13006ec67SBrian Somers /*- 23006ec67SBrian Somers * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 33006ec67SBrian Somers * All rights reserved. 43006ec67SBrian Somers * 53006ec67SBrian Somers * Redistribution and use in source and binary forms, with or without 63006ec67SBrian Somers * modification, are permitted provided that the following conditions 73006ec67SBrian Somers * are met: 83006ec67SBrian Somers * 1. Redistributions of source code must retain the above copyright 93006ec67SBrian Somers * notice, this list of conditions and the following disclaimer. 103006ec67SBrian Somers * 2. Redistributions in binary form must reproduce the above copyright 113006ec67SBrian Somers * notice, this list of conditions and the following disclaimer in the 123006ec67SBrian Somers * documentation and/or other materials provided with the distribution. 133006ec67SBrian Somers * 143006ec67SBrian Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 153006ec67SBrian Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 163006ec67SBrian Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 173006ec67SBrian Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 183006ec67SBrian Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 193006ec67SBrian Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 203006ec67SBrian Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 213006ec67SBrian Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 223006ec67SBrian Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 233006ec67SBrian Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 243006ec67SBrian Somers * SUCH DAMAGE. 253006ec67SBrian Somers * 26f9545805SBrian Somers * $Id: datalink.c,v 1.1.2.16 1998/03/01 01:07:43 brian Exp $ 273006ec67SBrian Somers */ 283006ec67SBrian Somers 293006ec67SBrian Somers #include <sys/param.h> 303006ec67SBrian Somers #include <netinet/in.h> 313006ec67SBrian Somers 323006ec67SBrian Somers #include <alias.h> 33c7cc5030SBrian Somers #include <stdio.h> 343006ec67SBrian Somers #include <stdlib.h> 353006ec67SBrian Somers #include <string.h> 363006ec67SBrian Somers #include <termios.h> 373006ec67SBrian Somers 383006ec67SBrian Somers #include "command.h" 393006ec67SBrian Somers #include "mbuf.h" 403006ec67SBrian Somers #include "log.h" 413006ec67SBrian Somers #include "defs.h" 423006ec67SBrian Somers #include "loadalias.h" 433006ec67SBrian Somers #include "vars.h" 443006ec67SBrian Somers #include "timer.h" 453006ec67SBrian Somers #include "fsm.h" 463006ec67SBrian Somers #include "lcp.h" 473006ec67SBrian Somers #include "descriptor.h" 483006ec67SBrian Somers #include "hdlc.h" 493006ec67SBrian Somers #include "async.h" 503006ec67SBrian Somers #include "throughput.h" 513006ec67SBrian Somers #include "link.h" 523006ec67SBrian Somers #include "physical.h" 533006ec67SBrian Somers #include "bundle.h" 543006ec67SBrian Somers #include "chat.h" 553006ec67SBrian Somers #include "ccp.h" 56e2ebb036SBrian Somers #include "auth.h" 573006ec67SBrian Somers #include "main.h" 583006ec67SBrian Somers #include "modem.h" 593006ec67SBrian Somers #include "iplist.h" 603006ec67SBrian Somers #include "ipcp.h" 61c7cc5030SBrian Somers #include "prompt.h" 62e2ebb036SBrian Somers #include "lcpproto.h" 63e2ebb036SBrian Somers #include "pap.h" 64e2ebb036SBrian Somers #include "chap.h" 65e2ebb036SBrian Somers #include "datalink.h" 66c7cc5030SBrian Somers 67c7cc5030SBrian Somers static const char *datalink_State(struct datalink *); 683006ec67SBrian Somers 693006ec67SBrian Somers static void 703006ec67SBrian Somers datalink_OpenTimeout(void *v) 713006ec67SBrian Somers { 723006ec67SBrian Somers struct datalink *dl = (struct datalink *)v; 733006ec67SBrian Somers 743006ec67SBrian Somers StopTimer(&dl->dial_timer); 753006ec67SBrian Somers if (dl->state == DATALINK_OPENING) 763006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Redial timer expired.\n", dl->name); 773006ec67SBrian Somers } 783006ec67SBrian Somers 793006ec67SBrian Somers static void 803006ec67SBrian Somers datalink_StartDialTimer(struct datalink *dl, int Timeout) 813006ec67SBrian Somers { 823006ec67SBrian Somers StopTimer(&dl->dial_timer); 833006ec67SBrian Somers 843006ec67SBrian Somers if (Timeout) { 853006ec67SBrian Somers dl->dial_timer.state = TIMER_STOPPED; 863006ec67SBrian Somers if (Timeout > 0) 873006ec67SBrian Somers dl->dial_timer.load = Timeout * SECTICKS; 883006ec67SBrian Somers else 89e718d1d7SBrian Somers dl->dial_timer.load = (random() % DIAL_TIMEOUT) * SECTICKS; 903006ec67SBrian Somers dl->dial_timer.func = datalink_OpenTimeout; 913006ec67SBrian Somers dl->dial_timer.arg = dl; 923006ec67SBrian Somers StartTimer(&dl->dial_timer); 933006ec67SBrian Somers if (dl->state == DATALINK_OPENING) 943006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Enter pause (%d) for redialing.\n", 953006ec67SBrian Somers dl->name, Timeout); 963006ec67SBrian Somers } 973006ec67SBrian Somers } 983006ec67SBrian Somers 993006ec67SBrian Somers static void 1003006ec67SBrian Somers datalink_HangupDone(struct datalink *dl) 1013006ec67SBrian Somers { 1023006ec67SBrian Somers modem_Close(dl->physical); 103f9545805SBrian Somers dl->phone.chosen = "[N/A]"; 1043006ec67SBrian Somers 1053006ec67SBrian Somers if (!dl->dial_tries || (dl->dial_tries < 0 && !dl->reconnect_tries)) { 1063006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering CLOSED state\n", dl->name); 1073006ec67SBrian Somers dl->state = DATALINK_CLOSED; 1083006ec67SBrian Somers dl->dial_tries = -1; 1093006ec67SBrian Somers dl->reconnect_tries = 0; 1103006ec67SBrian Somers bundle_LinkClosed(dl->bundle, dl); 11173a13b5cSBrian Somers datalink_StartDialTimer(dl, dl->cfg.dial_timeout); 1123006ec67SBrian Somers } else { 113aef795ccSBrian Somers LogPrintf(LogPHASE, "%s: Re-entering OPENING state\n", dl->name); 1143006ec67SBrian Somers dl->state = DATALINK_OPENING; 115abff9baeSBrian Somers if (dl->dial_tries < 0) { 11673a13b5cSBrian Somers datalink_StartDialTimer(dl, dl->cfg.reconnect_timeout); 11773a13b5cSBrian Somers dl->dial_tries = dl->cfg.max_dial; 118abff9baeSBrian Somers dl->reconnect_tries--; 119abff9baeSBrian Somers } else { 120abff9baeSBrian Somers dl->dial_tries--; 121f9545805SBrian Somers if (dl->phone.next == NULL) 12273a13b5cSBrian Somers datalink_StartDialTimer(dl, dl->cfg.dial_timeout); 1233006ec67SBrian Somers else 12473a13b5cSBrian Somers datalink_StartDialTimer(dl, dl->cfg.dial_next_timeout); 1253006ec67SBrian Somers } 126abff9baeSBrian Somers } 127abff9baeSBrian Somers } 1283006ec67SBrian Somers 129f9545805SBrian Somers static const char * 130f9545805SBrian Somers datalink_ChoosePhoneNumber(struct datalink *dl) 131f9545805SBrian Somers { 132f9545805SBrian Somers char *phone; 133f9545805SBrian Somers 134f9545805SBrian Somers if (dl->phone.alt == NULL) { 135f9545805SBrian Somers if (dl->phone.next == NULL) { 136f9545805SBrian Somers strncpy(dl->phone.list, dl->cfg.phone.list, sizeof dl->phone.list - 1); 137f9545805SBrian Somers dl->phone.list[sizeof dl->phone.list - 1] = '\0'; 138f9545805SBrian Somers dl->phone.next = dl->phone.list; 139f9545805SBrian Somers } 140f9545805SBrian Somers dl->phone.alt = strsep(&dl->phone.next, ":"); 141f9545805SBrian Somers } 142f9545805SBrian Somers phone = strsep(&dl->phone.alt, "|"); 143f9545805SBrian Somers dl->phone.chosen = *phone ? phone : "[NONE]"; 144f9545805SBrian Somers if (*phone) 145f9545805SBrian Somers LogPrintf(LogPHASE, "Phone: %s\n", phone); 146f9545805SBrian Somers return phone; 147f9545805SBrian Somers } 148f9545805SBrian Somers 149c5a5a6caSBrian Somers static void 150c5a5a6caSBrian Somers datalink_LoginDone(struct datalink *dl) 151c5a5a6caSBrian Somers { 152d345321bSBrian Somers if (!dl->script.packetmode) { 153d345321bSBrian Somers dl->dial_tries = -1; 154d345321bSBrian Somers LogPrintf(LogPHASE, "%s: Entering READY state\n", dl->name); 155d345321bSBrian Somers dl->state = DATALINK_READY; 156d345321bSBrian Somers } else if (modem_Raw(dl->physical, dl->bundle) < 0) { 157c5a5a6caSBrian Somers dl->dial_tries = 0; 158c5a5a6caSBrian Somers LogPrintf(LogWARN, "datalink_LoginDone: Not connected.\n"); 159c5a5a6caSBrian Somers if (dl->script.run) { 160c5a5a6caSBrian Somers LogPrintf(LogPHASE, "%s: Entering HANGUP state\n", dl->name); 161c5a5a6caSBrian Somers dl->state = DATALINK_HANGUP; 162c5a5a6caSBrian Somers modem_Offline(dl->physical); 163f9545805SBrian Somers chat_Init(&dl->chat, dl->physical, dl->cfg.script.hangup, 1, NULL); 164c5a5a6caSBrian Somers } else 165c5a5a6caSBrian Somers datalink_HangupDone(dl); 166c5a5a6caSBrian Somers } else { 167c7cc5030SBrian Somers dl->dial_tries = -1; 168c7cc5030SBrian Somers 169503a7782SBrian Somers lcp_Setup(&LcpInfo, dl->state == DATALINK_READY ? 0 : VarOpenMode); 170f4768038SBrian Somers ccp_Setup(&dl->ccp); 171503a7782SBrian Somers 172e2ebb036SBrian Somers LogPrintf(LogPHASE, "%s: Entering LCP state\n", dl->name); 173e2ebb036SBrian Somers dl->state = DATALINK_LCP; 174c7cc5030SBrian Somers FsmUp(&LcpInfo.fsm); 17581b6b898SBrian Somers FsmOpen(&LcpInfo.fsm); 176c5a5a6caSBrian Somers } 177c5a5a6caSBrian Somers } 178c5a5a6caSBrian Somers 1793006ec67SBrian Somers static int 1803006ec67SBrian Somers datalink_UpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e, 1813006ec67SBrian Somers int *n) 1823006ec67SBrian Somers { 1833006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 1843006ec67SBrian Somers int result; 1853006ec67SBrian Somers 186310c3babSBrian Somers result = 0; 1873006ec67SBrian Somers switch (dl->state) { 1883006ec67SBrian Somers case DATALINK_CLOSED: 189310c3babSBrian Somers break; 1903006ec67SBrian Somers 1913006ec67SBrian Somers case DATALINK_OPENING: 1923006ec67SBrian Somers if (dl->dial_timer.state != TIMER_RUNNING) { 1933006ec67SBrian Somers if (--dl->dial_tries < 0) 1943006ec67SBrian Somers dl->dial_tries = 0; 1953006ec67SBrian Somers if (modem_Open(dl->physical, dl->bundle) >= 0) { 196c5a5a6caSBrian Somers if (dl->script.run) { 1973006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering DIAL state\n", dl->name); 1983006ec67SBrian Somers dl->state = DATALINK_DIAL; 199f9545805SBrian Somers chat_Init(&dl->chat, dl->physical, dl->cfg.script.dial, 1, 200f9545805SBrian Somers datalink_ChoosePhoneNumber(dl)); 20173a13b5cSBrian Somers if (!(mode & MODE_DDIAL) && dl->cfg.max_dial) 2023006ec67SBrian Somers LogPrintf(LogCHAT, "%s: Dial attempt %u of %d\n", 20373a13b5cSBrian Somers dl->name, dl->cfg.max_dial - dl->dial_tries, 20473a13b5cSBrian Somers dl->cfg.max_dial); 205c5a5a6caSBrian Somers } else 206c5a5a6caSBrian Somers datalink_LoginDone(dl); 2073006ec67SBrian Somers } else { 20873a13b5cSBrian Somers if (!(mode & MODE_DDIAL) && dl->cfg.max_dial) 2093006ec67SBrian Somers LogPrintf(LogCHAT, "Failed to open modem (attempt %u of %d)\n", 21073a13b5cSBrian Somers dl->cfg.max_dial - dl->dial_tries, dl->cfg.max_dial); 2113006ec67SBrian Somers else 2123006ec67SBrian Somers LogPrintf(LogCHAT, "Failed to open modem\n"); 2133006ec67SBrian Somers 21473a13b5cSBrian Somers if (!(mode & MODE_DDIAL) && dl->cfg.max_dial && dl->dial_tries == 0) { 2153006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering CLOSED state\n", dl->name); 2163006ec67SBrian Somers dl->state = DATALINK_CLOSED; 2173006ec67SBrian Somers dl->reconnect_tries = 0; 2183006ec67SBrian Somers dl->dial_tries = -1; 2195b8b8060SBrian Somers bundle_LinkClosed(dl->bundle, dl); 220c5a5a6caSBrian Somers } 22173a13b5cSBrian Somers datalink_StartDialTimer(dl, dl->cfg.dial_timeout); 2223006ec67SBrian Somers } 2233006ec67SBrian Somers } 224310c3babSBrian Somers break; 2253006ec67SBrian Somers 2263006ec67SBrian Somers case DATALINK_HANGUP: 2273006ec67SBrian Somers case DATALINK_DIAL: 2283006ec67SBrian Somers case DATALINK_LOGIN: 2293006ec67SBrian Somers result = descriptor_UpdateSet(&dl->chat.desc, r, w, e, n); 2303006ec67SBrian Somers switch (dl->chat.state) { 2313006ec67SBrian Somers case CHAT_DONE: 2323006ec67SBrian Somers /* script succeeded */ 2333006ec67SBrian Somers switch(dl->state) { 2343006ec67SBrian Somers case DATALINK_HANGUP: 2353006ec67SBrian Somers datalink_HangupDone(dl); 2363006ec67SBrian Somers break; 2373006ec67SBrian Somers case DATALINK_DIAL: 2383006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering LOGIN state\n", dl->name); 2393006ec67SBrian Somers dl->state = DATALINK_LOGIN; 240f9545805SBrian Somers chat_Init(&dl->chat, dl->physical, dl->cfg.script.login, 0, NULL); 2413006ec67SBrian Somers break; 2423006ec67SBrian Somers case DATALINK_LOGIN: 243c5a5a6caSBrian Somers datalink_LoginDone(dl); 2443006ec67SBrian Somers break; 2453006ec67SBrian Somers } 2463006ec67SBrian Somers break; 2473006ec67SBrian Somers case CHAT_FAILED: 2483006ec67SBrian Somers /* Going down - script failed */ 2493006ec67SBrian Somers LogPrintf(LogWARN, "Chat script failed\n"); 2503006ec67SBrian Somers switch(dl->state) { 2513006ec67SBrian Somers case DATALINK_HANGUP: 2523006ec67SBrian Somers datalink_HangupDone(dl); 2533006ec67SBrian Somers break; 2543006ec67SBrian Somers case DATALINK_DIAL: 2553006ec67SBrian Somers case DATALINK_LOGIN: 2563006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering HANGUP state\n", dl->name); 2573006ec67SBrian Somers dl->state = DATALINK_HANGUP; 2583006ec67SBrian Somers modem_Offline(dl->physical); 259f9545805SBrian Somers chat_Init(&dl->chat, dl->physical, dl->cfg.script.hangup, 1, NULL); 2603006ec67SBrian Somers break; 2613006ec67SBrian Somers } 2623006ec67SBrian Somers break; 2633006ec67SBrian Somers } 2643006ec67SBrian Somers break; 265c7cc5030SBrian Somers 266c7cc5030SBrian Somers case DATALINK_READY: 267e2ebb036SBrian Somers case DATALINK_LCP: 268e2ebb036SBrian Somers case DATALINK_AUTH: 2693006ec67SBrian Somers case DATALINK_OPEN: 2703006ec67SBrian Somers result = descriptor_UpdateSet(&dl->physical->desc, r, w, e, n); 2713006ec67SBrian Somers break; 2723006ec67SBrian Somers } 2733006ec67SBrian Somers return result; 2743006ec67SBrian Somers } 2753006ec67SBrian Somers 2763006ec67SBrian Somers static int 2773006ec67SBrian Somers datalink_IsSet(struct descriptor *d, fd_set *fdset) 2783006ec67SBrian Somers { 2793006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 2803006ec67SBrian Somers 2813006ec67SBrian Somers switch (dl->state) { 2823006ec67SBrian Somers case DATALINK_CLOSED: 283c7cc5030SBrian Somers case DATALINK_OPENING: 2843006ec67SBrian Somers break; 285c7cc5030SBrian Somers 2863006ec67SBrian Somers case DATALINK_HANGUP: 2873006ec67SBrian Somers case DATALINK_DIAL: 2883006ec67SBrian Somers case DATALINK_LOGIN: 2893006ec67SBrian Somers return descriptor_IsSet(&dl->chat.desc, fdset); 290c7cc5030SBrian Somers 291c7cc5030SBrian Somers case DATALINK_READY: 292e2ebb036SBrian Somers case DATALINK_LCP: 293e2ebb036SBrian Somers case DATALINK_AUTH: 2943006ec67SBrian Somers case DATALINK_OPEN: 2953006ec67SBrian Somers return descriptor_IsSet(&dl->physical->desc, fdset); 2963006ec67SBrian Somers } 2973006ec67SBrian Somers return 0; 2983006ec67SBrian Somers } 2993006ec67SBrian Somers 3003006ec67SBrian Somers static void 3013006ec67SBrian Somers datalink_Read(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 3023006ec67SBrian Somers { 3033006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 3043006ec67SBrian Somers 3053006ec67SBrian Somers switch (dl->state) { 3063006ec67SBrian Somers case DATALINK_CLOSED: 307c7cc5030SBrian Somers case DATALINK_OPENING: 3083006ec67SBrian Somers break; 309c7cc5030SBrian Somers 3103006ec67SBrian Somers case DATALINK_HANGUP: 3113006ec67SBrian Somers case DATALINK_DIAL: 3123006ec67SBrian Somers case DATALINK_LOGIN: 3133006ec67SBrian Somers descriptor_Read(&dl->chat.desc, bundle, fdset); 3143006ec67SBrian Somers break; 315c7cc5030SBrian Somers 316c7cc5030SBrian Somers case DATALINK_READY: 317e2ebb036SBrian Somers case DATALINK_LCP: 318e2ebb036SBrian Somers case DATALINK_AUTH: 3193006ec67SBrian Somers case DATALINK_OPEN: 3203006ec67SBrian Somers descriptor_Read(&dl->physical->desc, bundle, fdset); 3213006ec67SBrian Somers break; 3223006ec67SBrian Somers } 3233006ec67SBrian Somers } 3243006ec67SBrian Somers 3253006ec67SBrian Somers static void 326f4768038SBrian Somers datalink_Write(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 3273006ec67SBrian Somers { 3283006ec67SBrian Somers struct datalink *dl = descriptor2datalink(d); 3293006ec67SBrian Somers 3303006ec67SBrian Somers switch (dl->state) { 3313006ec67SBrian Somers case DATALINK_CLOSED: 332c7cc5030SBrian Somers case DATALINK_OPENING: 3333006ec67SBrian Somers break; 334c7cc5030SBrian Somers 3353006ec67SBrian Somers case DATALINK_HANGUP: 3363006ec67SBrian Somers case DATALINK_DIAL: 3373006ec67SBrian Somers case DATALINK_LOGIN: 338f4768038SBrian Somers descriptor_Write(&dl->chat.desc, bundle, fdset); 3393006ec67SBrian Somers break; 340c7cc5030SBrian Somers 341c7cc5030SBrian Somers case DATALINK_READY: 342e2ebb036SBrian Somers case DATALINK_LCP: 343e2ebb036SBrian Somers case DATALINK_AUTH: 3443006ec67SBrian Somers case DATALINK_OPEN: 345f4768038SBrian Somers descriptor_Write(&dl->physical->desc, bundle, fdset); 3463006ec67SBrian Somers break; 3473006ec67SBrian Somers } 3483006ec67SBrian Somers } 3493006ec67SBrian Somers 3506d666775SBrian Somers static void 351e2ebb036SBrian Somers datalink_ComeDown(struct datalink *dl, int stay) 352e2ebb036SBrian Somers { 353e2ebb036SBrian Somers if (stay) { 354e2ebb036SBrian Somers dl->dial_tries = -1; 355e2ebb036SBrian Somers dl->reconnect_tries = 0; 356e2ebb036SBrian Somers } 357e2ebb036SBrian Somers 358e2ebb036SBrian Somers if (dl->state != DATALINK_CLOSED && dl->state != DATALINK_HANGUP) { 359e2ebb036SBrian Somers modem_Offline(dl->physical); 360e2ebb036SBrian Somers if (dl->script.run && dl->state != DATALINK_OPENING) { 361e2ebb036SBrian Somers LogPrintf(LogPHASE, "%s: Entering HANGUP state\n", dl->name); 362e2ebb036SBrian Somers dl->state = DATALINK_HANGUP; 363f9545805SBrian Somers chat_Init(&dl->chat, dl->physical, dl->cfg.script.hangup, 1, NULL); 364e2ebb036SBrian Somers } else 365e2ebb036SBrian Somers datalink_HangupDone(dl); 366e2ebb036SBrian Somers } 367e2ebb036SBrian Somers } 368e2ebb036SBrian Somers 369e2ebb036SBrian Somers static void 3706d666775SBrian Somers datalink_LayerStart(void *v, struct fsm *fp) 3716d666775SBrian Somers { 3726d666775SBrian Somers /* The given FSM is about to start up ! */ 373e2ebb036SBrian Somers if (fp == &LcpInfo.fsm) { 3746d666775SBrian Somers struct datalink *dl = (struct datalink *)v; 375e2ebb036SBrian Somers (*dl->parent->LayerStart)(dl->parent->object, fp); 376e2ebb036SBrian Somers } 3776d666775SBrian Somers } 3786d666775SBrian Somers 3796d666775SBrian Somers static void 3806d666775SBrian Somers datalink_LayerUp(void *v, struct fsm *fp) 3816d666775SBrian Somers { 3826d666775SBrian Somers /* The given fsm is now up */ 3836d666775SBrian Somers struct datalink *dl = (struct datalink *)v; 3846d666775SBrian Somers 3856d666775SBrian Somers if (fp == &LcpInfo.fsm) { 386e2ebb036SBrian Somers LcpInfo.auth_ineed = LcpInfo.want_auth; 387e2ebb036SBrian Somers LcpInfo.auth_iwait = LcpInfo.his_auth; 388e2ebb036SBrian Somers if (LcpInfo.his_auth || LcpInfo.want_auth) { 389e2ebb036SBrian Somers if (dl->bundle->phase == PHASE_DEAD || 390e2ebb036SBrian Somers dl->bundle->phase == PHASE_ESTABLISH) 391e2ebb036SBrian Somers bundle_NewPhase(dl->bundle, dl->physical, PHASE_AUTHENTICATE); 392e2ebb036SBrian Somers LogPrintf(LogPHASE, "%s: his = %s, mine = %s\n", dl->name, 393e2ebb036SBrian Somers Auth2Nam(LcpInfo.his_auth), Auth2Nam(LcpInfo.want_auth)); 394e2ebb036SBrian Somers if (LcpInfo.his_auth == PROTO_PAP) 395e2ebb036SBrian Somers StartAuthChallenge(&dl->pap, dl->physical, SendPapChallenge); 396e2ebb036SBrian Somers if (LcpInfo.want_auth == PROTO_CHAP) 397e2ebb036SBrian Somers StartAuthChallenge(&dl->chap.auth, dl->physical, SendChapChallenge); 398e2ebb036SBrian Somers } else 399e2ebb036SBrian Somers datalink_AuthOk(dl); 400e2ebb036SBrian Somers } 401e2ebb036SBrian Somers } 402e2ebb036SBrian Somers 403e2ebb036SBrian Somers void 404e2ebb036SBrian Somers datalink_AuthOk(struct datalink *dl) 405e2ebb036SBrian Somers { 4066d666775SBrian Somers FsmUp(&dl->ccp.fsm); 4076d666775SBrian Somers FsmOpen(&dl->ccp.fsm); 408e2ebb036SBrian Somers dl->state = DATALINK_OPEN; 409e2ebb036SBrian Somers (*dl->parent->LayerUp)(dl->parent->object, &LcpInfo.fsm); 4106d666775SBrian Somers } 411e2ebb036SBrian Somers 412e2ebb036SBrian Somers void 413e2ebb036SBrian Somers datalink_AuthNotOk(struct datalink *dl) 414e2ebb036SBrian Somers { 415e2ebb036SBrian Somers dl->state = DATALINK_LCP; 416e2ebb036SBrian Somers FsmClose(&LcpInfo.fsm); 4176d666775SBrian Somers } 4186d666775SBrian Somers 4196d666775SBrian Somers static void 4206d666775SBrian Somers datalink_LayerDown(void *v, struct fsm *fp) 4216d666775SBrian Somers { 4226d666775SBrian Somers /* The given FSM has been told to come down */ 4236d666775SBrian Somers struct datalink *dl = (struct datalink *)v; 4246d666775SBrian Somers if (fp == &LcpInfo.fsm) { 425e2ebb036SBrian Somers switch (dl->state) { 426e2ebb036SBrian Somers case DATALINK_OPEN: 427e2ebb036SBrian Somers FsmDown(&dl->ccp.fsm); 428e2ebb036SBrian Somers FsmClose(&dl->ccp.fsm); 429e2ebb036SBrian Somers (*dl->parent->LayerDown)(dl->parent->object, fp); 430e2ebb036SBrian Somers /* fall through */ 431e2ebb036SBrian Somers 432e2ebb036SBrian Somers case DATALINK_AUTH: 433e2ebb036SBrian Somers StopTimer(&dl->pap.authtimer); 434e2ebb036SBrian Somers StopTimer(&dl->chap.auth.authtimer); 4356d666775SBrian Somers } 436e2ebb036SBrian Somers dl->state = DATALINK_LCP; 437e2ebb036SBrian Somers } 4386d666775SBrian Somers } 4396d666775SBrian Somers 4406d666775SBrian Somers static void 4416d666775SBrian Somers datalink_LayerFinish(void *v, struct fsm *fp) 4426d666775SBrian Somers { 4436d666775SBrian Somers /* The given fsm is now down */ 4446d666775SBrian Somers struct datalink *dl = (struct datalink *)v; 4456d666775SBrian Somers 4466d666775SBrian Somers if (fp == &LcpInfo.fsm) { 4476d666775SBrian Somers (*dl->parent->LayerFinish)(dl->parent->object, fp); 448e2ebb036SBrian Somers datalink_ComeDown(dl, 0); 4496d666775SBrian Somers } 4506d666775SBrian Somers } 4516d666775SBrian Somers 4523006ec67SBrian Somers struct datalink * 4536d666775SBrian Somers datalink_Create(const char *name, struct bundle *bundle, 4546d666775SBrian Somers const struct fsm_parent *parent) 4553006ec67SBrian Somers { 4563006ec67SBrian Somers struct datalink *dl; 4573006ec67SBrian Somers 4583006ec67SBrian Somers dl = (struct datalink *)malloc(sizeof(struct datalink)); 4593006ec67SBrian Somers if (dl == NULL) 4603006ec67SBrian Somers return dl; 4613006ec67SBrian Somers 4623006ec67SBrian Somers dl->desc.type = DATALINK_DESCRIPTOR; 4633006ec67SBrian Somers dl->desc.next = NULL; 4643006ec67SBrian Somers dl->desc.UpdateSet = datalink_UpdateSet; 4653006ec67SBrian Somers dl->desc.IsSet = datalink_IsSet; 4663006ec67SBrian Somers dl->desc.Read = datalink_Read; 4673006ec67SBrian Somers dl->desc.Write = datalink_Write; 4685b8b8060SBrian Somers 469e718d1d7SBrian Somers dl->state = DATALINK_CLOSED; 470e718d1d7SBrian Somers 47173a13b5cSBrian Somers *dl->cfg.script.dial = '\0'; 47273a13b5cSBrian Somers *dl->cfg.script.login = '\0'; 47373a13b5cSBrian Somers *dl->cfg.script.hangup = '\0'; 474f9545805SBrian Somers *dl->cfg.phone.list = '\0'; 475f9545805SBrian Somers *dl->phone.list = '\0'; 476f9545805SBrian Somers dl->phone.next = NULL; 477f9545805SBrian Somers dl->phone.alt = NULL; 478f9545805SBrian Somers dl->phone.chosen = "N/A"; 479c7cc5030SBrian Somers dl->script.run = 1; 480c7cc5030SBrian Somers dl->script.packetmode = 1; 4815b8b8060SBrian Somers 4823006ec67SBrian Somers dl->bundle = bundle; 4833006ec67SBrian Somers dl->next = NULL; 484e718d1d7SBrian Somers 4853006ec67SBrian Somers memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 486e718d1d7SBrian Somers 4873006ec67SBrian Somers dl->dial_tries = 0; 48873a13b5cSBrian Somers dl->cfg.max_dial = 1; 48973a13b5cSBrian Somers dl->cfg.dial_timeout = DIAL_TIMEOUT; 49073a13b5cSBrian Somers dl->cfg.dial_next_timeout = DIAL_NEXT_TIMEOUT; 491e718d1d7SBrian Somers 492abff9baeSBrian Somers dl->reconnect_tries = 0; 49373a13b5cSBrian Somers dl->cfg.max_reconnect = 0; 49473a13b5cSBrian Somers dl->cfg.reconnect_timeout = RECONNECT_TIMEOUT; 495abff9baeSBrian Somers 4963006ec67SBrian Somers dl->name = strdup(name); 497f4768038SBrian Somers if ((dl->physical = modem_Create(dl->name)) == NULL) { 4983006ec67SBrian Somers free(dl->name); 4993006ec67SBrian Somers free(dl); 5003006ec67SBrian Somers return NULL; 5013006ec67SBrian Somers } 502f9545805SBrian Somers chat_Init(&dl->chat, dl->physical, NULL, 1, NULL); 5033006ec67SBrian Somers 5046d666775SBrian Somers dl->parent = parent; 5056d666775SBrian Somers dl->fsm.LayerStart = datalink_LayerStart; 5066d666775SBrian Somers dl->fsm.LayerUp = datalink_LayerUp; 5076d666775SBrian Somers dl->fsm.LayerDown = datalink_LayerDown; 5086d666775SBrian Somers dl->fsm.LayerFinish = datalink_LayerFinish; 5096d666775SBrian Somers dl->fsm.object = dl; 5106d666775SBrian Somers 5116d666775SBrian Somers lcp_Init(&LcpInfo, dl->bundle, dl->physical, &dl->fsm); 5126d666775SBrian Somers ccp_Init(&dl->ccp, dl->bundle, &dl->physical->link, &dl->fsm); 5133006ec67SBrian Somers 514e2ebb036SBrian Somers authinfo_Init(&dl->pap); 515e2ebb036SBrian Somers authinfo_Init(&dl->chap.auth); 516e2ebb036SBrian Somers 517c7cc5030SBrian Somers LogPrintf(LogPHASE, "%s: Created in CLOSED state\n", dl->name); 5183006ec67SBrian Somers 5193006ec67SBrian Somers return dl; 5203006ec67SBrian Somers } 5213006ec67SBrian Somers 5223006ec67SBrian Somers struct datalink * 5233006ec67SBrian Somers datalink_Destroy(struct datalink *dl) 5243006ec67SBrian Somers { 5253006ec67SBrian Somers struct datalink *result; 5263006ec67SBrian Somers 5273006ec67SBrian Somers if (dl->state != DATALINK_CLOSED) 528c7cc5030SBrian Somers LogPrintf(LogERROR, "Oops, destroying a datalink in state %s\n", 529c7cc5030SBrian Somers datalink_State(dl)); 5303006ec67SBrian Somers 5313006ec67SBrian Somers result = dl->next; 5323006ec67SBrian Somers chat_Destroy(&dl->chat); 5333006ec67SBrian Somers link_Destroy(&dl->physical->link); 5343006ec67SBrian Somers free(dl->name); 5353006ec67SBrian Somers free(dl); 5363006ec67SBrian Somers 5373006ec67SBrian Somers return result; 5383006ec67SBrian Somers } 5393006ec67SBrian Somers 5403006ec67SBrian Somers void 541c5a5a6caSBrian Somers datalink_Up(struct datalink *dl, int runscripts, int packetmode) 5423006ec67SBrian Somers { 543c7cc5030SBrian Somers switch (dl->state) { 544c7cc5030SBrian Somers case DATALINK_CLOSED: 5453006ec67SBrian Somers LogPrintf(LogPHASE, "%s: Entering OPENING state\n", dl->name); 5463006ec67SBrian Somers dl->state = DATALINK_OPENING; 54773a13b5cSBrian Somers dl->reconnect_tries = dl->cfg.max_reconnect; 54873a13b5cSBrian Somers dl->dial_tries = dl->cfg.max_dial; 549c5a5a6caSBrian Somers dl->script.run = runscripts; 550c5a5a6caSBrian Somers dl->script.packetmode = packetmode; 551c7cc5030SBrian Somers break; 552c7cc5030SBrian Somers 553c7cc5030SBrian Somers case DATALINK_OPENING: 554c7cc5030SBrian Somers if (!dl->script.run && runscripts) 555c7cc5030SBrian Somers dl->script.run = 1; 556c7cc5030SBrian Somers /* fall through */ 557c7cc5030SBrian Somers 558c7cc5030SBrian Somers case DATALINK_DIAL: 559c7cc5030SBrian Somers case DATALINK_LOGIN: 560c7cc5030SBrian Somers case DATALINK_READY: 561c7cc5030SBrian Somers if (!dl->script.packetmode && packetmode) { 562c7cc5030SBrian Somers dl->script.packetmode = 1; 563c7cc5030SBrian Somers if (dl->state == DATALINK_READY) 564c7cc5030SBrian Somers datalink_LoginDone(dl); 565c7cc5030SBrian Somers } 566c7cc5030SBrian Somers break; 5673006ec67SBrian Somers } 5683006ec67SBrian Somers } 5693006ec67SBrian Somers 5703006ec67SBrian Somers void 571c7cc5030SBrian Somers datalink_Close(struct datalink *dl, int stay) 572c7cc5030SBrian Somers { 573c7cc5030SBrian Somers /* Please close */ 574e2ebb036SBrian Somers switch (dl->state) { 575e2ebb036SBrian Somers case DATALINK_OPEN: 576e2ebb036SBrian Somers FsmDown(&dl->ccp.fsm); 577f4768038SBrian Somers FsmClose(&dl->ccp.fsm); 578e2ebb036SBrian Somers /* fall through */ 579e2ebb036SBrian Somers 580e2ebb036SBrian Somers case DATALINK_AUTH: 581e2ebb036SBrian Somers case DATALINK_LCP: 582c7cc5030SBrian Somers FsmClose(&LcpInfo.fsm); 583c7cc5030SBrian Somers if (stay) { 584c7cc5030SBrian Somers dl->dial_tries = -1; 585c7cc5030SBrian Somers dl->reconnect_tries = 0; 586c7cc5030SBrian Somers } 587e2ebb036SBrian Somers break; 588e2ebb036SBrian Somers 589e2ebb036SBrian Somers default: 590c7cc5030SBrian Somers datalink_ComeDown(dl, stay); 591c7cc5030SBrian Somers } 592e2ebb036SBrian Somers } 593c7cc5030SBrian Somers 594c7cc5030SBrian Somers void 595c7cc5030SBrian Somers datalink_Down(struct datalink *dl, int stay) 596c7cc5030SBrian Somers { 597c7cc5030SBrian Somers /* Carrier is lost */ 598e2ebb036SBrian Somers switch (dl->state) { 599e2ebb036SBrian Somers case DATALINK_OPEN: 600f4768038SBrian Somers FsmDown(&dl->ccp.fsm); 601f4768038SBrian Somers FsmClose(&dl->ccp.fsm); 602e2ebb036SBrian Somers /* fall through */ 603e2ebb036SBrian Somers 604e2ebb036SBrian Somers case DATALINK_AUTH: 605e2ebb036SBrian Somers case DATALINK_LCP: 606c7cc5030SBrian Somers FsmDown(&LcpInfo.fsm); 607c7cc5030SBrian Somers if (stay) 608c7cc5030SBrian Somers FsmClose(&LcpInfo.fsm); 609c7cc5030SBrian Somers else 610f4768038SBrian Somers FsmOpen(&dl->ccp.fsm); 611e2ebb036SBrian Somers /* fall through */ 612c7cc5030SBrian Somers 613e2ebb036SBrian Somers default: 614c7cc5030SBrian Somers datalink_ComeDown(dl, stay); 615c7cc5030SBrian Somers } 616e2ebb036SBrian Somers } 617c7cc5030SBrian Somers 618c7cc5030SBrian Somers void 6193006ec67SBrian Somers datalink_StayDown(struct datalink *dl) 6203006ec67SBrian Somers { 6213006ec67SBrian Somers dl->reconnect_tries = 0; 6223006ec67SBrian Somers } 623c7cc5030SBrian Somers 624c7cc5030SBrian Somers void 625c7cc5030SBrian Somers datalink_Show(struct datalink *dl) 626c7cc5030SBrian Somers { 627c7cc5030SBrian Somers prompt_Printf(&prompt, "Link %s: State %s\n", dl->name, datalink_State(dl)); 628c7cc5030SBrian Somers } 629c7cc5030SBrian Somers 630c7cc5030SBrian Somers static char *states[] = { 631c7cc5030SBrian Somers "CLOSED", 632c7cc5030SBrian Somers "OPENING", 633c7cc5030SBrian Somers "HANGUP", 634c7cc5030SBrian Somers "DIAL", 635c7cc5030SBrian Somers "LOGIN", 636c7cc5030SBrian Somers "READY", 637e2ebb036SBrian Somers "LCP" 638e2ebb036SBrian Somers "AUTH" 639c7cc5030SBrian Somers "OPEN" 640c7cc5030SBrian Somers }; 641c7cc5030SBrian Somers 642c7cc5030SBrian Somers static const char * 643c7cc5030SBrian Somers datalink_State(struct datalink *dl) 644c7cc5030SBrian Somers { 645c7cc5030SBrian Somers if (dl->state < 0 || dl->state >= sizeof states / sizeof states[0]) 646c7cc5030SBrian Somers return "unknown"; 647c7cc5030SBrian Somers return states[dl->state]; 648c7cc5030SBrian Somers } 649