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 1.13 1996/01/11 17:48:41 phk 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 57 struct in_addr ifnetmask; 58 59 static int ShowCommand(), TerminalCommand(), QuitCommand(); 60 static int CloseCommand(), DialCommand(), DownCommand(); 61 static int SetCommand(), AddCommand(), DeleteCommand(); 62 static int ShellCommand(); 63 64 static int 65 HelpCommand(list, argc, argv, plist) 66 struct cmdtab *list; 67 int argc; 68 char **argv; 69 struct cmdtab *plist; 70 { 71 struct cmdtab *cmd; 72 int n; 73 char c; 74 75 if (argc > 0) { 76 for (cmd = plist; cmd->name; cmd++) { 77 if (strcmp(cmd->name, *argv) == 0 && (cmd->lauth & VarLocalAuth)) { 78 printf("%s %s\n", cmd->name, cmd->syntax); 79 return(1); 80 } 81 } 82 return(1); 83 } 84 n = 0; 85 for (cmd = plist; cmd->func; cmd++) { 86 if (cmd->name && (cmd->lauth & VarLocalAuth)) { 87 c = (n & 1)? '\n' : '\t'; 88 printf(" %-8s: %-20s%c", cmd->name, cmd->helpmes, c); 89 n++; 90 } 91 } 92 if (n & 1) 93 printf("\n"); 94 return(1); 95 } 96 97 int 98 IsInteractive() 99 { 100 char *mes = NULL; 101 102 if (mode & MODE_AUTO) 103 mes = "Working in auto mode."; 104 else if (mode & MODE_DIRECT) 105 mes = "Working in direct mode."; 106 else if (mode & MODE_DEDICATED) 107 mes = "Working in dedicated mode."; 108 if (mes) { 109 printf("%s\n", mes); 110 return(0); 111 } 112 return(1); 113 } 114 115 static int 116 DialCommand(cmdlist, argc, argv) 117 struct cmdtab *cmdlist; 118 int argc; 119 char **argv; 120 { 121 int tries; 122 123 if (LcpFsm.state > ST_CLOSED) { 124 printf("LCP state is [%s]\n", StateNames[LcpFsm.state]); 125 return(1); 126 } 127 if (!IsInteractive()) 128 return(1); 129 if (argc > 0) { 130 if (SelectSystem(*argv, CONFFILE) < 0) { 131 printf("%s: not found.\n", *argv); 132 return(1); 133 } 134 } 135 tries = 0; 136 do { 137 printf("Dial attempt %u\n", ++tries); 138 modem = OpenModem(mode); 139 if (modem < 0) { 140 printf("failed to open modem.\n"); 141 modem = 0; 142 break; 143 } 144 if (DialModem()) { 145 sleep(1); 146 ModemTimeout(); 147 PacketMode(); 148 break; 149 } 150 } while (VarDialTries == 0 || tries < VarDialTries); 151 return(1); 152 } 153 154 static int 155 ShellCommand(cmdlist, argc, argv) 156 struct cmdtab *cmdlist; 157 int argc; 158 char **argv; 159 { 160 const char *shell; 161 pid_t shpid; 162 163 if((shell = getenv("SHELL")) == 0) { 164 shell = _PATH_BSHELL; 165 } 166 167 #ifndef HAVE_SHELL_CMD_WITH_ANY_MODE 168 if( mode != MODE_INTER) { 169 fprintf(stdout, 170 "Can start an shell only in interactive mode\n"); 171 return(1); 172 } 173 #else 174 if(argc == 0 && !(mode & MODE_INTER)) { 175 fprintf(stderr, 176 "Can start an interactive shell only in interactive mode\n"); 177 return(1); 178 } 179 #endif /* HAVE_SHELL_CMD_WITH_ANY_MODE */ 180 181 if((shpid = fork()) == 0) { 182 int i; 183 for(i = 3; i < getdtablesize(); i++) 184 (void)close(i); 185 186 /* 187 * We are running setuid, we should change to 188 * real user for avoiding security problems. 189 */ 190 setgid( getgid() ); 191 setuid( getuid() ); 192 193 TtyOldMode(); 194 if(argc > 0) 195 execvp(argv[0], argv); 196 else 197 execl(shell, shell, NULL); 198 199 fprintf(stdout, "exec() of %s failed\n", argc > 0? argv[0]: shell); 200 exit(255); 201 } 202 if( shpid == (pid_t)-1 ) { 203 fprintf(stdout, "Fork failed\n"); 204 } else { 205 int status; 206 (void)waitpid(shpid, &status, 0); 207 } 208 209 TtyCommandMode(1); 210 211 return(0); 212 } 213 214 static char StrOption[] = "option .."; 215 static char StrRemote[] = "[remote]"; 216 char StrNull[] = ""; 217 218 struct cmdtab const Commands[] = { 219 { "accept", NULL, AcceptCommand, LOCAL_AUTH, 220 "accept option request", StrOption}, 221 { "add", NULL, AddCommand, LOCAL_AUTH, 222 "add route", "dest mask gateway"}, 223 { "close", NULL, CloseCommand, LOCAL_AUTH, 224 "Close connection", StrNull}, 225 { "delete", NULL, DeleteCommand, LOCAL_AUTH, 226 "delete route", "dest gateway"}, 227 { "deny", NULL, DenyCommand, LOCAL_AUTH, 228 "Deny option request", StrOption}, 229 { "dial", "call", DialCommand, LOCAL_AUTH, 230 "Dial and login", StrRemote}, 231 { "disable", NULL, DisableCommand, LOCAL_AUTH, 232 "Disable option", StrOption}, 233 { "display", NULL, DisplayCommand, LOCAL_AUTH, 234 "Display option configs", StrNull}, 235 { "enable", NULL, EnableCommand, LOCAL_AUTH, 236 "Enable option", StrOption}, 237 { "passwd", NULL, LocalAuthCommand,LOCAL_NO_AUTH, 238 "Password for manipulation", StrOption}, 239 { "load", NULL, LoadCommand, LOCAL_AUTH, 240 "Load settings", StrRemote}, 241 { "save", NULL, SaveCommand, LOCAL_AUTH, 242 "Save settings", StrNull}, 243 { "set", "setup", SetCommand, LOCAL_AUTH, 244 "Set parameters", "var value"}, 245 { "shell", "!", ShellCommand, LOCAL_AUTH, 246 "Run a subshell", "[sh command]"}, 247 { "show", NULL, ShowCommand, LOCAL_AUTH, 248 "Show status and statictics", "var"}, 249 { "term", NULL, TerminalCommand,LOCAL_AUTH, 250 "Enter to terminal mode", StrNull}, 251 { "quit", "bye", QuitCommand, LOCAL_AUTH | LOCAL_NO_AUTH, 252 "Quit PPP program", StrNull}, 253 { "help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH, 254 "Display this message", "[command]", (void *)Commands }, 255 { NULL, "down", DownCommand, LOCAL_AUTH, 256 "Generate down event", StrNull}, 257 { NULL, NULL, NULL }, 258 }; 259 260 extern int ReportCcpStatus(); 261 extern int ReportLcpStatus(); 262 extern int ReportIpcpStatus(); 263 extern int ReportProtStatus(); 264 extern int ReportCompress(); 265 extern int ShowModemStatus(); 266 extern int ReportHdlcStatus(); 267 extern int ShowMemMap(); 268 269 static char *LogLevelName[] = { 270 LM_PHASE, LM_CHAT, LM_LQM, LM_LCP, 271 LM_TCPIP, LM_HDLC, LM_ASYNC, 272 }; 273 274 static int ShowDebugLevel() 275 { 276 int i; 277 278 printf("%02x: ", loglevel); 279 for (i = LOG_PHASE; i < MAXLOGLEVEL; i++) { 280 if (loglevel & (1 << i)) 281 printf("%s ", LogLevelName[i]); 282 } 283 printf("\n"); 284 return(1); 285 } 286 287 static int ShowEscape() 288 { 289 int code, bit; 290 291 if (EscMap[32]) { 292 for (code = 0; code < 32; code++) { 293 if (EscMap[code]) { 294 for (bit = 0; bit < 8; bit++) { 295 if (EscMap[code] & (1<<bit)) { 296 printf(" 0x%02x", (code << 3) + bit); 297 } 298 } 299 } 300 } 301 printf("\n"); 302 } 303 return(1); 304 } 305 306 static int ShowTimeout() 307 { 308 printf(" Idle Timer: %d secs LQR Timer: %d secs Retry Timer: %d secs\n", 309 VarIdleTimeout, VarLqrTimeout, VarRetryTimeout); 310 return(1); 311 } 312 313 static int ShowAuthKey() 314 { 315 printf("AuthName = %s\n", VarAuthName); 316 printf("AuthKey = %s\n", VarAuthKey); 317 return(1); 318 } 319 320 static int ShowVersion() 321 { 322 extern char VarVersion[]; 323 extern char VarLocalVersion[]; 324 325 printf("%s - %s \n", VarVersion, VarLocalVersion); 326 return(1); 327 } 328 329 static int ShowLogList() 330 { 331 ListLog(); 332 return(1); 333 } 334 335 static int ShowRedial() 336 { 337 printf(" Redial Timer: "); 338 339 if (VarRedialTimeout >= 0) { 340 printf(" %d seconds, ", VarRedialTimeout); 341 } 342 else { 343 printf(" Random 0 - %d seconds, ", REDIAL_PERIOD); 344 } 345 346 if (VarDialTries) 347 printf("%d dial tries", VarDialTries); 348 349 printf("\n"); 350 351 return(1); 352 } 353 354 355 extern int ShowIfilter(), ShowOfilter(), ShowDfilter(), ShowAfilter(); 356 357 struct cmdtab const ShowCommands[] = { 358 { "afilter", NULL, ShowAfilter, LOCAL_AUTH, 359 "Show keep Alive filters", StrOption}, 360 { "auth", NULL, ShowAuthKey, LOCAL_AUTH, 361 "Show auth name/key", StrNull}, 362 { "ccp", NULL, ReportCcpStatus, LOCAL_AUTH, 363 "Show CCP status", StrNull}, 364 { "compress", NULL, ReportCompress, LOCAL_AUTH, 365 "Show compression statictics", StrNull}, 366 { "debug", NULL, ShowDebugLevel, LOCAL_AUTH, 367 "Show current debug level", StrNull}, 368 { "dfilter", NULL, ShowDfilter, LOCAL_AUTH, 369 "Show Demand filters", StrOption}, 370 { "escape", NULL, ShowEscape, LOCAL_AUTH, 371 "Show escape characters", StrNull}, 372 { "hdlc", NULL, ReportHdlcStatus, LOCAL_AUTH, 373 "Show HDLC error summary", StrNull}, 374 { "ifilter", NULL, ShowIfilter, LOCAL_AUTH, 375 "Show Input filters", StrOption}, 376 { "ipcp", NULL, ReportIpcpStatus, LOCAL_AUTH, 377 "Show IPCP status", StrNull}, 378 { "lcp", NULL, ReportLcpStatus, LOCAL_AUTH, 379 "Show LCP status", StrNull}, 380 { "log", NULL, ShowLogList, LOCAL_AUTH, 381 "Show log records", StrNull}, 382 { "mem", NULL, ShowMemMap, LOCAL_AUTH, 383 "Show memory map", StrNull}, 384 { "modem", NULL, ShowModemStatus, LOCAL_AUTH, 385 "Show modem setups", StrNull}, 386 { "ofilter", NULL, ShowOfilter, LOCAL_AUTH, 387 "Show Output filters", StrOption}, 388 { "proto", NULL, ReportProtStatus, LOCAL_AUTH, 389 "Show protocol summary", StrNull}, 390 { "route", NULL, ShowRoute, LOCAL_AUTH, 391 "Show routing table", StrNull}, 392 { "timeout", NULL, ShowTimeout, LOCAL_AUTH, 393 "Show Idle timeout value", StrNull}, 394 { "redial", NULL, ShowRedial, LOCAL_AUTH, 395 "Show Redial timeout value", StrNull}, 396 { "version", NULL, ShowVersion, LOCAL_NO_AUTH | LOCAL_AUTH, 397 "Show version string", StrNull}, 398 { "help", "?", HelpCommand, LOCAL_NO_AUTH | LOCAL_AUTH, 399 "Display this message", StrNull, (void *)ShowCommands}, 400 { NULL, NULL, NULL }, 401 }; 402 403 struct cmdtab * 404 FindCommand(cmds, str, pmatch) 405 struct cmdtab *cmds; 406 char *str; 407 int *pmatch; 408 { 409 int nmatch = 0; 410 int len = strlen(str); 411 struct cmdtab *found = NULL; 412 413 while (cmds->func) { 414 if (cmds->name && strncmp(str, cmds->name, len) == 0) { 415 nmatch++; 416 found = cmds; 417 } else if (cmds->alias && strncmp(str, cmds->alias, len) == 0) { 418 nmatch++; 419 found = cmds; 420 } 421 cmds++; 422 } 423 *pmatch = nmatch; 424 return(found); 425 } 426 427 int 428 FindExec(cmdlist, argc, argv) 429 struct cmdtab *cmdlist; 430 int argc; 431 char **argv; 432 { 433 struct cmdtab *cmd; 434 int val = 1; 435 int nmatch; 436 437 cmd = FindCommand(cmdlist, *argv, &nmatch); 438 if (nmatch > 1) 439 printf("Ambiguous.\n"); 440 else if (cmd && ( cmd->lauth & VarLocalAuth ) ) 441 val = (cmd->func)(cmd, --argc, ++argv, cmd->args); 442 else 443 printf("what?\n"); 444 return(val); 445 } 446 447 void 448 Prompt(flag) 449 int flag; 450 { 451 char *pconnect, *pauth; 452 453 if (!(mode & MODE_INTER)) 454 return; 455 456 if (flag) printf("\n"); 457 458 if ( VarLocalAuth == LOCAL_AUTH ) 459 pauth = " ON "; 460 else 461 pauth = " on "; 462 if (IpcpFsm.state == ST_OPENED && phase == PHASE_NETWORK) 463 pconnect = "PPP"; 464 else 465 pconnect = "ppp"; 466 printf("%s%s%s> ", pconnect, pauth, VarShortHost); 467 fflush(stdout); 468 } 469 470 void 471 DecodeCommand(buff, nb, prompt) 472 char *buff; 473 int nb; 474 int prompt; 475 { 476 char *vector[20]; 477 char **argv; 478 int argc, val; 479 char *cp; 480 481 val = 1; 482 if (nb > 0) { 483 cp = buff + strcspn(buff, "\r\n"); 484 if (cp) 485 *cp = '\0'; 486 { 487 argc = MakeArgs(buff, &vector); 488 argv = vector; 489 490 if (argc > 0) 491 val = FindExec(Commands, argc, argv); 492 } 493 } 494 if (val && prompt) 495 Prompt(0); 496 } 497 498 static int 499 ShowCommand(list, argc, argv) 500 struct cmdtab *list; 501 int argc; 502 char **argv; 503 { 504 int val = 1; 505 506 if (argc > 0) 507 val = FindExec(ShowCommands, argc, argv); 508 else 509 printf("Use ``show ?'' to get a list.\n"); 510 return(val); 511 } 512 513 static int 514 TerminalCommand() 515 { 516 if (LcpFsm.state > ST_CLOSED) { 517 printf("LCP state is [%s]\n", StateNames[LcpFsm.state]); 518 return(1); 519 } 520 if (!IsInteractive()) 521 return(1); 522 modem = OpenModem(mode); 523 if (modem < 0) { 524 printf("failed to open modem.\n"); 525 modem = 0; 526 return(1); 527 } 528 printf("Enter to terminal mode.\n"); 529 printf("Type `~?' for help.\n"); 530 TtyTermMode(); 531 return(0); 532 } 533 534 static int 535 QuitCommand(list, argc, argv) 536 struct cmdtab *list; 537 int argc; 538 char **argv; 539 { 540 if (mode & (MODE_DIRECT|MODE_DEDICATED|MODE_AUTO)) { 541 if (argc > 0 && (VarLocalAuth & LOCAL_AUTH)) { 542 Cleanup(EX_NORMAL); 543 } else { 544 VarLocalAuth = LOCAL_NO_AUTH; 545 close(netfd); 546 close(1); 547 dup2(2, 1); /* Have to have something here or the modem will be 1 */ 548 netfd = -1; 549 mode &= ~MODE_INTER; 550 } 551 } else 552 Cleanup(EX_NORMAL); 553 return(1); 554 } 555 556 static int 557 CloseCommand() 558 { 559 LcpClose(); 560 return(1); 561 } 562 563 static int 564 DownCommand() 565 { 566 LcpDown(); 567 return(1); 568 } 569 570 static int SetModemSpeed(list, argc, argv) 571 struct cmdtab *list; 572 int argc; 573 char **argv; 574 { 575 int speed; 576 577 if (argc > 0) { 578 if (strcmp(*argv, "sync") == 0) { 579 VarSpeed = 0; 580 return(1); 581 } 582 speed = atoi(*argv); 583 if (IntToSpeed(speed) != B0) { 584 VarSpeed = speed; 585 return(1); 586 } 587 printf("invalid speed.\n"); 588 } 589 return(1); 590 } 591 592 static int SetRedialTimeout(list, argc, argv) 593 struct cmdtab *list; 594 int argc; 595 char **argv; 596 { 597 int timeout; 598 int tries; 599 600 if (argc == 1 || argc == 2 ) { 601 if (strcasecmp(argv[0], "random") == 0) { 602 VarRedialTimeout = -1; 603 printf("Using random redial timeout.\n"); 604 srandom(time(0)); 605 } 606 else { 607 timeout = atoi(argv[0]); 608 609 if (timeout >= 0) { 610 VarRedialTimeout = timeout; 611 } 612 else { 613 printf("invalid redial timeout\n"); 614 printf("Usage: %s %s\n", list->name, list->syntax); 615 } 616 } 617 if (argc == 2) { 618 tries = atoi(argv[1]); 619 620 if (tries >= 0) { 621 VarDialTries = tries; 622 } 623 else { 624 printf("invalid retry value\n"); 625 printf("Usage: %s %s\n", list->name, list->syntax); 626 } 627 } 628 } 629 else { 630 printf("Usage: %s %s\n", list->name, list->syntax); 631 } 632 return(1); 633 } 634 635 static int SetModemParity(list, argc, argv) 636 struct cmdtab *list; 637 int argc; 638 char **argv; 639 { 640 int parity; 641 642 if (argc > 0) { 643 parity = ChangeParity(*argv); 644 if (parity < 0) 645 printf("Invalid parity.\n"); 646 else 647 VarParity = parity; 648 } 649 return(1); 650 } 651 652 static int 653 SetDebugLevel(list, argc, argv) 654 struct cmdtab *list; 655 int argc; 656 char **argv; 657 { 658 int level, w; 659 660 for (level = 0; argc-- > 0; argv++) { 661 if (isdigit(**argv)) { 662 w = atoi(*argv); 663 if (w < 0 || w >= MAXLOGLEVEL) { 664 printf("invalid log level.\n"); 665 break; 666 } else 667 level |= (1 << w); 668 } else { 669 for (w = 0; w < MAXLOGLEVEL; w++) { 670 if (strcasecmp(*argv, LogLevelName[w]) == 0) { 671 level |= (1 << w); 672 continue; 673 } 674 } 675 } 676 } 677 loglevel = level; 678 return(1); 679 } 680 681 static int 682 SetEscape(list, argc, argv) 683 struct cmdtab *list; 684 int argc; 685 char **argv; 686 { 687 int code; 688 689 for (code = 0; code < 33; code++) 690 EscMap[code] = 0; 691 while (argc-- > 0) { 692 sscanf(*argv++, "%x", &code); 693 code &= 0xff; 694 EscMap[code >> 3] |= (1 << (code&7)); 695 EscMap[32] = 1; 696 } 697 return(1); 698 } 699 700 static int 701 SetInitialMRU(list, argc, argv) 702 struct cmdtab *list; 703 int argc; 704 char **argv; 705 { 706 int mru; 707 708 if (argc > 0) { 709 mru = atoi(*argv); 710 if (mru < 100) 711 printf("given value is too small.\n"); 712 else if (mru > MAX_MRU) 713 printf("given value is too big.\n"); 714 else 715 VarMRU = mru; 716 } 717 return(1); 718 } 719 720 static int 721 SetIdleTimeout(list, argc, argv) 722 struct cmdtab *list; 723 int argc; 724 char **argv; 725 { 726 if (argc-- > 0) { 727 VarIdleTimeout = atoi(*argv++); 728 if (argc-- > 0) { 729 VarLqrTimeout = atoi(*argv++); 730 if (VarLqrTimeout < 1) 731 VarLqrTimeout = 30; 732 if (argc > 0) { 733 VarRetryTimeout = atoi(*argv); 734 if (VarRetryTimeout < 1 || VarRetryTimeout > 10) 735 VarRetryTimeout = 3; 736 } 737 } 738 } 739 return(1); 740 } 741 742 struct in_addr 743 GetIpAddr(cp) 744 char *cp; 745 { 746 struct hostent *hp; 747 struct in_addr ipaddr; 748 749 hp = gethostbyname(cp); 750 if (hp && hp->h_addrtype == AF_INET) 751 bcopy(hp->h_addr, &ipaddr, hp->h_length); 752 else if (inet_aton(cp, &ipaddr) == 0) 753 ipaddr.s_addr = 0; 754 return(ipaddr); 755 } 756 757 static int 758 SetInterfaceAddr(list, argc, argv) 759 struct cmdtab *list; 760 int argc; 761 char **argv; 762 { 763 764 DefMyAddress.ipaddr.s_addr = DefHisAddress.ipaddr.s_addr = 0L; 765 if (argc > 0) { 766 ParseAddr(argc, argv++, 767 &DefMyAddress.ipaddr, &DefMyAddress.mask, &DefMyAddress.width); 768 if (--argc > 0) { 769 ParseAddr(argc, argv++, 770 &DefHisAddress.ipaddr, &DefHisAddress.mask, &DefHisAddress.width); 771 if (--argc > 0) { 772 ifnetmask = GetIpAddr(*argv); 773 if (--argc > 0) { 774 ParseAddr(argc, argv++, 775 &DefTriggerAddress.ipaddr, 776 &DefTriggerAddress.mask, 777 &DefTriggerAddress.width); 778 } 779 } 780 } 781 } 782 /* 783 * For backwards compatibility, 0.0.0.0 means any address. 784 */ 785 if (DefMyAddress.ipaddr.s_addr == 0) { 786 DefMyAddress.mask.s_addr = 0; 787 DefMyAddress.width = 0; 788 } 789 if (DefHisAddress.ipaddr.s_addr == 0) { 790 DefHisAddress.mask.s_addr = 0; 791 DefHisAddress.width = 0; 792 } 793 794 if ((mode & MODE_AUTO) || 795 ((mode & MODE_DEDICATED) && dstsystem)) { 796 OsSetIpaddress(DefMyAddress.ipaddr, DefHisAddress.ipaddr, ifnetmask); 797 } 798 return(1); 799 } 800 801 802 #define VAR_AUTHKEY 0 803 #define VAR_DIAL 1 804 #define VAR_LOGIN 2 805 #define VAR_AUTHNAME 3 806 #define VAR_DEVICE 4 807 #define VAR_ACCMAP 5 808 #define VAR_PHONE 6 809 810 static int 811 SetVariable(list, argc, argv, param) 812 struct cmdtab *list; 813 int argc; 814 char **argv; 815 int param; 816 { 817 u_long map; 818 819 if (argc > 0) { 820 switch (param) { 821 case VAR_AUTHKEY: 822 strncpy(VarAuthKey, *argv, sizeof(VarAuthKey)-1); 823 break; 824 case VAR_AUTHNAME: 825 strncpy(VarAuthName, *argv, sizeof(VarAuthName)-1); 826 break; 827 case VAR_DIAL: 828 strncpy(VarDialScript, *argv, sizeof(VarDialScript)-1); 829 break; 830 case VAR_LOGIN: 831 strncpy(VarLoginScript, *argv, sizeof(VarDialScript)-1); 832 break; 833 case VAR_DEVICE: 834 strncpy(VarDevice, *argv, sizeof(VarDevice)-1); 835 break; 836 case VAR_ACCMAP: 837 sscanf(*argv, "%lx", &map); 838 VarAccmap = map; 839 break; 840 case VAR_PHONE: 841 strncpy(VarPhone, *argv, sizeof(VarPhone)-1); 842 break; 843 } 844 } 845 return(1); 846 } 847 848 static int SetOpenMode(list, argc, argv) 849 struct cmdtab *list; 850 int argc; 851 char **argv; 852 { 853 if (argc > 0) { 854 if (strcmp(*argv, "active") == 0) 855 VarOpenMode = OPEN_ACTIVE; 856 else if (strcmp(*argv, "passive") == 0) 857 VarOpenMode = OPEN_PASSIVE; 858 else 859 printf("Invalid mode.\n"); 860 } 861 return(1); 862 } 863 864 static char StrChatStr[] = "chat-script"; 865 static char StrValue[] = "value"; 866 867 extern int SetIfilter(), SetOfilter(), SetDfilter(), SetAfilter(); 868 869 struct cmdtab const SetCommands[] = { 870 { "accmap", NULL, SetVariable, LOCAL_AUTH, 871 "Set accmap value", "hex-value", (void *)VAR_ACCMAP}, 872 { "afilter", NULL, SetAfilter, LOCAL_AUTH, 873 "Set keep Alive filter", "..."}, 874 { "authkey", "key", SetVariable, LOCAL_AUTH, 875 "Set authentication key", "key", (void *)VAR_AUTHKEY}, 876 { "authname", NULL, SetVariable, LOCAL_AUTH, 877 "Set authentication name", "name", (void *)VAR_AUTHNAME}, 878 { "debug", NULL, SetDebugLevel, LOCAL_AUTH, 879 "Set debug level", StrValue}, 880 { "device", "line", SetVariable, LOCAL_AUTH, 881 "Set modem device name", "device-name", (void *)VAR_DEVICE}, 882 { "dfilter", NULL, SetDfilter, LOCAL_AUTH, 883 "Set demand filter", "..."}, 884 { "dial", NULL, SetVariable, LOCAL_AUTH, 885 "Set dialing script", StrChatStr, (void *)VAR_DIAL}, 886 { "escape", NULL, SetEscape, LOCAL_AUTH, 887 "Set escape characters", "hex-digit ..."}, 888 { "ifaddr", NULL, SetInterfaceAddr, LOCAL_AUTH, 889 "Set destination address", "src-addr dst-addr netmask"}, 890 { "ifilter", NULL, SetIfilter, LOCAL_AUTH, 891 "Set input filter", "..."}, 892 { "login", NULL, SetVariable, LOCAL_AUTH, 893 "Set login script", StrChatStr, (void *)VAR_LOGIN }, 894 { "mru", "mtu", SetInitialMRU, LOCAL_AUTH, 895 "Set Initial MRU value", StrValue }, 896 { "ofilter", NULL, SetOfilter, LOCAL_AUTH, 897 "Set output filter", "..." }, 898 { "openmode", NULL, SetOpenMode, LOCAL_AUTH, 899 "Set open mode", "[active|passive]"}, 900 { "parity", NULL, SetModemParity, LOCAL_AUTH, 901 "Set modem parity", "[odd|even|none]"}, 902 { "phone", NULL, SetVariable, LOCAL_AUTH, 903 "Set telephone number", "phone-number", (void *)VAR_PHONE }, 904 { "speed", NULL, SetModemSpeed, LOCAL_AUTH, 905 "Set modem speed", "speed"}, 906 { "timeout", NULL, SetIdleTimeout, LOCAL_AUTH, 907 "Set Idle timeout", StrValue}, 908 { "redial", NULL, SetRedialTimeout, LOCAL_AUTH, 909 "Set Redial timeout", "value|random [dial_attempts]"}, 910 { "help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH, 911 "Display this message", StrNull, (void *)SetCommands}, 912 { NULL, NULL, NULL }, 913 }; 914 915 static int 916 SetCommand(list, argc, argv) 917 struct cmdtab *list; 918 int argc; 919 char **argv; 920 { 921 int val = 1; 922 923 if (argc > 0) 924 val = FindExec(SetCommands, argc, argv); 925 else 926 printf("Use ``set ?'' to get a list.\n"); 927 return(val); 928 } 929 930 931 static int 932 AddCommand(list, argc, argv) 933 struct cmdtab *list; 934 int argc; 935 char **argv; 936 { 937 struct in_addr dest, gateway, netmask; 938 939 if (argc == 3) { 940 dest = GetIpAddr(argv[0]); 941 netmask = GetIpAddr(argv[1]); 942 if (strcmp(argv[2], "HISADDR") == 0) 943 gateway = IpcpInfo.his_ipaddr; 944 else 945 gateway = GetIpAddr(argv[2]); 946 OsSetRoute(RTM_ADD, dest, gateway, netmask); 947 } else { 948 printf("Usage: %s %s\n", list->name, list->syntax); 949 } 950 return(1); 951 } 952 953 static int 954 DeleteCommand(list, argc, argv) 955 struct cmdtab *list; 956 int argc; 957 char **argv; 958 { 959 struct in_addr dest, gateway, netmask; 960 961 if (argc >= 2) { 962 dest = GetIpAddr(argv[0]); 963 if (strcmp(argv[1], "HISADDR") == 0) 964 gateway = IpcpInfo.his_ipaddr; 965 else 966 gateway = GetIpAddr(argv[1]); 967 netmask.s_addr = 0; 968 if (argc == 3) { 969 if (inet_aton(argv[1], &netmask) == 0) { 970 printf("bad netmask value.\n"); 971 return(1); 972 } 973 } 974 OsSetRoute(RTM_DELETE, dest, gateway, netmask); 975 } else if (argc == 1 && strcmp(argv[0], "ALL") == 0) { 976 DeleteIfRoutes(0); 977 } else { 978 printf("Usage: %s %s\n", list->name, list->syntax); 979 } 980 return(1); 981 } 982 983