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b5e300c2 | 1 | /* |
cb476289 | 2 | * Copyright (c) 2000, 2001, 2002 Markus Friedl. All rights reserved. |
b5e300c2 | 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. | |
b5e300c2 | 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 | #include "includes.h" | |
0608f8a7 | 25 | RCSID("$OpenBSD: sftp-server.c,v 1.42 2003/04/08 20:21:29 itojun Exp $"); |
b5e300c2 | 26 | |
b5e300c2 | 27 | #include "buffer.h" |
28 | #include "bufaux.h" | |
29 | #include "getput.h" | |
42f11eb2 | 30 | #include "log.h" |
b5e300c2 | 31 | #include "xmalloc.h" |
32 | ||
f546c780 | 33 | #include "sftp.h" |
61e96248 | 34 | #include "sftp-common.h" |
b5e300c2 | 35 | |
36 | /* helper */ | |
f546c780 | 37 | #define get_int64() buffer_get_int64(&iqueue); |
b5e300c2 | 38 | #define get_int() buffer_get_int(&iqueue); |
39 | #define get_string(lenp) buffer_get_string(&iqueue, lenp); | |
f546c780 | 40 | #define TRACE debug |
b5e300c2 | 41 | |
260d427b | 42 | #ifdef HAVE___PROGNAME |
43 | extern char *__progname; | |
44 | #else | |
45 | char *__progname; | |
46 | #endif | |
47 | ||
b5e300c2 | 48 | /* input and output queue */ |
49 | Buffer iqueue; | |
50 | Buffer oqueue; | |
51 | ||
3a7fe5ba | 52 | /* Version of client */ |
53 | int version; | |
54 | ||
b5e300c2 | 55 | /* portable attibutes, etc. */ |
56 | ||
b5e300c2 | 57 | typedef struct Stat Stat; |
58 | ||
61e96248 | 59 | struct Stat { |
b5e300c2 | 60 | char *name; |
61 | char *long_name; | |
62 | Attrib attrib; | |
63 | }; | |
64 | ||
396c147e | 65 | static int |
b5e300c2 | 66 | errno_to_portable(int unixerrno) |
67 | { | |
68 | int ret = 0; | |
dce9bac5 | 69 | |
b5e300c2 | 70 | switch (unixerrno) { |
71 | case 0: | |
f546c780 | 72 | ret = SSH2_FX_OK; |
b5e300c2 | 73 | break; |
74 | case ENOENT: | |
75 | case ENOTDIR: | |
76 | case EBADF: | |
77 | case ELOOP: | |
f546c780 | 78 | ret = SSH2_FX_NO_SUCH_FILE; |
b5e300c2 | 79 | break; |
80 | case EPERM: | |
81 | case EACCES: | |
82 | case EFAULT: | |
f546c780 | 83 | ret = SSH2_FX_PERMISSION_DENIED; |
b5e300c2 | 84 | break; |
85 | case ENAMETOOLONG: | |
86 | case EINVAL: | |
f546c780 | 87 | ret = SSH2_FX_BAD_MESSAGE; |
b5e300c2 | 88 | break; |
89 | default: | |
f546c780 | 90 | ret = SSH2_FX_FAILURE; |
b5e300c2 | 91 | break; |
92 | } | |
93 | return ret; | |
94 | } | |
95 | ||
396c147e | 96 | static int |
b5e300c2 | 97 | flags_from_portable(int pflags) |
98 | { | |
99 | int flags = 0; | |
dce9bac5 | 100 | |
79ddf6db | 101 | if ((pflags & SSH2_FXF_READ) && |
102 | (pflags & SSH2_FXF_WRITE)) { | |
b5e300c2 | 103 | flags = O_RDWR; |
f546c780 | 104 | } else if (pflags & SSH2_FXF_READ) { |
b5e300c2 | 105 | flags = O_RDONLY; |
f546c780 | 106 | } else if (pflags & SSH2_FXF_WRITE) { |
b5e300c2 | 107 | flags = O_WRONLY; |
108 | } | |
f546c780 | 109 | if (pflags & SSH2_FXF_CREAT) |
b5e300c2 | 110 | flags |= O_CREAT; |
f546c780 | 111 | if (pflags & SSH2_FXF_TRUNC) |
b5e300c2 | 112 | flags |= O_TRUNC; |
f546c780 | 113 | if (pflags & SSH2_FXF_EXCL) |
b5e300c2 | 114 | flags |= O_EXCL; |
115 | return flags; | |
116 | } | |
117 | ||
396c147e | 118 | static Attrib * |
b5e300c2 | 119 | get_attrib(void) |
120 | { | |
121 | return decode_attrib(&iqueue); | |
122 | } | |
123 | ||
124 | /* handle handles */ | |
125 | ||
126 | typedef struct Handle Handle; | |
127 | struct Handle { | |
128 | int use; | |
129 | DIR *dirp; | |
130 | int fd; | |
131 | char *name; | |
132 | }; | |
dce9bac5 | 133 | |
b5e300c2 | 134 | enum { |
135 | HANDLE_UNUSED, | |
136 | HANDLE_DIR, | |
137 | HANDLE_FILE | |
138 | }; | |
dce9bac5 | 139 | |
b5e300c2 | 140 | Handle handles[100]; |
141 | ||
396c147e | 142 | static void |
b5e300c2 | 143 | handle_init(void) |
144 | { | |
145 | int i; | |
dce9bac5 | 146 | |
184eed6a | 147 | for (i = 0; i < sizeof(handles)/sizeof(Handle); i++) |
b5e300c2 | 148 | handles[i].use = HANDLE_UNUSED; |
149 | } | |
150 | ||
396c147e | 151 | static int |
b5e300c2 | 152 | handle_new(int use, char *name, int fd, DIR *dirp) |
153 | { | |
154 | int i; | |
dce9bac5 | 155 | |
184eed6a | 156 | for (i = 0; i < sizeof(handles)/sizeof(Handle); i++) { |
b5e300c2 | 157 | if (handles[i].use == HANDLE_UNUSED) { |
158 | handles[i].use = use; | |
159 | handles[i].dirp = dirp; | |
160 | handles[i].fd = fd; | |
3e2f2431 | 161 | handles[i].name = xstrdup(name); |
b5e300c2 | 162 | return i; |
163 | } | |
164 | } | |
165 | return -1; | |
166 | } | |
167 | ||
396c147e | 168 | static int |
b5e300c2 | 169 | handle_is_ok(int i, int type) |
170 | { | |
f546c780 | 171 | return i >= 0 && i < sizeof(handles)/sizeof(Handle) && |
172 | handles[i].use == type; | |
b5e300c2 | 173 | } |
174 | ||
396c147e | 175 | static int |
b5e300c2 | 176 | handle_to_string(int handle, char **stringp, int *hlenp) |
177 | { | |
b5e300c2 | 178 | if (stringp == NULL || hlenp == NULL) |
179 | return -1; | |
b5c334cc | 180 | *stringp = xmalloc(sizeof(int32_t)); |
181 | PUT_32BIT(*stringp, handle); | |
182 | *hlenp = sizeof(int32_t); | |
b5e300c2 | 183 | return 0; |
184 | } | |
185 | ||
396c147e | 186 | static int |
bcbf86ec | 187 | handle_from_string(char *handle, u_int hlen) |
b5e300c2 | 188 | { |
b5c334cc | 189 | int val; |
dce9bac5 | 190 | |
b5c334cc | 191 | if (hlen != sizeof(int32_t)) |
b5e300c2 | 192 | return -1; |
b5c334cc | 193 | val = GET_32BIT(handle); |
b5e300c2 | 194 | if (handle_is_ok(val, HANDLE_FILE) || |
195 | handle_is_ok(val, HANDLE_DIR)) | |
196 | return val; | |
197 | return -1; | |
198 | } | |
199 | ||
396c147e | 200 | static char * |
b5e300c2 | 201 | handle_to_name(int handle) |
202 | { | |
203 | if (handle_is_ok(handle, HANDLE_DIR)|| | |
204 | handle_is_ok(handle, HANDLE_FILE)) | |
205 | return handles[handle].name; | |
206 | return NULL; | |
207 | } | |
208 | ||
396c147e | 209 | static DIR * |
b5e300c2 | 210 | handle_to_dir(int handle) |
211 | { | |
212 | if (handle_is_ok(handle, HANDLE_DIR)) | |
213 | return handles[handle].dirp; | |
214 | return NULL; | |
215 | } | |
216 | ||
396c147e | 217 | static int |
b5e300c2 | 218 | handle_to_fd(int handle) |
219 | { | |
2b87da3b | 220 | if (handle_is_ok(handle, HANDLE_FILE)) |
b5e300c2 | 221 | return handles[handle].fd; |
222 | return -1; | |
223 | } | |
224 | ||
396c147e | 225 | static int |
b5e300c2 | 226 | handle_close(int handle) |
227 | { | |
228 | int ret = -1; | |
dce9bac5 | 229 | |
b5e300c2 | 230 | if (handle_is_ok(handle, HANDLE_FILE)) { |
231 | ret = close(handles[handle].fd); | |
232 | handles[handle].use = HANDLE_UNUSED; | |
3e2f2431 | 233 | xfree(handles[handle].name); |
b5e300c2 | 234 | } else if (handle_is_ok(handle, HANDLE_DIR)) { |
235 | ret = closedir(handles[handle].dirp); | |
236 | handles[handle].use = HANDLE_UNUSED; | |
3e2f2431 | 237 | xfree(handles[handle].name); |
b5e300c2 | 238 | } else { |
239 | errno = ENOENT; | |
240 | } | |
241 | return ret; | |
242 | } | |
243 | ||
396c147e | 244 | static int |
b5e300c2 | 245 | get_handle(void) |
246 | { | |
247 | char *handle; | |
f546c780 | 248 | int val = -1; |
bcbf86ec | 249 | u_int hlen; |
dce9bac5 | 250 | |
b5e300c2 | 251 | handle = get_string(&hlen); |
f546c780 | 252 | if (hlen < 256) |
253 | val = handle_from_string(handle, hlen); | |
b5e300c2 | 254 | xfree(handle); |
255 | return val; | |
256 | } | |
257 | ||
258 | /* send replies */ | |
259 | ||
396c147e | 260 | static void |
b5e300c2 | 261 | send_msg(Buffer *m) |
262 | { | |
263 | int mlen = buffer_len(m); | |
dce9bac5 | 264 | |
b5e300c2 | 265 | buffer_put_int(&oqueue, mlen); |
266 | buffer_append(&oqueue, buffer_ptr(m), mlen); | |
267 | buffer_consume(m, mlen); | |
268 | } | |
269 | ||
396c147e | 270 | static void |
b5e300c2 | 271 | send_status(u_int32_t id, u_int32_t error) |
272 | { | |
273 | Buffer msg; | |
3a7fe5ba | 274 | const char *status_messages[] = { |
275 | "Success", /* SSH_FX_OK */ | |
276 | "End of file", /* SSH_FX_EOF */ | |
277 | "No such file", /* SSH_FX_NO_SUCH_FILE */ | |
278 | "Permission denied", /* SSH_FX_PERMISSION_DENIED */ | |
279 | "Failure", /* SSH_FX_FAILURE */ | |
280 | "Bad message", /* SSH_FX_BAD_MESSAGE */ | |
281 | "No connection", /* SSH_FX_NO_CONNECTION */ | |
282 | "Connection lost", /* SSH_FX_CONNECTION_LOST */ | |
283 | "Operation unsupported", /* SSH_FX_OP_UNSUPPORTED */ | |
284 | "Unknown error" /* Others */ | |
285 | }; | |
dce9bac5 | 286 | |
9906a836 | 287 | TRACE("sent status id %u error %u", id, error); |
b5e300c2 | 288 | buffer_init(&msg); |
f546c780 | 289 | buffer_put_char(&msg, SSH2_FXP_STATUS); |
b5e300c2 | 290 | buffer_put_int(&msg, id); |
291 | buffer_put_int(&msg, error); | |
3a7fe5ba | 292 | if (version >= 3) { |
cd332296 | 293 | buffer_put_cstring(&msg, |
3a7fe5ba | 294 | status_messages[MIN(error,SSH2_FX_MAX)]); |
295 | buffer_put_cstring(&msg, ""); | |
296 | } | |
b5e300c2 | 297 | send_msg(&msg); |
298 | buffer_free(&msg); | |
299 | } | |
396c147e | 300 | static void |
b5e300c2 | 301 | send_data_or_handle(char type, u_int32_t id, char *data, int dlen) |
302 | { | |
303 | Buffer msg; | |
dce9bac5 | 304 | |
b5e300c2 | 305 | buffer_init(&msg); |
306 | buffer_put_char(&msg, type); | |
307 | buffer_put_int(&msg, id); | |
308 | buffer_put_string(&msg, data, dlen); | |
309 | send_msg(&msg); | |
310 | buffer_free(&msg); | |
311 | } | |
312 | ||
396c147e | 313 | static void |
b5e300c2 | 314 | send_data(u_int32_t id, char *data, int dlen) |
315 | { | |
9906a836 | 316 | TRACE("sent data id %u len %d", id, dlen); |
f546c780 | 317 | send_data_or_handle(SSH2_FXP_DATA, id, data, dlen); |
b5e300c2 | 318 | } |
319 | ||
396c147e | 320 | static void |
b5e300c2 | 321 | send_handle(u_int32_t id, int handle) |
322 | { | |
323 | char *string; | |
324 | int hlen; | |
dce9bac5 | 325 | |
b5e300c2 | 326 | handle_to_string(handle, &string, &hlen); |
9906a836 | 327 | TRACE("sent handle id %u handle %d", id, handle); |
f546c780 | 328 | send_data_or_handle(SSH2_FXP_HANDLE, id, string, hlen); |
b5e300c2 | 329 | xfree(string); |
330 | } | |
331 | ||
396c147e | 332 | static void |
b5e300c2 | 333 | send_names(u_int32_t id, int count, Stat *stats) |
334 | { | |
335 | Buffer msg; | |
336 | int i; | |
dce9bac5 | 337 | |
b5e300c2 | 338 | buffer_init(&msg); |
f546c780 | 339 | buffer_put_char(&msg, SSH2_FXP_NAME); |
b5e300c2 | 340 | buffer_put_int(&msg, id); |
341 | buffer_put_int(&msg, count); | |
9906a836 | 342 | TRACE("sent names id %u count %d", id, count); |
b5e300c2 | 343 | for (i = 0; i < count; i++) { |
344 | buffer_put_cstring(&msg, stats[i].name); | |
345 | buffer_put_cstring(&msg, stats[i].long_name); | |
346 | encode_attrib(&msg, &stats[i].attrib); | |
347 | } | |
348 | send_msg(&msg); | |
349 | buffer_free(&msg); | |
350 | } | |
351 | ||
396c147e | 352 | static void |
b5e300c2 | 353 | send_attrib(u_int32_t id, Attrib *a) |
354 | { | |
355 | Buffer msg; | |
dce9bac5 | 356 | |
9906a836 | 357 | TRACE("sent attrib id %u have 0x%x", id, a->flags); |
b5e300c2 | 358 | buffer_init(&msg); |
f546c780 | 359 | buffer_put_char(&msg, SSH2_FXP_ATTRS); |
b5e300c2 | 360 | buffer_put_int(&msg, id); |
361 | encode_attrib(&msg, a); | |
362 | send_msg(&msg); | |
363 | buffer_free(&msg); | |
364 | } | |
365 | ||
366 | /* parse incoming */ | |
367 | ||
396c147e | 368 | static void |
b5e300c2 | 369 | process_init(void) |
370 | { | |
371 | Buffer msg; | |
b5e300c2 | 372 | |
802d93bb | 373 | version = get_int(); |
b5e300c2 | 374 | TRACE("client version %d", version); |
375 | buffer_init(&msg); | |
f546c780 | 376 | buffer_put_char(&msg, SSH2_FXP_VERSION); |
377 | buffer_put_int(&msg, SSH2_FILEXFER_VERSION); | |
b5e300c2 | 378 | send_msg(&msg); |
379 | buffer_free(&msg); | |
380 | } | |
381 | ||
396c147e | 382 | static void |
b5e300c2 | 383 | process_open(void) |
384 | { | |
385 | u_int32_t id, pflags; | |
386 | Attrib *a; | |
387 | char *name; | |
f546c780 | 388 | int handle, fd, flags, mode, status = SSH2_FX_FAILURE; |
b5e300c2 | 389 | |
390 | id = get_int(); | |
391 | name = get_string(NULL); | |
f546c780 | 392 | pflags = get_int(); /* portable flags */ |
b5e300c2 | 393 | a = get_attrib(); |
394 | flags = flags_from_portable(pflags); | |
f546c780 | 395 | mode = (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ? a->perm : 0666; |
9906a836 | 396 | TRACE("open id %u name %s flags %d mode 0%o", id, name, pflags, mode); |
b5e300c2 | 397 | fd = open(name, flags, mode); |
398 | if (fd < 0) { | |
399 | status = errno_to_portable(errno); | |
400 | } else { | |
3e2f2431 | 401 | handle = handle_new(HANDLE_FILE, name, fd, NULL); |
b5e300c2 | 402 | if (handle < 0) { |
403 | close(fd); | |
404 | } else { | |
405 | send_handle(id, handle); | |
f546c780 | 406 | status = SSH2_FX_OK; |
b5e300c2 | 407 | } |
408 | } | |
f546c780 | 409 | if (status != SSH2_FX_OK) |
b5e300c2 | 410 | send_status(id, status); |
411 | xfree(name); | |
412 | } | |
413 | ||
396c147e | 414 | static void |
b5e300c2 | 415 | process_close(void) |
416 | { | |
417 | u_int32_t id; | |
f546c780 | 418 | int handle, ret, status = SSH2_FX_FAILURE; |
b5e300c2 | 419 | |
420 | id = get_int(); | |
421 | handle = get_handle(); | |
9906a836 | 422 | TRACE("close id %u handle %d", id, handle); |
b5e300c2 | 423 | ret = handle_close(handle); |
f546c780 | 424 | status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; |
b5e300c2 | 425 | send_status(id, status); |
426 | } | |
427 | ||
396c147e | 428 | static void |
b5e300c2 | 429 | process_read(void) |
430 | { | |
431 | char buf[64*1024]; | |
f546c780 | 432 | u_int32_t id, len; |
433 | int handle, fd, ret, status = SSH2_FX_FAILURE; | |
b5e300c2 | 434 | u_int64_t off; |
435 | ||
436 | id = get_int(); | |
437 | handle = get_handle(); | |
f546c780 | 438 | off = get_int64(); |
b5e300c2 | 439 | len = get_int(); |
440 | ||
9906a836 | 441 | TRACE("read id %u handle %d off %llu len %d", id, handle, |
490cad94 | 442 | (u_int64_t)off, len); |
b5e300c2 | 443 | if (len > sizeof buf) { |
444 | len = sizeof buf; | |
bbe88b6d | 445 | logit("read change len %d", len); |
b5e300c2 | 446 | } |
447 | fd = handle_to_fd(handle); | |
448 | if (fd >= 0) { | |
449 | if (lseek(fd, off, SEEK_SET) < 0) { | |
450 | error("process_read: seek failed"); | |
451 | status = errno_to_portable(errno); | |
452 | } else { | |
453 | ret = read(fd, buf, len); | |
454 | if (ret < 0) { | |
455 | status = errno_to_portable(errno); | |
456 | } else if (ret == 0) { | |
f546c780 | 457 | status = SSH2_FX_EOF; |
b5e300c2 | 458 | } else { |
459 | send_data(id, buf, ret); | |
f546c780 | 460 | status = SSH2_FX_OK; |
b5e300c2 | 461 | } |
462 | } | |
463 | } | |
f546c780 | 464 | if (status != SSH2_FX_OK) |
b5e300c2 | 465 | send_status(id, status); |
466 | } | |
467 | ||
396c147e | 468 | static void |
b5e300c2 | 469 | process_write(void) |
470 | { | |
f546c780 | 471 | u_int32_t id; |
b5e300c2 | 472 | u_int64_t off; |
bcbf86ec | 473 | u_int len; |
f546c780 | 474 | int handle, fd, ret, status = SSH2_FX_FAILURE; |
b5e300c2 | 475 | char *data; |
476 | ||
477 | id = get_int(); | |
478 | handle = get_handle(); | |
f546c780 | 479 | off = get_int64(); |
b5e300c2 | 480 | data = get_string(&len); |
481 | ||
9906a836 | 482 | TRACE("write id %u handle %d off %llu len %d", id, handle, |
490cad94 | 483 | (u_int64_t)off, len); |
b5e300c2 | 484 | fd = handle_to_fd(handle); |
485 | if (fd >= 0) { | |
486 | if (lseek(fd, off, SEEK_SET) < 0) { | |
487 | status = errno_to_portable(errno); | |
488 | error("process_write: seek failed"); | |
489 | } else { | |
490 | /* XXX ATOMICIO ? */ | |
491 | ret = write(fd, data, len); | |
492 | if (ret == -1) { | |
493 | error("process_write: write failed"); | |
494 | status = errno_to_portable(errno); | |
495 | } else if (ret == len) { | |
f546c780 | 496 | status = SSH2_FX_OK; |
b5e300c2 | 497 | } else { |
bbe88b6d | 498 | logit("nothing at all written"); |
b5e300c2 | 499 | } |
500 | } | |
501 | } | |
502 | send_status(id, status); | |
503 | xfree(data); | |
504 | } | |
505 | ||
396c147e | 506 | static void |
b5e300c2 | 507 | process_do_stat(int do_lstat) |
508 | { | |
b5c334cc | 509 | Attrib a; |
b5e300c2 | 510 | struct stat st; |
511 | u_int32_t id; | |
512 | char *name; | |
f546c780 | 513 | int ret, status = SSH2_FX_FAILURE; |
b5e300c2 | 514 | |
515 | id = get_int(); | |
516 | name = get_string(NULL); | |
9906a836 | 517 | TRACE("%sstat id %u name %s", do_lstat ? "l" : "", id, name); |
b5e300c2 | 518 | ret = do_lstat ? lstat(name, &st) : stat(name, &st); |
519 | if (ret < 0) { | |
520 | status = errno_to_portable(errno); | |
521 | } else { | |
b5c334cc | 522 | stat_to_attrib(&st, &a); |
523 | send_attrib(id, &a); | |
f546c780 | 524 | status = SSH2_FX_OK; |
b5e300c2 | 525 | } |
f546c780 | 526 | if (status != SSH2_FX_OK) |
b5e300c2 | 527 | send_status(id, status); |
528 | xfree(name); | |
529 | } | |
530 | ||
396c147e | 531 | static void |
b5e300c2 | 532 | process_stat(void) |
533 | { | |
534 | process_do_stat(0); | |
535 | } | |
536 | ||
396c147e | 537 | static void |
b5e300c2 | 538 | process_lstat(void) |
539 | { | |
540 | process_do_stat(1); | |
541 | } | |
542 | ||
396c147e | 543 | static void |
b5e300c2 | 544 | process_fstat(void) |
545 | { | |
b5c334cc | 546 | Attrib a; |
b5e300c2 | 547 | struct stat st; |
548 | u_int32_t id; | |
f546c780 | 549 | int fd, ret, handle, status = SSH2_FX_FAILURE; |
b5e300c2 | 550 | |
551 | id = get_int(); | |
552 | handle = get_handle(); | |
9906a836 | 553 | TRACE("fstat id %u handle %d", id, handle); |
b5e300c2 | 554 | fd = handle_to_fd(handle); |
555 | if (fd >= 0) { | |
556 | ret = fstat(fd, &st); | |
557 | if (ret < 0) { | |
558 | status = errno_to_portable(errno); | |
559 | } else { | |
b5c334cc | 560 | stat_to_attrib(&st, &a); |
561 | send_attrib(id, &a); | |
f546c780 | 562 | status = SSH2_FX_OK; |
b5e300c2 | 563 | } |
564 | } | |
f546c780 | 565 | if (status != SSH2_FX_OK) |
b5e300c2 | 566 | send_status(id, status); |
567 | } | |
568 | ||
396c147e | 569 | static struct timeval * |
b5e300c2 | 570 | attrib_to_tv(Attrib *a) |
571 | { | |
572 | static struct timeval tv[2]; | |
dce9bac5 | 573 | |
b5e300c2 | 574 | tv[0].tv_sec = a->atime; |
575 | tv[0].tv_usec = 0; | |
576 | tv[1].tv_sec = a->mtime; | |
577 | tv[1].tv_usec = 0; | |
578 | return tv; | |
579 | } | |
580 | ||
396c147e | 581 | static void |
b5e300c2 | 582 | process_setstat(void) |
583 | { | |
584 | Attrib *a; | |
585 | u_int32_t id; | |
586 | char *name; | |
9906a836 | 587 | int status = SSH2_FX_OK, ret; |
b5e300c2 | 588 | |
589 | id = get_int(); | |
590 | name = get_string(NULL); | |
591 | a = get_attrib(); | |
9906a836 | 592 | TRACE("setstat id %u name %s", id, name); |
cb476289 | 593 | if (a->flags & SSH2_FILEXFER_ATTR_SIZE) { |
594 | ret = truncate(name, a->size); | |
595 | if (ret == -1) | |
596 | status = errno_to_portable(errno); | |
597 | } | |
f546c780 | 598 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) { |
b5e300c2 | 599 | ret = chmod(name, a->perm & 0777); |
600 | if (ret == -1) | |
601 | status = errno_to_portable(errno); | |
602 | } | |
f546c780 | 603 | if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) { |
b5e300c2 | 604 | ret = utimes(name, attrib_to_tv(a)); |
605 | if (ret == -1) | |
606 | status = errno_to_portable(errno); | |
607 | } | |
408ba72f | 608 | if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) { |
609 | ret = chown(name, a->uid, a->gid); | |
610 | if (ret == -1) | |
611 | status = errno_to_portable(errno); | |
612 | } | |
b5e300c2 | 613 | send_status(id, status); |
614 | xfree(name); | |
615 | } | |
616 | ||
396c147e | 617 | static void |
b5e300c2 | 618 | process_fsetstat(void) |
619 | { | |
620 | Attrib *a; | |
621 | u_int32_t id; | |
622 | int handle, fd, ret; | |
f546c780 | 623 | int status = SSH2_FX_OK; |
bcbf86ec | 624 | char *name; |
16e538d4 | 625 | |
b5e300c2 | 626 | id = get_int(); |
627 | handle = get_handle(); | |
628 | a = get_attrib(); | |
9906a836 | 629 | TRACE("fsetstat id %u handle %d", id, handle); |
b5e300c2 | 630 | fd = handle_to_fd(handle); |
631 | name = handle_to_name(handle); | |
16e538d4 | 632 | if (fd < 0 || name == NULL) { |
f546c780 | 633 | status = SSH2_FX_FAILURE; |
b5e300c2 | 634 | } else { |
cb476289 | 635 | if (a->flags & SSH2_FILEXFER_ATTR_SIZE) { |
636 | ret = ftruncate(fd, a->size); | |
637 | if (ret == -1) | |
638 | status = errno_to_portable(errno); | |
639 | } | |
f546c780 | 640 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) { |
2fd3c144 | 641 | #ifdef HAVE_FCHMOD |
b5e300c2 | 642 | ret = fchmod(fd, a->perm & 0777); |
2fd3c144 | 643 | #else |
c33f0b36 | 644 | ret = chmod(name, a->perm & 0777); |
2fd3c144 | 645 | #endif |
b5e300c2 | 646 | if (ret == -1) |
647 | status = errno_to_portable(errno); | |
648 | } | |
f546c780 | 649 | if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) { |
b5e300c2 | 650 | #ifdef HAVE_FUTIMES |
651 | ret = futimes(fd, attrib_to_tv(a)); | |
652 | #else | |
653 | ret = utimes(name, attrib_to_tv(a)); | |
654 | #endif | |
655 | if (ret == -1) | |
656 | status = errno_to_portable(errno); | |
657 | } | |
408ba72f | 658 | if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) { |
01f13020 | 659 | #ifdef HAVE_FCHOWN |
408ba72f | 660 | ret = fchown(fd, a->uid, a->gid); |
01f13020 | 661 | #else |
662 | ret = chown(name, a->uid, a->gid); | |
663 | #endif | |
408ba72f | 664 | if (ret == -1) |
665 | status = errno_to_portable(errno); | |
666 | } | |
b5e300c2 | 667 | } |
668 | send_status(id, status); | |
669 | } | |
670 | ||
396c147e | 671 | static void |
b5e300c2 | 672 | process_opendir(void) |
673 | { | |
674 | DIR *dirp = NULL; | |
675 | char *path; | |
f546c780 | 676 | int handle, status = SSH2_FX_FAILURE; |
b5e300c2 | 677 | u_int32_t id; |
678 | ||
679 | id = get_int(); | |
680 | path = get_string(NULL); | |
9906a836 | 681 | TRACE("opendir id %u path %s", id, path); |
2b87da3b | 682 | dirp = opendir(path); |
b5e300c2 | 683 | if (dirp == NULL) { |
684 | status = errno_to_portable(errno); | |
685 | } else { | |
3e2f2431 | 686 | handle = handle_new(HANDLE_DIR, path, 0, dirp); |
b5e300c2 | 687 | if (handle < 0) { |
688 | closedir(dirp); | |
689 | } else { | |
690 | send_handle(id, handle); | |
f546c780 | 691 | status = SSH2_FX_OK; |
b5e300c2 | 692 | } |
2b87da3b | 693 | |
b5e300c2 | 694 | } |
f546c780 | 695 | if (status != SSH2_FX_OK) |
b5e300c2 | 696 | send_status(id, status); |
697 | xfree(path); | |
698 | } | |
699 | ||
396c147e | 700 | static void |
b5e300c2 | 701 | process_readdir(void) |
702 | { | |
703 | DIR *dirp; | |
704 | struct dirent *dp; | |
705 | char *path; | |
706 | int handle; | |
707 | u_int32_t id; | |
708 | ||
709 | id = get_int(); | |
710 | handle = get_handle(); | |
9906a836 | 711 | TRACE("readdir id %u handle %d", id, handle); |
b5e300c2 | 712 | dirp = handle_to_dir(handle); |
713 | path = handle_to_name(handle); | |
714 | if (dirp == NULL || path == NULL) { | |
f546c780 | 715 | send_status(id, SSH2_FX_FAILURE); |
b5e300c2 | 716 | } else { |
b5e300c2 | 717 | struct stat st; |
718 | char pathname[1024]; | |
719 | Stat *stats; | |
720 | int nstats = 10, count = 0, i; | |
9906a836 | 721 | |
b5e300c2 | 722 | stats = xmalloc(nstats * sizeof(Stat)); |
723 | while ((dp = readdir(dirp)) != NULL) { | |
724 | if (count >= nstats) { | |
725 | nstats *= 2; | |
726 | stats = xrealloc(stats, nstats * sizeof(Stat)); | |
727 | } | |
728 | /* XXX OVERFLOW ? */ | |
88690211 | 729 | snprintf(pathname, sizeof pathname, "%s%s%s", path, |
730 | strcmp(path, "/") ? "/" : "", dp->d_name); | |
b5e300c2 | 731 | if (lstat(pathname, &st) < 0) |
732 | continue; | |
b5c334cc | 733 | stat_to_attrib(&st, &(stats[count].attrib)); |
b5e300c2 | 734 | stats[count].name = xstrdup(dp->d_name); |
00b3ad3e | 735 | stats[count].long_name = ls_file(dp->d_name, &st, 0); |
b5e300c2 | 736 | count++; |
737 | /* send up to 100 entries in one message */ | |
b5c334cc | 738 | /* XXX check packet size instead */ |
b5e300c2 | 739 | if (count == 100) |
740 | break; | |
741 | } | |
f546c780 | 742 | if (count > 0) { |
743 | send_names(id, count, stats); | |
184eed6a | 744 | for (i = 0; i < count; i++) { |
f546c780 | 745 | xfree(stats[i].name); |
746 | xfree(stats[i].long_name); | |
747 | } | |
748 | } else { | |
749 | send_status(id, SSH2_FX_EOF); | |
b5e300c2 | 750 | } |
751 | xfree(stats); | |
752 | } | |
753 | } | |
754 | ||
396c147e | 755 | static void |
b5e300c2 | 756 | process_remove(void) |
757 | { | |
758 | char *name; | |
759 | u_int32_t id; | |
f546c780 | 760 | int status = SSH2_FX_FAILURE; |
b5e300c2 | 761 | int ret; |
762 | ||
763 | id = get_int(); | |
764 | name = get_string(NULL); | |
9906a836 | 765 | TRACE("remove id %u name %s", id, name); |
67b0facb | 766 | ret = unlink(name); |
f546c780 | 767 | status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; |
b5e300c2 | 768 | send_status(id, status); |
769 | xfree(name); | |
770 | } | |
771 | ||
396c147e | 772 | static void |
b5e300c2 | 773 | process_mkdir(void) |
774 | { | |
775 | Attrib *a; | |
776 | u_int32_t id; | |
777 | char *name; | |
f546c780 | 778 | int ret, mode, status = SSH2_FX_FAILURE; |
b5e300c2 | 779 | |
780 | id = get_int(); | |
781 | name = get_string(NULL); | |
782 | a = get_attrib(); | |
f546c780 | 783 | mode = (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ? |
784 | a->perm & 0777 : 0777; | |
9906a836 | 785 | TRACE("mkdir id %u name %s mode 0%o", id, name, mode); |
b5e300c2 | 786 | ret = mkdir(name, mode); |
f546c780 | 787 | status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; |
b5e300c2 | 788 | send_status(id, status); |
789 | xfree(name); | |
790 | } | |
791 | ||
396c147e | 792 | static void |
b5e300c2 | 793 | process_rmdir(void) |
794 | { | |
795 | u_int32_t id; | |
796 | char *name; | |
797 | int ret, status; | |
798 | ||
799 | id = get_int(); | |
800 | name = get_string(NULL); | |
9906a836 | 801 | TRACE("rmdir id %u name %s", id, name); |
b5e300c2 | 802 | ret = rmdir(name); |
f546c780 | 803 | status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; |
b5e300c2 | 804 | send_status(id, status); |
805 | xfree(name); | |
806 | } | |
807 | ||
396c147e | 808 | static void |
b5e300c2 | 809 | process_realpath(void) |
810 | { | |
811 | char resolvedname[MAXPATHLEN]; | |
812 | u_int32_t id; | |
813 | char *path; | |
814 | ||
815 | id = get_int(); | |
816 | path = get_string(NULL); | |
6b523bae | 817 | if (path[0] == '\0') { |
818 | xfree(path); | |
819 | path = xstrdup("."); | |
820 | } | |
9906a836 | 821 | TRACE("realpath id %u path %s", id, path); |
b5e300c2 | 822 | if (realpath(path, resolvedname) == NULL) { |
823 | send_status(id, errno_to_portable(errno)); | |
824 | } else { | |
825 | Stat s; | |
826 | attrib_clear(&s.attrib); | |
827 | s.name = s.long_name = resolvedname; | |
828 | send_names(id, 1, &s); | |
829 | } | |
830 | xfree(path); | |
831 | } | |
832 | ||
396c147e | 833 | static void |
b5e300c2 | 834 | process_rename(void) |
835 | { | |
836 | u_int32_t id; | |
837 | char *oldpath, *newpath; | |
f2f28f1f | 838 | int status; |
fd77a40f | 839 | struct stat sb; |
b5e300c2 | 840 | |
841 | id = get_int(); | |
842 | oldpath = get_string(NULL); | |
843 | newpath = get_string(NULL); | |
9906a836 | 844 | TRACE("rename id %u old %s new %s", id, oldpath, newpath); |
fd77a40f | 845 | status = SSH2_FX_FAILURE; |
846 | if (lstat(oldpath, &sb) == -1) | |
f2f28f1f | 847 | status = errno_to_portable(errno); |
fd77a40f | 848 | else if (S_ISREG(sb.st_mode)) { |
849 | /* Race-free rename of regular files */ | |
850 | if (link(oldpath, newpath) == -1) | |
851 | status = errno_to_portable(errno); | |
852 | else if (unlink(oldpath) == -1) { | |
853 | status = errno_to_portable(errno); | |
854 | /* clean spare link */ | |
855 | unlink(newpath); | |
856 | } else | |
857 | status = SSH2_FX_OK; | |
858 | } else if (stat(newpath, &sb) == -1) { | |
859 | if (rename(oldpath, newpath) == -1) | |
860 | status = errno_to_portable(errno); | |
861 | else | |
862 | status = SSH2_FX_OK; | |
863 | } | |
b5e300c2 | 864 | send_status(id, status); |
865 | xfree(oldpath); | |
866 | xfree(newpath); | |
867 | } | |
868 | ||
396c147e | 869 | static void |
3a7fe5ba | 870 | process_readlink(void) |
871 | { | |
872 | u_int32_t id; | |
362df52e | 873 | int len; |
3a7fe5ba | 874 | char link[MAXPATHLEN]; |
875 | char *path; | |
876 | ||
877 | id = get_int(); | |
878 | path = get_string(NULL); | |
9906a836 | 879 | TRACE("readlink id %u path %s", id, path); |
362df52e | 880 | if ((len = readlink(path, link, sizeof(link) - 1)) == -1) |
3a7fe5ba | 881 | send_status(id, errno_to_portable(errno)); |
882 | else { | |
883 | Stat s; | |
184eed6a | 884 | |
362df52e | 885 | link[len] = '\0'; |
3a7fe5ba | 886 | attrib_clear(&s.attrib); |
887 | s.name = s.long_name = link; | |
888 | send_names(id, 1, &s); | |
889 | } | |
890 | xfree(path); | |
891 | } | |
892 | ||
396c147e | 893 | static void |
3a7fe5ba | 894 | process_symlink(void) |
895 | { | |
896 | u_int32_t id; | |
3a7fe5ba | 897 | char *oldpath, *newpath; |
f2f28f1f | 898 | int ret, status; |
3a7fe5ba | 899 | |
900 | id = get_int(); | |
901 | oldpath = get_string(NULL); | |
902 | newpath = get_string(NULL); | |
9906a836 | 903 | TRACE("symlink id %u old %s new %s", id, oldpath, newpath); |
f2f28f1f | 904 | /* this will fail if 'newpath' exists */ |
905 | ret = symlink(oldpath, newpath); | |
906 | status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; | |
3a7fe5ba | 907 | send_status(id, status); |
908 | xfree(oldpath); | |
909 | xfree(newpath); | |
910 | } | |
911 | ||
396c147e | 912 | static void |
f546c780 | 913 | process_extended(void) |
914 | { | |
915 | u_int32_t id; | |
916 | char *request; | |
917 | ||
918 | id = get_int(); | |
919 | request = get_string(NULL); | |
920 | send_status(id, SSH2_FX_OP_UNSUPPORTED); /* MUST */ | |
921 | xfree(request); | |
922 | } | |
b5e300c2 | 923 | |
924 | /* stolen from ssh-agent */ | |
925 | ||
396c147e | 926 | static void |
b5e300c2 | 927 | process(void) |
928 | { | |
1e3b8b07 | 929 | u_int msg_len; |
9b4ac641 | 930 | u_int buf_len; |
931 | u_int consumed; | |
1e3b8b07 | 932 | u_int type; |
933 | u_char *cp; | |
b5e300c2 | 934 | |
9b4ac641 | 935 | buf_len = buffer_len(&iqueue); |
936 | if (buf_len < 5) | |
b5e300c2 | 937 | return; /* Incomplete message. */ |
20905a8e | 938 | cp = buffer_ptr(&iqueue); |
b5e300c2 | 939 | msg_len = GET_32BIT(cp); |
940 | if (msg_len > 256 * 1024) { | |
941 | error("bad message "); | |
942 | exit(11); | |
943 | } | |
9b4ac641 | 944 | if (buf_len < msg_len + 4) |
b5e300c2 | 945 | return; |
946 | buffer_consume(&iqueue, 4); | |
9b4ac641 | 947 | buf_len -= 4; |
b5e300c2 | 948 | type = buffer_get_char(&iqueue); |
949 | switch (type) { | |
f546c780 | 950 | case SSH2_FXP_INIT: |
b5e300c2 | 951 | process_init(); |
952 | break; | |
f546c780 | 953 | case SSH2_FXP_OPEN: |
b5e300c2 | 954 | process_open(); |
955 | break; | |
f546c780 | 956 | case SSH2_FXP_CLOSE: |
b5e300c2 | 957 | process_close(); |
958 | break; | |
f546c780 | 959 | case SSH2_FXP_READ: |
b5e300c2 | 960 | process_read(); |
961 | break; | |
f546c780 | 962 | case SSH2_FXP_WRITE: |
b5e300c2 | 963 | process_write(); |
964 | break; | |
f546c780 | 965 | case SSH2_FXP_LSTAT: |
b5e300c2 | 966 | process_lstat(); |
967 | break; | |
f546c780 | 968 | case SSH2_FXP_FSTAT: |
b5e300c2 | 969 | process_fstat(); |
970 | break; | |
f546c780 | 971 | case SSH2_FXP_SETSTAT: |
b5e300c2 | 972 | process_setstat(); |
973 | break; | |
f546c780 | 974 | case SSH2_FXP_FSETSTAT: |
b5e300c2 | 975 | process_fsetstat(); |
976 | break; | |
f546c780 | 977 | case SSH2_FXP_OPENDIR: |
b5e300c2 | 978 | process_opendir(); |
979 | break; | |
f546c780 | 980 | case SSH2_FXP_READDIR: |
b5e300c2 | 981 | process_readdir(); |
982 | break; | |
f546c780 | 983 | case SSH2_FXP_REMOVE: |
b5e300c2 | 984 | process_remove(); |
985 | break; | |
f546c780 | 986 | case SSH2_FXP_MKDIR: |
b5e300c2 | 987 | process_mkdir(); |
988 | break; | |
f546c780 | 989 | case SSH2_FXP_RMDIR: |
b5e300c2 | 990 | process_rmdir(); |
991 | break; | |
f546c780 | 992 | case SSH2_FXP_REALPATH: |
b5e300c2 | 993 | process_realpath(); |
994 | break; | |
f546c780 | 995 | case SSH2_FXP_STAT: |
b5e300c2 | 996 | process_stat(); |
997 | break; | |
f546c780 | 998 | case SSH2_FXP_RENAME: |
b5e300c2 | 999 | process_rename(); |
1000 | break; | |
3a7fe5ba | 1001 | case SSH2_FXP_READLINK: |
1002 | process_readlink(); | |
1003 | break; | |
1004 | case SSH2_FXP_SYMLINK: | |
1005 | process_symlink(); | |
1006 | break; | |
f546c780 | 1007 | case SSH2_FXP_EXTENDED: |
1008 | process_extended(); | |
1009 | break; | |
b5e300c2 | 1010 | default: |
1011 | error("Unknown message %d", type); | |
1012 | break; | |
1013 | } | |
9b4ac641 | 1014 | /* discard the remaining bytes from the current packet */ |
1015 | if (buf_len < buffer_len(&iqueue)) | |
1016 | fatal("iqueue grows"); | |
1017 | consumed = buf_len - buffer_len(&iqueue); | |
1018 | if (msg_len < consumed) | |
1019 | fatal("msg_len %d < consumed %d", msg_len, consumed); | |
1020 | if (msg_len > consumed) | |
1021 | buffer_consume(&iqueue, msg_len - consumed); | |
b5e300c2 | 1022 | } |
1023 | ||
1024 | int | |
1025 | main(int ac, char **av) | |
1026 | { | |
c8d75031 | 1027 | fd_set *rset, *wset; |
b5e300c2 | 1028 | int in, out, max; |
c8d75031 | 1029 | ssize_t len, olen, set_size; |
b5e300c2 | 1030 | |
61b3a2bc | 1031 | /* XXX should use getopt */ |
1032 | ||
260d427b | 1033 | __progname = get_progname(av[0]); |
b5e300c2 | 1034 | handle_init(); |
1035 | ||
b5c334cc | 1036 | #ifdef DEBUG_SFTP_SERVER |
2b87da3b | 1037 | log_init("sftp-server", SYSLOG_LEVEL_DEBUG1, SYSLOG_FACILITY_AUTH, 0); |
b5c334cc | 1038 | #endif |
f546c780 | 1039 | |
b5e300c2 | 1040 | in = dup(STDIN_FILENO); |
1041 | out = dup(STDOUT_FILENO); | |
1042 | ||
fe56c12b | 1043 | #ifdef HAVE_CYGWIN |
1044 | setmode(in, O_BINARY); | |
1045 | setmode(out, O_BINARY); | |
1046 | #endif | |
1047 | ||
b5e300c2 | 1048 | max = 0; |
1049 | if (in > max) | |
1050 | max = in; | |
1051 | if (out > max) | |
1052 | max = out; | |
1053 | ||
1054 | buffer_init(&iqueue); | |
1055 | buffer_init(&oqueue); | |
1056 | ||
c8d75031 | 1057 | set_size = howmany(max + 1, NFDBITS) * sizeof(fd_mask); |
1058 | rset = (fd_set *)xmalloc(set_size); | |
1059 | wset = (fd_set *)xmalloc(set_size); | |
1060 | ||
b5e300c2 | 1061 | for (;;) { |
c8d75031 | 1062 | memset(rset, 0, set_size); |
1063 | memset(wset, 0, set_size); | |
b5e300c2 | 1064 | |
c8d75031 | 1065 | FD_SET(in, rset); |
b5e300c2 | 1066 | olen = buffer_len(&oqueue); |
1067 | if (olen > 0) | |
c8d75031 | 1068 | FD_SET(out, wset); |
b5e300c2 | 1069 | |
c8d75031 | 1070 | if (select(max+1, rset, wset, NULL, NULL) < 0) { |
b5e300c2 | 1071 | if (errno == EINTR) |
1072 | continue; | |
1073 | exit(2); | |
1074 | } | |
1075 | ||
1076 | /* copy stdin to iqueue */ | |
c8d75031 | 1077 | if (FD_ISSET(in, rset)) { |
b5e300c2 | 1078 | char buf[4*4096]; |
1079 | len = read(in, buf, sizeof buf); | |
1080 | if (len == 0) { | |
1081 | debug("read eof"); | |
1082 | exit(0); | |
1083 | } else if (len < 0) { | |
1084 | error("read error"); | |
1085 | exit(1); | |
1086 | } else { | |
1087 | buffer_append(&iqueue, buf, len); | |
1088 | } | |
1089 | } | |
1090 | /* send oqueue to stdout */ | |
c8d75031 | 1091 | if (FD_ISSET(out, wset)) { |
b5e300c2 | 1092 | len = write(out, buffer_ptr(&oqueue), olen); |
1093 | if (len < 0) { | |
1094 | error("write error"); | |
1095 | exit(1); | |
1096 | } else { | |
1097 | buffer_consume(&oqueue, len); | |
1098 | } | |
1099 | } | |
1100 | /* process requests from client */ | |
1101 | process(); | |
1102 | } | |
1103 | } |