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 | |
42704c97 |
19 | const char *const appname = "PSFTP"; |
20 | |
5471d09a |
21 | /* |
22 | * Since SFTP is a request-response oriented protocol, it requires |
23 | * no buffer management: when we send data, we stop and wait for an |
24 | * acknowledgement _anyway_, and so we can't possibly overfill our |
25 | * send buffer. |
26 | */ |
27 | |
fa3db767 |
28 | static int psftp_connect(char *userhost, char *user, int portnumber); |
07534184 |
29 | static int do_sftp_init(void); |
679539d7 |
30 | void do_sftp_cleanup(); |
fa3db767 |
31 | |
4c7f0d61 |
32 | /* ---------------------------------------------------------------------- |
4c7f0d61 |
33 | * sftp client state. |
34 | */ |
35 | |
36 | char *pwd, *homedir; |
6b78788a |
37 | static Backend *back; |
38 | static void *backhandle; |
4a693cfc |
39 | static Conf *conf; |
bc06669b |
40 | int sent_eof = FALSE; |
4c7f0d61 |
41 | |
42 | /* ---------------------------------------------------------------------- |
43 | * Higher-level helper functions used in commands. |
44 | */ |
45 | |
46 | /* |
f9e162aa |
47 | * Attempt to canonify a pathname starting from the pwd. If |
48 | * canonification fails, at least fall back to returning a _valid_ |
49 | * pathname (though it may be ugly, eg /home/simon/../foobar). |
4c7f0d61 |
50 | */ |
32874aea |
51 | char *canonify(char *name) |
52 | { |
f9e162aa |
53 | char *fullname, *canonname; |
1bc24185 |
54 | struct sftp_packet *pktin; |
55 | struct sftp_request *req, *rreq; |
4a8fc3c4 |
56 | |
f9e162aa |
57 | if (name[0] == '/') { |
58 | fullname = dupstr(name); |
59 | } else { |
4a8fc3c4 |
60 | char *slash; |
32874aea |
61 | if (pwd[strlen(pwd) - 1] == '/') |
4a8fc3c4 |
62 | slash = ""; |
63 | else |
64 | slash = "/"; |
65 | fullname = dupcat(pwd, slash, name, NULL); |
f9e162aa |
66 | } |
4a8fc3c4 |
67 | |
1bc24185 |
68 | sftp_register(req = fxp_realpath_send(fullname)); |
69 | rreq = sftp_find_request(pktin = sftp_recv()); |
70 | assert(rreq == req); |
7b7de4f4 |
71 | canonname = fxp_realpath_recv(pktin, rreq); |
4a8fc3c4 |
72 | |
f9e162aa |
73 | if (canonname) { |
74 | sfree(fullname); |
75 | return canonname; |
50d7e054 |
76 | } else { |
32874aea |
77 | /* |
78 | * Attempt number 2. Some FXP_REALPATH implementations |
79 | * (glibc-based ones, in particular) require the _whole_ |
80 | * path to point to something that exists, whereas others |
81 | * (BSD-based) only require all but the last component to |
82 | * exist. So if the first call failed, we should strip off |
83 | * everything from the last slash onwards and try again, |
84 | * then put the final component back on. |
85 | * |
86 | * Special cases: |
87 | * |
88 | * - if the last component is "/." or "/..", then we don't |
89 | * bother trying this because there's no way it can work. |
90 | * |
91 | * - if the thing actually ends with a "/", we remove it |
92 | * before we start. Except if the string is "/" itself |
93 | * (although I can't see why we'd have got here if so, |
94 | * because surely "/" would have worked the first |
95 | * time?), in which case we don't bother. |
96 | * |
97 | * - if there's no slash in the string at all, give up in |
98 | * confusion (we expect at least one because of the way |
99 | * we constructed the string). |
100 | */ |
101 | |
102 | int i; |
103 | char *returnname; |
104 | |
105 | i = strlen(fullname); |
106 | if (i > 2 && fullname[i - 1] == '/') |
107 | fullname[--i] = '\0'; /* strip trailing / unless at pos 0 */ |
108 | while (i > 0 && fullname[--i] != '/'); |
109 | |
110 | /* |
111 | * Give up on special cases. |
112 | */ |
113 | if (fullname[i] != '/' || /* no slash at all */ |
114 | !strcmp(fullname + i, "/.") || /* ends in /. */ |
115 | !strcmp(fullname + i, "/..") || /* ends in /.. */ |
116 | !strcmp(fullname, "/")) { |
117 | return fullname; |
118 | } |
119 | |
120 | /* |
121 | * Now i points at the slash. Deal with the final special |
122 | * case i==0 (ie the whole path was "/nonexistentfile"). |
123 | */ |
124 | fullname[i] = '\0'; /* separate the string */ |
125 | if (i == 0) { |
1bc24185 |
126 | sftp_register(req = fxp_realpath_send("/")); |
32874aea |
127 | } else { |
1bc24185 |
128 | sftp_register(req = fxp_realpath_send(fullname)); |
32874aea |
129 | } |
1bc24185 |
130 | rreq = sftp_find_request(pktin = sftp_recv()); |
131 | assert(rreq == req); |
7b7de4f4 |
132 | canonname = fxp_realpath_recv(pktin, rreq); |
32874aea |
133 | |
e25883f8 |
134 | if (!canonname) { |
135 | /* Even that failed. Restore our best guess at the |
136 | * constructed filename and give up */ |
137 | fullname[i] = '/'; /* restore slash and last component */ |
138 | return fullname; |
139 | } |
32874aea |
140 | |
141 | /* |
142 | * We have a canonical name for all but the last path |
143 | * component. Concatenate the last component and return. |
144 | */ |
145 | returnname = dupcat(canonname, |
146 | canonname[strlen(canonname) - 1] == |
147 | '/' ? "" : "/", fullname + i + 1, NULL); |
148 | sfree(fullname); |
149 | sfree(canonname); |
150 | return returnname; |
50d7e054 |
151 | } |
4c7f0d61 |
152 | } |
153 | |
dcf8495c |
154 | /* |
155 | * Return a pointer to the portion of str that comes after the last |
156 | * slash (or backslash or colon, if `local' is TRUE). |
157 | */ |
158 | static char *stripslashes(char *str, int local) |
159 | { |
160 | char *p; |
161 | |
162 | if (local) { |
163 | p = strchr(str, ':'); |
164 | if (p) str = p+1; |
165 | } |
166 | |
167 | p = strrchr(str, '/'); |
168 | if (p) str = p+1; |
169 | |
170 | if (local) { |
171 | p = strrchr(str, '\\'); |
172 | if (p) str = p+1; |
173 | } |
174 | |
175 | return str; |
176 | } |
177 | |
4c7f0d61 |
178 | /* |
93e86a8b |
179 | * qsort comparison routine for fxp_name structures. Sorts by real |
180 | * file name. |
4c7f0d61 |
181 | */ |
93e86a8b |
182 | static int sftp_name_compare(const void *av, const void *bv) |
32874aea |
183 | { |
7d2c1789 |
184 | const struct fxp_name *const *a = (const struct fxp_name *const *) av; |
185 | const struct fxp_name *const *b = (const struct fxp_name *const *) bv; |
186 | return strcmp((*a)->filename, (*b)->filename); |
4c7f0d61 |
187 | } |
4c7f0d61 |
188 | |
189 | /* |
93e86a8b |
190 | * Likewise, but for a bare char *. |
4f2b387f |
191 | */ |
93e86a8b |
192 | static int bare_name_compare(const void *av, const void *bv) |
4f2b387f |
193 | { |
93e86a8b |
194 | const char **a = (const char **) av; |
195 | const char **b = (const char **) bv; |
196 | return strcmp(*a, *b); |
4f2b387f |
197 | } |
198 | |
38f0c08e |
199 | static void not_connected(void) |
200 | { |
201 | printf("psftp: not connected to a host; use \"open host.name\"\n"); |
202 | } |
203 | |
93e86a8b |
204 | /* ---------------------------------------------------------------------- |
205 | * The meat of the `get' and `put' commands. |
4c7f0d61 |
206 | */ |
5079ee6d |
207 | int sftp_get_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
208 | { |
4c7f0d61 |
209 | struct fxp_handle *fh; |
1bc24185 |
210 | struct sftp_packet *pktin; |
211 | struct sftp_request *req, *rreq; |
c606c42d |
212 | struct fxp_xfer *xfer; |
4c7f0d61 |
213 | uint64 offset; |
0ac1920c |
214 | WFile *file; |
479fe1ba |
215 | int ret, shown_err = FALSE; |
ee07dce4 |
216 | struct fxp_attrs attrs; |
4c7f0d61 |
217 | |
93e86a8b |
218 | /* |
219 | * In recursive mode, see if we're dealing with a directory. |
220 | * (If we're not in recursive mode, we need not even check: the |
221 | * subsequent FXP_OPEN will return a usable error message.) |
222 | */ |
5079ee6d |
223 | if (recurse) { |
93e86a8b |
224 | int result; |
fa3db767 |
225 | |
5079ee6d |
226 | sftp_register(req = fxp_stat_send(fname)); |
227 | rreq = sftp_find_request(pktin = sftp_recv()); |
228 | assert(rreq == req); |
229 | result = fxp_stat_recv(pktin, rreq, &attrs); |
9c77ddf6 |
230 | |
5079ee6d |
231 | if (result && |
232 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
233 | (attrs.permissions & 0040000)) { |
93e86a8b |
234 | |
235 | struct fxp_handle *dirhandle; |
236 | int nnames, namesize; |
237 | struct fxp_name **ournames; |
238 | struct fxp_names *names; |
239 | int i; |
240 | |
241 | /* |
242 | * First, attempt to create the destination directory, |
5079ee6d |
243 | * unless it already exists. |
93e86a8b |
244 | */ |
5079ee6d |
245 | if (file_type(outfname) != FILE_TYPE_DIRECTORY && |
93e86a8b |
246 | !create_directory(outfname)) { |
247 | printf("%s: Cannot create directory\n", outfname); |
248 | return 0; |
249 | } |
4c7f0d61 |
250 | |
93e86a8b |
251 | /* |
252 | * Now get the list of filenames in the remote |
253 | * directory. |
254 | */ |
255 | sftp_register(req = fxp_opendir_send(fname)); |
256 | rreq = sftp_find_request(pktin = sftp_recv()); |
257 | assert(rreq == req); |
258 | dirhandle = fxp_opendir_recv(pktin, rreq); |
259 | |
260 | if (!dirhandle) { |
261 | printf("%s: unable to open directory: %s\n", |
262 | fname, fxp_error()); |
263 | return 0; |
264 | } |
265 | nnames = namesize = 0; |
266 | ournames = NULL; |
267 | while (1) { |
268 | int i; |
269 | |
270 | sftp_register(req = fxp_readdir_send(dirhandle)); |
271 | rreq = sftp_find_request(pktin = sftp_recv()); |
272 | assert(rreq == req); |
273 | names = fxp_readdir_recv(pktin, rreq); |
274 | |
275 | if (names == NULL) { |
276 | if (fxp_error_type() == SSH_FX_EOF) |
277 | break; |
278 | printf("%s: reading directory: %s\n", fname, fxp_error()); |
279 | sfree(ournames); |
280 | return 0; |
281 | } |
282 | if (names->nnames == 0) { |
283 | fxp_free_names(names); |
284 | break; |
285 | } |
286 | if (nnames + names->nnames >= namesize) { |
287 | namesize += names->nnames + 128; |
288 | ournames = sresize(ournames, namesize, struct fxp_name *); |
289 | } |
290 | for (i = 0; i < names->nnames; i++) |
e9d14678 |
291 | if (strcmp(names->names[i].filename, ".") && |
5079ee6d |
292 | strcmp(names->names[i].filename, "..")) { |
e9d14678 |
293 | if (!vet_filename(names->names[i].filename)) { |
294 | printf("ignoring potentially dangerous server-" |
295 | "supplied filename '%s'\n", |
296 | names->names[i].filename); |
297 | } else { |
298 | ournames[nnames++] = |
299 | fxp_dup_name(&names->names[i]); |
300 | } |
301 | } |
93e86a8b |
302 | fxp_free_names(names); |
303 | } |
304 | sftp_register(req = fxp_close_send(dirhandle)); |
305 | rreq = sftp_find_request(pktin = sftp_recv()); |
306 | assert(rreq == req); |
307 | fxp_close_recv(pktin, rreq); |
308 | |
309 | /* |
310 | * Sort the names into a clear order. This ought to |
311 | * make things more predictable when we're doing a |
312 | * reget of the same directory, just in case two |
313 | * readdirs on the same remote directory return a |
314 | * different order. |
315 | */ |
316 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
317 | |
318 | /* |
319 | * If we're in restart mode, find the last filename on |
320 | * this list that already exists. We may have to do a |
321 | * reget on _that_ file, but shouldn't have to do |
322 | * anything on the previous files. |
323 | * |
324 | * If none of them exists, of course, we start at 0. |
325 | */ |
326 | i = 0; |
60f9c221 |
327 | if (restart) { |
328 | while (i < nnames) { |
329 | char *nextoutfname; |
330 | int ret; |
331 | if (outfname) |
332 | nextoutfname = dir_file_cat(outfname, |
333 | ournames[i]->filename); |
334 | else |
335 | nextoutfname = dupstr(ournames[i]->filename); |
336 | ret = (file_type(nextoutfname) == FILE_TYPE_NONEXISTENT); |
337 | sfree(nextoutfname); |
338 | if (ret) |
339 | break; |
340 | i++; |
341 | } |
342 | if (i > 0) |
343 | i--; |
344 | } |
93e86a8b |
345 | |
346 | /* |
347 | * Now we're ready to recurse. Starting at ournames[i] |
348 | * and continuing on to the end of the list, we |
349 | * construct a new source and target file name, and |
350 | * call sftp_get_file again. |
351 | */ |
352 | for (; i < nnames; i++) { |
353 | char *nextfname, *nextoutfname; |
354 | int ret; |
355 | |
356 | nextfname = dupcat(fname, "/", ournames[i]->filename, NULL); |
9c77ddf6 |
357 | if (outfname) |
358 | nextoutfname = dir_file_cat(outfname, |
359 | ournames[i]->filename); |
360 | else |
361 | nextoutfname = dupstr(ournames[i]->filename); |
5079ee6d |
362 | ret = sftp_get_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
363 | restart = FALSE; /* after first partial file, do full */ |
364 | sfree(nextoutfname); |
365 | sfree(nextfname); |
366 | if (!ret) { |
367 | for (i = 0; i < nnames; i++) { |
368 | fxp_free_name(ournames[i]); |
369 | } |
370 | sfree(ournames); |
371 | return 0; |
372 | } |
373 | } |
374 | |
375 | /* |
376 | * Done this recursion level. Free everything. |
377 | */ |
378 | for (i = 0; i < nnames; i++) { |
379 | fxp_free_name(ournames[i]); |
380 | } |
381 | sfree(ournames); |
382 | |
383 | return 1; |
384 | } |
4c7f0d61 |
385 | } |
4c7f0d61 |
386 | |
ee07dce4 |
387 | sftp_register(req = fxp_stat_send(fname)); |
388 | rreq = sftp_find_request(pktin = sftp_recv()); |
389 | assert(rreq == req); |
390 | if (!fxp_stat_recv(pktin, rreq, &attrs)) |
391 | attrs.flags = 0; |
392 | |
393 | sftp_register(req = fxp_open_send(fname, SSH_FXF_READ, NULL)); |
1bc24185 |
394 | rreq = sftp_find_request(pktin = sftp_recv()); |
395 | assert(rreq == req); |
7b7de4f4 |
396 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
397 | |
4c7f0d61 |
398 | if (!fh) { |
4dc846cd |
399 | printf("%s: open for read: %s\n", fname, fxp_error()); |
4c7f0d61 |
400 | return 0; |
401 | } |
d92624dc |
402 | |
403 | if (restart) { |
0ac1920c |
404 | file = open_existing_wfile(outfname, NULL); |
d92624dc |
405 | } else { |
ee07dce4 |
406 | file = open_new_file(outfname, GET_PERMISSIONS(attrs)); |
d92624dc |
407 | } |
408 | |
0ac1920c |
409 | if (!file) { |
4c7f0d61 |
410 | printf("local: unable to open %s\n", outfname); |
1bc24185 |
411 | |
412 | sftp_register(req = fxp_close_send(fh)); |
413 | rreq = sftp_find_request(pktin = sftp_recv()); |
414 | assert(rreq == req); |
7b7de4f4 |
415 | fxp_close_recv(pktin, rreq); |
1bc24185 |
416 | |
4c7f0d61 |
417 | return 0; |
418 | } |
419 | |
d92624dc |
420 | if (restart) { |
0ac1920c |
421 | char decbuf[30]; |
422 | if (seek_file(file, uint64_make(0,0) , FROM_END) == -1) { |
20c2ef84 |
423 | close_wfile(file); |
0ac1920c |
424 | printf("reget: cannot restart %s - file too large\n", |
425 | outfname); |
20c2ef84 |
426 | sftp_register(req = fxp_close_send(fh)); |
427 | rreq = sftp_find_request(pktin = sftp_recv()); |
428 | assert(rreq == req); |
429 | fxp_close_recv(pktin, rreq); |
0ac1920c |
430 | |
20c2ef84 |
431 | return 0; |
0ac1920c |
432 | } |
433 | |
434 | offset = get_file_posn(file); |
435 | uint64_decimal(offset, decbuf); |
436 | printf("reget: restarting at file position %s\n", decbuf); |
d92624dc |
437 | } else { |
438 | offset = uint64_make(0, 0); |
439 | } |
4c7f0d61 |
440 | |
d92624dc |
441 | printf("remote:%s => local:%s\n", fname, outfname); |
4c7f0d61 |
442 | |
443 | /* |
444 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
445 | * thus put up a progress bar. |
446 | */ |
df49ff19 |
447 | ret = 1; |
c606c42d |
448 | xfer = xfer_download_init(fh, offset); |
df0870fc |
449 | while (!xfer_done(xfer)) { |
c606c42d |
450 | void *vbuf; |
451 | int ret, len; |
4c7f0d61 |
452 | int wpos, wlen; |
453 | |
c606c42d |
454 | xfer_download_queue(xfer); |
455 | pktin = sftp_recv(); |
456 | ret = xfer_download_gotpkt(xfer, pktin); |
457 | |
458 | if (ret < 0) { |
479fe1ba |
459 | if (!shown_err) { |
460 | printf("error while reading: %s\n", fxp_error()); |
461 | shown_err = TRUE; |
462 | } |
c606c42d |
463 | ret = 0; |
4c7f0d61 |
464 | } |
32874aea |
465 | |
c606c42d |
466 | while (xfer_download_data(xfer, &vbuf, &len)) { |
467 | unsigned char *buf = (unsigned char *)vbuf; |
468 | |
469 | wpos = 0; |
470 | while (wpos < len) { |
0ac1920c |
471 | wlen = write_to_file(file, buf + wpos, len - wpos); |
c606c42d |
472 | if (wlen <= 0) { |
473 | printf("error while writing local file\n"); |
474 | ret = 0; |
475 | xfer_set_error(xfer); |
51618e4b |
476 | break; |
c606c42d |
477 | } |
478 | wpos += wlen; |
479 | } |
480 | if (wpos < len) { /* we had an error */ |
df49ff19 |
481 | ret = 0; |
c606c42d |
482 | xfer_set_error(xfer); |
4c7f0d61 |
483 | } |
9ff4e23d |
484 | |
485 | sfree(vbuf); |
df49ff19 |
486 | } |
4c7f0d61 |
487 | } |
488 | |
c606c42d |
489 | xfer_cleanup(xfer); |
490 | |
0ac1920c |
491 | close_wfile(file); |
1bc24185 |
492 | |
493 | sftp_register(req = fxp_close_send(fh)); |
494 | rreq = sftp_find_request(pktin = sftp_recv()); |
495 | assert(rreq == req); |
7b7de4f4 |
496 | fxp_close_recv(pktin, rreq); |
1bc24185 |
497 | |
df49ff19 |
498 | return ret; |
4c7f0d61 |
499 | } |
500 | |
5079ee6d |
501 | int sftp_put_file(char *fname, char *outfname, int recurse, int restart) |
32874aea |
502 | { |
4c7f0d61 |
503 | struct fxp_handle *fh; |
df0870fc |
504 | struct fxp_xfer *xfer; |
1bc24185 |
505 | struct sftp_packet *pktin; |
506 | struct sftp_request *req, *rreq; |
4c7f0d61 |
507 | uint64 offset; |
0ac1920c |
508 | RFile *file; |
df0870fc |
509 | int ret, err, eof; |
ee07dce4 |
510 | struct fxp_attrs attrs; |
511 | long permissions; |
4c7f0d61 |
512 | |
93e86a8b |
513 | /* |
514 | * In recursive mode, see if we're dealing with a directory. |
515 | * (If we're not in recursive mode, we need not even check: the |
516 | * subsequent fopen will return an error message.) |
517 | */ |
5079ee6d |
518 | if (recurse && file_type(fname) == FILE_TYPE_DIRECTORY) { |
93e86a8b |
519 | int result; |
520 | int nnames, namesize; |
521 | char *name, **ournames; |
522 | DirHandle *dh; |
523 | int i; |
4c7f0d61 |
524 | |
5079ee6d |
525 | /* |
526 | * First, attempt to create the destination directory, |
527 | * unless it already exists. |
528 | */ |
529 | sftp_register(req = fxp_stat_send(outfname)); |
530 | rreq = sftp_find_request(pktin = sftp_recv()); |
531 | assert(rreq == req); |
532 | result = fxp_stat_recv(pktin, rreq, &attrs); |
533 | if (!result || |
534 | !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) || |
535 | !(attrs.permissions & 0040000)) { |
536 | sftp_register(req = fxp_mkdir_send(outfname)); |
93e86a8b |
537 | rreq = sftp_find_request(pktin = sftp_recv()); |
538 | assert(rreq == req); |
5079ee6d |
539 | result = fxp_mkdir_recv(pktin, rreq); |
93e86a8b |
540 | |
5079ee6d |
541 | if (!result) { |
542 | printf("%s: create directory: %s\n", |
543 | outfname, fxp_error()); |
544 | return 0; |
93e86a8b |
545 | } |
546 | } |
547 | |
548 | /* |
549 | * Now get the list of filenames in the local directory. |
550 | */ |
93e86a8b |
551 | nnames = namesize = 0; |
552 | ournames = NULL; |
9c77ddf6 |
553 | |
5079ee6d |
554 | dh = open_directory(fname); |
555 | if (!dh) { |
556 | printf("%s: unable to open directory\n", fname); |
557 | return 0; |
9c77ddf6 |
558 | } |
5079ee6d |
559 | while ((name = read_filename(dh)) != NULL) { |
560 | if (nnames >= namesize) { |
561 | namesize += 128; |
562 | ournames = sresize(ournames, namesize, char *); |
563 | } |
564 | ournames[nnames++] = name; |
93e86a8b |
565 | } |
5079ee6d |
566 | close_directory(dh); |
93e86a8b |
567 | |
568 | /* |
569 | * Sort the names into a clear order. This ought to make |
570 | * things more predictable when we're doing a reput of the |
571 | * same directory, just in case two readdirs on the same |
572 | * local directory return a different order. |
573 | */ |
574 | qsort(ournames, nnames, sizeof(*ournames), bare_name_compare); |
575 | |
576 | /* |
577 | * If we're in restart mode, find the last filename on this |
578 | * list that already exists. We may have to do a reput on |
579 | * _that_ file, but shouldn't have to do anything on the |
580 | * previous files. |
581 | * |
582 | * If none of them exists, of course, we start at 0. |
583 | */ |
584 | i = 0; |
60f9c221 |
585 | if (restart) { |
586 | while (i < nnames) { |
587 | char *nextoutfname; |
588 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
589 | sftp_register(req = fxp_stat_send(nextoutfname)); |
590 | rreq = sftp_find_request(pktin = sftp_recv()); |
591 | assert(rreq == req); |
592 | result = fxp_stat_recv(pktin, rreq, &attrs); |
593 | sfree(nextoutfname); |
594 | if (!result) |
595 | break; |
596 | i++; |
597 | } |
598 | if (i > 0) |
599 | i--; |
600 | } |
601 | |
602 | /* |
603 | * Now we're ready to recurse. Starting at ournames[i] |
93e86a8b |
604 | * and continuing on to the end of the list, we |
605 | * construct a new source and target file name, and |
606 | * call sftp_put_file again. |
607 | */ |
608 | for (; i < nnames; i++) { |
609 | char *nextfname, *nextoutfname; |
610 | int ret; |
611 | |
9c77ddf6 |
612 | if (fname) |
613 | nextfname = dir_file_cat(fname, ournames[i]); |
614 | else |
615 | nextfname = dupstr(ournames[i]); |
93e86a8b |
616 | nextoutfname = dupcat(outfname, "/", ournames[i], NULL); |
5079ee6d |
617 | ret = sftp_put_file(nextfname, nextoutfname, recurse, restart); |
93e86a8b |
618 | restart = FALSE; /* after first partial file, do full */ |
619 | sfree(nextoutfname); |
620 | sfree(nextfname); |
621 | if (!ret) { |
622 | for (i = 0; i < nnames; i++) { |
623 | sfree(ournames[i]); |
624 | } |
625 | sfree(ournames); |
626 | return 0; |
627 | } |
628 | } |
629 | |
630 | /* |
631 | * Done this recursion level. Free everything. |
632 | */ |
633 | for (i = 0; i < nnames; i++) { |
634 | sfree(ournames[i]); |
635 | } |
636 | sfree(ournames); |
637 | |
638 | return 1; |
4c7f0d61 |
639 | } |
640 | |
ee07dce4 |
641 | file = open_existing_file(fname, NULL, NULL, NULL, &permissions); |
0ac1920c |
642 | if (!file) { |
4c7f0d61 |
643 | printf("local: unable to open %s\n", fname); |
4c7f0d61 |
644 | return 0; |
645 | } |
ee07dce4 |
646 | attrs.flags = 0; |
647 | PUT_PERMISSIONS(attrs, permissions); |
d92624dc |
648 | if (restart) { |
ee07dce4 |
649 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE, &attrs)); |
d92624dc |
650 | } else { |
1bc24185 |
651 | sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE | |
ee07dce4 |
652 | SSH_FXF_CREAT | SSH_FXF_TRUNC, |
653 | &attrs)); |
d92624dc |
654 | } |
1bc24185 |
655 | rreq = sftp_find_request(pktin = sftp_recv()); |
656 | assert(rreq == req); |
7b7de4f4 |
657 | fh = fxp_open_recv(pktin, rreq); |
1bc24185 |
658 | |
4c7f0d61 |
659 | if (!fh) { |
20c2ef84 |
660 | close_rfile(file); |
4dc846cd |
661 | printf("%s: open for write: %s\n", outfname, fxp_error()); |
4c7f0d61 |
662 | return 0; |
663 | } |
664 | |
d92624dc |
665 | if (restart) { |
666 | char decbuf[30]; |
667 | struct fxp_attrs attrs; |
1bc24185 |
668 | int ret; |
669 | |
670 | sftp_register(req = fxp_fstat_send(fh)); |
671 | rreq = sftp_find_request(pktin = sftp_recv()); |
672 | assert(rreq == req); |
7b7de4f4 |
673 | ret = fxp_fstat_recv(pktin, rreq, &attrs); |
1bc24185 |
674 | |
675 | if (!ret) { |
20c2ef84 |
676 | close_rfile(file); |
d92624dc |
677 | printf("read size of %s: %s\n", outfname, fxp_error()); |
d92624dc |
678 | return 0; |
679 | } |
680 | if (!(attrs.flags & SSH_FILEXFER_ATTR_SIZE)) { |
20c2ef84 |
681 | close_rfile(file); |
d92624dc |
682 | printf("read size of %s: size was not given\n", outfname); |
d92624dc |
683 | return 0; |
684 | } |
685 | offset = attrs.size; |
686 | uint64_decimal(offset, decbuf); |
687 | printf("reput: restarting at file position %s\n", decbuf); |
0ac1920c |
688 | |
689 | if (seek_file((WFile *)file, offset, FROM_START) != 0) |
690 | seek_file((WFile *)file, uint64_make(0,0), FROM_END); /* *shrug* */ |
d92624dc |
691 | } else { |
692 | offset = uint64_make(0, 0); |
693 | } |
4c7f0d61 |
694 | |
d92624dc |
695 | printf("local:%s => remote:%s\n", fname, outfname); |
4c7f0d61 |
696 | |
697 | /* |
698 | * FIXME: we can use FXP_FSTAT here to get the file size, and |
699 | * thus put up a progress bar. |
700 | */ |
df49ff19 |
701 | ret = 1; |
df0870fc |
702 | xfer = xfer_upload_init(fh, offset); |
703 | err = eof = 0; |
704 | while ((!err && !eof) || !xfer_done(xfer)) { |
4c7f0d61 |
705 | char buffer[4096]; |
1bc24185 |
706 | int len, ret; |
4c7f0d61 |
707 | |
df0870fc |
708 | while (xfer_upload_ready(xfer) && !err && !eof) { |
0ac1920c |
709 | len = read_from_file(file, buffer, sizeof(buffer)); |
df0870fc |
710 | if (len == -1) { |
711 | printf("error while reading local file\n"); |
712 | err = 1; |
713 | } else if (len == 0) { |
714 | eof = 1; |
715 | } else { |
716 | xfer_upload_data(xfer, buffer, len); |
717 | } |
4c7f0d61 |
718 | } |
1bc24185 |
719 | |
2dbd915a |
720 | if (!xfer_done(xfer)) { |
721 | pktin = sftp_recv(); |
722 | ret = xfer_upload_gotpkt(xfer, pktin); |
0bd57c0f |
723 | if (ret <= 0 && !err) { |
2dbd915a |
724 | printf("error while writing: %s\n", fxp_error()); |
725 | err = 1; |
726 | } |
4c7f0d61 |
727 | } |
4c7f0d61 |
728 | } |
729 | |
df0870fc |
730 | xfer_cleanup(xfer); |
731 | |
1bc24185 |
732 | sftp_register(req = fxp_close_send(fh)); |
733 | rreq = sftp_find_request(pktin = sftp_recv()); |
734 | assert(rreq == req); |
7b7de4f4 |
735 | fxp_close_recv(pktin, rreq); |
1bc24185 |
736 | |
0ac1920c |
737 | close_rfile(file); |
93e86a8b |
738 | |
739 | return ret; |
740 | } |
741 | |
742 | /* ---------------------------------------------------------------------- |
5079ee6d |
743 | * A remote wildcard matcher, providing a similar interface to the |
744 | * local one in psftp.h. |
745 | */ |
746 | |
747 | typedef struct SftpWildcardMatcher { |
748 | struct fxp_handle *dirh; |
749 | struct fxp_names *names; |
750 | int namepos; |
751 | char *wildcard, *prefix; |
752 | } SftpWildcardMatcher; |
753 | |
754 | SftpWildcardMatcher *sftp_begin_wildcard_matching(char *name) |
755 | { |
756 | struct sftp_packet *pktin; |
757 | struct sftp_request *req, *rreq; |
758 | char *wildcard; |
759 | char *unwcdir, *tmpdir, *cdir; |
760 | int len, check; |
761 | SftpWildcardMatcher *swcm; |
762 | struct fxp_handle *dirh; |
763 | |
764 | /* |
765 | * We don't handle multi-level wildcards; so we expect to find |
766 | * a fully specified directory part, followed by a wildcard |
767 | * after that. |
768 | */ |
769 | wildcard = stripslashes(name, 0); |
770 | |
771 | unwcdir = dupstr(name); |
772 | len = wildcard - name; |
773 | unwcdir[len] = '\0'; |
774 | if (len > 0 && unwcdir[len-1] == '/') |
775 | unwcdir[len-1] = '\0'; |
776 | tmpdir = snewn(1 + len, char); |
777 | check = wc_unescape(tmpdir, unwcdir); |
778 | sfree(tmpdir); |
779 | |
780 | if (!check) { |
781 | printf("Multiple-level wildcards are not supported\n"); |
782 | sfree(unwcdir); |
783 | return NULL; |
784 | } |
785 | |
786 | cdir = canonify(unwcdir); |
787 | |
788 | sftp_register(req = fxp_opendir_send(cdir)); |
789 | rreq = sftp_find_request(pktin = sftp_recv()); |
790 | assert(rreq == req); |
791 | dirh = fxp_opendir_recv(pktin, rreq); |
792 | |
793 | if (dirh) { |
794 | swcm = snew(SftpWildcardMatcher); |
795 | swcm->dirh = dirh; |
796 | swcm->names = NULL; |
797 | swcm->wildcard = dupstr(wildcard); |
798 | swcm->prefix = unwcdir; |
799 | } else { |
800 | printf("Unable to open %s: %s\n", cdir, fxp_error()); |
801 | swcm = NULL; |
802 | sfree(unwcdir); |
803 | } |
804 | |
805 | sfree(cdir); |
806 | |
807 | return swcm; |
808 | } |
809 | |
810 | char *sftp_wildcard_get_filename(SftpWildcardMatcher *swcm) |
811 | { |
812 | struct fxp_name *name; |
813 | struct sftp_packet *pktin; |
814 | struct sftp_request *req, *rreq; |
815 | |
816 | while (1) { |
817 | if (swcm->names && swcm->namepos >= swcm->names->nnames) { |
818 | fxp_free_names(swcm->names); |
819 | swcm->names = NULL; |
820 | } |
821 | |
822 | if (!swcm->names) { |
823 | sftp_register(req = fxp_readdir_send(swcm->dirh)); |
824 | rreq = sftp_find_request(pktin = sftp_recv()); |
825 | assert(rreq == req); |
826 | swcm->names = fxp_readdir_recv(pktin, rreq); |
827 | |
828 | if (!swcm->names) { |
829 | if (fxp_error_type() != SSH_FX_EOF) |
830 | printf("%s: reading directory: %s\n", swcm->prefix, |
831 | fxp_error()); |
832 | return NULL; |
6df3c104 |
833 | } else if (swcm->names->nnames == 0) { |
834 | /* |
835 | * Another failure mode which we treat as EOF is if |
836 | * the server reports success from FXP_READDIR but |
837 | * returns no actual names. This is unusual, since |
838 | * from most servers you'd expect at least "." and |
839 | * "..", but there's nothing forbidding a server from |
840 | * omitting those if it wants to. |
841 | */ |
842 | return NULL; |
843 | } |
5079ee6d |
844 | |
845 | swcm->namepos = 0; |
846 | } |
847 | |
848 | assert(swcm->names && swcm->namepos < swcm->names->nnames); |
849 | |
850 | name = &swcm->names->names[swcm->namepos++]; |
851 | |
852 | if (!strcmp(name->filename, ".") || !strcmp(name->filename, "..")) |
853 | continue; /* expected bad filenames */ |
854 | |
855 | if (!vet_filename(name->filename)) { |
856 | printf("ignoring potentially dangerous server-" |
857 | "supplied filename '%s'\n", name->filename); |
858 | continue; /* unexpected bad filename */ |
859 | } |
860 | |
861 | if (!wc_match(swcm->wildcard, name->filename)) |
862 | continue; /* doesn't match the wildcard */ |
863 | |
864 | /* |
865 | * We have a working filename. Return it. |
866 | */ |
867 | return dupprintf("%s%s%s", swcm->prefix, |
83567e43 |
868 | (!swcm->prefix[0] || |
869 | swcm->prefix[strlen(swcm->prefix)-1]=='/' ? |
870 | "" : "/"), |
5079ee6d |
871 | name->filename); |
872 | } |
873 | } |
874 | |
875 | void sftp_finish_wildcard_matching(SftpWildcardMatcher *swcm) |
876 | { |
877 | struct sftp_packet *pktin; |
878 | struct sftp_request *req, *rreq; |
879 | |
880 | sftp_register(req = fxp_close_send(swcm->dirh)); |
881 | rreq = sftp_find_request(pktin = sftp_recv()); |
882 | assert(rreq == req); |
883 | fxp_close_recv(pktin, rreq); |
884 | |
885 | if (swcm->names) |
886 | fxp_free_names(swcm->names); |
887 | |
888 | sfree(swcm->prefix); |
889 | sfree(swcm->wildcard); |
890 | |
891 | sfree(swcm); |
892 | } |
893 | |
83567e43 |
894 | /* |
895 | * General function to match a potential wildcard in a filename |
896 | * argument and iterate over every matching file. Used in several |
897 | * PSFTP commands (rmdir, rm, chmod, mv). |
898 | */ |
899 | int wildcard_iterate(char *filename, int (*func)(void *, char *), void *ctx) |
900 | { |
901 | char *unwcfname, *newname, *cname; |
902 | int is_wc, ret; |
903 | |
904 | unwcfname = snewn(strlen(filename)+1, char); |
905 | is_wc = !wc_unescape(unwcfname, filename); |
906 | |
907 | if (is_wc) { |
908 | SftpWildcardMatcher *swcm = sftp_begin_wildcard_matching(filename); |
909 | int matched = FALSE; |
910 | sfree(unwcfname); |
911 | |
912 | if (!swcm) |
913 | return 0; |
914 | |
915 | ret = 1; |
916 | |
917 | while ( (newname = sftp_wildcard_get_filename(swcm)) != NULL ) { |
918 | cname = canonify(newname); |
919 | if (!cname) { |
4dc846cd |
920 | printf("%s: canonify: %s\n", newname, fxp_error()); |
83567e43 |
921 | ret = 0; |
922 | } |
923 | matched = TRUE; |
924 | ret &= func(ctx, cname); |
925 | sfree(cname); |
926 | } |
927 | |
928 | if (!matched) { |
929 | /* Politely warn the user that nothing matched. */ |
930 | printf("%s: nothing matched\n", filename); |
931 | } |
932 | |
933 | sftp_finish_wildcard_matching(swcm); |
934 | } else { |
935 | cname = canonify(unwcfname); |
936 | if (!cname) { |
4dc846cd |
937 | printf("%s: canonify: %s\n", filename, fxp_error()); |
83567e43 |
938 | ret = 0; |
939 | } |
940 | ret = func(ctx, cname); |
941 | sfree(cname); |
942 | sfree(unwcfname); |
943 | } |
944 | |
945 | return ret; |
946 | } |
947 | |
948 | /* |
949 | * Handy helper function. |
950 | */ |
951 | int is_wildcard(char *name) |
952 | { |
953 | char *unwcfname = snewn(strlen(name)+1, char); |
954 | int is_wc = !wc_unescape(unwcfname, name); |
955 | sfree(unwcfname); |
956 | return is_wc; |
957 | } |
958 | |
5079ee6d |
959 | /* ---------------------------------------------------------------------- |
93e86a8b |
960 | * Actual sftp commands. |
961 | */ |
962 | struct sftp_command { |
963 | char **words; |
964 | int nwords, wordssize; |
965 | int (*obey) (struct sftp_command *); /* returns <0 to quit */ |
966 | }; |
967 | |
968 | int sftp_cmd_null(struct sftp_command *cmd) |
969 | { |
970 | return 1; /* success */ |
971 | } |
972 | |
973 | int sftp_cmd_unknown(struct sftp_command *cmd) |
974 | { |
975 | printf("psftp: unknown command \"%s\"\n", cmd->words[0]); |
976 | return 0; /* failure */ |
977 | } |
978 | |
979 | int sftp_cmd_quit(struct sftp_command *cmd) |
980 | { |
981 | return -1; |
982 | } |
983 | |
b614ce89 |
984 | int sftp_cmd_close(struct sftp_command *cmd) |
985 | { |
986 | if (back == NULL) { |
38f0c08e |
987 | not_connected(); |
b614ce89 |
988 | return 0; |
989 | } |
990 | |
6226c939 |
991 | if (back != NULL && back->connected(backhandle)) { |
b614ce89 |
992 | char ch; |
993 | back->special(backhandle, TS_EOF); |
bc06669b |
994 | sent_eof = TRUE; |
b614ce89 |
995 | sftp_recvdata(&ch, 1); |
996 | } |
997 | do_sftp_cleanup(); |
998 | |
999 | return 0; |
1000 | } |
1001 | |
93e86a8b |
1002 | /* |
1003 | * List a directory. If no arguments are given, list pwd; otherwise |
1004 | * list the directory given in words[1]. |
1005 | */ |
1006 | int sftp_cmd_ls(struct sftp_command *cmd) |
1007 | { |
1008 | struct fxp_handle *dirh; |
1009 | struct fxp_names *names; |
1010 | struct fxp_name **ournames; |
1011 | int nnames, namesize; |
3394416c |
1012 | char *dir, *cdir, *unwcdir, *wildcard; |
93e86a8b |
1013 | struct sftp_packet *pktin; |
1014 | struct sftp_request *req, *rreq; |
1015 | int i; |
1016 | |
1017 | if (back == NULL) { |
38f0c08e |
1018 | not_connected(); |
93e86a8b |
1019 | return 0; |
1020 | } |
1021 | |
1022 | if (cmd->nwords < 2) |
1023 | dir = "."; |
1024 | else |
1025 | dir = cmd->words[1]; |
1026 | |
3394416c |
1027 | unwcdir = snewn(1 + strlen(dir), char); |
1028 | if (wc_unescape(unwcdir, dir)) { |
1029 | dir = unwcdir; |
1030 | wildcard = NULL; |
1031 | } else { |
1032 | char *tmpdir; |
1033 | int len, check; |
1034 | |
1035 | wildcard = stripslashes(dir, 0); |
1036 | unwcdir = dupstr(dir); |
1037 | len = wildcard - dir; |
1038 | unwcdir[len] = '\0'; |
1039 | if (len > 0 && unwcdir[len-1] == '/') |
1040 | unwcdir[len-1] = '\0'; |
1041 | tmpdir = snewn(1 + len, char); |
1042 | check = wc_unescape(tmpdir, unwcdir); |
1043 | sfree(tmpdir); |
1044 | if (!check) { |
1045 | printf("Multiple-level wildcards are not supported\n"); |
1046 | sfree(unwcdir); |
1047 | return 0; |
1048 | } |
1049 | dir = unwcdir; |
1050 | } |
1051 | |
93e86a8b |
1052 | cdir = canonify(dir); |
1053 | if (!cdir) { |
4dc846cd |
1054 | printf("%s: canonify: %s\n", dir, fxp_error()); |
3394416c |
1055 | sfree(unwcdir); |
93e86a8b |
1056 | return 0; |
1057 | } |
1058 | |
1059 | printf("Listing directory %s\n", cdir); |
1060 | |
1061 | sftp_register(req = fxp_opendir_send(cdir)); |
1062 | rreq = sftp_find_request(pktin = sftp_recv()); |
1063 | assert(rreq == req); |
1064 | dirh = fxp_opendir_recv(pktin, rreq); |
1065 | |
1066 | if (dirh == NULL) { |
1067 | printf("Unable to open %s: %s\n", dir, fxp_error()); |
1068 | } else { |
1069 | nnames = namesize = 0; |
1070 | ournames = NULL; |
1071 | |
1072 | while (1) { |
1073 | |
1074 | sftp_register(req = fxp_readdir_send(dirh)); |
1075 | rreq = sftp_find_request(pktin = sftp_recv()); |
1076 | assert(rreq == req); |
1077 | names = fxp_readdir_recv(pktin, rreq); |
1078 | |
1079 | if (names == NULL) { |
1080 | if (fxp_error_type() == SSH_FX_EOF) |
1081 | break; |
1082 | printf("Reading directory %s: %s\n", dir, fxp_error()); |
1083 | break; |
1084 | } |
1085 | if (names->nnames == 0) { |
1086 | fxp_free_names(names); |
1087 | break; |
1088 | } |
1089 | |
1090 | if (nnames + names->nnames >= namesize) { |
1091 | namesize += names->nnames + 128; |
1092 | ournames = sresize(ournames, namesize, struct fxp_name *); |
1093 | } |
1094 | |
1095 | for (i = 0; i < names->nnames; i++) |
3394416c |
1096 | if (!wildcard || wc_match(wildcard, names->names[i].filename)) |
1097 | ournames[nnames++] = fxp_dup_name(&names->names[i]); |
93e86a8b |
1098 | |
1099 | fxp_free_names(names); |
1100 | } |
1101 | sftp_register(req = fxp_close_send(dirh)); |
1102 | rreq = sftp_find_request(pktin = sftp_recv()); |
1103 | assert(rreq == req); |
1104 | fxp_close_recv(pktin, rreq); |
1105 | |
1106 | /* |
1107 | * Now we have our filenames. Sort them by actual file |
1108 | * name, and then output the longname parts. |
1109 | */ |
1110 | qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare); |
1111 | |
1112 | /* |
1113 | * And print them. |
1114 | */ |
1115 | for (i = 0; i < nnames; i++) { |
1116 | printf("%s\n", ournames[i]->longname); |
1117 | fxp_free_name(ournames[i]); |
1118 | } |
1119 | sfree(ournames); |
1120 | } |
1121 | |
1122 | sfree(cdir); |
3394416c |
1123 | sfree(unwcdir); |
93e86a8b |
1124 | |
1125 | return 1; |
1126 | } |
1127 | |
1128 | /* |
1129 | * Change directories. We do this by canonifying the new name, then |
1130 | * trying to OPENDIR it. Only if that succeeds do we set the new pwd. |
1131 | */ |
1132 | int sftp_cmd_cd(struct sftp_command *cmd) |
1133 | { |
1134 | struct fxp_handle *dirh; |
1135 | struct sftp_packet *pktin; |
1136 | struct sftp_request *req, *rreq; |
1137 | char *dir; |
1138 | |
1139 | if (back == NULL) { |
38f0c08e |
1140 | not_connected(); |
93e86a8b |
1141 | return 0; |
1142 | } |
1143 | |
1144 | if (cmd->nwords < 2) |
1145 | dir = dupstr(homedir); |
1146 | else |
1147 | dir = canonify(cmd->words[1]); |
1148 | |
1149 | if (!dir) { |
4dc846cd |
1150 | printf("%s: canonify: %s\n", dir, fxp_error()); |
93e86a8b |
1151 | return 0; |
1152 | } |
1153 | |
1154 | sftp_register(req = fxp_opendir_send(dir)); |
1155 | rreq = sftp_find_request(pktin = sftp_recv()); |
1156 | assert(rreq == req); |
1157 | dirh = fxp_opendir_recv(pktin, rreq); |
1158 | |
1159 | if (!dirh) { |
1160 | printf("Directory %s: %s\n", dir, fxp_error()); |
1161 | sfree(dir); |
1162 | return 0; |
1163 | } |
1164 | |
1165 | sftp_register(req = fxp_close_send(dirh)); |
1166 | rreq = sftp_find_request(pktin = sftp_recv()); |
1167 | assert(rreq == req); |
1168 | fxp_close_recv(pktin, rreq); |
1169 | |
1170 | sfree(pwd); |
1171 | pwd = dir; |
1172 | printf("Remote directory is now %s\n", pwd); |
1173 | |
1174 | return 1; |
1175 | } |
1176 | |
1177 | /* |
1178 | * Print current directory. Easy as pie. |
1179 | */ |
1180 | int sftp_cmd_pwd(struct sftp_command *cmd) |
1181 | { |
1182 | if (back == NULL) { |
38f0c08e |
1183 | not_connected(); |
93e86a8b |
1184 | return 0; |
1185 | } |
1186 | |
1187 | printf("Remote directory is %s\n", pwd); |
1188 | return 1; |
1189 | } |
1190 | |
1191 | /* |
9c77ddf6 |
1192 | * Get a file and save it at the local end. We have three very |
1193 | * similar commands here. The basic one is `get'; `reget' differs |
1194 | * in that it checks for the existence of the destination file and |
1195 | * starts from where a previous aborted transfer left off; `mget' |
1196 | * differs in that it interprets all its arguments as files to |
1197 | * transfer (never as a different local name for a remote file) and |
1198 | * can handle wildcards. |
93e86a8b |
1199 | */ |
9c77ddf6 |
1200 | int sftp_general_get(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1201 | { |
5079ee6d |
1202 | char *fname, *unwcfname, *origfname, *origwfname, *outfname; |
93e86a8b |
1203 | int i, ret; |
1204 | int recurse = FALSE; |
1205 | |
1206 | if (back == NULL) { |
38f0c08e |
1207 | not_connected(); |
93e86a8b |
1208 | return 0; |
1209 | } |
1210 | |
1211 | i = 1; |
1212 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1213 | if (!strcmp(cmd->words[i], "--")) { |
1214 | /* finish processing options */ |
1215 | i++; |
1216 | break; |
1217 | } else if (!strcmp(cmd->words[i], "-r")) { |
1218 | recurse = TRUE; |
1219 | } else { |
9033711a |
1220 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1221 | return 0; |
1222 | } |
1223 | i++; |
1224 | } |
1225 | |
1226 | if (i >= cmd->nwords) { |
9033711a |
1227 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1228 | return 0; |
1229 | } |
1230 | |
5079ee6d |
1231 | ret = 1; |
9c77ddf6 |
1232 | do { |
5079ee6d |
1233 | SftpWildcardMatcher *swcm; |
1234 | |
9c77ddf6 |
1235 | origfname = cmd->words[i++]; |
5079ee6d |
1236 | unwcfname = snewn(strlen(origfname)+1, char); |
93e86a8b |
1237 | |
5079ee6d |
1238 | if (multiple && !wc_unescape(unwcfname, origfname)) { |
1239 | swcm = sftp_begin_wildcard_matching(origfname); |
1240 | if (!swcm) { |
1241 | sfree(unwcfname); |
1242 | continue; |
1243 | } |
1244 | origwfname = sftp_wildcard_get_filename(swcm); |
1245 | if (!origwfname) { |
1246 | /* Politely warn the user that nothing matched. */ |
1247 | printf("%s: nothing matched\n", origfname); |
1248 | sftp_finish_wildcard_matching(swcm); |
1249 | sfree(unwcfname); |
1250 | continue; |
1251 | } |
9c77ddf6 |
1252 | } else { |
5079ee6d |
1253 | origwfname = origfname; |
1254 | swcm = NULL; |
1255 | } |
1256 | |
1257 | while (origwfname) { |
1258 | fname = canonify(origwfname); |
1259 | |
9c77ddf6 |
1260 | if (!fname) { |
4dc846cd |
1261 | printf("%s: canonify: %s\n", origwfname, fxp_error()); |
9c77ddf6 |
1262 | sfree(unwcfname); |
1263 | return 0; |
1264 | } |
93e86a8b |
1265 | |
9c77ddf6 |
1266 | if (!multiple && i < cmd->nwords) |
1267 | outfname = cmd->words[i++]; |
1268 | else |
5079ee6d |
1269 | outfname = stripslashes(origwfname, 0); |
93e86a8b |
1270 | |
5079ee6d |
1271 | ret = sftp_get_file(fname, outfname, recurse, restart); |
9c77ddf6 |
1272 | |
1273 | sfree(fname); |
5079ee6d |
1274 | |
1275 | if (swcm) { |
1276 | sfree(origwfname); |
1277 | origwfname = sftp_wildcard_get_filename(swcm); |
1278 | } else { |
1279 | origwfname = NULL; |
1280 | } |
9c77ddf6 |
1281 | } |
1282 | sfree(unwcfname); |
5079ee6d |
1283 | if (swcm) |
1284 | sftp_finish_wildcard_matching(swcm); |
9c77ddf6 |
1285 | if (!ret) |
1286 | return ret; |
1287 | |
1288 | } while (multiple && i < cmd->nwords); |
93e86a8b |
1289 | |
1290 | return ret; |
1291 | } |
1292 | int sftp_cmd_get(struct sftp_command *cmd) |
1293 | { |
9c77ddf6 |
1294 | return sftp_general_get(cmd, 0, 0); |
1295 | } |
1296 | int sftp_cmd_mget(struct sftp_command *cmd) |
1297 | { |
1298 | return sftp_general_get(cmd, 0, 1); |
93e86a8b |
1299 | } |
1300 | int sftp_cmd_reget(struct sftp_command *cmd) |
1301 | { |
9c77ddf6 |
1302 | return sftp_general_get(cmd, 1, 0); |
93e86a8b |
1303 | } |
1304 | |
1305 | /* |
9c77ddf6 |
1306 | * Send a file and store it at the remote end. We have three very |
1307 | * similar commands here. The basic one is `put'; `reput' differs |
1308 | * in that it checks for the existence of the destination file and |
1309 | * starts from where a previous aborted transfer left off; `mput' |
1310 | * differs in that it interprets all its arguments as files to |
1311 | * transfer (never as a different remote name for a local file) and |
1312 | * can handle wildcards. |
93e86a8b |
1313 | */ |
9c77ddf6 |
1314 | int sftp_general_put(struct sftp_command *cmd, int restart, int multiple) |
93e86a8b |
1315 | { |
5079ee6d |
1316 | char *fname, *wfname, *origoutfname, *outfname; |
93e86a8b |
1317 | int i, ret; |
1318 | int recurse = FALSE; |
1319 | |
1320 | if (back == NULL) { |
38f0c08e |
1321 | not_connected(); |
93e86a8b |
1322 | return 0; |
1323 | } |
1324 | |
1325 | i = 1; |
1326 | while (i < cmd->nwords && cmd->words[i][0] == '-') { |
1327 | if (!strcmp(cmd->words[i], "--")) { |
1328 | /* finish processing options */ |
1329 | i++; |
1330 | break; |
1331 | } else if (!strcmp(cmd->words[i], "-r")) { |
1332 | recurse = TRUE; |
1333 | } else { |
9033711a |
1334 | printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]); |
93e86a8b |
1335 | return 0; |
1336 | } |
1337 | i++; |
1338 | } |
1339 | |
1340 | if (i >= cmd->nwords) { |
9033711a |
1341 | printf("%s: expects a filename\n", cmd->words[0]); |
93e86a8b |
1342 | return 0; |
1343 | } |
1344 | |
5079ee6d |
1345 | ret = 1; |
9c77ddf6 |
1346 | do { |
5079ee6d |
1347 | WildcardMatcher *wcm; |
9c77ddf6 |
1348 | fname = cmd->words[i++]; |
93e86a8b |
1349 | |
9c77ddf6 |
1350 | if (multiple && test_wildcard(fname, FALSE) == WCTYPE_WILDCARD) { |
5079ee6d |
1351 | wcm = begin_wildcard_matching(fname); |
1352 | wfname = wildcard_get_filename(wcm); |
1353 | if (!wfname) { |
1354 | /* Politely warn the user that nothing matched. */ |
1355 | printf("%s: nothing matched\n", fname); |
1356 | finish_wildcard_matching(wcm); |
1357 | continue; |
1358 | } |
9c77ddf6 |
1359 | } else { |
5079ee6d |
1360 | wfname = fname; |
1361 | wcm = NULL; |
1362 | } |
1363 | |
1364 | while (wfname) { |
9c77ddf6 |
1365 | if (!multiple && i < cmd->nwords) |
1366 | origoutfname = cmd->words[i++]; |
1367 | else |
5079ee6d |
1368 | origoutfname = stripslashes(wfname, 1); |
9c77ddf6 |
1369 | |
1370 | outfname = canonify(origoutfname); |
1371 | if (!outfname) { |
4dc846cd |
1372 | printf("%s: canonify: %s\n", origoutfname, fxp_error()); |
5079ee6d |
1373 | if (wcm) { |
1374 | sfree(wfname); |
1375 | finish_wildcard_matching(wcm); |
1376 | } |
9c77ddf6 |
1377 | return 0; |
1378 | } |
5079ee6d |
1379 | ret = sftp_put_file(wfname, outfname, recurse, restart); |
9c77ddf6 |
1380 | sfree(outfname); |
5079ee6d |
1381 | |
1382 | if (wcm) { |
1383 | sfree(wfname); |
1384 | wfname = wildcard_get_filename(wcm); |
1385 | } else { |
1386 | wfname = NULL; |
1387 | } |
9c77ddf6 |
1388 | } |
5079ee6d |
1389 | |
1390 | if (wcm) |
1391 | finish_wildcard_matching(wcm); |
1392 | |
9c77ddf6 |
1393 | if (!ret) |
1394 | return ret; |
93e86a8b |
1395 | |
9c77ddf6 |
1396 | } while (multiple && i < cmd->nwords); |
4c7f0d61 |
1397 | |
df49ff19 |
1398 | return ret; |
4c7f0d61 |
1399 | } |
d92624dc |
1400 | int sftp_cmd_put(struct sftp_command *cmd) |
1401 | { |
9c77ddf6 |
1402 | return sftp_general_put(cmd, 0, 0); |
1403 | } |
1404 | int sftp_cmd_mput(struct sftp_command *cmd) |
1405 | { |
1406 | return sftp_general_put(cmd, 0, 1); |
d92624dc |
1407 | } |
1408 | int sftp_cmd_reput(struct sftp_command *cmd) |
1409 | { |
9c77ddf6 |
1410 | return sftp_general_put(cmd, 1, 0); |
d92624dc |
1411 | } |
4c7f0d61 |
1412 | |
9954aaa3 |
1413 | int sftp_cmd_mkdir(struct sftp_command *cmd) |
1414 | { |
1415 | char *dir; |
1bc24185 |
1416 | struct sftp_packet *pktin; |
1417 | struct sftp_request *req, *rreq; |
9954aaa3 |
1418 | int result; |
83567e43 |
1419 | int i, ret; |
9954aaa3 |
1420 | |
fa3db767 |
1421 | if (back == NULL) { |
38f0c08e |
1422 | not_connected(); |
fa3db767 |
1423 | return 0; |
1424 | } |
9954aaa3 |
1425 | |
1426 | if (cmd->nwords < 2) { |
1427 | printf("mkdir: expects a directory\n"); |
1428 | return 0; |
1429 | } |
1430 | |
83567e43 |
1431 | ret = 1; |
1432 | for (i = 1; i < cmd->nwords; i++) { |
1433 | dir = canonify(cmd->words[i]); |
1434 | if (!dir) { |
4dc846cd |
1435 | printf("%s: canonify: %s\n", dir, fxp_error()); |
83567e43 |
1436 | return 0; |
1437 | } |
1438 | |
1439 | sftp_register(req = fxp_mkdir_send(dir)); |
1440 | rreq = sftp_find_request(pktin = sftp_recv()); |
1441 | assert(rreq == req); |
1442 | result = fxp_mkdir_recv(pktin, rreq); |
1443 | |
1444 | if (!result) { |
1445 | printf("mkdir %s: %s\n", dir, fxp_error()); |
83567e43 |
1446 | ret = 0; |
f68363d2 |
1447 | } else |
1448 | printf("mkdir %s: OK\n", dir); |
83567e43 |
1449 | |
1450 | sfree(dir); |
9954aaa3 |
1451 | } |
1452 | |
83567e43 |
1453 | return ret; |
1454 | } |
1455 | |
1456 | static int sftp_action_rmdir(void *vctx, char *dir) |
1457 | { |
1458 | struct sftp_packet *pktin; |
1459 | struct sftp_request *req, *rreq; |
1460 | int result; |
1461 | |
1462 | sftp_register(req = fxp_rmdir_send(dir)); |
1bc24185 |
1463 | rreq = sftp_find_request(pktin = sftp_recv()); |
1464 | assert(rreq == req); |
83567e43 |
1465 | result = fxp_rmdir_recv(pktin, rreq); |
1bc24185 |
1466 | |
9954aaa3 |
1467 | if (!result) { |
83567e43 |
1468 | printf("rmdir %s: %s\n", dir, fxp_error()); |
9954aaa3 |
1469 | return 0; |
1470 | } |
1471 | |
f68363d2 |
1472 | printf("rmdir %s: OK\n", dir); |
1473 | |
df49ff19 |
1474 | return 1; |
9954aaa3 |
1475 | } |
1476 | |
1477 | int sftp_cmd_rmdir(struct sftp_command *cmd) |
1478 | { |
83567e43 |
1479 | int i, ret; |
9954aaa3 |
1480 | |
fa3db767 |
1481 | if (back == NULL) { |
38f0c08e |
1482 | not_connected(); |
fa3db767 |
1483 | return 0; |
1484 | } |
9954aaa3 |
1485 | |
1486 | if (cmd->nwords < 2) { |
1487 | printf("rmdir: expects a directory\n"); |
1488 | return 0; |
1489 | } |
1490 | |
83567e43 |
1491 | ret = 1; |
1492 | for (i = 1; i < cmd->nwords; i++) |
1493 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rmdir, NULL); |
9954aaa3 |
1494 | |
83567e43 |
1495 | return ret; |
1496 | } |
1497 | |
1498 | static int sftp_action_rm(void *vctx, char *fname) |
1499 | { |
1500 | struct sftp_packet *pktin; |
1501 | struct sftp_request *req, *rreq; |
1502 | int result; |
1503 | |
1504 | sftp_register(req = fxp_remove_send(fname)); |
1bc24185 |
1505 | rreq = sftp_find_request(pktin = sftp_recv()); |
1506 | assert(rreq == req); |
83567e43 |
1507 | result = fxp_remove_recv(pktin, rreq); |
1bc24185 |
1508 | |
9954aaa3 |
1509 | if (!result) { |
83567e43 |
1510 | printf("rm %s: %s\n", fname, fxp_error()); |
9954aaa3 |
1511 | return 0; |
1512 | } |
1513 | |
f68363d2 |
1514 | printf("rm %s: OK\n", fname); |
1515 | |
df49ff19 |
1516 | return 1; |
9954aaa3 |
1517 | } |
1518 | |
1519 | int sftp_cmd_rm(struct sftp_command *cmd) |
1520 | { |
83567e43 |
1521 | int i, ret; |
9954aaa3 |
1522 | |
fa3db767 |
1523 | if (back == NULL) { |
38f0c08e |
1524 | not_connected(); |
fa3db767 |
1525 | return 0; |
1526 | } |
1527 | |
9954aaa3 |
1528 | if (cmd->nwords < 2) { |
1529 | printf("rm: expects a filename\n"); |
1530 | return 0; |
1531 | } |
1532 | |
83567e43 |
1533 | ret = 1; |
1534 | for (i = 1; i < cmd->nwords; i++) |
1535 | ret &= wildcard_iterate(cmd->words[i], sftp_action_rm, NULL); |
1536 | |
1537 | return ret; |
1538 | } |
1539 | |
1540 | static int check_is_dir(char *dstfname) |
1541 | { |
1542 | struct sftp_packet *pktin; |
1543 | struct sftp_request *req, *rreq; |
1544 | struct fxp_attrs attrs; |
1545 | int result; |
1546 | |
1547 | sftp_register(req = fxp_stat_send(dstfname)); |
1548 | rreq = sftp_find_request(pktin = sftp_recv()); |
1549 | assert(rreq == req); |
1550 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1551 | |
1552 | if (result && |
1553 | (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) && |
1554 | (attrs.permissions & 0040000)) |
1555 | return TRUE; |
1556 | else |
1557 | return FALSE; |
1558 | } |
1559 | |
1560 | struct sftp_context_mv { |
1561 | char *dstfname; |
1562 | int dest_is_dir; |
1563 | }; |
1564 | |
1565 | static int sftp_action_mv(void *vctx, char *srcfname) |
1566 | { |
1567 | struct sftp_context_mv *ctx = (struct sftp_context_mv *)vctx; |
1568 | struct sftp_packet *pktin; |
1569 | struct sftp_request *req, *rreq; |
1570 | const char *error; |
1571 | char *finalfname, *newcanon = NULL; |
1572 | int ret, result; |
1573 | |
1574 | if (ctx->dest_is_dir) { |
1575 | char *p; |
1576 | char *newname; |
1577 | |
1578 | p = srcfname + strlen(srcfname); |
1579 | while (p > srcfname && p[-1] != '/') p--; |
1580 | newname = dupcat(ctx->dstfname, "/", p, NULL); |
1581 | newcanon = canonify(newname); |
1582 | if (!newcanon) { |
4dc846cd |
1583 | printf("%s: canonify: %s\n", newname, fxp_error()); |
83567e43 |
1584 | sfree(newname); |
1585 | return 0; |
1586 | } |
1587 | sfree(newname); |
1588 | |
1589 | finalfname = newcanon; |
1590 | } else { |
1591 | finalfname = ctx->dstfname; |
9954aaa3 |
1592 | } |
1593 | |
83567e43 |
1594 | sftp_register(req = fxp_rename_send(srcfname, finalfname)); |
1bc24185 |
1595 | rreq = sftp_find_request(pktin = sftp_recv()); |
1596 | assert(rreq == req); |
83567e43 |
1597 | result = fxp_rename_recv(pktin, rreq); |
1bc24185 |
1598 | |
83567e43 |
1599 | error = result ? NULL : fxp_error(); |
1600 | |
1601 | if (error) { |
1602 | printf("mv %s %s: %s\n", srcfname, finalfname, error); |
1603 | ret = 0; |
1604 | } else { |
1605 | printf("%s -> %s\n", srcfname, finalfname); |
1606 | ret = 1; |
9954aaa3 |
1607 | } |
1608 | |
83567e43 |
1609 | sfree(newcanon); |
1610 | return ret; |
d92624dc |
1611 | } |
1612 | |
1613 | int sftp_cmd_mv(struct sftp_command *cmd) |
1614 | { |
83567e43 |
1615 | struct sftp_context_mv actx, *ctx = &actx; |
1616 | int i, ret; |
d92624dc |
1617 | |
fa3db767 |
1618 | if (back == NULL) { |
38f0c08e |
1619 | not_connected(); |
fa3db767 |
1620 | return 0; |
1621 | } |
1622 | |
d92624dc |
1623 | if (cmd->nwords < 3) { |
1624 | printf("mv: expects two filenames\n"); |
9954aaa3 |
1625 | return 0; |
d92624dc |
1626 | } |
83567e43 |
1627 | |
1628 | ctx->dstfname = canonify(cmd->words[cmd->nwords-1]); |
1629 | if (!ctx->dstfname) { |
4dc846cd |
1630 | printf("%s: canonify: %s\n", ctx->dstfname, fxp_error()); |
d92624dc |
1631 | return 0; |
1632 | } |
1633 | |
83567e43 |
1634 | /* |
1635 | * If there's more than one source argument, or one source |
1636 | * argument which is a wildcard, we _require_ that the |
1637 | * destination is a directory. |
1638 | */ |
1639 | ctx->dest_is_dir = check_is_dir(ctx->dstfname); |
1640 | if ((cmd->nwords > 3 || is_wildcard(cmd->words[1])) && !ctx->dest_is_dir) { |
1641 | printf("mv: multiple or wildcard arguments require the destination" |
1642 | " to be a directory\n"); |
c4acc08c |
1643 | sfree(ctx->dstfname); |
d92624dc |
1644 | return 0; |
1645 | } |
9954aaa3 |
1646 | |
83567e43 |
1647 | /* |
1648 | * Now iterate over the source arguments. |
1649 | */ |
1650 | ret = 1; |
1651 | for (i = 1; i < cmd->nwords-1; i++) |
1652 | ret &= wildcard_iterate(cmd->words[i], sftp_action_mv, ctx); |
1653 | |
c4acc08c |
1654 | sfree(ctx->dstfname); |
83567e43 |
1655 | return ret; |
1656 | } |
1657 | |
1658 | struct sftp_context_chmod { |
1659 | unsigned attrs_clr, attrs_xor; |
1660 | }; |
1661 | |
1662 | static int sftp_action_chmod(void *vctx, char *fname) |
1663 | { |
1664 | struct fxp_attrs attrs; |
1665 | struct sftp_packet *pktin; |
1666 | struct sftp_request *req, *rreq; |
1667 | int result; |
1668 | unsigned oldperms, newperms; |
1669 | struct sftp_context_chmod *ctx = (struct sftp_context_chmod *)vctx; |
1670 | |
1671 | sftp_register(req = fxp_stat_send(fname)); |
1bc24185 |
1672 | rreq = sftp_find_request(pktin = sftp_recv()); |
1673 | assert(rreq == req); |
83567e43 |
1674 | result = fxp_stat_recv(pktin, rreq, &attrs); |
1bc24185 |
1675 | |
83567e43 |
1676 | if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) { |
1677 | printf("get attrs for %s: %s\n", fname, |
1678 | result ? "file permissions not provided" : fxp_error()); |
83567e43 |
1679 | return 0; |
1680 | } |
d92624dc |
1681 | |
83567e43 |
1682 | attrs.flags = SSH_FILEXFER_ATTR_PERMISSIONS; /* perms _only_ */ |
1683 | oldperms = attrs.permissions & 07777; |
1684 | attrs.permissions &= ~ctx->attrs_clr; |
1685 | attrs.permissions ^= ctx->attrs_xor; |
1686 | newperms = attrs.permissions & 07777; |
1bc24185 |
1687 | |
83567e43 |
1688 | if (oldperms == newperms) |
1689 | return 1; /* no need to do anything! */ |
1bc24185 |
1690 | |
83567e43 |
1691 | sftp_register(req = fxp_setstat_send(fname, attrs)); |
1692 | rreq = sftp_find_request(pktin = sftp_recv()); |
1693 | assert(rreq == req); |
1694 | result = fxp_setstat_recv(pktin, rreq); |
1bc24185 |
1695 | |
83567e43 |
1696 | if (!result) { |
1697 | printf("set attrs for %s: %s\n", fname, fxp_error()); |
83567e43 |
1698 | return 0; |
d92624dc |
1699 | } |
d92624dc |
1700 | |
83567e43 |
1701 | printf("%s: %04o -> %04o\n", fname, oldperms, newperms); |
1702 | |
df49ff19 |
1703 | return 1; |
9954aaa3 |
1704 | } |
1705 | |
d92624dc |
1706 | int sftp_cmd_chmod(struct sftp_command *cmd) |
1707 | { |
83567e43 |
1708 | char *mode; |
1709 | int i, ret; |
1710 | struct sftp_context_chmod actx, *ctx = &actx; |
d92624dc |
1711 | |
fa3db767 |
1712 | if (back == NULL) { |
38f0c08e |
1713 | not_connected(); |
fa3db767 |
1714 | return 0; |
1715 | } |
1716 | |
d92624dc |
1717 | if (cmd->nwords < 3) { |
1718 | printf("chmod: expects a mode specifier and a filename\n"); |
1719 | return 0; |
1720 | } |
1721 | |
1722 | /* |
1723 | * Attempt to parse the mode specifier in cmd->words[1]. We |
1724 | * don't support the full horror of Unix chmod; instead we |
1725 | * support a much simpler syntax in which the user can either |
1726 | * specify an octal number, or a comma-separated sequence of |
1727 | * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may |
1728 | * _only_ be omitted if the only attribute mentioned is t, |
1729 | * since all others require a user/group/other specification. |
1730 | * Additionally, the s attribute may not be specified for any |
1731 | * [ugoa] specifications other than exactly u or exactly g. |
1732 | */ |
83567e43 |
1733 | ctx->attrs_clr = ctx->attrs_xor = 0; |
d92624dc |
1734 | mode = cmd->words[1]; |
1735 | if (mode[0] >= '0' && mode[0] <= '9') { |
1736 | if (mode[strspn(mode, "01234567")]) { |
1737 | printf("chmod: numeric file modes should" |
1738 | " contain digits 0-7 only\n"); |
1739 | return 0; |
1740 | } |
83567e43 |
1741 | ctx->attrs_clr = 07777; |
1742 | sscanf(mode, "%o", &ctx->attrs_xor); |
1743 | ctx->attrs_xor &= ctx->attrs_clr; |
d92624dc |
1744 | } else { |
1745 | while (*mode) { |
1746 | char *modebegin = mode; |
1747 | unsigned subset, perms; |
1748 | int action; |
1749 | |
1750 | subset = 0; |
1751 | while (*mode && *mode != ',' && |
1752 | *mode != '+' && *mode != '-' && *mode != '=') { |
1753 | switch (*mode) { |
1754 | case 'u': subset |= 04700; break; /* setuid, user perms */ |
1755 | case 'g': subset |= 02070; break; /* setgid, group perms */ |
1756 | case 'o': subset |= 00007; break; /* just other perms */ |
1757 | case 'a': subset |= 06777; break; /* all of the above */ |
1758 | default: |
1759 | printf("chmod: file mode '%.*s' contains unrecognised" |
1760 | " user/group/other specifier '%c'\n", |
b51259f6 |
1761 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1762 | return 0; |
1763 | } |
1764 | mode++; |
1765 | } |
1766 | if (!*mode || *mode == ',') { |
1767 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1768 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1769 | return 0; |
1770 | } |
1771 | action = *mode++; |
1772 | if (!*mode || *mode == ',') { |
1773 | printf("chmod: file mode '%.*s' is incomplete\n", |
b51259f6 |
1774 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1775 | return 0; |
1776 | } |
1777 | perms = 0; |
1778 | while (*mode && *mode != ',') { |
1779 | switch (*mode) { |
1780 | case 'r': perms |= 00444; break; |
1781 | case 'w': perms |= 00222; break; |
1782 | case 'x': perms |= 00111; break; |
1783 | case 't': perms |= 01000; subset |= 01000; break; |
1784 | case 's': |
1785 | if ((subset & 06777) != 04700 && |
1786 | (subset & 06777) != 02070) { |
1787 | printf("chmod: file mode '%.*s': set[ug]id bit should" |
1788 | " be used with exactly one of u or g only\n", |
b51259f6 |
1789 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1790 | return 0; |
1791 | } |
1792 | perms |= 06000; |
1793 | break; |
1794 | default: |
1795 | printf("chmod: file mode '%.*s' contains unrecognised" |
1796 | " permission specifier '%c'\n", |
b51259f6 |
1797 | (int)strcspn(modebegin, ","), modebegin, *mode); |
d92624dc |
1798 | return 0; |
1799 | } |
1800 | mode++; |
1801 | } |
1802 | if (!(subset & 06777) && (perms &~ subset)) { |
1803 | printf("chmod: file mode '%.*s' contains no user/group/other" |
1804 | " specifier and permissions other than 't' \n", |
b51259f6 |
1805 | (int)strcspn(modebegin, ","), modebegin); |
d92624dc |
1806 | return 0; |
1807 | } |
1808 | perms &= subset; |
1809 | switch (action) { |
1810 | case '+': |
83567e43 |
1811 | ctx->attrs_clr |= perms; |
1812 | ctx->attrs_xor |= perms; |
d92624dc |
1813 | break; |
1814 | case '-': |
83567e43 |
1815 | ctx->attrs_clr |= perms; |
1816 | ctx->attrs_xor &= ~perms; |
d92624dc |
1817 | break; |
1818 | case '=': |
83567e43 |
1819 | ctx->attrs_clr |= subset; |
1820 | ctx->attrs_xor |= perms; |
d92624dc |
1821 | break; |
1822 | } |
1823 | if (*mode) mode++; /* eat comma */ |
1824 | } |
1825 | } |
1826 | |
83567e43 |
1827 | ret = 1; |
1828 | for (i = 2; i < cmd->nwords; i++) |
1829 | ret &= wildcard_iterate(cmd->words[i], sftp_action_chmod, ctx); |
d92624dc |
1830 | |
83567e43 |
1831 | return ret; |
d92624dc |
1832 | } |
9954aaa3 |
1833 | |
fa3db767 |
1834 | static int sftp_cmd_open(struct sftp_command *cmd) |
1835 | { |
f11233cb |
1836 | int portnumber; |
1837 | |
fa3db767 |
1838 | if (back != NULL) { |
1839 | printf("psftp: already connected\n"); |
1840 | return 0; |
1841 | } |
1842 | |
1843 | if (cmd->nwords < 2) { |
1844 | printf("open: expects a host name\n"); |
1845 | return 0; |
1846 | } |
1847 | |
f11233cb |
1848 | if (cmd->nwords > 2) { |
1849 | portnumber = atoi(cmd->words[2]); |
1850 | if (portnumber == 0) { |
1851 | printf("open: invalid port number\n"); |
1852 | return 0; |
1853 | } |
1854 | } else |
1855 | portnumber = 0; |
1856 | |
1857 | if (psftp_connect(cmd->words[1], NULL, portnumber)) { |
fa3db767 |
1858 | back = NULL; /* connection is already closed */ |
1859 | return -1; /* this is fatal */ |
1860 | } |
1861 | do_sftp_init(); |
df49ff19 |
1862 | return 1; |
fa3db767 |
1863 | } |
1864 | |
3af97463 |
1865 | static int sftp_cmd_lcd(struct sftp_command *cmd) |
1866 | { |
d6cc41e6 |
1867 | char *currdir, *errmsg; |
3af97463 |
1868 | |
1869 | if (cmd->nwords < 2) { |
1870 | printf("lcd: expects a local directory name\n"); |
1871 | return 0; |
1872 | } |
1873 | |
d6cc41e6 |
1874 | errmsg = psftp_lcd(cmd->words[1]); |
1875 | if (errmsg) { |
1876 | printf("lcd: unable to change directory: %s\n", errmsg); |
1877 | sfree(errmsg); |
3af97463 |
1878 | return 0; |
1879 | } |
1880 | |
d6cc41e6 |
1881 | currdir = psftp_getcwd(); |
3af97463 |
1882 | printf("New local directory is %s\n", currdir); |
1883 | sfree(currdir); |
1884 | |
1885 | return 1; |
1886 | } |
1887 | |
1888 | static int sftp_cmd_lpwd(struct sftp_command *cmd) |
1889 | { |
1890 | char *currdir; |
3af97463 |
1891 | |
d6cc41e6 |
1892 | currdir = psftp_getcwd(); |
3af97463 |
1893 | printf("Current local directory is %s\n", currdir); |
1894 | sfree(currdir); |
1895 | |
1896 | return 1; |
1897 | } |
1898 | |
1899 | static int sftp_cmd_pling(struct sftp_command *cmd) |
1900 | { |
1901 | int exitcode; |
1902 | |
1903 | exitcode = system(cmd->words[1]); |
1904 | return (exitcode == 0); |
1905 | } |
1906 | |
bf5240cd |
1907 | static int sftp_cmd_help(struct sftp_command *cmd); |
1908 | |
4c7f0d61 |
1909 | static struct sftp_cmd_lookup { |
1910 | char *name; |
bf5240cd |
1911 | /* |
1912 | * For help purposes, there are two kinds of command: |
1913 | * |
1914 | * - primary commands, in which `longhelp' is non-NULL. In |
1915 | * this case `shorthelp' is descriptive text, and `longhelp' |
1916 | * is longer descriptive text intended to be printed after |
1917 | * the command name. |
1918 | * |
1919 | * - alias commands, in which `longhelp' is NULL. In this case |
1920 | * `shorthelp' is the name of a primary command, which |
1921 | * contains the help that should double up for this command. |
1922 | */ |
3af97463 |
1923 | int listed; /* do we list this in primary help? */ |
bf5240cd |
1924 | char *shorthelp; |
1925 | char *longhelp; |
32874aea |
1926 | int (*obey) (struct sftp_command *); |
4c7f0d61 |
1927 | } sftp_lookup[] = { |
1928 | /* |
1929 | * List of sftp commands. This is binary-searched so it MUST be |
1930 | * in ASCII order. |
1931 | */ |
32874aea |
1932 | { |
d6cc41e6 |
1933 | "!", TRUE, "run a local command", |
3af97463 |
1934 | "<command>\n" |
d6cc41e6 |
1935 | /* FIXME: this example is crap for non-Windows. */ |
1936 | " Runs a local command. For example, \"!del myfile\".\n", |
3af97463 |
1937 | sftp_cmd_pling |
1938 | }, |
1939 | { |
1940 | "bye", TRUE, "finish your SFTP session", |
bf5240cd |
1941 | "\n" |
1942 | " Terminates your SFTP session and quits the PSFTP program.\n", |
1943 | sftp_cmd_quit |
1944 | }, |
1945 | { |
3af97463 |
1946 | "cd", TRUE, "change your remote working directory", |
c1b8799b |
1947 | " [ <new working directory> ]\n" |
bf5240cd |
1948 | " Change the remote working directory for your SFTP session.\n" |
1949 | " If a new working directory is not supplied, you will be\n" |
1950 | " returned to your home directory.\n", |
1951 | sftp_cmd_cd |
1952 | }, |
1953 | { |
3af97463 |
1954 | "chmod", TRUE, "change file permissions and modes", |
c1b8799b |
1955 | " <modes> <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1956 | " Change the file permissions on one or more remote files or\n" |
1957 | " directories.\n" |
1958 | " <modes> can be any octal Unix permission specifier.\n" |
1959 | " Alternatively, <modes> can include the following modifiers:\n" |
bf5240cd |
1960 | " u+r make file readable by owning user\n" |
1961 | " u+w make file writable by owning user\n" |
1962 | " u+x make file executable by owning user\n" |
1963 | " u-r make file not readable by owning user\n" |
1964 | " [also u-w, u-x]\n" |
1965 | " g+r make file readable by members of owning group\n" |
1966 | " [also g+w, g+x, g-r, g-w, g-x]\n" |
1967 | " o+r make file readable by all other users\n" |
1968 | " [also o+w, o+x, o-r, o-w, o-x]\n" |
1969 | " a+r make file readable by absolutely everybody\n" |
1970 | " [also a+w, a+x, a-r, a-w, a-x]\n" |
1971 | " u+s enable the Unix set-user-ID bit\n" |
1972 | " u-s disable the Unix set-user-ID bit\n" |
1973 | " g+s enable the Unix set-group-ID bit\n" |
1974 | " g-s disable the Unix set-group-ID bit\n" |
1975 | " +t enable the Unix \"sticky bit\"\n" |
1976 | " You can give more than one modifier for the same user (\"g-rwx\"), and\n" |
1977 | " more than one user for the same modifier (\"ug+w\"). You can\n" |
1978 | " use commas to separate different modifiers (\"u+rwx,g+s\").\n", |
1979 | sftp_cmd_chmod |
1980 | }, |
1981 | { |
b614ce89 |
1982 | "close", TRUE, "finish your SFTP session but do not quit PSFTP", |
1983 | "\n" |
1984 | " Terminates your SFTP session, but does not quit the PSFTP\n" |
1985 | " program. You can then use \"open\" to start another SFTP\n" |
1986 | " session, to the same server or to a different one.\n", |
1987 | sftp_cmd_close |
1988 | }, |
1989 | { |
c1b8799b |
1990 | "del", TRUE, "delete files on the remote server", |
1991 | " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
1992 | " Delete a file or files from the server.\n", |
bf5240cd |
1993 | sftp_cmd_rm |
1994 | }, |
1995 | { |
3af97463 |
1996 | "delete", FALSE, "del", NULL, sftp_cmd_rm |
bf5240cd |
1997 | }, |
1998 | { |
c1b8799b |
1999 | "dir", TRUE, "list remote files", |
9033711a |
2000 | " [ <directory-name> ]/[ <wildcard> ]\n" |
bf5240cd |
2001 | " List the contents of a specified directory on the server.\n" |
2002 | " If <directory-name> is not given, the current working directory\n" |
9033711a |
2003 | " is assumed.\n" |
2004 | " If <wildcard> is given, it is treated as a set of files to\n" |
2005 | " list; otherwise, all files are listed.\n", |
bf5240cd |
2006 | sftp_cmd_ls |
2007 | }, |
2008 | { |
3af97463 |
2009 | "exit", TRUE, "bye", NULL, sftp_cmd_quit |
bf5240cd |
2010 | }, |
2011 | { |
3af97463 |
2012 | "get", TRUE, "download a file from the server to your local machine", |
9033711a |
2013 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
2014 | " Downloads a file on the server and stores it locally under\n" |
2015 | " the same name, or under a different one if you supply the\n" |
9033711a |
2016 | " argument <local-filename>.\n" |
2017 | " If -r specified, recursively fetch a directory.\n", |
bf5240cd |
2018 | sftp_cmd_get |
2019 | }, |
2020 | { |
3af97463 |
2021 | "help", TRUE, "give help", |
bf5240cd |
2022 | " [ <command> [ <command> ... ] ]\n" |
2023 | " Give general help if no commands are specified.\n" |
2024 | " If one or more commands are specified, give specific help on\n" |
2025 | " those particular commands.\n", |
2026 | sftp_cmd_help |
2027 | }, |
2028 | { |
3af97463 |
2029 | "lcd", TRUE, "change local working directory", |
2030 | " <local-directory-name>\n" |
2031 | " Change the local working directory of the PSFTP program (the\n" |
2032 | " default location where the \"get\" command will save files).\n", |
2033 | sftp_cmd_lcd |
2034 | }, |
2035 | { |
2036 | "lpwd", TRUE, "print local working directory", |
2037 | "\n" |
2038 | " Print the local working directory of the PSFTP program (the\n" |
2039 | " default location where the \"get\" command will save files).\n", |
2040 | sftp_cmd_lpwd |
2041 | }, |
2042 | { |
2043 | "ls", TRUE, "dir", NULL, |
bf5240cd |
2044 | sftp_cmd_ls |
2045 | }, |
2046 | { |
9c77ddf6 |
2047 | "mget", TRUE, "download multiple files at once", |
9033711a |
2048 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2049 | " Downloads many files from the server, storing each one under\n" |
2050 | " the same name it has on the server side. You can use wildcards\n" |
9033711a |
2051 | " such as \"*.c\" to specify lots of files at once.\n" |
2052 | " If -r specified, recursively fetch files and directories.\n", |
9c77ddf6 |
2053 | sftp_cmd_mget |
2054 | }, |
2055 | { |
c1b8799b |
2056 | "mkdir", TRUE, "create directories on the remote server", |
2057 | " <directory-name> [ <directory-name>... ]\n" |
2058 | " Creates directories with the given names on the server.\n", |
bf5240cd |
2059 | sftp_cmd_mkdir |
2060 | }, |
2061 | { |
9c77ddf6 |
2062 | "mput", TRUE, "upload multiple files at once", |
96515f61 |
2063 | " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n" |
9c77ddf6 |
2064 | " Uploads many files to the server, storing each one under the\n" |
2065 | " same name it has on the client side. You can use wildcards\n" |
9033711a |
2066 | " such as \"*.c\" to specify lots of files at once.\n" |
2067 | " If -r specified, recursively store files and directories.\n", |
9c77ddf6 |
2068 | sftp_cmd_mput |
2069 | }, |
2070 | { |
c1b8799b |
2071 | "mv", TRUE, "move or rename file(s) on the remote server", |
2072 | " <source> [ <source>... ] <destination>\n" |
2073 | " Moves or renames <source>(s) on the server to <destination>,\n" |
2074 | " also on the server.\n" |
2075 | " If <destination> specifies an existing directory, then <source>\n" |
2076 | " may be a wildcard, and multiple <source>s may be given; all\n" |
2077 | " source files are moved into <destination>.\n" |
2078 | " Otherwise, <source> must specify a single file, which is moved\n" |
2079 | " or renamed so that it is accessible under the name <destination>.\n", |
bf5240cd |
2080 | sftp_cmd_mv |
2081 | }, |
2082 | { |
3af97463 |
2083 | "open", TRUE, "connect to a host", |
f11233cb |
2084 | " [<user>@]<hostname> [<port>]\n" |
fa3db767 |
2085 | " Establishes an SFTP connection to a given host. Only usable\n" |
c1b8799b |
2086 | " when you are not already connected to a server.\n", |
fa3db767 |
2087 | sftp_cmd_open |
2088 | }, |
2089 | { |
56542985 |
2090 | "put", TRUE, "upload a file from your local machine to the server", |
9033711a |
2091 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
56542985 |
2092 | " Uploads a file to the server and stores it there under\n" |
2093 | " the same name, or under a different one if you supply the\n" |
9033711a |
2094 | " argument <remote-filename>.\n" |
2095 | " If -r specified, recursively store a directory.\n", |
56542985 |
2096 | sftp_cmd_put |
2097 | }, |
2098 | { |
3af97463 |
2099 | "pwd", TRUE, "print your remote working directory", |
4f2b387f |
2100 | "\n" |
2101 | " Print the current remote working directory for your SFTP session.\n", |
2102 | sftp_cmd_pwd |
2103 | }, |
2104 | { |
3af97463 |
2105 | "quit", TRUE, "bye", NULL, |
bf5240cd |
2106 | sftp_cmd_quit |
2107 | }, |
2108 | { |
c1b8799b |
2109 | "reget", TRUE, "continue downloading files", |
9033711a |
2110 | " [ -r ] [ -- ] <filename> [ <local-filename> ]\n" |
bf5240cd |
2111 | " Works exactly like the \"get\" command, but the local file\n" |
2112 | " must already exist. The download will begin at the end of the\n" |
9033711a |
2113 | " file. This is for resuming a download that was interrupted.\n" |
2114 | " If -r specified, resume interrupted \"get -r\".\n", |
bf5240cd |
2115 | sftp_cmd_reget |
2116 | }, |
2117 | { |
3af97463 |
2118 | "ren", TRUE, "mv", NULL, |
bf5240cd |
2119 | sftp_cmd_mv |
2120 | }, |
2121 | { |
3af97463 |
2122 | "rename", FALSE, "mv", NULL, |
bf5240cd |
2123 | sftp_cmd_mv |
2124 | }, |
2125 | { |
c1b8799b |
2126 | "reput", TRUE, "continue uploading files", |
9033711a |
2127 | " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n" |
bf5240cd |
2128 | " Works exactly like the \"put\" command, but the remote file\n" |
2129 | " must already exist. The upload will begin at the end of the\n" |
9033711a |
2130 | " file. This is for resuming an upload that was interrupted.\n" |
2131 | " If -r specified, resume interrupted \"put -r\".\n", |
bf5240cd |
2132 | sftp_cmd_reput |
2133 | }, |
2134 | { |
3af97463 |
2135 | "rm", TRUE, "del", NULL, |
bf5240cd |
2136 | sftp_cmd_rm |
2137 | }, |
2138 | { |
c1b8799b |
2139 | "rmdir", TRUE, "remove directories on the remote server", |
2140 | " <directory-name> [ <directory-name>... ]\n" |
bf5240cd |
2141 | " Removes the directory with the given name on the server.\n" |
c1b8799b |
2142 | " The directory will not be removed unless it is empty.\n" |
2143 | " Wildcards may be used to specify multiple directories.\n", |
bf5240cd |
2144 | sftp_cmd_rmdir |
2145 | } |
2146 | }; |
2147 | |
2148 | const struct sftp_cmd_lookup *lookup_command(char *name) |
2149 | { |
2150 | int i, j, k, cmp; |
2151 | |
2152 | i = -1; |
2153 | j = sizeof(sftp_lookup) / sizeof(*sftp_lookup); |
2154 | while (j - i > 1) { |
2155 | k = (j + i) / 2; |
2156 | cmp = strcmp(name, sftp_lookup[k].name); |
2157 | if (cmp < 0) |
2158 | j = k; |
2159 | else if (cmp > 0) |
2160 | i = k; |
2161 | else { |
2162 | return &sftp_lookup[k]; |
2163 | } |
2164 | } |
2165 | return NULL; |
2166 | } |
2167 | |
2168 | static int sftp_cmd_help(struct sftp_command *cmd) |
2169 | { |
2170 | int i; |
2171 | if (cmd->nwords == 1) { |
2172 | /* |
2173 | * Give short help on each command. |
2174 | */ |
2175 | int maxlen; |
2176 | maxlen = 0; |
2177 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
3af97463 |
2178 | int len; |
2179 | if (!sftp_lookup[i].listed) |
2180 | continue; |
2181 | len = strlen(sftp_lookup[i].name); |
bf5240cd |
2182 | if (maxlen < len) |
2183 | maxlen = len; |
2184 | } |
2185 | for (i = 0; i < sizeof(sftp_lookup) / sizeof(*sftp_lookup); i++) { |
2186 | const struct sftp_cmd_lookup *lookup; |
3af97463 |
2187 | if (!sftp_lookup[i].listed) |
2188 | continue; |
bf5240cd |
2189 | lookup = &sftp_lookup[i]; |
2190 | printf("%-*s", maxlen+2, lookup->name); |
2191 | if (lookup->longhelp == NULL) |
2192 | lookup = lookup_command(lookup->shorthelp); |
2193 | printf("%s\n", lookup->shorthelp); |
2194 | } |
2195 | } else { |
2196 | /* |
2197 | * Give long help on specific commands. |
2198 | */ |
2199 | for (i = 1; i < cmd->nwords; i++) { |
2200 | const struct sftp_cmd_lookup *lookup; |
2201 | lookup = lookup_command(cmd->words[i]); |
2202 | if (!lookup) { |
2203 | printf("help: %s: command not found\n", cmd->words[i]); |
2204 | } else { |
2205 | printf("%s", lookup->name); |
2206 | if (lookup->longhelp == NULL) |
2207 | lookup = lookup_command(lookup->shorthelp); |
2208 | printf("%s", lookup->longhelp); |
2209 | } |
2210 | } |
2211 | } |
df49ff19 |
2212 | return 1; |
bf5240cd |
2213 | } |
4c7f0d61 |
2214 | |
2215 | /* ---------------------------------------------------------------------- |
2216 | * Command line reading and parsing. |
2217 | */ |
9954aaa3 |
2218 | struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags) |
32874aea |
2219 | { |
4c7f0d61 |
2220 | char *line; |
4c7f0d61 |
2221 | struct sftp_command *cmd; |
2222 | char *p, *q, *r; |
2223 | int quoting; |
2224 | |
3d88e64d |
2225 | cmd = snew(struct sftp_command); |
4c7f0d61 |
2226 | cmd->words = NULL; |
2227 | cmd->nwords = 0; |
2228 | cmd->wordssize = 0; |
2229 | |
2230 | line = NULL; |
39934deb |
2231 | |
2232 | if (fp) { |
2233 | if (modeflags & 1) |
2234 | printf("psftp> "); |
2235 | line = fgetline(fp); |
2236 | } else { |
65857773 |
2237 | line = ssh_sftp_get_cmdline("psftp> ", back == NULL); |
4c7f0d61 |
2238 | } |
39934deb |
2239 | |
2240 | if (!line || !*line) { |
2241 | cmd->obey = sftp_cmd_quit; |
2242 | if ((mode == 0) || (modeflags & 1)) |
2243 | printf("quit\n"); |
2244 | return cmd; /* eof */ |
2245 | } |
2246 | |
2247 | line[strcspn(line, "\r\n")] = '\0'; |
2248 | |
df49ff19 |
2249 | if (modeflags & 1) { |
2250 | printf("%s\n", line); |
2251 | } |
4c7f0d61 |
2252 | |
4c7f0d61 |
2253 | p = line; |
3af97463 |
2254 | while (*p && (*p == ' ' || *p == '\t')) |
2255 | p++; |
2256 | |
2257 | if (*p == '!') { |
2258 | /* |
2259 | * Special case: the ! command. This is always parsed as |
2260 | * exactly two words: one containing the !, and the second |
2261 | * containing everything else on the line. |
2262 | */ |
2263 | cmd->nwords = cmd->wordssize = 2; |
3d88e64d |
2264 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
679539d7 |
2265 | cmd->words[0] = dupstr("!"); |
2266 | cmd->words[1] = dupstr(p+1); |
1ef4dce9 |
2267 | } else if (*p == '#') { |
2268 | /* |
2269 | * Special case: comment. Entire line is ignored. |
2270 | */ |
2271 | cmd->nwords = cmd->wordssize = 0; |
3af97463 |
2272 | } else { |
2273 | |
2274 | /* |
2275 | * Parse the command line into words. The syntax is: |
2276 | * - double quotes are removed, but cause spaces within to be |
2277 | * treated as non-separating. |
2278 | * - a double-doublequote pair is a literal double quote, inside |
2279 | * _or_ outside quotes. Like this: |
2280 | * |
2281 | * firstword "second word" "this has ""quotes"" in" and""this"" |
2282 | * |
2283 | * becomes |
2284 | * |
2285 | * >firstword< |
2286 | * >second word< |
2287 | * >this has "quotes" in< |
2288 | * >and"this"< |
2289 | */ |
5ab93329 |
2290 | while (1) { |
3af97463 |
2291 | /* skip whitespace */ |
2292 | while (*p && (*p == ' ' || *p == '\t')) |
2293 | p++; |
5ab93329 |
2294 | /* terminate loop */ |
2295 | if (!*p) |
2296 | break; |
3af97463 |
2297 | /* mark start of word */ |
2298 | q = r = p; /* q sits at start, r writes word */ |
2299 | quoting = 0; |
2300 | while (*p) { |
2301 | if (!quoting && (*p == ' ' || *p == '\t')) |
2302 | break; /* reached end of word */ |
2303 | else if (*p == '"' && p[1] == '"') |
2304 | p += 2, *r++ = '"'; /* a literal quote */ |
2305 | else if (*p == '"') |
2306 | p++, quoting = !quoting; |
2307 | else |
2308 | *r++ = *p++; |
2309 | } |
2310 | if (*p) |
2311 | p++; /* skip over the whitespace */ |
2312 | *r = '\0'; |
2313 | if (cmd->nwords >= cmd->wordssize) { |
2314 | cmd->wordssize = cmd->nwords + 16; |
3d88e64d |
2315 | cmd->words = sresize(cmd->words, cmd->wordssize, char *); |
3af97463 |
2316 | } |
679539d7 |
2317 | cmd->words[cmd->nwords++] = dupstr(q); |
4c7f0d61 |
2318 | } |
4c7f0d61 |
2319 | } |
2320 | |
39934deb |
2321 | sfree(line); |
2322 | |
4c7f0d61 |
2323 | /* |
2324 | * Now parse the first word and assign a function. |
2325 | */ |
2326 | |
2327 | if (cmd->nwords == 0) |
2328 | cmd->obey = sftp_cmd_null; |
2329 | else { |
bf5240cd |
2330 | const struct sftp_cmd_lookup *lookup; |
2331 | lookup = lookup_command(cmd->words[0]); |
2332 | if (!lookup) |
2333 | cmd->obey = sftp_cmd_unknown; |
2334 | else |
2335 | cmd->obey = lookup->obey; |
4c7f0d61 |
2336 | } |
2337 | |
2338 | return cmd; |
2339 | } |
2340 | |
774204f5 |
2341 | static int do_sftp_init(void) |
32874aea |
2342 | { |
1bc24185 |
2343 | struct sftp_packet *pktin; |
2344 | struct sftp_request *req, *rreq; |
2345 | |
4c7f0d61 |
2346 | /* |
2347 | * Do protocol initialisation. |
2348 | */ |
2349 | if (!fxp_init()) { |
2350 | fprintf(stderr, |
32874aea |
2351 | "Fatal: unable to initialise SFTP: %s\n", fxp_error()); |
774204f5 |
2352 | return 1; /* failure */ |
4c7f0d61 |
2353 | } |
2354 | |
2355 | /* |
2356 | * Find out where our home directory is. |
2357 | */ |
1bc24185 |
2358 | sftp_register(req = fxp_realpath_send(".")); |
2359 | rreq = sftp_find_request(pktin = sftp_recv()); |
2360 | assert(rreq == req); |
7b7de4f4 |
2361 | homedir = fxp_realpath_recv(pktin, rreq); |
1bc24185 |
2362 | |
4c7f0d61 |
2363 | if (!homedir) { |
2364 | fprintf(stderr, |
2365 | "Warning: failed to resolve home directory: %s\n", |
2366 | fxp_error()); |
2367 | homedir = dupstr("."); |
2368 | } else { |
2369 | printf("Remote working directory is %s\n", homedir); |
2370 | } |
2371 | pwd = dupstr(homedir); |
774204f5 |
2372 | return 0; |
fa3db767 |
2373 | } |
2374 | |
679539d7 |
2375 | void do_sftp_cleanup() |
2376 | { |
2377 | char ch; |
f11233cb |
2378 | if (back) { |
2379 | back->special(backhandle, TS_EOF); |
bc06669b |
2380 | sent_eof = TRUE; |
f11233cb |
2381 | sftp_recvdata(&ch, 1); |
2382 | back->free(backhandle); |
2383 | sftp_cleanup_request(); |
65857773 |
2384 | back = NULL; |
2385 | backhandle = NULL; |
f11233cb |
2386 | } |
679539d7 |
2387 | if (pwd) { |
2388 | sfree(pwd); |
2389 | pwd = NULL; |
2390 | } |
2391 | if (homedir) { |
2392 | sfree(homedir); |
2393 | homedir = NULL; |
2394 | } |
2395 | } |
2396 | |
fa3db767 |
2397 | void do_sftp(int mode, int modeflags, char *batchfile) |
2398 | { |
2399 | FILE *fp; |
df49ff19 |
2400 | int ret; |
4c7f0d61 |
2401 | |
9954aaa3 |
2402 | /* |
2403 | * Batch mode? |
4c7f0d61 |
2404 | */ |
9954aaa3 |
2405 | if (mode == 0) { |
2406 | |
2407 | /* ------------------------------------------------------------------ |
2408 | * Now we're ready to do Real Stuff. |
2409 | */ |
2410 | while (1) { |
df49ff19 |
2411 | struct sftp_command *cmd; |
39934deb |
2412 | cmd = sftp_getcmd(NULL, 0, 0); |
df49ff19 |
2413 | if (!cmd) |
2414 | break; |
679539d7 |
2415 | ret = cmd->obey(cmd); |
2416 | if (cmd->words) { |
2417 | int i; |
2418 | for(i = 0; i < cmd->nwords; i++) |
2419 | sfree(cmd->words[i]); |
2420 | sfree(cmd->words); |
2421 | } |
2422 | sfree(cmd); |
2423 | if (ret < 0) |
df49ff19 |
2424 | break; |
bf5240cd |
2425 | } |
9954aaa3 |
2426 | } else { |
2427 | fp = fopen(batchfile, "r"); |
2428 | if (!fp) { |
bf5240cd |
2429 | printf("Fatal: unable to open %s\n", batchfile); |
2430 | return; |
9954aaa3 |
2431 | } |
2432 | while (1) { |
bf5240cd |
2433 | struct sftp_command *cmd; |
2434 | cmd = sftp_getcmd(fp, mode, modeflags); |
2435 | if (!cmd) |
2436 | break; |
df49ff19 |
2437 | ret = cmd->obey(cmd); |
2438 | if (ret < 0) |
bf5240cd |
2439 | break; |
df49ff19 |
2440 | if (ret == 0) { |
bf5240cd |
2441 | if (!(modeflags & 2)) |
9954aaa3 |
2442 | break; |
bf5240cd |
2443 | } |
9954aaa3 |
2444 | } |
bf5240cd |
2445 | fclose(fp); |
9954aaa3 |
2446 | |
4c7f0d61 |
2447 | } |
4a8fc3c4 |
2448 | } |
4c7f0d61 |
2449 | |
4a8fc3c4 |
2450 | /* ---------------------------------------------------------------------- |
2451 | * Dirty bits: integration with PuTTY. |
2452 | */ |
2453 | |
2454 | static int verbose = 0; |
2455 | |
7bedb13c |
2456 | /* |
4a8fc3c4 |
2457 | * Print an error message and perform a fatal exit. |
2458 | */ |
2459 | void fatalbox(char *fmt, ...) |
2460 | { |
57356d63 |
2461 | char *str, *str2; |
4a8fc3c4 |
2462 | va_list ap; |
2463 | va_start(ap, fmt); |
57356d63 |
2464 | str = dupvprintf(fmt, ap); |
2465 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2466 | sfree(str); |
4a8fc3c4 |
2467 | va_end(ap); |
57356d63 |
2468 | fputs(str2, stderr); |
2469 | sfree(str2); |
4a8fc3c4 |
2470 | |
93b581bd |
2471 | cleanup_exit(1); |
4a8fc3c4 |
2472 | } |
1709795f |
2473 | void modalfatalbox(char *fmt, ...) |
2474 | { |
57356d63 |
2475 | char *str, *str2; |
1709795f |
2476 | va_list ap; |
2477 | va_start(ap, fmt); |
57356d63 |
2478 | str = dupvprintf(fmt, ap); |
2479 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2480 | sfree(str); |
1709795f |
2481 | va_end(ap); |
57356d63 |
2482 | fputs(str2, stderr); |
2483 | sfree(str2); |
1709795f |
2484 | |
2485 | cleanup_exit(1); |
2486 | } |
a8327734 |
2487 | void connection_fatal(void *frontend, char *fmt, ...) |
4a8fc3c4 |
2488 | { |
57356d63 |
2489 | char *str, *str2; |
4a8fc3c4 |
2490 | va_list ap; |
2491 | va_start(ap, fmt); |
57356d63 |
2492 | str = dupvprintf(fmt, ap); |
2493 | str2 = dupcat("Fatal: ", str, "\n", NULL); |
2494 | sfree(str); |
4a8fc3c4 |
2495 | va_end(ap); |
57356d63 |
2496 | fputs(str2, stderr); |
2497 | sfree(str2); |
4a8fc3c4 |
2498 | |
93b581bd |
2499 | cleanup_exit(1); |
4a8fc3c4 |
2500 | } |
2501 | |
6b78788a |
2502 | void ldisc_send(void *handle, char *buf, int len, int interactive) |
32874aea |
2503 | { |
4a8fc3c4 |
2504 | /* |
2505 | * This is only here because of the calls to ldisc_send(NULL, |
2506 | * 0) in ssh.c. Nothing in PSFTP actually needs to use the |
2507 | * ldisc as an ldisc. So if we get called with any real data, I |
2508 | * want to know about it. |
4c7f0d61 |
2509 | */ |
4a8fc3c4 |
2510 | assert(len == 0); |
2511 | } |
2512 | |
2513 | /* |
c44bf5bd |
2514 | * In psftp, all agent requests should be synchronous, so this is a |
2515 | * never-called stub. |
2516 | */ |
2517 | void agent_schedule_callback(void (*callback)(void *, void *, int), |
2518 | void *callback_ctx, void *data, int len) |
2519 | { |
2520 | assert(!"We shouldn't be here"); |
2521 | } |
2522 | |
2523 | /* |
4a8fc3c4 |
2524 | * Receive a block of data from the SSH link. Block until all data |
2525 | * is available. |
2526 | * |
2527 | * To do this, we repeatedly call the SSH protocol module, with our |
2528 | * own trap in from_backend() to catch the data that comes back. We |
2529 | * do this until we have enough data. |
2530 | */ |
2531 | |
32874aea |
2532 | static unsigned char *outptr; /* where to put the data */ |
2533 | static unsigned outlen; /* how much data required */ |
4a8fc3c4 |
2534 | static unsigned char *pending = NULL; /* any spare data */ |
32874aea |
2535 | static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */ |
9fab77dc |
2536 | int from_backend(void *frontend, int is_stderr, const char *data, int datalen) |
32874aea |
2537 | { |
2538 | unsigned char *p = (unsigned char *) data; |
2539 | unsigned len = (unsigned) datalen; |
4a8fc3c4 |
2540 | |
2541 | /* |
2542 | * stderr data is just spouted to local stderr and otherwise |
2543 | * ignored. |
2544 | */ |
2545 | if (is_stderr) { |
bfa5400d |
2546 | if (len > 0) |
ecb25722 |
2547 | if (fwrite(data, 1, len, stderr) < len) |
2548 | /* oh well */; |
5471d09a |
2549 | return 0; |
4a8fc3c4 |
2550 | } |
2551 | |
2552 | /* |
2553 | * If this is before the real session begins, just return. |
2554 | */ |
2555 | if (!outptr) |
5471d09a |
2556 | return 0; |
4a8fc3c4 |
2557 | |
bfa5400d |
2558 | if ((outlen > 0) && (len > 0)) { |
32874aea |
2559 | unsigned used = outlen; |
2560 | if (used > len) |
2561 | used = len; |
2562 | memcpy(outptr, p, used); |
2563 | outptr += used; |
2564 | outlen -= used; |
2565 | p += used; |
2566 | len -= used; |
4a8fc3c4 |
2567 | } |
2568 | |
2569 | if (len > 0) { |
32874aea |
2570 | if (pendsize < pendlen + len) { |
2571 | pendsize = pendlen + len + 4096; |
3d88e64d |
2572 | pending = sresize(pending, pendsize, unsigned char); |
32874aea |
2573 | } |
2574 | memcpy(pending + pendlen, p, len); |
2575 | pendlen += len; |
4a8fc3c4 |
2576 | } |
5471d09a |
2577 | |
2578 | return 0; |
4a8fc3c4 |
2579 | } |
edd0cb8a |
2580 | int from_backend_untrusted(void *frontend_handle, const char *data, int len) |
2581 | { |
2582 | /* |
2583 | * No "untrusted" output should get here (the way the code is |
2584 | * currently, it's all diverted by FLAG_STDERR). |
2585 | */ |
2586 | assert(!"Unexpected call to from_backend_untrusted()"); |
2587 | return 0; /* not reached */ |
2588 | } |
bc06669b |
2589 | int from_backend_eof(void *frontend) |
2590 | { |
2591 | /* |
2592 | * We expect to be the party deciding when to close the |
2593 | * connection, so if we see EOF before we sent it ourselves, we |
2594 | * should panic. |
2595 | */ |
2596 | if (!sent_eof) { |
2597 | connection_fatal(frontend, |
2598 | "Received unexpected end-of-file from SFTP server"); |
2599 | } |
2600 | return FALSE; |
2601 | } |
32874aea |
2602 | int sftp_recvdata(char *buf, int len) |
2603 | { |
2604 | outptr = (unsigned char *) buf; |
4a8fc3c4 |
2605 | outlen = len; |
2606 | |
2607 | /* |
2608 | * See if the pending-input block contains some of what we |
2609 | * need. |
2610 | */ |
2611 | if (pendlen > 0) { |
32874aea |
2612 | unsigned pendused = pendlen; |
2613 | if (pendused > outlen) |
2614 | pendused = outlen; |
4a8fc3c4 |
2615 | memcpy(outptr, pending, pendused); |
32874aea |
2616 | memmove(pending, pending + pendused, pendlen - pendused); |
4a8fc3c4 |
2617 | outptr += pendused; |
2618 | outlen -= pendused; |
32874aea |
2619 | pendlen -= pendused; |
2620 | if (pendlen == 0) { |
2621 | pendsize = 0; |
2622 | sfree(pending); |
2623 | pending = NULL; |
2624 | } |
2625 | if (outlen == 0) |
2626 | return 1; |
4a8fc3c4 |
2627 | } |
2628 | |
2629 | while (outlen > 0) { |
34580230 |
2630 | if (back->exitcode(backhandle) >= 0 || ssh_sftp_loop_iteration() < 0) |
32874aea |
2631 | return 0; /* doom */ |
4a8fc3c4 |
2632 | } |
2633 | |
2634 | return 1; |
2635 | } |
32874aea |
2636 | int sftp_senddata(char *buf, int len) |
2637 | { |
776792d7 |
2638 | back->send(backhandle, buf, len); |
4a8fc3c4 |
2639 | return 1; |
2640 | } |
2641 | |
2642 | /* |
4a8fc3c4 |
2643 | * Short description of parameters. |
2644 | */ |
2645 | static void usage(void) |
2646 | { |
2647 | printf("PuTTY Secure File Transfer (SFTP) client\n"); |
2648 | printf("%s\n", ver); |
90767715 |
2649 | printf("Usage: psftp [options] [user@]host\n"); |
4a8fc3c4 |
2650 | printf("Options:\n"); |
2285d016 |
2651 | printf(" -V print version information and exit\n"); |
2652 | printf(" -pgpfp print PGP key fingerprints and exit\n"); |
9954aaa3 |
2653 | printf(" -b file use specified batchfile\n"); |
2654 | printf(" -bc output batchfile commands\n"); |
2655 | printf(" -be don't stop batchfile processing if errors\n"); |
4a8fc3c4 |
2656 | printf(" -v show verbose messages\n"); |
e2a197cf |
2657 | printf(" -load sessname Load settings from saved session\n"); |
2658 | printf(" -l user connect with specified username\n"); |
4a8fc3c4 |
2659 | printf(" -P port connect to specified port\n"); |
2660 | printf(" -pw passw login with specified password\n"); |
e2a197cf |
2661 | printf(" -1 -2 force use of particular SSH protocol version\n"); |
05581745 |
2662 | printf(" -4 -6 force use of IPv4 or IPv6\n"); |
e2a197cf |
2663 | printf(" -C enable compression\n"); |
2664 | printf(" -i key private key file for authentication\n"); |
e5708bc7 |
2665 | printf(" -noagent disable use of Pageant\n"); |
2666 | printf(" -agent enable use of Pageant\n"); |
e2a197cf |
2667 | printf(" -batch disable all interactive prompts\n"); |
93b581bd |
2668 | cleanup_exit(1); |
4a8fc3c4 |
2669 | } |
2670 | |
dc108ebc |
2671 | static void version(void) |
2672 | { |
2673 | printf("psftp: %s\n", ver); |
2674 | cleanup_exit(1); |
2675 | } |
2676 | |
4a8fc3c4 |
2677 | /* |
fa3db767 |
2678 | * Connect to a host. |
4a8fc3c4 |
2679 | */ |
fa3db767 |
2680 | static int psftp_connect(char *userhost, char *user, int portnumber) |
4a8fc3c4 |
2681 | { |
fa3db767 |
2682 | char *host, *realhost; |
cbe2d68f |
2683 | const char *err; |
b51259f6 |
2684 | void *logctx; |
4a8fc3c4 |
2685 | |
2686 | /* Separate host and username */ |
2687 | host = userhost; |
2688 | host = strrchr(host, '@'); |
2689 | if (host == NULL) { |
2690 | host = userhost; |
2691 | } else { |
2692 | *host++ = '\0'; |
2693 | if (user) { |
32874aea |
2694 | printf("psftp: multiple usernames specified; using \"%s\"\n", |
2695 | user); |
4a8fc3c4 |
2696 | } else |
2697 | user = userhost; |
2698 | } |
2699 | |
18e62ad8 |
2700 | /* |
2701 | * If we haven't loaded session details already (e.g., from -load), |
2702 | * try looking for a session called "host". |
2703 | */ |
2704 | if (!loaded_session) { |
2705 | /* Try to load settings for `host' into a temporary config */ |
4a693cfc |
2706 | Conf *conf2 = conf_new(); |
2707 | conf_set_str(conf2, CONF_host, ""); |
2708 | do_defaults(host, conf2); |
2709 | if (conf_get_str(conf2, CONF_host)[0] != '\0') { |
18e62ad8 |
2710 | /* Settings present and include hostname */ |
2711 | /* Re-load data into the real config. */ |
4a693cfc |
2712 | do_defaults(host, conf); |
18e62ad8 |
2713 | } else { |
2714 | /* Session doesn't exist or mention a hostname. */ |
2715 | /* Use `host' as a bare hostname. */ |
4a693cfc |
2716 | conf_set_str(conf, CONF_host, host); |
18e62ad8 |
2717 | } |
2718 | } else { |
2719 | /* Patch in hostname `host' to session details. */ |
4a693cfc |
2720 | conf_set_str(conf, CONF_host, host); |
f133db8e |
2721 | } |
2722 | |
2723 | /* |
2724 | * Force use of SSH. (If they got the protocol wrong we assume the |
2725 | * port is useless too.) |
2726 | */ |
4a693cfc |
2727 | if (conf_get_int(conf, CONF_protocol) != PROT_SSH) { |
2728 | conf_set_int(conf, CONF_protocol, PROT_SSH); |
2729 | conf_set_int(conf, CONF_port, 22); |
4a8fc3c4 |
2730 | } |
2731 | |
449925a6 |
2732 | /* |
4123fa9a |
2733 | * If saved session / Default Settings says SSH-1 (`1 only' or `1'), |
2734 | * then change it to SSH-2, on the grounds that that's more likely to |
2735 | * work for SFTP. (Can be overridden with `-1' option.) |
2736 | * But if it says `2 only' or `2', respect which. |
2737 | */ |
4a693cfc |
2738 | if ((conf_get_int(conf, CONF_sshprot) & ~1) != 2) /* is it 2 or 3? */ |
2739 | conf_set_int(conf, CONF_sshprot, 2); |
4123fa9a |
2740 | |
2741 | /* |
c0a81592 |
2742 | * Enact command-line overrides. |
2743 | */ |
4a693cfc |
2744 | cmdline_run_saved(conf); |
c0a81592 |
2745 | |
2746 | /* |
4a693cfc |
2747 | * Muck about with the hostname in various ways. |
449925a6 |
2748 | */ |
2749 | { |
4a693cfc |
2750 | char *hostbuf = dupstr(conf_get_str(conf, CONF_host)); |
2751 | char *host = hostbuf; |
2752 | char *p, *q; |
449925a6 |
2753 | |
4a693cfc |
2754 | /* |
2755 | * Trim leading whitespace. |
2756 | */ |
2757 | host += strspn(host, " \t"); |
449925a6 |
2758 | |
4a693cfc |
2759 | /* |
2760 | * See if host is of the form user@host, and separate out |
2761 | * the username if so. |
2762 | */ |
2763 | if (host[0] != '\0') { |
2764 | char *atsign = strrchr(host, '@'); |
2765 | if (atsign) { |
2766 | *atsign = '\0'; |
2767 | conf_set_str(conf, CONF_username, host); |
2768 | host = atsign + 1; |
cae0c023 |
2769 | } |
cae0c023 |
2770 | } |
4a693cfc |
2771 | |
2772 | /* |
2773 | * Remove any remaining whitespace. |
2774 | */ |
2775 | p = hostbuf; |
2776 | q = host; |
2777 | while (*q) { |
2778 | if (*q != ' ' && *q != '\t') |
2779 | *p++ = *q; |
2780 | q++; |
2781 | } |
2782 | *p = '\0'; |
2783 | |
2784 | conf_set_str(conf, CONF_host, hostbuf); |
2785 | sfree(hostbuf); |
cae0c023 |
2786 | } |
2787 | |
4a8fc3c4 |
2788 | /* Set username */ |
2789 | if (user != NULL && user[0] != '\0') { |
4a693cfc |
2790 | conf_set_str(conf, CONF_username, user); |
4a8fc3c4 |
2791 | } |
4a8fc3c4 |
2792 | |
4a8fc3c4 |
2793 | if (portnumber) |
4a693cfc |
2794 | conf_set_int(conf, CONF_port, portnumber); |
4a8fc3c4 |
2795 | |
d27b4a18 |
2796 | /* |
2797 | * Disable scary things which shouldn't be enabled for simple |
2798 | * things like SCP and SFTP: agent forwarding, port forwarding, |
2799 | * X forwarding. |
2800 | */ |
4a693cfc |
2801 | conf_set_int(conf, CONF_x11_forward, 0); |
2802 | conf_set_int(conf, CONF_agentfwd, 0); |
2803 | conf_set_int(conf, CONF_ssh_simple, TRUE); |
2804 | { |
2805 | char *key; |
2806 | while ((key = conf_get_str_nthstrkey(conf, CONF_portfwd, 0)) != NULL) |
2807 | conf_del_str_str(conf, CONF_portfwd, key); |
2808 | } |
d27b4a18 |
2809 | |
bebf22d0 |
2810 | /* Set up subsystem name. */ |
4a693cfc |
2811 | conf_set_str(conf, CONF_remote_cmd, "sftp"); |
2812 | conf_set_int(conf, CONF_ssh_subsys, TRUE); |
2813 | conf_set_int(conf, CONF_nopty, TRUE); |
4a8fc3c4 |
2814 | |
bebf22d0 |
2815 | /* |
2e85c969 |
2816 | * Set up fallback option, for SSH-1 servers or servers with the |
bebf22d0 |
2817 | * sftp subsystem not enabled but the server binary installed |
2818 | * in the usual place. We only support fallback on Unix |
248c0c5a |
2819 | * systems, and we use a kludgy piece of shellery which should |
2820 | * try to find sftp-server in various places (the obvious |
2821 | * systemwide spots /usr/lib and /usr/local/lib, and then the |
2822 | * user's PATH) and finally give up. |
bebf22d0 |
2823 | * |
248c0c5a |
2824 | * test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server |
2825 | * test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server |
2826 | * exec sftp-server |
bebf22d0 |
2827 | * |
2828 | * the idea being that this will attempt to use either of the |
2829 | * obvious pathnames and then give up, and when it does give up |
2830 | * it will print the preferred pathname in the error messages. |
2831 | */ |
4a693cfc |
2832 | conf_set_str(conf, CONF_remote_cmd2, |
2833 | "test -x /usr/lib/sftp-server &&" |
2834 | " exec /usr/lib/sftp-server\n" |
2835 | "test -x /usr/local/lib/sftp-server &&" |
2836 | " exec /usr/local/lib/sftp-server\n" |
2837 | "exec sftp-server"); |
2838 | conf_set_int(conf, CONF_ssh_subsys2, FALSE); |
bebf22d0 |
2839 | |
4a8fc3c4 |
2840 | back = &ssh_backend; |
2841 | |
4a693cfc |
2842 | err = back->init(NULL, &backhandle, conf, |
2843 | conf_get_str(conf, CONF_host), |
2844 | conf_get_int(conf, CONF_port), |
2845 | &realhost, 0, |
2846 | conf_get_int(conf, CONF_tcp_keepalives)); |
4a8fc3c4 |
2847 | if (err != NULL) { |
fa3db767 |
2848 | fprintf(stderr, "ssh_init: %s\n", err); |
4a8fc3c4 |
2849 | return 1; |
2850 | } |
4a693cfc |
2851 | logctx = log_init(NULL, conf); |
a8327734 |
2852 | back->provide_logctx(backhandle, logctx); |
d3fef4a5 |
2853 | console_provide_logctx(logctx); |
d6cc41e6 |
2854 | while (!back->sendok(backhandle)) { |
2e528220 |
2855 | if (back->exitcode(backhandle) >= 0) |
2856 | return 1; |
d6cc41e6 |
2857 | if (ssh_sftp_loop_iteration() < 0) { |
2858 | fprintf(stderr, "ssh_init: error during SSH connection setup\n"); |
2859 | return 1; |
2860 | } |
2861 | } |
4a8fc3c4 |
2862 | if (verbose && realhost != NULL) |
2863 | printf("Connected to %s\n", realhost); |
679539d7 |
2864 | if (realhost != NULL) |
2865 | sfree(realhost); |
fa3db767 |
2866 | return 0; |
2867 | } |
2868 | |
c0a81592 |
2869 | void cmdline_error(char *p, ...) |
2870 | { |
2871 | va_list ap; |
86256dc6 |
2872 | fprintf(stderr, "psftp: "); |
c0a81592 |
2873 | va_start(ap, p); |
2874 | vfprintf(stderr, p, ap); |
2875 | va_end(ap); |
86256dc6 |
2876 | fprintf(stderr, "\n try typing \"psftp -h\" for help\n"); |
c0a81592 |
2877 | exit(1); |
2878 | } |
2879 | |
fa3db767 |
2880 | /* |
2881 | * Main program. Parse arguments etc. |
2882 | */ |
d6cc41e6 |
2883 | int psftp_main(int argc, char *argv[]) |
fa3db767 |
2884 | { |
2885 | int i; |
2886 | int portnumber = 0; |
2887 | char *userhost, *user; |
2888 | int mode = 0; |
2889 | int modeflags = 0; |
2890 | char *batchfile = NULL; |
2891 | |
b51259f6 |
2892 | flags = FLAG_STDERR | FLAG_INTERACTIVE |
2893 | #ifdef FLAG_SYNCAGENT |
2894 | | FLAG_SYNCAGENT |
2895 | #endif |
2896 | ; |
c0a81592 |
2897 | cmdline_tooltype = TOOLTYPE_FILETRANSFER; |
fa3db767 |
2898 | sk_init(); |
2899 | |
2900 | userhost = user = NULL; |
2901 | |
18e62ad8 |
2902 | /* Load Default Settings before doing anything else. */ |
4a693cfc |
2903 | conf = conf_new(); |
2904 | do_defaults(NULL, conf); |
18e62ad8 |
2905 | loaded_session = FALSE; |
2906 | |
fa3db767 |
2907 | for (i = 1; i < argc; i++) { |
c0a81592 |
2908 | int ret; |
fa3db767 |
2909 | if (argv[i][0] != '-') { |
c0a81592 |
2910 | if (userhost) |
2911 | usage(); |
2912 | else |
2913 | userhost = dupstr(argv[i]); |
2914 | continue; |
2915 | } |
4a693cfc |
2916 | ret = cmdline_process_param(argv[i], i+1<argc?argv[i+1]:NULL, 1, conf); |
c0a81592 |
2917 | if (ret == -2) { |
2918 | cmdline_error("option \"%s\" requires an argument", argv[i]); |
2919 | } else if (ret == 2) { |
2920 | i++; /* skip next argument */ |
2921 | } else if (ret == 1) { |
2922 | /* We have our own verbosity in addition to `flags'. */ |
2923 | if (flags & FLAG_VERBOSE) |
2924 | verbose = 1; |
fa3db767 |
2925 | } else if (strcmp(argv[i], "-h") == 0 || |
2926 | strcmp(argv[i], "-?") == 0) { |
2927 | usage(); |
2285d016 |
2928 | } else if (strcmp(argv[i], "-pgpfp") == 0) { |
2929 | pgp_fingerprints(); |
2930 | return 1; |
dc108ebc |
2931 | } else if (strcmp(argv[i], "-V") == 0) { |
2932 | version(); |
c0a81592 |
2933 | } else if (strcmp(argv[i], "-batch") == 0) { |
2934 | console_batch_mode = 1; |
fa3db767 |
2935 | } else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) { |
2936 | mode = 1; |
2937 | batchfile = argv[++i]; |
d13c2ee9 |
2938 | } else if (strcmp(argv[i], "-bc") == 0) { |
fa3db767 |
2939 | modeflags = modeflags | 1; |
d13c2ee9 |
2940 | } else if (strcmp(argv[i], "-be") == 0) { |
fa3db767 |
2941 | modeflags = modeflags | 2; |
2942 | } else if (strcmp(argv[i], "--") == 0) { |
2943 | i++; |
2944 | break; |
2945 | } else { |
86256dc6 |
2946 | cmdline_error("unknown option \"%s\"", argv[i]); |
fa3db767 |
2947 | } |
2948 | } |
2949 | argc -= i; |
2950 | argv += i; |
2951 | back = NULL; |
2952 | |
2953 | /* |
e1bb41d1 |
2954 | * If the loaded session provides a hostname, and a hostname has not |
2955 | * otherwise been specified, pop it in `userhost' so that |
2956 | * `psftp -load sessname' is sufficient to start a session. |
2957 | */ |
4a693cfc |
2958 | if (!userhost && conf_get_str(conf, CONF_host)[0] != '\0') { |
2959 | userhost = dupstr(conf_get_str(conf, CONF_host)); |
e1bb41d1 |
2960 | } |
2961 | |
2962 | /* |
fa3db767 |
2963 | * If a user@host string has already been provided, connect to |
2964 | * it now. |
2965 | */ |
2966 | if (userhost) { |
679539d7 |
2967 | int ret; |
2968 | ret = psftp_connect(userhost, user, portnumber); |
2969 | sfree(userhost); |
2970 | if (ret) |
fa3db767 |
2971 | return 1; |
774204f5 |
2972 | if (do_sftp_init()) |
2973 | return 1; |
fa3db767 |
2974 | } else { |
2975 | printf("psftp: no hostname specified; use \"open host.name\"" |
679539d7 |
2976 | " to connect\n"); |
fa3db767 |
2977 | } |
4c7f0d61 |
2978 | |
9954aaa3 |
2979 | do_sftp(mode, modeflags, batchfile); |
4a8fc3c4 |
2980 | |
6226c939 |
2981 | if (back != NULL && back->connected(backhandle)) { |
4a8fc3c4 |
2982 | char ch; |
51470298 |
2983 | back->special(backhandle, TS_EOF); |
bc06669b |
2984 | sent_eof = TRUE; |
4a8fc3c4 |
2985 | sftp_recvdata(&ch, 1); |
2986 | } |
b614ce89 |
2987 | do_sftp_cleanup(); |
4a8fc3c4 |
2988 | random_save_seed(); |
679539d7 |
2989 | cmdline_cleanup(); |
2990 | console_provide_logctx(NULL); |
679539d7 |
2991 | sk_cleanup(); |
4a8fc3c4 |
2992 | |
4c7f0d61 |
2993 | return 0; |
2994 | } |