1 /* 2 * PPP User command processing 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: command.c,v 1.18 1996/06/09 20:40:58 ache Exp $ 21 * 22 */ 23 #include <sys/types.h> 24 #include <ctype.h> 25 #include <termios.h> 26 #include <sys/wait.h> 27 #include <time.h> 28 #include "fsm.h" 29 #include "phase.h" 30 #include "lcp.h" 31 #include "ipcp.h" 32 #include "modem.h" 33 #include "filter.h" 34 #include "command.h" 35 #include "hdlc.h" 36 #include "vars.h" 37 #include "auth.h" 38 #include <netdb.h> 39 #include <sys/socket.h> 40 #include <arpa/inet.h> 41 #include <net/route.h> 42 #include "os.h" 43 #include <paths.h> 44 45 extern int MakeArgs(); 46 extern void Cleanup(), TtyTermMode(), PacketMode(); 47 extern int EnableCommand(), DisableCommand(), DisplayCommand(); 48 extern int AcceptCommand(), DenyCommand(); 49 extern int LocalAuthCommand(); 50 extern int LoadCommand(), SaveCommand(); 51 extern int ChangeParity(char *); 52 extern int SelectSystem(); 53 extern int ShowRoute(); 54 extern void TtyOldMode(), TtyCommandMode(); 55 extern struct pppvars pppVars; 56 extern struct cmdtab const SetCommands[]; 57 58 struct in_addr ifnetmask; 59 60 static int ShowCommand(), TerminalCommand(), QuitCommand(); 61 static int CloseCommand(), DialCommand(), DownCommand(); 62 static int SetCommand(), AddCommand(), DeleteCommand(); 63 static int ShellCommand(); 64 65 static int 66 HelpCommand(list, argc, argv, plist) 67 struct cmdtab *list; 68 int argc; 69 char **argv; 70 struct cmdtab *plist; 71 { 72 struct cmdtab *cmd; 73 int n; 74 char c; 75 76 if (argc > 0) { 77 for (cmd = plist; cmd->name; cmd++) { 78 if (strcmp(cmd->name, *argv) == 0 && (cmd->lauth & VarLocalAuth)) { 79 if (plist == SetCommands) 80 printf("set "); 81 printf("%s %s\n", cmd->name, cmd->syntax); 82 return(1); 83 } 84 } 85 return(1); 86 } 87 n = 0; 88 for (cmd = plist; cmd->func; cmd++) { 89 if (cmd->name && (cmd->lauth & VarLocalAuth)) { 90 c = (n & 1)? '\n' : '\t'; 91 printf(" %-8s: %-20s%c", cmd->name, cmd->helpmes, c); 92 n++; 93 } 94 } 95 if (n & 1) 96 printf("\n"); 97 return(1); 98 } 99 100 int 101 IsInteractive() 102 { 103 char *mes = NULL; 104 105 if (mode & MODE_AUTO) 106 mes = "Working in auto mode."; 107 else if (mode & MODE_DIRECT) 108 mes = "Working in direct mode."; 109 else if (mode & MODE_DEDICATED) 110 mes = "Working in dedicated mode."; 111 if (mes) { 112 printf("%s\n", mes); 113 return(0); 114 } 115 return(1); 116 } 117 118 static int 119 DialCommand(cmdlist, argc, argv) 120 struct cmdtab *cmdlist; 121 int argc; 122 char **argv; 123 { 124 int tries; 125 126 if (LcpFsm.state > ST_CLOSED) { 127 printf("LCP state is [%s]\n", StateNames[LcpFsm.state]); 128 return(1); 129 } 130 if (!IsInteractive()) 131 return(1); 132 if (argc > 0) { 133 if (SelectSystem(*argv, CONFFILE) < 0) { 134 printf("%s: not found.\n", *argv); 135 return(1); 136 } 137 } 138 tries = 0; 139 do { 140 printf("Dial attempt %u\n", ++tries); 141 modem = OpenModem(mode); 142 if (modem < 0) { 143 printf("failed to open modem.\n"); 144 modem = 0; 145 break; 146 } 147 if (DialModem()) { 148 sleep(1); 149 ModemTimeout(); 150 PacketMode(); 151 break; 152 } 153 } while (VarDialTries == 0 || tries < VarDialTries); 154 return(1); 155 } 156 157 static int 158 ShellCommand(cmdlist, argc, argv) 159 struct cmdtab *cmdlist; 160 int argc; 161 char **argv; 162 { 163 const char *shell; 164 pid_t shpid; 165 166 if((shell = getenv("SHELL")) == 0) { 167 shell = _PATH_BSHELL; 168 } 169 170 #ifndef HAVE_SHELL_CMD_WITH_ANY_MODE 171 if( mode != MODE_INTER) { 172 fprintf(stdout, 173 "Can start an shell only in interactive mode\n"); 174 return(1); 175 } 176 #else 177 if(argc == 0 && !(mode & MODE_INTER)) { 178 fprintf(stderr, 179 "Can start an interactive shell only in interactive mode\n"); 180 return(1); 181 } 182 #endif /* HAVE_SHELL_CMD_WITH_ANY_MODE */ 183 184 if((shpid = fork()) == 0) { 185 int dtablesize, i ; 186 187 for (dtablesize = getdtablesize(), i = 3; i < dtablesize; i++) 188 (void)close(i); 189 190 /* 191 * We are running setuid, we should change to 192 * real user for avoiding security problems. 193 */ 194 if (setgid(getgid()) < 0) { 195 perror("setgid"); 196 exit(1); 197 } 198 if (setuid(getuid()) < 0) { 199 perror("setuid"); 200 exit(1); 201 } 202 TtyOldMode(); 203 if(argc > 0) 204 execvp(argv[0], argv); 205 else 206 execl(shell, shell, NULL); 207 208 fprintf(stdout, "exec() of %s failed\n", argc > 0? argv[0]: shell); 209 exit(255); 210 } 211 if( shpid == (pid_t)-1 ) { 212 fprintf(stdout, "Fork failed\n"); 213 } else { 214 int status; 215 (void)waitpid(shpid, &status, 0); 216 } 217 218 TtyCommandMode(1); 219 220 return(0); 221 } 222 223 static char StrOption[] = "option .."; 224 static char StrRemote[] = "[remote]"; 225 char StrNull[] = ""; 226 227 struct cmdtab const Commands[] = { 228 { "accept", NULL, AcceptCommand, LOCAL_AUTH, 229 "accept option request", StrOption}, 230 { "add", NULL, AddCommand, LOCAL_AUTH, 231 "add route", "dest mask gateway"}, 232 { "close", NULL, CloseCommand, LOCAL_AUTH, 233 "Close connection", StrNull}, 234 { "delete", NULL, DeleteCommand, LOCAL_AUTH, 235 "delete route", "ALL | dest gateway [mask]"}, 236 { "deny", NULL, DenyCommand, LOCAL_AUTH, 237 "Deny option request", StrOption}, 238 { "dial", "call", DialCommand, LOCAL_AUTH, 239 "Dial and login", StrRemote}, 240 { "disable", NULL, DisableCommand, LOCAL_AUTH, 241 "Disable option", StrOption}, 242 { "display", NULL, DisplayCommand, LOCAL_AUTH, 243 "Display option configs", StrNull}, 244 { "enable", NULL, EnableCommand, LOCAL_AUTH, 245 "Enable option", StrOption}, 246 { "passwd", NULL, LocalAuthCommand,LOCAL_NO_AUTH, 247 "Password for manipulation", StrOption}, 248 { "load", NULL, LoadCommand, LOCAL_AUTH, 249 "Load settings", StrRemote}, 250 { "save", NULL, SaveCommand, LOCAL_AUTH, 251 "Save settings", StrNull}, 252 { "set", "setup", SetCommand, LOCAL_AUTH, 253 "Set parameters", "var value"}, 254 { "shell", "!", ShellCommand, LOCAL_AUTH, 255 "Run a subshell", "[sh command]"}, 256 { "show", NULL, ShowCommand, LOCAL_AUTH, 257 "Show status and statictics", "var"}, 258 { "term", NULL, TerminalCommand,LOCAL_AUTH, 259 "Enter to terminal mode", StrNull}, 260 { "quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH, 261 "Quit PPP program", "[all]"}, 262 { "help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH, 263 "Display this message", "[command]", (void *)Commands }, 264 { NULL, "down", DownCommand, LOCAL_AUTH, 265 "Generate down event", StrNull}, 266 { NULL, NULL, NULL }, 267 }; 268 269 extern int ReportCcpStatus(); 270 extern int ReportLcpStatus(); 271 extern int ReportIpcpStatus(); 272 extern int ReportProtStatus(); 273 extern int ReportCompress(); 274 extern int ShowModemStatus(); 275 extern int ReportHdlcStatus(); 276 extern int ShowMemMap(); 277 278 static char *LogLevelName[] = { 279 LM_PHASE, LM_CHAT, LM_LQM, LM_LCP, 280 LM_TCPIP, LM_HDLC, LM_ASYNC, LM_LINK, 281 LM_CONNECT, LM_CARRIER, 282 }; 283 284 static int ShowDebugLevel() 285 { 286 int i; 287 288 printf("%02x: ", loglevel); 289 for (i = LOG_PHASE; i < MAXLOGLEVEL; i++) { 290 if (loglevel & (1 << i)) 291 printf("%s ", LogLevelName[i]); 292 } 293 printf("\n"); 294 return(1); 295 } 296 297 static int ShowEscape() 298 { 299 int code, bit; 300 301 if (EscMap[32]) { 302 for (code = 0; code < 32; code++) { 303 if (EscMap[code]) { 304 for (bit = 0; bit < 8; bit++) { 305 if (EscMap[code] & (1<<bit)) { 306 printf(" 0x%02x", (code << 3) + bit); 307 } 308 } 309 } 310 } 311 printf("\n"); 312 } 313 return(1); 314 } 315 316 static int ShowTimeout() 317 { 318 printf(" Idle Timer: %d secs LQR Timer: %d secs Retry Timer: %d secs\n", 319 VarIdleTimeout, VarLqrTimeout, VarRetryTimeout); 320 return(1); 321 } 322 323 static int ShowAuthKey() 324 { 325 printf("AuthName = %s\n", VarAuthName); 326 printf("AuthKey = %s\n", VarAuthKey); 327 return(1); 328 } 329 330 static int ShowVersion() 331 { 332 extern char VarVersion[]; 333 extern char VarLocalVersion[]; 334 335 printf("%s - %s \n", VarVersion, VarLocalVersion); 336 return(1); 337 } 338 339 static int ShowLogList() 340 { 341 ListLog(); 342 return(1); 343 } 344 345 static int ShowRedial() 346 { 347 printf(" Redial Timer: "); 348 349 if (VarRedialTimeout >= 0) { 350 printf(" %d seconds, ", VarRedialTimeout); 351 } 352 else { 353 printf(" Random 0 - %d seconds, ", REDIAL_PERIOD); 354 } 355 356 if (VarDialTries) 357 printf("%d dial tries", VarDialTries); 358 359 printf("\n"); 360 361 return(1); 362 } 363 364 365 extern int ShowIfilter(), ShowOfilter(), ShowDfilter(), ShowAfilter(); 366 367 struct cmdtab const ShowCommands[] = { 368 { "afilter", NULL, ShowAfilter, LOCAL_AUTH, 369 "Show keep Alive filters", StrOption}, 370 { "auth", NULL, ShowAuthKey, LOCAL_AUTH, 371 "Show auth name/key", StrNull}, 372 { "ccp", NULL, ReportCcpStatus, LOCAL_AUTH, 373 "Show CCP status", StrNull}, 374 { "compress", NULL, ReportCompress, LOCAL_AUTH, 375 "Show compression statictics", StrNull}, 376 { "debug", NULL, ShowDebugLevel, LOCAL_AUTH, 377 "Show current debug level", StrNull}, 378 { "dfilter", NULL, ShowDfilter, LOCAL_AUTH, 379 "Show Demand filters", StrOption}, 380 { "escape", NULL, ShowEscape, LOCAL_AUTH, 381 "Show escape characters", StrNull}, 382 { "hdlc", NULL, ReportHdlcStatus, LOCAL_AUTH, 383 "Show HDLC error summary", StrNull}, 384 { "ifilter", NULL, ShowIfilter, LOCAL_AUTH, 385 "Show Input filters", StrOption}, 386 { "ipcp", NULL, ReportIpcpStatus, LOCAL_AUTH, 387 "Show IPCP status", StrNull}, 388 { "lcp", NULL, ReportLcpStatus, LOCAL_AUTH, 389 "Show LCP status", StrNull}, 390 { "log", NULL, ShowLogList, LOCAL_AUTH, 391 "Show log records", StrNull}, 392 { "mem", NULL, ShowMemMap, LOCAL_AUTH, 393 "Show memory map", StrNull}, 394 { "modem", NULL, ShowModemStatus, LOCAL_AUTH, 395 "Show modem setups", StrNull}, 396 { "ofilter", NULL, ShowOfilter, LOCAL_AUTH, 397 "Show Output filters", StrOption}, 398 { "proto", NULL, ReportProtStatus, LOCAL_AUTH, 399 "Show protocol summary", StrNull}, 400 { "route", NULL, ShowRoute, LOCAL_AUTH, 401 "Show routing table", StrNull}, 402 { "timeout", NULL, ShowTimeout, LOCAL_AUTH, 403 "Show Idle timeout value", StrNull}, 404 { "redial", NULL, ShowRedial, LOCAL_AUTH, 405 "Show Redial timeout value", StrNull}, 406 { "version", NULL, ShowVersion, LOCAL_NO_AUTH | LOCAL_AUTH, 407 "Show version string", StrNull}, 408 { "help", "?", HelpCommand, LOCAL_NO_AUTH | LOCAL_AUTH, 409 "Display this message", StrNull, (void *)ShowCommands}, 410 { NULL, NULL, NULL }, 411 }; 412 413 struct cmdtab * 414 FindCommand(cmds, str, pmatch) 415 struct cmdtab *cmds; 416 char *str; 417 int *pmatch; 418 { 419 int nmatch = 0; 420 int len = strlen(str); 421 struct cmdtab *found = NULL; 422 423 while (cmds->func) { 424 if (cmds->name && strncmp(str, cmds->name, len) == 0) { 425 nmatch++; 426 found = cmds; 427 } else if (cmds->alias && strncmp(str, cmds->alias, len) == 0) { 428 nmatch++; 429 found = cmds; 430 } 431 cmds++; 432 } 433 *pmatch = nmatch; 434 return(found); 435 } 436 437 int 438 FindExec(cmdlist, argc, argv) 439 struct cmdtab *cmdlist; 440 int argc; 441 char **argv; 442 { 443 struct cmdtab *cmd; 444 int val = 1; 445 int nmatch; 446 447 cmd = FindCommand(cmdlist, *argv, &nmatch); 448 if (nmatch > 1) 449 printf("Ambiguous.\n"); 450 else if (cmd && ( cmd->lauth & VarLocalAuth ) ) 451 val = (cmd->func)(cmd, --argc, ++argv, cmd->args); 452 else 453 printf("what?\n"); 454 return(val); 455 } 456 457 void 458 Prompt(flag) 459 int flag; 460 { 461 char *pconnect, *pauth; 462 463 if (!(mode & MODE_INTER)) 464 return; 465 466 if (flag) printf("\n"); 467 468 if ( VarLocalAuth == LOCAL_AUTH ) 469 pauth = " ON "; 470 else 471 pauth = " on "; 472 if (IpcpFsm.state == ST_OPENED && phase == PHASE_NETWORK) 473 pconnect = "PPP"; 474 else 475 pconnect = "ppp"; 476 printf("%s%s%s> ", pconnect, pauth, VarShortHost); 477 fflush(stdout); 478 } 479 480 void 481 DecodeCommand(buff, nb, prompt) 482 char *buff; 483 int nb; 484 int prompt; 485 { 486 char *vector[20]; 487 char **argv; 488 int argc, val; 489 char *cp; 490 491 val = 1; 492 if (nb > 0) { 493 cp = buff + strcspn(buff, "\r\n"); 494 if (cp) 495 *cp = '\0'; 496 { 497 argc = MakeArgs(buff, &vector); 498 argv = vector; 499 500 if (argc > 0) 501 val = FindExec(Commands, argc, argv); 502 } 503 } 504 if (val && prompt) 505 Prompt(0); 506 } 507 508 static int 509 ShowCommand(list, argc, argv) 510 struct cmdtab *list; 511 int argc; 512 char **argv; 513 { 514 int val = 1; 515 516 if (argc > 0) 517 val = FindExec(ShowCommands, argc, argv); 518 else 519 printf("Use ``show ?'' to get a list.\n"); 520 return(val); 521 } 522 523 static int 524 TerminalCommand() 525 { 526 if (LcpFsm.state > ST_CLOSED) { 527 printf("LCP state is [%s]\n", StateNames[LcpFsm.state]); 528 return(1); 529 } 530 if (!IsInteractive()) 531 return(1); 532 modem = OpenModem(mode); 533 if (modem < 0) { 534 printf("failed to open modem.\n"); 535 modem = 0; 536 return(1); 537 } 538 printf("Enter to terminal mode.\n"); 539 printf("Type `~?' for help.\n"); 540 TtyTermMode(); 541 return(0); 542 } 543 544 static int 545 QuitCommand(list, argc, argv) 546 struct cmdtab *list; 547 int argc; 548 char **argv; 549 { 550 if (mode & (MODE_DIRECT|MODE_DEDICATED|MODE_AUTO)) { 551 if (argc > 0 && (VarLocalAuth & LOCAL_AUTH)) { 552 Cleanup(EX_NORMAL); 553 } else { 554 VarLocalAuth = LOCAL_NO_AUTH; 555 close(netfd); 556 close(1); 557 dup2(2, 1); /* Have to have something here or the modem will be 1 */ 558 netfd = -1; 559 mode &= ~MODE_INTER; 560 } 561 } else 562 Cleanup(EX_NORMAL); 563 return(1); 564 } 565 566 static int 567 CloseCommand() 568 { 569 LcpClose(); 570 return(1); 571 } 572 573 static int 574 DownCommand() 575 { 576 LcpDown(); 577 return(1); 578 } 579 580 static int SetModemSpeed(list, argc, argv) 581 struct cmdtab *list; 582 int argc; 583 char **argv; 584 { 585 int speed; 586 587 if (argc > 0) { 588 if (strcmp(*argv, "sync") == 0) { 589 VarSpeed = 0; 590 return(1); 591 } 592 speed = atoi(*argv); 593 if (IntToSpeed(speed) != B0) { 594 VarSpeed = speed; 595 return(1); 596 } 597 printf("invalid speed.\n"); 598 } 599 return(1); 600 } 601 602 static int SetRedialTimeout(list, argc, argv) 603 struct cmdtab *list; 604 int argc; 605 char **argv; 606 { 607 int timeout; 608 int tries; 609 610 if (argc == 1 || argc == 2 ) { 611 if (strcasecmp(argv[0], "random") == 0) { 612 VarRedialTimeout = -1; 613 printf("Using random redial timeout.\n"); 614 srandom(time(0)); 615 } 616 else { 617 timeout = atoi(argv[0]); 618 619 if (timeout >= 0) { 620 VarRedialTimeout = timeout; 621 } 622 else { 623 printf("invalid redial timeout\n"); 624 printf("Usage: %s %s\n", list->name, list->syntax); 625 } 626 } 627 if (argc == 2) { 628 tries = atoi(argv[1]); 629 630 if (tries >= 0) { 631 VarDialTries = tries; 632 } 633 else { 634 printf("invalid retry value\n"); 635 printf("Usage: %s %s\n", list->name, list->syntax); 636 } 637 } 638 } 639 else { 640 printf("Usage: %s %s\n", list->name, list->syntax); 641 } 642 return(1); 643 } 644 645 static int SetModemParity(list, argc, argv) 646 struct cmdtab *list; 647 int argc; 648 char **argv; 649 { 650 int parity; 651 652 if (argc > 0) { 653 parity = ChangeParity(*argv); 654 if (parity < 0) 655 printf("Invalid parity.\n"); 656 else 657 VarParity = parity; 658 } 659 return(1); 660 } 661 662 static int 663 SetDebugLevel(list, argc, argv) 664 struct cmdtab *list; 665 int argc; 666 char **argv; 667 { 668 int level, w; 669 670 for (level = 0; argc-- > 0; argv++) { 671 if (isdigit(**argv)) { 672 w = atoi(*argv); 673 if (w < 0 || w >= MAXLOGLEVEL) { 674 printf("invalid log level.\n"); 675 break; 676 } else 677 level |= (1 << w); 678 } else { 679 for (w = 0; w < MAXLOGLEVEL; w++) { 680 if (strcasecmp(*argv, LogLevelName[w]) == 0) { 681 level |= (1 << w); 682 continue; 683 } 684 } 685 } 686 } 687 loglevel = level; 688 return(1); 689 } 690 691 static int 692 SetEscape(list, argc, argv) 693 struct cmdtab *list; 694 int argc; 695 char **argv; 696 { 697 int code; 698 699 for (code = 0; code < 33; code++) 700 EscMap[code] = 0; 701 while (argc-- > 0) { 702 sscanf(*argv++, "%x", &code); 703 code &= 0xff; 704 EscMap[code >> 3] |= (1 << (code&7)); 705 EscMap[32] = 1; 706 } 707 return(1); 708 } 709 710 static int 711 SetInitialMRU(list, argc, argv) 712 struct cmdtab *list; 713 int argc; 714 char **argv; 715 { 716 int mru; 717 718 if (argc > 0) { 719 mru = atoi(*argv); 720 if (mru < 100) 721 printf("given value is too small.\n"); 722 else if (mru > MAX_MRU) 723 printf("given value is too big.\n"); 724 else 725 VarMRU = mru; 726 } 727 return(1); 728 } 729 730 static int 731 SetIdleTimeout(list, argc, argv) 732 struct cmdtab *list; 733 int argc; 734 char **argv; 735 { 736 if (argc-- > 0) { 737 VarIdleTimeout = atoi(*argv++); 738 if (argc-- > 0) { 739 VarLqrTimeout = atoi(*argv++); 740 if (VarLqrTimeout < 1) 741 VarLqrTimeout = 30; 742 if (argc > 0) { 743 VarRetryTimeout = atoi(*argv); 744 if (VarRetryTimeout < 1 || VarRetryTimeout > 10) 745 VarRetryTimeout = 3; 746 } 747 } 748 } 749 return(1); 750 } 751 752 struct in_addr 753 GetIpAddr(cp) 754 char *cp; 755 { 756 struct hostent *hp; 757 struct in_addr ipaddr; 758 759 hp = gethostbyname(cp); 760 if (hp && hp->h_addrtype == AF_INET) 761 bcopy(hp->h_addr, &ipaddr, hp->h_length); 762 else if (inet_aton(cp, &ipaddr) == 0) 763 ipaddr.s_addr = 0; 764 return(ipaddr); 765 } 766 767 static int 768 SetInterfaceAddr(list, argc, argv) 769 struct cmdtab *list; 770 int argc; 771 char **argv; 772 { 773 774 DefMyAddress.ipaddr.s_addr = DefHisAddress.ipaddr.s_addr = 0L; 775 if (argc > 0) { 776 ParseAddr(argc, argv++, 777 &DefMyAddress.ipaddr, &DefMyAddress.mask, &DefMyAddress.width); 778 if (--argc > 0) { 779 ParseAddr(argc, argv++, 780 &DefHisAddress.ipaddr, &DefHisAddress.mask, &DefHisAddress.width); 781 if (--argc > 0) { 782 ifnetmask = GetIpAddr(*argv); 783 if (--argc > 0) { 784 ParseAddr(argc, argv++, 785 &DefTriggerAddress.ipaddr, 786 &DefTriggerAddress.mask, 787 &DefTriggerAddress.width); 788 } 789 } 790 } 791 } 792 /* 793 * For backwards compatibility, 0.0.0.0 means any address. 794 */ 795 if (DefMyAddress.ipaddr.s_addr == 0) { 796 DefMyAddress.mask.s_addr = 0; 797 DefMyAddress.width = 0; 798 } 799 if (DefHisAddress.ipaddr.s_addr == 0) { 800 DefHisAddress.mask.s_addr = 0; 801 DefHisAddress.width = 0; 802 } 803 804 if ((mode & MODE_AUTO) || 805 ((mode & MODE_DEDICATED) && dstsystem)) { 806 OsSetIpaddress(DefMyAddress.ipaddr, DefHisAddress.ipaddr, ifnetmask); 807 } 808 return(1); 809 } 810 811 812 #define VAR_AUTHKEY 0 813 #define VAR_DIAL 1 814 #define VAR_LOGIN 2 815 #define VAR_AUTHNAME 3 816 #define VAR_DEVICE 4 817 #define VAR_ACCMAP 5 818 #define VAR_PHONE 6 819 820 static int 821 SetVariable(list, argc, argv, param) 822 struct cmdtab *list; 823 int argc; 824 char **argv; 825 int param; 826 { 827 u_long map; 828 829 if (argc > 0) { 830 switch (param) { 831 case VAR_AUTHKEY: 832 strncpy(VarAuthKey, *argv, sizeof(VarAuthKey)-1); 833 break; 834 case VAR_AUTHNAME: 835 strncpy(VarAuthName, *argv, sizeof(VarAuthName)-1); 836 break; 837 case VAR_DIAL: 838 strncpy(VarDialScript, *argv, sizeof(VarDialScript)-1); 839 break; 840 case VAR_LOGIN: 841 strncpy(VarLoginScript, *argv, sizeof(VarDialScript)-1); 842 break; 843 case VAR_DEVICE: 844 strncpy(VarDevice, *argv, sizeof(VarDevice)-1); 845 break; 846 case VAR_ACCMAP: 847 sscanf(*argv, "%lx", &map); 848 VarAccmap = map; 849 break; 850 case VAR_PHONE: 851 strncpy(VarPhoneList, *argv, sizeof(VarPhoneList)-1); 852 strcpy(VarPhoneCopy, VarPhoneList); 853 VarNextPhone = VarPhoneCopy; 854 break; 855 } 856 } 857 return(1); 858 } 859 860 static int SetOpenMode(list, argc, argv) 861 struct cmdtab *list; 862 int argc; 863 char **argv; 864 { 865 if (argc > 0) { 866 if (strcmp(*argv, "active") == 0) 867 VarOpenMode = OPEN_ACTIVE; 868 else if (strcmp(*argv, "passive") == 0) 869 VarOpenMode = OPEN_PASSIVE; 870 else 871 printf("Invalid mode.\n"); 872 } 873 return(1); 874 } 875 876 static char StrChatStr[] = "chat-script"; 877 static char StrValue[] = "value"; 878 879 extern int SetIfilter(), SetOfilter(), SetDfilter(), SetAfilter(); 880 881 struct cmdtab const SetCommands[] = { 882 { "accmap", NULL, SetVariable, LOCAL_AUTH, 883 "Set accmap value", "hex-value", (void *)VAR_ACCMAP}, 884 { "afilter", NULL, SetAfilter, LOCAL_AUTH, 885 "Set keep Alive filter", "..."}, 886 { "authkey", "key", SetVariable, LOCAL_AUTH, 887 "Set authentication key", "key", (void *)VAR_AUTHKEY}, 888 { "authname", NULL, SetVariable, LOCAL_AUTH, 889 "Set authentication name", "name", (void *)VAR_AUTHNAME}, 890 { "debug", NULL, SetDebugLevel, LOCAL_AUTH, 891 "Set debug level", StrValue}, 892 { "device", "line", SetVariable, LOCAL_AUTH, 893 "Set modem device name", "device-name", (void *)VAR_DEVICE}, 894 { "dfilter", NULL, SetDfilter, LOCAL_AUTH, 895 "Set demand filter", "..."}, 896 { "dial", NULL, SetVariable, LOCAL_AUTH, 897 "Set dialing script", StrChatStr, (void *)VAR_DIAL}, 898 { "escape", NULL, SetEscape, LOCAL_AUTH, 899 "Set escape characters", "hex-digit ..."}, 900 { "ifaddr", NULL, SetInterfaceAddr, LOCAL_AUTH, 901 "Set destination address", "[src-addr [dst-addr [netmask [trg-addr]]]]"}, 902 { "ifilter", NULL, SetIfilter, LOCAL_AUTH, 903 "Set input filter", "..."}, 904 { "login", NULL, SetVariable, LOCAL_AUTH, 905 "Set login script", StrChatStr, (void *)VAR_LOGIN }, 906 { "mru", "mtu", SetInitialMRU, LOCAL_AUTH, 907 "Set Initial MRU value", StrValue }, 908 { "ofilter", NULL, SetOfilter, LOCAL_AUTH, 909 "Set output filter", "..." }, 910 { "openmode", NULL, SetOpenMode, LOCAL_AUTH, 911 "Set open mode", "[active|passive]"}, 912 { "parity", NULL, SetModemParity, LOCAL_AUTH, 913 "Set modem parity", "[odd|even|none]"}, 914 { "phone", NULL, SetVariable, LOCAL_AUTH, 915 "Set telephone number(s)", "phone1[:phone2[...]]", (void *)VAR_PHONE }, 916 { "speed", NULL, SetModemSpeed, LOCAL_AUTH, 917 "Set modem speed", "speed"}, 918 { "timeout", NULL, SetIdleTimeout, LOCAL_AUTH, 919 "Set Idle timeout", StrValue}, 920 { "redial", NULL, SetRedialTimeout, LOCAL_AUTH, 921 "Set Redial timeout", "value|random [dial_attempts]"}, 922 { "help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH, 923 "Display this message", StrNull, (void *)SetCommands}, 924 { NULL, NULL, NULL }, 925 }; 926 927 static int 928 SetCommand(list, argc, argv) 929 struct cmdtab *list; 930 int argc; 931 char **argv; 932 { 933 int val = 1; 934 935 if (argc > 0) 936 val = FindExec(SetCommands, argc, argv); 937 else 938 printf("Use `set ?' to get a list or `set ? <var>' for syntax help.\n"); 939 return(val); 940 } 941 942 943 static int 944 AddCommand(list, argc, argv) 945 struct cmdtab *list; 946 int argc; 947 char **argv; 948 { 949 struct in_addr dest, gateway, netmask; 950 951 if (argc == 3) { 952 dest = GetIpAddr(argv[0]); 953 netmask = GetIpAddr(argv[1]); 954 if (strcmp(argv[2], "HISADDR") == 0) 955 gateway = IpcpInfo.his_ipaddr; 956 else 957 gateway = GetIpAddr(argv[2]); 958 OsSetRoute(RTM_ADD, dest, gateway, netmask); 959 } else { 960 printf("Usage: %s %s\n", list->name, list->syntax); 961 } 962 return(1); 963 } 964 965 static int 966 DeleteCommand(list, argc, argv) 967 struct cmdtab *list; 968 int argc; 969 char **argv; 970 { 971 struct in_addr dest, gateway, netmask; 972 973 if (argc >= 2) { 974 dest = GetIpAddr(argv[0]); 975 if (strcmp(argv[1], "HISADDR") == 0) 976 gateway = IpcpInfo.his_ipaddr; 977 else 978 gateway = GetIpAddr(argv[1]); 979 netmask.s_addr = 0; 980 if (argc == 3) { 981 if (inet_aton(argv[1], &netmask) == 0) { 982 printf("bad netmask value.\n"); 983 return(1); 984 } 985 } 986 OsSetRoute(RTM_DELETE, dest, gateway, netmask); 987 } else if (argc == 1 && strcmp(argv[0], "ALL") == 0) { 988 DeleteIfRoutes(0); 989 } else { 990 printf("Usage: %s %s\n", list->name, list->syntax); 991 } 992 return(1); 993 } 994 995