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22616013 | 1 | /* $OpenBSD: sftp.c,v 1.103 2008/07/13 22:16:03 djm Exp $ */ |
3c0ef626 | 2 | /* |
cdd66111 | 3 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
3c0ef626 | 4 | * |
cdd66111 | 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. | |
3c0ef626 | 8 | * |
cdd66111 | 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. | |
3c0ef626 | 16 | */ |
17 | ||
18 | #include "includes.h" | |
19 | ||
9108f8d9 | 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> | |
22616013 | 28 | #ifdef HAVE_SYS_STATVFS_H |
29 | #include <sys/statvfs.h> | |
30 | #endif | |
9108f8d9 | 31 | |
47686178 | 32 | #include <ctype.h> |
9108f8d9 | 33 | #include <errno.h> |
996d5e62 | 34 | |
9108f8d9 | 35 | #ifdef HAVE_PATHS_H |
36 | # include <paths.h> | |
37 | #endif | |
996d5e62 | 38 | #ifdef USE_LIBEDIT |
39 | #include <histedit.h> | |
40 | #else | |
41 | typedef void EditLine; | |
42 | #endif | |
9108f8d9 | 43 | #include <signal.h> |
44 | #include <stdlib.h> | |
45 | #include <stdio.h> | |
46 | #include <string.h> | |
47 | #include <unistd.h> | |
48 | #include <stdarg.h> | |
3c0ef626 | 49 | |
22616013 | 50 | #ifdef HAVE_UTIL_H |
51 | # include <util.h> | |
52 | #endif | |
53 | ||
54 | #ifdef HAVE_LIBUTIL_H | |
55 | # include <libutil.h> | |
56 | #endif | |
57 | ||
3c0ef626 | 58 | #include "xmalloc.h" |
59 | #include "log.h" | |
60 | #include "pathnames.h" | |
61 | #include "misc.h" | |
62 | ||
63 | #include "sftp.h" | |
9108f8d9 | 64 | #include "buffer.h" |
3c0ef626 | 65 | #include "sftp-common.h" |
66 | #include "sftp-client.h" | |
cdd66111 | 67 | |
68 | /* File to read commands from */ | |
69 | FILE* infile; | |
70 | ||
71 | /* Are we in batchfile mode? */ | |
72 | int batchmode = 0; | |
73 | ||
74 | /* Size of buffer used when copying files */ | |
75 | size_t copy_buffer_len = 32768; | |
76 | ||
77 | /* Number of concurrent outstanding requests */ | |
c015d727 | 78 | size_t num_requests = 256; |
cdd66111 | 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. */ | |
99be0775 | 84 | int showprogress = 1; |
cdd66111 | 85 | |
c9f39d2c | 86 | /* SIGINT received during command processing */ |
87 | volatile sig_atomic_t interrupted = 0; | |
88 | ||
89 | /* I wish qsort() took a separate ctx for the comparison function...*/ | |
90 | int sort_flag; | |
91 | ||
cdd66111 | 92 | int remote_glob(struct sftp_conn *, const char *, int, |
93 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ | |
3c0ef626 | 94 | |
3c0ef626 | 95 | extern char *__progname; |
3c0ef626 | 96 | |
cdd66111 | 97 | /* Separators for interactive commands */ |
98 | #define WHITESPACE " \t\r\n" | |
99 | ||
c9f39d2c | 100 | /* ls flags */ |
101 | #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */ | |
102 | #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */ | |
103 | #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */ | |
104 | #define LS_NAME_SORT 0x08 /* Sort by name (default) */ | |
105 | #define LS_TIME_SORT 0x10 /* Sort by mtime */ | |
106 | #define LS_SIZE_SORT 0x20 /* Sort by file size */ | |
107 | #define LS_REVERSE_SORT 0x40 /* Reverse sort order */ | |
108 | #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */ | |
109 | ||
110 | #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW) | |
111 | #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT) | |
cdd66111 | 112 | |
113 | /* Commands for interactive mode */ | |
114 | #define I_CHDIR 1 | |
115 | #define I_CHGRP 2 | |
116 | #define I_CHMOD 3 | |
117 | #define I_CHOWN 4 | |
22616013 | 118 | #define I_DF 24 |
cdd66111 | 119 | #define I_GET 5 |
120 | #define I_HELP 6 | |
121 | #define I_LCHDIR 7 | |
122 | #define I_LLS 8 | |
123 | #define I_LMKDIR 9 | |
124 | #define I_LPWD 10 | |
125 | #define I_LS 11 | |
126 | #define I_LUMASK 12 | |
127 | #define I_MKDIR 13 | |
128 | #define I_PUT 14 | |
129 | #define I_PWD 15 | |
130 | #define I_QUIT 16 | |
131 | #define I_RENAME 17 | |
132 | #define I_RM 18 | |
133 | #define I_RMDIR 19 | |
134 | #define I_SHELL 20 | |
135 | #define I_SYMLINK 21 | |
136 | #define I_VERSION 22 | |
137 | #define I_PROGRESS 23 | |
138 | ||
139 | struct CMD { | |
140 | const char *c; | |
141 | const int n; | |
142 | }; | |
143 | ||
144 | static const struct CMD cmds[] = { | |
145 | { "bye", I_QUIT }, | |
146 | { "cd", I_CHDIR }, | |
147 | { "chdir", I_CHDIR }, | |
148 | { "chgrp", I_CHGRP }, | |
149 | { "chmod", I_CHMOD }, | |
150 | { "chown", I_CHOWN }, | |
22616013 | 151 | { "df", I_DF }, |
cdd66111 | 152 | { "dir", I_LS }, |
153 | { "exit", I_QUIT }, | |
154 | { "get", I_GET }, | |
155 | { "mget", I_GET }, | |
156 | { "help", I_HELP }, | |
157 | { "lcd", I_LCHDIR }, | |
158 | { "lchdir", I_LCHDIR }, | |
159 | { "lls", I_LLS }, | |
160 | { "lmkdir", I_LMKDIR }, | |
161 | { "ln", I_SYMLINK }, | |
162 | { "lpwd", I_LPWD }, | |
163 | { "ls", I_LS }, | |
164 | { "lumask", I_LUMASK }, | |
165 | { "mkdir", I_MKDIR }, | |
166 | { "progress", I_PROGRESS }, | |
167 | { "put", I_PUT }, | |
168 | { "mput", I_PUT }, | |
169 | { "pwd", I_PWD }, | |
170 | { "quit", I_QUIT }, | |
171 | { "rename", I_RENAME }, | |
172 | { "rm", I_RM }, | |
173 | { "rmdir", I_RMDIR }, | |
174 | { "symlink", I_SYMLINK }, | |
175 | { "version", I_VERSION }, | |
176 | { "!", I_SHELL }, | |
177 | { "?", I_HELP }, | |
178 | { NULL, -1} | |
179 | }; | |
3c0ef626 | 180 | |
cdd66111 | 181 | int interactive_loop(int fd_in, int fd_out, char *file1, char *file2); |
182 | ||
799ae497 | 183 | /* ARGSUSED */ |
c9f39d2c | 184 | static void |
185 | killchild(int signo) | |
186 | { | |
996d5e62 | 187 | if (sshpid > 1) { |
c9f39d2c | 188 | kill(sshpid, SIGTERM); |
996d5e62 | 189 | waitpid(sshpid, NULL, 0); |
190 | } | |
c9f39d2c | 191 | |
192 | _exit(1); | |
193 | } | |
194 | ||
799ae497 | 195 | /* ARGSUSED */ |
c9f39d2c | 196 | static void |
197 | cmd_interrupt(int signo) | |
198 | { | |
199 | const char msg[] = "\rInterrupt \n"; | |
996d5e62 | 200 | int olderrno = errno; |
c9f39d2c | 201 | |
202 | write(STDERR_FILENO, msg, sizeof(msg) - 1); | |
203 | interrupted = 1; | |
996d5e62 | 204 | errno = olderrno; |
c9f39d2c | 205 | } |
206 | ||
cdd66111 | 207 | static void |
208 | help(void) | |
209 | { | |
210 | printf("Available commands:\n"); | |
211 | printf("cd path Change remote directory to 'path'\n"); | |
212 | printf("lcd path Change local directory to 'path'\n"); | |
213 | printf("chgrp grp path Change group of file 'path' to 'grp'\n"); | |
214 | printf("chmod mode path Change permissions of file 'path' to 'mode'\n"); | |
215 | printf("chown own path Change owner of file 'path' to 'own'\n"); | |
22616013 | 216 | printf("df [path] Display statistics for current directory or\n"); |
217 | printf(" filesystem containing 'path'\n"); | |
cdd66111 | 218 | printf("help Display this help text\n"); |
219 | printf("get remote-path [local-path] Download file\n"); | |
220 | printf("lls [ls-options [path]] Display local directory listing\n"); | |
221 | printf("ln oldpath newpath Symlink remote file\n"); | |
222 | printf("lmkdir path Create local directory\n"); | |
223 | printf("lpwd Print local working directory\n"); | |
224 | printf("ls [path] Display remote directory listing\n"); | |
225 | printf("lumask umask Set local umask to 'umask'\n"); | |
226 | printf("mkdir path Create remote directory\n"); | |
227 | printf("progress Toggle display of progress meter\n"); | |
228 | printf("put local-path [remote-path] Upload file\n"); | |
229 | printf("pwd Display remote working directory\n"); | |
230 | printf("exit Quit sftp\n"); | |
231 | printf("quit Quit sftp\n"); | |
232 | printf("rename oldpath newpath Rename remote file\n"); | |
233 | printf("rmdir path Remove remote directory\n"); | |
234 | printf("rm path Delete remote file\n"); | |
235 | printf("symlink oldpath newpath Symlink remote file\n"); | |
236 | printf("version Show SFTP version\n"); | |
237 | printf("!command Execute 'command' in local shell\n"); | |
238 | printf("! Escape to local shell\n"); | |
239 | printf("? Synonym for help\n"); | |
240 | } | |
241 | ||
242 | static void | |
243 | local_do_shell(const char *args) | |
244 | { | |
245 | int status; | |
246 | char *shell; | |
247 | pid_t pid; | |
248 | ||
249 | if (!*args) | |
250 | args = NULL; | |
251 | ||
252 | if ((shell = getenv("SHELL")) == NULL) | |
253 | shell = _PATH_BSHELL; | |
254 | ||
255 | if ((pid = fork()) == -1) | |
256 | fatal("Couldn't fork: %s", strerror(errno)); | |
257 | ||
258 | if (pid == 0) { | |
259 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |
260 | if (args) { | |
261 | debug3("Executing %s -c \"%s\"", shell, args); | |
262 | execl(shell, shell, "-c", args, (char *)NULL); | |
263 | } else { | |
264 | debug3("Executing %s", shell); | |
265 | execl(shell, shell, (char *)NULL); | |
266 | } | |
267 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, | |
268 | strerror(errno)); | |
269 | _exit(1); | |
270 | } | |
271 | while (waitpid(pid, &status, 0) == -1) | |
272 | if (errno != EINTR) | |
273 | fatal("Couldn't wait for child: %s", strerror(errno)); | |
274 | if (!WIFEXITED(status)) | |
9108f8d9 | 275 | error("Shell exited abnormally"); |
cdd66111 | 276 | else if (WEXITSTATUS(status)) |
277 | error("Shell exited with status %d", WEXITSTATUS(status)); | |
278 | } | |
279 | ||
280 | static void | |
281 | local_do_ls(const char *args) | |
282 | { | |
283 | if (!args || !*args) | |
284 | local_do_shell(_PATH_LS); | |
285 | else { | |
286 | int len = strlen(_PATH_LS " ") + strlen(args) + 1; | |
287 | char *buf = xmalloc(len); | |
288 | ||
289 | /* XXX: quoting - rip quoting code from ftp? */ | |
290 | snprintf(buf, len, _PATH_LS " %s", args); | |
291 | local_do_shell(buf); | |
292 | xfree(buf); | |
293 | } | |
294 | } | |
295 | ||
296 | /* Strip one path (usually the pwd) from the start of another */ | |
297 | static char * | |
298 | path_strip(char *path, char *strip) | |
299 | { | |
300 | size_t len; | |
301 | ||
302 | if (strip == NULL) | |
303 | return (xstrdup(path)); | |
304 | ||
305 | len = strlen(strip); | |
996d5e62 | 306 | if (strncmp(path, strip, len) == 0) { |
cdd66111 | 307 | if (strip[len - 1] != '/' && path[len] == '/') |
308 | len++; | |
309 | return (xstrdup(path + len)); | |
310 | } | |
311 | ||
312 | return (xstrdup(path)); | |
313 | } | |
314 | ||
315 | static char * | |
316 | path_append(char *p1, char *p2) | |
317 | { | |
318 | char *ret; | |
799ae497 | 319 | size_t len = strlen(p1) + strlen(p2) + 2; |
cdd66111 | 320 | |
321 | ret = xmalloc(len); | |
322 | strlcpy(ret, p1, len); | |
799ae497 | 323 | if (p1[0] != '\0' && p1[strlen(p1) - 1] != '/') |
cdd66111 | 324 | strlcat(ret, "/", len); |
325 | strlcat(ret, p2, len); | |
326 | ||
327 | return(ret); | |
328 | } | |
329 | ||
330 | static char * | |
331 | make_absolute(char *p, char *pwd) | |
332 | { | |
c9f39d2c | 333 | char *abs_str; |
cdd66111 | 334 | |
335 | /* Derelativise */ | |
336 | if (p && p[0] != '/') { | |
c9f39d2c | 337 | abs_str = path_append(pwd, p); |
cdd66111 | 338 | xfree(p); |
c9f39d2c | 339 | return(abs_str); |
cdd66111 | 340 | } else |
341 | return(p); | |
342 | } | |
343 | ||
344 | static int | |
345 | infer_path(const char *p, char **ifp) | |
346 | { | |
347 | char *cp; | |
348 | ||
349 | cp = strrchr(p, '/'); | |
350 | if (cp == NULL) { | |
351 | *ifp = xstrdup(p); | |
352 | return(0); | |
353 | } | |
354 | ||
355 | if (!cp[1]) { | |
356 | error("Invalid path"); | |
357 | return(-1); | |
358 | } | |
359 | ||
360 | *ifp = xstrdup(cp + 1); | |
361 | return(0); | |
362 | } | |
363 | ||
364 | static int | |
47686178 | 365 | parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag) |
cdd66111 | 366 | { |
22616013 | 367 | extern int opterr, optind, optopt, optreset; |
47686178 | 368 | int ch; |
cdd66111 | 369 | |
47686178 | 370 | optind = optreset = 1; |
371 | opterr = 0; | |
372 | ||
373 | *pflag = 0; | |
374 | while ((ch = getopt(argc, argv, "Pp")) != -1) { | |
375 | switch (ch) { | |
cdd66111 | 376 | case 'p': |
377 | case 'P': | |
378 | *pflag = 1; | |
379 | break; | |
380 | default: | |
22616013 | 381 | error("%s: Invalid flag -%c", cmd, optopt); |
47686178 | 382 | return -1; |
cdd66111 | 383 | } |
cdd66111 | 384 | } |
385 | ||
47686178 | 386 | return optind; |
cdd66111 | 387 | } |
388 | ||
389 | static int | |
47686178 | 390 | parse_ls_flags(char **argv, int argc, int *lflag) |
cdd66111 | 391 | { |
22616013 | 392 | extern int opterr, optind, optopt, optreset; |
47686178 | 393 | int ch; |
cdd66111 | 394 | |
47686178 | 395 | optind = optreset = 1; |
396 | opterr = 0; | |
cdd66111 | 397 | |
47686178 | 398 | *lflag = LS_NAME_SORT; |
399 | while ((ch = getopt(argc, argv, "1Saflnrt")) != -1) { | |
400 | switch (ch) { | |
401 | case '1': | |
402 | *lflag &= ~VIEW_FLAGS; | |
403 | *lflag |= LS_SHORT_VIEW; | |
404 | break; | |
405 | case 'S': | |
406 | *lflag &= ~SORT_FLAGS; | |
407 | *lflag |= LS_SIZE_SORT; | |
408 | break; | |
409 | case 'a': | |
410 | *lflag |= LS_SHOW_ALL; | |
411 | break; | |
412 | case 'f': | |
413 | *lflag &= ~SORT_FLAGS; | |
414 | break; | |
415 | case 'l': | |
416 | *lflag &= ~VIEW_FLAGS; | |
417 | *lflag |= LS_LONG_VIEW; | |
418 | break; | |
419 | case 'n': | |
420 | *lflag &= ~VIEW_FLAGS; | |
421 | *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW; | |
422 | break; | |
423 | case 'r': | |
424 | *lflag |= LS_REVERSE_SORT; | |
425 | break; | |
426 | case 't': | |
427 | *lflag &= ~SORT_FLAGS; | |
428 | *lflag |= LS_TIME_SORT; | |
429 | break; | |
430 | default: | |
22616013 | 431 | error("ls: Invalid flag -%c", optopt); |
432 | return -1; | |
433 | } | |
434 | } | |
435 | ||
436 | return optind; | |
437 | } | |
438 | ||
439 | static int | |
440 | parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag) | |
441 | { | |
442 | extern int opterr, optind, optopt, optreset; | |
443 | int ch; | |
444 | ||
445 | optind = optreset = 1; | |
446 | opterr = 0; | |
447 | ||
448 | *hflag = *iflag = 0; | |
449 | while ((ch = getopt(argc, argv, "hi")) != -1) { | |
450 | switch (ch) { | |
451 | case 'h': | |
452 | *hflag = 1; | |
453 | break; | |
454 | case 'i': | |
455 | *iflag = 1; | |
456 | break; | |
457 | default: | |
458 | error("%s: Invalid flag -%c", cmd, optopt); | |
47686178 | 459 | return -1; |
cdd66111 | 460 | } |
cdd66111 | 461 | } |
cdd66111 | 462 | |
47686178 | 463 | return optind; |
cdd66111 | 464 | } |
465 | ||
466 | static int | |
467 | is_dir(char *path) | |
468 | { | |
469 | struct stat sb; | |
470 | ||
471 | /* XXX: report errors? */ | |
472 | if (stat(path, &sb) == -1) | |
473 | return(0); | |
474 | ||
9108f8d9 | 475 | return(S_ISDIR(sb.st_mode)); |
cdd66111 | 476 | } |
477 | ||
cdd66111 | 478 | static int |
479 | remote_is_dir(struct sftp_conn *conn, char *path) | |
480 | { | |
481 | Attrib *a; | |
482 | ||
483 | /* XXX: report errors? */ | |
484 | if ((a = do_stat(conn, path, 1)) == NULL) | |
485 | return(0); | |
486 | if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) | |
487 | return(0); | |
9108f8d9 | 488 | return(S_ISDIR(a->perm)); |
cdd66111 | 489 | } |
490 | ||
491 | static int | |
492 | process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
493 | { | |
494 | char *abs_src = NULL; | |
495 | char *abs_dst = NULL; | |
496 | char *tmp; | |
497 | glob_t g; | |
498 | int err = 0; | |
499 | int i; | |
500 | ||
501 | abs_src = xstrdup(src); | |
502 | abs_src = make_absolute(abs_src, pwd); | |
503 | ||
504 | memset(&g, 0, sizeof(g)); | |
505 | debug3("Looking up %s", abs_src); | |
506 | if (remote_glob(conn, abs_src, 0, NULL, &g)) { | |
507 | error("File \"%s\" not found.", abs_src); | |
508 | err = -1; | |
509 | goto out; | |
510 | } | |
511 | ||
512 | /* If multiple matches, dst must be a directory or unspecified */ | |
513 | if (g.gl_matchc > 1 && dst && !is_dir(dst)) { | |
514 | error("Multiple files match, but \"%s\" is not a directory", | |
515 | dst); | |
516 | err = -1; | |
517 | goto out; | |
518 | } | |
519 | ||
c9f39d2c | 520 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
cdd66111 | 521 | if (infer_path(g.gl_pathv[i], &tmp)) { |
522 | err = -1; | |
523 | goto out; | |
524 | } | |
525 | ||
526 | if (g.gl_matchc == 1 && dst) { | |
527 | /* If directory specified, append filename */ | |
9108f8d9 | 528 | xfree(tmp); |
cdd66111 | 529 | if (is_dir(dst)) { |
530 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
531 | err = 1; | |
532 | goto out; | |
533 | } | |
534 | abs_dst = path_append(dst, tmp); | |
535 | xfree(tmp); | |
536 | } else | |
537 | abs_dst = xstrdup(dst); | |
538 | } else if (dst) { | |
539 | abs_dst = path_append(dst, tmp); | |
540 | xfree(tmp); | |
541 | } else | |
542 | abs_dst = tmp; | |
543 | ||
544 | printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); | |
545 | if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
546 | err = -1; | |
547 | xfree(abs_dst); | |
548 | abs_dst = NULL; | |
549 | } | |
550 | ||
551 | out: | |
552 | xfree(abs_src); | |
cdd66111 | 553 | globfree(&g); |
554 | return(err); | |
555 | } | |
556 | ||
557 | static int | |
558 | process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) | |
559 | { | |
560 | char *tmp_dst = NULL; | |
561 | char *abs_dst = NULL; | |
562 | char *tmp; | |
563 | glob_t g; | |
564 | int err = 0; | |
565 | int i; | |
47686178 | 566 | struct stat sb; |
cdd66111 | 567 | |
568 | if (dst) { | |
569 | tmp_dst = xstrdup(dst); | |
570 | tmp_dst = make_absolute(tmp_dst, pwd); | |
571 | } | |
572 | ||
573 | memset(&g, 0, sizeof(g)); | |
574 | debug3("Looking up %s", src); | |
47686178 | 575 | if (glob(src, GLOB_NOCHECK, NULL, &g)) { |
cdd66111 | 576 | error("File \"%s\" not found.", src); |
577 | err = -1; | |
578 | goto out; | |
579 | } | |
580 | ||
581 | /* If multiple matches, dst may be directory or unspecified */ | |
582 | if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) { | |
583 | error("Multiple files match, but \"%s\" is not a directory", | |
584 | tmp_dst); | |
585 | err = -1; | |
586 | goto out; | |
587 | } | |
588 | ||
c9f39d2c | 589 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
47686178 | 590 | if (stat(g.gl_pathv[i], &sb) == -1) { |
591 | err = -1; | |
592 | error("stat %s: %s", g.gl_pathv[i], strerror(errno)); | |
593 | continue; | |
594 | } | |
595 | ||
596 | if (!S_ISREG(sb.st_mode)) { | |
cdd66111 | 597 | error("skipping non-regular file %s", |
598 | g.gl_pathv[i]); | |
599 | continue; | |
600 | } | |
601 | if (infer_path(g.gl_pathv[i], &tmp)) { | |
602 | err = -1; | |
603 | goto out; | |
604 | } | |
605 | ||
606 | if (g.gl_matchc == 1 && tmp_dst) { | |
607 | /* If directory specified, append filename */ | |
608 | if (remote_is_dir(conn, tmp_dst)) { | |
609 | if (infer_path(g.gl_pathv[0], &tmp)) { | |
610 | err = 1; | |
611 | goto out; | |
612 | } | |
613 | abs_dst = path_append(tmp_dst, tmp); | |
614 | xfree(tmp); | |
615 | } else | |
616 | abs_dst = xstrdup(tmp_dst); | |
617 | ||
618 | } else if (tmp_dst) { | |
619 | abs_dst = path_append(tmp_dst, tmp); | |
620 | xfree(tmp); | |
621 | } else | |
622 | abs_dst = make_absolute(tmp, pwd); | |
623 | ||
624 | printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); | |
625 | if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1) | |
626 | err = -1; | |
627 | } | |
628 | ||
629 | out: | |
630 | if (abs_dst) | |
631 | xfree(abs_dst); | |
632 | if (tmp_dst) | |
633 | xfree(tmp_dst); | |
634 | globfree(&g); | |
635 | return(err); | |
636 | } | |
637 | ||
638 | static int | |
639 | sdirent_comp(const void *aa, const void *bb) | |
640 | { | |
641 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |
642 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |
c9f39d2c | 643 | int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1; |
644 | ||
645 | #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1)) | |
646 | if (sort_flag & LS_NAME_SORT) | |
647 | return (rmul * strcmp(a->filename, b->filename)); | |
648 | else if (sort_flag & LS_TIME_SORT) | |
649 | return (rmul * NCMP(a->a.mtime, b->a.mtime)); | |
650 | else if (sort_flag & LS_SIZE_SORT) | |
651 | return (rmul * NCMP(a->a.size, b->a.size)); | |
cdd66111 | 652 | |
c9f39d2c | 653 | fatal("Unknown ls sort type"); |
cdd66111 | 654 | } |
655 | ||
656 | /* sftp ls.1 replacement for directories */ | |
657 | static int | |
658 | do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) | |
659 | { | |
665a873d | 660 | int n; |
661 | u_int c = 1, colspace = 0, columns = 1; | |
cdd66111 | 662 | SFTP_DIRENT **d; |
663 | ||
664 | if ((n = do_readdir(conn, path, &d)) != 0) | |
665 | return (n); | |
666 | ||
c9f39d2c | 667 | if (!(lflag & LS_SHORT_VIEW)) { |
665a873d | 668 | u_int m = 0, width = 80; |
cdd66111 | 669 | struct winsize ws; |
670 | char *tmp; | |
671 | ||
672 | /* Count entries for sort and find longest filename */ | |
c9f39d2c | 673 | for (n = 0; d[n] != NULL; n++) { |
674 | if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL)) | |
675 | m = MAX(m, strlen(d[n]->filename)); | |
676 | } | |
cdd66111 | 677 | |
678 | /* Add any subpath that also needs to be counted */ | |
679 | tmp = path_strip(path, strip_path); | |
680 | m += strlen(tmp); | |
681 | xfree(tmp); | |
682 | ||
683 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
684 | width = ws.ws_col; | |
685 | ||
686 | columns = width / (m + 2); | |
687 | columns = MAX(columns, 1); | |
688 | colspace = width / columns; | |
689 | colspace = MIN(colspace, width); | |
690 | } | |
691 | ||
c9f39d2c | 692 | if (lflag & SORT_FLAGS) { |
2c06c99b | 693 | for (n = 0; d[n] != NULL; n++) |
694 | ; /* count entries */ | |
c9f39d2c | 695 | sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT); |
696 | qsort(d, n, sizeof(*d), sdirent_comp); | |
697 | } | |
cdd66111 | 698 | |
c9f39d2c | 699 | for (n = 0; d[n] != NULL && !interrupted; n++) { |
cdd66111 | 700 | char *tmp, *fname; |
701 | ||
c9f39d2c | 702 | if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL)) |
703 | continue; | |
704 | ||
cdd66111 | 705 | tmp = path_append(path, d[n]->filename); |
706 | fname = path_strip(tmp, strip_path); | |
707 | xfree(tmp); | |
708 | ||
c9f39d2c | 709 | if (lflag & LS_LONG_VIEW) { |
710 | if (lflag & LS_NUMERIC_VIEW) { | |
711 | char *lname; | |
712 | struct stat sb; | |
cdd66111 | 713 | |
c9f39d2c | 714 | memset(&sb, 0, sizeof(sb)); |
715 | attrib_to_stat(&d[n]->a, &sb); | |
716 | lname = ls_file(fname, &sb, 1); | |
717 | printf("%s\n", lname); | |
718 | xfree(lname); | |
719 | } else | |
720 | printf("%s\n", d[n]->longname); | |
cdd66111 | 721 | } else { |
722 | printf("%-*s", colspace, fname); | |
723 | if (c >= columns) { | |
724 | printf("\n"); | |
725 | c = 1; | |
726 | } else | |
727 | c++; | |
728 | } | |
729 | ||
730 | xfree(fname); | |
731 | } | |
732 | ||
c9f39d2c | 733 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
cdd66111 | 734 | printf("\n"); |
735 | ||
736 | free_sftp_dirents(d); | |
737 | return (0); | |
738 | } | |
739 | ||
740 | /* sftp ls.1 replacement which handles path globs */ | |
741 | static int | |
742 | do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, | |
743 | int lflag) | |
744 | { | |
745 | glob_t g; | |
665a873d | 746 | u_int i, c = 1, colspace = 0, columns = 1; |
996d5e62 | 747 | Attrib *a = NULL; |
cdd66111 | 748 | |
749 | memset(&g, 0, sizeof(g)); | |
750 | ||
751 | if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, | |
996d5e62 | 752 | NULL, &g) || (g.gl_pathc && !g.gl_matchc)) { |
753 | if (g.gl_pathc) | |
754 | globfree(&g); | |
cdd66111 | 755 | error("Can't ls: \"%s\" not found", path); |
756 | return (-1); | |
757 | } | |
758 | ||
c9f39d2c | 759 | if (interrupted) |
760 | goto out; | |
761 | ||
cdd66111 | 762 | /* |
996d5e62 | 763 | * If the glob returns a single match and it is a directory, |
764 | * then just list its contents. | |
cdd66111 | 765 | */ |
996d5e62 | 766 | if (g.gl_matchc == 1) { |
767 | if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) { | |
cdd66111 | 768 | globfree(&g); |
769 | return (-1); | |
770 | } | |
771 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && | |
772 | S_ISDIR(a->perm)) { | |
996d5e62 | 773 | int err; |
774 | ||
775 | err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag); | |
cdd66111 | 776 | globfree(&g); |
996d5e62 | 777 | return (err); |
cdd66111 | 778 | } |
779 | } | |
780 | ||
c9f39d2c | 781 | if (!(lflag & LS_SHORT_VIEW)) { |
665a873d | 782 | u_int m = 0, width = 80; |
cdd66111 | 783 | struct winsize ws; |
784 | ||
785 | /* Count entries for sort and find longest filename */ | |
786 | for (i = 0; g.gl_pathv[i]; i++) | |
787 | m = MAX(m, strlen(g.gl_pathv[i])); | |
788 | ||
789 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
790 | width = ws.ws_col; | |
791 | ||
792 | columns = width / (m + 2); | |
793 | columns = MAX(columns, 1); | |
794 | colspace = width / columns; | |
795 | } | |
796 | ||
996d5e62 | 797 | for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) { |
cdd66111 | 798 | char *fname; |
799 | ||
800 | fname = path_strip(g.gl_pathv[i], strip_path); | |
801 | ||
c9f39d2c | 802 | if (lflag & LS_LONG_VIEW) { |
cdd66111 | 803 | char *lname; |
804 | struct stat sb; | |
805 | ||
806 | /* | |
807 | * XXX: this is slow - 1 roundtrip per path | |
808 | * A solution to this is to fork glob() and | |
809 | * build a sftp specific version which keeps the | |
810 | * attribs (which currently get thrown away) | |
811 | * that the server returns as well as the filenames. | |
812 | */ | |
813 | memset(&sb, 0, sizeof(sb)); | |
996d5e62 | 814 | if (a == NULL) |
815 | a = do_lstat(conn, g.gl_pathv[i], 1); | |
cdd66111 | 816 | if (a != NULL) |
817 | attrib_to_stat(a, &sb); | |
818 | lname = ls_file(fname, &sb, 1); | |
819 | printf("%s\n", lname); | |
820 | xfree(lname); | |
821 | } else { | |
822 | printf("%-*s", colspace, fname); | |
823 | if (c >= columns) { | |
824 | printf("\n"); | |
825 | c = 1; | |
826 | } else | |
827 | c++; | |
828 | } | |
829 | xfree(fname); | |
830 | } | |
831 | ||
c9f39d2c | 832 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
cdd66111 | 833 | printf("\n"); |
834 | ||
c9f39d2c | 835 | out: |
cdd66111 | 836 | if (g.gl_pathc) |
837 | globfree(&g); | |
838 | ||
839 | return (0); | |
840 | } | |
841 | ||
22616013 | 842 | static int |
843 | do_df(struct sftp_conn *conn, char *path, int hflag, int iflag) | |
844 | { | |
845 | struct sftp_statvfs st; | |
846 | char s_used[FMT_SCALED_STRSIZE]; | |
847 | char s_avail[FMT_SCALED_STRSIZE]; | |
848 | char s_root[FMT_SCALED_STRSIZE]; | |
849 | char s_total[FMT_SCALED_STRSIZE]; | |
850 | ||
851 | if (do_statvfs(conn, path, &st, 1) == -1) | |
852 | return -1; | |
853 | if (iflag) { | |
854 | printf(" Inodes Used Avail " | |
855 | "(root) %%Capacity\n"); | |
856 | printf("%11llu %11llu %11llu %11llu %3llu%%\n", | |
857 | (unsigned long long)st.f_files, | |
858 | (unsigned long long)(st.f_files - st.f_ffree), | |
859 | (unsigned long long)st.f_favail, | |
860 | (unsigned long long)st.f_ffree, | |
861 | (unsigned long long)(100 * (st.f_files - st.f_ffree) / | |
862 | st.f_files)); | |
863 | } else if (hflag) { | |
864 | strlcpy(s_used, "error", sizeof(s_used)); | |
865 | strlcpy(s_avail, "error", sizeof(s_avail)); | |
866 | strlcpy(s_root, "error", sizeof(s_root)); | |
867 | strlcpy(s_total, "error", sizeof(s_total)); | |
868 | fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used); | |
869 | fmt_scaled(st.f_bavail * st.f_frsize, s_avail); | |
870 | fmt_scaled(st.f_bfree * st.f_frsize, s_root); | |
871 | fmt_scaled(st.f_blocks * st.f_frsize, s_total); | |
872 | printf(" Size Used Avail (root) %%Capacity\n"); | |
873 | printf("%7sB %7sB %7sB %7sB %3llu%%\n", | |
874 | s_total, s_used, s_avail, s_root, | |
875 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
876 | st.f_blocks)); | |
877 | } else { | |
878 | printf(" Size Used Avail " | |
879 | "(root) %%Capacity\n"); | |
880 | printf("%12llu %12llu %12llu %12llu %3llu%%\n", | |
881 | (unsigned long long)(st.f_frsize * st.f_blocks / 1024), | |
882 | (unsigned long long)(st.f_frsize * | |
883 | (st.f_blocks - st.f_bfree) / 1024), | |
884 | (unsigned long long)(st.f_frsize * st.f_bavail / 1024), | |
885 | (unsigned long long)(st.f_frsize * st.f_bfree / 1024), | |
886 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
887 | st.f_blocks)); | |
888 | } | |
889 | return 0; | |
890 | } | |
891 | ||
47686178 | 892 | /* |
893 | * Undo escaping of glob sequences in place. Used to undo extra escaping | |
894 | * applied in makeargv() when the string is destined for a function that | |
895 | * does not glob it. | |
896 | */ | |
897 | static void | |
898 | undo_glob_escape(char *s) | |
899 | { | |
900 | size_t i, j; | |
901 | ||
902 | for (i = j = 0;;) { | |
903 | if (s[i] == '\0') { | |
904 | s[j] = '\0'; | |
905 | return; | |
906 | } | |
907 | if (s[i] != '\\') { | |
908 | s[j++] = s[i++]; | |
909 | continue; | |
910 | } | |
911 | /* s[i] == '\\' */ | |
912 | ++i; | |
913 | switch (s[i]) { | |
914 | case '?': | |
915 | case '[': | |
916 | case '*': | |
917 | case '\\': | |
918 | s[j++] = s[i++]; | |
919 | break; | |
920 | case '\0': | |
921 | s[j++] = '\\'; | |
922 | s[j] = '\0'; | |
923 | return; | |
924 | default: | |
925 | s[j++] = '\\'; | |
926 | s[j++] = s[i++]; | |
927 | break; | |
928 | } | |
929 | } | |
930 | } | |
931 | ||
932 | /* | |
933 | * Split a string into an argument vector using sh(1)-style quoting, | |
934 | * comment and escaping rules, but with some tweaks to handle glob(3) | |
935 | * wildcards. | |
936 | * Returns NULL on error or a NULL-terminated array of arguments. | |
937 | */ | |
938 | #define MAXARGS 128 | |
939 | #define MAXARGLEN 8192 | |
940 | static char ** | |
941 | makeargv(const char *arg, int *argcp) | |
942 | { | |
943 | int argc, quot; | |
944 | size_t i, j; | |
945 | static char argvs[MAXARGLEN]; | |
946 | static char *argv[MAXARGS + 1]; | |
947 | enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q; | |
948 | ||
949 | *argcp = argc = 0; | |
950 | if (strlen(arg) > sizeof(argvs) - 1) { | |
951 | args_too_longs: | |
952 | error("string too long"); | |
953 | return NULL; | |
954 | } | |
955 | state = MA_START; | |
956 | i = j = 0; | |
957 | for (;;) { | |
958 | if (isspace(arg[i])) { | |
959 | if (state == MA_UNQUOTED) { | |
960 | /* Terminate current argument */ | |
961 | argvs[j++] = '\0'; | |
962 | argc++; | |
963 | state = MA_START; | |
964 | } else if (state != MA_START) | |
965 | argvs[j++] = arg[i]; | |
966 | } else if (arg[i] == '"' || arg[i] == '\'') { | |
967 | q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE; | |
968 | if (state == MA_START) { | |
969 | argv[argc] = argvs + j; | |
970 | state = q; | |
971 | } else if (state == MA_UNQUOTED) | |
972 | state = q; | |
973 | else if (state == q) | |
974 | state = MA_UNQUOTED; | |
975 | else | |
976 | argvs[j++] = arg[i]; | |
977 | } else if (arg[i] == '\\') { | |
978 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
979 | quot = state == MA_SQUOTE ? '\'' : '"'; | |
980 | /* Unescape quote we are in */ | |
981 | /* XXX support \n and friends? */ | |
982 | if (arg[i + 1] == quot) { | |
983 | i++; | |
984 | argvs[j++] = arg[i]; | |
985 | } else if (arg[i + 1] == '?' || | |
986 | arg[i + 1] == '[' || arg[i + 1] == '*') { | |
987 | /* | |
988 | * Special case for sftp: append | |
989 | * double-escaped glob sequence - | |
990 | * glob will undo one level of | |
991 | * escaping. NB. string can grow here. | |
992 | */ | |
993 | if (j >= sizeof(argvs) - 5) | |
994 | goto args_too_longs; | |
995 | argvs[j++] = '\\'; | |
996 | argvs[j++] = arg[i++]; | |
997 | argvs[j++] = '\\'; | |
998 | argvs[j++] = arg[i]; | |
999 | } else { | |
1000 | argvs[j++] = arg[i++]; | |
1001 | argvs[j++] = arg[i]; | |
1002 | } | |
1003 | } else { | |
1004 | if (state == MA_START) { | |
1005 | argv[argc] = argvs + j; | |
1006 | state = MA_UNQUOTED; | |
1007 | } | |
1008 | if (arg[i + 1] == '?' || arg[i + 1] == '[' || | |
1009 | arg[i + 1] == '*' || arg[i + 1] == '\\') { | |
1010 | /* | |
1011 | * Special case for sftp: append | |
1012 | * escaped glob sequence - | |
1013 | * glob will undo one level of | |
1014 | * escaping. | |
1015 | */ | |
1016 | argvs[j++] = arg[i++]; | |
1017 | argvs[j++] = arg[i]; | |
1018 | } else { | |
1019 | /* Unescape everything */ | |
1020 | /* XXX support \n and friends? */ | |
1021 | i++; | |
1022 | argvs[j++] = arg[i]; | |
1023 | } | |
1024 | } | |
1025 | } else if (arg[i] == '#') { | |
1026 | if (state == MA_SQUOTE || state == MA_DQUOTE) | |
1027 | argvs[j++] = arg[i]; | |
1028 | else | |
1029 | goto string_done; | |
1030 | } else if (arg[i] == '\0') { | |
1031 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
1032 | error("Unterminated quoted argument"); | |
1033 | return NULL; | |
1034 | } | |
1035 | string_done: | |
1036 | if (state == MA_UNQUOTED) { | |
1037 | argvs[j++] = '\0'; | |
1038 | argc++; | |
1039 | } | |
1040 | break; | |
1041 | } else { | |
1042 | if (state == MA_START) { | |
1043 | argv[argc] = argvs + j; | |
1044 | state = MA_UNQUOTED; | |
1045 | } | |
1046 | if ((state == MA_SQUOTE || state == MA_DQUOTE) && | |
1047 | (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) { | |
1048 | /* | |
1049 | * Special case for sftp: escape quoted | |
1050 | * glob(3) wildcards. NB. string can grow | |
1051 | * here. | |
1052 | */ | |
1053 | if (j >= sizeof(argvs) - 3) | |
1054 | goto args_too_longs; | |
1055 | argvs[j++] = '\\'; | |
1056 | argvs[j++] = arg[i]; | |
1057 | } else | |
1058 | argvs[j++] = arg[i]; | |
1059 | } | |
1060 | i++; | |
1061 | } | |
1062 | *argcp = argc; | |
1063 | return argv; | |
1064 | } | |
1065 | ||
cdd66111 | 1066 | static int |
22616013 | 1067 | parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, int *hflag, |
cdd66111 | 1068 | unsigned long *n_arg, char **path1, char **path2) |
1069 | { | |
1070 | const char *cmd, *cp = *cpp; | |
47686178 | 1071 | char *cp2, **argv; |
cdd66111 | 1072 | int base = 0; |
1073 | long l; | |
47686178 | 1074 | int i, cmdnum, optidx, argc; |
cdd66111 | 1075 | |
1076 | /* Skip leading whitespace */ | |
1077 | cp = cp + strspn(cp, WHITESPACE); | |
1078 | ||
1079 | /* Ignore blank lines and lines which begin with comment '#' char */ | |
1080 | if (*cp == '\0' || *cp == '#') | |
1081 | return (0); | |
1082 | ||
1083 | /* Check for leading '-' (disable error processing) */ | |
1084 | *iflag = 0; | |
1085 | if (*cp == '-') { | |
1086 | *iflag = 1; | |
1087 | cp++; | |
1088 | } | |
1089 | ||
47686178 | 1090 | if ((argv = makeargv(cp, &argc)) == NULL) |
1091 | return -1; | |
1092 | ||
cdd66111 | 1093 | /* Figure out which command we have */ |
47686178 | 1094 | for (i = 0; cmds[i].c != NULL; i++) { |
1095 | if (strcasecmp(cmds[i].c, argv[0]) == 0) | |
cdd66111 | 1096 | break; |
cdd66111 | 1097 | } |
1098 | cmdnum = cmds[i].n; | |
1099 | cmd = cmds[i].c; | |
1100 | ||
1101 | /* Special case */ | |
1102 | if (*cp == '!') { | |
1103 | cp++; | |
1104 | cmdnum = I_SHELL; | |
1105 | } else if (cmdnum == -1) { | |
1106 | error("Invalid command."); | |
47686178 | 1107 | return -1; |
cdd66111 | 1108 | } |
1109 | ||
1110 | /* Get arguments and parse flags */ | |
22616013 | 1111 | *lflag = *pflag = *hflag = *n_arg = 0; |
cdd66111 | 1112 | *path1 = *path2 = NULL; |
47686178 | 1113 | optidx = 1; |
cdd66111 | 1114 | switch (cmdnum) { |
1115 | case I_GET: | |
1116 | case I_PUT: | |
47686178 | 1117 | if ((optidx = parse_getput_flags(cmd, argv, argc, pflag)) == -1) |
1118 | return -1; | |
cdd66111 | 1119 | /* Get first pathname (mandatory) */ |
47686178 | 1120 | if (argc - optidx < 1) { |
cdd66111 | 1121 | error("You must specify at least one path after a " |
1122 | "%s command.", cmd); | |
47686178 | 1123 | return -1; |
1124 | } | |
1125 | *path1 = xstrdup(argv[optidx]); | |
1126 | /* Get second pathname (optional) */ | |
1127 | if (argc - optidx > 1) { | |
1128 | *path2 = xstrdup(argv[optidx + 1]); | |
1129 | /* Destination is not globbed */ | |
1130 | undo_glob_escape(*path2); | |
cdd66111 | 1131 | } |
cdd66111 | 1132 | break; |
1133 | case I_RENAME: | |
1134 | case I_SYMLINK: | |
47686178 | 1135 | if (argc - optidx < 2) { |
cdd66111 | 1136 | error("You must specify two paths after a %s " |
1137 | "command.", cmd); | |
47686178 | 1138 | return -1; |
cdd66111 | 1139 | } |
47686178 | 1140 | *path1 = xstrdup(argv[optidx]); |
1141 | *path2 = xstrdup(argv[optidx + 1]); | |
1142 | /* Paths are not globbed */ | |
1143 | undo_glob_escape(*path1); | |
1144 | undo_glob_escape(*path2); | |
cdd66111 | 1145 | break; |
1146 | case I_RM: | |
1147 | case I_MKDIR: | |
1148 | case I_RMDIR: | |
1149 | case I_CHDIR: | |
1150 | case I_LCHDIR: | |
1151 | case I_LMKDIR: | |
1152 | /* Get pathname (mandatory) */ | |
47686178 | 1153 | if (argc - optidx < 1) { |
cdd66111 | 1154 | error("You must specify a path after a %s command.", |
1155 | cmd); | |
47686178 | 1156 | return -1; |
cdd66111 | 1157 | } |
47686178 | 1158 | *path1 = xstrdup(argv[optidx]); |
1159 | /* Only "rm" globs */ | |
1160 | if (cmdnum != I_RM) | |
1161 | undo_glob_escape(*path1); | |
cdd66111 | 1162 | break; |
22616013 | 1163 | case I_DF: |
1164 | if ((optidx = parse_df_flags(cmd, argv, argc, hflag, | |
1165 | iflag)) == -1) | |
1166 | return -1; | |
1167 | /* Default to current directory if no path specified */ | |
1168 | if (argc - optidx < 1) | |
1169 | *path1 = NULL; | |
1170 | else { | |
1171 | *path1 = xstrdup(argv[optidx]); | |
1172 | undo_glob_escape(*path1); | |
1173 | } | |
1174 | break; | |
cdd66111 | 1175 | case I_LS: |
47686178 | 1176 | if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1) |
cdd66111 | 1177 | return(-1); |
1178 | /* Path is optional */ | |
47686178 | 1179 | if (argc - optidx > 0) |
1180 | *path1 = xstrdup(argv[optidx]); | |
cdd66111 | 1181 | break; |
1182 | case I_LLS: | |
47686178 | 1183 | /* Skip ls command and following whitespace */ |
1184 | cp = cp + strlen(cmd) + strspn(cp, WHITESPACE); | |
cdd66111 | 1185 | case I_SHELL: |
1186 | /* Uses the rest of the line */ | |
1187 | break; | |
1188 | case I_LUMASK: | |
cdd66111 | 1189 | case I_CHMOD: |
1190 | base = 8; | |
1191 | case I_CHOWN: | |
1192 | case I_CHGRP: | |
1193 | /* Get numeric arg (mandatory) */ | |
47686178 | 1194 | if (argc - optidx < 1) |
1195 | goto need_num_arg; | |
ff7ec503 | 1196 | errno = 0; |
47686178 | 1197 | l = strtol(argv[optidx], &cp2, base); |
1198 | if (cp2 == argv[optidx] || *cp2 != '\0' || | |
1199 | ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) || | |
1200 | l < 0) { | |
1201 | need_num_arg: | |
cdd66111 | 1202 | error("You must supply a numeric argument " |
1203 | "to the %s command.", cmd); | |
47686178 | 1204 | return -1; |
cdd66111 | 1205 | } |
cdd66111 | 1206 | *n_arg = l; |
47686178 | 1207 | if (cmdnum == I_LUMASK) |
cdd66111 | 1208 | break; |
cdd66111 | 1209 | /* Get pathname (mandatory) */ |
47686178 | 1210 | if (argc - optidx < 2) { |
cdd66111 | 1211 | error("You must specify a path after a %s command.", |
1212 | cmd); | |
47686178 | 1213 | return -1; |
cdd66111 | 1214 | } |
47686178 | 1215 | *path1 = xstrdup(argv[optidx + 1]); |
cdd66111 | 1216 | break; |
1217 | case I_QUIT: | |
1218 | case I_PWD: | |
1219 | case I_LPWD: | |
1220 | case I_HELP: | |
1221 | case I_VERSION: | |
1222 | case I_PROGRESS: | |
1223 | break; | |
1224 | default: | |
1225 | fatal("Command not implemented"); | |
1226 | } | |
1227 | ||
1228 | *cpp = cp; | |
1229 | return(cmdnum); | |
1230 | } | |
1231 | ||
1232 | static int | |
1233 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, | |
1234 | int err_abort) | |
1235 | { | |
1236 | char *path1, *path2, *tmp; | |
22616013 | 1237 | int pflag, lflag, iflag, hflag, cmdnum, i; |
cdd66111 | 1238 | unsigned long n_arg; |
1239 | Attrib a, *aa; | |
1240 | char path_buf[MAXPATHLEN]; | |
1241 | int err = 0; | |
1242 | glob_t g; | |
1243 | ||
1244 | path1 = path2 = NULL; | |
22616013 | 1245 | cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &hflag, &n_arg, |
cdd66111 | 1246 | &path1, &path2); |
1247 | ||
1248 | if (iflag != 0) | |
1249 | err_abort = 0; | |
1250 | ||
1251 | memset(&g, 0, sizeof(g)); | |
1252 | ||
1253 | /* Perform command */ | |
1254 | switch (cmdnum) { | |
1255 | case 0: | |
1256 | /* Blank line */ | |
1257 | break; | |
1258 | case -1: | |
1259 | /* Unrecognized command */ | |
1260 | err = -1; | |
1261 | break; | |
1262 | case I_GET: | |
1263 | err = process_get(conn, path1, path2, *pwd, pflag); | |
1264 | break; | |
1265 | case I_PUT: | |
1266 | err = process_put(conn, path1, path2, *pwd, pflag); | |
1267 | break; | |
1268 | case I_RENAME: | |
1269 | path1 = make_absolute(path1, *pwd); | |
1270 | path2 = make_absolute(path2, *pwd); | |
1271 | err = do_rename(conn, path1, path2); | |
1272 | break; | |
1273 | case I_SYMLINK: | |
1274 | path2 = make_absolute(path2, *pwd); | |
1275 | err = do_symlink(conn, path1, path2); | |
1276 | break; | |
1277 | case I_RM: | |
1278 | path1 = make_absolute(path1, *pwd); | |
1279 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
c9f39d2c | 1280 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
cdd66111 | 1281 | printf("Removing %s\n", g.gl_pathv[i]); |
1282 | err = do_rm(conn, g.gl_pathv[i]); | |
1283 | if (err != 0 && err_abort) | |
1284 | break; | |
1285 | } | |
1286 | break; | |
1287 | case I_MKDIR: | |
1288 | path1 = make_absolute(path1, *pwd); | |
1289 | attrib_clear(&a); | |
1290 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1291 | a.perm = 0777; | |
1292 | err = do_mkdir(conn, path1, &a); | |
1293 | break; | |
1294 | case I_RMDIR: | |
1295 | path1 = make_absolute(path1, *pwd); | |
1296 | err = do_rmdir(conn, path1); | |
1297 | break; | |
1298 | case I_CHDIR: | |
1299 | path1 = make_absolute(path1, *pwd); | |
1300 | if ((tmp = do_realpath(conn, path1)) == NULL) { | |
1301 | err = 1; | |
1302 | break; | |
1303 | } | |
1304 | if ((aa = do_stat(conn, tmp, 0)) == NULL) { | |
1305 | xfree(tmp); | |
1306 | err = 1; | |
1307 | break; | |
1308 | } | |
1309 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { | |
1310 | error("Can't change directory: Can't check target"); | |
1311 | xfree(tmp); | |
1312 | err = 1; | |
1313 | break; | |
1314 | } | |
1315 | if (!S_ISDIR(aa->perm)) { | |
1316 | error("Can't change directory: \"%s\" is not " | |
1317 | "a directory", tmp); | |
1318 | xfree(tmp); | |
1319 | err = 1; | |
1320 | break; | |
1321 | } | |
1322 | xfree(*pwd); | |
1323 | *pwd = tmp; | |
1324 | break; | |
1325 | case I_LS: | |
1326 | if (!path1) { | |
1327 | do_globbed_ls(conn, *pwd, *pwd, lflag); | |
1328 | break; | |
1329 | } | |
1330 | ||
1331 | /* Strip pwd off beginning of non-absolute paths */ | |
1332 | tmp = NULL; | |
1333 | if (*path1 != '/') | |
1334 | tmp = *pwd; | |
1335 | ||
1336 | path1 = make_absolute(path1, *pwd); | |
1337 | err = do_globbed_ls(conn, path1, tmp, lflag); | |
1338 | break; | |
22616013 | 1339 | case I_DF: |
1340 | /* Default to current directory if no path specified */ | |
1341 | if (path1 == NULL) | |
1342 | path1 = xstrdup(*pwd); | |
1343 | path1 = make_absolute(path1, *pwd); | |
1344 | err = do_df(conn, path1, hflag, iflag); | |
1345 | break; | |
cdd66111 | 1346 | case I_LCHDIR: |
1347 | if (chdir(path1) == -1) { | |
1348 | error("Couldn't change local directory to " | |
1349 | "\"%s\": %s", path1, strerror(errno)); | |
1350 | err = 1; | |
1351 | } | |
1352 | break; | |
1353 | case I_LMKDIR: | |
1354 | if (mkdir(path1, 0777) == -1) { | |
1355 | error("Couldn't create local directory " | |
1356 | "\"%s\": %s", path1, strerror(errno)); | |
1357 | err = 1; | |
1358 | } | |
1359 | break; | |
1360 | case I_LLS: | |
1361 | local_do_ls(cmd); | |
1362 | break; | |
1363 | case I_SHELL: | |
1364 | local_do_shell(cmd); | |
1365 | break; | |
1366 | case I_LUMASK: | |
1367 | umask(n_arg); | |
1368 | printf("Local umask: %03lo\n", n_arg); | |
1369 | break; | |
1370 | case I_CHMOD: | |
1371 | path1 = make_absolute(path1, *pwd); | |
1372 | attrib_clear(&a); | |
1373 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1374 | a.perm = n_arg; | |
1375 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
c9f39d2c | 1376 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
cdd66111 | 1377 | printf("Changing mode on %s\n", g.gl_pathv[i]); |
1378 | err = do_setstat(conn, g.gl_pathv[i], &a); | |
1379 | if (err != 0 && err_abort) | |
1380 | break; | |
1381 | } | |
1382 | break; | |
1383 | case I_CHOWN: | |
1384 | case I_CHGRP: | |
1385 | path1 = make_absolute(path1, *pwd); | |
1386 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
c9f39d2c | 1387 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
cdd66111 | 1388 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { |
1389 | if (err != 0 && err_abort) | |
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 != 0 && err_abort) | |
1398 | break; | |
1399 | else | |
1400 | continue; | |
1401 | } | |
1402 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
1403 | if (cmdnum == I_CHOWN) { | |
1404 | printf("Changing owner on %s\n", g.gl_pathv[i]); | |
1405 | aa->uid = n_arg; | |
1406 | } else { | |
1407 | printf("Changing group on %s\n", g.gl_pathv[i]); | |
1408 | aa->gid = n_arg; | |
1409 | } | |
1410 | err = do_setstat(conn, g.gl_pathv[i], aa); | |
1411 | if (err != 0 && err_abort) | |
1412 | break; | |
1413 | } | |
1414 | break; | |
1415 | case I_PWD: | |
1416 | printf("Remote working directory: %s\n", *pwd); | |
1417 | break; | |
1418 | case I_LPWD: | |
1419 | if (!getcwd(path_buf, sizeof(path_buf))) { | |
1420 | error("Couldn't get local cwd: %s", strerror(errno)); | |
1421 | err = -1; | |
1422 | break; | |
1423 | } | |
1424 | printf("Local working directory: %s\n", path_buf); | |
1425 | break; | |
1426 | case I_QUIT: | |
1427 | /* Processed below */ | |
1428 | break; | |
1429 | case I_HELP: | |
1430 | help(); | |
1431 | break; | |
1432 | case I_VERSION: | |
1433 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); | |
1434 | break; | |
1435 | case I_PROGRESS: | |
1436 | showprogress = !showprogress; | |
1437 | if (showprogress) | |
1438 | printf("Progress meter enabled\n"); | |
1439 | else | |
1440 | printf("Progress meter disabled\n"); | |
1441 | break; | |
1442 | default: | |
1443 | fatal("%d is not implemented", cmdnum); | |
1444 | } | |
1445 | ||
1446 | if (g.gl_pathc) | |
1447 | globfree(&g); | |
1448 | if (path1) | |
1449 | xfree(path1); | |
1450 | if (path2) | |
1451 | xfree(path2); | |
1452 | ||
1453 | /* If an unignored error occurs in batch mode we should abort. */ | |
1454 | if (err_abort && err != 0) | |
1455 | return (-1); | |
1456 | else if (cmdnum == I_QUIT) | |
1457 | return (1); | |
1458 | ||
1459 | return (0); | |
1460 | } | |
1461 | ||
996d5e62 | 1462 | #ifdef USE_LIBEDIT |
1463 | static char * | |
1464 | prompt(EditLine *el) | |
1465 | { | |
1466 | return ("sftp> "); | |
1467 | } | |
1468 | #endif | |
1469 | ||
cdd66111 | 1470 | int |
1471 | interactive_loop(int fd_in, int fd_out, char *file1, char *file2) | |
1472 | { | |
1473 | char *pwd; | |
1474 | char *dir = NULL; | |
1475 | char cmd[2048]; | |
1476 | struct sftp_conn *conn; | |
665a873d | 1477 | int err, interactive; |
996d5e62 | 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 */ | |
cdd66111 | 1499 | |
1500 | conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); | |
1501 | if (conn == NULL) | |
1502 | fatal("Couldn't initialise connection to server"); | |
1503 | ||
1504 | pwd = do_realpath(conn, "."); | |
1505 | if (pwd == NULL) | |
1506 | fatal("Need cwd"); | |
1507 | ||
1508 | if (file1 != NULL) { | |
1509 | dir = xstrdup(file1); | |
1510 | dir = make_absolute(dir, pwd); | |
1511 | ||
1512 | if (remote_is_dir(conn, dir) && file2 == NULL) { | |
1513 | printf("Changing to: %s\n", dir); | |
1514 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |
996d5e62 | 1515 | if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) { |
1516 | xfree(dir); | |
1517 | xfree(pwd); | |
9108f8d9 | 1518 | xfree(conn); |
cdd66111 | 1519 | return (-1); |
996d5e62 | 1520 | } |
cdd66111 | 1521 | } else { |
1522 | if (file2 == NULL) | |
1523 | snprintf(cmd, sizeof cmd, "get %s", dir); | |
1524 | else | |
1525 | snprintf(cmd, sizeof cmd, "get %s %s", dir, | |
1526 | file2); | |
1527 | ||
1528 | err = parse_dispatch_command(conn, cmd, &pwd, 1); | |
1529 | xfree(dir); | |
1530 | xfree(pwd); | |
9108f8d9 | 1531 | xfree(conn); |
cdd66111 | 1532 | return (err); |
1533 | } | |
1534 | xfree(dir); | |
1535 | } | |
1536 | ||
665a873d | 1537 | #if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF) |
cdd66111 | 1538 | setvbuf(stdout, NULL, _IOLBF, 0); |
1539 | setvbuf(infile, NULL, _IOLBF, 0); | |
1540 | #else | |
665a873d | 1541 | setlinebuf(stdout); |
1542 | setlinebuf(infile); | |
cdd66111 | 1543 | #endif |
1544 | ||
665a873d | 1545 | interactive = !batchmode && isatty(STDIN_FILENO); |
cdd66111 | 1546 | err = 0; |
1547 | for (;;) { | |
1548 | char *cp; | |
1549 | ||
c9f39d2c | 1550 | signal(SIGINT, SIG_IGN); |
1551 | ||
996d5e62 | 1552 | if (el == NULL) { |
665a873d | 1553 | if (interactive) |
1554 | printf("sftp> "); | |
996d5e62 | 1555 | if (fgets(cmd, sizeof(cmd), infile) == NULL) { |
665a873d | 1556 | if (interactive) |
1557 | printf("\n"); | |
996d5e62 | 1558 | break; |
1559 | } | |
665a873d | 1560 | if (!interactive) { /* Echo command */ |
1561 | printf("sftp> %s", cmd); | |
1562 | if (strlen(cmd) > 0 && | |
1563 | cmd[strlen(cmd) - 1] != '\n') | |
1564 | printf("\n"); | |
1565 | } | |
996d5e62 | 1566 | } else { |
1567 | #ifdef USE_LIBEDIT | |
1568 | const char *line; | |
1569 | int count = 0; | |
cdd66111 | 1570 | |
665a873d | 1571 | if ((line = el_gets(el, &count)) == NULL || count <= 0) { |
1572 | printf("\n"); | |
1573 | break; | |
1574 | } | |
996d5e62 | 1575 | history(hl, &hev, H_ENTER, line); |
1576 | if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) { | |
1577 | fprintf(stderr, "Error: input line too long\n"); | |
1578 | continue; | |
1579 | } | |
1580 | #endif /* USE_LIBEDIT */ | |
cdd66111 | 1581 | } |
1582 | ||
cdd66111 | 1583 | cp = strrchr(cmd, '\n'); |
1584 | if (cp) | |
1585 | *cp = '\0'; | |
1586 | ||
c9f39d2c | 1587 | /* Handle user interrupts gracefully during commands */ |
1588 | interrupted = 0; | |
1589 | signal(SIGINT, cmd_interrupt); | |
1590 | ||
cdd66111 | 1591 | err = parse_dispatch_command(conn, cmd, &pwd, batchmode); |
1592 | if (err != 0) | |
1593 | break; | |
1594 | } | |
1595 | xfree(pwd); | |
9108f8d9 | 1596 | xfree(conn); |
cdd66111 | 1597 | |
665a873d | 1598 | #ifdef USE_LIBEDIT |
1599 | if (el != NULL) | |
1600 | el_end(el); | |
1601 | #endif /* USE_LIBEDIT */ | |
1602 | ||
cdd66111 | 1603 | /* err == 1 signifies normal "quit" exit */ |
1604 | return (err >= 0 ? 0 : -1); | |
1605 | } | |
6a9b3198 | 1606 | |
0fff78ff | 1607 | static void |
1608 | connect_to_server(char *path, char **args, int *in, int *out) | |
3c0ef626 | 1609 | { |
1610 | int c_in, c_out; | |
680cee3b | 1611 | |
3c0ef626 | 1612 | #ifdef USE_PIPES |
1613 | int pin[2], pout[2]; | |
680cee3b | 1614 | |
3c0ef626 | 1615 | if ((pipe(pin) == -1) || (pipe(pout) == -1)) |
1616 | fatal("pipe: %s", strerror(errno)); | |
1617 | *in = pin[0]; | |
1618 | *out = pout[1]; | |
1619 | c_in = pout[0]; | |
1620 | c_out = pin[1]; | |
1621 | #else /* USE_PIPES */ | |
1622 | int inout[2]; | |
680cee3b | 1623 | |
3c0ef626 | 1624 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1) |
1625 | fatal("socketpair: %s", strerror(errno)); | |
1626 | *in = *out = inout[0]; | |
1627 | c_in = c_out = inout[1]; | |
1628 | #endif /* USE_PIPES */ | |
1629 | ||
0fff78ff | 1630 | if ((sshpid = fork()) == -1) |
3c0ef626 | 1631 | fatal("fork: %s", strerror(errno)); |
0fff78ff | 1632 | else if (sshpid == 0) { |
3c0ef626 | 1633 | if ((dup2(c_in, STDIN_FILENO) == -1) || |
1634 | (dup2(c_out, STDOUT_FILENO) == -1)) { | |
1635 | fprintf(stderr, "dup2: %s\n", strerror(errno)); | |
c9f39d2c | 1636 | _exit(1); |
3c0ef626 | 1637 | } |
1638 | close(*in); | |
1639 | close(*out); | |
1640 | close(c_in); | |
1641 | close(c_out); | |
c9f39d2c | 1642 | |
1643 | /* | |
1644 | * The underlying ssh is in the same process group, so we must | |
1645 | * ignore SIGINT if we want to gracefully abort commands, | |
1646 | * otherwise the signal will make it to the ssh process and | |
1647 | * kill it too | |
1648 | */ | |
1649 | signal(SIGINT, SIG_IGN); | |
1650 | execvp(path, args); | |
e9a17296 | 1651 | fprintf(stderr, "exec: %s: %s\n", path, strerror(errno)); |
c9f39d2c | 1652 | _exit(1); |
3c0ef626 | 1653 | } |
1654 | ||
0fff78ff | 1655 | signal(SIGTERM, killchild); |
1656 | signal(SIGINT, killchild); | |
1657 | signal(SIGHUP, killchild); | |
3c0ef626 | 1658 | close(c_in); |
1659 | close(c_out); | |
1660 | } | |
1661 | ||
1662 | static void | |
1663 | usage(void) | |
1664 | { | |
e9a17296 | 1665 | extern char *__progname; |
700318f3 | 1666 | |
3c0ef626 | 1667 | fprintf(stderr, |
cdd66111 | 1668 | "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n" |
1669 | " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n" | |
1670 | " [-S program] [-s subsystem | sftp_server] host\n" | |
1671 | " %s [[user@]host[:file [file]]]\n" | |
1672 | " %s [[user@]host[:dir[/]]]\n" | |
1673 | " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname); | |
3c0ef626 | 1674 | exit(1); |
1675 | } | |
1676 | ||
1677 | int | |
1678 | main(int argc, char **argv) | |
1679 | { | |
6a9b3198 | 1680 | int in, out, ch, err; |
c9f39d2c | 1681 | char *host, *userhost, *cp, *file2 = NULL; |
3c0ef626 | 1682 | int debug_level = 0, sshver = 2; |
1683 | char *file1 = NULL, *sftp_server = NULL; | |
e9a17296 | 1684 | char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL; |
3c0ef626 | 1685 | LogLevel ll = SYSLOG_LEVEL_INFO; |
1686 | arglist args; | |
1687 | extern int optind; | |
1688 | extern char *optarg; | |
1689 | ||
2c06c99b | 1690 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
1691 | sanitise_stdfd(); | |
1692 | ||
0fff78ff | 1693 | __progname = ssh_get_progname(argv[0]); |
2c06c99b | 1694 | memset(&args, '\0', sizeof(args)); |
3c0ef626 | 1695 | args.list = NULL; |
9108f8d9 | 1696 | addargs(&args, "%s", ssh_program); |
3c0ef626 | 1697 | addargs(&args, "-oForwardX11 no"); |
1698 | addargs(&args, "-oForwardAgent no"); | |
2c06c99b | 1699 | addargs(&args, "-oPermitLocalCommand no"); |
3c0ef626 | 1700 | addargs(&args, "-oClearAllForwardings yes"); |
cdd66111 | 1701 | |
3c0ef626 | 1702 | ll = SYSLOG_LEVEL_INFO; |
cdd66111 | 1703 | infile = stdin; |
3c0ef626 | 1704 | |
e9a17296 | 1705 | while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) { |
3c0ef626 | 1706 | switch (ch) { |
1707 | case 'C': | |
1708 | addargs(&args, "-C"); | |
1709 | break; | |
1710 | case 'v': | |
1711 | if (debug_level < 3) { | |
1712 | addargs(&args, "-v"); | |
1713 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; | |
1714 | } | |
1715 | debug_level++; | |
1716 | break; | |
1717 | case 'F': | |
1718 | case 'o': | |
1719 | addargs(&args, "-%c%s", ch, optarg); | |
1720 | break; | |
1721 | case '1': | |
1722 | sshver = 1; | |
1723 | if (sftp_server == NULL) | |
1724 | sftp_server = _PATH_SFTP_SERVER; | |
1725 | break; | |
1726 | case 's': | |
1727 | sftp_server = optarg; | |
1728 | break; | |
1729 | case 'S': | |
1730 | ssh_program = optarg; | |
2c06c99b | 1731 | replacearg(&args, 0, "%s", ssh_program); |
3c0ef626 | 1732 | break; |
1733 | case 'b': | |
cdd66111 | 1734 | if (batchmode) |
1735 | fatal("Batch file already specified."); | |
1736 | ||
1737 | /* Allow "-" as stdin */ | |
c9f39d2c | 1738 | if (strcmp(optarg, "-") != 0 && |
665a873d | 1739 | (infile = fopen(optarg, "r")) == NULL) |
cdd66111 | 1740 | fatal("%s (%s).", strerror(errno), optarg); |
6a9b3198 | 1741 | showprogress = 0; |
cdd66111 | 1742 | batchmode = 1; |
996d5e62 | 1743 | addargs(&args, "-obatchmode yes"); |
3c0ef626 | 1744 | break; |
e9a17296 | 1745 | case 'P': |
1746 | sftp_direct = optarg; | |
1747 | break; | |
1748 | case 'B': | |
1749 | copy_buffer_len = strtol(optarg, &cp, 10); | |
1750 | if (copy_buffer_len == 0 || *cp != '\0') | |
1751 | fatal("Invalid buffer size \"%s\"", optarg); | |
1752 | break; | |
1753 | case 'R': | |
1754 | num_requests = strtol(optarg, &cp, 10); | |
1755 | if (num_requests == 0 || *cp != '\0') | |
700318f3 | 1756 | fatal("Invalid number of requests \"%s\"", |
e9a17296 | 1757 | optarg); |
1758 | break; | |
3c0ef626 | 1759 | case 'h': |
1760 | default: | |
1761 | usage(); | |
1762 | } | |
1763 | } | |
1764 | ||
99be0775 | 1765 | if (!isatty(STDERR_FILENO)) |
1766 | showprogress = 0; | |
1767 | ||
700318f3 | 1768 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); |
1769 | ||
e9a17296 | 1770 | if (sftp_direct == NULL) { |
1771 | if (optind == argc || argc > (optind + 2)) | |
1772 | usage(); | |
3c0ef626 | 1773 | |
e9a17296 | 1774 | userhost = xstrdup(argv[optind]); |
1775 | file2 = argv[optind+1]; | |
3c0ef626 | 1776 | |
6a9b3198 | 1777 | if ((host = strrchr(userhost, '@')) == NULL) |
e9a17296 | 1778 | host = userhost; |
1779 | else { | |
1780 | *host++ = '\0'; | |
1781 | if (!userhost[0]) { | |
1782 | fprintf(stderr, "Missing username\n"); | |
1783 | usage(); | |
1784 | } | |
799ae497 | 1785 | addargs(&args, "-l%s", userhost); |
3c0ef626 | 1786 | } |
3c0ef626 | 1787 | |
cdd66111 | 1788 | if ((cp = colon(host)) != NULL) { |
1789 | *cp++ = '\0'; | |
1790 | file1 = cp; | |
1791 | } | |
1792 | ||
e9a17296 | 1793 | host = cleanhostname(host); |
1794 | if (!*host) { | |
1795 | fprintf(stderr, "Missing hostname\n"); | |
1796 | usage(); | |
1797 | } | |
3c0ef626 | 1798 | |
e9a17296 | 1799 | addargs(&args, "-oProtocol %d", sshver); |
3c0ef626 | 1800 | |
e9a17296 | 1801 | /* no subsystem if the server-spec contains a '/' */ |
1802 | if (sftp_server == NULL || strchr(sftp_server, '/') == NULL) | |
1803 | addargs(&args, "-s"); | |
3c0ef626 | 1804 | |
e9a17296 | 1805 | addargs(&args, "%s", host); |
700318f3 | 1806 | addargs(&args, "%s", (sftp_server != NULL ? |
e9a17296 | 1807 | sftp_server : "sftp")); |
3c0ef626 | 1808 | |
cdd66111 | 1809 | if (!batchmode) |
1810 | fprintf(stderr, "Connecting to %s...\n", host); | |
0fff78ff | 1811 | connect_to_server(ssh_program, args.list, &in, &out); |
e9a17296 | 1812 | } else { |
1813 | args.list = NULL; | |
1814 | addargs(&args, "sftp-server"); | |
3c0ef626 | 1815 | |
cdd66111 | 1816 | if (!batchmode) |
1817 | fprintf(stderr, "Attaching to %s...\n", sftp_direct); | |
0fff78ff | 1818 | connect_to_server(sftp_direct, args.list, &in, &out); |
e9a17296 | 1819 | } |
2c06c99b | 1820 | freeargs(&args); |
3c0ef626 | 1821 | |
6a9b3198 | 1822 | err = interactive_loop(in, out, file1, file2); |
3c0ef626 | 1823 | |
1824 | #if !defined(USE_PIPES) | |
665a873d | 1825 | shutdown(in, SHUT_RDWR); |
1826 | shutdown(out, SHUT_RDWR); | |
3c0ef626 | 1827 | #endif |
1828 | ||
1829 | close(in); | |
1830 | close(out); | |
cdd66111 | 1831 | if (batchmode) |
3c0ef626 | 1832 | fclose(infile); |
1833 | ||
700318f3 | 1834 | while (waitpid(sshpid, NULL, 0) == -1) |
1835 | if (errno != EINTR) | |
1836 | fatal("Couldn't wait for ssh process: %s", | |
1837 | strerror(errno)); | |
3c0ef626 | 1838 | |
6a9b3198 | 1839 | exit(err == 0 ? 0 : 1); |
3c0ef626 | 1840 | } |