Annotation of src/usr.bin/ssh/sftp-int.c, Revision 1.28
1.1 djm 1: /*
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:
1.12 djm 25: /* XXX: globbed ls */
1.1 djm 26: /* XXX: recursive operations */
27:
28: #include "includes.h"
1.28 ! markus 29: RCSID("$OpenBSD: sftp-int.c,v 1.27 2001/03/13 22:42:54 djm Exp $");
1.27 djm 30:
31: #include <glob.h>
1.1 djm 32:
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"
1.27 djm 40: #include "sftp-glob.h"
1.1 djm 41: #include "sftp-client.h"
42: #include "sftp-int.h"
43:
1.26 djm 44: /* File to read commands from */
45: extern FILE *infile;
46:
47: /* Version of server we are speaking to */
48: int version;
1.25 deraadt 49:
1.1 djm 50: /* Seperators for interactive commands */
51: #define WHITESPACE " \t\r\n"
52:
53: /* Commands for interactive mode */
54: #define I_CHDIR 1
55: #define I_CHGRP 2
56: #define I_CHMOD 3
57: #define I_CHOWN 4
58: #define I_GET 5
59: #define I_HELP 6
60: #define I_LCHDIR 7
61: #define I_LLS 8
62: #define I_LMKDIR 9
63: #define I_LPWD 10
64: #define I_LS 11
65: #define I_LUMASK 12
66: #define I_MKDIR 13
67: #define I_PUT 14
68: #define I_PWD 15
69: #define I_QUIT 16
70: #define I_RENAME 17
71: #define I_RM 18
72: #define I_RMDIR 19
73: #define I_SHELL 20
1.26 djm 74: #define I_SYMLINK 21
1.28 ! markus 75: #define I_VERSION 22
1.1 djm 76:
77: struct CMD {
1.6 deraadt 78: const char *c;
1.1 djm 79: const int n;
80: };
81:
82: const struct CMD cmds[] = {
1.15 stevesk 83: { "cd", I_CHDIR },
84: { "chdir", I_CHDIR },
85: { "chgrp", I_CHGRP },
86: { "chmod", I_CHMOD },
87: { "chown", I_CHOWN },
88: { "dir", I_LS },
89: { "exit", I_QUIT },
90: { "get", I_GET },
91: { "help", I_HELP },
92: { "lcd", I_LCHDIR },
93: { "lchdir", I_LCHDIR },
94: { "lls", I_LLS },
95: { "lmkdir", I_LMKDIR },
1.26 djm 96: { "ln", I_SYMLINK },
1.15 stevesk 97: { "lpwd", I_LPWD },
98: { "ls", I_LS },
99: { "lumask", I_LUMASK },
100: { "mkdir", I_MKDIR },
101: { "put", I_PUT },
102: { "pwd", I_PWD },
103: { "quit", I_QUIT },
104: { "rename", I_RENAME },
105: { "rm", I_RM },
106: { "rmdir", I_RMDIR },
1.26 djm 107: { "symlink", I_SYMLINK },
1.28 ! markus 108: { "version", I_VERSION },
1.6 deraadt 109: { "!", I_SHELL },
1.7 deraadt 110: { "?", I_HELP },
1.6 deraadt 111: { NULL, -1}
1.1 djm 112: };
113:
114: void
115: help(void)
116: {
117: printf("Available commands:\n");
1.13 stevesk 118: printf("cd path Change remote directory to 'path'\n");
119: printf("lcd path Change local directory to 'path'\n");
120: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
121: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
122: printf("chown own path Change owner of file 'path' to 'own'\n");
123: printf("help Display this help text\n");
124: printf("get remote-path [local-path] Download file\n");
125: printf("lls [ls-options [path]] Display local directory listing\n");
1.26 djm 126: printf("ln oldpath newpath Symlink remote file\n");
1.13 stevesk 127: printf("lmkdir path Create local directory\n");
128: printf("lpwd Print local working directory\n");
129: printf("ls [path] Display remote directory listing\n");
130: printf("lumask umask Set local umask to 'umask'\n");
131: printf("mkdir path Create remote directory\n");
132: printf("put local-path [remote-path] Upload file\n");
133: printf("pwd Display remote working directory\n");
134: printf("exit Quit sftp\n");
135: printf("quit Quit sftp\n");
136: printf("rename oldpath newpath Rename remote file\n");
137: printf("rmdir path Remove remote directory\n");
138: printf("rm path Delete remote file\n");
1.26 djm 139: printf("symlink oldpath newpath Symlink remote file\n");
1.28 ! markus 140: printf("version Show SFTP version\n");
1.1 djm 141: printf("!command Execute 'command' in local shell\n");
142: printf("! Escape to local shell\n");
1.13 stevesk 143: printf("? Synonym for help\n");
1.1 djm 144: }
145:
146: void
147: local_do_shell(const char *args)
148: {
149: int ret, status;
150: char *shell;
151: pid_t pid;
1.3 stevesk 152:
1.1 djm 153: if (!*args)
154: args = NULL;
1.3 stevesk 155:
1.1 djm 156: if ((shell = getenv("SHELL")) == NULL)
157: shell = _PATH_BSHELL;
158:
159: if ((pid = fork()) == -1)
160: fatal("Couldn't fork: %s", strerror(errno));
161:
162: if (pid == 0) {
163: /* XXX: child has pipe fds to ssh subproc open - issue? */
164: if (args) {
165: debug3("Executing %s -c \"%s\"", shell, args);
166: ret = execl(shell, shell, "-c", args, NULL);
167: } else {
168: debug3("Executing %s", shell);
169: ret = execl(shell, shell, NULL);
170: }
1.3 stevesk 171: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
1.1 djm 172: strerror(errno));
173: _exit(1);
174: }
175: if (waitpid(pid, &status, 0) == -1)
176: fatal("Couldn't wait for child: %s", strerror(errno));
177: if (!WIFEXITED(status))
178: error("Shell exited abormally");
179: else if (WEXITSTATUS(status))
180: error("Shell exited with status %d", WEXITSTATUS(status));
181: }
182:
1.3 stevesk 183: void
1.1 djm 184: local_do_ls(const char *args)
185: {
186: if (!args || !*args)
1.18 stevesk 187: local_do_shell(_PATH_LS);
1.1 djm 188: else {
1.18 stevesk 189: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
1.16 deraadt 190: char *buf = xmalloc(len);
1.1 djm 191:
192: /* XXX: quoting - rip quoting code from ftp? */
1.18 stevesk 193: snprintf(buf, len, _PATH_LS " %s", args);
1.1 djm 194: local_do_shell(buf);
1.16 deraadt 195: xfree(buf);
1.1 djm 196: }
197: }
198:
199: char *
200: make_absolute(char *p, char *pwd)
201: {
202: char buf[2048];
203:
204: /* Derelativise */
205: if (p && p[0] != '/') {
206: snprintf(buf, sizeof(buf), "%s/%s", pwd, p);
207: xfree(p);
208: p = xstrdup(buf);
209: }
210:
211: return(p);
212: }
213:
214: int
215: parse_getput_flags(const char **cpp, int *pflag)
216: {
217: const char *cp = *cpp;
218:
219: /* Check for flags */
220: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
1.20 djm 221: switch (cp[1]) {
1.22 djm 222: case 'p':
1.1 djm 223: case 'P':
224: *pflag = 1;
225: break;
226: default:
1.22 djm 227: error("Invalid flag -%c", cp[1]);
1.1 djm 228: return(-1);
229: }
230: cp += 2;
231: *cpp = cp + strspn(cp, WHITESPACE);
232: }
233:
234: return(0);
235: }
236:
237: int
238: get_pathname(const char **cpp, char **path)
239: {
1.8 provos 240: const char *cp = *cpp, *end;
241: char quot;
1.1 djm 242: int i;
243:
244: cp += strspn(cp, WHITESPACE);
245: if (!*cp) {
246: *cpp = cp;
247: *path = NULL;
1.8 provos 248: return (0);
1.1 djm 249: }
250:
251: /* Check for quoted filenames */
252: if (*cp == '\"' || *cp == '\'') {
1.8 provos 253: quot = *cp++;
254:
255: end = strchr(cp, quot);
256: if (end == NULL) {
1.1 djm 257: error("Unterminated quote");
1.8 provos 258: goto fail;
1.1 djm 259: }
1.8 provos 260: if (cp == end) {
1.1 djm 261: error("Empty quotes");
1.8 provos 262: goto fail;
1.1 djm 263: }
1.8 provos 264: *cpp = end + 1 + strspn(end + 1, WHITESPACE);
265: } else {
266: /* Read to end of filename */
267: end = strpbrk(cp, WHITESPACE);
268: if (end == NULL)
269: end = strchr(cp, '\0');
270: *cpp = end + strspn(end, WHITESPACE);
1.1 djm 271: }
272:
1.8 provos 273: i = end - cp;
1.1 djm 274:
275: *path = xmalloc(i + 1);
276: memcpy(*path, cp, i);
277: (*path)[i] = '\0';
278: return(0);
1.8 provos 279:
280: fail:
281: *path = NULL;
282: return (-1);
1.1 djm 283: }
284:
285: int
286: infer_path(const char *p, char **ifp)
287: {
288: char *cp;
289:
290: cp = strrchr(p, '/');
291: if (cp == NULL) {
292: *ifp = xstrdup(p);
293: return(0);
294: }
295:
296: if (!cp[1]) {
297: error("Invalid path");
298: return(-1);
299: }
300:
301: *ifp = xstrdup(cp + 1);
302: return(0);
303: }
304:
305: int
306: parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
307: char **path1, char **path2)
308: {
309: const char *cmd, *cp = *cpp;
1.21 stevesk 310: char *cp2;
1.4 markus 311: int base = 0;
1.21 stevesk 312: long l;
1.1 djm 313: int i, cmdnum;
314:
315: /* Skip leading whitespace */
316: cp = cp + strspn(cp, WHITESPACE);
317:
318: /* Ignore blank lines */
319: if (!*cp)
320: return(-1);
321:
322: /* Figure out which command we have */
323: for(i = 0; cmds[i].c; i++) {
324: int cmdlen = strlen(cmds[i].c);
325:
326: /* Check for command followed by whitespace */
327: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
328: strchr(WHITESPACE, cp[cmdlen])) {
329: cp += cmdlen;
330: cp = cp + strspn(cp, WHITESPACE);
331: break;
332: }
333: }
334: cmdnum = cmds[i].n;
335: cmd = cmds[i].c;
336:
337: /* Special case */
338: if (*cp == '!') {
339: cp++;
340: cmdnum = I_SHELL;
341: } else if (cmdnum == -1) {
342: error("Invalid command.");
343: return(-1);
344: }
345:
346: /* Get arguments and parse flags */
347: *pflag = *n_arg = 0;
348: *path1 = *path2 = NULL;
349: switch (cmdnum) {
350: case I_GET:
351: case I_PUT:
352: if (parse_getput_flags(&cp, pflag))
353: return(-1);
354: /* Get first pathname (mandatory) */
355: if (get_pathname(&cp, path1))
356: return(-1);
357: if (*path1 == NULL) {
358: error("You must specify at least one path after a "
359: "%s command.", cmd);
360: return(-1);
361: }
362: /* Try to get second pathname (optional) */
363: if (get_pathname(&cp, path2))
364: return(-1);
365: break;
366: case I_RENAME:
1.26 djm 367: case I_SYMLINK:
1.1 djm 368: if (get_pathname(&cp, path1))
369: return(-1);
370: if (get_pathname(&cp, path2))
371: return(-1);
372: if (!*path1 || !*path2) {
373: error("You must specify two paths after a %s "
374: "command.", cmd);
375: return(-1);
376: }
377: break;
378: case I_RM:
379: case I_MKDIR:
380: case I_RMDIR:
381: case I_CHDIR:
382: case I_LCHDIR:
383: case I_LMKDIR:
384: /* Get pathname (mandatory) */
385: if (get_pathname(&cp, path1))
386: return(-1);
387: if (*path1 == NULL) {
1.3 stevesk 388: error("You must specify a path after a %s command.",
1.1 djm 389: cmd);
390: return(-1);
391: }
392: break;
393: case I_LS:
394: /* Path is optional */
395: if (get_pathname(&cp, path1))
396: return(-1);
397: break;
398: case I_LLS:
399: case I_SHELL:
400: /* Uses the rest of the line */
401: break;
402: case I_LUMASK:
1.21 stevesk 403: base = 8;
1.1 djm 404: case I_CHMOD:
1.4 markus 405: base = 8;
1.1 djm 406: case I_CHOWN:
407: case I_CHGRP:
408: /* Get numeric arg (mandatory) */
1.21 stevesk 409: l = strtol(cp, &cp2, base);
410: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
411: errno == ERANGE) || l < 0) {
1.1 djm 412: error("You must supply a numeric argument "
413: "to the %s command.", cmd);
414: return(-1);
415: }
1.21 stevesk 416: cp = cp2;
417: *n_arg = l;
418: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
419: break;
420: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
1.1 djm 421: error("You must supply a numeric argument "
422: "to the %s command.", cmd);
423: return(-1);
424: }
425: cp += strspn(cp, WHITESPACE);
426:
427: /* Get pathname (mandatory) */
428: if (get_pathname(&cp, path1))
429: return(-1);
430: if (*path1 == NULL) {
1.3 stevesk 431: error("You must specify a path after a %s command.",
1.1 djm 432: cmd);
433: return(-1);
434: }
435: break;
436: case I_QUIT:
437: case I_PWD:
438: case I_LPWD:
439: case I_HELP:
1.28 ! markus 440: case I_VERSION:
1.1 djm 441: break;
442: default:
443: fatal("Command not implemented");
444: }
445:
446: *cpp = cp;
447: return(cmdnum);
448: }
449:
450: int
451: parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
452: {
1.8 provos 453: char *path1, *path2, *tmp;
1.27 djm 454: int pflag, cmdnum, i;
1.1 djm 455: unsigned long n_arg;
456: Attrib a, *aa;
1.23 deraadt 457: char path_buf[MAXPATHLEN];
1.25 deraadt 458: int err = 0;
1.27 djm 459: glob_t g;
1.1 djm 460:
461: path1 = path2 = NULL;
462: cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
463:
464: /* Perform command */
465: switch (cmdnum) {
466: case -1:
467: break;
468: case I_GET:
1.27 djm 469: memset(&g, 0, sizeof(g));
470: if (!remote_glob(in, out, path1, 0, NULL, &g)) {
471: if (path2) {
472: /* XXX: target should be directory */
473: error("You cannot specify a target when "
474: "downloading multiple files");
475: err = -1;
476: break;
477: }
478: for(i = 0; g.gl_pathv[i]; i++) {
479: if (!infer_path(g.gl_pathv[i], &path2)) {
480: printf("Fetching %s\n", g.gl_pathv[i]);
481: if (do_download(in, out, g.gl_pathv[i],
482: path2, pflag) == -1)
483: err = -1;
484: free(path2);
485: path2 = NULL;
486: } else
487: err = -1;
488: }
489: } else {
490: if (!path2 && infer_path(path1, &path2)) {
491: err = -1;
492: break;
493: }
494: err = do_download(in, out, path1, path2, pflag);
495: }
1.1 djm 496: break;
497: case I_PUT:
1.27 djm 498: if (!glob(path1, 0, NULL, &g)) {
499: if (path2) {
500: error("You cannot specify a target when "
501: "uploading multiple files");
502: err = -1;
503: break;
504: }
505: for(i = 0; g.gl_pathv[i]; i++) {
506: if (!infer_path(g.gl_pathv[i], &path2)) {
507: path2 = make_absolute(path2, *pwd);
508: printf("Uploading %s\n", g.gl_pathv[i]);
509: if (do_upload(in, out, g.gl_pathv[i],
510: path2, pflag) == -1)
511: err = -1;
512: free(path2);
513: path2 = NULL;
514: } else
515: err = -1;
516: }
517: } else {
518: if (!path2 && infer_path(path1, &path2)) {
519: err = -1;
520: break;
521: }
522: err = do_upload(in, out, path1, path2, pflag);
523: }
524: break;
525: case I_RENAME:
1.1 djm 526: path1 = make_absolute(path1, *pwd);
527: path2 = make_absolute(path2, *pwd);
1.25 deraadt 528: err = do_rename(in, out, path1, path2);
1.1 djm 529: break;
1.26 djm 530: case I_SYMLINK:
531: if (version < 3) {
532: error("The server (version %d) does not support "
533: "this operation", version);
534: err = -1;
535: } else {
536: path2 = make_absolute(path2, *pwd);
537: err = do_symlink(in, out, path1, path2);
538: }
539: break;
1.1 djm 540: case I_RM:
541: path1 = make_absolute(path1, *pwd);
1.27 djm 542: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
543: for(i = 0; g.gl_pathv[i]; i++) {
544: printf("Removing %s\n", g.gl_pathv[i]);
545: if (do_rm(in, out, g.gl_pathv[i]) == -1)
546: err = -1;
547: }
1.1 djm 548: break;
549: case I_MKDIR:
550: path1 = make_absolute(path1, *pwd);
551: attrib_clear(&a);
552: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
553: a.perm = 0777;
1.25 deraadt 554: err = do_mkdir(in, out, path1, &a);
1.1 djm 555: break;
556: case I_RMDIR:
557: path1 = make_absolute(path1, *pwd);
1.25 deraadt 558: err = do_rmdir(in, out, path1);
1.1 djm 559: break;
560: case I_CHDIR:
561: path1 = make_absolute(path1, *pwd);
1.25 deraadt 562: if ((tmp = do_realpath(in, out, path1)) == NULL) {
563: err = 1;
1.11 markus 564: break;
1.25 deraadt 565: }
1.11 markus 566: if ((aa = do_stat(in, out, tmp)) == NULL) {
567: xfree(tmp);
1.25 deraadt 568: err = 1;
1.11 markus 569: break;
570: }
1.9 djm 571: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
572: error("Can't change directory: Can't check target");
573: xfree(tmp);
1.25 deraadt 574: err = 1;
1.9 djm 575: break;
576: }
577: if (!S_ISDIR(aa->perm)) {
578: error("Can't change directory: \"%s\" is not "
579: "a directory", tmp);
580: xfree(tmp);
1.25 deraadt 581: err = 1;
1.9 djm 582: break;
583: }
1.11 markus 584: xfree(*pwd);
585: *pwd = tmp;
1.1 djm 586: break;
587: case I_LS:
1.12 djm 588: if (!path1) {
589: do_ls(in, out, *pwd);
590: break;
591: }
1.1 djm 592: path1 = make_absolute(path1, *pwd);
1.12 djm 593: if ((tmp = do_realpath(in, out, path1)) == NULL)
594: break;
595: xfree(path1);
596: path1 = tmp;
597: if ((aa = do_stat(in, out, path1)) == NULL)
598: break;
599: if ((aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
600: !S_ISDIR(aa->perm)) {
601: error("Can't ls: \"%s\" is not a directory", path1);
602: break;
603: }
604: do_ls(in, out, path1);
1.1 djm 605: break;
606: case I_LCHDIR:
1.25 deraadt 607: if (chdir(path1) == -1) {
1.1 djm 608: error("Couldn't change local directory to "
609: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 610: err = 1;
611: }
1.1 djm 612: break;
613: case I_LMKDIR:
1.25 deraadt 614: if (mkdir(path1, 0777) == -1) {
1.17 stevesk 615: error("Couldn't create local directory "
1.1 djm 616: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 617: err = 1;
618: }
1.1 djm 619: break;
620: case I_LLS:
621: local_do_ls(cmd);
622: break;
623: case I_SHELL:
624: local_do_shell(cmd);
625: break;
626: case I_LUMASK:
627: umask(n_arg);
1.21 stevesk 628: printf("Local umask: %03lo\n", n_arg);
1.1 djm 629: break;
630: case I_CHMOD:
631: path1 = make_absolute(path1, *pwd);
632: attrib_clear(&a);
633: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
634: a.perm = n_arg;
1.27 djm 635: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
636: for(i = 0; g.gl_pathv[i]; i++) {
637: printf("Changing mode on %s\n", g.gl_pathv[i]);
638: do_setstat(in, out, g.gl_pathv[i], &a);
639: }
1.5 stevesk 640: break;
1.1 djm 641: case I_CHOWN:
642: path1 = make_absolute(path1, *pwd);
1.27 djm 643: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
644: for(i = 0; g.gl_pathv[i]; i++) {
645: if (!(aa = do_stat(in, out, g.gl_pathv[i])))
646: continue;
647: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
648: error("Can't get current ownership of "
649: "remote file \"%s\"", g.gl_pathv[i]);
650: continue;
651: }
652: printf("Changing owner on %s\n", g.gl_pathv[i]);
653: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
654: aa->uid = n_arg;
655: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 656: }
657: break;
658: case I_CHGRP:
659: path1 = make_absolute(path1, *pwd);
1.27 djm 660: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
661: for(i = 0; g.gl_pathv[i]; i++) {
662: if (!(aa = do_stat(in, out, g.gl_pathv[i])))
663: continue;
664: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
665: error("Can't get current ownership of "
666: "remote file \"%s\"", g.gl_pathv[i]);
667: continue;
668: }
669: printf("Changing group on %s\n", g.gl_pathv[i]);
670: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
671: aa->gid = n_arg;
672: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 673: }
674: break;
675: case I_PWD:
676: printf("Remote working directory: %s\n", *pwd);
677: break;
678: case I_LPWD:
679: if (!getcwd(path_buf, sizeof(path_buf)))
1.24 millert 680: error("Couldn't get local cwd: %s",
1.1 djm 681: strerror(errno));
682: else
683: printf("Local working directory: %s\n",
684: path_buf);
685: break;
686: case I_QUIT:
687: return(-1);
688: case I_HELP:
689: help();
1.28 ! markus 690: break;
! 691: case I_VERSION:
! 692: printf("SFTP protocol version %d\n", version);
1.1 djm 693: break;
694: default:
695: fatal("%d is not implemented", cmdnum);
696: }
697:
698: if (path1)
699: xfree(path1);
700: if (path2)
701: xfree(path2);
1.25 deraadt 702:
703: /* If an error occurs in batch mode we should abort. */
704: if (infile != stdin && err > 0)
705: return -1;
706:
1.1 djm 707: return(0);
708: }
709:
710: void
711: interactive_loop(int fd_in, int fd_out)
712: {
713: char *pwd;
714: char cmd[2048];
1.26 djm 715:
716: version = do_init(fd_in, fd_out);
717: if (version == -1)
718: fatal("Couldn't initialise connection to server");
1.1 djm 719:
720: pwd = do_realpath(fd_in, fd_out, ".");
721: if (pwd == NULL)
722: fatal("Need cwd");
723:
1.14 stevesk 724: setvbuf(stdout, NULL, _IOLBF, 0);
1.25 deraadt 725: setvbuf(infile, NULL, _IOLBF, 0);
1.1 djm 726:
727: for(;;) {
728: char *cp;
729:
730: printf("sftp> ");
731:
732: /* XXX: use libedit */
1.25 deraadt 733: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.1 djm 734: printf("\n");
735: break;
1.25 deraadt 736: } else if (infile != stdin) /* Bluff typing */
737: printf("%s", cmd);
738:
1.1 djm 739: cp = strrchr(cmd, '\n');
740: if (cp)
741: *cp = '\0';
1.25 deraadt 742:
1.1 djm 743: if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd))
744: break;
745: }
746: xfree(pwd);
747: }