Esempio n. 1
0
int
readoptionsfile(const char * fname)
{
	FILE *hfile = NULL;
	char buffer[1024];
	char *equals;
	char *name;
	char *value;
	char *t;
	int linenum = 0;
	int i;
	enum upnpconfigoptions id;

	if(!fname || (strlen(fname) == 0))
		return -1;

	memset(buffer, 0, sizeof(buffer));

#ifdef DEBUG
	printf("Reading configuration from file %s\n", fname);
#endif

	if(!(hfile = fopen(fname, "r")))
		return -1;

	if(ary_options != NULL)
	{
		free(ary_options);
		num_options = 0;
	}

	while(fgets(buffer, sizeof(buffer), hfile))
	{
		linenum++;
		t = strchr(buffer, '\n'); 
		if(t)
		{
			*t = '\0';
			t--;
			while(isspace(*t))
			{
				*t = '\0';
				t--;
			}
		}
       
		/* skip leading whitespaces */
		name = buffer;
		while(isspace(*name))
			name++;

		/* check for comments or empty lines */
		if(name[0] == '#' || name[0] == '\0') continue;

		/* check for UPnP permissions rule */
		if(0 == memcmp(name, "allow", 5) || 0 == memcmp(name, "deny", 4))
		{
			upnppermlist = realloc(upnppermlist,
			                       sizeof(struct upnpperm) * (num_upnpperm+1));
			/* parse the rule */
			if(read_permission_line(upnppermlist + num_upnpperm, name) >= 0)
			{
				num_upnpperm++;
			}
			else
			{
				fprintf(stderr, "parsing error file %s line %d : %s\n",
				        fname, linenum, name);
			}
			continue;
		}
		if(!(equals = strchr(name, '=')))
		{
			fprintf(stderr, "parsing error file %s line %d : %s\n",
			        fname, linenum, name);
			continue;
		}

		/* remove ending whitespaces */
		for(t=equals-1; t>name && isspace(*t); t--)
			*t = '\0';

		*equals = '\0';
		value = equals+1;

		/* skip leading whitespaces */
		while(isspace(*value))
			value++;

		id = UPNP_INVALID;
		for(i=0; i<sizeof(optionids)/sizeof(optionids[0]); i++)
		{
			/*printf("%2d %2d %s %s\n", i, optionids[i].id, name,
			       optionids[i].name); */

			if(0 == strcmp(name, optionids[i].name))
			{
				id = optionids[i].id;
				break;
			}
		}

		if(id == UPNP_INVALID)
		{
			fprintf(stderr, "parsing error file %s line %d : %s=%s\n",
			        fname, linenum, name, value);
		}
		else
		{
			num_options += 1;
			ary_options = (struct option *) realloc(ary_options, num_options * sizeof(struct option));

			ary_options[num_options-1].id = id;
			strncpy(ary_options[num_options-1].value, value, MAX_OPTION_VALUE_LEN);
		}

	}
	
	fclose(hfile);
	
	return 0;
}
Esempio n. 2
0
int
readoptionsfile(const char * fname)
{
	FILE *hfile = NULL;
	char buffer[1024];
	char *equals;
	char *name;
	char *value;
	char *t;
	int linenum = 0;
	unsigned int i;
	enum upnpconfigoptions id;
	size_t string_repo_len = 0;
	size_t len;
	void *tmp;

	if(!fname || (strlen(fname) == 0))
		return -1;

	memset(buffer, 0, sizeof(buffer));

#ifdef DEBUG
	printf("Reading configuration from file %s\n", fname);
#endif

	if(!(hfile = fopen(fname, "r")))
		return -1;

	if(ary_options != NULL)
	{
		free(ary_options);
		num_options = 0;
	}

	while(fgets(buffer, sizeof(buffer), hfile))
	{
		linenum++;
		t = strchr(buffer, '\n');
		if(t)
		{
			*t = '\0';
			t--;
			/* remove spaces at the end of the line */
			while((t >= buffer) && isspace(*t))
			{
				*t = '\0';
				t--;
			}
		}

		/* skip leading whitespaces */
		name = buffer;
		while(isspace(*name))
			name++;

		/* check for comments or empty lines */
		if(name[0] == '#' || name[0] == '\0') continue;

		len = strlen(name); /* length of the whole line excluding leading
		                     * and ending white spaces */
		/* check for UPnP permissions rule */
		if((len > 6) && (0 == memcmp(name, "allow", 5) || 0 == memcmp(name, "deny", 4)))
		{
			tmp = realloc(upnppermlist, sizeof(struct upnpperm) * (num_upnpperm+1));
			if(tmp == NULL)
			{
				fprintf(stderr, "memory allocation error. Permission line in file %s line %d\n",
				        fname, linenum);
			}
			else
			{
				upnppermlist = tmp;
				/* parse the rule */
				if(read_permission_line(upnppermlist + num_upnpperm, name) >= 0)
				{
					num_upnpperm++;
				}
				else
				{
					fprintf(stderr, "parsing error file %s line %d : %s\n",
					        fname, linenum, name);
				}
			}
			continue;
		}
#ifdef PCP_SADSCP
		/* check for DSCP values configuration */
		if((len > 15) && 0 == memcmp(name, "set_learn_dscp", sizeof("set_learn_dscp")-1) )
		{
			tmp = realloc(dscp_values_list, sizeof(struct dscp_values) * (num_dscp_values+1));
			if(tmp == NULL)
			{
				fprintf(stderr, "memory allocation error. DSCP line in file %s line %d\n",
				        fname, linenum);
			}
			else
			{
				dscp_values_list = tmp;
				/* parse the rule */
				if(read_learn_dscp_line(dscp_values_list + num_dscp_values, name) >= 0)
				{
					num_dscp_values++;
				}
				else
				{
					fprintf(stderr, "parsing error file %s line %d : %s\n",
					        fname, linenum, name);
				}
			}
			continue;
		}
#endif /* PCP_SADSCP */
		if(!(equals = strchr(name, '=')))
		{
			fprintf(stderr, "parsing error file %s line %d : %s\n",
			        fname, linenum, name);
			continue;
		}

		/* remove ending whitespaces */
		for(t=equals-1; t>name && isspace(*t); t--)
			*t = '\0';

		*equals = '\0';
		value = equals+1;

		/* skip leading whitespaces */
		while(isspace(*value))
			value++;

		id = UPNP_INVALID;
		for(i=0; i<sizeof(optionids)/sizeof(optionids[0]); i++)
		{
			/*printf("%2d %2d %s %s\n", i, optionids[i].id, name,
			       optionids[i].name); */

			if(0 == strcmp(name, optionids[i].name))
			{
				id = optionids[i].id;
				break;
			}
		}

		if(id == UPNP_INVALID)
		{
			fprintf(stderr, "invalid option in file %s line %d : %s=%s\n",
			        fname, linenum, name, value);
		}
		else
		{
			tmp = realloc(ary_options, (num_options + 1) * sizeof(struct option));
			if(tmp == NULL)
			{
				fprintf(stderr, "memory allocation error. Option in file %s line %d.\n",
				        fname, linenum);
			}
			else
			{
				ary_options = tmp;
				len = strlen(value) + 1;	/* +1 for terminating '\0' */
				tmp = realloc(string_repo, string_repo_len + len);
				if(tmp == NULL)
				{
					fprintf(stderr, "memory allocation error, Option value in file %s line %d : %s=%s\n",
					        fname, linenum, name, value);
				}
				else
				{
					string_repo = tmp;
					memcpy(string_repo + string_repo_len, value, len);
					ary_options[num_options].id = id;
					/* save the offset instead of the absolute address because realloc() could
					 * change it */
					ary_options[num_options].value = (const char *)string_repo_len;
					num_options += 1;
					string_repo_len += len;
				}
			}
		}

	}

	fclose(hfile);

	for(i = 0; i < num_options; i++)
	{
		/* add start address of string_repo to get right pointer */
		ary_options[i].value = string_repo + (size_t)ary_options[i].value;
	}

	return 0;
}
Esempio n. 3
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;
}