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 | |
e25883f8 |
131 | if (!canonname) { |
132 | /* Even that failed. Restore our best guess at the |
133 | * constructed filename and give up */ |
134 | fullname[i] = '/'; /* restore slash and last component */ |
135 | return fullname; |
136 | } |
32874aea |
137 | |
138 | /* |
139 | * We have a canonical name for all but the last path |
140 | * component. Concatenate the last component and return. |
141 | */ |
142 | returnname = dupcat(canonname, |
143 | canonname[strlen(canonname) - 1] == |
144 | '/' ? "" : "/", fullname + i + 1, NULL); |
145 | sfree(fullname); |
146 | sfree(canonname); |
147 | return returnname; |
50d7e054 |
148 | } |
4c7f0d61 |
149 | } |
150 | |
dcf8495c |
151 | /* |
152 | * Return a pointer to the portion of str that comes after the last |
153 | * slash (or backslash or colon, if `local' is TRUE). |
154 | */ |
155 | static char *stripslashes(char *str, int local) |
156 | { |
157 | char *p; |
158 | |
159 | if (local) { |
160 | p = strchr(str, ':'); |
161 | if (p) str = p+1; |
162 | } |
163 | |
164 | p = strrchr(str, '/'); |
165 | if (p) str = p+1; |
166 | |
167 | if (local) { |
168 | p = strrchr(str, '\\'); |
169 | if (p) str = p+1; |
170 | } |
171 | |
172 | return str; |
173 | } |
174 | |
4c7f0d61 |
175 | /* |
93e86a8b |
176 | * qsort comparison routine for fxp_name structures. Sorts by real |
177 | * file name. |
4c7f0d61 |
178 | */ |
93e86a8b |
179 | static int sftp_name_compare(const void *av, const void *bv) |
32874aea |
180 | { |
7d2c1789 |
181 | const struct fxp_name *const *a = (const struct fxp_name *const *) av; |
182 | const struct fxp_name *const *b = (const struct fxp_name *const *) bv; |
183 | return strcmp((*a)->filename, (*b)->filename); |
4c7f0d61 |
184 | } |
4c7f0d61 |
185 | |
186 | /* |
93e86a8b |
187 | * Likewise, but for a bare char *. |
4f2b387f |
188 | */ |
93e86a8b |
189 | static int bare_name_compare(const void *av, const void *bv) |
4f2b387f |
190 | { |
93e86a8b |
191 | const char **a = (const char **) av; |
192 | const char **b = (const char **) bv; |
193 | return strcmp(*a, *b); |
4f2b387f |
194 | } |
195 | |
38f0c08e |
196 | static void not_connected(void) |
197 | { |
198 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
199 | } |
200 | |
93e86a8b |
201 | /* ---------------------------------------------------------------------- |
202 | * The meat of the `get' and `put' commands. |
4c7f0d61 |
203 | */ |
5079ee6d |
204 | int sftp_get_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
205 | { |
4c7f0d61 |
206 | struct fxp_handle *fh; |
1bc24185 |
207 | struct sftp_packet *pktin; |
208 | struct sftp_request *req, *rreq; |
c606c42d |
209 | struct fxp_xfer *xfer; |
4c7f0d61 |
210 | uint64 offset; |
0ac1920c |
211 | WFile *file; |
479fe1ba |
212 | int ret, shown_err = FALSE; |
4c7f0d61 |
213 | |
93e86a8b |
214 | /* |
215 | * In recursive mode, see if we're dealing with a directory. |
216 | * (If we're not in recursive mode, we need not even check: the |
217 | * subsequent FXP_OPEN will return a usable error message.) |
218 | */ |
5079ee6d |
219 | if (recurse) { |
93e86a8b |
220 | struct fxp_attrs attrs; |
221 | int result; |
fa3db767 |
222 | |
5079ee6d |
223 | sftp_register(req = fxp_stat_send(fname)); |
224 | rreq = sftp_find_request(pktin = sftp_recv()); |
225 | assert(rreq == req); |
226 | result = fxp_stat_recv(pktin, rreq, &attrs); |
9c77ddf6 |
227 | |
5079ee6d |
228 | if (result && |
229 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
230 | (attrs.permissions & 0040000)) { |
93e86a8b |
231 | |
232 | struct fxp_handle *dirhandle; |
233 | int nnames, namesize; |
234 | struct fxp_name **ournames; |
235 | struct fxp_names *names; |
236 | int i; |
237 | |
238 | /* |
239 | * First, attempt to create the destination directory, |
5079ee6d |
240 | * unless it already exists. |
93e86a8b |
241 | */ |
5079ee6d |
242 | if (file_type(outfname) != FILE_TYPE_DIRECTORY && |
93e86a8b |
243 | !create_directory(outfname)) { |
244 | printf("%s: Cannot create directory\n", outfname); |
245 | return 0; |
246 | } |
4c7f0d61 |
247 | |
93e86a8b |
248 | /* |
249 | * Now get the list of filenames in the remote |
250 | * directory. |
251 | */ |
252 | sftp_register(req = fxp_opendir_send(fname)); |
253 | rreq = sftp_find_request(pktin = sftp_recv()); |
254 | assert(rreq == req); |
255 | dirhandle = fxp_opendir_recv(pktin, rreq); |
256 | |
257 | if (!dirhandle) { |
258 | printf("%s: unable to open directory: %s\n", |
259 | fname, fxp_error()); |
260 | return 0; |
261 | } |
262 | nnames = namesize = 0; |
263 | ournames = NULL; |
264 | while (1) { |
265 | int i; |
266 | |
267 | sftp_register(req = fxp_readdir_send(dirhandle)); |
268 | rreq = sftp_find_request(pktin = sftp_recv()); |
269 | assert(rreq == req); |
270 | names = fxp_readdir_recv(pktin, rreq); |
271 | |
272 | if (names == NULL) { |
273 | if (fxp_error_type() == SSH_FX_EOF) |
274 | break; |
275 | printf("%s: reading directory: %s\n", fname, fxp_error()); |
276 | sfree(ournames); |
277 | return 0; |
278 | } |
279 | if (names->nnames == 0) { |
280 | fxp_free_names(names); |
281 | break; |
282 | } |
283 | if (nnames + names->nnames >= namesize) { |
284 | namesize += names->nnames + 128; |
285 | ournames = sresize(ournames, namesize, struct fxp_name *); |
286 | } |
287 | for (i = 0; i < names->nnames; i++) |
e9d14678 |
288 | if (strcmp(names->names[i].filename, ".") && |
5079ee6d |
289 | strcmp(names->names[i].filename, "..")) { |
e9d14678 |
290 | if (!vet_filename(names->names[i].filename)) { |
291 | printf("ignoring potentially dangerous server-" |
292 | "supplied filename '%s'\n", |
293 | names->names[i].filename); |
294 | } else { |
295 | ournames[nnames++] = |
296 | fxp_dup_name(&names->names[i]); |
297 | } |
298 | } |
93e86a8b |
299 | fxp_free_names(names); |
300 | } |
301 | sftp_register(req = fxp_close_send(dirhandle)); |
302 | rreq = sftp_find_request(pktin = sftp_recv()); |
303 | assert(rreq == req); |
304 | fxp_close_recv(pktin, rreq); |
305 | |
306 | /* |
307 | * Sort the names into a clear order. This ought to |
308 | * make things more predictable when we're doing a |
309 | * reget of the same directory, just in case two |
310 | * readdirs on the same remote directory return a |
311 | * different order. |
312 | */ |
313 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
314 | |
315 | /* |
316 | * If we're in restart mode, find the last filename on |
317 | * this list that already exists. We may have to do a |
318 | * reget on _that_ file, but shouldn't have to do |
319 | * anything on the previous files. |
320 | * |
321 | * If none of them exists, of course, we start at 0. |
322 | */ |
323 | i = 0; |
324 | while (i < nnames) { |
325 | char *nextoutfname; |
326 | int ret; |
9c77ddf6 |
327 | if (outfname) |
328 | nextoutfname = dir_file_cat(outfname, |
329 | ournames[i]->filename); |
330 | else |
331 | nextoutfname = dupstr(ournames[i]->filename); |
93e86a8b |
332 | ret = (file_type(nextoutfname) == FILE_TYPE_NONEXISTENT); |
333 | sfree(nextoutfname); |
334 | if (ret) |
335 | break; |
336 | i++; |
337 | } |
338 | if (i > 0) |
339 | i--; |
340 | |
341 | /* |
342 | * Now we're ready to recurse. Starting at ournames[i] |
343 | * and continuing on to the end of the list, we |
344 | * construct a new source and target file name, and |
345 | * call sftp_get_file again. |
346 | */ |
347 | for (; i < nnames; i++) { |
348 | char *nextfname, *nextoutfname; |
349 | int ret; |
350 | |
351 | nextfname = dupcat(fname, "/", ournames[i]->filename, NULL); |
9c77ddf6 |
352 | if (outfname) |
353 | nextoutfname = dir_file_cat(outfname, |
354 | ournames[i]->filename); |
355 | else |
356 | nextoutfname = dupstr(ournames[i]->filename); |
5079ee6d |
357 | ret = sftp_get_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
358 | restart = FALSE; /* after first partial file, do full */ |
359 | sfree(nextoutfname); |
360 | sfree(nextfname); |
361 | if (!ret) { |
362 | for (i = 0; i < nnames; i++) { |
363 | fxp_free_name(ournames[i]); |
364 | } |
365 | sfree(ournames); |
366 | return 0; |
367 | } |
368 | } |
369 | |
370 | /* |
371 | * Done this recursion level. Free everything. |
372 | */ |
373 | for (i = 0; i < nnames; i++) { |
374 | fxp_free_name(ournames[i]); |
375 | } |
376 | sfree(ournames); |
377 | |
378 | return 1; |
379 | } |
4c7f0d61 |
380 | } |
4c7f0d61 |
381 | |
1bc24185 |
382 | sftp_register(req = fxp_open_send(fname, SSH_FXF_READ)); |
383 | rreq = sftp_find_request(pktin = sftp_recv()); |
384 | assert(rreq == req); |
7b7de4f4 |
385 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
386 | |
4c7f0d61 |
387 | if (!fh) { |
4dc846cd |
388 | printf("%s: open for read: %s\n", fname, fxp_error()); |
4c7f0d61 |
389 | return 0; |
390 | } |
d92624dc |
391 | |
392 | if (restart) { |
0ac1920c |
393 | file = open_existing_wfile(outfname, NULL); |
d92624dc |
394 | } else { |
0ac1920c |
395 | file = open_new_file(outfname); |
d92624dc |
396 | } |
397 | |
0ac1920c |
398 | if (!file) { |
4c7f0d61 |
399 | printf("local: unable to open %s\n", outfname); |
1bc24185 |
400 | |
401 | sftp_register(req = fxp_close_send(fh)); |
402 | rreq = sftp_find_request(pktin = sftp_recv()); |
403 | assert(rreq == req); |
7b7de4f4 |
404 | fxp_close_recv(pktin, rreq); |
1bc24185 |
405 | |
4c7f0d61 |
406 | return 0; |
407 | } |
408 | |
d92624dc |
409 | if (restart) { |
0ac1920c |
410 | char decbuf[30]; |
411 | if (seek_file(file, uint64_make(0,0) , FROM_END) == -1) { |
412 | printf("reget: cannot restart %s - file too large\n", |
413 | outfname); |
414 | sftp_register(req = fxp_close_send(fh)); |
415 | rreq = sftp_find_request(pktin = sftp_recv()); |
416 | assert(rreq == req); |
417 | fxp_close_recv(pktin, rreq); |
418 | |
419 | return 0; |
420 | } |
421 | |
422 | offset = get_file_posn(file); |
423 | uint64_decimal(offset, decbuf); |
424 | printf("reget: restarting at file position %s\n", decbuf); |
d92624dc |
425 | } else { |
426 | offset = uint64_make(0, 0); |
427 | } |
4c7f0d61 |
428 | |
d92624dc |
429 | printf("remote:%s => local:%s\n", fname, outfname); |
4c7f0d61 |
430 | |
431 | /* |
432 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
433 | * thus put up a progress bar. |
434 | */ |
df49ff19 |
435 | ret = 1; |
c606c42d |
436 | xfer = xfer_download_init(fh, offset); |
df0870fc |
437 | while (!xfer_done(xfer)) { |
c606c42d |
438 | void *vbuf; |
439 | int ret, len; |
4c7f0d61 |
440 | int wpos, wlen; |
441 | |
c606c42d |
442 | xfer_download_queue(xfer); |
443 | pktin = sftp_recv(); |
444 | ret = xfer_download_gotpkt(xfer, pktin); |
445 | |
446 | if (ret < 0) { |
479fe1ba |
447 | if (!shown_err) { |
448 | printf("error while reading: %s\n", fxp_error()); |
449 | shown_err = TRUE; |
450 | } |
c606c42d |
451 | ret = 0; |
4c7f0d61 |
452 | } |
32874aea |
453 | |
c606c42d |
454 | while (xfer_download_data(xfer, &vbuf, &len)) { |
455 | unsigned char *buf = (unsigned char *)vbuf; |
456 | |
457 | wpos = 0; |
458 | while (wpos < len) { |
0ac1920c |
459 | wlen = write_to_file(file, buf + wpos, len - wpos); |
c606c42d |
460 | if (wlen <= 0) { |
461 | printf("error while writing local file\n"); |
462 | ret = 0; |
463 | xfer_set_error(xfer); |
464 | } |
465 | wpos += wlen; |
466 | } |
467 | if (wpos < len) { /* we had an error */ |
df49ff19 |
468 | ret = 0; |
c606c42d |
469 | xfer_set_error(xfer); |
4c7f0d61 |
470 | } |
9ff4e23d |
471 | |
472 | sfree(vbuf); |
df49ff19 |
473 | } |
4c7f0d61 |
474 | } |
475 | |
c606c42d |
476 | xfer_cleanup(xfer); |
477 | |
0ac1920c |
478 | close_wfile(file); |
1bc24185 |
479 | |
480 | sftp_register(req = fxp_close_send(fh)); |
481 | rreq = sftp_find_request(pktin = sftp_recv()); |
482 | assert(rreq == req); |
7b7de4f4 |
483 | fxp_close_recv(pktin, rreq); |
1bc24185 |
484 | |
df49ff19 |
485 | return ret; |
4c7f0d61 |
486 | } |
487 | |
5079ee6d |
488 | int sftp_put_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
489 | { |
4c7f0d61 |
490 | struct fxp_handle *fh; |
df0870fc |
491 | struct fxp_xfer *xfer; |
1bc24185 |
492 | struct sftp_packet *pktin; |
493 | struct sftp_request *req, *rreq; |
4c7f0d61 |
494 | uint64 offset; |
0ac1920c |
495 | RFile *file; |
df0870fc |
496 | int ret, err, eof; |
4c7f0d61 |
497 | |
93e86a8b |
498 | /* |
499 | * In recursive mode, see if we're dealing with a directory. |
500 | * (If we're not in recursive mode, we need not even check: the |
501 | * subsequent fopen will return an error message.) |
502 | */ |
5079ee6d |
503 | if (recurse && file_type(fname) == FILE_TYPE_DIRECTORY) { |
93e86a8b |
504 | struct fxp_attrs attrs; |
505 | int result; |
506 | int nnames, namesize; |
507 | char *name, **ournames; |
508 | DirHandle *dh; |
509 | int i; |
4c7f0d61 |
510 | |
5079ee6d |
511 | /* |
512 | * First, attempt to create the destination directory, |
513 | * unless it already exists. |
514 | */ |
515 | sftp_register(req = fxp_stat_send(outfname)); |
516 | rreq = sftp_find_request(pktin = sftp_recv()); |
517 | assert(rreq == req); |
518 | result = fxp_stat_recv(pktin, rreq, &attrs); |
519 | if (!result || |
520 | !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) || |
521 | !(attrs.permissions & 0040000)) { |
522 | sftp_register(req = fxp_mkdir_send(outfname)); |
93e86a8b |
523 | rreq = sftp_find_request(pktin = sftp_recv()); |
524 | assert(rreq == req); |
5079ee6d |
525 | result = fxp_mkdir_recv(pktin, rreq); |
93e86a8b |
526 | |
5079ee6d |
527 | if (!result) { |
528 | printf("%s: create directory: %s\n", |
529 | outfname, fxp_error()); |
530 | return 0; |
93e86a8b |
531 | } |
532 | } |
533 | |
534 | /* |
535 | * Now get the list of filenames in the local directory. |
536 | */ |
93e86a8b |
537 | nnames = namesize = 0; |
538 | ournames = NULL; |
9c77ddf6 |
539 | |
5079ee6d |
540 | dh = open_directory(fname); |
541 | if (!dh) { |
542 | printf("%s: unable to open directory\n", fname); |
543 | return 0; |
9c77ddf6 |
544 | } |
5079ee6d |
545 | while ((name = read_filename(dh)) != NULL) { |
546 | if (nnames >= namesize) { |
547 | namesize += 128; |
548 | ournames = sresize(ournames, namesize, char *); |
549 | } |
550 | ournames[nnames++] = name; |
93e86a8b |
551 | } |
5079ee6d |
552 | close_directory(dh); |
93e86a8b |
553 | |
554 | /* |
555 | * Sort the names into a clear order. This ought to make |
556 | * things more predictable when we're doing a reput of the |
557 | * same directory, just in case two readdirs on the same |
558 | * local directory return a different order. |
559 | */ |
560 | qsort(ournames, nnames, sizeof(*ournames), bare_name_compare); |
561 | |
562 | /* |
563 | * If we're in restart mode, find the last filename on this |
564 | * list that already exists. We may have to do a reput on |
565 | * _that_ file, but shouldn't have to do anything on the |
566 | * previous files. |
567 | * |
568 | * If none of them exists, of course, we start at 0. |
569 | */ |
570 | i = 0; |
571 | while (i < nnames) { |
572 | char *nextoutfname; |
573 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
574 | sftp_register(req = fxp_stat_send(nextoutfname)); |
575 | rreq = sftp_find_request(pktin = sftp_recv()); |
576 | assert(rreq == req); |
577 | result = fxp_stat_recv(pktin, rreq, &attrs); |
578 | sfree(nextoutfname); |
579 | if (!result) |
580 | break; |
581 | i++; |
582 | } |
583 | if (i > 0) |
584 | i--; |
585 | |
586 | /* |
587 | * Now we're ready to recurse. Starting at ournames[i] |
588 | * and continuing on to the end of the list, we |
589 | * construct a new source and target file name, and |
590 | * call sftp_put_file again. |
591 | */ |
592 | for (; i < nnames; i++) { |
593 | char *nextfname, *nextoutfname; |
594 | int ret; |
595 | |
9c77ddf6 |
596 | if (fname) |
597 | nextfname = dir_file_cat(fname, ournames[i]); |
598 | else |
599 | nextfname = dupstr(ournames[i]); |
93e86a8b |
600 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
5079ee6d |
601 | ret = sftp_put_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
602 | restart = FALSE; /* after first partial file, do full */ |
603 | sfree(nextoutfname); |
604 | sfree(nextfname); |
605 | if (!ret) { |
606 | for (i = 0; i < nnames; i++) { |
607 | sfree(ournames[i]); |
608 | } |
609 | sfree(ournames); |
610 | return 0; |
611 | } |
612 | } |
613 | |
614 | /* |
615 | * Done this recursion level. Free everything. |
616 | */ |
617 | for (i = 0; i < nnames; i++) { |
618 | sfree(ournames[i]); |
619 | } |
620 | sfree(ournames); |
621 | |
622 | return 1; |
4c7f0d61 |
623 | } |
624 | |
0ac1920c |
625 | file = open_existing_file(fname, NULL, NULL, NULL); |
626 | if (!file) { |
4c7f0d61 |
627 | printf("local: unable to open %s\n", fname); |
4c7f0d61 |
628 | return 0; |
629 | } |
d92624dc |
630 | if (restart) { |
1bc24185 |
631 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE)); |
d92624dc |
632 | } else { |
1bc24185 |
633 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE | |
634 | SSH_FXF_CREAT | SSH_FXF_TRUNC)); |
d92624dc |
635 | } |
1bc24185 |
636 | rreq = sftp_find_request(pktin = sftp_recv()); |
637 | assert(rreq == req); |
7b7de4f4 |
638 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
639 | |
4c7f0d61 |
640 | if (!fh) { |
4dc846cd |
641 | printf("%s: open for write: %s\n", outfname, fxp_error()); |
4c7f0d61 |
642 | return 0; |
643 | } |
644 | |
d92624dc |
645 | if (restart) { |
646 | char decbuf[30]; |
647 | struct fxp_attrs attrs; |
1bc24185 |
648 | int ret; |
649 | |
650 | sftp_register(req = fxp_fstat_send(fh)); |
651 | rreq = sftp_find_request(pktin = sftp_recv()); |
652 | assert(rreq == req); |
7b7de4f4 |
653 | ret = fxp_fstat_recv(pktin, rreq, &attrs); |
1bc24185 |
654 | |
655 | if (!ret) { |
d92624dc |
656 | printf("read size of %s: %s\n", outfname, fxp_error()); |
d92624dc |
657 | return 0; |
658 | } |
659 | if (!(attrs.flags & SSH_FILEXFER_ATTR_SIZE)) { |
660 | printf("read size of %s: size was not given\n", outfname); |
d92624dc |
661 | return 0; |
662 | } |
663 | offset = attrs.size; |
664 | uint64_decimal(offset, decbuf); |
665 | printf("reput: restarting at file position %s\n", decbuf); |
0ac1920c |
666 | |
667 | if (seek_file((WFile *)file, offset, FROM_START) != 0) |
668 | seek_file((WFile *)file, uint64_make(0,0), FROM_END); /* *shrug* */ |
d92624dc |
669 | } else { |
670 | offset = uint64_make(0, 0); |
671 | } |
4c7f0d61 |
672 | |
d92624dc |
673 | printf("local:%s => remote:%s\n", fname, outfname); |
4c7f0d61 |
674 | |
675 | /* |
676 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
677 | * thus put up a progress bar. |
678 | */ |
df49ff19 |
679 | ret = 1; |
df0870fc |
680 | xfer = xfer_upload_init(fh, offset); |
681 | err = eof = 0; |
682 | while ((!err && !eof) || !xfer_done(xfer)) { |
4c7f0d61 |
683 | char buffer[4096]; |
1bc24185 |
684 | int len, ret; |
4c7f0d61 |
685 | |
df0870fc |
686 | while (xfer_upload_ready(xfer) && !err && !eof) { |
0ac1920c |
687 | len = read_from_file(file, buffer, sizeof(buffer)); |
df0870fc |
688 | if (len == -1) { |
689 | printf("error while reading local file\n"); |
690 | err = 1; |
691 | } else if (len == 0) { |
692 | eof = 1; |
693 | } else { |
694 | xfer_upload_data(xfer, buffer, len); |
695 | } |
4c7f0d61 |
696 | } |
1bc24185 |
697 | |
2dbd915a |
698 | if (!xfer_done(xfer)) { |
699 | pktin = sftp_recv(); |
700 | ret = xfer_upload_gotpkt(xfer, pktin); |
701 | if (!ret) { |
702 | printf("error while writing: %s\n", fxp_error()); |
703 | err = 1; |
704 | } |
4c7f0d61 |
705 | } |
4c7f0d61 |
706 | } |
707 | |
df0870fc |
708 | xfer_cleanup(xfer); |
709 | |
1bc24185 |
710 | sftp_register(req = fxp_close_send(fh)); |
711 | rreq = sftp_find_request(pktin = sftp_recv()); |
712 | assert(rreq == req); |
7b7de4f4 |
713 | fxp_close_recv(pktin, rreq); |
1bc24185 |
714 | |
0ac1920c |
715 | close_rfile(file); |
93e86a8b |
716 | |
717 | return ret; |
718 | } |
719 | |
720 | /* ---------------------------------------------------------------------- |
5079ee6d |
721 | * A remote wildcard matcher, providing a similar interface to the |
722 | * local one in psftp.h. |
723 | */ |
724 | |
725 | typedef struct SftpWildcardMatcher { |
726 | struct fxp_handle *dirh; |
727 | struct fxp_names *names; |
728 | int namepos; |
729 | char *wildcard, *prefix; |
730 | } SftpWildcardMatcher; |
731 | |
732 | SftpWildcardMatcher *sftp_begin_wildcard_matching(char *name) |
733 | { |
734 | struct sftp_packet *pktin; |
735 | struct sftp_request *req, *rreq; |
736 | char *wildcard; |
737 | char *unwcdir, *tmpdir, *cdir; |
738 | int len, check; |
739 | SftpWildcardMatcher *swcm; |
740 | struct fxp_handle *dirh; |
741 | |
742 | /* |
743 | * We don't handle multi-level wildcards; so we expect to find |
744 | * a fully specified directory part, followed by a wildcard |
745 | * after that. |
746 | */ |
747 | wildcard = stripslashes(name, 0); |
748 | |
749 | unwcdir = dupstr(name); |
750 | len = wildcard - name; |
751 | unwcdir[len] = '\0'; |
752 | if (len > 0 && unwcdir[len-1] == '/') |
753 | unwcdir[len-1] = '\0'; |
754 | tmpdir = snewn(1 + len, char); |
755 | check = wc_unescape(tmpdir, unwcdir); |
756 | sfree(tmpdir); |
757 | |
758 | if (!check) { |
759 | printf("Multiple-level wildcards are not supported\n"); |
760 | sfree(unwcdir); |
761 | return NULL; |
762 | } |
763 | |
764 | cdir = canonify(unwcdir); |
765 | |
766 | sftp_register(req = fxp_opendir_send(cdir)); |
767 | rreq = sftp_find_request(pktin = sftp_recv()); |
768 | assert(rreq == req); |
769 | dirh = fxp_opendir_recv(pktin, rreq); |
770 | |
771 | if (dirh) { |
772 | swcm = snew(SftpWildcardMatcher); |
773 | swcm->dirh = dirh; |
774 | swcm->names = NULL; |
775 | swcm->wildcard = dupstr(wildcard); |
776 | swcm->prefix = unwcdir; |
777 | } else { |
778 | printf("Unable to open %s: %s\n", cdir, fxp_error()); |
779 | swcm = NULL; |
780 | sfree(unwcdir); |
781 | } |
782 | |
783 | sfree(cdir); |
784 | |
785 | return swcm; |
786 | } |
787 | |
788 | char *sftp_wildcard_get_filename(SftpWildcardMatcher *swcm) |
789 | { |
790 | struct fxp_name *name; |
791 | struct sftp_packet *pktin; |
792 | struct sftp_request *req, *rreq; |
793 | |
794 | while (1) { |
795 | if (swcm->names && swcm->namepos >= swcm->names->nnames) { |
796 | fxp_free_names(swcm->names); |
797 | swcm->names = NULL; |
798 | } |
799 | |
800 | if (!swcm->names) { |
801 | sftp_register(req = fxp_readdir_send(swcm->dirh)); |
802 | rreq = sftp_find_request(pktin = sftp_recv()); |
803 | assert(rreq == req); |
804 | swcm->names = fxp_readdir_recv(pktin, rreq); |
805 | |
806 | if (!swcm->names) { |
807 | if (fxp_error_type() != SSH_FX_EOF) |
808 | printf("%s: reading directory: %s\n", swcm->prefix, |
809 | fxp_error()); |
810 | return NULL; |
811 | } |
812 | |
813 | swcm->namepos = 0; |
814 | } |
815 | |
816 | assert(swcm->names && swcm->namepos < swcm->names->nnames); |
817 | |
818 | name = &swcm->names->names[swcm->namepos++]; |
819 | |
820 | if (!strcmp(name->filename, ".") || !strcmp(name->filename, "..")) |
821 | continue; /* expected bad filenames */ |
822 | |
823 | if (!vet_filename(name->filename)) { |
824 | printf("ignoring potentially dangerous server-" |
825 | "supplied filename '%s'\n", name->filename); |
826 | continue; /* unexpected bad filename */ |
827 | } |
828 | |
829 | if (!wc_match(swcm->wildcard, name->filename)) |
830 | continue; /* doesn't match the wildcard */ |
831 | |
832 | /* |
833 | * We have a working filename. Return it. |
834 | */ |
835 | return dupprintf("%s%s%s", swcm->prefix, |
83567e43 |
836 | (!swcm->prefix[0] || |
837 | swcm->prefix[strlen(swcm->prefix)-1]=='/' ? |
838 | "" : "/"), |
5079ee6d |
839 | name->filename); |
840 | } |
841 | } |
842 | |
843 | void sftp_finish_wildcard_matching(SftpWildcardMatcher *swcm) |
844 | { |
845 | struct sftp_packet *pktin; |
846 | struct sftp_request *req, *rreq; |
847 | |
848 | sftp_register(req = fxp_close_send(swcm->dirh)); |
849 | rreq = sftp_find_request(pktin = sftp_recv()); |
850 | assert(rreq == req); |
851 | fxp_close_recv(pktin, rreq); |
852 | |
853 | if (swcm->names) |
854 | fxp_free_names(swcm->names); |
855 | |
856 | sfree(swcm->prefix); |
857 | sfree(swcm->wildcard); |
858 | |
859 | sfree(swcm); |
860 | } |
861 | |
83567e43 |
862 | /* |
863 | * General function to match a potential wildcard in a filename |
864 | * argument and iterate over every matching file. Used in several |
865 | * PSFTP commands (rmdir, rm, chmod, mv). |
866 | */ |
867 | int wildcard_iterate(char *filename, int (*func)(void *, char *), void *ctx) |
868 | { |
869 | char *unwcfname, *newname, *cname; |
870 | int is_wc, ret; |
871 | |
872 | unwcfname = snewn(strlen(filename)+1, char); |
873 | is_wc = !wc_unescape(unwcfname, filename); |
874 | |
875 | if (is_wc) { |
876 | SftpWildcardMatcher *swcm = sftp_begin_wildcard_matching(filename); |
877 | int matched = FALSE; |
878 | sfree(unwcfname); |
879 | |
880 | if (!swcm) |
881 | return 0; |
882 | |
883 | ret = 1; |
884 | |
885 | while ( (newname = sftp_wildcard_get_filename(swcm)) != NULL ) { |
886 | cname = canonify(newname); |
887 | if (!cname) { |
4dc846cd |
888 | printf("%s: canonify: %s\n", newname, fxp_error()); |
83567e43 |
889 | ret = 0; |
890 | } |
891 | matched = TRUE; |
892 | ret &= func(ctx, cname); |
893 | sfree(cname); |
894 | } |
895 | |
896 | if (!matched) { |
897 | /* Politely warn the user that nothing matched. */ |
898 | printf("%s: nothing matched\n", filename); |
899 | } |
900 | |
901 | sftp_finish_wildcard_matching(swcm); |
902 | } else { |
903 | cname = canonify(unwcfname); |
904 | if (!cname) { |
4dc846cd |
905 | printf("%s: canonify: %s\n", filename, fxp_error()); |
83567e43 |
906 | ret = 0; |
907 | } |
908 | ret = func(ctx, cname); |
909 | sfree(cname); |
910 | sfree(unwcfname); |
911 | } |
912 | |
913 | return ret; |
914 | } |
915 | |
916 | /* |
917 | * Handy helper function. |
918 | */ |
919 | int is_wildcard(char *name) |
920 | { |
921 | char *unwcfname = snewn(strlen(name)+1, char); |
922 | int is_wc = !wc_unescape(unwcfname, name); |
923 | sfree(unwcfname); |
924 | return is_wc; |
925 | } |
926 | |
5079ee6d |
927 | /* ---------------------------------------------------------------------- |
93e86a8b |
928 | * Actual sftp commands. |
929 | */ |
930 | struct sftp_command { |
931 | char **words; |
932 | int nwords, wordssize; |
933 | int (*obey) (struct sftp_command *); /* returns <0 to quit */ |
934 | }; |
935 | |
936 | int sftp_cmd_null(struct sftp_command *cmd) |
937 | { |
938 | return 1; /* success */ |
939 | } |
940 | |
941 | int sftp_cmd_unknown(struct sftp_command *cmd) |
942 | { |
943 | printf("psftp: unknown command \"%s\"\n", cmd->words[0]); |
944 | return 0; /* failure */ |
945 | } |
946 | |
947 | int sftp_cmd_quit(struct sftp_command *cmd) |
948 | { |
949 | return -1; |
950 | } |
951 | |
b614ce89 |
952 | int sftp_cmd_close(struct sftp_command *cmd) |
953 | { |
954 | if (back == NULL) { |
38f0c08e |
955 | not_connected(); |
b614ce89 |
956 | return 0; |
957 | } |
958 | |
6226c939 |
959 | if (back != NULL && back->connected(backhandle)) { |
b614ce89 |
960 | char ch; |
961 | back->special(backhandle, TS_EOF); |
962 | sftp_recvdata(&ch, 1); |
963 | } |
964 | do_sftp_cleanup(); |
965 | |
966 | return 0; |
967 | } |
968 | |
93e86a8b |
969 | /* |
970 | * List a directory. If no arguments are given, list pwd; otherwise |
971 | * list the directory given in words[1]. |
972 | */ |
973 | int sftp_cmd_ls(struct sftp_command *cmd) |
974 | { |
975 | struct fxp_handle *dirh; |
976 | struct fxp_names *names; |
977 | struct fxp_name **ournames; |
978 | int nnames, namesize; |
3394416c |
979 | char *dir, *cdir, *unwcdir, *wildcard; |
93e86a8b |
980 | struct sftp_packet *pktin; |
981 | struct sftp_request *req, *rreq; |
982 | int i; |
983 | |
984 | if (back == NULL) { |
38f0c08e |
985 | not_connected(); |
93e86a8b |
986 | return 0; |
987 | } |
988 | |
989 | if (cmd->nwords < 2) |
990 | dir = "."; |
991 | else |
992 | dir = cmd->words[1]; |
993 | |
3394416c |
994 | unwcdir = snewn(1 + strlen(dir), char); |
995 | if (wc_unescape(unwcdir, dir)) { |
996 | dir = unwcdir; |
997 | wildcard = NULL; |
998 | } else { |
999 | char *tmpdir; |
1000 | int len, check; |
1001 | |
1002 | wildcard = stripslashes(dir, 0); |
1003 | unwcdir = dupstr(dir); |
1004 | len = wildcard - dir; |
1005 | unwcdir[len] = '\0'; |
1006 | if (len > 0 && unwcdir[len-1] == '/') |
1007 | unwcdir[len-1] = '\0'; |
1008 | tmpdir = snewn(1 + len, char); |
1009 | check = wc_unescape(tmpdir, unwcdir); |
1010 | sfree(tmpdir); |
1011 | if (!check) { |
1012 | printf("Multiple-level wildcards are not supported\n"); |
1013 | sfree(unwcdir); |
1014 | return 0; |
1015 | } |
1016 | dir = unwcdir; |
1017 | } |
1018 | |
93e86a8b |
1019 | cdir = canonify(dir); |
1020 | if (!cdir) { |
4dc846cd |
1021 | printf("%s: canonify: %s\n", dir, fxp_error()); |
3394416c |
1022 | sfree(unwcdir); |
93e86a8b |
1023 | return 0; |
1024 | } |
1025 | |
1026 | printf("Listing directory %s\n", cdir); |
1027 | |
1028 | sftp_register(req = fxp_opendir_send(cdir)); |
1029 | rreq = sftp_find_request(pktin = sftp_recv()); |
1030 | assert(rreq == req); |
1031 | dirh = fxp_opendir_recv(pktin, rreq); |
1032 | |
1033 | if (dirh == NULL) { |
1034 | printf("Unable to open %s: %s\n", dir, fxp_error()); |
1035 | } else { |
1036 | nnames = namesize = 0; |
1037 | ournames = NULL; |
1038 | |
1039 | while (1) { |
1040 | |
1041 | sftp_register(req = fxp_readdir_send(dirh)); |
1042 | rreq = sftp_find_request(pktin = sftp_recv()); |
1043 | assert(rreq == req); |
1044 | names = fxp_readdir_recv(pktin, rreq); |
1045 | |
1046 | if (names == NULL) { |
1047 | if (fxp_error_type() == SSH_FX_EOF) |
1048 | break; |
1049 | printf("Reading directory %s: %s\n", dir, fxp_error()); |
1050 | break; |
1051 | } |
1052 | if (names->nnames == 0) { |
1053 | fxp_free_names(names); |
1054 | break; |
1055 | } |
1056 | |
1057 | if (nnames + names->nnames >= namesize) { |
1058 | namesize += names->nnames + 128; |
1059 | ournames = sresize(ournames, namesize, struct fxp_name *); |
1060 | } |
1061 | |
1062 | for (i = 0; i < names->nnames; i++) |
3394416c |
1063 | if (!wildcard || wc_match(wildcard, names->names[i].filename)) |
1064 | ournames[nnames++] = fxp_dup_name(&names->names[i]); |
93e86a8b |
1065 | |
1066 | fxp_free_names(names); |
1067 | } |
1068 | sftp_register(req = fxp_close_send(dirh)); |
1069 | rreq = sftp_find_request(pktin = sftp_recv()); |
1070 | assert(rreq == req); |
1071 | fxp_close_recv(pktin, rreq); |
1072 | |
1073 | /* |
1074 | * Now we have our filenames. Sort them by actual file |
1075 | * name, and then output the longname parts. |
1076 | */ |
1077 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
1078 | |
1079 | /* |
1080 | * And print them. |
1081 | */ |
1082 | for (i = 0; i < nnames; i++) { |
1083 | printf("%s\n", ournames[i]->longname); |
1084 | fxp_free_name(ournames[i]); |
1085 | } |
1086 | sfree(ournames); |
1087 | } |
1088 | |
1089 | sfree(cdir); |
3394416c |
1090 | sfree(unwcdir); |
93e86a8b |
1091 | |
1092 | return 1; |
1093 | } |
1094 | |
1095 | /* |
1096 | * Change directories. We do this by canonifying the new name, then |
1097 | * trying to OPENDIR it. Only if that succeeds do we set the new pwd. |
1098 | */ |
1099 | int sftp_cmd_cd(struct sftp_command *cmd) |
1100 | { |
1101 | struct fxp_handle *dirh; |
1102 | struct sftp_packet *pktin; |
1103 | struct sftp_request *req, *rreq; |
1104 | char *dir; |
1105 | |
1106 | if (back == NULL) { |
38f0c08e |
1107 | not_connected(); |
93e86a8b |
1108 | return 0; |
1109 | } |
1110 | |
1111 | if (cmd->nwords < 2) |
1112 | dir = dupstr(homedir); |
1113 | else |
1114 | dir = canonify(cmd->words[1]); |
1115 | |
1116 | if (!dir) { |
4dc846cd |
1117 | printf("%s: canonify: %s\n", dir, fxp_error()); |
93e86a8b |
1118 | return 0; |
1119 | } |
1120 | |
1121 | sftp_register(req = fxp_opendir_send(dir)); |
1122 | rreq = sftp_find_request(pktin = sftp_recv()); |
1123 | assert(rreq == req); |
1124 | dirh = fxp_opendir_recv(pktin, rreq); |
1125 | |
1126 | if (!dirh) { |
1127 | printf("Directory %s: %s\n", dir, fxp_error()); |
1128 | sfree(dir); |
1129 | return 0; |
1130 | } |
1131 | |
1132 | sftp_register(req = fxp_close_send(dirh)); |
1133 | rreq = sftp_find_request(pktin = sftp_recv()); |
1134 | assert(rreq == req); |
1135 | fxp_close_recv(pktin, rreq); |
1136 | |
1137 | sfree(pwd); |
1138 | pwd = dir; |
1139 | printf("Remote directory is now %s\n", pwd); |
1140 | |
1141 | return 1; |
1142 | } |
1143 | |
1144 | /* |
1145 | * Print current directory. Easy as pie. |
1146 | */ |
1147 | int sftp_cmd_pwd(struct sftp_command *cmd) |
1148 | { |
1149 | if (back == NULL) { |
38f0c08e |
1150 | not_connected(); |
93e86a8b |
1151 | return 0; |
1152 | } |
1153 | |
1154 | printf("Remote directory is %s\n", pwd); |
1155 | return 1; |
1156 | } |
1157 | |
1158 | /* |
9c77ddf6 |
1159 | * Get a file and save it at the local end. We have three very |
1160 | * similar commands here. The basic one is `get'; `reget' differs |
1161 | * in that it checks for the existence of the destination file and |
1162 | * starts from where a previous aborted transfer left off; `mget' |
1163 | * differs in that it interprets all its arguments as files to |
1164 | * transfer (never as a different local name for a remote file) and |
1165 | * can handle wildcards. |
93e86a8b |
1166 | */ |
9c77ddf6 |
1167 | int sftp_general_get(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1168 | { |
5079ee6d |
1169 | char *fname, *unwcfname, *origfname, *origwfname, *outfname; |
93e86a8b |
1170 | int i, ret; |
1171 | int recurse = FALSE; |
1172 | |
1173 | if (back == NULL) { |
38f0c08e |
1174 | not_connected(); |
93e86a8b |
1175 | return 0; |
1176 | } |
1177 | |
1178 | i = 1; |
1179 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1180 | if (!strcmp(cmd->words[i], "--")) { |
1181 | /* finish processing options */ |
1182 | i++; |
1183 | break; |
1184 | } else if (!strcmp(cmd->words[i], "-r")) { |
1185 | recurse = TRUE; |
1186 | } else { |
9033711a |
1187 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1188 | return 0; |
1189 | } |
1190 | i++; |
1191 | } |
1192 | |
1193 | if (i >= cmd->nwords) { |
9033711a |
1194 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1195 | return 0; |
1196 | } |
1197 | |
5079ee6d |
1198 | ret = 1; |
9c77ddf6 |
1199 | do { |
5079ee6d |
1200 | SftpWildcardMatcher *swcm; |
1201 | |
9c77ddf6 |
1202 | origfname = cmd->words[i++]; |
5079ee6d |
1203 | unwcfname = snewn(strlen(origfname)+1, char); |
93e86a8b |
1204 | |
5079ee6d |
1205 | if (multiple && !wc_unescape(unwcfname, origfname)) { |
1206 | swcm = sftp_begin_wildcard_matching(origfname); |
1207 | if (!swcm) { |
1208 | sfree(unwcfname); |
1209 | continue; |
1210 | } |
1211 | origwfname = sftp_wildcard_get_filename(swcm); |
1212 | if (!origwfname) { |
1213 | /* Politely warn the user that nothing matched. */ |
1214 | printf("%s: nothing matched\n", origfname); |
1215 | sftp_finish_wildcard_matching(swcm); |
1216 | sfree(unwcfname); |
1217 | continue; |
1218 | } |
9c77ddf6 |
1219 | } else { |
5079ee6d |
1220 | origwfname = origfname; |
1221 | swcm = NULL; |
1222 | } |
1223 | |
1224 | while (origwfname) { |
1225 | fname = canonify(origwfname); |
1226 | |
9c77ddf6 |
1227 | if (!fname) { |
4dc846cd |
1228 | printf("%s: canonify: %s\n", origwfname, fxp_error()); |
9c77ddf6 |
1229 | sfree(unwcfname); |
1230 | return 0; |
1231 | } |
93e86a8b |
1232 | |
9c77ddf6 |
1233 | if (!multiple && i < cmd->nwords) |
1234 | outfname = cmd->words[i++]; |
1235 | else |
5079ee6d |
1236 | outfname = stripslashes(origwfname, 0); |
93e86a8b |
1237 | |
5079ee6d |
1238 | ret = sftp_get_file(fname, outfname, recurse, restart); |
9c77ddf6 |
1239 | |
1240 | sfree(fname); |
5079ee6d |
1241 | |
1242 | if (swcm) { |
1243 | sfree(origwfname); |
1244 | origwfname = sftp_wildcard_get_filename(swcm); |
1245 | } else { |
1246 | origwfname = NULL; |
1247 | } |
9c77ddf6 |
1248 | } |
1249 | sfree(unwcfname); |
5079ee6d |
1250 | if (swcm) |
1251 | sftp_finish_wildcard_matching(swcm); |
9c77ddf6 |
1252 | if (!ret) |
1253 | return ret; |
1254 | |
1255 | } while (multiple && i < cmd->nwords); |
93e86a8b |
1256 | |
1257 | return ret; |
1258 | } |
1259 | int sftp_cmd_get(struct sftp_command *cmd) |
1260 | { |
9c77ddf6 |
1261 | return sftp_general_get(cmd, 0, 0); |
1262 | } |
1263 | int sftp_cmd_mget(struct sftp_command *cmd) |
1264 | { |
1265 | return sftp_general_get(cmd, 0, 1); |
93e86a8b |
1266 | } |
1267 | int sftp_cmd_reget(struct sftp_command *cmd) |
1268 | { |
9c77ddf6 |
1269 | return sftp_general_get(cmd, 1, 0); |
93e86a8b |
1270 | } |
1271 | |
1272 | /* |
9c77ddf6 |
1273 | * Send a file and store it at the remote end. We have three very |
1274 | * similar commands here. The basic one is `put'; `reput' differs |
1275 | * in that it checks for the existence of the destination file and |
1276 | * starts from where a previous aborted transfer left off; `mput' |
1277 | * differs in that it interprets all its arguments as files to |
1278 | * transfer (never as a different remote name for a local file) and |
1279 | * can handle wildcards. |
93e86a8b |
1280 | */ |
9c77ddf6 |
1281 | int sftp_general_put(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1282 | { |
5079ee6d |
1283 | char *fname, *wfname, *origoutfname, *outfname; |
93e86a8b |
1284 | int i, ret; |
1285 | int recurse = FALSE; |
1286 | |
1287 | if (back == NULL) { |
38f0c08e |
1288 | not_connected(); |
93e86a8b |
1289 | return 0; |
1290 | } |
1291 | |
1292 | i = 1; |
1293 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1294 | if (!strcmp(cmd->words[i], "--")) { |
1295 | /* finish processing options */ |
1296 | i++; |
1297 | break; |
1298 | } else if (!strcmp(cmd->words[i], "-r")) { |
1299 | recurse = TRUE; |
1300 | } else { |
9033711a |
1301 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1302 | return 0; |
1303 | } |
1304 | i++; |
1305 | } |
1306 | |
1307 | if (i >= cmd->nwords) { |
9033711a |
1308 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1309 | return 0; |
1310 | } |
1311 | |
5079ee6d |
1312 | ret = 1; |
9c77ddf6 |
1313 | do { |
5079ee6d |
1314 | WildcardMatcher *wcm; |
9c77ddf6 |
1315 | fname = cmd->words[i++]; |
93e86a8b |
1316 | |
9c77ddf6 |
1317 | if (multiple && test_wildcard(fname, FALSE) == WCTYPE_WILDCARD) { |
5079ee6d |
1318 | wcm = begin_wildcard_matching(fname); |
1319 | wfname = wildcard_get_filename(wcm); |
1320 | if (!wfname) { |
1321 | /* Politely warn the user that nothing matched. */ |
1322 | printf("%s: nothing matched\n", fname); |
1323 | finish_wildcard_matching(wcm); |
1324 | continue; |
1325 | } |
9c77ddf6 |
1326 | } else { |
5079ee6d |
1327 | wfname = fname; |
1328 | wcm = NULL; |
1329 | } |
1330 | |
1331 | while (wfname) { |
9c77ddf6 |
1332 | if (!multiple && i < cmd->nwords) |
1333 | origoutfname = cmd->words[i++]; |
1334 | else |
5079ee6d |
1335 | origoutfname = stripslashes(wfname, 1); |
9c77ddf6 |
1336 | |
1337 | outfname = canonify(origoutfname); |
1338 | if (!outfname) { |
4dc846cd |
1339 | printf("%s: canonify: %s\n", origoutfname, fxp_error()); |
5079ee6d |
1340 | if (wcm) { |
1341 | sfree(wfname); |
1342 | finish_wildcard_matching(wcm); |
1343 | } |
9c77ddf6 |
1344 | return 0; |
1345 | } |
5079ee6d |
1346 | ret = sftp_put_file(wfname, outfname, recurse, restart); |
9c77ddf6 |
1347 | sfree(outfname); |
5079ee6d |
1348 | |
1349 | if (wcm) { |
1350 | sfree(wfname); |
1351 | wfname = wildcard_get_filename(wcm); |
1352 | } else { |
1353 | wfname = NULL; |
1354 | } |
9c77ddf6 |
1355 | } |
5079ee6d |
1356 | |
1357 | if (wcm) |
1358 | finish_wildcard_matching(wcm); |
1359 | |
9c77ddf6 |
1360 | if (!ret) |
1361 | return ret; |
93e86a8b |
1362 | |
9c77ddf6 |
1363 | } while (multiple && i < cmd->nwords); |
4c7f0d61 |
1364 | |
df49ff19 |
1365 | return ret; |
4c7f0d61 |
1366 | } |
d92624dc |
1367 | int sftp_cmd_put(struct sftp_command *cmd) |
1368 | { |
9c77ddf6 |
1369 | return sftp_general_put(cmd, 0, 0); |
1370 | } |
1371 | int sftp_cmd_mput(struct sftp_command *cmd) |
1372 | { |
1373 | return sftp_general_put(cmd, 0, 1); |
d92624dc |
1374 | } |
1375 | int sftp_cmd_reput(struct sftp_command *cmd) |
1376 | { |
9c77ddf6 |
1377 | return sftp_general_put(cmd, 1, 0); |
d92624dc |
1378 | } |
4c7f0d61 |
1379 | |
9954aaa3 |
1380 | int sftp_cmd_mkdir(struct sftp_command *cmd) |
1381 | { |
1382 | char *dir; |
1bc24185 |
1383 | struct sftp_packet *pktin; |
1384 | struct sftp_request *req, *rreq; |
9954aaa3 |
1385 | int result; |
83567e43 |
1386 | int i, ret; |
9954aaa3 |
1387 | |
fa3db767 |
1388 | if (back == NULL) { |
38f0c08e |
1389 | not_connected(); |
fa3db767 |
1390 | return 0; |
1391 | } |
9954aaa3 |
1392 | |
1393 | if (cmd->nwords < 2) { |
1394 | printf("mkdir: expects a directory\n"); |
1395 | return 0; |
1396 | } |
1397 | |
83567e43 |
1398 | ret = 1; |
1399 | for (i = 1; i < cmd->nwords; i++) { |
1400 | dir = canonify(cmd->words[i]); |
1401 | if (!dir) { |
4dc846cd |
1402 | printf("%s: canonify: %s\n", dir, fxp_error()); |
83567e43 |
1403 | return 0; |
1404 | } |
1405 | |
1406 | sftp_register(req = fxp_mkdir_send(dir)); |
1407 | rreq = sftp_find_request(pktin = sftp_recv()); |
1408 | assert(rreq == req); |
1409 | result = fxp_mkdir_recv(pktin, rreq); |
1410 | |
1411 | if (!result) { |
1412 | printf("mkdir %s: %s\n", dir, fxp_error()); |
83567e43 |
1413 | ret = 0; |
f68363d2 |
1414 | } else |
1415 | printf("mkdir %s: OK\n", dir); |
83567e43 |
1416 | |
1417 | sfree(dir); |
9954aaa3 |
1418 | } |
1419 | |
83567e43 |
1420 | return ret; |
1421 | } |
1422 | |
1423 | static int sftp_action_rmdir(void *vctx, char *dir) |
1424 | { |
1425 | struct sftp_packet *pktin; |
1426 | struct sftp_request *req, *rreq; |
1427 | int result; |
1428 | |
1429 | sftp_register(req = fxp_rmdir_send(dir)); |
1bc24185 |
1430 | rreq = sftp_find_request(pktin = sftp_recv()); |
1431 | assert(rreq == req); |
83567e43 |
1432 | result = fxp_rmdir_recv(pktin, rreq); |
1bc24185 |
1433 | |
9954aaa3 |
1434 | if (!result) { |
83567e43 |
1435 | printf("rmdir %s: %s\n", dir, fxp_error()); |
9954aaa3 |
1436 | return 0; |
1437 | } |
1438 | |
f68363d2 |
1439 | printf("rmdir %s: OK\n", dir); |
1440 | |
df49ff19 |
1441 | return 1; |
9954aaa3 |
1442 | } |
1443 | |
1444 | int sftp_cmd_rmdir(struct sftp_command *cmd) |
1445 | { |
83567e43 |
1446 | int i, ret; |
9954aaa3 |
1447 | |
fa3db767 |
1448 | if (back == NULL) { |
38f0c08e |
1449 | not_connected(); |
fa3db767 |
1450 | return 0; |
1451 | } |
9954aaa3 |
1452 | |
1453 | if (cmd->nwords < 2) { |
1454 | printf("rmdir: expects a directory\n"); |
1455 | return 0; |
1456 | } |
1457 | |
83567e43 |
1458 | ret = 1; |
1459 | for (i = 1; i < cmd->nwords; i++) |
1460 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rmdir, NULL); |
9954aaa3 |
1461 | |
83567e43 |
1462 | return ret; |
1463 | } |
1464 | |
1465 | static int sftp_action_rm(void *vctx, char *fname) |
1466 | { |
1467 | struct sftp_packet *pktin; |
1468 | struct sftp_request *req, *rreq; |
1469 | int result; |
1470 | |
1471 | sftp_register(req = fxp_remove_send(fname)); |
1bc24185 |
1472 | rreq = sftp_find_request(pktin = sftp_recv()); |
1473 | assert(rreq == req); |
83567e43 |
1474 | result = fxp_remove_recv(pktin, rreq); |
1bc24185 |
1475 | |
9954aaa3 |
1476 | if (!result) { |
83567e43 |
1477 | printf("rm %s: %s\n", fname, fxp_error()); |
9954aaa3 |
1478 | return 0; |
1479 | } |
1480 | |
f68363d2 |
1481 | printf("rm %s: OK\n", fname); |
1482 | |
df49ff19 |
1483 | return 1; |
9954aaa3 |
1484 | } |
1485 | |
1486 | int sftp_cmd_rm(struct sftp_command *cmd) |
1487 | { |
83567e43 |
1488 | int i, ret; |
9954aaa3 |
1489 | |
fa3db767 |
1490 | if (back == NULL) { |
38f0c08e |
1491 | not_connected(); |
fa3db767 |
1492 | return 0; |
1493 | } |
1494 | |
9954aaa3 |
1495 | if (cmd->nwords < 2) { |
1496 | printf("rm: expects a filename\n"); |
1497 | return 0; |
1498 | } |
1499 | |
83567e43 |
1500 | ret = 1; |
1501 | for (i = 1; i < cmd->nwords; i++) |
1502 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rm, NULL); |
1503 | |
1504 | return ret; |
1505 | } |
1506 | |
1507 | static int check_is_dir(char *dstfname) |
1508 | { |
1509 | struct sftp_packet *pktin; |
1510 | struct sftp_request *req, *rreq; |
1511 | struct fxp_attrs attrs; |
1512 | int result; |
1513 | |
1514 | sftp_register(req = fxp_stat_send(dstfname)); |
1515 | rreq = sftp_find_request(pktin = sftp_recv()); |
1516 | assert(rreq == req); |
1517 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1518 | |
1519 | if (result && |
1520 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
1521 | (attrs.permissions & 0040000)) |
1522 | return TRUE; |
1523 | else |
1524 | return FALSE; |
1525 | } |
1526 | |
1527 | struct sftp_context_mv { |
1528 | char *dstfname; |
1529 | int dest_is_dir; |
1530 | }; |
1531 | |
1532 | static int sftp_action_mv(void *vctx, char *srcfname) |
1533 | { |
1534 | struct sftp_context_mv *ctx = (struct sftp_context_mv *)vctx; |
1535 | struct sftp_packet *pktin; |
1536 | struct sftp_request *req, *rreq; |
1537 | const char *error; |
1538 | char *finalfname, *newcanon = NULL; |
1539 | int ret, result; |
1540 | |
1541 | if (ctx->dest_is_dir) { |
1542 | char *p; |
1543 | char *newname; |
1544 | |
1545 | p = srcfname + strlen(srcfname); |
1546 | while (p > srcfname && p[-1] != '/') p--; |
1547 | newname = dupcat(ctx->dstfname, "/", p, NULL); |
1548 | newcanon = canonify(newname); |
1549 | if (!newcanon) { |
4dc846cd |
1550 | printf("%s: canonify: %s\n", newname, fxp_error()); |
83567e43 |
1551 | sfree(newname); |
1552 | return 0; |
1553 | } |
1554 | sfree(newname); |
1555 | |
1556 | finalfname = newcanon; |
1557 | } else { |
1558 | finalfname = ctx->dstfname; |
9954aaa3 |
1559 | } |
1560 | |
83567e43 |
1561 | sftp_register(req = fxp_rename_send(srcfname, finalfname)); |
1bc24185 |
1562 | rreq = sftp_find_request(pktin = sftp_recv()); |
1563 | assert(rreq == req); |
83567e43 |
1564 | result = fxp_rename_recv(pktin, rreq); |
1bc24185 |
1565 | |
83567e43 |
1566 | error = result ? NULL : fxp_error(); |
1567 | |
1568 | if (error) { |
1569 | printf("mv %s %s: %s\n", srcfname, finalfname, error); |
1570 | ret = 0; |
1571 | } else { |
1572 | printf("%s -> %s\n", srcfname, finalfname); |
1573 | ret = 1; |
9954aaa3 |
1574 | } |
1575 | |
83567e43 |
1576 | sfree(newcanon); |
1577 | return ret; |
d92624dc |
1578 | } |
1579 | |
1580 | int sftp_cmd_mv(struct sftp_command *cmd) |
1581 | { |
83567e43 |
1582 | struct sftp_context_mv actx, *ctx = &actx; |
1583 | int i, ret; |
d92624dc |
1584 | |
fa3db767 |
1585 | if (back == NULL) { |
38f0c08e |
1586 | not_connected(); |
fa3db767 |
1587 | return 0; |
1588 | } |
1589 | |
d92624dc |
1590 | if (cmd->nwords < 3) { |
1591 | printf("mv: expects two filenames\n"); |
9954aaa3 |
1592 | return 0; |
d92624dc |
1593 | } |
83567e43 |
1594 | |
1595 | ctx->dstfname = canonify(cmd->words[cmd->nwords-1]); |
1596 | if (!ctx->dstfname) { |
4dc846cd |
1597 | printf("%s: canonify: %s\n", ctx->dstfname, fxp_error()); |
d92624dc |
1598 | return 0; |
1599 | } |
1600 | |
83567e43 |
1601 | /* |
1602 | * If there's more than one source argument, or one source |
1603 | * argument which is a wildcard, we _require_ that the |
1604 | * destination is a directory. |
1605 | */ |
1606 | ctx->dest_is_dir = check_is_dir(ctx->dstfname); |
1607 | if ((cmd->nwords > 3 || is_wildcard(cmd->words[1])) && !ctx->dest_is_dir) { |
1608 | printf("mv: multiple or wildcard arguments require the destination" |
1609 | " to be a directory\n"); |
c4acc08c |
1610 | sfree(ctx->dstfname); |
d92624dc |
1611 | return 0; |
1612 | } |
9954aaa3 |
1613 | |
83567e43 |
1614 | /* |
1615 | * Now iterate over the source arguments. |
1616 | */ |
1617 | ret = 1; |
1618 | for (i = 1; i < cmd->nwords-1; i++) |
1619 | ret &= wildcard_iterate(cmd->words[i], sftp_action_mv, ctx); |
1620 | |
c4acc08c |
1621 | sfree(ctx->dstfname); |
83567e43 |
1622 | return ret; |
1623 | } |
1624 | |
1625 | struct sftp_context_chmod { |
1626 | unsigned attrs_clr, attrs_xor; |
1627 | }; |
1628 | |
1629 | static int sftp_action_chmod(void *vctx, char *fname) |
1630 | { |
1631 | struct fxp_attrs attrs; |
1632 | struct sftp_packet *pktin; |
1633 | struct sftp_request *req, *rreq; |
1634 | int result; |
1635 | unsigned oldperms, newperms; |
1636 | struct sftp_context_chmod *ctx = (struct sftp_context_chmod *)vctx; |
1637 | |
1638 | sftp_register(req = fxp_stat_send(fname)); |
1bc24185 |
1639 | rreq = sftp_find_request(pktin = sftp_recv()); |
1640 | assert(rreq == req); |
83567e43 |
1641 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1bc24185 |
1642 | |
83567e43 |
1643 | if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) { |
1644 | printf("get attrs for %s: %s\n", fname, |
1645 | result ? "file permissions not provided" : fxp_error()); |
83567e43 |
1646 | return 0; |
1647 | } |
d92624dc |
1648 | |
83567e43 |
1649 | attrs.flags = SSH_FILEXFER_ATTR_PERMISSIONS; /* perms _only_ */ |
1650 | oldperms = attrs.permissions & 07777; |
1651 | attrs.permissions &= ~ctx->attrs_clr; |
1652 | attrs.permissions ^= ctx->attrs_xor; |
1653 | newperms = attrs.permissions & 07777; |
1bc24185 |
1654 | |
83567e43 |
1655 | if (oldperms == newperms) |
1656 | return 1; /* no need to do anything! */ |
1bc24185 |
1657 | |
83567e43 |
1658 | sftp_register(req = fxp_setstat_send(fname, attrs)); |
1659 | rreq = sftp_find_request(pktin = sftp_recv()); |
1660 | assert(rreq == req); |
1661 | result = fxp_setstat_recv(pktin, rreq); |
1bc24185 |
1662 | |
83567e43 |
1663 | if (!result) { |
1664 | printf("set attrs for %s: %s\n", fname, fxp_error()); |
83567e43 |
1665 | return 0; |
d92624dc |
1666 | } |
d92624dc |
1667 | |
83567e43 |
1668 | printf("%s: %04o -> %04o\n", fname, oldperms, newperms); |
1669 | |
df49ff19 |
1670 | return 1; |
9954aaa3 |
1671 | } |
1672 | |
d92624dc |
1673 | int sftp_cmd_chmod(struct sftp_command *cmd) |
1674 | { |
83567e43 |
1675 | char *mode; |
1676 | int i, ret; |
1677 | struct sftp_context_chmod actx, *ctx = &actx; |
d92624dc |
1678 | |
fa3db767 |
1679 | if (back == NULL) { |
38f0c08e |
1680 | not_connected(); |
fa3db767 |
1681 | return 0; |
1682 | } |
1683 | |
d92624dc |
1684 | if (cmd->nwords < 3) { |
1685 | printf("chmod: expects a mode specifier and a filename\n"); |
1686 | return 0; |
1687 | } |
1688 | |
1689 | /* |
1690 | * Attempt to parse the mode specifier in cmd->words[1]. We |
1691 | * don't support the full horror of Unix chmod; instead we |
1692 | * support a much simpler syntax in which the user can either |
1693 | * specify an octal number, or a comma-separated sequence of |
1694 | * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may |
1695 | * _only_ be omitted if the only attribute mentioned is t, |
1696 | * since all others require a user/group/other specification. |
1697 | * Additionally, the s attribute may not be specified for any |
1698 | * [ugoa] specifications other than exactly u or exactly g. |
1699 | */ |
83567e43 |
1700 | ctx->attrs_clr = ctx->attrs_xor = 0; |
d92624dc |
1701 | mode = cmd->words[1]; |
1702 | if (mode[0] >= '0' && mode[0] <= '9') { |
1703 | if (mode[strspn(mode, "01234567")]) { |
1704 | printf("chmod: numeric file modes should" |
1705 | " contain digits 0-7 only\n"); |
1706 | return 0; |
1707 | } |
83567e43 |
1708 | ctx->attrs_clr = 07777; |
1709 | sscanf(mode, "%o", &ctx->attrs_xor); |
1710 | ctx->attrs_xor &= ctx->attrs_clr; |
d92624dc |
1711 | } else { |
1712 | while (*mode) { |
1713 | char *modebegin = mode; |
1714 | unsigned subset, perms; |
1715 | int action; |
1716 | |
1717 | subset = 0; |
1718 | while (*mode && *mode != ',' && |
1719 | *mode != '+' && *mode != '-' && *mode != '=') { |
1720 | switch (*mode) { |
1721 | case 'u': subset |= 04700; break; /* setuid, user perms */ |
1722 | case 'g': subset |= 02070; break; /* setgid, group perms */ |
1723 | case 'o': subset |= 00007; break; /* just other perms */ |
1724 | case 'a': subset |= 06777; break; /* all of the above */ |
1725 | default: |
1726 | printf("chmod: file mode '%.*s' contains unrecognised" |
1727 | " user/group/other specifier '%c'\n", |
b51259f6 |
1728 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1729 | return 0; |
1730 | } |
1731 | mode++; |
1732 | } |
1733 | if (!*mode || *mode == ',') { |
1734 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1735 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1736 | return 0; |
1737 | } |
1738 | action = *mode++; |
1739 | if (!*mode || *mode == ',') { |
1740 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1741 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1742 | return 0; |
1743 | } |
1744 | perms = 0; |
1745 | while (*mode && *mode != ',') { |
1746 | switch (*mode) { |
1747 | case 'r': perms |= 00444; break; |
1748 | case 'w': perms |= 00222; break; |
1749 | case 'x': perms |= 00111; break; |
1750 | case 't': perms |= 01000; subset |= 01000; break; |
1751 | case 's': |
1752 | if ((subset & 06777) != 04700 && |
1753 | (subset & 06777) != 02070) { |
1754 | printf("chmod: file mode '%.*s': set[ug]id bit should" |
1755 | " be used with exactly one of u or g only\n", |
b51259f6 |
1756 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1757 | return 0; |
1758 | } |
1759 | perms |= 06000; |
1760 | break; |
1761 | default: |
1762 | printf("chmod: file mode '%.*s' contains unrecognised" |
1763 | " permission specifier '%c'\n", |
b51259f6 |
1764 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1765 | return 0; |
1766 | } |
1767 | mode++; |
1768 | } |
1769 | if (!(subset & 06777) && (perms &~ subset)) { |
1770 | printf("chmod: file mode '%.*s' contains no user/group/other" |
1771 | " specifier and permissions other than 't' \n", |
b51259f6 |
1772 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1773 | return 0; |
1774 | } |
1775 | perms &= subset; |
1776 | switch (action) { |
1777 | case '+': |
83567e43 |
1778 | ctx->attrs_clr |= perms; |
1779 | ctx->attrs_xor |= perms; |
d92624dc |
1780 | break; |
1781 | case '-': |
83567e43 |
1782 | ctx->attrs_clr |= perms; |
1783 | ctx->attrs_xor &= ~perms; |
d92624dc |
1784 | break; |
1785 | case '=': |
83567e43 |
1786 | ctx->attrs_clr |= subset; |
1787 | ctx->attrs_xor |= perms; |
d92624dc |
1788 | break; |
1789 | } |
1790 | if (*mode) mode++; /* eat comma */ |
1791 | } |
1792 | } |
1793 | |
83567e43 |
1794 | ret = 1; |
1795 | for (i = 2; i < cmd->nwords; i++) |
1796 | ret &= wildcard_iterate(cmd->words[i], sftp_action_chmod, ctx); |
d92624dc |
1797 | |
83567e43 |
1798 | return ret; |
d92624dc |
1799 | } |
9954aaa3 |
1800 | |
fa3db767 |
1801 | static int sftp_cmd_open(struct sftp_command *cmd) |
1802 | { |
f11233cb |
1803 | int portnumber; |
1804 | |
fa3db767 |
1805 | if (back != NULL) { |
1806 | printf("psftp: already connected\n"); |
1807 | return 0; |
1808 | } |
1809 | |
1810 | if (cmd->nwords < 2) { |
1811 | printf("open: expects a host name\n"); |
1812 | return 0; |
1813 | } |
1814 | |
f11233cb |
1815 | if (cmd->nwords > 2) { |
1816 | portnumber = atoi(cmd->words[2]); |
1817 | if (portnumber == 0) { |
1818 | printf("open: invalid port number\n"); |
1819 | return 0; |
1820 | } |
1821 | } else |
1822 | portnumber = 0; |
1823 | |
1824 | if (psftp_connect(cmd->words[1], NULL, portnumber)) { |
fa3db767 |
1825 | back = NULL; /* connection is already closed */ |
1826 | return -1; /* this is fatal */ |
1827 | } |
1828 | do_sftp_init(); |
df49ff19 |
1829 | return 1; |
fa3db767 |
1830 | } |
1831 | |
3af97463 |
1832 | static int sftp_cmd_lcd(struct sftp_command *cmd) |
1833 | { |
d6cc41e6 |
1834 | char *currdir, *errmsg; |
3af97463 |
1835 | |
1836 | if (cmd->nwords < 2) { |
1837 | printf("lcd: expects a local directory name\n"); |
1838 | return 0; |
1839 | } |
1840 | |
d6cc41e6 |
1841 | errmsg = psftp_lcd(cmd->words[1]); |
1842 | if (errmsg) { |
1843 | printf("lcd: unable to change directory: %s\n", errmsg); |
1844 | sfree(errmsg); |
3af97463 |
1845 | return 0; |
1846 | } |
1847 | |
d6cc41e6 |
1848 | currdir = psftp_getcwd(); |
3af97463 |
1849 | printf("New local directory is %s\n", currdir); |
1850 | sfree(currdir); |
1851 | |
1852 | return 1; |
1853 | } |
1854 | |
1855 | static int sftp_cmd_lpwd(struct sftp_command *cmd) |
1856 | { |
1857 | char *currdir; |
3af97463 |
1858 | |
d6cc41e6 |
1859 | currdir = psftp_getcwd(); |
3af97463 |
1860 | printf("Current local directory is %s\n", currdir); |
1861 | sfree(currdir); |
1862 | |
1863 | return 1; |
1864 | } |
1865 | |
1866 | static int sftp_cmd_pling(struct sftp_command *cmd) |
1867 | { |
1868 | int exitcode; |
1869 | |
1870 | exitcode = system(cmd->words[1]); |
1871 | return (exitcode == 0); |
1872 | } |
1873 | |
bf5240cd |
1874 | static int sftp_cmd_help(struct sftp_command *cmd); |
1875 | |
4c7f0d61 |
1876 | static struct sftp_cmd_lookup { |
1877 | char *name; |
bf5240cd |
1878 | /* |
1879 | * For help purposes, there are two kinds of command: |
1880 | * |
1881 | * - primary commands, in which `longhelp' is non-NULL. In |
1882 | * this case `shorthelp' is descriptive text, and `longhelp' |
1883 | * is longer descriptive text intended to be printed after |
1884 | * the command name. |
1885 | * |
1886 | * - alias commands, in which `longhelp' is NULL. In this case |
1887 | * `shorthelp' is the name of a primary command, which |
1888 | * contains the help that should double up for this command. |
1889 | */ |
3af97463 |
1890 | int listed; /* do we list this in primary help? */ |
bf5240cd |
1891 | char *shorthelp; |
1892 | char *longhelp; |
32874aea |
1893 | int (*obey) (struct sftp_command *); |
4c7f0d61 |
1894 | } sftp_lookup[] = { |
1895 | /* |
1896 | * List of sftp commands. This is binary-searched so it MUST be |
1897 | * in ASCII order. |
1898 | */ |
32874aea |
1899 | { |
d6cc41e6 |
1900 | "!", TRUE, "run a local command", |
3af97463 |
1901 | "<command>\n" |
d6cc41e6 |
1902 | /* FIXME: this example is crap for non-Windows. */ |
1903 | " Runs a local command. For example, \"!del myfile\".\n", |
3af97463 |
1904 | sftp_cmd_pling |
1905 | }, |
1906 | { |
1907 | "bye", TRUE, "finish your SFTP session", |
bf5240cd |
1908 | "\n" |
1909 | " Terminates your SFTP session and quits the PSFTP program.\n", |
1910 | sftp_cmd_quit |
1911 | }, |
1912 | { |
3af97463 |
1913 | "cd", TRUE, "change your remote working directory", |
c1b8799b |
1914 | " [ <new working directory> ]\n" |
bf5240cd |
1915 | " Change the remote working directory for your SFTP session.\n" |
1916 | " If a new working directory is not supplied, you will be\n" |
1917 | " returned to your home directory.\n", |
1918 | sftp_cmd_cd |
1919 | }, |
1920 | { |
3af97463 |
1921 | "chmod", TRUE, "change file permissions and modes", |
c1b8799b |
1922 | " <modes> <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1923 | " Change the file permissions on one or more remote files or\n" |
1924 | " directories.\n" |
1925 | " <modes> can be any octal Unix permission specifier.\n" |
1926 | " Alternatively, <modes> can include the following modifiers:\n" |
bf5240cd |
1927 | " u+r make file readable by owning user\n" |
1928 | " u+w make file writable by owning user\n" |
1929 | " u+x make file executable by owning user\n" |
1930 | " u-r make file not readable by owning user\n" |
1931 | " [also u-w, u-x]\n" |
1932 | " g+r make file readable by members of owning group\n" |
1933 | " [also g+w, g+x, g-r, g-w, g-x]\n" |
1934 | " o+r make file readable by all other users\n" |
1935 | " [also o+w, o+x, o-r, o-w, o-x]\n" |
1936 | " a+r make file readable by absolutely everybody\n" |
1937 | " [also a+w, a+x, a-r, a-w, a-x]\n" |
1938 | " u+s enable the Unix set-user-ID bit\n" |
1939 | " u-s disable the Unix set-user-ID bit\n" |
1940 | " g+s enable the Unix set-group-ID bit\n" |
1941 | " g-s disable the Unix set-group-ID bit\n" |
1942 | " +t enable the Unix \"sticky bit\"\n" |
1943 | " You can give more than one modifier for the same user (\"g-rwx\"), and\n" |
1944 | " more than one user for the same modifier (\"ug+w\"). You can\n" |
1945 | " use commas to separate different modifiers (\"u+rwx,g+s\").\n", |
1946 | sftp_cmd_chmod |
1947 | }, |
1948 | { |
b614ce89 |
1949 | "close", TRUE, "finish your SFTP session but do not quit PSFTP", |
1950 | "\n" |
1951 | " Terminates your SFTP session, but does not quit the PSFTP\n" |
1952 | " program. You can then use \"open\" to start another SFTP\n" |
1953 | " session, to the same server or to a different one.\n", |
1954 | sftp_cmd_close |
1955 | }, |
1956 | { |
c1b8799b |
1957 | "del", TRUE, "delete files on the remote server", |
1958 | " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1959 | " Delete a file or files from the server.\n", |
bf5240cd |
1960 | sftp_cmd_rm |
1961 | }, |
1962 | { |
3af97463 |
1963 | "delete", FALSE, "del", NULL, sftp_cmd_rm |
bf5240cd |
1964 | }, |
1965 | { |
c1b8799b |
1966 | "dir", TRUE, "list remote files", |
9033711a |
1967 | " [ <directory-name> ]/[ <wildcard> ]\n" |
bf5240cd |
1968 | " List the contents of a specified directory on the server.\n" |
1969 | " If <directory-name> is not given, the current working directory\n" |
9033711a |
1970 | " is assumed.\n" |
1971 | " If <wildcard> is given, it is treated as a set of files to\n" |
1972 | " list; otherwise, all files are listed.\n", |
bf5240cd |
1973 | sftp_cmd_ls |
1974 | }, |
1975 | { |
3af97463 |
1976 | "exit", TRUE, "bye", NULL, sftp_cmd_quit |
bf5240cd |
1977 | }, |
1978 | { |
3af97463 |
1979 | "get", TRUE, "download a file from the server to your local machine", |
9033711a |
1980 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
1981 | " Downloads a file on the server and stores it locally under\n" |
1982 | " the same name, or under a different one if you supply the\n" |
9033711a |
1983 | " argument <local-filename>.\n" |
1984 | " If -r specified, recursively fetch a directory.\n", |
bf5240cd |
1985 | sftp_cmd_get |
1986 | }, |
1987 | { |
3af97463 |
1988 | "help", TRUE, "give help", |
bf5240cd |
1989 | " [ <command> [ <command> ... ] ]\n" |
1990 | " Give general help if no commands are specified.\n" |
1991 | " If one or more commands are specified, give specific help on\n" |
1992 | " those particular commands.\n", |
1993 | sftp_cmd_help |
1994 | }, |
1995 | { |
3af97463 |
1996 | "lcd", TRUE, "change local working directory", |
1997 | " <local-directory-name>\n" |
1998 | " Change the local working directory of the PSFTP program (the\n" |
1999 | " default location where the \"get\" command will save files).\n", |
2000 | sftp_cmd_lcd |
2001 | }, |
2002 | { |
2003 | "lpwd", TRUE, "print local working directory", |
2004 | "\n" |
2005 | " Print the local working directory of the PSFTP program (the\n" |
2006 | " default location where the \"get\" command will save files).\n", |
2007 | sftp_cmd_lpwd |
2008 | }, |
2009 | { |
2010 | "ls", TRUE, "dir", NULL, |
bf5240cd |
2011 | sftp_cmd_ls |
2012 | }, |
2013 | { |
9c77ddf6 |
2014 | "mget", TRUE, "download multiple files at once", |
9033711a |
2015 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2016 | " Downloads many files from the server, storing each one under\n" |
2017 | " the same name it has on the server side. You can use wildcards\n" |
9033711a |
2018 | " such as \"*.c\" to specify lots of files at once.\n" |
2019 | " If -r specified, recursively fetch files and directories.\n", |
9c77ddf6 |
2020 | sftp_cmd_mget |
2021 | }, |
2022 | { |
c1b8799b |
2023 | "mkdir", TRUE, "create directories on the remote server", |
2024 | " <directory-name> [ <directory-name>... ]\n" |
2025 | " Creates directories with the given names on the server.\n", |
bf5240cd |
2026 | sftp_cmd_mkdir |
2027 | }, |
2028 | { |
9c77ddf6 |
2029 | "mput", TRUE, "upload multiple files at once", |
96515f61 |
2030 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2031 | " Uploads many files to the server, storing each one under the\n" |
2032 | " same name it has on the client side. You can use wildcards\n" |
9033711a |
2033 | " such as \"*.c\" to specify lots of files at once.\n" |
2034 | " If -r specified, recursively store files and directories.\n", |
9c77ddf6 |
2035 | sftp_cmd_mput |
2036 | }, |
2037 | { |
c1b8799b |
2038 | "mv", TRUE, "move or rename file(s) on the remote server", |
2039 | " <source> [ <source>... ] <destination>\n" |
2040 | " Moves or renames <source>(s) on the server to <destination>,\n" |
2041 | " also on the server.\n" |
2042 | " If <destination> specifies an existing directory, then <source>\n" |
2043 | " may be a wildcard, and multiple <source>s may be given; all\n" |
2044 | " source files are moved into <destination>.\n" |
2045 | " Otherwise, <source> must specify a single file, which is moved\n" |
2046 | " or renamed so that it is accessible under the name <destination>.\n", |
bf5240cd |
2047 | sftp_cmd_mv |
2048 | }, |
2049 | { |
3af97463 |
2050 | "open", TRUE, "connect to a host", |
f11233cb |
2051 | " [<user>@]<hostname> [<port>]\n" |
fa3db767 |
2052 | " Establishes an SFTP connection to a given host. Only usable\n" |
c1b8799b |
2053 | " when you are not already connected to a server.\n", |
fa3db767 |
2054 | sftp_cmd_open |
2055 | }, |
2056 | { |
56542985 |
2057 | "put", TRUE, "upload a file from your local machine to the server", |
9033711a |
2058 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
56542985 |
2059 | " Uploads a file to the server and stores it there under\n" |
2060 | " the same name, or under a different one if you supply the\n" |
9033711a |
2061 | " argument <remote-filename>.\n" |
2062 | " If -r specified, recursively store a directory.\n", |
56542985 |
2063 | sftp_cmd_put |
2064 | }, |
2065 | { |
3af97463 |
2066 | "pwd", TRUE, "print your remote working directory", |
4f2b387f |
2067 | "\n" |
2068 | " Print the current remote working directory for your SFTP session.\n", |
2069 | sftp_cmd_pwd |
2070 | }, |
2071 | { |
3af97463 |
2072 | "quit", TRUE, "bye", NULL, |
bf5240cd |
2073 | sftp_cmd_quit |
2074 | }, |
2075 | { |
c1b8799b |
2076 | "reget", TRUE, "continue downloading files", |
9033711a |
2077 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
2078 | " Works exactly like the \"get\" command, but the local file\n" |
2079 | " must already exist. The download will begin at the end of the\n" |
9033711a |
2080 | " file. This is for resuming a download that was interrupted.\n" |
2081 | " If -r specified, resume interrupted \"get -r\".\n", |
bf5240cd |
2082 | sftp_cmd_reget |
2083 | }, |
2084 | { |
3af97463 |
2085 | "ren", TRUE, "mv", NULL, |
bf5240cd |
2086 | sftp_cmd_mv |
2087 | }, |
2088 | { |
3af97463 |
2089 | "rename", FALSE, "mv", NULL, |
bf5240cd |
2090 | sftp_cmd_mv |
2091 | }, |
2092 | { |
c1b8799b |
2093 | "reput", TRUE, "continue uploading files", |
9033711a |
2094 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
bf5240cd |
2095 | " Works exactly like the \"put\" command, but the remote file\n" |
2096 | " must already exist. The upload will begin at the end of the\n" |
9033711a |
2097 | " file. This is for resuming an upload that was interrupted.\n" |
2098 | " If -r specified, resume interrupted \"put -r\".\n", |
bf5240cd |
2099 | sftp_cmd_reput |
2100 | }, |
2101 | { |
3af97463 |
2102 | "rm", TRUE, "del", NULL, |
bf5240cd |
2103 | sftp_cmd_rm |
2104 | }, |
2105 | { |
c1b8799b |
2106 | "rmdir", TRUE, "remove directories on the remote server", |
2107 | " <directory-name> [ <directory-name>... ]\n" |
bf5240cd |
2108 | " Removes the directory with the given name on the server.\n" |
c1b8799b |
2109 | " The directory will not be removed unless it is empty.\n" |
2110 | " Wildcards may be used to specify multiple directories.\n", |
bf5240cd |
2111 | sftp_cmd_rmdir |
2112 | } |
2113 | }; |
2114 | |
2115 | const struct sftp_cmd_lookup *lookup_command(char *name) |
2116 | { |
2117 | int i, j, k, cmp; |
2118 | |
2119 | i = -1; |
2120 | j = sizeof(sftp_lookup) / sizeof(*sftp_lookup); |
2121 | while (j - i > 1) { |
2122 | k = (j + i) / 2; |
2123 | cmp = strcmp(name, sftp_lookup[k].name); |
2124 | if (cmp < 0) |
2125 | j = k; |
2126 | else if (cmp > 0) |
2127 | i = k; |
2128 | else { |
2129 | return &sftp_lookup[k]; |
2130 | } |
2131 | } |
2132 | return NULL; |
2133 | } |
2134 | |
2135 | static int sftp_cmd_help(struct sftp_command *cmd) |
2136 | { |
2137 | int i; |
2138 | if (cmd->nwords == 1) { |
2139 | /* |
2140 | * Give short help on each command. |
2141 | */ |
2142 | int maxlen; |
2143 | maxlen = 0; |
2144 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
3af97463 |
2145 | int len; |
2146 | if (!sftp_lookup[i].listed) |
2147 | continue; |
2148 | len = strlen(sftp_lookup[i].name); |
bf5240cd |
2149 | if (maxlen < len) |
2150 | maxlen = len; |
2151 | } |
2152 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
2153 | const struct sftp_cmd_lookup *lookup; |
3af97463 |
2154 | if (!sftp_lookup[i].listed) |
2155 | continue; |
bf5240cd |
2156 | lookup = &sftp_lookup[i]; |
2157 | printf("%-*s", maxlen+2, lookup->name); |
2158 | if (lookup->longhelp == NULL) |
2159 | lookup = lookup_command(lookup->shorthelp); |
2160 | printf("%s\n", lookup->shorthelp); |
2161 | } |
2162 | } else { |
2163 | /* |
2164 | * Give long help on specific commands. |
2165 | */ |
2166 | for (i = 1; i < cmd->nwords; i++) { |
2167 | const struct sftp_cmd_lookup *lookup; |
2168 | lookup = lookup_command(cmd->words[i]); |
2169 | if (!lookup) { |
2170 | printf("help: %s: command not found\n", cmd->words[i]); |
2171 | } else { |
2172 | printf("%s", lookup->name); |
2173 | if (lookup->longhelp == NULL) |
2174 | lookup = lookup_command(lookup->shorthelp); |
2175 | printf("%s", lookup->longhelp); |
2176 | } |
2177 | } |
2178 | } |
df49ff19 |
2179 | return 1; |
bf5240cd |
2180 | } |
4c7f0d61 |
2181 | |
2182 | /* ---------------------------------------------------------------------- |
2183 | * Command line reading and parsing. |
2184 | */ |
9954aaa3 |
2185 | struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags) |
32874aea |
2186 | { |
4c7f0d61 |
2187 | char *line; |
4c7f0d61 |
2188 | struct sftp_command *cmd; |
2189 | char *p, *q, *r; |
2190 | int quoting; |
2191 | |
3d88e64d |
2192 | cmd = snew(struct sftp_command); |
4c7f0d61 |
2193 | cmd->words = NULL; |
2194 | cmd->nwords = 0; |
2195 | cmd->wordssize = 0; |
2196 | |
2197 | line = NULL; |
39934deb |
2198 | |
2199 | if (fp) { |
2200 | if (modeflags & 1) |
2201 | printf("psftp> "); |
2202 | line = fgetline(fp); |
2203 | } else { |
65857773 |
2204 | line = ssh_sftp_get_cmdline("psftp> ", back == NULL); |
4c7f0d61 |
2205 | } |
39934deb |
2206 | |
2207 | if (!line || !*line) { |
2208 | cmd->obey = sftp_cmd_quit; |
2209 | if ((mode == 0) || (modeflags & 1)) |
2210 | printf("quit\n"); |
2211 | return cmd; /* eof */ |
2212 | } |
2213 | |
2214 | line[strcspn(line, "\r\n")] = '\0'; |
2215 | |
df49ff19 |
2216 | if (modeflags & 1) { |
2217 | printf("%s\n", line); |
2218 | } |
4c7f0d61 |
2219 | |
4c7f0d61 |
2220 | p = line; |
3af97463 |
2221 | while (*p && (*p == ' ' || *p == '\t')) |
2222 | p++; |
2223 | |
2224 | if (*p == '!') { |
2225 | /* |
2226 | * Special case: the ! command. This is always parsed as |
2227 | * exactly two words: one containing the !, and the second |
2228 | * containing everything else on the line. |
2229 | */ |
2230 | cmd->nwords = cmd->wordssize = 2; |
3d88e64d |
2231 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
679539d7 |
2232 | cmd->words[0] = dupstr("!"); |
2233 | cmd->words[1] = dupstr(p+1); |
3af97463 |
2234 | } else { |
2235 | |
2236 | /* |
2237 | * Parse the command line into words. The syntax is: |
2238 | * - double quotes are removed, but cause spaces within to be |
2239 | * treated as non-separating. |
2240 | * - a double-doublequote pair is a literal double quote, inside |
2241 | * _or_ outside quotes. Like this: |
2242 | * |
2243 | * firstword "second word" "this has ""quotes"" in" and""this"" |
2244 | * |
2245 | * becomes |
2246 | * |
2247 | * >firstword< |
2248 | * >second word< |
2249 | * >this has "quotes" in< |
2250 | * >and"this"< |
2251 | */ |
4c7f0d61 |
2252 | while (*p) { |
3af97463 |
2253 | /* skip whitespace */ |
2254 | while (*p && (*p == ' ' || *p == '\t')) |
2255 | p++; |
2256 | /* mark start of word */ |
2257 | q = r = p; /* q sits at start, r writes word */ |
2258 | quoting = 0; |
2259 | while (*p) { |
2260 | if (!quoting && (*p == ' ' || *p == '\t')) |
2261 | break; /* reached end of word */ |
2262 | else if (*p == '"' && p[1] == '"') |
2263 | p += 2, *r++ = '"'; /* a literal quote */ |
2264 | else if (*p == '"') |
2265 | p++, quoting = !quoting; |
2266 | else |
2267 | *r++ = *p++; |
2268 | } |
2269 | if (*p) |
2270 | p++; /* skip over the whitespace */ |
2271 | *r = '\0'; |
2272 | if (cmd->nwords >= cmd->wordssize) { |
2273 | cmd->wordssize = cmd->nwords + 16; |
3d88e64d |
2274 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
3af97463 |
2275 | } |
679539d7 |
2276 | cmd->words[cmd->nwords++] = dupstr(q); |
4c7f0d61 |
2277 | } |
4c7f0d61 |
2278 | } |
2279 | |
39934deb |
2280 | sfree(line); |
2281 | |
4c7f0d61 |
2282 | /* |
2283 | * Now parse the first word and assign a function. |
2284 | */ |
2285 | |
2286 | if (cmd->nwords == 0) |
2287 | cmd->obey = sftp_cmd_null; |
2288 | else { |
bf5240cd |
2289 | const struct sftp_cmd_lookup *lookup; |
2290 | lookup = lookup_command(cmd->words[0]); |
2291 | if (!lookup) |
2292 | cmd->obey = sftp_cmd_unknown; |
2293 | else |
2294 | cmd->obey = lookup->obey; |
4c7f0d61 |
2295 | } |
2296 | |
2297 | return cmd; |
2298 | } |
2299 | |
774204f5 |
2300 | static int do_sftp_init(void) |
32874aea |
2301 | { |
1bc24185 |
2302 | struct sftp_packet *pktin; |
2303 | struct sftp_request *req, *rreq; |
2304 | |
4c7f0d61 |
2305 | /* |
2306 | * Do protocol initialisation. |
2307 | */ |
2308 | if (!fxp_init()) { |
2309 | fprintf(stderr, |
32874aea |
2310 | "Fatal: unable to initialise SFTP: %s\n", fxp_error()); |
774204f5 |
2311 | return 1; /* failure */ |
4c7f0d61 |
2312 | } |
2313 | |
2314 | /* |
2315 | * Find out where our home directory is. |
2316 | */ |
1bc24185 |
2317 | sftp_register(req = fxp_realpath_send(".")); |
2318 | rreq = sftp_find_request(pktin = sftp_recv()); |
2319 | assert(rreq == req); |
7b7de4f4 |
2320 | homedir = fxp_realpath_recv(pktin, rreq); |
1bc24185 |
2321 | |
4c7f0d61 |
2322 | if (!homedir) { |
2323 | fprintf(stderr, |
2324 | "Warning: failed to resolve home directory: %s\n", |
2325 | fxp_error()); |
2326 | homedir = dupstr("."); |
2327 | } else { |
2328 | printf("Remote working directory is %s\n", homedir); |
2329 | } |
2330 | pwd = dupstr(homedir); |
774204f5 |
2331 | return 0; |
fa3db767 |
2332 | } |
2333 | |
679539d7 |
2334 | void do_sftp_cleanup() |
2335 | { |
2336 | char ch; |
f11233cb |
2337 | if (back) { |
2338 | back->special(backhandle, TS_EOF); |
2339 | sftp_recvdata(&ch, 1); |
2340 | back->free(backhandle); |
2341 | sftp_cleanup_request(); |
65857773 |
2342 | back = NULL; |
2343 | backhandle = NULL; |
f11233cb |
2344 | } |
679539d7 |
2345 | if (pwd) { |
2346 | sfree(pwd); |
2347 | pwd = NULL; |
2348 | } |
2349 | if (homedir) { |
2350 | sfree(homedir); |
2351 | homedir = NULL; |
2352 | } |
2353 | } |
2354 | |
fa3db767 |
2355 | void do_sftp(int mode, int modeflags, char *batchfile) |
2356 | { |
2357 | FILE *fp; |
df49ff19 |
2358 | int ret; |
4c7f0d61 |
2359 | |
9954aaa3 |
2360 | /* |
2361 | * Batch mode? |
4c7f0d61 |
2362 | */ |
9954aaa3 |
2363 | if (mode == 0) { |
2364 | |
2365 | /* ------------------------------------------------------------------ |
2366 | * Now we're ready to do Real Stuff. |
2367 | */ |
2368 | while (1) { |
df49ff19 |
2369 | struct sftp_command *cmd; |
39934deb |
2370 | cmd = sftp_getcmd(NULL, 0, 0); |
df49ff19 |
2371 | if (!cmd) |
2372 | break; |
679539d7 |
2373 | ret = cmd->obey(cmd); |
2374 | if (cmd->words) { |
2375 | int i; |
2376 | for(i = 0; i < cmd->nwords; i++) |
2377 | sfree(cmd->words[i]); |
2378 | sfree(cmd->words); |
2379 | } |
2380 | sfree(cmd); |
2381 | if (ret < 0) |
df49ff19 |
2382 | break; |
bf5240cd |
2383 | } |
9954aaa3 |
2384 | } else { |
2385 | fp = fopen(batchfile, "r"); |
2386 | if (!fp) { |
bf5240cd |
2387 | printf("Fatal: unable to open %s\n", batchfile); |
2388 | return; |
9954aaa3 |
2389 | } |
2390 | while (1) { |
bf5240cd |
2391 | struct sftp_command *cmd; |
2392 | cmd = sftp_getcmd(fp, mode, modeflags); |
2393 | if (!cmd) |
2394 | break; |
df49ff19 |
2395 | ret = cmd->obey(cmd); |
2396 | if (ret < 0) |
bf5240cd |
2397 | break; |
df49ff19 |
2398 | if (ret == 0) { |
bf5240cd |
2399 | if (!(modeflags & 2)) |
9954aaa3 |
2400 | break; |
bf5240cd |
2401 | } |
9954aaa3 |
2402 | } |
bf5240cd |
2403 | fclose(fp); |
9954aaa3 |
2404 | |
4c7f0d61 |
2405 | } |
4a8fc3c4 |
2406 | } |
4c7f0d61 |
2407 | |
4a8fc3c4 |
2408 | /* ---------------------------------------------------------------------- |
2409 | * Dirty bits: integration with PuTTY. |
2410 | */ |
2411 | |
2412 | static int verbose = 0; |
2413 | |
7bedb13c |
2414 | /* |
4a8fc3c4 |
2415 | * Print an error message and perform a fatal exit. |
2416 | */ |
2417 | void fatalbox(char *fmt, ...) |
2418 | { |
57356d63 |
2419 | char *str, *str2; |
4a8fc3c4 |
2420 | va_list ap; |
2421 | va_start(ap, fmt); |
57356d63 |
2422 | str = dupvprintf(fmt, ap); |
2423 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2424 | sfree(str); |
4a8fc3c4 |
2425 | va_end(ap); |
57356d63 |
2426 | fputs(str2, stderr); |
2427 | sfree(str2); |
4a8fc3c4 |
2428 | |
93b581bd |
2429 | cleanup_exit(1); |
4a8fc3c4 |
2430 | } |
1709795f |
2431 | void modalfatalbox(char *fmt, ...) |
2432 | { |
57356d63 |
2433 | char *str, *str2; |
1709795f |
2434 | va_list ap; |
2435 | va_start(ap, fmt); |
57356d63 |
2436 | str = dupvprintf(fmt, ap); |
2437 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2438 | sfree(str); |
1709795f |
2439 | va_end(ap); |
57356d63 |
2440 | fputs(str2, stderr); |
2441 | sfree(str2); |
1709795f |
2442 | |
2443 | cleanup_exit(1); |
2444 | } |
a8327734 |
2445 | void connection_fatal(void *frontend, char *fmt, ...) |
4a8fc3c4 |
2446 | { |
57356d63 |
2447 | char *str, *str2; |
4a8fc3c4 |
2448 | va_list ap; |
2449 | va_start(ap, fmt); |
57356d63 |
2450 | str = dupvprintf(fmt, ap); |
2451 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2452 | sfree(str); |
4a8fc3c4 |
2453 | va_end(ap); |
57356d63 |
2454 | fputs(str2, stderr); |
2455 | sfree(str2); |
4a8fc3c4 |
2456 | |
93b581bd |
2457 | cleanup_exit(1); |
4a8fc3c4 |
2458 | } |
2459 | |
6b78788a |
2460 | void ldisc_send(void *handle, char *buf, int len, int interactive) |
32874aea |
2461 | { |
4a8fc3c4 |
2462 | /* |
2463 | * This is only here because of the calls to ldisc_send(NULL, |
2464 | * 0) in ssh.c. Nothing in PSFTP actually needs to use the |
2465 | * ldisc as an ldisc. So if we get called with any real data, I |
2466 | * want to know about it. |
4c7f0d61 |
2467 | */ |
4a8fc3c4 |
2468 | assert(len == 0); |
2469 | } |
2470 | |
2471 | /* |
c44bf5bd |
2472 | * In psftp, all agent requests should be synchronous, so this is a |
2473 | * never-called stub. |
2474 | */ |
2475 | void agent_schedule_callback(void (*callback)(void *, void *, int), |
2476 | void *callback_ctx, void *data, int len) |
2477 | { |
2478 | assert(!"We shouldn't be here"); |
2479 | } |
2480 | |
2481 | /* |
4a8fc3c4 |
2482 | * Receive a block of data from the SSH link. Block until all data |
2483 | * is available. |
2484 | * |
2485 | * To do this, we repeatedly call the SSH protocol module, with our |
2486 | * own trap in from_backend() to catch the data that comes back. We |
2487 | * do this until we have enough data. |
2488 | */ |
2489 | |
32874aea |
2490 | static unsigned char *outptr; /* where to put the data */ |
2491 | static unsigned outlen; /* how much data required */ |
4a8fc3c4 |
2492 | static unsigned char *pending = NULL; /* any spare data */ |
32874aea |
2493 | static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */ |
9fab77dc |
2494 | int from_backend(void *frontend, int is_stderr, const char *data, int datalen) |
32874aea |
2495 | { |
2496 | unsigned char *p = (unsigned char *) data; |
2497 | unsigned len = (unsigned) datalen; |
4a8fc3c4 |
2498 | |
2499 | /* |
2500 | * stderr data is just spouted to local stderr and otherwise |
2501 | * ignored. |
2502 | */ |
2503 | if (is_stderr) { |
bfa5400d |
2504 | if (len > 0) |
2505 | fwrite(data, 1, len, stderr); |
5471d09a |
2506 | return 0; |
4a8fc3c4 |
2507 | } |
2508 | |
2509 | /* |
2510 | * If this is before the real session begins, just return. |
2511 | */ |
2512 | if (!outptr) |
5471d09a |
2513 | return 0; |
4a8fc3c4 |
2514 | |
bfa5400d |
2515 | if ((outlen > 0) && (len > 0)) { |
32874aea |
2516 | unsigned used = outlen; |
2517 | if (used > len) |
2518 | used = len; |
2519 | memcpy(outptr, p, used); |
2520 | outptr += used; |
2521 | outlen -= used; |
2522 | p += used; |
2523 | len -= used; |
4a8fc3c4 |
2524 | } |
2525 | |
2526 | if (len > 0) { |
32874aea |
2527 | if (pendsize < pendlen + len) { |
2528 | pendsize = pendlen + len + 4096; |
3d88e64d |
2529 | pending = sresize(pending, pendsize, unsigned char); |
32874aea |
2530 | } |
2531 | memcpy(pending + pendlen, p, len); |
2532 | pendlen += len; |
4a8fc3c4 |
2533 | } |
5471d09a |
2534 | |
2535 | return 0; |
4a8fc3c4 |
2536 | } |
edd0cb8a |
2537 | int from_backend_untrusted(void *frontend_handle, const char *data, int len) |
2538 | { |
2539 | /* |
2540 | * No "untrusted" output should get here (the way the code is |
2541 | * currently, it's all diverted by FLAG_STDERR). |
2542 | */ |
2543 | assert(!"Unexpected call to from_backend_untrusted()"); |
2544 | return 0; /* not reached */ |
2545 | } |
32874aea |
2546 | int sftp_recvdata(char *buf, int len) |
2547 | { |
2548 | outptr = (unsigned char *) buf; |
4a8fc3c4 |
2549 | outlen = len; |
2550 | |
2551 | /* |
2552 | * See if the pending-input block contains some of what we |
2553 | * need. |
2554 | */ |
2555 | if (pendlen > 0) { |
32874aea |
2556 | unsigned pendused = pendlen; |
2557 | if (pendused > outlen) |
2558 | pendused = outlen; |
4a8fc3c4 |
2559 | memcpy(outptr, pending, pendused); |
32874aea |
2560 | memmove(pending, pending + pendused, pendlen - pendused); |
4a8fc3c4 |
2561 | outptr += pendused; |
2562 | outlen -= pendused; |
32874aea |
2563 | pendlen -= pendused; |
2564 | if (pendlen == 0) { |
2565 | pendsize = 0; |
2566 | sfree(pending); |
2567 | pending = NULL; |
2568 | } |
2569 | if (outlen == 0) |
2570 | return 1; |
4a8fc3c4 |
2571 | } |
2572 | |
2573 | while (outlen > 0) { |
34580230 |
2574 | if (back->exitcode(backhandle) >= 0 || ssh_sftp_loop_iteration() < 0) |
32874aea |
2575 | return 0; /* doom */ |
4a8fc3c4 |
2576 | } |
2577 | |
2578 | return 1; |
2579 | } |
32874aea |
2580 | int sftp_senddata(char *buf, int len) |
2581 | { |
776792d7 |
2582 | back->send(backhandle, buf, len); |
4a8fc3c4 |
2583 | return 1; |
2584 | } |
2585 | |
2586 | /* |
4a8fc3c4 |
2587 | * Short description of parameters. |
2588 | */ |
2589 | static void usage(void) |
2590 | { |
2591 | printf("PuTTY Secure File Transfer (SFTP) client\n"); |
2592 | printf("%s\n", ver); |
90767715 |
2593 | printf("Usage: psftp [options] [user@]host\n"); |
4a8fc3c4 |
2594 | printf("Options:\n"); |
2285d016 |
2595 | printf(" -V print version information and exit\n"); |
2596 | printf(" -pgpfp print PGP key fingerprints and exit\n"); |
9954aaa3 |
2597 | printf(" -b file use specified batchfile\n"); |
2598 | printf(" -bc output batchfile commands\n"); |
2599 | printf(" -be don't stop batchfile processing if errors\n"); |
4a8fc3c4 |
2600 | printf(" -v show verbose messages\n"); |
e2a197cf |
2601 | printf(" -load sessname Load settings from saved session\n"); |
2602 | printf(" -l user connect with specified username\n"); |
4a8fc3c4 |
2603 | printf(" -P port connect to specified port\n"); |
2604 | printf(" -pw passw login with specified password\n"); |
e2a197cf |
2605 | printf(" -1 -2 force use of particular SSH protocol version\n"); |
05581745 |
2606 | printf(" -4 -6 force use of IPv4 or IPv6\n"); |
e2a197cf |
2607 | printf(" -C enable compression\n"); |
2608 | printf(" -i key private key file for authentication\n"); |
e5708bc7 |
2609 | printf(" -noagent disable use of Pageant\n"); |
2610 | printf(" -agent enable use of Pageant\n"); |
e2a197cf |
2611 | printf(" -batch disable all interactive prompts\n"); |
93b581bd |
2612 | cleanup_exit(1); |
4a8fc3c4 |
2613 | } |
2614 | |
dc108ebc |
2615 | static void version(void) |
2616 | { |
2617 | printf("psftp: %s\n", ver); |
2618 | cleanup_exit(1); |
2619 | } |
2620 | |
4a8fc3c4 |
2621 | /* |
fa3db767 |
2622 | * Connect to a host. |
4a8fc3c4 |
2623 | */ |
fa3db767 |
2624 | static int psftp_connect(char *userhost, char *user, int portnumber) |
4a8fc3c4 |
2625 | { |
fa3db767 |
2626 | char *host, *realhost; |
cbe2d68f |
2627 | const char *err; |
b51259f6 |
2628 | void *logctx; |
4a8fc3c4 |
2629 | |
2630 | /* Separate host and username */ |
2631 | host = userhost; |
2632 | host = strrchr(host, '@'); |
2633 | if (host == NULL) { |
2634 | host = userhost; |
2635 | } else { |
2636 | *host++ = '\0'; |
2637 | if (user) { |
32874aea |
2638 | printf("psftp: multiple usernames specified; using \"%s\"\n", |
2639 | user); |
4a8fc3c4 |
2640 | } else |
2641 | user = userhost; |
2642 | } |
2643 | |
18e62ad8 |
2644 | /* |
2645 | * If we haven't loaded session details already (e.g., from -load), |
2646 | * try looking for a session called "host". |
2647 | */ |
2648 | if (!loaded_session) { |
2649 | /* Try to load settings for `host' into a temporary config */ |
2650 | Config cfg2; |
2651 | cfg2.host[0] = '\0'; |
2652 | do_defaults(host, &cfg2); |
2653 | if (cfg2.host[0] != '\0') { |
2654 | /* Settings present and include hostname */ |
2655 | /* Re-load data into the real config. */ |
2656 | do_defaults(host, &cfg); |
2657 | } else { |
2658 | /* Session doesn't exist or mention a hostname. */ |
2659 | /* Use `host' as a bare hostname. */ |
2660 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
2661 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
2662 | } |
2663 | } else { |
2664 | /* Patch in hostname `host' to session details. */ |
32874aea |
2665 | strncpy(cfg.host, host, sizeof(cfg.host) - 1); |
2666 | cfg.host[sizeof(cfg.host) - 1] = '\0'; |
f133db8e |
2667 | } |
2668 | |
2669 | /* |
2670 | * Force use of SSH. (If they got the protocol wrong we assume the |
2671 | * port is useless too.) |
2672 | */ |
2673 | if (cfg.protocol != PROT_SSH) { |
2674 | cfg.protocol = PROT_SSH; |
2675 | cfg.port = 22; |
4a8fc3c4 |
2676 | } |
2677 | |
449925a6 |
2678 | /* |
4123fa9a |
2679 | * If saved session / Default Settings says SSH-1 (`1 only' or `1'), |
2680 | * then change it to SSH-2, on the grounds that that's more likely to |
2681 | * work for SFTP. (Can be overridden with `-1' option.) |
2682 | * But if it says `2 only' or `2', respect which. |
2683 | */ |
2684 | if (cfg.sshprot != 2 && cfg.sshprot != 3) |
2685 | cfg.sshprot = 2; |
2686 | |
2687 | /* |
c0a81592 |
2688 | * Enact command-line overrides. |
2689 | */ |
5555d393 |
2690 | cmdline_run_saved(&cfg); |
c0a81592 |
2691 | |
2692 | /* |
449925a6 |
2693 | * Trim leading whitespace off the hostname if it's there. |
2694 | */ |
2695 | { |
2696 | int space = strspn(cfg.host, " \t"); |
2697 | memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space); |
2698 | } |
2699 | |
2700 | /* See if host is of the form user@host */ |
2701 | if (cfg.host[0] != '\0') { |
5dd103a8 |
2702 | char *atsign = strrchr(cfg.host, '@'); |
449925a6 |
2703 | /* Make sure we're not overflowing the user field */ |
2704 | if (atsign) { |
2705 | if (atsign - cfg.host < sizeof cfg.username) { |
2706 | strncpy(cfg.username, cfg.host, atsign - cfg.host); |
2707 | cfg.username[atsign - cfg.host] = '\0'; |
2708 | } |
2709 | memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1)); |
2710 | } |
2711 | } |
2712 | |
2713 | /* |
2714 | * Trim a colon suffix off the hostname if it's there. |
2715 | */ |
2716 | cfg.host[strcspn(cfg.host, ":")] = '\0'; |
2717 | |
cae0c023 |
2718 | /* |
2719 | * Remove any remaining whitespace from the hostname. |
2720 | */ |
2721 | { |
2722 | int p1 = 0, p2 = 0; |
2723 | while (cfg.host[p2] != '\0') { |
2724 | if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') { |
2725 | cfg.host[p1] = cfg.host[p2]; |
2726 | p1++; |
2727 | } |
2728 | p2++; |
2729 | } |
2730 | cfg.host[p1] = '\0'; |
2731 | } |
2732 | |
4a8fc3c4 |
2733 | /* Set username */ |
2734 | if (user != NULL && user[0] != '\0') { |
32874aea |
2735 | strncpy(cfg.username, user, sizeof(cfg.username) - 1); |
2736 | cfg.username[sizeof(cfg.username) - 1] = '\0'; |
4a8fc3c4 |
2737 | } |
4a8fc3c4 |
2738 | |
4a8fc3c4 |
2739 | if (portnumber) |
2740 | cfg.port = portnumber; |
2741 | |
d27b4a18 |
2742 | /* |
2743 | * Disable scary things which shouldn't be enabled for simple |
2744 | * things like SCP and SFTP: agent forwarding, port forwarding, |
2745 | * X forwarding. |
2746 | */ |
2747 | cfg.x11_forward = 0; |
2748 | cfg.agentfwd = 0; |
2749 | cfg.portfwd[0] = cfg.portfwd[1] = '\0'; |
2750 | |
bebf22d0 |
2751 | /* Set up subsystem name. */ |
4a8fc3c4 |
2752 | strcpy(cfg.remote_cmd, "sftp"); |
2753 | cfg.ssh_subsys = TRUE; |
2754 | cfg.nopty = TRUE; |
2755 | |
bebf22d0 |
2756 | /* |
2e85c969 |
2757 | * Set up fallback option, for SSH-1 servers or servers with the |
bebf22d0 |
2758 | * sftp subsystem not enabled but the server binary installed |
2759 | * in the usual place. We only support fallback on Unix |
248c0c5a |
2760 | * systems, and we use a kludgy piece of shellery which should |
2761 | * try to find sftp-server in various places (the obvious |
2762 | * systemwide spots /usr/lib and /usr/local/lib, and then the |
2763 | * user's PATH) and finally give up. |
bebf22d0 |
2764 | * |
248c0c5a |
2765 | * test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server |
2766 | * test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server |
2767 | * exec sftp-server |
bebf22d0 |
2768 | * |
2769 | * the idea being that this will attempt to use either of the |
2770 | * obvious pathnames and then give up, and when it does give up |
2771 | * it will print the preferred pathname in the error messages. |
2772 | */ |
2773 | cfg.remote_cmd_ptr2 = |
248c0c5a |
2774 | "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" |
2775 | "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" |
2776 | "exec sftp-server"; |
bebf22d0 |
2777 | cfg.ssh_subsys2 = FALSE; |
2778 | |
4a8fc3c4 |
2779 | back = &ssh_backend; |
2780 | |
79bf227b |
2781 | err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost, |
2782 | 0, cfg.tcp_keepalives); |
4a8fc3c4 |
2783 | if (err != NULL) { |
fa3db767 |
2784 | fprintf(stderr, "ssh_init: %s\n", err); |
4a8fc3c4 |
2785 | return 1; |
2786 | } |
c229ef97 |
2787 | logctx = log_init(NULL, &cfg); |
a8327734 |
2788 | back->provide_logctx(backhandle, logctx); |
d3fef4a5 |
2789 | console_provide_logctx(logctx); |
d6cc41e6 |
2790 | while (!back->sendok(backhandle)) { |
2791 | if (ssh_sftp_loop_iteration() < 0) { |
2792 | fprintf(stderr, "ssh_init: error during SSH connection setup\n"); |
2793 | return 1; |
2794 | } |
2795 | } |
4a8fc3c4 |
2796 | if (verbose && realhost != NULL) |
2797 | printf("Connected to %s\n", realhost); |
679539d7 |
2798 | if (realhost != NULL) |
2799 | sfree(realhost); |
fa3db767 |
2800 | return 0; |
2801 | } |
2802 | |
c0a81592 |
2803 | void cmdline_error(char *p, ...) |
2804 | { |
2805 | va_list ap; |
86256dc6 |
2806 | fprintf(stderr, "psftp: "); |
c0a81592 |
2807 | va_start(ap, p); |
2808 | vfprintf(stderr, p, ap); |
2809 | va_end(ap); |
86256dc6 |
2810 | fprintf(stderr, "\n try typing \"psftp -h\" for help\n"); |
c0a81592 |
2811 | exit(1); |
2812 | } |
2813 | |
fa3db767 |
2814 | /* |
2815 | * Main program. Parse arguments etc. |
2816 | */ |
d6cc41e6 |
2817 | int psftp_main(int argc, char *argv[]) |
fa3db767 |
2818 | { |
2819 | int i; |
2820 | int portnumber = 0; |
2821 | char *userhost, *user; |
2822 | int mode = 0; |
2823 | int modeflags = 0; |
2824 | char *batchfile = NULL; |
86256dc6 |
2825 | int errors = 0; |
fa3db767 |
2826 | |
b51259f6 |
2827 | flags = FLAG_STDERR | FLAG_INTERACTIVE |
2828 | #ifdef FLAG_SYNCAGENT |
2829 | | FLAG_SYNCAGENT |
2830 | #endif |
2831 | ; |
c0a81592 |
2832 | cmdline_tooltype = TOOLTYPE_FILETRANSFER; |
fa3db767 |
2833 | sk_init(); |
2834 | |
2835 | userhost = user = NULL; |
2836 | |
18e62ad8 |
2837 | /* Load Default Settings before doing anything else. */ |
2838 | do_defaults(NULL, &cfg); |
2839 | loaded_session = FALSE; |
2840 | |
86256dc6 |
2841 | errors = 0; |
fa3db767 |
2842 | for (i = 1; i < argc; i++) { |
c0a81592 |
2843 | int ret; |
fa3db767 |
2844 | if (argv[i][0] != '-') { |
c0a81592 |
2845 | if (userhost) |
2846 | usage(); |
2847 | else |
2848 | userhost = dupstr(argv[i]); |
2849 | continue; |
2850 | } |
5555d393 |
2851 | ret = cmdline_process_param(argv[i], i+1<argc?argv[i+1]:NULL, 1, &cfg); |
c0a81592 |
2852 | if (ret == -2) { |
2853 | cmdline_error("option \"%s\" requires an argument", argv[i]); |
2854 | } else if (ret == 2) { |
2855 | i++; /* skip next argument */ |
2856 | } else if (ret == 1) { |
2857 | /* We have our own verbosity in addition to `flags'. */ |
2858 | if (flags & FLAG_VERBOSE) |
2859 | verbose = 1; |
fa3db767 |
2860 | } else if (strcmp(argv[i], "-h") == 0 || |
2861 | strcmp(argv[i], "-?") == 0) { |
2862 | usage(); |
2285d016 |
2863 | } else if (strcmp(argv[i], "-pgpfp") == 0) { |
2864 | pgp_fingerprints(); |
2865 | return 1; |
dc108ebc |
2866 | } else if (strcmp(argv[i], "-V") == 0) { |
2867 | version(); |
c0a81592 |
2868 | } else if (strcmp(argv[i], "-batch") == 0) { |
2869 | console_batch_mode = 1; |
fa3db767 |
2870 | } else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) { |
2871 | mode = 1; |
2872 | batchfile = argv[++i]; |
d13c2ee9 |
2873 | } else if (strcmp(argv[i], "-bc") == 0) { |
fa3db767 |
2874 | modeflags = modeflags | 1; |
d13c2ee9 |
2875 | } else if (strcmp(argv[i], "-be") == 0) { |
fa3db767 |
2876 | modeflags = modeflags | 2; |
2877 | } else if (strcmp(argv[i], "--") == 0) { |
2878 | i++; |
2879 | break; |
2880 | } else { |
86256dc6 |
2881 | cmdline_error("unknown option \"%s\"", argv[i]); |
fa3db767 |
2882 | } |
2883 | } |
2884 | argc -= i; |
2885 | argv += i; |
2886 | back = NULL; |
2887 | |
2888 | /* |
e1bb41d1 |
2889 | * If the loaded session provides a hostname, and a hostname has not |
2890 | * otherwise been specified, pop it in `userhost' so that |
2891 | * `psftp -load sessname' is sufficient to start a session. |
2892 | */ |
2893 | if (!userhost && cfg.host[0] != '\0') { |
2894 | userhost = dupstr(cfg.host); |
2895 | } |
2896 | |
2897 | /* |
fa3db767 |
2898 | * If a user@host string has already been provided, connect to |
2899 | * it now. |
2900 | */ |
2901 | if (userhost) { |
679539d7 |
2902 | int ret; |
2903 | ret = psftp_connect(userhost, user, portnumber); |
2904 | sfree(userhost); |
2905 | if (ret) |
fa3db767 |
2906 | return 1; |
774204f5 |
2907 | if (do_sftp_init()) |
2908 | return 1; |
fa3db767 |
2909 | } else { |
2910 | printf("psftp: no hostname specified; use \"open host.name\"" |
679539d7 |
2911 | " to connect\n"); |
fa3db767 |
2912 | } |
4c7f0d61 |
2913 | |
9954aaa3 |
2914 | do_sftp(mode, modeflags, batchfile); |
4a8fc3c4 |
2915 | |
6226c939 |
2916 | if (back != NULL && back->connected(backhandle)) { |
4a8fc3c4 |
2917 | char ch; |
51470298 |
2918 | back->special(backhandle, TS_EOF); |
4a8fc3c4 |
2919 | sftp_recvdata(&ch, 1); |
2920 | } |
b614ce89 |
2921 | do_sftp_cleanup(); |
4a8fc3c4 |
2922 | random_save_seed(); |
679539d7 |
2923 | cmdline_cleanup(); |
2924 | console_provide_logctx(NULL); |
679539d7 |
2925 | sk_cleanup(); |
4a8fc3c4 |
2926 | |
4c7f0d61 |
2927 | return 0; |
2928 | } |