Annotation of src/usr.bin/ssh/sftp-int.c, Revision 1.42
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"
1.42 ! djm 29: RCSID("$OpenBSD: sftp-int.c,v 1.41 2001/12/19 07:18:56 deraadt 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:
1.42 ! djm 47: /* Size of buffer used when copying files */
! 48: extern size_t copy_buffer_len;
! 49:
1.26 djm 50: /* Version of server we are speaking to */
51: int version;
1.25 deraadt 52:
1.1 djm 53: /* Seperators for interactive commands */
54: #define WHITESPACE " \t\r\n"
55:
56: /* Commands for interactive mode */
57: #define I_CHDIR 1
58: #define I_CHGRP 2
59: #define I_CHMOD 3
60: #define I_CHOWN 4
61: #define I_GET 5
62: #define I_HELP 6
63: #define I_LCHDIR 7
64: #define I_LLS 8
65: #define I_LMKDIR 9
66: #define I_LPWD 10
67: #define I_LS 11
68: #define I_LUMASK 12
69: #define I_MKDIR 13
70: #define I_PUT 14
71: #define I_PWD 15
72: #define I_QUIT 16
73: #define I_RENAME 17
74: #define I_RM 18
75: #define I_RMDIR 19
76: #define I_SHELL 20
1.26 djm 77: #define I_SYMLINK 21
1.28 markus 78: #define I_VERSION 22
1.1 djm 79:
80: struct CMD {
1.6 deraadt 81: const char *c;
1.1 djm 82: const int n;
83: };
84:
85: const struct CMD cmds[] = {
1.40 markus 86: { "bye", I_QUIT },
1.15 stevesk 87: { "cd", I_CHDIR },
88: { "chdir", I_CHDIR },
89: { "chgrp", I_CHGRP },
90: { "chmod", I_CHMOD },
91: { "chown", I_CHOWN },
92: { "dir", I_LS },
93: { "exit", I_QUIT },
94: { "get", I_GET },
1.34 djm 95: { "mget", I_GET },
1.15 stevesk 96: { "help", I_HELP },
97: { "lcd", I_LCHDIR },
98: { "lchdir", I_LCHDIR },
99: { "lls", I_LLS },
100: { "lmkdir", I_LMKDIR },
1.26 djm 101: { "ln", I_SYMLINK },
1.15 stevesk 102: { "lpwd", I_LPWD },
103: { "ls", I_LS },
104: { "lumask", I_LUMASK },
105: { "mkdir", I_MKDIR },
106: { "put", I_PUT },
1.34 djm 107: { "mput", I_PUT },
1.15 stevesk 108: { "pwd", I_PWD },
109: { "quit", I_QUIT },
110: { "rename", I_RENAME },
111: { "rm", I_RM },
112: { "rmdir", I_RMDIR },
1.26 djm 113: { "symlink", I_SYMLINK },
1.28 markus 114: { "version", I_VERSION },
1.6 deraadt 115: { "!", I_SHELL },
1.7 deraadt 116: { "?", I_HELP },
1.6 deraadt 117: { NULL, -1}
1.1 djm 118: };
119:
1.37 itojun 120: static void
1.1 djm 121: help(void)
122: {
123: printf("Available commands:\n");
1.13 stevesk 124: printf("cd path Change remote directory to 'path'\n");
125: printf("lcd path Change local directory to 'path'\n");
126: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
127: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
128: printf("chown own path Change owner of file 'path' to 'own'\n");
129: printf("help Display this help text\n");
130: printf("get remote-path [local-path] Download file\n");
131: printf("lls [ls-options [path]] Display local directory listing\n");
1.26 djm 132: printf("ln oldpath newpath Symlink remote file\n");
1.13 stevesk 133: printf("lmkdir path Create local directory\n");
134: printf("lpwd Print local working directory\n");
135: printf("ls [path] Display remote directory listing\n");
136: printf("lumask umask Set local umask to 'umask'\n");
137: printf("mkdir path Create remote directory\n");
138: printf("put local-path [remote-path] Upload file\n");
139: printf("pwd Display remote working directory\n");
140: printf("exit Quit sftp\n");
141: printf("quit Quit sftp\n");
142: printf("rename oldpath newpath Rename remote file\n");
143: printf("rmdir path Remove remote directory\n");
144: printf("rm path Delete remote file\n");
1.26 djm 145: printf("symlink oldpath newpath Symlink remote file\n");
1.28 markus 146: printf("version Show SFTP version\n");
1.1 djm 147: printf("!command Execute 'command' in local shell\n");
148: printf("! Escape to local shell\n");
1.13 stevesk 149: printf("? Synonym for help\n");
1.1 djm 150: }
151:
1.37 itojun 152: static void
1.1 djm 153: local_do_shell(const char *args)
154: {
1.36 markus 155: int status;
1.1 djm 156: char *shell;
157: pid_t pid;
1.3 stevesk 158:
1.1 djm 159: if (!*args)
160: args = NULL;
1.3 stevesk 161:
1.1 djm 162: if ((shell = getenv("SHELL")) == NULL)
163: shell = _PATH_BSHELL;
164:
165: if ((pid = fork()) == -1)
166: fatal("Couldn't fork: %s", strerror(errno));
167:
168: if (pid == 0) {
169: /* XXX: child has pipe fds to ssh subproc open - issue? */
170: if (args) {
171: debug3("Executing %s -c \"%s\"", shell, args);
1.38 deraadt 172: execl(shell, shell, "-c", args, (char *)NULL);
1.1 djm 173: } else {
174: debug3("Executing %s", shell);
1.38 deraadt 175: execl(shell, shell, (char *)NULL);
1.1 djm 176: }
1.3 stevesk 177: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
1.1 djm 178: strerror(errno));
179: _exit(1);
180: }
181: if (waitpid(pid, &status, 0) == -1)
182: fatal("Couldn't wait for child: %s", strerror(errno));
183: if (!WIFEXITED(status))
184: error("Shell exited abormally");
185: else if (WEXITSTATUS(status))
186: error("Shell exited with status %d", WEXITSTATUS(status));
187: }
188:
1.37 itojun 189: static void
1.1 djm 190: local_do_ls(const char *args)
191: {
192: if (!args || !*args)
1.18 stevesk 193: local_do_shell(_PATH_LS);
1.1 djm 194: else {
1.18 stevesk 195: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
1.16 deraadt 196: char *buf = xmalloc(len);
1.1 djm 197:
198: /* XXX: quoting - rip quoting code from ftp? */
1.18 stevesk 199: snprintf(buf, len, _PATH_LS " %s", args);
1.1 djm 200: local_do_shell(buf);
1.16 deraadt 201: xfree(buf);
1.1 djm 202: }
203: }
204:
1.37 itojun 205: static char *
1.29 djm 206: path_append(char *p1, char *p2)
207: {
208: char *ret;
1.31 markus 209: int len = strlen(p1) + strlen(p2) + 2;
1.29 djm 210:
1.31 markus 211: ret = xmalloc(len);
212: strlcpy(ret, p1, len);
1.41 deraadt 213: if (strcmp(p1, "/") != 0)
1.39 jakob 214: strlcat(ret, "/", len);
1.31 markus 215: strlcat(ret, p2, len);
1.29 djm 216:
217: return(ret);
218: }
219:
1.37 itojun 220: static char *
1.1 djm 221: make_absolute(char *p, char *pwd)
222: {
1.29 djm 223: char *abs;
1.1 djm 224:
225: /* Derelativise */
226: if (p && p[0] != '/') {
1.29 djm 227: abs = path_append(pwd, p);
1.1 djm 228: xfree(p);
1.29 djm 229: return(abs);
230: } else
231: return(p);
232: }
233:
1.37 itojun 234: static int
1.29 djm 235: infer_path(const char *p, char **ifp)
236: {
237: char *cp;
238:
239: cp = strrchr(p, '/');
240: if (cp == NULL) {
241: *ifp = xstrdup(p);
242: return(0);
1.1 djm 243: }
244:
1.29 djm 245: if (!cp[1]) {
246: error("Invalid path");
247: return(-1);
248: }
249:
250: *ifp = xstrdup(cp + 1);
251: return(0);
1.1 djm 252: }
253:
1.37 itojun 254: static int
1.1 djm 255: parse_getput_flags(const char **cpp, int *pflag)
256: {
257: const char *cp = *cpp;
258:
259: /* Check for flags */
260: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
1.20 djm 261: switch (cp[1]) {
1.22 djm 262: case 'p':
1.1 djm 263: case 'P':
264: *pflag = 1;
265: break;
266: default:
1.22 djm 267: error("Invalid flag -%c", cp[1]);
1.1 djm 268: return(-1);
269: }
270: cp += 2;
271: *cpp = cp + strspn(cp, WHITESPACE);
272: }
273:
274: return(0);
275: }
276:
1.37 itojun 277: static int
1.1 djm 278: get_pathname(const char **cpp, char **path)
279: {
1.8 provos 280: const char *cp = *cpp, *end;
281: char quot;
1.1 djm 282: int i;
283:
284: cp += strspn(cp, WHITESPACE);
285: if (!*cp) {
286: *cpp = cp;
287: *path = NULL;
1.8 provos 288: return (0);
1.1 djm 289: }
290:
291: /* Check for quoted filenames */
292: if (*cp == '\"' || *cp == '\'') {
1.8 provos 293: quot = *cp++;
1.30 markus 294:
1.8 provos 295: end = strchr(cp, quot);
296: if (end == NULL) {
1.1 djm 297: error("Unterminated quote");
1.8 provos 298: goto fail;
1.1 djm 299: }
1.8 provos 300: if (cp == end) {
1.1 djm 301: error("Empty quotes");
1.8 provos 302: goto fail;
1.1 djm 303: }
1.8 provos 304: *cpp = end + 1 + strspn(end + 1, WHITESPACE);
305: } else {
306: /* Read to end of filename */
307: end = strpbrk(cp, WHITESPACE);
308: if (end == NULL)
309: end = strchr(cp, '\0');
310: *cpp = end + strspn(end, WHITESPACE);
1.1 djm 311: }
312:
1.8 provos 313: i = end - cp;
1.1 djm 314:
315: *path = xmalloc(i + 1);
316: memcpy(*path, cp, i);
317: (*path)[i] = '\0';
318: return(0);
1.8 provos 319:
320: fail:
321: *path = NULL;
322: return (-1);
1.1 djm 323: }
324:
1.37 itojun 325: static int
1.29 djm 326: is_dir(char *path)
327: {
328: struct stat sb;
329:
330: /* XXX: report errors? */
331: if (stat(path, &sb) == -1)
332: return(0);
333:
334: return(sb.st_mode & S_IFDIR);
335: }
336:
1.37 itojun 337: static int
1.29 djm 338: remote_is_dir(int in, int out, char *path)
1.1 djm 339: {
1.29 djm 340: Attrib *a;
1.1 djm 341:
1.29 djm 342: /* XXX: report errors? */
343: if ((a = do_stat(in, out, path, 1)) == NULL)
344: return(0);
345: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
1.1 djm 346: return(0);
1.29 djm 347: return(a->perm & S_IFDIR);
348: }
349:
1.37 itojun 350: static int
1.29 djm 351: process_get(int in, int out, char *src, char *dst, char *pwd, int pflag)
352: {
353: char *abs_src = NULL;
354: char *abs_dst = NULL;
355: char *tmp;
356: glob_t g;
357: int err = 0;
358: int i;
1.30 markus 359:
1.29 djm 360: abs_src = xstrdup(src);
361: abs_src = make_absolute(abs_src, pwd);
362:
1.30 markus 363: memset(&g, 0, sizeof(g));
1.29 djm 364: debug3("Looking up %s", abs_src);
365: if (remote_glob(in, out, abs_src, 0, NULL, &g)) {
366: error("File \"%s\" not found.", abs_src);
367: err = -1;
368: goto out;
369: }
370:
371: /* Only one match, dst may be file, directory or unspecified */
372: if (g.gl_pathv[0] && g.gl_matchc == 1) {
373: if (dst) {
374: /* If directory specified, append filename */
375: if (is_dir(dst)) {
376: if (infer_path(g.gl_pathv[0], &tmp)) {
377: err = 1;
378: goto out;
379: }
380: abs_dst = path_append(dst, tmp);
381: xfree(tmp);
382: } else
383: abs_dst = xstrdup(dst);
384: } else if (infer_path(g.gl_pathv[0], &abs_dst)) {
385: err = -1;
386: goto out;
387: }
388: printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst);
1.42 ! djm 389: err = do_download(in, out, g.gl_pathv[0], abs_dst, pflag,
! 390: copy_buffer_len);
1.29 djm 391: goto out;
392: }
393:
394: /* Multiple matches, dst may be directory or unspecified */
395: if (dst && !is_dir(dst)) {
1.30 markus 396: error("Multiple files match, but \"%s\" is not a directory",
1.29 djm 397: dst);
398: err = -1;
399: goto out;
400: }
1.30 markus 401:
1.41 deraadt 402: for (i = 0; g.gl_pathv[i]; i++) {
1.29 djm 403: if (infer_path(g.gl_pathv[i], &tmp)) {
404: err = -1;
405: goto out;
406: }
407: if (dst) {
408: abs_dst = path_append(dst, tmp);
409: xfree(tmp);
410: } else
411: abs_dst = tmp;
412:
413: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.42 ! djm 414: if (do_download(in, out, g.gl_pathv[i], abs_dst, pflag,
! 415: copy_buffer_len) == -1)
1.29 djm 416: err = -1;
417: xfree(abs_dst);
418: abs_dst = NULL;
1.1 djm 419: }
420:
1.29 djm 421: out:
422: xfree(abs_src);
423: if (abs_dst)
424: xfree(abs_dst);
425: globfree(&g);
426: return(err);
427: }
428:
1.37 itojun 429: static int
1.29 djm 430: process_put(int in, int out, char *src, char *dst, char *pwd, int pflag)
431: {
432: char *tmp_dst = NULL;
433: char *abs_dst = NULL;
434: char *tmp;
435: glob_t g;
436: int err = 0;
437: int i;
438:
439: if (dst) {
440: tmp_dst = xstrdup(dst);
441: tmp_dst = make_absolute(tmp_dst, pwd);
442: }
443:
1.30 markus 444: memset(&g, 0, sizeof(g));
1.29 djm 445: debug3("Looking up %s", src);
446: if (glob(src, 0, NULL, &g)) {
447: error("File \"%s\" not found.", src);
448: err = -1;
449: goto out;
450: }
451:
452: /* Only one match, dst may be file, directory or unspecified */
453: if (g.gl_pathv[0] && g.gl_matchc == 1) {
454: if (tmp_dst) {
455: /* If directory specified, append filename */
456: if (remote_is_dir(in, out, tmp_dst)) {
457: if (infer_path(g.gl_pathv[0], &tmp)) {
458: err = 1;
459: goto out;
460: }
461: abs_dst = path_append(tmp_dst, tmp);
462: xfree(tmp);
463: } else
464: abs_dst = xstrdup(tmp_dst);
1.32 markus 465: } else {
466: if (infer_path(g.gl_pathv[0], &abs_dst)) {
467: err = -1;
468: goto out;
469: }
470: abs_dst = make_absolute(abs_dst, pwd);
1.29 djm 471: }
472: printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst);
1.42 ! djm 473: err = do_upload(in, out, g.gl_pathv[0], abs_dst, pflag,
! 474: copy_buffer_len);
1.29 djm 475: goto out;
476: }
477:
478: /* Multiple matches, dst may be directory or unspecified */
479: if (tmp_dst && !remote_is_dir(in, out, tmp_dst)) {
1.30 markus 480: error("Multiple files match, but \"%s\" is not a directory",
1.29 djm 481: tmp_dst);
482: err = -1;
483: goto out;
484: }
485:
1.41 deraadt 486: for (i = 0; g.gl_pathv[i]; i++) {
1.29 djm 487: if (infer_path(g.gl_pathv[i], &tmp)) {
488: err = -1;
489: goto out;
490: }
491: if (tmp_dst) {
492: abs_dst = path_append(tmp_dst, tmp);
493: xfree(tmp);
494: } else
495: abs_dst = make_absolute(tmp, pwd);
496:
497: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.42 ! djm 498: if (do_upload(in, out, g.gl_pathv[i], abs_dst, pflag,
! 499: copy_buffer_len) == -1)
1.29 djm 500: err = -1;
1.1 djm 501: }
502:
1.29 djm 503: out:
504: if (abs_dst)
505: xfree(abs_dst);
506: if (tmp_dst)
507: xfree(tmp_dst);
508: return(err);
1.1 djm 509: }
510:
1.37 itojun 511: static int
1.1 djm 512: parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
513: char **path1, char **path2)
514: {
515: const char *cmd, *cp = *cpp;
1.21 stevesk 516: char *cp2;
1.4 markus 517: int base = 0;
1.21 stevesk 518: long l;
1.1 djm 519: int i, cmdnum;
520:
521: /* Skip leading whitespace */
522: cp = cp + strspn(cp, WHITESPACE);
523:
524: /* Ignore blank lines */
525: if (!*cp)
526: return(-1);
527:
528: /* Figure out which command we have */
1.41 deraadt 529: for (i = 0; cmds[i].c; i++) {
1.1 djm 530: int cmdlen = strlen(cmds[i].c);
531:
532: /* Check for command followed by whitespace */
533: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
534: strchr(WHITESPACE, cp[cmdlen])) {
535: cp += cmdlen;
536: cp = cp + strspn(cp, WHITESPACE);
537: break;
538: }
539: }
540: cmdnum = cmds[i].n;
541: cmd = cmds[i].c;
542:
543: /* Special case */
544: if (*cp == '!') {
545: cp++;
546: cmdnum = I_SHELL;
547: } else if (cmdnum == -1) {
548: error("Invalid command.");
549: return(-1);
550: }
551:
552: /* Get arguments and parse flags */
553: *pflag = *n_arg = 0;
554: *path1 = *path2 = NULL;
555: switch (cmdnum) {
556: case I_GET:
557: case I_PUT:
558: if (parse_getput_flags(&cp, pflag))
559: return(-1);
560: /* Get first pathname (mandatory) */
561: if (get_pathname(&cp, path1))
562: return(-1);
563: if (*path1 == NULL) {
564: error("You must specify at least one path after a "
565: "%s command.", cmd);
566: return(-1);
567: }
568: /* Try to get second pathname (optional) */
569: if (get_pathname(&cp, path2))
570: return(-1);
571: break;
572: case I_RENAME:
1.26 djm 573: case I_SYMLINK:
1.1 djm 574: if (get_pathname(&cp, path1))
575: return(-1);
576: if (get_pathname(&cp, path2))
577: return(-1);
578: if (!*path1 || !*path2) {
579: error("You must specify two paths after a %s "
580: "command.", cmd);
581: return(-1);
582: }
583: break;
584: case I_RM:
585: case I_MKDIR:
586: case I_RMDIR:
587: case I_CHDIR:
588: case I_LCHDIR:
589: case I_LMKDIR:
590: /* Get pathname (mandatory) */
591: if (get_pathname(&cp, path1))
592: return(-1);
593: if (*path1 == NULL) {
1.3 stevesk 594: error("You must specify a path after a %s command.",
1.1 djm 595: cmd);
596: return(-1);
597: }
598: break;
599: case I_LS:
600: /* Path is optional */
601: if (get_pathname(&cp, path1))
602: return(-1);
603: break;
604: case I_LLS:
605: case I_SHELL:
606: /* Uses the rest of the line */
607: break;
608: case I_LUMASK:
1.21 stevesk 609: base = 8;
1.1 djm 610: case I_CHMOD:
1.4 markus 611: base = 8;
1.1 djm 612: case I_CHOWN:
613: case I_CHGRP:
614: /* Get numeric arg (mandatory) */
1.21 stevesk 615: l = strtol(cp, &cp2, base);
616: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
617: errno == ERANGE) || l < 0) {
1.1 djm 618: error("You must supply a numeric argument "
619: "to the %s command.", cmd);
620: return(-1);
621: }
1.21 stevesk 622: cp = cp2;
623: *n_arg = l;
624: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
625: break;
626: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
1.1 djm 627: error("You must supply a numeric argument "
628: "to the %s command.", cmd);
629: return(-1);
630: }
631: cp += strspn(cp, WHITESPACE);
632:
633: /* Get pathname (mandatory) */
634: if (get_pathname(&cp, path1))
635: return(-1);
636: if (*path1 == NULL) {
1.3 stevesk 637: error("You must specify a path after a %s command.",
1.1 djm 638: cmd);
639: return(-1);
640: }
641: break;
642: case I_QUIT:
643: case I_PWD:
644: case I_LPWD:
645: case I_HELP:
1.28 markus 646: case I_VERSION:
1.1 djm 647: break;
648: default:
649: fatal("Command not implemented");
650: }
651:
652: *cpp = cp;
653: return(cmdnum);
654: }
655:
1.37 itojun 656: static int
1.1 djm 657: parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
658: {
1.8 provos 659: char *path1, *path2, *tmp;
1.27 djm 660: int pflag, cmdnum, i;
1.1 djm 661: unsigned long n_arg;
662: Attrib a, *aa;
1.23 deraadt 663: char path_buf[MAXPATHLEN];
1.25 deraadt 664: int err = 0;
1.27 djm 665: glob_t g;
1.1 djm 666:
667: path1 = path2 = NULL;
668: cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
669:
1.29 djm 670: memset(&g, 0, sizeof(g));
671:
1.1 djm 672: /* Perform command */
673: switch (cmdnum) {
674: case -1:
675: break;
676: case I_GET:
1.29 djm 677: err = process_get(in, out, path1, path2, *pwd, pflag);
1.1 djm 678: break;
679: case I_PUT:
1.29 djm 680: err = process_put(in, out, path1, path2, *pwd, pflag);
1.33 markus 681: break;
682: case I_RENAME:
1.1 djm 683: path1 = make_absolute(path1, *pwd);
684: path2 = make_absolute(path2, *pwd);
1.25 deraadt 685: err = do_rename(in, out, path1, path2);
1.1 djm 686: break;
1.26 djm 687: case I_SYMLINK:
688: if (version < 3) {
689: error("The server (version %d) does not support "
690: "this operation", version);
691: err = -1;
692: } else {
693: path2 = make_absolute(path2, *pwd);
694: err = do_symlink(in, out, path1, path2);
695: }
696: break;
1.1 djm 697: case I_RM:
698: path1 = make_absolute(path1, *pwd);
1.27 djm 699: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 700: for (i = 0; g.gl_pathv[i]; i++) {
1.27 djm 701: printf("Removing %s\n", g.gl_pathv[i]);
702: if (do_rm(in, out, g.gl_pathv[i]) == -1)
703: err = -1;
704: }
1.1 djm 705: break;
706: case I_MKDIR:
707: path1 = make_absolute(path1, *pwd);
708: attrib_clear(&a);
709: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
710: a.perm = 0777;
1.25 deraadt 711: err = do_mkdir(in, out, path1, &a);
1.1 djm 712: break;
713: case I_RMDIR:
714: path1 = make_absolute(path1, *pwd);
1.25 deraadt 715: err = do_rmdir(in, out, path1);
1.1 djm 716: break;
717: case I_CHDIR:
718: path1 = make_absolute(path1, *pwd);
1.25 deraadt 719: if ((tmp = do_realpath(in, out, path1)) == NULL) {
720: err = 1;
1.11 markus 721: break;
1.25 deraadt 722: }
1.29 djm 723: if ((aa = do_stat(in, out, tmp, 0)) == NULL) {
1.11 markus 724: xfree(tmp);
1.25 deraadt 725: err = 1;
1.11 markus 726: break;
727: }
1.9 djm 728: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
729: error("Can't change directory: Can't check target");
730: xfree(tmp);
1.25 deraadt 731: err = 1;
1.9 djm 732: break;
733: }
734: if (!S_ISDIR(aa->perm)) {
735: error("Can't change directory: \"%s\" is not "
736: "a directory", tmp);
737: xfree(tmp);
1.25 deraadt 738: err = 1;
1.9 djm 739: break;
740: }
1.11 markus 741: xfree(*pwd);
742: *pwd = tmp;
1.1 djm 743: break;
744: case I_LS:
1.12 djm 745: if (!path1) {
746: do_ls(in, out, *pwd);
747: break;
748: }
1.1 djm 749: path1 = make_absolute(path1, *pwd);
1.12 djm 750: if ((tmp = do_realpath(in, out, path1)) == NULL)
751: break;
752: xfree(path1);
753: path1 = tmp;
1.29 djm 754: if ((aa = do_stat(in, out, path1, 0)) == NULL)
1.12 djm 755: break;
1.30 markus 756: if ((aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
1.12 djm 757: !S_ISDIR(aa->perm)) {
758: error("Can't ls: \"%s\" is not a directory", path1);
759: break;
760: }
761: do_ls(in, out, path1);
1.1 djm 762: break;
763: case I_LCHDIR:
1.25 deraadt 764: if (chdir(path1) == -1) {
1.1 djm 765: error("Couldn't change local directory to "
766: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 767: err = 1;
768: }
1.1 djm 769: break;
770: case I_LMKDIR:
1.25 deraadt 771: if (mkdir(path1, 0777) == -1) {
1.17 stevesk 772: error("Couldn't create local directory "
1.1 djm 773: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 774: err = 1;
775: }
1.1 djm 776: break;
777: case I_LLS:
778: local_do_ls(cmd);
779: break;
780: case I_SHELL:
781: local_do_shell(cmd);
782: break;
783: case I_LUMASK:
784: umask(n_arg);
1.21 stevesk 785: printf("Local umask: %03lo\n", n_arg);
1.1 djm 786: break;
787: case I_CHMOD:
788: path1 = make_absolute(path1, *pwd);
789: attrib_clear(&a);
790: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
791: a.perm = n_arg;
1.27 djm 792: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 793: for (i = 0; g.gl_pathv[i]; i++) {
1.27 djm 794: printf("Changing mode on %s\n", g.gl_pathv[i]);
795: do_setstat(in, out, g.gl_pathv[i], &a);
796: }
1.5 stevesk 797: break;
1.1 djm 798: case I_CHOWN:
799: path1 = make_absolute(path1, *pwd);
1.27 djm 800: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 801: for (i = 0; g.gl_pathv[i]; i++) {
1.29 djm 802: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
1.27 djm 803: continue;
804: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
805: error("Can't get current ownership of "
806: "remote file \"%s\"", g.gl_pathv[i]);
807: continue;
808: }
809: printf("Changing owner on %s\n", g.gl_pathv[i]);
810: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
811: aa->uid = n_arg;
812: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 813: }
814: break;
815: case I_CHGRP:
816: path1 = make_absolute(path1, *pwd);
1.27 djm 817: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 818: for (i = 0; g.gl_pathv[i]; i++) {
1.29 djm 819: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
1.27 djm 820: continue;
821: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
822: error("Can't get current ownership of "
823: "remote file \"%s\"", g.gl_pathv[i]);
824: continue;
825: }
826: printf("Changing group on %s\n", g.gl_pathv[i]);
827: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
828: aa->gid = n_arg;
829: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 830: }
831: break;
832: case I_PWD:
833: printf("Remote working directory: %s\n", *pwd);
834: break;
835: case I_LPWD:
836: if (!getcwd(path_buf, sizeof(path_buf)))
1.24 millert 837: error("Couldn't get local cwd: %s",
1.1 djm 838: strerror(errno));
839: else
840: printf("Local working directory: %s\n",
841: path_buf);
842: break;
843: case I_QUIT:
844: return(-1);
845: case I_HELP:
846: help();
1.28 markus 847: break;
848: case I_VERSION:
849: printf("SFTP protocol version %d\n", version);
1.1 djm 850: break;
851: default:
852: fatal("%d is not implemented", cmdnum);
853: }
854:
1.29 djm 855: if (g.gl_pathc)
856: globfree(&g);
1.1 djm 857: if (path1)
858: xfree(path1);
859: if (path2)
860: xfree(path2);
1.25 deraadt 861:
862: /* If an error occurs in batch mode we should abort. */
863: if (infile != stdin && err > 0)
864: return -1;
865:
1.1 djm 866: return(0);
867: }
868:
869: void
1.35 mouring 870: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1.1 djm 871: {
872: char *pwd;
1.35 mouring 873: char *dir = NULL;
1.1 djm 874: char cmd[2048];
1.26 djm 875:
876: version = do_init(fd_in, fd_out);
877: if (version == -1)
878: fatal("Couldn't initialise connection to server");
1.1 djm 879:
880: pwd = do_realpath(fd_in, fd_out, ".");
881: if (pwd == NULL)
882: fatal("Need cwd");
883:
1.35 mouring 884: if (file1 != NULL) {
885: dir = xstrdup(file1);
886: dir = make_absolute(dir, pwd);
887:
888: if (remote_is_dir(fd_in, fd_out, dir) && file2 == NULL) {
889: printf("Changing to: %s\n", dir);
890: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
891: parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
892: } else {
893: if (file2 == NULL)
894: snprintf(cmd, sizeof cmd, "get %s", dir);
895: else
896: snprintf(cmd, sizeof cmd, "get %s %s", dir,
897: file2);
898:
899: parse_dispatch_command(fd_in, fd_out, cmd, &pwd);
900: return;
901: }
902: }
1.14 stevesk 903: setvbuf(stdout, NULL, _IOLBF, 0);
1.25 deraadt 904: setvbuf(infile, NULL, _IOLBF, 0);
1.1 djm 905:
1.41 deraadt 906: for (;;) {
1.1 djm 907: char *cp;
908:
909: printf("sftp> ");
910:
911: /* XXX: use libedit */
1.25 deraadt 912: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.1 djm 913: printf("\n");
914: break;
1.25 deraadt 915: } else if (infile != stdin) /* Bluff typing */
916: printf("%s", cmd);
917:
1.1 djm 918: cp = strrchr(cmd, '\n');
919: if (cp)
920: *cp = '\0';
1.25 deraadt 921:
1.1 djm 922: if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd))
923: break;
924: }
925: xfree(pwd);
926: }
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