static int bound(void)
{
nvram_unset("dhcpc_done");
char *wan_ifname = safe_getenv("interface");
char *value;
static char temp_wan_ipaddr[16], temp_wan_netmask[16],
temp_wan_gateway[16];
int changed = 0;
static char *cidr;
if (nvram_match("wan_proto", "iphone"))
stop_process("ipheth-loop", "IPhone Pairing Daemon");
cidr = getenv("cidrroute");
if (cidr && wan_ifname) {
char *callbuffer = malloc(strlen(cidr) + 128);
sprintf(callbuffer,
"export cidrroute=\"%s\";export interface=\"%s\";/etc/cidrroute.sh",
cidr, wan_ifname);
system(callbuffer);
free(callbuffer);
}
if ((value = getenv("ip"))) {
chomp(value);
if (nvram_match("wan_proto", "pptp")
&& nvram_match("pptp_use_dhcp", "1"))
strcpy(temp_wan_ipaddr, value);
else {
if (nvram_invmatch("wan_ipaddr", value))
changed = 1;
}
nvram_set("wan_ipaddr", value);
}
if ((value = getenv("subnet"))) {
chomp(value);
if (nvram_match("wan_proto", "pptp")
&& nvram_match("pptp_use_dhcp", "1"))
strcpy(temp_wan_netmask, value);
else {
if (nvram_invmatch("wan_netmask", value))
changed = 1;
nvram_set("wan_netmask", value);
}
}
if ((value = getenv("router"))) {
chomp(value);
if (nvram_invmatch("wan_gateway", value))
changed = 1;
nvram_set("wan_gateway", value);
}
if ((value = getenv("dns"))) {
chomp(value);
// if (nvram_invmatch("wan_get_dns",value))
// changed=1;
nvram_set("wan_get_dns", value);
}
/*
* Don't care for linksys spec if ((value = getenv("wins")))
* nvram_set("wan_wins", value); if ((value = getenv("hostname")))
* sethostname(value, strlen(value) + 1);
*/
if ((value = getenv("domain"))) {
chomp(value);
if (nvram_invmatch("wan_get_domain", value))
changed = 1;
nvram_set("wan_get_domain", value); // HeartBeat need to use
}
if ((value = getenv("lease"))) {
chomp(value);
nvram_set("wan_lease", value);
expires(atoi(value));
}
if (!changed) {
cprintf("interface hasnt changed, do nothing\n");
return 0;
}
stop_firewall();
cprintf("configure to IF[%s] , IP[%s], MASK[%s]\n", wan_ifname,
nvram_safe_get("wan_ipaddr"), nvram_safe_get("wan_netmask"));
if (nvram_match("wan_proto", "pptp")
&& nvram_match("pptp_use_dhcp", "1"))
eval("ifconfig", wan_ifname, temp_wan_ipaddr, "netmask",
temp_wan_netmask, "up");
else
eval("ifconfig", wan_ifname, nvram_safe_get("wan_ipaddr"),
"netmask", nvram_safe_get("wan_netmask"), "up");
/*
* We only want to exec bellow functions after dhcp get ip if the
* wan_proto is heartbeat
*/
#ifdef HAVE_HEARTBEAT
if (nvram_match("wan_proto", "heartbeat")) {
int i = 0;
/*
* Delete all default routes
*/
while (route_del(wan_ifname, 0, NULL, NULL, NULL) == 0
|| i++ < 10) ;
/*
* Set default route to gateway if specified
*/
route_add(wan_ifname, 0, "0.0.0.0",
nvram_safe_get("wan_gateway"), "0.0.0.0");
/*
* save dns to resolv.conf
*/
dns_to_resolv();
stop_udhcpd();
start_udhcpd();
start_firewall();
stop_wland();
start_wshaper();
start_wland();
start_heartbeat_boot();
}
#else
if (0) {
// nothing
}
#endif
#ifdef HAVE_PPTP
else if (nvram_match("wan_proto", "pptp")
&& nvram_match("pptp_use_dhcp", "1")) {
char pptpip[64];
struct dns_lists *dns_list = NULL;
dns_to_resolv();
dns_list = get_dns_list();
int i = 0;
if (dns_list) {
for (i = 0; i < dns_list->num_servers; i++)
route_add(wan_ifname, 0,
dns_list->dns_server[i],
nvram_safe_get("wan_gateway"),
"255.255.255.255");
free(dns_list);
}
route_add(wan_ifname, 0, "0.0.0.0",
nvram_safe_get("wan_gateway"), "0.0.0.0");
nvram_set("wan_gateway_buf", nvram_get("wan_gateway"));
getIPFromName(nvram_safe_get("pptp_server_name"), pptpip);
nvram_set("pptp_server_ip", pptpip);
// Add the route to the PPTP server on the wan interface for pptp
// client to reach it
if (nvram_match("wan_gateway", "0.0.0.0")
|| nvram_match("wan_netmask", "0.0.0.0"))
route_add(wan_ifname, 0,
nvram_safe_get("pptp_server_ip"),
nvram_safe_get("wan_gateway"),
"255.255.255.255");
else
route_add(wan_ifname, 0,
nvram_safe_get("pptp_server_ip"),
nvram_safe_get("wan_gateway"),
nvram_safe_get("wan_netmask"));
}
#endif
#ifdef HAVE_L2TP
else if (nvram_match("wan_proto", "l2tp")) {
char l2tpip[64];
struct dns_lists *dns_list = NULL;
dns_to_resolv();
dns_list = get_dns_list();
int i = 0;
if (dns_list) {
for (i = 0; i < dns_list->num_servers; i++)
route_add(wan_ifname, 0,
dns_list->dns_server[i],
nvram_safe_get("wan_gateway"),
"255.255.255.255");
free(dns_list);
}
/*
* Backup the default gateway. It should be used if L2TP connection
* is broken
*/
nvram_set("wan_gateway_buf", nvram_get("wan_gateway"));
getIPFromName(nvram_safe_get("l2tp_server_name"), l2tpip);
nvram_set("l2tp_server_ip", l2tpip);
route_add(wan_ifname, 0,
nvram_safe_get("l2tp_server_ip"),
nvram_safe_get("wan_gateway"), "255.255.255.255");
start_firewall();
start_l2tp_boot();
}
#endif
else {
cprintf("start wan done\n");
start_wan_done(wan_ifname);
}
nvram_set("dhcpc_done", "1");
cprintf("done\n");
return 0;
}
void start_pptp(int status)
{
int ret;
FILE *fp;
char *pptp_argv[] = { "pppd",
NULL
};
char username[80], passwd[80];
stop_dhcpc();
#ifdef HAVE_PPPOE
stop_pppoe();
#endif
stop_vpn_modules();
snprintf(username, sizeof(username), "%s",
nvram_safe_get("ppp_username"));
snprintf(passwd, sizeof(passwd), "%s", nvram_safe_get("ppp_passwd"));
if (status != REDIAL) {
create_pptp_config(nvram_safe_get("pptp_server_name"),
username);
/*
* Generate pap-secrets file
*/
if (!(fp = fopen("/tmp/ppp/pap-secrets", "w"))) {
perror("/tmp/ppp/pap-secrets");
return;
}
fprintf(fp, "\"%s\" * \"%s\" *\n", username, passwd);
fclose(fp);
chmod("/tmp/ppp/pap-secrets", 0600);
/*
* Generate chap-secrets file
*/
if (!(fp = fopen("/tmp/ppp/chap-secrets", "w"))) {
perror("/tmp/ppp/chap-secrets");
return;
}
fprintf(fp, "\"%s\" * \"%s\" *\n", username, passwd);
fclose(fp);
chmod("/tmp/ppp/chap-secrets", 0600);
/*
* Enable Forwarding
*/
if ((fp = fopen("/proc/sys/net/ipv4/ip_forward", "r+"))) {
fputc('1', fp);
fclose(fp);
} else
perror("/proc/sys/net/ipv4/ip_forward");
}
char *wan_ifname = nvram_safe_get("wan_ifname");
if (isClient()) {
wan_ifname = getSTA();
}
nvram_set("pptp_ifname", wan_ifname);
/*
* Bring up WAN interface
*/
if (nvram_match("pptp_use_dhcp", "1")) {
// pid_t pid;
// char *wan_ipaddr;
// char *wan_netmask;
// char *wan_gateway;
// char *pptp_server_ip = nvram_safe_get ("pptp_server_ip");
// char *wan_hostname = nvram_safe_get ("wan_hostname");
nvram_set("wan_get_dns", "");
nvram_unset("dhcpc_done");
//dirty hack
start_dhcpc(wan_ifname, NULL, NULL, 1);
int timeout;
for (timeout = 60; !nvram_match("dhcpc_done", "1") && timeout > 0; --timeout) { /* wait for info from dhcp server */
sleep(1);
}
stop_dhcpc(); /* we don't need dhcp client anymore */
create_pptp_config(nvram_safe_get("pptp_server_ip"), username);
} else {
ifconfig(wan_ifname, IFUP, nvram_safe_get("wan_ipaddr"),
nvram_safe_get("wan_netmask"));
struct dns_lists *dns_list = NULL;
dns_to_resolv();
dns_list = get_dns_list();
int i = 0;
if (dns_list) {
for (i = 0; i < dns_list->num_servers; i++)
route_add(wan_ifname, 0,
dns_list->dns_server[i],
nvram_safe_get("pptp_wan_gateway"),
"255.255.255.255");
}
route_add(wan_ifname, 0, "0.0.0.0",
nvram_safe_get("pptp_wan_gateway"), "0.0.0.0");
char pptpip[64];
getIPFromName(nvram_safe_get("pptp_server_name"), pptpip);
route_del(wan_ifname, 0, "0.0.0.0",
nvram_safe_get("pptp_wan_gateway"), "0.0.0.0");
if (dns_list) {
for (i = 0; i < dns_list->num_servers; i++)
route_del(wan_ifname, 0,
dns_list->dns_server[i],
nvram_safe_get("pptp_wan_gateway"),
"255.255.255.255");
free(dns_list);
}
nvram_set("pptp_server_ip", pptpip);
if (!nvram_match("pptp_wan_gateway", "0.0.0.0"))
route_add(wan_ifname, 0,
nvram_safe_get("pptp_server_ip"),
nvram_safe_get("pptp_wan_gateway"),
"255.255.255.255");
}
ret = _evalpid(pptp_argv, NULL, 0, NULL);
if (nvram_match("ppp_demand", "1")) {
/*
* Trigger Connect On Demand if user press Connect button in Status
* page
*/
if (nvram_match("action_service", "start_pptp")
|| nvram_match("action_service", "start_l2tp")) {
start_force_to_dial();
// force_to_dial(nvram_safe_get("action_service"));
nvram_unset("action_service");
}
/*
* Trigger Connect On Demand if user ping pptp server
*/
else {
eval("listen", nvram_safe_get("lan_ifname"));
}
}
stop_wland();
start_wshaper();
start_wland();
cprintf("done\n");
return;
}
