blob: 194d22710e1226616090abb68797e974c9ed4218 [file] [log] [blame]
Damien Miller33804262001-02-04 23:20:18 +11001/*
Damien Miller4e60ed72004-02-17 17:07:59 +11002 * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
Damien Miller33804262001-02-04 23:20:18 +11003 *
Damien Miller4e60ed72004-02-17 17:07:59 +11004 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
Damien Miller33804262001-02-04 23:20:18 +11007 *
Damien Miller4e60ed72004-02-17 17:07:59 +11008 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
Damien Miller33804262001-02-04 23:20:18 +110015 */
16
17#include "includes.h"
18
Damien Miller9cf6d072006-03-15 11:29:24 +110019#include <sys/types.h>
Damien Millerf17883e2006-03-15 11:45:54 +110020#ifdef HAVE_SYS_STAT_H
21# include <sys/stat.h>
22#endif
23#include <sys/ioctl.h>
Damien Miller9cf6d072006-03-15 11:29:24 +110024#include <sys/wait.h>
Darren Tucker2d963d82004-11-07 20:04:10 +110025
Damien Miller03e20032006-03-15 11:16:59 +110026#ifdef HAVE_PATHS_H
Damien Millera9263d02006-03-15 11:18:26 +110027# include <paths.h>
Damien Miller03e20032006-03-15 11:16:59 +110028#endif
Darren Tucker2d963d82004-11-07 20:04:10 +110029#ifdef USE_LIBEDIT
30#include <histedit.h>
31#else
32typedef void EditLine;
33#endif
Damien Miller6ff3cad2006-03-15 11:52:09 +110034#include <signal.h>
Damien Miller33804262001-02-04 23:20:18 +110035
36#include "buffer.h"
37#include "xmalloc.h"
38#include "log.h"
39#include "pathnames.h"
Ben Lindstrom4529b702001-05-03 23:39:53 +000040#include "misc.h"
Damien Miller33804262001-02-04 23:20:18 +110041
42#include "sftp.h"
43#include "sftp-common.h"
44#include "sftp-client.h"
Damien Millerd7d46bb2004-02-18 14:11:13 +110045
Damien Miller20e1fab2004-02-18 14:30:55 +110046/* File to read commands from */
47FILE* infile;
48
49/* Are we in batchfile mode? */
50int batchmode = 0;
51
52/* Size of buffer used when copying files */
53size_t copy_buffer_len = 32768;
54
55/* Number of concurrent outstanding requests */
56size_t num_requests = 16;
57
58/* PID of ssh transport process */
59static pid_t sshpid = -1;
60
61/* This is set to 0 if the progressmeter is not desired. */
Damien Millerc0f27d82004-03-08 23:12:19 +110062int showprogress = 1;
Damien Miller20e1fab2004-02-18 14:30:55 +110063
Darren Tuckercdf547a2004-05-24 10:12:19 +100064/* SIGINT received during command processing */
65volatile sig_atomic_t interrupted = 0;
66
Darren Tuckerb9123452004-06-22 13:06:45 +100067/* I wish qsort() took a separate ctx for the comparison function...*/
68int sort_flag;
69
Damien Miller20e1fab2004-02-18 14:30:55 +110070int remote_glob(struct sftp_conn *, const char *, int,
71 int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
Damien Miller33804262001-02-04 23:20:18 +110072
Kevin Steves12888d12001-03-05 19:50:57 +000073extern char *__progname;
Kevin Steves12888d12001-03-05 19:50:57 +000074
Damien Miller20e1fab2004-02-18 14:30:55 +110075/* Separators for interactive commands */
76#define WHITESPACE " \t\r\n"
Damien Millerd7686fd2001-02-10 00:40:03 +110077
Darren Tuckerb9123452004-06-22 13:06:45 +100078/* ls flags */
Darren Tuckera4e9ffa2004-06-22 13:07:58 +100079#define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
80#define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
81#define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
82#define LS_NAME_SORT 0x08 /* Sort by name (default) */
83#define LS_TIME_SORT 0x10 /* Sort by mtime */
84#define LS_SIZE_SORT 0x20 /* Sort by file size */
85#define LS_REVERSE_SORT 0x40 /* Reverse sort order */
Darren Tucker9a526452004-06-22 13:09:55 +100086#define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
Darren Tuckerb9123452004-06-22 13:06:45 +100087
Darren Tuckera4e9ffa2004-06-22 13:07:58 +100088#define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
89#define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
Damien Miller20e1fab2004-02-18 14:30:55 +110090
91/* Commands for interactive mode */
92#define I_CHDIR 1
93#define I_CHGRP 2
94#define I_CHMOD 3
95#define I_CHOWN 4
96#define I_GET 5
97#define I_HELP 6
98#define I_LCHDIR 7
99#define I_LLS 8
100#define I_LMKDIR 9
101#define I_LPWD 10
102#define I_LS 11
103#define I_LUMASK 12
104#define I_MKDIR 13
105#define I_PUT 14
106#define I_PWD 15
107#define I_QUIT 16
108#define I_RENAME 17
109#define I_RM 18
110#define I_RMDIR 19
111#define I_SHELL 20
112#define I_SYMLINK 21
113#define I_VERSION 22
114#define I_PROGRESS 23
115
116struct CMD {
117 const char *c;
118 const int n;
119};
120
121static const struct CMD cmds[] = {
122 { "bye", I_QUIT },
123 { "cd", I_CHDIR },
124 { "chdir", I_CHDIR },
125 { "chgrp", I_CHGRP },
126 { "chmod", I_CHMOD },
127 { "chown", I_CHOWN },
128 { "dir", I_LS },
129 { "exit", I_QUIT },
130 { "get", I_GET },
131 { "mget", I_GET },
132 { "help", I_HELP },
133 { "lcd", I_LCHDIR },
134 { "lchdir", I_LCHDIR },
135 { "lls", I_LLS },
136 { "lmkdir", I_LMKDIR },
137 { "ln", I_SYMLINK },
138 { "lpwd", I_LPWD },
139 { "ls", I_LS },
140 { "lumask", I_LUMASK },
141 { "mkdir", I_MKDIR },
142 { "progress", I_PROGRESS },
143 { "put", I_PUT },
144 { "mput", I_PUT },
145 { "pwd", I_PWD },
146 { "quit", I_QUIT },
147 { "rename", I_RENAME },
148 { "rm", I_RM },
149 { "rmdir", I_RMDIR },
150 { "symlink", I_SYMLINK },
151 { "version", I_VERSION },
152 { "!", I_SHELL },
153 { "?", I_HELP },
154 { NULL, -1}
155};
156
157int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
158
159static void
Darren Tuckercdf547a2004-05-24 10:12:19 +1000160killchild(int signo)
161{
Darren Tuckerba66df82005-01-24 21:57:40 +1100162 if (sshpid > 1) {
Darren Tuckercdf547a2004-05-24 10:12:19 +1000163 kill(sshpid, SIGTERM);
Darren Tuckerba66df82005-01-24 21:57:40 +1100164 waitpid(sshpid, NULL, 0);
165 }
Darren Tuckercdf547a2004-05-24 10:12:19 +1000166
167 _exit(1);
168}
169
170static void
171cmd_interrupt(int signo)
172{
173 const char msg[] = "\rInterrupt \n";
Darren Tuckere2f189a2004-12-06 22:45:53 +1100174 int olderrno = errno;
Darren Tuckercdf547a2004-05-24 10:12:19 +1000175
176 write(STDERR_FILENO, msg, sizeof(msg) - 1);
177 interrupted = 1;
Darren Tuckere2f189a2004-12-06 22:45:53 +1100178 errno = olderrno;
Darren Tuckercdf547a2004-05-24 10:12:19 +1000179}
180
181static void
Damien Miller20e1fab2004-02-18 14:30:55 +1100182help(void)
183{
184 printf("Available commands:\n");
185 printf("cd path Change remote directory to 'path'\n");
186 printf("lcd path Change local directory to 'path'\n");
187 printf("chgrp grp path Change group of file 'path' to 'grp'\n");
188 printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
189 printf("chown own path Change owner of file 'path' to 'own'\n");
190 printf("help Display this help text\n");
191 printf("get remote-path [local-path] Download file\n");
192 printf("lls [ls-options [path]] Display local directory listing\n");
193 printf("ln oldpath newpath Symlink remote file\n");
194 printf("lmkdir path Create local directory\n");
195 printf("lpwd Print local working directory\n");
196 printf("ls [path] Display remote directory listing\n");
197 printf("lumask umask Set local umask to 'umask'\n");
198 printf("mkdir path Create remote directory\n");
199 printf("progress Toggle display of progress meter\n");
200 printf("put local-path [remote-path] Upload file\n");
201 printf("pwd Display remote working directory\n");
202 printf("exit Quit sftp\n");
203 printf("quit Quit sftp\n");
204 printf("rename oldpath newpath Rename remote file\n");
205 printf("rmdir path Remove remote directory\n");
206 printf("rm path Delete remote file\n");
207 printf("symlink oldpath newpath Symlink remote file\n");
208 printf("version Show SFTP version\n");
209 printf("!command Execute 'command' in local shell\n");
210 printf("! Escape to local shell\n");
211 printf("? Synonym for help\n");
212}
213
214static void
215local_do_shell(const char *args)
216{
217 int status;
218 char *shell;
219 pid_t pid;
220
221 if (!*args)
222 args = NULL;
223
224 if ((shell = getenv("SHELL")) == NULL)
225 shell = _PATH_BSHELL;
226
227 if ((pid = fork()) == -1)
228 fatal("Couldn't fork: %s", strerror(errno));
229
230 if (pid == 0) {
231 /* XXX: child has pipe fds to ssh subproc open - issue? */
232 if (args) {
233 debug3("Executing %s -c \"%s\"", shell, args);
234 execl(shell, shell, "-c", args, (char *)NULL);
235 } else {
236 debug3("Executing %s", shell);
237 execl(shell, shell, (char *)NULL);
238 }
239 fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
240 strerror(errno));
241 _exit(1);
242 }
243 while (waitpid(pid, &status, 0) == -1)
244 if (errno != EINTR)
245 fatal("Couldn't wait for child: %s", strerror(errno));
246 if (!WIFEXITED(status))
247 error("Shell exited abormally");
248 else if (WEXITSTATUS(status))
249 error("Shell exited with status %d", WEXITSTATUS(status));
250}
251
252static void
253local_do_ls(const char *args)
254{
255 if (!args || !*args)
256 local_do_shell(_PATH_LS);
257 else {
258 int len = strlen(_PATH_LS " ") + strlen(args) + 1;
259 char *buf = xmalloc(len);
260
261 /* XXX: quoting - rip quoting code from ftp? */
262 snprintf(buf, len, _PATH_LS " %s", args);
263 local_do_shell(buf);
264 xfree(buf);
265 }
266}
267
268/* Strip one path (usually the pwd) from the start of another */
269static char *
270path_strip(char *path, char *strip)
271{
272 size_t len;
273
274 if (strip == NULL)
275 return (xstrdup(path));
276
277 len = strlen(strip);
Darren Tuckere2f189a2004-12-06 22:45:53 +1100278 if (strncmp(path, strip, len) == 0) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100279 if (strip[len - 1] != '/' && path[len] == '/')
280 len++;
281 return (xstrdup(path + len));
282 }
283
284 return (xstrdup(path));
285}
286
287static char *
288path_append(char *p1, char *p2)
289{
290 char *ret;
291 int len = strlen(p1) + strlen(p2) + 2;
292
293 ret = xmalloc(len);
294 strlcpy(ret, p1, len);
295 if (p1[strlen(p1) - 1] != '/')
296 strlcat(ret, "/", len);
297 strlcat(ret, p2, len);
298
299 return(ret);
300}
301
302static char *
303make_absolute(char *p, char *pwd)
304{
Darren Tucker3f9fdc72004-06-22 12:56:01 +1000305 char *abs_str;
Damien Miller20e1fab2004-02-18 14:30:55 +1100306
307 /* Derelativise */
308 if (p && p[0] != '/') {
Darren Tucker3f9fdc72004-06-22 12:56:01 +1000309 abs_str = path_append(pwd, p);
Damien Miller20e1fab2004-02-18 14:30:55 +1100310 xfree(p);
Darren Tucker3f9fdc72004-06-22 12:56:01 +1000311 return(abs_str);
Damien Miller20e1fab2004-02-18 14:30:55 +1100312 } else
313 return(p);
314}
315
316static int
317infer_path(const char *p, char **ifp)
318{
319 char *cp;
320
321 cp = strrchr(p, '/');
322 if (cp == NULL) {
323 *ifp = xstrdup(p);
324 return(0);
325 }
326
327 if (!cp[1]) {
328 error("Invalid path");
329 return(-1);
330 }
331
332 *ifp = xstrdup(cp + 1);
333 return(0);
334}
335
336static int
337parse_getput_flags(const char **cpp, int *pflag)
338{
339 const char *cp = *cpp;
340
341 /* Check for flags */
342 if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
343 switch (cp[1]) {
344 case 'p':
345 case 'P':
346 *pflag = 1;
347 break;
348 default:
349 error("Invalid flag -%c", cp[1]);
350 return(-1);
351 }
352 cp += 2;
353 *cpp = cp + strspn(cp, WHITESPACE);
354 }
355
356 return(0);
357}
358
359static int
360parse_ls_flags(const char **cpp, int *lflag)
361{
362 const char *cp = *cpp;
363
Darren Tuckerb9123452004-06-22 13:06:45 +1000364 /* Defaults */
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000365 *lflag = LS_NAME_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000366
Damien Miller20e1fab2004-02-18 14:30:55 +1100367 /* Check for flags */
368 if (cp++[0] == '-') {
Darren Tucker47eede72005-03-14 23:08:12 +1100369 for (; strchr(WHITESPACE, *cp) == NULL; cp++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100370 switch (*cp) {
371 case 'l':
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000372 *lflag &= ~VIEW_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000373 *lflag |= LS_LONG_VIEW;
Damien Miller20e1fab2004-02-18 14:30:55 +1100374 break;
375 case '1':
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000376 *lflag &= ~VIEW_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000377 *lflag |= LS_SHORT_VIEW;
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000378 break;
379 case 'n':
380 *lflag &= ~VIEW_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000381 *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
Damien Miller20e1fab2004-02-18 14:30:55 +1100382 break;
Darren Tuckerb9123452004-06-22 13:06:45 +1000383 case 'S':
384 *lflag &= ~SORT_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000385 *lflag |= LS_SIZE_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000386 break;
387 case 't':
388 *lflag &= ~SORT_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000389 *lflag |= LS_TIME_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000390 break;
391 case 'r':
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000392 *lflag |= LS_REVERSE_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000393 break;
394 case 'f':
395 *lflag &= ~SORT_FLAGS;
396 break;
Darren Tucker9a526452004-06-22 13:09:55 +1000397 case 'a':
398 *lflag |= LS_SHOW_ALL;
399 break;
Damien Miller20e1fab2004-02-18 14:30:55 +1100400 default:
401 error("Invalid flag -%c", *cp);
402 return(-1);
403 }
404 }
405 *cpp = cp + strspn(cp, WHITESPACE);
406 }
407
408 return(0);
409}
410
411static int
412get_pathname(const char **cpp, char **path)
413{
414 const char *cp = *cpp, *end;
415 char quot;
Damien Millereccb9de2005-06-17 12:59:34 +1000416 u_int i, j;
Damien Miller20e1fab2004-02-18 14:30:55 +1100417
418 cp += strspn(cp, WHITESPACE);
419 if (!*cp) {
420 *cpp = cp;
421 *path = NULL;
422 return (0);
423 }
424
425 *path = xmalloc(strlen(cp) + 1);
426
427 /* Check for quoted filenames */
428 if (*cp == '\"' || *cp == '\'') {
429 quot = *cp++;
430
431 /* Search for terminating quote, unescape some chars */
432 for (i = j = 0; i <= strlen(cp); i++) {
433 if (cp[i] == quot) { /* Found quote */
434 i++;
435 (*path)[j] = '\0';
436 break;
437 }
438 if (cp[i] == '\0') { /* End of string */
439 error("Unterminated quote");
440 goto fail;
441 }
442 if (cp[i] == '\\') { /* Escaped characters */
443 i++;
444 if (cp[i] != '\'' && cp[i] != '\"' &&
445 cp[i] != '\\') {
Damien Miller96d6d7d2004-06-26 09:21:06 +1000446 error("Bad escaped character '\\%c'",
Damien Miller20e1fab2004-02-18 14:30:55 +1100447 cp[i]);
448 goto fail;
449 }
450 }
451 (*path)[j++] = cp[i];
452 }
453
454 if (j == 0) {
455 error("Empty quotes");
456 goto fail;
457 }
458 *cpp = cp + i + strspn(cp + i, WHITESPACE);
459 } else {
460 /* Read to end of filename */
461 end = strpbrk(cp, WHITESPACE);
462 if (end == NULL)
463 end = strchr(cp, '\0');
464 *cpp = end + strspn(end, WHITESPACE);
465
466 memcpy(*path, cp, end - cp);
467 (*path)[end - cp] = '\0';
468 }
469 return (0);
470
471 fail:
472 xfree(*path);
473 *path = NULL;
474 return (-1);
475}
476
477static int
478is_dir(char *path)
479{
480 struct stat sb;
481
482 /* XXX: report errors? */
483 if (stat(path, &sb) == -1)
484 return(0);
485
486 return(sb.st_mode & S_IFDIR);
487}
488
489static int
490is_reg(char *path)
491{
492 struct stat sb;
493
494 if (stat(path, &sb) == -1)
495 fatal("stat %s: %s", path, strerror(errno));
496
497 return(S_ISREG(sb.st_mode));
498}
499
500static int
501remote_is_dir(struct sftp_conn *conn, char *path)
502{
503 Attrib *a;
504
505 /* XXX: report errors? */
506 if ((a = do_stat(conn, path, 1)) == NULL)
507 return(0);
508 if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
509 return(0);
510 return(a->perm & S_IFDIR);
511}
512
513static int
514process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
515{
516 char *abs_src = NULL;
517 char *abs_dst = NULL;
518 char *tmp;
519 glob_t g;
520 int err = 0;
521 int i;
522
523 abs_src = xstrdup(src);
524 abs_src = make_absolute(abs_src, pwd);
525
526 memset(&g, 0, sizeof(g));
527 debug3("Looking up %s", abs_src);
528 if (remote_glob(conn, abs_src, 0, NULL, &g)) {
529 error("File \"%s\" not found.", abs_src);
530 err = -1;
531 goto out;
532 }
533
534 /* If multiple matches, dst must be a directory or unspecified */
535 if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
536 error("Multiple files match, but \"%s\" is not a directory",
537 dst);
538 err = -1;
539 goto out;
540 }
541
Darren Tuckercdf547a2004-05-24 10:12:19 +1000542 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100543 if (infer_path(g.gl_pathv[i], &tmp)) {
544 err = -1;
545 goto out;
546 }
547
548 if (g.gl_matchc == 1 && dst) {
549 /* If directory specified, append filename */
550 if (is_dir(dst)) {
551 if (infer_path(g.gl_pathv[0], &tmp)) {
552 err = 1;
553 goto out;
554 }
555 abs_dst = path_append(dst, tmp);
556 xfree(tmp);
557 } else
558 abs_dst = xstrdup(dst);
559 } else if (dst) {
560 abs_dst = path_append(dst, tmp);
561 xfree(tmp);
562 } else
563 abs_dst = tmp;
564
565 printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
566 if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
567 err = -1;
568 xfree(abs_dst);
569 abs_dst = NULL;
570 }
571
572out:
573 xfree(abs_src);
574 if (abs_dst)
575 xfree(abs_dst);
576 globfree(&g);
577 return(err);
578}
579
580static int
581process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
582{
583 char *tmp_dst = NULL;
584 char *abs_dst = NULL;
585 char *tmp;
586 glob_t g;
587 int err = 0;
588 int i;
589
590 if (dst) {
591 tmp_dst = xstrdup(dst);
592 tmp_dst = make_absolute(tmp_dst, pwd);
593 }
594
595 memset(&g, 0, sizeof(g));
596 debug3("Looking up %s", src);
597 if (glob(src, 0, NULL, &g)) {
598 error("File \"%s\" not found.", src);
599 err = -1;
600 goto out;
601 }
602
603 /* If multiple matches, dst may be directory or unspecified */
604 if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
605 error("Multiple files match, but \"%s\" is not a directory",
606 tmp_dst);
607 err = -1;
608 goto out;
609 }
610
Darren Tuckercdf547a2004-05-24 10:12:19 +1000611 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100612 if (!is_reg(g.gl_pathv[i])) {
613 error("skipping non-regular file %s",
614 g.gl_pathv[i]);
615 continue;
616 }
617 if (infer_path(g.gl_pathv[i], &tmp)) {
618 err = -1;
619 goto out;
620 }
621
622 if (g.gl_matchc == 1 && tmp_dst) {
623 /* If directory specified, append filename */
624 if (remote_is_dir(conn, tmp_dst)) {
625 if (infer_path(g.gl_pathv[0], &tmp)) {
626 err = 1;
627 goto out;
628 }
629 abs_dst = path_append(tmp_dst, tmp);
630 xfree(tmp);
631 } else
632 abs_dst = xstrdup(tmp_dst);
633
634 } else if (tmp_dst) {
635 abs_dst = path_append(tmp_dst, tmp);
636 xfree(tmp);
637 } else
638 abs_dst = make_absolute(tmp, pwd);
639
640 printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
641 if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
642 err = -1;
643 }
644
645out:
646 if (abs_dst)
647 xfree(abs_dst);
648 if (tmp_dst)
649 xfree(tmp_dst);
650 globfree(&g);
651 return(err);
652}
653
654static int
655sdirent_comp(const void *aa, const void *bb)
656{
657 SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
658 SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000659 int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
Damien Miller20e1fab2004-02-18 14:30:55 +1100660
Darren Tuckerb9123452004-06-22 13:06:45 +1000661#define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000662 if (sort_flag & LS_NAME_SORT)
Darren Tuckerb9123452004-06-22 13:06:45 +1000663 return (rmul * strcmp(a->filename, b->filename));
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000664 else if (sort_flag & LS_TIME_SORT)
Darren Tuckerb9123452004-06-22 13:06:45 +1000665 return (rmul * NCMP(a->a.mtime, b->a.mtime));
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000666 else if (sort_flag & LS_SIZE_SORT)
Darren Tuckerb9123452004-06-22 13:06:45 +1000667 return (rmul * NCMP(a->a.size, b->a.size));
668
669 fatal("Unknown ls sort type");
Damien Miller20e1fab2004-02-18 14:30:55 +1100670}
671
672/* sftp ls.1 replacement for directories */
673static int
674do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
675{
Damien Millereccb9de2005-06-17 12:59:34 +1000676 int n;
677 u_int c = 1, colspace = 0, columns = 1;
Damien Miller20e1fab2004-02-18 14:30:55 +1100678 SFTP_DIRENT **d;
679
680 if ((n = do_readdir(conn, path, &d)) != 0)
681 return (n);
682
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000683 if (!(lflag & LS_SHORT_VIEW)) {
Damien Millereccb9de2005-06-17 12:59:34 +1000684 u_int m = 0, width = 80;
Damien Miller20e1fab2004-02-18 14:30:55 +1100685 struct winsize ws;
686 char *tmp;
687
688 /* Count entries for sort and find longest filename */
Darren Tucker9a526452004-06-22 13:09:55 +1000689 for (n = 0; d[n] != NULL; n++) {
690 if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
691 m = MAX(m, strlen(d[n]->filename));
692 }
Damien Miller20e1fab2004-02-18 14:30:55 +1100693
694 /* Add any subpath that also needs to be counted */
695 tmp = path_strip(path, strip_path);
696 m += strlen(tmp);
697 xfree(tmp);
698
699 if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
700 width = ws.ws_col;
701
702 columns = width / (m + 2);
703 columns = MAX(columns, 1);
704 colspace = width / columns;
705 colspace = MIN(colspace, width);
706 }
707
Darren Tuckerb9123452004-06-22 13:06:45 +1000708 if (lflag & SORT_FLAGS) {
Damien Miller653b93b2005-11-05 15:15:23 +1100709 for (n = 0; d[n] != NULL; n++)
710 ; /* count entries */
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000711 sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
Darren Tuckerb9123452004-06-22 13:06:45 +1000712 qsort(d, n, sizeof(*d), sdirent_comp);
713 }
Damien Miller20e1fab2004-02-18 14:30:55 +1100714
Darren Tuckercdf547a2004-05-24 10:12:19 +1000715 for (n = 0; d[n] != NULL && !interrupted; n++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100716 char *tmp, *fname;
717
Darren Tucker9a526452004-06-22 13:09:55 +1000718 if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
719 continue;
720
Damien Miller20e1fab2004-02-18 14:30:55 +1100721 tmp = path_append(path, d[n]->filename);
722 fname = path_strip(tmp, strip_path);
723 xfree(tmp);
724
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000725 if (lflag & LS_LONG_VIEW) {
726 if (lflag & LS_NUMERIC_VIEW) {
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000727 char *lname;
728 struct stat sb;
Damien Miller20e1fab2004-02-18 14:30:55 +1100729
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000730 memset(&sb, 0, sizeof(sb));
731 attrib_to_stat(&d[n]->a, &sb);
732 lname = ls_file(fname, &sb, 1);
733 printf("%s\n", lname);
734 xfree(lname);
735 } else
736 printf("%s\n", d[n]->longname);
Damien Miller20e1fab2004-02-18 14:30:55 +1100737 } else {
738 printf("%-*s", colspace, fname);
739 if (c >= columns) {
740 printf("\n");
741 c = 1;
742 } else
743 c++;
744 }
745
746 xfree(fname);
747 }
748
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000749 if (!(lflag & LS_LONG_VIEW) && (c != 1))
Damien Miller20e1fab2004-02-18 14:30:55 +1100750 printf("\n");
751
752 free_sftp_dirents(d);
753 return (0);
754}
755
756/* sftp ls.1 replacement which handles path globs */
757static int
758do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
759 int lflag)
760{
761 glob_t g;
Damien Millereccb9de2005-06-17 12:59:34 +1000762 u_int i, c = 1, colspace = 0, columns = 1;
Darren Tucker596dcfa2004-12-11 13:37:22 +1100763 Attrib *a = NULL;
Damien Miller20e1fab2004-02-18 14:30:55 +1100764
765 memset(&g, 0, sizeof(g));
766
767 if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
Darren Tucker596dcfa2004-12-11 13:37:22 +1100768 NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
769 if (g.gl_pathc)
770 globfree(&g);
Damien Miller20e1fab2004-02-18 14:30:55 +1100771 error("Can't ls: \"%s\" not found", path);
772 return (-1);
773 }
774
Darren Tuckercdf547a2004-05-24 10:12:19 +1000775 if (interrupted)
776 goto out;
777
Damien Miller20e1fab2004-02-18 14:30:55 +1100778 /*
Darren Tucker596dcfa2004-12-11 13:37:22 +1100779 * If the glob returns a single match and it is a directory,
780 * then just list its contents.
Damien Miller20e1fab2004-02-18 14:30:55 +1100781 */
Darren Tucker596dcfa2004-12-11 13:37:22 +1100782 if (g.gl_matchc == 1) {
783 if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100784 globfree(&g);
785 return (-1);
786 }
787 if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
788 S_ISDIR(a->perm)) {
Darren Tucker596dcfa2004-12-11 13:37:22 +1100789 int err;
790
791 err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
Damien Miller20e1fab2004-02-18 14:30:55 +1100792 globfree(&g);
Darren Tucker596dcfa2004-12-11 13:37:22 +1100793 return (err);
Damien Miller20e1fab2004-02-18 14:30:55 +1100794 }
795 }
796
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000797 if (!(lflag & LS_SHORT_VIEW)) {
Damien Millereccb9de2005-06-17 12:59:34 +1000798 u_int m = 0, width = 80;
Damien Miller20e1fab2004-02-18 14:30:55 +1100799 struct winsize ws;
800
801 /* Count entries for sort and find longest filename */
802 for (i = 0; g.gl_pathv[i]; i++)
803 m = MAX(m, strlen(g.gl_pathv[i]));
804
805 if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
806 width = ws.ws_col;
807
808 columns = width / (m + 2);
809 columns = MAX(columns, 1);
810 colspace = width / columns;
811 }
812
Darren Tucker596dcfa2004-12-11 13:37:22 +1100813 for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100814 char *fname;
815
816 fname = path_strip(g.gl_pathv[i], strip_path);
817
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000818 if (lflag & LS_LONG_VIEW) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100819 char *lname;
820 struct stat sb;
821
822 /*
823 * XXX: this is slow - 1 roundtrip per path
824 * A solution to this is to fork glob() and
825 * build a sftp specific version which keeps the
826 * attribs (which currently get thrown away)
827 * that the server returns as well as the filenames.
828 */
829 memset(&sb, 0, sizeof(sb));
Darren Tucker596dcfa2004-12-11 13:37:22 +1100830 if (a == NULL)
831 a = do_lstat(conn, g.gl_pathv[i], 1);
Damien Miller20e1fab2004-02-18 14:30:55 +1100832 if (a != NULL)
833 attrib_to_stat(a, &sb);
834 lname = ls_file(fname, &sb, 1);
835 printf("%s\n", lname);
836 xfree(lname);
837 } else {
838 printf("%-*s", colspace, fname);
839 if (c >= columns) {
840 printf("\n");
841 c = 1;
842 } else
843 c++;
844 }
845 xfree(fname);
846 }
847
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000848 if (!(lflag & LS_LONG_VIEW) && (c != 1))
Damien Miller20e1fab2004-02-18 14:30:55 +1100849 printf("\n");
850
Darren Tuckercdf547a2004-05-24 10:12:19 +1000851 out:
Damien Miller20e1fab2004-02-18 14:30:55 +1100852 if (g.gl_pathc)
853 globfree(&g);
854
855 return (0);
856}
857
858static int
859parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
860 unsigned long *n_arg, char **path1, char **path2)
861{
862 const char *cmd, *cp = *cpp;
863 char *cp2;
864 int base = 0;
865 long l;
866 int i, cmdnum;
867
868 /* Skip leading whitespace */
869 cp = cp + strspn(cp, WHITESPACE);
870
871 /* Ignore blank lines and lines which begin with comment '#' char */
872 if (*cp == '\0' || *cp == '#')
873 return (0);
874
875 /* Check for leading '-' (disable error processing) */
876 *iflag = 0;
877 if (*cp == '-') {
878 *iflag = 1;
879 cp++;
880 }
881
882 /* Figure out which command we have */
883 for (i = 0; cmds[i].c; i++) {
884 int cmdlen = strlen(cmds[i].c);
885
886 /* Check for command followed by whitespace */
887 if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
888 strchr(WHITESPACE, cp[cmdlen])) {
889 cp += cmdlen;
890 cp = cp + strspn(cp, WHITESPACE);
891 break;
892 }
893 }
894 cmdnum = cmds[i].n;
895 cmd = cmds[i].c;
896
897 /* Special case */
898 if (*cp == '!') {
899 cp++;
900 cmdnum = I_SHELL;
901 } else if (cmdnum == -1) {
902 error("Invalid command.");
903 return (-1);
904 }
905
906 /* Get arguments and parse flags */
907 *lflag = *pflag = *n_arg = 0;
908 *path1 = *path2 = NULL;
909 switch (cmdnum) {
910 case I_GET:
911 case I_PUT:
912 if (parse_getput_flags(&cp, pflag))
913 return(-1);
914 /* Get first pathname (mandatory) */
915 if (get_pathname(&cp, path1))
916 return(-1);
917 if (*path1 == NULL) {
918 error("You must specify at least one path after a "
919 "%s command.", cmd);
920 return(-1);
921 }
922 /* Try to get second pathname (optional) */
923 if (get_pathname(&cp, path2))
924 return(-1);
925 break;
926 case I_RENAME:
927 case I_SYMLINK:
928 if (get_pathname(&cp, path1))
929 return(-1);
930 if (get_pathname(&cp, path2))
931 return(-1);
932 if (!*path1 || !*path2) {
933 error("You must specify two paths after a %s "
934 "command.", cmd);
935 return(-1);
936 }
937 break;
938 case I_RM:
939 case I_MKDIR:
940 case I_RMDIR:
941 case I_CHDIR:
942 case I_LCHDIR:
943 case I_LMKDIR:
944 /* Get pathname (mandatory) */
945 if (get_pathname(&cp, path1))
946 return(-1);
947 if (*path1 == NULL) {
948 error("You must specify a path after a %s command.",
949 cmd);
950 return(-1);
951 }
952 break;
953 case I_LS:
954 if (parse_ls_flags(&cp, lflag))
955 return(-1);
956 /* Path is optional */
957 if (get_pathname(&cp, path1))
958 return(-1);
959 break;
960 case I_LLS:
961 case I_SHELL:
962 /* Uses the rest of the line */
963 break;
964 case I_LUMASK:
965 base = 8;
966 case I_CHMOD:
967 base = 8;
968 case I_CHOWN:
969 case I_CHGRP:
970 /* Get numeric arg (mandatory) */
971 l = strtol(cp, &cp2, base);
972 if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
973 errno == ERANGE) || l < 0) {
974 error("You must supply a numeric argument "
975 "to the %s command.", cmd);
976 return(-1);
977 }
978 cp = cp2;
979 *n_arg = l;
980 if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
981 break;
982 if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
983 error("You must supply a numeric argument "
984 "to the %s command.", cmd);
985 return(-1);
986 }
987 cp += strspn(cp, WHITESPACE);
988
989 /* Get pathname (mandatory) */
990 if (get_pathname(&cp, path1))
991 return(-1);
992 if (*path1 == NULL) {
993 error("You must specify a path after a %s command.",
994 cmd);
995 return(-1);
996 }
997 break;
998 case I_QUIT:
999 case I_PWD:
1000 case I_LPWD:
1001 case I_HELP:
1002 case I_VERSION:
1003 case I_PROGRESS:
1004 break;
1005 default:
1006 fatal("Command not implemented");
1007 }
1008
1009 *cpp = cp;
1010 return(cmdnum);
1011}
1012
1013static int
1014parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1015 int err_abort)
1016{
1017 char *path1, *path2, *tmp;
1018 int pflag, lflag, iflag, cmdnum, i;
1019 unsigned long n_arg;
1020 Attrib a, *aa;
1021 char path_buf[MAXPATHLEN];
1022 int err = 0;
1023 glob_t g;
1024
1025 path1 = path2 = NULL;
1026 cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
1027 &path1, &path2);
1028
1029 if (iflag != 0)
1030 err_abort = 0;
1031
1032 memset(&g, 0, sizeof(g));
1033
1034 /* Perform command */
1035 switch (cmdnum) {
1036 case 0:
1037 /* Blank line */
1038 break;
1039 case -1:
1040 /* Unrecognized command */
1041 err = -1;
1042 break;
1043 case I_GET:
1044 err = process_get(conn, path1, path2, *pwd, pflag);
1045 break;
1046 case I_PUT:
1047 err = process_put(conn, path1, path2, *pwd, pflag);
1048 break;
1049 case I_RENAME:
1050 path1 = make_absolute(path1, *pwd);
1051 path2 = make_absolute(path2, *pwd);
1052 err = do_rename(conn, path1, path2);
1053 break;
1054 case I_SYMLINK:
1055 path2 = make_absolute(path2, *pwd);
1056 err = do_symlink(conn, path1, path2);
1057 break;
1058 case I_RM:
1059 path1 = make_absolute(path1, *pwd);
1060 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001061 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +11001062 printf("Removing %s\n", g.gl_pathv[i]);
1063 err = do_rm(conn, g.gl_pathv[i]);
1064 if (err != 0 && err_abort)
1065 break;
1066 }
1067 break;
1068 case I_MKDIR:
1069 path1 = make_absolute(path1, *pwd);
1070 attrib_clear(&a);
1071 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1072 a.perm = 0777;
1073 err = do_mkdir(conn, path1, &a);
1074 break;
1075 case I_RMDIR:
1076 path1 = make_absolute(path1, *pwd);
1077 err = do_rmdir(conn, path1);
1078 break;
1079 case I_CHDIR:
1080 path1 = make_absolute(path1, *pwd);
1081 if ((tmp = do_realpath(conn, path1)) == NULL) {
1082 err = 1;
1083 break;
1084 }
1085 if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1086 xfree(tmp);
1087 err = 1;
1088 break;
1089 }
1090 if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1091 error("Can't change directory: Can't check target");
1092 xfree(tmp);
1093 err = 1;
1094 break;
1095 }
1096 if (!S_ISDIR(aa->perm)) {
1097 error("Can't change directory: \"%s\" is not "
1098 "a directory", tmp);
1099 xfree(tmp);
1100 err = 1;
1101 break;
1102 }
1103 xfree(*pwd);
1104 *pwd = tmp;
1105 break;
1106 case I_LS:
1107 if (!path1) {
1108 do_globbed_ls(conn, *pwd, *pwd, lflag);
1109 break;
1110 }
1111
1112 /* Strip pwd off beginning of non-absolute paths */
1113 tmp = NULL;
1114 if (*path1 != '/')
1115 tmp = *pwd;
1116
1117 path1 = make_absolute(path1, *pwd);
1118 err = do_globbed_ls(conn, path1, tmp, lflag);
1119 break;
1120 case I_LCHDIR:
1121 if (chdir(path1) == -1) {
1122 error("Couldn't change local directory to "
1123 "\"%s\": %s", path1, strerror(errno));
1124 err = 1;
1125 }
1126 break;
1127 case I_LMKDIR:
1128 if (mkdir(path1, 0777) == -1) {
1129 error("Couldn't create local directory "
1130 "\"%s\": %s", path1, strerror(errno));
1131 err = 1;
1132 }
1133 break;
1134 case I_LLS:
1135 local_do_ls(cmd);
1136 break;
1137 case I_SHELL:
1138 local_do_shell(cmd);
1139 break;
1140 case I_LUMASK:
1141 umask(n_arg);
1142 printf("Local umask: %03lo\n", n_arg);
1143 break;
1144 case I_CHMOD:
1145 path1 = make_absolute(path1, *pwd);
1146 attrib_clear(&a);
1147 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1148 a.perm = n_arg;
1149 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001150 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +11001151 printf("Changing mode on %s\n", g.gl_pathv[i]);
1152 err = do_setstat(conn, g.gl_pathv[i], &a);
1153 if (err != 0 && err_abort)
1154 break;
1155 }
1156 break;
1157 case I_CHOWN:
1158 case I_CHGRP:
1159 path1 = make_absolute(path1, *pwd);
1160 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001161 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +11001162 if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1163 if (err != 0 && err_abort)
1164 break;
1165 else
1166 continue;
1167 }
1168 if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1169 error("Can't get current ownership of "
1170 "remote file \"%s\"", g.gl_pathv[i]);
1171 if (err != 0 && err_abort)
1172 break;
1173 else
1174 continue;
1175 }
1176 aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1177 if (cmdnum == I_CHOWN) {
1178 printf("Changing owner on %s\n", g.gl_pathv[i]);
1179 aa->uid = n_arg;
1180 } else {
1181 printf("Changing group on %s\n", g.gl_pathv[i]);
1182 aa->gid = n_arg;
1183 }
1184 err = do_setstat(conn, g.gl_pathv[i], aa);
1185 if (err != 0 && err_abort)
1186 break;
1187 }
1188 break;
1189 case I_PWD:
1190 printf("Remote working directory: %s\n", *pwd);
1191 break;
1192 case I_LPWD:
1193 if (!getcwd(path_buf, sizeof(path_buf))) {
1194 error("Couldn't get local cwd: %s", strerror(errno));
1195 err = -1;
1196 break;
1197 }
1198 printf("Local working directory: %s\n", path_buf);
1199 break;
1200 case I_QUIT:
1201 /* Processed below */
1202 break;
1203 case I_HELP:
1204 help();
1205 break;
1206 case I_VERSION:
1207 printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1208 break;
1209 case I_PROGRESS:
1210 showprogress = !showprogress;
1211 if (showprogress)
1212 printf("Progress meter enabled\n");
1213 else
1214 printf("Progress meter disabled\n");
1215 break;
1216 default:
1217 fatal("%d is not implemented", cmdnum);
1218 }
1219
1220 if (g.gl_pathc)
1221 globfree(&g);
1222 if (path1)
1223 xfree(path1);
1224 if (path2)
1225 xfree(path2);
1226
1227 /* If an unignored error occurs in batch mode we should abort. */
1228 if (err_abort && err != 0)
1229 return (-1);
1230 else if (cmdnum == I_QUIT)
1231 return (1);
1232
1233 return (0);
1234}
1235
Darren Tucker2d963d82004-11-07 20:04:10 +11001236#ifdef USE_LIBEDIT
1237static char *
1238prompt(EditLine *el)
1239{
1240 return ("sftp> ");
1241}
1242#endif
1243
Damien Miller20e1fab2004-02-18 14:30:55 +11001244int
1245interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1246{
1247 char *pwd;
1248 char *dir = NULL;
1249 char cmd[2048];
1250 struct sftp_conn *conn;
Damien Miller0e2c1022005-08-12 22:16:22 +10001251 int err, interactive;
Darren Tucker2d963d82004-11-07 20:04:10 +11001252 EditLine *el = NULL;
1253#ifdef USE_LIBEDIT
1254 History *hl = NULL;
1255 HistEvent hev;
1256 extern char *__progname;
1257
1258 if (!batchmode && isatty(STDIN_FILENO)) {
1259 if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1260 fatal("Couldn't initialise editline");
1261 if ((hl = history_init()) == NULL)
1262 fatal("Couldn't initialise editline history");
1263 history(hl, &hev, H_SETSIZE, 100);
1264 el_set(el, EL_HIST, history, hl);
1265
1266 el_set(el, EL_PROMPT, prompt);
1267 el_set(el, EL_EDITOR, "emacs");
1268 el_set(el, EL_TERMINAL, NULL);
1269 el_set(el, EL_SIGNAL, 1);
1270 el_source(el, NULL);
1271 }
1272#endif /* USE_LIBEDIT */
Damien Miller20e1fab2004-02-18 14:30:55 +11001273
1274 conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
1275 if (conn == NULL)
1276 fatal("Couldn't initialise connection to server");
1277
1278 pwd = do_realpath(conn, ".");
1279 if (pwd == NULL)
1280 fatal("Need cwd");
1281
1282 if (file1 != NULL) {
1283 dir = xstrdup(file1);
1284 dir = make_absolute(dir, pwd);
1285
1286 if (remote_is_dir(conn, dir) && file2 == NULL) {
1287 printf("Changing to: %s\n", dir);
1288 snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
Darren Tuckercd516ef2004-12-06 22:43:43 +11001289 if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
1290 xfree(dir);
1291 xfree(pwd);
Damien Millere0b90a62006-03-26 13:51:44 +11001292 xfree(conn);
Damien Miller20e1fab2004-02-18 14:30:55 +11001293 return (-1);
Darren Tuckercd516ef2004-12-06 22:43:43 +11001294 }
Damien Miller20e1fab2004-02-18 14:30:55 +11001295 } else {
1296 if (file2 == NULL)
1297 snprintf(cmd, sizeof cmd, "get %s", dir);
1298 else
1299 snprintf(cmd, sizeof cmd, "get %s %s", dir,
1300 file2);
1301
1302 err = parse_dispatch_command(conn, cmd, &pwd, 1);
1303 xfree(dir);
1304 xfree(pwd);
Damien Millere0b90a62006-03-26 13:51:44 +11001305 xfree(conn);
Damien Miller20e1fab2004-02-18 14:30:55 +11001306 return (err);
1307 }
1308 xfree(dir);
1309 }
1310
Darren Tucker93e7e8f2005-08-23 08:06:55 +10001311#if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF)
Damien Miller20e1fab2004-02-18 14:30:55 +11001312 setvbuf(stdout, NULL, _IOLBF, 0);
1313 setvbuf(infile, NULL, _IOLBF, 0);
1314#else
Damien Miller37294fb2005-07-17 17:18:49 +10001315 setlinebuf(stdout);
1316 setlinebuf(infile);
Damien Miller20e1fab2004-02-18 14:30:55 +11001317#endif
1318
Damien Miller0e2c1022005-08-12 22:16:22 +10001319 interactive = !batchmode && isatty(STDIN_FILENO);
Damien Miller20e1fab2004-02-18 14:30:55 +11001320 err = 0;
1321 for (;;) {
1322 char *cp;
1323
Darren Tuckercdf547a2004-05-24 10:12:19 +10001324 signal(SIGINT, SIG_IGN);
1325
Darren Tucker2d963d82004-11-07 20:04:10 +11001326 if (el == NULL) {
Damien Miller0e2c1022005-08-12 22:16:22 +10001327 if (interactive)
1328 printf("sftp> ");
Darren Tucker2d963d82004-11-07 20:04:10 +11001329 if (fgets(cmd, sizeof(cmd), infile) == NULL) {
Damien Miller0e2c1022005-08-12 22:16:22 +10001330 if (interactive)
1331 printf("\n");
Darren Tucker2d963d82004-11-07 20:04:10 +11001332 break;
1333 }
Damien Miller0e2c1022005-08-12 22:16:22 +10001334 if (!interactive) { /* Echo command */
1335 printf("sftp> %s", cmd);
1336 if (strlen(cmd) > 0 &&
1337 cmd[strlen(cmd) - 1] != '\n')
1338 printf("\n");
1339 }
Darren Tucker2d963d82004-11-07 20:04:10 +11001340 } else {
1341#ifdef USE_LIBEDIT
1342 const char *line;
1343 int count = 0;
Damien Miller20e1fab2004-02-18 14:30:55 +11001344
Damien Miller0e2c1022005-08-12 22:16:22 +10001345 if ((line = el_gets(el, &count)) == NULL || count <= 0) {
1346 printf("\n");
1347 break;
1348 }
Darren Tucker2d963d82004-11-07 20:04:10 +11001349 history(hl, &hev, H_ENTER, line);
1350 if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1351 fprintf(stderr, "Error: input line too long\n");
1352 continue;
1353 }
1354#endif /* USE_LIBEDIT */
Damien Miller20e1fab2004-02-18 14:30:55 +11001355 }
1356
Damien Miller20e1fab2004-02-18 14:30:55 +11001357 cp = strrchr(cmd, '\n');
1358 if (cp)
1359 *cp = '\0';
1360
Darren Tuckercdf547a2004-05-24 10:12:19 +10001361 /* Handle user interrupts gracefully during commands */
1362 interrupted = 0;
1363 signal(SIGINT, cmd_interrupt);
1364
Damien Miller20e1fab2004-02-18 14:30:55 +11001365 err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1366 if (err != 0)
1367 break;
1368 }
1369 xfree(pwd);
Damien Millere0b90a62006-03-26 13:51:44 +11001370 xfree(conn);
Damien Miller20e1fab2004-02-18 14:30:55 +11001371
Tim Rice027e8b12005-08-15 14:52:50 -07001372#ifdef USE_LIBEDIT
Damien Miller0e2c1022005-08-12 22:16:22 +10001373 if (el != NULL)
1374 el_end(el);
Tim Rice027e8b12005-08-15 14:52:50 -07001375#endif /* USE_LIBEDIT */
Damien Miller0e2c1022005-08-12 22:16:22 +10001376
Damien Miller20e1fab2004-02-18 14:30:55 +11001377 /* err == 1 signifies normal "quit" exit */
1378 return (err >= 0 ? 0 : -1);
1379}
Damien Miller62d57f62003-01-10 21:43:24 +11001380
Ben Lindstrombba81212001-06-25 05:01:22 +00001381static void
Damien Millercc685c12003-06-04 22:51:38 +10001382connect_to_server(char *path, char **args, int *in, int *out)
Damien Miller33804262001-02-04 23:20:18 +11001383{
1384 int c_in, c_out;
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001385
Damien Miller33804262001-02-04 23:20:18 +11001386#ifdef USE_PIPES
1387 int pin[2], pout[2];
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001388
Damien Miller33804262001-02-04 23:20:18 +11001389 if ((pipe(pin) == -1) || (pipe(pout) == -1))
1390 fatal("pipe: %s", strerror(errno));
1391 *in = pin[0];
1392 *out = pout[1];
1393 c_in = pout[0];
1394 c_out = pin[1];
1395#else /* USE_PIPES */
1396 int inout[2];
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001397
Damien Miller33804262001-02-04 23:20:18 +11001398 if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1399 fatal("socketpair: %s", strerror(errno));
1400 *in = *out = inout[0];
1401 c_in = c_out = inout[1];
1402#endif /* USE_PIPES */
1403
Damien Millercc685c12003-06-04 22:51:38 +10001404 if ((sshpid = fork()) == -1)
Damien Miller33804262001-02-04 23:20:18 +11001405 fatal("fork: %s", strerror(errno));
Damien Millercc685c12003-06-04 22:51:38 +10001406 else if (sshpid == 0) {
Damien Miller33804262001-02-04 23:20:18 +11001407 if ((dup2(c_in, STDIN_FILENO) == -1) ||
1408 (dup2(c_out, STDOUT_FILENO) == -1)) {
1409 fprintf(stderr, "dup2: %s\n", strerror(errno));
Damien Miller350327c2004-06-15 10:24:13 +10001410 _exit(1);
Damien Miller33804262001-02-04 23:20:18 +11001411 }
1412 close(*in);
1413 close(*out);
1414 close(c_in);
1415 close(c_out);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001416
1417 /*
1418 * The underlying ssh is in the same process group, so we must
Darren Tuckerfc959702004-07-17 16:12:08 +10001419 * ignore SIGINT if we want to gracefully abort commands,
1420 * otherwise the signal will make it to the ssh process and
Darren Tuckercdf547a2004-05-24 10:12:19 +10001421 * kill it too
1422 */
1423 signal(SIGINT, SIG_IGN);
Darren Tuckerbd12f172004-06-18 16:23:43 +10001424 execvp(path, args);
Damien Millerd14ee1e2002-02-05 12:27:31 +11001425 fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
Damien Miller350327c2004-06-15 10:24:13 +10001426 _exit(1);
Damien Miller33804262001-02-04 23:20:18 +11001427 }
1428
Damien Millercc685c12003-06-04 22:51:38 +10001429 signal(SIGTERM, killchild);
1430 signal(SIGINT, killchild);
1431 signal(SIGHUP, killchild);
Damien Miller33804262001-02-04 23:20:18 +11001432 close(c_in);
1433 close(c_out);
1434}
1435
Ben Lindstrombba81212001-06-25 05:01:22 +00001436static void
Damien Miller33804262001-02-04 23:20:18 +11001437usage(void)
1438{
Damien Miller025e01c2002-02-08 22:06:29 +11001439 extern char *__progname;
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001440
Ben Lindstrom1e243242001-09-18 05:38:44 +00001441 fprintf(stderr,
Darren Tucker1f203942003-10-15 15:50:42 +10001442 "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1443 " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1444 " [-S program] [-s subsystem | sftp_server] host\n"
1445 " %s [[user@]host[:file [file]]]\n"
1446 " %s [[user@]host[:dir[/]]]\n"
1447 " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
Damien Miller33804262001-02-04 23:20:18 +11001448 exit(1);
1449}
1450
Kevin Stevesef4eea92001-02-05 12:42:17 +00001451int
Damien Miller33804262001-02-04 23:20:18 +11001452main(int argc, char **argv)
1453{
Damien Miller956f3fb2003-01-10 21:40:00 +11001454 int in, out, ch, err;
Damien Miller7cf17eb2004-06-15 10:28:56 +10001455 char *host, *userhost, *cp, *file2 = NULL;
Ben Lindstrom387c4722001-05-08 20:27:25 +00001456 int debug_level = 0, sshver = 2;
1457 char *file1 = NULL, *sftp_server = NULL;
Damien Millerd14ee1e2002-02-05 12:27:31 +11001458 char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
Ben Lindstrom387c4722001-05-08 20:27:25 +00001459 LogLevel ll = SYSLOG_LEVEL_INFO;
1460 arglist args;
Damien Millerd7686fd2001-02-10 00:40:03 +11001461 extern int optind;
1462 extern char *optarg;
Damien Miller33804262001-02-04 23:20:18 +11001463
Darren Tuckerce321d82005-10-03 18:11:24 +10001464 /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
1465 sanitise_stdfd();
1466
Damien Miller59d3d5b2003-08-22 09:34:41 +10001467 __progname = ssh_get_progname(argv[0]);
Damien Miller3eec6b72006-01-31 21:49:27 +11001468 memset(&args, '\0', sizeof(args));
Ben Lindstrom387c4722001-05-08 20:27:25 +00001469 args.list = NULL;
Damien Miller3eec6b72006-01-31 21:49:27 +11001470 addargs(&args, ssh_program);
Ben Lindstrom387c4722001-05-08 20:27:25 +00001471 addargs(&args, "-oForwardX11 no");
1472 addargs(&args, "-oForwardAgent no");
Damien Millerd27b9472005-12-13 19:29:02 +11001473 addargs(&args, "-oPermitLocalCommand no");
Ben Lindstrom2b7a0e92001-09-20 00:57:55 +00001474 addargs(&args, "-oClearAllForwardings yes");
Damien Millere4f5a822004-01-21 14:11:05 +11001475
Ben Lindstrom387c4722001-05-08 20:27:25 +00001476 ll = SYSLOG_LEVEL_INFO;
Damien Millere4f5a822004-01-21 14:11:05 +11001477 infile = stdin;
Damien Millerd7686fd2001-02-10 00:40:03 +11001478
Damien Miller16a13332002-02-13 14:03:56 +11001479 while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
Damien Millerd7686fd2001-02-10 00:40:03 +11001480 switch (ch) {
1481 case 'C':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001482 addargs(&args, "-C");
Damien Millerd7686fd2001-02-10 00:40:03 +11001483 break;
1484 case 'v':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001485 if (debug_level < 3) {
1486 addargs(&args, "-v");
1487 ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1488 }
1489 debug_level++;
Damien Millerd7686fd2001-02-10 00:40:03 +11001490 break;
Ben Lindstrom1e243242001-09-18 05:38:44 +00001491 case 'F':
Damien Millerd7686fd2001-02-10 00:40:03 +11001492 case 'o':
Ben Lindstrom1e243242001-09-18 05:38:44 +00001493 addargs(&args, "-%c%s", ch, optarg);
Damien Millerd7686fd2001-02-10 00:40:03 +11001494 break;
1495 case '1':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001496 sshver = 1;
Damien Millerd7686fd2001-02-10 00:40:03 +11001497 if (sftp_server == NULL)
1498 sftp_server = _PATH_SFTP_SERVER;
1499 break;
1500 case 's':
1501 sftp_server = optarg;
1502 break;
1503 case 'S':
1504 ssh_program = optarg;
Damien Miller3eec6b72006-01-31 21:49:27 +11001505 replacearg(&args, 0, "%s", ssh_program);
Damien Millerd7686fd2001-02-10 00:40:03 +11001506 break;
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001507 case 'b':
Damien Miller44f75c12004-01-21 10:58:47 +11001508 if (batchmode)
1509 fatal("Batch file already specified.");
1510
1511 /* Allow "-" as stdin */
Darren Tuckerfc959702004-07-17 16:12:08 +10001512 if (strcmp(optarg, "-") != 0 &&
Damien Miller0dc1bef2005-07-17 17:22:45 +10001513 (infile = fopen(optarg, "r")) == NULL)
Damien Miller44f75c12004-01-21 10:58:47 +11001514 fatal("%s (%s).", strerror(errno), optarg);
Damien Miller62d57f62003-01-10 21:43:24 +11001515 showprogress = 0;
Damien Miller44f75c12004-01-21 10:58:47 +11001516 batchmode = 1;
Damien Miller64e8d442005-03-01 21:16:47 +11001517 addargs(&args, "-obatchmode yes");
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001518 break;
Damien Millerd14ee1e2002-02-05 12:27:31 +11001519 case 'P':
1520 sftp_direct = optarg;
1521 break;
Damien Miller8829d362002-02-08 22:04:05 +11001522 case 'B':
1523 copy_buffer_len = strtol(optarg, &cp, 10);
1524 if (copy_buffer_len == 0 || *cp != '\0')
1525 fatal("Invalid buffer size \"%s\"", optarg);
1526 break;
Damien Miller16a13332002-02-13 14:03:56 +11001527 case 'R':
1528 num_requests = strtol(optarg, &cp, 10);
1529 if (num_requests == 0 || *cp != '\0')
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001530 fatal("Invalid number of requests \"%s\"",
Damien Miller16a13332002-02-13 14:03:56 +11001531 optarg);
1532 break;
Damien Millerd7686fd2001-02-10 00:40:03 +11001533 case 'h':
1534 default:
Damien Miller33804262001-02-04 23:20:18 +11001535 usage();
1536 }
1537 }
1538
Damien Millerc0f27d82004-03-08 23:12:19 +11001539 if (!isatty(STDERR_FILENO))
1540 showprogress = 0;
1541
Ben Lindstrom2f3d52a2002-04-02 21:06:18 +00001542 log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1543
Damien Millerd14ee1e2002-02-05 12:27:31 +11001544 if (sftp_direct == NULL) {
1545 if (optind == argc || argc > (optind + 2))
1546 usage();
Damien Miller33804262001-02-04 23:20:18 +11001547
Damien Millerd14ee1e2002-02-05 12:27:31 +11001548 userhost = xstrdup(argv[optind]);
1549 file2 = argv[optind+1];
Ben Lindstrom63667f62001-04-13 00:00:14 +00001550
Ben Lindstromc276c122002-12-23 02:14:51 +00001551 if ((host = strrchr(userhost, '@')) == NULL)
Damien Millerd14ee1e2002-02-05 12:27:31 +11001552 host = userhost;
1553 else {
1554 *host++ = '\0';
1555 if (!userhost[0]) {
1556 fprintf(stderr, "Missing username\n");
1557 usage();
1558 }
1559 addargs(&args, "-l%s",userhost);
1560 }
1561
Damien Millerec692032004-01-27 21:22:00 +11001562 if ((cp = colon(host)) != NULL) {
1563 *cp++ = '\0';
1564 file1 = cp;
1565 }
1566
Damien Millerd14ee1e2002-02-05 12:27:31 +11001567 host = cleanhostname(host);
1568 if (!*host) {
1569 fprintf(stderr, "Missing hostname\n");
Damien Miller33804262001-02-04 23:20:18 +11001570 usage();
1571 }
Damien Millerd14ee1e2002-02-05 12:27:31 +11001572
Damien Millerd14ee1e2002-02-05 12:27:31 +11001573 addargs(&args, "-oProtocol %d", sshver);
1574
1575 /* no subsystem if the server-spec contains a '/' */
1576 if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1577 addargs(&args, "-s");
1578
1579 addargs(&args, "%s", host);
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001580 addargs(&args, "%s", (sftp_server != NULL ?
Damien Millerd14ee1e2002-02-05 12:27:31 +11001581 sftp_server : "sftp"));
Damien Millerd14ee1e2002-02-05 12:27:31 +11001582
Damien Miller44f75c12004-01-21 10:58:47 +11001583 if (!batchmode)
1584 fprintf(stderr, "Connecting to %s...\n", host);
Damien Millercc685c12003-06-04 22:51:38 +10001585 connect_to_server(ssh_program, args.list, &in, &out);
Damien Millerd14ee1e2002-02-05 12:27:31 +11001586 } else {
1587 args.list = NULL;
1588 addargs(&args, "sftp-server");
1589
Damien Miller44f75c12004-01-21 10:58:47 +11001590 if (!batchmode)
1591 fprintf(stderr, "Attaching to %s...\n", sftp_direct);
Damien Millercc685c12003-06-04 22:51:38 +10001592 connect_to_server(sftp_direct, args.list, &in, &out);
Damien Miller33804262001-02-04 23:20:18 +11001593 }
Damien Miller3eec6b72006-01-31 21:49:27 +11001594 freeargs(&args);
Damien Miller33804262001-02-04 23:20:18 +11001595
Damien Miller956f3fb2003-01-10 21:40:00 +11001596 err = interactive_loop(in, out, file1, file2);
Damien Miller33804262001-02-04 23:20:18 +11001597
Ben Lindstrom10b9bf92001-02-26 20:04:45 +00001598#if !defined(USE_PIPES)
Damien Miller37294fb2005-07-17 17:18:49 +10001599 shutdown(in, SHUT_RDWR);
1600 shutdown(out, SHUT_RDWR);
Ben Lindstrom10b9bf92001-02-26 20:04:45 +00001601#endif
1602
Damien Miller33804262001-02-04 23:20:18 +11001603 close(in);
1604 close(out);
Damien Miller44f75c12004-01-21 10:58:47 +11001605 if (batchmode)
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001606 fclose(infile);
Damien Miller33804262001-02-04 23:20:18 +11001607
Ben Lindstrom47fd8112002-04-02 20:48:19 +00001608 while (waitpid(sshpid, NULL, 0) == -1)
1609 if (errno != EINTR)
1610 fatal("Couldn't wait for ssh process: %s",
1611 strerror(errno));
Damien Miller33804262001-02-04 23:20:18 +11001612
Damien Miller956f3fb2003-01-10 21:40:00 +11001613 exit(err == 0 ? 0 : 1);
Damien Miller33804262001-02-04 23:20:18 +11001614}