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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "path.h"
#include "log.h"
#include "conf.h"
#include "utf8.h"
#include "utils.h"
#include "playlist.h"
#include "os_compat.h"
#ifdef HAVE_LOCALE
#ifdef HAVE_LANGINFO_CODESET
#include <locale.h>
#include <langinfo.h>
#endif
#endif
#include <glib.h>
static const char *playlistDir;
static size_t playlist_dir_len;
static char *fsCharset;
char *fs_charset_to_utf8(char *dst, const char *str)
{
gchar *p;
GError *error = NULL;
p = g_convert(str, -1,
fsCharset, "utf-8",
NULL, NULL, &error);
if (p == NULL) {
/* no fallback */
g_error_free(error);
return NULL;
}
g_strlcpy(dst, p, MPD_PATH_MAX);
g_free(p);
return dst;
}
char *utf8_to_fs_charset(char *dst, const char *str)
{
gchar *p;
GError *error = NULL;
p = g_convert(str, -1,
"utf-8", fsCharset,
NULL, NULL, &error);
if (p == NULL) {
/* fall back to UTF-8 */
g_error_free(error);
return strcpy(dst, str);
}
g_strlcpy(dst, p, MPD_PATH_MAX);
g_free(p);
return dst;
}
void setFsCharset(const char *charset)
{
int error = 0;
if (fsCharset)
free(fsCharset);
fsCharset = xstrdup(charset);
DEBUG("setFsCharset: fs charset is: %s\n", fsCharset);
if (error) {
free(fsCharset);
WARNING("setting fs charset to ISO-8859-1!\n");
fsCharset = xstrdup("ISO-8859-1");
}
}
const char *getFsCharset(void)
{
return fsCharset;
}
void initPaths(void)
{
ConfigParam *playlistParam = parseConfigFilePath(CONF_PLAYLIST_DIR, 1);
ConfigParam *fsCharsetParam = getConfigParam(CONF_FS_CHARSET);
char *charset = NULL;
char *originalLocale;
DIR *dir;
playlistDir = xstrdup(playlistParam->value);
playlist_dir_len = strlen(playlistDir);
if ((dir = opendir(playlistDir)) == NULL) {
ERROR("cannot open %s \"%s\" (config line %i): %s\n",
CONF_PLAYLIST_DIR, playlistParam->value,
playlistParam->line, strerror(errno));
} else
closedir(dir);
if (fsCharsetParam) {
charset = xstrdup(fsCharsetParam->value);
}
#ifdef HAVE_LOCALE
#ifdef HAVE_LANGINFO_CODESET
else if ((originalLocale = setlocale(LC_CTYPE, NULL))) {
char *temp;
char *currentLocale;
originalLocale = xstrdup(originalLocale);
if (!(currentLocale = setlocale(LC_CTYPE, ""))) {
WARNING("problems setting current locale with "
"setlocale()\n");
} else {
if (strcmp(currentLocale, "C") == 0 ||
strcmp(currentLocale, "POSIX") == 0) {
WARNING("current locale is \"%s\"\n",
currentLocale);
} else if ((temp = nl_langinfo(CODESET))) {
charset = xstrdup(temp);
} else
WARNING
("problems getting charset for locale\n");
if (!setlocale(LC_CTYPE, originalLocale)) {
WARNING
("problems resetting locale with setlocale()\n");
}
}
free(originalLocale);
} else
WARNING("problems getting locale with setlocale()\n");
#endif
#endif
if (charset) {
setFsCharset(charset);
free(charset);
} else {
WARNING("setting filesystem charset to ISO-8859-1\n");
setFsCharset("ISO-8859-1");
}
}
void finishPaths(void)
{
free(fsCharset);
fsCharset = NULL;
}
char *pfx_dir(char *dst,
const char *path, const size_t path_len,
const char *pfx, const size_t pfx_len)
{
if (mpd_unlikely((pfx_len + path_len + 1) >= MPD_PATH_MAX))
FATAL("Cannot prefix '%s' to '%s', PATH_MAX: %d\n",
pfx, path, MPD_PATH_MAX);
/* memmove allows dst == path */
memmove(dst + pfx_len + 1, path, path_len + 1);
memcpy(dst, pfx, pfx_len);
dst[pfx_len] = '/';
/* this is weird, but directory.c can use it more safely/efficiently */
return (dst + pfx_len + 1);
}
char *rpp2app_r(char *dst, const char *rel_path)
{
pfx_dir(dst, rel_path, strlen(rel_path),
(const char *)playlistDir, playlist_dir_len);
return dst;
}
char *sanitizePathDup(const char *path)
{
int len = strlen(path) + 1;
char *ret = xmalloc(len);
char *cp = ret;
memset(ret, 0, len);
len = 0;
/* eliminate more than one '/' in a row, like "///" */
while (*path) {
while (*path == '/')
path++;
if (*path == '.') {
/* we don't want to have hidden directories, or '.' or
".." in our path */
free(ret);
return NULL;
}
while (*path && *path != '/') {
*(cp++) = *(path++);
len++;
}
if (*path == '/') {
*(cp++) = *(path++);
len++;
}
}
if (len && ret[len - 1] == '/') {
len--;
ret[len] = '\0';
}
DEBUG("sanitized: %s\n", ret);
return xrealloc(ret, len + 1);
}
void utf8_to_fs_playlist_path(char *path_max_tmp, const char *utf8path)
{
utf8_to_fs_charset(path_max_tmp, utf8path);
rpp2app_r(path_max_tmp, path_max_tmp);
strncat(path_max_tmp, "." PLAYLIST_FILE_SUFFIX, MPD_PATH_MAX - 1);
}
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