blob: d0914dde86b48c92efff46d7617556e0c0d6ea2c [file] [log] [blame]
Damien Miller33804262001-02-04 23:20:18 +11001/*
2 * Copyright (c) 2001 Damien Miller. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25/* XXX: finish implementation of all commands */
26/* XXX: do fnmatch() instead of using raw pathname */
Damien Millerd7686fd2001-02-10 00:40:03 +110027/* XXX: globbed ls */
Damien Miller33804262001-02-04 23:20:18 +110028/* XXX: recursive operations */
29
30#include "includes.h"
Ben Lindstrom9d4f2c82001-02-15 03:22:45 +000031RCSID("$OpenBSD: sftp-int.c,v 1.22 2001/02/14 09:46:03 djm Exp $");
Damien Miller33804262001-02-04 23:20:18 +110032
33#include "buffer.h"
34#include "xmalloc.h"
35#include "log.h"
36#include "pathnames.h"
37
38#include "sftp.h"
39#include "sftp-common.h"
40#include "sftp-client.h"
41#include "sftp-int.h"
42
43/* Seperators for interactive commands */
44#define WHITESPACE " \t\r\n"
45
46/* Commands for interactive mode */
47#define I_CHDIR 1
48#define I_CHGRP 2
49#define I_CHMOD 3
50#define I_CHOWN 4
51#define I_GET 5
52#define I_HELP 6
53#define I_LCHDIR 7
54#define I_LLS 8
55#define I_LMKDIR 9
56#define I_LPWD 10
57#define I_LS 11
58#define I_LUMASK 12
59#define I_MKDIR 13
60#define I_PUT 14
61#define I_PWD 15
62#define I_QUIT 16
63#define I_RENAME 17
64#define I_RM 18
65#define I_RMDIR 19
66#define I_SHELL 20
67
68struct CMD {
Damien Miller33804262001-02-04 23:20:18 +110069 const char *c;
Kevin Steves62c45db2001-02-05 13:42:43 +000070 const int n;
Damien Miller33804262001-02-04 23:20:18 +110071};
72
73const struct CMD cmds[] = {
Damien Millerd7686fd2001-02-10 00:40:03 +110074 { "cd", I_CHDIR },
75 { "chdir", I_CHDIR },
76 { "chgrp", I_CHGRP },
77 { "chmod", I_CHMOD },
78 { "chown", I_CHOWN },
79 { "dir", I_LS },
80 { "exit", I_QUIT },
81 { "get", I_GET },
82 { "help", I_HELP },
83 { "lcd", I_LCHDIR },
84 { "lchdir", I_LCHDIR },
85 { "lls", I_LLS },
86 { "lmkdir", I_LMKDIR },
87 { "lpwd", I_LPWD },
88 { "ls", I_LS },
89 { "lumask", I_LUMASK },
90 { "mkdir", I_MKDIR },
91 { "put", I_PUT },
92 { "pwd", I_PWD },
93 { "quit", I_QUIT },
94 { "rename", I_RENAME },
95 { "rm", I_RM },
96 { "rmdir", I_RMDIR },
Kevin Steves62c45db2001-02-05 13:42:43 +000097 { "!", I_SHELL },
98 { "?", I_HELP },
99 { NULL, -1}
Damien Miller33804262001-02-04 23:20:18 +1100100};
101
102void
103help(void)
104{
105 printf("Available commands:\n");
Damien Millerd7686fd2001-02-10 00:40:03 +1100106 printf("cd path Change remote directory to 'path'\n");
107 printf("lcd path Change local directory to 'path'\n");
108 printf("chgrp grp path Change group of file 'path' to 'grp'\n");
109 printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
110 printf("chown own path Change owner of file 'path' to 'own'\n");
111 printf("help Display this help text\n");
112 printf("get remote-path [local-path] Download file\n");
113 printf("lls [ls-options [path]] Display local directory listing\n");
114 printf("lmkdir path Create local directory\n");
115 printf("lpwd Print local working directory\n");
116 printf("ls [path] Display remote directory listing\n");
117 printf("lumask umask Set local umask to 'umask'\n");
118 printf("mkdir path Create remote directory\n");
119 printf("put local-path [remote-path] Upload file\n");
120 printf("pwd Display remote working directory\n");
121 printf("exit Quit sftp\n");
122 printf("quit Quit sftp\n");
123 printf("rename oldpath newpath Rename remote file\n");
124 printf("rmdir path Remove remote directory\n");
125 printf("rm path Delete remote file\n");
Damien Miller33804262001-02-04 23:20:18 +1100126 printf("!command Execute 'command' in local shell\n");
127 printf("! Escape to local shell\n");
Damien Millerd7686fd2001-02-10 00:40:03 +1100128 printf("? Synonym for help\n");
Damien Miller33804262001-02-04 23:20:18 +1100129}
130
131void
132local_do_shell(const char *args)
133{
134 int ret, status;
135 char *shell;
136 pid_t pid;
Kevin Stevesef4eea92001-02-05 12:42:17 +0000137
Damien Miller33804262001-02-04 23:20:18 +1100138 if (!*args)
139 args = NULL;
Kevin Stevesef4eea92001-02-05 12:42:17 +0000140
Damien Miller33804262001-02-04 23:20:18 +1100141 if ((shell = getenv("SHELL")) == NULL)
142 shell = _PATH_BSHELL;
143
144 if ((pid = fork()) == -1)
145 fatal("Couldn't fork: %s", strerror(errno));
146
147 if (pid == 0) {
148 /* XXX: child has pipe fds to ssh subproc open - issue? */
149 if (args) {
150 debug3("Executing %s -c \"%s\"", shell, args);
151 ret = execl(shell, shell, "-c", args, NULL);
152 } else {
153 debug3("Executing %s", shell);
154 ret = execl(shell, shell, NULL);
155 }
Kevin Stevesef4eea92001-02-05 12:42:17 +0000156 fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
Damien Miller33804262001-02-04 23:20:18 +1100157 strerror(errno));
158 _exit(1);
159 }
160 if (waitpid(pid, &status, 0) == -1)
161 fatal("Couldn't wait for child: %s", strerror(errno));
162 if (!WIFEXITED(status))
163 error("Shell exited abormally");
164 else if (WEXITSTATUS(status))
165 error("Shell exited with status %d", WEXITSTATUS(status));
166}
167
Kevin Stevesef4eea92001-02-05 12:42:17 +0000168void
Damien Miller33804262001-02-04 23:20:18 +1100169local_do_ls(const char *args)
170{
171 if (!args || !*args)
Damien Millerd7686fd2001-02-10 00:40:03 +1100172 local_do_shell(_PATH_LS);
Damien Miller33804262001-02-04 23:20:18 +1100173 else {
Damien Millerd7686fd2001-02-10 00:40:03 +1100174 int len = strlen(_PATH_LS " ") + strlen(args) + 1;
175 char *buf = xmalloc(len);
Damien Miller33804262001-02-04 23:20:18 +1100176
177 /* XXX: quoting - rip quoting code from ftp? */
Damien Millerd7686fd2001-02-10 00:40:03 +1100178 snprintf(buf, len, _PATH_LS " %s", args);
Damien Miller33804262001-02-04 23:20:18 +1100179 local_do_shell(buf);
Damien Millerd7686fd2001-02-10 00:40:03 +1100180 xfree(buf);
Damien Miller33804262001-02-04 23:20:18 +1100181 }
182}
183
184char *
185make_absolute(char *p, char *pwd)
186{
187 char buf[2048];
188
189 /* Derelativise */
190 if (p && p[0] != '/') {
191 snprintf(buf, sizeof(buf), "%s/%s", pwd, p);
192 xfree(p);
193 p = xstrdup(buf);
194 }
195
196 return(p);
197}
198
199int
200parse_getput_flags(const char **cpp, int *pflag)
201{
202 const char *cp = *cpp;
203
204 /* Check for flags */
205 if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
Damien Millerd7686fd2001-02-10 00:40:03 +1100206 switch (cp[1]) {
Ben Lindstrom9d4f2c82001-02-15 03:22:45 +0000207 case 'p':
Damien Miller33804262001-02-04 23:20:18 +1100208 case 'P':
209 *pflag = 1;
210 break;
211 default:
Ben Lindstrom9d4f2c82001-02-15 03:22:45 +0000212 error("Invalid flag -%c", cp[1]);
Damien Miller33804262001-02-04 23:20:18 +1100213 return(-1);
214 }
215 cp += 2;
216 *cpp = cp + strspn(cp, WHITESPACE);
217 }
218
219 return(0);
220}
221
222int
223get_pathname(const char **cpp, char **path)
224{
Damien Millerd7686fd2001-02-10 00:40:03 +1100225 const char *cp = *cpp, *end;
226 char quot;
Damien Miller33804262001-02-04 23:20:18 +1100227 int i;
228
229 cp += strspn(cp, WHITESPACE);
230 if (!*cp) {
231 *cpp = cp;
232 *path = NULL;
Damien Millerd7686fd2001-02-10 00:40:03 +1100233 return (0);
Damien Miller33804262001-02-04 23:20:18 +1100234 }
235
236 /* Check for quoted filenames */
237 if (*cp == '\"' || *cp == '\'') {
Damien Millerd7686fd2001-02-10 00:40:03 +1100238 quot = *cp++;
239
240 end = strchr(cp, quot);
241 if (end == NULL) {
Damien Miller33804262001-02-04 23:20:18 +1100242 error("Unterminated quote");
Damien Millerd7686fd2001-02-10 00:40:03 +1100243 goto fail;
Damien Miller33804262001-02-04 23:20:18 +1100244 }
Damien Millerd7686fd2001-02-10 00:40:03 +1100245 if (cp == end) {
Damien Miller33804262001-02-04 23:20:18 +1100246 error("Empty quotes");
Damien Millerd7686fd2001-02-10 00:40:03 +1100247 goto fail;
Damien Miller33804262001-02-04 23:20:18 +1100248 }
Damien Millerd7686fd2001-02-10 00:40:03 +1100249 *cpp = end + 1 + strspn(end + 1, WHITESPACE);
250 } else {
251 /* Read to end of filename */
252 end = strpbrk(cp, WHITESPACE);
253 if (end == NULL)
254 end = strchr(cp, '\0');
255 *cpp = end + strspn(end, WHITESPACE);
Damien Miller33804262001-02-04 23:20:18 +1100256 }
257
Damien Millerd7686fd2001-02-10 00:40:03 +1100258 i = end - cp;
Damien Miller33804262001-02-04 23:20:18 +1100259
260 *path = xmalloc(i + 1);
261 memcpy(*path, cp, i);
262 (*path)[i] = '\0';
Damien Miller33804262001-02-04 23:20:18 +1100263 return(0);
Damien Millerd7686fd2001-02-10 00:40:03 +1100264
265 fail:
266 *path = NULL;
267 return (-1);
Damien Miller33804262001-02-04 23:20:18 +1100268}
269
270int
271infer_path(const char *p, char **ifp)
272{
273 char *cp;
274
275 debug("XXX: P = \"%s\"", p);
276
277 cp = strrchr(p, '/');
Damien Miller33804262001-02-04 23:20:18 +1100278 if (cp == NULL) {
279 *ifp = xstrdup(p);
280 return(0);
281 }
282
283 if (!cp[1]) {
284 error("Invalid path");
285 return(-1);
286 }
287
288 *ifp = xstrdup(cp + 1);
289 return(0);
290}
291
292int
293parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
294 char **path1, char **path2)
295{
296 const char *cmd, *cp = *cpp;
Ben Lindstrom66904942001-02-15 03:19:56 +0000297 char *cp2;
Kevin Steves62c45db2001-02-05 13:42:43 +0000298 int base = 0;
Ben Lindstrom66904942001-02-15 03:19:56 +0000299 long l;
Damien Miller33804262001-02-04 23:20:18 +1100300 int i, cmdnum;
301
302 /* Skip leading whitespace */
303 cp = cp + strspn(cp, WHITESPACE);
304
305 /* Ignore blank lines */
306 if (!*cp)
307 return(-1);
308
309 /* Figure out which command we have */
310 for(i = 0; cmds[i].c; i++) {
311 int cmdlen = strlen(cmds[i].c);
312
313 /* Check for command followed by whitespace */
314 if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
315 strchr(WHITESPACE, cp[cmdlen])) {
316 cp += cmdlen;
317 cp = cp + strspn(cp, WHITESPACE);
318 break;
319 }
320 }
321 cmdnum = cmds[i].n;
322 cmd = cmds[i].c;
323
324 /* Special case */
325 if (*cp == '!') {
326 cp++;
327 cmdnum = I_SHELL;
328 } else if (cmdnum == -1) {
329 error("Invalid command.");
330 return(-1);
331 }
332
333 /* Get arguments and parse flags */
334 *pflag = *n_arg = 0;
335 *path1 = *path2 = NULL;
336 switch (cmdnum) {
337 case I_GET:
338 case I_PUT:
339 if (parse_getput_flags(&cp, pflag))
340 return(-1);
341 /* Get first pathname (mandatory) */
342 if (get_pathname(&cp, path1))
343 return(-1);
344 if (*path1 == NULL) {
345 error("You must specify at least one path after a "
346 "%s command.", cmd);
347 return(-1);
348 }
349 /* Try to get second pathname (optional) */
350 if (get_pathname(&cp, path2))
351 return(-1);
352 /* Otherwise try to guess it from first path */
353 if (*path2 == NULL && infer_path(*path1, path2))
354 return(-1);
355 break;
356 case I_RENAME:
357 /* Get first pathname (mandatory) */
358 if (get_pathname(&cp, path1))
359 return(-1);
360 if (get_pathname(&cp, path2))
361 return(-1);
362 if (!*path1 || !*path2) {
363 error("You must specify two paths after a %s "
364 "command.", cmd);
365 return(-1);
366 }
367 break;
368 case I_RM:
369 case I_MKDIR:
370 case I_RMDIR:
371 case I_CHDIR:
372 case I_LCHDIR:
373 case I_LMKDIR:
374 /* Get pathname (mandatory) */
375 if (get_pathname(&cp, path1))
376 return(-1);
377 if (*path1 == NULL) {
Kevin Stevesef4eea92001-02-05 12:42:17 +0000378 error("You must specify a path after a %s command.",
Damien Miller33804262001-02-04 23:20:18 +1100379 cmd);
380 return(-1);
381 }
382 break;
383 case I_LS:
384 /* Path is optional */
385 if (get_pathname(&cp, path1))
386 return(-1);
387 break;
388 case I_LLS:
389 case I_SHELL:
390 /* Uses the rest of the line */
391 break;
392 case I_LUMASK:
Ben Lindstrom66904942001-02-15 03:19:56 +0000393 base = 8;
Damien Miller33804262001-02-04 23:20:18 +1100394 case I_CHMOD:
Kevin Steves62c45db2001-02-05 13:42:43 +0000395 base = 8;
Damien Miller33804262001-02-04 23:20:18 +1100396 case I_CHOWN:
397 case I_CHGRP:
398 /* Get numeric arg (mandatory) */
Ben Lindstrom66904942001-02-15 03:19:56 +0000399 l = strtol(cp, &cp2, base);
400 if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
401 errno == ERANGE) || l < 0) {
Damien Miller33804262001-02-04 23:20:18 +1100402 error("You must supply a numeric argument "
403 "to the %s command.", cmd);
404 return(-1);
405 }
Ben Lindstrom66904942001-02-15 03:19:56 +0000406 cp = cp2;
407 *n_arg = l;
408 if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
409 break;
410 if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
Damien Miller33804262001-02-04 23:20:18 +1100411 error("You must supply a numeric argument "
412 "to the %s command.", cmd);
413 return(-1);
414 }
415 cp += strspn(cp, WHITESPACE);
416
417 /* Get pathname (mandatory) */
418 if (get_pathname(&cp, path1))
419 return(-1);
420 if (*path1 == NULL) {
Kevin Stevesef4eea92001-02-05 12:42:17 +0000421 error("You must specify a path after a %s command.",
Damien Miller33804262001-02-04 23:20:18 +1100422 cmd);
423 return(-1);
424 }
425 break;
426 case I_QUIT:
427 case I_PWD:
428 case I_LPWD:
429 case I_HELP:
430 break;
431 default:
432 fatal("Command not implemented");
433 }
434
435 *cpp = cp;
Damien Miller33804262001-02-04 23:20:18 +1100436 return(cmdnum);
437}
438
439int
440parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
441{
Damien Millerd7686fd2001-02-10 00:40:03 +1100442 char *path1, *path2, *tmp;
Damien Miller33804262001-02-04 23:20:18 +1100443 int pflag, cmdnum;
444 unsigned long n_arg;
445 Attrib a, *aa;
Ben Lindstrom0a7e3542001-02-15 03:50:49 +0000446 char path_buf[MAXPATHLEN];
Damien Miller33804262001-02-04 23:20:18 +1100447
448 path1 = path2 = NULL;
449 cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
450
451 /* Perform command */
452 switch (cmdnum) {
453 case -1:
454 break;
455 case I_GET:
456 path1 = make_absolute(path1, *pwd);
457 do_download(in, out, path1, path2, pflag);
458 break;
459 case I_PUT:
460 path2 = make_absolute(path2, *pwd);
461 do_upload(in, out, path1, path2, pflag);
462 break;
463 case I_RENAME:
464 path1 = make_absolute(path1, *pwd);
465 path2 = make_absolute(path2, *pwd);
466 do_rename(in, out, path1, path2);
467 break;
468 case I_RM:
469 path1 = make_absolute(path1, *pwd);
470 do_rm(in, out, path1);
471 break;
472 case I_MKDIR:
473 path1 = make_absolute(path1, *pwd);
474 attrib_clear(&a);
475 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
476 a.perm = 0777;
477 do_mkdir(in, out, path1, &a);
478 break;
479 case I_RMDIR:
480 path1 = make_absolute(path1, *pwd);
481 do_rmdir(in, out, path1);
482 break;
483 case I_CHDIR:
484 path1 = make_absolute(path1, *pwd);
Damien Millerd7686fd2001-02-10 00:40:03 +1100485 if ((tmp = do_realpath(in, out, path1)) == NULL)
486 break;
487 if ((aa = do_stat(in, out, tmp)) == NULL) {
488 xfree(tmp);
489 break;
490 }
491 if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
492 error("Can't change directory: Can't check target");
493 xfree(tmp);
494 break;
495 }
496 if (!S_ISDIR(aa->perm)) {
497 error("Can't change directory: \"%s\" is not "
498 "a directory", tmp);
499 xfree(tmp);
500 break;
501 }
Damien Miller33804262001-02-04 23:20:18 +1100502 xfree(*pwd);
Damien Millerd7686fd2001-02-10 00:40:03 +1100503 *pwd = tmp;
Damien Miller33804262001-02-04 23:20:18 +1100504 break;
505 case I_LS:
Damien Millerd7686fd2001-02-10 00:40:03 +1100506 if (!path1) {
507 do_ls(in, out, *pwd);
508 break;
509 }
Damien Miller33804262001-02-04 23:20:18 +1100510 path1 = make_absolute(path1, *pwd);
Damien Millerd7686fd2001-02-10 00:40:03 +1100511 if ((tmp = do_realpath(in, out, path1)) == NULL)
512 break;
513 xfree(path1);
514 path1 = tmp;
515 if ((aa = do_stat(in, out, path1)) == NULL)
516 break;
517 if ((aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
518 !S_ISDIR(aa->perm)) {
519 error("Can't ls: \"%s\" is not a directory", path1);
520 break;
521 }
522 do_ls(in, out, path1);
Damien Miller33804262001-02-04 23:20:18 +1100523 break;
524 case I_LCHDIR:
525 if (chdir(path1) == -1)
526 error("Couldn't change local directory to "
527 "\"%s\": %s", path1, strerror(errno));
528 break;
529 case I_LMKDIR:
530 if (mkdir(path1, 0777) == -1)
Damien Millerd7686fd2001-02-10 00:40:03 +1100531 error("Couldn't create local directory "
Damien Miller33804262001-02-04 23:20:18 +1100532 "\"%s\": %s", path1, strerror(errno));
533 break;
534 case I_LLS:
535 local_do_ls(cmd);
536 break;
537 case I_SHELL:
538 local_do_shell(cmd);
539 break;
540 case I_LUMASK:
541 umask(n_arg);
Ben Lindstrom66904942001-02-15 03:19:56 +0000542 printf("Local umask: %03lo\n", n_arg);
Damien Miller33804262001-02-04 23:20:18 +1100543 break;
544 case I_CHMOD:
545 path1 = make_absolute(path1, *pwd);
546 attrib_clear(&a);
547 a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
548 a.perm = n_arg;
549 do_setstat(in, out, path1, &a);
Kevin Steves62c45db2001-02-05 13:42:43 +0000550 break;
Damien Miller33804262001-02-04 23:20:18 +1100551 case I_CHOWN:
552 path1 = make_absolute(path1, *pwd);
Damien Millerd7686fd2001-02-10 00:40:03 +1100553 if (!(aa = do_stat(in, out, path1)))
554 break;
Kevin Steves62c45db2001-02-05 13:42:43 +0000555 if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
Damien Miller33804262001-02-04 23:20:18 +1100556 error("Can't get current ownership of "
557 "remote file \"%s\"", path1);
558 break;
559 }
Damien Millerd7686fd2001-02-10 00:40:03 +1100560 aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
Damien Miller33804262001-02-04 23:20:18 +1100561 aa->uid = n_arg;
562 do_setstat(in, out, path1, aa);
563 break;
564 case I_CHGRP:
565 path1 = make_absolute(path1, *pwd);
Damien Millerd7686fd2001-02-10 00:40:03 +1100566 if (!(aa = do_stat(in, out, path1)))
567 break;
Kevin Steves62c45db2001-02-05 13:42:43 +0000568 if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
Damien Miller33804262001-02-04 23:20:18 +1100569 error("Can't get current ownership of "
570 "remote file \"%s\"", path1);
571 break;
572 }
Damien Millerd7686fd2001-02-10 00:40:03 +1100573 aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
Damien Miller33804262001-02-04 23:20:18 +1100574 aa->gid = n_arg;
575 do_setstat(in, out, path1, aa);
576 break;
577 case I_PWD:
578 printf("Remote working directory: %s\n", *pwd);
579 break;
580 case I_LPWD:
581 if (!getcwd(path_buf, sizeof(path_buf)))
582 error("Couldn't get local cwd: %s\n",
583 strerror(errno));
584 else
585 printf("Local working directory: %s\n",
586 path_buf);
587 break;
588 case I_QUIT:
589 return(-1);
590 case I_HELP:
591 help();
592 break;
593 default:
594 fatal("%d is not implemented", cmdnum);
595 }
596
597 if (path1)
598 xfree(path1);
599 if (path2)
600 xfree(path2);
Damien Miller33804262001-02-04 23:20:18 +1100601 return(0);
602}
603
604void
605interactive_loop(int fd_in, int fd_out)
606{
607 char *pwd;
608 char cmd[2048];
609
610 pwd = do_realpath(fd_in, fd_out, ".");
611 if (pwd == NULL)
612 fatal("Need cwd");
613
Damien Millerd7686fd2001-02-10 00:40:03 +1100614 setvbuf(stdout, NULL, _IOLBF, 0);
615 setvbuf(stdin, NULL, _IOLBF, 0);
Damien Miller33804262001-02-04 23:20:18 +1100616
617 for(;;) {
618 char *cp;
619
620 printf("sftp> ");
621
622 /* XXX: use libedit */
623 if (fgets(cmd, sizeof(cmd), stdin) == NULL) {
624 printf("\n");
625 break;
626 }
627 cp = strrchr(cmd, '\n');
628 if (cp)
629 *cp = '\0';
630 if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd))
631 break;
632 }
633 xfree(pwd);
634}