2010-03-03 19:09:48 +00:00
|
|
|
/*
|
|
|
|
* GRUB -- GRand Unified Bootloader
|
2011-06-26 15:06:18 +00:00
|
|
|
* Copyright (C) 2010,2011 Free Software Foundation, Inc.
|
2010-03-03 19:09:48 +00:00
|
|
|
*
|
|
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
|
2011-06-24 18:35:25 +00:00
|
|
|
#include <grub/net/udp.h>
|
2010-03-03 19:09:48 +00:00
|
|
|
#include <grub/net.h>
|
2011-04-01 08:22:41 +00:00
|
|
|
#include <grub/net/netbuff.h>
|
|
|
|
#include <grub/time.h>
|
|
|
|
#include <grub/file.h>
|
2010-03-03 19:09:48 +00:00
|
|
|
#include <grub/i18n.h>
|
|
|
|
#include <grub/mm.h>
|
2011-04-01 08:22:41 +00:00
|
|
|
#include <grub/misc.h>
|
2010-03-03 19:09:48 +00:00
|
|
|
#include <grub/dl.h>
|
|
|
|
#include <grub/command.h>
|
2010-09-02 18:00:56 +00:00
|
|
|
#include <grub/env.h>
|
2011-05-19 13:39:34 +00:00
|
|
|
#include <grub/net/ethernet.h>
|
2011-06-24 18:35:25 +00:00
|
|
|
#include <grub/datetime.h>
|
2010-03-03 19:09:48 +00:00
|
|
|
|
2011-05-12 18:40:54 +00:00
|
|
|
GRUB_MOD_LICENSE ("GPLv3+");
|
|
|
|
|
2011-06-26 15:06:18 +00:00
|
|
|
static char *default_server;
|
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
struct grub_net_route
|
|
|
|
{
|
|
|
|
struct grub_net_route *next;
|
|
|
|
grub_net_network_level_netaddress_t target;
|
|
|
|
char *name;
|
|
|
|
struct grub_net_network_level_protocol *prot;
|
|
|
|
int is_gateway;
|
|
|
|
union
|
|
|
|
{
|
|
|
|
struct grub_net_network_level_interface *interface;
|
|
|
|
grub_net_network_level_address_t gw;
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
2010-03-03 19:09:48 +00:00
|
|
|
struct grub_net_route *grub_net_routes = NULL;
|
|
|
|
struct grub_net_network_level_interface *grub_net_network_level_interfaces = NULL;
|
|
|
|
struct grub_net_card *grub_net_cards = NULL;
|
2011-04-01 08:22:41 +00:00
|
|
|
struct grub_net_card_driver *grub_net_card_drivers = NULL;
|
2010-03-03 19:09:48 +00:00
|
|
|
struct grub_net_network_level_protocol *grub_net_network_level_protocols = NULL;
|
2011-05-27 03:22:35 +00:00
|
|
|
static struct grub_fs grub_net_fs;
|
2010-03-03 19:09:48 +00:00
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
static inline void
|
|
|
|
grub_net_network_level_interface_unregister (struct grub_net_network_level_interface *inter)
|
|
|
|
{
|
2011-06-24 18:35:25 +00:00
|
|
|
*inter->prev = inter->next;
|
|
|
|
if (inter->next)
|
|
|
|
inter->next->prev = inter->prev;
|
|
|
|
inter->next = 0;
|
|
|
|
inter->prev = 0;
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grub_net_route_register (struct grub_net_route *route)
|
|
|
|
{
|
|
|
|
grub_list_push (GRUB_AS_LIST_P (&grub_net_routes),
|
|
|
|
GRUB_AS_LIST (route));
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grub_net_route_unregister (struct grub_net_route *route)
|
|
|
|
{
|
|
|
|
grub_list_remove (GRUB_AS_LIST_P (&grub_net_routes),
|
|
|
|
GRUB_AS_LIST (route));
|
|
|
|
}
|
|
|
|
|
|
|
|
#define FOR_NET_ROUTES(var) for (var = grub_net_routes; var; var = var->next)
|
|
|
|
|
|
|
|
static int
|
|
|
|
parse_ip (const char *val, grub_uint32_t *ip, const char **rest)
|
|
|
|
{
|
|
|
|
grub_uint32_t newip = 0;
|
|
|
|
unsigned long t;
|
|
|
|
int i;
|
|
|
|
const char *ptr = val;
|
|
|
|
|
|
|
|
for (i = 0; i < 4; i++)
|
|
|
|
{
|
|
|
|
t = grub_strtoul (ptr, (char **) &ptr, 0);
|
|
|
|
if (grub_errno)
|
|
|
|
{
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (t & ~0xff)
|
|
|
|
return 0;
|
|
|
|
newip >>= 8;
|
|
|
|
newip |= (t << 24);
|
|
|
|
if (i != 3 && *ptr != '.')
|
|
|
|
return 0;
|
|
|
|
ptr++;
|
|
|
|
}
|
2010-09-02 16:15:59 +00:00
|
|
|
*ip = grub_cpu_to_le32 (newip);
|
2010-09-02 15:18:02 +00:00
|
|
|
if (rest)
|
|
|
|
*rest = ptr - 1;
|
2010-09-22 22:45:39 +00:00
|
|
|
return 1;
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
match_net (const grub_net_network_level_netaddress_t *net,
|
|
|
|
const grub_net_network_level_address_t *addr)
|
|
|
|
{
|
|
|
|
if (net->type != addr->type)
|
|
|
|
return 0;
|
|
|
|
switch (net->type)
|
|
|
|
{
|
2011-06-24 18:35:25 +00:00
|
|
|
case GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC:
|
|
|
|
return 0;
|
2010-09-02 15:18:02 +00:00
|
|
|
case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
|
|
|
|
{
|
2011-04-01 08:14:16 +00:00
|
|
|
grub_int32_t mask = ((1 << net->ipv4.masksize) - 1) << (32 - net->ipv4.masksize);
|
2010-09-02 16:15:59 +00:00
|
|
|
return ((grub_be_to_cpu32 (net->ipv4.base) & mask)
|
|
|
|
== (grub_be_to_cpu32 (addr->ipv4) & mask));
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-03-03 19:09:48 +00:00
|
|
|
grub_err_t
|
2010-09-02 15:18:02 +00:00
|
|
|
grub_net_resolve_address (const char *name,
|
2010-03-03 19:09:48 +00:00
|
|
|
grub_net_network_level_address_t *addr)
|
|
|
|
{
|
2010-09-02 15:18:02 +00:00
|
|
|
if (parse_ip (name, &addr->ipv4, NULL))
|
2010-03-03 19:09:48 +00:00
|
|
|
{
|
2010-09-02 15:18:02 +00:00
|
|
|
addr->type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
return grub_error (GRUB_ERR_NET_BAD_ADDRESS, N_("unrecognised address %s"),
|
|
|
|
name);
|
|
|
|
}
|
|
|
|
|
|
|
|
grub_err_t
|
|
|
|
grub_net_resolve_net_address (const char *name,
|
|
|
|
grub_net_network_level_netaddress_t *addr)
|
|
|
|
{
|
|
|
|
const char *rest;
|
|
|
|
if (parse_ip (name, &addr->ipv4.base, &rest))
|
|
|
|
{
|
|
|
|
addr->type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
|
|
|
if (*rest == '/')
|
2010-03-03 19:09:48 +00:00
|
|
|
{
|
2010-09-02 15:18:02 +00:00
|
|
|
addr->ipv4.masksize = grub_strtoul (rest + 1, NULL, 0);
|
|
|
|
if (!grub_errno)
|
|
|
|
return GRUB_ERR_NONE;
|
2010-03-03 19:09:48 +00:00
|
|
|
}
|
2010-09-02 15:18:02 +00:00
|
|
|
addr->ipv4.masksize = 32;
|
2010-03-03 19:09:48 +00:00
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
2010-09-02 15:18:02 +00:00
|
|
|
return grub_error (GRUB_ERR_NET_BAD_ADDRESS, N_("unrecognised address %s"),
|
2010-03-03 19:09:48 +00:00
|
|
|
name);
|
|
|
|
}
|
|
|
|
|
|
|
|
grub_err_t
|
|
|
|
grub_net_route_address (grub_net_network_level_address_t addr,
|
|
|
|
grub_net_network_level_address_t *gateway,
|
|
|
|
struct grub_net_network_level_interface **interf)
|
|
|
|
{
|
|
|
|
struct grub_net_route *route;
|
|
|
|
int depth = 0;
|
|
|
|
int routecnt = 0;
|
|
|
|
struct grub_net_network_level_protocol *prot = NULL;
|
|
|
|
grub_net_network_level_address_t curtarget = addr;
|
|
|
|
|
|
|
|
*gateway = addr;
|
|
|
|
|
|
|
|
FOR_NET_ROUTES(route)
|
|
|
|
routecnt++;
|
|
|
|
|
|
|
|
for (depth = 0; depth < routecnt + 2; depth++)
|
|
|
|
{
|
|
|
|
FOR_NET_ROUTES(route)
|
|
|
|
{
|
|
|
|
if (depth && prot != route->prot)
|
|
|
|
continue;
|
2010-09-02 15:18:02 +00:00
|
|
|
if (!match_net (&route->target, &curtarget))
|
2010-03-03 19:09:48 +00:00
|
|
|
continue;
|
|
|
|
|
|
|
|
if (route->is_gateway)
|
|
|
|
{
|
|
|
|
if (depth == 0)
|
|
|
|
*gateway = route->gw;
|
|
|
|
curtarget = route->gw;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
*interf = route->interface;
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
if (route == NULL)
|
|
|
|
return grub_error (GRUB_ERR_NET_NO_ROUTE, "destination unreachable");
|
|
|
|
}
|
|
|
|
|
|
|
|
return grub_error (GRUB_ERR_NET_ROUTE_LOOP, "route loop detected");
|
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_deladdr (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct grub_net_network_level_interface *inter;
|
|
|
|
|
2011-05-10 12:28:45 +00:00
|
|
|
if (argc != 1)
|
2010-03-03 19:09:48 +00:00
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
|
|
|
|
|
|
|
|
FOR_NET_NETWORK_LEVEL_INTERFACES (inter)
|
2011-01-03 14:54:59 +00:00
|
|
|
if (grub_strcmp (inter->name, args[1]) == 0)
|
2010-03-03 19:09:48 +00:00
|
|
|
break;
|
|
|
|
if (inter == NULL)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("address not found"));
|
|
|
|
|
2010-09-02 18:00:56 +00:00
|
|
|
if (inter->flags & GRUB_NET_INTERFACE_PERMANENT)
|
|
|
|
return grub_error (GRUB_ERR_IO,
|
|
|
|
N_("you can't delete this address"));
|
|
|
|
|
2010-03-03 19:09:48 +00:00
|
|
|
grub_net_network_level_interface_unregister (inter);
|
|
|
|
grub_free (inter->name);
|
|
|
|
grub_free (inter);
|
|
|
|
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
2010-09-02 20:10:55 +00:00
|
|
|
void
|
|
|
|
grub_net_addr_to_str (const grub_net_network_level_address_t *target, char *buf)
|
2010-09-02 18:00:56 +00:00
|
|
|
{
|
|
|
|
switch (target->type)
|
|
|
|
{
|
2011-06-24 18:35:25 +00:00
|
|
|
case GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC:
|
|
|
|
grub_strcpy (buf, "promisc");
|
|
|
|
return;
|
2010-09-02 18:00:56 +00:00
|
|
|
case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
|
|
|
|
{
|
|
|
|
grub_uint32_t n = grub_be_to_cpu32 (target->ipv4);
|
2010-09-02 20:10:55 +00:00
|
|
|
grub_snprintf (buf, GRUB_NET_MAX_STR_ADDR_LEN, "%d.%d.%d.%d",
|
2010-09-02 18:00:56 +00:00
|
|
|
((n >> 24) & 0xff), ((n >> 16) & 0xff),
|
|
|
|
((n >> 8) & 0xff), ((n >> 0) & 0xff));
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
grub_printf ("Unknown address type %d\n", target->type);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
Currently suppoerted adresses:
|
|
|
|
ethernet: XX:XX:XX:XX:XX:XX
|
|
|
|
*/
|
|
|
|
|
|
|
|
#define MAX_STR_HWADDR_LEN (sizeof ("XX:XX:XX:XX:XX:XX"))
|
|
|
|
|
|
|
|
static void
|
|
|
|
hwaddr_to_str (const grub_net_link_level_address_t *addr, char *str)
|
|
|
|
{
|
|
|
|
str[0] = 0;
|
|
|
|
switch (addr->type)
|
|
|
|
{
|
|
|
|
case GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET:
|
|
|
|
{
|
|
|
|
char *ptr;
|
|
|
|
unsigned i;
|
|
|
|
for (ptr = str, i = 0; i < ARRAY_SIZE (addr->mac); i++)
|
|
|
|
{
|
|
|
|
grub_snprintf (ptr, MAX_STR_HWADDR_LEN - (ptr - str),
|
|
|
|
"%02x:", addr->mac[i] & 0xff);
|
|
|
|
ptr += (sizeof ("XX:") - 1);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
grub_printf ("Unsupported hw address type %d\n", addr->type);
|
|
|
|
}
|
|
|
|
|
2011-06-24 18:35:25 +00:00
|
|
|
int
|
|
|
|
grub_net_hwaddr_cmp (const grub_net_link_level_address_t *a,
|
|
|
|
const grub_net_link_level_address_t *b)
|
|
|
|
{
|
|
|
|
if (a->type < b->type)
|
|
|
|
return -1;
|
|
|
|
if (a->type > b->type)
|
|
|
|
return +1;
|
|
|
|
switch (a->type)
|
|
|
|
{
|
|
|
|
case GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET:
|
|
|
|
return grub_memcmp (a->mac, b->mac, sizeof (a->mac));
|
|
|
|
}
|
|
|
|
grub_printf ("Unsupported hw address type %d\n", a->type);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2010-09-02 18:00:56 +00:00
|
|
|
/* FIXME: implement this. */
|
|
|
|
static char *
|
|
|
|
hwaddr_set_env (struct grub_env_var *var __attribute__ ((unused)),
|
|
|
|
const char *val __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* FIXME: implement this. */
|
|
|
|
static char *
|
|
|
|
addr_set_env (struct grub_env_var *var __attribute__ ((unused)),
|
|
|
|
const char *val __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
grub_net_network_level_interface_register (struct grub_net_network_level_interface *inter)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
char buf[MAX_STR_HWADDR_LEN];
|
|
|
|
char name[grub_strlen (inter->name) + sizeof ("net__mac")];
|
|
|
|
hwaddr_to_str (&inter->hwaddress, buf);
|
|
|
|
grub_snprintf (name, sizeof (name), "net_%s_mac", inter->name);
|
|
|
|
grub_env_set (name, buf);
|
|
|
|
grub_register_variable_hook (name, 0, hwaddr_set_env);
|
|
|
|
}
|
|
|
|
|
|
|
|
{
|
2010-09-02 20:10:55 +00:00
|
|
|
char buf[GRUB_NET_MAX_STR_ADDR_LEN];
|
2010-09-02 18:00:56 +00:00
|
|
|
char name[grub_strlen (inter->name) + sizeof ("net__ip")];
|
2010-09-02 20:10:55 +00:00
|
|
|
grub_net_addr_to_str (&inter->address, buf);
|
2010-09-02 18:00:56 +00:00
|
|
|
grub_snprintf (name, sizeof (name), "net_%s_ip", inter->name);
|
|
|
|
grub_env_set (name, buf);
|
|
|
|
grub_register_variable_hook (name, 0, addr_set_env);
|
|
|
|
}
|
|
|
|
|
2011-06-24 18:35:25 +00:00
|
|
|
inter->prev = &grub_net_network_level_interfaces;
|
|
|
|
inter->next = grub_net_network_level_interfaces;
|
|
|
|
if (inter->next)
|
|
|
|
inter->next->prev = &inter->next;
|
|
|
|
grub_net_network_level_interfaces = inter;
|
2010-09-02 18:00:56 +00:00
|
|
|
}
|
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
struct grub_net_network_level_interface *
|
2011-06-24 18:35:25 +00:00
|
|
|
grub_net_add_addr (const char *name,
|
|
|
|
const struct grub_net_card *card,
|
2010-09-02 18:00:56 +00:00
|
|
|
grub_net_network_level_address_t addr,
|
|
|
|
grub_net_link_level_address_t hwaddress,
|
|
|
|
grub_net_interface_flags_t flags)
|
2010-09-02 15:18:02 +00:00
|
|
|
{
|
|
|
|
struct grub_net_network_level_interface *inter;
|
|
|
|
|
|
|
|
inter = grub_zalloc (sizeof (*inter));
|
|
|
|
if (!inter)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
inter->name = grub_strdup (name);
|
|
|
|
grub_memcpy (&(inter->address), &addr, sizeof (inter->address));
|
2010-09-02 18:00:56 +00:00
|
|
|
grub_memcpy (&(inter->hwaddress), &hwaddress, sizeof (inter->hwaddress));
|
|
|
|
inter->flags = flags;
|
2010-09-02 15:18:02 +00:00
|
|
|
inter->card = card;
|
2010-09-02 20:10:55 +00:00
|
|
|
inter->dhcp_ack = NULL;
|
|
|
|
inter->dhcp_acklen = 0;
|
2010-09-02 15:18:02 +00:00
|
|
|
|
|
|
|
grub_net_network_level_interface_register (inter);
|
|
|
|
|
|
|
|
return inter;
|
|
|
|
}
|
|
|
|
|
2010-09-02 18:00:56 +00:00
|
|
|
/* FIXME: support MAC specifying. */
|
2010-03-03 19:09:48 +00:00
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_addaddr (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct grub_net_card *card;
|
|
|
|
grub_net_network_level_address_t addr;
|
2010-09-02 15:18:02 +00:00
|
|
|
grub_err_t err;
|
2010-09-02 18:00:56 +00:00
|
|
|
grub_net_interface_flags_t flags = 0;
|
2010-03-03 19:09:48 +00:00
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
if (argc != 3)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("three arguments expected"));
|
2010-03-03 19:09:48 +00:00
|
|
|
|
|
|
|
FOR_NET_CARDS (card)
|
2010-09-22 22:45:39 +00:00
|
|
|
if (grub_strcmp (card->name, args[1]) == 0)
|
2010-03-03 19:09:48 +00:00
|
|
|
break;
|
|
|
|
if (card == NULL)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("card not found"));
|
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
err = grub_net_resolve_address (args[2], &addr);
|
2010-03-03 19:09:48 +00:00
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
2010-09-02 18:00:56 +00:00
|
|
|
if (card->flags & GRUB_NET_CARD_NO_MANUAL_INTERFACES)
|
|
|
|
return grub_error (GRUB_ERR_IO,
|
|
|
|
"this card doesn't support address addition");
|
|
|
|
|
|
|
|
if (card->flags & GRUB_NET_CARD_HWADDRESS_IMMUTABLE)
|
|
|
|
flags |= GRUB_NET_INTERFACE_HWADDRESS_IMMUTABLE;
|
|
|
|
|
|
|
|
grub_net_add_addr (args[0], card, addr, card->default_address,
|
|
|
|
flags);
|
2010-09-02 15:18:02 +00:00
|
|
|
return grub_errno;
|
2010-03-03 19:09:48 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_delroute (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct grub_net_route *route;
|
|
|
|
struct grub_net_route **prev;
|
|
|
|
|
|
|
|
if (argc != 1)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
|
|
|
|
|
|
|
|
for (prev = &grub_net_routes, route = *prev; route; prev = &((*prev)->next),
|
|
|
|
route = *prev)
|
|
|
|
if (grub_strcmp (route->name, args[0]) == 0)
|
|
|
|
{
|
|
|
|
*prev = route->next;
|
|
|
|
grub_free (route->name);
|
|
|
|
grub_free (route);
|
|
|
|
}
|
|
|
|
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
grub_err_t
|
|
|
|
grub_net_add_route (const char *name,
|
|
|
|
grub_net_network_level_netaddress_t target,
|
|
|
|
struct grub_net_network_level_interface *inter)
|
2010-03-03 19:09:48 +00:00
|
|
|
{
|
|
|
|
struct grub_net_route *route;
|
|
|
|
|
|
|
|
route = grub_zalloc (sizeof (*route));
|
|
|
|
if (!route)
|
|
|
|
return grub_errno;
|
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
route->name = grub_strdup (name);
|
2010-03-03 19:09:48 +00:00
|
|
|
if (!route->name)
|
|
|
|
{
|
|
|
|
grub_free (route);
|
|
|
|
return grub_errno;
|
|
|
|
}
|
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
route->target = target;
|
|
|
|
route->is_gateway = 0;
|
|
|
|
route->interface = inter;
|
|
|
|
|
|
|
|
grub_net_route_register (route);
|
|
|
|
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
grub_err_t
|
|
|
|
grub_net_add_route_gw (const char *name,
|
|
|
|
grub_net_network_level_netaddress_t target,
|
|
|
|
grub_net_network_level_address_t gw)
|
|
|
|
{
|
|
|
|
struct grub_net_route *route;
|
|
|
|
|
|
|
|
route = grub_zalloc (sizeof (*route));
|
|
|
|
if (!route)
|
|
|
|
return grub_errno;
|
|
|
|
|
|
|
|
route->name = grub_strdup (name);
|
|
|
|
if (!route->name)
|
2010-03-03 19:09:48 +00:00
|
|
|
{
|
|
|
|
grub_free (route);
|
2010-09-02 15:18:02 +00:00
|
|
|
return grub_errno;
|
2010-03-03 19:09:48 +00:00
|
|
|
}
|
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
route->target = target;
|
|
|
|
route->is_gateway = 1;
|
|
|
|
route->gw = gw;
|
|
|
|
|
|
|
|
grub_net_route_register (route);
|
|
|
|
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_addroute (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
grub_net_network_level_netaddress_t target;
|
|
|
|
if (argc < 3)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT,
|
|
|
|
N_("At least 3 arguments are expected"));
|
|
|
|
|
|
|
|
grub_net_resolve_net_address (args[1], &target);
|
|
|
|
|
2010-03-03 19:09:48 +00:00
|
|
|
if (grub_strcmp (args[2], "gw") == 0 && argc >= 4)
|
|
|
|
{
|
|
|
|
grub_err_t err;
|
2010-09-02 15:18:02 +00:00
|
|
|
grub_net_network_level_address_t gw;
|
|
|
|
|
|
|
|
err = grub_net_resolve_address (args[3], &gw);
|
2010-03-03 19:09:48 +00:00
|
|
|
if (err)
|
2010-09-02 15:18:02 +00:00
|
|
|
return err;
|
|
|
|
return grub_net_add_route_gw (args[0], target, gw);
|
2010-03-03 19:09:48 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
struct grub_net_network_level_interface *inter;
|
|
|
|
|
|
|
|
FOR_NET_NETWORK_LEVEL_INTERFACES (inter)
|
2010-09-22 22:45:39 +00:00
|
|
|
if (grub_strcmp (inter->name, args[2]) == 0)
|
2010-03-03 19:09:48 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
if (!inter)
|
2010-09-02 15:18:02 +00:00
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT,
|
|
|
|
N_("unrecognised interface %s"), args[2]);
|
|
|
|
return grub_net_add_route (args[0], target, inter);
|
2010-03-03 19:09:48 +00:00
|
|
|
}
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
2010-03-03 19:09:48 +00:00
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
static void
|
|
|
|
print_net_address (const grub_net_network_level_netaddress_t *target)
|
|
|
|
{
|
|
|
|
switch (target->type)
|
|
|
|
{
|
2011-06-24 18:35:25 +00:00
|
|
|
case GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC:
|
|
|
|
grub_printf ("promisc\n");
|
|
|
|
break;
|
2010-09-02 15:18:02 +00:00
|
|
|
case GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4:
|
2010-09-02 16:15:59 +00:00
|
|
|
{
|
|
|
|
grub_uint32_t n = grub_be_to_cpu32 (target->ipv4.base);
|
|
|
|
grub_printf ("%d.%d.%d.%d/%d ", ((n >> 24) & 0xff),
|
|
|
|
((n >> 16) & 0xff),
|
|
|
|
((n >> 8) & 0xff),
|
|
|
|
((n >> 0) & 0xff),
|
|
|
|
target->ipv4.masksize);
|
|
|
|
}
|
|
|
|
return;
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
2010-09-02 16:15:59 +00:00
|
|
|
grub_printf ("Unknown address type %d\n", target->type);
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
print_address (const grub_net_network_level_address_t *target)
|
|
|
|
{
|
2010-09-02 20:10:55 +00:00
|
|
|
char buf[GRUB_NET_MAX_STR_ADDR_LEN];
|
|
|
|
grub_net_addr_to_str (target, buf);
|
2010-09-02 18:00:56 +00:00
|
|
|
grub_xputs (buf);
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_listroutes (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc __attribute__ ((unused)),
|
|
|
|
char **args __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
struct grub_net_route *route;
|
|
|
|
FOR_NET_ROUTES(route)
|
|
|
|
{
|
|
|
|
grub_printf ("%s ", route->name);
|
|
|
|
print_net_address (&route->target);
|
|
|
|
if (route->is_gateway)
|
|
|
|
{
|
|
|
|
grub_printf ("gw ");
|
|
|
|
print_address (&route->gw);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
grub_printf ("%s", route->interface->name);
|
2010-09-02 16:15:59 +00:00
|
|
|
grub_printf ("\n");
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
2010-03-03 19:09:48 +00:00
|
|
|
|
2010-09-02 15:18:02 +00:00
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_listcards (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc __attribute__ ((unused)),
|
|
|
|
char **args __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
struct grub_net_card *card;
|
|
|
|
FOR_NET_CARDS(card)
|
|
|
|
{
|
2011-06-26 20:37:49 +00:00
|
|
|
char buf[MAX_STR_HWADDR_LEN];
|
|
|
|
hwaddr_to_str (&card->default_address, buf);
|
|
|
|
grub_printf ("%s %s\n", card->name, buf);
|
2010-09-02 15:18:02 +00:00
|
|
|
}
|
2010-03-03 19:09:48 +00:00
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
2011-06-24 18:35:25 +00:00
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_listaddrs (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc __attribute__ ((unused)),
|
|
|
|
char **args __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
struct grub_net_network_level_interface *inf;
|
|
|
|
FOR_NET_NETWORK_LEVEL_INTERFACES (inf)
|
|
|
|
{
|
|
|
|
char bufh[MAX_STR_HWADDR_LEN];
|
|
|
|
char bufn[GRUB_NET_MAX_STR_ADDR_LEN];
|
|
|
|
hwaddr_to_str (&inf->hwaddress, bufh);
|
|
|
|
grub_net_addr_to_str (&inf->address, bufn);
|
|
|
|
grub_printf ("%s %s %s\n", inf->name, bufh, bufn);
|
|
|
|
}
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
2010-09-01 22:07:55 +00:00
|
|
|
grub_net_app_level_t grub_net_app_level_list;
|
2011-04-01 08:22:41 +00:00
|
|
|
struct grub_net_socket *grub_net_sockets;
|
2010-09-01 22:07:55 +00:00
|
|
|
|
|
|
|
static grub_net_t
|
|
|
|
grub_net_open_real (const char *name)
|
|
|
|
{
|
|
|
|
grub_net_app_level_t proto;
|
2011-06-26 15:06:18 +00:00
|
|
|
const char *protname, *server;
|
|
|
|
grub_size_t protnamelen;
|
|
|
|
|
|
|
|
if (grub_strncmp (name, "pxe:", sizeof ("pxe:") - 1) == 0)
|
|
|
|
{
|
|
|
|
protname = "tftp";
|
|
|
|
protnamelen = sizeof ("tftp") - 1;
|
|
|
|
server = name + sizeof ("pxe:") - 1;
|
|
|
|
}
|
|
|
|
else if (grub_strcmp (name, "pxe") == 0)
|
|
|
|
{
|
|
|
|
protname = "tftp";
|
|
|
|
protnamelen = sizeof ("tftp") - 1;
|
|
|
|
server = default_server;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
const char *comma;
|
|
|
|
comma = grub_strchr (name, ',');
|
|
|
|
if (comma)
|
|
|
|
{
|
|
|
|
protnamelen = comma - name;
|
|
|
|
server = comma + 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
protnamelen = grub_strlen (name);
|
|
|
|
server = default_server;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!server)
|
|
|
|
{
|
|
|
|
grub_error (GRUB_ERR_NET_BAD_ADDRESS, "no server");
|
|
|
|
return NULL;
|
|
|
|
}
|
2010-09-01 22:07:55 +00:00
|
|
|
|
|
|
|
FOR_NET_APP_LEVEL (proto)
|
|
|
|
{
|
2011-06-26 15:06:18 +00:00
|
|
|
if (grub_memcmp (proto->name, protname, protnamelen) == 0
|
|
|
|
&& proto->name[protnamelen] == 0)
|
2010-09-01 22:07:55 +00:00
|
|
|
{
|
|
|
|
grub_net_t ret = grub_malloc (sizeof (*ret));
|
|
|
|
if (!ret)
|
|
|
|
return NULL;
|
|
|
|
ret->protocol = proto;
|
2011-06-26 15:06:18 +00:00
|
|
|
if (server)
|
2010-09-01 22:07:55 +00:00
|
|
|
{
|
2011-06-26 15:06:18 +00:00
|
|
|
ret->server = grub_strdup (server);
|
|
|
|
if (!ret->server)
|
|
|
|
{
|
|
|
|
grub_free (ret);
|
|
|
|
return NULL;
|
|
|
|
}
|
2010-09-01 22:07:55 +00:00
|
|
|
}
|
2011-06-26 15:06:18 +00:00
|
|
|
else
|
|
|
|
ret->server = NULL;
|
2011-05-27 03:22:35 +00:00
|
|
|
ret->fs = &grub_net_fs;
|
2010-09-01 22:07:55 +00:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
2010-09-02 16:15:59 +00:00
|
|
|
grub_error (GRUB_ERR_UNKNOWN_DEVICE, "no such device");
|
|
|
|
|
2010-09-01 22:07:55 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2011-06-15 18:11:26 +00:00
|
|
|
static grub_err_t
|
|
|
|
grub_net_fs_dir (grub_device_t device, const char *path __attribute__ ((unused)),
|
|
|
|
int (*hook) (const char *filename,
|
|
|
|
const struct grub_dirhook_info *info) __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
if (!device->net)
|
|
|
|
return grub_error (GRUB_ERR_BAD_FS, "invalid extent");
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
2011-04-01 08:22:41 +00:00
|
|
|
static grub_err_t
|
2011-05-27 03:22:35 +00:00
|
|
|
grub_net_fs_open (struct grub_file *file, const char *name)
|
2011-04-01 08:22:41 +00:00
|
|
|
{
|
|
|
|
grub_err_t err;
|
|
|
|
grub_net_network_level_address_t addr;
|
|
|
|
struct grub_net_network_level_interface *inf;
|
|
|
|
grub_net_network_level_address_t gateway;
|
|
|
|
grub_net_socket_t socket;
|
|
|
|
static int port = 25300;
|
|
|
|
|
2011-06-26 15:06:18 +00:00
|
|
|
err = grub_net_resolve_address (file->device->net->server, &addr);
|
2011-04-01 08:22:41 +00:00
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
err = grub_net_route_address (addr, &gateway, &inf);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
2011-05-19 13:39:34 +00:00
|
|
|
socket = (grub_net_socket_t) grub_malloc (sizeof (*socket));
|
|
|
|
if (socket == NULL)
|
|
|
|
return grub_errno;
|
2011-04-01 08:22:41 +00:00
|
|
|
|
|
|
|
socket->inf = inf;
|
|
|
|
socket->out_nla = addr;
|
|
|
|
socket->in_port = port++;
|
|
|
|
socket->status = 0;
|
|
|
|
socket->app = file->device->net->protocol;
|
2011-05-19 13:39:34 +00:00
|
|
|
socket->packs.first = NULL;
|
|
|
|
socket->packs.last = NULL;
|
2011-04-01 08:22:41 +00:00
|
|
|
file->device->net->socket = socket;
|
|
|
|
grub_net_socket_register (socket);
|
|
|
|
|
2011-05-19 13:39:34 +00:00
|
|
|
err = file->device->net->protocol->open (file,name);
|
|
|
|
if (err)
|
2011-04-01 08:22:41 +00:00
|
|
|
goto fail;
|
2011-05-10 12:30:26 +00:00
|
|
|
file->not_easily_seekable = 1;
|
2011-05-27 03:22:35 +00:00
|
|
|
|
2011-04-01 08:22:41 +00:00
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
fail:
|
|
|
|
grub_net_socket_unregister (socket);
|
|
|
|
grub_free (socket);
|
|
|
|
return err;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2011-05-10 12:32:38 +00:00
|
|
|
static grub_err_t
|
2011-05-27 03:22:35 +00:00
|
|
|
grub_net_fs_close (grub_file_t file)
|
2011-05-10 12:32:38 +00:00
|
|
|
{
|
|
|
|
grub_net_socket_t sock = file->device->net->socket;
|
2011-05-19 13:39:34 +00:00
|
|
|
while (sock->packs.first)
|
2011-05-10 12:32:38 +00:00
|
|
|
{
|
2011-05-19 13:39:34 +00:00
|
|
|
grub_netbuff_free (sock->packs.first->nb);
|
|
|
|
grub_net_remove_packet (sock->packs.first);
|
2011-05-10 12:32:38 +00:00
|
|
|
}
|
|
|
|
grub_net_socket_unregister (sock);
|
|
|
|
grub_free (sock);
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2011-05-19 13:39:34 +00:00
|
|
|
static void
|
2011-04-01 08:22:41 +00:00
|
|
|
receive_packets (struct grub_net_card *card)
|
|
|
|
{
|
2011-06-24 18:35:25 +00:00
|
|
|
while (1)
|
2011-05-19 13:39:34 +00:00
|
|
|
{
|
2011-06-24 18:35:25 +00:00
|
|
|
/* Maybe should be better have a fixed number of packets for each card
|
|
|
|
and just mark them as used and not used. */
|
|
|
|
struct grub_net_buff *nb;
|
|
|
|
grub_ssize_t actual;
|
|
|
|
nb = grub_netbuff_alloc (1500);
|
|
|
|
if (!nb)
|
|
|
|
{
|
|
|
|
grub_print_error ();
|
|
|
|
return;
|
|
|
|
}
|
2011-04-01 08:22:41 +00:00
|
|
|
|
2011-06-24 18:35:25 +00:00
|
|
|
actual = card->driver->recv (card, nb);
|
|
|
|
if (actual < 0)
|
|
|
|
{
|
|
|
|
grub_netbuff_free (nb);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
grub_net_recv_ethernet_packet (nb, card);
|
|
|
|
}
|
2011-05-19 13:39:34 +00:00
|
|
|
grub_print_error ();
|
2011-04-01 08:22:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2011-05-19 13:39:34 +00:00
|
|
|
grub_net_poll_cards (unsigned time)
|
2011-04-01 08:22:41 +00:00
|
|
|
{
|
|
|
|
struct grub_net_card *card;
|
|
|
|
grub_uint64_t start_time;
|
|
|
|
FOR_NET_CARDS (card)
|
|
|
|
{
|
|
|
|
start_time = grub_get_time_ms ();
|
2011-05-19 13:39:34 +00:00
|
|
|
while ((grub_get_time_ms () - start_time) < time)
|
|
|
|
receive_packets (card);
|
2011-04-01 08:22:41 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-05-19 13:39:34 +00:00
|
|
|
/* Read from the packets list*/
|
2011-04-01 08:22:41 +00:00
|
|
|
static grub_ssize_t
|
2011-05-27 03:22:35 +00:00
|
|
|
grub_net_fs_read (grub_file_t file, char *buf, grub_size_t len)
|
2011-04-01 08:22:41 +00:00
|
|
|
{
|
|
|
|
grub_net_socket_t sock = file->device->net->socket;
|
|
|
|
struct grub_net_buff *nb;
|
2011-05-27 03:22:35 +00:00
|
|
|
char *ptr = buf;
|
2011-04-01 08:22:41 +00:00
|
|
|
grub_size_t amount, total = 0;
|
|
|
|
int try = 0;
|
|
|
|
while (try <= 3)
|
|
|
|
{
|
2011-05-19 13:39:34 +00:00
|
|
|
while (sock->packs.first)
|
2011-04-01 08:22:41 +00:00
|
|
|
{
|
|
|
|
try = 0;
|
2011-05-19 13:39:34 +00:00
|
|
|
nb = sock->packs.first->nb;
|
|
|
|
amount = nb->tail - nb->data;
|
|
|
|
if (amount > len)
|
|
|
|
amount = len;
|
2011-04-01 08:22:41 +00:00
|
|
|
len -= amount;
|
|
|
|
total += amount;
|
2011-05-19 13:39:34 +00:00
|
|
|
if (buf)
|
|
|
|
{
|
|
|
|
grub_memcpy (ptr, nb->data, amount);
|
|
|
|
ptr += amount;
|
|
|
|
}
|
2011-04-01 08:22:41 +00:00
|
|
|
if (amount == (grub_size_t) (nb->tail - nb->data))
|
|
|
|
{
|
|
|
|
grub_netbuff_free (nb);
|
2011-05-19 13:39:34 +00:00
|
|
|
grub_net_remove_packet (sock->packs.first);
|
2011-04-01 08:22:41 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
nb->data += amount;
|
|
|
|
|
|
|
|
if (!len)
|
|
|
|
return total;
|
|
|
|
}
|
|
|
|
if (sock->status == 1)
|
|
|
|
{
|
|
|
|
try++;
|
2011-05-19 13:39:34 +00:00
|
|
|
grub_net_poll_cards (200);
|
2011-04-01 08:22:41 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
return total;
|
|
|
|
}
|
|
|
|
return total;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Read from the packets list*/
|
|
|
|
static grub_err_t
|
|
|
|
grub_net_seek_real (struct grub_file *file, grub_off_t offset)
|
|
|
|
{
|
|
|
|
grub_net_socket_t sock = file->device->net->socket;
|
|
|
|
struct grub_net_buff *nb;
|
|
|
|
grub_size_t len = offset - file->offset;
|
|
|
|
|
|
|
|
if (!len)
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
|
|
|
|
/* We cant seek backwards past the current packet. */
|
|
|
|
if (file->offset > offset)
|
|
|
|
{
|
2011-05-19 13:39:34 +00:00
|
|
|
nb = sock->packs.first->nb;
|
2011-04-01 08:22:41 +00:00
|
|
|
return grub_netbuff_push (nb, file->offset - offset);
|
|
|
|
}
|
|
|
|
|
2011-05-27 03:22:35 +00:00
|
|
|
grub_net_fs_read (file, NULL, len);
|
2011-04-01 08:22:41 +00:00
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
2010-09-02 20:10:55 +00:00
|
|
|
static char *
|
|
|
|
grub_env_write_readonly (struct grub_env_var *var __attribute__ ((unused)),
|
|
|
|
const char *val __attribute__ ((unused)))
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
set_env_limn_ro (const char *intername, const char *suffix,
|
|
|
|
char *value, grub_size_t len)
|
|
|
|
{
|
|
|
|
char c;
|
|
|
|
char varname[sizeof ("net_") + grub_strlen (intername) + sizeof ("_")
|
|
|
|
+ grub_strlen (suffix)];
|
|
|
|
grub_snprintf (varname, sizeof (varname), "net_%s_%s", intername, suffix);
|
|
|
|
c = value[len];
|
|
|
|
value[len] = 0;
|
|
|
|
grub_env_set (varname, value);
|
|
|
|
value[len] = c;
|
|
|
|
grub_register_variable_hook (varname, 0, grub_env_write_readonly);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
parse_dhcp_vendor (const char *name, void *vend, int limit)
|
|
|
|
{
|
|
|
|
grub_uint8_t *ptr, *ptr0;
|
|
|
|
|
|
|
|
ptr = ptr0 = vend;
|
|
|
|
|
2011-06-26 20:37:19 +00:00
|
|
|
if (ptr[0] != GRUB_NET_BOOTP_RFC1048_MAGIC_0
|
|
|
|
|| ptr[1] != GRUB_NET_BOOTP_RFC1048_MAGIC_1
|
|
|
|
|| ptr[2] != GRUB_NET_BOOTP_RFC1048_MAGIC_2
|
|
|
|
|| ptr[3] != GRUB_NET_BOOTP_RFC1048_MAGIC_3)
|
2010-09-02 20:10:55 +00:00
|
|
|
return;
|
|
|
|
ptr = ptr + sizeof (grub_uint32_t);
|
|
|
|
while (ptr - ptr0 < limit)
|
|
|
|
{
|
|
|
|
grub_uint8_t tagtype;
|
|
|
|
grub_uint8_t taglength;
|
|
|
|
|
|
|
|
tagtype = *ptr++;
|
|
|
|
|
|
|
|
/* Pad tag. */
|
|
|
|
if (tagtype == 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* End tag. */
|
|
|
|
if (tagtype == 0xff)
|
|
|
|
return;
|
|
|
|
|
|
|
|
taglength = *ptr++;
|
|
|
|
|
|
|
|
switch (tagtype)
|
|
|
|
{
|
|
|
|
case 12:
|
|
|
|
set_env_limn_ro (name, "hostname", (char *) ptr, taglength);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 15:
|
|
|
|
set_env_limn_ro (name, "domain", (char *) ptr, taglength);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 17:
|
|
|
|
set_env_limn_ro (name, "rootpath", (char *) ptr, taglength);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 18:
|
|
|
|
set_env_limn_ro (name, "extensionspath", (char *) ptr, taglength);
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* If you need any other options please contact GRUB
|
|
|
|
developpement team. */
|
|
|
|
}
|
|
|
|
|
|
|
|
ptr += taglength;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#define OFFSET_OF(x, y) ((grub_uint8_t *)((y)->x) - (grub_uint8_t *)(y))
|
|
|
|
|
|
|
|
struct grub_net_network_level_interface *
|
2011-06-24 18:35:25 +00:00
|
|
|
grub_net_configure_by_dhcp_ack (const char *name,
|
|
|
|
const struct grub_net_card *card,
|
2010-09-02 20:10:55 +00:00
|
|
|
grub_net_interface_flags_t flags,
|
2011-06-24 18:35:25 +00:00
|
|
|
const struct grub_net_bootp_packet *bp,
|
2010-09-02 20:10:55 +00:00
|
|
|
grub_size_t size)
|
|
|
|
{
|
|
|
|
grub_net_network_level_address_t addr;
|
|
|
|
grub_net_link_level_address_t hwaddr;
|
|
|
|
struct grub_net_network_level_interface *inter;
|
|
|
|
|
|
|
|
addr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
|
|
|
addr.ipv4 = bp->your_ip;
|
|
|
|
|
|
|
|
grub_memcpy (hwaddr.mac, bp->mac_addr,
|
|
|
|
bp->hw_len < sizeof (hwaddr.mac) ? bp->hw_len
|
|
|
|
: sizeof (hwaddr.mac));
|
|
|
|
hwaddr.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET;
|
|
|
|
|
|
|
|
inter = grub_net_add_addr (name, card, addr, hwaddr, flags);
|
2011-06-26 15:06:18 +00:00
|
|
|
{
|
|
|
|
grub_net_network_level_netaddress_t target;
|
|
|
|
grub_net_network_level_address_t gw;
|
|
|
|
char rname[grub_strlen (name) + sizeof ("_gw")];
|
2010-09-02 20:10:55 +00:00
|
|
|
|
2011-06-26 15:06:18 +00:00
|
|
|
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
|
|
|
target.ipv4.base = bp->server_ip;
|
|
|
|
target.ipv4.masksize = 32;
|
|
|
|
gw.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
|
|
|
gw.ipv4 = bp->gateway_ip;
|
|
|
|
grub_snprintf (rname, sizeof (rname), "%s_gw", name);
|
|
|
|
grub_net_add_route_gw (rname, target, gw);
|
|
|
|
}
|
2010-09-02 20:10:55 +00:00
|
|
|
{
|
|
|
|
grub_net_network_level_netaddress_t target;
|
|
|
|
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
|
|
|
target.ipv4.base = bp->gateway_ip;
|
|
|
|
target.ipv4.masksize = 32;
|
|
|
|
grub_net_add_route (name, target, inter);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (size > OFFSET_OF (boot_file, bp))
|
|
|
|
set_env_limn_ro (name, "boot_file", (char *) bp->boot_file,
|
|
|
|
sizeof (bp->boot_file));
|
2011-06-26 15:06:18 +00:00
|
|
|
if (size > OFFSET_OF (server_name, bp)
|
|
|
|
&& bp->server_name[0])
|
|
|
|
{
|
|
|
|
set_env_limn_ro (name, "dhcp_server_name", (char *) bp->server_name,
|
|
|
|
sizeof (bp->server_name));
|
|
|
|
if (!default_server)
|
|
|
|
{
|
|
|
|
default_server = grub_strdup (bp->server_name);
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!default_server)
|
|
|
|
{
|
|
|
|
default_server = grub_xasprintf ("%d.%d.%d.%d",
|
|
|
|
((grub_uint8_t *) &bp->server_ip)[0],
|
|
|
|
((grub_uint8_t *) &bp->server_ip)[1],
|
|
|
|
((grub_uint8_t *) &bp->server_ip)[2],
|
|
|
|
((grub_uint8_t *) &bp->server_ip)[3]);
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
}
|
2010-09-02 20:10:55 +00:00
|
|
|
if (size > OFFSET_OF (vendor, bp))
|
|
|
|
parse_dhcp_vendor (name, &bp->vendor, size - OFFSET_OF (vendor, bp));
|
|
|
|
|
|
|
|
inter->dhcp_ack = grub_malloc (size);
|
|
|
|
if (inter->dhcp_ack)
|
|
|
|
{
|
|
|
|
grub_memcpy (inter->dhcp_ack, bp, size);
|
|
|
|
inter->dhcp_acklen = size;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
|
|
|
|
return inter;
|
|
|
|
}
|
|
|
|
|
2011-06-24 18:35:25 +00:00
|
|
|
void
|
|
|
|
grub_net_process_dhcp (struct grub_net_buff *nb,
|
|
|
|
const struct grub_net_card *card)
|
|
|
|
{
|
|
|
|
char *name;
|
|
|
|
struct grub_net_network_level_interface *inf;
|
|
|
|
|
|
|
|
name = grub_xasprintf ("%s:dhcp", card->name);
|
|
|
|
if (!name)
|
|
|
|
{
|
|
|
|
grub_print_error ();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
grub_net_configure_by_dhcp_ack (name, card,
|
|
|
|
0, (const struct grub_net_bootp_packet *) nb->data,
|
|
|
|
(nb->tail - nb->data));
|
|
|
|
grub_free (name);
|
|
|
|
if (grub_errno)
|
|
|
|
grub_print_error ();
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FOR_NET_NETWORK_LEVEL_INTERFACES(inf)
|
|
|
|
if (grub_memcmp (inf->name, card->name, grub_strlen (card->name)) == 0
|
|
|
|
&& grub_memcmp (inf->name + grub_strlen (card->name),
|
|
|
|
":dhcp_tmp", sizeof (":dhcp_tmp") - 1) == 0)
|
|
|
|
{
|
|
|
|
grub_net_network_level_interface_unregister (inf);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-09-14 23:12:47 +00:00
|
|
|
static char
|
|
|
|
hexdigit (grub_uint8_t val)
|
|
|
|
{
|
|
|
|
if (val < 10)
|
|
|
|
return val + '0';
|
|
|
|
return val + 'a' - 10;
|
|
|
|
}
|
|
|
|
|
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct grub_net_network_level_interface *inter;
|
|
|
|
int num;
|
|
|
|
grub_uint8_t *ptr;
|
|
|
|
grub_uint8_t taglength;
|
|
|
|
|
|
|
|
if (argc < 4)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT, "4 arguments expected");
|
|
|
|
|
|
|
|
FOR_NET_NETWORK_LEVEL_INTERFACES (inter)
|
2011-01-03 14:54:59 +00:00
|
|
|
if (grub_strcmp (inter->name, args[1]) == 0)
|
2010-09-14 23:12:47 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
if (!inter)
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT,
|
|
|
|
N_("unrecognised interface %s"), args[1]);
|
|
|
|
|
|
|
|
if (!inter->dhcp_ack)
|
|
|
|
return grub_error (GRUB_ERR_IO, N_("no DHCP info found"));
|
|
|
|
|
|
|
|
if (inter->dhcp_acklen <= OFFSET_OF (vendor, inter->dhcp_ack))
|
|
|
|
return grub_error (GRUB_ERR_IO, N_("no DHCP options found"));
|
|
|
|
|
|
|
|
num = grub_strtoul (args[2], 0, 0);
|
|
|
|
if (grub_errno)
|
|
|
|
return grub_errno;
|
|
|
|
|
|
|
|
ptr = inter->dhcp_ack->vendor;
|
|
|
|
|
2011-06-26 20:37:19 +00:00
|
|
|
if (ptr[0] != GRUB_NET_BOOTP_RFC1048_MAGIC_0
|
|
|
|
|| ptr[1] != GRUB_NET_BOOTP_RFC1048_MAGIC_1
|
|
|
|
|| ptr[2] != GRUB_NET_BOOTP_RFC1048_MAGIC_2
|
|
|
|
|| ptr[3] != GRUB_NET_BOOTP_RFC1048_MAGIC_3)
|
2010-09-14 23:12:47 +00:00
|
|
|
return grub_error (GRUB_ERR_IO, N_("no DHCP options found"));
|
|
|
|
ptr = ptr + sizeof (grub_uint32_t);
|
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
grub_uint8_t tagtype;
|
|
|
|
|
|
|
|
if (ptr >= ((grub_uint8_t *) inter->dhcp_ack) + inter->dhcp_acklen)
|
|
|
|
return grub_error (GRUB_ERR_IO, N_("no DHCP option %d found"), num);
|
|
|
|
|
|
|
|
tagtype = *ptr++;
|
|
|
|
|
|
|
|
/* Pad tag. */
|
|
|
|
if (tagtype == 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* End tag. */
|
|
|
|
if (tagtype == 0xff)
|
|
|
|
return grub_error (GRUB_ERR_IO, N_("no DHCP option %d found"), num);
|
|
|
|
|
|
|
|
taglength = *ptr++;
|
|
|
|
|
|
|
|
if (tagtype == num)
|
|
|
|
break;
|
|
|
|
ptr += taglength;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (grub_strcmp (args[3], "string") == 0)
|
|
|
|
{
|
|
|
|
char *val = grub_malloc (taglength + 1);
|
|
|
|
if (!val)
|
|
|
|
return grub_errno;
|
|
|
|
grub_memcpy (val, ptr, taglength);
|
|
|
|
val[taglength] = 0;
|
|
|
|
if (args[0][0] == '-' && args[0][1] == 0)
|
|
|
|
grub_printf ("%s\n", val);
|
|
|
|
else
|
|
|
|
return grub_env_set (args[0], val);
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (grub_strcmp (args[3], "number") == 0)
|
|
|
|
{
|
|
|
|
grub_uint64_t val = 0;
|
|
|
|
int i;
|
|
|
|
for (i = 0; i < taglength; i++)
|
|
|
|
val = (val << 8) | ptr[i];
|
|
|
|
if (args[0][0] == '-' && args[0][1] == 0)
|
|
|
|
grub_printf ("%llu\n", (unsigned long long) val);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
char valn[64];
|
|
|
|
grub_printf (valn, sizeof (valn), "%lld\n", (unsigned long long) val);
|
|
|
|
return grub_env_set (args[0], valn);
|
|
|
|
}
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (grub_strcmp (args[3], "hex") == 0)
|
|
|
|
{
|
|
|
|
char *val = grub_malloc (2 * taglength + 1);
|
|
|
|
int i;
|
|
|
|
if (!val)
|
|
|
|
return grub_errno;
|
|
|
|
for (i = 0; i < taglength; i++)
|
|
|
|
{
|
|
|
|
val[2 * i] = hexdigit (ptr[i] >> 4);
|
|
|
|
val[2 * i + 1] = hexdigit (ptr[i] & 0xf);
|
|
|
|
}
|
|
|
|
val[2 * taglength] = 0;
|
|
|
|
if (args[0][0] == '-' && args[0][1] == 0)
|
|
|
|
grub_printf ("%s\n", val);
|
|
|
|
else
|
|
|
|
return grub_env_set (args[0], val);
|
|
|
|
return GRUB_ERR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return grub_error (GRUB_ERR_BAD_ARGUMENT,
|
|
|
|
"unrecognised format specification %s", args[3]);
|
|
|
|
}
|
|
|
|
|
2011-06-24 18:35:25 +00:00
|
|
|
static grub_err_t
|
|
|
|
grub_cmd_bootp (struct grub_command *cmd __attribute__ ((unused)),
|
|
|
|
int argc, char **args)
|
|
|
|
{
|
|
|
|
struct grub_net_card *card;
|
|
|
|
struct grub_net_network_level_interface *ifaces;
|
|
|
|
grub_size_t ncards = 0;
|
|
|
|
unsigned j = 0;
|
|
|
|
int interval;
|
|
|
|
grub_err_t err;
|
|
|
|
|
|
|
|
FOR_NET_CARDS (card)
|
|
|
|
{
|
|
|
|
if (argc > 0 && grub_strcmp (card->name, args[0]) != 0)
|
|
|
|
continue;
|
|
|
|
ncards++;
|
|
|
|
}
|
|
|
|
|
|
|
|
ifaces = grub_zalloc (ncards * sizeof (ifaces[0]));
|
|
|
|
if (!ifaces)
|
|
|
|
return grub_errno;
|
|
|
|
|
|
|
|
j = 0;
|
|
|
|
FOR_NET_CARDS (card)
|
|
|
|
{
|
|
|
|
if (argc > 0 && grub_strcmp (card->name, args[0]) != 0)
|
|
|
|
continue;
|
|
|
|
ifaces[j].card = card;
|
|
|
|
ifaces[j].next = &ifaces[j+1];
|
|
|
|
if (j)
|
|
|
|
ifaces[j].prev = &ifaces[j-1].next;
|
|
|
|
ifaces[j].name = grub_xasprintf ("%s:dhcp_tmp", card->name);
|
|
|
|
if (!ifaces[j].name)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
for (i = 0; i < j; i++)
|
|
|
|
grub_free (ifaces[i].name);
|
|
|
|
grub_free (ifaces);
|
|
|
|
return grub_errno;
|
|
|
|
}
|
|
|
|
ifaces[j].address.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC;
|
|
|
|
grub_memcpy (&ifaces[j].hwaddress, &card->default_address,
|
|
|
|
sizeof (ifaces[j].hwaddress));
|
|
|
|
j++;
|
|
|
|
}
|
|
|
|
ifaces[ncards - 1].next = grub_net_network_level_interfaces;
|
|
|
|
if (grub_net_network_level_interfaces)
|
|
|
|
grub_net_network_level_interfaces->prev = & ifaces[ncards - 1].next;
|
|
|
|
grub_net_network_level_interfaces = &ifaces[0];
|
|
|
|
ifaces[0].prev = &grub_net_network_level_interfaces;
|
|
|
|
for (interval = 200; interval < 10000; interval *= 2)
|
|
|
|
{
|
|
|
|
int done = 0;
|
|
|
|
for (j = 0; j < ncards; j++)
|
|
|
|
{
|
|
|
|
struct grub_net_bootp_packet *pack;
|
|
|
|
struct grub_datetime date;
|
|
|
|
grub_int32_t t;
|
|
|
|
struct grub_net_buff *nb;
|
|
|
|
struct udphdr *udph;
|
|
|
|
grub_net_network_level_address_t target;
|
|
|
|
|
|
|
|
if (!ifaces[j].prev)
|
|
|
|
continue;
|
|
|
|
nb = grub_netbuff_alloc (sizeof (*pack));
|
|
|
|
if (!nb)
|
|
|
|
return grub_errno;
|
|
|
|
err = grub_netbuff_reserve (nb, sizeof (*pack) + 64 + 128);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
err = grub_netbuff_push (nb, sizeof (*pack) + 64);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
pack = (void *) nb->data;
|
|
|
|
done = 1;
|
|
|
|
grub_memset (pack, 0, sizeof (*pack) + 64);
|
|
|
|
pack->opcode = 1;
|
|
|
|
pack->hw_type = 1;
|
|
|
|
pack->hw_len = 6;
|
|
|
|
err = grub_get_datetime (&date);
|
|
|
|
if (err || !grub_datetime2unixtime (&date, &t))
|
|
|
|
{
|
|
|
|
grub_errno = GRUB_ERR_NONE;
|
|
|
|
t = 0;
|
|
|
|
}
|
|
|
|
pack->ident = grub_cpu_to_be32 (t);
|
|
|
|
pack->seconds = 0;//grub_cpu_to_be16 (t);
|
|
|
|
|
|
|
|
grub_memcpy (&pack->mac_addr, &ifaces[j].hwaddress.mac, 6);
|
|
|
|
|
|
|
|
grub_netbuff_push (nb, sizeof (*udph));
|
|
|
|
|
|
|
|
udph = (struct udphdr *) nb->data;
|
|
|
|
udph->src = grub_cpu_to_be16 (68);
|
|
|
|
udph->dst = grub_cpu_to_be16 (67);
|
|
|
|
udph->chksum = 0;
|
|
|
|
udph->len = grub_cpu_to_be16 (nb->tail - nb->data);
|
|
|
|
|
|
|
|
target.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4;
|
|
|
|
target.ipv4 = 0xffffffff;
|
|
|
|
|
|
|
|
err = grub_net_send_ip_packet (&ifaces[j], &target, nb);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
if (!done)
|
|
|
|
break;
|
|
|
|
grub_net_poll_cards (interval);
|
|
|
|
}
|
|
|
|
|
|
|
|
err = GRUB_ERR_NONE;
|
|
|
|
for (j = 0; j < ncards; j++)
|
|
|
|
{
|
|
|
|
if (!ifaces[j].prev)
|
|
|
|
continue;
|
|
|
|
grub_error_push ();
|
|
|
|
grub_net_network_level_interface_unregister (&ifaces[j]);
|
|
|
|
err = grub_error (GRUB_ERR_FILE_NOT_FOUND, "couldn't configure %s",
|
|
|
|
ifaces[j].card->name);
|
|
|
|
}
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
2011-06-18 23:18:25 +00:00
|
|
|
static void
|
|
|
|
grub_grubnet_fini_real (void)
|
|
|
|
{
|
|
|
|
struct grub_net_card *card;
|
2011-06-24 19:51:57 +00:00
|
|
|
|
2011-06-18 23:18:25 +00:00
|
|
|
FOR_NET_CARDS (card)
|
|
|
|
if (card->driver)
|
|
|
|
card->driver->fini (card);
|
|
|
|
}
|
2011-06-24 18:35:25 +00:00
|
|
|
|
2011-05-27 03:22:35 +00:00
|
|
|
static struct grub_fs grub_net_fs =
|
|
|
|
{
|
|
|
|
.name = "netfs",
|
2011-06-15 18:11:26 +00:00
|
|
|
.dir = grub_net_fs_dir,
|
2011-05-27 03:22:35 +00:00
|
|
|
.open = grub_net_fs_open,
|
|
|
|
.read = grub_net_fs_read,
|
|
|
|
.close = grub_net_fs_close,
|
|
|
|
.label = NULL,
|
|
|
|
.uuid = NULL,
|
|
|
|
.mtime = NULL,
|
|
|
|
};
|
2010-03-03 19:09:48 +00:00
|
|
|
static grub_command_t cmd_addaddr, cmd_deladdr, cmd_addroute, cmd_delroute;
|
2011-06-24 18:35:25 +00:00
|
|
|
static grub_command_t cmd_lsroutes, cmd_lscards, cmd_getdhcp, cmd_bootp;
|
|
|
|
static grub_command_t cmd_dhcp, cmd_lsaddr;
|
2010-03-03 19:09:48 +00:00
|
|
|
|
|
|
|
GRUB_MOD_INIT(net)
|
|
|
|
{
|
|
|
|
cmd_addaddr = grub_register_command ("net_add_addr", grub_cmd_addaddr,
|
2010-09-02 18:00:56 +00:00
|
|
|
"SHORTNAME CARD ADDRESS [HWADDRESS]",
|
2010-03-03 19:09:48 +00:00
|
|
|
N_("Add a network address."));
|
|
|
|
cmd_deladdr = grub_register_command ("net_del_addr", grub_cmd_deladdr,
|
|
|
|
"SHORTNAME",
|
|
|
|
N_("Delete a network address."));
|
|
|
|
cmd_addroute = grub_register_command ("net_add_route", grub_cmd_addroute,
|
|
|
|
"SHORTNAME NET [INTERFACE| gw GATEWAY]",
|
|
|
|
N_("Add a network route."));
|
|
|
|
cmd_delroute = grub_register_command ("net_del_route", grub_cmd_delroute,
|
|
|
|
"SHORTNAME",
|
|
|
|
N_("Delete a network route."));
|
2010-09-02 15:18:02 +00:00
|
|
|
cmd_lsroutes = grub_register_command ("net_ls_routes", grub_cmd_listroutes,
|
|
|
|
"", N_("list network routes"));
|
|
|
|
cmd_lscards = grub_register_command ("net_ls_cards", grub_cmd_listcards,
|
|
|
|
"", N_("list network cards"));
|
2011-06-24 18:35:25 +00:00
|
|
|
cmd_lsaddr = grub_register_command ("net_ls_addr", grub_cmd_listaddrs,
|
|
|
|
"", N_("list network addresses"));
|
|
|
|
cmd_bootp = grub_register_command ("net_bootp", grub_cmd_bootp,
|
|
|
|
"[CARD]",
|
|
|
|
N_("perform a bootp autoconfiguration"));
|
|
|
|
cmd_dhcp = grub_register_command ("net_dhcp", grub_cmd_bootp,
|
|
|
|
"[CARD]",
|
|
|
|
N_("perform a bootp autoconfiguration"));
|
2010-09-14 23:12:47 +00:00
|
|
|
cmd_getdhcp = grub_register_command ("net_get_dhcp_option", grub_cmd_dhcpopt,
|
|
|
|
N_("VAR INTERFACE NUMBER DESCRIPTION"),
|
|
|
|
N_("retrieve DHCP option and save it into VAR. If VAR is - then print the value."));
|
2010-09-02 15:18:02 +00:00
|
|
|
|
2011-05-27 03:22:35 +00:00
|
|
|
grub_fs_register (&grub_net_fs);
|
2010-09-01 22:07:55 +00:00
|
|
|
grub_net_open = grub_net_open_real;
|
2011-04-01 08:22:41 +00:00
|
|
|
grub_file_net_seek = grub_net_seek_real;
|
2011-06-18 23:18:25 +00:00
|
|
|
grub_grubnet_fini = grub_grubnet_fini_real;
|
2010-03-03 19:09:48 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
GRUB_MOD_FINI(net)
|
|
|
|
{
|
|
|
|
grub_unregister_command (cmd_addaddr);
|
|
|
|
grub_unregister_command (cmd_deladdr);
|
|
|
|
grub_unregister_command (cmd_addroute);
|
|
|
|
grub_unregister_command (cmd_delroute);
|
2010-09-02 15:18:02 +00:00
|
|
|
grub_unregister_command (cmd_lsroutes);
|
|
|
|
grub_unregister_command (cmd_lscards);
|
2011-06-24 18:35:25 +00:00
|
|
|
grub_unregister_command (cmd_lsaddr);
|
2010-09-14 23:12:47 +00:00
|
|
|
grub_unregister_command (cmd_getdhcp);
|
2011-05-27 03:22:35 +00:00
|
|
|
grub_fs_unregister (&grub_net_fs);
|
2010-09-01 22:07:55 +00:00
|
|
|
grub_net_open = NULL;
|
2011-05-27 03:22:35 +00:00
|
|
|
grub_file_net_seek = NULL;
|
2011-06-18 23:18:25 +00:00
|
|
|
grub_grubnet_fini = NULL;
|
2010-03-03 19:09:48 +00:00
|
|
|
}
|