main.c revision 1.50
1 /* $NetBSD: main.c,v 1.50 1999/09/22 07:18:36 lukem Exp $ */ 2 3 /* 4 * Copyright (C) 1997 and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1985, 1989, 1993, 1994 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 */ 64 65 #include <sys/cdefs.h> 66 #ifndef lint 67 __COPYRIGHT("@(#) Copyright (c) 1985, 1989, 1993, 1994\n\ 68 The Regents of the University of California. All rights reserved.\n"); 69 #endif /* not lint */ 70 71 #ifndef lint 72 #if 0 73 static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 10/9/94"; 74 #else 75 __RCSID("$NetBSD: main.c,v 1.50 1999/09/22 07:18:36 lukem Exp $"); 76 #endif 77 #endif /* not lint */ 78 79 /* 80 * FTP User Program -- Command Interface. 81 */ 82 #include <sys/types.h> 83 #include <sys/socket.h> 84 85 #include <err.h> 86 #include <netdb.h> 87 #include <pwd.h> 88 #include <signal.h> 89 #include <stdio.h> 90 #include <stdlib.h> 91 #include <string.h> 92 #include <unistd.h> 93 94 #include "ftp_var.h" 95 #include "pathnames.h" 96 97 #define FTP_PROXY "ftp_proxy" /* env var with FTP proxy location */ 98 #define HTTP_PROXY "http_proxy" /* env var with HTTP proxy location */ 99 #define NO_PROXY "no_proxy" /* env var with list of non-proxied 100 * hosts, comma or space separated */ 101 102 int main __P((int, char **)); 103 104 int 105 main(argc, argv) 106 int argc; 107 char *argv[]; 108 { 109 int ch, top, rval; 110 struct passwd *pw = NULL; 111 char *cp, *ep, homedir[MAXPATHLEN]; 112 int dumbterm, s, len; 113 114 ftpport = "ftp"; 115 httpport = "http"; 116 ftpproxy = getenv(FTP_PROXY); 117 httpproxy = getenv(HTTP_PROXY); 118 no_proxy = getenv(NO_PROXY); 119 gateport = NULL; 120 cp = getenv("FTPSERVERPORT"); 121 if (cp != NULL) 122 gateport = cp; 123 else 124 gateport = "ftpgate"; 125 doglob = 1; 126 interactive = 1; 127 autologin = 1; 128 passivemode = 1; 129 activefallback = 1; 130 preserve = 1; 131 verbose = 0; 132 progress = 0; 133 gatemode = 0; 134 outfile = NULL; 135 restartautofetch = 0; 136 #ifndef NO_EDITCOMPLETE 137 editing = 0; 138 el = NULL; 139 hist = NULL; 140 #endif 141 mark = HASHBYTES; 142 rate_get = 0; 143 rate_get_incr = DEFAULTINCR; 144 rate_put = 0; 145 rate_put_incr = DEFAULTINCR; 146 #ifdef INET6 147 epsv4 = 1; 148 #else 149 epsv4 = 0; 150 #endif 151 152 /* 153 * Get the default socket buffer sizes if we don't already have them. 154 * It doesn't matter which socket we do this to, because on the first 155 * call no socket buffer sizes will have been modified, so we are 156 * guaranteed to get the system defaults. 157 */ 158 s = socket(AF_INET, SOCK_STREAM, 0); 159 if (s == -1) 160 err(1, "can't create socket"); 161 len = sizeof(sndbuf_size); 162 if (getsockopt(s, SOL_SOCKET, SO_SNDBUF, (void *) &sndbuf_size, &len) 163 < 0) 164 err(1, "unable to get default sndbuf size"); 165 len = sizeof(rcvbuf_size); 166 if (getsockopt(s, SOL_SOCKET, SO_RCVBUF, (void *) &rcvbuf_size, &len) 167 < 0) 168 err(1, "unable to get default rcvbuf size"); 169 close(s); 170 171 marg_sl = sl_init(); 172 if ((tmpdir = getenv("TMPDIR")) == NULL) 173 tmpdir = _PATH_TMP; 174 175 /* Set default operation mode based on FTPMODE environment variable */ 176 if ((cp = getenv("FTPMODE")) != NULL) { 177 if (strcmp(cp, "passive") == 0) { 178 passivemode = 1; 179 activefallback = 0; 180 } else if (strcmp(cp, "active") == 0) { 181 passivemode = 0; 182 activefallback = 0; 183 } else if (strcmp(cp, "gate") == 0) { 184 gatemode = 1; 185 } else if (strcmp(cp, "auto") == 0) { 186 passivemode = 1; 187 activefallback = 1; 188 } else 189 warnx("unknown $FTPMODE '%s'; using defaults", cp); 190 } 191 192 if (strcmp(__progname, "pftp") == 0) { 193 passivemode = 1; 194 activefallback = 0; 195 } else if (strcmp(__progname, "gate-ftp") == 0) 196 gatemode = 1; 197 198 gateserver = getenv("FTPSERVER"); 199 if (gateserver == NULL || *gateserver == '\0') 200 gateserver = GATE_SERVER; 201 if (gatemode) { 202 if (*gateserver == '\0') { 203 warnx( 204 "Neither $FTPSERVER nor GATE_SERVER is defined; disabling gate-ftp"); 205 gatemode = 0; 206 } 207 } 208 209 cp = getenv("TERM"); 210 if (cp == NULL || strcmp(cp, "dumb") == 0) 211 dumbterm = 1; 212 else 213 dumbterm = 0; 214 fromatty = isatty(fileno(stdin)); 215 ttyout = stdout; 216 if (isatty(fileno(ttyout))) { 217 verbose = 1; /* verbose if to a tty */ 218 if (! dumbterm) { 219 #ifndef NO_EDITCOMPLETE 220 if (fromatty) /* editing mode on if tty is usable */ 221 editing = 1; 222 #endif 223 #ifndef NO_PROGRESS 224 if (foregroundproc()) 225 progress = 1; /* progress bar on if fg */ 226 #endif 227 } 228 } 229 230 while ((ch = getopt(argc, argv, "Aadefgino:pP:r:RtT:vV")) != -1) { 231 switch (ch) { 232 case 'A': 233 activefallback = 0; 234 passivemode = 0; 235 break; 236 237 case 'a': 238 anonftp = 1; 239 break; 240 241 case 'd': 242 options |= SO_DEBUG; 243 debug++; 244 break; 245 246 case 'e': 247 #ifndef NO_EDITCOMPLETE 248 editing = 0; 249 #endif 250 break; 251 252 case 'f': 253 flushcache = 1; 254 break; 255 256 case 'g': 257 doglob = 0; 258 break; 259 260 case 'i': 261 interactive = 0; 262 break; 263 264 case 'n': 265 autologin = 0; 266 break; 267 268 case 'o': 269 outfile = optarg; 270 if (strcmp(outfile, "-") == 0) 271 ttyout = stderr; 272 break; 273 274 case 'p': 275 passivemode = 1; 276 activefallback = 0; 277 break; 278 279 case 'P': 280 ftpport = optarg; 281 break; 282 283 case 'r': 284 retry_connect = strtol(optarg, &ep, 10); 285 if (retry_connect < 1 || *ep != '\0') 286 errx(1, "bad retry value: %s", optarg); 287 break; 288 289 case 'R': 290 restartautofetch = 1; 291 break; 292 293 case 't': 294 trace = 1; 295 break; 296 297 case 'T': 298 { 299 int targc; 300 char *targv[6], *oac; 301 302 /* look for `dir,max[,incr]' */ 303 targc = 0; 304 targv[targc++] = "-T"; 305 oac = xstrdup(optarg); 306 307 while ((cp = strsep(&oac, ",")) != NULL) { 308 if (*cp == '\0') { 309 warnx("bad throttle value: %s", optarg); 310 usage(); 311 /* NOTREACHED */ 312 } 313 targv[targc++] = cp; 314 if (targc >= 5) 315 break; 316 } 317 if (parserate(targc, targv, 1) == -1) 318 usage(); 319 free(oac); 320 break; 321 } 322 323 case 'v': 324 progress = verbose = 1; 325 break; 326 327 case 'V': 328 progress = verbose = 0; 329 break; 330 331 default: 332 usage(); 333 } 334 } 335 /* set line buffering on ttyout */ 336 setvbuf(ttyout, NULL, _IOLBF, 0); 337 argc -= optind; 338 argv += optind; 339 340 cpend = 0; /* no pending replies */ 341 proxy = 0; /* proxy not active */ 342 crflag = 1; /* strip c.r. on ascii gets */ 343 sendport = -1; /* not using ports */ 344 /* 345 * Set up the home directory in case we're globbing. 346 */ 347 cp = getlogin(); 348 if (cp != NULL) { 349 pw = getpwnam(cp); 350 } 351 if (pw == NULL) 352 pw = getpwuid(getuid()); 353 if (pw != NULL) { 354 home = homedir; 355 (void)strcpy(home, pw->pw_dir); 356 } 357 358 setttywidth(0); 359 (void)xsignal(SIGWINCH, setttywidth); 360 (void)xsignal(SIGUSR1, crankrate); 361 (void)xsignal(SIGUSR2, crankrate); 362 363 #ifdef __GNUC__ /* to shut up gcc warnings */ 364 (void)&argc; 365 (void)&argv; 366 #endif 367 368 if (argc > 0) { 369 if (strchr(argv[0], ':') != NULL && ! isipv6addr(argv[0])) { 370 rval = auto_fetch(argc, argv); 371 if (rval >= 0) /* -1 == connected and cd-ed */ 372 exit(rval); 373 } else { 374 char *xargv[5]; 375 376 if (setjmp(toplevel)) 377 exit(0); 378 (void)signal(SIGINT, (sig_t)intr); 379 (void)signal(SIGPIPE, (sig_t)lostpeer); 380 xargv[0] = __progname; 381 xargv[1] = argv[0]; 382 xargv[2] = argv[1]; 383 xargv[3] = argv[2]; 384 xargv[4] = NULL; 385 do { 386 setpeer(argc+1, xargv); 387 if (!retry_connect) 388 break; 389 if (!connected) { 390 macnum = 0; 391 fprintf(ttyout, 392 "Retrying in %d seconds...\n", 393 retry_connect); 394 sleep(retry_connect); 395 } 396 } while (!connected); 397 retry_connect = 0; /* connected, stop hiding msgs */ 398 } 399 } 400 #ifndef NO_EDITCOMPLETE 401 controlediting(); 402 #endif /* !NO_EDITCOMPLETE */ 403 top = setjmp(toplevel) == 0; 404 if (top) { 405 (void)signal(SIGINT, (sig_t)intr); 406 (void)signal(SIGPIPE, (sig_t)lostpeer); 407 } 408 for (;;) { 409 cmdscanner(top); 410 top = 1; 411 } 412 } 413 414 void 415 intr() 416 { 417 418 alarmtimer(0); 419 longjmp(toplevel, 1); 420 } 421 422 void 423 lostpeer() 424 { 425 426 alarmtimer(0); 427 if (connected) { 428 if (cout != NULL) { 429 (void)shutdown(fileno(cout), 1+1); 430 (void)fclose(cout); 431 cout = NULL; 432 } 433 if (data >= 0) { 434 (void)shutdown(data, 1+1); 435 (void)close(data); 436 data = -1; 437 } 438 connected = 0; 439 } 440 pswitch(1); 441 if (connected) { 442 if (cout != NULL) { 443 (void)shutdown(fileno(cout), 1+1); 444 (void)fclose(cout); 445 cout = NULL; 446 } 447 connected = 0; 448 } 449 proxflag = 0; 450 pswitch(0); 451 } 452 453 /* 454 * Generate a prompt 455 */ 456 char * 457 prompt() 458 { 459 return ("ftp> "); 460 } 461 462 /* 463 * Command parser. 464 */ 465 void 466 cmdscanner(top) 467 int top; 468 { 469 struct cmd *c; 470 int num; 471 472 if (!top 473 #ifndef NO_EDITCOMPLETE 474 && !editing 475 #endif /* !NO_EDITCOMPLETE */ 476 ) 477 (void)putc('\n', ttyout); 478 for (;;) { 479 #ifndef NO_EDITCOMPLETE 480 if (!editing) { 481 #endif /* !NO_EDITCOMPLETE */ 482 if (fromatty) { 483 fputs(prompt(), ttyout); 484 (void)fflush(ttyout); 485 } 486 if (fgets(line, sizeof(line), stdin) == NULL) 487 quit(0, 0); 488 num = strlen(line); 489 if (num == 0) 490 break; 491 if (line[--num] == '\n') { 492 if (num == 0) 493 break; 494 line[num] = '\0'; 495 } else if (num == sizeof(line) - 2) { 496 fputs("sorry, input line too long.\n", ttyout); 497 while ((num = getchar()) != '\n' && num != EOF) 498 /* void */; 499 break; 500 } /* else it was a line without a newline */ 501 #ifndef NO_EDITCOMPLETE 502 } else { 503 const char *buf; 504 HistEvent ev; 505 cursor_pos = NULL; 506 507 if ((buf = el_gets(el, &num)) == NULL || num == 0) 508 quit(0, 0); 509 if (buf[--num] == '\n') { 510 if (num == 0) 511 break; 512 } else if (num >= sizeof(line)) { 513 fputs("sorry, input line too long.\n", ttyout); 514 break; 515 } 516 memcpy(line, buf, num); 517 line[num] = '\0'; 518 history(hist, &ev, H_ENTER, buf); 519 } 520 #endif /* !NO_EDITCOMPLETE */ 521 522 makeargv(); 523 if (margc == 0) 524 continue; 525 c = getcmd(margv[0]); 526 if (c == (struct cmd *)-1) { 527 fputs("?Ambiguous command.\n", ttyout); 528 continue; 529 } 530 if (c == NULL) { 531 #if !defined(NO_EDITCOMPLETE) 532 /* 533 * attempt to el_parse() unknown commands. 534 * any command containing a ':' would be parsed 535 * as "[prog:]cmd ...", and will result in a 536 * false positive if prog != "ftp", so treat 537 * such commands as invalid. 538 */ 539 if (strchr(margv[0], ':') != NULL || 540 el_parse(el, margc, margv) != 0) 541 #endif /* !NO_EDITCOMPLETE */ 542 fputs("?Invalid command.\n", ttyout); 543 continue; 544 } 545 if (c->c_conn && !connected) { 546 fputs("Not connected.\n", ttyout); 547 continue; 548 } 549 confirmrest = 0; 550 (*c->c_handler)(margc, margv); 551 if (bell && c->c_bell) 552 (void)putc('\007', ttyout); 553 if (c->c_handler != help) 554 break; 555 } 556 (void)signal(SIGINT, (sig_t)intr); 557 (void)signal(SIGPIPE, (sig_t)lostpeer); 558 } 559 560 struct cmd * 561 getcmd(name) 562 const char *name; 563 { 564 const char *p, *q; 565 struct cmd *c, *found; 566 int nmatches, longest; 567 568 if (name == NULL) 569 return (0); 570 571 longest = 0; 572 nmatches = 0; 573 found = 0; 574 for (c = cmdtab; (p = c->c_name) != NULL; c++) { 575 for (q = name; *q == *p++; q++) 576 if (*q == 0) /* exact match? */ 577 return (c); 578 if (!*q) { /* the name was a prefix */ 579 if (q - name > longest) { 580 longest = q - name; 581 nmatches = 1; 582 found = c; 583 } else if (q - name == longest) 584 nmatches++; 585 } 586 } 587 if (nmatches > 1) 588 return ((struct cmd *)-1); 589 return (found); 590 } 591 592 /* 593 * Slice a string up into argc/argv. 594 */ 595 596 int slrflag; 597 598 void 599 makeargv() 600 { 601 char *argp; 602 603 stringbase = line; /* scan from first of buffer */ 604 argbase = argbuf; /* store from first of buffer */ 605 slrflag = 0; 606 marg_sl->sl_cur = 0; /* reset to start of marg_sl */ 607 for (margc = 0; ; margc++) { 608 argp = slurpstring(); 609 sl_add(marg_sl, argp); 610 if (argp == NULL) 611 break; 612 } 613 #ifndef NO_EDITCOMPLETE 614 if (cursor_pos == line) { 615 cursor_argc = 0; 616 cursor_argo = 0; 617 } else if (cursor_pos != NULL) { 618 cursor_argc = margc; 619 cursor_argo = strlen(margv[margc-1]); 620 } 621 #endif /* !NO_EDITCOMPLETE */ 622 } 623 624 #ifdef NO_EDITCOMPLETE 625 #define INC_CHKCURSOR(x) (x)++ 626 #else /* !NO_EDITCOMPLETE */ 627 #define INC_CHKCURSOR(x) { (x)++ ; \ 628 if (x == cursor_pos) { \ 629 cursor_argc = margc; \ 630 cursor_argo = ap-argbase; \ 631 cursor_pos = NULL; \ 632 } } 633 634 #endif /* !NO_EDITCOMPLETE */ 635 636 /* 637 * Parse string into argbuf; 638 * implemented with FSM to 639 * handle quoting and strings 640 */ 641 char * 642 slurpstring() 643 { 644 int got_one = 0; 645 char *sb = stringbase; 646 char *ap = argbase; 647 char *tmp = argbase; /* will return this if token found */ 648 649 if (*sb == '!' || *sb == '$') { /* recognize ! as a token for shell */ 650 switch (slrflag) { /* and $ as token for macro invoke */ 651 case 0: 652 slrflag++; 653 INC_CHKCURSOR(stringbase); 654 return ((*sb == '!') ? "!" : "$"); 655 /* NOTREACHED */ 656 case 1: 657 slrflag++; 658 altarg = stringbase; 659 break; 660 default: 661 break; 662 } 663 } 664 665 S0: 666 switch (*sb) { 667 668 case '\0': 669 goto OUT; 670 671 case ' ': 672 case '\t': 673 INC_CHKCURSOR(sb); 674 goto S0; 675 676 default: 677 switch (slrflag) { 678 case 0: 679 slrflag++; 680 break; 681 case 1: 682 slrflag++; 683 altarg = sb; 684 break; 685 default: 686 break; 687 } 688 goto S1; 689 } 690 691 S1: 692 switch (*sb) { 693 694 case ' ': 695 case '\t': 696 case '\0': 697 goto OUT; /* end of token */ 698 699 case '\\': 700 INC_CHKCURSOR(sb); 701 goto S2; /* slurp next character */ 702 703 case '"': 704 INC_CHKCURSOR(sb); 705 goto S3; /* slurp quoted string */ 706 707 default: 708 *ap = *sb; /* add character to token */ 709 ap++; 710 INC_CHKCURSOR(sb); 711 got_one = 1; 712 goto S1; 713 } 714 715 S2: 716 switch (*sb) { 717 718 case '\0': 719 goto OUT; 720 721 default: 722 *ap = *sb; 723 ap++; 724 INC_CHKCURSOR(sb); 725 got_one = 1; 726 goto S1; 727 } 728 729 S3: 730 switch (*sb) { 731 732 case '\0': 733 goto OUT; 734 735 case '"': 736 INC_CHKCURSOR(sb); 737 goto S1; 738 739 default: 740 *ap = *sb; 741 ap++; 742 INC_CHKCURSOR(sb); 743 got_one = 1; 744 goto S3; 745 } 746 747 OUT: 748 if (got_one) 749 *ap++ = '\0'; 750 argbase = ap; /* update storage pointer */ 751 stringbase = sb; /* update scan pointer */ 752 if (got_one) { 753 return (tmp); 754 } 755 switch (slrflag) { 756 case 0: 757 slrflag++; 758 break; 759 case 1: 760 slrflag++; 761 altarg = NULL; 762 break; 763 default: 764 break; 765 } 766 return (NULL); 767 } 768 769 /* 770 * Help command. 771 * Call each command handler with argc == 0 and argv[0] == name. 772 */ 773 void 774 help(argc, argv) 775 int argc; 776 char *argv[]; 777 { 778 struct cmd *c; 779 780 if (argc == 1) { 781 StringList *buf; 782 783 buf = sl_init(); 784 fprintf(ttyout, 785 "%sommands may be abbreviated. Commands are:\n\n", 786 proxy ? "Proxy c" : "C"); 787 for (c = cmdtab; c < &cmdtab[NCMDS]; c++) 788 if (c->c_name && (!proxy || c->c_proxy)) 789 sl_add(buf, c->c_name); 790 list_vertical(buf); 791 sl_free(buf, 0); 792 return; 793 } 794 795 #define HELPINDENT ((int) sizeof("disconnect")) 796 797 while (--argc > 0) { 798 char *arg; 799 800 arg = *++argv; 801 c = getcmd(arg); 802 if (c == (struct cmd *)-1) 803 fprintf(ttyout, "?Ambiguous help command %s\n", arg); 804 else if (c == NULL) 805 fprintf(ttyout, "?Invalid help command %s\n", arg); 806 else 807 fprintf(ttyout, "%-*s\t%s\n", HELPINDENT, 808 c->c_name, c->c_help); 809 } 810 } 811 812 void 813 usage() 814 { 815 (void)fprintf(stderr, 816 "usage: %s [-AadefginpRtvV] [-r retry] [-o outfile] [-P port] [-T dir,max[,inc]\n" 817 " [host [port]] [file:///file] [ftp://[user[:pass]@]host[:port]/path[/]]\n" 818 " [http://[user[:pass]@]host[:port]/path] [host:path[/]]\n", __progname); 819 exit(1); 820 } 821
Indexes created Thu Sep 25 16:09:42 GMT 2025