diff options
Diffstat (limited to 'src/conf.c')
| -rw-r--r-- | src/conf.c | 666 |
1 files changed, 0 insertions, 666 deletions
diff --git a/src/conf.c b/src/conf.c deleted file mode 100644 index 167f2da9..00000000 --- a/src/conf.c +++ /dev/null @@ -1,666 +0,0 @@ -/* - * Copyright (C) 2003-2011 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "conf.h" -#include "utils.h" -#include "string_util.h" -#include "tokenizer.h" -#include "path.h" -#include "mpd_error.h" - -#include <glib.h> - -#include <assert.h> -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "config" - -#define MAX_STRING_SIZE MPD_PATH_MAX+80 - -#define CONF_COMMENT '#' - -struct config_entry { - const char *const name; - const bool repeatable; - const bool block; - - GSList *params; -}; - -static struct config_entry config_entries[] = { - { .name = CONF_MUSIC_DIR, false, false }, - { .name = CONF_PLAYLIST_DIR, false, false }, - { .name = CONF_FOLLOW_INSIDE_SYMLINKS, false, false }, - { .name = CONF_FOLLOW_OUTSIDE_SYMLINKS, false, false }, - { .name = CONF_DB_FILE, false, false }, - { .name = CONF_STICKER_FILE, false, false }, - { .name = CONF_LOG_FILE, false, false }, - { .name = CONF_PID_FILE, false, false }, - { .name = CONF_STATE_FILE, false, false }, - { .name = "restore_paused", false, false }, - { .name = CONF_USER, false, false }, - { .name = CONF_GROUP, false, false }, - { .name = CONF_BIND_TO_ADDRESS, true, false }, - { .name = CONF_PORT, false, false }, - { .name = CONF_LOG_LEVEL, false, false }, - { .name = CONF_ZEROCONF_NAME, false, false }, - { .name = CONF_ZEROCONF_ENABLED, false, false }, - { .name = CONF_PASSWORD, true, false }, - { .name = CONF_DEFAULT_PERMS, false, false }, - { .name = CONF_AUDIO_OUTPUT, true, true }, - { .name = CONF_AUDIO_OUTPUT_FORMAT, false, false }, - { .name = CONF_MIXER_TYPE, false, false }, - { .name = CONF_REPLAYGAIN, false, false }, - { .name = CONF_REPLAYGAIN_PREAMP, false, false }, - { .name = CONF_REPLAYGAIN_MISSING_PREAMP, false, false }, - { .name = CONF_REPLAYGAIN_LIMIT, false, false }, - { .name = CONF_VOLUME_NORMALIZATION, false, false }, - { .name = CONF_SAMPLERATE_CONVERTER, false, false }, - { .name = CONF_AUDIO_BUFFER_SIZE, false, false }, - { .name = CONF_BUFFER_BEFORE_PLAY, false, false }, - { .name = CONF_HTTP_PROXY_HOST, false, false }, - { .name = CONF_HTTP_PROXY_PORT, false, false }, - { .name = CONF_HTTP_PROXY_USER, false, false }, - { .name = CONF_HTTP_PROXY_PASSWORD, false, false }, - { .name = CONF_CONN_TIMEOUT, false, false }, - { .name = CONF_MAX_CONN, false, false }, - { .name = CONF_MAX_PLAYLIST_LENGTH, false, false }, - { .name = CONF_MAX_COMMAND_LIST_SIZE, false, false }, - { .name = CONF_MAX_OUTPUT_BUFFER_SIZE, false, false }, - { .name = CONF_FS_CHARSET, false, false }, - { .name = CONF_ID3V1_ENCODING, false, false }, - { .name = CONF_METADATA_TO_USE, false, false }, - { .name = CONF_SAVE_ABSOLUTE_PATHS, false, false }, - { .name = CONF_DECODER, true, true }, - { .name = CONF_INPUT, true, true }, - { .name = CONF_GAPLESS_MP3_PLAYBACK, false, false }, - { .name = CONF_PLAYLIST_PLUGIN, true, true }, - { .name = CONF_AUTO_UPDATE, false, false }, - { .name = CONF_AUTO_UPDATE_DEPTH, false, false }, - { .name = CONF_DESPOTIFY_USER, false, false }, - { .name = CONF_DESPOTIFY_PASSWORD, false, false}, - { .name = CONF_DESPOTIFY_HIGH_BITRATE, false, false }, - { .name = "filter", true, true }, -}; - -static bool -get_bool(const char *value, bool *value_r) -{ - static const char *t[] = { "yes", "true", "1", NULL }; - static const char *f[] = { "no", "false", "0", NULL }; - - if (string_array_contains(t, value)) { - *value_r = true; - return true; - } - - if (string_array_contains(f, value)) { - *value_r = false; - return true; - } - - return false; -} - -struct config_param * -config_new_param(const char *value, int line) -{ - struct config_param *ret = g_new(struct config_param, 1); - - if (!value) - ret->value = NULL; - else - ret->value = g_strdup(value); - - ret->line = line; - - ret->num_block_params = 0; - ret->block_params = NULL; - ret->used = false; - - return ret; -} - -void -config_param_free(struct config_param *param) -{ - g_free(param->value); - - for (unsigned i = 0; i < param->num_block_params; i++) { - g_free(param->block_params[i].name); - g_free(param->block_params[i].value); - } - - if (param->num_block_params) - g_free(param->block_params); - - g_free(param); -} - -static void -config_param_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data) -{ - struct config_param *param = data; - - config_param_free(param); -} - -static struct config_entry * -config_entry_get(const char *name) -{ - for (unsigned i = 0; i < G_N_ELEMENTS(config_entries); ++i) { - struct config_entry *entry = &config_entries[i]; - if (strcmp(entry->name, name) == 0) - return entry; - } - - return NULL; -} - -void config_global_finish(void) -{ - for (unsigned i = 0; i < G_N_ELEMENTS(config_entries); ++i) { - struct config_entry *entry = &config_entries[i]; - - g_slist_foreach(entry->params, - config_param_free_callback, NULL); - g_slist_free(entry->params); - } -} - -void config_global_init(void) -{ -} - -static void -config_param_check(gpointer data, G_GNUC_UNUSED gpointer user_data) -{ - struct config_param *param = data; - - if (!param->used) - /* this whole config_param was not queried at all - - the feature might be disabled at compile time? - Silently ignore it here. */ - return; - - for (unsigned i = 0; i < param->num_block_params; i++) { - struct block_param *bp = ¶m->block_params[i]; - - if (!bp->used) - g_warning("option '%s' on line %i was not recognized", - bp->name, bp->line); - } -} - -void config_global_check(void) -{ - for (unsigned i = 0; i < G_N_ELEMENTS(config_entries); ++i) { - struct config_entry *entry = &config_entries[i]; - - g_slist_foreach(entry->params, config_param_check, NULL); - } -} - -void -config_add_block_param(struct config_param * param, const char *name, - const char *value, int line) -{ - struct block_param *bp; - - assert(config_get_block_param(param, name) == NULL); - - param->num_block_params++; - - param->block_params = g_realloc(param->block_params, - param->num_block_params * - sizeof(param->block_params[0])); - - bp = ¶m->block_params[param->num_block_params - 1]; - - bp->name = g_strdup(name); - bp->value = g_strdup(value); - bp->line = line; - bp->used = false; -} - -static bool -config_read_name_value(struct config_param *param, char *input, unsigned line, - GError **error_r) -{ - const char *name = tokenizer_next_word(&input, error_r); - if (name == NULL) { - assert(*input != 0); - return false; - } - - const char *value = tokenizer_next_string(&input, error_r); - if (value == NULL) { - if (*input == 0) { - assert(error_r == NULL || *error_r == NULL); - g_set_error(error_r, config_quark(), 0, - "Value missing"); - } else { - assert(error_r == NULL || *error_r != NULL); - } - - return false; - } - - if (*input != 0 && *input != CONF_COMMENT) { - g_set_error(error_r, config_quark(), 0, - "Unknown tokens after value"); - return false; - } - - const struct block_param *bp = config_get_block_param(param, name); - if (bp != NULL) { - g_set_error(error_r, config_quark(), 0, - "\"%s\" is duplicate, first defined on line %i", - name, bp->line); - return false; - } - - config_add_block_param(param, name, value, line); - return true; -} - -static struct config_param * -config_read_block(FILE *fp, int *count, char *string, GError **error_r) -{ - struct config_param *ret = config_new_param(NULL, *count); - GError *error = NULL; - - while (true) { - char *line; - - line = fgets(string, MAX_STRING_SIZE, fp); - if (line == NULL) { - config_param_free(ret); - g_set_error(error_r, config_quark(), 0, - "Expected '}' before end-of-file"); - return NULL; - } - - (*count)++; - line = strchug_fast(line); - if (*line == 0 || *line == CONF_COMMENT) - continue; - - if (*line == '}') { - /* end of this block; return from the function - (and from this "while" loop) */ - - line = strchug_fast(line + 1); - if (*line != 0 && *line != CONF_COMMENT) { - config_param_free(ret); - g_set_error(error_r, config_quark(), 0, - "line %i: Unknown tokens after '}'", - *count); - return false; - } - - return ret; - } - - /* parse name and value */ - - if (!config_read_name_value(ret, line, *count, &error)) { - assert(*line != 0); - config_param_free(ret); - g_propagate_prefixed_error(error_r, error, - "line %i: ", *count); - return NULL; - } - } -} - -bool -config_read_file(const char *file, GError **error_r) -{ - FILE *fp; - char string[MAX_STRING_SIZE + 1]; - int count = 0; - struct config_entry *entry; - struct config_param *param; - - g_debug("loading file %s", file); - - if (!(fp = fopen(file, "r"))) { - g_set_error(error_r, config_quark(), errno, - "Failed to open %s: %s", - file, g_strerror(errno)); - return false; - } - - while (fgets(string, MAX_STRING_SIZE, fp)) { - char *line; - const char *name, *value; - GError *error = NULL; - - count++; - - line = strchug_fast(string); - if (*line == 0 || *line == CONF_COMMENT) - continue; - - /* the first token in each line is the name, followed - by either the value or '{' */ - - name = tokenizer_next_word(&line, &error); - if (name == NULL) { - assert(*line != 0); - g_propagate_prefixed_error(error_r, error, - "line %i: ", count); - fclose(fp); - return false; - } - - /* get the definition of that option, and check the - "repeatable" flag */ - - entry = config_entry_get(name); - if (entry == NULL) { - g_set_error(error_r, config_quark(), 0, - "unrecognized parameter in config file at " - "line %i: %s\n", count, name); - fclose(fp); - return false; - } - - if (entry->params != NULL && !entry->repeatable) { - param = entry->params->data; - g_set_error(error_r, config_quark(), 0, - "config parameter \"%s\" is first defined " - "on line %i and redefined on line %i\n", - name, param->line, count); - fclose(fp); - return false; - } - - /* now parse the block or the value */ - - if (entry->block) { - /* it's a block, call config_read_block() */ - - if (*line != '{') { - g_set_error(error_r, config_quark(), 0, - "line %i: '{' expected", count); - fclose(fp); - return false; - } - - line = strchug_fast(line + 1); - if (*line != 0 && *line != CONF_COMMENT) { - g_set_error(error_r, config_quark(), 0, - "line %i: Unknown tokens after '{'", - count); - fclose(fp); - return false; - } - - param = config_read_block(fp, &count, string, error_r); - if (param == NULL) { - fclose(fp); - return false; - } - } else { - /* a string value */ - - value = tokenizer_next_string(&line, &error); - if (value == NULL) { - if (*line == 0) - g_set_error(error_r, config_quark(), 0, - "line %i: Value missing", - count); - else { - g_set_error(error_r, config_quark(), 0, - "line %i: %s", count, - error->message); - g_error_free(error); - } - - fclose(fp); - return false; - } - - if (*line != 0 && *line != CONF_COMMENT) { - g_set_error(error_r, config_quark(), 0, - "line %i: Unknown tokens after value", - count); - fclose(fp); - return false; - } - - param = config_new_param(value, count); - } - - entry->params = g_slist_append(entry->params, param); - } - fclose(fp); - - return true; -} - -const struct config_param * -config_get_next_param(const char *name, const struct config_param * last) -{ - struct config_entry *entry; - GSList *node; - struct config_param *param; - - entry = config_entry_get(name); - if (entry == NULL) - return NULL; - - node = entry->params; - - if (last) { - node = g_slist_find(node, last); - if (node == NULL) - return NULL; - - node = g_slist_next(node); - } - - if (node == NULL) - return NULL; - - param = node->data; - param->used = true; - return param; -} - -const char * -config_get_string(const char *name, const char *default_value) -{ - const struct config_param *param = config_get_param(name); - - if (param == NULL) - return default_value; - - return param->value; -} - -char * -config_dup_path(const char *name, GError **error_r) -{ - assert(error_r != NULL); - assert(*error_r == NULL); - - const struct config_param *param = config_get_param(name); - if (param == NULL) - return NULL; - - char *path = parsePath(param->value, error_r); - if (G_UNLIKELY(path == NULL)) - g_prefix_error(error_r, - "Invalid path in \"%s\" at line %i: ", - name, param->line); - - return path; -} - -unsigned -config_get_unsigned(const char *name, unsigned default_value) -{ - const struct config_param *param = config_get_param(name); - long value; - char *endptr; - - if (param == NULL) - return default_value; - - value = strtol(param->value, &endptr, 0); - if (*endptr != 0 || value < 0) - MPD_ERROR("Not a valid non-negative number in line %i", - param->line); - - return (unsigned)value; -} - -unsigned -config_get_positive(const char *name, unsigned default_value) -{ - const struct config_param *param = config_get_param(name); - long value; - char *endptr; - - if (param == NULL) - return default_value; - - value = strtol(param->value, &endptr, 0); - if (*endptr != 0) - MPD_ERROR("Not a valid number in line %i", param->line); - - if (value <= 0) - MPD_ERROR("Not a positive number in line %i", param->line); - - return (unsigned)value; -} - -const struct block_param * -config_get_block_param(const struct config_param * param, const char *name) -{ - if (param == NULL) - return NULL; - - for (unsigned i = 0; i < param->num_block_params; i++) { - if (0 == strcmp(name, param->block_params[i].name)) { - struct block_param *bp = ¶m->block_params[i]; - bp->used = true; - return bp; - } - } - - return NULL; -} - -bool config_get_bool(const char *name, bool default_value) -{ - const struct config_param *param = config_get_param(name); - bool success, value; - - if (param == NULL) - return default_value; - - success = get_bool(param->value, &value); - if (!success) - MPD_ERROR("%s is not a boolean value (yes, true, 1) or " - "(no, false, 0) on line %i\n", - name, param->line); - - return value; -} - -const char * -config_get_block_string(const struct config_param *param, const char *name, - const char *default_value) -{ - const struct block_param *bp = config_get_block_param(param, name); - - if (bp == NULL) - return default_value; - - return bp->value; -} - -char * -config_dup_block_path(const struct config_param *param, const char *name, - GError **error_r) -{ - assert(error_r != NULL); - assert(*error_r == NULL); - - const struct block_param *bp = config_get_block_param(param, name); - if (bp == NULL) - return NULL; - - char *path = parsePath(bp->value, error_r); - if (G_UNLIKELY(path == NULL)) - g_prefix_error(error_r, - "Invalid path in \"%s\" at line %i: ", - name, bp->line); - - return path; -} - -unsigned -config_get_block_unsigned(const struct config_param *param, const char *name, - unsigned default_value) -{ - const struct block_param *bp = config_get_block_param(param, name); - long value; - char *endptr; - - if (bp == NULL) - return default_value; - - value = strtol(bp->value, &endptr, 0); - if (*endptr != 0) - MPD_ERROR("Not a valid number in line %i", bp->line); - - if (value < 0) - MPD_ERROR("Not a positive number in line %i", bp->line); - - return (unsigned)value; -} - -bool -config_get_block_bool(const struct config_param *param, const char *name, - bool default_value) -{ - const struct block_param *bp = config_get_block_param(param, name); - bool success, value; - - if (bp == NULL) - return default_value; - - success = get_bool(bp->value, &value); - if (!success) - MPD_ERROR("%s is not a boolean value (yes, true, 1) or " - "(no, false, 0) on line %i\n", - name, bp->line); - - return value; -} |