49eda334636cfce5d381073bef88da5e6d79ec0d
[platform/upstream/connman.git] / src / ipconfig.c
1 /*
2  *
3  *  Connection Manager
4  *
5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License version 2 as
9  *  published by the Free Software Foundation.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
19  *
20  */
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include <stdio.h>
27 #include <net/if.h>
28 #include <net/if_arp.h>
29 #include <linux/if_link.h>
30 #include <string.h>
31 #include <stdlib.h>
32
33 #ifndef IFF_LOWER_UP
34 #define IFF_LOWER_UP    0x10000
35 #endif
36
37 #include <gdbus.h>
38
39 #include "connman.h"
40
41 struct connman_ipconfig {
42         gint refcount;
43         int index;
44         enum connman_ipconfig_type type;
45
46         struct connman_ipconfig *origin;
47
48         const struct connman_ipconfig_ops *ops;
49         void *ops_data;
50
51         enum connman_ipconfig_method method;
52         struct connman_ipaddress *address;
53         struct connman_ipaddress *system;
54 };
55
56 struct connman_ipdevice {
57         int index;
58         char *ifname;
59         unsigned short type;
60         unsigned int flags;
61         char *address;
62         uint16_t mtu;
63         uint32_t rx_packets;
64         uint32_t tx_packets;
65         uint32_t rx_bytes;
66         uint32_t tx_bytes;
67         uint32_t rx_errors;
68         uint32_t tx_errors;
69         uint32_t rx_dropped;
70         uint32_t tx_dropped;
71
72         GSList *address_list;
73         char *ipv4_gateway;
74         char *ipv6_gateway;
75
76         char *pac;
77
78         struct connman_ipconfig *config_ipv4;
79         struct connman_ipconfig *config_ipv6;
80
81         gboolean ipv6_enabled;
82 };
83
84 static GHashTable *ipdevice_hash = NULL;
85 static GList *ipconfig_list = NULL;
86
87 struct connman_ipaddress *connman_ipaddress_alloc(int family)
88 {
89         struct connman_ipaddress *ipaddress;
90
91         ipaddress = g_try_new0(struct connman_ipaddress, 1);
92         if (ipaddress == NULL)
93                 return NULL;
94
95         ipaddress->family = family;
96         ipaddress->prefixlen = 0;
97         ipaddress->local = NULL;
98         ipaddress->peer = NULL;
99         ipaddress->broadcast = NULL;
100         ipaddress->gateway = NULL;
101
102         return ipaddress;
103 }
104
105 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
106 {
107         if (ipaddress == NULL)
108                 return;
109
110         g_free(ipaddress->broadcast);
111         g_free(ipaddress->peer);
112         g_free(ipaddress->local);
113         g_free(ipaddress->gateway);
114         g_free(ipaddress);
115 }
116
117 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
118 {
119         unsigned char bits;
120         in_addr_t mask;
121         in_addr_t host;
122
123         if (netmask == NULL)
124                 return 32;
125
126         mask = inet_network(netmask);
127         host = ~mask;
128
129         /* a valid netmask must be 2^n - 1 */
130         if ((host & (host + 1)) != 0)
131                 return -1;
132
133         bits = 0;
134         for (; mask; mask <<= 1)
135                 ++bits;
136
137         return bits;
138 }
139
140 static gboolean check_ipv6_address(const char *address)
141 {
142         unsigned char buf[sizeof(struct in6_addr)];
143         int err;
144
145         err = inet_pton(AF_INET6, address, buf);
146         if (err > 0)
147                 return TRUE;
148
149         return FALSE;
150 }
151
152 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
153                                 const char *address, const char *gateway,
154                                                 unsigned char prefix_length)
155 {
156         if (ipaddress == NULL)
157                 return -EINVAL;
158
159         if (check_ipv6_address(address) == FALSE)
160                 return -EINVAL;
161
162         if (check_ipv6_address(gateway) == FALSE)
163                 return -EINVAL;
164
165         DBG("prefix_len %d address %s gateway %s",
166                         prefix_length, address, gateway);
167
168         ipaddress->prefixlen = prefix_length;
169
170         g_free(ipaddress->local);
171         ipaddress->local = g_strdup(address);
172
173         g_free(ipaddress->gateway);
174         ipaddress->gateway = g_strdup(gateway);
175
176         return 0;
177 }
178
179 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
180                 const char *address, const char *netmask, const char *gateway)
181 {
182         if (ipaddress == NULL)
183                 return;
184
185         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
186
187         g_free(ipaddress->local);
188         ipaddress->local = g_strdup(address);
189
190         g_free(ipaddress->gateway);
191         ipaddress->gateway = g_strdup(gateway);
192 }
193
194 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
195 {
196         if (ipaddress == NULL)
197                 return;
198
199         ipaddress->prefixlen = 0;
200
201         g_free(ipaddress->local);
202         ipaddress->local = NULL;
203
204         g_free(ipaddress->peer);
205         ipaddress->peer = NULL;
206
207         g_free(ipaddress->broadcast);
208         ipaddress->broadcast = NULL;
209
210         g_free(ipaddress->gateway);
211         ipaddress->gateway = NULL;
212 }
213
214 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
215                                         struct connman_ipaddress *source)
216 {
217         if (ipaddress == NULL || source == NULL)
218                 return;
219
220         ipaddress->family = source->family;
221         ipaddress->prefixlen = source->prefixlen;
222
223         g_free(ipaddress->local);
224         ipaddress->local = g_strdup(source->local);
225
226         g_free(ipaddress->peer);
227         ipaddress->peer = g_strdup(source->peer);
228
229         g_free(ipaddress->broadcast);
230         ipaddress->broadcast = g_strdup(source->broadcast);
231
232         g_free(ipaddress->gateway);
233         ipaddress->gateway = g_strdup(source->gateway);
234 }
235
236 static void free_address_list(struct connman_ipdevice *ipdevice)
237 {
238         GSList *list;
239
240         for (list = ipdevice->address_list; list; list = list->next) {
241                 struct connman_ipaddress *ipaddress = list->data;
242
243                 connman_ipaddress_free(ipaddress);
244                 list->data = NULL;
245         }
246
247         g_slist_free(ipdevice->address_list);
248         ipdevice->address_list = NULL;
249 }
250
251 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
252                                 unsigned char prefixlen, const char *local)
253 {
254         GSList *list;
255
256         for (list = ipdevice->address_list; list; list = list->next) {
257                 struct connman_ipaddress *ipaddress = list->data;
258
259                 if (g_strcmp0(ipaddress->local, local) == 0 &&
260                                         ipaddress->prefixlen == prefixlen)
261                         return ipaddress;
262         }
263
264         return NULL;
265 }
266
267 static const char *type2str(unsigned short type)
268 {
269         switch (type) {
270         case ARPHRD_ETHER:
271                 return "ETHER";
272         case ARPHRD_LOOPBACK:
273                 return "LOOPBACK";
274         case ARPHRD_PPP:
275                 return "PPP";
276         case ARPHRD_NONE:
277                 return "NONE";
278         case ARPHRD_VOID:
279                 return "VOID";
280         }
281
282         return "";
283 }
284
285 static const char *scope2str(unsigned char scope)
286 {
287         switch (scope) {
288         case 0:
289                 return "UNIVERSE";
290         case 253:
291                 return "LINK";
292         }
293
294         return "";
295 }
296
297 static gboolean get_ipv6_state(gchar *ifname)
298 {
299         int disabled;
300         gchar *path;
301         FILE *f;
302         gboolean enabled = FALSE;
303
304         if (ifname == NULL)
305                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
306         else
307                 path = g_strdup_printf(
308                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
309
310         if (path == NULL)
311                 return enabled;
312
313         f = fopen(path, "r");
314
315         g_free(path);
316
317         if (f != NULL) {
318                 if (fscanf(f, "%d", &disabled) > 0)
319                         enabled = !disabled;
320                 fclose(f);
321         }
322
323         return enabled;
324 }
325
326 static void set_ipv6_state(gchar *ifname, gboolean enable)
327 {
328         gchar *path;
329         FILE *f;
330
331         if (ifname == NULL)
332                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
333         else
334                 path = g_strdup_printf(
335                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
336
337         if (path == NULL)
338                 return;
339
340         f = fopen(path, "r+");
341
342         g_free(path);
343
344         if (f == NULL)
345                 return;
346
347         if (enable == FALSE)
348                 fprintf(f, "1");
349         else
350                 fprintf(f, "0");
351
352         fclose(f);
353 }
354
355 static void free_ipdevice(gpointer data)
356 {
357         struct connman_ipdevice *ipdevice = data;
358
359         connman_info("%s {remove} index %d", ipdevice->ifname,
360                                                         ipdevice->index);
361
362         if (ipdevice->config_ipv4 != NULL) {
363                 connman_ipconfig_unref(ipdevice->config_ipv4);
364                 ipdevice->config_ipv4 = NULL;
365         }
366
367         if (ipdevice->config_ipv6 != NULL) {
368                 connman_ipconfig_unref(ipdevice->config_ipv6);
369                 ipdevice->config_ipv6 = NULL;
370         }
371
372         free_address_list(ipdevice);
373         g_free(ipdevice->ipv4_gateway);
374         g_free(ipdevice->ipv6_gateway);
375         g_free(ipdevice->pac);
376
377         g_free(ipdevice->address);
378
379         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
380
381         g_free(ipdevice->ifname);
382         g_free(ipdevice);
383 }
384
385 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
386 {
387         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
388                                         ipdevice->config_ipv6);
389 }
390
391 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
392 {
393         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
394                                         ipdevice->config_ipv6);
395
396         if (ipdevice->config_ipv4)
397                 connman_inet_clear_address(ipdevice->index,
398                                         ipdevice->config_ipv4->address);
399
400         if (ipdevice->config_ipv6)
401                 connman_inet_clear_ipv6_address(ipdevice->index,
402                                 ipdevice->config_ipv6->address->local,
403                                 ipdevice->config_ipv6->address->prefixlen);
404 }
405
406 static void update_stats(struct connman_ipdevice *ipdevice,
407                                                 struct rtnl_link_stats *stats)
408 {
409         struct connman_service *service;
410
411         if (stats->rx_packets == 0 && stats->tx_packets == 0)
412                 return;
413
414         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
415                                         stats->rx_packets, stats->rx_bytes);
416         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
417                                         stats->tx_packets, stats->tx_bytes);
418
419         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
420                 return;
421
422         if (ipdevice->config_ipv4)
423                 service = connman_ipconfig_get_data(ipdevice->config_ipv4);
424         else if (ipdevice->config_ipv6)
425                 service = connman_ipconfig_get_data(ipdevice->config_ipv6);
426         else
427                 return;
428
429         if (service == NULL)
430                 return;
431
432         ipdevice->rx_packets = stats->rx_packets;
433         ipdevice->tx_packets = stats->tx_packets;
434         ipdevice->rx_bytes = stats->rx_bytes;
435         ipdevice->tx_bytes = stats->tx_bytes;
436         ipdevice->rx_errors = stats->rx_errors;
437         ipdevice->tx_errors = stats->tx_errors;
438         ipdevice->rx_dropped = stats->rx_dropped;
439         ipdevice->tx_dropped = stats->tx_dropped;
440
441         __connman_service_notify(service,
442                                 ipdevice->rx_packets, ipdevice->tx_packets,
443                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
444                                 ipdevice->rx_errors, ipdevice->tx_errors,
445                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
446 }
447
448 void __connman_ipconfig_newlink(int index, unsigned short type,
449                                 unsigned int flags, const char *address,
450                                                         unsigned short mtu,
451                                                 struct rtnl_link_stats *stats)
452 {
453         struct connman_ipdevice *ipdevice;
454         GList *list;
455         GString *str;
456         gboolean up = FALSE, down = FALSE;
457         gboolean lower_up = FALSE, lower_down = FALSE;
458
459         DBG("index %d", index);
460
461         if (type == ARPHRD_LOOPBACK)
462                 return;
463
464         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
465         if (ipdevice != NULL)
466                 goto update;
467
468         ipdevice = g_try_new0(struct connman_ipdevice, 1);
469         if (ipdevice == NULL)
470                 return;
471
472         ipdevice->index = index;
473         ipdevice->ifname = connman_inet_ifname(index);
474         ipdevice->type = type;
475
476         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
477
478         ipdevice->address = g_strdup(address);
479
480         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
481
482         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
483                                                 index, type, type2str(type));
484
485 update:
486         ipdevice->mtu = mtu;
487
488         update_stats(ipdevice, stats);
489
490         if (flags == ipdevice->flags)
491                 return;
492
493         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
494                 if (flags & IFF_UP)
495                         up = TRUE;
496                 else
497                         down = TRUE;
498         }
499
500         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
501                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
502                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
503                                         (IFF_RUNNING | IFF_LOWER_UP))
504                         lower_up = TRUE;
505                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
506                         lower_down = TRUE;
507         }
508
509         ipdevice->flags = flags;
510
511         str = g_string_new(NULL);
512         if (str == NULL)
513                 return;
514
515         if (flags & IFF_UP)
516                 g_string_append(str, "UP");
517         else
518                 g_string_append(str, "DOWN");
519
520         if (flags & IFF_RUNNING)
521                 g_string_append(str, ",RUNNING");
522
523         if (flags & IFF_LOWER_UP)
524                 g_string_append(str, ",LOWER_UP");
525
526         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
527                                                         flags, str->str);
528
529         g_string_free(str, TRUE);
530
531         for (list = g_list_first(ipconfig_list); list;
532                                                 list = g_list_next(list)) {
533                 struct connman_ipconfig *ipconfig = list->data;
534
535                 if (index != ipconfig->index)
536                         continue;
537
538                 if (ipconfig->ops == NULL)
539                         continue;
540
541                 if (up == TRUE && ipconfig->ops->up)
542                         ipconfig->ops->up(ipconfig);
543                 if (lower_up == TRUE && ipconfig->ops->lower_up)
544                         ipconfig->ops->lower_up(ipconfig);
545
546                 if (lower_down == TRUE && ipconfig->ops->lower_down)
547                         ipconfig->ops->lower_down(ipconfig);
548                 if (down == TRUE && ipconfig->ops->down)
549                         ipconfig->ops->down(ipconfig);
550         }
551
552         if (lower_up)
553                 __connman_ipconfig_lower_up(ipdevice);
554         if (lower_down)
555                 __connman_ipconfig_lower_down(ipdevice);
556 }
557
558 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
559 {
560         struct connman_ipdevice *ipdevice;
561         GList *list;
562
563         DBG("index %d", index);
564
565         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
566         if (ipdevice == NULL)
567                 return;
568
569         update_stats(ipdevice, stats);
570
571         for (list = g_list_first(ipconfig_list); list;
572                                                 list = g_list_next(list)) {
573                 struct connman_ipconfig *ipconfig = list->data;
574
575                 if (index != ipconfig->index)
576                         continue;
577
578                 ipconfig->index = -1;
579
580                 if (ipconfig->ops == NULL)
581                         continue;
582
583                 if (ipconfig->ops->lower_down)
584                         ipconfig->ops->lower_down(ipconfig);
585                 if (ipconfig->ops->down)
586                         ipconfig->ops->down(ipconfig);
587         }
588
589         __connman_ipconfig_lower_down(ipdevice);
590
591         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
592 }
593
594 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
595 {
596         const struct connman_ipaddress *addr1 = a;
597         const struct connman_ipaddress *addr2 = b;
598
599         if (addr1->prefixlen != addr2->prefixlen)
600                 return addr2->prefixlen - addr1->prefixlen;
601
602         return g_strcmp0(addr1->local, addr2->local);
603 }
604
605 void __connman_ipconfig_newaddr(int index, int family, const char *label,
606                                 unsigned char prefixlen, const char *address)
607 {
608         struct connman_ipdevice *ipdevice;
609         struct connman_ipaddress *ipaddress;
610         GList *list;
611
612         DBG("index %d", index);
613
614         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
615         if (ipdevice == NULL)
616                 return;
617
618         ipaddress = connman_ipaddress_alloc(family);
619         if (ipaddress == NULL)
620                 return;
621
622         ipaddress->prefixlen = prefixlen;
623         ipaddress->local = g_strdup(address);
624
625         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
626                                         check_duplicate_address)) {
627                 connman_ipaddress_free(ipaddress);
628                 return;
629         }
630
631         ipdevice->address_list = g_slist_append(ipdevice->address_list,
632                                                                 ipaddress);
633
634         connman_info("%s {add} address %s/%u label %s family %d",
635                 ipdevice->ifname, address, prefixlen, label, family);
636
637         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
638                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
639                                         ipaddress);
640
641         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
642                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
643                                         ipaddress);
644         else
645                 return;
646
647         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
648                 return;
649
650         for (list = g_list_first(ipconfig_list); list;
651                                                 list = g_list_next(list)) {
652                 struct connman_ipconfig *ipconfig = list->data;
653
654                 if (index != ipconfig->index)
655                         continue;
656
657                 if (ipconfig->ops == NULL)
658                         continue;
659
660                 if (ipconfig->ops->ip_bound)
661                         ipconfig->ops->ip_bound(ipconfig);
662         }
663 }
664
665 void __connman_ipconfig_deladdr(int index, int family, const char *label,
666                                 unsigned char prefixlen, const char *address)
667 {
668         struct connman_ipdevice *ipdevice;
669         struct connman_ipaddress *ipaddress;
670         GList *list;
671
672         DBG("index %d", index);
673
674         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
675         if (ipdevice == NULL)
676                 return;
677
678         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
679         if (ipaddress == NULL)
680                 return;
681
682         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
683                                                                 ipaddress);
684
685         connman_ipaddress_clear(ipaddress);
686         g_free(ipaddress);
687
688         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
689                                                 address, prefixlen, label);
690
691         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
692                 return;
693
694         if (g_slist_length(ipdevice->address_list) > 0)
695                 return;
696
697         for (list = g_list_first(ipconfig_list); list;
698                                                 list = g_list_next(list)) {
699                 struct connman_ipconfig *ipconfig = list->data;
700
701                 if (index != ipconfig->index)
702                         continue;
703
704                 if (ipconfig->ops == NULL)
705                         continue;
706
707                 if (ipconfig->ops->ip_release)
708                         ipconfig->ops->ip_release(ipconfig);
709         }
710 }
711
712 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
713                                         const char *dst, const char *gateway)
714 {
715         struct connman_ipdevice *ipdevice;
716
717         DBG("index %d", index);
718
719         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
720         if (ipdevice == NULL)
721                 return;
722
723         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
724                 GSList *list;
725                 GList *config_list;
726
727                 if (family == AF_INET6) {
728                         g_free(ipdevice->ipv6_gateway);
729                         ipdevice->ipv6_gateway = g_strdup(gateway);
730
731                         if (ipdevice->config_ipv6 != NULL &&
732                                 ipdevice->config_ipv6->system != NULL) {
733                                 g_free(ipdevice->config_ipv6->system->gateway);
734                                 ipdevice->config_ipv6->system->gateway =
735                                         g_strdup(gateway);
736                         }
737                 } else {
738                         g_free(ipdevice->ipv4_gateway);
739                         ipdevice->ipv4_gateway = g_strdup(gateway);
740
741                         if (ipdevice->config_ipv4 != NULL &&
742                                 ipdevice->config_ipv4->system != NULL) {
743                                 g_free(ipdevice->config_ipv4->system->gateway);
744                                 ipdevice->config_ipv4->system->gateway =
745                                         g_strdup(gateway);
746                         }
747                 }
748
749                 for (list = ipdevice->address_list; list; list = list->next) {
750                         struct connman_ipaddress *ipaddress = list->data;
751
752                         g_free(ipaddress->gateway);
753                         ipaddress->gateway = g_strdup(gateway);
754                 }
755
756                 for (config_list = g_list_first(ipconfig_list); config_list;
757                                         config_list = g_list_next(config_list)) {
758                         struct connman_ipconfig *ipconfig = config_list->data;
759
760                         if (index != ipconfig->index)
761                                 continue;
762
763                         if (ipconfig->ops == NULL)
764                                 continue;
765
766                         if (ipconfig->ops->ip_bound)
767                                 ipconfig->ops->ip_bound(ipconfig);
768                 }
769         }
770
771         connman_info("%s {add} route %s gw %s scope %u <%s>",
772                                         ipdevice->ifname, dst, gateway,
773                                                 scope, scope2str(scope));
774 }
775
776 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
777                                         const char *dst, const char *gateway)
778 {
779         struct connman_ipdevice *ipdevice;
780
781         DBG("index %d", index);
782
783         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
784         if (ipdevice == NULL)
785                 return;
786
787         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
788                 GSList *list;
789                 GList *config_list;
790
791                 if (family == AF_INET6) {
792                         g_free(ipdevice->ipv6_gateway);
793                         ipdevice->ipv6_gateway = NULL;
794
795                         if (ipdevice->config_ipv6 != NULL &&
796                                 ipdevice->config_ipv6->system != NULL) {
797                                 g_free(ipdevice->config_ipv6->system->gateway);
798                                 ipdevice->config_ipv6->system->gateway = NULL;
799                         }
800                 } else {
801                         g_free(ipdevice->ipv4_gateway);
802                         ipdevice->ipv4_gateway = NULL;
803
804                         if (ipdevice->config_ipv4 != NULL &&
805                                 ipdevice->config_ipv4->system != NULL) {
806                                 g_free(ipdevice->config_ipv4->system->gateway);
807                                 ipdevice->config_ipv4->system->gateway = NULL;
808                         }
809                 }
810
811                 for (list = ipdevice->address_list; list; list = list->next) {
812                         struct connman_ipaddress *ipaddress = list->data;
813
814                         g_free(ipaddress->gateway);
815                         ipaddress->gateway = NULL;
816                 }
817
818                 for (config_list = g_list_first(ipconfig_list); config_list;
819                                         config_list = g_list_next(config_list)) {
820                         struct connman_ipconfig *ipconfig = config_list->data;
821
822                         if (index != ipconfig->index)
823                                 continue;
824
825                         if (ipconfig->ops == NULL)
826                                 continue;
827
828                         if (ipconfig->ops->ip_release)
829                                 ipconfig->ops->ip_release(ipconfig);
830                 }
831         }
832
833         connman_info("%s {del} route %s gw %s scope %u <%s>",
834                                         ipdevice->ifname, dst, gateway,
835                                                 scope, scope2str(scope));
836 }
837
838 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
839                                                         void *user_data)
840 {
841         GList *list, *keys;
842
843         keys = g_hash_table_get_keys(ipdevice_hash);
844         if (keys == NULL)
845                 return;
846
847         for (list = g_list_first(keys); list; list = g_list_next(list)) {
848                 int index = GPOINTER_TO_INT(list->data);
849
850                 function(index, user_data);
851         }
852
853         g_list_free(keys);
854 }
855
856 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
857                                         struct connman_ipconfig *ipconfig)
858 {
859         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
860 }
861
862 unsigned short __connman_ipconfig_get_type_from_index(int index)
863 {
864         struct connman_ipdevice *ipdevice;
865
866         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
867         if (ipdevice == NULL)
868                 return ARPHRD_VOID;
869
870         return ipdevice->type;
871 }
872
873 unsigned int __connman_ipconfig_get_flags_from_index(int index)
874 {
875         struct connman_ipdevice *ipdevice;
876
877         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
878         if (ipdevice == NULL)
879                 return 0;
880
881         return ipdevice->flags;
882 }
883
884 const char *__connman_ipconfig_get_gateway_from_index(int index)
885 {
886         struct connman_ipdevice *ipdevice;
887
888         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
889         if (ipdevice == NULL)
890                 return NULL;
891
892         if (ipdevice->ipv4_gateway != NULL)
893                 return ipdevice->ipv4_gateway;
894
895         if (ipdevice->config_ipv4 != NULL &&
896                         ipdevice->config_ipv4->address != NULL)
897                 return ipdevice->config_ipv4->address->gateway;
898
899         if (ipdevice->ipv6_gateway != NULL)
900                 return ipdevice->ipv6_gateway;
901
902         if (ipdevice->config_ipv6 != NULL &&
903                         ipdevice->config_ipv6->address != NULL)
904                 return ipdevice->config_ipv6->address->gateway;
905
906         return NULL;
907 }
908
909 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
910 {
911         ipconfig->index = index;
912 }
913
914 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
915 {
916         if (ipconfig->address == NULL)
917                 return NULL;
918
919         return ipconfig->address->local;
920 }
921
922 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
923 {
924         if (ipconfig->address == NULL)
925                 return;
926
927         g_free(ipconfig->address->local);
928         ipconfig->address->local = g_strdup(address);
929 }
930
931 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
932 {
933         if (ipconfig->address == NULL)
934                 return NULL;
935
936         return ipconfig->address->peer;
937 }
938
939 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
940 {
941         if (ipconfig->address == NULL)
942                 return;
943
944         g_free(ipconfig->address->peer);
945         ipconfig->address->peer = g_strdup(address);
946 }
947
948 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
949 {
950         if (ipconfig->address == NULL)
951                 return NULL;
952
953         return ipconfig->address->broadcast;
954 }
955
956 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
957 {
958         if (ipconfig->address == NULL)
959                 return;
960
961         g_free(ipconfig->address->broadcast);
962         ipconfig->address->broadcast = g_strdup(broadcast);
963 }
964
965 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
966 {
967         if (ipconfig->address == NULL)
968                 return NULL;
969
970         return ipconfig->address->gateway;
971 }
972
973 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
974 {
975         if (ipconfig->address == NULL)
976                 return;
977
978         g_free(ipconfig->address->gateway);
979         ipconfig->address->gateway = g_strdup(gateway);
980 }
981
982 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
983 {
984         if (ipconfig->address == NULL)
985                 return 0;
986
987         return ipconfig->address->prefixlen;
988 }
989
990 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
991 {
992         if (ipconfig->address == NULL)
993                 return;
994
995         ipconfig->address->prefixlen = prefixlen;
996 }
997
998 static struct connman_ipconfig *create_ipv6config(int index)
999 {
1000         struct connman_ipconfig *ipv6config;
1001
1002         DBG("index %d", index);
1003
1004         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1005         if (ipv6config == NULL)
1006                 return NULL;
1007
1008         ipv6config->refcount = 1;
1009
1010         ipv6config->index = index;
1011         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1012         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1013
1014         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1015         if (ipv6config->address == NULL) {
1016                 g_free(ipv6config);
1017                 return NULL;
1018         }
1019
1020         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1021
1022         DBG("ipconfig %p", ipv6config);
1023
1024         return ipv6config;
1025 }
1026
1027 /**
1028  * connman_ipconfig_create:
1029  *
1030  * Allocate a new ipconfig structure.
1031  *
1032  * Returns: a newly-allocated #connman_ipconfig structure
1033  */
1034 struct connman_ipconfig *connman_ipconfig_create(int index,
1035                                         enum connman_ipconfig_type type)
1036 {
1037         struct connman_ipconfig *ipconfig;
1038
1039         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1040                 return create_ipv6config(index);
1041
1042         DBG("index %d", index);
1043
1044         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1045         if (ipconfig == NULL)
1046                 return NULL;
1047
1048         ipconfig->refcount = 1;
1049
1050         ipconfig->index = index;
1051         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1052
1053         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1054         if (ipconfig->address == NULL) {
1055                 g_free(ipconfig);
1056                 return NULL;
1057         }
1058
1059         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1060
1061         DBG("ipconfig %p", ipconfig);
1062
1063         return ipconfig;
1064 }
1065
1066
1067 /**
1068  * connman_ipconfig_ref:
1069  * @ipconfig: ipconfig structure
1070  *
1071  * Increase reference counter of ipconfig
1072  */
1073 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
1074 {
1075         DBG("ipconfig %p refcount %d", ipconfig,
1076                                 g_atomic_int_get(&ipconfig->refcount) + 1);
1077
1078         g_atomic_int_inc(&ipconfig->refcount);
1079
1080         return ipconfig;
1081 }
1082
1083 /**
1084  * connman_ipconfig_unref:
1085  * @ipconfig: ipconfig structure
1086  *
1087  * Decrease reference counter of ipconfig
1088  */
1089 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1090 {
1091         if (ipconfig == NULL)
1092                 return;
1093
1094         DBG("ipconfig %p refcount %d", ipconfig,
1095                         g_atomic_int_get(&ipconfig->refcount) - 1);
1096
1097         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1098                 __connman_ipconfig_disable(ipconfig);
1099
1100                 connman_ipconfig_set_ops(ipconfig, NULL);
1101
1102                 if (ipconfig->origin != NULL) {
1103                         connman_ipconfig_unref(ipconfig->origin);
1104                         ipconfig->origin = NULL;
1105                 }
1106
1107                 connman_ipaddress_free(ipconfig->system);
1108                 connman_ipaddress_free(ipconfig->address);
1109                 g_free(ipconfig);
1110         }
1111 }
1112
1113 /**
1114  * connman_ipconfig_get_data:
1115  * @ipconfig: ipconfig structure
1116  *
1117  * Get private data pointer
1118  */
1119 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1120 {
1121         if (ipconfig == NULL)
1122                 return NULL;
1123
1124         return ipconfig->ops_data;
1125 }
1126
1127 /**
1128  * connman_ipconfig_set_data:
1129  * @ipconfig: ipconfig structure
1130  * @data: data pointer
1131  *
1132  * Set private data pointer
1133  */
1134 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1135 {
1136         ipconfig->ops_data = data;
1137 }
1138
1139 /**
1140  * connman_ipconfig_get_index:
1141  * @ipconfig: ipconfig structure
1142  *
1143  * Get interface index
1144  */
1145 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1146 {
1147         if (ipconfig == NULL)
1148                 return -1;
1149
1150         if (ipconfig->origin != NULL)
1151                 return ipconfig->origin->index;
1152
1153         return ipconfig->index;
1154 }
1155
1156 /**
1157  * connman_ipconfig_get_ifname:
1158  * @ipconfig: ipconfig structure
1159  *
1160  * Get interface name
1161  */
1162 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1163 {
1164         struct connman_ipdevice *ipdevice;
1165
1166         if (ipconfig == NULL)
1167                 return NULL;
1168
1169         if (ipconfig->index < 0)
1170                 return NULL;
1171
1172         ipdevice = g_hash_table_lookup(ipdevice_hash,
1173                                         GINT_TO_POINTER(ipconfig->index));
1174         if (ipdevice == NULL)
1175                 return NULL;
1176
1177         return ipdevice->ifname;
1178 }
1179
1180 /**
1181  * connman_ipconfig_set_ops:
1182  * @ipconfig: ipconfig structure
1183  * @ops: operation callbacks
1184  *
1185  * Set the operation callbacks
1186  */
1187 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1188                                 const struct connman_ipconfig_ops *ops)
1189 {
1190         ipconfig->ops = ops;
1191 }
1192
1193 /**
1194  * connman_ipconfig_set_method:
1195  * @ipconfig: ipconfig structure
1196  * @method: configuration method
1197  *
1198  * Set the configuration method
1199  */
1200 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1201                                         enum connman_ipconfig_method method)
1202 {
1203         ipconfig->method = method;
1204
1205         return 0;
1206 }
1207
1208 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1209 {
1210         if (ipconfig == NULL)
1211                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1212
1213         return ipconfig->method;
1214 }
1215
1216 /**
1217  * connman_ipconfig_bind:
1218  * @ipconfig: ipconfig structure
1219  * @ipaddress: ipaddress structure
1220  *
1221  * Bind IP address details to configuration
1222  */
1223 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1224                                         struct connman_ipaddress *ipaddress)
1225 {
1226         struct connman_ipconfig *origin;
1227
1228         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1229
1230         connman_ipaddress_copy(origin->address, ipaddress);
1231
1232         connman_inet_set_address(origin->index, origin->address);
1233 }
1234
1235 void __connman_ipconfig_set_element_ipv6_gateway(
1236                         struct connman_ipconfig *ipconfig,
1237                                 struct connman_element *element)
1238 {
1239         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1240                 element->ipv6.gateway = ipconfig->address->gateway;
1241 }
1242
1243 /*
1244  * FIXME: The element soulution should be removed in the future
1245  * Set IPv4 and IPv6 gateway
1246  */
1247 int __connman_ipconfig_set_gateway_to_element(struct connman_ipconfig *ipconfig,
1248                                                 struct connman_element *parent)
1249 {
1250         struct connman_element *connection;
1251
1252         connection = connman_element_create(NULL);
1253
1254         DBG("ipconfig %p", ipconfig);
1255
1256         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1257         connection->index = ipconfig->index;
1258
1259         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1260                 connection->ipv4.gateway = ipconfig->address->gateway;
1261         else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1262                 connection->ipv6.gateway = ipconfig->address->gateway;
1263
1264         if (connman_element_register(connection, parent) < 0)
1265                 connman_element_unref(connection);
1266
1267         return 0;
1268 }
1269
1270 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1271 {
1272         DBG("");
1273
1274         switch (ipconfig->method) {
1275         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1276         case CONNMAN_IPCONFIG_METHOD_OFF:
1277         case CONNMAN_IPCONFIG_METHOD_FIXED:
1278         case CONNMAN_IPCONFIG_METHOD_DHCP:
1279         case CONNMAN_IPCONFIG_METHOD_AUTO:
1280                 break;
1281         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1282                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1283                         return connman_inet_set_address(ipconfig->index,
1284                                                         ipconfig->address);
1285                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1286                         return connman_inet_set_ipv6_address(
1287                                         ipconfig->index, ipconfig->address);
1288         }
1289
1290         return 0;
1291 }
1292
1293 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1294 {
1295         DBG("");
1296
1297         if (ipconfig == NULL)
1298                 return 0;
1299
1300         DBG("method %d", ipconfig->method);
1301
1302         switch (ipconfig->method) {
1303         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1304         case CONNMAN_IPCONFIG_METHOD_OFF:
1305         case CONNMAN_IPCONFIG_METHOD_FIXED:
1306         case CONNMAN_IPCONFIG_METHOD_DHCP:
1307         case CONNMAN_IPCONFIG_METHOD_AUTO:
1308                 break;
1309         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1310                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1311                         return connman_inet_clear_address(ipconfig->index,
1312                                                         ipconfig->address);
1313                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1314                         return connman_inet_clear_ipv6_address(
1315                                                 ipconfig->index,
1316                                                 ipconfig->address->local,
1317                                                 ipconfig->address->prefixlen);
1318         }
1319
1320         return 0;
1321 }
1322
1323 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1324                                                         const char *url)
1325 {
1326         struct connman_ipdevice *ipdevice;
1327
1328         DBG("ipconfig %p", ipconfig);
1329
1330         if (ipconfig == NULL || ipconfig->index < 0)
1331                 return -ENODEV;
1332
1333         ipdevice = g_hash_table_lookup(ipdevice_hash,
1334                                         GINT_TO_POINTER(ipconfig->index));
1335         if (ipdevice == NULL)
1336                 return -ENXIO;
1337
1338         g_free(ipdevice->pac);
1339         ipdevice->pac = g_strdup(url);
1340
1341         return 0;
1342 }
1343
1344 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1345 {
1346         struct connman_ipdevice *ipdevice;
1347
1348         DBG("ipconfig %p", ipconfig);
1349
1350         if (ipconfig == NULL || ipconfig->index < 0)
1351                 return NULL;
1352
1353         ipdevice = g_hash_table_lookup(ipdevice_hash,
1354                                         GINT_TO_POINTER(ipconfig->index));
1355         if (ipdevice == NULL)
1356                 return NULL;
1357
1358         return ipdevice->pac;
1359 }
1360
1361 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1362 {
1363         struct connman_ipdevice *ipdevice;
1364         gboolean up = FALSE, down = FALSE;
1365         gboolean lower_up = FALSE, lower_down = FALSE;
1366         enum connman_ipconfig_type type;
1367
1368         DBG("ipconfig %p", ipconfig);
1369
1370         if (ipconfig == NULL || ipconfig->index < 0)
1371                 return -ENODEV;
1372
1373         ipdevice = g_hash_table_lookup(ipdevice_hash,
1374                                         GINT_TO_POINTER(ipconfig->index));
1375         if (ipdevice == NULL)
1376                 return -ENXIO;
1377
1378         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1379                 if (ipdevice->config_ipv4 == ipconfig)
1380                         return -EALREADY;
1381                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1382         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1383                 if (ipdevice->config_ipv6 == ipconfig)
1384                         return -EALREADY;
1385                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1386         } else
1387                 return -EINVAL;
1388
1389         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1390                                         ipdevice->config_ipv4 != NULL) {
1391                 ipconfig_list = g_list_remove(ipconfig_list,
1392                                                         ipdevice->config_ipv4);
1393
1394                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1395
1396                 connman_ipconfig_unref(ipdevice->config_ipv4);
1397         }
1398
1399         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1400                                         ipdevice->config_ipv6 != NULL) {
1401                 ipconfig_list = g_list_remove(ipconfig_list,
1402                                                         ipdevice->config_ipv6);
1403
1404                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1405
1406                 connman_ipconfig_unref(ipdevice->config_ipv6);
1407         }
1408
1409         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1410                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1411         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1412                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1413
1414         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1415
1416         if (ipdevice->flags & IFF_UP)
1417                 up = TRUE;
1418         else
1419                 down = TRUE;
1420
1421         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1422                         (IFF_RUNNING | IFF_LOWER_UP))
1423                 lower_up = TRUE;
1424         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1425                 lower_down = TRUE;
1426
1427         if (up == TRUE && ipconfig->ops->up)
1428                 ipconfig->ops->up(ipconfig);
1429         if (lower_up == TRUE && ipconfig->ops->lower_up)
1430                 ipconfig->ops->lower_up(ipconfig);
1431
1432         if (lower_down == TRUE && ipconfig->ops->lower_down)
1433                 ipconfig->ops->lower_down(ipconfig);
1434         if (down == TRUE && ipconfig->ops->down)
1435                 ipconfig->ops->down(ipconfig);
1436
1437         return 0;
1438 }
1439
1440 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1441 {
1442         struct connman_ipdevice *ipdevice;
1443
1444         DBG("ipconfig %p", ipconfig);
1445
1446         if (ipconfig == NULL || ipconfig->index < 0)
1447                 return -ENODEV;
1448
1449         ipdevice = g_hash_table_lookup(ipdevice_hash,
1450                                         GINT_TO_POINTER(ipconfig->index));
1451         if (ipdevice == NULL)
1452                 return -ENXIO;
1453
1454         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1455                 return -EINVAL;
1456
1457         if (ipdevice->config_ipv4 == ipconfig) {
1458                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1459
1460                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1461                 connman_ipconfig_unref(ipdevice->config_ipv4);
1462                 ipdevice->config_ipv4 = NULL;
1463                 return 0;
1464         }
1465
1466         if (ipdevice->config_ipv6 == ipconfig) {
1467                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1468
1469                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1470                 connman_ipconfig_unref(ipdevice->config_ipv6);
1471                 ipdevice->config_ipv6 = NULL;
1472                 return 0;
1473         }
1474
1475         return -EINVAL;
1476 }
1477
1478 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1479 {
1480         switch (method) {
1481         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1482                 break;
1483         case CONNMAN_IPCONFIG_METHOD_OFF:
1484                 return "off";
1485         case CONNMAN_IPCONFIG_METHOD_FIXED:
1486                 return "fixed";
1487         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1488                 return "manual";
1489         case CONNMAN_IPCONFIG_METHOD_DHCP:
1490                 return "dhcp";
1491         case CONNMAN_IPCONFIG_METHOD_AUTO:
1492                 return "auto";
1493         }
1494
1495         return NULL;
1496 }
1497
1498 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1499 {
1500         if (g_strcmp0(method, "off") == 0)
1501                 return CONNMAN_IPCONFIG_METHOD_OFF;
1502         else if (g_strcmp0(method, "fixed") == 0)
1503                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1504         else if (g_strcmp0(method, "manual") == 0)
1505                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1506         else if (g_strcmp0(method, "dhcp") == 0)
1507                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1508         else if (g_strcmp0(method, "auto") == 0)
1509                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1510         else
1511                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1512 }
1513
1514 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1515                                                         DBusMessageIter *iter)
1516 {
1517         const char *str;
1518
1519         DBG("");
1520
1521         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1522                 return;
1523
1524         str = __connman_ipconfig_method2string(ipconfig->method);
1525         if (str == NULL)
1526                 return;
1527
1528         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1529
1530         if (ipconfig->system == NULL)
1531                 return;
1532
1533         if (ipconfig->system->local != NULL) {
1534                 in_addr_t addr;
1535                 struct in_addr netmask;
1536                 char *mask;
1537
1538                 connman_dbus_dict_append_basic(iter, "Address",
1539                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1540
1541                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1542                 netmask.s_addr = htonl(addr);
1543                 mask = inet_ntoa(netmask);
1544                 connman_dbus_dict_append_basic(iter, "Netmask",
1545                                                 DBUS_TYPE_STRING, &mask);
1546         }
1547
1548         if (ipconfig->system->gateway != NULL)
1549                 connman_dbus_dict_append_basic(iter, "Gateway",
1550                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1551 }
1552
1553 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1554                                                         DBusMessageIter *iter)
1555 {
1556         const char *str;
1557
1558         DBG("");
1559
1560         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1561                 return;
1562
1563         str = __connman_ipconfig_method2string(ipconfig->method);
1564         if (str == NULL)
1565                 return;
1566
1567         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1568
1569         if (ipconfig->system == NULL)
1570                 return;
1571
1572         if (ipconfig->system->local != NULL) {
1573                 connman_dbus_dict_append_basic(iter, "Address",
1574                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1575                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1576                                                 DBUS_TYPE_BYTE,
1577                                                 &ipconfig->system->prefixlen);
1578         }
1579
1580         if (ipconfig->system->gateway != NULL)
1581                 connman_dbus_dict_append_basic(iter, "Gateway",
1582                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1583 }
1584
1585 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1586                                                         DBusMessageIter *iter)
1587 {
1588         const char *str;
1589
1590         DBG("");
1591
1592         str = __connman_ipconfig_method2string(ipconfig->method);
1593         if (str == NULL)
1594                 return;
1595
1596         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1597
1598         switch (ipconfig->method) {
1599         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1600         case CONNMAN_IPCONFIG_METHOD_OFF:
1601         case CONNMAN_IPCONFIG_METHOD_DHCP:
1602                 return;
1603         case CONNMAN_IPCONFIG_METHOD_FIXED:
1604         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1605         case CONNMAN_IPCONFIG_METHOD_AUTO:
1606                 break;
1607         }
1608
1609         if (ipconfig->address == NULL)
1610                 return;
1611
1612         if (ipconfig->address->local != NULL) {
1613                 connman_dbus_dict_append_basic(iter, "Address",
1614                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1615                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1616                                                 DBUS_TYPE_BYTE,
1617                                                 &ipconfig->address->prefixlen);
1618         }
1619
1620         if (ipconfig->address->gateway != NULL)
1621                 connman_dbus_dict_append_basic(iter, "Gateway",
1622                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1623 }
1624
1625 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1626                                                         DBusMessageIter *iter)
1627 {
1628         const char *str;
1629
1630         DBG("");
1631
1632         str = __connman_ipconfig_method2string(ipconfig->method);
1633         if (str == NULL)
1634                 return;
1635
1636         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1637
1638         switch (ipconfig->method) {
1639         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1640         case CONNMAN_IPCONFIG_METHOD_OFF:
1641         case CONNMAN_IPCONFIG_METHOD_FIXED:
1642         case CONNMAN_IPCONFIG_METHOD_DHCP:
1643         case CONNMAN_IPCONFIG_METHOD_AUTO:
1644                 return;
1645         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1646                 break;
1647         }
1648
1649         if (ipconfig->address == NULL)
1650                 return;
1651
1652         if (ipconfig->address->local != NULL) {
1653                 in_addr_t addr;
1654                 struct in_addr netmask;
1655                 char *mask;
1656
1657                 connman_dbus_dict_append_basic(iter, "Address",
1658                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1659
1660                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1661                 netmask.s_addr = htonl(addr);
1662                 mask = inet_ntoa(netmask);
1663                 connman_dbus_dict_append_basic(iter, "Netmask",
1664                                                 DBUS_TYPE_STRING, &mask);
1665         }
1666
1667         if (ipconfig->address->gateway != NULL)
1668                 connman_dbus_dict_append_basic(iter, "Gateway",
1669                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1670 }
1671
1672 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1673 {
1674         struct connman_ipdevice *ipdevice;
1675
1676         DBG("");
1677
1678         ipdevice = g_hash_table_lookup(ipdevice_hash,
1679                                         GINT_TO_POINTER(ipconfig->index));
1680         if (ipdevice == NULL)
1681                 return;
1682
1683         set_ipv6_state(ipdevice->ifname, FALSE);
1684 }
1685
1686 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1687 {
1688         struct connman_ipdevice *ipdevice;
1689
1690         DBG("");
1691
1692         ipdevice = g_hash_table_lookup(ipdevice_hash,
1693                                         GINT_TO_POINTER(ipconfig->index));
1694         if (ipdevice == NULL)
1695                 return;
1696
1697         set_ipv6_state(ipdevice->ifname, TRUE);
1698 }
1699
1700 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1701                                                         DBusMessageIter *array)
1702 {
1703         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1704         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1705                         *prefix_length_string = NULL;
1706         int prefix_length = 0;
1707         DBusMessageIter dict;
1708
1709         DBG("ipconfig %p", ipconfig);
1710
1711         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1712                 return -EINVAL;
1713
1714         dbus_message_iter_recurse(array, &dict);
1715
1716         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1717                 DBusMessageIter entry;
1718                 const char *key;
1719                 int type;
1720
1721                 dbus_message_iter_recurse(&dict, &entry);
1722
1723                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1724                         return -EINVAL;
1725
1726                 dbus_message_iter_get_basic(&entry, &key);
1727                 dbus_message_iter_next(&entry);
1728
1729                 type = dbus_message_iter_get_arg_type(&entry);
1730
1731                 if (g_str_equal(key, "Method") == TRUE) {
1732                         const char *str;
1733
1734                         if (type != DBUS_TYPE_STRING)
1735                                 return -EINVAL;
1736
1737                         dbus_message_iter_get_basic(&entry, &str);
1738                         method = __connman_ipconfig_string2method(str);
1739                 } else if (g_str_equal(key, "Address") == TRUE) {
1740                         if (type != DBUS_TYPE_STRING)
1741                                 return -EINVAL;
1742
1743                         dbus_message_iter_get_basic(&entry, &address);
1744                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1745                         if (type != DBUS_TYPE_STRING)
1746                                 return -EINVAL;
1747
1748                         dbus_message_iter_get_basic(&entry,
1749                                                         &prefix_length_string);
1750
1751                         prefix_length = atoi(prefix_length_string);
1752                         if (prefix_length < 0 || prefix_length > 128)
1753                                 return -EINVAL;
1754
1755                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1756                         if (type != DBUS_TYPE_STRING)
1757                                 return -EINVAL;
1758
1759                         dbus_message_iter_get_basic(&entry, &netmask);
1760                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1761                         if (type != DBUS_TYPE_STRING)
1762                                 return -EINVAL;
1763
1764                         dbus_message_iter_get_basic(&entry, &gateway);
1765                 }
1766                 dbus_message_iter_next(&dict);
1767         }
1768
1769         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1770                         method, address, netmask, gateway, prefix_length);
1771
1772         switch (method) {
1773         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1774         case CONNMAN_IPCONFIG_METHOD_FIXED:
1775                 return -EINVAL;
1776
1777         case CONNMAN_IPCONFIG_METHOD_OFF:
1778                 ipconfig->method = method;
1779                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1780                         disable_ipv6(ipconfig);
1781                 break;
1782
1783         case CONNMAN_IPCONFIG_METHOD_AUTO:
1784                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1785                         return -EINVAL;
1786
1787                 ipconfig->method = method;
1788                 enable_ipv6(ipconfig);
1789                 break;
1790
1791         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1792                 if (address == NULL)
1793                         return -EINVAL;
1794
1795                 ipconfig->method = method;
1796
1797                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1798                         connman_ipaddress_set_ipv4(ipconfig->address,
1799                                                 address, netmask, gateway);
1800                 else
1801                         return connman_ipaddress_set_ipv6(
1802                                         ipconfig->address, address,
1803                                                 gateway, prefix_length);
1804                 break;
1805
1806         case CONNMAN_IPCONFIG_METHOD_DHCP:
1807                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1808                         return -EOPNOTSUPP;
1809
1810                 ipconfig->method = method;
1811                 break;
1812         }
1813
1814         return 0;
1815 }
1816
1817 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1818                                                         DBusMessageIter *iter)
1819 {
1820         struct connman_ipdevice *ipdevice;
1821         const char *method = "auto";
1822
1823         connman_dbus_dict_append_basic(iter, "Method",
1824                                                 DBUS_TYPE_STRING, &method);
1825
1826         ipdevice = g_hash_table_lookup(ipdevice_hash,
1827                                         GINT_TO_POINTER(ipconfig->index));
1828         if (ipdevice == NULL)
1829                 return;
1830
1831         if (ipdevice->ifname != NULL)
1832                 connman_dbus_dict_append_basic(iter, "Interface",
1833                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1834
1835         if (ipdevice->address != NULL)
1836                 connman_dbus_dict_append_basic(iter, "Address",
1837                                         DBUS_TYPE_STRING, &ipdevice->address);
1838
1839         if (ipdevice->mtu > 0)
1840                 connman_dbus_dict_append_basic(iter, "MTU",
1841                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1842 }
1843
1844 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1845                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1846 {
1847         char *method;
1848         char *key;
1849
1850         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1851
1852         key = g_strdup_printf("%smethod", prefix);
1853         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1854         if (method == NULL) {
1855                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1856                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1857                 else
1858                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1859         } else
1860                 ipconfig->method = __connman_ipconfig_string2method(method);
1861
1862         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
1863                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1864
1865         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1866                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_OFF)
1867                         disable_ipv6(ipconfig);
1868                 else if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
1869                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
1870                         enable_ipv6(ipconfig);
1871                         __connman_ipconfig_enable(ipconfig);
1872
1873                         if (ipconfig->ops_data) {
1874                                 struct connman_service *service =
1875                                                         ipconfig->ops_data;
1876                                 struct connman_network *network;
1877                                 network = __connman_service_get_network(
1878                                                                 service);
1879                                 if (network)
1880                                         __connman_network_set_ipconfig(network,
1881                                                         NULL, ipconfig);
1882                         }
1883                 }
1884         }
1885
1886         g_free(method);
1887         g_free(key);
1888
1889         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1890         ipconfig->address->prefixlen = g_key_file_get_integer(
1891                                 keyfile, identifier, key, NULL);
1892         g_free(key);
1893
1894         key = g_strdup_printf("%slocal_address", prefix);
1895         ipconfig->address->local = g_key_file_get_string(
1896                         keyfile, identifier, key, NULL);
1897         g_free(key);
1898
1899         key = g_strdup_printf("%speer_address", prefix);
1900         ipconfig->address->peer = g_key_file_get_string(
1901                                 keyfile, identifier, key, NULL);
1902         g_free(key);
1903
1904         key = g_strdup_printf("%sbroadcast_address", prefix);
1905         ipconfig->address->broadcast = g_key_file_get_string(
1906                                 keyfile, identifier, key, NULL);
1907         g_free(key);
1908
1909         key = g_strdup_printf("%sgateway", prefix);
1910         ipconfig->address->gateway = g_key_file_get_string(
1911                                 keyfile, identifier, key, NULL);
1912         g_free(key);
1913
1914         return 0;
1915 }
1916
1917 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1918                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1919 {
1920         const char *method;
1921         char *key;
1922
1923         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1924
1925         method = __connman_ipconfig_method2string(ipconfig->method);
1926
1927         key = g_strdup_printf("%smethod", prefix);
1928         g_key_file_set_string(keyfile, identifier, key, method);
1929         g_free(key);
1930
1931         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1932         g_key_file_set_integer(keyfile, identifier,
1933                         key, ipconfig->address->prefixlen);
1934         g_free(key);
1935
1936         key = g_strdup_printf("%slocal_address", prefix);
1937         if (ipconfig->address->local != NULL)
1938                 g_key_file_set_string(keyfile, identifier,
1939                                 key, ipconfig->address->local);
1940         g_free(key);
1941
1942         key = g_strdup_printf("%speer_address", prefix);
1943         if (ipconfig->address->peer != NULL)
1944                 g_key_file_set_string(keyfile, identifier,
1945                                 key, ipconfig->address->peer);
1946         g_free(key);
1947
1948         key = g_strdup_printf("%sbroadcast_address", prefix);
1949         if (ipconfig->address->broadcast != NULL)
1950                 g_key_file_set_string(keyfile, identifier,
1951                         key, ipconfig->address->broadcast);
1952         g_free(key);
1953
1954         key = g_strdup_printf("%sgateway", prefix);
1955         if (ipconfig->address->gateway != NULL)
1956                 g_key_file_set_string(keyfile, identifier,
1957                         key, ipconfig->address->gateway);
1958         g_free(key);
1959
1960         return 0;
1961 }
1962
1963 int __connman_ipconfig_init(void)
1964 {
1965         DBG("");
1966
1967         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1968                                                         NULL, free_ipdevice);
1969
1970         return 0;
1971 }
1972
1973 void __connman_ipconfig_cleanup(void)
1974 {
1975         DBG("");
1976
1977         g_hash_table_destroy(ipdevice_hash);
1978         ipdevice_hash = NULL;
1979 }