src/utils/util.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <dlfcn.h>
  21 #include <errno.h>
  22 #include <vconf.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include <net/if.h>
  28 #include <net/route.h>
  29 #include <arpa/inet.h>
  30 #include <sys/wait.h>
  31 #include <sys/stat.h>
  32 #include <sys/ioctl.h>
  33 #include <ctype.h>
  34 #include <vconf-keys.h>
  35 #include <tzplatform_config.h>
  36 #include <system_info.h>
  37
  38 #include "log.h"
  39 #include "util.h"
  40 #include "neterror.h"
  41 #include "wifi-state.h"
  42 #include "netdbus.h"
  43
  44 #define DBUS_SERVICE_DBUS               "org.freedesktop.DBus"
  45 #define DBUS_INTERFACE_DBUS             "org.freedesktop.DBus"
  46 #define MAC_INFO_FILEPATH               tzplatform_mkpath(TZ_SYS_ETC, "/.mac.info")
  47 #define MAC_ADDRESS_FILEPATH    "/sys/class/net/wlan0/address"
  48 #define MAC_ADDRESS_MAX_LEN             18
  49 #define HEADED_PLUGIN_FILEPATH          "/usr/lib/net-config-plugin-headed.so"
  50 #define TELEPHONY_PLUGIN_FILEPATH       "/usr/lib/net-config-plugin-telephony.so"
  51
  52 static gboolean netconfig_device_picker_test = FALSE;
  53 static int mdnsd_ref_count = 0;
  54 typedef struct {
  55         char *conn_name;
  56         int conn_id;
  57 } dnssd_conn_destroy_data;
  58
  59 static gboolean netconfig_plugin_headed_enabled = FALSE;
  60 static gboolean netconfig_plugin_telephony_enabled = FALSE;
  61 static void *handle_headed;
  62 static void *handle_telephony;
  63 static struct netconfig_headed_plugin_t *headed_plugin;
  64 static struct netconfig_telephony_plugin_t *telephony_plugin;
  65
  66 static bool is_feature_checked[NETCONFIG_SUPPORTED_FEATURE_MAX] = {0, };
  67 static bool feature_supported[NETCONFIG_SUPPORTED_FEATURE_MAX] = {0, };
  68
  69 gboolean netconfig_check_passphrase(const gchar *service, const char *passphrase)
  70 {
  71         gsize length;
  72
  73         if (!passphrase)
  74                 return FALSE;
  75
  76         length = strlen(passphrase);
  77
  78         if (g_str_has_suffix(service, "psk") == TRUE) {
  79                 if (length == 64) {
  80                         for (int i = 0; i < 64; i++)
  81                                 if (!isxdigit((unsigned char)passphrase[i]))
  82                                         return FALSE;
  83                 } else if (length < 8 || length > 63)
  84                         return FALSE;
  85         } else if (g_str_has_suffix(service, "wep") == TRUE) {
  86                 if (length == 10 || length == 26) {
  87                         for (int i = 0; i < length; i++)
  88                                 if (!isxdigit((unsigned char)passphrase[i]))
  89                                         return FALSE;
  90                 } else if (length != 5 && length != 13)
  91                         return FALSE;
  92         }
  93
  94         return TRUE;
  95 }
  96
  97 GKeyFile *netconfig_keyfile_load(const char *pathname)
  98 {
  99         GKeyFile *keyfile = NULL;
 100         GError *error = NULL;
 101
 102         keyfile = g_key_file_new();
 103         if (g_key_file_load_from_file(keyfile, pathname, 0, &error) != TRUE) {
 104                 DBG("Unable to open %s, error %s", pathname, error->message);
 105                 g_error_free(error);
 106
 107                 g_key_file_free(keyfile);
 108                 keyfile = NULL;
 109         }
 110
 111         DBG("loaded keyfile %s", pathname);
 112         return keyfile;
 113 }
 114
 115 void netconfig_keyfile_save(GKeyFile *keyfile, const char *pathname)
 116 {
 117         gsize size = 0;
 118         GError *error = NULL;
 119         gchar *keydata = NULL;
 120         gchar *needle = NULL, *directory = NULL;
 121
 122         directory = g_strdup(pathname);
 123         needle = g_strrstr(directory, "/");
 124
 125         if (needle != NULL)
 126                 *needle = '\0';
 127
 128         if (directory == NULL || (*directory) == '\0') {
 129                 g_free(directory);
 130                 ERR("directory is NULL");
 131                 return;
 132         }
 133
 134         if (g_file_test(directory, G_FILE_TEST_IS_DIR) != TRUE) {
 135                 if (g_mkdir_with_parents(directory,
 136                                 S_IRUSR | S_IWUSR | S_IXUSR) != 0) {
 137                         g_free(directory);
 138                         ERR("failed to make directory");
 139                         return;
 140                 }
 141         }
 142         g_free(directory);
 143
 144         keydata = g_key_file_to_data(keyfile, &size, &error);
 145         if (g_file_set_contents(pathname, keydata, size, &error) != TRUE) {
 146                 ERR("Unable to save %s, error %s", pathname, error->message);
 147                 g_error_free(error);
 148         }
 149
 150         chmod(pathname, S_IRUSR | S_IWUSR);
 151         DBG("Successfully saved keyfile %s", pathname);
 152
 153         g_free(keydata);
 154 }
 155
 156 void netconfig_start_timer_seconds(guint secs,
 157                 gboolean(*callback) (gpointer), void *user_data, guint *timer_id)
 158 {
 159         guint t_id = 0;
 160
 161         if (callback == NULL) {
 162                 ERR("callback function is NULL");
 163                 return;
 164         }
 165
 166         if ((timer_id != NULL && *timer_id != 0)) {
 167                 ERR("timer already is registered");
 168                 return;
 169         }
 170
 171         t_id = g_timeout_add_seconds(secs, callback, user_data);
 172
 173         if (t_id == 0) {
 174                 ERR("Can't add timer");
 175                 return;
 176         }
 177
 178         if (timer_id != NULL)
 179                 *timer_id = t_id;
 180 }
 181
 182 void netconfig_start_timer(guint msecs,
 183                 gboolean(*callback) (gpointer), void *user_data, guint *timer_id)
 184 {
 185         guint t_id = 0;
 186
 187         INFO("Register timer with callback pointer (%p)", callback);
 188
 189         if (callback == NULL) {
 190                 ERR("callback function is NULL");
 191                 return;
 192         }
 193
 194         if ((timer_id != NULL && *timer_id != 0)) {
 195                 ERR("timer already is registered");
 196                 return;
 197         }
 198
 199         t_id = g_timeout_add(msecs, callback, user_data);
 200
 201         if (t_id == 0) {
 202                 ERR("Can't add timer");
 203                 return;
 204         }
 205
 206         if (timer_id != NULL)
 207                 *timer_id = t_id;
 208 }
 209
 210 void netconfig_stop_timer(guint *timer_id)
 211 {
 212         if (timer_id == NULL) {
 213                 ERR("timer is NULL");
 214                 return;
 215         }
 216
 217         if (*timer_id != 0) {
 218                 g_source_remove(*timer_id);
 219                 *timer_id = 0;
 220         }
 221 }
 222
 223 static gboolean __netconfig_test_device_picker()
 224 {
 225         char *favorite_wifi_service = NULL;
 226
 227         favorite_wifi_service = wifi_get_favorite_service();
 228         if (favorite_wifi_service != NULL) {
 229                 ERR("favorite_wifi_service is existed[%s] : Donot launch device picker", favorite_wifi_service);
 230                 g_free(favorite_wifi_service);
 231                 return FALSE;
 232         }
 233
 234         return TRUE;
 235 }
 236
 237 static void __netconfig_pop_device_picker(void)
 238 {
 239         if (!netconfig_plugin_headed_enabled)
 240                 return;
 241
 242         if (!headed_plugin)
 243                 return;
 244
 245         headed_plugin->pop_device_picker();
 246 }
 247
 248 static gboolean __netconfig_wifi_try_device_picker(gpointer data)
 249 {
 250         if (__netconfig_test_device_picker() == TRUE)
 251                 __netconfig_pop_device_picker();
 252
 253         return FALSE;
 254 }
 255
 256 static guint __netconfig_wifi_device_picker_timer_id(gboolean is_set_method, guint timer_id)
 257 {
 258         static guint netconfig_wifi_device_picker_service_timer = 0;
 259
 260         if (is_set_method != TRUE)
 261                 return netconfig_wifi_device_picker_service_timer;
 262
 263         if (netconfig_wifi_device_picker_service_timer != timer_id)
 264                 netconfig_wifi_device_picker_service_timer = timer_id;
 265
 266         return netconfig_wifi_device_picker_service_timer;
 267 }
 268
 269 static void __netconfig_wifi_device_picker_set_timer_id(guint timer_id)
 270 {
 271         __netconfig_wifi_device_picker_timer_id(TRUE, timer_id);
 272 }
 273
 274 static guint __netconfig_wifi_device_picker_get_timer_id(void)
 275 {
 276         return __netconfig_wifi_device_picker_timer_id(FALSE, -1);
 277 }
 278
 279 void netconfig_wifi_enable_device_picker_test(void)
 280 {
 281         netconfig_device_picker_test = TRUE;
 282 }
 283
 284 void netconfig_wifi_device_picker_service_start(void)
 285 {
 286         const int NETCONFIG_WIFI_DEVICE_PICKER_INTERVAL = 700;
 287         guint timer_id = 0;
 288
 289         if (netconfig_device_picker_test == TRUE)
 290                 netconfig_device_picker_test = FALSE;
 291         else
 292                 return;
 293
 294         int wifi_ug_state;
 295
 296         netconfig_vconf_get_int(VCONFKEY_WIFI_UG_RUN_STATE, &wifi_ug_state);
 297         if (wifi_ug_state == VCONFKEY_WIFI_UG_RUN_STATE_ON_FOREGROUND)
 298                 return;
 299
 300         DBG("Register device picker timer with %d milliseconds", NETCONFIG_WIFI_DEVICE_PICKER_INTERVAL);
 301         netconfig_start_timer(NETCONFIG_WIFI_DEVICE_PICKER_INTERVAL, __netconfig_wifi_try_device_picker, NULL, &timer_id);
 302
 303         __netconfig_wifi_device_picker_set_timer_id(timer_id);
 304 }
 305
 306 void netconfig_wifi_device_picker_service_stop(void)
 307 {
 308         guint timer_id = 0;
 309
 310         timer_id = __netconfig_wifi_device_picker_get_timer_id();
 311         if (timer_id == 0)
 312                 return;
 313
 314         DBG("Clear device picker timer with timer_id %d", timer_id);
 315
 316         netconfig_stop_timer(&timer_id);
 317
 318         __netconfig_wifi_device_picker_set_timer_id(timer_id);
 319 }
 320
 321 gboolean netconfig_is_wifi_direct_on(void)
 322 {
 323         if (!netconfig_check_feature_supported(NETCONFIG_SUPPORTED_FEATURE_WIFI_DIRECT))
 324                 return FALSE;
 325
 326         int wifi_direct_state = 0;
 327
 328         netconfig_vconf_get_int(VCONFKEY_WIFI_DIRECT_STATE, &wifi_direct_state);
 329
 330         DBG("Wi-Fi direct mode %d", wifi_direct_state);
 331         return (wifi_direct_state != 0) ? TRUE : FALSE;
 332 }
 333
 334 gboolean netconfig_is_wifi_tethering_on(void)
 335 {
 336         if (netconfig_check_feature_supported(NETCONFIG_SUPPORTED_FEATURE_TETHERING)) {
 337                 int wifi_tethering_state = 0;
 338
 339                 netconfig_vconf_get_int(VCONFKEY_MOBILE_HOTSPOT_MODE, &wifi_tethering_state);
 340                 DBG("Wi-Ti tethering mode %d", wifi_tethering_state);
 341                 if ((wifi_tethering_state & VCONFKEY_MOBILE_HOTSPOT_MODE_WIFI)
 342                                 || (wifi_tethering_state & VCONFKEY_MOBILE_HOTSPOT_MODE_WIFI_AP)) {
 343                         DBG("Mobile AP is on");
 344                         return TRUE;
 345                 }
 346         }
 347
 348         DBG("Mobile AP is off");
 349         return FALSE;
 350 }
 351
 352 gboolean netconfig_interface_up(const char *ifname)
 353 {
 354         int fd;
 355         struct ifreq ifr;
 356
 357         fd = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
 358         if (fd < 0)
 359                 return FALSE;
 360
 361         memset(&ifr, 0, sizeof(ifr));
 362         g_strlcpy((char *)ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
 363
 364         if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
 365                 close(fd);
 366                 return FALSE;
 367         }
 368
 369         ifr.ifr_flags |= (IFF_UP | IFF_DYNAMIC);
 370         if (ioctl(fd, SIOCSIFFLAGS, &ifr) < 0) {
 371                 close(fd);
 372                 return FALSE;
 373         }
 374
 375         close(fd);
 376
 377         DBG("Successfully activated wireless interface %s", ifname);
 378         return TRUE;
 379 }
 380
 381 gboolean netconfig_interface_down(const char *ifname)
 382 {
 383         int fd;
 384         struct ifreq ifr;
 385
 386         fd = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
 387         if (fd < 0)
 388                 return FALSE;
 389
 390         memset(&ifr, 0, sizeof(ifr));
 391         g_strlcpy((char *)ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
 392
 393         if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
 394                 close(fd);
 395                 return FALSE;
 396         }
 397
 398         ifr.ifr_flags = (ifr.ifr_flags & ~IFF_UP) | IFF_DYNAMIC;
 399         if (ioctl(fd, SIOCSIFFLAGS, &ifr) < 0) {
 400                 close(fd);
 401                 return FALSE;
 402         }
 403
 404         close(fd);
 405
 406         DBG("Successfully de-activated wireless interface %s", ifname);
 407         return TRUE;
 408 }
 409
 410 int netconfig_execute_file(const char *file_path,
 411                 char *const args[], char *const envs[])
 412 {
 413         pid_t pid = 0;
 414         int status = 0;
 415         int rv = 0;
 416         errno = 0;
 417         register unsigned int index = 0;
 418         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 419
 420         while (args[index] != NULL) {
 421                 DBG("%s", args[index]);
 422                 index++;
 423         }
 424
 425         if (!(pid = fork())) {
 426                 DBG("pid(%d), ppid (%d)", getpid(), getppid());
 427                 DBG("Inside child, exec (%s) command", file_path);
 428
 429                 errno = 0;
 430                 if (execve(file_path, args, envs) == -1) {
 431                         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 432                         DBG("Fail to execute command (%s)", error_buf);
 433                         exit(1);
 434                 }
 435         } else if (pid > 0) {
 436                 if (waitpid(pid, &status, 0) == -1)
 437                         DBG("wait pid (%u) status (%d)", pid, status);
 438
 439                 if (WIFEXITED(status)) {
 440                         rv = WEXITSTATUS(status);
 441                         DBG("exited, status=%d", rv);
 442                 } else if (WIFSIGNALED(status)) {
 443                         DBG("killed by signal %d", WTERMSIG(status));
 444                 } else if (WIFSTOPPED(status)) {
 445                         DBG("stopped by signal %d", WSTOPSIG(status));
 446                 } else if (WIFCONTINUED(status)) {
 447                         DBG("continued");
 448                 }
 449
 450                 return rv;
 451         }
 452
 453         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 454         DBG("failed to fork(%s)", error_buf);
 455         return -EIO;
 456 }
 457
 458 int netconfig_execute_cmd(const char *cmd)
 459 {
 460         if (cmd == NULL)
 461                 return -EIO;
 462
 463         pid_t pid = 0;
 464         int status = 0;
 465         int rv = 0;
 466         errno = 0;
 467         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 468         gchar **args = NULL;
 469
 470         DBG("command: %s", cmd);
 471
 472         args = g_strsplit_set(cmd, " ", -1);
 473
 474         if (!(pid = fork())) {
 475                 DBG("pid(%d), ppid (%d)", getpid(), getppid());
 476
 477                 errno = 0;
 478                 if (execv(args[0], args) == -1) {
 479                         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 480                         DBG("Fail to execute command (%s)", error_buf);
 481                         g_strfreev(args);
 482                         exit(1);
 483                 }
 484         } else if (pid > 0) {
 485                 if (waitpid(pid, &status, 0) == -1)
 486                         DBG("wait pid (%u) status (%d)", pid, status);
 487
 488                 if (WIFEXITED(status)) {
 489                         rv = WEXITSTATUS(status);
 490                         DBG("exited, status=%d", rv);
 491                 } else if (WIFSIGNALED(status)) {
 492                         DBG("killed by signal %d", WTERMSIG(status));
 493                 } else if (WIFSTOPPED(status)) {
 494                         DBG("stopped by signal %d", WSTOPSIG(status));
 495                 } else if (WIFCONTINUED(status)) {
 496                         DBG("continued");
 497                 }
 498
 499                 g_strfreev(args);
 500                 return rv;
 501         }
 502
 503         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 504         DBG("failed to fork(%s)", error_buf);
 505         g_strfreev(args);
 506
 507         return -EIO;
 508 }
 509
 510 static void on_clat_handler()
 511 {
 512         pid_t clat_pid = 0;
 513         int state = 0;
 514
 515         clat_pid = waitpid(-1, &state, WNOHANG);
 516
 517         DBG("clat(%d) state(%d)", clat_pid, WEXITSTATUS(state));
 518 }
 519
 520 int netconfig_execute_clatd(const char *file_path, char *const args[])
 521 {
 522         pid_t pid = 0;
 523         int rv = 0;
 524         errno = 0;
 525         register unsigned int index = 0;
 526         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 527
 528         struct sigaction act;
 529         int state = 0;
 530
 531         act.sa_handler = on_clat_handler;
 532         sigemptyset(&act.sa_mask);
 533         act.sa_flags = 0;
 534
 535         state = sigaction(SIGCHLD, &act, 0);
 536         if (state != 0) {
 537                 DBG("sigaction() : %d");
 538                 return -1;
 539         }
 540
 541         while (args[index] != NULL) {
 542                 DBG("%s", args[index]);
 543                 index++;
 544         }
 545
 546         if (!(pid = fork())) {
 547                 DBG("pid(%d), ppid (%d)", getpid(), getppid());
 548                 DBG("Inside child, exec (%s) command", file_path);
 549
 550                 errno = 0;
 551                 if (execvp(file_path, args) == -1) {
 552                         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 553                         ERR("Fail to execute command (%s)", error_buf);
 554                         return -1;
 555                 }
 556         } else if (pid > 0) {
 557                 ERR("Success to launch clatd");
 558                 return rv;
 559         }
 560
 561         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 562         DBG("failed to fork(%s)", error_buf);
 563         return -EIO;
 564 }
 565
 566 static void no_wait_signal_handler()
 567 {
 568         pid_t child_pid = 0;
 569         int state = 0;
 570
 571         child_pid = waitpid(-1, &state, WNOHANG);
 572
 573         DBG("child_id(%d) state(%d)", child_pid, WEXITSTATUS(state));
 574 }
 575
 576 int netconfig_execute_file_no_wait(const char *file_path, char *const args[])
 577 {
 578         pid_t pid = 0;
 579         int rv = 0;
 580         errno = 0;
 581         register unsigned int index = 0;
 582
 583         struct sigaction act;
 584         int state = 0;
 585
 586         act.sa_handler = no_wait_signal_handler;
 587         sigemptyset(&act.sa_mask);
 588         act.sa_flags = 0;
 589
 590         state = sigaction(SIGCHLD, &act, 0);
 591         if (state != 0) {
 592                 DBG("sigaction() : %d");
 593                 return -1;
 594         }
 595
 596         while (args[index] != NULL) {
 597                 DBG("%s", args[index]);
 598                 index++;
 599         }
 600
 601         if (!(pid = fork())) {
 602                 DBG("pid(%d), ppid (%d)", getpid(), getppid());
 603                 DBG("Inside child, exec (%s) command", file_path);
 604
 605                 errno = 0;
 606                 if (execvp(file_path, args) == -1) {
 607                         ERR("Fail to execute command (%s)", strerror(errno));
 608                         return -1;
 609                 }
 610         } else if (pid > 0) {
 611                 ERR("Successfully launched child process");
 612                 return rv;
 613         }
 614
 615         DBG("failed to fork(%s)", strerror(errno));
 616         return -EIO;
 617 }
 618
 619 int __netconfig_get_interface_index(const char *interface_name)
 620 {
 621         struct ifreq ifr;
 622         int sock = 0;
 623         int result = 0;
 624         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 625
 626         if (interface_name == NULL) {
 627                 DBG("Inteface name is NULL");
 628                 return -1;
 629         }
 630
 631         errno = 0;
 632         sock = socket(PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
 633         if (sock < 0) {
 634                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 635                 DBG("Failed to create socket : %s", error_buf);
 636                 return -1;
 637         }
 638
 639         memset(&ifr, 0, sizeof(ifr));
 640         strncpy(ifr.ifr_name, interface_name, sizeof(ifr.ifr_name) - 1);
 641         result = ioctl(sock, SIOCGIFINDEX, &ifr);
 642         close(sock);
 643
 644         if (result < 0) {
 645                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 646                 DBG("Failed to get ifr index: %s", error_buf);
 647                 return -1;
 648         }
 649
 650         return ifr.ifr_ifindex;
 651 }
 652
 653 int netconfig_add_route_ipv4(gchar *ip_addr, gchar *subnet, gchar *interface, gint address_family)
 654 {
 655         struct ifreq ifr;
 656         struct rtentry rt;
 657         struct sockaddr_in addr_in;
 658         int sock;
 659         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 660
 661         memset(&ifr, 0, sizeof(ifr));
 662
 663         ifr.ifr_ifindex = __netconfig_get_interface_index(interface);
 664
 665         if (ifr.ifr_ifindex < 0)
 666                 return -1;
 667
 668         strncpy(ifr.ifr_name, interface, IFNAMSIZ-1);
 669
 670         memset(&rt, 0, sizeof(rt));
 671
 672         rt.rt_flags = RTF_UP | RTF_HOST;
 673         memset(&addr_in, 0, sizeof(struct sockaddr_in));
 674         addr_in.sin_family = address_family;
 675         addr_in.sin_addr.s_addr = inet_addr(ip_addr);
 676         memcpy(&rt.rt_dst, &addr_in, sizeof(rt.rt_dst));
 677
 678         memset(&addr_in, 0, sizeof(struct sockaddr_in));
 679         addr_in.sin_family = address_family;
 680         addr_in.sin_addr.s_addr = INADDR_ANY;
 681         memcpy(&rt.rt_gateway, &addr_in, sizeof(rt.rt_gateway));
 682
 683         memset(&addr_in, 0, sizeof(struct sockaddr_in));
 684         addr_in.sin_family = AF_INET;
 685         addr_in.sin_addr.s_addr = inet_addr(subnet);
 686         memcpy(&rt.rt_genmask, &addr_in, sizeof(rt.rt_genmask));
 687
 688         rt.rt_dev = ifr.ifr_name;
 689
 690         errno = 0;
 691         sock = socket(PF_INET, SOCK_DGRAM, 0);
 692
 693         if (sock < 0) {
 694                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 695                 DBG("Failed to create socket : %s", error_buf);
 696                 return -1;
 697         }
 698
 699         if (ioctl(sock, SIOCADDRT, &rt) < 0) {
 700                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 701                 DBG("Failed to set route address : %s", error_buf);
 702                 close(sock);
 703                 return -1;
 704         }
 705
 706         close(sock);
 707
 708         return 1;
 709 }
 710
 711 int netconfig_del_route_ipv4(gchar *ip_addr, gchar *subnet, gchar *interface, gint address_family)
 712 {
 713         struct ifreq ifr;
 714         struct rtentry rt;
 715         struct sockaddr_in addr_in;
 716         int sock;
 717         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 718
 719         memset(&ifr, 0, sizeof(ifr));
 720         ifr.ifr_ifindex = __netconfig_get_interface_index(interface);
 721
 722         if (ifr.ifr_ifindex < 0)
 723                 return -1;
 724
 725         strncpy(ifr.ifr_name, interface, IFNAMSIZ-1);
 726
 727         memset(&rt, 0, sizeof(rt));
 728
 729         rt.rt_flags = RTF_UP;
 730         memset(&addr_in, 0, sizeof(struct sockaddr_in));
 731         addr_in.sin_family = address_family;
 732         addr_in.sin_addr.s_addr = inet_addr(ip_addr);
 733         memcpy(&rt.rt_dst, &addr_in, sizeof(rt.rt_dst));
 734
 735         memset(&addr_in, 0, sizeof(struct sockaddr_in));
 736         addr_in.sin_family = address_family;
 737         addr_in.sin_addr.s_addr = inet_addr(subnet);
 738         memcpy(&rt.rt_genmask, &addr_in, sizeof(rt.rt_genmask));
 739         rt.rt_dev = ifr.ifr_name;
 740
 741         errno = 0;
 742         sock = socket(PF_INET, SOCK_DGRAM, 0);
 743
 744         if (sock < 0) {
 745                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 746                 DBG("Failed to create socket : %s", error_buf);
 747                 return -1;
 748         }
 749
 750         if (ioctl(sock, SIOCDELRT, &rt) < 0) {
 751                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 752                 DBG("Failed to set route address : %s", error_buf);
 753                 close(sock);
 754                 return -1;
 755         }
 756
 757         close(sock);
 758
 759         return 1;
 760 }
 761
 762 int netconfig_add_route_ipv6(gchar *ip_addr, gchar *interface, gchar *gateway, unsigned char prefix_len)
 763 {
 764         struct in6_rtmsg rt;
 765         int fd = 0;
 766         int err = 0;
 767         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 768
 769         memset(&rt, 0, sizeof(rt));
 770
 771         rt.rtmsg_dst_len = prefix_len;
 772
 773         rt.rtmsg_flags = RTF_UP | RTF_HOST;
 774
 775         errno = 0;
 776         if (inet_pton(AF_INET6, ip_addr, &rt.rtmsg_dst) < 0) {
 777                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 778                 DBG("inet_pton failed : %s", error_buf);
 779                 return -1;
 780         }
 781
 782         if (gateway != NULL) {
 783                 rt.rtmsg_flags |= RTF_GATEWAY;
 784                 if (inet_pton(AF_INET6, gateway, &rt.rtmsg_gateway) < 0) {
 785                         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 786                         DBG("inet_pton failed : %s", error_buf);
 787                         return -1;
 788                 }
 789         }
 790
 791         rt.rtmsg_metric = 1;
 792
 793         fd = socket(AF_INET6, SOCK_DGRAM, 0);
 794         if (fd < 0) {
 795                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 796                 DBG("Failed to create socket : %s", error_buf);
 797                 return -1;
 798         }
 799
 800         rt.rtmsg_ifindex = 0;
 801
 802         if (interface) {
 803                 struct ifreq ifr;
 804                 memset(&ifr, 0, sizeof(ifr));
 805                 strncpy(ifr.ifr_name, interface, sizeof(ifr.ifr_name)-1);
 806                 ioctl(fd, SIOCGIFINDEX, &ifr);
 807                 rt.rtmsg_ifindex = ifr.ifr_ifindex;
 808         }
 809
 810         if ((err = ioctl(fd, SIOCADDRT, &rt)) < 0) {
 811                 strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 812                 DBG("Failed to add route: %s", error_buf);
 813                 close(fd);
 814                 return -1;
 815         }
 816
 817         close(fd);
 818
 819         return 1;
 820 }
 821
 822 int netconfig_del_route_ipv6(gchar *ip_addr, gchar *interface, gchar *gateway, unsigned char prefix_len)
 823 {
 824         struct in6_rtmsg rt;
 825         int fd = 0;
 826         int err = 0;
 827
 828         memset(&rt, 0, sizeof(rt));
 829
 830         rt.rtmsg_dst_len = prefix_len;
 831
 832         rt.rtmsg_flags = RTF_UP | RTF_HOST;
 833
 834         if (inet_pton(AF_INET6, ip_addr, &rt.rtmsg_dst) < 0) {
 835                 err = -errno;
 836                 return err;
 837         }
 838
 839         if (gateway != NULL) {
 840                 rt.rtmsg_flags |= RTF_GATEWAY;
 841                 if (inet_pton(AF_INET6, gateway, &rt.rtmsg_gateway) < 0) {
 842                         err = -errno;
 843                         return err;
 844                 }
 845         }
 846
 847         rt.rtmsg_metric = 1;
 848
 849         fd = socket(AF_INET6, SOCK_DGRAM, 0);
 850         if (fd < 0)
 851                 return -1;
 852
 853         rt.rtmsg_ifindex = 0;
 854
 855         if (interface) {
 856                 struct ifreq ifr;
 857                 memset(&ifr, 0, sizeof(ifr));
 858                 strncpy(ifr.ifr_name, interface, sizeof(ifr.ifr_name)-1);
 859                 ioctl(fd, SIOCGIFINDEX, &ifr);
 860                 rt.rtmsg_ifindex = ifr.ifr_ifindex;
 861         }
 862
 863         if ((err = ioctl(fd, SIOCDELRT, &rt)) < 0) {
 864                 DBG("Failed to del route: %d\n", err);
 865                 close(fd);
 866                 return -1;
 867         }
 868
 869         close(fd);
 870
 871         return 1;
 872 }
 873
 874 gboolean handle_launch_direct(Wifi *wifi, GDBusMethodInvocation *context)
 875 {
 876         if (!netconfig_check_feature_supported(NETCONFIG_SUPPORTED_FEATURE_WIFI_DIRECT)) {
 877                 wifi_complete_launch_direct(wifi, context);
 878                 return TRUE;
 879         }
 880
 881         int ret = 0;
 882         DBG("Launch Wi-Fi direct daemon");
 883
 884         const char *path = "/usr/bin/wifi-direct-server.sh";
 885         char *const args[] = { "wifi-direct-server.sh", "start", NULL };
 886         char *const envs[] = { NULL };
 887
 888         ret = netconfig_execute_file(path, args, envs);
 889         if (ret < 0) {
 890                 ERR("Failed to launch Wi-Fi direct daemon");
 891                 netconfig_error_wifi_direct_failed(context);
 892                 return TRUE;
 893         }
 894
 895         wifi_complete_launch_direct(wifi, context);
 896         return TRUE;
 897 }
 898
 899 int execute_mdnsd_script(char* op)
 900 {
 901         const char *path = "/usr/bin/mdnsresponder-server.sh";
 902         char *const args[] = { "mdnsresponder-server.sh", op, NULL };
 903         char *const envs[] = { NULL };
 904
 905         return netconfig_execute_file(path, args, envs);
 906 }
 907
 908 static void __dnssd_conn_destroyed_cb(GDBusConnection *conn,
 909                 const gchar *Name, const gchar *path, const gchar *interface,
 910                 const gchar *sig, GVariant *param, gpointer user_data)
 911 {
 912         gchar *name = NULL;
 913         gchar *old = NULL;
 914         gchar *new = NULL;
 915         dnssd_conn_destroy_data *data = user_data;
 916         GDBusConnection *connection = NULL;
 917         connection = netdbus_get_connection();
 918
 919         if (param == NULL)
 920                 return;
 921
 922         g_variant_get(param, "(sss)", &name, &old, &new);
 923
 924         if (g_strcmp0(name, data->conn_name) == 0 && *new == '\0') {
 925                 DBG("Connection %s Destroyed: name %s id %d", data->conn_name, name,
 926                         data->conn_id);
 927                 mdnsd_ref_count--;
 928                 g_dbus_connection_signal_unsubscribe(connection, data->conn_id);
 929                 if (mdnsd_ref_count == 0) {
 930                         if (execute_mdnsd_script("stop") < 0)
 931                                 ERR("Failed to stop mdnsresponder daemon");
 932                 }
 933         }
 934         g_free(name);
 935         g_free(old);
 936         g_free(new);
 937         g_free(data->conn_name);
 938         g_free(data);
 939         return;
 940 }
 941
 942 static void register_dnssd_conn_destroy_signal(gchar *name)
 943 {
 944         dnssd_conn_destroy_data *data;
 945         GDBusConnection *connection = NULL;
 946         connection = netdbus_get_connection();
 947
 948         if (connection == NULL) {
 949                 ERR("Failed to get GDbus Connection");
 950                 return;
 951         }
 952
 953         data = g_try_malloc0(sizeof(dnssd_conn_destroy_data));
 954
 955         if (data == NULL) {
 956                 ERR("Out of Memory!");
 957                 return;
 958         }
 959
 960         data->conn_name = g_strdup(name);
 961
 962         data->conn_id = g_dbus_connection_signal_subscribe(connection,
 963                                                         DBUS_SERVICE_DBUS, DBUS_INTERFACE_DBUS,
 964                                                         "NameOwnerChanged", NULL, name,
 965                                                         G_DBUS_SIGNAL_FLAGS_NONE, __dnssd_conn_destroyed_cb,
 966                                                         data, NULL);
 967         return;
 968 }
 969
 970 gboolean handle_launch_mdns(Network *object, GDBusMethodInvocation *context,
 971                                                         gchar *name)
 972 {
 973         DBG("Launch mdnsresponder daemon");
 974
 975         if (execute_mdnsd_script("start") < 0) {
 976                 ERR("Failed to launch mdnsresponder daemon");
 977                 netconfig_error_invalid_parameter(context);
 978                 return FALSE;
 979         }
 980
 981         mdnsd_ref_count++;
 982         register_dnssd_conn_destroy_signal(name);
 983         DBG("Ref mdnsresponder daemon. ref count: %d", mdnsd_ref_count);
 984
 985         network_complete_launch_mdns(object, context);
 986         return TRUE;
 987 }
 988
 989 gboolean netconfig_send_notification_to_net_popup(const char * noti, const char * ssid)
 990 {
 991         if (!netconfig_plugin_headed_enabled)
 992                 return FALSE;
 993
 994         if (!headed_plugin)
 995                 return FALSE;
 996
 997         return headed_plugin->send_notification_to_net_popup(noti, ssid);
 998 }
 999
1000 int netconfig_send_message_to_net_popup(const char *title,
1001                 const char *content, const char *type, const char *ssid)
1002 {
1003         if (!netconfig_plugin_headed_enabled)
1004                 return 0;
1005
1006         if (!headed_plugin)
1007                 return 0;
1008
1009         return headed_plugin->send_message_to_net_popup(title, content, type, ssid);
1010 }
1011
1012 int netconfig_send_restriction_to_net_popup(const char *title,
1013                 const char *type, const char *restriction)
1014 {
1015         if (!netconfig_plugin_headed_enabled)
1016                 return 0;
1017
1018         if (!headed_plugin)
1019                 return 0;
1020
1021         return headed_plugin->send_restriction_to_net_popup(title, type, restriction);
1022 }
1023
1024 void netconfig_set_system_event(int sys_evt, int evt_key, int evt_val)
1025 {
1026         if (!netconfig_plugin_headed_enabled)
1027                 return;
1028
1029         if (!headed_plugin)
1030                 return;
1031
1032         headed_plugin->set_system_event(sys_evt, evt_key, evt_val);
1033 }
1034
1035 void __netconfig_pop_wifi_connected_poppup(const char *ssid)
1036 {
1037         if (!netconfig_plugin_headed_enabled)
1038                 return;
1039
1040         if (!headed_plugin)
1041                 return;
1042
1043         headed_plugin->pop_wifi_connected_poppup(ssid);
1044 }
1045
1046 void netconfig_get_telephony_network_type(int *svctype, int *pstype)
1047 {
1048         if (!netconfig_plugin_telephony_enabled)
1049                 return;
1050
1051         if (!telephony_plugin)
1052                 return;
1053
1054         telephony_plugin->get_telephony_network_type(svctype, pstype);
1055 }
1056
1057 gboolean __netconfig_wifi_get_sim_imsi(Wifi *wifi, GDBusMethodInvocation *context)
1058 {
1059         if (!netconfig_plugin_telephony_enabled)
1060                 return FALSE;
1061
1062         if (!telephony_plugin)
1063                 return FALSE;
1064
1065         return telephony_plugin->wifi_get_sim_imsi(wifi, context);
1066 }
1067
1068 netconfig_error_e __netconfig_wifi_req_aka_auth(GArray *rand_data, GArray *autn_data,
1069                 GDBusMethodInvocation *context, struct wifi_authentication_data **data)
1070 {
1071         if (!netconfig_plugin_telephony_enabled)
1072                 return NETCONFIG_ERROR_INTERNAL;
1073
1074         if (!telephony_plugin)
1075                 return NETCONFIG_ERROR_INTERNAL;
1076
1077         return telephony_plugin->wifi_req_aka_auth(rand_data, autn_data, context, data);
1078 }
1079
1080 gboolean __netconfig_wifi_req_sim_auth(GArray *rand_data,
1081                 GDBusMethodInvocation *context, struct wifi_authentication_data **data)
1082 {
1083         if (!netconfig_plugin_telephony_enabled)
1084                 return FALSE;
1085
1086         if (!telephony_plugin)
1087                 return FALSE;
1088
1089         return telephony_plugin->wifi_req_sim_auth(rand_data, context, data);
1090 }
1091
1092 gboolean netconfig_tapi_check_sim_state(void)
1093 {
1094         if (!netconfig_plugin_telephony_enabled)
1095                 return FALSE;
1096
1097         if (!telephony_plugin)
1098                 return FALSE;
1099
1100         return telephony_plugin->tapi_check_sim_state();
1101 }
1102
1103 gboolean __netconfig_wifi_get_aka_authdata(Wifi *wifi,
1104                 GDBusMethodInvocation *context, struct wifi_authentication_data **data)
1105 {
1106         if (!netconfig_plugin_telephony_enabled)
1107                 return FALSE;
1108
1109         if (!telephony_plugin)
1110                 return FALSE;
1111
1112         return telephony_plugin->wifi_get_aka_authdata(wifi, context, data);
1113 }
1114
1115 gboolean __netconfig_wifi_get_sim_authdata(Wifi *wifi,
1116                 GDBusMethodInvocation *context, struct wifi_authentication_data **data)
1117 {
1118         if (!netconfig_plugin_telephony_enabled)
1119                 return FALSE;
1120
1121         if (!telephony_plugin)
1122                 return FALSE;
1123
1124         return telephony_plugin->wifi_get_sim_authdata(wifi, context, data);
1125 }
1126
1127 void netconfig_set_vconf_int(const char * key, int value)
1128 {
1129         int ret = 0;
1130
1131         DBG("[%s: %d]", key, value);
1132
1133         ret = vconf_set_int(key, value);
1134         if (ret != VCONF_OK)
1135                 ERR("Failed to set");
1136 }
1137
1138 void netconfig_set_vconf_str(const char * key, const char * value)
1139 {
1140         int ret = 0;
1141
1142         DBG("[%s: %s]", key, value);
1143
1144         ret = vconf_set_str(key, value);
1145         if (ret != VCONF_OK)
1146                 ERR("Failed to set");
1147 }
1148
1149 int netconfig_vconf_get_int(const char * key, int *value)
1150 {
1151         int ret = 0;
1152
1153         ret = vconf_get_int(key, value);
1154         if (ret != VCONF_OK) {
1155                 ERR("Failed to get vconfkey [%s] value", key);
1156                 return -1;
1157         }
1158
1159         return 0;
1160 }
1161
1162 int netconfig_vconf_get_bool(const char * key, int *value)
1163 {
1164         int ret = 0;
1165
1166         ret = vconf_get_bool(key, value);
1167         if (ret != VCONF_OK) {
1168                 ERR("Failed to get vconfkey [%s] value", key);
1169                 return -1;
1170         }
1171
1172         return 0;
1173 }
1174
1175 char* netconfig_get_env(const char *key)
1176 {
1177         FILE *fp;
1178         char buf[256], *entry = NULL, *value = NULL, *last;
1179         int len = 0;
1180
1181         if (!key)
1182                 return NULL;
1183
1184         fp = fopen(NETCONFIG_TIZEN_SYSTEM_ENV, "r");
1185         if (!fp)
1186                 return NULL;
1187
1188         while (fgets(buf, sizeof(buf), fp)) {
1189                 entry = buf;
1190                 entry = strtok_r(entry, "=", &last);
1191                 if (entry) {
1192                         if (strstr(entry, key)) {
1193                                 entry = strtok_r(NULL, "\n", &last);
1194                                 if (entry) {
1195                                         len = strlen(entry);
1196                                         value = (char*)malloc(len+1);
1197                                         g_strlcpy(value, entry, len+1);
1198                                 } else {
1199                                         value = (char*)malloc(sizeof(char));
1200                                         g_strlcpy(value, "\n", sizeof(char));
1201                                 }
1202                                 break;
1203                         }
1204                 }
1205         }
1206
1207         fclose(fp);
1208         return value;
1209 }
1210
1211 void netconfig_set_mac_address_from_file(void)
1212 {
1213         FILE *file = NULL;
1214         char mac_str[MAC_ADDRESS_MAX_LEN];
1215         gchar *mac_lower_str = NULL;
1216         int mac_len = 0;
1217
1218         file = fopen(MAC_INFO_FILEPATH, "r");
1219         if (file == NULL) {
1220                 ERR("Fail to open %s", MAC_INFO_FILEPATH);
1221                 file = fopen(MAC_ADDRESS_FILEPATH, "r");
1222                 if (file == NULL) {
1223                         ERR("Fail to open %s", MAC_ADDRESS_FILEPATH);
1224                         return;
1225                 }
1226         }
1227         if (fgets(mac_str, sizeof(mac_str), file) == NULL) {
1228                 ERR("Fail to read mac address");
1229                 fclose(file);
1230                 return;
1231         }
1232
1233         mac_len = strlen(mac_str);
1234         if (mac_len < 17) {
1235                 ERR("mac.info is empty");
1236                 fclose(file);
1237                 return;
1238         }
1239
1240         mac_lower_str = g_ascii_strup(mac_str, (gssize)mac_len);
1241         netconfig_set_vconf_str(VCONFKEY_WIFI_BSSID_ADDRESS, mac_lower_str);
1242
1243         g_free(mac_lower_str);
1244         fclose(file);
1245 }
1246
1247 tizen_profile_t _get_tizen_profile()
1248 {
1249         static tizen_profile_t profile = TIZEN_PROFILE_UNKNOWN;
1250         if (__builtin_expect(profile != TIZEN_PROFILE_UNKNOWN, 1))
1251                 return profile;
1252
1253         char *profileName;
1254         system_info_get_platform_string("http://tizen.org/feature/profile", &profileName);
1255         switch (*profileName) {
1256         case 'm':
1257         case 'M':
1258                 profile = TIZEN_PROFILE_MOBILE;
1259                 break;
1260         case 'w':
1261         case 'W':
1262                 profile = TIZEN_PROFILE_WEARABLE;
1263                 break;
1264         case 't':
1265         case 'T':
1266                 profile = TIZEN_PROFILE_TV;
1267                 break;
1268         case 'i':
1269         case 'I':
1270                 profile = TIZEN_PROFILE_IVI;
1271                 break;
1272         default: // common or unknown ==> ALL ARE COMMON.
1273                 profile = TIZEN_PROFILE_COMMON;
1274         }
1275         free(profileName);
1276
1277         return profile;
1278 }
1279
1280 void netconfig_plugin_init()
1281 {
1282         handle_headed = dlopen(HEADED_PLUGIN_FILEPATH, RTLD_NOW);
1283         if (!handle_headed) {
1284                 ERR("Can't load %s: %s", HEADED_PLUGIN_FILEPATH, dlerror());
1285         } else {
1286                 headed_plugin = dlsym(handle_headed, "netconfig_headed_plugin");
1287                 if (!headed_plugin) {
1288                         ERR("Can't load symbol: %s", dlerror());
1289                         dlclose(handle_headed);
1290                 } else {
1291                         netconfig_plugin_headed_enabled = TRUE;
1292                 }
1293         }
1294
1295         handle_telephony = dlopen(TELEPHONY_PLUGIN_FILEPATH, RTLD_NOW);
1296         if (!handle_telephony) {
1297                 ERR("Can't load %s: %s", TELEPHONY_PLUGIN_FILEPATH, dlerror());
1298         } else {
1299                 telephony_plugin = dlsym(handle_telephony, "netconfig_telephony_plugin");
1300                 if (!telephony_plugin) {
1301                         ERR("Can't load symbol: %s", dlerror());
1302                         dlclose(handle_telephony);
1303                 } else {
1304                         netconfig_plugin_telephony_enabled = TRUE;
1305                 }
1306         }
1307 }
1308
1309 void netconfig_plugin_deinit()
1310 {
1311         if (netconfig_plugin_headed_enabled) {
1312                 netconfig_plugin_headed_enabled = FALSE;
1313                 dlclose(handle_headed);
1314         }
1315
1316         if (netconfig_plugin_telephony_enabled) {
1317                 netconfig_plugin_telephony_enabled = FALSE;
1318                 dlclose(handle_telephony);
1319         }
1320 }
1321
1322 gboolean netconfig_get_headed_plugin_flag()
1323 {
1324         return netconfig_plugin_headed_enabled;
1325 }
1326
1327 gboolean netconfig_get_telephony_plugin_flag()
1328 {
1329         return netconfig_plugin_telephony_enabled;
1330 }
1331
1332 bool netconfig_check_feature_supported(netconfig_supported_feature_e feature)
1333 {
1334         const char *key = NULL;
1335
1336         if (!is_feature_checked[feature]) {
1337                 switch (feature) {
1338                 case NETCONFIG_SUPPORTED_FEATURE_ETHERNET:
1339                         key = ETHERNET_FEATURE;
1340                         break;
1341                 case NETCONFIG_SUPPORTED_FEATURE_TETHERING:
1342                         key = TETHERING_FEATURE;
1343                         break;
1344                 case NETCONFIG_SUPPORTED_FEATURE_WIFI_DIRECT:
1345                         key = WIFI_DIRECT_FEATURE;
1346                         break;
1347                 default:
1348                         ERR("Uknown feature");
1349                         return false;
1350                 }
1351
1352                 if (system_info_get_platform_bool(key, &feature_supported[feature]) < 0) {
1353                         ERR("Get feature is failed");
1354                         return false;
1355                 }
1356                 is_feature_checked[feature] = true;
1357         }
1358         return feature_supported[feature];
1359 }