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