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;
}
/* @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;
}
/* @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;
}
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;
}
/*
* 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;
}
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;
}