4c7f0d61 |
1 | /* |
2 | * psftp.c: front end for PSFTP. |
3 | */ |
4 | |
4a8fc3c4 |
5 | #include <windows.h> |
6 | |
4c7f0d61 |
7 | #include <stdio.h> |
8 | #include <stdlib.h> |
f9e162aa |
9 | #include <stdarg.h> |
4c7f0d61 |
10 | #include <assert.h> |
d92624dc |
11 | #include <limits.h> |
4c7f0d61 |
12 | |
4a8fc3c4 |
13 | #define PUTTY_DO_GLOBALS |
14 | #include "putty.h" |
15 | #include "storage.h" |
16 | #include "ssh.h" |
4c7f0d61 |
17 | #include "sftp.h" |
18 | #include "int64.h" |
19 | |
5471d09a |
20 | /* |
21 | * Since SFTP is a request-response oriented protocol, it requires |
22 | * no buffer management: when we send data, we stop and wait for an |
23 | * acknowledgement _anyway_, and so we can't possibly overfill our |
24 | * send buffer. |
25 | */ |
26 | |
fa3db767 |
27 | static int psftp_connect(char *userhost, char *user, int portnumber); |
07534184 |
28 | static int do_sftp_init(void); |
fa3db767 |
29 | |
4c7f0d61 |
30 | /* ---------------------------------------------------------------------- |
4c7f0d61 |
31 | * sftp client state. |
32 | */ |
33 | |
34 | char *pwd, *homedir; |
35 | |
36 | /* ---------------------------------------------------------------------- |
37 | * Higher-level helper functions used in commands. |
38 | */ |
39 | |
40 | /* |
f9e162aa |
41 | * Attempt to canonify a pathname starting from the pwd. If |
42 | * canonification fails, at least fall back to returning a _valid_ |
43 | * pathname (though it may be ugly, eg /home/simon/../foobar). |
4c7f0d61 |
44 | */ |
32874aea |
45 | char *canonify(char *name) |
46 | { |
f9e162aa |
47 | char *fullname, *canonname; |
4a8fc3c4 |
48 | |
f9e162aa |
49 | if (name[0] == '/') { |
50 | fullname = dupstr(name); |
51 | } else { |
4a8fc3c4 |
52 | char *slash; |
32874aea |
53 | if (pwd[strlen(pwd) - 1] == '/') |
4a8fc3c4 |
54 | slash = ""; |
55 | else |
56 | slash = "/"; |
57 | fullname = dupcat(pwd, slash, name, NULL); |
f9e162aa |
58 | } |
4a8fc3c4 |
59 | |
60 | canonname = fxp_realpath(fullname); |
61 | |
f9e162aa |
62 | if (canonname) { |
63 | sfree(fullname); |
64 | return canonname; |
50d7e054 |
65 | } else { |
32874aea |
66 | /* |
67 | * Attempt number 2. Some FXP_REALPATH implementations |
68 | * (glibc-based ones, in particular) require the _whole_ |
69 | * path to point to something that exists, whereas others |
70 | * (BSD-based) only require all but the last component to |
71 | * exist. So if the first call failed, we should strip off |
72 | * everything from the last slash onwards and try again, |
73 | * then put the final component back on. |
74 | * |
75 | * Special cases: |
76 | * |
77 | * - if the last component is "/." or "/..", then we don't |
78 | * bother trying this because there's no way it can work. |
79 | * |
80 | * - if the thing actually ends with a "/", we remove it |
81 | * before we start. Except if the string is "/" itself |
82 | * (although I can't see why we'd have got here if so, |
83 | * because surely "/" would have worked the first |
84 | * time?), in which case we don't bother. |
85 | * |
86 | * - if there's no slash in the string at all, give up in |
87 | * confusion (we expect at least one because of the way |
88 | * we constructed the string). |
89 | */ |
90 | |
91 | int i; |
92 | char *returnname; |
93 | |
94 | i = strlen(fullname); |
95 | if (i > 2 && fullname[i - 1] == '/') |
96 | fullname[--i] = '\0'; /* strip trailing / unless at pos 0 */ |
97 | while (i > 0 && fullname[--i] != '/'); |
98 | |
99 | /* |
100 | * Give up on special cases. |
101 | */ |
102 | if (fullname[i] != '/' || /* no slash at all */ |
103 | !strcmp(fullname + i, "/.") || /* ends in /. */ |
104 | !strcmp(fullname + i, "/..") || /* ends in /.. */ |
105 | !strcmp(fullname, "/")) { |
106 | return fullname; |
107 | } |
108 | |
109 | /* |
110 | * Now i points at the slash. Deal with the final special |
111 | * case i==0 (ie the whole path was "/nonexistentfile"). |
112 | */ |
113 | fullname[i] = '\0'; /* separate the string */ |
114 | if (i == 0) { |
115 | canonname = fxp_realpath("/"); |
116 | } else { |
117 | canonname = fxp_realpath(fullname); |
118 | } |
119 | |
120 | if (!canonname) |
121 | return fullname; /* even that failed; give up */ |
122 | |
123 | /* |
124 | * We have a canonical name for all but the last path |
125 | * component. Concatenate the last component and return. |
126 | */ |
127 | returnname = dupcat(canonname, |
128 | canonname[strlen(canonname) - 1] == |
129 | '/' ? "" : "/", fullname + i + 1, NULL); |
130 | sfree(fullname); |
131 | sfree(canonname); |
132 | return returnname; |
50d7e054 |
133 | } |
4c7f0d61 |
134 | } |
135 | |
dcf8495c |
136 | /* |
137 | * Return a pointer to the portion of str that comes after the last |
138 | * slash (or backslash or colon, if `local' is TRUE). |
139 | */ |
140 | static char *stripslashes(char *str, int local) |
141 | { |
142 | char *p; |
143 | |
144 | if (local) { |
145 | p = strchr(str, ':'); |
146 | if (p) str = p+1; |
147 | } |
148 | |
149 | p = strrchr(str, '/'); |
150 | if (p) str = p+1; |
151 | |
152 | if (local) { |
153 | p = strrchr(str, '\\'); |
154 | if (p) str = p+1; |
155 | } |
156 | |
157 | return str; |
158 | } |
159 | |
4c7f0d61 |
160 | /* ---------------------------------------------------------------------- |
161 | * Actual sftp commands. |
162 | */ |
163 | struct sftp_command { |
164 | char **words; |
165 | int nwords, wordssize; |
32874aea |
166 | int (*obey) (struct sftp_command *); /* returns <0 to quit */ |
4c7f0d61 |
167 | }; |
168 | |
32874aea |
169 | int sftp_cmd_null(struct sftp_command *cmd) |
170 | { |
df49ff19 |
171 | return 1; /* success */ |
4c7f0d61 |
172 | } |
173 | |
32874aea |
174 | int sftp_cmd_unknown(struct sftp_command *cmd) |
175 | { |
4c7f0d61 |
176 | printf("psftp: unknown command \"%s\"\n", cmd->words[0]); |
df49ff19 |
177 | return 0; /* failure */ |
4c7f0d61 |
178 | } |
179 | |
32874aea |
180 | int sftp_cmd_quit(struct sftp_command *cmd) |
181 | { |
4c7f0d61 |
182 | return -1; |
183 | } |
184 | |
185 | /* |
186 | * List a directory. If no arguments are given, list pwd; otherwise |
187 | * list the directory given in words[1]. |
188 | */ |
32874aea |
189 | static int sftp_ls_compare(const void *av, const void *bv) |
190 | { |
7d2c1789 |
191 | const struct fxp_name *const *a = (const struct fxp_name *const *) av; |
192 | const struct fxp_name *const *b = (const struct fxp_name *const *) bv; |
193 | return strcmp((*a)->filename, (*b)->filename); |
4c7f0d61 |
194 | } |
32874aea |
195 | int sftp_cmd_ls(struct sftp_command *cmd) |
196 | { |
4c7f0d61 |
197 | struct fxp_handle *dirh; |
198 | struct fxp_names *names; |
7d2c1789 |
199 | struct fxp_name **ournames; |
4c7f0d61 |
200 | int nnames, namesize; |
201 | char *dir, *cdir; |
202 | int i; |
203 | |
fa3db767 |
204 | if (back == NULL) { |
205 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
206 | return 0; |
207 | } |
208 | |
4c7f0d61 |
209 | if (cmd->nwords < 2) |
210 | dir = "."; |
211 | else |
212 | dir = cmd->words[1]; |
213 | |
214 | cdir = canonify(dir); |
215 | if (!cdir) { |
216 | printf("%s: %s\n", dir, fxp_error()); |
217 | return 0; |
218 | } |
219 | |
220 | printf("Listing directory %s\n", cdir); |
221 | |
222 | dirh = fxp_opendir(cdir); |
223 | if (dirh == NULL) { |
224 | printf("Unable to open %s: %s\n", dir, fxp_error()); |
225 | } else { |
226 | nnames = namesize = 0; |
227 | ournames = NULL; |
228 | |
229 | while (1) { |
230 | |
231 | names = fxp_readdir(dirh); |
232 | if (names == NULL) { |
233 | if (fxp_error_type() == SSH_FX_EOF) |
234 | break; |
235 | printf("Reading directory %s: %s\n", dir, fxp_error()); |
236 | break; |
237 | } |
238 | if (names->nnames == 0) { |
239 | fxp_free_names(names); |
240 | break; |
241 | } |
242 | |
243 | if (nnames + names->nnames >= namesize) { |
244 | namesize += names->nnames + 128; |
32874aea |
245 | ournames = |
246 | srealloc(ournames, namesize * sizeof(*ournames)); |
4c7f0d61 |
247 | } |
248 | |
249 | for (i = 0; i < names->nnames; i++) |
7d2c1789 |
250 | ournames[nnames++] = fxp_dup_name(&names->names[i]); |
4c7f0d61 |
251 | |
4c7f0d61 |
252 | fxp_free_names(names); |
253 | } |
254 | fxp_close(dirh); |
255 | |
256 | /* |
257 | * Now we have our filenames. Sort them by actual file |
258 | * name, and then output the longname parts. |
259 | */ |
260 | qsort(ournames, nnames, sizeof(*ournames), sftp_ls_compare); |
261 | |
262 | /* |
263 | * And print them. |
264 | */ |
7d2c1789 |
265 | for (i = 0; i < nnames; i++) { |
266 | printf("%s\n", ournames[i]->longname); |
267 | fxp_free_name(ournames[i]); |
268 | } |
269 | sfree(ournames); |
4c7f0d61 |
270 | } |
271 | |
272 | sfree(cdir); |
273 | |
df49ff19 |
274 | return 1; |
4c7f0d61 |
275 | } |
276 | |
277 | /* |
278 | * Change directories. We do this by canonifying the new name, then |
279 | * trying to OPENDIR it. Only if that succeeds do we set the new pwd. |
280 | */ |
32874aea |
281 | int sftp_cmd_cd(struct sftp_command *cmd) |
282 | { |
4c7f0d61 |
283 | struct fxp_handle *dirh; |
284 | char *dir; |
285 | |
fa3db767 |
286 | if (back == NULL) { |
287 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
288 | return 0; |
289 | } |
290 | |
4c7f0d61 |
291 | if (cmd->nwords < 2) |
f9e162aa |
292 | dir = dupstr(homedir); |
4c7f0d61 |
293 | else |
294 | dir = canonify(cmd->words[1]); |
295 | |
296 | if (!dir) { |
297 | printf("%s: %s\n", dir, fxp_error()); |
298 | return 0; |
299 | } |
300 | |
301 | dirh = fxp_opendir(dir); |
302 | if (!dirh) { |
303 | printf("Directory %s: %s\n", dir, fxp_error()); |
304 | sfree(dir); |
305 | return 0; |
306 | } |
307 | |
308 | fxp_close(dirh); |
309 | |
310 | sfree(pwd); |
311 | pwd = dir; |
312 | printf("Remote directory is now %s\n", pwd); |
313 | |
df49ff19 |
314 | return 1; |
4c7f0d61 |
315 | } |
316 | |
317 | /* |
4f2b387f |
318 | * Print current directory. Easy as pie. |
319 | */ |
320 | int sftp_cmd_pwd(struct sftp_command *cmd) |
321 | { |
fa3db767 |
322 | if (back == NULL) { |
323 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
324 | return 0; |
325 | } |
326 | |
4f2b387f |
327 | printf("Remote directory is %s\n", pwd); |
df49ff19 |
328 | return 1; |
4f2b387f |
329 | } |
330 | |
331 | /* |
d92624dc |
332 | * Get a file and save it at the local end. We have two very |
333 | * similar commands here: `get' and `reget', which differ in that |
334 | * `reget' checks for the existence of the destination file and |
335 | * starts from where a previous aborted transfer left off. |
4c7f0d61 |
336 | */ |
d92624dc |
337 | int sftp_general_get(struct sftp_command *cmd, int restart) |
32874aea |
338 | { |
4c7f0d61 |
339 | struct fxp_handle *fh; |
340 | char *fname, *outfname; |
341 | uint64 offset; |
342 | FILE *fp; |
df49ff19 |
343 | int ret; |
4c7f0d61 |
344 | |
fa3db767 |
345 | if (back == NULL) { |
346 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
347 | return 0; |
348 | } |
349 | |
4c7f0d61 |
350 | if (cmd->nwords < 2) { |
351 | printf("get: expects a filename\n"); |
352 | return 0; |
353 | } |
354 | |
355 | fname = canonify(cmd->words[1]); |
356 | if (!fname) { |
357 | printf("%s: %s\n", cmd->words[1], fxp_error()); |
358 | return 0; |
359 | } |
dcf8495c |
360 | outfname = (cmd->nwords == 2 ? |
361 | stripslashes(cmd->words[1], 0) : cmd->words[2]); |
4c7f0d61 |
362 | |
363 | fh = fxp_open(fname, SSH_FXF_READ); |
364 | if (!fh) { |
365 | printf("%s: %s\n", fname, fxp_error()); |
366 | sfree(fname); |
367 | return 0; |
368 | } |
d92624dc |
369 | |
370 | if (restart) { |
371 | fp = fopen(outfname, "rb+"); |
372 | } else { |
373 | fp = fopen(outfname, "wb"); |
374 | } |
375 | |
4c7f0d61 |
376 | if (!fp) { |
377 | printf("local: unable to open %s\n", outfname); |
32874aea |
378 | fxp_close(fh); |
4c7f0d61 |
379 | sfree(fname); |
380 | return 0; |
381 | } |
382 | |
d92624dc |
383 | if (restart) { |
384 | long posn; |
385 | fseek(fp, 0L, SEEK_END); |
386 | posn = ftell(fp); |
387 | printf("reget: restarting at file position %ld\n", posn); |
388 | offset = uint64_make(0, posn); |
389 | } else { |
390 | offset = uint64_make(0, 0); |
391 | } |
4c7f0d61 |
392 | |
d92624dc |
393 | printf("remote:%s => local:%s\n", fname, outfname); |
4c7f0d61 |
394 | |
395 | /* |
396 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
397 | * thus put up a progress bar. |
398 | */ |
df49ff19 |
399 | ret = 1; |
4c7f0d61 |
400 | while (1) { |
401 | char buffer[4096]; |
402 | int len; |
403 | int wpos, wlen; |
404 | |
405 | len = fxp_read(fh, buffer, offset, sizeof(buffer)); |
32874aea |
406 | if ((len == -1 && fxp_error_type() == SSH_FX_EOF) || len == 0) |
4c7f0d61 |
407 | break; |
408 | if (len == -1) { |
409 | printf("error while reading: %s\n", fxp_error()); |
df49ff19 |
410 | ret = 0; |
4c7f0d61 |
411 | break; |
412 | } |
32874aea |
413 | |
4c7f0d61 |
414 | wpos = 0; |
415 | while (wpos < len) { |
32874aea |
416 | wlen = fwrite(buffer, 1, len - wpos, fp); |
4c7f0d61 |
417 | if (wlen <= 0) { |
418 | printf("error while writing local file\n"); |
df49ff19 |
419 | ret = 0; |
4c7f0d61 |
420 | break; |
421 | } |
422 | wpos += wlen; |
423 | } |
df49ff19 |
424 | if (wpos < len) { /* we had an error */ |
425 | ret = 0; |
4c7f0d61 |
426 | break; |
df49ff19 |
427 | } |
4c7f0d61 |
428 | offset = uint64_add32(offset, len); |
429 | } |
430 | |
431 | fclose(fp); |
432 | fxp_close(fh); |
433 | sfree(fname); |
434 | |
df49ff19 |
435 | return ret; |
4c7f0d61 |
436 | } |
d92624dc |
437 | int sftp_cmd_get(struct sftp_command *cmd) |
438 | { |
439 | return sftp_general_get(cmd, 0); |
440 | } |
441 | int sftp_cmd_reget(struct sftp_command *cmd) |
442 | { |
443 | return sftp_general_get(cmd, 1); |
444 | } |
4c7f0d61 |
445 | |
446 | /* |
d92624dc |
447 | * Send a file and store it at the remote end. We have two very |
448 | * similar commands here: `put' and `reput', which differ in that |
449 | * `reput' checks for the existence of the destination file and |
450 | * starts from where a previous aborted transfer left off. |
4c7f0d61 |
451 | */ |
d92624dc |
452 | int sftp_general_put(struct sftp_command *cmd, int restart) |
32874aea |
453 | { |
4c7f0d61 |
454 | struct fxp_handle *fh; |
455 | char *fname, *origoutfname, *outfname; |
456 | uint64 offset; |
457 | FILE *fp; |
df49ff19 |
458 | int ret; |
4c7f0d61 |
459 | |
fa3db767 |
460 | if (back == NULL) { |
461 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
462 | return 0; |
463 | } |
464 | |
4c7f0d61 |
465 | if (cmd->nwords < 2) { |
466 | printf("put: expects a filename\n"); |
467 | return 0; |
468 | } |
469 | |
470 | fname = cmd->words[1]; |
dcf8495c |
471 | origoutfname = (cmd->nwords == 2 ? |
472 | stripslashes(cmd->words[1], 1) : cmd->words[2]); |
4c7f0d61 |
473 | outfname = canonify(origoutfname); |
f9e162aa |
474 | if (!outfname) { |
4c7f0d61 |
475 | printf("%s: %s\n", origoutfname, fxp_error()); |
476 | return 0; |
477 | } |
478 | |
479 | fp = fopen(fname, "rb"); |
480 | if (!fp) { |
481 | printf("local: unable to open %s\n", fname); |
4c7f0d61 |
482 | sfree(outfname); |
483 | return 0; |
484 | } |
d92624dc |
485 | if (restart) { |
486 | fh = fxp_open(outfname, |
487 | SSH_FXF_WRITE); |
488 | } else { |
489 | fh = fxp_open(outfname, |
490 | SSH_FXF_WRITE | SSH_FXF_CREAT | SSH_FXF_TRUNC); |
491 | } |
4c7f0d61 |
492 | if (!fh) { |
493 | printf("%s: %s\n", outfname, fxp_error()); |
494 | sfree(outfname); |
495 | return 0; |
496 | } |
497 | |
d92624dc |
498 | if (restart) { |
499 | char decbuf[30]; |
500 | struct fxp_attrs attrs; |
501 | if (!fxp_fstat(fh, &attrs)) { |
502 | printf("read size of %s: %s\n", outfname, fxp_error()); |
503 | sfree(outfname); |
504 | return 0; |
505 | } |
506 | if (!(attrs.flags & SSH_FILEXFER_ATTR_SIZE)) { |
507 | printf("read size of %s: size was not given\n", outfname); |
508 | sfree(outfname); |
509 | return 0; |
510 | } |
511 | offset = attrs.size; |
512 | uint64_decimal(offset, decbuf); |
513 | printf("reput: restarting at file position %s\n", decbuf); |
514 | if (uint64_compare(offset, uint64_make(0, LONG_MAX)) > 0) { |
515 | printf("reput: remote file is larger than we can deal with\n"); |
516 | sfree(outfname); |
517 | return 0; |
518 | } |
519 | if (fseek(fp, offset.lo, SEEK_SET) != 0) |
520 | fseek(fp, 0, SEEK_END); /* *shrug* */ |
521 | } else { |
522 | offset = uint64_make(0, 0); |
523 | } |
4c7f0d61 |
524 | |
d92624dc |
525 | printf("local:%s => remote:%s\n", fname, outfname); |
4c7f0d61 |
526 | |
527 | /* |
528 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
529 | * thus put up a progress bar. |
530 | */ |
df49ff19 |
531 | ret = 1; |
4c7f0d61 |
532 | while (1) { |
533 | char buffer[4096]; |
534 | int len; |
535 | |
f9e162aa |
536 | len = fread(buffer, 1, sizeof(buffer), fp); |
4c7f0d61 |
537 | if (len == -1) { |
538 | printf("error while reading local file\n"); |
df49ff19 |
539 | ret = 0; |
4c7f0d61 |
540 | break; |
541 | } else if (len == 0) { |
542 | break; |
543 | } |
f9e162aa |
544 | if (!fxp_write(fh, buffer, offset, len)) { |
4c7f0d61 |
545 | printf("error while writing: %s\n", fxp_error()); |
df49ff19 |
546 | ret = 0; |
4c7f0d61 |
547 | break; |
548 | } |
549 | offset = uint64_add32(offset, len); |
550 | } |
551 | |
552 | fxp_close(fh); |
553 | fclose(fp); |
554 | sfree(outfname); |
555 | |
df49ff19 |
556 | return ret; |
4c7f0d61 |
557 | } |
d92624dc |
558 | int sftp_cmd_put(struct sftp_command *cmd) |
559 | { |
560 | return sftp_general_put(cmd, 0); |
561 | } |
562 | int sftp_cmd_reput(struct sftp_command *cmd) |
563 | { |
564 | return sftp_general_put(cmd, 1); |
565 | } |
4c7f0d61 |
566 | |
9954aaa3 |
567 | int sftp_cmd_mkdir(struct sftp_command *cmd) |
568 | { |
569 | char *dir; |
570 | int result; |
571 | |
fa3db767 |
572 | if (back == NULL) { |
573 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
574 | return 0; |
575 | } |
9954aaa3 |
576 | |
577 | if (cmd->nwords < 2) { |
578 | printf("mkdir: expects a directory\n"); |
579 | return 0; |
580 | } |
581 | |
582 | dir = canonify(cmd->words[1]); |
583 | if (!dir) { |
584 | printf("%s: %s\n", dir, fxp_error()); |
585 | return 0; |
586 | } |
587 | |
588 | result = fxp_mkdir(dir); |
589 | if (!result) { |
590 | printf("mkdir %s: %s\n", dir, fxp_error()); |
591 | sfree(dir); |
592 | return 0; |
593 | } |
594 | |
d92624dc |
595 | sfree(dir); |
df49ff19 |
596 | return 1; |
9954aaa3 |
597 | } |
598 | |
599 | int sftp_cmd_rmdir(struct sftp_command *cmd) |
600 | { |
601 | char *dir; |
602 | int result; |
603 | |
fa3db767 |
604 | if (back == NULL) { |
605 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
606 | return 0; |
607 | } |
9954aaa3 |
608 | |
609 | if (cmd->nwords < 2) { |
610 | printf("rmdir: expects a directory\n"); |
611 | return 0; |
612 | } |
613 | |
614 | dir = canonify(cmd->words[1]); |
615 | if (!dir) { |
616 | printf("%s: %s\n", dir, fxp_error()); |
617 | return 0; |
618 | } |
619 | |
620 | result = fxp_rmdir(dir); |
621 | if (!result) { |
622 | printf("rmdir %s: %s\n", dir, fxp_error()); |
623 | sfree(dir); |
624 | return 0; |
625 | } |
626 | |
d92624dc |
627 | sfree(dir); |
df49ff19 |
628 | return 1; |
9954aaa3 |
629 | } |
630 | |
631 | int sftp_cmd_rm(struct sftp_command *cmd) |
632 | { |
633 | char *fname; |
634 | int result; |
635 | |
fa3db767 |
636 | if (back == NULL) { |
637 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
638 | return 0; |
639 | } |
640 | |
9954aaa3 |
641 | if (cmd->nwords < 2) { |
642 | printf("rm: expects a filename\n"); |
643 | return 0; |
644 | } |
645 | |
646 | fname = canonify(cmd->words[1]); |
647 | if (!fname) { |
648 | printf("%s: %s\n", fname, fxp_error()); |
649 | return 0; |
650 | } |
651 | |
d92624dc |
652 | result = fxp_remove(fname); |
9954aaa3 |
653 | if (!result) { |
654 | printf("rm %s: %s\n", fname, fxp_error()); |
655 | sfree(fname); |
656 | return 0; |
657 | } |
658 | |
d92624dc |
659 | sfree(fname); |
df49ff19 |
660 | return 1; |
d92624dc |
661 | } |
662 | |
663 | int sftp_cmd_mv(struct sftp_command *cmd) |
664 | { |
665 | char *srcfname, *dstfname; |
666 | int result; |
667 | |
fa3db767 |
668 | if (back == NULL) { |
669 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
670 | return 0; |
671 | } |
672 | |
d92624dc |
673 | if (cmd->nwords < 3) { |
674 | printf("mv: expects two filenames\n"); |
9954aaa3 |
675 | return 0; |
d92624dc |
676 | } |
677 | srcfname = canonify(cmd->words[1]); |
678 | if (!srcfname) { |
679 | printf("%s: %s\n", srcfname, fxp_error()); |
680 | return 0; |
681 | } |
682 | |
683 | dstfname = canonify(cmd->words[2]); |
684 | if (!dstfname) { |
685 | printf("%s: %s\n", dstfname, fxp_error()); |
686 | return 0; |
687 | } |
9954aaa3 |
688 | |
d92624dc |
689 | result = fxp_rename(srcfname, dstfname); |
690 | if (!result) { |
691 | char const *error = fxp_error(); |
692 | struct fxp_attrs attrs; |
693 | |
694 | /* |
695 | * The move might have failed because dstfname pointed at a |
696 | * directory. We check this possibility now: if dstfname |
697 | * _is_ a directory, we re-attempt the move by appending |
698 | * the basename of srcfname to dstfname. |
699 | */ |
700 | result = fxp_stat(dstfname, &attrs); |
701 | if (result && |
702 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
703 | (attrs.permissions & 0040000)) { |
704 | char *p; |
705 | char *newname, *newcanon; |
706 | printf("(destination %s is a directory)\n", dstfname); |
707 | p = srcfname + strlen(srcfname); |
708 | while (p > srcfname && p[-1] != '/') p--; |
709 | newname = dupcat(dstfname, "/", p, NULL); |
710 | newcanon = canonify(newname); |
711 | sfree(newname); |
712 | if (newcanon) { |
713 | sfree(dstfname); |
714 | dstfname = newcanon; |
715 | result = fxp_rename(srcfname, dstfname); |
716 | error = result ? NULL : fxp_error(); |
717 | } |
718 | } |
719 | if (error) { |
720 | printf("mv %s %s: %s\n", srcfname, dstfname, error); |
721 | sfree(srcfname); |
722 | sfree(dstfname); |
723 | return 0; |
724 | } |
725 | } |
726 | printf("%s -> %s\n", srcfname, dstfname); |
727 | |
728 | sfree(srcfname); |
729 | sfree(dstfname); |
df49ff19 |
730 | return 1; |
9954aaa3 |
731 | } |
732 | |
d92624dc |
733 | int sftp_cmd_chmod(struct sftp_command *cmd) |
734 | { |
735 | char *fname, *mode; |
736 | int result; |
737 | struct fxp_attrs attrs; |
738 | unsigned attrs_clr, attrs_xor, oldperms, newperms; |
739 | |
fa3db767 |
740 | if (back == NULL) { |
741 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
742 | return 0; |
743 | } |
744 | |
d92624dc |
745 | if (cmd->nwords < 3) { |
746 | printf("chmod: expects a mode specifier and a filename\n"); |
747 | return 0; |
748 | } |
749 | |
750 | /* |
751 | * Attempt to parse the mode specifier in cmd->words[1]. We |
752 | * don't support the full horror of Unix chmod; instead we |
753 | * support a much simpler syntax in which the user can either |
754 | * specify an octal number, or a comma-separated sequence of |
755 | * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may |
756 | * _only_ be omitted if the only attribute mentioned is t, |
757 | * since all others require a user/group/other specification. |
758 | * Additionally, the s attribute may not be specified for any |
759 | * [ugoa] specifications other than exactly u or exactly g. |
760 | */ |
761 | attrs_clr = attrs_xor = 0; |
762 | mode = cmd->words[1]; |
763 | if (mode[0] >= '0' && mode[0] <= '9') { |
764 | if (mode[strspn(mode, "01234567")]) { |
765 | printf("chmod: numeric file modes should" |
766 | " contain digits 0-7 only\n"); |
767 | return 0; |
768 | } |
769 | attrs_clr = 07777; |
770 | sscanf(mode, "%o", &attrs_xor); |
771 | attrs_xor &= attrs_clr; |
772 | } else { |
773 | while (*mode) { |
774 | char *modebegin = mode; |
775 | unsigned subset, perms; |
776 | int action; |
777 | |
778 | subset = 0; |
779 | while (*mode && *mode != ',' && |
780 | *mode != '+' && *mode != '-' && *mode != '=') { |
781 | switch (*mode) { |
782 | case 'u': subset |= 04700; break; /* setuid, user perms */ |
783 | case 'g': subset |= 02070; break; /* setgid, group perms */ |
784 | case 'o': subset |= 00007; break; /* just other perms */ |
785 | case 'a': subset |= 06777; break; /* all of the above */ |
786 | default: |
787 | printf("chmod: file mode '%.*s' contains unrecognised" |
788 | " user/group/other specifier '%c'\n", |
789 | strcspn(modebegin, ","), modebegin, *mode); |
790 | return 0; |
791 | } |
792 | mode++; |
793 | } |
794 | if (!*mode || *mode == ',') { |
795 | printf("chmod: file mode '%.*s' is incomplete\n", |
796 | strcspn(modebegin, ","), modebegin); |
797 | return 0; |
798 | } |
799 | action = *mode++; |
800 | if (!*mode || *mode == ',') { |
801 | printf("chmod: file mode '%.*s' is incomplete\n", |
802 | strcspn(modebegin, ","), modebegin); |
803 | return 0; |
804 | } |
805 | perms = 0; |
806 | while (*mode && *mode != ',') { |
807 | switch (*mode) { |
808 | case 'r': perms |= 00444; break; |
809 | case 'w': perms |= 00222; break; |
810 | case 'x': perms |= 00111; break; |
811 | case 't': perms |= 01000; subset |= 01000; break; |
812 | case 's': |
813 | if ((subset & 06777) != 04700 && |
814 | (subset & 06777) != 02070) { |
815 | printf("chmod: file mode '%.*s': set[ug]id bit should" |
816 | " be used with exactly one of u or g only\n", |
817 | strcspn(modebegin, ","), modebegin); |
818 | return 0; |
819 | } |
820 | perms |= 06000; |
821 | break; |
822 | default: |
823 | printf("chmod: file mode '%.*s' contains unrecognised" |
824 | " permission specifier '%c'\n", |
825 | strcspn(modebegin, ","), modebegin, *mode); |
826 | return 0; |
827 | } |
828 | mode++; |
829 | } |
830 | if (!(subset & 06777) && (perms &~ subset)) { |
831 | printf("chmod: file mode '%.*s' contains no user/group/other" |
832 | " specifier and permissions other than 't' \n", |
833 | strcspn(modebegin, ","), modebegin, *mode); |
834 | return 0; |
835 | } |
836 | perms &= subset; |
837 | switch (action) { |
838 | case '+': |
839 | attrs_clr |= perms; |
840 | attrs_xor |= perms; |
841 | break; |
842 | case '-': |
843 | attrs_clr |= perms; |
844 | attrs_xor &= ~perms; |
845 | break; |
846 | case '=': |
847 | attrs_clr |= subset; |
848 | attrs_xor |= perms; |
849 | break; |
850 | } |
851 | if (*mode) mode++; /* eat comma */ |
852 | } |
853 | } |
854 | |
855 | fname = canonify(cmd->words[2]); |
856 | if (!fname) { |
857 | printf("%s: %s\n", fname, fxp_error()); |
858 | return 0; |
859 | } |
860 | |
861 | result = fxp_stat(fname, &attrs); |
862 | if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) { |
863 | printf("get attrs for %s: %s\n", fname, |
864 | result ? "file permissions not provided" : fxp_error()); |
865 | sfree(fname); |
866 | return 0; |
867 | } |
868 | |
869 | attrs.flags = SSH_FILEXFER_ATTR_PERMISSIONS; /* perms _only_ */ |
870 | oldperms = attrs.permissions & 07777; |
871 | attrs.permissions &= ~attrs_clr; |
872 | attrs.permissions ^= attrs_xor; |
873 | newperms = attrs.permissions & 07777; |
874 | |
875 | result = fxp_setstat(fname, attrs); |
876 | |
877 | if (!result) { |
878 | printf("set attrs for %s: %s\n", fname, fxp_error()); |
879 | sfree(fname); |
880 | return 0; |
881 | } |
882 | |
883 | printf("%s: %04o -> %04o\n", fname, oldperms, newperms); |
884 | |
885 | sfree(fname); |
df49ff19 |
886 | return 1; |
d92624dc |
887 | } |
9954aaa3 |
888 | |
fa3db767 |
889 | static int sftp_cmd_open(struct sftp_command *cmd) |
890 | { |
891 | if (back != NULL) { |
892 | printf("psftp: already connected\n"); |
893 | return 0; |
894 | } |
895 | |
896 | if (cmd->nwords < 2) { |
897 | printf("open: expects a host name\n"); |
898 | return 0; |
899 | } |
900 | |
901 | if (psftp_connect(cmd->words[1], NULL, 0)) { |
902 | back = NULL; /* connection is already closed */ |
903 | return -1; /* this is fatal */ |
904 | } |
905 | do_sftp_init(); |
df49ff19 |
906 | return 1; |
fa3db767 |
907 | } |
908 | |
3af97463 |
909 | static int sftp_cmd_lcd(struct sftp_command *cmd) |
910 | { |
911 | char *currdir; |
912 | int len; |
913 | |
914 | if (cmd->nwords < 2) { |
915 | printf("lcd: expects a local directory name\n"); |
916 | return 0; |
917 | } |
918 | |
919 | if (!SetCurrentDirectory(cmd->words[1])) { |
920 | LPVOID message; |
921 | int i; |
922 | FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | |
923 | FORMAT_MESSAGE_FROM_SYSTEM | |
924 | FORMAT_MESSAGE_IGNORE_INSERTS, |
925 | NULL, GetLastError(), |
926 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
927 | (LPTSTR)&message, 0, NULL); |
928 | i = strcspn((char *)message, "\n"); |
929 | printf("lcd: unable to change directory: %.*s\n", i, (LPCTSTR)message); |
930 | LocalFree(message); |
931 | return 0; |
932 | } |
933 | |
934 | currdir = smalloc(256); |
935 | len = GetCurrentDirectory(256, currdir); |
936 | if (len > 256) |
937 | currdir = srealloc(currdir, len); |
938 | GetCurrentDirectory(len, currdir); |
939 | printf("New local directory is %s\n", currdir); |
940 | sfree(currdir); |
941 | |
942 | return 1; |
943 | } |
944 | |
945 | static int sftp_cmd_lpwd(struct sftp_command *cmd) |
946 | { |
947 | char *currdir; |
948 | int len; |
949 | |
950 | currdir = smalloc(256); |
951 | len = GetCurrentDirectory(256, currdir); |
952 | if (len > 256) |
953 | currdir = srealloc(currdir, len); |
954 | GetCurrentDirectory(len, currdir); |
955 | printf("Current local directory is %s\n", currdir); |
956 | sfree(currdir); |
957 | |
958 | return 1; |
959 | } |
960 | |
961 | static int sftp_cmd_pling(struct sftp_command *cmd) |
962 | { |
963 | int exitcode; |
964 | |
965 | exitcode = system(cmd->words[1]); |
966 | return (exitcode == 0); |
967 | } |
968 | |
bf5240cd |
969 | static int sftp_cmd_help(struct sftp_command *cmd); |
970 | |
4c7f0d61 |
971 | static struct sftp_cmd_lookup { |
972 | char *name; |
bf5240cd |
973 | /* |
974 | * For help purposes, there are two kinds of command: |
975 | * |
976 | * - primary commands, in which `longhelp' is non-NULL. In |
977 | * this case `shorthelp' is descriptive text, and `longhelp' |
978 | * is longer descriptive text intended to be printed after |
979 | * the command name. |
980 | * |
981 | * - alias commands, in which `longhelp' is NULL. In this case |
982 | * `shorthelp' is the name of a primary command, which |
983 | * contains the help that should double up for this command. |
984 | */ |
3af97463 |
985 | int listed; /* do we list this in primary help? */ |
bf5240cd |
986 | char *shorthelp; |
987 | char *longhelp; |
32874aea |
988 | int (*obey) (struct sftp_command *); |
4c7f0d61 |
989 | } sftp_lookup[] = { |
990 | /* |
991 | * List of sftp commands. This is binary-searched so it MUST be |
992 | * in ASCII order. |
993 | */ |
32874aea |
994 | { |
3af97463 |
995 | "!", TRUE, "run a local Windows command", |
996 | "<command>\n" |
997 | " Runs a local Windows command. For example, \"!del myfile\".\n", |
998 | sftp_cmd_pling |
999 | }, |
1000 | { |
1001 | "bye", TRUE, "finish your SFTP session", |
bf5240cd |
1002 | "\n" |
1003 | " Terminates your SFTP session and quits the PSFTP program.\n", |
1004 | sftp_cmd_quit |
1005 | }, |
1006 | { |
3af97463 |
1007 | "cd", TRUE, "change your remote working directory", |
bf5240cd |
1008 | " [ <New working directory> ]\n" |
1009 | " Change the remote working directory for your SFTP session.\n" |
1010 | " If a new working directory is not supplied, you will be\n" |
1011 | " returned to your home directory.\n", |
1012 | sftp_cmd_cd |
1013 | }, |
1014 | { |
3af97463 |
1015 | "chmod", TRUE, "change file permissions and modes", |
bf5240cd |
1016 | " ( <octal-digits> | <modifiers> ) <filename>\n" |
1017 | " Change the file permissions on a file or directory.\n" |
1018 | " <octal-digits> can be any octal Unix permission specifier.\n" |
1019 | " Alternatively, <modifiers> can include:\n" |
1020 | " u+r make file readable by owning user\n" |
1021 | " u+w make file writable by owning user\n" |
1022 | " u+x make file executable by owning user\n" |
1023 | " u-r make file not readable by owning user\n" |
1024 | " [also u-w, u-x]\n" |
1025 | " g+r make file readable by members of owning group\n" |
1026 | " [also g+w, g+x, g-r, g-w, g-x]\n" |
1027 | " o+r make file readable by all other users\n" |
1028 | " [also o+w, o+x, o-r, o-w, o-x]\n" |
1029 | " a+r make file readable by absolutely everybody\n" |
1030 | " [also a+w, a+x, a-r, a-w, a-x]\n" |
1031 | " u+s enable the Unix set-user-ID bit\n" |
1032 | " u-s disable the Unix set-user-ID bit\n" |
1033 | " g+s enable the Unix set-group-ID bit\n" |
1034 | " g-s disable the Unix set-group-ID bit\n" |
1035 | " +t enable the Unix \"sticky bit\"\n" |
1036 | " You can give more than one modifier for the same user (\"g-rwx\"), and\n" |
1037 | " more than one user for the same modifier (\"ug+w\"). You can\n" |
1038 | " use commas to separate different modifiers (\"u+rwx,g+s\").\n", |
1039 | sftp_cmd_chmod |
1040 | }, |
1041 | { |
3af97463 |
1042 | "del", TRUE, "delete a file", |
bf5240cd |
1043 | " <filename>\n" |
1044 | " Delete a file.\n", |
1045 | sftp_cmd_rm |
1046 | }, |
1047 | { |
3af97463 |
1048 | "delete", FALSE, "del", NULL, sftp_cmd_rm |
bf5240cd |
1049 | }, |
1050 | { |
3af97463 |
1051 | "dir", TRUE, "list contents of a remote directory", |
bf5240cd |
1052 | " [ <directory-name> ]\n" |
1053 | " List the contents of a specified directory on the server.\n" |
1054 | " If <directory-name> is not given, the current working directory\n" |
1055 | " will be listed.\n", |
1056 | sftp_cmd_ls |
1057 | }, |
1058 | { |
3af97463 |
1059 | "exit", TRUE, "bye", NULL, sftp_cmd_quit |
bf5240cd |
1060 | }, |
1061 | { |
3af97463 |
1062 | "get", TRUE, "download a file from the server to your local machine", |
bf5240cd |
1063 | " <filename> [ <local-filename> ]\n" |
1064 | " Downloads a file on the server and stores it locally under\n" |
1065 | " the same name, or under a different one if you supply the\n" |
1066 | " argument <local-filename>.\n", |
1067 | sftp_cmd_get |
1068 | }, |
1069 | { |
3af97463 |
1070 | "help", TRUE, "give help", |
bf5240cd |
1071 | " [ <command> [ <command> ... ] ]\n" |
1072 | " Give general help if no commands are specified.\n" |
1073 | " If one or more commands are specified, give specific help on\n" |
1074 | " those particular commands.\n", |
1075 | sftp_cmd_help |
1076 | }, |
1077 | { |
3af97463 |
1078 | "lcd", TRUE, "change local working directory", |
1079 | " <local-directory-name>\n" |
1080 | " Change the local working directory of the PSFTP program (the\n" |
1081 | " default location where the \"get\" command will save files).\n", |
1082 | sftp_cmd_lcd |
1083 | }, |
1084 | { |
1085 | "lpwd", TRUE, "print local working directory", |
1086 | "\n" |
1087 | " Print the local working directory of the PSFTP program (the\n" |
1088 | " default location where the \"get\" command will save files).\n", |
1089 | sftp_cmd_lpwd |
1090 | }, |
1091 | { |
1092 | "ls", TRUE, "dir", NULL, |
bf5240cd |
1093 | sftp_cmd_ls |
1094 | }, |
1095 | { |
3af97463 |
1096 | "mkdir", TRUE, "create a directory on the remote server", |
bf5240cd |
1097 | " <directory-name>\n" |
1098 | " Creates a directory with the given name on the server.\n", |
1099 | sftp_cmd_mkdir |
1100 | }, |
1101 | { |
3af97463 |
1102 | "mv", TRUE, "move or rename a file on the remote server", |
bf5240cd |
1103 | " <source-filename> <destination-filename>\n" |
1104 | " Moves or renames the file <source-filename> on the server,\n" |
1105 | " so that it is accessible under the name <destination-filename>.\n", |
1106 | sftp_cmd_mv |
1107 | }, |
1108 | { |
3af97463 |
1109 | "open", TRUE, "connect to a host", |
fa3db767 |
1110 | " [<user>@]<hostname>\n" |
1111 | " Establishes an SFTP connection to a given host. Only usable\n" |
1112 | " when you did not already specify a host name on the command\n" |
1113 | " line.\n", |
1114 | sftp_cmd_open |
1115 | }, |
1116 | { |
56542985 |
1117 | "put", TRUE, "upload a file from your local machine to the server", |
1118 | " <filename> [ <remote-filename> ]\n" |
1119 | " Uploads a file to the server and stores it there under\n" |
1120 | " the same name, or under a different one if you supply the\n" |
1121 | " argument <remote-filename>.\n", |
1122 | sftp_cmd_put |
1123 | }, |
1124 | { |
3af97463 |
1125 | "pwd", TRUE, "print your remote working directory", |
4f2b387f |
1126 | "\n" |
1127 | " Print the current remote working directory for your SFTP session.\n", |
1128 | sftp_cmd_pwd |
1129 | }, |
1130 | { |
3af97463 |
1131 | "quit", TRUE, "bye", NULL, |
bf5240cd |
1132 | sftp_cmd_quit |
1133 | }, |
1134 | { |
3af97463 |
1135 | "reget", TRUE, "continue downloading a file", |
bf5240cd |
1136 | " <filename> [ <local-filename> ]\n" |
1137 | " Works exactly like the \"get\" command, but the local file\n" |
1138 | " must already exist. The download will begin at the end of the\n" |
1139 | " file. This is for resuming a download that was interrupted.\n", |
1140 | sftp_cmd_reget |
1141 | }, |
1142 | { |
3af97463 |
1143 | "ren", TRUE, "mv", NULL, |
bf5240cd |
1144 | sftp_cmd_mv |
1145 | }, |
1146 | { |
3af97463 |
1147 | "rename", FALSE, "mv", NULL, |
bf5240cd |
1148 | sftp_cmd_mv |
1149 | }, |
1150 | { |
3af97463 |
1151 | "reput", TRUE, "continue uploading a file", |
bf5240cd |
1152 | " <filename> [ <remote-filename> ]\n" |
1153 | " Works exactly like the \"put\" command, but the remote file\n" |
1154 | " must already exist. The upload will begin at the end of the\n" |
1155 | " file. This is for resuming an upload that was interrupted.\n", |
1156 | sftp_cmd_reput |
1157 | }, |
1158 | { |
3af97463 |
1159 | "rm", TRUE, "del", NULL, |
bf5240cd |
1160 | sftp_cmd_rm |
1161 | }, |
1162 | { |
3af97463 |
1163 | "rmdir", TRUE, "remove a directory on the remote server", |
bf5240cd |
1164 | " <directory-name>\n" |
1165 | " Removes the directory with the given name on the server.\n" |
1166 | " The directory will not be removed unless it is empty.\n", |
1167 | sftp_cmd_rmdir |
1168 | } |
1169 | }; |
1170 | |
1171 | const struct sftp_cmd_lookup *lookup_command(char *name) |
1172 | { |
1173 | int i, j, k, cmp; |
1174 | |
1175 | i = -1; |
1176 | j = sizeof(sftp_lookup) / sizeof(*sftp_lookup); |
1177 | while (j - i > 1) { |
1178 | k = (j + i) / 2; |
1179 | cmp = strcmp(name, sftp_lookup[k].name); |
1180 | if (cmp < 0) |
1181 | j = k; |
1182 | else if (cmp > 0) |
1183 | i = k; |
1184 | else { |
1185 | return &sftp_lookup[k]; |
1186 | } |
1187 | } |
1188 | return NULL; |
1189 | } |
1190 | |
1191 | static int sftp_cmd_help(struct sftp_command *cmd) |
1192 | { |
1193 | int i; |
1194 | if (cmd->nwords == 1) { |
1195 | /* |
1196 | * Give short help on each command. |
1197 | */ |
1198 | int maxlen; |
1199 | maxlen = 0; |
1200 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
3af97463 |
1201 | int len; |
1202 | if (!sftp_lookup[i].listed) |
1203 | continue; |
1204 | len = strlen(sftp_lookup[i].name); |
bf5240cd |
1205 | if (maxlen < len) |
1206 | maxlen = len; |
1207 | } |
1208 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
1209 | const struct sftp_cmd_lookup *lookup; |
3af97463 |
1210 | if (!sftp_lookup[i].listed) |
1211 | continue; |
bf5240cd |
1212 | lookup = &sftp_lookup[i]; |
1213 | printf("%-*s", maxlen+2, lookup->name); |
1214 | if (lookup->longhelp == NULL) |
1215 | lookup = lookup_command(lookup->shorthelp); |
1216 | printf("%s\n", lookup->shorthelp); |
1217 | } |
1218 | } else { |
1219 | /* |
1220 | * Give long help on specific commands. |
1221 | */ |
1222 | for (i = 1; i < cmd->nwords; i++) { |
1223 | const struct sftp_cmd_lookup *lookup; |
1224 | lookup = lookup_command(cmd->words[i]); |
1225 | if (!lookup) { |
1226 | printf("help: %s: command not found\n", cmd->words[i]); |
1227 | } else { |
1228 | printf("%s", lookup->name); |
1229 | if (lookup->longhelp == NULL) |
1230 | lookup = lookup_command(lookup->shorthelp); |
1231 | printf("%s", lookup->longhelp); |
1232 | } |
1233 | } |
1234 | } |
df49ff19 |
1235 | return 1; |
bf5240cd |
1236 | } |
4c7f0d61 |
1237 | |
1238 | /* ---------------------------------------------------------------------- |
1239 | * Command line reading and parsing. |
1240 | */ |
9954aaa3 |
1241 | struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags) |
32874aea |
1242 | { |
4c7f0d61 |
1243 | char *line; |
1244 | int linelen, linesize; |
1245 | struct sftp_command *cmd; |
1246 | char *p, *q, *r; |
1247 | int quoting; |
1248 | |
df49ff19 |
1249 | if ((mode == 0) || (modeflags & 1)) { |
1250 | printf("psftp> "); |
1251 | } |
4c7f0d61 |
1252 | fflush(stdout); |
1253 | |
1254 | cmd = smalloc(sizeof(struct sftp_command)); |
1255 | cmd->words = NULL; |
1256 | cmd->nwords = 0; |
1257 | cmd->wordssize = 0; |
1258 | |
1259 | line = NULL; |
1260 | linesize = linelen = 0; |
1261 | while (1) { |
1262 | int len; |
1263 | char *ret; |
1264 | |
1265 | linesize += 512; |
1266 | line = srealloc(line, linesize); |
9954aaa3 |
1267 | ret = fgets(line + linelen, linesize - linelen, fp); |
4c7f0d61 |
1268 | |
1269 | if (!ret || (linelen == 0 && line[0] == '\0')) { |
1270 | cmd->obey = sftp_cmd_quit; |
d13c2ee9 |
1271 | if ((mode == 0) || (modeflags & 1)) |
1272 | printf("quit\n"); |
4c7f0d61 |
1273 | return cmd; /* eof */ |
1274 | } |
32874aea |
1275 | len = linelen + strlen(line + linelen); |
4c7f0d61 |
1276 | linelen += len; |
32874aea |
1277 | if (line[linelen - 1] == '\n') { |
4c7f0d61 |
1278 | linelen--; |
1279 | line[linelen] = '\0'; |
1280 | break; |
1281 | } |
1282 | } |
df49ff19 |
1283 | if (modeflags & 1) { |
1284 | printf("%s\n", line); |
1285 | } |
4c7f0d61 |
1286 | |
4c7f0d61 |
1287 | p = line; |
3af97463 |
1288 | while (*p && (*p == ' ' || *p == '\t')) |
1289 | p++; |
1290 | |
1291 | if (*p == '!') { |
1292 | /* |
1293 | * Special case: the ! command. This is always parsed as |
1294 | * exactly two words: one containing the !, and the second |
1295 | * containing everything else on the line. |
1296 | */ |
1297 | cmd->nwords = cmd->wordssize = 2; |
1298 | cmd->words = srealloc(cmd->words, cmd->wordssize * sizeof(char *)); |
1299 | cmd->words[0] = "!"; |
1300 | cmd->words[1] = p+1; |
1301 | } else { |
1302 | |
1303 | /* |
1304 | * Parse the command line into words. The syntax is: |
1305 | * - double quotes are removed, but cause spaces within to be |
1306 | * treated as non-separating. |
1307 | * - a double-doublequote pair is a literal double quote, inside |
1308 | * _or_ outside quotes. Like this: |
1309 | * |
1310 | * firstword "second word" "this has ""quotes"" in" and""this"" |
1311 | * |
1312 | * becomes |
1313 | * |
1314 | * >firstword< |
1315 | * >second word< |
1316 | * >this has "quotes" in< |
1317 | * >and"this"< |
1318 | */ |
4c7f0d61 |
1319 | while (*p) { |
3af97463 |
1320 | /* skip whitespace */ |
1321 | while (*p && (*p == ' ' || *p == '\t')) |
1322 | p++; |
1323 | /* mark start of word */ |
1324 | q = r = p; /* q sits at start, r writes word */ |
1325 | quoting = 0; |
1326 | while (*p) { |
1327 | if (!quoting && (*p == ' ' || *p == '\t')) |
1328 | break; /* reached end of word */ |
1329 | else if (*p == '"' && p[1] == '"') |
1330 | p += 2, *r++ = '"'; /* a literal quote */ |
1331 | else if (*p == '"') |
1332 | p++, quoting = !quoting; |
1333 | else |
1334 | *r++ = *p++; |
1335 | } |
1336 | if (*p) |
1337 | p++; /* skip over the whitespace */ |
1338 | *r = '\0'; |
1339 | if (cmd->nwords >= cmd->wordssize) { |
1340 | cmd->wordssize = cmd->nwords + 16; |
1341 | cmd->words = |
1342 | srealloc(cmd->words, cmd->wordssize * sizeof(char *)); |
1343 | } |
1344 | cmd->words[cmd->nwords++] = q; |
4c7f0d61 |
1345 | } |
4c7f0d61 |
1346 | } |
1347 | |
1348 | /* |
1349 | * Now parse the first word and assign a function. |
1350 | */ |
1351 | |
1352 | if (cmd->nwords == 0) |
1353 | cmd->obey = sftp_cmd_null; |
1354 | else { |
bf5240cd |
1355 | const struct sftp_cmd_lookup *lookup; |
1356 | lookup = lookup_command(cmd->words[0]); |
1357 | if (!lookup) |
1358 | cmd->obey = sftp_cmd_unknown; |
1359 | else |
1360 | cmd->obey = lookup->obey; |
4c7f0d61 |
1361 | } |
1362 | |
1363 | return cmd; |
1364 | } |
1365 | |
774204f5 |
1366 | static int do_sftp_init(void) |
32874aea |
1367 | { |
4c7f0d61 |
1368 | /* |
1369 | * Do protocol initialisation. |
1370 | */ |
1371 | if (!fxp_init()) { |
1372 | fprintf(stderr, |
32874aea |
1373 | "Fatal: unable to initialise SFTP: %s\n", fxp_error()); |
774204f5 |
1374 | return 1; /* failure */ |
4c7f0d61 |
1375 | } |
1376 | |
1377 | /* |
1378 | * Find out where our home directory is. |
1379 | */ |
f9e162aa |
1380 | homedir = fxp_realpath("."); |
4c7f0d61 |
1381 | if (!homedir) { |
1382 | fprintf(stderr, |
1383 | "Warning: failed to resolve home directory: %s\n", |
1384 | fxp_error()); |
1385 | homedir = dupstr("."); |
1386 | } else { |
1387 | printf("Remote working directory is %s\n", homedir); |
1388 | } |
1389 | pwd = dupstr(homedir); |
774204f5 |
1390 | return 0; |
fa3db767 |
1391 | } |
1392 | |
1393 | void do_sftp(int mode, int modeflags, char *batchfile) |
1394 | { |
1395 | FILE *fp; |
df49ff19 |
1396 | int ret; |
4c7f0d61 |
1397 | |
9954aaa3 |
1398 | /* |
1399 | * Batch mode? |
4c7f0d61 |
1400 | */ |
9954aaa3 |
1401 | if (mode == 0) { |
1402 | |
1403 | /* ------------------------------------------------------------------ |
1404 | * Now we're ready to do Real Stuff. |
1405 | */ |
1406 | while (1) { |
df49ff19 |
1407 | struct sftp_command *cmd; |
1408 | cmd = sftp_getcmd(stdin, 0, 0); |
1409 | if (!cmd) |
1410 | break; |
1411 | if (cmd->obey(cmd) < 0) |
1412 | break; |
bf5240cd |
1413 | } |
9954aaa3 |
1414 | } else { |
1415 | fp = fopen(batchfile, "r"); |
1416 | if (!fp) { |
bf5240cd |
1417 | printf("Fatal: unable to open %s\n", batchfile); |
1418 | return; |
9954aaa3 |
1419 | } |
1420 | while (1) { |
bf5240cd |
1421 | struct sftp_command *cmd; |
1422 | cmd = sftp_getcmd(fp, mode, modeflags); |
1423 | if (!cmd) |
1424 | break; |
df49ff19 |
1425 | ret = cmd->obey(cmd); |
1426 | if (ret < 0) |
bf5240cd |
1427 | break; |
df49ff19 |
1428 | if (ret == 0) { |
bf5240cd |
1429 | if (!(modeflags & 2)) |
9954aaa3 |
1430 | break; |
bf5240cd |
1431 | } |
9954aaa3 |
1432 | } |
bf5240cd |
1433 | fclose(fp); |
9954aaa3 |
1434 | |
4c7f0d61 |
1435 | } |
4a8fc3c4 |
1436 | } |
4c7f0d61 |
1437 | |
4a8fc3c4 |
1438 | /* ---------------------------------------------------------------------- |
1439 | * Dirty bits: integration with PuTTY. |
1440 | */ |
1441 | |
1442 | static int verbose = 0; |
1443 | |
7bedb13c |
1444 | /* |
4a8fc3c4 |
1445 | * Print an error message and perform a fatal exit. |
1446 | */ |
1447 | void fatalbox(char *fmt, ...) |
1448 | { |
32874aea |
1449 | char str[0x100]; /* Make the size big enough */ |
4a8fc3c4 |
1450 | va_list ap; |
1451 | va_start(ap, fmt); |
1452 | strcpy(str, "Fatal:"); |
32874aea |
1453 | vsprintf(str + strlen(str), fmt, ap); |
4a8fc3c4 |
1454 | va_end(ap); |
1455 | strcat(str, "\n"); |
9c63f4d2 |
1456 | fputs(str, stderr); |
4a8fc3c4 |
1457 | |
93b581bd |
1458 | cleanup_exit(1); |
4a8fc3c4 |
1459 | } |
1460 | void connection_fatal(char *fmt, ...) |
1461 | { |
32874aea |
1462 | char str[0x100]; /* Make the size big enough */ |
4a8fc3c4 |
1463 | va_list ap; |
1464 | va_start(ap, fmt); |
1465 | strcpy(str, "Fatal:"); |
32874aea |
1466 | vsprintf(str + strlen(str), fmt, ap); |
4a8fc3c4 |
1467 | va_end(ap); |
1468 | strcat(str, "\n"); |
9c63f4d2 |
1469 | fputs(str, stderr); |
4a8fc3c4 |
1470 | |
93b581bd |
1471 | cleanup_exit(1); |
4a8fc3c4 |
1472 | } |
1473 | |
760e88b2 |
1474 | void ldisc_send(char *buf, int len, int interactive) |
32874aea |
1475 | { |
4a8fc3c4 |
1476 | /* |
1477 | * This is only here because of the calls to ldisc_send(NULL, |
1478 | * 0) in ssh.c. Nothing in PSFTP actually needs to use the |
1479 | * ldisc as an ldisc. So if we get called with any real data, I |
1480 | * want to know about it. |
4c7f0d61 |
1481 | */ |
4a8fc3c4 |
1482 | assert(len == 0); |
1483 | } |
1484 | |
1485 | /* |
1486 | * Be told what socket we're supposed to be using. |
1487 | */ |
1488 | static SOCKET sftp_ssh_socket; |
32874aea |
1489 | char *do_select(SOCKET skt, int startup) |
1490 | { |
4a8fc3c4 |
1491 | if (startup) |
1492 | sftp_ssh_socket = skt; |
1493 | else |
1494 | sftp_ssh_socket = INVALID_SOCKET; |
1495 | return NULL; |
4c7f0d61 |
1496 | } |
4a8fc3c4 |
1497 | extern int select_result(WPARAM, LPARAM); |
1498 | |
1499 | /* |
1500 | * Receive a block of data from the SSH link. Block until all data |
1501 | * is available. |
1502 | * |
1503 | * To do this, we repeatedly call the SSH protocol module, with our |
1504 | * own trap in from_backend() to catch the data that comes back. We |
1505 | * do this until we have enough data. |
1506 | */ |
1507 | |
32874aea |
1508 | static unsigned char *outptr; /* where to put the data */ |
1509 | static unsigned outlen; /* how much data required */ |
4a8fc3c4 |
1510 | static unsigned char *pending = NULL; /* any spare data */ |
32874aea |
1511 | static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */ |
5471d09a |
1512 | int from_backend(int is_stderr, char *data, int datalen) |
32874aea |
1513 | { |
1514 | unsigned char *p = (unsigned char *) data; |
1515 | unsigned len = (unsigned) datalen; |
4a8fc3c4 |
1516 | |
2b0c045b |
1517 | assert(len > 0); |
1518 | |
4a8fc3c4 |
1519 | /* |
1520 | * stderr data is just spouted to local stderr and otherwise |
1521 | * ignored. |
1522 | */ |
1523 | if (is_stderr) { |
1524 | fwrite(data, 1, len, stderr); |
5471d09a |
1525 | return 0; |
4a8fc3c4 |
1526 | } |
1527 | |
1528 | /* |
1529 | * If this is before the real session begins, just return. |
1530 | */ |
1531 | if (!outptr) |
5471d09a |
1532 | return 0; |
4a8fc3c4 |
1533 | |
1534 | if (outlen > 0) { |
32874aea |
1535 | unsigned used = outlen; |
1536 | if (used > len) |
1537 | used = len; |
1538 | memcpy(outptr, p, used); |
1539 | outptr += used; |
1540 | outlen -= used; |
1541 | p += used; |
1542 | len -= used; |
4a8fc3c4 |
1543 | } |
1544 | |
1545 | if (len > 0) { |
32874aea |
1546 | if (pendsize < pendlen + len) { |
1547 | pendsize = pendlen + len + 4096; |
1548 | pending = (pending ? srealloc(pending, pendsize) : |
1549 | smalloc(pendsize)); |
1550 | if (!pending) |
1551 | fatalbox("Out of memory"); |
1552 | } |
1553 | memcpy(pending + pendlen, p, len); |
1554 | pendlen += len; |
4a8fc3c4 |
1555 | } |
5471d09a |
1556 | |
1557 | return 0; |
4a8fc3c4 |
1558 | } |
32874aea |
1559 | int sftp_recvdata(char *buf, int len) |
1560 | { |
1561 | outptr = (unsigned char *) buf; |
4a8fc3c4 |
1562 | outlen = len; |
1563 | |
1564 | /* |
1565 | * See if the pending-input block contains some of what we |
1566 | * need. |
1567 | */ |
1568 | if (pendlen > 0) { |
32874aea |
1569 | unsigned pendused = pendlen; |
1570 | if (pendused > outlen) |
1571 | pendused = outlen; |
4a8fc3c4 |
1572 | memcpy(outptr, pending, pendused); |
32874aea |
1573 | memmove(pending, pending + pendused, pendlen - pendused); |
4a8fc3c4 |
1574 | outptr += pendused; |
1575 | outlen -= pendused; |
32874aea |
1576 | pendlen -= pendused; |
1577 | if (pendlen == 0) { |
1578 | pendsize = 0; |
1579 | sfree(pending); |
1580 | pending = NULL; |
1581 | } |
1582 | if (outlen == 0) |
1583 | return 1; |
4a8fc3c4 |
1584 | } |
1585 | |
1586 | while (outlen > 0) { |
32874aea |
1587 | fd_set readfds; |
4a8fc3c4 |
1588 | |
32874aea |
1589 | FD_ZERO(&readfds); |
1590 | FD_SET(sftp_ssh_socket, &readfds); |
1591 | if (select(1, &readfds, NULL, NULL, NULL) < 0) |
1592 | return 0; /* doom */ |
1593 | select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_READ); |
4a8fc3c4 |
1594 | } |
1595 | |
1596 | return 1; |
1597 | } |
32874aea |
1598 | int sftp_senddata(char *buf, int len) |
1599 | { |
1600 | back->send((unsigned char *) buf, len); |
4a8fc3c4 |
1601 | return 1; |
1602 | } |
1603 | |
1604 | /* |
1605 | * Loop through the ssh connection and authentication process. |
1606 | */ |
32874aea |
1607 | static void ssh_sftp_init(void) |
1608 | { |
4a8fc3c4 |
1609 | if (sftp_ssh_socket == INVALID_SOCKET) |
1610 | return; |
1611 | while (!back->sendok()) { |
32874aea |
1612 | fd_set readfds; |
1613 | FD_ZERO(&readfds); |
1614 | FD_SET(sftp_ssh_socket, &readfds); |
1615 | if (select(1, &readfds, NULL, NULL, NULL) < 0) |
1616 | return; /* doom */ |
1617 | select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_READ); |
4a8fc3c4 |
1618 | } |
1619 | } |
1620 | |
4a8fc3c4 |
1621 | /* |
1622 | * Initialize the Win$ock driver. |
1623 | */ |
1624 | static void init_winsock(void) |
1625 | { |
1626 | WORD winsock_ver; |
1627 | WSADATA wsadata; |
1628 | |
1629 | winsock_ver = MAKEWORD(1, 1); |
1630 | if (WSAStartup(winsock_ver, &wsadata)) { |
1631 | fprintf(stderr, "Unable to initialise WinSock"); |
93b581bd |
1632 | cleanup_exit(1); |
4a8fc3c4 |
1633 | } |
32874aea |
1634 | if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) { |
4a8fc3c4 |
1635 | fprintf(stderr, "WinSock version is incompatible with 1.1"); |
93b581bd |
1636 | cleanup_exit(1); |
4a8fc3c4 |
1637 | } |
1638 | } |
1639 | |
1640 | /* |
1641 | * Short description of parameters. |
1642 | */ |
1643 | static void usage(void) |
1644 | { |
1645 | printf("PuTTY Secure File Transfer (SFTP) client\n"); |
1646 | printf("%s\n", ver); |
1647 | printf("Usage: psftp [options] user@host\n"); |
1648 | printf("Options:\n"); |
9954aaa3 |
1649 | printf(" -b file use specified batchfile\n"); |
1650 | printf(" -bc output batchfile commands\n"); |
1651 | printf(" -be don't stop batchfile processing if errors\n"); |
4a8fc3c4 |
1652 | printf(" -v show verbose messages\n"); |
1653 | printf(" -P port connect to specified port\n"); |
1654 | printf(" -pw passw login with specified password\n"); |
93b581bd |
1655 | cleanup_exit(1); |
4a8fc3c4 |
1656 | } |
1657 | |
1658 | /* |
fa3db767 |
1659 | * Connect to a host. |
4a8fc3c4 |
1660 | */ |
fa3db767 |
1661 | static int psftp_connect(char *userhost, char *user, int portnumber) |
4a8fc3c4 |
1662 | { |
fa3db767 |
1663 | char *host, *realhost; |
4a8fc3c4 |
1664 | char *err; |
4a8fc3c4 |
1665 | |
1666 | /* Separate host and username */ |
1667 | host = userhost; |
1668 | host = strrchr(host, '@'); |
1669 | if (host == NULL) { |
1670 | host = userhost; |
1671 | } else { |
1672 | *host++ = '\0'; |
1673 | if (user) { |
32874aea |
1674 | printf("psftp: multiple usernames specified; using \"%s\"\n", |
1675 | user); |
4a8fc3c4 |
1676 | } else |
1677 | user = userhost; |
1678 | } |
1679 | |
1680 | /* Try to load settings for this host */ |
1681 | do_defaults(host, &cfg); |
1682 | if (cfg.host[0] == '\0') { |
1683 | /* No settings for this host; use defaults */ |
32874aea |
1684 | do_defaults(NULL, &cfg); |
1685 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
1686 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
4a8fc3c4 |
1687 | cfg.port = 22; |
1688 | } |
1689 | |
449925a6 |
1690 | /* |
1691 | * Trim leading whitespace off the hostname if it's there. |
1692 | */ |
1693 | { |
1694 | int space = strspn(cfg.host, " \t"); |
1695 | memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space); |
1696 | } |
1697 | |
1698 | /* See if host is of the form user@host */ |
1699 | if (cfg.host[0] != '\0') { |
1700 | char *atsign = strchr(cfg.host, '@'); |
1701 | /* Make sure we're not overflowing the user field */ |
1702 | if (atsign) { |
1703 | if (atsign - cfg.host < sizeof cfg.username) { |
1704 | strncpy(cfg.username, cfg.host, atsign - cfg.host); |
1705 | cfg.username[atsign - cfg.host] = '\0'; |
1706 | } |
1707 | memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1)); |
1708 | } |
1709 | } |
1710 | |
1711 | /* |
1712 | * Trim a colon suffix off the hostname if it's there. |
1713 | */ |
1714 | cfg.host[strcspn(cfg.host, ":")] = '\0'; |
1715 | |
4a8fc3c4 |
1716 | /* Set username */ |
1717 | if (user != NULL && user[0] != '\0') { |
32874aea |
1718 | strncpy(cfg.username, user, sizeof(cfg.username) - 1); |
1719 | cfg.username[sizeof(cfg.username) - 1] = '\0'; |
4a8fc3c4 |
1720 | } |
1721 | if (!cfg.username[0]) { |
1722 | printf("login as: "); |
1723 | if (!fgets(cfg.username, sizeof(cfg.username), stdin)) { |
1724 | fprintf(stderr, "psftp: aborting\n"); |
93b581bd |
1725 | cleanup_exit(1); |
4a8fc3c4 |
1726 | } else { |
1727 | int len = strlen(cfg.username); |
32874aea |
1728 | if (cfg.username[len - 1] == '\n') |
1729 | cfg.username[len - 1] = '\0'; |
4a8fc3c4 |
1730 | } |
1731 | } |
1732 | |
1733 | if (cfg.protocol != PROT_SSH) |
1734 | cfg.port = 22; |
1735 | |
1736 | if (portnumber) |
1737 | cfg.port = portnumber; |
1738 | |
1739 | /* SFTP uses SSH2 by default always */ |
1740 | cfg.sshprot = 2; |
1741 | |
d27b4a18 |
1742 | /* |
1743 | * Disable scary things which shouldn't be enabled for simple |
1744 | * things like SCP and SFTP: agent forwarding, port forwarding, |
1745 | * X forwarding. |
1746 | */ |
1747 | cfg.x11_forward = 0; |
1748 | cfg.agentfwd = 0; |
1749 | cfg.portfwd[0] = cfg.portfwd[1] = '\0'; |
1750 | |
bebf22d0 |
1751 | /* Set up subsystem name. */ |
4a8fc3c4 |
1752 | strcpy(cfg.remote_cmd, "sftp"); |
1753 | cfg.ssh_subsys = TRUE; |
1754 | cfg.nopty = TRUE; |
1755 | |
bebf22d0 |
1756 | /* |
1757 | * Set up fallback option, for SSH1 servers or servers with the |
1758 | * sftp subsystem not enabled but the server binary installed |
1759 | * in the usual place. We only support fallback on Unix |
248c0c5a |
1760 | * systems, and we use a kludgy piece of shellery which should |
1761 | * try to find sftp-server in various places (the obvious |
1762 | * systemwide spots /usr/lib and /usr/local/lib, and then the |
1763 | * user's PATH) and finally give up. |
bebf22d0 |
1764 | * |
248c0c5a |
1765 | * test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server |
1766 | * test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server |
1767 | * exec sftp-server |
bebf22d0 |
1768 | * |
1769 | * the idea being that this will attempt to use either of the |
1770 | * obvious pathnames and then give up, and when it does give up |
1771 | * it will print the preferred pathname in the error messages. |
1772 | */ |
1773 | cfg.remote_cmd_ptr2 = |
248c0c5a |
1774 | "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" |
1775 | "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" |
1776 | "exec sftp-server"; |
bebf22d0 |
1777 | cfg.ssh_subsys2 = FALSE; |
1778 | |
4a8fc3c4 |
1779 | back = &ssh_backend; |
1780 | |
2184a5d9 |
1781 | err = back->init(cfg.host, cfg.port, &realhost, 0); |
4a8fc3c4 |
1782 | if (err != NULL) { |
fa3db767 |
1783 | fprintf(stderr, "ssh_init: %s\n", err); |
4a8fc3c4 |
1784 | return 1; |
1785 | } |
1786 | ssh_sftp_init(); |
1787 | if (verbose && realhost != NULL) |
1788 | printf("Connected to %s\n", realhost); |
fa3db767 |
1789 | return 0; |
1790 | } |
1791 | |
1792 | /* |
1793 | * Main program. Parse arguments etc. |
1794 | */ |
1795 | int main(int argc, char *argv[]) |
1796 | { |
1797 | int i; |
1798 | int portnumber = 0; |
1799 | char *userhost, *user; |
1800 | int mode = 0; |
1801 | int modeflags = 0; |
1802 | char *batchfile = NULL; |
1803 | |
1804 | flags = FLAG_STDERR | FLAG_INTERACTIVE; |
ff2ae367 |
1805 | ssh_get_line = &console_get_line; |
fa3db767 |
1806 | init_winsock(); |
1807 | sk_init(); |
1808 | |
1809 | userhost = user = NULL; |
1810 | |
1811 | for (i = 1; i < argc; i++) { |
1812 | if (argv[i][0] != '-') { |
1813 | if (userhost) |
1814 | usage(); |
1815 | else |
1816 | userhost = dupstr(argv[i]); |
1817 | } else if (strcmp(argv[i], "-v") == 0) { |
1818 | verbose = 1, flags |= FLAG_VERBOSE; |
1819 | } else if (strcmp(argv[i], "-h") == 0 || |
1820 | strcmp(argv[i], "-?") == 0) { |
1821 | usage(); |
1822 | } else if (strcmp(argv[i], "-l") == 0 && i + 1 < argc) { |
1823 | user = argv[++i]; |
1824 | } else if (strcmp(argv[i], "-P") == 0 && i + 1 < argc) { |
1825 | portnumber = atoi(argv[++i]); |
1826 | } else if (strcmp(argv[i], "-pw") == 0 && i + 1 < argc) { |
ff2ae367 |
1827 | console_password = argv[++i]; |
fa3db767 |
1828 | } else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) { |
1829 | mode = 1; |
1830 | batchfile = argv[++i]; |
d13c2ee9 |
1831 | } else if (strcmp(argv[i], "-bc") == 0) { |
fa3db767 |
1832 | modeflags = modeflags | 1; |
ff2ae367 |
1833 | } else if (strcmp(argv[i], "-batch") == 0) { |
1834 | console_batch_mode = TRUE; |
d13c2ee9 |
1835 | } else if (strcmp(argv[i], "-be") == 0) { |
fa3db767 |
1836 | modeflags = modeflags | 2; |
1837 | } else if (strcmp(argv[i], "--") == 0) { |
1838 | i++; |
1839 | break; |
1840 | } else { |
1841 | usage(); |
1842 | } |
1843 | } |
1844 | argc -= i; |
1845 | argv += i; |
1846 | back = NULL; |
1847 | |
1848 | /* |
1849 | * If a user@host string has already been provided, connect to |
1850 | * it now. |
1851 | */ |
1852 | if (userhost) { |
1853 | if (psftp_connect(userhost, user, portnumber)) |
1854 | return 1; |
774204f5 |
1855 | if (do_sftp_init()) |
1856 | return 1; |
fa3db767 |
1857 | } else { |
1858 | printf("psftp: no hostname specified; use \"open host.name\"" |
1859 | " to connect\n"); |
1860 | } |
4c7f0d61 |
1861 | |
9954aaa3 |
1862 | do_sftp(mode, modeflags, batchfile); |
4a8fc3c4 |
1863 | |
1864 | if (back != NULL && back->socket() != NULL) { |
1865 | char ch; |
1866 | back->special(TS_EOF); |
1867 | sftp_recvdata(&ch, 1); |
1868 | } |
1869 | WSACleanup(); |
1870 | random_save_seed(); |
1871 | |
4c7f0d61 |
1872 | return 0; |
1873 | } |