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 static const char* _OSP_HOME_PATH = "/opt/osp/\0"; // /opt/apps/com.samsung.osp
  44 static const char* _OSP_COMPAT_SHARED_PATH = "/opt/usr/share/.osp-compat/\0";
  45 static const char* _EXT_OSP_HOME_PATH = "/opt/storage/sdcard/osp/\0";
  46
  47 struct _path_info
  48 {
  49     char src_path[PATH_MAX];
  50     char dest_path[PATH_MAX];
  51 };
  52
  53 struct _dir_info
  54 {
  55         char path[PATH_MAX];
  56         mode_t mode;
  57         char app_privilege; // 0: root privilege
  58 };
  59
  60 /*
  61  * XXX: The returned app_roodir must be freed in caller.
  62  */
  63 static char*
  64 get_app_rootpath_from_path(const char* bin_path)
  65 {
  66         char* app_rootpath = NULL;
  67         char* delimiter = NULL;
  68         size_t length = 0;
  69         /* e.g., The specified bin_path is "/opt/apps/com.samsung.basicapp/bin/basicapp" */
  70
  71         length = strlen(bin_path);
  72         app_rootpath = (char *)malloc(length + 1);
  73         if(app_rootpath == NULL)
  74                 return NULL;
  75
  76         memset(app_rootpath, '\0', length + 1);
  77         strncpy(app_rootpath, bin_path, length);
  78
  79         LOGI("input bin_path: %s", app_rootpath);
  80
  81         delimiter = strrchr(app_rootpath, '/');
  82         *delimiter = '\0';
  83
  84         delimiter  = strrchr(app_rootpath, '/');
  85         *delimiter = '\0';
  86
  87         return app_rootpath;
  88 }
  89
  90 static void
  91 get_package_id_from_app_rootpath(const char* app_rootpath, char* package_id)
  92 {
  93         const char* p = NULL;
  94         if (strncmp(app_rootpath, "/opt/apps/org.tizen.", 19) == 0)
  95         {
  96         p = strrchr(app_rootpath, '.') + 1;
  97         }
  98         else
  99         {
 100         p = strrchr(app_rootpath, '/') + 1;
 101         }
 102         strncpy(package_id, p, _MAX_PACKAGEID_LENGTH);
 103     package_id[_MAX_PACKAGEID_LENGTH] = '\0';
 104     LOGI("package id: %s", package_id);
 105 }
 106
 107 static void
 108 get_package_id_from_package_name(const char* package_name, char* package_id)
 109 {
 110     char* tmpbuf = NULL;
 111
 112     if (strncmp(package_name, "com", 3) == 0)
 113     {   // in case of com.samsung.#osp#[package_id]#[serviceid]
 114         tmpbuf = strstr(package_name, "#osp#");
 115         if (tmpbuf != NULL)
 116         {
 117             strncpy(package_id, tmpbuf + 5, _MAX_PACKAGEID_LENGTH);
 118         }
 119     }
 120     else if (strncmp(package_name, "osp", 3) == 0)
 121     {   // in case of osp.[package_id].#osp#[serviceid]
 122         tmpbuf = strstr(package_name, "osp.");
 123         if (tmpbuf != NULL)
 124         {
 125             strncpy(package_id, tmpbuf + 4, _MAX_PACKAGEID_LENGTH);
 126         }
 127     }
 128         else if (strncmp(package_name, "org.tizen", 9) == 0)
 129         {
 130                 // in case of org.tizen.[package_id]#[serviceid]
 131                 tmpbuf = strstr(package_name, "org.tizen.");
 132                 if (tmpbuf != NULL)
 133                 {
 134                         strncpy(package_id, tmpbuf + 10, _MAX_PACKAGEID_LENGTH);
 135                 }
 136         }
 137     else if (strlen(package_name) == 10)
 138     {
 139                 strncpy(package_id, package_name, _MAX_PACKAGEID_LENGTH);
 140     }
 141     else
 142     {
 143         LOGE("package name is invalid (%s)", package_name);
 144     }
 145
 146     package_id[_MAX_PACKAGEID_LENGTH] = '\0';
 147     LOGI("package_id: %s", package_id);
 148 }
 149
 150 static int
 151 internal_is_mounted(const char* pkgid)
 152 {
 153         char mount_flag[64] = { 0, };
 154         static const char dir[][64] =
 155         {
 156                 { "/tmp/osp-compat" },
 157                 { "/tmp/osp-compat/mount" },
 158                 { "/tmp/osp-compat/mount/internal" }
 159         };
 160
 161         sprintf(mount_flag, "/tmp/osp-compat/mount/internal/%s", pkgid);
 162         int res = access(mount_flag, F_OK);
 163         if (res == 0)
 164         {
 165                 LOGI("Intenal path is already mounted.");
 166                 return 1;
 167         }
 168         else if (res == -1 && errno == ENOENT)
 169         {
 170                 int i = 0;
 171                 for (i = 0; i < sizeof(dir)/64; ++i)
 172                 {
 173                         int res = mkdir(dir[i], 0755);
 174                         if (res == -1 && errno != EEXIST)
 175                         {
 176                                 LOGE("Failed to create directory (%s), errno: %d (%s)", dir[i], errno, strerror(errno));
 177                                 return 1;
 178                         }
 179                 }
 180
 181                 int fd = creat(mount_flag, 0644);
 182                 if (fd == -1)
 183                 {
 184                         LOGE("Failed to create mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 185                         return 1;
 186                 }
 187                 close(fd);
 188         }
 189         else
 190         {
 191                 LOGE("Failed to access mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 192                 return 1;
 193         }
 194
 195         LOGI("Intenal path mount succeeded.");
 196         return 0;
 197 }
 198
 199 static int
 200 external_is_mounted(const char* pkgid)
 201 {
 202         char mount_flag[64] = { 0, };
 203         static const char dir[][64] =
 204         {
 205                 { "/tmp/osp-compat" },
 206                 { "/tmp/osp-compat/mount" },
 207                 { "/tmp/osp-compat/mount/external" }
 208         };
 209
 210         sprintf(mount_flag, "/tmp/osp-compat/mount/external/%s", pkgid);
 211         int res = access(mount_flag, F_OK);
 212         if (res == 0)
 213         {
 214                 LOGI("Extenal path is already mounted.");
 215                 return 1;
 216         }
 217         else if (res == -1 && errno == ENOENT)
 218         {
 219                 int i = 0;
 220                 for (i = 0; i < sizeof(dir)/64; ++i)
 221                 {
 222                         int res = mkdir(dir[i], 0755);
 223                         if (res == -1 && errno != EEXIST)
 224                         {
 225                                 LOGE("Failed to create directory (%s), errno: %d (%s)", dir[i], errno, strerror(errno));
 226                                 return 1;
 227                         }
 228                 }
 229
 230                 int fd = creat(mount_flag, 0644);
 231                 if (fd == -1)
 232                 {
 233                         LOGE("Failed to create mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 234                         return 1;
 235                 }
 236                 close(fd);
 237         }
 238         else
 239         {
 240                 LOGE("Failed to access mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno));
 241                 return 1;
 242         }
 243
 244         LOGI("Extenal path mount succeeded.");
 245         return 0;
 246 }
 247
 248 static int
 249 mount_slp_paths(const char* app_rootpath)
 250 {
 251     int i = 0;
 252     static const struct _path_info mount_info[] = {
 253         //{ "/bin",             "./bin" },
 254         //{ "/boot",            "./boot" },
 255         //{ "/cache",           "./cache" },
 256         { "/csa",               "./csa" },
 257         { "/dev",               "./dev" },
 258         { "/dev/pts",           "./dev/pts" },
 259         { "/dev/shm",           "./dev/shm" },
 260         { "/etc",               "./etc" },
 261         { "/lib",               "./lib" },
 262         //{ "/lost+found",      "./lost+found" },
 263         { "/media",             "./media" },
 264         { "/mnt",               "./mnt" },
 265         { "/opt",               "./opt" },
 266         { "/opt/usr",           "./opt/usr" },
 267         { "/opt/var/kdb/db",    "./opt/var/kdb/db" },
 268         { "/opt/storage/sdcard","./opt/storage/sdcard" },
 269         //{ "/packaging",       "./packaging" },
 270         { "/proc",              "./proc" },
 271         { "/sbin",              "./sbin" },
 272         { "/srv",               "./srv" },
 273         { "/sys",               "./sys" },
 274         { "/sys/kernel/debug",  "./sys/kernel/debug" },
 275         { "/tmp",               "./tmp" },
 276         { "/usr",               "./usr" },
 277         { "/var",               "./var" },
 278         { "/var/run",           "./var/run" }
 279     };
 280
 281     if (chdir(app_rootpath) != 0)
 282     {
 283         LOGE("chdir() failed path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 284         return -1;
 285     }
 286
 287     for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); ++i)
 288     {
 289         if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0)
 290         {
 291             LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)",
 292                     mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno));
 293
 294             int j = 0;
 295             for (j = i; j > 0; --j)
 296             {
 297                 umount2(mount_info[j-1].dest_path, MNT_DETACH);
 298             }
 299             return -1;
 300         }
 301     }
 302
 303     return 0;
 304 }
 305
 306 static int
 307 mount_osp_internal_paths(const char* app_rootpath, const char* pkgid)
 308 {
 309     int i = 0;
 310     char osp_share_pkgid_path[PATH_MAX] = {0, };
 311     char osp_share2_pkgid_path[PATH_MAX] = {0, };
 312     struct _path_info mount_info[] = {
 313         { "\0",                    "./data/Share" },
 314         { "\0",                    "./data/Share2" },
 315         { "/opt/usr/share/.osp-compat/share",  "./Share" },
 316         { "/opt/usr/share/.osp-compat/share2", "./Share2" },
 317       //{ "/opt/osp/clipboard",    "./Clipboard" },
 318       //{ "/opt/osp/partner/npki", "./NPKI" },
 319       //{ "/opt/osp/system",       "./System" },
 320       //{ "/opt/osp/Tmp",          "./Tmp" },
 321         { "/opt/usr/media",        "./Media" }
 322     };
 323
 324     strncpy(osp_share_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH));
 325     strncat(osp_share_pkgid_path, "share/", 6);
 326     strncat(osp_share_pkgid_path, pkgid, strlen(pkgid));
 327
 328     strncpy(osp_share2_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH));
 329     strncat(osp_share2_pkgid_path, "share2/", 7);
 330     strncat(osp_share2_pkgid_path, pkgid, strlen(pkgid));
 331
 332     strncpy(mount_info[0].src_path, osp_share_pkgid_path, strlen(osp_share_pkgid_path));
 333     strncpy(mount_info[1].src_path, osp_share2_pkgid_path, strlen(osp_share2_pkgid_path));
 334
 335     if (chdir(app_rootpath) != 0)
 336     {
 337         LOGE("chdir() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 338         return -1;
 339     }
 340
 341     for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); ++i)
 342     {
 343         if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0)
 344         {
 345             LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)",
 346                     mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno));
 347
 348             int j = 0;
 349             for (j = i; j > 0; --j)
 350             {
 351                 umount2(mount_info[j-1].dest_path, MNT_DETACH);
 352             }
 353             return -1;
 354         }
 355     }
 356
 357     return 0;
 358 }
 359
 360 static int
 361 link_osp_share_path(const char* app_rootpath, const char* pkgid)
 362 {
 363     char osp_app_share_path[PATH_MAX] = {0, };
 364     char osp_share_pkgid_path[PATH_MAX] = {0, };
 365
 366     strncpy(osp_app_share_path, app_rootpath, strlen(app_rootpath));
 367     strncat(osp_app_share_path, "/shared/data", 12);
 368
 369     strncpy(osp_share_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH));
 370     strncat(osp_share_pkgid_path, "share/", 6);
 371     strncat(osp_share_pkgid_path, pkgid, strlen(pkgid));
 372
 373     unlink(osp_share_pkgid_path);
 374
 375     int ret = symlink(osp_app_share_path, osp_share_pkgid_path);
 376     if (ret == -1 && errno != 17) // EEXIST
 377     {
 378         LOGE("symlink() failed, src path: %s, dest path: %s, errno: %d (%s)",
 379                 osp_app_share_path, osp_share_pkgid_path, errno, strerror(errno));
 380         return -1;
 381     }
 382
 383     return 0;
 384 }
 385
 386 static int
 387 create_osp_external_paths(const char* app_rootpath, const char* pkgid)
 388 {
 389     char osp_ext_apps_pkgid_path[PATH_MAX] = {0, };
 390     char osp_ext_apps_pkgid_share_path[PATH_MAX] = {0, };
 391     char osp_ext_apps_pkgid_share2_path[PATH_MAX] = {0, };
 392     char osp_ext_share_pkgid_path[PATH_MAX] = {0, };
 393     char osp_ext_share2_pkgid_path[PATH_MAX] = {0, };
 394         struct _dir_info external_dirs[] = {
 395         { "./HomeExt",           0000, 0},
 396         { "./ShareExt",          0000, 0},
 397         { "./Share2Ext",         0000, 0},
 398         { "/opt/storage/sdcard/osp",            0777,   0 },
 399         { "/opt/storage/sdcard/osp/apps",       0777,   0 },
 400         { "/opt/storage/sdcard/osp/share",      0777,   0 },
 401         { "/opt/storage/sdcard/osp/share2",     0777,   0 },
 402         { "\0", 0777, 0},
 403         { "\0", 0777, 0},
 404         { "\0", 0777, 0},
 405         { "\0", 0777, 0},
 406         { "\0", 0777, 0},
 407         { "/opt/storage/sdcard/Images", 0777,   0 },
 408         { "/opt/storage/sdcard/Sounds", 0777,   0 },
 409         { "/opt/storage/sdcard/Videos", 0777,   0 },
 410       //{ "/opt/storage/sdcard/Themes", 0777,   0 },
 411         { "/opt/storage/sdcard/Others", 0777,   0 }
 412         };
 413     int i = 0;
 414
 415     strncpy(osp_ext_apps_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 416     strncat(osp_ext_apps_pkgid_path, "apps/", 5);
 417     strncat(osp_ext_apps_pkgid_path, pkgid, strlen(pkgid));
 418
 419     strncpy(osp_ext_apps_pkgid_share_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 420     strncat(osp_ext_apps_pkgid_share_path, "/Share", 6);
 421
 422     strncpy(osp_ext_apps_pkgid_share2_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 423     strncat(osp_ext_apps_pkgid_share2_path, "/Share2", 7);
 424
 425     strncpy(osp_ext_share_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 426     strncat(osp_ext_share_pkgid_path, "share/", 6);
 427     strncat(osp_ext_share_pkgid_path, pkgid, strlen(pkgid));
 428
 429     strncpy(osp_ext_share2_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 430     strncat(osp_ext_share2_pkgid_path, "share2/", 7);
 431     strncat(osp_ext_share2_pkgid_path, pkgid, strlen(pkgid));
 432
 433     strncpy(external_dirs[7].path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 434     strncpy(external_dirs[8].path, osp_ext_apps_pkgid_share_path, strlen(osp_ext_apps_pkgid_share_path));
 435     strncpy(external_dirs[9].path, osp_ext_apps_pkgid_share2_path, strlen(osp_ext_apps_pkgid_share2_path));
 436     strncpy(external_dirs[10].path, osp_ext_share_pkgid_path, strlen(osp_ext_share_pkgid_path));
 437     strncpy(external_dirs[11].path, osp_ext_share2_pkgid_path, strlen(osp_ext_share2_pkgid_path));
 438
 439     if (chdir(app_rootpath) != 0)
 440     {
 441         LOGE("chdir() failed (%s), path: %s", strerror(errno), app_rootpath);
 442         return -1;
 443     }
 444
 445     for (i = 0; i < sizeof(external_dirs)/sizeof(struct _dir_info); i++)
 446     {
 447         int ret = mkdir(external_dirs[i].path, external_dirs[i].mode);
 448         if (ret == -1 && errno != 17) // EEXIST
 449         {
 450             LOGE("mkdir() failed, path: %s, errno: %d (%s)", external_dirs[i].path, errno, strerror(errno));
 451             return -1;
 452         }
 453     }
 454
 455     return 0;
 456 }
 457
 458 static int
 459 mount_osp_external_paths(const char* app_rootpath, const char* pkgid)
 460 {
 461     char osp_ext_apps_pkgid_path[PATH_MAX] = {0, };
 462     char osp_ext_share_pkgid_path[PATH_MAX] = {0, };
 463     char osp_ext_share2_pkgid_path[PATH_MAX] = {0, };
 464     struct _path_info mount_info[] = {
 465         { "/opt/storage/sdcard",  "./Storagecard/Media" },
 466         { "/opt/storage/sdcard/osp/share",  "./ShareExt" },
 467         { "/opt/storage/sdcard/osp/share2", "./Share2Ext" },
 468         { "\0",  "./HomeExt" },
 469         { "\0",  "./HomeExt/Share" },
 470         { "\0",  "./HomeExt/Share2" },
 471     };
 472     int i = 0;
 473
 474     strncpy(osp_ext_apps_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH));
 475     strncat(osp_ext_apps_pkgid_path, "apps/", 5);
 476     strncat(osp_ext_apps_pkgid_path, pkgid, strlen(pkgid));
 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(mount_info[3].src_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path));
 487     strncpy(mount_info[4].src_path, osp_ext_share_pkgid_path, strlen(osp_ext_share_pkgid_path));
 488     strncpy(mount_info[5].src_path, osp_ext_share2_pkgid_path, strlen(osp_ext_share2_pkgid_path));
 489
 490     if (chdir(app_rootpath) != 0)
 491     {
 492         LOGE("chdir() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 493         return -1;
 494     }
 495     LOGI("app_rootpath: %s", app_rootpath);
 496
 497     for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); i++)
 498     {
 499         if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0)
 500         {
 501             LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)",
 502                     mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno));
 503
 504             int j = 0;
 505             for (j = i; j > 0; --j)
 506             {
 507                 umount2(mount_info[j-1].dest_path, MNT_DETACH);
 508             }
 509             return -1;
 510         }
 511     }
 512
 513     return 0;
 514 }
 515
 516 int
 517 do_pre_exe(const char* package_name, const char* bin_path, const char* package_id)
 518 {
 519         char* app_rootpath = NULL;
 520         char osp_app_data_path[PATH_MAX] = {0, };
 521         //char internal_installed = 1; // true
 522         int mmc_mounted = 0;
 523     struct statfs fs;
 524
 525         /* e.g., app_rootdir is "/opt/apps/com.samsung.basicapp or /opt/osp/applications/[appId] */
 526         app_rootpath = get_app_rootpath_from_path(bin_path);
 527
 528         LOGI("[data_caging] do_pre_exe() was called, package name: %s, \
 529             binary path: %s, application root(home) path: %s, package id: %s",
 530             package_name, bin_path, app_rootpath, package_id);
 531
 532         umask(0000);
 533
 534         // TODO: Check whether the application is installed in internal or external storage.
 535         // Check installation position using the input path.
 536     //if (internal_installed)
 537     //{
 538
 539     if (!internal_is_mounted(package_id))
 540     {
 541         if (mount_slp_paths(app_rootpath) != 0)
 542             goto ERROR;
 543
 544         if (mount_osp_internal_paths(app_rootpath, package_id) != 0)
 545             goto ERROR;
 546     }
 547
 548     int ret = 0;
 549     ret = vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS, &mmc_mounted);
 550     if (ret < 0)
 551     {
 552         LOGE("vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS) failed.");
 553     }
 554     if (mmc_mounted == 1)
 555     {
 556         LOGI("MMC is mounted.");
 557         if (create_osp_external_paths(app_rootpath, package_id) != 0)
 558         {
 559             goto ERROR;
 560         }
 561
 562         if (!external_is_mounted(package_id))
 563         {
 564             if (mount_osp_external_paths(app_rootpath, package_id) != 0)
 565             {
 566                 goto ERROR;
 567             }
 568         }
 569     }
 570     /*}
 571         else
 572         {
 573             // TODO mount_external_paths(app_rootpath);
 574         }*/
 575         LOGI("mount() succeeded.");
 576
 577         if (chroot(app_rootpath) != 0)
 578         {
 579                 LOGE("chroot() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno));
 580                 goto ERROR;
 581         }
 582     if (chdir("/") != 0)
 583         {
 584                 LOGE("chdir() failed, path: /, errno: %d (%s)", errno, strerror(errno));
 585                 goto ERROR;
 586         }
 587         LOGI("chroot() succeeded.");
 588
 589         // set current working dir to "/opt/apps/{packageId}/data"
 590 #if 0
 591         strncpy(osp_app_data_path, app_rootpath, strlen(app_rootpath));
 592         strncat(osp_app_data_path, "/data", strlen("/data"));
 593 #endif
 594
 595         if (chdir("/data") != 0)
 596         {
 597                 LOGE("chdir() failed, path: /data, errno: %d (%s)", errno, strerror(errno));
 598                 goto ERROR;
 599         }
 600
 601         free(app_rootpath);
 602     umask(0022);
 603
 604         LOGI("[data_caging] do_pre_exec() succeeded.");
 605         return 0;
 606
 607 ERROR:
 608     free(app_rootpath);
 609     umask(0022);
 610
 611         LOGI("[data_caging] do_pre_exec() failed.");
 612     return -1;
 613 }
 614
 615 int
 616 do_pre_exec(const char* package_name, const char* bin_path)
 617 {
 618         char* app_rootpath = NULL;
 619     char app_compat_path[PATH_MAX] = { 0, };
 620     const char app_compat_file[] = "/info/compat.info\0";
 621     int pathlen = 0;
 622     char package_id[_MAX_PACKAGEID_LENGTH + 1] = { 0, };
 623     char osp_app_data_path[PATH_MAX] = { 0, };
 624     int osp_compat = 0;
 625
 626     LOGI("do_pre_exec() is called, package_name: %s, bin_path: %s", package_name, bin_path);
 627
 628         app_rootpath = get_app_rootpath_from_path(bin_path);
 629
 630         strncpy(app_compat_path, app_rootpath, strlen(app_rootpath));
 631         strncat(app_compat_path, app_compat_file, strlen(app_compat_file));
 632     if (access(app_compat_path, F_OK) == 0)
 633     {
 634         osp_compat = 1;
 635     }
 636
 637     // XXX: temp code
 638     //if (package_name == NULL)
 639     {
 640         //LOGI("The package name is empty.");
 641         get_package_id_from_app_rootpath(app_rootpath, package_id);
 642     }
 643 #if 0
 644     else
 645     {
 646         get_package_id_from_package_name(package_name, package_id);
 647     }
 648 #endif
 649     // XXX-end
 650
 651     LOGI("package name: %s, binary path: %s, package id: %s, OSP compatibility: %d",
 652             package_name, bin_path, package_id, osp_compat);
 653
 654         // FIXME: Temporary code with security risk
 655         prctl(PR_SET_KEEPCAPS, 1);
 656
 657     if (osp_compat == 1)
 658     {
 659                 free(app_rootpath);
 660                 //unshare(CLONE_NEWNS);
 661                 return do_pre_exe(package_name, bin_path, package_id);
 662     }
 663
 664     // API version is equal to or greater than Tizen 2.0
 665         // Set current working dir to "/opt/apps/{pkgId}/data"
 666         strncpy(osp_app_data_path, app_rootpath, strlen(app_rootpath));
 667         strncat(osp_app_data_path, "/data", strlen("/data"));
 668
 669         if (chdir(osp_app_data_path) != 0)
 670         {
 671                 LOGE("chdir() failed, path: %s, errno: %d (%s)", osp_app_data_path, errno, strerror(errno));
 672                 goto ERROR;
 673         }
 674
 675         if (link_osp_share_path(app_rootpath, package_id) != 0)
 676         {
 677                 goto ERROR;
 678         }
 679
 680         LOGI("[data_caging] do_pre_exec() succeeded.");
 681         free(app_rootpath);
 682         return 0;
 683
 684 ERROR:
 685         free(app_rootpath);
 686         return -1;
 687 }