| lcp.c (44106) | lcp.c (44305) |
|---|---|
| 1/* 2 * PPP Link Control Protocol (LCP) Module 3 * 4 * Written by Toshiharu OHNO (tony-o@iij.ad.jp) 5 * 6 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd. 7 * 8 * Redistribution and use in source and binary forms are permitted 9 * provided that the above copyright notice and this paragraph are 10 * duplicated in all such forms and that any documentation, 11 * advertising materials, and other materials related to such 12 * distribution and use acknowledge that the software was developed 13 * by the Internet Initiative Japan, Inc. The name of the 14 * IIJ may not be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 19 * | 1/* 2 * PPP Link Control Protocol (LCP) Module 3 * 4 * Written by Toshiharu OHNO (tony-o@iij.ad.jp) 5 * 6 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd. 7 * 8 * Redistribution and use in source and binary forms are permitted 9 * provided that the above copyright notice and this paragraph are 10 * duplicated in all such forms and that any documentation, 11 * advertising materials, and other materials related to such 12 * distribution and use acknowledge that the software was developed 13 * by the Internet Initiative Japan, Inc. The name of the 14 * IIJ may not be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 19 * |
| 20 * $Id: lcp.c,v 1.67 1999/01/28 01:56:32 brian Exp $ | 20 * $Id: lcp.c,v 1.68 1999/02/18 00:52:14 brian Exp $ |
| 21 * 22 * TODO: 23 * o Limit data field length by MRU 24 */ 25 26#include <sys/param.h> 27#include <netinet/in.h> 28#include <netinet/in_systm.h> --- 47 unchanged lines hidden (view full) --- 76 u_short proto; /* Quality protocol */ 77 u_int32_t period; /* Reporting interval */ 78}; 79 80static int LcpLayerUp(struct fsm *); 81static void LcpLayerDown(struct fsm *); 82static void LcpLayerStart(struct fsm *); 83static void LcpLayerFinish(struct fsm *); | 21 * 22 * TODO: 23 * o Limit data field length by MRU 24 */ 25 26#include <sys/param.h> 27#include <netinet/in.h> 28#include <netinet/in_systm.h> --- 47 unchanged lines hidden (view full) --- 76 u_short proto; /* Quality protocol */ 77 u_int32_t period; /* Reporting interval */ 78}; 79 80static int LcpLayerUp(struct fsm *); 81static void LcpLayerDown(struct fsm *); 82static void LcpLayerStart(struct fsm *); 83static void LcpLayerFinish(struct fsm *); |
| 84static void LcpInitRestartCounter(struct fsm *); | 84static void LcpInitRestartCounter(struct fsm *, int); |
| 85static void LcpSendConfigReq(struct fsm *); 86static void LcpSentTerminateReq(struct fsm *); 87static void LcpSendTerminateAck(struct fsm *, u_char); 88static void LcpDecodeConfig(struct fsm *, u_char *, int, int, 89 struct fsm_decode *); 90 91static struct fsm_callbacks lcp_Callbacks = { 92 LcpLayerUp, --- 73 unchanged lines hidden (view full) --- 166 prompt_Printf(arg->prompt, "\n Defaults: MRU = %d, ", lcp->cfg.mru); 167 prompt_Printf(arg->prompt, "ACCMAP = %08lx\n", (u_long)lcp->cfg.accmap); 168 prompt_Printf(arg->prompt, " LQR period = %us, ", 169 lcp->cfg.lqrperiod); 170 prompt_Printf(arg->prompt, "Open Mode = %s", 171 lcp->cfg.openmode == OPEN_PASSIVE ? "passive" : "active"); 172 if (lcp->cfg.openmode > 0) 173 prompt_Printf(arg->prompt, " (delay %ds)", lcp->cfg.openmode); | 85static void LcpSendConfigReq(struct fsm *); 86static void LcpSentTerminateReq(struct fsm *); 87static void LcpSendTerminateAck(struct fsm *, u_char); 88static void LcpDecodeConfig(struct fsm *, u_char *, int, int, 89 struct fsm_decode *); 90 91static struct fsm_callbacks lcp_Callbacks = { 92 LcpLayerUp, --- 73 unchanged lines hidden (view full) --- 166 prompt_Printf(arg->prompt, "\n Defaults: MRU = %d, ", lcp->cfg.mru); 167 prompt_Printf(arg->prompt, "ACCMAP = %08lx\n", (u_long)lcp->cfg.accmap); 168 prompt_Printf(arg->prompt, " LQR period = %us, ", 169 lcp->cfg.lqrperiod); 170 prompt_Printf(arg->prompt, "Open Mode = %s", 171 lcp->cfg.openmode == OPEN_PASSIVE ? "passive" : "active"); 172 if (lcp->cfg.openmode > 0) 173 prompt_Printf(arg->prompt, " (delay %ds)", lcp->cfg.openmode); |
| 174 prompt_Printf(arg->prompt, "\n FSM retry = %us\n", 175 lcp->cfg.fsmretry); | 174 prompt_Printf(arg->prompt, "\n FSM retry = %us, max %u Config" 175 " REQ%s, %u Term REQ%s\n", lcp->cfg.fsm.timeout, 176 lcp->cfg.fsm.maxreq, lcp->cfg.fsm.maxreq == 1 ? "" : "s", 177 lcp->cfg.fsm.maxtrm, lcp->cfg.fsm.maxtrm == 1 ? "" : "s"); |
| 176 prompt_Printf(arg->prompt, "\n Negotiation:\n"); 177 prompt_Printf(arg->prompt, " ACFCOMP = %s\n", 178 command_ShowNegval(lcp->cfg.acfcomp)); 179 prompt_Printf(arg->prompt, " CHAP = %s\n", 180 command_ShowNegval(lcp->cfg.chap05)); 181#ifdef HAVE_DES 182 prompt_Printf(arg->prompt, " MSCHAP = %s\n", 183 command_ShowNegval(lcp->cfg.chap80nt)); --- 29 unchanged lines hidden (view full) --- 213 214void 215lcp_Init(struct lcp *lcp, struct bundle *bundle, struct link *l, 216 const struct fsm_parent *parent) 217{ 218 /* Initialise ourselves */ 219 int mincode = parent ? 1 : LCP_MINMPCODE; 220 | 178 prompt_Printf(arg->prompt, "\n Negotiation:\n"); 179 prompt_Printf(arg->prompt, " ACFCOMP = %s\n", 180 command_ShowNegval(lcp->cfg.acfcomp)); 181 prompt_Printf(arg->prompt, " CHAP = %s\n", 182 command_ShowNegval(lcp->cfg.chap05)); 183#ifdef HAVE_DES 184 prompt_Printf(arg->prompt, " MSCHAP = %s\n", 185 command_ShowNegval(lcp->cfg.chap80nt)); --- 29 unchanged lines hidden (view full) --- 215 216void 217lcp_Init(struct lcp *lcp, struct bundle *bundle, struct link *l, 218 const struct fsm_parent *parent) 219{ 220 /* Initialise ourselves */ 221 int mincode = parent ? 1 : LCP_MINMPCODE; 222 |
| 221 fsm_Init(&lcp->fsm, "LCP", PROTO_LCP, mincode, LCP_MAXCODE, 10, LogLCP, | 223 fsm_Init(&lcp->fsm, "LCP", PROTO_LCP, mincode, LCP_MAXCODE, LogLCP, |
| 222 bundle, l, parent, &lcp_Callbacks, lcp_TimerNames); 223 224 lcp->cfg.mru = DEF_MRU; 225 lcp->cfg.accmap = 0; 226 lcp->cfg.openmode = 1; 227 lcp->cfg.lqrperiod = DEF_LQRPERIOD; | 224 bundle, l, parent, &lcp_Callbacks, lcp_TimerNames); 225 226 lcp->cfg.mru = DEF_MRU; 227 lcp->cfg.accmap = 0; 228 lcp->cfg.openmode = 1; 229 lcp->cfg.lqrperiod = DEF_LQRPERIOD; |
| 228 lcp->cfg.fsmretry = DEF_FSMRETRY; | 230 lcp->cfg.fsm.timeout = DEF_FSMRETRY; 231 lcp->cfg.fsm.maxreq = DEF_FSMTRIES; 232 lcp->cfg.fsm.maxtrm = DEF_FSMTRIES; |
| 229 230 lcp->cfg.acfcomp = NEG_ENABLED|NEG_ACCEPTED; 231 lcp->cfg.chap05 = NEG_ACCEPTED; 232#ifdef HAVE_DES 233 lcp->cfg.chap80nt = NEG_ACCEPTED; 234 lcp->cfg.chap80lm = NEG_ACCEPTED; 235#endif 236 lcp->cfg.lqr = NEG_ACCEPTED; 237 lcp->cfg.pap = NEG_ACCEPTED; 238 lcp->cfg.protocomp = NEG_ENABLED|NEG_ACCEPTED; 239 240 lcp_Setup(lcp, lcp->cfg.openmode); 241} 242 243void 244lcp_Setup(struct lcp *lcp, int openmode) 245{ 246 lcp->fsm.open_mode = openmode; | 233 234 lcp->cfg.acfcomp = NEG_ENABLED|NEG_ACCEPTED; 235 lcp->cfg.chap05 = NEG_ACCEPTED; 236#ifdef HAVE_DES 237 lcp->cfg.chap80nt = NEG_ACCEPTED; 238 lcp->cfg.chap80lm = NEG_ACCEPTED; 239#endif 240 lcp->cfg.lqr = NEG_ACCEPTED; 241 lcp->cfg.pap = NEG_ACCEPTED; 242 lcp->cfg.protocomp = NEG_ENABLED|NEG_ACCEPTED; 243 244 lcp_Setup(lcp, lcp->cfg.openmode); 245} 246 247void 248lcp_Setup(struct lcp *lcp, int openmode) 249{ 250 lcp->fsm.open_mode = openmode; |
| 247 lcp->fsm.maxconfig = 10; | |
| 248 249 lcp->his_mru = lcp->fsm.bundle->cfg.mtu; 250 if (!lcp->his_mru || lcp->his_mru > DEF_MRU) 251 lcp->his_mru = DEF_MRU; 252 lcp->his_mrru = 0; 253 lcp->his_magic = 0; 254 lcp->his_lqrperiod = 0; 255 lcp->his_acfcomp = 0; --- 50 unchanged lines hidden (view full) --- 306 } 307 308 lcp->his_reject = lcp->my_reject = 0; 309 lcp->auth_iwait = lcp->auth_ineed = 0; 310 lcp->LcpFailedMagic = 0; 311} 312 313static void | 251 252 lcp->his_mru = lcp->fsm.bundle->cfg.mtu; 253 if (!lcp->his_mru || lcp->his_mru > DEF_MRU) 254 lcp->his_mru = DEF_MRU; 255 lcp->his_mrru = 0; 256 lcp->his_magic = 0; 257 lcp->his_lqrperiod = 0; 258 lcp->his_acfcomp = 0; --- 50 unchanged lines hidden (view full) --- 309 } 310 311 lcp->his_reject = lcp->my_reject = 0; 312 lcp->auth_iwait = lcp->auth_ineed = 0; 313 lcp->LcpFailedMagic = 0; 314} 315 316static void |
| 314LcpInitRestartCounter(struct fsm * fp) | 317LcpInitRestartCounter(struct fsm *fp, int what) |
| 315{ 316 /* Set fsm timer load */ 317 struct lcp *lcp = fsm2lcp(fp); 318 | 318{ 319 /* Set fsm timer load */ 320 struct lcp *lcp = fsm2lcp(fp); 321 |
| 319 fp->FsmTimer.load = lcp->cfg.fsmretry * SECTICKS; 320 fp->restart = DEF_REQs; | 322 fp->FsmTimer.load = lcp->cfg.fsm.timeout * SECTICKS; 323 switch (what) { 324 case FSM_REQ_TIMER: 325 fp->restart = lcp->cfg.fsm.maxreq; 326 break; 327 case FSM_TRM_TIMER: 328 fp->restart = lcp->cfg.fsm.maxtrm; 329 break; 330 default: 331 fp->restart = 1; 332 break; 333 } |
| 321} 322 323static void 324LcpSendConfigReq(struct fsm *fp) 325{ 326 /* Send config REQ please */ 327 struct physical *p = link2physical(fp->link); 328 struct lcp *lcp = fsm2lcp(fp); --- 95 unchanged lines hidden (view full) --- 424void 425lcp_SendProtoRej(struct lcp *lcp, u_char *option, int count) 426{ 427 /* Don't understand `option' */ 428 fsm_Output(&lcp->fsm, CODE_PROTOREJ, lcp->fsm.reqid, option, count); 429} 430 431static void | 334} 335 336static void 337LcpSendConfigReq(struct fsm *fp) 338{ 339 /* Send config REQ please */ 340 struct physical *p = link2physical(fp->link); 341 struct lcp *lcp = fsm2lcp(fp); --- 95 unchanged lines hidden (view full) --- 437void 438lcp_SendProtoRej(struct lcp *lcp, u_char *option, int count) 439{ 440 /* Don't understand `option' */ 441 fsm_Output(&lcp->fsm, CODE_PROTOREJ, lcp->fsm.reqid, option, count); 442} 443 444static void |
| 432LcpSentTerminateReq(struct fsm * fp) | 445LcpSentTerminateReq(struct fsm *fp) |
| 433{ 434 /* Term REQ just sent by FSM */ 435} 436 437static void 438LcpSendTerminateAck(struct fsm *fp, u_char id) 439{ 440 /* Send Term ACK please */ --- 8 unchanged lines hidden (view full) --- 449static void 450LcpLayerStart(struct fsm *fp) 451{ 452 /* We're about to start up ! */ 453 struct lcp *lcp = fsm2lcp(fp); 454 455 log_Printf(LogLCP, "%s: LayerStart\n", fp->link->name); 456 lcp->LcpFailedMagic = 0; | 446{ 447 /* Term REQ just sent by FSM */ 448} 449 450static void 451LcpSendTerminateAck(struct fsm *fp, u_char id) 452{ 453 /* Send Term ACK please */ --- 8 unchanged lines hidden (view full) --- 462static void 463LcpLayerStart(struct fsm *fp) 464{ 465 /* We're about to start up ! */ 466 struct lcp *lcp = fsm2lcp(fp); 467 468 log_Printf(LogLCP, "%s: LayerStart\n", fp->link->name); 469 lcp->LcpFailedMagic = 0; |
| 470 fp->more.reqs = fp->more.naks = fp->more.rejs = lcp->cfg.fsm.maxreq * 3; |
|
| 457} 458 459static void 460LcpLayerFinish(struct fsm *fp) 461{ 462 /* We're now down */ 463 log_Printf(LogLCP, "%s: LayerFinish\n", fp->link->name); 464} --- 4 unchanged lines hidden (view full) --- 469 /* We're now up */ 470 struct physical *p = link2physical(fp->link); 471 struct lcp *lcp = fsm2lcp(fp); 472 473 log_Printf(LogLCP, "%s: LayerUp\n", fp->link->name); 474 async_SetLinkParams(&p->async, lcp); 475 lqr_Start(lcp); 476 hdlc_StartTimer(&p->hdlc); | 471} 472 473static void 474LcpLayerFinish(struct fsm *fp) 475{ 476 /* We're now down */ 477 log_Printf(LogLCP, "%s: LayerFinish\n", fp->link->name); 478} --- 4 unchanged lines hidden (view full) --- 483 /* We're now up */ 484 struct physical *p = link2physical(fp->link); 485 struct lcp *lcp = fsm2lcp(fp); 486 487 log_Printf(LogLCP, "%s: LayerUp\n", fp->link->name); 488 async_SetLinkParams(&p->async, lcp); 489 lqr_Start(lcp); 490 hdlc_StartTimer(&p->hdlc); |
| 491 fp->more.reqs = fp->more.naks = fp->more.rejs = lcp->cfg.fsm.maxreq * 3; 492 |
|
| 477 return 1; 478} 479 480static void 481LcpLayerDown(struct fsm *fp) 482{ 483 /* About to come down */ 484 struct physical *p = link2physical(fp->link); --- 274 unchanged lines hidden (view full) --- 759#endif 760 } else { 761#ifndef HAVE_DES 762 if (cp[4] == 0x80) 763 log_Printf(LogLCP, "Peer will only send MSCHAP (not available" 764 " without DES)\n"); 765 else 766#endif | 493 return 1; 494} 495 496static void 497LcpLayerDown(struct fsm *fp) 498{ 499 /* About to come down */ 500 struct physical *p = link2physical(fp->link); --- 274 unchanged lines hidden (view full) --- 775#endif 776 } else { 777#ifndef HAVE_DES 778 if (cp[4] == 0x80) 779 log_Printf(LogLCP, "Peer will only send MSCHAP (not available" 780 " without DES)\n"); 781 else 782#endif |
| 767 log_Printf(LogLCP, "Peer will only send %s (not supported)\n", 768 Auth2Nam(PROTO_CHAP, cp[4])); | 783 log_Printf(LogLCP, "Peer will only send %s (not %s)\n", 784 Auth2Nam(PROTO_CHAP, cp[4]), 785#ifdef HAVE_DES 786 cp[4] == 0x80 ? "configured" : 787#endif 788 "supported"); |
| 769 lcp->his_reject |= (1 << type); 770 } 771 break; 772 default: 773 /* We've been NAK'd with something we don't understand :-( */ 774 lcp->his_reject |= (1 << type); 775 break; 776 } --- 280 unchanged lines hidden (view full) --- 1057 cp[2]); 1058 else 1059 log_Printf(LogLCP, " ENDDISC rejected - local max length is %ld\n", 1060 (long)(sizeof p->dl->peer.enddisc.address - 1)); 1061 goto reqreject; 1062 } 1063 break; 1064 | 789 lcp->his_reject |= (1 << type); 790 } 791 break; 792 default: 793 /* We've been NAK'd with something we don't understand :-( */ 794 lcp->his_reject |= (1 << type); 795 break; 796 } --- 280 unchanged lines hidden (view full) --- 1077 cp[2]); 1078 else 1079 log_Printf(LogLCP, " ENDDISC rejected - local max length is %ld\n", 1080 (long)(sizeof p->dl->peer.enddisc.address - 1)); 1081 goto reqreject; 1082 } 1083 break; 1084 |
| 1065 case MODE_NAK: /* Treat this as a REJ, we don't vary or disc */ | 1085 case MODE_NAK: /* Treat this as a REJ, we don't vary our disc */ |
| 1066 case MODE_REJ: 1067 lcp->his_reject |= (1 << type); 1068 break; 1069 } 1070 break; 1071 1072 default: 1073 sz = (sizeof desc - 2) / 2; --- 51 unchanged lines hidden (view full) --- 1125 dec->nakend = dec->nak; 1126 } else if (dec->nakend != dec->nak) 1127 /* then NAKs */ 1128 dec->ackend = dec->ack; 1129 } 1130} 1131 1132void | 1086 case MODE_REJ: 1087 lcp->his_reject |= (1 << type); 1088 break; 1089 } 1090 break; 1091 1092 default: 1093 sz = (sizeof desc - 2) / 2; --- 51 unchanged lines hidden (view full) --- 1145 dec->nakend = dec->nak; 1146 } else if (dec->nakend != dec->nak) 1147 /* then NAKs */ 1148 dec->ackend = dec->ack; 1149 } 1150} 1151 1152void |
| 1133lcp_Input(struct lcp *lcp, struct mbuf * bp) | 1153lcp_Input(struct lcp *lcp, struct mbuf *bp) |
| 1134{ 1135 /* Got PROTO_LCP from link */ 1136 fsm_Input(&lcp->fsm, bp); 1137} | 1154{ 1155 /* Got PROTO_LCP from link */ 1156 fsm_Input(&lcp->fsm, bp); 1157} |