From d2f5eb3848747a696b94baf9bbc525d93dc0a81c Mon Sep 17 00:00:00 2001 From: Paulo Flabiano Smorigo Date: Tue, 4 Feb 2014 18:41:38 -0200 Subject: [PATCH 057/103] add grub_env_set_net_property function * grub-core/net/bootp.c: Remove set_env_limn_ro. * grub-core/net/net.c: Add grub_env_set_net_property. * include/grub/net.h: Likewise. --- ChangeLog | 8 +++++++ grub-core/net/bootp.c | 63 +++++++++++++-------------------------------------- grub-core/net/net.c | 38 +++++++++++++++++++++++++++++++ include/grub/net.h | 4 ++++ 4 files changed, 66 insertions(+), 47 deletions(-) diff --git a/ChangeLog b/ChangeLog index 2e0bdfc..f7338f4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2014-02-04 Paulo Flabiano Smorigo + + Add grub_env_set_net_property function. + + * grub-core/net/bootp.c: Remove set_env_limn_ro. + * grub-core/net/net.c: Add grub_env_set_net_property. + * include/grub/net.h: Likewise. + 2014-02-03 Vladimir Serbinenko * util/grub-mkrescue.c: Build fix for argp.h with older gcc. diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c index c14e9de..6310ed4 100644 --- a/grub-core/net/bootp.c +++ b/grub-core/net/bootp.c @@ -25,41 +25,6 @@ #include #include -static char * -grub_env_write_readonly (struct grub_env_var *var __attribute__ ((unused)), - const char *val __attribute__ ((unused))) -{ - return NULL; -} - -static void -set_env_limn_ro (const char *intername, const char *suffix, - const char *value, grub_size_t len) -{ - char *varname, *varvalue; - char *ptr; - varname = grub_xasprintf ("net_%s_%s", intername, suffix); - if (!varname) - return; - for (ptr = varname; *ptr; ptr++) - if (*ptr == ':') - *ptr = '_'; - varvalue = grub_malloc (len + 1); - if (!varvalue) - { - grub_free (varname); - return; - } - - grub_memcpy (varvalue, value, len); - varvalue[len] = 0; - grub_env_set (varname, varvalue); - grub_register_variable_hook (varname, 0, grub_env_write_readonly); - grub_env_export (varname); - grub_free (varname); - grub_free (varvalue); -} - static void parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask) { @@ -136,20 +101,24 @@ parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask) } continue; case GRUB_NET_BOOTP_HOSTNAME: - set_env_limn_ro (name, "hostname", (const char *) ptr, taglength); - break; + grub_env_set_net_property (name, "hostname", (const char *) ptr, + taglength); + break; case GRUB_NET_BOOTP_DOMAIN: - set_env_limn_ro (name, "domain", (const char *) ptr, taglength); - break; + grub_env_set_net_property (name, "domain", (const char *) ptr, + taglength); + break; case GRUB_NET_BOOTP_ROOT_PATH: - set_env_limn_ro (name, "rootpath", (const char *) ptr, taglength); - break; + grub_env_set_net_property (name, "rootpath", (const char *) ptr, + taglength); + break; case GRUB_NET_BOOTP_EXTENSIONS_PATH: - set_env_limn_ro (name, "extensionspath", (const char *) ptr, taglength); - break; + grub_env_set_net_property (name, "extensionspath", (const char *) ptr, + taglength); + break; /* If you need any other options please contact GRUB development team. */ @@ -211,8 +180,8 @@ grub_net_configure_by_dhcp_ack (const char *name, } if (size > OFFSET_OF (boot_file, bp)) - set_env_limn_ro (name, "boot_file", (char *) bp->boot_file, - sizeof (bp->boot_file)); + grub_env_set_net_property (name, "boot_file", bp->boot_file, + sizeof (bp->boot_file)); if (is_def) grub_net_default_server = 0; if (is_def && !grub_net_default_server && bp->server_ip) @@ -243,8 +212,8 @@ grub_net_configure_by_dhcp_ack (const char *name, if (size > OFFSET_OF (server_name, bp) && bp->server_name[0]) { - set_env_limn_ro (name, "dhcp_server_name", (char *) bp->server_name, - sizeof (bp->server_name)); + grub_env_set_net_property (name, "dhcp_server_name", bp->server_name, + sizeof (bp->server_name)); if (is_def && !grub_net_default_server) { grub_net_default_server = grub_strdup (bp->server_name); diff --git a/grub-core/net/net.c b/grub-core/net/net.c index 1521d8d..f2e723b 100644 --- a/grub-core/net/net.c +++ b/grub-core/net/net.c @@ -1480,6 +1480,44 @@ receive_packets (struct grub_net_card *card, int *stop_condition) grub_print_error (); } +static char * +grub_env_write_readonly (struct grub_env_var *var __attribute__ ((unused)), + const char *val __attribute__ ((unused))) +{ + return NULL; +} + +grub_err_t +grub_env_set_net_property (const char *intername, const char *suffix, + const char *value, grub_size_t len) +{ + char *varname, *varvalue; + char *ptr; + + varname = grub_xasprintf ("net_%s_%s", intername, suffix); + if (!varname) + return grub_errno; + for (ptr = varname; *ptr; ptr++) + if (*ptr == ':') + *ptr = '_'; + varvalue = grub_malloc (len + 1); + if (!varvalue) + { + grub_free (varname); + return grub_errno; + } + + grub_memcpy (varvalue, value, len); + varvalue[len] = 0; + grub_err_t ret = grub_env_set (varname, varvalue); + grub_register_variable_hook (varname, 0, grub_env_write_readonly); + grub_env_export (varname); + grub_free (varname); + grub_free (varvalue); + + return ret; +} + void grub_net_poll_cards (unsigned time, int *stop_condition) { diff --git a/include/grub/net.h b/include/grub/net.h index 0e0a605..538baa3 100644 --- a/include/grub/net.h +++ b/include/grub/net.h @@ -480,6 +480,10 @@ grub_net_addr_to_str (const grub_net_network_level_address_t *target, void grub_net_hwaddr_to_str (const grub_net_link_level_address_t *addr, char *str); +grub_err_t +grub_env_set_net_property (const char *intername, const char *suffix, + const char *value, grub_size_t len); + void grub_net_poll_cards (unsigned time, int *stop_condition); -- 1.9.0