Annotation of src/usr.bin/ftp/main.c, Revision 1.98
1.98 ! jmc 1: /* $NetBSD: main.c,v 1.97 2005/06/10 00:18:46 lukem Exp $ */
1.59 lukem 2:
3: /*-
1.97 lukem 4: * Copyright (c) 1996-2005 The NetBSD Foundation, Inc.
1.59 lukem 5: * All rights reserved.
6: *
7: * This code is derived from software contributed to The NetBSD Foundation
8: * by Luke Mewburn.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the NetBSD
21: * Foundation, Inc. and its contributors.
22: * 4. Neither the name of The NetBSD Foundation nor the names of its
23: * contributors may be used to endorse or promote products derived
24: * from this software without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
1.45 itojun 38:
39: /*
1.55 lukem 40: * Copyright (c) 1985, 1989, 1993, 1994
41: * The Regents of the University of California. All rights reserved.
42: *
1.45 itojun 43: * Redistribution and use in source and binary forms, with or without
44: * modification, are permitted provided that the following conditions
45: * are met:
46: * 1. Redistributions of source code must retain the above copyright
47: * notice, this list of conditions and the following disclaimer.
48: * 2. Redistributions in binary form must reproduce the above copyright
49: * notice, this list of conditions and the following disclaimer in the
50: * documentation and/or other materials provided with the distribution.
1.86 agc 51: * 3. Neither the name of the University nor the names of its contributors
1.45 itojun 52: * may be used to endorse or promote products derived from this software
53: * without specific prior written permission.
1.55 lukem 54: *
55: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1.45 itojun 56: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.55 lukem 58: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
1.45 itojun 59: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65: * SUCH DAMAGE.
66: */
1.12 lukem 67:
1.1 cgd 68: /*
1.55 lukem 69: * Copyright (C) 1997 and 1998 WIDE Project.
70: * All rights reserved.
1.91 lukem 71: *
1.1 cgd 72: * Redistribution and use in source and binary forms, with or without
73: * modification, are permitted provided that the following conditions
74: * are met:
75: * 1. Redistributions of source code must retain the above copyright
76: * notice, this list of conditions and the following disclaimer.
77: * 2. Redistributions in binary form must reproduce the above copyright
78: * notice, this list of conditions and the following disclaimer in the
79: * documentation and/or other materials provided with the distribution.
1.55 lukem 80: * 3. Neither the name of the project nor the names of its contributors
1.1 cgd 81: * may be used to endorse or promote products derived from this software
82: * without specific prior written permission.
1.91 lukem 83: *
1.55 lukem 84: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
1.1 cgd 85: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
86: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.55 lukem 87: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
1.1 cgd 88: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
89: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
90: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
91: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
92: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
93: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
94: * SUCH DAMAGE.
95: */
96:
1.23 lukem 97: #include <sys/cdefs.h>
1.1 cgd 98: #ifndef lint
1.23 lukem 99: __COPYRIGHT("@(#) Copyright (c) 1985, 1989, 1993, 1994\n\
100: The Regents of the University of California. All rights reserved.\n");
1.1 cgd 101: #endif /* not lint */
102:
103: #ifndef lint
1.8 tls 104: #if 0
105: static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 10/9/94";
106: #else
1.98 ! jmc 107: __RCSID("$NetBSD: main.c,v 1.97 2005/06/10 00:18:46 lukem Exp $");
1.8 tls 108: #endif
1.1 cgd 109: #endif /* not lint */
110:
111: /*
112: * FTP User Program -- Command Interface.
113: */
1.3 cgd 114: #include <sys/types.h>
1.1 cgd 115: #include <sys/socket.h>
116:
1.3 cgd 117: #include <err.h>
1.61 lukem 118: #include <errno.h>
1.1 cgd 119: #include <netdb.h>
1.56 lukem 120: #include <paths.h>
1.1 cgd 121: #include <pwd.h>
1.90 lukem 122: #include <signal.h>
1.3 cgd 123: #include <stdio.h>
1.22 lukem 124: #include <stdlib.h>
1.9 cgd 125: #include <string.h>
1.3 cgd 126: #include <unistd.h>
1.76 jdolecek 127: #include <locale.h>
1.1 cgd 128:
1.57 lukem 129: #define GLOBAL /* force GLOBAL decls in ftp_var.h to be declared */
1.3 cgd 130: #include "ftp_var.h"
1.1 cgd 131:
1.65 lukem 132: #define FTP_PROXY "ftp_proxy" /* env var with FTP proxy location */
133: #define HTTP_PROXY "http_proxy" /* env var with HTTP proxy location */
134: #define NO_PROXY "no_proxy" /* env var with list of non-proxied
1.35 lukem 135: * hosts, comma or space separated */
136:
1.70 lukem 137: static void setupoption(char *, char *, char *);
138: int main(int, char *[]);
1.23 lukem 139:
1.3 cgd 140: int
1.70 lukem 141: main(int argc, char *argv[])
1.1 cgd 142: {
1.64 lukem 143: int ch, rval;
1.74 lukem 144: struct passwd *pw;
1.71 lukem 145: char *cp, *ep, *anonuser, *anonpass, *upload_path;
1.95 lukem 146: int dumbterm, s, isupload;
147: size_t len;
1.93 lukem 148: socklen_t slen;
1.76 jdolecek 149:
150: setlocale(LC_ALL, "");
1.82 lukem 151: setprogname(argv[0]);
1.1 cgd 152:
1.90 lukem 153: sigint_raised = 0;
154:
1.45 itojun 155: ftpport = "ftp";
156: httpport = "http";
157: gateport = NULL;
1.24 lukem 158: cp = getenv("FTPSERVERPORT");
1.45 itojun 159: if (cp != NULL)
160: gateport = cp;
161: else
162: gateport = "ftpgate";
1.1 cgd 163: doglob = 1;
164: interactive = 1;
165: autologin = 1;
1.31 lukem 166: passivemode = 1;
167: activefallback = 1;
1.13 lukem 168: preserve = 1;
1.17 lukem 169: verbose = 0;
170: progress = 0;
1.24 lukem 171: gatemode = 0;
1.57 lukem 172: data = -1;
1.39 lukem 173: outfile = NULL;
174: restartautofetch = 0;
1.43 cgd 175: #ifndef NO_EDITCOMPLETE
1.18 lukem 176: editing = 0;
1.21 lukem 177: el = NULL;
178: hist = NULL;
1.18 lukem 179: #endif
1.60 lukem 180: bytes = 0;
1.12 lukem 181: mark = HASHBYTES;
1.44 lukem 182: rate_get = 0;
183: rate_get_incr = DEFAULTINCR;
184: rate_put = 0;
185: rate_put_incr = DEFAULTINCR;
1.49 lukem 186: #ifdef INET6
1.47 itojun 187: epsv4 = 1;
1.49 lukem 188: #else
189: epsv4 = 0;
190: #endif
1.58 lukem 191: epsv4bad = 0;
1.71 lukem 192: upload_path = NULL;
193: isupload = 0;
1.73 lukem 194: reply_callback = NULL;
1.78 lukem 195: family = AF_UNSPEC;
1.50 lukem 196:
1.74 lukem 197: netrc[0] = '\0';
198: cp = getenv("NETRC");
199: if (cp != NULL && strlcpy(netrc, cp, sizeof(netrc)) >= sizeof(netrc))
200: errx(1, "$NETRC `%s': %s", cp, strerror(ENAMETOOLONG));
201:
1.50 lukem 202: /*
203: * Get the default socket buffer sizes if we don't already have them.
204: * It doesn't matter which socket we do this to, because on the first
205: * call no socket buffer sizes will have been modified, so we are
206: * guaranteed to get the system defaults.
207: */
208: s = socket(AF_INET, SOCK_STREAM, 0);
209: if (s == -1)
210: err(1, "can't create socket");
1.94 lukem 211: slen = sizeof(rcvbuf_size);
212: if (getsockopt(s, SOL_SOCKET, SO_RCVBUF,
213: (void *)&rcvbuf_size, &slen) == -1)
1.51 lukem 214: err(1, "unable to get default rcvbuf size");
1.94 lukem 215: slen = sizeof(sndbuf_size);
216: if (getsockopt(s, SOL_SOCKET, SO_SNDBUF,
217: (void *)&sndbuf_size, &slen) == -1)
1.50 lukem 218: err(1, "unable to get default sndbuf size");
1.51 lukem 219: (void)close(s);
220: /* sanity check returned buffer sizes */
221: if (rcvbuf_size <= 0)
1.87 christos 222: rcvbuf_size = 8 * 1024;
1.51 lukem 223: if (sndbuf_size <= 0)
1.87 christos 224: sndbuf_size = 8 * 1024;
225:
226: if (sndbuf_size > 8 * 1024 * 1024)
227: sndbuf_size = 8 * 1024 * 1024;
228: if (rcvbuf_size > 8 * 1024 * 1024)
229: rcvbuf_size = 8 * 1024 * 1024;
1.44 lukem 230:
1.69 lukem 231: marg_sl = xsl_init();
1.25 lukem 232: if ((tmpdir = getenv("TMPDIR")) == NULL)
233: tmpdir = _PATH_TMP;
1.3 cgd 234:
1.31 lukem 235: /* Set default operation mode based on FTPMODE environment variable */
236: if ((cp = getenv("FTPMODE")) != NULL) {
1.65 lukem 237: if (strcasecmp(cp, "passive") == 0) {
1.31 lukem 238: passivemode = 1;
239: activefallback = 0;
1.65 lukem 240: } else if (strcasecmp(cp, "active") == 0) {
1.31 lukem 241: passivemode = 0;
242: activefallback = 0;
1.65 lukem 243: } else if (strcasecmp(cp, "gate") == 0) {
1.31 lukem 244: gatemode = 1;
1.65 lukem 245: } else if (strcasecmp(cp, "auto") == 0) {
1.31 lukem 246: passivemode = 1;
247: activefallback = 1;
248: } else
249: warnx("unknown $FTPMODE '%s'; using defaults", cp);
250: }
251:
1.77 cgd 252: if (strcmp(getprogname(), "pftp") == 0) {
1.15 lukem 253: passivemode = 1;
1.31 lukem 254: activefallback = 0;
1.77 cgd 255: } else if (strcmp(getprogname(), "gate-ftp") == 0)
1.24 lukem 256: gatemode = 1;
257:
258: gateserver = getenv("FTPSERVER");
259: if (gateserver == NULL || *gateserver == '\0')
260: gateserver = GATE_SERVER;
261: if (gatemode) {
262: if (*gateserver == '\0') {
263: warnx(
1.42 lukem 264: "Neither $FTPSERVER nor GATE_SERVER is defined; disabling gate-ftp");
1.24 lukem 265: gatemode = 0;
266: }
267: }
1.15 lukem 268:
1.22 lukem 269: cp = getenv("TERM");
270: if (cp == NULL || strcmp(cp, "dumb") == 0)
271: dumbterm = 1;
272: else
273: dumbterm = 0;
1.17 lukem 274: fromatty = isatty(fileno(stdin));
1.37 lukem 275: ttyout = stdout;
276: if (isatty(fileno(ttyout))) {
1.41 lukem 277: verbose = 1; /* verbose if to a tty */
1.37 lukem 278: if (! dumbterm) {
1.43 cgd 279: #ifndef NO_EDITCOMPLETE
1.41 lukem 280: if (fromatty) /* editing mode on if tty is usable */
281: editing = 1;
1.43 cgd 282: #endif
283: #ifndef NO_PROGRESS
1.37 lukem 284: if (foregroundproc())
285: progress = 1; /* progress bar on if fg */
1.43 cgd 286: #endif
1.37 lukem 287: }
1.18 lukem 288: }
1.17 lukem 289:
1.83 christos 290: while ((ch = getopt(argc, argv, "46AadefginN:o:pP:q:r:RtT:u:vV")) != -1) {
1.6 mycroft 291: switch (ch) {
1.78 lukem 292: case '4':
293: family = AF_INET;
294: break;
295:
296: case '6':
1.82 lukem 297: #ifdef INET6
1.78 lukem 298: family = AF_INET6;
1.82 lukem 299: #else
300: warnx("INET6 support is not available; ignoring -6");
301: #endif
1.78 lukem 302: break;
303:
1.31 lukem 304: case 'A':
305: activefallback = 0;
306: passivemode = 0;
307: break;
308:
1.12 lukem 309: case 'a':
310: anonftp = 1;
311: break;
312:
1.3 cgd 313: case 'd':
314: options |= SO_DEBUG;
315: debug++;
316: break;
1.12 lukem 317:
1.18 lukem 318: case 'e':
1.43 cgd 319: #ifndef NO_EDITCOMPLETE
1.18 lukem 320: editing = 0;
321: #endif
322: break;
323:
1.36 lukem 324: case 'f':
325: flushcache = 1;
326: break;
327:
1.3 cgd 328: case 'g':
329: doglob = 0;
330: break;
1.1 cgd 331:
1.3 cgd 332: case 'i':
333: interactive = 0;
334: break;
1.1 cgd 335:
1.3 cgd 336: case 'n':
337: autologin = 0;
338: break;
1.1 cgd 339:
1.74 lukem 340: case 'N':
341: if (strlcpy(netrc, optarg, sizeof(netrc))
342: >= sizeof(netrc))
343: errx(1, "%s: %s", optarg,
344: strerror(ENAMETOOLONG));
345: break;
346:
1.31 lukem 347: case 'o':
348: outfile = optarg;
349: if (strcmp(outfile, "-") == 0)
350: ttyout = stderr;
351: break;
352:
1.12 lukem 353: case 'p':
354: passivemode = 1;
1.31 lukem 355: activefallback = 0;
1.12 lukem 356: break;
357:
358: case 'P':
1.45 itojun 359: ftpport = optarg;
1.83 christos 360: break;
361:
362: case 'q':
363: quit_time = strtol(optarg, &ep, 10);
364: if (quit_time < 1 || *ep != '\0')
365: errx(1, "bad quit value: %s", optarg);
1.12 lukem 366: break;
367:
1.31 lukem 368: case 'r':
369: retry_connect = strtol(optarg, &ep, 10);
1.39 lukem 370: if (retry_connect < 1 || *ep != '\0')
1.31 lukem 371: errx(1, "bad retry value: %s", optarg);
372: break;
373:
1.39 lukem 374: case 'R':
375: restartautofetch = 1;
376: break;
377:
1.3 cgd 378: case 't':
1.17 lukem 379: trace = 1;
1.3 cgd 380: break;
1.1 cgd 381:
1.44 lukem 382: case 'T':
383: {
384: int targc;
385: char *targv[6], *oac;
386:
387: /* look for `dir,max[,incr]' */
388: targc = 0;
389: targv[targc++] = "-T";
390: oac = xstrdup(optarg);
391:
392: while ((cp = strsep(&oac, ",")) != NULL) {
393: if (*cp == '\0') {
394: warnx("bad throttle value: %s", optarg);
395: usage();
396: /* NOTREACHED */
397: }
398: targv[targc++] = cp;
399: if (targc >= 5)
400: break;
401: }
402: if (parserate(targc, targv, 1) == -1)
403: usage();
404: free(oac);
405: break;
406: }
407:
1.71 lukem 408: case 'u':
409: {
410: isupload = 1;
411: interactive = 0;
412: upload_path = xstrdup(optarg);
413:
414: break;
415: }
416:
1.3 cgd 417: case 'v':
1.37 lukem 418: progress = verbose = 1;
1.17 lukem 419: break;
420:
421: case 'V':
1.37 lukem 422: progress = verbose = 0;
1.3 cgd 423: break;
1.1 cgd 424:
1.3 cgd 425: default:
1.14 lukem 426: usage();
1.3 cgd 427: }
1.1 cgd 428: }
1.37 lukem 429: /* set line buffering on ttyout */
430: setvbuf(ttyout, NULL, _IOLBF, 0);
1.3 cgd 431: argc -= optind;
432: argv += optind;
433:
1.1 cgd 434: cpend = 0; /* no pending replies */
435: proxy = 0; /* proxy not active */
436: crflag = 1; /* strip c.r. on ascii gets */
437: sendport = -1; /* not using ports */
1.74 lukem 438:
1.1 cgd 439: /*
1.74 lukem 440: * Cache the user name and home directory.
1.1 cgd 441: */
1.74 lukem 442: localhome = NULL;
443: localname = NULL;
444: anonuser = "anonymous";
445: cp = getenv("HOME");
446: if (! EMPTYSTRING(cp))
447: localhome = xstrdup(cp);
448: pw = NULL;
1.1 cgd 449: cp = getlogin();
1.65 lukem 450: if (cp != NULL)
1.1 cgd 451: pw = getpwnam(cp);
452: if (pw == NULL)
453: pw = getpwuid(getuid());
1.65 lukem 454: if (pw != NULL) {
1.74 lukem 455: if (localhome == NULL && !EMPTYSTRING(pw->pw_dir))
456: localhome = xstrdup(pw->pw_dir);
457: localname = xstrdup(pw->pw_name);
458: anonuser = localname;
459: }
460: if (netrc[0] == '\0' && localhome != NULL) {
461: if (strlcpy(netrc, localhome, sizeof(netrc)) >= sizeof(netrc) ||
1.91 lukem 462: strlcat(netrc, "/.netrc", sizeof(netrc)) >= sizeof(netrc)) {
1.74 lukem 463: warnx("%s/.netrc: %s", localhome,
464: strerror(ENAMETOOLONG));
465: netrc[0] = '\0';
466: }
1.65 lukem 467: }
1.74 lukem 468: if (localhome == NULL)
469: localhome = xstrdup("/");
1.65 lukem 470:
471: /*
472: * Every anonymous FTP server I've encountered will accept the
473: * string "username@", and will append the hostname itself. We
474: * do this by default since many servers are picky about not
475: * having a FQDN in the anonymous password.
1.85 salo 476: * - thorpej@NetBSD.org
1.65 lukem 477: */
478: len = strlen(anonuser) + 2;
479: anonpass = xmalloc(len);
480: (void)strlcpy(anonpass, anonuser, len);
481: (void)strlcat(anonpass, "@", len);
482:
1.67 lukem 483: /*
484: * set all the defaults for options defined in
485: * struct option optiontab[] declared in cmdtab.c
486: */
1.65 lukem 487: setupoption("anonpass", getenv("FTPANONPASS"), anonpass);
1.66 lukem 488: setupoption("ftp_proxy", getenv(FTP_PROXY), "");
489: setupoption("http_proxy", getenv(HTTP_PROXY), "");
490: setupoption("no_proxy", getenv(NO_PROXY), "");
491: setupoption("pager", getenv("PAGER"), DEFAULTPAGER);
1.67 lukem 492: setupoption("prompt", getenv("FTPPROMPT"), DEFAULTPROMPT);
493: setupoption("rprompt", getenv("FTPRPROMPT"), DEFAULTRPROMPT);
1.66 lukem 494:
495: free(anonpass);
1.12 lukem 496:
1.17 lukem 497: setttywidth(0);
1.60 lukem 498: #ifdef SIGINFO
499: (void)xsignal(SIGINFO, psummary);
500: #endif
501: (void)xsignal(SIGQUIT, psummary);
1.44 lukem 502: (void)xsignal(SIGUSR1, crankrate);
503: (void)xsignal(SIGUSR2, crankrate);
1.60 lukem 504: (void)xsignal(SIGWINCH, setttywidth);
1.23 lukem 505:
1.31 lukem 506: #ifdef __GNUC__ /* to shut up gcc warnings */
1.23 lukem 507: (void)&argc;
508: (void)&argv;
509: #endif
1.17 lukem 510:
1.1 cgd 511: if (argc > 0) {
1.71 lukem 512: if (isupload) {
513: rval = auto_put(argc, argv, upload_path);
1.90 lukem 514: sigint_or_rval_exit:
515: if (sigint_raised) {
516: (void)xsignal(SIGINT, SIG_DFL);
517: raise(SIGINT);
518: }
1.71 lukem 519: exit(rval);
520: } else if (strchr(argv[0], ':') != NULL
521: && ! isipv6addr(argv[0])) {
1.39 lukem 522: rval = auto_fetch(argc, argv);
1.16 lukem 523: if (rval >= 0) /* -1 == connected and cd-ed */
1.90 lukem 524: goto sigint_or_rval_exit;
1.16 lukem 525: } else {
1.68 lukem 526: char *xargv[4], *user, *host;
1.3 cgd 527:
1.90 lukem 528: if ((rval = sigsetjmp(toplevel, 1)))
529: goto sigint_or_rval_exit;
1.61 lukem 530: (void)xsignal(SIGINT, intr);
1.65 lukem 531: (void)xsignal(SIGPIPE, lostpeer);
1.68 lukem 532: user = NULL;
533: host = argv[0];
534: cp = strchr(host, '@');
535: if (cp) {
536: *cp = '\0';
537: user = host;
538: host = cp + 1;
539: }
1.77 cgd 540: /* XXX discards const */
541: xargv[0] = (char *)getprogname();
1.68 lukem 542: xargv[1] = host;
1.16 lukem 543: xargv[2] = argv[1];
1.68 lukem 544: xargv[3] = NULL;
1.31 lukem 545: do {
1.68 lukem 546: int oautologin;
547:
548: oautologin = autologin;
549: if (user != NULL) {
550: anonftp = 0;
551: autologin = 0;
552: }
1.31 lukem 553: setpeer(argc+1, xargv);
1.68 lukem 554: autologin = oautologin;
555: if (connected == 1 && user != NULL)
556: (void)ftp_login(host, user, NULL);
1.31 lukem 557: if (!retry_connect)
558: break;
559: if (!connected) {
560: macnum = 0;
561: fprintf(ttyout,
562: "Retrying in %d seconds...\n",
563: retry_connect);
564: sleep(retry_connect);
565: }
566: } while (!connected);
567: retry_connect = 0; /* connected, stop hiding msgs */
1.16 lukem 568: }
1.1 cgd 569: }
1.71 lukem 570: if (isupload)
571: usage();
572:
1.43 cgd 573: #ifndef NO_EDITCOMPLETE
1.21 lukem 574: controlediting();
1.43 cgd 575: #endif /* !NO_EDITCOMPLETE */
1.64 lukem 576:
577: (void)sigsetjmp(toplevel, 1);
578: (void)xsignal(SIGINT, intr);
1.65 lukem 579: (void)xsignal(SIGPIPE, lostpeer);
1.64 lukem 580: for (;;)
581: cmdscanner();
1.1 cgd 582: }
583:
1.3 cgd 584: /*
1.16 lukem 585: * Generate a prompt
586: */
1.3 cgd 587: char *
1.70 lukem 588: prompt(void)
1.1 cgd 589: {
1.66 lukem 590: static char **prompt;
591: static char buf[MAXPATHLEN];
592:
593: if (prompt == NULL) {
594: struct option *o;
595:
596: o = getoption("prompt");
597: if (o == NULL)
598: errx(1, "no such option `prompt'");
599: prompt = &(o->value);
600: }
1.67 lukem 601: formatbuf(buf, sizeof(buf), *prompt ? *prompt : DEFAULTPROMPT);
602: return (buf);
603: }
604:
605: /*
606: * Generate an rprompt
607: */
608: char *
1.70 lukem 609: rprompt(void)
1.67 lukem 610: {
611: static char **rprompt;
612: static char buf[MAXPATHLEN];
613:
614: if (rprompt == NULL) {
615: struct option *o;
1.66 lukem 616:
1.67 lukem 617: o = getoption("rprompt");
618: if (o == NULL)
619: errx(1, "no such option `rprompt'");
620: rprompt = &(o->value);
1.66 lukem 621: }
1.67 lukem 622: formatbuf(buf, sizeof(buf), *rprompt ? *rprompt : DEFAULTRPROMPT);
1.66 lukem 623: return (buf);
1.1 cgd 624: }
1.3 cgd 625:
1.1 cgd 626: /*
627: * Command parser.
628: */
1.3 cgd 629: void
1.70 lukem 630: cmdscanner(void)
1.1 cgd 631: {
1.67 lukem 632: struct cmd *c;
633: char *p;
1.98 ! jmc 634: #ifndef NO_EDITCOMPLETE
1.95 lukem 635: int ch;
1.98 ! jmc 636: #endif
1.95 lukem 637: size_t num;
1.1 cgd 638:
639: for (;;) {
1.43 cgd 640: #ifndef NO_EDITCOMPLETE
1.16 lukem 641: if (!editing) {
1.43 cgd 642: #endif /* !NO_EDITCOMPLETE */
1.16 lukem 643: if (fromatty) {
1.31 lukem 644: fputs(prompt(), ttyout);
1.67 lukem 645: p = rprompt();
646: if (*p)
647: fprintf(ttyout, "%s ", p);
1.31 lukem 648: (void)fflush(ttyout);
1.16 lukem 649: }
1.97 lukem 650: num = getline(stdin, line, sizeof(line), NULL);
651: switch (num) {
652: case -1: /* EOF */
653: case -2: /* error */
1.63 lukem 654: if (fromatty)
655: putc('\n', ttyout);
1.73 lukem 656: quit(0, NULL);
1.97 lukem 657: /* NOTREACHED */
658: case -3: /* too long; try again */
1.92 lukem 659: fputs("Sorry, input line is too long.\n",
660: ttyout);
1.97 lukem 661: continue;
662: case 0: /* empty; try again */
663: continue;
664: default: /* all ok */
1.16 lukem 665: break;
1.97 lukem 666: }
1.43 cgd 667: #ifndef NO_EDITCOMPLETE
1.17 lukem 668: } else {
1.16 lukem 669: const char *buf;
1.26 christos 670: HistEvent ev;
1.16 lukem 671: cursor_pos = NULL;
672:
1.96 jdc 673: buf = el_gets(el, &ch);
674: num = ch;
1.92 lukem 675: if (buf == NULL || num == 0) {
1.63 lukem 676: if (fromatty)
677: putc('\n', ttyout);
1.73 lukem 678: quit(0, NULL);
1.63 lukem 679: }
1.92 lukem 680: if (num >= sizeof(line)) {
681: fputs("Sorry, input line is too long.\n",
682: ttyout);
683: break;
684: }
685: memcpy(line, buf, num);
686: if (line[--num] == '\n') {
687: line[num] = '\0';
1.16 lukem 688: if (num == 0)
689: break;
690: }
1.26 christos 691: history(hist, &ev, H_ENTER, buf);
1.16 lukem 692: }
1.43 cgd 693: #endif /* !NO_EDITCOMPLETE */
1.16 lukem 694:
1.1 cgd 695: makeargv();
1.16 lukem 696: if (margc == 0)
1.1 cgd 697: continue;
698: c = getcmd(margv[0]);
699: if (c == (struct cmd *)-1) {
1.31 lukem 700: fputs("?Ambiguous command.\n", ttyout);
1.1 cgd 701: continue;
702: }
1.30 lukem 703: if (c == NULL) {
1.43 cgd 704: #if !defined(NO_EDITCOMPLETE)
1.30 lukem 705: /*
706: * attempt to el_parse() unknown commands.
707: * any command containing a ':' would be parsed
708: * as "[prog:]cmd ...", and will result in a
709: * false positive if prog != "ftp", so treat
710: * such commands as invalid.
711: */
1.38 lukem 712: if (strchr(margv[0], ':') != NULL ||
1.80 thorpej 713: el_parse(el, margc, (const char **)margv) != 0)
1.43 cgd 714: #endif /* !NO_EDITCOMPLETE */
1.31 lukem 715: fputs("?Invalid command.\n", ttyout);
1.1 cgd 716: continue;
717: }
718: if (c->c_conn && !connected) {
1.31 lukem 719: fputs("Not connected.\n", ttyout);
1.1 cgd 720: continue;
721: }
1.13 lukem 722: confirmrest = 0;
1.75 lukem 723: margv[0] = c->c_name;
1.1 cgd 724: (*c->c_handler)(margc, margv);
725: if (bell && c->c_bell)
1.31 lukem 726: (void)putc('\007', ttyout);
1.1 cgd 727: if (c->c_handler != help)
728: break;
729: }
1.61 lukem 730: (void)xsignal(SIGINT, intr);
1.65 lukem 731: (void)xsignal(SIGPIPE, lostpeer);
1.1 cgd 732: }
733:
734: struct cmd *
1.70 lukem 735: getcmd(const char *name)
1.1 cgd 736: {
1.13 lukem 737: const char *p, *q;
1.3 cgd 738: struct cmd *c, *found;
739: int nmatches, longest;
1.11 pk 740:
741: if (name == NULL)
742: return (0);
1.1 cgd 743:
744: longest = 0;
745: nmatches = 0;
746: found = 0;
1.12 lukem 747: for (c = cmdtab; (p = c->c_name) != NULL; c++) {
1.1 cgd 748: for (q = name; *q == *p++; q++)
749: if (*q == 0) /* exact match? */
750: return (c);
751: if (!*q) { /* the name was a prefix */
752: if (q - name > longest) {
753: longest = q - name;
754: nmatches = 1;
755: found = c;
756: } else if (q - name == longest)
757: nmatches++;
758: }
759: }
760: if (nmatches > 1)
761: return ((struct cmd *)-1);
762: return (found);
763: }
764:
765: /*
766: * Slice a string up into argc/argv.
767: */
768:
769: int slrflag;
770:
1.3 cgd 771: void
1.70 lukem 772: makeargv(void)
1.1 cgd 773: {
1.16 lukem 774: char *argp;
1.1 cgd 775:
776: stringbase = line; /* scan from first of buffer */
777: argbase = argbuf; /* store from first of buffer */
778: slrflag = 0;
1.16 lukem 779: marg_sl->sl_cur = 0; /* reset to start of marg_sl */
1.10 pk 780: for (margc = 0; ; margc++) {
1.16 lukem 781: argp = slurpstring();
1.69 lukem 782: xsl_add(marg_sl, argp);
1.16 lukem 783: if (argp == NULL)
1.10 pk 784: break;
785: }
1.43 cgd 786: #ifndef NO_EDITCOMPLETE
1.16 lukem 787: if (cursor_pos == line) {
788: cursor_argc = 0;
789: cursor_argo = 0;
790: } else if (cursor_pos != NULL) {
791: cursor_argc = margc;
792: cursor_argo = strlen(margv[margc-1]);
793: }
1.43 cgd 794: #endif /* !NO_EDITCOMPLETE */
1.16 lukem 795: }
1.10 pk 796:
1.43 cgd 797: #ifdef NO_EDITCOMPLETE
1.65 lukem 798: #define INC_CHKCURSOR(x) (x)++
1.43 cgd 799: #else /* !NO_EDITCOMPLETE */
1.65 lukem 800: #define INC_CHKCURSOR(x) { (x)++ ; \
1.16 lukem 801: if (x == cursor_pos) { \
802: cursor_argc = margc; \
803: cursor_argo = ap-argbase; \
804: cursor_pos = NULL; \
805: } }
1.38 lukem 806:
1.43 cgd 807: #endif /* !NO_EDITCOMPLETE */
1.1 cgd 808:
809: /*
810: * Parse string into argbuf;
811: * implemented with FSM to
812: * handle quoting and strings
813: */
814: char *
1.70 lukem 815: slurpstring(void)
1.1 cgd 816: {
817: int got_one = 0;
1.3 cgd 818: char *sb = stringbase;
819: char *ap = argbase;
1.1 cgd 820: char *tmp = argbase; /* will return this if token found */
821:
822: if (*sb == '!' || *sb == '$') { /* recognize ! as a token for shell */
823: switch (slrflag) { /* and $ as token for macro invoke */
824: case 0:
825: slrflag++;
1.16 lukem 826: INC_CHKCURSOR(stringbase);
1.1 cgd 827: return ((*sb == '!') ? "!" : "$");
828: /* NOTREACHED */
829: case 1:
830: slrflag++;
831: altarg = stringbase;
832: break;
833: default:
834: break;
835: }
836: }
837:
838: S0:
839: switch (*sb) {
840:
841: case '\0':
842: goto OUT;
843:
844: case ' ':
845: case '\t':
1.16 lukem 846: INC_CHKCURSOR(sb);
847: goto S0;
1.1 cgd 848:
849: default:
850: switch (slrflag) {
851: case 0:
852: slrflag++;
853: break;
854: case 1:
855: slrflag++;
856: altarg = sb;
857: break;
858: default:
859: break;
860: }
861: goto S1;
862: }
863:
864: S1:
865: switch (*sb) {
866:
867: case ' ':
868: case '\t':
869: case '\0':
870: goto OUT; /* end of token */
871:
872: case '\\':
1.16 lukem 873: INC_CHKCURSOR(sb);
874: goto S2; /* slurp next character */
1.1 cgd 875:
876: case '"':
1.16 lukem 877: INC_CHKCURSOR(sb);
878: goto S3; /* slurp quoted string */
1.1 cgd 879:
880: default:
1.16 lukem 881: *ap = *sb; /* add character to token */
882: ap++;
883: INC_CHKCURSOR(sb);
1.1 cgd 884: got_one = 1;
885: goto S1;
886: }
887:
888: S2:
889: switch (*sb) {
890:
891: case '\0':
892: goto OUT;
893:
894: default:
1.16 lukem 895: *ap = *sb;
896: ap++;
897: INC_CHKCURSOR(sb);
1.1 cgd 898: got_one = 1;
899: goto S1;
900: }
901:
902: S3:
903: switch (*sb) {
904:
905: case '\0':
906: goto OUT;
907:
908: case '"':
1.16 lukem 909: INC_CHKCURSOR(sb);
910: goto S1;
1.1 cgd 911:
912: default:
1.16 lukem 913: *ap = *sb;
914: ap++;
915: INC_CHKCURSOR(sb);
1.1 cgd 916: got_one = 1;
917: goto S3;
918: }
919:
920: OUT:
921: if (got_one)
922: *ap++ = '\0';
923: argbase = ap; /* update storage pointer */
924: stringbase = sb; /* update scan pointer */
925: if (got_one) {
1.3 cgd 926: return (tmp);
1.1 cgd 927: }
928: switch (slrflag) {
929: case 0:
930: slrflag++;
931: break;
932: case 1:
933: slrflag++;
1.28 lukem 934: altarg = NULL;
1.1 cgd 935: break;
936: default:
937: break;
938: }
1.28 lukem 939: return (NULL);
1.1 cgd 940: }
941:
942: /*
1.65 lukem 943: * Help/usage command.
1.1 cgd 944: * Call each command handler with argc == 0 and argv[0] == name.
945: */
1.3 cgd 946: void
1.70 lukem 947: help(int argc, char *argv[])
1.1 cgd 948: {
1.3 cgd 949: struct cmd *c;
1.67 lukem 950: char *nargv[1], *p, *cmd;
1.65 lukem 951: int isusage;
1.1 cgd 952:
1.67 lukem 953: cmd = argv[0];
954: isusage = (strcmp(cmd, "usage") == 0);
1.65 lukem 955: if (argc == 0 || (isusage && argc == 1)) {
1.67 lukem 956: fprintf(ttyout, "usage: %s [command [...]]\n", cmd);
1.65 lukem 957: return;
958: }
1.1 cgd 959: if (argc == 1) {
1.16 lukem 960: StringList *buf;
1.1 cgd 961:
1.69 lukem 962: buf = xsl_init();
1.31 lukem 963: fprintf(ttyout,
964: "%sommands may be abbreviated. Commands are:\n\n",
1.16 lukem 965: proxy ? "Proxy c" : "C");
1.65 lukem 966: for (c = cmdtab; (p = c->c_name) != NULL; c++)
967: if (!proxy || c->c_proxy)
1.69 lukem 968: xsl_add(buf, p);
1.16 lukem 969: list_vertical(buf);
970: sl_free(buf, 0);
1.1 cgd 971: return;
972: }
1.16 lukem 973:
1.65 lukem 974: #define HELPINDENT ((int) sizeof("disconnect"))
1.16 lukem 975:
1.1 cgd 976: while (--argc > 0) {
1.3 cgd 977: char *arg;
1.16 lukem 978:
1.1 cgd 979: arg = *++argv;
980: c = getcmd(arg);
981: if (c == (struct cmd *)-1)
1.65 lukem 982: fprintf(ttyout, "?Ambiguous %s command `%s'\n",
1.67 lukem 983: cmd, arg);
1.28 lukem 984: else if (c == NULL)
1.65 lukem 985: fprintf(ttyout, "?Invalid %s command `%s'\n",
1.67 lukem 986: cmd, arg);
1.65 lukem 987: else {
988: if (isusage) {
1.75 lukem 989: nargv[0] = c->c_name;
1.65 lukem 990: (*c->c_handler)(0, nargv);
991: } else
992: fprintf(ttyout, "%-*s\t%s\n", HELPINDENT,
993: c->c_name, c->c_help);
994: }
1.1 cgd 995: }
1.65 lukem 996: }
997:
998: struct option *
1.70 lukem 999: getoption(const char *name)
1.65 lukem 1000: {
1001: const char *p;
1002: struct option *c;
1003:
1004: if (name == NULL)
1005: return (NULL);
1006: for (c = optiontab; (p = c->name) != NULL; c++) {
1007: if (strcasecmp(p, name) == 0)
1008: return (c);
1009: }
1010: return (NULL);
1011: }
1012:
1013: char *
1.70 lukem 1014: getoptionvalue(const char *name)
1.65 lukem 1015: {
1016: struct option *c;
1017:
1018: if (name == NULL)
1019: errx(1, "getoptionvalue() invoked with NULL name");
1.66 lukem 1020: c = getoption(name);
1021: if (c != NULL)
1022: return (c->value);
1.65 lukem 1023: errx(1, "getoptionvalue() invoked with unknown option `%s'", name);
1.72 lukem 1024: /* NOTREACHED */
1.65 lukem 1025: }
1026:
1027: static void
1.70 lukem 1028: setupoption(char *name, char *value, char *defaultvalue)
1.65 lukem 1029: {
1030: char *nargv[3];
1031: int overbose;
1032:
1033: nargv[0] = "setupoption()";
1034: nargv[1] = name;
1035: nargv[2] = (value ? value : defaultvalue);
1036: overbose = verbose;
1037: verbose = 0;
1038: setoption(3, nargv);
1039: verbose = overbose;
1.12 lukem 1040: }
1041:
1.14 lukem 1042: void
1.70 lukem 1043: usage(void)
1.14 lukem 1044: {
1.77 cgd 1045: const char *progname = getprogname();
1046:
1.14 lukem 1047: (void)fprintf(stderr,
1.88 wiz 1048: "usage: %s [-46AadefginpRtvV] [-N netrc] [-o outfile] [-P port] [-q quittime]\n"
1049: " [-r retry] [-T dir,max[,inc][[user@]host [port]]] [host:path[/]]\n"
1.71 lukem 1050: " [file:///file] [ftp://[user[:pass]@]host[:port]/path[/]]\n"
1051: " [http://[user[:pass]@]host[:port]/path] [...]\n"
1.84 wiz 1052: " %s -u URL file [...]\n", progname, progname);
1.14 lukem 1053: exit(1);
1.1 cgd 1054: }
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