1 /*
2 * Copyright (c) 1985, 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * %sccs.include.redist.c%
6 */
7
8 #ifndef lint
9 static char sccsid[] = "@(#)cmds.c 8.6 (Berkeley) 10/09/94";
10 #endif /* not lint */
11
12 /*
13 * FTP User Program -- Command Routines.
14 */
15 #include <sys/param.h>
16 #include <sys/wait.h>
17 #include <sys/stat.h>
18 #include <sys/socket.h>
19 #include <netinet/in.h>
20 #include <arpa/ftp.h>
21
22 #include <ctype.h>
23 #include <err.h>
24 #include <glob.h>
25 #include <netdb.h>
26 #include <signal.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <time.h>
31 #include <unistd.h>
32
33 #include "ftp_var.h"
34 #include "pathnames.h"
35
36 jmp_buf jabort;
37 char *mname;
38 char *home = "/";
39
40 /*
41 * `Another' gets another argument, and stores the new argc and argv.
42 * It reverts to the top level (via main.c's intr()) on EOF/error.
43 *
44 * Returns false if no new arguments have been added.
45 */
46 int
another(pargc,pargv,prompt)47 another(pargc, pargv, prompt)
48 int *pargc;
49 char ***pargv;
50 char *prompt;
51 {
52 int len = strlen(line), ret;
53
54 if (len >= sizeof(line) - 3) {
55 printf("sorry, arguments too long\n");
56 intr();
57 }
58 printf("(%s) ", prompt);
59 line[len++] = ' ';
60 if (fgets(&line[len], sizeof(line) - len, stdin) == NULL)
61 intr();
62 len += strlen(&line[len]);
63 if (len > 0 && line[len - 1] == '\n')
64 line[len - 1] = '\0';
65 makeargv();
66 ret = margc > *pargc;
67 *pargc = margc;
68 *pargv = margv;
69 return (ret);
70 }
71
72 /*
73 * Connect to peer server and
74 * auto-login, if possible.
75 */
76 void
setpeer(argc,argv)77 setpeer(argc, argv)
78 int argc;
79 char *argv[];
80 {
81 char *host;
82 short port;
83
84 if (connected) {
85 printf("Already connected to %s, use close first.\n",
86 hostname);
87 code = -1;
88 return;
89 }
90 if (argc < 2)
91 (void) another(&argc, &argv, "to");
92 if (argc < 2 || argc > 3) {
93 printf("usage: %s host-name [port]\n", argv[0]);
94 code = -1;
95 return;
96 }
97 port = sp->s_port;
98 if (argc > 2) {
99 port = atoi(argv[2]);
100 if (port <= 0) {
101 printf("%s: bad port number-- %s\n", argv[1], argv[2]);
102 printf ("usage: %s host-name [port]\n", argv[0]);
103 code = -1;
104 return;
105 }
106 port = htons(port);
107 }
108 host = hookup(argv[1], port);
109 if (host) {
110 int overbose;
111
112 connected = 1;
113 /*
114 * Set up defaults for FTP.
115 */
116 (void) strcpy(typename, "ascii"), type = TYPE_A;
117 curtype = TYPE_A;
118 (void) strcpy(formname, "non-print"), form = FORM_N;
119 (void) strcpy(modename, "stream"), mode = MODE_S;
120 (void) strcpy(structname, "file"), stru = STRU_F;
121 (void) strcpy(bytename, "8"), bytesize = 8;
122 if (autologin)
123 (void) login(argv[1]);
124
125 #if defined(unix) && NBBY == 8
126 /*
127 * this ifdef is to keep someone form "porting" this to an incompatible
128 * system and not checking this out. This way they have to think about it.
129 */
130 overbose = verbose;
131 if (debug == 0)
132 verbose = -1;
133 if (command("SYST") == COMPLETE && overbose) {
134 char *cp, c;
135 cp = strchr(reply_string+4, ' ');
136 if (cp == NULL)
137 cp = strchr(reply_string+4, '\r');
138 if (cp) {
139 if (cp[-1] == '.')
140 cp--;
141 c = *cp;
142 *cp = '\0';
143 }
144
145 printf("Remote system type is %s.\n",
146 reply_string+4);
147 if (cp)
148 *cp = c;
149 }
150 if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
151 if (proxy)
152 unix_proxy = 1;
153 else
154 unix_server = 1;
155 /*
156 * Set type to 0 (not specified by user),
157 * meaning binary by default, but don't bother
158 * telling server. We can use binary
159 * for text files unless changed by the user.
160 */
161 type = 0;
162 (void) strcpy(typename, "binary");
163 if (overbose)
164 printf("Using %s mode to transfer files.\n",
165 typename);
166 } else {
167 if (proxy)
168 unix_proxy = 0;
169 else
170 unix_server = 0;
171 if (overbose &&
172 !strncmp(reply_string, "215 TOPS20", 10))
173 printf(
174 "Remember to set tenex mode when transfering binary files from this machine.\n");
175 }
176 verbose = overbose;
177 #endif /* unix */
178 }
179 }
180
181 struct types {
182 char *t_name;
183 char *t_mode;
184 int t_type;
185 char *t_arg;
186 } types[] = {
187 { "ascii", "A", TYPE_A, 0 },
188 { "binary", "I", TYPE_I, 0 },
189 { "image", "I", TYPE_I, 0 },
190 { "ebcdic", "E", TYPE_E, 0 },
191 { "tenex", "L", TYPE_L, bytename },
192 { NULL }
193 };
194
195 /*
196 * Set transfer type.
197 */
198 void
settype(argc,argv)199 settype(argc, argv)
200 int argc;
201 char *argv[];
202 {
203 struct types *p;
204 int comret;
205
206 if (argc > 2) {
207 char *sep;
208
209 printf("usage: %s [", argv[0]);
210 sep = " ";
211 for (p = types; p->t_name; p++) {
212 printf("%s%s", sep, p->t_name);
213 sep = " | ";
214 }
215 printf(" ]\n");
216 code = -1;
217 return;
218 }
219 if (argc < 2) {
220 printf("Using %s mode to transfer files.\n", typename);
221 code = 0;
222 return;
223 }
224 for (p = types; p->t_name; p++)
225 if (strcmp(argv[1], p->t_name) == 0)
226 break;
227 if (p->t_name == 0) {
228 printf("%s: unknown mode\n", argv[1]);
229 code = -1;
230 return;
231 }
232 if ((p->t_arg != NULL) && (*(p->t_arg) != '\0'))
233 comret = command ("TYPE %s %s", p->t_mode, p->t_arg);
234 else
235 comret = command("TYPE %s", p->t_mode);
236 if (comret == COMPLETE) {
237 (void) strcpy(typename, p->t_name);
238 curtype = type = p->t_type;
239 }
240 }
241
242 /*
243 * Internal form of settype; changes current type in use with server
244 * without changing our notion of the type for data transfers.
245 * Used to change to and from ascii for listings.
246 */
247 void
changetype(newtype,show)248 changetype(newtype, show)
249 int newtype, show;
250 {
251 struct types *p;
252 int comret, oldverbose = verbose;
253
254 if (newtype == 0)
255 newtype = TYPE_I;
256 if (newtype == curtype)
257 return;
258 if (debug == 0 && show == 0)
259 verbose = 0;
260 for (p = types; p->t_name; p++)
261 if (newtype == p->t_type)
262 break;
263 if (p->t_name == 0) {
264 printf("ftp: internal error: unknown type %d\n", newtype);
265 return;
266 }
267 if (newtype == TYPE_L && bytename[0] != '\0')
268 comret = command("TYPE %s %s", p->t_mode, bytename);
269 else
270 comret = command("TYPE %s", p->t_mode);
271 if (comret == COMPLETE)
272 curtype = newtype;
273 verbose = oldverbose;
274 }
275
276 char *stype[] = {
277 "type",
278 "",
279 0
280 };
281
282 /*
283 * Set binary transfer type.
284 */
285 /*VARARGS*/
286 void
setbinary(argc,argv)287 setbinary(argc, argv)
288 int argc;
289 char **argv;
290 {
291
292 stype[1] = "binary";
293 settype(2, stype);
294 }
295
296 /*
297 * Set ascii transfer type.
298 */
299 /*VARARGS*/
300 void
setascii(argc,argv)301 setascii(argc, argv)
302 int argc;
303 char *argv[];
304 {
305
306 stype[1] = "ascii";
307 settype(2, stype);
308 }
309
310 /*
311 * Set tenex transfer type.
312 */
313 /*VARARGS*/
314 void
settenex(argc,argv)315 settenex(argc, argv)
316 int argc;
317 char *argv[];
318 {
319
320 stype[1] = "tenex";
321 settype(2, stype);
322 }
323
324 /*
325 * Set file transfer mode.
326 */
327 /*ARGSUSED*/
328 void
setftmode(argc,argv)329 setftmode(argc, argv)
330 int argc;
331 char *argv[];
332 {
333
334 printf("We only support %s mode, sorry.\n", modename);
335 code = -1;
336 }
337
338 /*
339 * Set file transfer format.
340 */
341 /*ARGSUSED*/
342 void
setform(argc,argv)343 setform(argc, argv)
344 int argc;
345 char *argv[];
346 {
347
348 printf("We only support %s format, sorry.\n", formname);
349 code = -1;
350 }
351
352 /*
353 * Set file transfer structure.
354 */
355 /*ARGSUSED*/
356 void
setstruct(argc,argv)357 setstruct(argc, argv)
358 int argc;
359 char *argv[];
360 {
361
362 printf("We only support %s structure, sorry.\n", structname);
363 code = -1;
364 }
365
366 /*
367 * Send a single file.
368 */
369 void
put(argc,argv)370 put(argc, argv)
371 int argc;
372 char *argv[];
373 {
374 char *cmd;
375 int loc = 0;
376 char *oldargv1, *oldargv2;
377
378 if (argc == 2) {
379 argc++;
380 argv[2] = argv[1];
381 loc++;
382 }
383 if (argc < 2 && !another(&argc, &argv, "local-file"))
384 goto usage;
385 if (argc < 3 && !another(&argc, &argv, "remote-file")) {
386 usage:
387 printf("usage: %s local-file remote-file\n", argv[0]);
388 code = -1;
389 return;
390 }
391 oldargv1 = argv[1];
392 oldargv2 = argv[2];
393 if (!globulize(&argv[1])) {
394 code = -1;
395 return;
396 }
397 /*
398 * If "globulize" modifies argv[1], and argv[2] is a copy of
399 * the old argv[1], make it a copy of the new argv[1].
400 */
401 if (argv[1] != oldargv1 && argv[2] == oldargv1) {
402 argv[2] = argv[1];
403 }
404 cmd = (argv[0][0] == 'a') ? "APPE" : ((sunique) ? "STOU" : "STOR");
405 if (loc && ntflag) {
406 argv[2] = dotrans(argv[2]);
407 }
408 if (loc && mapflag) {
409 argv[2] = domap(argv[2]);
410 }
411 sendrequest(cmd, argv[1], argv[2],
412 argv[1] != oldargv1 || argv[2] != oldargv2);
413 }
414
415 /*
416 * Send multiple files.
417 */
418 void
mput(argc,argv)419 mput(argc, argv)
420 int argc;
421 char **argv;
422 {
423 int i;
424 sig_t oldintr;
425 int ointer;
426 char *tp;
427
428 if (argc < 2 && !another(&argc, &argv, "local-files")) {
429 printf("usage: %s local-files\n", argv[0]);
430 code = -1;
431 return;
432 }
433 mname = argv[0];
434 mflag = 1;
435 oldintr = signal(SIGINT, mabort);
436 (void) setjmp(jabort);
437 if (proxy) {
438 char *cp, *tp2, tmpbuf[MAXPATHLEN];
439
440 while ((cp = remglob(argv,0)) != NULL) {
441 if (*cp == 0) {
442 mflag = 0;
443 continue;
444 }
445 if (mflag && confirm(argv[0], cp)) {
446 tp = cp;
447 if (mcase) {
448 while (*tp && !islower(*tp)) {
449 tp++;
450 }
451 if (!*tp) {
452 tp = cp;
453 tp2 = tmpbuf;
454 while ((*tp2 = *tp) != NULL) {
455 if (isupper(*tp2)) {
456 *tp2 = 'a' + *tp2 - 'A';
457 }
458 tp++;
459 tp2++;
460 }
461 }
462 tp = tmpbuf;
463 }
464 if (ntflag) {
465 tp = dotrans(tp);
466 }
467 if (mapflag) {
468 tp = domap(tp);
469 }
470 sendrequest((sunique) ? "STOU" : "STOR",
471 cp, tp, cp != tp || !interactive);
472 if (!mflag && fromatty) {
473 ointer = interactive;
474 interactive = 1;
475 if (confirm("Continue with","mput")) {
476 mflag++;
477 }
478 interactive = ointer;
479 }
480 }
481 }
482 (void) signal(SIGINT, oldintr);
483 mflag = 0;
484 return;
485 }
486 for (i = 1; i < argc; i++) {
487 char **cpp, **gargs;
488 glob_t gl;
489 int flags;
490
491 if (!doglob) {
492 if (mflag && confirm(argv[0], argv[i])) {
493 tp = (ntflag) ? dotrans(argv[i]) : argv[i];
494 tp = (mapflag) ? domap(tp) : tp;
495 sendrequest((sunique) ? "STOU" : "STOR",
496 argv[i], tp, tp != argv[i] || !interactive);
497 if (!mflag && fromatty) {
498 ointer = interactive;
499 interactive = 1;
500 if (confirm("Continue with","mput")) {
501 mflag++;
502 }
503 interactive = ointer;
504 }
505 }
506 continue;
507 }
508
509 memset(&gl, 0, sizeof(gl));
510 flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
511 if (glob(argv[i], flags, NULL, &gl) || gl.gl_pathc == 0) {
512 warnx("%s: not found", argv[i]);
513 globfree(&gl);
514 continue;
515 }
516 for (cpp = gl.gl_pathv; cpp && *cpp != NULL; cpp++) {
517 if (mflag && confirm(argv[0], *cpp)) {
518 tp = (ntflag) ? dotrans(*cpp) : *cpp;
519 tp = (mapflag) ? domap(tp) : tp;
520 sendrequest((sunique) ? "STOU" : "STOR",
521 *cpp, tp, *cpp != tp || !interactive);
522 if (!mflag && fromatty) {
523 ointer = interactive;
524 interactive = 1;
525 if (confirm("Continue with","mput")) {
526 mflag++;
527 }
528 interactive = ointer;
529 }
530 }
531 }
532 globfree(&gl);
533 }
534 (void) signal(SIGINT, oldintr);
535 mflag = 0;
536 }
537
538 void
reget(argc,argv)539 reget(argc, argv)
540 int argc;
541 char *argv[];
542 {
543
544 (void) getit(argc, argv, 1, "r+w");
545 }
546
547 void
get(argc,argv)548 get(argc, argv)
549 int argc;
550 char *argv[];
551 {
552
553 (void) getit(argc, argv, 0, restart_point ? "r+w" : "w" );
554 }
555
556 /*
557 * Receive one file.
558 */
559 int
getit(argc,argv,restartit,mode)560 getit(argc, argv, restartit, mode)
561 int argc;
562 char *argv[];
563 char *mode;
564 int restartit;
565 {
566 int loc = 0;
567 char *oldargv1, *oldargv2;
568
569 if (argc == 2) {
570 argc++;
571 argv[2] = argv[1];
572 loc++;
573 }
574 if (argc < 2 && !another(&argc, &argv, "remote-file"))
575 goto usage;
576 if (argc < 3 && !another(&argc, &argv, "local-file")) {
577 usage:
578 printf("usage: %s remote-file [ local-file ]\n", argv[0]);
579 code = -1;
580 return (0);
581 }
582 oldargv1 = argv[1];
583 oldargv2 = argv[2];
584 if (!globulize(&argv[2])) {
585 code = -1;
586 return (0);
587 }
588 if (loc && mcase) {
589 char *tp = argv[1], *tp2, tmpbuf[MAXPATHLEN];
590
591 while (*tp && !islower(*tp)) {
592 tp++;
593 }
594 if (!*tp) {
595 tp = argv[2];
596 tp2 = tmpbuf;
597 while ((*tp2 = *tp) != NULL) {
598 if (isupper(*tp2)) {
599 *tp2 = 'a' + *tp2 - 'A';
600 }
601 tp++;
602 tp2++;
603 }
604 argv[2] = tmpbuf;
605 }
606 }
607 if (loc && ntflag)
608 argv[2] = dotrans(argv[2]);
609 if (loc && mapflag)
610 argv[2] = domap(argv[2]);
611 if (restartit) {
612 struct stat stbuf;
613 int ret;
614
615 ret = stat(argv[2], &stbuf);
616 if (restartit == 1) {
617 if (ret < 0) {
618 warn("local: %s", argv[2]);
619 return (0);
620 }
621 restart_point = stbuf.st_size;
622 } else {
623 if (ret == 0) {
624 int overbose;
625
626 overbose = verbose;
627 if (debug == 0)
628 verbose = -1;
629 if (command("MDTM %s", argv[1]) == COMPLETE) {
630 int yy, mo, day, hour, min, sec;
631 struct tm *tm;
632 verbose = overbose;
633 sscanf(reply_string,
634 "%*s %04d%02d%02d%02d%02d%02d",
635 &yy, &mo, &day, &hour, &min, &sec);
636 tm = gmtime(&stbuf.st_mtime);
637 tm->tm_mon++;
638 if (tm->tm_year > yy%100)
639 return (1);
640 if ((tm->tm_year == yy%100 &&
641 tm->tm_mon > mo) ||
642 (tm->tm_mon == mo &&
643 tm->tm_mday > day) ||
644 (tm->tm_mday == day &&
645 tm->tm_hour > hour) ||
646 (tm->tm_hour == hour &&
647 tm->tm_min > min) ||
648 (tm->tm_min == min &&
649 tm->tm_sec > sec))
650 return (1);
651 } else {
652 printf("%s\n", reply_string);
653 verbose = overbose;
654 return (0);
655 }
656 }
657 }
658 }
659
660 recvrequest("RETR", argv[2], argv[1], mode,
661 argv[1] != oldargv1 || argv[2] != oldargv2);
662 restart_point = 0;
663 return (0);
664 }
665
666 /* ARGSUSED */
667 void
mabort(signo)668 mabort(signo)
669 int signo;
670 {
671 int ointer;
672
673 printf("\n");
674 (void) fflush(stdout);
675 if (mflag && fromatty) {
676 ointer = interactive;
677 interactive = 1;
678 if (confirm("Continue with", mname)) {
679 interactive = ointer;
680 longjmp(jabort,0);
681 }
682 interactive = ointer;
683 }
684 mflag = 0;
685 longjmp(jabort,0);
686 }
687
688 /*
689 * Get multiple files.
690 */
691 void
mget(argc,argv)692 mget(argc, argv)
693 int argc;
694 char **argv;
695 {
696 sig_t oldintr;
697 int ch, ointer;
698 char *cp, *tp, *tp2, tmpbuf[MAXPATHLEN];
699
700 if (argc < 2 && !another(&argc, &argv, "remote-files")) {
701 printf("usage: %s remote-files\n", argv[0]);
702 code = -1;
703 return;
704 }
705 mname = argv[0];
706 mflag = 1;
707 oldintr = signal(SIGINT, mabort);
708 (void) setjmp(jabort);
709 while ((cp = remglob(argv,proxy)) != NULL) {
710 if (*cp == '\0') {
711 mflag = 0;
712 continue;
713 }
714 if (mflag && confirm(argv[0], cp)) {
715 tp = cp;
716 if (mcase) {
717 for (tp2 = tmpbuf; ch = *tp++;)
718 *tp2++ = isupper(ch) ? tolower(ch) : ch;
719 tp = tmpbuf;
720 }
721 if (ntflag) {
722 tp = dotrans(tp);
723 }
724 if (mapflag) {
725 tp = domap(tp);
726 }
727 recvrequest("RETR", tp, cp, "w",
728 tp != cp || !interactive);
729 if (!mflag && fromatty) {
730 ointer = interactive;
731 interactive = 1;
732 if (confirm("Continue with","mget")) {
733 mflag++;
734 }
735 interactive = ointer;
736 }
737 }
738 }
739 (void) signal(SIGINT,oldintr);
740 mflag = 0;
741 }
742
743 char *
remglob(argv,doswitch)744 remglob(argv,doswitch)
745 char *argv[];
746 int doswitch;
747 {
748 char temp[16];
749 static char buf[MAXPATHLEN];
750 static FILE *ftemp = NULL;
751 static char **args;
752 int oldverbose, oldhash;
753 char *cp, *mode;
754
755 if (!mflag) {
756 if (!doglob) {
757 args = NULL;
758 }
759 else {
760 if (ftemp) {
761 (void) fclose(ftemp);
762 ftemp = NULL;
763 }
764 }
765 return (NULL);
766 }
767 if (!doglob) {
768 if (args == NULL)
769 args = argv;
770 if ((cp = *++args) == NULL)
771 args = NULL;
772 return (cp);
773 }
774 if (ftemp == NULL) {
775 (void) strcpy(temp, _PATH_TMP);
776 (void) mktemp(temp);
777 oldverbose = verbose, verbose = 0;
778 oldhash = hash, hash = 0;
779 if (doswitch) {
780 pswitch(!proxy);
781 }
782 for (mode = "w"; *++argv != NULL; mode = "a")
783 recvrequest ("NLST", temp, *argv, mode, 0);
784 if (doswitch) {
785 pswitch(!proxy);
786 }
787 verbose = oldverbose; hash = oldhash;
788 ftemp = fopen(temp, "r");
789 (void) unlink(temp);
790 if (ftemp == NULL) {
791 printf("can't find list of remote files, oops\n");
792 return (NULL);
793 }
794 }
795 if (fgets(buf, sizeof (buf), ftemp) == NULL) {
796 (void) fclose(ftemp), ftemp = NULL;
797 return (NULL);
798 }
799 if ((cp = strchr(buf, '\n')) != NULL)
800 *cp = '\0';
801 return (buf);
802 }
803
804 char *
805 onoff(bool)
806 int bool;
807 {
808
809 return (bool ? "on" : "off");
810 }
811
812 /*
813 * Show status.
814 */
815 /*ARGSUSED*/
816 void
status(argc,argv)817 status(argc, argv)
818 int argc;
819 char *argv[];
820 {
821 int i;
822
823 if (connected)
824 printf("Connected to %s.\n", hostname);
825 else
826 printf("Not connected.\n");
827 if (!proxy) {
828 pswitch(1);
829 if (connected) {
830 printf("Connected for proxy commands to %s.\n", hostname);
831 }
832 else {
833 printf("No proxy connection.\n");
834 }
835 pswitch(0);
836 }
837 printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n",
838 modename, typename, formname, structname);
839 printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n",
840 onoff(verbose), onoff(bell), onoff(interactive),
841 onoff(doglob));
842 printf("Store unique: %s; Receive unique: %s\n", onoff(sunique),
843 onoff(runique));
844 printf("Case: %s; CR stripping: %s\n",onoff(mcase),onoff(crflag));
845 if (ntflag) {
846 printf("Ntrans: (in) %s (out) %s\n", ntin,ntout);
847 }
848 else {
849 printf("Ntrans: off\n");
850 }
851 if (mapflag) {
852 printf("Nmap: (in) %s (out) %s\n", mapin, mapout);
853 }
854 else {
855 printf("Nmap: off\n");
856 }
857 printf("Hash mark printing: %s; Use of PORT cmds: %s\n",
858 onoff(hash), onoff(sendport));
859 if (macnum > 0) {
860 printf("Macros:\n");
861 for (i=0; i<macnum; i++) {
862 printf("\t%s\n",macros[i].mac_name);
863 }
864 }
865 code = 0;
866 }
867
868 /*
869 * Set beep on cmd completed mode.
870 */
871 /*VARARGS*/
872 void
setbell(argc,argv)873 setbell(argc, argv)
874 int argc;
875 char *argv[];
876 {
877
878 bell = !bell;
879 printf("Bell mode %s.\n", onoff(bell));
880 code = bell;
881 }
882
883 /*
884 * Turn on packet tracing.
885 */
886 /*VARARGS*/
887 void
settrace(argc,argv)888 settrace(argc, argv)
889 int argc;
890 char *argv[];
891 {
892
893 trace = !trace;
894 printf("Packet tracing %s.\n", onoff(trace));
895 code = trace;
896 }
897
898 /*
899 * Toggle hash mark printing during transfers.
900 */
901 /*VARARGS*/
902 void
sethash(argc,argv)903 sethash(argc, argv)
904 int argc;
905 char *argv[];
906 {
907
908 hash = !hash;
909 printf("Hash mark printing %s", onoff(hash));
910 code = hash;
911 if (hash)
912 printf(" (%d bytes/hash mark)", 1024);
913 printf(".\n");
914 }
915
916 /*
917 * Turn on printing of server echo's.
918 */
919 /*VARARGS*/
920 void
setverbose(argc,argv)921 setverbose(argc, argv)
922 int argc;
923 char *argv[];
924 {
925
926 verbose = !verbose;
927 printf("Verbose mode %s.\n", onoff(verbose));
928 code = verbose;
929 }
930
931 /*
932 * Toggle PORT cmd use before each data connection.
933 */
934 /*VARARGS*/
935 void
setport(argc,argv)936 setport(argc, argv)
937 int argc;
938 char *argv[];
939 {
940
941 sendport = !sendport;
942 printf("Use of PORT cmds %s.\n", onoff(sendport));
943 code = sendport;
944 }
945
946 /*
947 * Turn on interactive prompting
948 * during mget, mput, and mdelete.
949 */
950 /*VARARGS*/
951 void
setprompt(argc,argv)952 setprompt(argc, argv)
953 int argc;
954 char *argv[];
955 {
956
957 interactive = !interactive;
958 printf("Interactive mode %s.\n", onoff(interactive));
959 code = interactive;
960 }
961
962 /*
963 * Toggle metacharacter interpretation
964 * on local file names.
965 */
966 /*VARARGS*/
967 void
setglob(argc,argv)968 setglob(argc, argv)
969 int argc;
970 char *argv[];
971 {
972
973 doglob = !doglob;
974 printf("Globbing %s.\n", onoff(doglob));
975 code = doglob;
976 }
977
978 /*
979 * Set debugging mode on/off and/or
980 * set level of debugging.
981 */
982 /*VARARGS*/
983 void
setdebug(argc,argv)984 setdebug(argc, argv)
985 int argc;
986 char *argv[];
987 {
988 int val;
989
990 if (argc > 1) {
991 val = atoi(argv[1]);
992 if (val < 0) {
993 printf("%s: bad debugging value.\n", argv[1]);
994 code = -1;
995 return;
996 }
997 } else
998 val = !debug;
999 debug = val;
1000 if (debug)
1001 options |= SO_DEBUG;
1002 else
1003 options &= ~SO_DEBUG;
1004 printf("Debugging %s (debug=%d).\n", onoff(debug), debug);
1005 code = debug > 0;
1006 }
1007
1008 /*
1009 * Set current working directory
1010 * on remote machine.
1011 */
1012 void
cd(argc,argv)1013 cd(argc, argv)
1014 int argc;
1015 char *argv[];
1016 {
1017
1018 if (argc < 2 && !another(&argc, &argv, "remote-directory")) {
1019 printf("usage: %s remote-directory\n", argv[0]);
1020 code = -1;
1021 return;
1022 }
1023 if (command("CWD %s", argv[1]) == ERROR && code == 500) {
1024 if (verbose)
1025 printf("CWD command not recognized, trying XCWD\n");
1026 (void) command("XCWD %s", argv[1]);
1027 }
1028 }
1029
1030 /*
1031 * Set current working directory
1032 * on local machine.
1033 */
1034 void
lcd(argc,argv)1035 lcd(argc, argv)
1036 int argc;
1037 char *argv[];
1038 {
1039 char buf[MAXPATHLEN];
1040
1041 if (argc < 2)
1042 argc++, argv[1] = home;
1043 if (argc != 2) {
1044 printf("usage: %s local-directory\n", argv[0]);
1045 code = -1;
1046 return;
1047 }
1048 if (!globulize(&argv[1])) {
1049 code = -1;
1050 return;
1051 }
1052 if (chdir(argv[1]) < 0) {
1053 warn("local: %s", argv[1]);
1054 code = -1;
1055 return;
1056 }
1057 if (getwd(buf) != NULL)
1058 printf("Local directory now %s\n", buf);
1059 else
1060 warnx("getwd: %s", buf);
1061 code = 0;
1062 }
1063
1064 /*
1065 * Delete a single file.
1066 */
1067 void
delete(argc,argv)1068 delete(argc, argv)
1069 int argc;
1070 char *argv[];
1071 {
1072
1073 if (argc < 2 && !another(&argc, &argv, "remote-file")) {
1074 printf("usage: %s remote-file\n", argv[0]);
1075 code = -1;
1076 return;
1077 }
1078 (void) command("DELE %s", argv[1]);
1079 }
1080
1081 /*
1082 * Delete multiple files.
1083 */
1084 void
mdelete(argc,argv)1085 mdelete(argc, argv)
1086 int argc;
1087 char **argv;
1088 {
1089 sig_t oldintr;
1090 int ointer;
1091 char *cp;
1092
1093 if (argc < 2 && !another(&argc, &argv, "remote-files")) {
1094 printf("usage: %s remote-files\n", argv[0]);
1095 code = -1;
1096 return;
1097 }
1098 mname = argv[0];
1099 mflag = 1;
1100 oldintr = signal(SIGINT, mabort);
1101 (void) setjmp(jabort);
1102 while ((cp = remglob(argv,0)) != NULL) {
1103 if (*cp == '\0') {
1104 mflag = 0;
1105 continue;
1106 }
1107 if (mflag && confirm(argv[0], cp)) {
1108 (void) command("DELE %s", cp);
1109 if (!mflag && fromatty) {
1110 ointer = interactive;
1111 interactive = 1;
1112 if (confirm("Continue with", "mdelete")) {
1113 mflag++;
1114 }
1115 interactive = ointer;
1116 }
1117 }
1118 }
1119 (void) signal(SIGINT, oldintr);
1120 mflag = 0;
1121 }
1122
1123 /*
1124 * Rename a remote file.
1125 */
1126 void
renamefile(argc,argv)1127 renamefile(argc, argv)
1128 int argc;
1129 char *argv[];
1130 {
1131
1132 if (argc < 2 && !another(&argc, &argv, "from-name"))
1133 goto usage;
1134 if (argc < 3 && !another(&argc, &argv, "to-name")) {
1135 usage:
1136 printf("%s from-name to-name\n", argv[0]);
1137 code = -1;
1138 return;
1139 }
1140 if (command("RNFR %s", argv[1]) == CONTINUE)
1141 (void) command("RNTO %s", argv[2]);
1142 }
1143
1144 /*
1145 * Get a directory listing
1146 * of remote files.
1147 */
1148 void
ls(argc,argv)1149 ls(argc, argv)
1150 int argc;
1151 char *argv[];
1152 {
1153 char *cmd;
1154
1155 if (argc < 2)
1156 argc++, argv[1] = NULL;
1157 if (argc < 3)
1158 argc++, argv[2] = "-";
1159 if (argc > 3) {
1160 printf("usage: %s remote-directory local-file\n", argv[0]);
1161 code = -1;
1162 return;
1163 }
1164 cmd = argv[0][0] == 'n' ? "NLST" : "LIST";
1165 if (strcmp(argv[2], "-") && !globulize(&argv[2])) {
1166 code = -1;
1167 return;
1168 }
1169 if (strcmp(argv[2], "-") && *argv[2] != '|')
1170 if (!globulize(&argv[2]) || !confirm("output to local-file:", argv[2])) {
1171 code = -1;
1172 return;
1173 }
1174 recvrequest(cmd, argv[2], argv[1], "w", 0);
1175 }
1176
1177 /*
1178 * Get a directory listing
1179 * of multiple remote files.
1180 */
1181 void
mls(argc,argv)1182 mls(argc, argv)
1183 int argc;
1184 char **argv;
1185 {
1186 sig_t oldintr;
1187 int ointer, i;
1188 char *cmd, mode[1], *dest;
1189
1190 if (argc < 2 && !another(&argc, &argv, "remote-files"))
1191 goto usage;
1192 if (argc < 3 && !another(&argc, &argv, "local-file")) {
1193 usage:
1194 printf("usage: %s remote-files local-file\n", argv[0]);
1195 code = -1;
1196 return;
1197 }
1198 dest = argv[argc - 1];
1199 argv[argc - 1] = NULL;
1200 if (strcmp(dest, "-") && *dest != '|')
1201 if (!globulize(&dest) ||
1202 !confirm("output to local-file:", dest)) {
1203 code = -1;
1204 return;
1205 }
1206 cmd = argv[0][1] == 'l' ? "NLST" : "LIST";
1207 mname = argv[0];
1208 mflag = 1;
1209 oldintr = signal(SIGINT, mabort);
1210 (void) setjmp(jabort);
1211 for (i = 1; mflag && i < argc-1; ++i) {
1212 *mode = (i == 1) ? 'w' : 'a';
1213 recvrequest(cmd, dest, argv[i], mode, 0);
1214 if (!mflag && fromatty) {
1215 ointer = interactive;
1216 interactive = 1;
1217 if (confirm("Continue with", argv[0])) {
1218 mflag ++;
1219 }
1220 interactive = ointer;
1221 }
1222 }
1223 (void) signal(SIGINT, oldintr);
1224 mflag = 0;
1225 }
1226
1227 /*
1228 * Do a shell escape
1229 */
1230 /*ARGSUSED*/
1231 void
shell(argc,argv)1232 shell(argc, argv)
1233 int argc;
1234 char **argv;
1235 {
1236 pid_t pid;
1237 sig_t old1, old2;
1238 char shellnam[40], *shell, *namep;
1239 union wait status;
1240
1241 old1 = signal (SIGINT, SIG_IGN);
1242 old2 = signal (SIGQUIT, SIG_IGN);
1243 if ((pid = fork()) == 0) {
1244 for (pid = 3; pid < 20; pid++)
1245 (void) close(pid);
1246 (void) signal(SIGINT, SIG_DFL);
1247 (void) signal(SIGQUIT, SIG_DFL);
1248 shell = getenv("SHELL");
1249 if (shell == NULL)
1250 shell = _PATH_BSHELL;
1251 namep = strrchr(shell,'/');
1252 if (namep == NULL)
1253 namep = shell;
1254 (void) strcpy(shellnam,"-");
1255 (void) strcat(shellnam, ++namep);
1256 if (strcmp(namep, "sh") != 0)
1257 shellnam[0] = '+';
1258 if (debug) {
1259 printf ("%s\n", shell);
1260 (void) fflush (stdout);
1261 }
1262 if (argc > 1) {
1263 execl(shell,shellnam,"-c",altarg,(char *)0);
1264 }
1265 else {
1266 execl(shell,shellnam,(char *)0);
1267 }
1268 warn("%s", shell);
1269 code = -1;
1270 exit(1);
1271 }
1272 if (pid > 0)
1273 while (wait((int *)&status) != pid)
1274 ;
1275 (void) signal(SIGINT, old1);
1276 (void) signal(SIGQUIT, old2);
1277 if (pid == -1) {
1278 warn("%s", "Try again later");
1279 code = -1;
1280 }
1281 else {
1282 code = 0;
1283 }
1284 }
1285
1286 /*
1287 * Send new user information (re-login)
1288 */
1289 void
user(argc,argv)1290 user(argc, argv)
1291 int argc;
1292 char **argv;
1293 {
1294 char acct[80];
1295 int n, aflag = 0;
1296
1297 if (argc < 2)
1298 (void) another(&argc, &argv, "username");
1299 if (argc < 2 || argc > 4) {
1300 printf("usage: %s username [password] [account]\n", argv[0]);
1301 code = -1;
1302 return;
1303 }
1304 n = command("USER %s", argv[1]);
1305 if (n == CONTINUE) {
1306 if (argc < 3 )
1307 argv[2] = getpass("Password: "), argc++;
1308 n = command("PASS %s", argv[2]);
1309 }
1310 if (n == CONTINUE) {
1311 if (argc < 4) {
1312 printf("Account: "); (void) fflush(stdout);
1313 (void) fgets(acct, sizeof(acct) - 1, stdin);
1314 acct[strlen(acct) - 1] = '\0';
1315 argv[3] = acct; argc++;
1316 }
1317 n = command("ACCT %s", argv[3]);
1318 aflag++;
1319 }
1320 if (n != COMPLETE) {
1321 fprintf(stdout, "Login failed.\n");
1322 return;
1323 }
1324 if (!aflag && argc == 4) {
1325 (void) command("ACCT %s", argv[3]);
1326 }
1327 }
1328
1329 /*
1330 * Print working directory.
1331 */
1332 /*VARARGS*/
1333 void
pwd(argc,argv)1334 pwd(argc, argv)
1335 int argc;
1336 char *argv[];
1337 {
1338 int oldverbose = verbose;
1339
1340 /*
1341 * If we aren't verbose, this doesn't do anything!
1342 */
1343 verbose = 1;
1344 if (command("PWD") == ERROR && code == 500) {
1345 printf("PWD command not recognized, trying XPWD\n");
1346 (void) command("XPWD");
1347 }
1348 verbose = oldverbose;
1349 }
1350
1351 /*
1352 * Make a directory.
1353 */
1354 void
makedir(argc,argv)1355 makedir(argc, argv)
1356 int argc;
1357 char *argv[];
1358 {
1359
1360 if (argc < 2 && !another(&argc, &argv, "directory-name")) {
1361 printf("usage: %s directory-name\n", argv[0]);
1362 code = -1;
1363 return;
1364 }
1365 if (command("MKD %s", argv[1]) == ERROR && code == 500) {
1366 if (verbose)
1367 printf("MKD command not recognized, trying XMKD\n");
1368 (void) command("XMKD %s", argv[1]);
1369 }
1370 }
1371
1372 /*
1373 * Remove a directory.
1374 */
1375 void
removedir(argc,argv)1376 removedir(argc, argv)
1377 int argc;
1378 char *argv[];
1379 {
1380
1381 if (argc < 2 && !another(&argc, &argv, "directory-name")) {
1382 printf("usage: %s directory-name\n", argv[0]);
1383 code = -1;
1384 return;
1385 }
1386 if (command("RMD %s", argv[1]) == ERROR && code == 500) {
1387 if (verbose)
1388 printf("RMD command not recognized, trying XRMD\n");
1389 (void) command("XRMD %s", argv[1]);
1390 }
1391 }
1392
1393 /*
1394 * Send a line, verbatim, to the remote machine.
1395 */
1396 void
quote(argc,argv)1397 quote(argc, argv)
1398 int argc;
1399 char *argv[];
1400 {
1401
1402 if (argc < 2 && !another(&argc, &argv, "command line to send")) {
1403 printf("usage: %s line-to-send\n", argv[0]);
1404 code = -1;
1405 return;
1406 }
1407 quote1("", argc, argv);
1408 }
1409
1410 /*
1411 * Send a SITE command to the remote machine. The line
1412 * is sent verbatim to the remote machine, except that the
1413 * word "SITE" is added at the front.
1414 */
1415 void
site(argc,argv)1416 site(argc, argv)
1417 int argc;
1418 char *argv[];
1419 {
1420
1421 if (argc < 2 && !another(&argc, &argv, "arguments to SITE command")) {
1422 printf("usage: %s line-to-send\n", argv[0]);
1423 code = -1;
1424 return;
1425 }
1426 quote1("SITE ", argc, argv);
1427 }
1428
1429 /*
1430 * Turn argv[1..argc) into a space-separated string, then prepend initial text.
1431 * Send the result as a one-line command and get response.
1432 */
1433 void
quote1(initial,argc,argv)1434 quote1(initial, argc, argv)
1435 char *initial;
1436 int argc;
1437 char **argv;
1438 {
1439 int i, len;
1440 char buf[BUFSIZ]; /* must be >= sizeof(line) */
1441
1442 (void) strcpy(buf, initial);
1443 if (argc > 1) {
1444 len = strlen(buf);
1445 len += strlen(strcpy(&buf[len], argv[1]));
1446 for (i = 2; i < argc; i++) {
1447 buf[len++] = ' ';
1448 len += strlen(strcpy(&buf[len], argv[i]));
1449 }
1450 }
1451 if (command(buf) == PRELIM) {
1452 while (getreply(0) == PRELIM)
1453 continue;
1454 }
1455 }
1456
1457 void
do_chmod(argc,argv)1458 do_chmod(argc, argv)
1459 int argc;
1460 char *argv[];
1461 {
1462
1463 if (argc < 2 && !another(&argc, &argv, "mode"))
1464 goto usage;
1465 if (argc < 3 && !another(&argc, &argv, "file-name")) {
1466 usage:
1467 printf("usage: %s mode file-name\n", argv[0]);
1468 code = -1;
1469 return;
1470 }
1471 (void) command("SITE CHMOD %s %s", argv[1], argv[2]);
1472 }
1473
1474 void
do_umask(argc,argv)1475 do_umask(argc, argv)
1476 int argc;
1477 char *argv[];
1478 {
1479 int oldverbose = verbose;
1480
1481 verbose = 1;
1482 (void) command(argc == 1 ? "SITE UMASK" : "SITE UMASK %s", argv[1]);
1483 verbose = oldverbose;
1484 }
1485
1486 void
idle(argc,argv)1487 idle(argc, argv)
1488 int argc;
1489 char *argv[];
1490 {
1491 int oldverbose = verbose;
1492
1493 verbose = 1;
1494 (void) command(argc == 1 ? "SITE IDLE" : "SITE IDLE %s", argv[1]);
1495 verbose = oldverbose;
1496 }
1497
1498 /*
1499 * Ask the other side for help.
1500 */
1501 void
rmthelp(argc,argv)1502 rmthelp(argc, argv)
1503 int argc;
1504 char *argv[];
1505 {
1506 int oldverbose = verbose;
1507
1508 verbose = 1;
1509 (void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]);
1510 verbose = oldverbose;
1511 }
1512
1513 /*
1514 * Terminate session and exit.
1515 */
1516 /*VARARGS*/
1517 void
quit(argc,argv)1518 quit(argc, argv)
1519 int argc;
1520 char *argv[];
1521 {
1522
1523 if (connected)
1524 disconnect(0, 0);
1525 pswitch(1);
1526 if (connected) {
1527 disconnect(0, 0);
1528 }
1529 exit(0);
1530 }
1531
1532 /*
1533 * Terminate session, but don't exit.
1534 */
1535 void
disconnect(argc,argv)1536 disconnect(argc, argv)
1537 int argc;
1538 char *argv[];
1539 {
1540
1541 if (!connected)
1542 return;
1543 (void) command("QUIT");
1544 if (cout) {
1545 (void) fclose(cout);
1546 }
1547 cout = NULL;
1548 connected = 0;
1549 data = -1;
1550 if (!proxy) {
1551 macnum = 0;
1552 }
1553 }
1554
1555 int
confirm(cmd,file)1556 confirm(cmd, file)
1557 char *cmd, *file;
1558 {
1559 char line[BUFSIZ];
1560
1561 if (!interactive)
1562 return (1);
1563 printf("%s %s? ", cmd, file);
1564 (void) fflush(stdout);
1565 if (fgets(line, sizeof line, stdin) == NULL)
1566 return (0);
1567 return (*line != 'n' && *line != 'N');
1568 }
1569
1570 void
fatal(msg)1571 fatal(msg)
1572 char *msg;
1573 {
1574
1575 errx(1, "%s", msg);
1576 }
1577
1578 /*
1579 * Glob a local file name specification with
1580 * the expectation of a single return value.
1581 * Can't control multiple values being expanded
1582 * from the expression, we return only the first.
1583 */
1584 int
globulize(cpp)1585 globulize(cpp)
1586 char **cpp;
1587 {
1588 glob_t gl;
1589 int flags;
1590
1591 if (!doglob)
1592 return (1);
1593
1594 flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
1595 memset(&gl, 0, sizeof(gl));
1596 if (glob(*cpp, flags, NULL, &gl) ||
1597 gl.gl_pathc == 0) {
1598 warnx("%s: not found", *cpp);
1599 globfree(&gl);
1600 return (0);
1601 }
1602 *cpp = strdup(gl.gl_pathv[0]); /* XXX - wasted memory */
1603 globfree(&gl);
1604 return (1);
1605 }
1606
1607 void
account(argc,argv)1608 account(argc,argv)
1609 int argc;
1610 char **argv;
1611 {
1612 char acct[50], *ap;
1613
1614 if (argc > 1) {
1615 ++argv;
1616 --argc;
1617 (void) strncpy(acct,*argv,49);
1618 acct[49] = '\0';
1619 while (argc > 1) {
1620 --argc;
1621 ++argv;
1622 (void) strncat(acct,*argv, 49-strlen(acct));
1623 }
1624 ap = acct;
1625 }
1626 else {
1627 ap = getpass("Account:");
1628 }
1629 (void) command("ACCT %s", ap);
1630 }
1631
1632 jmp_buf abortprox;
1633
1634 void
proxabort()1635 proxabort()
1636 {
1637
1638 if (!proxy) {
1639 pswitch(1);
1640 }
1641 if (connected) {
1642 proxflag = 1;
1643 }
1644 else {
1645 proxflag = 0;
1646 }
1647 pswitch(0);
1648 longjmp(abortprox,1);
1649 }
1650
1651 void
doproxy(argc,argv)1652 doproxy(argc, argv)
1653 int argc;
1654 char *argv[];
1655 {
1656 struct cmd *c;
1657 sig_t oldintr;
1658
1659 if (argc < 2 && !another(&argc, &argv, "command")) {
1660 printf("usage: %s command\n", argv[0]);
1661 code = -1;
1662 return;
1663 }
1664 c = getcmd(argv[1]);
1665 if (c == (struct cmd *) -1) {
1666 printf("?Ambiguous command\n");
1667 (void) fflush(stdout);
1668 code = -1;
1669 return;
1670 }
1671 if (c == 0) {
1672 printf("?Invalid command\n");
1673 (void) fflush(stdout);
1674 code = -1;
1675 return;
1676 }
1677 if (!c->c_proxy) {
1678 printf("?Invalid proxy command\n");
1679 (void) fflush(stdout);
1680 code = -1;
1681 return;
1682 }
1683 if (setjmp(abortprox)) {
1684 code = -1;
1685 return;
1686 }
1687 oldintr = signal(SIGINT, proxabort);
1688 pswitch(1);
1689 if (c->c_conn && !connected) {
1690 printf("Not connected\n");
1691 (void) fflush(stdout);
1692 pswitch(0);
1693 (void) signal(SIGINT, oldintr);
1694 code = -1;
1695 return;
1696 }
1697 (*c->c_handler)(argc-1, argv+1);
1698 if (connected) {
1699 proxflag = 1;
1700 }
1701 else {
1702 proxflag = 0;
1703 }
1704 pswitch(0);
1705 (void) signal(SIGINT, oldintr);
1706 }
1707
1708 void
setcase(argc,argv)1709 setcase(argc, argv)
1710 int argc;
1711 char *argv[];
1712 {
1713
1714 mcase = !mcase;
1715 printf("Case mapping %s.\n", onoff(mcase));
1716 code = mcase;
1717 }
1718
1719 void
setcr(argc,argv)1720 setcr(argc, argv)
1721 int argc;
1722 char *argv[];
1723 {
1724
1725 crflag = !crflag;
1726 printf("Carriage Return stripping %s.\n", onoff(crflag));
1727 code = crflag;
1728 }
1729
1730 void
setntrans(argc,argv)1731 setntrans(argc,argv)
1732 int argc;
1733 char *argv[];
1734 {
1735 if (argc == 1) {
1736 ntflag = 0;
1737 printf("Ntrans off.\n");
1738 code = ntflag;
1739 return;
1740 }
1741 ntflag++;
1742 code = ntflag;
1743 (void) strncpy(ntin, argv[1], 16);
1744 ntin[16] = '\0';
1745 if (argc == 2) {
1746 ntout[0] = '\0';
1747 return;
1748 }
1749 (void) strncpy(ntout, argv[2], 16);
1750 ntout[16] = '\0';
1751 }
1752
1753 char *
dotrans(name)1754 dotrans(name)
1755 char *name;
1756 {
1757 static char new[MAXPATHLEN];
1758 char *cp1, *cp2 = new;
1759 int i, ostop, found;
1760
1761 for (ostop = 0; *(ntout + ostop) && ostop < 16; ostop++)
1762 continue;
1763 for (cp1 = name; *cp1; cp1++) {
1764 found = 0;
1765 for (i = 0; *(ntin + i) && i < 16; i++) {
1766 if (*cp1 == *(ntin + i)) {
1767 found++;
1768 if (i < ostop) {
1769 *cp2++ = *(ntout + i);
1770 }
1771 break;
1772 }
1773 }
1774 if (!found) {
1775 *cp2++ = *cp1;
1776 }
1777 }
1778 *cp2 = '\0';
1779 return (new);
1780 }
1781
1782 void
setnmap(argc,argv)1783 setnmap(argc, argv)
1784 int argc;
1785 char *argv[];
1786 {
1787 char *cp;
1788
1789 if (argc == 1) {
1790 mapflag = 0;
1791 printf("Nmap off.\n");
1792 code = mapflag;
1793 return;
1794 }
1795 if (argc < 3 && !another(&argc, &argv, "mapout")) {
1796 printf("Usage: %s [mapin mapout]\n",argv[0]);
1797 code = -1;
1798 return;
1799 }
1800 mapflag = 1;
1801 code = 1;
1802 cp = strchr(altarg, ' ');
1803 if (proxy) {
1804 while(*++cp == ' ')
1805 continue;
1806 altarg = cp;
1807 cp = strchr(altarg, ' ');
1808 }
1809 *cp = '\0';
1810 (void) strncpy(mapin, altarg, MAXPATHLEN - 1);
1811 while (*++cp == ' ')
1812 continue;
1813 (void) strncpy(mapout, cp, MAXPATHLEN - 1);
1814 }
1815
1816 char *
domap(name)1817 domap(name)
1818 char *name;
1819 {
1820 static char new[MAXPATHLEN];
1821 char *cp1 = name, *cp2 = mapin;
1822 char *tp[9], *te[9];
1823 int i, toks[9], toknum = 0, match = 1;
1824
1825 for (i=0; i < 9; ++i) {
1826 toks[i] = 0;
1827 }
1828 while (match && *cp1 && *cp2) {
1829 switch (*cp2) {
1830 case '\\':
1831 if (*++cp2 != *cp1) {
1832 match = 0;
1833 }
1834 break;
1835 case '$':
1836 if (*(cp2+1) >= '1' && (*cp2+1) <= '9') {
1837 if (*cp1 != *(++cp2+1)) {
1838 toks[toknum = *cp2 - '1']++;
1839 tp[toknum] = cp1;
1840 while (*++cp1 && *(cp2+1)
1841 != *cp1);
1842 te[toknum] = cp1;
1843 }
1844 cp2++;
1845 break;
1846 }
1847 /* FALLTHROUGH */
1848 default:
1849 if (*cp2 != *cp1) {
1850 match = 0;
1851 }
1852 break;
1853 }
1854 if (match && *cp1) {
1855 cp1++;
1856 }
1857 if (match && *cp2) {
1858 cp2++;
1859 }
1860 }
1861 if (!match && *cp1) /* last token mismatch */
1862 {
1863 toks[toknum] = 0;
1864 }
1865 cp1 = new;
1866 *cp1 = '\0';
1867 cp2 = mapout;
1868 while (*cp2) {
1869 match = 0;
1870 switch (*cp2) {
1871 case '\\':
1872 if (*(cp2 + 1)) {
1873 *cp1++ = *++cp2;
1874 }
1875 break;
1876 case '[':
1877 LOOP:
1878 if (*++cp2 == '$' && isdigit(*(cp2+1))) {
1879 if (*++cp2 == '0') {
1880 char *cp3 = name;
1881
1882 while (*cp3) {
1883 *cp1++ = *cp3++;
1884 }
1885 match = 1;
1886 }
1887 else if (toks[toknum = *cp2 - '1']) {
1888 char *cp3 = tp[toknum];
1889
1890 while (cp3 != te[toknum]) {
1891 *cp1++ = *cp3++;
1892 }
1893 match = 1;
1894 }
1895 }
1896 else {
1897 while (*cp2 && *cp2 != ',' &&
1898 *cp2 != ']') {
1899 if (*cp2 == '\\') {
1900 cp2++;
1901 }
1902 else if (*cp2 == '$' &&
1903 isdigit(*(cp2+1))) {
1904 if (*++cp2 == '0') {
1905 char *cp3 = name;
1906
1907 while (*cp3) {
1908 *cp1++ = *cp3++;
1909 }
1910 }
1911 else if (toks[toknum =
1912 *cp2 - '1']) {
1913 char *cp3=tp[toknum];
1914
1915 while (cp3 !=
1916 te[toknum]) {
1917 *cp1++ = *cp3++;
1918 }
1919 }
1920 }
1921 else if (*cp2) {
1922 *cp1++ = *cp2++;
1923 }
1924 }
1925 if (!*cp2) {
1926 printf("nmap: unbalanced brackets\n");
1927 return (name);
1928 }
1929 match = 1;
1930 cp2--;
1931 }
1932 if (match) {
1933 while (*++cp2 && *cp2 != ']') {
1934 if (*cp2 == '\\' && *(cp2 + 1)) {
1935 cp2++;
1936 }
1937 }
1938 if (!*cp2) {
1939 printf("nmap: unbalanced brackets\n");
1940 return (name);
1941 }
1942 break;
1943 }
1944 switch (*++cp2) {
1945 case ',':
1946 goto LOOP;
1947 case ']':
1948 break;
1949 default:
1950 cp2--;
1951 goto LOOP;
1952 }
1953 break;
1954 case '$':
1955 if (isdigit(*(cp2 + 1))) {
1956 if (*++cp2 == '0') {
1957 char *cp3 = name;
1958
1959 while (*cp3) {
1960 *cp1++ = *cp3++;
1961 }
1962 }
1963 else if (toks[toknum = *cp2 - '1']) {
1964 char *cp3 = tp[toknum];
1965
1966 while (cp3 != te[toknum]) {
1967 *cp1++ = *cp3++;
1968 }
1969 }
1970 break;
1971 }
1972 /* intentional drop through */
1973 default:
1974 *cp1++ = *cp2;
1975 break;
1976 }
1977 cp2++;
1978 }
1979 *cp1 = '\0';
1980 if (!*new) {
1981 return (name);
1982 }
1983 return (new);
1984 }
1985
1986 void
setpassive(argc,argv)1987 setpassive(argc, argv)
1988 int argc;
1989 char *argv[];
1990 {
1991
1992 passivemode = !passivemode;
1993 printf("Passive mode %s.\n", onoff(passivemode));
1994 code = passivemode;
1995 }
1996
1997 void
setsunique(argc,argv)1998 setsunique(argc, argv)
1999 int argc;
2000 char *argv[];
2001 {
2002
2003 sunique = !sunique;
2004 printf("Store unique %s.\n", onoff(sunique));
2005 code = sunique;
2006 }
2007
2008 void
setrunique(argc,argv)2009 setrunique(argc, argv)
2010 int argc;
2011 char *argv[];
2012 {
2013
2014 runique = !runique;
2015 printf("Receive unique %s.\n", onoff(runique));
2016 code = runique;
2017 }
2018
2019 /* change directory to perent directory */
2020 void
cdup(argc,argv)2021 cdup(argc, argv)
2022 int argc;
2023 char *argv[];
2024 {
2025
2026 if (command("CDUP") == ERROR && code == 500) {
2027 if (verbose)
2028 printf("CDUP command not recognized, trying XCUP\n");
2029 (void) command("XCUP");
2030 }
2031 }
2032
2033 /* restart transfer at specific point */
2034 void
restart(argc,argv)2035 restart(argc, argv)
2036 int argc;
2037 char *argv[];
2038 {
2039
2040 if (argc != 2)
2041 printf("restart: offset not specified\n");
2042 else {
2043 restart_point = atol(argv[1]);
2044 printf("restarting at %qd. %s\n", restart_point,
2045 "execute get, put or append to initiate transfer");
2046 }
2047 }
2048
2049 /* show remote system type */
2050 void
syst(argc,argv)2051 syst(argc, argv)
2052 int argc;
2053 char *argv[];
2054 {
2055
2056 (void) command("SYST");
2057 }
2058
2059 void
macdef(argc,argv)2060 macdef(argc, argv)
2061 int argc;
2062 char *argv[];
2063 {
2064 char *tmp;
2065 int c;
2066
2067 if (macnum == 16) {
2068 printf("Limit of 16 macros have already been defined\n");
2069 code = -1;
2070 return;
2071 }
2072 if (argc < 2 && !another(&argc, &argv, "macro name")) {
2073 printf("Usage: %s macro_name\n",argv[0]);
2074 code = -1;
2075 return;
2076 }
2077 if (interactive) {
2078 printf("Enter macro line by line, terminating it with a null line\n");
2079 }
2080 (void) strncpy(macros[macnum].mac_name, argv[1], 8);
2081 if (macnum == 0) {
2082 macros[macnum].mac_start = macbuf;
2083 }
2084 else {
2085 macros[macnum].mac_start = macros[macnum - 1].mac_end + 1;
2086 }
2087 tmp = macros[macnum].mac_start;
2088 while (tmp != macbuf+4096) {
2089 if ((c = getchar()) == EOF) {
2090 printf("macdef:end of file encountered\n");
2091 code = -1;
2092 return;
2093 }
2094 if ((*tmp = c) == '\n') {
2095 if (tmp == macros[macnum].mac_start) {
2096 macros[macnum++].mac_end = tmp;
2097 code = 0;
2098 return;
2099 }
2100 if (*(tmp-1) == '\0') {
2101 macros[macnum++].mac_end = tmp - 1;
2102 code = 0;
2103 return;
2104 }
2105 *tmp = '\0';
2106 }
2107 tmp++;
2108 }
2109 while (1) {
2110 while ((c = getchar()) != '\n' && c != EOF)
2111 /* LOOP */;
2112 if (c == EOF || getchar() == '\n') {
2113 printf("Macro not defined - 4k buffer exceeded\n");
2114 code = -1;
2115 return;
2116 }
2117 }
2118 }
2119
2120 /*
2121 * get size of file on remote machine
2122 */
2123 void
sizecmd(argc,argv)2124 sizecmd(argc, argv)
2125 int argc;
2126 char *argv[];
2127 {
2128
2129 if (argc < 2 && !another(&argc, &argv, "filename")) {
2130 printf("usage: %s filename\n", argv[0]);
2131 code = -1;
2132 return;
2133 }
2134 (void) command("SIZE %s", argv[1]);
2135 }
2136
2137 /*
2138 * get last modification time of file on remote machine
2139 */
2140 void
modtime(argc,argv)2141 modtime(argc, argv)
2142 int argc;
2143 char *argv[];
2144 {
2145 int overbose;
2146
2147 if (argc < 2 && !another(&argc, &argv, "filename")) {
2148 printf("usage: %s filename\n", argv[0]);
2149 code = -1;
2150 return;
2151 }
2152 overbose = verbose;
2153 if (debug == 0)
2154 verbose = -1;
2155 if (command("MDTM %s", argv[1]) == COMPLETE) {
2156 int yy, mo, day, hour, min, sec;
2157 sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
2158 &day, &hour, &min, &sec);
2159 /* might want to print this in local time */
2160 printf("%s\t%02d/%02d/%04d %02d:%02d:%02d GMT\n", argv[1],
2161 mo, day, yy, hour, min, sec);
2162 } else
2163 printf("%s\n", reply_string);
2164 verbose = overbose;
2165 }
2166
2167 /*
2168 * show status on reomte machine
2169 */
2170 void
rmtstatus(argc,argv)2171 rmtstatus(argc, argv)
2172 int argc;
2173 char *argv[];
2174 {
2175
2176 (void) command(argc > 1 ? "STAT %s" : "STAT" , argv[1]);
2177 }
2178
2179 /*
2180 * get file if modtime is more recent than current file
2181 */
2182 void
newer(argc,argv)2183 newer(argc, argv)
2184 int argc;
2185 char *argv[];
2186 {
2187
2188 if (getit(argc, argv, -1, "w"))
2189 printf("Local file \"%s\" is newer than remote file \"%s\"\n",
2190 argv[2], argv[1]);
2191 }
2192