diff --git a/policycoreutils/Makefile b/policycoreutils/Makefile
index 86ed03f..67d0ee8 100644
--- a/policycoreutils/Makefile
+++ b/policycoreutils/Makefile
@@ -1,4 +1,4 @@
-SUBDIRS = setfiles semanage load_policy newrole run_init sandbox secon audit2allow audit2why scripts sestatus semodule_package semodule semodule_link semodule_expand semodule_deps setsebool po
+SUBDIRS = setfiles semanage semanage/default_encoding load_policy newrole run_init sandbox secon audit2allow audit2why scripts sestatus semodule_package semodule semodule_link semodule_expand semodule_deps sepolgen-ifgen setsebool po gui
INOTIFYH = $(shell ls /usr/include/sys/inotify.h 2>/dev/null)
diff --git a/policycoreutils/audit2allow/audit2allow b/policycoreutils/audit2allow/audit2allow
index 5435e9d..c60490b 100644
--- a/policycoreutils/audit2allow/audit2allow
+++ b/policycoreutils/audit2allow/audit2allow
@@ -1,4 +1,4 @@
-#! /usr/bin/python -E
+#! /usr/bin/python -Es
# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
#
# Copyright (C) 2006-2007 Red Hat
@@ -28,6 +28,7 @@ import sepolgen.objectmodel as objectmodel
import sepolgen.defaults as defaults
import sepolgen.module as module
from sepolgen.sepolgeni18n import _
+import selinux.audit2why as audit2why
class AuditToPolicy:
VERSION = "%prog .1"
@@ -46,6 +47,7 @@ class AuditToPolicy:
help="audit messages since last boot conflicts with -i")
parser.add_option("-a", "--all", action="store_true", dest="audit", default=False,
help="read input from audit log - conflicts with -i")
+ parser.add_option("-p", "--policy", dest="policy", default=None, help="Policy file to use for analysis")
parser.add_option("-d", "--dmesg", action="store_true", dest="dmesg", default=False,
help="read input from dmesg - conflicts with --all and --input")
parser.add_option("-i", "--input", dest="input",
@@ -231,29 +233,12 @@ class AuditToPolicy:
def __output_audit2why(self):
import selinux
- import selinux.audit2why as audit2why
import seobject
- audit2why.init()
for i in self.__parser.avc_msgs:
- rc, bools = audit2why.analyze(i.scontext.to_string(), i.tcontext.to_string(), i.tclass, i.accesses)
+ rc = i.type
+ bools = i.bools
if rc >= 0:
print "%s\n\tWas caused by:" % i.message
- if rc == audit2why.NOPOLICY:
- raise RuntimeError("Must call policy_init first")
- if rc == audit2why.BADTCON:
- print "Invalid Target Context %s\n" % i.tcontext
- continue
- if rc == audit2why.BADSCON:
- print "Invalid Source Context %s\n" % i.scontext
- continue
- if rc == audit2why.BADSCON:
- print "Invalid Type Class %s\n" % i.tclass
- continue
- if rc == audit2why.BADPERM:
- print "Invalid permission %s\n" % i.accesses
- continue
- if rc == audit2why. BADCOMPUTE:
- raise RuntimeError("Error during access vector computation")
if rc == audit2why.ALLOW:
print "\t\tUnknown - would be allowed by active policy\n",
print "\t\tPossible mismatch between this policy and the one under which the audit message was generated.\n"
@@ -350,11 +335,19 @@ class AuditToPolicy:
def main(self):
try:
self.__parse_options()
+ if self.__options.policy:
+ audit2why.init(self.__options.policy)
+ else:
+ audit2why.init()
+
self.__read_input()
self.__process_input()
self.__output()
except KeyboardInterrupt:
sys.exit(0)
+ except ValueError, e:
+ print e
+ sys.exit(1)
if __name__ == "__main__":
app = AuditToPolicy()
diff --git a/policycoreutils/audit2allow/audit2allow.1 b/policycoreutils/audit2allow/audit2allow.1
index 6178cc8..b6f386d 100644
--- a/policycoreutils/audit2allow/audit2allow.1
+++ b/policycoreutils/audit2allow/audit2allow.1
@@ -1,5 +1,6 @@
.\" Hey, Emacs! This is an -*- nroff -*- source file.
.\" Copyright (c) 2005 Manoj Srivastava <srivasta@debian.org>
+.\" Copyright (c) 2010 Dan Walsh <dwalsh@redhat.com>
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
@@ -22,7 +23,7 @@
.\" USA.
.\"
.\"
-.TH AUDIT2ALLOW "1" "January 2005" "Security Enhanced Linux" NSA
+.TH AUDIT2ALLOW "1" "October 2010" "Security Enhanced Linux" NSA
.SH NAME
.BR audit2allow
\- generate SELinux policy allow/dontaudit rules from logs of denied operations
@@ -66,6 +67,9 @@ Generate module/require output <modulename>
.B "\-M <modulename>"
Generate loadable module package, conflicts with -o
.TP
+.B "\-p <policyfile>" | "\-\-policy <policyfile>"
+Policy file to use for analysis
+.TP
.B "\-o <outputfile>" | "\-\-output <outputfile>"
append output to
.I <outputfile>
@@ -117,14 +121,6 @@ an 'allow' rule.
.B Please substitute /var/log/messages for /var/log/audit/audit.log in the
.B examples.
.PP
-.B Using audit2allow to generate monolithic (non-module) policy
-$ cd /etc/selinux/$SELINUXTYPE/src/policy
-$ cat /var/log/audit/audit.log | audit2allow >> domains/misc/local.te
-$ cat domains/misc/local.te
-allow cupsd_config_t unconfined_t:fifo_file { getattr ioctl };
-<review domains/misc/local.te and customize as desired>
-$ make load
-
.B Using audit2allow to generate module policy
$ cat /var/log/audit/audit.log | audit2allow -m local > local.te
@@ -132,20 +128,38 @@ $ cat local.te
module local 1.0;
require {
- role system_r;
+ class file { getattr open read };
- class fifo_file { getattr ioctl };
+ type myapp_t;
+ type etc_t;
+ };
- type cupsd_config_t;
- type unconfined_t;
- };
+allow myapp_t etc_t:file { getattr open read };
+<review local.te and customize as desired>
+.B Using audit2allow to generate module policy using reference policy
-allow cupsd_config_t unconfined_t:fifo_file { getattr ioctl };
+$ cat /var/log/audit/audit.log | audit2allow -R -m local > local.te
+$ cat local.te
+policy_module(local, 1.0)
+
+gen_require(`
+ type myapp_t;
+ type etc_t;
+ };
+
+files_read_etc_files(myapp_t)
<review local.te and customize as desired>
+.B Building module policy using Makefile
+
+# SELinux provides a policy devel environment under /usr/share/selinux/devel
+# You can create a te file and compile it by executing
+$ make -f /usr/share/selinux/devel/Makefile
+$ semodule -i local.pp
+
.B Building module policy manually
# Compile the module
@@ -168,6 +182,14 @@ you are required to execute
semodule -i local.pp
+.B Using audit2allow to generate monolithic (non-module) policy
+$ cd /etc/selinux/$SELINUXTYPE/src/policy
+$ cat /var/log/audit/audit.log | audit2allow >> domains/misc/local.te
+$ cat domains/misc/local.te
+allow cupsd_config_t unconfined_t:fifo_file { getattr ioctl };
+<review domains/misc/local.te and customize as desired>
+$ make load
+
.fi
.PP
.SH AUTHOR
diff --git a/policycoreutils/audit2allow/sepolgen-ifgen b/policycoreutils/audit2allow/sepolgen-ifgen
index 03f95a1..466e8ea 100644
--- a/policycoreutils/audit2allow/sepolgen-ifgen
+++ b/policycoreutils/audit2allow/sepolgen-ifgen
@@ -1,4 +1,4 @@
-#! /usr/bin/python -E
+#! /usr/bin/python -Es
#
# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
#
@@ -28,6 +28,10 @@
import sys
import os
+import tempfile
+import subprocess
+
+import selinux
import sepolgen.refparser as refparser
import sepolgen.defaults as defaults
@@ -35,6 +39,7 @@ import sepolgen.interfaces as interfaces
VERSION = "%prog .1"
+ATTR_HELPER = "/usr/bin/sepolgen-ifgen-attr-helper"
def parse_options():
from optparse import OptionParser
@@ -44,14 +49,56 @@ def parse_options():
help="filename to store output")
parser.add_option("-i", "--interfaces", dest="headers", default=defaults.headers(),
help="location of the interface header files")
+ parser.add_option("-a", "--attribute_info", dest="attribute_info")
parser.add_option("-v", "--verbose", action="store_true", default=False,
help="print debuging output")
parser.add_option("-d", "--debug", action="store_true", default=False,
help="extra debugging output")
+ parser.add_option("--no_attrs", action="store_true", default=False,
+ help="do not retrieve attribute access from kernel policy")
options, args = parser.parse_args()
return options
+def get_policy():
+ i = selinux.security_policyvers()
+ p = selinux.selinux_binary_policy_path() + "." + str(i)
+ while i > 0 and not os.path.exists(p):
+ i = i - 1
+ p = selinux.selinux_binary_policy_path() + "." + str(i)
+ if i > 0:
+ return p
+ return None
+
+def get_attrs():
+ try:
+ policy_path = get_policy()
+ if not policy_path:
+ sys.stderr.write("No installed policy to check\n")
+ return None
+ outfile = tempfile.NamedTemporaryFile()
+ except IOError, e:
+ sys.stderr.write("could not open attribute output file\n")
+ return None
+ except OSError:
+ # SELinux Disabled Machine
+ return None
+
+ fd = open("/dev/null","w")
+ ret = subprocess.Popen([ATTR_HELPER, policy_path, outfile.name], stdout=fd).wait()
+ fd.close()
+ if ret != 0:
+ sys.stderr.write("could not run attribute helper")
+ return None
+
+ attrs = interfaces.AttributeSet()
+ try:
+ attrs.from_file(outfile)
+ except:
+ print "error parsing attribute info"
+ return None
+
+ return attrs
def main():
options = parse_options()
@@ -68,6 +115,14 @@ def main():
else:
log = None
+ # Get the attibutes from the binary
+ attrs = None
+ if not options.no_attrs:
+ attrs = get_attrs()
+ if attrs is None:
+ return 1
+
+ # Parse the headers
try:
headers = refparser.parse_headers(options.headers, output=log, debug=options.debug)
except ValueError, e:
@@ -76,7 +131,7 @@ def main():
return 1
if_set = interfaces.InterfaceSet(output=log)
- if_set.add_headers(headers)
+ if_set.add_headers(headers, attributes=attrs)
if_set.to_file(f)
f.close()
diff --git a/policycoreutils/newrole/newrole.c b/policycoreutils/newrole/newrole.c
index 2d31d64..e985289 100644
--- a/policycoreutils/newrole/newrole.c
+++ b/policycoreutils/newrole/newrole.c
@@ -586,7 +586,7 @@ static int drop_capabilities(int full)
return -1;
}
if (! full)
- capng_update(CAPNG_ADD, CAPNG_EFFECTIVE | CAPNG_PERMITTED, CAP_SYS_ADMIN | CAP_FOWNER | CAP_CHOWN | CAP_DAC_OVERRIDE);
+ capng_update(CAPNG_ADD, CAPNG_EFFECTIVE | CAPNG_PERMITTED, CAP_SYS_ADMIN | CAP_FOWNER | CAP_CHOWN | CAP_DAC_OVERRIDE | CAP_SETPCAP );
return capng_apply(CAPNG_SELECT_BOTH);
}
@@ -1030,8 +1030,13 @@ int main(int argc, char *argv[])
* if it makes sense to continue to run newrole, and setting up
* a scrubbed environment.
*/
- if (drop_capabilities(FALSE))
+
+/* if (drop_capabilities(FALSE)) {
+ fprintf(stderr, _("Sorry, newrole failed to drop capabilities\n"));
+ perror("");
return -1;
+ }
+*/
if (set_signal_handles())
return -1;
diff --git a/policycoreutils/restorecond/Makefile b/policycoreutils/restorecond/Makefile
index 3f235e6..7552668 100644
--- a/policycoreutils/restorecond/Makefile
+++ b/policycoreutils/restorecond/Makefile
@@ -1,17 +1,28 @@
# Installation directories.
PREFIX ?= ${DESTDIR}/usr
SBINDIR ?= $(PREFIX)/sbin
+LIBDIR ?= $(PREFIX)/lib
MANDIR = $(PREFIX)/share/man
+AUTOSTARTDIR = $(DESTDIR)/etc/xdg/autostart
+DBUSSERVICEDIR = $(DESTDIR)/usr/share/dbus-1/services
+
+autostart_DATA = sealertauto.desktop
INITDIR = $(DESTDIR)/etc/rc.d/init.d
SELINUXDIR = $(DESTDIR)/etc/selinux
+DBUSFLAGS = -DHAVE_DBUS -I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/lib/dbus-1.0/include
+DBUSLIB = -ldbus-glib-1 -ldbus-1
+
CFLAGS ?= -g -Werror -Wall -W
-override CFLAGS += -I$(PREFIX)/include -D_FILE_OFFSET_BITS=64
-LDLIBS += -lselinux -L$(PREFIX)/lib
+override CFLAGS += -I$(PREFIX)/include $(DBUSFLAGS) -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/lib/glib-2.0/include
+
+LDLIBS += -lselinux $(DBUSLIB) -lglib-2.0 -L$(LIBDIR)
all: restorecond
-restorecond: restorecond.o utmpwatcher.o stringslist.o
+restorecond.o utmpwatcher.o stringslist.o user.o watch.o: restorecond.h
+
+restorecond: ../setfiles/restore.o restorecond.o utmpwatcher.o stringslist.o user.o watch.o
$(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS)
install: all
@@ -22,7 +33,12 @@ install: all
-mkdir -p $(INITDIR)
install -m 755 restorecond.init $(INITDIR)/restorecond
-mkdir -p $(SELINUXDIR)
- install -m 600 restorecond.conf $(SELINUXDIR)/restorecond.conf
+ install -m 644 restorecond.conf $(SELINUXDIR)/restorecond.conf
+ install -m 644 restorecond_user.conf $(SELINUXDIR)/restorecond_user.conf
+ -mkdir -p $(AUTOSTARTDIR)
+ install -m 644 restorecond.desktop $(AUTOSTARTDIR)/restorecond.desktop
+ -mkdir -p $(DBUSSERVICEDIR)
+ install -m 600 org.selinux.Restorecond.service $(DBUSSERVICEDIR)/org.selinux.Restorecond.service
relabel: install
/sbin/restorecon $(SBINDIR)/restorecond
diff --git a/policycoreutils/restorecond/org.selinux.Restorecond.service b/policycoreutils/restorecond/org.selinux.Restorecond.service
new file mode 100644
index 0000000..0ef5f0b
--- /dev/null
+++ b/policycoreutils/restorecond/org.selinux.Restorecond.service
@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=org.selinux.Restorecond
+Exec=/usr/sbin/restorecond -u
diff --git a/policycoreutils/restorecond/restorecond.8 b/policycoreutils/restorecond/restorecond.8
index b149dcb..0c14c94 100644
--- a/policycoreutils/restorecond/restorecond.8
+++ b/policycoreutils/restorecond/restorecond.8
@@ -3,7 +3,7 @@
restorecond \- daemon that watches for file creation and then sets the default SELinux file context
.SH "SYNOPSIS"
-.B restorecond [\-d]
+.B restorecond [\-d] [\-f restorecond_file ] [\-u] [\-v]
.P
.SH "DESCRIPTION"
@@ -19,13 +19,22 @@ the correct file context associated with the policy.
.B \-d
Turns on debugging mode. Application will stay in the foreground and lots of
debugs messages start printing.
+.TP
+.B \-f restorecond_file
+Use alternative restorecond.conf file.
+.TP
+.B \-u
+Turns on user mode. Runs restorecond in the user session and reads /etc/selinux/restorecond_user.conf. Uses dbus to make sure only one restorecond is running per user session.
+.TP
+.B \-v
+Turns on verbose debugging. (Report missing files)
.SH "AUTHOR"
-This man page was written by Dan Walsh <dwalsh@redhat.com>.
-The program was written by Dan Walsh <dwalsh@redhat.com>.
+This man page and program was written by Dan Walsh <dwalsh@redhat.com>.
.SH "FILES"
/etc/selinux/restorecond.conf
+/etc/selinux/restorecond_user.conf
.SH "SEE ALSO"
.BR restorecon (8),
diff --git a/policycoreutils/restorecond/restorecond.c b/policycoreutils/restorecond/restorecond.c
index 58774e6..a588e5e 100644
--- a/policycoreutils/restorecond/restorecond.c
+++ b/policycoreutils/restorecond/restorecond.c
@@ -30,9 +30,11 @@
* and makes sure that there security context matches the systems defaults
*
* USAGE:
- * restorecond [-d] [-v]
+ * restorecond [-d] [-u] [-v] [-f restorecond_file ]
*
* -d Run in debug mode
+ * -f Use alternative restorecond_file
+ * -u Run in user mode
* -v Run in verbose mode (Report missing files)
*
* EXAMPLE USAGE:
@@ -48,294 +50,38 @@
#include <signal.h>
#include <string.h>
#include <unistd.h>
-#include <ctype.h>
+#include "../setfiles/restore.h"
#include <sys/types.h>
-#include <sys/stat.h>
#include <syslog.h>
#include <limits.h>
+#include <pwd.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <stdio.h>
#include <fcntl.h>
-
#include "restorecond.h"
-#include "stringslist.h"
#include "utmpwatcher.h"
-extern char *dirname(char *path);
+const char *homedir;
static int master_fd = -1;
-static int master_wd = -1;
-static int terminate = 0;
-
-#include <selinux/selinux.h>
-#include <utmp.h>
-
-/* size of the event structure, not counting name */
-#define EVENT_SIZE (sizeof (struct inotify_event))
-/* reasonable guess as to size of 1024 events */
-#define BUF_LEN (1024 * (EVENT_SIZE + 16))
-
-static int debug_mode = 0;
-static int verbose_mode = 0;
-
-static void restore(const char *filename, int exact);
-
-struct watchList {
- struct watchList *next;
- int wd;
- char *dir;
- struct stringsList *files;
-};
-struct watchList *firstDir = NULL;
-
-/* Compare two contexts to see if their differences are "significant",
- * or whether the only difference is in the user. */
-static int only_changed_user(const char *a, const char *b)
-{
- char *rest_a, *rest_b; /* Rest of the context after the user */
- if (!a || !b)
- return 0;
- rest_a = strchr(a, ':');
- rest_b = strchr(b, ':');
- if (!rest_a || !rest_b)
- return 0;
- return (strcmp(rest_a, rest_b) == 0);
-}
-
-/*
- A file was in a direcroty has been created. This function checks to
- see if it is one that we are watching.
-*/
-
-static int watch_list_find(int wd, const char *file)
-{
- struct watchList *ptr = NULL;
- ptr = firstDir;
-
- if (debug_mode)
- printf("%d: File=%s\n", wd, file);
- while (ptr != NULL) {
- if (ptr->wd == wd) {
- int exact=0;
- if (strings_list_find(ptr->files, file, &exact) == 0) {
- char *path = NULL;
- if (asprintf(&path, "%s/%s", ptr->dir, file) <
- 0)
- exitApp("Error allocating memory.");
- restore(path, exact);
- free(path);
- return 0;
- }
- if (debug_mode)
- strings_list_print(ptr->files);
-
- /* Not found in this directory */
- return -1;
- }
- ptr = ptr->next;
- }
- /* Did not find a directory */
- return -1;
-}
-
-static void watch_list_free(int fd)
-{
- struct watchList *ptr = NULL;
- struct watchList *prev = NULL;
- ptr = firstDir;
-
- while (ptr != NULL) {
- inotify_rm_watch(fd, ptr->wd);
- strings_list_free(ptr->files);
- free(ptr->dir);
- prev = ptr;
- ptr = ptr->next;
- free(prev);
- }
- firstDir = NULL;
-}
-
-/*
- Set the file context to the default file context for this system.
- Same as restorecon.
-*/
-static void restore(const char *filename, int exact)
-{
- int retcontext = 0;
- security_context_t scontext = NULL;
- security_context_t prev_context = NULL;
- struct stat st;
- int fd = -1;
- if (debug_mode)
- printf("restore %s\n", filename);
-
- fd = open(filename, O_NOFOLLOW | O_RDONLY);
- if (fd < 0) {
- if (verbose_mode)
- syslog(LOG_ERR, "Unable to open file (%s) %s\n",
- filename, strerror(errno));
- return;
- }
-
- if (fstat(fd, &st) != 0) {
- syslog(LOG_ERR, "Unable to stat file (%s) %s\n", filename,
- strerror(errno));
- close(fd);
- return;
- }
-
- if (!(st.st_mode & S_IFDIR) && st.st_nlink > 1) {
- if (exact) {
- syslog(LOG_ERR,
- "Will not restore a file with more than one hard link (%s) %s\n",
- filename, strerror(errno));
- }
- close(fd);
- return;
- }
-
- if (matchpathcon(filename, st.st_mode, &scontext) < 0) {
- if (errno == ENOENT)
- return;
- syslog(LOG_ERR, "matchpathcon(%s) failed %s\n", filename,
- strerror(errno));
- return;
- }
- retcontext = fgetfilecon_raw(fd, &prev_context);
-
- if (retcontext >= 0 || errno == ENODATA) {
- if (retcontext < 0)
- prev_context = NULL;
- if (retcontext < 0 || (strcmp(prev_context, scontext) != 0)) {
-
- if (only_changed_user(scontext, prev_context) != 0) {
- free(scontext);
- free(prev_context);
- close(fd);
- return;
- }
-
- if (fsetfilecon(fd, scontext) < 0) {
- if (errno != EOPNOTSUPP)
- syslog(LOG_ERR,
- "set context %s->%s failed:'%s'\n",
- filename, scontext, strerror(errno));
- if (retcontext >= 0)
- free(prev_context);
- free(scontext);
- close(fd);
- return;
- }
- syslog(LOG_WARNING, "Reset file context %s: %s->%s\n",
- filename, prev_context, scontext);
- }
- if (retcontext >= 0)
- free(prev_context);
- } else {
- if (errno != EOPNOTSUPP)
- syslog(LOG_ERR, "get context on %s failed: '%s'\n",
- filename, strerror(errno));
- }
- free(scontext);
- close(fd);
-}
-
-static void process_config(int fd, FILE * cfg)
-{
- char *line_buf = NULL;
- size_t len = 0;
-
- while (getline(&line_buf, &len, cfg) > 0) {
- char *buffer = line_buf;
- while (isspace(*buffer))
- buffer++;
- if (buffer[0] == '#')
- continue;
- int l = strlen(buffer) - 1;
- if (l <= 0)
- continue;
- buffer[l] = 0;
- if (buffer[0] == '~')
- utmpwatcher_add(fd, &buffer[1]);
- else {
- watch_list_add(fd, buffer);
- }
- }
- free(line_buf);
-}
-/*
- Read config file ignoring Comment lines
- Files specified one per line. Files with "~" will be expanded to the logged in users
- homedirs.
-*/
-
-static void read_config(int fd)
-{
- char *watch_file_path = "/etc/selinux/restorecond.conf";
-
- FILE *cfg = NULL;
- if (debug_mode)
- printf("Read Config\n");
-
- watch_list_free(fd);
-
- cfg = fopen(watch_file_path, "r");
- if (!cfg)
- exitApp("Error reading config file.");
- process_config(fd, cfg);
- fclose(cfg);
-
- inotify_rm_watch(fd, master_wd);
- master_wd =
- inotify_add_watch(fd, watch_file_path, IN_MOVED_FROM | IN_MODIFY);
- if (master_wd == -1)
- exitApp("Error watching config file.");
-}
-
-/*
- Inotify watch loop
-*/
-static int watch(int fd)
-{
- char buf[BUF_LEN];
- int len, i = 0;
- len = read(fd, buf, BUF_LEN);
- if (len < 0) {
- if (terminate == 0) {
- syslog(LOG_ERR, "Read error (%s)", strerror(errno));
- return 0;
- }
- syslog(LOG_ERR, "terminated");
- return -1;
- } else if (!len)
- /* BUF_LEN too small? */
- return -1;
- while (i < len) {
- struct inotify_event *event;
- event = (struct inotify_event *)&buf[i];
- if (debug_mode)
- printf("wd=%d mask=%u cookie=%u len=%u\n",
- event->wd, event->mask,
- event->cookie, event->len);
- if (event->wd == master_wd)
- read_config(fd);
- else {
- switch (utmpwatcher_handle(fd, event->wd)) {
- case -1: /* Message was not for utmpwatcher */
- if (event->len)
- watch_list_find(event->wd, event->name);
- break;
+static char *server_watch_file = "/etc/selinux/restorecond.conf";
+static char *user_watch_file = "/etc/selinux/restorecond_user.conf";
+static char *watch_file;
+static struct restore_opts r_opts;
- case 1: /* utmp has changed need to reload */
- read_config(fd);
- break;
+#include <selinux/selinux.h>
- default: /* No users logged in or out */
- break;
- }
- }
+int debug_mode = 0;
+int terminate = 0;
+int master_wd = -1;
+int run_as_user = 0;
- i += EVENT_SIZE + event->len;
- }
- return 0;
+static void done(void) {
+ watch_list_free(master_fd);
+ close(master_fd);
+ utmpwatcher_free();
+ matchpathcon_fini();
}
static const char *pidfile = "/var/run/restorecond.pid";
@@ -374,7 +120,7 @@ static void term_handler()
static void usage(char *program)
{
- printf("%s [-d] [-v] \n", program);
+ printf("%s [-d] [-f restorecond_file ] [-u] [-v] \n", program);
exit(0);
}
@@ -390,74 +136,35 @@ void exitApp(const char *msg)
to see if it is one that we are watching.
*/
-void watch_list_add(int fd, const char *path)
-{
- struct watchList *ptr = NULL;
- struct watchList *prev = NULL;
- char *x = strdup(path);
- if (!x)
- exitApp("Out of Memory");
- char *dir = dirname(x);
- char *file = basename(path);
- ptr = firstDir;
-
- restore(path, 1);
-
- while (ptr != NULL) {
- if (strcmp(dir, ptr->dir) == 0) {
- strings_list_add(&ptr->files, file);
- free(x);
- return;
- }
- prev = ptr;
- ptr = ptr->next;
- }
- ptr = calloc(1, sizeof(struct watchList));
-
- if (!ptr)
- exitApp("Out of Memory");
-
- ptr->wd = inotify_add_watch(fd, dir, IN_CREATE | IN_MOVED_TO);
- if (ptr->wd == -1) {
- free(ptr);
- syslog(LOG_ERR, "Unable to watch (%s) %s\n",
- path, strerror(errno));
- return;
- }
-
- ptr->dir = strdup(dir);
- if (!ptr->dir)
- exitApp("Out of Memory");
-
- strings_list_add(&ptr->files, file);
- if (prev)
- prev->next = ptr;
- else
- firstDir = ptr;
-
- if (debug_mode)
- printf("%d: Dir=%s, File=%s\n", ptr->wd, ptr->dir, file);
-
- free(x);
-}
-
int main(int argc, char **argv)
{
int opt;
struct sigaction sa;
-#ifndef DEBUG
- /* Make sure we are root */
- if (getuid() != 0) {
- fprintf(stderr, "You must be root to run this program.\n");
- return 1;
- }
-#endif
- /* Make sure we are root */
- if (is_selinux_enabled() != 1) {
- fprintf(stderr, "Daemon requires SELinux be enabled to run.\n");
- return 1;
- }
+ memset(&r_opts, 0, sizeof(r_opts));
+
+ r_opts.progress = 0;
+ r_opts.count = 0;
+ r_opts.debug = 0;
+ r_opts.change = 1;
+ r_opts.verbose = 0;
+ r_opts.logging = 0;
+ r_opts.rootpath = NULL;
+ r_opts.rootpathlen = 0;
+ r_opts.outfile = NULL;
+ r_opts.force = 0;
+ r_opts.hard_links = 0;
+ r_opts.abort_on_error = 0;
+ r_opts.add_assoc = 0;
+ r_opts.expand_realpath = 0;
+ r_opts.fts_flags = FTS_PHYSICAL;
+ r_opts.selabel_opt_validate = NULL;
+ r_opts.selabel_opt_path = NULL;
+ r_opts.ignore_enoent = 1;
+
+ restore_init(&r_opts);
+ /* If we are not running SELinux then just exit */
+ if (is_selinux_enabled() != 1) return 0;
/* Register sighandlers */
sa.sa_flags = 0;
@@ -467,36 +174,59 @@ int main(int argc, char **argv)
set_matchpathcon_flags(MATCHPATHCON_NOTRANS);
- master_fd = inotify_init();
- if (master_fd < 0)
- exitApp("inotify_init");
-
- while ((opt = getopt(argc, argv, "dv")) > 0) {
+ exclude_non_seclabel_mounts();
+ atexit( done );
+ while ((opt = getopt(argc, argv, "df:uv")) > 0) {
switch (opt) {
case 'd':
debug_mode = 1;
break;
+ case 'f':
+ watch_file = optarg;
+ break;
+ case 'u':
+ run_as_user = 1;
+ break;
case 'v':
- verbose_mode = 1;
+ r_opts.verbose++;
break;
case '?':
usage(argv[0]);
}
}
- read_config(master_fd);
+
+ master_fd = inotify_init();
+ if (master_fd < 0)
+ exitApp("inotify_init");
+
+ uid_t uid = getuid();
+ struct passwd *pwd = getpwuid(uid);
+ if (!pwd)
+ exitApp("getpwuid");
+
+ homedir = pwd->pw_dir;
+ if (uid != 0) {
+ if (run_as_user)
+ return server(master_fd, user_watch_file);
+ if (start() != 0)
+ return server(master_fd, user_watch_file);
+ return 0;
+ }
+
+ watch_file = server_watch_file;
+ read_config(master_fd, watch_file);
if (!debug_mode)
daemon(0, 0);
write_pid_file();
- while (watch(master_fd) == 0) {
+ while (watch(master_fd, watch_file) == 0) {
};
watch_list_free(master_fd);
close(master_fd);
matchpathcon_fini();
- utmpwatcher_free();
if (pidfile)
unlink(pidfile);
diff --git a/policycoreutils/restorecond/restorecond.conf b/policycoreutils/restorecond/restorecond.conf
index 3fc9376..58b723a 100644
--- a/policycoreutils/restorecond/restorecond.conf
+++ b/policycoreutils/restorecond/restorecond.conf
@@ -4,8 +4,5 @@
/etc/mtab
/var/run/utmp
/var/log/wtmp
-~/*
-/root/.ssh
+/root/*
/root/.ssh/*
-
-
diff --git a/policycoreutils/restorecond/restorecond.desktop b/policycoreutils/restorecond/restorecond.desktop
new file mode 100644
index 0000000..23ff89d
--- /dev/null
+++ b/policycoreutils/restorecond/restorecond.desktop
@@ -0,0 +1,7 @@
+[Desktop Entry]
+Name=File Context maintainer
+Exec=/usr/sbin/restorecond -u
+Comment=Fix file context in owned by the user
+Encoding=UTF-8
+Type=Application
+StartupNotify=false
diff --git a/policycoreutils/restorecond/restorecond.h b/policycoreutils/restorecond/restorecond.h
index e1666bf..8c85ef0 100644
--- a/policycoreutils/restorecond/restorecond.h
+++ b/policycoreutils/restorecond/restorecond.h
@@ -24,7 +24,22 @@
#ifndef RESTORED_CONFIG_H
#define RESTORED_CONFIG_H
-void exitApp(const char *msg);
-void watch_list_add(int inotify_fd, const char *path);
+extern int debug_mode;
+extern const char *homedir;
+extern int terminate;
+extern int master_wd;
+extern int run_as_user;
+
+extern int start(void);
+extern int server(int, const char *watch_file);
+
+extern void exitApp(const char *msg);
+extern void read_config(int fd, const char *watch_file);
+
+extern int watch(int fd, const char *watch_file);
+extern void watch_list_add(int inotify_fd, const char *path);
+extern int watch_list_find(int wd, const char *file);
+extern void watch_list_free(int fd);
+extern int watch_list_isempty();
#endif
diff --git a/policycoreutils/restorecond/restorecond.init b/policycoreutils/restorecond/restorecond.init
index b966db6..775c52b 100644
--- a/policycoreutils/restorecond/restorecond.init
+++ b/policycoreutils/restorecond/restorecond.init
@@ -26,7 +26,7 @@ PATH=/sbin:/bin:/usr/bin:/usr/sbin
# Source function library.
. /etc/rc.d/init.d/functions
-[ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled || exit 0
+[ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled || exit 7
# Check that we are root ... so non-root users stop here
test $EUID = 0 || exit 4
@@ -75,16 +75,15 @@ case "$1" in
status restorecond
RETVAL=$?
;;
- restart|reload)
+ force-reload|restart|reload)
restart
;;
condrestart)
[ -e /var/lock/subsys/restorecond ] && restart || :
;;
*)
- echo $"Usage: $0 {start|stop|restart|reload|condrestart}"
+ echo $"Usage: $0 {start|stop|restart|force-reload|status|condrestart}"
RETVAL=3
esac
exit $RETVAL
-
diff --git a/policycoreutils/restorecond/restorecond_user.conf b/policycoreutils/restorecond/restorecond_user.conf
new file mode 100644
index 0000000..f88a29a
--- /dev/null
+++ b/policycoreutils/restorecond/restorecond_user.conf
@@ -0,0 +1,7 @@
+~/*
+~/public_html/*
+~/.gnome2/*
+~/local/*
+~/.fonts/*
+~/.cache/*
+
diff --git a/policycoreutils/restorecond/user.c b/policycoreutils/restorecond/user.c
new file mode 100644
index 0000000..8cf2f20
--- /dev/null
+++ b/policycoreutils/restorecond/user.c
@@ -0,0 +1,242 @@
+/*
+ * restorecond
+ *
+ * Copyright (C) 2006-2009 Red Hat
+ * see file 'COPYING' for use and warranty information
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+.*
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ *
+ * Authors:
+ * Dan Walsh <dwalsh@redhat.com>
+ *
+*/
+
+#define _GNU_SOURCE
+#include <sys/inotify.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <syslog.h>
+#include <limits.h>
+#include <fcntl.h>
+
+#include "restorecond.h"
+#include "stringslist.h"
+#include <glib.h>
+#ifdef HAVE_DBUS
+#include <dbus/dbus.h>
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+
+static DBusHandlerResult signal_filter (DBusConnection *connection, DBusMessage *message, void *user_data);
+
+static const char *PATH="/org/selinux/Restorecond";
+//static const char *BUSNAME="org.selinux.Restorecond";
+static const char *INTERFACE="org.selinux.RestorecondIface";
+static const char *RULE="type='signal',interface='org.selinux.RestorecondIface'";
+
+
+static DBusHandlerResult
+signal_filter (DBusConnection *connection __attribute__ ((__unused__)), DBusMessage *message, void *user_data)
+{
+ /* User data is the event loop we are running in */
+ GMainLoop *loop = user_data;
+
+ /* A signal from the bus saying we are about to be disconnected */
+ if (dbus_message_is_signal
+ (message, INTERFACE, "Stop")) {
+
+ /* Tell the main loop to quit */
+ g_main_loop_quit (loop);
+ /* We have handled this message, don't pass it on */
+ return DBUS_HANDLER_RESULT_HANDLED;
+ }
+ /* A Ping signal on the com.burtonini.dbus.Signal interface */
+ else if (dbus_message_is_signal (message, INTERFACE, "Start")) {
+ DBusError error;
+ dbus_error_init (&error);
+ g_print("Start received\n");
+ return DBUS_HANDLER_RESULT_HANDLED;
+ }
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static int dbus_server(GMainLoop *loop) {
+ DBusConnection *bus;
+ DBusError error;
+ dbus_error_init (&error);
+ bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
+ if (bus) {
+ dbus_connection_setup_with_g_main (bus, NULL);
+
+ /* listening to messages from all objects as no path is specified */
+ dbus_bus_add_match (bus, RULE, &error); // see signals from the given interfacey
+ dbus_connection_add_filter (bus, signal_filter, loop, NULL);
+ return 0;
+ }
+ return -1;
+}
+
+#endif
+#include <selinux/selinux.h>
+#include <sys/file.h>
+
+/* size of the event structure, not counting name */
+#define EVENT_SIZE (sizeof (struct inotify_event))
+/* reasonable guess as to size of 1024 events */
+#define BUF_LEN (1024 * (EVENT_SIZE + 16))
+
+static gboolean
+io_channel_callback
+ (GIOChannel *source,
+ GIOCondition condition,
+ gpointer data __attribute__((__unused__)))
+{
+
+ char buffer[BUF_LEN+1];
+ gsize bytes_read;
+ unsigned int i = 0;
+
+ if (condition & G_IO_IN) {
+ /* Data is available. */
+ g_io_channel_read
+ (source, buffer,
+ sizeof (buffer),
+ &bytes_read);
+
+ while (i < bytes_read) {
+ struct inotify_event *event;
+ event = (struct inotify_event *)&buffer[i];
+ if (debug_mode)
+ printf("wd=%d mask=%u cookie=%u len=%u\n",
+ event->wd, event->mask,
+ event->cookie, event->len);
+ if (event->len)
+ watch_list_find(event->wd, event->name);
+
+ i += EVENT_SIZE + event->len;
+ }
+ }
+
+ /* An error happened while reading
+ the file. */
+
+ if (condition & G_IO_NVAL)
+ return FALSE;
+
+ /* We have reached the end of the
+ file. */
+
+ if (condition & G_IO_HUP) {
+ g_io_channel_close (source);
+ return FALSE;
+ }
+
+ /* Returning TRUE will make sure
+ the callback remains associated
+ to the channel. */
+
+ return TRUE;
+}
+
+int start() {
+#ifdef HAVE_DBUS
+ DBusConnection *bus;
+ DBusError error;
+ DBusMessage *message;
+
+ /* Get a connection to the session bus */
+ dbus_error_init (&error);
+ bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
+ if (!bus) {
+ if (debug_mode)
+ g_warning ("Failed to connect to the D-BUS daemon: %s", error.message);
+ dbus_error_free (&error);
+ return 1;
+ }
+
+
+ /* Create a new signal "Start" on the interface,
+ * from the object */
+ message = dbus_message_new_signal (PATH,
+ INTERFACE, "Start");
+ /* Send the signal */
+ dbus_connection_send (bus, message, NULL);
+ /* Free the signal now we have finished with it */
+ dbus_message_unref (message);
+#endif /* HAVE_DBUS */
+ return 0;
+}
+
+static int local_server() {
+ // ! dbus, run as local service
+ char *ptr=NULL;
+ asprintf(&ptr, "%s/.restorecond", homedir);
+ int fd = open(ptr, O_CREAT | O_WRONLY | O_NOFOLLOW, S_IRUSR | S_IWUSR);
+ if (debug_mode)
+ g_warning ("Lock file: %s", ptr);
+
+ free(ptr);
+ if (fd < 0) {
+ if (debug_mode)
+ perror("open");
+ return -1;
+ }
+ if (flock(fd, LOCK_EX | LOCK_NB) < 0) {
+ if (debug_mode)
+ perror("flock");
+ return -1;
+ }
+ return 0;
+}
+
+int server(int master_fd, const char *watch_file) {
+ GMainLoop *loop;
+
+ loop = g_main_loop_new (NULL, FALSE);
+
+#ifdef HAVE_DBUS
+ if (dbus_server(loop) != 0)
+#endif /* HAVE_DBUS */
+ if (local_server(loop))
+ goto end;
+
+ read_config(master_fd, watch_file);
+
+ if (watch_list_isempty()) goto end;
+
+ set_matchpathcon_flags(MATCHPATHCON_NOTRANS);
+
+ GIOChannel *c = g_io_channel_unix_new(master_fd);
+
+ g_io_add_watch_full( c,
+ G_PRIORITY_HIGH,
+ G_IO_IN|G_IO_ERR|G_IO_HUP,
+ io_channel_callback, NULL, NULL);
+
+ g_main_loop_run (loop);
+
+end:
+ g_main_loop_unref (loop);
+ return 0;
+}
+
diff --git a/policycoreutils/restorecond/utmpwatcher.c b/policycoreutils/restorecond/utmpwatcher.c
index f182c22..feddb5a 100644
--- a/policycoreutils/restorecond/utmpwatcher.c
+++ b/policycoreutils/restorecond/utmpwatcher.c
@@ -72,8 +72,8 @@ unsigned int utmpwatcher_handle(int inotify_fd, int wd)
if (utmp_wd == -1)
exitApp("Error watching utmp file.");
+ changed = strings_list_diff(prev_utmp_ptr, utmp_ptr);
if (prev_utmp_ptr) {
- changed = strings_list_diff(prev_utmp_ptr, utmp_ptr);
strings_list_free(prev_utmp_ptr);
}
return changed;
diff --git a/policycoreutils/restorecond/watch.c b/policycoreutils/restorecond/watch.c
new file mode 100644
index 0000000..20a861f
--- /dev/null
+++ b/policycoreutils/restorecond/watch.c
@@ -0,0 +1,270 @@
+#define _GNU_SOURCE
+#include <sys/inotify.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <syslog.h>
+#include "../setfiles/restore.h"
+#include <glob.h>
+#include <libgen.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <selinux/selinux.h>
+#include "restorecond.h"
+#include "stringslist.h"
+#include "utmpwatcher.h"
+
+/* size of the event structure, not counting name */
+#define EVENT_SIZE (sizeof (struct inotify_event))
+/* reasonable guess as to size of 1024 events */
+#define BUF_LEN (1024 * (EVENT_SIZE + 16))
+
+
+struct watchList {
+ struct watchList *next;
+ int wd;
+ char *dir;
+ struct stringsList *files;
+};
+struct watchList *firstDir = NULL;
+
+int watch_list_isempty() {
+ return firstDir == NULL;
+}
+
+void watch_list_add(int fd, const char *path)
+{
+ struct watchList *ptr = NULL;
+ size_t i = 0;
+ struct watchList *prev = NULL;
+ glob_t globbuf;
+ char *x = strdup(path);
+ if (!x) exitApp("Out of Memory");
+ char *file = basename(x);
+ char *dir = dirname(x);
+ ptr = firstDir;
+
+ if (exclude(path)) goto end;
+
+ globbuf.gl_offs = 1;
+ if (glob(path,
+ GLOB_TILDE | GLOB_PERIOD,
+ NULL,
+ &globbuf) >= 0) {
+ for (i=0; i < globbuf.gl_pathc; i++) {
+ int len = strlen(globbuf.gl_pathv[i]) -2;
+ if (len > 0 && strcmp(&globbuf.gl_pathv[i][len--], "/.") == 0) continue;
+ if (len > 0 && strcmp(&globbuf.gl_pathv[i][len], "/..") == 0) continue;
+ if (process_one_realpath(globbuf.gl_pathv[i], 0) > 0)
+ process_one_realpath(globbuf.gl_pathv[i], 1);
+ }
+ globfree(&globbuf);
+ }
+
+ while (ptr != NULL) {
+ if (strcmp(dir, ptr->dir) == 0) {
+ strings_list_add(&ptr->files, file);
+ goto end;
+ }
+ prev = ptr;
+ ptr = ptr->next;
+ }
+ ptr = calloc(1, sizeof(struct watchList));
+
+ if (!ptr) exitApp("Out of Memory");
+
+ ptr->wd = inotify_add_watch(fd, dir, IN_CREATE | IN_MOVED_TO);
+ if (ptr->wd == -1) {
+ free(ptr);
+ if (! run_as_user)
+ syslog(LOG_ERR, "Unable to watch (%s) %s\n",
+ path, strerror(errno));
+ goto end;
+ }
+
+ ptr->dir = strdup(dir);
+ if (!ptr->dir)
+ exitApp("Out of Memory");
+
+ strings_list_add(&ptr->files, file);
+ if (prev)
+ prev->next = ptr;
+ else
+ firstDir = ptr;
+
+ if (debug_mode)
+ printf("%d: Dir=%s, File=%s\n", ptr->wd, ptr->dir, file);
+
+end:
+ free(x);
+ return;
+}
+
+/*
+ A file was in a direcroty has been created. This function checks to
+ see if it is one that we are watching.
+*/
+
+int watch_list_find(int wd, const char *file)
+{
+ struct watchList *ptr = NULL;
+ ptr = firstDir;
+ if (debug_mode)
+ printf("%d: File=%s\n", wd, file);
+ while (ptr != NULL) {
+ if (ptr->wd == wd) {
+ int exact=0;
+ if (strings_list_find(ptr->files, file, &exact) == 0) {
+ char *path = NULL;
+ if (asprintf(&path, "%s/%s", ptr->dir, file) <
+ 0)
+ exitApp("Error allocating memory.");
+
+ process_one_realpath(path, 0);
+ free(path);
+ return 0;
+ }
+ if (debug_mode)
+ strings_list_print(ptr->files);
+
+ /* Not found in this directory */
+ return -1;
+ }
+ ptr = ptr->next;
+ }
+ /* Did not find a directory */
+ return -1;
+}
+
+void watch_list_free(int fd)
+{
+ struct watchList *ptr = NULL;
+ struct watchList *prev = NULL;
+ ptr = firstDir;
+
+ while (ptr != NULL) {
+ inotify_rm_watch(fd, ptr->wd);
+ strings_list_free(ptr->files);
+ free(ptr->dir);
+ prev = ptr;
+ ptr = ptr->next;
+ free(prev);
+ }
+ firstDir = NULL;
+}
+
+/*
+ Inotify watch loop
+*/
+int watch(int fd, const char *watch_file)
+{
+ char buf[BUF_LEN];
+ int len, i = 0;
+ if (firstDir == NULL) return 0;
+
+ len = read(fd, buf, BUF_LEN);
+ if (len < 0) {
+ if (terminate == 0) {
+ syslog(LOG_ERR, "Read error (%s)", strerror(errno));
+ return 0;
+ }
+ syslog(LOG_ERR, "terminated");
+ return -1;
+ } else if (!len)
+ /* BUF_LEN too small? */
+ return -1;
+ while (i < len) {
+ struct inotify_event *event;
+ event = (struct inotify_event *)&buf[i];
+ if (debug_mode)
+ printf("wd=%d mask=%u cookie=%u len=%u\n",
+ event->wd, event->mask,
+ event->cookie, event->len);
+ if (event->wd == master_wd)
+ read_config(fd, watch_file);
+ else {
+ switch (utmpwatcher_handle(fd, event->wd)) {
+ case -1: /* Message was not for utmpwatcher */
+ if (event->len)
+ watch_list_find(event->wd, event->name);
+ break;
+ case 1: /* utmp has changed need to reload */
+ read_config(fd, watch_file);
+ break;
+
+ default: /* No users logged in or out */
+ break;
+ }
+ }
+
+ i += EVENT_SIZE + event->len;
+ }
+ return 0;
+}
+
+static void process_config(int fd, FILE * cfg)
+{
+ char *line_buf = NULL;
+ size_t len = 0;
+
+ while (getline(&line_buf, &len, cfg) > 0) {
+ char *buffer = line_buf;
+ while (isspace(*buffer))
+ buffer++;
+ if (buffer[0] == '#')
+ continue;
+ int l = strlen(buffer) - 1;
+ if (l <= 0)
+ continue;
+ buffer[l] = 0;
+ if (buffer[0] == '~') {
+ if (run_as_user) {
+ char *ptr=NULL;
+ asprintf(&ptr, "%s%s", homedir, &buffer[1]);
+ watch_list_add(fd, ptr);
+ free(ptr);
+ } else {
+ utmpwatcher_add(fd, &buffer[1]);
+ }
+ } else {
+ watch_list_add(fd, buffer);
+ }
+ }
+ free(line_buf);
+}
+
+/*
+ Read config file ignoring Comment lines
+ Files specified one per line. Files with "~" will be expanded to the logged in users
+ homedirs.
+*/
+
+void read_config(int fd, const char *watch_file_path)
+{
+
+ FILE *cfg = NULL;
+ if (debug_mode)
+ printf("Read Config\n");
+
+ watch_list_free(fd);
+
+ cfg = fopen(watch_file_path, "r");
+ if (!cfg){
+ perror(watch_file_path);
+ exitApp("Error reading config file");
+ }
+ process_config(fd, cfg);
+ fclose(cfg);
+
+ inotify_rm_watch(fd, master_wd);
+ master_wd =
+ inotify_add_watch(fd, watch_file_path, IN_MOVED_FROM | IN_MODIFY);
+ if (master_wd == -1)
+ exitApp("Error watching config file.");
+}
diff --git a/policycoreutils/run_init/open_init_pty.8 b/policycoreutils/run_init/open_init_pty.8
index 540860a..10175dd 100644
--- a/policycoreutils/run_init/open_init_pty.8
+++ b/policycoreutils/run_init/open_init_pty.8
@@ -24,18 +24,18 @@
.\"
.TH OPEN_INIT_PTY "8" "January 2005" "Security Enhanced Linux" NSA
.SH NAME
-open_init_pty \- run an program under a psuedo terminal
+open_init_pty \- run an program under a pseudo terminal
.SH SYNOPSIS
.B open_init_pty
\fISCRIPT\fR [[\fIARGS\fR]...]
.br
.SH DESCRIPTION
.PP
-Run a program under a psuedo terminal. This is used by
+Run a program under a pseudo terminal. This is used by
.B run_init
to run actually run the program after setting up the proper
-context. This program acquires a new Psuedo terminal, forks a child
-process that binds to the psueado terminal, and then sits around and
+context. This program acquires a new Pseudo terminal, forks a child
+process that binds to the pseudo terminal, and then sits around and
connects the physical terminal it was invoked upon with the pseudo
terminal, passing keyboard input into to the child process, and passing the
output of the child process to the physical terminal.
diff --git a/policycoreutils/sandbox/Makefile b/policycoreutils/sandbox/Makefile
index ff0ee7c..0c8a085 100644
--- a/policycoreutils/sandbox/Makefile
+++ b/policycoreutils/sandbox/Makefile
@@ -7,10 +7,10 @@ SBINDIR ?= $(PREFIX)/sbin
MANDIR ?= $(PREFIX)/share/man
LOCALEDIR ?= /usr/share/locale
SHAREDIR ?= $(PREFIX)/share/sandbox
-override CFLAGS += $(LDFLAGS) -I$(PREFIX)/include -DPACKAGE="\"policycoreutils\""
-LDLIBS += -lselinux -lcap-ng
+override CFLAGS += $(LDFLAGS) -I$(PREFIX)/include -DPACKAGE="\"policycoreutils\"" -Wall -Werror -Wextra
+LDLIBS += -lcgroup -lselinux -lcap-ng
-all: sandbox seunshare sandboxX.sh
+all: sandbox seunshare sandboxX.sh start
seunshare: seunshare.o $(EXTRA_OBJS)
$(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS)
@@ -20,14 +20,18 @@ install: all
install -m 755 sandbox $(BINDIR)
-mkdir -p $(MANDIR)/man8
install -m 644 sandbox.8 $(MANDIR)/man8/
+ install -m 644 seunshare.8 $(MANDIR)/man8/
+ -mkdir -p $(MANDIR)/man5
+ install -m 644 sandbox.conf.5 $(MANDIR)/man5/
-mkdir -p $(SBINDIR)
install -m 4755 seunshare $(SBINDIR)/
-mkdir -p $(SHAREDIR)
install -m 755 sandboxX.sh $(SHAREDIR)
+ install -m 755 start $(SHAREDIR)
-mkdir -p $(INITDIR)
install -m 755 sandbox.init $(INITDIR)/sandbox
-mkdir -p $(SYSCONFDIR)
- install -m 644 sandbox.config $(SYSCONFDIR)/sandbox
+ install -m 644 sandbox.conf $(SYSCONFDIR)/sandbox
test:
@python test_sandbox.py -v
diff --git a/policycoreutils/sandbox/sandbox b/policycoreutils/sandbox/sandbox
index 48a26c2..29c99ed 100644
--- a/policycoreutils/sandbox/sandbox
+++ b/policycoreutils/sandbox/sandbox
@@ -1,5 +1,6 @@
-#! /usr/bin/python -E
+#! /usr/bin/python -Es
# Authors: Dan Walsh <dwalsh@redhat.com>
+# Authors: Thomas Liu <tliu@fedoraproject.org>
# Authors: Josh Cogliati
#
# Copyright (C) 2009,2010 Red Hat
@@ -19,15 +20,17 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
-import os, sys, socket, random, fcntl, shutil, re, subprocess
+import os, stat, sys, socket, random, fcntl, shutil, re, subprocess
import selinux
import signal
from tempfile import mkdtemp
import pwd
+import commands
+import setools
PROGNAME = "policycoreutils"
-HOMEDIR=pwd.getpwuid(os.getuid()).pw_dir
-
+SEUNSHARE = "/usr/sbin/seunshare"
+SANDBOXSH = "/usr/share/sandbox/sandboxX.sh"
import gettext
gettext.bindtextdomain(PROGNAME, "/usr/share/locale")
gettext.textdomain(PROGNAME)
@@ -41,6 +44,7 @@ except IOError:
import __builtin__
__builtin__.__dict__['_'] = unicode
+DEFAULT_WINDOWSIZE = "1000x700"
DEFAULT_TYPE = "sandbox_t"
DEFAULT_X_TYPE = "sandbox_x_t"
SAVE_FILES = {}
@@ -63,15 +67,15 @@ def error_exit(msg):
sys.stderr.flush()
sys.exit(1)
-def copyfile(file, dir, dest):
+def copyfile(file, srcdir, dest):
import re
- if file.startswith(dir):
+ if file.startswith(srcdir):
dname = os.path.dirname(file)
bname = os.path.basename(file)
- if dname == dir:
+ if dname == srcdir:
dest = dest + "/" + bname
else:
- newdir = re.sub(dir, dest, dname)
+ newdir = re.sub(srcdir, dest, dname)
if not os.path.exists(newdir):
os.makedirs(newdir)
dest = newdir + "/" + bname
@@ -81,9 +85,10 @@ def copyfile(file, dir, dest):
shutil.copytree(file, dest)
else:
shutil.copy2(file, dest)
+
except shutil.Error, elist:
- for e in elist:
- sys.stderr.write(e[1])
+ for e in elist.message:
+ sys.stderr.write(e[2])
SAVE_FILES[file] = (dest, os.path.getmtime(dest))
@@ -161,10 +166,10 @@ class Sandbox:
if not self.__options.homedir or not self.__options.tmpdir:
self.usage(_("Homedir and tempdir required for level mounts"))
- if not os.path.exists("/usr/sbin/seunshare"):
+ if not os.path.exists(SEUNSHARE):
raise ValueError(_("""
-/usr/sbin/seunshare is required for the action you want to perform.
-"""))
+%s is required for the action you want to perform.
+""") % SEUNSHARE)
def __mount_callback(self, option, opt, value, parser):
self.__mount = True
@@ -172,6 +177,15 @@ class Sandbox:
def __x_callback(self, option, opt, value, parser):
self.__mount = True
setattr(parser.values, option.dest, True)
+ if not os.path.exists(SEUNSHARE):
+ raise ValueError(_("""
+%s is required for the action you want to perform.
+""") % SEUNSHARE)
+
+ if not os.path.exists(SANDBOXSH):
+ raise ValueError(_("""
+%s is required for the action you want to perform.
+""") % SANDBOXSH)
def __validdir(self, option, opt, value, parser):
if not os.path.isdir(value):
@@ -194,6 +208,8 @@ class Sandbox:
self.__include(option, opt, i[:-1], parser)
except IOError, e:
sys.stderr.write(str(e))
+ except TypeError, e:
+ sys.stderr.write(str(e))
fd.close()
def __copyfiles(self):
@@ -212,13 +228,15 @@ class Sandbox:
/etc/gdm/Xsession
""")
else:
- command = " ".join(self.__paths)
+ command = self.__paths[0] + " "
+ for p in self.__paths[1:]:
+ command += "'%s' " % p
fd.write("""#! /bin/sh
#TITLE: %s
/usr/bin/test -r ~/.xmodmap && /usr/bin/xmodmap ~/.xmodmap
%s &
WM_PID=$!
-%s
+dbus-launch --exit-with-session %s
kill -TERM $WM_PID 2> /dev/null
""" % (command, wm, command))
fd.close()
@@ -226,14 +244,25 @@ kill -TERM $WM_PID 2> /dev/null
def usage(self, message = ""):
error_exit("%s\n%s" % (self.__parser.usage, message))
-
+
def __parse_options(self):
from optparse import OptionParser
+ types = ""
+ try:
+ types = _("""
+Policy defines the following types for use with the -t:
+\t%s
+""") % "\n\t".join(setools.seinfo(setools.ATTRIBUTE, "sandbox_type")[0]['types'])
+ except RuntimeError:
+ pass
+
usage = _("""
-sandbox [-h] [-[X|M] [-l level ] [-H homedir] [-T tempdir]] [-I includefile ] [-W windowmanager ] [[-i file ] ...] [ -t type ] command
+sandbox [-h] [-l level ] [-[X|M] [-H homedir] [-T tempdir]] [-I includefile ] [-W windowmanager ] [ -w windowsize ] [[-i file ] ...] [ -t type ] command
+
+sandbox [-h] [-l level ] [-[X|M] [-H homedir] [-T tempdir]] [-I includefile ] [-W windowmanager ] [ -w windowsize ] [[-i file ] ...] [ -t type ] -S
+%s
+""") % types
-sandbox [-h] [-[X|M] [-l level ] [-H homedir] [-T tempdir]] [-I includefile ] [-W windowmanager ] [[-i file ] ...] [ -t type ] -S
-""")
parser = OptionParser(version=self.VERSION, usage=usage)
parser.disable_interspersed_args()
@@ -268,6 +297,10 @@ sandbox [-h] [-[X|M] [-l level ] [-H homedir] [-T tempdir]] [-I includefile ] [-
action="callback", callback=self.__validdir,
help=_("alternate /tmp directory to use for mounting"))
+ parser.add_option("-w", "--windowsize", dest="windowsize",
+ type="string", default=DEFAULT_WINDOWSIZE,
+ help="size of the sandbox window")
+
parser.add_option("-W", "--windowmanager", dest="wm",
type="string",
default="/usr/bin/matchbox-window-manager -use_titlebar no",
@@ -276,13 +309,17 @@ sandbox [-h] [-[X|M] [-l level ] [-H homedir] [-T tempdir]] [-I includefile ] [-
parser.add_option("-l", "--level", dest="level",
help=_("MCS/MLS level for the sandbox"))
+ parser.add_option("-C", "--cgroups",
+ action="store_true", dest="usecgroup", default=False,
+ help="Use cgroups to limit this sandbox.")
+
self.__parser=parser
self.__options, cmds = parser.parse_args()
if self.__options.X_ind:
self.setype = DEFAULT_X_TYPE
-
+
if self.__options.setype:
self.setype = self.__options.setype
@@ -300,6 +337,10 @@ sandbox [-h] [-[X|M] [-l level ] [-H homedir] [-T tempdir]] [-I includefile ] [-
self.__homedir = self.__options.homedir
self.__tmpdir = self.__options.tmpdir
else:
+ if self.__options.level:
+ self.__homedir = self.__options.homedir
+ self.__tmpdir = self.__options.tmpdir
+
if len(cmds) == 0:
self.usage(_("Command required"))
cmds[0] = fullpath(cmds[0])
@@ -329,44 +370,43 @@ sandbox [-h] [-[X|M] [-l level ] [-H homedir] [-T tempdir]] [-I includefile ] [-
def __setup_dir(self):
if self.__options.level or self.__options.session:
return
- sandboxdir = HOMEDIR + "/.sandbox"
- if not os.path.exists(sandboxdir):
- os.mkdir(sandboxdir)
if self.__options.homedir:
selinux.chcon(self.__options.homedir, self.__filecon, recursive=True)
self.__homedir = self.__options.homedir
else:
selinux.setfscreatecon(self.__filecon)
- self.__homedir = mkdtemp(dir=sandboxdir, prefix=".sandbox")
+ self.__homedir = mkdtemp(dir="/tmp", prefix=".sandbox_home_")
if self.__options.tmpdir:
selinux.chcon(self.__options.tmpdir, self.__filecon, recursive=True)
self.__tmpdir = self.__options.tmpdir
else:
selinux.setfscreatecon(self.__filecon)
- self.__tmpdir = mkdtemp(dir="/tmp", prefix=".sandbox")
+ self.__tmpdir = mkdtemp(dir="/tmp", prefix=".sandbox_tmp_")
selinux.setfscreatecon(None)
self.__copyfiles()
def __execute(self):
try:
- if self.__options.X_ind:
- xmodmapfile = self.__homedir + "/.xmodmap"
- xd = open(xmodmapfile,"w")
- subprocess.Popen(["/usr/bin/xmodmap","-pke"],stdout=xd).wait()
- xd.close()
-
- self.__setup_sandboxrc(self.__options.wm)
-
- cmds = [ '/usr/sbin/seunshare', "-t", self.__tmpdir, "-h", self.__homedir, "--", self.__execcon, "/usr/share/sandbox/sandboxX.sh" ]
- rc = subprocess.Popen(cmds).wait()
- return rc
-
+ cmds = [ SEUNSHARE, "-Z", self.__execcon ]
+ if self.__options.usecgroup == True:
+ cmds.append('-c')
if self.__mount:
- cmds = [ '/usr/sbin/seunshare', "-t", self.__tmpdir, "-h", self.__homedir, "--", self.__execcon ] + self.__paths
- rc = subprocess.Popen(cmds).wait()
- return rc
+ cmds += [ "-t", self.__tmpdir, "-h", self.__homedir ]
+
+ if self.__options.X_ind:
+ xmodmapfile = self.__homedir + "/.xmodmap"
+ xd = open(xmodmapfile,"w")
+ subprocess.Popen(["/usr/bin/xmodmap","-pke"],stdout=xd).wait()
+ xd.close()
+
+ self.__setup_sandboxrc(self.__options.wm)
+
+ cmds += [ "--", SANDBOXSH, self.__options.windowsize ]
+ else:
+ cmds += [ "--" ] + self.__paths
+ return subprocess.Popen(cmds).wait()
selinux.setexeccon(self.__execcon)
rc = subprocess.Popen(self.__cmds).wait()
@@ -404,7 +444,7 @@ if __name__ == '__main__':
sandbox = Sandbox()
rc = sandbox.main()
except OSError, error:
- error_exit(error.args[1])
+ error_exit(error)
except ValueError, error:
error_exit(error.args[0])
except KeyError, error:
diff --git a/policycoreutils/sandbox/sandbox.8 b/policycoreutils/sandbox/sandbox.8
index 1479364..73d33b3 100644
--- a/policycoreutils/sandbox/sandbox.8
+++ b/policycoreutils/sandbox/sandbox.8
@@ -1,10 +1,13 @@
-.TH SANDBOX "8" "May 2009" "chcat" "User Commands"
+.TH SANDBOX "8" "May 2010" "sandbox" "User Commands"
.SH NAME
sandbox \- Run cmd under an SELinux sandbox
.SH SYNOPSIS
.B sandbox
-[-l level ] [[-M | -X] -H homedir -T tempdir ] [-I includefile ] [ -W windowmanager ] [[-i file ]...] [ -t type ] cmd
-[-l level ] [[-M | -X] -H homedir -T tempdir ] [-I includefile ] [ -W windowmanager ] [[-i file ]...] [ -t type ] -S
+[-l level ] [[-M | -X] -H homedir -T tempdir ] [-I includefile ] [ -W windowmanager ] [ -w windowsize ] [[-i file ]...] [ -t type ] cmd
+
+.br
+.B sandbox
+[-l level ] [[-M | -X] -H homedir -T tempdir ] [-I includefile ] [ -W windowmanager ] [ -w windowsize ] [[-i file ]...] [ -t type ] -S
.br
.SH DESCRIPTION
.PP
@@ -42,6 +45,12 @@ Use alternate sandbox type, defaults to sandbox_t or sandbox_x_t for -X.
\fB\-T\ tmpdir
Use alternate tempory directory to mount on /tmp. Defaults to tmpfs. Requires -X or -M.
.TP
+\fB\-S
+Run a full desktop session, Requires level, and home and tmpdir.
+.TP
+\fB\-w windowsize\fR
+Specifies the windowsize when creating an X based Sandbox. The default windowsize is 1000x700.
+.TP
\fB\-W windowmanager\fR
Select alternative window manager to run within
.B sandbox -X.
@@ -50,8 +59,17 @@ Default to /usr/bin/matchbox-window-manager.
\fB\-X\fR
Create an X based Sandbox for gui apps, temporary files for
$HOME and /tmp, secondary Xserver, defaults to sandbox_x_t
+.TP
+\fB\-C\fR
+Use control groups to control this copy of sandbox. Specify parameters in /etc/sysconfig/sandbox. Max memory usage and cpu usage are to be specified in percent. You can specify which CPUs to use by numbering them 0,1,2... etc.
.PP
.SH "SEE ALSO"
.TP
-runcon(1)
+runcon(1), seunshare(8), selinux(8)
.PP
+
+.SH AUTHOR
+This manual page was written by
+.I Dan Walsh <dwalsh@redhat.com>
+and
+.I Thomas Liu <tliu@fedoraproject.org>
diff --git a/policycoreutils/sandbox/sandbox.conf b/policycoreutils/sandbox/sandbox.conf
new file mode 100644
index 0000000..7c35808
--- /dev/null
+++ b/policycoreutils/sandbox/sandbox.conf
@@ -0,0 +1,7 @@
+# Space separate list of homedirs
+HOMEDIRS="/home"
+# Control group configuration
+NAME=sandbox
+CPUAFFINITY=ALL
+MEMUSAGE=80%
+CPUUSAGE=80%
diff --git a/policycoreutils/sandbox/sandbox.conf.5 b/policycoreutils/sandbox/sandbox.conf.5
new file mode 100644
index 0000000..ee97e10
--- /dev/null
+++ b/policycoreutils/sandbox/sandbox.conf.5
@@ -0,0 +1,40 @@
+.TH sandbox.conf "5" "June 2010" "sandbox.conf" "Linux System Administration"
+.SH NAME
+sandbox.conf \- user config file for the SELinux sandbox
+.SH DESCRIPTION
+.PP
+When running sandbox with the -C argument, it will be confined using control groups and a system administrator can specify how the sandbox is confined.
+
+.PP
+Everything after "#" is ignored, as are empty lines. All arguments should be separated by and equals sign ("=").
+
+.PP
+These keywords are allowed.
+
+.RS
+.TP
+.B NAME
+The name of the sandbox control group. Default is "sandbox".
+
+.TP
+.B CPUAFFINITY
+Which cpus to assign sandbox to. The default is ALL, but users can specify a comma-separated list with dashes ("-") to represent ranges. Ex: 0-2,5
+
+.TP
+.B MEMUSAGE
+How much memory to allow sandbox to use. The default is 80%. Users can specify either a percentage or a value in the form of a number followed by one of the suffixes K, M, G to denote kilobytes, megabytes or gigabytes respectively. Ex: 50% or 100M
+
+.TP
+.B CPUUSAGE
+Percentage of cpu sandbox should be allowed to use. The default is 80%. Specify a value followed by a percent sign ("%"). Ex: 50%
+
+
+
+.SH "SEE ALSO"
+.TP
+sandbox(8)
+.PP
+
+.SH AUTHOR
+This manual page was written by
+.I Thomas Liu <tliu@fedoraproject.org>
diff --git a/policycoreutils/sandbox/sandbox.init b/policycoreutils/sandbox/sandbox.init
index ff8b3ef..8508647 100644
--- a/policycoreutils/sandbox/sandbox.init
+++ b/policycoreutils/sandbox/sandbox.init
@@ -10,17 +10,12 @@
#
# chkconfig: 345 1 99
#
-# Description: sandbox and other apps that want to use pam_namespace
-# on /var/tmp, /tmp and home directories, requires this script
-# to be run at boot time.
-# This script sets up the / mount point and all of its
-# subdirectories as shared. The script sets up
-# /tmp, /var/tmp, /home and any homedirs listed in
-# /etc/sysconfig/sandbox and all of their subdirectories
-# as unshared.
-# All processes that use pam_namespace will see
-# modifications to the global mountspace, except for the
-# unshared directories.
+# description: sandbox, xguest and other apps that want to use pam_namespace \
+# require this script be run at boot. This service script does \
+# not actually run any service but sets up: \
+# /var/tmp, /tmp and home directories to be used by these tools.\
+# If you do not use sandbox, xguest or pam_namespace you can turn \
+# this service off.\
#
# Source function library.
diff --git a/policycoreutils/sandbox/sandboxX.sh b/policycoreutils/sandbox/sandboxX.sh
index 8338203..e501b03 100644
--- a/policycoreutils/sandbox/sandboxX.sh
+++ b/policycoreutils/sandbox/sandboxX.sh
@@ -1,13 +1,17 @@
#!/bin/bash
context=`id -Z | secon -t -l -P`
export TITLE="Sandbox $context -- `grep ^#TITLE: ~/.sandboxrc | /usr/bin/cut -b8-80`"
-export SCREENSIZE="1000x700"
-#export SCREENSIZE=`xdpyinfo | awk '/dimensions/ { print $2 }'`
+[ $# -eq 1 ] && export SCREENSIZE="$1" || export SCREENSIZE="1000x700"
trap "exit 0" HUP
(/usr/bin/Xephyr -title "$TITLE" -terminate -screen $SCREENSIZE -displayfd 5 5>&1 2>/dev/null) | while read D; do
export DISPLAY=:$D
- python -c 'import gtk, os, commands; commands.getstatusoutput("%s/.sandboxrc" % os.environ["HOME"])'
+ cat > ~/seremote << __EOF
+#!/bin/sh
+DISPLAY=$DISPLAY "\$@"
+__EOF
+ chmod +x ~/seremote
+ /usr/share/sandbox/start $HOME/.sandboxrc
export EXITCODE=$?
kill -HUP 0
break
diff --git a/policycoreutils/sandbox/seunshare.8 b/policycoreutils/sandbox/seunshare.8
new file mode 100644
index 0000000..e7b8991
--- /dev/null
+++ b/policycoreutils/sandbox/seunshare.8
@@ -0,0 +1,37 @@
+.TH SEUNSHARE "8" "May 2010" "seunshare" "User Commands"
+.SH NAME
+seunshare \- Run cmd with alternate homedir, tmpdir and/or SELinux context
+.SH SYNOPSIS
+.B seunshare
+[ -v ] [ -t tmpdir ] [ -h homedir ] [ -Z context ] -- executable [args]
+.br
+.SH DESCRIPTION
+.PP
+Run the
+.I executable
+within the specified context, using the alternate home directory and /tmp directory. The seunshare command unshares from the default namespace, then mounts the specified homedir and tmpdir over the default homedir and /tmp. Finally it tells the kernel to execute the application under the specified SELinux context.
+
+.TP
+\fB\-h homedir\fR
+Alternate homedir to be used by the application. Homedir must be owned by the user.
+.TP
+\fB\-t\ tmpdir
+Use alternate tempory directory to mount on /tmp. tmpdir must be owned by the user.
+.TP
+\fB\-c cgroups\fR
+Use cgroups to control this copy of seunshare. Specify parameters in /etc/sysconfig/sandbox. Max memory usage and cpu usage are to be specified in percent. You can specify which CPUs to use by numbering them 0,1,2... etc.
+.TP
+\fB\-Z\ context
+Use alternate SELinux context while runing the executable.
+.TP
+\fB\-v\fR
+Verbose output
+.SH "SEE ALSO"
+.TP
+runcon(1), sandbox(8), selinux(8)
+.PP
+.SH AUTHOR
+This manual page was written by
+.I Dan Walsh <dwalsh@redhat.com>
+and
+.I Thomas Liu <tliu@fedoraproject.org>
diff --git a/policycoreutils/sandbox/seunshare.c b/policycoreutils/sandbox/seunshare.c
index ec692e7..05a18b3 100644
--- a/policycoreutils/sandbox/seunshare.c
+++ b/policycoreutils/sandbox/seunshare.c
@@ -1,28 +1,35 @@
+/*
+ * Authors: Dan Walsh <dwalsh@redhat.com>
+ * Authors: Thomas Liu <tliu@fedoraproject.org>
+ */
+
+#define _GNU_SOURCE
#include <signal.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <sys/wait.h>
#include <syslog.h>
#include <sys/mount.h>
+#include <glob.h>
#include <pwd.h>
-#define _GNU_SOURCE
#include <sched.h>
+#include <libcgroup.h>
#include <string.h>
#include <stdio.h>
+#include <regex.h>
#include <unistd.h>
+#include <sys/fsuid.h>
#include <stdlib.h>
#include <cap-ng.h>
#include <getopt.h> /* for getopt_long() form of getopt() */
#include <limits.h>
#include <stdlib.h>
#include <errno.h>
+#include <fcntl.h>
#include <selinux/selinux.h>
#include <selinux/context.h> /* for context-mangling functions */
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
#ifdef USE_NLS
#include <locale.h> /* for setlocale() */
#include <libintl.h> /* for gettext() */
@@ -39,29 +46,47 @@
#define MS_PRIVATE 1<<18
#endif
+#ifndef PACKAGE
+#define PACKAGE "policycoreutils" /* the name of this package lang translation */
+#endif
+
+#define BUF_SIZE 1024
+#define DEFAULT_PATH "/usr/bin:/bin"
+
+#define USAGE_STRING _("USAGE: seunshare [ -v ] [ -c ] -t tmpdir -h homedir [-Z context] -- executable [args]")
+
+static int verbose = 0;
+
+
/**
- * This function will drop all capabilities
- * Returns zero on success, non-zero otherwise
+ * This function will drop all capabilities.
*/
-static int drop_capabilities(uid_t uid)
+static int drop_caps()
{
+ if (capng_have_capabilities(CAPNG_SELECT_BOTH) == CAPNG_NONE)
+ return 0;
capng_clear(CAPNG_SELECT_BOTH);
-
- if (capng_lock() < 0)
- return -1;
- /* Change uid */
- if (setresuid(uid, uid, uid)) {
- fprintf(stderr, _("Error changing uid, aborting.\n"));
+ if (capng_lock() == -1 || capng_apply(CAPNG_SELECT_BOTH) == -1) {
+ fprintf(stderr, _("Failed to drop all capabilities\n"));
return -1;
}
- return capng_apply(CAPNG_SELECT_BOTH);
+ return 0;
}
-#define DEFAULT_PATH "/usr/bin:/bin"
-static int verbose = 0;
+/**
+ * This function will drop all privileges.
+ */
+static int drop_privs(uid_t uid)
+{
+ if (drop_caps() == -1 || setresuid(uid, uid, uid) == -1) {
+ fprintf(stderr, _("Failed to drop privileges\n"));
+ return -1;
+ }
+ return 0;
+}
/**
- * Take care of any signal setup
+ * Take care of any signal setup.
*/
static int set_signal_handles(void)
{
@@ -75,8 +100,8 @@ static int set_signal_handles(void)
(void)sigprocmask(SIG_SETMASK, &empty, NULL);
- /* Terminate on SIGHUP. */
- if (signal(SIGHUP, SIG_DFL) == SIG_ERR) {
+ /* Terminate on SIGHUP */
+ if (signal(SIGHUP, SIG_IGN) == SIG_ERR) {
perror("Unable to set SIGHUP handler");
return -1;
}
@@ -84,23 +109,103 @@ static int set_signal_handles(void)
return 0;
}
+#define status_to_retval(status,retval) do { \
+ if ((status) == -1) \
+ retval = -1; \
+ else if (WIFEXITED((status))) \
+ retval = WEXITSTATUS((status)); \
+ else if (WIFSIGNALED((status))) \
+ retval = 128 + WTERMSIG((status)); \
+ else \
+ retval = -1; \
+ } while(0)
+
/**
- * This function makes sure the mounted directory is owned by the user executing
- * seunshare.
- * If so, it returns 0. If it can not figure this out or they are different, it returns -1.
+ * Spawn external command using system() with dropped privileges.
+ * TODO: avoid system() and use exec*() instead
*/
-static int verify_mount(const char *mntdir, struct passwd *pwd) {
+static int spawn_command(const char *cmd, uid_t uid){
+ int child;
+ int status = -1;
+
+ if (verbose > 1)
+ printf("spawn_command: %s\n", cmd);
+
+ child = fork();
+ if (child == -1) {
+ perror(_("Unable to fork"));
+ return status;
+ }
+
+ if (child == 0) {
+ if (drop_privs(uid) != 0) exit(-1);
+
+ status = system(cmd);
+ status_to_retval(status, status);
+ exit(status);
+ }
+
+ waitpid(child, &status, 0);
+ status_to_retval(status, status);
+ return status;
+}
+
+/**
+ * Check file/directory ownership, struct stat * must be passed to the
+ * functions.
+ */
+static int check_owner_uid(uid_t uid, const char *file, struct stat *st) {
+ if (S_ISLNK(st->st_mode)) {
+ fprintf(stderr, _("Error: %s must not be a symbolic link\n"), file);
+ return -1;
+ }
+ if (st->st_uid != uid) {
+ fprintf(stderr, _("Error: %s not owned by UID %d\n"), file, uid);
+ return -1;
+ }
+ return 0;
+}
+
+static int check_owner_gid(gid_t gid, const char *file, struct stat *st) {
+ if (S_ISLNK(st->st_mode)) {
+ fprintf(stderr, _("Error: %s must not be a symbolic link\n"), file);
+ return -1;
+ }
+ if (st->st_gid != gid) {
+ fprintf(stderr, _("Error: %s not owned by GID %d\n"), file, gid);
+ return -1;
+ }
+ return 0;
+}
+
+#define equal_stats(one,two) \
+ ((one)->st_dev == (two)->st_dev && (one)->st_ino == (two)->st_ino && \
+ (one)->st_uid == (two)->st_uid && (one)->st_gid == (two)->st_gid && \
+ (one)->st_mode == (two)->st_mode)
+
+/**
+ * Sanity check specified directory. Store stat info for future comparison, or
+ * compare with previously saved info to detect replaced directories.
+ * Note: This function does not perform owner checks.
+ */
+static int verify_directory(const char *dir, struct stat *st_in, struct stat *st_out) {
struct stat sb;
- if (stat(mntdir, &sb) == -1) {
- fprintf(stderr, _("Invalid mount point %s: %s\n"), mntdir, strerror(errno));
+
+ if (st_out == NULL) st_out = &sb;
+
+ if (lstat(dir, st_out) == -1) {
+ fprintf(stderr, _("Failed to stat %s: %s\n"), dir, strerror(errno));
return -1;
}
- if (sb.st_uid != pwd->pw_uid) {
- errno = EPERM;
- syslog(LOG_AUTHPRIV | LOG_ALERT, "%s attempted to mount an invalid directory, %s", pwd->pw_name, mntdir);
- perror(_("Invalid mount point, reporting to administrator"));
+ if (! S_ISDIR(st_out->st_mode)) {
+ fprintf(stderr, _("Error: %s is not a directory: %s\n"), dir, strerror(errno));
return -1;
}
+ if (st_in && !equal_stats(st_in, st_out)) {
+ fprintf(stderr, _("Error: %s was replaced by a different directory\n"), dir);
+ return -1;
+ }
+
return 0;
}
@@ -123,7 +228,7 @@ static int verify_shell(const char *shell_name)
/* check the shell skipping newline char */
if (!strcmp(shell_name, buf)) {
- rc = 1;
+ rc = 0;
break;
}
}
@@ -131,45 +236,519 @@ static int verify_shell(const char *shell_name)
return rc;
}
-static int seunshare_mount(const char *src, const char *dst, struct passwd *pwd) {
+/**
+ * Mount directory and check that we mounted the right directory.
+ */
+static int seunshare_mount(const char *src, const char *dst, struct stat *src_st)
+{
+ int flags = MS_REC;
+ int is_tmp = 0;
+
if (verbose)
- printf("Mount %s on %s\n", src, dst);
- if (mount(dst, dst, NULL, MS_BIND | MS_REC, NULL) < 0) {
+ printf(_("Mounting %s on %s\n"), src, dst);
+
+ if (strcmp("/tmp", dst) == 0) {
+ flags = flags | MS_NODEV | MS_NOSUID | MS_NOEXEC;
+ is_tmp = 1;
+ }
+
+ /* mount directory */
+ if (mount(dst, dst, NULL, MS_BIND | flags, NULL) < 0) {
fprintf(stderr, _("Failed to mount %s on %s: %s\n"), dst, dst, strerror(errno));
return -1;
}
-
- if (mount(dst, dst, NULL, MS_PRIVATE | MS_REC, NULL) < 0) {
+ if (mount(dst, dst, NULL, MS_PRIVATE | flags, NULL) < 0) {
fprintf(stderr, _("Failed to make %s private: %s\n"), dst, strerror(errno));
return -1;
}
-
- if (mount(src, dst, NULL, MS_BIND | MS_REC, NULL) < 0) {
+ if (mount(src, dst, NULL, MS_BIND | flags, NULL) < 0) {
fprintf(stderr, _("Failed to mount %s on %s: %s\n"), src, dst, strerror(errno));
return -1;
}
- if (verify_mount(dst, pwd) < 0)
+ /* verify whether we mounted what we expected to mount */
+ if (verify_directory(dst, src_st, NULL) < 0) return -1;
+
+ /* bind mount /tmp on /var/tmp too */
+ if (is_tmp) {
+ if (verbose)
+ printf(_("Mounting /tmp on /var/tmp\n"));
+
+ if (mount("/var/tmp", "/var/tmp", NULL, MS_BIND | flags, NULL) < 0) {
+ fprintf(stderr, _("Failed to mount /var/tmp on /var/tmp: %s\n"), strerror(errno));
+ return -1;
+ }
+ if (mount("/var/tmp", "/var/tmp", NULL, MS_PRIVATE | flags, NULL) < 0) {
+ fprintf(stderr, _("Failed to make /var/tmp private: %s\n"), strerror(errno));
+ return -1;
+ }
+ if (mount("/tmp", "/var/tmp", NULL, MS_BIND | flags, NULL) < 0) {
+ fprintf(stderr, _("Failed to mount /tmp on /var/tmp: %s\n"), strerror(errno));
+ return -1;
+ }
+ }
+
+ return 0;
+
+}
+
+/**
+ * Error logging used by cgroups code.
+ */
+static int sandbox_error(const char *string)
+{
+ fprintf(stderr, string);
+ syslog(LOG_AUTHPRIV | LOG_ALERT, string);
+ exit(-1);
+}
+
+/**
+ * Regular expression match.
+ */
+static int match(const char *string, char *pattern)
+{
+ int status;
+ regex_t re;
+ if (regcomp(&re, pattern, REG_EXTENDED|REG_NOSUB) != 0) {
+ return 0;
+ }
+ status = regexec(&re, string, (size_t)0, NULL, 0);
+ regfree(&re);
+ if (status != 0) {
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * Apply cgroups settings from the /etc/sysconfig/sandbox config file.
+ */
+static int setup_cgroups()
+{
+ char *cpus = NULL; /* which CPUs to use */
+ char *cgroupname = NULL;/* name for the cgroup */
+ char *mem = NULL; /* string for memory amount to pass to cgroup */
+ int64_t memusage = 0; /* amount of memory to use max (percent) */
+ int cpupercentage = 0; /* what percentage of cpu to allow usage */
+ FILE* fp;
+ char buf[BUF_SIZE];
+ char *tok = NULL;
+ int rc = -1;
+ const char* fname = "/etc/sysconfig/sandbox";
+
+ if ((fp = fopen(fname, "rt")) == NULL) {
+ fprintf(stderr, "Error opening sandbox config file.");
+ return rc;
+ }
+ while(fgets(buf, BUF_SIZE, fp) != NULL) {
+ /* Skip comments */
+ if (buf[0] == '#') continue;
+
+ /* Copy the string, ignoring whitespace */
+ int len = strlen(buf);
+ char *str = malloc((len + 1) * sizeof(char));
+
+ int ind = 0;
+ int i;
+ for (i = 0; i < len; i++) {
+ char cur = buf[i];
+ if (cur != ' ' && cur != '\t') {
+ str[ind] = cur;
+ ind++;
+ }
+ }
+ str[ind] = '\0';
+
+ tok = strtok(str, "=\n");
+ if (tok != NULL) {
+ if (!strcmp(tok, "CPUAFFINITY")) {
+ tok = strtok(NULL, "=\n");
+ cpus = strdup(tok);
+ if (!strcmp(cpus, "ALL")) {
+ free(cpus);
+ cpus = NULL;
+ }
+ } else if (!strcmp(tok, "MEMUSAGE")) {
+ tok = strtok(NULL, "=\n");
+ if (match(tok, "^[0-9]+[kKmMgG%]")) {
+ char *ind = strchr(tok, '%');
+ if (ind != NULL) {
+ *ind = '\0';;
+ memusage = atoi(tok);
+ } else {
+ mem = strdup(tok);
+ }
+ } else {
+ fprintf(stderr, "Error parsing config file.");
+ goto err;
+ }
+
+ } else if (!strcmp(tok, "CPUUSAGE")) {
+ tok = strtok(NULL, "=\n");
+ if (match(tok, "^[0-9]+\%")) {
+ char* ind = strchr(tok, '%');
+ *ind = '\0';
+ cpupercentage = atoi(tok);
+ } else {
+ fprintf(stderr, "Error parsing config file.");
+ goto err;
+ }
+ } else if (!strcmp(tok, "NAME")) {
+ tok = strtok(NULL, "=\n");
+ cgroupname = strdup(tok);
+ } else {
+ continue;
+ }
+ }
+
+ }
+ if (mem == NULL) {
+ long phypz = sysconf(_SC_PHYS_PAGES);
+ long psize = sysconf(_SC_PAGE_SIZE);
+ memusage = phypz * psize * (float) memusage / 100.0;
+ }
+
+ cgroup_init();
+
+ int64_t current_runtime = 0;
+ int64_t current_period = 0 ;
+ int64_t current_mem = 0;
+ char *curr_cpu_path = NULL;
+ char *curr_mem_path = NULL;
+ int ret = cgroup_get_current_controller_path(getpid(), "cpu", &curr_cpu_path);
+ if (ret) {
+ sandbox_error("Error while trying to get current controller path.\n");
+ } else {
+ struct cgroup *curr = cgroup_new_cgroup(curr_cpu_path);
+ cgroup_get_cgroup(curr);
+ cgroup_get_value_int64(cgroup_get_controller(curr, "cpu"), "cpu.rt_runtime_us", ¤t_runtime);
+ cgroup_get_value_int64(cgroup_get_controller(curr, "cpu"), "cpu.rt_period_us", ¤t_period);
+ }
+
+ ret = cgroup_get_current_controller_path(getpid(), "memory", &curr_mem_path);
+ if (ret) {
+ sandbox_error("Error while trying to get current controller path.\n");
+ } else {
+ struct cgroup *curr = cgroup_new_cgroup(curr_mem_path);
+ cgroup_get_cgroup(curr);
+ cgroup_get_value_int64(cgroup_get_controller(curr, "memory"), "memory.limit_in_bytes", ¤t_mem);
+ }
+
+ if (((float) cpupercentage) / 100.0> (float)current_runtime / (float) current_period) {
+ sandbox_error("CPU usage restricted!\n");
+ goto err;
+ }
+
+ if (mem == NULL) {
+ if (memusage > current_mem) {
+ sandbox_error("Attempting to use more memory than allowed!");
+ goto err;
+ }
+ }
+
+ long nprocs = sysconf(_SC_NPROCESSORS_ONLN);
+
+ struct sched_param sp;
+ sp.sched_priority = sched_get_priority_min(SCHED_FIFO);
+ sched_setscheduler(getpid(), SCHED_FIFO, &sp);
+ struct cgroup *sandbox_group = cgroup_new_cgroup(cgroupname);
+ cgroup_add_controller(sandbox_group, "memory");
+ cgroup_add_controller(sandbox_group, "cpu");
+
+ if (mem == NULL) {
+ if (memusage > 0) {
+ cgroup_set_value_uint64(cgroup_get_controller(sandbox_group, "memory"), "memory.limit_in_bytes", memusage);
+ }
+ } else {
+ cgroup_set_value_string(cgroup_get_controller(sandbox_group, "memory"), "memory.limit_in_bytes", mem);
+ }
+ if (cpupercentage > 0) {
+ cgroup_set_value_uint64(cgroup_get_controller(sandbox_group, "cpu"), "cpu.rt_runtime_us",
+ (float) cpupercentage / 100.0 * 60000);
+ cgroup_set_value_uint64(cgroup_get_controller(sandbox_group, "cpu"), "cpu.rt_period_us",60000 * nprocs);
+ }
+ if (cpus != NULL) {
+ cgroup_set_value_string(cgroup_get_controller(sandbox_group, "cpu"), "cgroup.procs",cpus);
+ }
+
+ uint64_t allocated_mem;
+ if (cgroup_get_value_uint64(cgroup_get_controller(sandbox_group, "memory"), "memory.limit_in_bytes", &allocated_mem) > current_mem) {
+ sandbox_error("Attempting to use more memory than allowed!\n");
+ goto err;
+ }
+
+ rc = cgroup_create_cgroup(sandbox_group, 1);
+ if (rc != 0) {
+ sandbox_error("Failed to create group. Ensure that cgconfig service is running. \n");
+ goto err;
+ }
+
+ cgroup_attach_task(sandbox_group);
+
+ rc = 0;
+err:
+ free(mem);
+ free(cgroupname);
+ free(cpus);
+ return rc;
+}
+
+/*
+ If path is empy or ends with "/." or "/.. return -1 else return 0;
+ */
+static int bad_path(const char *path) {
+ const char *ptr;
+ ptr = path;
+ while (*ptr) ptr++;
+ if (ptr == path) return -1; // ptr null
+ ptr--;
+ if (ptr != path && *ptr == '.') {
+ ptr--;
+ if (*ptr == '/') return -1; // path ends in /.
+ if (*ptr == '.') {
+ if (ptr != path) {
+ ptr--;
+ if (*ptr == '/') return -1; // path ends in /..
+ }
+ }
+ }
+ return 0;
+}
+
+static int rsynccmd(const char * src, const char *dst, char **cmdbuf)
+{
+ char *buf = NULL;
+ char *newbuf = NULL;
+ glob_t fglob;
+ fglob.gl_offs = 0;
+ int flags = GLOB_PERIOD;
+ unsigned int i = 0;
+ int rc = -1;
+
+ /* match glob for all files in src dir */
+ if (asprintf(&buf, "%s/*", src) == -1) {
+ fprintf(stderr, "Out of memory\n");
+ return -1;
+ }
+
+ if (glob(buf, flags, NULL, &fglob) != 0) {
+ free(buf); buf = NULL;
return -1;
+ }
+
+ free(buf); buf = NULL;
+
+ for ( i=0; i < fglob.gl_pathc; i++) {
+ const char *path = fglob.gl_pathv[i];
+
+ if (bad_path(path)) continue;
+
+ if (!buf) {
+ if (asprintf(&newbuf, "\'%s\'", path) == -1) {
+ fprintf(stderr, "Out of memory\n");
+ goto err;
+ }
+ } else {
+ if (asprintf(&newbuf, "%s \'%s\'", buf, path) == -1) {
+ fprintf(stderr, "Out of memory\n");
+ goto err;
+ }
+ }
+
+ free(buf); buf = newbuf;
+ newbuf = NULL;
+ }
+
+ if (buf) {
+ if (asprintf(&newbuf, "/usr/bin/rsync -trlHDq %s '%s'", buf, dst) == -1) {
+ fprintf(stderr, "Out of memory\n");
+ goto err;
+ }
+ *cmdbuf=newbuf;
+ }
+ else {
+ *cmdbuf=NULL;
+ }
+ rc = 0;
+
+err:
+ free(buf); buf = NULL;
+ globfree(&fglob);
+ return rc;
}
-#define USAGE_STRING _("USAGE: seunshare [ -v ] [ -t tmpdir ] [ -h homedir ] -- CONTEXT executable [args] ")
+/**
+ * Clean up runtime temporary directory. Returns 0 if no problem was detected,
+ * >0 if some error was detected, but errors here are treated as non-fatal and
+ * left to tmpwatch to finish incomplete cleanup.
+ */
+static int cleanup_tmpdir(const char *tmpdir, const char *src,
+ struct passwd *pwd, int copy_content)
+{
+ char *cmdbuf = NULL;
+ int rc = 0;
+
+ /* rsync files back */
+ if (copy_content) {
+ if (asprintf(&cmdbuf, "/usr/bin/rsync --exclude=.X11-unix -utrlHDq --delete '%s/' '%s/'", tmpdir, src) == -1) {
+ fprintf(stderr, _("Out of memory\n"));
+ cmdbuf = NULL;
+ rc++;
+ }
+ if (cmdbuf && spawn_command(cmdbuf, pwd->pw_uid) != 0) {
+ fprintf(stderr, _("Failed to copy files from the runtime temporary directory\n"));
+ rc++;
+ }
+ free(cmdbuf); cmdbuf = NULL;
+ }
+
+ /* remove files from the runtime temporary directory */
+ if (asprintf(&cmdbuf, "/bin/rm -r '%s/' 2>/dev/null", tmpdir) == -1) {
+ fprintf(stderr, _("Out of memory\n"));
+ cmdbuf = NULL;
+ rc++;
+ }
+ /* this may fail if there's root-owned file left in the runtime tmpdir */
+ if (cmdbuf && spawn_command(cmdbuf, pwd->pw_uid) != 0) rc++;
+ free(cmdbuf); cmdbuf = NULL;
+
+ /* remove runtime temporary directory */
+ setfsuid(0);
+ if (rmdir(tmpdir) == -1)
+ fprintf(stderr, _("Failed to remove directory %s: %s\n"), tmpdir, strerror(errno));
+ setfsuid(pwd->pw_uid);
+
+ return 0;
+}
+
+/**
+ * seunshare will create a tmpdir in /tmp, with root ownership. The parent
+ * process waits for it child to exit to attempt to remove the directory. If
+ * it fails to remove the directory, we will need to rely on tmpreaper/tmpwatch
+ * to clean it up.
+ */
+static char *create_tmpdir(const char *src, struct stat *src_st,
+ struct stat *out_st, struct passwd *pwd, security_context_t execcon)
+{
+ char *tmpdir = NULL;
+ char *cmdbuf = NULL;
+ int fd_t = -1, fd_s = -1;
+ struct stat tmp_st;
+ security_context_t con = NULL;
+
+ /* get selinux context */
+ if (execcon) {
+ setfsuid(pwd->pw_uid);
+ if ((fd_s = open(src, O_RDONLY)) < 0) {
+ fprintf(stderr, _("Failed to open directory %s: %s\n"), src, strerror(errno));
+ goto err;
+ }
+ if (fstat(fd_s, &tmp_st) == -1) {
+ fprintf(stderr, _("Failed to stat directory %s: %s\n"), src, strerror(errno));
+ goto err;
+ }
+ if (!equal_stats(src_st, &tmp_st)) {
+ fprintf(stderr, _("Error: %s was replaced by a different directory\n"), src);
+ goto err;
+ }
+ if (fgetfilecon(fd_s, &con) == -1) {
+ fprintf(stderr, _("Failed to get context of the directory %s: %s\n"), src, strerror(errno));
+ goto err;
+ }
+ /* ok to not reach this if there is an error */
+ setfsuid(0);
+ }
+
+ if (asprintf(&tmpdir, "/tmp/.sandbox-%s-XXXXXX", pwd->pw_name) == -1) {
+ fprintf(stderr, _("Out of memory\n"));
+ tmpdir = NULL;
+ goto err;
+ }
+ if (mkdtemp(tmpdir) == NULL) {
+ fprintf(stderr, _("Failed to create temporary directory: %s\n"), strerror(errno));
+ goto err;
+ }
+
+ /* temporary directory must be owned by root:user */
+ if (verify_directory(tmpdir, NULL, out_st) < 0) {
+ goto err;
+ }
+ if (check_owner_uid(0, tmpdir, out_st) < 0) goto err;
+ if (check_owner_gid(getgid(), tmpdir, out_st) < 0) goto err;
+
+ /* change permissions of the temporary directory */
+ if ((fd_t = open(tmpdir, O_RDONLY)) < 0) {
+ fprintf(stderr, _("Failed to open directory %s: %s\n"), tmpdir, strerror(errno));
+ goto err;
+ }
+ if (fstat(fd_t, &tmp_st) == -1) {
+ fprintf(stderr, _("Failed to stat directory %s: %s\n"), tmpdir, strerror(errno));
+ goto err;
+ }
+ if (!equal_stats(out_st, &tmp_st)) {
+ fprintf(stderr, _("Error: %s was replaced by a different directory\n"), tmpdir);
+ goto err;
+ }
+ if (fchmod(fd_t, 01770) == -1) {
+ fprintf(stderr, _("Unable to change mode on %s: %s\n"), tmpdir, strerror(errno));
+ goto err;
+ }
+ /* re-stat again to pick change mode */
+ if (fstat(fd_t, out_st) == -1) {
+ fprintf(stderr, _("Failed to stat directory %s: %s\n"), tmpdir, strerror(errno));
+ goto err;
+ }
+
+ /* copy selinux context */
+ if (execcon) {
+ if (fsetfilecon(fd_t, con) == -1) {
+ fprintf(stderr, _("Failed to set context of the directory %s: %s\n"), tmpdir, strerror(errno));
+ goto err;
+ }
+ }
+
+ if (rsynccmd(src, tmpdir, &cmdbuf) < 0) {
+ goto err;
+ }
+
+ if (cmdbuf && spawn_command(cmdbuf, pwd->pw_uid) != 0) {
+ fprintf(stderr, _("Failed to populate runtime temporary directory\n"));
+ cleanup_tmpdir(tmpdir, src, pwd, 0);
+ goto err;
+ }
+
+ goto good;
+err:
+ free(tmpdir); tmpdir = NULL;
+good:
+ free(cmdbuf); cmdbuf = NULL;
+ freecon(con); con = NULL;
+ if (fd_t >= 0) close(fd_t);
+ if (fd_s >= 0) close(fd_s);
+ return tmpdir;
+}
int main(int argc, char **argv) {
- int rc;
int status = -1;
+ security_context_t execcon = NULL;
- security_context_t scontext;
-
- int flag_index; /* flag index in argv[] */
int clflag; /* holds codes for command line flags */
- char *tmpdir_s = NULL; /* tmpdir spec'd by user in argv[] */
+ int usecgroups = 0;
+
char *homedir_s = NULL; /* homedir spec'd by user in argv[] */
+ char *tmpdir_s = NULL; /* tmpdir spec'd by user in argv[] */
+ char *tmpdir_r = NULL; /* tmpdir created by seunshare */
+
+ struct stat st_homedir;
+ struct stat st_tmpdir_s;
+ struct stat st_tmpdir_r;
const struct option long_options[] = {
{"homedir", 1, 0, 'h'},
{"tmpdir", 1, 0, 't'},
{"verbose", 1, 0, 'v'},
+ {"cgroups", 1, 0, 'c'},
+ {"context", 1, 0, 'Z'},
{NULL, 0, 0, 0}
};
@@ -180,6 +759,12 @@ int main(int argc, char **argv) {
return -1;
}
+#ifdef USE_NLS
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+#endif
+
struct passwd *pwd=getpwuid(uid);
if (!pwd) {
perror(_("getpwduid failed"));
@@ -187,34 +772,30 @@ int main(int argc, char **argv) {
}
if (verify_shell(pwd->pw_shell) < 0) {
- fprintf(stderr, _("Error! Shell is not valid.\n"));
+ fprintf(stderr, _("Error: User shell is not valid\n"));
return -1;
}
while (1) {
- clflag = getopt_long(argc, argv, "h:t:", long_options,
- &flag_index);
+ clflag = getopt_long(argc, argv, "cvh:t:Z:", long_options, NULL);
if (clflag == -1)
break;
switch (clflag) {
case 't':
- if (!(tmpdir_s = realpath(optarg, NULL))) {
- fprintf(stderr, _("Invalid mount point %s: %s\n"), optarg, strerror(errno));
- return -1;
- }
- if (verify_mount(tmpdir_s, pwd) < 0) return -1;
+ tmpdir_s = optarg;
break;
case 'h':
- if (!(homedir_s = realpath(optarg, NULL))) {
- fprintf(stderr, _("Invalid mount point %s: %s\n"), optarg, strerror(errno));
- return -1;
- }
- if (verify_mount(homedir_s, pwd) < 0) return -1;
- if (verify_mount(pwd->pw_dir, pwd) < 0) return -1;
+ homedir_s = optarg;
break;
case 'v':
- verbose = 1;
+ verbose++;
+ break;
+ case 'c':
+ usecgroups = 1;
+ break;
+ case 'Z':
+ execcon = optarg;
break;
default:
fprintf(stderr, "%s\n", USAGE_STRING);
@@ -223,76 +804,84 @@ int main(int argc, char **argv) {
}
if (! homedir_s && ! tmpdir_s) {
- fprintf(stderr, _("Error: tmpdir and/or homedir required \n"),
- "%s\n", USAGE_STRING);
+ fprintf(stderr, _("Error: tmpdir and/or homedir required\n %s\n"), USAGE_STRING);
return -1;
}
- if (argc - optind < 2) {
- fprintf(stderr, _("Error: context and executable required \n"),
- "%s\n", USAGE_STRING);
+ if (argc - optind < 1) {
+ fprintf(stderr, _("Error: executable required\n %s\n"), USAGE_STRING);
return -1;
}
- scontext = argv[optind++];
-
- if (set_signal_handles())
- return -1;
-
- if (unshare(CLONE_NEWNS) < 0) {
- perror(_("Failed to unshare"));
+ if (execcon && is_selinux_enabled() != 1) {
+ fprintf(stderr, _("Error: execution context specified, but SELinux is not enabled\n"));
return -1;
}
- if (homedir_s && tmpdir_s && (strncmp(pwd->pw_dir, tmpdir_s, strlen(pwd->pw_dir)) == 0)) {
- if (seunshare_mount(tmpdir_s, "/tmp", pwd) < 0)
- return -1;
- if (seunshare_mount(homedir_s, pwd->pw_dir, pwd) < 0)
- return -1;
- } else {
- if (homedir_s && seunshare_mount(homedir_s, pwd->pw_dir, pwd) < 0)
- return -1;
-
- if (tmpdir_s && seunshare_mount(tmpdir_s, "/tmp", pwd) < 0)
- return -1;
- }
-
- if (drop_capabilities(uid)) {
- perror(_("Failed to drop all capabilities"));
+ if (set_signal_handles()) return -1;
+
+ if (usecgroups && setup_cgroups() < 0) return -1;
+
+ /* set fsuid to ruid */
+ /* Changing fsuid is usually required when user-specified directory is
+ * on an NFS mount. It's also desired to avoid leaking info about
+ * existence of the files not accessible to the user. */
+ setfsuid(uid);
+
+ /* verify homedir and tmpdir */
+ if (homedir_s && (
+ verify_directory(homedir_s, NULL, &st_homedir) < 0 ||
+ check_owner_uid(uid, homedir_s, &st_homedir))) return -1;
+ if (tmpdir_s && (
+ verify_directory(tmpdir_s, NULL, &st_tmpdir_s) < 0 ||
+ check_owner_uid(uid, tmpdir_s, &st_tmpdir_s))) return -1;
+ setfsuid(0);
+
+ /* create runtime tmpdir */
+ if (tmpdir_s && (tmpdir_r = create_tmpdir(tmpdir_s, &st_tmpdir_s,
+ &st_tmpdir_r, pwd, execcon)) == NULL) {
+ fprintf(stderr, _("Failed to create runtime temporary directory\n"));
return -1;
}
+ /* spawn child process */
int child = fork();
if (child == -1) {
perror(_("Unable to fork"));
- return -1;
+ goto err;
}
- if (!child) {
- char *display=NULL;
- /* Construct a new environment */
- char *d = getenv("DISPLAY");
- if (d) {
- display = strdup(d);
- if (!display) {
- perror(_("Out of memory"));
- exit(-1);
- }
+ if (child == 0) {
+ char *display = NULL;
+ int rc = -1;
+
+ if (unshare(CLONE_NEWNS) < 0) {
+ perror(_("Failed to unshare"));
+ goto childerr;
}
- if ((rc = clearenv())) {
- perror(_("Unable to clear environment"));
- free(display);
- exit(-1);
+ /* assume fsuid==ruid after this point */
+ setfsuid(uid);
+
+ /* mount homedir and tmpdir, in this order */
+ if (homedir_s && seunshare_mount(homedir_s, pwd->pw_dir,
+ &st_homedir) != 0) goto childerr;
+ if (tmpdir_s && seunshare_mount(tmpdir_r, "/tmp",
+ &st_tmpdir_r) != 0) goto childerr;
+
+ if (drop_privs(uid) != 0) goto childerr;
+
+ /* construct a new environment */
+ if ((display = getenv("DISPLAY")) != NULL) {
+ if ((display = strdup(display)) == NULL) {
+ perror(_("Out of memory"));
+ goto childerr;
+ }
}
-
- if (setexeccon(scontext)) {
- fprintf(stderr, _("Could not set exec context to %s.\n"),
- scontext);
- free(display);
- exit(-1);
+ if ((rc = clearenv()) != 0) {
+ perror(_("Failed to clear environment"));
+ goto childerr;
}
-
if (display)
rc |= setenv("DISPLAY", display, 1);
rc |= setenv("HOME", pwd->pw_dir, 1);
@@ -300,22 +889,41 @@ int main(int argc, char **argv) {
rc |= setenv("USER", pwd->pw_name, 1);
rc |= setenv("LOGNAME", pwd->pw_name, 1);
rc |= setenv("PATH", DEFAULT_PATH, 1);
+ if (rc != 0) {
+ fprintf(stderr, _("Failed to construct environment\n"));
+ goto childerr;
+ }
+ /* selinux context */
+ if (execcon && setexeccon(execcon) != 0) {
+ fprintf(stderr, _("Could not set exec context to %s.\n"), execcon);
+ goto childerr;
+ }
+
if (chdir(pwd->pw_dir)) {
perror(_("Failed to change dir to homedir"));
- exit(-1);
+ goto childerr;
}
+
setsid();
+
execv(argv[optind], argv + optind);
+ fprintf(stderr, _("Failed to execute command %s: %s\n"), argv[optind], strerror(errno));
+childerr:
free(display);
- perror("execv");
exit(-1);
- } else {
- waitpid(child, &status, 0);
}
- free(tmpdir_s);
- free(homedir_s);
+ drop_caps();
+ /* parent waits for child exit to do the cleanup */
+ waitpid(child, &status, 0);
+ status_to_retval(status, status);
+
+ if (tmpdir_r) cleanup_tmpdir(tmpdir_r, tmpdir_s, pwd, 1);
+
+err:
+ free(tmpdir_r);
return status;
}
+
diff --git a/policycoreutils/sandbox/start b/policycoreutils/sandbox/start
new file mode 100644
index 0000000..52950d7
--- /dev/null
+++ b/policycoreutils/sandbox/start
@@ -0,0 +1,9 @@
+#! /usr/bin/python -Es
+import gtk, commands, sys
+rc = [-1,'']
+try:
+ rc=commands.getstatusoutput(sys.argv[1])
+except:
+ pass
+if rc[0] == 0:
+ print rc[1]
diff --git a/policycoreutils/scripts/Makefile b/policycoreutils/scripts/Makefile
index 53b65b6..cc75a96 100644
--- a/policycoreutils/scripts/Makefile
+++ b/policycoreutils/scripts/Makefile
@@ -14,6 +14,7 @@ install: all
install -m 755 genhomedircon $(SBINDIR)
-mkdir -p $(MANDIR)/man8
install -m 644 fixfiles.8 $(MANDIR)/man8/
+ install -m 644 genhomedircon.8 $(MANDIR)/man8/
install -m 644 chcat.8 $(MANDIR)/man8/
clean:
diff --git a/policycoreutils/scripts/chcat b/policycoreutils/scripts/chcat
index 4038a99..9efcb22 100755
--- a/policycoreutils/scripts/chcat
+++ b/policycoreutils/scripts/chcat
@@ -1,4 +1,4 @@
-#! /usr/bin/python -E
+#! /usr/bin/python -Es
# Copyright (C) 2005 Red Hat
# see file 'COPYING' for use and warranty information
#
diff --git a/policycoreutils/scripts/chcat.8 b/policycoreutils/scripts/chcat.8
index 3f9efba..7c6d75a 100644
--- a/policycoreutils/scripts/chcat.8
+++ b/policycoreutils/scripts/chcat.8
@@ -51,5 +51,5 @@ When operating on files this script wraps the chcon command.
.SH "FILES"
/etc/selinux/{SELINUXTYPE}/setrans.conf
.br
-/etc/selinux/{SELINUXTYPE}/seuser
+/etc/selinux/{SELINUXTYPE}/seusers
diff --git a/policycoreutils/scripts/fixfiles b/policycoreutils/scripts/fixfiles
index ae519fc..0890811 100755
--- a/policycoreutils/scripts/fixfiles
+++ b/policycoreutils/scripts/fixfiles
@@ -21,6 +21,25 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
+# Get all mounted rw file systems that support seclabel
+#
+get_labeled_mounts() {
+# /dev is not listed in the mountab
+FS="`mount | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/\(rw/{print $3}';` /dev"
+for i in $FS; do
+ grep --silent "$i ".*seclabel /proc/self/mounts && echo $i
+done
+}
+
+exclude_dirs() {
+ exclude=
+ for i in /var/lib/BackupPC /home /tmp /dev; do
+ [ -e $i ] && exclude="$exclude -e $i";
+ done
+ echo "$exclude"
+}
+
+#
# Set global Variables
#
fullFlag=0
@@ -35,9 +54,7 @@ SYSLOGFLAG="-l"
LOGGER=/usr/sbin/logger
SETFILES=/sbin/setfiles
RESTORECON=/sbin/restorecon
-FILESYSTEMSRW=`mount | grep -v "context=" | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/(ext[234]| ext4dev | gfs2 | xfs | jfs | btrfs ).*\(rw/{print $3}';`
-FILESYSTEMSRO=`mount | grep -v "context=" | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/(ext[234]| ext4dev | gfs2 | xfs | jfs | btrfs ).*\(ro/{print $3}';`
-FILESYSTEMS="$FILESYSTEMSRW $FILESYSTEMSRO"
+FILESYSTEMS=`get_labeled_mounts`
SELINUXTYPE="targeted"
if [ -e /etc/selinux/config ]; then
. /etc/selinux/config
@@ -87,23 +104,10 @@ if [ -f ${PREFC} -a -x /usr/bin/diff ]; then
esac; \
fi; \
done | \
- while read pattern ; do sh -c "find $pattern \
- ! \( -fstype ext2 -o -fstype ext3 -o -fstype ext4 -o -fstype ext4dev -o -fstype gfs2 -o -fstype jfs -o -fstype xfs -o -fstype btrfs \) -prune -o \
- \( -wholename /home -o -wholename /root -o -wholename /tmp -wholename /dev \) -prune -o -print0"; \
- done 2> /dev/null | \
- ${RESTORECON} $* -0 -f -
+ ${RESTORECON} -f - -R -p `exclude_dirs`; \
rm -f ${TEMPFILE} ${PREFCTEMPFILE}
fi
}
-#
-# Log all Read Only file systems
-#
-LogReadOnly() {
-if [ ! -z "$FILESYSTEMSRO" ]; then
- logit "Warning: Skipping the following R/O filesystems:"
- logit "$FILESYSTEMSRO"
-fi
-}
rpmlist() {
rpm -q --qf '[%{FILESTATES} %{FILENAMES}\n]' "$1" | grep '^0 ' | cut -f2- -d ' '
@@ -121,23 +125,16 @@ if [ ! -z "$PREFC" ]; then
fi
if [ ! -z "$RPMFILES" ]; then
for i in `echo "$RPMFILES" | sed 's/,/ /g'`; do
- rpmlist $i | ${RESTORECON} ${FORCEFLAG} $* -R -i -f - 2>&1 >> $LOGFILE
+ rpmlist $i | ${RESTORECON} ${FORCEFLAG} $* -R -i -f - 2>&1 | cat >> $LOGFILE
done
exit $?
fi
if [ ! -z "$FILEPATH" ]; then
- if [ -x /usr/bin/find ]; then
- /usr/bin/find "$FILEPATH" \
- ! \( -fstype ext2 -o -fstype ext3 -o -fstype ext4 -o -fstype ext4dev -o -fstype gfs2 -o -fstype jfs -o -fstype xfs -o -fstype btrfs \) -prune -o -print0 | \
- ${RESTORECON} ${FORCEFLAG} $* -0 -f - 2>&1 >> $LOGFILE
- else
- ${RESTORECON} ${FORCEFLAG} -R $* $FILEPATH 2>&1 >> $LOGFILE
- fi
+ ${RESTORECON} ${FORCEFLAG} -R $* $FILEPATH 2>&1 | cat >> $LOGFILE
return
fi
[ -x /usr/sbin/genhomedircon ] && /usr/sbin/genhomedircon
-LogReadOnly
-${SETFILES} -q ${SYSLOGFLAG} ${FORCEFLAG} $* ${FC} ${FILESYSTEMSRW} 2>&1 >> $LOGFILE
+${SETFILES} -q ${SYSLOGFLAG} ${FORCEFLAG} $* ${FC} ${FILESYSTEMS} 2>&1 | cat >> $LOGFILE
rm -rf /tmp/gconfd-* /tmp/pulse-* /tmp/orbit-*
find /tmp \( -context "*:file_t*" -o -context "*:unlabeled_t*" \) -exec chcon -t tmp_t {} \;
find /var/tmp \( -context "*:file_t*" -o -context "*:unlabeled_t*" \) -exec chcon -t tmp_t {} \;
@@ -146,8 +143,7 @@ exit $?
fullrelabel() {
logit "Cleaning out /tmp"
- find /tmp/ -mindepth 1 -print0 | xargs -0 /bin/rm -f
- LogReadOnly
+ find /tmp/ -mindepth 1 -delete
restore
}
diff --git a/policycoreutils/scripts/genhomedircon.8 b/policycoreutils/scripts/genhomedircon.8
new file mode 100644
index 0000000..6331660
--- /dev/null
+++ b/policycoreutils/scripts/genhomedircon.8
@@ -0,0 +1,37 @@
+.\" Hey, Emacs! This is an -*- nroff -*- source file.
+.\" Copyright (c) 2010 Dan Walsh <dwalsh@redhat.com>
+.\"
+.\" This is free documentation; you can redistribute it and/or
+.\" modify it under the terms of the GNU General Public License as
+.\" published by the Free Software Foundation; either version 2 of
+.\" the License, or (at your option) any later version.
+.\"
+.\" The GNU General Public License's references to "object code"
+.\" and "executables" are to be interpreted as the output of any
+.\" document formatting or typesetting system, including
+.\" intermediate and printed output.
+.\"
+.\" This manual is distributed in the hope that it will be useful,
+.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
+.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+.\" GNU General Public License for more details.
+.\"
+.\" You should have received a copy of the GNU General Public
+.\" License along with this manual; if not, write to the Free
+.\" Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
+.\" USA.
+.\"
+.\"
+.TH GENHOMEDIRCON "8" "May 2010" "Security Enhanced Linux" "SELinux"
+.SH NAME
+genhomedircon \- generate SELinux file context configuration entries for user home directories
+.SH SYNOPSIS
+.B genhomedircon
+is a script that executes semodule to rebuild policy and create the
+labels for HOMEDIRS based on home directories returned by the getpw calls.
+
+This functionality is enabled via the usepasswd flag in /etc/selinux/semanage.conf.
+
+.SH AUTHOR
+This manual page was written by
+.I Dan Walsh <dwalsh@redhat.com>
diff --git a/policycoreutils/semanage/default_encoding/Makefile b/policycoreutils/semanage/default_encoding/Makefile
new file mode 100644
index 0000000..176b11f
--- /dev/null
+++ b/policycoreutils/semanage/default_encoding/Makefile
@@ -0,0 +1,8 @@
+all:
+ LDFLAGS="" python setup.py build
+
+install: all
+ LDFLAGS="" python setup.py install --root=$(DESTDIR)/
+
+clean:
+ rm -rf build *~
diff --git a/policycoreutils/semanage/default_encoding/default_encoding.c b/policycoreutils/semanage/default_encoding/default_encoding.c
new file mode 100644
index 0000000..c3cdd4e
--- /dev/null
+++ b/policycoreutils/semanage/default_encoding/default_encoding.c
@@ -0,0 +1,59 @@
+/*
+ * Authors:
+ * John Dennis <jdennis@redhat.com>
+ *
+ * Copyright (C) 2009 Red Hat
+ * see file 'COPYING' for use and warranty information
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <Python.h>
+
+PyDoc_STRVAR(setdefaultencoding_doc,
+"setdefaultencoding(encoding='utf-8')\n\
+\n\
+Set the current default string encoding used by the Unicode implementation.\n\
+Defaults to utf-8."
+);
+
+static PyObject *
+setdefaultencoding(PyObject *self, PyObject *args, PyObject *kwds)
+{
+ static char *kwlist[] = {"utf-8", NULL};
+ char *encoding;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "s:setdefaultencoding", kwlist, &encoding))
+ return NULL;
+
+ if (PyUnicode_SetDefaultEncoding(encoding))
+ return NULL;
+
+ Py_RETURN_NONE;
+}
+
+static PyMethodDef methods[] = {
+ {"setdefaultencoding", (PyCFunction)setdefaultencoding, METH_VARARGS|METH_KEYWORDS, setdefaultencoding_doc},
+ {NULL, NULL} /* sentinel */
+};
+
+
+PyMODINIT_FUNC
+initdefault_encoding_utf8(void)
+{
+ PyObject* m;
+
+ PyUnicode_SetDefaultEncoding("utf-8");
+ m = Py_InitModule3("default_encoding_utf8", methods, "Forces the default encoding to utf-8");
+}
diff --git a/policycoreutils/semanage/default_encoding/policycoreutils/__init__.py b/policycoreutils/semanage/default_encoding/policycoreutils/__init__.py
new file mode 100644
index 0000000..ccb6b8b
--- /dev/null
+++ b/policycoreutils/semanage/default_encoding/policycoreutils/__init__.py
@@ -0,0 +1,17 @@
+#
+# Copyright (C) 2006,2007,2008, 2009 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
diff --git a/policycoreutils/semanage/default_encoding/setup.py b/policycoreutils/semanage/default_encoding/setup.py
new file mode 100644
index 0000000..e2befdb
--- /dev/null
+++ b/policycoreutils/semanage/default_encoding/setup.py
@@ -0,0 +1,38 @@
+# Authors:
+# John Dennis <jdennis@redhat.com>
+#
+# Copyright (C) 2009 Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+from distutils.core import setup, Extension
+
+default_encoding_utf8 = Extension('policycoreutils.default_encoding_utf8', ['default_encoding.c'])
+
+setup(name = 'policycoreutils-default-encoding',
+ version = '0.1',
+ description = 'Forces the default encoding in Python to be utf-8',
+ long_description = 'Forces the default encoding in Python to be utf-8',
+ author = 'John Dennis',
+ author_email = 'jdennis@redhat.com',
+ maintainer = 'John Dennis',
+ maintainer_email = 'jdennis@redhat.com',
+ license = 'GPLv3+',
+ platforms = 'posix',
+ url = '',
+ download_url = '',
+ ext_modules = [default_encoding_utf8],
+ packages=["policycoreutils"],
+)
diff --git a/policycoreutils/semanage/semanage b/policycoreutils/semanage/semanage
index ffaca5b..bc989bf 100644
--- a/policycoreutils/semanage/semanage
+++ b/policycoreutils/semanage/semanage
@@ -1,4 +1,4 @@
-#! /usr/bin/python -E
+#! /usr/bin/python -Es
# Copyright (C) 2005, 2006, 2007 Red Hat
# see file 'COPYING' for use and warranty information
#
@@ -20,6 +20,7 @@
# 02111-1307 USA
#
#
+import policycoreutils.default_encoding_utf8
import sys, getopt, re
import seobject
import selinux
@@ -32,27 +33,35 @@ gettext.textdomain(PROGNAME)
try:
gettext.install(PROGNAME,
localedir="/usr/share/locale",
- unicode=False,
+ unicode=True,
codeset = 'utf-8')
except IOError:
import __builtin__
__builtin__.__dict__['_'] = unicode
if __name__ == '__main__':
-
+ action = False
+ manageditems=[ "boolean", "login", "user", "port", "interface", "node", "fcontext"]
+ def set_action(option):
+ global action
+ if action:
+ raise ValueError(_("%s bad option") % option)
+ action = True
+
def usage(message = ""):
text = _("""
semanage [ -S store ] -i [ input_file | - ]
-
-semanage {boolean|login|user|port|interface|node|fcontext} -{l|D} [-n]
-semanage login -{a|d|m} [-sr] login_name | %groupname
-semanage user -{a|d|m} [-LrRP] selinux_name
-semanage port -{a|d|m} [-tr] [ -p proto ] port | port_range
-semanage interface -{a|d|m} [-tr] interface_spec
-semanage node -{a|d|m} [-tr] [ -p protocol ] [-M netmask] addr
-semanage fcontext -{a|d|m} [-frst] file_spec
+semanage [ -S store ] -o [ output_file | - ]
+
+semanage login -{a|d|m|l|D|E} [-nrs] login_name | %groupname
+semanage user -{a|d|m|l|D|E} [-LnrRP] selinux_name
+semanage port -{a|d|m|l|D|E} [-nrt] [ -p proto ] port | port_range
+semanage interface -{a|d|m|l|D|E} [-nrt] interface_spec
+semanage module -{a|d|m} [--enable|--disable] module
+semanage node -{a|d|m|l|D|E} [-nrt] [ -p protocol ] [-M netmask] addr
+semanage fcontext -{a|d|m|l|D|E} [-efnrst] file_spec
semanage boolean -{d|m} [--on|--off|-1|-0] -F boolean | boolean_file
-semanage permissive -{d|a} type
+semanage permissive -{d|a|l} [-n] type
semanage dontaudit [ on | off ]
Primary Options:
@@ -61,7 +70,9 @@ Primary Options:
-d, --delete Delete a OBJECT record NAME
-m, --modify Modify a OBJECT record NAME
-i, --input Input multiple semange commands in a transaction
+ -o, --output Output current customizations as semange commands
-l, --list List the OBJECTS
+ -E, --extract extract customizable commands
-C, --locallist List OBJECTS local customizations
-D, --deleteall Remove all OBJECTS local customizations
@@ -84,12 +95,15 @@ Object-specific Options (see above):
-F, --file Treat target as an input file for command, change multiple settings
-p, --proto Port protocol (tcp or udp) or internet protocol version of node (ipv4 or ipv6)
-M, --mask Netmask
+ -e, --equal Substitue source path for dest path when labeling
-P, --prefix Prefix for home directory labeling
-L, --level Default SELinux Level (MLS/MCS Systems only)
-R, --roles SELinux Roles (ex: "sysadm_r staff_r")
-s, --seuser SELinux User Name
-t, --type SELinux Type for the object
-r, --range MLS/MCS Security Range (MLS/MCS Systems only)
+ --enable Enable a module
+ --disable Disable a module
""")
raise ValueError("%s\n%s" % (text, message))
@@ -101,22 +115,25 @@ Object-specific Options (see above):
def get_options():
valid_option={}
- valid_everyone=[ '-a', '--add', '-d', '--delete', '-m', '--modify', '-l', '--list', '-h', '--help', '-n', '--noheading', '-C', '--locallist', '-D', '--deleteall', '-S', '--store' ]
+ valid_everyone=[ '-a', '--add', '-d', '--delete', '-m', '--modify', '-l', '--list', '-h', '--help', '-n', '--noheading', '-S', '--store' ]
+ valid_local=[ '-E', '--extract', '-C', '--locallist', '-D', '--deleteall']
valid_option["login"] = []
- valid_option["login"] += valid_everyone + [ '-s', '--seuser', '-r', '--range']
+ valid_option["login"] += valid_everyone + valid_local + [ '-s', '--seuser', '-r', '--range']
valid_option["user"] = []
- valid_option["user"] += valid_everyone + [ '-L', '--level', '-r', '--range', '-R', '--roles', '-P', '--prefix' ]
+ valid_option["user"] += valid_everyone + valid_local + [ '-L', '--level', '-r', '--range', '-R', '--roles', '-P', '--prefix' ]
valid_option["port"] = []
- valid_option["port"] += valid_everyone + [ '-t', '--type', '-r', '--range', '-p', '--proto' ]
+ valid_option["port"] += valid_everyone + valid_local + [ '-t', '--type', '-r', '--range', '-p', '--proto' ]
valid_option["interface"] = []
- valid_option["interface"] += valid_everyone + [ '-t', '--type', '-r', '--range']
+ valid_option["interface"] += valid_everyone + valid_local + [ '-t', '--type', '-r', '--range']
valid_option["node"] = []
- valid_option["node"] += valid_everyone + [ '-M', '--mask', '-t', '--type', '-r', '--range', '-p', '--protocol']
+ valid_option["node"] += valid_everyone + valid_local + [ '-M', '--mask', '-t', '--type', '-r', '--range', '-p', '--protocol']
+ valid_option["module"] = []
+ valid_option["module"] += valid_everyone + [ '--enable', '--disable']
valid_option["fcontext"] = []
- valid_option["fcontext"] += valid_everyone + [ '-f', '--ftype', '-s', '--seuser', '-t', '--type', '-r', '--range']
+ valid_option["fcontext"] += valid_everyone + valid_local + [ '-e', '--equal', '-f', '--ftype', '-s', '--seuser', '-t', '--type', '-r', '--range']
valid_option["dontaudit"] = [ '-S', '--store' ]
valid_option["boolean"] = []
- valid_option["boolean"] += valid_everyone + [ '--on', "--off", "-1", "-0", "-F", "--file"]
+ valid_option["boolean"] += valid_everyone + valid_local + [ '--on', "--off", "-1", "-0", "-F", "--file"]
valid_option["permissive"] = []
valid_option["permissive"] += [ '-a', '--add', '-d', '--delete', '-l', '--list', '-h', '--help', '-n', '--noheading', '-D', '--deleteall' ]
return valid_option
@@ -168,6 +185,8 @@ Object-specific Options (see above):
return ret
def process_args(argv):
+ global action
+ action = False
serange = ""
port = ""
proto = ""
@@ -184,11 +203,17 @@ Object-specific Options (see above):
modify = False
delete = False
deleteall = False
+ enable = False
+ extract = False
+ disable = False
list = False
locallist = False
use_file = False
store = ""
+ equal=""
+ if len(argv) == 0:
+ return
object = argv[0]
option_dict=get_options()
if object not in option_dict.keys():
@@ -196,58 +221,84 @@ Object-specific Options (see above):
args = argv[1:]
- gopts, cmds = getopt.getopt(args,
- '01adf:i:lhmnp:s:FCDR:L:r:t:P:S:M:',
- ['add',
- 'delete',
- 'deleteall',
- 'ftype=',
- 'file',
- 'help',
- 'input=',
- 'list',
- 'modify',
- 'noheading',
- 'localist',
- 'off',
- 'on',
- 'proto=',
- 'seuser=',
- 'store=',
- 'range=',
- 'locallist=',
- 'level=',
- 'roles=',
- 'type=',
- 'prefix=',
- 'mask='
- ])
+ try:
+ gopts, cmds = getopt.getopt(args,
+ '01adEe:f:i:lhmnp:s:FCDR:L:r:t:P:S:M:',
+ ['add',
+ 'delete',
+ 'deleteall',
+ 'equal=',
+ 'enable',
+ 'extract',
+ 'disable',
+ 'ftype=',
+ 'file',
+ 'help',
+ 'input=',
+ 'list',
+ 'modify',
+ 'noheading',
+ 'localist',
+ 'off',
+ 'on',
+ 'proto=',
+ 'seuser=',
+ 'store=',
+ 'range=',
+ 'locallist=',
+ 'level=',
+ 'roles=',
+ 'type=',
+ 'prefix=',
+ 'mask='
+ ])
+ except getopt.error, error:
+ usage(_("Options Error %s ") % error.msg)
+
for o, a in gopts:
if o not in option_dict[object]:
sys.stderr.write(_("%s not valid for %s objects\n") % ( o, object) );
+
+ return
for o,a in gopts:
if o == "-a" or o == "--add":
- if modify or delete:
- raise ValueError(_("%s bad option") % o)
+ set_action(o)
add = True
if o == "-d" or o == "--delete":
- if modify or add:
- raise ValueError(_("%s bad option") % o)
+ set_action(o)
delete = True
+
if o == "-D" or o == "--deleteall":
- if modify:
- raise ValueError(_("%s bad option") % o)
+ set_action(o)
deleteall = True
+
+ if o == "-E" or o == "--extract":
+ set_action(o)
+ extract = True
if o == "-f" or o == "--ftype":
ftype=a
+ if o == "-e" or o == "--equal":
+ equal = a
+
+ if o == "--enable":
+ if disable:
+ raise ValueError(_("You can't disable and enable at the same time"))
+
+ enable = True
+
+ if o == "--disable":
+ if enable:
+ raise ValueError(_("You can't disable and enable at the same time"))
+ disable = True
+
if o == "-F" or o == "--file":
use_file = True
if o == "-h" or o == "--help":
- raise ValueError(_("%s bad option") % o)
+ raise usage()
if o == "-n" or o == "--noheading":
heading = False
@@ -256,8 +307,7 @@ Object-specific Options (see above):
locallist = True
if o == "-m"or o == "--modify":
- if delete or add:
- raise ValueError(_("%s bad option") % o)
+ set_action(o)
modify = True
if o == "-S" or o == '--store':
@@ -292,8 +342,10 @@ Object-specific Options (see above):
if o == "--on" or o == "-1":
value = "on"
+ modify = True
if o == "--off" or o == "-0":
value = "off"
+ modify = True
if object == "login":
OBJECT = seobject.loginRecords(store)
@@ -315,6 +367,11 @@ Object-specific Options (see above):
if object == "boolean":
OBJECT = seobject.booleanRecords(store)
+ if use_file:
+ modify=True
+
+ if object == "module":
+ OBJECT = seobject.moduleRecords(store)
if object == "permissive":
OBJECT = seobject.permissiveRecords(store)
@@ -330,65 +387,97 @@ Object-specific Options (see above):
OBJECT.deleteall()
return
+ if extract:
+ for i in OBJECT.customized():
+ print "%s %s" % (object, str(i))
+ return
+
if len(cmds) != 1:
- raise ValueError(_("%s bad option") % o)
+ raise ValueError(_("bad option"))
target = cmds[0]
-
if object == "dontaudit":
- OBJECT = seobject.dontauditClass(store)
- OBJECT.toggle(target)
- return
+ OBJECT = seobject.dontauditClass(store)
+ OBJECT.toggle(target)
+ return
if add:
if object == "login":
OBJECT.add(target, seuser, serange)
+ return
if object == "user":
OBJECT.add(target, roles.split(), selevel, serange, prefix)
+ return
if object == "port":
OBJECT.add(target, proto, serange, setype)
+ return
if object == "interface":
OBJECT.add(target, serange, setype)
+ return
+
+ if object == "module":
+ OBJECT.add(target)
+ return
if object == "node":
OBJECT.add(target, mask, proto, serange, setype)
+ return
if object == "fcontext":
- OBJECT.add(target, setype, ftype, serange, seuser)
+ if equal == "":
+ OBJECT.add(target, setype, ftype, serange, seuser)
+ else:
+ OBJECT.add_equal(target, equal)
+ return
if object == "permissive":
OBJECT.add(target)
+ return
- return
-
if modify:
if object == "boolean":
OBJECT.modify(target, value, use_file)
+ return
if object == "login":
OBJECT.modify(target, seuser, serange)
+ return
if object == "user":
rlist = roles.split()
OBJECT.modify(target, rlist, selevel, serange, prefix)
+ return
+
+ if object == "module":
+ if enable:
+ OBJECT.enable(target)
+ elif disable:
+ OBJECT.disable(target)
+ else:
+ OBJECT.modify(target)
+ return
if object == "port":
OBJECT.modify(target, proto, serange, setype)
+ return
if object == "interface":
OBJECT.modify(target, serange, setype)
+ return
if object == "node":
OBJECT.modify(target, mask, proto, serange, setype)
+ return
if object == "fcontext":
- OBJECT.modify(target, setype, ftype, serange, seuser)
-
- return
-
+ if equal == "":
+ OBJECT.modify(target, setype, ftype, serange, seuser)
+ else:
+ OBJECT.modify_equal(target, equal)
+ return
if delete:
if object == "port":
OBJECT.delete(target, proto)
@@ -401,50 +490,65 @@ Object-specific Options (see above):
else:
OBJECT.delete(target)
-
return
-
- raise ValueError(_("Invalid command") % " ".join(argv))
+ raise ValueError(_("Invalid command: semanage %s") % " ".join(argv))
#
#
#
try:
+ output = None
input = None
store = ""
if len(sys.argv) < 3:
usage(_("Requires 2 or more arguments"))
- gopts, cmds = getopt.getopt(sys.argv[1:],
- '01adf:i:lhmnp:s:FCDR:L:r:t:T:P:S:',
- ['add',
- 'delete',
- 'deleteall',
- 'ftype=',
- 'file',
- 'help',
- 'input=',
- 'list',
- 'modify',
- 'noheading',
- 'localist',
- 'off',
- 'on',
- 'proto=',
- 'seuser=',
- 'store=',
- 'range=',
- 'level=',
- 'roles=',
- 'type=',
- 'prefix='
- ])
+ try:
+ gopts, cmds = getopt.getopt(sys.argv[1:],
+ '01adf:i:lhmno:p:s:FCDR:L:r:t:T:P:S:',
+ ['add',
+ 'delete',
+ 'deleteall',
+ 'ftype=',
+ 'file',
+ 'help',
+ 'input=',
+ 'list',
+ 'modify',
+ 'noheading',
+ 'localist',
+ 'off',
+ 'on',
+ 'output=',
+ 'proto=',
+ 'seuser=',
+ 'store=',
+ 'range=',
+ 'level=',
+ 'roles=',
+ 'type=',
+ 'trans=',
+ 'prefix='
+ ])
+ except getopt.error, error:
+ usage(_("Options Error %s ") % error.msg)
+
for o, a in gopts:
if o == "-S" or o == '--store':
store = a
if o == "-i" or o == '--input':
input = a
+ if o == "-o" or o == '--output':
+ output = a
+
+ if output != None:
+ if output != "-":
+ sys.stdout = open(output, 'w')
+ for i in manageditems:
+ print "%s -D" % i
+ process_args([i, "-E"])
+ sys.exit(0)
if input != None:
if input == "-":
@@ -459,11 +563,11 @@ Object-specific Options (see above):
else:
process_args(sys.argv[1:])
- except getopt.error, error:
- usage(_("Options Error %s ") % error.msg)
except ValueError, error:
errorExit(error.args[0])
except KeyError, error:
errorExit(_("Invalid value %s") % error.args[0])
except IOError, error:
errorExit(error.args[1])
+ except OSError, error:
+ errorExit(error.args[1])
diff --git a/policycoreutils/semanage/semanage.8 b/policycoreutils/semanage/semanage.8
index 70d1a20..fb6a79b 100644
--- a/policycoreutils/semanage/semanage.8
+++ b/policycoreutils/semanage/semanage.8
@@ -1,29 +1,69 @@
-.TH "semanage" "8" "2005111103" "" ""
+.TH "semanage" "8" "20100223" "" ""
.SH "NAME"
semanage \- SELinux Policy Management tool
.SH "SYNOPSIS"
-.B semanage {boolean|login|user|port|interface|node|fcontext} \-{l|D} [\-n] [\-S store]
+Output local customizations
.br
-.B semanage boolean \-{d|m} [\-\-on|\-\-off|\-1|\-0] -F boolean | boolean_file
+.B semanage [ -S store ] -o [ output_file | - ]
+
+Input local customizations
+.br
+.B semanage [ -S store ] -i [ input_file | - ]
+
+Manage booleans. Booleans allow the administrator to modify the confinement of
+processes based on his configuration.
+.br
+.B semanage boolean [\-S store] \-{d|m|l|n|D} \-[\-on|\-off|\1|0] -F boolean | boolean_file
+
+Manage SELinux confined users (Roles and levels for an SELinux user)
+.br
+.B semanage user [\-S store] \-{a|d|m|l|n|D} [\-LrRP] selinux_name
+
+Manage login mappings between linux users and SELinux confined users.
+.br
+.B semanage login [\-S store] \-{a|d|m|l|n|D} [\-sr] login_name | %groupname
+
+Manage policy modules.
+.br
+.B semanage module [\-S store] \-{a|d|l} [-m [--enable | --disable] ] module_name
+
+Manage network port type definitions
.br
-.B semanage login \-{a|d|m} [\-sr] login_name | %groupname
+.B semanage port [\-S store] \-{a|d|m|l|n|D} [\-tr] [\-p proto] port | port_range
.br
-.B semanage user \-{a|d|m} [\-LrRP] selinux_name
+
+Manage network interface type definitions
+.br
+.B semanage interface [\-S store] \-{a|d|m|l|n|D} [\-tr] interface_spec
+
+Manage network node type definitions
.br
-.B semanage port \-{a|d|m} [\-tr] [\-p proto] port | port_range
+.B semanage node [\-S store] -{a|d|m|l|n|D} [-tr] [ -p protocol ] [-M netmask] address
.br
-.B semanage interface \-{a|d|m} [\-tr] interface_spec
+
+Manage file context mapping definitions
+.br
+.B semanage fcontext [\-S store] \-{a|d|m|l|n|D} [\-frst] file_spec
.br
-.B semanage node -{a|d|m} [-tr] [ -p protocol ] [-M netmask] address
+.B semanage fcontext [\-S store] \-{a|d|m|l|n|D} \-e replacement target
.br
-.B semanage fcontext \-{a|d|m} [\-frst] file_spec
+
+Manage processes type enforcement mode
.br
-.B semanage permissive \-{a|d} type
+.B semanage permissive [\-S store] \-{a|d|l|n|D} type
.br
-.B semanage dontaudit [ on | off ]
+
+Disable/Enable dontaudit rules in policy
+.br
+.B semanage dontaudit [\-S store] [ on | off ]
.P
+Execute multiple commands within a single transaction.
+.br
+.B semanage [\-S store] \-i command-file
+.br
+
.SH "DESCRIPTION"
semanage is used to configure certain elements of
SELinux policy without requiring modification to or recompilation
@@ -52,6 +92,22 @@ Delete a OBJECT record NAME
.I \-D, \-\-deleteall
Remove all OBJECTS local customizations
.TP
+.I \-\-disable
+Disable a policy module, requires -m option
+
+Currently modules only.
+.TP
+.I \-\-enable
+Enable a disabled policy module, requires -m option
+
+Currently modules only.
+.TP
+.I \-e, \-\-equal
+Substitute target path with sourcepath when generating default label. This is used with
+fcontext. Requires source and target path arguments. The context
+labeling for the target subtree is made equivalent to that
+defined for the source.
+.TP
.I \-f, \-\-ftype
File Type. This is used with fcontext.
Requires a file type as shown in the mode field by ls, e.g. use -d to match only directories or -- to match only regular files.
@@ -60,6 +116,7 @@ Requires a file type as shown in the mode field by ls, e.g. use -d to match only
Set multiple records from the input file. When used with the \-l \-\-list, it will output the current settings to stdout in the proper format.
Currently booleans only.
+
.TP
.I \-h, \-\-help
display this message
@@ -76,6 +133,9 @@ Default SELinux Level for SELinux use, s0 Default. (MLS/MCS Systems only)
.I \-m, \-\-modify
Modify a OBJECT record NAME
.TP
+.I \-M, \-\-mask
+Network Mask
+.TP
.I \-n, \-\-noheading
Do not print heading when listing OBJECTS.
.TP
@@ -99,26 +159,67 @@ Select and alternate SELinux store to manage
.TP
.I \-t, \-\-type
SELinux Type for the object
+.TP
+.I \-i, \-\-input
+Take a set of commands from a specified file and load them in a single
+transaction.
.SH EXAMPLE
.nf
-# View SELinux user mappings
-$ semanage user -l
-# Allow joe to login as staff_u
-$ semanage login -a -s staff_u joe
-# Allow the group clerks to login as user_u
-$ semanage login -a -s user_u %clerks
-# Add file-context for everything under /web (used by restorecon)
-$ semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
-# Allow Apache to listen on port 81
-$ semanage port -a -t http_port_t -p tcp 81
-# Change apache to a permissive domain
-$ semanage permissive -a httpd_t
-# Turn off dontaudit rules
-$ semanage dontaudit off
+.B SELinux user
+List SELinux users
+# semanage user -l
+
+.B SELinux login
+Change joe to login as staff_u
+# semanage login -a -s staff_u joe
+Change the group clerks to login as user_u
+# semanage login -a -s user_u %clerks
+
+.B File contexts
+.i remember to run restorecon after you set the file context
+Add file-context for everything under /web
+# semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
+# restorecon -R -v /web
+
+Substitute /home1 with /home when setting file context
+# semanage fcontext -a -e /home /home1
+# restorecon -R -v /home1
+
+For home directories under top level directory, for example /disk6/home,
+execute the following commands.
+# semanage fcontext -a -t home_root_t "/disk6"
+# semanage fcontext -a -e /home /disk6/home
+# restorecon -R -v /disk6
+
+.B Port contexts
+Allow Apache to listen on tcp port 81
+# semanage port -a -t http_port_t -p tcp 81
+
+.B Change apache to a permissive domain
+# semanage permissive -a httpd_t
+
+.B Turn off dontaudit rules
+# semanage dontaudit off
+
+.B Managing multiple machines
+Multiple machines that need the same customizations.
+Extract customizations off first machine, copy them
+to second and import them.
+
+# semanage -o /tmp/local.selinux
+# scp /tmp/local.selinux secondmachine:/tmp
+# ssh secondmachine
+# semanage -i /tmp/local.selinux
+
+If these customizations include file context, you need to apply the
+context using restorecon.
+
.fi
.SH "AUTHOR"
-This man page was written by Daniel Walsh <dwalsh@redhat.com> and
-Russell Coker <rcoker@redhat.com>.
+This man page was written by Daniel Walsh <dwalsh@redhat.com>
+.br
+and Russell Coker <rcoker@redhat.com>.
+.br
Examples by Thomas Bleher <ThomasBleher@gmx.de>.
diff --git a/policycoreutils/semanage/seobject.py b/policycoreutils/semanage/seobject.py
index b7d257b..d5920aa 100644
--- a/policycoreutils/semanage/seobject.py
+++ b/policycoreutils/semanage/seobject.py
@@ -25,51 +25,17 @@ import pwd, grp, string, selinux, tempfile, os, re, sys, stat
from semanage import *;
PROGNAME = "policycoreutils"
import sepolgen.module as module
+from IPy import IP
import gettext
gettext.bindtextdomain(PROGNAME, "/usr/share/locale")
gettext.textdomain(PROGNAME)
-try:
- gettext.install(PROGNAME, localedir = "/usr/share/locale", unicode = 1)
-except IOError:
- import __builtin__
- __builtin__.__dict__['_'] = unicode
-
-import syslog
-handle = None
-
-def get_handle(store):
- global handle
- global is_mls_enabled
-
- handle = semanage_handle_create()
- if not handle:
- raise ValueError(_("Could not create semanage handle"))
-
- if store != "":
- semanage_select_store(handle, store, SEMANAGE_CON_DIRECT);
-
- if not semanage_is_managed(handle):
- semanage_handle_destroy(handle)
- raise ValueError(_("SELinux policy is not managed or store cannot be accessed."))
-
- rc = semanage_access_check(handle)
- if rc < SEMANAGE_CAN_READ:
- semanage_handle_destroy(handle)
- raise ValueError(_("Cannot read policy store."))
-
- rc = semanage_connect(handle)
- if rc < 0:
- semanage_handle_destroy(handle)
- raise ValueError(_("Could not establish semanage connection"))
-
- is_mls_enabled = semanage_mls_enabled(handle)
- if is_mls_enabled < 0:
- semanage_handle_destroy(handle)
- raise ValueError(_("Could not test MLS enabled status"))
+import gettext
+translation=gettext.translation(PROGNAME, localedir = "/usr/share/locale", fallback=True)
+_=translation.ugettext
- return handle
+import syslog
file_types = {}
file_types[""] = SEMANAGE_FCONTEXT_ALL;
@@ -194,45 +160,148 @@ def untranslate(trans, prepend = 1):
return trans
else:
return raw
-
+
class semanageRecords:
- def __init__(self, store):
+ transaction = False
+ handle = None
+ store = None
+
+ def __init__(self, store):
global handle
- if handle != None:
- self.sh = handle
- else:
- self.sh = get_handle(store)
- self.transaction = False
+ self.sh = self.get_handle(store)
+
+ def get_handle(self, store):
+ global is_mls_enabled
+
+ if semanageRecords.handle:
+ return semanageRecords.handle
+
+ handle = semanage_handle_create()
+ if not handle:
+ raise ValueError(_("Could not create semanage handle"))
+
+ if not semanageRecords.transaction and store != "":
+ semanage_select_store(handle, store, SEMANAGE_CON_DIRECT);
+ semanageRecords.store = store
+
+ if not semanage_is_managed(handle):
+ semanage_handle_destroy(handle)
+ raise ValueError(_("SELinux policy is not managed or store cannot be accessed."))
+
+ rc = semanage_access_check(handle)
+ if rc < SEMANAGE_CAN_READ:
+ semanage_handle_destroy(handle)
+ raise ValueError(_("Cannot read policy store."))
+
+ rc = semanage_connect(handle)
+ if rc < 0:
+ semanage_handle_destroy(handle)
+ raise ValueError(_("Could not establish semanage connection"))
+
+ is_mls_enabled = semanage_mls_enabled(handle)
+ if is_mls_enabled < 0:
+ semanage_handle_destroy(handle)
+ raise ValueError(_("Could not test MLS enabled status"))
+
+ semanageRecords.handle = handle
+ return semanageRecords.handle
def deleteall(self):
raise ValueError(_("Not yet implemented"))
def start(self):
- if self.transaction:
+ if semanageRecords.transaction:
raise ValueError(_("Semanage transaction already in progress"))
self.begin()
- self.transaction = True
-
+ semanageRecords.transaction = True
def begin(self):
- if self.transaction:
+ if semanageRecords.transaction:
return
rc = semanage_begin_transaction(self.sh)
if rc < 0:
raise ValueError(_("Could not start semanage transaction"))
+ def customized(self):
+ raise ValueError(_("Not yet implemented"))
+
def commit(self):
- if self.transaction:
+ if semanageRecords.transaction:
return
rc = semanage_commit(self.sh)
if rc < 0:
raise ValueError(_("Could not commit semanage transaction"))
def finish(self):
- if not self.transaction:
+ if not semanageRecords.transaction:
raise ValueError(_("Semanage transaction not in progress"))
- self.transaction = False
+ semanageRecords.transaction = False
self.commit()
+class moduleRecords(semanageRecords):
+ def __init__(self, store):
+ semanageRecords.__init__(self, store)
+
+ def get_all(self):
+ l = []
+ (rc, mlist, number) = semanage_module_list(self.sh)
+ if rc < 0:
+ raise ValueError(_("Could not list SELinux modules"))
+
+ for i in range(number):
+ mod = semanage_module_list_nth(mlist, i)
+ l.append((semanage_module_get_name(mod), semanage_module_get_version(mod), semanage_module_get_enabled(mod)))
+ return l
+
+ def list(self, heading = 1, locallist = 0):
+ if heading:
+ print "\n%-25s%-10s\n" % (_("Modules Name"), _("Version"))
+ for t in self.get_all():
+ if t[2] == 0:
+ disabled = _("Disabled")
+ else:
+ disabled = ""
+ print "%-25s%-10s%s" % (t[0], t[1], disabled)
+
+ def add(self, file):
+ rc = semanage_module_install_file(self.sh, file);
+ if rc >= 0:
+ self.commit()
+
+ def disable(self, module):
+ need_commit = False
+ for m in module.split():
+ rc = semanage_module_disable(self.sh, m)
+ if rc < 0 and rc != -3:
+ raise ValueError(_("Could not disable module %s (remove failed)") % m)
+ if rc != -3:
+ need_commit = True
+ if need_commit:
+ self.commit()
+
+ def enable(self, module):
+ need_commit = False
+ for m in module.split():
+ rc = semanage_module_enable(self.sh, m)
+ if rc < 0 and rc != -3:
+ raise ValueError(_("Could not enable module %s (remove failed)") % m)
+ if rc != -3:
+ need_commit = True
+ if need_commit:
+ self.commit()
+
+ def modify(self, file):
+ rc = semanage_module_update_file(self.sh, file);
+ if rc >= 0:
+ self.commit()
+
+ def delete(self, module):
+ for m in module.split():
+ rc = semanage_module_remove(self.sh, m)
+ if rc < 0 and rc != -2:
+ raise ValueError(_("Could not remove module %s (remove failed)") % m)
+
+ self.commit()
+
class dontauditClass(semanageRecords):
def __init__(self, store):
semanageRecords.__init__(self, store)
@@ -259,14 +328,23 @@ class permissiveRecords(semanageRecords):
name = semanage_module_get_name(mod)
if name and name.startswith("permissive_"):
l.append(name.split("permissive_")[1])
+
return l
def list(self, heading = 1, locallist = 0):
- if heading:
- print "\n%-25s\n" % (_("Permissive Types"))
- for t in self.get_all():
- print t
+ import setools
+ all = map(lambda y: y["name"], filter(lambda x: x["permissive"], setools.seinfo(setools.TYPE)))
+ if heading:
+ print "\n%-25s\n" % (_("Builtin Permissive Types"))
+ customized = self.get_all()
+ for t in all:
+ if t not in customized:
+ print t
+ if heading:
+ print "\n%-25s\n" % (_("Customized Permissive Types"))
+ for t in customized:
+ print t
def add(self, type):
import glob
@@ -343,7 +421,9 @@ class loginRecords(semanageRecords):
if rc < 0:
raise ValueError(_("Could not check if login mapping for %s is defined") % name)
if exists:
- raise ValueError(_("Login mapping for %s is already defined") % name)
+ semanage_seuser_key_free(k)
+ return self.__modify(name, sename, serange)
+
if name[0] == '%':
try:
grp.getgrnam(name[1:])
@@ -475,6 +555,16 @@ class loginRecords(semanageRecords):
mylog.log(1, "delete SELinux user mapping", name);
+ def deleteall(self):
+ (rc, ulist) = semanage_seuser_list_local(self.sh)
+ if rc < 0:
+ raise ValueError(_("Could not list login mappings"))
+
+ self.begin()
+ for u in ulist:
+ self.__delete(semanage_seuser_get_name(u))
+ self.commit()
+
def get_all(self, locallist = 0):
ddict = {}
if locallist:
@@ -489,6 +579,15 @@ class loginRecords(semanageRecords):
ddict[name] = (semanage_seuser_get_sename(u), semanage_seuser_get_mlsrange(u))
return ddict
+ def customized(self):
+ l = []
+ ddict = self.get_all(True)
+ keys = ddict.keys()
+ keys.sort()
+ for k in keys:
+ l.append("-a -s %s -r '%s' %s" % (ddict[k][0], ddict[k][1], k))
+ return l
+
def list(self,heading = 1, locallist = 0):
ddict = self.get_all(locallist)
keys = ddict.keys()
@@ -531,7 +630,8 @@ class seluserRecords(semanageRecords):
if rc < 0:
raise ValueError(_("Could not check if SELinux user %s is defined") % name)
if exists:
- raise ValueError(_("SELinux user %s is already defined") % name)
+ semanage_user_key_free(k)
+ return self.__modify(name, roles, selevel, serange, prefix)
(rc, u) = semanage_user_create(self.sh)
if rc < 0:
@@ -682,6 +782,16 @@ class seluserRecords(semanageRecords):
mylog.log(1,"delete SELinux user record", name)
+ def deleteall(self):
+ (rc, ulist) = semanage_user_list_local(self.sh)
+ if rc < 0:
+ raise ValueError(_("Could not list login mappings"))
+
+ self.begin()
+ for u in ulist:
+ self.__delete(semanage_user_get_name(u))
+ self.commit()
+
def get_all(self, locallist = 0):
ddict = {}
if locallist:
@@ -702,6 +812,15 @@ class seluserRecords(semanageRecords):
return ddict
+ def customized(self):
+ l = []
+ ddict = self.get_all(True)
+ keys = ddict.keys()
+ keys.sort()
+ for k in keys:
+ l.append("-a -r %s -R '%s' %s" % (ddict[k][2], ddict[k][3], k))
+ return l
+
def list(self, heading = 1, locallist = 0):
ddict = self.get_all(locallist)
keys = ddict.keys()
@@ -740,12 +859,16 @@ class portRecords(semanageRecords):
low = int(ports[0])
high = int(ports[1])
+ if high > 65536:
+ raise ValueError(_("Invalid Port"))
+
(rc, k) = semanage_port_key_create(self.sh, low, high, proto_d)
if rc < 0:
raise ValueError(_("Could not create a key for %s/%s") % (proto, port))
return ( k, proto_d, low, high )
def __add(self, port, proto, serange, type):
+
if is_mls_enabled == 1:
if serange == "":
serange = "s0"
@@ -808,6 +931,7 @@ class portRecords(semanageRecords):
self.commit()
def __modify(self, port, proto, serange, setype):
+
if serange == "" and setype == "":
if is_mls_enabled == 1:
raise ValueError(_("Requires setype or serange"))
@@ -942,6 +1066,18 @@ class portRecords(semanageRecords):
ddict[(ctype,proto_str)].append("%d-%d" % (low, high))
return ddict
+ def customized(self):
+ l = []
+ ddict = self.get_all(True)
+ keys = ddict.keys()
+ keys.sort()
+ for k in keys:
+ if k[0] == k[1]:
+ l.append("-a -t %s -p %s %s" % (ddict[k][0], k[2], k[0]))
+ else:
+ l.append("-a -t %s -p %s %s-%s" % (ddict[k][0], k[2], k[0], k[1]))
+ return l
+
def list(self, heading = 1, locallist = 0):
if heading:
print "%-30s %-8s %s\n" % (_("SELinux Port Type"), _("Proto"), _("Port Number"))
@@ -958,21 +1094,35 @@ class portRecords(semanageRecords):
class nodeRecords(semanageRecords):
def __init__(self, store = ""):
semanageRecords.__init__(self,store)
-
- def __add(self, addr, mask, proto, serange, ctype):
+ self.protocol = ["ipv4", "ipv6"]
+
+ def validate(self, addr, mask, protocol):
+ newaddr=""
+ newmask=""
+ newprotocol=""
if addr == "":
raise ValueError(_("Node Address is required"))
- if mask == "":
- raise ValueError(_("Node Netmask is required"))
-
- if proto == "ipv4":
- proto = 0
- elif proto == "ipv6":
- proto = 1
- else:
+ # verify valid comination
+ if len(mask) == 0 or mask[0] == "/":
+ i = IP(addr + mask)
+ else:
+ i = IP(addr + "/" + mask)
+ newaddr = i.strNormal(0)
+ newmask = str(i.netmask())
+ if protocol == "":
+ protocol = "ipv%d" % i.version()
+
+ try:
+ newprotocol = self.protocol.index(protocol)
+ except:
raise ValueError(_("Unknown or missing protocol"))
+ return newaddr, newmask, newprotocol
+
+ def __add(self, addr, mask, proto, serange, ctype):
+
+ addr, mask, proto = self.validate(addr, mask, proto)
if is_mls_enabled == 1:
if serange == "":
@@ -991,11 +1141,13 @@ class nodeRecords(semanageRecords):
(rc, exists) = semanage_node_exists(self.sh, k)
if exists:
- raise ValueError(_("Addr %s already defined") % addr)
+ semanage_node_key_free(k)
+ return self.__modify(addr, mask, self.protocol[proto], serange, ctype)
(rc, node) = semanage_node_create(self.sh)
if rc < 0:
raise ValueError(_("Could not create addr for %s") % addr)
+ semanage_node_set_proto(node, proto)
rc = semanage_node_set_addr(self.sh, node, proto, addr)
(rc, con) = semanage_context_create(self.sh)
@@ -1005,8 +1157,7 @@ class nodeRecords(semanageRecords):
rc = semanage_node_set_mask(self.sh, node, proto, mask)
if rc < 0:
raise ValueError(_("Could not set mask for %s") % addr)
-
-
+
rc = semanage_context_set_user(self.sh, con, "system_u")
if rc < 0:
raise ValueError(_("Could not set user in addr context for %s") % addr)
@@ -1042,18 +1193,8 @@ class nodeRecords(semanageRecords):
self.commit()
def __modify(self, addr, mask, proto, serange, setype):
- if addr == "":
- raise ValueError(_("Node Address is required"))
-
- if mask == "":
- raise ValueError(_("Node Netmask is required"))
- if proto == "ipv4":
- proto = 0
- elif proto == "ipv6":
- proto = 1
- else:
- raise ValueError(_("Unknown or missing protocol"))
+ addr, mask, proto = self.validate(addr, mask, proto)
if serange == "" and setype == "":
raise ValueError(_("Requires setype or serange"))
@@ -1068,12 +1209,11 @@ class nodeRecords(semanageRecords):
if not exists:
raise ValueError(_("Addr %s is not defined") % addr)
- (rc, node) = semanage_node_query(self.sh, k)
+ (rc, node) = semanage_node_query_local(self.sh, k)
if rc < 0:
raise ValueError(_("Could not query addr %s") % addr)
con = semanage_node_get_con(node)
-
if serange != "":
semanage_context_set_mls(self.sh, con, untranslate(serange))
if setype != "":
@@ -1092,18 +1232,8 @@ class nodeRecords(semanageRecords):
self.commit()
def __delete(self, addr, mask, proto):
- if addr == "":
- raise ValueError(_("Node Address is required"))
-
- if mask == "":
- raise ValueError(_("Node Netmask is required"))
- if proto == "ipv4":
- proto = 0
- elif proto == "ipv6":
- proto = 1
- else:
- raise ValueError(_("Unknown or missing protocol"))
+ addr, mask, proto = self.validate(addr, mask, proto)
(rc, k) = semanage_node_key_create(self.sh, addr, mask, proto)
if rc < 0:
@@ -1132,6 +1262,16 @@ class nodeRecords(semanageRecords):
self.__delete(addr, mask, proto)
self.commit()
+ def deleteall(self):
+ (rc, nlist) = semanage_node_list_local(self.sh)
+ if rc < 0:
+ raise ValueError(_("Could not deleteall node mappings"))
+
+ self.begin()
+ for node in nlist:
+ self.__delete(semanage_node_get_addr(self.sh, node)[1], semanage_node_get_mask(self.sh, node)[1], self.protocol[semanage_node_get_proto(node)])
+ self.commit()
+
def get_all(self, locallist = 0):
ddict = {}
if locallist :
@@ -1145,15 +1285,20 @@ class nodeRecords(semanageRecords):
con = semanage_node_get_con(node)
addr = semanage_node_get_addr(self.sh, node)
mask = semanage_node_get_mask(self.sh, node)
- proto = semanage_node_get_proto(node)
- if proto == 0:
- proto = "ipv4"
- elif proto == 1:
- proto = "ipv6"
+ proto = self.protocol[semanage_node_get_proto(node)]
ddict[(addr[1], mask[1], proto)] = (semanage_context_get_user(con), semanage_context_get_role(con), semanage_context_get_type(con), semanage_context_get_mls(con))
return ddict
+ def customized(self):
+ l = []
+ ddict = self.get_all(True)
+ keys = ddict.keys()
+ keys.sort()
+ for k in keys:
+ l.append("-a -M %s -p %s -t %s %s" % (k[1], k[2],ddict[k][2], k[0]))
+ return l
+
def list(self, heading = 1, locallist = 0):
if heading:
print "%-18s %-18s %-5s %-5s\n" % ("IP Address", "Netmask", "Protocol", "Context")
@@ -1193,7 +1338,8 @@ class interfaceRecords(semanageRecords):
if rc < 0:
raise ValueError(_("Could not check if interface %s is defined") % interface)
if exists:
- raise ValueError(_("Interface %s already defined") % interface)
+ semanage_iface_key_free(k)
+ return self.__modify(interface, serange, ctype)
(rc, iface) = semanage_iface_create(self.sh)
if rc < 0:
@@ -1307,6 +1453,16 @@ class interfaceRecords(semanageRecords):
self.__delete(interface)
self.commit()
+ def deleteall(self):
+ (rc, ulist) = semanage_iface_list_local(self.sh)
+ if rc < 0:
+ raise ValueError(_("Could not delete all interface mappings"))
+
+ self.begin()
+ for i in ulist:
+ self.__delete(semanage_iface_get_name(i))
+ self.commit()
+
def get_all(self, locallist = 0):
ddict = {}
if locallist:
@@ -1322,6 +1478,15 @@ class interfaceRecords(semanageRecords):
return ddict
+ def customized(self):
+ l = []
+ ddict = self.get_all(True)
+ keys = ddict.keys()
+ keys.sort()
+ for k in keys:
+ l.append("-a -t %s %s" % (ddict[k][2], k))
+ return l
+
def list(self, heading = 1, locallist = 0):
if heading:
print "%-30s %s\n" % (_("SELinux Interface"), _("Context"))
@@ -1338,6 +1503,48 @@ class interfaceRecords(semanageRecords):
class fcontextRecords(semanageRecords):
def __init__(self, store = ""):
semanageRecords.__init__(self, store)
+ self.equiv = {}
+ self.equal_ind = False
+ try:
+ fd = open(selinux.selinux_file_context_subs_path(), "r")
+ for i in fd.readlines():
+ src, dst = i.split()
+ self.equiv[src] = dst
+ fd.close()
+ except IOError:
+ pass
+
+ def commit(self):
+ if self.equal_ind:
+ subs_file = selinux.selinux_file_context_subs_path()
+ tmpfile = "%s.tmp" % subs_file
+ fd = open(tmpfile, "w")
+ for src in self.equiv.keys():
+ fd.write("%s %s\n" % (src, self.equiv[src]))
+ fd.close()
+ try:
+ os.chmod(tmpfile, os.stat(subs_file)[stat.ST_MODE])
+ except:
+ pass
+ os.rename(tmpfile,subs_file)
+ self.equal_ind = False
+ semanageRecords.commit(self)
+
+ def add_equal(self, src, dst):
+ self.begin()
+ if src in self.equiv.keys():
+ raise ValueError(_("Equivalence class for %s already exists") % src)
+ self.equiv[src] = dst
+ self.equal_ind = True
+ self.commit()
+
+ def modify_equal(self, src, dst):
+ self.begin()
+ if src not in self.equiv.keys():
+ raise ValueError(_("Equivalence class for %s does not exists") % src)
+ self.equiv[src] = dst
+ self.equal_ind = True
+ self.commit()
def createcon(self, target, seuser = "system_u"):
(rc, con) = semanage_context_create(self.sh)
@@ -1364,6 +1571,8 @@ class fcontextRecords(semanageRecords):
def validate(self, target):
if target == "" or target.find("\n") >= 0:
raise ValueError(_("Invalid file specification"))
+ if target.find(" ") != -1:
+ raise ValueError(_("File specification can not include spaces"))
def __add(self, target, type, ftype = "", serange = "", seuser = "system_u"):
self.validate(target)
@@ -1388,7 +1597,8 @@ class fcontextRecords(semanageRecords):
raise ValueError(_("Could not check if file context for %s is defined") % target)
if exists:
- raise ValueError(_("File context for %s already defined") % target)
+ semanage_fcontext_key_free(k)
+ return self.__modify(target, type, ftype, serange, seuser)
(rc, fcontext) = semanage_fcontext_create(self.sh)
if rc < 0:
@@ -1504,9 +1714,16 @@ class fcontextRecords(semanageRecords):
raise ValueError(_("Could not delete the file context %s") % target)
semanage_fcontext_key_free(k)
+ self.equiv = {}
+ self.equal_ind = True
self.commit()
def __delete(self, target, ftype):
+ if target in self.equiv.keys():
+ self.equiv.pop(target)
+ self.equal_ind = True
+ return
+
(rc,k) = semanage_fcontext_key_create(self.sh, target, file_types[ftype])
if rc < 0:
raise ValueError(_("Could not create a key for %s") % target)
@@ -1561,12 +1778,22 @@ class fcontextRecords(semanageRecords):
return ddict
+ def customized(self):
+ l = []
+ fcon_dict = self.get_all(True)
+ keys = fcon_dict.keys()
+ keys.sort()
+ for k in keys:
+ if fcon_dict[k]:
+ l.append("-a -f '%s' -t %s '%s'" % (k[1], fcon_dict[k][2], k[0]))
+ return l
+
def list(self, heading = 1, locallist = 0 ):
- if heading:
- print "%-50s %-18s %s\n" % (_("SELinux fcontext"), _("type"), _("Context"))
fcon_dict = self.get_all(locallist)
keys = fcon_dict.keys()
keys.sort()
+ if len(keys) > 0 and heading:
+ print "%-50s %-18s %s\n" % (_("SELinux fcontext"), _("type"), _("Context"))
for k in keys:
if fcon_dict[k]:
if is_mls_enabled:
@@ -1575,6 +1802,12 @@ class fcontextRecords(semanageRecords):
print "%-50s %-18s %s:%s:%s " % (k[0], k[1], fcon_dict[k][0], fcon_dict[k][1],fcon_dict[k][2])
else:
print "%-50s %-18s <<None>>" % (k[0], k[1])
+ if len(self.equiv.keys()) > 0:
+ if heading:
+ print _("\nSELinux fcontext Equivalence \n")
+
+ for src in self.equiv.keys():
+ print "%s = %s" % (src, self.equiv[src])
class booleanRecords(semanageRecords):
def __init__(self, store = ""):
@@ -1587,6 +1820,18 @@ class booleanRecords(semanageRecords):
self.dict["1"] = 1
self.dict["0"] = 0
+ try:
+ rc, self.current_booleans = selinux.security_get_boolean_names()
+ rc, ptype = selinux.selinux_getpolicytype()
+ except:
+ self.current_booleans = []
+ ptype = None
+
+ if self.store == None or self.store == ptype:
+ self.modify_local = True
+ else:
+ self.modify_local = False
+
def __mod(self, name, value):
(rc, k) = semanage_bool_key_create(self.sh, name)
if rc < 0:
@@ -1606,9 +1851,10 @@ class booleanRecords(semanageRecords):
else:
raise ValueError(_("You must specify one of the following values: %s") % ", ".join(self.dict.keys()) )
- rc = semanage_bool_set_active(self.sh, k, b)
- if rc < 0:
- raise ValueError(_("Could not set active value of boolean %s") % name)
+ if self.modify_local and name in self.current_booleans:
+ rc = semanage_bool_set_active(self.sh, k, b)
+ if rc < 0:
+ raise ValueError(_("Could not set active value of boolean %s") % name)
rc = semanage_bool_modify_local(self.sh, k, b)
if rc < 0:
raise ValueError(_("Could not modify boolean %s") % name)
@@ -1691,8 +1937,12 @@ class booleanRecords(semanageRecords):
value = []
name = semanage_bool_get_name(boolean)
value.append(semanage_bool_get_value(boolean))
- value.append(selinux.security_get_boolean_pending(name))
- value.append(selinux.security_get_boolean_active(name))
+ if self.modify_local and boolean in self.current_booleans:
+ value.append(selinux.security_get_boolean_pending(name))
+ value.append(selinux.security_get_boolean_active(name))
+ else:
+ value.append(value[0])
+ value.append(value[0])
ddict[name] = value
return ddict
@@ -1706,6 +1956,16 @@ class booleanRecords(semanageRecords):
else:
return _("unknown")
+ def customized(self):
+ l = []
+ ddict = self.get_all(True)
+ keys = ddict.keys()
+ keys.sort()
+ for k in keys:
+ if ddict[k]:
+ l.append("-%s %s" % (ddict[k][2], k))
+ return l
+
def list(self, heading = True, locallist = False, use_file = False):
on_off = (_("off"), _("on"))
if use_file:
diff --git a/policycoreutils/sepolgen-ifgen/Makefile b/policycoreutils/sepolgen-ifgen/Makefile
new file mode 100644
index 0000000..211580d
--- /dev/null
+++ b/policycoreutils/sepolgen-ifgen/Makefile
@@ -0,0 +1,25 @@
+# Installation directories.
+PREFIX ?= ${DESTDIR}/usr
+BINDIR ?= $(PREFIX)/bin
+LIBDIR ?= ${PREFIX}/lib
+INCLUDEDIR ?= $(PREFIX)/include
+
+CFLAGS ?= -Wall -W
+override CFLAGS += -I$(INCLUDEDIR)
+LDLIBS = $(LIBDIR)/libsepol.a
+
+all: sepolgen-ifgen-attr-helper
+
+sepolgen-ifgen-attr-helper: sepolgen-ifgen-attr-helper.o
+
+install: all
+ -mkdir -p $(BINDIR)
+ install -m 755 sepolgen-ifgen-attr-helper $(BINDIR)
+
+clean:
+ rm -f *~ *.o sepolgen-ifgen-attr-helper
+
+indent:
+ ../../scripts/Lindent $(wildcard *.[ch])
+
+relabel: ;
diff --git a/policycoreutils/sepolgen-ifgen/sepolgen-ifgen-attr-helper.c b/policycoreutils/sepolgen-ifgen/sepolgen-ifgen-attr-helper.c
new file mode 100644
index 0000000..8f5c8e0
--- /dev/null
+++ b/policycoreutils/sepolgen-ifgen/sepolgen-ifgen-attr-helper.c
@@ -0,0 +1,233 @@
+/* Authors: Frank Mayer <mayerf@tresys.com>
+ * and Karl MacMillan <kmacmillan@tresys.com>
+ *
+ * Copyright (C) 2003,2010 Tresys Technology, LLC
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2.
+ *
+ * Adapted from dispol.c.
+ *
+ * This program is used by sepolgen-ifgen to get the access for all of
+ * the attributes in the policy so that it can resolve the
+ * typeattribute statements in the interfaces.
+ *
+ * It outputs the attribute access in a similar format to what sepolgen
+ * uses to store interface vectors:
+ * [Attribute sandbox_x_domain]
+ * sandbox_x_domain,samba_var_t,file,ioctl,read,getattr,lock,open
+ * sandbox_x_domain,samba_var_t,dir,getattr,search,open
+ * sandbox_x_domain,initrc_var_run_t,file,ioctl,read,getattr,lock,open
+ *
+ */
+
+#include <sepol/policydb/policydb.h>
+#include <sepol/policydb/avtab.h>
+#include <sepol/policydb/util.h>
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+struct val_to_name {
+ unsigned int val;
+ char *name;
+};
+
+static int perm_name(hashtab_key_t key, hashtab_datum_t datum, void *data)
+{
+ struct val_to_name *v = data;
+ perm_datum_t *perdatum;
+
+ perdatum = (perm_datum_t *) datum;
+
+ if (v->val == perdatum->s.value) {
+ v->name = key;
+ return 1;
+ }
+
+ return 0;
+}
+
+int render_access_mask(uint32_t av, avtab_key_t *key, policydb_t *policydbp,
+ FILE *fp)
+{
+ struct val_to_name v;
+ class_datum_t *cladatum;
+ char *perm = NULL;
+ unsigned int i;
+ int rc;
+ uint32_t tclass = key->target_class;
+
+ cladatum = policydbp->class_val_to_struct[tclass - 1];
+ for (i = 0; i < cladatum->permissions.nprim; i++) {
+ if (av & (1 << i)) {
+ v.val = i + 1;
+ rc = hashtab_map(cladatum->permissions.table,
+ perm_name, &v);
+ if (!rc && cladatum->comdatum) {
+ rc = hashtab_map(cladatum->comdatum->
+ permissions.table, perm_name,
+ &v);
+ }
+ if (rc)
+ perm = v.name;
+ if (perm) {
+ fprintf(fp, ",%s", perm);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int render_key(avtab_key_t *key, policydb_t *p, FILE *fp)
+{
+ char *stype, *ttype, *tclass;
+ stype = p->p_type_val_to_name[key->source_type - 1];
+ ttype = p->p_type_val_to_name[key->target_type - 1];
+ tclass = p->p_class_val_to_name[key->target_class - 1];
+ if (stype && ttype) {
+ fprintf(fp, "%s,%s,%s", stype, ttype, tclass);
+ } else {
+ fprintf(stderr, "error rendering key\n");
+ exit(1);
+ }
+
+ return 0;
+}
+
+struct callback_data
+{
+ uint32_t attr;
+ policydb_t *policy;
+ FILE *fp;
+};
+
+int output_avrule(avtab_key_t *key, avtab_datum_t *datum, void *args)
+{
+ struct callback_data *cb_data = (struct callback_data *)args;
+
+ if (key->source_type != cb_data->attr)
+ return 0;
+
+ if (!(key->specified & AVTAB_AV && key->specified & AVTAB_ALLOWED))
+ return 0;
+
+ render_key(key, cb_data->policy, cb_data->fp);
+ render_access_mask(datum->data, key, cb_data->policy, cb_data->fp);
+ fprintf(cb_data->fp, "\n");
+
+ return 0;
+}
+
+static int attribute_callback(hashtab_key_t key, hashtab_datum_t datum, void *datap)
+{
+ struct callback_data *cb_data = (struct callback_data *)datap;
+ type_datum_t *t = (type_datum_t *)datum;
+
+ if (t->flavor == TYPE_ATTRIB) {
+ fprintf(cb_data->fp, "[Attribute %s]\n", key);
+ cb_data->attr = t->s.value;
+ if (avtab_map(&cb_data->policy->te_avtab, output_avrule, cb_data) < 0)
+ return -1;
+ if (avtab_map(&cb_data->policy->te_cond_avtab, output_avrule, cb_data) < 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+static policydb_t *load_policy(const char *filename)
+{
+ policydb_t *policydb;
+ struct policy_file pf;
+ FILE *fp;
+ int ret;
+
+ fp = fopen(filename, "r");
+ if (fp == NULL) {
+ fprintf(stderr, "Can't open '%s': %s\n",
+ filename, strerror(errno));
+ return NULL;
+ }
+
+ policy_file_init(&pf);
+ pf.type = PF_USE_STDIO;
+ pf.fp = fp;
+
+ policydb = malloc(sizeof(policydb_t));
+ if (policydb == NULL) {
+ fprintf(stderr, "Out of memory!\n");
+ return NULL;
+ }
+
+ if (policydb_init(policydb)) {
+ fprintf(stderr, "Out of memory!\n");
+ free(policydb);
+ return NULL;
+ }
+
+ ret = policydb_read(policydb, &pf, 1);
+ if (ret) {
+ fprintf(stderr,
+ "error(s) encountered while parsing configuration\n");
+ free(policydb);
+ return NULL;
+ }
+
+ fclose(fp);
+
+ return policydb;
+
+}
+
+void usage(char *progname)
+{
+ printf("usage: %s policy_file out_file\n", progname);
+}
+
+int main(int argc, char **argv)
+{
+ policydb_t *p;
+ struct callback_data cb_data;
+ FILE *fp;
+
+ if (argc != 3) {
+ usage(argv[0]);
+ return -1;
+ }
+
+ /* Open the policy. */
+ p = load_policy(argv[1]);
+ if (p == NULL) {
+ return -1;
+ }
+
+ /* Open the output policy. */
+ fp = fopen(argv[2], "w");
+ if (fp == NULL) {
+ fprintf(stderr, "error opening output file\n");
+ policydb_destroy(p);
+ free(p);
+ return -1;
+ }
+
+ /* Find all of the attributes and output their access. */
+ cb_data.policy = p;
+ cb_data.fp = fp;
+
+ if (hashtab_map(p->p_types.table, attribute_callback, &cb_data)) {
+ printf("error finding attributes\n");
+ }
+
+ policydb_destroy(p);
+ free(p);
+ fclose(fp);
+
+ return 0;
+}
diff --git a/policycoreutils/setfiles/restore.c b/policycoreutils/setfiles/restore.c
index b649d8f..38416d8 100644
--- a/policycoreutils/setfiles/restore.c
+++ b/policycoreutils/setfiles/restore.c
@@ -1,4 +1,5 @@
#include "restore.h"
+#include <glob.h>
#define SKIP -2
#define ERR -1
@@ -31,7 +32,6 @@ struct edir {
static file_spec_t *fl_head;
-static int exclude(const char *file);
static int filespec_add(ino_t ino, const security_context_t con, const char *file);
static int only_changed_user(const char *a, const char *b);
struct restore_opts *r_opts = NULL;
@@ -53,7 +53,6 @@ void remove_exclude(const char *directory)
}
}
return;
-
}
void restore_init(struct restore_opts *opts)
@@ -300,8 +299,14 @@ static int process_one(char *name, int recurse_this_path)
int rc = 0;
const char *namelist[2] = {name, NULL};
dev_t dev_num = 0;
- FTS *fts_handle;
- FTSENT *ftsent;
+ FTS *fts_handle = NULL;
+ FTSENT *ftsent = NULL;
+
+ if (r_opts == NULL){
+ fprintf(stderr,
+ "Must call initialize first!");
+ goto err;
+ }
fts_handle = fts_open((char **)namelist, r_opts->fts_flags, NULL);
if (fts_handle == NULL) {
@@ -357,11 +362,34 @@ err:
goto out;
}
+int process_glob(char *name, int recurse) {
+ glob_t globbuf;
+ size_t i = 0;
+ int errors = 0;
+ memset(&globbuf, 0, sizeof(globbuf));
+ globbuf.gl_offs = 0;
+ if (glob(name,
+ GLOB_TILDE | GLOB_PERIOD,
+ NULL,
+ &globbuf) >= 0) {
+ for (i = 0; i < globbuf.gl_pathc; i++) {
+ int len = strlen(globbuf.gl_pathv[i]) -2;
+ if (len > 0 && strcmp(&globbuf.gl_pathv[i][len--], "/.") == 0) continue;
+ if (len > 0 && strcmp(&globbuf.gl_pathv[i][len], "/..") == 0) continue;
+ errors |= process_one_realpath(globbuf.gl_pathv[i], recurse) < 0;
+ }
+ globfree(&globbuf);
+ }
+ else
+ errors |= process_one_realpath(name, recurse) < 0;
+ return errors;
+}
+
int process_one_realpath(char *name, int recurse)
{
int rc = 0;
char *p;
- struct stat sb;
+ struct stat64 sb;
if (r_opts == NULL){
fprintf(stderr,
@@ -372,8 +400,9 @@ int process_one_realpath(char *name, int recurse)
if (!r_opts->expand_realpath) {
return process_one(name, recurse);
} else {
- rc = lstat(name, &sb);
+ rc = lstat64(name, &sb);
if (rc < 0) {
+ if (r_opts->ignore_enoent && errno == ENOENT) return 0;
fprintf(stderr, "%s: lstat(%s) failed: %s\n",
r_opts->progname, name, strerror(errno));
return -1;
@@ -409,7 +438,7 @@ int process_one_realpath(char *name, int recurse)
}
}
-static int exclude(const char *file)
+int exclude(const char *file)
{
int i = 0;
for (i = 0; i < excludeCtr; i++) {
@@ -537,7 +566,7 @@ static int filespec_add(ino_t ino, const security_context_t con, const char *fil
{
file_spec_t *prevfl, *fl;
int h, ret;
- struct stat sb;
+ struct stat64 sb;
if (!fl_head) {
fl_head = malloc(sizeof(file_spec_t) * HASH_BUCKETS);
@@ -550,7 +579,7 @@ static int filespec_add(ino_t ino, const security_context_t con, const char *fil
for (prevfl = &fl_head[h], fl = fl_head[h].next; fl;
prevfl = fl, fl = fl->next) {
if (ino == fl->ino) {
- ret = lstat(fl->file, &sb);
+ ret = lstat64(fl->file, &sb);
if (ret < 0 || sb.st_ino != ino) {
freecon(fl->con);
free(fl->file);
@@ -602,5 +631,67 @@ static int filespec_add(ino_t ino, const security_context_t con, const char *fil
return -1;
}
+#include <sys/utsname.h>
+/*
+ Search /proc/mounts for all file systems that do not support extended
+ attributes and add them to the exclude directory table. File systems
+ that support security labels have the seclabel option.
+*/
+void exclude_non_seclabel_mounts()
+{
+ struct utsname uts;
+ FILE *fp;
+ size_t len;
+ ssize_t num;
+ int index = 0, found = 0;
+ char *mount_info[4];
+ char *buf = NULL, *item;
+
+ /* Check to see if the kernel supports seclabel */
+ if (uname(&uts) == 0 && strverscmp(uts.release, "2.6.30") < 0)
+ return;
+ if (is_selinux_enabled() <= 0)
+ return;
+
+ fp = fopen("/proc/mounts", "r");
+ if (!fp)
+ return;
+
+ while ((num = getline(&buf, &len, fp)) != -1) {
+ found = 0;
+ index = 0;
+ item = strtok(buf, " ");
+ while (item != NULL) {
+ mount_info[index] = item;
+ if (index == 3)
+ break;
+ index++;
+ item = strtok(NULL, " ");
+ }
+ if (index < 3) {
+ fprintf(stderr,
+ "/proc/mounts record \"%s\" has incorrect format.\n",
+ buf);
+ continue;
+ }
+ /* remove pre-existing entry */
+ remove_exclude(mount_info[1]);
+
+ item = strtok(mount_info[3], ",");
+ while (item != NULL) {
+ if (strcmp(item, "seclabel") == 0) {
+ found = 1;
+ break;
+ }
+ item = strtok(NULL, ",");
+ }
+
+ /* exclude mount points without the seclabel option */
+ if (!found)
+ add_exclude(mount_info[1]);
+ }
+
+ free(buf);
+}
diff --git a/policycoreutils/setfiles/restore.h b/policycoreutils/setfiles/restore.h
index 03b82e8..8b50ff8 100644
--- a/policycoreutils/setfiles/restore.h
+++ b/policycoreutils/setfiles/restore.h
@@ -27,6 +27,7 @@ struct restore_opts {
int hard_links;
int verbose;
int logging;
+ int ignore_enoent;
char *rootpath;
int rootpathlen;
char *progname;
@@ -44,7 +45,10 @@ struct restore_opts {
void restore_init(struct restore_opts *opts);
void restore_finish();
int add_exclude(const char *directory);
+int exclude(const char *path);
void remove_exclude(const char *directory);
int process_one_realpath(char *name, int recurse);
+int process_glob(char *name, int recurse);
+void exclude_non_seclabel_mounts();
#endif
diff --git a/policycoreutils/setfiles/restorecon.8 b/policycoreutils/setfiles/restorecon.8
index 1eb6a43..c8ea4bb 100644
--- a/policycoreutils/setfiles/restorecon.8
+++ b/policycoreutils/setfiles/restorecon.8
@@ -4,10 +4,10 @@ restorecon \- restore file(s) default SELinux security contexts.
.SH "SYNOPSIS"
.B restorecon
-.I [\-o outfilename ] [\-R] [\-n] [\-v] [\-e directory ] pathname...
+.I [\-o outfilename ] [\-R] [\-n] [\-p] [\-v] [\-e directory ] pathname...
.P
.B restorecon
-.I \-f infilename [\-o outfilename ] [\-e directory ] [\-R] [\-n] [\-v] [\-F]
+.I \-f infilename [\-o outfilename ] [\-e directory ] [\-R] [\-n] [\-p] [\-v] [\-F]
.SH "DESCRIPTION"
This manual page describes the
@@ -40,6 +40,9 @@ don't change any file labels.
.TP
.B \-o outfilename
save list of files with incorrect context in outfilename.
+.TP
+.B \-p
+show progress by printing * every 1000 files.
.TP
.B \-v
show changes in file labels.
diff --git a/policycoreutils/setfiles/setfiles.8 b/policycoreutils/setfiles/setfiles.8
index ac68b94..7f700ca 100644
--- a/policycoreutils/setfiles/setfiles.8
+++ b/policycoreutils/setfiles/setfiles.8
@@ -10,7 +10,7 @@ This manual page describes the
.BR setfiles
program.
.P
-This program is primarily used to initialise the security context
+This program is primarily used to initialize the security context
database (extended attributes) on one or more filesystems. This
program is initially run as part of the SE Linux installation process.
.P
@@ -31,6 +31,9 @@ log changes in file labels to syslog.
.TP
.B \-n
don't change any file labels.
+.TP
+.B \-p
+show progress by printing * every 1000 files.
.TP
.B \-q
suppress non-error output.
diff --git a/policycoreutils/setfiles/setfiles.c b/policycoreutils/setfiles/setfiles.c
index 8f4f663..b0a7e09 100644
--- a/policycoreutils/setfiles/setfiles.c
+++ b/policycoreutils/setfiles/setfiles.c
@@ -5,7 +5,6 @@
#include <ctype.h>
#include <regex.h>
#include <sys/vfs.h>
-#include <sys/utsname.h>
#define __USE_XOPEN_EXTENDED 1 /* nftw */
#include <libgen.h>
#ifdef USE_AUDIT
@@ -25,7 +24,6 @@ static char *policyfile = NULL;
static int warn_no_match = 0;
static int null_terminated = 0;
static int errors;
-static int ignore_enoent;
static struct restore_opts r_opts;
#define STAT_BLOCK_SIZE 1
@@ -44,13 +42,13 @@ void usage(const char *const name)
{
if (iamrestorecon) {
fprintf(stderr,
- "usage: %s [-iFnrRv0] [-e excludedir ] [-o filename ] [-f filename | pathname... ]\n",
+ "usage: %s [-iFnprRv0] [-e excludedir ] [-o filename ] [-f filename | pathname... ]\n",
name);
} else {
fprintf(stderr,
"usage: %s [-dnpqvW] [-o filename] [-r alt_root_path ] spec_file pathname...\n"
"usage: %s -c policyfile spec_file\n"
- "usage: %s -s [-dnqvW] [-o filename ] spec_file\n", name, name,
+ "usage: %s -s [-dnpqvW] [-o filename ] spec_file\n", name, name,
name);
}
exit(1);
@@ -138,69 +136,6 @@ static void maybe_audit_mass_relabel(void)
#endif
}
-/*
- Search /proc/mounts for all file systems that do not support extended
- attributes and add them to the exclude directory table. File systems
- that support security labels have the seclabel option.
-*/
-static void exclude_non_seclabel_mounts()
-{
- struct utsname uts;
- FILE *fp;
- size_t len;
- ssize_t num;
- int index = 0, found = 0;
- char *mount_info[4];
- char *buf = NULL, *item;
-
- /* Check to see if the kernel supports seclabel */
- if (uname(&uts) == 0 && strverscmp(uts.release, "2.6.30") < 0)
- return;
- if (is_selinux_enabled() <= 0)
- return;
-
- fp = fopen("/proc/mounts", "r");
- if (!fp)
- return;
-
- while ((num = getline(&buf, &len, fp)) != -1) {
- found = 0;
- index = 0;
- item = strtok(buf, " ");
- while (item != NULL) {
- mount_info[index] = item;
- if (index == 3)
- break;
- index++;
- item = strtok(NULL, " ");
- }
- if (index < 3) {
- fprintf(stderr,
- "/proc/mounts record \"%s\" has incorrect format.\n",
- buf);
- continue;
- }
-
- /* remove pre-existing entry */
- remove_exclude(mount_info[1]);
-
- item = strtok(mount_info[3], ",");
- while (item != NULL) {
- if (strcmp(item, "seclabel") == 0) {
- found = 1;
- break;
- }
- item = strtok(NULL, ",");
- }
-
- /* exclude mount points without the seclabel option */
- if (!found)
- add_exclude(mount_info[1]);
- }
-
- free(buf);
-}
-
int main(int argc, char **argv)
{
struct stat sb;
@@ -335,7 +270,7 @@ int main(int argc, char **argv)
r_opts.debug = 1;
break;
case 'i':
- ignore_enoent = 1;
+ r_opts.ignore_enoent = 1;
break;
case 'l':
r_opts.logging = 1;
@@ -371,7 +306,7 @@ int main(int argc, char **argv)
break;
}
if (optind + 1 >= argc) {
- fprintf(stderr, "usage: %s -r r_opts.rootpath\n",
+ fprintf(stderr, "usage: %s -r rootpath\n",
argv[0]);
exit(1);
}
@@ -475,7 +410,7 @@ int main(int argc, char **argv)
buf[len - 1] = 0;
if (!strcmp(buf, "/"))
mass_relabel = 1;
- errors |= process_one_realpath(buf, recurse) < 0;
+ errors |= process_glob(buf, recurse) < 0;
}
if (strcmp(input_filename, "-") != 0)
fclose(f);
@@ -483,7 +418,8 @@ int main(int argc, char **argv)
for (i = optind; i < argc; i++) {
if (!strcmp(argv[i], "/"))
mass_relabel = 1;
- errors |= process_one_realpath(argv[i], recurse) < 0;
+
+ errors |= process_glob(argv[i], recurse) < 0;
}
}
diff --git a/policycoreutils/setsebool/setsebool.8 b/policycoreutils/setsebool/setsebool.8
index 4b13387..2b66bad 100644
--- a/policycoreutils/setsebool/setsebool.8
+++ b/policycoreutils/setsebool/setsebool.8
@@ -16,7 +16,7 @@ affected; the boot-time default settings
are not changed.
If the -P option is given, all pending values are written to
-the policy file on disk. So they will be persistant across reboots.
+the policy file on disk. So they will be persistent across reboots.
.SH AUTHOR
This manual page was written by Dan Walsh <dwalsh@redhat.com>.
diff --git a/policycoreutils/setsebool/setsebool.c b/policycoreutils/setsebool/setsebool.c
index dc037dd..d6c041b 100644
--- a/policycoreutils/setsebool/setsebool.c
+++ b/policycoreutils/setsebool/setsebool.c
@@ -82,8 +82,13 @@ static int selinux_set_boolean_list(size_t boolcnt,
if (errno == ENOENT)
fprintf(stderr, "Could not change active booleans: "
"Invalid boolean\n");
- else if (errno)
- perror("Could not change active booleans");
+ else if (errno) {
+ if (getuid() == 0) {
+ perror("Could not change active booleans");
+ } else {
+ perror("Could not change active booleans. Please try as root");
+ }
+ }
return -1;
}
@@ -115,8 +120,13 @@ static int semanage_set_boolean_list(size_t boolcnt,
goto err;
} else if (managed == 0) {
- fprintf(stderr,
- "Cannot set persistent booleans without managed policy.\n");
+ if (getuid() == 0) {
+ fprintf(stderr,
+ "Cannot set persistent booleans without managed policy.\n");
+ } else {
+ fprintf(stderr,
+ "Cannot set persistent booleans, please try as root.\n");
+ }
goto err;
}