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New variables 'net_default_*' to determine MAC/IP of default interface.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-05-07 12:05:36 +02:00
parent 43fe02cbaf
commit 2aa072d76a
3 changed files with 75 additions and 1 deletions
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69
grub-core/net/net.c
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@ -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