blob: ff3223ad27f2193e094d69500a303c5eb81de6c9 [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 Miller653b93b2005-11-05 15:15:23 +110019RCSID("$OpenBSD: sftp.c,v 1.68 2005/10/31 06:15:04 dtucker Exp $");
Darren Tucker2d963d82004-11-07 20:04:10 +110020
21#ifdef USE_LIBEDIT
22#include <histedit.h>
23#else
24typedef void EditLine;
25#endif
Damien Miller33804262001-02-04 23:20:18 +110026
27#include "buffer.h"
28#include "xmalloc.h"
29#include "log.h"
30#include "pathnames.h"
Ben Lindstrom4529b702001-05-03 23:39:53 +000031#include "misc.h"
Damien Miller33804262001-02-04 23:20:18 +110032
33#include "sftp.h"
34#include "sftp-common.h"
35#include "sftp-client.h"
Damien Millerd7d46bb2004-02-18 14:11:13 +110036
Damien Miller20e1fab2004-02-18 14:30:55 +110037/* File to read commands from */
38FILE* infile;
39
40/* Are we in batchfile mode? */
41int batchmode = 0;
42
43/* Size of buffer used when copying files */
44size_t copy_buffer_len = 32768;
45
46/* Number of concurrent outstanding requests */
47size_t num_requests = 16;
48
49/* PID of ssh transport process */
50static pid_t sshpid = -1;
51
52/* This is set to 0 if the progressmeter is not desired. */
Damien Millerc0f27d82004-03-08 23:12:19 +110053int showprogress = 1;
Damien Miller20e1fab2004-02-18 14:30:55 +110054
Darren Tuckercdf547a2004-05-24 10:12:19 +100055/* SIGINT received during command processing */
56volatile sig_atomic_t interrupted = 0;
57
Darren Tuckerb9123452004-06-22 13:06:45 +100058/* I wish qsort() took a separate ctx for the comparison function...*/
59int sort_flag;
60
Damien Miller20e1fab2004-02-18 14:30:55 +110061int remote_glob(struct sftp_conn *, const char *, int,
62 int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
Damien Miller33804262001-02-04 23:20:18 +110063
Kevin Steves12888d12001-03-05 19:50:57 +000064extern char *__progname;
Kevin Steves12888d12001-03-05 19:50:57 +000065
Damien Miller20e1fab2004-02-18 14:30:55 +110066/* Separators for interactive commands */
67#define WHITESPACE " \t\r\n"
Damien Millerd7686fd2001-02-10 00:40:03 +110068
Darren Tuckerb9123452004-06-22 13:06:45 +100069/* ls flags */
Darren Tuckera4e9ffa2004-06-22 13:07:58 +100070#define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
71#define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
72#define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
73#define LS_NAME_SORT 0x08 /* Sort by name (default) */
74#define LS_TIME_SORT 0x10 /* Sort by mtime */
75#define LS_SIZE_SORT 0x20 /* Sort by file size */
76#define LS_REVERSE_SORT 0x40 /* Reverse sort order */
Darren Tucker9a526452004-06-22 13:09:55 +100077#define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
Darren Tuckerb9123452004-06-22 13:06:45 +100078
Darren Tuckera4e9ffa2004-06-22 13:07:58 +100079#define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
80#define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
Damien Miller20e1fab2004-02-18 14:30:55 +110081
82/* Commands for interactive mode */
83#define I_CHDIR 1
84#define I_CHGRP 2
85#define I_CHMOD 3
86#define I_CHOWN 4
87#define I_GET 5
88#define I_HELP 6
89#define I_LCHDIR 7
90#define I_LLS 8
91#define I_LMKDIR 9
92#define I_LPWD 10
93#define I_LS 11
94#define I_LUMASK 12
95#define I_MKDIR 13
96#define I_PUT 14
97#define I_PWD 15
98#define I_QUIT 16
99#define I_RENAME 17
100#define I_RM 18
101#define I_RMDIR 19
102#define I_SHELL 20
103#define I_SYMLINK 21
104#define I_VERSION 22
105#define I_PROGRESS 23
106
107struct CMD {
108 const char *c;
109 const int n;
110};
111
112static const struct CMD cmds[] = {
113 { "bye", I_QUIT },
114 { "cd", I_CHDIR },
115 { "chdir", I_CHDIR },
116 { "chgrp", I_CHGRP },
117 { "chmod", I_CHMOD },
118 { "chown", I_CHOWN },
119 { "dir", I_LS },
120 { "exit", I_QUIT },
121 { "get", I_GET },
122 { "mget", I_GET },
123 { "help", I_HELP },
124 { "lcd", I_LCHDIR },
125 { "lchdir", I_LCHDIR },
126 { "lls", I_LLS },
127 { "lmkdir", I_LMKDIR },
128 { "ln", I_SYMLINK },
129 { "lpwd", I_LPWD },
130 { "ls", I_LS },
131 { "lumask", I_LUMASK },
132 { "mkdir", I_MKDIR },
133 { "progress", I_PROGRESS },
134 { "put", I_PUT },
135 { "mput", I_PUT },
136 { "pwd", I_PWD },
137 { "quit", I_QUIT },
138 { "rename", I_RENAME },
139 { "rm", I_RM },
140 { "rmdir", I_RMDIR },
141 { "symlink", I_SYMLINK },
142 { "version", I_VERSION },
143 { "!", I_SHELL },
144 { "?", I_HELP },
145 { NULL, -1}
146};
147
148int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
149
150static void
Darren Tuckercdf547a2004-05-24 10:12:19 +1000151killchild(int signo)
152{
Darren Tuckerba66df82005-01-24 21:57:40 +1100153 if (sshpid > 1) {
Darren Tuckercdf547a2004-05-24 10:12:19 +1000154 kill(sshpid, SIGTERM);
Darren Tuckerba66df82005-01-24 21:57:40 +1100155 waitpid(sshpid, NULL, 0);
156 }
Darren Tuckercdf547a2004-05-24 10:12:19 +1000157
158 _exit(1);
159}
160
161static void
162cmd_interrupt(int signo)
163{
164 const char msg[] = "\rInterrupt \n";
Darren Tuckere2f189a2004-12-06 22:45:53 +1100165 int olderrno = errno;
Darren Tuckercdf547a2004-05-24 10:12:19 +1000166
167 write(STDERR_FILENO, msg, sizeof(msg) - 1);
168 interrupted = 1;
Darren Tuckere2f189a2004-12-06 22:45:53 +1100169 errno = olderrno;
Darren Tuckercdf547a2004-05-24 10:12:19 +1000170}
171
172static void
Damien Miller20e1fab2004-02-18 14:30:55 +1100173help(void)
174{
175 printf("Available commands:\n");
176 printf("cd path Change remote directory to 'path'\n");
177 printf("lcd path Change local directory to 'path'\n");
178 printf("chgrp grp path Change group of file 'path' to 'grp'\n");
179 printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
180 printf("chown own path Change owner of file 'path' to 'own'\n");
181 printf("help Display this help text\n");
182 printf("get remote-path [local-path] Download file\n");
183 printf("lls [ls-options [path]] Display local directory listing\n");
184 printf("ln oldpath newpath Symlink remote file\n");
185 printf("lmkdir path Create local directory\n");
186 printf("lpwd Print local working directory\n");
187 printf("ls [path] Display remote directory listing\n");
188 printf("lumask umask Set local umask to 'umask'\n");
189 printf("mkdir path Create remote directory\n");
190 printf("progress Toggle display of progress meter\n");
191 printf("put local-path [remote-path] Upload file\n");
192 printf("pwd Display remote working directory\n");
193 printf("exit Quit sftp\n");
194 printf("quit Quit sftp\n");
195 printf("rename oldpath newpath Rename remote file\n");
196 printf("rmdir path Remove remote directory\n");
197 printf("rm path Delete remote file\n");
198 printf("symlink oldpath newpath Symlink remote file\n");
199 printf("version Show SFTP version\n");
200 printf("!command Execute 'command' in local shell\n");
201 printf("! Escape to local shell\n");
202 printf("? Synonym for help\n");
203}
204
205static void
206local_do_shell(const char *args)
207{
208 int status;
209 char *shell;
210 pid_t pid;
211
212 if (!*args)
213 args = NULL;
214
215 if ((shell = getenv("SHELL")) == NULL)
216 shell = _PATH_BSHELL;
217
218 if ((pid = fork()) == -1)
219 fatal("Couldn't fork: %s", strerror(errno));
220
221 if (pid == 0) {
222 /* XXX: child has pipe fds to ssh subproc open - issue? */
223 if (args) {
224 debug3("Executing %s -c \"%s\"", shell, args);
225 execl(shell, shell, "-c", args, (char *)NULL);
226 } else {
227 debug3("Executing %s", shell);
228 execl(shell, shell, (char *)NULL);
229 }
230 fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
231 strerror(errno));
232 _exit(1);
233 }
234 while (waitpid(pid, &status, 0) == -1)
235 if (errno != EINTR)
236 fatal("Couldn't wait for child: %s", strerror(errno));
237 if (!WIFEXITED(status))
238 error("Shell exited abormally");
239 else if (WEXITSTATUS(status))
240 error("Shell exited with status %d", WEXITSTATUS(status));
241}
242
243static void
244local_do_ls(const char *args)
245{
246 if (!args || !*args)
247 local_do_shell(_PATH_LS);
248 else {
249 int len = strlen(_PATH_LS " ") + strlen(args) + 1;
250 char *buf = xmalloc(len);
251
252 /* XXX: quoting - rip quoting code from ftp? */
253 snprintf(buf, len, _PATH_LS " %s", args);
254 local_do_shell(buf);
255 xfree(buf);
256 }
257}
258
259/* Strip one path (usually the pwd) from the start of another */
260static char *
261path_strip(char *path, char *strip)
262{
263 size_t len;
264
265 if (strip == NULL)
266 return (xstrdup(path));
267
268 len = strlen(strip);
Darren Tuckere2f189a2004-12-06 22:45:53 +1100269 if (strncmp(path, strip, len) == 0) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100270 if (strip[len - 1] != '/' && path[len] == '/')
271 len++;
272 return (xstrdup(path + len));
273 }
274
275 return (xstrdup(path));
276}
277
278static char *
279path_append(char *p1, char *p2)
280{
281 char *ret;
282 int len = strlen(p1) + strlen(p2) + 2;
283
284 ret = xmalloc(len);
285 strlcpy(ret, p1, len);
286 if (p1[strlen(p1) - 1] != '/')
287 strlcat(ret, "/", len);
288 strlcat(ret, p2, len);
289
290 return(ret);
291}
292
293static char *
294make_absolute(char *p, char *pwd)
295{
Darren Tucker3f9fdc72004-06-22 12:56:01 +1000296 char *abs_str;
Damien Miller20e1fab2004-02-18 14:30:55 +1100297
298 /* Derelativise */
299 if (p && p[0] != '/') {
Darren Tucker3f9fdc72004-06-22 12:56:01 +1000300 abs_str = path_append(pwd, p);
Damien Miller20e1fab2004-02-18 14:30:55 +1100301 xfree(p);
Darren Tucker3f9fdc72004-06-22 12:56:01 +1000302 return(abs_str);
Damien Miller20e1fab2004-02-18 14:30:55 +1100303 } else
304 return(p);
305}
306
307static int
308infer_path(const char *p, char **ifp)
309{
310 char *cp;
311
312 cp = strrchr(p, '/');
313 if (cp == NULL) {
314 *ifp = xstrdup(p);
315 return(0);
316 }
317
318 if (!cp[1]) {
319 error("Invalid path");
320 return(-1);
321 }
322
323 *ifp = xstrdup(cp + 1);
324 return(0);
325}
326
327static int
328parse_getput_flags(const char **cpp, int *pflag)
329{
330 const char *cp = *cpp;
331
332 /* Check for flags */
333 if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
334 switch (cp[1]) {
335 case 'p':
336 case 'P':
337 *pflag = 1;
338 break;
339 default:
340 error("Invalid flag -%c", cp[1]);
341 return(-1);
342 }
343 cp += 2;
344 *cpp = cp + strspn(cp, WHITESPACE);
345 }
346
347 return(0);
348}
349
350static int
351parse_ls_flags(const char **cpp, int *lflag)
352{
353 const char *cp = *cpp;
354
Darren Tuckerb9123452004-06-22 13:06:45 +1000355 /* Defaults */
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000356 *lflag = LS_NAME_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000357
Damien Miller20e1fab2004-02-18 14:30:55 +1100358 /* Check for flags */
359 if (cp++[0] == '-') {
Darren Tucker47eede72005-03-14 23:08:12 +1100360 for (; strchr(WHITESPACE, *cp) == NULL; cp++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100361 switch (*cp) {
362 case 'l':
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000363 *lflag &= ~VIEW_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000364 *lflag |= LS_LONG_VIEW;
Damien Miller20e1fab2004-02-18 14:30:55 +1100365 break;
366 case '1':
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000367 *lflag &= ~VIEW_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000368 *lflag |= LS_SHORT_VIEW;
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000369 break;
370 case 'n':
371 *lflag &= ~VIEW_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000372 *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
Damien Miller20e1fab2004-02-18 14:30:55 +1100373 break;
Darren Tuckerb9123452004-06-22 13:06:45 +1000374 case 'S':
375 *lflag &= ~SORT_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000376 *lflag |= LS_SIZE_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000377 break;
378 case 't':
379 *lflag &= ~SORT_FLAGS;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000380 *lflag |= LS_TIME_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000381 break;
382 case 'r':
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000383 *lflag |= LS_REVERSE_SORT;
Darren Tuckerb9123452004-06-22 13:06:45 +1000384 break;
385 case 'f':
386 *lflag &= ~SORT_FLAGS;
387 break;
Darren Tucker9a526452004-06-22 13:09:55 +1000388 case 'a':
389 *lflag |= LS_SHOW_ALL;
390 break;
Damien Miller20e1fab2004-02-18 14:30:55 +1100391 default:
392 error("Invalid flag -%c", *cp);
393 return(-1);
394 }
395 }
396 *cpp = cp + strspn(cp, WHITESPACE);
397 }
398
399 return(0);
400}
401
402static int
403get_pathname(const char **cpp, char **path)
404{
405 const char *cp = *cpp, *end;
406 char quot;
Damien Millereccb9de2005-06-17 12:59:34 +1000407 u_int i, j;
Damien Miller20e1fab2004-02-18 14:30:55 +1100408
409 cp += strspn(cp, WHITESPACE);
410 if (!*cp) {
411 *cpp = cp;
412 *path = NULL;
413 return (0);
414 }
415
416 *path = xmalloc(strlen(cp) + 1);
417
418 /* Check for quoted filenames */
419 if (*cp == '\"' || *cp == '\'') {
420 quot = *cp++;
421
422 /* Search for terminating quote, unescape some chars */
423 for (i = j = 0; i <= strlen(cp); i++) {
424 if (cp[i] == quot) { /* Found quote */
425 i++;
426 (*path)[j] = '\0';
427 break;
428 }
429 if (cp[i] == '\0') { /* End of string */
430 error("Unterminated quote");
431 goto fail;
432 }
433 if (cp[i] == '\\') { /* Escaped characters */
434 i++;
435 if (cp[i] != '\'' && cp[i] != '\"' &&
436 cp[i] != '\\') {
Damien Miller96d6d7d2004-06-26 09:21:06 +1000437 error("Bad escaped character '\\%c'",
Damien Miller20e1fab2004-02-18 14:30:55 +1100438 cp[i]);
439 goto fail;
440 }
441 }
442 (*path)[j++] = cp[i];
443 }
444
445 if (j == 0) {
446 error("Empty quotes");
447 goto fail;
448 }
449 *cpp = cp + i + strspn(cp + i, WHITESPACE);
450 } else {
451 /* Read to end of filename */
452 end = strpbrk(cp, WHITESPACE);
453 if (end == NULL)
454 end = strchr(cp, '\0');
455 *cpp = end + strspn(end, WHITESPACE);
456
457 memcpy(*path, cp, end - cp);
458 (*path)[end - cp] = '\0';
459 }
460 return (0);
461
462 fail:
463 xfree(*path);
464 *path = NULL;
465 return (-1);
466}
467
468static int
469is_dir(char *path)
470{
471 struct stat sb;
472
473 /* XXX: report errors? */
474 if (stat(path, &sb) == -1)
475 return(0);
476
477 return(sb.st_mode & S_IFDIR);
478}
479
480static int
481is_reg(char *path)
482{
483 struct stat sb;
484
485 if (stat(path, &sb) == -1)
486 fatal("stat %s: %s", path, strerror(errno));
487
488 return(S_ISREG(sb.st_mode));
489}
490
491static int
492remote_is_dir(struct sftp_conn *conn, char *path)
493{
494 Attrib *a;
495
496 /* XXX: report errors? */
497 if ((a = do_stat(conn, path, 1)) == NULL)
498 return(0);
499 if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
500 return(0);
501 return(a->perm & S_IFDIR);
502}
503
504static int
505process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
506{
507 char *abs_src = NULL;
508 char *abs_dst = NULL;
509 char *tmp;
510 glob_t g;
511 int err = 0;
512 int i;
513
514 abs_src = xstrdup(src);
515 abs_src = make_absolute(abs_src, pwd);
516
517 memset(&g, 0, sizeof(g));
518 debug3("Looking up %s", abs_src);
519 if (remote_glob(conn, abs_src, 0, NULL, &g)) {
520 error("File \"%s\" not found.", abs_src);
521 err = -1;
522 goto out;
523 }
524
525 /* If multiple matches, dst must be a directory or unspecified */
526 if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
527 error("Multiple files match, but \"%s\" is not a directory",
528 dst);
529 err = -1;
530 goto out;
531 }
532
Darren Tuckercdf547a2004-05-24 10:12:19 +1000533 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100534 if (infer_path(g.gl_pathv[i], &tmp)) {
535 err = -1;
536 goto out;
537 }
538
539 if (g.gl_matchc == 1 && dst) {
540 /* If directory specified, append filename */
541 if (is_dir(dst)) {
542 if (infer_path(g.gl_pathv[0], &tmp)) {
543 err = 1;
544 goto out;
545 }
546 abs_dst = path_append(dst, tmp);
547 xfree(tmp);
548 } else
549 abs_dst = xstrdup(dst);
550 } else if (dst) {
551 abs_dst = path_append(dst, tmp);
552 xfree(tmp);
553 } else
554 abs_dst = tmp;
555
556 printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
557 if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
558 err = -1;
559 xfree(abs_dst);
560 abs_dst = NULL;
561 }
562
563out:
564 xfree(abs_src);
565 if (abs_dst)
566 xfree(abs_dst);
567 globfree(&g);
568 return(err);
569}
570
571static int
572process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
573{
574 char *tmp_dst = NULL;
575 char *abs_dst = NULL;
576 char *tmp;
577 glob_t g;
578 int err = 0;
579 int i;
580
581 if (dst) {
582 tmp_dst = xstrdup(dst);
583 tmp_dst = make_absolute(tmp_dst, pwd);
584 }
585
586 memset(&g, 0, sizeof(g));
587 debug3("Looking up %s", src);
588 if (glob(src, 0, NULL, &g)) {
589 error("File \"%s\" not found.", src);
590 err = -1;
591 goto out;
592 }
593
594 /* If multiple matches, dst may be directory or unspecified */
595 if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
596 error("Multiple files match, but \"%s\" is not a directory",
597 tmp_dst);
598 err = -1;
599 goto out;
600 }
601
Darren Tuckercdf547a2004-05-24 10:12:19 +1000602 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100603 if (!is_reg(g.gl_pathv[i])) {
604 error("skipping non-regular file %s",
605 g.gl_pathv[i]);
606 continue;
607 }
608 if (infer_path(g.gl_pathv[i], &tmp)) {
609 err = -1;
610 goto out;
611 }
612
613 if (g.gl_matchc == 1 && tmp_dst) {
614 /* If directory specified, append filename */
615 if (remote_is_dir(conn, tmp_dst)) {
616 if (infer_path(g.gl_pathv[0], &tmp)) {
617 err = 1;
618 goto out;
619 }
620 abs_dst = path_append(tmp_dst, tmp);
621 xfree(tmp);
622 } else
623 abs_dst = xstrdup(tmp_dst);
624
625 } else if (tmp_dst) {
626 abs_dst = path_append(tmp_dst, tmp);
627 xfree(tmp);
628 } else
629 abs_dst = make_absolute(tmp, pwd);
630
631 printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
632 if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
633 err = -1;
634 }
635
636out:
637 if (abs_dst)
638 xfree(abs_dst);
639 if (tmp_dst)
640 xfree(tmp_dst);
641 globfree(&g);
642 return(err);
643}
644
645static int
646sdirent_comp(const void *aa, const void *bb)
647{
648 SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
649 SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000650 int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
Damien Miller20e1fab2004-02-18 14:30:55 +1100651
Darren Tuckerb9123452004-06-22 13:06:45 +1000652#define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000653 if (sort_flag & LS_NAME_SORT)
Darren Tuckerb9123452004-06-22 13:06:45 +1000654 return (rmul * strcmp(a->filename, b->filename));
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000655 else if (sort_flag & LS_TIME_SORT)
Darren Tuckerb9123452004-06-22 13:06:45 +1000656 return (rmul * NCMP(a->a.mtime, b->a.mtime));
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000657 else if (sort_flag & LS_SIZE_SORT)
Darren Tuckerb9123452004-06-22 13:06:45 +1000658 return (rmul * NCMP(a->a.size, b->a.size));
659
660 fatal("Unknown ls sort type");
Damien Miller20e1fab2004-02-18 14:30:55 +1100661}
662
663/* sftp ls.1 replacement for directories */
664static int
665do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
666{
Damien Millereccb9de2005-06-17 12:59:34 +1000667 int n;
668 u_int c = 1, colspace = 0, columns = 1;
Damien Miller20e1fab2004-02-18 14:30:55 +1100669 SFTP_DIRENT **d;
670
671 if ((n = do_readdir(conn, path, &d)) != 0)
672 return (n);
673
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000674 if (!(lflag & LS_SHORT_VIEW)) {
Damien Millereccb9de2005-06-17 12:59:34 +1000675 u_int m = 0, width = 80;
Damien Miller20e1fab2004-02-18 14:30:55 +1100676 struct winsize ws;
677 char *tmp;
678
679 /* Count entries for sort and find longest filename */
Darren Tucker9a526452004-06-22 13:09:55 +1000680 for (n = 0; d[n] != NULL; n++) {
681 if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
682 m = MAX(m, strlen(d[n]->filename));
683 }
Damien Miller20e1fab2004-02-18 14:30:55 +1100684
685 /* Add any subpath that also needs to be counted */
686 tmp = path_strip(path, strip_path);
687 m += strlen(tmp);
688 xfree(tmp);
689
690 if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
691 width = ws.ws_col;
692
693 columns = width / (m + 2);
694 columns = MAX(columns, 1);
695 colspace = width / columns;
696 colspace = MIN(colspace, width);
697 }
698
Darren Tuckerb9123452004-06-22 13:06:45 +1000699 if (lflag & SORT_FLAGS) {
Damien Miller653b93b2005-11-05 15:15:23 +1100700 for (n = 0; d[n] != NULL; n++)
701 ; /* count entries */
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000702 sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
Darren Tuckerb9123452004-06-22 13:06:45 +1000703 qsort(d, n, sizeof(*d), sdirent_comp);
704 }
Damien Miller20e1fab2004-02-18 14:30:55 +1100705
Darren Tuckercdf547a2004-05-24 10:12:19 +1000706 for (n = 0; d[n] != NULL && !interrupted; n++) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100707 char *tmp, *fname;
708
Darren Tucker9a526452004-06-22 13:09:55 +1000709 if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
710 continue;
711
Damien Miller20e1fab2004-02-18 14:30:55 +1100712 tmp = path_append(path, d[n]->filename);
713 fname = path_strip(tmp, strip_path);
714 xfree(tmp);
715
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000716 if (lflag & LS_LONG_VIEW) {
717 if (lflag & LS_NUMERIC_VIEW) {
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000718 char *lname;
719 struct stat sb;
Damien Miller20e1fab2004-02-18 14:30:55 +1100720
Darren Tuckerb215c5d2004-06-22 12:30:53 +1000721 memset(&sb, 0, sizeof(sb));
722 attrib_to_stat(&d[n]->a, &sb);
723 lname = ls_file(fname, &sb, 1);
724 printf("%s\n", lname);
725 xfree(lname);
726 } else
727 printf("%s\n", d[n]->longname);
Damien Miller20e1fab2004-02-18 14:30:55 +1100728 } else {
729 printf("%-*s", colspace, fname);
730 if (c >= columns) {
731 printf("\n");
732 c = 1;
733 } else
734 c++;
735 }
736
737 xfree(fname);
738 }
739
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000740 if (!(lflag & LS_LONG_VIEW) && (c != 1))
Damien Miller20e1fab2004-02-18 14:30:55 +1100741 printf("\n");
742
743 free_sftp_dirents(d);
744 return (0);
745}
746
747/* sftp ls.1 replacement which handles path globs */
748static int
749do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
750 int lflag)
751{
752 glob_t g;
Damien Millereccb9de2005-06-17 12:59:34 +1000753 u_int i, c = 1, colspace = 0, columns = 1;
Darren Tucker596dcfa2004-12-11 13:37:22 +1100754 Attrib *a = NULL;
Damien Miller20e1fab2004-02-18 14:30:55 +1100755
756 memset(&g, 0, sizeof(g));
757
758 if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
Darren Tucker596dcfa2004-12-11 13:37:22 +1100759 NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
760 if (g.gl_pathc)
761 globfree(&g);
Damien Miller20e1fab2004-02-18 14:30:55 +1100762 error("Can't ls: \"%s\" not found", path);
763 return (-1);
764 }
765
Darren Tuckercdf547a2004-05-24 10:12:19 +1000766 if (interrupted)
767 goto out;
768
Damien Miller20e1fab2004-02-18 14:30:55 +1100769 /*
Darren Tucker596dcfa2004-12-11 13:37:22 +1100770 * If the glob returns a single match and it is a directory,
771 * then just list its contents.
Damien Miller20e1fab2004-02-18 14:30:55 +1100772 */
Darren Tucker596dcfa2004-12-11 13:37:22 +1100773 if (g.gl_matchc == 1) {
774 if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100775 globfree(&g);
776 return (-1);
777 }
778 if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
779 S_ISDIR(a->perm)) {
Darren Tucker596dcfa2004-12-11 13:37:22 +1100780 int err;
781
782 err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
Damien Miller20e1fab2004-02-18 14:30:55 +1100783 globfree(&g);
Darren Tucker596dcfa2004-12-11 13:37:22 +1100784 return (err);
Damien Miller20e1fab2004-02-18 14:30:55 +1100785 }
786 }
787
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000788 if (!(lflag & LS_SHORT_VIEW)) {
Damien Millereccb9de2005-06-17 12:59:34 +1000789 u_int m = 0, width = 80;
Damien Miller20e1fab2004-02-18 14:30:55 +1100790 struct winsize ws;
791
792 /* Count entries for sort and find longest filename */
793 for (i = 0; g.gl_pathv[i]; i++)
794 m = MAX(m, strlen(g.gl_pathv[i]));
795
796 if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
797 width = ws.ws_col;
798
799 columns = width / (m + 2);
800 columns = MAX(columns, 1);
801 colspace = width / columns;
802 }
803
Darren Tucker596dcfa2004-12-11 13:37:22 +1100804 for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100805 char *fname;
806
807 fname = path_strip(g.gl_pathv[i], strip_path);
808
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000809 if (lflag & LS_LONG_VIEW) {
Damien Miller20e1fab2004-02-18 14:30:55 +1100810 char *lname;
811 struct stat sb;
812
813 /*
814 * XXX: this is slow - 1 roundtrip per path
815 * A solution to this is to fork glob() and
816 * build a sftp specific version which keeps the
817 * attribs (which currently get thrown away)
818 * that the server returns as well as the filenames.
819 */
820 memset(&sb, 0, sizeof(sb));
Darren Tucker596dcfa2004-12-11 13:37:22 +1100821 if (a == NULL)
822 a = do_lstat(conn, g.gl_pathv[i], 1);
Damien Miller20e1fab2004-02-18 14:30:55 +1100823 if (a != NULL)
824 attrib_to_stat(a, &sb);
825 lname = ls_file(fname, &sb, 1);
826 printf("%s\n", lname);
827 xfree(lname);
828 } else {
829 printf("%-*s", colspace, fname);
830 if (c >= columns) {
831 printf("\n");
832 c = 1;
833 } else
834 c++;
835 }
836 xfree(fname);
837 }
838
Darren Tuckera4e9ffa2004-06-22 13:07:58 +1000839 if (!(lflag & LS_LONG_VIEW) && (c != 1))
Damien Miller20e1fab2004-02-18 14:30:55 +1100840 printf("\n");
841
Darren Tuckercdf547a2004-05-24 10:12:19 +1000842 out:
Damien Miller20e1fab2004-02-18 14:30:55 +1100843 if (g.gl_pathc)
844 globfree(&g);
845
846 return (0);
847}
848
849static int
850parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
851 unsigned long *n_arg, char **path1, char **path2)
852{
853 const char *cmd, *cp = *cpp;
854 char *cp2;
855 int base = 0;
856 long l;
857 int i, cmdnum;
858
859 /* Skip leading whitespace */
860 cp = cp + strspn(cp, WHITESPACE);
861
862 /* Ignore blank lines and lines which begin with comment '#' char */
863 if (*cp == '\0' || *cp == '#')
864 return (0);
865
866 /* Check for leading '-' (disable error processing) */
867 *iflag = 0;
868 if (*cp == '-') {
869 *iflag = 1;
870 cp++;
871 }
872
873 /* Figure out which command we have */
874 for (i = 0; cmds[i].c; i++) {
875 int cmdlen = strlen(cmds[i].c);
876
877 /* Check for command followed by whitespace */
878 if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
879 strchr(WHITESPACE, cp[cmdlen])) {
880 cp += cmdlen;
881 cp = cp + strspn(cp, WHITESPACE);
882 break;
883 }
884 }
885 cmdnum = cmds[i].n;
886 cmd = cmds[i].c;
887
888 /* Special case */
889 if (*cp == '!') {
890 cp++;
891 cmdnum = I_SHELL;
892 } else if (cmdnum == -1) {
893 error("Invalid command.");
894 return (-1);
895 }
896
897 /* Get arguments and parse flags */
898 *lflag = *pflag = *n_arg = 0;
899 *path1 = *path2 = NULL;
900 switch (cmdnum) {
901 case I_GET:
902 case I_PUT:
903 if (parse_getput_flags(&cp, pflag))
904 return(-1);
905 /* Get first pathname (mandatory) */
906 if (get_pathname(&cp, path1))
907 return(-1);
908 if (*path1 == NULL) {
909 error("You must specify at least one path after a "
910 "%s command.", cmd);
911 return(-1);
912 }
913 /* Try to get second pathname (optional) */
914 if (get_pathname(&cp, path2))
915 return(-1);
916 break;
917 case I_RENAME:
918 case I_SYMLINK:
919 if (get_pathname(&cp, path1))
920 return(-1);
921 if (get_pathname(&cp, path2))
922 return(-1);
923 if (!*path1 || !*path2) {
924 error("You must specify two paths after a %s "
925 "command.", cmd);
926 return(-1);
927 }
928 break;
929 case I_RM:
930 case I_MKDIR:
931 case I_RMDIR:
932 case I_CHDIR:
933 case I_LCHDIR:
934 case I_LMKDIR:
935 /* Get pathname (mandatory) */
936 if (get_pathname(&cp, path1))
937 return(-1);
938 if (*path1 == NULL) {
939 error("You must specify a path after a %s command.",
940 cmd);
941 return(-1);
942 }
943 break;
944 case I_LS:
945 if (parse_ls_flags(&cp, lflag))
946 return(-1);
947 /* Path is optional */
948 if (get_pathname(&cp, path1))
949 return(-1);
950 break;
951 case I_LLS:
952 case I_SHELL:
953 /* Uses the rest of the line */
954 break;
955 case I_LUMASK:
956 base = 8;
957 case I_CHMOD:
958 base = 8;
959 case I_CHOWN:
960 case I_CHGRP:
961 /* Get numeric arg (mandatory) */
962 l = strtol(cp, &cp2, base);
963 if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
964 errno == ERANGE) || l < 0) {
965 error("You must supply a numeric argument "
966 "to the %s command.", cmd);
967 return(-1);
968 }
969 cp = cp2;
970 *n_arg = l;
971 if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
972 break;
973 if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
974 error("You must supply a numeric argument "
975 "to the %s command.", cmd);
976 return(-1);
977 }
978 cp += strspn(cp, WHITESPACE);
979
980 /* Get pathname (mandatory) */
981 if (get_pathname(&cp, path1))
982 return(-1);
983 if (*path1 == NULL) {
984 error("You must specify a path after a %s command.",
985 cmd);
986 return(-1);
987 }
988 break;
989 case I_QUIT:
990 case I_PWD:
991 case I_LPWD:
992 case I_HELP:
993 case I_VERSION:
994 case I_PROGRESS:
995 break;
996 default:
997 fatal("Command not implemented");
998 }
999
1000 *cpp = cp;
1001 return(cmdnum);
1002}
1003
1004static int
1005parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1006 int err_abort)
1007{
1008 char *path1, *path2, *tmp;
1009 int pflag, lflag, iflag, cmdnum, i;
1010 unsigned long n_arg;
1011 Attrib a, *aa;
1012 char path_buf[MAXPATHLEN];
1013 int err = 0;
1014 glob_t g;
1015
1016 path1 = path2 = NULL;
1017 cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
1018 &path1, &path2);
1019
1020 if (iflag != 0)
1021 err_abort = 0;
1022
1023 memset(&g, 0, sizeof(g));
1024
1025 /* Perform command */
1026 switch (cmdnum) {
1027 case 0:
1028 /* Blank line */
1029 break;
1030 case -1:
1031 /* Unrecognized command */
1032 err = -1;
1033 break;
1034 case I_GET:
1035 err = process_get(conn, path1, path2, *pwd, pflag);
1036 break;
1037 case I_PUT:
1038 err = process_put(conn, path1, path2, *pwd, pflag);
1039 break;
1040 case I_RENAME:
1041 path1 = make_absolute(path1, *pwd);
1042 path2 = make_absolute(path2, *pwd);
1043 err = do_rename(conn, path1, path2);
1044 break;
1045 case I_SYMLINK:
1046 path2 = make_absolute(path2, *pwd);
1047 err = do_symlink(conn, path1, path2);
1048 break;
1049 case I_RM:
1050 path1 = make_absolute(path1, *pwd);
1051 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001052 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +11001053 printf("Removing %s\n", g.gl_pathv[i]);
1054 err = do_rm(conn, g.gl_pathv[i]);
1055 if (err != 0 && err_abort)
1056 break;
1057 }
1058 break;
1059 case I_MKDIR:
1060 path1 = make_absolute(path1, *pwd);
1061 attrib_clear(&a);
1062 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1063 a.perm = 0777;
1064 err = do_mkdir(conn, path1, &a);
1065 break;
1066 case I_RMDIR:
1067 path1 = make_absolute(path1, *pwd);
1068 err = do_rmdir(conn, path1);
1069 break;
1070 case I_CHDIR:
1071 path1 = make_absolute(path1, *pwd);
1072 if ((tmp = do_realpath(conn, path1)) == NULL) {
1073 err = 1;
1074 break;
1075 }
1076 if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1077 xfree(tmp);
1078 err = 1;
1079 break;
1080 }
1081 if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1082 error("Can't change directory: Can't check target");
1083 xfree(tmp);
1084 err = 1;
1085 break;
1086 }
1087 if (!S_ISDIR(aa->perm)) {
1088 error("Can't change directory: \"%s\" is not "
1089 "a directory", tmp);
1090 xfree(tmp);
1091 err = 1;
1092 break;
1093 }
1094 xfree(*pwd);
1095 *pwd = tmp;
1096 break;
1097 case I_LS:
1098 if (!path1) {
1099 do_globbed_ls(conn, *pwd, *pwd, lflag);
1100 break;
1101 }
1102
1103 /* Strip pwd off beginning of non-absolute paths */
1104 tmp = NULL;
1105 if (*path1 != '/')
1106 tmp = *pwd;
1107
1108 path1 = make_absolute(path1, *pwd);
1109 err = do_globbed_ls(conn, path1, tmp, lflag);
1110 break;
1111 case I_LCHDIR:
1112 if (chdir(path1) == -1) {
1113 error("Couldn't change local directory to "
1114 "\"%s\": %s", path1, strerror(errno));
1115 err = 1;
1116 }
1117 break;
1118 case I_LMKDIR:
1119 if (mkdir(path1, 0777) == -1) {
1120 error("Couldn't create local directory "
1121 "\"%s\": %s", path1, strerror(errno));
1122 err = 1;
1123 }
1124 break;
1125 case I_LLS:
1126 local_do_ls(cmd);
1127 break;
1128 case I_SHELL:
1129 local_do_shell(cmd);
1130 break;
1131 case I_LUMASK:
1132 umask(n_arg);
1133 printf("Local umask: %03lo\n", n_arg);
1134 break;
1135 case I_CHMOD:
1136 path1 = make_absolute(path1, *pwd);
1137 attrib_clear(&a);
1138 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1139 a.perm = n_arg;
1140 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001141 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +11001142 printf("Changing mode on %s\n", g.gl_pathv[i]);
1143 err = do_setstat(conn, g.gl_pathv[i], &a);
1144 if (err != 0 && err_abort)
1145 break;
1146 }
1147 break;
1148 case I_CHOWN:
1149 case I_CHGRP:
1150 path1 = make_absolute(path1, *pwd);
1151 remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001152 for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
Damien Miller20e1fab2004-02-18 14:30:55 +11001153 if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1154 if (err != 0 && err_abort)
1155 break;
1156 else
1157 continue;
1158 }
1159 if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1160 error("Can't get current ownership of "
1161 "remote file \"%s\"", g.gl_pathv[i]);
1162 if (err != 0 && err_abort)
1163 break;
1164 else
1165 continue;
1166 }
1167 aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1168 if (cmdnum == I_CHOWN) {
1169 printf("Changing owner on %s\n", g.gl_pathv[i]);
1170 aa->uid = n_arg;
1171 } else {
1172 printf("Changing group on %s\n", g.gl_pathv[i]);
1173 aa->gid = n_arg;
1174 }
1175 err = do_setstat(conn, g.gl_pathv[i], aa);
1176 if (err != 0 && err_abort)
1177 break;
1178 }
1179 break;
1180 case I_PWD:
1181 printf("Remote working directory: %s\n", *pwd);
1182 break;
1183 case I_LPWD:
1184 if (!getcwd(path_buf, sizeof(path_buf))) {
1185 error("Couldn't get local cwd: %s", strerror(errno));
1186 err = -1;
1187 break;
1188 }
1189 printf("Local working directory: %s\n", path_buf);
1190 break;
1191 case I_QUIT:
1192 /* Processed below */
1193 break;
1194 case I_HELP:
1195 help();
1196 break;
1197 case I_VERSION:
1198 printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1199 break;
1200 case I_PROGRESS:
1201 showprogress = !showprogress;
1202 if (showprogress)
1203 printf("Progress meter enabled\n");
1204 else
1205 printf("Progress meter disabled\n");
1206 break;
1207 default:
1208 fatal("%d is not implemented", cmdnum);
1209 }
1210
1211 if (g.gl_pathc)
1212 globfree(&g);
1213 if (path1)
1214 xfree(path1);
1215 if (path2)
1216 xfree(path2);
1217
1218 /* If an unignored error occurs in batch mode we should abort. */
1219 if (err_abort && err != 0)
1220 return (-1);
1221 else if (cmdnum == I_QUIT)
1222 return (1);
1223
1224 return (0);
1225}
1226
Darren Tucker2d963d82004-11-07 20:04:10 +11001227#ifdef USE_LIBEDIT
1228static char *
1229prompt(EditLine *el)
1230{
1231 return ("sftp> ");
1232}
1233#endif
1234
Damien Miller20e1fab2004-02-18 14:30:55 +11001235int
1236interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1237{
1238 char *pwd;
1239 char *dir = NULL;
1240 char cmd[2048];
1241 struct sftp_conn *conn;
Damien Miller0e2c1022005-08-12 22:16:22 +10001242 int err, interactive;
Darren Tucker2d963d82004-11-07 20:04:10 +11001243 EditLine *el = NULL;
1244#ifdef USE_LIBEDIT
1245 History *hl = NULL;
1246 HistEvent hev;
1247 extern char *__progname;
1248
1249 if (!batchmode && isatty(STDIN_FILENO)) {
1250 if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1251 fatal("Couldn't initialise editline");
1252 if ((hl = history_init()) == NULL)
1253 fatal("Couldn't initialise editline history");
1254 history(hl, &hev, H_SETSIZE, 100);
1255 el_set(el, EL_HIST, history, hl);
1256
1257 el_set(el, EL_PROMPT, prompt);
1258 el_set(el, EL_EDITOR, "emacs");
1259 el_set(el, EL_TERMINAL, NULL);
1260 el_set(el, EL_SIGNAL, 1);
1261 el_source(el, NULL);
1262 }
1263#endif /* USE_LIBEDIT */
Damien Miller20e1fab2004-02-18 14:30:55 +11001264
1265 conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
1266 if (conn == NULL)
1267 fatal("Couldn't initialise connection to server");
1268
1269 pwd = do_realpath(conn, ".");
1270 if (pwd == NULL)
1271 fatal("Need cwd");
1272
1273 if (file1 != NULL) {
1274 dir = xstrdup(file1);
1275 dir = make_absolute(dir, pwd);
1276
1277 if (remote_is_dir(conn, dir) && file2 == NULL) {
1278 printf("Changing to: %s\n", dir);
1279 snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
Darren Tuckercd516ef2004-12-06 22:43:43 +11001280 if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
1281 xfree(dir);
1282 xfree(pwd);
Damien Miller20e1fab2004-02-18 14:30:55 +11001283 return (-1);
Darren Tuckercd516ef2004-12-06 22:43:43 +11001284 }
Damien Miller20e1fab2004-02-18 14:30:55 +11001285 } else {
1286 if (file2 == NULL)
1287 snprintf(cmd, sizeof cmd, "get %s", dir);
1288 else
1289 snprintf(cmd, sizeof cmd, "get %s %s", dir,
1290 file2);
1291
1292 err = parse_dispatch_command(conn, cmd, &pwd, 1);
1293 xfree(dir);
1294 xfree(pwd);
1295 return (err);
1296 }
1297 xfree(dir);
1298 }
1299
Darren Tucker93e7e8f2005-08-23 08:06:55 +10001300#if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF)
Damien Miller20e1fab2004-02-18 14:30:55 +11001301 setvbuf(stdout, NULL, _IOLBF, 0);
1302 setvbuf(infile, NULL, _IOLBF, 0);
1303#else
Damien Miller37294fb2005-07-17 17:18:49 +10001304 setlinebuf(stdout);
1305 setlinebuf(infile);
Damien Miller20e1fab2004-02-18 14:30:55 +11001306#endif
1307
Damien Miller0e2c1022005-08-12 22:16:22 +10001308 interactive = !batchmode && isatty(STDIN_FILENO);
Damien Miller20e1fab2004-02-18 14:30:55 +11001309 err = 0;
1310 for (;;) {
1311 char *cp;
1312
Darren Tuckercdf547a2004-05-24 10:12:19 +10001313 signal(SIGINT, SIG_IGN);
1314
Darren Tucker2d963d82004-11-07 20:04:10 +11001315 if (el == NULL) {
Damien Miller0e2c1022005-08-12 22:16:22 +10001316 if (interactive)
1317 printf("sftp> ");
Darren Tucker2d963d82004-11-07 20:04:10 +11001318 if (fgets(cmd, sizeof(cmd), infile) == NULL) {
Damien Miller0e2c1022005-08-12 22:16:22 +10001319 if (interactive)
1320 printf("\n");
Darren Tucker2d963d82004-11-07 20:04:10 +11001321 break;
1322 }
Damien Miller0e2c1022005-08-12 22:16:22 +10001323 if (!interactive) { /* Echo command */
1324 printf("sftp> %s", cmd);
1325 if (strlen(cmd) > 0 &&
1326 cmd[strlen(cmd) - 1] != '\n')
1327 printf("\n");
1328 }
Darren Tucker2d963d82004-11-07 20:04:10 +11001329 } else {
1330#ifdef USE_LIBEDIT
1331 const char *line;
1332 int count = 0;
Damien Miller20e1fab2004-02-18 14:30:55 +11001333
Damien Miller0e2c1022005-08-12 22:16:22 +10001334 if ((line = el_gets(el, &count)) == NULL || count <= 0) {
1335 printf("\n");
1336 break;
1337 }
Darren Tucker2d963d82004-11-07 20:04:10 +11001338 history(hl, &hev, H_ENTER, line);
1339 if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1340 fprintf(stderr, "Error: input line too long\n");
1341 continue;
1342 }
1343#endif /* USE_LIBEDIT */
Damien Miller20e1fab2004-02-18 14:30:55 +11001344 }
1345
Damien Miller20e1fab2004-02-18 14:30:55 +11001346 cp = strrchr(cmd, '\n');
1347 if (cp)
1348 *cp = '\0';
1349
Darren Tuckercdf547a2004-05-24 10:12:19 +10001350 /* Handle user interrupts gracefully during commands */
1351 interrupted = 0;
1352 signal(SIGINT, cmd_interrupt);
1353
Damien Miller20e1fab2004-02-18 14:30:55 +11001354 err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1355 if (err != 0)
1356 break;
1357 }
1358 xfree(pwd);
1359
Tim Rice027e8b12005-08-15 14:52:50 -07001360#ifdef USE_LIBEDIT
Damien Miller0e2c1022005-08-12 22:16:22 +10001361 if (el != NULL)
1362 el_end(el);
Tim Rice027e8b12005-08-15 14:52:50 -07001363#endif /* USE_LIBEDIT */
Damien Miller0e2c1022005-08-12 22:16:22 +10001364
Damien Miller20e1fab2004-02-18 14:30:55 +11001365 /* err == 1 signifies normal "quit" exit */
1366 return (err >= 0 ? 0 : -1);
1367}
Damien Miller62d57f62003-01-10 21:43:24 +11001368
Ben Lindstrombba81212001-06-25 05:01:22 +00001369static void
Damien Millercc685c12003-06-04 22:51:38 +10001370connect_to_server(char *path, char **args, int *in, int *out)
Damien Miller33804262001-02-04 23:20:18 +11001371{
1372 int c_in, c_out;
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001373
Damien Miller33804262001-02-04 23:20:18 +11001374#ifdef USE_PIPES
1375 int pin[2], pout[2];
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001376
Damien Miller33804262001-02-04 23:20:18 +11001377 if ((pipe(pin) == -1) || (pipe(pout) == -1))
1378 fatal("pipe: %s", strerror(errno));
1379 *in = pin[0];
1380 *out = pout[1];
1381 c_in = pout[0];
1382 c_out = pin[1];
1383#else /* USE_PIPES */
1384 int inout[2];
Ben Lindstromb1f483f2002-06-23 21:27:18 +00001385
Damien Miller33804262001-02-04 23:20:18 +11001386 if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1387 fatal("socketpair: %s", strerror(errno));
1388 *in = *out = inout[0];
1389 c_in = c_out = inout[1];
1390#endif /* USE_PIPES */
1391
Damien Millercc685c12003-06-04 22:51:38 +10001392 if ((sshpid = fork()) == -1)
Damien Miller33804262001-02-04 23:20:18 +11001393 fatal("fork: %s", strerror(errno));
Damien Millercc685c12003-06-04 22:51:38 +10001394 else if (sshpid == 0) {
Damien Miller33804262001-02-04 23:20:18 +11001395 if ((dup2(c_in, STDIN_FILENO) == -1) ||
1396 (dup2(c_out, STDOUT_FILENO) == -1)) {
1397 fprintf(stderr, "dup2: %s\n", strerror(errno));
Damien Miller350327c2004-06-15 10:24:13 +10001398 _exit(1);
Damien Miller33804262001-02-04 23:20:18 +11001399 }
1400 close(*in);
1401 close(*out);
1402 close(c_in);
1403 close(c_out);
Darren Tuckercdf547a2004-05-24 10:12:19 +10001404
1405 /*
1406 * The underlying ssh is in the same process group, so we must
Darren Tuckerfc959702004-07-17 16:12:08 +10001407 * ignore SIGINT if we want to gracefully abort commands,
1408 * otherwise the signal will make it to the ssh process and
Darren Tuckercdf547a2004-05-24 10:12:19 +10001409 * kill it too
1410 */
1411 signal(SIGINT, SIG_IGN);
Darren Tuckerbd12f172004-06-18 16:23:43 +10001412 execvp(path, args);
Damien Millerd14ee1e2002-02-05 12:27:31 +11001413 fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
Damien Miller350327c2004-06-15 10:24:13 +10001414 _exit(1);
Damien Miller33804262001-02-04 23:20:18 +11001415 }
1416
Damien Millercc685c12003-06-04 22:51:38 +10001417 signal(SIGTERM, killchild);
1418 signal(SIGINT, killchild);
1419 signal(SIGHUP, killchild);
Damien Miller33804262001-02-04 23:20:18 +11001420 close(c_in);
1421 close(c_out);
1422}
1423
Ben Lindstrombba81212001-06-25 05:01:22 +00001424static void
Damien Miller33804262001-02-04 23:20:18 +11001425usage(void)
1426{
Damien Miller025e01c2002-02-08 22:06:29 +11001427 extern char *__progname;
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001428
Ben Lindstrom1e243242001-09-18 05:38:44 +00001429 fprintf(stderr,
Darren Tucker1f203942003-10-15 15:50:42 +10001430 "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1431 " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1432 " [-S program] [-s subsystem | sftp_server] host\n"
1433 " %s [[user@]host[:file [file]]]\n"
1434 " %s [[user@]host[:dir[/]]]\n"
1435 " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
Damien Miller33804262001-02-04 23:20:18 +11001436 exit(1);
1437}
1438
Kevin Stevesef4eea92001-02-05 12:42:17 +00001439int
Damien Miller33804262001-02-04 23:20:18 +11001440main(int argc, char **argv)
1441{
Damien Miller956f3fb2003-01-10 21:40:00 +11001442 int in, out, ch, err;
Damien Miller7cf17eb2004-06-15 10:28:56 +10001443 char *host, *userhost, *cp, *file2 = NULL;
Ben Lindstrom387c4722001-05-08 20:27:25 +00001444 int debug_level = 0, sshver = 2;
1445 char *file1 = NULL, *sftp_server = NULL;
Damien Millerd14ee1e2002-02-05 12:27:31 +11001446 char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
Ben Lindstrom387c4722001-05-08 20:27:25 +00001447 LogLevel ll = SYSLOG_LEVEL_INFO;
1448 arglist args;
Damien Millerd7686fd2001-02-10 00:40:03 +11001449 extern int optind;
1450 extern char *optarg;
Damien Miller33804262001-02-04 23:20:18 +11001451
Darren Tuckerce321d82005-10-03 18:11:24 +10001452 /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
1453 sanitise_stdfd();
1454
Damien Miller59d3d5b2003-08-22 09:34:41 +10001455 __progname = ssh_get_progname(argv[0]);
Ben Lindstrom387c4722001-05-08 20:27:25 +00001456 args.list = NULL;
Damien Miller9f0f5c62001-12-21 14:45:46 +11001457 addargs(&args, "ssh"); /* overwritten with ssh_program */
Ben Lindstrom387c4722001-05-08 20:27:25 +00001458 addargs(&args, "-oForwardX11 no");
1459 addargs(&args, "-oForwardAgent no");
Ben Lindstrom2b7a0e92001-09-20 00:57:55 +00001460 addargs(&args, "-oClearAllForwardings yes");
Damien Millere4f5a822004-01-21 14:11:05 +11001461
Ben Lindstrom387c4722001-05-08 20:27:25 +00001462 ll = SYSLOG_LEVEL_INFO;
Damien Millere4f5a822004-01-21 14:11:05 +11001463 infile = stdin;
Damien Millerd7686fd2001-02-10 00:40:03 +11001464
Damien Miller16a13332002-02-13 14:03:56 +11001465 while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
Damien Millerd7686fd2001-02-10 00:40:03 +11001466 switch (ch) {
1467 case 'C':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001468 addargs(&args, "-C");
Damien Millerd7686fd2001-02-10 00:40:03 +11001469 break;
1470 case 'v':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001471 if (debug_level < 3) {
1472 addargs(&args, "-v");
1473 ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1474 }
1475 debug_level++;
Damien Millerd7686fd2001-02-10 00:40:03 +11001476 break;
Ben Lindstrom1e243242001-09-18 05:38:44 +00001477 case 'F':
Damien Millerd7686fd2001-02-10 00:40:03 +11001478 case 'o':
Ben Lindstrom1e243242001-09-18 05:38:44 +00001479 addargs(&args, "-%c%s", ch, optarg);
Damien Millerd7686fd2001-02-10 00:40:03 +11001480 break;
1481 case '1':
Ben Lindstrom387c4722001-05-08 20:27:25 +00001482 sshver = 1;
Damien Millerd7686fd2001-02-10 00:40:03 +11001483 if (sftp_server == NULL)
1484 sftp_server = _PATH_SFTP_SERVER;
1485 break;
1486 case 's':
1487 sftp_server = optarg;
1488 break;
1489 case 'S':
1490 ssh_program = optarg;
1491 break;
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001492 case 'b':
Damien Miller44f75c12004-01-21 10:58:47 +11001493 if (batchmode)
1494 fatal("Batch file already specified.");
1495
1496 /* Allow "-" as stdin */
Darren Tuckerfc959702004-07-17 16:12:08 +10001497 if (strcmp(optarg, "-") != 0 &&
Damien Miller0dc1bef2005-07-17 17:22:45 +10001498 (infile = fopen(optarg, "r")) == NULL)
Damien Miller44f75c12004-01-21 10:58:47 +11001499 fatal("%s (%s).", strerror(errno), optarg);
Damien Miller62d57f62003-01-10 21:43:24 +11001500 showprogress = 0;
Damien Miller44f75c12004-01-21 10:58:47 +11001501 batchmode = 1;
Damien Miller64e8d442005-03-01 21:16:47 +11001502 addargs(&args, "-obatchmode yes");
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001503 break;
Damien Millerd14ee1e2002-02-05 12:27:31 +11001504 case 'P':
1505 sftp_direct = optarg;
1506 break;
Damien Miller8829d362002-02-08 22:04:05 +11001507 case 'B':
1508 copy_buffer_len = strtol(optarg, &cp, 10);
1509 if (copy_buffer_len == 0 || *cp != '\0')
1510 fatal("Invalid buffer size \"%s\"", optarg);
1511 break;
Damien Miller16a13332002-02-13 14:03:56 +11001512 case 'R':
1513 num_requests = strtol(optarg, &cp, 10);
1514 if (num_requests == 0 || *cp != '\0')
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001515 fatal("Invalid number of requests \"%s\"",
Damien Miller16a13332002-02-13 14:03:56 +11001516 optarg);
1517 break;
Damien Millerd7686fd2001-02-10 00:40:03 +11001518 case 'h':
1519 default:
Damien Miller33804262001-02-04 23:20:18 +11001520 usage();
1521 }
1522 }
1523
Damien Millerc0f27d82004-03-08 23:12:19 +11001524 if (!isatty(STDERR_FILENO))
1525 showprogress = 0;
1526
Ben Lindstrom2f3d52a2002-04-02 21:06:18 +00001527 log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1528
Damien Millerd14ee1e2002-02-05 12:27:31 +11001529 if (sftp_direct == NULL) {
1530 if (optind == argc || argc > (optind + 2))
1531 usage();
Damien Miller33804262001-02-04 23:20:18 +11001532
Damien Millerd14ee1e2002-02-05 12:27:31 +11001533 userhost = xstrdup(argv[optind]);
1534 file2 = argv[optind+1];
Ben Lindstrom63667f62001-04-13 00:00:14 +00001535
Ben Lindstromc276c122002-12-23 02:14:51 +00001536 if ((host = strrchr(userhost, '@')) == NULL)
Damien Millerd14ee1e2002-02-05 12:27:31 +11001537 host = userhost;
1538 else {
1539 *host++ = '\0';
1540 if (!userhost[0]) {
1541 fprintf(stderr, "Missing username\n");
1542 usage();
1543 }
1544 addargs(&args, "-l%s",userhost);
1545 }
1546
Damien Millerec692032004-01-27 21:22:00 +11001547 if ((cp = colon(host)) != NULL) {
1548 *cp++ = '\0';
1549 file1 = cp;
1550 }
1551
Damien Millerd14ee1e2002-02-05 12:27:31 +11001552 host = cleanhostname(host);
1553 if (!*host) {
1554 fprintf(stderr, "Missing hostname\n");
Damien Miller33804262001-02-04 23:20:18 +11001555 usage();
1556 }
Damien Millerd14ee1e2002-02-05 12:27:31 +11001557
Damien Millerd14ee1e2002-02-05 12:27:31 +11001558 addargs(&args, "-oProtocol %d", sshver);
1559
1560 /* no subsystem if the server-spec contains a '/' */
1561 if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1562 addargs(&args, "-s");
1563
1564 addargs(&args, "%s", host);
Ben Lindstrom6328ab32002-03-22 02:54:23 +00001565 addargs(&args, "%s", (sftp_server != NULL ?
Damien Millerd14ee1e2002-02-05 12:27:31 +11001566 sftp_server : "sftp"));
1567 args.list[0] = ssh_program;
1568
Damien Miller44f75c12004-01-21 10:58:47 +11001569 if (!batchmode)
1570 fprintf(stderr, "Connecting to %s...\n", host);
Damien Millercc685c12003-06-04 22:51:38 +10001571 connect_to_server(ssh_program, args.list, &in, &out);
Damien Millerd14ee1e2002-02-05 12:27:31 +11001572 } else {
1573 args.list = NULL;
1574 addargs(&args, "sftp-server");
1575
Damien Miller44f75c12004-01-21 10:58:47 +11001576 if (!batchmode)
1577 fprintf(stderr, "Attaching to %s...\n", sftp_direct);
Damien Millercc685c12003-06-04 22:51:38 +10001578 connect_to_server(sftp_direct, args.list, &in, &out);
Damien Miller33804262001-02-04 23:20:18 +11001579 }
1580
Damien Miller956f3fb2003-01-10 21:40:00 +11001581 err = interactive_loop(in, out, file1, file2);
Damien Miller33804262001-02-04 23:20:18 +11001582
Ben Lindstrom10b9bf92001-02-26 20:04:45 +00001583#if !defined(USE_PIPES)
Damien Miller37294fb2005-07-17 17:18:49 +10001584 shutdown(in, SHUT_RDWR);
1585 shutdown(out, SHUT_RDWR);
Ben Lindstrom10b9bf92001-02-26 20:04:45 +00001586#endif
1587
Damien Miller33804262001-02-04 23:20:18 +11001588 close(in);
1589 close(out);
Damien Miller44f75c12004-01-21 10:58:47 +11001590 if (batchmode)
Ben Lindstrom562c26b2001-03-07 01:26:48 +00001591 fclose(infile);
Damien Miller33804262001-02-04 23:20:18 +11001592
Ben Lindstrom47fd8112002-04-02 20:48:19 +00001593 while (waitpid(sshpid, NULL, 0) == -1)
1594 if (errno != EINTR)
1595 fatal("Couldn't wait for ssh process: %s",
1596 strerror(errno));
Damien Miller33804262001-02-04 23:20:18 +11001597
Damien Miller956f3fb2003-01-10 21:40:00 +11001598 exit(err == 0 ? 0 : 1);
Damien Miller33804262001-02-04 23:20:18 +11001599}