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
 257         if (network_if_name) {
 258                 __bt_ipsp_get_network_ipv6_address(network_if_name, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_addr);
 259                 g_free(network_if_name);
 260         }
 261
 262         if (link_addr == NULL || network_addr == NULL) {
 263                 BT_DBG("address is NULL");
 264                 g_free(link_addr);
 265                 g_free(network_addr);
 266                 return BT_ERROR_OPERATION_FAILED;
 267         }
 268
 269         prefix = g_strndup(network_addr, 19);
 270         g_free(network_addr);
 271
 272         link_addr_cpy = link_addr;
 273
 274         for (i = 0; i < 4; i++) {
 275                 strtok_r(link_addr_cpy, ":", &if_id);
 276                 link_addr_cpy = if_id;
 277         }
 278         snprintf(copied, sizeof(copied), "%s:%s", prefix, if_id);
 279
 280         *ipv6_address = g_strdup(copied);
 281
 282         BT_DBG("Created IPv6 address [%s]", *ipv6_address);
 283         g_free(link_addr);
 284         g_free(prefix);
 285         BT_DBG("--");
 286         return BT_ERROR_NONE;
 287 }
 288
 289 int __bt_ipsp_set_ipv6_address(const char *if_name, char *ipv6_addr)
 290 {
 291         BT_DBG("++");
 292         struct ifreq ifr;
 293         struct sockaddr_in6 addr;
 294         int sock_fd;
 295         struct in6_ifreq ifr6;
 296
 297         sock_fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP);
 298         if (sock_fd == -1) {
 299                 BT_ERR("failed to open socket for ipv6");
 300                 return BT_ERROR_OPERATION_FAILED;
 301         }
 302
 303         g_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
 304
 305         memset(&addr, 0, sizeof(struct sockaddr_in6));
 306         addr.sin6_family = AF_INET6;
 307         addr.sin6_port = 0;
 308
 309         if (inet_pton(AF_INET6, ipv6_addr, (void *)&addr.sin6_addr) <= 0) {
 310                 BT_ERR("Bad address!!");
 311                 close(sock_fd);
 312                 return BT_ERROR_OPERATION_FAILED;
 313         }
 314
 315         memcpy((char *)&ifr6.ifr6_addr, (char *)&addr.sin6_addr, sizeof(struct in6_addr));
 316
 317         if (ioctl(sock_fd, SIOGIFINDEX, &ifr) < 0) {
 318                 BT_ERR("ioctl failed...!!!\n");
 319                 close(sock_fd);
 320                 return BT_ERROR_OPERATION_FAILED;
 321         }
 322
 323         ifr6.ifr6_ifindex = ifr.ifr_ifindex;
 324         ifr6.ifr6_prefixlen = 64;
 325
 326         if (ioctl(sock_fd, SIOCSIFADDR, &ifr6) < 0) {
 327                 BT_ERR("ioctl failed...!!!\n");
 328                 close(sock_fd);
 329                 return BT_ERROR_OPERATION_FAILED;
 330         }
 331
 332         ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
 333
 334         if (ioctl(sock_fd, SIOCSIFFLAGS, &ifr) < 0) {
 335                 BT_ERR("ioctl failed...!!!\n");
 336                 close(sock_fd);
 337                 return BT_ERROR_OPERATION_FAILED;
 338         }
 339
 340         close(sock_fd);
 341         BT_DBG("--");
 342
 343         return BT_ERROR_NONE;
 344
 345 }
 346
 347
 348
 349 void __bt_ipsp_connection_state_changed_cb(int result, bool connected, const char *remote_address,
 350                 const char *iface_name, void *user_data)
 351 {
 352         BT_DBG("result: %d", result);
 353         BT_DBG("Connected : %d", connected);
 354         BT_DBG("Remote BT address : %s", remote_address);
 355         BT_DBG("Interface name : %s", remote_address);
 356 }
 357
 358 static int __enable_ipv6_forwarding(void)
 359 {
 360         BT_DBG("++");
 361         int fd = -1;
 362
 363         fd = open(IPV6_FORWARDING, O_WRONLY);
 364         if (fd < 0) {
 365                 BT_ERR("open failed\n");
 366                 return BT_ERROR_OPERATION_FAILED;
 367         }
 368
 369         if (write(fd, "1", 1) != 1) {
 370                 BT_ERR("write failed\n");
 371                 close(fd);
 372                 return BT_ERROR_OPERATION_FAILED;
 373         }
 374         close(fd);
 375
 376         BT_DBG("--");
 377         return BT_ERROR_NONE;
 378 }
 379
 380 static int __enable_ipv6_proxy_ndp(void)
 381 {
 382         BT_DBG("++");
 383         int fd = -1;
 384
 385         fd = open(IPV6_PROXY_NDP, O_WRONLY);
 386         if (fd < 0) {
 387                 BT_ERR("open failed\n");
 388                 return BT_ERROR_OPERATION_FAILED;
 389         }
 390
 391         if (write(fd, "1", 1) != 1) {
 392                 BT_ERR("write failed\n");
 393                 close(fd);
 394                 return BT_ERROR_OPERATION_FAILED;
 395         }
 396         close(fd);
 397
 398         BT_DBG("--");
 399         return BT_ERROR_NONE;
 400 }
 401
 402 int __bt_ipsp_execute_dhcp6_server(void)
 403 {
 404         BT_DBG("++");
 405         char buf[DNSMASQ_CONF_LEN] = "";
 406         FILE *fp = NULL;
 407         pid_t pid;
 408         gchar *network_if_name = NULL;
 409         gchar *network_addr = NULL;
 410         gchar *address = NULL;
 411
 412         if (remove(DNSMASQ_LEASES_FILE) < 0)
 413                 BT_ERR("Failed to remove %s", DNSMASQ_LEASES_FILE);
 414
 415         if (dnsmasq_pid == 0) {
 416                 fp = fopen(DNSMASQ_CONF_FILE, "w");
 417                 if (NULL == fp) {
 418                         BT_ERR("Could not create the file.\n");
 419                         return BT_ERROR_OPERATION_FAILED;
 420                 }
 421
 422                 __bt_ipsp_get_network_interface_name(&network_if_name);
 423                 if (network_if_name == NULL) {
 424                         BT_ERR("Failed to get network interface");
 425                         fclose(fp);
 426                         return BT_ERROR_OPERATION_FAILED;
 427                 }
 428
 429                 __bt_ipsp_get_network_ipv6_address(network_if_name, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_addr);
 430
 431                 address = g_strndup(network_addr, 19);
 432                 snprintf(buf, DNSMASQ_CONF_LEN, DNSMASQ_CONF6, dns_addr, address);
 433                 fputs(buf, fp);
 434                 g_free(network_if_name);
 435                 g_free(network_addr);
 436                 g_free(address);
 437                 fclose(fp);
 438
 439                 pid = fork();
 440                 if (pid < 0) {
 441                         BT_ERR("fork failed\n");
 442                         return BT_ERROR_OPERATION_FAILED;
 443                 }
 444
 445                 if (pid == 0) {
 446                         /* -d : Debug mode
 447                          * -p : DNS port
 448                          * -C file : Configuration file path
 449                          */
 450                         if (execl("/usr/bin/dnsmasq", "/usr/bin/dnsmasq", "-d",
 451                                                 "-p", "0", "-C", DNSMASQ_CONF_FILE,
 452                                                 (char *)NULL)) {
 453                                 BT_ERR("execl failed\n");
 454                         }
 455
 456                         BT_ERR("Should not get here!");
 457                         return BT_ERROR_OPERATION_FAILED;
 458                 }
 459
 460                 dnsmasq_pid = pid;
 461         } else {
 462                 BT_DBG("DNS-SERVER is already running.\n");
 463         }
 464
 465         BT_DBG("--");
 466         return BT_ERROR_NONE;
 467
 468 }
 469
 470 static void __generate_eui64_address(char *hw_addr, char **eui64_addr)
 471 {
 472         char addr[6][3];
 473         char addr64[20] = {0,};
 474         char *copied = g_strdup(hw_addr);
 475         char *copied_origin = NULL;
 476         char *ptr = NULL;
 477         unsigned int hex = 0;
 478         int i;
 479
 480         BT_DBG("+");
 481         copied_origin = copied;
 482
 483         for (i = 0; i < 6; i++) {
 484                 strtok_r(copied, ":", &ptr);
 485                 if (sizeof(addr[i]) <= strlen(copied)) {
 486                         strncpy(addr[i], copied, sizeof(addr[i]) - 1);
 487                         addr[i][(int)(sizeof(addr[i]) - 1)] = '\0';
 488                 } else {
 489                         strncpy(addr[i], copied, strlen(copied));
 490                         addr[i][(int)strlen(copied)] = '\0';
 491                 }
 492
 493                 BT_DBG("copied/ptr (%s/%s)", copied, ptr);
 494                 BT_DBG("addr(%s)", addr[i]);
 495                 copied = ptr;
 496         }
 497
 498         BT_DBG("----------");
 499         sscanf(addr[0], "%x", &hex);
 500         BT_DBG("+++");
 501         /* Invert 7th bit */
 502         hex ^= 2;
 503         BT_DBG("Inverted bit(%x)", hex);
 504         snprintf(addr64, sizeof(addr64), "%x%s:%sff:fe%s:%s%s",
 505                         hex, addr[1], addr[2], addr[3], addr[4], addr[5]);
 506
 507         BT_DBG("addr64(%s)", addr64);
 508         *eui64_addr = g_strdup(addr64);
 509
 510         BT_DBG("Generated EUI-64 address (%s)", *eui64_addr);
 511         g_free(copied_origin);
 512
 513         BT_DBG("-");
 514 }
 515
 516 int __bt_ipsp_create_ipv6_remote_address(char *remote_address, char **ipv6_address)
 517 {
 518         BT_DBG("++");
 519         gchar *eui64_addr = NULL;
 520         gchar *network_addr = NULL;
 521         gchar *network_if_name = NULL;
 522         gchar *prefix = NULL;
 523         char copied[MH_MAX_IPV6_ADDRESS_STR_LEN] = {0, };
 524
 525         __generate_eui64_address(remote_address, &eui64_addr);
 526         if (eui64_addr == NULL) {
 527                 BT_ERR("Failed to generate EUI-64 ID!!");
 528                 return BT_ERROR_OPERATION_FAILED;
 529         }
 530
 531         __bt_ipsp_get_network_interface_name(&network_if_name);
 532         if (network_if_name == NULL) {
 533                 BT_ERR("Failed to get network interface");
 534                 g_free(eui64_addr);
 535                 return BT_ERROR_OPERATION_FAILED;
 536         }
 537
 538         __bt_ipsp_get_network_ipv6_address(network_if_name, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_addr);
 539         g_free(network_if_name);
 540         if (network_addr == NULL) {
 541                 BT_ERR("Failed to get network address!!");
 542                 g_free(eui64_addr);
 543                 return BT_ERROR_OPERATION_FAILED;
 544         }
 545
 546         prefix = g_strndup(network_addr, 19);
 547         snprintf(copied, sizeof(copied), "%s:%s", prefix, eui64_addr);
 548         *ipv6_address = g_strdup(copied);
 549         BT_DBG("remote device ipv6 addr : %s", *ipv6_address);
 550
 551         g_free(prefix);
 552         g_free(eui64_addr);
 553         g_free(network_addr);
 554         BT_DBG("--");
 555         return BT_ERROR_NONE;
 556 }
 557
 558 static int _execute_ip_command(const char *ip_args)
 559 {
 560         if (ip_args == NULL) {
 561                 BT_ERR("Invalid param\n");
 562                 return -1;
 563         }
 564
 565         int status = 0;
 566         int exit_status = 0;
 567         pid_t pid = 0;
 568         gchar **args = NULL;
 569         char ip_cmd[MAX_BUF_SIZE] = {0, };
 570
 571         BT_DBG("Args : %s\n", ip_args);
 572
 573         snprintf(ip_cmd, sizeof(ip_cmd), "%s -6 neigh add %s",
 574                         IP_CMD, ip_args);
 575
 576         BT_DBG("IP_CMD : %s\n", ip_cmd);
 577
 578         args = g_strsplit_set(ip_cmd, " ", -1);
 579         if (!args) {
 580                 BT_ERR("g_strsplit_set failed\n");
 581                 return -1;
 582         }
 583
 584         if ((pid = fork()) < 0) {
 585                 BT_ERR("fork failed\n");
 586                 g_strfreev(args);
 587                 return -1;
 588         }
 589
 590         if (!pid) {
 591                 if (execv(args[0], args))
 592                         BT_ERR("execl failed\n");
 593
 594                 BT_ERR("Should never get here!\n");
 595                 g_strfreev(args);
 596                 return -1;
 597         } else {
 598                 /* Need to add timeout */
 599                 waitpid(pid, &status, 0);
 600                 g_strfreev(args);
 601
 602                 if (WIFEXITED(status)) {
 603                         exit_status = WEXITSTATUS(status);
 604                         if (exit_status) {
 605                                 BT_ERR("child return : %d\n", exit_status);
 606                                 return -1;
 607                         }
 608                         return 0;
 609                 } else {
 610                         BT_ERR("child is terminated without exit\n");
 611                         return -1;
 612                 }
 613         }
 614 }
 615
 616 gboolean __bt_ipsp_add_ipv6_neigh_proxy(char *if_name, char *ip)
 617 {
 618         BT_DBG("++");
 619         if (tethered_prof == NULL) {
 620                 BT_DBG("There is no network\n");
 621                 return TRUE;
 622         }
 623
 624         char args[MAX_BUF_SIZE] = {0, };
 625
 626         snprintf(args, sizeof(args), IPV6_NEIGH_PROXY,
 627                         ip, if_name);
 628
 629         if (_execute_ip_command(args)) {
 630                 BT_ERR("%s is failed\n", args);
 631                 return FALSE;
 632         }
 633
 634         BT_DBG("--");
 635         return TRUE;
 636 }
 637
 638 gboolean __bt_ipsp_add_ipv6_route(char *if_name, char *ip, int prefix)
 639 {
 640         BT_DBG("++");
 641         if (tethered_prof == NULL) {
 642                 BT_DBG("There is no network\n");
 643                 return TRUE;
 644         }
 645
 646         char args[MAX_BUF_SIZE] = {0, };
 647         char routing_ip[MH_MAX_IPV6_ADDRESS_STR_LEN] = {0, };
 648         char *copied_ip = NULL;
 649         int len = (prefix % 4) + 4;
 650
 651         if (prefix < 128) {
 652                 copied_ip = g_strndup(ip, len);
 653                 g_snprintf(routing_ip, sizeof(routing_ip), "%s:", copied_ip);
 654                 g_free(copied_ip);
 655
 656                 snprintf(args, sizeof(args), IPV6_INTERFACE_ROUTING,
 657                                 ip, prefix, if_name);
 658         } else {
 659                 snprintf(args, sizeof(args), IPV6_INTERFACE_ROUTING,
 660                                 ip, prefix, if_name);
 661         }
 662
 663         if (_execute_ip_command(args)) {
 664                 BT_ERR("%s is failed\n", args);
 665                 return FALSE;
 666         }
 667
 668         BT_DBG("--");
 669         return TRUE;
 670 }
 671
 672 static void __bt_ipsp_dbus_method(GDBusConnection *connection,
 673                         const gchar *sender,
 674                         const gchar *object_path,
 675                         const gchar *interface_name,
 676                         const gchar *method_name,
 677                         GVariant *parameters,
 678                         GDBusMethodInvocation *invocation,
 679                         gpointer user_data)
 680 {
 681         int ret = 0;
 682
 683         BT_DBG("method %s", method_name);
 684         if (g_strcmp0(method_name, "EnableIpsp") == 0) {
 685                 BT_DBG("");
 686 //              ret = _bt_core_enable_adapter();
 687 //              ret = bt_ipsp_set_connection_state_changed_cb(
 688 //                              __bt_ipsp_connection_state_changed_cb, NULL);
 689
 690 //              if (ret != BT_ERROR_NONE)
 691 //                      BT_ERR("failed to set ipsp changed cb");
 692
 693                 /* init network */
 694                 ret = connection_create(&net_connection);
 695                 if (ret != CONNECTION_ERROR_NONE)
 696                         BT_ERR("connection create is failed");
 697
 698                 ret = connection_get_current_profile(net_connection, &tethered_prof);
 699                 if (ret != CONNECTION_ERROR_NONE)
 700                         BT_ERR("connection_get_current_profile is failed [0x%X]", ret);
 701
 702                 __enable_ipv6_forwarding();
 703                 __enable_ipv6_proxy_ndp();
 704
 705                 __bt_ipsp_execute_dhcp6_server();
 706
 707         } else if (g_strcmp0(method_name, "SetIpv6Addr") == 0) {
 708                 int ret;
 709                 BT_DBG("");
 710                 char *ifname = NULL;
 711                 char *address = NULL;
 712                 char *ip6;
 713                 gchar *network_ipv6_address = NULL;
 714
 715                 char *remote_ipv6_address = NULL;
 716                 //char *network_ipv6_address = NULL;
 717                 char *network_interface = NULL;
 718
 719                 g_variant_get(parameters, "(ss)", &ifname, &address);
 720                 BT_DBG("Ipsp interface name : %s", ifname);
 721                 BT_DBG("remote device address : %s", address);
 722
 723                 ret = __bt_ipsp_create_ipv6_address(ifname, &ip6);
 724                 if (ret != BT_ERROR_NONE)
 725                         BT_DBG("failed to create ipv6 address");
 726
 727                 ret = __bt_ipsp_set_ipv6_address(ifname, ip6);
 728                 if (ret != BT_ERROR_NONE)
 729                         BT_DBG("failed to set ipv6 address");
 730
 731                 ret = __bt_ipsp_create_ipv6_remote_address(address, &remote_ipv6_address);
 732                 if (ret != BT_ERROR_NONE)
 733                         BT_DBG("failed to create remote device ipv6 address");
 734
 735                 __bt_ipsp_get_network_interface_name(&network_interface);
 736
 737                 if (network_interface)
 738                         __bt_ipsp_get_network_ipv6_address(network_interface, MOBILE_AP_IPV6_SCOPE_GLOBAL, &network_ipv6_address);
 739
 740                 /* Add the Routing Rule */
 741                 __bt_ipsp_add_ipv6_neigh_proxy(network_interface, remote_ipv6_address);
 742                 __bt_ipsp_add_ipv6_neigh_proxy(ifname, network_ipv6_address);
 743
 744
 745                 __bt_ipsp_add_ipv6_route(ifname, remote_ipv6_address, 128);
 746                 __bt_ipsp_add_ipv6_route(network_interface, network_ipv6_address, 64);
 747
 748                 g_free(network_ipv6_address);
 749                 g_free(remote_ipv6_address);
 750                 g_free(network_interface);
 751         }
 752
 753         BT_DBG("-");
 754 }
 755
 756 static const GDBusInterfaceVTable method_table = {
 757         __bt_ipsp_dbus_method,
 758         NULL,
 759         NULL,
 760 };
 761
 762
 763 gboolean __is_interface_and_signal_valid(const gchar *interface_name,
 764                                                 const gchar *signal_name)
 765 {
 766         if (g_strcmp0(interface_name, "org.freedesktop.DBus") &&
 767                 g_strcmp0(interface_name, "org.freedesktop.DBus.ObjectManager"))
 768                 return FALSE;
 769
 770         if (g_strcmp0(signal_name, "NameOwnerChanged") &&
 771                 g_strcmp0(signal_name, "InterfacesAdded") &&
 772                 g_strcmp0(signal_name, "InterfacesRemoved"))
 773                 return FALSE;
 774
 775         return TRUE;
 776 }
 777
 778 static void __bt_ipsp_event_filter(GDBusConnection *connection,
 779                                                  const gchar *sender_name,
 780                                                  const gchar *object_path,
 781                                                  const gchar *interface_name,
 782                                                  const gchar *signal_name,
 783                                                  GVariant *parameters,
 784                                                  gpointer user_data)
 785 {
 786         if (!__is_interface_and_signal_valid(interface_name, signal_name))
 787                 return;
 788
 789         if (!g_strcmp0(signal_name, "InterfacesAdded")) {
 790                 char *obj_path = NULL;
 791                 GVariant *optional_param;
 792
 793                 g_variant_get(parameters, "(&o@a{sa{sv}})",
 794                                                 &obj_path, &optional_param);
 795
 796 //              if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0)
 797 //                      _bt_core_adapter_added_cb();
 798
 799         } else if (!g_strcmp0(signal_name, "InterfacesRemoved")) {
 800                 char *obj_path = NULL;
 801                 GVariant *optional_param;
 802
 803                 g_variant_get(parameters, "(&o@as)", &obj_path,
 804                                                         &optional_param);
 805
 806 //              if (g_strcmp0(obj_path, "/org/bluez/hci0") == 0)
 807 //                      _bt_core_adapter_removed_cb();
 808
 809         } else { /* NameOwnerChanged */
 810 //              const char *name = NULL;
 811 //              const char *old_owner = NULL;
 812 //              const char *new_owner = NULL;
 813
 814 //              g_variant_get(parameters, "(&s&s&s)", &name, &old_owner,
 815 //                                                              &new_owner);
 816
 817 //              if (new_owner != NULL && *new_owner == '\0')
 818 //                      __handle_name_owner_changed(name);
 819         }
 820 }
 821
 822 static GDBusNodeInfo *__bt_ipsp_create_node_info(
 823                                         const gchar *introspection_data)
 824 {
 825         GError *err = NULL;
 826         GDBusNodeInfo *node_info = NULL;
 827
 828         if (introspection_data == NULL)
 829                 return NULL;
 830
 831         node_info = g_dbus_node_info_new_for_xml(introspection_data, &err);
 832
 833         if (err) {
 834                 BT_ERR("Unable to create node: %s", err->message);
 835                 g_clear_error(&err);
 836         }
 837         return node_info;
 838 }
 839
 840 gboolean _bt_ipsp_register_dbus(void)
 841 {
 842         GError *error = NULL;
 843         guint owner_id;
 844         GDBusNodeInfo *node_info;
 845         gchar *path;
 846         GDBusConnection *conn;
 847
 848         conn = _bt_ipsp_get_gdbus_connection();
 849         if (!conn)
 850                 return FALSE;
 851
 852         owner_id = g_bus_own_name(G_BUS_TYPE_SYSTEM,
 853                                 BT_IPSP_NAME,
 854                                 G_BUS_NAME_OWNER_FLAGS_NONE,
 855                                 NULL, NULL, NULL,
 856                                 NULL, NULL);
 857
 858         BT_DBG("owner_id is [%d]", owner_id);
 859
 860         node_info = __bt_ipsp_create_node_info(bt_ipsp_introspection_xml);
 861         if (node_info == NULL)
 862                 return FALSE;
 863
 864         path = g_strdup(BT_IPSP_PATH);
 865         BT_DBG("path is [%s]", path);
 866
 867         obj_id = g_dbus_connection_register_object(conn, path,
 868                                         node_info->interfaces[0],
 869                                         &method_table,
 870                                         NULL, NULL, &error);
 871         if (obj_id == 0) {
 872                 BT_ERR("Failed to register: %s", error->message);
 873                 g_error_free(error);
 874                 g_free(path);
 875                 return FALSE;
 876         }
 877
 878         g_free(path);
 879
 880         sig_id1 = g_dbus_connection_signal_subscribe(conn,
 881                                 NULL, "org.freedesktop.DBus",
 882                                 "NameOwnerChanged", NULL, NULL, 0,
 883                                 __bt_ipsp_event_filter, NULL, NULL);
 884         sig_id2 = g_dbus_connection_signal_subscribe(conn,
 885                                 NULL, "org.freedesktop.DBus.ObjectManager",
 886                                 "InterfacesAdded", NULL, NULL,
 887                                 0, __bt_ipsp_event_filter, NULL, NULL);
 888         sig_id3 = g_dbus_connection_signal_subscribe(conn,
 889                                 NULL, "org.freedesktop.DBus.ObjectManager",
 890                                 "InterfacesRemoved", NULL,
 891                                 NULL, 0, __bt_ipsp_event_filter, NULL, NULL);
 892
 893         return TRUE;
 894 }
 895
 896 int main(void)
 897 {
 898         gboolean ret;
 899         struct sigaction sa;
 900
 901         BT_INFO_C("Starting bt-ipsp daemeon");
 902
 903         ret = _bt_ipsp_register_dbus();
 904         if (!ret) {
 905                 BT_ERR("_bt_core_register_dbus failed");
 906                 goto fail;
 907         }
 908
 909
 910         memset(&sa, 0, sizeof(sa));
 911         sa.sa_handler = __bt_ipsp_sigterm_handler;
 912         sigaction(SIGINT, &sa, NULL);
 913         sigaction(SIGTERM, &sa, NULL);
 914
 915 //      g_timeout_add(500, (GSourceFunc)__bt_check_bt_core, NULL);
 916
 917         main_loop = g_main_loop_new(NULL, FALSE);
 918         if (!main_loop) {
 919                 BT_ERR("creating main loop failed");
 920                 goto fail;
 921         }
 922
 923         g_main_loop_run(main_loop);
 924
 925 fail:
 926         _bt_ipsp_unregister_dbus();
 927
 928         if (main_loop)
 929                 g_main_loop_unref(main_loop);
 930
 931         BT_INFO_C("Terminating bt-ipsp daemon");
 932
 933         return 0;
 934
 935
 936 }