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Commit | Line | Data |
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61e96248 | 1 | /* |
ab3932ab | 2 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
61e96248 | 3 | * |
ab3932ab | 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. | |
61e96248 | 7 | * |
ab3932ab | 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. | |
61e96248 | 15 | */ |
16 | ||
17 | #include "includes.h" | |
18 | ||
aa41be57 | 19 | RCSID("$OpenBSD: sftp.c,v 1.58 2004/11/25 22:22:14 markus Exp $"); |
5132eac0 | 20 | |
21 | #ifdef USE_LIBEDIT | |
22 | #include <histedit.h> | |
23 | #else | |
24 | typedef void EditLine; | |
25 | #endif | |
61e96248 | 26 | |
27 | #include "buffer.h" | |
28 | #include "xmalloc.h" | |
29 | #include "log.h" | |
30 | #include "pathnames.h" | |
1fcde3fe | 31 | #include "misc.h" |
61e96248 | 32 | |
33 | #include "sftp.h" | |
34 | #include "sftp-common.h" | |
35 | #include "sftp-client.h" | |
caf1e9f0 | 36 | |
2cda7d6b | 37 | /* File to read commands from */ |
38 | FILE* infile; | |
39 | ||
40 | /* Are we in batchfile mode? */ | |
41 | int batchmode = 0; | |
42 | ||
43 | /* Size of buffer used when copying files */ | |
44 | size_t copy_buffer_len = 32768; | |
45 | ||
46 | /* Number of concurrent outstanding requests */ | |
47 | size_t num_requests = 16; | |
48 | ||
49 | /* PID of ssh transport process */ | |
50 | static pid_t sshpid = -1; | |
51 | ||
52 | /* This is set to 0 if the progressmeter is not desired. */ | |
06abcf97 | 53 | int showprogress = 1; |
2cda7d6b | 54 | |
0e5de6f8 | 55 | /* SIGINT received during command processing */ |
56 | volatile sig_atomic_t interrupted = 0; | |
57 | ||
95cbd340 | 58 | /* I wish qsort() took a separate ctx for the comparison function...*/ |
59 | int sort_flag; | |
60 | ||
2cda7d6b | 61 | int remote_glob(struct sftp_conn *, const char *, int, |
62 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ | |
61e96248 | 63 | |
5152d46f | 64 | extern char *__progname; |
5152d46f | 65 | |
2cda7d6b | 66 | /* Separators for interactive commands */ |
67 | #define WHITESPACE " \t\r\n" | |
68 | ||
95cbd340 | 69 | /* ls flags */ |
ae7daec3 | 70 | #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */ |
71 | #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */ | |
72 | #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */ | |
73 | #define LS_NAME_SORT 0x08 /* Sort by name (default) */ | |
74 | #define LS_TIME_SORT 0x10 /* Sort by mtime */ | |
75 | #define LS_SIZE_SORT 0x20 /* Sort by file size */ | |
76 | #define LS_REVERSE_SORT 0x40 /* Reverse sort order */ | |
cc4ff6c4 | 77 | #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */ |
95cbd340 | 78 | |
ae7daec3 | 79 | #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW) |
80 | #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT) | |
2cda7d6b | 81 | |
82 | /* Commands for interactive mode */ | |
83 | #define I_CHDIR 1 | |
84 | #define I_CHGRP 2 | |
85 | #define I_CHMOD 3 | |
86 | #define I_CHOWN 4 | |
87 | #define I_GET 5 | |
88 | #define I_HELP 6 | |
89 | #define I_LCHDIR 7 | |
90 | #define I_LLS 8 | |
91 | #define I_LMKDIR 9 | |
92 | #define I_LPWD 10 | |
93 | #define I_LS 11 | |
94 | #define I_LUMASK 12 | |
95 | #define I_MKDIR 13 | |
96 | #define I_PUT 14 | |
97 | #define I_PWD 15 | |
98 | #define I_QUIT 16 | |
99 | #define I_RENAME 17 | |
100 | #define I_RM 18 | |
101 | #define I_RMDIR 19 | |
102 | #define I_SHELL 20 | |
103 | #define I_SYMLINK 21 | |
104 | #define I_VERSION 22 | |
105 | #define I_PROGRESS 23 | |
106 | ||
107 | struct CMD { | |
108 | const char *c; | |
109 | const int n; | |
110 | }; | |
111 | ||
112 | static const struct CMD cmds[] = { | |
113 | { "bye", I_QUIT }, | |
114 | { "cd", I_CHDIR }, | |
115 | { "chdir", I_CHDIR }, | |
116 | { "chgrp", I_CHGRP }, | |
117 | { "chmod", I_CHMOD }, | |
118 | { "chown", I_CHOWN }, | |
119 | { "dir", I_LS }, | |
120 | { "exit", I_QUIT }, | |
121 | { "get", I_GET }, | |
122 | { "mget", I_GET }, | |
123 | { "help", I_HELP }, | |
124 | { "lcd", I_LCHDIR }, | |
125 | { "lchdir", I_LCHDIR }, | |
126 | { "lls", I_LLS }, | |
127 | { "lmkdir", I_LMKDIR }, | |
128 | { "ln", I_SYMLINK }, | |
129 | { "lpwd", I_LPWD }, | |
130 | { "ls", I_LS }, | |
131 | { "lumask", I_LUMASK }, | |
132 | { "mkdir", I_MKDIR }, | |
133 | { "progress", I_PROGRESS }, | |
134 | { "put", I_PUT }, | |
135 | { "mput", I_PUT }, | |
136 | { "pwd", I_PWD }, | |
137 | { "quit", I_QUIT }, | |
138 | { "rename", I_RENAME }, | |
139 | { "rm", I_RM }, | |
140 | { "rmdir", I_RMDIR }, | |
141 | { "symlink", I_SYMLINK }, | |
142 | { "version", I_VERSION }, | |
143 | { "!", I_SHELL }, | |
144 | { "?", I_HELP }, | |
145 | { NULL, -1} | |
146 | }; | |
147 | ||
148 | int interactive_loop(int fd_in, int fd_out, char *file1, char *file2); | |
149 | ||
0e5de6f8 | 150 | static void |
151 | killchild(int signo) | |
152 | { | |
153 | if (sshpid > 1) | |
154 | kill(sshpid, SIGTERM); | |
155 | ||
156 | _exit(1); | |
157 | } | |
158 | ||
159 | static void | |
160 | cmd_interrupt(int signo) | |
161 | { | |
162 | const char msg[] = "\rInterrupt \n"; | |
163 | ||
164 | write(STDERR_FILENO, msg, sizeof(msg) - 1); | |
165 | interrupted = 1; | |
166 | } | |
167 | ||
2cda7d6b | 168 | static void |
169 | help(void) | |
170 | { | |
171 | printf("Available commands:\n"); | |
172 | printf("cd path Change remote directory to 'path'\n"); | |
173 | printf("lcd path Change local directory to 'path'\n"); | |
174 | printf("chgrp grp path Change group of file 'path' to 'grp'\n"); | |
175 | printf("chmod mode path Change permissions of file 'path' to 'mode'\n"); | |
176 | printf("chown own path Change owner of file 'path' to 'own'\n"); | |
177 | printf("help Display this help text\n"); | |
178 | printf("get remote-path [local-path] Download file\n"); | |
179 | printf("lls [ls-options [path]] Display local directory listing\n"); | |
180 | printf("ln oldpath newpath Symlink remote file\n"); | |
181 | printf("lmkdir path Create local directory\n"); | |
182 | printf("lpwd Print local working directory\n"); | |
183 | printf("ls [path] Display remote directory listing\n"); | |
184 | printf("lumask umask Set local umask to 'umask'\n"); | |
185 | printf("mkdir path Create remote directory\n"); | |
186 | printf("progress Toggle display of progress meter\n"); | |
187 | printf("put local-path [remote-path] Upload file\n"); | |
188 | printf("pwd Display remote working directory\n"); | |
189 | printf("exit Quit sftp\n"); | |
190 | printf("quit Quit sftp\n"); | |
191 | printf("rename oldpath newpath Rename remote file\n"); | |
192 | printf("rmdir path Remove remote directory\n"); | |
193 | printf("rm path Delete remote file\n"); | |
194 | printf("symlink oldpath newpath Symlink remote file\n"); | |
195 | printf("version Show SFTP version\n"); | |
196 | printf("!command Execute 'command' in local shell\n"); | |
197 | printf("! Escape to local shell\n"); | |
198 | printf("? Synonym for help\n"); | |
199 | } | |
200 | ||
201 | static void | |
202 | local_do_shell(const char *args) | |
203 | { | |
204 | int status; | |
205 | char *shell; | |
206 | pid_t pid; | |
207 | ||
208 | if (!*args) | |
209 | args = NULL; | |
210 | ||
211 | if ((shell = getenv("SHELL")) == NULL) | |
212 | shell = _PATH_BSHELL; | |
213 | ||
214 | if ((pid = fork()) == -1) | |
215 | fatal("Couldn't fork: %s", strerror(errno)); | |
216 | ||
217 | if (pid == 0) { | |
218 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |
219 | if (args) { | |
220 | debug3("Executing %s -c \"%s\"", shell, args); | |
221 | execl(shell, shell, "-c", args, (char *)NULL); | |
222 | } else { | |
223 | debug3("Executing %s", shell); | |
224 | execl(shell, shell, (char *)NULL); | |
225 | } | |
226 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, | |
227 | strerror(errno)); | |
228 | _exit(1); | |
229 | } | |
230 | while (waitpid(pid, &status, 0) == -1) | |
231 | if (errno != EINTR) | |
232 | fatal("Couldn't wait for child: %s", strerror(errno)); | |
233 | if (!WIFEXITED(status)) | |
234 | error("Shell exited abormally"); | |
235 | else if (WEXITSTATUS(status)) | |
236 | error("Shell exited with status %d", WEXITSTATUS(status)); | |
237 | } | |
238 | ||
239 | static void | |
240 | local_do_ls(const char *args) | |
241 | { | |
242 | if (!args || !*args) | |
243 | local_do_shell(_PATH_LS); | |
244 | else { | |
245 | int len = strlen(_PATH_LS " ") + strlen(args) + 1; | |
246 | char *buf = xmalloc(len); | |
247 | ||
248 | /* XXX: quoting - rip quoting code from ftp? */ | |
249 | snprintf(buf, len, _PATH_LS " %s", args); | |
250 | local_do_shell(buf); | |
251 | xfree(buf); | |
252 | } | |
253 | } | |
254 | ||
255 | /* Strip one path (usually the pwd) from the start of another */ | |
256 | static char * | |
257 | path_strip(char *path, char *strip) | |
258 | { | |
259 | size_t len; | |
0426a3b4 | 260 | |
2cda7d6b | 261 | if (strip == NULL) |
262 | return (xstrdup(path)); | |
263 | ||
264 | len = strlen(strip); | |
265 | if (strip != NULL && strncmp(path, strip, len) == 0) { | |
266 | if (strip[len - 1] != '/' && path[len] == '/') | |
267 | len++; | |
268 | return (xstrdup(path + len)); | |
269 | } | |
270 | ||
271 | return (xstrdup(path)); | |
272 | } | |
273 | ||
274 | static char * | |
275 | path_append(char *p1, char *p2) | |
276 | { | |
277 | char *ret; | |
278 | int len = strlen(p1) + strlen(p2) + 2; | |
279 | ||
280 | ret = xmalloc(len); | |
281 | strlcpy(ret, p1, len); | |
282 | if (p1[strlen(p1) - 1] != '/') | |
283 | strlcat(ret, "/", len); | |
284 | strlcat(ret, p2, len); | |
285 | ||
286 | return(ret); | |
287 | } | |
288 | ||
289 | static char * | |
290 | make_absolute(char *p, char *pwd) | |
291 | { | |
ca75d7de | 292 | char *abs_str; |
2cda7d6b | 293 | |
294 | /* Derelativise */ | |
295 | if (p && p[0] != '/') { | |
ca75d7de | 296 | abs_str = path_append(pwd, p); |
2cda7d6b | 297 | xfree(p); |
ca75d7de | 298 | return(abs_str); |
2cda7d6b | 299 | } else |
300 | return(p); | |
301 | } | |
302 | ||
303 | static int | |
304 | infer_path(const char *p, char **ifp) | |
305 | { | |
306 | char *cp; | |
307 | ||
308 | cp = strrchr(p, '/'); | |
309 | if (cp == NULL) { | |
310 | *ifp = xstrdup(p); | |
311 | return(0); | |
312 | } | |
313 | ||
314 | if (!cp[1]) { | |
315 | error("Invalid path"); | |
316 | return(-1); | |
317 | } | |
318 | ||
319 | *ifp = xstrdup(cp + 1); | |
320 | return(0); | |
321 | } | |
322 | ||
323 | static int | |
324 | parse_getput_flags(const char **cpp, int *pflag) | |
325 | { | |
326 | const char *cp = *cpp; | |
327 | ||
328 | /* Check for flags */ | |
329 | if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) { | |
330 | switch (cp[1]) { | |
331 | case 'p': | |
332 | case 'P': | |
333 | *pflag = 1; | |
334 | break; | |
335 | default: | |
336 | error("Invalid flag -%c", cp[1]); | |
337 | return(-1); | |
338 | } | |
339 | cp += 2; | |
340 | *cpp = cp + strspn(cp, WHITESPACE); | |
341 | } | |
342 | ||
343 | return(0); | |
344 | } | |
345 | ||
346 | static int | |
347 | parse_ls_flags(const char **cpp, int *lflag) | |
348 | { | |
349 | const char *cp = *cpp; | |
350 | ||
95cbd340 | 351 | /* Defaults */ |
ae7daec3 | 352 | *lflag = LS_NAME_SORT; |
95cbd340 | 353 | |
2cda7d6b | 354 | /* Check for flags */ |
355 | if (cp++[0] == '-') { | |
356 | for(; strchr(WHITESPACE, *cp) == NULL; cp++) { | |
357 | switch (*cp) { | |
358 | case 'l': | |
48925711 | 359 | *lflag &= ~VIEW_FLAGS; |
ae7daec3 | 360 | *lflag |= LS_LONG_VIEW; |
2cda7d6b | 361 | break; |
362 | case '1': | |
48925711 | 363 | *lflag &= ~VIEW_FLAGS; |
ae7daec3 | 364 | *lflag |= LS_SHORT_VIEW; |
48925711 | 365 | break; |
366 | case 'n': | |
367 | *lflag &= ~VIEW_FLAGS; | |
ae7daec3 | 368 | *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW; |
2cda7d6b | 369 | break; |
95cbd340 | 370 | case 'S': |
371 | *lflag &= ~SORT_FLAGS; | |
ae7daec3 | 372 | *lflag |= LS_SIZE_SORT; |
95cbd340 | 373 | break; |
374 | case 't': | |
375 | *lflag &= ~SORT_FLAGS; | |
ae7daec3 | 376 | *lflag |= LS_TIME_SORT; |
95cbd340 | 377 | break; |
378 | case 'r': | |
ae7daec3 | 379 | *lflag |= LS_REVERSE_SORT; |
95cbd340 | 380 | break; |
381 | case 'f': | |
382 | *lflag &= ~SORT_FLAGS; | |
383 | break; | |
cc4ff6c4 | 384 | case 'a': |
385 | *lflag |= LS_SHOW_ALL; | |
386 | break; | |
2cda7d6b | 387 | default: |
388 | error("Invalid flag -%c", *cp); | |
389 | return(-1); | |
390 | } | |
391 | } | |
392 | *cpp = cp + strspn(cp, WHITESPACE); | |
393 | } | |
394 | ||
395 | return(0); | |
396 | } | |
397 | ||
398 | static int | |
399 | get_pathname(const char **cpp, char **path) | |
400 | { | |
401 | const char *cp = *cpp, *end; | |
402 | char quot; | |
403 | int i, j; | |
404 | ||
405 | cp += strspn(cp, WHITESPACE); | |
406 | if (!*cp) { | |
407 | *cpp = cp; | |
408 | *path = NULL; | |
409 | return (0); | |
410 | } | |
411 | ||
412 | *path = xmalloc(strlen(cp) + 1); | |
413 | ||
414 | /* Check for quoted filenames */ | |
415 | if (*cp == '\"' || *cp == '\'') { | |
416 | quot = *cp++; | |
417 | ||
418 | /* Search for terminating quote, unescape some chars */ | |
419 | for (i = j = 0; i <= strlen(cp); i++) { | |
420 | if (cp[i] == quot) { /* Found quote */ | |
421 | i++; | |
422 | (*path)[j] = '\0'; | |
423 | break; | |
424 | } | |
425 | if (cp[i] == '\0') { /* End of string */ | |
426 | error("Unterminated quote"); | |
427 | goto fail; | |
428 | } | |
429 | if (cp[i] == '\\') { /* Escaped characters */ | |
430 | i++; | |
431 | if (cp[i] != '\'' && cp[i] != '\"' && | |
432 | cp[i] != '\\') { | |
7f09f717 | 433 | error("Bad escaped character '\\%c'", |
2cda7d6b | 434 | cp[i]); |
435 | goto fail; | |
436 | } | |
437 | } | |
438 | (*path)[j++] = cp[i]; | |
439 | } | |
440 | ||
441 | if (j == 0) { | |
442 | error("Empty quotes"); | |
443 | goto fail; | |
444 | } | |
445 | *cpp = cp + i + strspn(cp + i, WHITESPACE); | |
446 | } else { | |
447 | /* Read to end of filename */ | |
448 | end = strpbrk(cp, WHITESPACE); | |
449 | if (end == NULL) | |
450 | end = strchr(cp, '\0'); | |
451 | *cpp = end + strspn(end, WHITESPACE); | |
452 | ||
453 | memcpy(*path, cp, end - cp); | |
454 | (*path)[end - cp] = '\0'; | |
455 | } | |
456 | return (0); | |
457 | ||
458 | fail: | |
459 | xfree(*path); | |
460 | *path = NULL; | |
461 | return (-1); | |
462 | } | |
463 | ||
464 | static int | |
465 | is_dir(char *path) | |
466 | { | |
467 | struct stat sb; | |
468 | ||
469 | /* XXX: report errors? */ | |
470 | if (stat(path, &sb) == -1) | |
471 | return(0); | |
472 | ||
473 | return(sb.st_mode & S_IFDIR); | |
474 | } | |
475 | ||
476 | static int | |
477 | is_reg(char *path) | |
478 | { | |
479 | struct stat sb; | |
480 | ||
481 | if (stat(path, &sb) == -1) | |
482 | fatal("stat %s: %s", path, strerror(errno)); | |
483 | ||
484 | return(S_ISREG(sb.st_mode)); | |
485 | } | |
486 | ||
487 | static int | |
488 | remote_is_dir(struct sftp_conn *conn, char *path) | |
489 | { | |
490 | Attrib *a; | |
491 | ||
492 | /* XXX: report errors? */ | |
493 | if ((a = do_stat(conn, path, 1)) == NULL) | |
494 | return(0); | |
495 | if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) | |
496 | return(0); | |
497 | return(a->perm & S_IFDIR); | |
498 | } | |
499 | ||
500 | static int | |
501 | process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
502 | { | |
503 | char *abs_src = NULL; | |
504 | char *abs_dst = NULL; | |
505 | char *tmp; | |
506 | glob_t g; | |
507 | int err = 0; | |
508 | int i; | |
509 | ||
510 | abs_src = xstrdup(src); | |
511 | abs_src = make_absolute(abs_src, pwd); | |
512 | ||
513 | memset(&g, 0, sizeof(g)); | |
514 | debug3("Looking up %s", abs_src); | |
515 | if (remote_glob(conn, abs_src, 0, NULL, &g)) { | |
516 | error("File \"%s\" not found.", abs_src); | |
517 | err = -1; | |
518 | goto out; | |
519 | } | |
520 | ||
521 | /* If multiple matches, dst must be a directory or unspecified */ | |
522 | if (g.gl_matchc > 1 && dst && !is_dir(dst)) { | |
523 | error("Multiple files match, but \"%s\" is not a directory", | |
524 | dst); | |
525 | err = -1; | |
526 | goto out; | |
527 | } | |
528 | ||
0e5de6f8 | 529 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 530 | if (infer_path(g.gl_pathv[i], &tmp)) { |
531 | err = -1; | |
532 | goto out; | |
533 | } | |
534 | ||
535 | if (g.gl_matchc == 1 && dst) { | |
536 | /* If directory specified, append filename */ | |
537 | if (is_dir(dst)) { | |
538 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
539 | err = 1; | |
540 | goto out; | |
541 | } | |
542 | abs_dst = path_append(dst, tmp); | |
543 | xfree(tmp); | |
544 | } else | |
545 | abs_dst = xstrdup(dst); | |
546 | } else if (dst) { | |
547 | abs_dst = path_append(dst, tmp); | |
548 | xfree(tmp); | |
549 | } else | |
550 | abs_dst = tmp; | |
551 | ||
552 | printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); | |
553 | if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
554 | err = -1; | |
555 | xfree(abs_dst); | |
556 | abs_dst = NULL; | |
557 | } | |
558 | ||
559 | out: | |
560 | xfree(abs_src); | |
561 | if (abs_dst) | |
562 | xfree(abs_dst); | |
563 | globfree(&g); | |
564 | return(err); | |
565 | } | |
566 | ||
567 | static int | |
568 | process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
569 | { | |
570 | char *tmp_dst = NULL; | |
571 | char *abs_dst = NULL; | |
572 | char *tmp; | |
573 | glob_t g; | |
574 | int err = 0; | |
575 | int i; | |
576 | ||
577 | if (dst) { | |
578 | tmp_dst = xstrdup(dst); | |
579 | tmp_dst = make_absolute(tmp_dst, pwd); | |
580 | } | |
581 | ||
582 | memset(&g, 0, sizeof(g)); | |
583 | debug3("Looking up %s", src); | |
584 | if (glob(src, 0, NULL, &g)) { | |
585 | error("File \"%s\" not found.", src); | |
586 | err = -1; | |
587 | goto out; | |
588 | } | |
589 | ||
590 | /* If multiple matches, dst may be directory or unspecified */ | |
591 | if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) { | |
592 | error("Multiple files match, but \"%s\" is not a directory", | |
593 | tmp_dst); | |
594 | err = -1; | |
595 | goto out; | |
596 | } | |
597 | ||
0e5de6f8 | 598 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 599 | if (!is_reg(g.gl_pathv[i])) { |
600 | error("skipping non-regular file %s", | |
601 | g.gl_pathv[i]); | |
602 | continue; | |
603 | } | |
604 | if (infer_path(g.gl_pathv[i], &tmp)) { | |
605 | err = -1; | |
606 | goto out; | |
607 | } | |
608 | ||
609 | if (g.gl_matchc == 1 && tmp_dst) { | |
610 | /* If directory specified, append filename */ | |
611 | if (remote_is_dir(conn, tmp_dst)) { | |
612 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
613 | err = 1; | |
614 | goto out; | |
615 | } | |
616 | abs_dst = path_append(tmp_dst, tmp); | |
617 | xfree(tmp); | |
618 | } else | |
619 | abs_dst = xstrdup(tmp_dst); | |
620 | ||
621 | } else if (tmp_dst) { | |
622 | abs_dst = path_append(tmp_dst, tmp); | |
623 | xfree(tmp); | |
624 | } else | |
625 | abs_dst = make_absolute(tmp, pwd); | |
626 | ||
627 | printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); | |
628 | if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
629 | err = -1; | |
630 | } | |
631 | ||
632 | out: | |
633 | if (abs_dst) | |
634 | xfree(abs_dst); | |
635 | if (tmp_dst) | |
636 | xfree(tmp_dst); | |
637 | globfree(&g); | |
638 | return(err); | |
639 | } | |
640 | ||
641 | static int | |
642 | sdirent_comp(const void *aa, const void *bb) | |
643 | { | |
644 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |
645 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |
ae7daec3 | 646 | int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1; |
2cda7d6b | 647 | |
95cbd340 | 648 | #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1)) |
ae7daec3 | 649 | if (sort_flag & LS_NAME_SORT) |
95cbd340 | 650 | return (rmul * strcmp(a->filename, b->filename)); |
ae7daec3 | 651 | else if (sort_flag & LS_TIME_SORT) |
95cbd340 | 652 | return (rmul * NCMP(a->a.mtime, b->a.mtime)); |
ae7daec3 | 653 | else if (sort_flag & LS_SIZE_SORT) |
95cbd340 | 654 | return (rmul * NCMP(a->a.size, b->a.size)); |
655 | ||
656 | fatal("Unknown ls sort type"); | |
2cda7d6b | 657 | } |
658 | ||
659 | /* sftp ls.1 replacement for directories */ | |
660 | static int | |
661 | do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) | |
662 | { | |
663 | int n, c = 1, colspace = 0, columns = 1; | |
664 | SFTP_DIRENT **d; | |
665 | ||
666 | if ((n = do_readdir(conn, path, &d)) != 0) | |
667 | return (n); | |
668 | ||
ae7daec3 | 669 | if (!(lflag & LS_SHORT_VIEW)) { |
2cda7d6b | 670 | int m = 0, width = 80; |
671 | struct winsize ws; | |
672 | char *tmp; | |
673 | ||
674 | /* Count entries for sort and find longest filename */ | |
cc4ff6c4 | 675 | for (n = 0; d[n] != NULL; n++) { |
676 | if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL)) | |
677 | m = MAX(m, strlen(d[n]->filename)); | |
678 | } | |
2cda7d6b | 679 | |
680 | /* Add any subpath that also needs to be counted */ | |
681 | tmp = path_strip(path, strip_path); | |
682 | m += strlen(tmp); | |
683 | xfree(tmp); | |
684 | ||
685 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
686 | width = ws.ws_col; | |
687 | ||
688 | columns = width / (m + 2); | |
689 | columns = MAX(columns, 1); | |
690 | colspace = width / columns; | |
691 | colspace = MIN(colspace, width); | |
692 | } | |
693 | ||
95cbd340 | 694 | if (lflag & SORT_FLAGS) { |
ae7daec3 | 695 | sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT); |
95cbd340 | 696 | qsort(d, n, sizeof(*d), sdirent_comp); |
697 | } | |
2cda7d6b | 698 | |
0e5de6f8 | 699 | for (n = 0; d[n] != NULL && !interrupted; n++) { |
2cda7d6b | 700 | char *tmp, *fname; |
701 | ||
cc4ff6c4 | 702 | if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL)) |
703 | continue; | |
704 | ||
2cda7d6b | 705 | tmp = path_append(path, d[n]->filename); |
706 | fname = path_strip(tmp, strip_path); | |
707 | xfree(tmp); | |
708 | ||
ae7daec3 | 709 | if (lflag & LS_LONG_VIEW) { |
710 | if (lflag & LS_NUMERIC_VIEW) { | |
48925711 | 711 | char *lname; |
712 | struct stat sb; | |
713 | ||
714 | memset(&sb, 0, sizeof(sb)); | |
715 | attrib_to_stat(&d[n]->a, &sb); | |
716 | lname = ls_file(fname, &sb, 1); | |
717 | printf("%s\n", lname); | |
718 | xfree(lname); | |
719 | } else | |
720 | printf("%s\n", d[n]->longname); | |
2cda7d6b | 721 | } else { |
722 | printf("%-*s", colspace, fname); | |
723 | if (c >= columns) { | |
724 | printf("\n"); | |
725 | c = 1; | |
726 | } else | |
727 | c++; | |
728 | } | |
729 | ||
730 | xfree(fname); | |
731 | } | |
732 | ||
ae7daec3 | 733 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
2cda7d6b | 734 | printf("\n"); |
735 | ||
736 | free_sftp_dirents(d); | |
737 | return (0); | |
738 | } | |
739 | ||
740 | /* sftp ls.1 replacement which handles path globs */ | |
741 | static int | |
742 | do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, | |
743 | int lflag) | |
744 | { | |
745 | glob_t g; | |
746 | int i, c = 1, colspace = 0, columns = 1; | |
747 | Attrib *a; | |
748 | ||
749 | memset(&g, 0, sizeof(g)); | |
750 | ||
751 | if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, | |
752 | NULL, &g)) { | |
753 | error("Can't ls: \"%s\" not found", path); | |
754 | return (-1); | |
755 | } | |
756 | ||
0e5de6f8 | 757 | if (interrupted) |
758 | goto out; | |
759 | ||
2cda7d6b | 760 | /* |
761 | * If the glob returns a single match, which is the same as the | |
762 | * input glob, and it is a directory, then just list its contents | |
763 | */ | |
764 | if (g.gl_pathc == 1 && | |
765 | strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) { | |
766 | if ((a = do_lstat(conn, path, 1)) == NULL) { | |
767 | globfree(&g); | |
768 | return (-1); | |
769 | } | |
770 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && | |
771 | S_ISDIR(a->perm)) { | |
772 | globfree(&g); | |
773 | return (do_ls_dir(conn, path, strip_path, lflag)); | |
774 | } | |
775 | } | |
776 | ||
ae7daec3 | 777 | if (!(lflag & LS_SHORT_VIEW)) { |
2cda7d6b | 778 | int m = 0, width = 80; |
779 | struct winsize ws; | |
780 | ||
781 | /* Count entries for sort and find longest filename */ | |
782 | for (i = 0; g.gl_pathv[i]; i++) | |
783 | m = MAX(m, strlen(g.gl_pathv[i])); | |
784 | ||
785 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
786 | width = ws.ws_col; | |
787 | ||
788 | columns = width / (m + 2); | |
789 | columns = MAX(columns, 1); | |
790 | colspace = width / columns; | |
791 | } | |
792 | ||
0e5de6f8 | 793 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 794 | char *fname; |
795 | ||
796 | fname = path_strip(g.gl_pathv[i], strip_path); | |
797 | ||
ae7daec3 | 798 | if (lflag & LS_LONG_VIEW) { |
2cda7d6b | 799 | char *lname; |
800 | struct stat sb; | |
801 | ||
802 | /* | |
803 | * XXX: this is slow - 1 roundtrip per path | |
804 | * A solution to this is to fork glob() and | |
805 | * build a sftp specific version which keeps the | |
806 | * attribs (which currently get thrown away) | |
807 | * that the server returns as well as the filenames. | |
808 | */ | |
809 | memset(&sb, 0, sizeof(sb)); | |
810 | a = do_lstat(conn, g.gl_pathv[i], 1); | |
811 | if (a != NULL) | |
812 | attrib_to_stat(a, &sb); | |
813 | lname = ls_file(fname, &sb, 1); | |
814 | printf("%s\n", lname); | |
815 | xfree(lname); | |
816 | } else { | |
817 | printf("%-*s", colspace, fname); | |
818 | if (c >= columns) { | |
819 | printf("\n"); | |
820 | c = 1; | |
821 | } else | |
822 | c++; | |
823 | } | |
824 | xfree(fname); | |
825 | } | |
826 | ||
ae7daec3 | 827 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
2cda7d6b | 828 | printf("\n"); |
829 | ||
0e5de6f8 | 830 | out: |
2cda7d6b | 831 | if (g.gl_pathc) |
832 | globfree(&g); | |
833 | ||
834 | return (0); | |
835 | } | |
836 | ||
837 | static int | |
838 | parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, | |
839 | unsigned long *n_arg, char **path1, char **path2) | |
840 | { | |
841 | const char *cmd, *cp = *cpp; | |
842 | char *cp2; | |
843 | int base = 0; | |
844 | long l; | |
845 | int i, cmdnum; | |
846 | ||
847 | /* Skip leading whitespace */ | |
848 | cp = cp + strspn(cp, WHITESPACE); | |
849 | ||
850 | /* Ignore blank lines and lines which begin with comment '#' char */ | |
851 | if (*cp == '\0' || *cp == '#') | |
852 | return (0); | |
853 | ||
854 | /* Check for leading '-' (disable error processing) */ | |
855 | *iflag = 0; | |
856 | if (*cp == '-') { | |
857 | *iflag = 1; | |
858 | cp++; | |
859 | } | |
860 | ||
861 | /* Figure out which command we have */ | |
862 | for (i = 0; cmds[i].c; i++) { | |
863 | int cmdlen = strlen(cmds[i].c); | |
864 | ||
865 | /* Check for command followed by whitespace */ | |
866 | if (!strncasecmp(cp, cmds[i].c, cmdlen) && | |
867 | strchr(WHITESPACE, cp[cmdlen])) { | |
868 | cp += cmdlen; | |
869 | cp = cp + strspn(cp, WHITESPACE); | |
870 | break; | |
871 | } | |
872 | } | |
873 | cmdnum = cmds[i].n; | |
874 | cmd = cmds[i].c; | |
875 | ||
876 | /* Special case */ | |
877 | if (*cp == '!') { | |
878 | cp++; | |
879 | cmdnum = I_SHELL; | |
880 | } else if (cmdnum == -1) { | |
881 | error("Invalid command."); | |
882 | return (-1); | |
883 | } | |
884 | ||
885 | /* Get arguments and parse flags */ | |
886 | *lflag = *pflag = *n_arg = 0; | |
887 | *path1 = *path2 = NULL; | |
888 | switch (cmdnum) { | |
889 | case I_GET: | |
890 | case I_PUT: | |
891 | if (parse_getput_flags(&cp, pflag)) | |
892 | return(-1); | |
893 | /* Get first pathname (mandatory) */ | |
894 | if (get_pathname(&cp, path1)) | |
895 | return(-1); | |
896 | if (*path1 == NULL) { | |
897 | error("You must specify at least one path after a " | |
898 | "%s command.", cmd); | |
899 | return(-1); | |
900 | } | |
901 | /* Try to get second pathname (optional) */ | |
902 | if (get_pathname(&cp, path2)) | |
903 | return(-1); | |
904 | break; | |
905 | case I_RENAME: | |
906 | case I_SYMLINK: | |
907 | if (get_pathname(&cp, path1)) | |
908 | return(-1); | |
909 | if (get_pathname(&cp, path2)) | |
910 | return(-1); | |
911 | if (!*path1 || !*path2) { | |
912 | error("You must specify two paths after a %s " | |
913 | "command.", cmd); | |
914 | return(-1); | |
915 | } | |
916 | break; | |
917 | case I_RM: | |
918 | case I_MKDIR: | |
919 | case I_RMDIR: | |
920 | case I_CHDIR: | |
921 | case I_LCHDIR: | |
922 | case I_LMKDIR: | |
923 | /* Get pathname (mandatory) */ | |
924 | if (get_pathname(&cp, path1)) | |
925 | return(-1); | |
926 | if (*path1 == NULL) { | |
927 | error("You must specify a path after a %s command.", | |
928 | cmd); | |
929 | return(-1); | |
930 | } | |
931 | break; | |
932 | case I_LS: | |
933 | if (parse_ls_flags(&cp, lflag)) | |
934 | return(-1); | |
935 | /* Path is optional */ | |
936 | if (get_pathname(&cp, path1)) | |
937 | return(-1); | |
938 | break; | |
939 | case I_LLS: | |
940 | case I_SHELL: | |
941 | /* Uses the rest of the line */ | |
942 | break; | |
943 | case I_LUMASK: | |
944 | base = 8; | |
945 | case I_CHMOD: | |
946 | base = 8; | |
947 | case I_CHOWN: | |
948 | case I_CHGRP: | |
949 | /* Get numeric arg (mandatory) */ | |
950 | l = strtol(cp, &cp2, base); | |
951 | if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) && | |
952 | errno == ERANGE) || l < 0) { | |
953 | error("You must supply a numeric argument " | |
954 | "to the %s command.", cmd); | |
955 | return(-1); | |
956 | } | |
957 | cp = cp2; | |
958 | *n_arg = l; | |
959 | if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp)) | |
960 | break; | |
961 | if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) { | |
962 | error("You must supply a numeric argument " | |
963 | "to the %s command.", cmd); | |
964 | return(-1); | |
965 | } | |
966 | cp += strspn(cp, WHITESPACE); | |
967 | ||
968 | /* Get pathname (mandatory) */ | |
969 | if (get_pathname(&cp, path1)) | |
970 | return(-1); | |
971 | if (*path1 == NULL) { | |
972 | error("You must specify a path after a %s command.", | |
973 | cmd); | |
974 | return(-1); | |
975 | } | |
976 | break; | |
977 | case I_QUIT: | |
978 | case I_PWD: | |
979 | case I_LPWD: | |
980 | case I_HELP: | |
981 | case I_VERSION: | |
982 | case I_PROGRESS: | |
983 | break; | |
984 | default: | |
985 | fatal("Command not implemented"); | |
986 | } | |
987 | ||
988 | *cpp = cp; | |
989 | return(cmdnum); | |
990 | } | |
991 | ||
992 | static int | |
993 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, | |
994 | int err_abort) | |
995 | { | |
996 | char *path1, *path2, *tmp; | |
997 | int pflag, lflag, iflag, cmdnum, i; | |
998 | unsigned long n_arg; | |
999 | Attrib a, *aa; | |
1000 | char path_buf[MAXPATHLEN]; | |
1001 | int err = 0; | |
1002 | glob_t g; | |
1003 | ||
1004 | path1 = path2 = NULL; | |
1005 | cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg, | |
1006 | &path1, &path2); | |
1007 | ||
1008 | if (iflag != 0) | |
1009 | err_abort = 0; | |
1010 | ||
1011 | memset(&g, 0, sizeof(g)); | |
1012 | ||
1013 | /* Perform command */ | |
1014 | switch (cmdnum) { | |
1015 | case 0: | |
1016 | /* Blank line */ | |
1017 | break; | |
1018 | case -1: | |
1019 | /* Unrecognized command */ | |
1020 | err = -1; | |
1021 | break; | |
1022 | case I_GET: | |
1023 | err = process_get(conn, path1, path2, *pwd, pflag); | |
1024 | break; | |
1025 | case I_PUT: | |
1026 | err = process_put(conn, path1, path2, *pwd, pflag); | |
1027 | break; | |
1028 | case I_RENAME: | |
1029 | path1 = make_absolute(path1, *pwd); | |
1030 | path2 = make_absolute(path2, *pwd); | |
1031 | err = do_rename(conn, path1, path2); | |
1032 | break; | |
1033 | case I_SYMLINK: | |
1034 | path2 = make_absolute(path2, *pwd); | |
1035 | err = do_symlink(conn, path1, path2); | |
1036 | break; | |
1037 | case I_RM: | |
1038 | path1 = make_absolute(path1, *pwd); | |
1039 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1040 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1041 | printf("Removing %s\n", g.gl_pathv[i]); |
1042 | err = do_rm(conn, g.gl_pathv[i]); | |
1043 | if (err != 0 && err_abort) | |
1044 | break; | |
1045 | } | |
1046 | break; | |
1047 | case I_MKDIR: | |
1048 | path1 = make_absolute(path1, *pwd); | |
1049 | attrib_clear(&a); | |
1050 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1051 | a.perm = 0777; | |
1052 | err = do_mkdir(conn, path1, &a); | |
1053 | break; | |
1054 | case I_RMDIR: | |
1055 | path1 = make_absolute(path1, *pwd); | |
1056 | err = do_rmdir(conn, path1); | |
1057 | break; | |
1058 | case I_CHDIR: | |
1059 | path1 = make_absolute(path1, *pwd); | |
1060 | if ((tmp = do_realpath(conn, path1)) == NULL) { | |
1061 | err = 1; | |
1062 | break; | |
1063 | } | |
1064 | if ((aa = do_stat(conn, tmp, 0)) == NULL) { | |
1065 | xfree(tmp); | |
1066 | err = 1; | |
1067 | break; | |
1068 | } | |
1069 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { | |
1070 | error("Can't change directory: Can't check target"); | |
1071 | xfree(tmp); | |
1072 | err = 1; | |
1073 | break; | |
1074 | } | |
1075 | if (!S_ISDIR(aa->perm)) { | |
1076 | error("Can't change directory: \"%s\" is not " | |
1077 | "a directory", tmp); | |
1078 | xfree(tmp); | |
1079 | err = 1; | |
1080 | break; | |
1081 | } | |
1082 | xfree(*pwd); | |
1083 | *pwd = tmp; | |
1084 | break; | |
1085 | case I_LS: | |
1086 | if (!path1) { | |
1087 | do_globbed_ls(conn, *pwd, *pwd, lflag); | |
1088 | break; | |
1089 | } | |
1090 | ||
1091 | /* Strip pwd off beginning of non-absolute paths */ | |
1092 | tmp = NULL; | |
1093 | if (*path1 != '/') | |
1094 | tmp = *pwd; | |
1095 | ||
1096 | path1 = make_absolute(path1, *pwd); | |
1097 | err = do_globbed_ls(conn, path1, tmp, lflag); | |
1098 | break; | |
1099 | case I_LCHDIR: | |
1100 | if (chdir(path1) == -1) { | |
1101 | error("Couldn't change local directory to " | |
1102 | "\"%s\": %s", path1, strerror(errno)); | |
1103 | err = 1; | |
1104 | } | |
1105 | break; | |
1106 | case I_LMKDIR: | |
1107 | if (mkdir(path1, 0777) == -1) { | |
1108 | error("Couldn't create local directory " | |
1109 | "\"%s\": %s", path1, strerror(errno)); | |
1110 | err = 1; | |
1111 | } | |
1112 | break; | |
1113 | case I_LLS: | |
1114 | local_do_ls(cmd); | |
1115 | break; | |
1116 | case I_SHELL: | |
1117 | local_do_shell(cmd); | |
1118 | break; | |
1119 | case I_LUMASK: | |
1120 | umask(n_arg); | |
1121 | printf("Local umask: %03lo\n", n_arg); | |
1122 | break; | |
1123 | case I_CHMOD: | |
1124 | path1 = make_absolute(path1, *pwd); | |
1125 | attrib_clear(&a); | |
1126 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1127 | a.perm = n_arg; | |
1128 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1129 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1130 | printf("Changing mode on %s\n", g.gl_pathv[i]); |
1131 | err = do_setstat(conn, g.gl_pathv[i], &a); | |
1132 | if (err != 0 && err_abort) | |
1133 | break; | |
1134 | } | |
1135 | break; | |
1136 | case I_CHOWN: | |
1137 | case I_CHGRP: | |
1138 | path1 = make_absolute(path1, *pwd); | |
1139 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1140 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1141 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { |
1142 | if (err != 0 && err_abort) | |
1143 | break; | |
1144 | else | |
1145 | continue; | |
1146 | } | |
1147 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { | |
1148 | error("Can't get current ownership of " | |
1149 | "remote file \"%s\"", g.gl_pathv[i]); | |
1150 | if (err != 0 && err_abort) | |
1151 | break; | |
1152 | else | |
1153 | continue; | |
1154 | } | |
1155 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
1156 | if (cmdnum == I_CHOWN) { | |
1157 | printf("Changing owner on %s\n", g.gl_pathv[i]); | |
1158 | aa->uid = n_arg; | |
1159 | } else { | |
1160 | printf("Changing group on %s\n", g.gl_pathv[i]); | |
1161 | aa->gid = n_arg; | |
1162 | } | |
1163 | err = do_setstat(conn, g.gl_pathv[i], aa); | |
1164 | if (err != 0 && err_abort) | |
1165 | break; | |
1166 | } | |
1167 | break; | |
1168 | case I_PWD: | |
1169 | printf("Remote working directory: %s\n", *pwd); | |
1170 | break; | |
1171 | case I_LPWD: | |
1172 | if (!getcwd(path_buf, sizeof(path_buf))) { | |
1173 | error("Couldn't get local cwd: %s", strerror(errno)); | |
1174 | err = -1; | |
1175 | break; | |
1176 | } | |
1177 | printf("Local working directory: %s\n", path_buf); | |
1178 | break; | |
1179 | case I_QUIT: | |
1180 | /* Processed below */ | |
1181 | break; | |
1182 | case I_HELP: | |
1183 | help(); | |
1184 | break; | |
1185 | case I_VERSION: | |
1186 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); | |
1187 | break; | |
1188 | case I_PROGRESS: | |
1189 | showprogress = !showprogress; | |
1190 | if (showprogress) | |
1191 | printf("Progress meter enabled\n"); | |
1192 | else | |
1193 | printf("Progress meter disabled\n"); | |
1194 | break; | |
1195 | default: | |
1196 | fatal("%d is not implemented", cmdnum); | |
1197 | } | |
1198 | ||
1199 | if (g.gl_pathc) | |
1200 | globfree(&g); | |
1201 | if (path1) | |
1202 | xfree(path1); | |
1203 | if (path2) | |
1204 | xfree(path2); | |
1205 | ||
1206 | /* If an unignored error occurs in batch mode we should abort. */ | |
1207 | if (err_abort && err != 0) | |
1208 | return (-1); | |
1209 | else if (cmdnum == I_QUIT) | |
1210 | return (1); | |
1211 | ||
1212 | return (0); | |
1213 | } | |
1214 | ||
5132eac0 | 1215 | #ifdef USE_LIBEDIT |
1216 | static char * | |
1217 | prompt(EditLine *el) | |
1218 | { | |
1219 | return ("sftp> "); | |
1220 | } | |
1221 | #endif | |
1222 | ||
2cda7d6b | 1223 | int |
1224 | interactive_loop(int fd_in, int fd_out, char *file1, char *file2) | |
1225 | { | |
1226 | char *pwd; | |
1227 | char *dir = NULL; | |
1228 | char cmd[2048]; | |
1229 | struct sftp_conn *conn; | |
1230 | int err; | |
5132eac0 | 1231 | EditLine *el = NULL; |
1232 | #ifdef USE_LIBEDIT | |
1233 | History *hl = NULL; | |
1234 | HistEvent hev; | |
1235 | extern char *__progname; | |
1236 | ||
1237 | if (!batchmode && isatty(STDIN_FILENO)) { | |
1238 | if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL) | |
1239 | fatal("Couldn't initialise editline"); | |
1240 | if ((hl = history_init()) == NULL) | |
1241 | fatal("Couldn't initialise editline history"); | |
1242 | history(hl, &hev, H_SETSIZE, 100); | |
1243 | el_set(el, EL_HIST, history, hl); | |
1244 | ||
1245 | el_set(el, EL_PROMPT, prompt); | |
1246 | el_set(el, EL_EDITOR, "emacs"); | |
1247 | el_set(el, EL_TERMINAL, NULL); | |
1248 | el_set(el, EL_SIGNAL, 1); | |
1249 | el_source(el, NULL); | |
1250 | } | |
1251 | #endif /* USE_LIBEDIT */ | |
2cda7d6b | 1252 | |
1253 | conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); | |
1254 | if (conn == NULL) | |
1255 | fatal("Couldn't initialise connection to server"); | |
1256 | ||
1257 | pwd = do_realpath(conn, "."); | |
1258 | if (pwd == NULL) | |
1259 | fatal("Need cwd"); | |
1260 | ||
1261 | if (file1 != NULL) { | |
1262 | dir = xstrdup(file1); | |
1263 | dir = make_absolute(dir, pwd); | |
1264 | ||
1265 | if (remote_is_dir(conn, dir) && file2 == NULL) { | |
1266 | printf("Changing to: %s\n", dir); | |
1267 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |
aa41be57 | 1268 | if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) { |
1269 | xfree(dir); | |
1270 | xfree(pwd); | |
2cda7d6b | 1271 | return (-1); |
aa41be57 | 1272 | } |
2cda7d6b | 1273 | } else { |
1274 | if (file2 == NULL) | |
1275 | snprintf(cmd, sizeof cmd, "get %s", dir); | |
1276 | else | |
1277 | snprintf(cmd, sizeof cmd, "get %s %s", dir, | |
1278 | file2); | |
1279 | ||
1280 | err = parse_dispatch_command(conn, cmd, &pwd, 1); | |
1281 | xfree(dir); | |
1282 | xfree(pwd); | |
1283 | return (err); | |
1284 | } | |
1285 | xfree(dir); | |
1286 | } | |
1287 | ||
1288 | #if HAVE_SETVBUF | |
1289 | setvbuf(stdout, NULL, _IOLBF, 0); | |
1290 | setvbuf(infile, NULL, _IOLBF, 0); | |
1291 | #else | |
1292 | setlinebuf(stdout); | |
1293 | setlinebuf(infile); | |
1294 | #endif | |
1295 | ||
1296 | err = 0; | |
1297 | for (;;) { | |
1298 | char *cp; | |
1299 | ||
0e5de6f8 | 1300 | signal(SIGINT, SIG_IGN); |
1301 | ||
5132eac0 | 1302 | if (el == NULL) { |
1303 | printf("sftp> "); | |
1304 | if (fgets(cmd, sizeof(cmd), infile) == NULL) { | |
1305 | printf("\n"); | |
1306 | break; | |
1307 | } | |
1308 | if (batchmode) /* Echo command */ | |
1309 | printf("%s", cmd); | |
1310 | } else { | |
1311 | #ifdef USE_LIBEDIT | |
1312 | const char *line; | |
1313 | int count = 0; | |
2cda7d6b | 1314 | |
5132eac0 | 1315 | if ((line = el_gets(el, &count)) == NULL || count <= 0) |
1316 | break; | |
1317 | history(hl, &hev, H_ENTER, line); | |
1318 | if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) { | |
1319 | fprintf(stderr, "Error: input line too long\n"); | |
1320 | continue; | |
1321 | } | |
1322 | #endif /* USE_LIBEDIT */ | |
2cda7d6b | 1323 | } |
1324 | ||
2cda7d6b | 1325 | cp = strrchr(cmd, '\n'); |
1326 | if (cp) | |
1327 | *cp = '\0'; | |
1328 | ||
0e5de6f8 | 1329 | /* Handle user interrupts gracefully during commands */ |
1330 | interrupted = 0; | |
1331 | signal(SIGINT, cmd_interrupt); | |
1332 | ||
2cda7d6b | 1333 | err = parse_dispatch_command(conn, cmd, &pwd, batchmode); |
1334 | if (err != 0) | |
1335 | break; | |
1336 | } | |
1337 | xfree(pwd); | |
1338 | ||
1339 | /* err == 1 signifies normal "quit" exit */ | |
1340 | return (err >= 0 ? 0 : -1); | |
1341 | } | |
b65c3807 | 1342 | |
1b558925 | 1343 | static void |
1344 | connect_to_server(char *path, char **args, int *in, int *out) | |
61e96248 | 1345 | { |
1346 | int c_in, c_out; | |
9906a836 | 1347 | |
61e96248 | 1348 | #ifdef USE_PIPES |
1349 | int pin[2], pout[2]; | |
9906a836 | 1350 | |
61e96248 | 1351 | if ((pipe(pin) == -1) || (pipe(pout) == -1)) |
1352 | fatal("pipe: %s", strerror(errno)); | |
1353 | *in = pin[0]; | |
1354 | *out = pout[1]; | |
1355 | c_in = pout[0]; | |
1356 | c_out = pin[1]; | |
1357 | #else /* USE_PIPES */ | |
1358 | int inout[2]; | |
9906a836 | 1359 | |
61e96248 | 1360 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1) |
1361 | fatal("socketpair: %s", strerror(errno)); | |
1362 | *in = *out = inout[0]; | |
1363 | c_in = c_out = inout[1]; | |
1364 | #endif /* USE_PIPES */ | |
1365 | ||
1b558925 | 1366 | if ((sshpid = fork()) == -1) |
61e96248 | 1367 | fatal("fork: %s", strerror(errno)); |
1b558925 | 1368 | else if (sshpid == 0) { |
61e96248 | 1369 | if ((dup2(c_in, STDIN_FILENO) == -1) || |
1370 | (dup2(c_out, STDOUT_FILENO) == -1)) { | |
1371 | fprintf(stderr, "dup2: %s\n", strerror(errno)); | |
8dbffee9 | 1372 | _exit(1); |
61e96248 | 1373 | } |
1374 | close(*in); | |
1375 | close(*out); | |
1376 | close(c_in); | |
1377 | close(c_out); | |
0e5de6f8 | 1378 | |
1379 | /* | |
1380 | * The underlying ssh is in the same process group, so we must | |
f2107e97 | 1381 | * ignore SIGINT if we want to gracefully abort commands, |
1382 | * otherwise the signal will make it to the ssh process and | |
0e5de6f8 | 1383 | * kill it too |
1384 | */ | |
1385 | signal(SIGINT, SIG_IGN); | |
35e49915 | 1386 | execvp(path, args); |
a96fd7c2 | 1387 | fprintf(stderr, "exec: %s: %s\n", path, strerror(errno)); |
8dbffee9 | 1388 | _exit(1); |
61e96248 | 1389 | } |
1390 | ||
1b558925 | 1391 | signal(SIGTERM, killchild); |
1392 | signal(SIGINT, killchild); | |
1393 | signal(SIGHUP, killchild); | |
61e96248 | 1394 | close(c_in); |
1395 | close(c_out); | |
1396 | } | |
1397 | ||
396c147e | 1398 | static void |
61e96248 | 1399 | usage(void) |
1400 | { | |
22be05a5 | 1401 | extern char *__progname; |
762715ce | 1402 | |
f1278af7 | 1403 | fprintf(stderr, |
433e60ac | 1404 | "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n" |
1405 | " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n" | |
1406 | " [-S program] [-s subsystem | sftp_server] host\n" | |
1407 | " %s [[user@]host[:file [file]]]\n" | |
1408 | " %s [[user@]host[:dir[/]]]\n" | |
1409 | " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname); | |
61e96248 | 1410 | exit(1); |
1411 | } | |
1412 | ||
2b87da3b | 1413 | int |
61e96248 | 1414 | main(int argc, char **argv) |
1415 | { | |
9a36208d | 1416 | int in, out, ch, err; |
6e007f08 | 1417 | char *host, *userhost, *cp, *file2 = NULL; |
8a624ebf | 1418 | int debug_level = 0, sshver = 2; |
1419 | char *file1 = NULL, *sftp_server = NULL; | |
a96fd7c2 | 1420 | char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL; |
8a624ebf | 1421 | LogLevel ll = SYSLOG_LEVEL_INFO; |
1422 | arglist args; | |
0426a3b4 | 1423 | extern int optind; |
1424 | extern char *optarg; | |
61e96248 | 1425 | |
fda04d7d | 1426 | __progname = ssh_get_progname(argv[0]); |
8a624ebf | 1427 | args.list = NULL; |
184eed6a | 1428 | addargs(&args, "ssh"); /* overwritten with ssh_program */ |
8a624ebf | 1429 | addargs(&args, "-oForwardX11 no"); |
1430 | addargs(&args, "-oForwardAgent no"); | |
e1c5bfaf | 1431 | addargs(&args, "-oClearAllForwardings yes"); |
ac414e17 | 1432 | |
8a624ebf | 1433 | ll = SYSLOG_LEVEL_INFO; |
ac414e17 | 1434 | infile = stdin; |
0426a3b4 | 1435 | |
c25d3df7 | 1436 | while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) { |
0426a3b4 | 1437 | switch (ch) { |
1438 | case 'C': | |
8a624ebf | 1439 | addargs(&args, "-C"); |
0426a3b4 | 1440 | break; |
1441 | case 'v': | |
8a624ebf | 1442 | if (debug_level < 3) { |
1443 | addargs(&args, "-v"); | |
1444 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; | |
1445 | } | |
1446 | debug_level++; | |
0426a3b4 | 1447 | break; |
f1278af7 | 1448 | case 'F': |
0426a3b4 | 1449 | case 'o': |
f1278af7 | 1450 | addargs(&args, "-%c%s", ch, optarg); |
0426a3b4 | 1451 | break; |
1452 | case '1': | |
8a624ebf | 1453 | sshver = 1; |
0426a3b4 | 1454 | if (sftp_server == NULL) |
1455 | sftp_server = _PATH_SFTP_SERVER; | |
1456 | break; | |
1457 | case 's': | |
1458 | sftp_server = optarg; | |
1459 | break; | |
1460 | case 'S': | |
1461 | ssh_program = optarg; | |
1462 | break; | |
a5ec8a3d | 1463 | case 'b': |
a8b64bb8 | 1464 | if (batchmode) |
1465 | fatal("Batch file already specified."); | |
1466 | ||
1467 | /* Allow "-" as stdin */ | |
f2107e97 | 1468 | if (strcmp(optarg, "-") != 0 && |
a8b64bb8 | 1469 | (infile = fopen(optarg, "r")) == NULL) |
1470 | fatal("%s (%s).", strerror(errno), optarg); | |
b65c3807 | 1471 | showprogress = 0; |
a8b64bb8 | 1472 | batchmode = 1; |
a5ec8a3d | 1473 | break; |
a96fd7c2 | 1474 | case 'P': |
1475 | sftp_direct = optarg; | |
1476 | break; | |
375f867e | 1477 | case 'B': |
1478 | copy_buffer_len = strtol(optarg, &cp, 10); | |
1479 | if (copy_buffer_len == 0 || *cp != '\0') | |
1480 | fatal("Invalid buffer size \"%s\"", optarg); | |
1481 | break; | |
c25d3df7 | 1482 | case 'R': |
1483 | num_requests = strtol(optarg, &cp, 10); | |
1484 | if (num_requests == 0 || *cp != '\0') | |
762715ce | 1485 | fatal("Invalid number of requests \"%s\"", |
c25d3df7 | 1486 | optarg); |
1487 | break; | |
0426a3b4 | 1488 | case 'h': |
1489 | default: | |
61e96248 | 1490 | usage(); |
1491 | } | |
1492 | } | |
1493 | ||
06abcf97 | 1494 | if (!isatty(STDERR_FILENO)) |
1495 | showprogress = 0; | |
1496 | ||
b69145c2 | 1497 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); |
1498 | ||
a96fd7c2 | 1499 | if (sftp_direct == NULL) { |
1500 | if (optind == argc || argc > (optind + 2)) | |
1501 | usage(); | |
61e96248 | 1502 | |
a96fd7c2 | 1503 | userhost = xstrdup(argv[optind]); |
1504 | file2 = argv[optind+1]; | |
edeeab1e | 1505 | |
15748b4d | 1506 | if ((host = strrchr(userhost, '@')) == NULL) |
a96fd7c2 | 1507 | host = userhost; |
1508 | else { | |
1509 | *host++ = '\0'; | |
1510 | if (!userhost[0]) { | |
1511 | fprintf(stderr, "Missing username\n"); | |
1512 | usage(); | |
1513 | } | |
1514 | addargs(&args, "-l%s",userhost); | |
61e96248 | 1515 | } |
61e96248 | 1516 | |
02de7c6e | 1517 | if ((cp = colon(host)) != NULL) { |
1518 | *cp++ = '\0'; | |
1519 | file1 = cp; | |
1520 | } | |
1521 | ||
a96fd7c2 | 1522 | host = cleanhostname(host); |
1523 | if (!*host) { | |
1524 | fprintf(stderr, "Missing hostname\n"); | |
1525 | usage(); | |
1526 | } | |
61e96248 | 1527 | |
a96fd7c2 | 1528 | addargs(&args, "-oProtocol %d", sshver); |
8a624ebf | 1529 | |
a96fd7c2 | 1530 | /* no subsystem if the server-spec contains a '/' */ |
1531 | if (sftp_server == NULL || strchr(sftp_server, '/') == NULL) | |
1532 | addargs(&args, "-s"); | |
61e96248 | 1533 | |
a96fd7c2 | 1534 | addargs(&args, "%s", host); |
762715ce | 1535 | addargs(&args, "%s", (sftp_server != NULL ? |
a96fd7c2 | 1536 | sftp_server : "sftp")); |
1537 | args.list[0] = ssh_program; | |
61e96248 | 1538 | |
a8b64bb8 | 1539 | if (!batchmode) |
1540 | fprintf(stderr, "Connecting to %s...\n", host); | |
1b558925 | 1541 | connect_to_server(ssh_program, args.list, &in, &out); |
a96fd7c2 | 1542 | } else { |
1543 | args.list = NULL; | |
1544 | addargs(&args, "sftp-server"); | |
61e96248 | 1545 | |
a8b64bb8 | 1546 | if (!batchmode) |
1547 | fprintf(stderr, "Attaching to %s...\n", sftp_direct); | |
1b558925 | 1548 | connect_to_server(sftp_direct, args.list, &in, &out); |
a96fd7c2 | 1549 | } |
61e96248 | 1550 | |
9a36208d | 1551 | err = interactive_loop(in, out, file1, file2); |
61e96248 | 1552 | |
51fb577a | 1553 | #if !defined(USE_PIPES) |
2cda7d6b | 1554 | shutdown(in, SHUT_RDWR); |
1555 | shutdown(out, SHUT_RDWR); | |
51fb577a | 1556 | #endif |
1557 | ||
61e96248 | 1558 | close(in); |
1559 | close(out); | |
a8b64bb8 | 1560 | if (batchmode) |
a5ec8a3d | 1561 | fclose(infile); |
61e96248 | 1562 | |
8c38e88b | 1563 | while (waitpid(sshpid, NULL, 0) == -1) |
1564 | if (errno != EINTR) | |
1565 | fatal("Couldn't wait for ssh process: %s", | |
1566 | strerror(errno)); | |
61e96248 | 1567 | |
9a36208d | 1568 | exit(err == 0 ? 0 : 1); |
61e96248 | 1569 | } |