diff options
Diffstat (limited to 'osp-env-config.c')
-rw-r--r-- | osp-env-config.c | 691 |
1 files changed, 691 insertions, 0 deletions
diff --git a/osp-env-config.c b/osp-env-config.c new file mode 100644 index 0000000..fbfa70e --- /dev/null +++ b/osp-env-config.c @@ -0,0 +1,691 @@ +// +// Open Service Platform +// Copyright (c) 2012 Samsung Electronics Co., Ltd. +// +// Licensed under the Apache License, Version 2.0 (the License); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <unistd.h> +#include <sched.h> +#include <sys/mount.h> +#include <errno.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <limits.h> +#include <sys/prctl.h> +#include <sys/vfs.h> + +#include <dlog.h> +#include <vconf.h> + +#undef LOG_TAG +#define LOG_TAG "ENV_CONFIG" + +#define _MAX_PACKAGEID_LENGTH 10 +#define _MAX_APIVERSION_LENGTH 3 + +static const char* _OSP_HOME_PATH = "/opt/osp/\0"; // /opt/apps/com.samsung.osp +static const char* _OSP_COMPAT_SHARED_PATH = "/opt/usr/share/.osp-compat/\0"; +static const char* _EXT_OSP_HOME_PATH = "/opt/storage/sdcard/osp/\0"; + +struct _path_info +{ + char src_path[PATH_MAX]; + char dest_path[PATH_MAX]; +}; + +struct _dir_info +{ + char path[PATH_MAX]; + mode_t mode; + char app_privilege; // 0: root privilege +}; + +/* + * XXX: The returned app_roodir must be freed in caller. + */ +static char* +get_app_rootpath_from_path(const char* bin_path) +{ + char* app_rootpath = NULL; + char* delimiter = NULL; + size_t length = 0; + /* e.g., The specified bin_path is "/opt/apps/com.samsung.basicapp/bin/basicapp" */ + + length = strlen(bin_path); + app_rootpath = (char *)malloc(length + 1); + if(app_rootpath == NULL) + return NULL; + + memset(app_rootpath, '\0', length + 1); + strncpy(app_rootpath, bin_path, length); + + LOGI("input bin_path: %s", app_rootpath); + + delimiter = strrchr(app_rootpath, '/'); + *delimiter = '\0'; + + delimiter = strrchr(app_rootpath, '/'); + *delimiter = '\0'; + + return app_rootpath; +} + +static void +get_package_id_from_app_rootpath(const char* app_rootpath, char* package_id) +{ + const char* p = NULL; + if (strncmp(app_rootpath, "/opt/apps/org.tizen.", 19) == 0) + { + p = strrchr(app_rootpath, '.') + 1; + } + else + { + p = strrchr(app_rootpath, '/') + 1; + } + strncpy(package_id, p, _MAX_PACKAGEID_LENGTH); + package_id[_MAX_PACKAGEID_LENGTH] = '\0'; + LOGI("package id: %s", package_id); +} + +static void +get_package_id_from_package_name(const char* package_name, char* package_id) +{ + char* tmpbuf = NULL; + + if (strncmp(package_name, "com", 3) == 0) + { // in case of com.samsung.#osp#[package_id]#[serviceid] + tmpbuf = strstr(package_name, "#osp#"); + if (tmpbuf != NULL) + { + strncpy(package_id, tmpbuf + 5, _MAX_PACKAGEID_LENGTH); + } + } + else if (strncmp(package_name, "osp", 3) == 0) + { // in case of osp.[package_id].#osp#[serviceid] + tmpbuf = strstr(package_name, "osp."); + if (tmpbuf != NULL) + { + strncpy(package_id, tmpbuf + 4, _MAX_PACKAGEID_LENGTH); + } + } + else if (strncmp(package_name, "org.tizen", 9) == 0) + { + // in case of org.tizen.[package_id]#[serviceid] + tmpbuf = strstr(package_name, "org.tizen."); + if (tmpbuf != NULL) + { + strncpy(package_id, tmpbuf + 10, _MAX_PACKAGEID_LENGTH); + } + } + else if (strlen(package_name) == 10) + { + strncpy(package_id, package_name, _MAX_PACKAGEID_LENGTH); + } + else + { + LOGE("package name is invalid (%s)", package_name); + } + + package_id[_MAX_PACKAGEID_LENGTH] = '\0'; + LOGI("package_id: %s", package_id); +} + +static int +internal_is_mounted(const char* pkgid) +{ + char mount_flag[64] = { 0, }; + static const char dir[][64] = + { + { "/tmp/osp-compat" }, + { "/tmp/osp-compat/mount" }, + { "/tmp/osp-compat/mount/internal" } + }; + + sprintf(mount_flag, "/tmp/osp-compat/mount/internal/%s", pkgid); + int res = access(mount_flag, F_OK); + if (res == 0) + { + LOGI("Intenal path is already mounted."); + return 1; + } + else if (res == -1 && errno == ENOENT) + { + int i = 0; + for (i = 0; i < sizeof(dir)/64; ++i) + { + int res = mkdir(dir[i], 0755); + if (res == -1 && errno != EEXIST) + { + LOGE("Failed to create directory (%s), errno: %d (%s)", dir[i], errno, strerror(errno)); + return 1; + } + } + + int fd = creat(mount_flag, 0644); + if (fd == -1) + { + LOGE("Failed to create mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno)); + return 1; + } + close(fd); + } + else + { + LOGE("Failed to access mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno)); + return 1; + } + + LOGI("Intenal path mount succeeded."); + return 0; +} + +static int +external_is_mounted(const char* pkgid) +{ + char mount_flag[64] = { 0, }; + static const char dir[][64] = + { + { "/tmp/osp-compat" }, + { "/tmp/osp-compat/mount" }, + { "/tmp/osp-compat/mount/external" } + }; + + sprintf(mount_flag, "/tmp/osp-compat/mount/external/%s", pkgid); + int res = access(mount_flag, F_OK); + if (res == 0) + { + LOGI("Extenal path is already mounted."); + return 1; + } + else if (res == -1 && errno == ENOENT) + { + int i = 0; + for (i = 0; i < sizeof(dir)/64; ++i) + { + int res = mkdir(dir[i], 0755); + if (res == -1 && errno != EEXIST) + { + LOGE("Failed to create directory (%s), errno: %d (%s)", dir[i], errno, strerror(errno)); + return 1; + } + } + + int fd = creat(mount_flag, 0644); + if (fd == -1) + { + LOGE("Failed to create mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno)); + return 1; + } + close(fd); + } + else + { + LOGE("Failed to access mount flag (%s), errno: %d (%s)", mount_flag, errno, strerror(errno)); + return 1; + } + + LOGI("Extenal path mount succeeded."); + return 0; +} + +static int +mount_slp_paths(const char* app_rootpath) +{ + int i = 0; + static const struct _path_info mount_info[] = { + //{ "/bin", "./bin" }, + //{ "/boot", "./boot" }, + //{ "/cache", "./cache" }, + { "/csa", "./csa" }, + { "/dev", "./dev" }, + { "/dev/pts", "./dev/pts" }, + { "/dev/shm", "./dev/shm" }, + { "/etc", "./etc" }, + { "/lib", "./lib" }, + //{ "/lost+found", "./lost+found" }, + { "/media", "./media" }, + { "/mnt", "./mnt" }, + { "/opt", "./opt" }, + { "/opt/usr", "./opt/usr" }, + { "/opt/var/kdb/db", "./opt/var/kdb/db" }, + { "/opt/storage/sdcard","./opt/storage/sdcard" }, + //{ "/packaging", "./packaging" }, + { "/proc", "./proc" }, + { "/sbin", "./sbin" }, + { "/srv", "./srv" }, + { "/sys", "./sys" }, + { "/sys/kernel/debug", "./sys/kernel/debug" }, + { "/tmp", "./tmp" }, + { "/usr", "./usr" }, + { "/var", "./var" }, + { "/var/run", "./var/run" } + }; + + if (chdir(app_rootpath) != 0) + { + LOGE("chdir() failed path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno)); + return -1; + } + + for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); ++i) + { + if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0) + { + LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)", + mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno)); + + int j = 0; + for (j = i; j > 0; --j) + { + umount2(mount_info[j-1].dest_path, MNT_DETACH); + } + return -1; + } + } + + return 0; +} + +static int +mount_osp_internal_paths(const char* app_rootpath, const char* pkgid) +{ + int i = 0; + char osp_share_pkgid_path[PATH_MAX] = {0, }; + char osp_share2_pkgid_path[PATH_MAX] = {0, }; + struct _path_info mount_info[] = { + { "\0", "./data/Share" }, + { "\0", "./data/Share2" }, + { "/opt/usr/share/.osp-compat/share", "./Share" }, + { "/opt/usr/share/.osp-compat/share2", "./Share2" }, + //{ "/opt/osp/clipboard", "./Clipboard" }, + //{ "/opt/osp/partner/npki", "./NPKI" }, + //{ "/opt/osp/system", "./System" }, + //{ "/opt/osp/Tmp", "./Tmp" }, + { "/opt/usr/media", "./Media" } + }; + + strncpy(osp_share_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH)); + strncat(osp_share_pkgid_path, "share/", 6); + strncat(osp_share_pkgid_path, pkgid, strlen(pkgid)); + + strncpy(osp_share2_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH)); + strncat(osp_share2_pkgid_path, "share2/", 7); + strncat(osp_share2_pkgid_path, pkgid, strlen(pkgid)); + + strncpy(mount_info[0].src_path, osp_share_pkgid_path, strlen(osp_share_pkgid_path)); + strncpy(mount_info[1].src_path, osp_share2_pkgid_path, strlen(osp_share2_pkgid_path)); + + if (chdir(app_rootpath) != 0) + { + LOGE("chdir() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno)); + return -1; + } + + for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); ++i) + { + if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0) + { + LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)", + mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno)); + + int j = 0; + for (j = i; j > 0; --j) + { + umount2(mount_info[j-1].dest_path, MNT_DETACH); + } + return -1; + } + } + + return 0; +} + +static int +link_osp_share_path(const char* app_rootpath, const char* pkgid) +{ + char osp_app_share_path[PATH_MAX] = {0, }; + char osp_share_pkgid_path[PATH_MAX] = {0, }; + + strncpy(osp_app_share_path, app_rootpath, strlen(app_rootpath)); + strncat(osp_app_share_path, "/shared/data", 12); + + strncpy(osp_share_pkgid_path, _OSP_COMPAT_SHARED_PATH, strlen(_OSP_COMPAT_SHARED_PATH)); + strncat(osp_share_pkgid_path, "share/", 6); + strncat(osp_share_pkgid_path, pkgid, strlen(pkgid)); + + unlink(osp_share_pkgid_path); + + int ret = symlink(osp_app_share_path, osp_share_pkgid_path); + if (ret == -1 && errno != 17) // EEXIST + { + LOGE("symlink() failed, src path: %s, dest path: %s, errno: %d (%s)", + osp_app_share_path, osp_share_pkgid_path, errno, strerror(errno)); + return -1; + } + + return 0; +} + +static int +create_osp_external_paths(const char* app_rootpath, const char* pkgid) +{ + char osp_ext_apps_pkgid_path[PATH_MAX] = {0, }; + char osp_ext_apps_pkgid_share_path[PATH_MAX] = {0, }; + char osp_ext_apps_pkgid_share2_path[PATH_MAX] = {0, }; + char osp_ext_share_pkgid_path[PATH_MAX] = {0, }; + char osp_ext_share2_pkgid_path[PATH_MAX] = {0, }; + struct _dir_info external_dirs[] = { + { "./HomeExt", 0000, 0}, + { "./ShareExt", 0000, 0}, + { "./Share2Ext", 0000, 0}, + { "/opt/storage/sdcard/osp", 0777, 0 }, + { "/opt/storage/sdcard/osp/apps", 0777, 0 }, + { "/opt/storage/sdcard/osp/share", 0777, 0 }, + { "/opt/storage/sdcard/osp/share2", 0777, 0 }, + { "\0", 0777, 0}, + { "\0", 0777, 0}, + { "\0", 0777, 0}, + { "\0", 0777, 0}, + { "\0", 0777, 0}, + { "/opt/storage/sdcard/Images", 0777, 0 }, + { "/opt/storage/sdcard/Sounds", 0777, 0 }, + { "/opt/storage/sdcard/Videos", 0777, 0 }, + //{ "/opt/storage/sdcard/Themes", 0777, 0 }, + { "/opt/storage/sdcard/Others", 0777, 0 } + }; + int i = 0; + + strncpy(osp_ext_apps_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH)); + strncat(osp_ext_apps_pkgid_path, "apps/", 5); + strncat(osp_ext_apps_pkgid_path, pkgid, strlen(pkgid)); + + strncpy(osp_ext_apps_pkgid_share_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path)); + strncat(osp_ext_apps_pkgid_share_path, "/Share", 6); + + strncpy(osp_ext_apps_pkgid_share2_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path)); + strncat(osp_ext_apps_pkgid_share2_path, "/Share2", 7); + + strncpy(osp_ext_share_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH)); + strncat(osp_ext_share_pkgid_path, "share/", 6); + strncat(osp_ext_share_pkgid_path, pkgid, strlen(pkgid)); + + strncpy(osp_ext_share2_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH)); + strncat(osp_ext_share2_pkgid_path, "share2/", 7); + strncat(osp_ext_share2_pkgid_path, pkgid, strlen(pkgid)); + + strncpy(external_dirs[7].path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path)); + strncpy(external_dirs[8].path, osp_ext_apps_pkgid_share_path, strlen(osp_ext_apps_pkgid_share_path)); + strncpy(external_dirs[9].path, osp_ext_apps_pkgid_share2_path, strlen(osp_ext_apps_pkgid_share2_path)); + strncpy(external_dirs[10].path, osp_ext_share_pkgid_path, strlen(osp_ext_share_pkgid_path)); + strncpy(external_dirs[11].path, osp_ext_share2_pkgid_path, strlen(osp_ext_share2_pkgid_path)); + + if (chdir(app_rootpath) != 0) + { + LOGE("chdir() failed (%s), path: %s", strerror(errno), app_rootpath); + return -1; + } + + for (i = 0; i < sizeof(external_dirs)/sizeof(struct _dir_info); i++) + { + int ret = mkdir(external_dirs[i].path, external_dirs[i].mode); + if (ret == -1 && errno != 17) // EEXIST + { + LOGE("mkdir() failed, path: %s, errno: %d (%s)", external_dirs[i].path, errno, strerror(errno)); + return -1; + } + } + + return 0; +} + +static int +mount_osp_external_paths(const char* app_rootpath, const char* pkgid) +{ + char osp_ext_apps_pkgid_path[PATH_MAX] = {0, }; + char osp_ext_share_pkgid_path[PATH_MAX] = {0, }; + char osp_ext_share2_pkgid_path[PATH_MAX] = {0, }; + struct _path_info mount_info[] = { + { "/opt/storage/sdcard", "./Storagecard/Media" }, + //{ "/opt/storage/sdcard/osp/share", "./ShareExt" }, + //{ "/opt/storage/sdcard/osp/share2", "./Share2Ext" }, + { "\0", "./HomeExt" }, + //{ "\0", "./HomeExt/Share" }, + //{ "\0", "./HomeExt/Share2" }, + }; + int i = 0; + + strncpy(osp_ext_apps_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH)); + strncat(osp_ext_apps_pkgid_path, "apps/", 5); + strncat(osp_ext_apps_pkgid_path, pkgid, strlen(pkgid)); + +#if 0 + strncpy(osp_ext_share_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH)); + strncat(osp_ext_share_pkgid_path, "share/", 6); + strncat(osp_ext_share_pkgid_path, pkgid, strlen(pkgid)); + + strncpy(osp_ext_share2_pkgid_path, _EXT_OSP_HOME_PATH, strlen(_EXT_OSP_HOME_PATH)); + strncat(osp_ext_share2_pkgid_path, "share2/", 7); + strncat(osp_ext_share2_pkgid_path, pkgid, strlen(pkgid)); + + strncpy(mount_info[3].src_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path)); + strncpy(mount_info[4].src_path, osp_ext_share_pkgid_path, strlen(osp_ext_share_pkgid_path)); + strncpy(mount_info[5].src_path, osp_ext_share2_pkgid_path, strlen(osp_ext_share2_pkgid_path)); +#else + strncpy(mount_info[1].src_path, osp_ext_apps_pkgid_path, strlen(osp_ext_apps_pkgid_path)); +#endif + + if (chdir(app_rootpath) != 0) + { + LOGE("chdir() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno)); + return -1; + } + LOGI("app_rootpath: %s", app_rootpath); + + for (i = 0; i < sizeof(mount_info)/sizeof(struct _path_info); i++) + { + if (mount(mount_info[i].src_path, mount_info[i].dest_path, NULL, MS_BIND, NULL) != 0) + { + LOGE("mount() failed, src path: %s, dest path: %s, errno: %d (%s)", + mount_info[i].src_path, mount_info[i].dest_path, errno, strerror(errno)); + + int j = 0; + for (j = i; j > 0; --j) + { + umount2(mount_info[j-1].dest_path, MNT_DETACH); + } + return -1; + } + } + + return 0; +} + +int +do_pre_exe(const char* package_name, const char* bin_path, const char* package_id) +{ + char* app_rootpath = NULL; + char osp_app_data_path[PATH_MAX] = {0, }; + //char internal_installed = 1; // true + int mmc_mounted = 0; + struct statfs fs; + + /* e.g., app_rootdir is "/opt/apps/com.samsung.basicapp or /opt/osp/applications/[appId] */ + app_rootpath = get_app_rootpath_from_path(bin_path); + + LOGI("[data_caging] do_pre_exe() was called, package name: %s, \ + binary path: %s, application root(home) path: %s, package id: %s", + package_name, bin_path, app_rootpath, package_id); + + umask(0000); + + // TODO: Check whether the application is installed in internal or external storage. + // Check installation position using the input path. + //if (internal_installed) + //{ + + if (!internal_is_mounted(package_id)) + { + if (mount_slp_paths(app_rootpath) != 0) + goto ERROR; + + if (mount_osp_internal_paths(app_rootpath, package_id) != 0) + goto ERROR; + } + + int ret = 0; + ret = vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS, &mmc_mounted); + if (ret < 0) + { + LOGE("vconf_get_int(VCONFKEY_SYSMAN_MMC_STATUS) failed."); + } + if (mmc_mounted == 1) + { + LOGI("MMC is mounted."); + if (create_osp_external_paths(app_rootpath, package_id) != 0) + { + goto ERROR; + } + + if (!external_is_mounted(package_id)) + { + if (mount_osp_external_paths(app_rootpath, package_id) != 0) + { + goto ERROR; + } + } + } + /*} + else + { + // TODO mount_external_paths(app_rootpath); + }*/ + LOGI("mount() succeeded."); + + if (chroot(app_rootpath) != 0) + { + LOGE("chroot() failed, path: %s, errno: %d (%s)", app_rootpath, errno, strerror(errno)); + goto ERROR; + } + if (chdir("/") != 0) + { + LOGE("chdir() failed, path: /, errno: %d (%s)", errno, strerror(errno)); + goto ERROR; + } + LOGI("chroot() succeeded."); + + // set current working dir to "/opt/apps/{packageId}/data" +#if 0 + strncpy(osp_app_data_path, app_rootpath, strlen(app_rootpath)); + strncat(osp_app_data_path, "/data", strlen("/data")); +#endif + + if (chdir("/data") != 0) + { + LOGE("chdir() failed, path: /data, errno: %d (%s)", errno, strerror(errno)); + goto ERROR; + } + + free(app_rootpath); + umask(0022); + + LOGI("[data_caging] do_pre_exec() succeeded."); + return 0; + +ERROR: + free(app_rootpath); + umask(0022); + + LOGI("[data_caging] do_pre_exec() failed."); + return -1; +} + +int +do_pre_exec(const char* package_name, const char* bin_path) +{ + char* app_rootpath = NULL; + char app_compat_path[PATH_MAX] = { 0, }; + const char app_compat_file[] = "/info/compat.info\0"; + int pathlen = 0; + char package_id[_MAX_PACKAGEID_LENGTH + 1] = { 0, }; + char osp_app_data_path[PATH_MAX] = { 0, }; + int osp_compat = 0; + + LOGI("do_pre_exec() is called, package_name: %s, bin_path: %s", package_name, bin_path); + + app_rootpath = get_app_rootpath_from_path(bin_path); + + strncpy(app_compat_path, app_rootpath, strlen(app_rootpath)); + strncat(app_compat_path, app_compat_file, strlen(app_compat_file)); + if (access(app_compat_path, F_OK) == 0) + { + osp_compat = 1; + } + + // XXX: temp code + //if (package_name == NULL) + { + //LOGI("The package name is empty."); + get_package_id_from_app_rootpath(app_rootpath, package_id); + } +#if 0 + else + { + get_package_id_from_package_name(package_name, package_id); + } +#endif + // XXX-end + + LOGI("package name: %s, binary path: %s, package id: %s, OSP compatibility: %d", + package_name, bin_path, package_id, osp_compat); + + // FIXME: Temporary code with security risk + prctl(PR_SET_KEEPCAPS, 1); + + if (osp_compat == 1) + { + free(app_rootpath); + //unshare(CLONE_NEWNS); + return do_pre_exe(package_name, bin_path, package_id); + } + + // API version is equal to or greater than Tizen 2.0 + // Set current working dir to "/opt/apps/{pkgId}/data" + strncpy(osp_app_data_path, app_rootpath, strlen(app_rootpath)); + strncat(osp_app_data_path, "/data", strlen("/data")); + + if (chdir(osp_app_data_path) != 0) + { + LOGE("chdir() failed, path: %s, errno: %d (%s)", osp_app_data_path, errno, strerror(errno)); + goto ERROR; + } + + if (link_osp_share_path(app_rootpath, package_id) != 0) + { + goto ERROR; + } + + LOGI("[data_caging] do_pre_exec() succeeded."); + free(app_rootpath); + return 0; + +ERROR: + free(app_rootpath); + return -1; +} |