277 } 278 } 279 break; 280 281 case DATALINK_HANGUP: 282 case DATALINK_DIAL: 283 case DATALINK_LOGIN: 284 result = descriptor_UpdateSet(&dl->chat.desc, r, w, e, n); 285 switch (dl->chat.state) { 286 case CHAT_DONE: 287 /* script succeeded */ 288 chat_Destroy(&dl->chat); 289 switch(dl->state) { 290 case DATALINK_HANGUP: 291 datalink_HangupDone(dl); 292 break; 293 case DATALINK_DIAL: 294 datalink_NewState(dl, DATALINK_LOGIN); 295 chat_Init(&dl->chat, dl->physical, dl->cfg.script.login, 0, NULL); 296 return datalink_UpdateSet(d, r, w, e, n); 297 case DATALINK_LOGIN: 298 datalink_LoginDone(dl); 299 break; 300 } 301 break; 302 case CHAT_FAILED: 303 /* Going down - script failed */ 304 log_Printf(LogWARN, "Chat script failed\n"); 305 chat_Destroy(&dl->chat); 306 switch(dl->state) { 307 case DATALINK_HANGUP: 308 datalink_HangupDone(dl); 309 break; 310 case DATALINK_DIAL: 311 case DATALINK_LOGIN: 312 datalink_NewState(dl, DATALINK_HANGUP); 313 modem_Offline(dl->physical); /* Is this required ? */ 314 chat_Init(&dl->chat, dl->physical, dl->cfg.script.hangup, 1, NULL); 315 return datalink_UpdateSet(d, r, w, e, n); 316 } 317 break; 318 } 319 break; 320 321 case DATALINK_READY: 322 case DATALINK_LCP: 323 case DATALINK_AUTH: 324 case DATALINK_CBCP: 325 case DATALINK_OPEN: 326 result = descriptor_UpdateSet(&dl->physical->desc, r, w, e, n); 327 break; 328 } 329 return result; 330} 331 332int 333datalink_RemoveFromSet(struct datalink *dl, fd_set *r, fd_set *w, fd_set *e) 334{ 335 return physical_RemoveFromSet(dl->physical, r, w, e); 336} 337 338static int 339datalink_IsSet(struct descriptor *d, const fd_set *fdset) 340{ 341 struct datalink *dl = descriptor2datalink(d); 342 343 switch (dl->state) { 344 case DATALINK_CLOSED: 345 case DATALINK_OPENING: 346 break; 347 348 case DATALINK_HANGUP: 349 case DATALINK_DIAL: 350 case DATALINK_LOGIN: 351 return descriptor_IsSet(&dl->chat.desc, fdset); 352 353 case DATALINK_READY: 354 case DATALINK_LCP: 355 case DATALINK_AUTH: 356 case DATALINK_CBCP: 357 case DATALINK_OPEN: 358 return descriptor_IsSet(&dl->physical->desc, fdset); 359 } 360 return 0; 361} 362 363static void 364datalink_Read(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 365{ 366 struct datalink *dl = descriptor2datalink(d); 367 368 switch (dl->state) { 369 case DATALINK_CLOSED: 370 case DATALINK_OPENING: 371 break; 372 373 case DATALINK_HANGUP: 374 case DATALINK_DIAL: 375 case DATALINK_LOGIN: 376 descriptor_Read(&dl->chat.desc, bundle, fdset); 377 break; 378 379 case DATALINK_READY: 380 case DATALINK_LCP: 381 case DATALINK_AUTH: 382 case DATALINK_CBCP: 383 case DATALINK_OPEN: 384 descriptor_Read(&dl->physical->desc, bundle, fdset); 385 break; 386 } 387} 388 389static int 390datalink_Write(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 391{ 392 struct datalink *dl = descriptor2datalink(d); 393 int result = 0; 394 395 switch (dl->state) { 396 case DATALINK_CLOSED: 397 case DATALINK_OPENING: 398 break; 399 400 case DATALINK_HANGUP: 401 case DATALINK_DIAL: 402 case DATALINK_LOGIN: 403 result = descriptor_Write(&dl->chat.desc, bundle, fdset); 404 break; 405 406 case DATALINK_READY: 407 case DATALINK_LCP: 408 case DATALINK_AUTH: 409 case DATALINK_CBCP: 410 case DATALINK_OPEN: 411 result = descriptor_Write(&dl->physical->desc, bundle, fdset); 412 break; 413 } 414 415 return result; 416} 417 418static void 419datalink_ComeDown(struct datalink *dl, int how) 420{ 421 if (how != CLOSE_NORMAL) { 422 dl->dial_tries = -1; 423 dl->reconnect_tries = 0; 424 if (dl->state >= DATALINK_READY && how == CLOSE_LCP) 425 dl->stayonline = 1; 426 } 427 428 if (dl->state >= DATALINK_READY && dl->stayonline) { 429 dl->stayonline = 0; 430 timer_Stop(&dl->physical->Timer); 431 datalink_NewState(dl, DATALINK_READY); 432 } else if (dl->state != DATALINK_CLOSED && dl->state != DATALINK_HANGUP) { 433 modem_Offline(dl->physical); 434 if (dl->script.run && dl->state != DATALINK_OPENING) { 435 datalink_NewState(dl, DATALINK_HANGUP); 436 chat_Init(&dl->chat, dl->physical, dl->cfg.script.hangup, 1, NULL); 437 } else 438 datalink_HangupDone(dl); 439 } 440} 441 442static void 443datalink_LayerStart(void *v, struct fsm *fp) 444{ 445 /* The given FSM is about to start up ! */ 446 struct datalink *dl = (struct datalink *)v; 447 448 if (fp->proto == PROTO_LCP) 449 (*dl->parent->LayerStart)(dl->parent->object, fp); 450} 451 452static void 453datalink_LayerUp(void *v, struct fsm *fp) 454{ 455 /* The given fsm is now up */ 456 struct datalink *dl = (struct datalink *)v; 457 458 if (fp->proto == PROTO_LCP) { 459 datalink_GotAuthname(dl, "", 0); 460 dl->physical->link.lcp.auth_ineed = dl->physical->link.lcp.want_auth; 461 dl->physical->link.lcp.auth_iwait = dl->physical->link.lcp.his_auth; 462 if (dl->physical->link.lcp.his_auth || dl->physical->link.lcp.want_auth) { 463 if (bundle_Phase(dl->bundle) == PHASE_ESTABLISH) 464 bundle_NewPhase(dl->bundle, PHASE_AUTHENTICATE); 465 log_Printf(LogPHASE, "%s: his = %s, mine = %s\n", dl->name, 466 Auth2Nam(dl->physical->link.lcp.his_auth), 467 Auth2Nam(dl->physical->link.lcp.want_auth)); 468 if (dl->physical->link.lcp.his_auth == PROTO_PAP) 469 auth_StartChallenge(&dl->pap, dl->physical, pap_SendChallenge); 470 if (dl->physical->link.lcp.want_auth == PROTO_CHAP) 471 auth_StartChallenge(&dl->chap.auth, dl->physical, chap_SendChallenge); 472 } else 473 datalink_AuthOk(dl); 474 } 475} 476 477void 478datalink_GotAuthname(struct datalink *dl, const char *name, int len) 479{ 480 if (len >= sizeof dl->peer.authname) 481 len = sizeof dl->peer.authname - 1; 482 strncpy(dl->peer.authname, name, len); 483 dl->peer.authname[len] = '\0'; 484} 485 486void 487datalink_NCPUp(struct datalink *dl) 488{ 489 int ccpok = ccp_SetOpenMode(&dl->physical->link.ccp); 490 491 if (dl->physical->link.lcp.want_mrru && dl->physical->link.lcp.his_mrru) { 492 /* we've authenticated in multilink mode ! */ 493 switch (mp_Up(&dl->bundle->ncp.mp, dl)) { 494 case MP_LINKSENT: 495 /* We've handed the link off to another ppp (well, we will soon) ! */ 496 return; 497 case MP_UP: 498 /* First link in the bundle */ 499 auth_Select(dl->bundle, dl->peer.authname); 500 /* fall through */ 501 case MP_ADDED: 502 /* We're in multilink mode ! */ 503 dl->physical->link.ccp.fsm.open_mode = OPEN_PASSIVE; /* override */ 504 break; 505 case MP_FAILED: 506 datalink_AuthNotOk(dl); 507 return; 508 } 509 } else if (bundle_Phase(dl->bundle) == PHASE_NETWORK) { 510 log_Printf(LogPHASE, "%s: Already in NETWORK phase\n", dl->name); 511 datalink_NewState(dl, DATALINK_OPEN); 512 (*dl->parent->LayerUp)(dl->parent->object, &dl->physical->link.lcp.fsm); 513 return; 514 } else { 515 dl->bundle->ncp.mp.peer = dl->peer; 516 ipcp_SetLink(&dl->bundle->ncp.ipcp, &dl->physical->link); 517 auth_Select(dl->bundle, dl->peer.authname); 518 } 519 520 if (ccpok) { 521 fsm_Up(&dl->physical->link.ccp.fsm); 522 fsm_Open(&dl->physical->link.ccp.fsm); 523 } 524 datalink_NewState(dl, DATALINK_OPEN); 525 bundle_NewPhase(dl->bundle, PHASE_NETWORK); 526 (*dl->parent->LayerUp)(dl->parent->object, &dl->physical->link.lcp.fsm); 527} 528 529void 530datalink_CBCPComplete(struct datalink *dl) 531{ 532 datalink_NewState(dl, DATALINK_LCP); 533 fsm_Close(&dl->physical->link.lcp.fsm); 534} 535 536void 537datalink_CBCPFailed(struct datalink *dl) 538{ 539 cbcp_Down(&dl->cbcp); 540 datalink_CBCPComplete(dl); 541} 542 543void 544datalink_AuthOk(struct datalink *dl) 545{ 546 if (dl->physical->link.lcp.his_callback.opmask == 547 CALLBACK_BIT(CALLBACK_CBCP) || 548 dl->physical->link.lcp.want_callback.opmask == 549 CALLBACK_BIT(CALLBACK_CBCP)) { 550 datalink_NewState(dl, DATALINK_CBCP); 551 cbcp_Up(&dl->cbcp); 552 } else if (dl->physical->link.lcp.want_callback.opmask) { 553 log_Printf(LogPHASE, "%s: Shutdown and await peer callback\n", dl->name); 554 datalink_NewState(dl, DATALINK_LCP); 555 fsm_Close(&dl->physical->link.lcp.fsm); 556 } else 557 switch (dl->physical->link.lcp.his_callback.opmask) { 558 case 0: 559 datalink_NCPUp(dl); 560 break; 561 562 case CALLBACK_BIT(CALLBACK_AUTH): 563 auth_SetPhoneList(dl->peer.authname, dl->cbcp.fsm.phone, 564 sizeof dl->cbcp.fsm.phone); 565 if (*dl->cbcp.fsm.phone == '\0' || !strcmp(dl->cbcp.fsm.phone, "*")) { 566 log_Printf(LogPHASE, "%s: %s cannot be called back\n", dl->name, 567 dl->peer.authname); 568 *dl->cbcp.fsm.phone = '\0'; 569 } else { 570 char *ptr = strchr(dl->cbcp.fsm.phone, ','); 571 if (ptr) 572 *ptr = '\0'; /* Call back on the first number */ 573 log_Printf(LogPHASE, "%s: Calling peer back on %s\n", dl->name, 574 dl->cbcp.fsm.phone); 575 dl->cbcp.required = 1; 576 } 577 dl->cbcp.fsm.delay = 0; 578 datalink_NewState(dl, DATALINK_LCP); 579 fsm_Close(&dl->physical->link.lcp.fsm); 580 break; 581 582 case CALLBACK_BIT(CALLBACK_E164): 583 strncpy(dl->cbcp.fsm.phone, dl->physical->link.lcp.his_callback.msg, 584 sizeof dl->cbcp.fsm.phone - 1); 585 dl->cbcp.fsm.phone[sizeof dl->cbcp.fsm.phone - 1] = '\0'; 586 log_Printf(LogPHASE, "%s: Calling peer back on %s\n", dl->name, 587 dl->cbcp.fsm.phone); 588 dl->cbcp.required = 1; 589 dl->cbcp.fsm.delay = 0; 590 datalink_NewState(dl, DATALINK_LCP); 591 fsm_Close(&dl->physical->link.lcp.fsm); 592 break; 593 594 default: 595 log_Printf(LogPHASE, "%s: Oops - Should have NAK'd peer callback !\n", 596 dl->name); 597 datalink_NewState(dl, DATALINK_LCP); 598 fsm_Close(&dl->physical->link.lcp.fsm); 599 break; 600 } 601} 602 603void 604datalink_AuthNotOk(struct datalink *dl) 605{ 606 datalink_NewState(dl, DATALINK_LCP); 607 fsm_Close(&dl->physical->link.lcp.fsm); 608} 609 610static void 611datalink_LayerDown(void *v, struct fsm *fp) 612{ 613 /* The given FSM has been told to come down */ 614 struct datalink *dl = (struct datalink *)v; 615 616 if (fp->proto == PROTO_LCP) { 617 switch (dl->state) { 618 case DATALINK_OPEN: 619 peerid_Init(&dl->peer); 620 fsm2initial(&dl->physical->link.ccp.fsm); 621 datalink_NewState(dl, DATALINK_LCP); /* before parent TLD */ 622 (*dl->parent->LayerDown)(dl->parent->object, fp); 623 /* fall through (just in case) */ 624 625 case DATALINK_CBCP: 626 if (!dl->cbcp.required) 627 cbcp_Down(&dl->cbcp); 628 /* fall through (just in case) */ 629 630 case DATALINK_AUTH: 631 timer_Stop(&dl->pap.authtimer); 632 timer_Stop(&dl->chap.auth.authtimer); 633 } 634 datalink_NewState(dl, DATALINK_LCP); 635 } 636} 637 638static void 639datalink_LayerFinish(void *v, struct fsm *fp) 640{ 641 /* The given fsm is now down */ 642 struct datalink *dl = (struct datalink *)v; 643 644 if (fp->proto == PROTO_LCP) { 645 fsm2initial(fp); 646 (*dl->parent->LayerFinish)(dl->parent->object, fp); 647 datalink_ComeDown(dl, CLOSE_NORMAL); 648 } else if (fp->state == ST_CLOSED && fp->open_mode == OPEN_PASSIVE) 649 fsm_Open(fp); /* CCP goes to ST_STOPPED */ 650} 651 652struct datalink * 653datalink_Create(const char *name, struct bundle *bundle, int type) 654{ 655 struct datalink *dl; 656 657 dl = (struct datalink *)malloc(sizeof(struct datalink)); 658 if (dl == NULL) 659 return dl; 660 661 dl->desc.type = DATALINK_DESCRIPTOR; 662 dl->desc.UpdateSet = datalink_UpdateSet; 663 dl->desc.IsSet = datalink_IsSet; 664 dl->desc.Read = datalink_Read; 665 dl->desc.Write = datalink_Write; 666 667 dl->state = DATALINK_CLOSED; 668 669 *dl->cfg.script.dial = '\0'; 670 *dl->cfg.script.login = '\0'; 671 *dl->cfg.script.hangup = '\0'; 672 *dl->cfg.phone.list = '\0'; 673 *dl->phone.list = '\0'; 674 dl->phone.next = NULL; 675 dl->phone.alt = NULL; 676 dl->phone.chosen = "N/A"; 677 dl->stayonline = 0; 678 dl->script.run = 1; 679 dl->script.packetmode = 1; 680 mp_linkInit(&dl->mp); 681 682 dl->bundle = bundle; 683 dl->next = NULL; 684 685 memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 686 687 dl->dial_tries = 0; 688 dl->cfg.dial.max = 1; 689 dl->cfg.dial.next_timeout = DIAL_NEXT_TIMEOUT; 690 dl->cfg.dial.timeout = DIAL_TIMEOUT; 691 692 dl->reconnect_tries = 0; 693 dl->cfg.reconnect.max = 0; 694 dl->cfg.reconnect.timeout = RECONNECT_TIMEOUT; 695 696 dl->cfg.callback.opmask = 0; 697 dl->cfg.cbcp.delay = 0; 698 *dl->cfg.cbcp.phone = '\0'; 699 dl->cfg.cbcp.fsmretry = DEF_FSMRETRY; 700 701 dl->name = strdup(name); 702 peerid_Init(&dl->peer); 703 dl->parent = &bundle->fsm; 704 dl->fsmp.LayerStart = datalink_LayerStart; 705 dl->fsmp.LayerUp = datalink_LayerUp; 706 dl->fsmp.LayerDown = datalink_LayerDown; 707 dl->fsmp.LayerFinish = datalink_LayerFinish; 708 dl->fsmp.object = dl; 709 710 auth_Init(&dl->pap); 711 auth_Init(&dl->chap.auth); 712 713 if ((dl->physical = modem_Create(dl, type)) == NULL) { 714 free(dl->name); 715 free(dl); 716 return NULL; 717 } 718 cbcp_Init(&dl->cbcp, dl->physical); 719 chat_Init(&dl->chat, dl->physical, NULL, 1, NULL); 720 721 log_Printf(LogPHASE, "%s: Created in %s state\n", 722 dl->name, datalink_State(dl)); 723 724 return dl; 725} 726 727struct datalink * 728datalink_Clone(struct datalink *odl, const char *name) 729{ 730 struct datalink *dl; 731 732 dl = (struct datalink *)malloc(sizeof(struct datalink)); 733 if (dl == NULL) 734 return dl; 735 736 dl->desc.type = DATALINK_DESCRIPTOR; 737 dl->desc.UpdateSet = datalink_UpdateSet; 738 dl->desc.IsSet = datalink_IsSet; 739 dl->desc.Read = datalink_Read; 740 dl->desc.Write = datalink_Write; 741 742 dl->state = DATALINK_CLOSED; 743 744 memcpy(&dl->cfg, &odl->cfg, sizeof dl->cfg); 745 mp_linkInit(&dl->mp); 746 *dl->phone.list = '\0'; 747 dl->phone.next = NULL; 748 dl->phone.alt = NULL; 749 dl->phone.chosen = "N/A"; 750 dl->bundle = odl->bundle; 751 dl->next = NULL; 752 memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 753 dl->dial_tries = 0; 754 dl->reconnect_tries = 0; 755 dl->name = strdup(name); 756 peerid_Init(&dl->peer); 757 dl->parent = odl->parent; 758 memcpy(&dl->fsmp, &odl->fsmp, sizeof dl->fsmp); 759 dl->fsmp.object = dl; 760 auth_Init(&dl->pap); 761 dl->pap.cfg.fsmretry = odl->pap.cfg.fsmretry; 762 763 auth_Init(&dl->chap.auth); 764 dl->chap.auth.cfg.fsmretry = odl->chap.auth.cfg.fsmretry; 765 766 if ((dl->physical = modem_Create(dl, PHYS_INTERACTIVE)) == NULL) { 767 free(dl->name); 768 free(dl); 769 return NULL; 770 } 771 memcpy(&dl->physical->cfg, &odl->physical->cfg, sizeof dl->physical->cfg); 772 memcpy(&dl->physical->link.lcp.cfg, &odl->physical->link.lcp.cfg, 773 sizeof dl->physical->link.lcp.cfg); 774 memcpy(&dl->physical->link.ccp.cfg, &odl->physical->link.ccp.cfg, 775 sizeof dl->physical->link.ccp.cfg); 776 memcpy(&dl->physical->async.cfg, &odl->physical->async.cfg, 777 sizeof dl->physical->async.cfg); 778 779 cbcp_Init(&dl->cbcp, dl->physical); 780 chat_Init(&dl->chat, dl->physical, NULL, 1, NULL); 781 782 log_Printf(LogPHASE, "%s: Cloned in %s state\n", 783 dl->name, datalink_State(dl)); 784 785 return dl; 786} 787 788struct datalink * 789datalink_Destroy(struct datalink *dl) 790{ 791 struct datalink *result; 792 793 if (dl->state != DATALINK_CLOSED) { 794 log_Printf(LogERROR, "Oops, destroying a datalink in state %s\n", 795 datalink_State(dl)); 796 switch (dl->state) { 797 case DATALINK_HANGUP: 798 case DATALINK_DIAL: 799 case DATALINK_LOGIN: 800 chat_Destroy(&dl->chat); /* Gotta blat the timers ! */ 801 break; 802 } 803 } 804 805 result = dl->next; 806 modem_Destroy(dl->physical); 807 free(dl->name); 808 free(dl); 809 810 return result; 811} 812 813void 814datalink_Up(struct datalink *dl, int runscripts, int packetmode) 815{ 816 if (dl->physical->type & (PHYS_DIRECT|PHYS_DEDICATED)) 817 /* Ignore scripts */ 818 runscripts = 0; 819 820 switch (dl->state) { 821 case DATALINK_CLOSED: 822 if (bundle_Phase(dl->bundle) == PHASE_DEAD || 823 bundle_Phase(dl->bundle) == PHASE_TERMINATE) 824 bundle_NewPhase(dl->bundle, PHASE_ESTABLISH); 825 datalink_NewState(dl, DATALINK_OPENING); 826 dl->reconnect_tries = 827 dl->physical->type == PHYS_DIRECT ? 0 : dl->cfg.reconnect.max; 828 dl->dial_tries = dl->cfg.dial.max; 829 dl->script.run = runscripts; 830 dl->script.packetmode = packetmode; 831 break; 832 833 case DATALINK_OPENING: 834 if (!dl->script.run && runscripts) 835 dl->script.run = 1; 836 /* fall through */ 837 838 case DATALINK_DIAL: 839 case DATALINK_LOGIN: 840 case DATALINK_READY: 841 if (!dl->script.packetmode && packetmode) { 842 dl->script.packetmode = 1; 843 if (dl->state == DATALINK_READY) 844 datalink_LoginDone(dl); 845 } 846 break; 847 } 848} 849 850void 851datalink_Close(struct datalink *dl, int how) 852{ 853 /* Please close */ 854 switch (dl->state) { 855 case DATALINK_OPEN: 856 peerid_Init(&dl->peer); 857 fsm2initial(&dl->physical->link.ccp.fsm); 858 /* fall through */ 859 860 case DATALINK_CBCP: 861 case DATALINK_AUTH: 862 case DATALINK_LCP: 863 fsm_Close(&dl->physical->link.lcp.fsm); 864 if (how != CLOSE_NORMAL) { 865 dl->dial_tries = -1; 866 dl->reconnect_tries = 0; 867 if (how == CLOSE_LCP) 868 dl->stayonline = 1; 869 } 870 break; 871 872 default: 873 datalink_ComeDown(dl, how); 874 } 875} 876 877void 878datalink_Down(struct datalink *dl, int how) 879{ 880 /* Carrier is lost */ 881 switch (dl->state) { 882 case DATALINK_OPEN: 883 peerid_Init(&dl->peer); 884 fsm2initial(&dl->physical->link.ccp.fsm); 885 /* fall through */ 886 887 case DATALINK_CBCP: 888 case DATALINK_AUTH: 889 case DATALINK_LCP: 890 fsm2initial(&dl->physical->link.lcp.fsm); 891 /* fall through */ 892 893 default: 894 datalink_ComeDown(dl, how); 895 } 896} 897 898void 899datalink_StayDown(struct datalink *dl) 900{ 901 dl->reconnect_tries = 0; 902} 903 904void 905datalink_DontHangup(struct datalink *dl) 906{ 907 if (dl->state >= DATALINK_LCP) 908 dl->stayonline = 1; 909} 910 911int 912datalink_Show(struct cmdargs const *arg) 913{ 914 prompt_Printf(arg->prompt, "Name: %s\n", arg->cx->name); 915 prompt_Printf(arg->prompt, " State: %s\n", 916 datalink_State(arg->cx)); 917 prompt_Printf(arg->prompt, " CHAP Encryption: %s\n", 918 arg->cx->chap.using_MSChap ? "MSChap" : "MD5" ); 919 prompt_Printf(arg->prompt, " Peer name: "); 920 if (*arg->cx->peer.authname) 921 prompt_Printf(arg->prompt, "%s\n", arg->cx->peer.authname); 922 else if (arg->cx->state == DATALINK_OPEN) 923 prompt_Printf(arg->prompt, "None requested\n"); 924 else 925 prompt_Printf(arg->prompt, "N/A\n"); 926 prompt_Printf(arg->prompt, " Discriminator: %s\n", 927 mp_Enddisc(arg->cx->peer.enddisc.class, 928 arg->cx->peer.enddisc.address, 929 arg->cx->peer.enddisc.len)); 930 931 prompt_Printf(arg->prompt, "\nDefaults:\n"); 932 prompt_Printf(arg->prompt, " Phone List: %s\n", 933 arg->cx->cfg.phone.list); 934 if (arg->cx->cfg.dial.max) 935 prompt_Printf(arg->prompt, " Dial tries: %d, delay ", 936 arg->cx->cfg.dial.max); 937 else 938 prompt_Printf(arg->prompt, " Dial tries: infinite, delay "); 939 if (arg->cx->cfg.dial.next_timeout > 0) 940 prompt_Printf(arg->prompt, "%ds/", arg->cx->cfg.dial.next_timeout); 941 else 942 prompt_Printf(arg->prompt, "random/"); 943 if (arg->cx->cfg.dial.timeout > 0) 944 prompt_Printf(arg->prompt, "%ds\n", arg->cx->cfg.dial.timeout); 945 else 946 prompt_Printf(arg->prompt, "random\n"); 947 prompt_Printf(arg->prompt, " Reconnect tries: %d, delay ", 948 arg->cx->cfg.reconnect.max); 949 if (arg->cx->cfg.reconnect.timeout > 0) 950 prompt_Printf(arg->prompt, "%ds\n", arg->cx->cfg.reconnect.timeout); 951 else 952 prompt_Printf(arg->prompt, "random\n"); 953 prompt_Printf(arg->prompt, " Callback %s ", arg->cx->physical->type == 954 PHYS_DIRECT ? "accepted: " : "requested:"); 955 if (!arg->cx->cfg.callback.opmask) 956 prompt_Printf(arg->prompt, "none\n"); 957 else { 958 int comma = 0; 959 960 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_NONE)) { 961 prompt_Printf(arg->prompt, "none"); 962 comma = 1; 963 } 964 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_AUTH)) { 965 prompt_Printf(arg->prompt, "%sauth", comma ? ", " : ""); 966 comma = 1; 967 } 968 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_E164)) { 969 prompt_Printf(arg->prompt, "%sE.164", comma ? ", " : ""); 970 if (arg->cx->physical->type != PHYS_DIRECT) 971 prompt_Printf(arg->prompt, " (%s)", arg->cx->cfg.callback.msg); 972 comma = 1; 973 } 974 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_CBCP)) { 975 prompt_Printf(arg->prompt, "%scbcp\n", comma ? ", " : ""); 976 prompt_Printf(arg->prompt, " CBCP: delay: %ds\n", 977 arg->cx->cfg.cbcp.delay); 978 prompt_Printf(arg->prompt, " phone: %s\n", 979 arg->cx->cfg.cbcp.phone); 980 prompt_Printf(arg->prompt, " timeout: %lds\n", 981 arg->cx->cfg.cbcp.fsmretry); 982 } else 983 prompt_Printf(arg->prompt, "\n"); 984 } 985 986 prompt_Printf(arg->prompt, " Dial Script: %s\n", 987 arg->cx->cfg.script.dial); 988 prompt_Printf(arg->prompt, " Login Script: %s\n", 989 arg->cx->cfg.script.login); 990 prompt_Printf(arg->prompt, " Hangup Script: %s\n", 991 arg->cx->cfg.script.hangup); 992 return 0; 993} 994 995int 996datalink_SetReconnect(struct cmdargs const *arg) 997{ 998 if (arg->argc == arg->argn+2) { 999 arg->cx->cfg.reconnect.timeout = atoi(arg->argv[arg->argn]); 1000 arg->cx->cfg.reconnect.max = atoi(arg->argv[arg->argn+1]); 1001 return 0; 1002 } 1003 return -1; 1004} 1005 1006int 1007datalink_SetRedial(struct cmdargs const *arg) 1008{ 1009 int timeout; 1010 int tries; 1011 char *dot; 1012 1013 if (arg->argc == arg->argn+1 || arg->argc == arg->argn+2) { 1014 if (strncasecmp(arg->argv[arg->argn], "random", 6) == 0 && 1015 (arg->argv[arg->argn][6] == '\0' || arg->argv[arg->argn][6] == '.')) { 1016 arg->cx->cfg.dial.timeout = -1; 1017 randinit(); 1018 } else { 1019 timeout = atoi(arg->argv[arg->argn]); 1020 1021 if (timeout >= 0) 1022 arg->cx->cfg.dial.timeout = timeout; 1023 else { 1024 log_Printf(LogWARN, "Invalid redial timeout\n"); 1025 return -1; 1026 } 1027 } 1028 1029 dot = strchr(arg->argv[arg->argn], '.'); 1030 if (dot) { 1031 if (strcasecmp(++dot, "random") == 0) { 1032 arg->cx->cfg.dial.next_timeout = -1; 1033 randinit(); 1034 } else { 1035 timeout = atoi(dot); 1036 if (timeout >= 0) 1037 arg->cx->cfg.dial.next_timeout = timeout; 1038 else { 1039 log_Printf(LogWARN, "Invalid next redial timeout\n"); 1040 return -1; 1041 } 1042 } 1043 } else 1044 /* Default next timeout */ 1045 arg->cx->cfg.dial.next_timeout = DIAL_NEXT_TIMEOUT; 1046 1047 if (arg->argc == arg->argn+2) { 1048 tries = atoi(arg->argv[arg->argn+1]); 1049 1050 if (tries >= 0) { 1051 arg->cx->cfg.dial.max = tries; 1052 } else { 1053 log_Printf(LogWARN, "Invalid retry value\n"); 1054 return 1; 1055 } 1056 } 1057 return 0; 1058 } 1059 return -1; 1060} 1061 1062static const char *states[] = { 1063 "closed", 1064 "opening", 1065 "hangup", 1066 "dial", 1067 "login", 1068 "ready", 1069 "lcp", 1070 "auth", 1071 "cbcp", 1072 "open" 1073}; 1074 1075const char * 1076datalink_State(struct datalink *dl) 1077{ 1078 if (dl->state < 0 || dl->state >= sizeof states / sizeof states[0]) 1079 return "unknown"; 1080 return states[dl->state]; 1081} 1082 1083static void 1084datalink_NewState(struct datalink *dl, int state) 1085{ 1086 if (state != dl->state) { 1087 if (state >= 0 && state < sizeof states / sizeof states[0]) { 1088 log_Printf(LogPHASE, "%s: %s -> %s\n", dl->name, datalink_State(dl), 1089 states[state]); 1090 dl->state = state; 1091 } else 1092 log_Printf(LogERROR, "%s: Can't enter state %d !\n", dl->name, state); 1093 } 1094} 1095 1096struct datalink * 1097iov2datalink(struct bundle *bundle, struct iovec *iov, int *niov, int maxiov, 1098 int fd) 1099{ 1100 struct datalink *dl, *cdl; 1101 u_int retry; 1102 char *oname; 1103 1104 dl = (struct datalink *)iov[(*niov)++].iov_base; 1105 dl->name = iov[*niov].iov_base; 1106 1107 if (dl->name[DATALINK_MAXNAME-1]) { 1108 dl->name[DATALINK_MAXNAME-1] = '\0'; 1109 if (strlen(dl->name) == DATALINK_MAXNAME - 1) 1110 log_Printf(LogWARN, "Datalink name truncated to \"%s\"\n", dl->name); 1111 } 1112 1113 /* Make sure the name is unique ! */ 1114 oname = NULL; 1115 do { 1116 for (cdl = bundle->links; cdl; cdl = cdl->next) 1117 if (!strcasecmp(dl->name, cdl->name)) { 1118 if (oname) 1119 free(datalink_NextName(dl)); 1120 else 1121 oname = datalink_NextName(dl); 1122 break; /* Keep renaming 'till we have no conflicts */ 1123 } 1124 } while (cdl); 1125 1126 if (oname) { 1127 log_Printf(LogPHASE, "Rename link %s to %s\n", oname, dl->name); 1128 free(oname); 1129 } else { 1130 dl->name = strdup(dl->name); 1131 free(iov[*niov].iov_base); 1132 } 1133 (*niov)++; 1134 1135 dl->desc.type = DATALINK_DESCRIPTOR; 1136 dl->desc.UpdateSet = datalink_UpdateSet; 1137 dl->desc.IsSet = datalink_IsSet; 1138 dl->desc.Read = datalink_Read; 1139 dl->desc.Write = datalink_Write; 1140 1141 mp_linkInit(&dl->mp); 1142 *dl->phone.list = '\0'; 1143 dl->phone.next = NULL; 1144 dl->phone.alt = NULL; 1145 dl->phone.chosen = "N/A"; 1146 1147 dl->bundle = bundle; 1148 dl->next = NULL; 1149 memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 1150 dl->dial_tries = 0; 1151 dl->reconnect_tries = 0; 1152 dl->parent = &bundle->fsm; 1153 dl->fsmp.LayerStart = datalink_LayerStart; 1154 dl->fsmp.LayerUp = datalink_LayerUp; 1155 dl->fsmp.LayerDown = datalink_LayerDown; 1156 dl->fsmp.LayerFinish = datalink_LayerFinish; 1157 dl->fsmp.object = dl; 1158 1159 retry = dl->pap.cfg.fsmretry; 1160 auth_Init(&dl->pap); 1161 dl->pap.cfg.fsmretry = retry; 1162 1163 retry = dl->chap.auth.cfg.fsmretry; 1164 auth_Init(&dl->chap.auth); 1165 dl->chap.auth.cfg.fsmretry = retry; 1166 1167 dl->physical = iov2modem(dl, iov, niov, maxiov, fd); 1168 1169 if (!dl->physical) { 1170 free(dl->name); 1171 free(dl); 1172 dl = NULL; 1173 } else { 1174 cbcp_Init(&dl->cbcp, dl->physical); 1175 chat_Init(&dl->chat, dl->physical, NULL, 1, NULL); 1176 1177 log_Printf(LogPHASE, "%s: Transferred in %s state\n", 1178 dl->name, datalink_State(dl)); 1179 } 1180 1181 return dl; 1182} 1183 1184int 1185datalink2iov(struct datalink *dl, struct iovec *iov, int *niov, int maxiov, 1186 pid_t newpid) 1187{ 1188 /* If `dl' is NULL, we're allocating before a Fromiov() */ 1189 int link_fd; 1190 1191 if (dl) { 1192 timer_Stop(&dl->dial_timer); 1193 /* The following is purely for the sake of paranoia */ 1194 cbcp_Down(&dl->cbcp); 1195 timer_Stop(&dl->pap.authtimer); 1196 timer_Stop(&dl->chap.auth.authtimer); 1197 } 1198 1199 if (*niov >= maxiov - 1) { 1200 log_Printf(LogERROR, "Toiov: No room for datalink !\n"); 1201 if (dl) { 1202 free(dl->name); 1203 free(dl); 1204 } 1205 return -1; 1206 } 1207 1208 iov[*niov].iov_base = dl ? dl : malloc(sizeof *dl); 1209 iov[(*niov)++].iov_len = sizeof *dl; 1210 iov[*niov].iov_base = 1211 dl ? realloc(dl->name, DATALINK_MAXNAME) : malloc(DATALINK_MAXNAME); 1212 iov[(*niov)++].iov_len = DATALINK_MAXNAME; 1213 1214 link_fd = modem2iov(dl ? dl->physical : NULL, iov, niov, maxiov, newpid); 1215 1216 if (link_fd == -1 && dl) { 1217 free(dl->name); 1218 free(dl); 1219 } 1220 1221 return link_fd; 1222} 1223 1224void 1225datalink_Rename(struct datalink *dl, const char *name) 1226{ 1227 free(dl->name); 1228 dl->physical->link.name = dl->name = strdup(name); 1229} 1230 1231char * 1232datalink_NextName(struct datalink *dl) 1233{ 1234 int f, n; 1235 char *name, *oname; 1236 1237 n = strlen(dl->name); 1238 name = (char *)malloc(n+3); 1239 for (f = n - 1; f >= 0; f--) 1240 if (!isdigit(dl->name[f])) 1241 break; 1242 n = sprintf(name, "%.*s-", dl->name[f] == '-' ? f : f + 1, dl->name); 1243 sprintf(name + n, "%d", atoi(dl->name + f + 1) + 1); 1244 oname = dl->name; 1245 dl->name = name; 1246 /* our physical link name isn't updated (it probably isn't created yet) */ 1247 return oname; 1248} 1249 1250int 1251datalink_SetMode(struct datalink *dl, int mode) 1252{ 1253 if (!physical_SetMode(dl->physical, mode)) 1254 return 0; 1255 if (dl->physical->type & (PHYS_DIRECT|PHYS_DEDICATED)) 1256 dl->script.run = 0; 1257 if (dl->physical->type == PHYS_DIRECT) 1258 dl->reconnect_tries = 0; 1259 if (mode & (PHYS_DDIAL|PHYS_BACKGROUND) && dl->state <= DATALINK_READY) 1260 datalink_Up(dl, 1, 1); 1261 return 1; 1262}
| 285 } 286 } 287 break; 288 289 case DATALINK_HANGUP: 290 case DATALINK_DIAL: 291 case DATALINK_LOGIN: 292 result = descriptor_UpdateSet(&dl->chat.desc, r, w, e, n); 293 switch (dl->chat.state) { 294 case CHAT_DONE: 295 /* script succeeded */ 296 chat_Destroy(&dl->chat); 297 switch(dl->state) { 298 case DATALINK_HANGUP: 299 datalink_HangupDone(dl); 300 break; 301 case DATALINK_DIAL: 302 datalink_NewState(dl, DATALINK_LOGIN); 303 chat_Init(&dl->chat, dl->physical, dl->cfg.script.login, 0, NULL); 304 return datalink_UpdateSet(d, r, w, e, n); 305 case DATALINK_LOGIN: 306 datalink_LoginDone(dl); 307 break; 308 } 309 break; 310 case CHAT_FAILED: 311 /* Going down - script failed */ 312 log_Printf(LogWARN, "Chat script failed\n"); 313 chat_Destroy(&dl->chat); 314 switch(dl->state) { 315 case DATALINK_HANGUP: 316 datalink_HangupDone(dl); 317 break; 318 case DATALINK_DIAL: 319 case DATALINK_LOGIN: 320 datalink_NewState(dl, DATALINK_HANGUP); 321 modem_Offline(dl->physical); /* Is this required ? */ 322 chat_Init(&dl->chat, dl->physical, dl->cfg.script.hangup, 1, NULL); 323 return datalink_UpdateSet(d, r, w, e, n); 324 } 325 break; 326 } 327 break; 328 329 case DATALINK_READY: 330 case DATALINK_LCP: 331 case DATALINK_AUTH: 332 case DATALINK_CBCP: 333 case DATALINK_OPEN: 334 result = descriptor_UpdateSet(&dl->physical->desc, r, w, e, n); 335 break; 336 } 337 return result; 338} 339 340int 341datalink_RemoveFromSet(struct datalink *dl, fd_set *r, fd_set *w, fd_set *e) 342{ 343 return physical_RemoveFromSet(dl->physical, r, w, e); 344} 345 346static int 347datalink_IsSet(struct descriptor *d, const fd_set *fdset) 348{ 349 struct datalink *dl = descriptor2datalink(d); 350 351 switch (dl->state) { 352 case DATALINK_CLOSED: 353 case DATALINK_OPENING: 354 break; 355 356 case DATALINK_HANGUP: 357 case DATALINK_DIAL: 358 case DATALINK_LOGIN: 359 return descriptor_IsSet(&dl->chat.desc, fdset); 360 361 case DATALINK_READY: 362 case DATALINK_LCP: 363 case DATALINK_AUTH: 364 case DATALINK_CBCP: 365 case DATALINK_OPEN: 366 return descriptor_IsSet(&dl->physical->desc, fdset); 367 } 368 return 0; 369} 370 371static void 372datalink_Read(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 373{ 374 struct datalink *dl = descriptor2datalink(d); 375 376 switch (dl->state) { 377 case DATALINK_CLOSED: 378 case DATALINK_OPENING: 379 break; 380 381 case DATALINK_HANGUP: 382 case DATALINK_DIAL: 383 case DATALINK_LOGIN: 384 descriptor_Read(&dl->chat.desc, bundle, fdset); 385 break; 386 387 case DATALINK_READY: 388 case DATALINK_LCP: 389 case DATALINK_AUTH: 390 case DATALINK_CBCP: 391 case DATALINK_OPEN: 392 descriptor_Read(&dl->physical->desc, bundle, fdset); 393 break; 394 } 395} 396 397static int 398datalink_Write(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 399{ 400 struct datalink *dl = descriptor2datalink(d); 401 int result = 0; 402 403 switch (dl->state) { 404 case DATALINK_CLOSED: 405 case DATALINK_OPENING: 406 break; 407 408 case DATALINK_HANGUP: 409 case DATALINK_DIAL: 410 case DATALINK_LOGIN: 411 result = descriptor_Write(&dl->chat.desc, bundle, fdset); 412 break; 413 414 case DATALINK_READY: 415 case DATALINK_LCP: 416 case DATALINK_AUTH: 417 case DATALINK_CBCP: 418 case DATALINK_OPEN: 419 result = descriptor_Write(&dl->physical->desc, bundle, fdset); 420 break; 421 } 422 423 return result; 424} 425 426static void 427datalink_ComeDown(struct datalink *dl, int how) 428{ 429 if (how != CLOSE_NORMAL) { 430 dl->dial_tries = -1; 431 dl->reconnect_tries = 0; 432 if (dl->state >= DATALINK_READY && how == CLOSE_LCP) 433 dl->stayonline = 1; 434 } 435 436 if (dl->state >= DATALINK_READY && dl->stayonline) { 437 dl->stayonline = 0; 438 timer_Stop(&dl->physical->Timer); 439 datalink_NewState(dl, DATALINK_READY); 440 } else if (dl->state != DATALINK_CLOSED && dl->state != DATALINK_HANGUP) { 441 modem_Offline(dl->physical); 442 if (dl->script.run && dl->state != DATALINK_OPENING) { 443 datalink_NewState(dl, DATALINK_HANGUP); 444 chat_Init(&dl->chat, dl->physical, dl->cfg.script.hangup, 1, NULL); 445 } else 446 datalink_HangupDone(dl); 447 } 448} 449 450static void 451datalink_LayerStart(void *v, struct fsm *fp) 452{ 453 /* The given FSM is about to start up ! */ 454 struct datalink *dl = (struct datalink *)v; 455 456 if (fp->proto == PROTO_LCP) 457 (*dl->parent->LayerStart)(dl->parent->object, fp); 458} 459 460static void 461datalink_LayerUp(void *v, struct fsm *fp) 462{ 463 /* The given fsm is now up */ 464 struct datalink *dl = (struct datalink *)v; 465 466 if (fp->proto == PROTO_LCP) { 467 datalink_GotAuthname(dl, "", 0); 468 dl->physical->link.lcp.auth_ineed = dl->physical->link.lcp.want_auth; 469 dl->physical->link.lcp.auth_iwait = dl->physical->link.lcp.his_auth; 470 if (dl->physical->link.lcp.his_auth || dl->physical->link.lcp.want_auth) { 471 if (bundle_Phase(dl->bundle) == PHASE_ESTABLISH) 472 bundle_NewPhase(dl->bundle, PHASE_AUTHENTICATE); 473 log_Printf(LogPHASE, "%s: his = %s, mine = %s\n", dl->name, 474 Auth2Nam(dl->physical->link.lcp.his_auth), 475 Auth2Nam(dl->physical->link.lcp.want_auth)); 476 if (dl->physical->link.lcp.his_auth == PROTO_PAP) 477 auth_StartChallenge(&dl->pap, dl->physical, pap_SendChallenge); 478 if (dl->physical->link.lcp.want_auth == PROTO_CHAP) 479 auth_StartChallenge(&dl->chap.auth, dl->physical, chap_SendChallenge); 480 } else 481 datalink_AuthOk(dl); 482 } 483} 484 485void 486datalink_GotAuthname(struct datalink *dl, const char *name, int len) 487{ 488 if (len >= sizeof dl->peer.authname) 489 len = sizeof dl->peer.authname - 1; 490 strncpy(dl->peer.authname, name, len); 491 dl->peer.authname[len] = '\0'; 492} 493 494void 495datalink_NCPUp(struct datalink *dl) 496{ 497 int ccpok = ccp_SetOpenMode(&dl->physical->link.ccp); 498 499 if (dl->physical->link.lcp.want_mrru && dl->physical->link.lcp.his_mrru) { 500 /* we've authenticated in multilink mode ! */ 501 switch (mp_Up(&dl->bundle->ncp.mp, dl)) { 502 case MP_LINKSENT: 503 /* We've handed the link off to another ppp (well, we will soon) ! */ 504 return; 505 case MP_UP: 506 /* First link in the bundle */ 507 auth_Select(dl->bundle, dl->peer.authname); 508 /* fall through */ 509 case MP_ADDED: 510 /* We're in multilink mode ! */ 511 dl->physical->link.ccp.fsm.open_mode = OPEN_PASSIVE; /* override */ 512 break; 513 case MP_FAILED: 514 datalink_AuthNotOk(dl); 515 return; 516 } 517 } else if (bundle_Phase(dl->bundle) == PHASE_NETWORK) { 518 log_Printf(LogPHASE, "%s: Already in NETWORK phase\n", dl->name); 519 datalink_NewState(dl, DATALINK_OPEN); 520 (*dl->parent->LayerUp)(dl->parent->object, &dl->physical->link.lcp.fsm); 521 return; 522 } else { 523 dl->bundle->ncp.mp.peer = dl->peer; 524 ipcp_SetLink(&dl->bundle->ncp.ipcp, &dl->physical->link); 525 auth_Select(dl->bundle, dl->peer.authname); 526 } 527 528 if (ccpok) { 529 fsm_Up(&dl->physical->link.ccp.fsm); 530 fsm_Open(&dl->physical->link.ccp.fsm); 531 } 532 datalink_NewState(dl, DATALINK_OPEN); 533 bundle_NewPhase(dl->bundle, PHASE_NETWORK); 534 (*dl->parent->LayerUp)(dl->parent->object, &dl->physical->link.lcp.fsm); 535} 536 537void 538datalink_CBCPComplete(struct datalink *dl) 539{ 540 datalink_NewState(dl, DATALINK_LCP); 541 fsm_Close(&dl->physical->link.lcp.fsm); 542} 543 544void 545datalink_CBCPFailed(struct datalink *dl) 546{ 547 cbcp_Down(&dl->cbcp); 548 datalink_CBCPComplete(dl); 549} 550 551void 552datalink_AuthOk(struct datalink *dl) 553{ 554 if (dl->physical->link.lcp.his_callback.opmask == 555 CALLBACK_BIT(CALLBACK_CBCP) || 556 dl->physical->link.lcp.want_callback.opmask == 557 CALLBACK_BIT(CALLBACK_CBCP)) { 558 datalink_NewState(dl, DATALINK_CBCP); 559 cbcp_Up(&dl->cbcp); 560 } else if (dl->physical->link.lcp.want_callback.opmask) { 561 log_Printf(LogPHASE, "%s: Shutdown and await peer callback\n", dl->name); 562 datalink_NewState(dl, DATALINK_LCP); 563 fsm_Close(&dl->physical->link.lcp.fsm); 564 } else 565 switch (dl->physical->link.lcp.his_callback.opmask) { 566 case 0: 567 datalink_NCPUp(dl); 568 break; 569 570 case CALLBACK_BIT(CALLBACK_AUTH): 571 auth_SetPhoneList(dl->peer.authname, dl->cbcp.fsm.phone, 572 sizeof dl->cbcp.fsm.phone); 573 if (*dl->cbcp.fsm.phone == '\0' || !strcmp(dl->cbcp.fsm.phone, "*")) { 574 log_Printf(LogPHASE, "%s: %s cannot be called back\n", dl->name, 575 dl->peer.authname); 576 *dl->cbcp.fsm.phone = '\0'; 577 } else { 578 char *ptr = strchr(dl->cbcp.fsm.phone, ','); 579 if (ptr) 580 *ptr = '\0'; /* Call back on the first number */ 581 log_Printf(LogPHASE, "%s: Calling peer back on %s\n", dl->name, 582 dl->cbcp.fsm.phone); 583 dl->cbcp.required = 1; 584 } 585 dl->cbcp.fsm.delay = 0; 586 datalink_NewState(dl, DATALINK_LCP); 587 fsm_Close(&dl->physical->link.lcp.fsm); 588 break; 589 590 case CALLBACK_BIT(CALLBACK_E164): 591 strncpy(dl->cbcp.fsm.phone, dl->physical->link.lcp.his_callback.msg, 592 sizeof dl->cbcp.fsm.phone - 1); 593 dl->cbcp.fsm.phone[sizeof dl->cbcp.fsm.phone - 1] = '\0'; 594 log_Printf(LogPHASE, "%s: Calling peer back on %s\n", dl->name, 595 dl->cbcp.fsm.phone); 596 dl->cbcp.required = 1; 597 dl->cbcp.fsm.delay = 0; 598 datalink_NewState(dl, DATALINK_LCP); 599 fsm_Close(&dl->physical->link.lcp.fsm); 600 break; 601 602 default: 603 log_Printf(LogPHASE, "%s: Oops - Should have NAK'd peer callback !\n", 604 dl->name); 605 datalink_NewState(dl, DATALINK_LCP); 606 fsm_Close(&dl->physical->link.lcp.fsm); 607 break; 608 } 609} 610 611void 612datalink_AuthNotOk(struct datalink *dl) 613{ 614 datalink_NewState(dl, DATALINK_LCP); 615 fsm_Close(&dl->physical->link.lcp.fsm); 616} 617 618static void 619datalink_LayerDown(void *v, struct fsm *fp) 620{ 621 /* The given FSM has been told to come down */ 622 struct datalink *dl = (struct datalink *)v; 623 624 if (fp->proto == PROTO_LCP) { 625 switch (dl->state) { 626 case DATALINK_OPEN: 627 peerid_Init(&dl->peer); 628 fsm2initial(&dl->physical->link.ccp.fsm); 629 datalink_NewState(dl, DATALINK_LCP); /* before parent TLD */ 630 (*dl->parent->LayerDown)(dl->parent->object, fp); 631 /* fall through (just in case) */ 632 633 case DATALINK_CBCP: 634 if (!dl->cbcp.required) 635 cbcp_Down(&dl->cbcp); 636 /* fall through (just in case) */ 637 638 case DATALINK_AUTH: 639 timer_Stop(&dl->pap.authtimer); 640 timer_Stop(&dl->chap.auth.authtimer); 641 } 642 datalink_NewState(dl, DATALINK_LCP); 643 } 644} 645 646static void 647datalink_LayerFinish(void *v, struct fsm *fp) 648{ 649 /* The given fsm is now down */ 650 struct datalink *dl = (struct datalink *)v; 651 652 if (fp->proto == PROTO_LCP) { 653 fsm2initial(fp); 654 (*dl->parent->LayerFinish)(dl->parent->object, fp); 655 datalink_ComeDown(dl, CLOSE_NORMAL); 656 } else if (fp->state == ST_CLOSED && fp->open_mode == OPEN_PASSIVE) 657 fsm_Open(fp); /* CCP goes to ST_STOPPED */ 658} 659 660struct datalink * 661datalink_Create(const char *name, struct bundle *bundle, int type) 662{ 663 struct datalink *dl; 664 665 dl = (struct datalink *)malloc(sizeof(struct datalink)); 666 if (dl == NULL) 667 return dl; 668 669 dl->desc.type = DATALINK_DESCRIPTOR; 670 dl->desc.UpdateSet = datalink_UpdateSet; 671 dl->desc.IsSet = datalink_IsSet; 672 dl->desc.Read = datalink_Read; 673 dl->desc.Write = datalink_Write; 674 675 dl->state = DATALINK_CLOSED; 676 677 *dl->cfg.script.dial = '\0'; 678 *dl->cfg.script.login = '\0'; 679 *dl->cfg.script.hangup = '\0'; 680 *dl->cfg.phone.list = '\0'; 681 *dl->phone.list = '\0'; 682 dl->phone.next = NULL; 683 dl->phone.alt = NULL; 684 dl->phone.chosen = "N/A"; 685 dl->stayonline = 0; 686 dl->script.run = 1; 687 dl->script.packetmode = 1; 688 mp_linkInit(&dl->mp); 689 690 dl->bundle = bundle; 691 dl->next = NULL; 692 693 memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 694 695 dl->dial_tries = 0; 696 dl->cfg.dial.max = 1; 697 dl->cfg.dial.next_timeout = DIAL_NEXT_TIMEOUT; 698 dl->cfg.dial.timeout = DIAL_TIMEOUT; 699 700 dl->reconnect_tries = 0; 701 dl->cfg.reconnect.max = 0; 702 dl->cfg.reconnect.timeout = RECONNECT_TIMEOUT; 703 704 dl->cfg.callback.opmask = 0; 705 dl->cfg.cbcp.delay = 0; 706 *dl->cfg.cbcp.phone = '\0'; 707 dl->cfg.cbcp.fsmretry = DEF_FSMRETRY; 708 709 dl->name = strdup(name); 710 peerid_Init(&dl->peer); 711 dl->parent = &bundle->fsm; 712 dl->fsmp.LayerStart = datalink_LayerStart; 713 dl->fsmp.LayerUp = datalink_LayerUp; 714 dl->fsmp.LayerDown = datalink_LayerDown; 715 dl->fsmp.LayerFinish = datalink_LayerFinish; 716 dl->fsmp.object = dl; 717 718 auth_Init(&dl->pap); 719 auth_Init(&dl->chap.auth); 720 721 if ((dl->physical = modem_Create(dl, type)) == NULL) { 722 free(dl->name); 723 free(dl); 724 return NULL; 725 } 726 cbcp_Init(&dl->cbcp, dl->physical); 727 chat_Init(&dl->chat, dl->physical, NULL, 1, NULL); 728 729 log_Printf(LogPHASE, "%s: Created in %s state\n", 730 dl->name, datalink_State(dl)); 731 732 return dl; 733} 734 735struct datalink * 736datalink_Clone(struct datalink *odl, const char *name) 737{ 738 struct datalink *dl; 739 740 dl = (struct datalink *)malloc(sizeof(struct datalink)); 741 if (dl == NULL) 742 return dl; 743 744 dl->desc.type = DATALINK_DESCRIPTOR; 745 dl->desc.UpdateSet = datalink_UpdateSet; 746 dl->desc.IsSet = datalink_IsSet; 747 dl->desc.Read = datalink_Read; 748 dl->desc.Write = datalink_Write; 749 750 dl->state = DATALINK_CLOSED; 751 752 memcpy(&dl->cfg, &odl->cfg, sizeof dl->cfg); 753 mp_linkInit(&dl->mp); 754 *dl->phone.list = '\0'; 755 dl->phone.next = NULL; 756 dl->phone.alt = NULL; 757 dl->phone.chosen = "N/A"; 758 dl->bundle = odl->bundle; 759 dl->next = NULL; 760 memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 761 dl->dial_tries = 0; 762 dl->reconnect_tries = 0; 763 dl->name = strdup(name); 764 peerid_Init(&dl->peer); 765 dl->parent = odl->parent; 766 memcpy(&dl->fsmp, &odl->fsmp, sizeof dl->fsmp); 767 dl->fsmp.object = dl; 768 auth_Init(&dl->pap); 769 dl->pap.cfg.fsmretry = odl->pap.cfg.fsmretry; 770 771 auth_Init(&dl->chap.auth); 772 dl->chap.auth.cfg.fsmretry = odl->chap.auth.cfg.fsmretry; 773 774 if ((dl->physical = modem_Create(dl, PHYS_INTERACTIVE)) == NULL) { 775 free(dl->name); 776 free(dl); 777 return NULL; 778 } 779 memcpy(&dl->physical->cfg, &odl->physical->cfg, sizeof dl->physical->cfg); 780 memcpy(&dl->physical->link.lcp.cfg, &odl->physical->link.lcp.cfg, 781 sizeof dl->physical->link.lcp.cfg); 782 memcpy(&dl->physical->link.ccp.cfg, &odl->physical->link.ccp.cfg, 783 sizeof dl->physical->link.ccp.cfg); 784 memcpy(&dl->physical->async.cfg, &odl->physical->async.cfg, 785 sizeof dl->physical->async.cfg); 786 787 cbcp_Init(&dl->cbcp, dl->physical); 788 chat_Init(&dl->chat, dl->physical, NULL, 1, NULL); 789 790 log_Printf(LogPHASE, "%s: Cloned in %s state\n", 791 dl->name, datalink_State(dl)); 792 793 return dl; 794} 795 796struct datalink * 797datalink_Destroy(struct datalink *dl) 798{ 799 struct datalink *result; 800 801 if (dl->state != DATALINK_CLOSED) { 802 log_Printf(LogERROR, "Oops, destroying a datalink in state %s\n", 803 datalink_State(dl)); 804 switch (dl->state) { 805 case DATALINK_HANGUP: 806 case DATALINK_DIAL: 807 case DATALINK_LOGIN: 808 chat_Destroy(&dl->chat); /* Gotta blat the timers ! */ 809 break; 810 } 811 } 812 813 result = dl->next; 814 modem_Destroy(dl->physical); 815 free(dl->name); 816 free(dl); 817 818 return result; 819} 820 821void 822datalink_Up(struct datalink *dl, int runscripts, int packetmode) 823{ 824 if (dl->physical->type & (PHYS_DIRECT|PHYS_DEDICATED)) 825 /* Ignore scripts */ 826 runscripts = 0; 827 828 switch (dl->state) { 829 case DATALINK_CLOSED: 830 if (bundle_Phase(dl->bundle) == PHASE_DEAD || 831 bundle_Phase(dl->bundle) == PHASE_TERMINATE) 832 bundle_NewPhase(dl->bundle, PHASE_ESTABLISH); 833 datalink_NewState(dl, DATALINK_OPENING); 834 dl->reconnect_tries = 835 dl->physical->type == PHYS_DIRECT ? 0 : dl->cfg.reconnect.max; 836 dl->dial_tries = dl->cfg.dial.max; 837 dl->script.run = runscripts; 838 dl->script.packetmode = packetmode; 839 break; 840 841 case DATALINK_OPENING: 842 if (!dl->script.run && runscripts) 843 dl->script.run = 1; 844 /* fall through */ 845 846 case DATALINK_DIAL: 847 case DATALINK_LOGIN: 848 case DATALINK_READY: 849 if (!dl->script.packetmode && packetmode) { 850 dl->script.packetmode = 1; 851 if (dl->state == DATALINK_READY) 852 datalink_LoginDone(dl); 853 } 854 break; 855 } 856} 857 858void 859datalink_Close(struct datalink *dl, int how) 860{ 861 /* Please close */ 862 switch (dl->state) { 863 case DATALINK_OPEN: 864 peerid_Init(&dl->peer); 865 fsm2initial(&dl->physical->link.ccp.fsm); 866 /* fall through */ 867 868 case DATALINK_CBCP: 869 case DATALINK_AUTH: 870 case DATALINK_LCP: 871 fsm_Close(&dl->physical->link.lcp.fsm); 872 if (how != CLOSE_NORMAL) { 873 dl->dial_tries = -1; 874 dl->reconnect_tries = 0; 875 if (how == CLOSE_LCP) 876 dl->stayonline = 1; 877 } 878 break; 879 880 default: 881 datalink_ComeDown(dl, how); 882 } 883} 884 885void 886datalink_Down(struct datalink *dl, int how) 887{ 888 /* Carrier is lost */ 889 switch (dl->state) { 890 case DATALINK_OPEN: 891 peerid_Init(&dl->peer); 892 fsm2initial(&dl->physical->link.ccp.fsm); 893 /* fall through */ 894 895 case DATALINK_CBCP: 896 case DATALINK_AUTH: 897 case DATALINK_LCP: 898 fsm2initial(&dl->physical->link.lcp.fsm); 899 /* fall through */ 900 901 default: 902 datalink_ComeDown(dl, how); 903 } 904} 905 906void 907datalink_StayDown(struct datalink *dl) 908{ 909 dl->reconnect_tries = 0; 910} 911 912void 913datalink_DontHangup(struct datalink *dl) 914{ 915 if (dl->state >= DATALINK_LCP) 916 dl->stayonline = 1; 917} 918 919int 920datalink_Show(struct cmdargs const *arg) 921{ 922 prompt_Printf(arg->prompt, "Name: %s\n", arg->cx->name); 923 prompt_Printf(arg->prompt, " State: %s\n", 924 datalink_State(arg->cx)); 925 prompt_Printf(arg->prompt, " CHAP Encryption: %s\n", 926 arg->cx->chap.using_MSChap ? "MSChap" : "MD5" ); 927 prompt_Printf(arg->prompt, " Peer name: "); 928 if (*arg->cx->peer.authname) 929 prompt_Printf(arg->prompt, "%s\n", arg->cx->peer.authname); 930 else if (arg->cx->state == DATALINK_OPEN) 931 prompt_Printf(arg->prompt, "None requested\n"); 932 else 933 prompt_Printf(arg->prompt, "N/A\n"); 934 prompt_Printf(arg->prompt, " Discriminator: %s\n", 935 mp_Enddisc(arg->cx->peer.enddisc.class, 936 arg->cx->peer.enddisc.address, 937 arg->cx->peer.enddisc.len)); 938 939 prompt_Printf(arg->prompt, "\nDefaults:\n"); 940 prompt_Printf(arg->prompt, " Phone List: %s\n", 941 arg->cx->cfg.phone.list); 942 if (arg->cx->cfg.dial.max) 943 prompt_Printf(arg->prompt, " Dial tries: %d, delay ", 944 arg->cx->cfg.dial.max); 945 else 946 prompt_Printf(arg->prompt, " Dial tries: infinite, delay "); 947 if (arg->cx->cfg.dial.next_timeout > 0) 948 prompt_Printf(arg->prompt, "%ds/", arg->cx->cfg.dial.next_timeout); 949 else 950 prompt_Printf(arg->prompt, "random/"); 951 if (arg->cx->cfg.dial.timeout > 0) 952 prompt_Printf(arg->prompt, "%ds\n", arg->cx->cfg.dial.timeout); 953 else 954 prompt_Printf(arg->prompt, "random\n"); 955 prompt_Printf(arg->prompt, " Reconnect tries: %d, delay ", 956 arg->cx->cfg.reconnect.max); 957 if (arg->cx->cfg.reconnect.timeout > 0) 958 prompt_Printf(arg->prompt, "%ds\n", arg->cx->cfg.reconnect.timeout); 959 else 960 prompt_Printf(arg->prompt, "random\n"); 961 prompt_Printf(arg->prompt, " Callback %s ", arg->cx->physical->type == 962 PHYS_DIRECT ? "accepted: " : "requested:"); 963 if (!arg->cx->cfg.callback.opmask) 964 prompt_Printf(arg->prompt, "none\n"); 965 else { 966 int comma = 0; 967 968 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_NONE)) { 969 prompt_Printf(arg->prompt, "none"); 970 comma = 1; 971 } 972 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_AUTH)) { 973 prompt_Printf(arg->prompt, "%sauth", comma ? ", " : ""); 974 comma = 1; 975 } 976 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_E164)) { 977 prompt_Printf(arg->prompt, "%sE.164", comma ? ", " : ""); 978 if (arg->cx->physical->type != PHYS_DIRECT) 979 prompt_Printf(arg->prompt, " (%s)", arg->cx->cfg.callback.msg); 980 comma = 1; 981 } 982 if (arg->cx->cfg.callback.opmask & CALLBACK_BIT(CALLBACK_CBCP)) { 983 prompt_Printf(arg->prompt, "%scbcp\n", comma ? ", " : ""); 984 prompt_Printf(arg->prompt, " CBCP: delay: %ds\n", 985 arg->cx->cfg.cbcp.delay); 986 prompt_Printf(arg->prompt, " phone: %s\n", 987 arg->cx->cfg.cbcp.phone); 988 prompt_Printf(arg->prompt, " timeout: %lds\n", 989 arg->cx->cfg.cbcp.fsmretry); 990 } else 991 prompt_Printf(arg->prompt, "\n"); 992 } 993 994 prompt_Printf(arg->prompt, " Dial Script: %s\n", 995 arg->cx->cfg.script.dial); 996 prompt_Printf(arg->prompt, " Login Script: %s\n", 997 arg->cx->cfg.script.login); 998 prompt_Printf(arg->prompt, " Hangup Script: %s\n", 999 arg->cx->cfg.script.hangup); 1000 return 0; 1001} 1002 1003int 1004datalink_SetReconnect(struct cmdargs const *arg) 1005{ 1006 if (arg->argc == arg->argn+2) { 1007 arg->cx->cfg.reconnect.timeout = atoi(arg->argv[arg->argn]); 1008 arg->cx->cfg.reconnect.max = atoi(arg->argv[arg->argn+1]); 1009 return 0; 1010 } 1011 return -1; 1012} 1013 1014int 1015datalink_SetRedial(struct cmdargs const *arg) 1016{ 1017 int timeout; 1018 int tries; 1019 char *dot; 1020 1021 if (arg->argc == arg->argn+1 || arg->argc == arg->argn+2) { 1022 if (strncasecmp(arg->argv[arg->argn], "random", 6) == 0 && 1023 (arg->argv[arg->argn][6] == '\0' || arg->argv[arg->argn][6] == '.')) { 1024 arg->cx->cfg.dial.timeout = -1; 1025 randinit(); 1026 } else { 1027 timeout = atoi(arg->argv[arg->argn]); 1028 1029 if (timeout >= 0) 1030 arg->cx->cfg.dial.timeout = timeout; 1031 else { 1032 log_Printf(LogWARN, "Invalid redial timeout\n"); 1033 return -1; 1034 } 1035 } 1036 1037 dot = strchr(arg->argv[arg->argn], '.'); 1038 if (dot) { 1039 if (strcasecmp(++dot, "random") == 0) { 1040 arg->cx->cfg.dial.next_timeout = -1; 1041 randinit(); 1042 } else { 1043 timeout = atoi(dot); 1044 if (timeout >= 0) 1045 arg->cx->cfg.dial.next_timeout = timeout; 1046 else { 1047 log_Printf(LogWARN, "Invalid next redial timeout\n"); 1048 return -1; 1049 } 1050 } 1051 } else 1052 /* Default next timeout */ 1053 arg->cx->cfg.dial.next_timeout = DIAL_NEXT_TIMEOUT; 1054 1055 if (arg->argc == arg->argn+2) { 1056 tries = atoi(arg->argv[arg->argn+1]); 1057 1058 if (tries >= 0) { 1059 arg->cx->cfg.dial.max = tries; 1060 } else { 1061 log_Printf(LogWARN, "Invalid retry value\n"); 1062 return 1; 1063 } 1064 } 1065 return 0; 1066 } 1067 return -1; 1068} 1069 1070static const char *states[] = { 1071 "closed", 1072 "opening", 1073 "hangup", 1074 "dial", 1075 "login", 1076 "ready", 1077 "lcp", 1078 "auth", 1079 "cbcp", 1080 "open" 1081}; 1082 1083const char * 1084datalink_State(struct datalink *dl) 1085{ 1086 if (dl->state < 0 || dl->state >= sizeof states / sizeof states[0]) 1087 return "unknown"; 1088 return states[dl->state]; 1089} 1090 1091static void 1092datalink_NewState(struct datalink *dl, int state) 1093{ 1094 if (state != dl->state) { 1095 if (state >= 0 && state < sizeof states / sizeof states[0]) { 1096 log_Printf(LogPHASE, "%s: %s -> %s\n", dl->name, datalink_State(dl), 1097 states[state]); 1098 dl->state = state; 1099 } else 1100 log_Printf(LogERROR, "%s: Can't enter state %d !\n", dl->name, state); 1101 } 1102} 1103 1104struct datalink * 1105iov2datalink(struct bundle *bundle, struct iovec *iov, int *niov, int maxiov, 1106 int fd) 1107{ 1108 struct datalink *dl, *cdl; 1109 u_int retry; 1110 char *oname; 1111 1112 dl = (struct datalink *)iov[(*niov)++].iov_base; 1113 dl->name = iov[*niov].iov_base; 1114 1115 if (dl->name[DATALINK_MAXNAME-1]) { 1116 dl->name[DATALINK_MAXNAME-1] = '\0'; 1117 if (strlen(dl->name) == DATALINK_MAXNAME - 1) 1118 log_Printf(LogWARN, "Datalink name truncated to \"%s\"\n", dl->name); 1119 } 1120 1121 /* Make sure the name is unique ! */ 1122 oname = NULL; 1123 do { 1124 for (cdl = bundle->links; cdl; cdl = cdl->next) 1125 if (!strcasecmp(dl->name, cdl->name)) { 1126 if (oname) 1127 free(datalink_NextName(dl)); 1128 else 1129 oname = datalink_NextName(dl); 1130 break; /* Keep renaming 'till we have no conflicts */ 1131 } 1132 } while (cdl); 1133 1134 if (oname) { 1135 log_Printf(LogPHASE, "Rename link %s to %s\n", oname, dl->name); 1136 free(oname); 1137 } else { 1138 dl->name = strdup(dl->name); 1139 free(iov[*niov].iov_base); 1140 } 1141 (*niov)++; 1142 1143 dl->desc.type = DATALINK_DESCRIPTOR; 1144 dl->desc.UpdateSet = datalink_UpdateSet; 1145 dl->desc.IsSet = datalink_IsSet; 1146 dl->desc.Read = datalink_Read; 1147 dl->desc.Write = datalink_Write; 1148 1149 mp_linkInit(&dl->mp); 1150 *dl->phone.list = '\0'; 1151 dl->phone.next = NULL; 1152 dl->phone.alt = NULL; 1153 dl->phone.chosen = "N/A"; 1154 1155 dl->bundle = bundle; 1156 dl->next = NULL; 1157 memset(&dl->dial_timer, '\0', sizeof dl->dial_timer); 1158 dl->dial_tries = 0; 1159 dl->reconnect_tries = 0; 1160 dl->parent = &bundle->fsm; 1161 dl->fsmp.LayerStart = datalink_LayerStart; 1162 dl->fsmp.LayerUp = datalink_LayerUp; 1163 dl->fsmp.LayerDown = datalink_LayerDown; 1164 dl->fsmp.LayerFinish = datalink_LayerFinish; 1165 dl->fsmp.object = dl; 1166 1167 retry = dl->pap.cfg.fsmretry; 1168 auth_Init(&dl->pap); 1169 dl->pap.cfg.fsmretry = retry; 1170 1171 retry = dl->chap.auth.cfg.fsmretry; 1172 auth_Init(&dl->chap.auth); 1173 dl->chap.auth.cfg.fsmretry = retry; 1174 1175 dl->physical = iov2modem(dl, iov, niov, maxiov, fd); 1176 1177 if (!dl->physical) { 1178 free(dl->name); 1179 free(dl); 1180 dl = NULL; 1181 } else { 1182 cbcp_Init(&dl->cbcp, dl->physical); 1183 chat_Init(&dl->chat, dl->physical, NULL, 1, NULL); 1184 1185 log_Printf(LogPHASE, "%s: Transferred in %s state\n", 1186 dl->name, datalink_State(dl)); 1187 } 1188 1189 return dl; 1190} 1191 1192int 1193datalink2iov(struct datalink *dl, struct iovec *iov, int *niov, int maxiov, 1194 pid_t newpid) 1195{ 1196 /* If `dl' is NULL, we're allocating before a Fromiov() */ 1197 int link_fd; 1198 1199 if (dl) { 1200 timer_Stop(&dl->dial_timer); 1201 /* The following is purely for the sake of paranoia */ 1202 cbcp_Down(&dl->cbcp); 1203 timer_Stop(&dl->pap.authtimer); 1204 timer_Stop(&dl->chap.auth.authtimer); 1205 } 1206 1207 if (*niov >= maxiov - 1) { 1208 log_Printf(LogERROR, "Toiov: No room for datalink !\n"); 1209 if (dl) { 1210 free(dl->name); 1211 free(dl); 1212 } 1213 return -1; 1214 } 1215 1216 iov[*niov].iov_base = dl ? dl : malloc(sizeof *dl); 1217 iov[(*niov)++].iov_len = sizeof *dl; 1218 iov[*niov].iov_base = 1219 dl ? realloc(dl->name, DATALINK_MAXNAME) : malloc(DATALINK_MAXNAME); 1220 iov[(*niov)++].iov_len = DATALINK_MAXNAME; 1221 1222 link_fd = modem2iov(dl ? dl->physical : NULL, iov, niov, maxiov, newpid); 1223 1224 if (link_fd == -1 && dl) { 1225 free(dl->name); 1226 free(dl); 1227 } 1228 1229 return link_fd; 1230} 1231 1232void 1233datalink_Rename(struct datalink *dl, const char *name) 1234{ 1235 free(dl->name); 1236 dl->physical->link.name = dl->name = strdup(name); 1237} 1238 1239char * 1240datalink_NextName(struct datalink *dl) 1241{ 1242 int f, n; 1243 char *name, *oname; 1244 1245 n = strlen(dl->name); 1246 name = (char *)malloc(n+3); 1247 for (f = n - 1; f >= 0; f--) 1248 if (!isdigit(dl->name[f])) 1249 break; 1250 n = sprintf(name, "%.*s-", dl->name[f] == '-' ? f : f + 1, dl->name); 1251 sprintf(name + n, "%d", atoi(dl->name + f + 1) + 1); 1252 oname = dl->name; 1253 dl->name = name; 1254 /* our physical link name isn't updated (it probably isn't created yet) */ 1255 return oname; 1256} 1257 1258int 1259datalink_SetMode(struct datalink *dl, int mode) 1260{ 1261 if (!physical_SetMode(dl->physical, mode)) 1262 return 0; 1263 if (dl->physical->type & (PHYS_DIRECT|PHYS_DEDICATED)) 1264 dl->script.run = 0; 1265 if (dl->physical->type == PHYS_DIRECT) 1266 dl->reconnect_tries = 0; 1267 if (mode & (PHYS_DDIAL|PHYS_BACKGROUND) && dl->state <= DATALINK_READY) 1268 datalink_Up(dl, 1, 1); 1269 return 1; 1270}
|