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From 95329b0fbbbd6c7258c275a27ed904bdae11caad Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Tue, 7 May 2013 12:05:36 +0200
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Subject: [PATCH 437/482] New variables 'net_default_*' to determine
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MAC/IP of default interface.
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---
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ChangeLog | 4 +++
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grub-core/net/bootp.c | 3 +++
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grub-core/net/net.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++-
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3 files changed, 75 insertions(+), 1 deletion(-)
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diff --git a/ChangeLog b/ChangeLog
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index 67b4c6f..cbd5d97 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,9 @@
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2013-05-07 Vladimir Serbinenko <phcoder@gmail.com>
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+ New variables 'net_default_*' to determine MAC/IP of default interface.
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+
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+2013-05-07 Vladimir Serbinenko <phcoder@gmail.com>
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+
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* tests/gettext_strings_test.in: A test to check for strings not
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marked for translation.
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diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
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index 33f860a..c8ef4d6 100644
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--- a/grub-core/net/bootp.c
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+++ b/grub-core/net/bootp.c
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@@ -211,6 +211,9 @@ grub_net_configure_by_dhcp_ack (const char *name,
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grub_print_error ();
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}
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+ if (is_def)
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+ grub_env_set ("net_default_interface", name);
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+
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if (device && !*device && bp->server_ip)
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{
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*device = grub_xasprintf ("tftp,%d.%d.%d.%d",
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diff --git a/grub-core/net/net.c b/grub-core/net/net.c
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index aebbe4b..8ea6906 100644
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--- a/grub-core/net/net.c
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+++ b/grub-core/net/net.c
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@@ -1,6 +1,6 @@
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/*
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* GRUB -- GRand Unified Bootloader
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- * Copyright (C) 2010,2011 Free Software Foundation, Inc.
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+ * Copyright (C) 2010,2011,2012,2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -813,6 +813,69 @@ defserver_get_env (struct grub_env_var *var __attribute__ ((unused)),
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return grub_net_default_server ? : "";
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}
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+static const char *
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+defip_get_env (struct grub_env_var *var __attribute__ ((unused)),
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+ const char *val __attribute__ ((unused)))
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+{
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+ const char *intf = grub_env_get ("net_default_interface");
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+ const char *ret = NULL;
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+ if (intf)
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+ {
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+ char *buf = grub_xasprintf ("net_%s_ip", intf);
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+ if (buf)
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+ ret = grub_env_get (buf);
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+ grub_free (buf);
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+ }
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+ return ret;
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+}
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+
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+static char *
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+defip_set_env (struct grub_env_var *var __attribute__ ((unused)),
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+ const char *val)
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+{
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+ const char *intf = grub_env_get ("net_default_interface");
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+ if (intf)
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+ {
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+ char *buf = grub_xasprintf ("net_%s_ip", intf);
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+ if (buf)
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+ grub_env_set (buf, val);
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+ grub_free (buf);
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+ }
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+ return NULL;
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+}
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+
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+
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+static const char *
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+defmac_get_env (struct grub_env_var *var __attribute__ ((unused)),
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+ const char *val __attribute__ ((unused)))
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+{
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+ const char *intf = grub_env_get ("net_default_interface");
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+ const char *ret = NULL;
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+ if (intf)
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+ {
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+ char *buf = grub_xasprintf ("net_%s_mac", intf);
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+ if (buf)
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+ ret = grub_env_get (buf);
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+ grub_free (buf);
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+ }
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+ return ret;
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+}
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+
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+static char *
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+defmac_set_env (struct grub_env_var *var __attribute__ ((unused)),
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+ const char *val)
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+{
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+ const char *intf = grub_env_get ("net_default_interface");
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+ if (intf)
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+ {
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+ char *buf = grub_xasprintf ("net_%s_mac", intf);
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+ if (buf)
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+ grub_env_set (buf, val);
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+ grub_free (buf);
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+ }
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+ return NULL;
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+}
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+
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static void
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grub_net_network_level_interface_register (struct grub_net_network_level_interface *inter)
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@@ -1560,6 +1623,10 @@ GRUB_MOD_INIT(net)
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defserver_set_env);
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grub_register_variable_hook ("pxe_default_server", defserver_get_env,
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defserver_set_env);
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+ grub_register_variable_hook ("net_default_ip", defip_get_env,
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+ defip_set_env);
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+ grub_register_variable_hook ("net_default_mac", defmac_get_env,
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+ defmac_set_env);
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cmd_addaddr = grub_register_command ("net_add_addr", grub_cmd_addaddr,
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/* TRANSLATORS: HWADDRESS stands for
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--
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1.8.2.1
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