vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Retrieve DNS names from DHCP/BOOTP

Browse source
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-12-16 17:37:47 +01:00
parent f0f4253cd2
commit aa7d205236
3 changed files with 37 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

27
grub-core/net/bootp.c
View file

@ -68,18 +68,18 @@ parse_dhcp_vendor (const char *name, void *vend, int limit)
tagtype = *ptr++;
/* Pad tag. */
if (tagtype == 0)
if (tagtype == GRUB_NET_BOOTP_PAD)
continue;
/* End tag. */
if (tagtype == 0xff)
if (tagtype == GRUB_NET_BOOTP_END)
return;
taglength = *ptr++;
switch (tagtype)
{
case 3:
case GRUB_NET_BOOTP_ROUTER:
if (taglength == 4)
{
grub_net_network_level_netaddress_t target;
@ -95,19 +95,32 @@ parse_dhcp_vendor (const char *name, void *vend, int limit)
grub_net_add_route_gw (rname, target, gw);
}
break;
case 12:
case GRUB_NET_BOOTP_DNS:
{
int i;
for (i = 0; i < taglength / 4; i++)
{
struct grub_net_network_level_address s;
s.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
s.ipv4 = grub_get_unaligned32 (ptr);
grub_net_add_dns_server (&s);
ptr += 4;
}
}
break;
case GRUB_NET_BOOTP_HOSTNAME:
set_env_limn_ro (name, "hostname", (char *) ptr, taglength);
break;
case 15:
case GRUB_NET_BOOTP_DOMAIN:
set_env_limn_ro (name, "domain", (char *) ptr, taglength);
break;
case 17:
case GRUB_NET_BOOTP_ROOT_PATH:
set_env_limn_ro (name, "rootpath", (char *) ptr, taglength);
break;
case 18:
case GRUB_NET_BOOTP_EXTENSIONS_PATH:
set_env_limn_ro (name, "extensionspath", (char *) ptr, taglength);
break;