blob: a47ccf5a2ae7bbad822d4a2d78ccfb0c4a148bff [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 Millerc0f27d82004-03-08 23:12:19 +110019RCSID("$OpenBSD: sftp.c,v 1.45 2004/03/03 09:31:20 djm Exp $");
Damien Miller33804262001-02-04 23:20:18 +110020
21#include "buffer.h"
22#include "xmalloc.h"
23#include "log.h"
24#include "pathnames.h"
Ben Lindstrom4529b702001-05-03 23:39:53 +000025#include "misc.h"
Damien Miller33804262001-02-04 23:20:18 +110026
27#include "sftp.h"
28#include "sftp-common.h"
29#include "sftp-client.h"
Damien Millerd7d46bb2004-02-18 14:11:13 +110030
Damien Miller20e1fab2004-02-18 14:30:55 +110031/* File to read commands from */
32FILE* infile;
33
34/* Are we in batchfile mode? */
35int batchmode = 0;
36
37/* Size of buffer used when copying files */
38size_t copy_buffer_len = 32768;
39
40/* Number of concurrent outstanding requests */
41size_t num_requests = 16;
42
43/* PID of ssh transport process */
44static pid_t sshpid = -1;
45
46/* This is set to 0 if the progressmeter is not desired. */
Damien Millerc0f27d82004-03-08 23:12:19 +110047int showprogress = 1;
Damien Miller20e1fab2004-02-18 14:30:55 +110048
49int remote_glob(struct sftp_conn *, const char *, int,
50 int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
Damien Miller33804262001-02-04 23:20:18 +110051
Kevin Steves12888d12001-03-05 19:50:57 +000052#ifdef HAVE___PROGNAME
53extern char *__progname;
54#else
55char *__progname;
56#endif
57
Damien Miller20e1fab2004-02-18 14:30:55 +110058/* Separators for interactive commands */
59#define WHITESPACE " \t\r\n"
Damien Millerd7686fd2001-02-10 00:40:03 +110060
Damien Miller20e1fab2004-02-18 14:30:55 +110061/* Define what type of ls view (0 - multi-column) */
62#define LONG_VIEW 1 /* Full view ala ls -l */
63#define SHORT_VIEW 2 /* Single row view ala ls -1 */
64
65/* Commands for interactive mode */
66#define I_CHDIR 1
67#define I_CHGRP 2
68#define I_CHMOD 3
69#define I_CHOWN 4
70#define I_GET 5
71#define I_HELP 6
72#define I_LCHDIR 7
73#define I_LLS 8
74#define I_LMKDIR 9
75#define I_LPWD 10
76#define I_LS 11
77#define I_LUMASK 12
78#define I_MKDIR 13
79#define I_PUT 14
80#define I_PWD 15
81#define I_QUIT 16
82#define I_RENAME 17
83#define I_RM 18
84#define I_RMDIR 19
85#define I_SHELL 20
86#define I_SYMLINK 21
87#define I_VERSION 22
88#define I_PROGRESS 23
89
90struct CMD {
91 const char *c;
92 const int n;
93};
94
95static const struct CMD cmds[] = {
96 { "bye", I_QUIT },
97 { "cd", I_CHDIR },
98 { "chdir", I_CHDIR },
99 { "chgrp", I_CHGRP },
100 { "chmod", I_CHMOD },
101 { "chown", I_CHOWN },
102 { "dir", I_LS },
103 { "exit", I_QUIT },
104 { "get", I_GET },
105 { "mget", I_GET },
106 { "help", I_HELP },
107 { "lcd", I_LCHDIR },
108 { "lchdir", I_LCHDIR },
109 { "lls", I_LLS },
110 { "lmkdir", I_LMKDIR },
111 { "ln", I_SYMLINK },
112 { "lpwd", I_LPWD },
113 { "ls", I_LS },
114 { "lumask", I_LUMASK },
115 { "mkdir", I_MKDIR },
116 { "progress", I_PROGRESS },
117 { "put", I_PUT },
118 { "mput", I_PUT },
119 { "pwd", I_PWD },
120 { "quit", I_QUIT },
121 { "rename", I_RENAME },
122 { "rm", I_RM },
123 { "rmdir", I_RMDIR },
124 { "symlink", I_SYMLINK },
125 { "version", I_VERSION },
126 { "!", I_SHELL },
127 { "?", I_HELP },
128 { NULL, -1}
129};
130
131int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
132
133static void
134help(void)
135{
136 printf("Available commands:\n");
137 printf("cd path Change remote directory to 'path'\n");
138 printf("lcd path Change local directory to 'path'\n");
139 printf("chgrp grp path Change group of file 'path' to 'grp'\n");
140 printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
141 printf("chown own path Change owner of file 'path' to 'own'\n");
142 printf("help Display this help text\n");
143 printf("get remote-path [local-path] Download file\n");
144 printf("lls [ls-options [path]] Display local directory listing\n");
145 printf("ln oldpath newpath Symlink remote file\n");
146 printf("lmkdir path Create local directory\n");
147 printf("lpwd Print local working directory\n");
148 printf("ls [path] Display remote directory listing\n");
149 printf("lumask umask Set local umask to 'umask'\n");
150 printf("mkdir path Create remote directory\n");
151 printf("progress Toggle display of progress meter\n");
152 printf("put local-path [remote-path] Upload file\n");
153 printf("pwd Display remote working directory\n");
154 printf("exit Quit sftp\n");
155 printf("quit Quit sftp\n");
156 printf("rename oldpath newpath Rename remote file\n");
157 printf("rmdir path Remove remote directory\n");
158 printf("rm path Delete remote file\n");
159 printf("symlink oldpath newpath Symlink remote file\n");
160 printf("version Show SFTP version\n");
161 printf("!command Execute 'command' in local shell\n");
162 printf("! Escape to local shell\n");
163 printf("? Synonym for help\n");
164}
165
166static void
167local_do_shell(const char *args)
168{
169 int status;
170 char *shell;
171 pid_t pid;
172
173 if (!*args)
174 args = NULL;
175
176 if ((shell = getenv("SHELL")) == NULL)
177 shell = _PATH_BSHELL;
178
179 if ((pid = fork()) == -1)
180 fatal("Couldn't fork: %s", strerror(errno));
181
182 if (pid == 0) {
183 /* XXX: child has pipe fds to ssh subproc open - issue? */
184 if (args) {
185 debug3("Executing %s -c \"%s\"", shell, args);
186 execl(shell, shell, "-c", args, (char *)NULL);
187 } else {
188 debug3("Executing %s", shell);
189 execl(shell, shell, (char *)NULL);
190 }
191 fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
192 strerror(errno));
193 _exit(1);
194 }
195 while (waitpid(pid, &status, 0) == -1)
196 if (errno != EINTR)
197 fatal("Couldn't wait for child: %s", strerror(errno));
198 if (!WIFEXITED(status))
199 error("Shell exited abormally");
200 else if (WEXITSTATUS(status))
201 error("Shell exited with status %d", WEXITSTATUS(status));
202}
203
204static void
205local_do_ls(const char *args)
206{
207 if (!args || !*args)
208 local_do_shell(_PATH_LS);
209 else {
210 int len = strlen(_PATH_LS " ") + strlen(args) + 1;
211 char *buf = xmalloc(len);
212
213 /* XXX: quoting - rip quoting code from ftp? */
214 snprintf(buf, len, _PATH_LS " %s", args);
215 local_do_shell(buf);
216 xfree(buf);
217 }
218}
219
220/* Strip one path (usually the pwd) from the start of another */
221static char *
222path_strip(char *path, char *strip)
223{
224 size_t len;
225
226 if (strip == NULL)
227 return (xstrdup(path));
228
229 len = strlen(strip);
230 if (strip != NULL && strncmp(path, strip, len) == 0) {
231 if (strip[len - 1] != '/' && path[len] == '/')
232 len++;
233 return (xstrdup(path + len));
234 }
235
236 return (xstrdup(path));
237}
238
239static char *
240path_append(char *p1, char *p2)
241{
242 char *ret;
243 int len = strlen(p1) + strlen(p2) + 2;
244
245 ret = xmalloc(len);
246 strlcpy(ret, p1, len);
247 if (p1[strlen(p1) - 1] != '/')
248 strlcat(ret, "/", len);
249 strlcat(ret, p2, len);
250
251 return(ret);
252}
253
254static char *
255make_absolute(char *p, char *pwd)
256{
257 char *abs;
258
259 /* Derelativise */
260 if (p && p[0] != '/') {
261 abs = path_append(pwd, p);
262 xfree(p);
263 return(abs);
264 } else
265 return(p);
266}
267
268static int
269infer_path(const char *p, char **ifp)
270{
271 char *cp;
272
273 cp = strrchr(p, '/');
274 if (cp == NULL) {
275 *ifp = xstrdup(p);
276 return(0);
277 }
278
279 if (!cp[1]) {
280 error("Invalid path");
281 return(-1);
282 }
283
284 *ifp = xstrdup(cp + 1);
285 return(0);
286}
287
288static int
289parse_getput_flags(const char **cpp, int *pflag)
290{
291 const char *cp = *cpp;
292
293 /* Check for flags */
294 if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
295 switch (cp[1]) {
296 case 'p':
297 case 'P':
298 *pflag = 1;
299 break;
300 default:
301 error("Invalid flag -%c", cp[1]);
302 return(-1);
303 }
304 cp += 2;
305 *cpp = cp + strspn(cp, WHITESPACE);
306 }
307
308 return(0);
309}
310
311static int
312parse_ls_flags(const char **cpp, int *lflag)
313{
314 const char *cp = *cpp;
315
316 /* Check for flags */
317 if (cp++[0] == '-') {
318 for(; strchr(WHITESPACE, *cp) == NULL; cp++) {
319 switch (*cp) {
320 case 'l':
321 *lflag = LONG_VIEW;
322 break;
323 case '1':
324 *lflag = SHORT_VIEW;
325 break;
326 default:
327 error("Invalid flag -%c", *cp);
328 return(-1);
329 }
330 }
331 *cpp = cp + strspn(cp, WHITESPACE);
332 }
333
334 return(0);
335}
336
337static int
338get_pathname(const char **cpp, char **path)
339{
340 const char *cp = *cpp, *end;
341 char quot;
342 int i, j;
343
344 cp += strspn(cp, WHITESPACE);
345 if (!*cp) {
346 *cpp = cp;
347 *path = NULL;
348 return (0);
349 }
350
351 *path = xmalloc(strlen(cp) + 1);
352
353 /* Check for quoted filenames */
354 if (*cp == '\"' || *cp == '\'') {
355 quot = *cp++;
356
357 /* Search for terminating quote, unescape some chars */
358 for (i = j = 0; i <= strlen(cp); i++) {
359 if (cp[i] == quot) { /* Found quote */
360 i++;
361 (*path)[j] = '\0';
362 break;
363 }
364 if (cp[i] == '\0') { /* End of string */
365 error("Unterminated quote");
366 goto fail;
367 }
368 if (cp[i] == '\\') { /* Escaped characters */
369 i++;
370 if (cp[i] != '\'' && cp[i] != '\"' &&
371 cp[i] != '\\') {
372 error("Bad escaped character '\%c'",
373 cp[i]);
374 goto fail;
375 }
376 }
377 (*path)[j++] = cp[i];
378 }
379
380 if (j == 0) {
381 error("Empty quotes");
382 goto fail;
383 }
384 *cpp = cp + i + strspn(cp + i, WHITESPACE);
385 } else {
386 /* Read to end of filename */
387 end = strpbrk(cp, WHITESPACE);
388 if (end == NULL)
389 end = strchr(cp, '\0');
390 *cpp = end + strspn(end, WHITESPACE);
391
392 memcpy(*path, cp, end - cp);
393 (*path)[end - cp] = '\0';
394 }
395 return (0);
396
397 fail:
398 xfree(*path);
399 *path = NULL;
400 return (-1);
401}
402
403static int
404is_dir(char *path)
405{
406 struct stat sb;
407
408 /* XXX: report errors? */
409 if (stat(path, &sb) == -1)
410 return(0);
411
412 return(sb.st_mode & S_IFDIR);
413}
414
415static int
416is_reg(char *path)
417{
418 struct stat sb;
419
420 if (stat(path, &sb) == -1)
421 fatal("stat %s: %s", path, strerror(errno));
422
423 return(S_ISREG(sb.st_mode));
424}
425
426static int
427remote_is_dir(struct sftp_conn *conn, char *path)
428{
429 Attrib *a;
430
431 /* XXX: report errors? */
432 if ((a = do_stat(conn, path, 1)) == NULL)
433 return(0);
434 if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
435 return(0);
436 return(a->perm & S_IFDIR);
437}
438
439static int
440process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
441{
442 char *abs_src = NULL;
443 char *abs_dst = NULL;
444 char *tmp;
445 glob_t g;
446 int err = 0;
447 int i;
448
449 abs_src = xstrdup(src);
450 abs_src = make_absolute(abs_src, pwd);
451
452 memset(&g, 0, sizeof(g));
453 debug3("Looking up %s", abs_src);
454 if (remote_glob(conn, abs_src, 0, NULL, &g)) {
455 error("File \"%s\" not found.", abs_src);
456 err = -1;
457 goto out;
458 }
459
460 /* If multiple matches, dst must be a directory or unspecified */
461 if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
462 error("Multiple files match, but \"%s\" is not a directory",
463 dst);
464 err = -1;
465 goto out;
466 }
467
468 for (i = 0; g.gl_pathv[i]; i++) {
469 if (infer_path(g.gl_pathv[i], &tmp)) {
470 err = -1;
471 goto out;
472 }
473
474 if (g.gl_matchc == 1 && dst) {
475 /* If directory specified, append filename */
476 if (is_dir(dst)) {
477 if (infer_path(g.gl_pathv[0], &tmp)) {
478 err = 1;
479 goto out;
480 }
481 abs_dst = path_append(dst, tmp);
482 xfree(tmp);
483 } else
484 abs_dst = xstrdup(dst);
485 } else if (dst) {
486 abs_dst = path_append(dst, tmp);
487 xfree(tmp);
488 } else
489 abs_dst = tmp;
490
491 printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
492 if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
493 err = -1;
494 xfree(abs_dst);
495 abs_dst = NULL;
496 }
497
498out:
499 xfree(abs_src);
500 if (abs_dst)
501 xfree(abs_dst);
502 globfree(&g);
503 return(err);
504}
505
506static int
507process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
508{
509 char *tmp_dst = NULL;
510 char *abs_dst = NULL;
511 char *tmp;
512 glob_t g;
513 int err = 0;
514 int i;
515
516 if (dst) {
517 tmp_dst = xstrdup(dst);
518 tmp_dst = make_absolute(tmp_dst, pwd);
519 }
520
521 memset(&g, 0, sizeof(g));
522 debug3("Looking up %s", src);
523 if (glob(src, 0, NULL, &g)) {
524 error("File \"%s\" not found.", src);
525 err = -1;
526 goto out;
527 }
528
529 /* If multiple matches, dst may be directory or unspecified */
530 if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
531 error("Multiple files match, but \"%s\" is not a directory",
532 tmp_dst);
533 err = -1;
534 goto out;
535 }
536
537 for (i = 0; g.gl_pathv[i]; i++) {
538 if (!is_reg(g.gl_pathv[i])) {
539 error("skipping non-regular file %s",
540 g.gl_pathv[i]);
541 continue;
542 }
543 if (infer_path(g.gl_pathv[i], &tmp)) {
544 err = -1;
545 goto out;
546 }
547
548 if (g.gl_matchc == 1 && tmp_dst) {
549 /* If directory specified, append filename */
550 if (remote_is_dir(conn, tmp_dst)) {
551 if (infer_path(g.gl_pathv[0], &tmp)) {
552 err = 1;
553 goto out;
554 }
555 abs_dst = path_append(tmp_dst, tmp);
556 xfree(tmp);
557 } else
558 abs_dst = xstrdup(tmp_dst);
559
560 } else if (tmp_dst) {
561 abs_dst = path_append(tmp_dst, tmp);
562 xfree(tmp);
563 } else
564 abs_dst = make_absolute(tmp, pwd);
565
566 printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
567 if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
568 err = -1;
569 }
570
571out:
572 if (abs_dst)
573 xfree(abs_dst);
574 if (tmp_dst)
575 xfree(tmp_dst);
576 globfree(&g);
577 return(err);
578}
579
580static int
581sdirent_comp(const void *aa, const void *bb)
582{
583 SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
584 SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
585
586 return (strcmp(a->filename, b->filename));
587}
588
589/* sftp ls.1 replacement for directories */
590static int
591do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
592{
593 int n, c = 1, colspace = 0, columns = 1;
594 SFTP_DIRENT **d;
595
596 if ((n = do_readdir(conn, path, &d)) != 0)
597 return (n);
598
599 if (!(lflag & SHORT_VIEW)) {
600 int m = 0, width = 80;
601 struct winsize ws;
602 char *tmp;
603
604 /* Count entries for sort and find longest filename */
605 for (n = 0; d[n] != NULL; n++)
606 m = MAX(m, strlen(d[n]->filename));
607
608 /* Add any subpath that also needs to be counted */
609 tmp = path_strip(path, strip_path);
610 m += strlen(tmp);
611 xfree(tmp);
612
613 if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
614 width = ws.ws_col;
615
616 columns = width / (m + 2);
617 columns = MAX(columns, 1);
618 colspace = width / columns;
619 colspace = MIN(colspace, width);
620 }
621
622 qsort(d, n, sizeof(*d), sdirent_comp);
623
624 for (n = 0; d[n] != NULL; n++) {
625 char *tmp, *fname;
626
627 tmp = path_append(path, d[n]->filename);
628 fname = path_strip(tmp, strip_path);
629 xfree(tmp);
630
631 if (lflag & LONG_VIEW) {
632 char *lname;
633 struct stat sb;
634
635 memset(&sb, 0, sizeof(sb));
636 attrib_to_stat(&d[n]->a, &sb);
637 lname = ls_file(fname, &sb, 1);
638 printf("%s\n", lname);
639 xfree(lname);
640 } else {
641 printf("%-*s", colspace, fname);
642 if (c >= columns) {
643 printf("\n");
644 c = 1;
645 } else
646 c++;
647 }
648
649 xfree(fname);
650 }
651
652 if (!(lflag & LONG_VIEW) && (c != 1))
653 printf("\n");
654
655 free_sftp_dirents(d);
656 return (0);
657}
658
659/* sftp ls.1 replacement which handles path globs */
660static int
661do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
662 int lflag)
663{
664 glob_t g;
665 int i, c = 1, colspace = 0, columns = 1;
666 Attrib *a;
667
668 memset(&g, 0, sizeof(g));
669
670 if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
671 NULL, &g)) {
672 error("Can't ls: \"%s\" not found", path);
673 return (-1);
674 }
675
676 /*
677 * If the glob returns a single match, which is the same as the
678 * input glob, and it is a directory, then just list its contents
679 */
680 if (g.gl_pathc == 1 &&
681 strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) {
682 if ((a = do_lstat(conn, path, 1)) == NULL) {
683 globfree(&g);
684 return (-1);
685 }
686 if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
687 S_ISDIR(a->perm)) {
688 globfree(&g);
689 return (do_ls_dir(conn, path, strip_path, lflag));
690 }
691 }
692
693 if (!(lflag & SHORT_VIEW)) {
694 int m = 0, width = 80;
695 struct winsize ws;
696
697 /* Count entries for sort and find longest filename */
698 for (i = 0; g.gl_pathv[i]; i++)
699 m = MAX(m, strlen(g.gl_pathv[i]));
700
701 if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
702 width = ws.ws_col;
703
704 columns = width / (m + 2);
705 columns = MAX(columns, 1);
706 colspace = width / columns;
707 }
708
709 for (i = 0; g.gl_pathv[i]; i++) {
710 char *fname;
711
712 fname = path_strip(g.gl_pathv[i], strip_path);
713
714 if (lflag & LONG_VIEW) {
715 char *lname;
716 struct stat sb;
717
718 /*
719 * XXX: this is slow - 1 roundtrip per path
720 * A solution to this is to fork glob() and
721 * build a sftp specific version which keeps the
722 * attribs (which currently get thrown away)
723 * that the server returns as well as the filenames.
724 */
725 memset(&sb, 0, sizeof(sb));
726 a = do_lstat(conn, g.gl_pathv[i], 1);
727 if (a != NULL)
728 attrib_to_stat(a, &sb);
729 lname = ls_file(fname, &sb, 1);
730 printf("%s\n", lname);
731 xfree(lname);
732 } else {
733 printf("%-*s", colspace, fname);
734 if (c >= columns) {
735 printf("\n");
736 c = 1;
737 } else
738 c++;
739 }
740 xfree(fname);
741 }
742
743 if (!(lflag & LONG_VIEW) && (c != 1))
744 printf("\n");
745
746 if (g.gl_pathc)
747 globfree(&g);
748
749 return (0);
750}
751
752static int
753parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
754 unsigned long *n_arg, char **path1, char **path2)
755{
756 const char *cmd, *cp = *cpp;
757 char *cp2;
758 int base = 0;
759 long l;
760 int i, cmdnum;
761
762 /* Skip leading whitespace */
763 cp = cp + strspn(cp, WHITESPACE);
764
765 /* Ignore blank lines and lines which begin with comment '#' char */
766 if (*cp == '\0' || *cp == '#')
767 return (0);
768
769 /* Check for leading '-' (disable error processing) */
770 *iflag = 0;
771 if (*cp == '-') {
772 *iflag = 1;
773 cp++;
774 }
775
776 /* Figure out which command we have */
777 for (i = 0; cmds[i].c; i++) {
778 int cmdlen = strlen(cmds[i].c);
779
780 /* Check for command followed by whitespace */
781 if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
782 strchr(WHITESPACE, cp[cmdlen])) {
783 cp += cmdlen;
784 cp = cp + strspn(cp, WHITESPACE);
785 break;
786 }
787 }
788 cmdnum = cmds[i].n;
789 cmd = cmds[i].c;
790
791 /* Special case */
792 if (*cp == '!') {
793 cp++;
794 cmdnum = I_SHELL;
795 } else if (cmdnum == -1) {
796 error("Invalid command.");
797 return (-1);
798 }
799
800 /* Get arguments and parse flags */
801 *lflag = *pflag = *n_arg = 0;
802 *path1 = *path2 = NULL;
803 switch (cmdnum) {
804 case I_GET:
805 case I_PUT:
806 if (parse_getput_flags(&cp, pflag))
807 return(-1);
808 /* Get first pathname (mandatory) */
809 if (get_pathname(&cp, path1))
810 return(-1);
811 if (*path1 == NULL) {
812 error("You must specify at least one path after a "
813 "%s command.", cmd);
814 return(-1);
815 }
816 /* Try to get second pathname (optional) */
817 if (get_pathname(&cp, path2))
818 return(-1);
819 break;
820 case I_RENAME:
821 case I_SYMLINK:
822 if (get_pathname(&cp, path1))
823 return(-1);
824 if (get_pathname(&cp, path2))
825 return(-1);
826 if (!*path1 || !*path2) {
827 error("You must specify two paths after a %s "
828 "command.", cmd);
829 return(-1);
830 }
831 break;
832 case I_RM:
833 case I_MKDIR:
834 case I_RMDIR:
835 case I_CHDIR:
836 case I_LCHDIR:
837 case I_LMKDIR:
838 /* Get pathname (mandatory) */
839 if (get_pathname(&cp, path1))
840 return(-1);
841 if (*path1 == NULL) {
842 error("You must specify a path after a %s command.",
843 cmd);
844 return(-1);
845 }
846 break;
847 case I_LS:
848 if (parse_ls_flags(&cp, lflag))
849 return(-1);
850 /* Path is optional */
851 if (get_pathname(&cp, path1))
852 return(-1);
853 break;
854 case I_LLS:
855 case I_SHELL:
856 /* Uses the rest of the line */
857 break;
858 case I_LUMASK:
859 base = 8;
860 case I_CHMOD:
861 base = 8;
862 case I_CHOWN:
863 case I_CHGRP:
864 /* Get numeric arg (mandatory) */
865 l = strtol(cp, &cp2, base);
866 if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
867 errno == ERANGE) || l < 0) {
868 error("You must supply a numeric argument "
869 "to the %s command.", cmd);
870 return(-1);
871 }
872 cp = cp2;
873 *n_arg = l;
874 if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
875 break;
876 if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
877 error("You must supply a numeric argument "
878 "to the %s command.", cmd);
879 return(-1);
880 }
881 cp += strspn(cp, WHITESPACE);
882
883 /* Get pathname (mandatory) */
884 if (get_pathname(&cp, path1))
885 return(-1);
886 if (*path1 == NULL) {
887 error("You must specify a path after a %s command.",
888 cmd);
889 return(-1);
890 }
891 break;
892 case I_QUIT:
893 case I_PWD:
894 case I_LPWD:
895 case I_HELP:
896 case I_VERSION:
897 case I_PROGRESS:
898 break;
899 default:
900 fatal("Command not implemented");
901 }
902
903 *cpp = cp;
904 return(cmdnum);
905}
906
907static int
908parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
909 int err_abort)
910{
911 char *path1, *path2, *tmp;
912 int pflag, lflag, iflag, cmdnum, i;
913 unsigned long n_arg;
914 Attrib a, *aa;
915 char path_buf[MAXPATHLEN];
916 int err = 0;
917 glob_t g;
918
919 path1 = path2 = NULL;
920 cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
921 &path1, &path2);
922
923 if (iflag != 0)
924 err_abort = 0;
925
926 memset(&g, 0, sizeof(g));
927
928 /* Perform command */
929 switch (cmdnum) {
930 case 0:
931 /* Blank line */
932 break;
933 case -1:
934 /* Unrecognized command */
935 err = -1;
936 break;
937 case I_GET:
938 err = process_get(conn, path1, path2, *pwd, pflag);
939 break;
940 case I_PUT:
941 err = process_put(conn, path1, path2, *pwd, pflag);
942 break;
943 case I_RENAME:
944 path1 = make_absolute(path1, *pwd);
945 path2 = make_absolute(path2, *pwd);
946 err = do_rename(conn, path1, path2);
947 break;
948 case I_SYMLINK:
949 path2 = make_absolute(path2, *pwd);
950 err = do_symlink(conn, path1, path2);
951 break;
952 case I_RM:
953 path1 = make_absolute(path1, *pwd);
954 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
955 for (i = 0; g.gl_pathv[i]; i++) {
956 printf("Removing %s\n", g.gl_pathv[i]);
957 err = do_rm(conn, g.gl_pathv[i]);
958 if (err != 0 && err_abort)
959 break;
960 }
961 break;
962 case I_MKDIR:
963 path1 = make_absolute(path1, *pwd);
964 attrib_clear(&a);
965 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
966 a.perm = 0777;
967 err = do_mkdir(conn, path1, &a);
968 break;
969 case I_RMDIR:
970 path1 = make_absolute(path1, *pwd);
971 err = do_rmdir(conn, path1);
972 break;
973 case I_CHDIR:
974 path1 = make_absolute(path1, *pwd);
975 if ((tmp = do_realpath(conn, path1)) == NULL) {
976 err = 1;
977 break;
978 }
979 if ((aa = do_stat(conn, tmp, 0)) == NULL) {
980 xfree(tmp);
981 err = 1;
982 break;
983 }
984 if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
985 error("Can't change directory: Can't check target");
986 xfree(tmp);
987 err = 1;
988 break;
989 }
990 if (!S_ISDIR(aa->perm)) {
991 error("Can't change directory: \"%s\" is not "
992 "a directory", tmp);
993 xfree(tmp);
994 err = 1;
995 break;
996 }
997 xfree(*pwd);
998 *pwd = tmp;
999 break;
1000 case I_LS:
1001 if (!path1) {
1002 do_globbed_ls(conn, *pwd, *pwd, lflag);
1003 break;
1004 }
1005
1006 /* Strip pwd off beginning of non-absolute paths */
1007 tmp = NULL;
1008 if (*path1 != '/')
1009 tmp = *pwd;
1010
1011 path1 = make_absolute(path1, *pwd);
1012 err = do_globbed_ls(conn, path1, tmp, lflag);
1013 break;
1014 case I_LCHDIR:
1015 if (chdir(path1) == -1) {
1016 error("Couldn't change local directory to "
1017 "\"%s\": %s", path1, strerror(errno));
1018 err = 1;
1019 }
1020 break;
1021 case I_LMKDIR:
1022 if (mkdir(path1, 0777) == -1) {
1023 error("Couldn't create local directory "
1024 "\"%s\": %s", path1, strerror(errno));
1025 err = 1;
1026 }
1027 break;
1028 case I_LLS:
1029 local_do_ls(cmd);
1030 break;
1031 case I_SHELL:
1032 local_do_shell(cmd);
1033 break;
1034 case I_LUMASK:
1035 umask(n_arg);
1036 printf("Local umask: %03lo\n", n_arg);
1037 break;
1038 case I_CHMOD:
1039 path1 = make_absolute(path1, *pwd);
1040 attrib_clear(&a);
1041 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1042 a.perm = n_arg;
1043 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1044 for (i = 0; g.gl_pathv[i]; i++) {
1045 printf("Changing mode on %s\n", g.gl_pathv[i]);
1046 err = do_setstat(conn, g.gl_pathv[i], &a);
1047 if (err != 0 && err_abort)
1048 break;
1049 }
1050 break;
1051 case I_CHOWN:
1052 case I_CHGRP:
1053 path1 = make_absolute(path1, *pwd);
1054 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1055 for (i = 0; g.gl_pathv[i]; i++) {
1056 if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1057 if (err != 0 && err_abort)
1058 break;
1059 else
1060 continue;
1061 }
1062 if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1063 error("Can't get current ownership of "
1064 "remote file \"%s\"", g.gl_pathv[i]);
1065 if (err != 0 && err_abort)
1066 break;
1067 else
1068 continue;
1069 }
1070 aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1071 if (cmdnum == I_CHOWN) {
1072 printf("Changing owner on %s\n", g.gl_pathv[i]);
1073 aa->uid = n_arg;
1074 } else {
1075 printf("Changing group on %s\n", g.gl_pathv[i]);
1076 aa->gid = n_arg;
1077 }
1078 err = do_setstat(conn, g.gl_pathv[i], aa);
1079 if (err != 0 && err_abort)
1080 break;
1081 }
1082 break;
1083 case I_PWD:
1084 printf("Remote working directory: %s\n", *pwd);
1085 break;
1086 case I_LPWD:
1087 if (!getcwd(path_buf, sizeof(path_buf))) {
1088 error("Couldn't get local cwd: %s", strerror(errno));
1089 err = -1;
1090 break;
1091 }
1092 printf("Local working directory: %s\n", path_buf);
1093 break;
1094 case I_QUIT:
1095 /* Processed below */
1096 break;
1097 case I_HELP:
1098 help();
1099 break;
1100 case I_VERSION:
1101 printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1102 break;
1103 case I_PROGRESS:
1104 showprogress = !showprogress;
1105 if (showprogress)
1106 printf("Progress meter enabled\n");
1107 else
1108 printf("Progress meter disabled\n");
1109 break;
1110 default:
1111 fatal("%d is not implemented", cmdnum);
1112 }
1113
1114 if (g.gl_pathc)
1115 globfree(&g);
1116 if (path1)
1117 xfree(path1);
1118 if (path2)
1119 xfree(path2);
1120
1121 /* If an unignored error occurs in batch mode we should abort. */
1122 if (err_abort && err != 0)
1123 return (-1);
1124 else if (cmdnum == I_QUIT)
1125 return (1);
1126
1127 return (0);
1128}
1129
1130int
1131interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1132{
1133 char *pwd;
1134 char *dir = NULL;
1135 char cmd[2048];
1136 struct sftp_conn *conn;
1137 int err;
1138
1139 conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
1140 if (conn == NULL)
1141 fatal("Couldn't initialise connection to server");
1142
1143 pwd = do_realpath(conn, ".");
1144 if (pwd == NULL)
1145 fatal("Need cwd");
1146
1147 if (file1 != NULL) {
1148 dir = xstrdup(file1);
1149 dir = make_absolute(dir, pwd);
1150
1151 if (remote_is_dir(conn, dir) && file2 == NULL) {
1152 printf("Changing to: %s\n", dir);
1153 snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1154 if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0)
1155 return (-1);
1156 } else {
1157 if (file2 == NULL)
1158 snprintf(cmd, sizeof cmd, "get %s", dir);
1159 else
1160 snprintf(cmd, sizeof cmd, "get %s %s", dir,
1161 file2);
1162
1163 err = parse_dispatch_command(conn, cmd, &pwd, 1);
1164 xfree(dir);
1165 xfree(pwd);
1166 return (err);
1167 }
1168 xfree(dir);
1169 }
1170
1171#if HAVE_SETVBUF
1172 setvbuf(stdout, NULL, _IOLBF, 0);
1173 setvbuf(infile, NULL, _IOLBF, 0);
1174#else
1175 setlinebuf(stdout);
1176 setlinebuf(infile);
1177#endif
1178
1179 err = 0;
1180 for (;;) {
1181 char *cp;
1182
1183 printf("sftp> ");
1184
1185 /* XXX: use libedit */
1186 if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1187 printf("\n");
1188 break;
1189 }
1190
1191 if (batchmode) /* Echo command */
1192 printf("%s", cmd);
1193
1194 cp = strrchr(cmd, '\n');
1195 if (cp)
1196 *cp = '\0';
1197
1198 err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1199 if (err != 0)
1200 break;
1201 }
1202 xfree(pwd);
1203
1204 /* err == 1 signifies normal "quit" exit */
1205 return (err >= 0 ? 0 : -1);
1206}
Damien Miller62d57f62003-01-10 21:43:24 +11001207
Ben Lindstrombba81212001-06-25 05:01:22 +00001208static void
Damien Millercc685c12003-06-04 22:51:38 +10001209killchild(int signo)
1210{
1211 if (sshpid > 1)
1212 kill(sshpid, signo);
1213
1214 _exit(1);
1215}
1216
1217static void
1218connect_to_server(char *path, char **args, int *in, int *out)
Damien Miller33804262001-02-04 23:20:18 +11001219{
1220 int c_in, c_out;
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001221
Damien Miller33804262001-02-04 23:20:18 +11001222#ifdef USE_PIPES
1223 int pin[2], pout[2];
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001224
Damien Miller33804262001-02-04 23:20:18 +11001225 if ((pipe(pin) == -1) || (pipe(pout) == -1))
1226 fatal("pipe: %s", strerror(errno));
1227 *in = pin[0];
1228 *out = pout[1];
1229 c_in = pout[0];
1230 c_out = pin[1];
1231#else /* USE_PIPES */
1232 int inout[2];
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001233
Damien Miller33804262001-02-04 23:20:18 +11001234 if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1235 fatal("socketpair: %s", strerror(errno));
1236 *in = *out = inout[0];
1237 c_in = c_out = inout[1];
1238#endif /* USE_PIPES */
1239
Damien Millercc685c12003-06-04 22:51:38 +10001240 if ((sshpid = fork()) == -1)
Damien Miller33804262001-02-04 23:20:18 +11001241 fatal("fork: %s", strerror(errno));
Damien Millercc685c12003-06-04 22:51:38 +10001242 else if (sshpid == 0) {
Damien Miller33804262001-02-04 23:20:18 +11001243 if ((dup2(c_in, STDIN_FILENO) == -1) ||
1244 (dup2(c_out, STDOUT_FILENO) == -1)) {
1245 fprintf(stderr, "dup2: %s\n", strerror(errno));
1246 exit(1);
1247 }
1248 close(*in);
1249 close(*out);
1250 close(c_in);
1251 close(c_out);
Damien Millerd14ee1e2002-02-05 12:27:31 +11001252 execv(path, args);
1253 fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
Damien Miller33804262001-02-04 23:20:18 +11001254 exit(1);
1255 }
1256
Damien Millercc685c12003-06-04 22:51:38 +10001257 signal(SIGTERM, killchild);
1258 signal(SIGINT, killchild);
1259 signal(SIGHUP, killchild);
Damien Miller33804262001-02-04 23:20:18 +11001260 close(c_in);
1261 close(c_out);
1262}
1263
Ben Lindstrombba81212001-06-25 05:01:22 +00001264static void
Damien Miller33804262001-02-04 23:20:18 +11001265usage(void)
1266{
Damien Miller025e01c2002-02-08 22:06:29 +11001267 extern char *__progname;
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001268
Ben Lindstrom1e243242001-09-18 05:38:44 +00001269 fprintf(stderr,
Darren Tucker1f203942003-10-15 15:50:42 +10001270 "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1271 " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1272 " [-S program] [-s subsystem | sftp_server] host\n"
1273 " %s [[user@]host[:file [file]]]\n"
1274 " %s [[user@]host[:dir[/]]]\n"
1275 " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
Damien Miller33804262001-02-04 23:20:18 +11001276 exit(1);
1277}
1278
Kevin Stevesef4eea92001-02-05 12:42:17 +00001279int
Damien Miller33804262001-02-04 23:20:18 +11001280main(int argc, char **argv)
1281{
Damien Miller956f3fb2003-01-10 21:40:00 +11001282 int in, out, ch, err;
Ben Lindstrom63667f62001-04-13 00:00:14 +00001283 char *host, *userhost, *cp, *file2;
Ben Lindstrom387c4722001-05-08 20:27:25 +00001284 int debug_level = 0, sshver = 2;
1285 char *file1 = NULL, *sftp_server = NULL;
Damien Millerd14ee1e2002-02-05 12:27:31 +11001286 char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
Ben Lindstrom387c4722001-05-08 20:27:25 +00001287 LogLevel ll = SYSLOG_LEVEL_INFO;
1288 arglist args;
Damien Millerd7686fd2001-02-10 00:40:03 +11001289 extern int optind;
1290 extern char *optarg;
Damien Miller33804262001-02-04 23:20:18 +11001291
Damien Miller59d3d5b2003-08-22 09:34:41 +10001292 __progname = ssh_get_progname(argv[0]);
Ben Lindstrom387c4722001-05-08 20:27:25 +00001293 args.list = NULL;
Damien Miller9f0f5c62001-12-21 14:45:46 +11001294 addargs(&args, "ssh"); /* overwritten with ssh_program */
Ben Lindstrom387c4722001-05-08 20:27:25 +00001295 addargs(&args, "-oForwardX11 no");
1296 addargs(&args, "-oForwardAgent no");
Ben Lindstrom2b7a0e92001-09-20 00:57:55 +00001297 addargs(&args, "-oClearAllForwardings yes");
Damien Millere4f5a822004-01-21 14:11:05 +11001298
Ben Lindstrom387c4722001-05-08 20:27:25 +00001299 ll = SYSLOG_LEVEL_INFO;
Damien Millere4f5a822004-01-21 14:11:05 +11001300 infile = stdin;
Damien Millerd7686fd2001-02-10 00:40:03 +11001301
Damien Miller16a13332002-02-13 14:03:56 +11001302 while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
Damien Millerd7686fd2001-02-10 00:40:03 +11001303 switch (ch) {
1304 case 'C':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001305 addargs(&args, "-C");
Damien Millerd7686fd2001-02-10 00:40:03 +11001306 break;
1307 case 'v':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001308 if (debug_level < 3) {
1309 addargs(&args, "-v");
1310 ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1311 }
1312 debug_level++;
Damien Millerd7686fd2001-02-10 00:40:03 +11001313 break;
Ben Lindstrom1e243242001-09-18 05:38:44 +00001314 case 'F':
Damien Millerd7686fd2001-02-10 00:40:03 +11001315 case 'o':
Ben Lindstrom1e243242001-09-18 05:38:44 +00001316 addargs(&args, "-%c%s", ch, optarg);
Damien Millerd7686fd2001-02-10 00:40:03 +11001317 break;
1318 case '1':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001319 sshver = 1;
Damien Millerd7686fd2001-02-10 00:40:03 +11001320 if (sftp_server == NULL)
1321 sftp_server = _PATH_SFTP_SERVER;
1322 break;
1323 case 's':
1324 sftp_server = optarg;
1325 break;
1326 case 'S':
1327 ssh_program = optarg;
1328 break;
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001329 case 'b':
Damien Miller44f75c12004-01-21 10:58:47 +11001330 if (batchmode)
1331 fatal("Batch file already specified.");
1332
1333 /* Allow "-" as stdin */
1334 if (strcmp(optarg, "-") != 0 &&
1335 (infile = fopen(optarg, "r")) == NULL)
1336 fatal("%s (%s).", strerror(errno), optarg);
Damien Miller62d57f62003-01-10 21:43:24 +11001337 showprogress = 0;
Damien Miller44f75c12004-01-21 10:58:47 +11001338 batchmode = 1;
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001339 break;
Damien Millerd14ee1e2002-02-05 12:27:31 +11001340 case 'P':
1341 sftp_direct = optarg;
1342 break;
Damien Miller8829d362002-02-08 22:04:05 +11001343 case 'B':
1344 copy_buffer_len = strtol(optarg, &cp, 10);
1345 if (copy_buffer_len == 0 || *cp != '\0')
1346 fatal("Invalid buffer size \"%s\"", optarg);
1347 break;
Damien Miller16a13332002-02-13 14:03:56 +11001348 case 'R':
1349 num_requests = strtol(optarg, &cp, 10);
1350 if (num_requests == 0 || *cp != '\0')
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001351 fatal("Invalid number of requests \"%s\"",
Damien Miller16a13332002-02-13 14:03:56 +11001352 optarg);
1353 break;
Damien Millerd7686fd2001-02-10 00:40:03 +11001354 case 'h':
1355 default:
Damien Miller33804262001-02-04 23:20:18 +11001356 usage();
1357 }
1358 }
1359
Damien Millerc0f27d82004-03-08 23:12:19 +11001360 if (!isatty(STDERR_FILENO))
1361 showprogress = 0;
1362
Ben Lindstrom2f3d52a2002-04-02 21:06:18 +00001363 log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1364
Damien Millerd14ee1e2002-02-05 12:27:31 +11001365 if (sftp_direct == NULL) {
1366 if (optind == argc || argc > (optind + 2))
1367 usage();
Damien Miller33804262001-02-04 23:20:18 +11001368
Damien Millerd14ee1e2002-02-05 12:27:31 +11001369 userhost = xstrdup(argv[optind]);
1370 file2 = argv[optind+1];
Ben Lindstrom63667f62001-04-13 00:00:14 +00001371
Ben Lindstromc276c122002-12-23 02:14:51 +00001372 if ((host = strrchr(userhost, '@')) == NULL)
Damien Millerd14ee1e2002-02-05 12:27:31 +11001373 host = userhost;
1374 else {
1375 *host++ = '\0';
1376 if (!userhost[0]) {
1377 fprintf(stderr, "Missing username\n");
1378 usage();
1379 }
1380 addargs(&args, "-l%s",userhost);
1381 }
1382
Damien Millerec692032004-01-27 21:22:00 +11001383 if ((cp = colon(host)) != NULL) {
1384 *cp++ = '\0';
1385 file1 = cp;
1386 }
1387
Damien Millerd14ee1e2002-02-05 12:27:31 +11001388 host = cleanhostname(host);
1389 if (!*host) {
1390 fprintf(stderr, "Missing hostname\n");
Damien Miller33804262001-02-04 23:20:18 +11001391 usage();
1392 }
Damien Millerd14ee1e2002-02-05 12:27:31 +11001393
Damien Millerd14ee1e2002-02-05 12:27:31 +11001394 addargs(&args, "-oProtocol %d", sshver);
1395
1396 /* no subsystem if the server-spec contains a '/' */
1397 if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1398 addargs(&args, "-s");
1399
1400 addargs(&args, "%s", host);
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001401 addargs(&args, "%s", (sftp_server != NULL ?
Damien Millerd14ee1e2002-02-05 12:27:31 +11001402 sftp_server : "sftp"));
1403 args.list[0] = ssh_program;
1404
Damien Miller44f75c12004-01-21 10:58:47 +11001405 if (!batchmode)
1406 fprintf(stderr, "Connecting to %s...\n", host);
Damien Millercc685c12003-06-04 22:51:38 +10001407 connect_to_server(ssh_program, args.list, &in, &out);
Damien Millerd14ee1e2002-02-05 12:27:31 +11001408 } else {
1409 args.list = NULL;
1410 addargs(&args, "sftp-server");
1411
Damien Miller44f75c12004-01-21 10:58:47 +11001412 if (!batchmode)
1413 fprintf(stderr, "Attaching to %s...\n", sftp_direct);
Damien Millercc685c12003-06-04 22:51:38 +10001414 connect_to_server(sftp_direct, args.list, &in, &out);
Damien Miller33804262001-02-04 23:20:18 +11001415 }
1416
Damien Miller956f3fb2003-01-10 21:40:00 +11001417 err = interactive_loop(in, out, file1, file2);
Damien Miller33804262001-02-04 23:20:18 +11001418
Ben Lindstrom10b9bf92001-02-26 20:04:45 +00001419#if !defined(USE_PIPES)
Damien Miller20e1fab2004-02-18 14:30:55 +11001420 shutdown(in, SHUT_RDWR);
1421 shutdown(out, SHUT_RDWR);
Ben Lindstrom10b9bf92001-02-26 20:04:45 +00001422#endif
1423
Damien Miller33804262001-02-04 23:20:18 +11001424 close(in);
1425 close(out);
Damien Miller44f75c12004-01-21 10:58:47 +11001426 if (batchmode)
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001427 fclose(infile);
Damien Miller33804262001-02-04 23:20:18 +11001428
Ben Lindstrom47fd8112002-04-02 20:48:19 +00001429 while (waitpid(sshpid, NULL, 0) == -1)
1430 if (errno != EINTR)
1431 fatal("Couldn't wait for ssh process: %s",
1432 strerror(errno));
Damien Miller33804262001-02-04 23:20:18 +11001433
Damien Miller956f3fb2003-01-10 21:40:00 +11001434 exit(err == 0 ? 0 : 1);
Damien Miller33804262001-02-04 23:20:18 +11001435}