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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"
1.35 ! mouring 29: RCSID("$OpenBSD: sftp-int.c,v 1.34 2001/04/11 07:06:22 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 },
1.34 djm 91: { "mget", I_GET },
1.15 stevesk 92: { "help", I_HELP },
93: { "lcd", I_LCHDIR },
94: { "lchdir", I_LCHDIR },
95: { "lls", I_LLS },
96: { "lmkdir", I_LMKDIR },
1.26 djm 97: { "ln", I_SYMLINK },
1.15 stevesk 98: { "lpwd", I_LPWD },
99: { "ls", I_LS },
100: { "lumask", I_LUMASK },
101: { "mkdir", I_MKDIR },
102: { "put", I_PUT },
1.34 djm 103: { "mput", I_PUT },
1.15 stevesk 104: { "pwd", I_PWD },
105: { "quit", I_QUIT },
106: { "rename", I_RENAME },
107: { "rm", I_RM },
108: { "rmdir", I_RMDIR },
1.26 djm 109: { "symlink", I_SYMLINK },
1.28 markus 110: { "version", I_VERSION },
1.6 deraadt 111: { "!", I_SHELL },
1.7 deraadt 112: { "?", I_HELP },
1.6 deraadt 113: { NULL, -1}
1.1 djm 114: };
115:
116: void
117: help(void)
118: {
119: printf("Available commands:\n");
1.13 stevesk 120: printf("cd path Change remote directory to 'path'\n");
121: printf("lcd path Change local directory to 'path'\n");
122: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
123: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
124: printf("chown own path Change owner of file 'path' to 'own'\n");
125: printf("help Display this help text\n");
126: printf("get remote-path [local-path] Download file\n");
127: printf("lls [ls-options [path]] Display local directory listing\n");
1.26 djm 128: printf("ln oldpath newpath Symlink remote file\n");
1.13 stevesk 129: printf("lmkdir path Create local directory\n");
130: printf("lpwd Print local working directory\n");
131: printf("ls [path] Display remote directory listing\n");
132: printf("lumask umask Set local umask to 'umask'\n");
133: printf("mkdir path Create remote directory\n");
134: printf("put local-path [remote-path] Upload file\n");
135: printf("pwd Display remote working directory\n");
136: printf("exit Quit sftp\n");
137: printf("quit Quit sftp\n");
138: printf("rename oldpath newpath Rename remote file\n");
139: printf("rmdir path Remove remote directory\n");
140: printf("rm path Delete remote file\n");
1.26 djm 141: printf("symlink oldpath newpath Symlink remote file\n");
1.28 markus 142: printf("version Show SFTP version\n");
1.1 djm 143: printf("!command Execute 'command' in local shell\n");
144: printf("! Escape to local shell\n");
1.13 stevesk 145: printf("? Synonym for help\n");
1.1 djm 146: }
147:
148: void
149: local_do_shell(const char *args)
150: {
151: int ret, status;
152: char *shell;
153: pid_t pid;
1.3 stevesk 154:
1.1 djm 155: if (!*args)
156: args = NULL;
1.3 stevesk 157:
1.1 djm 158: if ((shell = getenv("SHELL")) == NULL)
159: shell = _PATH_BSHELL;
160:
161: if ((pid = fork()) == -1)
162: fatal("Couldn't fork: %s", strerror(errno));
163:
164: if (pid == 0) {
165: /* XXX: child has pipe fds to ssh subproc open - issue? */
166: if (args) {
167: debug3("Executing %s -c \"%s\"", shell, args);
168: ret = execl(shell, shell, "-c", args, NULL);
169: } else {
170: debug3("Executing %s", shell);
171: ret = execl(shell, shell, NULL);
172: }
1.3 stevesk 173: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
1.1 djm 174: strerror(errno));
175: _exit(1);
176: }
177: if (waitpid(pid, &status, 0) == -1)
178: fatal("Couldn't wait for child: %s", strerror(errno));
179: if (!WIFEXITED(status))
180: error("Shell exited abormally");
181: else if (WEXITSTATUS(status))
182: error("Shell exited with status %d", WEXITSTATUS(status));
183: }
184:
1.3 stevesk 185: void
1.1 djm 186: local_do_ls(const char *args)
187: {
188: if (!args || !*args)
1.18 stevesk 189: local_do_shell(_PATH_LS);
1.1 djm 190: else {
1.18 stevesk 191: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
1.16 deraadt 192: char *buf = xmalloc(len);
1.1 djm 193:
194: /* XXX: quoting - rip quoting code from ftp? */
1.18 stevesk 195: snprintf(buf, len, _PATH_LS " %s", args);
1.1 djm 196: local_do_shell(buf);
1.16 deraadt 197: xfree(buf);
1.1 djm 198: }
199: }
200:
201: char *
1.29 djm 202: path_append(char *p1, char *p2)
203: {
204: char *ret;
1.31 markus 205: int len = strlen(p1) + strlen(p2) + 2;
1.29 djm 206:
1.31 markus 207: ret = xmalloc(len);
208: strlcpy(ret, p1, len);
209: strlcat(ret, "/", len);
210: strlcat(ret, p2, len);
1.29 djm 211:
212: return(ret);
213: }
214:
215: char *
1.1 djm 216: make_absolute(char *p, char *pwd)
217: {
1.29 djm 218: char *abs;
1.1 djm 219:
220: /* Derelativise */
221: if (p && p[0] != '/') {
1.29 djm 222: abs = path_append(pwd, p);
1.1 djm 223: xfree(p);
1.29 djm 224: return(abs);
225: } else
226: return(p);
227: }
228:
229: int
230: infer_path(const char *p, char **ifp)
231: {
232: char *cp;
233:
234: cp = strrchr(p, '/');
235: if (cp == NULL) {
236: *ifp = xstrdup(p);
237: return(0);
1.1 djm 238: }
239:
1.29 djm 240: if (!cp[1]) {
241: error("Invalid path");
242: return(-1);
243: }
244:
245: *ifp = xstrdup(cp + 1);
246: return(0);
1.1 djm 247: }
248:
249: int
250: parse_getput_flags(const char **cpp, int *pflag)
251: {
252: const char *cp = *cpp;
253:
254: /* Check for flags */
255: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
1.20 djm 256: switch (cp[1]) {
1.22 djm 257: case 'p':
1.1 djm 258: case 'P':
259: *pflag = 1;
260: break;
261: default:
1.22 djm 262: error("Invalid flag -%c", cp[1]);
1.1 djm 263: return(-1);
264: }
265: cp += 2;
266: *cpp = cp + strspn(cp, WHITESPACE);
267: }
268:
269: return(0);
270: }
271:
272: int
273: get_pathname(const char **cpp, char **path)
274: {
1.8 provos 275: const char *cp = *cpp, *end;
276: char quot;
1.1 djm 277: int i;
278:
279: cp += strspn(cp, WHITESPACE);
280: if (!*cp) {
281: *cpp = cp;
282: *path = NULL;
1.8 provos 283: return (0);
1.1 djm 284: }
285:
286: /* Check for quoted filenames */
287: if (*cp == '\"' || *cp == '\'') {
1.8 provos 288: quot = *cp++;
1.30 markus 289:
1.8 provos 290: end = strchr(cp, quot);
291: if (end == NULL) {
1.1 djm 292: error("Unterminated quote");
1.8 provos 293: goto fail;
1.1 djm 294: }
1.8 provos 295: if (cp == end) {
1.1 djm 296: error("Empty quotes");
1.8 provos 297: goto fail;
1.1 djm 298: }
1.8 provos 299: *cpp = end + 1 + strspn(end + 1, WHITESPACE);
300: } else {
301: /* Read to end of filename */
302: end = strpbrk(cp, WHITESPACE);
303: if (end == NULL)
304: end = strchr(cp, '\0');
305: *cpp = end + strspn(end, WHITESPACE);
1.1 djm 306: }
307:
1.8 provos 308: i = end - cp;
1.1 djm 309:
310: *path = xmalloc(i + 1);
311: memcpy(*path, cp, i);
312: (*path)[i] = '\0';
313: return(0);
1.8 provos 314:
315: fail:
316: *path = NULL;
317: return (-1);
1.1 djm 318: }
319:
320: int
1.29 djm 321: is_dir(char *path)
322: {
323: struct stat sb;
324:
325: /* XXX: report errors? */
326: if (stat(path, &sb) == -1)
327: return(0);
328:
329: return(sb.st_mode & S_IFDIR);
330: }
331:
332: int
333: remote_is_dir(int in, int out, char *path)
1.1 djm 334: {
1.29 djm 335: Attrib *a;
1.1 djm 336:
1.29 djm 337: /* XXX: report errors? */
338: if ((a = do_stat(in, out, path, 1)) == NULL)
339: return(0);
340: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
1.1 djm 341: return(0);
1.29 djm 342: return(a->perm & S_IFDIR);
343: }
344:
345: int
346: process_get(int in, int out, char *src, char *dst, char *pwd, int pflag)
347: {
348: char *abs_src = NULL;
349: char *abs_dst = NULL;
350: char *tmp;
351: glob_t g;
352: int err = 0;
353: int i;
1.30 markus 354:
1.29 djm 355: abs_src = xstrdup(src);
356: abs_src = make_absolute(abs_src, pwd);
357:
1.30 markus 358: memset(&g, 0, sizeof(g));
1.29 djm 359: debug3("Looking up %s", abs_src);
360: if (remote_glob(in, out, abs_src, 0, NULL, &g)) {
361: error("File \"%s\" not found.", abs_src);
362: err = -1;
363: goto out;
364: }
365:
366: /* Only one match, dst may be file, directory or unspecified */
367: if (g.gl_pathv[0] && g.gl_matchc == 1) {
368: if (dst) {
369: /* If directory specified, append filename */
370: if (is_dir(dst)) {
371: if (infer_path(g.gl_pathv[0], &tmp)) {
372: err = 1;
373: goto out;
374: }
375: abs_dst = path_append(dst, tmp);
376: xfree(tmp);
377: } else
378: abs_dst = xstrdup(dst);
379: } else if (infer_path(g.gl_pathv[0], &abs_dst)) {
380: err = -1;
381: goto out;
382: }
383: printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst);
384: err = do_download(in, out, g.gl_pathv[0], abs_dst, pflag);
385: goto out;
386: }
387:
388: /* Multiple matches, dst may be directory or unspecified */
389: if (dst && !is_dir(dst)) {
1.30 markus 390: error("Multiple files match, but \"%s\" is not a directory",
1.29 djm 391: dst);
392: err = -1;
393: goto out;
394: }
1.30 markus 395:
1.29 djm 396: for(i = 0; g.gl_pathv[i]; i++) {
397: if (infer_path(g.gl_pathv[i], &tmp)) {
398: err = -1;
399: goto out;
400: }
401: if (dst) {
402: abs_dst = path_append(dst, tmp);
403: xfree(tmp);
404: } else
405: abs_dst = tmp;
406:
407: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
408: if (do_download(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
409: err = -1;
410: xfree(abs_dst);
411: abs_dst = NULL;
1.1 djm 412: }
413:
1.29 djm 414: out:
415: xfree(abs_src);
416: if (abs_dst)
417: xfree(abs_dst);
418: globfree(&g);
419: return(err);
420: }
421:
422: int
423: process_put(int in, int out, char *src, char *dst, char *pwd, int pflag)
424: {
425: char *tmp_dst = NULL;
426: char *abs_dst = NULL;
427: char *tmp;
428: glob_t g;
429: int err = 0;
430: int i;
431:
432: if (dst) {
433: tmp_dst = xstrdup(dst);
434: tmp_dst = make_absolute(tmp_dst, pwd);
435: }
436:
1.30 markus 437: memset(&g, 0, sizeof(g));
1.29 djm 438: debug3("Looking up %s", src);
439: if (glob(src, 0, NULL, &g)) {
440: error("File \"%s\" not found.", src);
441: err = -1;
442: goto out;
443: }
444:
445: /* Only one match, dst may be file, directory or unspecified */
446: if (g.gl_pathv[0] && g.gl_matchc == 1) {
447: if (tmp_dst) {
448: /* If directory specified, append filename */
449: if (remote_is_dir(in, out, tmp_dst)) {
450: if (infer_path(g.gl_pathv[0], &tmp)) {
451: err = 1;
452: goto out;
453: }
454: abs_dst = path_append(tmp_dst, tmp);
455: xfree(tmp);
456: } else
457: abs_dst = xstrdup(tmp_dst);
1.32 markus 458: } else {
459: if (infer_path(g.gl_pathv[0], &abs_dst)) {
460: err = -1;
461: goto out;
462: }
463: abs_dst = make_absolute(abs_dst, pwd);
1.29 djm 464: }
465: printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst);
466: err = do_upload(in, out, g.gl_pathv[0], abs_dst, pflag);
467: goto out;
468: }
469:
470: /* Multiple matches, dst may be directory or unspecified */
471: if (tmp_dst && !remote_is_dir(in, out, tmp_dst)) {
1.30 markus 472: error("Multiple files match, but \"%s\" is not a directory",
1.29 djm 473: tmp_dst);
474: err = -1;
475: goto out;
476: }
477:
478: for(i = 0; g.gl_pathv[i]; i++) {
479: if (infer_path(g.gl_pathv[i], &tmp)) {
480: err = -1;
481: goto out;
482: }
483: if (tmp_dst) {
484: abs_dst = path_append(tmp_dst, tmp);
485: xfree(tmp);
486: } else
487: abs_dst = make_absolute(tmp, pwd);
488:
489: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
490: if (do_upload(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
491: err = -1;
1.1 djm 492: }
493:
1.29 djm 494: out:
495: if (abs_dst)
496: xfree(abs_dst);
497: if (tmp_dst)
498: xfree(tmp_dst);
499: return(err);
1.1 djm 500: }
501:
502: int
503: parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
504: char **path1, char **path2)
505: {
506: const char *cmd, *cp = *cpp;
1.21 stevesk 507: char *cp2;
1.4 markus 508: int base = 0;
1.21 stevesk 509: long l;
1.1 djm 510: int i, cmdnum;
511:
512: /* Skip leading whitespace */
513: cp = cp + strspn(cp, WHITESPACE);
514:
515: /* Ignore blank lines */
516: if (!*cp)
517: return(-1);
518:
519: /* Figure out which command we have */
520: for(i = 0; cmds[i].c; i++) {
521: int cmdlen = strlen(cmds[i].c);
522:
523: /* Check for command followed by whitespace */
524: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
525: strchr(WHITESPACE, cp[cmdlen])) {
526: cp += cmdlen;
527: cp = cp + strspn(cp, WHITESPACE);
528: break;
529: }
530: }
531: cmdnum = cmds[i].n;
532: cmd = cmds[i].c;
533:
534: /* Special case */
535: if (*cp == '!') {
536: cp++;
537: cmdnum = I_SHELL;
538: } else if (cmdnum == -1) {
539: error("Invalid command.");
540: return(-1);
541: }
542:
543: /* Get arguments and parse flags */
544: *pflag = *n_arg = 0;
545: *path1 = *path2 = NULL;
546: switch (cmdnum) {
547: case I_GET:
548: case I_PUT:
549: if (parse_getput_flags(&cp, pflag))
550: return(-1);
551: /* Get first pathname (mandatory) */
552: if (get_pathname(&cp, path1))
553: return(-1);
554: if (*path1 == NULL) {
555: error("You must specify at least one path after a "
556: "%s command.", cmd);
557: return(-1);
558: }
559: /* Try to get second pathname (optional) */
560: if (get_pathname(&cp, path2))
561: return(-1);
562: break;
563: case I_RENAME:
1.26 djm 564: case I_SYMLINK:
1.1 djm 565: if (get_pathname(&cp, path1))
566: return(-1);
567: if (get_pathname(&cp, path2))
568: return(-1);
569: if (!*path1 || !*path2) {
570: error("You must specify two paths after a %s "
571: "command.", cmd);
572: return(-1);
573: }
574: break;
575: case I_RM:
576: case I_MKDIR:
577: case I_RMDIR:
578: case I_CHDIR:
579: case I_LCHDIR:
580: case I_LMKDIR:
581: /* Get pathname (mandatory) */
582: if (get_pathname(&cp, path1))
583: return(-1);
584: if (*path1 == NULL) {
1.3 stevesk 585: error("You must specify a path after a %s command.",
1.1 djm 586: cmd);
587: return(-1);
588: }
589: break;
590: case I_LS:
591: /* Path is optional */
592: if (get_pathname(&cp, path1))
593: return(-1);
594: break;
595: case I_LLS:
596: case I_SHELL:
597: /* Uses the rest of the line */
598: break;
599: case I_LUMASK:
1.21 stevesk 600: base = 8;
1.1 djm 601: case I_CHMOD:
1.4 markus 602: base = 8;
1.1 djm 603: case I_CHOWN:
604: case I_CHGRP:
605: /* Get numeric arg (mandatory) */
1.21 stevesk 606: l = strtol(cp, &cp2, base);
607: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
608: errno == ERANGE) || l < 0) {
1.1 djm 609: error("You must supply a numeric argument "
610: "to the %s command.", cmd);
611: return(-1);
612: }
1.21 stevesk 613: cp = cp2;
614: *n_arg = l;
615: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
616: break;
617: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
1.1 djm 618: error("You must supply a numeric argument "
619: "to the %s command.", cmd);
620: return(-1);
621: }
622: cp += strspn(cp, WHITESPACE);
623:
624: /* Get pathname (mandatory) */
625: if (get_pathname(&cp, path1))
626: return(-1);
627: if (*path1 == NULL) {
1.3 stevesk 628: error("You must specify a path after a %s command.",
1.1 djm 629: cmd);
630: return(-1);
631: }
632: break;
633: case I_QUIT:
634: case I_PWD:
635: case I_LPWD:
636: case I_HELP:
1.28 markus 637: case I_VERSION:
1.1 djm 638: break;
639: default:
640: fatal("Command not implemented");
641: }
642:
643: *cpp = cp;
644: return(cmdnum);
645: }
646:
647: int
648: parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
649: {
1.8 provos 650: char *path1, *path2, *tmp;
1.27 djm 651: int pflag, cmdnum, i;
1.1 djm 652: unsigned long n_arg;
653: Attrib a, *aa;
1.23 deraadt 654: char path_buf[MAXPATHLEN];
1.25 deraadt 655: int err = 0;
1.27 djm 656: glob_t g;
1.1 djm 657:
658: path1 = path2 = NULL;
659: cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
660:
1.29 djm 661: memset(&g, 0, sizeof(g));
662:
1.1 djm 663: /* Perform command */
664: switch (cmdnum) {
665: case -1:
666: break;
667: case I_GET:
1.29 djm 668: err = process_get(in, out, path1, path2, *pwd, pflag);
1.1 djm 669: break;
670: case I_PUT:
1.29 djm 671: err = process_put(in, out, path1, path2, *pwd, pflag);
1.33 markus 672: break;
673: case I_RENAME:
1.1 djm 674: path1 = make_absolute(path1, *pwd);
675: path2 = make_absolute(path2, *pwd);
1.25 deraadt 676: err = do_rename(in, out, path1, path2);
1.1 djm 677: break;
1.26 djm 678: case I_SYMLINK:
679: if (version < 3) {
680: error("The server (version %d) does not support "
681: "this operation", version);
682: err = -1;
683: } else {
684: path2 = make_absolute(path2, *pwd);
685: err = do_symlink(in, out, path1, path2);
686: }
687: break;
1.1 djm 688: case I_RM:
689: path1 = make_absolute(path1, *pwd);
1.27 djm 690: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
691: for(i = 0; g.gl_pathv[i]; i++) {
692: printf("Removing %s\n", g.gl_pathv[i]);
693: if (do_rm(in, out, g.gl_pathv[i]) == -1)
694: err = -1;
695: }
1.1 djm 696: break;
697: case I_MKDIR:
698: path1 = make_absolute(path1, *pwd);
699: attrib_clear(&a);
700: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
701: a.perm = 0777;
1.25 deraadt 702: err = do_mkdir(in, out, path1, &a);
1.1 djm 703: break;
704: case I_RMDIR:
705: path1 = make_absolute(path1, *pwd);
1.25 deraadt 706: err = do_rmdir(in, out, path1);
1.1 djm 707: break;
708: case I_CHDIR:
709: path1 = make_absolute(path1, *pwd);
1.25 deraadt 710: if ((tmp = do_realpath(in, out, path1)) == NULL) {
711: err = 1;
1.11 markus 712: break;
1.25 deraadt 713: }
1.29 djm 714: if ((aa = do_stat(in, out, tmp, 0)) == NULL) {
1.11 markus 715: xfree(tmp);
1.25 deraadt 716: err = 1;
1.11 markus 717: break;
718: }
1.9 djm 719: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
720: error("Can't change directory: Can't check target");
721: xfree(tmp);
1.25 deraadt 722: err = 1;
1.9 djm 723: break;
724: }
725: if (!S_ISDIR(aa->perm)) {
726: error("Can't change directory: \"%s\" is not "
727: "a directory", tmp);
728: xfree(tmp);
1.25 deraadt 729: err = 1;
1.9 djm 730: break;
731: }
1.11 markus 732: xfree(*pwd);
733: *pwd = tmp;
1.1 djm 734: break;
735: case I_LS:
1.12 djm 736: if (!path1) {
737: do_ls(in, out, *pwd);
738: break;
739: }
1.1 djm 740: path1 = make_absolute(path1, *pwd);
1.12 djm 741: if ((tmp = do_realpath(in, out, path1)) == NULL)
742: break;
743: xfree(path1);
744: path1 = tmp;
1.29 djm 745: if ((aa = do_stat(in, out, path1, 0)) == NULL)
1.12 djm 746: break;
1.30 markus 747: if ((aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
1.12 djm 748: !S_ISDIR(aa->perm)) {
749: error("Can't ls: \"%s\" is not a directory", path1);
750: break;
751: }
752: do_ls(in, out, path1);
1.1 djm 753: break;
754: case I_LCHDIR:
1.25 deraadt 755: if (chdir(path1) == -1) {
1.1 djm 756: error("Couldn't change local directory to "
757: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 758: err = 1;
759: }
1.1 djm 760: break;
761: case I_LMKDIR:
1.25 deraadt 762: if (mkdir(path1, 0777) == -1) {
1.17 stevesk 763: error("Couldn't create local directory "
1.1 djm 764: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 765: err = 1;
766: }
1.1 djm 767: break;
768: case I_LLS:
769: local_do_ls(cmd);
770: break;
771: case I_SHELL:
772: local_do_shell(cmd);
773: break;
774: case I_LUMASK:
775: umask(n_arg);
1.21 stevesk 776: printf("Local umask: %03lo\n", n_arg);
1.1 djm 777: break;
778: case I_CHMOD:
779: path1 = make_absolute(path1, *pwd);
780: attrib_clear(&a);
781: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
782: a.perm = n_arg;
1.27 djm 783: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
784: for(i = 0; g.gl_pathv[i]; i++) {
785: printf("Changing mode on %s\n", g.gl_pathv[i]);
786: do_setstat(in, out, g.gl_pathv[i], &a);
787: }
1.5 stevesk 788: break;
1.1 djm 789: case I_CHOWN:
790: path1 = make_absolute(path1, *pwd);
1.27 djm 791: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
792: for(i = 0; g.gl_pathv[i]; i++) {
1.29 djm 793: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
1.27 djm 794: continue;
795: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
796: error("Can't get current ownership of "
797: "remote file \"%s\"", g.gl_pathv[i]);
798: continue;
799: }
800: printf("Changing owner on %s\n", g.gl_pathv[i]);
801: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
802: aa->uid = n_arg;
803: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 804: }
805: break;
806: case I_CHGRP:
807: path1 = make_absolute(path1, *pwd);
1.27 djm 808: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
809: for(i = 0; g.gl_pathv[i]; i++) {
1.29 djm 810: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
1.27 djm 811: continue;
812: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
813: error("Can't get current ownership of "
814: "remote file \"%s\"", g.gl_pathv[i]);
815: continue;
816: }
817: printf("Changing group on %s\n", g.gl_pathv[i]);
818: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
819: aa->gid = n_arg;
820: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 821: }
822: break;
823: case I_PWD:
824: printf("Remote working directory: %s\n", *pwd);
825: break;
826: case I_LPWD:
827: if (!getcwd(path_buf, sizeof(path_buf)))
1.24 millert 828: error("Couldn't get local cwd: %s",
1.1 djm 829: strerror(errno));
830: else
831: printf("Local working directory: %s\n",
832: path_buf);
833: break;
834: case I_QUIT:
835: return(-1);
836: case I_HELP:
837: help();
1.28 markus 838: break;
839: case I_VERSION:
840: printf("SFTP protocol version %d\n", version);
1.1 djm 841: break;
842: default:
843: fatal("%d is not implemented", cmdnum);
844: }
845:
1.29 djm 846: if (g.gl_pathc)
847: globfree(&g);
1.1 djm 848: if (path1)
849: xfree(path1);
850: if (path2)
851: xfree(path2);
1.25 deraadt 852:
853: /* If an error occurs in batch mode we should abort. */
854: if (infile != stdin && err > 0)
855: return -1;
856:
1.1 djm 857: return(0);
858: }
859:
860: void
1.35 ! mouring 861: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1.1 djm 862: {
863: char *pwd;
1.35 ! mouring 864: char *dir = NULL;
1.1 djm 865: char cmd[2048];
1.26 djm 866:
867: version = do_init(fd_in, fd_out);
868: if (version == -1)
869: fatal("Couldn't initialise connection to server");
1.1 djm 870:
871: pwd = do_realpath(fd_in, fd_out, ".");
872: if (pwd == NULL)
873: fatal("Need cwd");
874:
1.35 ! mouring 875: if (file1 != NULL) {
! 876: dir = xstrdup(file1);
! 877: dir = make_absolute(dir, pwd);
! 878:
! 879: if (remote_is_dir(fd_in, fd_out, dir) && file2 == NULL) {
! 880: printf("Changing to: %s\n", dir);
! 881: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
! 882: parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
! 883: } else {
! 884: if (file2 == NULL)
! 885: snprintf(cmd, sizeof cmd, "get %s", dir);
! 886: else
! 887: snprintf(cmd, sizeof cmd, "get %s %s", dir,
! 888: file2);
! 889:
! 890: parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
! 891: return;
! 892: }
! 893: }
1.14 stevesk 894: setvbuf(stdout, NULL, _IOLBF, 0);
1.25 deraadt 895: setvbuf(infile, NULL, _IOLBF, 0);
1.1 djm 896:
897: for(;;) {
898: char *cp;
899:
900: printf("sftp> ");
901:
902: /* XXX: use libedit */
1.25 deraadt 903: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.1 djm 904: printf("\n");
905: break;
1.25 deraadt 906: } else if (infile != stdin) /* Bluff typing */
907: printf("%s", cmd);
908:
1.1 djm 909: cp = strrchr(cmd, '\n');
910: if (cp)
911: *cp = '\0';
1.25 deraadt 912:
1.1 djm 913: if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd))
914: break;
915: }
916: xfree(pwd);
917: }