4c7f0d61 |
1 | /* |
f4ff9455 |
2 | * psftp.c: (platform-independent) front end for PSFTP. |
4c7f0d61 |
3 | */ |
4 | |
5 | #include <stdio.h> |
6 | #include <stdlib.h> |
f9e162aa |
7 | #include <stdarg.h> |
4c7f0d61 |
8 | #include <assert.h> |
d92624dc |
9 | #include <limits.h> |
4c7f0d61 |
10 | |
4a8fc3c4 |
11 | #define PUTTY_DO_GLOBALS |
12 | #include "putty.h" |
d6cc41e6 |
13 | #include "psftp.h" |
4a8fc3c4 |
14 | #include "storage.h" |
15 | #include "ssh.h" |
4c7f0d61 |
16 | #include "sftp.h" |
17 | #include "int64.h" |
18 | |
5471d09a |
19 | /* |
20 | * Since SFTP is a request-response oriented protocol, it requires |
21 | * no buffer management: when we send data, we stop and wait for an |
22 | * acknowledgement _anyway_, and so we can't possibly overfill our |
23 | * send buffer. |
24 | */ |
25 | |
fa3db767 |
26 | static int psftp_connect(char *userhost, char *user, int portnumber); |
07534184 |
27 | static int do_sftp_init(void); |
679539d7 |
28 | void do_sftp_cleanup(); |
fa3db767 |
29 | |
4c7f0d61 |
30 | /* ---------------------------------------------------------------------- |
4c7f0d61 |
31 | * sftp client state. |
32 | */ |
33 | |
34 | char *pwd, *homedir; |
6b78788a |
35 | static Backend *back; |
36 | static void *backhandle; |
3ea863a3 |
37 | static Config cfg; |
4c7f0d61 |
38 | |
39 | /* ---------------------------------------------------------------------- |
40 | * Higher-level helper functions used in commands. |
41 | */ |
42 | |
43 | /* |
f9e162aa |
44 | * Attempt to canonify a pathname starting from the pwd. If |
45 | * canonification fails, at least fall back to returning a _valid_ |
46 | * pathname (though it may be ugly, eg /home/simon/../foobar). |
4c7f0d61 |
47 | */ |
32874aea |
48 | char *canonify(char *name) |
49 | { |
f9e162aa |
50 | char *fullname, *canonname; |
1bc24185 |
51 | struct sftp_packet *pktin; |
52 | struct sftp_request *req, *rreq; |
4a8fc3c4 |
53 | |
f9e162aa |
54 | if (name[0] == '/') { |
55 | fullname = dupstr(name); |
56 | } else { |
4a8fc3c4 |
57 | char *slash; |
32874aea |
58 | if (pwd[strlen(pwd) - 1] == '/') |
4a8fc3c4 |
59 | slash = ""; |
60 | else |
61 | slash = "/"; |
62 | fullname = dupcat(pwd, slash, name, NULL); |
f9e162aa |
63 | } |
4a8fc3c4 |
64 | |
1bc24185 |
65 | sftp_register(req = fxp_realpath_send(fullname)); |
66 | rreq = sftp_find_request(pktin = sftp_recv()); |
67 | assert(rreq == req); |
7b7de4f4 |
68 | canonname = fxp_realpath_recv(pktin, rreq); |
4a8fc3c4 |
69 | |
f9e162aa |
70 | if (canonname) { |
71 | sfree(fullname); |
72 | return canonname; |
50d7e054 |
73 | } else { |
32874aea |
74 | /* |
75 | * Attempt number 2. Some FXP_REALPATH implementations |
76 | * (glibc-based ones, in particular) require the _whole_ |
77 | * path to point to something that exists, whereas others |
78 | * (BSD-based) only require all but the last component to |
79 | * exist. So if the first call failed, we should strip off |
80 | * everything from the last slash onwards and try again, |
81 | * then put the final component back on. |
82 | * |
83 | * Special cases: |
84 | * |
85 | * - if the last component is "/." or "/..", then we don't |
86 | * bother trying this because there's no way it can work. |
87 | * |
88 | * - if the thing actually ends with a "/", we remove it |
89 | * before we start. Except if the string is "/" itself |
90 | * (although I can't see why we'd have got here if so, |
91 | * because surely "/" would have worked the first |
92 | * time?), in which case we don't bother. |
93 | * |
94 | * - if there's no slash in the string at all, give up in |
95 | * confusion (we expect at least one because of the way |
96 | * we constructed the string). |
97 | */ |
98 | |
99 | int i; |
100 | char *returnname; |
101 | |
102 | i = strlen(fullname); |
103 | if (i > 2 && fullname[i - 1] == '/') |
104 | fullname[--i] = '\0'; /* strip trailing / unless at pos 0 */ |
105 | while (i > 0 && fullname[--i] != '/'); |
106 | |
107 | /* |
108 | * Give up on special cases. |
109 | */ |
110 | if (fullname[i] != '/' || /* no slash at all */ |
111 | !strcmp(fullname + i, "/.") || /* ends in /. */ |
112 | !strcmp(fullname + i, "/..") || /* ends in /.. */ |
113 | !strcmp(fullname, "/")) { |
114 | return fullname; |
115 | } |
116 | |
117 | /* |
118 | * Now i points at the slash. Deal with the final special |
119 | * case i==0 (ie the whole path was "/nonexistentfile"). |
120 | */ |
121 | fullname[i] = '\0'; /* separate the string */ |
122 | if (i == 0) { |
1bc24185 |
123 | sftp_register(req = fxp_realpath_send("/")); |
32874aea |
124 | } else { |
1bc24185 |
125 | sftp_register(req = fxp_realpath_send(fullname)); |
32874aea |
126 | } |
1bc24185 |
127 | rreq = sftp_find_request(pktin = sftp_recv()); |
128 | assert(rreq == req); |
7b7de4f4 |
129 | canonname = fxp_realpath_recv(pktin, rreq); |
32874aea |
130 | |
131 | if (!canonname) |
132 | return fullname; /* even that failed; give up */ |
133 | |
134 | /* |
135 | * We have a canonical name for all but the last path |
136 | * component. Concatenate the last component and return. |
137 | */ |
138 | returnname = dupcat(canonname, |
139 | canonname[strlen(canonname) - 1] == |
140 | '/' ? "" : "/", fullname + i + 1, NULL); |
141 | sfree(fullname); |
142 | sfree(canonname); |
143 | return returnname; |
50d7e054 |
144 | } |
4c7f0d61 |
145 | } |
146 | |
dcf8495c |
147 | /* |
148 | * Return a pointer to the portion of str that comes after the last |
149 | * slash (or backslash or colon, if `local' is TRUE). |
150 | */ |
151 | static char *stripslashes(char *str, int local) |
152 | { |
153 | char *p; |
154 | |
155 | if (local) { |
156 | p = strchr(str, ':'); |
157 | if (p) str = p+1; |
158 | } |
159 | |
160 | p = strrchr(str, '/'); |
161 | if (p) str = p+1; |
162 | |
163 | if (local) { |
164 | p = strrchr(str, '\\'); |
165 | if (p) str = p+1; |
166 | } |
167 | |
168 | return str; |
169 | } |
170 | |
4c7f0d61 |
171 | /* |
93e86a8b |
172 | * qsort comparison routine for fxp_name structures. Sorts by real |
173 | * file name. |
4c7f0d61 |
174 | */ |
93e86a8b |
175 | static int sftp_name_compare(const void *av, const void *bv) |
32874aea |
176 | { |
7d2c1789 |
177 | const struct fxp_name *const *a = (const struct fxp_name *const *) av; |
178 | const struct fxp_name *const *b = (const struct fxp_name *const *) bv; |
179 | return strcmp((*a)->filename, (*b)->filename); |
4c7f0d61 |
180 | } |
4c7f0d61 |
181 | |
182 | /* |
93e86a8b |
183 | * Likewise, but for a bare char *. |
4f2b387f |
184 | */ |
93e86a8b |
185 | static int bare_name_compare(const void *av, const void *bv) |
4f2b387f |
186 | { |
93e86a8b |
187 | const char **a = (const char **) av; |
188 | const char **b = (const char **) bv; |
189 | return strcmp(*a, *b); |
4f2b387f |
190 | } |
191 | |
93e86a8b |
192 | /* ---------------------------------------------------------------------- |
193 | * The meat of the `get' and `put' commands. |
4c7f0d61 |
194 | */ |
5079ee6d |
195 | int sftp_get_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
196 | { |
4c7f0d61 |
197 | struct fxp_handle *fh; |
1bc24185 |
198 | struct sftp_packet *pktin; |
199 | struct sftp_request *req, *rreq; |
c606c42d |
200 | struct fxp_xfer *xfer; |
4c7f0d61 |
201 | uint64 offset; |
202 | FILE *fp; |
479fe1ba |
203 | int ret, shown_err = FALSE; |
4c7f0d61 |
204 | |
93e86a8b |
205 | /* |
206 | * In recursive mode, see if we're dealing with a directory. |
207 | * (If we're not in recursive mode, we need not even check: the |
208 | * subsequent FXP_OPEN will return a usable error message.) |
209 | */ |
5079ee6d |
210 | if (recurse) { |
93e86a8b |
211 | struct fxp_attrs attrs; |
212 | int result; |
fa3db767 |
213 | |
5079ee6d |
214 | sftp_register(req = fxp_stat_send(fname)); |
215 | rreq = sftp_find_request(pktin = sftp_recv()); |
216 | assert(rreq == req); |
217 | result = fxp_stat_recv(pktin, rreq, &attrs); |
9c77ddf6 |
218 | |
5079ee6d |
219 | if (result && |
220 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
221 | (attrs.permissions & 0040000)) { |
93e86a8b |
222 | |
223 | struct fxp_handle *dirhandle; |
224 | int nnames, namesize; |
225 | struct fxp_name **ournames; |
226 | struct fxp_names *names; |
227 | int i; |
228 | |
229 | /* |
230 | * First, attempt to create the destination directory, |
5079ee6d |
231 | * unless it already exists. |
93e86a8b |
232 | */ |
5079ee6d |
233 | if (file_type(outfname) != FILE_TYPE_DIRECTORY && |
93e86a8b |
234 | !create_directory(outfname)) { |
235 | printf("%s: Cannot create directory\n", outfname); |
236 | return 0; |
237 | } |
4c7f0d61 |
238 | |
93e86a8b |
239 | /* |
240 | * Now get the list of filenames in the remote |
241 | * directory. |
242 | */ |
243 | sftp_register(req = fxp_opendir_send(fname)); |
244 | rreq = sftp_find_request(pktin = sftp_recv()); |
245 | assert(rreq == req); |
246 | dirhandle = fxp_opendir_recv(pktin, rreq); |
247 | |
248 | if (!dirhandle) { |
249 | printf("%s: unable to open directory: %s\n", |
250 | fname, fxp_error()); |
251 | return 0; |
252 | } |
253 | nnames = namesize = 0; |
254 | ournames = NULL; |
255 | while (1) { |
256 | int i; |
257 | |
258 | sftp_register(req = fxp_readdir_send(dirhandle)); |
259 | rreq = sftp_find_request(pktin = sftp_recv()); |
260 | assert(rreq == req); |
261 | names = fxp_readdir_recv(pktin, rreq); |
262 | |
263 | if (names == NULL) { |
264 | if (fxp_error_type() == SSH_FX_EOF) |
265 | break; |
266 | printf("%s: reading directory: %s\n", fname, fxp_error()); |
267 | sfree(ournames); |
268 | return 0; |
269 | } |
270 | if (names->nnames == 0) { |
271 | fxp_free_names(names); |
272 | break; |
273 | } |
274 | if (nnames + names->nnames >= namesize) { |
275 | namesize += names->nnames + 128; |
276 | ournames = sresize(ournames, namesize, struct fxp_name *); |
277 | } |
278 | for (i = 0; i < names->nnames; i++) |
e9d14678 |
279 | if (strcmp(names->names[i].filename, ".") && |
5079ee6d |
280 | strcmp(names->names[i].filename, "..")) { |
e9d14678 |
281 | if (!vet_filename(names->names[i].filename)) { |
282 | printf("ignoring potentially dangerous server-" |
283 | "supplied filename '%s'\n", |
284 | names->names[i].filename); |
285 | } else { |
286 | ournames[nnames++] = |
287 | fxp_dup_name(&names->names[i]); |
288 | } |
289 | } |
93e86a8b |
290 | fxp_free_names(names); |
291 | } |
292 | sftp_register(req = fxp_close_send(dirhandle)); |
293 | rreq = sftp_find_request(pktin = sftp_recv()); |
294 | assert(rreq == req); |
295 | fxp_close_recv(pktin, rreq); |
296 | |
297 | /* |
298 | * Sort the names into a clear order. This ought to |
299 | * make things more predictable when we're doing a |
300 | * reget of the same directory, just in case two |
301 | * readdirs on the same remote directory return a |
302 | * different order. |
303 | */ |
304 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
305 | |
306 | /* |
307 | * If we're in restart mode, find the last filename on |
308 | * this list that already exists. We may have to do a |
309 | * reget on _that_ file, but shouldn't have to do |
310 | * anything on the previous files. |
311 | * |
312 | * If none of them exists, of course, we start at 0. |
313 | */ |
314 | i = 0; |
315 | while (i < nnames) { |
316 | char *nextoutfname; |
317 | int ret; |
9c77ddf6 |
318 | if (outfname) |
319 | nextoutfname = dir_file_cat(outfname, |
320 | ournames[i]->filename); |
321 | else |
322 | nextoutfname = dupstr(ournames[i]->filename); |
93e86a8b |
323 | ret = (file_type(nextoutfname) == FILE_TYPE_NONEXISTENT); |
324 | sfree(nextoutfname); |
325 | if (ret) |
326 | break; |
327 | i++; |
328 | } |
329 | if (i > 0) |
330 | i--; |
331 | |
332 | /* |
333 | * Now we're ready to recurse. Starting at ournames[i] |
334 | * and continuing on to the end of the list, we |
335 | * construct a new source and target file name, and |
336 | * call sftp_get_file again. |
337 | */ |
338 | for (; i < nnames; i++) { |
339 | char *nextfname, *nextoutfname; |
340 | int ret; |
341 | |
342 | nextfname = dupcat(fname, "/", ournames[i]->filename, NULL); |
9c77ddf6 |
343 | if (outfname) |
344 | nextoutfname = dir_file_cat(outfname, |
345 | ournames[i]->filename); |
346 | else |
347 | nextoutfname = dupstr(ournames[i]->filename); |
5079ee6d |
348 | ret = sftp_get_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
349 | restart = FALSE; /* after first partial file, do full */ |
350 | sfree(nextoutfname); |
351 | sfree(nextfname); |
352 | if (!ret) { |
353 | for (i = 0; i < nnames; i++) { |
354 | fxp_free_name(ournames[i]); |
355 | } |
356 | sfree(ournames); |
357 | return 0; |
358 | } |
359 | } |
360 | |
361 | /* |
362 | * Done this recursion level. Free everything. |
363 | */ |
364 | for (i = 0; i < nnames; i++) { |
365 | fxp_free_name(ournames[i]); |
366 | } |
367 | sfree(ournames); |
368 | |
369 | return 1; |
370 | } |
4c7f0d61 |
371 | } |
4c7f0d61 |
372 | |
1bc24185 |
373 | sftp_register(req = fxp_open_send(fname, SSH_FXF_READ)); |
374 | rreq = sftp_find_request(pktin = sftp_recv()); |
375 | assert(rreq == req); |
7b7de4f4 |
376 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
377 | |
4c7f0d61 |
378 | if (!fh) { |
379 | printf("%s: %s\n", fname, fxp_error()); |
4c7f0d61 |
380 | return 0; |
381 | } |
d92624dc |
382 | |
383 | if (restart) { |
384 | fp = fopen(outfname, "rb+"); |
385 | } else { |
386 | fp = fopen(outfname, "wb"); |
387 | } |
388 | |
4c7f0d61 |
389 | if (!fp) { |
390 | printf("local: unable to open %s\n", outfname); |
1bc24185 |
391 | |
392 | sftp_register(req = fxp_close_send(fh)); |
393 | rreq = sftp_find_request(pktin = sftp_recv()); |
394 | assert(rreq == req); |
7b7de4f4 |
395 | fxp_close_recv(pktin, rreq); |
1bc24185 |
396 | |
4c7f0d61 |
397 | return 0; |
398 | } |
399 | |
d92624dc |
400 | if (restart) { |
401 | long posn; |
402 | fseek(fp, 0L, SEEK_END); |
403 | posn = ftell(fp); |
404 | printf("reget: restarting at file position %ld\n", posn); |
405 | offset = uint64_make(0, posn); |
406 | } else { |
407 | offset = uint64_make(0, 0); |
408 | } |
4c7f0d61 |
409 | |
d92624dc |
410 | printf("remote:%s => local:%s\n", fname, outfname); |
4c7f0d61 |
411 | |
412 | /* |
413 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
414 | * thus put up a progress bar. |
415 | */ |
df49ff19 |
416 | ret = 1; |
c606c42d |
417 | xfer = xfer_download_init(fh, offset); |
df0870fc |
418 | while (!xfer_done(xfer)) { |
c606c42d |
419 | void *vbuf; |
420 | int ret, len; |
4c7f0d61 |
421 | int wpos, wlen; |
422 | |
c606c42d |
423 | xfer_download_queue(xfer); |
424 | pktin = sftp_recv(); |
425 | ret = xfer_download_gotpkt(xfer, pktin); |
426 | |
427 | if (ret < 0) { |
479fe1ba |
428 | if (!shown_err) { |
429 | printf("error while reading: %s\n", fxp_error()); |
430 | shown_err = TRUE; |
431 | } |
c606c42d |
432 | ret = 0; |
4c7f0d61 |
433 | } |
32874aea |
434 | |
c606c42d |
435 | while (xfer_download_data(xfer, &vbuf, &len)) { |
436 | unsigned char *buf = (unsigned char *)vbuf; |
437 | |
438 | wpos = 0; |
439 | while (wpos < len) { |
440 | wlen = fwrite(buf + wpos, 1, len - wpos, fp); |
441 | if (wlen <= 0) { |
442 | printf("error while writing local file\n"); |
443 | ret = 0; |
444 | xfer_set_error(xfer); |
445 | } |
446 | wpos += wlen; |
447 | } |
448 | if (wpos < len) { /* we had an error */ |
df49ff19 |
449 | ret = 0; |
c606c42d |
450 | xfer_set_error(xfer); |
4c7f0d61 |
451 | } |
9ff4e23d |
452 | |
453 | sfree(vbuf); |
df49ff19 |
454 | } |
4c7f0d61 |
455 | } |
456 | |
c606c42d |
457 | xfer_cleanup(xfer); |
458 | |
4c7f0d61 |
459 | fclose(fp); |
1bc24185 |
460 | |
461 | sftp_register(req = fxp_close_send(fh)); |
462 | rreq = sftp_find_request(pktin = sftp_recv()); |
463 | assert(rreq == req); |
7b7de4f4 |
464 | fxp_close_recv(pktin, rreq); |
1bc24185 |
465 | |
df49ff19 |
466 | return ret; |
4c7f0d61 |
467 | } |
468 | |
5079ee6d |
469 | int sftp_put_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
470 | { |
4c7f0d61 |
471 | struct fxp_handle *fh; |
df0870fc |
472 | struct fxp_xfer *xfer; |
1bc24185 |
473 | struct sftp_packet *pktin; |
474 | struct sftp_request *req, *rreq; |
4c7f0d61 |
475 | uint64 offset; |
476 | FILE *fp; |
df0870fc |
477 | int ret, err, eof; |
4c7f0d61 |
478 | |
93e86a8b |
479 | /* |
480 | * In recursive mode, see if we're dealing with a directory. |
481 | * (If we're not in recursive mode, we need not even check: the |
482 | * subsequent fopen will return an error message.) |
483 | */ |
5079ee6d |
484 | if (recurse && file_type(fname) == FILE_TYPE_DIRECTORY) { |
93e86a8b |
485 | struct fxp_attrs attrs; |
486 | int result; |
487 | int nnames, namesize; |
488 | char *name, **ournames; |
489 | DirHandle *dh; |
490 | int i; |
4c7f0d61 |
491 | |
5079ee6d |
492 | /* |
493 | * First, attempt to create the destination directory, |
494 | * unless it already exists. |
495 | */ |
496 | sftp_register(req = fxp_stat_send(outfname)); |
497 | rreq = sftp_find_request(pktin = sftp_recv()); |
498 | assert(rreq == req); |
499 | result = fxp_stat_recv(pktin, rreq, &attrs); |
500 | if (!result || |
501 | !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) || |
502 | !(attrs.permissions & 0040000)) { |
503 | sftp_register(req = fxp_mkdir_send(outfname)); |
93e86a8b |
504 | rreq = sftp_find_request(pktin = sftp_recv()); |
505 | assert(rreq == req); |
5079ee6d |
506 | result = fxp_mkdir_recv(pktin, rreq); |
93e86a8b |
507 | |
5079ee6d |
508 | if (!result) { |
509 | printf("%s: create directory: %s\n", |
510 | outfname, fxp_error()); |
511 | return 0; |
93e86a8b |
512 | } |
513 | } |
514 | |
515 | /* |
516 | * Now get the list of filenames in the local directory. |
517 | */ |
93e86a8b |
518 | nnames = namesize = 0; |
519 | ournames = NULL; |
9c77ddf6 |
520 | |
5079ee6d |
521 | dh = open_directory(fname); |
522 | if (!dh) { |
523 | printf("%s: unable to open directory\n", fname); |
524 | return 0; |
9c77ddf6 |
525 | } |
5079ee6d |
526 | while ((name = read_filename(dh)) != NULL) { |
527 | if (nnames >= namesize) { |
528 | namesize += 128; |
529 | ournames = sresize(ournames, namesize, char *); |
530 | } |
531 | ournames[nnames++] = name; |
93e86a8b |
532 | } |
5079ee6d |
533 | close_directory(dh); |
93e86a8b |
534 | |
535 | /* |
536 | * Sort the names into a clear order. This ought to make |
537 | * things more predictable when we're doing a reput of the |
538 | * same directory, just in case two readdirs on the same |
539 | * local directory return a different order. |
540 | */ |
541 | qsort(ournames, nnames, sizeof(*ournames), bare_name_compare); |
542 | |
543 | /* |
544 | * If we're in restart mode, find the last filename on this |
545 | * list that already exists. We may have to do a reput on |
546 | * _that_ file, but shouldn't have to do anything on the |
547 | * previous files. |
548 | * |
549 | * If none of them exists, of course, we start at 0. |
550 | */ |
551 | i = 0; |
552 | while (i < nnames) { |
553 | char *nextoutfname; |
554 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
555 | sftp_register(req = fxp_stat_send(nextoutfname)); |
556 | rreq = sftp_find_request(pktin = sftp_recv()); |
557 | assert(rreq == req); |
558 | result = fxp_stat_recv(pktin, rreq, &attrs); |
559 | sfree(nextoutfname); |
560 | if (!result) |
561 | break; |
562 | i++; |
563 | } |
564 | if (i > 0) |
565 | i--; |
566 | |
567 | /* |
568 | * Now we're ready to recurse. Starting at ournames[i] |
569 | * and continuing on to the end of the list, we |
570 | * construct a new source and target file name, and |
571 | * call sftp_put_file again. |
572 | */ |
573 | for (; i < nnames; i++) { |
574 | char *nextfname, *nextoutfname; |
575 | int ret; |
576 | |
9c77ddf6 |
577 | if (fname) |
578 | nextfname = dir_file_cat(fname, ournames[i]); |
579 | else |
580 | nextfname = dupstr(ournames[i]); |
93e86a8b |
581 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
5079ee6d |
582 | ret = sftp_put_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
583 | restart = FALSE; /* after first partial file, do full */ |
584 | sfree(nextoutfname); |
585 | sfree(nextfname); |
586 | if (!ret) { |
587 | for (i = 0; i < nnames; i++) { |
588 | sfree(ournames[i]); |
589 | } |
590 | sfree(ournames); |
591 | return 0; |
592 | } |
593 | } |
594 | |
595 | /* |
596 | * Done this recursion level. Free everything. |
597 | */ |
598 | for (i = 0; i < nnames; i++) { |
599 | sfree(ournames[i]); |
600 | } |
601 | sfree(ournames); |
602 | |
603 | return 1; |
4c7f0d61 |
604 | } |
605 | |
606 | fp = fopen(fname, "rb"); |
607 | if (!fp) { |
608 | printf("local: unable to open %s\n", fname); |
4c7f0d61 |
609 | return 0; |
610 | } |
d92624dc |
611 | if (restart) { |
1bc24185 |
612 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE)); |
d92624dc |
613 | } else { |
1bc24185 |
614 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE | |
615 | SSH_FXF_CREAT | SSH_FXF_TRUNC)); |
d92624dc |
616 | } |
1bc24185 |
617 | rreq = sftp_find_request(pktin = sftp_recv()); |
618 | assert(rreq == req); |
7b7de4f4 |
619 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
620 | |
4c7f0d61 |
621 | if (!fh) { |
622 | printf("%s: %s\n", outfname, fxp_error()); |
4c7f0d61 |
623 | return 0; |
624 | } |
625 | |
d92624dc |
626 | if (restart) { |
627 | char decbuf[30]; |
628 | struct fxp_attrs attrs; |
1bc24185 |
629 | int ret; |
630 | |
631 | sftp_register(req = fxp_fstat_send(fh)); |
632 | rreq = sftp_find_request(pktin = sftp_recv()); |
633 | assert(rreq == req); |
7b7de4f4 |
634 | ret = fxp_fstat_recv(pktin, rreq, &attrs); |
1bc24185 |
635 | |
636 | if (!ret) { |
d92624dc |
637 | printf("read size of %s: %s\n", outfname, fxp_error()); |
d92624dc |
638 | return 0; |
639 | } |
640 | if (!(attrs.flags & SSH_FILEXFER_ATTR_SIZE)) { |
641 | printf("read size of %s: size was not given\n", outfname); |
d92624dc |
642 | return 0; |
643 | } |
644 | offset = attrs.size; |
645 | uint64_decimal(offset, decbuf); |
646 | printf("reput: restarting at file position %s\n", decbuf); |
647 | if (uint64_compare(offset, uint64_make(0, LONG_MAX)) > 0) { |
648 | printf("reput: remote file is larger than we can deal with\n"); |
d92624dc |
649 | return 0; |
650 | } |
651 | if (fseek(fp, offset.lo, SEEK_SET) != 0) |
652 | fseek(fp, 0, SEEK_END); /* *shrug* */ |
653 | } else { |
654 | offset = uint64_make(0, 0); |
655 | } |
4c7f0d61 |
656 | |
d92624dc |
657 | printf("local:%s => remote:%s\n", fname, outfname); |
4c7f0d61 |
658 | |
659 | /* |
660 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
661 | * thus put up a progress bar. |
662 | */ |
df49ff19 |
663 | ret = 1; |
df0870fc |
664 | xfer = xfer_upload_init(fh, offset); |
665 | err = eof = 0; |
666 | while ((!err && !eof) || !xfer_done(xfer)) { |
4c7f0d61 |
667 | char buffer[4096]; |
1bc24185 |
668 | int len, ret; |
4c7f0d61 |
669 | |
df0870fc |
670 | while (xfer_upload_ready(xfer) && !err && !eof) { |
671 | len = fread(buffer, 1, sizeof(buffer), fp); |
672 | if (len == -1) { |
673 | printf("error while reading local file\n"); |
674 | err = 1; |
675 | } else if (len == 0) { |
676 | eof = 1; |
677 | } else { |
678 | xfer_upload_data(xfer, buffer, len); |
679 | } |
4c7f0d61 |
680 | } |
1bc24185 |
681 | |
2dbd915a |
682 | if (!xfer_done(xfer)) { |
683 | pktin = sftp_recv(); |
684 | ret = xfer_upload_gotpkt(xfer, pktin); |
685 | if (!ret) { |
686 | printf("error while writing: %s\n", fxp_error()); |
687 | err = 1; |
688 | } |
4c7f0d61 |
689 | } |
4c7f0d61 |
690 | } |
691 | |
df0870fc |
692 | xfer_cleanup(xfer); |
693 | |
1bc24185 |
694 | sftp_register(req = fxp_close_send(fh)); |
695 | rreq = sftp_find_request(pktin = sftp_recv()); |
696 | assert(rreq == req); |
7b7de4f4 |
697 | fxp_close_recv(pktin, rreq); |
1bc24185 |
698 | |
4c7f0d61 |
699 | fclose(fp); |
93e86a8b |
700 | |
701 | return ret; |
702 | } |
703 | |
704 | /* ---------------------------------------------------------------------- |
5079ee6d |
705 | * A remote wildcard matcher, providing a similar interface to the |
706 | * local one in psftp.h. |
707 | */ |
708 | |
709 | typedef struct SftpWildcardMatcher { |
710 | struct fxp_handle *dirh; |
711 | struct fxp_names *names; |
712 | int namepos; |
713 | char *wildcard, *prefix; |
714 | } SftpWildcardMatcher; |
715 | |
716 | SftpWildcardMatcher *sftp_begin_wildcard_matching(char *name) |
717 | { |
718 | struct sftp_packet *pktin; |
719 | struct sftp_request *req, *rreq; |
720 | char *wildcard; |
721 | char *unwcdir, *tmpdir, *cdir; |
722 | int len, check; |
723 | SftpWildcardMatcher *swcm; |
724 | struct fxp_handle *dirh; |
725 | |
726 | /* |
727 | * We don't handle multi-level wildcards; so we expect to find |
728 | * a fully specified directory part, followed by a wildcard |
729 | * after that. |
730 | */ |
731 | wildcard = stripslashes(name, 0); |
732 | |
733 | unwcdir = dupstr(name); |
734 | len = wildcard - name; |
735 | unwcdir[len] = '\0'; |
736 | if (len > 0 && unwcdir[len-1] == '/') |
737 | unwcdir[len-1] = '\0'; |
738 | tmpdir = snewn(1 + len, char); |
739 | check = wc_unescape(tmpdir, unwcdir); |
740 | sfree(tmpdir); |
741 | |
742 | if (!check) { |
743 | printf("Multiple-level wildcards are not supported\n"); |
744 | sfree(unwcdir); |
745 | return NULL; |
746 | } |
747 | |
748 | cdir = canonify(unwcdir); |
749 | |
750 | sftp_register(req = fxp_opendir_send(cdir)); |
751 | rreq = sftp_find_request(pktin = sftp_recv()); |
752 | assert(rreq == req); |
753 | dirh = fxp_opendir_recv(pktin, rreq); |
754 | |
755 | if (dirh) { |
756 | swcm = snew(SftpWildcardMatcher); |
757 | swcm->dirh = dirh; |
758 | swcm->names = NULL; |
759 | swcm->wildcard = dupstr(wildcard); |
760 | swcm->prefix = unwcdir; |
761 | } else { |
762 | printf("Unable to open %s: %s\n", cdir, fxp_error()); |
763 | swcm = NULL; |
764 | sfree(unwcdir); |
765 | } |
766 | |
767 | sfree(cdir); |
768 | |
769 | return swcm; |
770 | } |
771 | |
772 | char *sftp_wildcard_get_filename(SftpWildcardMatcher *swcm) |
773 | { |
774 | struct fxp_name *name; |
775 | struct sftp_packet *pktin; |
776 | struct sftp_request *req, *rreq; |
777 | |
778 | while (1) { |
779 | if (swcm->names && swcm->namepos >= swcm->names->nnames) { |
780 | fxp_free_names(swcm->names); |
781 | swcm->names = NULL; |
782 | } |
783 | |
784 | if (!swcm->names) { |
785 | sftp_register(req = fxp_readdir_send(swcm->dirh)); |
786 | rreq = sftp_find_request(pktin = sftp_recv()); |
787 | assert(rreq == req); |
788 | swcm->names = fxp_readdir_recv(pktin, rreq); |
789 | |
790 | if (!swcm->names) { |
791 | if (fxp_error_type() != SSH_FX_EOF) |
792 | printf("%s: reading directory: %s\n", swcm->prefix, |
793 | fxp_error()); |
794 | return NULL; |
795 | } |
796 | |
797 | swcm->namepos = 0; |
798 | } |
799 | |
800 | assert(swcm->names && swcm->namepos < swcm->names->nnames); |
801 | |
802 | name = &swcm->names->names[swcm->namepos++]; |
803 | |
804 | if (!strcmp(name->filename, ".") || !strcmp(name->filename, "..")) |
805 | continue; /* expected bad filenames */ |
806 | |
807 | if (!vet_filename(name->filename)) { |
808 | printf("ignoring potentially dangerous server-" |
809 | "supplied filename '%s'\n", name->filename); |
810 | continue; /* unexpected bad filename */ |
811 | } |
812 | |
813 | if (!wc_match(swcm->wildcard, name->filename)) |
814 | continue; /* doesn't match the wildcard */ |
815 | |
816 | /* |
817 | * We have a working filename. Return it. |
818 | */ |
819 | return dupprintf("%s%s%s", swcm->prefix, |
83567e43 |
820 | (!swcm->prefix[0] || |
821 | swcm->prefix[strlen(swcm->prefix)-1]=='/' ? |
822 | "" : "/"), |
5079ee6d |
823 | name->filename); |
824 | } |
825 | } |
826 | |
827 | void sftp_finish_wildcard_matching(SftpWildcardMatcher *swcm) |
828 | { |
829 | struct sftp_packet *pktin; |
830 | struct sftp_request *req, *rreq; |
831 | |
832 | sftp_register(req = fxp_close_send(swcm->dirh)); |
833 | rreq = sftp_find_request(pktin = sftp_recv()); |
834 | assert(rreq == req); |
835 | fxp_close_recv(pktin, rreq); |
836 | |
837 | if (swcm->names) |
838 | fxp_free_names(swcm->names); |
839 | |
840 | sfree(swcm->prefix); |
841 | sfree(swcm->wildcard); |
842 | |
843 | sfree(swcm); |
844 | } |
845 | |
83567e43 |
846 | /* |
847 | * General function to match a potential wildcard in a filename |
848 | * argument and iterate over every matching file. Used in several |
849 | * PSFTP commands (rmdir, rm, chmod, mv). |
850 | */ |
851 | int wildcard_iterate(char *filename, int (*func)(void *, char *), void *ctx) |
852 | { |
853 | char *unwcfname, *newname, *cname; |
854 | int is_wc, ret; |
855 | |
856 | unwcfname = snewn(strlen(filename)+1, char); |
857 | is_wc = !wc_unescape(unwcfname, filename); |
858 | |
859 | if (is_wc) { |
860 | SftpWildcardMatcher *swcm = sftp_begin_wildcard_matching(filename); |
861 | int matched = FALSE; |
862 | sfree(unwcfname); |
863 | |
864 | if (!swcm) |
865 | return 0; |
866 | |
867 | ret = 1; |
868 | |
869 | while ( (newname = sftp_wildcard_get_filename(swcm)) != NULL ) { |
870 | cname = canonify(newname); |
871 | if (!cname) { |
872 | printf("%s: %s\n", newname, fxp_error()); |
873 | ret = 0; |
874 | } |
875 | matched = TRUE; |
876 | ret &= func(ctx, cname); |
877 | sfree(cname); |
878 | } |
879 | |
880 | if (!matched) { |
881 | /* Politely warn the user that nothing matched. */ |
882 | printf("%s: nothing matched\n", filename); |
883 | } |
884 | |
885 | sftp_finish_wildcard_matching(swcm); |
886 | } else { |
887 | cname = canonify(unwcfname); |
888 | if (!cname) { |
889 | printf("%s: %s\n", filename, fxp_error()); |
890 | ret = 0; |
891 | } |
892 | ret = func(ctx, cname); |
893 | sfree(cname); |
894 | sfree(unwcfname); |
895 | } |
896 | |
897 | return ret; |
898 | } |
899 | |
900 | /* |
901 | * Handy helper function. |
902 | */ |
903 | int is_wildcard(char *name) |
904 | { |
905 | char *unwcfname = snewn(strlen(name)+1, char); |
906 | int is_wc = !wc_unescape(unwcfname, name); |
907 | sfree(unwcfname); |
908 | return is_wc; |
909 | } |
910 | |
5079ee6d |
911 | /* ---------------------------------------------------------------------- |
93e86a8b |
912 | * Actual sftp commands. |
913 | */ |
914 | struct sftp_command { |
915 | char **words; |
916 | int nwords, wordssize; |
917 | int (*obey) (struct sftp_command *); /* returns <0 to quit */ |
918 | }; |
919 | |
920 | int sftp_cmd_null(struct sftp_command *cmd) |
921 | { |
922 | return 1; /* success */ |
923 | } |
924 | |
925 | int sftp_cmd_unknown(struct sftp_command *cmd) |
926 | { |
927 | printf("psftp: unknown command \"%s\"\n", cmd->words[0]); |
928 | return 0; /* failure */ |
929 | } |
930 | |
931 | int sftp_cmd_quit(struct sftp_command *cmd) |
932 | { |
933 | return -1; |
934 | } |
935 | |
b614ce89 |
936 | int sftp_cmd_close(struct sftp_command *cmd) |
937 | { |
938 | if (back == NULL) { |
939 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
940 | return 0; |
941 | } |
942 | |
943 | if (back != NULL && back->socket(backhandle) != NULL) { |
944 | char ch; |
945 | back->special(backhandle, TS_EOF); |
946 | sftp_recvdata(&ch, 1); |
947 | } |
948 | do_sftp_cleanup(); |
949 | |
950 | return 0; |
951 | } |
952 | |
93e86a8b |
953 | /* |
954 | * List a directory. If no arguments are given, list pwd; otherwise |
955 | * list the directory given in words[1]. |
956 | */ |
957 | int sftp_cmd_ls(struct sftp_command *cmd) |
958 | { |
959 | struct fxp_handle *dirh; |
960 | struct fxp_names *names; |
961 | struct fxp_name **ournames; |
962 | int nnames, namesize; |
3394416c |
963 | char *dir, *cdir, *unwcdir, *wildcard; |
93e86a8b |
964 | struct sftp_packet *pktin; |
965 | struct sftp_request *req, *rreq; |
966 | int i; |
967 | |
968 | if (back == NULL) { |
969 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
970 | return 0; |
971 | } |
972 | |
973 | if (cmd->nwords < 2) |
974 | dir = "."; |
975 | else |
976 | dir = cmd->words[1]; |
977 | |
3394416c |
978 | unwcdir = snewn(1 + strlen(dir), char); |
979 | if (wc_unescape(unwcdir, dir)) { |
980 | dir = unwcdir; |
981 | wildcard = NULL; |
982 | } else { |
983 | char *tmpdir; |
984 | int len, check; |
985 | |
986 | wildcard = stripslashes(dir, 0); |
987 | unwcdir = dupstr(dir); |
988 | len = wildcard - dir; |
989 | unwcdir[len] = '\0'; |
990 | if (len > 0 && unwcdir[len-1] == '/') |
991 | unwcdir[len-1] = '\0'; |
992 | tmpdir = snewn(1 + len, char); |
993 | check = wc_unescape(tmpdir, unwcdir); |
994 | sfree(tmpdir); |
995 | if (!check) { |
996 | printf("Multiple-level wildcards are not supported\n"); |
997 | sfree(unwcdir); |
998 | return 0; |
999 | } |
1000 | dir = unwcdir; |
1001 | } |
1002 | |
93e86a8b |
1003 | cdir = canonify(dir); |
1004 | if (!cdir) { |
1005 | printf("%s: %s\n", dir, fxp_error()); |
3394416c |
1006 | sfree(unwcdir); |
93e86a8b |
1007 | return 0; |
1008 | } |
1009 | |
1010 | printf("Listing directory %s\n", cdir); |
1011 | |
1012 | sftp_register(req = fxp_opendir_send(cdir)); |
1013 | rreq = sftp_find_request(pktin = sftp_recv()); |
1014 | assert(rreq == req); |
1015 | dirh = fxp_opendir_recv(pktin, rreq); |
1016 | |
1017 | if (dirh == NULL) { |
1018 | printf("Unable to open %s: %s\n", dir, fxp_error()); |
1019 | } else { |
1020 | nnames = namesize = 0; |
1021 | ournames = NULL; |
1022 | |
1023 | while (1) { |
1024 | |
1025 | sftp_register(req = fxp_readdir_send(dirh)); |
1026 | rreq = sftp_find_request(pktin = sftp_recv()); |
1027 | assert(rreq == req); |
1028 | names = fxp_readdir_recv(pktin, rreq); |
1029 | |
1030 | if (names == NULL) { |
1031 | if (fxp_error_type() == SSH_FX_EOF) |
1032 | break; |
1033 | printf("Reading directory %s: %s\n", dir, fxp_error()); |
1034 | break; |
1035 | } |
1036 | if (names->nnames == 0) { |
1037 | fxp_free_names(names); |
1038 | break; |
1039 | } |
1040 | |
1041 | if (nnames + names->nnames >= namesize) { |
1042 | namesize += names->nnames + 128; |
1043 | ournames = sresize(ournames, namesize, struct fxp_name *); |
1044 | } |
1045 | |
1046 | for (i = 0; i < names->nnames; i++) |
3394416c |
1047 | if (!wildcard || wc_match(wildcard, names->names[i].filename)) |
1048 | ournames[nnames++] = fxp_dup_name(&names->names[i]); |
93e86a8b |
1049 | |
1050 | fxp_free_names(names); |
1051 | } |
1052 | sftp_register(req = fxp_close_send(dirh)); |
1053 | rreq = sftp_find_request(pktin = sftp_recv()); |
1054 | assert(rreq == req); |
1055 | fxp_close_recv(pktin, rreq); |
1056 | |
1057 | /* |
1058 | * Now we have our filenames. Sort them by actual file |
1059 | * name, and then output the longname parts. |
1060 | */ |
1061 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
1062 | |
1063 | /* |
1064 | * And print them. |
1065 | */ |
1066 | for (i = 0; i < nnames; i++) { |
1067 | printf("%s\n", ournames[i]->longname); |
1068 | fxp_free_name(ournames[i]); |
1069 | } |
1070 | sfree(ournames); |
1071 | } |
1072 | |
1073 | sfree(cdir); |
3394416c |
1074 | sfree(unwcdir); |
93e86a8b |
1075 | |
1076 | return 1; |
1077 | } |
1078 | |
1079 | /* |
1080 | * Change directories. We do this by canonifying the new name, then |
1081 | * trying to OPENDIR it. Only if that succeeds do we set the new pwd. |
1082 | */ |
1083 | int sftp_cmd_cd(struct sftp_command *cmd) |
1084 | { |
1085 | struct fxp_handle *dirh; |
1086 | struct sftp_packet *pktin; |
1087 | struct sftp_request *req, *rreq; |
1088 | char *dir; |
1089 | |
1090 | if (back == NULL) { |
1091 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1092 | return 0; |
1093 | } |
1094 | |
1095 | if (cmd->nwords < 2) |
1096 | dir = dupstr(homedir); |
1097 | else |
1098 | dir = canonify(cmd->words[1]); |
1099 | |
1100 | if (!dir) { |
1101 | printf("%s: %s\n", dir, fxp_error()); |
1102 | return 0; |
1103 | } |
1104 | |
1105 | sftp_register(req = fxp_opendir_send(dir)); |
1106 | rreq = sftp_find_request(pktin = sftp_recv()); |
1107 | assert(rreq == req); |
1108 | dirh = fxp_opendir_recv(pktin, rreq); |
1109 | |
1110 | if (!dirh) { |
1111 | printf("Directory %s: %s\n", dir, fxp_error()); |
1112 | sfree(dir); |
1113 | return 0; |
1114 | } |
1115 | |
1116 | sftp_register(req = fxp_close_send(dirh)); |
1117 | rreq = sftp_find_request(pktin = sftp_recv()); |
1118 | assert(rreq == req); |
1119 | fxp_close_recv(pktin, rreq); |
1120 | |
1121 | sfree(pwd); |
1122 | pwd = dir; |
1123 | printf("Remote directory is now %s\n", pwd); |
1124 | |
1125 | return 1; |
1126 | } |
1127 | |
1128 | /* |
1129 | * Print current directory. Easy as pie. |
1130 | */ |
1131 | int sftp_cmd_pwd(struct sftp_command *cmd) |
1132 | { |
1133 | if (back == NULL) { |
1134 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1135 | return 0; |
1136 | } |
1137 | |
1138 | printf("Remote directory is %s\n", pwd); |
1139 | return 1; |
1140 | } |
1141 | |
1142 | /* |
9c77ddf6 |
1143 | * Get a file and save it at the local end. We have three very |
1144 | * similar commands here. The basic one is `get'; `reget' differs |
1145 | * in that it checks for the existence of the destination file and |
1146 | * starts from where a previous aborted transfer left off; `mget' |
1147 | * differs in that it interprets all its arguments as files to |
1148 | * transfer (never as a different local name for a remote file) and |
1149 | * can handle wildcards. |
93e86a8b |
1150 | */ |
9c77ddf6 |
1151 | int sftp_general_get(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1152 | { |
5079ee6d |
1153 | char *fname, *unwcfname, *origfname, *origwfname, *outfname; |
93e86a8b |
1154 | int i, ret; |
1155 | int recurse = FALSE; |
1156 | |
1157 | if (back == NULL) { |
1158 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1159 | return 0; |
1160 | } |
1161 | |
1162 | i = 1; |
1163 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1164 | if (!strcmp(cmd->words[i], "--")) { |
1165 | /* finish processing options */ |
1166 | i++; |
1167 | break; |
1168 | } else if (!strcmp(cmd->words[i], "-r")) { |
1169 | recurse = TRUE; |
1170 | } else { |
9033711a |
1171 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1172 | return 0; |
1173 | } |
1174 | i++; |
1175 | } |
1176 | |
1177 | if (i >= cmd->nwords) { |
9033711a |
1178 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1179 | return 0; |
1180 | } |
1181 | |
5079ee6d |
1182 | ret = 1; |
9c77ddf6 |
1183 | do { |
5079ee6d |
1184 | SftpWildcardMatcher *swcm; |
1185 | |
9c77ddf6 |
1186 | origfname = cmd->words[i++]; |
5079ee6d |
1187 | unwcfname = snewn(strlen(origfname)+1, char); |
93e86a8b |
1188 | |
5079ee6d |
1189 | if (multiple && !wc_unescape(unwcfname, origfname)) { |
1190 | swcm = sftp_begin_wildcard_matching(origfname); |
1191 | if (!swcm) { |
1192 | sfree(unwcfname); |
1193 | continue; |
1194 | } |
1195 | origwfname = sftp_wildcard_get_filename(swcm); |
1196 | if (!origwfname) { |
1197 | /* Politely warn the user that nothing matched. */ |
1198 | printf("%s: nothing matched\n", origfname); |
1199 | sftp_finish_wildcard_matching(swcm); |
1200 | sfree(unwcfname); |
1201 | continue; |
1202 | } |
9c77ddf6 |
1203 | } else { |
5079ee6d |
1204 | origwfname = origfname; |
1205 | swcm = NULL; |
1206 | } |
1207 | |
1208 | while (origwfname) { |
1209 | fname = canonify(origwfname); |
1210 | |
9c77ddf6 |
1211 | if (!fname) { |
5079ee6d |
1212 | printf("%s: %s\n", origwfname, fxp_error()); |
9c77ddf6 |
1213 | sfree(unwcfname); |
1214 | return 0; |
1215 | } |
93e86a8b |
1216 | |
9c77ddf6 |
1217 | if (!multiple && i < cmd->nwords) |
1218 | outfname = cmd->words[i++]; |
1219 | else |
5079ee6d |
1220 | outfname = stripslashes(origwfname, 0); |
93e86a8b |
1221 | |
5079ee6d |
1222 | ret = sftp_get_file(fname, outfname, recurse, restart); |
9c77ddf6 |
1223 | |
1224 | sfree(fname); |
5079ee6d |
1225 | |
1226 | if (swcm) { |
1227 | sfree(origwfname); |
1228 | origwfname = sftp_wildcard_get_filename(swcm); |
1229 | } else { |
1230 | origwfname = NULL; |
1231 | } |
9c77ddf6 |
1232 | } |
1233 | sfree(unwcfname); |
5079ee6d |
1234 | if (swcm) |
1235 | sftp_finish_wildcard_matching(swcm); |
9c77ddf6 |
1236 | if (!ret) |
1237 | return ret; |
1238 | |
1239 | } while (multiple && i < cmd->nwords); |
93e86a8b |
1240 | |
1241 | return ret; |
1242 | } |
1243 | int sftp_cmd_get(struct sftp_command *cmd) |
1244 | { |
9c77ddf6 |
1245 | return sftp_general_get(cmd, 0, 0); |
1246 | } |
1247 | int sftp_cmd_mget(struct sftp_command *cmd) |
1248 | { |
1249 | return sftp_general_get(cmd, 0, 1); |
93e86a8b |
1250 | } |
1251 | int sftp_cmd_reget(struct sftp_command *cmd) |
1252 | { |
9c77ddf6 |
1253 | return sftp_general_get(cmd, 1, 0); |
93e86a8b |
1254 | } |
1255 | |
1256 | /* |
9c77ddf6 |
1257 | * Send a file and store it at the remote end. We have three very |
1258 | * similar commands here. The basic one is `put'; `reput' differs |
1259 | * in that it checks for the existence of the destination file and |
1260 | * starts from where a previous aborted transfer left off; `mput' |
1261 | * differs in that it interprets all its arguments as files to |
1262 | * transfer (never as a different remote name for a local file) and |
1263 | * can handle wildcards. |
93e86a8b |
1264 | */ |
9c77ddf6 |
1265 | int sftp_general_put(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1266 | { |
5079ee6d |
1267 | char *fname, *wfname, *origoutfname, *outfname; |
93e86a8b |
1268 | int i, ret; |
1269 | int recurse = FALSE; |
1270 | |
1271 | if (back == NULL) { |
1272 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1273 | return 0; |
1274 | } |
1275 | |
1276 | i = 1; |
1277 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1278 | if (!strcmp(cmd->words[i], "--")) { |
1279 | /* finish processing options */ |
1280 | i++; |
1281 | break; |
1282 | } else if (!strcmp(cmd->words[i], "-r")) { |
1283 | recurse = TRUE; |
1284 | } else { |
9033711a |
1285 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1286 | return 0; |
1287 | } |
1288 | i++; |
1289 | } |
1290 | |
1291 | if (i >= cmd->nwords) { |
9033711a |
1292 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1293 | return 0; |
1294 | } |
1295 | |
5079ee6d |
1296 | ret = 1; |
9c77ddf6 |
1297 | do { |
5079ee6d |
1298 | WildcardMatcher *wcm; |
9c77ddf6 |
1299 | fname = cmd->words[i++]; |
93e86a8b |
1300 | |
9c77ddf6 |
1301 | if (multiple && test_wildcard(fname, FALSE) == WCTYPE_WILDCARD) { |
5079ee6d |
1302 | wcm = begin_wildcard_matching(fname); |
1303 | wfname = wildcard_get_filename(wcm); |
1304 | if (!wfname) { |
1305 | /* Politely warn the user that nothing matched. */ |
1306 | printf("%s: nothing matched\n", fname); |
1307 | finish_wildcard_matching(wcm); |
1308 | continue; |
1309 | } |
9c77ddf6 |
1310 | } else { |
5079ee6d |
1311 | wfname = fname; |
1312 | wcm = NULL; |
1313 | } |
1314 | |
1315 | while (wfname) { |
9c77ddf6 |
1316 | if (!multiple && i < cmd->nwords) |
1317 | origoutfname = cmd->words[i++]; |
1318 | else |
5079ee6d |
1319 | origoutfname = stripslashes(wfname, 1); |
9c77ddf6 |
1320 | |
1321 | outfname = canonify(origoutfname); |
1322 | if (!outfname) { |
1323 | printf("%s: %s\n", origoutfname, fxp_error()); |
5079ee6d |
1324 | if (wcm) { |
1325 | sfree(wfname); |
1326 | finish_wildcard_matching(wcm); |
1327 | } |
9c77ddf6 |
1328 | return 0; |
1329 | } |
5079ee6d |
1330 | ret = sftp_put_file(wfname, outfname, recurse, restart); |
9c77ddf6 |
1331 | sfree(outfname); |
5079ee6d |
1332 | |
1333 | if (wcm) { |
1334 | sfree(wfname); |
1335 | wfname = wildcard_get_filename(wcm); |
1336 | } else { |
1337 | wfname = NULL; |
1338 | } |
9c77ddf6 |
1339 | } |
5079ee6d |
1340 | |
1341 | if (wcm) |
1342 | finish_wildcard_matching(wcm); |
1343 | |
9c77ddf6 |
1344 | if (!ret) |
1345 | return ret; |
93e86a8b |
1346 | |
9c77ddf6 |
1347 | } while (multiple && i < cmd->nwords); |
4c7f0d61 |
1348 | |
df49ff19 |
1349 | return ret; |
4c7f0d61 |
1350 | } |
d92624dc |
1351 | int sftp_cmd_put(struct sftp_command *cmd) |
1352 | { |
9c77ddf6 |
1353 | return sftp_general_put(cmd, 0, 0); |
1354 | } |
1355 | int sftp_cmd_mput(struct sftp_command *cmd) |
1356 | { |
1357 | return sftp_general_put(cmd, 0, 1); |
d92624dc |
1358 | } |
1359 | int sftp_cmd_reput(struct sftp_command *cmd) |
1360 | { |
9c77ddf6 |
1361 | return sftp_general_put(cmd, 1, 0); |
d92624dc |
1362 | } |
4c7f0d61 |
1363 | |
9954aaa3 |
1364 | int sftp_cmd_mkdir(struct sftp_command *cmd) |
1365 | { |
1366 | char *dir; |
1bc24185 |
1367 | struct sftp_packet *pktin; |
1368 | struct sftp_request *req, *rreq; |
9954aaa3 |
1369 | int result; |
83567e43 |
1370 | int i, ret; |
9954aaa3 |
1371 | |
fa3db767 |
1372 | if (back == NULL) { |
1373 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1374 | return 0; |
1375 | } |
9954aaa3 |
1376 | |
1377 | if (cmd->nwords < 2) { |
1378 | printf("mkdir: expects a directory\n"); |
1379 | return 0; |
1380 | } |
1381 | |
83567e43 |
1382 | ret = 1; |
1383 | for (i = 1; i < cmd->nwords; i++) { |
1384 | dir = canonify(cmd->words[i]); |
1385 | if (!dir) { |
1386 | printf("%s: %s\n", dir, fxp_error()); |
1387 | return 0; |
1388 | } |
1389 | |
1390 | sftp_register(req = fxp_mkdir_send(dir)); |
1391 | rreq = sftp_find_request(pktin = sftp_recv()); |
1392 | assert(rreq == req); |
1393 | result = fxp_mkdir_recv(pktin, rreq); |
1394 | |
1395 | if (!result) { |
1396 | printf("mkdir %s: %s\n", dir, fxp_error()); |
1397 | sfree(dir); |
1398 | ret = 0; |
f68363d2 |
1399 | } else |
1400 | printf("mkdir %s: OK\n", dir); |
83567e43 |
1401 | |
1402 | sfree(dir); |
9954aaa3 |
1403 | } |
1404 | |
83567e43 |
1405 | return ret; |
1406 | } |
1407 | |
1408 | static int sftp_action_rmdir(void *vctx, char *dir) |
1409 | { |
1410 | struct sftp_packet *pktin; |
1411 | struct sftp_request *req, *rreq; |
1412 | int result; |
1413 | |
1414 | sftp_register(req = fxp_rmdir_send(dir)); |
1bc24185 |
1415 | rreq = sftp_find_request(pktin = sftp_recv()); |
1416 | assert(rreq == req); |
83567e43 |
1417 | result = fxp_rmdir_recv(pktin, rreq); |
1bc24185 |
1418 | |
9954aaa3 |
1419 | if (!result) { |
83567e43 |
1420 | printf("rmdir %s: %s\n", dir, fxp_error()); |
9954aaa3 |
1421 | return 0; |
1422 | } |
1423 | |
f68363d2 |
1424 | printf("rmdir %s: OK\n", dir); |
1425 | |
df49ff19 |
1426 | return 1; |
9954aaa3 |
1427 | } |
1428 | |
1429 | int sftp_cmd_rmdir(struct sftp_command *cmd) |
1430 | { |
83567e43 |
1431 | int i, ret; |
9954aaa3 |
1432 | |
fa3db767 |
1433 | if (back == NULL) { |
1434 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1435 | return 0; |
1436 | } |
9954aaa3 |
1437 | |
1438 | if (cmd->nwords < 2) { |
1439 | printf("rmdir: expects a directory\n"); |
1440 | return 0; |
1441 | } |
1442 | |
83567e43 |
1443 | ret = 1; |
1444 | for (i = 1; i < cmd->nwords; i++) |
1445 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rmdir, NULL); |
9954aaa3 |
1446 | |
83567e43 |
1447 | return ret; |
1448 | } |
1449 | |
1450 | static int sftp_action_rm(void *vctx, char *fname) |
1451 | { |
1452 | struct sftp_packet *pktin; |
1453 | struct sftp_request *req, *rreq; |
1454 | int result; |
1455 | |
1456 | sftp_register(req = fxp_remove_send(fname)); |
1bc24185 |
1457 | rreq = sftp_find_request(pktin = sftp_recv()); |
1458 | assert(rreq == req); |
83567e43 |
1459 | result = fxp_remove_recv(pktin, rreq); |
1bc24185 |
1460 | |
9954aaa3 |
1461 | if (!result) { |
83567e43 |
1462 | printf("rm %s: %s\n", fname, fxp_error()); |
9954aaa3 |
1463 | return 0; |
1464 | } |
1465 | |
f68363d2 |
1466 | printf("rm %s: OK\n", fname); |
1467 | |
df49ff19 |
1468 | return 1; |
9954aaa3 |
1469 | } |
1470 | |
1471 | int sftp_cmd_rm(struct sftp_command *cmd) |
1472 | { |
83567e43 |
1473 | int i, ret; |
9954aaa3 |
1474 | |
fa3db767 |
1475 | if (back == NULL) { |
1476 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1477 | return 0; |
1478 | } |
1479 | |
9954aaa3 |
1480 | if (cmd->nwords < 2) { |
1481 | printf("rm: expects a filename\n"); |
1482 | return 0; |
1483 | } |
1484 | |
83567e43 |
1485 | ret = 1; |
1486 | for (i = 1; i < cmd->nwords; i++) |
1487 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rm, NULL); |
1488 | |
1489 | return ret; |
1490 | } |
1491 | |
1492 | static int check_is_dir(char *dstfname) |
1493 | { |
1494 | struct sftp_packet *pktin; |
1495 | struct sftp_request *req, *rreq; |
1496 | struct fxp_attrs attrs; |
1497 | int result; |
1498 | |
1499 | sftp_register(req = fxp_stat_send(dstfname)); |
1500 | rreq = sftp_find_request(pktin = sftp_recv()); |
1501 | assert(rreq == req); |
1502 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1503 | |
1504 | if (result && |
1505 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
1506 | (attrs.permissions & 0040000)) |
1507 | return TRUE; |
1508 | else |
1509 | return FALSE; |
1510 | } |
1511 | |
1512 | struct sftp_context_mv { |
1513 | char *dstfname; |
1514 | int dest_is_dir; |
1515 | }; |
1516 | |
1517 | static int sftp_action_mv(void *vctx, char *srcfname) |
1518 | { |
1519 | struct sftp_context_mv *ctx = (struct sftp_context_mv *)vctx; |
1520 | struct sftp_packet *pktin; |
1521 | struct sftp_request *req, *rreq; |
1522 | const char *error; |
1523 | char *finalfname, *newcanon = NULL; |
1524 | int ret, result; |
1525 | |
1526 | if (ctx->dest_is_dir) { |
1527 | char *p; |
1528 | char *newname; |
1529 | |
1530 | p = srcfname + strlen(srcfname); |
1531 | while (p > srcfname && p[-1] != '/') p--; |
1532 | newname = dupcat(ctx->dstfname, "/", p, NULL); |
1533 | newcanon = canonify(newname); |
1534 | if (!newcanon) { |
1535 | printf("%s: %s\n", newname, fxp_error()); |
1536 | sfree(newname); |
1537 | return 0; |
1538 | } |
1539 | sfree(newname); |
1540 | |
1541 | finalfname = newcanon; |
1542 | } else { |
1543 | finalfname = ctx->dstfname; |
9954aaa3 |
1544 | } |
1545 | |
83567e43 |
1546 | sftp_register(req = fxp_rename_send(srcfname, finalfname)); |
1bc24185 |
1547 | rreq = sftp_find_request(pktin = sftp_recv()); |
1548 | assert(rreq == req); |
83567e43 |
1549 | result = fxp_rename_recv(pktin, rreq); |
1bc24185 |
1550 | |
83567e43 |
1551 | error = result ? NULL : fxp_error(); |
1552 | |
1553 | if (error) { |
1554 | printf("mv %s %s: %s\n", srcfname, finalfname, error); |
1555 | ret = 0; |
1556 | } else { |
1557 | printf("%s -> %s\n", srcfname, finalfname); |
1558 | ret = 1; |
9954aaa3 |
1559 | } |
1560 | |
83567e43 |
1561 | sfree(newcanon); |
1562 | return ret; |
d92624dc |
1563 | } |
1564 | |
1565 | int sftp_cmd_mv(struct sftp_command *cmd) |
1566 | { |
83567e43 |
1567 | struct sftp_context_mv actx, *ctx = &actx; |
1568 | int i, ret; |
d92624dc |
1569 | |
fa3db767 |
1570 | if (back == NULL) { |
1571 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1572 | return 0; |
1573 | } |
1574 | |
d92624dc |
1575 | if (cmd->nwords < 3) { |
1576 | printf("mv: expects two filenames\n"); |
9954aaa3 |
1577 | return 0; |
d92624dc |
1578 | } |
83567e43 |
1579 | |
1580 | ctx->dstfname = canonify(cmd->words[cmd->nwords-1]); |
1581 | if (!ctx->dstfname) { |
1582 | printf("%s: %s\n", ctx->dstfname, fxp_error()); |
d92624dc |
1583 | return 0; |
1584 | } |
1585 | |
83567e43 |
1586 | /* |
1587 | * If there's more than one source argument, or one source |
1588 | * argument which is a wildcard, we _require_ that the |
1589 | * destination is a directory. |
1590 | */ |
1591 | ctx->dest_is_dir = check_is_dir(ctx->dstfname); |
1592 | if ((cmd->nwords > 3 || is_wildcard(cmd->words[1])) && !ctx->dest_is_dir) { |
1593 | printf("mv: multiple or wildcard arguments require the destination" |
1594 | " to be a directory\n"); |
c4acc08c |
1595 | sfree(ctx->dstfname); |
d92624dc |
1596 | return 0; |
1597 | } |
9954aaa3 |
1598 | |
83567e43 |
1599 | /* |
1600 | * Now iterate over the source arguments. |
1601 | */ |
1602 | ret = 1; |
1603 | for (i = 1; i < cmd->nwords-1; i++) |
1604 | ret &= wildcard_iterate(cmd->words[i], sftp_action_mv, ctx); |
1605 | |
c4acc08c |
1606 | sfree(ctx->dstfname); |
83567e43 |
1607 | return ret; |
1608 | } |
1609 | |
1610 | struct sftp_context_chmod { |
1611 | unsigned attrs_clr, attrs_xor; |
1612 | }; |
1613 | |
1614 | static int sftp_action_chmod(void *vctx, char *fname) |
1615 | { |
1616 | struct fxp_attrs attrs; |
1617 | struct sftp_packet *pktin; |
1618 | struct sftp_request *req, *rreq; |
1619 | int result; |
1620 | unsigned oldperms, newperms; |
1621 | struct sftp_context_chmod *ctx = (struct sftp_context_chmod *)vctx; |
1622 | |
1623 | sftp_register(req = fxp_stat_send(fname)); |
1bc24185 |
1624 | rreq = sftp_find_request(pktin = sftp_recv()); |
1625 | assert(rreq == req); |
83567e43 |
1626 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1bc24185 |
1627 | |
83567e43 |
1628 | if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) { |
1629 | printf("get attrs for %s: %s\n", fname, |
1630 | result ? "file permissions not provided" : fxp_error()); |
83567e43 |
1631 | return 0; |
1632 | } |
d92624dc |
1633 | |
83567e43 |
1634 | attrs.flags = SSH_FILEXFER_ATTR_PERMISSIONS; /* perms _only_ */ |
1635 | oldperms = attrs.permissions & 07777; |
1636 | attrs.permissions &= ~ctx->attrs_clr; |
1637 | attrs.permissions ^= ctx->attrs_xor; |
1638 | newperms = attrs.permissions & 07777; |
1bc24185 |
1639 | |
83567e43 |
1640 | if (oldperms == newperms) |
1641 | return 1; /* no need to do anything! */ |
1bc24185 |
1642 | |
83567e43 |
1643 | sftp_register(req = fxp_setstat_send(fname, attrs)); |
1644 | rreq = sftp_find_request(pktin = sftp_recv()); |
1645 | assert(rreq == req); |
1646 | result = fxp_setstat_recv(pktin, rreq); |
1bc24185 |
1647 | |
83567e43 |
1648 | if (!result) { |
1649 | printf("set attrs for %s: %s\n", fname, fxp_error()); |
83567e43 |
1650 | return 0; |
d92624dc |
1651 | } |
d92624dc |
1652 | |
83567e43 |
1653 | printf("%s: %04o -> %04o\n", fname, oldperms, newperms); |
1654 | |
df49ff19 |
1655 | return 1; |
9954aaa3 |
1656 | } |
1657 | |
d92624dc |
1658 | int sftp_cmd_chmod(struct sftp_command *cmd) |
1659 | { |
83567e43 |
1660 | char *mode; |
1661 | int i, ret; |
1662 | struct sftp_context_chmod actx, *ctx = &actx; |
d92624dc |
1663 | |
fa3db767 |
1664 | if (back == NULL) { |
1665 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
1666 | return 0; |
1667 | } |
1668 | |
d92624dc |
1669 | if (cmd->nwords < 3) { |
1670 | printf("chmod: expects a mode specifier and a filename\n"); |
1671 | return 0; |
1672 | } |
1673 | |
1674 | /* |
1675 | * Attempt to parse the mode specifier in cmd->words[1]. We |
1676 | * don't support the full horror of Unix chmod; instead we |
1677 | * support a much simpler syntax in which the user can either |
1678 | * specify an octal number, or a comma-separated sequence of |
1679 | * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may |
1680 | * _only_ be omitted if the only attribute mentioned is t, |
1681 | * since all others require a user/group/other specification. |
1682 | * Additionally, the s attribute may not be specified for any |
1683 | * [ugoa] specifications other than exactly u or exactly g. |
1684 | */ |
83567e43 |
1685 | ctx->attrs_clr = ctx->attrs_xor = 0; |
d92624dc |
1686 | mode = cmd->words[1]; |
1687 | if (mode[0] >= '0' && mode[0] <= '9') { |
1688 | if (mode[strspn(mode, "01234567")]) { |
1689 | printf("chmod: numeric file modes should" |
1690 | " contain digits 0-7 only\n"); |
1691 | return 0; |
1692 | } |
83567e43 |
1693 | ctx->attrs_clr = 07777; |
1694 | sscanf(mode, "%o", &ctx->attrs_xor); |
1695 | ctx->attrs_xor &= ctx->attrs_clr; |
d92624dc |
1696 | } else { |
1697 | while (*mode) { |
1698 | char *modebegin = mode; |
1699 | unsigned subset, perms; |
1700 | int action; |
1701 | |
1702 | subset = 0; |
1703 | while (*mode && *mode != ',' && |
1704 | *mode != '+' && *mode != '-' && *mode != '=') { |
1705 | switch (*mode) { |
1706 | case 'u': subset |= 04700; break; /* setuid, user perms */ |
1707 | case 'g': subset |= 02070; break; /* setgid, group perms */ |
1708 | case 'o': subset |= 00007; break; /* just other perms */ |
1709 | case 'a': subset |= 06777; break; /* all of the above */ |
1710 | default: |
1711 | printf("chmod: file mode '%.*s' contains unrecognised" |
1712 | " user/group/other specifier '%c'\n", |
b51259f6 |
1713 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1714 | return 0; |
1715 | } |
1716 | mode++; |
1717 | } |
1718 | if (!*mode || *mode == ',') { |
1719 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1720 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1721 | return 0; |
1722 | } |
1723 | action = *mode++; |
1724 | if (!*mode || *mode == ',') { |
1725 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1726 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1727 | return 0; |
1728 | } |
1729 | perms = 0; |
1730 | while (*mode && *mode != ',') { |
1731 | switch (*mode) { |
1732 | case 'r': perms |= 00444; break; |
1733 | case 'w': perms |= 00222; break; |
1734 | case 'x': perms |= 00111; break; |
1735 | case 't': perms |= 01000; subset |= 01000; break; |
1736 | case 's': |
1737 | if ((subset & 06777) != 04700 && |
1738 | (subset & 06777) != 02070) { |
1739 | printf("chmod: file mode '%.*s': set[ug]id bit should" |
1740 | " be used with exactly one of u or g only\n", |
b51259f6 |
1741 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1742 | return 0; |
1743 | } |
1744 | perms |= 06000; |
1745 | break; |
1746 | default: |
1747 | printf("chmod: file mode '%.*s' contains unrecognised" |
1748 | " permission specifier '%c'\n", |
b51259f6 |
1749 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1750 | return 0; |
1751 | } |
1752 | mode++; |
1753 | } |
1754 | if (!(subset & 06777) && (perms &~ subset)) { |
1755 | printf("chmod: file mode '%.*s' contains no user/group/other" |
1756 | " specifier and permissions other than 't' \n", |
b51259f6 |
1757 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1758 | return 0; |
1759 | } |
1760 | perms &= subset; |
1761 | switch (action) { |
1762 | case '+': |
83567e43 |
1763 | ctx->attrs_clr |= perms; |
1764 | ctx->attrs_xor |= perms; |
d92624dc |
1765 | break; |
1766 | case '-': |
83567e43 |
1767 | ctx->attrs_clr |= perms; |
1768 | ctx->attrs_xor &= ~perms; |
d92624dc |
1769 | break; |
1770 | case '=': |
83567e43 |
1771 | ctx->attrs_clr |= subset; |
1772 | ctx->attrs_xor |= perms; |
d92624dc |
1773 | break; |
1774 | } |
1775 | if (*mode) mode++; /* eat comma */ |
1776 | } |
1777 | } |
1778 | |
83567e43 |
1779 | ret = 1; |
1780 | for (i = 2; i < cmd->nwords; i++) |
1781 | ret &= wildcard_iterate(cmd->words[i], sftp_action_chmod, ctx); |
d92624dc |
1782 | |
83567e43 |
1783 | return ret; |
d92624dc |
1784 | } |
9954aaa3 |
1785 | |
fa3db767 |
1786 | static int sftp_cmd_open(struct sftp_command *cmd) |
1787 | { |
f11233cb |
1788 | int portnumber; |
1789 | |
fa3db767 |
1790 | if (back != NULL) { |
1791 | printf("psftp: already connected\n"); |
1792 | return 0; |
1793 | } |
1794 | |
1795 | if (cmd->nwords < 2) { |
1796 | printf("open: expects a host name\n"); |
1797 | return 0; |
1798 | } |
1799 | |
f11233cb |
1800 | if (cmd->nwords > 2) { |
1801 | portnumber = atoi(cmd->words[2]); |
1802 | if (portnumber == 0) { |
1803 | printf("open: invalid port number\n"); |
1804 | return 0; |
1805 | } |
1806 | } else |
1807 | portnumber = 0; |
1808 | |
1809 | if (psftp_connect(cmd->words[1], NULL, portnumber)) { |
fa3db767 |
1810 | back = NULL; /* connection is already closed */ |
1811 | return -1; /* this is fatal */ |
1812 | } |
1813 | do_sftp_init(); |
df49ff19 |
1814 | return 1; |
fa3db767 |
1815 | } |
1816 | |
3af97463 |
1817 | static int sftp_cmd_lcd(struct sftp_command *cmd) |
1818 | { |
d6cc41e6 |
1819 | char *currdir, *errmsg; |
3af97463 |
1820 | |
1821 | if (cmd->nwords < 2) { |
1822 | printf("lcd: expects a local directory name\n"); |
1823 | return 0; |
1824 | } |
1825 | |
d6cc41e6 |
1826 | errmsg = psftp_lcd(cmd->words[1]); |
1827 | if (errmsg) { |
1828 | printf("lcd: unable to change directory: %s\n", errmsg); |
1829 | sfree(errmsg); |
3af97463 |
1830 | return 0; |
1831 | } |
1832 | |
d6cc41e6 |
1833 | currdir = psftp_getcwd(); |
3af97463 |
1834 | printf("New local directory is %s\n", currdir); |
1835 | sfree(currdir); |
1836 | |
1837 | return 1; |
1838 | } |
1839 | |
1840 | static int sftp_cmd_lpwd(struct sftp_command *cmd) |
1841 | { |
1842 | char *currdir; |
3af97463 |
1843 | |
d6cc41e6 |
1844 | currdir = psftp_getcwd(); |
3af97463 |
1845 | printf("Current local directory is %s\n", currdir); |
1846 | sfree(currdir); |
1847 | |
1848 | return 1; |
1849 | } |
1850 | |
1851 | static int sftp_cmd_pling(struct sftp_command *cmd) |
1852 | { |
1853 | int exitcode; |
1854 | |
1855 | exitcode = system(cmd->words[1]); |
1856 | return (exitcode == 0); |
1857 | } |
1858 | |
bf5240cd |
1859 | static int sftp_cmd_help(struct sftp_command *cmd); |
1860 | |
4c7f0d61 |
1861 | static struct sftp_cmd_lookup { |
1862 | char *name; |
bf5240cd |
1863 | /* |
1864 | * For help purposes, there are two kinds of command: |
1865 | * |
1866 | * - primary commands, in which `longhelp' is non-NULL. In |
1867 | * this case `shorthelp' is descriptive text, and `longhelp' |
1868 | * is longer descriptive text intended to be printed after |
1869 | * the command name. |
1870 | * |
1871 | * - alias commands, in which `longhelp' is NULL. In this case |
1872 | * `shorthelp' is the name of a primary command, which |
1873 | * contains the help that should double up for this command. |
1874 | */ |
3af97463 |
1875 | int listed; /* do we list this in primary help? */ |
bf5240cd |
1876 | char *shorthelp; |
1877 | char *longhelp; |
32874aea |
1878 | int (*obey) (struct sftp_command *); |
4c7f0d61 |
1879 | } sftp_lookup[] = { |
1880 | /* |
1881 | * List of sftp commands. This is binary-searched so it MUST be |
1882 | * in ASCII order. |
1883 | */ |
32874aea |
1884 | { |
d6cc41e6 |
1885 | "!", TRUE, "run a local command", |
3af97463 |
1886 | "<command>\n" |
d6cc41e6 |
1887 | /* FIXME: this example is crap for non-Windows. */ |
1888 | " Runs a local command. For example, \"!del myfile\".\n", |
3af97463 |
1889 | sftp_cmd_pling |
1890 | }, |
1891 | { |
1892 | "bye", TRUE, "finish your SFTP session", |
bf5240cd |
1893 | "\n" |
1894 | " Terminates your SFTP session and quits the PSFTP program.\n", |
1895 | sftp_cmd_quit |
1896 | }, |
1897 | { |
3af97463 |
1898 | "cd", TRUE, "change your remote working directory", |
c1b8799b |
1899 | " [ <new working directory> ]\n" |
bf5240cd |
1900 | " Change the remote working directory for your SFTP session.\n" |
1901 | " If a new working directory is not supplied, you will be\n" |
1902 | " returned to your home directory.\n", |
1903 | sftp_cmd_cd |
1904 | }, |
1905 | { |
3af97463 |
1906 | "chmod", TRUE, "change file permissions and modes", |
c1b8799b |
1907 | " <modes> <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1908 | " Change the file permissions on one or more remote files or\n" |
1909 | " directories.\n" |
1910 | " <modes> can be any octal Unix permission specifier.\n" |
1911 | " Alternatively, <modes> can include the following modifiers:\n" |
bf5240cd |
1912 | " u+r make file readable by owning user\n" |
1913 | " u+w make file writable by owning user\n" |
1914 | " u+x make file executable by owning user\n" |
1915 | " u-r make file not readable by owning user\n" |
1916 | " [also u-w, u-x]\n" |
1917 | " g+r make file readable by members of owning group\n" |
1918 | " [also g+w, g+x, g-r, g-w, g-x]\n" |
1919 | " o+r make file readable by all other users\n" |
1920 | " [also o+w, o+x, o-r, o-w, o-x]\n" |
1921 | " a+r make file readable by absolutely everybody\n" |
1922 | " [also a+w, a+x, a-r, a-w, a-x]\n" |
1923 | " u+s enable the Unix set-user-ID bit\n" |
1924 | " u-s disable the Unix set-user-ID bit\n" |
1925 | " g+s enable the Unix set-group-ID bit\n" |
1926 | " g-s disable the Unix set-group-ID bit\n" |
1927 | " +t enable the Unix \"sticky bit\"\n" |
1928 | " You can give more than one modifier for the same user (\"g-rwx\"), and\n" |
1929 | " more than one user for the same modifier (\"ug+w\"). You can\n" |
1930 | " use commas to separate different modifiers (\"u+rwx,g+s\").\n", |
1931 | sftp_cmd_chmod |
1932 | }, |
1933 | { |
b614ce89 |
1934 | "close", TRUE, "finish your SFTP session but do not quit PSFTP", |
1935 | "\n" |
1936 | " Terminates your SFTP session, but does not quit the PSFTP\n" |
1937 | " program. You can then use \"open\" to start another SFTP\n" |
1938 | " session, to the same server or to a different one.\n", |
1939 | sftp_cmd_close |
1940 | }, |
1941 | { |
c1b8799b |
1942 | "del", TRUE, "delete files on the remote server", |
1943 | " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1944 | " Delete a file or files from the server.\n", |
bf5240cd |
1945 | sftp_cmd_rm |
1946 | }, |
1947 | { |
3af97463 |
1948 | "delete", FALSE, "del", NULL, sftp_cmd_rm |
bf5240cd |
1949 | }, |
1950 | { |
c1b8799b |
1951 | "dir", TRUE, "list remote files", |
9033711a |
1952 | " [ <directory-name> ]/[ <wildcard> ]\n" |
bf5240cd |
1953 | " List the contents of a specified directory on the server.\n" |
1954 | " If <directory-name> is not given, the current working directory\n" |
9033711a |
1955 | " is assumed.\n" |
1956 | " If <wildcard> is given, it is treated as a set of files to\n" |
1957 | " list; otherwise, all files are listed.\n", |
bf5240cd |
1958 | sftp_cmd_ls |
1959 | }, |
1960 | { |
3af97463 |
1961 | "exit", TRUE, "bye", NULL, sftp_cmd_quit |
bf5240cd |
1962 | }, |
1963 | { |
3af97463 |
1964 | "get", TRUE, "download a file from the server to your local machine", |
9033711a |
1965 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
1966 | " Downloads a file on the server and stores it locally under\n" |
1967 | " the same name, or under a different one if you supply the\n" |
9033711a |
1968 | " argument <local-filename>.\n" |
1969 | " If -r specified, recursively fetch a directory.\n", |
bf5240cd |
1970 | sftp_cmd_get |
1971 | }, |
1972 | { |
3af97463 |
1973 | "help", TRUE, "give help", |
bf5240cd |
1974 | " [ <command> [ <command> ... ] ]\n" |
1975 | " Give general help if no commands are specified.\n" |
1976 | " If one or more commands are specified, give specific help on\n" |
1977 | " those particular commands.\n", |
1978 | sftp_cmd_help |
1979 | }, |
1980 | { |
3af97463 |
1981 | "lcd", TRUE, "change local working directory", |
1982 | " <local-directory-name>\n" |
1983 | " Change the local working directory of the PSFTP program (the\n" |
1984 | " default location where the \"get\" command will save files).\n", |
1985 | sftp_cmd_lcd |
1986 | }, |
1987 | { |
1988 | "lpwd", TRUE, "print local working directory", |
1989 | "\n" |
1990 | " Print the local working directory of the PSFTP program (the\n" |
1991 | " default location where the \"get\" command will save files).\n", |
1992 | sftp_cmd_lpwd |
1993 | }, |
1994 | { |
1995 | "ls", TRUE, "dir", NULL, |
bf5240cd |
1996 | sftp_cmd_ls |
1997 | }, |
1998 | { |
9c77ddf6 |
1999 | "mget", TRUE, "download multiple files at once", |
9033711a |
2000 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2001 | " Downloads many files from the server, storing each one under\n" |
2002 | " the same name it has on the server side. You can use wildcards\n" |
9033711a |
2003 | " such as \"*.c\" to specify lots of files at once.\n" |
2004 | " If -r specified, recursively fetch files and directories.\n", |
9c77ddf6 |
2005 | sftp_cmd_mget |
2006 | }, |
2007 | { |
c1b8799b |
2008 | "mkdir", TRUE, "create directories on the remote server", |
2009 | " <directory-name> [ <directory-name>... ]\n" |
2010 | " Creates directories with the given names on the server.\n", |
bf5240cd |
2011 | sftp_cmd_mkdir |
2012 | }, |
2013 | { |
9c77ddf6 |
2014 | "mput", TRUE, "upload multiple files at once", |
96515f61 |
2015 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2016 | " Uploads many files to the server, storing each one under the\n" |
2017 | " same name it has on the client side. You can use wildcards\n" |
9033711a |
2018 | " such as \"*.c\" to specify lots of files at once.\n" |
2019 | " If -r specified, recursively store files and directories.\n", |
9c77ddf6 |
2020 | sftp_cmd_mput |
2021 | }, |
2022 | { |
c1b8799b |
2023 | "mv", TRUE, "move or rename file(s) on the remote server", |
2024 | " <source> [ <source>... ] <destination>\n" |
2025 | " Moves or renames <source>(s) on the server to <destination>,\n" |
2026 | " also on the server.\n" |
2027 | " If <destination> specifies an existing directory, then <source>\n" |
2028 | " may be a wildcard, and multiple <source>s may be given; all\n" |
2029 | " source files are moved into <destination>.\n" |
2030 | " Otherwise, <source> must specify a single file, which is moved\n" |
2031 | " or renamed so that it is accessible under the name <destination>.\n", |
bf5240cd |
2032 | sftp_cmd_mv |
2033 | }, |
2034 | { |
3af97463 |
2035 | "open", TRUE, "connect to a host", |
f11233cb |
2036 | " [<user>@]<hostname> [<port>]\n" |
fa3db767 |
2037 | " Establishes an SFTP connection to a given host. Only usable\n" |
c1b8799b |
2038 | " when you are not already connected to a server.\n", |
fa3db767 |
2039 | sftp_cmd_open |
2040 | }, |
2041 | { |
56542985 |
2042 | "put", TRUE, "upload a file from your local machine to the server", |
9033711a |
2043 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
56542985 |
2044 | " Uploads a file to the server and stores it there under\n" |
2045 | " the same name, or under a different one if you supply the\n" |
9033711a |
2046 | " argument <remote-filename>.\n" |
2047 | " If -r specified, recursively store a directory.\n", |
56542985 |
2048 | sftp_cmd_put |
2049 | }, |
2050 | { |
3af97463 |
2051 | "pwd", TRUE, "print your remote working directory", |
4f2b387f |
2052 | "\n" |
2053 | " Print the current remote working directory for your SFTP session.\n", |
2054 | sftp_cmd_pwd |
2055 | }, |
2056 | { |
3af97463 |
2057 | "quit", TRUE, "bye", NULL, |
bf5240cd |
2058 | sftp_cmd_quit |
2059 | }, |
2060 | { |
c1b8799b |
2061 | "reget", TRUE, "continue downloading files", |
9033711a |
2062 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
2063 | " Works exactly like the \"get\" command, but the local file\n" |
2064 | " must already exist. The download will begin at the end of the\n" |
9033711a |
2065 | " file. This is for resuming a download that was interrupted.\n" |
2066 | " If -r specified, resume interrupted \"get -r\".\n", |
bf5240cd |
2067 | sftp_cmd_reget |
2068 | }, |
2069 | { |
3af97463 |
2070 | "ren", TRUE, "mv", NULL, |
bf5240cd |
2071 | sftp_cmd_mv |
2072 | }, |
2073 | { |
3af97463 |
2074 | "rename", FALSE, "mv", NULL, |
bf5240cd |
2075 | sftp_cmd_mv |
2076 | }, |
2077 | { |
c1b8799b |
2078 | "reput", TRUE, "continue uploading files", |
9033711a |
2079 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
bf5240cd |
2080 | " Works exactly like the \"put\" command, but the remote file\n" |
2081 | " must already exist. The upload will begin at the end of the\n" |
9033711a |
2082 | " file. This is for resuming an upload that was interrupted.\n" |
2083 | " If -r specified, resume interrupted \"put -r\".\n", |
bf5240cd |
2084 | sftp_cmd_reput |
2085 | }, |
2086 | { |
3af97463 |
2087 | "rm", TRUE, "del", NULL, |
bf5240cd |
2088 | sftp_cmd_rm |
2089 | }, |
2090 | { |
c1b8799b |
2091 | "rmdir", TRUE, "remove directories on the remote server", |
2092 | " <directory-name> [ <directory-name>... ]\n" |
bf5240cd |
2093 | " Removes the directory with the given name on the server.\n" |
c1b8799b |
2094 | " The directory will not be removed unless it is empty.\n" |
2095 | " Wildcards may be used to specify multiple directories.\n", |
bf5240cd |
2096 | sftp_cmd_rmdir |
2097 | } |
2098 | }; |
2099 | |
2100 | const struct sftp_cmd_lookup *lookup_command(char *name) |
2101 | { |
2102 | int i, j, k, cmp; |
2103 | |
2104 | i = -1; |
2105 | j = sizeof(sftp_lookup) / sizeof(*sftp_lookup); |
2106 | while (j - i > 1) { |
2107 | k = (j + i) / 2; |
2108 | cmp = strcmp(name, sftp_lookup[k].name); |
2109 | if (cmp < 0) |
2110 | j = k; |
2111 | else if (cmp > 0) |
2112 | i = k; |
2113 | else { |
2114 | return &sftp_lookup[k]; |
2115 | } |
2116 | } |
2117 | return NULL; |
2118 | } |
2119 | |
2120 | static int sftp_cmd_help(struct sftp_command *cmd) |
2121 | { |
2122 | int i; |
2123 | if (cmd->nwords == 1) { |
2124 | /* |
2125 | * Give short help on each command. |
2126 | */ |
2127 | int maxlen; |
2128 | maxlen = 0; |
2129 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
3af97463 |
2130 | int len; |
2131 | if (!sftp_lookup[i].listed) |
2132 | continue; |
2133 | len = strlen(sftp_lookup[i].name); |
bf5240cd |
2134 | if (maxlen < len) |
2135 | maxlen = len; |
2136 | } |
2137 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
2138 | const struct sftp_cmd_lookup *lookup; |
3af97463 |
2139 | if (!sftp_lookup[i].listed) |
2140 | continue; |
bf5240cd |
2141 | lookup = &sftp_lookup[i]; |
2142 | printf("%-*s", maxlen+2, lookup->name); |
2143 | if (lookup->longhelp == NULL) |
2144 | lookup = lookup_command(lookup->shorthelp); |
2145 | printf("%s\n", lookup->shorthelp); |
2146 | } |
2147 | } else { |
2148 | /* |
2149 | * Give long help on specific commands. |
2150 | */ |
2151 | for (i = 1; i < cmd->nwords; i++) { |
2152 | const struct sftp_cmd_lookup *lookup; |
2153 | lookup = lookup_command(cmd->words[i]); |
2154 | if (!lookup) { |
2155 | printf("help: %s: command not found\n", cmd->words[i]); |
2156 | } else { |
2157 | printf("%s", lookup->name); |
2158 | if (lookup->longhelp == NULL) |
2159 | lookup = lookup_command(lookup->shorthelp); |
2160 | printf("%s", lookup->longhelp); |
2161 | } |
2162 | } |
2163 | } |
df49ff19 |
2164 | return 1; |
bf5240cd |
2165 | } |
4c7f0d61 |
2166 | |
2167 | /* ---------------------------------------------------------------------- |
2168 | * Command line reading and parsing. |
2169 | */ |
9954aaa3 |
2170 | struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags) |
32874aea |
2171 | { |
4c7f0d61 |
2172 | char *line; |
4c7f0d61 |
2173 | struct sftp_command *cmd; |
2174 | char *p, *q, *r; |
2175 | int quoting; |
2176 | |
3d88e64d |
2177 | cmd = snew(struct sftp_command); |
4c7f0d61 |
2178 | cmd->words = NULL; |
2179 | cmd->nwords = 0; |
2180 | cmd->wordssize = 0; |
2181 | |
2182 | line = NULL; |
39934deb |
2183 | |
2184 | if (fp) { |
2185 | if (modeflags & 1) |
2186 | printf("psftp> "); |
2187 | line = fgetline(fp); |
2188 | } else { |
65857773 |
2189 | line = ssh_sftp_get_cmdline("psftp> ", back == NULL); |
4c7f0d61 |
2190 | } |
39934deb |
2191 | |
2192 | if (!line || !*line) { |
2193 | cmd->obey = sftp_cmd_quit; |
2194 | if ((mode == 0) || (modeflags & 1)) |
2195 | printf("quit\n"); |
2196 | return cmd; /* eof */ |
2197 | } |
2198 | |
2199 | line[strcspn(line, "\r\n")] = '\0'; |
2200 | |
df49ff19 |
2201 | if (modeflags & 1) { |
2202 | printf("%s\n", line); |
2203 | } |
4c7f0d61 |
2204 | |
4c7f0d61 |
2205 | p = line; |
3af97463 |
2206 | while (*p && (*p == ' ' || *p == '\t')) |
2207 | p++; |
2208 | |
2209 | if (*p == '!') { |
2210 | /* |
2211 | * Special case: the ! command. This is always parsed as |
2212 | * exactly two words: one containing the !, and the second |
2213 | * containing everything else on the line. |
2214 | */ |
2215 | cmd->nwords = cmd->wordssize = 2; |
3d88e64d |
2216 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
679539d7 |
2217 | cmd->words[0] = dupstr("!"); |
2218 | cmd->words[1] = dupstr(p+1); |
3af97463 |
2219 | } else { |
2220 | |
2221 | /* |
2222 | * Parse the command line into words. The syntax is: |
2223 | * - double quotes are removed, but cause spaces within to be |
2224 | * treated as non-separating. |
2225 | * - a double-doublequote pair is a literal double quote, inside |
2226 | * _or_ outside quotes. Like this: |
2227 | * |
2228 | * firstword "second word" "this has ""quotes"" in" and""this"" |
2229 | * |
2230 | * becomes |
2231 | * |
2232 | * >firstword< |
2233 | * >second word< |
2234 | * >this has "quotes" in< |
2235 | * >and"this"< |
2236 | */ |
4c7f0d61 |
2237 | while (*p) { |
3af97463 |
2238 | /* skip whitespace */ |
2239 | while (*p && (*p == ' ' || *p == '\t')) |
2240 | p++; |
2241 | /* mark start of word */ |
2242 | q = r = p; /* q sits at start, r writes word */ |
2243 | quoting = 0; |
2244 | while (*p) { |
2245 | if (!quoting && (*p == ' ' || *p == '\t')) |
2246 | break; /* reached end of word */ |
2247 | else if (*p == '"' && p[1] == '"') |
2248 | p += 2, *r++ = '"'; /* a literal quote */ |
2249 | else if (*p == '"') |
2250 | p++, quoting = !quoting; |
2251 | else |
2252 | *r++ = *p++; |
2253 | } |
2254 | if (*p) |
2255 | p++; /* skip over the whitespace */ |
2256 | *r = '\0'; |
2257 | if (cmd->nwords >= cmd->wordssize) { |
2258 | cmd->wordssize = cmd->nwords + 16; |
3d88e64d |
2259 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
3af97463 |
2260 | } |
679539d7 |
2261 | cmd->words[cmd->nwords++] = dupstr(q); |
4c7f0d61 |
2262 | } |
4c7f0d61 |
2263 | } |
2264 | |
39934deb |
2265 | sfree(line); |
2266 | |
4c7f0d61 |
2267 | /* |
2268 | * Now parse the first word and assign a function. |
2269 | */ |
2270 | |
2271 | if (cmd->nwords == 0) |
2272 | cmd->obey = sftp_cmd_null; |
2273 | else { |
bf5240cd |
2274 | const struct sftp_cmd_lookup *lookup; |
2275 | lookup = lookup_command(cmd->words[0]); |
2276 | if (!lookup) |
2277 | cmd->obey = sftp_cmd_unknown; |
2278 | else |
2279 | cmd->obey = lookup->obey; |
4c7f0d61 |
2280 | } |
2281 | |
2282 | return cmd; |
2283 | } |
2284 | |
774204f5 |
2285 | static int do_sftp_init(void) |
32874aea |
2286 | { |
1bc24185 |
2287 | struct sftp_packet *pktin; |
2288 | struct sftp_request *req, *rreq; |
2289 | |
4c7f0d61 |
2290 | /* |
2291 | * Do protocol initialisation. |
2292 | */ |
2293 | if (!fxp_init()) { |
2294 | fprintf(stderr, |
32874aea |
2295 | "Fatal: unable to initialise SFTP: %s\n", fxp_error()); |
774204f5 |
2296 | return 1; /* failure */ |
4c7f0d61 |
2297 | } |
2298 | |
2299 | /* |
2300 | * Find out where our home directory is. |
2301 | */ |
1bc24185 |
2302 | sftp_register(req = fxp_realpath_send(".")); |
2303 | rreq = sftp_find_request(pktin = sftp_recv()); |
2304 | assert(rreq == req); |
7b7de4f4 |
2305 | homedir = fxp_realpath_recv(pktin, rreq); |
1bc24185 |
2306 | |
4c7f0d61 |
2307 | if (!homedir) { |
2308 | fprintf(stderr, |
2309 | "Warning: failed to resolve home directory: %s\n", |
2310 | fxp_error()); |
2311 | homedir = dupstr("."); |
2312 | } else { |
2313 | printf("Remote working directory is %s\n", homedir); |
2314 | } |
2315 | pwd = dupstr(homedir); |
774204f5 |
2316 | return 0; |
fa3db767 |
2317 | } |
2318 | |
679539d7 |
2319 | void do_sftp_cleanup() |
2320 | { |
2321 | char ch; |
f11233cb |
2322 | if (back) { |
2323 | back->special(backhandle, TS_EOF); |
2324 | sftp_recvdata(&ch, 1); |
2325 | back->free(backhandle); |
2326 | sftp_cleanup_request(); |
65857773 |
2327 | back = NULL; |
2328 | backhandle = NULL; |
f11233cb |
2329 | } |
679539d7 |
2330 | if (pwd) { |
2331 | sfree(pwd); |
2332 | pwd = NULL; |
2333 | } |
2334 | if (homedir) { |
2335 | sfree(homedir); |
2336 | homedir = NULL; |
2337 | } |
2338 | } |
2339 | |
fa3db767 |
2340 | void do_sftp(int mode, int modeflags, char *batchfile) |
2341 | { |
2342 | FILE *fp; |
df49ff19 |
2343 | int ret; |
4c7f0d61 |
2344 | |
9954aaa3 |
2345 | /* |
2346 | * Batch mode? |
4c7f0d61 |
2347 | */ |
9954aaa3 |
2348 | if (mode == 0) { |
2349 | |
2350 | /* ------------------------------------------------------------------ |
2351 | * Now we're ready to do Real Stuff. |
2352 | */ |
2353 | while (1) { |
df49ff19 |
2354 | struct sftp_command *cmd; |
39934deb |
2355 | cmd = sftp_getcmd(NULL, 0, 0); |
df49ff19 |
2356 | if (!cmd) |
2357 | break; |
679539d7 |
2358 | ret = cmd->obey(cmd); |
2359 | if (cmd->words) { |
2360 | int i; |
2361 | for(i = 0; i < cmd->nwords; i++) |
2362 | sfree(cmd->words[i]); |
2363 | sfree(cmd->words); |
2364 | } |
2365 | sfree(cmd); |
2366 | if (ret < 0) |
df49ff19 |
2367 | break; |
bf5240cd |
2368 | } |
9954aaa3 |
2369 | } else { |
2370 | fp = fopen(batchfile, "r"); |
2371 | if (!fp) { |
bf5240cd |
2372 | printf("Fatal: unable to open %s\n", batchfile); |
2373 | return; |
9954aaa3 |
2374 | } |
2375 | while (1) { |
bf5240cd |
2376 | struct sftp_command *cmd; |
2377 | cmd = sftp_getcmd(fp, mode, modeflags); |
2378 | if (!cmd) |
2379 | break; |
df49ff19 |
2380 | ret = cmd->obey(cmd); |
2381 | if (ret < 0) |
bf5240cd |
2382 | break; |
df49ff19 |
2383 | if (ret == 0) { |
bf5240cd |
2384 | if (!(modeflags & 2)) |
9954aaa3 |
2385 | break; |
bf5240cd |
2386 | } |
9954aaa3 |
2387 | } |
bf5240cd |
2388 | fclose(fp); |
9954aaa3 |
2389 | |
4c7f0d61 |
2390 | } |
4a8fc3c4 |
2391 | } |
4c7f0d61 |
2392 | |
4a8fc3c4 |
2393 | /* ---------------------------------------------------------------------- |
2394 | * Dirty bits: integration with PuTTY. |
2395 | */ |
2396 | |
2397 | static int verbose = 0; |
2398 | |
7bedb13c |
2399 | /* |
4a8fc3c4 |
2400 | * Print an error message and perform a fatal exit. |
2401 | */ |
2402 | void fatalbox(char *fmt, ...) |
2403 | { |
57356d63 |
2404 | char *str, *str2; |
4a8fc3c4 |
2405 | va_list ap; |
2406 | va_start(ap, fmt); |
57356d63 |
2407 | str = dupvprintf(fmt, ap); |
2408 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2409 | sfree(str); |
4a8fc3c4 |
2410 | va_end(ap); |
57356d63 |
2411 | fputs(str2, stderr); |
2412 | sfree(str2); |
4a8fc3c4 |
2413 | |
93b581bd |
2414 | cleanup_exit(1); |
4a8fc3c4 |
2415 | } |
1709795f |
2416 | void modalfatalbox(char *fmt, ...) |
2417 | { |
57356d63 |
2418 | char *str, *str2; |
1709795f |
2419 | va_list ap; |
2420 | va_start(ap, fmt); |
57356d63 |
2421 | str = dupvprintf(fmt, ap); |
2422 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2423 | sfree(str); |
1709795f |
2424 | va_end(ap); |
57356d63 |
2425 | fputs(str2, stderr); |
2426 | sfree(str2); |
1709795f |
2427 | |
2428 | cleanup_exit(1); |
2429 | } |
a8327734 |
2430 | void connection_fatal(void *frontend, char *fmt, ...) |
4a8fc3c4 |
2431 | { |
57356d63 |
2432 | char *str, *str2; |
4a8fc3c4 |
2433 | va_list ap; |
2434 | va_start(ap, fmt); |
57356d63 |
2435 | str = dupvprintf(fmt, ap); |
2436 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2437 | sfree(str); |
4a8fc3c4 |
2438 | va_end(ap); |
57356d63 |
2439 | fputs(str2, stderr); |
2440 | sfree(str2); |
4a8fc3c4 |
2441 | |
93b581bd |
2442 | cleanup_exit(1); |
4a8fc3c4 |
2443 | } |
2444 | |
6b78788a |
2445 | void ldisc_send(void *handle, char *buf, int len, int interactive) |
32874aea |
2446 | { |
4a8fc3c4 |
2447 | /* |
2448 | * This is only here because of the calls to ldisc_send(NULL, |
2449 | * 0) in ssh.c. Nothing in PSFTP actually needs to use the |
2450 | * ldisc as an ldisc. So if we get called with any real data, I |
2451 | * want to know about it. |
4c7f0d61 |
2452 | */ |
4a8fc3c4 |
2453 | assert(len == 0); |
2454 | } |
2455 | |
2456 | /* |
c44bf5bd |
2457 | * In psftp, all agent requests should be synchronous, so this is a |
2458 | * never-called stub. |
2459 | */ |
2460 | void agent_schedule_callback(void (*callback)(void *, void *, int), |
2461 | void *callback_ctx, void *data, int len) |
2462 | { |
2463 | assert(!"We shouldn't be here"); |
2464 | } |
2465 | |
2466 | /* |
4a8fc3c4 |
2467 | * Receive a block of data from the SSH link. Block until all data |
2468 | * is available. |
2469 | * |
2470 | * To do this, we repeatedly call the SSH protocol module, with our |
2471 | * own trap in from_backend() to catch the data that comes back. We |
2472 | * do this until we have enough data. |
2473 | */ |
2474 | |
32874aea |
2475 | static unsigned char *outptr; /* where to put the data */ |
2476 | static unsigned outlen; /* how much data required */ |
4a8fc3c4 |
2477 | static unsigned char *pending = NULL; /* any spare data */ |
32874aea |
2478 | static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */ |
9fab77dc |
2479 | int from_backend(void *frontend, int is_stderr, const char *data, int datalen) |
32874aea |
2480 | { |
2481 | unsigned char *p = (unsigned char *) data; |
2482 | unsigned len = (unsigned) datalen; |
4a8fc3c4 |
2483 | |
2484 | /* |
2485 | * stderr data is just spouted to local stderr and otherwise |
2486 | * ignored. |
2487 | */ |
2488 | if (is_stderr) { |
bfa5400d |
2489 | if (len > 0) |
2490 | fwrite(data, 1, len, stderr); |
5471d09a |
2491 | return 0; |
4a8fc3c4 |
2492 | } |
2493 | |
2494 | /* |
2495 | * If this is before the real session begins, just return. |
2496 | */ |
2497 | if (!outptr) |
5471d09a |
2498 | return 0; |
4a8fc3c4 |
2499 | |
bfa5400d |
2500 | if ((outlen > 0) && (len > 0)) { |
32874aea |
2501 | unsigned used = outlen; |
2502 | if (used > len) |
2503 | used = len; |
2504 | memcpy(outptr, p, used); |
2505 | outptr += used; |
2506 | outlen -= used; |
2507 | p += used; |
2508 | len -= used; |
4a8fc3c4 |
2509 | } |
2510 | |
2511 | if (len > 0) { |
32874aea |
2512 | if (pendsize < pendlen + len) { |
2513 | pendsize = pendlen + len + 4096; |
3d88e64d |
2514 | pending = sresize(pending, pendsize, unsigned char); |
32874aea |
2515 | } |
2516 | memcpy(pending + pendlen, p, len); |
2517 | pendlen += len; |
4a8fc3c4 |
2518 | } |
5471d09a |
2519 | |
2520 | return 0; |
4a8fc3c4 |
2521 | } |
32874aea |
2522 | int sftp_recvdata(char *buf, int len) |
2523 | { |
2524 | outptr = (unsigned char *) buf; |
4a8fc3c4 |
2525 | outlen = len; |
2526 | |
2527 | /* |
2528 | * See if the pending-input block contains some of what we |
2529 | * need. |
2530 | */ |
2531 | if (pendlen > 0) { |
32874aea |
2532 | unsigned pendused = pendlen; |
2533 | if (pendused > outlen) |
2534 | pendused = outlen; |
4a8fc3c4 |
2535 | memcpy(outptr, pending, pendused); |
32874aea |
2536 | memmove(pending, pending + pendused, pendlen - pendused); |
4a8fc3c4 |
2537 | outptr += pendused; |
2538 | outlen -= pendused; |
32874aea |
2539 | pendlen -= pendused; |
2540 | if (pendlen == 0) { |
2541 | pendsize = 0; |
2542 | sfree(pending); |
2543 | pending = NULL; |
2544 | } |
2545 | if (outlen == 0) |
2546 | return 1; |
4a8fc3c4 |
2547 | } |
2548 | |
2549 | while (outlen > 0) { |
d6cc41e6 |
2550 | if (ssh_sftp_loop_iteration() < 0) |
32874aea |
2551 | return 0; /* doom */ |
4a8fc3c4 |
2552 | } |
2553 | |
2554 | return 1; |
2555 | } |
32874aea |
2556 | int sftp_senddata(char *buf, int len) |
2557 | { |
776792d7 |
2558 | back->send(backhandle, buf, len); |
4a8fc3c4 |
2559 | return 1; |
2560 | } |
2561 | |
2562 | /* |
4a8fc3c4 |
2563 | * Short description of parameters. |
2564 | */ |
2565 | static void usage(void) |
2566 | { |
2567 | printf("PuTTY Secure File Transfer (SFTP) client\n"); |
2568 | printf("%s\n", ver); |
90767715 |
2569 | printf("Usage: psftp [options] [user@]host\n"); |
4a8fc3c4 |
2570 | printf("Options:\n"); |
9954aaa3 |
2571 | printf(" -b file use specified batchfile\n"); |
2572 | printf(" -bc output batchfile commands\n"); |
2573 | printf(" -be don't stop batchfile processing if errors\n"); |
4a8fc3c4 |
2574 | printf(" -v show verbose messages\n"); |
e2a197cf |
2575 | printf(" -load sessname Load settings from saved session\n"); |
2576 | printf(" -l user connect with specified username\n"); |
4a8fc3c4 |
2577 | printf(" -P port connect to specified port\n"); |
2578 | printf(" -pw passw login with specified password\n"); |
e2a197cf |
2579 | printf(" -1 -2 force use of particular SSH protocol version\n"); |
05581745 |
2580 | printf(" -4 -6 force use of IPv4 or IPv6\n"); |
e2a197cf |
2581 | printf(" -C enable compression\n"); |
2582 | printf(" -i key private key file for authentication\n"); |
2583 | printf(" -batch disable all interactive prompts\n"); |
dc108ebc |
2584 | printf(" -V print version information\n"); |
93b581bd |
2585 | cleanup_exit(1); |
4a8fc3c4 |
2586 | } |
2587 | |
dc108ebc |
2588 | static void version(void) |
2589 | { |
2590 | printf("psftp: %s\n", ver); |
2591 | cleanup_exit(1); |
2592 | } |
2593 | |
4a8fc3c4 |
2594 | /* |
fa3db767 |
2595 | * Connect to a host. |
4a8fc3c4 |
2596 | */ |
fa3db767 |
2597 | static int psftp_connect(char *userhost, char *user, int portnumber) |
4a8fc3c4 |
2598 | { |
fa3db767 |
2599 | char *host, *realhost; |
cbe2d68f |
2600 | const char *err; |
b51259f6 |
2601 | void *logctx; |
4a8fc3c4 |
2602 | |
2603 | /* Separate host and username */ |
2604 | host = userhost; |
2605 | host = strrchr(host, '@'); |
2606 | if (host == NULL) { |
2607 | host = userhost; |
2608 | } else { |
2609 | *host++ = '\0'; |
2610 | if (user) { |
32874aea |
2611 | printf("psftp: multiple usernames specified; using \"%s\"\n", |
2612 | user); |
4a8fc3c4 |
2613 | } else |
2614 | user = userhost; |
2615 | } |
2616 | |
18e62ad8 |
2617 | /* |
2618 | * If we haven't loaded session details already (e.g., from -load), |
2619 | * try looking for a session called "host". |
2620 | */ |
2621 | if (!loaded_session) { |
2622 | /* Try to load settings for `host' into a temporary config */ |
2623 | Config cfg2; |
2624 | cfg2.host[0] = '\0'; |
2625 | do_defaults(host, &cfg2); |
2626 | if (cfg2.host[0] != '\0') { |
2627 | /* Settings present and include hostname */ |
2628 | /* Re-load data into the real config. */ |
2629 | do_defaults(host, &cfg); |
2630 | } else { |
2631 | /* Session doesn't exist or mention a hostname. */ |
2632 | /* Use `host' as a bare hostname. */ |
2633 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
2634 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
2635 | } |
2636 | } else { |
2637 | /* Patch in hostname `host' to session details. */ |
32874aea |
2638 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
2639 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
f133db8e |
2640 | } |
2641 | |
2642 | /* |
2643 | * Force use of SSH. (If they got the protocol wrong we assume the |
2644 | * port is useless too.) |
2645 | */ |
2646 | if (cfg.protocol != PROT_SSH) { |
2647 | cfg.protocol = PROT_SSH; |
2648 | cfg.port = 22; |
4a8fc3c4 |
2649 | } |
2650 | |
449925a6 |
2651 | /* |
4123fa9a |
2652 | * If saved session / Default Settings says SSH-1 (`1 only' or `1'), |
2653 | * then change it to SSH-2, on the grounds that that's more likely to |
2654 | * work for SFTP. (Can be overridden with `-1' option.) |
2655 | * But if it says `2 only' or `2', respect which. |
2656 | */ |
2657 | if (cfg.sshprot != 2 && cfg.sshprot != 3) |
2658 | cfg.sshprot = 2; |
2659 | |
2660 | /* |
c0a81592 |
2661 | * Enact command-line overrides. |
2662 | */ |
5555d393 |
2663 | cmdline_run_saved(&cfg); |
c0a81592 |
2664 | |
2665 | /* |
449925a6 |
2666 | * Trim leading whitespace off the hostname if it's there. |
2667 | */ |
2668 | { |
2669 | int space = strspn(cfg.host, " \t"); |
2670 | memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space); |
2671 | } |
2672 | |
2673 | /* See if host is of the form user@host */ |
2674 | if (cfg.host[0] != '\0') { |
5dd103a8 |
2675 | char *atsign = strrchr(cfg.host, '@'); |
449925a6 |
2676 | /* Make sure we're not overflowing the user field */ |
2677 | if (atsign) { |
2678 | if (atsign - cfg.host < sizeof cfg.username) { |
2679 | strncpy(cfg.username, cfg.host, atsign - cfg.host); |
2680 | cfg.username[atsign - cfg.host] = '\0'; |
2681 | } |
2682 | memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1)); |
2683 | } |
2684 | } |
2685 | |
2686 | /* |
2687 | * Trim a colon suffix off the hostname if it's there. |
2688 | */ |
2689 | cfg.host[strcspn(cfg.host, ":")] = '\0'; |
2690 | |
cae0c023 |
2691 | /* |
2692 | * Remove any remaining whitespace from the hostname. |
2693 | */ |
2694 | { |
2695 | int p1 = 0, p2 = 0; |
2696 | while (cfg.host[p2] != '\0') { |
2697 | if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') { |
2698 | cfg.host[p1] = cfg.host[p2]; |
2699 | p1++; |
2700 | } |
2701 | p2++; |
2702 | } |
2703 | cfg.host[p1] = '\0'; |
2704 | } |
2705 | |
4a8fc3c4 |
2706 | /* Set username */ |
2707 | if (user != NULL && user[0] != '\0') { |
32874aea |
2708 | strncpy(cfg.username, user, sizeof(cfg.username) - 1); |
2709 | cfg.username[sizeof(cfg.username) - 1] = '\0'; |
4a8fc3c4 |
2710 | } |
2711 | if (!cfg.username[0]) { |
b5af97b3 |
2712 | if (!console_get_line("login as: ", |
2713 | cfg.username, sizeof(cfg.username), FALSE)) { |
2714 | fprintf(stderr, "psftp: no username, aborting\n"); |
93b581bd |
2715 | cleanup_exit(1); |
4a8fc3c4 |
2716 | } else { |
2717 | int len = strlen(cfg.username); |
32874aea |
2718 | if (cfg.username[len - 1] == '\n') |
2719 | cfg.username[len - 1] = '\0'; |
4a8fc3c4 |
2720 | } |
2721 | } |
2722 | |
4a8fc3c4 |
2723 | if (portnumber) |
2724 | cfg.port = portnumber; |
2725 | |
d27b4a18 |
2726 | /* |
2727 | * Disable scary things which shouldn't be enabled for simple |
2728 | * things like SCP and SFTP: agent forwarding, port forwarding, |
2729 | * X forwarding. |
2730 | */ |
2731 | cfg.x11_forward = 0; |
2732 | cfg.agentfwd = 0; |
2733 | cfg.portfwd[0] = cfg.portfwd[1] = '\0'; |
2734 | |
bebf22d0 |
2735 | /* Set up subsystem name. */ |
4a8fc3c4 |
2736 | strcpy(cfg.remote_cmd, "sftp"); |
2737 | cfg.ssh_subsys = TRUE; |
2738 | cfg.nopty = TRUE; |
2739 | |
bebf22d0 |
2740 | /* |
2741 | * Set up fallback option, for SSH1 servers or servers with the |
2742 | * sftp subsystem not enabled but the server binary installed |
2743 | * in the usual place. We only support fallback on Unix |
248c0c5a |
2744 | * systems, and we use a kludgy piece of shellery which should |
2745 | * try to find sftp-server in various places (the obvious |
2746 | * systemwide spots /usr/lib and /usr/local/lib, and then the |
2747 | * user's PATH) and finally give up. |
bebf22d0 |
2748 | * |
248c0c5a |
2749 | * test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server |
2750 | * test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server |
2751 | * exec sftp-server |
bebf22d0 |
2752 | * |
2753 | * the idea being that this will attempt to use either of the |
2754 | * obvious pathnames and then give up, and when it does give up |
2755 | * it will print the preferred pathname in the error messages. |
2756 | */ |
2757 | cfg.remote_cmd_ptr2 = |
248c0c5a |
2758 | "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" |
2759 | "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" |
2760 | "exec sftp-server"; |
bebf22d0 |
2761 | cfg.ssh_subsys2 = FALSE; |
2762 | |
4a8fc3c4 |
2763 | back = &ssh_backend; |
2764 | |
79bf227b |
2765 | err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost, |
2766 | 0, cfg.tcp_keepalives); |
4a8fc3c4 |
2767 | if (err != NULL) { |
fa3db767 |
2768 | fprintf(stderr, "ssh_init: %s\n", err); |
4a8fc3c4 |
2769 | return 1; |
2770 | } |
c229ef97 |
2771 | logctx = log_init(NULL, &cfg); |
a8327734 |
2772 | back->provide_logctx(backhandle, logctx); |
d3fef4a5 |
2773 | console_provide_logctx(logctx); |
d6cc41e6 |
2774 | while (!back->sendok(backhandle)) { |
2775 | if (ssh_sftp_loop_iteration() < 0) { |
2776 | fprintf(stderr, "ssh_init: error during SSH connection setup\n"); |
2777 | return 1; |
2778 | } |
2779 | } |
4a8fc3c4 |
2780 | if (verbose && realhost != NULL) |
2781 | printf("Connected to %s\n", realhost); |
679539d7 |
2782 | if (realhost != NULL) |
2783 | sfree(realhost); |
fa3db767 |
2784 | return 0; |
2785 | } |
2786 | |
c0a81592 |
2787 | void cmdline_error(char *p, ...) |
2788 | { |
2789 | va_list ap; |
86256dc6 |
2790 | fprintf(stderr, "psftp: "); |
c0a81592 |
2791 | va_start(ap, p); |
2792 | vfprintf(stderr, p, ap); |
2793 | va_end(ap); |
86256dc6 |
2794 | fprintf(stderr, "\n try typing \"psftp -h\" for help\n"); |
c0a81592 |
2795 | exit(1); |
2796 | } |
2797 | |
fa3db767 |
2798 | /* |
2799 | * Main program. Parse arguments etc. |
2800 | */ |
d6cc41e6 |
2801 | int psftp_main(int argc, char *argv[]) |
fa3db767 |
2802 | { |
2803 | int i; |
2804 | int portnumber = 0; |
2805 | char *userhost, *user; |
2806 | int mode = 0; |
2807 | int modeflags = 0; |
2808 | char *batchfile = NULL; |
86256dc6 |
2809 | int errors = 0; |
fa3db767 |
2810 | |
b51259f6 |
2811 | flags = FLAG_STDERR | FLAG_INTERACTIVE |
2812 | #ifdef FLAG_SYNCAGENT |
2813 | | FLAG_SYNCAGENT |
2814 | #endif |
2815 | ; |
c0a81592 |
2816 | cmdline_tooltype = TOOLTYPE_FILETRANSFER; |
ff2ae367 |
2817 | ssh_get_line = &console_get_line; |
fa3db767 |
2818 | sk_init(); |
2819 | |
2820 | userhost = user = NULL; |
2821 | |
18e62ad8 |
2822 | /* Load Default Settings before doing anything else. */ |
2823 | do_defaults(NULL, &cfg); |
2824 | loaded_session = FALSE; |
2825 | |
86256dc6 |
2826 | errors = 0; |
fa3db767 |
2827 | for (i = 1; i < argc; i++) { |
c0a81592 |
2828 | int ret; |
fa3db767 |
2829 | if (argv[i][0] != '-') { |
c0a81592 |
2830 | if (userhost) |
2831 | usage(); |
2832 | else |
2833 | userhost = dupstr(argv[i]); |
2834 | continue; |
2835 | } |
5555d393 |
2836 | ret = cmdline_process_param(argv[i], i+1<argc?argv[i+1]:NULL, 1, &cfg); |
c0a81592 |
2837 | if (ret == -2) { |
2838 | cmdline_error("option \"%s\" requires an argument", argv[i]); |
2839 | } else if (ret == 2) { |
2840 | i++; /* skip next argument */ |
2841 | } else if (ret == 1) { |
2842 | /* We have our own verbosity in addition to `flags'. */ |
2843 | if (flags & FLAG_VERBOSE) |
2844 | verbose = 1; |
fa3db767 |
2845 | } else if (strcmp(argv[i], "-h") == 0 || |
2846 | strcmp(argv[i], "-?") == 0) { |
2847 | usage(); |
dc108ebc |
2848 | } else if (strcmp(argv[i], "-V") == 0) { |
2849 | version(); |
c0a81592 |
2850 | } else if (strcmp(argv[i], "-batch") == 0) { |
2851 | console_batch_mode = 1; |
fa3db767 |
2852 | } else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) { |
2853 | mode = 1; |
2854 | batchfile = argv[++i]; |
d13c2ee9 |
2855 | } else if (strcmp(argv[i], "-bc") == 0) { |
fa3db767 |
2856 | modeflags = modeflags | 1; |
d13c2ee9 |
2857 | } else if (strcmp(argv[i], "-be") == 0) { |
fa3db767 |
2858 | modeflags = modeflags | 2; |
2859 | } else if (strcmp(argv[i], "--") == 0) { |
2860 | i++; |
2861 | break; |
2862 | } else { |
86256dc6 |
2863 | cmdline_error("unknown option \"%s\"", argv[i]); |
fa3db767 |
2864 | } |
2865 | } |
2866 | argc -= i; |
2867 | argv += i; |
2868 | back = NULL; |
2869 | |
2870 | /* |
e1bb41d1 |
2871 | * If the loaded session provides a hostname, and a hostname has not |
2872 | * otherwise been specified, pop it in `userhost' so that |
2873 | * `psftp -load sessname' is sufficient to start a session. |
2874 | */ |
2875 | if (!userhost && cfg.host[0] != '\0') { |
2876 | userhost = dupstr(cfg.host); |
2877 | } |
2878 | |
2879 | /* |
fa3db767 |
2880 | * If a user@host string has already been provided, connect to |
2881 | * it now. |
2882 | */ |
2883 | if (userhost) { |
679539d7 |
2884 | int ret; |
2885 | ret = psftp_connect(userhost, user, portnumber); |
2886 | sfree(userhost); |
2887 | if (ret) |
fa3db767 |
2888 | return 1; |
774204f5 |
2889 | if (do_sftp_init()) |
2890 | return 1; |
fa3db767 |
2891 | } else { |
2892 | printf("psftp: no hostname specified; use \"open host.name\"" |
679539d7 |
2893 | " to connect\n"); |
fa3db767 |
2894 | } |
4c7f0d61 |
2895 | |
9954aaa3 |
2896 | do_sftp(mode, modeflags, batchfile); |
4a8fc3c4 |
2897 | |
51470298 |
2898 | if (back != NULL && back->socket(backhandle) != NULL) { |
4a8fc3c4 |
2899 | char ch; |
51470298 |
2900 | back->special(backhandle, TS_EOF); |
4a8fc3c4 |
2901 | sftp_recvdata(&ch, 1); |
2902 | } |
b614ce89 |
2903 | do_sftp_cleanup(); |
4a8fc3c4 |
2904 | random_save_seed(); |
679539d7 |
2905 | cmdline_cleanup(); |
2906 | console_provide_logctx(NULL); |
679539d7 |
2907 | sk_cleanup(); |
4a8fc3c4 |
2908 | |
4c7f0d61 |
2909 | return 0; |
2910 | } |