-
-static int config_entry_handler_filter(struct handler_filter_args *args,
- const char *section, const char *name, const char *value)
-{
- int ret = 0;
- struct config_entry entry = { section, name, value };
-
- LTTNG_ASSERT(args);
-
- if (!section || !name || !value) {
- ret = -EIO;
- goto end;
- }
-
- if (args->section) {
- if (strcmp(args->section, section)) {
- goto end;
- }
- }
-
- ret = args->handler(&entry, args->user_data);
-end:
- return ret;
-}
-
-int config_get_section_entries(const char *override_path, const char *section,
- config_entry_handler_cb handler, void *user_data)
-{
- int ret = 0;
- const char *path;
- FILE *config_file = NULL;
- struct handler_filter_args filter = { section, handler, user_data };
-
- /* First, try system-wide conf. file. */
- path = DEFAULT_DAEMON_SYSTEM_CONFIGPATH;
-
- config_file = fopen(path, "r");
- if (config_file) {
- DBG("Loading daemon conf file at %s", path);
- /*
- * Return value is not very important here since error or not, we
- * continue and try the next possible conf. file.
- */
- (void) ini_parse_file(config_file,
- (ini_entry_handler) config_entry_handler_filter,
- (void *) &filter);
- fclose(config_file);
- }
-
- /* Second is the user local configuration. */
- path = utils_get_home_dir();
- if (path) {
- char fullpath[PATH_MAX];
-
- ret = snprintf(fullpath, sizeof(fullpath),
- DEFAULT_DAEMON_HOME_CONFIGPATH, path);
- if (ret < 0) {
- PERROR("snprintf user conf. path");
- goto error;
- }
-
- config_file = fopen(fullpath, "r");
- if (config_file) {
- DBG("Loading daemon user conf file at %s", path);
- /*
- * Return value is not very important here since error or not, we
- * continue and try the next possible conf. file.
- */
- (void) ini_parse_file(config_file,
- (ini_entry_handler) config_entry_handler_filter,
- (void *) &filter);
- fclose(config_file);
- }
- }
-
- /* Final path is the one that the user might have provided. */
- if (override_path) {
- config_file = fopen(override_path, "r");
- if (config_file) {
- DBG("Loading daemon command line conf file at %s", override_path);
- (void) ini_parse_file(config_file,
- (ini_entry_handler) config_entry_handler_filter,
- (void *) &filter);
- fclose(config_file);
- } else {
- ERR("Failed to open daemon configuration file at %s",
- override_path);
- ret = -ENOENT;
- goto error;
- }
- }
-
- /* Everything went well. */
- ret = 0;
-
-error:
- return ret;
-}
-
-int config_parse_value(const char *value)
-{
- int i, ret = 0;
- char *endptr, *lower_str;
- size_t len;
- unsigned long v;
-
- len = strlen(value);
- if (!len) {
- ret = -1;
- goto end;
- }
-
- v = strtoul(value, &endptr, 10);
- if (endptr != value) {
- ret = v;
- goto end;
- }
-
- lower_str = (char *) zmalloc(len + 1);
- if (!lower_str) {
- PERROR("zmalloc");
- ret = -errno;
- goto end;
- }
-
- for (i = 0; i < len; i++) {
- lower_str[i] = tolower(value[i]);
- }
-
- if (!strcmp(lower_str, config_str_yes) ||
- !strcmp(lower_str, config_str_true) ||
- !strcmp(lower_str, config_str_on)) {
- ret = 1;
- } else if (!strcmp(lower_str, config_str_no) ||
- !strcmp(lower_str, config_str_false) ||
- !strcmp(lower_str, config_str_off)) {
- ret = 0;
- } else {
- ret = -1;
- }
-
- free(lower_str);
-end:
- return ret;
-}