Annotation of src/usr.bin/ssh/sftp-int.c, Revision 1.46.2.1
1.1 djm 1: /*
1.44 djm 2: * Copyright (c) 2001,2002 Damien Miller. All rights reserved.
1.1 djm 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"
1.46.2.1! jason 29: RCSID("$OpenBSD: sftp-int.c,v 1.47 2002/06/23 09:30:14 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:
1.43 djm 50: /* Number of concurrent outstanding requests */
51: extern int num_requests;
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: }
1.46 markus 181: while (waitpid(pid, &status, 0) == -1)
182: if (errno != EINTR)
183: fatal("Couldn't wait for child: %s", strerror(errno));
1.1 djm 184: if (!WIFEXITED(status))
185: error("Shell exited abormally");
186: else if (WEXITSTATUS(status))
187: error("Shell exited with status %d", WEXITSTATUS(status));
188: }
189:
1.37 itojun 190: static void
1.1 djm 191: local_do_ls(const char *args)
192: {
193: if (!args || !*args)
1.18 stevesk 194: local_do_shell(_PATH_LS);
1.1 djm 195: else {
1.18 stevesk 196: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
1.16 deraadt 197: char *buf = xmalloc(len);
1.1 djm 198:
199: /* XXX: quoting - rip quoting code from ftp? */
1.18 stevesk 200: snprintf(buf, len, _PATH_LS " %s", args);
1.1 djm 201: local_do_shell(buf);
1.16 deraadt 202: xfree(buf);
1.1 djm 203: }
204: }
205:
1.37 itojun 206: static char *
1.29 djm 207: path_append(char *p1, char *p2)
208: {
209: char *ret;
1.31 markus 210: int len = strlen(p1) + strlen(p2) + 2;
1.29 djm 211:
1.31 markus 212: ret = xmalloc(len);
213: strlcpy(ret, p1, len);
1.41 deraadt 214: if (strcmp(p1, "/") != 0)
1.39 jakob 215: strlcat(ret, "/", len);
1.31 markus 216: strlcat(ret, p2, len);
1.29 djm 217:
218: return(ret);
219: }
220:
1.37 itojun 221: static char *
1.1 djm 222: make_absolute(char *p, char *pwd)
223: {
1.29 djm 224: char *abs;
1.1 djm 225:
226: /* Derelativise */
227: if (p && p[0] != '/') {
1.29 djm 228: abs = path_append(pwd, p);
1.1 djm 229: xfree(p);
1.29 djm 230: return(abs);
231: } else
232: return(p);
233: }
234:
1.37 itojun 235: static int
1.29 djm 236: infer_path(const char *p, char **ifp)
237: {
238: char *cp;
239:
240: cp = strrchr(p, '/');
241: if (cp == NULL) {
242: *ifp = xstrdup(p);
243: return(0);
1.1 djm 244: }
245:
1.29 djm 246: if (!cp[1]) {
247: error("Invalid path");
248: return(-1);
249: }
250:
251: *ifp = xstrdup(cp + 1);
252: return(0);
1.1 djm 253: }
254:
1.37 itojun 255: static int
1.1 djm 256: parse_getput_flags(const char **cpp, int *pflag)
257: {
258: const char *cp = *cpp;
259:
260: /* Check for flags */
261: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
1.20 djm 262: switch (cp[1]) {
1.22 djm 263: case 'p':
1.1 djm 264: case 'P':
265: *pflag = 1;
266: break;
267: default:
1.22 djm 268: error("Invalid flag -%c", cp[1]);
1.1 djm 269: return(-1);
270: }
271: cp += 2;
272: *cpp = cp + strspn(cp, WHITESPACE);
273: }
274:
275: return(0);
276: }
277:
1.37 itojun 278: static int
1.1 djm 279: get_pathname(const char **cpp, char **path)
280: {
1.8 provos 281: const char *cp = *cpp, *end;
282: char quot;
1.1 djm 283: int i;
284:
285: cp += strspn(cp, WHITESPACE);
286: if (!*cp) {
287: *cpp = cp;
288: *path = NULL;
1.8 provos 289: return (0);
1.1 djm 290: }
291:
292: /* Check for quoted filenames */
293: if (*cp == '\"' || *cp == '\'') {
1.8 provos 294: quot = *cp++;
1.30 markus 295:
1.8 provos 296: end = strchr(cp, quot);
297: if (end == NULL) {
1.1 djm 298: error("Unterminated quote");
1.8 provos 299: goto fail;
1.1 djm 300: }
1.8 provos 301: if (cp == end) {
1.1 djm 302: error("Empty quotes");
1.8 provos 303: goto fail;
1.1 djm 304: }
1.8 provos 305: *cpp = end + 1 + strspn(end + 1, WHITESPACE);
306: } else {
307: /* Read to end of filename */
308: end = strpbrk(cp, WHITESPACE);
309: if (end == NULL)
310: end = strchr(cp, '\0');
311: *cpp = end + strspn(end, WHITESPACE);
1.1 djm 312: }
313:
1.8 provos 314: i = end - cp;
1.1 djm 315:
316: *path = xmalloc(i + 1);
317: memcpy(*path, cp, i);
318: (*path)[i] = '\0';
319: return(0);
1.8 provos 320:
321: fail:
322: *path = NULL;
323: return (-1);
1.1 djm 324: }
325:
1.37 itojun 326: static int
1.29 djm 327: is_dir(char *path)
328: {
329: struct stat sb;
330:
331: /* XXX: report errors? */
332: if (stat(path, &sb) == -1)
333: return(0);
334:
335: return(sb.st_mode & S_IFDIR);
336: }
337:
1.37 itojun 338: static int
1.44 djm 339: remote_is_dir(struct sftp_conn *conn, char *path)
1.1 djm 340: {
1.29 djm 341: Attrib *a;
1.1 djm 342:
1.29 djm 343: /* XXX: report errors? */
1.44 djm 344: if ((a = do_stat(conn, path, 1)) == NULL)
1.29 djm 345: return(0);
346: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
1.1 djm 347: return(0);
1.29 djm 348: return(a->perm & S_IFDIR);
349: }
350:
1.37 itojun 351: static int
1.44 djm 352: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
1.29 djm 353: {
354: char *abs_src = NULL;
355: char *abs_dst = NULL;
356: char *tmp;
357: glob_t g;
358: int err = 0;
359: int i;
1.30 markus 360:
1.29 djm 361: abs_src = xstrdup(src);
362: abs_src = make_absolute(abs_src, pwd);
363:
1.30 markus 364: memset(&g, 0, sizeof(g));
1.29 djm 365: debug3("Looking up %s", abs_src);
1.44 djm 366: if (remote_glob(conn, abs_src, 0, NULL, &g)) {
1.29 djm 367: error("File \"%s\" not found.", abs_src);
368: err = -1;
369: goto out;
370: }
371:
372: /* Only one match, dst may be file, directory or unspecified */
373: if (g.gl_pathv[0] && g.gl_matchc == 1) {
374: if (dst) {
375: /* If directory specified, append filename */
376: if (is_dir(dst)) {
377: if (infer_path(g.gl_pathv[0], &tmp)) {
378: err = 1;
379: goto out;
380: }
381: abs_dst = path_append(dst, tmp);
382: xfree(tmp);
383: } else
384: abs_dst = xstrdup(dst);
385: } else if (infer_path(g.gl_pathv[0], &abs_dst)) {
386: err = -1;
387: goto out;
388: }
389: printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst);
1.44 djm 390: err = do_download(conn, g.gl_pathv[0], abs_dst, pflag);
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);
1.44 djm 414: if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
1.29 djm 415: err = -1;
416: xfree(abs_dst);
417: abs_dst = NULL;
1.1 djm 418: }
419:
1.29 djm 420: out:
421: xfree(abs_src);
422: if (abs_dst)
423: xfree(abs_dst);
424: globfree(&g);
425: return(err);
426: }
427:
1.37 itojun 428: static int
1.44 djm 429: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
1.29 djm 430: {
431: char *tmp_dst = NULL;
432: char *abs_dst = NULL;
433: char *tmp;
434: glob_t g;
435: int err = 0;
436: int i;
437:
438: if (dst) {
439: tmp_dst = xstrdup(dst);
440: tmp_dst = make_absolute(tmp_dst, pwd);
441: }
442:
1.30 markus 443: memset(&g, 0, sizeof(g));
1.29 djm 444: debug3("Looking up %s", src);
445: if (glob(src, 0, NULL, &g)) {
446: error("File \"%s\" not found.", src);
447: err = -1;
448: goto out;
449: }
450:
451: /* Only one match, dst may be file, directory or unspecified */
452: if (g.gl_pathv[0] && g.gl_matchc == 1) {
453: if (tmp_dst) {
454: /* If directory specified, append filename */
1.44 djm 455: if (remote_is_dir(conn, tmp_dst)) {
1.29 djm 456: if (infer_path(g.gl_pathv[0], &tmp)) {
457: err = 1;
458: goto out;
459: }
460: abs_dst = path_append(tmp_dst, tmp);
461: xfree(tmp);
462: } else
463: abs_dst = xstrdup(tmp_dst);
1.32 markus 464: } else {
465: if (infer_path(g.gl_pathv[0], &abs_dst)) {
466: err = -1;
467: goto out;
468: }
469: abs_dst = make_absolute(abs_dst, pwd);
1.29 djm 470: }
471: printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst);
1.44 djm 472: err = do_upload(conn, g.gl_pathv[0], abs_dst, pflag);
1.29 djm 473: goto out;
474: }
475:
476: /* Multiple matches, dst may be directory or unspecified */
1.44 djm 477: if (tmp_dst && !remote_is_dir(conn, tmp_dst)) {
1.30 markus 478: error("Multiple files match, but \"%s\" is not a directory",
1.29 djm 479: tmp_dst);
480: err = -1;
481: goto out;
482: }
483:
1.41 deraadt 484: for (i = 0; g.gl_pathv[i]; i++) {
1.29 djm 485: if (infer_path(g.gl_pathv[i], &tmp)) {
486: err = -1;
487: goto out;
488: }
489: if (tmp_dst) {
490: abs_dst = path_append(tmp_dst, tmp);
491: xfree(tmp);
492: } else
493: abs_dst = make_absolute(tmp, pwd);
494:
495: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.44 djm 496: if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
1.29 djm 497: err = -1;
1.1 djm 498: }
499:
1.29 djm 500: out:
501: if (abs_dst)
502: xfree(abs_dst);
503: if (tmp_dst)
504: xfree(tmp_dst);
505: return(err);
1.1 djm 506: }
507:
1.37 itojun 508: static int
1.1 djm 509: parse_args(const char **cpp, int *pflag, unsigned long *n_arg,
510: char **path1, char **path2)
511: {
512: const char *cmd, *cp = *cpp;
1.21 stevesk 513: char *cp2;
1.4 markus 514: int base = 0;
1.21 stevesk 515: long l;
1.1 djm 516: int i, cmdnum;
517:
518: /* Skip leading whitespace */
519: cp = cp + strspn(cp, WHITESPACE);
520:
521: /* Ignore blank lines */
522: if (!*cp)
523: return(-1);
524:
525: /* Figure out which command we have */
1.41 deraadt 526: for (i = 0; cmds[i].c; i++) {
1.1 djm 527: int cmdlen = strlen(cmds[i].c);
528:
529: /* Check for command followed by whitespace */
530: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
531: strchr(WHITESPACE, cp[cmdlen])) {
532: cp += cmdlen;
533: cp = cp + strspn(cp, WHITESPACE);
534: break;
535: }
536: }
537: cmdnum = cmds[i].n;
538: cmd = cmds[i].c;
539:
540: /* Special case */
541: if (*cp == '!') {
542: cp++;
543: cmdnum = I_SHELL;
544: } else if (cmdnum == -1) {
545: error("Invalid command.");
546: return(-1);
547: }
548:
549: /* Get arguments and parse flags */
550: *pflag = *n_arg = 0;
551: *path1 = *path2 = NULL;
552: switch (cmdnum) {
553: case I_GET:
554: case I_PUT:
555: if (parse_getput_flags(&cp, pflag))
556: return(-1);
557: /* Get first pathname (mandatory) */
558: if (get_pathname(&cp, path1))
559: return(-1);
560: if (*path1 == NULL) {
561: error("You must specify at least one path after a "
562: "%s command.", cmd);
563: return(-1);
564: }
565: /* Try to get second pathname (optional) */
566: if (get_pathname(&cp, path2))
567: return(-1);
568: break;
569: case I_RENAME:
1.26 djm 570: case I_SYMLINK:
1.1 djm 571: if (get_pathname(&cp, path1))
572: return(-1);
573: if (get_pathname(&cp, path2))
574: return(-1);
575: if (!*path1 || !*path2) {
576: error("You must specify two paths after a %s "
577: "command.", cmd);
578: return(-1);
579: }
580: break;
581: case I_RM:
582: case I_MKDIR:
583: case I_RMDIR:
584: case I_CHDIR:
585: case I_LCHDIR:
586: case I_LMKDIR:
587: /* Get pathname (mandatory) */
588: if (get_pathname(&cp, path1))
589: return(-1);
590: if (*path1 == NULL) {
1.3 stevesk 591: error("You must specify a path after a %s command.",
1.1 djm 592: cmd);
593: return(-1);
594: }
595: break;
596: case I_LS:
597: /* Path is optional */
598: if (get_pathname(&cp, path1))
599: return(-1);
600: break;
601: case I_LLS:
602: case I_SHELL:
603: /* Uses the rest of the line */
604: break;
605: case I_LUMASK:
1.21 stevesk 606: base = 8;
1.1 djm 607: case I_CHMOD:
1.4 markus 608: base = 8;
1.1 djm 609: case I_CHOWN:
610: case I_CHGRP:
611: /* Get numeric arg (mandatory) */
1.21 stevesk 612: l = strtol(cp, &cp2, base);
613: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
614: errno == ERANGE) || l < 0) {
1.1 djm 615: error("You must supply a numeric argument "
616: "to the %s command.", cmd);
617: return(-1);
618: }
1.21 stevesk 619: cp = cp2;
620: *n_arg = l;
621: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
622: break;
623: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
1.1 djm 624: error("You must supply a numeric argument "
625: "to the %s command.", cmd);
626: return(-1);
627: }
628: cp += strspn(cp, WHITESPACE);
629:
630: /* Get pathname (mandatory) */
631: if (get_pathname(&cp, path1))
632: return(-1);
633: if (*path1 == NULL) {
1.3 stevesk 634: error("You must specify a path after a %s command.",
1.1 djm 635: cmd);
636: return(-1);
637: }
638: break;
639: case I_QUIT:
640: case I_PWD:
641: case I_LPWD:
642: case I_HELP:
1.28 markus 643: case I_VERSION:
1.1 djm 644: break;
645: default:
646: fatal("Command not implemented");
647: }
648:
649: *cpp = cp;
650: return(cmdnum);
651: }
652:
1.37 itojun 653: static int
1.44 djm 654: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd)
1.1 djm 655: {
1.8 provos 656: char *path1, *path2, *tmp;
1.27 djm 657: int pflag, cmdnum, i;
1.1 djm 658: unsigned long n_arg;
659: Attrib a, *aa;
1.23 deraadt 660: char path_buf[MAXPATHLEN];
1.25 deraadt 661: int err = 0;
1.27 djm 662: glob_t g;
1.1 djm 663:
664: path1 = path2 = NULL;
665: cmdnum = parse_args(&cmd, &pflag, &n_arg, &path1, &path2);
666:
1.29 djm 667: memset(&g, 0, sizeof(g));
668:
1.1 djm 669: /* Perform command */
670: switch (cmdnum) {
671: case -1:
672: break;
673: case I_GET:
1.44 djm 674: err = process_get(conn, path1, path2, *pwd, pflag);
1.1 djm 675: break;
676: case I_PUT:
1.44 djm 677: err = process_put(conn, path1, path2, *pwd, pflag);
1.33 markus 678: break;
679: case I_RENAME:
1.1 djm 680: path1 = make_absolute(path1, *pwd);
681: path2 = make_absolute(path2, *pwd);
1.44 djm 682: err = do_rename(conn, path1, path2);
1.1 djm 683: break;
1.26 djm 684: case I_SYMLINK:
1.44 djm 685: path2 = make_absolute(path2, *pwd);
686: err = do_symlink(conn, path1, path2);
1.26 djm 687: break;
1.1 djm 688: case I_RM:
689: path1 = make_absolute(path1, *pwd);
1.44 djm 690: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 691: for (i = 0; g.gl_pathv[i]; i++) {
1.27 djm 692: printf("Removing %s\n", g.gl_pathv[i]);
1.44 djm 693: if (do_rm(conn, g.gl_pathv[i]) == -1)
1.27 djm 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;
1.44 djm 702: err = do_mkdir(conn, path1, &a);
1.1 djm 703: break;
704: case I_RMDIR:
705: path1 = make_absolute(path1, *pwd);
1.44 djm 706: err = do_rmdir(conn, path1);
1.1 djm 707: break;
708: case I_CHDIR:
709: path1 = make_absolute(path1, *pwd);
1.44 djm 710: if ((tmp = do_realpath(conn, path1)) == NULL) {
1.25 deraadt 711: err = 1;
1.11 markus 712: break;
1.25 deraadt 713: }
1.44 djm 714: if ((aa = do_stat(conn, 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) {
1.44 djm 737: do_ls(conn, *pwd);
1.12 djm 738: break;
739: }
1.1 djm 740: path1 = make_absolute(path1, *pwd);
1.44 djm 741: if ((tmp = do_realpath(conn, path1)) == NULL)
1.12 djm 742: break;
743: xfree(path1);
744: path1 = tmp;
1.44 djm 745: if ((aa = do_stat(conn, 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: }
1.44 djm 752: do_ls(conn, 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;
1.44 djm 783: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 784: for (i = 0; g.gl_pathv[i]; i++) {
1.27 djm 785: printf("Changing mode on %s\n", g.gl_pathv[i]);
1.44 djm 786: do_setstat(conn, g.gl_pathv[i], &a);
1.27 djm 787: }
1.5 stevesk 788: break;
1.1 djm 789: case I_CHOWN:
790: path1 = make_absolute(path1, *pwd);
1.44 djm 791: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 792: for (i = 0; g.gl_pathv[i]; i++) {
1.44 djm 793: if (!(aa = do_stat(conn, 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;
1.44 djm 803: do_setstat(conn, g.gl_pathv[i], aa);
1.1 djm 804: }
805: break;
806: case I_CHGRP:
807: path1 = make_absolute(path1, *pwd);
1.44 djm 808: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.41 deraadt 809: for (i = 0; g.gl_pathv[i]; i++) {
1.44 djm 810: if (!(aa = do_stat(conn, 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;
1.44 djm 820: do_setstat(conn, 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:
1.46.2.1! jason 840: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
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];
1.44 djm 866: struct sftp_conn *conn;
1.26 djm 867:
1.44 djm 868: conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
869: if (conn == NULL)
1.26 djm 870: fatal("Couldn't initialise connection to server");
1.1 djm 871:
1.44 djm 872: pwd = do_realpath(conn, ".");
1.1 djm 873: if (pwd == NULL)
874: fatal("Need cwd");
875:
1.35 mouring 876: if (file1 != NULL) {
877: dir = xstrdup(file1);
878: dir = make_absolute(dir, pwd);
879:
1.44 djm 880: if (remote_is_dir(conn, dir) && file2 == NULL) {
1.35 mouring 881: printf("Changing to: %s\n", dir);
882: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.44 djm 883: parse_dispatch_command(conn, cmd, &pwd);
1.35 mouring 884: } else {
885: if (file2 == NULL)
886: snprintf(cmd, sizeof cmd, "get %s", dir);
887: else
888: snprintf(cmd, sizeof cmd, "get %s %s", dir,
889: file2);
890:
1.44 djm 891: parse_dispatch_command(conn, cmd, &pwd);
1.45 mpech 892: xfree(dir);
1.35 mouring 893: return;
894: }
1.45 mpech 895: xfree(dir);
1.35 mouring 896: }
1.14 stevesk 897: setvbuf(stdout, NULL, _IOLBF, 0);
1.25 deraadt 898: setvbuf(infile, NULL, _IOLBF, 0);
1.1 djm 899:
1.41 deraadt 900: for (;;) {
1.1 djm 901: char *cp;
902:
903: printf("sftp> ");
904:
905: /* XXX: use libedit */
1.25 deraadt 906: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.1 djm 907: printf("\n");
908: break;
1.25 deraadt 909: } else if (infile != stdin) /* Bluff typing */
910: printf("%s", cmd);
911:
1.1 djm 912: cp = strrchr(cmd, '\n');
913: if (cp)
914: *cp = '\0';
1.25 deraadt 915:
1.44 djm 916: if (parse_dispatch_command(conn, cmd, &pwd))
1.1 djm 917: break;
918: }
919: xfree(pwd);
920: }
![[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