#define _GNU_SOURCE
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <glib.h>
+#include <stdbool.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
+#include <sys/stat.h>
#include <sys/types.h>
+#include <sys/wait.h>
+#include <pwd.h>
+#include <unistd.h>
+#include <dlog.h>
#include <sqlite3.h>
#include <tzplatform_config.h>
+#include <pkgmgr_parser_db.h>
+#include <pkgmgr_parser_db_queries.h>
+
+#ifdef LOG_TAG
+#undef LOG_TAG
+#endif
+
+#define LOG_TAG "PKG_DB_RECOVERY"
+
+#ifndef APPFW_USER
+#define APPFW_USER "app_fw"
+#endif
+#ifndef OWNER_ROOT
+#define OWNER_ROOT 0
+#endif
#define REGULAR_USER 5000
#define MAX_QUERY_LEN 4096
+#define BUFSIZE 4096
#define PKGMGR_PARSER_DB_FILE tzplatform_mkpath(TZ_SYS_DB, ".pkgmgr_parser.db")
#define PKGMGR_CERT_DB_FILE tzplatform_mkpath(TZ_SYS_DB, ".pkgmgr_cert.db")
+#define NEED_RECOVERY_FILE tzplatform_mkpath(TZ_SYS_DB, ".need_pkg_recovery")
+
+#define GLOBAL_USER tzplatform_getuid(TZ_SYS_GLOBALAPP_USER)
+
+typedef struct user_info {
+ uid_t uid;
+ char *db_path;
+} user_info;
+
+static GList *user_info_list;
+
+char *string_trim_inplace(char *s) {
+ char *original = s;
+ size_t len = 0;
-static int __rollback_db(sqlite3 *db, const char *table_name)
+ while (isspace((unsigned char) *s))
+ s++;
+
+ if (*s) {
+ char *p = s;
+ while (*p)
+ p++;
+ while (isspace((unsigned char) *(--p)));
+ p[1] = '\0';
+ len = (size_t) (p - s + 1);
+ }
+
+ if (len > MAX_QUERY_LEN)
+ return NULL;
+ return (s == original) ? s : memmove(original, s, len + 1);
+}
+
+static char *__get_dbpath(uid_t uid)
{
- static const char rollback_query_raw[] =
- "SELECT COUNT(*) FROM %s WHERE 1=0";
- int ret;
+ const char *db_path;
+ char path[PATH_MAX];
+
+ db_path = tzplatform_getenv(TZ_SYS_DB);
+ if (db_path == NULL) {
+ LOGE("Failed to get TZ_SYS_DB path");
+ return NULL;
+ }
+
+ snprintf(path, sizeof(path), "%s/user/%d/.pkgmgr_parser.db", db_path, uid);
+ return strdup(path);
+}
+
+#define BUSY_WAITING_USEC (1000000 / 10 / 2) /* 0.05 sec */
+#define BUSY_WAITING_MAX 100 /* wait for max 5 sec */
+static int __db_busy_handler(void *data, int count)
+{
+ if (count < BUSY_WAITING_MAX) {
+ usleep(BUSY_WAITING_USEC);
+ return 1;
+ } else {
+ /* sqlite3_prepare_v2 will return SQLITE_BUSY */
+ return 0;
+ }
+}
+
+static bool __check_aborted(uid_t uid)
+{
+ char buf[BUFSIZE];
+
+ snprintf(buf, sizeof(buf), "%s_%d", NEED_RECOVERY_FILE, uid);
+ if (access(buf, F_OK) == 0) {
+ return true;
+ } else {
+ if (errno != ENOENT)
+ LOGE("failed to access %s, errno: %d", buf, errno);
+ return false;
+ }
+}
+
+static void __create_need_to_recovery_file(uid_t uid)
+{
+ int fd;
+ char buf[BUFSIZE];
+
+ snprintf(buf, sizeof(buf), "%s_%d", NEED_RECOVERY_FILE, uid);
+ fd = open(buf, O_CREAT | O_WRONLY, S_IRWXU);
+ if (fd == -1)
+ LOGE("failed to create file: %s, errno: %d", buf, errno);
+ else
+ close(fd);
+}
+
+static void __remove_need_to_recovery_file(uid_t uid)
+{
+ char buf[BUFSIZE];
+
+ snprintf(buf, sizeof(buf), "%s_%d", NEED_RECOVERY_FILE, uid);
+ if (unlink(buf))
+ LOGE("failed to remove file: %s, errno: %d", buf, errno);
+}
+
+static bool __integrity_check(const char *db_path)
+{
+ int ret = -1;
sqlite3_stmt *stmt = NULL;
- char query[MAX_QUERY_LEN] = { '\0' };
+ const char *check_result;
+ static const char integrity_check_query[] =
+ "PRAGMA integrity_check";
+ sqlite3 *db;
+
+ ret = sqlite3_open_v2(db_path, &db,
+ SQLITE_OPEN_READWRITE, NULL);
+ if (ret != SQLITE_OK) {
+ LOGE("Failed to open db");
+ sqlite3_close_v2(db);
+ return false;
+ }
- sqlite3_snprintf(MAX_QUERY_LEN, query, rollback_query_raw, table_name);
- ret = sqlite3_prepare_v2(db, query, strlen(query), &stmt, NULL);
+ ret = sqlite3_busy_handler(db, __db_busy_handler, NULL);
if (ret != SQLITE_OK) {
- printf("Failed to recover db : %s\n", sqlite3_errmsg(db));
- return -1;
+ LOGE("failed to register busy handler: %s",
+ sqlite3_errmsg(db));
+ sqlite3_close_v2(db);
+ return ret;
+ }
+
+ ret = sqlite3_prepare_v2(db, integrity_check_query,
+ strlen(integrity_check_query), &stmt, NULL);
+ if (ret != SQLITE_OK) {
+ LOGE("Failed to check integrity_check : %s", sqlite3_errmsg(db));
+ goto err;
}
+
+ ret = sqlite3_step(stmt);
+ if (ret != SQLITE_ROW) {
+ LOGE("Failed to check integrity db :%s", sqlite3_errmsg(db));
+ goto err;
+ }
+
+ check_result = (const char *)sqlite3_column_text(stmt, 0);
+ if (!check_result) {
+ LOGE("Failed to check integrity db :%s", sqlite3_errmsg(db));
+ goto err;
+ }
+
+ if (strcasecmp(check_result, "ok") != 0) {
+ LOGE("db corrupted :%s", db_path);
+ goto err;
+ }
+
sqlite3_finalize(stmt);
- return 0;
+ sqlite3_close(db);
+ return true;
+
+err:
+ sqlite3_finalize(stmt);
+ sqlite3_close(db);
+ return false;
+}
+
+static void _xsystem(const char *argv[])
+{
+ int status = 0;
+ pid_t pid;
+
+ pid = fork();
+ switch (pid) {
+ case -1:
+ perror("fork failed");
+ return;
+ case 0:
+ /* child */
+ execvp(argv[0], (char *const *)argv);
+ _exit(-1);
+ default:
+ /* parent */
+ break;
+ }
+ if (waitpid(pid, &status, 0) == -1) {
+ perror("waitpid failed");
+ return;
+ }
+ if (WIFSIGNALED(status)) {
+ perror("signal");
+ return;
+ }
+ if (!WIFEXITED(status)) {
+ /* shouldn't happen */
+ perror("should not happen");
+ return;
+ }
+}
+
+static void __create_db(uid_t uid)
+{
+ char uid_string[11];
+ const char *create_db[] = { "/usr/bin/pkg-db-creator", uid_string, NULL};
+
+ snprintf(uid_string, sizeof(uid_string), "%d", (int)uid);
+ _xsystem(create_db);
+}
+
+static void __initdb(uid_t uid)
+{
+ char uid_string[11];
+ const char *initdb_rw[] = { "/usr/bin/pkg_initdb",
+ "--recover-db", "--uid", uid_string, "--keep-db", NULL};
+ const char *initdb_ro[] = { "/usr/bin/pkg_initdb",
+ "--recover-db", "--keep-db", NULL};
+
+ __create_need_to_recovery_file(uid);
+ __create_db(uid);
+ snprintf(uid_string, sizeof(uid_string), "%d", (int)uid);
+ _xsystem((uid > REGULAR_USER) ? initdb_rw : initdb_ro);
+ __remove_need_to_recovery_file(uid);
+}
+
+static void __initdb_all()
+{
+ GList *tmp_list = NULL;
+ user_info *tmp_info;
+ __initdb(GLOBAL_USER);
+
+ for (tmp_list = user_info_list;
+ tmp_list != NULL; tmp_list = g_list_next(tmp_list)) {
+ tmp_info = (user_info *)tmp_list->data;
+ if (!tmp_info)
+ continue;
+ __initdb(tmp_info->uid);
+ }
}
-static int __check_and_rollback_db(const char *db_path, const char *table_name)
+static void __check_user_db()
{
+ GList *tmp_list = NULL;
+ user_info *tmp_info;
+ bool need_recovery;
+
+ for (tmp_list = user_info_list;
+ tmp_list != NULL; tmp_list = g_list_next(tmp_list)) {
+ need_recovery = false;
+ tmp_info = (user_info *)tmp_list->data;
+ if (!tmp_info)
+ continue;
+ if (!__integrity_check(tmp_info->db_path)) {
+ LOGE("User db for %d has corrupted", (int)tmp_info->uid);
+ need_recovery = true;
+ } else if (__check_aborted(tmp_info->uid)) {
+ need_recovery = true;
+ }
+
+ if (need_recovery)
+ __initdb(tmp_info->uid);
+ }
+}
+
+static void _free_user_info(gpointer data)
+{
+ user_info *info = (user_info *)data;
+ free(info->db_path);
+ free(info);
+}
+
+static void _get_user_list()
+{
+ DIR *dir;
+ struct dirent *ent;
+ struct stat stats;
+ char traverse_path[PATH_MAX];
+ char abs_dirname[PATH_MAX];
+ const char *db_path;
+ int ret;
+ uid_t uid;
+ user_info *info;
+
+ db_path = tzplatform_getenv(TZ_SYS_DB);
+ if (db_path == NULL) {
+ LOGE("Failed to get TZ_SYS_DB path");
+ return;
+ }
+
+ snprintf(traverse_path, sizeof(traverse_path), "%s/user", db_path);
+ dir = opendir(traverse_path);
+ if (!dir) {
+ LOGE("Failed to open dir: %d (%s)", errno, traverse_path);
+ return;
+ }
+
+ while ((ent = readdir(dir)) != NULL) {
+ ret = snprintf(abs_dirname, PATH_MAX, "%s/%s", traverse_path,
+ ent->d_name);
+ if (ret < 0 || ret > PATH_MAX) {
+ LOGE("snprintf fail");
+ closedir(dir);
+ return;
+ }
+
+ ret = stat(abs_dirname, &stats);
+ if (ret != 0) {
+ LOGE("failed to stat: %d (%s)", errno, abs_dirname);
+ continue;
+ }
+
+ if (!strcmp(".", ent->d_name) || !strcmp("..", ent->d_name) ||
+ !S_ISDIR(stats.st_mode))
+ continue;
+ uid = (uid_t)atoi(ent->d_name);
+ if (uid < REGULAR_USER)
+ continue;
+
+ info = calloc(1, sizeof(user_info));
+ if (!info) {
+ closedir(dir);
+ return;
+ }
+
+ info->uid = uid;
+ info->db_path = __get_dbpath(uid);
+ user_info_list = g_list_prepend(user_info_list, info);
+ }
+
+ closedir(dir);
+}
+
+static bool __check_db_schema(const char *db_path,
+ const char **db_tables, const char **init_queries) {
int ret = -1;
+ int i;
+ sqlite3_stmt *stmt = NULL;
+ const char *check_result;
+ char *schema_in_library, *schema_in_db;
+ static const char table_schema_query[] =
+ "SELECT sql from sqlite_master WHERE name=?";
sqlite3 *db;
+ char *schema_lib_tmp;
+ char *schema_lib_ptr;
+ char *schema_db_tmp;
+ char *schema_db_ptr;
+ char *line_db;
+ char *line_library;
ret = sqlite3_open_v2(db_path, &db,
- SQLITE_OPEN_READWRITE, NULL);
+ SQLITE_OPEN_READONLY, NULL);
if (ret != SQLITE_OK) {
- printf("Failed to open db\n");
- return -1;
+ LOGE("Failed to open db");
+ sqlite3_close_v2(db);
+ return false;
+ }
+
+ ret = sqlite3_busy_handler(db, __db_busy_handler, NULL);
+ if (ret != SQLITE_OK) {
+ LOGE("failed to register busy handler: %s",
+ sqlite3_errmsg(db));
+ sqlite3_close_v2(db);
+ return ret;
+ }
+ for (i = 0; db_tables[i] != NULL; i++) {
+ ret = sqlite3_prepare_v2(db, table_schema_query,
+ strlen(table_schema_query), &stmt, NULL);
+ if (ret != SQLITE_OK) {
+ LOGE("Failed to check db schema : %s",
+ sqlite3_errmsg(db));
+ goto err;
+ }
+
+ ret = sqlite3_bind_text(stmt, 1,
+ db_tables[i],-1, SQLITE_STATIC);
+
+ ret = sqlite3_step(stmt);
+ if (ret != SQLITE_ROW) {
+ LOGE("Failed to check db schema :%s",
+ sqlite3_errmsg(db));
+ goto err;
+ }
+
+ check_result = (const char *)sqlite3_column_text(stmt, 0);
+ if (!check_result) {
+ LOGE("Failed to check db schema :%s",
+ sqlite3_errmsg(db));
+ goto err;
+ }
+
+ schema_in_library = strstr(init_queries[i], db_tables[i]);
+ if (schema_in_library == NULL) {
+ LOGE("Failed to get initialization query from library");
+ goto err;
+ }
+ schema_lib_tmp = strdup(schema_in_library);
+ schema_lib_ptr = schema_lib_tmp;
+ if (schema_lib_tmp == NULL) {
+ LOGE("Out of memory");
+ goto err;
+ }
+
+ schema_in_db = strstr(check_result, db_tables[i]);
+ if (schema_in_db == NULL) {
+ LOGE("Failed to get initialization query from db");
+ free(schema_lib_ptr);
+ goto err;
+ }
+ schema_db_tmp = strdup(schema_in_db);
+ schema_db_ptr = schema_db_tmp;
+ if (schema_db_tmp == NULL) {
+ LOGE("Out of memory");
+ free(schema_lib_ptr);
+ goto err;
+ }
+
+ while (true) {
+ line_db = strsep(&schema_db_tmp, ",");
+ line_library = strsep(&schema_lib_tmp, ",");
+ if (line_db == NULL || line_library == NULL)
+ break;
+
+ if (string_trim_inplace(line_db) == NULL ||
+ string_trim_inplace(line_library) == NULL)
+ break;
+
+ ret = strcmp(string_trim_inplace(line_db),
+ string_trim_inplace(line_library));
+ if (ret != 0)
+ break;
+ }
+
+ free(schema_lib_ptr);
+ free(schema_db_ptr);
+
+ if (ret != 0) {
+ LOGE("Broken schema detected in table[%s], query[%s]",
+ db_tables[i], schema_in_db);
+ goto err;
+ }
+
+ sqlite3_finalize(stmt);
+ stmt = NULL;
}
- ret = __rollback_db(db, table_name);
- if (ret != 0)
- printf("Failed to rollback db\n");
+ sqlite3_close(db);
+ return true;
+err:
+ sqlite3_finalize(stmt);
sqlite3_close(db);
- return ret;
+ return false;
}
static void _check_db()
{
- int ret;
+ int need_recovery = false;
- ret = __check_and_rollback_db(PKGMGR_PARSER_DB_FILE, "package_info");
- if (ret != 0)
- printf("Failed to check and rollback parser db\n");
+ if (!__integrity_check(PKGMGR_CERT_DB_FILE)) {
+ LOGE("Cert db corrupted. restore entire pkgmgr db");
+ need_recovery = true;
+ } else if (!__integrity_check(PKGMGR_PARSER_DB_FILE)) {
+ LOGE("Global parser db corrupted. restore entire pkgmgr db");
+ need_recovery = true;
+ } else if (__check_aborted(GLOBAL_USER)) {
+ LOGE("Previous recovery was aborted. restore entire pkgmgr db");
+ need_recovery = true;
+ } else if (!__check_db_schema(PKGMGR_PARSER_DB_FILE,
+ PARSER_TABLES, PARSER_INIT_QUERIES)) {
+ LOGE("Global parser db schema was broken. restore entire pkgmgr db");
+ need_recovery = true;
+ } else if (!__check_db_schema(PKGMGR_CERT_DB_FILE,
+ CERT_TABLES, CERT_INIT_QUERIES)) {
+ LOGE("Cert db schema was broken. restore entire pkgmgr db");
+ need_recovery = true;
+ }
- ret = __check_and_rollback_db(PKGMGR_CERT_DB_FILE, "package_cert_info");
- if (ret != 0)
- printf("Failed to check and rollback cert db\n");
-}
+ if (need_recovery) {
+ __initdb_all();
+ return;
+ }
+ __check_user_db();
+}
int main(int argc, char *argv[])
{
if ((int)getuid() > REGULAR_USER) {
- printf("This cmd is not allowed for regular user\n");
+ LOGE("This cmd is not allowed for regular user");
return -1;
}
+ _get_user_list();
_check_db();
+ g_list_free_full(user_info_list, _free_user_info);
return 0;
}
projects / platform / core / appfw / pkgmgr-info.git / blobdiff