int csync_statedb_create_tables(CSYNC *ctx) { c_strlist_t *result = NULL; /* * Create temorary table to work on, this speeds up the * creation of the statedb. */ result = csync_statedb_query(ctx, "CREATE TEMPORARY TABLE IF NOT EXISTS metadata_temp(" "phash INTEGER(8)," "pathlen INTEGER," "path VARCHAR(4096)," "inode INTEGER," "uid INTEGER," "gid INTEGER," "mode INTEGER," "modtime INTEGER(8)," "PRIMARY KEY(phash)" ");" ); if (result == NULL) { return -1; } c_strlist_destroy(result); result = csync_statedb_query(ctx, "CREATE TABLE IF NOT EXISTS metadata(" "phash INTEGER(8)," "pathlen INTEGER," "path VARCHAR(4096)," "inode INTEGER," "uid INTEGER," "gid INTEGER," "mode INTEGER," "modtime INTEGER(8)," "PRIMARY KEY(phash)" ");" ); if (result == NULL) { return -1; } c_strlist_destroy(result); result = csync_statedb_query(ctx, "CREATE INDEX metadata_phash ON metadata(phash);"); if (result == NULL) { return -1; } c_strlist_destroy(result); result = csync_statedb_query(ctx, "CREATE INDEX metadata_inode ON metadata(inode);"); if (result == NULL) { return -1; } c_strlist_destroy(result); return 0; }
csync_file_stat_t *csync_statedb_get_stat_by_file_id( sqlite3 *db, const char *file_id ) { csync_file_stat_t *st = NULL; c_strlist_t *result = NULL; char *stmt = NULL; size_t len = 0; if (!file_id) { return 0; } if (c_streq(file_id, "")) { return 0; } stmt = sqlite3_mprintf("SELECT * FROM metadata WHERE fileid='%q'", file_id); if (stmt == NULL) { return NULL; } result = csync_statedb_query(db, stmt); sqlite3_free(stmt); if (result == NULL) { return NULL; } if (result->count <= 6) { c_strlist_destroy(result); return NULL; } /* phash, pathlen, path, inode, uid, gid, mode, modtime */ len = strlen(result->vector[2]); st = c_malloc(sizeof(csync_file_stat_t) + len + 1); if (st == NULL) { c_strlist_destroy(result); return NULL; } /* clear the whole structure */ ZERO_STRUCTP(st); st->phash = atoll(result->vector[0]); st->pathlen = atoi(result->vector[1]); memcpy(st->path, (len ? result->vector[2] : ""), len + 1); st->inode = atoll(result->vector[3]); st->uid = atoi(result->vector[4]); st->gid = atoi(result->vector[5]); st->mode = atoi(result->vector[6]); st->modtime = strtoul(result->vector[7], NULL, 10); st->type = atoi(result->vector[8]); if( result->vector[9] ) st->etag = c_strdup(result->vector[9]); csync_vio_set_file_id(st->file_id, file_id); c_strlist_destroy(result); return st; }
/* caller must free the memory */ csync_file_stat_t *csync_statedb_get_stat_by_hash(CSYNC *ctx, uint64_t phash) { csync_file_stat_t *st = NULL; c_strlist_t *result = NULL; char *stmt = NULL; size_t len = 0; stmt = sqlite3_mprintf("SELECT * FROM metadata WHERE phash='%llu'", (long long unsigned int) phash); if (stmt == NULL) { return NULL; } result = csync_statedb_query(ctx, stmt); sqlite3_free(stmt); if (result == NULL) { return NULL; } if (result->count <= 6) { c_strlist_destroy(result); return NULL; } /* phash, pathlen, path, inode, uid, gid, mode, modtime */ len = strlen(result->vector[2]); st = c_malloc(sizeof(csync_file_stat_t) + len + 1); if (st == NULL) { c_strlist_destroy(result); return NULL; } /* * FIXME: * We use an INTEGER(8) which is signed to the phash in the sqlite3 db, * but the phash is an uint64_t. So for some values we get a string like * "1.66514565505016e+19". For such a string strtoull() returns 1. * phash = 1 * * st->phash = strtoull(result->vector[0], NULL, 10); */ /* The query suceeded so use the phash we pass to the function. */ st->phash = phash; st->pathlen = atoi(result->vector[1]); memcpy(st->path, (len ? result->vector[2] : ""), len + 1); st->inode = atoi(result->vector[3]); st->uid = atoi(result->vector[4]); st->gid = atoi(result->vector[5]); st->mode = atoi(result->vector[6]); st->modtime = strtoul(result->vector[7], NULL, 10); c_strlist_destroy(result); return st; }
int csync_statedb_load(CSYNC *ctx, const char *statedb, sqlite3 **pdb) { int rc = -1; int check_rc = -1; c_strlist_t *result = NULL; sqlite3 *db = NULL; if( !ctx ) { return -1; } /* csync_statedb_check tries to open the statedb and creates it in case * its not there. */ check_rc = _csync_statedb_check(statedb); if (check_rc < 0) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: checking csync database failed - bail out."); rc = -1; goto out; } /* Open or create the temporary database */ if (sqlite3_open(statedb, &db) != SQLITE_OK) { const char *errmsg= sqlite3_errmsg(ctx->statedb.db); CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: Failed to sqlite3 open statedb - bail out: %s.", errmsg ? errmsg : "<no sqlite3 errormsg>"); rc = -1; goto out; } /* If check_rc == 1 the database is new and empty as a result. */ if ((check_rc == 1) || _csync_statedb_is_empty(db)) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "statedb doesn't exist"); csync_set_statedb_exists(ctx, 0); } else { csync_set_statedb_exists(ctx, 1); } /* optimization for speeding up SQLite */ result = csync_statedb_query(db, "PRAGMA synchronous = FULL;"); c_strlist_destroy(result); result = csync_statedb_query(db, "PRAGMA case_sensitive_like = ON;"); c_strlist_destroy(result); #ifndef NDEBUG sqlite3_profile(db, sqlite_profile, 0 ); #endif *pdb = db; return 0; out: sqlite3_close(db); return rc; }
/* Get the etag. (it is called unique id for legacy reason * and it is the field md5 in the database for legacy reason */ char *csync_statedb_get_uniqId( CSYNC *ctx, uint64_t jHash, csync_vio_file_stat_t *buf ) { char *ret = NULL; c_strlist_t *result = NULL; char *stmt = NULL; (void)buf; if( ! csync_get_statedb_exists(ctx)) return ret; stmt = sqlite3_mprintf("SELECT md5, fileid FROM metadata WHERE phash='%lld'", jHash); result = csync_statedb_query(ctx->statedb.db, stmt); sqlite3_free(stmt); if (result == NULL) { return NULL; } if (result->count == 2) { ret = c_strdup( result->vector[0] ); csync_vio_file_stat_set_file_id(buf, result->vector[1]); } c_strlist_destroy(result); return ret; }
/* caller must free the memory */ csync_file_stat_t *csync_statedb_get_stat_by_inode(CSYNC *ctx, ino_t inode) { csync_file_stat_t *st = NULL; c_strlist_t *result = NULL; char *stmt = NULL; size_t len = 0; stmt = sqlite3_mprintf("SELECT * FROM metadata WHERE inode='%llu'", inode); if (stmt == NULL) { return NULL; } result = csync_statedb_query(ctx, stmt); sqlite3_free(stmt); if (result == NULL) { return NULL; } if (result->count <= 6) { c_strlist_destroy(result); return NULL; } /* phash, pathlen, path, inode, uid, gid, mode, modtime */ len = strlen(result->vector[2]); st = c_malloc(sizeof(csync_file_stat_t) + len + 1); if (st == NULL) { c_strlist_destroy(result); return NULL; } st->phash = strtoull(result->vector[0], NULL, 10); st->pathlen = atoi(result->vector[1]); memcpy(st->path, (len ? result->vector[2] : ""), len + 1); st->inode = atoi(result->vector[3]); st->uid = atoi(result->vector[4]); st->gid = atoi(result->vector[5]); st->mode = atoi(result->vector[6]); st->modtime = strtoul(result->vector[7], NULL, 10); c_strlist_destroy(result); return st; }
static int _csync_statedb_is_empty(sqlite3 *db) { c_strlist_t *result = NULL; int rc = 0; result = csync_statedb_query(db, "SELECT COUNT(phash) FROM metadata LIMIT 1 OFFSET 0;"); if (result == NULL) { rc = 1; } c_strlist_destroy(result); return rc; }
int csync_statedb_drop_tables(CSYNC *ctx) { c_strlist_t *result = NULL; result = csync_statedb_query(ctx, "DROP TABLE IF EXISTS metadata;" ); if (result == NULL) { return -1; } c_strlist_destroy(result); return 0; }
int csync_statedb_load(CSYNC *ctx, const char *statedb) { int rc = -1; c_strlist_t *result = NULL; char *statedb_tmp = NULL; if (_csync_statedb_check(statedb) < 0) { rc = -1; goto out; } /* * We want a two phase commit for the jounal, so we create a temporary copy * of the database. * The intention is that if something goes wrong we will not loose the * statedb. */ if (asprintf(&statedb_tmp, "%s.ctmp", statedb) < 0) { rc = -1; goto out; } if (c_copy(statedb, statedb_tmp, 0644) < 0) { rc = -1; goto out; } /* Open the temporary database */ if (sqlite3_open(statedb_tmp, &ctx->statedb.db) != SQLITE_OK) { rc = -1; goto out; } if (_csync_statedb_is_empty(ctx)) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "statedb doesn't exist"); csync_set_statedb_exists(ctx, 0); } else { csync_set_statedb_exists(ctx, 1); } /* optimization for speeding up SQLite */ result = csync_statedb_query(ctx, "PRAGMA default_synchronous = OFF;"); c_strlist_destroy(result); rc = 0; out: SAFE_FREE(statedb_tmp); return rc; }
static int _csync_check_db_integrity(sqlite3 *db) { c_strlist_t *result = NULL; int rc = -1; result = csync_statedb_query(db, "PRAGMA quick_check;"); if (result != NULL) { /* There is a result */ if (result->count > 0) { if (c_streq(result->vector[0], "ok")) { rc = 0; } } c_strlist_destroy(result); } return rc; }
int csync_statedb_insert_metadata(CSYNC *ctx) { c_strlist_t *result = NULL; if (c_rbtree_walk(ctx->local.tree, ctx, _insert_metadata_visitor) < 0) { return -1; } if (csync_statedb_insert(ctx, "INSERT INTO metadata SELECT * FROM metadata_temp;") < 0) { return -1; } result = csync_statedb_query(ctx, "DROP TABLE metadata_temp;"); if (result == NULL) { return -1; } c_strlist_destroy(result); return 0; }
static int _csync_check_db_integrity(sqlite3 *db) { c_strlist_t *result = NULL; int rc = -1; result = csync_statedb_query(db, "PRAGMA quick_check;"); if (result != NULL) { /* There is a result */ if (result->count > 0) { if (c_streq(result->vector[0], "ok")) { rc = 0; } } c_strlist_destroy(result); } if( sqlite3_threadsafe() == 0 ) { CSYNC_LOG(CSYNC_LOG_PRIORITY_WARN, "* WARNING: SQLite module is not threadsafe!"); rc = -1; } return rc; }
END_TEST START_TEST (check_c_strlist_expand) { size_t i = 0; c_strlist_t *strlist = NULL; strlist = c_strlist_new(42); fail_if(strlist == NULL, NULL); fail_unless(strlist->size == 42, NULL); fail_unless(strlist->count == 0, NULL); strlist = c_strlist_expand(strlist, 84); fail_if(strlist == NULL, NULL); fail_unless(strlist->size == 84, NULL); for (i = 0; i < strlist->size; i++) { fail_unless(c_strlist_add(strlist, (char *) "foobar") == 0, NULL); } c_strlist_destroy(strlist); }
END_TEST START_TEST (check_c_strlist_add) { size_t i = 0; c_strlist_t *strlist = NULL; strlist = c_strlist_new(42); fail_if(strlist == NULL, NULL); fail_unless(strlist->size == 42, NULL); fail_unless(strlist->count == 0, NULL); for (i = 0; i < strlist->size; i++) { fail_unless(c_strlist_add(strlist, (char *) "foobar") == 0, NULL); } fail_unless(strlist->count == 42, NULL); fail_unless(strcmp(strlist->vector[0], "foobar") == 0, NULL); fail_unless(strcmp(strlist->vector[41], "foobar") == 0, NULL); c_strlist_destroy(strlist); }
static CSYNC_EXCLUDE_TYPE _csync_excluded_common(c_strlist_t *excludes, const char *path, int filetype, bool check_leading_dirs) { size_t i = 0; const char *bname = NULL; size_t blen = 0; char *conflict = NULL; int rc = -1; CSYNC_EXCLUDE_TYPE match = CSYNC_NOT_EXCLUDED; CSYNC_EXCLUDE_TYPE type = CSYNC_NOT_EXCLUDED; /* split up the path */ bname = strrchr(path, '/'); if (bname) { bname += 1; // don't include the / } else { bname = path; } blen = strlen(bname); rc = csync_fnmatch("._sync_*.db*", bname, 0); if (rc == 0) { match = CSYNC_FILE_SILENTLY_EXCLUDED; goto out; } rc = csync_fnmatch(".sync_*.db*", bname, 0); if (rc == 0) { match = CSYNC_FILE_SILENTLY_EXCLUDED; goto out; } rc = csync_fnmatch(".csync_journal.db*", bname, 0); if (rc == 0) { match = CSYNC_FILE_SILENTLY_EXCLUDED; goto out; } // check the strlen and ignore the file if its name is longer than 254 chars. // whenever changing this also check createDownloadTmpFileName if (blen > 254) { match = CSYNC_FILE_EXCLUDE_LONG_FILENAME; goto out; } #ifdef _WIN32 // Windows cannot sync files ending in spaces (#2176). It also cannot // distinguish files ending in '.' from files without an ending, // as '.' is a separator that is not stored internally, so let's // not allow to sync those to avoid file loss/ambiguities (#416) if (blen > 1) { if (bname[blen-1]== ' ') { match = CSYNC_FILE_EXCLUDE_TRAILING_SPACE; goto out; } else if (bname[blen-1]== '.' ) { match = CSYNC_FILE_EXCLUDE_INVALID_CHAR; goto out; } } if (csync_is_windows_reserved_word(bname)) { match = CSYNC_FILE_EXCLUDE_INVALID_CHAR; goto out; } // Filter out characters not allowed in a filename on windows const char *p = NULL; for (p = path; *p; p++) { switch (*p) { case '\\': case ':': case '?': case '*': case '"': case '>': case '<': case '|': match = CSYNC_FILE_EXCLUDE_INVALID_CHAR; goto out; default: break; } } #endif rc = csync_fnmatch(".owncloudsync.log*", bname, 0); if (rc == 0) { match = CSYNC_FILE_SILENTLY_EXCLUDED; goto out; } /* Always ignore conflict files, not only via the exclude list */ rc = csync_fnmatch("*_conflict-*", bname, 0); if (rc == 0) { match = CSYNC_FILE_EXCLUDE_CONFLICT; goto out; } if (getenv("CSYNC_CONFLICT_FILE_USERNAME")) { rc = asprintf(&conflict, "*_conflict_%s-*", getenv("CSYNC_CONFLICT_FILE_USERNAME")); if (rc < 0) { goto out; } rc = csync_fnmatch(conflict, path, 0); if (rc == 0) { match = CSYNC_FILE_EXCLUDE_CONFLICT; SAFE_FREE(conflict); goto out; } SAFE_FREE(conflict); } if( ! excludes ) { goto out; } c_strlist_t *path_components = NULL; if (check_leading_dirs) { /* Build a list of path components to check. */ path_components = c_strlist_new(32); char *path_split = strdup(path); size_t len = strlen(path_split); for (i = len; ; --i) { // read backwards until a path separator is found if (i != 0 && path_split[i-1] != '/') { continue; } // check 'basename', i.e. for "/foo/bar/fi" we'd check 'fi', 'bar', 'foo' if (path_split[i] != 0) { c_strlist_add_grow(&path_components, path_split + i); } if (i == 0) { break; } // check 'dirname', i.e. for "/foo/bar/fi" we'd check '/foo/bar', '/foo' path_split[i-1] = '\0'; c_strlist_add_grow(&path_components, path_split); } SAFE_FREE(path_split); } /* Loop over all exclude patterns and evaluate the given path */ for (i = 0; match == CSYNC_NOT_EXCLUDED && i < excludes->count; i++) { bool match_dirs_only = false; char *pattern = excludes->vector[i]; type = CSYNC_FILE_EXCLUDE_LIST; if (!pattern[0]) { /* empty pattern */ continue; } /* Excludes starting with ']' means it can be cleanup */ if (pattern[0] == ']') { ++pattern; if (filetype == CSYNC_FTW_TYPE_FILE) { type = CSYNC_FILE_EXCLUDE_AND_REMOVE; } } /* Check if the pattern applies to pathes only. */ if (pattern[strlen(pattern)-1] == '/') { if (!check_leading_dirs && filetype == CSYNC_FTW_TYPE_FILE) { continue; } match_dirs_only = true; pattern[strlen(pattern)-1] = '\0'; /* Cut off the slash */ } /* check if the pattern contains a / and if, compare to the whole path */ if (strchr(pattern, '/')) { rc = csync_fnmatch(pattern, path, FNM_PATHNAME); if( rc == 0 ) { match = type; } /* if the pattern requires a dir, but path is not, its still not excluded. */ if (match_dirs_only && filetype != CSYNC_FTW_TYPE_DIR) { match = CSYNC_NOT_EXCLUDED; } } /* if still not excluded, check each component and leading directory of the path */ if (match == CSYNC_NOT_EXCLUDED && check_leading_dirs) { size_t j = 0; if (match_dirs_only && filetype == CSYNC_FTW_TYPE_FILE) { j = 1; // skip the first entry, which is bname } for (; j < path_components->count; ++j) { rc = csync_fnmatch(pattern, path_components->vector[j], 0); if (rc == 0) { match = type; break; } } } else if (match == CSYNC_NOT_EXCLUDED && !check_leading_dirs) { rc = csync_fnmatch(pattern, bname, 0); if (rc == 0) { match = type; } } if (match_dirs_only) { /* restore the '/' */ pattern[strlen(pattern)] = '/'; } } c_strlist_destroy(path_components); out: return match; }
/* query the statedb, caller must free the memory */ c_strlist_t *csync_statedb_query(sqlite3 *db, const char *statement) { int err = SQLITE_OK; int rc = SQLITE_OK; size_t i = 0; size_t busy_count = 0; size_t retry_count = 0; size_t column_count = 0; sqlite3_stmt *stmt; const char *tail = NULL; const char *field = NULL; c_strlist_t *result = NULL; int row = 0; do { /* compile SQL program into a virtual machine, reattempteing if busy */ do { if (busy_count) { /* sleep 100 msec */ usleep(100000); CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG, "sqlite3_prepare: BUSY counter: %zu", busy_count); } err = sqlite3_prepare(db, statement, -1, &stmt, &tail); } while (err == SQLITE_BUSY && busy_count ++ < 120); if (err != SQLITE_OK) { if (err == SQLITE_BUSY) { CSYNC_LOG(CSYNC_LOG_PRIORITY_ERROR, "Gave up waiting for lock to clear"); } CSYNC_LOG(CSYNC_LOG_PRIORITY_WARN, "sqlite3_compile error: %s - on query %s", sqlite3_errmsg(db), statement); break; } else { busy_count = 0; column_count = sqlite3_column_count(stmt); /* execute virtual machine by iterating over rows */ for(;;) { err = sqlite3_step(stmt); if (err == SQLITE_BUSY) { if (busy_count++ > 120) { CSYNC_LOG(CSYNC_LOG_PRIORITY_ERROR, "Busy counter has reached its maximum. Aborting this sql statement"); break; } /* sleep 100 msec */ usleep(100000); CSYNC_LOG(CSYNC_LOG_PRIORITY_TRACE, "sqlite3_step: BUSY counter: %zu", busy_count); continue; } if (err == SQLITE_MISUSE) { CSYNC_LOG(CSYNC_LOG_PRIORITY_ERROR, "sqlite3_step: MISUSE!!"); } if (err == SQLITE_DONE) { if (result == NULL) { result = c_strlist_new(1); } break; } if (err == SQLITE_ERROR) { break; } row++; if( result ) { result = c_strlist_expand(result, row*column_count); } else { result = c_strlist_new(column_count); } if (result == NULL) { return NULL; } /* iterate over columns */ for (i = 0; i < column_count; i++) { field = (const char *) sqlite3_column_text(stmt, i); if (!field) field = ""; // CSYNC_LOG(CSYNC_LOG_PRIORITY_TRACE, "sqlite3_column_text: %s", field); if (c_strlist_add(result, field) < 0) { c_strlist_destroy(result); return NULL; } } } /* end infinite for loop */ /* deallocate vm resources */ rc = sqlite3_finalize(stmt); if (err != SQLITE_DONE && rc != SQLITE_SCHEMA) { CSYNC_LOG(CSYNC_LOG_PRIORITY_ERROR, "sqlite_step error: %s - on query: %s", sqlite3_errmsg(db), statement); if (result != NULL) { c_strlist_destroy(result); } return NULL; } if (rc == SQLITE_SCHEMA) { retry_count ++; CSYNC_LOG(CSYNC_LOG_PRIORITY_ERROR, "SQLITE_SCHEMA error occurred on query: %s", statement); if (retry_count < 10) { CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG, "Retrying now."); } else { CSYNC_LOG(CSYNC_LOG_PRIORITY_ERROR, "RETRY count has reached its maximum. Aborting statement: %s", statement); if (result != NULL) { c_strlist_destroy(result); } result = c_strlist_new(1); } } } } while (rc == SQLITE_SCHEMA && retry_count < 10); return result; }
int csync_statedb_load(CSYNC *ctx, const char *statedb, sqlite3 **pdb) { int rc = -1; c_strlist_t *result = NULL; sqlite3 *db = NULL; if( !ctx ) { return -1; } if (ctx->statedb.db) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: DB already open"); ctx->status_code = CSYNC_STATUS_PARAM_ERROR; return -1; } ctx->statedb.lastReturnValue = SQLITE_OK; /* Openthe database */ if (sqlite_open(statedb, &db) != SQLITE_OK) { const char *errmsg= sqlite3_errmsg(ctx->statedb.db); CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: Failed to sqlite3 open statedb - bail out: %s.", errmsg ? errmsg : "<no sqlite3 errormsg>"); rc = -1; ctx->status_code = CSYNC_STATUS_STATEDB_LOAD_ERROR; goto out; } if (_csync_check_db_integrity(db) != 0) { const char *errmsg= sqlite3_errmsg(db); CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: sqlite3 integrity check failed - bail out: %s.", errmsg ? errmsg : "<no sqlite3 errormsg>"); rc = -1; ctx->status_code = CSYNC_STATUS_STATEDB_CORRUPTED; goto out; } if (_csync_statedb_is_empty(db)) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "statedb contents doesn't exist"); csync_set_statedb_exists(ctx, 0); } else { csync_set_statedb_exists(ctx, 1); } /* Print out the version */ // result = csync_statedb_query(db, "SELECT sqlite_version();"); if (result && result->count >= 1) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "sqlite3 version \"%s\"", *result->vector); } c_strlist_destroy(result); /* optimization for speeding up SQLite */ result = csync_statedb_query(db, "PRAGMA synchronous = NORMAL;"); c_strlist_destroy(result); result = csync_statedb_query(db, "PRAGMA case_sensitive_like = ON;"); c_strlist_destroy(result); /* set a busy handler with 5 seconds timeout */ sqlite3_busy_timeout(db, 5000); #ifndef NDEBUG sqlite3_profile(db, sqlite_profile, 0 ); #endif *pdb = db; CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "Success"); return 0; out: sqlite3_close(db); return rc; }
void csync_exclude_destroy(CSYNC *ctx) { c_strlist_destroy(ctx->excludes); }
int csync_statedb_load(CSYNC *ctx, const char *statedb, sqlite3 **pdb) { int rc = -1; int check_rc = -1; c_strlist_t *result = NULL; char *statedb_tmp = NULL; sqlite3 *db = NULL; /* csync_statedb_check tries to open the statedb and creates it in case * its not there. */ check_rc = _csync_statedb_check(statedb); if (check_rc < 0) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: checking csync database failed - bail out."); rc = -1; goto out; } /* * We want a two phase commit for the jounal, so we create a temporary copy * of the database. * The intention is that if something goes wrong we will not loose the * statedb. */ rc = asprintf(&statedb_tmp, "%s.ctmp", statedb); if (rc < 0) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: could not create statedb name - bail out."); rc = -1; goto out; } if (c_copy(statedb, statedb_tmp, 0644) < 0) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: Failed to copy statedb -> statedb_tmp - bail out."); rc = -1; goto out; } _csync_win32_hide_file( statedb_tmp ); /* Open or create the temporary database */ if (sqlite3_open(statedb_tmp, &db) != SQLITE_OK) { const char *errmsg= sqlite3_errmsg(ctx->statedb.db); CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "ERR: Failed to sqlite3 open statedb - bail out: %s.", errmsg ? errmsg : "<no sqlite3 errormsg>"); rc = -1; goto out; } SAFE_FREE(statedb_tmp); /* If check_rc == 1 the database is new and empty as a result. */ if ((check_rc == 1) || _csync_statedb_is_empty(db)) { CSYNC_LOG(CSYNC_LOG_PRIORITY_NOTICE, "statedb doesn't exist"); csync_set_statedb_exists(ctx, 0); } else { csync_set_statedb_exists(ctx, 1); } /* optimization for speeding up SQLite */ result = csync_statedb_query(db, "PRAGMA synchronous = FULL;"); c_strlist_destroy(result); result = csync_statedb_query(db, "PRAGMA case_sensitive_like = ON;"); c_strlist_destroy(result); #ifndef NDEBUG sqlite3_profile(db, sqlite_profile, 0 ); #endif *pdb = db; return 0; out: sqlite3_close(db); SAFE_FREE(statedb_tmp); return rc; }