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230395e445
ympd/src/main.c
jcorporation 230395e445 Fix: move functions in mympd_api.c
2019-01-14 19:43:40 +00:00

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/* myMPD
(c) 2018 Juergen Mang <mail@jcgames.de>
This project's homepage is: https://github.com/jcorporation/mympd
myMPD ist fork of:
ympd
(c) 2013-2014 Andrew Karpow <andy@ndyk.de>
This project's homepage is: http://www.ympd.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; version 2 of the License.
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.,
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/time.h>
#include <pwd.h>
#include <grp.h>
#include <libgen.h>
#include <pthread.h>
#include <dirent.h>
#include <mpd/client.h>
#include <stdbool.h>
#include "list.h"
#include "tiny_queue.h"
#include "global.h"
#include "mpd_client.h"
#include "../dist/src/mongoose/mongoose.h"
#include "web_server.h"
#include "mympd_api.h"
#include "../dist/src/inih/ini.h"
static void signal_handler(int sig_num) {
signal(sig_num, signal_handler); // Reinstantiate signal handler
s_signal_received = sig_num;
}
static int inihandler(void *user, const char *section, const char *name, const char* value) {
t_config* p_config = (t_config*)user;
char *crap;
#define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0
if (MATCH("mpd", "mpdhost"))
p_config->mpdhost = strdup(value);
else if (MATCH("mpd", "mpdport"))
p_config->mpdport = strtol(value, &crap, 10);
else if (MATCH("mpd", "mpdpass"))
p_config->mpdpass = strdup(value);
else if (MATCH("mpd", "streamport"))
p_config->streamport = strtol(value, &crap, 10);
else if (MATCH("webserver", "webport"))
p_config->webport = strdup(value);
else if (MATCH("webserver", "ssl"))
if (strcmp(value, "true") == 0)
p_config->ssl = true;
else
p_config->ssl = false;
else if (MATCH("webserver", "sslport"))
p_config->sslport = strdup(value);
else if (MATCH("webserver", "sslcert"))
p_config->sslcert = strdup(value);
else if (MATCH("webserver", "sslkey"))
p_config->sslkey = strdup(value);
else if (MATCH("mympd", "user"))
p_config->user = strdup(value);
else if (MATCH("mympd", "coverimage"))
if (strcmp(value, "true") == 0)
p_config->coverimage = true;
else
p_config->coverimage = false;
else if (MATCH("mympd", "coverimagename"))
p_config->coverimagename = strdup(value);
else if (MATCH("mympd", "coverimagesize"))
p_config->coverimagesize = strtol(value, &crap, 10);
else if (MATCH("mympd", "varlibdir"))
p_config->varlibdir = strdup(value);
else if (MATCH("mympd", "stickers"))
if (strcmp(value, "true") == 0)
p_config->stickers = true;
else
p_config->stickers = false;
else if (MATCH("mympd", "smartpls"))
if (strcmp(value, "true") == 0)
p_config->smartpls = true;
else
p_config->smartpls = false;
else if (MATCH("mympd", "mixramp"))
if (strcmp(value, "true") == 0)
p_config->mixramp = true;
else
p_config->mixramp = false;
else if (MATCH("mympd", "taglist"))
p_config->taglist = strdup(value);
else if (MATCH("mympd", "searchtaglist"))
p_config->searchtaglist = strdup(value);
else if (MATCH("mympd", "browsetaglist"))
p_config->browsetaglist = strdup(value);
else if (MATCH("mympd", "max_elements_per_page")) {
p_config->max_elements_per_page = strtol(value, &crap, 10);
if (p_config->max_elements_per_page > MAX_ELEMENTS_PER_PAGE) {
printf("Setting max_elements_per_page to maximal value %d", MAX_ELEMENTS_PER_PAGE);
p_config->max_elements_per_page = MAX_ELEMENTS_PER_PAGE;
}
}
else if (MATCH("mympd", "syscmds"))
if (strcmp(value, "true") == 0)
p_config->syscmds = true;
else
p_config->syscmds = false;
else if (MATCH("mympd", "localplayer"))
if (strcmp(value, "true") == 0)
p_config->localplayer = true;
else
p_config->localplayer = false;
else if (MATCH("mympd", "streamurl"))
p_config->streamurl = strdup(value);
else if (MATCH("mympd", "last_played_count"))
p_config->last_played_count = strtol(value, &crap, 10);
else if (MATCH("mympd", "loglevel"))
p_config->loglevel = strtol(value, &crap, 10);
else {
printf("Unkown config option: %s - %s\n", section, name);
return 0; /* unknown section/name, error */
}
return 1;
}
int main(int argc, char **argv) {
s_signal_received = 0;
char testdirname[400];
mpd_client_queue = tiny_queue_create();
mympd_api_queue = tiny_queue_create();
web_server_queue = tiny_queue_create();
srand((unsigned int)time(NULL));
//mympd config defaults
t_config config;
config.mpdhost = "127.0.0.1";
config.mpdport = 6600;
config.mpdpass = NULL;
config.webport = "80";
config.ssl = true;
config.sslport = "443";
config.sslcert = "/etc/mympd/ssl/server.pem";
config.sslkey = "/etc/mympd/ssl/server.key";
config.user = "mympd";
config.streamport = 8000;
config.streamurl = "";
config.coverimage = true;
config.coverimagename = "folder.jpg";
config.coverimagesize = 240;
config.varlibdir = "/var/lib/mympd";
config.stickers = true;
config.mixramp = true;
config.taglist = "Artist,Album,AlbumArtist,Title,Track,Genre,Date,Composer,Performer";
config.searchtaglist = "Artist,Album,AlbumArtist,Title,Genre,Composer,Performer";
config.browsetaglist = "Artist,Album,AlbumArtist,Genre,Composer,Performer";
config.smartpls = true;
config.max_elements_per_page = 100;
config.last_played_count = 20;
char *etcdir = strdup(argv[1]);
config.etcdir = strdup(dirname(etcdir));
free(etcdir);
config.syscmds = false;
config.localplayer = true;
config.loglevel = 1;
if (argc == 2) {
printf("Starting myMPD %s\n", MYMPD_VERSION);
printf("Libmpdclient %i.%i.%i\n", LIBMPDCLIENT_MAJOR_VERSION, LIBMPDCLIENT_MINOR_VERSION, LIBMPDCLIENT_PATCH_VERSION);
printf("Parsing config file: %s\n", argv[1]);
if (ini_parse(argv[1], inihandler, &config) < 0) {
printf("Can't load config file \"%s\"\n", argv[1]);
return EXIT_FAILURE;
}
}
else {
printf("myMPD %s\n"
"Copyright (C) 2018-2019 Juergen Mang <mail@jcgames.de>\n"
"https://github.com/jcorporation/myMPD\n"
"Built " __DATE__ " "__TIME__"\n\n"
"Usage: %s /path/to/mympd.conf\n",
MYMPD_VERSION,
argv[0]
);
return EXIT_FAILURE;
}
#ifdef DEBUG
printf("Debug flag enabled, setting loglevel to debug\n");
config.loglevel = 3;
loglevel = config.loglevel;
#endif
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
setvbuf(stdout, NULL, _IOLBF, 0);
setvbuf(stderr, NULL, _IOLBF, 0);
//init webserver
struct mg_mgr mgr;
if (!web_server_init(&mgr, &config)) {
return EXIT_FAILURE;
}
//drop privileges
if (config.user != NULL) {
printf("Droping privileges to %s\n", config.user);
struct passwd *pw;
if ((pw = getpwnam(config.user)) == NULL) {
printf("getpwnam() failed, unknown user\n");
web_server_free(&mgr);
return EXIT_FAILURE;
} else if (setgroups(0, NULL) != 0) {
printf("setgroups() failed\n");
web_server_free(&mgr);
return EXIT_FAILURE;
} else if (setgid(pw->pw_gid) != 0) {
printf("setgid() failed\n");
web_server_free(&mgr);
return EXIT_FAILURE;
} else if (setuid(pw->pw_uid) != 0) {
printf("setuid() failed\n");
web_server_free(&mgr);
return EXIT_FAILURE;
}
}
if (getuid() == 0) {
printf("myMPD should not be run with root privileges\n");
web_server_free(&mgr);
return EXIT_FAILURE;
}
//check needed directories
if (!testdir("Document root", DOC_ROOT))
return EXIT_FAILURE;
snprintf(testdirname, 400, "%s/library", DOC_ROOT);
if (!testdir("Link to mpd music_directory", testdirname)) {
printf("Disabling coverimage support\n");
config.coverimage = false;
}
snprintf(testdirname, 400, "%s/tmp", config.varlibdir);
if (!testdir("Temp dir", testdirname))
return EXIT_FAILURE;
snprintf(testdirname, 400, "%s/smartpls", config.varlibdir);
if (!testdir("Smartpls dir", testdirname))
return EXIT_FAILURE;
snprintf(testdirname, 400, "%s/state", config.varlibdir);
if (!testdir("State dir", testdirname))
return EXIT_FAILURE;
//Create working threads
pthread_t mpd_client_thread, web_server_thread, mympd_api_thread;
//mpd connection
pthread_create(&mpd_client_thread, NULL, mpd_client_loop, &config);
//webserver
pthread_create(&web_server_thread, NULL, web_server_loop, &mgr);
//mympd api
pthread_create(&mympd_api_thread, NULL, mympd_api_loop, &config);
//Outsourced all work to separate threads, do nothing...
//cleanup
pthread_join(mpd_client_thread, NULL);
pthread_join(web_server_thread, NULL);
tiny_queue_free(web_server_queue);
tiny_queue_free(mpd_client_queue);
tiny_queue_free(mympd_api_queue);
return EXIT_SUCCESS;
}
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