![[BACK]](/icons/back.gif){kind=icon}
Return to sftp-int.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / ssh|
Return to sftp-int.c CVS log | Up to [local] / src / usr.bin / ssh |
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"
1.22.2.5! miod 29: RCSID("$OpenBSD: sftp-int.c,v 1.40 2001/08/14 09:23:02 markus Exp $");
1.22.2.3 jason 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"
1.22.2.3 jason 40: #include "sftp-glob.h"
1.1 djm 41: #include "sftp-client.h"
42: #include "sftp-int.h"
43:
1.22.2.3 jason 44: /* File to read commands from */
45: extern FILE *infile;
46:
47: /* Version of server we are speaking to */
48: int version;
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
1.22.2.3 jason 74: #define I_SYMLINK 21
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[] = {
1.22.2.5! miod 83: { "bye", I_QUIT },
1.15 stevesk 84: { "cd", I_CHDIR },
85: { "chdir", I_CHDIR },
86: { "chgrp", I_CHGRP },
87: { "chmod", I_CHMOD },
88: { "chown", I_CHOWN },
89: { "dir", I_LS },
90: { "exit", I_QUIT },
91: { "get", I_GET },
1.22.2.4 jason 92: { "mget", I_GET },
1.15 stevesk 93: { "help", I_HELP },
94: { "lcd", I_LCHDIR },
95: { "lchdir", I_LCHDIR },
96: { "lls", I_LLS },
97: { "lmkdir", I_LMKDIR },
1.22.2.3 jason 98: { "ln", I_SYMLINK },
1.15 stevesk 99: { "lpwd", I_LPWD },
100: { "ls", I_LS },
101: { "lumask", I_LUMASK },
102: { "mkdir", I_MKDIR },
103: { "put", I_PUT },
1.22.2.4 jason 104: { "mput", I_PUT },
1.15 stevesk 105: { "pwd", I_PWD },
106: { "quit", I_QUIT },
107: { "rename", I_RENAME },
108: { "rm", I_RM },
109: { "rmdir", I_RMDIR },
1.22.2.3 jason 110: { "symlink", I_SYMLINK },
111: { "version", I_VERSION },
1.6 deraadt 112: { "!", I_SHELL },
1.7 deraadt 113: { "?", I_HELP },
1.6 deraadt 114: { NULL, -1}
1.1 djm 115: };
116:
1.22.2.5! miod 117: static void
1.1 djm 118: help(void)
119: {
120: printf("Available commands:\n");
1.13 stevesk 121: printf("cd path Change remote directory to 'path'\n");
122: printf("lcd path Change local directory to 'path'\n");
123: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
124: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
125: printf("chown own path Change owner of file 'path' to 'own'\n");
126: printf("help Display this help text\n");
127: printf("get remote-path [local-path] Download file\n");
128: printf("lls [ls-options [path]] Display local directory listing\n");
1.22.2.3 jason 129: printf("ln oldpath newpath Symlink remote file\n");
1.13 stevesk 130: printf("lmkdir path Create local directory\n");
131: printf("lpwd Print local working directory\n");
132: printf("ls [path] Display remote directory listing\n");
133: printf("lumask umask Set local umask to 'umask'\n");
134: printf("mkdir path Create remote directory\n");
135: printf("put local-path [remote-path] Upload file\n");
136: printf("pwd Display remote working directory\n");
137: printf("exit Quit sftp\n");
138: printf("quit Quit sftp\n");
139: printf("rename oldpath newpath Rename remote file\n");
140: printf("rmdir path Remove remote directory\n");
141: printf("rm path Delete remote file\n");
1.22.2.3 jason 142: printf("symlink oldpath newpath Symlink remote file\n");
143: printf("version Show SFTP version\n");
1.1 djm 144: printf("!command Execute 'command' in local shell\n");
145: printf("! Escape to local shell\n");
1.13 stevesk 146: printf("? Synonym for help\n");
1.1 djm 147: }
148:
1.22.2.5! miod 149: static void
1.1 djm 150: local_do_shell(const char *args)
151: {
1.22.2.4 jason 152: int status;
1.1 djm 153: char *shell;
154: pid_t pid;
1.3 stevesk 155:
1.1 djm 156: if (!*args)
157: args = NULL;
1.3 stevesk 158:
1.1 djm 159: if ((shell = getenv("SHELL")) == NULL)
160: shell = _PATH_BSHELL;
161:
162: if ((pid = fork()) == -1)
163: fatal("Couldn't fork: %s", strerror(errno));
164:
165: if (pid == 0) {
166: /* XXX: child has pipe fds to ssh subproc open - issue? */
167: if (args) {
168: debug3("Executing %s -c \"%s\"", shell, args);
1.22.2.5! miod 169: execl(shell, shell, "-c", args, (char *)NULL);
1.1 djm 170: } else {
171: debug3("Executing %s", shell);
1.22.2.5! miod 172: execl(shell, shell, (char *)NULL);
1.1 djm 173: }
1.3 stevesk 174: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
1.1 djm 175: strerror(errno));
176: _exit(1);
177: }
178: if (waitpid(pid, &status, 0) == -1)
179: fatal("Couldn't wait for child: %s", strerror(errno));
180: if (!WIFEXITED(status))
181: error("Shell exited abormally");
182: else if (WEXITSTATUS(status))
183: error("Shell exited with status %d", WEXITSTATUS(status));
184: }
185:
1.22.2.5! miod 186: static void
1.1 djm 187: local_do_ls(const char *args)
188: {
189: if (!args || !*args)
1.18 stevesk 190: local_do_shell(_PATH_LS);
1.1 djm 191: else {
1.18 stevesk 192: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
1.16 deraadt 193: char *buf = xmalloc(len);
1.1 djm 194:
195: /* XXX: quoting - rip quoting code from ftp? */
1.18 stevesk 196: snprintf(buf, len, _PATH_LS " %s", args);
1.1 djm 197: local_do_shell(buf);
1.16 deraadt 198: xfree(buf);
1.1 djm 199: }
200: }
201:
1.22.2.5! miod 202: static char *
1.22.2.3 jason 203: path_append(char *p1, char *p2)
204: {
205: char *ret;
206: int len = strlen(p1) + strlen(p2) + 2;
207:
208: ret = xmalloc(len);
209: strlcpy(ret, p1, len);
1.22.2.5! miod 210: if (strcmp(p1, "/") != 0)
! 211: strlcat(ret, "/", len);
1.22.2.3 jason 212: strlcat(ret, p2, len);
213:
214: return(ret);
215: }
216:
1.22.2.5! miod 217: static char *
1.1 djm 218: make_absolute(char *p, char *pwd)
219: {
1.22.2.3 jason 220: char *abs;
1.1 djm 221:
222: /* Derelativise */
223: if (p && p[0] != '/') {
1.22.2.3 jason 224: abs = path_append(pwd, p);
1.1 djm 225: xfree(p);
1.22.2.3 jason 226: return(abs);
227: } else
228: return(p);
229: }
230:
1.22.2.5! miod 231: static int
1.22.2.3 jason 232: infer_path(const char *p, char **ifp)
233: {
234: char *cp;
235:
236: cp = strrchr(p, '/');
237: if (cp == NULL) {
238: *ifp = xstrdup(p);
239: return(0);
240: }
241:
242: if (!cp[1]) {
243: error("Invalid path");
244: return(-1);
1.1 djm 245: }
246:
1.22.2.3 jason 247: *ifp = xstrdup(cp + 1);
248: return(0);
1.1 djm 249: }
250:
1.22.2.5! miod 251: static int
1.1 djm 252: parse_getput_flags(const char **cpp, int *pflag)
253: {
254: const char *cp = *cpp;
255:
256: /* Check for flags */
257: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
1.20 djm 258: switch (cp[1]) {
1.22 djm 259: case 'p':
1.1 djm 260: case 'P':
261: *pflag = 1;
262: break;
263: default:
1.22 djm 264: error("Invalid flag -%c", cp[1]);
1.1 djm 265: return(-1);
266: }
267: cp += 2;
268: *cpp = cp + strspn(cp, WHITESPACE);
269: }
270:
271: return(0);
272: }
273:
1.22.2.5! miod 274: static int
1.1 djm 275: get_pathname(const char **cpp, char **path)
276: {
1.8 provos 277: const char *cp = *cpp, *end;
278: char quot;
1.1 djm 279: int i;
280:
281: cp += strspn(cp, WHITESPACE);
282: if (!*cp) {
283: *cpp = cp;
284: *path = NULL;
1.8 provos 285: return (0);
1.1 djm 286: }
287:
288: /* Check for quoted filenames */
289: if (*cp == '\"' || *cp == '\'') {
1.8 provos 290: quot = *cp++;
1.22.2.3 jason 291:
1.8 provos 292: end = strchr(cp, quot);
293: if (end == NULL) {
1.1 djm 294: error("Unterminated quote");
1.8 provos 295: goto fail;
1.1 djm 296: }
1.8 provos 297: if (cp == end) {
1.1 djm 298: error("Empty quotes");
1.8 provos 299: goto fail;
1.1 djm 300: }
1.8 provos 301: *cpp = end + 1 + strspn(end + 1, WHITESPACE);
302: } else {
303: /* Read to end of filename */
304: end = strpbrk(cp, WHITESPACE);
305: if (end == NULL)
306: end = strchr(cp, '\0');
307: *cpp = end + strspn(end, WHITESPACE);
1.1 djm 308: }
309:
1.8 provos 310: i = end - cp;
1.1 djm 311:
312: *path = xmalloc(i + 1);
313: memcpy(*path, cp, i);
314: (*path)[i] = '\0';
315: return(0);
1.8 provos 316:
317: fail:
318: *path = NULL;
319: return (-1);
1.1 djm 320: }
321:
1.22.2.5! miod 322: static int
1.22.2.3 jason 323: is_dir(char *path)
1.1 djm 324: {
1.22.2.3 jason 325: struct stat sb;
1.1 djm 326:
1.22.2.3 jason 327: /* XXX: report errors? */
328: if (stat(path, &sb) == -1)
329: return(0);
1.1 djm 330:
1.22.2.3 jason 331: return(sb.st_mode & S_IFDIR);
332: }
333:
1.22.2.5! miod 334: static int
1.22.2.3 jason 335: remote_is_dir(int in, int out, char *path)
336: {
337: Attrib *a;
338:
339: /* XXX: report errors? */
340: if ((a = do_stat(in, out, path, 1)) == NULL)
1.1 djm 341: return(0);
1.22.2.3 jason 342: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
343: return(0);
344: return(a->perm & S_IFDIR);
345: }
1.1 djm 346:
1.22.2.5! miod 347: static int
1.22.2.3 jason 348: process_get(int in, int out, char *src, char *dst, char *pwd, int pflag)
349: {
350: char *abs_src = NULL;
351: char *abs_dst = NULL;
352: char *tmp;
353: glob_t g;
354: int err = 0;
355: int i;
356:
357: abs_src = xstrdup(src);
358: abs_src = make_absolute(abs_src, pwd);
359:
360: memset(&g, 0, sizeof(g));
361: debug3("Looking up %s", abs_src);
362: if (remote_glob(in, out, abs_src, 0, NULL, &g)) {
363: error("File \"%s\" not found.", abs_src);
364: err = -1;
365: goto out;
366: }
367:
368: /* Only one match, dst may be file, directory or unspecified */
369: if (g.gl_pathv[0] && g.gl_matchc == 1) {
370: if (dst) {
371: /* If directory specified, append filename */
372: if (is_dir(dst)) {
373: if (infer_path(g.gl_pathv[0], &tmp)) {
374: err = 1;
375: goto out;
376: }
377: abs_dst = path_append(dst, tmp);
378: xfree(tmp);
379: } else
380: abs_dst = xstrdup(dst);
381: } else if (infer_path(g.gl_pathv[0], &abs_dst)) {
382: err = -1;
383: goto out;
384: }
385: printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst);
386: err = do_download(in, out, g.gl_pathv[0], abs_dst, pflag);
387: goto out;
388: }
389:
390: /* Multiple matches, dst may be directory or unspecified */
391: if (dst && !is_dir(dst)) {
392: error("Multiple files match, but \"%s\" is not a directory",
393: dst);
394: err = -1;
395: goto out;
396: }
397:
398: for(i = 0; g.gl_pathv[i]; i++) {
399: if (infer_path(g.gl_pathv[i], &tmp)) {
400: err = -1;
401: goto out;
402: }
403: if (dst) {
404: abs_dst = path_append(dst, tmp);
405: xfree(tmp);
406: } else
407: abs_dst = tmp;
408:
409: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
410: if (do_download(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
411: err = -1;
412: xfree(abs_dst);
413: abs_dst = NULL;
414: }
415:
416: out:
417: xfree(abs_src);
418: if (abs_dst)
419: xfree(abs_dst);
420: globfree(&g);
421: return(err);
422: }
423:
1.22.2.5! miod 424: static int
1.22.2.3 jason 425: process_put(int in, int out, char *src, char *dst, char *pwd, int pflag)
426: {
427: char *tmp_dst = NULL;
428: char *abs_dst = NULL;
429: char *tmp;
430: glob_t g;
431: int err = 0;
432: int i;
433:
434: if (dst) {
435: tmp_dst = xstrdup(dst);
436: tmp_dst = make_absolute(tmp_dst, pwd);
437: }
438:
439: memset(&g, 0, sizeof(g));
440: debug3("Looking up %s", src);
441: if (glob(src, 0, NULL, &g)) {
442: error("File \"%s\" not found.", src);
443: err = -1;
444: goto out;
445: }
446:
447: /* Only one match, dst may be file, directory or unspecified */
448: if (g.gl_pathv[0] && g.gl_matchc == 1) {
449: if (tmp_dst) {
450: /* If directory specified, append filename */
451: if (remote_is_dir(in, out, tmp_dst)) {
452: if (infer_path(g.gl_pathv[0], &tmp)) {
453: err = 1;
454: goto out;
455: }
456: abs_dst = path_append(tmp_dst, tmp);
457: xfree(tmp);
458: } else
459: abs_dst = xstrdup(tmp_dst);
1.22.2.4 jason 460: } else {
461: if (infer_path(g.gl_pathv[0], &abs_dst)) {
462: err = -1;
463: goto out;
464: }
465: abs_dst = make_absolute(abs_dst, pwd);
1.22.2.3 jason 466: }
467: printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst);
468: err = do_upload(in, out, g.gl_pathv[0], abs_dst, pflag);
469: goto out;
470: }
471:
472: /* Multiple matches, dst may be directory or unspecified */
473: if (tmp_dst && !remote_is_dir(in, out, tmp_dst)) {
474: error("Multiple files match, but \"%s\" is not a directory",
475: tmp_dst);
476: err = -1;
477: goto out;
478: }
479:
480: for(i = 0; g.gl_pathv[i]; i++) {
481: if (infer_path(g.gl_pathv[i], &tmp)) {
482: err = -1;
483: goto out;
484: }
485: if (tmp_dst) {
486: abs_dst = path_append(tmp_dst, tmp);
487: xfree(tmp);
488: } else
489: abs_dst = make_absolute(tmp, pwd);
490:
491: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
492: if (do_upload(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
493: err = -1;
1.1 djm 494: }
495:
1.22.2.3 jason 496: out:
497: if (abs_dst)
498: xfree(abs_dst);
499: if (tmp_dst)
500: xfree(tmp_dst);
501: return(err);
1.1 djm 502: }
503:
1.22.2.5! miod 504: static int
1.1 djm 505: parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
506: char **path1, char **path2)
507: {
508: const char *cmd, *cp = *cpp;
1.21 stevesk 509: char *cp2;
1.4 markus 510: int base = 0;
1.21 stevesk 511: long l;
1.1 djm 512: int i, cmdnum;
513:
514: /* Skip leading whitespace */
515: cp = cp + strspn(cp, WHITESPACE);
516:
517: /* Ignore blank lines */
518: if (!*cp)
519: return(-1);
520:
521: /* Figure out which command we have */
522: for(i = 0; cmds[i].c; i++) {
523: int cmdlen = strlen(cmds[i].c);
524:
525: /* Check for command followed by whitespace */
526: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
527: strchr(WHITESPACE, cp[cmdlen])) {
528: cp += cmdlen;
529: cp = cp + strspn(cp, WHITESPACE);
530: break;
531: }
532: }
533: cmdnum = cmds[i].n;
534: cmd = cmds[i].c;
535:
536: /* Special case */
537: if (*cp == '!') {
538: cp++;
539: cmdnum = I_SHELL;
540: } else if (cmdnum == -1) {
541: error("Invalid command.");
542: return(-1);
543: }
544:
545: /* Get arguments and parse flags */
546: *pflag = *n_arg = 0;
547: *path1 = *path2 = NULL;
548: switch (cmdnum) {
549: case I_GET:
550: case I_PUT:
551: if (parse_getput_flags(&cp, pflag))
552: return(-1);
553: /* Get first pathname (mandatory) */
554: if (get_pathname(&cp, path1))
555: return(-1);
556: if (*path1 == NULL) {
557: error("You must specify at least one path after a "
558: "%s command.", cmd);
559: return(-1);
560: }
561: /* Try to get second pathname (optional) */
562: if (get_pathname(&cp, path2))
563: return(-1);
564: break;
565: case I_RENAME:
1.22.2.3 jason 566: case I_SYMLINK:
1.1 djm 567: if (get_pathname(&cp, path1))
568: return(-1);
569: if (get_pathname(&cp, path2))
570: return(-1);
571: if (!*path1 || !*path2) {
572: error("You must specify two paths after a %s "
573: "command.", cmd);
574: return(-1);
575: }
576: break;
577: case I_RM:
578: case I_MKDIR:
579: case I_RMDIR:
580: case I_CHDIR:
581: case I_LCHDIR:
582: case I_LMKDIR:
583: /* Get pathname (mandatory) */
584: if (get_pathname(&cp, path1))
585: return(-1);
586: if (*path1 == NULL) {
1.3 stevesk 587: error("You must specify a path after a %s command.",
1.1 djm 588: cmd);
589: return(-1);
590: }
591: break;
592: case I_LS:
593: /* Path is optional */
594: if (get_pathname(&cp, path1))
595: return(-1);
596: break;
597: case I_LLS:
598: case I_SHELL:
599: /* Uses the rest of the line */
600: break;
601: case I_LUMASK:
1.21 stevesk 602: base = 8;
1.1 djm 603: case I_CHMOD:
1.4 markus 604: base = 8;
1.1 djm 605: case I_CHOWN:
606: case I_CHGRP:
607: /* Get numeric arg (mandatory) */
1.21 stevesk 608: l = strtol(cp, &cp2, base);
609: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
610: errno == ERANGE) || l < 0) {
1.1 djm 611: error("You must supply a numeric argument "
612: "to the %s command.", cmd);
613: return(-1);
614: }
1.21 stevesk 615: cp = cp2;
616: *n_arg = l;
617: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
618: break;
619: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
1.1 djm 620: error("You must supply a numeric argument "
621: "to the %s command.", cmd);
622: return(-1);
623: }
624: cp += strspn(cp, WHITESPACE);
625:
626: /* Get pathname (mandatory) */
627: if (get_pathname(&cp, path1))
628: return(-1);
629: if (*path1 == NULL) {
1.3 stevesk 630: error("You must specify a path after a %s command.",
1.1 djm 631: cmd);
632: return(-1);
633: }
634: break;
635: case I_QUIT:
636: case I_PWD:
637: case I_LPWD:
638: case I_HELP:
1.22.2.3 jason 639: case I_VERSION:
1.1 djm 640: break;
641: default:
642: fatal("Command not implemented");
643: }
644:
645: *cpp = cp;
646: return(cmdnum);
647: }
648:
1.22.2.5! miod 649: static int
1.1 djm 650: parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
651: {
1.8 provos 652: char *path1, *path2, *tmp;
1.22.2.3 jason 653: int pflag, cmdnum, i;
1.1 djm 654: unsigned long n_arg;
655: Attrib a, *aa;
1.22.2.3 jason 656: char path_buf[MAXPATHLEN];
657: int err = 0;
658: glob_t g;
1.1 djm 659:
660: path1 = path2 = NULL;
661: cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
662:
1.22.2.3 jason 663: memset(&g, 0, sizeof(g));
664:
1.1 djm 665: /* Perform command */
666: switch (cmdnum) {
667: case -1:
668: break;
669: case I_GET:
1.22.2.3 jason 670: err = process_get(in, out, path1, path2, *pwd, pflag);
1.1 djm 671: break;
672: case I_PUT:
1.22.2.3 jason 673: err = process_put(in, out, path1, path2, *pwd, pflag);
1.22.2.4 jason 674: break;
675: case I_RENAME:
1.1 djm 676: path1 = make_absolute(path1, *pwd);
677: path2 = make_absolute(path2, *pwd);
1.22.2.3 jason 678: err = do_rename(in, out, path1, path2);
679: break;
680: case I_SYMLINK:
681: if (version < 3) {
682: error("The server (version %d) does not support "
683: "this operation", version);
684: err = -1;
685: } else {
686: path2 = make_absolute(path2, *pwd);
687: err = do_symlink(in, out, path1, path2);
688: }
1.1 djm 689: break;
690: case I_RM:
691: path1 = make_absolute(path1, *pwd);
1.22.2.3 jason 692: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
693: for(i = 0; g.gl_pathv[i]; i++) {
694: printf("Removing %s\n", g.gl_pathv[i]);
695: if (do_rm(in, out, g.gl_pathv[i]) == -1)
696: err = -1;
697: }
1.1 djm 698: break;
699: case I_MKDIR:
700: path1 = make_absolute(path1, *pwd);
701: attrib_clear(&a);
702: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
703: a.perm = 0777;
1.22.2.3 jason 704: err = do_mkdir(in, out, path1, &a);
1.1 djm 705: break;
706: case I_RMDIR:
707: path1 = make_absolute(path1, *pwd);
1.22.2.3 jason 708: err = do_rmdir(in, out, path1);
1.1 djm 709: break;
710: case I_CHDIR:
711: path1 = make_absolute(path1, *pwd);
1.22.2.3 jason 712: if ((tmp = do_realpath(in, out, path1)) == NULL) {
713: err = 1;
1.11 markus 714: break;
1.22.2.3 jason 715: }
716: if ((aa = do_stat(in, out, tmp, 0)) == NULL) {
1.11 markus 717: xfree(tmp);
1.22.2.3 jason 718: err = 1;
1.11 markus 719: break;
720: }
1.9 djm 721: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
722: error("Can't change directory: Can't check target");
723: xfree(tmp);
1.22.2.3 jason 724: err = 1;
1.9 djm 725: break;
726: }
727: if (!S_ISDIR(aa->perm)) {
728: error("Can't change directory: \"%s\" is not "
729: "a directory", tmp);
730: xfree(tmp);
1.22.2.3 jason 731: err = 1;
1.9 djm 732: break;
733: }
1.11 markus 734: xfree(*pwd);
735: *pwd = tmp;
1.1 djm 736: break;
737: case I_LS:
1.12 djm 738: if (!path1) {
739: do_ls(in, out, *pwd);
740: break;
741: }
1.1 djm 742: path1 = make_absolute(path1, *pwd);
1.12 djm 743: if ((tmp = do_realpath(in, out, path1)) == NULL)
744: break;
745: xfree(path1);
746: path1 = tmp;
1.22.2.3 jason 747: if ((aa = do_stat(in, out, path1, 0)) == NULL)
1.12 djm 748: break;
1.22.2.3 jason 749: if ((aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
1.12 djm 750: !S_ISDIR(aa->perm)) {
751: error("Can't ls: \"%s\" is not a directory", path1);
752: break;
753: }
754: do_ls(in, out, path1);
1.1 djm 755: break;
756: case I_LCHDIR:
1.22.2.3 jason 757: if (chdir(path1) == -1) {
1.1 djm 758: error("Couldn't change local directory to "
759: "\"%s\": %s", path1, strerror(errno));
1.22.2.3 jason 760: err = 1;
761: }
1.1 djm 762: break;
763: case I_LMKDIR:
1.22.2.3 jason 764: if (mkdir(path1, 0777) == -1) {
1.17 stevesk 765: error("Couldn't create local directory "
1.1 djm 766: "\"%s\": %s", path1, strerror(errno));
1.22.2.3 jason 767: err = 1;
768: }
1.1 djm 769: break;
770: case I_LLS:
771: local_do_ls(cmd);
772: break;
773: case I_SHELL:
774: local_do_shell(cmd);
775: break;
776: case I_LUMASK:
777: umask(n_arg);
1.21 stevesk 778: printf("Local umask: %03lo\n", n_arg);
1.1 djm 779: break;
780: case I_CHMOD:
781: path1 = make_absolute(path1, *pwd);
782: attrib_clear(&a);
783: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
784: a.perm = n_arg;
1.22.2.3 jason 785: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
786: for(i = 0; g.gl_pathv[i]; i++) {
787: printf("Changing mode on %s\n", g.gl_pathv[i]);
788: do_setstat(in, out, g.gl_pathv[i], &a);
789: }
1.5 stevesk 790: break;
1.1 djm 791: case I_CHOWN:
792: path1 = make_absolute(path1, *pwd);
1.22.2.3 jason 793: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
794: for(i = 0; g.gl_pathv[i]; i++) {
795: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
796: continue;
797: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
798: error("Can't get current ownership of "
799: "remote file \"%s\"", g.gl_pathv[i]);
800: continue;
801: }
802: printf("Changing owner on %s\n", g.gl_pathv[i]);
803: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
804: aa->uid = n_arg;
805: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 806: }
807: break;
808: case I_CHGRP:
809: path1 = make_absolute(path1, *pwd);
1.22.2.3 jason 810: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
811: for(i = 0; g.gl_pathv[i]; i++) {
812: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
813: continue;
814: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
815: error("Can't get current ownership of "
816: "remote file \"%s\"", g.gl_pathv[i]);
817: continue;
818: }
819: printf("Changing group on %s\n", g.gl_pathv[i]);
820: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
821: aa->gid = n_arg;
822: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 823: }
824: break;
825: case I_PWD:
826: printf("Remote working directory: %s\n", *pwd);
827: break;
828: case I_LPWD:
829: if (!getcwd(path_buf, sizeof(path_buf)))
1.22.2.3 jason 830: error("Couldn't get local cwd: %s",
1.1 djm 831: strerror(errno));
832: else
833: printf("Local working directory: %s\n",
834: path_buf);
835: break;
836: case I_QUIT:
837: return(-1);
838: case I_HELP:
839: help();
840: break;
1.22.2.3 jason 841: case I_VERSION:
842: printf("SFTP protocol version %d\n", version);
843: break;
1.1 djm 844: default:
845: fatal("%d is not implemented", cmdnum);
846: }
847:
1.22.2.3 jason 848: if (g.gl_pathc)
849: globfree(&g);
1.1 djm 850: if (path1)
851: xfree(path1);
852: if (path2)
853: xfree(path2);
1.22.2.3 jason 854:
855: /* If an error occurs in batch mode we should abort. */
856: if (infile != stdin && err > 0)
857: return -1;
858:
1.1 djm 859: return(0);
860: }
861:
862: void
1.22.2.4 jason 863: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1.1 djm 864: {
865: char *pwd;
1.22.2.4 jason 866: char *dir = NULL;
1.1 djm 867: char cmd[2048];
868:
1.22.2.3 jason 869: version = do_init(fd_in, fd_out);
870: if (version == -1)
871: fatal("Couldn't initialise connection to server");
872:
1.1 djm 873: pwd = do_realpath(fd_in, fd_out, ".");
874: if (pwd == NULL)
875: fatal("Need cwd");
876:
1.22.2.4 jason 877: if (file1 != NULL) {
878: dir = xstrdup(file1);
879: dir = make_absolute(dir, pwd);
880:
881: if (remote_is_dir(fd_in, fd_out, dir) && file2 == NULL) {
882: printf("Changing to: %s\n", dir);
883: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
884: parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
885: } else {
886: if (file2 == NULL)
887: snprintf(cmd, sizeof cmd, "get %s", dir);
888: else
889: snprintf(cmd, sizeof cmd, "get %s %s", dir,
890: file2);
891:
892: parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
893: return;
894: }
895: }
1.14 stevesk 896: setvbuf(stdout, NULL, _IOLBF, 0);
1.22.2.3 jason 897: setvbuf(infile, NULL, _IOLBF, 0);
1.1 djm 898:
899: for(;;) {
900: char *cp;
901:
902: printf("sftp> ");
903:
904: /* XXX: use libedit */
1.22.2.3 jason 905: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.1 djm 906: printf("\n");
907: break;
1.22.2.3 jason 908: } else if (infile != stdin) /* Bluff typing */
909: printf("%s", cmd);
910:
1.1 djm 911: cp = strrchr(cmd, '\n');
912: if (cp)
913: *cp = '\0';
1.22.2.3 jason 914:
1.1 djm 915: if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd))
916: break;
917: }
918: xfree(pwd);
919: }