bt-ipsp/bt-ipsp.c

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 #include <dlog.h>
  19 #include <gio/gio.h>
  20
  21 #include <stdio.h>
  22 #include <unistd.h>
  23 #include <string.h>
  24 #include <fcntl.h>
  25
  26 #include "bt-ipsp.h"
  27 #include "bluetooth-api.h"
  28 #include <net_connection.h>
  29 #include <sys/socket.h>
  30 #include <net/if.h>
  31 #include <netinet/in.h>
  32 #include <arpa/inet.h>
  33 #include <sys/ioctl.h>
  34 #include <bluetooth_type.h>
  35
  36 #undef LOG_TAG
  37 #define LOG_TAG "BLUETOOTH_IPSP"
  38
  39 #define BT_INFO(fmt, arg...) SLOGI(fmt, ##arg)
  40 #define BT_ERR(fmt, arg...) SLOGE(fmt, ##arg)
  41 #define BT_DBG(fmt, arg...) SLOGD(fmt, ##arg)
  42
  43 static GDBusConnection *service_gconn;
  44 static connection_h net_connection = NULL;
  45 static connection_profile_h tethered_prof = NULL;
  46 static pid_t dnsmasq_pid = 0;
  47 static char dns_addr[INET_ADDRSTRLEN] = "0.0.0.0";
  48
  49 struct in6_ifreq {
  50         struct in6_addr ifr6_addr;
  51         __u32 ifr6_prefixlen;
  52         unsigned int ifr6_ifindex;
  53 };
  54
  55 static const gchar bt_ipsp_introspection_xml[] =
  56 "<node name='/'>"
  57 "  <interface name='org.projectx.bt_ipsp'>"
  58 "     <method name='EnableIpsp'>"
  59 "     </method>"
  60 "     <method name='SetIpv6Addr'>"
  61 "          <arg type='s' name='ifname' direction='in'/>"
  62 "          <arg type='s' name='address' direction='in'/>"
  63 "     </method>"
  64 "     <method name='RecoverAdapter'>"
  65 "     </method>"
  66 "     <method name='ResetAdapter'>"
  67 "     </method>"
  68 "     <method name='EnableAdapterLe'>"
  69 "     </method>"
  70 "     <method name='DisableAdapterLe'>"
  71 "     </method>"
  72 "     <method name='EnableCore'>"
  73 "     </method>"
  74 "         <method name='SetTransferValue'>"
  75 "          <arg type='b' name='value' direction='in'/>"
  76 "         </method>"
  77 "     <method name='FactoryTestMode'>"
  78 "          <arg type='s' name='type' direction='in'/>"
  79 "          <arg type='s' name='arg' direction='in'/>"
  80 "          <arg type='i' name='ret' direction='out'/>"
  81 "     </method>"
  82 " </interface>"
  83 "</node>";
  84
  85 static guint obj_id, sig_id1, sig_id2, sig_id3;
  86
  87
  88 static GMainLoop *main_loop;
  89
  90 void _bt_ipsp_gdbus_deinit_proxys(void)
  91 {
  92         BT_DBG("+");
  93
  94         if (service_gconn) {
  95                 g_object_unref(service_gconn);
  96                 service_gconn = NULL;
  97         }
  98
  99         BT_DBG("-");
 100 }
 101
 102 void _bt_ipsp_terminate(void)
 103 {
 104         _bt_ipsp_gdbus_deinit_proxys();
 105         if (main_loop) {
 106                 g_main_loop_quit(main_loop);
 107         } else {
 108                 BT_DBG("Terminating bt-core daemon");
 109                 exit(0);
 110         }
 111 }
 112
 113 GDBusConnection * _bt_ipsp_get_gdbus_connection(void)
 114 {
 115         GError *err = NULL;
 116
 117         if (service_gconn == NULL)
 118                 service_gconn = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
 119
 120         if (!service_gconn) {
 121                 if (err) {
 122                         BT_ERR("Unable to connect to dbus: %s", err->message);
 123                         g_clear_error(&err);
 124                 }
 125                 return NULL;
 126         }
 127
 128         return service_gconn;
 129 }
 130
 131
 132 void  _bt_ipsp_unregister_dbus(void)
 133 {
 134         GDBusConnection *conn;
 135
 136         BT_DBG("");
 137
 138         conn = _bt_ipsp_get_gdbus_connection();
 139         if (!conn)
 140                 return;
 141
 142         if (obj_id > 0) {
 143                 g_dbus_connection_unregister_object(conn, obj_id);
 144                 obj_id = 0;
 145         }
 146
 147         if (sig_id1 > 0) {
 148                 g_dbus_connection_signal_unsubscribe(conn, sig_id1);
 149                 sig_id1 = 0;
 150         }
 151         if (sig_id2 > 0) {
 152                 g_dbus_connection_signal_unsubscribe(conn, sig_id2);
 153                 sig_id2 = 0;
 154         }
 155         if (sig_id3 > 0) {
 156                 g_dbus_connection_signal_unsubscribe(conn, sig_id3);
 157                 sig_id3 = 0;
 158         }
 159 }
 160
 161 static void __bt_ipsp_sigterm_handler(int signo)
 162 {
 163         BT_DBG("Got the signal: %d", signo);
 164
 165         _bt_ipsp_terminate();
 166 }
 167
 168 static void __bt_ipsp_get_network_interface_name(char **if_name)
 169 {
 170         if (if_name == NULL) {
 171                 BT_ERR("if_name is NULL\n");
 172                 return;
 173         }
 174
 175         if (tethered_prof == NULL) {
 176                 BT_ERR("tethered prof is NULL");
 177                 return;
 178         }
 179
 180         int ret = 0;
 181
 182         connection_profile_refresh(tethered_prof);
 183
 184         ret = connection_profile_get_network_interface_name(tethered_prof, if_name);
 185         if (ret != CONNECTION_ERROR_NONE) {
 186                 BT_ERR("connection_profile_get_network_interface_name is failed : 0x%X\n", ret);
 187                 return;
 188         }
 189
 190         BT_DBG("network if name : %s", *if_name);
 191
 192         if (strlen(*if_name) == 0) {
 193                 BT_ERR("if_name is zero length\n");
 194                 free(*if_name);
 195                 return;
 196         }
 197
 198         return;
 199 }
 200
 201 gboolean __bt_ipsp_get_network_ipv6_address(const char *if_name, mobile_ap_ipv6_scope_e ip_scope, gchar **ip)
 202 {
 203         FILE *fd;
 204         char addr[8][5];
 205         char name[MH_MAX_INTERFACE_NAME_LEN] = {0,};
 206         char copied[MH_MAX_IPV6_ADDRESS_STR_LEN] = {0,};
 207         int if_idx, prefix_len, scope, if_flag;
 208
 209         fd = fopen(MH_IF_INET6_PATH, "r");
 210         if (fd == NULL) {
 211                 BT_ERR("Failed to open file!!");
 212                 return FALSE;
 213         }
 214
 215         while (fscanf(fd, "%4s%4s%4s%4s%4s%4s%4s%4s %2x %d %d %2x %19s",
 216                                 addr[0], addr[1], addr[2], addr[3],
 217                                 addr[4], addr[5], addr[6], addr[7],
 218                                 &if_idx, &prefix_len, &scope, &if_flag, name) != EOF) {
 219
 220                 if (strncmp(name, if_name, strlen(if_name)) != 0)
 221                         continue;
 222
 223                 if (scope != ip_scope)
 224                         continue;
 225
 226                 snprintf(copied, sizeof(copied), "%s:%s:%s:%s:%s:%s:%s:%s",
 227                                 addr[0], addr[1], addr[2], addr[3],
 228                                 addr[4], addr[5], addr[6], addr[7]);
 229
 230                 *ip = g_strdup(copied);
 231
 232                 BT_DBG("IP (%s)", *ip);
 233                 break;
 234         }
 235
 236         if (fd)
 237                 fclose(fd);
 238
 239         return TRUE;
 240 }
 241
 242 int __bt_ipsp_create_ipv6_address(char *ifname, char **ipv6_address)
 243 {
 244         BT_DBG("++");
 245         gchar *network_if_name = NULL;
 246         gchar *link_addr = NULL;
 247         gchar *network_addr = NULL;
 248         gchar *prefix = NULL;
 249         gchar *if_id = NULL;
 250         char copied[MH_MAX_IPV6_ADDRESS_STR_LEN] = {0, };
 251         gchar *link_addr_cpy = NULL;
 252         int i = 0;
 253
 254         __bt_ipsp_get_network_interface_name(&network_if_name);
 255         __bt_ipsp_get_network_ipv6_address(ifname, MOBILE_AP_IPV6_SCOPE_LINK, &link_addr);
 256         __bt_ipsp_get_network_ipv6_address(network_if_name, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_addr);
 257         g_free(network_if_name);
 258         if (link_addr == NULL || network_addr == NULL) {
 259                 BT_DBG("address is NULL");
 260                 g_free(link_addr);
 261                 g_free(network_addr);
 262                 return BT_ERROR_OPERATION_FAILED;
 263         }
 264
 265         prefix = g_strndup(network_addr, 19);
 266         g_free(network_addr);
 267
 268         link_addr_cpy = link_addr;
 269
 270         for (i = 0; i < 4; i++) {
 271                 strtok_r(link_addr_cpy, ":", &if_id);
 272                 link_addr_cpy = if_id;
 273         }
 274         snprintf(copied, sizeof(copied), "%s:%s", prefix, if_id);
 275
 276         *ipv6_address = g_strdup(copied);
 277
 278         BT_DBG("Created IPv6 address [%s]", *ipv6_address);
 279         g_free(link_addr);
 280         g_free(prefix);
 281         BT_DBG("--");
 282         return BT_ERROR_NONE;
 283 }
 284
 285 int __bt_ipsp_set_ipv6_address(const char *if_name, char *ipv6_addr)
 286 {
 287         BT_DBG("++");
 288         struct ifreq ifr;
 289         struct sockaddr_in6 addr;
 290         int sock_fd;
 291         struct in6_ifreq ifr6;
 292
 293         sock_fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP);
 294         if (sock_fd == -1) {
 295                 BT_ERR("failed to open socket for ipv6");
 296                 return BT_ERROR_OPERATION_FAILED;
 297         }
 298
 299         g_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
 300
 301         memset(&addr, 0, sizeof(struct sockaddr_in6));
 302         addr.sin6_family = AF_INET6;
 303         addr.sin6_port = 0;
 304
 305         if (inet_pton(AF_INET6, ipv6_addr, (void *)&addr.sin6_addr) <= 0) {
 306                 BT_ERR("Bad address!!");
 307                 close(sock_fd);
 308                 return BT_ERROR_OPERATION_FAILED;
 309         }
 310
 311         memcpy((char *)&ifr6.ifr6_addr, (char *)&addr.sin6_addr, sizeof(struct in6_addr));
 312
 313         if (ioctl(sock_fd, SIOGIFINDEX, &ifr) < 0) {
 314                 BT_ERR("ioctl failed...!!!\n");
 315                 close(sock_fd);
 316                 return BT_ERROR_OPERATION_FAILED;
 317         }
 318
 319         ifr6.ifr6_ifindex = ifr.ifr_ifindex;
 320         ifr6.ifr6_prefixlen = 64;
 321
 322         if (ioctl(sock_fd, SIOCSIFADDR, &ifr6) < 0) {
 323                 BT_ERR("ioctl failed...!!!\n");
 324                 close(sock_fd);
 325                 return BT_ERROR_OPERATION_FAILED;
 326         }
 327
 328         ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
 329
 330         if (ioctl(sock_fd, SIOCSIFFLAGS, &ifr) < 0) {
 331                 BT_ERR("ioctl failed...!!!\n");
 332                 close(sock_fd);
 333                 return BT_ERROR_OPERATION_FAILED;
 334         }
 335
 336         close(sock_fd);
 337         BT_DBG("--");
 338
 339         return BT_ERROR_NONE;
 340
 341 }
 342
 343
 344
 345 void __bt_ipsp_connection_state_changed_cb(int result, bool connected, const char *remote_address,
 346                 const char *iface_name, void *user_data)
 347 {
 348         BT_DBG("result: %d", result);
 349         BT_DBG("Connected : %d", connected);
 350         BT_DBG("Remote BT address : %s", remote_address);
 351         BT_DBG("Interface name : %s", remote_address);
 352 }
 353
 354 static int __enable_ipv6_forwarding(void)
 355 {
 356         BT_DBG("++");
 357         int fd = -1;
 358
 359         fd = open(IPV6_FORWARDING, O_WRONLY);
 360         if (fd < 0) {
 361                 BT_ERR("open failed\n");
 362                 return BT_ERROR_OPERATION_FAILED;
 363         }
 364
 365         if (write(fd, "1", 1) != 1) {
 366                 BT_ERR("write failed\n");
 367                 close(fd);
 368                 return BT_ERROR_OPERATION_FAILED;
 369         }
 370         close(fd);
 371
 372         BT_DBG("--");
 373         return BT_ERROR_NONE;
 374 }
 375
 376 static int __enable_ipv6_proxy_ndp(void)
 377 {
 378         BT_DBG("++");
 379         int fd = -1;
 380
 381         fd = open(IPV6_PROXY_NDP, O_WRONLY);
 382         if (fd < 0) {
 383                 BT_ERR("open failed\n");
 384                 return BT_ERROR_OPERATION_FAILED;
 385         }
 386
 387         if (write(fd, "1", 1) != 1) {
 388                 BT_ERR("write failed\n");
 389                 close(fd);
 390                 return BT_ERROR_OPERATION_FAILED;
 391         }
 392         close(fd);
 393
 394         BT_DBG("--");
 395         return BT_ERROR_NONE;
 396 }
 397
 398 int __bt_ipsp_execute_dhcp6_server(void)
 399 {
 400         BT_DBG("++");
 401         char buf[DNSMASQ_CONF_LEN] = "";
 402         FILE *fp = NULL;
 403         pid_t pid;
 404         gchar *network_if_name = NULL;
 405         gchar *network_addr = NULL;
 406         gchar *address = NULL;
 407
 408         if (remove(DNSMASQ_LEASES_FILE) < 0)
 409                 BT_ERR("Failed to remove %s", DNSMASQ_LEASES_FILE);
 410
 411         if (dnsmasq_pid == 0) {
 412                 fp = fopen(DNSMASQ_CONF_FILE, "w");
 413                 if (NULL == fp) {
 414                         BT_ERR("Could not create the file.\n");
 415                         return BT_ERROR_OPERATION_FAILED;
 416                 }
 417
 418                 __bt_ipsp_get_network_interface_name(&network_if_name);
 419                 if (network_if_name == NULL) {
 420                         BT_ERR("Failed to get network interface");
 421                         fclose(fp);
 422                         return BT_ERROR_OPERATION_FAILED;
 423                 }
 424
 425                 __bt_ipsp_get_network_ipv6_address(network_if_name, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_addr);
 426
 427                 address = g_strndup(network_addr, 19);
 428                 snprintf(buf, DNSMASQ_CONF_LEN, DNSMASQ_CONF6, dns_addr, address);
 429                 fputs(buf, fp);
 430                 g_free(network_if_name);
 431                 g_free(network_addr);
 432                 g_free(address);
 433                 fclose(fp);
 434
 435                 pid = fork();
 436                 if (pid < 0) {
 437                         BT_ERR("fork failed\n");
 438                         return BT_ERROR_OPERATION_FAILED;
 439                 }
 440
 441                 if (pid == 0) {
 442                         /* -d : Debug mode
 443                          * -p : DNS port
 444                          * -C file : Configuration file path
 445                          */
 446                         if (execl("/usr/bin/dnsmasq", "/usr/bin/dnsmasq", "-d",
 447                                                 "-p", "0", "-C", DNSMASQ_CONF_FILE,
 448                                                 (char *)NULL)) {
 449                                 BT_ERR("execl failed\n");
 450                         }
 451
 452                         BT_ERR("Should not get here!");
 453                         return BT_ERROR_OPERATION_FAILED;
 454                 }
 455
 456                 dnsmasq_pid = pid;
 457         } else {
 458                 BT_DBG("DNS-SERVER is already running.\n");
 459         }
 460
 461         BT_DBG("--");
 462         return BT_ERROR_NONE;
 463
 464 }
 465
 466 static void __generate_eui64_address(char *hw_addr, char **eui64_addr)
 467 {
 468         char addr[6][3];
 469         char addr64[20] = {0,};
 470         char *copied = g_strdup(hw_addr);
 471         char *copied_origin = NULL;
 472         char *ptr = NULL;
 473         unsigned int hex = 0;
 474         int i;
 475
 476         BT_DBG("+");
 477         copied_origin = copied;
 478
 479         for (i = 0; i < 6; i++) {
 480                 strtok_r(copied, ":", &ptr);
 481                 if (sizeof(addr[i]) <= strlen(copied)) {
 482                         strncpy(addr[i], copied, sizeof(addr[i]) - 1);
 483                         addr[i][(int)(sizeof(addr[i]) - 1)] = '\0';
 484                 } else {
 485                         strncpy(addr[i], copied, strlen(copied));
 486                         addr[i][(int)strlen(copied)] = '\0';
 487                 }
 488
 489                 BT_DBG("copied/ptr (%s/%s)", copied, ptr);
 490                 BT_DBG("addr(%s)", addr[i]);
 491                 copied = ptr;
 492         }
 493
 494         BT_DBG("----------");
 495         sscanf(addr[0], "%x", &hex);
 496         BT_DBG("+++");
 497         /* Invert 7th bit */
 498         hex ^= 2;
 499         BT_DBG("Inverted bit(%x)", hex);
 500         snprintf(addr64, sizeof(addr64), "%x%s:%sff:fe%s:%s%s",
 501                         hex, addr[1], addr[2], addr[3], addr[4], addr[5]);
 502
 503         BT_DBG("addr64(%s)", addr64);
 504         *eui64_addr = g_strdup(addr64);
 505
 506         BT_DBG("Generated EUI-64 address (%s)", *eui64_addr);
 507         g_free(copied_origin);
 508
 509         BT_DBG("-");
 510 }
 511
 512 int __bt_ipsp_create_ipv6_remote_address(char *remote_address, char **ipv6_address)
 513 {
 514         BT_DBG("++");
 515         gchar *eui64_addr = NULL;
 516         gchar *network_addr = NULL;
 517         gchar *network_if_name = NULL;
 518         gchar *prefix = NULL;
 519         char copied[MH_MAX_IPV6_ADDRESS_STR_LEN] = {0, };
 520
 521         __generate_eui64_address(remote_address, &eui64_addr);
 522         if (eui64_addr == NULL) {
 523                 BT_ERR("Failed to generate EUI-64 ID!!");
 524                 return BT_ERROR_OPERATION_FAILED;
 525         }
 526
 527         __bt_ipsp_get_network_interface_name(&network_if_name);
 528         if (network_if_name == NULL) {
 529                 BT_ERR("Failed to get network interface");
 530                 g_free(eui64_addr);
 531                 return BT_ERROR_OPERATION_FAILED;
 532         }
 533
 534         __bt_ipsp_get_network_ipv6_address(network_if_name, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_addr);
 535         g_free(network_if_name);
 536         if (network_addr == NULL) {
 537                 BT_ERR("Failed to get network address!!");
 538                 g_free(eui64_addr);
 539                 return BT_ERROR_OPERATION_FAILED;
 540         }
 541
 542         prefix = g_strndup(network_addr, 19);
 543         snprintf(copied, sizeof(copied), "%s:%s", prefix, eui64_addr);
 544         *ipv6_address = g_strdup(copied);
 545         BT_DBG("remote device ipv6 addr : %s", *ipv6_address);
 546
 547         g_free(prefix);
 548         g_free(eui64_addr);
 549         g_free(network_addr);
 550         BT_DBG("--");
 551         return BT_ERROR_NONE;
 552 }
 553
 554 static int _execute_ip_command(const char *ip_args)
 555 {
 556         if (ip_args == NULL) {
 557                 BT_ERR("Invalid param\n");
 558                 return -1;
 559         }
 560
 561         int status = 0;
 562         int exit_status = 0;
 563         pid_t pid = 0;
 564         gchar **args = NULL;
 565         char ip_cmd[MAX_BUF_SIZE] = {0, };
 566
 567         BT_DBG("Args : %s\n", ip_args);
 568
 569         snprintf(ip_cmd, sizeof(ip_cmd), "%s -6 neigh add %s",
 570                         IP_CMD, ip_args);
 571
 572         BT_DBG("IP_CMD : %s\n", ip_cmd);
 573
 574         args = g_strsplit_set(ip_cmd, " ", -1);
 575         if (!args) {
 576                 BT_ERR("g_strsplit_set failed\n");
 577                 return -1;
 578         }
 579
 580         if ((pid = fork()) < 0) {
 581                 BT_ERR("fork failed\n");
 582                 g_strfreev(args);
 583                 return -1;
 584         }
 585
 586         if (!pid) {
 587                 if (execv(args[0], args))
 588                         BT_ERR("execl failed\n");
 589
 590                 BT_ERR("Should never get here!\n");
 591                 g_strfreev(args);
 592                 return -1;
 593         } else {
 594                 /* Need to add timeout */
 595                 waitpid(pid, &status, 0);
 596                 g_strfreev(args);
 597
 598                 if (WIFEXITED(status)) {
 599                         exit_status = WEXITSTATUS(status);
 600                         if (exit_status) {
 601                                 BT_ERR("child return : %d\n", exit_status);
 602                                 return -1;
 603                         }
 604                         return 0;
 605                 } else {
 606                         BT_ERR("child is terminated without exit\n");
 607                         return -1;
 608                 }
 609         }
 610 }
 611
 612 gboolean __bt_ipsp_add_ipv6_neigh_proxy(char *if_name, char *ip)
 613 {
 614         BT_DBG("++");
 615         if (tethered_prof == NULL) {
 616                 BT_DBG("There is no network\n");
 617                 return TRUE;
 618         }
 619
 620         char args[MAX_BUF_SIZE] = {0, };
 621
 622         snprintf(args, sizeof(args), IPV6_NEIGH_PROXY,
 623                         ip, if_name);
 624
 625         if (_execute_ip_command(args)) {
 626                 BT_ERR("%s is failed\n", args);
 627                 return FALSE;
 628         }
 629
 630         BT_DBG("--");
 631         return TRUE;
 632 }
 633
 634 gboolean __bt_ipsp_add_ipv6_route(char *if_name, char *ip, int prefix)
 635 {
 636         BT_DBG("++");
 637         if (tethered_prof == NULL) {
 638                 BT_DBG("There is no network\n");
 639                 return TRUE;
 640         }
 641
 642         char args[MAX_BUF_SIZE] = {0, };
 643         char routing_ip[MH_MAX_IPV6_ADDRESS_STR_LEN] = {0, };
 644         char *copied_ip = NULL;
 645         int len = (prefix % 4) + 4;
 646
 647         if (prefix < 128) {
 648                 copied_ip = g_strndup(ip, len);
 649                 g_snprintf(routing_ip, sizeof(routing_ip), "%s:", copied_ip);
 650                 g_free(copied_ip);
 651
 652                 snprintf(args, sizeof(args), IPV6_INTERFACE_ROUTING,
 653                                 ip, prefix, if_name);
 654         } else {
 655                 snprintf(args, sizeof(args), IPV6_INTERFACE_ROUTING,
 656                                 ip, prefix, if_name);
 657         }
 658
 659         if (_execute_ip_command(args)) {
 660                 BT_ERR("%s is failed\n", args);
 661                 return FALSE;
 662         }
 663
 664         BT_DBG("--");
 665         return TRUE;
 666 }
 667
 668 static void __bt_ipsp_dbus_method(GDBusConnection *connection,
 669                         const gchar *sender,
 670                         const gchar *object_path,
 671                         const gchar *interface_name,
 672                         const gchar *method_name,
 673                         GVariant *parameters,
 674                         GDBusMethodInvocation *invocation,
 675                         gpointer user_data)
 676 {
 677         int ret = 0;
 678
 679         BT_DBG("method %s", method_name);
 680         if (g_strcmp0(method_name, "EnableIpsp") == 0) {
 681                 BT_DBG("");
 682 //              ret = _bt_core_enable_adapter();
 683 //              ret = bt_ipsp_set_connection_state_changed_cb(
 684 //                              __bt_ipsp_connection_state_changed_cb, NULL);
 685
 686 //              if (ret != BT_ERROR_NONE)
 687 //                      BT_ERR("failed to set ipsp changed cb");
 688
 689                 /* init network */
 690                 ret = connection_create(&net_connection);
 691                 if (ret != CONNECTION_ERROR_NONE)
 692                         BT_ERR("connection create is failed");
 693
 694                 ret = connection_get_current_profile(net_connection, &tethered_prof);
 695                 if (ret != CONNECTION_ERROR_NONE)
 696                         BT_ERR("connection_get_current_profile is failed [0x%X]", ret);
 697
 698                 __enable_ipv6_forwarding();
 699                 __enable_ipv6_proxy_ndp();
 700
 701                 __bt_ipsp_execute_dhcp6_server();
 702
 703         } else if (g_strcmp0(method_name, "SetIpv6Addr") == 0) {
 704                 int ret;
 705                 BT_DBG("");
 706                 char *ifname = NULL;
 707                 char *address = NULL;
 708                 char *ip6;
 709                 gchar *network_ipv6_address = NULL;
 710
 711                 char *remote_ipv6_address = NULL;
 712                 //char *network_ipv6_address = NULL;
 713                 char *network_interface = NULL;
 714
 715                 g_variant_get(parameters, "(ss)", &ifname, &address);
 716                 BT_DBG("Ipsp interface name : %s", ifname);
 717                 BT_DBG("remote device address : %s", address);
 718
 719                 ret = __bt_ipsp_create_ipv6_address(ifname, &ip6);
 720                 if (ret != BT_ERROR_NONE)
 721                         BT_DBG("failed to create ipv6 address");
 722
 723                 ret = __bt_ipsp_set_ipv6_address(ifname, ip6);
 724                 if (ret != BT_ERROR_NONE)
 725                         BT_DBG("failed to set ipv6 address");
 726
 727                 ret = __bt_ipsp_create_ipv6_remote_address(address, &remote_ipv6_address);
 728                 if (ret != BT_ERROR_NONE)
 729                         BT_DBG("failed to create remote device ipv6 address");
 730
 731                 __bt_ipsp_get_network_interface_name(&network_interface);
 732                 __bt_ipsp_get_network_ipv6_address(network_interface, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_ipv6_address);
 733
 734                 /* Add the Routing Rule */
 735                 __bt_ipsp_add_ipv6_neigh_proxy(network_interface, remote_ipv6_address);
 736                 __bt_ipsp_add_ipv6_neigh_proxy(ifname, network_ipv6_address);
 737
 738
 739                 __bt_ipsp_add_ipv6_route(ifname, remote_ipv6_address, 128);
 740                 __bt_ipsp_add_ipv6_route(network_interface, network_ipv6_address, 64);
 741
 742                 g_free(network_ipv6_address);
 743
 744         }
 745
 746         BT_DBG("-");
 747 }
 748
 749 static const GDBusInterfaceVTable method_table = {
 750         __bt_ipsp_dbus_method,
 751         NULL,
 752         NULL,
 753 };
 754
 755
 756 gboolean __is_interface_and_signal_valid(const gchar *interface_name,
 757                                                 const gchar *signal_name)
 758 {
 759         if (g_strcmp0(interface_name, "org.freedesktop.DBus") &&
 760                 g_strcmp0(interface_name, "org.freedesktop.DBus.ObjectManager"))
 761                 return FALSE;
 762
 763         if (g_strcmp0(signal_name, "NameOwnerChanged") &&
 764                 g_strcmp0(signal_name, "InterfacesAdded") &&
 765                 g_strcmp0(signal_name, "InterfacesRemoved"))
 766                 return FALSE;
 767
 768         return TRUE;
 769 }
 770
 771 static void __bt_ipsp_event_filter(GDBusConnection *connection,
 772                                                  const gchar *sender_name,
 773                                                  const gchar *object_path,
 774                                                  const gchar *interface_name,
 775                                                  const gchar *signal_name,
 776                                                  GVariant *parameters,
 777                                                  gpointer user_data)
 778 {
 779         if (!__is_interface_and_signal_valid(interface_name, signal_name))
 780                 return;
 781
 782         if (!g_strcmp0(signal_name, "InterfacesAdded")) {
 783                 char *obj_path = NULL;
 784                 GVariant *optional_param;
 785
 786                 g_variant_get(parameters, "(&o@a{sa{sv}})",
 787                                                 &obj_path, &optional_param);
 788
 789 //              if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0)
 790 //                      _bt_core_adapter_added_cb();
 791
 792         } else if (!g_strcmp0(signal_name, "InterfacesRemoved")) {
 793                 char *obj_path = NULL;
 794                 GVariant *optional_param;
 795
 796                 g_variant_get(parameters, "(&o@as)", &obj_path,
 797                                                         &optional_param);
 798
 799 //              if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0)
 800 //                      _bt_core_adapter_removed_cb();
 801
 802         } else { /* NameOwnerChanged */
 803 //              const char *name = NULL;
 804 //              const char *old_owner = NULL;
 805 //              const char *new_owner = NULL;
 806
 807 //              g_variant_get(parameters, "(&s&s&s)", &name, &old_owner,
 808 //                                                              &new_owner);
 809
 810 //              if (new_owner != NULL && *new_owner == '\0')
 811 //                      __handle_name_owner_changed(name);
 812         }
 813 }
 814
 815 static GDBusNodeInfo *__bt_ipsp_create_node_info(
 816                                         const gchar *introspection_data)
 817 {
 818         GError *err = NULL;
 819         GDBusNodeInfo *node_info = NULL;
 820
 821         if (introspection_data == NULL)
 822                 return NULL;
 823
 824         node_info = g_dbus_node_info_new_for_xml(introspection_data, &err);
 825
 826         if (err) {
 827                 BT_ERR("Unable to create node: %s", err->message);
 828                 g_clear_error(&err);
 829         }
 830         return node_info;
 831 }
 832
 833 gboolean _bt_ipsp_register_dbus(void)
 834 {
 835         GError *error = NULL;
 836         guint owner_id;
 837         GDBusNodeInfo *node_info;
 838         gchar *path;
 839         GDBusConnection *conn;
 840
 841         conn = _bt_ipsp_get_gdbus_connection();
 842         if (!conn)
 843                 return FALSE;
 844
 845         owner_id = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 846                                 BT_IPSP_NAME,
 847                                 G_BUS_NAME_OWNER_FLAGS_NONE,
 848                                 NULL, NULL, NULL,
 849                                 NULL, NULL);
 850
 851         BT_DBG("owner_id is [%d]", owner_id);
 852
 853         node_info = __bt_ipsp_create_node_info(bt_ipsp_introspection_xml);
 854         if (node_info == NULL)
 855                 return FALSE;
 856
 857         path = g_strdup(BT_IPSP_PATH);
 858         BT_DBG("path is [%s]", path);
 859
 860         obj_id = g_dbus_connection_register_object(conn, path,
 861                                         node_info->interfaces[0],
 862                                         &method_table,
 863                                         NULL, NULL, &error);
 864         if (obj_id == 0) {
 865                 BT_ERR("Failed to register: %s", error->message);
 866                 g_error_free(error);
 867                 g_free(path);
 868                 return FALSE;
 869         }
 870
 871         g_free(path);
 872
 873         sig_id1 = g_dbus_connection_signal_subscribe(conn,
 874                                 NULL, "org.freedesktop.DBus",
 875                                 "NameOwnerChanged", NULL, NULL, 0,
 876                                 __bt_ipsp_event_filter, NULL, NULL);
 877         sig_id2 = g_dbus_connection_signal_subscribe(conn,
 878                                 NULL, "org.freedesktop.DBus.ObjectManager",
 879                                 "InterfacesAdded", NULL, NULL,
 880                                 0, __bt_ipsp_event_filter, NULL, NULL);
 881         sig_id3 = g_dbus_connection_signal_subscribe(conn,
 882                                 NULL, "org.freedesktop.DBus.ObjectManager",
 883                                 "InterfacesRemoved", NULL,
 884                                 NULL, 0, __bt_ipsp_event_filter, NULL, NULL);
 885
 886         return TRUE;
 887 }
 888
 889 int main(void)
 890 {
 891         gboolean ret;
 892         struct sigaction sa;
 893
 894         BT_INFO_C("Starting bt-ipsp daemeon");
 895
 896         ret = _bt_ipsp_register_dbus();
 897         if (!ret) {
 898                 BT_ERR("_bt_core_register_dbus failed");
 899                 goto fail;
 900         }
 901
 902
 903         memset(&sa, 0, sizeof(sa));
 904         sa.sa_handler = __bt_ipsp_sigterm_handler;
 905         sigaction(SIGINT, &sa, NULL);
 906         sigaction(SIGTERM, &sa, NULL);
 907
 908 //      g_timeout_add(500, (GSourceFunc)__bt_check_bt_core, NULL);
 909
 910         main_loop = g_main_loop_new(NULL, FALSE);
 911         if (!main_loop) {
 912                 BT_ERR("creating main loop failed");
 913                 goto fail;
 914         }
 915
 916         g_main_loop_run(main_loop);
 917
 918 fail:
 919         _bt_ipsp_unregister_dbus();
 920
 921         if (main_loop)
 922                 g_main_loop_unref(main_loop);
 923
 924         BT_INFO_C("Terminating bt-ipsp daemon");
 925
 926         return 0;
 927
 928
 929 }