Example #1
0
int check_wanup(void)
{
	int up = 0;
	int proto;
	char buf1[64];
	char buf2[64];
	const char *name;
    int f;
    struct ifreq ifr;
	
	proto = get_wan_proto();
	if (proto == WP_DISABLED) return 0;
	
	if ((proto == WP_PPTP) || (proto == WP_L2TP) || (proto == WP_PPPOE) || (proto == WP_HEARTBEAT)) {
		if (f_read_string("/tmp/ppp/link", buf1, sizeof(buf1)) > 0) {
			if (proto == WP_HEARTBEAT) {
				// contains pid of bpalogin
				if (strcmp(psname(atoi(buf1), buf2, sizeof(buf2)), "bpalogin") == 0) {
					up = 1;
				}
			}
			else {
				// contains the base name of a file in /var/run/ containing pid of a daemon
				snprintf(buf2, sizeof(buf2), "/var/run/%s.pid", buf1);
				if (f_read_string(buf2, buf1, sizeof(buf1)) > 0) {
					name = psname(atoi(buf1), buf2, sizeof(buf2));
					if (proto == WP_PPPOE) {
						if (strcmp(name, "pppoecd") == 0) up = 1;
					}
					else {
						if (strcmp(name, "pppd") == 0) up = 1;
					}						
				}
			}
			if (!up) {
				unlink("/tmp/ppp/link");
				cprintf("required daemon not found, assuming link is dead\n");
			}
		}
	}
	else if (!nvram_match("wan_ipaddr", "0.0.0.0")) {
		up = 1;
	}

	if ((up) && ((f = socket(AF_INET, SOCK_DGRAM, 0)) >= 0)) {
		strlcpy(ifr.ifr_name, nvram_safe_get("wan_iface"), sizeof(ifr.ifr_name));
		if (ioctl(f, SIOCGIFFLAGS, &ifr) < 0) up = 0;
		close(f);
		if ((ifr.ifr_flags & IFF_UP) == 0) up = 0;
	}

	return up;
}
Example #2
0
/* @return:
 * 	0:	success
 *     -1:	invalid parameter
 *      1:	wait pending rc_service timeout
 */
static int notify_rc_internal(const char *event_name, bool do_wait, int wait)
{
	int i;
	char p1[16], p2[16];

	if (!event_name || wait < 0)
		return -1;

	psname(nvram_get_int("rc_service_pid"), p1, sizeof(p1));
	psname(getpid(), p2, sizeof(p2));
	_dprintf("%s %d:notify_rc: %s\n", p2, getpid(), event_name);
	logmessage("rc_service", "%s %d:notify_rc %s", p2, getpid(), event_name);

	i=wait;
	int first_try = 1, got_right = 1;
	while ((!nvram_match("rc_service", "")) && (i-- > 0)) {
		if(first_try){
			logmessage("rc_service", "%s is waitting %s...", event_name, nvram_safe_get("rc_service"));
			first_try = 0;
		}

		_dprintf("%d %s: wait for previous script(%d/%d): %s %d %s.\n", getpid(), p2, i, wait, nvram_safe_get("rc_service"), nvram_get_int("rc_service_pid"), p1);
		sleep(1);

		if(i <= 0)
			got_right = 0;
	}

	if(!got_right){
		logmessage("rc_service", "skip the event: %s.", event_name);
		_dprintf("rc_service: skip the event: %s.\n", event_name);
		return 1;
	}

	nvram_set("rc_service", event_name);
	nvram_set_int("rc_service_pid", getpid());
	kill(1, SIGUSR1);

	if(do_wait)
	{
		i = wait;
		while((nvram_match("rc_service", (char *)event_name))&&(i-- > 0)) {
			_dprintf("%s %d: waiting after %d/%d.\n", event_name, getpid(), i, wait);
			sleep(1);
		}
	}

	return 0;
}
Example #3
0
/* @return:
 * 	0:	success
 *     -1:	invalid parameter
 *      1:	wait pending rc_service timeout
 */
static int notify_rc_internal(const char *event_name, bool do_wait, int wait)
{
	int i;
	char p2[16];

	if (!event_name || wait < 0)
		return -1;

	psname(getpid(), p2, sizeof(p2));
	_dprintf("%s %d:notify_rc: %s\n", p2, getpid(), event_name);
	logmessage_normal("rc_service", "%s %d:notify_rc %s", p2, getpid(), event_name);

	if (!wait_rc_service(wait)) {
		logmessage_normal("rc_service", "skip the event: %s.", event_name);
		_dprintf("rc_service: skip the event: %s.\n", event_name);
		return 1;
	}

	nvram_set("rc_service", event_name);
	nvram_set_int("rc_service_pid", getpid());
	kill(1, SIGUSR1);

	if(do_wait)
	{
		i = wait;
		while((nvram_match("rc_service", (char *)event_name))&&(i-- > 0)) {
			_dprintf("%s %d: waiting after %d/%d.\n", event_name, getpid(), i, wait);
			sleep(1);
		}
		if(i == 0 && nvram_match("rc_service", (char *)event_name))
			return 2;
	}

	return 0;
}
Example #4
0
static int _pidof(const char *name, pid_t** pids)
{
	const char *p;
	char *e;
	DIR *dir;
	struct dirent *de;
	pid_t i;
	int count;
	char buf[256];

	count = 0;
	*pids = NULL;
	if ((p = strchr(name, '/')) != NULL) name = p + 1;
	if ((dir = opendir("/proc")) != NULL) {
		while ((de = readdir(dir)) != NULL) {
			i = strtol(de->d_name, &e, 10);
			if (*e != 0) continue;
			if (strcmp(name, psname(i, buf, sizeof(buf))) == 0) {
				if ((*pids = realloc(*pids, sizeof(pid_t) * (count + 1))) == NULL) {
					return -1;
				}
				(*pids)[count++] = i;
			}
		}
	}
	closedir(dir);
	return count;
}
Example #5
0
/*
 * int wait_rc_service(int wait)
 * wait: seconds to wait and check
 *
 * @return:
 * 0: no  right
 * 1: get right
 */
int wait_rc_service(int wait)
{
	int i=wait;
	int first_try = 1;
	char p1[16];

	psname(nvram_get_int("rc_service_pid"), p1, sizeof(p1));
	while (!nvram_match("rc_service", "")) {
		if(--i < 0)
			return 0;
		if(first_try){
			logmessage_normal("rc_service", "waitting \"%s\" via %s ...", nvram_safe_get("rc_service"), p1);
			first_try = 0;
		}

		_dprintf("%d: wait for previous script(%d/%d): %s %d %s.\n", getpid(), i, wait, nvram_safe_get("rc_service"), nvram_get_int("rc_service_pid"), p1);
		sleep(1);

	}
	return 1;
}
Example #6
0
int check_wanup(void)
{
	int up = 0;
	int proto;
	char buf1[64];
	char buf2[64];
	const char *name;
	int f;
	struct ifreq ifr;

	proto = get_wan_proto();
	if (proto == WP_DISABLED)
	{
		if (nvram_match("boardrev", "0x11")) { // Ovislink 1600GL - led "connected" off
			led(LED_WHITE,LED_OFF);
		}
		if (nvram_match("boardtype", "0x052b") &&  nvram_match("boardrev", "0x1204")) { //rt-n15u wan led off
			led(LED_WHITE,LED_OFF);
		}
		 return 0;
	}

	if ((proto == WP_PPTP) || (proto == WP_L2TP) || (proto == WP_PPPOE) || (proto == WP_PPP3G)) {
		if (f_read_string("/tmp/ppp/link", buf1, sizeof(buf1)) > 0) {
				// contains the base name of a file in /var/run/ containing pid of a daemon
				snprintf(buf2, sizeof(buf2), "/var/run/%s.pid", buf1);
				if (f_read_string(buf2, buf1, sizeof(buf1)) > 0) {
					name = psname(atoi(buf1), buf2, sizeof(buf2));
					if (strcmp(name, "pppd") == 0) up = 1;
				}
				else {
					_dprintf("%s: error reading %s\n", __FUNCTION__, buf2);
				}
			if (!up) {
				unlink("/tmp/ppp/link");
				_x_dprintf("required daemon not found, assuming link is dead\n");
			}
		}
		else {
			_x_dprintf("%s: error reading %s\n", __FUNCTION__, "/tmp/ppp/link");
		}
	}
	else if (!nvram_match("wan_ipaddr", "0.0.0.0")) {
		up = 1;
	}
	else {
		_x_dprintf("%s: default !up\n", __FUNCTION__);
	}

	if ((up) && ((f = socket(AF_INET, SOCK_DGRAM, 0)) >= 0)) {
		strlcpy(ifr.ifr_name, nvram_safe_get("wan_iface"), sizeof(ifr.ifr_name));
		if (ioctl(f, SIOCGIFFLAGS, &ifr) < 0) {
			up = 0;
			_x_dprintf("%s: SIOCGIFFLAGS\n", __FUNCTION__);
		}
		close(f);
		if ((ifr.ifr_flags & IFF_UP) == 0) {
			up = 0;
			_x_dprintf("%s: !IFF_UP\n", __FUNCTION__);
		}
	}
	if (nvram_match("boardrev", "0x11")) { // Ovislink 1600GL - led "connected" on
		led(LED_WHITE,up);
	}
	if (nvram_match("boardtype", "0x052b") &&  nvram_match("boardrev", "0x1204")) { //rt-n15u wan led on
		led(LED_WHITE,up);
	}

	return up;
}