* grub-core/net/net.c (defserver_set_env): New function.

	(defserver_get_env): Likewise.
	(GRUB_MOD_INIT): Register net_default_server and pxe_default_server.

diff --git a/ChangeLog b/ChangeLog
index 4e45f31e13397666642c01ed39d36a67fddd76da..f3c42a0ef69f6e72267a2823ea17f22f90ace1d5 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-05-04  Vladimir Serbinenko  <phcoder@gmail.com>
+
+       * grub-core/net/net.c (defserver_set_env): New function.
+       (defserver_get_env): Likewise.
+       (GRUB_MOD_INIT): Register net_default_server and pxe_default_server.
+
 2012-05-03  Vladimir Serbinenko  <phcoder@gmail.com>
 
        * grub-core/kern/emu/hostdisk.c (read_device_map): Skip invalid Fedora

diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index 6dbb88edef1fcbbc8faa5af5057c25bce0d96ff0..940ff3fb9912dc9a066665d6d059a5ec39003c00 100644 (file)
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -797,6 +797,23 @@ addr_set_env (struct grub_env_var *var __attribute__ ((unused)),
   return NULL;
 }
 
+static char *
+defserver_set_env (struct grub_env_var *var __attribute__ ((unused)),
+                  const char *val)
+{
+  grub_free (grub_net_default_server);
+  grub_net_default_server = grub_strdup (val);
+  return grub_strdup (val);
+}
+
+static const char *
+defserver_get_env (struct grub_env_var *var __attribute__ ((unused)),
+                  const char *val __attribute__ ((unused)))
+{
+  return grub_net_default_server ? : "";
+}
+
+
 static void
 grub_net_network_level_interface_register (struct grub_net_network_level_interface *inter)
 {
@@ -1493,6 +1510,11 @@ static grub_command_t cmd_lsaddr, cmd_slaac;
 
 GRUB_MOD_INIT(net)
 {
+  grub_register_variable_hook ("net_default_server", defserver_get_env,
+                              defserver_set_env);
+  grub_register_variable_hook ("pxe_default_server", defserver_get_env,
+                              defserver_set_env);
+
   cmd_addaddr = grub_register_command ("net_add_addr", grub_cmd_addaddr,
                                        /* TRANSLATORS: HWADDRESS stands for
                                           "hardware address".  */
@@ -1531,6 +1553,9 @@ GRUB_MOD_INIT(net)
 
 GRUB_MOD_FINI(net)
 {
+  grub_register_variable_hook ("net_default_server", 0, 0);
+  grub_register_variable_hook ("pxe_default_server", 0, 0);
+
   grub_bootp_fini ();
   grub_dns_fini ();
   grub_unregister_command (cmd_addaddr);