diff options
Diffstat (limited to 'src/command.c')
| -rw-r--r-- | src/command.c | 2302 |
1 files changed, 0 insertions, 2302 deletions
diff --git a/src/command.c b/src/command.c deleted file mode 100644 index b3318c68b..000000000 --- a/src/command.c +++ /dev/null @@ -1,2302 +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 "command.h" -#include "protocol/argparser.h" -#include "protocol/result.h" -#include "player_control.h" -#include "playlist.h" -#include "playlist_print.h" -#include "playlist_save.h" -#include "playlist_queue.h" -#include "playlist_error.h" -#include "queue_print.h" -#include "ls.h" -#include "uri.h" -#include "decoder_print.h" -#include "directory.h" -#include "database.h" -#include "update.h" -#include "volume.h" -#include "stats.h" -#include "permission.h" -#include "tokenizer.h" -#include "stored_playlist.h" -#include "ack.h" -#include "output_command.h" -#include "output_print.h" -#include "locate.h" -#include "dbUtils.h" -#include "db_error.h" -#include "db_print.h" -#include "db_selection.h" -#include "db_lock.h" -#include "tag.h" -#include "client.h" -#include "client_idle.h" -#include "client_internal.h" -#include "client_subscribe.h" -#include "client_file.h" -#include "tag_print.h" -#include "path.h" -#include "replay_gain_config.h" -#include "idle.h" -#include "mapper.h" -#include "song.h" -#include "song_print.h" - -#ifdef ENABLE_SQLITE -#include "sticker.h" -#include "sticker_print.h" -#include "song_sticker.h" -#endif - -#include <assert.h> -#include <time.h> -#include <stdlib.h> -#include <errno.h> - -#define COMMAND_STATUS_STATE "state" -#define COMMAND_STATUS_REPEAT "repeat" -#define COMMAND_STATUS_SINGLE "single" -#define COMMAND_STATUS_CONSUME "consume" -#define COMMAND_STATUS_RANDOM "random" -#define COMMAND_STATUS_PLAYLIST "playlist" -#define COMMAND_STATUS_PLAYLIST_LENGTH "playlistlength" -#define COMMAND_STATUS_SONG "song" -#define COMMAND_STATUS_SONGID "songid" -#define COMMAND_STATUS_NEXTSONG "nextsong" -#define COMMAND_STATUS_NEXTSONGID "nextsongid" -#define COMMAND_STATUS_TIME "time" -#define COMMAND_STATUS_BITRATE "bitrate" -#define COMMAND_STATUS_ERROR "error" -#define COMMAND_STATUS_CROSSFADE "xfade" -#define COMMAND_STATUS_MIXRAMPDB "mixrampdb" -#define COMMAND_STATUS_MIXRAMPDELAY "mixrampdelay" -#define COMMAND_STATUS_AUDIO "audio" -#define COMMAND_STATUS_UPDATING_DB "updating_db" - -/* - * The most we ever use is for search/find, and that limits it to the - * number of tags we can have. Add one for the command, and one extra - * to catch errors clients may send us - */ -#define COMMAND_ARGV_MAX (2+(TAG_NUM_OF_ITEM_TYPES*2)) - -/* if min: -1 don't check args * - * if max: -1 no max args */ -struct command { - const char *cmd; - unsigned permission; - int min; - int max; - enum command_return (*handler)(struct client *client, int argc, char **argv); -}; - -static enum command_return -print_playlist_result(struct client *client, - enum playlist_result result) -{ - switch (result) { - case PLAYLIST_RESULT_SUCCESS: - return COMMAND_RETURN_OK; - - case PLAYLIST_RESULT_ERRNO: - command_error(client, ACK_ERROR_SYSTEM, "%s", - g_strerror(errno)); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_DENIED: - command_error(client, ACK_ERROR_PERMISSION, "Access denied"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_NO_SUCH_SONG: - command_error(client, ACK_ERROR_NO_EXIST, "No such song"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_NO_SUCH_LIST: - command_error(client, ACK_ERROR_NO_EXIST, "No such playlist"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_LIST_EXISTS: - command_error(client, ACK_ERROR_EXIST, - "Playlist already exists"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_BAD_NAME: - command_error(client, ACK_ERROR_ARG, - "playlist name is invalid: " - "playlist names may not contain slashes," - " newlines or carriage returns"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_BAD_RANGE: - command_error(client, ACK_ERROR_ARG, "Bad song index"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_NOT_PLAYING: - command_error(client, ACK_ERROR_PLAYER_SYNC, "Not playing"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_TOO_LARGE: - command_error(client, ACK_ERROR_PLAYLIST_MAX, - "playlist is at the max size"); - return COMMAND_RETURN_ERROR; - - case PLAYLIST_RESULT_DISABLED: - command_error(client, ACK_ERROR_UNKNOWN, - "stored playlist support is disabled"); - return COMMAND_RETURN_ERROR; - } - - assert(0); - return COMMAND_RETURN_ERROR; -} - -/** - * Send the GError to the client and free the GError. - */ -static enum command_return -print_error(struct client *client, GError *error) -{ - assert(client != NULL); - assert(error != NULL); - - g_warning("%s", error->message); - - if (error->domain == playlist_quark()) { - enum playlist_result result = error->code; - g_error_free(error); - return print_playlist_result(client, result); - } else if (error->domain == ack_quark()) { - command_error(client, error->code, "%s", error->message); - g_error_free(error); - return COMMAND_RETURN_ERROR; - } else if (error->domain == db_quark()) { - switch ((enum db_error)error->code) { - case DB_DISABLED: - command_error(client, ACK_ERROR_NO_EXIST, "%s", - error->message); - g_error_free(error); - return COMMAND_RETURN_ERROR; - - case DB_NOT_FOUND: - g_error_free(error); - command_error(client, ACK_ERROR_NO_EXIST, "Not found"); - return COMMAND_RETURN_ERROR; - } - } else if (error->domain == g_file_error_quark()) { - command_error(client, ACK_ERROR_SYSTEM, "%s", - g_strerror(error->code)); - g_error_free(error); - return COMMAND_RETURN_ERROR; - } - - g_error_free(error); - command_error(client, ACK_ERROR_UNKNOWN, "error"); - return COMMAND_RETURN_ERROR; -} - -static void -print_spl_list(struct client *client, GPtrArray *list) -{ - for (unsigned i = 0; i < list->len; ++i) { - struct stored_playlist_info *playlist = - g_ptr_array_index(list, i); - time_t t; -#ifndef WIN32 - struct tm tm; -#endif - char timestamp[32]; - - client_printf(client, "playlist: %s\n", playlist->name); - - t = playlist->mtime; - strftime(timestamp, sizeof(timestamp), -#ifdef G_OS_WIN32 - "%Y-%m-%dT%H:%M:%SZ", - gmtime(&t) -#else - "%FT%TZ", - gmtime_r(&t, &tm) -#endif - ); - client_printf(client, "Last-Modified: %s\n", timestamp); - } -} - -static enum command_return -handle_urlhandlers(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - if (client_is_local(client)) - client_puts(client, "handler: file://\n"); - print_supported_uri_schemes(client); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_decoders(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - decoder_list_print(client); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_tagtypes(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - tag_print_types(client); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_play(struct client *client, int argc, char *argv[]) -{ - int song = -1; - enum playlist_result result; - - if (argc == 2 && !check_int(client, &song, argv[1])) - return COMMAND_RETURN_ERROR; - result = playlist_play(&g_playlist, client->player_control, song); - return print_playlist_result(client, result); -} - -static enum command_return -handle_playid(struct client *client, int argc, char *argv[]) -{ - int id = -1; - enum playlist_result result; - - if (argc == 2 && !check_int(client, &id, argv[1])) - return COMMAND_RETURN_ERROR; - - result = playlist_play_id(&g_playlist, client->player_control, id); - return print_playlist_result(client, result); -} - -static enum command_return -handle_stop(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - playlist_stop(&g_playlist, client->player_control); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_currentsong(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - playlist_print_current(client, &g_playlist); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_pause(struct client *client, - int argc, char *argv[]) -{ - if (argc == 2) { - bool pause_flag; - if (!check_bool(client, &pause_flag, argv[1])) - return COMMAND_RETURN_ERROR; - - pc_set_pause(client->player_control, pause_flag); - } else - pc_pause(client->player_control); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_status(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - const char *state = NULL; - struct player_status player_status; - int updateJobId; - char *error; - int song; - - pc_get_status(client->player_control, &player_status); - - switch (player_status.state) { - case PLAYER_STATE_STOP: - state = "stop"; - break; - case PLAYER_STATE_PAUSE: - state = "pause"; - break; - case PLAYER_STATE_PLAY: - state = "play"; - break; - } - - client_printf(client, - "volume: %i\n" - COMMAND_STATUS_REPEAT ": %i\n" - COMMAND_STATUS_RANDOM ": %i\n" - COMMAND_STATUS_SINGLE ": %i\n" - COMMAND_STATUS_CONSUME ": %i\n" - COMMAND_STATUS_PLAYLIST ": %li\n" - COMMAND_STATUS_PLAYLIST_LENGTH ": %i\n" - COMMAND_STATUS_CROSSFADE ": %i\n" - COMMAND_STATUS_MIXRAMPDB ": %f\n" - COMMAND_STATUS_MIXRAMPDELAY ": %f\n" - COMMAND_STATUS_STATE ": %s\n", - volume_level_get(), - playlist_get_repeat(&g_playlist), - playlist_get_random(&g_playlist), - playlist_get_single(&g_playlist), - playlist_get_consume(&g_playlist), - playlist_get_version(&g_playlist), - playlist_get_length(&g_playlist), - (int)(pc_get_cross_fade(client->player_control) + 0.5), - pc_get_mixramp_db(client->player_control), - pc_get_mixramp_delay(client->player_control), - state); - - song = playlist_get_current_song(&g_playlist); - if (song >= 0) { - client_printf(client, - COMMAND_STATUS_SONG ": %i\n" - COMMAND_STATUS_SONGID ": %u\n", - song, playlist_get_song_id(&g_playlist, song)); - } - - if (player_status.state != PLAYER_STATE_STOP) { - client_printf(client, - COMMAND_STATUS_TIME ": %i:%i\n" - "elapsed: %1.3f\n" - COMMAND_STATUS_BITRATE ": %u\n", - (int)(player_status.elapsed_time + 0.5), - (int)(player_status.total_time + 0.5), - player_status.elapsed_time, - player_status.bit_rate); - - if (audio_format_defined(&player_status.audio_format)) { - struct audio_format_string af_string; - - client_printf(client, - COMMAND_STATUS_AUDIO ": %s\n", - audio_format_to_string(&player_status.audio_format, - &af_string)); - } - } - - if ((updateJobId = isUpdatingDB())) { - client_printf(client, - COMMAND_STATUS_UPDATING_DB ": %i\n", - updateJobId); - } - - error = pc_get_error_message(client->player_control); - if (error != NULL) { - client_printf(client, - COMMAND_STATUS_ERROR ": %s\n", - error); - g_free(error); - } - - song = playlist_get_next_song(&g_playlist); - if (song >= 0) { - client_printf(client, - COMMAND_STATUS_NEXTSONG ": %i\n" - COMMAND_STATUS_NEXTSONGID ": %u\n", - song, playlist_get_song_id(&g_playlist, song)); - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_kill(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - return COMMAND_RETURN_KILL; -} - -static enum command_return -handle_close(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - return COMMAND_RETURN_CLOSE; -} - -static enum command_return -handle_add(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - char *uri = argv[1]; - enum playlist_result result; - - if (strncmp(uri, "file:///", 8) == 0) { - const char *path = uri + 7; - - GError *error = NULL; - if (!client_allow_file(client, path, &error)) - return print_error(client, error); - - result = playlist_append_file(&g_playlist, - client->player_control, - path, - NULL); - return print_playlist_result(client, result); - } - - if (uri_has_scheme(uri)) { - if (!uri_supported_scheme(uri)) { - command_error(client, ACK_ERROR_NO_EXIST, - "unsupported URI scheme"); - return COMMAND_RETURN_ERROR; - } - - result = playlist_append_uri(&g_playlist, - client->player_control, - uri, NULL); - return print_playlist_result(client, result); - } - - GError *error = NULL; - return addAllIn(client->player_control, uri, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_addid(struct client *client, int argc, char *argv[]) -{ - char *uri = argv[1]; - unsigned added_id; - enum playlist_result result; - - if (strncmp(uri, "file:///", 8) == 0) { - const char *path = uri + 7; - - GError *error = NULL; - if (!client_allow_file(client, path, &error)) - return print_error(client, error); - - result = playlist_append_file(&g_playlist, - client->player_control, - path, - &added_id); - } else { - if (uri_has_scheme(uri) && !uri_supported_scheme(uri)) { - command_error(client, ACK_ERROR_NO_EXIST, - "unsupported URI scheme"); - return COMMAND_RETURN_ERROR; - } - - result = playlist_append_uri(&g_playlist, - client->player_control, - uri, &added_id); - } - - if (result != PLAYLIST_RESULT_SUCCESS) - return print_playlist_result(client, result); - - if (argc == 3) { - unsigned to; - if (!check_unsigned(client, &to, argv[2])) - return COMMAND_RETURN_ERROR; - result = playlist_move_id(&g_playlist, client->player_control, - added_id, to); - if (result != PLAYLIST_RESULT_SUCCESS) { - enum command_return ret = - print_playlist_result(client, result); - playlist_delete_id(&g_playlist, client->player_control, - added_id); - return ret; - } - } - - client_printf(client, "Id: %u\n", added_id); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_delete(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned start, end; - enum playlist_result result; - - if (!check_range(client, &start, &end, argv[1])) - return COMMAND_RETURN_ERROR; - - result = playlist_delete_range(&g_playlist, client->player_control, - start, end); - return print_playlist_result(client, result); -} - -static enum command_return -handle_deleteid(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned id; - enum playlist_result result; - - if (!check_unsigned(client, &id, argv[1])) - return COMMAND_RETURN_ERROR; - - result = playlist_delete_id(&g_playlist, client->player_control, id); - return print_playlist_result(client, result); -} - -static enum command_return -handle_playlist(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - playlist_print_uris(client, &g_playlist); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_shuffle(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - unsigned start = 0, end = queue_length(&g_playlist.queue); - if (argc == 2 && !check_range(client, &start, &end, argv[1])) - return COMMAND_RETURN_ERROR; - - playlist_shuffle(&g_playlist, client->player_control, start, end); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_clear(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - playlist_clear(&g_playlist, client->player_control); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_save(struct client *client, - G_GNUC_UNUSED int argc, char *argv[]) -{ - enum playlist_result result; - - result = spl_save_playlist(argv[1], &g_playlist); - return print_playlist_result(client, result); -} - -static enum command_return -handle_load(struct client *client, int argc, char *argv[]) -{ - unsigned start_index, end_index; - - if (argc < 3) { - start_index = 0; - end_index = G_MAXUINT; - } else if (!check_range(client, &start_index, &end_index, argv[2])) - return COMMAND_RETURN_ERROR; - - enum playlist_result result; - - result = playlist_open_into_queue(argv[1], - start_index, end_index, - &g_playlist, - client->player_control, true); - if (result != PLAYLIST_RESULT_NO_SUCH_LIST) - return print_playlist_result(client, result); - - GError *error = NULL; - if (playlist_load_spl(&g_playlist, client->player_control, - argv[1], start_index, end_index, - &error)) - return COMMAND_RETURN_OK; - - if (error->domain == playlist_quark() && - error->code == PLAYLIST_RESULT_BAD_NAME) - /* the message for BAD_NAME is confusing when the - client wants to load a playlist file from the music - directory; patch the GError object to show "no such - playlist" instead */ - error->code = PLAYLIST_RESULT_NO_SUCH_LIST; - - return print_error(client, error); -} - -static enum command_return -handle_listplaylist(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - if (playlist_file_print(client, argv[1], false)) - return COMMAND_RETURN_OK; - - GError *error = NULL; - return spl_print(client, argv[1], false, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_listplaylistinfo(struct client *client, - G_GNUC_UNUSED int argc, char *argv[]) -{ - if (playlist_file_print(client, argv[1], true)) - return COMMAND_RETURN_OK; - - GError *error = NULL; - return spl_print(client, argv[1], true, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_lsinfo(struct client *client, int argc, char *argv[]) -{ - const char *uri; - - if (argc == 2) - uri = argv[1]; - else - /* default is root directory */ - uri = ""; - - if (strncmp(uri, "file:///", 8) == 0) { - /* print information about an arbitrary local file */ - const char *path = uri + 7; - - GError *error = NULL; - if (!client_allow_file(client, path, &error)) - return print_error(client, error); - - struct song *song = song_file_load(path, NULL); - if (song == NULL) { - command_error(client, ACK_ERROR_NO_EXIST, - "No such file"); - return COMMAND_RETURN_ERROR; - } - - song_print_info(client, song); - song_free(song); - return COMMAND_RETURN_OK; - } - - struct db_selection selection; - db_selection_init(&selection, uri, false); - - GError *error = NULL; - if (!db_selection_print(client, &selection, true, &error)) - return print_error(client, error); - - if (isRootDirectory(uri)) { - GPtrArray *list = spl_list(NULL); - if (list != NULL) { - print_spl_list(client, list); - spl_list_free(list); - } - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_rm(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - GError *error = NULL; - return spl_delete(argv[1], &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_rename(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - GError *error = NULL; - return spl_rename(argv[1], argv[2], &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_plchanges(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - uint32_t version; - - if (!check_uint32(client, &version, argv[1])) - return COMMAND_RETURN_ERROR; - - playlist_print_changes_info(client, &g_playlist, version); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_plchangesposid(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - uint32_t version; - - if (!check_uint32(client, &version, argv[1])) - return COMMAND_RETURN_ERROR; - - playlist_print_changes_position(client, &g_playlist, version); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_playlistinfo(struct client *client, int argc, char *argv[]) -{ - unsigned start = 0, end = G_MAXUINT; - bool ret; - - if (argc == 2 && !check_range(client, &start, &end, argv[1])) - return COMMAND_RETURN_ERROR; - - ret = playlist_print_info(client, &g_playlist, start, end); - if (!ret) - return print_playlist_result(client, - PLAYLIST_RESULT_BAD_RANGE); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_playlistid(struct client *client, int argc, char *argv[]) -{ - if (argc >= 2) { - unsigned id; - if (!check_unsigned(client, &id, argv[1])) - return COMMAND_RETURN_ERROR; - - bool ret = playlist_print_id(client, &g_playlist, id); - if (!ret) - return print_playlist_result(client, - PLAYLIST_RESULT_NO_SUCH_SONG); - } else { - playlist_print_info(client, &g_playlist, 0, G_MAXUINT); - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_find(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *list = - locate_item_list_parse(argv + 1, argc - 1); - - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - GError *error = NULL; - enum command_return ret = findSongsIn(client, "", list, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); - - locate_item_list_free(list); - - return ret; -} - -static enum command_return -handle_findadd(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *list = - locate_item_list_parse(argv + 1, argc - 1); - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - GError *error = NULL; - enum command_return ret = - findAddIn(client->player_control, "", list, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); - - locate_item_list_free(list); - - return ret; -} - -static enum command_return -handle_search(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *list = - locate_item_list_parse(argv + 1, argc - 1); - - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - GError *error = NULL; - enum command_return ret = searchForSongsIn(client, "", list, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); - - locate_item_list_free(list); - - return ret; -} - -static enum command_return -handle_searchadd(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *list = - locate_item_list_parse(argv + 1, argc - 1); - - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - GError *error = NULL; - enum command_return ret = search_add_songs(client->player_control, - "", list, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); - - locate_item_list_free(list); - - return ret; -} - -static enum command_return -handle_searchaddpl(struct client *client, int argc, char *argv[]) -{ - const char *playlist = argv[1]; - - struct locate_item_list *list = - locate_item_list_parse(argv + 2, argc - 2); - - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - GError *error = NULL; - enum command_return ret = - search_add_to_playlist("", playlist, list, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); - - locate_item_list_free(list); - - return ret; -} - -static enum command_return -handle_count(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *list = - locate_item_list_parse(argv + 1, argc - 1); - - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - GError *error = NULL; - enum command_return ret = - searchStatsForSongsIn(client, "", list, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); - - locate_item_list_free(list); - - return ret; -} - -static enum command_return -handle_playlistfind(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *list = - locate_item_list_parse(argv + 1, argc - 1); - - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - playlist_print_find(client, &g_playlist, list); - - locate_item_list_free(list); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_playlistsearch(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *list = - locate_item_list_parse(argv + 1, argc - 1); - - if (list == NULL || list->length == 0) { - if (list != NULL) - locate_item_list_free(list); - - command_error(client, ACK_ERROR_ARG, "incorrect arguments"); - return COMMAND_RETURN_ERROR; - } - - playlist_print_search(client, &g_playlist, list); - - locate_item_list_free(list); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_playlistdelete(struct client *client, - G_GNUC_UNUSED int argc, char *argv[]) { - char *playlist = argv[1]; - unsigned from; - - if (!check_unsigned(client, &from, argv[2])) - return COMMAND_RETURN_ERROR; - - GError *error = NULL; - return spl_remove_index(playlist, from, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_playlistmove(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - char *playlist = argv[1]; - unsigned from, to; - - if (!check_unsigned(client, &from, argv[2])) - return COMMAND_RETURN_ERROR; - if (!check_unsigned(client, &to, argv[3])) - return COMMAND_RETURN_ERROR; - - GError *error = NULL; - return spl_move_index(playlist, from, to, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_update(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - const char *path = NULL; - unsigned ret; - - assert(argc <= 2); - if (argc == 2) { - path = argv[1]; - - if (*path == 0 || strcmp(path, "/") == 0) - /* backwards compatibility with MPD 0.15 */ - path = NULL; - else if (!uri_safe_local(path)) { - command_error(client, ACK_ERROR_ARG, - "Malformed path"); - return COMMAND_RETURN_ERROR; - } - } - - ret = update_enqueue(path, false); - if (ret > 0) { - client_printf(client, "updating_db: %i\n", ret); - return COMMAND_RETURN_OK; - } else { - command_error(client, ACK_ERROR_UPDATE_ALREADY, - "already updating"); - return COMMAND_RETURN_ERROR; - } -} - -static enum command_return -handle_rescan(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - const char *path = NULL; - unsigned ret; - - assert(argc <= 2); - if (argc == 2) { - path = argv[1]; - - if (!uri_safe_local(path)) { - command_error(client, ACK_ERROR_ARG, - "Malformed path"); - return COMMAND_RETURN_ERROR; - } - } - - ret = update_enqueue(path, true); - if (ret > 0) { - client_printf(client, "updating_db: %i\n", ret); - return COMMAND_RETURN_OK; - } else { - command_error(client, ACK_ERROR_UPDATE_ALREADY, - "already updating"); - return COMMAND_RETURN_ERROR; - } -} - -static enum command_return -handle_next(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - /* single mode is not considered when this is user who - * wants to change song. */ - const bool single = g_playlist.queue.single; - g_playlist.queue.single = false; - - playlist_next(&g_playlist, client->player_control); - - g_playlist.queue.single = single; - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_previous(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - playlist_previous(&g_playlist, client->player_control); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_prio(struct client *client, int argc, char *argv[]) -{ - unsigned priority; - - if (!check_unsigned(client, &priority, argv[1])) - return COMMAND_RETURN_ERROR; - - if (priority > 0xff) { - command_error(client, ACK_ERROR_ARG, - "Priority out of range: %s", argv[1]); - return COMMAND_RETURN_ERROR; - } - - for (int i = 2; i < argc; ++i) { - unsigned start_position, end_position; - if (!check_range(client, &start_position, &end_position, - argv[i])) - return COMMAND_RETURN_ERROR; - - enum playlist_result result = - playlist_set_priority(&g_playlist, - client->player_control, - start_position, end_position, - priority); - if (result != PLAYLIST_RESULT_SUCCESS) - return print_playlist_result(client, result); - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_prioid(struct client *client, int argc, char *argv[]) -{ - unsigned priority; - - if (!check_unsigned(client, &priority, argv[1])) - return COMMAND_RETURN_ERROR; - - if (priority > 0xff) { - command_error(client, ACK_ERROR_ARG, - "Priority out of range: %s", argv[1]); - return COMMAND_RETURN_ERROR; - } - - for (int i = 2; i < argc; ++i) { - unsigned song_id; - if (!check_unsigned(client, &song_id, argv[i])) - return COMMAND_RETURN_ERROR; - - enum playlist_result result = - playlist_set_priority_id(&g_playlist, - client->player_control, - song_id, priority); - if (result != PLAYLIST_RESULT_SUCCESS) - return print_playlist_result(client, result); - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_listall(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - const char *directory = ""; - - if (argc == 2) - directory = argv[1]; - - GError *error = NULL; - return printAllIn(client, directory, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_setvol(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned level; - bool success; - - if (!check_unsigned(client, &level, argv[1])) - return COMMAND_RETURN_ERROR; - - if (level > 100) { - command_error(client, ACK_ERROR_ARG, "Invalid volume value"); - return COMMAND_RETURN_ERROR; - } - - success = volume_level_change(level); - if (!success) { - command_error(client, ACK_ERROR_SYSTEM, - "problems setting volume"); - return COMMAND_RETURN_ERROR; - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_repeat(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - bool status; - if (!check_bool(client, &status, argv[1])) - return COMMAND_RETURN_ERROR; - - playlist_set_repeat(&g_playlist, client->player_control, status); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_single(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - bool status; - if (!check_bool(client, &status, argv[1])) - return COMMAND_RETURN_ERROR; - - playlist_set_single(&g_playlist, client->player_control, status); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_consume(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - bool status; - if (!check_bool(client, &status, argv[1])) - return COMMAND_RETURN_ERROR; - - playlist_set_consume(&g_playlist, status); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_random(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - bool status; - if (!check_bool(client, &status, argv[1])) - return COMMAND_RETURN_ERROR; - - playlist_set_random(&g_playlist, client->player_control, status); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_stats(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - return stats_print(client); -} - -static enum command_return -handle_clearerror(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - pc_clear_error(client->player_control); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_list(struct client *client, int argc, char *argv[]) -{ - struct locate_item_list *conditionals; - int tagType = locate_parse_type(argv[1]); - - if (tagType < 0) { - command_error(client, ACK_ERROR_ARG, "\"%s\" is not known", argv[1]); - return COMMAND_RETURN_ERROR; - } - - if (tagType == LOCATE_TAG_ANY_TYPE) { - command_error(client, ACK_ERROR_ARG, - "\"any\" is not a valid return tag type"); - return COMMAND_RETURN_ERROR; - } - - /* for compatibility with < 0.12.0 */ - if (argc == 3) { - if (tagType != TAG_ALBUM) { - command_error(client, ACK_ERROR_ARG, - "should be \"%s\" for 3 arguments", - tag_item_names[TAG_ALBUM]); - return COMMAND_RETURN_ERROR; - } - - locate_item_list_parse(argv + 1, argc - 1); - - conditionals = locate_item_list_new(1); - conditionals->items[0].tag = TAG_ARTIST; - conditionals->items[0].needle = g_strdup(argv[2]); - } else { - conditionals = - locate_item_list_parse(argv + 2, argc - 2); - if (conditionals == NULL) { - command_error(client, ACK_ERROR_ARG, - "not able to parse args"); - return COMMAND_RETURN_ERROR; - } - } - - GError *error = NULL; - enum command_return ret = - listAllUniqueTags(client, tagType, conditionals, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); - - locate_item_list_free(conditionals); - - return ret; -} - -static enum command_return -handle_move(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned start, end; - int to; - enum playlist_result result; - - if (!check_range(client, &start, &end, argv[1])) - return COMMAND_RETURN_ERROR; - if (!check_int(client, &to, argv[2])) - return COMMAND_RETURN_ERROR; - result = playlist_move_range(&g_playlist, client->player_control, - start, end, to); - return print_playlist_result(client, result); -} - -static enum command_return -handle_moveid(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned id; - int to; - enum playlist_result result; - - if (!check_unsigned(client, &id, argv[1])) - return COMMAND_RETURN_ERROR; - if (!check_int(client, &to, argv[2])) - return COMMAND_RETURN_ERROR; - result = playlist_move_id(&g_playlist, client->player_control, - id, to); - return print_playlist_result(client, result); -} - -static enum command_return -handle_swap(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned song1, song2; - enum playlist_result result; - - if (!check_unsigned(client, &song1, argv[1])) - return COMMAND_RETURN_ERROR; - if (!check_unsigned(client, &song2, argv[2])) - return COMMAND_RETURN_ERROR; - result = playlist_swap_songs(&g_playlist, client->player_control, - song1, song2); - return print_playlist_result(client, result); -} - -static enum command_return -handle_swapid(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned id1, id2; - enum playlist_result result; - - if (!check_unsigned(client, &id1, argv[1])) - return COMMAND_RETURN_ERROR; - if (!check_unsigned(client, &id2, argv[2])) - return COMMAND_RETURN_ERROR; - result = playlist_swap_songs_id(&g_playlist, client->player_control, - id1, id2); - return print_playlist_result(client, result); -} - -static enum command_return -handle_seek(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned song, seek_time; - enum playlist_result result; - - if (!check_unsigned(client, &song, argv[1])) - return COMMAND_RETURN_ERROR; - if (!check_unsigned(client, &seek_time, argv[2])) - return COMMAND_RETURN_ERROR; - - result = playlist_seek_song(&g_playlist, client->player_control, - song, seek_time); - return print_playlist_result(client, result); -} - -static enum command_return -handle_seekid(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned id, seek_time; - enum playlist_result result; - - if (!check_unsigned(client, &id, argv[1])) - return COMMAND_RETURN_ERROR; - if (!check_unsigned(client, &seek_time, argv[2])) - return COMMAND_RETURN_ERROR; - - result = playlist_seek_song_id(&g_playlist, client->player_control, - id, seek_time); - return print_playlist_result(client, result); -} - -static enum command_return -handle_seekcur(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - const char *p = argv[1]; - bool relative = *p == '+' || *p == '-'; - int seek_time; - if (!check_int(client, &seek_time, p)) - return COMMAND_RETURN_ERROR; - - enum playlist_result result = - playlist_seek_current(&g_playlist, client->player_control, - seek_time, relative); - return print_playlist_result(client, result); -} - -static enum command_return -handle_listallinfo(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - const char *directory = ""; - - if (argc == 2) - directory = argv[1]; - - GError *error = NULL; - return printInfoForAllIn(client, directory, &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_ping(G_GNUC_UNUSED struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_password(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned permission = 0; - - if (getPermissionFromPassword(argv[1], &permission) < 0) { - command_error(client, ACK_ERROR_PASSWORD, "incorrect password"); - return COMMAND_RETURN_ERROR; - } - - client_set_permission(client, permission); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_crossfade(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned xfade_time; - - if (!check_unsigned(client, &xfade_time, argv[1])) - return COMMAND_RETURN_ERROR; - pc_set_cross_fade(client->player_control, xfade_time); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_mixrampdb(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - float db; - - if (!check_float(client, &db, argv[1])) - return COMMAND_RETURN_ERROR; - pc_set_mixramp_db(client->player_control, db); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_mixrampdelay(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - float delay_secs; - - if (!check_float(client, &delay_secs, argv[1])) - return COMMAND_RETURN_ERROR; - pc_set_mixramp_delay(client->player_control, delay_secs); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_enableoutput(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned device; - bool ret; - - if (!check_unsigned(client, &device, argv[1])) - return COMMAND_RETURN_ERROR; - - ret = audio_output_enable_index(device); - if (!ret) { - command_error(client, ACK_ERROR_NO_EXIST, - "No such audio output"); - return COMMAND_RETURN_ERROR; - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_disableoutput(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - unsigned device; - bool ret; - - if (!check_unsigned(client, &device, argv[1])) - return COMMAND_RETURN_ERROR; - - ret = audio_output_disable_index(device); - if (!ret) { - command_error(client, ACK_ERROR_NO_EXIST, - "No such audio output"); - return COMMAND_RETURN_ERROR; - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_devices(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - printAudioDevices(client); - - return COMMAND_RETURN_OK; -} - -/* don't be fooled, this is the command handler for "commands" command */ -static enum command_return -handle_commands(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]); - -static enum command_return -handle_not_commands(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]); - -static enum command_return -handle_config(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - if (!client_is_local(client)) { - command_error(client, ACK_ERROR_PERMISSION, - "Command only permitted to local clients"); - return COMMAND_RETURN_ERROR; - } - - const char *path = mapper_get_music_directory_utf8(); - if (path != NULL) - client_printf(client, "music_directory: %s\n", path); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_playlistclear(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - GError *error = NULL; - return spl_clear(argv[1], &error) - ? COMMAND_RETURN_OK - : print_error(client, error); -} - -static enum command_return -handle_playlistadd(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - char *playlist = argv[1]; - char *uri = argv[2]; - - bool success; - GError *error = NULL; - if (uri_has_scheme(uri)) { - if (!uri_supported_scheme(uri)) { - command_error(client, ACK_ERROR_NO_EXIST, - "unsupported URI scheme"); - return COMMAND_RETURN_ERROR; - } - - success = spl_append_uri(uri, playlist, &error); - } else - success = addAllInToStoredPlaylist(uri, playlist, &error); - - if (!success && error == NULL) { - command_error(client, ACK_ERROR_NO_EXIST, - "directory or file not found"); - return COMMAND_RETURN_ERROR; - } - - return success ? COMMAND_RETURN_OK : print_error(client, error); -} - -static enum command_return -handle_listplaylists(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - GError *error = NULL; - GPtrArray *list = spl_list(&error); - if (list == NULL) - return print_error(client, error); - - print_spl_list(client, list); - spl_list_free(list); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_replay_gain_mode(struct client *client, - G_GNUC_UNUSED int argc, char *argv[]) -{ - if (!replay_gain_set_mode_string(argv[1])) { - command_error(client, ACK_ERROR_ARG, - "Unrecognized replay gain mode"); - return COMMAND_RETURN_ERROR; - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_replay_gain_status(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - client_printf(client, "replay_gain_mode: %s\n", - replay_gain_get_mode_string()); - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_idle(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - unsigned flags = 0, j; - int i; - const char *const* idle_names; - - idle_names = idle_get_names(); - for (i = 1; i < argc; ++i) { - if (!argv[i]) - continue; - - for (j = 0; idle_names[j]; ++j) { - if (!g_ascii_strcasecmp(argv[i], idle_names[j])) { - flags |= (1 << j); - } - } - } - - /* No argument means that the client wants to receive everything */ - if (flags == 0) - flags = ~0; - - /* enable "idle" mode on this client */ - client_idle_wait(client, flags); - - /* return value is "1" so the caller won't print "OK" */ - return 1; -} - -#ifdef ENABLE_SQLITE -struct sticker_song_find_data { - struct client *client; - const char *name; -}; - -static void -sticker_song_find_print_cb(struct song *song, const char *value, - gpointer user_data) -{ - struct sticker_song_find_data *data = user_data; - - song_print_uri(data->client, song); - sticker_print_value(data->client, data->name, value); -} - -static enum command_return -handle_sticker_song(struct client *client, int argc, char *argv[]) -{ - /* get song song_id key */ - if (argc == 5 && strcmp(argv[1], "get") == 0) { - struct song *song; - char *value; - - song = db_get_song(argv[3]); - if (song == NULL) { - command_error(client, ACK_ERROR_NO_EXIST, - "no such song"); - return COMMAND_RETURN_ERROR; - } - - value = sticker_song_get_value(song, argv[4]); - if (value == NULL) { - command_error(client, ACK_ERROR_NO_EXIST, - "no such sticker"); - return COMMAND_RETURN_ERROR; - } - - sticker_print_value(client, argv[4], value); - g_free(value); - - return COMMAND_RETURN_OK; - /* list song song_id */ - } else if (argc == 4 && strcmp(argv[1], "list") == 0) { - struct song *song; - struct sticker *sticker; - - song = db_get_song(argv[3]); - if (song == NULL) { - command_error(client, ACK_ERROR_NO_EXIST, - "no such song"); - return COMMAND_RETURN_ERROR; - } - - sticker = sticker_song_get(song); - if (sticker) { - sticker_print(client, sticker); - sticker_free(sticker); - } - - return COMMAND_RETURN_OK; - /* set song song_id id key */ - } else if (argc == 6 && strcmp(argv[1], "set") == 0) { - struct song *song; - bool ret; - - song = db_get_song(argv[3]); - if (song == NULL) { - command_error(client, ACK_ERROR_NO_EXIST, - "no such song"); - return COMMAND_RETURN_ERROR; - } - - ret = sticker_song_set_value(song, argv[4], argv[5]); - if (!ret) { - command_error(client, ACK_ERROR_SYSTEM, - "failed to set sticker value"); - return COMMAND_RETURN_ERROR; - } - - return COMMAND_RETURN_OK; - /* delete song song_id [key] */ - } else if ((argc == 4 || argc == 5) && - strcmp(argv[1], "delete") == 0) { - struct song *song; - bool ret; - - song = db_get_song(argv[3]); - if (song == NULL) { - command_error(client, ACK_ERROR_NO_EXIST, - "no such song"); - return COMMAND_RETURN_ERROR; - } - - ret = argc == 4 - ? sticker_song_delete(song) - : sticker_song_delete_value(song, argv[4]); - if (!ret) { - command_error(client, ACK_ERROR_SYSTEM, - "no such sticker"); - return COMMAND_RETURN_ERROR; - } - - return COMMAND_RETURN_OK; - /* find song dir key */ - } else if (argc == 5 && strcmp(argv[1], "find") == 0) { - /* "sticker find song a/directory name" */ - struct directory *directory; - bool success; - struct sticker_song_find_data data = { - .client = client, - .name = argv[4], - }; - - db_lock(); - directory = db_get_directory(argv[3]); - if (directory == NULL) { - db_unlock(); - command_error(client, ACK_ERROR_NO_EXIST, - "no such directory"); - return COMMAND_RETURN_ERROR; - } - - success = sticker_song_find(directory, data.name, - sticker_song_find_print_cb, &data); - db_unlock(); - if (!success) { - command_error(client, ACK_ERROR_SYSTEM, - "failed to set search sticker database"); - return COMMAND_RETURN_ERROR; - } - - return COMMAND_RETURN_OK; - } else { - command_error(client, ACK_ERROR_ARG, "bad request"); - return COMMAND_RETURN_ERROR; - } -} - -static enum command_return -handle_sticker(struct client *client, int argc, char *argv[]) -{ - assert(argc >= 4); - - if (!sticker_enabled()) { - command_error(client, ACK_ERROR_UNKNOWN, - "sticker database is disabled"); - return COMMAND_RETURN_ERROR; - } - - if (strcmp(argv[2], "song") == 0) - return handle_sticker_song(client, argc, argv); - else { - command_error(client, ACK_ERROR_ARG, - "unknown sticker domain"); - return COMMAND_RETURN_ERROR; - } -} -#endif - -static enum command_return -handle_subscribe(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - assert(argc == 2); - - switch (client_subscribe(client, argv[1])) { - case CLIENT_SUBSCRIBE_OK: - return COMMAND_RETURN_OK; - - case CLIENT_SUBSCRIBE_INVALID: - command_error(client, ACK_ERROR_ARG, - "invalid channel name"); - return COMMAND_RETURN_ERROR; - - case CLIENT_SUBSCRIBE_ALREADY: - command_error(client, ACK_ERROR_EXIST, - "already subscribed to this channel"); - return COMMAND_RETURN_ERROR; - - case CLIENT_SUBSCRIBE_FULL: - command_error(client, ACK_ERROR_EXIST, - "subscription list is full"); - return COMMAND_RETURN_ERROR; - } - - /* unreachable */ - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_unsubscribe(struct client *client, G_GNUC_UNUSED int argc, char *argv[]) -{ - assert(argc == 2); - - if (client_unsubscribe(client, argv[1])) - return COMMAND_RETURN_OK; - else { - command_error(client, ACK_ERROR_NO_EXIST, - "not subscribed to this channel"); - return COMMAND_RETURN_ERROR; - } -} - -struct channels_context { - GStringChunk *chunk; - - GHashTable *channels; -}; - -static void -collect_channels(gpointer data, gpointer user_data) -{ - struct channels_context *context = user_data; - const struct client *client = data; - - for (GSList *i = client->subscriptions; i != NULL; - i = g_slist_next(i)) { - const char *channel = i->data; - - if (g_hash_table_lookup(context->channels, channel) == NULL) { - char *channel2 = g_string_chunk_insert(context->chunk, - channel); - g_hash_table_insert(context->channels, channel2, - context); - } - } -} - -static void -print_channel(gpointer key, G_GNUC_UNUSED gpointer value, gpointer user_data) -{ - struct client *client = user_data; - const char *channel = key; - - client_printf(client, "channel: %s\n", channel); -} - -static enum command_return -handle_channels(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - assert(argc == 1); - - struct channels_context context = { - .chunk = g_string_chunk_new(1024), - .channels = g_hash_table_new(g_str_hash, g_str_equal), - }; - - client_list_foreach(collect_channels, &context); - - g_hash_table_foreach(context.channels, print_channel, client); - - g_hash_table_destroy(context.channels); - g_string_chunk_free(context.chunk); - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_read_messages(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - assert(argc == 1); - - GSList *messages = client_read_messages(client); - - for (GSList *i = messages; i != NULL; i = g_slist_next(i)) { - struct client_message *msg = i->data; - - client_printf(client, "channel: %s\nmessage: %s\n", - msg->channel, msg->message); - client_message_free(msg); - } - - g_slist_free(messages); - - return COMMAND_RETURN_OK; -} - -struct send_message_context { - struct client_message msg; - - bool sent; -}; - -static void -send_message(gpointer data, gpointer user_data) -{ - struct send_message_context *context = user_data; - struct client *client = data; - - if (client_push_message(client, &context->msg)) - context->sent = true; -} - -static enum command_return -handle_send_message(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - assert(argc == 3); - - if (!client_message_valid_channel_name(argv[1])) { - command_error(client, ACK_ERROR_ARG, - "invalid channel name"); - return COMMAND_RETURN_ERROR; - } - - struct send_message_context context = { - .sent = false, - }; - - client_message_init(&context.msg, argv[1], argv[2]); - - client_list_foreach(send_message, &context); - - client_message_deinit(&context.msg); - - if (context.sent) - return COMMAND_RETURN_OK; - else { - command_error(client, ACK_ERROR_NO_EXIST, - "nobody is subscribed to this channel"); - return COMMAND_RETURN_ERROR; - } -} - -/** - * The command registry. - * - * This array must be sorted! - */ -static const struct command commands[] = { - { "add", PERMISSION_ADD, 1, 1, handle_add }, - { "addid", PERMISSION_ADD, 1, 2, handle_addid }, - { "channels", PERMISSION_READ, 0, 0, handle_channels }, - { "clear", PERMISSION_CONTROL, 0, 0, handle_clear }, - { "clearerror", PERMISSION_CONTROL, 0, 0, handle_clearerror }, - { "close", PERMISSION_NONE, -1, -1, handle_close }, - { "commands", PERMISSION_NONE, 0, 0, handle_commands }, - { "config", PERMISSION_ADMIN, 0, 0, handle_config }, - { "consume", PERMISSION_CONTROL, 1, 1, handle_consume }, - { "count", PERMISSION_READ, 2, -1, handle_count }, - { "crossfade", PERMISSION_CONTROL, 1, 1, handle_crossfade }, - { "currentsong", PERMISSION_READ, 0, 0, handle_currentsong }, - { "decoders", PERMISSION_READ, 0, 0, handle_decoders }, - { "delete", PERMISSION_CONTROL, 1, 1, handle_delete }, - { "deleteid", PERMISSION_CONTROL, 1, 1, handle_deleteid }, - { "disableoutput", PERMISSION_ADMIN, 1, 1, handle_disableoutput }, - { "enableoutput", PERMISSION_ADMIN, 1, 1, handle_enableoutput }, - { "find", PERMISSION_READ, 2, -1, handle_find }, - { "findadd", PERMISSION_READ, 2, -1, handle_findadd}, - { "idle", PERMISSION_READ, 0, -1, handle_idle }, - { "kill", PERMISSION_ADMIN, -1, -1, handle_kill }, - { "list", PERMISSION_READ, 1, -1, handle_list }, - { "listall", PERMISSION_READ, 0, 1, handle_listall }, - { "listallinfo", PERMISSION_READ, 0, 1, handle_listallinfo }, - { "listplaylist", PERMISSION_READ, 1, 1, handle_listplaylist }, - { "listplaylistinfo", PERMISSION_READ, 1, 1, handle_listplaylistinfo }, - { "listplaylists", PERMISSION_READ, 0, 0, handle_listplaylists }, - { "load", PERMISSION_ADD, 1, 2, handle_load }, - { "lsinfo", PERMISSION_READ, 0, 1, handle_lsinfo }, - { "mixrampdb", PERMISSION_CONTROL, 1, 1, handle_mixrampdb }, - { "mixrampdelay", PERMISSION_CONTROL, 1, 1, handle_mixrampdelay }, - { "move", PERMISSION_CONTROL, 2, 2, handle_move }, - { "moveid", PERMISSION_CONTROL, 2, 2, handle_moveid }, - { "next", PERMISSION_CONTROL, 0, 0, handle_next }, - { "notcommands", PERMISSION_NONE, 0, 0, handle_not_commands }, - { "outputs", PERMISSION_READ, 0, 0, handle_devices }, - { "password", PERMISSION_NONE, 1, 1, handle_password }, - { "pause", PERMISSION_CONTROL, 0, 1, handle_pause }, - { "ping", PERMISSION_NONE, 0, 0, handle_ping }, - { "play", PERMISSION_CONTROL, 0, 1, handle_play }, - { "playid", PERMISSION_CONTROL, 0, 1, handle_playid }, - { "playlist", PERMISSION_READ, 0, 0, handle_playlist }, - { "playlistadd", PERMISSION_CONTROL, 2, 2, handle_playlistadd }, - { "playlistclear", PERMISSION_CONTROL, 1, 1, handle_playlistclear }, - { "playlistdelete", PERMISSION_CONTROL, 2, 2, handle_playlistdelete }, - { "playlistfind", PERMISSION_READ, 2, -1, handle_playlistfind }, - { "playlistid", PERMISSION_READ, 0, 1, handle_playlistid }, - { "playlistinfo", PERMISSION_READ, 0, 1, handle_playlistinfo }, - { "playlistmove", PERMISSION_CONTROL, 3, 3, handle_playlistmove }, - { "playlistsearch", PERMISSION_READ, 2, -1, handle_playlistsearch }, - { "plchanges", PERMISSION_READ, 1, 1, handle_plchanges }, - { "plchangesposid", PERMISSION_READ, 1, 1, handle_plchangesposid }, - { "previous", PERMISSION_CONTROL, 0, 0, handle_previous }, - { "prio", PERMISSION_CONTROL, 2, -1, handle_prio }, - { "prioid", PERMISSION_CONTROL, 2, -1, handle_prioid }, - { "random", PERMISSION_CONTROL, 1, 1, handle_random }, - { "readmessages", PERMISSION_READ, 0, 0, handle_read_messages }, - { "rename", PERMISSION_CONTROL, 2, 2, handle_rename }, - { "repeat", PERMISSION_CONTROL, 1, 1, handle_repeat }, - { "replay_gain_mode", PERMISSION_CONTROL, 1, 1, - handle_replay_gain_mode }, - { "replay_gain_status", PERMISSION_READ, 0, 0, - handle_replay_gain_status }, - { "rescan", PERMISSION_CONTROL, 0, 1, handle_rescan }, - { "rm", PERMISSION_CONTROL, 1, 1, handle_rm }, - { "save", PERMISSION_CONTROL, 1, 1, handle_save }, - { "search", PERMISSION_READ, 2, -1, handle_search }, - { "searchadd", PERMISSION_ADD, 2, -1, handle_searchadd }, - { "searchaddpl", PERMISSION_CONTROL, 3, -1, handle_searchaddpl }, - { "seek", PERMISSION_CONTROL, 2, 2, handle_seek }, - { "seekcur", PERMISSION_CONTROL, 1, 1, handle_seekcur }, - { "seekid", PERMISSION_CONTROL, 2, 2, handle_seekid }, - { "sendmessage", PERMISSION_CONTROL, 2, 2, handle_send_message }, - { "setvol", PERMISSION_CONTROL, 1, 1, handle_setvol }, - { "shuffle", PERMISSION_CONTROL, 0, 1, handle_shuffle }, - { "single", PERMISSION_CONTROL, 1, 1, handle_single }, - { "stats", PERMISSION_READ, 0, 0, handle_stats }, - { "status", PERMISSION_READ, 0, 0, handle_status }, -#ifdef ENABLE_SQLITE - { "sticker", PERMISSION_ADMIN, 3, -1, handle_sticker }, -#endif - { "stop", PERMISSION_CONTROL, 0, 0, handle_stop }, - { "subscribe", PERMISSION_READ, 1, 1, handle_subscribe }, - { "swap", PERMISSION_CONTROL, 2, 2, handle_swap }, - { "swapid", PERMISSION_CONTROL, 2, 2, handle_swapid }, - { "tagtypes", PERMISSION_READ, 0, 0, handle_tagtypes }, - { "unsubscribe", PERMISSION_READ, 1, 1, handle_unsubscribe }, - { "update", PERMISSION_CONTROL, 0, 1, handle_update }, - { "urlhandlers", PERMISSION_READ, 0, 0, handle_urlhandlers }, -}; - -static const unsigned num_commands = sizeof(commands) / sizeof(commands[0]); - -static bool -command_available(G_GNUC_UNUSED const struct command *cmd) -{ -#ifdef ENABLE_SQLITE - if (strcmp(cmd->cmd, "sticker") == 0) - return sticker_enabled(); -#endif - - return true; -} - -/* don't be fooled, this is the command handler for "commands" command */ -static enum command_return -handle_commands(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - const unsigned permission = client_get_permission(client); - const struct command *cmd; - - for (unsigned i = 0; i < num_commands; ++i) { - cmd = &commands[i]; - - if (cmd->permission == (permission & cmd->permission) && - command_available(cmd)) - client_printf(client, "command: %s\n", cmd->cmd); - } - - return COMMAND_RETURN_OK; -} - -static enum command_return -handle_not_commands(struct client *client, - G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[]) -{ - const unsigned permission = client_get_permission(client); - const struct command *cmd; - - for (unsigned i = 0; i < num_commands; ++i) { - cmd = &commands[i]; - - if (cmd->permission != (permission & cmd->permission)) - client_printf(client, "command: %s\n", cmd->cmd); - } - - return COMMAND_RETURN_OK; -} - -void command_init(void) -{ -#ifndef NDEBUG - /* ensure that the command list is sorted */ - for (unsigned i = 0; i < num_commands - 1; ++i) - assert(strcmp(commands[i].cmd, commands[i + 1].cmd) < 0); -#endif -} - -void command_finish(void) -{ -} - -static const struct command * -command_lookup(const char *name) -{ - unsigned a = 0, b = num_commands, i; - int cmp; - - /* binary search */ - do { - i = (a + b) / 2; - - cmp = strcmp(name, commands[i].cmd); - if (cmp == 0) - return &commands[i]; - else if (cmp < 0) - b = i; - else if (cmp > 0) - a = i + 1; - } while (a < b); - - return NULL; -} - -static bool -command_check_request(const struct command *cmd, struct client *client, - unsigned permission, int argc, char *argv[]) -{ - int min = cmd->min + 1; - int max = cmd->max + 1; - - if (cmd->permission != (permission & cmd->permission)) { - if (client != NULL) - command_error(client, ACK_ERROR_PERMISSION, - "you don't have permission for \"%s\"", - cmd->cmd); - return false; - } - - if (min == 0) - return true; - - if (min == max && max != argc) { - if (client != NULL) - command_error(client, ACK_ERROR_ARG, - "wrong number of arguments for \"%s\"", - argv[0]); - return false; - } else if (argc < min) { - if (client != NULL) - command_error(client, ACK_ERROR_ARG, - "too few arguments for \"%s\"", argv[0]); - return false; - } else if (argc > max && max /* != 0 */ ) { - if (client != NULL) - command_error(client, ACK_ERROR_ARG, - "too many arguments for \"%s\"", argv[0]); - return false; - } else - return true; -} - -static const struct command * -command_checked_lookup(struct client *client, unsigned permission, - int argc, char *argv[]) -{ - const struct command *cmd; - - current_command = ""; - - if (argc == 0) - return NULL; - - cmd = command_lookup(argv[0]); - if (cmd == NULL) { - if (client != NULL) - command_error(client, ACK_ERROR_UNKNOWN, - "unknown command \"%s\"", argv[0]); - return NULL; - } - - current_command = cmd->cmd; - - if (!command_check_request(cmd, client, permission, argc, argv)) - return NULL; - - return cmd; -} - -enum command_return -command_process(struct client *client, unsigned num, char *line) -{ - GError *error = NULL; - int argc; - char *argv[COMMAND_ARGV_MAX] = { NULL }; - const struct command *cmd; - enum command_return ret = COMMAND_RETURN_ERROR; - - command_list_num = num; - - /* get the command name (first word on the line) */ - - argv[0] = tokenizer_next_word(&line, &error); - if (argv[0] == NULL) { - current_command = ""; - if (*line == 0) - command_error(client, ACK_ERROR_UNKNOWN, - "No command given"); - else { - command_error(client, ACK_ERROR_UNKNOWN, - "%s", error->message); - g_error_free(error); - } - current_command = NULL; - - return COMMAND_RETURN_ERROR; - } - - argc = 1; - - /* now parse the arguments (quoted or unquoted) */ - - while (argc < (int)G_N_ELEMENTS(argv) && - (argv[argc] = - tokenizer_next_param(&line, &error)) != NULL) - ++argc; - - /* some error checks; we have to set current_command because - command_error() expects it to be set */ - - current_command = argv[0]; - - if (argc >= (int)G_N_ELEMENTS(argv)) { - command_error(client, ACK_ERROR_ARG, "Too many arguments"); - current_command = NULL; - return COMMAND_RETURN_ERROR; - } - - if (*line != 0) { - command_error(client, ACK_ERROR_ARG, - "%s", error->message); - current_command = NULL; - g_error_free(error); - return COMMAND_RETURN_ERROR; - } - - /* look up and invoke the command handler */ - - cmd = command_checked_lookup(client, client_get_permission(client), - argc, argv); - if (cmd) - ret = cmd->handler(client, argc, argv); - - current_command = NULL; - command_list_num = 0; - - return ret; -} |