Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2001 Damien Miller. All rights reserved. |
| 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 */ |
| 27 | /* XXX: redesign to allow concurrent overlapped operations */ |
| 28 | /* XXX: we use fatal too much, error may be more appropriate in places */ |
| 29 | /* XXX: copy between two remote sites */ |
| 30 | |
| 31 | #include "includes.h" |
Ben Lindstrom | ad77313 | 2001-07-18 15:45:44 +0000 | [diff] [blame^] | 32 | RCSID("$OpenBSD: sftp-client.c,v 1.18 2001/07/14 15:10:16 stevesk Exp $"); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 33 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 34 | #include "buffer.h" |
| 35 | #include "bufaux.h" |
| 36 | #include "getput.h" |
| 37 | #include "xmalloc.h" |
| 38 | #include "log.h" |
| 39 | #include "atomicio.h" |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 40 | |
| 41 | #include "sftp.h" |
| 42 | #include "sftp-common.h" |
| 43 | #include "sftp-client.h" |
| 44 | |
| 45 | /* How much data to read/write at at time during copies */ |
| 46 | /* XXX: what should this be? */ |
| 47 | #define COPY_SIZE 8192 |
| 48 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 49 | /* Message ID */ |
| 50 | static u_int msg_id = 1; |
| 51 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 52 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 53 | send_msg(int fd, Buffer *m) |
| 54 | { |
| 55 | int mlen = buffer_len(m); |
| 56 | int len; |
| 57 | Buffer oqueue; |
| 58 | |
| 59 | buffer_init(&oqueue); |
| 60 | buffer_put_int(&oqueue, mlen); |
| 61 | buffer_append(&oqueue, buffer_ptr(m), mlen); |
| 62 | buffer_consume(m, mlen); |
| 63 | |
| 64 | len = atomicio(write, fd, buffer_ptr(&oqueue), buffer_len(&oqueue)); |
| 65 | if (len <= 0) |
| 66 | fatal("Couldn't send packet: %s", strerror(errno)); |
| 67 | |
| 68 | buffer_free(&oqueue); |
| 69 | } |
| 70 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 71 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 72 | get_msg(int fd, Buffer *m) |
| 73 | { |
| 74 | u_int len, msg_len; |
| 75 | unsigned char buf[4096]; |
| 76 | |
| 77 | len = atomicio(read, fd, buf, 4); |
Damien Miller | cafff19 | 2001-03-19 22:29:46 +1100 | [diff] [blame] | 78 | if (len == 0) |
| 79 | fatal("Connection closed"); |
| 80 | else if (len == -1) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 81 | fatal("Couldn't read packet: %s", strerror(errno)); |
| 82 | |
| 83 | msg_len = GET_32BIT(buf); |
| 84 | if (msg_len > 256 * 1024) |
| 85 | fatal("Received message too long %d", msg_len); |
| 86 | |
| 87 | while (msg_len) { |
| 88 | len = atomicio(read, fd, buf, MIN(msg_len, sizeof(buf))); |
Damien Miller | cafff19 | 2001-03-19 22:29:46 +1100 | [diff] [blame] | 89 | if (len == 0) |
| 90 | fatal("Connection closed"); |
| 91 | else if (len == -1) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 92 | fatal("Couldn't read packet: %s", strerror(errno)); |
| 93 | |
| 94 | msg_len -= len; |
| 95 | buffer_append(m, buf, len); |
| 96 | } |
| 97 | } |
| 98 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 99 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 100 | send_string_request(int fd, u_int id, u_int code, char *s, |
| 101 | u_int len) |
| 102 | { |
| 103 | Buffer msg; |
| 104 | |
| 105 | buffer_init(&msg); |
| 106 | buffer_put_char(&msg, code); |
| 107 | buffer_put_int(&msg, id); |
| 108 | buffer_put_string(&msg, s, len); |
| 109 | send_msg(fd, &msg); |
| 110 | debug3("Sent message fd %d T:%d I:%d", fd, code, id); |
| 111 | buffer_free(&msg); |
| 112 | } |
| 113 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 114 | static void |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 115 | send_string_attrs_request(int fd, u_int id, u_int code, char *s, |
| 116 | u_int len, Attrib *a) |
| 117 | { |
| 118 | Buffer msg; |
| 119 | |
| 120 | buffer_init(&msg); |
| 121 | buffer_put_char(&msg, code); |
| 122 | buffer_put_int(&msg, id); |
| 123 | buffer_put_string(&msg, s, len); |
| 124 | encode_attrib(&msg, a); |
| 125 | send_msg(fd, &msg); |
| 126 | debug3("Sent message fd %d T:%d I:%d", fd, code, id); |
| 127 | buffer_free(&msg); |
| 128 | } |
| 129 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 130 | static u_int |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 131 | get_status(int fd, int expected_id) |
| 132 | { |
| 133 | Buffer msg; |
| 134 | u_int type, id, status; |
| 135 | |
| 136 | buffer_init(&msg); |
| 137 | get_msg(fd, &msg); |
| 138 | type = buffer_get_char(&msg); |
| 139 | id = buffer_get_int(&msg); |
| 140 | |
| 141 | if (id != expected_id) |
| 142 | fatal("ID mismatch (%d != %d)", id, expected_id); |
| 143 | if (type != SSH2_FXP_STATUS) |
| 144 | fatal("Expected SSH2_FXP_STATUS(%d) packet, got %d", |
| 145 | SSH2_FXP_STATUS, type); |
| 146 | |
| 147 | status = buffer_get_int(&msg); |
| 148 | buffer_free(&msg); |
| 149 | |
| 150 | debug3("SSH2_FXP_STATUS %d", status); |
| 151 | |
| 152 | return(status); |
| 153 | } |
| 154 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 155 | static char * |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 156 | get_handle(int fd, u_int expected_id, u_int *len) |
| 157 | { |
| 158 | Buffer msg; |
| 159 | u_int type, id; |
| 160 | char *handle; |
| 161 | |
| 162 | buffer_init(&msg); |
| 163 | get_msg(fd, &msg); |
| 164 | type = buffer_get_char(&msg); |
| 165 | id = buffer_get_int(&msg); |
| 166 | |
| 167 | if (id != expected_id) |
| 168 | fatal("ID mismatch (%d != %d)", id, expected_id); |
| 169 | if (type == SSH2_FXP_STATUS) { |
| 170 | int status = buffer_get_int(&msg); |
| 171 | |
| 172 | error("Couldn't get handle: %s", fx2txt(status)); |
| 173 | return(NULL); |
| 174 | } else if (type != SSH2_FXP_HANDLE) |
| 175 | fatal("Expected SSH2_FXP_HANDLE(%d) packet, got %d", |
| 176 | SSH2_FXP_HANDLE, type); |
| 177 | |
| 178 | handle = buffer_get_string(&msg, len); |
| 179 | buffer_free(&msg); |
| 180 | |
| 181 | return(handle); |
| 182 | } |
| 183 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 184 | static Attrib * |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 185 | get_decode_stat(int fd, u_int expected_id, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 186 | { |
| 187 | Buffer msg; |
| 188 | u_int type, id; |
| 189 | Attrib *a; |
| 190 | |
| 191 | buffer_init(&msg); |
| 192 | get_msg(fd, &msg); |
| 193 | |
| 194 | type = buffer_get_char(&msg); |
| 195 | id = buffer_get_int(&msg); |
| 196 | |
| 197 | debug3("Received stat reply T:%d I:%d", type, id); |
| 198 | if (id != expected_id) |
| 199 | fatal("ID mismatch (%d != %d)", id, expected_id); |
| 200 | if (type == SSH2_FXP_STATUS) { |
| 201 | int status = buffer_get_int(&msg); |
| 202 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 203 | if (quiet) |
| 204 | debug("Couldn't stat remote file: %s", fx2txt(status)); |
| 205 | else |
| 206 | error("Couldn't stat remote file: %s", fx2txt(status)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 207 | return(NULL); |
| 208 | } else if (type != SSH2_FXP_ATTRS) { |
| 209 | fatal("Expected SSH2_FXP_ATTRS(%d) packet, got %d", |
| 210 | SSH2_FXP_ATTRS, type); |
| 211 | } |
| 212 | a = decode_attrib(&msg); |
| 213 | buffer_free(&msg); |
| 214 | |
| 215 | return(a); |
| 216 | } |
| 217 | |
| 218 | int |
| 219 | do_init(int fd_in, int fd_out) |
| 220 | { |
| 221 | int type, version; |
| 222 | Buffer msg; |
| 223 | |
| 224 | buffer_init(&msg); |
| 225 | buffer_put_char(&msg, SSH2_FXP_INIT); |
| 226 | buffer_put_int(&msg, SSH2_FILEXFER_VERSION); |
| 227 | send_msg(fd_out, &msg); |
| 228 | |
| 229 | buffer_clear(&msg); |
| 230 | |
| 231 | get_msg(fd_in, &msg); |
| 232 | |
Kevin Steves | ef4eea9 | 2001-02-05 12:42:17 +0000 | [diff] [blame] | 233 | /* Expecting a VERSION reply */ |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 234 | if ((type = buffer_get_char(&msg)) != SSH2_FXP_VERSION) { |
| 235 | error("Invalid packet back from SSH2_FXP_INIT (type %d)", |
| 236 | type); |
| 237 | buffer_free(&msg); |
| 238 | return(-1); |
| 239 | } |
| 240 | version = buffer_get_int(&msg); |
| 241 | |
| 242 | debug2("Remote version: %d", version); |
| 243 | |
| 244 | /* Check for extensions */ |
| 245 | while (buffer_len(&msg) > 0) { |
| 246 | char *name = buffer_get_string(&msg, NULL); |
| 247 | char *value = buffer_get_string(&msg, NULL); |
| 248 | |
| 249 | debug2("Init extension: \"%s\"", name); |
| 250 | xfree(name); |
| 251 | xfree(value); |
| 252 | } |
| 253 | |
| 254 | buffer_free(&msg); |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 255 | |
| 256 | return(version); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | int |
| 260 | do_close(int fd_in, int fd_out, char *handle, u_int handle_len) |
| 261 | { |
| 262 | u_int id, status; |
| 263 | Buffer msg; |
| 264 | |
| 265 | buffer_init(&msg); |
| 266 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 267 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 268 | buffer_put_char(&msg, SSH2_FXP_CLOSE); |
| 269 | buffer_put_int(&msg, id); |
| 270 | buffer_put_string(&msg, handle, handle_len); |
| 271 | send_msg(fd_out, &msg); |
| 272 | debug3("Sent message SSH2_FXP_CLOSE I:%d", id); |
| 273 | |
| 274 | status = get_status(fd_in, id); |
| 275 | if (status != SSH2_FX_OK) |
| 276 | error("Couldn't close file: %s", fx2txt(status)); |
| 277 | |
| 278 | buffer_free(&msg); |
| 279 | |
| 280 | return(status); |
| 281 | } |
| 282 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 283 | |
Ben Lindstrom | bba8121 | 2001-06-25 05:01:22 +0000 | [diff] [blame] | 284 | static int |
Ben Lindstrom | a370005 | 2001-04-05 23:26:32 +0000 | [diff] [blame] | 285 | do_lsreaddir(int fd_in, int fd_out, char *path, int printflag, |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 286 | SFTP_DIRENT ***dir) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 287 | { |
| 288 | Buffer msg; |
Ben Lindstrom | 025df4a | 2001-03-14 15:16:34 +0000 | [diff] [blame] | 289 | u_int type, id, handle_len, i, expected_id, ents = 0; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 290 | char *handle; |
| 291 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 292 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 293 | |
| 294 | buffer_init(&msg); |
| 295 | buffer_put_char(&msg, SSH2_FXP_OPENDIR); |
| 296 | buffer_put_int(&msg, id); |
| 297 | buffer_put_cstring(&msg, path); |
| 298 | send_msg(fd_out, &msg); |
| 299 | |
| 300 | buffer_clear(&msg); |
| 301 | |
| 302 | handle = get_handle(fd_in, id, &handle_len); |
| 303 | if (handle == NULL) |
| 304 | return(-1); |
| 305 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 306 | if (dir) { |
| 307 | ents = 0; |
| 308 | *dir = xmalloc(sizeof(**dir)); |
| 309 | (*dir)[0] = NULL; |
| 310 | } |
| 311 | |
| 312 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 313 | for(;;) { |
| 314 | int count; |
| 315 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 316 | id = expected_id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 317 | |
| 318 | debug3("Sending SSH2_FXP_READDIR I:%d", id); |
| 319 | |
| 320 | buffer_clear(&msg); |
| 321 | buffer_put_char(&msg, SSH2_FXP_READDIR); |
| 322 | buffer_put_int(&msg, id); |
| 323 | buffer_put_string(&msg, handle, handle_len); |
| 324 | send_msg(fd_out, &msg); |
| 325 | |
| 326 | buffer_clear(&msg); |
| 327 | |
| 328 | get_msg(fd_in, &msg); |
| 329 | |
| 330 | type = buffer_get_char(&msg); |
| 331 | id = buffer_get_int(&msg); |
| 332 | |
| 333 | debug3("Received reply T:%d I:%d", type, id); |
| 334 | |
| 335 | if (id != expected_id) |
| 336 | fatal("ID mismatch (%d != %d)", id, expected_id); |
| 337 | |
| 338 | if (type == SSH2_FXP_STATUS) { |
| 339 | int status = buffer_get_int(&msg); |
| 340 | |
| 341 | debug3("Received SSH2_FXP_STATUS %d", status); |
| 342 | |
| 343 | if (status == SSH2_FX_EOF) { |
| 344 | break; |
| 345 | } else { |
| 346 | error("Couldn't read directory: %s", |
| 347 | fx2txt(status)); |
| 348 | do_close(fd_in, fd_out, handle, handle_len); |
Ben Lindstrom | 10ac33f | 2001-02-10 21:53:40 +0000 | [diff] [blame] | 349 | return(status); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 350 | } |
| 351 | } else if (type != SSH2_FXP_NAME) |
| 352 | fatal("Expected SSH2_FXP_NAME(%d) packet, got %d", |
| 353 | SSH2_FXP_NAME, type); |
| 354 | |
| 355 | count = buffer_get_int(&msg); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 356 | if (count == 0) |
| 357 | break; |
| 358 | debug3("Received %d SSH2_FXP_NAME responses", count); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 359 | for(i = 0; i < count; i++) { |
| 360 | char *filename, *longname; |
| 361 | Attrib *a; |
| 362 | |
| 363 | filename = buffer_get_string(&msg, NULL); |
| 364 | longname = buffer_get_string(&msg, NULL); |
| 365 | a = decode_attrib(&msg); |
| 366 | |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 367 | if (printflag) |
| 368 | printf("%s\n", longname); |
| 369 | |
| 370 | if (dir) { |
Ben Lindstrom | a370005 | 2001-04-05 23:26:32 +0000 | [diff] [blame] | 371 | *dir = xrealloc(*dir, sizeof(**dir) * |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 372 | (ents + 2)); |
| 373 | (*dir)[ents] = xmalloc(sizeof(***dir)); |
| 374 | (*dir)[ents]->filename = xstrdup(filename); |
| 375 | (*dir)[ents]->longname = xstrdup(longname); |
| 376 | memcpy(&(*dir)[ents]->a, a, sizeof(*a)); |
| 377 | (*dir)[++ents] = NULL; |
| 378 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 379 | |
| 380 | xfree(filename); |
| 381 | xfree(longname); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | buffer_free(&msg); |
| 386 | do_close(fd_in, fd_out, handle, handle_len); |
| 387 | xfree(handle); |
| 388 | |
| 389 | return(0); |
| 390 | } |
| 391 | |
| 392 | int |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 393 | do_ls(int fd_in, int fd_out, char *path) |
| 394 | { |
| 395 | return(do_lsreaddir(fd_in, fd_out, path, 1, NULL)); |
| 396 | } |
| 397 | |
| 398 | int |
| 399 | do_readdir(int fd_in, int fd_out, char *path, SFTP_DIRENT ***dir) |
| 400 | { |
| 401 | return(do_lsreaddir(fd_in, fd_out, path, 0, dir)); |
| 402 | } |
| 403 | |
| 404 | void free_sftp_dirents(SFTP_DIRENT **s) |
| 405 | { |
| 406 | int i; |
| 407 | |
| 408 | for(i = 0; s[i]; i++) { |
| 409 | xfree(s[i]->filename); |
| 410 | xfree(s[i]->longname); |
| 411 | xfree(s[i]); |
| 412 | } |
| 413 | xfree(s); |
| 414 | } |
| 415 | |
| 416 | int |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 417 | do_rm(int fd_in, int fd_out, char *path) |
| 418 | { |
| 419 | u_int status, id; |
| 420 | |
| 421 | debug2("Sending SSH2_FXP_REMOVE \"%s\"", path); |
| 422 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 423 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 424 | send_string_request(fd_out, id, SSH2_FXP_REMOVE, path, strlen(path)); |
| 425 | status = get_status(fd_in, id); |
| 426 | if (status != SSH2_FX_OK) |
| 427 | error("Couldn't delete file: %s", fx2txt(status)); |
| 428 | return(status); |
| 429 | } |
| 430 | |
| 431 | int |
| 432 | do_mkdir(int fd_in, int fd_out, char *path, Attrib *a) |
| 433 | { |
| 434 | u_int status, id; |
| 435 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 436 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 437 | send_string_attrs_request(fd_out, id, SSH2_FXP_MKDIR, path, |
| 438 | strlen(path), a); |
| 439 | |
| 440 | status = get_status(fd_in, id); |
| 441 | if (status != SSH2_FX_OK) |
| 442 | error("Couldn't create directory: %s", fx2txt(status)); |
| 443 | |
| 444 | return(status); |
| 445 | } |
| 446 | |
| 447 | int |
| 448 | do_rmdir(int fd_in, int fd_out, char *path) |
| 449 | { |
| 450 | u_int status, id; |
| 451 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 452 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 453 | send_string_request(fd_out, id, SSH2_FXP_RMDIR, path, strlen(path)); |
| 454 | |
| 455 | status = get_status(fd_in, id); |
| 456 | if (status != SSH2_FX_OK) |
| 457 | error("Couldn't remove directory: %s", fx2txt(status)); |
| 458 | |
| 459 | return(status); |
| 460 | } |
| 461 | |
| 462 | Attrib * |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 463 | do_stat(int fd_in, int fd_out, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 464 | { |
| 465 | u_int id; |
| 466 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 467 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 468 | send_string_request(fd_out, id, SSH2_FXP_STAT, path, strlen(path)); |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 469 | return(get_decode_stat(fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | Attrib * |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 473 | do_lstat(int fd_in, int fd_out, char *path, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 474 | { |
| 475 | u_int id; |
| 476 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 477 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 478 | send_string_request(fd_out, id, SSH2_FXP_LSTAT, path, strlen(path)); |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 479 | return(get_decode_stat(fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | Attrib * |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 483 | do_fstat(int fd_in, int fd_out, char *handle, u_int handle_len, int quiet) |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 484 | { |
| 485 | u_int id; |
| 486 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 487 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 488 | send_string_request(fd_out, id, SSH2_FXP_FSTAT, handle, handle_len); |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 489 | return(get_decode_stat(fd_in, id, quiet)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 490 | } |
| 491 | |
| 492 | int |
| 493 | do_setstat(int fd_in, int fd_out, char *path, Attrib *a) |
| 494 | { |
| 495 | u_int status, id; |
| 496 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 497 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 498 | send_string_attrs_request(fd_out, id, SSH2_FXP_SETSTAT, path, |
| 499 | strlen(path), a); |
| 500 | |
| 501 | status = get_status(fd_in, id); |
| 502 | if (status != SSH2_FX_OK) |
| 503 | error("Couldn't setstat on \"%s\": %s", path, |
| 504 | fx2txt(status)); |
| 505 | |
| 506 | return(status); |
| 507 | } |
| 508 | |
| 509 | int |
| 510 | do_fsetstat(int fd_in, int fd_out, char *handle, u_int handle_len, |
| 511 | Attrib *a) |
| 512 | { |
| 513 | u_int status, id; |
| 514 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 515 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 516 | send_string_attrs_request(fd_out, id, SSH2_FXP_FSETSTAT, handle, |
| 517 | handle_len, a); |
| 518 | |
| 519 | status = get_status(fd_in, id); |
| 520 | if (status != SSH2_FX_OK) |
| 521 | error("Couldn't fsetstat: %s", fx2txt(status)); |
| 522 | |
| 523 | return(status); |
| 524 | } |
| 525 | |
| 526 | char * |
| 527 | do_realpath(int fd_in, int fd_out, char *path) |
| 528 | { |
| 529 | Buffer msg; |
| 530 | u_int type, expected_id, count, id; |
| 531 | char *filename, *longname; |
| 532 | Attrib *a; |
| 533 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 534 | expected_id = id = msg_id++; |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 535 | send_string_request(fd_out, id, SSH2_FXP_REALPATH, path, strlen(path)); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 536 | |
| 537 | buffer_init(&msg); |
| 538 | |
| 539 | get_msg(fd_in, &msg); |
| 540 | type = buffer_get_char(&msg); |
| 541 | id = buffer_get_int(&msg); |
| 542 | |
| 543 | if (id != expected_id) |
| 544 | fatal("ID mismatch (%d != %d)", id, expected_id); |
| 545 | |
| 546 | if (type == SSH2_FXP_STATUS) { |
| 547 | u_int status = buffer_get_int(&msg); |
| 548 | |
| 549 | error("Couldn't canonicalise: %s", fx2txt(status)); |
| 550 | return(NULL); |
| 551 | } else if (type != SSH2_FXP_NAME) |
| 552 | fatal("Expected SSH2_FXP_NAME(%d) packet, got %d", |
| 553 | SSH2_FXP_NAME, type); |
| 554 | |
| 555 | count = buffer_get_int(&msg); |
| 556 | if (count != 1) |
| 557 | fatal("Got multiple names (%d) from SSH_FXP_REALPATH", count); |
| 558 | |
| 559 | filename = buffer_get_string(&msg, NULL); |
| 560 | longname = buffer_get_string(&msg, NULL); |
| 561 | a = decode_attrib(&msg); |
| 562 | |
| 563 | debug3("SSH_FXP_REALPATH %s -> %s", path, filename); |
| 564 | |
| 565 | xfree(longname); |
| 566 | |
| 567 | buffer_free(&msg); |
| 568 | |
| 569 | return(filename); |
| 570 | } |
| 571 | |
| 572 | int |
| 573 | do_rename(int fd_in, int fd_out, char *oldpath, char *newpath) |
| 574 | { |
| 575 | Buffer msg; |
| 576 | u_int status, id; |
| 577 | |
| 578 | buffer_init(&msg); |
| 579 | |
| 580 | /* Send rename request */ |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 581 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 582 | buffer_put_char(&msg, SSH2_FXP_RENAME); |
| 583 | buffer_put_int(&msg, id); |
| 584 | buffer_put_cstring(&msg, oldpath); |
| 585 | buffer_put_cstring(&msg, newpath); |
| 586 | send_msg(fd_out, &msg); |
| 587 | debug3("Sent message SSH2_FXP_RENAME \"%s\" -> \"%s\"", oldpath, |
| 588 | newpath); |
| 589 | buffer_free(&msg); |
| 590 | |
| 591 | status = get_status(fd_in, id); |
| 592 | if (status != SSH2_FX_OK) |
| 593 | error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, newpath, |
| 594 | fx2txt(status)); |
| 595 | |
| 596 | return(status); |
| 597 | } |
| 598 | |
| 599 | int |
Damien Miller | 058316f | 2001-03-08 10:08:49 +1100 | [diff] [blame] | 600 | do_symlink(int fd_in, int fd_out, char *oldpath, char *newpath) |
| 601 | { |
| 602 | Buffer msg; |
| 603 | u_int status, id; |
| 604 | |
| 605 | buffer_init(&msg); |
| 606 | |
| 607 | /* Send rename request */ |
| 608 | id = msg_id++; |
| 609 | buffer_put_char(&msg, SSH2_FXP_SYMLINK); |
| 610 | buffer_put_int(&msg, id); |
| 611 | buffer_put_cstring(&msg, oldpath); |
| 612 | buffer_put_cstring(&msg, newpath); |
| 613 | send_msg(fd_out, &msg); |
| 614 | debug3("Sent message SSH2_FXP_SYMLINK \"%s\" -> \"%s\"", oldpath, |
| 615 | newpath); |
| 616 | buffer_free(&msg); |
| 617 | |
| 618 | status = get_status(fd_in, id); |
| 619 | if (status != SSH2_FX_OK) |
| 620 | error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, newpath, |
| 621 | fx2txt(status)); |
| 622 | |
| 623 | return(status); |
| 624 | } |
| 625 | |
| 626 | char * |
| 627 | do_readlink(int fd_in, int fd_out, char *path) |
| 628 | { |
| 629 | Buffer msg; |
| 630 | u_int type, expected_id, count, id; |
| 631 | char *filename, *longname; |
| 632 | Attrib *a; |
| 633 | |
| 634 | expected_id = id = msg_id++; |
| 635 | send_string_request(fd_out, id, SSH2_FXP_READLINK, path, strlen(path)); |
| 636 | |
| 637 | buffer_init(&msg); |
| 638 | |
| 639 | get_msg(fd_in, &msg); |
| 640 | type = buffer_get_char(&msg); |
| 641 | id = buffer_get_int(&msg); |
| 642 | |
| 643 | if (id != expected_id) |
| 644 | fatal("ID mismatch (%d != %d)", id, expected_id); |
| 645 | |
| 646 | if (type == SSH2_FXP_STATUS) { |
| 647 | u_int status = buffer_get_int(&msg); |
| 648 | |
| 649 | error("Couldn't readlink: %s", fx2txt(status)); |
| 650 | return(NULL); |
| 651 | } else if (type != SSH2_FXP_NAME) |
| 652 | fatal("Expected SSH2_FXP_NAME(%d) packet, got %d", |
| 653 | SSH2_FXP_NAME, type); |
| 654 | |
| 655 | count = buffer_get_int(&msg); |
| 656 | if (count != 1) |
| 657 | fatal("Got multiple names (%d) from SSH_FXP_READLINK", count); |
| 658 | |
| 659 | filename = buffer_get_string(&msg, NULL); |
| 660 | longname = buffer_get_string(&msg, NULL); |
| 661 | a = decode_attrib(&msg); |
| 662 | |
| 663 | debug3("SSH_FXP_READLINK %s -> %s", path, filename); |
| 664 | |
| 665 | xfree(longname); |
| 666 | |
| 667 | buffer_free(&msg); |
| 668 | |
| 669 | return(filename); |
| 670 | } |
| 671 | |
| 672 | int |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 673 | do_download(int fd_in, int fd_out, char *remote_path, char *local_path, |
| 674 | int pflag) |
| 675 | { |
| 676 | int local_fd; |
| 677 | u_int expected_id, handle_len, mode, type, id; |
| 678 | u_int64_t offset; |
| 679 | char *handle; |
| 680 | Buffer msg; |
| 681 | Attrib junk, *a; |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 682 | int status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 683 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 684 | a = do_stat(fd_in, fd_out, remote_path, 0); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 685 | if (a == NULL) |
| 686 | return(-1); |
| 687 | |
| 688 | /* XXX: should we preserve set[ug]id? */ |
| 689 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) |
| 690 | mode = S_IWRITE | (a->perm & 0777); |
| 691 | else |
| 692 | mode = 0666; |
| 693 | |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 694 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && |
| 695 | (a->perm & S_IFDIR)) { |
| 696 | error("Cannot download a directory: %s", remote_path); |
| 697 | return(-1); |
| 698 | } |
| 699 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 700 | local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, mode); |
| 701 | if (local_fd == -1) { |
| 702 | error("Couldn't open local file \"%s\" for writing: %s", |
| 703 | local_path, strerror(errno)); |
Ben Lindstrom | c8d1c30 | 2001-03-17 00:34:46 +0000 | [diff] [blame] | 704 | return(-1); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 705 | } |
| 706 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 707 | buffer_init(&msg); |
| 708 | |
| 709 | /* Send open request */ |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 710 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 711 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 712 | buffer_put_int(&msg, id); |
| 713 | buffer_put_cstring(&msg, remote_path); |
| 714 | buffer_put_int(&msg, SSH2_FXF_READ); |
| 715 | attrib_clear(&junk); /* Send empty attributes */ |
| 716 | encode_attrib(&msg, &junk); |
| 717 | send_msg(fd_out, &msg); |
| 718 | debug3("Sent message SSH2_FXP_OPEN I:%d P:%s", id, remote_path); |
| 719 | |
| 720 | handle = get_handle(fd_in, id, &handle_len); |
| 721 | if (handle == NULL) { |
| 722 | buffer_free(&msg); |
| 723 | close(local_fd); |
| 724 | return(-1); |
| 725 | } |
| 726 | |
| 727 | /* Read from remote and write to local */ |
| 728 | offset = 0; |
| 729 | for(;;) { |
| 730 | u_int len; |
| 731 | char *data; |
| 732 | |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 733 | id = expected_id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 734 | |
| 735 | buffer_clear(&msg); |
| 736 | buffer_put_char(&msg, SSH2_FXP_READ); |
| 737 | buffer_put_int(&msg, id); |
| 738 | buffer_put_string(&msg, handle, handle_len); |
| 739 | buffer_put_int64(&msg, offset); |
| 740 | buffer_put_int(&msg, COPY_SIZE); |
| 741 | send_msg(fd_out, &msg); |
| 742 | debug3("Sent message SSH2_FXP_READ I:%d O:%llu S:%u", |
Ben Lindstrom | 416d874 | 2001-02-25 02:02:43 +0000 | [diff] [blame] | 743 | id, (u_int64_t)offset, COPY_SIZE); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 744 | |
| 745 | buffer_clear(&msg); |
| 746 | |
| 747 | get_msg(fd_in, &msg); |
| 748 | type = buffer_get_char(&msg); |
| 749 | id = buffer_get_int(&msg); |
| 750 | debug3("Received reply T:%d I:%d", type, id); |
| 751 | if (id != expected_id) |
| 752 | fatal("ID mismatch (%d != %d)", id, expected_id); |
| 753 | if (type == SSH2_FXP_STATUS) { |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 754 | status = buffer_get_int(&msg); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 755 | |
| 756 | if (status == SSH2_FX_EOF) |
| 757 | break; |
| 758 | else { |
| 759 | error("Couldn't read from remote " |
| 760 | "file \"%s\" : %s", remote_path, |
| 761 | fx2txt(status)); |
| 762 | do_close(fd_in, fd_out, handle, handle_len); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 763 | goto done; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 764 | } |
| 765 | } else if (type != SSH2_FXP_DATA) { |
| 766 | fatal("Expected SSH2_FXP_DATA(%d) packet, got %d", |
| 767 | SSH2_FXP_DATA, type); |
| 768 | } |
| 769 | |
| 770 | data = buffer_get_string(&msg, &len); |
| 771 | if (len > COPY_SIZE) |
| 772 | fatal("Received more data than asked for %d > %d", |
| 773 | len, COPY_SIZE); |
| 774 | |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 775 | debug3("In read loop, got %d offset %llu", len, |
Ben Lindstrom | 416d874 | 2001-02-25 02:02:43 +0000 | [diff] [blame] | 776 | (u_int64_t)offset); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 777 | if (atomicio(write, local_fd, data, len) != len) { |
| 778 | error("Couldn't write to \"%s\": %s", local_path, |
| 779 | strerror(errno)); |
| 780 | do_close(fd_in, fd_out, handle, handle_len); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 781 | status = -1; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 782 | xfree(data); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 783 | goto done; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 784 | } |
| 785 | |
| 786 | offset += len; |
| 787 | xfree(data); |
| 788 | } |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 789 | status = do_close(fd_in, fd_out, handle, handle_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 790 | |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 791 | /* Override umask and utimes if asked */ |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 792 | #ifdef HAVE_FCHMOD |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 793 | if (pflag && fchmod(local_fd, mode) == -1) |
Ben Lindstrom | 6dc75f5 | 2001-02-17 16:47:47 +0000 | [diff] [blame] | 794 | #else |
| 795 | if (pflag && chmod(local_path, mode) == -1) |
| 796 | #endif /* HAVE_FCHMOD */ |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 797 | error("Couldn't set mode on \"%s\": %s", local_path, |
| 798 | strerror(errno)); |
| 799 | if (pflag && (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) { |
| 800 | struct timeval tv[2]; |
| 801 | tv[0].tv_sec = a->atime; |
| 802 | tv[1].tv_sec = a->mtime; |
| 803 | tv[0].tv_usec = tv[1].tv_usec = 0; |
| 804 | if (utimes(local_path, tv) == -1) |
| 805 | error("Can't set times on \"%s\": %s", local_path, |
| 806 | strerror(errno)); |
| 807 | } |
| 808 | |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 809 | done: |
| 810 | close(local_fd); |
| 811 | buffer_free(&msg); |
| 812 | xfree(handle); |
| 813 | return status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 814 | } |
| 815 | |
| 816 | int |
| 817 | do_upload(int fd_in, int fd_out, char *local_path, char *remote_path, |
| 818 | int pflag) |
| 819 | { |
| 820 | int local_fd; |
| 821 | u_int handle_len, id; |
| 822 | u_int64_t offset; |
| 823 | char *handle; |
| 824 | Buffer msg; |
| 825 | struct stat sb; |
| 826 | Attrib a; |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 827 | int status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 828 | |
| 829 | if ((local_fd = open(local_path, O_RDONLY, 0)) == -1) { |
| 830 | error("Couldn't open local file \"%s\" for reading: %s", |
| 831 | local_path, strerror(errno)); |
| 832 | return(-1); |
| 833 | } |
| 834 | if (fstat(local_fd, &sb) == -1) { |
| 835 | error("Couldn't fstat local file \"%s\": %s", |
| 836 | local_path, strerror(errno)); |
| 837 | close(local_fd); |
| 838 | return(-1); |
| 839 | } |
| 840 | stat_to_attrib(&sb, &a); |
| 841 | |
| 842 | a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; |
| 843 | a.flags &= ~SSH2_FILEXFER_ATTR_UIDGID; |
| 844 | a.perm &= 0777; |
| 845 | if (!pflag) |
| 846 | a.flags &= ~SSH2_FILEXFER_ATTR_ACMODTIME; |
| 847 | |
| 848 | buffer_init(&msg); |
| 849 | |
| 850 | /* Send open request */ |
Ben Lindstrom | 288cc39 | 2001-02-09 02:58:04 +0000 | [diff] [blame] | 851 | id = msg_id++; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 852 | buffer_put_char(&msg, SSH2_FXP_OPEN); |
| 853 | buffer_put_int(&msg, id); |
| 854 | buffer_put_cstring(&msg, remote_path); |
| 855 | buffer_put_int(&msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|SSH2_FXF_TRUNC); |
| 856 | encode_attrib(&msg, &a); |
| 857 | send_msg(fd_out, &msg); |
| 858 | debug3("Sent message SSH2_FXP_OPEN I:%d P:%s", id, remote_path); |
| 859 | |
| 860 | buffer_clear(&msg); |
| 861 | |
| 862 | handle = get_handle(fd_in, id, &handle_len); |
| 863 | if (handle == NULL) { |
| 864 | close(local_fd); |
| 865 | buffer_free(&msg); |
| 866 | return(-1); |
| 867 | } |
| 868 | |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 869 | /* Read from local and write to remote */ |
| 870 | offset = 0; |
| 871 | for(;;) { |
| 872 | int len; |
| 873 | char data[COPY_SIZE]; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 874 | |
| 875 | /* |
| 876 | * Can't use atomicio here because it returns 0 on EOF, thus losing |
| 877 | * the last block of the file |
| 878 | */ |
| 879 | do |
| 880 | len = read(local_fd, data, COPY_SIZE); |
| 881 | while ((len == -1) && (errno == EINTR || errno == EAGAIN)); |
| 882 | |
| 883 | if (len == -1) |
| 884 | fatal("Couldn't read from \"%s\": %s", local_path, |
| 885 | strerror(errno)); |
| 886 | if (len == 0) |
| 887 | break; |
| 888 | |
| 889 | buffer_clear(&msg); |
| 890 | buffer_put_char(&msg, SSH2_FXP_WRITE); |
| 891 | buffer_put_int(&msg, ++id); |
| 892 | buffer_put_string(&msg, handle, handle_len); |
| 893 | buffer_put_int64(&msg, offset); |
| 894 | buffer_put_string(&msg, data, len); |
| 895 | send_msg(fd_out, &msg); |
| 896 | debug3("Sent message SSH2_FXP_WRITE I:%d O:%llu S:%u", |
Ben Lindstrom | 416d874 | 2001-02-25 02:02:43 +0000 | [diff] [blame] | 897 | id, (u_int64_t)offset, len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 898 | |
| 899 | status = get_status(fd_in, id); |
| 900 | if (status != SSH2_FX_OK) { |
| 901 | error("Couldn't write to remote file \"%s\": %s", |
| 902 | remote_path, fx2txt(status)); |
| 903 | do_close(fd_in, fd_out, handle, handle_len); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 904 | close(local_fd); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 905 | goto done; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 906 | } |
Kevin Steves | ec1c140 | 2001-02-05 15:39:22 +0000 | [diff] [blame] | 907 | debug3("In write loop, got %d offset %llu", len, |
Ben Lindstrom | 416d874 | 2001-02-25 02:02:43 +0000 | [diff] [blame] | 908 | (u_int64_t)offset); |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 909 | |
| 910 | offset += len; |
| 911 | } |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 912 | |
| 913 | if (close(local_fd) == -1) { |
| 914 | error("Couldn't close local file \"%s\": %s", local_path, |
| 915 | strerror(errno)); |
| 916 | do_close(fd_in, fd_out, handle, handle_len); |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 917 | status = -1; |
| 918 | goto done; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 919 | } |
| 920 | |
Ben Lindstrom | 9d4f2c8 | 2001-02-15 03:22:45 +0000 | [diff] [blame] | 921 | /* Override umask and utimes if asked */ |
| 922 | if (pflag) |
| 923 | do_fsetstat(fd_in, fd_out, handle, handle_len, &a); |
| 924 | |
Damien Miller | d7686fd | 2001-02-10 00:40:03 +1100 | [diff] [blame] | 925 | status = do_close(fd_in, fd_out, handle, handle_len); |
| 926 | |
| 927 | done: |
| 928 | xfree(handle); |
| 929 | buffer_free(&msg); |
| 930 | return status; |
Damien Miller | 3380426 | 2001-02-04 23:20:18 +1100 | [diff] [blame] | 931 | } |
Damien Miller | 4870afd | 2001-03-14 10:27:09 +1100 | [diff] [blame] | 932 | |