示例#1
0
/* init phase :
 * 1) read configuration file
 * 2) read command line arguments
 * 3) daemonize
 * 4) check and write pid file
 * 5) set startup time stamp
 * 6) compute presentation URL
 * 7) set signal handlers */
static int
init(int argc, char * * argv)
{
	int i;
	int pid;
	int debug_flag = 0;
	int verbose_flag = 0;
	int options_flag = 0;
	struct sigaction sa;
	const char * presurl = NULL;
	const char * optionsfile = "/etc/minidlna.conf";
	char mac_str[13];
	char * string, * word;
	enum media_types type;
	char * path;
	char buf[PATH_MAX];
	char ip_addr[INET_ADDRSTRLEN + 3] = {'\0'};
	char log_str[72] = "general,artwork,database,inotify,scanner,metadata,http,ssdp,tivo=warn";
	char *log_level = NULL;

	/* first check if "-f" option is used */
	for(i=2; i<argc; i++)
	{
		if(0 == strcmp(argv[i-1], "-f"))
		{
			optionsfile = argv[i];
			options_flag = 1;
			break;
		}
	}

	/* set up uuid based on mac address */
	if( getsyshwaddr(mac_str, sizeof(mac_str)) < 0 )
	{
		DPRINTF(E_OFF, L_GENERAL, "No MAC address found.  Falling back to generic UUID.\n");
		strcpy(mac_str, "554e4b4e4f57");
	}
	strcpy(uuidvalue+5, "4d696e69-444c-164e-9d41-");
	strncat(uuidvalue, mac_str, 12);

	getfriendlyname(friendly_name, FRIENDLYNAME_MAX_LEN);
	
	runtime_vars.port = -1;
	runtime_vars.notify_interval = 895;	/* seconds between SSDP announces */
	runtime_vars.root_container = NULL;

	/* read options file first since
	 * command line arguments have final say */
	if(readoptionsfile(optionsfile) < 0)
	{
		/* only error if file exists or using -f */
		if(access(optionsfile, F_OK) == 0 || options_flag)
			DPRINTF(E_ERROR, L_GENERAL, "Error reading configuration file %s\n", optionsfile);
	}
	else
	{
		for(i=0; i<num_options; i++)
		{
			switch(ary_options[i].id)
			{
			case UPNPIFNAME:
				for( string = ary_options[i].value; (word = strtok(string, ",")); string = NULL )
				{
					if(n_lan_addr < MAX_LAN_ADDR)
					{
						if(getifaddr(word, ip_addr, sizeof(ip_addr)) >= 0)
						{
							if( *ip_addr && parselanaddr(&lan_addr[n_lan_addr], ip_addr) == 0 )
								if(n_lan_addr < MAX_LAN_ADDR)
									n_lan_addr++;
						}
					}
					else
					{
						DPRINTF(E_ERROR, L_GENERAL, "Too many listening ips (max: %d), ignoring %s\n",
				    		    MAX_LAN_ADDR, word);
					}
				}
				break;
			case UPNPLISTENING_IP:
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr],
					             ary_options[i].value) == 0)
						n_lan_addr++;
				}
				else
				{
					DPRINTF(E_ERROR, L_GENERAL, "Too many listening ips (max: %d), ignoring %s\n",
			    		    MAX_LAN_ADDR, ary_options[i].value);
				}
				break;
			case UPNPPORT:
				runtime_vars.port = atoi(ary_options[i].value);
				break;
			case UPNPPRESENTATIONURL:
				presurl = ary_options[i].value;
				break;
			case UPNPNOTIFY_INTERVAL:
				runtime_vars.notify_interval = atoi(ary_options[i].value);
				break;
			case UPNPSERIAL:
				strncpyt(serialnumber, ary_options[i].value, SERIALNUMBER_MAX_LEN);
				break;				
			case UPNPMODEL_NAME:
				strncpyt(modelname, ary_options[i].value, MODELNAME_MAX_LEN);
				break;
			case UPNPMODEL_NUMBER:
				strncpyt(modelnumber, ary_options[i].value, MODELNUMBER_MAX_LEN);
				break;
			case UPNPFRIENDLYNAME:
				strncpyt(friendly_name, ary_options[i].value, FRIENDLYNAME_MAX_LEN);
				break;
			case UPNPMEDIADIR:
				type = ALL_MEDIA;
				char * myval = NULL;
				switch( ary_options[i].value[0] )
				{
				case 'A':
				case 'a':
					if( ary_options[i].value[0] == 'A' || ary_options[i].value[0] == 'a' )
						type = AUDIO_ONLY;
				case 'V':
				case 'v':
					if( ary_options[i].value[0] == 'V' || ary_options[i].value[0] == 'v' )
						type = VIDEO_ONLY;
				case 'P':
				case 'p':
					if( ary_options[i].value[0] == 'P' || ary_options[i].value[0] == 'p' )
						type = IMAGES_ONLY;
					myval = index(ary_options[i].value, '/');
				case '/':
					path = realpath(myval ? myval:ary_options[i].value, buf);
					if( !path )
						path = (myval ? myval:ary_options[i].value);
					if( access(path, F_OK) != 0 )
					{
						DPRINTF(E_ERROR, L_GENERAL, "Media directory \"%s\" not accessible! [%s]\n",
						        path, strerror(errno));
						break;
					}
					struct media_dir_s * this_dir = calloc(1, sizeof(struct media_dir_s));
					this_dir->path = strdup(path);
					this_dir->type = type;
					if( !media_dirs )
					{
						media_dirs = this_dir;
					}
					else
					{
						struct media_dir_s * all_dirs = media_dirs;
						while( all_dirs->next )
							all_dirs = all_dirs->next;
						all_dirs->next = this_dir;
					}
					break;
				default:
					DPRINTF(E_ERROR, L_GENERAL, "Media directory entry not understood! [%s]\n",
					        ary_options[i].value);
					break;
				}
				break;
			case UPNPALBUMART_NAMES:
				for( string = ary_options[i].value; (word = strtok(string, "/")); string = NULL )
				{
					struct album_art_name_s * this_name = calloc(1, sizeof(struct album_art_name_s));
					int len = strlen(word);
					if( word[len-1] == '*' )
					{
						word[len-1] = '\0';
						this_name->wildcard = 1;
					}
					this_name->name = strdup(word);
					if( !album_art_names )
					{
						album_art_names = this_name;
					}
					else
					{
						struct album_art_name_s * all_names = album_art_names;
						while( all_names->next )
							all_names = all_names->next;
						all_names->next = this_name;
					}
				}
				break;
			case UPNPDBDIR:
				path = realpath(ary_options[i].value, buf);
				if( !path )
					path = (ary_options[i].value);
				make_dir(path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
				if( access(path, F_OK) != 0 )
				{
					DPRINTF(E_FATAL, L_GENERAL, "Database path not accessible! [%s]\n", path);
					break;
				}
				strncpyt(db_path, path, PATH_MAX);
				break;
			case UPNPLOGDIR:
				path = realpath(ary_options[i].value, buf);
				if( !path )
					path = (ary_options[i].value);
				make_dir(path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
				if( access(path, F_OK) != 0 )
				{
					DPRINTF(E_FATAL, L_GENERAL, "Log path not accessible! [%s]\n", path);
					break;
				}
				strncpyt(log_path, path, PATH_MAX);
				break;
			case UPNPLOGLEVEL:
				log_level = ary_options[i].value;
				break;
			case UPNPINOTIFY:
				if( (strcmp(ary_options[i].value, "yes") != 0) && !atoi(ary_options[i].value) )
					CLEARFLAG(INOTIFY_MASK);
				break;
			case ENABLE_TIVO:
				if( (strcmp(ary_options[i].value, "yes") == 0) || atoi(ary_options[i].value) )
					SETFLAG(TIVO_MASK);
				break;
			case ENABLE_DLNA_STRICT:
				if( (strcmp(ary_options[i].value, "yes") == 0) || atoi(ary_options[i].value) )
					SETFLAG(DLNA_STRICT_MASK);
				break;
			case ROOT_CONTAINER:
				switch( ary_options[i].value[0] )
				{
				case '.':
					runtime_vars.root_container = NULL;
					break;
				case 'B':
				case 'b':
					runtime_vars.root_container = BROWSEDIR_ID;
					break;
				case 'M':
				case 'm':
					runtime_vars.root_container = MUSIC_ID;
					break;
				case 'V':
				case 'v':
					runtime_vars.root_container = VIDEO_ID;
					break;
				case 'P':
				case 'p':
					runtime_vars.root_container = IMAGE_ID;
					break;
				default:
					DPRINTF(E_ERROR, L_GENERAL, "Invalid root container! [%s]\n",
						ary_options[i].value);
					break;
				}
				break;
			case UPNPMINISSDPDSOCKET:
				minissdpdsocketpath = ary_options[i].value;
				break;
			default:
				DPRINTF(E_ERROR, L_GENERAL, "Unknown option in file %s\n",
				        optionsfile);
			}
		}
	}
	if( log_path[0] == '\0' )
	{
		if( db_path[0] == '\0' )
			strncpyt(log_path, DEFAULT_LOG_PATH, PATH_MAX);
		else
			strncpyt(log_path, db_path, PATH_MAX);
	}
	if( db_path[0] == '\0' )
		strncpyt(db_path, DEFAULT_DB_PATH, PATH_MAX);

	/* command line arguments processing */
	for(i=1; i<argc; i++)
	{
		if(argv[i][0]!='-')
		{
			DPRINTF(E_ERROR, L_GENERAL, "Unknown option: %s\n", argv[i]);
		}
		else if(strcmp(argv[i], "--help")==0)
		{
			runtime_vars.port = 0;
			break;
		}
		else switch(argv[i][1])
		{
		case 't':
			if(i+1 < argc)
				runtime_vars.notify_interval = atoi(argv[++i]);
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 's':
			if(i+1 < argc)
				strncpyt(serialnumber, argv[++i], SERIALNUMBER_MAX_LEN);
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'm':
			if(i+1 < argc)
				strncpyt(modelnumber, argv[++i], MODELNUMBER_MAX_LEN);
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'p':
			if(i+1 < argc)
				runtime_vars.port = atoi(argv[++i]);
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'P':
			if(i+1 < argc)
				pidfilename = argv[++i];
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'd':
			debug_flag = 1;
		case 'v':
			verbose_flag = 1;
			break;
		case 'L':
			SETFLAG(NO_PLAYLIST_MASK);
			break;
		case 'w':
			if(i+1 < argc)
				presurl = argv[++i];
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'a':
			if(i+1 < argc)
			{
				int address_already_there = 0;
				int j;
				i++;
				for(j=0; j<n_lan_addr; j++)
				{
					struct lan_addr_s tmpaddr;
					parselanaddr(&tmpaddr, argv[i]);
					if(0 == strcmp(lan_addr[j].str, tmpaddr.str))
						address_already_there = 1;
				}
				if(address_already_there)
					break;
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr], argv[i]) == 0)
						n_lan_addr++;
				}
				else
				{
					DPRINTF(E_ERROR, L_GENERAL, "Too many listening ips (max: %d), ignoring %s\n",
				    	    MAX_LAN_ADDR, argv[i]);
				}
			}
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'i':
			if(i+1 < argc)
			{
				int address_already_there = 0;
				int j;
				i++;
				if( getifaddr(argv[i], ip_addr, sizeof(ip_addr)) < 0 )
				{
					DPRINTF(E_FATAL, L_GENERAL, "Required network interface '%s' not found.\n",
						argv[i]);
				}
				for(j=0; j<n_lan_addr; j++)
				{
					struct lan_addr_s tmpaddr;
					parselanaddr(&tmpaddr, ip_addr);
					if(0 == strcmp(lan_addr[j].str, tmpaddr.str))
						address_already_there = 1;
				}
				if(address_already_there)
					break;
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr], ip_addr) == 0)
						n_lan_addr++;
				}
				else
				{
					DPRINTF(E_ERROR, L_GENERAL, "Too many listening ips (max: %d), ignoring %s\n",
				    	    MAX_LAN_ADDR, argv[i]);
				}
			}
			else
				DPRINTF(E_ERROR, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'f':
			i++;	/* discarding, the config file is already read */
			break;
		case 'h':
			runtime_vars.port = 0; // triggers help display
			break;
		case 'R':
			snprintf(buf, sizeof(buf), "rm -rf %s/files.db %s/art_cache", db_path, db_path);
			if( system(buf) != 0 )
				DPRINTF(E_WARN, L_GENERAL, "Failed to clean old file cache.\n");
			break;
		case 'V':
			printf("Version " MINIDLNA_VERSION "\n");
			exit(0);
			break;
		default:
			DPRINTF(E_ERROR, L_GENERAL, "Unknown option: %s\n", argv[i]);
		}
	}
	/* If no IP was specified, try to detect one */
	if( n_lan_addr < 1 )
	{
		if( (getsysaddr(ip_addr, sizeof(ip_addr)) < 0) &&
		    (getifaddr("eth0", ip_addr, sizeof(ip_addr)) < 0) &&
		    (getifaddr("eth1", ip_addr, sizeof(ip_addr)) < 0) )
		{
			DPRINTF(E_OFF, L_GENERAL, "No IP address automatically detected!\n");
		}
		if( *ip_addr && parselanaddr(&lan_addr[n_lan_addr], ip_addr) == 0 )
		{
			n_lan_addr++;
		}
	}

	if( (n_lan_addr==0) || (runtime_vars.port<=0) )
	{
		DPRINTF(E_ERROR, L_GENERAL, "Usage:\n\t"
		        "%s [-d] [-v] [-f config_file]\n"
			"\t\t[-a listening_ip] [-p port]\n"
			/*"[-l logfile] " not functionnal */
			"\t\t[-s serial] [-m model_number] \n"
			"\t\t[-t notify_interval] [-P pid_filename]\n"
			"\t\t[-w url] [-R] [-V] [-h]\n"
		        "\nNotes:\n\tNotify interval is in seconds. Default is 895 seconds.\n"
			"\tDefault pid file is %s.\n"
			"\tWith -d minidlna will run in debug mode (not daemonize).\n"
			"\t-w sets the presentation url. Default is http address on port 80\n"
			"\t-h displays this text\n"
			"\t-R forces a full rescan\n"
			"\t-L do note create playlists\n"
			"\t-V print the version number\n",
		        argv[0], pidfilename);
		return 1;
	}

	if( verbose_flag )
	{
		strcpy(log_str+65, "debug");
		log_level = log_str;
	}
	else if( !log_level )
	{
		log_level = log_str;
	}
	if(debug_flag)
	{
		pid = getpid();
		log_init(NULL, log_level);
	}
	else
	{
		pid = daemonize();
		#ifdef READYNAS
		log_init("/var/log/upnp-av.log", log_level);
		#else
		if( access(db_path, F_OK) != 0 )
			make_dir(db_path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
		sprintf(buf, "%s/minidlna.log", log_path);
		log_init(buf, log_level);
		#endif
	}

	if(checkforrunning(pidfilename) < 0)
	{
		DPRINTF(E_ERROR, L_GENERAL, "MiniDLNA is already running. EXITING.\n");
		return 1;
	}	

	set_startup_time();

	/* presentation url */
	if(presurl)
		strncpyt(presentationurl, presurl, PRESENTATIONURL_MAX_LEN);
	else
		strcpy(presentationurl, "/");

	/* set signal handler */
	memset(&sa, 0, sizeof(struct sigaction));
	sa.sa_handler = sigterm;
	if (sigaction(SIGTERM, &sa, NULL))
	{
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set SIGTERM handler. EXITING.\n");
	}
	if (sigaction(SIGINT, &sa, NULL))
	{
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set SIGINT handler. EXITING.\n");
	}

	if(signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
		DPRINTF(E_FATAL, L_GENERAL, "Failed to ignore SIGPIPE signals. EXITING.\n");
	}

	writepidfile(pidfilename, pid);

	return 0;
}
示例#2
0
/* main(): program entry point */
int main(int argc, char * * argv)
{
	int ret = 0;
	int pid;
	struct sigaction sa;
	char buf[1500];
	ssize_t n;
	int s_ssdp = -1;	/* udp socket receiving ssdp packets */
#ifdef ENABLE_IPV6
	int s_ssdp6 = -1;	/* udp socket receiving ssdp packets IPv6*/
#else
#define s_ssdp6 (-1)
#endif
	int s_unix = -1;	/* unix socket communicating with clients */
	int s_ifacewatch = -1;	/* socket to receive Route / network interface config changes */
	int s;
	LIST_HEAD(reqstructhead, reqelem) reqlisthead;
	struct reqelem * req;
	struct reqelem * reqnext;
	fd_set readfds;
	const char * if_addr[MAX_IF_ADDR];
	int n_if_addr = 0;
	int i;
	const char * sockpath = "/var/run/minissdpd.sock";
	const char * pidfilename = "/var/run/minissdpd.pid";
	int debug_flag = 0;
	int ipv6 = 0;
	int deltadev = 0;
	struct sockaddr_in sendername;
	socklen_t sendername_len;
#ifdef ENABLE_IPV6
	struct sockaddr_in6 sendername6;
	socklen_t sendername6_len;
#endif

	LIST_INIT(&reqlisthead);
	LIST_INIT(&servicelisthead);
	/* process command line */
	for(i=1; i<argc; i++)
	{
		if(0==strcmp(argv[i], "-i")) {
			if(n_if_addr < MAX_IF_ADDR)
				if_addr[n_if_addr++] = argv[++i];
			else
				syslog(LOG_WARNING, "Max number of interface address set to %d, "
				       "ignoring %s", MAX_IF_ADDR, argv[++i]);
		} else if(0==strcmp(argv[i], "-d"))
			debug_flag = 1;
		else if(0==strcmp(argv[i], "-s"))
			sockpath = argv[++i];
		else if(0==strcmp(argv[i], "-p"))
			pidfilename = argv[++i];
#ifdef ENABLE_IPV6
		else if(0==strcmp(argv[i], "-6"))
			ipv6 = 1;
#endif
	}
	if(n_if_addr < 1)
	{
		fprintf(stderr,
		        "Usage: %s [-d] [-6] [-s socket] [-p pidfile] "
				"-i <interface> [-i <interface2>] ...\n",
		        argv[0]);
		fprintf(stderr,
		        "\n  <interface> is either an IPv4 address such as 192.168.1.42, or an\ninterface name such as eth0.\n");
		fprintf(stderr,
		        "\n  By default, socket will be open as %s\n"
		        "and pid written to file %s\n",
		        sockpath, pidfilename);
		return 1;
	}

	/* open log */
	openlog("minissdpd",
	        LOG_CONS|LOG_PID|(debug_flag?LOG_PERROR:0),
			LOG_MINISSDPD);
	if(!debug_flag) /* speed things up and ignore LOG_INFO and LOG_DEBUG */
		setlogmask(LOG_UPTO(LOG_NOTICE));
	
	if(checkforrunning(pidfilename) < 0)
	{
		syslog(LOG_ERR, "MiniSSDPd is already running. EXITING");
		return 1;
	}

	/* set signal handlers */
	memset(&sa, 0, sizeof(struct sigaction));
	sa.sa_handler = sigterm;
	if(sigaction(SIGTERM, &sa, NULL))
	{
		syslog(LOG_ERR, "Failed to set SIGTERM handler. EXITING");
		ret = 1;
		goto quit;
	}
	if(sigaction(SIGINT, &sa, NULL))
	{
		syslog(LOG_ERR, "Failed to set SIGINT handler. EXITING");
		ret = 1;
		goto quit;
	}
	/* open route/interface config changes socket */
	s_ifacewatch = OpenAndConfInterfaceWatchSocket();
	/* open UDP socket(s) for receiving SSDP packets */
	s_ssdp = OpenAndConfSSDPReceiveSocket(n_if_addr, if_addr, 0);
	if(s_ssdp < 0)
	{
		syslog(LOG_ERR, "Cannot open socket for receiving SSDP messages, exiting");
		ret = 1;
		goto quit;
	}
#ifdef ENABLE_IPV6
	if(ipv6) {
		s_ssdp6 = OpenAndConfSSDPReceiveSocket(n_if_addr, if_addr, 1);
		if(s_ssdp6 < 0)
		{
			syslog(LOG_ERR, "Cannot open socket for receiving SSDP messages (IPv6), exiting");
			ret = 1;
			goto quit;
		}
	}
#endif
	/* Open Unix socket to communicate with other programs on
	 * the same machine */
	s_unix = OpenUnixSocket(sockpath);
	if(s_unix < 0)
	{
		syslog(LOG_ERR, "Cannot open unix socket for communicating with clients. Exiting");
		ret = 1;
		goto quit;
	}

	/* drop privileges */
#if 0
	/* if we drop privileges, how to unlink(/var/run/minissdpd.sock) ? */
	if(getuid() == 0) {
		struct passwd * user;
		struct group * group;
		user = getpwnam("nobody");
		if(!user) {
			syslog(LOG_ERR, "getpwnam(\"%s\") : %m", "nobody");
			ret = 1;
			goto quit;
		}
		group = getgrnam("nogroup");
		if(!group) {
			syslog(LOG_ERR, "getgrnam(\"%s\") : %m", "nogroup");
			ret = 1;
			goto quit;
		}
		if(setgid(group->gr_gid) < 0) {
			syslog(LOG_ERR, "setgit(%d) : %m", group->gr_gid);
			ret = 1;
			goto quit;
		}
		if(setuid(user->pw_uid) < 0) {
			syslog(LOG_ERR, "setuid(%d) : %m", user->pw_uid);
			ret = 1;
			goto quit;
		}
	}
#endif

	/* daemonize or in any case get pid ! */
	if(debug_flag)
		pid = getpid();
	else {
#ifdef USE_DAEMON
		if(daemon(0, 0) < 0)
			perror("daemon()");
		pid = getpid();
#else
		pid = daemonize();
#endif
	}

	writepidfile(pidfilename, pid);

	/* Main loop */
	while(!quitting)
	{
		/* fill readfds fd_set */
		FD_ZERO(&readfds);
		if(s_ssdp >= 0) {
			FD_SET(s_ssdp, &readfds);
		}
#ifdef ENABLE_IPV6
		if(s_ssdp6 >= 0) {
			FD_SET(s_ssdp6, &readfds);
		}
#endif
		if(s_ifacewatch >= 0) {
			FD_SET(s_ifacewatch, &readfds);
		}
		FD_SET(s_unix, &readfds);
		for(req = reqlisthead.lh_first; req; req = req->entries.le_next)
		{
			if(req->socket >= 0)
				FD_SET(req->socket, &readfds);
		}
		/* select call */
		if(select(FD_SETSIZE, &readfds, 0, 0, 0) < 0)
		{
			if(errno != EINTR)
				syslog(LOG_ERR, "select: %m");
			break;
		}
#ifdef ENABLE_IPV6
		if((s_ssdp6 >= 0) && FD_ISSET(s_ssdp6, &readfds))
		{
			sendername6_len = sizeof(struct sockaddr_in6);
			n = recvfrom(s_ssdp6, buf, sizeof(buf), 0,
			             (struct sockaddr *)&sendername6, &sendername6_len);
			if(n<0)
			{
				syslog(LOG_ERR, "recvfrom: %m");
			}
			else
			{
				/* Parse and process the packet received */
				/*printf("%.*s", n, buf);*/
				i = ParseSSDPPacket(s_ssdp6, buf, n,
				                    (struct sockaddr *)&sendername6);
				syslog(LOG_DEBUG, "** i=%d deltadev=%d **", i, deltadev);
				if(i==0 || (i*deltadev < 0))
				{
					if(deltadev > 0)
						syslog(LOG_NOTICE, "%d new devices added", deltadev);
					else if(deltadev < 0)
						syslog(LOG_NOTICE, "%d devices removed (good-bye!)", -deltadev);
					deltadev = i;
				}
				else if((i*deltadev) >= 0)
				{
					deltadev += i;
				}
			}
		}
#endif
		if(FD_ISSET(s_ssdp, &readfds))
		{
			sendername_len = sizeof(struct sockaddr_in);
			n = recvfrom(s_ssdp, buf, sizeof(buf), 0,
			             (struct sockaddr *)&sendername, &sendername_len);
			if(n<0)
			{
				syslog(LOG_ERR, "recvfrom: %m");
			}
			else
			{
				/* Parse and process the packet received */
				/*printf("%.*s", n, buf);*/
				i = ParseSSDPPacket(s_ssdp, buf, n,
				                    (struct sockaddr *)&sendername);
				syslog(LOG_DEBUG, "** i=%d deltadev=%d **", i, deltadev);
				if(i==0 || (i*deltadev < 0))
				{
					if(deltadev > 0)
						syslog(LOG_NOTICE, "%d new devices added", deltadev);
					else if(deltadev < 0)
						syslog(LOG_NOTICE, "%d devices removed (good-bye!)", -deltadev);
					deltadev = i;
				}
				else if((i*deltadev) >= 0)
				{
					deltadev += i;
				}
			}
		}
		/* processing unix socket requests */
		for(req = reqlisthead.lh_first; req;)
		{
			reqnext = req->entries.le_next;
			if((req->socket >= 0) && FD_ISSET(req->socket, &readfds))
			{
				processRequest(req);
			}
			if(req->socket < 0)
			{
				LIST_REMOVE(req, entries);
				free(req);
			}
			req = reqnext;
		}
		/* processing new requests */
		if(FD_ISSET(s_unix, &readfds))
		{
			struct reqelem * tmp;
			s = accept(s_unix, NULL, NULL);
			if(s<0)
			{
				syslog(LOG_ERR, "accept(s_unix): %m");
			}
			else
			{
				syslog(LOG_INFO, "(s=%d) new request connection", s);
				tmp = malloc(sizeof(struct reqelem));
				if(!tmp)
				{
					syslog(LOG_ERR, "cannot allocate memory for request");
					close(s);
				}
				else
				{
					tmp->socket = s;
					LIST_INSERT_HEAD(&reqlisthead, tmp, entries);
				}
			}
		}
		/* processing route/network interface config changes */
		if((s_ifacewatch >= 0) && FD_ISSET(s_ifacewatch, &readfds)) {
			ProcessInterfaceWatch(s_ifacewatch, s_ssdp, s_ssdp6, n_if_addr, if_addr);
		}
	}

	/* closing and cleaning everything */
quit:
	if(s_ssdp >= 0) {
		close(s_ssdp);
		s_ssdp = -1;
	}
#ifdef ENABLE_IPV6
	if(s_ssdp6 >= 0) {
		close(s_ssdp6);
		s_ssdp6 = -1;
	}
#endif
	if(s_unix >= 0) {
		close(s_unix);
		s_unix = -1;
		if(unlink(sockpath) < 0)
			syslog(LOG_ERR, "unlink(%s): %m", sockpath);
	}
	if(s_ifacewatch >= 0) {
		close(s_ifacewatch);
		s_ifacewatch = -1;
	}
	if(unlink(pidfilename) < 0)
		syslog(LOG_ERR, "unlink(%s): %m", pidfilename);
	closelog();
	return ret;
}
示例#3
0
/* This is the daemon's main work - listen for connections and spawn.  */
static void run_daemon (void) 
{
	pid_t pid;
	fd_set serverfds;
	fd_set sslrds;
	int maxfd;

	loadconfig ();
	init_sockets (&serverfds, &sslrds, &maxfd);
	if (cfg.EnableSSL) 
	    ssl_init();

	curl_global_init(CURL_GLOBAL_ALL);
	curl = curl_easy_init();
	if ( !curl ) {
		syslog(LOG_ERR, "curlGetURL: cant initialize curl!");
		return;
	}

	if (! test_only) {
		writepidfile ();

		if (getuid () == 0) {
			struct passwd *pwent;
			if ((pwent = getpwnam (cfg.RunAsUser)) == NULL)
				die ("Unknown user %s, check configuration", cfg.RunAsUser);

			if (setuid (pwent->pw_uid))
				die ("Cant setuid %s", cfg.RunAsUser);
		}
		errno = 0;
	}

	daemon_chdir ();

	load_servers();
	loadactive();
	loadoverviewfmt();
	load_access_conf();
	load_statsfile();
//	init_cache();

	master->serverstart = time (NULL);
	master->nrforks = 0;

#if defined(_SC_NPROCESSORS_ONLN)
	master->numcores = sysconf(_SC_NPROCESSORS_ONLN);
	info("Found %d CPU cores", master->numcores);
#else
	info("No CPU core binding support");
#endif

	if ((master->semid = semlock_init (MASTER_SEMKEY)) == -1) 
		die ("semlock_init: semget failed: %m");

	if (test_only) {
		info ("Startup Test Successfull, Exiting..");
		syslog_close ();
		exit (0);
	}

	info ("NNTP Server Starting..");

	if (!opt_stay) {
		syslog_close ();

		pid = init_daemon (serverfds);

		syslog_open ("nntpswitchd", LOG_PID, LOG_NEWS);

		if (pid < 0) die ("Can't fork");

		/* 2nd time, with the right pid, as user news */
		writepidfile ();
	}

	// start the timer process for statistics
	if ( cfg.StatsFilePeriod > 0 )
		timerpid = run_timer_loop();

	info("Server running new pid %d uid %d euid %d timerpid %d"
			, (int)getpid(), (int)getuid(), (int)geteuid(), (int)timerpid);

	setproctitle("nntpswitchd: waiting for connections");

	daemon_select_loop (serverfds, sslrds, maxfd);
}
示例#4
0
/* init phase :
 * 1) read configuration file
 * 2) read command line arguments
 * 3) daemonize
 * 4) check and write pid file
 * 5) set startup time stamp
 * 6) compute presentation URL
 * 7) set signal handlers */
static int
init(int argc, char **argv)
{
	int i;
	int pid;
	int debug_flag = 0;
	int verbose_flag = 0;
	int options_flag = 0;
	struct sigaction sa;
	const char * presurl = NULL;
	const char * optionsfile = "/etc/minidlna.conf";
	char mac_str[13];
	char *string, *word;
	char *path;
	char buf[PATH_MAX];
	char log_str[75] = "general,artwork,database,inotify,scanner,metadata,http,ssdp,tivo=warn";
	char *log_level = NULL;
	struct media_dir_s *media_dir;
	int ifaces = 0;
	media_types types;
	uid_t uid = 0;

	/* first check if "-f" option is used */
	for (i=2; i<argc; i++)
	{
		if (strcmp(argv[i-1], "-f") == 0)
		{
			optionsfile = argv[i];
			options_flag = 1;
			break;
		}
	}

	/* set up uuid based on mac address */
	if (getsyshwaddr(mac_str, sizeof(mac_str)) < 0)
	{
		DPRINTF(E_OFF, L_GENERAL, "No MAC address found.  Falling back to generic UUID.\n");
		strcpy(mac_str, "554e4b4e4f57");
	}
	strcpy(uuidvalue+5, "4d696e69-444c-164e-9d41-");
	strncat(uuidvalue, mac_str, 12);

	getfriendlyname(friendly_name, FRIENDLYNAME_MAX_LEN);
	
	runtime_vars.port = 8200;
	runtime_vars.notify_interval = 895;	/* seconds between SSDP announces */
	runtime_vars.max_connections = 50;
	runtime_vars.root_container = NULL;
	runtime_vars.ifaces[0] = NULL;

	/* read options file first since
	 * command line arguments have final say */
	if (readoptionsfile(optionsfile) < 0)
	{
		/* only error if file exists or using -f */
		if(access(optionsfile, F_OK) == 0 || options_flag)
			DPRINTF(E_FATAL, L_GENERAL, "Error reading configuration file %s\n", optionsfile);
	}

	for (i=0; i<num_options; i++)
	{
		switch (ary_options[i].id)
		{
		case UPNPIFNAME:
			for (string = ary_options[i].value; (word = strtok(string, ",")); string = NULL)
			{
				if (ifaces >= MAX_LAN_ADDR)
				{
					DPRINTF(E_ERROR, L_GENERAL, "Too many interfaces (max: %d), ignoring %s\n",
						MAX_LAN_ADDR, word);
					break;
				}
				runtime_vars.ifaces[ifaces++] = word;
			}
			break;
		case UPNPPORT:
			runtime_vars.port = atoi(ary_options[i].value);
			break;
		case UPNPPRESENTATIONURL:
			presurl = ary_options[i].value;
			break;
		case UPNPNOTIFY_INTERVAL:
			runtime_vars.notify_interval = atoi(ary_options[i].value);
			break;
		case UPNPSERIAL:
			strncpyt(serialnumber, ary_options[i].value, SERIALNUMBER_MAX_LEN);
			break;				
		case UPNPMODEL_NAME:
			strncpyt(modelname, ary_options[i].value, MODELNAME_MAX_LEN);
			break;
		case UPNPMODEL_NUMBER:
			strncpyt(modelnumber, ary_options[i].value, MODELNUMBER_MAX_LEN);
			break;
		case UPNPFRIENDLYNAME:
			strncpyt(friendly_name, ary_options[i].value, FRIENDLYNAME_MAX_LEN);
			break;
		case UPNPMEDIADIR:
			types = ALL_MEDIA;
			path = ary_options[i].value;
			word = strchr(path, ',');
			if (word && (access(path, F_OK) != 0))
			{
				types = 0;
				while (*path)
				{
					if (*path == ',')
					{
						path++;
						break;
					}
					else if (*path == 'A' || *path == 'a')
						types |= TYPE_AUDIO;
					else if (*path == 'V' || *path == 'v')
						types |= TYPE_VIDEO;
					else if (*path == 'P' || *path == 'p')
						types |= TYPE_IMAGES;
					else
						DPRINTF(E_FATAL, L_GENERAL, "Media directory entry not understood [%s]\n",
							ary_options[i].value);
					path++;
				}
			}
			path = realpath(path, buf);
			if (!path || access(path, F_OK) != 0)
			{
				DPRINTF(E_ERROR, L_GENERAL, "Media directory \"%s\" not accessible [%s]\n",
					ary_options[i].value, strerror(errno));
				break;
			}
			media_dir = calloc(1, sizeof(struct media_dir_s));
			media_dir->path = strdup(path);
			media_dir->types = types;
			if (media_dirs)
			{
				struct media_dir_s *all_dirs = media_dirs;
				while( all_dirs->next )
					all_dirs = all_dirs->next;
				all_dirs->next = media_dir;
			}
			else
				media_dirs = media_dir;
			break;
		case UPNPALBUMART_NAMES:
			for (string = ary_options[i].value; (word = strtok(string, "/")); string = NULL)
			{
				struct album_art_name_s * this_name = calloc(1, sizeof(struct album_art_name_s));
				int len = strlen(word);
				if (word[len-1] == '*')
				{
					word[len-1] = '\0';
					this_name->wildcard = 1;
				}
				this_name->name = strdup(word);
				if (album_art_names)
				{
					struct album_art_name_s * all_names = album_art_names;
					while( all_names->next )
						all_names = all_names->next;
					all_names->next = this_name;
				}
				else
					album_art_names = this_name;
			}
			break;
		case UPNPDBDIR:
			path = realpath(ary_options[i].value, buf);
			if (!path)
				path = (ary_options[i].value);
			make_dir(path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
			if (access(path, F_OK) != 0)
				DPRINTF(E_FATAL, L_GENERAL, "Database path not accessible! [%s]\n", path);
			strncpyt(db_path, path, PATH_MAX);
			break;
		case UPNPLOGDIR:
			path = realpath(ary_options[i].value, buf);
			if (!path)
				path = (ary_options[i].value);
			make_dir(path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
			if (access(path, F_OK) != 0)
				DPRINTF(E_FATAL, L_GENERAL, "Log path not accessible! [%s]\n", path);
			strncpyt(log_path, path, PATH_MAX);
			break;
		case UPNPLOGLEVEL:
			log_level = ary_options[i].value;
			break;
		case UPNPINOTIFY:
			if (!strtobool(ary_options[i].value))
				CLEARFLAG(INOTIFY_MASK);
			break;
		case ENABLE_TIVO:
			if (strtobool(ary_options[i].value))
				SETFLAG(TIVO_MASK);
			break;
		case ENABLE_DLNA_STRICT:
			if (strtobool(ary_options[i].value))
				SETFLAG(DLNA_STRICT_MASK);
			break;
		case ROOT_CONTAINER:
			switch (ary_options[i].value[0]) {
			case '.':
				runtime_vars.root_container = NULL;
				break;
			case 'B':
			case 'b':
				runtime_vars.root_container = BROWSEDIR_ID;
				break;
			case 'M':
			case 'm':
				runtime_vars.root_container = MUSIC_ID;
				break;
			case 'V':
			case 'v':
				runtime_vars.root_container = VIDEO_ID;
				break;
			case 'P':
			case 'p':
				runtime_vars.root_container = IMAGE_ID;
				break;
			default:
				runtime_vars.root_container = ary_options[i].value;
				DPRINTF(E_WARN, L_GENERAL, "Using arbitrary root container [%s]\n",
					ary_options[i].value);
				break;
			}
			break;
		case UPNPMINISSDPDSOCKET:
			minissdpdsocketpath = ary_options[i].value;
			break;
		case UPNPUUID:
			strcpy(uuidvalue+5, ary_options[i].value);
			break;
		case USER_ACCOUNT:
			uid = strtoul(ary_options[i].value, &string, 0);
			if (*string)
			{
				/* Symbolic username given, not UID. */
				struct passwd *entry = getpwnam(ary_options[i].value);
				if (!entry)
					DPRINTF(E_FATAL, L_GENERAL, "Bad user '%s'.\n", argv[i]);
				uid = entry->pw_uid;
			}
			break;
		case FORCE_SORT_CRITERIA:
			force_sort_criteria = ary_options[i].value;
			break;
		case MAX_CONNECTIONS:
			runtime_vars.max_connections = atoi(ary_options[i].value);
			break;
		case MERGE_MEDIA_DIRS:
			if (strtobool(ary_options[i].value))
				SETFLAG(MERGE_MEDIA_DIRS_MASK);
			break;
		default:
			DPRINTF(E_ERROR, L_GENERAL, "Unknown option in file %s\n",
				optionsfile);
		}
	}
	if (log_path[0] == '\0')
	{
		if (db_path[0] == '\0')
			strncpyt(log_path, DEFAULT_LOG_PATH, PATH_MAX);
		else
			strncpyt(log_path, db_path, PATH_MAX);
	}
	if (db_path[0] == '\0')
		strncpyt(db_path, DEFAULT_DB_PATH, PATH_MAX);

	/* command line arguments processing */
	for (i=1; i<argc; i++)
	{
		if (argv[i][0] != '-')
		{
			DPRINTF(E_FATAL, L_GENERAL, "Unknown option: %s\n", argv[i]);
		}
		else if (strcmp(argv[i], "--help") == 0)
		{
			runtime_vars.port = -1;
			break;
		}
		else switch(argv[i][1])
		{
		case 't':
			if (i+1 < argc)
				runtime_vars.notify_interval = atoi(argv[++i]);
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 's':
			if (i+1 < argc)
				strncpyt(serialnumber, argv[++i], SERIALNUMBER_MAX_LEN);
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'm':
			if (i+1 < argc)
				strncpyt(modelnumber, argv[++i], MODELNUMBER_MAX_LEN);
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'p':
			if (i+1 < argc)
				runtime_vars.port = atoi(argv[++i]);
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'P':
			if (i+1 < argc)
			{
				if (argv[++i][0] != '/')
					DPRINTF(E_FATAL, L_GENERAL, "Option -%c requires an absolute filename.\n", argv[i-1][1]);
				else
					pidfilename = argv[i];
			}
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'd':
			debug_flag = 1;
		case 'v':
			verbose_flag = 1;
			break;
		case 'L':
			SETFLAG(NO_PLAYLIST_MASK);
			break;
		case 'w':
			if (i+1 < argc)
				presurl = argv[++i];
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'i':
			if (i+1 < argc)
			{
				i++;
				if (ifaces >= MAX_LAN_ADDR)
				{
					DPRINTF(E_ERROR, L_GENERAL, "Too many interfaces (max: %d), ignoring %s\n",
						MAX_LAN_ADDR, argv[i]);
					break;
				}
				runtime_vars.ifaces[ifaces++] = argv[i];
			}
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'f':
			i++;	/* discarding, the config file is already read */
			break;
		case 'h':
			runtime_vars.port = -1; // triggers help display
			break;
		case 'R':
			snprintf(buf, sizeof(buf), "rm -rf %s/files.db %s/art_cache", db_path, db_path);
			if (system(buf) != 0)
				DPRINTF(E_FATAL, L_GENERAL, "Failed to clean old file cache. EXITING\n");
			break;
		case 'u':
			if (i+1 != argc)
			{
				i++;
				uid = strtoul(argv[i], &string, 0);
				if (*string)
				{
					/* Symbolic username given, not UID. */
					struct passwd *entry = getpwnam(argv[i]);
					if (!entry)
						DPRINTF(E_FATAL, L_GENERAL, "Bad user '%s'.\n", argv[i]);
					uid = entry->pw_uid;
				}
			}
			else
				DPRINTF(E_FATAL, L_GENERAL, "Option -%c takes one argument.\n", argv[i][1]);
			break;
			break;
#ifdef __linux__
		case 'S':
			SETFLAG(SYSTEMD_MASK);
			break;
#endif
		case 'V':
			printf("Version " MINIDLNA_VERSION "\n");
			exit(0);
			break;
		default:
			DPRINTF(E_ERROR, L_GENERAL, "Unknown option: %s\n", argv[i]);
			runtime_vars.port = -1; // triggers help display
		}
	}

	if (runtime_vars.port <= 0)
	{
		printf("Usage:\n\t"
			"%s [-d] [-v] [-f config_file] [-p port]\n"
			"\t\t[-i network_interface] [-u uid_to_run_as]\n"
			"\t\t[-t notify_interval] [-P pid_filename]\n"
			"\t\t[-s serial] [-m model_number]\n"
#ifdef __linux__
			"\t\t[-w url] [-R] [-L] [-S] [-V] [-h]\n"
#else
			"\t\t[-w url] [-R] [-L] [-V] [-h]\n"
#endif
			"\nNotes:\n\tNotify interval is in seconds. Default is 895 seconds.\n"
			"\tDefault pid file is %s.\n"
			"\tWith -d minidlna will run in debug mode (not daemonize).\n"
			"\t-w sets the presentation url. Default is http address on port 80\n"
			"\t-v enables verbose output\n"
			"\t-h displays this text\n"
			"\t-R forces a full rescan\n"
			"\t-L do not create playlists\n"
#ifdef __linux__
			"\t-S changes behaviour for systemd\n"
#endif
			"\t-V print the version number\n",
			argv[0], pidfilename);
		return 1;
	}

	if (verbose_flag)
	{
		strcpy(log_str+65, "debug");
		log_level = log_str;
	}
	else if (!log_level)
		log_level = log_str;

	/* Set the default log file path to NULL (stdout) */
	path = NULL;
	if (debug_flag)
	{
		pid = getpid();
		strcpy(log_str+65, "maxdebug");
		log_level = log_str;
	}
	else if (GETFLAG(SYSTEMD_MASK))
	{
		pid = getpid();
	}
	else
	{
		pid = process_daemonize();
		#ifdef READYNAS
		unlink("/ramfs/.upnp-av_scan");
		path = "/var/log/upnp-av.log";
		#else
		if (access(db_path, F_OK) != 0)
			make_dir(db_path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
		snprintf(buf, sizeof(buf), "%s/minidlna.log", log_path);
		path = buf;
		#endif
	}
	log_init(path, log_level);

	if (process_check_if_running(pidfilename) < 0)
	{
		DPRINTF(E_ERROR, L_GENERAL, SERVER_NAME " is already running. EXITING.\n");
		return 1;
	}	

	set_startup_time();

	/* presentation url */
	if (presurl)
		strncpyt(presentationurl, presurl, PRESENTATIONURL_MAX_LEN);
	else
		strcpy(presentationurl, "/");

	/* set signal handlers */
	memset(&sa, 0, sizeof(struct sigaction));
	sa.sa_handler = sigterm;
	if (sigaction(SIGTERM, &sa, NULL))
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set %s handler. EXITING.\n", "SIGTERM");
	if (sigaction(SIGINT, &sa, NULL))
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set %s handler. EXITING.\n", "SIGINT");
	if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set %s handler. EXITING.\n", "SIGPIPE");
	if (signal(SIGHUP, &sighup) == SIG_ERR)
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set %s handler. EXITING.\n", "SIGHUP");
	signal(SIGUSR1, &sigusr1);
	sa.sa_handler = process_handle_child_termination;
	if (sigaction(SIGCHLD, &sa, NULL))
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set %s handler. EXITING.\n", "SIGCHLD");

	if (writepidfile(pidfilename, pid, uid) != 0)
		pidfilename = NULL;

	if (uid > 0)
	{
		struct stat st;
		if (stat(db_path, &st) == 0 && st.st_uid != uid && chown(db_path, uid, -1) != 0)
			DPRINTF(E_ERROR, L_GENERAL, "Unable to set db_path [%s] ownership to %d: %s\n",
				db_path, uid, strerror(errno));
	}

	if (uid > 0 && setuid(uid) == -1)
		DPRINTF(E_FATAL, L_GENERAL, "Failed to switch to uid '%d'. [%s] EXITING.\n",
			uid, strerror(errno));

	children = calloc(runtime_vars.max_connections, sizeof(struct child));
	if (!children)
	{
		DPRINTF(E_ERROR, L_GENERAL, "Allocation failed\n");
		return 1;
	}

	// remove working flag
	remove_scantag();

	return 0;
}
示例#5
0
/* init phase :
 * 1) read configuration file
 * 2) read command line arguments
 * 3) daemonize
 * 4) check and write pid file
 * 5) set startup time stamp
 * 6) compute presentation URL
 * 7) set signal handlers */
static int
init(int argc, char * * argv)
{
	int i;
	int pid;
	int debug_flag = 0;
	int options_flag = 0;
	struct sigaction sa;
	/*const char * logfilename = 0;*/
	const char * presurl = 0;
#if 1
	const char * optionsfile = "/system/etc/minidlna.conf";
#else
	const char * optionsfile = "/etc/minidlna.conf";
#endif
	char mac_str[13];
	char * string, * word;
	enum media_types type;
	char * path;
	char real_path[PATH_MAX];
	char ext_ip_addr[INET_ADDRSTRLEN] = {'\0'};

	/* first check if "-f" option is used */
	for(i=2; i<argc; i++)
	{
		if(0 == strcmp(argv[i-1], "-f"))
		{
			optionsfile = argv[i];
			options_flag = 1;
			break;
		}
	}

	/* set up uuid based on mac address */
	if( getsyshwaddr(mac_str, sizeof(mac_str)) < 0 )
	{
		DPRINTF(E_OFF, L_GENERAL, "No MAC address found.  Falling back to generic UUID.\n");
		strcpy(mac_str, "554e4b4e4f57");
	}
	strcpy(uuidvalue+5, "4d696e69-444c-164e-9d41-");
	strncat(uuidvalue, mac_str, 12);

	getfriendlyname(friendly_name, FRIENDLYNAME_MAX_LEN);
	
	runtime_vars.port = -1;
	runtime_vars.notify_interval = 895;	/* seconds between SSDP announces */

	/* read options file first since
	 * command line arguments have final say */
	if(readoptionsfile(optionsfile) < 0)
	{
		/* only error if file exists or using -f */
		if(access(optionsfile, F_OK) == 0 || options_flag)
			fprintf(stderr, "Error reading configuration file %s\n", optionsfile);
	}
	else
	{
		for(i=0; i<num_options; i++)
		{
			switch(ary_options[i].id)
			{
			case UPNPIFNAME:
				if(getifaddr(ary_options[i].value, ext_ip_addr, INET_ADDRSTRLEN) >= 0)
				{
					if( *ext_ip_addr && parselanaddr(&lan_addr[n_lan_addr], ext_ip_addr) == 0 )
						n_lan_addr++;
				}
				else
					fprintf(stderr, "Interface %s not found, ignoring.\n", ary_options[i].value);
				break;
			case UPNPLISTENING_IP:
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr],
					             ary_options[i].value) == 0)
						n_lan_addr++;
				}
				else
				{
					fprintf(stderr, "Too many listening ips (max: %d), ignoring %s\n",
			    		    MAX_LAN_ADDR, ary_options[i].value);
				}
				break;
			case UPNPPORT:
				runtime_vars.port = atoi(ary_options[i].value);
				break;
			case UPNPPRESENTATIONURL:
				presurl = ary_options[i].value;
				break;
			case UPNPNOTIFY_INTERVAL:
				runtime_vars.notify_interval = atoi(ary_options[i].value);
				break;
			case UPNPSERIAL:
				strncpy(serialnumber, ary_options[i].value, SERIALNUMBER_MAX_LEN);
				serialnumber[SERIALNUMBER_MAX_LEN-1] = '\0';
				break;				
			case UPNPMODEL_NUMBER:
				strncpy(modelnumber, ary_options[i].value, MODELNUMBER_MAX_LEN);
				modelnumber[MODELNUMBER_MAX_LEN-1] = '\0';
				break;
			case UPNPFRIENDLYNAME:
				strncpy(friendly_name, ary_options[i].value, FRIENDLYNAME_MAX_LEN);
				friendly_name[FRIENDLYNAME_MAX_LEN-1] = '\0';
				break;
			case UPNPMEDIADIR:
				type = ALL_MEDIA;
				char * myval = NULL;
				switch( ary_options[i].value[0] )
				{
				case 'A':
				case 'a':
					if( ary_options[i].value[0] == 'A' || ary_options[i].value[0] == 'a' )
						type = AUDIO_ONLY;
				case 'V':
				case 'v':
					if( ary_options[i].value[0] == 'V' || ary_options[i].value[0] == 'v' )
						type = VIDEO_ONLY;
				case 'P':
				case 'p':
					if( ary_options[i].value[0] == 'P' || ary_options[i].value[0] == 'p' )
						type = IMAGES_ONLY;
					myval = index(ary_options[i].value, '/');
				case '/':
					path = realpath(myval ? myval:ary_options[i].value, real_path);
					if( !path )
						path = (myval ? myval:ary_options[i].value);
					if( access(path, F_OK) != 0 )
					{
						fprintf(stderr, "Media directory not accessible! [%s]\n",
						        path);
						break;
					}
					struct media_dir_s * this_dir = calloc(1, sizeof(struct media_dir_s));
					this_dir->path = strdup(path);
					this_dir->type = type;
					if( !media_dirs )
					{
						media_dirs = this_dir;
					}
					else
					{
						struct media_dir_s * all_dirs = media_dirs;
						while( all_dirs->next )
							all_dirs = all_dirs->next;
						all_dirs->next = this_dir;
					}
					break;
				default:
					fprintf(stderr, "Media directory entry not understood! [%s]\n",
					        ary_options[i].value);
					break;
				}
				break;
			case UPNPALBUMART_NAMES:
				for( string = ary_options[i].value; (word = strtok(string, "/")); string = NULL ) {
					struct album_art_name_s * this_name = calloc(1, sizeof(struct album_art_name_s));
					this_name->name = strdup(word);
					if( !album_art_names )
					{
						album_art_names = this_name;
					}
					else
					{
						struct album_art_name_s * all_names = album_art_names;
						while( all_names->next )
							all_names = all_names->next;
						all_names->next = this_name;
					}
				}
				break;
			case UPNPINOTIFY:
				if( (strcmp(ary_options[i].value, "yes") != 0) && !atoi(ary_options[i].value) )
					CLEARFLAG(INOTIFY_MASK);
				break;
			case ENABLE_TIVO:
				if( (strcmp(ary_options[i].value, "yes") == 0) || atoi(ary_options[i].value) )
					SETFLAG(TIVO_MASK);
				break;
			case ENABLE_DLNA_STRICT:
				if( (strcmp(ary_options[i].value, "yes") == 0) || atoi(ary_options[i].value) )
					SETFLAG(DLNA_STRICT_MASK);
				break;
			default:
				fprintf(stderr, "Unknown option in file %s\n",
				        optionsfile);
			}
		}
	}

	/* command line arguments processing */
	for(i=1; i<argc; i++)
	{
		if(argv[i][0]!='-')
		{
			fprintf(stderr, "Unknown option: %s\n", argv[i]);
		}
		else if(strcmp(argv[i], "--help")==0)
		{
			runtime_vars.port = 0;
			break;
		}
		else switch(argv[i][1])
		{
		case 't':
			if(i+1 < argc)
				runtime_vars.notify_interval = atoi(argv[++i]);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 's':
			if(i+1 < argc)
				strncpy(serialnumber, argv[++i], SERIALNUMBER_MAX_LEN);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			serialnumber[SERIALNUMBER_MAX_LEN-1] = '\0';
			break;
		case 'm':
			if(i+1 < argc)
				strncpy(modelnumber, argv[++i], MODELNUMBER_MAX_LEN);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			modelnumber[MODELNUMBER_MAX_LEN-1] = '\0';
			break;
		/*case 'l':
			logfilename = argv[++i];
			break;*/
		case 'p':
			if(i+1 < argc)
				runtime_vars.port = atoi(argv[++i]);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'P':
			if(i+1 < argc)
				pidfilename = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'd':
			debug_flag = 1;
			break;
		case 'w':
			if(i+1 < argc)
				presurl = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'a':
			if(i+1 < argc)
			{
				int address_already_there = 0;
				int j;
				i++;
				for(j=0; j<n_lan_addr; j++)
				{
					struct lan_addr_s tmpaddr;
					parselanaddr(&tmpaddr, argv[i]);
					if(0 == strcmp(lan_addr[j].str, tmpaddr.str))
						address_already_there = 1;
				}
				if(address_already_there)
					break;
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr], argv[i]) == 0)
						n_lan_addr++;
				}
				else
				{
					fprintf(stderr, "Too many listening ips (max: %d), ignoring %s\n",
				    	    MAX_LAN_ADDR, argv[i]);
				}
			}
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'i':
			if(i+1 < argc)
			{
				int address_already_there = 0;
				int j;
				i++;
				if( getifaddr(argv[i], ext_ip_addr, INET_ADDRSTRLEN) < 0 )
				{
					fprintf(stderr, "Network interface '%s' not found.\n",
						argv[i]);
					exit(-1);
				}
				for(j=0; j<n_lan_addr; j++)
				{
					struct lan_addr_s tmpaddr;
					parselanaddr(&tmpaddr, ext_ip_addr);
					if(0 == strcmp(lan_addr[j].str, tmpaddr.str))
						address_already_there = 1;
				}
				if(address_already_there)
					break;
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr], ext_ip_addr) == 0)
						n_lan_addr++;
				}
				else
				{
					fprintf(stderr, "Too many listening ips (max: %d), ignoring %s\n",
				    	    MAX_LAN_ADDR, argv[i]);
				}
			}
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'f':
			i++;	/* discarding, the config file is already read */
			break;
		case 'h':
			runtime_vars.port = 0; // triggers help display
			break;
		case 'R':
			system("rm -rf " DB_PATH); // triggers a full rescan
			break;
		case 'V':
			printf("Version " MINIDLNA_VERSION "\n");
			exit(0);
			break;
		default:
			fprintf(stderr, "Unknown option: %s\n", argv[i]);
		}
	}
	/* If no IP was specified, try to detect one */
	if( n_lan_addr < 1 )
	{
		if( (getsysaddr(ext_ip_addr, INET_ADDRSTRLEN) < 0) &&
		    (getifaddr("eth0", ext_ip_addr, INET_ADDRSTRLEN) < 0) &&
		    (getifaddr("eth1", ext_ip_addr, INET_ADDRSTRLEN) < 0) )
		{
			DPRINTF(E_OFF, L_GENERAL, "No IP address automatically detected!\n");
		}
		if( *ext_ip_addr && parselanaddr(&lan_addr[n_lan_addr], ext_ip_addr) == 0 )
		{
			n_lan_addr++;
		}
	}

	if( (n_lan_addr==0) || (runtime_vars.port<=0) )
	{
		fprintf(stderr, "Usage:\n\t"
		        "%s [-d] [-f config_file]\n"
			"\t\t[-a listening_ip] [-p port]\n"
			/*"[-l logfile] " not functionnal */
			"\t\t[-s serial] [-m model_number] \n"
			"\t\t[-t notify_interval] [-P pid_filename]\n"
			"\t\t[-w url] [-R] [-V] [-h]\n"
		        "\nNotes:\n\tNotify interval is in seconds. Default is 895 seconds.\n"
			"\tDefault pid file is %s.\n"
			"\tWith -d minidlna will run in debug mode (not daemonize).\n"
			"\t-w sets the presentation url. Default is http address on port 80\n"
			"\t-h displays this text\n"
			"\t-R forces a full rescan\n"
			"\t-V print the version number\n",
		        argv[0], pidfilename);
		return 1;
	}

	if(debug_flag)
	{
		pid = getpid();
		log_init(NULL, "general,artwork,database,inotify,scanner,metadata,http,ssdp,tivo=debug");
	}
	else
	{
#ifdef USE_DAEMON
		if(daemon(0, 0)<0) {
			perror("daemon()");
		}
		pid = getpid();
#else
		pid = daemonize();
#endif
		#ifdef READYNAS
		log_init("/var/log/upnp-av.log", "general,artwork,database,inotify,scanner,metadata,http,ssdp,tivo=warn");
		#else
		log_init(DB_PATH "/minidlna.log", "general,artwork,database,inotify,scanner,metadata,http,ssdp,tivo=warn");
		#endif
	}

	if(checkforrunning(pidfilename) < 0)
	{
		DPRINTF(E_ERROR, L_GENERAL, "MiniDLNA is already running. EXITING.\n");
		return 1;
	}	

	set_startup_time();

	/* presentation url */
	if(presurl)
	{
		strncpy(presentationurl, presurl, PRESENTATIONURL_MAX_LEN);
		presentationurl[PRESENTATIONURL_MAX_LEN-1] = '\0';
	}
	else
	{
#ifdef READYNAS
		snprintf(presentationurl, PRESENTATIONURL_MAX_LEN,
		         "https://%s/admin/", lan_addr[0].str);
#else
		snprintf(presentationurl, PRESENTATIONURL_MAX_LEN,
		         "http://%s:%d/", lan_addr[0].str, runtime_vars.port);
#endif
	}

	/* set signal handler */
	//signal(SIGCLD, SIG_IGN);
	signal(SIGCHLD, SIG_IGN);
	memset(&sa, 0, sizeof(struct sigaction));
	sa.sa_handler = sigterm;
	if (sigaction(SIGTERM, &sa, NULL))
	{
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set SIGTERM handler. EXITING.\n");
	}
	if (sigaction(SIGINT, &sa, NULL))
	{
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set SIGINT handler. EXITING.\n");
	}

	if(signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
		DPRINTF(E_FATAL, L_GENERAL, "Failed to ignore SIGPIPE signals. EXITING.\n");
	}

	writepidfile(pidfilename, pid);

	return 0;
}
示例#6
0
/* init phase :
 * 1) read configuration file
 * 2) read command line arguments
 * 3) daemonize
 * 4) check and write pid file
 * 5) set startup time stamp
 * 6) set signal handlers */
static int
init(int argc, char * * argv)
{
	int i;
	int pid;
	int debug_flag = 0;
	int options_flag = 0;
	struct sigaction sa;
	/*const char * logfilename = 0;*/
	const char * presurl = 0;
	const char * optionsfile = "/etc/dlnaproxy.conf";
	char mac_str[13];
	char * string, * word;
	char * path;
	char real_path[PATH_MAX];
	char ip_addr[INET_ADDRSTRLEN + 3] = {'\0'};

	/* first check if "-f" option is used */
	for(i=2; i<argc; i++)
	{
		if(0 == strcmp(argv[i-1], "-f"))
		{
			optionsfile = argv[i];
			options_flag = 1;
			break;
		}
	}

	/* set up uuid based on mac address */
	if( getsyshwaddr(mac_str, sizeof(mac_str)) < 0 )
	{
		DPRINTF(E_OFF, L_GENERAL, "No MAC address found.  Falling back to generic UUID.\n");
		strcpy(mac_str, "554e4b4e4f57");
	}
	strcpy(uuidvalue+5, "4d696e69-444c-164e-9d41-");
	strncat(uuidvalue, mac_str, 12);

	getfriendlyname(friendly_name, FRIENDLYNAME_MAX_LEN);
	
	runtime_vars.port = -1;
	runtime_vars.notify_interval = 895;	/* seconds between SSDP announces */
	runtime_vars.rport = 50001;
	runtime_vars.rhost = "192.168.1.1";

	/* read options file first since
	 * command line arguments have final say */
	if(readoptionsfile(optionsfile) < 0)
	{
		/* only error if file exists or using -f */
		if(access(optionsfile, F_OK) == 0 || options_flag)
			fprintf(stderr, "Error reading configuration file %s\n", optionsfile);
	}
	else
	{
		for(i=0; i<num_options; i++)
		{
			switch(ary_options[i].id)
			{
			case UPNPIFNAME:
				for( string = ary_options[i].value; (word = strtok(string, ",")); string = NULL )
				{
					if(n_lan_addr < MAX_LAN_ADDR)
					{
						if(getifaddr(word, ip_addr, sizeof(ip_addr)) >= 0)
						{
							if( *ip_addr && parselanaddr(&lan_addr[n_lan_addr], ip_addr) == 0 )
								if(n_lan_addr < MAX_LAN_ADDR)
									n_lan_addr++;
						}
						else
							fprintf(stderr, "Interface %s not found, ignoring.\n", word);
					}
					else
					{
						fprintf(stderr, "Too many listening ips (max: %d), ignoring %s\n",
				    		    MAX_LAN_ADDR, word);
					}
				}
				break;
			case UPNPLISTENING_IP:
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr],
					             ary_options[i].value) == 0)
						n_lan_addr++;
				}
				else
				{
					fprintf(stderr, "Too many listening ips (max: %d), ignoring %s\n",
			    		    MAX_LAN_ADDR, ary_options[i].value);
				}
				break;
			case UPNPPORT:
				runtime_vars.port = atoi(ary_options[i].value);
				break;
			case UPNPNOTIFY_INTERVAL:
				runtime_vars.notify_interval = atoi(ary_options[i].value);
				break;
			case UPNPSERIAL:
				strncpy(serialnumber, ary_options[i].value, SERIALNUMBER_MAX_LEN);
				serialnumber[SERIALNUMBER_MAX_LEN-1] = '\0';
				break;				
			case UPNPMODEL_NAME:
				strncpy(modelname, ary_options[i].value, MODELNAME_MAX_LEN);
				modelname[MODELNAME_MAX_LEN-1] = '\0';
				break;
			case UPNPMODEL_NUMBER:
				strncpy(modelnumber, ary_options[i].value, MODELNUMBER_MAX_LEN);
				modelnumber[MODELNUMBER_MAX_LEN-1] = '\0';
				break;
			case UPNPLOGDIR:
				path = realpath(ary_options[i].value, real_path);
				if( !path )
					path = (ary_options[i].value);
				make_dir(path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
				if( access(path, F_OK) != 0 )
				{
					DPRINTF(E_FATAL, L_GENERAL, "Log path not accessible! [%s]\n", path);
					break;
				}
				strncpy(log_path, path, PATH_MAX);
				break;
			case UPNPMINISSDPDSOCKET:
				minissdpdsocketpath = ary_options[i].value;
				break;
			case UPNPREMOTEUUID:
				runtime_vars.ruuid = ary_options[i].value;
				strcpy(uuidvalue+5, runtime_vars.ruuid);
				break;
			case UPNPREMOTEPORT:
				runtime_vars.rport = atoi(ary_options[i].value);
				break;
			case UPNPREMOTEHOST:
				runtime_vars.rhost = ary_options[i].value;
				break;
			case UPNPDESCPATH:
				runtime_vars.path = ary_options[i].value;
				break;
			default:
				fprintf(stderr, "Unknown option with value %s in file %s\n",
				        ary_options[i].value, optionsfile);
			}
		}
	}
	if( log_path[0] == '\0' )
	{
		strncpy(log_path, DEFAULT_LOG_PATH, PATH_MAX);
	}

	/* command line arguments processing */
	for(i=1; i<argc; i++)
	{
		if(argv[i][0]!='-')
		{
			fprintf(stderr, "Unknown option: %s\n", argv[i]);
		}
		else if(strcmp(argv[i], "--help")==0)
		{
			runtime_vars.port = 0;
			break;
		}
		else switch(argv[i][1])
		{
		case 't':
			if(i+1 < argc)
				runtime_vars.notify_interval = atoi(argv[++i]);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		/*case 'l':
			logfilename = argv[++i];
			break;*/
		case 'p':
			if(i+1 < argc)
				runtime_vars.port = atoi(argv[++i]);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'P':
			if(i+1 < argc)
				pidfilename = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'd':
			debug_flag = 1;
			break;
		case 'a':
			if(i+1 < argc)
			{
				int address_already_there = 0;
				int j;
				i++;
				for(j=0; j<n_lan_addr; j++)
				{
					struct lan_addr_s tmpaddr;
					parselanaddr(&tmpaddr, argv[i]);
					if(0 == strcmp(lan_addr[j].str, tmpaddr.str))
						address_already_there = 1;
				}
				if(address_already_there)
					break;
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr], argv[i]) == 0)
						n_lan_addr++;
				}
				else
				{
					fprintf(stderr, "Too many listening ips (max: %d), ignoring %s\n",
				    	    MAX_LAN_ADDR, argv[i]);
				}
			}
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'i':
			if(i+1 < argc)
			{
				int address_already_there = 0;
				int j;
				i++;
				if( getifaddr(argv[i], ip_addr, sizeof(ip_addr)) < 0 )
				{
					fprintf(stderr, "Network interface '%s' not found.\n",
						argv[i]);
					exit(-1);
				}
				for(j=0; j<n_lan_addr; j++)
				{
					struct lan_addr_s tmpaddr;
					parselanaddr(&tmpaddr, ip_addr);
					if(0 == strcmp(lan_addr[j].str, tmpaddr.str))
						address_already_there = 1;
				}
				if(address_already_there)
					break;
				if(n_lan_addr < MAX_LAN_ADDR)
				{
					if(parselanaddr(&lan_addr[n_lan_addr], ip_addr) == 0)
						n_lan_addr++;
				}
				else
				{
					fprintf(stderr, "Too many listening ips (max: %d), ignoring %s\n",
				    	    MAX_LAN_ADDR, argv[i]);
				}
			}
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'f':
			i++;	/* discarding, the config file is already read */
			break;
		case 'h':
			runtime_vars.port = 0; // triggers help display
			break;
		case 'V':
			printf("Version " DLNAPROXY_VERSION "\n");
			exit(0);
			break;
		default:
			fprintf(stderr, "Unknown option: %s\n", argv[i]);
		}
	}
	/* If no IP was specified, try to detect one */
	if( n_lan_addr < 1 )
	{
		if( (getsysaddr(ip_addr, sizeof(ip_addr)) < 0) &&
		    (getifaddr("eth0", ip_addr, sizeof(ip_addr)) < 0) &&
		    (getifaddr("eth1", ip_addr, sizeof(ip_addr)) < 0) )
		{
			DPRINTF(E_OFF, L_GENERAL, "No IP address automatically detected!\n");
		}
		if( *ip_addr && parselanaddr(&lan_addr[n_lan_addr], ip_addr) == 0 )
		{
			n_lan_addr++;
		}
	}

	if( (n_lan_addr==0) || (runtime_vars.port<=0) )
	{
		fprintf(stderr, "Usage:\n\t"
		        "%s [-d] [-f config_file]\n"
			"\t\t[-a listening_ip] [-p port]\n"
			/*"[-l logfile] " not functionnal */
			"\t\t[-t notify_interval] [-P pid_filename]\n"
			"\t\t[-V] [-h]\n"
		        "\nNotes:\n\tNotify interval is in seconds. Default is 895 seconds.\n"
			"\tDefault pid file is %s.\n"
			"\tWith -d dlnaproxy will run in debug mode (not daemonize).\n"
			"\t-h displays this text\n"
			"\t-V print the version number\n",
		        argv[0], pidfilename);
		return 1;
	}

	if(debug_flag)
	{
		pid = getpid();
		log_init(NULL, "general,inotify,http,ssdp=debug");
	}
	else
	{
#ifdef USE_DAEMON
		if(daemon(0, 0)<0) {
			perror("daemon()");
		}
		pid = getpid();
#else
		pid = daemonize();
#endif
		if( access(log_path, F_OK) != 0 )
			make_dir(log_path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
		sprintf(real_path, "%s/dlnaproxy.log", log_path);
		log_init(real_path, "general,inotify,http,ssdp=warn");
	}

	if(checkforrunning(pidfilename) < 0)
	{
		DPRINTF(E_ERROR, L_GENERAL, "DLNAProxy is already running. EXITING.\n");
		return 1;
	}	

	set_startup_time();

	/* presentation url */
	if(presurl)
	{
		strncpy(presentationurl, presurl, PRESENTATIONURL_MAX_LEN);
		presentationurl[PRESENTATIONURL_MAX_LEN-1] = '\0';
	}
	else
	{
		snprintf(presentationurl, PRESENTATIONURL_MAX_LEN,
		         "http://%s:%d/", lan_addr[0].str, runtime_vars.port);
	}

	/* set signal handler */
	signal(SIGCLD, SIG_IGN);
	memset(&sa, 0, sizeof(struct sigaction));
	sa.sa_handler = sigterm;
	if (sigaction(SIGTERM, &sa, NULL))
	{
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set SIGTERM handler. EXITING.\n");
	}
	if (sigaction(SIGINT, &sa, NULL))
	{
		DPRINTF(E_FATAL, L_GENERAL, "Failed to set SIGINT handler. EXITING.\n");
	}

	if(signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
		DPRINTF(E_FATAL, L_GENERAL, "Failed to ignore SIGPIPE signals. EXITING.\n");
	}

	writepidfile(pidfilename, pid);

	return 0;
}
示例#7
0
/* init phase :
 * 1) read configuration file
 * 2) read command line arguments
 * 3) daemonize
 * 4) open syslog
 * 5) check and write pid file
 * 6) set startup time stamp
 * 7) compute presentation URL
 * 8) set signal handlers */
static int
init(int argc, char * * argv, struct runtime_vars * v)
{
	int i;
	int pid;
	int debug_flag = 0;
	int openlog_option;
	struct sigaction sa;
	/*const char * logfilename = 0;*/
	const char * presurl = 0;
#ifndef DISABLE_CONFIG_FILE
	int options_flag = 0;
	const char * optionsfile = DEFAULT_CONFIG;
#endif /* DISABLE_CONFIG_FILE */
	struct lan_addr_s * lan_addr;
	struct lan_addr_s * lan_addr2;

	/* only print usage if -h is used */
	for(i=1; i<argc; i++)
	{
		if(0 == strcmp(argv[i], "-h"))
			goto print_usage;
	}
#ifndef DISABLE_CONFIG_FILE
	/* first check if "-f" option is used */
	for(i=2; i<argc; i++)
	{
		if(0 == strcmp(argv[i-1], "-f"))
		{
			optionsfile = argv[i];
			options_flag = 1;
			break;
		}
	}
#endif /* DISABLE_CONFIG_FILE */

	/* set initial values */
	SETFLAG(ENABLEUPNPMASK);	/* UPnP is enabled by default */

	LIST_INIT(&lan_addrs);
	v->port = -1;
	v->notify_interval = 30;	/* seconds between SSDP announces */
	v->clean_ruleset_threshold = 20;
	v->clean_ruleset_interval = 0;	/* interval between ruleset check. 0=disabled */
#ifndef DISABLE_CONFIG_FILE
	/* read options file first since
	 * command line arguments have final say */
	if(readoptionsfile(optionsfile) < 0)
	{
		/* only error if file exists or using -f */
		if(access(optionsfile, F_OK) == 0 || options_flag)
			fprintf(stderr, "Error reading configuration file %s\n", optionsfile);
	}
	else
	{
		for(i=0; i<(int)num_options; i++)
		{
			switch(ary_options[i].id)
			{
			case UPNPEXT_IFNAME:
				ext_if_name = ary_options[i].value;
				break;
			case UPNPEXT_IP:
				use_ext_ip_addr = ary_options[i].value;
				break;
			case UPNPLISTENING_IP:
				lan_addr = (struct lan_addr_s *) malloc(sizeof(struct lan_addr_s));
				if (lan_addr == NULL)
				{
					fprintf(stderr, "malloc(sizeof(struct lan_addr_s)): %m");
					break;
				}
				if(parselanaddr(lan_addr, ary_options[i].value) != 0)
				{
					fprintf(stderr, "can't parse \"%s\" as valid lan address\n", ary_options[i].value);
					free(lan_addr);
					break;
				}
				LIST_INSERT_HEAD(&lan_addrs, lan_addr, list);
				break;
			case UPNPPORT:
				v->port = atoi(ary_options[i].value);
				break;
			case UPNPBITRATE_UP:
				upstream_bitrate = strtoul(ary_options[i].value, 0, 0);
				break;
			case UPNPBITRATE_DOWN:
				downstream_bitrate = strtoul(ary_options[i].value, 0, 0);
				break;
			case UPNPPRESENTATIONURL:
				presurl = ary_options[i].value;
				break;
			case UPNPFRIENDLY_NAME:
				strncpy(friendly_name, ary_options[i].value, FRIENDLY_NAME_MAX_LEN);
				friendly_name[FRIENDLY_NAME_MAX_LEN-1] = '\0';
				break;
#ifdef USE_NETFILTER
			case UPNPFORWARDCHAIN:
				miniupnpd_forward_chain = ary_options[i].value;
				break;
			case UPNPNATCHAIN:
				miniupnpd_nat_chain = ary_options[i].value;
				break;
#endif
			case UPNPNOTIFY_INTERVAL:
				v->notify_interval = atoi(ary_options[i].value);
				break;
			case UPNPSYSTEM_UPTIME:
				if(strcmp(ary_options[i].value, "yes") == 0)
					SETFLAG(SYSUPTIMEMASK);	/*sysuptime = 1;*/
				break;
#if defined(USE_PF) || defined(USE_IPF)
			case UPNPPACKET_LOG:
				if(strcmp(ary_options[i].value, "yes") == 0)
					SETFLAG(LOGPACKETSMASK);	/*logpackets = 1;*/
				break;
#endif
			case UPNPUUID:
				strncpy(uuidvalue+5, ary_options[i].value,
				        strlen(uuidvalue+5) + 1);
				break;
			case UPNPSERIAL:
				strncpy(serialnumber, ary_options[i].value, SERIALNUMBER_MAX_LEN);
				serialnumber[SERIALNUMBER_MAX_LEN-1] = '\0';
				break;
			case UPNPMODEL_NUMBER:
				strncpy(modelnumber, ary_options[i].value, MODELNUMBER_MAX_LEN);
				modelnumber[MODELNUMBER_MAX_LEN-1] = '\0';
				break;
			case UPNPCLEANTHRESHOLD:
				v->clean_ruleset_threshold = atoi(ary_options[i].value);
				break;
			case UPNPCLEANINTERVAL:
				v->clean_ruleset_interval = atoi(ary_options[i].value);
				break;
#ifdef USE_PF
			case UPNPANCHOR:
				anchor_name = ary_options[i].value;
				break;
			case UPNPQUEUE:
				queue = ary_options[i].value;
				break;
			case UPNPTAG:
				tag = ary_options[i].value;
				break;
#endif
#ifdef ENABLE_NATPMP
			case UPNPENABLENATPMP:
				if(strcmp(ary_options[i].value, "yes") == 0)
					SETFLAG(ENABLENATPMPMASK);	/*enablenatpmp = 1;*/
				else
					if(atoi(ary_options[i].value))
						SETFLAG(ENABLENATPMPMASK);
					/*enablenatpmp = atoi(ary_options[i].value);*/
				break;
#endif
#ifdef PF_ENABLE_FILTER_RULES
			case UPNPQUICKRULES:
				if(strcmp(ary_options[i].value, "no") == 0)
					SETFLAG(PFNOQUICKRULESMASK);
				break;
#endif
			case UPNPENABLE:
				if(strcmp(ary_options[i].value, "yes") != 0)
					CLEARFLAG(ENABLEUPNPMASK);
				break;
			case UPNPSECUREMODE:
				if(strcmp(ary_options[i].value, "yes") == 0)
					SETFLAG(SECUREMODEMASK);
				break;
#ifdef ENABLE_LEASEFILE
			case UPNPLEASEFILE:
				lease_file = ary_options[i].value;
				break;
#endif
			case UPNPMINISSDPDSOCKET:
				minissdpdsocketpath = ary_options[i].value;
				break;
			default:
				fprintf(stderr, "Unknown option in file %s\n",
				        optionsfile);
			}
		}
	}
#endif /* DISABLE_CONFIG_FILE */

	/* command line arguments processing */
	for(i=1; i<argc; i++)
	{
		if(argv[i][0]!='-')
		{
			fprintf(stderr, "Unknown option: %s\n", argv[i]);
		}
		else switch(argv[i][1])
		{
		case 'o':
			if(i+1 < argc)
				use_ext_ip_addr = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 't':
			if(i+1 < argc)
				v->notify_interval = atoi(argv[++i]);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'r':
			if(i+1 < argc)
				v->clean_ruleset_interval = atoi(argv[++i]);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'u':
			if(i+1 < argc)
				strncpy(uuidvalue+5, argv[++i], strlen(uuidvalue+5) + 1);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'z':
			if(i+1 < argc)
				strncpy(friendly_name, argv[++i], FRIENDLY_NAME_MAX_LEN);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			friendly_name[FRIENDLY_NAME_MAX_LEN-1] = '\0';
			break;
		case 's':
			if(i+1 < argc)
				strncpy(serialnumber, argv[++i], SERIALNUMBER_MAX_LEN);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			serialnumber[SERIALNUMBER_MAX_LEN-1] = '\0';
			break;
		case 'm':
			if(i+1 < argc)
				strncpy(modelnumber, argv[++i], MODELNUMBER_MAX_LEN);
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			modelnumber[MODELNUMBER_MAX_LEN-1] = '\0';
			break;
#ifdef ENABLE_NATPMP
		case 'N':
			/*enablenatpmp = 1;*/
			SETFLAG(ENABLENATPMPMASK);
			break;
#endif
		case 'U':
			/*sysuptime = 1;*/
			SETFLAG(SYSUPTIMEMASK);
			break;
		/*case 'l':
			logfilename = argv[++i];
			break;*/
#if defined(USE_PF) || defined(USE_IPF)
		case 'L':
			/*logpackets = 1;*/
			SETFLAG(LOGPACKETSMASK);
			break;
#endif
		case 'S':
			SETFLAG(SECUREMODEMASK);
			break;
		case 'i':
			if(i+1 < argc)
				ext_if_name = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
#ifdef USE_PF
		case 'q':
			if(i+1 < argc)
				queue = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'T':
			if(i+1 < argc)
				tag = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
#endif
		case 'p':
			if(i+1 < argc)
				v->port = atoi(argv[++i]);
			else
#ifdef ENABLE_NFQUEUE
		case 'Q':
			if(i+1<argc)
			{
				nfqueue = atoi(argv[++i]);
			}
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'n':
			if (i+1 < argc) {
				i++;
				if(n_nfqix < MAX_LAN_ADDR) {
					nfqix[n_nfqix++] = if_nametoindex(argv[i]);
				} else {
					fprintf(stderr,"Too many nfq interfaces. Ignoring %s\n", argv[i]);
				}
			} else {
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			}
			break;
#endif
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'P':
			if(i+1 < argc)
				pidfilename = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'd':
			debug_flag = 1;
			break;
		case 'w':
			if(i+1 < argc)
				presurl = argv[++i];
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'B':
			if(i+2<argc)
			{
				downstream_bitrate = strtoul(argv[++i], 0, 0);
				upstream_bitrate = strtoul(argv[++i], 0, 0);
			}
			else
				fprintf(stderr, "Option -%c takes two arguments.\n", argv[i][1]);
			break;
		case 'a':
#ifndef MULTIPLE_EXTERNAL_IP
			if(i+1 < argc)
			{
				i++;
				lan_addr = (struct lan_addr_s *) malloc(sizeof(struct lan_addr_s));
				if (lan_addr == NULL)
				{
					fprintf(stderr, "malloc(sizeof(struct lan_addr_s)): %m");
					break;
				}
				if(parselanaddr(lan_addr, argv[i]) != 0)
				{
					fprintf(stderr, "can't parse \"%s\" as valid lan address\n", argv[i]);
					free(lan_addr);
					break;
				}
				/* check if we already have this address */
				for(lan_addr2 = lan_addrs.lh_first; lan_addr2 != NULL; lan_addr2 = lan_addr2->list.le_next)
				{
					if (0 == strncmp(lan_addr2->str, lan_addr->str, 15))
						break;
				}
				if (lan_addr2 == NULL)
					LIST_INSERT_HEAD(&lan_addrs, lan_addr, list);
			}
			else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
#else
			if(i+2 < argc)
			{
				char *val=calloc((strlen(argv[i+1]) + strlen(argv[i+2]) + 1), sizeof(char));
				if (val == NULL)
				{
					fprintf(stderr, "memory allocation error for listen address storage\n");
					break;
				}
				sprintf(val, "%s %s", argv[i+1], argv[i+2]);

				lan_addr = (struct lan_addr_s *) malloc(sizeof(struct lan_addr_s));
				if (lan_addr == NULL)
				{
					fprintf(stderr, "malloc(sizeof(struct lan_addr_s)): %m");
					free(val);
					break;
				}
				if(parselanaddr(lan_addr, val) != 0)
				{
					fprintf(stderr, "can't parse \"%s\" as valid lan address\n", val);
					free(lan_addr);
					free(val);
					break;
				}
				/* check if we already have this address */
				for(lan_addr2 = lan_addrs.lh_first; lan_addr2 != NULL; lan_addr2 = lan_addr2->list.le_next)
				{
					if (0 == strncmp(lan_addr2->str, lan_addr->str, 15))
						break;
				}
				if (lan_addr2 == NULL)
					LIST_INSERT_HEAD(&lan_addrs, lan_addr, list);

				free(val);
				i+=2;
			}
			else
				fprintf(stderr, "Option -%c takes two arguments.\n", argv[i][1]);
#endif
			break;
		case 'A':
			if(i+1 < argc) {
				void * tmp;
				tmp = realloc(upnppermlist, sizeof(struct upnpperm) * (num_upnpperm+1));
				if(tmp == NULL) {
					fprintf(stderr, "memory allocation error for permission\n");
				} else {
					upnppermlist = tmp;
					if(read_permission_line(upnppermlist + num_upnpperm, argv[++i]) >= 0) {
						num_upnpperm++;
					} else {
						fprintf(stderr, "Permission rule parsing error :\n%s\n", argv[i]);
					}
				}
			} else
				fprintf(stderr, "Option -%c takes one argument.\n", argv[i][1]);
			break;
		case 'f':
			i++;	/* discarding, the config file is already read */
			break;
		default:
			fprintf(stderr, "Unknown option: %s\n", argv[i]);
		}
	}
	if(!ext_if_name || !lan_addrs.lh_first)
	{
		/* bad configuration */
		goto print_usage;
	}

	if(debug_flag)
	{
		pid = getpid();
	}
	else
	{
#ifdef USE_DAEMON
		if(daemon(0, 0)<0) {
			perror("daemon()");
		}
		pid = getpid();
#else
		pid = daemonize();
#endif
	}

	openlog_option = LOG_PID|LOG_CONS;
	if(debug_flag)
	{
		openlog_option |= LOG_PERROR;	/* also log on stderr */
	}

	openlog("miniupnpd", openlog_option, LOG_MINIUPNPD);

	if(!debug_flag)
	{
		/* speed things up and ignore LOG_INFO and LOG_DEBUG */
		setlogmask(LOG_UPTO(LOG_NOTICE));
	}

	if(checkforrunning(pidfilename) < 0)
	{
		syslog(LOG_ERR, "MiniUPnPd is already running. EXITING");
		return 1;
	}

	set_startup_time(GETFLAG(SYSUPTIMEMASK));

	/* presentation url */
	if(presurl)
	{
		strncpy(presentationurl, presurl, PRESENTATIONURL_MAX_LEN);
		presentationurl[PRESENTATIONURL_MAX_LEN-1] = '\0';
	}
	else
	{
		snprintf(presentationurl, PRESENTATIONURL_MAX_LEN,
		         "http://%s/", lan_addrs.lh_first->str);
		         /*"http://%s:%d/", lan_addrs.lh_first->str, 80);*/
	}

	/* set signal handler */
	memset(&sa, 0, sizeof(struct sigaction));
	sa.sa_handler = sigterm;

	if(sigaction(SIGTERM, &sa, NULL) < 0)
	{
		syslog(LOG_ERR, "Failed to set %s handler. EXITING", "SIGTERM");
		return 1;
	}
	if(sigaction(SIGINT, &sa, NULL) < 0)
	{
		syslog(LOG_ERR, "Failed to set %s handler. EXITING", "SIGINT");
		return 1;
	}
	sa.sa_handler = SIG_IGN;
	if(sigaction(SIGPIPE, &sa, NULL) < 0)
	{
		syslog(LOG_ERR, "Failed to ignore SIGPIPE signals");
	}
	sa.sa_handler = sigusr1;
	if(sigaction(SIGUSR1, &sa, NULL) < 0)
	{
		syslog(LOG_NOTICE, "Failed to set %s handler", "SIGUSR1");
	}

	if(init_redirect() < 0)
	{
		syslog(LOG_ERR, "Failed to init redirection engine. EXITING");
		return 1;
	}
#ifdef ENABLE_6FC_SERVICE
#ifdef USE_NETFILTER
	init_iptpinhole();
#endif
#endif

	if(writepidfile(pidfilename, pid) < 0)
		pidfilename = NULL;

#ifdef ENABLE_LEASEFILE
	/*remove(lease_file);*/
	syslog(LOG_INFO, "Reloading rules from lease file");
	reload_from_lease_file();
#endif

	return 0;
print_usage:
	fprintf(stderr, "Usage:\n\t"
	        "%s "
#ifndef DISABLE_CONFIG_FILE
			"[-f config_file] "
#endif
			"[-i ext_ifname] [-o ext_ip]\n"
#ifndef MULTIPLE_EXTERNAL_IP
			"\t\t[-a listening_ip]"
#else
			"\t\t[-a listening_ip ext_ip]"
#endif
			" [-p port] [-d]"
#if defined(USE_PF) || defined(USE_IPF)
			" [-L]"
#endif
			" [-U] [-S]"
#ifdef ENABLE_NATPMP
			" [-N]"
#endif
			"\n"
			/*"[-l logfile] " not functionnal */
			"\t\t[-u uuid] [-s serial] [-m model_number] \n"
			"\t\t[-t notify_interval] [-P pid_filename] [-z fiendly_name]\n"
			"\t\t[-B down up] [-w url] [-r clean_ruleset_interval]\n"
#ifdef USE_PF
                        "\t\t[-q queue] [-T tag]\n"
#endif
#ifdef ENABLE_NFQUEUE
                        "\t\t[-Q queue] [-n name]\n"
#endif
			"\t\t[-A \"permission rule\"]\n"
	        "\nNotes:\n\tThere can be one or several listening_ips.\n"
	        "\tNotify interval is in seconds. Default is 30 seconds.\n"
			"\tDefault pid file is '%s'.\n"
			"\tDefault config file is '%s'.\n"
			"\tWith -d miniupnpd will run as a standard program.\n"
#if defined(USE_PF) || defined(USE_IPF)
			"\t-L sets packet log in pf and ipf on.\n"
#endif
			"\t-S sets \"secure\" mode : clients can only add mappings to their own ip\n"
			"\t-U causes miniupnpd to report system uptime instead "
			"of daemon uptime.\n"
#ifdef ENABLE_NATPMP
			"\t-N enable NAT-PMP functionality.\n"
#endif
			"\t-B sets bitrates reported by daemon in bits per second.\n"
			"\t-w sets the presentation url. Default is http address on port 80\n"
#ifdef USE_PF
			"\t-q sets the ALTQ queue in pf.\n"
			"\t-T sets the tag name in pf.\n"
#endif
#ifdef ENABLE_NFQUEUE
			"\t-Q sets the queue number that is used by NFQUEUE.\n"
			"\t-n sets the name of the interface(s) that packets will arrive on.\n"
#endif
			"\t-A use following syntax for permission rules :\n"
			"\t  (allow|deny) (external port range) ip/mask (internal port range)\n"
			"\texamples :\n"
			"\t  \"allow 1024-65535 192.168.1.0/24 1024-65535\"\n"
			"\t  \"deny 0-65535 0.0.0.0/0 0-65535\"\n"
			"\t-h prints this help and quits.\n"
	        "", argv[0], pidfilename, DEFAULT_CONFIG);
	return 1;
}