diff -up linux-2.6.34.noarch/fs/nfs/client.c.orig linux-2.6.34.noarch/fs/nfs/client.c
--- linux-2.6.34.noarch/fs/nfs/client.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/client.c 2010-08-23 11:01:00.352376393 -0400
@@ -934,7 +934,6 @@ static int nfs_probe_fsinfo(struct nfs_s
}
fsinfo.fattr = fattr;
- nfs_fattr_init(fattr);
error = clp->rpc_ops->fsinfo(server, mntfh, &fsinfo);
if (error < 0)
goto out_error;
@@ -1047,13 +1046,18 @@ struct nfs_server *nfs_create_server(con
struct nfs_fh *mntfh)
{
struct nfs_server *server;
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
int error;
server = nfs_alloc_server();
if (!server)
return ERR_PTR(-ENOMEM);
+ error = -ENOMEM;
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto error;
+
/* Get a client representation */
error = nfs_init_server(server, data);
if (error < 0)
@@ -1064,7 +1068,7 @@ struct nfs_server *nfs_create_server(con
BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
/* Probe the root fh to retrieve its FSID */
- error = nfs_probe_fsinfo(server, mntfh, &fattr);
+ error = nfs_probe_fsinfo(server, mntfh, fattr);
if (error < 0)
goto error;
if (server->nfs_client->rpc_ops->version == 3) {
@@ -1077,14 +1081,14 @@ struct nfs_server *nfs_create_server(con
server->namelen = NFS2_MAXNAMLEN;
}
- if (!(fattr.valid & NFS_ATTR_FATTR)) {
- error = server->nfs_client->rpc_ops->getattr(server, mntfh, &fattr);
+ if (!(fattr->valid & NFS_ATTR_FATTR)) {
+ error = server->nfs_client->rpc_ops->getattr(server, mntfh, fattr);
if (error < 0) {
dprintk("nfs_create_server: getattr error = %d\n", -error);
goto error;
}
}
- memcpy(&server->fsid, &fattr.fsid, sizeof(server->fsid));
+ memcpy(&server->fsid, &fattr->fsid, sizeof(server->fsid));
dprintk("Server FSID: %llx:%llx\n",
(unsigned long long) server->fsid.major,
@@ -1096,9 +1100,11 @@ struct nfs_server *nfs_create_server(con
spin_unlock(&nfs_client_lock);
server->mount_time = jiffies;
+ nfs_free_fattr(fattr);
return server;
error:
+ nfs_free_fattr(fattr);
nfs_free_server(server);
return ERR_PTR(error);
}
@@ -1340,7 +1346,7 @@ error:
struct nfs_server *nfs4_create_server(const struct nfs_parsed_mount_data *data,
struct nfs_fh *mntfh)
{
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
struct nfs_server *server;
int error;
@@ -1350,6 +1356,11 @@ struct nfs_server *nfs4_create_server(co
if (!server)
return ERR_PTR(-ENOMEM);
+ error = -ENOMEM;
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto error;
+
/* set up the general RPC client */
error = nfs4_init_server(server, data);
if (error < 0)
@@ -1364,7 +1375,7 @@ struct nfs_server *nfs4_create_server(co
goto error;
/* Probe the root fh to retrieve its FSID */
- error = nfs4_path_walk(server, mntfh, data->nfs_server.export_path);
+ error = nfs4_get_rootfh(server, mntfh);
if (error < 0)
goto error;
@@ -1375,7 +1386,7 @@ struct nfs_server *nfs4_create_server(co
nfs4_session_set_rwsize(server);
- error = nfs_probe_fsinfo(server, mntfh, &fattr);
+ error = nfs_probe_fsinfo(server, mntfh, fattr);
if (error < 0)
goto error;
@@ -1389,9 +1400,11 @@ struct nfs_server *nfs4_create_server(co
server->mount_time = jiffies;
dprintk("<-- nfs4_create_server() = %p\n", server);
+ nfs_free_fattr(fattr);
return server;
error:
+ nfs_free_fattr(fattr);
nfs_free_server(server);
dprintk("<-- nfs4_create_server() = error %d\n", error);
return ERR_PTR(error);
@@ -1405,7 +1418,7 @@ struct nfs_server *nfs4_create_referral_
{
struct nfs_client *parent_client;
struct nfs_server *server, *parent_server;
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
int error;
dprintk("--> nfs4_create_referral_server()\n");
@@ -1414,6 +1427,11 @@ struct nfs_server *nfs4_create_referral_
if (!server)
return ERR_PTR(-ENOMEM);
+ error = -ENOMEM;
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto error;
+
parent_server = NFS_SB(data->sb);
parent_client = parent_server->nfs_client;
@@ -1443,12 +1461,12 @@ struct nfs_server *nfs4_create_referral_
BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
/* Probe the root fh to retrieve its FSID and filehandle */
- error = nfs4_path_walk(server, mntfh, data->mnt_path);
+ error = nfs4_get_rootfh(server, mntfh);
if (error < 0)
goto error;
/* probe the filesystem info for this server filesystem */
- error = nfs_probe_fsinfo(server, mntfh, &fattr);
+ error = nfs_probe_fsinfo(server, mntfh, fattr);
if (error < 0)
goto error;
@@ -1466,10 +1484,12 @@ struct nfs_server *nfs4_create_referral_
server->mount_time = jiffies;
+ nfs_free_fattr(fattr);
dprintk("<-- nfs_create_referral_server() = %p\n", server);
return server;
error:
+ nfs_free_fattr(fattr);
nfs_free_server(server);
dprintk("<-- nfs4_create_referral_server() = error %d\n", error);
return ERR_PTR(error);
@@ -1485,7 +1505,7 @@ struct nfs_server *nfs_clone_server(stru
struct nfs_fattr *fattr)
{
struct nfs_server *server;
- struct nfs_fattr fattr_fsinfo;
+ struct nfs_fattr *fattr_fsinfo;
int error;
dprintk("--> nfs_clone_server(,%llx:%llx,)\n",
@@ -1496,6 +1516,11 @@ struct nfs_server *nfs_clone_server(stru
if (!server)
return ERR_PTR(-ENOMEM);
+ error = -ENOMEM;
+ fattr_fsinfo = nfs_alloc_fattr();
+ if (fattr_fsinfo == NULL)
+ goto out_free_server;
+
/* Copy data from the source */
server->nfs_client = source->nfs_client;
atomic_inc(&server->nfs_client->cl_count);
@@ -1512,7 +1537,7 @@ struct nfs_server *nfs_clone_server(stru
nfs_init_server_aclclient(server);
/* probe the filesystem info for this server filesystem */
- error = nfs_probe_fsinfo(server, fh, &fattr_fsinfo);
+ error = nfs_probe_fsinfo(server, fh, fattr_fsinfo);
if (error < 0)
goto out_free_server;
@@ -1534,10 +1559,12 @@ struct nfs_server *nfs_clone_server(stru
server->mount_time = jiffies;
+ nfs_free_fattr(fattr_fsinfo);
dprintk("<-- nfs_clone_server() = %p\n", server);
return server;
out_free_server:
+ nfs_free_fattr(fattr_fsinfo);
nfs_free_server(server);
dprintk("<-- nfs_clone_server() = error %d\n", error);
return ERR_PTR(error);
diff -up linux-2.6.34.noarch/fs/nfs/delegation.c.orig linux-2.6.34.noarch/fs/nfs/delegation.c
--- linux-2.6.34.noarch/fs/nfs/delegation.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/delegation.c 2010-08-23 11:01:00.352376393 -0400
@@ -213,7 +213,7 @@ int nfs_inode_set_delegation(struct inod
struct nfs_delegation *freeme = NULL;
int status = 0;
- delegation = kmalloc(sizeof(*delegation), GFP_KERNEL);
+ delegation = kmalloc(sizeof(*delegation), GFP_NOFS);
if (delegation == NULL)
return -ENOMEM;
memcpy(delegation->stateid.data, res->delegation.data,
diff -up linux-2.6.34.noarch/fs/nfs/dir.c.orig linux-2.6.34.noarch/fs/nfs/dir.c
--- linux-2.6.34.noarch/fs/nfs/dir.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/dir.c 2010-08-23 11:01:00.353376419 -0400
@@ -530,9 +530,7 @@ static int nfs_readdir(struct file *filp
nfs_readdir_descriptor_t my_desc,
*desc = &my_desc;
struct nfs_entry my_entry;
- struct nfs_fh fh;
- struct nfs_fattr fattr;
- long res;
+ int res = -ENOMEM;
dfprintk(FILE, "NFS: readdir(%s/%s) starting at cookie %llu\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
@@ -554,9 +552,11 @@ static int nfs_readdir(struct file *filp
my_entry.cookie = my_entry.prev_cookie = 0;
my_entry.eof = 0;
- my_entry.fh = &fh;
- my_entry.fattr = &fattr;
- nfs_fattr_init(&fattr);
+ my_entry.fh = nfs_alloc_fhandle();
+ my_entry.fattr = nfs_alloc_fattr();
+ if (my_entry.fh == NULL || my_entry.fattr == NULL)
+ goto out_alloc_failed;
+
desc->entry = &my_entry;
nfs_block_sillyrename(dentry);
@@ -598,7 +598,10 @@ out:
nfs_unblock_sillyrename(dentry);
if (res > 0)
res = 0;
- dfprintk(FILE, "NFS: readdir(%s/%s) returns %ld\n",
+out_alloc_failed:
+ nfs_free_fattr(my_entry.fattr);
+ nfs_free_fhandle(my_entry.fh);
+ dfprintk(FILE, "NFS: readdir(%s/%s) returns %d\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
res);
return res;
@@ -776,9 +779,9 @@ static int nfs_lookup_revalidate(struct
struct inode *dir;
struct inode *inode;
struct dentry *parent;
+ struct nfs_fh *fhandle = NULL;
+ struct nfs_fattr *fattr = NULL;
int error;
- struct nfs_fh fhandle;
- struct nfs_fattr fattr;
parent = dget_parent(dentry);
dir = parent->d_inode;
@@ -811,14 +814,22 @@ static int nfs_lookup_revalidate(struct
if (NFS_STALE(inode))
goto out_bad;
- error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, &fhandle, &fattr);
+ error = -ENOMEM;
+ fhandle = nfs_alloc_fhandle();
+ fattr = nfs_alloc_fattr();
+ if (fhandle == NULL || fattr == NULL)
+ goto out_error;
+
+ error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, fhandle, fattr);
if (error)
goto out_bad;
- if (nfs_compare_fh(NFS_FH(inode), &fhandle))
+ if (nfs_compare_fh(NFS_FH(inode), fhandle))
goto out_bad;
- if ((error = nfs_refresh_inode(inode, &fattr)) != 0)
+ if ((error = nfs_refresh_inode(inode, fattr)) != 0)
goto out_bad;
+ nfs_free_fattr(fattr);
+ nfs_free_fhandle(fhandle);
out_set_verifier:
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
out_valid:
@@ -842,11 +853,21 @@ out_zap_parent:
shrink_dcache_parent(dentry);
}
d_drop(dentry);
+ nfs_free_fattr(fattr);
+ nfs_free_fhandle(fhandle);
dput(parent);
dfprintk(LOOKUPCACHE, "NFS: %s(%s/%s) is invalid\n",
__func__, dentry->d_parent->d_name.name,
dentry->d_name.name);
return 0;
+out_error:
+ nfs_free_fattr(fattr);
+ nfs_free_fhandle(fhandle);
+ dput(parent);
+ dfprintk(LOOKUPCACHE, "NFS: %s(%s/%s) lookup returned error %d\n",
+ __func__, dentry->d_parent->d_name.name,
+ dentry->d_name.name, error);
+ return error;
}
/*
@@ -911,9 +932,9 @@ static struct dentry *nfs_lookup(struct
struct dentry *res;
struct dentry *parent;
struct inode *inode = NULL;
+ struct nfs_fh *fhandle = NULL;
+ struct nfs_fattr *fattr = NULL;
int error;
- struct nfs_fh fhandle;
- struct nfs_fattr fattr;
dfprintk(VFS, "NFS: lookup(%s/%s)\n",
dentry->d_parent->d_name.name, dentry->d_name.name);
@@ -923,7 +944,6 @@ static struct dentry *nfs_lookup(struct
if (dentry->d_name.len > NFS_SERVER(dir)->namelen)
goto out;
- res = ERR_PTR(-ENOMEM);
dentry->d_op = NFS_PROTO(dir)->dentry_ops;
/*
@@ -936,17 +956,23 @@ static struct dentry *nfs_lookup(struct
goto out;
}
+ res = ERR_PTR(-ENOMEM);
+ fhandle = nfs_alloc_fhandle();
+ fattr = nfs_alloc_fattr();
+ if (fhandle == NULL || fattr == NULL)
+ goto out;
+
parent = dentry->d_parent;
/* Protect against concurrent sillydeletes */
nfs_block_sillyrename(parent);
- error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, &fhandle, &fattr);
+ error = NFS_PROTO(dir)->lookup(dir, &dentry->d_name, fhandle, fattr);
if (error == -ENOENT)
goto no_entry;
if (error < 0) {
res = ERR_PTR(error);
goto out_unblock_sillyrename;
}
- inode = nfs_fhget(dentry->d_sb, &fhandle, &fattr);
+ inode = nfs_fhget(dentry->d_sb, fhandle, fattr);
res = (struct dentry *)inode;
if (IS_ERR(res))
goto out_unblock_sillyrename;
@@ -962,6 +988,8 @@ no_entry:
out_unblock_sillyrename:
nfs_unblock_sillyrename(parent);
out:
+ nfs_free_fattr(fattr);
+ nfs_free_fhandle(fhandle);
return res;
}
@@ -1669,28 +1697,33 @@ static void nfs_access_free_entry(struct
smp_mb__after_atomic_dec();
}
+static void nfs_access_free_list(struct list_head *head)
+{
+ struct nfs_access_entry *cache;
+
+ while (!list_empty(head)) {
+ cache = list_entry(head->next, struct nfs_access_entry, lru);
+ list_del(&cache->lru);
+ nfs_access_free_entry(cache);
+ }
+}
+
int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask)
{
LIST_HEAD(head);
struct nfs_inode *nfsi;
struct nfs_access_entry *cache;
-restart:
+ if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL)
+ return (nr_to_scan == 0) ? 0 : -1;
+
spin_lock(&nfs_access_lru_lock);
list_for_each_entry(nfsi, &nfs_access_lru_list, access_cache_inode_lru) {
- struct rw_semaphore *s_umount;
struct inode *inode;
if (nr_to_scan-- == 0)
break;
- s_umount = &nfsi->vfs_inode.i_sb->s_umount;
- if (!down_read_trylock(s_umount))
- continue;
- inode = igrab(&nfsi->vfs_inode);
- if (inode == NULL) {
- up_read(s_umount);
- continue;
- }
+ inode = &nfsi->vfs_inode;
spin_lock(&inode->i_lock);
if (list_empty(&nfsi->access_cache_entry_lru))
goto remove_lru_entry;
@@ -1704,61 +1737,47 @@ restart:
else {
remove_lru_entry:
list_del_init(&nfsi->access_cache_inode_lru);
+ smp_mb__before_clear_bit();
clear_bit(NFS_INO_ACL_LRU_SET, &nfsi->flags);
+ smp_mb__after_clear_bit();
}
- spin_unlock(&inode->i_lock);
- spin_unlock(&nfs_access_lru_lock);
- iput(inode);
- up_read(s_umount);
- goto restart;
}
spin_unlock(&nfs_access_lru_lock);
- while (!list_empty(&head)) {
- cache = list_entry(head.next, struct nfs_access_entry, lru);
- list_del(&cache->lru);
- nfs_access_free_entry(cache);
- }
+ nfs_access_free_list(&head);
return (atomic_long_read(&nfs_access_nr_entries) / 100) * sysctl_vfs_cache_pressure;
}
-static void __nfs_access_zap_cache(struct inode *inode)
+static void __nfs_access_zap_cache(struct nfs_inode *nfsi, struct list_head *head)
{
- struct nfs_inode *nfsi = NFS_I(inode);
struct rb_root *root_node = &nfsi->access_cache;
- struct rb_node *n, *dispose = NULL;
+ struct rb_node *n;
struct nfs_access_entry *entry;
/* Unhook entries from the cache */
while ((n = rb_first(root_node)) != NULL) {
entry = rb_entry(n, struct nfs_access_entry, rb_node);
rb_erase(n, root_node);
- list_del(&entry->lru);
- n->rb_left = dispose;
- dispose = n;
+ list_move(&entry->lru, head);
}
nfsi->cache_validity &= ~NFS_INO_INVALID_ACCESS;
- spin_unlock(&inode->i_lock);
-
- /* Now kill them all! */
- while (dispose != NULL) {
- n = dispose;
- dispose = n->rb_left;
- nfs_access_free_entry(rb_entry(n, struct nfs_access_entry, rb_node));
- }
}
void nfs_access_zap_cache(struct inode *inode)
{
+ LIST_HEAD(head);
+
+ if (test_bit(NFS_INO_ACL_LRU_SET, &NFS_I(inode)->flags) == 0)
+ return;
/* Remove from global LRU init */
- if (test_and_clear_bit(NFS_INO_ACL_LRU_SET, &NFS_I(inode)->flags)) {
- spin_lock(&nfs_access_lru_lock);
+ spin_lock(&nfs_access_lru_lock);
+ if (test_and_clear_bit(NFS_INO_ACL_LRU_SET, &NFS_I(inode)->flags))
list_del_init(&NFS_I(inode)->access_cache_inode_lru);
- spin_unlock(&nfs_access_lru_lock);
- }
spin_lock(&inode->i_lock);
- /* This will release the spinlock */
- __nfs_access_zap_cache(inode);
+ __nfs_access_zap_cache(NFS_I(inode), &head);
+ spin_unlock(&inode->i_lock);
+ spin_unlock(&nfs_access_lru_lock);
+ nfs_access_free_list(&head);
}
static struct nfs_access_entry *nfs_access_search_rbtree(struct inode *inode, struct rpc_cred *cred)
@@ -1809,8 +1828,8 @@ out_stale:
nfs_access_free_entry(cache);
return -ENOENT;
out_zap:
- /* This will release the spinlock */
- __nfs_access_zap_cache(inode);
+ spin_unlock(&inode->i_lock);
+ nfs_access_zap_cache(inode);
return -ENOENT;
}
@@ -1865,9 +1884,11 @@ static void nfs_access_add_cache(struct
smp_mb__after_atomic_inc();
/* Add inode to global LRU list */
- if (!test_and_set_bit(NFS_INO_ACL_LRU_SET, &NFS_I(inode)->flags)) {
+ if (!test_bit(NFS_INO_ACL_LRU_SET, &NFS_I(inode)->flags)) {
spin_lock(&nfs_access_lru_lock);
- list_add_tail(&NFS_I(inode)->access_cache_inode_lru, &nfs_access_lru_list);
+ if (!test_and_set_bit(NFS_INO_ACL_LRU_SET, &NFS_I(inode)->flags))
+ list_add_tail(&NFS_I(inode)->access_cache_inode_lru,
+ &nfs_access_lru_list);
spin_unlock(&nfs_access_lru_lock);
}
}
diff -up linux-2.6.34.noarch/fs/nfs/file.c.orig linux-2.6.34.noarch/fs/nfs/file.c
--- linux-2.6.34.noarch/fs/nfs/file.c.orig 2010-08-23 11:00:23.790502081 -0400
+++ linux-2.6.34.noarch/fs/nfs/file.c 2010-08-23 11:01:00.354376416 -0400
@@ -162,14 +162,17 @@ static int nfs_revalidate_file_size(stru
struct nfs_server *server = NFS_SERVER(inode);
struct nfs_inode *nfsi = NFS_I(inode);
- if (server->flags & NFS_MOUNT_NOAC)
- goto force_reval;
+ if (nfs_have_delegated_attributes(inode))
+ goto out_noreval;
+
if (filp->f_flags & O_DIRECT)
goto force_reval;
- if (nfsi->npages != 0)
- return 0;
- if (!(nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE) && !nfs_attribute_timeout(inode))
- return 0;
+ if (nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE)
+ goto force_reval;
+ if (nfs_attribute_timeout(inode))
+ goto force_reval;
+out_noreval:
+ return 0;
force_reval:
return __nfs_revalidate_inode(server, inode);
}
diff -up linux-2.6.34.noarch/fs/nfs/fscache.c.orig linux-2.6.34.noarch/fs/nfs/fscache.c
--- linux-2.6.34.noarch/fs/nfs/fscache.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/fscache.c 2010-08-23 11:01:00.355376416 -0400
@@ -467,7 +467,8 @@ int __nfs_readpages_from_fscache(struct
struct list_head *pages,
unsigned *nr_pages)
{
- int ret, npages = *nr_pages;
+ unsigned npages = *nr_pages;
+ int ret;
dfprintk(FSCACHE, "NFS: nfs_getpages_from_fscache (0x%p/%u/0x%p)\n",
NFS_I(inode)->fscache, npages, inode);
diff -up linux-2.6.34.noarch/fs/nfs/getroot.c.orig linux-2.6.34.noarch/fs/nfs/getroot.c
--- linux-2.6.34.noarch/fs/nfs/getroot.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/getroot.c 2010-08-23 11:01:00.356376417 -0400
@@ -78,159 +78,94 @@ struct dentry *nfs_get_root(struct super
{
struct nfs_server *server = NFS_SB(sb);
struct nfs_fsinfo fsinfo;
- struct nfs_fattr fattr;
- struct dentry *mntroot;
+ struct dentry *ret;
struct inode *inode;
int error;
/* get the actual root for this mount */
- fsinfo.fattr = &fattr;
+ fsinfo.fattr = nfs_alloc_fattr();
+ if (fsinfo.fattr == NULL)
+ return ERR_PTR(-ENOMEM);
error = server->nfs_client->rpc_ops->getroot(server, mntfh, &fsinfo);
if (error < 0) {
dprintk("nfs_get_root: getattr error = %d\n", -error);
- return ERR_PTR(error);
+ ret = ERR_PTR(error);
+ goto out;
}
inode = nfs_fhget(sb, mntfh, fsinfo.fattr);
if (IS_ERR(inode)) {
dprintk("nfs_get_root: get root inode failed\n");
- return ERR_CAST(inode);
+ ret = ERR_CAST(inode);
+ goto out;
}
error = nfs_superblock_set_dummy_root(sb, inode);
- if (error != 0)
- return ERR_PTR(error);
+ if (error != 0) {
+ ret = ERR_PTR(error);
+ goto out;
+ }
/* root dentries normally start off anonymous and get spliced in later
* if the dentry tree reaches them; however if the dentry already
* exists, we'll pick it up at this point and use it as the root
*/
- mntroot = d_obtain_alias(inode);
- if (IS_ERR(mntroot)) {
+ ret = d_obtain_alias(inode);
+ if (IS_ERR(ret)) {
dprintk("nfs_get_root: get root dentry failed\n");
- return mntroot;
+ goto out;
}
- security_d_instantiate(mntroot, inode);
-
- if (!mntroot->d_op)
- mntroot->d_op = server->nfs_client->rpc_ops->dentry_ops;
+ security_d_instantiate(ret, inode);
- return mntroot;
+ if (ret->d_op == NULL)
+ ret->d_op = server->nfs_client->rpc_ops->dentry_ops;
+out:
+ nfs_free_fattr(fsinfo.fattr);
+ return ret;
}
#ifdef CONFIG_NFS_V4
-/*
- * Do a simple pathwalk from the root FH of the server to the nominated target
- * of the mountpoint
- * - give error on symlinks
- * - give error on ".." occurring in the path
- * - follow traversals
- */
-int nfs4_path_walk(struct nfs_server *server,
- struct nfs_fh *mntfh,
- const char *path)
+int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh)
{
struct nfs_fsinfo fsinfo;
- struct nfs_fattr fattr;
- struct nfs_fh lastfh;
- struct qstr name;
- int ret;
-
- dprintk("--> nfs4_path_walk(,,%s)\n", path);
-
- fsinfo.fattr = &fattr;
- nfs_fattr_init(&fattr);
-
- /* Eat leading slashes */
- while (*path == '/')
- path++;
+ int ret = -ENOMEM;
+
+ dprintk("--> nfs4_get_rootfh()\n");
+
+ fsinfo.fattr = nfs_alloc_fattr();
+ if (fsinfo.fattr == NULL)
+ goto out;
/* Start by getting the root filehandle from the server */
ret = server->nfs_client->rpc_ops->getroot(server, mntfh, &fsinfo);
if (ret < 0) {
- dprintk("nfs4_get_root: getroot error = %d\n", -ret);
- return ret;
+ dprintk("nfs4_get_rootfh: getroot error = %d\n", -ret);
+ goto out;
}
- if (!S_ISDIR(fattr.mode)) {
- printk(KERN_ERR "nfs4_get_root:"
+ if (!(fsinfo.fattr->valid & NFS_ATTR_FATTR_MODE)
+ || !S_ISDIR(fsinfo.fattr->mode)) {
+ printk(KERN_ERR "nfs4_get_rootfh:"
" getroot encountered non-directory\n");
- return -ENOTDIR;
+ ret = -ENOTDIR;
+ goto out;
}
- /* FIXME: It is quite valid for the server to return a referral here */
- if (fattr.valid & NFS_ATTR_FATTR_V4_REFERRAL) {
- printk(KERN_ERR "nfs4_get_root:"
+ if (fsinfo.fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL) {
+ printk(KERN_ERR "nfs4_get_rootfh:"
" getroot obtained referral\n");
- return -EREMOTE;
+ ret = -EREMOTE;
+ goto out;
}
-next_component:
- dprintk("Next: %s\n", path);
-
- /* extract the next bit of the path */
- if (!*path)
- goto path_walk_complete;
-
- name.name = path;
- while (*path && *path != '/')
- path++;
- name.len = path - (const char *) name.name;
-
- if (name.len > NFS4_MAXNAMLEN)
- return -ENAMETOOLONG;
-
-eat_dot_dir:
- while (*path == '/')
- path++;
-
- if (path[0] == '.' && (path[1] == '/' || !path[1])) {
- path += 2;
- goto eat_dot_dir;
- }
-
- /* FIXME: Why shouldn't the user be able to use ".." in the path? */
- if (path[0] == '.' && path[1] == '.' && (path[2] == '/' || !path[2])
- ) {
- printk(KERN_ERR "nfs4_get_root:"
- " Mount path contains reference to \"..\"\n");
- return -EINVAL;
- }
-
- /* lookup the next FH in the sequence */
- memcpy(&lastfh, mntfh, sizeof(lastfh));
-
- dprintk("LookupFH: %*.*s [%s]\n", name.len, name.len, name.name, path);
-
- ret = server->nfs_client->rpc_ops->lookupfh(server, &lastfh, &name,
- mntfh, &fattr);
- if (ret < 0) {
- dprintk("nfs4_get_root: getroot error = %d\n", -ret);
- return ret;
- }
-
- if (!S_ISDIR(fattr.mode)) {
- printk(KERN_ERR "nfs4_get_root:"
- " lookupfh encountered non-directory\n");
- return -ENOTDIR;
- }
-
- /* FIXME: Referrals are quite valid here too */
- if (fattr.valid & NFS_ATTR_FATTR_V4_REFERRAL) {
- printk(KERN_ERR "nfs4_get_root:"
- " lookupfh obtained referral\n");
- return -EREMOTE;
- }
-
- goto next_component;
-
-path_walk_complete:
- memcpy(&server->fsid, &fattr.fsid, sizeof(server->fsid));
- dprintk("<-- nfs4_path_walk() = 0\n");
- return 0;
+ memcpy(&server->fsid, &fsinfo.fattr->fsid, sizeof(server->fsid));
+out:
+ nfs_free_fattr(fsinfo.fattr);
+ dprintk("<-- nfs4_get_rootfh() = %d\n", ret);
+ return ret;
}
/*
@@ -239,8 +174,8 @@ path_walk_complete:
struct dentry *nfs4_get_root(struct super_block *sb, struct nfs_fh *mntfh)
{
struct nfs_server *server = NFS_SB(sb);
- struct nfs_fattr fattr;
- struct dentry *mntroot;
+ struct nfs_fattr *fattr = NULL;
+ struct dentry *ret;
struct inode *inode;
int error;
@@ -254,40 +189,50 @@ struct dentry *nfs4_get_root(struct supe
return ERR_PTR(error);
}
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ return ERR_PTR(-ENOMEM);;
+
/* get the actual root for this mount */
- error = server->nfs_client->rpc_ops->getattr(server, mntfh, &fattr);
+ error = server->nfs_client->rpc_ops->getattr(server, mntfh, fattr);
if (error < 0) {
dprintk("nfs_get_root: getattr error = %d\n", -error);
- return ERR_PTR(error);
+ ret = ERR_PTR(error);
+ goto out;
}
- inode = nfs_fhget(sb, mntfh, &fattr);
+ inode = nfs_fhget(sb, mntfh, fattr);
if (IS_ERR(inode)) {
dprintk("nfs_get_root: get root inode failed\n");
- return ERR_CAST(inode);
+ ret = ERR_CAST(inode);
+ goto out;
}
error = nfs_superblock_set_dummy_root(sb, inode);
- if (error != 0)
- return ERR_PTR(error);
+ if (error != 0) {
+ ret = ERR_PTR(error);
+ goto out;
+ }
/* root dentries normally start off anonymous and get spliced in later
* if the dentry tree reaches them; however if the dentry already
* exists, we'll pick it up at this point and use it as the root
*/
- mntroot = d_obtain_alias(inode);
- if (IS_ERR(mntroot)) {
+ ret = d_obtain_alias(inode);
+ if (IS_ERR(ret)) {
dprintk("nfs_get_root: get root dentry failed\n");
- return mntroot;
+ goto out;
}
- security_d_instantiate(mntroot, inode);
+ security_d_instantiate(ret, inode);
- if (!mntroot->d_op)
- mntroot->d_op = server->nfs_client->rpc_ops->dentry_ops;
+ if (ret->d_op == NULL)
+ ret->d_op = server->nfs_client->rpc_ops->dentry_ops;
+out:
+ nfs_free_fattr(fattr);
dprintk("<-- nfs4_get_root()\n");
- return mntroot;
+ return ret;
}
#endif /* CONFIG_NFS_V4 */
diff -up linux-2.6.34.noarch/fs/nfs/inode.c.orig linux-2.6.34.noarch/fs/nfs/inode.c
--- linux-2.6.34.noarch/fs/nfs/inode.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/inode.c 2010-08-23 11:01:00.357376378 -0400
@@ -393,8 +393,8 @@ int
nfs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = dentry->d_inode;
- struct nfs_fattr fattr;
- int error;
+ struct nfs_fattr *fattr;
+ int error = -ENOMEM;
nfs_inc_stats(inode, NFSIOS_VFSSETATTR);
@@ -417,14 +417,20 @@ nfs_setattr(struct dentry *dentry, struc
filemap_write_and_wait(inode->i_mapping);
nfs_wb_all(inode);
}
+
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
/*
* Return any delegations if we're going to change ACLs
*/
if ((attr->ia_valid & (ATTR_MODE|ATTR_UID|ATTR_GID)) != 0)
nfs_inode_return_delegation(inode);
- error = NFS_PROTO(inode)->setattr(dentry, &fattr, attr);
+ error = NFS_PROTO(inode)->setattr(dentry, fattr, attr);
if (error == 0)
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, fattr);
+ nfs_free_fattr(fattr);
+out:
return error;
}
@@ -682,7 +688,7 @@ int
__nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
{
int status = -ESTALE;
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr = NULL;
struct nfs_inode *nfsi = NFS_I(inode);
dfprintk(PAGECACHE, "NFS: revalidating (%s/%Ld)\n",
@@ -693,8 +699,13 @@ __nfs_revalidate_inode(struct nfs_server
if (NFS_STALE(inode))
goto out;
+ status = -ENOMEM;
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
+
nfs_inc_stats(inode, NFSIOS_INODEREVALIDATE);
- status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), &fattr);
+ status = NFS_PROTO(inode)->getattr(server, NFS_FH(inode), fattr);
if (status != 0) {
dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) getattr failed, error=%d\n",
inode->i_sb->s_id,
@@ -707,7 +718,7 @@ __nfs_revalidate_inode(struct nfs_server
goto out;
}
- status = nfs_refresh_inode(inode, &fattr);
+ status = nfs_refresh_inode(inode, fattr);
if (status) {
dfprintk(PAGECACHE, "nfs_revalidate_inode: (%s/%Ld) refresh failed, error=%d\n",
inode->i_sb->s_id,
@@ -723,6 +734,7 @@ __nfs_revalidate_inode(struct nfs_server
(long long)NFS_FILEID(inode));
out:
+ nfs_free_fattr(fattr);
return status;
}
@@ -730,9 +742,14 @@ int nfs_attribute_timeout(struct inode *
{
struct nfs_inode *nfsi = NFS_I(inode);
+ return !time_in_range_open(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo);
+}
+
+static int nfs_attribute_cache_expired(struct inode *inode)
+{
if (nfs_have_delegated_attributes(inode))
return 0;
- return !time_in_range_open(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo);
+ return nfs_attribute_timeout(inode);
}
/**
@@ -745,7 +762,7 @@ int nfs_attribute_timeout(struct inode *
int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
{
if (!(NFS_I(inode)->cache_validity & NFS_INO_INVALID_ATTR)
- && !nfs_attribute_timeout(inode))
+ && !nfs_attribute_cache_expired(inode))
return NFS_STALE(inode) ? -ESTALE : 0;
return __nfs_revalidate_inode(server, inode);
}
@@ -782,7 +799,8 @@ int nfs_revalidate_mapping(struct inode
int ret = 0;
if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE)
- || nfs_attribute_timeout(inode) || NFS_STALE(inode)) {
+ || nfs_attribute_cache_expired(inode)
+ || NFS_STALE(inode)) {
ret = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
if (ret < 0)
goto out;
@@ -916,6 +934,26 @@ void nfs_fattr_init(struct nfs_fattr *fa
fattr->gencount = nfs_inc_attr_generation_counter();
}
+struct nfs_fattr *nfs_alloc_fattr(void)
+{
+ struct nfs_fattr *fattr;
+
+ fattr = kmalloc(sizeof(*fattr), GFP_NOFS);
+ if (fattr != NULL)
+ nfs_fattr_init(fattr);
+ return fattr;
+}
+
+struct nfs_fh *nfs_alloc_fhandle(void)
+{
+ struct nfs_fh *fh;
+
+ fh = kmalloc(sizeof(struct nfs_fh), GFP_NOFS);
+ if (fh != NULL)
+ fh->size = 0;
+ return fh;
+}
+
/**
* nfs_inode_attrs_need_update - check if the inode attributes need updating
* @inode - pointer to inode
diff -up linux-2.6.34.noarch/fs/nfs/internal.h.orig linux-2.6.34.noarch/fs/nfs/internal.h
--- linux-2.6.34.noarch/fs/nfs/internal.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/internal.h 2010-08-23 11:01:00.358564151 -0400
@@ -244,9 +244,7 @@ extern struct dentry *nfs_get_root(struc
#ifdef CONFIG_NFS_V4
extern struct dentry *nfs4_get_root(struct super_block *, struct nfs_fh *);
-extern int nfs4_path_walk(struct nfs_server *server,
- struct nfs_fh *mntfh,
- const char *path);
+extern int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh);
#endif
/* read.c */
diff -up linux-2.6.34.noarch/fs/nfs/iostat.h.orig linux-2.6.34.noarch/fs/nfs/iostat.h
--- linux-2.6.34.noarch/fs/nfs/iostat.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/iostat.h 2010-08-23 11:01:00.358564151 -0400
@@ -36,14 +36,14 @@ static inline void nfs_inc_stats(const s
static inline void nfs_add_server_stats(const struct nfs_server *server,
enum nfs_stat_bytecounters stat,
- unsigned long addend)
+ long addend)
{
this_cpu_add(server->io_stats->bytes[stat], addend);
}
static inline void nfs_add_stats(const struct inode *inode,
enum nfs_stat_bytecounters stat,
- unsigned long addend)
+ long addend)
{
nfs_add_server_stats(NFS_SERVER(inode), stat, addend);
}
@@ -51,7 +51,7 @@ static inline void nfs_add_stats(const s
#ifdef CONFIG_NFS_FSCACHE
static inline void nfs_add_fscache_stats(struct inode *inode,
enum nfs_stat_fscachecounters stat,
- unsigned long addend)
+ long addend)
{
this_cpu_add(NFS_SERVER(inode)->io_stats->fscache[stat], addend);
}
diff -up linux-2.6.34.noarch/fs/nfs/namespace.c.orig linux-2.6.34.noarch/fs/nfs/namespace.c
--- linux-2.6.34.noarch/fs/nfs/namespace.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/namespace.c 2010-08-23 11:01:00.359420147 -0400
@@ -105,8 +105,8 @@ static void * nfs_follow_mountpoint(stru
struct vfsmount *mnt;
struct nfs_server *server = NFS_SERVER(dentry->d_inode);
struct dentry *parent;
- struct nfs_fh fh;
- struct nfs_fattr fattr;
+ struct nfs_fh *fh = NULL;
+ struct nfs_fattr *fattr = NULL;
int err;
dprintk("--> nfs_follow_mountpoint()\n");
@@ -115,6 +115,12 @@ static void * nfs_follow_mountpoint(stru
if (IS_ROOT(dentry))
goto out_err;
+ err = -ENOMEM;
+ fh = nfs_alloc_fhandle();
+ fattr = nfs_alloc_fattr();
+ if (fh == NULL || fattr == NULL)
+ goto out_err;
+
dprintk("%s: enter\n", __func__);
dput(nd->path.dentry);
nd->path.dentry = dget(dentry);
@@ -123,16 +129,16 @@ static void * nfs_follow_mountpoint(stru
parent = dget_parent(nd->path.dentry);
err = server->nfs_client->rpc_ops->lookup(parent->d_inode,
&nd->path.dentry->d_name,
- &fh, &fattr);
+ fh, fattr);
dput(parent);
if (err != 0)
goto out_err;
- if (fattr.valid & NFS_ATTR_FATTR_V4_REFERRAL)
+ if (fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL)
mnt = nfs_do_refmount(nd->path.mnt, nd->path.dentry);
else
- mnt = nfs_do_submount(nd->path.mnt, nd->path.dentry, &fh,
- &fattr);
+ mnt = nfs_do_submount(nd->path.mnt, nd->path.dentry, fh,
+ fattr);
err = PTR_ERR(mnt);
if (IS_ERR(mnt))
goto out_err;
@@ -151,6 +157,8 @@ static void * nfs_follow_mountpoint(stru
nd->path.dentry = dget(mnt->mnt_root);
schedule_delayed_work(&nfs_automount_task, nfs_mountpoint_expiry_timeout);
out:
+ nfs_free_fattr(fattr);
+ nfs_free_fhandle(fh);
dprintk("%s: done, returned %d\n", __func__, err);
dprintk("<-- nfs_follow_mountpoint() = %d\n", err);
diff -up linux-2.6.34.noarch/fs/nfs/nfs3acl.c.orig linux-2.6.34.noarch/fs/nfs/nfs3acl.c
--- linux-2.6.34.noarch/fs/nfs/nfs3acl.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs3acl.c 2010-08-23 11:01:00.359420147 -0400
@@ -185,7 +185,6 @@ static void nfs3_cache_acls(struct inode
struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type)
{
struct nfs_server *server = NFS_SERVER(inode);
- struct nfs_fattr fattr;
struct page *pages[NFSACL_MAXPAGES] = { };
struct nfs3_getaclargs args = {
.fh = NFS_FH(inode),
@@ -193,7 +192,7 @@ struct posix_acl *nfs3_proc_getacl(struc
.pages = pages,
};
struct nfs3_getaclres res = {
- .fattr = &fattr,
+ 0
};
struct rpc_message msg = {
.rpc_argp = &args,
@@ -228,7 +227,10 @@ struct posix_acl *nfs3_proc_getacl(struc
dprintk("NFS call getacl\n");
msg.rpc_proc = &server->client_acl->cl_procinfo[ACLPROC3_GETACL];
- nfs_fattr_init(&fattr);
+ res.fattr = nfs_alloc_fattr();
+ if (res.fattr == NULL)
+ return ERR_PTR(-ENOMEM);
+
status = rpc_call_sync(server->client_acl, &msg, 0);
dprintk("NFS reply getacl: %d\n", status);
@@ -238,7 +240,7 @@ struct posix_acl *nfs3_proc_getacl(struc
switch (status) {
case 0:
- status = nfs_refresh_inode(inode, &fattr);
+ status = nfs_refresh_inode(inode, res.fattr);
break;
case -EPFNOSUPPORT:
case -EPROTONOSUPPORT:
@@ -278,6 +280,7 @@ struct posix_acl *nfs3_proc_getacl(struc
getout:
posix_acl_release(res.acl_access);
posix_acl_release(res.acl_default);
+ nfs_free_fattr(res.fattr);
if (status != 0) {
posix_acl_release(acl);
@@ -290,7 +293,7 @@ static int nfs3_proc_setacls(struct inod
struct posix_acl *dfacl)
{
struct nfs_server *server = NFS_SERVER(inode);
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
struct page *pages[NFSACL_MAXPAGES];
struct nfs3_setaclargs args = {
.inode = inode,
@@ -335,8 +338,13 @@ static int nfs3_proc_setacls(struct inod
}
dprintk("NFS call setacl\n");
+ status = -ENOMEM;
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out_freepages;
+
msg.rpc_proc = &server->client_acl->cl_procinfo[ACLPROC3_SETACL];
- nfs_fattr_init(&fattr);
+ msg.rpc_resp = fattr;
status = rpc_call_sync(server->client_acl, &msg, 0);
nfs_access_zap_cache(inode);
nfs_zap_acl_cache(inode);
@@ -344,7 +352,7 @@ static int nfs3_proc_setacls(struct inod
switch (status) {
case 0:
- status = nfs_refresh_inode(inode, &fattr);
+ status = nfs_refresh_inode(inode, fattr);
nfs3_cache_acls(inode, acl, dfacl);
break;
case -EPFNOSUPPORT:
@@ -355,6 +363,7 @@ static int nfs3_proc_setacls(struct inod
case -ENOTSUPP:
status = -EOPNOTSUPP;
}
+ nfs_free_fattr(fattr);
out_freepages:
while (args.npages != 0) {
args.npages--;
diff -up linux-2.6.34.noarch/fs/nfs/nfs3proc.c.orig linux-2.6.34.noarch/fs/nfs/nfs3proc.c
--- linux-2.6.34.noarch/fs/nfs/nfs3proc.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs3proc.c 2010-08-23 11:01:00.360574301 -0400
@@ -144,14 +144,12 @@ static int
nfs3_proc_lookup(struct inode *dir, struct qstr *name,
struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
- struct nfs_fattr dir_attr;
struct nfs3_diropargs arg = {
.fh = NFS_FH(dir),
.name = name->name,
.len = name->len
};
struct nfs3_diropres res = {
- .dir_attr = &dir_attr,
.fh = fhandle,
.fattr = fattr
};
@@ -163,29 +161,30 @@ nfs3_proc_lookup(struct inode *dir, stru
int status;
dprintk("NFS call lookup %s\n", name->name);
- nfs_fattr_init(&dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ return -ENOMEM;
+
nfs_fattr_init(fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_refresh_inode(dir, &dir_attr);
+ nfs_refresh_inode(dir, res.dir_attr);
if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
msg.rpc_argp = fhandle;
msg.rpc_resp = fattr;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
}
+ nfs_free_fattr(res.dir_attr);
dprintk("NFS reply lookup: %d\n", status);
return status;
}
static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
{
- struct nfs_fattr fattr;
struct nfs3_accessargs arg = {
.fh = NFS_FH(inode),
};
- struct nfs3_accessres res = {
- .fattr = &fattr,
- };
+ struct nfs3_accessres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
.rpc_argp = &arg,
@@ -193,7 +192,7 @@ static int nfs3_proc_access(struct inode
.rpc_cred = entry->cred,
};
int mode = entry->mask;
- int status;
+ int status = -ENOMEM;
dprintk("NFS call access\n");
@@ -210,9 +209,13 @@ static int nfs3_proc_access(struct inode
if (mode & MAY_EXEC)
arg.access |= NFS3_ACCESS_EXECUTE;
}
- nfs_fattr_init(&fattr);
+
+ res.fattr = nfs_alloc_fattr();
+ if (res.fattr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, res.fattr);
if (status == 0) {
entry->mask = 0;
if (res.access & NFS3_ACCESS_READ)
@@ -222,6 +225,8 @@ static int nfs3_proc_access(struct inode
if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
entry->mask |= MAY_EXEC;
}
+ nfs_free_fattr(res.fattr);
+out:
dprintk("NFS reply access: %d\n", status);
return status;
}
@@ -229,7 +234,7 @@ static int nfs3_proc_access(struct inode
static int nfs3_proc_readlink(struct inode *inode, struct page *page,
unsigned int pgbase, unsigned int pglen)
{
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
struct nfs3_readlinkargs args = {
.fh = NFS_FH(inode),
.pgbase = pgbase,
@@ -239,14 +244,19 @@ static int nfs3_proc_readlink(struct ino
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
.rpc_argp = &args,
- .rpc_resp = &fattr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call readlink\n");
- nfs_fattr_init(&fattr);
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
+ msg.rpc_resp = fattr;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, fattr);
+ nfs_free_fattr(fattr);
+out:
dprintk("NFS reply readlink: %d\n", status);
return status;
}
@@ -396,12 +406,17 @@ nfs3_proc_remove(struct inode *dir, stru
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call remove %s\n", name->name);
- nfs_fattr_init(&res.dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &res.dir_attr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
+ nfs_free_fattr(res.dir_attr);
+out:
dprintk("NFS reply remove: %d\n", status);
return status;
}
@@ -419,7 +434,7 @@ nfs3_proc_unlink_done(struct rpc_task *t
if (nfs3_async_handle_jukebox(task, dir))
return 0;
res = task->tk_msg.rpc_resp;
- nfs_post_op_update_inode(dir, &res->dir_attr);
+ nfs_post_op_update_inode(dir, res->dir_attr);
return 1;
}
@@ -427,7 +442,6 @@ static int
nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
struct inode *new_dir, struct qstr *new_name)
{
- struct nfs_fattr old_dir_attr, new_dir_attr;
struct nfs3_renameargs arg = {
.fromfh = NFS_FH(old_dir),
.fromname = old_name->name,
@@ -436,23 +450,27 @@ nfs3_proc_rename(struct inode *old_dir,
.toname = new_name->name,
.tolen = new_name->len
};
- struct nfs3_renameres res = {
- .fromattr = &old_dir_attr,
- .toattr = &new_dir_attr
- };
+ struct nfs3_renameres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
- nfs_fattr_init(&old_dir_attr);
- nfs_fattr_init(&new_dir_attr);
+
+ res.fromattr = nfs_alloc_fattr();
+ res.toattr = nfs_alloc_fattr();
+ if (res.fromattr == NULL || res.toattr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
- nfs_post_op_update_inode(old_dir, &old_dir_attr);
- nfs_post_op_update_inode(new_dir, &new_dir_attr);
+ nfs_post_op_update_inode(old_dir, res.fromattr);
+ nfs_post_op_update_inode(new_dir, res.toattr);
+out:
+ nfs_free_fattr(res.toattr);
+ nfs_free_fattr(res.fromattr);
dprintk("NFS reply rename: %d\n", status);
return status;
}
@@ -460,30 +478,32 @@ nfs3_proc_rename(struct inode *old_dir,
static int
nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
{
- struct nfs_fattr dir_attr, fattr;
struct nfs3_linkargs arg = {
.fromfh = NFS_FH(inode),
.tofh = NFS_FH(dir),
.toname = name->name,
.tolen = name->len
};
- struct nfs3_linkres res = {
- .dir_attr = &dir_attr,
- .fattr = &fattr
- };
+ struct nfs3_linkres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call link %s\n", name->name);
- nfs_fattr_init(&dir_attr);
- nfs_fattr_init(&fattr);
+ res.fattr = nfs_alloc_fattr();
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.fattr == NULL || res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
- nfs_post_op_update_inode(inode, &fattr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
+ nfs_post_op_update_inode(inode, res.fattr);
+out:
+ nfs_free_fattr(res.dir_attr);
+ nfs_free_fattr(res.fattr);
dprintk("NFS reply link: %d\n", status);
return status;
}
@@ -554,7 +574,7 @@ out:
static int
nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
{
- struct nfs_fattr dir_attr;
+ struct nfs_fattr *dir_attr;
struct nfs3_diropargs arg = {
.fh = NFS_FH(dir),
.name = name->name,
@@ -563,14 +583,19 @@ nfs3_proc_rmdir(struct inode *dir, struc
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
.rpc_argp = &arg,
- .rpc_resp = &dir_attr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call rmdir %s\n", name->name);
- nfs_fattr_init(&dir_attr);
+ dir_attr = nfs_alloc_fattr();
+ if (dir_attr == NULL)
+ goto out;
+
+ msg.rpc_resp = dir_attr;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
+ nfs_post_op_update_inode(dir, dir_attr);
+ nfs_free_fattr(dir_attr);
+out:
dprintk("NFS reply rmdir: %d\n", status);
return status;
}
@@ -589,7 +614,6 @@ nfs3_proc_readdir(struct dentry *dentry,
u64 cookie, struct page *page, unsigned int count, int plus)
{
struct inode *dir = dentry->d_inode;
- struct nfs_fattr dir_attr;
__be32 *verf = NFS_COOKIEVERF(dir);
struct nfs3_readdirargs arg = {
.fh = NFS_FH(dir),
@@ -600,7 +624,6 @@ nfs3_proc_readdir(struct dentry *dentry,
.pages = &page
};
struct nfs3_readdirres res = {
- .dir_attr = &dir_attr,
.verf = verf,
.plus = plus
};
@@ -610,7 +633,7 @@ nfs3_proc_readdir(struct dentry *dentry,
.rpc_resp = &res,
.rpc_cred = cred
};
- int status;
+ int status = -ENOMEM;
if (plus)
msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
@@ -618,12 +641,17 @@ nfs3_proc_readdir(struct dentry *dentry,
dprintk("NFS call readdir%s %d\n",
plus? "plus" : "", (unsigned int) cookie);
- nfs_fattr_init(&dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_invalidate_atime(dir);
+ nfs_refresh_inode(dir, res.dir_attr);
- nfs_refresh_inode(dir, &dir_attr);
+ nfs_free_fattr(res.dir_attr);
+out:
dprintk("NFS reply readdir: %d\n", status);
return status;
}
diff -up linux-2.6.34.noarch/fs/nfs/nfs3xdr.c.orig linux-2.6.34.noarch/fs/nfs/nfs3xdr.c
--- linux-2.6.34.noarch/fs/nfs/nfs3xdr.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs3xdr.c 2010-08-23 11:01:00.361593802 -0400
@@ -762,7 +762,7 @@ nfs3_xdr_wccstat(struct rpc_rqst *req, _
static int
nfs3_xdr_removeres(struct rpc_rqst *req, __be32 *p, struct nfs_removeres *res)
{
- return nfs3_xdr_wccstat(req, p, &res->dir_attr);
+ return nfs3_xdr_wccstat(req, p, res->dir_attr);
}
/*
diff -up linux-2.6.34.noarch/fs/nfs/nfs4_fs.h.orig linux-2.6.34.noarch/fs/nfs/nfs4_fs.h
--- linux-2.6.34.noarch/fs/nfs/nfs4_fs.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs4_fs.h 2010-08-23 11:01:00.362574935 -0400
@@ -206,14 +206,14 @@ extern ssize_t nfs4_listxattr(struct den
/* nfs4proc.c */
-extern int nfs4_proc_setclientid(struct nfs_client *, u32, unsigned short, struct rpc_cred *);
-extern int nfs4_proc_setclientid_confirm(struct nfs_client *, struct rpc_cred *);
+extern int nfs4_proc_setclientid(struct nfs_client *, u32, unsigned short, struct rpc_cred *, struct nfs4_setclientid_res *);
+extern int nfs4_proc_setclientid_confirm(struct nfs_client *, struct nfs4_setclientid_res *arg, struct rpc_cred *);
extern int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred);
extern int nfs4_proc_async_renew(struct nfs_client *, struct rpc_cred *);
extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *);
extern int nfs4_init_clientid(struct nfs_client *, struct rpc_cred *);
extern int nfs41_init_clientid(struct nfs_client *, struct rpc_cred *);
-extern int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait);
+extern int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, int wait);
extern struct dentry *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *);
extern int nfs4_open_revalidate(struct inode *, struct dentry *, int, struct nameidata *);
extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle);
@@ -286,7 +286,7 @@ extern void nfs4_put_lock_state(struct n
extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl);
extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t);
-extern struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter);
+extern struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter, gfp_t gfp_mask);
extern int nfs_wait_on_sequence(struct nfs_seqid *seqid, struct rpc_task *task);
extern void nfs_increment_open_seqid(int status, struct nfs_seqid *seqid);
extern void nfs_increment_lock_seqid(int status, struct nfs_seqid *seqid);
diff -up linux-2.6.34.noarch/fs/nfs/nfs4namespace.c.orig linux-2.6.34.noarch/fs/nfs/nfs4namespace.c
--- linux-2.6.34.noarch/fs/nfs/nfs4namespace.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs4namespace.c 2010-08-23 11:01:00.363574219 -0400
@@ -115,6 +115,7 @@ static struct vfsmount *try_location(str
char *page, char *page2,
const struct nfs4_fs_location *location)
{
+ const size_t addr_bufsize = sizeof(struct sockaddr_storage);
struct vfsmount *mnt = ERR_PTR(-ENOENT);
char *mnt_path;
unsigned int maxbuflen;
@@ -126,9 +127,12 @@ static struct vfsmount *try_location(str
mountdata->mnt_path = mnt_path;
maxbuflen = mnt_path - 1 - page2;
+ mountdata->addr = kmalloc(addr_bufsize, GFP_KERNEL);
+ if (mountdata->addr == NULL)
+ return ERR_PTR(-ENOMEM);
+
for (s = 0; s < location->nservers; s++) {
const struct nfs4_string *buf = &location->servers[s];
- struct sockaddr_storage addr;
if (buf->len <= 0 || buf->len >= maxbuflen)
continue;
@@ -137,11 +141,10 @@ static struct vfsmount *try_location(str
continue;
mountdata->addrlen = nfs_parse_server_name(buf->data, buf->len,
- (struct sockaddr *)&addr, sizeof(addr));
+ mountdata->addr, addr_bufsize);
if (mountdata->addrlen == 0)
continue;
- mountdata->addr = (struct sockaddr *)&addr;
rpc_set_port(mountdata->addr, NFS_PORT);
memcpy(page2, buf->data, buf->len);
@@ -156,6 +159,7 @@ static struct vfsmount *try_location(str
if (!IS_ERR(mnt))
break;
}
+ kfree(mountdata->addr);
return mnt;
}
@@ -221,8 +225,8 @@ out:
/*
* nfs_do_refmount - handle crossing a referral on server
+ * @mnt_parent - mountpoint of referral
* @dentry - dentry of referral
- * @nd - nameidata info
*
*/
struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent, struct dentry *dentry)
diff -up linux-2.6.34.noarch/fs/nfs/nfs4proc.c.orig linux-2.6.34.noarch/fs/nfs/nfs4proc.c
--- linux-2.6.34.noarch/fs/nfs/nfs4proc.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs4proc.c 2010-08-23 11:01:00.365544029 -0400
@@ -70,6 +70,9 @@ static int nfs4_do_fsinfo(struct nfs_ser
static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *, struct nfs4_state *);
static int _nfs4_proc_lookup(struct inode *dir, const struct qstr *name, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
+static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
+ struct nfs_fattr *fattr, struct iattr *sattr,
+ struct nfs4_state *state);
/* Prevent leaks of NFSv4 errors into userland */
static int nfs4_map_errors(int err)
@@ -714,17 +717,18 @@ static void nfs4_init_opendata_res(struc
static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path,
struct nfs4_state_owner *sp, fmode_t fmode, int flags,
- const struct iattr *attrs)
+ const struct iattr *attrs,
+ gfp_t gfp_mask)
{
struct dentry *parent = dget_parent(path->dentry);
struct inode *dir = parent->d_inode;
struct nfs_server *server = NFS_SERVER(dir);
struct nfs4_opendata *p;
- p = kzalloc(sizeof(*p), GFP_KERNEL);
+ p = kzalloc(sizeof(*p), gfp_mask);
if (p == NULL)
goto err;
- p->o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid);
+ p->o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid, gfp_mask);
if (p->o_arg.seqid == NULL)
goto err_free;
path_get(path);
@@ -1060,7 +1064,7 @@ static struct nfs4_opendata *nfs4_open_r
{
struct nfs4_opendata *opendata;
- opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, 0, NULL);
+ opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, 0, NULL, GFP_NOFS);
if (opendata == NULL)
return ERR_PTR(-ENOMEM);
opendata->state = state;
@@ -1648,7 +1652,7 @@ static int _nfs4_do_open(struct inode *d
if (path->dentry->d_inode != NULL)
nfs4_return_incompatible_delegation(path->dentry->d_inode, fmode);
status = -ENOMEM;
- opendata = nfs4_opendata_alloc(path, sp, fmode, flags, sattr);
+ opendata = nfs4_opendata_alloc(path, sp, fmode, flags, sattr, GFP_KERNEL);
if (opendata == NULL)
goto err_put_state_owner;
@@ -1659,15 +1663,24 @@ static int _nfs4_do_open(struct inode *d
if (status != 0)
goto err_opendata_put;
- if (opendata->o_arg.open_flags & O_EXCL)
- nfs4_exclusive_attrset(opendata, sattr);
-
state = nfs4_opendata_to_nfs4_state(opendata);
status = PTR_ERR(state);
if (IS_ERR(state))
goto err_opendata_put;
if (server->caps & NFS_CAP_POSIX_LOCK)
set_bit(NFS_STATE_POSIX_LOCKS, &state->flags);
+
+ if (opendata->o_arg.open_flags & O_EXCL) {
+ nfs4_exclusive_attrset(opendata, sattr);
+
+ nfs_fattr_init(opendata->o_res.f_attr);
+ status = nfs4_do_setattr(state->inode, cred,
+ opendata->o_res.f_attr, sattr,
+ state);
+ if (status == 0)
+ nfs_setattr_update_inode(state->inode, sattr);
+ nfs_post_op_update_inode(state->inode, opendata->o_res.f_attr);
+ }
nfs4_opendata_put(opendata);
nfs4_put_state_owner(sp);
*res = state;
@@ -1914,7 +1927,7 @@ static const struct rpc_call_ops nfs4_cl
*
* NOTE: Caller must be holding the sp->so_owner semaphore!
*/
-int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait)
+int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, int wait)
{
struct nfs_server *server = NFS_SERVER(state->inode);
struct nfs4_closedata *calldata;
@@ -1933,7 +1946,7 @@ int nfs4_do_close(struct path *path, str
};
int status = -ENOMEM;
- calldata = kzalloc(sizeof(*calldata), GFP_KERNEL);
+ calldata = kzalloc(sizeof(*calldata), gfp_mask);
if (calldata == NULL)
goto out;
calldata->inode = state->inode;
@@ -1941,7 +1954,7 @@ int nfs4_do_close(struct path *path, str
calldata->arg.fh = NFS_FH(state->inode);
calldata->arg.stateid = &state->open_stateid;
/* Serialization for the sequence id */
- calldata->arg.seqid = nfs_alloc_seqid(&state->owner->so_seqid);
+ calldata->arg.seqid = nfs_alloc_seqid(&state->owner->so_seqid, gfp_mask);
if (calldata->arg.seqid == NULL)
goto out_free_calldata;
calldata->arg.fmode = 0;
@@ -2404,14 +2417,12 @@ static int nfs4_proc_lookup(struct inode
static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry)
{
struct nfs_server *server = NFS_SERVER(inode);
- struct nfs_fattr fattr;
struct nfs4_accessargs args = {
.fh = NFS_FH(inode),
.bitmask = server->attr_bitmask,
};
struct nfs4_accessres res = {
.server = server,
- .fattr = &fattr,
};
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_ACCESS],
@@ -2438,7 +2449,11 @@ static int _nfs4_proc_access(struct inod
if (mode & MAY_EXEC)
args.access |= NFS4_ACCESS_EXECUTE;
}
- nfs_fattr_init(&fattr);
+
+ res.fattr = nfs_alloc_fattr();
+ if (res.fattr == NULL)
+ return -ENOMEM;
+
status = nfs4_call_sync(server, &msg, &args, &res, 0);
if (!status) {
entry->mask = 0;
@@ -2448,8 +2463,9 @@ static int _nfs4_proc_access(struct inod
entry->mask |= MAY_WRITE;
if (res.access & (NFS4_ACCESS_LOOKUP|NFS4_ACCESS_EXECUTE))
entry->mask |= MAY_EXEC;
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, res.fattr);
}
+ nfs_free_fattr(res.fattr);
return status;
}
@@ -2562,13 +2578,6 @@ nfs4_proc_create(struct inode *dir, stru
}
d_add(dentry, igrab(state->inode));
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
- if (flags & O_EXCL) {
- struct nfs_fattr fattr;
- status = nfs4_do_setattr(state->inode, cred, &fattr, sattr, state);
- if (status == 0)
- nfs_setattr_update_inode(state->inode, sattr);
- nfs_post_op_update_inode(state->inode, &fattr);
- }
if (status == 0 && (nd->flags & LOOKUP_OPEN) != 0)
status = nfs4_intent_set_file(nd, &path, state, fmode);
else
@@ -2596,14 +2605,19 @@ static int _nfs4_proc_remove(struct inod
.rpc_argp = &args,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
+
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
- nfs_fattr_init(&res.dir_attr);
status = nfs4_call_sync(server, &msg, &args, &res, 1);
if (status == 0) {
update_changeattr(dir, &res.cinfo);
- nfs_post_op_update_inode(dir, &res.dir_attr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
}
+ nfs_free_fattr(res.dir_attr);
+out:
return status;
}
@@ -2638,7 +2652,7 @@ static int nfs4_proc_unlink_done(struct
if (nfs4_async_handle_error(task, res->server, NULL) == -EAGAIN)
return 0;
update_changeattr(dir, &res->cinfo);
- nfs_post_op_update_inode(dir, &res->dir_attr);
+ nfs_post_op_update_inode(dir, res->dir_attr);
return 1;
}
@@ -2653,29 +2667,31 @@ static int _nfs4_proc_rename(struct inod
.new_name = new_name,
.bitmask = server->attr_bitmask,
};
- struct nfs_fattr old_fattr, new_fattr;
struct nfs4_rename_res res = {
.server = server,
- .old_fattr = &old_fattr,
- .new_fattr = &new_fattr,
};
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENAME],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
- nfs_fattr_init(res.old_fattr);
- nfs_fattr_init(res.new_fattr);
- status = nfs4_call_sync(server, &msg, &arg, &res, 1);
+ res.old_fattr = nfs_alloc_fattr();
+ res.new_fattr = nfs_alloc_fattr();
+ if (res.old_fattr == NULL || res.new_fattr == NULL)
+ goto out;
+ status = nfs4_call_sync(server, &msg, &arg, &res, 1);
if (!status) {
update_changeattr(old_dir, &res.old_cinfo);
nfs_post_op_update_inode(old_dir, res.old_fattr);
update_changeattr(new_dir, &res.new_cinfo);
nfs_post_op_update_inode(new_dir, res.new_fattr);
}
+out:
+ nfs_free_fattr(res.new_fattr);
+ nfs_free_fattr(res.old_fattr);
return status;
}
@@ -2702,28 +2718,30 @@ static int _nfs4_proc_link(struct inode
.name = name,
.bitmask = server->attr_bitmask,
};
- struct nfs_fattr fattr, dir_attr;
struct nfs4_link_res res = {
.server = server,
- .fattr = &fattr,
- .dir_attr = &dir_attr,
};
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LINK],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
+
+ res.fattr = nfs_alloc_fattr();
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.fattr == NULL || res.dir_attr == NULL)
+ goto out;
- nfs_fattr_init(res.fattr);
- nfs_fattr_init(res.dir_attr);
status = nfs4_call_sync(server, &msg, &arg, &res, 1);
if (!status) {
update_changeattr(dir, &res.cinfo);
nfs_post_op_update_inode(dir, res.dir_attr);
nfs_post_op_update_inode(inode, res.fattr);
}
-
+out:
+ nfs_free_fattr(res.dir_attr);
+ nfs_free_fattr(res.fattr);
return status;
}
@@ -3146,23 +3164,31 @@ static void nfs4_proc_commit_setup(struc
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT];
}
+struct nfs4_renewdata {
+ struct nfs_client *client;
+ unsigned long timestamp;
+};
+
/*
* nfs4_proc_async_renew(): This is not one of the nfs_rpc_ops; it is a special
* standalone procedure for queueing an asynchronous RENEW.
*/
-static void nfs4_renew_release(void *data)
+static void nfs4_renew_release(void *calldata)
{
- struct nfs_client *clp = data;
+ struct nfs4_renewdata *data = calldata;
+ struct nfs_client *clp = data->client;
if (atomic_read(&clp->cl_count) > 1)
nfs4_schedule_state_renewal(clp);
nfs_put_client(clp);
+ kfree(data);
}
-static void nfs4_renew_done(struct rpc_task *task, void *data)
+static void nfs4_renew_done(struct rpc_task *task, void *calldata)
{
- struct nfs_client *clp = data;
- unsigned long timestamp = task->tk_start;
+ struct nfs4_renewdata *data = calldata;
+ struct nfs_client *clp = data->client;
+ unsigned long timestamp = data->timestamp;
if (task->tk_status < 0) {
/* Unless we're shutting down, schedule state recovery! */
@@ -3188,11 +3214,17 @@ int nfs4_proc_async_renew(struct nfs_cli
.rpc_argp = clp,
.rpc_cred = cred,
};
+ struct nfs4_renewdata *data;
if (!atomic_inc_not_zero(&clp->cl_count))
return -EIO;
+ data = kmalloc(sizeof(*data), GFP_KERNEL);
+ if (data == NULL)
+ return -ENOMEM;
+ data->client = clp;
+ data->timestamp = jiffies;
return rpc_call_async(clp->cl_rpcclient, &msg, RPC_TASK_SOFT,
- &nfs4_renew_ops, clp);
+ &nfs4_renew_ops, data);
}
int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
@@ -3494,7 +3526,9 @@ nfs4_async_handle_error(struct rpc_task
return _nfs4_async_handle_error(task, server, server->nfs_client, state);
}
-int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, unsigned short port, struct rpc_cred *cred)
+int nfs4_proc_setclientid(struct nfs_client *clp, u32 program,
+ unsigned short port, struct rpc_cred *cred,
+ struct nfs4_setclientid_res *res)
{
nfs4_verifier sc_verifier;
struct nfs4_setclientid setclientid = {
@@ -3504,7 +3538,7 @@ int nfs4_proc_setclientid(struct nfs_cli
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SETCLIENTID],
.rpc_argp = &setclientid,
- .rpc_resp = clp,
+ .rpc_resp = res,
.rpc_cred = cred,
};
__be32 *p;
@@ -3547,12 +3581,14 @@ int nfs4_proc_setclientid(struct nfs_cli
return status;
}
-static int _nfs4_proc_setclientid_confirm(struct nfs_client *clp, struct rpc_cred *cred)
+static int _nfs4_proc_setclientid_confirm(struct nfs_client *clp,
+ struct nfs4_setclientid_res *arg,
+ struct rpc_cred *cred)
{
struct nfs_fsinfo fsinfo;
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SETCLIENTID_CONFIRM],
- .rpc_argp = clp,
+ .rpc_argp = arg,
.rpc_resp = &fsinfo,
.rpc_cred = cred,
};
@@ -3570,12 +3606,14 @@ static int _nfs4_proc_setclientid_confir
return status;
}
-int nfs4_proc_setclientid_confirm(struct nfs_client *clp, struct rpc_cred *cred)
+int nfs4_proc_setclientid_confirm(struct nfs_client *clp,
+ struct nfs4_setclientid_res *arg,
+ struct rpc_cred *cred)
{
long timeout = 0;
int err;
do {
- err = _nfs4_proc_setclientid_confirm(clp, cred);
+ err = _nfs4_proc_setclientid_confirm(clp, arg, cred);
switch (err) {
case 0:
return err;
@@ -3667,7 +3705,7 @@ static int _nfs4_proc_delegreturn(struct
};
int status = 0;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = kzalloc(sizeof(*data), GFP_NOFS);
if (data == NULL)
return -ENOMEM;
data->args.fhandle = &data->fh;
@@ -3823,7 +3861,7 @@ static struct nfs4_unlockdata *nfs4_allo
struct nfs4_unlockdata *p;
struct inode *inode = lsp->ls_state->inode;
- p = kzalloc(sizeof(*p), GFP_KERNEL);
+ p = kzalloc(sizeof(*p), GFP_NOFS);
if (p == NULL)
return NULL;
p->arg.fh = NFS_FH(inode);
@@ -3961,7 +3999,7 @@ static int nfs4_proc_unlck(struct nfs4_s
if (test_bit(NFS_DELEGATED_STATE, &state->flags))
goto out;
lsp = request->fl_u.nfs4_fl.owner;
- seqid = nfs_alloc_seqid(&lsp->ls_seqid);
+ seqid = nfs_alloc_seqid(&lsp->ls_seqid, GFP_KERNEL);
status = -ENOMEM;
if (seqid == NULL)
goto out;
@@ -3989,22 +4027,23 @@ struct nfs4_lockdata {
};
static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl,
- struct nfs_open_context *ctx, struct nfs4_lock_state *lsp)
+ struct nfs_open_context *ctx, struct nfs4_lock_state *lsp,
+ gfp_t gfp_mask)
{
struct nfs4_lockdata *p;
struct inode *inode = lsp->ls_state->inode;
struct nfs_server *server = NFS_SERVER(inode);
- p = kzalloc(sizeof(*p), GFP_KERNEL);
+ p = kzalloc(sizeof(*p), gfp_mask);
if (p == NULL)
return NULL;
p->arg.fh = NFS_FH(inode);
p->arg.fl = &p->fl;
- p->arg.open_seqid = nfs_alloc_seqid(&lsp->ls_state->owner->so_seqid);
+ p->arg.open_seqid = nfs_alloc_seqid(&lsp->ls_state->owner->so_seqid, gfp_mask);
if (p->arg.open_seqid == NULL)
goto out_free;
- p->arg.lock_seqid = nfs_alloc_seqid(&lsp->ls_seqid);
+ p->arg.lock_seqid = nfs_alloc_seqid(&lsp->ls_seqid, gfp_mask);
if (p->arg.lock_seqid == NULL)
goto out_free_seqid;
p->arg.lock_stateid = &lsp->ls_stateid;
@@ -4158,7 +4197,8 @@ static int _nfs4_do_setlk(struct nfs4_st
dprintk("%s: begin!\n", __func__);
data = nfs4_alloc_lockdata(fl, nfs_file_open_context(fl->fl_file),
- fl->fl_u.nfs4_fl.owner);
+ fl->fl_u.nfs4_fl.owner,
+ recovery_type == NFS_LOCK_NEW ? GFP_KERNEL : GFP_NOFS);
if (data == NULL)
return -ENOMEM;
if (IS_SETLKW(cmd))
@@ -4647,7 +4687,7 @@ static int nfs4_reset_slot_table(struct
if (max_reqs != tbl->max_slots) {
ret = -ENOMEM;
new = kmalloc(max_reqs * sizeof(struct nfs4_slot),
- GFP_KERNEL);
+ GFP_NOFS);
if (!new)
goto out;
ret = 0;
@@ -4712,7 +4752,7 @@ static int nfs4_init_slot_table(struct n
dprintk("--> %s: max_reqs=%u\n", __func__, max_slots);
- slot = kcalloc(max_slots, sizeof(struct nfs4_slot), GFP_KERNEL);
+ slot = kcalloc(max_slots, sizeof(struct nfs4_slot), GFP_NOFS);
if (!slot)
goto out;
ret = 0;
@@ -4761,7 +4801,7 @@ struct nfs4_session *nfs4_alloc_session(
struct nfs4_session *session;
struct nfs4_slot_table *tbl;
- session = kzalloc(sizeof(struct nfs4_session), GFP_KERNEL);
+ session = kzalloc(sizeof(struct nfs4_session), GFP_NOFS);
if (!session)
return NULL;
@@ -5105,8 +5145,8 @@ static int nfs41_proc_async_sequence(str
if (!atomic_inc_not_zero(&clp->cl_count))
return -EIO;
- args = kzalloc(sizeof(*args), GFP_KERNEL);
- res = kzalloc(sizeof(*res), GFP_KERNEL);
+ args = kzalloc(sizeof(*args), GFP_NOFS);
+ res = kzalloc(sizeof(*res), GFP_NOFS);
if (!args || !res) {
kfree(args);
kfree(res);
@@ -5207,7 +5247,7 @@ static int nfs41_proc_reclaim_complete(s
int status = -ENOMEM;
dprintk("--> %s\n", __func__);
- calldata = kzalloc(sizeof(*calldata), GFP_KERNEL);
+ calldata = kzalloc(sizeof(*calldata), GFP_NOFS);
if (calldata == NULL)
goto out;
calldata->clp = clp;
diff -up linux-2.6.34.noarch/fs/nfs/nfs4state.c.orig linux-2.6.34.noarch/fs/nfs/nfs4state.c
--- linux-2.6.34.noarch/fs/nfs/nfs4state.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs4state.c 2010-08-23 11:01:00.367574218 -0400
@@ -62,6 +62,7 @@ static LIST_HEAD(nfs4_clientid_list);
int nfs4_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
{
+ struct nfs4_setclientid_res clid;
unsigned short port;
int status;
@@ -69,11 +70,15 @@ int nfs4_init_clientid(struct nfs_client
if (clp->cl_addr.ss_family == AF_INET6)
port = nfs_callback_tcpport6;
- status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, port, cred);
- if (status == 0)
- status = nfs4_proc_setclientid_confirm(clp, cred);
- if (status == 0)
- nfs4_schedule_state_renewal(clp);
+ status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, port, cred, &clid);
+ if (status != 0)
+ goto out;
+ status = nfs4_proc_setclientid_confirm(clp, &clid, cred);
+ if (status != 0)
+ goto out;
+ clp->cl_clientid = clid.clientid;
+ nfs4_schedule_state_renewal(clp);
+out:
return status;
}
@@ -361,7 +366,7 @@ nfs4_alloc_state_owner(void)
{
struct nfs4_state_owner *sp;
- sp = kzalloc(sizeof(*sp),GFP_KERNEL);
+ sp = kzalloc(sizeof(*sp),GFP_NOFS);
if (!sp)
return NULL;
spin_lock_init(&sp->so_lock);
@@ -435,7 +440,7 @@ nfs4_alloc_open_state(void)
{
struct nfs4_state *state;
- state = kzalloc(sizeof(*state), GFP_KERNEL);
+ state = kzalloc(sizeof(*state), GFP_NOFS);
if (!state)
return NULL;
atomic_set(&state->count, 1);
@@ -537,7 +542,8 @@ void nfs4_put_open_state(struct nfs4_sta
/*
* Close the current file.
*/
-static void __nfs4_close(struct path *path, struct nfs4_state *state, fmode_t fmode, int wait)
+static void __nfs4_close(struct path *path, struct nfs4_state *state,
+ fmode_t fmode, gfp_t gfp_mask, int wait)
{
struct nfs4_state_owner *owner = state->owner;
int call_close = 0;
@@ -578,17 +584,17 @@ static void __nfs4_close(struct path *pa
nfs4_put_open_state(state);
nfs4_put_state_owner(owner);
} else
- nfs4_do_close(path, state, wait);
+ nfs4_do_close(path, state, gfp_mask, wait);
}
void nfs4_close_state(struct path *path, struct nfs4_state *state, fmode_t fmode)
{
- __nfs4_close(path, state, fmode, 0);
+ __nfs4_close(path, state, fmode, GFP_NOFS, 0);
}
void nfs4_close_sync(struct path *path, struct nfs4_state *state, fmode_t fmode)
{
- __nfs4_close(path, state, fmode, 1);
+ __nfs4_close(path, state, fmode, GFP_KERNEL, 1);
}
/*
@@ -618,7 +624,7 @@ static struct nfs4_lock_state *nfs4_allo
struct nfs4_lock_state *lsp;
struct nfs_client *clp = state->owner->so_client;
- lsp = kzalloc(sizeof(*lsp), GFP_KERNEL);
+ lsp = kzalloc(sizeof(*lsp), GFP_NOFS);
if (lsp == NULL)
return NULL;
rpc_init_wait_queue(&lsp->ls_sequence.wait, "lock_seqid_waitqueue");
@@ -754,11 +760,11 @@ void nfs4_copy_stateid(nfs4_stateid *dst
nfs4_put_lock_state(lsp);
}
-struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter)
+struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter, gfp_t gfp_mask)
{
struct nfs_seqid *new;
- new = kmalloc(sizeof(*new), GFP_KERNEL);
+ new = kmalloc(sizeof(*new), gfp_mask);
if (new != NULL) {
new->sequence = counter;
INIT_LIST_HEAD(&new->list);
@@ -1347,7 +1353,7 @@ static int nfs4_recall_slot(struct nfs_c
nfs4_begin_drain_session(clp);
new = kmalloc(fc_tbl->target_max_slots * sizeof(struct nfs4_slot),
- GFP_KERNEL);
+ GFP_NOFS);
if (!new)
return -ENOMEM;
diff -up linux-2.6.34.noarch/fs/nfs/nfs4xdr.c.orig linux-2.6.34.noarch/fs/nfs/nfs4xdr.c
--- linux-2.6.34.noarch/fs/nfs/nfs4xdr.c.orig 2010-08-23 11:00:23.792491380 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfs4xdr.c 2010-08-23 11:01:00.369544055 -0400
@@ -1504,14 +1504,14 @@ static void encode_setclientid(struct xd
hdr->replen += decode_setclientid_maxsz;
}
-static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state, struct compound_hdr *hdr)
+static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr)
{
__be32 *p;
p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE);
*p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM);
- p = xdr_encode_hyper(p, client_state->cl_clientid);
- xdr_encode_opaque_fixed(p, client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
+ p = xdr_encode_hyper(p, arg->clientid);
+ xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE);
hdr->nops++;
hdr->replen += decode_setclientid_confirm_maxsz;
}
@@ -2324,7 +2324,7 @@ static int nfs4_xdr_enc_setclientid(stru
/*
* a SETCLIENTID_CONFIRM request
*/
-static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp)
+static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid_res *arg)
{
struct xdr_stream xdr;
struct compound_hdr hdr = {
@@ -2334,7 +2334,7 @@ static int nfs4_xdr_enc_setclientid_conf
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_compound_hdr(&xdr, req, &hdr);
- encode_setclientid_confirm(&xdr, clp, &hdr);
+ encode_setclientid_confirm(&xdr, arg, &hdr);
encode_putrootfh(&xdr, &hdr);
encode_fsinfo(&xdr, lease_bitmap, &hdr);
encode_nops(&hdr);
@@ -4397,7 +4397,7 @@ out_overflow:
return -EIO;
}
-static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
+static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res)
{
__be32 *p;
uint32_t opnum;
@@ -4417,8 +4417,8 @@ static int decode_setclientid(struct xdr
p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE);
if (unlikely(!p))
goto out_overflow;
- p = xdr_decode_hyper(p, &clp->cl_clientid);
- memcpy(clp->cl_confirm.data, p, NFS4_VERIFIER_SIZE);
+ p = xdr_decode_hyper(p, &res->clientid);
+ memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE);
} else if (nfserr == NFSERR_CLID_INUSE) {
uint32_t len;
@@ -4815,7 +4815,7 @@ static int nfs4_xdr_dec_remove(struct rp
goto out;
if ((status = decode_remove(&xdr, &res->cinfo)) != 0)
goto out;
- decode_getfattr(&xdr, &res->dir_attr, res->server,
+ decode_getfattr(&xdr, res->dir_attr, res->server,
!RPC_IS_ASYNC(rqstp->rq_task));
out:
return status;
@@ -5498,7 +5498,7 @@ static int nfs4_xdr_dec_renew(struct rpc
* Decode SETCLIENTID response
*/
static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p,
- struct nfs_client *clp)
+ struct nfs4_setclientid_res *res)
{
struct xdr_stream xdr;
struct compound_hdr hdr;
@@ -5507,7 +5507,7 @@ static int nfs4_xdr_dec_setclientid(stru
xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
status = decode_compound_hdr(&xdr, &hdr);
if (!status)
- status = decode_setclientid(&xdr, clp);
+ status = decode_setclientid(&xdr, res);
return status;
}
diff -up linux-2.6.34.noarch/fs/nfs/nfsroot.c.orig linux-2.6.34.noarch/fs/nfs/nfsroot.c
--- linux-2.6.34.noarch/fs/nfs/nfsroot.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/nfsroot.c 2010-08-23 11:01:00.371574358 -0400
@@ -488,7 +488,6 @@ static int __init root_nfs_ports(void)
*/
static int __init root_nfs_get_handle(void)
{
- struct nfs_fh fh;
struct sockaddr_in sin;
unsigned int auth_flav_len = 0;
struct nfs_mount_request request = {
@@ -499,21 +498,24 @@ static int __init root_nfs_get_handle(vo
NFS_MNT3_VERSION : NFS_MNT_VERSION,
.protocol = (nfs_data.flags & NFS_MOUNT_TCP) ?
XPRT_TRANSPORT_TCP : XPRT_TRANSPORT_UDP,
- .fh = &fh,
.auth_flav_len = &auth_flav_len,
};
- int status;
+ int status = -ENOMEM;
+ request.fh = nfs_alloc_fhandle();
+ if (!request.fh)
+ goto out;
set_sockaddr(&sin, servaddr, htons(mount_port));
status = nfs_mount(&request);
if (status < 0)
printk(KERN_ERR "Root-NFS: Server returned error %d "
"while mounting %s\n", status, nfs_export_path);
else {
- nfs_data.root.size = fh.size;
- memcpy(nfs_data.root.data, fh.data, fh.size);
+ nfs_data.root.size = request.fh->size;
+ memcpy(&nfs_data.root.data, request.fh->data, request.fh->size);
}
-
+ nfs_free_fhandle(request.fh);
+out:
return status;
}
diff -up linux-2.6.34.noarch/fs/nfs/pagelist.c.orig linux-2.6.34.noarch/fs/nfs/pagelist.c
--- linux-2.6.34.noarch/fs/nfs/pagelist.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/pagelist.c 2010-08-23 11:01:00.371574358 -0400
@@ -60,16 +60,10 @@ nfs_create_request(struct nfs_open_conte
{
struct nfs_page *req;
- for (;;) {
- /* try to allocate the request struct */
- req = nfs_page_alloc();
- if (req != NULL)
- break;
-
- if (fatal_signal_pending(current))
- return ERR_PTR(-ERESTARTSYS);
- yield();
- }
+ /* try to allocate the request struct */
+ req = nfs_page_alloc();
+ if (req == NULL)
+ return ERR_PTR(-ENOMEM);
/* Initialize the request struct. Initially, we assume a
* long write-back delay. This will be adjusted in
diff -up linux-2.6.34.noarch/fs/nfs/proc.c.orig linux-2.6.34.noarch/fs/nfs/proc.c
--- linux-2.6.34.noarch/fs/nfs/proc.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/proc.c 2010-08-23 11:01:00.372574292 -0400
@@ -224,35 +224,60 @@ static int nfs_proc_readlink(struct inod
return status;
}
+struct nfs_createdata {
+ struct nfs_createargs arg;
+ struct nfs_diropok res;
+ struct nfs_fh fhandle;
+ struct nfs_fattr fattr;
+};
+
+static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir,
+ struct dentry *dentry, struct iattr *sattr)
+{
+ struct nfs_createdata *data;
+
+ data = kmalloc(sizeof(*data), GFP_KERNEL);
+
+ if (data != NULL) {
+ data->arg.fh = NFS_FH(dir);
+ data->arg.name = dentry->d_name.name;
+ data->arg.len = dentry->d_name.len;
+ data->arg.sattr = sattr;
+ nfs_fattr_init(&data->fattr);
+ data->fhandle.size = 0;
+ data->res.fh = &data->fhandle;
+ data->res.fattr = &data->fattr;
+ }
+ return data;
+};
+
+static void nfs_free_createdata(const struct nfs_createdata *data)
+{
+ kfree(data);
+}
+
static int
nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
int flags, struct nameidata *nd)
{
- struct nfs_fh fhandle;
- struct nfs_fattr fattr;
- struct nfs_createargs arg = {
- .fh = NFS_FH(dir),
- .name = dentry->d_name.name,
- .len = dentry->d_name.len,
- .sattr = sattr
- };
- struct nfs_diropok res = {
- .fh = &fhandle,
- .fattr = &fattr
- };
+ struct nfs_createdata *data;
struct rpc_message msg = {
.rpc_proc = &nfs_procedures[NFSPROC_CREATE],
- .rpc_argp = &arg,
- .rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
- nfs_fattr_init(&fattr);
dprintk("NFS call create %s\n", dentry->d_name.name);
+ data = nfs_alloc_createdata(dir, dentry, sattr);
+ if (data == NULL)
+ goto out;
+ msg.rpc_argp = &data->arg;
+ msg.rpc_resp = &data->res;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_mark_for_revalidate(dir);
if (status == 0)
- status = nfs_instantiate(dentry, &fhandle, &fattr);
+ status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
+ nfs_free_createdata(data);
+out:
dprintk("NFS reply create: %d\n", status);
return status;
}
@@ -264,24 +289,12 @@ static int
nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
dev_t rdev)
{
- struct nfs_fh fhandle;
- struct nfs_fattr fattr;
- struct nfs_createargs arg = {
- .fh = NFS_FH(dir),
- .name = dentry->d_name.name,
- .len = dentry->d_name.len,
- .sattr = sattr
- };
- struct nfs_diropok res = {
- .fh = &fhandle,
- .fattr = &fattr
- };
+ struct nfs_createdata *data;
struct rpc_message msg = {
.rpc_proc = &nfs_procedures[NFSPROC_CREATE],
- .rpc_argp = &arg,
- .rpc_resp = &res,
};
- int status, mode;
+ umode_t mode;
+ int status = -ENOMEM;
dprintk("NFS call mknod %s\n", dentry->d_name.name);
@@ -294,17 +307,24 @@ nfs_proc_mknod(struct inode *dir, struct
sattr->ia_size = new_encode_dev(rdev);/* get out your barf bag */
}
- nfs_fattr_init(&fattr);
+ data = nfs_alloc_createdata(dir, dentry, sattr);
+ if (data == NULL)
+ goto out;
+ msg.rpc_argp = &data->arg;
+ msg.rpc_resp = &data->res;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_mark_for_revalidate(dir);
if (status == -EINVAL && S_ISFIFO(mode)) {
sattr->ia_mode = mode;
- nfs_fattr_init(&fattr);
+ nfs_fattr_init(data->res.fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
}
if (status == 0)
- status = nfs_instantiate(dentry, &fhandle, &fattr);
+ status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
+ nfs_free_createdata(data);
+out:
dprintk("NFS reply mknod: %d\n", status);
return status;
}
@@ -398,8 +418,8 @@ static int
nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
unsigned int len, struct iattr *sattr)
{
- struct nfs_fh fhandle;
- struct nfs_fattr fattr;
+ struct nfs_fh *fh;
+ struct nfs_fattr *fattr;
struct nfs_symlinkargs arg = {
.fromfh = NFS_FH(dir),
.fromname = dentry->d_name.name,
@@ -412,12 +432,18 @@ nfs_proc_symlink(struct inode *dir, stru
.rpc_proc = &nfs_procedures[NFSPROC_SYMLINK],
.rpc_argp = &arg,
};
- int status;
+ int status = -ENAMETOOLONG;
+
+ dprintk("NFS call symlink %s\n", dentry->d_name.name);
if (len > NFS2_MAXPATHLEN)
- return -ENAMETOOLONG;
+ goto out;
- dprintk("NFS call symlink %s\n", dentry->d_name.name);
+ fh = nfs_alloc_fhandle();
+ fattr = nfs_alloc_fattr();
+ status = -ENOMEM;
+ if (fh == NULL || fattr == NULL)
+ goto out;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_mark_for_revalidate(dir);
@@ -427,12 +453,12 @@ nfs_proc_symlink(struct inode *dir, stru
* filehandle size to zero indicates to nfs_instantiate that it
* should fill in the data with a LOOKUP call on the wire.
*/
- if (status == 0) {
- nfs_fattr_init(&fattr);
- fhandle.size = 0;
- status = nfs_instantiate(dentry, &fhandle, &fattr);
- }
+ if (status == 0)
+ status = nfs_instantiate(dentry, fh, fattr);
+ nfs_free_fattr(fattr);
+ nfs_free_fhandle(fh);
+out:
dprintk("NFS reply symlink: %d\n", status);
return status;
}
@@ -440,31 +466,25 @@ nfs_proc_symlink(struct inode *dir, stru
static int
nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
{
- struct nfs_fh fhandle;
- struct nfs_fattr fattr;
- struct nfs_createargs arg = {
- .fh = NFS_FH(dir),
- .name = dentry->d_name.name,
- .len = dentry->d_name.len,
- .sattr = sattr
- };
- struct nfs_diropok res = {
- .fh = &fhandle,
- .fattr = &fattr
- };
+ struct nfs_createdata *data;
struct rpc_message msg = {
.rpc_proc = &nfs_procedures[NFSPROC_MKDIR],
- .rpc_argp = &arg,
- .rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call mkdir %s\n", dentry->d_name.name);
- nfs_fattr_init(&fattr);
+ data = nfs_alloc_createdata(dir, dentry, sattr);
+ if (data == NULL)
+ goto out;
+ msg.rpc_argp = &data->arg;
+ msg.rpc_resp = &data->res;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_mark_for_revalidate(dir);
if (status == 0)
- status = nfs_instantiate(dentry, &fhandle, &fattr);
+ status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
+ nfs_free_createdata(data);
+out:
dprintk("NFS reply mkdir: %d\n", status);
return status;
}
diff -up linux-2.6.34.noarch/fs/nfs/read.c.orig linux-2.6.34.noarch/fs/nfs/read.c
--- linux-2.6.34.noarch/fs/nfs/read.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/read.c 2010-08-23 11:01:00.373574317 -0400
@@ -40,7 +40,7 @@ static mempool_t *nfs_rdata_mempool;
struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
{
- struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_NOFS);
+ struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_KERNEL);
if (p) {
memset(p, 0, sizeof(*p));
@@ -50,7 +50,7 @@ struct nfs_read_data *nfs_readdata_alloc
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
- p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_NOFS);
+ p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_KERNEL);
if (!p->pagevec) {
mempool_free(p, nfs_rdata_mempool);
p = NULL;
diff -up linux-2.6.34.noarch/fs/nfs/super.c.orig linux-2.6.34.noarch/fs/nfs/super.c
--- linux-2.6.34.noarch/fs/nfs/super.c.orig 2010-08-23 11:00:23.794511661 -0400
+++ linux-2.6.34.noarch/fs/nfs/super.c 2010-08-23 11:01:00.374564179 -0400
@@ -141,7 +141,6 @@ static const match_table_t nfs_mount_opt
{ Opt_resvport, "resvport" },
{ Opt_noresvport, "noresvport" },
{ Opt_fscache, "fsc" },
- { Opt_fscache_uniq, "fsc=%s" },
{ Opt_nofscache, "nofsc" },
{ Opt_port, "port=%s" },
@@ -171,6 +170,7 @@ static const match_table_t nfs_mount_opt
{ Opt_mountaddr, "mountaddr=%s" },
{ Opt_lookupcache, "lookupcache=%s" },
+ { Opt_fscache_uniq, "fsc=%s" },
{ Opt_err, NULL }
};
@@ -423,15 +423,19 @@ static int nfs_statfs(struct dentry *den
unsigned char blockbits;
unsigned long blockres;
struct nfs_fh *fh = NFS_FH(dentry->d_inode);
- struct nfs_fattr fattr;
- struct nfs_fsstat res = {
- .fattr = &fattr,
- };
- int error;
+ struct nfs_fsstat res;
+ int error = -ENOMEM;
+
+ res.fattr = nfs_alloc_fattr();
+ if (res.fattr == NULL)
+ goto out_err;
error = server->nfs_client->rpc_ops->statfs(server, fh, &res);
+
+ nfs_free_fattr(res.fattr);
if (error < 0)
goto out_err;
+
buf->f_type = NFS_SUPER_MAGIC;
/*
@@ -1060,14 +1064,6 @@ static int nfs_parse_mount_options(char
kfree(mnt->fscache_uniq);
mnt->fscache_uniq = NULL;
break;
- case Opt_fscache_uniq:
- string = match_strdup(args);
- if (!string)
- goto out_nomem;
- kfree(mnt->fscache_uniq);
- mnt->fscache_uniq = string;
- mnt->options |= NFS_OPTION_FSCACHE;
- break;
/*
* options that take numeric values
@@ -1398,6 +1394,14 @@ static int nfs_parse_mount_options(char
return 0;
};
break;
+ case Opt_fscache_uniq:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+ kfree(mnt->fscache_uniq);
+ mnt->fscache_uniq = string;
+ mnt->options |= NFS_OPTION_FSCACHE;
+ break;
/*
* Special options
@@ -2186,7 +2190,7 @@ static int nfs_get_sb(struct file_system
int error = -ENOMEM;
data = nfs_alloc_parsed_mount_data(3);
- mntfh = kzalloc(sizeof(*mntfh), GFP_KERNEL);
+ mntfh = nfs_alloc_fhandle();
if (data == NULL || mntfh == NULL)
goto out_free_fh;
@@ -2261,7 +2265,7 @@ out:
kfree(data->fscache_uniq);
security_free_mnt_opts(&data->lsm_opts);
out_free_fh:
- kfree(mntfh);
+ nfs_free_fhandle(mntfh);
kfree(data);
return error;
@@ -2570,7 +2574,7 @@ static int nfs4_remote_get_sb(struct fil
};
int error = -ENOMEM;
- mntfh = kzalloc(sizeof(*mntfh), GFP_KERNEL);
+ mntfh = nfs_alloc_fhandle();
if (data == NULL || mntfh == NULL)
goto out_free_fh;
@@ -2628,7 +2632,7 @@ static int nfs4_remote_get_sb(struct fil
out:
security_free_mnt_opts(&data->lsm_opts);
out_free_fh:
- kfree(mntfh);
+ nfs_free_fhandle(mntfh);
return error;
out_free:
@@ -2683,41 +2687,120 @@ out_freepage:
free_page((unsigned long)page);
}
+struct nfs_referral_count {
+ struct list_head list;
+ const struct task_struct *task;
+ unsigned int referral_count;
+};
+
+static LIST_HEAD(nfs_referral_count_list);
+static DEFINE_SPINLOCK(nfs_referral_count_list_lock);
+
+static struct nfs_referral_count *nfs_find_referral_count(void)
+{
+ struct nfs_referral_count *p;
+
+ list_for_each_entry(p, &nfs_referral_count_list, list) {
+ if (p->task == current)
+ return p;
+ }
+ return NULL;
+}
+
+#define NFS_MAX_NESTED_REFERRALS 2
+
+static int nfs_referral_loop_protect(void)
+{
+ struct nfs_referral_count *p, *new;
+ int ret = -ENOMEM;
+
+ new = kmalloc(sizeof(*new), GFP_KERNEL);
+ if (!new)
+ goto out;
+ new->task = current;
+ new->referral_count = 1;
+
+ ret = 0;
+ spin_lock(&nfs_referral_count_list_lock);
+ p = nfs_find_referral_count();
+ if (p != NULL) {
+ if (p->referral_count >= NFS_MAX_NESTED_REFERRALS)
+ ret = -ELOOP;
+ else
+ p->referral_count++;
+ } else {
+ list_add(&new->list, &nfs_referral_count_list);
+ new = NULL;
+ }
+ spin_unlock(&nfs_referral_count_list_lock);
+ kfree(new);
+out:
+ return ret;
+}
+
+static void nfs_referral_loop_unprotect(void)
+{
+ struct nfs_referral_count *p;
+
+ spin_lock(&nfs_referral_count_list_lock);
+ p = nfs_find_referral_count();
+ p->referral_count--;
+ if (p->referral_count == 0)
+ list_del(&p->list);
+ else
+ p = NULL;
+ spin_unlock(&nfs_referral_count_list_lock);
+ kfree(p);
+}
+
static int nfs_follow_remote_path(struct vfsmount *root_mnt,
const char *export_path, struct vfsmount *mnt_target)
{
+ struct nameidata *nd = NULL;
struct mnt_namespace *ns_private;
- struct nameidata nd;
struct super_block *s;
int ret;
+ nd = kmalloc(sizeof(*nd), GFP_KERNEL);
+ if (nd == NULL)
+ return -ENOMEM;
+
ns_private = create_mnt_ns(root_mnt);
ret = PTR_ERR(ns_private);
if (IS_ERR(ns_private))
goto out_mntput;
+ ret = nfs_referral_loop_protect();
+ if (ret != 0)
+ goto out_put_mnt_ns;
+
ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
- export_path, LOOKUP_FOLLOW, &nd);
+ export_path, LOOKUP_FOLLOW, nd);
+ nfs_referral_loop_unprotect();
put_mnt_ns(ns_private);
if (ret != 0)
goto out_err;
- s = nd.path.mnt->mnt_sb;
+ s = nd->path.mnt->mnt_sb;
atomic_inc(&s->s_active);
mnt_target->mnt_sb = s;
- mnt_target->mnt_root = dget(nd.path.dentry);
+ mnt_target->mnt_root = dget(nd->path.dentry);
/* Correct the device pathname */
- nfs_fix_devname(&nd.path, mnt_target);
+ nfs_fix_devname(&nd->path, mnt_target);
- path_put(&nd.path);
+ path_put(&nd->path);
+ kfree(nd);
down_write(&s->s_umount);
return 0;
+out_put_mnt_ns:
+ put_mnt_ns(ns_private);
out_mntput:
mntput(root_mnt);
out_err:
+ kfree(nd);
return ret;
}
@@ -2888,17 +2971,21 @@ static int nfs4_remote_referral_get_sb(s
struct super_block *s;
struct nfs_server *server;
struct dentry *mntroot;
- struct nfs_fh mntfh;
+ struct nfs_fh *mntfh;
int (*compare_super)(struct super_block *, void *) = nfs_compare_super;
struct nfs_sb_mountdata sb_mntdata = {
.mntflags = flags,
};
- int error;
+ int error = -ENOMEM;
dprintk("--> nfs4_referral_get_sb()\n");
+ mntfh = nfs_alloc_fhandle();
+ if (mntfh == NULL)
+ goto out_err_nofh;
+
/* create a new volume representation */
- server = nfs4_create_referral_server(data, &mntfh);
+ server = nfs4_create_referral_server(data, mntfh);
if (IS_ERR(server)) {
error = PTR_ERR(server);
goto out_err_noserver;
@@ -2930,7 +3017,7 @@ static int nfs4_remote_referral_get_sb(s
nfs_fscache_get_super_cookie(s, NULL, data);
}
- mntroot = nfs4_get_root(s, &mntfh);
+ mntroot = nfs4_get_root(s, mntfh);
if (IS_ERR(mntroot)) {
error = PTR_ERR(mntroot);
goto error_splat_super;
@@ -2947,12 +3034,15 @@ static int nfs4_remote_referral_get_sb(s
security_sb_clone_mnt_opts(data->sb, s);
+ nfs_free_fhandle(mntfh);
dprintk("<-- nfs4_referral_get_sb() = 0\n");
return 0;
out_err_nosb:
nfs_free_server(server);
out_err_noserver:
+ nfs_free_fhandle(mntfh);
+out_err_nofh:
dprintk("<-- nfs4_referral_get_sb() = %d [error]\n", error);
return error;
@@ -2961,6 +3051,7 @@ error_splat_super:
bdi_unregister(&server->backing_dev_info);
error_splat_bdi:
deactivate_locked_super(s);
+ nfs_free_fhandle(mntfh);
dprintk("<-- nfs4_referral_get_sb() = %d [splat]\n", error);
return error;
}
diff -up linux-2.6.34.noarch/fs/nfs/unlink.c.orig linux-2.6.34.noarch/fs/nfs/unlink.c
--- linux-2.6.34.noarch/fs/nfs/unlink.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/fs/nfs/unlink.c 2010-08-23 11:01:00.375554592 -0400
@@ -23,6 +23,7 @@ struct nfs_unlinkdata {
struct nfs_removeres res;
struct inode *dir;
struct rpc_cred *cred;
+ struct nfs_fattr dir_attr;
};
/**
@@ -169,7 +170,7 @@ static int nfs_do_call_unlink(struct den
}
nfs_sb_active(dir->i_sb);
data->args.fh = NFS_FH(dir);
- nfs_fattr_init(&data->res.dir_attr);
+ nfs_fattr_init(data->res.dir_attr);
NFS_PROTO(dir)->unlink_setup(&msg, dir);
@@ -259,6 +260,7 @@ nfs_async_unlink(struct inode *dir, stru
goto out_free;
}
data->res.seq_res.sr_slotid = NFS4_MAX_SLOT_TABLE;
+ data->res.dir_attr = &data->dir_attr;
status = -EBUSY;
spin_lock(&dentry->d_lock);
diff -up linux-2.6.34.noarch/include/linux/ktime.h.orig linux-2.6.34.noarch/include/linux/ktime.h
--- linux-2.6.34.noarch/include/linux/ktime.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/ktime.h 2010-08-23 11:01:00.377554285 -0400
@@ -130,7 +130,7 @@ static inline ktime_t timeval_to_ktime(s
/* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
#define ktime_to_ns(kt) ((kt).tv64)
-#else
+#else /* !((BITS_PER_LONG == 64) || defined(CONFIG_KTIME_SCALAR)) */
/*
* Helper macros/inlines to get the ktime_t math right in the timespec
@@ -275,7 +275,7 @@ static inline s64 ktime_to_ns(const ktim
return (s64) kt.tv.sec * NSEC_PER_SEC + kt.tv.nsec;
}
-#endif
+#endif /* !((BITS_PER_LONG == 64) || defined(CONFIG_KTIME_SCALAR)) */
/**
* ktime_equal - Compares two ktime_t variables to see if they are equal
@@ -295,6 +295,12 @@ static inline s64 ktime_to_us(const ktim
return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec;
}
+static inline s64 ktime_to_ms(const ktime_t kt)
+{
+ struct timeval tv = ktime_to_timeval(kt);
+ return (s64) tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
+}
+
static inline s64 ktime_us_delta(const ktime_t later, const ktime_t earlier)
{
return ktime_to_us(ktime_sub(later, earlier));
diff -up linux-2.6.34.noarch/include/linux/nfs_fs.h.orig linux-2.6.34.noarch/include/linux/nfs_fs.h
--- linux-2.6.34.noarch/include/linux/nfs_fs.h.orig 2010-08-23 11:00:23.822502111 -0400
+++ linux-2.6.34.noarch/include/linux/nfs_fs.h 2010-08-23 11:01:00.378563926 -0400
@@ -356,6 +356,20 @@ extern struct nfs_open_context *nfs_find
extern u64 nfs_compat_user_ino64(u64 fileid);
extern void nfs_fattr_init(struct nfs_fattr *fattr);
+extern struct nfs_fattr *nfs_alloc_fattr(void);
+
+static inline void nfs_free_fattr(const struct nfs_fattr *fattr)
+{
+ kfree(fattr);
+}
+
+extern struct nfs_fh *nfs_alloc_fhandle(void);
+
+static inline void nfs_free_fhandle(const struct nfs_fh *fh)
+{
+ kfree(fh);
+}
+
/* linux/net/ipv4/ipconfig.c: trims ip addr off front of name, too. */
extern __be32 root_nfs_parse_addr(char *name); /*__init*/
extern unsigned long nfs_inc_attr_generation_counter(void);
diff -up linux-2.6.34.noarch/include/linux/nfs_fs_sb.h.orig linux-2.6.34.noarch/include/linux/nfs_fs_sb.h
--- linux-2.6.34.noarch/include/linux/nfs_fs_sb.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/nfs_fs_sb.h 2010-08-23 11:01:00.380553887 -0400
@@ -44,7 +44,6 @@ struct nfs_client {
#ifdef CONFIG_NFS_V4
u64 cl_clientid; /* constant */
- nfs4_verifier cl_confirm;
unsigned long cl_state;
struct rb_root cl_openowner_id;
diff -up linux-2.6.34.noarch/include/linux/nfs_xdr.h.orig linux-2.6.34.noarch/include/linux/nfs_xdr.h
--- linux-2.6.34.noarch/include/linux/nfs_xdr.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/nfs_xdr.h 2010-08-23 11:01:00.381564072 -0400
@@ -386,8 +386,8 @@ struct nfs_removeargs {
struct nfs_removeres {
const struct nfs_server *server;
+ struct nfs_fattr *dir_attr;
struct nfs4_change_info cinfo;
- struct nfs_fattr dir_attr;
struct nfs4_sequence_res seq_res;
};
@@ -824,6 +824,11 @@ struct nfs4_setclientid {
u32 sc_cb_ident;
};
+struct nfs4_setclientid_res {
+ u64 clientid;
+ nfs4_verifier confirm;
+};
+
struct nfs4_statfs_arg {
const struct nfs_fh * fh;
const u32 * bitmask;
diff -up linux-2.6.34.noarch/include/linux/sunrpc/auth_gss.h.orig linux-2.6.34.noarch/include/linux/sunrpc/auth_gss.h
--- linux-2.6.34.noarch/include/linux/sunrpc/auth_gss.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/auth_gss.h 2010-08-23 11:01:00.382564026 -0400
@@ -82,6 +82,7 @@ struct gss_cred {
enum rpc_gss_svc gc_service;
struct gss_cl_ctx *gc_ctx;
struct gss_upcall_msg *gc_upcall;
+ unsigned long gc_upcall_timestamp;
unsigned char gc_machine_cred : 1;
};
diff -up linux-2.6.34.noarch/include/linux/sunrpc/auth.h.orig linux-2.6.34.noarch/include/linux/sunrpc/auth.h
--- linux-2.6.34.noarch/include/linux/sunrpc/auth.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/auth.h 2010-08-23 11:01:00.382564026 -0400
@@ -54,6 +54,7 @@ struct rpc_cred {
#define RPCAUTH_CRED_NEW 0
#define RPCAUTH_CRED_UPTODATE 1
#define RPCAUTH_CRED_HASHED 2
+#define RPCAUTH_CRED_NEGATIVE 3
#define RPCAUTH_CRED_MAGIC 0x0f4aa4f0
diff -up linux-2.6.34.noarch/include/linux/sunrpc/gss_api.h.orig linux-2.6.34.noarch/include/linux/sunrpc/gss_api.h
--- linux-2.6.34.noarch/include/linux/sunrpc/gss_api.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/gss_api.h 2010-08-23 11:01:00.383574314 -0400
@@ -35,7 +35,8 @@ int gss_import_sec_context(
const void* input_token,
size_t bufsize,
struct gss_api_mech *mech,
- struct gss_ctx **ctx_id);
+ struct gss_ctx **ctx_id,
+ gfp_t gfp_mask);
u32 gss_get_mic(
struct gss_ctx *ctx_id,
struct xdr_buf *message,
@@ -80,6 +81,8 @@ struct gss_api_mech {
/* pseudoflavors supported by this mechanism: */
int gm_pf_num;
struct pf_desc * gm_pfs;
+ /* Should the following be a callback operation instead? */
+ const char *gm_upcall_enctypes;
};
/* and must provide the following operations: */
@@ -87,7 +90,8 @@ struct gss_api_ops {
int (*gss_import_sec_context)(
const void *input_token,
size_t bufsize,
- struct gss_ctx *ctx_id);
+ struct gss_ctx *ctx_id,
+ gfp_t gfp_mask);
u32 (*gss_get_mic)(
struct gss_ctx *ctx_id,
struct xdr_buf *message,
diff -up linux-2.6.34.noarch/include/linux/sunrpc/gss_krb5.h.orig linux-2.6.34.noarch/include/linux/sunrpc/gss_krb5.h
--- linux-2.6.34.noarch/include/linux/sunrpc/gss_krb5.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/gss_krb5.h 2010-08-23 11:01:00.383574314 -0400
@@ -4,7 +4,7 @@
* Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h,
* lib/gssapi/krb5/gssapiP_krb5.h, and others
*
- * Copyright (c) 2000 The Regents of the University of Michigan.
+ * Copyright (c) 2000-2008 The Regents of the University of Michigan.
* All rights reserved.
*
* Andy Adamson <andros@umich.edu>
@@ -36,17 +36,86 @@
*
*/
+#include <linux/crypto.h>
#include <linux/sunrpc/auth_gss.h>
#include <linux/sunrpc/gss_err.h>
#include <linux/sunrpc/gss_asn1.h>
+/* Length of constant used in key derivation */
+#define GSS_KRB5_K5CLENGTH (5)
+
+/* Maximum key length (in bytes) for the supported crypto algorithms*/
+#define GSS_KRB5_MAX_KEYLEN (32)
+
+/* Maximum checksum function output for the supported crypto algorithms */
+#define GSS_KRB5_MAX_CKSUM_LEN (20)
+
+/* Maximum blocksize for the supported crypto algorithms */
+#define GSS_KRB5_MAX_BLOCKSIZE (16)
+
+struct krb5_ctx;
+
+struct gss_krb5_enctype {
+ const u32 etype; /* encryption (key) type */
+ const u32 ctype; /* checksum type */
+ const char *name; /* "friendly" name */
+ const char *encrypt_name; /* crypto encrypt name */
+ const char *cksum_name; /* crypto checksum name */
+ const u16 signalg; /* signing algorithm */
+ const u16 sealalg; /* sealing algorithm */
+ const u32 blocksize; /* encryption blocksize */
+ const u32 conflen; /* confounder length
+ (normally the same as
+ the blocksize) */
+ const u32 cksumlength; /* checksum length */
+ const u32 keyed_cksum; /* is it a keyed cksum? */
+ const u32 keybytes; /* raw key len, in bytes */
+ const u32 keylength; /* final key len, in bytes */
+ u32 (*encrypt) (struct crypto_blkcipher *tfm,
+ void *iv, void *in, void *out,
+ int length); /* encryption function */
+ u32 (*decrypt) (struct crypto_blkcipher *tfm,
+ void *iv, void *in, void *out,
+ int length); /* decryption function */
+ u32 (*mk_key) (const struct gss_krb5_enctype *gk5e,
+ struct xdr_netobj *in,
+ struct xdr_netobj *out); /* complete key generation */
+ u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, int ec,
+ struct page **pages); /* v2 encryption function */
+ u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, u32 *headskip,
+ u32 *tailskip); /* v2 decryption function */
+};
+
+/* krb5_ctx flags definitions */
+#define KRB5_CTX_FLAG_INITIATOR 0x00000001
+#define KRB5_CTX_FLAG_CFX 0x00000002
+#define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY 0x00000004
+
struct krb5_ctx {
int initiate; /* 1 = initiating, 0 = accepting */
+ u32 enctype;
+ u32 flags;
+ const struct gss_krb5_enctype *gk5e; /* enctype-specific info */
struct crypto_blkcipher *enc;
struct crypto_blkcipher *seq;
+ struct crypto_blkcipher *acceptor_enc;
+ struct crypto_blkcipher *initiator_enc;
+ struct crypto_blkcipher *acceptor_enc_aux;
+ struct crypto_blkcipher *initiator_enc_aux;
+ u8 Ksess[GSS_KRB5_MAX_KEYLEN]; /* session key */
+ u8 cksum[GSS_KRB5_MAX_KEYLEN];
s32 endtime;
u32 seq_send;
+ u64 seq_send64;
struct xdr_netobj mech_used;
+ u8 initiator_sign[GSS_KRB5_MAX_KEYLEN];
+ u8 acceptor_sign[GSS_KRB5_MAX_KEYLEN];
+ u8 initiator_seal[GSS_KRB5_MAX_KEYLEN];
+ u8 acceptor_seal[GSS_KRB5_MAX_KEYLEN];
+ u8 initiator_integ[GSS_KRB5_MAX_KEYLEN];
+ u8 acceptor_integ[GSS_KRB5_MAX_KEYLEN];
};
extern spinlock_t krb5_seq_lock;
@@ -57,6 +126,18 @@ extern spinlock_t krb5_seq_lock;
#define KG_TOK_MIC_MSG 0x0101
#define KG_TOK_WRAP_MSG 0x0201
+#define KG2_TOK_INITIAL 0x0101
+#define KG2_TOK_RESPONSE 0x0202
+#define KG2_TOK_MIC 0x0404
+#define KG2_TOK_WRAP 0x0504
+
+#define KG2_TOKEN_FLAG_SENTBYACCEPTOR 0x01
+#define KG2_TOKEN_FLAG_SEALED 0x02
+#define KG2_TOKEN_FLAG_ACCEPTORSUBKEY 0x04
+
+#define KG2_RESP_FLAG_ERROR 0x0001
+#define KG2_RESP_FLAG_DELEG_OK 0x0002
+
enum sgn_alg {
SGN_ALG_DES_MAC_MD5 = 0x0000,
SGN_ALG_MD2_5 = 0x0001,
@@ -81,6 +162,9 @@ enum seal_alg {
#define CKSUMTYPE_RSA_MD5_DES 0x0008
#define CKSUMTYPE_NIST_SHA 0x0009
#define CKSUMTYPE_HMAC_SHA1_DES3 0x000c
+#define CKSUMTYPE_HMAC_SHA1_96_AES128 0x000f
+#define CKSUMTYPE_HMAC_SHA1_96_AES256 0x0010
+#define CKSUMTYPE_HMAC_MD5_ARCFOUR -138 /* Microsoft md5 hmac cksumtype */
/* from gssapi_err_krb5.h */
#define KG_CCACHE_NOMATCH (39756032L)
@@ -111,11 +195,56 @@ enum seal_alg {
#define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */
#define ENCTYPE_DES_HMAC_SHA1 0x0008
#define ENCTYPE_DES3_CBC_SHA1 0x0010
+#define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011
+#define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012
+#define ENCTYPE_ARCFOUR_HMAC 0x0017
+#define ENCTYPE_ARCFOUR_HMAC_EXP 0x0018
#define ENCTYPE_UNKNOWN 0x01ff
-s32
-make_checksum(char *, char *header, int hdrlen, struct xdr_buf *body,
- int body_offset, struct xdr_netobj *cksum);
+/*
+ * Constants used for key derivation
+ */
+/* for 3DES */
+#define KG_USAGE_SEAL (22)
+#define KG_USAGE_SIGN (23)
+#define KG_USAGE_SEQ (24)
+
+/* from rfc3961 */
+#define KEY_USAGE_SEED_CHECKSUM (0x99)
+#define KEY_USAGE_SEED_ENCRYPTION (0xAA)
+#define KEY_USAGE_SEED_INTEGRITY (0x55)
+
+/* from rfc4121 */
+#define KG_USAGE_ACCEPTOR_SEAL (22)
+#define KG_USAGE_ACCEPTOR_SIGN (23)
+#define KG_USAGE_INITIATOR_SEAL (24)
+#define KG_USAGE_INITIATOR_SIGN (25)
+
+/*
+ * This compile-time check verifies that we will not exceed the
+ * slack space allotted by the client and server auth_gss code
+ * before they call gss_wrap().
+ */
+#define GSS_KRB5_MAX_SLACK_NEEDED \
+ (GSS_KRB5_TOK_HDR_LEN /* gss token header */ \
+ + GSS_KRB5_MAX_CKSUM_LEN /* gss token checksum */ \
+ + GSS_KRB5_MAX_BLOCKSIZE /* confounder */ \
+ + GSS_KRB5_MAX_BLOCKSIZE /* possible padding */ \
+ + GSS_KRB5_TOK_HDR_LEN /* encrypted hdr in v2 token */\
+ + GSS_KRB5_MAX_CKSUM_LEN /* encryption hmac */ \
+ + 4 + 4 /* RPC verifier */ \
+ + GSS_KRB5_TOK_HDR_LEN \
+ + GSS_KRB5_MAX_CKSUM_LEN)
+
+u32
+make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen,
+ struct xdr_buf *body, int body_offset, u8 *cksumkey,
+ unsigned int usage, struct xdr_netobj *cksumout);
+
+u32
+make_checksum_v2(struct krb5_ctx *, char *header, int hdrlen,
+ struct xdr_buf *body, int body_offset, u8 *key,
+ unsigned int usage, struct xdr_netobj *cksum);
u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
struct xdr_netobj *);
@@ -149,11 +278,54 @@ gss_decrypt_xdr_buf(struct crypto_blkcip
int offset);
s32
-krb5_make_seq_num(struct crypto_blkcipher *key,
+krb5_make_seq_num(struct krb5_ctx *kctx,
+ struct crypto_blkcipher *key,
int direction,
u32 seqnum, unsigned char *cksum, unsigned char *buf);
s32
-krb5_get_seq_num(struct crypto_blkcipher *key,
+krb5_get_seq_num(struct krb5_ctx *kctx,
unsigned char *cksum,
unsigned char *buf, int *direction, u32 *seqnum);
+
+int
+xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen);
+
+u32
+krb5_derive_key(const struct gss_krb5_enctype *gk5e,
+ const struct xdr_netobj *inkey,
+ struct xdr_netobj *outkey,
+ const struct xdr_netobj *in_constant,
+ gfp_t gfp_mask);
+
+u32
+gss_krb5_des3_make_key(const struct gss_krb5_enctype *gk5e,
+ struct xdr_netobj *randombits,
+ struct xdr_netobj *key);
+
+u32
+gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e,
+ struct xdr_netobj *randombits,
+ struct xdr_netobj *key);
+
+u32
+gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, int ec,
+ struct page **pages);
+
+u32
+gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, u32 *plainoffset,
+ u32 *plainlen);
+
+int
+krb5_rc4_setup_seq_key(struct krb5_ctx *kctx,
+ struct crypto_blkcipher *cipher,
+ unsigned char *cksum);
+
+int
+krb5_rc4_setup_enc_key(struct krb5_ctx *kctx,
+ struct crypto_blkcipher *cipher,
+ s32 seqnum);
+void
+gss_krb5_make_confounder(char *p, u32 conflen);
diff -up linux-2.6.34.noarch/include/linux/sunrpc/metrics.h.orig linux-2.6.34.noarch/include/linux/sunrpc/metrics.h
--- linux-2.6.34.noarch/include/linux/sunrpc/metrics.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/metrics.h 2010-08-23 11:01:00.384611889 -0400
@@ -26,6 +26,7 @@
#define _LINUX_SUNRPC_METRICS_H
#include <linux/seq_file.h>
+#include <linux/ktime.h>
#define RPC_IOSTATS_VERS "1.0"
@@ -58,9 +59,9 @@ struct rpc_iostats {
* and the total time the request spent from init to release
* are measured.
*/
- unsigned long long om_queue, /* jiffies queued for xmit */
- om_rtt, /* jiffies for RPC RTT */
- om_execute; /* jiffies for RPC execution */
+ ktime_t om_queue, /* queued for xmit */
+ om_rtt, /* RPC RTT */
+ om_execute; /* RPC execution */
} ____cacheline_aligned;
struct rpc_task;
diff -up linux-2.6.34.noarch/include/linux/sunrpc/sched.h.orig linux-2.6.34.noarch/include/linux/sunrpc/sched.h
--- linux-2.6.34.noarch/include/linux/sunrpc/sched.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/sched.h 2010-08-23 11:01:00.385361873 -0400
@@ -10,6 +10,7 @@
#define _LINUX_SUNRPC_SCHED_H_
#include <linux/timer.h>
+#include <linux/ktime.h>
#include <linux/sunrpc/types.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
@@ -40,21 +41,15 @@ struct rpc_wait {
* This is the RPC task struct
*/
struct rpc_task {
-#ifdef RPC_DEBUG
- unsigned long tk_magic; /* 0xf00baa */
-#endif
atomic_t tk_count; /* Reference count */
struct list_head tk_task; /* global list of tasks */
struct rpc_clnt * tk_client; /* RPC client */
struct rpc_rqst * tk_rqstp; /* RPC request */
- int tk_status; /* result of last operation */
/*
* RPC call state
*/
struct rpc_message tk_msg; /* RPC call info */
- __u8 tk_garb_retry;
- __u8 tk_cred_retry;
/*
* callback to be executed after waking up
@@ -67,7 +62,6 @@ struct rpc_task {
void * tk_calldata;
unsigned long tk_timeout; /* timeout for rpc_sleep() */
- unsigned short tk_flags; /* misc flags */
unsigned long tk_runstate; /* Task run status */
struct workqueue_struct *tk_workqueue; /* Normally rpciod, but could
* be any workqueue
@@ -78,17 +72,19 @@ struct rpc_task {
struct rpc_wait tk_wait; /* RPC wait */
} u;
- unsigned short tk_timeouts; /* maj timeouts */
- size_t tk_bytes_sent; /* total bytes sent */
- unsigned long tk_start; /* RPC task init timestamp */
- long tk_rtt; /* round-trip time (jiffies) */
+ ktime_t tk_start; /* RPC task init timestamp */
pid_t tk_owner; /* Process id for batching tasks */
- unsigned char tk_priority : 2;/* Task priority */
+ int tk_status; /* result of last operation */
+ unsigned short tk_flags; /* misc flags */
+ unsigned short tk_timeouts; /* maj timeouts */
#ifdef RPC_DEBUG
unsigned short tk_pid; /* debugging aid */
#endif
+ unsigned char tk_priority : 2,/* Task priority */
+ tk_garb_retry : 2,
+ tk_cred_retry : 2;
};
#define tk_xprt tk_client->cl_xprt
diff -up linux-2.6.34.noarch/include/linux/sunrpc/xdr.h.orig linux-2.6.34.noarch/include/linux/sunrpc/xdr.h
--- linux-2.6.34.noarch/include/linux/sunrpc/xdr.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/xdr.h 2010-08-23 11:01:00.385361873 -0400
@@ -1,7 +1,10 @@
/*
- * include/linux/sunrpc/xdr.h
+ * XDR standard data types and function declarations
*
* Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
+ *
+ * Based on:
+ * RFC 4506 "XDR: External Data Representation Standard", May 2006
*/
#ifndef _SUNRPC_XDR_H_
@@ -62,7 +65,6 @@ struct xdr_buf {
unsigned int buflen, /* Total length of storage buffer */
len; /* Length of XDR encoded message */
-
};
/*
@@ -178,7 +180,7 @@ struct xdr_array2_desc {
};
extern int xdr_decode_array2(struct xdr_buf *buf, unsigned int base,
- struct xdr_array2_desc *desc);
+ struct xdr_array2_desc *desc);
extern int xdr_encode_array2(struct xdr_buf *buf, unsigned int base,
struct xdr_array2_desc *desc);
diff -up linux-2.6.34.noarch/include/linux/sunrpc/xprt.h.orig linux-2.6.34.noarch/include/linux/sunrpc/xprt.h
--- linux-2.6.34.noarch/include/linux/sunrpc/xprt.h.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/include/linux/sunrpc/xprt.h 2010-08-23 11:01:00.386574704 -0400
@@ -13,6 +13,7 @@
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/kref.h>
+#include <linux/ktime.h>
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/msg_prot.h>
@@ -65,8 +66,6 @@ struct rpc_rqst {
struct rpc_task * rq_task; /* RPC task data */
__be32 rq_xid; /* request XID */
int rq_cong; /* has incremented xprt->cong */
- int rq_reply_bytes_recvd; /* number of reply */
- /* bytes received */
u32 rq_seqno; /* gss seq no. used on req. */
int rq_enc_pages_num;
struct page **rq_enc_pages; /* scratch pages for use by
@@ -77,12 +76,16 @@ struct rpc_rqst {
__u32 * rq_buffer; /* XDR encode buffer */
size_t rq_callsize,
rq_rcvsize;
+ size_t rq_xmit_bytes_sent; /* total bytes sent */
+ size_t rq_reply_bytes_recvd; /* total reply bytes */
+ /* received */
struct xdr_buf rq_private_buf; /* The receive buffer
* used in the softirq.
*/
unsigned long rq_majortimeo; /* major timeout alarm */
unsigned long rq_timeout; /* Current timeout value */
+ ktime_t rq_rtt; /* round-trip time */
unsigned int rq_retries; /* # of retries */
unsigned int rq_connect_cookie;
/* A cookie used to track the
@@ -94,7 +97,7 @@ struct rpc_rqst {
*/
u32 rq_bytes_sent; /* Bytes we have sent */
- unsigned long rq_xtime; /* when transmitted */
+ ktime_t rq_xtime; /* transmit time stamp */
int rq_ntrans;
#if defined(CONFIG_NFS_V4_1)
@@ -174,8 +177,7 @@ struct rpc_xprt {
/*
* Connection of transports
*/
- unsigned long connect_timeout,
- bind_timeout,
+ unsigned long bind_timeout,
reestablish_timeout;
unsigned int connect_cookie; /* A cookie that gets bumped
every time the transport
@@ -294,7 +296,6 @@ void xprt_set_retrans_timeout_rtt(stru
void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status);
void xprt_wait_for_buffer_space(struct rpc_task *task, rpc_action action);
void xprt_write_space(struct rpc_xprt *xprt);
-void xprt_update_rtt(struct rpc_task *task);
void xprt_adjust_cwnd(struct rpc_task *task, int result);
struct rpc_rqst * xprt_lookup_rqst(struct rpc_xprt *xprt, __be32 xid);
void xprt_complete_rqst(struct rpc_task *task, int copied);
diff -up linux-2.6.34.noarch/net/sunrpc/auth.c.orig linux-2.6.34.noarch/net/sunrpc/auth.c
--- linux-2.6.34.noarch/net/sunrpc/auth.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth.c 2010-08-23 11:01:00.387574079 -0400
@@ -236,10 +236,15 @@ rpcauth_prune_expired(struct list_head *
list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) {
- /* Enforce a 60 second garbage collection moratorium */
+ if (nr_to_scan-- == 0)
+ break;
+ /*
+ * Enforce a 60 second garbage collection moratorium
+ * Note that the cred_unused list must be time-ordered.
+ */
if (time_in_range(cred->cr_expire, expired, jiffies) &&
test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0)
- continue;
+ return 0;
list_del_init(&cred->cr_lru);
number_cred_unused--;
@@ -252,13 +257,10 @@ rpcauth_prune_expired(struct list_head *
get_rpccred(cred);
list_add_tail(&cred->cr_lru, free);
rpcauth_unhash_cred_locked(cred);
- nr_to_scan--;
}
spin_unlock(cache_lock);
- if (nr_to_scan == 0)
- break;
}
- return nr_to_scan;
+ return (number_cred_unused / 100) * sysctl_vfs_cache_pressure;
}
/*
@@ -270,11 +272,12 @@ rpcauth_cache_shrinker(int nr_to_scan, g
LIST_HEAD(free);
int res;
+ if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL)
+ return (nr_to_scan == 0) ? 0 : -1;
if (list_empty(&cred_unused))
return 0;
spin_lock(&rpc_credcache_lock);
- nr_to_scan = rpcauth_prune_expired(&free, nr_to_scan);
- res = (number_cred_unused / 100) * sysctl_vfs_cache_pressure;
+ res = rpcauth_prune_expired(&free, nr_to_scan);
spin_unlock(&rpc_credcache_lock);
rpcauth_destroy_credlist(&free);
return res;
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/auth_gss.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/auth_gss.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/auth_gss.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/auth_gss.c 2010-08-23 11:01:00.388574680 -0400
@@ -57,11 +57,14 @@ static const struct rpc_authops authgss_
static const struct rpc_credops gss_credops;
static const struct rpc_credops gss_nullops;
+#define GSS_RETRY_EXPIRED 5
+static unsigned int gss_expired_cred_retry_delay = GSS_RETRY_EXPIRED;
+
#ifdef RPC_DEBUG
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
-#define GSS_CRED_SLACK 1024
+#define GSS_CRED_SLACK (RPC_MAX_AUTH_SIZE * 2)
/* length of a krb5 verifier (48), plus data added before arguments when
* using integrity (two 4-byte integers): */
#define GSS_VERF_SLACK 100
@@ -229,7 +232,7 @@ gss_fill_context(const void *p, const vo
p = ERR_PTR(-EFAULT);
goto err;
}
- ret = gss_import_sec_context(p, seclen, gm, &ctx->gc_gss_ctx);
+ ret = gss_import_sec_context(p, seclen, gm, &ctx->gc_gss_ctx, GFP_NOFS);
if (ret < 0) {
p = ERR_PTR(ret);
goto err;
@@ -350,6 +353,24 @@ gss_unhash_msg(struct gss_upcall_msg *gs
}
static void
+gss_handle_downcall_result(struct gss_cred *gss_cred, struct gss_upcall_msg *gss_msg)
+{
+ switch (gss_msg->msg.errno) {
+ case 0:
+ if (gss_msg->ctx == NULL)
+ break;
+ clear_bit(RPCAUTH_CRED_NEGATIVE, &gss_cred->gc_base.cr_flags);
+ gss_cred_set_ctx(&gss_cred->gc_base, gss_msg->ctx);
+ break;
+ case -EKEYEXPIRED:
+ set_bit(RPCAUTH_CRED_NEGATIVE, &gss_cred->gc_base.cr_flags);
+ }
+ gss_cred->gc_upcall_timestamp = jiffies;
+ gss_cred->gc_upcall = NULL;
+ rpc_wake_up_status(&gss_msg->rpc_waitqueue, gss_msg->msg.errno);
+}
+
+static void
gss_upcall_callback(struct rpc_task *task)
{
struct gss_cred *gss_cred = container_of(task->tk_msg.rpc_cred,
@@ -358,13 +379,9 @@ gss_upcall_callback(struct rpc_task *tas
struct inode *inode = &gss_msg->inode->vfs_inode;
spin_lock(&inode->i_lock);
- if (gss_msg->ctx)
- gss_cred_set_ctx(task->tk_msg.rpc_cred, gss_msg->ctx);
- else
- task->tk_status = gss_msg->msg.errno;
- gss_cred->gc_upcall = NULL;
- rpc_wake_up_status(&gss_msg->rpc_waitqueue, gss_msg->msg.errno);
+ gss_handle_downcall_result(gss_cred, gss_msg);
spin_unlock(&inode->i_lock);
+ task->tk_status = gss_msg->msg.errno;
gss_release_msg(gss_msg);
}
@@ -377,11 +394,12 @@ static void gss_encode_v0_msg(struct gss
static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg,
struct rpc_clnt *clnt, int machine_cred)
{
+ struct gss_api_mech *mech = gss_msg->auth->mech;
char *p = gss_msg->databuf;
int len = 0;
gss_msg->msg.len = sprintf(gss_msg->databuf, "mech=%s uid=%d ",
- gss_msg->auth->mech->gm_name,
+ mech->gm_name,
gss_msg->uid);
p += gss_msg->msg.len;
if (clnt->cl_principal) {
@@ -398,6 +416,11 @@ static void gss_encode_v1_msg(struct gss
p += len;
gss_msg->msg.len += len;
}
+ if (mech->gm_upcall_enctypes) {
+ len = sprintf(p, mech->gm_upcall_enctypes);
+ p += len;
+ gss_msg->msg.len += len;
+ }
len = sprintf(p, "\n");
gss_msg->msg.len += len;
@@ -507,18 +530,16 @@ gss_refresh_upcall(struct rpc_task *task
spin_lock(&inode->i_lock);
if (gss_cred->gc_upcall != NULL)
rpc_sleep_on(&gss_cred->gc_upcall->rpc_waitqueue, task, NULL);
- else if (gss_msg->ctx != NULL) {
- gss_cred_set_ctx(task->tk_msg.rpc_cred, gss_msg->ctx);
- gss_cred->gc_upcall = NULL;
- rpc_wake_up_status(&gss_msg->rpc_waitqueue, gss_msg->msg.errno);
- } else if (gss_msg->msg.errno >= 0) {
+ else if (gss_msg->ctx == NULL && gss_msg->msg.errno >= 0) {
task->tk_timeout = 0;
gss_cred->gc_upcall = gss_msg;
/* gss_upcall_callback will release the reference to gss_upcall_msg */
atomic_inc(&gss_msg->count);
rpc_sleep_on(&gss_msg->rpc_waitqueue, task, gss_upcall_callback);
- } else
+ } else {
+ gss_handle_downcall_result(gss_cred, gss_msg);
err = gss_msg->msg.errno;
+ }
spin_unlock(&inode->i_lock);
gss_release_msg(gss_msg);
out:
@@ -1117,6 +1138,23 @@ static int gss_renew_cred(struct rpc_tas
return 0;
}
+static int gss_cred_is_negative_entry(struct rpc_cred *cred)
+{
+ if (test_bit(RPCAUTH_CRED_NEGATIVE, &cred->cr_flags)) {
+ unsigned long now = jiffies;
+ unsigned long begin, expire;
+ struct gss_cred *gss_cred;
+
+ gss_cred = container_of(cred, struct gss_cred, gc_base);
+ begin = gss_cred->gc_upcall_timestamp;
+ expire = begin + gss_expired_cred_retry_delay * HZ;
+
+ if (time_in_range_open(now, begin, expire))
+ return 1;
+ }
+ return 0;
+}
+
/*
* Refresh credentials. XXX - finish
*/
@@ -1126,6 +1164,9 @@ gss_refresh(struct rpc_task *task)
struct rpc_cred *cred = task->tk_msg.rpc_cred;
int ret = 0;
+ if (gss_cred_is_negative_entry(cred))
+ return -EKEYEXPIRED;
+
if (!test_bit(RPCAUTH_CRED_NEW, &cred->cr_flags) &&
!test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags)) {
ret = gss_renew_cred(task);
@@ -1316,15 +1357,21 @@ gss_wrap_req_priv(struct rpc_cred *cred,
inpages = snd_buf->pages + first;
snd_buf->pages = rqstp->rq_enc_pages;
snd_buf->page_base -= first << PAGE_CACHE_SHIFT;
- /* Give the tail its own page, in case we need extra space in the
- * head when wrapping: */
+ /*
+ * Give the tail its own page, in case we need extra space in the
+ * head when wrapping:
+ *
+ * call_allocate() allocates twice the slack space required
+ * by the authentication flavor to rq_callsize.
+ * For GSS, slack is GSS_CRED_SLACK.
+ */
if (snd_buf->page_len || snd_buf->tail[0].iov_len) {
tmp = page_address(rqstp->rq_enc_pages[rqstp->rq_enc_pages_num - 1]);
memcpy(tmp, snd_buf->tail[0].iov_base, snd_buf->tail[0].iov_len);
snd_buf->tail[0].iov_base = tmp;
}
maj_stat = gss_wrap(ctx->gc_gss_ctx, offset, snd_buf, inpages);
- /* RPC_SLACK_SPACE should prevent this ever happening: */
+ /* slack space should prevent this ever happening: */
BUG_ON(snd_buf->len > snd_buf->buflen);
status = -EIO;
/* We're assuming that when GSS_S_CONTEXT_EXPIRED, the encryption was
@@ -1573,5 +1620,11 @@ static void __exit exit_rpcsec_gss(void)
}
MODULE_LICENSE("GPL");
+module_param_named(expired_cred_retry_delay,
+ gss_expired_cred_retry_delay,
+ uint, 0644);
+MODULE_PARM_DESC(expired_cred_retry_delay, "Timeout (in seconds) until "
+ "the RPC engine retries an expired credential");
+
module_init(init_rpcsec_gss)
module_exit(exit_rpcsec_gss)
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_crypto.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_crypto.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_crypto.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_crypto.c 2010-08-23 11:01:00.390553891 -0400
@@ -1,7 +1,7 @@
/*
* linux/net/sunrpc/gss_krb5_crypto.c
*
- * Copyright (c) 2000 The Regents of the University of Michigan.
+ * Copyright (c) 2000-2008 The Regents of the University of Michigan.
* All rights reserved.
*
* Andy Adamson <andros@umich.edu>
@@ -41,6 +41,7 @@
#include <linux/crypto.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
+#include <linux/random.h>
#include <linux/sunrpc/gss_krb5.h>
#include <linux/sunrpc/xdr.h>
@@ -58,13 +59,13 @@ krb5_encrypt(
{
u32 ret = -EINVAL;
struct scatterlist sg[1];
- u8 local_iv[16] = {0};
+ u8 local_iv[GSS_KRB5_MAX_BLOCKSIZE] = {0};
struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv };
if (length % crypto_blkcipher_blocksize(tfm) != 0)
goto out;
- if (crypto_blkcipher_ivsize(tfm) > 16) {
+ if (crypto_blkcipher_ivsize(tfm) > GSS_KRB5_MAX_BLOCKSIZE) {
dprintk("RPC: gss_k5encrypt: tfm iv size too large %d\n",
crypto_blkcipher_ivsize(tfm));
goto out;
@@ -92,13 +93,13 @@ krb5_decrypt(
{
u32 ret = -EINVAL;
struct scatterlist sg[1];
- u8 local_iv[16] = {0};
+ u8 local_iv[GSS_KRB5_MAX_BLOCKSIZE] = {0};
struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv };
if (length % crypto_blkcipher_blocksize(tfm) != 0)
goto out;
- if (crypto_blkcipher_ivsize(tfm) > 16) {
+ if (crypto_blkcipher_ivsize(tfm) > GSS_KRB5_MAX_BLOCKSIZE) {
dprintk("RPC: gss_k5decrypt: tfm iv size too large %d\n",
crypto_blkcipher_ivsize(tfm));
goto out;
@@ -123,21 +124,155 @@ checksummer(struct scatterlist *sg, void
return crypto_hash_update(desc, sg, sg->length);
}
-/* checksum the plaintext data and hdrlen bytes of the token header */
-s32
-make_checksum(char *cksumname, char *header, int hdrlen, struct xdr_buf *body,
- int body_offset, struct xdr_netobj *cksum)
+static int
+arcfour_hmac_md5_usage_to_salt(unsigned int usage, u8 salt[4])
+{
+ unsigned int ms_usage;
+
+ switch (usage) {
+ case KG_USAGE_SIGN:
+ ms_usage = 15;
+ break;
+ case KG_USAGE_SEAL:
+ ms_usage = 13;
+ break;
+ default:
+ return EINVAL;;
+ }
+ salt[0] = (ms_usage >> 0) & 0xff;
+ salt[1] = (ms_usage >> 8) & 0xff;
+ salt[2] = (ms_usage >> 16) & 0xff;
+ salt[3] = (ms_usage >> 24) & 0xff;
+
+ return 0;
+}
+
+static u32
+make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen,
+ struct xdr_buf *body, int body_offset, u8 *cksumkey,
+ unsigned int usage, struct xdr_netobj *cksumout)
{
- struct hash_desc desc; /* XXX add to ctx? */
+ struct hash_desc desc;
struct scatterlist sg[1];
int err;
+ u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ u8 rc4salt[4];
+ struct crypto_hash *md5;
+ struct crypto_hash *hmac_md5;
+
+ if (cksumkey == NULL)
+ return GSS_S_FAILURE;
+
+ if (cksumout->len < kctx->gk5e->cksumlength) {
+ dprintk("%s: checksum buffer length, %u, too small for %s\n",
+ __func__, cksumout->len, kctx->gk5e->name);
+ return GSS_S_FAILURE;
+ }
+
+ if (arcfour_hmac_md5_usage_to_salt(usage, rc4salt)) {
+ dprintk("%s: invalid usage value %u\n", __func__, usage);
+ return GSS_S_FAILURE;
+ }
+
+ md5 = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(md5))
+ return GSS_S_FAILURE;
+
+ hmac_md5 = crypto_alloc_hash(kctx->gk5e->cksum_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(hmac_md5)) {
+ crypto_free_hash(md5);
+ return GSS_S_FAILURE;
+ }
+
+ desc.tfm = md5;
+ desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ err = crypto_hash_init(&desc);
+ if (err)
+ goto out;
+ sg_init_one(sg, rc4salt, 4);
+ err = crypto_hash_update(&desc, sg, 4);
+ if (err)
+ goto out;
+
+ sg_init_one(sg, header, hdrlen);
+ err = crypto_hash_update(&desc, sg, hdrlen);
+ if (err)
+ goto out;
+ err = xdr_process_buf(body, body_offset, body->len - body_offset,
+ checksummer, &desc);
+ if (err)
+ goto out;
+ err = crypto_hash_final(&desc, checksumdata);
+ if (err)
+ goto out;
+
+ desc.tfm = hmac_md5;
+ desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ err = crypto_hash_init(&desc);
+ if (err)
+ goto out;
+ err = crypto_hash_setkey(hmac_md5, cksumkey, kctx->gk5e->keylength);
+ if (err)
+ goto out;
+
+ sg_init_one(sg, checksumdata, crypto_hash_digestsize(md5));
+ err = crypto_hash_digest(&desc, sg, crypto_hash_digestsize(md5),
+ checksumdata);
+ if (err)
+ goto out;
+
+ memcpy(cksumout->data, checksumdata, kctx->gk5e->cksumlength);
+ cksumout->len = kctx->gk5e->cksumlength;
+out:
+ crypto_free_hash(md5);
+ crypto_free_hash(hmac_md5);
+ return err ? GSS_S_FAILURE : 0;
+}
+
+/*
+ * checksum the plaintext data and hdrlen bytes of the token header
+ * The checksum is performed over the first 8 bytes of the
+ * gss token header and then over the data body
+ */
+u32
+make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen,
+ struct xdr_buf *body, int body_offset, u8 *cksumkey,
+ unsigned int usage, struct xdr_netobj *cksumout)
+{
+ struct hash_desc desc;
+ struct scatterlist sg[1];
+ int err;
+ u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ unsigned int checksumlen;
+
+ if (kctx->gk5e->ctype == CKSUMTYPE_HMAC_MD5_ARCFOUR)
+ return make_checksum_hmac_md5(kctx, header, hdrlen,
+ body, body_offset,
+ cksumkey, usage, cksumout);
+
+ if (cksumout->len < kctx->gk5e->cksumlength) {
+ dprintk("%s: checksum buffer length, %u, too small for %s\n",
+ __func__, cksumout->len, kctx->gk5e->name);
+ return GSS_S_FAILURE;
+ }
- desc.tfm = crypto_alloc_hash(cksumname, 0, CRYPTO_ALG_ASYNC);
+ desc.tfm = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(desc.tfm))
return GSS_S_FAILURE;
- cksum->len = crypto_hash_digestsize(desc.tfm);
desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+ checksumlen = crypto_hash_digestsize(desc.tfm);
+
+ if (cksumkey != NULL) {
+ err = crypto_hash_setkey(desc.tfm, cksumkey,
+ kctx->gk5e->keylength);
+ if (err)
+ goto out;
+ }
+
err = crypto_hash_init(&desc);
if (err)
goto out;
@@ -149,15 +284,109 @@ make_checksum(char *cksumname, char *hea
checksummer, &desc);
if (err)
goto out;
- err = crypto_hash_final(&desc, cksum->data);
+ err = crypto_hash_final(&desc, checksumdata);
+ if (err)
+ goto out;
+ switch (kctx->gk5e->ctype) {
+ case CKSUMTYPE_RSA_MD5:
+ err = kctx->gk5e->encrypt(kctx->seq, NULL, checksumdata,
+ checksumdata, checksumlen);
+ if (err)
+ goto out;
+ memcpy(cksumout->data,
+ checksumdata + checksumlen - kctx->gk5e->cksumlength,
+ kctx->gk5e->cksumlength);
+ break;
+ case CKSUMTYPE_HMAC_SHA1_DES3:
+ memcpy(cksumout->data, checksumdata, kctx->gk5e->cksumlength);
+ break;
+ default:
+ BUG();
+ break;
+ }
+ cksumout->len = kctx->gk5e->cksumlength;
+out:
+ crypto_free_hash(desc.tfm);
+ return err ? GSS_S_FAILURE : 0;
+}
+
+/*
+ * checksum the plaintext data and hdrlen bytes of the token header
+ * Per rfc4121, sec. 4.2.4, the checksum is performed over the data
+ * body then over the first 16 octets of the MIC token
+ * Inclusion of the header data in the calculation of the
+ * checksum is optional.
+ */
+u32
+make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen,
+ struct xdr_buf *body, int body_offset, u8 *cksumkey,
+ unsigned int usage, struct xdr_netobj *cksumout)
+{
+ struct hash_desc desc;
+ struct scatterlist sg[1];
+ int err;
+ u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ unsigned int checksumlen;
+
+ if (kctx->gk5e->keyed_cksum == 0) {
+ dprintk("%s: expected keyed hash for %s\n",
+ __func__, kctx->gk5e->name);
+ return GSS_S_FAILURE;
+ }
+ if (cksumkey == NULL) {
+ dprintk("%s: no key supplied for %s\n",
+ __func__, kctx->gk5e->name);
+ return GSS_S_FAILURE;
+ }
+
+ desc.tfm = crypto_alloc_hash(kctx->gk5e->cksum_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(desc.tfm))
+ return GSS_S_FAILURE;
+ checksumlen = crypto_hash_digestsize(desc.tfm);
+ desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ err = crypto_hash_setkey(desc.tfm, cksumkey, kctx->gk5e->keylength);
+ if (err)
+ goto out;
+
+ err = crypto_hash_init(&desc);
+ if (err)
+ goto out;
+ err = xdr_process_buf(body, body_offset, body->len - body_offset,
+ checksummer, &desc);
+ if (err)
+ goto out;
+ if (header != NULL) {
+ sg_init_one(sg, header, hdrlen);
+ err = crypto_hash_update(&desc, sg, hdrlen);
+ if (err)
+ goto out;
+ }
+ err = crypto_hash_final(&desc, checksumdata);
+ if (err)
+ goto out;
+
+ cksumout->len = kctx->gk5e->cksumlength;
+
+ switch (kctx->gk5e->ctype) {
+ case CKSUMTYPE_HMAC_SHA1_96_AES128:
+ case CKSUMTYPE_HMAC_SHA1_96_AES256:
+ /* note that this truncates the hash */
+ memcpy(cksumout->data, checksumdata, kctx->gk5e->cksumlength);
+ break;
+ default:
+ BUG();
+ break;
+ }
out:
crypto_free_hash(desc.tfm);
return err ? GSS_S_FAILURE : 0;
}
struct encryptor_desc {
- u8 iv[8]; /* XXX hard-coded blocksize */
+ u8 iv[GSS_KRB5_MAX_BLOCKSIZE];
struct blkcipher_desc desc;
int pos;
struct xdr_buf *outbuf;
@@ -198,7 +427,7 @@ encryptor(struct scatterlist *sg, void *
desc->fraglen += sg->length;
desc->pos += sg->length;
- fraglen = thislen & 7; /* XXX hardcoded blocksize */
+ fraglen = thislen & (crypto_blkcipher_blocksize(desc->desc.tfm) - 1);
thislen -= fraglen;
if (thislen == 0)
@@ -256,7 +485,7 @@ gss_encrypt_xdr_buf(struct crypto_blkcip
}
struct decryptor_desc {
- u8 iv[8]; /* XXX hard-coded blocksize */
+ u8 iv[GSS_KRB5_MAX_BLOCKSIZE];
struct blkcipher_desc desc;
struct scatterlist frags[4];
int fragno;
@@ -278,7 +507,7 @@ decryptor(struct scatterlist *sg, void *
desc->fragno++;
desc->fraglen += sg->length;
- fraglen = thislen & 7; /* XXX hardcoded blocksize */
+ fraglen = thislen & (crypto_blkcipher_blocksize(desc->desc.tfm) - 1);
thislen -= fraglen;
if (thislen == 0)
@@ -325,3 +554,437 @@ gss_decrypt_xdr_buf(struct crypto_blkcip
return xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc);
}
+
+/*
+ * This function makes the assumption that it was ultimately called
+ * from gss_wrap().
+ *
+ * The client auth_gss code moves any existing tail data into a
+ * separate page before calling gss_wrap.
+ * The server svcauth_gss code ensures that both the head and the
+ * tail have slack space of RPC_MAX_AUTH_SIZE before calling gss_wrap.
+ *
+ * Even with that guarantee, this function may be called more than
+ * once in the processing of gss_wrap(). The best we can do is
+ * verify at compile-time (see GSS_KRB5_SLACK_CHECK) that the
+ * largest expected shift will fit within RPC_MAX_AUTH_SIZE.
+ * At run-time we can verify that a single invocation of this
+ * function doesn't attempt to use more the RPC_MAX_AUTH_SIZE.
+ */
+
+int
+xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen)
+{
+ u8 *p;
+
+ if (shiftlen == 0)
+ return 0;
+
+ BUILD_BUG_ON(GSS_KRB5_MAX_SLACK_NEEDED > RPC_MAX_AUTH_SIZE);
+ BUG_ON(shiftlen > RPC_MAX_AUTH_SIZE);
+
+ p = buf->head[0].iov_base + base;
+
+ memmove(p + shiftlen, p, buf->head[0].iov_len - base);
+
+ buf->head[0].iov_len += shiftlen;
+ buf->len += shiftlen;
+
+ return 0;
+}
+
+static u32
+gss_krb5_cts_crypt(struct crypto_blkcipher *cipher, struct xdr_buf *buf,
+ u32 offset, u8 *iv, struct page **pages, int encrypt)
+{
+ u32 ret;
+ struct scatterlist sg[1];
+ struct blkcipher_desc desc = { .tfm = cipher, .info = iv };
+ u8 data[crypto_blkcipher_blocksize(cipher) * 2];
+ struct page **save_pages;
+ u32 len = buf->len - offset;
+
+ BUG_ON(len > crypto_blkcipher_blocksize(cipher) * 2);
+
+ /*
+ * For encryption, we want to read from the cleartext
+ * page cache pages, and write the encrypted data to
+ * the supplied xdr_buf pages.
+ */
+ save_pages = buf->pages;
+ if (encrypt)
+ buf->pages = pages;
+
+ ret = read_bytes_from_xdr_buf(buf, offset, data, len);
+ buf->pages = save_pages;
+ if (ret)
+ goto out;
+
+ sg_init_one(sg, data, len);
+
+ if (encrypt)
+ ret = crypto_blkcipher_encrypt_iv(&desc, sg, sg, len);
+ else
+ ret = crypto_blkcipher_decrypt_iv(&desc, sg, sg, len);
+
+ if (ret)
+ goto out;
+
+ ret = write_bytes_to_xdr_buf(buf, offset, data, len);
+
+out:
+ return ret;
+}
+
+u32
+gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, int ec, struct page **pages)
+{
+ u32 err;
+ struct xdr_netobj hmac;
+ u8 *cksumkey;
+ u8 *ecptr;
+ struct crypto_blkcipher *cipher, *aux_cipher;
+ int blocksize;
+ struct page **save_pages;
+ int nblocks, nbytes;
+ struct encryptor_desc desc;
+ u32 cbcbytes;
+ unsigned int usage;
+
+ if (kctx->initiate) {
+ cipher = kctx->initiator_enc;
+ aux_cipher = kctx->initiator_enc_aux;
+ cksumkey = kctx->initiator_integ;
+ usage = KG_USAGE_INITIATOR_SEAL;
+ } else {
+ cipher = kctx->acceptor_enc;
+ aux_cipher = kctx->acceptor_enc_aux;
+ cksumkey = kctx->acceptor_integ;
+ usage = KG_USAGE_ACCEPTOR_SEAL;
+ }
+ blocksize = crypto_blkcipher_blocksize(cipher);
+
+ /* hide the gss token header and insert the confounder */
+ offset += GSS_KRB5_TOK_HDR_LEN;
+ if (xdr_extend_head(buf, offset, kctx->gk5e->conflen))
+ return GSS_S_FAILURE;
+ gss_krb5_make_confounder(buf->head[0].iov_base + offset, kctx->gk5e->conflen);
+ offset -= GSS_KRB5_TOK_HDR_LEN;
+
+ if (buf->tail[0].iov_base != NULL) {
+ ecptr = buf->tail[0].iov_base + buf->tail[0].iov_len;
+ } else {
+ buf->tail[0].iov_base = buf->head[0].iov_base
+ + buf->head[0].iov_len;
+ buf->tail[0].iov_len = 0;
+ ecptr = buf->tail[0].iov_base;
+ }
+
+ memset(ecptr, 'X', ec);
+ buf->tail[0].iov_len += ec;
+ buf->len += ec;
+
+ /* copy plaintext gss token header after filler (if any) */
+ memcpy(ecptr + ec, buf->head[0].iov_base + offset,
+ GSS_KRB5_TOK_HDR_LEN);
+ buf->tail[0].iov_len += GSS_KRB5_TOK_HDR_LEN;
+ buf->len += GSS_KRB5_TOK_HDR_LEN;
+
+ /* Do the HMAC */
+ hmac.len = GSS_KRB5_MAX_CKSUM_LEN;
+ hmac.data = buf->tail[0].iov_base + buf->tail[0].iov_len;
+
+ /*
+ * When we are called, pages points to the real page cache
+ * data -- which we can't go and encrypt! buf->pages points
+ * to scratch pages which we are going to send off to the
+ * client/server. Swap in the plaintext pages to calculate
+ * the hmac.
+ */
+ save_pages = buf->pages;
+ buf->pages = pages;
+
+ err = make_checksum_v2(kctx, NULL, 0, buf,
+ offset + GSS_KRB5_TOK_HDR_LEN,
+ cksumkey, usage, &hmac);
+ buf->pages = save_pages;
+ if (err)
+ return GSS_S_FAILURE;
+
+ nbytes = buf->len - offset - GSS_KRB5_TOK_HDR_LEN;
+ nblocks = (nbytes + blocksize - 1) / blocksize;
+ cbcbytes = 0;
+ if (nblocks > 2)
+ cbcbytes = (nblocks - 2) * blocksize;
+
+ memset(desc.iv, 0, sizeof(desc.iv));
+
+ if (cbcbytes) {
+ desc.pos = offset + GSS_KRB5_TOK_HDR_LEN;
+ desc.fragno = 0;
+ desc.fraglen = 0;
+ desc.pages = pages;
+ desc.outbuf = buf;
+ desc.desc.info = desc.iv;
+ desc.desc.flags = 0;
+ desc.desc.tfm = aux_cipher;
+
+ sg_init_table(desc.infrags, 4);
+ sg_init_table(desc.outfrags, 4);
+
+ err = xdr_process_buf(buf, offset + GSS_KRB5_TOK_HDR_LEN,
+ cbcbytes, encryptor, &desc);
+ if (err)
+ goto out_err;
+ }
+
+ /* Make sure IV carries forward from any CBC results. */
+ err = gss_krb5_cts_crypt(cipher, buf,
+ offset + GSS_KRB5_TOK_HDR_LEN + cbcbytes,
+ desc.iv, pages, 1);
+ if (err) {
+ err = GSS_S_FAILURE;
+ goto out_err;
+ }
+
+ /* Now update buf to account for HMAC */
+ buf->tail[0].iov_len += kctx->gk5e->cksumlength;
+ buf->len += kctx->gk5e->cksumlength;
+
+out_err:
+ if (err)
+ err = GSS_S_FAILURE;
+ return err;
+}
+
+u32
+gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf,
+ u32 *headskip, u32 *tailskip)
+{
+ struct xdr_buf subbuf;
+ u32 ret = 0;
+ u8 *cksum_key;
+ struct crypto_blkcipher *cipher, *aux_cipher;
+ struct xdr_netobj our_hmac_obj;
+ u8 our_hmac[GSS_KRB5_MAX_CKSUM_LEN];
+ u8 pkt_hmac[GSS_KRB5_MAX_CKSUM_LEN];
+ int nblocks, blocksize, cbcbytes;
+ struct decryptor_desc desc;
+ unsigned int usage;
+
+ if (kctx->initiate) {
+ cipher = kctx->acceptor_enc;
+ aux_cipher = kctx->acceptor_enc_aux;
+ cksum_key = kctx->acceptor_integ;
+ usage = KG_USAGE_ACCEPTOR_SEAL;
+ } else {
+ cipher = kctx->initiator_enc;
+ aux_cipher = kctx->initiator_enc_aux;
+ cksum_key = kctx->initiator_integ;
+ usage = KG_USAGE_INITIATOR_SEAL;
+ }
+ blocksize = crypto_blkcipher_blocksize(cipher);
+
+
+ /* create a segment skipping the header and leaving out the checksum */
+ xdr_buf_subsegment(buf, &subbuf, offset + GSS_KRB5_TOK_HDR_LEN,
+ (buf->len - offset - GSS_KRB5_TOK_HDR_LEN -
+ kctx->gk5e->cksumlength));
+
+ nblocks = (subbuf.len + blocksize - 1) / blocksize;
+
+ cbcbytes = 0;
+ if (nblocks > 2)
+ cbcbytes = (nblocks - 2) * blocksize;
+
+ memset(desc.iv, 0, sizeof(desc.iv));
+
+ if (cbcbytes) {
+ desc.fragno = 0;
+ desc.fraglen = 0;
+ desc.desc.info = desc.iv;
+ desc.desc.flags = 0;
+ desc.desc.tfm = aux_cipher;
+
+ sg_init_table(desc.frags, 4);
+
+ ret = xdr_process_buf(&subbuf, 0, cbcbytes, decryptor, &desc);
+ if (ret)
+ goto out_err;
+ }
+
+ /* Make sure IV carries forward from any CBC results. */
+ ret = gss_krb5_cts_crypt(cipher, &subbuf, cbcbytes, desc.iv, NULL, 0);
+ if (ret)
+ goto out_err;
+
+
+ /* Calculate our hmac over the plaintext data */
+ our_hmac_obj.len = sizeof(our_hmac);
+ our_hmac_obj.data = our_hmac;
+
+ ret = make_checksum_v2(kctx, NULL, 0, &subbuf, 0,
+ cksum_key, usage, &our_hmac_obj);
+ if (ret)
+ goto out_err;
+
+ /* Get the packet's hmac value */
+ ret = read_bytes_from_xdr_buf(buf, buf->len - kctx->gk5e->cksumlength,
+ pkt_hmac, kctx->gk5e->cksumlength);
+ if (ret)
+ goto out_err;
+
+ if (memcmp(pkt_hmac, our_hmac, kctx->gk5e->cksumlength) != 0) {
+ ret = GSS_S_BAD_SIG;
+ goto out_err;
+ }
+ *headskip = kctx->gk5e->conflen;
+ *tailskip = kctx->gk5e->cksumlength;
+out_err:
+ if (ret && ret != GSS_S_BAD_SIG)
+ ret = GSS_S_FAILURE;
+ return ret;
+}
+
+/*
+ * Compute Kseq given the initial session key and the checksum.
+ * Set the key of the given cipher.
+ */
+int
+krb5_rc4_setup_seq_key(struct krb5_ctx *kctx, struct crypto_blkcipher *cipher,
+ unsigned char *cksum)
+{
+ struct crypto_hash *hmac;
+ struct hash_desc desc;
+ struct scatterlist sg[1];
+ u8 Kseq[GSS_KRB5_MAX_KEYLEN];
+ u32 zeroconstant = 0;
+ int err;
+
+ dprintk("%s: entered\n", __func__);
+
+ hmac = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(hmac)) {
+ dprintk("%s: error %ld, allocating hash '%s'\n",
+ __func__, PTR_ERR(hmac), kctx->gk5e->cksum_name);
+ return PTR_ERR(hmac);
+ }
+
+ desc.tfm = hmac;
+ desc.flags = 0;
+
+ err = crypto_hash_init(&desc);
+ if (err)
+ goto out_err;
+
+ /* Compute intermediate Kseq from session key */
+ err = crypto_hash_setkey(hmac, kctx->Ksess, kctx->gk5e->keylength);
+ if (err)
+ goto out_err;
+
+ sg_init_table(sg, 1);
+ sg_set_buf(sg, &zeroconstant, 4);
+
+ err = crypto_hash_digest(&desc, sg, 4, Kseq);
+ if (err)
+ goto out_err;
+
+ /* Compute final Kseq from the checksum and intermediate Kseq */
+ err = crypto_hash_setkey(hmac, Kseq, kctx->gk5e->keylength);
+ if (err)
+ goto out_err;
+
+ sg_set_buf(sg, cksum, 8);
+
+ err = crypto_hash_digest(&desc, sg, 8, Kseq);
+ if (err)
+ goto out_err;
+
+ err = crypto_blkcipher_setkey(cipher, Kseq, kctx->gk5e->keylength);
+ if (err)
+ goto out_err;
+
+ err = 0;
+
+out_err:
+ crypto_free_hash(hmac);
+ dprintk("%s: returning %d\n", __func__, err);
+ return err;
+}
+
+/*
+ * Compute Kcrypt given the initial session key and the plaintext seqnum.
+ * Set the key of cipher kctx->enc.
+ */
+int
+krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, struct crypto_blkcipher *cipher,
+ s32 seqnum)
+{
+ struct crypto_hash *hmac;
+ struct hash_desc desc;
+ struct scatterlist sg[1];
+ u8 Kcrypt[GSS_KRB5_MAX_KEYLEN];
+ u8 zeroconstant[4] = {0};
+ u8 seqnumarray[4];
+ int err, i;
+
+ dprintk("%s: entered, seqnum %u\n", __func__, seqnum);
+
+ hmac = crypto_alloc_hash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(hmac)) {
+ dprintk("%s: error %ld, allocating hash '%s'\n",
+ __func__, PTR_ERR(hmac), kctx->gk5e->cksum_name);
+ return PTR_ERR(hmac);
+ }
+
+ desc.tfm = hmac;
+ desc.flags = 0;
+
+ err = crypto_hash_init(&desc);
+ if (err)
+ goto out_err;
+
+ /* Compute intermediate Kcrypt from session key */
+ for (i = 0; i < kctx->gk5e->keylength; i++)
+ Kcrypt[i] = kctx->Ksess[i] ^ 0xf0;
+
+ err = crypto_hash_setkey(hmac, Kcrypt, kctx->gk5e->keylength);
+ if (err)
+ goto out_err;
+
+ sg_init_table(sg, 1);
+ sg_set_buf(sg, zeroconstant, 4);
+
+ err = crypto_hash_digest(&desc, sg, 4, Kcrypt);
+ if (err)
+ goto out_err;
+
+ /* Compute final Kcrypt from the seqnum and intermediate Kcrypt */
+ err = crypto_hash_setkey(hmac, Kcrypt, kctx->gk5e->keylength);
+ if (err)
+ goto out_err;
+
+ seqnumarray[0] = (unsigned char) ((seqnum >> 24) & 0xff);
+ seqnumarray[1] = (unsigned char) ((seqnum >> 16) & 0xff);
+ seqnumarray[2] = (unsigned char) ((seqnum >> 8) & 0xff);
+ seqnumarray[3] = (unsigned char) ((seqnum >> 0) & 0xff);
+
+ sg_set_buf(sg, seqnumarray, 4);
+
+ err = crypto_hash_digest(&desc, sg, 4, Kcrypt);
+ if (err)
+ goto out_err;
+
+ err = crypto_blkcipher_setkey(cipher, Kcrypt, kctx->gk5e->keylength);
+ if (err)
+ goto out_err;
+
+ err = 0;
+
+out_err:
+ crypto_free_hash(hmac);
+ dprintk("%s: returning %d\n", __func__, err);
+ return err;
+}
+
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_keys.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_keys.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_keys.c.orig 2010-08-23 11:01:00.390553891 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_keys.c 2010-08-23 11:01:00.391564137 -0400
@@ -0,0 +1,336 @@
+/*
+ * COPYRIGHT (c) 2008
+ * The Regents of the University of Michigan
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization. If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
+/*
+ * Copyright (C) 1998 by the FundsXpress, INC.
+ *
+ * All rights reserved.
+ *
+ * Export of this software from the United States of America may require
+ * a specific license from the United States Government. It is the
+ * responsibility of any person or organization contemplating export to
+ * obtain such a license before exporting.
+ *
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of FundsXpress. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission. FundsXpress makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is" without express
+ * or implied warranty.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <linux/err.h>
+#include <linux/types.h>
+#include <linux/crypto.h>
+#include <linux/sunrpc/gss_krb5.h>
+#include <linux/sunrpc/xdr.h>
+
+#ifdef RPC_DEBUG
+# define RPCDBG_FACILITY RPCDBG_AUTH
+#endif
+
+/*
+ * This is the n-fold function as described in rfc3961, sec 5.1
+ * Taken from MIT Kerberos and modified.
+ */
+
+static void krb5_nfold(u32 inbits, const u8 *in,
+ u32 outbits, u8 *out)
+{
+ int a, b, c, lcm;
+ int byte, i, msbit;
+
+ /* the code below is more readable if I make these bytes
+ instead of bits */
+
+ inbits >>= 3;
+ outbits >>= 3;
+
+ /* first compute lcm(n,k) */
+
+ a = outbits;
+ b = inbits;
+
+ while (b != 0) {
+ c = b;
+ b = a%b;
+ a = c;
+ }
+
+ lcm = outbits*inbits/a;
+
+ /* now do the real work */
+
+ memset(out, 0, outbits);
+ byte = 0;
+
+ /* this will end up cycling through k lcm(k,n)/k times, which
+ is correct */
+ for (i = lcm-1; i >= 0; i--) {
+ /* compute the msbit in k which gets added into this byte */
+ msbit = (
+ /* first, start with the msbit in the first,
+ * unrotated byte */
+ ((inbits << 3) - 1)
+ /* then, for each byte, shift to the right
+ * for each repetition */
+ + (((inbits << 3) + 13) * (i/inbits))
+ /* last, pick out the correct byte within
+ * that shifted repetition */
+ + ((inbits - (i % inbits)) << 3)
+ ) % (inbits << 3);
+
+ /* pull out the byte value itself */
+ byte += (((in[((inbits - 1) - (msbit >> 3)) % inbits] << 8)|
+ (in[((inbits) - (msbit >> 3)) % inbits]))
+ >> ((msbit & 7) + 1)) & 0xff;
+
+ /* do the addition */
+ byte += out[i % outbits];
+ out[i % outbits] = byte & 0xff;
+
+ /* keep around the carry bit, if any */
+ byte >>= 8;
+
+ }
+
+ /* if there's a carry bit left over, add it back in */
+ if (byte) {
+ for (i = outbits - 1; i >= 0; i--) {
+ /* do the addition */
+ byte += out[i];
+ out[i] = byte & 0xff;
+
+ /* keep around the carry bit, if any */
+ byte >>= 8;
+ }
+ }
+}
+
+/*
+ * This is the DK (derive_key) function as described in rfc3961, sec 5.1
+ * Taken from MIT Kerberos and modified.
+ */
+
+u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e,
+ const struct xdr_netobj *inkey,
+ struct xdr_netobj *outkey,
+ const struct xdr_netobj *in_constant,
+ gfp_t gfp_mask)
+{
+ size_t blocksize, keybytes, keylength, n;
+ unsigned char *inblockdata, *outblockdata, *rawkey;
+ struct xdr_netobj inblock, outblock;
+ struct crypto_blkcipher *cipher;
+ u32 ret = EINVAL;
+
+ blocksize = gk5e->blocksize;
+ keybytes = gk5e->keybytes;
+ keylength = gk5e->keylength;
+
+ if ((inkey->len != keylength) || (outkey->len != keylength))
+ goto err_return;
+
+ cipher = crypto_alloc_blkcipher(gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(cipher))
+ goto err_return;
+ if (crypto_blkcipher_setkey(cipher, inkey->data, inkey->len))
+ goto err_return;
+
+ /* allocate and set up buffers */
+
+ ret = ENOMEM;
+ inblockdata = kmalloc(blocksize, gfp_mask);
+ if (inblockdata == NULL)
+ goto err_free_cipher;
+
+ outblockdata = kmalloc(blocksize, gfp_mask);
+ if (outblockdata == NULL)
+ goto err_free_in;
+
+ rawkey = kmalloc(keybytes, gfp_mask);
+ if (rawkey == NULL)
+ goto err_free_out;
+
+ inblock.data = (char *) inblockdata;
+ inblock.len = blocksize;
+
+ outblock.data = (char *) outblockdata;
+ outblock.len = blocksize;
+
+ /* initialize the input block */
+
+ if (in_constant->len == inblock.len) {
+ memcpy(inblock.data, in_constant->data, inblock.len);
+ } else {
+ krb5_nfold(in_constant->len * 8, in_constant->data,
+ inblock.len * 8, inblock.data);
+ }
+
+ /* loop encrypting the blocks until enough key bytes are generated */
+
+ n = 0;
+ while (n < keybytes) {
+ (*(gk5e->encrypt))(cipher, NULL, inblock.data,
+ outblock.data, inblock.len);
+
+ if ((keybytes - n) <= outblock.len) {
+ memcpy(rawkey + n, outblock.data, (keybytes - n));
+ break;
+ }
+
+ memcpy(rawkey + n, outblock.data, outblock.len);
+ memcpy(inblock.data, outblock.data, outblock.len);
+ n += outblock.len;
+ }
+
+ /* postprocess the key */
+
+ inblock.data = (char *) rawkey;
+ inblock.len = keybytes;
+
+ BUG_ON(gk5e->mk_key == NULL);
+ ret = (*(gk5e->mk_key))(gk5e, &inblock, outkey);
+ if (ret) {
+ dprintk("%s: got %d from mk_key function for '%s'\n",
+ __func__, ret, gk5e->encrypt_name);
+ goto err_free_raw;
+ }
+
+ /* clean memory, free resources and exit */
+
+ ret = 0;
+
+err_free_raw:
+ memset(rawkey, 0, keybytes);
+ kfree(rawkey);
+err_free_out:
+ memset(outblockdata, 0, blocksize);
+ kfree(outblockdata);
+err_free_in:
+ memset(inblockdata, 0, blocksize);
+ kfree(inblockdata);
+err_free_cipher:
+ crypto_free_blkcipher(cipher);
+err_return:
+ return ret;
+}
+
+#define smask(step) ((1<<step)-1)
+#define pstep(x, step) (((x)&smask(step))^(((x)>>step)&smask(step)))
+#define parity_char(x) pstep(pstep(pstep((x), 4), 2), 1)
+
+static void mit_des_fixup_key_parity(u8 key[8])
+{
+ int i;
+ for (i = 0; i < 8; i++) {
+ key[i] &= 0xfe;
+ key[i] |= 1^parity_char(key[i]);
+ }
+}
+
+/*
+ * This is the des3 key derivation postprocess function
+ */
+u32 gss_krb5_des3_make_key(const struct gss_krb5_enctype *gk5e,
+ struct xdr_netobj *randombits,
+ struct xdr_netobj *key)
+{
+ int i;
+ u32 ret = EINVAL;
+
+ if (key->len != 24) {
+ dprintk("%s: key->len is %d\n", __func__, key->len);
+ goto err_out;
+ }
+ if (randombits->len != 21) {
+ dprintk("%s: randombits->len is %d\n",
+ __func__, randombits->len);
+ goto err_out;
+ }
+
+ /* take the seven bytes, move them around into the top 7 bits of the
+ 8 key bytes, then compute the parity bits. Do this three times. */
+
+ for (i = 0; i < 3; i++) {
+ memcpy(key->data + i*8, randombits->data + i*7, 7);
+ key->data[i*8+7] = (((key->data[i*8]&1)<<1) |
+ ((key->data[i*8+1]&1)<<2) |
+ ((key->data[i*8+2]&1)<<3) |
+ ((key->data[i*8+3]&1)<<4) |
+ ((key->data[i*8+4]&1)<<5) |
+ ((key->data[i*8+5]&1)<<6) |
+ ((key->data[i*8+6]&1)<<7));
+
+ mit_des_fixup_key_parity(key->data + i*8);
+ }
+ ret = 0;
+err_out:
+ return ret;
+}
+
+/*
+ * This is the aes key derivation postprocess function
+ */
+u32 gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e,
+ struct xdr_netobj *randombits,
+ struct xdr_netobj *key)
+{
+ u32 ret = EINVAL;
+
+ if (key->len != 16 && key->len != 32) {
+ dprintk("%s: key->len is %d\n", __func__, key->len);
+ goto err_out;
+ }
+ if (randombits->len != 16 && randombits->len != 32) {
+ dprintk("%s: randombits->len is %d\n",
+ __func__, randombits->len);
+ goto err_out;
+ }
+ if (randombits->len != key->len) {
+ dprintk("%s: randombits->len is %d, key->len is %d\n",
+ __func__, randombits->len, key->len);
+ goto err_out;
+ }
+ memcpy(key->data, randombits->data, key->len);
+ ret = 0;
+err_out:
+ return ret;
+}
+
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_mech.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_mech.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_mech.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_mech.c 2010-08-23 11:01:00.392564136 -0400
@@ -1,7 +1,7 @@
/*
* linux/net/sunrpc/gss_krb5_mech.c
*
- * Copyright (c) 2001 The Regents of the University of Michigan.
+ * Copyright (c) 2001-2008 The Regents of the University of Michigan.
* All rights reserved.
*
* Andy Adamson <andros@umich.edu>
@@ -48,6 +48,143 @@
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
+static struct gss_api_mech gss_kerberos_mech; /* forward declaration */
+
+static const struct gss_krb5_enctype supported_gss_krb5_enctypes[] = {
+ /*
+ * DES (All DES enctypes are mapped to the same gss functionality)
+ */
+ {
+ .etype = ENCTYPE_DES_CBC_RAW,
+ .ctype = CKSUMTYPE_RSA_MD5,
+ .name = "des-cbc-crc",
+ .encrypt_name = "cbc(des)",
+ .cksum_name = "md5",
+ .encrypt = krb5_encrypt,
+ .decrypt = krb5_decrypt,
+ .mk_key = NULL,
+ .signalg = SGN_ALG_DES_MAC_MD5,
+ .sealalg = SEAL_ALG_DES,
+ .keybytes = 7,
+ .keylength = 8,
+ .blocksize = 8,
+ .conflen = 8,
+ .cksumlength = 8,
+ .keyed_cksum = 0,
+ },
+ /*
+ * RC4-HMAC
+ */
+ {
+ .etype = ENCTYPE_ARCFOUR_HMAC,
+ .ctype = CKSUMTYPE_HMAC_MD5_ARCFOUR,
+ .name = "rc4-hmac",
+ .encrypt_name = "ecb(arc4)",
+ .cksum_name = "hmac(md5)",
+ .encrypt = krb5_encrypt,
+ .decrypt = krb5_decrypt,
+ .mk_key = NULL,
+ .signalg = SGN_ALG_HMAC_MD5,
+ .sealalg = SEAL_ALG_MICROSOFT_RC4,
+ .keybytes = 16,
+ .keylength = 16,
+ .blocksize = 1,
+ .conflen = 8,
+ .cksumlength = 8,
+ .keyed_cksum = 1,
+ },
+ /*
+ * 3DES
+ */
+ {
+ .etype = ENCTYPE_DES3_CBC_RAW,
+ .ctype = CKSUMTYPE_HMAC_SHA1_DES3,
+ .name = "des3-hmac-sha1",
+ .encrypt_name = "cbc(des3_ede)",
+ .cksum_name = "hmac(sha1)",
+ .encrypt = krb5_encrypt,
+ .decrypt = krb5_decrypt,
+ .mk_key = gss_krb5_des3_make_key,
+ .signalg = SGN_ALG_HMAC_SHA1_DES3_KD,
+ .sealalg = SEAL_ALG_DES3KD,
+ .keybytes = 21,
+ .keylength = 24,
+ .blocksize = 8,
+ .conflen = 8,
+ .cksumlength = 20,
+ .keyed_cksum = 1,
+ },
+ /*
+ * AES128
+ */
+ {
+ .etype = ENCTYPE_AES128_CTS_HMAC_SHA1_96,
+ .ctype = CKSUMTYPE_HMAC_SHA1_96_AES128,
+ .name = "aes128-cts",
+ .encrypt_name = "cts(cbc(aes))",
+ .cksum_name = "hmac(sha1)",
+ .encrypt = krb5_encrypt,
+ .decrypt = krb5_decrypt,
+ .mk_key = gss_krb5_aes_make_key,
+ .encrypt_v2 = gss_krb5_aes_encrypt,
+ .decrypt_v2 = gss_krb5_aes_decrypt,
+ .signalg = -1,
+ .sealalg = -1,
+ .keybytes = 16,
+ .keylength = 16,
+ .blocksize = 16,
+ .conflen = 16,
+ .cksumlength = 12,
+ .keyed_cksum = 1,
+ },
+ /*
+ * AES256
+ */
+ {
+ .etype = ENCTYPE_AES256_CTS_HMAC_SHA1_96,
+ .ctype = CKSUMTYPE_HMAC_SHA1_96_AES256,
+ .name = "aes256-cts",
+ .encrypt_name = "cts(cbc(aes))",
+ .cksum_name = "hmac(sha1)",
+ .encrypt = krb5_encrypt,
+ .decrypt = krb5_decrypt,
+ .mk_key = gss_krb5_aes_make_key,
+ .encrypt_v2 = gss_krb5_aes_encrypt,
+ .decrypt_v2 = gss_krb5_aes_decrypt,
+ .signalg = -1,
+ .sealalg = -1,
+ .keybytes = 32,
+ .keylength = 32,
+ .blocksize = 16,
+ .conflen = 16,
+ .cksumlength = 12,
+ .keyed_cksum = 1,
+ },
+};
+
+static const int num_supported_enctypes =
+ ARRAY_SIZE(supported_gss_krb5_enctypes);
+
+static int
+supported_gss_krb5_enctype(int etype)
+{
+ int i;
+ for (i = 0; i < num_supported_enctypes; i++)
+ if (supported_gss_krb5_enctypes[i].etype == etype)
+ return 1;
+ return 0;
+}
+
+static const struct gss_krb5_enctype *
+get_gss_krb5_enctype(int etype)
+{
+ int i;
+ for (i = 0; i < num_supported_enctypes; i++)
+ if (supported_gss_krb5_enctypes[i].etype == etype)
+ return &supported_gss_krb5_enctypes[i];
+ return NULL;
+}
+
static const void *
simple_get_bytes(const void *p, const void *end, void *res, int len)
{
@@ -78,35 +215,45 @@ simple_get_netobj(const void *p, const v
}
static inline const void *
-get_key(const void *p, const void *end, struct crypto_blkcipher **res)
+get_key(const void *p, const void *end,
+ struct krb5_ctx *ctx, struct crypto_blkcipher **res)
{
struct xdr_netobj key;
int alg;
- char *alg_name;
p = simple_get_bytes(p, end, &alg, sizeof(alg));
if (IS_ERR(p))
goto out_err;
+
+ switch (alg) {
+ case ENCTYPE_DES_CBC_CRC:
+ case ENCTYPE_DES_CBC_MD4:
+ case ENCTYPE_DES_CBC_MD5:
+ /* Map all these key types to ENCTYPE_DES_CBC_RAW */
+ alg = ENCTYPE_DES_CBC_RAW;
+ break;
+ }
+
+ if (!supported_gss_krb5_enctype(alg)) {
+ printk(KERN_WARNING "gss_kerberos_mech: unsupported "
+ "encryption key algorithm %d\n", alg);
+ goto out_err;
+ }
p = simple_get_netobj(p, end, &key);
if (IS_ERR(p))
goto out_err;
- switch (alg) {
- case ENCTYPE_DES_CBC_RAW:
- alg_name = "cbc(des)";
- break;
- default:
- printk("gss_kerberos_mech: unsupported algorithm %d\n", alg);
- goto out_err_free_key;
- }
- *res = crypto_alloc_blkcipher(alg_name, 0, CRYPTO_ALG_ASYNC);
+ *res = crypto_alloc_blkcipher(ctx->gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
if (IS_ERR(*res)) {
- printk("gss_kerberos_mech: unable to initialize crypto algorithm %s\n", alg_name);
+ printk(KERN_WARNING "gss_kerberos_mech: unable to initialize "
+ "crypto algorithm %s\n", ctx->gk5e->encrypt_name);
*res = NULL;
goto out_err_free_key;
}
if (crypto_blkcipher_setkey(*res, key.data, key.len)) {
- printk("gss_kerberos_mech: error setting key for crypto algorithm %s\n", alg_name);
+ printk(KERN_WARNING "gss_kerberos_mech: error setting key for "
+ "crypto algorithm %s\n", ctx->gk5e->encrypt_name);
goto out_err_free_tfm;
}
@@ -123,56 +270,55 @@ out_err:
}
static int
-gss_import_sec_context_kerberos(const void *p,
- size_t len,
- struct gss_ctx *ctx_id)
+gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx)
{
- const void *end = (const void *)((const char *)p + len);
- struct krb5_ctx *ctx;
int tmp;
- if (!(ctx = kzalloc(sizeof(*ctx), GFP_NOFS))) {
- p = ERR_PTR(-ENOMEM);
- goto out_err;
- }
-
p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate));
if (IS_ERR(p))
- goto out_err_free_ctx;
+ goto out_err;
+
+ /* Old format supports only DES! Any other enctype uses new format */
+ ctx->enctype = ENCTYPE_DES_CBC_RAW;
+
+ ctx->gk5e = get_gss_krb5_enctype(ctx->enctype);
+ if (ctx->gk5e == NULL)
+ goto out_err;
+
/* The downcall format was designed before we completely understood
* the uses of the context fields; so it includes some stuff we
* just give some minimal sanity-checking, and some we ignore
* completely (like the next twenty bytes): */
if (unlikely(p + 20 > end || p + 20 < p))
- goto out_err_free_ctx;
+ goto out_err;
p += 20;
p = simple_get_bytes(p, end, &tmp, sizeof(tmp));
if (IS_ERR(p))
- goto out_err_free_ctx;
+ goto out_err;
if (tmp != SGN_ALG_DES_MAC_MD5) {
p = ERR_PTR(-ENOSYS);
- goto out_err_free_ctx;
+ goto out_err;
}
p = simple_get_bytes(p, end, &tmp, sizeof(tmp));
if (IS_ERR(p))
- goto out_err_free_ctx;
+ goto out_err;
if (tmp != SEAL_ALG_DES) {
p = ERR_PTR(-ENOSYS);
- goto out_err_free_ctx;
+ goto out_err;
}
p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime));
if (IS_ERR(p))
- goto out_err_free_ctx;
+ goto out_err;
p = simple_get_bytes(p, end, &ctx->seq_send, sizeof(ctx->seq_send));
if (IS_ERR(p))
- goto out_err_free_ctx;
+ goto out_err;
p = simple_get_netobj(p, end, &ctx->mech_used);
if (IS_ERR(p))
- goto out_err_free_ctx;
- p = get_key(p, end, &ctx->enc);
+ goto out_err;
+ p = get_key(p, end, ctx, &ctx->enc);
if (IS_ERR(p))
goto out_err_free_mech;
- p = get_key(p, end, &ctx->seq);
+ p = get_key(p, end, ctx, &ctx->seq);
if (IS_ERR(p))
goto out_err_free_key1;
if (p != end) {
@@ -180,9 +326,6 @@ gss_import_sec_context_kerberos(const vo
goto out_err_free_key2;
}
- ctx_id->internal_ctx_id = ctx;
-
- dprintk("RPC: Successfully imported new context.\n");
return 0;
out_err_free_key2:
@@ -191,18 +334,378 @@ out_err_free_key1:
crypto_free_blkcipher(ctx->enc);
out_err_free_mech:
kfree(ctx->mech_used.data);
-out_err_free_ctx:
- kfree(ctx);
out_err:
return PTR_ERR(p);
}
+struct crypto_blkcipher *
+context_v2_alloc_cipher(struct krb5_ctx *ctx, const char *cname, u8 *key)
+{
+ struct crypto_blkcipher *cp;
+
+ cp = crypto_alloc_blkcipher(cname, 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(cp)) {
+ dprintk("gss_kerberos_mech: unable to initialize "
+ "crypto algorithm %s\n", cname);
+ return NULL;
+ }
+ if (crypto_blkcipher_setkey(cp, key, ctx->gk5e->keylength)) {
+ dprintk("gss_kerberos_mech: error setting key for "
+ "crypto algorithm %s\n", cname);
+ crypto_free_blkcipher(cp);
+ return NULL;
+ }
+ return cp;
+}
+
+static inline void
+set_cdata(u8 cdata[GSS_KRB5_K5CLENGTH], u32 usage, u8 seed)
+{
+ cdata[0] = (usage>>24)&0xff;
+ cdata[1] = (usage>>16)&0xff;
+ cdata[2] = (usage>>8)&0xff;
+ cdata[3] = usage&0xff;
+ cdata[4] = seed;
+}
+
+static int
+context_derive_keys_des3(struct krb5_ctx *ctx, gfp_t gfp_mask)
+{
+ struct xdr_netobj c, keyin, keyout;
+ u8 cdata[GSS_KRB5_K5CLENGTH];
+ u32 err;
+
+ c.len = GSS_KRB5_K5CLENGTH;
+ c.data = cdata;
+
+ keyin.data = ctx->Ksess;
+ keyin.len = ctx->gk5e->keylength;
+ keyout.len = ctx->gk5e->keylength;
+
+ /* seq uses the raw key */
+ ctx->seq = context_v2_alloc_cipher(ctx, ctx->gk5e->encrypt_name,
+ ctx->Ksess);
+ if (ctx->seq == NULL)
+ goto out_err;
+
+ ctx->enc = context_v2_alloc_cipher(ctx, ctx->gk5e->encrypt_name,
+ ctx->Ksess);
+ if (ctx->enc == NULL)
+ goto out_free_seq;
+
+ /* derive cksum */
+ set_cdata(cdata, KG_USAGE_SIGN, KEY_USAGE_SEED_CHECKSUM);
+ keyout.data = ctx->cksum;
+ err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
+ if (err) {
+ dprintk("%s: Error %d deriving cksum key\n",
+ __func__, err);
+ goto out_free_enc;
+ }
+
+ return 0;
+
+out_free_enc:
+ crypto_free_blkcipher(ctx->enc);
+out_free_seq:
+ crypto_free_blkcipher(ctx->seq);
+out_err:
+ return -EINVAL;
+}
+
+/*
+ * Note that RC4 depends on deriving keys using the sequence
+ * number or the checksum of a token. Therefore, the final keys
+ * cannot be calculated until the token is being constructed!
+ */
+static int
+context_derive_keys_rc4(struct krb5_ctx *ctx)
+{
+ struct crypto_hash *hmac;
+ char sigkeyconstant[] = "signaturekey";
+ int slen = strlen(sigkeyconstant) + 1; /* include null terminator */
+ struct hash_desc desc;
+ struct scatterlist sg[1];
+ int err;
+
+ dprintk("RPC: %s: entered\n", __func__);
+ /*
+ * derive cksum (aka Ksign) key
+ */
+ hmac = crypto_alloc_hash(ctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(hmac)) {
+ dprintk("%s: error %ld allocating hash '%s'\n",
+ __func__, PTR_ERR(hmac), ctx->gk5e->cksum_name);
+ err = PTR_ERR(hmac);
+ goto out_err;
+ }
+
+ err = crypto_hash_setkey(hmac, ctx->Ksess, ctx->gk5e->keylength);
+ if (err)
+ goto out_err_free_hmac;
+
+ sg_init_table(sg, 1);
+ sg_set_buf(sg, sigkeyconstant, slen);
+
+ desc.tfm = hmac;
+ desc.flags = 0;
+
+ err = crypto_hash_init(&desc);
+ if (err)
+ goto out_err_free_hmac;
+
+ err = crypto_hash_digest(&desc, sg, slen, ctx->cksum);
+ if (err)
+ goto out_err_free_hmac;
+ /*
+ * allocate hash, and blkciphers for data and seqnum encryption
+ */
+ ctx->enc = crypto_alloc_blkcipher(ctx->gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(ctx->enc)) {
+ err = PTR_ERR(ctx->enc);
+ goto out_err_free_hmac;
+ }
+
+ ctx->seq = crypto_alloc_blkcipher(ctx->gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(ctx->seq)) {
+ crypto_free_blkcipher(ctx->enc);
+ err = PTR_ERR(ctx->seq);
+ goto out_err_free_hmac;
+ }
+
+ dprintk("RPC: %s: returning success\n", __func__);
+
+ err = 0;
+
+out_err_free_hmac:
+ crypto_free_hash(hmac);
+out_err:
+ dprintk("RPC: %s: returning %d\n", __func__, err);
+ return err;
+}
+
+static int
+context_derive_keys_new(struct krb5_ctx *ctx, gfp_t gfp_mask)
+{
+ struct xdr_netobj c, keyin, keyout;
+ u8 cdata[GSS_KRB5_K5CLENGTH];
+ u32 err;
+
+ c.len = GSS_KRB5_K5CLENGTH;
+ c.data = cdata;
+
+ keyin.data = ctx->Ksess;
+ keyin.len = ctx->gk5e->keylength;
+ keyout.len = ctx->gk5e->keylength;
+
+ /* initiator seal encryption */
+ set_cdata(cdata, KG_USAGE_INITIATOR_SEAL, KEY_USAGE_SEED_ENCRYPTION);
+ keyout.data = ctx->initiator_seal;
+ err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
+ if (err) {
+ dprintk("%s: Error %d deriving initiator_seal key\n",
+ __func__, err);
+ goto out_err;
+ }
+ ctx->initiator_enc = context_v2_alloc_cipher(ctx,
+ ctx->gk5e->encrypt_name,
+ ctx->initiator_seal);
+ if (ctx->initiator_enc == NULL)
+ goto out_err;
+
+ /* acceptor seal encryption */
+ set_cdata(cdata, KG_USAGE_ACCEPTOR_SEAL, KEY_USAGE_SEED_ENCRYPTION);
+ keyout.data = ctx->acceptor_seal;
+ err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
+ if (err) {
+ dprintk("%s: Error %d deriving acceptor_seal key\n",
+ __func__, err);
+ goto out_free_initiator_enc;
+ }
+ ctx->acceptor_enc = context_v2_alloc_cipher(ctx,
+ ctx->gk5e->encrypt_name,
+ ctx->acceptor_seal);
+ if (ctx->acceptor_enc == NULL)
+ goto out_free_initiator_enc;
+
+ /* initiator sign checksum */
+ set_cdata(cdata, KG_USAGE_INITIATOR_SIGN, KEY_USAGE_SEED_CHECKSUM);
+ keyout.data = ctx->initiator_sign;
+ err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
+ if (err) {
+ dprintk("%s: Error %d deriving initiator_sign key\n",
+ __func__, err);
+ goto out_free_acceptor_enc;
+ }
+
+ /* acceptor sign checksum */
+ set_cdata(cdata, KG_USAGE_ACCEPTOR_SIGN, KEY_USAGE_SEED_CHECKSUM);
+ keyout.data = ctx->acceptor_sign;
+ err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
+ if (err) {
+ dprintk("%s: Error %d deriving acceptor_sign key\n",
+ __func__, err);
+ goto out_free_acceptor_enc;
+ }
+
+ /* initiator seal integrity */
+ set_cdata(cdata, KG_USAGE_INITIATOR_SEAL, KEY_USAGE_SEED_INTEGRITY);
+ keyout.data = ctx->initiator_integ;
+ err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
+ if (err) {
+ dprintk("%s: Error %d deriving initiator_integ key\n",
+ __func__, err);
+ goto out_free_acceptor_enc;
+ }
+
+ /* acceptor seal integrity */
+ set_cdata(cdata, KG_USAGE_ACCEPTOR_SEAL, KEY_USAGE_SEED_INTEGRITY);
+ keyout.data = ctx->acceptor_integ;
+ err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
+ if (err) {
+ dprintk("%s: Error %d deriving acceptor_integ key\n",
+ __func__, err);
+ goto out_free_acceptor_enc;
+ }
+
+ switch (ctx->enctype) {
+ case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
+ case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
+ ctx->initiator_enc_aux =
+ context_v2_alloc_cipher(ctx, "cbc(aes)",
+ ctx->initiator_seal);
+ if (ctx->initiator_enc_aux == NULL)
+ goto out_free_acceptor_enc;
+ ctx->acceptor_enc_aux =
+ context_v2_alloc_cipher(ctx, "cbc(aes)",
+ ctx->acceptor_seal);
+ if (ctx->acceptor_enc_aux == NULL) {
+ crypto_free_blkcipher(ctx->initiator_enc_aux);
+ goto out_free_acceptor_enc;
+ }
+ }
+
+ return 0;
+
+out_free_acceptor_enc:
+ crypto_free_blkcipher(ctx->acceptor_enc);
+out_free_initiator_enc:
+ crypto_free_blkcipher(ctx->initiator_enc);
+out_err:
+ return -EINVAL;
+}
+
+static int
+gss_import_v2_context(const void *p, const void *end, struct krb5_ctx *ctx,
+ gfp_t gfp_mask)
+{
+ int keylen;
+
+ p = simple_get_bytes(p, end, &ctx->flags, sizeof(ctx->flags));
+ if (IS_ERR(p))
+ goto out_err;
+ ctx->initiate = ctx->flags & KRB5_CTX_FLAG_INITIATOR;
+
+ p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime));
+ if (IS_ERR(p))
+ goto out_err;
+ p = simple_get_bytes(p, end, &ctx->seq_send64, sizeof(ctx->seq_send64));
+ if (IS_ERR(p))
+ goto out_err;
+ /* set seq_send for use by "older" enctypes */
+ ctx->seq_send = ctx->seq_send64;
+ if (ctx->seq_send64 != ctx->seq_send) {
+ dprintk("%s: seq_send64 %lx, seq_send %x overflow?\n", __func__,
+ (long unsigned)ctx->seq_send64, ctx->seq_send);
+ goto out_err;
+ }
+ p = simple_get_bytes(p, end, &ctx->enctype, sizeof(ctx->enctype));
+ if (IS_ERR(p))
+ goto out_err;
+ /* Map ENCTYPE_DES3_CBC_SHA1 to ENCTYPE_DES3_CBC_RAW */
+ if (ctx->enctype == ENCTYPE_DES3_CBC_SHA1)
+ ctx->enctype = ENCTYPE_DES3_CBC_RAW;
+ ctx->gk5e = get_gss_krb5_enctype(ctx->enctype);
+ if (ctx->gk5e == NULL) {
+ dprintk("gss_kerberos_mech: unsupported krb5 enctype %u\n",
+ ctx->enctype);
+ p = ERR_PTR(-EINVAL);
+ goto out_err;
+ }
+ keylen = ctx->gk5e->keylength;
+
+ p = simple_get_bytes(p, end, ctx->Ksess, keylen);
+ if (IS_ERR(p))
+ goto out_err;
+
+ if (p != end) {
+ p = ERR_PTR(-EINVAL);
+ goto out_err;
+ }
+
+ ctx->mech_used.data = kmemdup(gss_kerberos_mech.gm_oid.data,
+ gss_kerberos_mech.gm_oid.len, gfp_mask);
+ if (unlikely(ctx->mech_used.data == NULL)) {
+ p = ERR_PTR(-ENOMEM);
+ goto out_err;
+ }
+ ctx->mech_used.len = gss_kerberos_mech.gm_oid.len;
+
+ switch (ctx->enctype) {
+ case ENCTYPE_DES3_CBC_RAW:
+ return context_derive_keys_des3(ctx, gfp_mask);
+ case ENCTYPE_ARCFOUR_HMAC:
+ return context_derive_keys_rc4(ctx);
+ case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
+ case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
+ return context_derive_keys_new(ctx, gfp_mask);
+ default:
+ return -EINVAL;
+ }
+
+out_err:
+ return PTR_ERR(p);
+}
+
+static int
+gss_import_sec_context_kerberos(const void *p, size_t len,
+ struct gss_ctx *ctx_id,
+ gfp_t gfp_mask)
+{
+ const void *end = (const void *)((const char *)p + len);
+ struct krb5_ctx *ctx;
+ int ret;
+
+ ctx = kzalloc(sizeof(*ctx), gfp_mask);
+ if (ctx == NULL)
+ return -ENOMEM;
+
+ if (len == 85)
+ ret = gss_import_v1_context(p, end, ctx);
+ else
+ ret = gss_import_v2_context(p, end, ctx, gfp_mask);
+
+ if (ret == 0)
+ ctx_id->internal_ctx_id = ctx;
+ else
+ kfree(ctx);
+
+ dprintk("RPC: %s: returning %d\n", __func__, ret);
+ return ret;
+}
+
static void
gss_delete_sec_context_kerberos(void *internal_ctx) {
struct krb5_ctx *kctx = internal_ctx;
crypto_free_blkcipher(kctx->seq);
crypto_free_blkcipher(kctx->enc);
+ crypto_free_blkcipher(kctx->acceptor_enc);
+ crypto_free_blkcipher(kctx->initiator_enc);
+ crypto_free_blkcipher(kctx->acceptor_enc_aux);
+ crypto_free_blkcipher(kctx->initiator_enc_aux);
kfree(kctx->mech_used.data);
kfree(kctx);
}
@@ -241,6 +744,7 @@ static struct gss_api_mech gss_kerberos_
.gm_ops = &gss_kerberos_ops,
.gm_pf_num = ARRAY_SIZE(gss_kerberos_pfs),
.gm_pfs = gss_kerberos_pfs,
+ .gm_upcall_enctypes = "enctypes=18,17,16,23,3,1,2 ",
};
static int __init init_kerberos_module(void)
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seal.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seal.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seal.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seal.c 2010-08-23 11:01:00.392564136 -0400
@@ -3,7 +3,7 @@
*
* Adapted from MIT Kerberos 5-1.2.1 lib/gssapi/krb5/k5seal.c
*
- * Copyright (c) 2000 The Regents of the University of Michigan.
+ * Copyright (c) 2000-2008 The Regents of the University of Michigan.
* All rights reserved.
*
* Andy Adamson <andros@umich.edu>
@@ -70,53 +70,154 @@
DEFINE_SPINLOCK(krb5_seq_lock);
-u32
-gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text,
+static char *
+setup_token(struct krb5_ctx *ctx, struct xdr_netobj *token)
+{
+ __be16 *ptr, *krb5_hdr;
+ int body_size = GSS_KRB5_TOK_HDR_LEN + ctx->gk5e->cksumlength;
+
+ token->len = g_token_size(&ctx->mech_used, body_size);
+
+ ptr = (__be16 *)token->data;
+ g_make_token_header(&ctx->mech_used, body_size, (unsigned char **)&ptr);
+
+ /* ptr now at start of header described in rfc 1964, section 1.2.1: */
+ krb5_hdr = ptr;
+ *ptr++ = KG_TOK_MIC_MSG;
+ *ptr++ = cpu_to_le16(ctx->gk5e->signalg);
+ *ptr++ = SEAL_ALG_NONE;
+ *ptr++ = 0xffff;
+
+ return (char *)krb5_hdr;
+}
+
+static void *
+setup_token_v2(struct krb5_ctx *ctx, struct xdr_netobj *token)
+{
+ __be16 *ptr, *krb5_hdr;
+ u8 *p, flags = 0x00;
+
+ if ((ctx->flags & KRB5_CTX_FLAG_INITIATOR) == 0)
+ flags |= 0x01;
+ if (ctx->flags & KRB5_CTX_FLAG_ACCEPTOR_SUBKEY)
+ flags |= 0x04;
+
+ /* Per rfc 4121, sec 4.2.6.1, there is no header,
+ * just start the token */
+ krb5_hdr = ptr = (__be16 *)token->data;
+
+ *ptr++ = KG2_TOK_MIC;
+ p = (u8 *)ptr;
+ *p++ = flags;
+ *p++ = 0xff;
+ ptr = (__be16 *)p;
+ *ptr++ = 0xffff;
+ *ptr++ = 0xffff;
+
+ token->len = GSS_KRB5_TOK_HDR_LEN + ctx->gk5e->cksumlength;
+ return krb5_hdr;
+}
+
+static u32
+gss_get_mic_v1(struct krb5_ctx *ctx, struct xdr_buf *text,
struct xdr_netobj *token)
{
- struct krb5_ctx *ctx = gss_ctx->internal_ctx_id;
- char cksumdata[16];
- struct xdr_netobj md5cksum = {.len = 0, .data = cksumdata};
- unsigned char *ptr, *msg_start;
+ char cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ struct xdr_netobj md5cksum = {.len = sizeof(cksumdata),
+ .data = cksumdata};
+ void *ptr;
s32 now;
u32 seq_send;
+ u8 *cksumkey;
- dprintk("RPC: gss_krb5_seal\n");
+ dprintk("RPC: %s\n", __func__);
BUG_ON(ctx == NULL);
now = get_seconds();
- token->len = g_token_size(&ctx->mech_used, GSS_KRB5_TOK_HDR_LEN + 8);
+ ptr = setup_token(ctx, token);
- ptr = token->data;
- g_make_token_header(&ctx->mech_used, GSS_KRB5_TOK_HDR_LEN + 8, &ptr);
+ if (ctx->gk5e->keyed_cksum)
+ cksumkey = ctx->cksum;
+ else
+ cksumkey = NULL;
- /* ptr now at header described in rfc 1964, section 1.2.1: */
- ptr[0] = (unsigned char) ((KG_TOK_MIC_MSG >> 8) & 0xff);
- ptr[1] = (unsigned char) (KG_TOK_MIC_MSG & 0xff);
+ if (make_checksum(ctx, ptr, 8, text, 0, cksumkey,
+ KG_USAGE_SIGN, &md5cksum))
+ return GSS_S_FAILURE;
- msg_start = ptr + GSS_KRB5_TOK_HDR_LEN + 8;
+ memcpy(ptr + GSS_KRB5_TOK_HDR_LEN, md5cksum.data, md5cksum.len);
- *(__be16 *)(ptr + 2) = htons(SGN_ALG_DES_MAC_MD5);
- memset(ptr + 4, 0xff, 4);
+ spin_lock(&krb5_seq_lock);
+ seq_send = ctx->seq_send++;
+ spin_unlock(&krb5_seq_lock);
- if (make_checksum("md5", ptr, 8, text, 0, &md5cksum))
+ if (krb5_make_seq_num(ctx, ctx->seq, ctx->initiate ? 0 : 0xff,
+ seq_send, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8))
return GSS_S_FAILURE;
- if (krb5_encrypt(ctx->seq, NULL, md5cksum.data,
- md5cksum.data, md5cksum.len))
- return GSS_S_FAILURE;
+ return (ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;
+}
+
+u32
+gss_get_mic_v2(struct krb5_ctx *ctx, struct xdr_buf *text,
+ struct xdr_netobj *token)
+{
+ char cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ struct xdr_netobj cksumobj = { .len = sizeof(cksumdata),
+ .data = cksumdata};
+ void *krb5_hdr;
+ s32 now;
+ u64 seq_send;
+ u8 *cksumkey;
+ unsigned int cksum_usage;
+
+ dprintk("RPC: %s\n", __func__);
- memcpy(ptr + GSS_KRB5_TOK_HDR_LEN, md5cksum.data + md5cksum.len - 8, 8);
+ krb5_hdr = setup_token_v2(ctx, token);
+ /* Set up the sequence number. Now 64-bits in clear
+ * text and w/o direction indicator */
spin_lock(&krb5_seq_lock);
- seq_send = ctx->seq_send++;
+ seq_send = ctx->seq_send64++;
spin_unlock(&krb5_seq_lock);
+ *((u64 *)(krb5_hdr + 8)) = cpu_to_be64(seq_send);
- if (krb5_make_seq_num(ctx->seq, ctx->initiate ? 0 : 0xff,
- seq_send, ptr + GSS_KRB5_TOK_HDR_LEN,
- ptr + 8))
+ if (ctx->initiate) {
+ cksumkey = ctx->initiator_sign;
+ cksum_usage = KG_USAGE_INITIATOR_SIGN;
+ } else {
+ cksumkey = ctx->acceptor_sign;
+ cksum_usage = KG_USAGE_ACCEPTOR_SIGN;
+ }
+
+ if (make_checksum_v2(ctx, krb5_hdr, GSS_KRB5_TOK_HDR_LEN,
+ text, 0, cksumkey, cksum_usage, &cksumobj))
return GSS_S_FAILURE;
+ memcpy(krb5_hdr + GSS_KRB5_TOK_HDR_LEN, cksumobj.data, cksumobj.len);
+
+ now = get_seconds();
+
return (ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;
}
+
+u32
+gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text,
+ struct xdr_netobj *token)
+{
+ struct krb5_ctx *ctx = gss_ctx->internal_ctx_id;
+
+ switch (ctx->enctype) {
+ default:
+ BUG();
+ case ENCTYPE_DES_CBC_RAW:
+ case ENCTYPE_DES3_CBC_RAW:
+ case ENCTYPE_ARCFOUR_HMAC:
+ return gss_get_mic_v1(ctx, text, token);
+ case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
+ case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
+ return gss_get_mic_v2(ctx, text, token);
+ }
+}
+
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seqnum.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seqnum.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seqnum.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_seqnum.c 2010-08-23 11:01:00.393496180 -0400
@@ -39,14 +39,51 @@
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
+static s32
+krb5_make_rc4_seq_num(struct krb5_ctx *kctx, int direction, s32 seqnum,
+ unsigned char *cksum, unsigned char *buf)
+{
+ struct crypto_blkcipher *cipher;
+ unsigned char plain[8];
+ s32 code;
+
+ dprintk("RPC: %s:\n", __func__);
+ cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(cipher))
+ return PTR_ERR(cipher);
+
+ plain[0] = (unsigned char) ((seqnum >> 24) & 0xff);
+ plain[1] = (unsigned char) ((seqnum >> 16) & 0xff);
+ plain[2] = (unsigned char) ((seqnum >> 8) & 0xff);
+ plain[3] = (unsigned char) ((seqnum >> 0) & 0xff);
+ plain[4] = direction;
+ plain[5] = direction;
+ plain[6] = direction;
+ plain[7] = direction;
+
+ code = krb5_rc4_setup_seq_key(kctx, cipher, cksum);
+ if (code)
+ goto out;
+
+ code = krb5_encrypt(cipher, cksum, plain, buf, 8);
+out:
+ crypto_free_blkcipher(cipher);
+ return code;
+}
s32
-krb5_make_seq_num(struct crypto_blkcipher *key,
+krb5_make_seq_num(struct krb5_ctx *kctx,
+ struct crypto_blkcipher *key,
int direction,
u32 seqnum,
unsigned char *cksum, unsigned char *buf)
{
unsigned char plain[8];
+ if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC)
+ return krb5_make_rc4_seq_num(kctx, direction, seqnum,
+ cksum, buf);
+
plain[0] = (unsigned char) (seqnum & 0xff);
plain[1] = (unsigned char) ((seqnum >> 8) & 0xff);
plain[2] = (unsigned char) ((seqnum >> 16) & 0xff);
@@ -60,17 +97,59 @@ krb5_make_seq_num(struct crypto_blkciphe
return krb5_encrypt(key, cksum, plain, buf, 8);
}
+static s32
+krb5_get_rc4_seq_num(struct krb5_ctx *kctx, unsigned char *cksum,
+ unsigned char *buf, int *direction, s32 *seqnum)
+{
+ struct crypto_blkcipher *cipher;
+ unsigned char plain[8];
+ s32 code;
+
+ dprintk("RPC: %s:\n", __func__);
+ cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(cipher))
+ return PTR_ERR(cipher);
+
+ code = krb5_rc4_setup_seq_key(kctx, cipher, cksum);
+ if (code)
+ goto out;
+
+ code = krb5_decrypt(cipher, cksum, buf, plain, 8);
+ if (code)
+ goto out;
+
+ if ((plain[4] != plain[5]) || (plain[4] != plain[6])
+ || (plain[4] != plain[7])) {
+ code = (s32)KG_BAD_SEQ;
+ goto out;
+ }
+
+ *direction = plain[4];
+
+ *seqnum = ((plain[0] << 24) | (plain[1] << 16) |
+ (plain[2] << 8) | (plain[3]));
+out:
+ crypto_free_blkcipher(cipher);
+ return code;
+}
+
s32
-krb5_get_seq_num(struct crypto_blkcipher *key,
+krb5_get_seq_num(struct krb5_ctx *kctx,
unsigned char *cksum,
unsigned char *buf,
int *direction, u32 *seqnum)
{
s32 code;
unsigned char plain[8];
+ struct crypto_blkcipher *key = kctx->seq;
dprintk("RPC: krb5_get_seq_num:\n");
+ if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC)
+ return krb5_get_rc4_seq_num(kctx, cksum, buf,
+ direction, seqnum);
+
if ((code = krb5_decrypt(key, cksum, buf, plain, 8)))
return code;
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_unseal.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_unseal.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_unseal.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_unseal.c 2010-08-23 11:01:00.393496180 -0400
@@ -3,7 +3,7 @@
*
* Adapted from MIT Kerberos 5-1.2.1 lib/gssapi/krb5/k5unseal.c
*
- * Copyright (c) 2000 The Regents of the University of Michigan.
+ * Copyright (c) 2000-2008 The Regents of the University of Michigan.
* All rights reserved.
*
* Andy Adamson <andros@umich.edu>
@@ -70,20 +70,21 @@
/* read_token is a mic token, and message_buffer is the data that the mic was
* supposedly taken over. */
-u32
-gss_verify_mic_kerberos(struct gss_ctx *gss_ctx,
+static u32
+gss_verify_mic_v1(struct krb5_ctx *ctx,
struct xdr_buf *message_buffer, struct xdr_netobj *read_token)
{
- struct krb5_ctx *ctx = gss_ctx->internal_ctx_id;
int signalg;
int sealalg;
- char cksumdata[16];
- struct xdr_netobj md5cksum = {.len = 0, .data = cksumdata};
+ char cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ struct xdr_netobj md5cksum = {.len = sizeof(cksumdata),
+ .data = cksumdata};
s32 now;
int direction;
u32 seqnum;
unsigned char *ptr = (unsigned char *)read_token->data;
int bodysize;
+ u8 *cksumkey;
dprintk("RPC: krb5_read_token\n");
@@ -98,7 +99,7 @@ gss_verify_mic_kerberos(struct gss_ctx *
/* XXX sanity-check bodysize?? */
signalg = ptr[2] + (ptr[3] << 8);
- if (signalg != SGN_ALG_DES_MAC_MD5)
+ if (signalg != ctx->gk5e->signalg)
return GSS_S_DEFECTIVE_TOKEN;
sealalg = ptr[4] + (ptr[5] << 8);
@@ -108,13 +109,17 @@ gss_verify_mic_kerberos(struct gss_ctx *
if ((ptr[6] != 0xff) || (ptr[7] != 0xff))
return GSS_S_DEFECTIVE_TOKEN;
- if (make_checksum("md5", ptr, 8, message_buffer, 0, &md5cksum))
- return GSS_S_FAILURE;
+ if (ctx->gk5e->keyed_cksum)
+ cksumkey = ctx->cksum;
+ else
+ cksumkey = NULL;
- if (krb5_encrypt(ctx->seq, NULL, md5cksum.data, md5cksum.data, 16))
+ if (make_checksum(ctx, ptr, 8, message_buffer, 0,
+ cksumkey, KG_USAGE_SIGN, &md5cksum))
return GSS_S_FAILURE;
- if (memcmp(md5cksum.data + 8, ptr + GSS_KRB5_TOK_HDR_LEN, 8))
+ if (memcmp(md5cksum.data, ptr + GSS_KRB5_TOK_HDR_LEN,
+ ctx->gk5e->cksumlength))
return GSS_S_BAD_SIG;
/* it got through unscathed. Make sure the context is unexpired */
@@ -126,7 +131,8 @@ gss_verify_mic_kerberos(struct gss_ctx *
/* do sequencing checks */
- if (krb5_get_seq_num(ctx->seq, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8, &direction, &seqnum))
+ if (krb5_get_seq_num(ctx, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8,
+ &direction, &seqnum))
return GSS_S_FAILURE;
if ((ctx->initiate && direction != 0xff) ||
@@ -135,3 +141,86 @@ gss_verify_mic_kerberos(struct gss_ctx *
return GSS_S_COMPLETE;
}
+
+static u32
+gss_verify_mic_v2(struct krb5_ctx *ctx,
+ struct xdr_buf *message_buffer, struct xdr_netobj *read_token)
+{
+ char cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ struct xdr_netobj cksumobj = {.len = sizeof(cksumdata),
+ .data = cksumdata};
+ s32 now;
+ u64 seqnum;
+ u8 *ptr = read_token->data;
+ u8 *cksumkey;
+ u8 flags;
+ int i;
+ unsigned int cksum_usage;
+
+ dprintk("RPC: %s\n", __func__);
+
+ if (be16_to_cpu(*((__be16 *)ptr)) != KG2_TOK_MIC)
+ return GSS_S_DEFECTIVE_TOKEN;
+
+ flags = ptr[2];
+ if ((!ctx->initiate && (flags & KG2_TOKEN_FLAG_SENTBYACCEPTOR)) ||
+ (ctx->initiate && !(flags & KG2_TOKEN_FLAG_SENTBYACCEPTOR)))
+ return GSS_S_BAD_SIG;
+
+ if (flags & KG2_TOKEN_FLAG_SEALED) {
+ dprintk("%s: token has unexpected sealed flag\n", __func__);
+ return GSS_S_FAILURE;
+ }
+
+ for (i = 3; i < 8; i++)
+ if (ptr[i] != 0xff)
+ return GSS_S_DEFECTIVE_TOKEN;
+
+ if (ctx->initiate) {
+ cksumkey = ctx->acceptor_sign;
+ cksum_usage = KG_USAGE_ACCEPTOR_SIGN;
+ } else {
+ cksumkey = ctx->initiator_sign;
+ cksum_usage = KG_USAGE_INITIATOR_SIGN;
+ }
+
+ if (make_checksum_v2(ctx, ptr, GSS_KRB5_TOK_HDR_LEN, message_buffer, 0,
+ cksumkey, cksum_usage, &cksumobj))
+ return GSS_S_FAILURE;
+
+ if (memcmp(cksumobj.data, ptr + GSS_KRB5_TOK_HDR_LEN,
+ ctx->gk5e->cksumlength))
+ return GSS_S_BAD_SIG;
+
+ /* it got through unscathed. Make sure the context is unexpired */
+ now = get_seconds();
+ if (now > ctx->endtime)
+ return GSS_S_CONTEXT_EXPIRED;
+
+ /* do sequencing checks */
+
+ seqnum = be64_to_cpup((__be64 *)ptr + 8);
+
+ return GSS_S_COMPLETE;
+}
+
+u32
+gss_verify_mic_kerberos(struct gss_ctx *gss_ctx,
+ struct xdr_buf *message_buffer,
+ struct xdr_netobj *read_token)
+{
+ struct krb5_ctx *ctx = gss_ctx->internal_ctx_id;
+
+ switch (ctx->enctype) {
+ default:
+ BUG();
+ case ENCTYPE_DES_CBC_RAW:
+ case ENCTYPE_DES3_CBC_RAW:
+ case ENCTYPE_ARCFOUR_HMAC:
+ return gss_verify_mic_v1(ctx, message_buffer, read_token);
+ case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
+ case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
+ return gss_verify_mic_v2(ctx, message_buffer, read_token);
+ }
+}
+
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_wrap.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_wrap.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_wrap.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_krb5_wrap.c 2010-08-23 11:01:00.394576083 -0400
@@ -1,3 +1,33 @@
+/*
+ * COPYRIGHT (c) 2008
+ * The Regents of the University of Michigan
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization. If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
#include <linux/types.h>
#include <linux/jiffies.h>
#include <linux/sunrpc/gss_krb5.h>
@@ -12,10 +42,7 @@
static inline int
gss_krb5_padding(int blocksize, int length)
{
- /* Most of the code is block-size independent but currently we
- * use only 8: */
- BUG_ON(blocksize != 8);
- return 8 - (length & 7);
+ return blocksize - (length % blocksize);
}
static inline void
@@ -86,8 +113,8 @@ out:
return 0;
}
-static void
-make_confounder(char *p, u32 conflen)
+void
+gss_krb5_make_confounder(char *p, u32 conflen)
{
static u64 i = 0;
u64 *q = (u64 *)p;
@@ -127,69 +154,73 @@ make_confounder(char *p, u32 conflen)
/* XXX factor out common code with seal/unseal. */
-u32
-gss_wrap_kerberos(struct gss_ctx *ctx, int offset,
+static u32
+gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset,
struct xdr_buf *buf, struct page **pages)
{
- struct krb5_ctx *kctx = ctx->internal_ctx_id;
- char cksumdata[16];
- struct xdr_netobj md5cksum = {.len = 0, .data = cksumdata};
+ char cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ struct xdr_netobj md5cksum = {.len = sizeof(cksumdata),
+ .data = cksumdata};
int blocksize = 0, plainlen;
unsigned char *ptr, *msg_start;
s32 now;
int headlen;
struct page **tmp_pages;
u32 seq_send;
+ u8 *cksumkey;
+ u32 conflen = kctx->gk5e->conflen;
- dprintk("RPC: gss_wrap_kerberos\n");
+ dprintk("RPC: %s\n", __func__);
now = get_seconds();
blocksize = crypto_blkcipher_blocksize(kctx->enc);
gss_krb5_add_padding(buf, offset, blocksize);
BUG_ON((buf->len - offset) % blocksize);
- plainlen = blocksize + buf->len - offset;
+ plainlen = conflen + buf->len - offset;
- headlen = g_token_size(&kctx->mech_used, 24 + plainlen) -
- (buf->len - offset);
+ headlen = g_token_size(&kctx->mech_used,
+ GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength + plainlen) -
+ (buf->len - offset);
ptr = buf->head[0].iov_base + offset;
/* shift data to make room for header. */
+ xdr_extend_head(buf, offset, headlen);
+
/* XXX Would be cleverer to encrypt while copying. */
- /* XXX bounds checking, slack, etc. */
- memmove(ptr + headlen, ptr, buf->head[0].iov_len - offset);
- buf->head[0].iov_len += headlen;
- buf->len += headlen;
BUG_ON((buf->len - offset - headlen) % blocksize);
g_make_token_header(&kctx->mech_used,
- GSS_KRB5_TOK_HDR_LEN + 8 + plainlen, &ptr);
+ GSS_KRB5_TOK_HDR_LEN +
+ kctx->gk5e->cksumlength + plainlen, &ptr);
/* ptr now at header described in rfc 1964, section 1.2.1: */
ptr[0] = (unsigned char) ((KG_TOK_WRAP_MSG >> 8) & 0xff);
ptr[1] = (unsigned char) (KG_TOK_WRAP_MSG & 0xff);
- msg_start = ptr + 24;
+ msg_start = ptr + GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength;
- *(__be16 *)(ptr + 2) = htons(SGN_ALG_DES_MAC_MD5);
+ *(__be16 *)(ptr + 2) = cpu_to_le16(kctx->gk5e->signalg);
memset(ptr + 4, 0xff, 4);
- *(__be16 *)(ptr + 4) = htons(SEAL_ALG_DES);
+ *(__be16 *)(ptr + 4) = cpu_to_le16(kctx->gk5e->sealalg);
- make_confounder(msg_start, blocksize);
+ gss_krb5_make_confounder(msg_start, conflen);
+
+ if (kctx->gk5e->keyed_cksum)
+ cksumkey = kctx->cksum;
+ else
+ cksumkey = NULL;
/* XXXJBF: UGH!: */
tmp_pages = buf->pages;
buf->pages = pages;
- if (make_checksum("md5", ptr, 8, buf,
- offset + headlen - blocksize, &md5cksum))
+ if (make_checksum(kctx, ptr, 8, buf, offset + headlen - conflen,
+ cksumkey, KG_USAGE_SEAL, &md5cksum))
return GSS_S_FAILURE;
buf->pages = tmp_pages;
- if (krb5_encrypt(kctx->seq, NULL, md5cksum.data,
- md5cksum.data, md5cksum.len))
- return GSS_S_FAILURE;
- memcpy(ptr + GSS_KRB5_TOK_HDR_LEN, md5cksum.data + md5cksum.len - 8, 8);
+ memcpy(ptr + GSS_KRB5_TOK_HDR_LEN, md5cksum.data, md5cksum.len);
spin_lock(&krb5_seq_lock);
seq_send = kctx->seq_send++;
@@ -197,25 +228,42 @@ gss_wrap_kerberos(struct gss_ctx *ctx, i
/* XXX would probably be more efficient to compute checksum
* and encrypt at the same time: */
- if ((krb5_make_seq_num(kctx->seq, kctx->initiate ? 0 : 0xff,
+ if ((krb5_make_seq_num(kctx, kctx->seq, kctx->initiate ? 0 : 0xff,
seq_send, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8)))
return GSS_S_FAILURE;
- if (gss_encrypt_xdr_buf(kctx->enc, buf, offset + headlen - blocksize,
- pages))
- return GSS_S_FAILURE;
+ if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC) {
+ struct crypto_blkcipher *cipher;
+ int err;
+ cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(cipher))
+ return GSS_S_FAILURE;
+
+ krb5_rc4_setup_enc_key(kctx, cipher, seq_send);
+
+ err = gss_encrypt_xdr_buf(cipher, buf,
+ offset + headlen - conflen, pages);
+ crypto_free_blkcipher(cipher);
+ if (err)
+ return GSS_S_FAILURE;
+ } else {
+ if (gss_encrypt_xdr_buf(kctx->enc, buf,
+ offset + headlen - conflen, pages))
+ return GSS_S_FAILURE;
+ }
return (kctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;
}
-u32
-gss_unwrap_kerberos(struct gss_ctx *ctx, int offset, struct xdr_buf *buf)
+static u32
+gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
{
- struct krb5_ctx *kctx = ctx->internal_ctx_id;
int signalg;
int sealalg;
- char cksumdata[16];
- struct xdr_netobj md5cksum = {.len = 0, .data = cksumdata};
+ char cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
+ struct xdr_netobj md5cksum = {.len = sizeof(cksumdata),
+ .data = cksumdata};
s32 now;
int direction;
s32 seqnum;
@@ -224,6 +272,9 @@ gss_unwrap_kerberos(struct gss_ctx *ctx,
void *data_start, *orig_start;
int data_len;
int blocksize;
+ u32 conflen = kctx->gk5e->conflen;
+ int crypt_offset;
+ u8 *cksumkey;
dprintk("RPC: gss_unwrap_kerberos\n");
@@ -241,29 +292,65 @@ gss_unwrap_kerberos(struct gss_ctx *ctx,
/* get the sign and seal algorithms */
signalg = ptr[2] + (ptr[3] << 8);
- if (signalg != SGN_ALG_DES_MAC_MD5)
+ if (signalg != kctx->gk5e->signalg)
return GSS_S_DEFECTIVE_TOKEN;
sealalg = ptr[4] + (ptr[5] << 8);
- if (sealalg != SEAL_ALG_DES)
+ if (sealalg != kctx->gk5e->sealalg)
return GSS_S_DEFECTIVE_TOKEN;
if ((ptr[6] != 0xff) || (ptr[7] != 0xff))
return GSS_S_DEFECTIVE_TOKEN;
- if (gss_decrypt_xdr_buf(kctx->enc, buf,
- ptr + GSS_KRB5_TOK_HDR_LEN + 8 - (unsigned char *)buf->head[0].iov_base))
- return GSS_S_DEFECTIVE_TOKEN;
+ /*
+ * Data starts after token header and checksum. ptr points
+ * to the beginning of the token header
+ */
+ crypt_offset = ptr + (GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength) -
+ (unsigned char *)buf->head[0].iov_base;
+
+ /*
+ * Need plaintext seqnum to derive encryption key for arcfour-hmac
+ */
+ if (krb5_get_seq_num(kctx, ptr + GSS_KRB5_TOK_HDR_LEN,
+ ptr + 8, &direction, &seqnum))
+ return GSS_S_BAD_SIG;
- if (make_checksum("md5", ptr, 8, buf,
- ptr + GSS_KRB5_TOK_HDR_LEN + 8 - (unsigned char *)buf->head[0].iov_base, &md5cksum))
- return GSS_S_FAILURE;
+ if ((kctx->initiate && direction != 0xff) ||
+ (!kctx->initiate && direction != 0))
+ return GSS_S_BAD_SIG;
+
+ if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC) {
+ struct crypto_blkcipher *cipher;
+ int err;
+
+ cipher = crypto_alloc_blkcipher(kctx->gk5e->encrypt_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(cipher))
+ return GSS_S_FAILURE;
+
+ krb5_rc4_setup_enc_key(kctx, cipher, seqnum);
+
+ err = gss_decrypt_xdr_buf(cipher, buf, crypt_offset);
+ crypto_free_blkcipher(cipher);
+ if (err)
+ return GSS_S_DEFECTIVE_TOKEN;
+ } else {
+ if (gss_decrypt_xdr_buf(kctx->enc, buf, crypt_offset))
+ return GSS_S_DEFECTIVE_TOKEN;
+ }
- if (krb5_encrypt(kctx->seq, NULL, md5cksum.data,
- md5cksum.data, md5cksum.len))
+ if (kctx->gk5e->keyed_cksum)
+ cksumkey = kctx->cksum;
+ else
+ cksumkey = NULL;
+
+ if (make_checksum(kctx, ptr, 8, buf, crypt_offset,
+ cksumkey, KG_USAGE_SEAL, &md5cksum))
return GSS_S_FAILURE;
- if (memcmp(md5cksum.data + 8, ptr + GSS_KRB5_TOK_HDR_LEN, 8))
+ if (memcmp(md5cksum.data, ptr + GSS_KRB5_TOK_HDR_LEN,
+ kctx->gk5e->cksumlength))
return GSS_S_BAD_SIG;
/* it got through unscathed. Make sure the context is unexpired */
@@ -275,19 +362,12 @@ gss_unwrap_kerberos(struct gss_ctx *ctx,
/* do sequencing checks */
- if (krb5_get_seq_num(kctx->seq, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8,
- &direction, &seqnum))
- return GSS_S_BAD_SIG;
-
- if ((kctx->initiate && direction != 0xff) ||
- (!kctx->initiate && direction != 0))
- return GSS_S_BAD_SIG;
-
/* Copy the data back to the right position. XXX: Would probably be
* better to copy and encrypt at the same time. */
blocksize = crypto_blkcipher_blocksize(kctx->enc);
- data_start = ptr + GSS_KRB5_TOK_HDR_LEN + 8 + blocksize;
+ data_start = ptr + (GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength) +
+ conflen;
orig_start = buf->head[0].iov_base + offset;
data_len = (buf->head[0].iov_base + buf->head[0].iov_len) - data_start;
memmove(orig_start, data_start, data_len);
@@ -299,3 +379,209 @@ gss_unwrap_kerberos(struct gss_ctx *ctx,
return GSS_S_COMPLETE;
}
+
+/*
+ * We cannot currently handle tokens with rotated data. We need a
+ * generalized routine to rotate the data in place. It is anticipated
+ * that we won't encounter rotated data in the general case.
+ */
+static u32
+rotate_left(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, u16 rrc)
+{
+ unsigned int realrrc = rrc % (buf->len - offset - GSS_KRB5_TOK_HDR_LEN);
+
+ if (realrrc == 0)
+ return 0;
+
+ dprintk("%s: cannot process token with rotated data: "
+ "rrc %u, realrrc %u\n", __func__, rrc, realrrc);
+ return 1;
+}
+
+static u32
+gss_wrap_kerberos_v2(struct krb5_ctx *kctx, u32 offset,
+ struct xdr_buf *buf, struct page **pages)
+{
+ int blocksize;
+ u8 *ptr, *plainhdr;
+ s32 now;
+ u8 flags = 0x00;
+ __be16 *be16ptr, ec = 0;
+ __be64 *be64ptr;
+ u32 err;
+
+ dprintk("RPC: %s\n", __func__);
+
+ if (kctx->gk5e->encrypt_v2 == NULL)
+ return GSS_S_FAILURE;
+
+ /* make room for gss token header */
+ if (xdr_extend_head(buf, offset, GSS_KRB5_TOK_HDR_LEN))
+ return GSS_S_FAILURE;
+
+ /* construct gss token header */
+ ptr = plainhdr = buf->head[0].iov_base + offset;
+ *ptr++ = (unsigned char) ((KG2_TOK_WRAP>>8) & 0xff);
+ *ptr++ = (unsigned char) (KG2_TOK_WRAP & 0xff);
+
+ if ((kctx->flags & KRB5_CTX_FLAG_INITIATOR) == 0)
+ flags |= KG2_TOKEN_FLAG_SENTBYACCEPTOR;
+ if ((kctx->flags & KRB5_CTX_FLAG_ACCEPTOR_SUBKEY) != 0)
+ flags |= KG2_TOKEN_FLAG_ACCEPTORSUBKEY;
+ /* We always do confidentiality in wrap tokens */
+ flags |= KG2_TOKEN_FLAG_SEALED;
+
+ *ptr++ = flags;
+ *ptr++ = 0xff;
+ be16ptr = (__be16 *)ptr;
+
+ blocksize = crypto_blkcipher_blocksize(kctx->acceptor_enc);
+ *be16ptr++ = cpu_to_be16(ec);
+ /* "inner" token header always uses 0 for RRC */
+ *be16ptr++ = cpu_to_be16(0);
+
+ be64ptr = (__be64 *)be16ptr;
+ spin_lock(&krb5_seq_lock);
+ *be64ptr = cpu_to_be64(kctx->seq_send64++);
+ spin_unlock(&krb5_seq_lock);
+
+ err = (*kctx->gk5e->encrypt_v2)(kctx, offset, buf, ec, pages);
+ if (err)
+ return err;
+
+ now = get_seconds();
+ return (kctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;
+}
+
+static u32
+gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
+{
+ s32 now;
+ u64 seqnum;
+ u8 *ptr;
+ u8 flags = 0x00;
+ u16 ec, rrc;
+ int err;
+ u32 headskip, tailskip;
+ u8 decrypted_hdr[GSS_KRB5_TOK_HDR_LEN];
+ unsigned int movelen;
+
+
+ dprintk("RPC: %s\n", __func__);
+
+ if (kctx->gk5e->decrypt_v2 == NULL)
+ return GSS_S_FAILURE;
+
+ ptr = buf->head[0].iov_base + offset;
+
+ if (be16_to_cpu(*((__be16 *)ptr)) != KG2_TOK_WRAP)
+ return GSS_S_DEFECTIVE_TOKEN;
+
+ flags = ptr[2];
+ if ((!kctx->initiate && (flags & KG2_TOKEN_FLAG_SENTBYACCEPTOR)) ||
+ (kctx->initiate && !(flags & KG2_TOKEN_FLAG_SENTBYACCEPTOR)))
+ return GSS_S_BAD_SIG;
+
+ if ((flags & KG2_TOKEN_FLAG_SEALED) == 0) {
+ dprintk("%s: token missing expected sealed flag\n", __func__);
+ return GSS_S_DEFECTIVE_TOKEN;
+ }
+
+ if (ptr[3] != 0xff)
+ return GSS_S_DEFECTIVE_TOKEN;
+
+ ec = be16_to_cpup((__be16 *)(ptr + 4));
+ rrc = be16_to_cpup((__be16 *)(ptr + 6));
+
+ seqnum = be64_to_cpup((__be64 *)(ptr + 8));
+
+ if (rrc != 0) {
+ err = rotate_left(kctx, offset, buf, rrc);
+ if (err)
+ return GSS_S_FAILURE;
+ }
+
+ err = (*kctx->gk5e->decrypt_v2)(kctx, offset, buf,
+ &headskip, &tailskip);
+ if (err)
+ return GSS_S_FAILURE;
+
+ /*
+ * Retrieve the decrypted gss token header and verify
+ * it against the original
+ */
+ err = read_bytes_from_xdr_buf(buf,
+ buf->len - GSS_KRB5_TOK_HDR_LEN - tailskip,
+ decrypted_hdr, GSS_KRB5_TOK_HDR_LEN);
+ if (err) {
+ dprintk("%s: error %u getting decrypted_hdr\n", __func__, err);
+ return GSS_S_FAILURE;
+ }
+ if (memcmp(ptr, decrypted_hdr, 6)
+ || memcmp(ptr + 8, decrypted_hdr + 8, 8)) {
+ dprintk("%s: token hdr, plaintext hdr mismatch!\n", __func__);
+ return GSS_S_FAILURE;
+ }
+
+ /* do sequencing checks */
+
+ /* it got through unscathed. Make sure the context is unexpired */
+ now = get_seconds();
+ if (now > kctx->endtime)
+ return GSS_S_CONTEXT_EXPIRED;
+
+ /*
+ * Move the head data back to the right position in xdr_buf.
+ * We ignore any "ec" data since it might be in the head or
+ * the tail, and we really don't need to deal with it.
+ * Note that buf->head[0].iov_len may indicate the available
+ * head buffer space rather than that actually occupied.
+ */
+ movelen = min_t(unsigned int, buf->head[0].iov_len, buf->len);
+ movelen -= offset + GSS_KRB5_TOK_HDR_LEN + headskip;
+ BUG_ON(offset + GSS_KRB5_TOK_HDR_LEN + headskip + movelen >
+ buf->head[0].iov_len);
+ memmove(ptr, ptr + GSS_KRB5_TOK_HDR_LEN + headskip, movelen);
+ buf->head[0].iov_len -= GSS_KRB5_TOK_HDR_LEN + headskip;
+ buf->len -= GSS_KRB5_TOK_HDR_LEN + headskip;
+
+ return GSS_S_COMPLETE;
+}
+
+u32
+gss_wrap_kerberos(struct gss_ctx *gctx, int offset,
+ struct xdr_buf *buf, struct page **pages)
+{
+ struct krb5_ctx *kctx = gctx->internal_ctx_id;
+
+ switch (kctx->enctype) {
+ default:
+ BUG();
+ case ENCTYPE_DES_CBC_RAW:
+ case ENCTYPE_DES3_CBC_RAW:
+ case ENCTYPE_ARCFOUR_HMAC:
+ return gss_wrap_kerberos_v1(kctx, offset, buf, pages);
+ case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
+ case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
+ return gss_wrap_kerberos_v2(kctx, offset, buf, pages);
+ }
+}
+
+u32
+gss_unwrap_kerberos(struct gss_ctx *gctx, int offset, struct xdr_buf *buf)
+{
+ struct krb5_ctx *kctx = gctx->internal_ctx_id;
+
+ switch (kctx->enctype) {
+ default:
+ BUG();
+ case ENCTYPE_DES_CBC_RAW:
+ case ENCTYPE_DES3_CBC_RAW:
+ case ENCTYPE_ARCFOUR_HMAC:
+ return gss_unwrap_kerberos_v1(kctx, offset, buf);
+ case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
+ case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
+ return gss_unwrap_kerberos_v2(kctx, offset, buf);
+ }
+}
+
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_mech_switch.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_mech_switch.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_mech_switch.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_mech_switch.c 2010-08-23 11:01:00.395574706 -0400
@@ -249,14 +249,15 @@ EXPORT_SYMBOL_GPL(gss_mech_put);
int
gss_import_sec_context(const void *input_token, size_t bufsize,
struct gss_api_mech *mech,
- struct gss_ctx **ctx_id)
+ struct gss_ctx **ctx_id,
+ gfp_t gfp_mask)
{
- if (!(*ctx_id = kzalloc(sizeof(**ctx_id), GFP_KERNEL)))
+ if (!(*ctx_id = kzalloc(sizeof(**ctx_id), gfp_mask)))
return -ENOMEM;
(*ctx_id)->mech_type = gss_mech_get(mech);
return mech->gm_ops
- ->gss_import_sec_context(input_token, bufsize, *ctx_id);
+ ->gss_import_sec_context(input_token, bufsize, *ctx_id, gfp_mask);
}
/* gss_get_mic: compute a mic over message and return mic_token. */
@@ -285,6 +286,20 @@ gss_verify_mic(struct gss_ctx *context_
mic_token);
}
+/*
+ * This function is called from both the client and server code.
+ * Each makes guarantees about how much "slack" space is available
+ * for the underlying function in "buf"'s head and tail while
+ * performing the wrap.
+ *
+ * The client and server code allocate RPC_MAX_AUTH_SIZE extra
+ * space in both the head and tail which is available for use by
+ * the wrap function.
+ *
+ * Underlying functions should verify they do not use more than
+ * RPC_MAX_AUTH_SIZE of extra space in either the head or tail
+ * when performing the wrap.
+ */
u32
gss_wrap(struct gss_ctx *ctx_id,
int offset,
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_spkm3_mech.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_spkm3_mech.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_spkm3_mech.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/gss_spkm3_mech.c 2010-08-23 11:01:00.396574085 -0400
@@ -84,13 +84,14 @@ simple_get_netobj(const void *p, const v
static int
gss_import_sec_context_spkm3(const void *p, size_t len,
- struct gss_ctx *ctx_id)
+ struct gss_ctx *ctx_id,
+ gfp_t gfp_mask)
{
const void *end = (const void *)((const char *)p + len);
struct spkm3_ctx *ctx;
int version;
- if (!(ctx = kzalloc(sizeof(*ctx), GFP_NOFS)))
+ if (!(ctx = kzalloc(sizeof(*ctx), gfp_mask)))
goto out_err;
p = simple_get_bytes(p, end, &version, sizeof(version));
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/Makefile.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/Makefile
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/Makefile.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/Makefile 2010-08-23 11:01:00.387574079 -0400
@@ -10,7 +10,7 @@ auth_rpcgss-objs := auth_gss.o gss_gener
obj-$(CONFIG_RPCSEC_GSS_KRB5) += rpcsec_gss_krb5.o
rpcsec_gss_krb5-objs := gss_krb5_mech.o gss_krb5_seal.o gss_krb5_unseal.o \
- gss_krb5_seqnum.o gss_krb5_wrap.o gss_krb5_crypto.o
+ gss_krb5_seqnum.o gss_krb5_wrap.o gss_krb5_crypto.o gss_krb5_keys.o
obj-$(CONFIG_RPCSEC_GSS_SPKM3) += rpcsec_gss_spkm3.o
diff -up linux-2.6.34.noarch/net/sunrpc/auth_gss/svcauth_gss.c.orig linux-2.6.34.noarch/net/sunrpc/auth_gss/svcauth_gss.c
--- linux-2.6.34.noarch/net/sunrpc/auth_gss/svcauth_gss.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/auth_gss/svcauth_gss.c 2010-08-23 11:01:00.396574085 -0400
@@ -494,7 +494,7 @@ static int rsc_parse(struct cache_detail
len = qword_get(&mesg, buf, mlen);
if (len < 0)
goto out;
- status = gss_import_sec_context(buf, len, gm, &rsci.mechctx);
+ status = gss_import_sec_context(buf, len, gm, &rsci.mechctx, GFP_KERNEL);
if (status)
goto out;
@@ -1315,6 +1315,14 @@ svcauth_gss_wrap_resp_priv(struct svc_rq
inpages = resbuf->pages;
/* XXX: Would be better to write some xdr helper functions for
* nfs{2,3,4}xdr.c that place the data right, instead of copying: */
+
+ /*
+ * If there is currently tail data, make sure there is
+ * room for the head, tail, and 2 * RPC_MAX_AUTH_SIZE in
+ * the page, and move the current tail data such that
+ * there is RPC_MAX_AUTH_SIZE slack space available in
+ * both the head and tail.
+ */
if (resbuf->tail[0].iov_base) {
BUG_ON(resbuf->tail[0].iov_base >= resbuf->head[0].iov_base
+ PAGE_SIZE);
@@ -1327,6 +1335,13 @@ svcauth_gss_wrap_resp_priv(struct svc_rq
resbuf->tail[0].iov_len);
resbuf->tail[0].iov_base += RPC_MAX_AUTH_SIZE;
}
+ /*
+ * If there is no current tail data, make sure there is
+ * room for the head data, and 2 * RPC_MAX_AUTH_SIZE in the
+ * allotted page, and set up tail information such that there
+ * is RPC_MAX_AUTH_SIZE slack space available in both the
+ * head and tail.
+ */
if (resbuf->tail[0].iov_base == NULL) {
if (resbuf->head[0].iov_len + 2*RPC_MAX_AUTH_SIZE > PAGE_SIZE)
return -ENOMEM;
diff -up linux-2.6.34.noarch/net/sunrpc/clnt.c.orig linux-2.6.34.noarch/net/sunrpc/clnt.c
--- linux-2.6.34.noarch/net/sunrpc/clnt.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/clnt.c 2010-08-23 11:01:00.397622347 -0400
@@ -556,26 +556,16 @@ static const struct rpc_call_ops rpc_def
*/
struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
{
- struct rpc_task *task, *ret;
+ struct rpc_task *task;
task = rpc_new_task(task_setup_data);
- if (task == NULL) {
- rpc_release_calldata(task_setup_data->callback_ops,
- task_setup_data->callback_data);
- ret = ERR_PTR(-ENOMEM);
+ if (IS_ERR(task))
goto out;
- }
- if (task->tk_status != 0) {
- ret = ERR_PTR(task->tk_status);
- rpc_put_task(task);
- goto out;
- }
atomic_inc(&task->tk_count);
rpc_execute(task);
- ret = task;
out:
- return ret;
+ return task;
}
EXPORT_SYMBOL_GPL(rpc_run_task);
@@ -657,9 +647,8 @@ struct rpc_task *rpc_run_bc_task(struct
* Create an rpc_task to send the data
*/
task = rpc_new_task(&task_setup_data);
- if (!task) {
+ if (IS_ERR(task)) {
xprt_free_bc_request(req);
- task = ERR_PTR(-ENOMEM);
goto out;
}
task->tk_rqstp = req;
diff -up linux-2.6.34.noarch/net/sunrpc/sched.c.orig linux-2.6.34.noarch/net/sunrpc/sched.c
--- linux-2.6.34.noarch/net/sunrpc/sched.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/sched.c 2010-08-23 11:01:00.398564598 -0400
@@ -25,7 +25,6 @@
#ifdef RPC_DEBUG
#define RPCDBG_FACILITY RPCDBG_SCHED
-#define RPC_TASK_MAGIC_ID 0xf00baa
#endif
/*
@@ -237,7 +236,6 @@ static void rpc_task_set_debuginfo(struc
{
static atomic_t rpc_pid;
- task->tk_magic = RPC_TASK_MAGIC_ID;
task->tk_pid = atomic_inc_return(&rpc_pid);
}
#else
@@ -360,9 +358,6 @@ static void __rpc_do_wake_up_task(struct
dprintk("RPC: %5u __rpc_wake_up_task (now %lu)\n",
task->tk_pid, jiffies);
-#ifdef RPC_DEBUG
- BUG_ON(task->tk_magic != RPC_TASK_MAGIC_ID);
-#endif
/* Has the task been executed yet? If not, we cannot wake it up! */
if (!RPC_IS_ACTIVATED(task)) {
printk(KERN_ERR "RPC: Inactive task (%p) being woken up!\n", task);
@@ -834,7 +829,7 @@ static void rpc_init_task(struct rpc_tas
}
/* starting timestamp */
- task->tk_start = jiffies;
+ task->tk_start = ktime_get();
dprintk("RPC: new task initialized, procpid %u\n",
task_pid_nr(current));
@@ -856,16 +851,23 @@ struct rpc_task *rpc_new_task(const stru
if (task == NULL) {
task = rpc_alloc_task();
- if (task == NULL)
- goto out;
+ if (task == NULL) {
+ rpc_release_calldata(setup_data->callback_ops,
+ setup_data->callback_data);
+ return ERR_PTR(-ENOMEM);
+ }
flags = RPC_TASK_DYNAMIC;
}
rpc_init_task(task, setup_data);
+ if (task->tk_status < 0) {
+ int err = task->tk_status;
+ rpc_put_task(task);
+ return ERR_PTR(err);
+ }
task->tk_flags |= flags;
dprintk("RPC: allocated task %p\n", task);
-out:
return task;
}
@@ -909,9 +911,6 @@ EXPORT_SYMBOL_GPL(rpc_put_task);
static void rpc_release_task(struct rpc_task *task)
{
-#ifdef RPC_DEBUG
- BUG_ON(task->tk_magic != RPC_TASK_MAGIC_ID);
-#endif
dprintk("RPC: %5u release task\n", task->tk_pid);
if (!list_empty(&task->tk_task)) {
@@ -923,9 +922,6 @@ static void rpc_release_task(struct rpc_
}
BUG_ON (RPC_IS_QUEUED(task));
-#ifdef RPC_DEBUG
- task->tk_magic = 0;
-#endif
/* Wake up anyone who is waiting for task completion */
rpc_mark_complete_task(task);
diff -up linux-2.6.34.noarch/net/sunrpc/stats.c.orig linux-2.6.34.noarch/net/sunrpc/stats.c
--- linux-2.6.34.noarch/net/sunrpc/stats.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/stats.c 2010-08-23 11:01:00.399574225 -0400
@@ -144,7 +144,7 @@ void rpc_count_iostats(struct rpc_task *
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_iostats *stats;
struct rpc_iostats *op_metrics;
- long rtt, execute, queue;
+ ktime_t delta;
if (!task->tk_client || !task->tk_client->cl_metrics || !req)
return;
@@ -156,23 +156,16 @@ void rpc_count_iostats(struct rpc_task *
op_metrics->om_ntrans += req->rq_ntrans;
op_metrics->om_timeouts += task->tk_timeouts;
- op_metrics->om_bytes_sent += task->tk_bytes_sent;
+ op_metrics->om_bytes_sent += req->rq_xmit_bytes_sent;
op_metrics->om_bytes_recv += req->rq_reply_bytes_recvd;
- queue = (long)req->rq_xtime - task->tk_start;
- if (queue < 0)
- queue = -queue;
- op_metrics->om_queue += queue;
-
- rtt = task->tk_rtt;
- if (rtt < 0)
- rtt = -rtt;
- op_metrics->om_rtt += rtt;
-
- execute = (long)jiffies - task->tk_start;
- if (execute < 0)
- execute = -execute;
- op_metrics->om_execute += execute;
+ delta = ktime_sub(req->rq_xtime, task->tk_start);
+ op_metrics->om_queue = ktime_add(op_metrics->om_queue, delta);
+
+ op_metrics->om_rtt = ktime_add(op_metrics->om_rtt, req->rq_rtt);
+
+ delta = ktime_sub(ktime_get(), task->tk_start);
+ op_metrics->om_execute = ktime_add(op_metrics->om_execute, delta);
}
static void _print_name(struct seq_file *seq, unsigned int op,
@@ -186,8 +179,6 @@ static void _print_name(struct seq_file
seq_printf(seq, "\t%12u: ", op);
}
-#define MILLISECS_PER_JIFFY (1000 / HZ)
-
void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
{
struct rpc_iostats *stats = clnt->cl_metrics;
@@ -214,9 +205,9 @@ void rpc_print_iostats(struct seq_file *
metrics->om_timeouts,
metrics->om_bytes_sent,
metrics->om_bytes_recv,
- metrics->om_queue * MILLISECS_PER_JIFFY,
- metrics->om_rtt * MILLISECS_PER_JIFFY,
- metrics->om_execute * MILLISECS_PER_JIFFY);
+ ktime_to_ms(metrics->om_queue),
+ ktime_to_ms(metrics->om_rtt),
+ ktime_to_ms(metrics->om_execute));
}
}
EXPORT_SYMBOL_GPL(rpc_print_iostats);
diff -up linux-2.6.34.noarch/net/sunrpc/xdr.c.orig linux-2.6.34.noarch/net/sunrpc/xdr.c
--- linux-2.6.34.noarch/net/sunrpc/xdr.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/xdr.c 2010-08-23 11:01:00.400574086 -0400
@@ -762,6 +762,7 @@ int write_bytes_to_xdr_buf(struct xdr_bu
__write_bytes_to_xdr_buf(&subbuf, obj, len);
return 0;
}
+EXPORT_SYMBOL_GPL(write_bytes_to_xdr_buf);
int
xdr_decode_word(struct xdr_buf *buf, unsigned int base, u32 *obj)
diff -up linux-2.6.34.noarch/net/sunrpc/xprt.c.orig linux-2.6.34.noarch/net/sunrpc/xprt.c
--- linux-2.6.34.noarch/net/sunrpc/xprt.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/xprt.c 2010-08-23 11:01:00.401372963 -0400
@@ -43,6 +43,7 @@
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/net.h>
+#include <linux/ktime.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/metrics.h>
@@ -62,7 +63,6 @@
* Local functions
*/
static void xprt_request_init(struct rpc_task *, struct rpc_xprt *);
-static inline void do_xprt_reserve(struct rpc_task *);
static void xprt_connect_status(struct rpc_task *task);
static int __xprt_get_cong(struct rpc_xprt *, struct rpc_task *);
@@ -711,12 +711,16 @@ void xprt_connect(struct rpc_task *task)
if (task->tk_rqstp)
task->tk_rqstp->rq_bytes_sent = 0;
- task->tk_timeout = xprt->connect_timeout;
+ task->tk_timeout = task->tk_rqstp->rq_timeout;
rpc_sleep_on(&xprt->pending, task, xprt_connect_status);
+
+ if (test_bit(XPRT_CLOSING, &xprt->state))
+ return;
+ if (xprt_test_and_set_connecting(xprt))
+ return;
xprt->stat.connect_start = jiffies;
xprt->ops->connect(task);
}
- return;
}
static void xprt_connect_status(struct rpc_task *task)
@@ -771,25 +775,19 @@ struct rpc_rqst *xprt_lookup_rqst(struct
}
EXPORT_SYMBOL_GPL(xprt_lookup_rqst);
-/**
- * xprt_update_rtt - update an RPC client's RTT state after receiving a reply
- * @task: RPC request that recently completed
- *
- */
-void xprt_update_rtt(struct rpc_task *task)
+static void xprt_update_rtt(struct rpc_task *task)
{
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_rtt *rtt = task->tk_client->cl_rtt;
unsigned timer = task->tk_msg.rpc_proc->p_timer;
+ long m = usecs_to_jiffies(ktime_to_us(req->rq_rtt));
if (timer) {
if (req->rq_ntrans == 1)
- rpc_update_rtt(rtt, timer,
- (long)jiffies - req->rq_xtime);
+ rpc_update_rtt(rtt, timer, m);
rpc_set_timeo(rtt, timer, req->rq_ntrans - 1);
}
}
-EXPORT_SYMBOL_GPL(xprt_update_rtt);
/**
* xprt_complete_rqst - called when reply processing is complete
@@ -807,7 +805,9 @@ void xprt_complete_rqst(struct rpc_task
task->tk_pid, ntohl(req->rq_xid), copied);
xprt->stat.recvs++;
- task->tk_rtt = (long)jiffies - req->rq_xtime;
+ req->rq_rtt = ktime_sub(ktime_get(), req->rq_xtime);
+ if (xprt->ops->timer != NULL)
+ xprt_update_rtt(task);
list_del_init(&req->rq_list);
req->rq_private_buf.len = copied;
@@ -906,7 +906,7 @@ void xprt_transmit(struct rpc_task *task
return;
req->rq_connect_cookie = xprt->connect_cookie;
- req->rq_xtime = jiffies;
+ req->rq_xtime = ktime_get();
status = xprt->ops->send_request(task);
if (status != 0) {
task->tk_status = status;
@@ -935,7 +935,7 @@ void xprt_transmit(struct rpc_task *task
spin_unlock_bh(&xprt->transport_lock);
}
-static inline void do_xprt_reserve(struct rpc_task *task)
+static void xprt_alloc_slot(struct rpc_task *task)
{
struct rpc_xprt *xprt = task->tk_xprt;
@@ -955,6 +955,16 @@ static inline void do_xprt_reserve(struc
rpc_sleep_on(&xprt->backlog, task, NULL);
}
+static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
+{
+ memset(req, 0, sizeof(*req)); /* mark unused */
+
+ spin_lock(&xprt->reserve_lock);
+ list_add(&req->rq_list, &xprt->free);
+ rpc_wake_up_next(&xprt->backlog);
+ spin_unlock(&xprt->reserve_lock);
+}
+
/**
* xprt_reserve - allocate an RPC request slot
* @task: RPC task requesting a slot allocation
@@ -968,7 +978,7 @@ void xprt_reserve(struct rpc_task *task)
task->tk_status = -EIO;
spin_lock(&xprt->reserve_lock);
- do_xprt_reserve(task);
+ xprt_alloc_slot(task);
spin_unlock(&xprt->reserve_lock);
}
@@ -1006,14 +1016,10 @@ void xprt_release(struct rpc_task *task)
{
struct rpc_xprt *xprt;
struct rpc_rqst *req;
- int is_bc_request;
if (!(req = task->tk_rqstp))
return;
- /* Preallocated backchannel request? */
- is_bc_request = bc_prealloc(req);
-
xprt = req->rq_xprt;
rpc_count_iostats(task);
spin_lock_bh(&xprt->transport_lock);
@@ -1027,21 +1033,16 @@ void xprt_release(struct rpc_task *task)
mod_timer(&xprt->timer,
xprt->last_used + xprt->idle_timeout);
spin_unlock_bh(&xprt->transport_lock);
- if (!bc_prealloc(req))
+ if (req->rq_buffer)
xprt->ops->buf_free(req->rq_buffer);
task->tk_rqstp = NULL;
if (req->rq_release_snd_buf)
req->rq_release_snd_buf(req);
dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
- if (likely(!is_bc_request)) {
- memset(req, 0, sizeof(*req)); /* mark unused */
-
- spin_lock(&xprt->reserve_lock);
- list_add(&req->rq_list, &xprt->free);
- rpc_wake_up_next(&xprt->backlog);
- spin_unlock(&xprt->reserve_lock);
- } else
+ if (likely(!bc_prealloc(req)))
+ xprt_free_slot(xprt, req);
+ else
xprt_free_bc_request(req);
}
diff -up linux-2.6.34.noarch/net/sunrpc/xprtrdma/transport.c.orig linux-2.6.34.noarch/net/sunrpc/xprtrdma/transport.c
--- linux-2.6.34.noarch/net/sunrpc/xprtrdma/transport.c.orig 2010-05-16 17:17:36.000000000 -0400
+++ linux-2.6.34.noarch/net/sunrpc/xprtrdma/transport.c 2010-08-23 11:01:00.402563985 -0400
@@ -305,7 +305,6 @@ xprt_setup_rdma(struct xprt_create *args
/* 60 second timeout, no retries */
xprt->timeout = &xprt_rdma_default_timeout;
xprt->bind_timeout = (60U * HZ);
- xprt->connect_timeout = (60U * HZ);
xprt->reestablish_timeout = (5U * HZ);
xprt->idle_timeout = (5U * 60 * HZ);
@@ -449,21 +448,19 @@ xprt_rdma_connect(struct rpc_task *task)
struct rpc_xprt *xprt = (struct rpc_xprt *)task->tk_xprt;
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
- if (!xprt_test_and_set_connecting(xprt)) {
- if (r_xprt->rx_ep.rep_connected != 0) {
- /* Reconnect */
- schedule_delayed_work(&r_xprt->rdma_connect,
- xprt->reestablish_timeout);
- xprt->reestablish_timeout <<= 1;
- if (xprt->reestablish_timeout > (30 * HZ))
- xprt->reestablish_timeout = (30 * HZ);
- else if (xprt->reestablish_timeout < (5 * HZ))
- xprt->reestablish_timeout = (5 * HZ);
- } else {
- schedule_delayed_work(&r_xprt->rdma_connect, 0);
- if (!RPC_IS_ASYNC(task))
- flush_scheduled_work();
- }
+ if (r_xprt->rx_ep.rep_connected != 0) {
+ /* Reconnect */
+ schedule_delayed_work(&r_xprt->rdma_connect,
+ xprt->reestablish_timeout);
+ xprt->reestablish_timeout <<= 1;
+ if (xprt->reestablish_timeout > (30 * HZ))
+ xprt->reestablish_timeout = (30 * HZ);
+ else if (xprt->reestablish_timeout < (5 * HZ))
+ xprt->reestablish_timeout = (5 * HZ);
+ } else {
+ schedule_delayed_work(&r_xprt->rdma_connect, 0);
+ if (!RPC_IS_ASYNC(task))
+ flush_scheduled_work();
}
}
@@ -677,7 +674,7 @@ xprt_rdma_send_request(struct rpc_task *
if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req))
goto drop_connection;
- task->tk_bytes_sent += rqst->rq_snd_buf.len;
+ rqst->rq_xmit_bytes_sent += rqst->rq_snd_buf.len;
rqst->rq_bytes_sent = 0;
return 0;
diff -up linux-2.6.34.noarch/net/sunrpc/xprtsock.c.orig linux-2.6.34.noarch/net/sunrpc/xprtsock.c
--- linux-2.6.34.noarch/net/sunrpc/xprtsock.c.orig 2010-08-23 11:00:23.890501549 -0400
+++ linux-2.6.34.noarch/net/sunrpc/xprtsock.c 2010-08-23 11:01:00.403564023 -0400
@@ -138,20 +138,6 @@ static ctl_table sunrpc_table[] = {
#endif
/*
- * Time out for an RPC UDP socket connect. UDP socket connects are
- * synchronous, but we set a timeout anyway in case of resource
- * exhaustion on the local host.
- */
-#define XS_UDP_CONN_TO (5U * HZ)
-
-/*
- * Wait duration for an RPC TCP connection to be established. Solaris
- * NFS over TCP uses 60 seconds, for example, which is in line with how
- * long a server takes to reboot.
- */
-#define XS_TCP_CONN_TO (60U * HZ)
-
-/*
* Wait duration for a reply from the RPC portmapper.
*/
#define XS_BIND_TO (60U * HZ)
@@ -543,7 +529,7 @@ static int xs_udp_send_request(struct rp
xdr->len - req->rq_bytes_sent, status);
if (status >= 0) {
- task->tk_bytes_sent += status;
+ req->rq_xmit_bytes_sent += status;
if (status >= req->rq_slen)
return 0;
/* Still some bytes left; set up for a retry later. */
@@ -639,7 +625,7 @@ static int xs_tcp_send_request(struct rp
/* If we've sent the entire packet, immediately
* reset the count of bytes sent. */
req->rq_bytes_sent += status;
- task->tk_bytes_sent += status;
+ req->rq_xmit_bytes_sent += status;
if (likely(req->rq_bytes_sent >= req->rq_slen)) {
req->rq_bytes_sent = 0;
return 0;
@@ -859,7 +845,6 @@ static void xs_udp_data_ready(struct soc
dst_confirm(skb_dst(skb));
xprt_adjust_cwnd(task, copied);
- xprt_update_rtt(task);
xprt_complete_rqst(task, copied);
out_unlock:
@@ -2022,9 +2007,6 @@ static void xs_connect(struct rpc_task *
struct rpc_xprt *xprt = task->tk_xprt;
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
- if (xprt_test_and_set_connecting(xprt))
- return;
-
if (transport->sock != NULL && !RPC_IS_SOFTCONN(task)) {
dprintk("RPC: xs_connect delayed xprt %p for %lu "
"seconds\n",
@@ -2044,16 +2026,6 @@ static void xs_connect(struct rpc_task *
}
}
-static void xs_tcp_connect(struct rpc_task *task)
-{
- struct rpc_xprt *xprt = task->tk_xprt;
-
- /* Exit if we need to wait for socket shutdown to complete */
- if (test_bit(XPRT_CLOSING, &xprt->state))
- return;
- xs_connect(task);
-}
-
/**
* xs_udp_print_stats - display UDP socket-specifc stats
* @xprt: rpc_xprt struct containing statistics
@@ -2252,7 +2224,7 @@ static struct rpc_xprt_ops xs_tcp_ops =
.release_xprt = xs_tcp_release_xprt,
.rpcbind = rpcb_getport_async,
.set_port = xs_set_port,
- .connect = xs_tcp_connect,
+ .connect = xs_connect,
.buf_alloc = rpc_malloc,
.buf_free = rpc_free,
.send_request = xs_tcp_send_request,
@@ -2343,7 +2315,6 @@ static struct rpc_xprt *xs_setup_udp(str
xprt->max_payload = (1U << 16) - (MAX_HEADER << 3);
xprt->bind_timeout = XS_BIND_TO;
- xprt->connect_timeout = XS_UDP_CONN_TO;
xprt->reestablish_timeout = XS_UDP_REEST_TO;
xprt->idle_timeout = XS_IDLE_DISC_TO;
@@ -2418,7 +2389,6 @@ static struct rpc_xprt *xs_setup_tcp(str
xprt->max_payload = RPC_MAX_FRAGMENT_SIZE;
xprt->bind_timeout = XS_BIND_TO;
- xprt->connect_timeout = XS_TCP_CONN_TO;
xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO;
xprt->idle_timeout = XS_IDLE_DISC_TO;
@@ -2478,9 +2448,6 @@ static struct rpc_xprt *xs_setup_bc_tcp(
struct sock_xprt *transport;
struct svc_sock *bc_sock;
- if (!args->bc_xprt)
- ERR_PTR(-EINVAL);
-
xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
if (IS_ERR(xprt))
return xprt;
@@ -2494,7 +2461,6 @@ static struct rpc_xprt *xs_setup_bc_tcp(
/* backchannel */
xprt_set_bound(xprt);
xprt->bind_timeout = 0;
- xprt->connect_timeout = 0;
xprt->reestablish_timeout = 0;
xprt->idle_timeout = 0;