5 * Copyright (C) 2007-2013 Intel Corporation. All rights reserved.
6 * Copyright (C) 2003-2005 Go-Core Project
7 * Copyright (C) 2003-2006 Helsinki University of Technology
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
35 #include <sys/ioctl.h>
36 #include <sys/socket.h>
37 #include <linux/sockios.h>
39 #include <arpa/inet.h>
40 #include <net/route.h>
41 #include <net/ethernet.h>
43 #include <net/if_arp.h>
44 #include <netinet/icmp6.h>
46 #include <linux/if_tun.h>
49 #include <linux/fib_rules.h>
52 #include <gdhcp/gdhcp.h>
54 #define NLMSG_TAIL(nmsg) \
55 ((struct rtattr *) (((uint8_t*) (nmsg)) + \
56 NLMSG_ALIGN((nmsg)->nlmsg_len)))
58 int __connman_inet_rtnl_addattr_l(struct nlmsghdr *n, size_t max_length,
59 int type, const void *data, size_t data_length)
64 length = RTA_LENGTH(data_length);
66 if (NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(length) > max_length)
71 rta->rta_len = length;
72 memcpy(RTA_DATA(rta), data, data_length);
73 n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(length);
78 int __connman_inet_modify_address(int cmd, int flags,
79 int index, int family,
82 unsigned char prefixlen,
83 const char *broadcast)
85 uint8_t request[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
86 NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
87 RTA_LENGTH(sizeof(struct in6_addr)) +
88 RTA_LENGTH(sizeof(struct in6_addr))];
90 struct nlmsghdr *header;
91 struct sockaddr_nl nl_addr;
92 struct ifaddrmsg *ifaddrmsg;
93 struct in6_addr ipv6_addr;
94 struct in_addr ipv4_addr, ipv4_dest, ipv4_bcast;
97 DBG("cmd %#x flags %#x index %d family %d address %s peer %s "
98 "prefixlen %hhu broadcast %s", cmd, flags, index, family,
99 address, peer, prefixlen, broadcast);
104 if (family != AF_INET && family != AF_INET6)
107 memset(&request, 0, sizeof(request));
109 header = (struct nlmsghdr *)request;
110 header->nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
111 header->nlmsg_type = cmd;
112 header->nlmsg_flags = NLM_F_REQUEST | flags;
113 header->nlmsg_seq = 1;
115 ifaddrmsg = NLMSG_DATA(header);
116 ifaddrmsg->ifa_family = family;
117 ifaddrmsg->ifa_prefixlen = prefixlen;
118 ifaddrmsg->ifa_flags = IFA_F_PERMANENT;
119 ifaddrmsg->ifa_scope = RT_SCOPE_UNIVERSE;
120 ifaddrmsg->ifa_index = index;
122 if (family == AF_INET) {
123 if (inet_pton(AF_INET, address, &ipv4_addr) < 1)
127 inet_pton(AF_INET, broadcast, &ipv4_bcast);
129 ipv4_bcast.s_addr = ipv4_addr.s_addr |
130 htonl(0xfffffffflu >> prefixlen);
133 if (inet_pton(AF_INET, peer, &ipv4_dest) < 1)
136 err = __connman_inet_rtnl_addattr_l(header,
145 err = __connman_inet_rtnl_addattr_l(header,
153 err = __connman_inet_rtnl_addattr_l(header,
161 } else if (family == AF_INET6) {
162 if (inet_pton(AF_INET6, address, &ipv6_addr) < 1)
165 err = __connman_inet_rtnl_addattr_l(header,
174 sk = socket(AF_NETLINK, SOCK_DGRAM | SOCK_CLOEXEC, NETLINK_ROUTE);
178 memset(&nl_addr, 0, sizeof(nl_addr));
179 nl_addr.nl_family = AF_NETLINK;
181 if ((err = sendto(sk, request, header->nlmsg_len, 0,
182 (struct sockaddr *) &nl_addr, sizeof(nl_addr))) < 0)
193 int connman_inet_ifindex(const char *name)
201 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
205 memset(&ifr, 0, sizeof(ifr));
206 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name) - 1);
208 err = ioctl(sk, SIOCGIFINDEX, &ifr);
215 return ifr.ifr_ifindex;
218 char *connman_inet_ifname(int index)
226 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
230 memset(&ifr, 0, sizeof(ifr));
231 ifr.ifr_ifindex = index;
233 err = ioctl(sk, SIOCGIFNAME, &ifr);
240 return g_strdup(ifr.ifr_name);
243 int connman_inet_ifup(int index)
248 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
252 memset(&ifr, 0, sizeof(ifr));
253 ifr.ifr_ifindex = index;
255 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
260 if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
265 if (ifr.ifr_flags & IFF_UP) {
270 ifr.ifr_flags |= (IFF_UP|IFF_DYNAMIC);
272 if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0) {
285 int connman_inet_ifdown(int index)
287 struct ifreq ifr, addr_ifr;
288 struct sockaddr_in *addr;
291 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
295 memset(&ifr, 0, sizeof(ifr));
296 ifr.ifr_ifindex = index;
298 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
303 if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
308 memset(&addr_ifr, 0, sizeof(addr_ifr));
309 memcpy(&addr_ifr.ifr_name, &ifr.ifr_name, sizeof(ifr.ifr_name) - 1);
310 addr = (struct sockaddr_in *)&addr_ifr.ifr_addr;
311 addr->sin_family = AF_INET;
312 if (ioctl(sk, SIOCSIFADDR, &addr_ifr) < 0)
313 connman_warn("Could not clear IPv4 address index %d", index);
315 if (!(ifr.ifr_flags & IFF_UP)) {
320 ifr.ifr_flags = (ifr.ifr_flags & ~IFF_UP) | IFF_DYNAMIC;
322 if (ioctl(sk, SIOCSIFFLAGS, &ifr) < 0)
333 #if defined TIZEN_EXT
334 void connman_inet_update_device_ident(struct connman_device *device)
337 enum connman_device_type type;
338 char *ident = NULL, *addr = NULL;
340 index = connman_device_get_index(device);
341 type = connman_device_get_type(device);
344 case CONNMAN_DEVICE_TYPE_UNKNOWN:
346 case CONNMAN_DEVICE_TYPE_ETHERNET:
347 case CONNMAN_DEVICE_TYPE_GADGET:
348 case CONNMAN_DEVICE_TYPE_WIFI:
349 addr = index2addr(index);
351 case CONNMAN_DEVICE_TYPE_BLUETOOTH:
352 case CONNMAN_DEVICE_TYPE_CELLULAR:
353 case CONNMAN_DEVICE_TYPE_GPS:
354 case CONNMAN_DEVICE_TYPE_VENDOR:
359 case CONNMAN_DEVICE_TYPE_VENDOR:
360 case CONNMAN_DEVICE_TYPE_GPS:
362 case CONNMAN_DEVICE_TYPE_ETHERNET:
363 case CONNMAN_DEVICE_TYPE_GADGET:
364 ident = index2ident(index, NULL);
366 case CONNMAN_DEVICE_TYPE_WIFI:
367 ident = index2ident(index, NULL);
369 case CONNMAN_DEVICE_TYPE_BLUETOOTH:
371 case CONNMAN_DEVICE_TYPE_CELLULAR:
372 ident = index2ident(index, NULL);
377 connman_device_set_ident(device, ident);
382 connman_device_set_string(device, "Address", addr);
389 struct in6_addr ifr6_addr;
390 __u32 ifr6_prefixlen;
391 unsigned int ifr6_ifindex;
394 int connman_inet_set_ipv6_address(int index,
395 struct connman_ipaddress *ipaddress)
398 unsigned char prefix_len;
401 if (!ipaddress->local)
404 prefix_len = ipaddress->prefixlen;
405 address = ipaddress->local;
407 DBG("index %d address %s prefix_len %d", index, address, prefix_len);
409 err = __connman_inet_modify_address(RTM_NEWADDR,
410 NLM_F_REPLACE | NLM_F_ACK, index, AF_INET6,
411 address, NULL, prefix_len, NULL);
413 connman_error("%s: %s", __func__, strerror(-err));
420 int connman_inet_set_address(int index, struct connman_ipaddress *ipaddress)
423 unsigned char prefix_len;
424 const char *address, *broadcast, *peer;
426 if (!ipaddress->local)
429 prefix_len = ipaddress->prefixlen;
430 address = ipaddress->local;
431 broadcast = ipaddress->broadcast;
432 peer = ipaddress->peer;
434 DBG("index %d address %s prefix_len %d", index, address, prefix_len);
436 err = __connman_inet_modify_address(RTM_NEWADDR,
437 NLM_F_REPLACE | NLM_F_ACK, index, AF_INET,
438 address, peer, prefix_len, broadcast);
440 connman_error("%s: %s", __func__, strerror(-err));
447 int connman_inet_clear_ipv6_address(int index, const char *address,
452 DBG("index %d address %s prefix_len %d", index, address, prefix_len);
457 err = __connman_inet_modify_address(RTM_DELADDR, 0, index, AF_INET6,
458 address, NULL, prefix_len, NULL);
460 connman_error("%s: %s", __func__, strerror(-err));
467 int connman_inet_clear_address(int index, struct connman_ipaddress *ipaddress)
470 unsigned char prefix_len;
471 const char *address, *broadcast, *peer;
473 prefix_len = ipaddress->prefixlen;
474 address = ipaddress->local;
475 broadcast = ipaddress->broadcast;
476 peer = ipaddress->peer;
478 DBG("index %d address %s prefix_len %d peer %s broadcast %s", index,
479 address, prefix_len, peer, broadcast);
484 err = __connman_inet_modify_address(RTM_DELADDR, 0, index, AF_INET,
485 address, peer, prefix_len, broadcast);
487 connman_error("%s: %s", __func__, strerror(-err));
494 int connman_inet_add_host_route(int index, const char *host,
497 return connman_inet_add_network_route(index, host, gateway, NULL);
500 int connman_inet_del_host_route(int index, const char *host)
502 return connman_inet_del_network_route(index, host);
505 int connman_inet_add_network_route(int index, const char *host,
511 struct sockaddr_in addr;
514 DBG("index %d host %s gateway %s netmask %s", index,
515 host, gateway, netmask);
517 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
523 memset(&ifr, 0, sizeof(ifr));
524 ifr.ifr_ifindex = index;
526 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
532 DBG("ifname %s", ifr.ifr_name);
534 memset(&rt, 0, sizeof(rt));
535 rt.rt_flags = RTF_UP;
537 rt.rt_flags |= RTF_GATEWAY;
539 rt.rt_flags |= RTF_HOST;
541 memset(&addr, 0, sizeof(addr));
542 addr.sin_family = AF_INET;
543 addr.sin_addr.s_addr = inet_addr(host);
544 memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
546 memset(&addr, 0, sizeof(addr));
547 addr.sin_family = AF_INET;
549 addr.sin_addr.s_addr = inet_addr(gateway);
551 addr.sin_addr.s_addr = INADDR_ANY;
552 memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
554 memset(&addr, 0, sizeof(addr));
555 addr.sin_family = AF_INET;
556 addr.sin_addr.s_addr = INADDR_ANY;
558 addr.sin_addr.s_addr = inet_addr(netmask);
560 addr.sin_addr.s_addr = INADDR_ANY;
561 memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
563 rt.rt_dev = ifr.ifr_name;
565 if (ioctl(sk, SIOCADDRT, &rt) < 0 && errno != EEXIST)
572 connman_error("Adding host route failed (%s)",
578 int connman_inet_del_network_route(int index, const char *host)
582 struct sockaddr_in addr;
585 DBG("index %d host %s", index, host);
587 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
593 memset(&ifr, 0, sizeof(ifr));
594 ifr.ifr_ifindex = index;
596 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
602 DBG("ifname %s", ifr.ifr_name);
604 memset(&rt, 0, sizeof(rt));
605 rt.rt_flags = RTF_UP | RTF_HOST;
607 memset(&addr, 0, sizeof(addr));
608 addr.sin_family = AF_INET;
609 addr.sin_addr.s_addr = inet_addr(host);
610 memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
612 rt.rt_dev = ifr.ifr_name;
614 if (ioctl(sk, SIOCDELRT, &rt) < 0 && errno != ESRCH)
621 connman_error("Deleting host route failed (%s)",
627 int connman_inet_del_ipv6_network_route(int index, const char *host,
628 unsigned char prefix_len)
633 DBG("index %d host %s", index, host);
638 memset(&rt, 0, sizeof(rt));
640 rt.rtmsg_dst_len = prefix_len;
642 if (inet_pton(AF_INET6, host, &rt.rtmsg_dst) < 0) {
647 rt.rtmsg_flags = RTF_UP | RTF_HOST;
650 rt.rtmsg_ifindex = index;
652 sk = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);
658 if (ioctl(sk, SIOCDELRT, &rt) < 0 && errno != ESRCH)
665 connman_error("Del IPv6 host route error (%s)",
671 int connman_inet_del_ipv6_host_route(int index, const char *host)
673 return connman_inet_del_ipv6_network_route(index, host, 128);
676 int connman_inet_add_ipv6_network_route(int index, const char *host,
678 unsigned char prefix_len)
683 DBG("index %d host %s gateway %s", index, host, gateway);
688 memset(&rt, 0, sizeof(rt));
690 rt.rtmsg_dst_len = prefix_len;
692 if (inet_pton(AF_INET6, host, &rt.rtmsg_dst) < 0) {
697 rt.rtmsg_flags = RTF_UP | RTF_HOST;
700 rt.rtmsg_flags |= RTF_GATEWAY;
701 inet_pton(AF_INET6, gateway, &rt.rtmsg_gateway);
705 rt.rtmsg_ifindex = index;
707 sk = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);
713 if (ioctl(sk, SIOCADDRT, &rt) < 0 && errno != EEXIST)
720 connman_error("Set IPv6 host route error (%s)",
726 int connman_inet_add_ipv6_host_route(int index, const char *host,
729 return connman_inet_add_ipv6_network_route(index, host, gateway, 128);
732 int connman_inet_clear_ipv6_gateway_address(int index, const char *gateway)
737 DBG("index %d gateway %s", index, gateway);
742 memset(&rt, 0, sizeof(rt));
744 if (inet_pton(AF_INET6, gateway, &rt.rtmsg_gateway) < 0) {
749 rt.rtmsg_flags = RTF_UP | RTF_GATEWAY;
751 rt.rtmsg_dst_len = 0;
752 rt.rtmsg_ifindex = index;
754 sk = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);
760 if (ioctl(sk, SIOCDELRT, &rt) < 0 && errno != ESRCH)
767 connman_error("Clear default IPv6 gateway error (%s)",
773 int connman_inet_set_gateway_interface(int index)
777 struct sockaddr_in addr;
780 DBG("index %d", index);
782 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
788 memset(&ifr, 0, sizeof(ifr));
789 ifr.ifr_ifindex = index;
791 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
797 DBG("ifname %s", ifr.ifr_name);
799 memset(&rt, 0, sizeof(rt));
800 rt.rt_flags = RTF_UP;
802 memset(&addr, 0, sizeof(addr));
803 addr.sin_family = AF_INET;
804 addr.sin_addr.s_addr = INADDR_ANY;
806 memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
807 memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
808 memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
810 rt.rt_dev = ifr.ifr_name;
812 if (ioctl(sk, SIOCADDRT, &rt) < 0 && errno != EEXIST)
819 connman_error("Setting default interface route failed (%s)",
825 int connman_inet_set_ipv6_gateway_interface(int index)
829 struct sockaddr_in6 addr;
830 const struct in6_addr any = IN6ADDR_ANY_INIT;
833 DBG("index %d", index);
835 sk = socket(PF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);
841 memset(&ifr, 0, sizeof(ifr));
842 ifr.ifr_ifindex = index;
844 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
850 DBG("ifname %s", ifr.ifr_name);
852 memset(&rt, 0, sizeof(rt));
853 rt.rt_flags = RTF_UP;
855 memset(&addr, 0, sizeof(addr));
856 addr.sin6_family = AF_INET6;
857 addr.sin6_addr = any;
859 memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
860 memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
861 memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
863 rt.rt_dev = ifr.ifr_name;
865 if (ioctl(sk, SIOCADDRT, &rt) < 0 && errno != EEXIST)
872 connman_error("Setting default interface route failed (%s)",
878 int connman_inet_clear_gateway_address(int index, const char *gateway)
882 struct sockaddr_in addr;
885 DBG("index %d gateway %s", index, gateway);
887 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
893 memset(&ifr, 0, sizeof(ifr));
894 ifr.ifr_ifindex = index;
896 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
902 DBG("ifname %s", ifr.ifr_name);
904 memset(&rt, 0, sizeof(rt));
905 rt.rt_flags = RTF_UP | RTF_GATEWAY;
907 memset(&addr, 0, sizeof(addr));
908 addr.sin_family = AF_INET;
909 addr.sin_addr.s_addr = INADDR_ANY;
910 memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
912 memset(&addr, 0, sizeof(addr));
913 addr.sin_family = AF_INET;
914 addr.sin_addr.s_addr = inet_addr(gateway);
915 memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
917 memset(&addr, 0, sizeof(addr));
918 addr.sin_family = AF_INET;
919 addr.sin_addr.s_addr = INADDR_ANY;
920 memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
922 if (ioctl(sk, SIOCDELRT, &rt) < 0 && errno != ESRCH)
929 connman_error("Removing default gateway route failed (%s)",
935 int connman_inet_clear_gateway_interface(int index)
939 struct sockaddr_in addr;
942 DBG("index %d", index);
944 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
950 memset(&ifr, 0, sizeof(ifr));
951 ifr.ifr_ifindex = index;
953 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
959 DBG("ifname %s", ifr.ifr_name);
961 memset(&rt, 0, sizeof(rt));
962 rt.rt_flags = RTF_UP;
964 memset(&addr, 0, sizeof(addr));
965 addr.sin_family = AF_INET;
966 addr.sin_addr.s_addr = INADDR_ANY;
968 memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
969 memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
970 memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
972 rt.rt_dev = ifr.ifr_name;
974 if (ioctl(sk, SIOCDELRT, &rt) < 0 && errno != ESRCH)
981 connman_error("Removing default interface route failed (%s)",
987 int connman_inet_clear_ipv6_gateway_interface(int index)
991 struct sockaddr_in6 addr;
992 const struct in6_addr any = IN6ADDR_ANY_INIT;
995 DBG("index %d", index);
997 sk = socket(PF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);
1003 memset(&ifr, 0, sizeof(ifr));
1004 ifr.ifr_ifindex = index;
1006 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
1012 DBG("ifname %s", ifr.ifr_name);
1014 memset(&rt, 0, sizeof(rt));
1015 rt.rt_flags = RTF_UP;
1017 memset(&addr, 0, sizeof(addr));
1018 addr.sin6_family = AF_INET6;
1019 addr.sin6_addr = any;
1021 memcpy(&rt.rt_genmask, &addr, sizeof(rt.rt_genmask));
1022 memcpy(&rt.rt_dst, &addr, sizeof(rt.rt_dst));
1023 memcpy(&rt.rt_gateway, &addr, sizeof(rt.rt_gateway));
1025 rt.rt_dev = ifr.ifr_name;
1027 if (ioctl(sk, SIOCDELRT, &rt) < 0 && errno != ESRCH)
1034 connman_error("Removing default interface route failed (%s)",
1040 bool connman_inet_compare_subnet(int index, const char *host)
1043 struct in_addr _host_addr;
1044 in_addr_t host_addr, netmask_addr, if_addr;
1045 struct sockaddr_in *netmask, *addr;
1048 DBG("host %s", host);
1053 if (inet_aton(host, &_host_addr) == 0)
1055 host_addr = _host_addr.s_addr;
1057 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
1061 memset(&ifr, 0, sizeof(ifr));
1062 ifr.ifr_ifindex = index;
1064 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
1069 if (ioctl(sk, SIOCGIFNETMASK, &ifr) < 0) {
1074 netmask = (struct sockaddr_in *)&ifr.ifr_netmask;
1075 netmask_addr = netmask->sin_addr.s_addr;
1077 if (ioctl(sk, SIOCGIFADDR, &ifr) < 0) {
1084 addr = (struct sockaddr_in *)&ifr.ifr_addr;
1085 if_addr = addr->sin_addr.s_addr;
1087 return ((if_addr & netmask_addr) == (host_addr & netmask_addr));
1090 int connman_inet_remove_from_bridge(int index, const char *bridge)
1098 sk = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
1104 memset(&ifr, 0, sizeof(ifr));
1105 strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name) - 1);
1106 ifr.ifr_ifindex = index;
1108 if (ioctl(sk, SIOCBRDELIF, &ifr) < 0)
1115 connman_error("Remove interface from bridge error %s",
1121 int connman_inet_add_to_bridge(int index, const char *bridge)
1129 sk = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
1135 memset(&ifr, 0, sizeof(ifr));
1136 strncpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name) - 1);
1137 ifr.ifr_ifindex = index;
1139 if (ioctl(sk, SIOCBRADDIF, &ifr) < 0)
1146 connman_error("Add interface to bridge error %s",
1152 int connman_inet_set_mtu(int index, int mtu)
1157 sk = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
1161 memset(&ifr, 0, sizeof(ifr));
1162 ifr.ifr_ifindex = index;
1164 err = ioctl(sk, SIOCGIFNAME, &ifr);
1167 err = ioctl(sk, SIOCSIFMTU, &ifr);
1174 int connman_inet_setup_tunnel(char *tunnel, int mtu)
1184 sk = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
1188 index = if_nametoindex(tunnel);
1190 err = connman_inet_set_mtu(index, mtu);
1194 memset(&ifr, 0, sizeof(ifr));
1195 strncpy(ifr.ifr_name, tunnel, sizeof(ifr.ifr_name) - 1);
1196 err = ioctl(sk, SIOCGIFFLAGS, &ifr);
1203 if ((ifr.ifr_flags ^ flags) & mask) {
1204 ifr.ifr_flags &= ~mask;
1205 ifr.ifr_flags |= mask & flags;
1206 err = ioctl(sk, SIOCSIFFLAGS, &ifr);
1208 connman_error("SIOCSIFFLAGS failed: %s",
1217 int connman_inet_create_tunnel(char **iface)
1222 fd = open("/dev/net/tun", O_RDWR | O_CLOEXEC);
1225 connman_error("Failed to open /dev/net/tun: %s",
1230 memset(&ifr, 0, sizeof(ifr));
1231 ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
1233 for (i = 0; i < 256; i++) {
1234 sprintf(ifr.ifr_name, "tun%d", i);
1236 if (!ioctl(fd, TUNSETIFF, (void *)&ifr))
1241 connman_error("Failed to find available tun device");
1246 *iface = g_strdup(ifr.ifr_name);
1252 * This callback struct is used when sending router and neighbor
1253 * solicitation and advertisement messages.
1256 GIOChannel *channel;
1258 struct sockaddr_in6 addr;
1264 #define CMSG_BUF_LEN 512
1265 #define IN6ADDR_ALL_NODES_MC_INIT \
1266 { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x1 } } } /* ff02::1 */
1267 #define IN6ADDR_ALL_ROUTERS_MC_INIT \
1268 { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x2 } } } /* ff02::2 */
1270 static const struct in6_addr in6addr_all_nodes_mc = IN6ADDR_ALL_NODES_MC_INIT;
1271 static const struct in6_addr in6addr_all_routers_mc =
1272 IN6ADDR_ALL_ROUTERS_MC_INIT;
1274 static void xs_cleanup(struct xs_cb_data *data)
1276 if (data->channel) {
1277 g_io_channel_shutdown(data->channel, TRUE, NULL);
1278 g_io_channel_unref(data->channel);
1279 data->channel = NULL;
1282 if (data->timeout > 0)
1283 g_source_remove(data->timeout);
1285 if (data->watch_id > 0)
1286 g_source_remove(data->watch_id);
1291 static gboolean rs_timeout_cb(gpointer user_data)
1293 struct xs_cb_data *data = user_data;
1295 DBG("user data %p", user_data);
1300 if (data->callback) {
1301 __connman_inet_rs_cb_t cb = data->callback;
1302 cb(NULL, 0, data->user_data);
1310 static int icmpv6_recv(int fd, gpointer user_data)
1314 unsigned char chdr[CMSG_BUF_LEN];
1315 unsigned char buf[1540];
1316 struct xs_cb_data *data = user_data;
1317 struct nd_router_advert *hdr;
1318 struct sockaddr_in6 saddr;
1320 __connman_inet_rs_cb_t cb = data->callback;
1324 iov.iov_len = sizeof(buf);
1327 mhdr.msg_name = (void *)&saddr;
1328 mhdr.msg_namelen = sizeof(struct sockaddr_in6);
1330 mhdr.msg_iov = &iov;
1331 mhdr.msg_iovlen = 1;
1332 mhdr.msg_control = (void *)chdr;
1333 mhdr.msg_controllen = CMSG_BUF_LEN;
1335 len = recvmsg(fd, &mhdr, 0);
1337 cb(NULL, 0, data->user_data);
1342 #if defined TIZEN_EXT
1343 /* Set Received Source Address from router as IPv6 Gateway Address */
1344 char src_addr[INET6_ADDRSTRLEN];
1345 if(inet_ntop(AF_INET6, &(saddr.sin6_addr), src_addr, INET6_ADDRSTRLEN)
1350 DBG("Received Source Address %s from router", src_addr);
1352 /* icmpv6_recv() function can be called in two scenarios :
1353 * 1. When __connman_inet_ipv6_send_rs() is called from check_dhcpv6()
1354 * 2. When __connman_inet_ipv6_send_rs() is called from
1355 * __connman_6to4_probe()
1356 * In the second case it is not required to set DHCPv6 Gateway Address
1357 * as DHCPv6 was not started and network structure was not passed as
1358 * user_data. If it is tried to add Source Address as Gateway Address
1359 * then it will lead to crash because of user_data being ip_address
1360 * instead of network structure. So Adding Gateway Address in case 1st
1363 char *address = data->user_data;
1365 unsigned char buffer[sizeof(struct in6_addr)] = {0, };
1366 /* Checking if user_data is an ip_address */
1367 err = inet_pton(AF_INET, address, buffer);
1368 /* Setting Received Source Address from
1369 * router as Gateway Address */
1371 __connman_network_set_auto_ipv6_gateway(src_addr, data->user_data);
1373 hdr = (struct nd_router_advert *)buf;
1374 DBG("code %d len %zd hdr %zd", hdr->nd_ra_code, len,
1375 sizeof(struct nd_router_advert));
1376 if (hdr->nd_ra_code != 0)
1379 cb(hdr, len, data->user_data);
1385 static gboolean icmpv6_event(GIOChannel *chan, GIOCondition cond, gpointer data)
1391 if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
1394 fd = g_io_channel_unix_get_fd(chan);
1395 ret = icmpv6_recv(fd, data);
1402 /* Adapted from RFC 1071 "C" Implementation Example */
1403 static uint16_t csum(const void *phdr, const void *data, socklen_t datalen,
1404 const void *extra_data, socklen_t extra_datalen)
1406 register unsigned long sum = 0;
1411 /* caller must make sure datalen is even */
1413 addr = (uint16_t *)phdr;
1414 for (i = 0; i < 20; i++)
1418 addr = (uint16_t *)data;
1426 count = extra_datalen;
1427 addr = (uint16_t *)extra_data;
1436 sum = (sum & 0xffff) + (sum >> 16);
1438 return (uint16_t)~sum;
1441 static int ndisc_send_unspec(int type, int oif, const struct in6_addr *dest,
1442 const struct in6_addr *source,
1443 unsigned char *buf, size_t len, uint16_t lifetime)
1446 struct in6_addr src;
1447 struct in6_addr dst;
1449 uint8_t reserved[3];
1456 struct icmp6_hdr icmp;
1457 struct nd_neighbor_solicit ns;
1458 struct nd_router_solicit rs;
1459 struct nd_router_advert ra;
1464 struct cmsghdr *cmsg;
1465 struct in6_pktinfo *pinfo;
1466 struct sockaddr_in6 dst, src;
1467 char cbuf[CMSG_SPACE(sizeof(*pinfo))];
1468 struct iovec iov[2];
1469 int fd, datalen, ret, iovlen = 1;
1470 #if defined TIZEN_EXT
1476 fd = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC, IPPROTO_RAW);
1480 memset(&frame, 0, sizeof(frame));
1481 memset(&dst, 0, sizeof(dst));
1483 if (type == ND_ROUTER_SOLICIT)
1484 datalen = sizeof(frame.i.rs); /* 8, csum() safe */
1485 else if (type == ND_ROUTER_ADVERT) {
1486 datalen = sizeof(frame.i.ra); /* 16, csum() safe */
1487 frame.i.ra.nd_ra_router_lifetime = htons(lifetime);
1488 } else if (type == ND_NEIGHBOR_SOLICIT) {
1489 datalen = sizeof(frame.i.ns); /* 24, csum() safe */
1490 memcpy(&frame.i.ns.nd_ns_target, buf, sizeof(struct in6_addr));
1496 dst.sin6_addr = *dest;
1499 src.sin6_addr = *source;
1501 src.sin6_addr = in6addr_any;
1503 /* Fill in the IPv6 header */
1504 frame.ip.ip6_vfc = 0x60;
1505 frame.ip.ip6_plen = htons(datalen + len);
1506 frame.ip.ip6_nxt = IPPROTO_ICMPV6;
1507 frame.ip.ip6_hlim = 255;
1508 frame.ip.ip6_dst = dst.sin6_addr;
1509 frame.ip.ip6_src = src.sin6_addr;
1510 /* all other fields are already set to zero */
1512 /* Prepare pseudo header for csum */
1513 memset(&phdr, 0, sizeof(phdr));
1514 phdr.dst = dst.sin6_addr;
1515 phdr.src = src.sin6_addr;
1516 phdr.plen = htonl(datalen + len);
1517 phdr.nxt = IPPROTO_ICMPV6;
1519 /* Fill in remaining ICMP header fields */
1520 frame.i.icmp.icmp6_type = type;
1521 frame.i.icmp.icmp6_cksum = csum(&phdr, &frame.i, datalen, buf, len);
1523 iov[0].iov_base = &frame;
1524 iov[0].iov_len = sizeof(frame.ip) + datalen;
1527 iov[1].iov_base = buf;
1528 iov[1].iov_len = len;
1532 dst.sin6_family = AF_INET6;
1533 msgh.msg_name = &dst;
1534 msgh.msg_namelen = sizeof(dst);
1536 msgh.msg_iovlen = iovlen;
1539 memset(cbuf, 0, CMSG_SPACE(sizeof(*pinfo)));
1540 cmsg = (struct cmsghdr *)cbuf;
1541 pinfo = (struct in6_pktinfo *)CMSG_DATA(cmsg);
1542 pinfo->ipi6_ifindex = oif;
1544 cmsg->cmsg_len = CMSG_LEN(sizeof(*pinfo));
1545 cmsg->cmsg_level = IPPROTO_IPV6;
1546 cmsg->cmsg_type = IPV6_PKTINFO;
1547 msgh.msg_control = cmsg;
1548 msgh.msg_controllen = cmsg->cmsg_len;
1550 ret = sendmsg(fd, &msgh, 0);
1551 #if defined TIZEN_EXT
1552 DBG("sendmsg errno: %d/%s", errno, strerror_r(errno, ebuf, sizeof(ebuf)));
1559 static inline void ipv6_addr_set(struct in6_addr *addr,
1560 uint32_t w1, uint32_t w2,
1561 uint32_t w3, uint32_t w4)
1563 addr->s6_addr32[0] = w1;
1564 addr->s6_addr32[1] = w2;
1565 addr->s6_addr32[2] = w3;
1566 addr->s6_addr32[3] = w4;
1569 static inline void ipv6_addr_solict_mult(const struct in6_addr *addr,
1570 struct in6_addr *solicited)
1572 ipv6_addr_set(solicited, htonl(0xFF020000), 0, htonl(0x1),
1573 htonl(0xFF000000) | addr->s6_addr32[3]);
1576 static int if_mc_group(int sock, int ifindex, const struct in6_addr *mc_addr,
1579 unsigned int val = 0;
1580 struct ipv6_mreq mreq;
1583 memset(&mreq, 0, sizeof(mreq));
1584 mreq.ipv6mr_interface = ifindex;
1585 mreq.ipv6mr_multiaddr = *mc_addr;
1587 ret = setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
1591 DBG("Cannot set IPV6_MULTICAST_LOOP %d/%s", ret,
1596 ret = setsockopt(sock, IPPROTO_IPV6, cmd, &mreq, sizeof(mreq));
1599 DBG("Cannot set option %d %d/%s", cmd, ret, strerror(-ret));
1606 int __connman_inet_ipv6_send_rs(int index, int timeout,
1607 __connman_inet_rs_cb_t callback, void *user_data)
1609 struct xs_cb_data *data;
1610 struct icmp6_filter filter;
1611 struct in6_addr solicit;
1612 struct in6_addr dst = in6addr_all_routers_mc;
1618 data = g_try_malloc0(sizeof(struct xs_cb_data));
1622 data->callback = callback;
1623 data->user_data = user_data;
1624 data->timeout = g_timeout_add_seconds(timeout, rs_timeout_cb, data);
1626 sk = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC, IPPROTO_ICMPV6);
1632 ICMP6_FILTER_SETBLOCKALL(&filter);
1633 ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filter);
1635 setsockopt(sk, IPPROTO_ICMPV6, ICMP6_FILTER, &filter,
1636 sizeof(struct icmp6_filter));
1638 ipv6_addr_solict_mult(&dst, &solicit);
1639 if_mc_group(sk, index, &in6addr_all_nodes_mc, IPV6_JOIN_GROUP);
1640 if_mc_group(sk, index, &solicit, IPV6_JOIN_GROUP);
1642 data->channel = g_io_channel_unix_new(sk);
1643 g_io_channel_set_close_on_unref(data->channel, TRUE);
1645 g_io_channel_set_encoding(data->channel, NULL, NULL);
1646 g_io_channel_set_buffered(data->channel, FALSE);
1648 data->watch_id = g_io_add_watch(data->channel,
1649 G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
1650 icmpv6_event, data);
1652 ndisc_send_unspec(ND_ROUTER_SOLICIT, index, &dst, NULL, NULL, 0, 0);
1657 static inline void ipv6_addr_advert_mult(const struct in6_addr *addr,
1658 struct in6_addr *advert)
1660 ipv6_addr_set(advert, htonl(0xFF020000), 0, htonl(0x2),
1661 htonl(0xFF000000) | addr->s6_addr32[3]);
1664 #define MSG_SIZE_SEND 1452
1666 static int inc_len(int len, int inc)
1668 if (len > MSG_SIZE_SEND)
1675 int __connman_inet_ipv6_send_ra(int index, struct in6_addr *src_addr,
1676 GSList *prefixes, int router_lifetime)
1679 struct in6_addr src, *source;
1680 struct in6_addr dst = in6addr_all_nodes_mc;
1681 GDHCPIAPrefix *prefix;
1682 unsigned char buf[MSG_SIZE_SEND];
1683 char addr_str[INET6_ADDRSTRLEN];
1690 sk = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC, IPPROTO_ICMPV6);
1695 __connman_inet_get_interface_ll_address(index, AF_INET6, &src);
1700 DBG("sock %d index %d prefixes %p src %s lifetime %d", sk, index,
1701 prefixes, inet_ntop(AF_INET6, source, addr_str,
1705 memset(buf, 0, MSG_SIZE_SEND);
1708 for (list = prefixes; list; list = list->next) {
1709 struct nd_opt_prefix_info *pinfo;
1711 prefix = list->data;
1712 pinfo = (struct nd_opt_prefix_info *)(buf + len);
1714 len = inc_len(len, sizeof(*pinfo));
1720 pinfo->nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION;
1721 pinfo->nd_opt_pi_len = 4;
1722 pinfo->nd_opt_pi_prefix_len = prefix->prefixlen;
1723 pinfo->nd_opt_pi_flags_reserved = ND_OPT_PI_FLAG_ONLINK;
1724 pinfo->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_AUTO;
1725 if (router_lifetime > 0) {
1726 pinfo->nd_opt_pi_valid_time = htonl(prefix->valid);
1727 pinfo->nd_opt_pi_preferred_time =
1728 htonl(prefix->preferred);
1730 pinfo->nd_opt_pi_reserved2 = 0;
1732 memcpy(&pinfo->nd_opt_pi_prefix, &prefix->prefix,
1733 sizeof(struct in6_addr));
1735 DBG("[%d] index %d prefix %s/%d", count, index,
1736 inet_ntop(AF_INET6, &prefix->prefix, addr_str,
1737 INET6_ADDRSTRLEN), prefix->prefixlen);
1743 err = ndisc_send_unspec(ND_ROUTER_ADVERT, index, &dst, source,
1744 buf, len, router_lifetime);
1746 DBG("cannot send RA %d/%s", err, strerror(-err));
1754 void __connman_inet_ipv6_stop_recv_rs(void *context)
1759 xs_cleanup(context);
1762 static int icmpv6_rs_recv(int fd, gpointer user_data)
1766 unsigned char chdr[CMSG_BUF_LEN];
1767 unsigned char buf[1540];
1768 struct xs_cb_data *data = user_data;
1769 struct nd_router_solicit *hdr;
1770 struct sockaddr_in6 saddr;
1772 __connman_inet_recv_rs_cb_t cb = data->callback;
1776 iov.iov_len = sizeof(buf);
1779 mhdr.msg_name = (void *)&saddr;
1780 mhdr.msg_namelen = sizeof(struct sockaddr_in6);
1782 mhdr.msg_iov = &iov;
1783 mhdr.msg_iovlen = 1;
1784 mhdr.msg_control = (void *)chdr;
1785 mhdr.msg_controllen = CMSG_BUF_LEN;
1787 len = recvmsg(fd, &mhdr, 0);
1789 cb(NULL, 0, data->user_data);
1793 hdr = (struct nd_router_solicit *)buf;
1794 DBG("code %d len %zd hdr %zd", hdr->nd_rs_code, len,
1795 sizeof(struct nd_router_solicit));
1796 if (hdr->nd_rs_code != 0)
1799 cb(hdr, len, data->user_data);
1803 static gboolean icmpv6_rs_event(GIOChannel *chan, GIOCondition cond,
1810 if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
1813 fd = g_io_channel_unix_get_fd(chan);
1814 ret = icmpv6_rs_recv(fd, data);
1821 int __connman_inet_ipv6_start_recv_rs(int index,
1822 __connman_inet_recv_rs_cb_t callback,
1826 struct xs_cb_data *data;
1827 struct icmp6_filter filter;
1828 char addr_str[INET6_ADDRSTRLEN];
1831 data = g_try_malloc0(sizeof(struct xs_cb_data));
1835 data->callback = callback;
1836 data->user_data = user_data;
1838 sk = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC, IPPROTO_ICMPV6);
1846 ICMP6_FILTER_SETBLOCKALL(&filter);
1847 ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &filter);
1849 setsockopt(sk, IPPROTO_ICMPV6, ICMP6_FILTER, &filter,
1850 sizeof(struct icmp6_filter));
1852 err = if_mc_group(sk, index, &in6addr_all_routers_mc, IPV6_JOIN_GROUP);
1854 DBG("Cannot join mc %s %d/%s", inet_ntop(AF_INET6,
1855 &in6addr_all_routers_mc, addr_str, INET6_ADDRSTRLEN),
1856 err, strerror(-err));
1858 data->channel = g_io_channel_unix_new(sk);
1859 g_io_channel_set_close_on_unref(data->channel, TRUE);
1861 g_io_channel_set_encoding(data->channel, NULL, NULL);
1862 g_io_channel_set_buffered(data->channel, FALSE);
1864 data->watch_id = g_io_add_watch(data->channel,
1865 G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
1866 icmpv6_rs_event, data);
1873 static gboolean ns_timeout_cb(gpointer user_data)
1875 struct xs_cb_data *data = user_data;
1877 DBG("user data %p", user_data);
1882 if (data->callback) {
1883 __connman_inet_ns_cb_t cb = data->callback;
1884 cb(NULL, 0, &data->addr.sin6_addr, data->user_data);
1892 static int icmpv6_nd_recv(int fd, gpointer user_data)
1896 unsigned char chdr[CMSG_BUF_LEN];
1897 unsigned char buf[1540];
1898 struct xs_cb_data *data = user_data;
1899 struct nd_neighbor_advert *hdr;
1900 struct sockaddr_in6 saddr;
1902 __connman_inet_ns_cb_t cb = data->callback;
1906 iov.iov_len = sizeof(buf);
1909 mhdr.msg_name = (void *)&saddr;
1910 mhdr.msg_namelen = sizeof(struct sockaddr_in6);
1912 mhdr.msg_iov = &iov;
1913 mhdr.msg_iovlen = 1;
1914 mhdr.msg_control = (void *)chdr;
1915 mhdr.msg_controllen = CMSG_BUF_LEN;
1917 len = recvmsg(fd, &mhdr, 0);
1919 cb(NULL, 0, &data->addr.sin6_addr, data->user_data);
1924 hdr = (struct nd_neighbor_advert *)buf;
1925 DBG("code %d len %zd hdr %zd", hdr->nd_na_code, len,
1926 sizeof(struct nd_neighbor_advert));
1927 if (hdr->nd_na_code != 0)
1931 * We can receive any neighbor advertisement so we need to check if the
1932 * packet was meant for us and ignore the packet otherwise.
1934 if (memcmp(&data->addr.sin6_addr, &hdr->nd_na_target,
1935 sizeof(struct in6_addr)))
1938 cb(hdr, len, &data->addr.sin6_addr, data->user_data);
1944 static gboolean icmpv6_nd_event(GIOChannel *chan, GIOCondition cond,
1951 if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
1954 fd = g_io_channel_unix_get_fd(chan);
1955 ret = icmpv6_nd_recv(fd, data);
1962 int __connman_inet_ipv6_do_dad(int index, int timeout_ms,
1963 struct in6_addr *addr,
1964 __connman_inet_ns_cb_t callback,
1967 struct xs_cb_data *data;
1968 struct icmp6_filter filter;
1969 struct in6_addr solicit;
1970 int sk, err, val = 1;
1972 if (timeout_ms <= 0)
1975 data = g_try_malloc0(sizeof(struct xs_cb_data));
1979 data->callback = callback;
1980 data->user_data = user_data;
1981 data->timeout = g_timeout_add_full(G_PRIORITY_DEFAULT,
1986 memcpy(&data->addr.sin6_addr, addr, sizeof(struct in6_addr));
1988 sk = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC, IPPROTO_ICMPV6);
1994 ICMP6_FILTER_SETBLOCKALL(&filter);
1995 ICMP6_FILTER_SETPASS(ND_NEIGHBOR_ADVERT, &filter);
1997 setsockopt(sk, IPPROTO_ICMPV6, ICMP6_FILTER, &filter,
1998 sizeof(struct icmp6_filter));
2000 if (setsockopt(sk, IPPROTO_IPV6, IPV6_RECVPKTINFO,
2001 &val, sizeof(val)) < 0) {
2003 DBG("Cannot set IPV6_RECVPKTINFO %d/%s", err,
2009 if (setsockopt(sk, IPPROTO_IPV6, IPV6_RECVHOPLIMIT,
2010 &val, sizeof(val)) < 0) {
2012 DBG("Cannot set IPV6_RECVHOPLIMIT %d/%s", err,
2019 setsockopt(sk, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &val, sizeof(val));
2021 ipv6_addr_solict_mult(addr, &solicit);
2022 if_mc_group(sk, index, &in6addr_all_nodes_mc, IPV6_JOIN_GROUP);
2023 if_mc_group(sk, index, &solicit, IPV6_JOIN_GROUP);
2025 data->channel = g_io_channel_unix_new(sk);
2026 g_io_channel_set_close_on_unref(data->channel, TRUE);
2028 g_io_channel_set_encoding(data->channel, NULL, NULL);
2029 g_io_channel_set_buffered(data->channel, FALSE);
2031 data->watch_id = g_io_add_watch(data->channel,
2032 G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
2033 icmpv6_nd_event, data);
2035 err = ndisc_send_unspec(ND_NEIGHBOR_SOLICIT, index, &solicit, NULL,
2036 (unsigned char *)addr, 0, 0);
2038 DBG("Cannot send NS %d/%s", err, strerror(-err));
2045 GSList *__connman_inet_ipv6_get_prefixes(struct nd_router_advert *hdr,
2046 unsigned int length)
2048 GSList *prefixes = NULL;
2052 if (length <= sizeof(struct nd_router_advert))
2055 len = length - sizeof(struct nd_router_advert);
2056 pos = (uint8_t *)hdr + sizeof(struct nd_router_advert);
2059 struct nd_opt_prefix_info *pinfo;
2060 char prefix_str[INET6_ADDRSTRLEN+1], *str;
2067 optlen = pos[1] << 3;
2068 if (optlen == 0 || optlen > len)
2072 case ND_OPT_PREFIX_INFORMATION:
2073 pinfo = (struct nd_opt_prefix_info *)pos;
2074 prefix = inet_ntop(AF_INET6, &pinfo->nd_opt_pi_prefix,
2075 prefix_str, INET6_ADDRSTRLEN);
2079 str = g_strdup_printf("%s/%d", prefix,
2080 pinfo->nd_opt_pi_prefix_len);
2081 prefixes = g_slist_prepend(prefixes, str);
2083 DBG("prefix %s", str);
2095 static int get_dest_addr(int family, int index, char *buf, int len)
2101 sk = socket(family, SOCK_DGRAM | SOCK_CLOEXEC, 0);
2105 memset(&ifr, 0, sizeof(ifr));
2106 ifr.ifr_ifindex = index;
2108 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
2109 DBG("SIOCGIFNAME (%d/%s)", errno, strerror(errno));
2114 if (ioctl(sk, SIOCGIFFLAGS, &ifr) < 0) {
2115 DBG("SIOCGIFFLAGS (%d/%s)", errno, strerror(errno));
2120 if ((ifr.ifr_flags & IFF_POINTOPOINT) == 0) {
2126 DBG("index %d %s", index, ifr.ifr_name);
2128 if (ioctl(sk, SIOCGIFDSTADDR, &ifr) < 0) {
2129 connman_error("Get destination address failed (%s)",
2139 addr = &((struct sockaddr_in *)&ifr.ifr_dstaddr)->sin_addr;
2142 addr = &((struct sockaddr_in6 *)&ifr.ifr_dstaddr)->sin6_addr;
2149 if (!inet_ntop(family, addr, buf, len)) {
2150 DBG("error %d/%s", errno, strerror(errno));
2157 int connman_inet_get_dest_addr(int index, char **dest)
2159 char addr[INET_ADDRSTRLEN];
2162 ret = get_dest_addr(PF_INET, index, addr, INET_ADDRSTRLEN);
2166 *dest = g_strdup(addr);
2168 DBG("destination %s", *dest);
2173 int connman_inet_ipv6_get_dest_addr(int index, char **dest)
2175 char addr[INET6_ADDRSTRLEN];
2178 ret = get_dest_addr(PF_INET6, index, addr, INET6_ADDRSTRLEN);
2182 *dest = g_strdup(addr);
2184 DBG("destination %s", *dest);
2189 int __connman_inet_rtnl_open(struct __connman_inet_rtnl_handle *rth)
2192 int rcvbuf = 1024 * 4;
2194 rth->fd = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE);
2196 connman_error("Can not open netlink socket: %s",
2201 if (setsockopt(rth->fd, SOL_SOCKET, SO_SNDBUF, &sndbuf,
2202 sizeof(sndbuf)) < 0) {
2203 connman_error("SO_SNDBUF: %s", strerror(errno));
2207 if (setsockopt(rth->fd, SOL_SOCKET, SO_RCVBUF, &rcvbuf,
2208 sizeof(rcvbuf)) < 0) {
2209 connman_error("SO_RCVBUF: %s", strerror(errno));
2213 memset(&rth->local, 0, sizeof(rth->local));
2214 rth->local.nl_family = AF_NETLINK;
2215 rth->local.nl_groups = 0;
2217 if (bind(rth->fd, (struct sockaddr *)&rth->local,
2218 sizeof(rth->local)) < 0) {
2219 connman_error("Can not bind netlink socket: %s",
2224 rth->seq = time(NULL);
2226 DBG("fd %d", rth->fd);
2231 struct inet_rtnl_cb_data {
2232 GIOChannel *channel;
2233 __connman_inet_rtnl_cb_t callback;
2236 struct __connman_inet_rtnl_handle *rtnl;
2240 static void inet_rtnl_cleanup(struct inet_rtnl_cb_data *data)
2242 struct __connman_inet_rtnl_handle *rth = data->rtnl;
2244 if (data->channel) {
2245 g_io_channel_shutdown(data->channel, TRUE, NULL);
2246 g_io_channel_unref(data->channel);
2247 data->channel = NULL;
2250 DBG("data %p", data);
2252 if (data->rtnl_timeout > 0)
2253 g_source_remove(data->rtnl_timeout);
2255 if (data->watch_id > 0)
2256 g_source_remove(data->watch_id);
2259 __connman_inet_rtnl_close(rth);
2266 static gboolean inet_rtnl_timeout_cb(gpointer user_data)
2268 struct inet_rtnl_cb_data *data = user_data;
2270 DBG("user data %p", user_data);
2276 data->callback(NULL, data->user_data);
2278 data->rtnl_timeout = 0;
2279 inet_rtnl_cleanup(data);
2283 static int inet_rtnl_recv(GIOChannel *chan, gpointer user_data)
2285 struct inet_rtnl_cb_data *rtnl_data = user_data;
2286 struct __connman_inet_rtnl_handle *rth = rtnl_data->rtnl;
2287 struct nlmsghdr *h = NULL;
2288 struct sockaddr_nl nladdr;
2289 socklen_t addr_len = sizeof(nladdr);
2290 unsigned char buf[4096];
2295 memset(buf, 0, sizeof(buf));
2296 memset(&nladdr, 0, sizeof(nladdr));
2298 fd = g_io_channel_unix_get_fd(chan);
2300 status = recvfrom(fd, buf, sizeof(buf), 0,
2301 (struct sockaddr *) &nladdr, &addr_len);
2303 if (errno == EINTR || errno == EAGAIN)
2312 if (nladdr.nl_pid != 0) { /* not sent by kernel, ignore */
2313 DBG("Received msg from %u, ignoring it", nladdr.nl_pid);
2320 struct nlmsgerr *err;
2324 if (!NLMSG_OK(h, len))
2327 if (h->nlmsg_seq != rth->seq) {
2329 DBG("skip %d/%d len %d", rth->seq,
2330 h->nlmsg_seq, h->nlmsg_len);
2332 len -= h->nlmsg_len;
2333 ptr += h->nlmsg_len;
2337 switch (h->nlmsg_type) {
2343 err = (struct nlmsgerr *)NLMSG_DATA(h);
2344 connman_error("RTNETLINK answers %s (%d)",
2345 strerror(-err->error), -err->error);
2352 if (h->nlmsg_seq == rth->seq) {
2353 DBG("received %d seq %d", h->nlmsg_len, h->nlmsg_seq);
2355 rtnl_data->callback(h, rtnl_data->user_data);
2357 inet_rtnl_cleanup(rtnl_data);
2363 static gboolean inet_rtnl_event(GIOChannel *chan, GIOCondition cond,
2370 if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
2373 ret = inet_rtnl_recv(chan, user_data);
2380 int __connman_inet_rtnl_talk(struct __connman_inet_rtnl_handle *rtnl,
2381 struct nlmsghdr *n, int timeout,
2382 __connman_inet_rtnl_cb_t callback, void *user_data)
2384 struct sockaddr_nl nladdr;
2385 struct inet_rtnl_cb_data *data;
2389 memset(&nladdr, 0, sizeof(nladdr));
2390 nladdr.nl_family = AF_NETLINK;
2392 n->nlmsg_seq = seq = ++rtnl->seq;
2395 data = g_try_malloc0(sizeof(struct inet_rtnl_cb_data));
2399 data->callback = callback;
2400 data->user_data = user_data;
2402 data->rtnl_timeout = g_timeout_add_seconds(timeout,
2403 inet_rtnl_timeout_cb, data);
2405 data->channel = g_io_channel_unix_new(rtnl->fd);
2406 g_io_channel_set_close_on_unref(data->channel, TRUE);
2408 g_io_channel_set_encoding(data->channel, NULL, NULL);
2409 g_io_channel_set_buffered(data->channel, FALSE);
2411 data->watch_id = g_io_add_watch(data->channel,
2412 G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
2413 inet_rtnl_event, data);
2415 n->nlmsg_flags |= NLM_F_ACK;
2417 err = sendto(rtnl->fd, &rtnl->req.n, rtnl->req.n.nlmsg_len, 0,
2418 (struct sockaddr *) &nladdr, sizeof(nladdr));
2419 DBG("handle %p len %d", rtnl, rtnl->req.n.nlmsg_len);
2421 connman_error("Can not talk to rtnetlink err %d %s",
2422 -errno, strerror(errno));
2426 if ((unsigned int)err != rtnl->req.n.nlmsg_len) {
2427 connman_error("Sent %d bytes, msg truncated", err);
2434 void __connman_inet_rtnl_close(struct __connman_inet_rtnl_handle *rth)
2436 DBG("handle %p", rth);
2444 int __connman_inet_rtnl_addattr32(struct nlmsghdr *n, size_t maxlen, int type,
2447 int len = RTA_LENGTH(4);
2450 if (NLMSG_ALIGN(n->nlmsg_len) + len > maxlen) {
2451 DBG("Error! max allowed bound %zd exceeded", maxlen);
2454 rta = NLMSG_TAIL(n);
2455 rta->rta_type = type;
2457 memcpy(RTA_DATA(rta), &data, 4);
2458 n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + len;
2463 static int parse_rtattr(struct rtattr *tb[], int max,
2464 struct rtattr *rta, int len)
2466 memset(tb, 0, sizeof(struct rtattr *) * (max + 1));
2467 while (RTA_OK(rta, len)) {
2468 if ((rta->rta_type <= max) && (!tb[rta->rta_type]))
2469 tb[rta->rta_type] = rta;
2470 rta = RTA_NEXT(rta, len);
2473 connman_error("Deficit %d, rta_len=%d", len, rta->rta_len);
2478 struct get_route_cb_data {
2479 connman_inet_addr_cb_t callback;
2483 static void get_route_cb(struct nlmsghdr *answer, void *user_data)
2485 struct get_route_cb_data *data = user_data;
2486 struct rtattr *tb[RTA_MAX+1];
2487 struct rtmsg *r = NLMSG_DATA(answer);
2488 int len, index = -1;
2490 const char *addr = NULL;
2492 DBG("answer %p data %p", answer, user_data);
2497 len = answer->nlmsg_len;
2499 if (answer->nlmsg_type != RTM_NEWROUTE &&
2500 answer->nlmsg_type != RTM_DELROUTE) {
2501 connman_error("Not a route: %08x %08x %08x",
2502 answer->nlmsg_len, answer->nlmsg_type,
2503 answer->nlmsg_flags);
2507 len -= NLMSG_LENGTH(sizeof(*r));
2509 connman_error("BUG: wrong nlmsg len %d", len);
2513 parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len);
2516 index = *(int *)RTA_DATA(tb[RTA_OIF]);
2518 if (tb[RTA_GATEWAY])
2519 addr = inet_ntop(r->rtm_family,
2520 RTA_DATA(tb[RTA_GATEWAY]),
2521 abuf, sizeof(abuf));
2523 DBG("addr %s index %d user %p", addr, index, data->user_data);
2526 if (data && data->callback)
2527 data->callback(addr, index, data->user_data);
2535 * Return the interface index that contains route to host.
2537 int __connman_inet_get_route(const char *dest_address,
2538 connman_inet_addr_cb_t callback, void *user_data)
2540 struct get_route_cb_data *data;
2541 struct addrinfo hints, *rp;
2542 struct __connman_inet_rtnl_handle *rth;
2545 DBG("dest %s", dest_address);
2550 memset(&hints, 0, sizeof(hints));
2551 hints.ai_family = AF_UNSPEC;
2552 hints.ai_flags = AI_PASSIVE | AI_NUMERICSERV | AI_NUMERICHOST;
2554 err = getaddrinfo(dest_address, NULL, &hints, &rp);
2558 rth = g_try_malloc0(sizeof(struct __connman_inet_rtnl_handle));
2564 rth->req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
2565 rth->req.n.nlmsg_flags = NLM_F_REQUEST;
2566 rth->req.n.nlmsg_type = RTM_GETROUTE;
2567 rth->req.u.r.rt.rtm_family = rp->ai_family;
2568 rth->req.u.r.rt.rtm_table = 0;
2569 rth->req.u.r.rt.rtm_protocol = 0;
2570 rth->req.u.r.rt.rtm_scope = 0;
2571 rth->req.u.r.rt.rtm_type = 0;
2572 rth->req.u.r.rt.rtm_src_len = 0;
2573 rth->req.u.r.rt.rtm_dst_len = rp->ai_addrlen << 3;
2574 rth->req.u.r.rt.rtm_tos = 0;
2576 __connman_inet_rtnl_addattr_l(&rth->req.n, sizeof(rth->req), RTA_DST,
2577 &rp->ai_addr, rp->ai_addrlen);
2581 err = __connman_inet_rtnl_open(rth);
2585 data = g_try_malloc(sizeof(struct get_route_cb_data));
2591 data->callback = callback;
2592 data->user_data = user_data;
2594 #define GET_ROUTE_TIMEOUT 2
2595 err = __connman_inet_rtnl_talk(rth, &rth->req.n, GET_ROUTE_TIMEOUT,
2596 get_route_cb, data);
2605 __connman_inet_rtnl_close(rth);
2612 int connman_inet_check_ipaddress(const char *host)
2614 struct addrinfo hints;
2615 struct addrinfo *addr;
2618 memset(&hints, 0, sizeof(struct addrinfo));
2619 hints.ai_flags = AI_NUMERICHOST;
2622 result = getaddrinfo(host, NULL, &hints, &addr);
2624 result = addr->ai_family;
2630 /* Check routine modified from ics-dhcp 4.2.3-P2 */
2631 bool connman_inet_check_hostname(const char *ptr, size_t len)
2636 * Not empty or complete length not over 255 characters.
2638 if ((len == 0) || (len > 256))
2642 * Consists of [[:alnum:]-]+ labels separated by [.]
2643 * a [_] is against RFC but seems to be "widely used"
2645 for (p = ptr; (*p != 0) && (len-- > 0); p++) {
2647 if ((*p == '-') || (*p == '_')) {
2649 * Not allowed at begin or end of a label.
2651 if (((p - ptr) == 0) || (len == 0) || (p[1] == '.'))
2654 } else if (*p == '.') {
2656 * Each label has to be 1-63 characters;
2657 * we allow [.] at the end ('foo.bar.')
2661 if ((d <= 0) || (d >= 64))
2664 ptr = p + 1; /* Jump to the next label */
2666 } else if (isalnum((unsigned char)*p) == 0) {
2668 * Also numbers at the begin are fine
2677 char **__connman_inet_get_running_interfaces(void)
2681 struct ifreq *ifr = NULL;
2682 int sk, i, numif, count = 0;
2684 memset(&ifc, 0, sizeof(ifc));
2686 sk = socket(AF_INET, SOCK_DGRAM, 0);
2690 if (ioctl(sk, SIOCGIFCONF, &ifc) < 0)
2694 * Allocate some extra bytes just in case there will
2695 * be new interfaces added between two SIOCGIFCONF
2698 ifr = g_try_malloc0(ifc.ifc_len * 2);
2704 if (ioctl(sk, SIOCGIFCONF, &ifc) < 0)
2707 numif = ifc.ifc_len / sizeof(struct ifreq);
2709 result = g_try_malloc0((numif + 1) * sizeof(char *));
2715 for (i = 0; i < numif; i++) {
2716 struct ifreq *r = &ifr[i];
2717 struct in6_addr *addr6;
2721 * Note that we do not return loopback interfaces here as they
2722 * are not needed for our purposes.
2724 switch (r->ifr_addr.sa_family) {
2726 addr4 = ntohl(((struct sockaddr_in *)
2727 &r->ifr_addr)->sin_addr.s_addr);
2728 if (((addr4 & 0xff000000) >> 24) == 127)
2732 addr6 = &((struct sockaddr_in6 *)
2733 &r->ifr_addr)->sin6_addr;
2734 if (IN6_IS_ADDR_LINKLOCAL(addr6))
2739 result[count++] = g_strdup(r->ifr_name);
2746 char **prev_result = result;
2747 result = g_try_realloc(result, (count + 1) * sizeof(char *));
2749 g_free(prev_result);
2762 bool connman_inet_is_ipv6_supported()
2766 sk = socket(PF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, 0);
2774 int __connman_inet_get_interface_address(int index, int family, void *address)
2776 struct ifaddrs *ifaddr, *ifa;
2778 char name[IF_NAMESIZE];
2780 if (!if_indextoname(index, name))
2783 DBG("index %d interface %s", index, name);
2785 if (getifaddrs(&ifaddr) < 0) {
2787 DBG("Cannot get addresses err %d/%s", err, strerror(-err));
2791 for (ifa = ifaddr; ifa; ifa = ifa->ifa_next) {
2795 if (strncmp(ifa->ifa_name, name, IF_NAMESIZE) == 0 &&
2796 ifa->ifa_addr->sa_family == family) {
2797 if (family == AF_INET) {
2798 struct sockaddr_in *in4 = (struct sockaddr_in *)
2800 if (in4->sin_addr.s_addr == INADDR_ANY)
2802 memcpy(address, &in4->sin_addr,
2803 sizeof(struct in_addr));
2804 } else if (family == AF_INET6) {
2805 struct sockaddr_in6 *in6 =
2806 (struct sockaddr_in6 *)ifa->ifa_addr;
2807 if (memcmp(&in6->sin6_addr, &in6addr_any,
2808 sizeof(struct in6_addr)) == 0)
2810 memcpy(address, &in6->sin6_addr,
2811 sizeof(struct in6_addr));
2824 freeifaddrs(ifaddr);
2828 static int iprule_modify(int cmd, int family, uint32_t table_id,
2831 struct __connman_inet_rtnl_handle rth;
2834 memset(&rth, 0, sizeof(rth));
2836 rth.req.n.nlmsg_type = cmd;
2837 rth.req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
2838 rth.req.n.nlmsg_flags = NLM_F_REQUEST;
2839 rth.req.u.r.rt.rtm_family = family;
2840 rth.req.u.r.rt.rtm_protocol = RTPROT_BOOT;
2841 rth.req.u.r.rt.rtm_scope = RT_SCOPE_UNIVERSE;
2842 rth.req.u.r.rt.rtm_table = table_id;
2843 rth.req.u.r.rt.rtm_type = RTN_UNSPEC;
2844 rth.req.u.r.rt.rtm_flags = 0;
2846 if (cmd == RTM_NEWRULE) {
2847 rth.req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL;
2848 rth.req.u.r.rt.rtm_type = RTN_UNICAST;
2851 __connman_inet_rtnl_addattr32(&rth.req.n, sizeof(rth.req),
2852 FRA_FWMARK, fwmark);
2854 if (table_id < 256) {
2855 rth.req.u.r.rt.rtm_table = table_id;
2857 rth.req.u.r.rt.rtm_table = RT_TABLE_UNSPEC;
2858 __connman_inet_rtnl_addattr32(&rth.req.n, sizeof(rth.req),
2859 FRA_TABLE, table_id);
2862 if (rth.req.u.r.rt.rtm_family == AF_UNSPEC)
2863 rth.req.u.r.rt.rtm_family = AF_INET;
2865 ret = __connman_inet_rtnl_open(&rth);
2869 ret = __connman_inet_rtnl_send(&rth, &rth.req.n);
2872 __connman_inet_rtnl_close(&rth);
2877 int __connman_inet_add_fwmark_rule(uint32_t table_id, int family, uint32_t fwmark)
2879 /* ip rule add fwmark 9876 table 1234 */
2881 return iprule_modify(RTM_NEWRULE, family, table_id, fwmark);
2884 int __connman_inet_del_fwmark_rule(uint32_t table_id, int family, uint32_t fwmark)
2886 return iprule_modify(RTM_DELRULE, family, table_id, fwmark);
2889 static int iproute_default_modify(int cmd, uint32_t table_id, int ifindex,
2890 const char *gateway)
2892 struct __connman_inet_rtnl_handle rth;
2893 unsigned char buf[sizeof(struct in6_addr)];
2895 int family = connman_inet_check_ipaddress(gateway);
2908 ret = inet_pton(family, gateway, buf);
2912 memset(&rth, 0, sizeof(rth));
2914 rth.req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));
2915 rth.req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL;
2916 rth.req.n.nlmsg_type = cmd;
2917 rth.req.u.r.rt.rtm_family = family;
2918 rth.req.u.r.rt.rtm_table = RT_TABLE_MAIN;
2919 rth.req.u.r.rt.rtm_scope = RT_SCOPE_NOWHERE;
2920 rth.req.u.r.rt.rtm_protocol = RTPROT_BOOT;
2921 rth.req.u.r.rt.rtm_scope = RT_SCOPE_UNIVERSE;
2922 rth.req.u.r.rt.rtm_type = RTN_UNICAST;
2924 __connman_inet_rtnl_addattr_l(&rth.req.n, sizeof(rth.req), RTA_GATEWAY,
2926 if (table_id < 256) {
2927 rth.req.u.r.rt.rtm_table = table_id;
2929 rth.req.u.r.rt.rtm_table = RT_TABLE_UNSPEC;
2930 __connman_inet_rtnl_addattr32(&rth.req.n, sizeof(rth.req),
2931 RTA_TABLE, table_id);
2934 __connman_inet_rtnl_addattr32(&rth.req.n, sizeof(rth.req),
2937 ret = __connman_inet_rtnl_open(&rth);
2941 ret = __connman_inet_rtnl_send(&rth, &rth.req.n);
2944 __connman_inet_rtnl_close(&rth);
2949 int __connman_inet_add_default_to_table(uint32_t table_id, int ifindex,
2950 const char *gateway)
2952 /* ip route add default via 1.2.3.4 dev wlan0 table 1234 */
2954 return iproute_default_modify(RTM_NEWROUTE, table_id, ifindex, gateway);
2957 int __connman_inet_del_default_from_table(uint32_t table_id, int ifindex,
2958 const char *gateway)
2960 /* ip route del default via 1.2.3.4 dev wlan0 table 1234 */
2962 return iproute_default_modify(RTM_DELROUTE, table_id, ifindex, gateway);
2965 int __connman_inet_get_interface_ll_address(int index, int family,
2968 struct ifaddrs *ifaddr, *ifa;
2970 char name[IF_NAMESIZE];
2972 if (!if_indextoname(index, name))
2975 DBG("index %d interface %s", index, name);
2977 if (getifaddrs(&ifaddr) < 0) {
2979 DBG("Cannot get addresses err %d/%s", err, strerror(-err));
2983 for (ifa = ifaddr; ifa; ifa = ifa->ifa_next) {
2987 if (strncmp(ifa->ifa_name, name, IF_NAMESIZE) == 0 &&
2988 ifa->ifa_addr->sa_family == family) {
2989 if (family == AF_INET) {
2990 struct sockaddr_in *in4 = (struct sockaddr_in *)
2992 if (in4->sin_addr.s_addr == INADDR_ANY)
2994 if ((in4->sin_addr.s_addr & IN_CLASSB_NET) !=
2995 ((in_addr_t) 0xa9fe0000))
2997 memcpy(address, &in4->sin_addr,
2998 sizeof(struct in_addr));
2999 } else if (family == AF_INET6) {
3000 struct sockaddr_in6 *in6 =
3001 (struct sockaddr_in6 *)ifa->ifa_addr;
3002 if (memcmp(&in6->sin6_addr, &in6addr_any,
3003 sizeof(struct in6_addr)) == 0)
3005 if (!IN6_IS_ADDR_LINKLOCAL(&in6->sin6_addr))
3008 memcpy(address, &in6->sin6_addr,
3009 sizeof(struct in6_addr));
3021 freeifaddrs(ifaddr);
3025 int __connman_inet_get_address_netmask(int ifindex,
3026 struct sockaddr_in *address,
3027 struct sockaddr_in *netmask)
3029 int sk, ret = -EINVAL;
3032 DBG("index %d", ifindex);
3034 sk = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
3038 memset(&ifr, 0, sizeof(ifr));
3039 ifr.ifr_ifindex = ifindex;
3041 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0)
3044 if (ioctl(sk, SIOCGIFNETMASK, &ifr) < 0)
3047 memcpy(netmask, (struct sockaddr_in *)&ifr.ifr_netmask,
3048 sizeof(struct sockaddr_in));
3050 if (ioctl(sk, SIOCGIFADDR, &ifr) < 0)
3053 memcpy(address, (struct sockaddr_in *)&ifr.ifr_addr,
3054 sizeof(struct sockaddr_in));