static int
write_pppd_ras_conf(const char* call_path, const char *modem_node, int unit)
{
FILE *fp;
int modem_type, vid = 0, pid = 0;
char tmp[256], *user, *pass, *isp, *connect;
if (!get_modem_vid_pid(modem_node, &vid, &pid))
return 0;
if (!(fp = fopen(call_path, "w+")))
return 0;
modem_type = nvram_get_int("modem_type");
user = nvram_safe_get("modem_user");
pass = nvram_safe_get("modem_pass");
isp = nvram_safe_get("modem_isp");
fprintf(fp, "/dev/%s\n", modem_node);
fprintf(fp, "crtscts\n");
fprintf(fp, "modem\n");
fprintf(fp, "noauth\n");
if(strlen(user) > 0)
fprintf(fp, "user '%s'\n", safe_pppd_line(user, tmp, sizeof(tmp)));
if(strlen(pass) > 0)
fprintf(fp, "password '%s'\n", safe_pppd_line(pass, tmp, sizeof(tmp)));
if(!strcmp(isp, "Virgin") || !strcmp(isp, "CDMA-UA")){
fprintf(fp, "refuse-chap\n");
fprintf(fp, "refuse-mschap\n");
fprintf(fp, "refuse-mschap-v2\n");
}
fprintf(fp, "mtu %d\n", nvram_safe_get_int("modem_mtu", 1500, 1000, 1500));
fprintf(fp, "mru %d\n", 1500);
fprintf(fp, "persist\n");
fprintf(fp, "maxfail %d\n", 0);
fprintf(fp, "holdoff %d\n", 10);
fprintf(fp, "nopcomp noaccomp\n");
fprintf(fp, "novj nobsdcomp nodeflate\n");
fprintf(fp, "noipdefault\n");
if (nvram_invmatch("modem_dnsa", "0"))
fprintf(fp, "usepeerdns\n");
fprintf(fp, "minunit %d\n", RAS_PPP_UNIT);
fprintf(fp, "linkname wan%d\n", unit);
if (nvram_get_int("modem_dbg") == 1)
fprintf(fp, "debug\n");
connect = "Generic_conn.scr";
if (modem_type == 1) {
connect = "EVDO_conn.scr";
} else if( modem_type == 2) {
connect = "td_conn.scr";
} else {
if (vid == 0x0b05 && pid == 0x0302) // T500
connect = "t500_conn.scr";
else if (vid == 0x0421 && pid == 0x0612) // CS-15
connect = "t500_conn.scr";
else if (vid == 0x106c && pid == 0x3716)
connect = "verizon_conn.scr";
else if (vid == 0x1410 && pid == 0x4400)
connect = "rogers_conn.scr";
}
fprintf(fp, "%s \"/bin/comgt -d /dev/%s -s %s/ppp/3g/%s\"\n", "connect", modem_node, MODEM_SCRIPTS_DIR, connect);
fprintf(fp, "%s \"/bin/comgt -d /dev/%s -s %s/ppp/3g/%s\"\n", "disconnect", modem_node, MODEM_SCRIPTS_DIR, "Generic_disconn.scr");
fclose(fp);
return 1;
}
int
start_vpn_client(void)
{
FILE *fp;
int i_type, i_mppe, i_auth;
char *vpnc_peer, *vpnc_opt, tmp[256];
if (nvram_invmatch("vpnc_enable", "1") || get_ap_mode())
return 1;
vpnc_peer = nvram_safe_get("vpnc_peer");
if (strlen(vpnc_peer) < 1) {
logmessage(VPNC_LOG_NAME, "Unable to start - remote server host is not defined!");
return 1;
}
nvram_set_temp("vpnc_dns_t", "");
nvram_set_temp("vpnc_dom_t", "");
nvram_set_int_temp("vpnc_state_t", 0);
i_type = nvram_get_int("vpnc_type");
#if defined(APP_OPENVPN)
if (i_type == 2)
return start_openvpn_client();
#endif
vpnc_opt = VPN_CLIENT_PPPD_OPTIONS;
mkdir("/tmp/ppp", 0777);
symlink("/sbin/rc", VPNC_PPP_UP_SCRIPT);
symlink("/sbin/rc", VPNC_PPP_DW_SCRIPT);
i_auth = nvram_get_int("vpnc_auth");
i_mppe = nvram_get_int("vpnc_mppe");
// Create options for pppd
if (!(fp = fopen(vpnc_opt, "w"))) {
return -1;
}
fprintf(fp, "noauth\n");
fprintf(fp, "user '%s'\n", safe_pppd_line(nvram_safe_get("vpnc_user"), tmp, sizeof(tmp)));
fprintf(fp, "password '%s'\n", safe_pppd_line(nvram_safe_get("vpnc_pass"), tmp, sizeof(tmp)));
fprintf(fp, "refuse-eap\n");
if (i_auth == 1) {
/* MS-CHAPv2 */
fprintf(fp, "refuse-pap\n");
fprintf(fp, "refuse-chap\n");
fprintf(fp, "refuse-mschap\n");
}
else if (i_auth == 2) {
/* CHAP */
fprintf(fp, "refuse-pap\n");
fprintf(fp, "refuse-mschap\n");
fprintf(fp, "refuse-mschap-v2\n");
}
else if (i_auth == 3) {
/* PAP */
fprintf(fp, "refuse-chap\n");
fprintf(fp, "refuse-mschap\n");
fprintf(fp, "refuse-mschap-v2\n");
}
if (i_type != 1)
{
fprintf(fp, "plugin pptp.so\n");
fprintf(fp, "pptp_server '%s'\n", vpnc_peer);
fprintf(fp, "route_rdgw %d\n", (nvram_match("vpnc_dgw", "1")) ? 2 : 0);
fprintf(fp, "persist\n");
fprintf(fp, "linkname %s\n", VPNC_PPP_LINK_NAME);
}
fprintf(fp, "mtu %d\n", nvram_safe_get_int("vpnc_mtu", 1450, 1000, 1460));
fprintf(fp, "mru %d\n", nvram_safe_get_int("vpnc_mru", 1450, 1000, 1460));
fprintf(fp, "maxfail %d\n", 0); // pppd re-call count (0=infinite)
fprintf(fp, "holdoff %d\n", 10); // pppd re-call time (10s)
fprintf(fp, "ipcp-accept-remote ipcp-accept-local\n");
fprintf(fp, "noipdefault\n");
fprintf(fp, "usepeerdns\n");
fprintf(fp, "default-asyncmap\n");
/* looks like pptp also likes them */
fprintf(fp, "nopcomp noaccomp\n");
/* ccp should still be enabled - mppe/mppc requires this */
fprintf(fp, "novj nobsdcomp nodeflate\n");
if (i_mppe == 3) {
fprintf(fp, "nomppe nomppc\n");
} else {
if (i_mppe == 1) {
fprintf(fp, "+mppe\n");
fprintf(fp, "-mppe-40\n");
fprintf(fp, "+mppe-128\n");
} else if (i_mppe == 2) {
fprintf(fp, "+mppe\n");
fprintf(fp, "+mppe-40\n");
fprintf(fp, "-mppe-128\n");
} else {
fprintf(fp, "+mppe-40\n");
fprintf(fp, "+mppe-128\n");
}
fprintf(fp, "nomppe-stateful\n");
}
if (i_type == 1)
{
// Don't wait for LCP term responses; exit immediately when killed
fprintf(fp, "lcp-max-terminate %d\n", 0);
}
/* echo failures (6*20s) */
fprintf(fp, "lcp-echo-interval %d\n", 20);
fprintf(fp, "lcp-echo-failure %d\n", 6);
fprintf(fp, "lcp-echo-adaptive\n");
fprintf(fp, "ip-up-script %s\n", VPNC_PPP_UP_SCRIPT);
fprintf(fp, "ip-down-script %s\n", VPNC_PPP_DW_SCRIPT);
fprintf(fp, "minunit %d\n", VPNC_PPP_UNIT);
fprintf(fp, "ktune\n");
/* user specific options */
fprintf(fp, "%s\n", nvram_safe_get("vpnc_pppd"));
fclose(fp);
chmod(vpnc_opt, 0600);
if (i_type == 1)
{
nvram_set_int_temp("l2tp_cli_t", 1);
if (safe_start_xl2tpd() != 0)
control_xl2tpd("c", "VPNC");
}
else
{
nvram_set_int_temp("l2tp_cli_t", 0);
return eval("/usr/sbin/pppd", "file", vpnc_opt);
}
return 0;
}