grub2/0437-New-variables-net_default_-to-determine-MAC-IP-of-de.patch
2013-06-07 14:03:56 -04:00

137 lines
3.9 KiB
Diff

From 95329b0fbbbd6c7258c275a27ed904bdae11caad Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Tue, 7 May 2013 12:05:36 +0200
Subject: [PATCH 437/471] New variables 'net_default_*' to determine
MAC/IP of default interface.
---
ChangeLog | 4 +++
grub-core/net/bootp.c | 3 +++
grub-core/net/net.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++-
3 files changed, 75 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 67b4c6f..cbd5d97 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2013-05-07 Vladimir Serbinenko <phcoder@gmail.com>
+ New variables 'net_default_*' to determine MAC/IP of default interface.
+
+2013-05-07 Vladimir Serbinenko <phcoder@gmail.com>
+
* tests/gettext_strings_test.in: A test to check for strings not
marked for translation.
diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
index 33f860a..c8ef4d6 100644
--- a/grub-core/net/bootp.c
+++ b/grub-core/net/bootp.c
@@ -211,6 +211,9 @@ grub_net_configure_by_dhcp_ack (const char *name,
grub_print_error ();
}
+ if (is_def)
+ grub_env_set ("net_default_interface", name);
+
if (device && !*device && bp->server_ip)
{
*device = grub_xasprintf ("tftp,%d.%d.%d.%d",
diff --git a/grub-core/net/net.c b/grub-core/net/net.c
index aebbe4b..8ea6906 100644
--- a/grub-core/net/net.c
+++ b/grub-core/net/net.c
@@ -1,6 +1,6 @@
/*
* GRUB -- GRand Unified Bootloader
- * Copyright (C) 2010,2011 Free Software Foundation, Inc.
+ * Copyright (C) 2010,2011,2012,2013 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -813,6 +813,69 @@ defserver_get_env (struct grub_env_var *var __attribute__ ((unused)),
return grub_net_default_server ? : "";
}
+static const char *
+defip_get_env (struct grub_env_var *var __attribute__ ((unused)),
+ const char *val __attribute__ ((unused)))
+{
+ const char *intf = grub_env_get ("net_default_interface");
+ const char *ret = NULL;
+ if (intf)
+ {
+ char *buf = grub_xasprintf ("net_%s_ip", intf);
+ if (buf)
+ ret = grub_env_get (buf);
+ grub_free (buf);
+ }
+ return ret;
+}
+
+static char *
+defip_set_env (struct grub_env_var *var __attribute__ ((unused)),
+ const char *val)
+{
+ const char *intf = grub_env_get ("net_default_interface");
+ if (intf)
+ {
+ char *buf = grub_xasprintf ("net_%s_ip", intf);
+ if (buf)
+ grub_env_set (buf, val);
+ grub_free (buf);
+ }
+ return NULL;
+}
+
+
+static const char *
+defmac_get_env (struct grub_env_var *var __attribute__ ((unused)),
+ const char *val __attribute__ ((unused)))
+{
+ const char *intf = grub_env_get ("net_default_interface");
+ const char *ret = NULL;
+ if (intf)
+ {
+ char *buf = grub_xasprintf ("net_%s_mac", intf);
+ if (buf)
+ ret = grub_env_get (buf);
+ grub_free (buf);
+ }
+ return ret;
+}
+
+static char *
+defmac_set_env (struct grub_env_var *var __attribute__ ((unused)),
+ const char *val)
+{
+ const char *intf = grub_env_get ("net_default_interface");
+ if (intf)
+ {
+ char *buf = grub_xasprintf ("net_%s_mac", intf);
+ if (buf)
+ grub_env_set (buf, val);
+ grub_free (buf);
+ }
+ return NULL;
+}
+
static void
grub_net_network_level_interface_register (struct grub_net_network_level_interface *inter)
@@ -1560,6 +1623,10 @@ GRUB_MOD_INIT(net)
defserver_set_env);
grub_register_variable_hook ("pxe_default_server", defserver_get_env,
defserver_set_env);
+ grub_register_variable_hook ("net_default_ip", defip_get_env,
+ defip_set_env);
+ grub_register_variable_hook ("net_default_mac", defmac_get_env,
+ defmac_set_env);
cmd_addaddr = grub_register_command ("net_add_addr", grub_cmd_addaddr,
/* TRANSLATORS: HWADDRESS stands for
--
1.8.2.1