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Commit | Line | Data |
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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 | ||
61e96248 | 25 | /* XXX: recursive operations */ |
26 | ||
27 | #include "includes.h" | |
b77a87e5 | 28 | RCSID("$OpenBSD: sftp-int.c,v 1.50 2002/11/21 23:03:51 deraadt Exp $"); |
2e4fb373 | 29 | |
61e96248 | 30 | #include "buffer.h" |
31 | #include "xmalloc.h" | |
32 | #include "log.h" | |
33 | #include "pathnames.h" | |
34 | ||
35 | #include "sftp.h" | |
36 | #include "sftp-common.h" | |
2e4fb373 | 37 | #include "sftp-glob.h" |
61e96248 | 38 | #include "sftp-client.h" |
39 | #include "sftp-int.h" | |
40 | ||
3a7fe5ba | 41 | /* File to read commands from */ |
42 | extern FILE *infile; | |
43 | ||
375f867e | 44 | /* Size of buffer used when copying files */ |
45 | extern size_t copy_buffer_len; | |
46 | ||
c25d3df7 | 47 | /* Number of concurrent outstanding requests */ |
48 | extern int num_requests; | |
49 | ||
61e96248 | 50 | /* Seperators for interactive commands */ |
51 | #define WHITESPACE " \t\r\n" | |
52 | ||
53 | /* Commands for interactive mode */ | |
54 | #define I_CHDIR 1 | |
55 | #define I_CHGRP 2 | |
56 | #define I_CHMOD 3 | |
57 | #define I_CHOWN 4 | |
58 | #define I_GET 5 | |
59 | #define I_HELP 6 | |
60 | #define I_LCHDIR 7 | |
61 | #define I_LLS 8 | |
62 | #define I_LMKDIR 9 | |
63 | #define I_LPWD 10 | |
64 | #define I_LS 11 | |
65 | #define I_LUMASK 12 | |
66 | #define I_MKDIR 13 | |
67 | #define I_PUT 14 | |
68 | #define I_PWD 15 | |
69 | #define I_QUIT 16 | |
70 | #define I_RENAME 17 | |
71 | #define I_RM 18 | |
72 | #define I_RMDIR 19 | |
73 | #define I_SHELL 20 | |
3a7fe5ba | 74 | #define I_SYMLINK 21 |
85cf5827 | 75 | #define I_VERSION 22 |
61e96248 | 76 | |
77 | struct CMD { | |
61e96248 | 78 | const char *c; |
ec2a033a | 79 | const int n; |
61e96248 | 80 | }; |
81 | ||
82 | const struct CMD cmds[] = { | |
68874d2b | 83 | { "bye", I_QUIT }, |
0426a3b4 | 84 | { "cd", I_CHDIR }, |
85 | { "chdir", I_CHDIR }, | |
86 | { "chgrp", I_CHGRP }, | |
87 | { "chmod", I_CHMOD }, | |
88 | { "chown", I_CHOWN }, | |
89 | { "dir", I_LS }, | |
90 | { "exit", I_QUIT }, | |
91 | { "get", I_GET }, | |
45a2e669 | 92 | { "mget", I_GET }, |
0426a3b4 | 93 | { "help", I_HELP }, |
94 | { "lcd", I_LCHDIR }, | |
95 | { "lchdir", I_LCHDIR }, | |
96 | { "lls", I_LLS }, | |
97 | { "lmkdir", I_LMKDIR }, | |
3a7fe5ba | 98 | { "ln", I_SYMLINK }, |
0426a3b4 | 99 | { "lpwd", I_LPWD }, |
100 | { "ls", I_LS }, | |
101 | { "lumask", I_LUMASK }, | |
102 | { "mkdir", I_MKDIR }, | |
103 | { "put", I_PUT }, | |
45a2e669 | 104 | { "mput", I_PUT }, |
0426a3b4 | 105 | { "pwd", I_PWD }, |
106 | { "quit", I_QUIT }, | |
107 | { "rename", I_RENAME }, | |
108 | { "rm", I_RM }, | |
109 | { "rmdir", I_RMDIR }, | |
3a7fe5ba | 110 | { "symlink", I_SYMLINK }, |
85cf5827 | 111 | { "version", I_VERSION }, |
ec2a033a | 112 | { "!", I_SHELL }, |
113 | { "?", I_HELP }, | |
114 | { NULL, -1} | |
61e96248 | 115 | }; |
116 | ||
396c147e | 117 | static void |
61e96248 | 118 | help(void) |
119 | { | |
120 | printf("Available commands:\n"); | |
0426a3b4 | 121 | printf("cd path Change remote directory to 'path'\n"); |
122 | printf("lcd path Change local directory to 'path'\n"); | |
123 | printf("chgrp grp path Change group of file 'path' to 'grp'\n"); | |
124 | printf("chmod mode path Change permissions of file 'path' to 'mode'\n"); | |
125 | printf("chown own path Change owner of file 'path' to 'own'\n"); | |
126 | printf("help Display this help text\n"); | |
127 | printf("get remote-path [local-path] Download file\n"); | |
128 | printf("lls [ls-options [path]] Display local directory listing\n"); | |
3a7fe5ba | 129 | printf("ln oldpath newpath Symlink remote file\n"); |
0426a3b4 | 130 | printf("lmkdir path Create local directory\n"); |
131 | printf("lpwd Print local working directory\n"); | |
132 | printf("ls [path] Display remote directory listing\n"); | |
133 | printf("lumask umask Set local umask to 'umask'\n"); | |
134 | printf("mkdir path Create remote directory\n"); | |
135 | printf("put local-path [remote-path] Upload file\n"); | |
136 | printf("pwd Display remote working directory\n"); | |
137 | printf("exit Quit sftp\n"); | |
138 | printf("quit Quit sftp\n"); | |
139 | printf("rename oldpath newpath Rename remote file\n"); | |
140 | printf("rmdir path Remove remote directory\n"); | |
141 | printf("rm path Delete remote file\n"); | |
3a7fe5ba | 142 | printf("symlink oldpath newpath Symlink remote file\n"); |
85cf5827 | 143 | printf("version Show SFTP version\n"); |
61e96248 | 144 | printf("!command Execute 'command' in local shell\n"); |
145 | printf("! Escape to local shell\n"); | |
0426a3b4 | 146 | printf("? Synonym for help\n"); |
61e96248 | 147 | } |
148 | ||
396c147e | 149 | static void |
61e96248 | 150 | local_do_shell(const char *args) |
151 | { | |
ec1f12d3 | 152 | int status; |
61e96248 | 153 | char *shell; |
154 | pid_t pid; | |
2b87da3b | 155 | |
61e96248 | 156 | if (!*args) |
157 | args = NULL; | |
2b87da3b | 158 | |
61e96248 | 159 | if ((shell = getenv("SHELL")) == NULL) |
160 | shell = _PATH_BSHELL; | |
161 | ||
162 | if ((pid = fork()) == -1) | |
163 | fatal("Couldn't fork: %s", strerror(errno)); | |
164 | ||
165 | if (pid == 0) { | |
166 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |
167 | if (args) { | |
168 | debug3("Executing %s -c \"%s\"", shell, args); | |
ed916b28 | 169 | execl(shell, shell, "-c", args, (char *)NULL); |
61e96248 | 170 | } else { |
171 | debug3("Executing %s", shell); | |
ed916b28 | 172 | execl(shell, shell, (char *)NULL); |
61e96248 | 173 | } |
2b87da3b | 174 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, |
61e96248 | 175 | strerror(errno)); |
176 | _exit(1); | |
177 | } | |
8c38e88b | 178 | while (waitpid(pid, &status, 0) == -1) |
179 | if (errno != EINTR) | |
180 | fatal("Couldn't wait for child: %s", strerror(errno)); | |
61e96248 | 181 | if (!WIFEXITED(status)) |
182 | error("Shell exited abormally"); | |
183 | else if (WEXITSTATUS(status)) | |
184 | error("Shell exited with status %d", WEXITSTATUS(status)); | |
185 | } | |
186 | ||
396c147e | 187 | static void |
61e96248 | 188 | local_do_ls(const char *args) |
189 | { | |
190 | if (!args || !*args) | |
0426a3b4 | 191 | local_do_shell(_PATH_LS); |
61e96248 | 192 | else { |
0426a3b4 | 193 | int len = strlen(_PATH_LS " ") + strlen(args) + 1; |
194 | char *buf = xmalloc(len); | |
61e96248 | 195 | |
196 | /* XXX: quoting - rip quoting code from ftp? */ | |
0426a3b4 | 197 | snprintf(buf, len, _PATH_LS " %s", args); |
61e96248 | 198 | local_do_shell(buf); |
0426a3b4 | 199 | xfree(buf); |
61e96248 | 200 | } |
201 | } | |
202 | ||
00b3ad3e | 203 | /* Strip one path (usually the pwd) from the start of another */ |
204 | static char * | |
205 | path_strip(char *path, char *strip) | |
206 | { | |
207 | size_t len; | |
00b3ad3e | 208 | |
209 | if (strip == NULL) | |
210 | return (xstrdup(path)); | |
211 | ||
212 | len = strlen(strip); | |
213 | if (strip != NULL && strncmp(path, strip, len) == 0) { | |
214 | if (strip[len - 1] != '/' && path[len] == '/') | |
215 | len++; | |
216 | return (xstrdup(path + len)); | |
217 | } | |
218 | ||
219 | return (xstrdup(path)); | |
220 | } | |
221 | ||
396c147e | 222 | static char * |
d50d9b63 | 223 | path_append(char *p1, char *p2) |
224 | { | |
225 | char *ret; | |
6a8496e4 | 226 | int len = strlen(p1) + strlen(p2) + 2; |
d50d9b63 | 227 | |
6a8496e4 | 228 | ret = xmalloc(len); |
229 | strlcpy(ret, p1, len); | |
00b3ad3e | 230 | if (p1[strlen(p1) - 1] != '/') |
88690211 | 231 | strlcat(ret, "/", len); |
6a8496e4 | 232 | strlcat(ret, p2, len); |
d50d9b63 | 233 | |
234 | return(ret); | |
235 | } | |
236 | ||
396c147e | 237 | static char * |
61e96248 | 238 | make_absolute(char *p, char *pwd) |
239 | { | |
d50d9b63 | 240 | char *abs; |
61e96248 | 241 | |
242 | /* Derelativise */ | |
243 | if (p && p[0] != '/') { | |
d50d9b63 | 244 | abs = path_append(pwd, p); |
61e96248 | 245 | xfree(p); |
d50d9b63 | 246 | return(abs); |
247 | } else | |
248 | return(p); | |
249 | } | |
250 | ||
396c147e | 251 | static int |
d50d9b63 | 252 | infer_path(const char *p, char **ifp) |
253 | { | |
254 | char *cp; | |
255 | ||
256 | cp = strrchr(p, '/'); | |
257 | if (cp == NULL) { | |
258 | *ifp = xstrdup(p); | |
259 | return(0); | |
260 | } | |
261 | ||
262 | if (!cp[1]) { | |
263 | error("Invalid path"); | |
264 | return(-1); | |
61e96248 | 265 | } |
266 | ||
d50d9b63 | 267 | *ifp = xstrdup(cp + 1); |
268 | return(0); | |
61e96248 | 269 | } |
270 | ||
396c147e | 271 | static int |
61e96248 | 272 | parse_getput_flags(const char **cpp, int *pflag) |
273 | { | |
274 | const char *cp = *cpp; | |
275 | ||
276 | /* Check for flags */ | |
277 | if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) { | |
0426a3b4 | 278 | switch (cp[1]) { |
58c54a79 | 279 | case 'p': |
61e96248 | 280 | case 'P': |
281 | *pflag = 1; | |
282 | break; | |
283 | default: | |
58c54a79 | 284 | error("Invalid flag -%c", cp[1]); |
61e96248 | 285 | return(-1); |
286 | } | |
287 | cp += 2; | |
288 | *cpp = cp + strspn(cp, WHITESPACE); | |
289 | } | |
290 | ||
291 | return(0); | |
292 | } | |
293 | ||
00b3ad3e | 294 | static int |
295 | parse_ls_flags(const char **cpp, int *lflag) | |
296 | { | |
297 | const char *cp = *cpp; | |
298 | ||
299 | /* Check for flags */ | |
300 | if (cp++[0] == '-') { | |
301 | for(; strchr(WHITESPACE, *cp) == NULL; cp++) { | |
302 | switch (*cp) { | |
303 | case 'l': | |
304 | *lflag = 1; | |
305 | break; | |
306 | default: | |
307 | error("Invalid flag -%c", *cp); | |
308 | return(-1); | |
309 | } | |
310 | } | |
311 | *cpp = cp + strspn(cp, WHITESPACE); | |
312 | } | |
313 | ||
314 | return(0); | |
315 | } | |
316 | ||
396c147e | 317 | static int |
61e96248 | 318 | get_pathname(const char **cpp, char **path) |
319 | { | |
0426a3b4 | 320 | const char *cp = *cpp, *end; |
321 | char quot; | |
61e96248 | 322 | int i; |
323 | ||
324 | cp += strspn(cp, WHITESPACE); | |
325 | if (!*cp) { | |
326 | *cpp = cp; | |
327 | *path = NULL; | |
0426a3b4 | 328 | return (0); |
61e96248 | 329 | } |
330 | ||
331 | /* Check for quoted filenames */ | |
332 | if (*cp == '\"' || *cp == '\'') { | |
0426a3b4 | 333 | quot = *cp++; |
f55d1b5f | 334 | |
0426a3b4 | 335 | end = strchr(cp, quot); |
336 | if (end == NULL) { | |
61e96248 | 337 | error("Unterminated quote"); |
0426a3b4 | 338 | goto fail; |
61e96248 | 339 | } |
0426a3b4 | 340 | if (cp == end) { |
61e96248 | 341 | error("Empty quotes"); |
0426a3b4 | 342 | goto fail; |
61e96248 | 343 | } |
0426a3b4 | 344 | *cpp = end + 1 + strspn(end + 1, WHITESPACE); |
345 | } else { | |
346 | /* Read to end of filename */ | |
347 | end = strpbrk(cp, WHITESPACE); | |
348 | if (end == NULL) | |
349 | end = strchr(cp, '\0'); | |
350 | *cpp = end + strspn(end, WHITESPACE); | |
61e96248 | 351 | } |
352 | ||
0426a3b4 | 353 | i = end - cp; |
61e96248 | 354 | |
355 | *path = xmalloc(i + 1); | |
356 | memcpy(*path, cp, i); | |
357 | (*path)[i] = '\0'; | |
61e96248 | 358 | return(0); |
0426a3b4 | 359 | |
360 | fail: | |
361 | *path = NULL; | |
362 | return (-1); | |
61e96248 | 363 | } |
364 | ||
396c147e | 365 | static int |
d50d9b63 | 366 | is_dir(char *path) |
61e96248 | 367 | { |
d50d9b63 | 368 | struct stat sb; |
61e96248 | 369 | |
d50d9b63 | 370 | /* XXX: report errors? */ |
371 | if (stat(path, &sb) == -1) | |
61e96248 | 372 | return(0); |
d50d9b63 | 373 | |
374 | return(sb.st_mode & S_IFDIR); | |
375 | } | |
376 | ||
396c147e | 377 | static int |
22e6c827 | 378 | remote_is_dir(struct sftp_conn *conn, char *path) |
d50d9b63 | 379 | { |
380 | Attrib *a; | |
381 | ||
382 | /* XXX: report errors? */ | |
22e6c827 | 383 | if ((a = do_stat(conn, path, 1)) == NULL) |
d50d9b63 | 384 | return(0); |
385 | if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) | |
386 | return(0); | |
387 | return(a->perm & S_IFDIR); | |
388 | } | |
389 | ||
396c147e | 390 | static int |
22e6c827 | 391 | process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) |
d50d9b63 | 392 | { |
393 | char *abs_src = NULL; | |
394 | char *abs_dst = NULL; | |
395 | char *tmp; | |
396 | glob_t g; | |
397 | int err = 0; | |
398 | int i; | |
f55d1b5f | 399 | |
d50d9b63 | 400 | abs_src = xstrdup(src); |
401 | abs_src = make_absolute(abs_src, pwd); | |
402 | ||
f55d1b5f | 403 | memset(&g, 0, sizeof(g)); |
d50d9b63 | 404 | debug3("Looking up %s", abs_src); |
22e6c827 | 405 | if (remote_glob(conn, abs_src, 0, NULL, &g)) { |
d50d9b63 | 406 | error("File \"%s\" not found.", abs_src); |
407 | err = -1; | |
408 | goto out; | |
61e96248 | 409 | } |
410 | ||
d50d9b63 | 411 | /* Only one match, dst may be file, directory or unspecified */ |
412 | if (g.gl_pathv[0] && g.gl_matchc == 1) { | |
413 | if (dst) { | |
414 | /* If directory specified, append filename */ | |
415 | if (is_dir(dst)) { | |
416 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
417 | err = 1; | |
418 | goto out; | |
419 | } | |
420 | abs_dst = path_append(dst, tmp); | |
421 | xfree(tmp); | |
422 | } else | |
423 | abs_dst = xstrdup(dst); | |
424 | } else if (infer_path(g.gl_pathv[0], &abs_dst)) { | |
425 | err = -1; | |
426 | goto out; | |
427 | } | |
428 | printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst); | |
22e6c827 | 429 | err = do_download(conn, g.gl_pathv[0], abs_dst, pflag); |
d50d9b63 | 430 | goto out; |
61e96248 | 431 | } |
432 | ||
d50d9b63 | 433 | /* Multiple matches, dst may be directory or unspecified */ |
434 | if (dst && !is_dir(dst)) { | |
f55d1b5f | 435 | error("Multiple files match, but \"%s\" is not a directory", |
d50d9b63 | 436 | dst); |
437 | err = -1; | |
438 | goto out; | |
439 | } | |
f55d1b5f | 440 | |
184eed6a | 441 | for (i = 0; g.gl_pathv[i]; i++) { |
d50d9b63 | 442 | if (infer_path(g.gl_pathv[i], &tmp)) { |
443 | err = -1; | |
444 | goto out; | |
445 | } | |
446 | if (dst) { | |
447 | abs_dst = path_append(dst, tmp); | |
448 | xfree(tmp); | |
449 | } else | |
450 | abs_dst = tmp; | |
451 | ||
452 | printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); | |
22e6c827 | 453 | if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1) |
d50d9b63 | 454 | err = -1; |
455 | xfree(abs_dst); | |
456 | abs_dst = NULL; | |
457 | } | |
458 | ||
459 | out: | |
460 | xfree(abs_src); | |
461 | if (abs_dst) | |
462 | xfree(abs_dst); | |
463 | globfree(&g); | |
464 | return(err); | |
465 | } | |
466 | ||
396c147e | 467 | static int |
22e6c827 | 468 | process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) |
d50d9b63 | 469 | { |
470 | char *tmp_dst = NULL; | |
471 | char *abs_dst = NULL; | |
472 | char *tmp; | |
473 | glob_t g; | |
474 | int err = 0; | |
475 | int i; | |
476 | ||
477 | if (dst) { | |
478 | tmp_dst = xstrdup(dst); | |
479 | tmp_dst = make_absolute(tmp_dst, pwd); | |
480 | } | |
481 | ||
f55d1b5f | 482 | memset(&g, 0, sizeof(g)); |
d50d9b63 | 483 | debug3("Looking up %s", src); |
484 | if (glob(src, 0, NULL, &g)) { | |
485 | error("File \"%s\" not found.", src); | |
486 | err = -1; | |
487 | goto out; | |
488 | } | |
489 | ||
490 | /* Only one match, dst may be file, directory or unspecified */ | |
491 | if (g.gl_pathv[0] && g.gl_matchc == 1) { | |
492 | if (tmp_dst) { | |
493 | /* If directory specified, append filename */ | |
22e6c827 | 494 | if (remote_is_dir(conn, tmp_dst)) { |
d50d9b63 | 495 | if (infer_path(g.gl_pathv[0], &tmp)) { |
496 | err = 1; | |
497 | goto out; | |
498 | } | |
499 | abs_dst = path_append(tmp_dst, tmp); | |
500 | xfree(tmp); | |
501 | } else | |
502 | abs_dst = xstrdup(tmp_dst); | |
e285053e | 503 | } else { |
504 | if (infer_path(g.gl_pathv[0], &abs_dst)) { | |
505 | err = -1; | |
506 | goto out; | |
507 | } | |
508 | abs_dst = make_absolute(abs_dst, pwd); | |
d50d9b63 | 509 | } |
510 | printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst); | |
22e6c827 | 511 | err = do_upload(conn, g.gl_pathv[0], abs_dst, pflag); |
d50d9b63 | 512 | goto out; |
513 | } | |
514 | ||
515 | /* Multiple matches, dst may be directory or unspecified */ | |
22e6c827 | 516 | if (tmp_dst && !remote_is_dir(conn, tmp_dst)) { |
f55d1b5f | 517 | error("Multiple files match, but \"%s\" is not a directory", |
d50d9b63 | 518 | tmp_dst); |
519 | err = -1; | |
520 | goto out; | |
521 | } | |
522 | ||
184eed6a | 523 | for (i = 0; g.gl_pathv[i]; i++) { |
d50d9b63 | 524 | if (infer_path(g.gl_pathv[i], &tmp)) { |
525 | err = -1; | |
526 | goto out; | |
527 | } | |
528 | if (tmp_dst) { | |
529 | abs_dst = path_append(tmp_dst, tmp); | |
530 | xfree(tmp); | |
531 | } else | |
532 | abs_dst = make_absolute(tmp, pwd); | |
533 | ||
534 | printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); | |
22e6c827 | 535 | if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1) |
d50d9b63 | 536 | err = -1; |
537 | } | |
538 | ||
539 | out: | |
540 | if (abs_dst) | |
541 | xfree(abs_dst); | |
542 | if (tmp_dst) | |
543 | xfree(tmp_dst); | |
544 | return(err); | |
61e96248 | 545 | } |
546 | ||
396c147e | 547 | static int |
00b3ad3e | 548 | sdirent_comp(const void *aa, const void *bb) |
549 | { | |
550 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |
551 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |
552 | ||
b77a87e5 | 553 | return (strcmp(a->filename, b->filename)); |
00b3ad3e | 554 | } |
555 | ||
556 | /* sftp ls.1 replacement for directories */ | |
557 | static int | |
558 | do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) | |
559 | { | |
560 | int n; | |
561 | SFTP_DIRENT **d; | |
562 | ||
563 | if ((n = do_readdir(conn, path, &d)) != 0) | |
564 | return (n); | |
565 | ||
b77a87e5 | 566 | /* Count entries for sort */ |
00b3ad3e | 567 | for (n = 0; d[n] != NULL; n++) |
568 | ; | |
569 | ||
570 | qsort(d, n, sizeof(*d), sdirent_comp); | |
571 | ||
572 | for (n = 0; d[n] != NULL; n++) { | |
573 | char *tmp, *fname; | |
b77a87e5 | 574 | |
00b3ad3e | 575 | tmp = path_append(path, d[n]->filename); |
576 | fname = path_strip(tmp, strip_path); | |
577 | xfree(tmp); | |
578 | ||
579 | if (lflag) { | |
580 | char *lname; | |
581 | struct stat sb; | |
582 | ||
583 | memset(&sb, 0, sizeof(sb)); | |
584 | attrib_to_stat(&d[n]->a, &sb); | |
585 | lname = ls_file(fname, &sb, 1); | |
586 | printf("%s\n", lname); | |
587 | xfree(lname); | |
588 | } else { | |
589 | /* XXX - multicolumn display would be nice here */ | |
590 | printf("%s\n", fname); | |
591 | } | |
b77a87e5 | 592 | |
00b3ad3e | 593 | xfree(fname); |
594 | } | |
595 | ||
596 | free_sftp_dirents(d); | |
597 | return (0); | |
598 | } | |
599 | ||
600 | /* sftp ls.1 replacement which handles path globs */ | |
601 | static int | |
b77a87e5 | 602 | do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, |
00b3ad3e | 603 | int lflag) |
604 | { | |
605 | glob_t g; | |
606 | int i; | |
607 | Attrib *a; | |
608 | struct stat sb; | |
609 | ||
610 | memset(&g, 0, sizeof(g)); | |
611 | ||
b77a87e5 | 612 | if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, |
00b3ad3e | 613 | NULL, &g)) { |
614 | error("Can't ls: \"%s\" not found", path); | |
615 | return (-1); | |
616 | } | |
617 | ||
618 | /* | |
b77a87e5 | 619 | * If the glob returns a single match, which is the same as the |
00b3ad3e | 620 | * input glob, and it is a directory, then just list its contents |
621 | */ | |
b77a87e5 | 622 | if (g.gl_pathc == 1 && |
00b3ad3e | 623 | strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) { |
624 | if ((a = do_lstat(conn, path, 1)) == NULL) { | |
625 | globfree(&g); | |
626 | return (-1); | |
627 | } | |
b77a87e5 | 628 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && |
00b3ad3e | 629 | S_ISDIR(a->perm)) { |
630 | globfree(&g); | |
631 | return (do_ls_dir(conn, path, strip_path, lflag)); | |
632 | } | |
633 | } | |
634 | ||
635 | for (i = 0; g.gl_pathv[i]; i++) { | |
636 | char *fname, *lname; | |
637 | ||
638 | fname = path_strip(g.gl_pathv[i], strip_path); | |
639 | ||
640 | if (lflag) { | |
641 | /* | |
642 | * XXX: this is slow - 1 roundtrip per path | |
b77a87e5 | 643 | * A solution to this is to fork glob() and |
644 | * build a sftp specific version which keeps the | |
00b3ad3e | 645 | * attribs (which currently get thrown away) |
646 | * that the server returns as well as the filenames. | |
647 | */ | |
648 | memset(&sb, 0, sizeof(sb)); | |
649 | a = do_lstat(conn, g.gl_pathv[i], 1); | |
650 | if (a != NULL) | |
651 | attrib_to_stat(a, &sb); | |
652 | lname = ls_file(fname, &sb, 1); | |
653 | printf("%s\n", lname); | |
654 | xfree(lname); | |
655 | } else { | |
656 | /* XXX - multicolumn display would be nice here */ | |
657 | printf("%s\n", fname); | |
658 | } | |
659 | xfree(fname); | |
660 | } | |
661 | ||
662 | if (g.gl_pathc) | |
663 | globfree(&g); | |
664 | ||
665 | return (0); | |
666 | } | |
667 | ||
668 | static int | |
b77a87e5 | 669 | parse_args(const char **cpp, int *pflag, int *lflag, |
00b3ad3e | 670 | unsigned long *n_arg, char **path1, char **path2) |
61e96248 | 671 | { |
672 | const char *cmd, *cp = *cpp; | |
877546eb | 673 | char *cp2; |
ec2a033a | 674 | int base = 0; |
877546eb | 675 | long l; |
61e96248 | 676 | int i, cmdnum; |
677 | ||
678 | /* Skip leading whitespace */ | |
679 | cp = cp + strspn(cp, WHITESPACE); | |
680 | ||
681 | /* Ignore blank lines */ | |
682 | if (!*cp) | |
683 | return(-1); | |
684 | ||
685 | /* Figure out which command we have */ | |
184eed6a | 686 | for (i = 0; cmds[i].c; i++) { |
61e96248 | 687 | int cmdlen = strlen(cmds[i].c); |
688 | ||
689 | /* Check for command followed by whitespace */ | |
690 | if (!strncasecmp(cp, cmds[i].c, cmdlen) && | |
691 | strchr(WHITESPACE, cp[cmdlen])) { | |
692 | cp += cmdlen; | |
693 | cp = cp + strspn(cp, WHITESPACE); | |
694 | break; | |
695 | } | |
696 | } | |
697 | cmdnum = cmds[i].n; | |
698 | cmd = cmds[i].c; | |
699 | ||
700 | /* Special case */ | |
701 | if (*cp == '!') { | |
702 | cp++; | |
703 | cmdnum = I_SHELL; | |
704 | } else if (cmdnum == -1) { | |
705 | error("Invalid command."); | |
706 | return(-1); | |
707 | } | |
708 | ||
709 | /* Get arguments and parse flags */ | |
00b3ad3e | 710 | *lflag = *pflag = *n_arg = 0; |
61e96248 | 711 | *path1 = *path2 = NULL; |
712 | switch (cmdnum) { | |
713 | case I_GET: | |
714 | case I_PUT: | |
715 | if (parse_getput_flags(&cp, pflag)) | |
716 | return(-1); | |
717 | /* Get first pathname (mandatory) */ | |
718 | if (get_pathname(&cp, path1)) | |
719 | return(-1); | |
720 | if (*path1 == NULL) { | |
721 | error("You must specify at least one path after a " | |
722 | "%s command.", cmd); | |
723 | return(-1); | |
724 | } | |
725 | /* Try to get second pathname (optional) */ | |
726 | if (get_pathname(&cp, path2)) | |
727 | return(-1); | |
61e96248 | 728 | break; |
729 | case I_RENAME: | |
3a7fe5ba | 730 | case I_SYMLINK: |
61e96248 | 731 | if (get_pathname(&cp, path1)) |
732 | return(-1); | |
733 | if (get_pathname(&cp, path2)) | |
734 | return(-1); | |
735 | if (!*path1 || !*path2) { | |
736 | error("You must specify two paths after a %s " | |
737 | "command.", cmd); | |
738 | return(-1); | |
739 | } | |
740 | break; | |
741 | case I_RM: | |
742 | case I_MKDIR: | |
743 | case I_RMDIR: | |
744 | case I_CHDIR: | |
745 | case I_LCHDIR: | |
746 | case I_LMKDIR: | |
747 | /* Get pathname (mandatory) */ | |
748 | if (get_pathname(&cp, path1)) | |
749 | return(-1); | |
750 | if (*path1 == NULL) { | |
2b87da3b | 751 | error("You must specify a path after a %s command.", |
61e96248 | 752 | cmd); |
753 | return(-1); | |
754 | } | |
755 | break; | |
756 | case I_LS: | |
00b3ad3e | 757 | if (parse_ls_flags(&cp, lflag)) |
758 | return(-1); | |
61e96248 | 759 | /* Path is optional */ |
760 | if (get_pathname(&cp, path1)) | |
761 | return(-1); | |
762 | break; | |
763 | case I_LLS: | |
764 | case I_SHELL: | |
765 | /* Uses the rest of the line */ | |
766 | break; | |
767 | case I_LUMASK: | |
877546eb | 768 | base = 8; |
61e96248 | 769 | case I_CHMOD: |
ec2a033a | 770 | base = 8; |
61e96248 | 771 | case I_CHOWN: |
772 | case I_CHGRP: | |
773 | /* Get numeric arg (mandatory) */ | |
877546eb | 774 | l = strtol(cp, &cp2, base); |
775 | if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) && | |
776 | errno == ERANGE) || l < 0) { | |
61e96248 | 777 | error("You must supply a numeric argument " |
778 | "to the %s command.", cmd); | |
779 | return(-1); | |
780 | } | |
877546eb | 781 | cp = cp2; |
782 | *n_arg = l; | |
783 | if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp)) | |
784 | break; | |
785 | if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) { | |
61e96248 | 786 | error("You must supply a numeric argument " |
787 | "to the %s command.", cmd); | |
788 | return(-1); | |
789 | } | |
790 | cp += strspn(cp, WHITESPACE); | |
791 | ||
792 | /* Get pathname (mandatory) */ | |
793 | if (get_pathname(&cp, path1)) | |
794 | return(-1); | |
795 | if (*path1 == NULL) { | |
2b87da3b | 796 | error("You must specify a path after a %s command.", |
61e96248 | 797 | cmd); |
798 | return(-1); | |
799 | } | |
800 | break; | |
801 | case I_QUIT: | |
802 | case I_PWD: | |
803 | case I_LPWD: | |
804 | case I_HELP: | |
85cf5827 | 805 | case I_VERSION: |
61e96248 | 806 | break; |
807 | default: | |
808 | fatal("Command not implemented"); | |
809 | } | |
810 | ||
811 | *cpp = cp; | |
61e96248 | 812 | return(cmdnum); |
813 | } | |
814 | ||
396c147e | 815 | static int |
22e6c827 | 816 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd) |
61e96248 | 817 | { |
0426a3b4 | 818 | char *path1, *path2, *tmp; |
00b3ad3e | 819 | int pflag, lflag, cmdnum, i; |
61e96248 | 820 | unsigned long n_arg; |
821 | Attrib a, *aa; | |
7cc4cf0a | 822 | char path_buf[MAXPATHLEN]; |
a5ec8a3d | 823 | int err = 0; |
2e4fb373 | 824 | glob_t g; |
61e96248 | 825 | |
826 | path1 = path2 = NULL; | |
00b3ad3e | 827 | cmdnum = parse_args(&cmd, &pflag, &lflag, &n_arg, |
828 | &path1, &path2); | |
61e96248 | 829 | |
d50d9b63 | 830 | memset(&g, 0, sizeof(g)); |
831 | ||
61e96248 | 832 | /* Perform command */ |
833 | switch (cmdnum) { | |
834 | case -1: | |
835 | break; | |
836 | case I_GET: | |
22e6c827 | 837 | err = process_get(conn, path1, path2, *pwd, pflag); |
61e96248 | 838 | break; |
839 | case I_PUT: | |
22e6c827 | 840 | err = process_put(conn, path1, path2, *pwd, pflag); |
cd332296 | 841 | break; |
842 | case I_RENAME: | |
61e96248 | 843 | path1 = make_absolute(path1, *pwd); |
844 | path2 = make_absolute(path2, *pwd); | |
22e6c827 | 845 | err = do_rename(conn, path1, path2); |
61e96248 | 846 | break; |
3a7fe5ba | 847 | case I_SYMLINK: |
22e6c827 | 848 | path2 = make_absolute(path2, *pwd); |
849 | err = do_symlink(conn, path1, path2); | |
3a7fe5ba | 850 | break; |
61e96248 | 851 | case I_RM: |
852 | path1 = make_absolute(path1, *pwd); | |
22e6c827 | 853 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); |
184eed6a | 854 | for (i = 0; g.gl_pathv[i]; i++) { |
2e4fb373 | 855 | printf("Removing %s\n", g.gl_pathv[i]); |
22e6c827 | 856 | if (do_rm(conn, g.gl_pathv[i]) == -1) |
2e4fb373 | 857 | err = -1; |
858 | } | |
61e96248 | 859 | break; |
860 | case I_MKDIR: | |
861 | path1 = make_absolute(path1, *pwd); | |
862 | attrib_clear(&a); | |
863 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
864 | a.perm = 0777; | |
22e6c827 | 865 | err = do_mkdir(conn, path1, &a); |
61e96248 | 866 | break; |
867 | case I_RMDIR: | |
868 | path1 = make_absolute(path1, *pwd); | |
22e6c827 | 869 | err = do_rmdir(conn, path1); |
61e96248 | 870 | break; |
871 | case I_CHDIR: | |
872 | path1 = make_absolute(path1, *pwd); | |
22e6c827 | 873 | if ((tmp = do_realpath(conn, path1)) == NULL) { |
a5ec8a3d | 874 | err = 1; |
0426a3b4 | 875 | break; |
a5ec8a3d | 876 | } |
22e6c827 | 877 | if ((aa = do_stat(conn, tmp, 0)) == NULL) { |
0426a3b4 | 878 | xfree(tmp); |
a5ec8a3d | 879 | err = 1; |
0426a3b4 | 880 | break; |
881 | } | |
882 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { | |
883 | error("Can't change directory: Can't check target"); | |
884 | xfree(tmp); | |
a5ec8a3d | 885 | err = 1; |
0426a3b4 | 886 | break; |
887 | } | |
888 | if (!S_ISDIR(aa->perm)) { | |
889 | error("Can't change directory: \"%s\" is not " | |
890 | "a directory", tmp); | |
891 | xfree(tmp); | |
a5ec8a3d | 892 | err = 1; |
0426a3b4 | 893 | break; |
894 | } | |
61e96248 | 895 | xfree(*pwd); |
0426a3b4 | 896 | *pwd = tmp; |
61e96248 | 897 | break; |
898 | case I_LS: | |
0426a3b4 | 899 | if (!path1) { |
00b3ad3e | 900 | do_globbed_ls(conn, *pwd, *pwd, lflag); |
0426a3b4 | 901 | break; |
902 | } | |
b77a87e5 | 903 | |
00b3ad3e | 904 | /* Strip pwd off beginning of non-absolute paths */ |
905 | tmp = NULL; | |
906 | if (*path1 != '/') | |
907 | tmp = *pwd; | |
908 | ||
61e96248 | 909 | path1 = make_absolute(path1, *pwd); |
00b3ad3e | 910 | |
911 | do_globbed_ls(conn, path1, tmp, lflag); | |
61e96248 | 912 | break; |
913 | case I_LCHDIR: | |
a5ec8a3d | 914 | if (chdir(path1) == -1) { |
61e96248 | 915 | error("Couldn't change local directory to " |
916 | "\"%s\": %s", path1, strerror(errno)); | |
a5ec8a3d | 917 | err = 1; |
918 | } | |
61e96248 | 919 | break; |
920 | case I_LMKDIR: | |
a5ec8a3d | 921 | if (mkdir(path1, 0777) == -1) { |
0426a3b4 | 922 | error("Couldn't create local directory " |
61e96248 | 923 | "\"%s\": %s", path1, strerror(errno)); |
a5ec8a3d | 924 | err = 1; |
925 | } | |
61e96248 | 926 | break; |
927 | case I_LLS: | |
928 | local_do_ls(cmd); | |
929 | break; | |
930 | case I_SHELL: | |
931 | local_do_shell(cmd); | |
932 | break; | |
933 | case I_LUMASK: | |
934 | umask(n_arg); | |
877546eb | 935 | printf("Local umask: %03lo\n", n_arg); |
61e96248 | 936 | break; |
937 | case I_CHMOD: | |
938 | path1 = make_absolute(path1, *pwd); | |
939 | attrib_clear(&a); | |
940 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
941 | a.perm = n_arg; | |
22e6c827 | 942 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); |
184eed6a | 943 | for (i = 0; g.gl_pathv[i]; i++) { |
2e4fb373 | 944 | printf("Changing mode on %s\n", g.gl_pathv[i]); |
22e6c827 | 945 | do_setstat(conn, g.gl_pathv[i], &a); |
2e4fb373 | 946 | } |
ec2a033a | 947 | break; |
61e96248 | 948 | case I_CHOWN: |
949 | path1 = make_absolute(path1, *pwd); | |
22e6c827 | 950 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); |
184eed6a | 951 | for (i = 0; g.gl_pathv[i]; i++) { |
22e6c827 | 952 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) |
2e4fb373 | 953 | continue; |
954 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { | |
955 | error("Can't get current ownership of " | |
956 | "remote file \"%s\"", g.gl_pathv[i]); | |
957 | continue; | |
958 | } | |
959 | printf("Changing owner on %s\n", g.gl_pathv[i]); | |
960 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
961 | aa->uid = n_arg; | |
22e6c827 | 962 | do_setstat(conn, g.gl_pathv[i], aa); |
61e96248 | 963 | } |
61e96248 | 964 | break; |
965 | case I_CHGRP: | |
966 | path1 = make_absolute(path1, *pwd); | |
22e6c827 | 967 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); |
184eed6a | 968 | for (i = 0; g.gl_pathv[i]; i++) { |
22e6c827 | 969 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) |
2e4fb373 | 970 | continue; |
971 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { | |
972 | error("Can't get current ownership of " | |
973 | "remote file \"%s\"", g.gl_pathv[i]); | |
974 | continue; | |
975 | } | |
976 | printf("Changing group on %s\n", g.gl_pathv[i]); | |
977 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
978 | aa->gid = n_arg; | |
22e6c827 | 979 | do_setstat(conn, g.gl_pathv[i], aa); |
61e96248 | 980 | } |
61e96248 | 981 | break; |
982 | case I_PWD: | |
983 | printf("Remote working directory: %s\n", *pwd); | |
984 | break; | |
985 | case I_LPWD: | |
986 | if (!getcwd(path_buf, sizeof(path_buf))) | |
54b974dc | 987 | error("Couldn't get local cwd: %s", |
61e96248 | 988 | strerror(errno)); |
989 | else | |
990 | printf("Local working directory: %s\n", | |
991 | path_buf); | |
992 | break; | |
993 | case I_QUIT: | |
994 | return(-1); | |
995 | case I_HELP: | |
996 | help(); | |
997 | break; | |
85cf5827 | 998 | case I_VERSION: |
9906a836 | 999 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); |
85cf5827 | 1000 | break; |
61e96248 | 1001 | default: |
1002 | fatal("%d is not implemented", cmdnum); | |
1003 | } | |
1004 | ||
d50d9b63 | 1005 | if (g.gl_pathc) |
1006 | globfree(&g); | |
61e96248 | 1007 | if (path1) |
1008 | xfree(path1); | |
1009 | if (path2) | |
1010 | xfree(path2); | |
a5ec8a3d | 1011 | |
1012 | /* If an error occurs in batch mode we should abort. */ | |
1013 | if (infile != stdin && err > 0) | |
1014 | return -1; | |
1015 | ||
61e96248 | 1016 | return(0); |
1017 | } | |
1018 | ||
1019 | void | |
edeeab1e | 1020 | interactive_loop(int fd_in, int fd_out, char *file1, char *file2) |
61e96248 | 1021 | { |
1022 | char *pwd; | |
edeeab1e | 1023 | char *dir = NULL; |
61e96248 | 1024 | char cmd[2048]; |
22e6c827 | 1025 | struct sftp_conn *conn; |
61e96248 | 1026 | |
22e6c827 | 1027 | conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); |
1028 | if (conn == NULL) | |
3a7fe5ba | 1029 | fatal("Couldn't initialise connection to server"); |
1030 | ||
22e6c827 | 1031 | pwd = do_realpath(conn, "."); |
61e96248 | 1032 | if (pwd == NULL) |
1033 | fatal("Need cwd"); | |
1034 | ||
edeeab1e | 1035 | if (file1 != NULL) { |
1036 | dir = xstrdup(file1); | |
1037 | dir = make_absolute(dir, pwd); | |
1038 | ||
22e6c827 | 1039 | if (remote_is_dir(conn, dir) && file2 == NULL) { |
edeeab1e | 1040 | printf("Changing to: %s\n", dir); |
1041 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |
22e6c827 | 1042 | parse_dispatch_command(conn, cmd, &pwd); |
edeeab1e | 1043 | } else { |
1044 | if (file2 == NULL) | |
1045 | snprintf(cmd, sizeof cmd, "get %s", dir); | |
1046 | else | |
1047 | snprintf(cmd, sizeof cmd, "get %s %s", dir, | |
1048 | file2); | |
1049 | ||
22e6c827 | 1050 | parse_dispatch_command(conn, cmd, &pwd); |
702b7dd8 | 1051 | xfree(dir); |
edeeab1e | 1052 | return; |
1053 | } | |
702b7dd8 | 1054 | xfree(dir); |
edeeab1e | 1055 | } |
b81c369b | 1056 | #if HAVE_SETVBUF |
0426a3b4 | 1057 | setvbuf(stdout, NULL, _IOLBF, 0); |
a5ec8a3d | 1058 | setvbuf(infile, NULL, _IOLBF, 0); |
b81c369b | 1059 | #else |
1060 | setlinebuf(stdout); | |
1061 | setlinebuf(infile); | |
1062 | #endif | |
61e96248 | 1063 | |
184eed6a | 1064 | for (;;) { |
61e96248 | 1065 | char *cp; |
1066 | ||
1067 | printf("sftp> "); | |
1068 | ||
1069 | /* XXX: use libedit */ | |
a5ec8a3d | 1070 | if (fgets(cmd, sizeof(cmd), infile) == NULL) { |
61e96248 | 1071 | printf("\n"); |
1072 | break; | |
a5ec8a3d | 1073 | } else if (infile != stdin) /* Bluff typing */ |
1074 | printf("%s", cmd); | |
1075 | ||
61e96248 | 1076 | cp = strrchr(cmd, '\n'); |
1077 | if (cp) | |
1078 | *cp = '\0'; | |
a5ec8a3d | 1079 | |
22e6c827 | 1080 | if (parse_dispatch_command(conn, cmd, &pwd)) |
61e96248 | 1081 | break; |
1082 | } | |
1083 | xfree(pwd); | |
1084 | } |