/*
* Called when link goes down
*/
int
ipdown_main(int argc, char **argv)
{
char *wan_ifname = safe_getenv("IFNAME");
char *wan_linkname = safe_getenv("LINKNAME");
char tmp[100], prefix[] = "wanXXXXXXXXXX_";
int unit;
_dprintf("%s():: %s\n", __FUNCTION__, argv[0]);
/* Get unit from LINKNAME: ppp[UNIT] */
if ((unit = ppp_linkunit(wan_linkname)) < 0)
return 0;
_dprintf("%s: unit=%d ifname=%s\n", __FUNCTION__, unit, wan_ifname);
snprintf(prefix, sizeof(prefix), "wan%d_", unit);
#ifdef RTCONFIG_IPV6
wait_ppp_count = -2;
#endif
wan_down(wan_ifname);
// override wan_state to get real reason
update_wan_state(prefix, WAN_STATE_STOPPED, pppstatus());
unlink(strcat_r("/tmp/ppp/link.", wan_ifname, tmp));
preset_wan_routes(wan_ifname);
_dprintf("%s:: done\n", __FUNCTION__);
return 0;
}
/*
* deconfig: This argument is used when udhcpc starts, and when a
* leases is lost. The script should put the interface in an up, but
* deconfigured state.
*/
static int
deconfig(void)
{
char *wan_ifname = safe_getenv("interface");
ifconfig(wan_ifname, IFUP,
"0.0.0.0", NULL);
expires(wan_ifname, 0);
wan_down(wan_ifname);
dprintf("done\n");
return 0;
}
/*
* deconfig: This argument is used when udhcpc starts, and when a
* leases is lost. The script should put the interface in an up, but
* deconfigured state.
*/
static int
deconfig(void)
{
char *wan_ifname = safe_getenv("interface");
if (nvram_match("wan0_proto", "l2tp") || nvram_match("wan0_proto", "pptp"))
{
/* fix hang-up issue */
logmessage("dhcp client", "skipping resetting IP address to 0.0.0.0");
} else
ifconfig(wan_ifname, IFUP, "0.0.0.0", NULL);
expires(wan_ifname, 0);
wan_down(wan_ifname);
logmessage("dhcp client", "%s: lease is lost", udhcpstate);
wanmessage("lost IP from server");
return 0;
}
/*
* Called when link goes down
*/
int
ipdown_main(int argc, char **argv)
{
char *wan_ifname = safe_getenv("IFNAME");
int unit;
char tmp[100], prefix[] = "wanXXXXXXXXXX_";
if ((unit = ppp_ifunit(wan_ifname)) < 0)
return -1;
snprintf(prefix, sizeof(prefix), "wan%d_", unit);
wan_down(wan_ifname);
unlink(strcat_r("/tmp/ppp/link.", wan_ifname, tmp));
preset_wan_routes(wan_ifname);
return 0;
}
/*
* Called when link goes down
*/
int
ipdown_main(int argc, char **argv)
{
char *wan_ifname;
char tmp[100], prefix[WAN_PREFIX_SZ];
if (ppp_prefix(&wan_ifname, prefix) < 0)
return -1;
umask(022);
wan_down(wan_ifname);
unlink(strcat_r("/tmp/ppp/link.", wan_ifname, tmp));
preset_wan_routes(wan_ifname);
logmessage(nvram_safe_get("wan_proto_t"), "Disconnected");
wanmessage(pppstatus(tmp));
return 0;
}
