Commit | Line | Data |
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59d0d309 | 1 | #ifndef lint |
d33c618b | 2 | static char sccsid[] = "@(#)cmds.c 4.2 (Berkeley) %G%"; |
59d0d309 SL |
3 | #endif |
4 | ||
5 | /* | |
6 | * FTP User Program -- Command Routines. | |
7 | */ | |
8 | #include <sys/types.h> | |
9 | #include <sys/socket.h> | |
10 | ||
11 | #include <signal.h> | |
12 | #include <stdio.h> | |
13 | #include <errno.h> | |
14 | #include <netdb.h> | |
15 | ||
16 | #include "ftp.h" | |
17 | #include "ftp_var.h" | |
18 | ||
19 | int autologin = 1; | |
20 | ||
21 | /* | |
22 | * Connect to peer server and | |
23 | * auto-login, if possible. | |
24 | */ | |
25 | setpeer(argc, argv) | |
26 | int argc; | |
27 | char *argv[]; | |
28 | { | |
29 | struct hostent *host, *hookup(); | |
30 | int port; | |
31 | ||
32 | if (connected) { | |
33 | printf("Already connected to %s, use disconnect first.\n", | |
34 | hostname); | |
35 | return; | |
36 | } | |
37 | if (argc < 2) { | |
38 | strcat(line, " "); | |
39 | printf("(to) "); | |
40 | gets(&line[strlen(line)]); | |
41 | makeargv(); | |
42 | argc = margc; | |
43 | argv = margv; | |
44 | } | |
45 | if (argc > 3) { | |
46 | printf("usage: %s host-name [port]\n", argv[0]); | |
47 | return; | |
48 | } | |
49 | port = sp->s_port; | |
50 | if (argc > 2) { | |
d33c618b | 51 | port = atoi(argv[2]); |
59d0d309 | 52 | if (port <= 0) { |
d33c618b SL |
53 | printf("%s: bad port number-- %s\n", argv[1], argv[2]); |
54 | printf ("usage: %s host-name [port]\n", argv[0]); | |
59d0d309 SL |
55 | return; |
56 | } | |
57 | port = htons(port); | |
58 | } | |
59 | host = hookup(argv[1], port); | |
60 | if (host) { | |
61 | connected = 1; | |
62 | if (autologin) | |
63 | login(host); | |
64 | } | |
65 | } | |
66 | ||
67 | struct types { | |
68 | char *t_name; | |
69 | char *t_mode; | |
70 | int t_type; | |
d33c618b | 71 | char *t_arg; |
59d0d309 | 72 | } types[] = { |
d33c618b SL |
73 | { "ascii", "A", TYPE_A, 0 }, |
74 | { "binary", "I", TYPE_I, 0 }, | |
75 | { "image", "I", TYPE_I, 0 }, | |
76 | { "ebcdic", "E", TYPE_E, 0 }, | |
77 | { "tenex", "L", TYPE_L, bytename }, | |
59d0d309 SL |
78 | 0 |
79 | }; | |
80 | ||
81 | /* | |
82 | * Set transfer type. | |
83 | */ | |
84 | settype(argc, argv) | |
85 | char *argv[]; | |
86 | { | |
87 | register struct types *p; | |
d33c618b | 88 | int comret; |
59d0d309 SL |
89 | |
90 | if (argc > 2) { | |
91 | char *sep; | |
92 | ||
93 | printf("usage: %s [", argv[0]); | |
94 | sep = " "; | |
95 | for (p = types; p->t_name; p++) { | |
96 | printf("%s%s", sep, p->t_name); | |
97 | if (*sep == ' ') | |
98 | sep = " | "; | |
99 | } | |
100 | printf(" ]\n"); | |
101 | return; | |
102 | } | |
103 | if (argc < 2) { | |
104 | printf("Using %s mode to transfer files.\n", typename); | |
105 | return; | |
106 | } | |
107 | for (p = types; p->t_name; p++) | |
108 | if (strcmp(argv[1], p->t_name) == 0) | |
109 | break; | |
110 | if (p->t_name == 0) { | |
111 | printf("%s: unknown mode\n", argv[1]); | |
112 | return; | |
113 | } | |
d33c618b SL |
114 | if ((p->t_arg != NULL) && (*(p->t_arg) != '\0')) |
115 | comret = command ("TYPE %s %s", p->t_mode, p->t_arg); | |
116 | else | |
117 | comret = command("TYPE %s", p->t_mode); | |
118 | if (comret == COMPLETE) { | |
59d0d309 SL |
119 | strcpy(typename, p->t_name); |
120 | type = p->t_type; | |
121 | } | |
122 | } | |
123 | ||
124 | /* | |
125 | * Set binary transfer type. | |
126 | */ | |
127 | /*VARARGS*/ | |
128 | setbinary() | |
129 | { | |
130 | ||
131 | call(settype, "type", "binary", 0); | |
132 | } | |
133 | ||
134 | /* | |
135 | * Set ascii transfer type. | |
136 | */ | |
137 | /*VARARGS*/ | |
138 | setascii() | |
139 | { | |
140 | ||
141 | call(settype, "type", "ascii", 0); | |
142 | } | |
143 | ||
144 | /* | |
145 | * Set tenex transfer type. | |
146 | */ | |
147 | /*VARARGS*/ | |
148 | settenex() | |
149 | { | |
150 | ||
151 | call(settype, "type", "tenex", 0); | |
152 | } | |
153 | ||
154 | /* | |
155 | * Set ebcdic transfer type. | |
156 | */ | |
157 | /*VARARGS*/ | |
158 | setebcdic() | |
159 | { | |
160 | ||
161 | call(settype, "type", "ebcdic", 0); | |
162 | } | |
163 | ||
164 | /* | |
165 | * Set file transfer mode. | |
166 | */ | |
167 | setmode(argc, argv) | |
168 | char *argv[]; | |
169 | { | |
170 | ||
171 | printf("We only support %s mode, sorry.\n", modename); | |
172 | } | |
173 | ||
174 | /* | |
175 | * Set file transfer format. | |
176 | */ | |
177 | setform(argc, argv) | |
178 | char *argv[]; | |
179 | { | |
180 | ||
181 | printf("We only support %s format, sorry.\n", formname); | |
182 | } | |
183 | ||
184 | /* | |
185 | * Set file transfer structure. | |
186 | */ | |
187 | setstruct(argc, argv) | |
188 | char *argv[]; | |
189 | { | |
190 | ||
191 | printf("We only support %s structure, sorry.\n", structname); | |
192 | } | |
193 | ||
194 | /* | |
195 | * Send a single file. | |
196 | */ | |
197 | put(argc, argv) | |
198 | char *argv[]; | |
199 | { | |
200 | int fd; | |
201 | register int n, addr; | |
202 | register char *cp, *targ; | |
203 | ||
204 | if (!connected) { | |
205 | printf("Not connected.\n"); | |
206 | return; | |
207 | } | |
208 | if (argc == 2) | |
209 | argc++, argv[2] = argv[1]; | |
210 | if (argc < 2) { | |
211 | strcat(line, " "); | |
212 | printf("(local-file) "); | |
213 | gets(&line[strlen(line)]); | |
214 | makeargv(); | |
215 | argc = margc; | |
216 | argv = margv; | |
217 | } | |
218 | if (argc < 2) { | |
219 | usage: | |
220 | printf("%s local-file remote-file\n", argv[0]); | |
221 | return; | |
222 | } | |
223 | if (argc < 3) { | |
224 | strcat(line, " "); | |
225 | printf("(remote-file) "); | |
226 | gets(&line[strlen(line)]); | |
227 | makeargv(); | |
228 | argc = margc; | |
229 | argv = margv; | |
230 | } | |
231 | if (argc < 3) | |
232 | goto usage; | |
233 | sendrequest("STOR", argv[1], argv[2]); | |
234 | } | |
235 | ||
236 | /* | |
237 | * Receive a single file. | |
238 | */ | |
239 | get(argc, argv) | |
240 | char *argv[]; | |
241 | { | |
242 | int fd; | |
243 | register int n, addr; | |
244 | register char *cp; | |
245 | char *src; | |
246 | ||
247 | if (!connected) { | |
248 | printf("Not connected.\n"); | |
249 | return; | |
250 | } | |
251 | if (argc == 2) | |
252 | argc++, argv[2] = argv[1]; | |
253 | if (argc < 2) { | |
254 | strcat(line, " "); | |
255 | printf("(remote-file) "); | |
256 | gets(&line[strlen(line)]); | |
257 | makeargv(); | |
258 | argc = margc; | |
259 | argv = margv; | |
260 | } | |
261 | if (argc < 2) { | |
262 | usage: | |
263 | printf("%s remote-file local-file\n", argv[0]); | |
264 | return; | |
265 | } | |
266 | if (argc < 3) { | |
267 | strcat(line, " "); | |
268 | printf("(local-file) "); | |
269 | gets(&line[strlen(line)]); | |
270 | makeargv(); | |
271 | argc = margc; | |
272 | argv = margv; | |
273 | } | |
274 | if (argc < 3) | |
275 | goto usage; | |
276 | recvrequest("RETR", argv[2], argv[1]); | |
277 | } | |
278 | ||
279 | char * | |
280 | onoff(bool) | |
281 | int bool; | |
282 | { | |
283 | ||
284 | return (bool ? "on" : "off"); | |
285 | } | |
286 | ||
287 | /* | |
288 | * Show status. | |
289 | */ | |
290 | status(argc, argv) | |
291 | char *argv[]; | |
292 | { | |
293 | ||
294 | if (connected) | |
295 | printf("Connected to %s.\n", hostname); | |
296 | else | |
297 | printf("Not connected.\n"); | |
298 | printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n", | |
299 | modename, typename, formname, structname); | |
300 | printf("Verbose: %s; Bell: %s; Prompting: %s\n", | |
301 | onoff(verbose), onoff(bell), onoff(interactive)); | |
302 | } | |
303 | ||
304 | /* | |
305 | * Set beep on cmd completed mode. | |
306 | */ | |
307 | /*VARARGS*/ | |
308 | setbell() | |
309 | { | |
310 | ||
311 | bell = !bell; | |
312 | printf("Bell mode %s.\n", onoff(bell)); | |
313 | } | |
314 | ||
315 | /* | |
316 | * Turn on packet tracing. | |
317 | */ | |
318 | /*VARARGS*/ | |
319 | settrace() | |
320 | { | |
321 | ||
322 | trace = !trace; | |
323 | printf("Packet tracing %s.\n", onoff(trace)); | |
324 | } | |
325 | ||
326 | /* | |
327 | * Turn on printing of server echo's. | |
328 | */ | |
329 | /*VARARGS*/ | |
330 | setverbose() | |
331 | { | |
332 | ||
333 | verbose = !verbose; | |
334 | printf("Verbose mode %s.\n", onoff(verbose)); | |
335 | } | |
336 | ||
337 | /* | |
338 | * Turn on interactive prompting | |
339 | * during mget, mput, and mdelete. | |
340 | */ | |
341 | /*VARARGS*/ | |
342 | setprompt() | |
343 | { | |
344 | ||
345 | interactive = !interactive; | |
346 | printf("Interactive mode %s.\n", onoff(interactive)); | |
347 | } | |
348 | ||
349 | /* | |
350 | * Set debugging mode on/off and/or | |
351 | * set level of debugging. | |
352 | */ | |
353 | /*VARARGS*/ | |
354 | setdebug(argc, argv) | |
355 | char *argv[]; | |
356 | { | |
357 | int val; | |
358 | ||
359 | if (argc > 1) { | |
360 | val = atoi(argv[1]); | |
361 | if (val < 0) { | |
362 | printf("%s: bad debugging value.\n", argv[1]); | |
363 | return; | |
364 | } | |
365 | } else | |
366 | val = !debug; | |
367 | debug = val; | |
368 | if (debug) | |
369 | options |= SO_DEBUG; | |
370 | else | |
371 | options &= ~SO_DEBUG; | |
372 | printf("Debugging %s (debug=%d).\n", onoff(debug), debug); | |
373 | } | |
374 | ||
375 | /* | |
376 | * Set current working directory | |
377 | * on remote machine. | |
378 | */ | |
379 | cd(argc, argv) | |
380 | char *argv[]; | |
381 | { | |
382 | ||
383 | if (!connected) { | |
384 | printf("Not connected.\n"); | |
385 | return; | |
386 | } | |
387 | if (argc < 2) { | |
388 | strcat(line, " "); | |
389 | printf("(remote-directory) "); | |
390 | gets(&line[strlen(line)]); | |
391 | makeargv(); | |
392 | argc = margc; | |
393 | argv = margv; | |
394 | } | |
395 | if (argc < 2) { | |
396 | printf("%s remote-directory\n", argv[0]); | |
397 | return; | |
398 | } | |
399 | (void) command("CWD %s", argv[1]); | |
400 | } | |
401 | ||
402 | #include <pwd.h> | |
403 | ||
404 | /* | |
405 | * Set current working directory | |
406 | * on local machine. | |
407 | */ | |
408 | lcd(argc, argv) | |
409 | char *argv[]; | |
410 | { | |
411 | static struct passwd *pw = NULL; | |
412 | ||
413 | if (argc < 2) { | |
414 | if (pw == NULL) { | |
415 | pw = getpwnam(getlogin()); | |
416 | if (pw == NULL) | |
417 | pw = getpwuid(getuid()); | |
418 | } | |
419 | if (pw == NULL) { | |
420 | printf("ftp: can't find home directory.\n"); | |
421 | return; | |
422 | } | |
423 | argc++, argv[1] = pw->pw_dir; | |
424 | } | |
425 | if (argc != 2) { | |
426 | printf("%s local-directory\n", argv[0]); | |
427 | return; | |
428 | } | |
429 | if (chdir(argv[1]) < 0) | |
430 | perror(argv[1]); | |
431 | } | |
432 | ||
433 | /* | |
434 | * Delete a single file. | |
435 | */ | |
436 | delete(argc, argv) | |
437 | char *argv[]; | |
438 | { | |
439 | ||
440 | if (argc < 2) { | |
441 | strcat(line, " "); | |
442 | printf("(remote-file) "); | |
443 | gets(&line[strlen(line)]); | |
444 | makeargv(); | |
445 | argc = margc; | |
446 | argv = margv; | |
447 | } | |
448 | if (argc < 2) { | |
449 | printf("%s remote-file\n", argv[0]); | |
450 | return; | |
451 | } | |
452 | (void) command("DELE %s", argv[1]); | |
453 | } | |
454 | ||
455 | /* | |
456 | * Rename a remote file. | |
457 | */ | |
458 | renamefile(argc, argv) | |
459 | char *argv[]; | |
460 | { | |
461 | ||
462 | if (argc < 2) { | |
463 | strcat(line, " "); | |
464 | printf("(from-name) "); | |
465 | gets(&line[strlen(line)]); | |
466 | makeargv(); | |
467 | argc = margc; | |
468 | argv = margv; | |
469 | } | |
470 | if (argc < 2) { | |
471 | usage: | |
472 | printf("%s from-name to-name\n", argv[0]); | |
473 | return; | |
474 | } | |
475 | if (argc < 3) { | |
476 | strcat(line, " "); | |
477 | printf("(to-name) "); | |
478 | gets(&line[strlen(line)]); | |
479 | makeargv(); | |
480 | argc = margc; | |
481 | argv = margv; | |
482 | } | |
483 | if (argc < 3) | |
484 | goto usage; | |
485 | if (command("RNFR %s", argv[1]) == CONTINUE) | |
486 | (void) command("RNTO %s", argv[2]); | |
487 | } | |
488 | ||
489 | /* | |
490 | * Get a directory listing | |
491 | * of remote files. | |
492 | */ | |
493 | ls(argc, argv) | |
494 | char *argv[]; | |
495 | { | |
496 | char *cmd; | |
497 | ||
498 | if (argc < 2) | |
499 | argc++, argv[1] = NULL; | |
500 | if (argc < 3) | |
501 | argc++, argv[2] = "-"; | |
502 | if (argc > 3) { | |
503 | printf("usage: %s remote-directory local-file\n", argv[0]); | |
504 | return; | |
505 | } | |
506 | cmd = argv[0][0] == 'l' ? "NLST" : "LIST"; | |
507 | recvrequest(cmd, argv[2], argv[1]); | |
508 | } | |
509 | ||
510 | /* | |
511 | * Do a shell escape | |
512 | */ | |
513 | shell(argc, argv) | |
514 | char *argv[]; | |
515 | { | |
516 | ||
517 | printf("Sorry, this function is unimplemented.\n"); | |
518 | } | |
519 | ||
520 | /* | |
521 | * Send new user information (re-login) | |
522 | */ | |
523 | user(argc, argv) | |
524 | int argc; | |
525 | char **argv; | |
526 | { | |
527 | char acct[80], *getpass(); | |
528 | int n; | |
529 | ||
530 | if (argc < 2) { | |
531 | strcat(line, " "); | |
532 | printf("(username) "); | |
533 | gets(&line[strlen(line)]); | |
534 | makeargv(); | |
535 | argc = margc; | |
536 | argv = margv; | |
537 | } | |
538 | if (argc > 4) { | |
539 | printf("usage: %s username [password] [account]\n", argv[0]); | |
540 | return; | |
541 | } | |
542 | n = command("USER %s", argv[1]); | |
543 | if (n == CONTINUE) { | |
544 | if (argc < 3 ) | |
545 | argv[2] = getpass("Password: "), argc++; | |
546 | n = command("PASS %s", argv[2]); | |
547 | } | |
548 | if (n == CONTINUE) { | |
549 | if (argc < 4) { | |
550 | printf("Account: "); (void) fflush(stdout); | |
551 | (void) fgets(acct, sizeof(acct) - 1, stdin); | |
552 | acct[strlen(acct) - 1] = '\0'; | |
553 | argv[3] = acct; argc++; | |
554 | } | |
555 | n = command("ACCT %s", acct); | |
556 | } | |
557 | if (n != COMPLETE) { | |
558 | fprintf(stderr, "Login failed.\n"); | |
559 | return (0); | |
560 | } | |
561 | return (1); | |
562 | } | |
563 | ||
564 | /* | |
565 | * Print working directory. | |
566 | */ | |
567 | /*VARARGS*/ | |
568 | pwd() | |
569 | { | |
570 | if (!connected) { | |
571 | printf("Not connected.\n"); | |
572 | return; | |
573 | } | |
574 | (void) command("XPWD"); | |
575 | } | |
576 | ||
577 | /* | |
578 | * Make a directory. | |
579 | */ | |
580 | makedir(argc, argv) | |
581 | char *argv[]; | |
582 | { | |
583 | ||
584 | if (argc < 2) { | |
585 | strcat(line, " "); | |
586 | printf("(directory-name) "); | |
587 | gets(&line[strlen(line)]); | |
588 | makeargv(); | |
589 | argc = margc; | |
590 | argv = margv; | |
591 | } | |
592 | if (argc < 2) { | |
593 | printf("%s directory-name\n", argv[0]); | |
594 | return; | |
595 | } | |
596 | (void) command("XMKD %s", argv[1]); | |
597 | } | |
598 | ||
599 | /* | |
600 | * Remove a directory. | |
601 | */ | |
602 | removedir(argc, argv) | |
603 | char *argv[]; | |
604 | { | |
605 | ||
606 | if (argc < 2) { | |
607 | strcat(line, " "); | |
608 | printf("(directory-name) "); | |
609 | gets(&line[strlen(line)]); | |
610 | makeargv(); | |
611 | argc = margc; | |
612 | argv = margv; | |
613 | } | |
614 | if (argc < 2) { | |
615 | printf("%s directory-name\n", argv[0]); | |
616 | return; | |
617 | } | |
618 | (void) command("XRMD %s", argv[1]); | |
619 | } | |
620 | ||
621 | /* | |
622 | * Send a line, verbatim, to the remote machine. | |
623 | */ | |
624 | quote(argc, argv) | |
625 | char *argv[]; | |
626 | { | |
627 | int i; | |
628 | char buf[BUFSIZ]; | |
629 | ||
630 | if (argc < 2) { | |
631 | strcat(line, " "); | |
632 | printf("(command line to send) "); | |
633 | gets(&line[strlen(line)]); | |
634 | makeargv(); | |
635 | argc = margc; | |
636 | argv = margv; | |
637 | } | |
638 | if (argc < 2) { | |
639 | printf("usage: %s line-to-send\n", argv[0]); | |
640 | return; | |
641 | } | |
642 | strcpy(buf, argv[1]); | |
643 | for (i = 2; i < argc; i++) { | |
644 | strcat(buf, " "); | |
645 | strcat(buf, argv[i]); | |
646 | } | |
647 | (void) command(buf); | |
648 | } | |
649 | ||
650 | /* | |
651 | * Ask the other side for help. | |
652 | */ | |
653 | rmthelp(argc, argv) | |
654 | char *argv[]; | |
655 | { | |
656 | int oldverbose = verbose; | |
657 | ||
658 | verbose = 1; | |
659 | (void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]); | |
660 | verbose = oldverbose; | |
661 | } | |
662 | ||
663 | /* | |
664 | * Terminate session and exit. | |
665 | */ | |
666 | /*VARARGS*/ | |
667 | quit() | |
668 | { | |
669 | ||
670 | disconnect(); | |
671 | exit(0); | |
672 | } | |
673 | ||
674 | /* | |
675 | * Terminate session, but don't exit. | |
676 | */ | |
677 | disconnect() | |
678 | { | |
679 | extern FILE *cout; | |
680 | extern int data; | |
681 | ||
682 | if (!connected) | |
683 | return; | |
684 | (void) command("QUIT"); | |
685 | (void) fclose(cout); | |
686 | cout = NULL; | |
687 | connected = 0; | |
688 | data = -1; | |
689 | } |