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1 | /* $OpenBSD: sftp.c,v 1.113 2009/11/22 13:18:00 halex Exp $ */ | |
2 | /* | |
3 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> | |
4 | * | |
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. | |
8 | * | |
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. | |
16 | */ | |
17 | ||
18 | #include "includes.h" | |
19 | ||
20 | #include <sys/types.h> | |
21 | #include <sys/ioctl.h> | |
22 | #ifdef HAVE_SYS_STAT_H | |
23 | # include <sys/stat.h> | |
24 | #endif | |
25 | #include <sys/param.h> | |
26 | #include <sys/socket.h> | |
27 | #include <sys/wait.h> | |
28 | #ifdef HAVE_SYS_STATVFS_H | |
29 | #include <sys/statvfs.h> | |
30 | #endif | |
31 | ||
32 | #include <ctype.h> | |
33 | #include <errno.h> | |
34 | ||
35 | #ifdef HAVE_PATHS_H | |
36 | # include <paths.h> | |
37 | #endif | |
38 | #ifdef HAVE_LIBGEN_H | |
39 | #include <libgen.h> | |
40 | #endif | |
41 | #ifdef USE_LIBEDIT | |
42 | #include <histedit.h> | |
43 | #else | |
44 | typedef void EditLine; | |
45 | #endif | |
46 | #include <signal.h> | |
47 | #include <stdlib.h> | |
48 | #include <stdio.h> | |
49 | #include <string.h> | |
50 | #include <unistd.h> | |
51 | #include <stdarg.h> | |
52 | ||
53 | #ifdef HAVE_UTIL_H | |
54 | # include <util.h> | |
55 | #endif | |
56 | ||
57 | #ifdef HAVE_LIBUTIL_H | |
58 | # include <libutil.h> | |
59 | #endif | |
60 | ||
61 | #include "xmalloc.h" | |
62 | #include "log.h" | |
63 | #include "pathnames.h" | |
64 | #include "misc.h" | |
65 | ||
66 | #include "sftp.h" | |
67 | #include "buffer.h" | |
68 | #include "sftp-common.h" | |
69 | #include "sftp-client.h" | |
70 | ||
71 | #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */ | |
72 | #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */ | |
73 | ||
74 | /* File to read commands from */ | |
75 | FILE* infile; | |
76 | ||
77 | /* Are we in batchfile mode? */ | |
78 | int batchmode = 0; | |
79 | ||
80 | /* PID of ssh transport process */ | |
81 | static pid_t sshpid = -1; | |
82 | ||
83 | /* This is set to 0 if the progressmeter is not desired. */ | |
84 | int showprogress = 1; | |
85 | ||
86 | /* When this option is set, we always recursively download/upload directories */ | |
87 | int global_rflag = 0; | |
88 | ||
89 | /* When this option is set, the file transfers will always preserve times */ | |
90 | int global_pflag = 0; | |
91 | ||
92 | /* SIGINT received during command processing */ | |
93 | volatile sig_atomic_t interrupted = 0; | |
94 | ||
95 | /* I wish qsort() took a separate ctx for the comparison function...*/ | |
96 | int sort_flag; | |
97 | ||
98 | int remote_glob(struct sftp_conn *, const char *, int, | |
99 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ | |
100 | ||
101 | extern char *__progname; | |
102 | ||
103 | /* Separators for interactive commands */ | |
104 | #define WHITESPACE " \t\r\n" | |
105 | ||
106 | /* ls flags */ | |
107 | #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */ | |
108 | #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */ | |
109 | #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */ | |
110 | #define LS_NAME_SORT 0x08 /* Sort by name (default) */ | |
111 | #define LS_TIME_SORT 0x10 /* Sort by mtime */ | |
112 | #define LS_SIZE_SORT 0x20 /* Sort by file size */ | |
113 | #define LS_REVERSE_SORT 0x40 /* Reverse sort order */ | |
114 | #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */ | |
115 | ||
116 | #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW) | |
117 | #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT) | |
118 | ||
119 | /* Commands for interactive mode */ | |
120 | #define I_CHDIR 1 | |
121 | #define I_CHGRP 2 | |
122 | #define I_CHMOD 3 | |
123 | #define I_CHOWN 4 | |
124 | #define I_DF 24 | |
125 | #define I_GET 5 | |
126 | #define I_HELP 6 | |
127 | #define I_LCHDIR 7 | |
128 | #define I_LLS 8 | |
129 | #define I_LMKDIR 9 | |
130 | #define I_LPWD 10 | |
131 | #define I_LS 11 | |
132 | #define I_LUMASK 12 | |
133 | #define I_MKDIR 13 | |
134 | #define I_PUT 14 | |
135 | #define I_PWD 15 | |
136 | #define I_QUIT 16 | |
137 | #define I_RENAME 17 | |
138 | #define I_RM 18 | |
139 | #define I_RMDIR 19 | |
140 | #define I_SHELL 20 | |
141 | #define I_SYMLINK 21 | |
142 | #define I_VERSION 22 | |
143 | #define I_PROGRESS 23 | |
144 | ||
145 | struct CMD { | |
146 | const char *c; | |
147 | const int n; | |
148 | }; | |
149 | ||
150 | static const struct CMD cmds[] = { | |
151 | { "bye", I_QUIT }, | |
152 | { "cd", I_CHDIR }, | |
153 | { "chdir", I_CHDIR }, | |
154 | { "chgrp", I_CHGRP }, | |
155 | { "chmod", I_CHMOD }, | |
156 | { "chown", I_CHOWN }, | |
157 | { "df", I_DF }, | |
158 | { "dir", I_LS }, | |
159 | { "exit", I_QUIT }, | |
160 | { "get", I_GET }, | |
161 | { "mget", I_GET }, | |
162 | { "help", I_HELP }, | |
163 | { "lcd", I_LCHDIR }, | |
164 | { "lchdir", I_LCHDIR }, | |
165 | { "lls", I_LLS }, | |
166 | { "lmkdir", I_LMKDIR }, | |
167 | { "ln", I_SYMLINK }, | |
168 | { "lpwd", I_LPWD }, | |
169 | { "ls", I_LS }, | |
170 | { "lumask", I_LUMASK }, | |
171 | { "mkdir", I_MKDIR }, | |
172 | { "progress", I_PROGRESS }, | |
173 | { "put", I_PUT }, | |
174 | { "mput", I_PUT }, | |
175 | { "pwd", I_PWD }, | |
176 | { "quit", I_QUIT }, | |
177 | { "rename", I_RENAME }, | |
178 | { "rm", I_RM }, | |
179 | { "rmdir", I_RMDIR }, | |
180 | { "symlink", I_SYMLINK }, | |
181 | { "version", I_VERSION }, | |
182 | { "!", I_SHELL }, | |
183 | { "?", I_HELP }, | |
184 | { NULL, -1} | |
185 | }; | |
186 | ||
187 | int interactive_loop(struct sftp_conn *, char *file1, char *file2); | |
188 | ||
189 | /* ARGSUSED */ | |
190 | static void | |
191 | killchild(int signo) | |
192 | { | |
193 | if (sshpid > 1) { | |
194 | kill(sshpid, SIGTERM); | |
195 | waitpid(sshpid, NULL, 0); | |
196 | } | |
197 | ||
198 | _exit(1); | |
199 | } | |
200 | ||
201 | /* ARGSUSED */ | |
202 | static void | |
203 | cmd_interrupt(int signo) | |
204 | { | |
205 | const char msg[] = "\rInterrupt \n"; | |
206 | int olderrno = errno; | |
207 | ||
208 | write(STDERR_FILENO, msg, sizeof(msg) - 1); | |
209 | interrupted = 1; | |
210 | errno = olderrno; | |
211 | } | |
212 | ||
213 | static void | |
214 | help(void) | |
215 | { | |
216 | printf("Available commands:\n" | |
217 | "bye Quit sftp\n" | |
218 | "cd path Change remote directory to 'path'\n" | |
219 | "chgrp grp path Change group of file 'path' to 'grp'\n" | |
220 | "chmod mode path Change permissions of file 'path' to 'mode'\n" | |
221 | "chown own path Change owner of file 'path' to 'own'\n" | |
222 | "df [-hi] [path] Display statistics for current directory or\n" | |
223 | " filesystem containing 'path'\n" | |
224 | "exit Quit sftp\n" | |
225 | "get [-Pr] remote-path [local-path] Download file\n" | |
226 | "help Display this help text\n" | |
227 | "lcd path Change local directory to 'path'\n" | |
228 | "lls [ls-options [path]] Display local directory listing\n" | |
229 | "lmkdir path Create local directory\n" | |
230 | "ln oldpath newpath Symlink remote file\n" | |
231 | "lpwd Print local working directory\n" | |
232 | "ls [-1aflnrSt] [path] Display remote directory listing\n" | |
233 | "lumask umask Set local umask to 'umask'\n" | |
234 | "mkdir path Create remote directory\n" | |
235 | "progress Toggle display of progress meter\n" | |
236 | "put [-Pr] local-path [remote-path] Upload file\n" | |
237 | "pwd Display remote working directory\n" | |
238 | "quit Quit sftp\n" | |
239 | "rename oldpath newpath Rename remote file\n" | |
240 | "rm path Delete remote file\n" | |
241 | "rmdir path Remove remote directory\n" | |
242 | "symlink oldpath newpath Symlink remote file\n" | |
243 | "version Show SFTP version\n" | |
244 | "!command Execute 'command' in local shell\n" | |
245 | "! Escape to local shell\n" | |
246 | "? Synonym for help\n"); | |
247 | } | |
248 | ||
249 | static void | |
250 | local_do_shell(const char *args) | |
251 | { | |
252 | int status; | |
253 | char *shell; | |
254 | pid_t pid; | |
255 | ||
256 | if (!*args) | |
257 | args = NULL; | |
258 | ||
259 | if ((shell = getenv("SHELL")) == NULL) | |
260 | shell = _PATH_BSHELL; | |
261 | ||
262 | if ((pid = fork()) == -1) | |
263 | fatal("Couldn't fork: %s", strerror(errno)); | |
264 | ||
265 | if (pid == 0) { | |
266 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |
267 | if (args) { | |
268 | debug3("Executing %s -c \"%s\"", shell, args); | |
269 | execl(shell, shell, "-c", args, (char *)NULL); | |
270 | } else { | |
271 | debug3("Executing %s", shell); | |
272 | execl(shell, shell, (char *)NULL); | |
273 | } | |
274 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, | |
275 | strerror(errno)); | |
276 | _exit(1); | |
277 | } | |
278 | while (waitpid(pid, &status, 0) == -1) | |
279 | if (errno != EINTR) | |
280 | fatal("Couldn't wait for child: %s", strerror(errno)); | |
281 | if (!WIFEXITED(status)) | |
282 | error("Shell exited abnormally"); | |
283 | else if (WEXITSTATUS(status)) | |
284 | error("Shell exited with status %d", WEXITSTATUS(status)); | |
285 | } | |
286 | ||
287 | static void | |
288 | local_do_ls(const char *args) | |
289 | { | |
290 | if (!args || !*args) | |
291 | local_do_shell(_PATH_LS); | |
292 | else { | |
293 | int len = strlen(_PATH_LS " ") + strlen(args) + 1; | |
294 | char *buf = xmalloc(len); | |
295 | ||
296 | /* XXX: quoting - rip quoting code from ftp? */ | |
297 | snprintf(buf, len, _PATH_LS " %s", args); | |
298 | local_do_shell(buf); | |
299 | xfree(buf); | |
300 | } | |
301 | } | |
302 | ||
303 | /* Strip one path (usually the pwd) from the start of another */ | |
304 | static char * | |
305 | path_strip(char *path, char *strip) | |
306 | { | |
307 | size_t len; | |
308 | ||
309 | if (strip == NULL) | |
310 | return (xstrdup(path)); | |
311 | ||
312 | len = strlen(strip); | |
313 | if (strncmp(path, strip, len) == 0) { | |
314 | if (strip[len - 1] != '/' && path[len] == '/') | |
315 | len++; | |
316 | return (xstrdup(path + len)); | |
317 | } | |
318 | ||
319 | return (xstrdup(path)); | |
320 | } | |
321 | ||
322 | static char * | |
323 | make_absolute(char *p, char *pwd) | |
324 | { | |
325 | char *abs_str; | |
326 | ||
327 | /* Derelativise */ | |
328 | if (p && p[0] != '/') { | |
329 | abs_str = path_append(pwd, p); | |
330 | xfree(p); | |
331 | return(abs_str); | |
332 | } else | |
333 | return(p); | |
334 | } | |
335 | ||
336 | static int | |
337 | parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag, | |
338 | int *rflag) | |
339 | { | |
340 | extern int opterr, optind, optopt, optreset; | |
341 | int ch; | |
342 | ||
343 | optind = optreset = 1; | |
344 | opterr = 0; | |
345 | ||
346 | *rflag = *pflag = 0; | |
347 | while ((ch = getopt(argc, argv, "PpRr")) != -1) { | |
348 | switch (ch) { | |
349 | case 'p': | |
350 | case 'P': | |
351 | *pflag = 1; | |
352 | break; | |
353 | case 'r': | |
354 | case 'R': | |
355 | *rflag = 1; | |
356 | break; | |
357 | default: | |
358 | error("%s: Invalid flag -%c", cmd, optopt); | |
359 | return -1; | |
360 | } | |
361 | } | |
362 | ||
363 | return optind; | |
364 | } | |
365 | ||
366 | static int | |
367 | parse_ls_flags(char **argv, int argc, int *lflag) | |
368 | { | |
369 | extern int opterr, optind, optopt, optreset; | |
370 | int ch; | |
371 | ||
372 | optind = optreset = 1; | |
373 | opterr = 0; | |
374 | ||
375 | *lflag = LS_NAME_SORT; | |
376 | while ((ch = getopt(argc, argv, "1Saflnrt")) != -1) { | |
377 | switch (ch) { | |
378 | case '1': | |
379 | *lflag &= ~VIEW_FLAGS; | |
380 | *lflag |= LS_SHORT_VIEW; | |
381 | break; | |
382 | case 'S': | |
383 | *lflag &= ~SORT_FLAGS; | |
384 | *lflag |= LS_SIZE_SORT; | |
385 | break; | |
386 | case 'a': | |
387 | *lflag |= LS_SHOW_ALL; | |
388 | break; | |
389 | case 'f': | |
390 | *lflag &= ~SORT_FLAGS; | |
391 | break; | |
392 | case 'l': | |
393 | *lflag &= ~VIEW_FLAGS; | |
394 | *lflag |= LS_LONG_VIEW; | |
395 | break; | |
396 | case 'n': | |
397 | *lflag &= ~VIEW_FLAGS; | |
398 | *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW; | |
399 | break; | |
400 | case 'r': | |
401 | *lflag |= LS_REVERSE_SORT; | |
402 | break; | |
403 | case 't': | |
404 | *lflag &= ~SORT_FLAGS; | |
405 | *lflag |= LS_TIME_SORT; | |
406 | break; | |
407 | default: | |
408 | error("ls: Invalid flag -%c", optopt); | |
409 | return -1; | |
410 | } | |
411 | } | |
412 | ||
413 | return optind; | |
414 | } | |
415 | ||
416 | static int | |
417 | parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag) | |
418 | { | |
419 | extern int opterr, optind, optopt, optreset; | |
420 | int ch; | |
421 | ||
422 | optind = optreset = 1; | |
423 | opterr = 0; | |
424 | ||
425 | *hflag = *iflag = 0; | |
426 | while ((ch = getopt(argc, argv, "hi")) != -1) { | |
427 | switch (ch) { | |
428 | case 'h': | |
429 | *hflag = 1; | |
430 | break; | |
431 | case 'i': | |
432 | *iflag = 1; | |
433 | break; | |
434 | default: | |
435 | error("%s: Invalid flag -%c", cmd, optopt); | |
436 | return -1; | |
437 | } | |
438 | } | |
439 | ||
440 | return optind; | |
441 | } | |
442 | ||
443 | static int | |
444 | is_dir(char *path) | |
445 | { | |
446 | struct stat sb; | |
447 | ||
448 | /* XXX: report errors? */ | |
449 | if (stat(path, &sb) == -1) | |
450 | return(0); | |
451 | ||
452 | return(S_ISDIR(sb.st_mode)); | |
453 | } | |
454 | ||
455 | static int | |
456 | remote_is_dir(struct sftp_conn *conn, char *path) | |
457 | { | |
458 | Attrib *a; | |
459 | ||
460 | /* XXX: report errors? */ | |
461 | if ((a = do_stat(conn, path, 1)) == NULL) | |
462 | return(0); | |
463 | if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) | |
464 | return(0); | |
465 | return(S_ISDIR(a->perm)); | |
466 | } | |
467 | ||
468 | /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */ | |
469 | static int | |
470 | pathname_is_dir(char *pathname) | |
471 | { | |
472 | size_t l = strlen(pathname); | |
473 | ||
474 | return l > 0 && pathname[l - 1] == '/'; | |
475 | } | |
476 | ||
477 | static int | |
478 | process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, | |
479 | int pflag, int rflag) | |
480 | { | |
481 | char *abs_src = NULL; | |
482 | char *abs_dst = NULL; | |
483 | glob_t g; | |
484 | char *filename, *tmp=NULL; | |
485 | int i, err = 0; | |
486 | ||
487 | abs_src = xstrdup(src); | |
488 | abs_src = make_absolute(abs_src, pwd); | |
489 | memset(&g, 0, sizeof(g)); | |
490 | ||
491 | debug3("Looking up %s", abs_src); | |
492 | if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) { | |
493 | error("File \"%s\" not found.", abs_src); | |
494 | err = -1; | |
495 | goto out; | |
496 | } | |
497 | ||
498 | /* | |
499 | * If multiple matches then dst must be a directory or | |
500 | * unspecified. | |
501 | */ | |
502 | if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) { | |
503 | error("Multiple source paths, but destination " | |
504 | "\"%s\" is not a directory", dst); | |
505 | err = -1; | |
506 | goto out; | |
507 | } | |
508 | ||
509 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |
510 | tmp = xstrdup(g.gl_pathv[i]); | |
511 | if ((filename = basename(tmp)) == NULL) { | |
512 | error("basename %s: %s", tmp, strerror(errno)); | |
513 | xfree(tmp); | |
514 | err = -1; | |
515 | goto out; | |
516 | } | |
517 | ||
518 | if (g.gl_matchc == 1 && dst) { | |
519 | if (is_dir(dst)) { | |
520 | abs_dst = path_append(dst, filename); | |
521 | } else { | |
522 | abs_dst = xstrdup(dst); | |
523 | } | |
524 | } else if (dst) { | |
525 | abs_dst = path_append(dst, filename); | |
526 | } else { | |
527 | abs_dst = xstrdup(filename); | |
528 | } | |
529 | xfree(tmp); | |
530 | ||
531 | printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); | |
532 | if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) { | |
533 | if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL, | |
534 | pflag || global_pflag, 1) == -1) | |
535 | err = -1; | |
536 | } else { | |
537 | if (do_download(conn, g.gl_pathv[i], abs_dst, NULL, | |
538 | pflag || global_pflag) == -1) | |
539 | err = -1; | |
540 | } | |
541 | xfree(abs_dst); | |
542 | abs_dst = NULL; | |
543 | } | |
544 | ||
545 | out: | |
546 | xfree(abs_src); | |
547 | globfree(&g); | |
548 | return(err); | |
549 | } | |
550 | ||
551 | static int | |
552 | process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, | |
553 | int pflag, int rflag) | |
554 | { | |
555 | char *tmp_dst = NULL; | |
556 | char *abs_dst = NULL; | |
557 | char *tmp = NULL, *filename = NULL; | |
558 | glob_t g; | |
559 | int err = 0; | |
560 | int i, dst_is_dir = 1; | |
561 | struct stat sb; | |
562 | ||
563 | if (dst) { | |
564 | tmp_dst = xstrdup(dst); | |
565 | tmp_dst = make_absolute(tmp_dst, pwd); | |
566 | } | |
567 | ||
568 | memset(&g, 0, sizeof(g)); | |
569 | debug3("Looking up %s", src); | |
570 | if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) { | |
571 | error("File \"%s\" not found.", src); | |
572 | err = -1; | |
573 | goto out; | |
574 | } | |
575 | ||
576 | /* If we aren't fetching to pwd then stash this status for later */ | |
577 | if (tmp_dst != NULL) | |
578 | dst_is_dir = remote_is_dir(conn, tmp_dst); | |
579 | ||
580 | /* If multiple matches, dst may be directory or unspecified */ | |
581 | if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) { | |
582 | error("Multiple paths match, but destination " | |
583 | "\"%s\" is not a directory", tmp_dst); | |
584 | err = -1; | |
585 | goto out; | |
586 | } | |
587 | ||
588 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |
589 | if (stat(g.gl_pathv[i], &sb) == -1) { | |
590 | err = -1; | |
591 | error("stat %s: %s", g.gl_pathv[i], strerror(errno)); | |
592 | continue; | |
593 | } | |
594 | ||
595 | tmp = xstrdup(g.gl_pathv[i]); | |
596 | if ((filename = basename(tmp)) == NULL) { | |
597 | error("basename %s: %s", tmp, strerror(errno)); | |
598 | xfree(tmp); | |
599 | err = -1; | |
600 | goto out; | |
601 | } | |
602 | ||
603 | if (g.gl_matchc == 1 && tmp_dst) { | |
604 | /* If directory specified, append filename */ | |
605 | if (dst_is_dir) | |
606 | abs_dst = path_append(tmp_dst, filename); | |
607 | else | |
608 | abs_dst = xstrdup(tmp_dst); | |
609 | } else if (tmp_dst) { | |
610 | abs_dst = path_append(tmp_dst, filename); | |
611 | } else { | |
612 | abs_dst = make_absolute(xstrdup(filename), pwd); | |
613 | } | |
614 | xfree(tmp); | |
615 | ||
616 | printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); | |
617 | if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) { | |
618 | if (upload_dir(conn, g.gl_pathv[i], abs_dst, | |
619 | pflag || global_pflag, 1) == -1) | |
620 | err = -1; | |
621 | } else { | |
622 | if (do_upload(conn, g.gl_pathv[i], abs_dst, | |
623 | pflag || global_pflag) == -1) | |
624 | err = -1; | |
625 | } | |
626 | } | |
627 | ||
628 | out: | |
629 | if (abs_dst) | |
630 | xfree(abs_dst); | |
631 | if (tmp_dst) | |
632 | xfree(tmp_dst); | |
633 | globfree(&g); | |
634 | return(err); | |
635 | } | |
636 | ||
637 | static int | |
638 | sdirent_comp(const void *aa, const void *bb) | |
639 | { | |
640 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |
641 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |
642 | int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1; | |
643 | ||
644 | #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1)) | |
645 | if (sort_flag & LS_NAME_SORT) | |
646 | return (rmul * strcmp(a->filename, b->filename)); | |
647 | else if (sort_flag & LS_TIME_SORT) | |
648 | return (rmul * NCMP(a->a.mtime, b->a.mtime)); | |
649 | else if (sort_flag & LS_SIZE_SORT) | |
650 | return (rmul * NCMP(a->a.size, b->a.size)); | |
651 | ||
652 | fatal("Unknown ls sort type"); | |
653 | } | |
654 | ||
655 | /* sftp ls.1 replacement for directories */ | |
656 | static int | |
657 | do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) | |
658 | { | |
659 | int n; | |
660 | u_int c = 1, colspace = 0, columns = 1; | |
661 | SFTP_DIRENT **d; | |
662 | ||
663 | if ((n = do_readdir(conn, path, &d)) != 0) | |
664 | return (n); | |
665 | ||
666 | if (!(lflag & LS_SHORT_VIEW)) { | |
667 | u_int m = 0, width = 80; | |
668 | struct winsize ws; | |
669 | char *tmp; | |
670 | ||
671 | /* Count entries for sort and find longest filename */ | |
672 | for (n = 0; d[n] != NULL; n++) { | |
673 | if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL)) | |
674 | m = MAX(m, strlen(d[n]->filename)); | |
675 | } | |
676 | ||
677 | /* Add any subpath that also needs to be counted */ | |
678 | tmp = path_strip(path, strip_path); | |
679 | m += strlen(tmp); | |
680 | xfree(tmp); | |
681 | ||
682 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
683 | width = ws.ws_col; | |
684 | ||
685 | columns = width / (m + 2); | |
686 | columns = MAX(columns, 1); | |
687 | colspace = width / columns; | |
688 | colspace = MIN(colspace, width); | |
689 | } | |
690 | ||
691 | if (lflag & SORT_FLAGS) { | |
692 | for (n = 0; d[n] != NULL; n++) | |
693 | ; /* count entries */ | |
694 | sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT); | |
695 | qsort(d, n, sizeof(*d), sdirent_comp); | |
696 | } | |
697 | ||
698 | for (n = 0; d[n] != NULL && !interrupted; n++) { | |
699 | char *tmp, *fname; | |
700 | ||
701 | if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL)) | |
702 | continue; | |
703 | ||
704 | tmp = path_append(path, d[n]->filename); | |
705 | fname = path_strip(tmp, strip_path); | |
706 | xfree(tmp); | |
707 | ||
708 | if (lflag & LS_LONG_VIEW) { | |
709 | if (lflag & LS_NUMERIC_VIEW) { | |
710 | char *lname; | |
711 | struct stat sb; | |
712 | ||
713 | memset(&sb, 0, sizeof(sb)); | |
714 | attrib_to_stat(&d[n]->a, &sb); | |
715 | lname = ls_file(fname, &sb, 1); | |
716 | printf("%s\n", lname); | |
717 | xfree(lname); | |
718 | } else | |
719 | printf("%s\n", d[n]->longname); | |
720 | } else { | |
721 | printf("%-*s", colspace, fname); | |
722 | if (c >= columns) { | |
723 | printf("\n"); | |
724 | c = 1; | |
725 | } else | |
726 | c++; | |
727 | } | |
728 | ||
729 | xfree(fname); | |
730 | } | |
731 | ||
732 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) | |
733 | printf("\n"); | |
734 | ||
735 | free_sftp_dirents(d); | |
736 | return (0); | |
737 | } | |
738 | ||
739 | /* sftp ls.1 replacement which handles path globs */ | |
740 | static int | |
741 | do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, | |
742 | int lflag) | |
743 | { | |
744 | glob_t g; | |
745 | u_int i, c = 1, colspace = 0, columns = 1; | |
746 | Attrib *a = NULL; | |
747 | ||
748 | memset(&g, 0, sizeof(g)); | |
749 | ||
750 | if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, | |
751 | NULL, &g) || (g.gl_pathc && !g.gl_matchc)) { | |
752 | if (g.gl_pathc) | |
753 | globfree(&g); | |
754 | error("Can't ls: \"%s\" not found", path); | |
755 | return (-1); | |
756 | } | |
757 | ||
758 | if (interrupted) | |
759 | goto out; | |
760 | ||
761 | /* | |
762 | * If the glob returns a single match and it is a directory, | |
763 | * then just list its contents. | |
764 | */ | |
765 | if (g.gl_matchc == 1) { | |
766 | if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) { | |
767 | globfree(&g); | |
768 | return (-1); | |
769 | } | |
770 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && | |
771 | S_ISDIR(a->perm)) { | |
772 | int err; | |
773 | ||
774 | err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag); | |
775 | globfree(&g); | |
776 | return (err); | |
777 | } | |
778 | } | |
779 | ||
780 | if (!(lflag & LS_SHORT_VIEW)) { | |
781 | u_int m = 0, width = 80; | |
782 | struct winsize ws; | |
783 | ||
784 | /* Count entries for sort and find longest filename */ | |
785 | for (i = 0; g.gl_pathv[i]; i++) | |
786 | m = MAX(m, strlen(g.gl_pathv[i])); | |
787 | ||
788 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
789 | width = ws.ws_col; | |
790 | ||
791 | columns = width / (m + 2); | |
792 | columns = MAX(columns, 1); | |
793 | colspace = width / columns; | |
794 | } | |
795 | ||
796 | for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) { | |
797 | char *fname; | |
798 | ||
799 | fname = path_strip(g.gl_pathv[i], strip_path); | |
800 | ||
801 | if (lflag & LS_LONG_VIEW) { | |
802 | char *lname; | |
803 | struct stat sb; | |
804 | ||
805 | /* | |
806 | * XXX: this is slow - 1 roundtrip per path | |
807 | * A solution to this is to fork glob() and | |
808 | * build a sftp specific version which keeps the | |
809 | * attribs (which currently get thrown away) | |
810 | * that the server returns as well as the filenames. | |
811 | */ | |
812 | memset(&sb, 0, sizeof(sb)); | |
813 | if (a == NULL) | |
814 | a = do_lstat(conn, g.gl_pathv[i], 1); | |
815 | if (a != NULL) | |
816 | attrib_to_stat(a, &sb); | |
817 | lname = ls_file(fname, &sb, 1); | |
818 | printf("%s\n", lname); | |
819 | xfree(lname); | |
820 | } else { | |
821 | printf("%-*s", colspace, fname); | |
822 | if (c >= columns) { | |
823 | printf("\n"); | |
824 | c = 1; | |
825 | } else | |
826 | c++; | |
827 | } | |
828 | xfree(fname); | |
829 | } | |
830 | ||
831 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) | |
832 | printf("\n"); | |
833 | ||
834 | out: | |
835 | if (g.gl_pathc) | |
836 | globfree(&g); | |
837 | ||
838 | return (0); | |
839 | } | |
840 | ||
841 | static int | |
842 | do_df(struct sftp_conn *conn, char *path, int hflag, int iflag) | |
843 | { | |
844 | struct sftp_statvfs st; | |
845 | char s_used[FMT_SCALED_STRSIZE]; | |
846 | char s_avail[FMT_SCALED_STRSIZE]; | |
847 | char s_root[FMT_SCALED_STRSIZE]; | |
848 | char s_total[FMT_SCALED_STRSIZE]; | |
849 | ||
850 | if (do_statvfs(conn, path, &st, 1) == -1) | |
851 | return -1; | |
852 | if (iflag) { | |
853 | printf(" Inodes Used Avail " | |
854 | "(root) %%Capacity\n"); | |
855 | printf("%11llu %11llu %11llu %11llu %3llu%%\n", | |
856 | (unsigned long long)st.f_files, | |
857 | (unsigned long long)(st.f_files - st.f_ffree), | |
858 | (unsigned long long)st.f_favail, | |
859 | (unsigned long long)st.f_ffree, | |
860 | (unsigned long long)(100 * (st.f_files - st.f_ffree) / | |
861 | st.f_files)); | |
862 | } else if (hflag) { | |
863 | strlcpy(s_used, "error", sizeof(s_used)); | |
864 | strlcpy(s_avail, "error", sizeof(s_avail)); | |
865 | strlcpy(s_root, "error", sizeof(s_root)); | |
866 | strlcpy(s_total, "error", sizeof(s_total)); | |
867 | fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used); | |
868 | fmt_scaled(st.f_bavail * st.f_frsize, s_avail); | |
869 | fmt_scaled(st.f_bfree * st.f_frsize, s_root); | |
870 | fmt_scaled(st.f_blocks * st.f_frsize, s_total); | |
871 | printf(" Size Used Avail (root) %%Capacity\n"); | |
872 | printf("%7sB %7sB %7sB %7sB %3llu%%\n", | |
873 | s_total, s_used, s_avail, s_root, | |
874 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
875 | st.f_blocks)); | |
876 | } else { | |
877 | printf(" Size Used Avail " | |
878 | "(root) %%Capacity\n"); | |
879 | printf("%12llu %12llu %12llu %12llu %3llu%%\n", | |
880 | (unsigned long long)(st.f_frsize * st.f_blocks / 1024), | |
881 | (unsigned long long)(st.f_frsize * | |
882 | (st.f_blocks - st.f_bfree) / 1024), | |
883 | (unsigned long long)(st.f_frsize * st.f_bavail / 1024), | |
884 | (unsigned long long)(st.f_frsize * st.f_bfree / 1024), | |
885 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
886 | st.f_blocks)); | |
887 | } | |
888 | return 0; | |
889 | } | |
890 | ||
891 | /* | |
892 | * Undo escaping of glob sequences in place. Used to undo extra escaping | |
893 | * applied in makeargv() when the string is destined for a function that | |
894 | * does not glob it. | |
895 | */ | |
896 | static void | |
897 | undo_glob_escape(char *s) | |
898 | { | |
899 | size_t i, j; | |
900 | ||
901 | for (i = j = 0;;) { | |
902 | if (s[i] == '\0') { | |
903 | s[j] = '\0'; | |
904 | return; | |
905 | } | |
906 | if (s[i] != '\\') { | |
907 | s[j++] = s[i++]; | |
908 | continue; | |
909 | } | |
910 | /* s[i] == '\\' */ | |
911 | ++i; | |
912 | switch (s[i]) { | |
913 | case '?': | |
914 | case '[': | |
915 | case '*': | |
916 | case '\\': | |
917 | s[j++] = s[i++]; | |
918 | break; | |
919 | case '\0': | |
920 | s[j++] = '\\'; | |
921 | s[j] = '\0'; | |
922 | return; | |
923 | default: | |
924 | s[j++] = '\\'; | |
925 | s[j++] = s[i++]; | |
926 | break; | |
927 | } | |
928 | } | |
929 | } | |
930 | ||
931 | /* | |
932 | * Split a string into an argument vector using sh(1)-style quoting, | |
933 | * comment and escaping rules, but with some tweaks to handle glob(3) | |
934 | * wildcards. | |
935 | * Returns NULL on error or a NULL-terminated array of arguments. | |
936 | */ | |
937 | #define MAXARGS 128 | |
938 | #define MAXARGLEN 8192 | |
939 | static char ** | |
940 | makeargv(const char *arg, int *argcp) | |
941 | { | |
942 | int argc, quot; | |
943 | size_t i, j; | |
944 | static char argvs[MAXARGLEN]; | |
945 | static char *argv[MAXARGS + 1]; | |
946 | enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q; | |
947 | ||
948 | *argcp = argc = 0; | |
949 | if (strlen(arg) > sizeof(argvs) - 1) { | |
950 | args_too_longs: | |
951 | error("string too long"); | |
952 | return NULL; | |
953 | } | |
954 | state = MA_START; | |
955 | i = j = 0; | |
956 | for (;;) { | |
957 | if (isspace(arg[i])) { | |
958 | if (state == MA_UNQUOTED) { | |
959 | /* Terminate current argument */ | |
960 | argvs[j++] = '\0'; | |
961 | argc++; | |
962 | state = MA_START; | |
963 | } else if (state != MA_START) | |
964 | argvs[j++] = arg[i]; | |
965 | } else if (arg[i] == '"' || arg[i] == '\'') { | |
966 | q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE; | |
967 | if (state == MA_START) { | |
968 | argv[argc] = argvs + j; | |
969 | state = q; | |
970 | } else if (state == MA_UNQUOTED) | |
971 | state = q; | |
972 | else if (state == q) | |
973 | state = MA_UNQUOTED; | |
974 | else | |
975 | argvs[j++] = arg[i]; | |
976 | } else if (arg[i] == '\\') { | |
977 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
978 | quot = state == MA_SQUOTE ? '\'' : '"'; | |
979 | /* Unescape quote we are in */ | |
980 | /* XXX support \n and friends? */ | |
981 | if (arg[i + 1] == quot) { | |
982 | i++; | |
983 | argvs[j++] = arg[i]; | |
984 | } else if (arg[i + 1] == '?' || | |
985 | arg[i + 1] == '[' || arg[i + 1] == '*') { | |
986 | /* | |
987 | * Special case for sftp: append | |
988 | * double-escaped glob sequence - | |
989 | * glob will undo one level of | |
990 | * escaping. NB. string can grow here. | |
991 | */ | |
992 | if (j >= sizeof(argvs) - 5) | |
993 | goto args_too_longs; | |
994 | argvs[j++] = '\\'; | |
995 | argvs[j++] = arg[i++]; | |
996 | argvs[j++] = '\\'; | |
997 | argvs[j++] = arg[i]; | |
998 | } else { | |
999 | argvs[j++] = arg[i++]; | |
1000 | argvs[j++] = arg[i]; | |
1001 | } | |
1002 | } else { | |
1003 | if (state == MA_START) { | |
1004 | argv[argc] = argvs + j; | |
1005 | state = MA_UNQUOTED; | |
1006 | } | |
1007 | if (arg[i + 1] == '?' || arg[i + 1] == '[' || | |
1008 | arg[i + 1] == '*' || arg[i + 1] == '\\') { | |
1009 | /* | |
1010 | * Special case for sftp: append | |
1011 | * escaped glob sequence - | |
1012 | * glob will undo one level of | |
1013 | * escaping. | |
1014 | */ | |
1015 | argvs[j++] = arg[i++]; | |
1016 | argvs[j++] = arg[i]; | |
1017 | } else { | |
1018 | /* Unescape everything */ | |
1019 | /* XXX support \n and friends? */ | |
1020 | i++; | |
1021 | argvs[j++] = arg[i]; | |
1022 | } | |
1023 | } | |
1024 | } else if (arg[i] == '#') { | |
1025 | if (state == MA_SQUOTE || state == MA_DQUOTE) | |
1026 | argvs[j++] = arg[i]; | |
1027 | else | |
1028 | goto string_done; | |
1029 | } else if (arg[i] == '\0') { | |
1030 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
1031 | error("Unterminated quoted argument"); | |
1032 | return NULL; | |
1033 | } | |
1034 | string_done: | |
1035 | if (state == MA_UNQUOTED) { | |
1036 | argvs[j++] = '\0'; | |
1037 | argc++; | |
1038 | } | |
1039 | break; | |
1040 | } else { | |
1041 | if (state == MA_START) { | |
1042 | argv[argc] = argvs + j; | |
1043 | state = MA_UNQUOTED; | |
1044 | } | |
1045 | if ((state == MA_SQUOTE || state == MA_DQUOTE) && | |
1046 | (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) { | |
1047 | /* | |
1048 | * Special case for sftp: escape quoted | |
1049 | * glob(3) wildcards. NB. string can grow | |
1050 | * here. | |
1051 | */ | |
1052 | if (j >= sizeof(argvs) - 3) | |
1053 | goto args_too_longs; | |
1054 | argvs[j++] = '\\'; | |
1055 | argvs[j++] = arg[i]; | |
1056 | } else | |
1057 | argvs[j++] = arg[i]; | |
1058 | } | |
1059 | i++; | |
1060 | } | |
1061 | *argcp = argc; | |
1062 | return argv; | |
1063 | } | |
1064 | ||
1065 | static int | |
1066 | parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag, int *hflag, | |
1067 | unsigned long *n_arg, char **path1, char **path2) | |
1068 | { | |
1069 | const char *cmd, *cp = *cpp; | |
1070 | char *cp2, **argv; | |
1071 | int base = 0; | |
1072 | long l; | |
1073 | int i, cmdnum, optidx, argc; | |
1074 | ||
1075 | /* Skip leading whitespace */ | |
1076 | cp = cp + strspn(cp, WHITESPACE); | |
1077 | ||
1078 | /* Ignore blank lines and lines which begin with comment '#' char */ | |
1079 | if (*cp == '\0' || *cp == '#') | |
1080 | return (0); | |
1081 | ||
1082 | /* Check for leading '-' (disable error processing) */ | |
1083 | *iflag = 0; | |
1084 | if (*cp == '-') { | |
1085 | *iflag = 1; | |
1086 | cp++; | |
1087 | } | |
1088 | ||
1089 | if ((argv = makeargv(cp, &argc)) == NULL) | |
1090 | return -1; | |
1091 | ||
1092 | /* Figure out which command we have */ | |
1093 | for (i = 0; cmds[i].c != NULL; i++) { | |
1094 | if (strcasecmp(cmds[i].c, argv[0]) == 0) | |
1095 | break; | |
1096 | } | |
1097 | cmdnum = cmds[i].n; | |
1098 | cmd = cmds[i].c; | |
1099 | ||
1100 | /* Special case */ | |
1101 | if (*cp == '!') { | |
1102 | cp++; | |
1103 | cmdnum = I_SHELL; | |
1104 | } else if (cmdnum == -1) { | |
1105 | error("Invalid command."); | |
1106 | return -1; | |
1107 | } | |
1108 | ||
1109 | /* Get arguments and parse flags */ | |
1110 | *lflag = *pflag = *rflag = *hflag = *n_arg = 0; | |
1111 | *path1 = *path2 = NULL; | |
1112 | optidx = 1; | |
1113 | switch (cmdnum) { | |
1114 | case I_GET: | |
1115 | case I_PUT: | |
1116 | if ((optidx = parse_getput_flags(cmd, argv, argc, pflag, rflag)) == -1) | |
1117 | return -1; | |
1118 | /* Get first pathname (mandatory) */ | |
1119 | if (argc - optidx < 1) { | |
1120 | error("You must specify at least one path after a " | |
1121 | "%s command.", cmd); | |
1122 | return -1; | |
1123 | } | |
1124 | *path1 = xstrdup(argv[optidx]); | |
1125 | /* Get second pathname (optional) */ | |
1126 | if (argc - optidx > 1) { | |
1127 | *path2 = xstrdup(argv[optidx + 1]); | |
1128 | /* Destination is not globbed */ | |
1129 | undo_glob_escape(*path2); | |
1130 | } | |
1131 | break; | |
1132 | case I_RENAME: | |
1133 | case I_SYMLINK: | |
1134 | if (argc - optidx < 2) { | |
1135 | error("You must specify two paths after a %s " | |
1136 | "command.", cmd); | |
1137 | return -1; | |
1138 | } | |
1139 | *path1 = xstrdup(argv[optidx]); | |
1140 | *path2 = xstrdup(argv[optidx + 1]); | |
1141 | /* Paths are not globbed */ | |
1142 | undo_glob_escape(*path1); | |
1143 | undo_glob_escape(*path2); | |
1144 | break; | |
1145 | case I_RM: | |
1146 | case I_MKDIR: | |
1147 | case I_RMDIR: | |
1148 | case I_CHDIR: | |
1149 | case I_LCHDIR: | |
1150 | case I_LMKDIR: | |
1151 | /* Get pathname (mandatory) */ | |
1152 | if (argc - optidx < 1) { | |
1153 | error("You must specify a path after a %s command.", | |
1154 | cmd); | |
1155 | return -1; | |
1156 | } | |
1157 | *path1 = xstrdup(argv[optidx]); | |
1158 | /* Only "rm" globs */ | |
1159 | if (cmdnum != I_RM) | |
1160 | undo_glob_escape(*path1); | |
1161 | break; | |
1162 | case I_DF: | |
1163 | if ((optidx = parse_df_flags(cmd, argv, argc, hflag, | |
1164 | iflag)) == -1) | |
1165 | return -1; | |
1166 | /* Default to current directory if no path specified */ | |
1167 | if (argc - optidx < 1) | |
1168 | *path1 = NULL; | |
1169 | else { | |
1170 | *path1 = xstrdup(argv[optidx]); | |
1171 | undo_glob_escape(*path1); | |
1172 | } | |
1173 | break; | |
1174 | case I_LS: | |
1175 | if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1) | |
1176 | return(-1); | |
1177 | /* Path is optional */ | |
1178 | if (argc - optidx > 0) | |
1179 | *path1 = xstrdup(argv[optidx]); | |
1180 | break; | |
1181 | case I_LLS: | |
1182 | /* Skip ls command and following whitespace */ | |
1183 | cp = cp + strlen(cmd) + strspn(cp, WHITESPACE); | |
1184 | case I_SHELL: | |
1185 | /* Uses the rest of the line */ | |
1186 | break; | |
1187 | case I_LUMASK: | |
1188 | case I_CHMOD: | |
1189 | base = 8; | |
1190 | case I_CHOWN: | |
1191 | case I_CHGRP: | |
1192 | /* Get numeric arg (mandatory) */ | |
1193 | if (argc - optidx < 1) | |
1194 | goto need_num_arg; | |
1195 | errno = 0; | |
1196 | l = strtol(argv[optidx], &cp2, base); | |
1197 | if (cp2 == argv[optidx] || *cp2 != '\0' || | |
1198 | ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) || | |
1199 | l < 0) { | |
1200 | need_num_arg: | |
1201 | error("You must supply a numeric argument " | |
1202 | "to the %s command.", cmd); | |
1203 | return -1; | |
1204 | } | |
1205 | *n_arg = l; | |
1206 | if (cmdnum == I_LUMASK) | |
1207 | break; | |
1208 | /* Get pathname (mandatory) */ | |
1209 | if (argc - optidx < 2) { | |
1210 | error("You must specify a path after a %s command.", | |
1211 | cmd); | |
1212 | return -1; | |
1213 | } | |
1214 | *path1 = xstrdup(argv[optidx + 1]); | |
1215 | break; | |
1216 | case I_QUIT: | |
1217 | case I_PWD: | |
1218 | case I_LPWD: | |
1219 | case I_HELP: | |
1220 | case I_VERSION: | |
1221 | case I_PROGRESS: | |
1222 | break; | |
1223 | default: | |
1224 | fatal("Command not implemented"); | |
1225 | } | |
1226 | ||
1227 | *cpp = cp; | |
1228 | return(cmdnum); | |
1229 | } | |
1230 | ||
1231 | static int | |
1232 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, | |
1233 | int err_abort) | |
1234 | { | |
1235 | char *path1, *path2, *tmp; | |
1236 | int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, cmdnum, i; | |
1237 | unsigned long n_arg = 0; | |
1238 | Attrib a, *aa; | |
1239 | char path_buf[MAXPATHLEN]; | |
1240 | int err = 0; | |
1241 | glob_t g; | |
1242 | ||
1243 | path1 = path2 = NULL; | |
1244 | cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag, &n_arg, | |
1245 | &path1, &path2); | |
1246 | ||
1247 | if (iflag != 0) | |
1248 | err_abort = 0; | |
1249 | ||
1250 | memset(&g, 0, sizeof(g)); | |
1251 | ||
1252 | /* Perform command */ | |
1253 | switch (cmdnum) { | |
1254 | case 0: | |
1255 | /* Blank line */ | |
1256 | break; | |
1257 | case -1: | |
1258 | /* Unrecognized command */ | |
1259 | err = -1; | |
1260 | break; | |
1261 | case I_GET: | |
1262 | err = process_get(conn, path1, path2, *pwd, pflag, rflag); | |
1263 | break; | |
1264 | case I_PUT: | |
1265 | err = process_put(conn, path1, path2, *pwd, pflag, rflag); | |
1266 | break; | |
1267 | case I_RENAME: | |
1268 | path1 = make_absolute(path1, *pwd); | |
1269 | path2 = make_absolute(path2, *pwd); | |
1270 | err = do_rename(conn, path1, path2); | |
1271 | break; | |
1272 | case I_SYMLINK: | |
1273 | path2 = make_absolute(path2, *pwd); | |
1274 | err = do_symlink(conn, path1, path2); | |
1275 | break; | |
1276 | case I_RM: | |
1277 | path1 = make_absolute(path1, *pwd); | |
1278 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
1279 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |
1280 | printf("Removing %s\n", g.gl_pathv[i]); | |
1281 | err = do_rm(conn, g.gl_pathv[i]); | |
1282 | if (err != 0 && err_abort) | |
1283 | break; | |
1284 | } | |
1285 | break; | |
1286 | case I_MKDIR: | |
1287 | path1 = make_absolute(path1, *pwd); | |
1288 | attrib_clear(&a); | |
1289 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1290 | a.perm = 0777; | |
1291 | err = do_mkdir(conn, path1, &a, 1); | |
1292 | break; | |
1293 | case I_RMDIR: | |
1294 | path1 = make_absolute(path1, *pwd); | |
1295 | err = do_rmdir(conn, path1); | |
1296 | break; | |
1297 | case I_CHDIR: | |
1298 | path1 = make_absolute(path1, *pwd); | |
1299 | if ((tmp = do_realpath(conn, path1)) == NULL) { | |
1300 | err = 1; | |
1301 | break; | |
1302 | } | |
1303 | if ((aa = do_stat(conn, tmp, 0)) == NULL) { | |
1304 | xfree(tmp); | |
1305 | err = 1; | |
1306 | break; | |
1307 | } | |
1308 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { | |
1309 | error("Can't change directory: Can't check target"); | |
1310 | xfree(tmp); | |
1311 | err = 1; | |
1312 | break; | |
1313 | } | |
1314 | if (!S_ISDIR(aa->perm)) { | |
1315 | error("Can't change directory: \"%s\" is not " | |
1316 | "a directory", tmp); | |
1317 | xfree(tmp); | |
1318 | err = 1; | |
1319 | break; | |
1320 | } | |
1321 | xfree(*pwd); | |
1322 | *pwd = tmp; | |
1323 | break; | |
1324 | case I_LS: | |
1325 | if (!path1) { | |
1326 | do_globbed_ls(conn, *pwd, *pwd, lflag); | |
1327 | break; | |
1328 | } | |
1329 | ||
1330 | /* Strip pwd off beginning of non-absolute paths */ | |
1331 | tmp = NULL; | |
1332 | if (*path1 != '/') | |
1333 | tmp = *pwd; | |
1334 | ||
1335 | path1 = make_absolute(path1, *pwd); | |
1336 | err = do_globbed_ls(conn, path1, tmp, lflag); | |
1337 | break; | |
1338 | case I_DF: | |
1339 | /* Default to current directory if no path specified */ | |
1340 | if (path1 == NULL) | |
1341 | path1 = xstrdup(*pwd); | |
1342 | path1 = make_absolute(path1, *pwd); | |
1343 | err = do_df(conn, path1, hflag, iflag); | |
1344 | break; | |
1345 | case I_LCHDIR: | |
1346 | if (chdir(path1) == -1) { | |
1347 | error("Couldn't change local directory to " | |
1348 | "\"%s\": %s", path1, strerror(errno)); | |
1349 | err = 1; | |
1350 | } | |
1351 | break; | |
1352 | case I_LMKDIR: | |
1353 | if (mkdir(path1, 0777) == -1) { | |
1354 | error("Couldn't create local directory " | |
1355 | "\"%s\": %s", path1, strerror(errno)); | |
1356 | err = 1; | |
1357 | } | |
1358 | break; | |
1359 | case I_LLS: | |
1360 | local_do_ls(cmd); | |
1361 | break; | |
1362 | case I_SHELL: | |
1363 | local_do_shell(cmd); | |
1364 | break; | |
1365 | case I_LUMASK: | |
1366 | umask(n_arg); | |
1367 | printf("Local umask: %03lo\n", n_arg); | |
1368 | break; | |
1369 | case I_CHMOD: | |
1370 | path1 = make_absolute(path1, *pwd); | |
1371 | attrib_clear(&a); | |
1372 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1373 | a.perm = n_arg; | |
1374 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
1375 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |
1376 | printf("Changing mode on %s\n", g.gl_pathv[i]); | |
1377 | err = do_setstat(conn, g.gl_pathv[i], &a); | |
1378 | if (err != 0 && err_abort) | |
1379 | break; | |
1380 | } | |
1381 | break; | |
1382 | case I_CHOWN: | |
1383 | case I_CHGRP: | |
1384 | path1 = make_absolute(path1, *pwd); | |
1385 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
1386 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { | |
1387 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { | |
1388 | if (err_abort) { | |
1389 | err = -1; | |
1390 | break; | |
1391 | } else | |
1392 | continue; | |
1393 | } | |
1394 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { | |
1395 | error("Can't get current ownership of " | |
1396 | "remote file \"%s\"", g.gl_pathv[i]); | |
1397 | if (err_abort) { | |
1398 | err = -1; | |
1399 | break; | |
1400 | } else | |
1401 | continue; | |
1402 | } | |
1403 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
1404 | if (cmdnum == I_CHOWN) { | |
1405 | printf("Changing owner on %s\n", g.gl_pathv[i]); | |
1406 | aa->uid = n_arg; | |
1407 | } else { | |
1408 | printf("Changing group on %s\n", g.gl_pathv[i]); | |
1409 | aa->gid = n_arg; | |
1410 | } | |
1411 | err = do_setstat(conn, g.gl_pathv[i], aa); | |
1412 | if (err != 0 && err_abort) | |
1413 | break; | |
1414 | } | |
1415 | break; | |
1416 | case I_PWD: | |
1417 | printf("Remote working directory: %s\n", *pwd); | |
1418 | break; | |
1419 | case I_LPWD: | |
1420 | if (!getcwd(path_buf, sizeof(path_buf))) { | |
1421 | error("Couldn't get local cwd: %s", strerror(errno)); | |
1422 | err = -1; | |
1423 | break; | |
1424 | } | |
1425 | printf("Local working directory: %s\n", path_buf); | |
1426 | break; | |
1427 | case I_QUIT: | |
1428 | /* Processed below */ | |
1429 | break; | |
1430 | case I_HELP: | |
1431 | help(); | |
1432 | break; | |
1433 | case I_VERSION: | |
1434 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); | |
1435 | break; | |
1436 | case I_PROGRESS: | |
1437 | showprogress = !showprogress; | |
1438 | if (showprogress) | |
1439 | printf("Progress meter enabled\n"); | |
1440 | else | |
1441 | printf("Progress meter disabled\n"); | |
1442 | break; | |
1443 | default: | |
1444 | fatal("%d is not implemented", cmdnum); | |
1445 | } | |
1446 | ||
1447 | if (g.gl_pathc) | |
1448 | globfree(&g); | |
1449 | if (path1) | |
1450 | xfree(path1); | |
1451 | if (path2) | |
1452 | xfree(path2); | |
1453 | ||
1454 | /* If an unignored error occurs in batch mode we should abort. */ | |
1455 | if (err_abort && err != 0) | |
1456 | return (-1); | |
1457 | else if (cmdnum == I_QUIT) | |
1458 | return (1); | |
1459 | ||
1460 | return (0); | |
1461 | } | |
1462 | ||
1463 | #ifdef USE_LIBEDIT | |
1464 | static char * | |
1465 | prompt(EditLine *el) | |
1466 | { | |
1467 | return ("sftp> "); | |
1468 | } | |
1469 | #endif | |
1470 | ||
1471 | int | |
1472 | interactive_loop(struct sftp_conn *conn, char *file1, char *file2) | |
1473 | { | |
1474 | char *pwd; | |
1475 | char *dir = NULL; | |
1476 | char cmd[2048]; | |
1477 | int err, interactive; | |
1478 | EditLine *el = NULL; | |
1479 | #ifdef USE_LIBEDIT | |
1480 | History *hl = NULL; | |
1481 | HistEvent hev; | |
1482 | extern char *__progname; | |
1483 | ||
1484 | if (!batchmode && isatty(STDIN_FILENO)) { | |
1485 | if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL) | |
1486 | fatal("Couldn't initialise editline"); | |
1487 | if ((hl = history_init()) == NULL) | |
1488 | fatal("Couldn't initialise editline history"); | |
1489 | history(hl, &hev, H_SETSIZE, 100); | |
1490 | el_set(el, EL_HIST, history, hl); | |
1491 | ||
1492 | el_set(el, EL_PROMPT, prompt); | |
1493 | el_set(el, EL_EDITOR, "emacs"); | |
1494 | el_set(el, EL_TERMINAL, NULL); | |
1495 | el_set(el, EL_SIGNAL, 1); | |
1496 | el_source(el, NULL); | |
1497 | } | |
1498 | #endif /* USE_LIBEDIT */ | |
1499 | ||
1500 | pwd = do_realpath(conn, "."); | |
1501 | if (pwd == NULL) | |
1502 | fatal("Need cwd"); | |
1503 | ||
1504 | if (file1 != NULL) { | |
1505 | dir = xstrdup(file1); | |
1506 | dir = make_absolute(dir, pwd); | |
1507 | ||
1508 | if (remote_is_dir(conn, dir) && file2 == NULL) { | |
1509 | printf("Changing to: %s\n", dir); | |
1510 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |
1511 | if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) { | |
1512 | xfree(dir); | |
1513 | xfree(pwd); | |
1514 | xfree(conn); | |
1515 | return (-1); | |
1516 | } | |
1517 | } else { | |
1518 | if (file2 == NULL) | |
1519 | snprintf(cmd, sizeof cmd, "get %s", dir); | |
1520 | else | |
1521 | snprintf(cmd, sizeof cmd, "get %s %s", dir, | |
1522 | file2); | |
1523 | ||
1524 | err = parse_dispatch_command(conn, cmd, &pwd, 1); | |
1525 | xfree(dir); | |
1526 | xfree(pwd); | |
1527 | xfree(conn); | |
1528 | return (err); | |
1529 | } | |
1530 | xfree(dir); | |
1531 | } | |
1532 | ||
1533 | #if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF) | |
1534 | setvbuf(stdout, NULL, _IOLBF, 0); | |
1535 | setvbuf(infile, NULL, _IOLBF, 0); | |
1536 | #else | |
1537 | setlinebuf(stdout); | |
1538 | setlinebuf(infile); | |
1539 | #endif | |
1540 | ||
1541 | interactive = !batchmode && isatty(STDIN_FILENO); | |
1542 | err = 0; | |
1543 | for (;;) { | |
1544 | char *cp; | |
1545 | ||
1546 | signal(SIGINT, SIG_IGN); | |
1547 | ||
1548 | if (el == NULL) { | |
1549 | if (interactive) | |
1550 | printf("sftp> "); | |
1551 | if (fgets(cmd, sizeof(cmd), infile) == NULL) { | |
1552 | if (interactive) | |
1553 | printf("\n"); | |
1554 | break; | |
1555 | } | |
1556 | if (!interactive) { /* Echo command */ | |
1557 | printf("sftp> %s", cmd); | |
1558 | if (strlen(cmd) > 0 && | |
1559 | cmd[strlen(cmd) - 1] != '\n') | |
1560 | printf("\n"); | |
1561 | } | |
1562 | } else { | |
1563 | #ifdef USE_LIBEDIT | |
1564 | const char *line; | |
1565 | int count = 0; | |
1566 | ||
1567 | if ((line = el_gets(el, &count)) == NULL || count <= 0) { | |
1568 | printf("\n"); | |
1569 | break; | |
1570 | } | |
1571 | history(hl, &hev, H_ENTER, line); | |
1572 | if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) { | |
1573 | fprintf(stderr, "Error: input line too long\n"); | |
1574 | continue; | |
1575 | } | |
1576 | #endif /* USE_LIBEDIT */ | |
1577 | } | |
1578 | ||
1579 | cp = strrchr(cmd, '\n'); | |
1580 | if (cp) | |
1581 | *cp = '\0'; | |
1582 | ||
1583 | /* Handle user interrupts gracefully during commands */ | |
1584 | interrupted = 0; | |
1585 | signal(SIGINT, cmd_interrupt); | |
1586 | ||
1587 | err = parse_dispatch_command(conn, cmd, &pwd, batchmode); | |
1588 | if (err != 0) | |
1589 | break; | |
1590 | } | |
1591 | xfree(pwd); | |
1592 | xfree(conn); | |
1593 | ||
1594 | #ifdef USE_LIBEDIT | |
1595 | if (el != NULL) | |
1596 | el_end(el); | |
1597 | #endif /* USE_LIBEDIT */ | |
1598 | ||
1599 | /* err == 1 signifies normal "quit" exit */ | |
1600 | return (err >= 0 ? 0 : -1); | |
1601 | } | |
1602 | ||
1603 | static void | |
1604 | connect_to_server(char *path, char **args, int *in, int *out) | |
1605 | { | |
1606 | int c_in, c_out; | |
1607 | ||
1608 | #ifdef USE_PIPES | |
1609 | int pin[2], pout[2]; | |
1610 | ||
1611 | if ((pipe(pin) == -1) || (pipe(pout) == -1)) | |
1612 | fatal("pipe: %s", strerror(errno)); | |
1613 | *in = pin[0]; | |
1614 | *out = pout[1]; | |
1615 | c_in = pout[0]; | |
1616 | c_out = pin[1]; | |
1617 | #else /* USE_PIPES */ | |
1618 | int inout[2]; | |
1619 | ||
1620 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1) | |
1621 | fatal("socketpair: %s", strerror(errno)); | |
1622 | *in = *out = inout[0]; | |
1623 | c_in = c_out = inout[1]; | |
1624 | #endif /* USE_PIPES */ | |
1625 | ||
1626 | if ((sshpid = fork()) == -1) | |
1627 | fatal("fork: %s", strerror(errno)); | |
1628 | else if (sshpid == 0) { | |
1629 | if ((dup2(c_in, STDIN_FILENO) == -1) || | |
1630 | (dup2(c_out, STDOUT_FILENO) == -1)) { | |
1631 | fprintf(stderr, "dup2: %s\n", strerror(errno)); | |
1632 | _exit(1); | |
1633 | } | |
1634 | close(*in); | |
1635 | close(*out); | |
1636 | close(c_in); | |
1637 | close(c_out); | |
1638 | ||
1639 | /* | |
1640 | * The underlying ssh is in the same process group, so we must | |
1641 | * ignore SIGINT if we want to gracefully abort commands, | |
1642 | * otherwise the signal will make it to the ssh process and | |
1643 | * kill it too | |
1644 | */ | |
1645 | signal(SIGINT, SIG_IGN); | |
1646 | execvp(path, args); | |
1647 | fprintf(stderr, "exec: %s: %s\n", path, strerror(errno)); | |
1648 | _exit(1); | |
1649 | } | |
1650 | ||
1651 | signal(SIGTERM, killchild); | |
1652 | signal(SIGINT, killchild); | |
1653 | signal(SIGHUP, killchild); | |
1654 | close(c_in); | |
1655 | close(c_out); | |
1656 | } | |
1657 | ||
1658 | static void | |
1659 | usage(void) | |
1660 | { | |
1661 | extern char *__progname; | |
1662 | ||
1663 | fprintf(stderr, | |
1664 | "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n" | |
1665 | " [-D sftp_server_path] [-F ssh_config] " | |
1666 | "[-i identity_file]\n" | |
1667 | " [-o ssh_option] [-P port] [-R num_requests] " | |
1668 | "[-S program]\n" | |
1669 | " [-s subsystem | sftp_server] host\n" | |
1670 | " %s [user@]host[:file ...]\n" | |
1671 | " %s [user@]host[:dir[/]]\n" | |
1672 | " %s -b batchfile [user@]host\n", | |
1673 | __progname, __progname, __progname, __progname); | |
1674 | exit(1); | |
1675 | } | |
1676 | ||
1677 | int | |
1678 | main(int argc, char **argv) | |
1679 | { | |
1680 | int in, out, ch, err; | |
1681 | char *host, *userhost, *cp, *file2 = NULL; | |
1682 | int debug_level = 0, sshver = 2; | |
1683 | char *file1 = NULL, *sftp_server = NULL; | |
1684 | char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL; | |
1685 | LogLevel ll = SYSLOG_LEVEL_INFO; | |
1686 | arglist args; | |
1687 | extern int optind; | |
1688 | extern char *optarg; | |
1689 | struct sftp_conn *conn; | |
1690 | size_t copy_buffer_len = DEFAULT_COPY_BUFLEN; | |
1691 | size_t num_requests = DEFAULT_NUM_REQUESTS; | |
1692 | ||
1693 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ | |
1694 | sanitise_stdfd(); | |
1695 | ||
1696 | __progname = ssh_get_progname(argv[0]); | |
1697 | memset(&args, '\0', sizeof(args)); | |
1698 | args.list = NULL; | |
1699 | addargs(&args, "%s", ssh_program); | |
1700 | addargs(&args, "-oForwardX11 no"); | |
1701 | addargs(&args, "-oForwardAgent no"); | |
1702 | addargs(&args, "-oPermitLocalCommand no"); | |
1703 | addargs(&args, "-oClearAllForwardings yes"); | |
1704 | ||
1705 | ll = SYSLOG_LEVEL_INFO; | |
1706 | infile = stdin; | |
1707 | ||
1708 | while ((ch = getopt(argc, argv, | |
1709 | "1246hqrvCc:D:i:o:s:S:b:B:F:P:R:")) != -1) { | |
1710 | switch (ch) { | |
1711 | /* Passed through to ssh(1) */ | |
1712 | case '4': | |
1713 | case '6': | |
1714 | case 'C': | |
1715 | addargs(&args, "-%c", ch); | |
1716 | break; | |
1717 | /* Passed through to ssh(1) with argument */ | |
1718 | case 'F': | |
1719 | case 'c': | |
1720 | case 'i': | |
1721 | case 'o': | |
1722 | addargs(&args, "-%c", ch); | |
1723 | addargs(&args, "%s", optarg); | |
1724 | break; | |
1725 | case 'q': | |
1726 | showprogress = 0; | |
1727 | addargs(&args, "-%c", ch); | |
1728 | break; | |
1729 | case 'P': | |
1730 | addargs(&args, "-oPort %s", optarg); | |
1731 | break; | |
1732 | case 'v': | |
1733 | if (debug_level < 3) { | |
1734 | addargs(&args, "-v"); | |
1735 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; | |
1736 | } | |
1737 | debug_level++; | |
1738 | break; | |
1739 | case '1': | |
1740 | sshver = 1; | |
1741 | if (sftp_server == NULL) | |
1742 | sftp_server = _PATH_SFTP_SERVER; | |
1743 | break; | |
1744 | case '2': | |
1745 | sshver = 2; | |
1746 | break; | |
1747 | case 'B': | |
1748 | copy_buffer_len = strtol(optarg, &cp, 10); | |
1749 | if (copy_buffer_len == 0 || *cp != '\0') | |
1750 | fatal("Invalid buffer size \"%s\"", optarg); | |
1751 | break; | |
1752 | case 'b': | |
1753 | if (batchmode) | |
1754 | fatal("Batch file already specified."); | |
1755 | ||
1756 | /* Allow "-" as stdin */ | |
1757 | if (strcmp(optarg, "-") != 0 && | |
1758 | (infile = fopen(optarg, "r")) == NULL) | |
1759 | fatal("%s (%s).", strerror(errno), optarg); | |
1760 | showprogress = 0; | |
1761 | batchmode = 1; | |
1762 | addargs(&args, "-obatchmode yes"); | |
1763 | break; | |
1764 | case 'p': | |
1765 | global_pflag = 1; | |
1766 | break; | |
1767 | case 'D': | |
1768 | sftp_direct = optarg; | |
1769 | break; | |
1770 | case 'r': | |
1771 | global_rflag = 1; | |
1772 | break; | |
1773 | case 'R': | |
1774 | num_requests = strtol(optarg, &cp, 10); | |
1775 | if (num_requests == 0 || *cp != '\0') | |
1776 | fatal("Invalid number of requests \"%s\"", | |
1777 | optarg); | |
1778 | break; | |
1779 | case 's': | |
1780 | sftp_server = optarg; | |
1781 | break; | |
1782 | case 'S': | |
1783 | ssh_program = optarg; | |
1784 | replacearg(&args, 0, "%s", ssh_program); | |
1785 | break; | |
1786 | case 'h': | |
1787 | default: | |
1788 | usage(); | |
1789 | } | |
1790 | } | |
1791 | ||
1792 | if (!isatty(STDERR_FILENO)) | |
1793 | showprogress = 0; | |
1794 | ||
1795 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); | |
1796 | ||
1797 | if (sftp_direct == NULL) { | |
1798 | if (optind == argc || argc > (optind + 2)) | |
1799 | usage(); | |
1800 | ||
1801 | userhost = xstrdup(argv[optind]); | |
1802 | file2 = argv[optind+1]; | |
1803 | ||
1804 | if ((host = strrchr(userhost, '@')) == NULL) | |
1805 | host = userhost; | |
1806 | else { | |
1807 | *host++ = '\0'; | |
1808 | if (!userhost[0]) { | |
1809 | fprintf(stderr, "Missing username\n"); | |
1810 | usage(); | |
1811 | } | |
1812 | addargs(&args, "-l%s", userhost); | |
1813 | } | |
1814 | ||
1815 | if ((cp = colon(host)) != NULL) { | |
1816 | *cp++ = '\0'; | |
1817 | file1 = cp; | |
1818 | } | |
1819 | ||
1820 | host = cleanhostname(host); | |
1821 | if (!*host) { | |
1822 | fprintf(stderr, "Missing hostname\n"); | |
1823 | usage(); | |
1824 | } | |
1825 | ||
1826 | addargs(&args, "-oProtocol %d", sshver); | |
1827 | ||
1828 | /* no subsystem if the server-spec contains a '/' */ | |
1829 | if (sftp_server == NULL || strchr(sftp_server, '/') == NULL) | |
1830 | addargs(&args, "-s"); | |
1831 | ||
1832 | addargs(&args, "%s", host); | |
1833 | addargs(&args, "%s", (sftp_server != NULL ? | |
1834 | sftp_server : "sftp")); | |
1835 | ||
1836 | connect_to_server(ssh_program, args.list, &in, &out); | |
1837 | } else { | |
1838 | args.list = NULL; | |
1839 | addargs(&args, "sftp-server"); | |
1840 | ||
1841 | connect_to_server(sftp_direct, args.list, &in, &out); | |
1842 | } | |
1843 | freeargs(&args); | |
1844 | ||
1845 | conn = do_init(in, out, copy_buffer_len, num_requests); | |
1846 | if (conn == NULL) | |
1847 | fatal("Couldn't initialise connection to server"); | |
1848 | ||
1849 | if (!batchmode) { | |
1850 | if (sftp_direct == NULL) | |
1851 | fprintf(stderr, "Connected to %s.\n", host); | |
1852 | else | |
1853 | fprintf(stderr, "Attached to %s.\n", sftp_direct); | |
1854 | } | |
1855 | ||
1856 | err = interactive_loop(conn, file1, file2); | |
1857 | ||
1858 | #if !defined(USE_PIPES) | |
1859 | shutdown(in, SHUT_RDWR); | |
1860 | shutdown(out, SHUT_RDWR); | |
1861 | #endif | |
1862 | ||
1863 | close(in); | |
1864 | close(out); | |
1865 | if (batchmode) | |
1866 | fclose(infile); | |
1867 | ||
1868 | while (waitpid(sshpid, NULL, 0) == -1) | |
1869 | if (errno != EINTR) | |
1870 | fatal("Couldn't wait for ssh process: %s", | |
1871 | strerror(errno)); | |
1872 | ||
1873 | exit(err == 0 ? 0 : 1); | |
1874 | } |