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360b43ab | 1 | /* $OpenBSD: sftp.c,v 1.100 2008/04/18 12:32:11 djm Exp $ */ |
61e96248 | 2 | /* |
ab3932ab | 3 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
61e96248 | 4 | * |
ab3932ab | 5 | * Permission to use, copy, modify, and distribute this software for any |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
61e96248 | 8 | * |
ab3932ab | 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
61e96248 | 16 | */ |
17 | ||
18 | #include "includes.h" | |
19 | ||
aa2eae64 | 20 | #include <sys/types.h> |
31652869 | 21 | #include <sys/ioctl.h> |
4095f623 | 22 | #ifdef HAVE_SYS_STAT_H |
23 | # include <sys/stat.h> | |
24 | #endif | |
536c14e8 | 25 | #include <sys/param.h> |
5b04a8bf | 26 | #include <sys/socket.h> |
aa2eae64 | 27 | #include <sys/wait.h> |
360b43ab | 28 | #include <sys/statvfs.h> |
5132eac0 | 29 | |
a733c71c | 30 | #include <ctype.h> |
028094f4 | 31 | #include <errno.h> |
32 | ||
a75f5360 | 33 | #ifdef HAVE_PATHS_H |
6f61e0ec | 34 | # include <paths.h> |
a75f5360 | 35 | #endif |
5132eac0 | 36 | #ifdef USE_LIBEDIT |
37 | #include <histedit.h> | |
38 | #else | |
39 | typedef void EditLine; | |
40 | #endif | |
ada68823 | 41 | #include <signal.h> |
ffa517a8 | 42 | #include <stdlib.h> |
cf851879 | 43 | #include <stdio.h> |
00146caa | 44 | #include <string.h> |
5188ba17 | 45 | #include <unistd.h> |
360b43ab | 46 | #include <util.h> |
31652869 | 47 | #include <stdarg.h> |
61e96248 | 48 | |
61e96248 | 49 | #include "xmalloc.h" |
50 | #include "log.h" | |
51 | #include "pathnames.h" | |
1fcde3fe | 52 | #include "misc.h" |
61e96248 | 53 | |
54 | #include "sftp.h" | |
31652869 | 55 | #include "buffer.h" |
61e96248 | 56 | #include "sftp-common.h" |
57 | #include "sftp-client.h" | |
caf1e9f0 | 58 | |
2cda7d6b | 59 | /* File to read commands from */ |
60 | FILE* infile; | |
61 | ||
62 | /* Are we in batchfile mode? */ | |
63 | int batchmode = 0; | |
64 | ||
65 | /* Size of buffer used when copying files */ | |
66 | size_t copy_buffer_len = 32768; | |
67 | ||
68 | /* Number of concurrent outstanding requests */ | |
69 | size_t num_requests = 16; | |
70 | ||
71 | /* PID of ssh transport process */ | |
72 | static pid_t sshpid = -1; | |
73 | ||
74 | /* This is set to 0 if the progressmeter is not desired. */ | |
06abcf97 | 75 | int showprogress = 1; |
2cda7d6b | 76 | |
0e5de6f8 | 77 | /* SIGINT received during command processing */ |
78 | volatile sig_atomic_t interrupted = 0; | |
79 | ||
95cbd340 | 80 | /* I wish qsort() took a separate ctx for the comparison function...*/ |
81 | int sort_flag; | |
82 | ||
2cda7d6b | 83 | int remote_glob(struct sftp_conn *, const char *, int, |
84 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ | |
61e96248 | 85 | |
5152d46f | 86 | extern char *__progname; |
5152d46f | 87 | |
2cda7d6b | 88 | /* Separators for interactive commands */ |
89 | #define WHITESPACE " \t\r\n" | |
90 | ||
95cbd340 | 91 | /* ls flags */ |
ae7daec3 | 92 | #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */ |
93 | #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */ | |
94 | #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */ | |
95 | #define LS_NAME_SORT 0x08 /* Sort by name (default) */ | |
96 | #define LS_TIME_SORT 0x10 /* Sort by mtime */ | |
97 | #define LS_SIZE_SORT 0x20 /* Sort by file size */ | |
98 | #define LS_REVERSE_SORT 0x40 /* Reverse sort order */ | |
cc4ff6c4 | 99 | #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */ |
95cbd340 | 100 | |
ae7daec3 | 101 | #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW) |
102 | #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT) | |
2cda7d6b | 103 | |
104 | /* Commands for interactive mode */ | |
105 | #define I_CHDIR 1 | |
106 | #define I_CHGRP 2 | |
107 | #define I_CHMOD 3 | |
108 | #define I_CHOWN 4 | |
360b43ab | 109 | #define I_DF 24 |
2cda7d6b | 110 | #define I_GET 5 |
111 | #define I_HELP 6 | |
112 | #define I_LCHDIR 7 | |
113 | #define I_LLS 8 | |
114 | #define I_LMKDIR 9 | |
115 | #define I_LPWD 10 | |
116 | #define I_LS 11 | |
117 | #define I_LUMASK 12 | |
118 | #define I_MKDIR 13 | |
119 | #define I_PUT 14 | |
120 | #define I_PWD 15 | |
121 | #define I_QUIT 16 | |
122 | #define I_RENAME 17 | |
123 | #define I_RM 18 | |
124 | #define I_RMDIR 19 | |
125 | #define I_SHELL 20 | |
126 | #define I_SYMLINK 21 | |
127 | #define I_VERSION 22 | |
128 | #define I_PROGRESS 23 | |
129 | ||
130 | struct CMD { | |
131 | const char *c; | |
132 | const int n; | |
133 | }; | |
134 | ||
135 | static const struct CMD cmds[] = { | |
136 | { "bye", I_QUIT }, | |
137 | { "cd", I_CHDIR }, | |
138 | { "chdir", I_CHDIR }, | |
139 | { "chgrp", I_CHGRP }, | |
140 | { "chmod", I_CHMOD }, | |
141 | { "chown", I_CHOWN }, | |
360b43ab | 142 | { "df", I_DF }, |
2cda7d6b | 143 | { "dir", I_LS }, |
144 | { "exit", I_QUIT }, | |
145 | { "get", I_GET }, | |
146 | { "mget", I_GET }, | |
147 | { "help", I_HELP }, | |
148 | { "lcd", I_LCHDIR }, | |
149 | { "lchdir", I_LCHDIR }, | |
150 | { "lls", I_LLS }, | |
151 | { "lmkdir", I_LMKDIR }, | |
152 | { "ln", I_SYMLINK }, | |
153 | { "lpwd", I_LPWD }, | |
154 | { "ls", I_LS }, | |
155 | { "lumask", I_LUMASK }, | |
156 | { "mkdir", I_MKDIR }, | |
157 | { "progress", I_PROGRESS }, | |
158 | { "put", I_PUT }, | |
159 | { "mput", I_PUT }, | |
160 | { "pwd", I_PWD }, | |
161 | { "quit", I_QUIT }, | |
162 | { "rename", I_RENAME }, | |
163 | { "rm", I_RM }, | |
164 | { "rmdir", I_RMDIR }, | |
165 | { "symlink", I_SYMLINK }, | |
166 | { "version", I_VERSION }, | |
167 | { "!", I_SHELL }, | |
168 | { "?", I_HELP }, | |
169 | { NULL, -1} | |
170 | }; | |
171 | ||
172 | int interactive_loop(int fd_in, int fd_out, char *file1, char *file2); | |
173 | ||
c9625a42 | 174 | /* ARGSUSED */ |
0e5de6f8 | 175 | static void |
176 | killchild(int signo) | |
177 | { | |
3c03ad3f | 178 | if (sshpid > 1) { |
0e5de6f8 | 179 | kill(sshpid, SIGTERM); |
3c03ad3f | 180 | waitpid(sshpid, NULL, 0); |
181 | } | |
0e5de6f8 | 182 | |
183 | _exit(1); | |
184 | } | |
185 | ||
c9625a42 | 186 | /* ARGSUSED */ |
0e5de6f8 | 187 | static void |
188 | cmd_interrupt(int signo) | |
189 | { | |
190 | const char msg[] = "\rInterrupt \n"; | |
47460206 | 191 | int olderrno = errno; |
0e5de6f8 | 192 | |
193 | write(STDERR_FILENO, msg, sizeof(msg) - 1); | |
194 | interrupted = 1; | |
47460206 | 195 | errno = olderrno; |
0e5de6f8 | 196 | } |
197 | ||
2cda7d6b | 198 | static void |
199 | help(void) | |
200 | { | |
201 | printf("Available commands:\n"); | |
202 | printf("cd path Change remote directory to 'path'\n"); | |
203 | printf("lcd path Change local directory to 'path'\n"); | |
204 | printf("chgrp grp path Change group of file 'path' to 'grp'\n"); | |
205 | printf("chmod mode path Change permissions of file 'path' to 'mode'\n"); | |
206 | printf("chown own path Change owner of file 'path' to 'own'\n"); | |
360b43ab | 207 | printf("df [path] Display statistics for current directory or\n"); |
208 | printf(" filesystem containing 'path'\n"); | |
2cda7d6b | 209 | printf("help Display this help text\n"); |
210 | printf("get remote-path [local-path] Download file\n"); | |
211 | printf("lls [ls-options [path]] Display local directory listing\n"); | |
212 | printf("ln oldpath newpath Symlink remote file\n"); | |
213 | printf("lmkdir path Create local directory\n"); | |
214 | printf("lpwd Print local working directory\n"); | |
215 | printf("ls [path] Display remote directory listing\n"); | |
216 | printf("lumask umask Set local umask to 'umask'\n"); | |
217 | printf("mkdir path Create remote directory\n"); | |
218 | printf("progress Toggle display of progress meter\n"); | |
219 | printf("put local-path [remote-path] Upload file\n"); | |
220 | printf("pwd Display remote working directory\n"); | |
221 | printf("exit Quit sftp\n"); | |
222 | printf("quit Quit sftp\n"); | |
223 | printf("rename oldpath newpath Rename remote file\n"); | |
224 | printf("rmdir path Remove remote directory\n"); | |
225 | printf("rm path Delete remote file\n"); | |
226 | printf("symlink oldpath newpath Symlink remote file\n"); | |
227 | printf("version Show SFTP version\n"); | |
228 | printf("!command Execute 'command' in local shell\n"); | |
229 | printf("! Escape to local shell\n"); | |
230 | printf("? Synonym for help\n"); | |
231 | } | |
232 | ||
233 | static void | |
234 | local_do_shell(const char *args) | |
235 | { | |
236 | int status; | |
237 | char *shell; | |
238 | pid_t pid; | |
239 | ||
240 | if (!*args) | |
241 | args = NULL; | |
242 | ||
243 | if ((shell = getenv("SHELL")) == NULL) | |
244 | shell = _PATH_BSHELL; | |
245 | ||
246 | if ((pid = fork()) == -1) | |
247 | fatal("Couldn't fork: %s", strerror(errno)); | |
248 | ||
249 | if (pid == 0) { | |
250 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |
251 | if (args) { | |
252 | debug3("Executing %s -c \"%s\"", shell, args); | |
253 | execl(shell, shell, "-c", args, (char *)NULL); | |
254 | } else { | |
255 | debug3("Executing %s", shell); | |
256 | execl(shell, shell, (char *)NULL); | |
257 | } | |
258 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, | |
259 | strerror(errno)); | |
260 | _exit(1); | |
261 | } | |
262 | while (waitpid(pid, &status, 0) == -1) | |
263 | if (errno != EINTR) | |
264 | fatal("Couldn't wait for child: %s", strerror(errno)); | |
265 | if (!WIFEXITED(status)) | |
522327f5 | 266 | error("Shell exited abnormally"); |
2cda7d6b | 267 | else if (WEXITSTATUS(status)) |
268 | error("Shell exited with status %d", WEXITSTATUS(status)); | |
269 | } | |
270 | ||
271 | static void | |
272 | local_do_ls(const char *args) | |
273 | { | |
274 | if (!args || !*args) | |
275 | local_do_shell(_PATH_LS); | |
276 | else { | |
277 | int len = strlen(_PATH_LS " ") + strlen(args) + 1; | |
278 | char *buf = xmalloc(len); | |
279 | ||
280 | /* XXX: quoting - rip quoting code from ftp? */ | |
281 | snprintf(buf, len, _PATH_LS " %s", args); | |
282 | local_do_shell(buf); | |
283 | xfree(buf); | |
284 | } | |
285 | } | |
286 | ||
287 | /* Strip one path (usually the pwd) from the start of another */ | |
288 | static char * | |
289 | path_strip(char *path, char *strip) | |
290 | { | |
291 | size_t len; | |
0426a3b4 | 292 | |
2cda7d6b | 293 | if (strip == NULL) |
294 | return (xstrdup(path)); | |
295 | ||
296 | len = strlen(strip); | |
47460206 | 297 | if (strncmp(path, strip, len) == 0) { |
2cda7d6b | 298 | if (strip[len - 1] != '/' && path[len] == '/') |
299 | len++; | |
300 | return (xstrdup(path + len)); | |
301 | } | |
302 | ||
303 | return (xstrdup(path)); | |
304 | } | |
305 | ||
306 | static char * | |
307 | path_append(char *p1, char *p2) | |
308 | { | |
309 | char *ret; | |
ce4cf693 | 310 | size_t len = strlen(p1) + strlen(p2) + 2; |
2cda7d6b | 311 | |
312 | ret = xmalloc(len); | |
313 | strlcpy(ret, p1, len); | |
ce4cf693 | 314 | if (p1[0] != '\0' && p1[strlen(p1) - 1] != '/') |
2cda7d6b | 315 | strlcat(ret, "/", len); |
316 | strlcat(ret, p2, len); | |
317 | ||
318 | return(ret); | |
319 | } | |
320 | ||
321 | static char * | |
322 | make_absolute(char *p, char *pwd) | |
323 | { | |
ca75d7de | 324 | char *abs_str; |
2cda7d6b | 325 | |
326 | /* Derelativise */ | |
327 | if (p && p[0] != '/') { | |
ca75d7de | 328 | abs_str = path_append(pwd, p); |
2cda7d6b | 329 | xfree(p); |
ca75d7de | 330 | return(abs_str); |
2cda7d6b | 331 | } else |
332 | return(p); | |
333 | } | |
334 | ||
335 | static int | |
336 | infer_path(const char *p, char **ifp) | |
337 | { | |
338 | char *cp; | |
339 | ||
340 | cp = strrchr(p, '/'); | |
341 | if (cp == NULL) { | |
342 | *ifp = xstrdup(p); | |
343 | return(0); | |
344 | } | |
345 | ||
346 | if (!cp[1]) { | |
347 | error("Invalid path"); | |
348 | return(-1); | |
349 | } | |
350 | ||
351 | *ifp = xstrdup(cp + 1); | |
352 | return(0); | |
353 | } | |
354 | ||
355 | static int | |
a733c71c | 356 | parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag) |
2cda7d6b | 357 | { |
a733c71c | 358 | extern int optind, optreset, opterr; |
359 | int ch; | |
2cda7d6b | 360 | |
a733c71c | 361 | optind = optreset = 1; |
362 | opterr = 0; | |
363 | ||
364 | *pflag = 0; | |
365 | while ((ch = getopt(argc, argv, "Pp")) != -1) { | |
366 | switch (ch) { | |
2cda7d6b | 367 | case 'p': |
368 | case 'P': | |
369 | *pflag = 1; | |
370 | break; | |
371 | default: | |
a733c71c | 372 | error("%s: Invalid flag -%c", cmd, ch); |
373 | return -1; | |
2cda7d6b | 374 | } |
2cda7d6b | 375 | } |
376 | ||
a733c71c | 377 | return optind; |
2cda7d6b | 378 | } |
379 | ||
380 | static int | |
a733c71c | 381 | parse_ls_flags(char **argv, int argc, int *lflag) |
2cda7d6b | 382 | { |
a733c71c | 383 | extern int optind, optreset, opterr; |
384 | int ch; | |
2cda7d6b | 385 | |
a733c71c | 386 | optind = optreset = 1; |
387 | opterr = 0; | |
2cda7d6b | 388 | |
a733c71c | 389 | *lflag = LS_NAME_SORT; |
390 | while ((ch = getopt(argc, argv, "1Saflnrt")) != -1) { | |
391 | switch (ch) { | |
392 | case '1': | |
393 | *lflag &= ~VIEW_FLAGS; | |
394 | *lflag |= LS_SHORT_VIEW; | |
395 | break; | |
396 | case 'S': | |
397 | *lflag &= ~SORT_FLAGS; | |
398 | *lflag |= LS_SIZE_SORT; | |
399 | break; | |
400 | case 'a': | |
401 | *lflag |= LS_SHOW_ALL; | |
402 | break; | |
403 | case 'f': | |
404 | *lflag &= ~SORT_FLAGS; | |
405 | break; | |
406 | case 'l': | |
407 | *lflag &= ~VIEW_FLAGS; | |
408 | *lflag |= LS_LONG_VIEW; | |
409 | break; | |
410 | case 'n': | |
411 | *lflag &= ~VIEW_FLAGS; | |
412 | *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW; | |
413 | break; | |
414 | case 'r': | |
415 | *lflag |= LS_REVERSE_SORT; | |
416 | break; | |
417 | case 't': | |
418 | *lflag &= ~SORT_FLAGS; | |
419 | *lflag |= LS_TIME_SORT; | |
420 | break; | |
421 | default: | |
422 | error("ls: Invalid flag -%c", ch); | |
423 | return -1; | |
2cda7d6b | 424 | } |
2cda7d6b | 425 | } |
2cda7d6b | 426 | |
a733c71c | 427 | return optind; |
2cda7d6b | 428 | } |
429 | ||
360b43ab | 430 | static int |
431 | parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag) | |
432 | { | |
433 | extern int optind, optreset, opterr; | |
434 | int ch; | |
435 | ||
436 | optind = optreset = 1; | |
437 | opterr = 0; | |
438 | ||
439 | *hflag = *iflag = 0; | |
440 | while ((ch = getopt(argc, argv, "hi")) != -1) { | |
441 | switch (ch) { | |
442 | case 'h': | |
443 | *hflag = 1; | |
444 | break; | |
445 | case 'i': | |
446 | *iflag = 1; | |
447 | break; | |
448 | default: | |
449 | error("%s: Invalid flag -%c", cmd, ch); | |
450 | return -1; | |
451 | } | |
452 | } | |
453 | ||
454 | return optind; | |
455 | } | |
456 | ||
2cda7d6b | 457 | static int |
458 | is_dir(char *path) | |
459 | { | |
460 | struct stat sb; | |
461 | ||
462 | /* XXX: report errors? */ | |
463 | if (stat(path, &sb) == -1) | |
464 | return(0); | |
465 | ||
d3fc2aa3 | 466 | return(S_ISDIR(sb.st_mode)); |
2cda7d6b | 467 | } |
468 | ||
2cda7d6b | 469 | static int |
470 | remote_is_dir(struct sftp_conn *conn, char *path) | |
471 | { | |
472 | Attrib *a; | |
473 | ||
474 | /* XXX: report errors? */ | |
475 | if ((a = do_stat(conn, path, 1)) == NULL) | |
476 | return(0); | |
477 | if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) | |
478 | return(0); | |
d3fc2aa3 | 479 | return(S_ISDIR(a->perm)); |
2cda7d6b | 480 | } |
481 | ||
482 | static int | |
483 | process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
484 | { | |
485 | char *abs_src = NULL; | |
486 | char *abs_dst = NULL; | |
487 | char *tmp; | |
488 | glob_t g; | |
489 | int err = 0; | |
490 | int i; | |
491 | ||
492 | abs_src = xstrdup(src); | |
493 | abs_src = make_absolute(abs_src, pwd); | |
494 | ||
495 | memset(&g, 0, sizeof(g)); | |
496 | debug3("Looking up %s", abs_src); | |
497 | if (remote_glob(conn, abs_src, 0, NULL, &g)) { | |
498 | error("File \"%s\" not found.", abs_src); | |
499 | err = -1; | |
500 | goto out; | |
501 | } | |
502 | ||
503 | /* If multiple matches, dst must be a directory or unspecified */ | |
504 | if (g.gl_matchc > 1 && dst && !is_dir(dst)) { | |
505 | error("Multiple files match, but \"%s\" is not a directory", | |
506 | dst); | |
507 | err = -1; | |
508 | goto out; | |
509 | } | |
510 | ||
0e5de6f8 | 511 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 512 | if (infer_path(g.gl_pathv[i], &tmp)) { |
513 | err = -1; | |
514 | goto out; | |
515 | } | |
516 | ||
517 | if (g.gl_matchc == 1 && dst) { | |
518 | /* If directory specified, append filename */ | |
2b8dc5e3 | 519 | xfree(tmp); |
2cda7d6b | 520 | if (is_dir(dst)) { |
521 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
522 | err = 1; | |
523 | goto out; | |
524 | } | |
525 | abs_dst = path_append(dst, tmp); | |
526 | xfree(tmp); | |
527 | } else | |
528 | abs_dst = xstrdup(dst); | |
529 | } else if (dst) { | |
530 | abs_dst = path_append(dst, tmp); | |
531 | xfree(tmp); | |
532 | } else | |
533 | abs_dst = tmp; | |
534 | ||
535 | printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); | |
536 | if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
537 | err = -1; | |
538 | xfree(abs_dst); | |
539 | abs_dst = NULL; | |
540 | } | |
541 | ||
542 | out: | |
543 | xfree(abs_src); | |
2cda7d6b | 544 | globfree(&g); |
545 | return(err); | |
546 | } | |
547 | ||
548 | static int | |
549 | process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
550 | { | |
551 | char *tmp_dst = NULL; | |
552 | char *abs_dst = NULL; | |
553 | char *tmp; | |
554 | glob_t g; | |
555 | int err = 0; | |
556 | int i; | |
70755b3b | 557 | struct stat sb; |
2cda7d6b | 558 | |
559 | if (dst) { | |
560 | tmp_dst = xstrdup(dst); | |
561 | tmp_dst = make_absolute(tmp_dst, pwd); | |
562 | } | |
563 | ||
564 | memset(&g, 0, sizeof(g)); | |
565 | debug3("Looking up %s", src); | |
70755b3b | 566 | if (glob(src, GLOB_NOCHECK, NULL, &g)) { |
2cda7d6b | 567 | error("File \"%s\" not found.", src); |
568 | err = -1; | |
569 | goto out; | |
570 | } | |
571 | ||
572 | /* If multiple matches, dst may be directory or unspecified */ | |
573 | if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) { | |
574 | error("Multiple files match, but \"%s\" is not a directory", | |
575 | tmp_dst); | |
576 | err = -1; | |
577 | goto out; | |
578 | } | |
579 | ||
0e5de6f8 | 580 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
70755b3b | 581 | if (stat(g.gl_pathv[i], &sb) == -1) { |
582 | err = -1; | |
583 | error("stat %s: %s", g.gl_pathv[i], strerror(errno)); | |
584 | continue; | |
585 | } | |
586 | ||
587 | if (!S_ISREG(sb.st_mode)) { | |
2cda7d6b | 588 | error("skipping non-regular file %s", |
589 | g.gl_pathv[i]); | |
590 | continue; | |
591 | } | |
592 | if (infer_path(g.gl_pathv[i], &tmp)) { | |
593 | err = -1; | |
594 | goto out; | |
595 | } | |
596 | ||
597 | if (g.gl_matchc == 1 && tmp_dst) { | |
598 | /* If directory specified, append filename */ | |
599 | if (remote_is_dir(conn, tmp_dst)) { | |
600 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
601 | err = 1; | |
602 | goto out; | |
603 | } | |
604 | abs_dst = path_append(tmp_dst, tmp); | |
605 | xfree(tmp); | |
606 | } else | |
607 | abs_dst = xstrdup(tmp_dst); | |
608 | ||
609 | } else if (tmp_dst) { | |
610 | abs_dst = path_append(tmp_dst, tmp); | |
611 | xfree(tmp); | |
612 | } else | |
613 | abs_dst = make_absolute(tmp, pwd); | |
614 | ||
615 | printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); | |
616 | if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
617 | err = -1; | |
618 | } | |
619 | ||
620 | out: | |
621 | if (abs_dst) | |
622 | xfree(abs_dst); | |
623 | if (tmp_dst) | |
624 | xfree(tmp_dst); | |
625 | globfree(&g); | |
626 | return(err); | |
627 | } | |
628 | ||
629 | static int | |
630 | sdirent_comp(const void *aa, const void *bb) | |
631 | { | |
632 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |
633 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |
ae7daec3 | 634 | int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1; |
2cda7d6b | 635 | |
95cbd340 | 636 | #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1)) |
ae7daec3 | 637 | if (sort_flag & LS_NAME_SORT) |
95cbd340 | 638 | return (rmul * strcmp(a->filename, b->filename)); |
ae7daec3 | 639 | else if (sort_flag & LS_TIME_SORT) |
95cbd340 | 640 | return (rmul * NCMP(a->a.mtime, b->a.mtime)); |
ae7daec3 | 641 | else if (sort_flag & LS_SIZE_SORT) |
95cbd340 | 642 | return (rmul * NCMP(a->a.size, b->a.size)); |
643 | ||
644 | fatal("Unknown ls sort type"); | |
2cda7d6b | 645 | } |
646 | ||
647 | /* sftp ls.1 replacement for directories */ | |
648 | static int | |
649 | do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) | |
650 | { | |
2ceb8101 | 651 | int n; |
652 | u_int c = 1, colspace = 0, columns = 1; | |
2cda7d6b | 653 | SFTP_DIRENT **d; |
654 | ||
655 | if ((n = do_readdir(conn, path, &d)) != 0) | |
656 | return (n); | |
657 | ||
ae7daec3 | 658 | if (!(lflag & LS_SHORT_VIEW)) { |
2ceb8101 | 659 | u_int m = 0, width = 80; |
2cda7d6b | 660 | struct winsize ws; |
661 | char *tmp; | |
662 | ||
663 | /* Count entries for sort and find longest filename */ | |
cc4ff6c4 | 664 | for (n = 0; d[n] != NULL; n++) { |
665 | if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL)) | |
666 | m = MAX(m, strlen(d[n]->filename)); | |
667 | } | |
2cda7d6b | 668 | |
669 | /* Add any subpath that also needs to be counted */ | |
670 | tmp = path_strip(path, strip_path); | |
671 | m += strlen(tmp); | |
672 | xfree(tmp); | |
673 | ||
674 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
675 | width = ws.ws_col; | |
676 | ||
677 | columns = width / (m + 2); | |
678 | columns = MAX(columns, 1); | |
679 | colspace = width / columns; | |
680 | colspace = MIN(colspace, width); | |
681 | } | |
682 | ||
95cbd340 | 683 | if (lflag & SORT_FLAGS) { |
bdd3b323 | 684 | for (n = 0; d[n] != NULL; n++) |
685 | ; /* count entries */ | |
ae7daec3 | 686 | sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT); |
95cbd340 | 687 | qsort(d, n, sizeof(*d), sdirent_comp); |
688 | } | |
2cda7d6b | 689 | |
0e5de6f8 | 690 | for (n = 0; d[n] != NULL && !interrupted; n++) { |
2cda7d6b | 691 | char *tmp, *fname; |
692 | ||
cc4ff6c4 | 693 | if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL)) |
694 | continue; | |
695 | ||
2cda7d6b | 696 | tmp = path_append(path, d[n]->filename); |
697 | fname = path_strip(tmp, strip_path); | |
698 | xfree(tmp); | |
699 | ||
ae7daec3 | 700 | if (lflag & LS_LONG_VIEW) { |
701 | if (lflag & LS_NUMERIC_VIEW) { | |
48925711 | 702 | char *lname; |
703 | struct stat sb; | |
704 | ||
705 | memset(&sb, 0, sizeof(sb)); | |
706 | attrib_to_stat(&d[n]->a, &sb); | |
707 | lname = ls_file(fname, &sb, 1); | |
708 | printf("%s\n", lname); | |
709 | xfree(lname); | |
710 | } else | |
711 | printf("%s\n", d[n]->longname); | |
2cda7d6b | 712 | } else { |
713 | printf("%-*s", colspace, fname); | |
714 | if (c >= columns) { | |
715 | printf("\n"); | |
716 | c = 1; | |
717 | } else | |
718 | c++; | |
719 | } | |
720 | ||
721 | xfree(fname); | |
722 | } | |
723 | ||
ae7daec3 | 724 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
2cda7d6b | 725 | printf("\n"); |
726 | ||
727 | free_sftp_dirents(d); | |
728 | return (0); | |
729 | } | |
730 | ||
731 | /* sftp ls.1 replacement which handles path globs */ | |
732 | static int | |
733 | do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, | |
734 | int lflag) | |
735 | { | |
736 | glob_t g; | |
2ceb8101 | 737 | u_int i, c = 1, colspace = 0, columns = 1; |
2bd204e5 | 738 | Attrib *a = NULL; |
2cda7d6b | 739 | |
740 | memset(&g, 0, sizeof(g)); | |
741 | ||
742 | if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, | |
2bd204e5 | 743 | NULL, &g) || (g.gl_pathc && !g.gl_matchc)) { |
744 | if (g.gl_pathc) | |
745 | globfree(&g); | |
2cda7d6b | 746 | error("Can't ls: \"%s\" not found", path); |
747 | return (-1); | |
748 | } | |
749 | ||
0e5de6f8 | 750 | if (interrupted) |
751 | goto out; | |
752 | ||
2cda7d6b | 753 | /* |
2bd204e5 | 754 | * If the glob returns a single match and it is a directory, |
755 | * then just list its contents. | |
2cda7d6b | 756 | */ |
2bd204e5 | 757 | if (g.gl_matchc == 1) { |
758 | if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) { | |
2cda7d6b | 759 | globfree(&g); |
760 | return (-1); | |
761 | } | |
762 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && | |
763 | S_ISDIR(a->perm)) { | |
2bd204e5 | 764 | int err; |
765 | ||
766 | err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag); | |
2cda7d6b | 767 | globfree(&g); |
2bd204e5 | 768 | return (err); |
2cda7d6b | 769 | } |
770 | } | |
771 | ||
ae7daec3 | 772 | if (!(lflag & LS_SHORT_VIEW)) { |
2ceb8101 | 773 | u_int m = 0, width = 80; |
2cda7d6b | 774 | struct winsize ws; |
775 | ||
776 | /* Count entries for sort and find longest filename */ | |
777 | for (i = 0; g.gl_pathv[i]; i++) | |
778 | m = MAX(m, strlen(g.gl_pathv[i])); | |
779 | ||
780 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
781 | width = ws.ws_col; | |
782 | ||
783 | columns = width / (m + 2); | |
784 | columns = MAX(columns, 1); | |
785 | colspace = width / columns; | |
786 | } | |
787 | ||
2bd204e5 | 788 | for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) { |
2cda7d6b | 789 | char *fname; |
790 | ||
791 | fname = path_strip(g.gl_pathv[i], strip_path); | |
792 | ||
ae7daec3 | 793 | if (lflag & LS_LONG_VIEW) { |
2cda7d6b | 794 | char *lname; |
795 | struct stat sb; | |
796 | ||
797 | /* | |
798 | * XXX: this is slow - 1 roundtrip per path | |
799 | * A solution to this is to fork glob() and | |
800 | * build a sftp specific version which keeps the | |
801 | * attribs (which currently get thrown away) | |
802 | * that the server returns as well as the filenames. | |
803 | */ | |
804 | memset(&sb, 0, sizeof(sb)); | |
2bd204e5 | 805 | if (a == NULL) |
806 | a = do_lstat(conn, g.gl_pathv[i], 1); | |
2cda7d6b | 807 | if (a != NULL) |
808 | attrib_to_stat(a, &sb); | |
809 | lname = ls_file(fname, &sb, 1); | |
810 | printf("%s\n", lname); | |
811 | xfree(lname); | |
812 | } else { | |
813 | printf("%-*s", colspace, fname); | |
814 | if (c >= columns) { | |
815 | printf("\n"); | |
816 | c = 1; | |
817 | } else | |
818 | c++; | |
819 | } | |
820 | xfree(fname); | |
821 | } | |
822 | ||
ae7daec3 | 823 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
2cda7d6b | 824 | printf("\n"); |
825 | ||
0e5de6f8 | 826 | out: |
2cda7d6b | 827 | if (g.gl_pathc) |
828 | globfree(&g); | |
829 | ||
830 | return (0); | |
831 | } | |
832 | ||
360b43ab | 833 | static int |
834 | do_df(struct sftp_conn *conn, char *path, int hflag, int iflag) | |
835 | { | |
836 | struct statvfs st; | |
837 | char s_used[FMT_SCALED_STRSIZE]; | |
838 | char s_avail[FMT_SCALED_STRSIZE]; | |
839 | char s_root[FMT_SCALED_STRSIZE]; | |
840 | char s_total[FMT_SCALED_STRSIZE]; | |
841 | ||
842 | if (do_statvfs(conn, path, &st, 1) == -1) | |
843 | return -1; | |
844 | if (iflag) { | |
845 | printf(" Inodes Used Avail " | |
846 | "(root) %%Capacity\n"); | |
847 | printf("%11llu %11llu %11llu %11llu %3llu%%\n", | |
848 | (unsigned long long)st.f_files, | |
849 | (unsigned long long)(st.f_files - st.f_ffree), | |
850 | (unsigned long long)st.f_favail, | |
851 | (unsigned long long)st.f_ffree, | |
852 | (unsigned long long)(100 * (st.f_files - st.f_ffree) / | |
853 | st.f_files)); | |
854 | } else if (hflag) { | |
855 | strlcpy(s_used, "error", sizeof(s_used)); | |
856 | strlcpy(s_avail, "error", sizeof(s_avail)); | |
857 | strlcpy(s_root, "error", sizeof(s_root)); | |
858 | strlcpy(s_total, "error", sizeof(s_total)); | |
859 | fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used); | |
860 | fmt_scaled(st.f_bavail * st.f_frsize, s_avail); | |
861 | fmt_scaled(st.f_bfree * st.f_frsize, s_root); | |
862 | fmt_scaled(st.f_blocks * st.f_frsize, s_total); | |
863 | printf(" Size Used Avail (root) %%Capacity\n"); | |
864 | printf("%7sB %7sB %7sB %7sB %3llu%%\n", | |
865 | s_total, s_used, s_avail, s_root, | |
866 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
867 | st.f_blocks)); | |
868 | } else { | |
869 | printf(" Size Used Avail " | |
870 | "(root) %%Capacity\n"); | |
871 | printf("%12llu %12llu %12llu %12llu %3llu%%\n", | |
872 | (unsigned long long)(st.f_frsize * st.f_blocks / 1024), | |
873 | (unsigned long long)(st.f_frsize * | |
874 | (st.f_blocks - st.f_bfree) / 1024), | |
875 | (unsigned long long)(st.f_frsize * st.f_bavail / 1024), | |
876 | (unsigned long long)(st.f_frsize * st.f_bfree / 1024), | |
877 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
878 | st.f_blocks)); | |
879 | } | |
880 | return 0; | |
881 | } | |
882 | ||
a733c71c | 883 | /* |
884 | * Undo escaping of glob sequences in place. Used to undo extra escaping | |
885 | * applied in makeargv() when the string is destined for a function that | |
886 | * does not glob it. | |
887 | */ | |
888 | static void | |
889 | undo_glob_escape(char *s) | |
890 | { | |
891 | size_t i, j; | |
892 | ||
893 | for (i = j = 0;;) { | |
894 | if (s[i] == '\0') { | |
895 | s[j] = '\0'; | |
896 | return; | |
897 | } | |
898 | if (s[i] != '\\') { | |
899 | s[j++] = s[i++]; | |
900 | continue; | |
901 | } | |
902 | /* s[i] == '\\' */ | |
903 | ++i; | |
904 | switch (s[i]) { | |
905 | case '?': | |
906 | case '[': | |
907 | case '*': | |
908 | case '\\': | |
909 | s[j++] = s[i++]; | |
910 | break; | |
911 | case '\0': | |
912 | s[j++] = '\\'; | |
913 | s[j] = '\0'; | |
914 | return; | |
915 | default: | |
916 | s[j++] = '\\'; | |
917 | s[j++] = s[i++]; | |
918 | break; | |
919 | } | |
920 | } | |
921 | } | |
922 | ||
923 | /* | |
924 | * Split a string into an argument vector using sh(1)-style quoting, | |
925 | * comment and escaping rules, but with some tweaks to handle glob(3) | |
926 | * wildcards. | |
927 | * Returns NULL on error or a NULL-terminated array of arguments. | |
928 | */ | |
929 | #define MAXARGS 128 | |
930 | #define MAXARGLEN 8192 | |
931 | static char ** | |
932 | makeargv(const char *arg, int *argcp) | |
933 | { | |
934 | int argc, quot; | |
935 | size_t i, j; | |
936 | static char argvs[MAXARGLEN]; | |
937 | static char *argv[MAXARGS + 1]; | |
938 | enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q; | |
939 | ||
940 | *argcp = argc = 0; | |
941 | if (strlen(arg) > sizeof(argvs) - 1) { | |
942 | args_too_longs: | |
943 | error("string too long"); | |
944 | return NULL; | |
945 | } | |
946 | state = MA_START; | |
947 | i = j = 0; | |
948 | for (;;) { | |
949 | if (isspace(arg[i])) { | |
950 | if (state == MA_UNQUOTED) { | |
951 | /* Terminate current argument */ | |
952 | argvs[j++] = '\0'; | |
953 | argc++; | |
954 | state = MA_START; | |
955 | } else if (state != MA_START) | |
956 | argvs[j++] = arg[i]; | |
957 | } else if (arg[i] == '"' || arg[i] == '\'') { | |
958 | q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE; | |
959 | if (state == MA_START) { | |
960 | argv[argc] = argvs + j; | |
961 | state = q; | |
962 | } else if (state == MA_UNQUOTED) | |
963 | state = q; | |
964 | else if (state == q) | |
965 | state = MA_UNQUOTED; | |
966 | else | |
967 | argvs[j++] = arg[i]; | |
968 | } else if (arg[i] == '\\') { | |
969 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
970 | quot = state == MA_SQUOTE ? '\'' : '"'; | |
971 | /* Unescape quote we are in */ | |
972 | /* XXX support \n and friends? */ | |
973 | if (arg[i + 1] == quot) { | |
974 | i++; | |
975 | argvs[j++] = arg[i]; | |
976 | } else if (arg[i + 1] == '?' || | |
977 | arg[i + 1] == '[' || arg[i + 1] == '*') { | |
978 | /* | |
979 | * Special case for sftp: append | |
980 | * double-escaped glob sequence - | |
981 | * glob will undo one level of | |
982 | * escaping. NB. string can grow here. | |
983 | */ | |
984 | if (j >= sizeof(argvs) - 5) | |
985 | goto args_too_longs; | |
986 | argvs[j++] = '\\'; | |
987 | argvs[j++] = arg[i++]; | |
988 | argvs[j++] = '\\'; | |
989 | argvs[j++] = arg[i]; | |
990 | } else { | |
991 | argvs[j++] = arg[i++]; | |
992 | argvs[j++] = arg[i]; | |
993 | } | |
994 | } else { | |
995 | if (state == MA_START) { | |
996 | argv[argc] = argvs + j; | |
997 | state = MA_UNQUOTED; | |
998 | } | |
999 | if (arg[i + 1] == '?' || arg[i + 1] == '[' || | |
1000 | arg[i + 1] == '*' || arg[i + 1] == '\\') { | |
1001 | /* | |
1002 | * Special case for sftp: append | |
1003 | * escaped glob sequence - | |
1004 | * glob will undo one level of | |
1005 | * escaping. | |
1006 | */ | |
1007 | argvs[j++] = arg[i++]; | |
1008 | argvs[j++] = arg[i]; | |
1009 | } else { | |
1010 | /* Unescape everything */ | |
1011 | /* XXX support \n and friends? */ | |
1012 | i++; | |
1013 | argvs[j++] = arg[i]; | |
1014 | } | |
1015 | } | |
1016 | } else if (arg[i] == '#') { | |
1017 | if (state == MA_SQUOTE || state == MA_DQUOTE) | |
1018 | argvs[j++] = arg[i]; | |
1019 | else | |
1020 | goto string_done; | |
1021 | } else if (arg[i] == '\0') { | |
1022 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
1023 | error("Unterminated quoted argument"); | |
1024 | return NULL; | |
1025 | } | |
1026 | string_done: | |
1027 | if (state == MA_UNQUOTED) { | |
1028 | argvs[j++] = '\0'; | |
1029 | argc++; | |
1030 | } | |
1031 | break; | |
1032 | } else { | |
1033 | if (state == MA_START) { | |
1034 | argv[argc] = argvs + j; | |
1035 | state = MA_UNQUOTED; | |
1036 | } | |
1037 | if ((state == MA_SQUOTE || state == MA_DQUOTE) && | |
1038 | (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) { | |
1039 | /* | |
1040 | * Special case for sftp: escape quoted | |
1041 | * glob(3) wildcards. NB. string can grow | |
1042 | * here. | |
1043 | */ | |
1044 | if (j >= sizeof(argvs) - 3) | |
1045 | goto args_too_longs; | |
1046 | argvs[j++] = '\\'; | |
1047 | argvs[j++] = arg[i]; | |
1048 | } else | |
1049 | argvs[j++] = arg[i]; | |
1050 | } | |
1051 | i++; | |
1052 | } | |
1053 | *argcp = argc; | |
1054 | return argv; | |
1055 | } | |
1056 | ||
2cda7d6b | 1057 | static int |
360b43ab | 1058 | parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, int *hflag, |
2cda7d6b | 1059 | unsigned long *n_arg, char **path1, char **path2) |
1060 | { | |
1061 | const char *cmd, *cp = *cpp; | |
a733c71c | 1062 | char *cp2, **argv; |
2cda7d6b | 1063 | int base = 0; |
1064 | long l; | |
a733c71c | 1065 | int i, cmdnum, optidx, argc; |
2cda7d6b | 1066 | |
1067 | /* Skip leading whitespace */ | |
1068 | cp = cp + strspn(cp, WHITESPACE); | |
1069 | ||
1070 | /* Ignore blank lines and lines which begin with comment '#' char */ | |
1071 | if (*cp == '\0' || *cp == '#') | |
1072 | return (0); | |
1073 | ||
1074 | /* Check for leading '-' (disable error processing) */ | |
1075 | *iflag = 0; | |
1076 | if (*cp == '-') { | |
1077 | *iflag = 1; | |
1078 | cp++; | |
1079 | } | |
1080 | ||
a733c71c | 1081 | if ((argv = makeargv(cp, &argc)) == NULL) |
1082 | return -1; | |
1083 | ||
2cda7d6b | 1084 | /* Figure out which command we have */ |
a733c71c | 1085 | for (i = 0; cmds[i].c != NULL; i++) { |
1086 | if (strcasecmp(cmds[i].c, argv[0]) == 0) | |
2cda7d6b | 1087 | break; |
2cda7d6b | 1088 | } |
1089 | cmdnum = cmds[i].n; | |
1090 | cmd = cmds[i].c; | |
1091 | ||
1092 | /* Special case */ | |
1093 | if (*cp == '!') { | |
1094 | cp++; | |
1095 | cmdnum = I_SHELL; | |
1096 | } else if (cmdnum == -1) { | |
1097 | error("Invalid command."); | |
a733c71c | 1098 | return -1; |
2cda7d6b | 1099 | } |
1100 | ||
1101 | /* Get arguments and parse flags */ | |
360b43ab | 1102 | *lflag = *pflag = *hflag = *n_arg = 0; |
2cda7d6b | 1103 | *path1 = *path2 = NULL; |
a733c71c | 1104 | optidx = 1; |
2cda7d6b | 1105 | switch (cmdnum) { |
1106 | case I_GET: | |
1107 | case I_PUT: | |
a733c71c | 1108 | if ((optidx = parse_getput_flags(cmd, argv, argc, pflag)) == -1) |
1109 | return -1; | |
2cda7d6b | 1110 | /* Get first pathname (mandatory) */ |
a733c71c | 1111 | if (argc - optidx < 1) { |
2cda7d6b | 1112 | error("You must specify at least one path after a " |
1113 | "%s command.", cmd); | |
a733c71c | 1114 | return -1; |
1115 | } | |
1116 | *path1 = xstrdup(argv[optidx]); | |
1117 | /* Get second pathname (optional) */ | |
1118 | if (argc - optidx > 1) { | |
1119 | *path2 = xstrdup(argv[optidx + 1]); | |
1120 | /* Destination is not globbed */ | |
1121 | undo_glob_escape(*path2); | |
2cda7d6b | 1122 | } |
2cda7d6b | 1123 | break; |
1124 | case I_RENAME: | |
1125 | case I_SYMLINK: | |
a733c71c | 1126 | if (argc - optidx < 2) { |
2cda7d6b | 1127 | error("You must specify two paths after a %s " |
1128 | "command.", cmd); | |
a733c71c | 1129 | return -1; |
2cda7d6b | 1130 | } |
a733c71c | 1131 | *path1 = xstrdup(argv[optidx]); |
1132 | *path2 = xstrdup(argv[optidx + 1]); | |
1133 | /* Paths are not globbed */ | |
1134 | undo_glob_escape(*path1); | |
1135 | undo_glob_escape(*path2); | |
2cda7d6b | 1136 | break; |
1137 | case I_RM: | |
1138 | case I_MKDIR: | |
1139 | case I_RMDIR: | |
1140 | case I_CHDIR: | |
1141 | case I_LCHDIR: | |
1142 | case I_LMKDIR: | |
1143 | /* Get pathname (mandatory) */ | |
a733c71c | 1144 | if (argc - optidx < 1) { |
2cda7d6b | 1145 | error("You must specify a path after a %s command.", |
1146 | cmd); | |
a733c71c | 1147 | return -1; |
2cda7d6b | 1148 | } |
a733c71c | 1149 | *path1 = xstrdup(argv[optidx]); |
1150 | /* Only "rm" globs */ | |
1151 | if (cmdnum != I_RM) | |
1152 | undo_glob_escape(*path1); | |
2cda7d6b | 1153 | break; |
360b43ab | 1154 | case I_DF: |
1155 | if ((optidx = parse_df_flags(cmd, argv, argc, hflag, | |
1156 | iflag)) == -1) | |
1157 | return -1; | |
1158 | /* Default to current directory if no path specified */ | |
1159 | if (argc - optidx < 1) | |
1160 | *path1 = NULL; | |
1161 | else { | |
1162 | *path1 = xstrdup(argv[optidx]); | |
1163 | undo_glob_escape(*path1); | |
1164 | } | |
1165 | break; | |
2cda7d6b | 1166 | case I_LS: |
a733c71c | 1167 | if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1) |
2cda7d6b | 1168 | return(-1); |
1169 | /* Path is optional */ | |
a733c71c | 1170 | if (argc - optidx > 0) |
1171 | *path1 = xstrdup(argv[optidx]); | |
2cda7d6b | 1172 | break; |
1173 | case I_LLS: | |
65172fff | 1174 | /* Skip ls command and following whitespace */ |
1175 | cp = cp + strlen(cmd) + strspn(cp, WHITESPACE); | |
2cda7d6b | 1176 | case I_SHELL: |
1177 | /* Uses the rest of the line */ | |
1178 | break; | |
1179 | case I_LUMASK: | |
2cda7d6b | 1180 | case I_CHMOD: |
1181 | base = 8; | |
1182 | case I_CHOWN: | |
1183 | case I_CHGRP: | |
1184 | /* Get numeric arg (mandatory) */ | |
a733c71c | 1185 | if (argc - optidx < 1) |
1186 | goto need_num_arg; | |
b3c338b7 | 1187 | errno = 0; |
a733c71c | 1188 | l = strtol(argv[optidx], &cp2, base); |
1189 | if (cp2 == argv[optidx] || *cp2 != '\0' || | |
1190 | ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) || | |
1191 | l < 0) { | |
1192 | need_num_arg: | |
2cda7d6b | 1193 | error("You must supply a numeric argument " |
1194 | "to the %s command.", cmd); | |
a733c71c | 1195 | return -1; |
2cda7d6b | 1196 | } |
2cda7d6b | 1197 | *n_arg = l; |
a733c71c | 1198 | if (cmdnum == I_LUMASK) |
2cda7d6b | 1199 | break; |
2cda7d6b | 1200 | /* Get pathname (mandatory) */ |
a733c71c | 1201 | if (argc - optidx < 2) { |
2cda7d6b | 1202 | error("You must specify a path after a %s command.", |
1203 | cmd); | |
a733c71c | 1204 | return -1; |
2cda7d6b | 1205 | } |
a733c71c | 1206 | *path1 = xstrdup(argv[optidx + 1]); |
2cda7d6b | 1207 | break; |
1208 | case I_QUIT: | |
1209 | case I_PWD: | |
1210 | case I_LPWD: | |
1211 | case I_HELP: | |
1212 | case I_VERSION: | |
1213 | case I_PROGRESS: | |
1214 | break; | |
1215 | default: | |
1216 | fatal("Command not implemented"); | |
1217 | } | |
1218 | ||
1219 | *cpp = cp; | |
1220 | return(cmdnum); | |
1221 | } | |
1222 | ||
1223 | static int | |
1224 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, | |
1225 | int err_abort) | |
1226 | { | |
1227 | char *path1, *path2, *tmp; | |
360b43ab | 1228 | int pflag, lflag, iflag, hflag, cmdnum, i; |
2cda7d6b | 1229 | unsigned long n_arg; |
1230 | Attrib a, *aa; | |
1231 | char path_buf[MAXPATHLEN]; | |
1232 | int err = 0; | |
1233 | glob_t g; | |
1234 | ||
1235 | path1 = path2 = NULL; | |
360b43ab | 1236 | cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &hflag, &n_arg, |
2cda7d6b | 1237 | &path1, &path2); |
1238 | ||
1239 | if (iflag != 0) | |
1240 | err_abort = 0; | |
1241 | ||
1242 | memset(&g, 0, sizeof(g)); | |
1243 | ||
1244 | /* Perform command */ | |
1245 | switch (cmdnum) { | |
1246 | case 0: | |
1247 | /* Blank line */ | |
1248 | break; | |
1249 | case -1: | |
1250 | /* Unrecognized command */ | |
1251 | err = -1; | |
1252 | break; | |
1253 | case I_GET: | |
1254 | err = process_get(conn, path1, path2, *pwd, pflag); | |
1255 | break; | |
1256 | case I_PUT: | |
1257 | err = process_put(conn, path1, path2, *pwd, pflag); | |
1258 | break; | |
1259 | case I_RENAME: | |
1260 | path1 = make_absolute(path1, *pwd); | |
1261 | path2 = make_absolute(path2, *pwd); | |
1262 | err = do_rename(conn, path1, path2); | |
1263 | break; | |
1264 | case I_SYMLINK: | |
1265 | path2 = make_absolute(path2, *pwd); | |
1266 | err = do_symlink(conn, path1, path2); | |
1267 | break; | |
1268 | case I_RM: | |
1269 | path1 = make_absolute(path1, *pwd); | |
1270 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1271 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1272 | printf("Removing %s\n", g.gl_pathv[i]); |
1273 | err = do_rm(conn, g.gl_pathv[i]); | |
1274 | if (err != 0 && err_abort) | |
1275 | break; | |
1276 | } | |
1277 | break; | |
1278 | case I_MKDIR: | |
1279 | path1 = make_absolute(path1, *pwd); | |
1280 | attrib_clear(&a); | |
1281 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1282 | a.perm = 0777; | |
1283 | err = do_mkdir(conn, path1, &a); | |
1284 | break; | |
1285 | case I_RMDIR: | |
1286 | path1 = make_absolute(path1, *pwd); | |
1287 | err = do_rmdir(conn, path1); | |
1288 | break; | |
1289 | case I_CHDIR: | |
1290 | path1 = make_absolute(path1, *pwd); | |
1291 | if ((tmp = do_realpath(conn, path1)) == NULL) { | |
1292 | err = 1; | |
1293 | break; | |
1294 | } | |
1295 | if ((aa = do_stat(conn, tmp, 0)) == NULL) { | |
1296 | xfree(tmp); | |
1297 | err = 1; | |
1298 | break; | |
1299 | } | |
1300 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { | |
1301 | error("Can't change directory: Can't check target"); | |
1302 | xfree(tmp); | |
1303 | err = 1; | |
1304 | break; | |
1305 | } | |
1306 | if (!S_ISDIR(aa->perm)) { | |
1307 | error("Can't change directory: \"%s\" is not " | |
1308 | "a directory", tmp); | |
1309 | xfree(tmp); | |
1310 | err = 1; | |
1311 | break; | |
1312 | } | |
1313 | xfree(*pwd); | |
1314 | *pwd = tmp; | |
1315 | break; | |
1316 | case I_LS: | |
1317 | if (!path1) { | |
1318 | do_globbed_ls(conn, *pwd, *pwd, lflag); | |
1319 | break; | |
1320 | } | |
1321 | ||
1322 | /* Strip pwd off beginning of non-absolute paths */ | |
1323 | tmp = NULL; | |
1324 | if (*path1 != '/') | |
1325 | tmp = *pwd; | |
1326 | ||
1327 | path1 = make_absolute(path1, *pwd); | |
1328 | err = do_globbed_ls(conn, path1, tmp, lflag); | |
1329 | break; | |
360b43ab | 1330 | case I_DF: |
1331 | /* Default to current directory if no path specified */ | |
1332 | if (path1 == NULL) | |
1333 | path1 = xstrdup(*pwd); | |
1334 | path1 = make_absolute(path1, *pwd); | |
1335 | err = do_df(conn, path1, hflag, iflag); | |
1336 | break; | |
2cda7d6b | 1337 | case I_LCHDIR: |
1338 | if (chdir(path1) == -1) { | |
1339 | error("Couldn't change local directory to " | |
1340 | "\"%s\": %s", path1, strerror(errno)); | |
1341 | err = 1; | |
1342 | } | |
1343 | break; | |
1344 | case I_LMKDIR: | |
1345 | if (mkdir(path1, 0777) == -1) { | |
1346 | error("Couldn't create local directory " | |
1347 | "\"%s\": %s", path1, strerror(errno)); | |
1348 | err = 1; | |
1349 | } | |
1350 | break; | |
1351 | case I_LLS: | |
1352 | local_do_ls(cmd); | |
1353 | break; | |
1354 | case I_SHELL: | |
1355 | local_do_shell(cmd); | |
1356 | break; | |
1357 | case I_LUMASK: | |
1358 | umask(n_arg); | |
1359 | printf("Local umask: %03lo\n", n_arg); | |
1360 | break; | |
1361 | case I_CHMOD: | |
1362 | path1 = make_absolute(path1, *pwd); | |
1363 | attrib_clear(&a); | |
1364 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1365 | a.perm = n_arg; | |
1366 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1367 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1368 | printf("Changing mode on %s\n", g.gl_pathv[i]); |
1369 | err = do_setstat(conn, g.gl_pathv[i], &a); | |
1370 | if (err != 0 && err_abort) | |
1371 | break; | |
1372 | } | |
1373 | break; | |
1374 | case I_CHOWN: | |
1375 | case I_CHGRP: | |
1376 | path1 = make_absolute(path1, *pwd); | |
1377 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1378 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1379 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { |
1380 | if (err != 0 && err_abort) | |
1381 | break; | |
1382 | else | |
1383 | continue; | |
1384 | } | |
1385 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { | |
1386 | error("Can't get current ownership of " | |
1387 | "remote file \"%s\"", g.gl_pathv[i]); | |
1388 | if (err != 0 && err_abort) | |
1389 | break; | |
1390 | else | |
1391 | continue; | |
1392 | } | |
1393 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
1394 | if (cmdnum == I_CHOWN) { | |
1395 | printf("Changing owner on %s\n", g.gl_pathv[i]); | |
1396 | aa->uid = n_arg; | |
1397 | } else { | |
1398 | printf("Changing group on %s\n", g.gl_pathv[i]); | |
1399 | aa->gid = n_arg; | |
1400 | } | |
1401 | err = do_setstat(conn, g.gl_pathv[i], aa); | |
1402 | if (err != 0 && err_abort) | |
1403 | break; | |
1404 | } | |
1405 | break; | |
1406 | case I_PWD: | |
1407 | printf("Remote working directory: %s\n", *pwd); | |
1408 | break; | |
1409 | case I_LPWD: | |
1410 | if (!getcwd(path_buf, sizeof(path_buf))) { | |
1411 | error("Couldn't get local cwd: %s", strerror(errno)); | |
1412 | err = -1; | |
1413 | break; | |
1414 | } | |
1415 | printf("Local working directory: %s\n", path_buf); | |
1416 | break; | |
1417 | case I_QUIT: | |
1418 | /* Processed below */ | |
1419 | break; | |
1420 | case I_HELP: | |
1421 | help(); | |
1422 | break; | |
1423 | case I_VERSION: | |
1424 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); | |
1425 | break; | |
1426 | case I_PROGRESS: | |
1427 | showprogress = !showprogress; | |
1428 | if (showprogress) | |
1429 | printf("Progress meter enabled\n"); | |
1430 | else | |
1431 | printf("Progress meter disabled\n"); | |
1432 | break; | |
1433 | default: | |
1434 | fatal("%d is not implemented", cmdnum); | |
1435 | } | |
1436 | ||
1437 | if (g.gl_pathc) | |
1438 | globfree(&g); | |
1439 | if (path1) | |
1440 | xfree(path1); | |
1441 | if (path2) | |
1442 | xfree(path2); | |
1443 | ||
1444 | /* If an unignored error occurs in batch mode we should abort. */ | |
1445 | if (err_abort && err != 0) | |
1446 | return (-1); | |
1447 | else if (cmdnum == I_QUIT) | |
1448 | return (1); | |
1449 | ||
1450 | return (0); | |
1451 | } | |
1452 | ||
5132eac0 | 1453 | #ifdef USE_LIBEDIT |
1454 | static char * | |
1455 | prompt(EditLine *el) | |
1456 | { | |
1457 | return ("sftp> "); | |
1458 | } | |
1459 | #endif | |
1460 | ||
2cda7d6b | 1461 | int |
1462 | interactive_loop(int fd_in, int fd_out, char *file1, char *file2) | |
1463 | { | |
1464 | char *pwd; | |
1465 | char *dir = NULL; | |
1466 | char cmd[2048]; | |
1467 | struct sftp_conn *conn; | |
0aa1cc4b | 1468 | int err, interactive; |
5132eac0 | 1469 | EditLine *el = NULL; |
1470 | #ifdef USE_LIBEDIT | |
1471 | History *hl = NULL; | |
1472 | HistEvent hev; | |
1473 | extern char *__progname; | |
1474 | ||
1475 | if (!batchmode && isatty(STDIN_FILENO)) { | |
1476 | if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL) | |
1477 | fatal("Couldn't initialise editline"); | |
1478 | if ((hl = history_init()) == NULL) | |
1479 | fatal("Couldn't initialise editline history"); | |
1480 | history(hl, &hev, H_SETSIZE, 100); | |
1481 | el_set(el, EL_HIST, history, hl); | |
1482 | ||
1483 | el_set(el, EL_PROMPT, prompt); | |
1484 | el_set(el, EL_EDITOR, "emacs"); | |
1485 | el_set(el, EL_TERMINAL, NULL); | |
1486 | el_set(el, EL_SIGNAL, 1); | |
1487 | el_source(el, NULL); | |
1488 | } | |
1489 | #endif /* USE_LIBEDIT */ | |
2cda7d6b | 1490 | |
1491 | conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); | |
1492 | if (conn == NULL) | |
1493 | fatal("Couldn't initialise connection to server"); | |
1494 | ||
1495 | pwd = do_realpath(conn, "."); | |
1496 | if (pwd == NULL) | |
1497 | fatal("Need cwd"); | |
1498 | ||
1499 | if (file1 != NULL) { | |
1500 | dir = xstrdup(file1); | |
1501 | dir = make_absolute(dir, pwd); | |
1502 | ||
1503 | if (remote_is_dir(conn, dir) && file2 == NULL) { | |
1504 | printf("Changing to: %s\n", dir); | |
1505 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |
aa41be57 | 1506 | if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) { |
1507 | xfree(dir); | |
1508 | xfree(pwd); | |
e6a3cfb5 | 1509 | xfree(conn); |
2cda7d6b | 1510 | return (-1); |
aa41be57 | 1511 | } |
2cda7d6b | 1512 | } else { |
1513 | if (file2 == NULL) | |
1514 | snprintf(cmd, sizeof cmd, "get %s", dir); | |
1515 | else | |
1516 | snprintf(cmd, sizeof cmd, "get %s %s", dir, | |
1517 | file2); | |
1518 | ||
1519 | err = parse_dispatch_command(conn, cmd, &pwd, 1); | |
1520 | xfree(dir); | |
1521 | xfree(pwd); | |
e6a3cfb5 | 1522 | xfree(conn); |
2cda7d6b | 1523 | return (err); |
1524 | } | |
1525 | xfree(dir); | |
1526 | } | |
1527 | ||
157b6700 | 1528 | #if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF) |
2cda7d6b | 1529 | setvbuf(stdout, NULL, _IOLBF, 0); |
1530 | setvbuf(infile, NULL, _IOLBF, 0); | |
1531 | #else | |
ed9e8be3 | 1532 | setlinebuf(stdout); |
1533 | setlinebuf(infile); | |
2cda7d6b | 1534 | #endif |
1535 | ||
0aa1cc4b | 1536 | interactive = !batchmode && isatty(STDIN_FILENO); |
2cda7d6b | 1537 | err = 0; |
1538 | for (;;) { | |
1539 | char *cp; | |
1540 | ||
0e5de6f8 | 1541 | signal(SIGINT, SIG_IGN); |
1542 | ||
5132eac0 | 1543 | if (el == NULL) { |
0aa1cc4b | 1544 | if (interactive) |
1545 | printf("sftp> "); | |
5132eac0 | 1546 | if (fgets(cmd, sizeof(cmd), infile) == NULL) { |
0aa1cc4b | 1547 | if (interactive) |
1548 | printf("\n"); | |
5132eac0 | 1549 | break; |
1550 | } | |
0aa1cc4b | 1551 | if (!interactive) { /* Echo command */ |
1552 | printf("sftp> %s", cmd); | |
1553 | if (strlen(cmd) > 0 && | |
1554 | cmd[strlen(cmd) - 1] != '\n') | |
1555 | printf("\n"); | |
1556 | } | |
5132eac0 | 1557 | } else { |
1558 | #ifdef USE_LIBEDIT | |
1559 | const char *line; | |
1560 | int count = 0; | |
2cda7d6b | 1561 | |
0aa1cc4b | 1562 | if ((line = el_gets(el, &count)) == NULL || count <= 0) { |
1563 | printf("\n"); | |
1564 | break; | |
1565 | } | |
5132eac0 | 1566 | history(hl, &hev, H_ENTER, line); |
1567 | if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) { | |
1568 | fprintf(stderr, "Error: input line too long\n"); | |
1569 | continue; | |
1570 | } | |
1571 | #endif /* USE_LIBEDIT */ | |
2cda7d6b | 1572 | } |
1573 | ||
2cda7d6b | 1574 | cp = strrchr(cmd, '\n'); |
1575 | if (cp) | |
1576 | *cp = '\0'; | |
1577 | ||
0e5de6f8 | 1578 | /* Handle user interrupts gracefully during commands */ |
1579 | interrupted = 0; | |
1580 | signal(SIGINT, cmd_interrupt); | |
1581 | ||
2cda7d6b | 1582 | err = parse_dispatch_command(conn, cmd, &pwd, batchmode); |
1583 | if (err != 0) | |
1584 | break; | |
1585 | } | |
1586 | xfree(pwd); | |
e6a3cfb5 | 1587 | xfree(conn); |
2cda7d6b | 1588 | |
a345f787 | 1589 | #ifdef USE_LIBEDIT |
0aa1cc4b | 1590 | if (el != NULL) |
1591 | el_end(el); | |
a345f787 | 1592 | #endif /* USE_LIBEDIT */ |
0aa1cc4b | 1593 | |
2cda7d6b | 1594 | /* err == 1 signifies normal "quit" exit */ |
1595 | return (err >= 0 ? 0 : -1); | |
1596 | } | |
b65c3807 | 1597 | |
1b558925 | 1598 | static void |
1599 | connect_to_server(char *path, char **args, int *in, int *out) | |
61e96248 | 1600 | { |
1601 | int c_in, c_out; | |
9906a836 | 1602 | |
61e96248 | 1603 | #ifdef USE_PIPES |
1604 | int pin[2], pout[2]; | |
9906a836 | 1605 | |
61e96248 | 1606 | if ((pipe(pin) == -1) || (pipe(pout) == -1)) |
1607 | fatal("pipe: %s", strerror(errno)); | |
1608 | *in = pin[0]; | |
1609 | *out = pout[1]; | |
1610 | c_in = pout[0]; | |
1611 | c_out = pin[1]; | |
1612 | #else /* USE_PIPES */ | |
1613 | int inout[2]; | |
9906a836 | 1614 | |
61e96248 | 1615 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1) |
1616 | fatal("socketpair: %s", strerror(errno)); | |
1617 | *in = *out = inout[0]; | |
1618 | c_in = c_out = inout[1]; | |
1619 | #endif /* USE_PIPES */ | |
1620 | ||
1b558925 | 1621 | if ((sshpid = fork()) == -1) |
61e96248 | 1622 | fatal("fork: %s", strerror(errno)); |
1b558925 | 1623 | else if (sshpid == 0) { |
61e96248 | 1624 | if ((dup2(c_in, STDIN_FILENO) == -1) || |
1625 | (dup2(c_out, STDOUT_FILENO) == -1)) { | |
1626 | fprintf(stderr, "dup2: %s\n", strerror(errno)); | |
8dbffee9 | 1627 | _exit(1); |
61e96248 | 1628 | } |
1629 | close(*in); | |
1630 | close(*out); | |
1631 | close(c_in); | |
1632 | close(c_out); | |
0e5de6f8 | 1633 | |
1634 | /* | |
1635 | * The underlying ssh is in the same process group, so we must | |
f2107e97 | 1636 | * ignore SIGINT if we want to gracefully abort commands, |
1637 | * otherwise the signal will make it to the ssh process and | |
0e5de6f8 | 1638 | * kill it too |
1639 | */ | |
1640 | signal(SIGINT, SIG_IGN); | |
35e49915 | 1641 | execvp(path, args); |
a96fd7c2 | 1642 | fprintf(stderr, "exec: %s: %s\n", path, strerror(errno)); |
8dbffee9 | 1643 | _exit(1); |
61e96248 | 1644 | } |
1645 | ||
1b558925 | 1646 | signal(SIGTERM, killchild); |
1647 | signal(SIGINT, killchild); | |
1648 | signal(SIGHUP, killchild); | |
61e96248 | 1649 | close(c_in); |
1650 | close(c_out); | |
1651 | } | |
1652 | ||
396c147e | 1653 | static void |
61e96248 | 1654 | usage(void) |
1655 | { | |
22be05a5 | 1656 | extern char *__progname; |
762715ce | 1657 | |
f1278af7 | 1658 | fprintf(stderr, |
433e60ac | 1659 | "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n" |
1660 | " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n" | |
1661 | " [-S program] [-s subsystem | sftp_server] host\n" | |
1662 | " %s [[user@]host[:file [file]]]\n" | |
1663 | " %s [[user@]host[:dir[/]]]\n" | |
1664 | " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname); | |
61e96248 | 1665 | exit(1); |
1666 | } | |
1667 | ||
2b87da3b | 1668 | int |
61e96248 | 1669 | main(int argc, char **argv) |
1670 | { | |
9a36208d | 1671 | int in, out, ch, err; |
6e007f08 | 1672 | char *host, *userhost, *cp, *file2 = NULL; |
8a624ebf | 1673 | int debug_level = 0, sshver = 2; |
1674 | char *file1 = NULL, *sftp_server = NULL; | |
a96fd7c2 | 1675 | char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL; |
8a624ebf | 1676 | LogLevel ll = SYSLOG_LEVEL_INFO; |
1677 | arglist args; | |
0426a3b4 | 1678 | extern int optind; |
1679 | extern char *optarg; | |
61e96248 | 1680 | |
fd6168c1 | 1681 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
1682 | sanitise_stdfd(); | |
1683 | ||
fda04d7d | 1684 | __progname = ssh_get_progname(argv[0]); |
4116f5c0 | 1685 | memset(&args, '\0', sizeof(args)); |
8a624ebf | 1686 | args.list = NULL; |
e56b07ea | 1687 | addargs(&args, "%s", ssh_program); |
8a624ebf | 1688 | addargs(&args, "-oForwardX11 no"); |
1689 | addargs(&args, "-oForwardAgent no"); | |
d20f3c9e | 1690 | addargs(&args, "-oPermitLocalCommand no"); |
e1c5bfaf | 1691 | addargs(&args, "-oClearAllForwardings yes"); |
ac414e17 | 1692 | |
8a624ebf | 1693 | ll = SYSLOG_LEVEL_INFO; |
ac414e17 | 1694 | infile = stdin; |
0426a3b4 | 1695 | |
c25d3df7 | 1696 | while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) { |
0426a3b4 | 1697 | switch (ch) { |
1698 | case 'C': | |
8a624ebf | 1699 | addargs(&args, "-C"); |
0426a3b4 | 1700 | break; |
1701 | case 'v': | |
8a624ebf | 1702 | if (debug_level < 3) { |
1703 | addargs(&args, "-v"); | |
1704 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; | |
1705 | } | |
1706 | debug_level++; | |
0426a3b4 | 1707 | break; |
f1278af7 | 1708 | case 'F': |
0426a3b4 | 1709 | case 'o': |
f1278af7 | 1710 | addargs(&args, "-%c%s", ch, optarg); |
0426a3b4 | 1711 | break; |
1712 | case '1': | |
8a624ebf | 1713 | sshver = 1; |
0426a3b4 | 1714 | if (sftp_server == NULL) |
1715 | sftp_server = _PATH_SFTP_SERVER; | |
1716 | break; | |
1717 | case 's': | |
1718 | sftp_server = optarg; | |
1719 | break; | |
1720 | case 'S': | |
1721 | ssh_program = optarg; | |
4116f5c0 | 1722 | replacearg(&args, 0, "%s", ssh_program); |
0426a3b4 | 1723 | break; |
a5ec8a3d | 1724 | case 'b': |
a8b64bb8 | 1725 | if (batchmode) |
1726 | fatal("Batch file already specified."); | |
1727 | ||
1728 | /* Allow "-" as stdin */ | |
f2107e97 | 1729 | if (strcmp(optarg, "-") != 0 && |
4e2e5cfd | 1730 | (infile = fopen(optarg, "r")) == NULL) |
a8b64bb8 | 1731 | fatal("%s (%s).", strerror(errno), optarg); |
b65c3807 | 1732 | showprogress = 0; |
a8b64bb8 | 1733 | batchmode = 1; |
0b73a454 | 1734 | addargs(&args, "-obatchmode yes"); |
a5ec8a3d | 1735 | break; |
a96fd7c2 | 1736 | case 'P': |
1737 | sftp_direct = optarg; | |
1738 | break; | |
375f867e | 1739 | case 'B': |
1740 | copy_buffer_len = strtol(optarg, &cp, 10); | |
1741 | if (copy_buffer_len == 0 || *cp != '\0') | |
1742 | fatal("Invalid buffer size \"%s\"", optarg); | |
1743 | break; | |
c25d3df7 | 1744 | case 'R': |
1745 | num_requests = strtol(optarg, &cp, 10); | |
1746 | if (num_requests == 0 || *cp != '\0') | |
762715ce | 1747 | fatal("Invalid number of requests \"%s\"", |
c25d3df7 | 1748 | optarg); |
1749 | break; | |
0426a3b4 | 1750 | case 'h': |
1751 | default: | |
61e96248 | 1752 | usage(); |
1753 | } | |
1754 | } | |
1755 | ||
06abcf97 | 1756 | if (!isatty(STDERR_FILENO)) |
1757 | showprogress = 0; | |
1758 | ||
b69145c2 | 1759 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); |
1760 | ||
a96fd7c2 | 1761 | if (sftp_direct == NULL) { |
1762 | if (optind == argc || argc > (optind + 2)) | |
1763 | usage(); | |
61e96248 | 1764 | |
a96fd7c2 | 1765 | userhost = xstrdup(argv[optind]); |
1766 | file2 = argv[optind+1]; | |
edeeab1e | 1767 | |
15748b4d | 1768 | if ((host = strrchr(userhost, '@')) == NULL) |
a96fd7c2 | 1769 | host = userhost; |
1770 | else { | |
1771 | *host++ = '\0'; | |
1772 | if (!userhost[0]) { | |
1773 | fprintf(stderr, "Missing username\n"); | |
1774 | usage(); | |
1775 | } | |
4f6e2ba9 | 1776 | addargs(&args, "-l%s", userhost); |
61e96248 | 1777 | } |
61e96248 | 1778 | |
02de7c6e | 1779 | if ((cp = colon(host)) != NULL) { |
1780 | *cp++ = '\0'; | |
1781 | file1 = cp; | |
1782 | } | |
1783 | ||
a96fd7c2 | 1784 | host = cleanhostname(host); |
1785 | if (!*host) { | |
1786 | fprintf(stderr, "Missing hostname\n"); | |
1787 | usage(); | |
1788 | } | |
61e96248 | 1789 | |
a96fd7c2 | 1790 | addargs(&args, "-oProtocol %d", sshver); |
8a624ebf | 1791 | |
a96fd7c2 | 1792 | /* no subsystem if the server-spec contains a '/' */ |
1793 | if (sftp_server == NULL || strchr(sftp_server, '/') == NULL) | |
1794 | addargs(&args, "-s"); | |
61e96248 | 1795 | |
a96fd7c2 | 1796 | addargs(&args, "%s", host); |
762715ce | 1797 | addargs(&args, "%s", (sftp_server != NULL ? |
a96fd7c2 | 1798 | sftp_server : "sftp")); |
61e96248 | 1799 | |
a8b64bb8 | 1800 | if (!batchmode) |
1801 | fprintf(stderr, "Connecting to %s...\n", host); | |
1b558925 | 1802 | connect_to_server(ssh_program, args.list, &in, &out); |
a96fd7c2 | 1803 | } else { |
1804 | args.list = NULL; | |
1805 | addargs(&args, "sftp-server"); | |
61e96248 | 1806 | |
a8b64bb8 | 1807 | if (!batchmode) |
1808 | fprintf(stderr, "Attaching to %s...\n", sftp_direct); | |
1b558925 | 1809 | connect_to_server(sftp_direct, args.list, &in, &out); |
a96fd7c2 | 1810 | } |
4116f5c0 | 1811 | freeargs(&args); |
61e96248 | 1812 | |
9a36208d | 1813 | err = interactive_loop(in, out, file1, file2); |
61e96248 | 1814 | |
51fb577a | 1815 | #if !defined(USE_PIPES) |
ed9e8be3 | 1816 | shutdown(in, SHUT_RDWR); |
1817 | shutdown(out, SHUT_RDWR); | |
51fb577a | 1818 | #endif |
1819 | ||
61e96248 | 1820 | close(in); |
1821 | close(out); | |
a8b64bb8 | 1822 | if (batchmode) |
a5ec8a3d | 1823 | fclose(infile); |
61e96248 | 1824 | |
8c38e88b | 1825 | while (waitpid(sshpid, NULL, 0) == -1) |
1826 | if (errno != EINTR) | |
1827 | fatal("Couldn't wait for ssh process: %s", | |
1828 | strerror(errno)); | |
61e96248 | 1829 | |
9a36208d | 1830 | exit(err == 0 ? 0 : 1); |
61e96248 | 1831 | } |