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04fdc209d9
mpd/src/conf.c
Warren Dukes 04fdc209d9 add replayGain stuff for flac from AliasMrJones 
git-svn-id: https://svn.musicpd.org/mpd/trunk@943 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2004-05-07 22:42:54 +00:00

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/* the Music Player Daemon (MPD)
* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
* 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 "conf.h"
#include "log.h"
#include "utils.h"
#include "buffer2array.h"
#include "audio.h"
#include "volume.h"
#include <sys/param.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#define MAX_STRING_SIZE MAXPATHLEN+80
#define CONF_COMMENT '#'
#define CONF_NUMBER_OF_PARAMS 28
#define CONF_NUMBER_OF_PATHS 6
#define CONF_NUMBER_OF_REQUIRED 5
#define CONF_NUMBER_OF_ALLOW_CATS 1
#define CONF_CONNECTION_TIMEOUT_DEFAULT "60"
#define CONF_MAX_CONNECTIONS_DEFAULT "5"
#define CONF_MAX_PLAYLIST_LENGTH_DEFAULT "16384"
#define CONF_BUFFER_BEFORE_PLAY_DEFAULT "25%"
#define CONF_MAX_COMMAND_LIST_SIZE_DEFAULT "2048"
#define CONF_MAX_OUTPUT_BUFFER_SIZE_DEFAULT "2048"
#define CONF_AO_DRIVER_DEFAULT AUDIO_AO_DRIVER_DEFAULT
#define CONF_AO_DRIVER_OPTIONS_DEFAULT ""
#define CONF_SAVE_ABSOLUTE_PATHS_IN_PLAYLISTS_DEFAULT "no"
#define CONF_BIND_TO_ADDRESS_DEFAULT "any"
#define CONF_USER_DEFAULT ""
#define CONF_LOG_LEVEL_DEFAULT "default"
#define CONF_AUDIO_WRITE_SIZE_DEFAULT "1024"
#define CONF_BUFFER_SIZE_DEFAULT "2048"
#ifndef NO_OSS_MIXER
#define CONF_MIXER_TYPE_DEFAULT VOLUME_MIXER_OSS
#define CONF_MIXER_DEVICE_DEFAULT ""
#else
#ifdef HAVE_ALSA
#define CONF_MIXER_TYPE_DEFAULT VOLUME_MIXER_ALSA
#define CONF_MIXER_DEVICE_DEFAULT ""
#else
#define CONF_MIXER_TYPE_DEFAULT VOLUME_MIXER_SOFTWARE
#define CONF_MIXER_DEVICE_DEFAULT ""
#endif
#endif
char * conf_params[CONF_NUMBER_OF_PARAMS];
void initConf() {
int i;
for(i=0;i<CONF_NUMBER_OF_PARAMS;i++) conf_params[i] = NULL;
/* we don't specify these on the command line */
conf_params[CONF_CONNECTION_TIMEOUT] = strdup(CONF_CONNECTION_TIMEOUT_DEFAULT);
conf_params[CONF_MIXER_DEVICE] = strdup(CONF_MIXER_DEVICE_DEFAULT);
conf_params[CONF_MAX_CONNECTIONS] = strdup(CONF_MAX_CONNECTIONS_DEFAULT);
conf_params[CONF_MAX_PLAYLIST_LENGTH] = strdup(CONF_MAX_PLAYLIST_LENGTH_DEFAULT);
conf_params[CONF_BUFFER_BEFORE_PLAY] = strdup(CONF_BUFFER_BEFORE_PLAY_DEFAULT);
conf_params[CONF_MAX_COMMAND_LIST_SIZE] = strdup(CONF_MAX_COMMAND_LIST_SIZE_DEFAULT);
conf_params[CONF_MAX_OUTPUT_BUFFER_SIZE] = strdup(CONF_MAX_OUTPUT_BUFFER_SIZE_DEFAULT);
conf_params[CONF_AO_DRIVER] = strdup(CONF_AO_DRIVER_DEFAULT);
conf_params[CONF_AO_DRIVER_OPTIONS] = strdup(CONF_AO_DRIVER_OPTIONS_DEFAULT);
conf_params[CONF_SAVE_ABSOLUTE_PATHS_IN_PLAYLISTS] = strdup(CONF_SAVE_ABSOLUTE_PATHS_IN_PLAYLISTS_DEFAULT);
conf_params[CONF_BIND_TO_ADDRESS] = strdup(CONF_BIND_TO_ADDRESS_DEFAULT);
conf_params[CONF_MIXER_TYPE] = strdup(CONF_MIXER_TYPE_DEFAULT);
conf_params[CONF_USER] = strdup(CONF_USER_DEFAULT);
conf_params[CONF_LOG_LEVEL] = strdup(CONF_LOG_LEVEL_DEFAULT);
conf_params[CONF_AUDIO_WRITE_SIZE] = strdup(CONF_AUDIO_WRITE_SIZE_DEFAULT);
conf_params[CONF_BUFFER_SIZE] = strdup(CONF_BUFFER_SIZE_DEFAULT);
}
char ** readConf(char * file) {
char * conf_strings[CONF_NUMBER_OF_PARAMS] = {
"port",
"music_directory",
"playlist_directory",
"log_file",
"error_file",
"connection_timeout",
"mixer_device",
"max_connections",
"max_playlist_length",
"buffer_before_play",
"max_command_list_size",
"max_output_buffer_size",
"ao_driver",
"ao_driver_options",
"save_absolute_paths_in_playlists",
"bind_to_address",
"mixer_type",
"state_file",
"user",
"db_file",
"log_level",
"mixer_control",
"audio_write_size",
"filesystem_charset",
"password",
"default_permissions",
"buffer_size",
"replaygain"
};
int conf_absolutePaths[CONF_NUMBER_OF_PATHS] = {
CONF_MUSIC_DIRECTORY,
CONF_PLAYLIST_DIRECTORY,
CONF_LOG_FILE,
CONF_ERROR_FILE,
CONF_STATE_FILE,
CONF_DB_FILE
};
int conf_required[CONF_NUMBER_OF_REQUIRED] = {
CONF_MUSIC_DIRECTORY,
CONF_PLAYLIST_DIRECTORY,
CONF_LOG_FILE,
CONF_ERROR_FILE,
CONF_PORT
};
short conf_allowCat[CONF_NUMBER_OF_ALLOW_CATS] = {
CONF_PASSWORD
};
FILE * fp;
char string[MAX_STRING_SIZE+1];
char ** array;
int i;
int numberOfArgs;
short allowCat[CONF_NUMBER_OF_PARAMS];
for(i=0;i<CONF_NUMBER_OF_PARAMS;i++) allowCat[i] = 0;
for(i=0;i<CONF_NUMBER_OF_ALLOW_CATS;i++) allowCat[conf_allowCat[i]] = 1;
if(!(fp=fopen(file,"r"))) {
ERROR("problems opening file %s for reading\n",file);
exit(EXIT_FAILURE);
}
while(myFgets(string,sizeof(string),fp)) {
if(string[0]==CONF_COMMENT) continue;
numberOfArgs = buffer2array(string,&array);
if(numberOfArgs==0) continue;
if(2!=numberOfArgs) {
ERROR("improperly formated config line: %s\n",string);
exit(EXIT_FAILURE);
}
i = 0;
while(i<CONF_NUMBER_OF_PARAMS && 0!=strcmp(conf_strings[i],array[0])) i++;
if(i>=CONF_NUMBER_OF_PARAMS) {
ERROR("unrecognized line in conf: %s\n",string);
exit(EXIT_FAILURE);
}
if(conf_params[i]!=NULL) {
if(allowCat[i]) {
conf_params[i] = realloc(conf_params[i],
strlen(conf_params[i])+
strlen(CONF_CAT_CHAR)+
strlen(array[1])+1);
strcat(conf_params[i],CONF_CAT_CHAR);
strcat(conf_params[i],array[1]);
}
else {
free(conf_params[i]);
conf_params[i] = strdup(array[1]);
}
}
else conf_params[i] = strdup(array[1]);
free(array[0]);
free(array[1]);
free(array);
}
fclose(fp);
for(i=0;i<CONF_NUMBER_OF_REQUIRED;i++) {
if(conf_params[conf_required[i]] == NULL) {
ERROR("%s is unassigned in conf file\n",
conf_strings[conf_required[i]]);
exit(EXIT_FAILURE);
}
}
for(i=0;i<CONF_NUMBER_OF_PATHS;i++) {
if(conf_params[conf_absolutePaths[i]] &&
conf_params[conf_absolutePaths[i]][0]!='/' &&
conf_params[conf_absolutePaths[i]][0]!='~')
{
ERROR("\"%s\" is not an absolute path\n",
conf_params[conf_absolutePaths[i]]);
exit(EXIT_FAILURE);
}
/* Parse ~ in path */
else if(conf_params[conf_absolutePaths[i]] &&
conf_params[conf_absolutePaths[i]][0]=='~')
{
struct passwd * pwd = NULL;
char * path;
int pos = 1;
if(conf_params[conf_absolutePaths[i]][1]=='/' ||
conf_params[conf_absolutePaths[i]][1]=='\0')
{
uid_t uid = geteuid();
if((pwd = getpwuid(uid)) == NULL) {
ERROR("problems getting passwd entry "
"for current user\n");
exit(EXIT_FAILURE);
}
}
else {
int foundSlash = 0;
char * ch = &(
conf_params[conf_absolutePaths[i]][1]);
for(;*ch!='\0' && *ch!='/';ch++);
if(*ch=='/') foundSlash = 1;
* ch = '\0';
pos+= ch-
&(conf_params[
conf_absolutePaths[i]][1]);
if((pwd = getpwnam(&(conf_params[
conf_absolutePaths[i]][1]))) == NULL)
{
ERROR("user \"%s\" not found\n",
&(conf_params[
conf_absolutePaths[i]][1]));
exit(EXIT_FAILURE);
}
if(foundSlash) *ch = '/';
}
path = malloc(strlen(pwd->pw_dir)+strlen(
&(conf_params[conf_absolutePaths[i]][pos]))+1);
strcpy(path,pwd->pw_dir);
strcat(path,&(conf_params[conf_absolutePaths[i]][pos]));
free(conf_params[conf_absolutePaths[i]]);
conf_params[conf_absolutePaths[i]] = path;
}
}
return conf_params;
}
char ** getConf() {
return conf_params;
}
/* vim:set shiftwidth=4 tabstop=8 expandtab: */
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