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 | |
38f0c08e |
192 | static void not_connected(void) |
193 | { |
194 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
195 | } |
196 | |
93e86a8b |
197 | /* ---------------------------------------------------------------------- |
198 | * The meat of the `get' and `put' commands. |
4c7f0d61 |
199 | */ |
5079ee6d |
200 | int sftp_get_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
201 | { |
4c7f0d61 |
202 | struct fxp_handle *fh; |
1bc24185 |
203 | struct sftp_packet *pktin; |
204 | struct sftp_request *req, *rreq; |
c606c42d |
205 | struct fxp_xfer *xfer; |
4c7f0d61 |
206 | uint64 offset; |
207 | FILE *fp; |
479fe1ba |
208 | int ret, shown_err = FALSE; |
4c7f0d61 |
209 | |
93e86a8b |
210 | /* |
211 | * In recursive mode, see if we're dealing with a directory. |
212 | * (If we're not in recursive mode, we need not even check: the |
213 | * subsequent FXP_OPEN will return a usable error message.) |
214 | */ |
5079ee6d |
215 | if (recurse) { |
93e86a8b |
216 | struct fxp_attrs attrs; |
217 | int result; |
fa3db767 |
218 | |
5079ee6d |
219 | sftp_register(req = fxp_stat_send(fname)); |
220 | rreq = sftp_find_request(pktin = sftp_recv()); |
221 | assert(rreq == req); |
222 | result = fxp_stat_recv(pktin, rreq, &attrs); |
9c77ddf6 |
223 | |
5079ee6d |
224 | if (result && |
225 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
226 | (attrs.permissions & 0040000)) { |
93e86a8b |
227 | |
228 | struct fxp_handle *dirhandle; |
229 | int nnames, namesize; |
230 | struct fxp_name **ournames; |
231 | struct fxp_names *names; |
232 | int i; |
233 | |
234 | /* |
235 | * First, attempt to create the destination directory, |
5079ee6d |
236 | * unless it already exists. |
93e86a8b |
237 | */ |
5079ee6d |
238 | if (file_type(outfname) != FILE_TYPE_DIRECTORY && |
93e86a8b |
239 | !create_directory(outfname)) { |
240 | printf("%s: Cannot create directory\n", outfname); |
241 | return 0; |
242 | } |
4c7f0d61 |
243 | |
93e86a8b |
244 | /* |
245 | * Now get the list of filenames in the remote |
246 | * directory. |
247 | */ |
248 | sftp_register(req = fxp_opendir_send(fname)); |
249 | rreq = sftp_find_request(pktin = sftp_recv()); |
250 | assert(rreq == req); |
251 | dirhandle = fxp_opendir_recv(pktin, rreq); |
252 | |
253 | if (!dirhandle) { |
254 | printf("%s: unable to open directory: %s\n", |
255 | fname, fxp_error()); |
256 | return 0; |
257 | } |
258 | nnames = namesize = 0; |
259 | ournames = NULL; |
260 | while (1) { |
261 | int i; |
262 | |
263 | sftp_register(req = fxp_readdir_send(dirhandle)); |
264 | rreq = sftp_find_request(pktin = sftp_recv()); |
265 | assert(rreq == req); |
266 | names = fxp_readdir_recv(pktin, rreq); |
267 | |
268 | if (names == NULL) { |
269 | if (fxp_error_type() == SSH_FX_EOF) |
270 | break; |
271 | printf("%s: reading directory: %s\n", fname, fxp_error()); |
272 | sfree(ournames); |
273 | return 0; |
274 | } |
275 | if (names->nnames == 0) { |
276 | fxp_free_names(names); |
277 | break; |
278 | } |
279 | if (nnames + names->nnames >= namesize) { |
280 | namesize += names->nnames + 128; |
281 | ournames = sresize(ournames, namesize, struct fxp_name *); |
282 | } |
283 | for (i = 0; i < names->nnames; i++) |
e9d14678 |
284 | if (strcmp(names->names[i].filename, ".") && |
5079ee6d |
285 | strcmp(names->names[i].filename, "..")) { |
e9d14678 |
286 | if (!vet_filename(names->names[i].filename)) { |
287 | printf("ignoring potentially dangerous server-" |
288 | "supplied filename '%s'\n", |
289 | names->names[i].filename); |
290 | } else { |
291 | ournames[nnames++] = |
292 | fxp_dup_name(&names->names[i]); |
293 | } |
294 | } |
93e86a8b |
295 | fxp_free_names(names); |
296 | } |
297 | sftp_register(req = fxp_close_send(dirhandle)); |
298 | rreq = sftp_find_request(pktin = sftp_recv()); |
299 | assert(rreq == req); |
300 | fxp_close_recv(pktin, rreq); |
301 | |
302 | /* |
303 | * Sort the names into a clear order. This ought to |
304 | * make things more predictable when we're doing a |
305 | * reget of the same directory, just in case two |
306 | * readdirs on the same remote directory return a |
307 | * different order. |
308 | */ |
309 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
310 | |
311 | /* |
312 | * If we're in restart mode, find the last filename on |
313 | * this list that already exists. We may have to do a |
314 | * reget on _that_ file, but shouldn't have to do |
315 | * anything on the previous files. |
316 | * |
317 | * If none of them exists, of course, we start at 0. |
318 | */ |
319 | i = 0; |
320 | while (i < nnames) { |
321 | char *nextoutfname; |
322 | int ret; |
9c77ddf6 |
323 | if (outfname) |
324 | nextoutfname = dir_file_cat(outfname, |
325 | ournames[i]->filename); |
326 | else |
327 | nextoutfname = dupstr(ournames[i]->filename); |
93e86a8b |
328 | ret = (file_type(nextoutfname) == FILE_TYPE_NONEXISTENT); |
329 | sfree(nextoutfname); |
330 | if (ret) |
331 | break; |
332 | i++; |
333 | } |
334 | if (i > 0) |
335 | i--; |
336 | |
337 | /* |
338 | * Now we're ready to recurse. Starting at ournames[i] |
339 | * and continuing on to the end of the list, we |
340 | * construct a new source and target file name, and |
341 | * call sftp_get_file again. |
342 | */ |
343 | for (; i < nnames; i++) { |
344 | char *nextfname, *nextoutfname; |
345 | int ret; |
346 | |
347 | nextfname = dupcat(fname, "/", ournames[i]->filename, NULL); |
9c77ddf6 |
348 | if (outfname) |
349 | nextoutfname = dir_file_cat(outfname, |
350 | ournames[i]->filename); |
351 | else |
352 | nextoutfname = dupstr(ournames[i]->filename); |
5079ee6d |
353 | ret = sftp_get_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
354 | restart = FALSE; /* after first partial file, do full */ |
355 | sfree(nextoutfname); |
356 | sfree(nextfname); |
357 | if (!ret) { |
358 | for (i = 0; i < nnames; i++) { |
359 | fxp_free_name(ournames[i]); |
360 | } |
361 | sfree(ournames); |
362 | return 0; |
363 | } |
364 | } |
365 | |
366 | /* |
367 | * Done this recursion level. Free everything. |
368 | */ |
369 | for (i = 0; i < nnames; i++) { |
370 | fxp_free_name(ournames[i]); |
371 | } |
372 | sfree(ournames); |
373 | |
374 | return 1; |
375 | } |
4c7f0d61 |
376 | } |
4c7f0d61 |
377 | |
1bc24185 |
378 | sftp_register(req = fxp_open_send(fname, SSH_FXF_READ)); |
379 | rreq = sftp_find_request(pktin = sftp_recv()); |
380 | assert(rreq == req); |
7b7de4f4 |
381 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
382 | |
4c7f0d61 |
383 | if (!fh) { |
384 | printf("%s: %s\n", fname, fxp_error()); |
4c7f0d61 |
385 | return 0; |
386 | } |
d92624dc |
387 | |
388 | if (restart) { |
389 | fp = fopen(outfname, "rb+"); |
390 | } else { |
391 | fp = fopen(outfname, "wb"); |
392 | } |
393 | |
4c7f0d61 |
394 | if (!fp) { |
395 | printf("local: unable to open %s\n", outfname); |
1bc24185 |
396 | |
397 | sftp_register(req = fxp_close_send(fh)); |
398 | rreq = sftp_find_request(pktin = sftp_recv()); |
399 | assert(rreq == req); |
7b7de4f4 |
400 | fxp_close_recv(pktin, rreq); |
1bc24185 |
401 | |
4c7f0d61 |
402 | return 0; |
403 | } |
404 | |
d92624dc |
405 | if (restart) { |
406 | long posn; |
407 | fseek(fp, 0L, SEEK_END); |
408 | posn = ftell(fp); |
409 | printf("reget: restarting at file position %ld\n", posn); |
410 | offset = uint64_make(0, posn); |
411 | } else { |
412 | offset = uint64_make(0, 0); |
413 | } |
4c7f0d61 |
414 | |
d92624dc |
415 | printf("remote:%s => local:%s\n", fname, outfname); |
4c7f0d61 |
416 | |
417 | /* |
418 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
419 | * thus put up a progress bar. |
420 | */ |
df49ff19 |
421 | ret = 1; |
c606c42d |
422 | xfer = xfer_download_init(fh, offset); |
df0870fc |
423 | while (!xfer_done(xfer)) { |
c606c42d |
424 | void *vbuf; |
425 | int ret, len; |
4c7f0d61 |
426 | int wpos, wlen; |
427 | |
c606c42d |
428 | xfer_download_queue(xfer); |
429 | pktin = sftp_recv(); |
430 | ret = xfer_download_gotpkt(xfer, pktin); |
431 | |
432 | if (ret < 0) { |
479fe1ba |
433 | if (!shown_err) { |
434 | printf("error while reading: %s\n", fxp_error()); |
435 | shown_err = TRUE; |
436 | } |
c606c42d |
437 | ret = 0; |
4c7f0d61 |
438 | } |
32874aea |
439 | |
c606c42d |
440 | while (xfer_download_data(xfer, &vbuf, &len)) { |
441 | unsigned char *buf = (unsigned char *)vbuf; |
442 | |
443 | wpos = 0; |
444 | while (wpos < len) { |
445 | wlen = fwrite(buf + wpos, 1, len - wpos, fp); |
446 | if (wlen <= 0) { |
447 | printf("error while writing local file\n"); |
448 | ret = 0; |
449 | xfer_set_error(xfer); |
450 | } |
451 | wpos += wlen; |
452 | } |
453 | if (wpos < len) { /* we had an error */ |
df49ff19 |
454 | ret = 0; |
c606c42d |
455 | xfer_set_error(xfer); |
4c7f0d61 |
456 | } |
9ff4e23d |
457 | |
458 | sfree(vbuf); |
df49ff19 |
459 | } |
4c7f0d61 |
460 | } |
461 | |
c606c42d |
462 | xfer_cleanup(xfer); |
463 | |
4c7f0d61 |
464 | fclose(fp); |
1bc24185 |
465 | |
466 | sftp_register(req = fxp_close_send(fh)); |
467 | rreq = sftp_find_request(pktin = sftp_recv()); |
468 | assert(rreq == req); |
7b7de4f4 |
469 | fxp_close_recv(pktin, rreq); |
1bc24185 |
470 | |
df49ff19 |
471 | return ret; |
4c7f0d61 |
472 | } |
473 | |
5079ee6d |
474 | int sftp_put_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
475 | { |
4c7f0d61 |
476 | struct fxp_handle *fh; |
df0870fc |
477 | struct fxp_xfer *xfer; |
1bc24185 |
478 | struct sftp_packet *pktin; |
479 | struct sftp_request *req, *rreq; |
4c7f0d61 |
480 | uint64 offset; |
481 | FILE *fp; |
df0870fc |
482 | int ret, err, eof; |
4c7f0d61 |
483 | |
93e86a8b |
484 | /* |
485 | * In recursive mode, see if we're dealing with a directory. |
486 | * (If we're not in recursive mode, we need not even check: the |
487 | * subsequent fopen will return an error message.) |
488 | */ |
5079ee6d |
489 | if (recurse && file_type(fname) == FILE_TYPE_DIRECTORY) { |
93e86a8b |
490 | struct fxp_attrs attrs; |
491 | int result; |
492 | int nnames, namesize; |
493 | char *name, **ournames; |
494 | DirHandle *dh; |
495 | int i; |
4c7f0d61 |
496 | |
5079ee6d |
497 | /* |
498 | * First, attempt to create the destination directory, |
499 | * unless it already exists. |
500 | */ |
501 | sftp_register(req = fxp_stat_send(outfname)); |
502 | rreq = sftp_find_request(pktin = sftp_recv()); |
503 | assert(rreq == req); |
504 | result = fxp_stat_recv(pktin, rreq, &attrs); |
505 | if (!result || |
506 | !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) || |
507 | !(attrs.permissions & 0040000)) { |
508 | sftp_register(req = fxp_mkdir_send(outfname)); |
93e86a8b |
509 | rreq = sftp_find_request(pktin = sftp_recv()); |
510 | assert(rreq == req); |
5079ee6d |
511 | result = fxp_mkdir_recv(pktin, rreq); |
93e86a8b |
512 | |
5079ee6d |
513 | if (!result) { |
514 | printf("%s: create directory: %s\n", |
515 | outfname, fxp_error()); |
516 | return 0; |
93e86a8b |
517 | } |
518 | } |
519 | |
520 | /* |
521 | * Now get the list of filenames in the local directory. |
522 | */ |
93e86a8b |
523 | nnames = namesize = 0; |
524 | ournames = NULL; |
9c77ddf6 |
525 | |
5079ee6d |
526 | dh = open_directory(fname); |
527 | if (!dh) { |
528 | printf("%s: unable to open directory\n", fname); |
529 | return 0; |
9c77ddf6 |
530 | } |
5079ee6d |
531 | while ((name = read_filename(dh)) != NULL) { |
532 | if (nnames >= namesize) { |
533 | namesize += 128; |
534 | ournames = sresize(ournames, namesize, char *); |
535 | } |
536 | ournames[nnames++] = name; |
93e86a8b |
537 | } |
5079ee6d |
538 | close_directory(dh); |
93e86a8b |
539 | |
540 | /* |
541 | * Sort the names into a clear order. This ought to make |
542 | * things more predictable when we're doing a reput of the |
543 | * same directory, just in case two readdirs on the same |
544 | * local directory return a different order. |
545 | */ |
546 | qsort(ournames, nnames, sizeof(*ournames), bare_name_compare); |
547 | |
548 | /* |
549 | * If we're in restart mode, find the last filename on this |
550 | * list that already exists. We may have to do a reput on |
551 | * _that_ file, but shouldn't have to do anything on the |
552 | * previous files. |
553 | * |
554 | * If none of them exists, of course, we start at 0. |
555 | */ |
556 | i = 0; |
557 | while (i < nnames) { |
558 | char *nextoutfname; |
559 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
560 | sftp_register(req = fxp_stat_send(nextoutfname)); |
561 | rreq = sftp_find_request(pktin = sftp_recv()); |
562 | assert(rreq == req); |
563 | result = fxp_stat_recv(pktin, rreq, &attrs); |
564 | sfree(nextoutfname); |
565 | if (!result) |
566 | break; |
567 | i++; |
568 | } |
569 | if (i > 0) |
570 | i--; |
571 | |
572 | /* |
573 | * Now we're ready to recurse. Starting at ournames[i] |
574 | * and continuing on to the end of the list, we |
575 | * construct a new source and target file name, and |
576 | * call sftp_put_file again. |
577 | */ |
578 | for (; i < nnames; i++) { |
579 | char *nextfname, *nextoutfname; |
580 | int ret; |
581 | |
9c77ddf6 |
582 | if (fname) |
583 | nextfname = dir_file_cat(fname, ournames[i]); |
584 | else |
585 | nextfname = dupstr(ournames[i]); |
93e86a8b |
586 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
5079ee6d |
587 | ret = sftp_put_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
588 | restart = FALSE; /* after first partial file, do full */ |
589 | sfree(nextoutfname); |
590 | sfree(nextfname); |
591 | if (!ret) { |
592 | for (i = 0; i < nnames; i++) { |
593 | sfree(ournames[i]); |
594 | } |
595 | sfree(ournames); |
596 | return 0; |
597 | } |
598 | } |
599 | |
600 | /* |
601 | * Done this recursion level. Free everything. |
602 | */ |
603 | for (i = 0; i < nnames; i++) { |
604 | sfree(ournames[i]); |
605 | } |
606 | sfree(ournames); |
607 | |
608 | return 1; |
4c7f0d61 |
609 | } |
610 | |
611 | fp = fopen(fname, "rb"); |
612 | if (!fp) { |
613 | printf("local: unable to open %s\n", fname); |
4c7f0d61 |
614 | return 0; |
615 | } |
d92624dc |
616 | if (restart) { |
1bc24185 |
617 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE)); |
d92624dc |
618 | } else { |
1bc24185 |
619 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE | |
620 | SSH_FXF_CREAT | SSH_FXF_TRUNC)); |
d92624dc |
621 | } |
1bc24185 |
622 | rreq = sftp_find_request(pktin = sftp_recv()); |
623 | assert(rreq == req); |
7b7de4f4 |
624 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
625 | |
4c7f0d61 |
626 | if (!fh) { |
627 | printf("%s: %s\n", outfname, fxp_error()); |
4c7f0d61 |
628 | return 0; |
629 | } |
630 | |
d92624dc |
631 | if (restart) { |
632 | char decbuf[30]; |
633 | struct fxp_attrs attrs; |
1bc24185 |
634 | int ret; |
635 | |
636 | sftp_register(req = fxp_fstat_send(fh)); |
637 | rreq = sftp_find_request(pktin = sftp_recv()); |
638 | assert(rreq == req); |
7b7de4f4 |
639 | ret = fxp_fstat_recv(pktin, rreq, &attrs); |
1bc24185 |
640 | |
641 | if (!ret) { |
d92624dc |
642 | printf("read size of %s: %s\n", outfname, fxp_error()); |
d92624dc |
643 | return 0; |
644 | } |
645 | if (!(attrs.flags & SSH_FILEXFER_ATTR_SIZE)) { |
646 | printf("read size of %s: size was not given\n", outfname); |
d92624dc |
647 | return 0; |
648 | } |
649 | offset = attrs.size; |
650 | uint64_decimal(offset, decbuf); |
651 | printf("reput: restarting at file position %s\n", decbuf); |
652 | if (uint64_compare(offset, uint64_make(0, LONG_MAX)) > 0) { |
653 | printf("reput: remote file is larger than we can deal with\n"); |
d92624dc |
654 | return 0; |
655 | } |
656 | if (fseek(fp, offset.lo, SEEK_SET) != 0) |
657 | fseek(fp, 0, SEEK_END); /* *shrug* */ |
658 | } else { |
659 | offset = uint64_make(0, 0); |
660 | } |
4c7f0d61 |
661 | |
d92624dc |
662 | printf("local:%s => remote:%s\n", fname, outfname); |
4c7f0d61 |
663 | |
664 | /* |
665 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
666 | * thus put up a progress bar. |
667 | */ |
df49ff19 |
668 | ret = 1; |
df0870fc |
669 | xfer = xfer_upload_init(fh, offset); |
670 | err = eof = 0; |
671 | while ((!err && !eof) || !xfer_done(xfer)) { |
4c7f0d61 |
672 | char buffer[4096]; |
1bc24185 |
673 | int len, ret; |
4c7f0d61 |
674 | |
df0870fc |
675 | while (xfer_upload_ready(xfer) && !err && !eof) { |
676 | len = fread(buffer, 1, sizeof(buffer), fp); |
677 | if (len == -1) { |
678 | printf("error while reading local file\n"); |
679 | err = 1; |
680 | } else if (len == 0) { |
681 | eof = 1; |
682 | } else { |
683 | xfer_upload_data(xfer, buffer, len); |
684 | } |
4c7f0d61 |
685 | } |
1bc24185 |
686 | |
2dbd915a |
687 | if (!xfer_done(xfer)) { |
688 | pktin = sftp_recv(); |
689 | ret = xfer_upload_gotpkt(xfer, pktin); |
690 | if (!ret) { |
691 | printf("error while writing: %s\n", fxp_error()); |
692 | err = 1; |
693 | } |
4c7f0d61 |
694 | } |
4c7f0d61 |
695 | } |
696 | |
df0870fc |
697 | xfer_cleanup(xfer); |
698 | |
1bc24185 |
699 | sftp_register(req = fxp_close_send(fh)); |
700 | rreq = sftp_find_request(pktin = sftp_recv()); |
701 | assert(rreq == req); |
7b7de4f4 |
702 | fxp_close_recv(pktin, rreq); |
1bc24185 |
703 | |
4c7f0d61 |
704 | fclose(fp); |
93e86a8b |
705 | |
706 | return ret; |
707 | } |
708 | |
709 | /* ---------------------------------------------------------------------- |
5079ee6d |
710 | * A remote wildcard matcher, providing a similar interface to the |
711 | * local one in psftp.h. |
712 | */ |
713 | |
714 | typedef struct SftpWildcardMatcher { |
715 | struct fxp_handle *dirh; |
716 | struct fxp_names *names; |
717 | int namepos; |
718 | char *wildcard, *prefix; |
719 | } SftpWildcardMatcher; |
720 | |
721 | SftpWildcardMatcher *sftp_begin_wildcard_matching(char *name) |
722 | { |
723 | struct sftp_packet *pktin; |
724 | struct sftp_request *req, *rreq; |
725 | char *wildcard; |
726 | char *unwcdir, *tmpdir, *cdir; |
727 | int len, check; |
728 | SftpWildcardMatcher *swcm; |
729 | struct fxp_handle *dirh; |
730 | |
731 | /* |
732 | * We don't handle multi-level wildcards; so we expect to find |
733 | * a fully specified directory part, followed by a wildcard |
734 | * after that. |
735 | */ |
736 | wildcard = stripslashes(name, 0); |
737 | |
738 | unwcdir = dupstr(name); |
739 | len = wildcard - name; |
740 | unwcdir[len] = '\0'; |
741 | if (len > 0 && unwcdir[len-1] == '/') |
742 | unwcdir[len-1] = '\0'; |
743 | tmpdir = snewn(1 + len, char); |
744 | check = wc_unescape(tmpdir, unwcdir); |
745 | sfree(tmpdir); |
746 | |
747 | if (!check) { |
748 | printf("Multiple-level wildcards are not supported\n"); |
749 | sfree(unwcdir); |
750 | return NULL; |
751 | } |
752 | |
753 | cdir = canonify(unwcdir); |
754 | |
755 | sftp_register(req = fxp_opendir_send(cdir)); |
756 | rreq = sftp_find_request(pktin = sftp_recv()); |
757 | assert(rreq == req); |
758 | dirh = fxp_opendir_recv(pktin, rreq); |
759 | |
760 | if (dirh) { |
761 | swcm = snew(SftpWildcardMatcher); |
762 | swcm->dirh = dirh; |
763 | swcm->names = NULL; |
764 | swcm->wildcard = dupstr(wildcard); |
765 | swcm->prefix = unwcdir; |
766 | } else { |
767 | printf("Unable to open %s: %s\n", cdir, fxp_error()); |
768 | swcm = NULL; |
769 | sfree(unwcdir); |
770 | } |
771 | |
772 | sfree(cdir); |
773 | |
774 | return swcm; |
775 | } |
776 | |
777 | char *sftp_wildcard_get_filename(SftpWildcardMatcher *swcm) |
778 | { |
779 | struct fxp_name *name; |
780 | struct sftp_packet *pktin; |
781 | struct sftp_request *req, *rreq; |
782 | |
783 | while (1) { |
784 | if (swcm->names && swcm->namepos >= swcm->names->nnames) { |
785 | fxp_free_names(swcm->names); |
786 | swcm->names = NULL; |
787 | } |
788 | |
789 | if (!swcm->names) { |
790 | sftp_register(req = fxp_readdir_send(swcm->dirh)); |
791 | rreq = sftp_find_request(pktin = sftp_recv()); |
792 | assert(rreq == req); |
793 | swcm->names = fxp_readdir_recv(pktin, rreq); |
794 | |
795 | if (!swcm->names) { |
796 | if (fxp_error_type() != SSH_FX_EOF) |
797 | printf("%s: reading directory: %s\n", swcm->prefix, |
798 | fxp_error()); |
799 | return NULL; |
800 | } |
801 | |
802 | swcm->namepos = 0; |
803 | } |
804 | |
805 | assert(swcm->names && swcm->namepos < swcm->names->nnames); |
806 | |
807 | name = &swcm->names->names[swcm->namepos++]; |
808 | |
809 | if (!strcmp(name->filename, ".") || !strcmp(name->filename, "..")) |
810 | continue; /* expected bad filenames */ |
811 | |
812 | if (!vet_filename(name->filename)) { |
813 | printf("ignoring potentially dangerous server-" |
814 | "supplied filename '%s'\n", name->filename); |
815 | continue; /* unexpected bad filename */ |
816 | } |
817 | |
818 | if (!wc_match(swcm->wildcard, name->filename)) |
819 | continue; /* doesn't match the wildcard */ |
820 | |
821 | /* |
822 | * We have a working filename. Return it. |
823 | */ |
824 | return dupprintf("%s%s%s", swcm->prefix, |
83567e43 |
825 | (!swcm->prefix[0] || |
826 | swcm->prefix[strlen(swcm->prefix)-1]=='/' ? |
827 | "" : "/"), |
5079ee6d |
828 | name->filename); |
829 | } |
830 | } |
831 | |
832 | void sftp_finish_wildcard_matching(SftpWildcardMatcher *swcm) |
833 | { |
834 | struct sftp_packet *pktin; |
835 | struct sftp_request *req, *rreq; |
836 | |
837 | sftp_register(req = fxp_close_send(swcm->dirh)); |
838 | rreq = sftp_find_request(pktin = sftp_recv()); |
839 | assert(rreq == req); |
840 | fxp_close_recv(pktin, rreq); |
841 | |
842 | if (swcm->names) |
843 | fxp_free_names(swcm->names); |
844 | |
845 | sfree(swcm->prefix); |
846 | sfree(swcm->wildcard); |
847 | |
848 | sfree(swcm); |
849 | } |
850 | |
83567e43 |
851 | /* |
852 | * General function to match a potential wildcard in a filename |
853 | * argument and iterate over every matching file. Used in several |
854 | * PSFTP commands (rmdir, rm, chmod, mv). |
855 | */ |
856 | int wildcard_iterate(char *filename, int (*func)(void *, char *), void *ctx) |
857 | { |
858 | char *unwcfname, *newname, *cname; |
859 | int is_wc, ret; |
860 | |
861 | unwcfname = snewn(strlen(filename)+1, char); |
862 | is_wc = !wc_unescape(unwcfname, filename); |
863 | |
864 | if (is_wc) { |
865 | SftpWildcardMatcher *swcm = sftp_begin_wildcard_matching(filename); |
866 | int matched = FALSE; |
867 | sfree(unwcfname); |
868 | |
869 | if (!swcm) |
870 | return 0; |
871 | |
872 | ret = 1; |
873 | |
874 | while ( (newname = sftp_wildcard_get_filename(swcm)) != NULL ) { |
875 | cname = canonify(newname); |
876 | if (!cname) { |
877 | printf("%s: %s\n", newname, fxp_error()); |
878 | ret = 0; |
879 | } |
880 | matched = TRUE; |
881 | ret &= func(ctx, cname); |
882 | sfree(cname); |
883 | } |
884 | |
885 | if (!matched) { |
886 | /* Politely warn the user that nothing matched. */ |
887 | printf("%s: nothing matched\n", filename); |
888 | } |
889 | |
890 | sftp_finish_wildcard_matching(swcm); |
891 | } else { |
892 | cname = canonify(unwcfname); |
893 | if (!cname) { |
894 | printf("%s: %s\n", filename, fxp_error()); |
895 | ret = 0; |
896 | } |
897 | ret = func(ctx, cname); |
898 | sfree(cname); |
899 | sfree(unwcfname); |
900 | } |
901 | |
902 | return ret; |
903 | } |
904 | |
905 | /* |
906 | * Handy helper function. |
907 | */ |
908 | int is_wildcard(char *name) |
909 | { |
910 | char *unwcfname = snewn(strlen(name)+1, char); |
911 | int is_wc = !wc_unescape(unwcfname, name); |
912 | sfree(unwcfname); |
913 | return is_wc; |
914 | } |
915 | |
5079ee6d |
916 | /* ---------------------------------------------------------------------- |
93e86a8b |
917 | * Actual sftp commands. |
918 | */ |
919 | struct sftp_command { |
920 | char **words; |
921 | int nwords, wordssize; |
922 | int (*obey) (struct sftp_command *); /* returns <0 to quit */ |
923 | }; |
924 | |
925 | int sftp_cmd_null(struct sftp_command *cmd) |
926 | { |
927 | return 1; /* success */ |
928 | } |
929 | |
930 | int sftp_cmd_unknown(struct sftp_command *cmd) |
931 | { |
932 | printf("psftp: unknown command \"%s\"\n", cmd->words[0]); |
933 | return 0; /* failure */ |
934 | } |
935 | |
936 | int sftp_cmd_quit(struct sftp_command *cmd) |
937 | { |
938 | return -1; |
939 | } |
940 | |
b614ce89 |
941 | int sftp_cmd_close(struct sftp_command *cmd) |
942 | { |
943 | if (back == NULL) { |
38f0c08e |
944 | not_connected(); |
b614ce89 |
945 | return 0; |
946 | } |
947 | |
948 | if (back != NULL && back->socket(backhandle) != NULL) { |
949 | char ch; |
950 | back->special(backhandle, TS_EOF); |
951 | sftp_recvdata(&ch, 1); |
952 | } |
953 | do_sftp_cleanup(); |
954 | |
955 | return 0; |
956 | } |
957 | |
93e86a8b |
958 | /* |
959 | * List a directory. If no arguments are given, list pwd; otherwise |
960 | * list the directory given in words[1]. |
961 | */ |
962 | int sftp_cmd_ls(struct sftp_command *cmd) |
963 | { |
964 | struct fxp_handle *dirh; |
965 | struct fxp_names *names; |
966 | struct fxp_name **ournames; |
967 | int nnames, namesize; |
3394416c |
968 | char *dir, *cdir, *unwcdir, *wildcard; |
93e86a8b |
969 | struct sftp_packet *pktin; |
970 | struct sftp_request *req, *rreq; |
971 | int i; |
972 | |
973 | if (back == NULL) { |
38f0c08e |
974 | not_connected(); |
93e86a8b |
975 | return 0; |
976 | } |
977 | |
978 | if (cmd->nwords < 2) |
979 | dir = "."; |
980 | else |
981 | dir = cmd->words[1]; |
982 | |
3394416c |
983 | unwcdir = snewn(1 + strlen(dir), char); |
984 | if (wc_unescape(unwcdir, dir)) { |
985 | dir = unwcdir; |
986 | wildcard = NULL; |
987 | } else { |
988 | char *tmpdir; |
989 | int len, check; |
990 | |
991 | wildcard = stripslashes(dir, 0); |
992 | unwcdir = dupstr(dir); |
993 | len = wildcard - dir; |
994 | unwcdir[len] = '\0'; |
995 | if (len > 0 && unwcdir[len-1] == '/') |
996 | unwcdir[len-1] = '\0'; |
997 | tmpdir = snewn(1 + len, char); |
998 | check = wc_unescape(tmpdir, unwcdir); |
999 | sfree(tmpdir); |
1000 | if (!check) { |
1001 | printf("Multiple-level wildcards are not supported\n"); |
1002 | sfree(unwcdir); |
1003 | return 0; |
1004 | } |
1005 | dir = unwcdir; |
1006 | } |
1007 | |
93e86a8b |
1008 | cdir = canonify(dir); |
1009 | if (!cdir) { |
1010 | printf("%s: %s\n", dir, fxp_error()); |
3394416c |
1011 | sfree(unwcdir); |
93e86a8b |
1012 | return 0; |
1013 | } |
1014 | |
1015 | printf("Listing directory %s\n", cdir); |
1016 | |
1017 | sftp_register(req = fxp_opendir_send(cdir)); |
1018 | rreq = sftp_find_request(pktin = sftp_recv()); |
1019 | assert(rreq == req); |
1020 | dirh = fxp_opendir_recv(pktin, rreq); |
1021 | |
1022 | if (dirh == NULL) { |
1023 | printf("Unable to open %s: %s\n", dir, fxp_error()); |
1024 | } else { |
1025 | nnames = namesize = 0; |
1026 | ournames = NULL; |
1027 | |
1028 | while (1) { |
1029 | |
1030 | sftp_register(req = fxp_readdir_send(dirh)); |
1031 | rreq = sftp_find_request(pktin = sftp_recv()); |
1032 | assert(rreq == req); |
1033 | names = fxp_readdir_recv(pktin, rreq); |
1034 | |
1035 | if (names == NULL) { |
1036 | if (fxp_error_type() == SSH_FX_EOF) |
1037 | break; |
1038 | printf("Reading directory %s: %s\n", dir, fxp_error()); |
1039 | break; |
1040 | } |
1041 | if (names->nnames == 0) { |
1042 | fxp_free_names(names); |
1043 | break; |
1044 | } |
1045 | |
1046 | if (nnames + names->nnames >= namesize) { |
1047 | namesize += names->nnames + 128; |
1048 | ournames = sresize(ournames, namesize, struct fxp_name *); |
1049 | } |
1050 | |
1051 | for (i = 0; i < names->nnames; i++) |
3394416c |
1052 | if (!wildcard || wc_match(wildcard, names->names[i].filename)) |
1053 | ournames[nnames++] = fxp_dup_name(&names->names[i]); |
93e86a8b |
1054 | |
1055 | fxp_free_names(names); |
1056 | } |
1057 | sftp_register(req = fxp_close_send(dirh)); |
1058 | rreq = sftp_find_request(pktin = sftp_recv()); |
1059 | assert(rreq == req); |
1060 | fxp_close_recv(pktin, rreq); |
1061 | |
1062 | /* |
1063 | * Now we have our filenames. Sort them by actual file |
1064 | * name, and then output the longname parts. |
1065 | */ |
1066 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
1067 | |
1068 | /* |
1069 | * And print them. |
1070 | */ |
1071 | for (i = 0; i < nnames; i++) { |
1072 | printf("%s\n", ournames[i]->longname); |
1073 | fxp_free_name(ournames[i]); |
1074 | } |
1075 | sfree(ournames); |
1076 | } |
1077 | |
1078 | sfree(cdir); |
3394416c |
1079 | sfree(unwcdir); |
93e86a8b |
1080 | |
1081 | return 1; |
1082 | } |
1083 | |
1084 | /* |
1085 | * Change directories. We do this by canonifying the new name, then |
1086 | * trying to OPENDIR it. Only if that succeeds do we set the new pwd. |
1087 | */ |
1088 | int sftp_cmd_cd(struct sftp_command *cmd) |
1089 | { |
1090 | struct fxp_handle *dirh; |
1091 | struct sftp_packet *pktin; |
1092 | struct sftp_request *req, *rreq; |
1093 | char *dir; |
1094 | |
1095 | if (back == NULL) { |
38f0c08e |
1096 | not_connected(); |
93e86a8b |
1097 | return 0; |
1098 | } |
1099 | |
1100 | if (cmd->nwords < 2) |
1101 | dir = dupstr(homedir); |
1102 | else |
1103 | dir = canonify(cmd->words[1]); |
1104 | |
1105 | if (!dir) { |
1106 | printf("%s: %s\n", dir, fxp_error()); |
1107 | return 0; |
1108 | } |
1109 | |
1110 | sftp_register(req = fxp_opendir_send(dir)); |
1111 | rreq = sftp_find_request(pktin = sftp_recv()); |
1112 | assert(rreq == req); |
1113 | dirh = fxp_opendir_recv(pktin, rreq); |
1114 | |
1115 | if (!dirh) { |
1116 | printf("Directory %s: %s\n", dir, fxp_error()); |
1117 | sfree(dir); |
1118 | return 0; |
1119 | } |
1120 | |
1121 | sftp_register(req = fxp_close_send(dirh)); |
1122 | rreq = sftp_find_request(pktin = sftp_recv()); |
1123 | assert(rreq == req); |
1124 | fxp_close_recv(pktin, rreq); |
1125 | |
1126 | sfree(pwd); |
1127 | pwd = dir; |
1128 | printf("Remote directory is now %s\n", pwd); |
1129 | |
1130 | return 1; |
1131 | } |
1132 | |
1133 | /* |
1134 | * Print current directory. Easy as pie. |
1135 | */ |
1136 | int sftp_cmd_pwd(struct sftp_command *cmd) |
1137 | { |
1138 | if (back == NULL) { |
38f0c08e |
1139 | not_connected(); |
93e86a8b |
1140 | return 0; |
1141 | } |
1142 | |
1143 | printf("Remote directory is %s\n", pwd); |
1144 | return 1; |
1145 | } |
1146 | |
1147 | /* |
9c77ddf6 |
1148 | * Get a file and save it at the local end. We have three very |
1149 | * similar commands here. The basic one is `get'; `reget' differs |
1150 | * in that it checks for the existence of the destination file and |
1151 | * starts from where a previous aborted transfer left off; `mget' |
1152 | * differs in that it interprets all its arguments as files to |
1153 | * transfer (never as a different local name for a remote file) and |
1154 | * can handle wildcards. |
93e86a8b |
1155 | */ |
9c77ddf6 |
1156 | int sftp_general_get(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1157 | { |
5079ee6d |
1158 | char *fname, *unwcfname, *origfname, *origwfname, *outfname; |
93e86a8b |
1159 | int i, ret; |
1160 | int recurse = FALSE; |
1161 | |
1162 | if (back == NULL) { |
38f0c08e |
1163 | not_connected(); |
93e86a8b |
1164 | return 0; |
1165 | } |
1166 | |
1167 | i = 1; |
1168 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1169 | if (!strcmp(cmd->words[i], "--")) { |
1170 | /* finish processing options */ |
1171 | i++; |
1172 | break; |
1173 | } else if (!strcmp(cmd->words[i], "-r")) { |
1174 | recurse = TRUE; |
1175 | } else { |
9033711a |
1176 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1177 | return 0; |
1178 | } |
1179 | i++; |
1180 | } |
1181 | |
1182 | if (i >= cmd->nwords) { |
9033711a |
1183 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1184 | return 0; |
1185 | } |
1186 | |
5079ee6d |
1187 | ret = 1; |
9c77ddf6 |
1188 | do { |
5079ee6d |
1189 | SftpWildcardMatcher *swcm; |
1190 | |
9c77ddf6 |
1191 | origfname = cmd->words[i++]; |
5079ee6d |
1192 | unwcfname = snewn(strlen(origfname)+1, char); |
93e86a8b |
1193 | |
5079ee6d |
1194 | if (multiple && !wc_unescape(unwcfname, origfname)) { |
1195 | swcm = sftp_begin_wildcard_matching(origfname); |
1196 | if (!swcm) { |
1197 | sfree(unwcfname); |
1198 | continue; |
1199 | } |
1200 | origwfname = sftp_wildcard_get_filename(swcm); |
1201 | if (!origwfname) { |
1202 | /* Politely warn the user that nothing matched. */ |
1203 | printf("%s: nothing matched\n", origfname); |
1204 | sftp_finish_wildcard_matching(swcm); |
1205 | sfree(unwcfname); |
1206 | continue; |
1207 | } |
9c77ddf6 |
1208 | } else { |
5079ee6d |
1209 | origwfname = origfname; |
1210 | swcm = NULL; |
1211 | } |
1212 | |
1213 | while (origwfname) { |
1214 | fname = canonify(origwfname); |
1215 | |
9c77ddf6 |
1216 | if (!fname) { |
5079ee6d |
1217 | printf("%s: %s\n", origwfname, fxp_error()); |
9c77ddf6 |
1218 | sfree(unwcfname); |
1219 | return 0; |
1220 | } |
93e86a8b |
1221 | |
9c77ddf6 |
1222 | if (!multiple && i < cmd->nwords) |
1223 | outfname = cmd->words[i++]; |
1224 | else |
5079ee6d |
1225 | outfname = stripslashes(origwfname, 0); |
93e86a8b |
1226 | |
5079ee6d |
1227 | ret = sftp_get_file(fname, outfname, recurse, restart); |
9c77ddf6 |
1228 | |
1229 | sfree(fname); |
5079ee6d |
1230 | |
1231 | if (swcm) { |
1232 | sfree(origwfname); |
1233 | origwfname = sftp_wildcard_get_filename(swcm); |
1234 | } else { |
1235 | origwfname = NULL; |
1236 | } |
9c77ddf6 |
1237 | } |
1238 | sfree(unwcfname); |
5079ee6d |
1239 | if (swcm) |
1240 | sftp_finish_wildcard_matching(swcm); |
9c77ddf6 |
1241 | if (!ret) |
1242 | return ret; |
1243 | |
1244 | } while (multiple && i < cmd->nwords); |
93e86a8b |
1245 | |
1246 | return ret; |
1247 | } |
1248 | int sftp_cmd_get(struct sftp_command *cmd) |
1249 | { |
9c77ddf6 |
1250 | return sftp_general_get(cmd, 0, 0); |
1251 | } |
1252 | int sftp_cmd_mget(struct sftp_command *cmd) |
1253 | { |
1254 | return sftp_general_get(cmd, 0, 1); |
93e86a8b |
1255 | } |
1256 | int sftp_cmd_reget(struct sftp_command *cmd) |
1257 | { |
9c77ddf6 |
1258 | return sftp_general_get(cmd, 1, 0); |
93e86a8b |
1259 | } |
1260 | |
1261 | /* |
9c77ddf6 |
1262 | * Send a file and store it at the remote end. We have three very |
1263 | * similar commands here. The basic one is `put'; `reput' differs |
1264 | * in that it checks for the existence of the destination file and |
1265 | * starts from where a previous aborted transfer left off; `mput' |
1266 | * differs in that it interprets all its arguments as files to |
1267 | * transfer (never as a different remote name for a local file) and |
1268 | * can handle wildcards. |
93e86a8b |
1269 | */ |
9c77ddf6 |
1270 | int sftp_general_put(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1271 | { |
5079ee6d |
1272 | char *fname, *wfname, *origoutfname, *outfname; |
93e86a8b |
1273 | int i, ret; |
1274 | int recurse = FALSE; |
1275 | |
1276 | if (back == NULL) { |
38f0c08e |
1277 | not_connected(); |
93e86a8b |
1278 | return 0; |
1279 | } |
1280 | |
1281 | i = 1; |
1282 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1283 | if (!strcmp(cmd->words[i], "--")) { |
1284 | /* finish processing options */ |
1285 | i++; |
1286 | break; |
1287 | } else if (!strcmp(cmd->words[i], "-r")) { |
1288 | recurse = TRUE; |
1289 | } else { |
9033711a |
1290 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1291 | return 0; |
1292 | } |
1293 | i++; |
1294 | } |
1295 | |
1296 | if (i >= cmd->nwords) { |
9033711a |
1297 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1298 | return 0; |
1299 | } |
1300 | |
5079ee6d |
1301 | ret = 1; |
9c77ddf6 |
1302 | do { |
5079ee6d |
1303 | WildcardMatcher *wcm; |
9c77ddf6 |
1304 | fname = cmd->words[i++]; |
93e86a8b |
1305 | |
9c77ddf6 |
1306 | if (multiple && test_wildcard(fname, FALSE) == WCTYPE_WILDCARD) { |
5079ee6d |
1307 | wcm = begin_wildcard_matching(fname); |
1308 | wfname = wildcard_get_filename(wcm); |
1309 | if (!wfname) { |
1310 | /* Politely warn the user that nothing matched. */ |
1311 | printf("%s: nothing matched\n", fname); |
1312 | finish_wildcard_matching(wcm); |
1313 | continue; |
1314 | } |
9c77ddf6 |
1315 | } else { |
5079ee6d |
1316 | wfname = fname; |
1317 | wcm = NULL; |
1318 | } |
1319 | |
1320 | while (wfname) { |
9c77ddf6 |
1321 | if (!multiple && i < cmd->nwords) |
1322 | origoutfname = cmd->words[i++]; |
1323 | else |
5079ee6d |
1324 | origoutfname = stripslashes(wfname, 1); |
9c77ddf6 |
1325 | |
1326 | outfname = canonify(origoutfname); |
1327 | if (!outfname) { |
1328 | printf("%s: %s\n", origoutfname, fxp_error()); |
5079ee6d |
1329 | if (wcm) { |
1330 | sfree(wfname); |
1331 | finish_wildcard_matching(wcm); |
1332 | } |
9c77ddf6 |
1333 | return 0; |
1334 | } |
5079ee6d |
1335 | ret = sftp_put_file(wfname, outfname, recurse, restart); |
9c77ddf6 |
1336 | sfree(outfname); |
5079ee6d |
1337 | |
1338 | if (wcm) { |
1339 | sfree(wfname); |
1340 | wfname = wildcard_get_filename(wcm); |
1341 | } else { |
1342 | wfname = NULL; |
1343 | } |
9c77ddf6 |
1344 | } |
5079ee6d |
1345 | |
1346 | if (wcm) |
1347 | finish_wildcard_matching(wcm); |
1348 | |
9c77ddf6 |
1349 | if (!ret) |
1350 | return ret; |
93e86a8b |
1351 | |
9c77ddf6 |
1352 | } while (multiple && i < cmd->nwords); |
4c7f0d61 |
1353 | |
df49ff19 |
1354 | return ret; |
4c7f0d61 |
1355 | } |
d92624dc |
1356 | int sftp_cmd_put(struct sftp_command *cmd) |
1357 | { |
9c77ddf6 |
1358 | return sftp_general_put(cmd, 0, 0); |
1359 | } |
1360 | int sftp_cmd_mput(struct sftp_command *cmd) |
1361 | { |
1362 | return sftp_general_put(cmd, 0, 1); |
d92624dc |
1363 | } |
1364 | int sftp_cmd_reput(struct sftp_command *cmd) |
1365 | { |
9c77ddf6 |
1366 | return sftp_general_put(cmd, 1, 0); |
d92624dc |
1367 | } |
4c7f0d61 |
1368 | |
9954aaa3 |
1369 | int sftp_cmd_mkdir(struct sftp_command *cmd) |
1370 | { |
1371 | char *dir; |
1bc24185 |
1372 | struct sftp_packet *pktin; |
1373 | struct sftp_request *req, *rreq; |
9954aaa3 |
1374 | int result; |
83567e43 |
1375 | int i, ret; |
9954aaa3 |
1376 | |
fa3db767 |
1377 | if (back == NULL) { |
38f0c08e |
1378 | not_connected(); |
fa3db767 |
1379 | return 0; |
1380 | } |
9954aaa3 |
1381 | |
1382 | if (cmd->nwords < 2) { |
1383 | printf("mkdir: expects a directory\n"); |
1384 | return 0; |
1385 | } |
1386 | |
83567e43 |
1387 | ret = 1; |
1388 | for (i = 1; i < cmd->nwords; i++) { |
1389 | dir = canonify(cmd->words[i]); |
1390 | if (!dir) { |
1391 | printf("%s: %s\n", dir, fxp_error()); |
1392 | return 0; |
1393 | } |
1394 | |
1395 | sftp_register(req = fxp_mkdir_send(dir)); |
1396 | rreq = sftp_find_request(pktin = sftp_recv()); |
1397 | assert(rreq == req); |
1398 | result = fxp_mkdir_recv(pktin, rreq); |
1399 | |
1400 | if (!result) { |
1401 | printf("mkdir %s: %s\n", dir, fxp_error()); |
1402 | sfree(dir); |
1403 | ret = 0; |
f68363d2 |
1404 | } else |
1405 | printf("mkdir %s: OK\n", dir); |
83567e43 |
1406 | |
1407 | sfree(dir); |
9954aaa3 |
1408 | } |
1409 | |
83567e43 |
1410 | return ret; |
1411 | } |
1412 | |
1413 | static int sftp_action_rmdir(void *vctx, char *dir) |
1414 | { |
1415 | struct sftp_packet *pktin; |
1416 | struct sftp_request *req, *rreq; |
1417 | int result; |
1418 | |
1419 | sftp_register(req = fxp_rmdir_send(dir)); |
1bc24185 |
1420 | rreq = sftp_find_request(pktin = sftp_recv()); |
1421 | assert(rreq == req); |
83567e43 |
1422 | result = fxp_rmdir_recv(pktin, rreq); |
1bc24185 |
1423 | |
9954aaa3 |
1424 | if (!result) { |
83567e43 |
1425 | printf("rmdir %s: %s\n", dir, fxp_error()); |
9954aaa3 |
1426 | return 0; |
1427 | } |
1428 | |
f68363d2 |
1429 | printf("rmdir %s: OK\n", dir); |
1430 | |
df49ff19 |
1431 | return 1; |
9954aaa3 |
1432 | } |
1433 | |
1434 | int sftp_cmd_rmdir(struct sftp_command *cmd) |
1435 | { |
83567e43 |
1436 | int i, ret; |
9954aaa3 |
1437 | |
fa3db767 |
1438 | if (back == NULL) { |
38f0c08e |
1439 | not_connected(); |
fa3db767 |
1440 | return 0; |
1441 | } |
9954aaa3 |
1442 | |
1443 | if (cmd->nwords < 2) { |
1444 | printf("rmdir: expects a directory\n"); |
1445 | return 0; |
1446 | } |
1447 | |
83567e43 |
1448 | ret = 1; |
1449 | for (i = 1; i < cmd->nwords; i++) |
1450 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rmdir, NULL); |
9954aaa3 |
1451 | |
83567e43 |
1452 | return ret; |
1453 | } |
1454 | |
1455 | static int sftp_action_rm(void *vctx, char *fname) |
1456 | { |
1457 | struct sftp_packet *pktin; |
1458 | struct sftp_request *req, *rreq; |
1459 | int result; |
1460 | |
1461 | sftp_register(req = fxp_remove_send(fname)); |
1bc24185 |
1462 | rreq = sftp_find_request(pktin = sftp_recv()); |
1463 | assert(rreq == req); |
83567e43 |
1464 | result = fxp_remove_recv(pktin, rreq); |
1bc24185 |
1465 | |
9954aaa3 |
1466 | if (!result) { |
83567e43 |
1467 | printf("rm %s: %s\n", fname, fxp_error()); |
9954aaa3 |
1468 | return 0; |
1469 | } |
1470 | |
f68363d2 |
1471 | printf("rm %s: OK\n", fname); |
1472 | |
df49ff19 |
1473 | return 1; |
9954aaa3 |
1474 | } |
1475 | |
1476 | int sftp_cmd_rm(struct sftp_command *cmd) |
1477 | { |
83567e43 |
1478 | int i, ret; |
9954aaa3 |
1479 | |
fa3db767 |
1480 | if (back == NULL) { |
38f0c08e |
1481 | not_connected(); |
fa3db767 |
1482 | return 0; |
1483 | } |
1484 | |
9954aaa3 |
1485 | if (cmd->nwords < 2) { |
1486 | printf("rm: expects a filename\n"); |
1487 | return 0; |
1488 | } |
1489 | |
83567e43 |
1490 | ret = 1; |
1491 | for (i = 1; i < cmd->nwords; i++) |
1492 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rm, NULL); |
1493 | |
1494 | return ret; |
1495 | } |
1496 | |
1497 | static int check_is_dir(char *dstfname) |
1498 | { |
1499 | struct sftp_packet *pktin; |
1500 | struct sftp_request *req, *rreq; |
1501 | struct fxp_attrs attrs; |
1502 | int result; |
1503 | |
1504 | sftp_register(req = fxp_stat_send(dstfname)); |
1505 | rreq = sftp_find_request(pktin = sftp_recv()); |
1506 | assert(rreq == req); |
1507 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1508 | |
1509 | if (result && |
1510 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
1511 | (attrs.permissions & 0040000)) |
1512 | return TRUE; |
1513 | else |
1514 | return FALSE; |
1515 | } |
1516 | |
1517 | struct sftp_context_mv { |
1518 | char *dstfname; |
1519 | int dest_is_dir; |
1520 | }; |
1521 | |
1522 | static int sftp_action_mv(void *vctx, char *srcfname) |
1523 | { |
1524 | struct sftp_context_mv *ctx = (struct sftp_context_mv *)vctx; |
1525 | struct sftp_packet *pktin; |
1526 | struct sftp_request *req, *rreq; |
1527 | const char *error; |
1528 | char *finalfname, *newcanon = NULL; |
1529 | int ret, result; |
1530 | |
1531 | if (ctx->dest_is_dir) { |
1532 | char *p; |
1533 | char *newname; |
1534 | |
1535 | p = srcfname + strlen(srcfname); |
1536 | while (p > srcfname && p[-1] != '/') p--; |
1537 | newname = dupcat(ctx->dstfname, "/", p, NULL); |
1538 | newcanon = canonify(newname); |
1539 | if (!newcanon) { |
1540 | printf("%s: %s\n", newname, fxp_error()); |
1541 | sfree(newname); |
1542 | return 0; |
1543 | } |
1544 | sfree(newname); |
1545 | |
1546 | finalfname = newcanon; |
1547 | } else { |
1548 | finalfname = ctx->dstfname; |
9954aaa3 |
1549 | } |
1550 | |
83567e43 |
1551 | sftp_register(req = fxp_rename_send(srcfname, finalfname)); |
1bc24185 |
1552 | rreq = sftp_find_request(pktin = sftp_recv()); |
1553 | assert(rreq == req); |
83567e43 |
1554 | result = fxp_rename_recv(pktin, rreq); |
1bc24185 |
1555 | |
83567e43 |
1556 | error = result ? NULL : fxp_error(); |
1557 | |
1558 | if (error) { |
1559 | printf("mv %s %s: %s\n", srcfname, finalfname, error); |
1560 | ret = 0; |
1561 | } else { |
1562 | printf("%s -> %s\n", srcfname, finalfname); |
1563 | ret = 1; |
9954aaa3 |
1564 | } |
1565 | |
83567e43 |
1566 | sfree(newcanon); |
1567 | return ret; |
d92624dc |
1568 | } |
1569 | |
1570 | int sftp_cmd_mv(struct sftp_command *cmd) |
1571 | { |
83567e43 |
1572 | struct sftp_context_mv actx, *ctx = &actx; |
1573 | int i, ret; |
d92624dc |
1574 | |
fa3db767 |
1575 | if (back == NULL) { |
38f0c08e |
1576 | not_connected(); |
fa3db767 |
1577 | return 0; |
1578 | } |
1579 | |
d92624dc |
1580 | if (cmd->nwords < 3) { |
1581 | printf("mv: expects two filenames\n"); |
9954aaa3 |
1582 | return 0; |
d92624dc |
1583 | } |
83567e43 |
1584 | |
1585 | ctx->dstfname = canonify(cmd->words[cmd->nwords-1]); |
1586 | if (!ctx->dstfname) { |
1587 | printf("%s: %s\n", ctx->dstfname, fxp_error()); |
d92624dc |
1588 | return 0; |
1589 | } |
1590 | |
83567e43 |
1591 | /* |
1592 | * If there's more than one source argument, or one source |
1593 | * argument which is a wildcard, we _require_ that the |
1594 | * destination is a directory. |
1595 | */ |
1596 | ctx->dest_is_dir = check_is_dir(ctx->dstfname); |
1597 | if ((cmd->nwords > 3 || is_wildcard(cmd->words[1])) && !ctx->dest_is_dir) { |
1598 | printf("mv: multiple or wildcard arguments require the destination" |
1599 | " to be a directory\n"); |
c4acc08c |
1600 | sfree(ctx->dstfname); |
d92624dc |
1601 | return 0; |
1602 | } |
9954aaa3 |
1603 | |
83567e43 |
1604 | /* |
1605 | * Now iterate over the source arguments. |
1606 | */ |
1607 | ret = 1; |
1608 | for (i = 1; i < cmd->nwords-1; i++) |
1609 | ret &= wildcard_iterate(cmd->words[i], sftp_action_mv, ctx); |
1610 | |
c4acc08c |
1611 | sfree(ctx->dstfname); |
83567e43 |
1612 | return ret; |
1613 | } |
1614 | |
1615 | struct sftp_context_chmod { |
1616 | unsigned attrs_clr, attrs_xor; |
1617 | }; |
1618 | |
1619 | static int sftp_action_chmod(void *vctx, char *fname) |
1620 | { |
1621 | struct fxp_attrs attrs; |
1622 | struct sftp_packet *pktin; |
1623 | struct sftp_request *req, *rreq; |
1624 | int result; |
1625 | unsigned oldperms, newperms; |
1626 | struct sftp_context_chmod *ctx = (struct sftp_context_chmod *)vctx; |
1627 | |
1628 | sftp_register(req = fxp_stat_send(fname)); |
1bc24185 |
1629 | rreq = sftp_find_request(pktin = sftp_recv()); |
1630 | assert(rreq == req); |
83567e43 |
1631 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1bc24185 |
1632 | |
83567e43 |
1633 | if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) { |
1634 | printf("get attrs for %s: %s\n", fname, |
1635 | result ? "file permissions not provided" : fxp_error()); |
83567e43 |
1636 | return 0; |
1637 | } |
d92624dc |
1638 | |
83567e43 |
1639 | attrs.flags = SSH_FILEXFER_ATTR_PERMISSIONS; /* perms _only_ */ |
1640 | oldperms = attrs.permissions & 07777; |
1641 | attrs.permissions &= ~ctx->attrs_clr; |
1642 | attrs.permissions ^= ctx->attrs_xor; |
1643 | newperms = attrs.permissions & 07777; |
1bc24185 |
1644 | |
83567e43 |
1645 | if (oldperms == newperms) |
1646 | return 1; /* no need to do anything! */ |
1bc24185 |
1647 | |
83567e43 |
1648 | sftp_register(req = fxp_setstat_send(fname, attrs)); |
1649 | rreq = sftp_find_request(pktin = sftp_recv()); |
1650 | assert(rreq == req); |
1651 | result = fxp_setstat_recv(pktin, rreq); |
1bc24185 |
1652 | |
83567e43 |
1653 | if (!result) { |
1654 | printf("set attrs for %s: %s\n", fname, fxp_error()); |
83567e43 |
1655 | return 0; |
d92624dc |
1656 | } |
d92624dc |
1657 | |
83567e43 |
1658 | printf("%s: %04o -> %04o\n", fname, oldperms, newperms); |
1659 | |
df49ff19 |
1660 | return 1; |
9954aaa3 |
1661 | } |
1662 | |
d92624dc |
1663 | int sftp_cmd_chmod(struct sftp_command *cmd) |
1664 | { |
83567e43 |
1665 | char *mode; |
1666 | int i, ret; |
1667 | struct sftp_context_chmod actx, *ctx = &actx; |
d92624dc |
1668 | |
fa3db767 |
1669 | if (back == NULL) { |
38f0c08e |
1670 | not_connected(); |
fa3db767 |
1671 | return 0; |
1672 | } |
1673 | |
d92624dc |
1674 | if (cmd->nwords < 3) { |
1675 | printf("chmod: expects a mode specifier and a filename\n"); |
1676 | return 0; |
1677 | } |
1678 | |
1679 | /* |
1680 | * Attempt to parse the mode specifier in cmd->words[1]. We |
1681 | * don't support the full horror of Unix chmod; instead we |
1682 | * support a much simpler syntax in which the user can either |
1683 | * specify an octal number, or a comma-separated sequence of |
1684 | * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may |
1685 | * _only_ be omitted if the only attribute mentioned is t, |
1686 | * since all others require a user/group/other specification. |
1687 | * Additionally, the s attribute may not be specified for any |
1688 | * [ugoa] specifications other than exactly u or exactly g. |
1689 | */ |
83567e43 |
1690 | ctx->attrs_clr = ctx->attrs_xor = 0; |
d92624dc |
1691 | mode = cmd->words[1]; |
1692 | if (mode[0] >= '0' && mode[0] <= '9') { |
1693 | if (mode[strspn(mode, "01234567")]) { |
1694 | printf("chmod: numeric file modes should" |
1695 | " contain digits 0-7 only\n"); |
1696 | return 0; |
1697 | } |
83567e43 |
1698 | ctx->attrs_clr = 07777; |
1699 | sscanf(mode, "%o", &ctx->attrs_xor); |
1700 | ctx->attrs_xor &= ctx->attrs_clr; |
d92624dc |
1701 | } else { |
1702 | while (*mode) { |
1703 | char *modebegin = mode; |
1704 | unsigned subset, perms; |
1705 | int action; |
1706 | |
1707 | subset = 0; |
1708 | while (*mode && *mode != ',' && |
1709 | *mode != '+' && *mode != '-' && *mode != '=') { |
1710 | switch (*mode) { |
1711 | case 'u': subset |= 04700; break; /* setuid, user perms */ |
1712 | case 'g': subset |= 02070; break; /* setgid, group perms */ |
1713 | case 'o': subset |= 00007; break; /* just other perms */ |
1714 | case 'a': subset |= 06777; break; /* all of the above */ |
1715 | default: |
1716 | printf("chmod: file mode '%.*s' contains unrecognised" |
1717 | " user/group/other specifier '%c'\n", |
b51259f6 |
1718 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1719 | return 0; |
1720 | } |
1721 | mode++; |
1722 | } |
1723 | if (!*mode || *mode == ',') { |
1724 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1725 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1726 | return 0; |
1727 | } |
1728 | action = *mode++; |
1729 | if (!*mode || *mode == ',') { |
1730 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1731 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1732 | return 0; |
1733 | } |
1734 | perms = 0; |
1735 | while (*mode && *mode != ',') { |
1736 | switch (*mode) { |
1737 | case 'r': perms |= 00444; break; |
1738 | case 'w': perms |= 00222; break; |
1739 | case 'x': perms |= 00111; break; |
1740 | case 't': perms |= 01000; subset |= 01000; break; |
1741 | case 's': |
1742 | if ((subset & 06777) != 04700 && |
1743 | (subset & 06777) != 02070) { |
1744 | printf("chmod: file mode '%.*s': set[ug]id bit should" |
1745 | " be used with exactly one of u or g only\n", |
b51259f6 |
1746 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1747 | return 0; |
1748 | } |
1749 | perms |= 06000; |
1750 | break; |
1751 | default: |
1752 | printf("chmod: file mode '%.*s' contains unrecognised" |
1753 | " permission specifier '%c'\n", |
b51259f6 |
1754 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1755 | return 0; |
1756 | } |
1757 | mode++; |
1758 | } |
1759 | if (!(subset & 06777) && (perms &~ subset)) { |
1760 | printf("chmod: file mode '%.*s' contains no user/group/other" |
1761 | " specifier and permissions other than 't' \n", |
b51259f6 |
1762 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1763 | return 0; |
1764 | } |
1765 | perms &= subset; |
1766 | switch (action) { |
1767 | case '+': |
83567e43 |
1768 | ctx->attrs_clr |= perms; |
1769 | ctx->attrs_xor |= perms; |
d92624dc |
1770 | break; |
1771 | case '-': |
83567e43 |
1772 | ctx->attrs_clr |= perms; |
1773 | ctx->attrs_xor &= ~perms; |
d92624dc |
1774 | break; |
1775 | case '=': |
83567e43 |
1776 | ctx->attrs_clr |= subset; |
1777 | ctx->attrs_xor |= perms; |
d92624dc |
1778 | break; |
1779 | } |
1780 | if (*mode) mode++; /* eat comma */ |
1781 | } |
1782 | } |
1783 | |
83567e43 |
1784 | ret = 1; |
1785 | for (i = 2; i < cmd->nwords; i++) |
1786 | ret &= wildcard_iterate(cmd->words[i], sftp_action_chmod, ctx); |
d92624dc |
1787 | |
83567e43 |
1788 | return ret; |
d92624dc |
1789 | } |
9954aaa3 |
1790 | |
fa3db767 |
1791 | static int sftp_cmd_open(struct sftp_command *cmd) |
1792 | { |
f11233cb |
1793 | int portnumber; |
1794 | |
fa3db767 |
1795 | if (back != NULL) { |
1796 | printf("psftp: already connected\n"); |
1797 | return 0; |
1798 | } |
1799 | |
1800 | if (cmd->nwords < 2) { |
1801 | printf("open: expects a host name\n"); |
1802 | return 0; |
1803 | } |
1804 | |
f11233cb |
1805 | if (cmd->nwords > 2) { |
1806 | portnumber = atoi(cmd->words[2]); |
1807 | if (portnumber == 0) { |
1808 | printf("open: invalid port number\n"); |
1809 | return 0; |
1810 | } |
1811 | } else |
1812 | portnumber = 0; |
1813 | |
1814 | if (psftp_connect(cmd->words[1], NULL, portnumber)) { |
fa3db767 |
1815 | back = NULL; /* connection is already closed */ |
1816 | return -1; /* this is fatal */ |
1817 | } |
1818 | do_sftp_init(); |
df49ff19 |
1819 | return 1; |
fa3db767 |
1820 | } |
1821 | |
3af97463 |
1822 | static int sftp_cmd_lcd(struct sftp_command *cmd) |
1823 | { |
d6cc41e6 |
1824 | char *currdir, *errmsg; |
3af97463 |
1825 | |
1826 | if (cmd->nwords < 2) { |
1827 | printf("lcd: expects a local directory name\n"); |
1828 | return 0; |
1829 | } |
1830 | |
d6cc41e6 |
1831 | errmsg = psftp_lcd(cmd->words[1]); |
1832 | if (errmsg) { |
1833 | printf("lcd: unable to change directory: %s\n", errmsg); |
1834 | sfree(errmsg); |
3af97463 |
1835 | return 0; |
1836 | } |
1837 | |
d6cc41e6 |
1838 | currdir = psftp_getcwd(); |
3af97463 |
1839 | printf("New local directory is %s\n", currdir); |
1840 | sfree(currdir); |
1841 | |
1842 | return 1; |
1843 | } |
1844 | |
1845 | static int sftp_cmd_lpwd(struct sftp_command *cmd) |
1846 | { |
1847 | char *currdir; |
3af97463 |
1848 | |
d6cc41e6 |
1849 | currdir = psftp_getcwd(); |
3af97463 |
1850 | printf("Current local directory is %s\n", currdir); |
1851 | sfree(currdir); |
1852 | |
1853 | return 1; |
1854 | } |
1855 | |
1856 | static int sftp_cmd_pling(struct sftp_command *cmd) |
1857 | { |
1858 | int exitcode; |
1859 | |
1860 | exitcode = system(cmd->words[1]); |
1861 | return (exitcode == 0); |
1862 | } |
1863 | |
bf5240cd |
1864 | static int sftp_cmd_help(struct sftp_command *cmd); |
1865 | |
4c7f0d61 |
1866 | static struct sftp_cmd_lookup { |
1867 | char *name; |
bf5240cd |
1868 | /* |
1869 | * For help purposes, there are two kinds of command: |
1870 | * |
1871 | * - primary commands, in which `longhelp' is non-NULL. In |
1872 | * this case `shorthelp' is descriptive text, and `longhelp' |
1873 | * is longer descriptive text intended to be printed after |
1874 | * the command name. |
1875 | * |
1876 | * - alias commands, in which `longhelp' is NULL. In this case |
1877 | * `shorthelp' is the name of a primary command, which |
1878 | * contains the help that should double up for this command. |
1879 | */ |
3af97463 |
1880 | int listed; /* do we list this in primary help? */ |
bf5240cd |
1881 | char *shorthelp; |
1882 | char *longhelp; |
32874aea |
1883 | int (*obey) (struct sftp_command *); |
4c7f0d61 |
1884 | } sftp_lookup[] = { |
1885 | /* |
1886 | * List of sftp commands. This is binary-searched so it MUST be |
1887 | * in ASCII order. |
1888 | */ |
32874aea |
1889 | { |
d6cc41e6 |
1890 | "!", TRUE, "run a local command", |
3af97463 |
1891 | "<command>\n" |
d6cc41e6 |
1892 | /* FIXME: this example is crap for non-Windows. */ |
1893 | " Runs a local command. For example, \"!del myfile\".\n", |
3af97463 |
1894 | sftp_cmd_pling |
1895 | }, |
1896 | { |
1897 | "bye", TRUE, "finish your SFTP session", |
bf5240cd |
1898 | "\n" |
1899 | " Terminates your SFTP session and quits the PSFTP program.\n", |
1900 | sftp_cmd_quit |
1901 | }, |
1902 | { |
3af97463 |
1903 | "cd", TRUE, "change your remote working directory", |
c1b8799b |
1904 | " [ <new working directory> ]\n" |
bf5240cd |
1905 | " Change the remote working directory for your SFTP session.\n" |
1906 | " If a new working directory is not supplied, you will be\n" |
1907 | " returned to your home directory.\n", |
1908 | sftp_cmd_cd |
1909 | }, |
1910 | { |
3af97463 |
1911 | "chmod", TRUE, "change file permissions and modes", |
c1b8799b |
1912 | " <modes> <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1913 | " Change the file permissions on one or more remote files or\n" |
1914 | " directories.\n" |
1915 | " <modes> can be any octal Unix permission specifier.\n" |
1916 | " Alternatively, <modes> can include the following modifiers:\n" |
bf5240cd |
1917 | " u+r make file readable by owning user\n" |
1918 | " u+w make file writable by owning user\n" |
1919 | " u+x make file executable by owning user\n" |
1920 | " u-r make file not readable by owning user\n" |
1921 | " [also u-w, u-x]\n" |
1922 | " g+r make file readable by members of owning group\n" |
1923 | " [also g+w, g+x, g-r, g-w, g-x]\n" |
1924 | " o+r make file readable by all other users\n" |
1925 | " [also o+w, o+x, o-r, o-w, o-x]\n" |
1926 | " a+r make file readable by absolutely everybody\n" |
1927 | " [also a+w, a+x, a-r, a-w, a-x]\n" |
1928 | " u+s enable the Unix set-user-ID bit\n" |
1929 | " u-s disable the Unix set-user-ID bit\n" |
1930 | " g+s enable the Unix set-group-ID bit\n" |
1931 | " g-s disable the Unix set-group-ID bit\n" |
1932 | " +t enable the Unix \"sticky bit\"\n" |
1933 | " You can give more than one modifier for the same user (\"g-rwx\"), and\n" |
1934 | " more than one user for the same modifier (\"ug+w\"). You can\n" |
1935 | " use commas to separate different modifiers (\"u+rwx,g+s\").\n", |
1936 | sftp_cmd_chmod |
1937 | }, |
1938 | { |
b614ce89 |
1939 | "close", TRUE, "finish your SFTP session but do not quit PSFTP", |
1940 | "\n" |
1941 | " Terminates your SFTP session, but does not quit the PSFTP\n" |
1942 | " program. You can then use \"open\" to start another SFTP\n" |
1943 | " session, to the same server or to a different one.\n", |
1944 | sftp_cmd_close |
1945 | }, |
1946 | { |
c1b8799b |
1947 | "del", TRUE, "delete files on the remote server", |
1948 | " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1949 | " Delete a file or files from the server.\n", |
bf5240cd |
1950 | sftp_cmd_rm |
1951 | }, |
1952 | { |
3af97463 |
1953 | "delete", FALSE, "del", NULL, sftp_cmd_rm |
bf5240cd |
1954 | }, |
1955 | { |
c1b8799b |
1956 | "dir", TRUE, "list remote files", |
9033711a |
1957 | " [ <directory-name> ]/[ <wildcard> ]\n" |
bf5240cd |
1958 | " List the contents of a specified directory on the server.\n" |
1959 | " If <directory-name> is not given, the current working directory\n" |
9033711a |
1960 | " is assumed.\n" |
1961 | " If <wildcard> is given, it is treated as a set of files to\n" |
1962 | " list; otherwise, all files are listed.\n", |
bf5240cd |
1963 | sftp_cmd_ls |
1964 | }, |
1965 | { |
3af97463 |
1966 | "exit", TRUE, "bye", NULL, sftp_cmd_quit |
bf5240cd |
1967 | }, |
1968 | { |
3af97463 |
1969 | "get", TRUE, "download a file from the server to your local machine", |
9033711a |
1970 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
1971 | " Downloads a file on the server and stores it locally under\n" |
1972 | " the same name, or under a different one if you supply the\n" |
9033711a |
1973 | " argument <local-filename>.\n" |
1974 | " If -r specified, recursively fetch a directory.\n", |
bf5240cd |
1975 | sftp_cmd_get |
1976 | }, |
1977 | { |
3af97463 |
1978 | "help", TRUE, "give help", |
bf5240cd |
1979 | " [ <command> [ <command> ... ] ]\n" |
1980 | " Give general help if no commands are specified.\n" |
1981 | " If one or more commands are specified, give specific help on\n" |
1982 | " those particular commands.\n", |
1983 | sftp_cmd_help |
1984 | }, |
1985 | { |
3af97463 |
1986 | "lcd", TRUE, "change local working directory", |
1987 | " <local-directory-name>\n" |
1988 | " Change the local working directory of the PSFTP program (the\n" |
1989 | " default location where the \"get\" command will save files).\n", |
1990 | sftp_cmd_lcd |
1991 | }, |
1992 | { |
1993 | "lpwd", TRUE, "print local working directory", |
1994 | "\n" |
1995 | " Print the local working directory of the PSFTP program (the\n" |
1996 | " default location where the \"get\" command will save files).\n", |
1997 | sftp_cmd_lpwd |
1998 | }, |
1999 | { |
2000 | "ls", TRUE, "dir", NULL, |
bf5240cd |
2001 | sftp_cmd_ls |
2002 | }, |
2003 | { |
9c77ddf6 |
2004 | "mget", TRUE, "download multiple files at once", |
9033711a |
2005 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2006 | " Downloads many files from the server, storing each one under\n" |
2007 | " the same name it has on the server side. You can use wildcards\n" |
9033711a |
2008 | " such as \"*.c\" to specify lots of files at once.\n" |
2009 | " If -r specified, recursively fetch files and directories.\n", |
9c77ddf6 |
2010 | sftp_cmd_mget |
2011 | }, |
2012 | { |
c1b8799b |
2013 | "mkdir", TRUE, "create directories on the remote server", |
2014 | " <directory-name> [ <directory-name>... ]\n" |
2015 | " Creates directories with the given names on the server.\n", |
bf5240cd |
2016 | sftp_cmd_mkdir |
2017 | }, |
2018 | { |
9c77ddf6 |
2019 | "mput", TRUE, "upload multiple files at once", |
96515f61 |
2020 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2021 | " Uploads many files to the server, storing each one under the\n" |
2022 | " same name it has on the client side. You can use wildcards\n" |
9033711a |
2023 | " such as \"*.c\" to specify lots of files at once.\n" |
2024 | " If -r specified, recursively store files and directories.\n", |
9c77ddf6 |
2025 | sftp_cmd_mput |
2026 | }, |
2027 | { |
c1b8799b |
2028 | "mv", TRUE, "move or rename file(s) on the remote server", |
2029 | " <source> [ <source>... ] <destination>\n" |
2030 | " Moves or renames <source>(s) on the server to <destination>,\n" |
2031 | " also on the server.\n" |
2032 | " If <destination> specifies an existing directory, then <source>\n" |
2033 | " may be a wildcard, and multiple <source>s may be given; all\n" |
2034 | " source files are moved into <destination>.\n" |
2035 | " Otherwise, <source> must specify a single file, which is moved\n" |
2036 | " or renamed so that it is accessible under the name <destination>.\n", |
bf5240cd |
2037 | sftp_cmd_mv |
2038 | }, |
2039 | { |
3af97463 |
2040 | "open", TRUE, "connect to a host", |
f11233cb |
2041 | " [<user>@]<hostname> [<port>]\n" |
fa3db767 |
2042 | " Establishes an SFTP connection to a given host. Only usable\n" |
c1b8799b |
2043 | " when you are not already connected to a server.\n", |
fa3db767 |
2044 | sftp_cmd_open |
2045 | }, |
2046 | { |
56542985 |
2047 | "put", TRUE, "upload a file from your local machine to the server", |
9033711a |
2048 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
56542985 |
2049 | " Uploads a file to the server and stores it there under\n" |
2050 | " the same name, or under a different one if you supply the\n" |
9033711a |
2051 | " argument <remote-filename>.\n" |
2052 | " If -r specified, recursively store a directory.\n", |
56542985 |
2053 | sftp_cmd_put |
2054 | }, |
2055 | { |
3af97463 |
2056 | "pwd", TRUE, "print your remote working directory", |
4f2b387f |
2057 | "\n" |
2058 | " Print the current remote working directory for your SFTP session.\n", |
2059 | sftp_cmd_pwd |
2060 | }, |
2061 | { |
3af97463 |
2062 | "quit", TRUE, "bye", NULL, |
bf5240cd |
2063 | sftp_cmd_quit |
2064 | }, |
2065 | { |
c1b8799b |
2066 | "reget", TRUE, "continue downloading files", |
9033711a |
2067 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
2068 | " Works exactly like the \"get\" command, but the local file\n" |
2069 | " must already exist. The download will begin at the end of the\n" |
9033711a |
2070 | " file. This is for resuming a download that was interrupted.\n" |
2071 | " If -r specified, resume interrupted \"get -r\".\n", |
bf5240cd |
2072 | sftp_cmd_reget |
2073 | }, |
2074 | { |
3af97463 |
2075 | "ren", TRUE, "mv", NULL, |
bf5240cd |
2076 | sftp_cmd_mv |
2077 | }, |
2078 | { |
3af97463 |
2079 | "rename", FALSE, "mv", NULL, |
bf5240cd |
2080 | sftp_cmd_mv |
2081 | }, |
2082 | { |
c1b8799b |
2083 | "reput", TRUE, "continue uploading files", |
9033711a |
2084 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
bf5240cd |
2085 | " Works exactly like the \"put\" command, but the remote file\n" |
2086 | " must already exist. The upload will begin at the end of the\n" |
9033711a |
2087 | " file. This is for resuming an upload that was interrupted.\n" |
2088 | " If -r specified, resume interrupted \"put -r\".\n", |
bf5240cd |
2089 | sftp_cmd_reput |
2090 | }, |
2091 | { |
3af97463 |
2092 | "rm", TRUE, "del", NULL, |
bf5240cd |
2093 | sftp_cmd_rm |
2094 | }, |
2095 | { |
c1b8799b |
2096 | "rmdir", TRUE, "remove directories on the remote server", |
2097 | " <directory-name> [ <directory-name>... ]\n" |
bf5240cd |
2098 | " Removes the directory with the given name on the server.\n" |
c1b8799b |
2099 | " The directory will not be removed unless it is empty.\n" |
2100 | " Wildcards may be used to specify multiple directories.\n", |
bf5240cd |
2101 | sftp_cmd_rmdir |
2102 | } |
2103 | }; |
2104 | |
2105 | const struct sftp_cmd_lookup *lookup_command(char *name) |
2106 | { |
2107 | int i, j, k, cmp; |
2108 | |
2109 | i = -1; |
2110 | j = sizeof(sftp_lookup) / sizeof(*sftp_lookup); |
2111 | while (j - i > 1) { |
2112 | k = (j + i) / 2; |
2113 | cmp = strcmp(name, sftp_lookup[k].name); |
2114 | if (cmp < 0) |
2115 | j = k; |
2116 | else if (cmp > 0) |
2117 | i = k; |
2118 | else { |
2119 | return &sftp_lookup[k]; |
2120 | } |
2121 | } |
2122 | return NULL; |
2123 | } |
2124 | |
2125 | static int sftp_cmd_help(struct sftp_command *cmd) |
2126 | { |
2127 | int i; |
2128 | if (cmd->nwords == 1) { |
2129 | /* |
2130 | * Give short help on each command. |
2131 | */ |
2132 | int maxlen; |
2133 | maxlen = 0; |
2134 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
3af97463 |
2135 | int len; |
2136 | if (!sftp_lookup[i].listed) |
2137 | continue; |
2138 | len = strlen(sftp_lookup[i].name); |
bf5240cd |
2139 | if (maxlen < len) |
2140 | maxlen = len; |
2141 | } |
2142 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
2143 | const struct sftp_cmd_lookup *lookup; |
3af97463 |
2144 | if (!sftp_lookup[i].listed) |
2145 | continue; |
bf5240cd |
2146 | lookup = &sftp_lookup[i]; |
2147 | printf("%-*s", maxlen+2, lookup->name); |
2148 | if (lookup->longhelp == NULL) |
2149 | lookup = lookup_command(lookup->shorthelp); |
2150 | printf("%s\n", lookup->shorthelp); |
2151 | } |
2152 | } else { |
2153 | /* |
2154 | * Give long help on specific commands. |
2155 | */ |
2156 | for (i = 1; i < cmd->nwords; i++) { |
2157 | const struct sftp_cmd_lookup *lookup; |
2158 | lookup = lookup_command(cmd->words[i]); |
2159 | if (!lookup) { |
2160 | printf("help: %s: command not found\n", cmd->words[i]); |
2161 | } else { |
2162 | printf("%s", lookup->name); |
2163 | if (lookup->longhelp == NULL) |
2164 | lookup = lookup_command(lookup->shorthelp); |
2165 | printf("%s", lookup->longhelp); |
2166 | } |
2167 | } |
2168 | } |
df49ff19 |
2169 | return 1; |
bf5240cd |
2170 | } |
4c7f0d61 |
2171 | |
2172 | /* ---------------------------------------------------------------------- |
2173 | * Command line reading and parsing. |
2174 | */ |
9954aaa3 |
2175 | struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags) |
32874aea |
2176 | { |
4c7f0d61 |
2177 | char *line; |
4c7f0d61 |
2178 | struct sftp_command *cmd; |
2179 | char *p, *q, *r; |
2180 | int quoting; |
2181 | |
3d88e64d |
2182 | cmd = snew(struct sftp_command); |
4c7f0d61 |
2183 | cmd->words = NULL; |
2184 | cmd->nwords = 0; |
2185 | cmd->wordssize = 0; |
2186 | |
2187 | line = NULL; |
39934deb |
2188 | |
2189 | if (fp) { |
2190 | if (modeflags & 1) |
2191 | printf("psftp> "); |
2192 | line = fgetline(fp); |
2193 | } else { |
65857773 |
2194 | line = ssh_sftp_get_cmdline("psftp> ", back == NULL); |
4c7f0d61 |
2195 | } |
39934deb |
2196 | |
2197 | if (!line || !*line) { |
2198 | cmd->obey = sftp_cmd_quit; |
2199 | if ((mode == 0) || (modeflags & 1)) |
2200 | printf("quit\n"); |
2201 | return cmd; /* eof */ |
2202 | } |
2203 | |
2204 | line[strcspn(line, "\r\n")] = '\0'; |
2205 | |
df49ff19 |
2206 | if (modeflags & 1) { |
2207 | printf("%s\n", line); |
2208 | } |
4c7f0d61 |
2209 | |
4c7f0d61 |
2210 | p = line; |
3af97463 |
2211 | while (*p && (*p == ' ' || *p == '\t')) |
2212 | p++; |
2213 | |
2214 | if (*p == '!') { |
2215 | /* |
2216 | * Special case: the ! command. This is always parsed as |
2217 | * exactly two words: one containing the !, and the second |
2218 | * containing everything else on the line. |
2219 | */ |
2220 | cmd->nwords = cmd->wordssize = 2; |
3d88e64d |
2221 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
679539d7 |
2222 | cmd->words[0] = dupstr("!"); |
2223 | cmd->words[1] = dupstr(p+1); |
3af97463 |
2224 | } else { |
2225 | |
2226 | /* |
2227 | * Parse the command line into words. The syntax is: |
2228 | * - double quotes are removed, but cause spaces within to be |
2229 | * treated as non-separating. |
2230 | * - a double-doublequote pair is a literal double quote, inside |
2231 | * _or_ outside quotes. Like this: |
2232 | * |
2233 | * firstword "second word" "this has ""quotes"" in" and""this"" |
2234 | * |
2235 | * becomes |
2236 | * |
2237 | * >firstword< |
2238 | * >second word< |
2239 | * >this has "quotes" in< |
2240 | * >and"this"< |
2241 | */ |
4c7f0d61 |
2242 | while (*p) { |
3af97463 |
2243 | /* skip whitespace */ |
2244 | while (*p && (*p == ' ' || *p == '\t')) |
2245 | p++; |
2246 | /* mark start of word */ |
2247 | q = r = p; /* q sits at start, r writes word */ |
2248 | quoting = 0; |
2249 | while (*p) { |
2250 | if (!quoting && (*p == ' ' || *p == '\t')) |
2251 | break; /* reached end of word */ |
2252 | else if (*p == '"' && p[1] == '"') |
2253 | p += 2, *r++ = '"'; /* a literal quote */ |
2254 | else if (*p == '"') |
2255 | p++, quoting = !quoting; |
2256 | else |
2257 | *r++ = *p++; |
2258 | } |
2259 | if (*p) |
2260 | p++; /* skip over the whitespace */ |
2261 | *r = '\0'; |
2262 | if (cmd->nwords >= cmd->wordssize) { |
2263 | cmd->wordssize = cmd->nwords + 16; |
3d88e64d |
2264 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
3af97463 |
2265 | } |
679539d7 |
2266 | cmd->words[cmd->nwords++] = dupstr(q); |
4c7f0d61 |
2267 | } |
4c7f0d61 |
2268 | } |
2269 | |
39934deb |
2270 | sfree(line); |
2271 | |
4c7f0d61 |
2272 | /* |
2273 | * Now parse the first word and assign a function. |
2274 | */ |
2275 | |
2276 | if (cmd->nwords == 0) |
2277 | cmd->obey = sftp_cmd_null; |
2278 | else { |
bf5240cd |
2279 | const struct sftp_cmd_lookup *lookup; |
2280 | lookup = lookup_command(cmd->words[0]); |
2281 | if (!lookup) |
2282 | cmd->obey = sftp_cmd_unknown; |
2283 | else |
2284 | cmd->obey = lookup->obey; |
4c7f0d61 |
2285 | } |
2286 | |
2287 | return cmd; |
2288 | } |
2289 | |
774204f5 |
2290 | static int do_sftp_init(void) |
32874aea |
2291 | { |
1bc24185 |
2292 | struct sftp_packet *pktin; |
2293 | struct sftp_request *req, *rreq; |
2294 | |
4c7f0d61 |
2295 | /* |
2296 | * Do protocol initialisation. |
2297 | */ |
2298 | if (!fxp_init()) { |
2299 | fprintf(stderr, |
32874aea |
2300 | "Fatal: unable to initialise SFTP: %s\n", fxp_error()); |
774204f5 |
2301 | return 1; /* failure */ |
4c7f0d61 |
2302 | } |
2303 | |
2304 | /* |
2305 | * Find out where our home directory is. |
2306 | */ |
1bc24185 |
2307 | sftp_register(req = fxp_realpath_send(".")); |
2308 | rreq = sftp_find_request(pktin = sftp_recv()); |
2309 | assert(rreq == req); |
7b7de4f4 |
2310 | homedir = fxp_realpath_recv(pktin, rreq); |
1bc24185 |
2311 | |
4c7f0d61 |
2312 | if (!homedir) { |
2313 | fprintf(stderr, |
2314 | "Warning: failed to resolve home directory: %s\n", |
2315 | fxp_error()); |
2316 | homedir = dupstr("."); |
2317 | } else { |
2318 | printf("Remote working directory is %s\n", homedir); |
2319 | } |
2320 | pwd = dupstr(homedir); |
774204f5 |
2321 | return 0; |
fa3db767 |
2322 | } |
2323 | |
679539d7 |
2324 | void do_sftp_cleanup() |
2325 | { |
2326 | char ch; |
f11233cb |
2327 | if (back) { |
2328 | back->special(backhandle, TS_EOF); |
2329 | sftp_recvdata(&ch, 1); |
2330 | back->free(backhandle); |
2331 | sftp_cleanup_request(); |
65857773 |
2332 | back = NULL; |
2333 | backhandle = NULL; |
f11233cb |
2334 | } |
679539d7 |
2335 | if (pwd) { |
2336 | sfree(pwd); |
2337 | pwd = NULL; |
2338 | } |
2339 | if (homedir) { |
2340 | sfree(homedir); |
2341 | homedir = NULL; |
2342 | } |
2343 | } |
2344 | |
fa3db767 |
2345 | void do_sftp(int mode, int modeflags, char *batchfile) |
2346 | { |
2347 | FILE *fp; |
df49ff19 |
2348 | int ret; |
4c7f0d61 |
2349 | |
9954aaa3 |
2350 | /* |
2351 | * Batch mode? |
4c7f0d61 |
2352 | */ |
9954aaa3 |
2353 | if (mode == 0) { |
2354 | |
2355 | /* ------------------------------------------------------------------ |
2356 | * Now we're ready to do Real Stuff. |
2357 | */ |
2358 | while (1) { |
df49ff19 |
2359 | struct sftp_command *cmd; |
39934deb |
2360 | cmd = sftp_getcmd(NULL, 0, 0); |
df49ff19 |
2361 | if (!cmd) |
2362 | break; |
679539d7 |
2363 | ret = cmd->obey(cmd); |
2364 | if (cmd->words) { |
2365 | int i; |
2366 | for(i = 0; i < cmd->nwords; i++) |
2367 | sfree(cmd->words[i]); |
2368 | sfree(cmd->words); |
2369 | } |
2370 | sfree(cmd); |
2371 | if (ret < 0) |
df49ff19 |
2372 | break; |
bf5240cd |
2373 | } |
9954aaa3 |
2374 | } else { |
2375 | fp = fopen(batchfile, "r"); |
2376 | if (!fp) { |
bf5240cd |
2377 | printf("Fatal: unable to open %s\n", batchfile); |
2378 | return; |
9954aaa3 |
2379 | } |
2380 | while (1) { |
bf5240cd |
2381 | struct sftp_command *cmd; |
2382 | cmd = sftp_getcmd(fp, mode, modeflags); |
2383 | if (!cmd) |
2384 | break; |
df49ff19 |
2385 | ret = cmd->obey(cmd); |
2386 | if (ret < 0) |
bf5240cd |
2387 | break; |
df49ff19 |
2388 | if (ret == 0) { |
bf5240cd |
2389 | if (!(modeflags & 2)) |
9954aaa3 |
2390 | break; |
bf5240cd |
2391 | } |
9954aaa3 |
2392 | } |
bf5240cd |
2393 | fclose(fp); |
9954aaa3 |
2394 | |
4c7f0d61 |
2395 | } |
4a8fc3c4 |
2396 | } |
4c7f0d61 |
2397 | |
4a8fc3c4 |
2398 | /* ---------------------------------------------------------------------- |
2399 | * Dirty bits: integration with PuTTY. |
2400 | */ |
2401 | |
2402 | static int verbose = 0; |
2403 | |
7bedb13c |
2404 | /* |
4a8fc3c4 |
2405 | * Print an error message and perform a fatal exit. |
2406 | */ |
2407 | void fatalbox(char *fmt, ...) |
2408 | { |
57356d63 |
2409 | char *str, *str2; |
4a8fc3c4 |
2410 | va_list ap; |
2411 | va_start(ap, fmt); |
57356d63 |
2412 | str = dupvprintf(fmt, ap); |
2413 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2414 | sfree(str); |
4a8fc3c4 |
2415 | va_end(ap); |
57356d63 |
2416 | fputs(str2, stderr); |
2417 | sfree(str2); |
4a8fc3c4 |
2418 | |
93b581bd |
2419 | cleanup_exit(1); |
4a8fc3c4 |
2420 | } |
1709795f |
2421 | void modalfatalbox(char *fmt, ...) |
2422 | { |
57356d63 |
2423 | char *str, *str2; |
1709795f |
2424 | va_list ap; |
2425 | va_start(ap, fmt); |
57356d63 |
2426 | str = dupvprintf(fmt, ap); |
2427 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2428 | sfree(str); |
1709795f |
2429 | va_end(ap); |
57356d63 |
2430 | fputs(str2, stderr); |
2431 | sfree(str2); |
1709795f |
2432 | |
2433 | cleanup_exit(1); |
2434 | } |
a8327734 |
2435 | void connection_fatal(void *frontend, char *fmt, ...) |
4a8fc3c4 |
2436 | { |
57356d63 |
2437 | char *str, *str2; |
4a8fc3c4 |
2438 | va_list ap; |
2439 | va_start(ap, fmt); |
57356d63 |
2440 | str = dupvprintf(fmt, ap); |
2441 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2442 | sfree(str); |
4a8fc3c4 |
2443 | va_end(ap); |
57356d63 |
2444 | fputs(str2, stderr); |
2445 | sfree(str2); |
4a8fc3c4 |
2446 | |
93b581bd |
2447 | cleanup_exit(1); |
4a8fc3c4 |
2448 | } |
2449 | |
6b78788a |
2450 | void ldisc_send(void *handle, char *buf, int len, int interactive) |
32874aea |
2451 | { |
4a8fc3c4 |
2452 | /* |
2453 | * This is only here because of the calls to ldisc_send(NULL, |
2454 | * 0) in ssh.c. Nothing in PSFTP actually needs to use the |
2455 | * ldisc as an ldisc. So if we get called with any real data, I |
2456 | * want to know about it. |
4c7f0d61 |
2457 | */ |
4a8fc3c4 |
2458 | assert(len == 0); |
2459 | } |
2460 | |
2461 | /* |
c44bf5bd |
2462 | * In psftp, all agent requests should be synchronous, so this is a |
2463 | * never-called stub. |
2464 | */ |
2465 | void agent_schedule_callback(void (*callback)(void *, void *, int), |
2466 | void *callback_ctx, void *data, int len) |
2467 | { |
2468 | assert(!"We shouldn't be here"); |
2469 | } |
2470 | |
2471 | /* |
4a8fc3c4 |
2472 | * Receive a block of data from the SSH link. Block until all data |
2473 | * is available. |
2474 | * |
2475 | * To do this, we repeatedly call the SSH protocol module, with our |
2476 | * own trap in from_backend() to catch the data that comes back. We |
2477 | * do this until we have enough data. |
2478 | */ |
2479 | |
32874aea |
2480 | static unsigned char *outptr; /* where to put the data */ |
2481 | static unsigned outlen; /* how much data required */ |
4a8fc3c4 |
2482 | static unsigned char *pending = NULL; /* any spare data */ |
32874aea |
2483 | static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */ |
9fab77dc |
2484 | int from_backend(void *frontend, int is_stderr, const char *data, int datalen) |
32874aea |
2485 | { |
2486 | unsigned char *p = (unsigned char *) data; |
2487 | unsigned len = (unsigned) datalen; |
4a8fc3c4 |
2488 | |
2489 | /* |
2490 | * stderr data is just spouted to local stderr and otherwise |
2491 | * ignored. |
2492 | */ |
2493 | if (is_stderr) { |
bfa5400d |
2494 | if (len > 0) |
2495 | fwrite(data, 1, len, stderr); |
5471d09a |
2496 | return 0; |
4a8fc3c4 |
2497 | } |
2498 | |
2499 | /* |
2500 | * If this is before the real session begins, just return. |
2501 | */ |
2502 | if (!outptr) |
5471d09a |
2503 | return 0; |
4a8fc3c4 |
2504 | |
bfa5400d |
2505 | if ((outlen > 0) && (len > 0)) { |
32874aea |
2506 | unsigned used = outlen; |
2507 | if (used > len) |
2508 | used = len; |
2509 | memcpy(outptr, p, used); |
2510 | outptr += used; |
2511 | outlen -= used; |
2512 | p += used; |
2513 | len -= used; |
4a8fc3c4 |
2514 | } |
2515 | |
2516 | if (len > 0) { |
32874aea |
2517 | if (pendsize < pendlen + len) { |
2518 | pendsize = pendlen + len + 4096; |
3d88e64d |
2519 | pending = sresize(pending, pendsize, unsigned char); |
32874aea |
2520 | } |
2521 | memcpy(pending + pendlen, p, len); |
2522 | pendlen += len; |
4a8fc3c4 |
2523 | } |
5471d09a |
2524 | |
2525 | return 0; |
4a8fc3c4 |
2526 | } |
32874aea |
2527 | int sftp_recvdata(char *buf, int len) |
2528 | { |
2529 | outptr = (unsigned char *) buf; |
4a8fc3c4 |
2530 | outlen = len; |
2531 | |
2532 | /* |
2533 | * See if the pending-input block contains some of what we |
2534 | * need. |
2535 | */ |
2536 | if (pendlen > 0) { |
32874aea |
2537 | unsigned pendused = pendlen; |
2538 | if (pendused > outlen) |
2539 | pendused = outlen; |
4a8fc3c4 |
2540 | memcpy(outptr, pending, pendused); |
32874aea |
2541 | memmove(pending, pending + pendused, pendlen - pendused); |
4a8fc3c4 |
2542 | outptr += pendused; |
2543 | outlen -= pendused; |
32874aea |
2544 | pendlen -= pendused; |
2545 | if (pendlen == 0) { |
2546 | pendsize = 0; |
2547 | sfree(pending); |
2548 | pending = NULL; |
2549 | } |
2550 | if (outlen == 0) |
2551 | return 1; |
4a8fc3c4 |
2552 | } |
2553 | |
2554 | while (outlen > 0) { |
d6cc41e6 |
2555 | if (ssh_sftp_loop_iteration() < 0) |
32874aea |
2556 | return 0; /* doom */ |
4a8fc3c4 |
2557 | } |
2558 | |
2559 | return 1; |
2560 | } |
32874aea |
2561 | int sftp_senddata(char *buf, int len) |
2562 | { |
776792d7 |
2563 | back->send(backhandle, buf, len); |
4a8fc3c4 |
2564 | return 1; |
2565 | } |
2566 | |
2567 | /* |
4a8fc3c4 |
2568 | * Short description of parameters. |
2569 | */ |
2570 | static void usage(void) |
2571 | { |
2572 | printf("PuTTY Secure File Transfer (SFTP) client\n"); |
2573 | printf("%s\n", ver); |
90767715 |
2574 | printf("Usage: psftp [options] [user@]host\n"); |
4a8fc3c4 |
2575 | printf("Options:\n"); |
9954aaa3 |
2576 | printf(" -b file use specified batchfile\n"); |
2577 | printf(" -bc output batchfile commands\n"); |
2578 | printf(" -be don't stop batchfile processing if errors\n"); |
4a8fc3c4 |
2579 | printf(" -v show verbose messages\n"); |
e2a197cf |
2580 | printf(" -load sessname Load settings from saved session\n"); |
2581 | printf(" -l user connect with specified username\n"); |
4a8fc3c4 |
2582 | printf(" -P port connect to specified port\n"); |
2583 | printf(" -pw passw login with specified password\n"); |
e2a197cf |
2584 | printf(" -1 -2 force use of particular SSH protocol version\n"); |
05581745 |
2585 | printf(" -4 -6 force use of IPv4 or IPv6\n"); |
e2a197cf |
2586 | printf(" -C enable compression\n"); |
2587 | printf(" -i key private key file for authentication\n"); |
2588 | printf(" -batch disable all interactive prompts\n"); |
dc108ebc |
2589 | printf(" -V print version information\n"); |
93b581bd |
2590 | cleanup_exit(1); |
4a8fc3c4 |
2591 | } |
2592 | |
dc108ebc |
2593 | static void version(void) |
2594 | { |
2595 | printf("psftp: %s\n", ver); |
2596 | cleanup_exit(1); |
2597 | } |
2598 | |
4a8fc3c4 |
2599 | /* |
fa3db767 |
2600 | * Connect to a host. |
4a8fc3c4 |
2601 | */ |
fa3db767 |
2602 | static int psftp_connect(char *userhost, char *user, int portnumber) |
4a8fc3c4 |
2603 | { |
fa3db767 |
2604 | char *host, *realhost; |
cbe2d68f |
2605 | const char *err; |
b51259f6 |
2606 | void *logctx; |
4a8fc3c4 |
2607 | |
2608 | /* Separate host and username */ |
2609 | host = userhost; |
2610 | host = strrchr(host, '@'); |
2611 | if (host == NULL) { |
2612 | host = userhost; |
2613 | } else { |
2614 | *host++ = '\0'; |
2615 | if (user) { |
32874aea |
2616 | printf("psftp: multiple usernames specified; using \"%s\"\n", |
2617 | user); |
4a8fc3c4 |
2618 | } else |
2619 | user = userhost; |
2620 | } |
2621 | |
18e62ad8 |
2622 | /* |
2623 | * If we haven't loaded session details already (e.g., from -load), |
2624 | * try looking for a session called "host". |
2625 | */ |
2626 | if (!loaded_session) { |
2627 | /* Try to load settings for `host' into a temporary config */ |
2628 | Config cfg2; |
2629 | cfg2.host[0] = '\0'; |
2630 | do_defaults(host, &cfg2); |
2631 | if (cfg2.host[0] != '\0') { |
2632 | /* Settings present and include hostname */ |
2633 | /* Re-load data into the real config. */ |
2634 | do_defaults(host, &cfg); |
2635 | } else { |
2636 | /* Session doesn't exist or mention a hostname. */ |
2637 | /* Use `host' as a bare hostname. */ |
2638 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
2639 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
2640 | } |
2641 | } else { |
2642 | /* Patch in hostname `host' to session details. */ |
32874aea |
2643 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
2644 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
f133db8e |
2645 | } |
2646 | |
2647 | /* |
2648 | * Force use of SSH. (If they got the protocol wrong we assume the |
2649 | * port is useless too.) |
2650 | */ |
2651 | if (cfg.protocol != PROT_SSH) { |
2652 | cfg.protocol = PROT_SSH; |
2653 | cfg.port = 22; |
4a8fc3c4 |
2654 | } |
2655 | |
449925a6 |
2656 | /* |
4123fa9a |
2657 | * If saved session / Default Settings says SSH-1 (`1 only' or `1'), |
2658 | * then change it to SSH-2, on the grounds that that's more likely to |
2659 | * work for SFTP. (Can be overridden with `-1' option.) |
2660 | * But if it says `2 only' or `2', respect which. |
2661 | */ |
2662 | if (cfg.sshprot != 2 && cfg.sshprot != 3) |
2663 | cfg.sshprot = 2; |
2664 | |
2665 | /* |
c0a81592 |
2666 | * Enact command-line overrides. |
2667 | */ |
5555d393 |
2668 | cmdline_run_saved(&cfg); |
c0a81592 |
2669 | |
2670 | /* |
449925a6 |
2671 | * Trim leading whitespace off the hostname if it's there. |
2672 | */ |
2673 | { |
2674 | int space = strspn(cfg.host, " \t"); |
2675 | memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space); |
2676 | } |
2677 | |
2678 | /* See if host is of the form user@host */ |
2679 | if (cfg.host[0] != '\0') { |
5dd103a8 |
2680 | char *atsign = strrchr(cfg.host, '@'); |
449925a6 |
2681 | /* Make sure we're not overflowing the user field */ |
2682 | if (atsign) { |
2683 | if (atsign - cfg.host < sizeof cfg.username) { |
2684 | strncpy(cfg.username, cfg.host, atsign - cfg.host); |
2685 | cfg.username[atsign - cfg.host] = '\0'; |
2686 | } |
2687 | memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1)); |
2688 | } |
2689 | } |
2690 | |
2691 | /* |
2692 | * Trim a colon suffix off the hostname if it's there. |
2693 | */ |
2694 | cfg.host[strcspn(cfg.host, ":")] = '\0'; |
2695 | |
cae0c023 |
2696 | /* |
2697 | * Remove any remaining whitespace from the hostname. |
2698 | */ |
2699 | { |
2700 | int p1 = 0, p2 = 0; |
2701 | while (cfg.host[p2] != '\0') { |
2702 | if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') { |
2703 | cfg.host[p1] = cfg.host[p2]; |
2704 | p1++; |
2705 | } |
2706 | p2++; |
2707 | } |
2708 | cfg.host[p1] = '\0'; |
2709 | } |
2710 | |
4a8fc3c4 |
2711 | /* Set username */ |
2712 | if (user != NULL && user[0] != '\0') { |
32874aea |
2713 | strncpy(cfg.username, user, sizeof(cfg.username) - 1); |
2714 | cfg.username[sizeof(cfg.username) - 1] = '\0'; |
4a8fc3c4 |
2715 | } |
2716 | if (!cfg.username[0]) { |
b5af97b3 |
2717 | if (!console_get_line("login as: ", |
2718 | cfg.username, sizeof(cfg.username), FALSE)) { |
2719 | fprintf(stderr, "psftp: no username, aborting\n"); |
93b581bd |
2720 | cleanup_exit(1); |
4a8fc3c4 |
2721 | } else { |
2722 | int len = strlen(cfg.username); |
32874aea |
2723 | if (cfg.username[len - 1] == '\n') |
2724 | cfg.username[len - 1] = '\0'; |
4a8fc3c4 |
2725 | } |
2726 | } |
2727 | |
4a8fc3c4 |
2728 | if (portnumber) |
2729 | cfg.port = portnumber; |
2730 | |
d27b4a18 |
2731 | /* |
2732 | * Disable scary things which shouldn't be enabled for simple |
2733 | * things like SCP and SFTP: agent forwarding, port forwarding, |
2734 | * X forwarding. |
2735 | */ |
2736 | cfg.x11_forward = 0; |
2737 | cfg.agentfwd = 0; |
2738 | cfg.portfwd[0] = cfg.portfwd[1] = '\0'; |
2739 | |
bebf22d0 |
2740 | /* Set up subsystem name. */ |
4a8fc3c4 |
2741 | strcpy(cfg.remote_cmd, "sftp"); |
2742 | cfg.ssh_subsys = TRUE; |
2743 | cfg.nopty = TRUE; |
2744 | |
bebf22d0 |
2745 | /* |
2e85c969 |
2746 | * Set up fallback option, for SSH-1 servers or servers with the |
bebf22d0 |
2747 | * sftp subsystem not enabled but the server binary installed |
2748 | * in the usual place. We only support fallback on Unix |
248c0c5a |
2749 | * systems, and we use a kludgy piece of shellery which should |
2750 | * try to find sftp-server in various places (the obvious |
2751 | * systemwide spots /usr/lib and /usr/local/lib, and then the |
2752 | * user's PATH) and finally give up. |
bebf22d0 |
2753 | * |
248c0c5a |
2754 | * test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server |
2755 | * test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server |
2756 | * exec sftp-server |
bebf22d0 |
2757 | * |
2758 | * the idea being that this will attempt to use either of the |
2759 | * obvious pathnames and then give up, and when it does give up |
2760 | * it will print the preferred pathname in the error messages. |
2761 | */ |
2762 | cfg.remote_cmd_ptr2 = |
248c0c5a |
2763 | "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" |
2764 | "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" |
2765 | "exec sftp-server"; |
bebf22d0 |
2766 | cfg.ssh_subsys2 = FALSE; |
2767 | |
4a8fc3c4 |
2768 | back = &ssh_backend; |
2769 | |
79bf227b |
2770 | err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost, |
2771 | 0, cfg.tcp_keepalives); |
4a8fc3c4 |
2772 | if (err != NULL) { |
fa3db767 |
2773 | fprintf(stderr, "ssh_init: %s\n", err); |
4a8fc3c4 |
2774 | return 1; |
2775 | } |
c229ef97 |
2776 | logctx = log_init(NULL, &cfg); |
a8327734 |
2777 | back->provide_logctx(backhandle, logctx); |
d3fef4a5 |
2778 | console_provide_logctx(logctx); |
d6cc41e6 |
2779 | while (!back->sendok(backhandle)) { |
2780 | if (ssh_sftp_loop_iteration() < 0) { |
2781 | fprintf(stderr, "ssh_init: error during SSH connection setup\n"); |
2782 | return 1; |
2783 | } |
2784 | } |
4a8fc3c4 |
2785 | if (verbose && realhost != NULL) |
2786 | printf("Connected to %s\n", realhost); |
679539d7 |
2787 | if (realhost != NULL) |
2788 | sfree(realhost); |
fa3db767 |
2789 | return 0; |
2790 | } |
2791 | |
c0a81592 |
2792 | void cmdline_error(char *p, ...) |
2793 | { |
2794 | va_list ap; |
86256dc6 |
2795 | fprintf(stderr, "psftp: "); |
c0a81592 |
2796 | va_start(ap, p); |
2797 | vfprintf(stderr, p, ap); |
2798 | va_end(ap); |
86256dc6 |
2799 | fprintf(stderr, "\n try typing \"psftp -h\" for help\n"); |
c0a81592 |
2800 | exit(1); |
2801 | } |
2802 | |
fa3db767 |
2803 | /* |
2804 | * Main program. Parse arguments etc. |
2805 | */ |
d6cc41e6 |
2806 | int psftp_main(int argc, char *argv[]) |
fa3db767 |
2807 | { |
2808 | int i; |
2809 | int portnumber = 0; |
2810 | char *userhost, *user; |
2811 | int mode = 0; |
2812 | int modeflags = 0; |
2813 | char *batchfile = NULL; |
86256dc6 |
2814 | int errors = 0; |
fa3db767 |
2815 | |
b51259f6 |
2816 | flags = FLAG_STDERR | FLAG_INTERACTIVE |
2817 | #ifdef FLAG_SYNCAGENT |
2818 | | FLAG_SYNCAGENT |
2819 | #endif |
2820 | ; |
c0a81592 |
2821 | cmdline_tooltype = TOOLTYPE_FILETRANSFER; |
ff2ae367 |
2822 | ssh_get_line = &console_get_line; |
fa3db767 |
2823 | sk_init(); |
2824 | |
2825 | userhost = user = NULL; |
2826 | |
18e62ad8 |
2827 | /* Load Default Settings before doing anything else. */ |
2828 | do_defaults(NULL, &cfg); |
2829 | loaded_session = FALSE; |
2830 | |
86256dc6 |
2831 | errors = 0; |
fa3db767 |
2832 | for (i = 1; i < argc; i++) { |
c0a81592 |
2833 | int ret; |
fa3db767 |
2834 | if (argv[i][0] != '-') { |
c0a81592 |
2835 | if (userhost) |
2836 | usage(); |
2837 | else |
2838 | userhost = dupstr(argv[i]); |
2839 | continue; |
2840 | } |
5555d393 |
2841 | ret = cmdline_process_param(argv[i], i+1<argc?argv[i+1]:NULL, 1, &cfg); |
c0a81592 |
2842 | if (ret == -2) { |
2843 | cmdline_error("option \"%s\" requires an argument", argv[i]); |
2844 | } else if (ret == 2) { |
2845 | i++; /* skip next argument */ |
2846 | } else if (ret == 1) { |
2847 | /* We have our own verbosity in addition to `flags'. */ |
2848 | if (flags & FLAG_VERBOSE) |
2849 | verbose = 1; |
fa3db767 |
2850 | } else if (strcmp(argv[i], "-h") == 0 || |
2851 | strcmp(argv[i], "-?") == 0) { |
2852 | usage(); |
dc108ebc |
2853 | } else if (strcmp(argv[i], "-V") == 0) { |
2854 | version(); |
c0a81592 |
2855 | } else if (strcmp(argv[i], "-batch") == 0) { |
2856 | console_batch_mode = 1; |
fa3db767 |
2857 | } else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) { |
2858 | mode = 1; |
2859 | batchfile = argv[++i]; |
d13c2ee9 |
2860 | } else if (strcmp(argv[i], "-bc") == 0) { |
fa3db767 |
2861 | modeflags = modeflags | 1; |
d13c2ee9 |
2862 | } else if (strcmp(argv[i], "-be") == 0) { |
fa3db767 |
2863 | modeflags = modeflags | 2; |
2864 | } else if (strcmp(argv[i], "--") == 0) { |
2865 | i++; |
2866 | break; |
2867 | } else { |
86256dc6 |
2868 | cmdline_error("unknown option \"%s\"", argv[i]); |
fa3db767 |
2869 | } |
2870 | } |
2871 | argc -= i; |
2872 | argv += i; |
2873 | back = NULL; |
2874 | |
2875 | /* |
e1bb41d1 |
2876 | * If the loaded session provides a hostname, and a hostname has not |
2877 | * otherwise been specified, pop it in `userhost' so that |
2878 | * `psftp -load sessname' is sufficient to start a session. |
2879 | */ |
2880 | if (!userhost && cfg.host[0] != '\0') { |
2881 | userhost = dupstr(cfg.host); |
2882 | } |
2883 | |
2884 | /* |
fa3db767 |
2885 | * If a user@host string has already been provided, connect to |
2886 | * it now. |
2887 | */ |
2888 | if (userhost) { |
679539d7 |
2889 | int ret; |
2890 | ret = psftp_connect(userhost, user, portnumber); |
2891 | sfree(userhost); |
2892 | if (ret) |
fa3db767 |
2893 | return 1; |
774204f5 |
2894 | if (do_sftp_init()) |
2895 | return 1; |
fa3db767 |
2896 | } else { |
2897 | printf("psftp: no hostname specified; use \"open host.name\"" |
679539d7 |
2898 | " to connect\n"); |
fa3db767 |
2899 | } |
4c7f0d61 |
2900 | |
9954aaa3 |
2901 | do_sftp(mode, modeflags, batchfile); |
4a8fc3c4 |
2902 | |
51470298 |
2903 | if (back != NULL && back->socket(backhandle) != NULL) { |
4a8fc3c4 |
2904 | char ch; |
51470298 |
2905 | back->special(backhandle, TS_EOF); |
4a8fc3c4 |
2906 | sftp_recvdata(&ch, 1); |
2907 | } |
b614ce89 |
2908 | do_sftp_cleanup(); |
4a8fc3c4 |
2909 | random_save_seed(); |
679539d7 |
2910 | cmdline_cleanup(); |
2911 | console_provide_logctx(NULL); |
679539d7 |
2912 | sk_cleanup(); |
4a8fc3c4 |
2913 | |
4c7f0d61 |
2914 | return 0; |
2915 | } |