8c0060fae4
Clients which have authenticated via unix socket may add local files to the MPD playlist, provided that they own the file.
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2008 Max Kellermann <max@duempel.org>
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Maps directory and song objects to file system paths.
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*/
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#include "mapper.h"
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#include "directory.h"
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#include "song.h"
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#include "path.h"
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#include "conf.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <glib.h>
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static char *music_dir;
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static size_t music_dir_length;
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void mapper_init(void)
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{
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ConfigParam *music_dir_param = parseConfigFilePath(CONF_MUSIC_DIR, 1);
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int ret;
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struct stat st;
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music_dir = g_strdup(music_dir_param->value);
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music_dir_length = strlen(music_dir);
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ret = stat(music_dir, &st);
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if (ret < 0)
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g_error("failed to stat music directory \"%s\" (config line %i): %s\n",
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music_dir_param->value, music_dir_param->line,
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strerror(errno));
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else if (!S_ISDIR(st.st_mode))
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g_error("music directory is not a directory: \"%s\" (config line %i)\n",
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music_dir_param->value, music_dir_param->line);
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}
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void mapper_finish(void)
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{
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g_free(music_dir);
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}
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static char *
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rmp2amp_r(char *dst, const char *rel_path)
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{
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pfx_dir(dst, rel_path, strlen(rel_path),
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(const char *)music_dir, music_dir_length);
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return dst;
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}
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const char *
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map_directory_fs(const struct directory *directory, char *buffer)
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{
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const char *dirname = directory_get_path(directory);
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if (isRootDirectory(dirname))
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return music_dir;
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return rmp2amp_r(buffer, utf8_to_fs_charset(buffer, dirname));
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}
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const char *
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map_directory_child_fs(const struct directory *directory, const char *name,
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char *buffer)
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{
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char buffer2[MPD_PATH_MAX];
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const char *parent_fs;
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parent_fs = map_directory_fs(directory, buffer2);
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if (parent_fs == NULL)
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return NULL;
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utf8_to_fs_charset(buffer, name);
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pfx_dir(buffer, name, strlen(name),
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parent_fs, strlen(parent_fs));
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return buffer;
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}
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const char *
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map_song_fs(const struct song *song, char *buffer)
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{
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assert(song_is_file(song));
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if (song_in_database(song))
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return map_directory_child_fs(song->parent, song->url, buffer);
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else
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return utf8_to_fs_charset(buffer, song->url);
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}
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const char *
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map_fs_to_utf8(const char *path_fs, char *buffer)
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{
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if (strncmp(path_fs, music_dir, music_dir_length) == 0 &&
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path_fs[music_dir_length] == '/')
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/* remove musicDir prefix */
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path_fs += music_dir_length;
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else if (path_fs[0] == '/')
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/* not within musicDir */
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return NULL;
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return fs_charset_to_utf8(buffer, path_fs);
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}
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