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grub2/0086-bootp-New-net_bootp6-command.patch
Javier Martinez Canillas 1d49572ef1
Update to latest content from upstream sources 
The content of this branch was not automatically imported from upstream
sources. Pull the latest from upstream to have the missing changes here.

Source: https://src.fedoraproject.org/rpms/grub2.git#f2763e56df79eccae17d2e8fa13d2f51a0fe7073

Resolves: rhbz#1947696

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
2021-04-12 01:36:21 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Michael Chang <mchang@suse.com>
Date: Wed, 10 Jul 2019 15:42:36 +0200
Subject: [PATCH] bootp: New net_bootp6 command
Implement new net_bootp6 command for IPv6 network auto configuration via the
DHCPv6 protocol (RFC3315).
Signed-off-by: Michael Chang <mchang@suse.com>
Signed-off-by: Ken Lin <ken.lin@hpe.com>
[pjones: Put back our code to add a local route]
Signed-off-by: Peter Jones <pjones@redhat.com>
---
grub-core/net/bootp.c | 1059 ++++++++++++++++++++++++++++++------
grub-core/net/drivers/efi/efinet.c | 20 +-
grub-core/net/ip.c | 39 ++
include/grub/efi/api.h | 2 +-
include/grub/net.h | 91 ++--
5 files changed, 1002 insertions(+), 209 deletions(-)
diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c
index dd5c8d04da9..68c4df681b5 100644
--- a/grub-core/net/bootp.c
+++ b/grub-core/net/bootp.c
@@ -24,6 +24,98 @@
#include <grub/net/netbuff.h>
#include <grub/net/udp.h>
#include <grub/datetime.h>
+#include <grub/time.h>
+#include <grub/list.h>
+
+static int
+dissect_url (const char *url, char **proto, char **host, char **path)
+{
+ const char *p, *ps;
+ grub_size_t l;
+
+ *proto = *host = *path = NULL;
+ ps = p = url;
+
+ while ((p = grub_strchr (p, ':')))
+ {
+ if (grub_strlen (p) < sizeof ("://") - 1)
+ break;
+ if (grub_memcmp (p, "://", sizeof ("://") - 1) == 0)
+ {
+ l = p - ps;
+ *proto = grub_malloc (l + 1);
+ if (!*proto)
+ {
+ grub_print_error ();
+ return 0;
+ }
+
+ grub_memcpy (*proto, ps, l);
+ (*proto)[l] = '\0';
+ p += sizeof ("://") - 1;
+ break;
+ }
+ ++p;
+ }
+
+ if (!*proto)
+ {
+ grub_dprintf ("bootp", "url: %s is not valid, protocol not found\n", url);
+ return 0;
+ }
+
+ ps = p;
+ p = grub_strchr (p, '/');
+
+ if (!p)
+ {
+ grub_dprintf ("bootp", "url: %s is not valid, host/path not found\n", url);
+ grub_free (*proto);
+ *proto = NULL;
+ return 0;
+ }
+
+ l = p - ps;
+
+ if (l > 2 && ps[0] == '[' && ps[l - 1] == ']')
+ {
+ *host = grub_malloc (l - 1);
+ if (!*host)
+ {
+ grub_print_error ();
+ grub_free (*proto);
+ *proto = NULL;
+ return 0;
+ }
+ grub_memcpy (*host, ps + 1, l - 2);
+ (*host)[l - 2] = 0;
+ }
+ else
+ {
+ *host = grub_malloc (l + 1);
+ if (!*host)
+ {
+ grub_print_error ();
+ grub_free (*proto);
+ *proto = NULL;
+ return 0;
+ }
+ grub_memcpy (*host, ps, l);
+ (*host)[l] = 0;
+ }
+
+ *path = grub_strdup (p);
+ if (!*path)
+ {
+ grub_print_error ();
+ grub_free (*host);
+ grub_free (*proto);
+ *host = NULL;
+ *proto = NULL;
+ return 0;
+ }
+ return 1;
+}
struct grub_dhcp_discover_options
{
@@ -604,6 +696,584 @@ out:
return err;
}
+/* The default netbuff size for sending DHCPv6 packets which should be
+ large enough to hold the information */
+#define GRUB_DHCP6_DEFAULT_NETBUFF_ALLOC_SIZE 512
+
+struct grub_dhcp6_options
+{
+ grub_uint8_t *client_duid;
+ grub_uint16_t client_duid_len;
+ grub_uint8_t *server_duid;
+ grub_uint16_t server_duid_len;
+ grub_uint32_t iaid;
+ grub_uint32_t t1;
+ grub_uint32_t t2;
+ grub_net_network_level_address_t *ia_addr;
+ grub_uint32_t preferred_lifetime;
+ grub_uint32_t valid_lifetime;
+ grub_net_network_level_address_t *dns_server_addrs;
+ grub_uint16_t num_dns_server;
+ char *boot_file_proto;
+ char *boot_file_server_ip;
+ char *boot_file_path;
+};
+
+typedef struct grub_dhcp6_options *grub_dhcp6_options_t;
+
+struct grub_dhcp6_session
+{
+ struct grub_dhcp6_session *next;
+ struct grub_dhcp6_session **prev;
+ grub_uint32_t iaid;
+ grub_uint32_t transaction_id:24;
+ grub_uint64_t start_time;
+ struct grub_net_dhcp6_option_duid_ll duid;
+ struct grub_net_network_level_interface *iface;
+
+ /* The associated dhcpv6 options */
+ grub_dhcp6_options_t adv;
+ grub_dhcp6_options_t reply;
+};
+
+typedef struct grub_dhcp6_session *grub_dhcp6_session_t;
+
+typedef void (*dhcp6_option_hook_fn) (const struct grub_net_dhcp6_option *opt, void *data);
+
+static void
+foreach_dhcp6_option (const struct grub_net_dhcp6_option *opt, grub_size_t size,
+ dhcp6_option_hook_fn hook, void *hook_data);
+
+static void
+parse_dhcp6_iaaddr (const struct grub_net_dhcp6_option *opt, void *data)
+{
+ grub_dhcp6_options_t dhcp6 = (grub_dhcp6_options_t )data;
+
+ grub_uint16_t code = grub_be_to_cpu16 (opt->code);
+ grub_uint16_t len = grub_be_to_cpu16 (opt->len);
+
+ if (code == GRUB_NET_DHCP6_OPTION_IAADDR)
+ {
+ const struct grub_net_dhcp6_option_iaaddr *iaaddr;
+ iaaddr = (const struct grub_net_dhcp6_option_iaaddr *)opt->data;
+
+ if (len < sizeof (*iaaddr))
+ {
+ grub_dprintf ("bootp", "DHCPv6: code %u with insufficient length %u\n", code, len);
+ return;
+ }
+ if (!dhcp6->ia_addr)
+ {
+ dhcp6->ia_addr = grub_malloc (sizeof(*dhcp6->ia_addr));
+ dhcp6->ia_addr->type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
+ dhcp6->ia_addr->ipv6[0] = grub_get_unaligned64 (iaaddr->addr);
+ dhcp6->ia_addr->ipv6[1] = grub_get_unaligned64 (iaaddr->addr + 8);
+ dhcp6->preferred_lifetime = grub_be_to_cpu32 (iaaddr->preferred_lifetime);
+ dhcp6->valid_lifetime = grub_be_to_cpu32 (iaaddr->valid_lifetime);
+ }
+ }
+}
+
+static void
+parse_dhcp6_option (const struct grub_net_dhcp6_option *opt, void *data)
+{
+ grub_dhcp6_options_t dhcp6 = (grub_dhcp6_options_t)data;
+ grub_uint16_t code = grub_be_to_cpu16 (opt->code);
+ grub_uint16_t len = grub_be_to_cpu16 (opt->len);
+
+ switch (code)
+ {
+ case GRUB_NET_DHCP6_OPTION_CLIENTID:
+
+ if (dhcp6->client_duid || !len)
+ {
+ grub_dprintf ("bootp", "Skipped DHCPv6 CLIENTID with length %u\n", len);
+ break;
+ }
+ dhcp6->client_duid = grub_malloc (len);
+ grub_memcpy (dhcp6->client_duid, opt->data, len);
+ dhcp6->client_duid_len = len;
+ break;
+
+ case GRUB_NET_DHCP6_OPTION_SERVERID:
+
+ if (dhcp6->server_duid || !len)
+ {
+ grub_dprintf ("bootp", "Skipped DHCPv6 SERVERID with length %u\n", len);
+ break;
+ }
+ dhcp6->server_duid = grub_malloc (len);
+ grub_memcpy (dhcp6->server_duid, opt->data, len);
+ dhcp6->server_duid_len = len;
+ break;
+
+ case GRUB_NET_DHCP6_OPTION_IA_NA:
+ {
+ const struct grub_net_dhcp6_option_iana *ia_na;
+ grub_uint16_t data_len;
+
+ if (dhcp6->iaid || len < sizeof (*ia_na))
+ {
+ grub_dprintf ("bootp", "Skipped DHCPv6 IA_NA with length %u\n", len);
+ break;
+ }
+ ia_na = (const struct grub_net_dhcp6_option_iana *)opt->data;
+ dhcp6->iaid = grub_be_to_cpu32 (ia_na->iaid);
+ dhcp6->t1 = grub_be_to_cpu32 (ia_na->t1);
+ dhcp6->t2 = grub_be_to_cpu32 (ia_na->t2);
+
+ data_len = len - sizeof (*ia_na);
+ if (data_len)
+ foreach_dhcp6_option ((const struct grub_net_dhcp6_option *)ia_na->data, data_len, parse_dhcp6_iaaddr, dhcp6);
+ }
+ break;
+
+ case GRUB_NET_DHCP6_OPTION_DNS_SERVERS:
+ {
+ const grub_uint8_t *po;
+ grub_uint16_t ln;
+ grub_net_network_level_address_t *la;
+
+ if (!len || len & 0xf)
+ {
+ grub_dprintf ("bootp", "Skip invalid length DHCPv6 DNS_SERVERS \n");
+ break;
+ }
+ dhcp6->num_dns_server = ln = len >> 4;
+ dhcp6->dns_server_addrs = la = grub_zalloc (ln * sizeof (*la));
+
+ for (po = opt->data; ln > 0; po += 0x10, la++, ln--)
+ {
+ la->type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
+ la->ipv6[0] = grub_get_unaligned64 (po);
+ la->ipv6[1] = grub_get_unaligned64 (po + 8);
+ la->option = DNS_OPTION_PREFER_IPV6;
+ }
+ }
+ break;
+
+ case GRUB_NET_DHCP6_OPTION_BOOTFILE_URL:
+ dissect_url ((const char *)opt->data,
+ &dhcp6->boot_file_proto,
+ &dhcp6->boot_file_server_ip,
+ &dhcp6->boot_file_path);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void
+foreach_dhcp6_option (const struct grub_net_dhcp6_option *opt, grub_size_t size, dhcp6_option_hook_fn hook, void *hook_data)
+{
+ while (size)
+ {
+ grub_uint16_t code, len;
+
+ if (size < sizeof (*opt))
+ {
+ grub_dprintf ("bootp", "DHCPv6: Options stopped with remaining size %" PRIxGRUB_SIZE "\n", size);
+ break;
+ }
+ size -= sizeof (*opt);
+ len = grub_be_to_cpu16 (opt->len);
+ code = grub_be_to_cpu16 (opt->code);
+ if (size < len)
+ {
+ grub_dprintf ("bootp", "DHCPv6: Options stopped at out of bound length %u for option %u\n", len, code);
+ break;
+ }
+ if (!len)
+ {
+ grub_dprintf ("bootp", "DHCPv6: Options stopped at zero length option %u\n", code);
+ break;
+ }
+ else
+ {
+ if (hook)
+ hook (opt, hook_data);
+ size -= len;
+ opt = (const struct grub_net_dhcp6_option *)((grub_uint8_t *)opt + len + sizeof (*opt));
+ }
+ }
+}
+
+static grub_dhcp6_options_t
+grub_dhcp6_options_get (const struct grub_net_dhcp6_packet *v6h,
+ grub_size_t size)
+{
+ grub_dhcp6_options_t options;
+
+ if (size < sizeof (*v6h))
+ {
+ grub_error (GRUB_ERR_OUT_OF_RANGE, N_("DHCPv6 packet size too small"));
+ return NULL;
+ }
+
+ options = grub_zalloc (sizeof(*options));
+ if (!options)
+ return NULL;
+
+ foreach_dhcp6_option ((const struct grub_net_dhcp6_option *)v6h->dhcp_options,
+ size - sizeof (*v6h), parse_dhcp6_option, options);
+
+ return options;
+}
+
+static void
+grub_dhcp6_options_free (grub_dhcp6_options_t options)
+{
+ if (options->client_duid)
+ grub_free (options->client_duid);
+ if (options->server_duid)
+ grub_free (options->server_duid);
+ if (options->ia_addr)
+ grub_free (options->ia_addr);
+ if (options->dns_server_addrs)
+ grub_free (options->dns_server_addrs);
+ if (options->boot_file_proto)
+ grub_free (options->boot_file_proto);
+ if (options->boot_file_server_ip)
+ grub_free (options->boot_file_server_ip);
+ if (options->boot_file_path)
+ grub_free (options->boot_file_path);
+
+ grub_free (options);
+}
+
+static grub_dhcp6_session_t grub_dhcp6_sessions;
+#define FOR_DHCP6_SESSIONS_SAFE(var, next) FOR_LIST_ELEMENTS_SAFE (var, next, grub_dhcp6_sessions)
+#define FOR_DHCP6_SESSIONS(var) FOR_LIST_ELEMENTS (var, grub_dhcp6_sessions)
+
+static void
+grub_net_configure_by_dhcp6_info (const char *name,
+ struct grub_net_card *card,
+ grub_dhcp6_options_t dhcp6,
+ int is_def,
+ int flags,
+ struct grub_net_network_level_interface **ret_inf)
+{
+ grub_net_network_level_netaddress_t netaddr;
+ struct grub_net_network_level_interface *inf;
+
+ if (dhcp6->ia_addr)
+ {
+ inf = grub_net_add_addr (name, card, dhcp6->ia_addr, &card->default_address, flags);
+
+ netaddr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
+ netaddr.ipv6.base[0] = dhcp6->ia_addr->ipv6[0];
+ netaddr.ipv6.base[1] = 0;
+ netaddr.ipv6.masksize = 64;
+ grub_net_add_route (name, netaddr, inf);
+
+ if (ret_inf)
+ *ret_inf = inf;
+ }
+
+ if (dhcp6->dns_server_addrs)
+ {
+ grub_uint16_t i;
+
+ for (i = 0; i < dhcp6->num_dns_server; ++i)
+ grub_net_add_dns_server (dhcp6->dns_server_addrs + i);
+ }
+
+ if (dhcp6->boot_file_path)
+ grub_env_set_net_property (name, "boot_file", dhcp6->boot_file_path,
+ grub_strlen (dhcp6->boot_file_path));
+
+ if (is_def && dhcp6->boot_file_server_ip)
+ {
+ grub_net_default_server = grub_strdup (dhcp6->boot_file_server_ip);
+ grub_env_set ("net_default_interface", name);
+ grub_env_export ("net_default_interface");
+ }
+}
+
+static void
+grub_dhcp6_session_add (struct grub_net_network_level_interface *iface,
+ grub_uint32_t iaid)
+{
+ grub_dhcp6_session_t se;
+ struct grub_datetime date;
+ grub_err_t err;
+ grub_int32_t t = 0;
+
+ se = grub_malloc (sizeof (*se));
+
+ err = grub_get_datetime (&date);
+ if (err || !grub_datetime2unixtime (&date, &t))
+ {
+ grub_errno = GRUB_ERR_NONE;
+ t = 0;
+ }
+
+ se->iface = iface;
+ se->iaid = iaid;
+ se->transaction_id = t;
+ se->start_time = grub_get_time_ms ();
+ se->duid.type = grub_cpu_to_be16_compile_time (3) ;
+ se->duid.hw_type = grub_cpu_to_be16_compile_time (1);
+ grub_memcpy (&se->duid.hwaddr, &iface->hwaddress.mac, sizeof (se->duid.hwaddr));
+ se->adv = NULL;
+ se->reply = NULL;
+ grub_list_push (GRUB_AS_LIST_P (&grub_dhcp6_sessions), GRUB_AS_LIST (se));
+}
+
+static void
+grub_dhcp6_session_remove (grub_dhcp6_session_t se)
+{
+ grub_list_remove (GRUB_AS_LIST (se));
+ if (se->adv)
+ grub_dhcp6_options_free (se->adv);
+ if (se->reply)
+ grub_dhcp6_options_free (se->reply);
+ grub_free (se);
+}
+
+static void
+grub_dhcp6_session_remove_all (void)
+{
+ grub_dhcp6_session_t se, next;
+
+ FOR_DHCP6_SESSIONS_SAFE (se, next)
+ {
+ grub_dhcp6_session_remove (se);
+ }
+ grub_dhcp6_sessions = NULL;
+}
+
+static grub_err_t
+grub_dhcp6_session_configure_network (grub_dhcp6_session_t se)
+{
+ char *name;
+
+ name = grub_xasprintf ("%s:dhcp6", se->iface->card->name);
+ if (!name)
+ return grub_errno;
+
+ grub_net_configure_by_dhcp6_info (name, se->iface->card, se->reply, 1, 0, 0);
+ grub_free (name);
+
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_dhcp6_session_send_request (grub_dhcp6_session_t se)
+{
+ struct grub_net_buff *nb;
+ struct grub_net_dhcp6_option *opt;
+ struct grub_net_dhcp6_packet *v6h;
+ struct grub_net_dhcp6_option_iana *ia_na;
+ struct grub_net_dhcp6_option_iaaddr *iaaddr;
+ struct udphdr *udph;
+ grub_net_network_level_address_t multicast;
+ grub_net_link_level_address_t ll_multicast;
+ grub_uint64_t elapsed;
+ struct grub_net_network_level_interface *inf = se->iface;
+ grub_dhcp6_options_t dhcp6 = se->adv;
+ grub_err_t err = GRUB_ERR_NONE;
+
+ multicast.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
+ multicast.ipv6[0] = grub_cpu_to_be64_compile_time (0xff02ULL << 48);
+ multicast.ipv6[1] = grub_cpu_to_be64_compile_time (0x10002ULL);
+
+ err = grub_net_link_layer_resolve (inf, &multicast, &ll_multicast);
+ if (err)
+ return err;
+
+ nb = grub_netbuff_alloc (GRUB_DHCP6_DEFAULT_NETBUFF_ALLOC_SIZE);
+
+ if (!nb)
+ return grub_errno;
+
+ err = grub_netbuff_reserve (nb, GRUB_DHCP6_DEFAULT_NETBUFF_ALLOC_SIZE);
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ err = grub_netbuff_push (nb, dhcp6->client_duid_len + sizeof (*opt));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+ opt = (struct grub_net_dhcp6_option *)nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_CLIENTID);
+ opt->len = grub_cpu_to_be16 (dhcp6->client_duid_len);
+ grub_memcpy (opt->data, dhcp6->client_duid , dhcp6->client_duid_len);
+
+ err = grub_netbuff_push (nb, dhcp6->server_duid_len + sizeof (*opt));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+ opt = (struct grub_net_dhcp6_option *)nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_SERVERID);
+ opt->len = grub_cpu_to_be16 (dhcp6->server_duid_len);
+ grub_memcpy (opt->data, dhcp6->server_duid , dhcp6->server_duid_len);
+
+ err = grub_netbuff_push (nb, sizeof (*ia_na) + sizeof (*opt));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ if (dhcp6->ia_addr)
+ {
+ err = grub_netbuff_push (nb, sizeof(*iaaddr) + sizeof (*opt));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+ }
+ opt = (struct grub_net_dhcp6_option *)nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_IA_NA);
+ opt->len = grub_cpu_to_be16 (sizeof (*ia_na));
+ if (dhcp6->ia_addr)
+ opt->len += grub_cpu_to_be16 (sizeof(*iaaddr) + sizeof (*opt));
+
+ ia_na = (struct grub_net_dhcp6_option_iana *)opt->data;
+ ia_na->iaid = grub_cpu_to_be32 (dhcp6->iaid);
+
+ ia_na->t1 = grub_cpu_to_be32 (dhcp6->t1);
+ ia_na->t2 = grub_cpu_to_be32 (dhcp6->t2);
+
+ if (dhcp6->ia_addr)
+ {
+ opt = (struct grub_net_dhcp6_option *)ia_na->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_IAADDR);
+ opt->len = grub_cpu_to_be16 (sizeof (*iaaddr));
+ iaaddr = (struct grub_net_dhcp6_option_iaaddr *)opt->data;
+ grub_set_unaligned64 (iaaddr->addr, dhcp6->ia_addr->ipv6[0]);
+ grub_set_unaligned64 (iaaddr->addr + 8, dhcp6->ia_addr->ipv6[1]);
+
+ iaaddr->preferred_lifetime = grub_cpu_to_be32 (dhcp6->preferred_lifetime);
+ iaaddr->valid_lifetime = grub_cpu_to_be32 (dhcp6->valid_lifetime);
+ }
+
+ err = grub_netbuff_push (nb, sizeof (*opt) + 2 * sizeof (grub_uint16_t));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ opt = (struct grub_net_dhcp6_option*) nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_ORO);
+ opt->len = grub_cpu_to_be16_compile_time (2 * sizeof (grub_uint16_t));
+ grub_set_unaligned16 (opt->data, grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_BOOTFILE_URL));
+ grub_set_unaligned16 (opt->data + 2, grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_DNS_SERVERS));
+
+ err = grub_netbuff_push (nb, sizeof (*opt) + sizeof (grub_uint16_t));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+ opt = (struct grub_net_dhcp6_option*) nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_ELAPSED_TIME);
+ opt->len = grub_cpu_to_be16_compile_time (sizeof (grub_uint16_t));
+
+ /* the time is expressed in hundredths of a second */
+ elapsed = grub_divmod64 (grub_get_time_ms () - se->start_time, 10, 0);
+
+ if (elapsed > 0xffff)
+ elapsed = 0xffff;
+
+ grub_set_unaligned16 (opt->data, grub_cpu_to_be16 ((grub_uint16_t)elapsed));
+
+ err = grub_netbuff_push (nb, sizeof (*v6h));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ v6h = (struct grub_net_dhcp6_packet *) nb->data;
+ v6h->message_type = GRUB_NET_DHCP6_REQUEST;
+ v6h->transaction_id = se->transaction_id;
+
+ err = grub_netbuff_push (nb, sizeof (*udph));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ udph = (struct udphdr *) nb->data;
+ udph->src = grub_cpu_to_be16_compile_time (DHCP6_CLIENT_PORT);
+ udph->dst = grub_cpu_to_be16_compile_time (DHCP6_SERVER_PORT);
+ udph->chksum = 0;
+ udph->len = grub_cpu_to_be16 (nb->tail - nb->data);
+
+ udph->chksum = grub_net_ip_transport_checksum (nb, GRUB_NET_IP_UDP,
+ &inf->address,
+ &multicast);
+ err = grub_net_send_ip_packet (inf, &multicast, &ll_multicast, nb,
+ GRUB_NET_IP_UDP);
+
+ grub_netbuff_free (nb);
+
+ return err;
+}
+
+struct grub_net_network_level_interface *
+grub_net_configure_by_dhcpv6_reply (const char *name,
+ struct grub_net_card *card,
+ grub_net_interface_flags_t flags,
+ const struct grub_net_dhcp6_packet *v6h,
+ grub_size_t size,
+ int is_def,
+ char **device, char **path)
+{
+ struct grub_net_network_level_interface *inf;
+ grub_dhcp6_options_t dhcp6;
+ int mask = -1;
+
+ dhcp6 = grub_dhcp6_options_get (v6h, size);
+ if (!dhcp6)
+ {
+ grub_print_error ();
+ return NULL;
+ }
+
+ grub_net_configure_by_dhcp6_info (name, card, dhcp6, is_def, flags, &inf);
+
+ if (device && dhcp6->boot_file_proto && dhcp6->boot_file_server_ip)
+ {
+ *device = grub_xasprintf ("%s,%s", dhcp6->boot_file_proto, dhcp6->boot_file_server_ip);
+ grub_print_error ();
+ }
+ if (path && dhcp6->boot_file_path)
+ {
+ *path = grub_strdup (dhcp6->boot_file_path);
+ grub_print_error ();
+ if (*path)
+ {
+ char *slash;
+ slash = grub_strrchr (*path, '/');
+ if (slash)
+ *slash = 0;
+ else
+ **path = 0;
+ }
+ }
+
+ grub_dhcp6_options_free (dhcp6);
+
+ if (inf)
+ grub_net_add_ipv6_local (inf, mask);
+
+ return inf;
+}
+
/*
* This is called directly from net/ip.c:handle_dgram(), because those
* BOOTP/DHCP packets are a bit special due to their improper
@@ -672,6 +1342,77 @@ grub_net_process_dhcp (struct grub_net_buff *nb,
}
}
+grub_err_t
+grub_net_process_dhcp6 (struct grub_net_buff *nb,
+ struct grub_net_card *card __attribute__ ((unused)))
+{
+ const struct grub_net_dhcp6_packet *v6h;
+ grub_dhcp6_session_t se;
+ grub_size_t size;
+ grub_dhcp6_options_t options;
+
+ v6h = (const struct grub_net_dhcp6_packet *) nb->data;
+ size = nb->tail - nb->data;
+
+ options = grub_dhcp6_options_get (v6h, size);
+ if (!options)
+ return grub_errno;
+
+ if (!options->client_duid || !options->server_duid || !options->ia_addr)
+ {
+ grub_dhcp6_options_free (options);
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, "Bad DHCPv6 Packet");
+ }
+
+ FOR_DHCP6_SESSIONS (se)
+ {
+ if (se->transaction_id == v6h->transaction_id &&
+ grub_memcmp (options->client_duid, &se->duid, sizeof (se->duid)) == 0 &&
+ se->iaid == options->iaid)
+ break;
+ }
+
+ if (!se)
+ {
+ grub_dprintf ("bootp", "DHCPv6 session not found\n");
+ grub_dhcp6_options_free (options);
+ return GRUB_ERR_NONE;
+ }
+
+ if (v6h->message_type == GRUB_NET_DHCP6_ADVERTISE)
+ {
+ if (se->adv)
+ {
+ grub_dprintf ("bootp", "Skipped DHCPv6 Advertised .. \n");
+ grub_dhcp6_options_free (options);
+ return GRUB_ERR_NONE;
+ }
+
+ se->adv = options;
+ return grub_dhcp6_session_send_request (se);
+ }
+ else if (v6h->message_type == GRUB_NET_DHCP6_REPLY)
+ {
+ if (!se->adv)
+ {
+ grub_dprintf ("bootp", "Skipped DHCPv6 Reply .. \n");
+ grub_dhcp6_options_free (options);
+ return GRUB_ERR_NONE;
+ }
+
+ se->reply = options;
+ grub_dhcp6_session_configure_network (se);
+ grub_dhcp6_session_remove (se);
+ return GRUB_ERR_NONE;
+ }
+ else
+ {
+ grub_dhcp6_options_free (options);
+ }
+
+ return GRUB_ERR_NONE;
+}
+
static grub_err_t
grub_cmd_dhcpopt (struct grub_command *cmd __attribute__ ((unused)),
int argc, char **args)
@@ -897,180 +1638,174 @@ grub_cmd_bootp (struct grub_command *cmd __attribute__ ((unused)),
return err;
}
-static grub_command_t cmd_getdhcp, cmd_bootp, cmd_dhcp;
-
-struct grub_net_network_level_interface *
-grub_net_configure_by_dhcpv6_ack (const char *name,
- struct grub_net_card *card,
- grub_net_interface_flags_t flags
- __attribute__((__unused__)),
- const grub_net_link_level_address_t *hwaddr,
- const struct grub_net_dhcpv6_packet *packet,
- int is_def, char **device, char **path)
+static grub_err_t
+grub_cmd_bootp6 (struct grub_command *cmd __attribute__ ((unused)),
+ int argc, char **args)
{
- struct grub_net_network_level_interface *inter = NULL;
- struct grub_net_network_level_address addr;
- int mask = -1;
+ struct grub_net_card *card;
+ grub_uint32_t iaid = 0;
+ int interval;
+ grub_err_t err;
+ grub_dhcp6_session_t se;
- if (!device || !path)
- return NULL;
+ err = GRUB_ERR_NONE;
- *device = 0;
- *path = 0;
+ FOR_NET_CARDS (card)
+ {
+ struct grub_net_network_level_interface *iface;
- grub_dprintf ("net", "mac address is %02x:%02x:%02x:%02x:%02x:%02x\n",
- hwaddr->mac[0], hwaddr->mac[1], hwaddr->mac[2],
- hwaddr->mac[3], hwaddr->mac[4], hwaddr->mac[5]);
+ if (argc > 0 && grub_strcmp (card->name, args[0]) != 0)
+ continue;
- if (is_def)
- grub_net_default_server = 0;
+ iface = grub_net_ipv6_get_link_local (card, &card->default_address);
+ if (!iface)
+ {
+ grub_dhcp6_session_remove_all ();
+ return grub_errno;
+ }
- if (is_def && !grub_net_default_server && packet)
+ grub_dhcp6_session_add (iface, iaid++);
+ }
+
+ for (interval = 200; interval < 10000; interval *= 2)
{
- const grub_uint8_t *options = packet->dhcp_options;
- unsigned int option_max = 1024 - OFFSET_OF (dhcp_options, packet);
- unsigned int i;
-
- for (i = 0; i < option_max - sizeof (grub_net_dhcpv6_option_t); )
- {
- grub_uint16_t num, len;
- grub_net_dhcpv6_option_t *opt =
- (grub_net_dhcpv6_option_t *)(options + i);
-
- num = grub_be_to_cpu16(opt->option_num);
- len = grub_be_to_cpu16(opt->option_len);
-
- grub_dprintf ("net", "got dhcpv6 option %d len %d\n", num, len);
-
- if (len == 0)
- break;
-
- if (len + i > 1024)
- break;
-
- if (num == GRUB_NET_DHCP6_BOOTFILE_URL)
- {
- char *scheme, *userinfo, *host, *file;
- char *tmp;
- int hostlen;
- int port;
- int rc = extract_url_info ((const char *)opt->option_data,
- (grub_size_t)len,
- &scheme, &userinfo, &host, &port,
- &file);
- if (rc < 0)
- continue;
-
- /* right now this only handles tftp. */
- if (grub_strcmp("tftp", scheme))
- {
- grub_free (scheme);
- grub_free (userinfo);
- grub_free (host);
- grub_free (file);
- continue;
- }
- grub_free (userinfo);
-
- hostlen = grub_strlen (host);
- if (hostlen > 2 && host[0] == '[' && host[hostlen-1] == ']')
- {
- tmp = host+1;
- host[hostlen-1] = '\0';
- }
- else
- tmp = host;
-
- *device = grub_xasprintf ("%s,%s", scheme, tmp);
- grub_free (scheme);
- grub_free (host);
-
- if (file && *file)
- {
- tmp = grub_strrchr (file, '/');
- if (tmp)
- *(tmp+1) = '\0';
- else
- file[0] = '\0';
- }
- else if (!file)
- file = grub_strdup ("");
-
- if (file[0] == '/')
- {
- *path = grub_strdup (file+1);
- grub_free (file);
- }
- else
- *path = file;
- }
- else if (num == GRUB_NET_DHCP6_IA_NA)
- {
- const grub_net_dhcpv6_option_t *ia_na_opt;
- const grub_net_dhcpv6_opt_ia_na_t *ia_na =
- (const grub_net_dhcpv6_opt_ia_na_t *)opt;
- unsigned int left = len - OFFSET_OF (options, ia_na);
- unsigned int j;
-
- if ((grub_uint8_t *)ia_na + left >
- (grub_uint8_t *)options + option_max)
- left -= ((grub_uint8_t *)ia_na + left)
- - ((grub_uint8_t *)options + option_max);
-
- if (len < OFFSET_OF (option_data, opt)
- + sizeof (grub_net_dhcpv6_option_t))
- {
- grub_dprintf ("net",
- "found dhcpv6 ia_na option with no address\n");
- continue;
- }
-
- for (j = 0; left > sizeof (grub_net_dhcpv6_option_t); )
- {
- ia_na_opt = (const grub_net_dhcpv6_option_t *)
- (ia_na->options + j);
- grub_uint16_t ia_na_opt_num, ia_na_opt_len;
-
- ia_na_opt_num = grub_be_to_cpu16 (ia_na_opt->option_num);
- ia_na_opt_len = grub_be_to_cpu16 (ia_na_opt->option_len);
- if (ia_na_opt_len == 0)
- break;
- if (j + ia_na_opt_len > left)
- break;
- if (ia_na_opt_num == GRUB_NET_DHCP6_IA_ADDRESS)
- {
- const grub_net_dhcpv6_opt_ia_address_t *ia_addr;
-
- ia_addr = (const grub_net_dhcpv6_opt_ia_address_t *)
- ia_na_opt;
- addr.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
- grub_memcpy(addr.ipv6, ia_addr->ipv6_address,
- sizeof (ia_addr->ipv6_address));
- inter = grub_net_add_addr (name, card, &addr, hwaddr, 0);
- }
-
- j += ia_na_opt_len;
- left -= ia_na_opt_len;
- }
- }
-
- i += len + 4;
- }
-
- grub_print_error ();
+ int done = 1;
+
+ FOR_DHCP6_SESSIONS (se)
+ {
+ struct grub_net_buff *nb;
+ struct grub_net_dhcp6_option *opt;
+ struct grub_net_dhcp6_packet *v6h;
+ struct grub_net_dhcp6_option_duid_ll *duid;
+ struct grub_net_dhcp6_option_iana *ia_na;
+ grub_net_network_level_address_t multicast;
+ grub_net_link_level_address_t ll_multicast;
+ struct udphdr *udph;
+
+ multicast.type = GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV6;
+ multicast.ipv6[0] = grub_cpu_to_be64_compile_time (0xff02ULL << 48);
+ multicast.ipv6[1] = grub_cpu_to_be64_compile_time (0x10002ULL);
+
+ err = grub_net_link_layer_resolve (se->iface,
+ &multicast, &ll_multicast);
+ if (err)
+ {
+ grub_dhcp6_session_remove_all ();
+ return err;
+ }
+
+ nb = grub_netbuff_alloc (GRUB_DHCP6_DEFAULT_NETBUFF_ALLOC_SIZE);
+
+ if (!nb)
+ {
+ grub_dhcp6_session_remove_all ();
+ return grub_errno;
+ }
+
+ err = grub_netbuff_reserve (nb, GRUB_DHCP6_DEFAULT_NETBUFF_ALLOC_SIZE);
+ if (err)
+ {
+ grub_dhcp6_session_remove_all ();
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ err = grub_netbuff_push (nb, sizeof (*opt) + sizeof (grub_uint16_t));
+ if (err)
+ {
+ grub_dhcp6_session_remove_all ();
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ opt = (struct grub_net_dhcp6_option *)nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_ELAPSED_TIME);
+ opt->len = grub_cpu_to_be16_compile_time (sizeof (grub_uint16_t));
+ grub_set_unaligned16 (opt->data, 0);
+
+ err = grub_netbuff_push (nb, sizeof (*opt) + sizeof (*duid));
+ if (err)
+ {
+ grub_dhcp6_session_remove_all ();
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ opt = (struct grub_net_dhcp6_option *)nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_CLIENTID);
+ opt->len = grub_cpu_to_be16 (sizeof (*duid));
+
+ duid = (struct grub_net_dhcp6_option_duid_ll *) opt->data;
+ grub_memcpy (duid, &se->duid, sizeof (*duid));
+
+ err = grub_netbuff_push (nb, sizeof (*opt) + sizeof (*ia_na));
+ if (err)
+ {
+ grub_dhcp6_session_remove_all ();
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ opt = (struct grub_net_dhcp6_option *)nb->data;
+ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_IA_NA);
+ opt->len = grub_cpu_to_be16 (sizeof (*ia_na));
+ ia_na = (struct grub_net_dhcp6_option_iana *)opt->data;
+ ia_na->iaid = grub_cpu_to_be32 (se->iaid);
+ ia_na->t1 = 0;
+ ia_na->t2 = 0;
+
+ err = grub_netbuff_push (nb, sizeof (*v6h));
+ if (err)
+ {
+ grub_dhcp6_session_remove_all ();
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ v6h = (struct grub_net_dhcp6_packet *)nb->data;
+ v6h->message_type = GRUB_NET_DHCP6_SOLICIT;
+ v6h->transaction_id = se->transaction_id;
+
+ grub_netbuff_push (nb, sizeof (*udph));
+
+ udph = (struct udphdr *) nb->data;
+ udph->src = grub_cpu_to_be16_compile_time (DHCP6_CLIENT_PORT);
+ udph->dst = grub_cpu_to_be16_compile_time (DHCP6_SERVER_PORT);
+ udph->chksum = 0;
+ udph->len = grub_cpu_to_be16 (nb->tail - nb->data);
+
+ udph->chksum = grub_net_ip_transport_checksum (nb, GRUB_NET_IP_UDP,
+ &se->iface->address, &multicast);
+
+ err = grub_net_send_ip_packet (se->iface, &multicast,
+ &ll_multicast, nb, GRUB_NET_IP_UDP);
+ done = 0;
+ grub_netbuff_free (nb);
+
+ if (err)
+ {
+ grub_dhcp6_session_remove_all ();
+ return err;
+ }
+ }
+ if (!done)
+ grub_net_poll_cards (interval, 0);
}
- if (is_def)
+ FOR_DHCP6_SESSIONS (se)
{
- grub_env_set ("net_default_interface", name);
- grub_env_export ("net_default_interface");
+ grub_error_push ();
+ err = grub_error (GRUB_ERR_FILE_NOT_FOUND,
+ N_("couldn't autoconfigure %s"),
+ se->iface->card->name);
}
- if (inter)
- grub_net_add_ipv6_local (inter, mask);
- return inter;
+ grub_dhcp6_session_remove_all ();
+
+ return err;
}
+static grub_command_t cmd_getdhcp, cmd_bootp, cmd_dhcp, cmd_bootp6;
void
grub_bootp_init (void)
@@ -1084,11 +1819,15 @@ grub_bootp_init (void)
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."));
+ cmd_bootp6 = grub_register_command ("net_bootp6", grub_cmd_bootp6,
+ N_("[CARD]"),
+ N_("perform a DHCPv6 autoconfiguration"));
}
void
grub_bootp_fini (void)
{
+ grub_unregister_command (cmd_bootp6);
grub_unregister_command (cmd_getdhcp);
grub_unregister_command (cmd_bootp);
grub_unregister_command (cmd_dhcp);
diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c
index a673bea807a..8e25680db0c 100644
--- a/grub-core/net/drivers/efi/efinet.c
+++ b/grub-core/net/drivers/efi/efinet.c
@@ -393,9 +393,6 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
pxe_mode = pxe->mode;
if (pxe_mode->using_ipv6)
{
- grub_net_link_level_address_t hwaddr;
- struct grub_net_network_level_interface *intf;
-
grub_dprintf ("efinet", "using ipv6 and dhcpv6\n");
grub_dprintf ("efinet", "dhcp_ack_received: %s%s\n",
pxe_mode->dhcp_ack_received ? "yes" : "no",
@@ -403,15 +400,14 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device,
if (!pxe_mode->dhcp_ack_received)
continue;
- hwaddr.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET;
- grub_memcpy (hwaddr.mac,
- card->efi_net->mode->current_address,
- sizeof (hwaddr.mac));
-
- intf = grub_net_configure_by_dhcpv6_ack (card->name, card, 0, &hwaddr,
- (const struct grub_net_dhcpv6_packet *)&pxe_mode->dhcp_ack.dhcpv6,
- 1, device, path);
- if (intf && device && path)
+ grub_net_configure_by_dhcpv6_reply (card->name, card, 0,
+ (struct grub_net_dhcp6_packet *)
+ &pxe_mode->dhcp_ack,
+ sizeof (pxe_mode->dhcp_ack),
+ 1, device, path);
+ if (grub_errno)
+ grub_print_error ();
+ if (device && path)
grub_dprintf ("efinet", "device: `%s' path: `%s'\n", *device, *path);
}
else
diff --git a/grub-core/net/ip.c b/grub-core/net/ip.c
index a5896f6dc26..ce6bdc75c6d 100644
--- a/grub-core/net/ip.c
+++ b/grub-core/net/ip.c
@@ -239,6 +239,45 @@ handle_dgram (struct grub_net_buff *nb,
{
struct udphdr *udph;
udph = (struct udphdr *) nb->data;
+
+ if (proto == GRUB_NET_IP_UDP && udph->dst == grub_cpu_to_be16_compile_time (DHCP6_CLIENT_PORT))
+ {
+ if (udph->chksum)
+ {
+ grub_uint16_t chk, expected;
+ chk = udph->chksum;
+ udph->chksum = 0;
+ expected = grub_net_ip_transport_checksum (nb,
+ GRUB_NET_IP_UDP,
+ source,
+ dest);
+ if (expected != chk)
+ {
+ grub_dprintf ("net", "Invalid UDP checksum. "
+ "Expected %x, got %x\n",
+ grub_be_to_cpu16 (expected),
+ grub_be_to_cpu16 (chk));
+ grub_netbuff_free (nb);
+ return GRUB_ERR_NONE;
+ }
+ udph->chksum = chk;
+ }
+
+ err = grub_netbuff_pull (nb, sizeof (*udph));
+ if (err)
+ {
+ grub_netbuff_free (nb);
+ return err;
+ }
+
+ err = grub_net_process_dhcp6 (nb, card);
+ if (err)
+ grub_print_error ();
+
+ grub_netbuff_free (nb);
+ return GRUB_ERR_NONE;
+ }
+
if (proto == GRUB_NET_IP_UDP && grub_be_to_cpu16 (udph->dst) == 68)
{
const struct grub_net_bootp_packet *bootp;
diff --git a/include/grub/efi/api.h b/include/grub/efi/api.h
index 99628801478..7614b58dca8 100644
--- a/include/grub/efi/api.h
+++ b/include/grub/efi/api.h
@@ -1532,7 +1532,7 @@ typedef struct grub_efi_pxe_ip_filter
{
grub_efi_uint8_t filters;
grub_efi_uint8_t ip_count;
- grub_efi_uint8_t reserved;
+ grub_efi_uint16_t reserved;
grub_efi_ip_address_t ip_list[GRUB_EFI_PXE_MAX_IPCNT];
} grub_efi_pxe_ip_filter_t;
diff --git a/include/grub/net.h b/include/grub/net.h
index d55d505a03a..543251f7273 100644
--- a/include/grub/net.h
+++ b/include/grub/net.h
@@ -451,50 +451,65 @@ struct grub_net_bootp_packet
grub_uint8_t vendor[0];
} GRUB_PACKED;
-enum
- {
- GRUB_NET_DHCP6_IA_NA = 3,
- GRUB_NET_DHCP6_IA_ADDRESS = 5,
- GRUB_NET_DHCP6_BOOTFILE_URL = 59,
- };
-
-struct grub_net_dhcpv6_option
+struct grub_net_dhcp6_packet
{
- grub_uint16_t option_num;
- grub_uint16_t option_len;
- grub_uint8_t option_data[];
+ grub_uint32_t message_type:8;
+ grub_uint32_t transaction_id:24;
+ grub_uint8_t dhcp_options[0];
} GRUB_PACKED;
-typedef struct grub_net_dhcpv6_option grub_net_dhcpv6_option_t;
-struct grub_net_dhcpv6_opt_ia_na
-{
- grub_uint16_t option_num;
- grub_uint16_t option_len;
+struct grub_net_dhcp6_option {
+ grub_uint16_t code;
+ grub_uint16_t len;
+ grub_uint8_t data[0];
+} GRUB_PACKED;
+
+struct grub_net_dhcp6_option_iana {
grub_uint32_t iaid;
grub_uint32_t t1;
grub_uint32_t t2;
- grub_uint8_t options[];
+ grub_uint8_t data[0];
} GRUB_PACKED;
-typedef struct grub_net_dhcpv6_opt_ia_na grub_net_dhcpv6_opt_ia_na_t;
-struct grub_net_dhcpv6_opt_ia_address
-{
- grub_uint16_t option_num;
- grub_uint16_t option_len;
- grub_uint64_t ipv6_address[2];
+struct grub_net_dhcp6_option_iaaddr {
+ grub_uint8_t addr[16];
grub_uint32_t preferred_lifetime;
grub_uint32_t valid_lifetime;
- grub_uint8_t options[];
+ grub_uint8_t data[0];
} GRUB_PACKED;
-typedef struct grub_net_dhcpv6_opt_ia_address grub_net_dhcpv6_opt_ia_address_t;
-struct grub_net_dhcpv6_packet
+struct grub_net_dhcp6_option_duid_ll
{
- grub_uint32_t message_type:8;
- grub_uint32_t transaction_id:24;
- grub_uint8_t dhcp_options[1024];
+ grub_uint16_t type;
+ grub_uint16_t hw_type;
+ grub_uint8_t hwaddr[6];
} GRUB_PACKED;
-typedef struct grub_net_dhcpv6_packet grub_net_dhcpv6_packet_t;
+
+enum
+ {
+ GRUB_NET_DHCP6_SOLICIT = 1,
+ GRUB_NET_DHCP6_ADVERTISE = 2,
+ GRUB_NET_DHCP6_REQUEST = 3,
+ GRUB_NET_DHCP6_REPLY = 7
+ };
+
+enum
+ {
+ DHCP6_CLIENT_PORT = 546,
+ DHCP6_SERVER_PORT = 547
+ };
+
+enum
+ {
+ GRUB_NET_DHCP6_OPTION_CLIENTID = 1,
+ GRUB_NET_DHCP6_OPTION_SERVERID = 2,
+ GRUB_NET_DHCP6_OPTION_IA_NA = 3,
+ GRUB_NET_DHCP6_OPTION_IAADDR = 5,
+ GRUB_NET_DHCP6_OPTION_ORO = 6,
+ GRUB_NET_DHCP6_OPTION_ELAPSED_TIME = 8,
+ GRUB_NET_DHCP6_OPTION_DNS_SERVERS = 23,
+ GRUB_NET_DHCP6_OPTION_BOOTFILE_URL = 59
+ };
#define GRUB_NET_BOOTP_RFC1048_MAGIC_0 0x63
#define GRUB_NET_BOOTP_RFC1048_MAGIC_1 0x82
@@ -532,12 +547,12 @@ grub_net_configure_by_dhcp_ack (const char *name,
int is_def, char **device, char **path);
struct grub_net_network_level_interface *
-grub_net_configure_by_dhcpv6_ack (const char *name,
- struct grub_net_card *card,
- grub_net_interface_flags_t flags,
- const grub_net_link_level_address_t *hwaddr,
- const struct grub_net_dhcpv6_packet *packet,
- int is_def, char **device, char **path);
+grub_net_configure_by_dhcpv6_reply (const char *name,
+ struct grub_net_card *card,
+ grub_net_interface_flags_t flags,
+ const struct grub_net_dhcp6_packet *v6,
+ grub_size_t size,
+ int is_def, char **device, char **path);
int
grub_ipv6_get_masksize(grub_uint16_t *mask);
@@ -554,6 +569,10 @@ void
grub_net_process_dhcp (struct grub_net_buff *nb,
struct grub_net_network_level_interface *iface);
+grub_err_t
+grub_net_process_dhcp6 (struct grub_net_buff *nb,
+ struct grub_net_card *card);
+
int
grub_net_hwaddr_cmp (const grub_net_link_level_address_t *a,
const grub_net_link_level_address_t *b);
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