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61e96248 | 1 | /* |
22e6c827 | 2 | * Copyright (c) 2001,2002 Damien Miller. All rights reserved. |
61e96248 | 3 | * |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * 1. Redistributions of source code must retain the above copyright | |
8 | * notice, this list of conditions and the following disclaimer. | |
9 | * 2. Redistributions in binary form must reproduce the above copyright | |
10 | * notice, this list of conditions and the following disclaimer in the | |
11 | * documentation and/or other materials provided with the distribution. | |
12 | * | |
13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
15 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
16 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
19 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
20 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
23 | */ | |
24 | ||
25 | /* XXX: memleaks */ | |
26 | /* XXX: signed vs unsigned */ | |
22e6c827 | 27 | /* XXX: remove all logging, only return status codes */ |
61e96248 | 28 | /* XXX: copy between two remote sites */ |
29 | ||
30 | #include "includes.h" | |
e434ac29 | 31 | RCSID("$OpenBSD: sftp-client.c,v 1.32 2002/06/09 13:32:01 markus Exp $"); |
c25d3df7 | 32 | |
c25d3df7 | 33 | #include "openbsd-compat/fake-queue.h" |
61e96248 | 34 | |
61e96248 | 35 | #include "buffer.h" |
36 | #include "bufaux.h" | |
37 | #include "getput.h" | |
38 | #include "xmalloc.h" | |
39 | #include "log.h" | |
40 | #include "atomicio.h" | |
61e96248 | 41 | |
42 | #include "sftp.h" | |
43 | #include "sftp-common.h" | |
44 | #include "sftp-client.h" | |
45 | ||
c25d3df7 | 46 | /* Minimum amount of data to read at at time */ |
47 | #define MIN_READ_SIZE 512 | |
48 | ||
22e6c827 | 49 | struct sftp_conn { |
50 | int fd_in; | |
51 | int fd_out; | |
52 | u_int transfer_buflen; | |
53 | u_int num_requests; | |
54 | u_int version; | |
55 | u_int msg_id; | |
56 | }; | |
9c5a8165 | 57 | |
396c147e | 58 | static void |
61e96248 | 59 | send_msg(int fd, Buffer *m) |
60 | { | |
61 | int mlen = buffer_len(m); | |
62 | int len; | |
63 | Buffer oqueue; | |
64 | ||
65 | buffer_init(&oqueue); | |
66 | buffer_put_int(&oqueue, mlen); | |
67 | buffer_append(&oqueue, buffer_ptr(m), mlen); | |
68 | buffer_consume(m, mlen); | |
69 | ||
70 | len = atomicio(write, fd, buffer_ptr(&oqueue), buffer_len(&oqueue)); | |
71 | if (len <= 0) | |
72 | fatal("Couldn't send packet: %s", strerror(errno)); | |
73 | ||
74 | buffer_free(&oqueue); | |
75 | } | |
76 | ||
396c147e | 77 | static void |
61e96248 | 78 | get_msg(int fd, Buffer *m) |
79 | { | |
80 | u_int len, msg_len; | |
81 | unsigned char buf[4096]; | |
82 | ||
83 | len = atomicio(read, fd, buf, 4); | |
bb6da70f | 84 | if (len == 0) |
85 | fatal("Connection closed"); | |
86 | else if (len == -1) | |
61e96248 | 87 | fatal("Couldn't read packet: %s", strerror(errno)); |
88 | ||
89 | msg_len = GET_32BIT(buf); | |
90 | if (msg_len > 256 * 1024) | |
91 | fatal("Received message too long %d", msg_len); | |
92 | ||
93 | while (msg_len) { | |
94 | len = atomicio(read, fd, buf, MIN(msg_len, sizeof(buf))); | |
bb6da70f | 95 | if (len == 0) |
96 | fatal("Connection closed"); | |
97 | else if (len == -1) | |
61e96248 | 98 | fatal("Couldn't read packet: %s", strerror(errno)); |
99 | ||
100 | msg_len -= len; | |
101 | buffer_append(m, buf, len); | |
102 | } | |
103 | } | |
104 | ||
396c147e | 105 | static void |
61e96248 | 106 | send_string_request(int fd, u_int id, u_int code, char *s, |
107 | u_int len) | |
108 | { | |
109 | Buffer msg; | |
110 | ||
111 | buffer_init(&msg); | |
112 | buffer_put_char(&msg, code); | |
113 | buffer_put_int(&msg, id); | |
114 | buffer_put_string(&msg, s, len); | |
115 | send_msg(fd, &msg); | |
116 | debug3("Sent message fd %d T:%d I:%d", fd, code, id); | |
117 | buffer_free(&msg); | |
118 | } | |
119 | ||
396c147e | 120 | static void |
61e96248 | 121 | send_string_attrs_request(int fd, u_int id, u_int code, char *s, |
122 | u_int len, Attrib *a) | |
123 | { | |
124 | Buffer msg; | |
125 | ||
126 | buffer_init(&msg); | |
127 | buffer_put_char(&msg, code); | |
128 | buffer_put_int(&msg, id); | |
129 | buffer_put_string(&msg, s, len); | |
130 | encode_attrib(&msg, a); | |
131 | send_msg(fd, &msg); | |
132 | debug3("Sent message fd %d T:%d I:%d", fd, code, id); | |
133 | buffer_free(&msg); | |
134 | } | |
135 | ||
396c147e | 136 | static u_int |
61e96248 | 137 | get_status(int fd, int expected_id) |
138 | { | |
139 | Buffer msg; | |
140 | u_int type, id, status; | |
141 | ||
142 | buffer_init(&msg); | |
143 | get_msg(fd, &msg); | |
144 | type = buffer_get_char(&msg); | |
145 | id = buffer_get_int(&msg); | |
146 | ||
147 | if (id != expected_id) | |
148 | fatal("ID mismatch (%d != %d)", id, expected_id); | |
149 | if (type != SSH2_FXP_STATUS) | |
150 | fatal("Expected SSH2_FXP_STATUS(%d) packet, got %d", | |
151 | SSH2_FXP_STATUS, type); | |
152 | ||
153 | status = buffer_get_int(&msg); | |
154 | buffer_free(&msg); | |
155 | ||
156 | debug3("SSH2_FXP_STATUS %d", status); | |
157 | ||
158 | return(status); | |
159 | } | |
160 | ||
396c147e | 161 | static char * |
61e96248 | 162 | get_handle(int fd, u_int expected_id, u_int *len) |
163 | { | |
164 | Buffer msg; | |
165 | u_int type, id; | |
166 | char *handle; | |
167 | ||
168 | buffer_init(&msg); | |
169 | get_msg(fd, &msg); | |
170 | type = buffer_get_char(&msg); | |
171 | id = buffer_get_int(&msg); | |
172 | ||
173 | if (id != expected_id) | |
174 | fatal("ID mismatch (%d != %d)", id, expected_id); | |
175 | if (type == SSH2_FXP_STATUS) { | |
176 | int status = buffer_get_int(&msg); | |
177 | ||
178 | error("Couldn't get handle: %s", fx2txt(status)); | |
179 | return(NULL); | |
180 | } else if (type != SSH2_FXP_HANDLE) | |
181 | fatal("Expected SSH2_FXP_HANDLE(%d) packet, got %d", | |
182 | SSH2_FXP_HANDLE, type); | |
183 | ||
184 | handle = buffer_get_string(&msg, len); | |
185 | buffer_free(&msg); | |
186 | ||
187 | return(handle); | |
188 | } | |
189 | ||
396c147e | 190 | static Attrib * |
d50d9b63 | 191 | get_decode_stat(int fd, u_int expected_id, int quiet) |
61e96248 | 192 | { |
193 | Buffer msg; | |
194 | u_int type, id; | |
195 | Attrib *a; | |
196 | ||
197 | buffer_init(&msg); | |
198 | get_msg(fd, &msg); | |
199 | ||
200 | type = buffer_get_char(&msg); | |
201 | id = buffer_get_int(&msg); | |
202 | ||
203 | debug3("Received stat reply T:%d I:%d", type, id); | |
204 | if (id != expected_id) | |
205 | fatal("ID mismatch (%d != %d)", id, expected_id); | |
206 | if (type == SSH2_FXP_STATUS) { | |
207 | int status = buffer_get_int(&msg); | |
208 | ||
d50d9b63 | 209 | if (quiet) |
210 | debug("Couldn't stat remote file: %s", fx2txt(status)); | |
211 | else | |
212 | error("Couldn't stat remote file: %s", fx2txt(status)); | |
61e96248 | 213 | return(NULL); |
214 | } else if (type != SSH2_FXP_ATTRS) { | |
215 | fatal("Expected SSH2_FXP_ATTRS(%d) packet, got %d", | |
216 | SSH2_FXP_ATTRS, type); | |
217 | } | |
218 | a = decode_attrib(&msg); | |
219 | buffer_free(&msg); | |
220 | ||
221 | return(a); | |
222 | } | |
223 | ||
22e6c827 | 224 | struct sftp_conn * |
225 | do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests) | |
61e96248 | 226 | { |
227 | int type, version; | |
228 | Buffer msg; | |
22e6c827 | 229 | struct sftp_conn *ret; |
61e96248 | 230 | |
231 | buffer_init(&msg); | |
232 | buffer_put_char(&msg, SSH2_FXP_INIT); | |
233 | buffer_put_int(&msg, SSH2_FILEXFER_VERSION); | |
234 | send_msg(fd_out, &msg); | |
235 | ||
236 | buffer_clear(&msg); | |
237 | ||
238 | get_msg(fd_in, &msg); | |
239 | ||
2b87da3b | 240 | /* Expecting a VERSION reply */ |
61e96248 | 241 | if ((type = buffer_get_char(&msg)) != SSH2_FXP_VERSION) { |
242 | error("Invalid packet back from SSH2_FXP_INIT (type %d)", | |
243 | type); | |
244 | buffer_free(&msg); | |
22e6c827 | 245 | return(NULL); |
61e96248 | 246 | } |
247 | version = buffer_get_int(&msg); | |
248 | ||
249 | debug2("Remote version: %d", version); | |
250 | ||
251 | /* Check for extensions */ | |
252 | while (buffer_len(&msg) > 0) { | |
253 | char *name = buffer_get_string(&msg, NULL); | |
254 | char *value = buffer_get_string(&msg, NULL); | |
255 | ||
256 | debug2("Init extension: \"%s\"", name); | |
257 | xfree(name); | |
258 | xfree(value); | |
259 | } | |
260 | ||
261 | buffer_free(&msg); | |
3a7fe5ba | 262 | |
22e6c827 | 263 | ret = xmalloc(sizeof(*ret)); |
264 | ret->fd_in = fd_in; | |
265 | ret->fd_out = fd_out; | |
266 | ret->transfer_buflen = transfer_buflen; | |
267 | ret->num_requests = num_requests; | |
268 | ret->version = version; | |
269 | ret->msg_id = 1; | |
270 | ||
271 | /* Some filexfer v.0 servers don't support large packets */ | |
272 | if (version == 0) | |
92053302 | 273 | ret->transfer_buflen = MIN(ret->transfer_buflen, 20480); |
22e6c827 | 274 | |
275 | return(ret); | |
276 | } | |
277 | ||
278 | u_int | |
279 | sftp_proto_version(struct sftp_conn *conn) | |
280 | { | |
281 | return(conn->version); | |
61e96248 | 282 | } |
283 | ||
284 | int | |
22e6c827 | 285 | do_close(struct sftp_conn *conn, char *handle, u_int handle_len) |
61e96248 | 286 | { |
287 | u_int id, status; | |
288 | Buffer msg; | |
289 | ||
290 | buffer_init(&msg); | |
291 | ||
22e6c827 | 292 | id = conn->msg_id++; |
61e96248 | 293 | buffer_put_char(&msg, SSH2_FXP_CLOSE); |
294 | buffer_put_int(&msg, id); | |
295 | buffer_put_string(&msg, handle, handle_len); | |
22e6c827 | 296 | send_msg(conn->fd_out, &msg); |
61e96248 | 297 | debug3("Sent message SSH2_FXP_CLOSE I:%d", id); |
298 | ||
22e6c827 | 299 | status = get_status(conn->fd_in, id); |
61e96248 | 300 | if (status != SSH2_FX_OK) |
301 | error("Couldn't close file: %s", fx2txt(status)); | |
302 | ||
303 | buffer_free(&msg); | |
304 | ||
305 | return(status); | |
306 | } | |
307 | ||
2e4fb373 | 308 | |
396c147e | 309 | static int |
22e6c827 | 310 | do_lsreaddir(struct sftp_conn *conn, char *path, int printflag, |
2e4fb373 | 311 | SFTP_DIRENT ***dir) |
61e96248 | 312 | { |
313 | Buffer msg; | |
4cb5d598 | 314 | u_int type, id, handle_len, i, expected_id, ents = 0; |
61e96248 | 315 | char *handle; |
316 | ||
22e6c827 | 317 | id = conn->msg_id++; |
61e96248 | 318 | |
319 | buffer_init(&msg); | |
320 | buffer_put_char(&msg, SSH2_FXP_OPENDIR); | |
321 | buffer_put_int(&msg, id); | |
322 | buffer_put_cstring(&msg, path); | |
22e6c827 | 323 | send_msg(conn->fd_out, &msg); |
61e96248 | 324 | |
325 | buffer_clear(&msg); | |
326 | ||
22e6c827 | 327 | handle = get_handle(conn->fd_in, id, &handle_len); |
61e96248 | 328 | if (handle == NULL) |
329 | return(-1); | |
330 | ||
2e4fb373 | 331 | if (dir) { |
332 | ents = 0; | |
333 | *dir = xmalloc(sizeof(**dir)); | |
334 | (*dir)[0] = NULL; | |
335 | } | |
2e4fb373 | 336 | |
184eed6a | 337 | for (;;) { |
61e96248 | 338 | int count; |
339 | ||
22e6c827 | 340 | id = expected_id = conn->msg_id++; |
61e96248 | 341 | |
342 | debug3("Sending SSH2_FXP_READDIR I:%d", id); | |
343 | ||
344 | buffer_clear(&msg); | |
345 | buffer_put_char(&msg, SSH2_FXP_READDIR); | |
346 | buffer_put_int(&msg, id); | |
347 | buffer_put_string(&msg, handle, handle_len); | |
22e6c827 | 348 | send_msg(conn->fd_out, &msg); |
61e96248 | 349 | |
350 | buffer_clear(&msg); | |
351 | ||
22e6c827 | 352 | get_msg(conn->fd_in, &msg); |
61e96248 | 353 | |
354 | type = buffer_get_char(&msg); | |
355 | id = buffer_get_int(&msg); | |
356 | ||
357 | debug3("Received reply T:%d I:%d", type, id); | |
358 | ||
359 | if (id != expected_id) | |
360 | fatal("ID mismatch (%d != %d)", id, expected_id); | |
361 | ||
362 | if (type == SSH2_FXP_STATUS) { | |
363 | int status = buffer_get_int(&msg); | |
364 | ||
365 | debug3("Received SSH2_FXP_STATUS %d", status); | |
366 | ||
367 | if (status == SSH2_FX_EOF) { | |
368 | break; | |
369 | } else { | |
370 | error("Couldn't read directory: %s", | |
371 | fx2txt(status)); | |
22e6c827 | 372 | do_close(conn, handle, handle_len); |
b655a207 | 373 | return(status); |
61e96248 | 374 | } |
375 | } else if (type != SSH2_FXP_NAME) | |
376 | fatal("Expected SSH2_FXP_NAME(%d) packet, got %d", | |
377 | SSH2_FXP_NAME, type); | |
378 | ||
379 | count = buffer_get_int(&msg); | |
0426a3b4 | 380 | if (count == 0) |
381 | break; | |
382 | debug3("Received %d SSH2_FXP_NAME responses", count); | |
184eed6a | 383 | for (i = 0; i < count; i++) { |
61e96248 | 384 | char *filename, *longname; |
385 | Attrib *a; | |
386 | ||
387 | filename = buffer_get_string(&msg, NULL); | |
388 | longname = buffer_get_string(&msg, NULL); | |
389 | a = decode_attrib(&msg); | |
390 | ||
2e4fb373 | 391 | if (printflag) |
392 | printf("%s\n", longname); | |
393 | ||
394 | if (dir) { | |
cd332296 | 395 | *dir = xrealloc(*dir, sizeof(**dir) * |
2e4fb373 | 396 | (ents + 2)); |
397 | (*dir)[ents] = xmalloc(sizeof(***dir)); | |
398 | (*dir)[ents]->filename = xstrdup(filename); | |
399 | (*dir)[ents]->longname = xstrdup(longname); | |
400 | memcpy(&(*dir)[ents]->a, a, sizeof(*a)); | |
401 | (*dir)[++ents] = NULL; | |
402 | } | |
61e96248 | 403 | |
404 | xfree(filename); | |
405 | xfree(longname); | |
406 | } | |
407 | } | |
408 | ||
409 | buffer_free(&msg); | |
22e6c827 | 410 | do_close(conn, handle, handle_len); |
61e96248 | 411 | xfree(handle); |
412 | ||
413 | return(0); | |
414 | } | |
415 | ||
2e4fb373 | 416 | int |
22e6c827 | 417 | do_ls(struct sftp_conn *conn, char *path) |
2e4fb373 | 418 | { |
22e6c827 | 419 | return(do_lsreaddir(conn, path, 1, NULL)); |
2e4fb373 | 420 | } |
421 | ||
422 | int | |
22e6c827 | 423 | do_readdir(struct sftp_conn *conn, char *path, SFTP_DIRENT ***dir) |
2e4fb373 | 424 | { |
22e6c827 | 425 | return(do_lsreaddir(conn, path, 0, dir)); |
2e4fb373 | 426 | } |
427 | ||
428 | void free_sftp_dirents(SFTP_DIRENT **s) | |
429 | { | |
430 | int i; | |
184eed6a | 431 | |
432 | for (i = 0; s[i]; i++) { | |
2e4fb373 | 433 | xfree(s[i]->filename); |
434 | xfree(s[i]->longname); | |
435 | xfree(s[i]); | |
436 | } | |
437 | xfree(s); | |
438 | } | |
439 | ||
61e96248 | 440 | int |
22e6c827 | 441 | do_rm(struct sftp_conn *conn, char *path) |
61e96248 | 442 | { |
443 | u_int status, id; | |
444 | ||
445 | debug2("Sending SSH2_FXP_REMOVE \"%s\"", path); | |
446 | ||
22e6c827 | 447 | id = conn->msg_id++; |
762715ce | 448 | send_string_request(conn->fd_out, id, SSH2_FXP_REMOVE, path, |
22e6c827 | 449 | strlen(path)); |
450 | status = get_status(conn->fd_in, id); | |
61e96248 | 451 | if (status != SSH2_FX_OK) |
452 | error("Couldn't delete file: %s", fx2txt(status)); | |
453 | return(status); | |
454 | } | |
455 | ||
456 | int | |
22e6c827 | 457 | do_mkdir(struct sftp_conn *conn, char *path, Attrib *a) |
61e96248 | 458 | { |
459 | u_int status, id; | |
460 | ||
22e6c827 | 461 | id = conn->msg_id++; |
462 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_MKDIR, path, | |
61e96248 | 463 | strlen(path), a); |
464 | ||
22e6c827 | 465 | status = get_status(conn->fd_in, id); |
61e96248 | 466 | if (status != SSH2_FX_OK) |
467 | error("Couldn't create directory: %s", fx2txt(status)); | |
468 | ||
469 | return(status); | |
470 | } | |
471 | ||
472 | int | |
22e6c827 | 473 | do_rmdir(struct sftp_conn *conn, char *path) |
61e96248 | 474 | { |
475 | u_int status, id; | |
476 | ||
22e6c827 | 477 | id = conn->msg_id++; |
478 | send_string_request(conn->fd_out, id, SSH2_FXP_RMDIR, path, | |
479 | strlen(path)); | |
61e96248 | 480 | |
22e6c827 | 481 | status = get_status(conn->fd_in, id); |
61e96248 | 482 | if (status != SSH2_FX_OK) |
483 | error("Couldn't remove directory: %s", fx2txt(status)); | |
484 | ||
485 | return(status); | |
486 | } | |
487 | ||
488 | Attrib * | |
22e6c827 | 489 | do_stat(struct sftp_conn *conn, char *path, int quiet) |
61e96248 | 490 | { |
491 | u_int id; | |
492 | ||
22e6c827 | 493 | id = conn->msg_id++; |
494 | ||
762715ce | 495 | send_string_request(conn->fd_out, id, |
496 | conn->version == 0 ? SSH2_FXP_STAT_VERSION_0 : SSH2_FXP_STAT, | |
22e6c827 | 497 | path, strlen(path)); |
498 | ||
499 | return(get_decode_stat(conn->fd_in, id, quiet)); | |
61e96248 | 500 | } |
501 | ||
502 | Attrib * | |
22e6c827 | 503 | do_lstat(struct sftp_conn *conn, char *path, int quiet) |
61e96248 | 504 | { |
505 | u_int id; | |
506 | ||
22e6c827 | 507 | if (conn->version == 0) { |
508 | if (quiet) | |
509 | debug("Server version does not support lstat operation"); | |
510 | else | |
9c74a24d | 511 | log("Server version does not support lstat operation"); |
512 | return(do_stat(conn, path, quiet)); | |
22e6c827 | 513 | } |
514 | ||
515 | id = conn->msg_id++; | |
516 | send_string_request(conn->fd_out, id, SSH2_FXP_LSTAT, path, | |
517 | strlen(path)); | |
518 | ||
519 | return(get_decode_stat(conn->fd_in, id, quiet)); | |
61e96248 | 520 | } |
521 | ||
522 | Attrib * | |
22e6c827 | 523 | do_fstat(struct sftp_conn *conn, char *handle, u_int handle_len, int quiet) |
61e96248 | 524 | { |
525 | u_int id; | |
526 | ||
22e6c827 | 527 | id = conn->msg_id++; |
528 | send_string_request(conn->fd_out, id, SSH2_FXP_FSTAT, handle, | |
529 | handle_len); | |
530 | ||
531 | return(get_decode_stat(conn->fd_in, id, quiet)); | |
61e96248 | 532 | } |
533 | ||
534 | int | |
22e6c827 | 535 | do_setstat(struct sftp_conn *conn, char *path, Attrib *a) |
61e96248 | 536 | { |
537 | u_int status, id; | |
538 | ||
22e6c827 | 539 | id = conn->msg_id++; |
540 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_SETSTAT, path, | |
61e96248 | 541 | strlen(path), a); |
542 | ||
22e6c827 | 543 | status = get_status(conn->fd_in, id); |
61e96248 | 544 | if (status != SSH2_FX_OK) |
545 | error("Couldn't setstat on \"%s\": %s", path, | |
546 | fx2txt(status)); | |
547 | ||
548 | return(status); | |
549 | } | |
550 | ||
551 | int | |
22e6c827 | 552 | do_fsetstat(struct sftp_conn *conn, char *handle, u_int handle_len, |
61e96248 | 553 | Attrib *a) |
554 | { | |
555 | u_int status, id; | |
556 | ||
22e6c827 | 557 | id = conn->msg_id++; |
558 | send_string_attrs_request(conn->fd_out, id, SSH2_FXP_FSETSTAT, handle, | |
61e96248 | 559 | handle_len, a); |
560 | ||
22e6c827 | 561 | status = get_status(conn->fd_in, id); |
61e96248 | 562 | if (status != SSH2_FX_OK) |
563 | error("Couldn't fsetstat: %s", fx2txt(status)); | |
564 | ||
565 | return(status); | |
566 | } | |
567 | ||
568 | char * | |
22e6c827 | 569 | do_realpath(struct sftp_conn *conn, char *path) |
61e96248 | 570 | { |
571 | Buffer msg; | |
572 | u_int type, expected_id, count, id; | |
573 | char *filename, *longname; | |
574 | Attrib *a; | |
575 | ||
22e6c827 | 576 | expected_id = id = conn->msg_id++; |
577 | send_string_request(conn->fd_out, id, SSH2_FXP_REALPATH, path, | |
578 | strlen(path)); | |
61e96248 | 579 | |
580 | buffer_init(&msg); | |
581 | ||
22e6c827 | 582 | get_msg(conn->fd_in, &msg); |
61e96248 | 583 | type = buffer_get_char(&msg); |
584 | id = buffer_get_int(&msg); | |
585 | ||
586 | if (id != expected_id) | |
587 | fatal("ID mismatch (%d != %d)", id, expected_id); | |
588 | ||
589 | if (type == SSH2_FXP_STATUS) { | |
590 | u_int status = buffer_get_int(&msg); | |
591 | ||
592 | error("Couldn't canonicalise: %s", fx2txt(status)); | |
593 | return(NULL); | |
594 | } else if (type != SSH2_FXP_NAME) | |
595 | fatal("Expected SSH2_FXP_NAME(%d) packet, got %d", | |
596 | SSH2_FXP_NAME, type); | |
597 | ||
598 | count = buffer_get_int(&msg); | |
599 | if (count != 1) | |
600 | fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count); | |
601 | ||
602 | filename = buffer_get_string(&msg, NULL); | |
603 | longname = buffer_get_string(&msg, NULL); | |
604 | a = decode_attrib(&msg); | |
605 | ||
606 | debug3("SSH_FXP_REALPATH %s -> %s", path, filename); | |
607 | ||
608 | xfree(longname); | |
609 | ||
610 | buffer_free(&msg); | |
611 | ||
612 | return(filename); | |
613 | } | |
614 | ||
615 | int | |
22e6c827 | 616 | do_rename(struct sftp_conn *conn, char *oldpath, char *newpath) |
61e96248 | 617 | { |
618 | Buffer msg; | |
619 | u_int status, id; | |
620 | ||
621 | buffer_init(&msg); | |
622 | ||
623 | /* Send rename request */ | |
22e6c827 | 624 | id = conn->msg_id++; |
61e96248 | 625 | buffer_put_char(&msg, SSH2_FXP_RENAME); |
626 | buffer_put_int(&msg, id); | |
627 | buffer_put_cstring(&msg, oldpath); | |
628 | buffer_put_cstring(&msg, newpath); | |
22e6c827 | 629 | send_msg(conn->fd_out, &msg); |
61e96248 | 630 | debug3("Sent message SSH2_FXP_RENAME \"%s\" -> \"%s\"", oldpath, |
631 | newpath); | |
632 | buffer_free(&msg); | |
633 | ||
22e6c827 | 634 | status = get_status(conn->fd_in, id); |
61e96248 | 635 | if (status != SSH2_FX_OK) |
22e6c827 | 636 | error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, |
637 | newpath, fx2txt(status)); | |
61e96248 | 638 | |
639 | return(status); | |
640 | } | |
641 | ||
3a7fe5ba | 642 | int |
22e6c827 | 643 | do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath) |
3a7fe5ba | 644 | { |
645 | Buffer msg; | |
646 | u_int status, id; | |
647 | ||
22e6c827 | 648 | if (conn->version < 3) { |
649 | error("This server does not support the symlink operation"); | |
650 | return(SSH2_FX_OP_UNSUPPORTED); | |
651 | } | |
652 | ||
3a7fe5ba | 653 | buffer_init(&msg); |
654 | ||
655 | /* Send rename request */ | |
22e6c827 | 656 | id = conn->msg_id++; |
3a7fe5ba | 657 | buffer_put_char(&msg, SSH2_FXP_SYMLINK); |
658 | buffer_put_int(&msg, id); | |
659 | buffer_put_cstring(&msg, oldpath); | |
660 | buffer_put_cstring(&msg, newpath); | |
22e6c827 | 661 | send_msg(conn->fd_out, &msg); |
3a7fe5ba | 662 | debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath, |
663 | newpath); | |
664 | buffer_free(&msg); | |
665 | ||
22e6c827 | 666 | status = get_status(conn->fd_in, id); |
3a7fe5ba | 667 | if (status != SSH2_FX_OK) |
22e6c827 | 668 | error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, |
669 | newpath, fx2txt(status)); | |
3a7fe5ba | 670 | |
671 | return(status); | |
672 | } | |
673 | ||
674 | char * | |
22e6c827 | 675 | do_readlink(struct sftp_conn *conn, char *path) |
3a7fe5ba | 676 | { |
677 | Buffer msg; | |
678 | u_int type, expected_id, count, id; | |
679 | char *filename, *longname; | |
680 | Attrib *a; | |
681 | ||
22e6c827 | 682 | expected_id = id = conn->msg_id++; |
683 | send_string_request(conn->fd_out, id, SSH2_FXP_READLINK, path, | |
684 | strlen(path)); | |
3a7fe5ba | 685 | |
686 | buffer_init(&msg); | |
687 | ||
22e6c827 | 688 | get_msg(conn->fd_in, &msg); |
3a7fe5ba | 689 | type = buffer_get_char(&msg); |
690 | id = buffer_get_int(&msg); | |
691 | ||
692 | if (id != expected_id) | |
693 | fatal("ID mismatch (%d != %d)", id, expected_id); | |
694 | ||
695 | if (type == SSH2_FXP_STATUS) { | |
696 | u_int status = buffer_get_int(&msg); | |
697 | ||
698 | error("Couldn't readlink: %s", fx2txt(status)); | |
699 | return(NULL); | |
700 | } else if (type != SSH2_FXP_NAME) | |
701 | fatal("Expected SSH2_FXP_NAME(%d) packet, got %d", | |
702 | SSH2_FXP_NAME, type); | |
703 | ||
704 | count = buffer_get_int(&msg); | |
705 | if (count != 1) | |
706 | fatal("Got multiple names (%d) from SSH_FXP_READLINK", count); | |
707 | ||
708 | filename = buffer_get_string(&msg, NULL); | |
709 | longname = buffer_get_string(&msg, NULL); | |
710 | a = decode_attrib(&msg); | |
711 | ||
712 | debug3("SSH_FXP_READLINK %s -> %s", path, filename); | |
713 | ||
714 | xfree(longname); | |
715 | ||
716 | buffer_free(&msg); | |
717 | ||
718 | return(filename); | |
719 | } | |
720 | ||
c25d3df7 | 721 | static void |
722 | send_read_request(int fd_out, u_int id, u_int64_t offset, u_int len, | |
723 | char *handle, u_int handle_len) | |
724 | { | |
725 | Buffer msg; | |
762715ce | 726 | |
c25d3df7 | 727 | buffer_init(&msg); |
728 | buffer_clear(&msg); | |
729 | buffer_put_char(&msg, SSH2_FXP_READ); | |
730 | buffer_put_int(&msg, id); | |
731 | buffer_put_string(&msg, handle, handle_len); | |
732 | buffer_put_int64(&msg, offset); | |
733 | buffer_put_int(&msg, len); | |
734 | send_msg(fd_out, &msg); | |
735 | buffer_free(&msg); | |
762715ce | 736 | } |
c25d3df7 | 737 | |
61e96248 | 738 | int |
22e6c827 | 739 | do_download(struct sftp_conn *conn, char *remote_path, char *local_path, |
740 | int pflag) | |
61e96248 | 741 | { |
61e96248 | 742 | Attrib junk, *a; |
c25d3df7 | 743 | Buffer msg; |
744 | char *handle; | |
745 | int local_fd, status, num_req, max_req, write_error; | |
746 | int read_error, write_errno; | |
747 | u_int64_t offset, size; | |
22e6c827 | 748 | u_int handle_len, mode, type, id, buflen; |
c25d3df7 | 749 | struct request { |
750 | u_int id; | |
751 | u_int len; | |
752 | u_int64_t offset; | |
762715ce | 753 | TAILQ_ENTRY(request) tq; |
c25d3df7 | 754 | }; |
755 | TAILQ_HEAD(reqhead, request) requests; | |
756 | struct request *req; | |
757 | ||
758 | TAILQ_INIT(&requests); | |
61e96248 | 759 | |
22e6c827 | 760 | a = do_stat(conn, remote_path, 0); |
61e96248 | 761 | if (a == NULL) |
762 | return(-1); | |
763 | ||
764 | /* XXX: should we preserve set[ug]id? */ | |
765 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) | |
766 | mode = S_IWRITE | (a->perm & 0777); | |
767 | else | |
768 | mode = 0666; | |
769 | ||
d50d9b63 | 770 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && |
771 | (a->perm & S_IFDIR)) { | |
772 | error("Cannot download a directory: %s", remote_path); | |
773 | return(-1); | |
774 | } | |
775 | ||
c25d3df7 | 776 | if (a->flags & SSH2_FILEXFER_ATTR_SIZE) |
777 | size = a->size; | |
778 | else | |
779 | size = 0; | |
780 | ||
22e6c827 | 781 | buflen = conn->transfer_buflen; |
61e96248 | 782 | buffer_init(&msg); |
783 | ||
784 | /* Send open request */ | |
22e6c827 | 785 | id = conn->msg_id++; |
61e96248 | 786 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
787 | buffer_put_int(&msg, id); | |
788 | buffer_put_cstring(&msg, remote_path); | |
789 | buffer_put_int(&msg, SSH2_FXF_READ); | |
790 | attrib_clear(&junk); /* Send empty attributes */ | |
791 | encode_attrib(&msg, &junk); | |
22e6c827 | 792 | send_msg(conn->fd_out, &msg); |
61e96248 | 793 | debug3("Sent message SSH2_FXP_OPEN I:%d P:%s", id, remote_path); |
794 | ||
22e6c827 | 795 | handle = get_handle(conn->fd_in, id, &handle_len); |
61e96248 | 796 | if (handle == NULL) { |
797 | buffer_free(&msg); | |
61e96248 | 798 | return(-1); |
799 | } | |
800 | ||
22e6c827 | 801 | local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, mode); |
802 | if (local_fd == -1) { | |
803 | error("Couldn't open local file \"%s\" for writing: %s", | |
804 | local_path, strerror(errno)); | |
f60ace9f | 805 | buffer_free(&msg); |
806 | xfree(handle); | |
22e6c827 | 807 | return(-1); |
808 | } | |
809 | ||
61e96248 | 810 | /* Read from remote and write to local */ |
c25d3df7 | 811 | write_error = read_error = write_errno = num_req = offset = 0; |
812 | max_req = 1; | |
813 | while (num_req > 0 || max_req > 0) { | |
61e96248 | 814 | char *data; |
c25d3df7 | 815 | u_int len; |
61e96248 | 816 | |
c25d3df7 | 817 | /* Send some more requests */ |
818 | while (num_req < max_req) { | |
762715ce | 819 | debug3("Request range %llu -> %llu (%d/%d)", |
8627f3e0 | 820 | (unsigned long long)offset, |
821 | (unsigned long long)offset + buflen - 1, | |
822 | num_req, max_req); | |
c25d3df7 | 823 | req = xmalloc(sizeof(*req)); |
22e6c827 | 824 | req->id = conn->msg_id++; |
c25d3df7 | 825 | req->len = buflen; |
826 | req->offset = offset; | |
827 | offset += buflen; | |
828 | num_req++; | |
829 | TAILQ_INSERT_TAIL(&requests, req, tq); | |
762715ce | 830 | send_read_request(conn->fd_out, req->id, req->offset, |
c25d3df7 | 831 | req->len, handle, handle_len); |
832 | } | |
61e96248 | 833 | |
834 | buffer_clear(&msg); | |
22e6c827 | 835 | get_msg(conn->fd_in, &msg); |
61e96248 | 836 | type = buffer_get_char(&msg); |
837 | id = buffer_get_int(&msg); | |
c25d3df7 | 838 | debug3("Received reply T:%d I:%d R:%d", type, id, max_req); |
839 | ||
840 | /* Find the request in our queue */ | |
841 | for(req = TAILQ_FIRST(&requests); | |
842 | req != NULL && req->id != id; | |
843 | req = TAILQ_NEXT(req, tq)) | |
844 | ; | |
845 | if (req == NULL) | |
846 | fatal("Unexpected reply %u", id); | |
847 | ||
848 | switch (type) { | |
849 | case SSH2_FXP_STATUS: | |
0426a3b4 | 850 | status = buffer_get_int(&msg); |
c25d3df7 | 851 | if (status != SSH2_FX_EOF) |
852 | read_error = 1; | |
853 | max_req = 0; | |
854 | TAILQ_REMOVE(&requests, req, tq); | |
855 | xfree(req); | |
856 | num_req--; | |
857 | break; | |
858 | case SSH2_FXP_DATA: | |
859 | data = buffer_get_string(&msg, &len); | |
bfa7f960 | 860 | debug3("Received data %llu -> %llu", |
762715ce | 861 | (unsigned long long)req->offset, |
bfa7f960 | 862 | (unsigned long long)req->offset + len - 1); |
c25d3df7 | 863 | if (len > req->len) |
864 | fatal("Received more data than asked for " | |
865 | "%d > %d", len, req->len); | |
866 | if ((lseek(local_fd, req->offset, SEEK_SET) == -1 || | |
867 | atomicio(write, local_fd, data, len) != len) && | |
868 | !write_error) { | |
869 | write_errno = errno; | |
870 | write_error = 1; | |
871 | max_req = 0; | |
872 | } | |
873 | xfree(data); | |
61e96248 | 874 | |
c25d3df7 | 875 | if (len == req->len) { |
876 | TAILQ_REMOVE(&requests, req, tq); | |
877 | xfree(req); | |
878 | num_req--; | |
879 | } else { | |
880 | /* Resend the request for the missing data */ | |
881 | debug3("Short data block, re-requesting " | |
bfa7f960 | 882 | "%llu -> %llu (%2d)", |
762715ce | 883 | (unsigned long long)req->offset + len, |
5fc7dbc9 | 884 | (unsigned long long)req->offset + |
885 | req->len - 1, num_req); | |
22e6c827 | 886 | req->id = conn->msg_id++; |
c25d3df7 | 887 | req->len -= len; |
888 | req->offset += len; | |
762715ce | 889 | send_read_request(conn->fd_out, req->id, |
22e6c827 | 890 | req->offset, req->len, handle, handle_len); |
c25d3df7 | 891 | /* Reduce the request size */ |
892 | if (len < buflen) | |
893 | buflen = MAX(MIN_READ_SIZE, len); | |
894 | } | |
895 | if (max_req > 0) { /* max_req = 0 iff EOF received */ | |
896 | if (size > 0 && offset > size) { | |
897 | /* Only one request at a time | |
898 | * after the expected EOF */ | |
899 | debug3("Finish at %llu (%2d)", | |
bfa7f960 | 900 | (unsigned long long)offset, |
901 | num_req); | |
c25d3df7 | 902 | max_req = 1; |
903 | } | |
22e6c827 | 904 | else if (max_req < conn->num_requests + 1) { |
c25d3df7 | 905 | ++max_req; |
906 | } | |
61e96248 | 907 | } |
c25d3df7 | 908 | break; |
909 | default: | |
61e96248 | 910 | fatal("Expected SSH2_FXP_DATA(%d) packet, got %d", |
911 | SSH2_FXP_DATA, type); | |
912 | } | |
61e96248 | 913 | } |
61e96248 | 914 | |
c25d3df7 | 915 | /* Sanity check */ |
916 | if (TAILQ_FIRST(&requests) != NULL) | |
917 | fatal("Transfer complete, but requests still in queue"); | |
918 | ||
919 | if (read_error) { | |
762715ce | 920 | error("Couldn't read from remote file \"%s\" : %s", |
22e6c827 | 921 | remote_path, fx2txt(status)); |
922 | do_close(conn, handle, handle_len); | |
c25d3df7 | 923 | } else if (write_error) { |
22e6c827 | 924 | error("Couldn't write to \"%s\": %s", local_path, |
925 | strerror(write_errno)); | |
926 | status = -1; | |
927 | do_close(conn, handle, handle_len); | |
c25d3df7 | 928 | } else { |
22e6c827 | 929 | status = do_close(conn, handle, handle_len); |
c25d3df7 | 930 | |
931 | /* Override umask and utimes if asked */ | |
663fd560 | 932 | #ifdef HAVE_FCHMOD |
c25d3df7 | 933 | if (pflag && fchmod(local_fd, mode) == -1) |
663fd560 | 934 | #else |
c25d3df7 | 935 | if (pflag && chmod(local_path, mode) == -1) |
663fd560 | 936 | #endif /* HAVE_FCHMOD */ |
c25d3df7 | 937 | error("Couldn't set mode on \"%s\": %s", local_path, |
938 | strerror(errno)); | |
939 | if (pflag && (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) { | |
940 | struct timeval tv[2]; | |
941 | tv[0].tv_sec = a->atime; | |
942 | tv[1].tv_sec = a->mtime; | |
943 | tv[0].tv_usec = tv[1].tv_usec = 0; | |
944 | if (utimes(local_path, tv) == -1) | |
945 | error("Can't set times on \"%s\": %s", | |
946 | local_path, strerror(errno)); | |
947 | } | |
58c54a79 | 948 | } |
0426a3b4 | 949 | close(local_fd); |
950 | buffer_free(&msg); | |
951 | xfree(handle); | |
22e6c827 | 952 | |
953 | return(status); | |
61e96248 | 954 | } |
955 | ||
956 | int | |
22e6c827 | 957 | do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, |
958 | int pflag) | |
61e96248 | 959 | { |
375f867e | 960 | int local_fd, status; |
b2bab059 | 961 | u_int handle_len, id, type; |
61e96248 | 962 | u_int64_t offset; |
375f867e | 963 | char *handle, *data; |
61e96248 | 964 | Buffer msg; |
965 | struct stat sb; | |
966 | Attrib a; | |
c25d3df7 | 967 | u_int32_t startid; |
968 | u_int32_t ackid; | |
b2bab059 | 969 | struct outstanding_ack { |
970 | u_int id; | |
971 | u_int len; | |
972 | u_int64_t offset; | |
762715ce | 973 | TAILQ_ENTRY(outstanding_ack) tq; |
b2bab059 | 974 | }; |
975 | TAILQ_HEAD(ackhead, outstanding_ack) acks; | |
976 | struct outstanding_ack *ack; | |
977 | ||
978 | TAILQ_INIT(&acks); | |
61e96248 | 979 | |
980 | if ((local_fd = open(local_path, O_RDONLY, 0)) == -1) { | |
981 | error("Couldn't open local file \"%s\" for reading: %s", | |
982 | local_path, strerror(errno)); | |
983 | return(-1); | |
984 | } | |
985 | if (fstat(local_fd, &sb) == -1) { | |
986 | error("Couldn't fstat local file \"%s\": %s", | |
987 | local_path, strerror(errno)); | |
988 | close(local_fd); | |
989 | return(-1); | |
990 | } | |
991 | stat_to_attrib(&sb, &a); | |
992 | ||
993 | a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; | |
994 | a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID; | |
995 | a.perm &= 0777; | |
996 | if (!pflag) | |
997 | a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME; | |
998 | ||
999 | buffer_init(&msg); | |
1000 | ||
1001 | /* Send open request */ | |
22e6c827 | 1002 | id = conn->msg_id++; |
61e96248 | 1003 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
1004 | buffer_put_int(&msg, id); | |
1005 | buffer_put_cstring(&msg, remote_path); | |
1006 | buffer_put_int(&msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|SSH2_FXF_TRUNC); | |
1007 | encode_attrib(&msg, &a); | |
22e6c827 | 1008 | send_msg(conn->fd_out, &msg); |
61e96248 | 1009 | debug3("Sent message SSH2_FXP_OPEN I:%d P:%s", id, remote_path); |
1010 | ||
1011 | buffer_clear(&msg); | |
1012 | ||
22e6c827 | 1013 | handle = get_handle(conn->fd_in, id, &handle_len); |
61e96248 | 1014 | if (handle == NULL) { |
1015 | close(local_fd); | |
1016 | buffer_free(&msg); | |
1017 | return(-1); | |
1018 | } | |
1019 | ||
c25d3df7 | 1020 | startid = ackid = id + 1; |
22e6c827 | 1021 | data = xmalloc(conn->transfer_buflen); |
375f867e | 1022 | |
61e96248 | 1023 | /* Read from local and write to remote */ |
1024 | offset = 0; | |
184eed6a | 1025 | for (;;) { |
61e96248 | 1026 | int len; |
61e96248 | 1027 | |
1028 | /* | |
1029 | * Can't use atomicio here because it returns 0 on EOF, thus losing | |
1030 | * the last block of the file | |
1031 | */ | |
1032 | do | |
22e6c827 | 1033 | len = read(local_fd, data, conn->transfer_buflen); |
61e96248 | 1034 | while ((len == -1) && (errno == EINTR || errno == EAGAIN)); |
1035 | ||
1036 | if (len == -1) | |
1037 | fatal("Couldn't read from \"%s\": %s", local_path, | |
1038 | strerror(errno)); | |
c25d3df7 | 1039 | |
1040 | if (len != 0) { | |
b2bab059 | 1041 | ack = xmalloc(sizeof(*ack)); |
1042 | ack->id = ++id; | |
1043 | ack->offset = offset; | |
1044 | ack->len = len; | |
1045 | TAILQ_INSERT_TAIL(&acks, ack, tq); | |
1046 | ||
c25d3df7 | 1047 | buffer_clear(&msg); |
1048 | buffer_put_char(&msg, SSH2_FXP_WRITE); | |
b2bab059 | 1049 | buffer_put_int(&msg, ack->id); |
c25d3df7 | 1050 | buffer_put_string(&msg, handle, handle_len); |
1051 | buffer_put_int64(&msg, offset); | |
1052 | buffer_put_string(&msg, data, len); | |
22e6c827 | 1053 | send_msg(conn->fd_out, &msg); |
c25d3df7 | 1054 | debug3("Sent message SSH2_FXP_WRITE I:%d O:%llu S:%u", |
bfa7f960 | 1055 | id, (unsigned long long)offset, len); |
b2bab059 | 1056 | } else if (TAILQ_FIRST(&acks) == NULL) |
61e96248 | 1057 | break; |
1058 | ||
b2bab059 | 1059 | if (ack == NULL) |
1060 | fatal("Unexpected ACK %u", id); | |
1061 | ||
762715ce | 1062 | if (id == startid || len == 0 || |
22e6c827 | 1063 | id - ackid >= conn->num_requests) { |
875ec275 | 1064 | u_int r_id; |
af2b3cd9 | 1065 | |
b2bab059 | 1066 | buffer_clear(&msg); |
22e6c827 | 1067 | get_msg(conn->fd_in, &msg); |
b2bab059 | 1068 | type = buffer_get_char(&msg); |
af2b3cd9 | 1069 | r_id = buffer_get_int(&msg); |
b2bab059 | 1070 | |
1071 | if (type != SSH2_FXP_STATUS) | |
1072 | fatal("Expected SSH2_FXP_STATUS(%d) packet, " | |
1073 | "got %d", SSH2_FXP_STATUS, type); | |
1074 | ||
1075 | status = buffer_get_int(&msg); | |
1076 | debug3("SSH2_FXP_STATUS %d", status); | |
1077 | ||
1078 | /* Find the request in our queue */ | |
1079 | for(ack = TAILQ_FIRST(&acks); | |
af2b3cd9 | 1080 | ack != NULL && ack->id != r_id; |
b2bab059 | 1081 | ack = TAILQ_NEXT(ack, tq)) |
1082 | ; | |
1083 | if (ack == NULL) | |
af2b3cd9 | 1084 | fatal("Can't find request for ID %d", r_id); |
b2bab059 | 1085 | TAILQ_REMOVE(&acks, ack, tq); |
1086 | ||
c25d3df7 | 1087 | if (status != SSH2_FX_OK) { |
1088 | error("Couldn't write to remote file \"%s\": %s", | |
1089 | remote_path, fx2txt(status)); | |
22e6c827 | 1090 | do_close(conn, handle, handle_len); |
c25d3df7 | 1091 | close(local_fd); |
1092 | goto done; | |
1093 | } | |
762715ce | 1094 | debug3("In write loop, ack for %u %d bytes at %llu", |
bfa7f960 | 1095 | ack->id, ack->len, (unsigned long long)ack->offset); |
c25d3df7 | 1096 | ++ackid; |
b2bab059 | 1097 | free(ack); |
61e96248 | 1098 | } |
61e96248 | 1099 | offset += len; |
1100 | } | |
375f867e | 1101 | xfree(data); |
61e96248 | 1102 | |
1103 | if (close(local_fd) == -1) { | |
1104 | error("Couldn't close local file \"%s\": %s", local_path, | |
1105 | strerror(errno)); | |
22e6c827 | 1106 | do_close(conn, handle, handle_len); |
0426a3b4 | 1107 | status = -1; |
1108 | goto done; | |
61e96248 | 1109 | } |
1110 | ||
58c54a79 | 1111 | /* Override umask and utimes if asked */ |
1112 | if (pflag) | |
22e6c827 | 1113 | do_fsetstat(conn, handle, handle_len, &a); |
58c54a79 | 1114 | |
22e6c827 | 1115 | status = do_close(conn, handle, handle_len); |
0426a3b4 | 1116 | |
1117 | done: | |
1118 | xfree(handle); | |
1119 | buffer_free(&msg); | |
22e6c827 | 1120 | return(status); |
61e96248 | 1121 | } |