osp-env-config.c

   1 //
   2 // Open Service Platform
   3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the License);
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //     http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16 //
  17
  18 #ifndef _GNU_SOURCE
  19 #define _GNU_SOURCE
  20 #endif
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <sched.h>
  26 #include <sys/mount.h>
  27 #include <errno.h>
  28 #include <sys/stat.h>
  29 #include <sys/types.h>
  30 #include <limits.h>
  31 #include <sys/prctl.h>
  32 #include <sys/vfs.h>
  33
  34 #include <dlog.h>
  35 #include <vconf.h>
  36
  37 #undef LOG_TAG
  38 #define LOG_TAG "ENV_CONFIG"
  39
  40 #define _MAX_PACKAGEID_LENGTH 10
  41 #define _MAX_APIVERSION_LENGTH 3
  42
  43 #ifdef _SECURE_LOG
  44 #define _SECURE_LOGI LOGI
  45 #define _SECURE_LOGE LOGE
  46 #else
  47 #define _SECURE_LOGI(...)
  48 #define _SECURE_LOGE(...)
  49 #endif
  50
  51 static const char* _OSP_HOME_PATH = "/opt/osp/\0"; // /opt/apps/com.samsung.osp
  52 static const char* _OSP_COMPAT_SHARED_PATH = "/opt/usr/share/.osp-compat/\0";
  53 static const char* _EXT_OSP_HOME_PATH = "/opt/storage/sdcard/osp/\0";
  54
  55 struct _path_info
  56 {
  57         char src_path[PATH_MAX];
  58         char dest_path[PATH_MAX];
  59 };
  60
  61 struct _dir_info
  62 {
  63         char path[PATH_MAX];
  64         mode_t mode;
  65         char app_privilege; // 0: root privilege
  66 };
  67
  68 /*
  69  * XXX: The returned app_roodir must be freed in caller.
  70  */
  71 static char*
  72 get_app_rootpath_from_path(const char* bin_path)
  73 {
  74         char* app_rootpath = NULL;
  75         char* delimiter = NULL;
  76         size_t length = 0;
  77         /* e.g., The specified bin_path is "/opt/apps/com.samsung.basicapp/bin/basicapp" */
  78
  79         length = strlen(bin_path);
  80         app_rootpath = (char *)malloc(length + 1);
  81         if(app_rootpath == NULL)
  82                 return NULL;
  83
  84         memset(app_rootpath, '\0', length + 1);
  85         strncpy(app_rootpath, bin_path, length);
  86
  87         _SECURE_LOGI("input bin_path: %s", app_rootpath);
  88
  89         delimiter = strrchr(app_rootpath, '/');
  90         *delimiter = '\0';
  91
  92         delimiter  = strrchr(app_rootpath, '/');
  93         *delimiter = '\0';
  94
  95         return app_rootpath;
  96 }
  97
  98 static void
  99 get_package_id_from_app_rootpath(const char* app_rootpath, char* package_id)
 100 {
 101         const char* p = NULL;
 102         if (strncmp(app_rootpath, "/opt/apps/org.tizen.", 19) == 0)
 103         {
 104                 p = strrchr(app_rootpath, '.') + 1;
 105         }
 106         else
 107         {
 108                 p = strrchr(app_rootpath, '/') + 1;
 109         }
 110         strncpy(package_id, p, _MAX_PACKAGEID_LENGTH);
 111         package_id[_MAX_PACKAGEID_LENGTH] = '\0';
 112         _SECURE_LOGI("package id: %s", package_id);
 113 }
 114
 115 static void
 116 get_package_id_from_package_name(const char* package_name, char* package_id)
 117 {
 118         char* tmpbuf = NULL;
 119
 120         if (strncmp(package_name, "com", 3) == 0)
 121         {   // in case of com.samsung.#osp#[package_id]#[serviceid]
 122                 tmpbuf = strstr(package_name, "#osp#");
 123                 if (tmpbuf != NULL)
 124                 {
 125                         strncpy(package_id, tmpbuf + 5, _MAX_PACKAGEID_LENGTH);
 126                 }
 127         }
 128         else if (strncmp(package_name, "osp", 3) == 0)
 129         {   // in case of osp.[package_id].#osp#[serviceid]
 130                 tmpbuf = strstr(package_name, "osp.");
 131                 if (tmpbuf != NULL)
 132                 {
 133                         strncpy(package_id, tmpbuf + 4, _MAX_PACKAGEID_LENGTH);
 134                 }
 135         }
 136         else if (strncmp(package_name, "org.tizen", 9) == 0)
 137         {
 138                 // in case of org.tizen.[package_id]#[serviceid]
 139                 tmpbuf = strstr(package_name, "org.tizen.");
 140                 if (tmpbuf != NULL)
 141                 {
 142                         strncpy(package_id, tmpbuf + 10, _MAX_PACKAGEID_LENGTH);
 143                 }
 144         }
 145         else if (strlen(package_name) == 10)
 146         {
 147                 strncpy(package_id, package_name, _MAX_PACKAGEID_LENGTH);
 148         }
 149         else
 150         {
 151                 LOGE("package name is invalid (%s)", package_name);
 152         }
 153
 154         package_id[_MAX_PACKAGEID_LENGTH] = '\0';
 155         _SECURE_LOGI("package_id: %s", package_id);
 156 }
 157
 158 static int
 159 internal_is_mounted(const char* pkgid)
 160 {
 161         char mount_flag[64] = { 0, };
 162         static const char dir[][64] =
 163         {
 164                 { "/tmp/osp-compat" },
 165                 { "/tmp/osp-compat/mount" },
 166                 { "/tmp/osp-compat/mount/internal" }
 167         };
 168
 169         sprintf(mount_flag, "/tmp/osp-compat/mount/internal/%s", pkgid);
 170         int res = access(mount_flag, F_OK);
 171         if (res == 0)
 172         {
 173                 LOGI("Intenal path is already mounted.");
 174                 return 1;
 175         }
 176         else if (res == -1 && errno == ENOENT)
 177         {
 178                 int i = 0;
 179                 for (i = 0; i < sizeof(dir)/64; ++i)
 180                 {
 181                         int res = mkdir(dir[i], 0755);
 182                         if (res == -1 && errno != EEXIST)
 183                         {
 184                                 LOGE("Failed to create directory (%s), errno: %d (%s)", dir[i], errno, strerror(errno));
 185                                 return 1;
 186                         }
 187                 }
 188
 189                 int fd = creat(mount_flag, 0644);
 190                 if (fd == -1)
 191                 {
 192                         LOGE("Failed to create mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 193                         return 1;
 194                 }
 195                 close(fd);
 196         }
 197         else
 198         {
 199                 LOGE("Failed to access mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 200                 return 1;
 201         }
 202
 203         LOGI("Intenal path mount succeeded.");
 204         return 0;
 205 }
 206
 207 static int
 208 external_is_mounted(const char* pkgid)
 209 {
 210         char mount_flag[64] = { 0, };
 211         static const char dir[][64] =
 212         {
 213                 { "/tmp/osp-compat" },
 214                 { "/tmp/osp-compat/mount" },
 215                 { "/tmp/osp-compat/mount/external" }
 216         };
 217
 218         sprintf(mount_flag, "/tmp/osp-compat/mount/external/%s", pkgid);
 219         int res = access(mount_flag, F_OK);
 220         if (res == 0)
 221         {
 222                 LOGI("Extenal path is already mounted.");
 223                 return 1;
 224         }
 225         else if (res == -1 && errno == ENOENT)
 226         {
 227                 int i = 0;
 228                 for (i = 0; i < sizeof(dir)/64; ++i)
 229                 {
 230                         int res = mkdir(dir[i], 0755);
 231                         if (res == -1 && errno != EEXIST)
 232                         {
 233                                 LOGE("Failed to create directory (%s), errno: %d (%s)", dir[i], errno, strerror(errno));
 234                                 return 1;
 235                         }
 236                 }
 237
 238                 int fd = creat(mount_flag, 0644);
 239                 if (fd == -1)
 240                 {
 241                         LOGE("Failed to create mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 242                         return 1;
 243                 }
 244                 close(fd);
 245         }
 246         else
 247         {
 248                 LOGE("Failed to access mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 249                 return 1;
 250         }
 251
 252         LOGI("Extenal path mount succeeded.");
 253         return 0;
 254 }
 255
 256 static int
 257 mount_native_paths(const char* app_rootpath)
 258 {
 259         int i = 0;
 260         static const struct _path_info mount_info[] =
 261         {
 262                 //{ "/bin",                             "./bin" },
 263                 { "/csa",                               "./csa" },
 264                 { "/dev",                               "./dev" },
 265                 { "/dev/pts",                   "./dev/pts" },
 266                 { "/dev/shm",                   "./dev/shm" },
 267                 { "/etc",                               "./etc" },
 268                 { "/lib",                               "./lib" },
 269                 { "/mnt",                               "./mnt" },
 270                 { "/proc",                              "./proc" },
 271                 { "/sbin",                              "./sbin" },
 272                 { "/smack",                             "./smack" },
 273                 { "/srv",                               "./srv" },
 274                 { "/sys",                               "./sys" },
 275                 { "/sys/kernel/debug",  "./sys/kernel/debug" },
 276                 { "/tmp",                               "./tmp" },
 277                 { "/usr",                               "./usr" },
 278                 { "/var",                               "./var" },
 279                 { "/var/run",                   "./var/run" },
 280                 { "/opt",                               "./opt" },
 281                 { "/opt/usr",                   "./opt/usr" },
 282                 { "/opt/var/kdb/db",    "./opt/var/kdb/db" },
 283                 //{ "/opt/storage/sdcard","./opt/storage/sdcard" }
 284         };
 285
 286         if (chdir(app_rootpath) != 0)
 287         {
 288                 LOGE("chdir() failed path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 289                 return -1;
 290         }
 291
 292         for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); ++i)
 293         {
 294                 if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0)
 295                 {
 296                         LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)",
 297                                         mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno));
 298
 299                         int j = 0;
 300                         for (j = i; j > 0; --j)
 301                         {
 302                                 umount2(mount_info[j-1].dest_path, MNT_DETACH);
 303                         }
 304                         return -1;
 305                 }
 306         }
 307
 308         return 0;
 309 }
 310
 311 static int
 312 mount_osp_internal_paths(const char* app_rootpath, const char* pkgid)
 313 {
 314         int i = 0;
 315         char osp_share_pkgid_path[PATH_MAX] = {0, };
 316         char osp_share2_pkgid_path[PATH_MAX] = {0, };
 317         struct _path_info mount_info[] =
 318         {
 319                 { "\0", "./data/Share" },
 320                 { "\0", "./data/Share2" },
 321                 { "/opt/usr/share/.osp-compat/share",   "./Share" },
 322                 { "/opt/usr/share/.osp-compat/share2",  "./Share2" },
 323                 { "/opt/usr/media",                     "./Media" }
 324         };
 325
 326         strncpy(osp_share_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH));
 327         strncat(osp_share_pkgid_path, "share/", 6);
 328         strncat(osp_share_pkgid_path, pkgid, strlen(pkgid));
 329
 330         strncpy(osp_share2_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH));
 331         strncat(osp_share2_pkgid_path, "share2/", 7);
 332         strncat(osp_share2_pkgid_path, pkgid, strlen(pkgid));
 333
 334         strncpy(mount_info[0].src_path, osp_share_pkgid_path, strlen(osp_share_pkgid_path));
 335         strncpy(mount_info[1].src_path, osp_share2_pkgid_path, strlen(osp_share2_pkgid_path));
 336
 337         if (chdir(app_rootpath) != 0)
 338         {
 339                 LOGE("chdir() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 340                 return -1;
 341         }
 342
 343         for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); ++i)
 344         {
 345                 if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0)
 346                 {
 347                         LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)",
 348                                         mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno));
 349
 350                         int j = 0;
 351                         for (j = i; j > 0; --j)
 352                         {
 353                                 umount2(mount_info[j-1].dest_path, MNT_DETACH);
 354                         }
 355                         return -1;
 356                 }
 357         }
 358
 359         return 0;
 360 }
 361
 362 static int
 363 mount_linux_paths(const char* app_rootpath)
 364 {
 365         int i = 0;
 366         static const struct _path_info mount_info[] =
 367         {
 368                 { "/bin",                               "./bin" },
 369                 { "/cache",                             "./cache" },
 370                 { "/csa",                               "./csa" },
 371                 { "/data",                              "./data" },
 372                 { "/dev",                               "./dev" },
 373                 { "/dev/pts",                   "./dev/pts" },
 374                 { "/dev/shm",                   "./dev/shm" },
 375                 { "/etc",                               "./etc" },
 376                 { "/lib",                               "./lib" },
 377                 { "/lib/modules",               "./lib/modules" },
 378                 { "/media",                             "./media" },
 379                 { "/mnt",                               "./mnt" },
 380                 { "/proc",                              "./proc" },
 381                 { "/run",                               "./run" },
 382                 { "/sbin",                              "./sbin" },
 383                 { "/smack",                             "./smack" },
 384                 { "/srv",                               "./srv" },
 385                 { "/sys",                               "./sys" },
 386                 { "/sys/fs/cgroup",             "./sys/fs/cgroup" },
 387                 { "/sys/fs/cgroup/systemd",     "./sys/fs/cgroup/systemd" },
 388                 { "/system",                    "./system" },
 389                 { "/tmp",                               "./tmp" },
 390                 { "/usr",                               "./usr" },
 391                 { "/var",                               "./var" },
 392                 { "/var/run",                   "./var/run" },
 393                 { "/opt",                               "./opt" },
 394                 { "/opt/usr",                   "./opt/usr" },
 395                 //{ "/opt/var/run",             "./opt/var/run" },
 396                 { "/opt/storage/sdcard","./opt/storage/sdcard" },
 397         };
 398
 399         if (chdir(app_rootpath) != 0)
 400         {
 401                 LOGE("chdir() failed path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 402                 return -1;
 403         }
 404
 405         for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); ++i)
 406         {
 407                 if (i == 27) // /opt/storage/sdcard
 408                 {
 409                         int mmc_mounted = 0;
 410                         int ret = vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS, &mmc_mounted);
 411                         if (ret < 0)
 412                         {
 413                                 LOGE("vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS) failed.");
 414                         }
 415                         if (mmc_mounted == 0)
 416                         {
 417                                 continue;
 418                         }
 419                 }
 420
 421                 LOGI("src path: %s, dest path: %s", mount_info[i].src_path, mount_info[i].dest_path);
 422                 if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0)
 423                 {
 424                         LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)",
 425                                         mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno));
 426
 427                         int j = 0;
 428                         for (j = i; j > 0; --j)
 429                         {
 430                                 umount2(mount_info[j-1].dest_path, MNT_DETACH);
 431                         }
 432                         return -1;
 433                 }
 434         }
 435
 436         return 0;
 437 }
 438
 439 static int
 440 create_osp_external_paths(const char* app_rootpath, const char* pkgid)
 441 {
 442         char osp_ext_apps_pkgid_path[PATH_MAX] = {0, };
 443         char osp_ext_apps_pkgid_share_path[PATH_MAX] = {0, };
 444         char osp_ext_apps_pkgid_share2_path[PATH_MAX] = {0, };
 445         char osp_ext_share_pkgid_path[PATH_MAX] = {0, };
 446         char osp_ext_share2_pkgid_path[PATH_MAX] = {0, };
 447         struct _dir_info external_dirs[] =
 448         {
 449                 { "./HomeExt",          0000,   0 },
 450                 { "./ShareExt",         0000,   0 },
 451                 { "./Share2Ext",        0000,   0 },
 452                 { "/opt/storage/sdcard/osp",            0777,   0 },
 453                 { "/opt/storage/sdcard/osp/apps",       0777,   0 },
 454                 { "/opt/storage/sdcard/osp/share",      0777,   0 },
 455                 { "/opt/storage/sdcard/osp/share2",     0777,   0 },
 456                 { "\0", 0777,   0},
 457                 { "\0", 0777,   0},
 458                 { "\0", 0777,   0},
 459                 { "\0", 0777,   0},
 460                 { "\0", 0777,   0},
 461                 { "/opt/storage/sdcard/Images", 0777,   0 },
 462                 { "/opt/storage/sdcard/Sounds", 0777,   0 },
 463                 { "/opt/storage/sdcard/Videos", 0777,   0 },
 464                 { "/opt/storage/sdcard/Others", 0777,   0 }
 465         };
 466         int i = 0;
 467
 468         strncpy(osp_ext_apps_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 469         strncat(osp_ext_apps_pkgid_path, "apps/", 5);
 470         strncat(osp_ext_apps_pkgid_path, pkgid, strlen(pkgid));
 471
 472         strncpy(osp_ext_apps_pkgid_share_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 473         strncat(osp_ext_apps_pkgid_share_path, "/Share", 6);
 474
 475         strncpy(osp_ext_apps_pkgid_share2_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 476         strncat(osp_ext_apps_pkgid_share2_path, "/Share2", 7);
 477
 478         strncpy(osp_ext_share_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 479         strncat(osp_ext_share_pkgid_path, "share/", 6);
 480         strncat(osp_ext_share_pkgid_path, pkgid, strlen(pkgid));
 481
 482         strncpy(osp_ext_share2_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 483         strncat(osp_ext_share2_pkgid_path, "share2/", 7);
 484         strncat(osp_ext_share2_pkgid_path, pkgid, strlen(pkgid));
 485
 486         strncpy(external_dirs[7].path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 487         strncpy(external_dirs[8].path, osp_ext_apps_pkgid_share_path, strlen(osp_ext_apps_pkgid_share_path));
 488         strncpy(external_dirs[9].path, osp_ext_apps_pkgid_share2_path, strlen(osp_ext_apps_pkgid_share2_path));
 489         strncpy(external_dirs[10].path, osp_ext_share_pkgid_path, strlen(osp_ext_share_pkgid_path));
 490         strncpy(external_dirs[11].path, osp_ext_share2_pkgid_path, strlen(osp_ext_share2_pkgid_path));
 491
 492         if (chdir(app_rootpath) != 0)
 493         {
 494                 LOGE("chdir() failed (%s), path: %s", strerror(errno), app_rootpath);
 495                 return -1;
 496         }
 497
 498         for (i = 0; i < sizeof(external_dirs)/sizeof(struct _dir_info); i++)
 499         {
 500                 int ret = mkdir(external_dirs[i].path, external_dirs[i].mode);
 501                 if (ret == -1 && errno != 17) // EEXIST
 502                 {
 503                         LOGE("mkdir() failed, path: %s, errno: %d (%s)", external_dirs[i].path, errno, strerror(errno));
 504                         return -1;
 505                 }
 506         }
 507
 508         return 0;
 509 }
 510
 511 static int
 512 mount_osp_external_paths(const char* app_rootpath, const char* pkgid)
 513 {
 514         char osp_ext_apps_pkgid_path[PATH_MAX] = {0, };
 515         char osp_ext_share_pkgid_path[PATH_MAX] = {0, };
 516         char osp_ext_share2_pkgid_path[PATH_MAX] = {0, };
 517         struct _path_info mount_info[] =
 518         {
 519                 { "/opt/storage/sdcard",                        "./Storagecard/Media"   },
 520                 { "/opt/storage/sdcard/osp/share",      "./ShareExt"                    },
 521                 { "/opt/storage/sdcard/osp/share2",     "./Share2Ext"                   },
 522                 { "\0", "./HomeExt"                     },
 523                 { "\0", "./HomeExt/Share"       },
 524                 { "\0", "./HomeExt/Share2"      }
 525         };
 526         int i = 0;
 527
 528         strncpy(osp_ext_apps_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 529         strncat(osp_ext_apps_pkgid_path, "apps/", 5);
 530         strncat(osp_ext_apps_pkgid_path, pkgid, strlen(pkgid));
 531
 532         strncpy(osp_ext_share_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 533         strncat(osp_ext_share_pkgid_path, "share/", 6);
 534         strncat(osp_ext_share_pkgid_path, pkgid, strlen(pkgid));
 535
 536         strncpy(osp_ext_share2_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 537         strncat(osp_ext_share2_pkgid_path, "share2/", 7);
 538         strncat(osp_ext_share2_pkgid_path, pkgid, strlen(pkgid));
 539
 540         strncpy(mount_info[3].src_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 541         strncpy(mount_info[4].src_path, osp_ext_share_pkgid_path, strlen(osp_ext_share_pkgid_path));
 542         strncpy(mount_info[5].src_path, osp_ext_share2_pkgid_path, strlen(osp_ext_share2_pkgid_path));
 543
 544         if (chdir(app_rootpath) != 0)
 545         {
 546                 LOGE("chdir() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 547                 return -1;
 548         }
 549         LOGI("app_rootpath: %s", app_rootpath);
 550
 551         for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); i++)
 552         {
 553                 if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0)
 554                 {
 555                         LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)",
 556                                         mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno));
 557
 558                         int j = 0;
 559                         for (j = i; j > 0; --j)
 560                         {
 561                                 umount2(mount_info[j-1].dest_path, MNT_DETACH);
 562                         }
 563                         return -1;
 564                 }
 565         }
 566
 567         return 0;
 568 }
 569
 570 int
 571 do_pre_exe(const char* package_name, const char* bin_path, const char* package_id)
 572 {
 573         char* app_rootpath = NULL;
 574         char osp_app_data_path[PATH_MAX] = {0, };
 575         int mmc_mounted = 0;
 576         struct statfs fs;
 577
 578         /* e.g., app_rootdir is "/opt/usr/apps/[pkgId] */
 579         app_rootpath = get_app_rootpath_from_path(bin_path);
 580
 581         _SECURE_LOGI("[data_caging] do_pre_exe() was called, package name: %s, package id: %s, binary: %s, app root: %s",
 582                         package_name, package_id, bin_path, app_rootpath);
 583
 584         umask(0000);
 585
 586         if (!internal_is_mounted(package_id))
 587         {
 588                 if (mount_native_paths(app_rootpath) != 0)
 589                 {
 590                         goto ERROR;
 591                 }
 592                 if (mount_osp_internal_paths(app_rootpath, package_id) != 0)
 593                 {
 594                         goto ERROR;
 595                 }
 596         }
 597
 598         int ret = vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS, &mmc_mounted);
 599         if (ret < 0)
 600         {
 601                 LOGE("vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS) failed.");
 602         }
 603         if (mmc_mounted == 1)
 604         {
 605                 LOGI("MMC is mounted.");
 606                 if (create_osp_external_paths(app_rootpath, package_id) != 0)
 607                 {
 608                         goto ERROR;
 609                 }
 610
 611                 if (!external_is_mounted(package_id))
 612                 {
 613                         if (mount_osp_external_paths(app_rootpath, package_id) != 0)
 614                         {
 615                                 goto ERROR;
 616                         }
 617                 }
 618         }
 619         LOGI("mount() succeeded.");
 620
 621         if (chroot(app_rootpath) != 0)
 622         {
 623                 LOGE("chroot() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 624                 goto ERROR;
 625         }
 626         if (chdir("/") != 0)
 627         {
 628                 LOGE("chdir() failed, path: /, errno: %d (%s)", errno, strerror(errno));
 629                 goto ERROR;
 630         }
 631         LOGI("chroot() succeeded.");
 632
 633         // set current working dir to "/opt/apps/{packageId}/data"
 634 #if 0
 635         strncpy(osp_app_data_path, app_rootpath, strlen(app_rootpath));
 636         strncat(osp_app_data_path, "/data", strlen("/data"));
 637 #endif
 638
 639         if (chdir("/data") != 0)
 640         {
 641                 LOGE("chdir() failed, path: /data, errno: %d (%s)", errno, strerror(errno));
 642                 goto ERROR;
 643         }
 644
 645         free(app_rootpath);
 646         umask(0022);
 647
 648         LOGI("[data_caging] do_pre_exec() succeeded.");
 649         return 0;
 650
 651 ERROR:
 652         free(app_rootpath);
 653         umask(0022);
 654
 655         LOGI("[data_caging] do_pre_exec() failed.");
 656         return -1;
 657 }
 658
 659 static int
 660 do_virtual_root(const char* virtual_root_path, const char* package_id)
 661 {
 662         _SECURE_LOGI("[virtual_root] do_virtual_root() was called, virtual root path: %s, package id: %s",
 663                         virtual_root_path, package_id);
 664
 665         umask(0000);
 666
 667         if (!internal_is_mounted(package_id))
 668         {
 669                 if (mount_linux_paths(virtual_root_path) != 0)
 670                 {
 671                         goto ERROR;
 672                 }
 673         }
 674         LOGI("mount() succeeded.");
 675
 676         if (chroot(virtual_root_path) != 0)
 677         {
 678                 LOGE("chroot() failed. path: %s, errno: %d (%s)", virtual_root_path, errno, strerror(errno));
 679                 goto ERROR;
 680         }
 681         if (chdir("/") != 0)
 682         {
 683                 LOGE("chdir() failed. path: /data, errno: %d (%s)", errno, strerror(errno));
 684                 goto ERROR;
 685         }
 686         LOGI("chroot() succeeded.");
 687
 688         umask(0022);
 689
 690         LOGI("[virtual_root] do_virtual_root() succeeded.");
 691         return 0;
 692
 693 ERROR:
 694         umask(0022);
 695
 696         LOGI("[virtual_root] do_virtual_root() failed.");
 697         return -1;
 698 }
 699
 700 int
 701 do_pre_exec(const char* package_name, const char* bin_path)
 702 {
 703         char* app_rootpath = NULL;
 704         char app_compat_path[PATH_MAX] = { 0, };
 705         const char app_compat_file[] = "/info/compat.info\0";
 706         int pathlen = 0;
 707         char package_id[_MAX_PACKAGEID_LENGTH + 1] = { 0, };
 708         char osp_app_data_path[PATH_MAX] = { 0, };
 709         int osp_compat = 0;
 710
 711         _SECURE_LOGI("do_pre_exec() is called, package name: %s, binary path: %s", package_name, bin_path);
 712
 713         app_rootpath = get_app_rootpath_from_path(bin_path);
 714
 715         strncpy(app_compat_path, app_rootpath, strlen(app_rootpath));
 716         strncat(app_compat_path, app_compat_file, strlen(app_compat_file));
 717         if (access(app_compat_path, F_OK) == 0)
 718         {
 719                 osp_compat = 1;
 720         }
 721
 722         // XXX: temp code
 723         //if (package_name == NULL)
 724         {
 725                 //LOGI("The package name is empty.");
 726                 get_package_id_from_app_rootpath(app_rootpath, package_id);
 727         }
 728 #if 0
 729         else
 730         {
 731                 get_package_id_from_package_name(package_name, package_id);
 732         }
 733 #endif
 734         // XXX-end
 735
 736         _SECURE_LOGI("package: %s (%s), binary: %s, OSP compat: %d", package_name, package_id, bin_path, osp_compat);
 737
 738         // FIXME: Temporary code with security risk
 739         prctl(PR_SET_KEEPCAPS, 1);
 740
 741         if (osp_compat == 1)
 742         {
 743                 free(app_rootpath);
 744                 //unshare(CLONE_NEWNS);
 745                 return do_pre_exe(package_name, bin_path, package_id);
 746         }
 747
 748         char virtual_root_file[PATH_MAX] = { 0, };
 749         const char virtual_root_info[] = "/info/virtualroot.info";
 750         strncpy(virtual_root_file, app_rootpath, strlen(app_rootpath));
 751         strncat(virtual_root_file, virtual_root_info, strlen(virtual_root_info));
 752         if (access(virtual_root_file, F_OK) == 0)
 753         {
 754                 LOGI("This is virtual root application.");
 755                 char virtual_root_path[PATH_MAX] = { 0, };
 756                 sprintf(virtual_root_path, "%s/virtual-root", app_rootpath);
 757                 int res = do_virtual_root(virtual_root_path, package_id);
 758                 free(app_rootpath);
 759                 return res;
 760         }
 761
 762         // API version is equal to or greater than Tizen 2.0
 763         // Set current working dir to "/opt/apps/{pkgId}/data"
 764         strncpy(osp_app_data_path, app_rootpath, strlen(app_rootpath));
 765         strncat(osp_app_data_path, "/data", strlen("/data"));
 766
 767         if (chdir(osp_app_data_path) != 0)
 768         {
 769                 LOGE("chdir() failed, path: %s, errno: %d (%s)", osp_app_data_path, errno, strerror(errno));
 770                 goto ERROR;
 771         }
 772
 773         LOGI("[data_caging] do_pre_exec() succeeded.");
 774         free(app_rootpath);
 775         return 0;
 776
 777 ERROR:
 778         free(app_rootpath);
 779         return -1;
 780 }