/* * ppp.c * * Copyright (C) 2007 Sebastian Gottschall * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Id: */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ledcontrol.h" #include #include #include #include #define IFUP (IFF_UP | IFF_RUNNING | IFF_BROADCAST | IFF_MULTICAST) char *getenvs(char *env) { static unsigned char r[64]; char *e = getenv(env); if (!e) return NULL; int c = 0; int i; for (i = 0; i < strlen(e); i++) { if (e[i] != ' ') r[c++] = e[i]; } r[c++] = 0; //terminate string return r; } /* * Called when link comes up */ int ipup_main(int argc, char **argv) { FILE *fp; char *wan_ifname = safe_getenv("IFNAME"); // char *wan_proto = nvram_safe_get("wan_proto"); char *value; char buf[256]; cprintf("%s\n", argv[0]); stop_process("listen", "activity listener"); nvram_set("wan_iface", wan_ifname); if (check_action() != ACT_IDLE) return -1; /* * ipup will receive bellow six arguments */ /* * interface-name tty-device speed local-IP-address remote-IP-address * ipparam */ /* * Touch connection file */ if (!(fp = fopen("/tmp/ppp/link", "a"))) { perror("/tmp/ppp/link"); return errno; } fprintf(fp, "%s", argv[1]); fclose(fp); nvram_set("pppd_pppifname", wan_ifname); if (nvram_match("wan_proto", "pppoe")) nvram_set("pppoe_ifname", wan_ifname); if (getenv("IPLOCAL")) { value = getenvs("IPLOCAL"); ifconfig(wan_ifname, IFUP, value, "255.255.255.255"); if (nvram_match("wan_proto", "pppoe")) { nvram_set("wan_ipaddr_buf", nvram_safe_get("wan_ipaddr")); // Store nvram_set("wan_ipaddr", value); nvram_set("wan_netmask", "255.255.255.255"); #ifdef HAVE_PPPOATM } else if (nvram_match("wan_proto", "pppoa")) { nvram_set("wan_ipaddr_buf", nvram_safe_get("wan_ipaddr")); // Store nvram_set("wan_ipaddr", value); nvram_set("wan_netmask", "255.255.255.255"); #endif #ifdef HAVE_PPTP } else if (nvram_match("wan_proto", "pptp")) { nvram_set("wan_ipaddr_buf", nvram_safe_get("wan_ipaddr")); // Store nvram_set("pptp_get_ip", value); #endif #ifdef HAVE_L2TP } else if (nvram_match("wan_proto", "l2tp")) { nvram_set("wan_ipaddr_buf", nvram_safe_get("wan_ipaddr")); // Store nvram_set("l2tp_get_ip", value); #endif } #ifdef HAVE_3G else if (nvram_match("wan_proto", "3g")) { nvram_set("wan_ipaddr_buf", nvram_safe_get("wan_ipaddr")); // Store nvram_set("wan_ipaddr", value); nvram_set("wan_netmask", "255.255.255.255"); // reset 3gnetmodetoggle for mode 5 nvram_unset("3gnetmodetoggle"); #if defined(HAVE_TMK) || defined(HAVE_BKM) char *gpio3g = nvram_get("gpio3g"); if (gpio3g != NULL) set_gpio(atoi(gpio3g), 1); #endif } #endif } if (getenv("IPREMOTE")) { value = getenvs("IPREMOTE"); nvram_set("wan_gateway", value); if (nvram_match("wan_proto", "pptp")) { eval("route", "del", "default"); route_add(wan_ifname, 0, "0.0.0.0", value, "0.0.0.0"); } } strcpy(buf, ""); if (getenv("DNS1")) sprintf(buf, "%s", getenvs("DNS1")); if (getenv("DNS2")) sprintf(buf + strlen(buf), "%s%s", strlen(buf) ? " " : "", getenvs("DNS2")); nvram_set("wan_get_dns", buf); if ((value = getenv("AC_NAME"))) nvram_set("ppp_get_ac", value); if ((value = getenv("SRV_NAME"))) nvram_set("ppp_get_srv", value); if ((value = getenv("MTU"))) nvram_set("wan_run_mtu", value); start_wan_done(wan_ifname); cprintf("done\n"); return 0; } /* * Called when link goes down */ int ipdown_main(int argc, char **argv) { if (check_action() != ACT_IDLE) return -1; stop_ddns(); stop_ntpc(); unlink("/tmp/ppp/link"); if (nvram_match("wan_proto", "l2tp")) { /* * clear dns from the resolv.conf */ nvram_set("wan_get_dns", ""); dns_to_resolv(); // todo route_del(nvram_safe_get("wan_ifname"), 0, nvram_safe_get("l2tp_server_ip"), nvram_safe_get("wan_gateway_buf"), "255.255.255.255"); /* * Restore the default gateway for WAN interface */ nvram_set("wan_gateway", nvram_safe_get("wan_gateway_buf")); /* * Set default route to gateway if specified */ route_add(nvram_safe_get("wan_ifname"), 0, "0.0.0.0", nvram_safe_get("wan_gateway"), "0.0.0.0"); } if (nvram_match("wan_proto", "pptp")) { eval("route", "del", "default"); nvram_set("wan_gateway", nvram_safe_get("wan_gateway_buf")); eval("route", "add", "default", "gw", nvram_safe_get("wan_gateway")); sysprintf ("iptables -t nat -A POSTROUTING -o %s -j MASQUERADE\n", nvram_safe_get("pptp_ifname")); } #ifdef HAVE_3G #if defined(HAVE_TMK) || defined(HAVE_BKM) else if (nvram_match("wan_proto", "3g")) { char *gpio3g = nvram_get("gpio3g"); if (gpio3g != NULL) set_gpio(atoi(gpio3g), 0); } #endif #endif nvram_set("pppoe_ifname", ""); nvram_set("pppd_pppifname", ""); // write PPP traffic statistics to nvram if wanted if (nvram_match("ppp_traffic", "1")) { char buffer[64]; long long old_in, old_out; long long in, out; char *pin; char *pout; time_t stamp; old_in = atol(nvram_safe_get("ppp_byte_in")); old_out = atol(nvram_safe_get("ppp_byte_out")); if ((pin = getenv("BYTES_RCVD"))) in = atol(pin); else in = 0; if ((pout = getenv("BYTES_SENT"))) out = atol(pout); else out = 0; in += old_in; out += old_out; snprintf(buffer, 63, "%lld", in); nvram_set("ppp_byte_in", buffer); snprintf(buffer, 63, "%lld", out); nvram_set("ppp_byte_out", buffer); if ((stamp = time(NULL)) < 1087818160) // clock is not set // properly stamp = 0; snprintf(buffer, 63, "%ld", stamp); nvram_set("ppp_byte_stamp", buffer); nvram_commit(); } if (nvram_match("ppp_demand", "1") && (nvram_match("wan_proto", "pptp") || nvram_match("wan_proto", "l2tp"))) { stop_process("listen", "activity listener"); eval("listen", nvram_safe_get("lan_ifname")); } return 1; } /* * int pppevent_main (int argc, char **argv) { int argn; char *type = NULL; * * argn = 1; while (argn < argc && argv[argn][0] == '-') { if (strcmp * (argv[argn], "-t") == 0) { ++argn; type = argv[argn]; } ++argn; } * * if (!type) return 1; * * * if (!strcmp (type, "PAP_AUTH_FAIL") || !strcmp (type, "CHAP_AUTH_FAIL")) { * * buf_to_file ("/tmp/ppp/log", type); * * if (check_hw_type () == BCM4704_BCM5325F_CHIP) SET_LED (GET_IP_ERROR); } * * return 0; } * * //============================================================================= * int set_pppoepid_to_nv_main (int argc, char **argv) // tallest 1219 { if * (!strcmp (argv[1], "0")) { nvram_set ("pppoe_pid0", getenv ("PPPD_PID")); * nvram_set ("pppoe_ifname0", getenv ("IFNAME")); } else if (!strcmp (argv[1], * "1")) { nvram_set ("pppoe_pid1", getenv ("PPPD_PID")); nvram_set * ("pppoe_ifname1", getenv ("IFNAME")); } * * dprintf ("done.( IFNAME = %s DEVICE = %s )\n", getenv ("IFNAME"), getenv * ("DEVICE")); return 0; } */ // by tallest 0407 int disconnected_pppoe_main(int argc, char **argv) { int pppoe_num = atoi(argv[1]); char ppp_demand[2][20] = { "ppp_demand", "ppp_demand_1" }; if (nvram_match(ppp_demand[pppoe_num], "1") && nvram_match("action_service", "")) { cprintf("tallest:=====( kill pppoe %d )=====\n", pppoe_num); stop_single_pppoe(pppoe_num); start_pppoe(pppoe_num); dns_to_resolv(); stop_dnsmasq(); start_dnsmasq(); return 0; } cprintf("tallest:=====( PPPOE Dial On Demand Error!! )=====\n"); return 0; } // =============================================================================