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d141f964 | 1 | /* $OpenBSD: sftp.c,v 1.111 2009/08/18 18:36:21 djm Exp $ */ |
61e96248 | 2 | /* |
ab3932ab | 3 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
61e96248 | 4 | * |
ab3932ab | 5 | * Permission to use, copy, modify, and distribute this software for any |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
61e96248 | 8 | * |
ab3932ab | 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
61e96248 | 16 | */ |
17 | ||
18 | #include "includes.h" | |
19 | ||
aa2eae64 | 20 | #include <sys/types.h> |
31652869 | 21 | #include <sys/ioctl.h> |
4095f623 | 22 | #ifdef HAVE_SYS_STAT_H |
23 | # include <sys/stat.h> | |
24 | #endif | |
536c14e8 | 25 | #include <sys/param.h> |
5b04a8bf | 26 | #include <sys/socket.h> |
aa2eae64 | 27 | #include <sys/wait.h> |
4538e135 | 28 | #ifdef HAVE_SYS_STATVFS_H |
360b43ab | 29 | #include <sys/statvfs.h> |
4538e135 | 30 | #endif |
5132eac0 | 31 | |
a733c71c | 32 | #include <ctype.h> |
028094f4 | 33 | #include <errno.h> |
34 | ||
a75f5360 | 35 | #ifdef HAVE_PATHS_H |
6f61e0ec | 36 | # include <paths.h> |
a75f5360 | 37 | #endif |
d141f964 | 38 | #ifdef HAVE_LIBGEN_H |
39 | #include <libgen.h> | |
40 | #endif | |
5132eac0 | 41 | #ifdef USE_LIBEDIT |
42 | #include <histedit.h> | |
43 | #else | |
44 | typedef void EditLine; | |
45 | #endif | |
ada68823 | 46 | #include <signal.h> |
ffa517a8 | 47 | #include <stdlib.h> |
cf851879 | 48 | #include <stdio.h> |
00146caa | 49 | #include <string.h> |
5188ba17 | 50 | #include <unistd.h> |
31652869 | 51 | #include <stdarg.h> |
61e96248 | 52 | |
b3ef88dc | 53 | #ifdef HAVE_UTIL_H |
54 | # include <util.h> | |
55 | #endif | |
56 | ||
57 | #ifdef HAVE_LIBUTIL_H | |
58 | # include <libutil.h> | |
59 | #endif | |
60 | ||
61e96248 | 61 | #include "xmalloc.h" |
62 | #include "log.h" | |
63 | #include "pathnames.h" | |
1fcde3fe | 64 | #include "misc.h" |
61e96248 | 65 | |
66 | #include "sftp.h" | |
31652869 | 67 | #include "buffer.h" |
61e96248 | 68 | #include "sftp-common.h" |
69 | #include "sftp-client.h" | |
caf1e9f0 | 70 | |
2cda7d6b | 71 | /* File to read commands from */ |
72 | FILE* infile; | |
73 | ||
74 | /* Are we in batchfile mode? */ | |
75 | int batchmode = 0; | |
76 | ||
77 | /* Size of buffer used when copying files */ | |
78 | size_t copy_buffer_len = 32768; | |
79 | ||
80 | /* Number of concurrent outstanding requests */ | |
873722cc | 81 | size_t num_requests = 64; |
2cda7d6b | 82 | |
83 | /* PID of ssh transport process */ | |
84 | static pid_t sshpid = -1; | |
85 | ||
86 | /* This is set to 0 if the progressmeter is not desired. */ | |
06abcf97 | 87 | int showprogress = 1; |
2cda7d6b | 88 | |
d141f964 | 89 | /* When this option is set, we always recursively download/upload directories */ |
90 | int global_rflag = 0; | |
91 | ||
92 | /* When this option is set, the file transfers will always preserve times */ | |
93 | int global_pflag = 0; | |
94 | ||
0e5de6f8 | 95 | /* SIGINT received during command processing */ |
96 | volatile sig_atomic_t interrupted = 0; | |
97 | ||
95cbd340 | 98 | /* I wish qsort() took a separate ctx for the comparison function...*/ |
99 | int sort_flag; | |
100 | ||
2cda7d6b | 101 | int remote_glob(struct sftp_conn *, const char *, int, |
102 | int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */ | |
61e96248 | 103 | |
5152d46f | 104 | extern char *__progname; |
5152d46f | 105 | |
2cda7d6b | 106 | /* Separators for interactive commands */ |
107 | #define WHITESPACE " \t\r\n" | |
108 | ||
95cbd340 | 109 | /* ls flags */ |
ae7daec3 | 110 | #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */ |
111 | #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */ | |
112 | #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */ | |
113 | #define LS_NAME_SORT 0x08 /* Sort by name (default) */ | |
114 | #define LS_TIME_SORT 0x10 /* Sort by mtime */ | |
115 | #define LS_SIZE_SORT 0x20 /* Sort by file size */ | |
116 | #define LS_REVERSE_SORT 0x40 /* Reverse sort order */ | |
cc4ff6c4 | 117 | #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */ |
95cbd340 | 118 | |
ae7daec3 | 119 | #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW) |
120 | #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT) | |
2cda7d6b | 121 | |
122 | /* Commands for interactive mode */ | |
123 | #define I_CHDIR 1 | |
124 | #define I_CHGRP 2 | |
125 | #define I_CHMOD 3 | |
126 | #define I_CHOWN 4 | |
360b43ab | 127 | #define I_DF 24 |
2cda7d6b | 128 | #define I_GET 5 |
129 | #define I_HELP 6 | |
130 | #define I_LCHDIR 7 | |
131 | #define I_LLS 8 | |
132 | #define I_LMKDIR 9 | |
133 | #define I_LPWD 10 | |
134 | #define I_LS 11 | |
135 | #define I_LUMASK 12 | |
136 | #define I_MKDIR 13 | |
137 | #define I_PUT 14 | |
138 | #define I_PWD 15 | |
139 | #define I_QUIT 16 | |
140 | #define I_RENAME 17 | |
141 | #define I_RM 18 | |
142 | #define I_RMDIR 19 | |
143 | #define I_SHELL 20 | |
144 | #define I_SYMLINK 21 | |
145 | #define I_VERSION 22 | |
146 | #define I_PROGRESS 23 | |
147 | ||
148 | struct CMD { | |
149 | const char *c; | |
150 | const int n; | |
151 | }; | |
152 | ||
153 | static const struct CMD cmds[] = { | |
154 | { "bye", I_QUIT }, | |
155 | { "cd", I_CHDIR }, | |
156 | { "chdir", I_CHDIR }, | |
157 | { "chgrp", I_CHGRP }, | |
158 | { "chmod", I_CHMOD }, | |
159 | { "chown", I_CHOWN }, | |
360b43ab | 160 | { "df", I_DF }, |
2cda7d6b | 161 | { "dir", I_LS }, |
162 | { "exit", I_QUIT }, | |
163 | { "get", I_GET }, | |
164 | { "mget", I_GET }, | |
165 | { "help", I_HELP }, | |
166 | { "lcd", I_LCHDIR }, | |
167 | { "lchdir", I_LCHDIR }, | |
168 | { "lls", I_LLS }, | |
169 | { "lmkdir", I_LMKDIR }, | |
170 | { "ln", I_SYMLINK }, | |
171 | { "lpwd", I_LPWD }, | |
172 | { "ls", I_LS }, | |
173 | { "lumask", I_LUMASK }, | |
174 | { "mkdir", I_MKDIR }, | |
175 | { "progress", I_PROGRESS }, | |
176 | { "put", I_PUT }, | |
177 | { "mput", I_PUT }, | |
178 | { "pwd", I_PWD }, | |
179 | { "quit", I_QUIT }, | |
180 | { "rename", I_RENAME }, | |
181 | { "rm", I_RM }, | |
182 | { "rmdir", I_RMDIR }, | |
183 | { "symlink", I_SYMLINK }, | |
184 | { "version", I_VERSION }, | |
185 | { "!", I_SHELL }, | |
186 | { "?", I_HELP }, | |
187 | { NULL, -1} | |
188 | }; | |
189 | ||
190 | int interactive_loop(int fd_in, int fd_out, char *file1, char *file2); | |
191 | ||
c9625a42 | 192 | /* ARGSUSED */ |
0e5de6f8 | 193 | static void |
194 | killchild(int signo) | |
195 | { | |
3c03ad3f | 196 | if (sshpid > 1) { |
0e5de6f8 | 197 | kill(sshpid, SIGTERM); |
3c03ad3f | 198 | waitpid(sshpid, NULL, 0); |
199 | } | |
0e5de6f8 | 200 | |
201 | _exit(1); | |
202 | } | |
203 | ||
c9625a42 | 204 | /* ARGSUSED */ |
0e5de6f8 | 205 | static void |
206 | cmd_interrupt(int signo) | |
207 | { | |
208 | const char msg[] = "\rInterrupt \n"; | |
47460206 | 209 | int olderrno = errno; |
0e5de6f8 | 210 | |
211 | write(STDERR_FILENO, msg, sizeof(msg) - 1); | |
212 | interrupted = 1; | |
47460206 | 213 | errno = olderrno; |
0e5de6f8 | 214 | } |
215 | ||
2cda7d6b | 216 | static void |
217 | help(void) | |
218 | { | |
d3cd4016 | 219 | printf("Available commands:\n" |
220 | "bye Quit sftp\n" | |
221 | "cd path Change remote directory to 'path'\n" | |
222 | "chgrp grp path Change group of file 'path' to 'grp'\n" | |
223 | "chmod mode path Change permissions of file 'path' to 'mode'\n" | |
224 | "chown own path Change owner of file 'path' to 'own'\n" | |
225 | "df [-hi] [path] Display statistics for current directory or\n" | |
226 | " filesystem containing 'path'\n" | |
227 | "exit Quit sftp\n" | |
d141f964 | 228 | "get [-Pr] remote-path [local-path] Download file\n" |
d3cd4016 | 229 | "help Display this help text\n" |
230 | "lcd path Change local directory to 'path'\n" | |
231 | "lls [ls-options [path]] Display local directory listing\n" | |
232 | "lmkdir path Create local directory\n" | |
233 | "ln oldpath newpath Symlink remote file\n" | |
234 | "lpwd Print local working directory\n" | |
235 | "ls [-1aflnrSt] [path] Display remote directory listing\n" | |
236 | "lumask umask Set local umask to 'umask'\n" | |
237 | "mkdir path Create remote directory\n" | |
238 | "progress Toggle display of progress meter\n" | |
d141f964 | 239 | "put [-Pr] local-path [remote-path] Upload file\n" |
d3cd4016 | 240 | "pwd Display remote working directory\n" |
241 | "quit Quit sftp\n" | |
242 | "rename oldpath newpath Rename remote file\n" | |
243 | "rm path Delete remote file\n" | |
244 | "rmdir path Remove remote directory\n" | |
245 | "symlink oldpath newpath Symlink remote file\n" | |
246 | "version Show SFTP version\n" | |
247 | "!command Execute 'command' in local shell\n" | |
248 | "! Escape to local shell\n" | |
249 | "? Synonym for help\n"); | |
2cda7d6b | 250 | } |
251 | ||
252 | static void | |
253 | local_do_shell(const char *args) | |
254 | { | |
255 | int status; | |
256 | char *shell; | |
257 | pid_t pid; | |
258 | ||
259 | if (!*args) | |
260 | args = NULL; | |
261 | ||
262 | if ((shell = getenv("SHELL")) == NULL) | |
263 | shell = _PATH_BSHELL; | |
264 | ||
265 | if ((pid = fork()) == -1) | |
266 | fatal("Couldn't fork: %s", strerror(errno)); | |
267 | ||
268 | if (pid == 0) { | |
269 | /* XXX: child has pipe fds to ssh subproc open - issue? */ | |
270 | if (args) { | |
271 | debug3("Executing %s -c \"%s\"", shell, args); | |
272 | execl(shell, shell, "-c", args, (char *)NULL); | |
273 | } else { | |
274 | debug3("Executing %s", shell); | |
275 | execl(shell, shell, (char *)NULL); | |
276 | } | |
277 | fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell, | |
278 | strerror(errno)); | |
279 | _exit(1); | |
280 | } | |
281 | while (waitpid(pid, &status, 0) == -1) | |
282 | if (errno != EINTR) | |
283 | fatal("Couldn't wait for child: %s", strerror(errno)); | |
284 | if (!WIFEXITED(status)) | |
522327f5 | 285 | error("Shell exited abnormally"); |
2cda7d6b | 286 | else if (WEXITSTATUS(status)) |
287 | error("Shell exited with status %d", WEXITSTATUS(status)); | |
288 | } | |
289 | ||
290 | static void | |
291 | local_do_ls(const char *args) | |
292 | { | |
293 | if (!args || !*args) | |
294 | local_do_shell(_PATH_LS); | |
295 | else { | |
296 | int len = strlen(_PATH_LS " ") + strlen(args) + 1; | |
297 | char *buf = xmalloc(len); | |
298 | ||
299 | /* XXX: quoting - rip quoting code from ftp? */ | |
300 | snprintf(buf, len, _PATH_LS " %s", args); | |
301 | local_do_shell(buf); | |
302 | xfree(buf); | |
303 | } | |
304 | } | |
305 | ||
306 | /* Strip one path (usually the pwd) from the start of another */ | |
307 | static char * | |
308 | path_strip(char *path, char *strip) | |
309 | { | |
310 | size_t len; | |
0426a3b4 | 311 | |
2cda7d6b | 312 | if (strip == NULL) |
313 | return (xstrdup(path)); | |
314 | ||
315 | len = strlen(strip); | |
47460206 | 316 | if (strncmp(path, strip, len) == 0) { |
2cda7d6b | 317 | if (strip[len - 1] != '/' && path[len] == '/') |
318 | len++; | |
319 | return (xstrdup(path + len)); | |
320 | } | |
321 | ||
322 | return (xstrdup(path)); | |
323 | } | |
324 | ||
2cda7d6b | 325 | static char * |
326 | make_absolute(char *p, char *pwd) | |
327 | { | |
ca75d7de | 328 | char *abs_str; |
2cda7d6b | 329 | |
330 | /* Derelativise */ | |
331 | if (p && p[0] != '/') { | |
ca75d7de | 332 | abs_str = path_append(pwd, p); |
2cda7d6b | 333 | xfree(p); |
ca75d7de | 334 | return(abs_str); |
2cda7d6b | 335 | } else |
336 | return(p); | |
337 | } | |
338 | ||
339 | static int | |
d141f964 | 340 | parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag, |
341 | int *rflag) | |
2cda7d6b | 342 | { |
aa47edcc | 343 | extern int opterr, optind, optopt, optreset; |
a733c71c | 344 | int ch; |
2cda7d6b | 345 | |
a733c71c | 346 | optind = optreset = 1; |
347 | opterr = 0; | |
348 | ||
d141f964 | 349 | *rflag = *pflag = 0; |
350 | while ((ch = getopt(argc, argv, "PpRr")) != -1) { | |
a733c71c | 351 | switch (ch) { |
2cda7d6b | 352 | case 'p': |
353 | case 'P': | |
354 | *pflag = 1; | |
355 | break; | |
d141f964 | 356 | case 'r': |
357 | case 'R': | |
358 | *rflag = 1; | |
359 | break; | |
2cda7d6b | 360 | default: |
aa47edcc | 361 | error("%s: Invalid flag -%c", cmd, optopt); |
a733c71c | 362 | return -1; |
2cda7d6b | 363 | } |
2cda7d6b | 364 | } |
365 | ||
a733c71c | 366 | return optind; |
2cda7d6b | 367 | } |
368 | ||
369 | static int | |
a733c71c | 370 | parse_ls_flags(char **argv, int argc, int *lflag) |
2cda7d6b | 371 | { |
aa47edcc | 372 | extern int opterr, optind, optopt, optreset; |
a733c71c | 373 | int ch; |
2cda7d6b | 374 | |
a733c71c | 375 | optind = optreset = 1; |
376 | opterr = 0; | |
2cda7d6b | 377 | |
a733c71c | 378 | *lflag = LS_NAME_SORT; |
379 | while ((ch = getopt(argc, argv, "1Saflnrt")) != -1) { | |
380 | switch (ch) { | |
381 | case '1': | |
382 | *lflag &= ~VIEW_FLAGS; | |
383 | *lflag |= LS_SHORT_VIEW; | |
384 | break; | |
385 | case 'S': | |
386 | *lflag &= ~SORT_FLAGS; | |
387 | *lflag |= LS_SIZE_SORT; | |
388 | break; | |
389 | case 'a': | |
390 | *lflag |= LS_SHOW_ALL; | |
391 | break; | |
392 | case 'f': | |
393 | *lflag &= ~SORT_FLAGS; | |
394 | break; | |
395 | case 'l': | |
396 | *lflag &= ~VIEW_FLAGS; | |
397 | *lflag |= LS_LONG_VIEW; | |
398 | break; | |
399 | case 'n': | |
400 | *lflag &= ~VIEW_FLAGS; | |
401 | *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW; | |
402 | break; | |
403 | case 'r': | |
404 | *lflag |= LS_REVERSE_SORT; | |
405 | break; | |
406 | case 't': | |
407 | *lflag &= ~SORT_FLAGS; | |
408 | *lflag |= LS_TIME_SORT; | |
409 | break; | |
410 | default: | |
aa47edcc | 411 | error("ls: Invalid flag -%c", optopt); |
a733c71c | 412 | return -1; |
2cda7d6b | 413 | } |
2cda7d6b | 414 | } |
2cda7d6b | 415 | |
a733c71c | 416 | return optind; |
2cda7d6b | 417 | } |
418 | ||
360b43ab | 419 | static int |
420 | parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag) | |
421 | { | |
aa47edcc | 422 | extern int opterr, optind, optopt, optreset; |
360b43ab | 423 | int ch; |
424 | ||
425 | optind = optreset = 1; | |
426 | opterr = 0; | |
427 | ||
428 | *hflag = *iflag = 0; | |
429 | while ((ch = getopt(argc, argv, "hi")) != -1) { | |
430 | switch (ch) { | |
431 | case 'h': | |
432 | *hflag = 1; | |
433 | break; | |
434 | case 'i': | |
435 | *iflag = 1; | |
436 | break; | |
437 | default: | |
aa47edcc | 438 | error("%s: Invalid flag -%c", cmd, optopt); |
360b43ab | 439 | return -1; |
440 | } | |
441 | } | |
442 | ||
443 | return optind; | |
444 | } | |
445 | ||
2cda7d6b | 446 | static int |
447 | is_dir(char *path) | |
448 | { | |
449 | struct stat sb; | |
450 | ||
451 | /* XXX: report errors? */ | |
452 | if (stat(path, &sb) == -1) | |
453 | return(0); | |
454 | ||
d3fc2aa3 | 455 | return(S_ISDIR(sb.st_mode)); |
2cda7d6b | 456 | } |
457 | ||
2cda7d6b | 458 | static int |
459 | remote_is_dir(struct sftp_conn *conn, char *path) | |
460 | { | |
461 | Attrib *a; | |
462 | ||
463 | /* XXX: report errors? */ | |
464 | if ((a = do_stat(conn, path, 1)) == NULL) | |
465 | return(0); | |
466 | if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) | |
467 | return(0); | |
d3fc2aa3 | 468 | return(S_ISDIR(a->perm)); |
2cda7d6b | 469 | } |
470 | ||
d141f964 | 471 | /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */ |
472 | static int | |
473 | pathname_is_dir(char *pathname) | |
474 | { | |
475 | size_t l = strlen(pathname); | |
476 | ||
477 | return l > 0 && pathname[l - 1] == '/'; | |
478 | } | |
479 | ||
2cda7d6b | 480 | static int |
d141f964 | 481 | process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, |
482 | int pflag, int rflag) | |
2cda7d6b | 483 | { |
484 | char *abs_src = NULL; | |
485 | char *abs_dst = NULL; | |
2cda7d6b | 486 | glob_t g; |
d141f964 | 487 | char *filename, *tmp=NULL; |
488 | int i, err = 0; | |
2cda7d6b | 489 | |
490 | abs_src = xstrdup(src); | |
491 | abs_src = make_absolute(abs_src, pwd); | |
2cda7d6b | 492 | memset(&g, 0, sizeof(g)); |
d141f964 | 493 | |
2cda7d6b | 494 | debug3("Looking up %s", abs_src); |
d141f964 | 495 | if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) { |
2cda7d6b | 496 | error("File \"%s\" not found.", abs_src); |
497 | err = -1; | |
498 | goto out; | |
499 | } | |
500 | ||
d141f964 | 501 | /* |
502 | * If multiple matches then dst must be a directory or | |
503 | * unspecified. | |
504 | */ | |
505 | if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) { | |
506 | error("Multiple source paths, but destination " | |
507 | "\"%s\" is not a directory", dst); | |
2cda7d6b | 508 | err = -1; |
509 | goto out; | |
510 | } | |
511 | ||
0e5de6f8 | 512 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
d141f964 | 513 | tmp = xstrdup(g.gl_pathv[i]); |
514 | if ((filename = basename(tmp)) == NULL) { | |
515 | error("basename %s: %s", tmp, strerror(errno)); | |
516 | xfree(tmp); | |
2cda7d6b | 517 | err = -1; |
518 | goto out; | |
519 | } | |
520 | ||
521 | if (g.gl_matchc == 1 && dst) { | |
2cda7d6b | 522 | if (is_dir(dst)) { |
d141f964 | 523 | abs_dst = path_append(dst, filename); |
524 | } else { | |
2cda7d6b | 525 | abs_dst = xstrdup(dst); |
d141f964 | 526 | } |
2cda7d6b | 527 | } else if (dst) { |
d141f964 | 528 | abs_dst = path_append(dst, filename); |
529 | } else { | |
530 | abs_dst = xstrdup(filename); | |
531 | } | |
532 | xfree(tmp); | |
2cda7d6b | 533 | |
534 | printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst); | |
d141f964 | 535 | if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) { |
536 | if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL, | |
537 | pflag || global_pflag, 1) == -1) | |
538 | err = -1; | |
539 | } else { | |
540 | if (do_download(conn, g.gl_pathv[i], abs_dst, NULL, | |
541 | pflag || global_pflag) == -1) | |
542 | err = -1; | |
543 | } | |
2cda7d6b | 544 | xfree(abs_dst); |
545 | abs_dst = NULL; | |
546 | } | |
547 | ||
548 | out: | |
549 | xfree(abs_src); | |
2cda7d6b | 550 | globfree(&g); |
551 | return(err); | |
552 | } | |
553 | ||
554 | static int | |
d141f964 | 555 | process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, |
556 | int pflag, int rflag) | |
2cda7d6b | 557 | { |
558 | char *tmp_dst = NULL; | |
559 | char *abs_dst = NULL; | |
d141f964 | 560 | char *tmp = NULL, *filename = NULL; |
2cda7d6b | 561 | glob_t g; |
562 | int err = 0; | |
d141f964 | 563 | int i, dst_is_dir = 1; |
70755b3b | 564 | struct stat sb; |
2cda7d6b | 565 | |
566 | if (dst) { | |
567 | tmp_dst = xstrdup(dst); | |
568 | tmp_dst = make_absolute(tmp_dst, pwd); | |
569 | } | |
570 | ||
571 | memset(&g, 0, sizeof(g)); | |
572 | debug3("Looking up %s", src); | |
d141f964 | 573 | if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) { |
2cda7d6b | 574 | error("File \"%s\" not found.", src); |
575 | err = -1; | |
576 | goto out; | |
577 | } | |
578 | ||
d141f964 | 579 | /* If we aren't fetching to pwd then stash this status for later */ |
580 | if (tmp_dst != NULL) | |
581 | dst_is_dir = remote_is_dir(conn, tmp_dst); | |
582 | ||
2cda7d6b | 583 | /* If multiple matches, dst may be directory or unspecified */ |
d141f964 | 584 | if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) { |
585 | error("Multiple paths match, but destination " | |
586 | "\"%s\" is not a directory", tmp_dst); | |
2cda7d6b | 587 | err = -1; |
588 | goto out; | |
589 | } | |
590 | ||
0e5de6f8 | 591 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
70755b3b | 592 | if (stat(g.gl_pathv[i], &sb) == -1) { |
593 | err = -1; | |
594 | error("stat %s: %s", g.gl_pathv[i], strerror(errno)); | |
595 | continue; | |
596 | } | |
d141f964 | 597 | |
598 | tmp = xstrdup(g.gl_pathv[i]); | |
599 | if ((filename = basename(tmp)) == NULL) { | |
600 | error("basename %s: %s", tmp, strerror(errno)); | |
601 | xfree(tmp); | |
2cda7d6b | 602 | err = -1; |
603 | goto out; | |
604 | } | |
605 | ||
606 | if (g.gl_matchc == 1 && tmp_dst) { | |
607 | /* If directory specified, append filename */ | |
d141f964 | 608 | if (dst_is_dir) |
609 | abs_dst = path_append(tmp_dst, filename); | |
610 | else | |
2cda7d6b | 611 | abs_dst = xstrdup(tmp_dst); |
2cda7d6b | 612 | } else if (tmp_dst) { |
d141f964 | 613 | abs_dst = path_append(tmp_dst, filename); |
614 | } else { | |
615 | abs_dst = make_absolute(xstrdup(filename), pwd); | |
616 | } | |
617 | xfree(tmp); | |
2cda7d6b | 618 | |
619 | printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst); | |
d141f964 | 620 | if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) { |
621 | if (upload_dir(conn, g.gl_pathv[i], abs_dst, | |
622 | pflag || global_pflag, 1) == -1) | |
623 | err = -1; | |
624 | } else { | |
625 | if (do_upload(conn, g.gl_pathv[i], abs_dst, | |
626 | pflag || global_pflag) == -1) | |
627 | err = -1; | |
628 | } | |
2cda7d6b | 629 | } |
630 | ||
631 | out: | |
632 | if (abs_dst) | |
633 | xfree(abs_dst); | |
634 | if (tmp_dst) | |
635 | xfree(tmp_dst); | |
636 | globfree(&g); | |
637 | return(err); | |
638 | } | |
639 | ||
640 | static int | |
641 | sdirent_comp(const void *aa, const void *bb) | |
642 | { | |
643 | SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; | |
644 | SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; | |
ae7daec3 | 645 | int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1; |
2cda7d6b | 646 | |
95cbd340 | 647 | #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1)) |
ae7daec3 | 648 | if (sort_flag & LS_NAME_SORT) |
95cbd340 | 649 | return (rmul * strcmp(a->filename, b->filename)); |
ae7daec3 | 650 | else if (sort_flag & LS_TIME_SORT) |
95cbd340 | 651 | return (rmul * NCMP(a->a.mtime, b->a.mtime)); |
ae7daec3 | 652 | else if (sort_flag & LS_SIZE_SORT) |
95cbd340 | 653 | return (rmul * NCMP(a->a.size, b->a.size)); |
654 | ||
655 | fatal("Unknown ls sort type"); | |
2cda7d6b | 656 | } |
657 | ||
658 | /* sftp ls.1 replacement for directories */ | |
659 | static int | |
660 | do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) | |
661 | { | |
2ceb8101 | 662 | int n; |
663 | u_int c = 1, colspace = 0, columns = 1; | |
2cda7d6b | 664 | SFTP_DIRENT **d; |
665 | ||
666 | if ((n = do_readdir(conn, path, &d)) != 0) | |
667 | return (n); | |
668 | ||
ae7daec3 | 669 | if (!(lflag & LS_SHORT_VIEW)) { |
2ceb8101 | 670 | u_int m = 0, width = 80; |
2cda7d6b | 671 | struct winsize ws; |
672 | char *tmp; | |
673 | ||
674 | /* Count entries for sort and find longest filename */ | |
cc4ff6c4 | 675 | for (n = 0; d[n] != NULL; n++) { |
676 | if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL)) | |
677 | m = MAX(m, strlen(d[n]->filename)); | |
678 | } | |
2cda7d6b | 679 | |
680 | /* Add any subpath that also needs to be counted */ | |
681 | tmp = path_strip(path, strip_path); | |
682 | m += strlen(tmp); | |
683 | xfree(tmp); | |
684 | ||
685 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
686 | width = ws.ws_col; | |
687 | ||
688 | columns = width / (m + 2); | |
689 | columns = MAX(columns, 1); | |
690 | colspace = width / columns; | |
691 | colspace = MIN(colspace, width); | |
692 | } | |
693 | ||
95cbd340 | 694 | if (lflag & SORT_FLAGS) { |
bdd3b323 | 695 | for (n = 0; d[n] != NULL; n++) |
696 | ; /* count entries */ | |
ae7daec3 | 697 | sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT); |
95cbd340 | 698 | qsort(d, n, sizeof(*d), sdirent_comp); |
699 | } | |
2cda7d6b | 700 | |
0e5de6f8 | 701 | for (n = 0; d[n] != NULL && !interrupted; n++) { |
2cda7d6b | 702 | char *tmp, *fname; |
703 | ||
cc4ff6c4 | 704 | if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL)) |
705 | continue; | |
706 | ||
2cda7d6b | 707 | tmp = path_append(path, d[n]->filename); |
708 | fname = path_strip(tmp, strip_path); | |
709 | xfree(tmp); | |
710 | ||
ae7daec3 | 711 | if (lflag & LS_LONG_VIEW) { |
712 | if (lflag & LS_NUMERIC_VIEW) { | |
48925711 | 713 | char *lname; |
714 | struct stat sb; | |
715 | ||
716 | memset(&sb, 0, sizeof(sb)); | |
717 | attrib_to_stat(&d[n]->a, &sb); | |
718 | lname = ls_file(fname, &sb, 1); | |
719 | printf("%s\n", lname); | |
720 | xfree(lname); | |
721 | } else | |
722 | printf("%s\n", d[n]->longname); | |
2cda7d6b | 723 | } else { |
724 | printf("%-*s", colspace, fname); | |
725 | if (c >= columns) { | |
726 | printf("\n"); | |
727 | c = 1; | |
728 | } else | |
729 | c++; | |
730 | } | |
731 | ||
732 | xfree(fname); | |
733 | } | |
734 | ||
ae7daec3 | 735 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
2cda7d6b | 736 | printf("\n"); |
737 | ||
738 | free_sftp_dirents(d); | |
739 | return (0); | |
740 | } | |
741 | ||
742 | /* sftp ls.1 replacement which handles path globs */ | |
743 | static int | |
744 | do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, | |
745 | int lflag) | |
746 | { | |
747 | glob_t g; | |
2ceb8101 | 748 | u_int i, c = 1, colspace = 0, columns = 1; |
2bd204e5 | 749 | Attrib *a = NULL; |
2cda7d6b | 750 | |
751 | memset(&g, 0, sizeof(g)); | |
752 | ||
753 | if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, | |
2bd204e5 | 754 | NULL, &g) || (g.gl_pathc && !g.gl_matchc)) { |
755 | if (g.gl_pathc) | |
756 | globfree(&g); | |
2cda7d6b | 757 | error("Can't ls: \"%s\" not found", path); |
758 | return (-1); | |
759 | } | |
760 | ||
0e5de6f8 | 761 | if (interrupted) |
762 | goto out; | |
763 | ||
2cda7d6b | 764 | /* |
2bd204e5 | 765 | * If the glob returns a single match and it is a directory, |
766 | * then just list its contents. | |
2cda7d6b | 767 | */ |
2bd204e5 | 768 | if (g.gl_matchc == 1) { |
769 | if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) { | |
2cda7d6b | 770 | globfree(&g); |
771 | return (-1); | |
772 | } | |
773 | if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && | |
774 | S_ISDIR(a->perm)) { | |
2bd204e5 | 775 | int err; |
776 | ||
777 | err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag); | |
2cda7d6b | 778 | globfree(&g); |
2bd204e5 | 779 | return (err); |
2cda7d6b | 780 | } |
781 | } | |
782 | ||
ae7daec3 | 783 | if (!(lflag & LS_SHORT_VIEW)) { |
2ceb8101 | 784 | u_int m = 0, width = 80; |
2cda7d6b | 785 | struct winsize ws; |
786 | ||
787 | /* Count entries for sort and find longest filename */ | |
788 | for (i = 0; g.gl_pathv[i]; i++) | |
789 | m = MAX(m, strlen(g.gl_pathv[i])); | |
790 | ||
791 | if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1) | |
792 | width = ws.ws_col; | |
793 | ||
794 | columns = width / (m + 2); | |
795 | columns = MAX(columns, 1); | |
796 | colspace = width / columns; | |
797 | } | |
798 | ||
2bd204e5 | 799 | for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) { |
2cda7d6b | 800 | char *fname; |
801 | ||
802 | fname = path_strip(g.gl_pathv[i], strip_path); | |
803 | ||
ae7daec3 | 804 | if (lflag & LS_LONG_VIEW) { |
2cda7d6b | 805 | char *lname; |
806 | struct stat sb; | |
807 | ||
808 | /* | |
809 | * XXX: this is slow - 1 roundtrip per path | |
810 | * A solution to this is to fork glob() and | |
811 | * build a sftp specific version which keeps the | |
812 | * attribs (which currently get thrown away) | |
813 | * that the server returns as well as the filenames. | |
814 | */ | |
815 | memset(&sb, 0, sizeof(sb)); | |
2bd204e5 | 816 | if (a == NULL) |
817 | a = do_lstat(conn, g.gl_pathv[i], 1); | |
2cda7d6b | 818 | if (a != NULL) |
819 | attrib_to_stat(a, &sb); | |
820 | lname = ls_file(fname, &sb, 1); | |
821 | printf("%s\n", lname); | |
822 | xfree(lname); | |
823 | } else { | |
824 | printf("%-*s", colspace, fname); | |
825 | if (c >= columns) { | |
826 | printf("\n"); | |
827 | c = 1; | |
828 | } else | |
829 | c++; | |
830 | } | |
831 | xfree(fname); | |
832 | } | |
833 | ||
ae7daec3 | 834 | if (!(lflag & LS_LONG_VIEW) && (c != 1)) |
2cda7d6b | 835 | printf("\n"); |
836 | ||
0e5de6f8 | 837 | out: |
2cda7d6b | 838 | if (g.gl_pathc) |
839 | globfree(&g); | |
840 | ||
841 | return (0); | |
842 | } | |
843 | ||
360b43ab | 844 | static int |
845 | do_df(struct sftp_conn *conn, char *path, int hflag, int iflag) | |
846 | { | |
5a3cde15 | 847 | struct sftp_statvfs st; |
360b43ab | 848 | char s_used[FMT_SCALED_STRSIZE]; |
849 | char s_avail[FMT_SCALED_STRSIZE]; | |
850 | char s_root[FMT_SCALED_STRSIZE]; | |
851 | char s_total[FMT_SCALED_STRSIZE]; | |
852 | ||
853 | if (do_statvfs(conn, path, &st, 1) == -1) | |
854 | return -1; | |
855 | if (iflag) { | |
856 | printf(" Inodes Used Avail " | |
857 | "(root) %%Capacity\n"); | |
858 | printf("%11llu %11llu %11llu %11llu %3llu%%\n", | |
859 | (unsigned long long)st.f_files, | |
860 | (unsigned long long)(st.f_files - st.f_ffree), | |
861 | (unsigned long long)st.f_favail, | |
862 | (unsigned long long)st.f_ffree, | |
863 | (unsigned long long)(100 * (st.f_files - st.f_ffree) / | |
864 | st.f_files)); | |
865 | } else if (hflag) { | |
866 | strlcpy(s_used, "error", sizeof(s_used)); | |
867 | strlcpy(s_avail, "error", sizeof(s_avail)); | |
868 | strlcpy(s_root, "error", sizeof(s_root)); | |
869 | strlcpy(s_total, "error", sizeof(s_total)); | |
870 | fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used); | |
871 | fmt_scaled(st.f_bavail * st.f_frsize, s_avail); | |
872 | fmt_scaled(st.f_bfree * st.f_frsize, s_root); | |
873 | fmt_scaled(st.f_blocks * st.f_frsize, s_total); | |
874 | printf(" Size Used Avail (root) %%Capacity\n"); | |
875 | printf("%7sB %7sB %7sB %7sB %3llu%%\n", | |
876 | s_total, s_used, s_avail, s_root, | |
877 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
878 | st.f_blocks)); | |
879 | } else { | |
880 | printf(" Size Used Avail " | |
881 | "(root) %%Capacity\n"); | |
882 | printf("%12llu %12llu %12llu %12llu %3llu%%\n", | |
883 | (unsigned long long)(st.f_frsize * st.f_blocks / 1024), | |
884 | (unsigned long long)(st.f_frsize * | |
885 | (st.f_blocks - st.f_bfree) / 1024), | |
886 | (unsigned long long)(st.f_frsize * st.f_bavail / 1024), | |
887 | (unsigned long long)(st.f_frsize * st.f_bfree / 1024), | |
888 | (unsigned long long)(100 * (st.f_blocks - st.f_bfree) / | |
889 | st.f_blocks)); | |
890 | } | |
891 | return 0; | |
892 | } | |
893 | ||
a733c71c | 894 | /* |
895 | * Undo escaping of glob sequences in place. Used to undo extra escaping | |
896 | * applied in makeargv() when the string is destined for a function that | |
897 | * does not glob it. | |
898 | */ | |
899 | static void | |
900 | undo_glob_escape(char *s) | |
901 | { | |
902 | size_t i, j; | |
903 | ||
904 | for (i = j = 0;;) { | |
905 | if (s[i] == '\0') { | |
906 | s[j] = '\0'; | |
907 | return; | |
908 | } | |
909 | if (s[i] != '\\') { | |
910 | s[j++] = s[i++]; | |
911 | continue; | |
912 | } | |
913 | /* s[i] == '\\' */ | |
914 | ++i; | |
915 | switch (s[i]) { | |
916 | case '?': | |
917 | case '[': | |
918 | case '*': | |
919 | case '\\': | |
920 | s[j++] = s[i++]; | |
921 | break; | |
922 | case '\0': | |
923 | s[j++] = '\\'; | |
924 | s[j] = '\0'; | |
925 | return; | |
926 | default: | |
927 | s[j++] = '\\'; | |
928 | s[j++] = s[i++]; | |
929 | break; | |
930 | } | |
931 | } | |
932 | } | |
933 | ||
934 | /* | |
935 | * Split a string into an argument vector using sh(1)-style quoting, | |
936 | * comment and escaping rules, but with some tweaks to handle glob(3) | |
937 | * wildcards. | |
938 | * Returns NULL on error or a NULL-terminated array of arguments. | |
939 | */ | |
940 | #define MAXARGS 128 | |
941 | #define MAXARGLEN 8192 | |
942 | static char ** | |
943 | makeargv(const char *arg, int *argcp) | |
944 | { | |
945 | int argc, quot; | |
946 | size_t i, j; | |
947 | static char argvs[MAXARGLEN]; | |
948 | static char *argv[MAXARGS + 1]; | |
949 | enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q; | |
950 | ||
951 | *argcp = argc = 0; | |
952 | if (strlen(arg) > sizeof(argvs) - 1) { | |
953 | args_too_longs: | |
954 | error("string too long"); | |
955 | return NULL; | |
956 | } | |
957 | state = MA_START; | |
958 | i = j = 0; | |
959 | for (;;) { | |
960 | if (isspace(arg[i])) { | |
961 | if (state == MA_UNQUOTED) { | |
962 | /* Terminate current argument */ | |
963 | argvs[j++] = '\0'; | |
964 | argc++; | |
965 | state = MA_START; | |
966 | } else if (state != MA_START) | |
967 | argvs[j++] = arg[i]; | |
968 | } else if (arg[i] == '"' || arg[i] == '\'') { | |
969 | q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE; | |
970 | if (state == MA_START) { | |
971 | argv[argc] = argvs + j; | |
972 | state = q; | |
973 | } else if (state == MA_UNQUOTED) | |
974 | state = q; | |
975 | else if (state == q) | |
976 | state = MA_UNQUOTED; | |
977 | else | |
978 | argvs[j++] = arg[i]; | |
979 | } else if (arg[i] == '\\') { | |
980 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
981 | quot = state == MA_SQUOTE ? '\'' : '"'; | |
982 | /* Unescape quote we are in */ | |
983 | /* XXX support \n and friends? */ | |
984 | if (arg[i + 1] == quot) { | |
985 | i++; | |
986 | argvs[j++] = arg[i]; | |
987 | } else if (arg[i + 1] == '?' || | |
988 | arg[i + 1] == '[' || arg[i + 1] == '*') { | |
989 | /* | |
990 | * Special case for sftp: append | |
991 | * double-escaped glob sequence - | |
992 | * glob will undo one level of | |
993 | * escaping. NB. string can grow here. | |
994 | */ | |
995 | if (j >= sizeof(argvs) - 5) | |
996 | goto args_too_longs; | |
997 | argvs[j++] = '\\'; | |
998 | argvs[j++] = arg[i++]; | |
999 | argvs[j++] = '\\'; | |
1000 | argvs[j++] = arg[i]; | |
1001 | } else { | |
1002 | argvs[j++] = arg[i++]; | |
1003 | argvs[j++] = arg[i]; | |
1004 | } | |
1005 | } else { | |
1006 | if (state == MA_START) { | |
1007 | argv[argc] = argvs + j; | |
1008 | state = MA_UNQUOTED; | |
1009 | } | |
1010 | if (arg[i + 1] == '?' || arg[i + 1] == '[' || | |
1011 | arg[i + 1] == '*' || arg[i + 1] == '\\') { | |
1012 | /* | |
1013 | * Special case for sftp: append | |
1014 | * escaped glob sequence - | |
1015 | * glob will undo one level of | |
1016 | * escaping. | |
1017 | */ | |
1018 | argvs[j++] = arg[i++]; | |
1019 | argvs[j++] = arg[i]; | |
1020 | } else { | |
1021 | /* Unescape everything */ | |
1022 | /* XXX support \n and friends? */ | |
1023 | i++; | |
1024 | argvs[j++] = arg[i]; | |
1025 | } | |
1026 | } | |
1027 | } else if (arg[i] == '#') { | |
1028 | if (state == MA_SQUOTE || state == MA_DQUOTE) | |
1029 | argvs[j++] = arg[i]; | |
1030 | else | |
1031 | goto string_done; | |
1032 | } else if (arg[i] == '\0') { | |
1033 | if (state == MA_SQUOTE || state == MA_DQUOTE) { | |
1034 | error("Unterminated quoted argument"); | |
1035 | return NULL; | |
1036 | } | |
1037 | string_done: | |
1038 | if (state == MA_UNQUOTED) { | |
1039 | argvs[j++] = '\0'; | |
1040 | argc++; | |
1041 | } | |
1042 | break; | |
1043 | } else { | |
1044 | if (state == MA_START) { | |
1045 | argv[argc] = argvs + j; | |
1046 | state = MA_UNQUOTED; | |
1047 | } | |
1048 | if ((state == MA_SQUOTE || state == MA_DQUOTE) && | |
1049 | (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) { | |
1050 | /* | |
1051 | * Special case for sftp: escape quoted | |
1052 | * glob(3) wildcards. NB. string can grow | |
1053 | * here. | |
1054 | */ | |
1055 | if (j >= sizeof(argvs) - 3) | |
1056 | goto args_too_longs; | |
1057 | argvs[j++] = '\\'; | |
1058 | argvs[j++] = arg[i]; | |
1059 | } else | |
1060 | argvs[j++] = arg[i]; | |
1061 | } | |
1062 | i++; | |
1063 | } | |
1064 | *argcp = argc; | |
1065 | return argv; | |
1066 | } | |
1067 | ||
2cda7d6b | 1068 | static int |
d141f964 | 1069 | parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag, int *hflag, |
2cda7d6b | 1070 | unsigned long *n_arg, char **path1, char **path2) |
1071 | { | |
1072 | const char *cmd, *cp = *cpp; | |
a733c71c | 1073 | char *cp2, **argv; |
2cda7d6b | 1074 | int base = 0; |
1075 | long l; | |
a733c71c | 1076 | int i, cmdnum, optidx, argc; |
2cda7d6b | 1077 | |
1078 | /* Skip leading whitespace */ | |
1079 | cp = cp + strspn(cp, WHITESPACE); | |
1080 | ||
1081 | /* Ignore blank lines and lines which begin with comment '#' char */ | |
1082 | if (*cp == '\0' || *cp == '#') | |
1083 | return (0); | |
1084 | ||
1085 | /* Check for leading '-' (disable error processing) */ | |
1086 | *iflag = 0; | |
1087 | if (*cp == '-') { | |
1088 | *iflag = 1; | |
1089 | cp++; | |
1090 | } | |
1091 | ||
a733c71c | 1092 | if ((argv = makeargv(cp, &argc)) == NULL) |
1093 | return -1; | |
1094 | ||
2cda7d6b | 1095 | /* Figure out which command we have */ |
a733c71c | 1096 | for (i = 0; cmds[i].c != NULL; i++) { |
1097 | if (strcasecmp(cmds[i].c, argv[0]) == 0) | |
2cda7d6b | 1098 | break; |
2cda7d6b | 1099 | } |
1100 | cmdnum = cmds[i].n; | |
1101 | cmd = cmds[i].c; | |
1102 | ||
1103 | /* Special case */ | |
1104 | if (*cp == '!') { | |
1105 | cp++; | |
1106 | cmdnum = I_SHELL; | |
1107 | } else if (cmdnum == -1) { | |
1108 | error("Invalid command."); | |
a733c71c | 1109 | return -1; |
2cda7d6b | 1110 | } |
1111 | ||
1112 | /* Get arguments and parse flags */ | |
d141f964 | 1113 | *lflag = *pflag = *rflag = *hflag = *n_arg = 0; |
2cda7d6b | 1114 | *path1 = *path2 = NULL; |
a733c71c | 1115 | optidx = 1; |
2cda7d6b | 1116 | switch (cmdnum) { |
1117 | case I_GET: | |
1118 | case I_PUT: | |
d141f964 | 1119 | if ((optidx = parse_getput_flags(cmd, argv, argc, pflag, rflag)) == -1) |
a733c71c | 1120 | return -1; |
2cda7d6b | 1121 | /* Get first pathname (mandatory) */ |
a733c71c | 1122 | if (argc - optidx < 1) { |
2cda7d6b | 1123 | error("You must specify at least one path after a " |
1124 | "%s command.", cmd); | |
a733c71c | 1125 | return -1; |
1126 | } | |
1127 | *path1 = xstrdup(argv[optidx]); | |
1128 | /* Get second pathname (optional) */ | |
1129 | if (argc - optidx > 1) { | |
1130 | *path2 = xstrdup(argv[optidx + 1]); | |
1131 | /* Destination is not globbed */ | |
1132 | undo_glob_escape(*path2); | |
2cda7d6b | 1133 | } |
2cda7d6b | 1134 | break; |
1135 | case I_RENAME: | |
1136 | case I_SYMLINK: | |
a733c71c | 1137 | if (argc - optidx < 2) { |
2cda7d6b | 1138 | error("You must specify two paths after a %s " |
1139 | "command.", cmd); | |
a733c71c | 1140 | return -1; |
2cda7d6b | 1141 | } |
a733c71c | 1142 | *path1 = xstrdup(argv[optidx]); |
1143 | *path2 = xstrdup(argv[optidx + 1]); | |
1144 | /* Paths are not globbed */ | |
1145 | undo_glob_escape(*path1); | |
1146 | undo_glob_escape(*path2); | |
2cda7d6b | 1147 | break; |
1148 | case I_RM: | |
1149 | case I_MKDIR: | |
1150 | case I_RMDIR: | |
1151 | case I_CHDIR: | |
1152 | case I_LCHDIR: | |
1153 | case I_LMKDIR: | |
1154 | /* Get pathname (mandatory) */ | |
a733c71c | 1155 | if (argc - optidx < 1) { |
2cda7d6b | 1156 | error("You must specify a path after a %s command.", |
1157 | cmd); | |
a733c71c | 1158 | return -1; |
2cda7d6b | 1159 | } |
a733c71c | 1160 | *path1 = xstrdup(argv[optidx]); |
1161 | /* Only "rm" globs */ | |
1162 | if (cmdnum != I_RM) | |
1163 | undo_glob_escape(*path1); | |
2cda7d6b | 1164 | break; |
360b43ab | 1165 | case I_DF: |
1166 | if ((optidx = parse_df_flags(cmd, argv, argc, hflag, | |
1167 | iflag)) == -1) | |
1168 | return -1; | |
1169 | /* Default to current directory if no path specified */ | |
1170 | if (argc - optidx < 1) | |
1171 | *path1 = NULL; | |
1172 | else { | |
1173 | *path1 = xstrdup(argv[optidx]); | |
1174 | undo_glob_escape(*path1); | |
1175 | } | |
1176 | break; | |
2cda7d6b | 1177 | case I_LS: |
a733c71c | 1178 | if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1) |
2cda7d6b | 1179 | return(-1); |
1180 | /* Path is optional */ | |
a733c71c | 1181 | if (argc - optidx > 0) |
1182 | *path1 = xstrdup(argv[optidx]); | |
2cda7d6b | 1183 | break; |
1184 | case I_LLS: | |
65172fff | 1185 | /* Skip ls command and following whitespace */ |
1186 | cp = cp + strlen(cmd) + strspn(cp, WHITESPACE); | |
2cda7d6b | 1187 | case I_SHELL: |
1188 | /* Uses the rest of the line */ | |
1189 | break; | |
1190 | case I_LUMASK: | |
2cda7d6b | 1191 | case I_CHMOD: |
1192 | base = 8; | |
1193 | case I_CHOWN: | |
1194 | case I_CHGRP: | |
1195 | /* Get numeric arg (mandatory) */ | |
a733c71c | 1196 | if (argc - optidx < 1) |
1197 | goto need_num_arg; | |
b3c338b7 | 1198 | errno = 0; |
a733c71c | 1199 | l = strtol(argv[optidx], &cp2, base); |
1200 | if (cp2 == argv[optidx] || *cp2 != '\0' || | |
1201 | ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) || | |
1202 | l < 0) { | |
1203 | need_num_arg: | |
2cda7d6b | 1204 | error("You must supply a numeric argument " |
1205 | "to the %s command.", cmd); | |
a733c71c | 1206 | return -1; |
2cda7d6b | 1207 | } |
2cda7d6b | 1208 | *n_arg = l; |
a733c71c | 1209 | if (cmdnum == I_LUMASK) |
2cda7d6b | 1210 | break; |
2cda7d6b | 1211 | /* Get pathname (mandatory) */ |
a733c71c | 1212 | if (argc - optidx < 2) { |
2cda7d6b | 1213 | error("You must specify a path after a %s command.", |
1214 | cmd); | |
a733c71c | 1215 | return -1; |
2cda7d6b | 1216 | } |
a733c71c | 1217 | *path1 = xstrdup(argv[optidx + 1]); |
2cda7d6b | 1218 | break; |
1219 | case I_QUIT: | |
1220 | case I_PWD: | |
1221 | case I_LPWD: | |
1222 | case I_HELP: | |
1223 | case I_VERSION: | |
1224 | case I_PROGRESS: | |
1225 | break; | |
1226 | default: | |
1227 | fatal("Command not implemented"); | |
1228 | } | |
1229 | ||
1230 | *cpp = cp; | |
1231 | return(cmdnum); | |
1232 | } | |
1233 | ||
1234 | static int | |
1235 | parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, | |
1236 | int err_abort) | |
1237 | { | |
1238 | char *path1, *path2, *tmp; | |
d141f964 | 1239 | int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, cmdnum, i; |
69354fe2 | 1240 | unsigned long n_arg = 0; |
2cda7d6b | 1241 | Attrib a, *aa; |
1242 | char path_buf[MAXPATHLEN]; | |
1243 | int err = 0; | |
1244 | glob_t g; | |
1245 | ||
1246 | path1 = path2 = NULL; | |
d141f964 | 1247 | cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag, &n_arg, |
2cda7d6b | 1248 | &path1, &path2); |
1249 | ||
1250 | if (iflag != 0) | |
1251 | err_abort = 0; | |
1252 | ||
1253 | memset(&g, 0, sizeof(g)); | |
1254 | ||
1255 | /* Perform command */ | |
1256 | switch (cmdnum) { | |
1257 | case 0: | |
1258 | /* Blank line */ | |
1259 | break; | |
1260 | case -1: | |
1261 | /* Unrecognized command */ | |
1262 | err = -1; | |
1263 | break; | |
1264 | case I_GET: | |
d141f964 | 1265 | err = process_get(conn, path1, path2, *pwd, pflag, rflag); |
2cda7d6b | 1266 | break; |
1267 | case I_PUT: | |
d141f964 | 1268 | err = process_put(conn, path1, path2, *pwd, pflag, rflag); |
2cda7d6b | 1269 | break; |
1270 | case I_RENAME: | |
1271 | path1 = make_absolute(path1, *pwd); | |
1272 | path2 = make_absolute(path2, *pwd); | |
1273 | err = do_rename(conn, path1, path2); | |
1274 | break; | |
1275 | case I_SYMLINK: | |
1276 | path2 = make_absolute(path2, *pwd); | |
1277 | err = do_symlink(conn, path1, path2); | |
1278 | break; | |
1279 | case I_RM: | |
1280 | path1 = make_absolute(path1, *pwd); | |
1281 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1282 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1283 | printf("Removing %s\n", g.gl_pathv[i]); |
1284 | err = do_rm(conn, g.gl_pathv[i]); | |
1285 | if (err != 0 && err_abort) | |
1286 | break; | |
1287 | } | |
1288 | break; | |
1289 | case I_MKDIR: | |
1290 | path1 = make_absolute(path1, *pwd); | |
1291 | attrib_clear(&a); | |
1292 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1293 | a.perm = 0777; | |
d141f964 | 1294 | err = do_mkdir(conn, path1, &a, 1); |
2cda7d6b | 1295 | break; |
1296 | case I_RMDIR: | |
1297 | path1 = make_absolute(path1, *pwd); | |
1298 | err = do_rmdir(conn, path1); | |
1299 | break; | |
1300 | case I_CHDIR: | |
1301 | path1 = make_absolute(path1, *pwd); | |
1302 | if ((tmp = do_realpath(conn, path1)) == NULL) { | |
1303 | err = 1; | |
1304 | break; | |
1305 | } | |
1306 | if ((aa = do_stat(conn, tmp, 0)) == NULL) { | |
1307 | xfree(tmp); | |
1308 | err = 1; | |
1309 | break; | |
1310 | } | |
1311 | if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) { | |
1312 | error("Can't change directory: Can't check target"); | |
1313 | xfree(tmp); | |
1314 | err = 1; | |
1315 | break; | |
1316 | } | |
1317 | if (!S_ISDIR(aa->perm)) { | |
1318 | error("Can't change directory: \"%s\" is not " | |
1319 | "a directory", tmp); | |
1320 | xfree(tmp); | |
1321 | err = 1; | |
1322 | break; | |
1323 | } | |
1324 | xfree(*pwd); | |
1325 | *pwd = tmp; | |
1326 | break; | |
1327 | case I_LS: | |
1328 | if (!path1) { | |
1329 | do_globbed_ls(conn, *pwd, *pwd, lflag); | |
1330 | break; | |
1331 | } | |
1332 | ||
1333 | /* Strip pwd off beginning of non-absolute paths */ | |
1334 | tmp = NULL; | |
1335 | if (*path1 != '/') | |
1336 | tmp = *pwd; | |
1337 | ||
1338 | path1 = make_absolute(path1, *pwd); | |
1339 | err = do_globbed_ls(conn, path1, tmp, lflag); | |
1340 | break; | |
360b43ab | 1341 | case I_DF: |
1342 | /* Default to current directory if no path specified */ | |
1343 | if (path1 == NULL) | |
1344 | path1 = xstrdup(*pwd); | |
1345 | path1 = make_absolute(path1, *pwd); | |
1346 | err = do_df(conn, path1, hflag, iflag); | |
1347 | break; | |
2cda7d6b | 1348 | case I_LCHDIR: |
1349 | if (chdir(path1) == -1) { | |
1350 | error("Couldn't change local directory to " | |
1351 | "\"%s\": %s", path1, strerror(errno)); | |
1352 | err = 1; | |
1353 | } | |
1354 | break; | |
1355 | case I_LMKDIR: | |
1356 | if (mkdir(path1, 0777) == -1) { | |
1357 | error("Couldn't create local directory " | |
1358 | "\"%s\": %s", path1, strerror(errno)); | |
1359 | err = 1; | |
1360 | } | |
1361 | break; | |
1362 | case I_LLS: | |
1363 | local_do_ls(cmd); | |
1364 | break; | |
1365 | case I_SHELL: | |
1366 | local_do_shell(cmd); | |
1367 | break; | |
1368 | case I_LUMASK: | |
1369 | umask(n_arg); | |
1370 | printf("Local umask: %03lo\n", n_arg); | |
1371 | break; | |
1372 | case I_CHMOD: | |
1373 | path1 = make_absolute(path1, *pwd); | |
1374 | attrib_clear(&a); | |
1375 | a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
1376 | a.perm = n_arg; | |
1377 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1378 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1379 | printf("Changing mode on %s\n", g.gl_pathv[i]); |
1380 | err = do_setstat(conn, g.gl_pathv[i], &a); | |
1381 | if (err != 0 && err_abort) | |
1382 | break; | |
1383 | } | |
1384 | break; | |
1385 | case I_CHOWN: | |
1386 | case I_CHGRP: | |
1387 | path1 = make_absolute(path1, *pwd); | |
1388 | remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); | |
0e5de6f8 | 1389 | for (i = 0; g.gl_pathv[i] && !interrupted; i++) { |
2cda7d6b | 1390 | if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { |
ddb5e00f | 1391 | if (err_abort) { |
1392 | err = -1; | |
2cda7d6b | 1393 | break; |
ddb5e00f | 1394 | } else |
2cda7d6b | 1395 | continue; |
1396 | } | |
1397 | if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { | |
1398 | error("Can't get current ownership of " | |
1399 | "remote file \"%s\"", g.gl_pathv[i]); | |
ddb5e00f | 1400 | if (err_abort) { |
1401 | err = -1; | |
2cda7d6b | 1402 | break; |
ddb5e00f | 1403 | } else |
2cda7d6b | 1404 | continue; |
1405 | } | |
1406 | aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; | |
1407 | if (cmdnum == I_CHOWN) { | |
1408 | printf("Changing owner on %s\n", g.gl_pathv[i]); | |
1409 | aa->uid = n_arg; | |
1410 | } else { | |
1411 | printf("Changing group on %s\n", g.gl_pathv[i]); | |
1412 | aa->gid = n_arg; | |
1413 | } | |
1414 | err = do_setstat(conn, g.gl_pathv[i], aa); | |
1415 | if (err != 0 && err_abort) | |
1416 | break; | |
1417 | } | |
1418 | break; | |
1419 | case I_PWD: | |
1420 | printf("Remote working directory: %s\n", *pwd); | |
1421 | break; | |
1422 | case I_LPWD: | |
1423 | if (!getcwd(path_buf, sizeof(path_buf))) { | |
1424 | error("Couldn't get local cwd: %s", strerror(errno)); | |
1425 | err = -1; | |
1426 | break; | |
1427 | } | |
1428 | printf("Local working directory: %s\n", path_buf); | |
1429 | break; | |
1430 | case I_QUIT: | |
1431 | /* Processed below */ | |
1432 | break; | |
1433 | case I_HELP: | |
1434 | help(); | |
1435 | break; | |
1436 | case I_VERSION: | |
1437 | printf("SFTP protocol version %u\n", sftp_proto_version(conn)); | |
1438 | break; | |
1439 | case I_PROGRESS: | |
1440 | showprogress = !showprogress; | |
1441 | if (showprogress) | |
1442 | printf("Progress meter enabled\n"); | |
1443 | else | |
1444 | printf("Progress meter disabled\n"); | |
1445 | break; | |
1446 | default: | |
1447 | fatal("%d is not implemented", cmdnum); | |
1448 | } | |
1449 | ||
1450 | if (g.gl_pathc) | |
1451 | globfree(&g); | |
1452 | if (path1) | |
1453 | xfree(path1); | |
1454 | if (path2) | |
1455 | xfree(path2); | |
1456 | ||
1457 | /* If an unignored error occurs in batch mode we should abort. */ | |
1458 | if (err_abort && err != 0) | |
1459 | return (-1); | |
1460 | else if (cmdnum == I_QUIT) | |
1461 | return (1); | |
1462 | ||
1463 | return (0); | |
1464 | } | |
1465 | ||
5132eac0 | 1466 | #ifdef USE_LIBEDIT |
1467 | static char * | |
1468 | prompt(EditLine *el) | |
1469 | { | |
1470 | return ("sftp> "); | |
1471 | } | |
1472 | #endif | |
1473 | ||
2cda7d6b | 1474 | int |
1475 | interactive_loop(int fd_in, int fd_out, char *file1, char *file2) | |
1476 | { | |
1477 | char *pwd; | |
1478 | char *dir = NULL; | |
1479 | char cmd[2048]; | |
1480 | struct sftp_conn *conn; | |
0aa1cc4b | 1481 | int err, interactive; |
5132eac0 | 1482 | EditLine *el = NULL; |
1483 | #ifdef USE_LIBEDIT | |
1484 | History *hl = NULL; | |
1485 | HistEvent hev; | |
1486 | extern char *__progname; | |
1487 | ||
1488 | if (!batchmode && isatty(STDIN_FILENO)) { | |
1489 | if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL) | |
1490 | fatal("Couldn't initialise editline"); | |
1491 | if ((hl = history_init()) == NULL) | |
1492 | fatal("Couldn't initialise editline history"); | |
1493 | history(hl, &hev, H_SETSIZE, 100); | |
1494 | el_set(el, EL_HIST, history, hl); | |
1495 | ||
1496 | el_set(el, EL_PROMPT, prompt); | |
1497 | el_set(el, EL_EDITOR, "emacs"); | |
1498 | el_set(el, EL_TERMINAL, NULL); | |
1499 | el_set(el, EL_SIGNAL, 1); | |
1500 | el_source(el, NULL); | |
1501 | } | |
1502 | #endif /* USE_LIBEDIT */ | |
2cda7d6b | 1503 | |
1504 | conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); | |
1505 | if (conn == NULL) | |
1506 | fatal("Couldn't initialise connection to server"); | |
1507 | ||
1508 | pwd = do_realpath(conn, "."); | |
1509 | if (pwd == NULL) | |
1510 | fatal("Need cwd"); | |
1511 | ||
1512 | if (file1 != NULL) { | |
1513 | dir = xstrdup(file1); | |
1514 | dir = make_absolute(dir, pwd); | |
1515 | ||
1516 | if (remote_is_dir(conn, dir) && file2 == NULL) { | |
1517 | printf("Changing to: %s\n", dir); | |
1518 | snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); | |
aa41be57 | 1519 | if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) { |
1520 | xfree(dir); | |
1521 | xfree(pwd); | |
e6a3cfb5 | 1522 | xfree(conn); |
2cda7d6b | 1523 | return (-1); |
aa41be57 | 1524 | } |
2cda7d6b | 1525 | } else { |
1526 | if (file2 == NULL) | |
1527 | snprintf(cmd, sizeof cmd, "get %s", dir); | |
1528 | else | |
1529 | snprintf(cmd, sizeof cmd, "get %s %s", dir, | |
1530 | file2); | |
1531 | ||
1532 | err = parse_dispatch_command(conn, cmd, &pwd, 1); | |
1533 | xfree(dir); | |
1534 | xfree(pwd); | |
e6a3cfb5 | 1535 | xfree(conn); |
2cda7d6b | 1536 | return (err); |
1537 | } | |
1538 | xfree(dir); | |
1539 | } | |
1540 | ||
157b6700 | 1541 | #if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF) |
2cda7d6b | 1542 | setvbuf(stdout, NULL, _IOLBF, 0); |
1543 | setvbuf(infile, NULL, _IOLBF, 0); | |
1544 | #else | |
ed9e8be3 | 1545 | setlinebuf(stdout); |
1546 | setlinebuf(infile); | |
2cda7d6b | 1547 | #endif |
1548 | ||
0aa1cc4b | 1549 | interactive = !batchmode && isatty(STDIN_FILENO); |
2cda7d6b | 1550 | err = 0; |
1551 | for (;;) { | |
1552 | char *cp; | |
1553 | ||
0e5de6f8 | 1554 | signal(SIGINT, SIG_IGN); |
1555 | ||
5132eac0 | 1556 | if (el == NULL) { |
0aa1cc4b | 1557 | if (interactive) |
1558 | printf("sftp> "); | |
5132eac0 | 1559 | if (fgets(cmd, sizeof(cmd), infile) == NULL) { |
0aa1cc4b | 1560 | if (interactive) |
1561 | printf("\n"); | |
5132eac0 | 1562 | break; |
1563 | } | |
0aa1cc4b | 1564 | if (!interactive) { /* Echo command */ |
1565 | printf("sftp> %s", cmd); | |
1566 | if (strlen(cmd) > 0 && | |
1567 | cmd[strlen(cmd) - 1] != '\n') | |
1568 | printf("\n"); | |
1569 | } | |
5132eac0 | 1570 | } else { |
1571 | #ifdef USE_LIBEDIT | |
1572 | const char *line; | |
1573 | int count = 0; | |
2cda7d6b | 1574 | |
0aa1cc4b | 1575 | if ((line = el_gets(el, &count)) == NULL || count <= 0) { |
1576 | printf("\n"); | |
1577 | break; | |
1578 | } | |
5132eac0 | 1579 | history(hl, &hev, H_ENTER, line); |
1580 | if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) { | |
1581 | fprintf(stderr, "Error: input line too long\n"); | |
1582 | continue; | |
1583 | } | |
1584 | #endif /* USE_LIBEDIT */ | |
2cda7d6b | 1585 | } |
1586 | ||
2cda7d6b | 1587 | cp = strrchr(cmd, '\n'); |
1588 | if (cp) | |
1589 | *cp = '\0'; | |
1590 | ||
0e5de6f8 | 1591 | /* Handle user interrupts gracefully during commands */ |
1592 | interrupted = 0; | |
1593 | signal(SIGINT, cmd_interrupt); | |
1594 | ||
2cda7d6b | 1595 | err = parse_dispatch_command(conn, cmd, &pwd, batchmode); |
1596 | if (err != 0) | |
1597 | break; | |
1598 | } | |
1599 | xfree(pwd); | |
e6a3cfb5 | 1600 | xfree(conn); |
2cda7d6b | 1601 | |
a345f787 | 1602 | #ifdef USE_LIBEDIT |
0aa1cc4b | 1603 | if (el != NULL) |
1604 | el_end(el); | |
a345f787 | 1605 | #endif /* USE_LIBEDIT */ |
0aa1cc4b | 1606 | |
2cda7d6b | 1607 | /* err == 1 signifies normal "quit" exit */ |
1608 | return (err >= 0 ? 0 : -1); | |
1609 | } | |
b65c3807 | 1610 | |
1b558925 | 1611 | static void |
1612 | connect_to_server(char *path, char **args, int *in, int *out) | |
61e96248 | 1613 | { |
1614 | int c_in, c_out; | |
9906a836 | 1615 | |
61e96248 | 1616 | #ifdef USE_PIPES |
1617 | int pin[2], pout[2]; | |
9906a836 | 1618 | |
61e96248 | 1619 | if ((pipe(pin) == -1) || (pipe(pout) == -1)) |
1620 | fatal("pipe: %s", strerror(errno)); | |
1621 | *in = pin[0]; | |
1622 | *out = pout[1]; | |
1623 | c_in = pout[0]; | |
1624 | c_out = pin[1]; | |
1625 | #else /* USE_PIPES */ | |
1626 | int inout[2]; | |
9906a836 | 1627 | |
61e96248 | 1628 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1) |
1629 | fatal("socketpair: %s", strerror(errno)); | |
1630 | *in = *out = inout[0]; | |
1631 | c_in = c_out = inout[1]; | |
1632 | #endif /* USE_PIPES */ | |
1633 | ||
1b558925 | 1634 | if ((sshpid = fork()) == -1) |
61e96248 | 1635 | fatal("fork: %s", strerror(errno)); |
1b558925 | 1636 | else if (sshpid == 0) { |
61e96248 | 1637 | if ((dup2(c_in, STDIN_FILENO) == -1) || |
1638 | (dup2(c_out, STDOUT_FILENO) == -1)) { | |
1639 | fprintf(stderr, "dup2: %s\n", strerror(errno)); | |
8dbffee9 | 1640 | _exit(1); |
61e96248 | 1641 | } |
1642 | close(*in); | |
1643 | close(*out); | |
1644 | close(c_in); | |
1645 | close(c_out); | |
0e5de6f8 | 1646 | |
1647 | /* | |
1648 | * The underlying ssh is in the same process group, so we must | |
f2107e97 | 1649 | * ignore SIGINT if we want to gracefully abort commands, |
1650 | * otherwise the signal will make it to the ssh process and | |
0e5de6f8 | 1651 | * kill it too |
1652 | */ | |
1653 | signal(SIGINT, SIG_IGN); | |
35e49915 | 1654 | execvp(path, args); |
a96fd7c2 | 1655 | fprintf(stderr, "exec: %s: %s\n", path, strerror(errno)); |
8dbffee9 | 1656 | _exit(1); |
61e96248 | 1657 | } |
1658 | ||
1b558925 | 1659 | signal(SIGTERM, killchild); |
1660 | signal(SIGINT, killchild); | |
1661 | signal(SIGHUP, killchild); | |
61e96248 | 1662 | close(c_in); |
1663 | close(c_out); | |
1664 | } | |
1665 | ||
396c147e | 1666 | static void |
61e96248 | 1667 | usage(void) |
1668 | { | |
22be05a5 | 1669 | extern char *__progname; |
762715ce | 1670 | |
f1278af7 | 1671 | fprintf(stderr, |
d141f964 | 1672 | "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n" |
5aa0f160 | 1673 | " [-D sftp_server_path] [-F ssh_config] " |
1674 | "[-i identity_file]\n" | |
1675 | " [-o ssh_option] [-P port] [-R num_requests] " | |
1676 | "[-S program]\n" | |
3496b8d4 | 1677 | " [-s subsystem | sftp_server] host\n" |
83cd8c39 | 1678 | " %s [user@]host[:file ...]\n" |
1679 | " %s [user@]host[:dir[/]]\n" | |
3496b8d4 | 1680 | " %s -b batchfile [user@]host\n", |
1681 | __progname, __progname, __progname, __progname); | |
61e96248 | 1682 | exit(1); |
1683 | } | |
1684 | ||
2b87da3b | 1685 | int |
61e96248 | 1686 | main(int argc, char **argv) |
1687 | { | |
9a36208d | 1688 | int in, out, ch, err; |
6e007f08 | 1689 | char *host, *userhost, *cp, *file2 = NULL; |
8a624ebf | 1690 | int debug_level = 0, sshver = 2; |
1691 | char *file1 = NULL, *sftp_server = NULL; | |
a96fd7c2 | 1692 | char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL; |
8a624ebf | 1693 | LogLevel ll = SYSLOG_LEVEL_INFO; |
1694 | arglist args; | |
0426a3b4 | 1695 | extern int optind; |
1696 | extern char *optarg; | |
61e96248 | 1697 | |
fd6168c1 | 1698 | /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ |
1699 | sanitise_stdfd(); | |
1700 | ||
fda04d7d | 1701 | __progname = ssh_get_progname(argv[0]); |
4116f5c0 | 1702 | memset(&args, '\0', sizeof(args)); |
8a624ebf | 1703 | args.list = NULL; |
e56b07ea | 1704 | addargs(&args, "%s", ssh_program); |
8a624ebf | 1705 | addargs(&args, "-oForwardX11 no"); |
1706 | addargs(&args, "-oForwardAgent no"); | |
d20f3c9e | 1707 | addargs(&args, "-oPermitLocalCommand no"); |
e1c5bfaf | 1708 | addargs(&args, "-oClearAllForwardings yes"); |
ac414e17 | 1709 | |
8a624ebf | 1710 | ll = SYSLOG_LEVEL_INFO; |
ac414e17 | 1711 | infile = stdin; |
0426a3b4 | 1712 | |
97658f13 | 1713 | while ((ch = getopt(argc, argv, |
d141f964 | 1714 | "1246hqrvCc:D:i:o:s:S:b:B:F:P:R:")) != -1) { |
0426a3b4 | 1715 | switch (ch) { |
3496b8d4 | 1716 | /* Passed through to ssh(1) */ |
1717 | case '4': | |
1718 | case '6': | |
0426a3b4 | 1719 | case 'C': |
3496b8d4 | 1720 | addargs(&args, "-%c", ch); |
1721 | break; | |
1722 | /* Passed through to ssh(1) with argument */ | |
1723 | case 'F': | |
1724 | case 'c': | |
1725 | case 'i': | |
1726 | case 'o': | |
1727 | addargs(&args, "-%c%s", ch, optarg); | |
1728 | break; | |
1729 | case 'q': | |
1730 | showprogress = 0; | |
1731 | addargs(&args, "-%c", ch); | |
0426a3b4 | 1732 | break; |
97658f13 | 1733 | case 'P': |
1734 | addargs(&args, "-oPort %s", optarg); | |
1735 | break; | |
0426a3b4 | 1736 | case 'v': |
8a624ebf | 1737 | if (debug_level < 3) { |
1738 | addargs(&args, "-v"); | |
1739 | ll = SYSLOG_LEVEL_DEBUG1 + debug_level; | |
1740 | } | |
1741 | debug_level++; | |
0426a3b4 | 1742 | break; |
0426a3b4 | 1743 | case '1': |
8a624ebf | 1744 | sshver = 1; |
0426a3b4 | 1745 | if (sftp_server == NULL) |
1746 | sftp_server = _PATH_SFTP_SERVER; | |
1747 | break; | |
3496b8d4 | 1748 | case '2': |
1749 | sshver = 2; | |
0426a3b4 | 1750 | break; |
3496b8d4 | 1751 | case 'B': |
1752 | copy_buffer_len = strtol(optarg, &cp, 10); | |
1753 | if (copy_buffer_len == 0 || *cp != '\0') | |
1754 | fatal("Invalid buffer size \"%s\"", optarg); | |
0426a3b4 | 1755 | break; |
a5ec8a3d | 1756 | case 'b': |
a8b64bb8 | 1757 | if (batchmode) |
1758 | fatal("Batch file already specified."); | |
1759 | ||
1760 | /* Allow "-" as stdin */ | |
f2107e97 | 1761 | if (strcmp(optarg, "-") != 0 && |
4e2e5cfd | 1762 | (infile = fopen(optarg, "r")) == NULL) |
a8b64bb8 | 1763 | fatal("%s (%s).", strerror(errno), optarg); |
b65c3807 | 1764 | showprogress = 0; |
a8b64bb8 | 1765 | batchmode = 1; |
0b73a454 | 1766 | addargs(&args, "-obatchmode yes"); |
a5ec8a3d | 1767 | break; |
d141f964 | 1768 | case 'p': |
1769 | global_pflag = 1; | |
1770 | break; | |
97658f13 | 1771 | case 'D': |
a96fd7c2 | 1772 | sftp_direct = optarg; |
1773 | break; | |
d141f964 | 1774 | case 'r': |
1775 | global_rflag = 1; | |
1776 | break; | |
c25d3df7 | 1777 | case 'R': |
1778 | num_requests = strtol(optarg, &cp, 10); | |
1779 | if (num_requests == 0 || *cp != '\0') | |
762715ce | 1780 | fatal("Invalid number of requests \"%s\"", |
c25d3df7 | 1781 | optarg); |
1782 | break; | |
3496b8d4 | 1783 | case 's': |
1784 | sftp_server = optarg; | |
1785 | break; | |
1786 | case 'S': | |
1787 | ssh_program = optarg; | |
1788 | replacearg(&args, 0, "%s", ssh_program); | |
1789 | break; | |
0426a3b4 | 1790 | case 'h': |
1791 | default: | |
61e96248 | 1792 | usage(); |
1793 | } | |
1794 | } | |
1795 | ||
06abcf97 | 1796 | if (!isatty(STDERR_FILENO)) |
1797 | showprogress = 0; | |
1798 | ||
b69145c2 | 1799 | log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1); |
1800 | ||
a96fd7c2 | 1801 | if (sftp_direct == NULL) { |
1802 | if (optind == argc || argc > (optind + 2)) | |
1803 | usage(); | |
61e96248 | 1804 | |
a96fd7c2 | 1805 | userhost = xstrdup(argv[optind]); |
1806 | file2 = argv[optind+1]; | |
edeeab1e | 1807 | |
15748b4d | 1808 | if ((host = strrchr(userhost, '@')) == NULL) |
a96fd7c2 | 1809 | host = userhost; |
1810 | else { | |
1811 | *host++ = '\0'; | |
1812 | if (!userhost[0]) { | |
1813 | fprintf(stderr, "Missing username\n"); | |
1814 | usage(); | |
1815 | } | |
4f6e2ba9 | 1816 | addargs(&args, "-l%s", userhost); |
61e96248 | 1817 | } |
61e96248 | 1818 | |
02de7c6e | 1819 | if ((cp = colon(host)) != NULL) { |
1820 | *cp++ = '\0'; | |
1821 | file1 = cp; | |
1822 | } | |
1823 | ||
a96fd7c2 | 1824 | host = cleanhostname(host); |
1825 | if (!*host) { | |
1826 | fprintf(stderr, "Missing hostname\n"); | |
1827 | usage(); | |
1828 | } | |
61e96248 | 1829 | |
a96fd7c2 | 1830 | addargs(&args, "-oProtocol %d", sshver); |
8a624ebf | 1831 | |
a96fd7c2 | 1832 | /* no subsystem if the server-spec contains a '/' */ |
1833 | if (sftp_server == NULL || strchr(sftp_server, '/') == NULL) | |
1834 | addargs(&args, "-s"); | |
61e96248 | 1835 | |
a96fd7c2 | 1836 | addargs(&args, "%s", host); |
762715ce | 1837 | addargs(&args, "%s", (sftp_server != NULL ? |
a96fd7c2 | 1838 | sftp_server : "sftp")); |
61e96248 | 1839 | |
a8b64bb8 | 1840 | if (!batchmode) |
1841 | fprintf(stderr, "Connecting to %s...\n", host); | |
1b558925 | 1842 | connect_to_server(ssh_program, args.list, &in, &out); |
a96fd7c2 | 1843 | } else { |
1844 | args.list = NULL; | |
1845 | addargs(&args, "sftp-server"); | |
61e96248 | 1846 | |
a8b64bb8 | 1847 | if (!batchmode) |
1848 | fprintf(stderr, "Attaching to %s...\n", sftp_direct); | |
1b558925 | 1849 | connect_to_server(sftp_direct, args.list, &in, &out); |
a96fd7c2 | 1850 | } |
4116f5c0 | 1851 | freeargs(&args); |
61e96248 | 1852 | |
9a36208d | 1853 | err = interactive_loop(in, out, file1, file2); |
61e96248 | 1854 | |
51fb577a | 1855 | #if !defined(USE_PIPES) |
ed9e8be3 | 1856 | shutdown(in, SHUT_RDWR); |
1857 | shutdown(out, SHUT_RDWR); | |
51fb577a | 1858 | #endif |
1859 | ||
61e96248 | 1860 | close(in); |
1861 | close(out); | |
a8b64bb8 | 1862 | if (batchmode) |
a5ec8a3d | 1863 | fclose(infile); |
61e96248 | 1864 | |
8c38e88b | 1865 | while (waitpid(sshpid, NULL, 0) == -1) |
1866 | if (errno != EINTR) | |
1867 | fatal("Couldn't wait for ssh process: %s", | |
1868 | strerror(errno)); | |
61e96248 | 1869 | |
9a36208d | 1870 | exit(err == 0 ? 0 : 1); |
61e96248 | 1871 | } |