]>
Commit | Line | Data |
---|---|---|
3c0ef626 | 1 | /* |
416fd2a8 | 2 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
3c0ef626 | 3 | * |
416fd2a8 | 4 | * Permission to use, copy, modify, and distribute this software for any |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
3c0ef626 | 7 | * |
416fd2a8 | 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
3c0ef626 | 15 | */ |
16 | ||
17 | #include "includes.h" | |
18 | ||
416fd2a8 | 19 | RCSID("$OpenBSD: sftp.c,v 1.44 2004/02/17 11:03:08 djm Exp $"); |
3c0ef626 | 20 | |
21 | #include "buffer.h" | |
22 | #include "xmalloc.h" | |
23 | #include "log.h" | |
24 | #include "pathnames.h" | |
25 | #include "misc.h" | |
26 | ||
27 | #include "sftp.h" | |
28 | #include "sftp-common.h" | |
29 | #include "sftp-client.h" | |
416fd2a8 | 30 | |
31 | /* File to read commands from */ | |
32 | FILE* infile; | |
33 | ||
34 | /* Are we in batchfile mode? */ | |
35 | int batchmode = 0; | |
36 | ||
37 | /* Size of buffer used when copying files */ | |
38 | size_t copy_buffer_len = 32768; | |
39 | ||
40 | /* Number of concurrent outstanding requests */ | |
41 | size_t num_requests = 16; | |
42 | ||
43 | /* PID of ssh transport process */ | |
44 | static pid_t sshpid = -1; | |
45 | ||
46 | /* This is set to 0 if the progressmeter is not desired. */ | |
47 | int showprogress; | |
48 | ||
49 | int remote_glob(struct sftp_conn *, const char *, int, | |
50 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ | |
3c0ef626 | 51 | |
52 | #ifdef HAVE___PROGNAME | |
53 | extern char *__progname; | |
54 | #else | |
55 | char *__progname; | |
56 | #endif | |
57 | ||
416fd2a8 | 58 | /* Separators for interactive commands */ |
59 | #define WHITESPACE " \t\r\n" | |
60 | ||
61 | /* Define what type of ls view (0 - multi-column) */ | |
62 | #define LONG_VIEW 1 /* Full view ala ls -l */ | |
63 | #define SHORT_VIEW 2 /* Single row view ala ls -1 */ | |
64 | ||
65 | /* Commands for interactive mode */ | |
66 | #define I_CHDIR 1 | |
67 | #define I_CHGRP 2 | |
68 | #define I_CHMOD 3 | |
69 | #define I_CHOWN 4 | |
70 | #define I_GET 5 | |
71 | #define I_HELP 6 | |
72 | #define I_LCHDIR 7 | |
73 | #define I_LLS 8 | |
74 | #define I_LMKDIR 9 | |
75 | #define I_LPWD 10 | |
76 | #define I_LS 11 | |
77 | #define I_LUMASK 12 | |
78 | #define I_MKDIR 13 | |
79 | #define I_PUT 14 | |
80 | #define I_PWD 15 | |
81 | #define I_QUIT 16 | |
82 | #define I_RENAME 17 | |
83 | #define I_RM 18 | |
84 | #define I_RMDIR 19 | |
85 | #define I_SHELL 20 | |
86 | #define I_SYMLINK 21 | |
87 | #define I_VERSION 22 | |
88 | #define I_PROGRESS 23 | |
89 | ||
90 | struct CMD { | |
91 | const char *c; | |
92 | const int n; | |
93 | }; | |
94 | ||
95 | static const struct CMD cmds[] = { | |
96 | { "bye", I_QUIT }, | |
97 | { "cd", I_CHDIR }, | |
98 | { "chdir", I_CHDIR }, | |
99 | { "chgrp", I_CHGRP }, | |
100 | { "chmod", I_CHMOD }, | |
101 | { "chown", I_CHOWN }, | |
102 | { "dir", I_LS }, | |
103 | { "exit", I_QUIT }, | |
104 | { "get", I_GET }, | |
105 | { "mget", I_GET }, | |
106 | { "help", I_HELP }, | |
107 | { "lcd", I_LCHDIR }, | |
108 | { "lchdir", I_LCHDIR }, | |
109 | { "lls", I_LLS }, | |
110 | { "lmkdir", I_LMKDIR }, | |
111 | { "ln", I_SYMLINK }, | |
112 | { "lpwd", I_LPWD }, | |
113 | { "ls", I_LS }, | |
114 | { "lumask", I_LUMASK }, | |
115 | { "mkdir", I_MKDIR }, | |
116 | { "progress", I_PROGRESS }, | |
117 | { "put", I_PUT }, | |
118 | { "mput", I_PUT }, | |
119 | { "pwd", I_PWD }, | |
120 | { "quit", I_QUIT }, | |
121 | { "rename", I_RENAME }, | |
122 | { "rm", I_RM }, | |
123 | { "rmdir", I_RMDIR }, | |
124 | { "symlink", I_SYMLINK }, | |
125 | { "version", I_VERSION }, | |
126 | { "!", I_SHELL }, | |
127 | { "?", I_HELP }, | |
128 | { NULL, -1} | |
129 | }; | |
3c0ef626 | 130 | |
416fd2a8 | 131 | int interactive_loop(int fd_in, int fd_out, char *file1, char *file2); |
132 | ||
133 | static void | |
134 | help(void) | |
135 | { | |
136 | printf("Available commands:\n"); | |
137 | printf("cd path Change remote directory to 'path'\n"); | |
138 | printf("lcd path Change local directory to 'path'\n"); | |
139 | printf("chgrp grp path Change group of file 'path' to 'grp'\n"); | |
140 | printf("chmod mode path Change permissions of file 'path' to 'mode'\n"); | |
141 | printf("chown own path Change owner of file 'path' to 'own'\n"); | |
142 | printf("help Display this help text\n"); | |
143 | printf("get remote-path [local-path] Download file\n"); | |
144 | printf("lls [ls-options [path]] Display local directory listing\n"); | |
145 | printf("ln oldpath newpath Symlink remote file\n"); | |
146 | printf("lmkdir path Create local directory\n"); | |
147 | printf("lpwd Print local working directory\n"); | |
148 | printf("ls [path] Display remote directory listing\n"); | |
149 | printf("lumask umask Set local umask to 'umask'\n"); | |
150 | printf("mkdir path Create remote directory\n"); | |
151 | printf("progress Toggle display of progress meter\n"); | |
152 | printf("put local-path [remote-path] Upload file\n"); | |
153 | printf("pwd Display remote working directory\n"); | |
154 | printf("exit Quit sftp\n"); | |
155 | printf("quit Quit sftp\n"); | |
156 | printf("rename oldpath newpath Rename remote file\n"); | |
157 | printf("rmdir path Remove remote directory\n"); | |
158 | printf("rm path Delete remote file\n"); | |
159 | printf("symlink oldpath newpath Symlink remote file\n"); | |
160 | printf("version Show SFTP version\n"); | |
161 | printf("!command Execute 'command' in local shell\n"); | |
162 | printf("! Escape to local shell\n"); | |
163 | printf("? Synonym for help\n"); | |
164 | } | |
165 | ||
166 | static void | |
167 | local_do_shell(const char *args) | |
168 | { | |
169 | int status; | |
170 | char *shell; | |
171 | pid_t pid; | |
172 | ||
173 | if (!*args) | |
174 | args = NULL; | |
175 | ||
176 | if ((shell = getenv("SHELL")) == NULL) | |
177 | shell = _PATH_BSHELL; | |
178 | ||
179 | if ((pid = fork()) == -1) | |
180 | fatal("Couldn't fork: %s", strerror(errno)); | |
181 | ||
182 | if (pid == 0) { | |
183 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |
184 | if (args) { | |
185 | debug3("Executing %s -c \"%s\"", shell, args); | |
186 | execl(shell, shell, "-c", args, (char *)NULL); | |
187 | } else { | |
188 | debug3("Executing %s", shell); | |
189 | execl(shell, shell, (char *)NULL); | |
190 | } | |
191 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, | |
192 | strerror(errno)); | |
193 | _exit(1); | |
194 | } | |
195 | while (waitpid(pid, &status, 0) == -1) | |
196 | if (errno != EINTR) | |
197 | fatal("Couldn't wait for child: %s", strerror(errno)); | |
198 | if (!WIFEXITED(status)) | |
199 | error("Shell exited abormally"); | |
200 | else if (WEXITSTATUS(status)) | |
201 | error("Shell exited with status %d", WEXITSTATUS(status)); | |
202 | } | |
203 | ||
204 | static void | |
205 | local_do_ls(const char *args) | |
206 | { | |
207 | if (!args || !*args) | |
208 | local_do_shell(_PATH_LS); | |
209 | else { | |
210 | int len = strlen(_PATH_LS " ") + strlen(args) + 1; | |
211 | char *buf = xmalloc(len); | |
212 | ||
213 | /* XXX: quoting - rip quoting code from ftp? */ | |
214 | snprintf(buf, len, _PATH_LS " %s", args); | |
215 | local_do_shell(buf); | |
216 | xfree(buf); | |
217 | } | |
218 | } | |
219 | ||
220 | /* Strip one path (usually the pwd) from the start of another */ | |
221 | static char * | |
222 | path_strip(char *path, char *strip) | |
223 | { | |
224 | size_t len; | |
225 | ||
226 | if (strip == NULL) | |
227 | return (xstrdup(path)); | |
228 | ||
229 | len = strlen(strip); | |
230 | if (strip != NULL && strncmp(path, strip, len) == 0) { | |
231 | if (strip[len - 1] != '/' && path[len] == '/') | |
232 | len++; | |
233 | return (xstrdup(path + len)); | |
234 | } | |
235 | ||
236 | return (xstrdup(path)); | |
237 | } | |
238 | ||
239 | static char * | |
240 | path_append(char *p1, char *p2) | |
241 | { | |
242 | char *ret; | |
243 | int len = strlen(p1) + strlen(p2) + 2; | |
244 | ||
245 | ret = xmalloc(len); | |
246 | strlcpy(ret, p1, len); | |
247 | if (p1[strlen(p1) - 1] != '/') | |
248 | strlcat(ret, "/", len); | |
249 | strlcat(ret, p2, len); | |
250 | ||
251 | return(ret); | |
252 | } | |
253 | ||
254 | static char * | |
255 | make_absolute(char *p, char *pwd) | |
256 | { | |
257 | char *abs; | |
258 | ||
259 | /* Derelativise */ | |
260 | if (p && p[0] != '/') { | |
261 | abs = path_append(pwd, p); | |
262 | xfree(p); | |
263 | return(abs); | |
264 | } else | |
265 | return(p); | |
266 | } | |
267 | ||
268 | static int | |
269 | infer_path(const char *p, char **ifp) | |
270 | { | |
271 | char *cp; | |
272 | ||
273 | cp = strrchr(p, '/'); | |
274 | if (cp == NULL) { | |
275 | *ifp = xstrdup(p); | |
276 | return(0); | |
277 | } | |
278 | ||
279 | if (!cp[1]) { | |
280 | error("Invalid path"); | |
281 | return(-1); | |
282 | } | |
283 | ||
284 | *ifp = xstrdup(cp + 1); | |
285 | return(0); | |
286 | } | |
287 | ||
288 | static int | |
289 | parse_getput_flags(const char **cpp, int *pflag) | |
290 | { | |
291 | const char *cp = *cpp; | |
292 | ||
293 | /* Check for flags */ | |
294 | if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) { | |
295 | switch (cp[1]) { | |
296 | case 'p': | |
297 | case 'P': | |
298 | *pflag = 1; | |
299 | break; | |
300 | default: | |
301 | error("Invalid flag -%c", cp[1]); | |
302 | return(-1); | |
303 | } | |
304 | cp += 2; | |
305 | *cpp = cp + strspn(cp, WHITESPACE); | |
306 | } | |
307 | ||
308 | return(0); | |
309 | } | |
310 | ||
311 | static int | |
312 | parse_ls_flags(const char **cpp, int *lflag) | |
313 | { | |
314 | const char *cp = *cpp; | |
315 | ||
316 | /* Check for flags */ | |
317 | if (cp++[0] == '-') { | |
318 | for(; strchr(WHITESPACE, *cp) == NULL; cp++) { | |
319 | switch (*cp) { | |
320 | case 'l': | |
321 | *lflag = LONG_VIEW; | |
322 | break; | |
323 | case '1': | |
324 | *lflag = SHORT_VIEW; | |
325 | break; | |
326 | default: | |
327 | error("Invalid flag -%c", *cp); | |
328 | return(-1); | |
329 | } | |
330 | } | |
331 | *cpp = cp + strspn(cp, WHITESPACE); | |
332 | } | |
333 | ||
334 | return(0); | |
335 | } | |
336 | ||
337 | static int | |
338 | get_pathname(const char **cpp, char **path) | |
339 | { | |
340 | const char *cp = *cpp, *end; | |
341 | char quot; | |
342 | int i, j; | |
343 | ||
344 | cp += strspn(cp, WHITESPACE); | |
345 | if (!*cp) { | |
346 | *cpp = cp; | |
347 | *path = NULL; | |
348 | return (0); | |
349 | } | |
350 | ||
351 | *path = xmalloc(strlen(cp) + 1); | |
352 | ||
353 | /* Check for quoted filenames */ | |
354 | if (*cp == '\"' || *cp == '\'') { | |
355 | quot = *cp++; | |
356 | ||
357 | /* Search for terminating quote, unescape some chars */ | |
358 | for (i = j = 0; i <= strlen(cp); i++) { | |
359 | if (cp[i] == quot) { /* Found quote */ | |
360 | i++; | |
361 | (*path)[j] = '\0'; | |
362 | break; | |
363 | } | |
364 | if (cp[i] == '\0') { /* End of string */ | |
365 | error("Unterminated quote"); | |
366 | goto fail; | |
367 | } | |
368 | if (cp[i] == '\\') { /* Escaped characters */ | |
369 | i++; | |
370 | if (cp[i] != '\'' && cp[i] != '\"' && | |
371 | cp[i] != '\\') { | |
372 | error("Bad escaped character '\%c'", | |
373 | cp[i]); | |
374 | goto fail; | |
375 | } | |
376 | } | |
377 | (*path)[j++] = cp[i]; | |
378 | } | |
379 | ||
380 | if (j == 0) { | |
381 | error("Empty quotes"); | |
382 | goto fail; | |
383 | } | |
384 | *cpp = cp + i + strspn(cp + i, WHITESPACE); | |
385 | } else { | |
386 | /* Read to end of filename */ | |
387 | end = strpbrk(cp, WHITESPACE); | |
388 | if (end == NULL) | |
389 | end = strchr(cp, '\0'); | |
390 | *cpp = end + strspn(end, WHITESPACE); | |
391 | ||
392 | memcpy(*path, cp, end - cp); | |
393 | (*path)[end - cp] = '\0'; | |
394 | } | |
395 | return (0); | |
396 | ||
397 | fail: | |
398 | xfree(*path); | |
399 | *path = NULL; | |
400 | return (-1); | |
401 | } | |
402 | ||
403 | static int | |
404 | is_dir(char *path) | |
405 | { | |
406 | struct stat sb; | |
407 | ||
408 | /* XXX: report errors? */ | |
409 | if (stat(path, &sb) == -1) | |
410 | return(0); | |
411 | ||
412 | return(sb.st_mode & S_IFDIR); | |
413 | } | |
414 | ||
415 | static int | |
416 | is_reg(char *path) | |
417 | { | |
418 | struct stat sb; | |
419 | ||
420 | if (stat(path, &sb) == -1) | |
421 | fatal("stat %s: %s", path, strerror(errno)); | |
422 | ||
423 | return(S_ISREG(sb.st_mode)); | |
424 | } | |
425 | ||
426 | static int | |
427 | remote_is_dir(struct sftp_conn *conn, char *path) | |
428 | { | |
429 | Attrib *a; | |
430 | ||
431 | /* XXX: report errors? */ | |
432 | if ((a = do_stat(conn, path, 1)) == NULL) | |
433 | return(0); | |
434 | if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) | |
435 | return(0); | |
436 | return(a->perm & S_IFDIR); | |
437 | } | |
438 | ||
439 | static int | |
440 | process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
441 | { | |
442 | char *abs_src = NULL; | |
443 | char *abs_dst = NULL; | |
444 | char *tmp; | |
445 | glob_t g; | |
446 | int err = 0; | |
447 | int i; | |
448 | ||
449 | abs_src = xstrdup(src); | |
450 | abs_src = make_absolute(abs_src, pwd); | |
451 | ||
452 | memset(&g, 0, sizeof(g)); | |
453 | debug3("Looking up %s", abs_src); | |
454 | if (remote_glob(conn, abs_src, 0, NULL, &g)) { | |
455 | error("File \"%s\" not found.", abs_src); | |
456 | err = -1; | |
457 | goto out; | |
458 | } | |
459 | ||
460 | /* If multiple matches, dst must be a directory or unspecified */ | |
461 | if (g.gl_matchc > 1 && dst && !is_dir(dst)) { | |
462 | error("Multiple files match, but \"%s\" is not a directory", | |
463 | dst); | |
464 | err = -1; | |
465 | goto out; | |
466 | } | |
467 | ||
468 | for (i = 0; g.gl_pathv[i]; i++) { | |
469 | if (infer_path(g.gl_pathv[i], &tmp)) { | |
470 | err = -1; | |
471 | goto out; | |
472 | } | |
473 | ||
474 | if (g.gl_matchc == 1 && dst) { | |
475 | /* If directory specified, append filename */ | |
476 | if (is_dir(dst)) { | |
477 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
478 | err = 1; | |
479 | goto out; | |
480 | } | |
481 | abs_dst = path_append(dst, tmp); | |
482 | xfree(tmp); | |
483 | } else | |
484 | abs_dst = xstrdup(dst); | |
485 | } else if (dst) { | |
486 | abs_dst = path_append(dst, tmp); | |
487 | xfree(tmp); | |
488 | } else | |
489 | abs_dst = tmp; | |
490 | ||
491 | printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); | |
492 | if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
493 | err = -1; | |
494 | xfree(abs_dst); | |
495 | abs_dst = NULL; | |
496 | } | |
497 | ||
498 | out: | |
499 | xfree(abs_src); | |
500 | if (abs_dst) | |
501 | xfree(abs_dst); | |
502 | globfree(&g); | |
503 | return(err); | |
504 | } | |
505 | ||
506 | static int | |
507 | process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
508 | { | |
509 | char *tmp_dst = NULL; | |
510 | char *abs_dst = NULL; | |
511 | char *tmp; | |
512 | glob_t g; | |
513 | int err = 0; | |
514 | int i; | |
515 | ||
516 | if (dst) { | |
517 | tmp_dst = xstrdup(dst); | |
518 | tmp_dst = make_absolute(tmp_dst, pwd); | |
519 | } | |
520 | ||
521 | memset(&g, 0, sizeof(g)); | |
522 | debug3("Looking up %s", src); | |
523 | if (glob(src, 0, NULL, &g)) { | |
524 | error("File \"%s\" not found.", src); | |
525 | err = -1; | |
526 | goto out; | |
527 | } | |
528 | ||
529 | /* If multiple matches, dst may be directory or unspecified */ | |
530 | if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) { | |
531 | error("Multiple files match, but \"%s\" is not a directory", | |
532 | tmp_dst); | |
533 | err = -1; | |
534 | goto out; | |
535 | } | |
536 | ||
537 | for (i = 0; g.gl_pathv[i]; i++) { | |
538 | if (!is_reg(g.gl_pathv[i])) { | |
539 | error("skipping non-regular file %s", | |
540 | g.gl_pathv[i]); | |
541 | continue; | |
542 | } | |
543 | if (infer_path(g.gl_pathv[i], &tmp)) { | |
544 | err = -1; | |
545 | goto out; | |
546 | } | |
547 | ||
548 | if (g.gl_matchc == 1 && tmp_dst) { | |
549 | /* If directory specified, append filename */ | |
550 | if (remote_is_dir(conn, tmp_dst)) { | |
551 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
552 | err = 1; | |
553 | goto out; | |
554 | } | |
555 | abs_dst = path_append(tmp_dst, tmp); | |
556 | xfree(tmp); | |
557 | } else | |
558 | abs_dst = xstrdup(tmp_dst); | |
559 | ||
560 | } else if (tmp_dst) { | |
561 | abs_dst = path_append(tmp_dst, tmp); | |
562 | xfree(tmp); | |
563 | } else | |
564 | abs_dst = make_absolute(tmp, pwd); | |
565 | ||
566 | printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); | |
567 | if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
568 | err = -1; | |
569 | } | |
570 | ||
571 | out: | |
572 | if (abs_dst) | |
573 | xfree(abs_dst); | |
574 | if (tmp_dst) | |
575 | xfree(tmp_dst); | |
576 | globfree(&g); | |
577 | return(err); | |
578 | } | |
579 | ||
580 | static int | |
581 | sdirent_comp(const void *aa, const void *bb) | |
582 | { | |
583 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |
584 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |
585 | ||
586 | return (strcmp(a->filename, b->filename)); | |
587 | } | |
588 | ||
589 | /* sftp ls.1 replacement for directories */ | |
590 | static int | |
591 | do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) | |
592 | { | |
593 | int n, c = 1, colspace = 0, columns = 1; | |
594 | SFTP_DIRENT **d; | |
595 | ||
596 | if ((n = do_readdir(conn, path, &d)) != 0) | |
597 | return (n); | |
598 | ||
599 | if (!(lflag & SHORT_VIEW)) { | |
600 | int m = 0, width = 80; | |
601 | struct winsize ws; | |
602 | char *tmp; | |
603 | ||
604 | /* Count entries for sort and find longest filename */ | |
605 | for (n = 0; d[n] != NULL; n++) | |
606 | m = MAX(m, strlen(d[n]->filename)); | |
607 | ||
608 | /* Add any subpath that also needs to be counted */ | |
609 | tmp = path_strip(path, strip_path); | |
610 | m += strlen(tmp); | |
611 | xfree(tmp); | |
612 | ||
613 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
614 | width = ws.ws_col; | |
615 | ||
616 | columns = width / (m + 2); | |
617 | columns = MAX(columns, 1); | |
618 | colspace = width / columns; | |
619 | colspace = MIN(colspace, width); | |
620 | } | |
621 | ||
622 | qsort(d, n, sizeof(*d), sdirent_comp); | |
623 | ||
624 | for (n = 0; d[n] != NULL; n++) { | |
625 | char *tmp, *fname; | |
626 | ||
627 | tmp = path_append(path, d[n]->filename); | |
628 | fname = path_strip(tmp, strip_path); | |
629 | xfree(tmp); | |
630 | ||
631 | if (lflag & LONG_VIEW) { | |
632 | char *lname; | |
633 | struct stat sb; | |
634 | ||
635 | memset(&sb, 0, sizeof(sb)); | |
636 | attrib_to_stat(&d[n]->a, &sb); | |
637 | lname = ls_file(fname, &sb, 1); | |
638 | printf("%s\n", lname); | |
639 | xfree(lname); | |
640 | } else { | |
641 | printf("%-*s", colspace, fname); | |
642 | if (c >= columns) { | |
643 | printf("\n"); | |
644 | c = 1; | |
645 | } else | |
646 | c++; | |
647 | } | |
648 | ||
649 | xfree(fname); | |
650 | } | |
651 | ||
652 | if (!(lflag & LONG_VIEW) && (c != 1)) | |
653 | printf("\n"); | |
654 | ||
655 | free_sftp_dirents(d); | |
656 | return (0); | |
657 | } | |
658 | ||
659 | /* sftp ls.1 replacement which handles path globs */ | |
660 | static int | |
661 | do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, | |
662 | int lflag) | |
663 | { | |
664 | glob_t g; | |
665 | int i, c = 1, colspace = 0, columns = 1; | |
666 | Attrib *a; | |
667 | ||
668 | memset(&g, 0, sizeof(g)); | |
669 | ||
670 | if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, | |
671 | NULL, &g)) { | |
672 | error("Can't ls: \"%s\" not found", path); | |
673 | return (-1); | |
674 | } | |
675 | ||
676 | /* | |
677 | * If the glob returns a single match, which is the same as the | |
678 | * input glob, and it is a directory, then just list its contents | |
679 | */ | |
680 | if (g.gl_pathc == 1 && | |
681 | strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) { | |
682 | if ((a = do_lstat(conn, path, 1)) == NULL) { | |
683 | globfree(&g); | |
684 | return (-1); | |
685 | } | |
686 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && | |
687 | S_ISDIR(a->perm)) { | |
688 | globfree(&g); | |
689 | return (do_ls_dir(conn, path, strip_path, lflag)); | |
690 | } | |
691 | } | |
692 | ||
693 | if (!(lflag & SHORT_VIEW)) { | |
694 | int m = 0, width = 80; | |
695 | struct winsize ws; | |
696 | ||
697 | /* Count entries for sort and find longest filename */ | |
698 | for (i = 0; g.gl_pathv[i]; i++) | |
699 | m = MAX(m, strlen(g.gl_pathv[i])); | |
700 | ||
701 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
702 | width = ws.ws_col; | |
703 | ||
704 | columns = width / (m + 2); | |
705 | columns = MAX(columns, 1); | |
706 | colspace = width / columns; | |
707 | } | |
708 | ||
709 | for (i = 0; g.gl_pathv[i]; i++) { | |
710 | char *fname; | |
711 | ||
712 | fname = path_strip(g.gl_pathv[i], strip_path); | |
713 | ||
714 | if (lflag & LONG_VIEW) { | |
715 | char *lname; | |
716 | struct stat sb; | |
717 | ||
718 | /* | |
719 | * XXX: this is slow - 1 roundtrip per path | |
720 | * A solution to this is to fork glob() and | |
721 | * build a sftp specific version which keeps the | |
722 | * attribs (which currently get thrown away) | |
723 | * that the server returns as well as the filenames. | |
724 | */ | |
725 | memset(&sb, 0, sizeof(sb)); | |
726 | a = do_lstat(conn, g.gl_pathv[i], 1); | |
727 | if (a != NULL) | |
728 | attrib_to_stat(a, &sb); | |
729 | lname = ls_file(fname, &sb, 1); | |
730 | printf("%s\n", lname); | |
731 | xfree(lname); | |
732 | } else { | |
733 | printf("%-*s", colspace, fname); | |
734 | if (c >= columns) { | |
735 | printf("\n"); | |
736 | c = 1; | |
737 | } else | |
738 | c++; | |
739 | } | |
740 | xfree(fname); | |
741 | } | |
742 | ||
743 | if (!(lflag & LONG_VIEW) && (c != 1)) | |
744 | printf("\n"); | |
745 | ||
746 | if (g.gl_pathc) | |
747 | globfree(&g); | |
748 | ||
749 | return (0); | |
750 | } | |
751 | ||
752 | static int | |
753 | parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, | |
754 | unsigned long *n_arg, char **path1, char **path2) | |
755 | { | |
756 | const char *cmd, *cp = *cpp; | |
757 | char *cp2; | |
758 | int base = 0; | |
759 | long l; | |
760 | int i, cmdnum; | |
761 | ||
762 | /* Skip leading whitespace */ | |
763 | cp = cp + strspn(cp, WHITESPACE); | |
764 | ||
765 | /* Ignore blank lines and lines which begin with comment '#' char */ | |
766 | if (*cp == '\0' || *cp == '#') | |
767 | return (0); | |
768 | ||
769 | /* Check for leading '-' (disable error processing) */ | |
770 | *iflag = 0; | |
771 | if (*cp == '-') { | |
772 | *iflag = 1; | |
773 | cp++; | |
774 | } | |
775 | ||
776 | /* Figure out which command we have */ | |
777 | for (i = 0; cmds[i].c; i++) { | |
778 | int cmdlen = strlen(cmds[i].c); | |
779 | ||
780 | /* Check for command followed by whitespace */ | |
781 | if (!strncasecmp(cp, cmds[i].c, cmdlen) && | |
782 | strchr(WHITESPACE, cp[cmdlen])) { | |
783 | cp += cmdlen; | |
784 | cp = cp + strspn(cp, WHITESPACE); | |
785 | break; | |
786 | } | |
787 | } | |
788 | cmdnum = cmds[i].n; | |
789 | cmd = cmds[i].c; | |
790 | ||
791 | /* Special case */ | |
792 | if (*cp == '!') { | |
793 | cp++; | |
794 | cmdnum = I_SHELL; | |
795 | } else if (cmdnum == -1) { | |
796 | error("Invalid command."); | |
797 | return (-1); | |
798 | } | |
799 | ||
800 | /* Get arguments and parse flags */ | |
801 | *lflag = *pflag = *n_arg = 0; | |
802 | *path1 = *path2 = NULL; | |
803 | switch (cmdnum) { | |
804 | case I_GET: | |
805 | case I_PUT: | |
806 | if (parse_getput_flags(&cp, pflag)) | |
807 | return(-1); | |
808 | /* Get first pathname (mandatory) */ | |
809 | if (get_pathname(&cp, path1)) | |
810 | return(-1); | |
811 | if (*path1 == NULL) { | |
812 | error("You must specify at least one path after a " | |
813 | "%s command.", cmd); | |
814 | return(-1); | |
815 | } | |
816 | /* Try to get second pathname (optional) */ | |
817 | if (get_pathname(&cp, path2)) | |
818 | return(-1); | |
819 | break; | |
820 | case I_RENAME: | |
821 | case I_SYMLINK: | |
822 | if (get_pathname(&cp, path1)) | |
823 | return(-1); | |
824 | if (get_pathname(&cp, path2)) | |
825 | return(-1); | |
826 | if (!*path1 || !*path2) { | |
827 | error("You must specify two paths after a %s " | |
828 | "command.", cmd); | |
829 | return(-1); | |
830 | } | |
831 | break; | |
832 | case I_RM: | |
833 | case I_MKDIR: | |
834 | case I_RMDIR: | |
835 | case I_CHDIR: | |
836 | case I_LCHDIR: | |
837 | case I_LMKDIR: | |
838 | /* Get pathname (mandatory) */ | |
839 | if (get_pathname(&cp, path1)) | |
840 | return(-1); | |
841 | if (*path1 == NULL) { | |
842 | error("You must specify a path after a %s command.", | |
843 | cmd); | |
844 | return(-1); | |
845 | } | |
846 | break; | |
847 | case I_LS: | |
848 | if (parse_ls_flags(&cp, lflag)) | |
849 | return(-1); | |
850 | /* Path is optional */ | |
851 | if (get_pathname(&cp, path1)) | |
852 | return(-1); | |
853 | break; | |
854 | case I_LLS: | |
855 | case I_SHELL: | |
856 | /* Uses the rest of the line */ | |
857 | break; | |
858 | case I_LUMASK: | |
859 | base = 8; | |
860 | case I_CHMOD: | |
861 | base = 8; | |
862 | case I_CHOWN: | |
863 | case I_CHGRP: | |
864 | /* Get numeric arg (mandatory) */ | |
865 | l = strtol(cp, &cp2, base); | |
866 | if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) && | |
867 | errno == ERANGE) || l < 0) { | |
868 | error("You must supply a numeric argument " | |
869 | "to the %s command.", cmd); | |
870 | return(-1); | |
871 | } | |
872 | cp = cp2; | |
873 | *n_arg = l; | |
874 | if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp)) | |
875 | break; | |
876 | if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) { | |
877 | error("You must supply a numeric argument " | |
878 | "to the %s command.", cmd); | |
879 | return(-1); | |
880 | } | |
881 | cp += strspn(cp, WHITESPACE); | |
882 | ||
883 | /* Get pathname (mandatory) */ | |
884 | if (get_pathname(&cp, path1)) | |
885 | return(-1); | |
886 | if (*path1 == NULL) { | |
887 | error("You must specify a path after a %s command.", | |
888 | cmd); | |
889 | return(-1); | |
890 | } | |
891 | break; | |
892 | case I_QUIT: | |
893 | case I_PWD: | |
894 | case I_LPWD: | |
895 | case I_HELP: | |
896 | case I_VERSION: | |
897 | case I_PROGRESS: | |
898 | break; | |
899 | default: | |
900 | fatal("Command not implemented"); | |
901 | } | |
902 | ||
903 | *cpp = cp; | |
904 | return(cmdnum); | |
905 | } | |
906 | ||
907 | static int | |
908 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, | |
909 | int err_abort) | |
910 | { | |
911 | char *path1, *path2, *tmp; | |
912 | int pflag, lflag, iflag, cmdnum, i; | |
913 | unsigned long n_arg; | |
914 | Attrib a, *aa; | |
915 | char path_buf[MAXPATHLEN]; | |
916 | int err = 0; | |
917 | glob_t g; | |
918 | ||
919 | path1 = path2 = NULL; | |
920 | cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg, | |
921 | &path1, &path2); | |
922 | ||
923 | if (iflag != 0) | |
924 | err_abort = 0; | |
925 | ||
926 | memset(&g, 0, sizeof(g)); | |
927 | ||
928 | /* Perform command */ | |
929 | switch (cmdnum) { | |
930 | case 0: | |
931 | /* Blank line */ | |
932 | break; | |
933 | case -1: | |
934 | /* Unrecognized command */ | |
935 | err = -1; | |
936 | break; | |
937 | case I_GET: | |
938 | err = process_get(conn, path1, path2, *pwd, pflag); | |
939 | break; | |
940 | case I_PUT: | |
941 | err = process_put(conn, path1, path2, *pwd, pflag); | |
942 | break; | |
943 | case I_RENAME: | |
944 | path1 = make_absolute(path1, *pwd); | |
945 | path2 = make_absolute(path2, *pwd); | |
946 | err = do_rename(conn, path1, path2); | |
947 | break; | |
948 | case I_SYMLINK: | |
949 | path2 = make_absolute(path2, *pwd); | |
950 | err = do_symlink(conn, path1, path2); | |
951 | break; | |
952 | case I_RM: | |
953 | path1 = make_absolute(path1, *pwd); | |
954 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
955 | for (i = 0; g.gl_pathv[i]; i++) { | |
956 | printf("Removing %s\n", g.gl_pathv[i]); | |
957 | err = do_rm(conn, g.gl_pathv[i]); | |
958 | if (err != 0 && err_abort) | |
959 | break; | |
960 | } | |
961 | break; | |
962 | case I_MKDIR: | |
963 | path1 = make_absolute(path1, *pwd); | |
964 | attrib_clear(&a); | |
965 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
966 | a.perm = 0777; | |
967 | err = do_mkdir(conn, path1, &a); | |
968 | break; | |
969 | case I_RMDIR: | |
970 | path1 = make_absolute(path1, *pwd); | |
971 | err = do_rmdir(conn, path1); | |
972 | break; | |
973 | case I_CHDIR: | |
974 | path1 = make_absolute(path1, *pwd); | |
975 | if ((tmp = do_realpath(conn, path1)) == NULL) { | |
976 | err = 1; | |
977 | break; | |
978 | } | |
979 | if ((aa = do_stat(conn, tmp, 0)) == NULL) { | |
980 | xfree(tmp); | |
981 | err = 1; | |
982 | break; | |
983 | } | |
984 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { | |
985 | error("Can't change directory: Can't check target"); | |
986 | xfree(tmp); | |
987 | err = 1; | |
988 | break; | |
989 | } | |
990 | if (!S_ISDIR(aa->perm)) { | |
991 | error("Can't change directory: \"%s\" is not " | |
992 | "a directory", tmp); | |
993 | xfree(tmp); | |
994 | err = 1; | |
995 | break; | |
996 | } | |
997 | xfree(*pwd); | |
998 | *pwd = tmp; | |
999 | break; | |
1000 | case I_LS: | |
1001 | if (!path1) { | |
1002 | do_globbed_ls(conn, *pwd, *pwd, lflag); | |
1003 | break; | |
1004 | } | |
1005 | ||
1006 | /* Strip pwd off beginning of non-absolute paths */ | |
1007 | tmp = NULL; | |
1008 | if (*path1 != '/') | |
1009 | tmp = *pwd; | |
1010 | ||
1011 | path1 = make_absolute(path1, *pwd); | |
1012 | err = do_globbed_ls(conn, path1, tmp, lflag); | |
1013 | break; | |
1014 | case I_LCHDIR: | |
1015 | if (chdir(path1) == -1) { | |
1016 | error("Couldn't change local directory to " | |
1017 | "\"%s\": %s", path1, strerror(errno)); | |
1018 | err = 1; | |
1019 | } | |
1020 | break; | |
1021 | case I_LMKDIR: | |
1022 | if (mkdir(path1, 0777) == -1) { | |
1023 | error("Couldn't create local directory " | |
1024 | "\"%s\": %s", path1, strerror(errno)); | |
1025 | err = 1; | |
1026 | } | |
1027 | break; | |
1028 | case I_LLS: | |
1029 | local_do_ls(cmd); | |
1030 | break; | |
1031 | case I_SHELL: | |
1032 | local_do_shell(cmd); | |
1033 | break; | |
1034 | case I_LUMASK: | |
1035 | umask(n_arg); | |
1036 | printf("Local umask: %03lo\n", n_arg); | |
1037 | break; | |
1038 | case I_CHMOD: | |
1039 | path1 = make_absolute(path1, *pwd); | |
1040 | attrib_clear(&a); | |
1041 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1042 | a.perm = n_arg; | |
1043 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
1044 | for (i = 0; g.gl_pathv[i]; i++) { | |
1045 | printf("Changing mode on %s\n", g.gl_pathv[i]); | |
1046 | err = do_setstat(conn, g.gl_pathv[i], &a); | |
1047 | if (err != 0 && err_abort) | |
1048 | break; | |
1049 | } | |
1050 | break; | |
1051 | case I_CHOWN: | |
1052 | case I_CHGRP: | |
1053 | path1 = make_absolute(path1, *pwd); | |
1054 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
1055 | for (i = 0; g.gl_pathv[i]; i++) { | |
1056 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { | |
1057 | if (err != 0 && err_abort) | |
1058 | break; | |
1059 | else | |
1060 | continue; | |
1061 | } | |
1062 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { | |
1063 | error("Can't get current ownership of " | |
1064 | "remote file \"%s\"", g.gl_pathv[i]); | |
1065 | if (err != 0 && err_abort) | |
1066 | break; | |
1067 | else | |
1068 | continue; | |
1069 | } | |
1070 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
1071 | if (cmdnum == I_CHOWN) { | |
1072 | printf("Changing owner on %s\n", g.gl_pathv[i]); | |
1073 | aa->uid = n_arg; | |
1074 | } else { | |
1075 | printf("Changing group on %s\n", g.gl_pathv[i]); | |
1076 | aa->gid = n_arg; | |
1077 | } | |
1078 | err = do_setstat(conn, g.gl_pathv[i], aa); | |
1079 | if (err != 0 && err_abort) | |
1080 | break; | |
1081 | } | |
1082 | break; | |
1083 | case I_PWD: | |
1084 | printf("Remote working directory: %s\n", *pwd); | |
1085 | break; | |
1086 | case I_LPWD: | |
1087 | if (!getcwd(path_buf, sizeof(path_buf))) { | |
1088 | error("Couldn't get local cwd: %s", strerror(errno)); | |
1089 | err = -1; | |
1090 | break; | |
1091 | } | |
1092 | printf("Local working directory: %s\n", path_buf); | |
1093 | break; | |
1094 | case I_QUIT: | |
1095 | /* Processed below */ | |
1096 | break; | |
1097 | case I_HELP: | |
1098 | help(); | |
1099 | break; | |
1100 | case I_VERSION: | |
1101 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); | |
1102 | break; | |
1103 | case I_PROGRESS: | |
1104 | showprogress = !showprogress; | |
1105 | if (showprogress) | |
1106 | printf("Progress meter enabled\n"); | |
1107 | else | |
1108 | printf("Progress meter disabled\n"); | |
1109 | break; | |
1110 | default: | |
1111 | fatal("%d is not implemented", cmdnum); | |
1112 | } | |
1113 | ||
1114 | if (g.gl_pathc) | |
1115 | globfree(&g); | |
1116 | if (path1) | |
1117 | xfree(path1); | |
1118 | if (path2) | |
1119 | xfree(path2); | |
1120 | ||
1121 | /* If an unignored error occurs in batch mode we should abort. */ | |
1122 | if (err_abort && err != 0) | |
1123 | return (-1); | |
1124 | else if (cmdnum == I_QUIT) | |
1125 | return (1); | |
1126 | ||
1127 | return (0); | |
1128 | } | |
1129 | ||
1130 | int | |
1131 | interactive_loop(int fd_in, int fd_out, char *file1, char *file2) | |
1132 | { | |
1133 | char *pwd; | |
1134 | char *dir = NULL; | |
1135 | char cmd[2048]; | |
1136 | struct sftp_conn *conn; | |
1137 | int err; | |
1138 | ||
1139 | conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); | |
1140 | if (conn == NULL) | |
1141 | fatal("Couldn't initialise connection to server"); | |
1142 | ||
1143 | pwd = do_realpath(conn, "."); | |
1144 | if (pwd == NULL) | |
1145 | fatal("Need cwd"); | |
1146 | ||
1147 | if (file1 != NULL) { | |
1148 | dir = xstrdup(file1); | |
1149 | dir = make_absolute(dir, pwd); | |
1150 | ||
1151 | if (remote_is_dir(conn, dir) && file2 == NULL) { | |
1152 | printf("Changing to: %s\n", dir); | |
1153 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |
1154 | if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) | |
1155 | return (-1); | |
1156 | } else { | |
1157 | if (file2 == NULL) | |
1158 | snprintf(cmd, sizeof cmd, "get %s", dir); | |
1159 | else | |
1160 | snprintf(cmd, sizeof cmd, "get %s %s", dir, | |
1161 | file2); | |
1162 | ||
1163 | err = parse_dispatch_command(conn, cmd, &pwd, 1); | |
1164 | xfree(dir); | |
1165 | xfree(pwd); | |
1166 | return (err); | |
1167 | } | |
1168 | xfree(dir); | |
1169 | } | |
1170 | ||
1171 | #if HAVE_SETVBUF | |
1172 | setvbuf(stdout, NULL, _IOLBF, 0); | |
1173 | setvbuf(infile, NULL, _IOLBF, 0); | |
1174 | #else | |
1175 | setlinebuf(stdout); | |
1176 | setlinebuf(infile); | |
1177 | #endif | |
1178 | ||
1179 | err = 0; | |
1180 | for (;;) { | |
1181 | char *cp; | |
1182 | ||
1183 | printf("sftp> "); | |
1184 | ||
1185 | /* XXX: use libedit */ | |
1186 | if (fgets(cmd, sizeof(cmd), infile) == NULL) { | |
1187 | printf("\n"); | |
1188 | break; | |
1189 | } | |
1190 | ||
1191 | if (batchmode) /* Echo command */ | |
1192 | printf("%s", cmd); | |
1193 | ||
1194 | cp = strrchr(cmd, '\n'); | |
1195 | if (cp) | |
1196 | *cp = '\0'; | |
1197 | ||
1198 | err = parse_dispatch_command(conn, cmd, &pwd, batchmode); | |
1199 | if (err != 0) | |
1200 | break; | |
1201 | } | |
1202 | xfree(pwd); | |
1203 | ||
1204 | /* err == 1 signifies normal "quit" exit */ | |
1205 | return (err >= 0 ? 0 : -1); | |
1206 | } | |
1c14df9e | 1207 | |
3c0ef626 | 1208 | static void |
70791e56 | 1209 | killchild(int signo) |
1210 | { | |
1211 | if (sshpid > 1) | |
1212 | kill(sshpid, signo); | |
1213 | ||
1214 | _exit(1); | |
1215 | } | |
1216 | ||
1217 | static void | |
1218 | connect_to_server(char *path, char **args, int *in, int *out) | |
3c0ef626 | 1219 | { |
1220 | int c_in, c_out; | |
ff2d7a98 | 1221 | |
3c0ef626 | 1222 | #ifdef USE_PIPES |
1223 | int pin[2], pout[2]; | |
ff2d7a98 | 1224 | |
3c0ef626 | 1225 | if ((pipe(pin) == -1) || (pipe(pout) == -1)) |
1226 | fatal("pipe: %s", strerror(errno)); | |
1227 | *in = pin[0]; | |
1228 | *out = pout[1]; | |
1229 | c_in = pout[0]; | |
1230 | c_out = pin[1]; | |
1231 | #else /* USE_PIPES */ | |
1232 | int inout[2]; | |
ff2d7a98 | 1233 | |
3c0ef626 | 1234 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1) |
1235 | fatal("socketpair: %s", strerror(errno)); | |
1236 | *in = *out = inout[0]; | |
1237 | c_in = c_out = inout[1]; | |
1238 | #endif /* USE_PIPES */ | |
1239 | ||
70791e56 | 1240 | if ((sshpid = fork()) == -1) |
3c0ef626 | 1241 | fatal("fork: %s", strerror(errno)); |
70791e56 | 1242 | else if (sshpid == 0) { |
3c0ef626 | 1243 | if ((dup2(c_in, STDIN_FILENO) == -1) || |
1244 | (dup2(c_out, STDOUT_FILENO) == -1)) { | |
1245 | fprintf(stderr, "dup2: %s\n", strerror(errno)); | |
1246 | exit(1); | |
1247 | } | |
1248 | close(*in); | |
1249 | close(*out); | |
1250 | close(c_in); | |
1251 | close(c_out); | |
e9a17296 | 1252 | execv(path, args); |
1253 | fprintf(stderr, "exec: %s: %s\n", path, strerror(errno)); | |
3c0ef626 | 1254 | exit(1); |
1255 | } | |
1256 | ||
70791e56 | 1257 | signal(SIGTERM, killchild); |
1258 | signal(SIGINT, killchild); | |
1259 | signal(SIGHUP, killchild); | |
3c0ef626 | 1260 | close(c_in); |
1261 | close(c_out); | |
1262 | } | |
1263 | ||
1264 | static void | |
1265 | usage(void) | |
1266 | { | |
e9a17296 | 1267 | extern char *__progname; |
2980ea68 | 1268 | |
3c0ef626 | 1269 | fprintf(stderr, |
416fd2a8 | 1270 | "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n" |
1271 | " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n" | |
1272 | " [-S program] [-s subsystem | sftp_server] host\n" | |
1273 | " %s [[user@]host[:file [file]]]\n" | |
1274 | " %s [[user@]host[:dir[/]]]\n" | |
1275 | " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname); | |
3c0ef626 | 1276 | exit(1); |
1277 | } | |
1278 | ||
1279 | int | |
1280 | main(int argc, char **argv) | |
1281 | { | |
1c14df9e | 1282 | int in, out, ch, err; |
3c0ef626 | 1283 | char *host, *userhost, *cp, *file2; |
1284 | int debug_level = 0, sshver = 2; | |
1285 | char *file1 = NULL, *sftp_server = NULL; | |
ae43c103 | 1286 | char *ssh_program = NULL, *sftp_direct = NULL; |
3c0ef626 | 1287 | LogLevel ll = SYSLOG_LEVEL_INFO; |
1288 | arglist args; | |
1289 | extern int optind; | |
1290 | extern char *optarg; | |
1291 | ||
70791e56 | 1292 | __progname = ssh_get_progname(argv[0]); |
ae43c103 | 1293 | init_pathnames(); |
1294 | ssh_program = _PATH_SSH_PROGRAM; | |
3c0ef626 | 1295 | args.list = NULL; |
e9a17296 | 1296 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
3c0ef626 | 1297 | addargs(&args, "-oForwardX11 no"); |
1298 | addargs(&args, "-oForwardAgent no"); | |
1299 | addargs(&args, "-oClearAllForwardings yes"); | |
416fd2a8 | 1300 | |
3c0ef626 | 1301 | ll = SYSLOG_LEVEL_INFO; |
416fd2a8 | 1302 | infile = stdin; |
3c0ef626 | 1303 | |
e9a17296 | 1304 | while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) { |
3c0ef626 | 1305 | switch (ch) { |
1306 | case 'C': | |
1307 | addargs(&args, "-C"); | |
1308 | break; | |
1309 | case 'v': | |
1310 | if (debug_level < 3) { | |
1311 | addargs(&args, "-v"); | |
1312 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; | |
1313 | } | |
1314 | debug_level++; | |
1315 | break; | |
1316 | case 'F': | |
1317 | case 'o': | |
1318 | addargs(&args, "-%c%s", ch, optarg); | |
1319 | break; | |
1320 | case '1': | |
1321 | sshver = 1; | |
1322 | if (sftp_server == NULL) | |
1323 | sftp_server = _PATH_SFTP_SERVER; | |
1324 | break; | |
1325 | case 's': | |
1326 | sftp_server = optarg; | |
1327 | break; | |
1328 | case 'S': | |
1329 | ssh_program = optarg; | |
1330 | break; | |
1331 | case 'b': | |
416fd2a8 | 1332 | if (batchmode) |
1333 | fatal("Batch file already specified."); | |
1334 | ||
1335 | /* Allow "-" as stdin */ | |
1336 | if (strcmp(optarg, "-") != 0 && | |
1337 | (infile = fopen(optarg, "r")) == NULL) | |
1338 | fatal("%s (%s).", strerror(errno), optarg); | |
1c14df9e | 1339 | showprogress = 0; |
416fd2a8 | 1340 | batchmode = 1; |
3c0ef626 | 1341 | break; |
e9a17296 | 1342 | case 'P': |
1343 | sftp_direct = optarg; | |
1344 | break; | |
1345 | case 'B': | |
1346 | copy_buffer_len = strtol(optarg, &cp, 10); | |
1347 | if (copy_buffer_len == 0 || *cp != '\0') | |
1348 | fatal("Invalid buffer size \"%s\"", optarg); | |
1349 | break; | |
1350 | case 'R': | |
1351 | num_requests = strtol(optarg, &cp, 10); | |
1352 | if (num_requests == 0 || *cp != '\0') | |
2980ea68 | 1353 | fatal("Invalid number of requests \"%s\"", |
e9a17296 | 1354 | optarg); |
1355 | break; | |
3c0ef626 | 1356 | case 'h': |
1357 | default: | |
1358 | usage(); | |
1359 | } | |
1360 | } | |
1361 | ||
2980ea68 | 1362 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); |
1363 | ||
e9a17296 | 1364 | if (sftp_direct == NULL) { |
1365 | if (optind == argc || argc > (optind + 2)) | |
1366 | usage(); | |
3c0ef626 | 1367 | |
e9a17296 | 1368 | userhost = xstrdup(argv[optind]); |
1369 | file2 = argv[optind+1]; | |
3c0ef626 | 1370 | |
1c14df9e | 1371 | if ((host = strrchr(userhost, '@')) == NULL) |
e9a17296 | 1372 | host = userhost; |
1373 | else { | |
1374 | *host++ = '\0'; | |
1375 | if (!userhost[0]) { | |
1376 | fprintf(stderr, "Missing username\n"); | |
1377 | usage(); | |
1378 | } | |
1379 | addargs(&args, "-l%s",userhost); | |
3c0ef626 | 1380 | } |
3c0ef626 | 1381 | |
416fd2a8 | 1382 | if ((cp = colon(host)) != NULL) { |
1383 | *cp++ = '\0'; | |
1384 | file1 = cp; | |
1385 | } | |
1386 | ||
e9a17296 | 1387 | host = cleanhostname(host); |
1388 | if (!*host) { | |
1389 | fprintf(stderr, "Missing hostname\n"); | |
1390 | usage(); | |
1391 | } | |
3c0ef626 | 1392 | |
e9a17296 | 1393 | addargs(&args, "-oProtocol %d", sshver); |
3c0ef626 | 1394 | |
e9a17296 | 1395 | /* no subsystem if the server-spec contains a '/' */ |
1396 | if (sftp_server == NULL || strchr(sftp_server, '/') == NULL) | |
1397 | addargs(&args, "-s"); | |
3c0ef626 | 1398 | |
e9a17296 | 1399 | addargs(&args, "%s", host); |
2980ea68 | 1400 | addargs(&args, "%s", (sftp_server != NULL ? |
e9a17296 | 1401 | sftp_server : "sftp")); |
1402 | args.list[0] = ssh_program; | |
3c0ef626 | 1403 | |
416fd2a8 | 1404 | if (!batchmode) |
1405 | fprintf(stderr, "Connecting to %s...\n", host); | |
70791e56 | 1406 | connect_to_server(ssh_program, args.list, &in, &out); |
e9a17296 | 1407 | } else { |
1408 | args.list = NULL; | |
1409 | addargs(&args, "sftp-server"); | |
3c0ef626 | 1410 | |
416fd2a8 | 1411 | if (!batchmode) |
1412 | fprintf(stderr, "Attaching to %s...\n", sftp_direct); | |
70791e56 | 1413 | connect_to_server(sftp_direct, args.list, &in, &out); |
e9a17296 | 1414 | } |
3c0ef626 | 1415 | |
1c14df9e | 1416 | err = interactive_loop(in, out, file1, file2); |
3c0ef626 | 1417 | |
1418 | #if !defined(USE_PIPES) | |
416fd2a8 | 1419 | shutdown(in, SHUT_RDWR); |
1420 | shutdown(out, SHUT_RDWR); | |
3c0ef626 | 1421 | #endif |
1422 | ||
1423 | close(in); | |
1424 | close(out); | |
416fd2a8 | 1425 | if (batchmode) |
3c0ef626 | 1426 | fclose(infile); |
1427 | ||
2980ea68 | 1428 | while (waitpid(sshpid, NULL, 0) == -1) |
1429 | if (errno != EINTR) | |
1430 | fatal("Couldn't wait for ssh process: %s", | |
1431 | strerror(errno)); | |
3c0ef626 | 1432 | |
1c14df9e | 1433 | exit(err == 0 ? 0 : 1); |
3c0ef626 | 1434 | } |