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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"
1.29 ! djm 29: RCSID("$OpenBSD: sftp-int.c,v 1.28 2001/03/14 15:15:58 markus 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 *
1.29 ! djm 200: path_append(char *p1, char *p2)
! 201: {
! 202: char *ret;
! 203:
! 204: ret = xmalloc(strlen(p1) + strlen(p2) + 2);
! 205: strcpy(ret, p1);
! 206: strcat(ret, "/");
! 207: strcat(ret, p2);
! 208:
! 209: return(ret);
! 210: }
! 211:
! 212: char *
1.1 djm 213: make_absolute(char *p, char *pwd)
214: {
1.29 ! djm 215: char *abs;
1.1 djm 216:
217: /* Derelativise */
218: if (p && p[0] != '/') {
1.29 ! djm 219: abs = path_append(pwd, p);
1.1 djm 220: xfree(p);
1.29 ! djm 221: return(abs);
! 222: } else
! 223: return(p);
! 224: }
! 225:
! 226: int
! 227: infer_path(const char *p, char **ifp)
! 228: {
! 229: char *cp;
! 230:
! 231: cp = strrchr(p, '/');
! 232: if (cp == NULL) {
! 233: *ifp = xstrdup(p);
! 234: return(0);
1.1 djm 235: }
236:
1.29 ! djm 237: if (!cp[1]) {
! 238: error("Invalid path");
! 239: return(-1);
! 240: }
! 241:
! 242: *ifp = xstrdup(cp + 1);
! 243: return(0);
1.1 djm 244: }
245:
246: int
247: parse_getput_flags(const char **cpp, int *pflag)
248: {
249: const char *cp = *cpp;
250:
251: /* Check for flags */
252: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
1.20 djm 253: switch (cp[1]) {
1.22 djm 254: case 'p':
1.1 djm 255: case 'P':
256: *pflag = 1;
257: break;
258: default:
1.22 djm 259: error("Invalid flag -%c", cp[1]);
1.1 djm 260: return(-1);
261: }
262: cp += 2;
263: *cpp = cp + strspn(cp, WHITESPACE);
264: }
265:
266: return(0);
267: }
268:
269: int
270: get_pathname(const char **cpp, char **path)
271: {
1.8 provos 272: const char *cp = *cpp, *end;
273: char quot;
1.1 djm 274: int i;
275:
276: cp += strspn(cp, WHITESPACE);
277: if (!*cp) {
278: *cpp = cp;
279: *path = NULL;
1.8 provos 280: return (0);
1.1 djm 281: }
282:
283: /* Check for quoted filenames */
284: if (*cp == '\"' || *cp == '\'') {
1.8 provos 285: quot = *cp++;
286:
287: end = strchr(cp, quot);
288: if (end == NULL) {
1.1 djm 289: error("Unterminated quote");
1.8 provos 290: goto fail;
1.1 djm 291: }
1.8 provos 292: if (cp == end) {
1.1 djm 293: error("Empty quotes");
1.8 provos 294: goto fail;
1.1 djm 295: }
1.8 provos 296: *cpp = end + 1 + strspn(end + 1, WHITESPACE);
297: } else {
298: /* Read to end of filename */
299: end = strpbrk(cp, WHITESPACE);
300: if (end == NULL)
301: end = strchr(cp, '\0');
302: *cpp = end + strspn(end, WHITESPACE);
1.1 djm 303: }
304:
1.8 provos 305: i = end - cp;
1.1 djm 306:
307: *path = xmalloc(i + 1);
308: memcpy(*path, cp, i);
309: (*path)[i] = '\0';
310: return(0);
1.8 provos 311:
312: fail:
313: *path = NULL;
314: return (-1);
1.1 djm 315: }
316:
317: int
1.29 ! djm 318: is_dir(char *path)
! 319: {
! 320: struct stat sb;
! 321:
! 322: /* XXX: report errors? */
! 323: if (stat(path, &sb) == -1)
! 324: return(0);
! 325:
! 326: return(sb.st_mode & S_IFDIR);
! 327: }
! 328:
! 329: int
! 330: remote_is_dir(int in, int out, char *path)
1.1 djm 331: {
1.29 ! djm 332: Attrib *a;
1.1 djm 333:
1.29 ! djm 334: /* XXX: report errors? */
! 335: if ((a = do_stat(in, out, path, 1)) == NULL)
! 336: return(0);
! 337: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
1.1 djm 338: return(0);
1.29 ! djm 339: return(a->perm & S_IFDIR);
! 340: }
! 341:
! 342: int
! 343: process_get(int in, int out, char *src, char *dst, char *pwd, int pflag)
! 344: {
! 345: char *abs_src = NULL;
! 346: char *abs_dst = NULL;
! 347: char *tmp;
! 348: glob_t g;
! 349: int err = 0;
! 350: int i;
! 351:
! 352: abs_src = xstrdup(src);
! 353: abs_src = make_absolute(abs_src, pwd);
! 354:
! 355: memset(&g, '\0', sizeof(g));
! 356: debug3("Looking up %s", abs_src);
! 357: if (remote_glob(in, out, abs_src, 0, NULL, &g)) {
! 358: error("File \"%s\" not found.", abs_src);
! 359: err = -1;
! 360: goto out;
! 361: }
! 362:
! 363: /* Only one match, dst may be file, directory or unspecified */
! 364: if (g.gl_pathv[0] && g.gl_matchc == 1) {
! 365: if (dst) {
! 366: /* If directory specified, append filename */
! 367: if (is_dir(dst)) {
! 368: if (infer_path(g.gl_pathv[0], &tmp)) {
! 369: err = 1;
! 370: goto out;
! 371: }
! 372: abs_dst = path_append(dst, tmp);
! 373: xfree(tmp);
! 374: } else
! 375: abs_dst = xstrdup(dst);
! 376: } else if (infer_path(g.gl_pathv[0], &abs_dst)) {
! 377: err = -1;
! 378: goto out;
! 379: }
! 380: printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst);
! 381: err = do_download(in, out, g.gl_pathv[0], abs_dst, pflag);
! 382: goto out;
! 383: }
! 384:
! 385: /* Multiple matches, dst may be directory or unspecified */
! 386: if (dst && !is_dir(dst)) {
! 387: error("Multiple files match, but \"%s\" is not a directory",
! 388: dst);
! 389: err = -1;
! 390: goto out;
! 391: }
! 392:
! 393: for(i = 0; g.gl_pathv[i]; i++) {
! 394: if (infer_path(g.gl_pathv[i], &tmp)) {
! 395: err = -1;
! 396: goto out;
! 397: }
! 398: if (dst) {
! 399: abs_dst = path_append(dst, tmp);
! 400: xfree(tmp);
! 401: } else
! 402: abs_dst = tmp;
! 403:
! 404: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
! 405: if (do_download(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
! 406: err = -1;
! 407: xfree(abs_dst);
! 408: abs_dst = NULL;
1.1 djm 409: }
410:
1.29 ! djm 411: out:
! 412: xfree(abs_src);
! 413: if (abs_dst)
! 414: xfree(abs_dst);
! 415: globfree(&g);
! 416: return(err);
! 417: }
! 418:
! 419: int
! 420: process_put(int in, int out, char *src, char *dst, char *pwd, int pflag)
! 421: {
! 422: char *tmp_dst = NULL;
! 423: char *abs_dst = NULL;
! 424: char *tmp;
! 425: glob_t g;
! 426: int err = 0;
! 427: int i;
! 428:
! 429: if (dst) {
! 430: tmp_dst = xstrdup(dst);
! 431: tmp_dst = make_absolute(tmp_dst, pwd);
! 432: }
! 433:
! 434: memset(&g, '\0', sizeof(g));
! 435: debug3("Looking up %s", src);
! 436: if (glob(src, 0, NULL, &g)) {
! 437: error("File \"%s\" not found.", src);
! 438: err = -1;
! 439: goto out;
! 440: }
! 441:
! 442: /* Only one match, dst may be file, directory or unspecified */
! 443: if (g.gl_pathv[0] && g.gl_matchc == 1) {
! 444: if (tmp_dst) {
! 445: /* If directory specified, append filename */
! 446: if (remote_is_dir(in, out, tmp_dst)) {
! 447: if (infer_path(g.gl_pathv[0], &tmp)) {
! 448: err = 1;
! 449: goto out;
! 450: }
! 451: abs_dst = path_append(tmp_dst, tmp);
! 452: xfree(tmp);
! 453: } else
! 454: abs_dst = xstrdup(tmp_dst);
! 455: } else if (infer_path(g.gl_pathv[0], &abs_dst)) {
! 456: err = -1;
! 457: goto out;
! 458: }
! 459: printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst);
! 460: err = do_upload(in, out, g.gl_pathv[0], abs_dst, pflag);
! 461: goto out;
! 462: }
! 463:
! 464: /* Multiple matches, dst may be directory or unspecified */
! 465: if (tmp_dst && !remote_is_dir(in, out, tmp_dst)) {
! 466: error("Multiple files match, but \"%s\" is not a directory",
! 467: tmp_dst);
! 468: err = -1;
! 469: goto out;
! 470: }
! 471:
! 472: for(i = 0; g.gl_pathv[i]; i++) {
! 473: if (infer_path(g.gl_pathv[i], &tmp)) {
! 474: err = -1;
! 475: goto out;
! 476: }
! 477: if (tmp_dst) {
! 478: abs_dst = path_append(tmp_dst, tmp);
! 479: xfree(tmp);
! 480: } else
! 481: abs_dst = make_absolute(tmp, pwd);
! 482:
! 483: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
! 484: if (do_upload(in, out, g.gl_pathv[i], abs_dst, pflag) == -1)
! 485: err = -1;
1.1 djm 486: }
487:
1.29 ! djm 488: out:
! 489: if (abs_dst)
! 490: xfree(abs_dst);
! 491: if (tmp_dst)
! 492: xfree(tmp_dst);
! 493: return(err);
1.1 djm 494: }
495:
496: int
497: parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
498: char **path1, char **path2)
499: {
500: const char *cmd, *cp = *cpp;
1.21 stevesk 501: char *cp2;
1.4 markus 502: int base = 0;
1.21 stevesk 503: long l;
1.1 djm 504: int i, cmdnum;
505:
506: /* Skip leading whitespace */
507: cp = cp + strspn(cp, WHITESPACE);
508:
509: /* Ignore blank lines */
510: if (!*cp)
511: return(-1);
512:
513: /* Figure out which command we have */
514: for(i = 0; cmds[i].c; i++) {
515: int cmdlen = strlen(cmds[i].c);
516:
517: /* Check for command followed by whitespace */
518: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
519: strchr(WHITESPACE, cp[cmdlen])) {
520: cp += cmdlen;
521: cp = cp + strspn(cp, WHITESPACE);
522: break;
523: }
524: }
525: cmdnum = cmds[i].n;
526: cmd = cmds[i].c;
527:
528: /* Special case */
529: if (*cp == '!') {
530: cp++;
531: cmdnum = I_SHELL;
532: } else if (cmdnum == -1) {
533: error("Invalid command.");
534: return(-1);
535: }
536:
537: /* Get arguments and parse flags */
538: *pflag = *n_arg = 0;
539: *path1 = *path2 = NULL;
540: switch (cmdnum) {
541: case I_GET:
542: case I_PUT:
543: if (parse_getput_flags(&cp, pflag))
544: return(-1);
545: /* Get first pathname (mandatory) */
546: if (get_pathname(&cp, path1))
547: return(-1);
548: if (*path1 == NULL) {
549: error("You must specify at least one path after a "
550: "%s command.", cmd);
551: return(-1);
552: }
553: /* Try to get second pathname (optional) */
554: if (get_pathname(&cp, path2))
555: return(-1);
556: break;
557: case I_RENAME:
1.26 djm 558: case I_SYMLINK:
1.1 djm 559: if (get_pathname(&cp, path1))
560: return(-1);
561: if (get_pathname(&cp, path2))
562: return(-1);
563: if (!*path1 || !*path2) {
564: error("You must specify two paths after a %s "
565: "command.", cmd);
566: return(-1);
567: }
568: break;
569: case I_RM:
570: case I_MKDIR:
571: case I_RMDIR:
572: case I_CHDIR:
573: case I_LCHDIR:
574: case I_LMKDIR:
575: /* Get pathname (mandatory) */
576: if (get_pathname(&cp, path1))
577: return(-1);
578: if (*path1 == NULL) {
1.3 stevesk 579: error("You must specify a path after a %s command.",
1.1 djm 580: cmd);
581: return(-1);
582: }
583: break;
584: case I_LS:
585: /* Path is optional */
586: if (get_pathname(&cp, path1))
587: return(-1);
588: break;
589: case I_LLS:
590: case I_SHELL:
591: /* Uses the rest of the line */
592: break;
593: case I_LUMASK:
1.21 stevesk 594: base = 8;
1.1 djm 595: case I_CHMOD:
1.4 markus 596: base = 8;
1.1 djm 597: case I_CHOWN:
598: case I_CHGRP:
599: /* Get numeric arg (mandatory) */
1.21 stevesk 600: l = strtol(cp, &cp2, base);
601: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
602: errno == ERANGE) || l < 0) {
1.1 djm 603: error("You must supply a numeric argument "
604: "to the %s command.", cmd);
605: return(-1);
606: }
1.21 stevesk 607: cp = cp2;
608: *n_arg = l;
609: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
610: break;
611: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
1.1 djm 612: error("You must supply a numeric argument "
613: "to the %s command.", cmd);
614: return(-1);
615: }
616: cp += strspn(cp, WHITESPACE);
617:
618: /* Get pathname (mandatory) */
619: if (get_pathname(&cp, path1))
620: return(-1);
621: if (*path1 == NULL) {
1.3 stevesk 622: error("You must specify a path after a %s command.",
1.1 djm 623: cmd);
624: return(-1);
625: }
626: break;
627: case I_QUIT:
628: case I_PWD:
629: case I_LPWD:
630: case I_HELP:
1.28 markus 631: case I_VERSION:
1.1 djm 632: break;
633: default:
634: fatal("Command not implemented");
635: }
636:
637: *cpp = cp;
638: return(cmdnum);
639: }
640:
641: int
642: parse_dispatch_command(int in, int out, const char *cmd, char **pwd)
643: {
1.8 provos 644: char *path1, *path2, *tmp;
1.27 djm 645: int pflag, cmdnum, i;
1.1 djm 646: unsigned long n_arg;
647: Attrib a, *aa;
1.23 deraadt 648: char path_buf[MAXPATHLEN];
1.25 deraadt 649: int err = 0;
1.27 djm 650: glob_t g;
1.1 djm 651:
652: path1 = path2 = NULL;
653: cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
654:
1.29 ! djm 655: memset(&g, 0, sizeof(g));
! 656:
1.1 djm 657: /* Perform command */
658: switch (cmdnum) {
659: case -1:
660: break;
661: case I_GET:
1.29 ! djm 662: err = process_get(in, out, path1, path2, *pwd, pflag);
1.1 djm 663: break;
664: case I_PUT:
1.29 ! djm 665: err = process_put(in, out, path1, path2, *pwd, pflag);
1.27 djm 666: break;
667: case I_RENAME:
1.1 djm 668: path1 = make_absolute(path1, *pwd);
669: path2 = make_absolute(path2, *pwd);
1.25 deraadt 670: err = do_rename(in, out, path1, path2);
1.1 djm 671: break;
1.26 djm 672: case I_SYMLINK:
673: if (version < 3) {
674: error("The server (version %d) does not support "
675: "this operation", version);
676: err = -1;
677: } else {
678: path2 = make_absolute(path2, *pwd);
679: err = do_symlink(in, out, path1, path2);
680: }
681: break;
1.1 djm 682: case I_RM:
683: path1 = make_absolute(path1, *pwd);
1.27 djm 684: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
685: for(i = 0; g.gl_pathv[i]; i++) {
686: printf("Removing %s\n", g.gl_pathv[i]);
687: if (do_rm(in, out, g.gl_pathv[i]) == -1)
688: err = -1;
689: }
1.1 djm 690: break;
691: case I_MKDIR:
692: path1 = make_absolute(path1, *pwd);
693: attrib_clear(&a);
694: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
695: a.perm = 0777;
1.25 deraadt 696: err = do_mkdir(in, out, path1, &a);
1.1 djm 697: break;
698: case I_RMDIR:
699: path1 = make_absolute(path1, *pwd);
1.25 deraadt 700: err = do_rmdir(in, out, path1);
1.1 djm 701: break;
702: case I_CHDIR:
703: path1 = make_absolute(path1, *pwd);
1.25 deraadt 704: if ((tmp = do_realpath(in, out, path1)) == NULL) {
705: err = 1;
1.11 markus 706: break;
1.25 deraadt 707: }
1.29 ! djm 708: if ((aa = do_stat(in, out, tmp, 0)) == NULL) {
1.11 markus 709: xfree(tmp);
1.25 deraadt 710: err = 1;
1.11 markus 711: break;
712: }
1.9 djm 713: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
714: error("Can't change directory: Can't check target");
715: xfree(tmp);
1.25 deraadt 716: err = 1;
1.9 djm 717: break;
718: }
719: if (!S_ISDIR(aa->perm)) {
720: error("Can't change directory: \"%s\" is not "
721: "a directory", tmp);
722: xfree(tmp);
1.25 deraadt 723: err = 1;
1.9 djm 724: break;
725: }
1.11 markus 726: xfree(*pwd);
727: *pwd = tmp;
1.1 djm 728: break;
729: case I_LS:
1.12 djm 730: if (!path1) {
731: do_ls(in, out, *pwd);
732: break;
733: }
1.1 djm 734: path1 = make_absolute(path1, *pwd);
1.12 djm 735: if ((tmp = do_realpath(in, out, path1)) == NULL)
736: break;
737: xfree(path1);
738: path1 = tmp;
1.29 ! djm 739: if ((aa = do_stat(in, out, path1, 0)) == NULL)
1.12 djm 740: break;
741: if ((aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
742: !S_ISDIR(aa->perm)) {
743: error("Can't ls: \"%s\" is not a directory", path1);
744: break;
745: }
746: do_ls(in, out, path1);
1.1 djm 747: break;
748: case I_LCHDIR:
1.25 deraadt 749: if (chdir(path1) == -1) {
1.1 djm 750: error("Couldn't change local directory to "
751: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 752: err = 1;
753: }
1.1 djm 754: break;
755: case I_LMKDIR:
1.25 deraadt 756: if (mkdir(path1, 0777) == -1) {
1.17 stevesk 757: error("Couldn't create local directory "
1.1 djm 758: "\"%s\": %s", path1, strerror(errno));
1.25 deraadt 759: err = 1;
760: }
1.1 djm 761: break;
762: case I_LLS:
763: local_do_ls(cmd);
764: break;
765: case I_SHELL:
766: local_do_shell(cmd);
767: break;
768: case I_LUMASK:
769: umask(n_arg);
1.21 stevesk 770: printf("Local umask: %03lo\n", n_arg);
1.1 djm 771: break;
772: case I_CHMOD:
773: path1 = make_absolute(path1, *pwd);
774: attrib_clear(&a);
775: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
776: a.perm = n_arg;
1.27 djm 777: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
778: for(i = 0; g.gl_pathv[i]; i++) {
779: printf("Changing mode on %s\n", g.gl_pathv[i]);
780: do_setstat(in, out, g.gl_pathv[i], &a);
781: }
1.5 stevesk 782: break;
1.1 djm 783: case I_CHOWN:
784: path1 = make_absolute(path1, *pwd);
1.27 djm 785: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
786: for(i = 0; g.gl_pathv[i]; i++) {
1.29 ! djm 787: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
1.27 djm 788: continue;
789: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
790: error("Can't get current ownership of "
791: "remote file \"%s\"", g.gl_pathv[i]);
792: continue;
793: }
794: printf("Changing owner on %s\n", g.gl_pathv[i]);
795: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
796: aa->uid = n_arg;
797: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 798: }
799: break;
800: case I_CHGRP:
801: path1 = make_absolute(path1, *pwd);
1.27 djm 802: remote_glob(in, out, path1, GLOB_NOCHECK, NULL, &g);
803: for(i = 0; g.gl_pathv[i]; i++) {
1.29 ! djm 804: if (!(aa = do_stat(in, out, g.gl_pathv[i], 0)))
1.27 djm 805: continue;
806: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
807: error("Can't get current ownership of "
808: "remote file \"%s\"", g.gl_pathv[i]);
809: continue;
810: }
811: printf("Changing group on %s\n", g.gl_pathv[i]);
812: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
813: aa->gid = n_arg;
814: do_setstat(in, out, g.gl_pathv[i], aa);
1.1 djm 815: }
816: break;
817: case I_PWD:
818: printf("Remote working directory: %s\n", *pwd);
819: break;
820: case I_LPWD:
821: if (!getcwd(path_buf, sizeof(path_buf)))
1.24 millert 822: error("Couldn't get local cwd: %s",
1.1 djm 823: strerror(errno));
824: else
825: printf("Local working directory: %s\n",
826: path_buf);
827: break;
828: case I_QUIT:
829: return(-1);
830: case I_HELP:
831: help();
1.28 markus 832: break;
833: case I_VERSION:
834: printf("SFTP protocol version %d\n", version);
1.1 djm 835: break;
836: default:
837: fatal("%d is not implemented", cmdnum);
838: }
839:
1.29 ! djm 840: if (g.gl_pathc)
! 841: globfree(&g);
1.1 djm 842: if (path1)
843: xfree(path1);
844: if (path2)
845: xfree(path2);
1.25 deraadt 846:
847: /* If an error occurs in batch mode we should abort. */
848: if (infile != stdin && err > 0)
849: return -1;
850:
1.1 djm 851: return(0);
852: }
853:
854: void
855: interactive_loop(int fd_in, int fd_out)
856: {
857: char *pwd;
858: char cmd[2048];
1.26 djm 859:
860: version = do_init(fd_in, fd_out);
861: if (version == -1)
862: fatal("Couldn't initialise connection to server");
1.1 djm 863:
864: pwd = do_realpath(fd_in, fd_out, ".");
865: if (pwd == NULL)
866: fatal("Need cwd");
867:
1.14 stevesk 868: setvbuf(stdout, NULL, _IOLBF, 0);
1.25 deraadt 869: setvbuf(infile, NULL, _IOLBF, 0);
1.1 djm 870:
871: for(;;) {
872: char *cp;
873:
874: printf("sftp> ");
875:
876: /* XXX: use libedit */
1.25 deraadt 877: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.1 djm 878: printf("\n");
879: break;
1.25 deraadt 880: } else if (infile != stdin) /* Bluff typing */
881: printf("%s", cmd);
882:
1.1 djm 883: cp = strrchr(cmd, '\n');
884: if (cp)
885: *cp = '\0';
1.25 deraadt 886:
1.1 djm 887: if (parse_dispatch_command(fd_in, fd_out, cmd, &pwd))
888: break;
889: }
890: xfree(pwd);
891: }