diff --git a/0001-dns-fix-buffer-overflow-for-data-addresses-in-recv_h.patch b/0001-dns-fix-buffer-overflow-for-data-addresses-in-recv_h.patch new file mode 100644 index 0000000..f511653 --- /dev/null +++ b/0001-dns-fix-buffer-overflow-for-data-addresses-in-recv_h.patch @@ -0,0 +1,43 @@ +From 52408aa94604466bdd80f48fa8d68378a1ffab31 Mon Sep 17 00:00:00 2001 +From: Andrei Borzenkov +Date: Tue, 26 Jul 2016 20:38:58 +0300 +Subject: [PATCH] dns: fix buffer overflow for data->addresses in recv_hook + +We may get more than one response before exiting out of loop in +grub_net_dns_lookup, but buffer was allocated for the first response only, +so storing answers from subsequent replies wrote past allocated size. +We never really use more than the very first address during lookup so there +is little point in collecting all of them. Just quit early if we already have +some reply. + +Code needs serious redesign to actually collect multiple answers +and select the best fit according to requested type (IPv4 or IPv6). + +Reported and tested by Michael Chang +--- + grub-core/net/dns.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/grub-core/net/dns.c b/grub-core/net/dns.c +index 89741dd..5d9afe0 100644 +--- a/grub-core/net/dns.c ++++ b/grub-core/net/dns.c +@@ -238,6 +238,15 @@ recv_hook (grub_net_udp_socket_t sock __attribute__ ((unused)), + char *redirect_save = NULL; + grub_uint32_t ttl_all = ~0U; + ++ /* Code apparently assumed that only one packet is received as response. ++ We may get multiple responses due to network condition, so check here ++ and quit early. */ ++ if (*data->addresses) ++ { ++ grub_netbuff_free (nb); ++ return GRUB_ERR_NONE; ++ } ++ + head = (struct dns_header *) nb->data; + ptr = (grub_uint8_t *) (head + 1); + if (ptr >= nb->tail) +-- +2.6.6 + diff --git a/0001-misc-fix-invalid-character-recongition-in-strto-l.patch b/0001-misc-fix-invalid-character-recongition-in-strto-l.patch new file mode 100644 index 0000000..a54e3d3 --- /dev/null +++ b/0001-misc-fix-invalid-character-recongition-in-strto-l.patch @@ -0,0 +1,37 @@ +From 0155e49166494624e9fb6ef113ed2c16d4accbb3 Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Fri, 29 Jul 2016 17:41:27 +0800 +Subject: [PATCH 1/8] misc: fix invalid character recongition in strto*l + +From: Aaron Miller + +Would previously allow digits larger than the base and didn't check that +subtracting the difference from 0-9 to lowercase letters for characters +larger than 9 didn't result in a value lower than 9, which allowed the +parses: ` = 9, _ = 8, ^ = 7, ] = 6, \ = 5, and [ = 4 +--- + grub-core/kern/misc.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c +index d1a54df..3a14d67 100644 +--- a/grub-core/kern/misc.c ++++ b/grub-core/kern/misc.c +@@ -394,9 +394,13 @@ grub_strtoull (const char *str, char **end, int base) + if (digit > 9) + { + digit += '0' - 'a' + 10; +- if (digit >= (unsigned long) base) ++ /* digit <= 9 check is needed to keep chars larger than ++ '9' but less than 'a' from being read as numbers */ ++ if (digit >= (unsigned long) base || digit <= 9) + break; + } ++ if (digit >= (unsigned long) base) ++ break; + + found = 1; + +-- +2.6.6 + diff --git a/0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch b/0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch new file mode 100644 index 0000000..35b1aa4 --- /dev/null +++ b/0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch @@ -0,0 +1,250 @@ +From 4a00be0176a459fa6e199f2709eabbe8dc0d7979 Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Fri, 29 Jul 2016 17:41:38 +0800 +Subject: [PATCH 2/8] net: read bracketed ipv6 addrs and port numbers + +From: Aaron Miller + +Allow specifying port numbers for http and tftp paths, and allow ipv6 addresses +to be recognized with brackets around them, which is required to specify a port +number +--- + grub-core/net/http.c | 21 ++++++++++--- + grub-core/net/net.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++--- + grub-core/net/tftp.c | 6 +++- + include/grub/net.h | 1 + + 4 files changed, 104 insertions(+), 10 deletions(-) + +diff --git a/grub-core/net/http.c b/grub-core/net/http.c +index 5aa4ad3..f182d7b 100644 +--- a/grub-core/net/http.c ++++ b/grub-core/net/http.c +@@ -312,12 +312,14 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial) + int i; + struct grub_net_buff *nb; + grub_err_t err; ++ char* server = file->device->net->server; ++ int port = file->device->net->port; + + nb = grub_netbuff_alloc (GRUB_NET_TCP_RESERVE_SIZE + + sizeof ("GET ") - 1 + + grub_strlen (data->filename) + + sizeof (" HTTP/1.1\r\nHost: ") - 1 +- + grub_strlen (file->device->net->server) ++ + grub_strlen (server) + sizeof (":XXXXXXXXXX") + + sizeof ("\r\nUser-Agent: " PACKAGE_STRING + "\r\n") - 1 + + sizeof ("Range: bytes=XXXXXXXXXXXXXXXXXXXX" +@@ -356,7 +358,7 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial) + sizeof (" HTTP/1.1\r\nHost: ") - 1); + + ptr = nb->tail; +- err = grub_netbuff_put (nb, grub_strlen (file->device->net->server)); ++ err = grub_netbuff_put (nb, grub_strlen (server)); + if (err) + { + grub_netbuff_free (nb); +@@ -365,6 +367,15 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial) + grub_memcpy (ptr, file->device->net->server, + grub_strlen (file->device->net->server)); + ++ if (port) ++ { ++ ptr = nb->tail; ++ grub_snprintf ((char *) ptr, ++ sizeof (":XXXXXXXXXX"), ++ ":%d", ++ port); ++ } ++ + ptr = nb->tail; + err = grub_netbuff_put (nb, + sizeof ("\r\nUser-Agent: " PACKAGE_STRING "\r\n") +@@ -390,8 +401,10 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial) + grub_netbuff_put (nb, 2); + grub_memcpy (ptr, "\r\n", 2); + +- data->sock = grub_net_tcp_open (file->device->net->server, +- HTTP_PORT, http_receive, ++ grub_dprintf ("http", "opening path %s on host %s TCP port %d\n", ++ data->filename, server, port ? port : HTTP_PORT); ++ data->sock = grub_net_tcp_open (server, ++ port ? port : HTTP_PORT, http_receive, + http_err, http_err, + file); + if (!data->sock) +diff --git a/grub-core/net/net.c b/grub-core/net/net.c +index 10773fc..5cc0d2f 100644 +--- a/grub-core/net/net.c ++++ b/grub-core/net/net.c +@@ -437,6 +437,12 @@ parse_ip6 (const char *val, grub_uint64_t *ip, const char **rest) + grub_uint16_t newip[8]; + const char *ptr = val; + int word, quaddot = -1; ++ int bracketed = 0; ++ ++ if (ptr[0] == '[') { ++ bracketed = 1; ++ ptr++; ++ } + + if (ptr[0] == ':' && ptr[1] != ':') + return 0; +@@ -475,6 +481,9 @@ parse_ip6 (const char *val, grub_uint64_t *ip, const char **rest) + grub_memset (&newip[quaddot], 0, (7 - word) * sizeof (newip[0])); + } + grub_memcpy (ip, newip, 16); ++ if (bracketed && *ptr == ']') { ++ ptr++; ++ } + if (rest) + *rest = ptr; + return 1; +@@ -1260,8 +1269,10 @@ grub_net_open_real (const char *name) + { + grub_net_app_level_t proto; + const char *protname, *server; ++ char *host; + grub_size_t protnamelen; + int try; ++ int port = 0; + + if (grub_strncmp (name, "pxe:", sizeof ("pxe:") - 1) == 0) + { +@@ -1299,6 +1310,72 @@ grub_net_open_real (const char *name) + return NULL; + } + ++ char* port_start; ++ /* ipv6 or port specified? */ ++ if ((port_start = grub_strchr (server, ':'))) ++ { ++ char* ipv6_begin; ++ if((ipv6_begin = grub_strchr (server, '['))) ++ { ++ char* ipv6_end = grub_strchr (server, ']'); ++ if(!ipv6_end) ++ { ++ grub_error (GRUB_ERR_NET_BAD_ADDRESS, ++ N_("mismatched [ in address")); ++ return NULL; ++ } ++ /* port number after bracketed ipv6 addr */ ++ if(ipv6_end[1] == ':') ++ { ++ port = grub_strtoul (ipv6_end + 2, NULL, 10); ++ if(port > 65535) ++ { ++ grub_error (GRUB_ERR_NET_BAD_ADDRESS, ++ N_("bad port number")); ++ return NULL; ++ } ++ } ++ host = grub_strndup (ipv6_begin, (ipv6_end - ipv6_begin) + 1); ++ } ++ else ++ { ++ if (grub_strchr (port_start + 1, ':')) ++ { ++ int iplen = grub_strlen (server); ++ /* bracket bare ipv6 addrs */ ++ host = grub_malloc (iplen + 3); ++ if(!host) ++ { ++ return NULL; ++ } ++ host[0] = '['; ++ grub_memcpy (host + 1, server, iplen); ++ host[iplen + 1] = ']'; ++ host[iplen + 2] = '\0'; ++ } ++ else ++ { ++ /* hostname:port or ipv4:port */ ++ port = grub_strtol (port_start + 1, NULL, 10); ++ if(port > 65535) ++ { ++ grub_error (GRUB_ERR_NET_BAD_ADDRESS, ++ N_("bad port number")); ++ return NULL; ++ } ++ host = grub_strndup (server, port_start - server); ++ } ++ } ++ } ++ else ++ { ++ host = grub_strdup (server); ++ } ++ if (!host) ++ { ++ return NULL; ++ } ++ + for (try = 0; try < 2; try++) + { + FOR_NET_APP_LEVEL (proto) +@@ -1308,14 +1385,13 @@ grub_net_open_real (const char *name) + { + grub_net_t ret = grub_zalloc (sizeof (*ret)); + if (!ret) +- return NULL; +- ret->protocol = proto; +- ret->server = grub_strdup (server); +- if (!ret->server) + { +- grub_free (ret); ++ grub_free (host); + return NULL; + } ++ ret->protocol = proto; ++ ret->port = port; ++ ret->server = host; + ret->fs = &grub_net_fs; + return ret; + } +diff --git a/grub-core/net/tftp.c b/grub-core/net/tftp.c +index 7d90bf6..a0817a0 100644 +--- a/grub-core/net/tftp.c ++++ b/grub-core/net/tftp.c +@@ -314,6 +314,7 @@ tftp_open (struct grub_file *file, const char *filename) + grub_err_t err; + grub_uint8_t *nbd; + grub_net_network_level_address_t addr; ++ int port = file->device->net->port; + + data = grub_zalloc (sizeof (*data)); + if (!data) +@@ -382,13 +383,16 @@ tftp_open (struct grub_file *file, const char *filename) + err = grub_net_resolve_address (file->device->net->server, &addr); + if (err) + { ++ grub_dprintf ("tftp", "file_size is %llu, block_size is %llu\n", ++ (unsigned long long)data->file_size, ++ (unsigned long long)data->block_size); + destroy_pq (data); + grub_free (data); + return err; + } + + data->sock = grub_net_udp_open (addr, +- TFTP_SERVER_PORT, tftp_receive, ++ port ? port : TFTP_SERVER_PORT, tftp_receive, + file); + if (!data->sock) + { +diff --git a/include/grub/net.h b/include/grub/net.h +index 2192fa1..ccc169c 100644 +--- a/include/grub/net.h ++++ b/include/grub/net.h +@@ -270,6 +270,7 @@ typedef struct grub_net + { + char *server; + char *name; ++ int port; + grub_net_app_level_t protocol; + grub_net_packets_t packs; + grub_off_t offset; +-- +2.6.6 + diff --git a/0003-bootp-New-net_bootp6-command.patch b/0003-bootp-New-net_bootp6-command.patch new file mode 100644 index 0000000..79edd45 --- /dev/null +++ b/0003-bootp-New-net_bootp6-command.patch @@ -0,0 +1,1118 @@ +From f6c8c7985fd88fc89cd49227c9e74feaf58cfdd6 Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Sun, 10 Jul 2016 23:46:06 +0800 +Subject: [PATCH 3/8] 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 +Signed-off-by: Ken Lin +--- + grub-core/net/bootp.c | 908 +++++++++++++++++++++++++++++++++++++++++++++++++- + grub-core/net/ip.c | 39 +++ + include/grub/net.h | 72 ++++ + 3 files changed, 1018 insertions(+), 1 deletion(-) + +diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c +index 189551a..81173b4 100644 +--- a/grub-core/net/bootp.c ++++ b/grub-core/net/bootp.c +@@ -24,6 +24,98 @@ + #include + #include + #include ++#include ++#include ++ ++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; ++} + + static void + parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask) +@@ -266,6 +358,578 @@ grub_net_configure_by_dhcp_ack (const char *name, + return inter; + } + ++/* 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(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; ++ ++ FOR_DHCP6_SESSIONS (se) ++ { ++ grub_dhcp6_session_remove (se); ++ se = grub_dhcp6_sessions; ++ } ++} ++ ++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; ++ ++ 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); ++ return inf; ++} ++ + void + grub_net_process_dhcp (struct grub_net_buff *nb, + struct grub_net_card *card) +@@ -298,6 +962,77 @@ 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 char + hexdigit (grub_uint8_t val) + { +@@ -578,7 +1313,174 @@ grub_cmd_bootp (struct grub_command *cmd __attribute__ ((unused)), + return err; + } + +-static grub_command_t cmd_getdhcp, cmd_bootp; ++static grub_err_t ++grub_cmd_bootp6 (struct grub_command *cmd __attribute__ ((unused)), ++ int argc, char **args) ++{ ++ struct grub_net_card *card; ++ grub_uint32_t iaid = 0; ++ int interval; ++ grub_err_t err; ++ grub_dhcp6_session_t se; ++ ++ err = GRUB_ERR_NONE; ++ ++ FOR_NET_CARDS (card) ++ { ++ struct grub_net_network_level_interface *iface; ++ ++ if (argc > 0 && grub_strcmp (card->name, args[0]) != 0) ++ continue; ++ ++ iface = grub_net_ipv6_get_link_local (card, &card->default_address); ++ if (!iface) ++ { ++ grub_dhcp6_session_remove_all (); ++ return grub_errno; ++ } ++ ++ grub_dhcp6_session_add (iface, iaid++); ++ } ++ ++ for (interval = 200; interval < 10000; interval *= 2) ++ { ++ 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); ++ } ++ ++ FOR_DHCP6_SESSIONS (se) ++ { ++ grub_error_push (); ++ err = grub_error (GRUB_ERR_FILE_NOT_FOUND, ++ N_("couldn't autoconfigure %s"), ++ se->iface->card->name); ++ } ++ ++ grub_dhcp6_session_remove_all (); ++ ++ return err; ++} ++ ++static grub_command_t cmd_getdhcp, cmd_bootp, cmd_bootp6; + + void + grub_bootp_init (void) +@@ -589,6 +1491,9 @@ 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 +@@ -596,4 +1501,5 @@ grub_bootp_fini (void) + { + grub_unregister_command (cmd_getdhcp); + grub_unregister_command (cmd_bootp); ++ grub_unregister_command (cmd_bootp6); + } +diff --git a/grub-core/net/ip.c b/grub-core/net/ip.c +index 8c56baa..2a239b5 100644 +--- a/grub-core/net/ip.c ++++ b/grub-core/net/ip.c +@@ -238,6 +238,45 @@ 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/net.h b/include/grub/net.h +index ccc169c..38a3973 100644 +--- a/include/grub/net.h ++++ b/include/grub/net.h +@@ -442,6 +442,66 @@ struct grub_net_bootp_packet + grub_uint8_t vendor[0]; + } GRUB_PACKED; + ++struct grub_net_dhcp6_packet ++{ ++ grub_uint32_t message_type:8; ++ grub_uint32_t transaction_id:24; ++ grub_uint8_t dhcp_options[0]; ++} GRUB_PACKED; ++ ++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 data[0]; ++} GRUB_PACKED; ++ ++struct grub_net_dhcp6_option_iaaddr { ++ grub_uint8_t addr[16]; ++ grub_uint32_t preferred_lifetime; ++ grub_uint32_t valid_lifetime; ++ grub_uint8_t data[0]; ++} GRUB_PACKED; ++ ++struct grub_net_dhcp6_option_duid_ll ++{ ++ grub_uint16_t type; ++ grub_uint16_t hw_type; ++ grub_uint8_t hwaddr[6]; ++} GRUB_PACKED; ++ ++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 + #define GRUB_NET_BOOTP_RFC1048_MAGIC_2 0x53 +@@ -468,6 +528,14 @@ grub_net_configure_by_dhcp_ack (const char *name, + grub_size_t size, + int is_def, char **device, char **path); + ++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 *v6, ++ grub_size_t size, ++ int is_def, char **device, char **path); ++ + grub_err_t + grub_net_add_ipv4_local (struct grub_net_network_level_interface *inf, + int mask); +@@ -476,6 +544,10 @@ void + grub_net_process_dhcp (struct grub_net_buff *nb, + struct grub_net_card *card); + ++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); +-- +2.6.6 + diff --git a/0004-efinet-UEFI-IPv6-PXE-support.patch b/0004-efinet-UEFI-IPv6-PXE-support.patch new file mode 100644 index 0000000..4265950 --- /dev/null +++ b/0004-efinet-UEFI-IPv6-PXE-support.patch @@ -0,0 +1,127 @@ +From ca482c7c1efe5faf792bf0912a116ea8e0642e24 Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Wed, 15 Apr 2015 14:48:30 +0800 +Subject: [PATCH 4/8] efinet: UEFI IPv6 PXE support + +When grub2 image is booted from UEFI IPv6 PXE, the DHCPv6 Reply packet is +cached in firmware buffer which can be obtained by PXE Base Code protocol. The +network interface can be setup through the parameters in that obtained packet. + +Signed-off-by: Michael Chang +Signed-off-by: Ken Lin +--- + grub-core/net/drivers/efi/efinet.c | 24 +++++++++++++---- + include/grub/efi/api.h | 55 +++++++++++++++++++++++++++++++++++++- + 2 files changed, 73 insertions(+), 6 deletions(-) + +diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c +index 5388f95..fc90415 100644 +--- a/grub-core/net/drivers/efi/efinet.c ++++ b/grub-core/net/drivers/efi/efinet.c +@@ -378,11 +378,25 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device, + if (! pxe) + continue; + pxe_mode = pxe->mode; +- grub_net_configure_by_dhcp_ack (card->name, card, 0, +- (struct grub_net_bootp_packet *) +- &pxe_mode->dhcp_ack, +- sizeof (pxe_mode->dhcp_ack), +- 1, device, path); ++ ++ if (pxe_mode->using_ipv6) ++ { ++ 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 (); ++ } ++ else ++ { ++ grub_net_configure_by_dhcp_ack (card->name, card, 0, ++ (struct grub_net_bootp_packet *) ++ &pxe_mode->dhcp_ack, ++ sizeof (pxe_mode->dhcp_ack), ++ 1, device, path); ++ } + return; + } + } +diff --git a/include/grub/efi/api.h b/include/grub/efi/api.h +index c7c9f0e..92f9b5a 100644 +--- a/include/grub/efi/api.h ++++ b/include/grub/efi/api.h +@@ -1452,14 +1452,67 @@ typedef struct grub_efi_simple_text_output_interface grub_efi_simple_text_output + + typedef grub_uint8_t grub_efi_pxe_packet_t[1472]; + ++typedef struct { ++ grub_uint8_t addr[4]; ++} grub_efi_pxe_ipv4_address_t; ++ ++typedef struct { ++ grub_uint8_t addr[16]; ++} grub_efi_pxe_ipv6_address_t; ++ ++typedef struct { ++ grub_uint8_t addr[32]; ++} grub_efi_pxe_mac_address_t; ++ ++typedef union { ++ grub_uint32_t addr[4]; ++ grub_efi_pxe_ipv4_address_t v4; ++ grub_efi_pxe_ipv6_address_t v6; ++} grub_efi_pxe_ip_address_t; ++ ++#define GRUB_EFI_PXE_BASE_CODE_MAX_IPCNT 8 ++typedef struct { ++ grub_uint8_t filters; ++ grub_uint8_t ip_cnt; ++ grub_uint16_t reserved; ++ grub_efi_pxe_ip_address_t ip_list[GRUB_EFI_PXE_BASE_CODE_MAX_IPCNT]; ++} grub_efi_pxe_ip_filter_t; ++ ++typedef struct { ++ grub_efi_pxe_ip_address_t ip_addr; ++ grub_efi_pxe_mac_address_t mac_addr; ++} grub_efi_pxe_arp_entry_t; ++ ++typedef struct { ++ grub_efi_pxe_ip_address_t ip_addr; ++ grub_efi_pxe_ip_address_t subnet_mask; ++ grub_efi_pxe_ip_address_t gw_addr; ++} grub_efi_pxe_route_entry_t; ++ ++ ++#define GRUB_EFI_PXE_BASE_CODE_MAX_ARP_ENTRIES 8 ++#define GRUB_EFI_PXE_BASE_CODE_MAX_ROUTE_ENTRIES 8 ++ + typedef struct grub_efi_pxe_mode + { +- grub_uint8_t unused[52]; ++ grub_uint8_t started; ++ grub_uint8_t ipv6_available; ++ grub_uint8_t ipv6_supported; ++ grub_uint8_t using_ipv6; ++ grub_uint8_t unused[16]; ++ grub_efi_pxe_ip_address_t station_ip; ++ grub_efi_pxe_ip_address_t subnet_mask; + grub_efi_pxe_packet_t dhcp_discover; + grub_efi_pxe_packet_t dhcp_ack; + grub_efi_pxe_packet_t proxy_offer; + grub_efi_pxe_packet_t pxe_discover; + grub_efi_pxe_packet_t pxe_reply; ++ grub_efi_pxe_packet_t pxe_bis_reply; ++ grub_efi_pxe_ip_filter_t ip_filter; ++ grub_uint32_t arp_cache_entries; ++ grub_efi_pxe_arp_entry_t arp_cache[GRUB_EFI_PXE_BASE_CODE_MAX_ARP_ENTRIES]; ++ grub_uint32_t route_table_entries; ++ grub_efi_pxe_route_entry_t route_table[GRUB_EFI_PXE_BASE_CODE_MAX_ROUTE_ENTRIES]; + } grub_efi_pxe_mode_t; + + typedef struct grub_efi_pxe +-- +2.6.6 + diff --git a/0005-grub.texi-Add-net_bootp6-doument.patch b/0005-grub.texi-Add-net_bootp6-doument.patch new file mode 100644 index 0000000..e097598 --- /dev/null +++ b/0005-grub.texi-Add-net_bootp6-doument.patch @@ -0,0 +1,51 @@ +From 2c997c8c058b41d3a59a81f2bf654288b7cdf8f2 Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Tue, 5 May 2015 14:19:24 +0800 +Subject: [PATCH 5/8] grub.texi: Add net_bootp6 doument + +Update grub documentation for net_bootp6 command. + +Signed-off-by: Michael Chang +Signed-off-by: Ken Lin +--- + docs/grub.texi | 17 +++++++++++++++++ + 1 file changed, 17 insertions(+) + +diff --git a/docs/grub.texi b/docs/grub.texi +index 82f6fa4..60b4aa0 100644 +--- a/docs/grub.texi ++++ b/docs/grub.texi +@@ -5173,6 +5173,7 @@ See @uref{http://wiki.xen.org/wiki/XSM} for more detail. + * net_add_dns:: Add a DNS server + * net_add_route:: Add routing entry + * net_bootp:: Perform a bootp autoconfiguration ++* net_bootp6:: Perform a DHCPv6 autoconfiguration + * net_del_addr:: Remove IP address from interface + * net_del_dns:: Remove a DNS server + * net_del_route:: Remove a route entry +@@ -5254,6 +5255,22 @@ Sets environment variable @samp{net_}@var{}@samp{_dhcp_extensionspath} + + @end deffn + ++@node net_bootp6 ++@subsection net_bootp6 ++ ++@deffn Command net_bootp6 [@var{card}] ++Perform configuration of @var{card} using DHCPv6 protocol. If no card name is ++specified, try to configure all existing cards. If configuration was ++successful, interface with name @var{card}@samp{:dhcp6} and configured address ++is added to @var{card}. ++ ++@table @samp ++@item 1 (Domain Name Server) ++Adds all servers from option value to the list of servers used during name ++resolution. ++@end table ++ ++@end deffn + + @node net_del_addr + @subsection net_del_addr +-- +2.6.6 + diff --git a/0006-bootp-Add-processing-DHCPACK-packet-from-HTTP-Boot.patch b/0006-bootp-Add-processing-DHCPACK-packet-from-HTTP-Boot.patch new file mode 100644 index 0000000..fd0d536 --- /dev/null +++ b/0006-bootp-Add-processing-DHCPACK-packet-from-HTTP-Boot.patch @@ -0,0 +1,130 @@ +From 8191aae462f8b755972a0a801f4adbdd6ecaa66c Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Thu, 14 Jul 2016 18:45:14 +0800 +Subject: [PATCH 6/8] bootp: Add processing DHCPACK packet from HTTP Boot + +The vendor class identifier with the string "HTTPClient" is used to denote the +packet as responding to HTTP boot request. In DHCP4 config, the filename for +HTTP boot is the URL of the boot file while for PXE boot it is the path to the +boot file. As a consequence, the next-server becomes obseleted because the HTTP +URL already contains the server address for the boot file. For DHCP6 config, +there's no difference definition in existing config as dhcp6.bootfile-url can +be used to specify URL for both HTTP and PXE boot file. + +This patch adds processing for "HTTPClient" vendor class identifier in DHCPACK +packet by treating it as HTTP format, not as the PXE format. + +Signed-off-by: Michael Chang +Signed-off-by: Ken Lin +--- + grub-core/net/bootp.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++-- + include/grub/net.h | 1 + + 2 files changed, 66 insertions(+), 2 deletions(-) + +diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c +index 81173b4..04f9f3d 100644 +--- a/grub-core/net/bootp.c ++++ b/grub-core/net/bootp.c +@@ -207,6 +207,11 @@ parse_dhcp_vendor (const char *name, const void *vend, int limit, int *mask) + taglength); + break; + ++ case GRUB_NET_BOOTP_VENDOR_CLASS_IDENTIFIER: ++ grub_env_set_net_property (name, "vendor_class_identifier", (const char *) ptr, ++ taglength); ++ break; ++ + case GRUB_NET_BOOTP_EXTENSIONS_PATH: + grub_env_set_net_property (name, "extensionspath", (const char *) ptr, + taglength); +@@ -281,6 +286,66 @@ grub_net_configure_by_dhcp_ack (const char *name, + } + #endif + ++ if (size > OFFSET_OF (vendor, bp)) ++ { ++ char *cidvar; ++ const char *cid; ++ ++ parse_dhcp_vendor (name, &bp->vendor, size - OFFSET_OF (vendor, bp), &mask); ++ cidvar = grub_xasprintf ("net_%s_%s", name, "vendor_class_identifier"); ++ cid = grub_env_get (cidvar); ++ grub_free (cidvar); ++ ++ if (cid && grub_strcmp (cid, "HTTPClient") == 0) ++ { ++ char *proto, *ip, *pa; ++ ++ if (!dissect_url (bp->boot_file, &proto, &ip, &pa)) ++ return inter; ++ ++ grub_env_set_net_property (name, "boot_file", pa, grub_strlen (pa)); ++ if (is_def) ++ { ++ grub_net_default_server = grub_strdup (ip); ++ grub_env_set ("net_default_interface", name); ++ grub_env_export ("net_default_interface"); ++ } ++ if (device && !*device) ++ { ++ *device = grub_xasprintf ("%s,%s", proto, ip); ++ grub_print_error (); ++ } ++ if (path) ++ { ++ *path = grub_strdup (pa); ++ grub_print_error (); ++ if (*path) ++ { ++ char *slash; ++ slash = grub_strrchr (*path, '/'); ++ if (slash) ++ *slash = 0; ++ else ++ **path = 0; ++ } ++ } ++ grub_net_add_ipv4_local (inter, mask); ++ 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; ++ ++ grub_free (proto); ++ grub_free (ip); ++ grub_free (pa); ++ return inter; ++ } ++ } ++ + if (size > OFFSET_OF (boot_file, bp)) + grub_env_set_net_property (name, "boot_file", bp->boot_file, + sizeof (bp->boot_file)); +@@ -342,8 +407,6 @@ grub_net_configure_by_dhcp_ack (const char *name, + **path = 0; + } + } +- if (size > OFFSET_OF (vendor, bp)) +- parse_dhcp_vendor (name, &bp->vendor, size - OFFSET_OF (vendor, bp), &mask); + grub_net_add_ipv4_local (inter, mask); + + inter->dhcp_ack = grub_malloc (size); +diff --git a/include/grub/net.h b/include/grub/net.h +index 38a3973..e4bf678 100644 +--- a/include/grub/net.h ++++ b/include/grub/net.h +@@ -517,6 +517,7 @@ enum + GRUB_NET_BOOTP_DOMAIN = 0x0f, + GRUB_NET_BOOTP_ROOT_PATH = 0x11, + GRUB_NET_BOOTP_EXTENSIONS_PATH = 0x12, ++ GRUB_NET_BOOTP_VENDOR_CLASS_IDENTIFIER = 0x3C, + GRUB_NET_BOOTP_END = 0xff + }; + +-- +2.6.6 + diff --git a/0007-efinet-Setting-network-from-UEFI-device-path.patch b/0007-efinet-Setting-network-from-UEFI-device-path.patch new file mode 100644 index 0000000..5bcc72c --- /dev/null +++ b/0007-efinet-Setting-network-from-UEFI-device-path.patch @@ -0,0 +1,389 @@ +From 369df8e3006000a4acacc674f5882d8729781811 Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Sun, 10 Jul 2016 23:46:31 +0800 +Subject: [PATCH 7/8] efinet: Setting network from UEFI device path + +The PXE Base Code protocol used to obtain cached PXE DHCPACK packet is no +longer provided for HTTP Boot. Instead, we have to get the HTTP boot +information from the device path nodes defined in following UEFI Specification +sections. + + 9.3.5.12 IPv4 Device Path + 9.3.5.13 IPv6 Device Path + 9.3.5.23 Uniform Resource Identifiers (URI) Device Path + +This patch basically does: + +include/grub/efi/api.h: +Add new structure of Uniform Resource Identifiers (URI) Device Path + +grub-core/net/drivers/efi/efinet.c: +Check if PXE Base Code is available, if not it will try to obtain the netboot +information from the device path where the image booted from. The DHCPACK +packet is recoverd from the information in device patch and feed into the same +DHCP packet processing functions to ensure the network interface is setting up +the same way it used to be. + +Signed-off-by: Michael Chang +Signed-off-by: Ken Lin +--- + grub-core/net/drivers/efi/efinet.c | 268 +++++++++++++++++++++++++++++++++++-- + include/grub/efi/api.h | 11 ++ + 2 files changed, 270 insertions(+), 9 deletions(-) + +diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c +index fc90415..2d3b00f 100644 +--- a/grub-core/net/drivers/efi/efinet.c ++++ b/grub-core/net/drivers/efi/efinet.c +@@ -23,6 +23,7 @@ + #include + #include + #include ++#include + + GRUB_MOD_LICENSE ("GPLv3+"); + +@@ -324,6 +325,221 @@ grub_efinet_findcards (void) + grub_free (handles); + } + ++static struct grub_net_buff * ++grub_efinet_create_dhcp_ack_from_device_path (grub_efi_device_path_t *dp, int *use_ipv6) ++{ ++ grub_efi_uint16_t uri_len; ++ grub_efi_device_path_t *ldp, *ddp; ++ grub_efi_uri_device_path_t *uri_dp; ++ struct grub_net_buff *nb; ++ grub_err_t err; ++ ++ ddp = grub_efi_duplicate_device_path (dp); ++ ldp = grub_efi_find_last_device_path (ddp); ++ ++ if (GRUB_EFI_DEVICE_PATH_TYPE (ldp) != GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE ++ || GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) != GRUB_EFI_URI_DEVICE_PATH_SUBTYPE) ++ { ++ grub_free (ddp); ++ return NULL; ++ } ++ ++ uri_len = GRUB_EFI_DEVICE_PATH_LENGTH (ldp) > 4 ? GRUB_EFI_DEVICE_PATH_LENGTH (ldp) - 4 : 0; ++ ++ if (!uri_len) ++ { ++ grub_free (ddp); ++ return NULL; ++ } ++ ++ uri_dp = (grub_efi_uri_device_path_t *) ldp; ++ ++ ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE; ++ ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE; ++ ldp->length = sizeof (*ldp); ++ ++ ldp = grub_efi_find_last_device_path (ddp); ++ ++ if (GRUB_EFI_DEVICE_PATH_TYPE (ldp) != GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE ++ || (GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) != GRUB_EFI_IPV4_DEVICE_PATH_SUBTYPE ++ && GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) != GRUB_EFI_IPV6_DEVICE_PATH_SUBTYPE)) ++ { ++ grub_free (ddp); ++ return NULL; ++ } ++ ++ nb = grub_netbuff_alloc (512); ++ if (!nb) ++ return NULL; ++ ++ if (GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) == GRUB_EFI_IPV4_DEVICE_PATH_SUBTYPE) ++ { ++ grub_efi_ipv4_device_path_t *ipv4 = (grub_efi_ipv4_device_path_t *) ldp; ++ struct grub_net_bootp_packet *bp; ++ grub_uint8_t *ptr; ++ ++ bp = (struct grub_net_bootp_packet *) nb->tail; ++ err = grub_netbuff_put (nb, sizeof (*bp) + 4); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ ++ if (sizeof(bp->boot_file) < uri_len) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ grub_memcpy (bp->boot_file, uri_dp->uri, uri_len); ++ grub_memcpy (&bp->your_ip, ipv4->local_ip_address, sizeof (bp->your_ip)); ++ grub_memcpy (&bp->server_ip, ipv4->remote_ip_address, sizeof (bp->server_ip)); ++ ++ bp->vendor[0] = GRUB_NET_BOOTP_RFC1048_MAGIC_0; ++ bp->vendor[1] = GRUB_NET_BOOTP_RFC1048_MAGIC_1; ++ bp->vendor[2] = GRUB_NET_BOOTP_RFC1048_MAGIC_2; ++ bp->vendor[3] = GRUB_NET_BOOTP_RFC1048_MAGIC_3; ++ ++ ptr = nb->tail; ++ err = grub_netbuff_put (nb, sizeof (ipv4->subnet_mask) + 2); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ *ptr++ = GRUB_NET_BOOTP_NETMASK; ++ *ptr++ = sizeof (ipv4->subnet_mask); ++ grub_memcpy (ptr, ipv4->subnet_mask, sizeof (ipv4->subnet_mask)); ++ ++ ptr = nb->tail; ++ err = grub_netbuff_put (nb, sizeof (ipv4->gateway_ip_address) + 2); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ *ptr++ = GRUB_NET_BOOTP_ROUTER; ++ *ptr++ = sizeof (ipv4->gateway_ip_address); ++ grub_memcpy (ptr, ipv4->gateway_ip_address, sizeof (ipv4->gateway_ip_address)); ++ ++ ptr = nb->tail; ++ err = grub_netbuff_put (nb, sizeof ("HTTPClient") + 1); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ *ptr++ = GRUB_NET_BOOTP_VENDOR_CLASS_IDENTIFIER; ++ *ptr++ = sizeof ("HTTPClient") - 1; ++ grub_memcpy (ptr, "HTTPClient", sizeof ("HTTPClient") - 1); ++ ++ ptr = nb->tail; ++ err = grub_netbuff_put (nb, 1); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ *ptr = GRUB_NET_BOOTP_END; ++ *use_ipv6 = 0; ++ ++ ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE; ++ ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE; ++ ldp->length = sizeof (*ldp); ++ ldp = grub_efi_find_last_device_path (ddp); ++ ++ if (GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) == GRUB_EFI_MAC_ADDRESS_DEVICE_PATH_SUBTYPE) ++ { ++ grub_efi_mac_address_device_path_t *mac = (grub_efi_mac_address_device_path_t *) ldp; ++ bp->hw_type = mac->if_type; ++ bp->hw_len = sizeof (bp->mac_addr); ++ grub_memcpy (bp->mac_addr, mac->mac_address, bp->hw_len); ++ } ++ } ++ else ++ { ++ grub_efi_ipv6_device_path_t *ipv6 = (grub_efi_ipv6_device_path_t *) ldp; ++ ++ struct grub_net_dhcp6_packet *d6p; ++ struct grub_net_dhcp6_option *opt; ++ struct grub_net_dhcp6_option_iana *iana; ++ struct grub_net_dhcp6_option_iaaddr *iaaddr; ++ ++ d6p = (struct grub_net_dhcp6_packet *)nb->tail; ++ err = grub_netbuff_put (nb, sizeof(*d6p)); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ d6p->message_type = GRUB_NET_DHCP6_REPLY; ++ ++ opt = (struct grub_net_dhcp6_option *)nb->tail; ++ err = grub_netbuff_put (nb, sizeof(*opt)); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_IA_NA); ++ opt->len = grub_cpu_to_be16_compile_time (sizeof(*iana) + sizeof(*opt) + sizeof(*iaaddr)); ++ ++ err = grub_netbuff_put (nb, sizeof(*iana)); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ ++ opt = (struct grub_net_dhcp6_option *)nb->tail; ++ err = grub_netbuff_put (nb, sizeof(*opt)); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_IAADDR); ++ opt->len = grub_cpu_to_be16_compile_time (sizeof (*iaaddr)); ++ ++ iaaddr = (struct grub_net_dhcp6_option_iaaddr *)nb->tail; ++ err = grub_netbuff_put (nb, sizeof(*iaaddr)); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ grub_memcpy (iaaddr->addr, ipv6->local_ip_address, sizeof(ipv6->local_ip_address)); ++ ++ opt = (struct grub_net_dhcp6_option *)nb->tail; ++ err = grub_netbuff_put (nb, sizeof(*opt) + uri_len); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_BOOTFILE_URL); ++ opt->len = grub_cpu_to_be16 (uri_len); ++ grub_memcpy (opt->data, uri_dp->uri, uri_len); ++ ++ *use_ipv6 = 1; ++ } ++ ++ grub_free (ddp); ++ return nb; ++} ++ + static void + grub_efi_net_config_real (grub_efi_handle_t hnd, char **device, + char **path) +@@ -340,6 +556,11 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device, + grub_efi_device_path_t *cdp; + struct grub_efi_pxe *pxe; + struct grub_efi_pxe_mode *pxe_mode; ++ grub_uint8_t *packet_buf; ++ grub_size_t packet_bufsz ; ++ int ipv6; ++ struct grub_net_buff *nb = NULL; ++ + if (card->driver != &efidriver) + continue; + cdp = grub_efi_get_device_path (card->efi_handle); +@@ -359,11 +580,21 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device, + ldp = grub_efi_find_last_device_path (dp); + if (GRUB_EFI_DEVICE_PATH_TYPE (ldp) != GRUB_EFI_MESSAGING_DEVICE_PATH_TYPE + || (GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) != GRUB_EFI_IPV4_DEVICE_PATH_SUBTYPE +- && GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) != GRUB_EFI_IPV6_DEVICE_PATH_SUBTYPE)) ++ && GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) != GRUB_EFI_IPV6_DEVICE_PATH_SUBTYPE ++ && GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) != GRUB_EFI_URI_DEVICE_PATH_SUBTYPE)) + continue; + dup_dp = grub_efi_duplicate_device_path (dp); + if (!dup_dp) + continue; ++ ++ if (GRUB_EFI_DEVICE_PATH_SUBTYPE (ldp) == GRUB_EFI_URI_DEVICE_PATH_SUBTYPE) ++ { ++ dup_ldp = grub_efi_find_last_device_path (dup_dp); ++ dup_ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE; ++ dup_ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE; ++ dup_ldp->length = sizeof (*dup_ldp); ++ } ++ + dup_ldp = grub_efi_find_last_device_path (dup_dp); + dup_ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE; + dup_ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE; +@@ -375,16 +606,31 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device, + } + pxe = grub_efi_open_protocol (hnd, &pxe_io_guid, + GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL); +- if (! pxe) +- continue; +- pxe_mode = pxe->mode; ++ if (!pxe) ++ { ++ nb = grub_efinet_create_dhcp_ack_from_device_path (dp, &ipv6); ++ if (!nb) ++ { ++ grub_print_error (); ++ continue; ++ } ++ packet_buf = nb->head; ++ packet_bufsz = nb->tail - nb->head; ++ } ++ else ++ { ++ pxe_mode = pxe->mode; ++ packet_buf = (grub_uint8_t *) &pxe_mode->dhcp_ack; ++ packet_bufsz = sizeof (pxe_mode->dhcp_ack); ++ ipv6 = pxe_mode->using_ipv6; ++ } + +- if (pxe_mode->using_ipv6) ++ if (ipv6) + { + grub_net_configure_by_dhcpv6_reply (card->name, card, 0, + (struct grub_net_dhcp6_packet *) +- &pxe_mode->dhcp_ack, +- sizeof (pxe_mode->dhcp_ack), ++ packet_buf, ++ packet_bufsz, + 1, device, path); + if (grub_errno) + grub_print_error (); +@@ -393,10 +639,14 @@ grub_efi_net_config_real (grub_efi_handle_t hnd, char **device, + { + grub_net_configure_by_dhcp_ack (card->name, card, 0, + (struct grub_net_bootp_packet *) +- &pxe_mode->dhcp_ack, +- sizeof (pxe_mode->dhcp_ack), ++ packet_buf, ++ packet_bufsz, + 1, device, path); + } ++ ++ if (nb) ++ grub_netbuff_free (nb); ++ + return; + } + } +diff --git a/include/grub/efi/api.h b/include/grub/efi/api.h +index 92f9b5a..d5a1256 100644 +--- a/include/grub/efi/api.h ++++ b/include/grub/efi/api.h +@@ -825,6 +825,8 @@ struct grub_efi_ipv4_device_path + grub_efi_uint16_t remote_port; + grub_efi_uint16_t protocol; + grub_efi_uint8_t static_ip_address; ++ grub_efi_ipv4_address_t gateway_ip_address; ++ grub_efi_ipv4_address_t subnet_mask; + } GRUB_PACKED; + typedef struct grub_efi_ipv4_device_path grub_efi_ipv4_device_path_t; + +@@ -879,6 +881,15 @@ struct grub_efi_sata_device_path + } GRUB_PACKED; + typedef struct grub_efi_sata_device_path grub_efi_sata_device_path_t; + ++#define GRUB_EFI_URI_DEVICE_PATH_SUBTYPE 24 ++ ++struct grub_efi_uri_device_path ++{ ++ grub_efi_device_path_t header; ++ grub_efi_uint8_t uri[0]; ++} GRUB_PACKED; ++typedef struct grub_efi_uri_device_path grub_efi_uri_device_path_t; ++ + #define GRUB_EFI_VENDOR_MESSAGING_DEVICE_PATH_SUBTYPE 10 + + /* Media Device Path. */ +-- +2.6.6 + diff --git a/0008-efinet-Setting-DNS-server-from-UEFI-protocol.patch b/0008-efinet-Setting-DNS-server-from-UEFI-protocol.patch new file mode 100644 index 0000000..1818217 --- /dev/null +++ b/0008-efinet-Setting-DNS-server-from-UEFI-protocol.patch @@ -0,0 +1,340 @@ +From 0c7ae6d7527d08e54a6eeebddb6c5c697c4b37d2 Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Thu, 14 Jul 2016 17:48:45 +0800 +Subject: [PATCH 8/8] efinet: Setting DNS server from UEFI protocol + +In the URI device path node, any name rahter than address can be used for +looking up the resources so that DNS service become needed to get answer of the +name's address. Unfortunately the DNS is not defined in any of the device path +nodes so that we use the EFI_IP4_CONFIG2_PROTOCOL and EFI_IP6_CONFIG_PROTOCOL +to obtain it. + +These two protcols are defined the sections of UEFI specification. + + 27.5 EFI IPv4 Configuration II Protocol + 27.7 EFI IPv6 Configuration Protocol + +include/grub/efi/api.h: +Add new structure and protocol UUID of EFI_IP4_CONFIG2_PROTOCOL and +EFI_IP6_CONFIG_PROTOCOL. + +grub-core/net/drivers/efi/efinet.c: +Use the EFI_IP4_CONFIG2_PROTOCOL and EFI_IP6_CONFIG_PROTOCOL to obtain the list +of DNS server address for IPv4 and IPv6 respectively. The address of DNS +servers is structured into DHCPACK packet and feed into the same DHCP packet +processing functions to ensure the network interface is setting up the same way +it used to be. + +Signed-off-by: Michael Chang +Signed-off-by: Ken Lin +--- + grub-core/net/drivers/efi/efinet.c | 163 +++++++++++++++++++++++++++++++++++++ + include/grub/efi/api.h | 76 +++++++++++++++++ + 2 files changed, 239 insertions(+) + +diff --git a/grub-core/net/drivers/efi/efinet.c b/grub-core/net/drivers/efi/efinet.c +index 2d3b00f..82a28fb 100644 +--- a/grub-core/net/drivers/efi/efinet.c ++++ b/grub-core/net/drivers/efi/efinet.c +@@ -30,6 +30,8 @@ GRUB_MOD_LICENSE ("GPLv3+"); + /* GUID. */ + static grub_efi_guid_t net_io_guid = GRUB_EFI_SIMPLE_NETWORK_GUID; + static grub_efi_guid_t pxe_io_guid = GRUB_EFI_PXE_GUID; ++static grub_efi_guid_t ip4_config_guid = GRUB_EFI_IP4_CONFIG2_PROTOCOL_GUID; ++static grub_efi_guid_t ip6_config_guid = GRUB_EFI_IP6_CONFIG_PROTOCOL_GUID; + + static grub_err_t + send_card_buffer (struct grub_net_card *dev, +@@ -325,6 +327,125 @@ grub_efinet_findcards (void) + grub_free (handles); + } + ++static grub_efi_handle_t ++grub_efi_locate_device_path (grub_efi_guid_t *protocol, grub_efi_device_path_t *device_path, ++ grub_efi_device_path_t **r_device_path) ++{ ++ grub_efi_handle_t handle; ++ grub_efi_status_t status; ++ ++ status = efi_call_3 (grub_efi_system_table->boot_services->locate_device_path, ++ protocol, &device_path, &handle); ++ ++ if (status != GRUB_EFI_SUCCESS) ++ return 0; ++ ++ if (r_device_path) ++ *r_device_path = device_path; ++ ++ return handle; ++} ++ ++static grub_efi_ipv4_address_t * ++grub_dns_server_ip4_address (grub_efi_device_path_t *dp, grub_efi_uintn_t *num_dns) ++{ ++ grub_efi_handle_t hnd; ++ grub_efi_status_t status; ++ grub_efi_ip4_config2_protocol_t *conf; ++ grub_efi_ipv4_address_t *addrs; ++ grub_efi_uintn_t data_size = 1 * sizeof (grub_efi_ipv4_address_t); ++ ++ hnd = grub_efi_locate_device_path (&ip4_config_guid, dp, NULL); ++ ++ if (!hnd) ++ return 0; ++ ++ conf = grub_efi_open_protocol (hnd, &ip4_config_guid, ++ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL); ++ ++ if (!conf) ++ return 0; ++ ++ addrs = grub_malloc (data_size); ++ if (!addrs) ++ return 0; ++ ++ status = efi_call_4 (conf->get_data, conf, ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_DNSSERVER, ++ &data_size, addrs); ++ ++ if (status == GRUB_EFI_BUFFER_TOO_SMALL) ++ { ++ grub_free (addrs); ++ addrs = grub_malloc (data_size); ++ if (!addrs) ++ return 0; ++ ++ status = efi_call_4 (conf->get_data, conf, ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_DNSSERVER, ++ &data_size, addrs); ++ } ++ ++ if (status != GRUB_EFI_SUCCESS) ++ { ++ grub_free (addrs); ++ return 0; ++ } ++ ++ *num_dns = data_size / sizeof (grub_efi_ipv4_address_t); ++ return addrs; ++} ++ ++static grub_efi_ipv6_address_t * ++grub_dns_server_ip6_address (grub_efi_device_path_t *dp, grub_efi_uintn_t *num_dns) ++{ ++ grub_efi_handle_t hnd; ++ grub_efi_status_t status; ++ grub_efi_ip6_config_protocol_t *conf; ++ grub_efi_ipv6_address_t *addrs; ++ grub_efi_uintn_t data_size = 1 * sizeof (grub_efi_ipv6_address_t); ++ ++ hnd = grub_efi_locate_device_path (&ip6_config_guid, dp, NULL); ++ ++ if (!hnd) ++ return 0; ++ ++ conf = grub_efi_open_protocol (hnd, &ip6_config_guid, ++ GRUB_EFI_OPEN_PROTOCOL_GET_PROTOCOL); ++ ++ if (!conf) ++ return 0; ++ ++ addrs = grub_malloc (data_size); ++ if (!addrs) ++ return 0; ++ ++ status = efi_call_4 (conf->get_data, conf, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_DNSSERVER, ++ &data_size, addrs); ++ ++ if (status == GRUB_EFI_BUFFER_TOO_SMALL) ++ { ++ grub_free (addrs); ++ addrs = grub_malloc (data_size); ++ if (!addrs) ++ return 0; ++ ++ status = efi_call_4 (conf->get_data, conf, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_DNSSERVER, ++ &data_size, addrs); ++ } ++ ++ if (status != GRUB_EFI_SUCCESS) ++ { ++ grub_free (addrs); ++ return 0; ++ } ++ ++ *num_dns = data_size / sizeof (grub_efi_ipv6_address_t); ++ return addrs; ++} ++ + static struct grub_net_buff * + grub_efinet_create_dhcp_ack_from_device_path (grub_efi_device_path_t *dp, int *use_ipv6) + { +@@ -377,6 +498,8 @@ grub_efinet_create_dhcp_ack_from_device_path (grub_efi_device_path_t *dp, int *u + grub_efi_ipv4_device_path_t *ipv4 = (grub_efi_ipv4_device_path_t *) ldp; + struct grub_net_bootp_packet *bp; + grub_uint8_t *ptr; ++ grub_efi_ipv4_address_t *dns; ++ grub_efi_uintn_t num_dns; + + bp = (struct grub_net_bootp_packet *) nb->tail; + err = grub_netbuff_put (nb, sizeof (*bp) + 4); +@@ -438,6 +561,25 @@ grub_efinet_create_dhcp_ack_from_device_path (grub_efi_device_path_t *dp, int *u + *ptr++ = sizeof ("HTTPClient") - 1; + grub_memcpy (ptr, "HTTPClient", sizeof ("HTTPClient") - 1); + ++ dns = grub_dns_server_ip4_address (dp, &num_dns); ++ if (dns) ++ { ++ grub_efi_uintn_t size_dns = sizeof (*dns) * num_dns; ++ ++ ptr = nb->tail; ++ err = grub_netbuff_put (nb, size_dns + 2); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ *ptr++ = GRUB_NET_BOOTP_DNS; ++ *ptr++ = size_dns; ++ grub_memcpy (ptr, dns, size_dns); ++ grub_free (dns); ++ } ++ + ptr = nb->tail; + err = grub_netbuff_put (nb, 1); + if (err) +@@ -470,6 +612,8 @@ grub_efinet_create_dhcp_ack_from_device_path (grub_efi_device_path_t *dp, int *u + struct grub_net_dhcp6_option *opt; + struct grub_net_dhcp6_option_iana *iana; + struct grub_net_dhcp6_option_iaaddr *iaaddr; ++ grub_efi_ipv6_address_t *dns; ++ grub_efi_uintn_t num_dns; + + d6p = (struct grub_net_dhcp6_packet *)nb->tail; + err = grub_netbuff_put (nb, sizeof(*d6p)); +@@ -533,6 +677,25 @@ grub_efinet_create_dhcp_ack_from_device_path (grub_efi_device_path_t *dp, int *u + opt->len = grub_cpu_to_be16 (uri_len); + grub_memcpy (opt->data, uri_dp->uri, uri_len); + ++ dns = grub_dns_server_ip6_address (dp, &num_dns); ++ if (dns) ++ { ++ grub_efi_uintn_t size_dns = sizeof (*dns) * num_dns; ++ ++ opt = (struct grub_net_dhcp6_option *)nb->tail; ++ err = grub_netbuff_put (nb, sizeof(*opt) + size_dns); ++ if (err) ++ { ++ grub_free (ddp); ++ grub_netbuff_free (nb); ++ return NULL; ++ } ++ opt->code = grub_cpu_to_be16_compile_time (GRUB_NET_DHCP6_OPTION_DNS_SERVERS); ++ opt->len = grub_cpu_to_be16 (size_dns); ++ grub_memcpy (opt->data, dns, size_dns); ++ grub_free (dns); ++ } ++ + *use_ipv6 = 1; + } + +diff --git a/include/grub/efi/api.h b/include/grub/efi/api.h +index d5a1256..99ba068 100644 +--- a/include/grub/efi/api.h ++++ b/include/grub/efi/api.h +@@ -334,6 +334,16 @@ + { 0x8B, 0x8C, 0xE2, 0x1B, 0x01, 0xAE, 0xF2, 0xB7 } \ + } + ++#define GRUB_EFI_IP4_CONFIG2_PROTOCOL_GUID \ ++ { 0x5b446ed1, 0xe30b, 0x4faa, \ ++ { 0x87, 0x1a, 0x36, 0x54, 0xec, 0xa3, 0x60, 0x80 } \ ++ } ++ ++#define GRUB_EFI_IP6_CONFIG_PROTOCOL_GUID \ ++ { 0x937fe521, 0x95ae, 0x4d1a, \ ++ { 0x89, 0x29, 0x48, 0xbc, 0xd9, 0x0a, 0xd3, 0x1a } \ ++ } ++ + struct grub_efi_sal_system_table + { + grub_uint32_t signature; +@@ -1749,6 +1759,72 @@ struct grub_efi_block_io + }; + typedef struct grub_efi_block_io grub_efi_block_io_t; + ++enum grub_efi_ip4_config2_data_type { ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_INTERFACEINFO, ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_POLICY, ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_MANUAL_ADDRESS, ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_GATEWAY, ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_DNSSERVER, ++ GRUB_EFI_IP4_CONFIG2_DATA_TYPE_MAXIMUM ++}; ++typedef enum grub_efi_ip4_config2_data_type grub_efi_ip4_config2_data_type_t; ++ ++struct grub_efi_ip4_config2_protocol ++{ ++ grub_efi_status_t (*set_data) (struct grub_efi_ip4_config2_protocol *this, ++ grub_efi_ip4_config2_data_type_t data_type, ++ grub_efi_uintn_t data_size, ++ void *data); ++ ++ grub_efi_status_t (*get_data) (struct grub_efi_ip4_config2_protocol *this, ++ grub_efi_ip4_config2_data_type_t data_type, ++ grub_efi_uintn_t *data_size, ++ void *data); ++ ++ grub_efi_status_t (*register_data_notify) (struct grub_efi_ip4_config2_protocol *this, ++ grub_efi_ip4_config2_data_type_t data_type, ++ grub_efi_event_t event); ++ ++ grub_efi_status_t (*unregister_datanotify) (struct grub_efi_ip4_config2_protocol *this, ++ grub_efi_ip4_config2_data_type_t data_type, ++ grub_efi_event_t event); ++}; ++typedef struct grub_efi_ip4_config2_protocol grub_efi_ip4_config2_protocol_t; ++ ++enum grub_efi_ip6_config_data_type { ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_INTERFACEINFO, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_ALT_INTERFACEID, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_POLICY, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_DUP_ADDR_DETECT_TRANSMITS, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_MANUAL_ADDRESS, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_GATEWAY, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_DNSSERVER, ++ GRUB_EFI_IP6_CONFIG_DATA_TYPE_MAXIMUM ++}; ++typedef enum grub_efi_ip6_config_data_type grub_efi_ip6_config_data_type_t; ++ ++struct grub_efi_ip6_config_protocol ++{ ++ grub_efi_status_t (*set_data) (struct grub_efi_ip6_config_protocol *this, ++ grub_efi_ip6_config_data_type_t data_type, ++ grub_efi_uintn_t data_size, ++ void *data); ++ ++ grub_efi_status_t (*get_data) (struct grub_efi_ip6_config_protocol *this, ++ grub_efi_ip6_config_data_type_t data_type, ++ grub_efi_uintn_t *data_size, ++ void *data); ++ ++ grub_efi_status_t (*register_data_notify) (struct grub_efi_ip6_config_protocol *this, ++ grub_efi_ip6_config_data_type_t data_type, ++ grub_efi_event_t event); ++ ++ grub_efi_status_t (*unregister_datanotify) (struct grub_efi_ip6_config_protocol *this, ++ grub_efi_ip6_config_data_type_t data_type, ++ grub_efi_event_t event); ++}; ++typedef struct grub_efi_ip6_config_protocol grub_efi_ip6_config_protocol_t; ++ + #if (GRUB_TARGET_SIZEOF_VOID_P == 4) || defined (__ia64__) \ + || defined (__aarch64__) || defined (__MINGW64__) || defined (__CYGWIN__) + +-- +2.6.6 + diff --git a/grub.default b/grub.default index f5108f7..798fc4d 100644 --- a/grub.default +++ b/grub.default @@ -9,7 +9,7 @@ GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 -GRUB_CMDLINE_LINUX_DEFAULT="quiet splash=silent" +GRUB_CMDLINE_LINUX_DEFAULT="" GRUB_CMDLINE_LINUX="" # Uncomment to automatically save last booted menu entry in GRUB2 environment diff --git a/grub2-fix-multi-device-root-kernel-argument.patch b/grub2-fix-multi-device-root-kernel-argument.patch new file mode 100644 index 0000000..65a93bf --- /dev/null +++ b/grub2-fix-multi-device-root-kernel-argument.patch @@ -0,0 +1,44 @@ +Index: grub-2.02~beta2/util/grub.d/10_linux.in +=================================================================== +--- grub-2.02~beta2.orig/util/grub.d/10_linux.in ++++ grub-2.02~beta2/util/grub.d/10_linux.in +@@ -45,12 +45,14 @@ esac + + # btrfs may reside on multiple devices. We cannot pass them as value of root= parameter + # and mounting btrfs requires user space scanning, so force UUID in this case. +-if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ ++if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ + || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ +- || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then ++ || uses_abstraction "${GRUB_DEVICE}" lvm ) && test -e "${GRUB_DEVICE}"; then + LINUX_ROOT_DEVICE=${GRUB_DEVICE} + else +- LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} ++ if [ "x${GRUB_DEVICE_UUID}" != "x" ]; then ++ LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} ++ fi + fi + + if [ "x$GRUB_CONMODE" != "x" ]; then +Index: grub-2.02~beta2/util/grub.d/20_linux_xen.in +=================================================================== +--- grub-2.02~beta2.orig/util/grub.d/20_linux_xen.in ++++ grub-2.02~beta2/util/grub.d/20_linux_xen.in +@@ -55,12 +55,14 @@ esac + + # btrfs may reside on multiple devices. We cannot pass them as value of root= parameter + # and mounting btrfs requires user space scanning, so force UUID in this case. +-if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ ++if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ + || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ +- || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then ++ || uses_abstraction "${GRUB_DEVICE}" lvm ) && test -e "${GRUB_DEVICE}"; then + LINUX_ROOT_DEVICE=${GRUB_DEVICE} + else +- LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} ++ if [ "x${GRUB_DEVICE_UUID}" != "x" ]; then ++ LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} ++ fi + fi + + # Allow overriding GRUB_CMDLINE_LINUX and GRUB_CMDLINE_LINUX_DEFAULT. diff --git a/grub2-suse-remove-linux-root-param.patch b/grub2-suse-remove-linux-root-param.patch new file mode 100644 index 0000000..8741031 --- /dev/null +++ b/grub2-suse-remove-linux-root-param.patch @@ -0,0 +1,83 @@ +Index: grub-2.02~beta2/util/grub-mkconfig.in +=================================================================== +--- grub-2.02~beta2.orig/util/grub-mkconfig.in ++++ grub-2.02~beta2/util/grub-mkconfig.in +@@ -261,7 +261,8 @@ export GRUB_DEFAULT \ + GRUB_CMDLINE_LINUX_RECOVERY \ + GRUB_USE_LINUXEFI \ + SUSE_BTRFS_SNAPSHOT_BOOTING \ +- SUSE_CMDLINE_XENEFI ++ SUSE_CMDLINE_XENEFI \ ++ SUSE_REMOVE_LINUX_ROOT_PARAM + + if test "x${grub_cfg}" != "x"; then + rm -f "${grub_cfg}.new" +Index: grub-2.02~beta2/util/grub.d/10_linux.in +=================================================================== +--- grub-2.02~beta2.orig/util/grub.d/10_linux.in ++++ grub-2.02~beta2/util/grub.d/10_linux.in +@@ -66,7 +66,7 @@ case x"$GRUB_FS" in + else + rootsubvol="`make_system_path_relative_to_its_root /`" + rootsubvol="${rootsubvol#/}" +- if [ "x${rootsubvol}" != x ]; then ++ if [ "x${rootsubvol}" != x ] && [ "x$SUSE_REMOVE_LINUX_ROOT_PARAM" != "xtrue" ]; then + GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}" + fi + fi;; +@@ -77,6 +77,10 @@ case x"$GRUB_FS" in + ;; + esac + ++if [ "x$SUSE_REMOVE_LINUX_ROOT_PARAM" = "xtrue" ]; then ++ LINUX_ROOT_DEVICE="" ++fi ++ + title_correction_code= + + hotkey=1 +Index: grub-2.02~beta2/util/grub.d/20_linux_xen.in +=================================================================== +--- grub-2.02~beta2.orig/util/grub.d/20_linux_xen.in ++++ grub-2.02~beta2/util/grub.d/20_linux_xen.in +@@ -80,7 +80,7 @@ case x"$GRUB_FS" in + else + rootsubvol="`make_system_path_relative_to_its_root /`" + rootsubvol="${rootsubvol#/}" +- if [ "x${rootsubvol}" != x ]; then ++ if [ "x${rootsubvol}" != x ] && [ "x$SUSE_REMOVE_LINUX_ROOT_PARAM" != "xtrue" ]; then + GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}" + fi + fi;; +@@ -91,6 +91,10 @@ case x"$GRUB_FS" in + ;; + esac + ++if [ "x$SUSE_REMOVE_LINUX_ROOT_PARAM" = "xtrue" ]; then ++ LINUX_ROOT_DEVICE="" ++fi ++ + title_correction_code= + + if [ -d /sys/firmware/efi ]; then +Index: grub-2.02~beta2/util/s390x/zipl2grub.pl.in +=================================================================== +--- grub-2.02~beta2.orig/util/s390x/zipl2grub.pl.in ++++ grub-2.02~beta2/util/s390x/zipl2grub.pl.in +@@ -361,9 +361,13 @@ while ( ) { + } else { + $v = ""; + } +- if ($k eq "GRUB_DEVICE" && $v !~ /^UUID/ && ! -e $v) { +- s{root=\@$k\@}{}g; +- next; ++ if ($k eq "GRUB_DEVICE") { ++ if (($v !~ /^UUID/ && ! -e $v) || ++ (exists( $C{SUSE_REMOVE_LINUX_ROOT_PARAM}) && ++ $C{SUSE_REMOVE_LINUX_ROOT_PARAM} eq "true")) { ++ s{root=\@$k\@}{}g; ++ next; ++ } + } + s{\@$k\@}{$v}g; + } diff --git a/grub2-zipl-setup-fix-btrfs-multipledev.patch b/grub2-zipl-setup-fix-btrfs-multipledev.patch new file mode 100644 index 0000000..8fd7b5c --- /dev/null +++ b/grub2-zipl-setup-fix-btrfs-multipledev.patch @@ -0,0 +1,15 @@ +Index: grub-2.02~beta2/util/s390x/zipl2grub.pl.in +=================================================================== +--- grub-2.02~beta2.orig/util/s390x/zipl2grub.pl.in ++++ grub-2.02~beta2/util/s390x/zipl2grub.pl.in +@@ -361,6 +361,10 @@ while ( ) { + } else { + $v = ""; + } ++ if ($k eq "GRUB_DEVICE" && $v !~ /^UUID/ && ! -e $v) { ++ s{root=\@$k\@}{}g; ++ next; ++ } + s{\@$k\@}{$v}g; + } + Info( 2, $_); diff --git a/grub2.changes b/grub2.changes index c7d495c..56428b5 100644 --- a/grub2.changes +++ b/grub2.changes @@ -1,3 +1,41 @@ +------------------------------------------------------------------- +Wed Aug 3 04:45:51 UTC 2016 - mchang@suse.com + +- grub.default: Empty GRUB_CMDLINE_LINUX_DEFAULT, the value will be fully + taken from YaST settings. (bsc#989803) + +------------------------------------------------------------------- +Wed Aug 3 04:45:34 UTC 2016 - mchang@suse.com + +- Add patches from Roberto Sassu +- Fix grub2-10_linux-avoid-multi-device-root-kernel-argument.patch, + device path is not tested if GRUB_DISABLE_LINUX_UUID="true" + - added grub2-fix-multi-device-root-kernel-argument.patch + (bsc#960776) +- grub2-zipl-setup: avoid multi-device root= kernel argument + * added grub2-zipl-setup-fix-btrfs-multipledev.patch + (bsc#960776) +- Add SUSE_REMOVE_LINUX_ROOT_PARAM configuration option + to /etc/default/grub, to remove root= and rootflags= from the + kernel command line in /boot/grub2/grub.cfg and /boot/zipl/config + - added grub2-suse-remove-linux-root-param.patch + (bsc#962585) + +------------------------------------------------------------------- +Tue Aug 2 09:05:11 UTC 2016 - mchang@suse.com + +- Support HTTP Boot IPv4 and IPv6 (fate#320129) + * 0001-misc-fix-invalid-character-recongition-in-strto-l.patch + * 0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch + * 0003-bootp-New-net_bootp6-command.patch + * 0004-efinet-UEFI-IPv6-PXE-support.patch + * 0005-grub.texi-Add-net_bootp6-doument.patch + * 0006-bootp-Add-processing-DHCPACK-packet-from-HTTP-Boot.patch + * 0007-efinet-Setting-network-from-UEFI-device-path.patch + * 0008-efinet-Setting-DNS-server-from-UEFI-protocol.patch +- Fix heap corruption after dns lookup + * 0001-dns-fix-buffer-overflow-for-data-addresses-in-recv_h.patch + ------------------------------------------------------------------- Tue Jun 28 00:31:47 CEST 2016 - ro@suse.de diff --git a/grub2.spec b/grub2.spec index 740bb09..fe6d0aa 100644 --- a/grub2.spec +++ b/grub2.spec @@ -184,8 +184,7 @@ Patch65: grub2-mkconfig-aarch64.patch Patch70: grub2-default-distributor.patch Patch71: grub2-menu-unrestricted.patch Patch72: grub2-mkconfig-arm.patch -Patch73: 0001-10_linux-Fix-grouping-of-tests-for-GRUB_DEVICE.patch -Patch74: 0002-20_linux_xen-fix-test-for-GRUB_DEVICE.patch +Patch73: 0001-dns-fix-buffer-overflow-for-data-addresses-in-recv_h.patch # Btrfs snapshot booting related patches Patch101: grub2-btrfs-01-add-ability-to-boot-from-subvolumes.patch Patch102: grub2-btrfs-02-export-subvolume-envvars.patch @@ -206,6 +205,12 @@ Patch140: grub2-Add-hidden-menu-entries.patch Patch141: grub2-SUSE-Add-the-t-hotkey.patch # EFI free memory on exit fix (bsc#980739) Patch150: grub2-efi-Free-malloc-regions-on-exit.patch +# Linux root device related patches +Patch160: 0001-10_linux-Fix-grouping-of-tests-for-GRUB_DEVICE.patch +Patch161: 0002-20_linux_xen-fix-test-for-GRUB_DEVICE.patch +Patch162: grub2-fix-multi-device-root-kernel-argument.patch +Patch163: grub2-zipl-setup-fix-btrfs-multipledev.patch +Patch164: grub2-suse-remove-linux-root-param.patch # PPC64 LE support Patch205: grub2-ppc64le-disable-video.patch Patch207: grub2-ppc64le-memory-map.patch @@ -213,6 +218,15 @@ Patch233: grub2-use-stat-instead-of-udevadm-for-partition-lookup.patch Patch235: 0002-Add-Virtual-LAN-support.patch Patch236: grub2-efi_gop-avoid-low-resolution.patch Patch277: grub2-ppc64-cas-reboot-support.patch +# Support HTTP Boot IPv4 and IPv6 (fate#320129) +Patch280: 0001-misc-fix-invalid-character-recongition-in-strto-l.patch +Patch281: 0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch +Patch282: 0003-bootp-New-net_bootp6-command.patch +Patch283: 0004-efinet-UEFI-IPv6-PXE-support.patch +Patch284: 0005-grub.texi-Add-net_bootp6-doument.patch +Patch285: 0006-bootp-Add-processing-DHCPACK-packet-from-HTTP-Boot.patch +Patch286: 0007-efinet-Setting-network-from-UEFI-device-path.patch +Patch287: 0008-efinet-Setting-DNS-server-from-UEFI-protocol.patch Requires: gettext-runtime %if 0%{?suse_version} >= 1140 @@ -372,12 +386,6 @@ swap partition while in resuming %setup -q -n grub-%{version} -a 5 (cd po && ls *.po | cut -d. -f1 | xargs) >po/LINGUAS %patch1 -p1 -# This simplifies patch handling without need to use git to create patch -# that renames file -mv docs/grub.texi docs/grub2.texi -# This avoids attempt to rebuild potfiles which fails because necessary -# sources are not included in tarball -mv po/grub.pot po/%{name}.pot %patch2 -p1 %patch3 -p1 %patch6 -p1 @@ -415,7 +423,6 @@ mv po/grub.pot po/%{name}.pot %patch71 -p1 %patch72 -p1 %patch73 -p1 -%patch74 -p1 %patch101 -p1 %patch102 -p1 %patch103 -p1 @@ -431,12 +438,32 @@ mv po/grub.pot po/%{name}.pot %patch140 -p1 %patch141 -p1 %patch150 -p1 +%patch160 -p1 +%patch161 -p1 +%patch162 -p1 +%patch163 -p1 +%patch164 -p1 %patch205 -p1 %patch207 -p1 %patch233 -p1 %patch235 -p1 %patch236 -p1 %patch277 -p1 +%patch280 -p1 +%patch281 -p1 +%patch282 -p1 +%patch283 -p1 +%patch284 -p1 +%patch285 -p1 +%patch286 -p1 +%patch287 -p1 + +# This simplifies patch handling without need to use git to create patch +# that renames file +mv docs/grub.texi docs/grub2.texi +# This avoids attempt to rebuild potfiles which fails because necessary +# sources are not included in tarball +mv po/grub.pot po/%{name}.pot # Generate po/LINGUAS for message catalogs ... ./linguas.sh