int main(int argc, char *argv[]) { #if defined(AEI_VDSL_CUSTOMER_BELLALIANT) CmsRet ret; cmsLog_init(EID_LEDCTL); cmsLog_setLevel(DEFAULT_LOG_LEVEL); if ((ret = cmsMsg_init(EID_LEDCTL, &msgHandle)) != CMSRET_SUCCESS) { cmsLog_error("msg initialization failed, ret=%d", ret); cmsLog_cleanup(); return 0; } #endif if (argc != 3) { usage(1); } cmsLog_error("++++++++%s %s",argv[1],argv[2]); if (!cmsUtl_strcmp(argv[1], "WAN")) { processWanLed(argv[2]); } else { usage(1); } #if defined(AEI_VDSL_CUSTOMER_BELLALIANT) cmsMsg_cleanup(&msgHandle); cmsLog_cleanup(); #endif return 0; }
int main(int argc, char *argv[]) #endif { char *temp, *message; unsigned long t1 = 0, t2 = 0, xid = 0; unsigned long start = 0, lease; fd_set rfds; int fd, retval; struct timeval tv; int c, len; struct ifreq ifr; struct dhcpMessage packet; struct in_addr temp_addr; int pid_fd; static struct option options[] = { {"clientid", required_argument, 0, 'c'}, {"foreground", no_argument, 0, 'f'}, {"hostname", required_argument, 0, 'H'}, {"help", no_argument, 0, 'h'}, {"interface", required_argument, 0, 'i'}, {"now", no_argument, 0, 'n'}, {"pidfile", required_argument, 0, 'p'}, {"quit", no_argument, 0, 'q'}, {"request", required_argument, 0, 'r'}, {"script", required_argument, 0, 's'}, {"version", no_argument, 0, 'v'}, {"6rd", no_argument, 0, '6'}, {0, 0, 0, 0} }; /* get options */ while (1) { int option_index = 0; // brcm c = getopt_long(argc, argv, "c:fH:hi:np:qr:s:d:v:6I:D:O:S:P:", options, &option_index); if (c == -1) break; switch (c) { case 'c': len = strlen(optarg) > 255 ? 255 : strlen(optarg); if (client_config.clientid) free(client_config.clientid); client_config.clientid = malloc(len + 2); client_config.clientid[OPT_CODE] = DHCP_CLIENT_ID; client_config.clientid[OPT_LEN] = len; strncpy(client_config.clientid + 2, optarg, len); break; case 'f': client_config.foreground = 1; break; case 'H': len = strlen(optarg) > 255 ? 255 : strlen(optarg); if (client_config.hostname) free(client_config.hostname); client_config.hostname = malloc(len + 2); client_config.hostname[OPT_CODE] = DHCP_HOST_NAME; client_config.hostname[OPT_LEN] = len; strncpy(client_config.hostname + 2, optarg, len); break; case 'h': print_usage(); return 0; case 'i': client_config.interface = optarg; // brcm strcpy(session_path, optarg); break; case 'n': client_config.abort_if_no_lease = 1; break; case 'p': client_config.pidfile = optarg; break; case 'q': client_config.quit_after_lease = 1; break; case 'r': requested_ip = inet_addr(optarg); break; // brcm case 'd': strcpy(vendor_class_id, optarg); en_vendor_class_id=1; break; case '6': ipv6rd_opt = 1; break; case 's': client_config.script = optarg; break; case 'v': printf("udhcpcd, version %s\n\n", VERSION); break; case 'I': strcpy(iaid, optarg); en_client_id = 1; break; case 'D': strcpy(duid, optarg); en_client_id = 1; break; case 'O': strcpy(oui_125, optarg); en_125 = 1; break; case 'S': strcpy(sn_125, optarg); en_125 = 1; break; case 'P': strcpy(prod_125, optarg); en_125 = 1; break; } } // brcm if (strlen(session_path) > 0) { sprintf(status_path, "%s/%s/%s", _PATH_WAN_DIR, session_path, _PATH_MSG); sprintf(pid_path, "%s/%s/%s", _PATH_WAN_DIR, session_path, _PATH_PID); } OPEN_LOG("udhcpc"); #ifdef VERBOSE cmsLog_setLevel(LOG_LEVEL_DEBUG); #else cmsLog_setLevel(DEFAULT_LOG_LEVEL); #endif LOG(LOG_INFO, "udhcp client (v%s) started", VERSION); cmsMsg_init(EID_DHCPC, &msgHandle); pid_fd = pidfile_acquire(client_config.pidfile); pidfile_write_release(pid_fd); if ((fd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) >= 0) { strcpy(ifr.ifr_name, client_config.interface); if (ioctl(fd, SIOCGIFINDEX, &ifr) == 0) { DEBUG(LOG_INFO, "adapter index %d", ifr.ifr_ifindex); client_config.ifindex = ifr.ifr_ifindex; } else { LOG(LOG_ERR, "SIOCGIFINDEX failed! %s", strerror(errno)); exit_client(1); } if (ioctl(fd, SIOCGIFHWADDR, &ifr) == 0) { memcpy(client_config.arp, ifr.ifr_hwaddr.sa_data, 6); DEBUG(LOG_INFO, "adapter hardware address %02x:%02x:%02x:%02x:%02x:%02x", client_config.arp[0], client_config.arp[1], client_config.arp[2], client_config.arp[3], client_config.arp[4], client_config.arp[5]); } else { LOG(LOG_ERR, "SIOCGIFHWADDR failed! %s", strerror(errno)); exit_client(1); } } else { LOG(LOG_ERR, "socket failed! %s", strerror(errno)); exit_client(1); } close(fd); fd = -1; /* setup signal handlers */ signal(SIGUSR1, renew_requested); signal(SIGUSR2, release_requested); signal(SIGTERM, terminate); state = INIT_SELECTING; // brcm // run_script(NULL, "deconfig"); // brcm setStatus(0); for (;;) { // brcm if ((old_mode != listen_mode) || (fd == -1)) { old_mode = listen_mode; /* * After dhcpc runs as daemon(backgroud)mode, fd 0-2 be closed. * The sock fd may be 0. */ if (fd >= 0) { close(fd); fd = -1; } if (listen_mode == LISTEN_RAW) { if ((fd = raw_socket(client_config.ifindex)) < 0) { LOG(LOG_ERR, "couldn't create raw socket -- au revoir"); exit_client(0); } } else if (listen_mode == LISTEN_KERNEL) { if ((fd = listen_socket(INADDR_ANY, CLIENT_PORT, client_config.interface)) < 0) { LOG(LOG_ERR, "couldn't create server socket -- au revoir"); exit_client(0); } } else fd = -1; } tv.tv_sec = timeout - time(0); tv.tv_usec = 0; FD_ZERO(&rfds); if (listen_mode) FD_SET(fd, &rfds); if (tv.tv_sec > 0) { retval = select(fd + 1, &rfds, NULL, NULL, &tv); } else retval = 0; /* If we already timed out, fall through */ if (retval == 0) { /* timeout dropped to zero */ switch (state) { case INIT_SELECTING: // brcm setStatus(0); if (packet_num < 3) { if (packet_num == 0) xid = random_xid(); /* send discover packet */ send_discover(xid, requested_ip); /* broadcast */ timeout = time(0) + ((packet_num == 2) ? REQ_TIMEOUT : 2); packet_num++; } else { if (client_config.abort_if_no_lease) { LOG(LOG_INFO, "No lease, failing."); exit_client(1); } /* wait to try again */ packet_num = 0; timeout = time(0) + INIT_TIMEOUT; } break; case RENEW_REQUESTED: case REQUESTING: if (packet_num < 3) { /* send request packet */ if (state == RENEW_REQUESTED) send_renew(xid, server_addr, requested_ip); /* unicast */ else send_selecting(xid, server_addr, requested_ip); /* broadcast */ timeout = time(0) + ((packet_num == 2) ? REQ_TIMEOUT : 2); packet_num++; } else { /* timed out, go back to init state */ state = INIT_SELECTING; timeout = time(0); packet_num = 0; listen_mode = LISTEN_RAW; } break; case BOUND: /* Lease is starting to run out, time to enter renewing state */ state = RENEWING; listen_mode = LISTEN_KERNEL; DEBUG(LOG_INFO, "Entering renew state"); /* fall right through */ case RENEWING: /* Either set a new T1, or enter REBINDING state */ if ((t2 - t1) <= (lease / 14400 + 1)) { /* timed out, enter rebinding state */ state = REBINDING; timeout = time(0) + (t2 - t1); DEBUG(LOG_INFO, "Entering rebinding state"); } else { /* send a request packet */ send_renew(xid, server_addr, requested_ip); /* unicast */ t1 = (t2 - t1) / 2 + t1; timeout = t1 + start; } break; case REBINDING: /* Either set a new T2, or enter INIT state */ if ((lease - t2) <= (lease / 14400 + 1)) { /* timed out, enter init state */ state = INIT_SELECTING; LOG(LOG_INFO, "Lease lost, entering init state"); run_script(NULL, "deconfig"); timeout = time(0); packet_num = 0; listen_mode = LISTEN_RAW; } else { /* send a request packet */ send_renew(xid, 0, requested_ip); /* broadcast */ t2 = (lease - t2) / 2 + t2; timeout = t2 + start; } break; case RELEASED: /* yah, I know, *you* say it would never happen */ timeout = 0xffffffff; break; } } else if (retval > 0 && listen_mode != LISTEN_NONE && FD_ISSET(fd, &rfds)) { /* a packet is ready, read it */ if (listen_mode == LISTEN_KERNEL) { if (get_packet(&packet, fd) < 0) continue; } else { if (get_raw_packet(&packet, fd) < 0) continue; } if (packet.xid != xid) { DEBUG(LOG_INFO, "Ignoring XID %lx (our xid is %lx)", (unsigned long) packet.xid, xid); continue; } if ((message = (char *)get_option(&packet, DHCP_MESSAGE_TYPE)) == NULL) { DEBUG(LOG_ERR, "couldnt get option from packet -- ignoring"); continue; } switch (state) { case INIT_SELECTING: /* Must be a DHCPOFFER to one of our xid's */ if (*message == DHCPOFFER) { if ((temp = (char *)get_option(&packet, DHCP_SERVER_ID))) { memcpy(&server_addr, temp, 4); xid = packet.xid; requested_ip = packet.yiaddr; /* enter requesting state */ state = REQUESTING; timeout = time(0); packet_num = 0; } else { DEBUG(LOG_ERR, "No server ID in message"); } } break; case RENEW_REQUESTED: case REQUESTING: case RENEWING: case REBINDING: if (*message == DHCPACK) { if (!(temp = (char *)get_option(&packet, DHCP_LEASE_TIME))) { LOG(LOG_ERR, "No lease time with ACK, using 1 hour lease"); lease = 60*60; } else { memcpy(&lease, temp, 4); lease = ntohl(lease); } /* enter bound state */ t1 = lease / 2; /* little fixed point for n * .875 */ t2 = (lease * 0x7) >> 3; temp_addr.s_addr = packet.yiaddr; LOG(LOG_INFO, "Lease of %s obtained, lease time %ld", inet_ntoa(temp_addr), lease); start = time(0); timeout = t1 + start; requested_ip = packet.yiaddr; run_script(&packet, ((state == RENEWING || state == REBINDING) ? "renew" : "bound")); state = BOUND; listen_mode = LISTEN_NONE; // brcm close(fd); fd = -1; setStatus(1); background(); } else if (*message == DHCPNAK) { /* return to init state */ LOG(LOG_INFO, "Received DHCP NAK"); if (state != REQUESTING) run_script(NULL, "deconfig"); state = INIT_SELECTING; timeout = time(0); requested_ip = 0; packet_num = 0; listen_mode = LISTEN_RAW; // brcm setStatus(0); } break; case BOUND: case RELEASED: /* ignore all packets */ break; } } else if (retval == -1 && errno == EINTR) {