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1.1 djm 1: /*
1.42 djm 2: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 3: *
1.42 djm 4: * Permission to use, copy, modify, and distribute this software for any
5: * purpose with or without fee is hereby granted, provided that the above
6: * copyright notice and this permission notice appear in all copies.
1.1 djm 7: *
1.42 djm 8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 15: */
16:
17: #include "includes.h"
1.72 ! stevesk 18: RCSID("$OpenBSD: sftp.c,v 1.71 2006/02/08 12:15:27 stevesk Exp $");
1.1 djm 19:
1.72 ! stevesk 20: #include <sys/ioctl.h>
1.44 djm 21:
22: #include <glob.h>
1.57 djm 23: #include <histedit.h>
1.71 stevesk 24: #include <paths.h>
1.1 djm 25:
26: #include "buffer.h"
27: #include "xmalloc.h"
28: #include "log.h"
29: #include "pathnames.h"
1.16 mouring 30: #include "misc.h"
1.1 djm 31:
32: #include "sftp.h"
33: #include "sftp-common.h"
34: #include "sftp-client.h"
1.43 djm 35:
1.44 djm 36: /* File to read commands from */
37: FILE* infile;
1.15 mouring 38:
1.44 djm 39: /* Are we in batchfile mode? */
1.39 djm 40: int batchmode = 0;
1.44 djm 41:
42: /* Size of buffer used when copying files */
1.24 djm 43: size_t copy_buffer_len = 32768;
1.44 djm 44:
45: /* Number of concurrent outstanding requests */
1.26 djm 46: size_t num_requests = 16;
1.44 djm 47:
48: /* PID of ssh transport process */
1.36 djm 49: static pid_t sshpid = -1;
1.7 markus 50:
1.44 djm 51: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 52: int showprogress = 1;
1.44 djm 53:
1.46 djm 54: /* SIGINT received during command processing */
55: volatile sig_atomic_t interrupted = 0;
56:
1.52 djm 57: /* I wish qsort() took a separate ctx for the comparison function...*/
58: int sort_flag;
59:
1.44 djm 60: int remote_glob(struct sftp_conn *, const char *, int,
61: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
62:
63: /* Separators for interactive commands */
64: #define WHITESPACE " \t\r\n"
65:
1.52 djm 66: /* ls flags */
1.53 djm 67: #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
68: #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
69: #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
70: #define LS_NAME_SORT 0x08 /* Sort by name (default) */
71: #define LS_TIME_SORT 0x10 /* Sort by mtime */
72: #define LS_SIZE_SORT 0x20 /* Sort by file size */
73: #define LS_REVERSE_SORT 0x40 /* Reverse sort order */
1.54 djm 74: #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
1.52 djm 75:
1.53 djm 76: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
77: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 78:
79: /* Commands for interactive mode */
80: #define I_CHDIR 1
81: #define I_CHGRP 2
82: #define I_CHMOD 3
83: #define I_CHOWN 4
84: #define I_GET 5
85: #define I_HELP 6
86: #define I_LCHDIR 7
87: #define I_LLS 8
88: #define I_LMKDIR 9
89: #define I_LPWD 10
90: #define I_LS 11
91: #define I_LUMASK 12
92: #define I_MKDIR 13
93: #define I_PUT 14
94: #define I_PWD 15
95: #define I_QUIT 16
96: #define I_RENAME 17
97: #define I_RM 18
98: #define I_RMDIR 19
99: #define I_SHELL 20
100: #define I_SYMLINK 21
101: #define I_VERSION 22
102: #define I_PROGRESS 23
103:
104: struct CMD {
105: const char *c;
106: const int n;
107: };
108:
109: static const struct CMD cmds[] = {
110: { "bye", I_QUIT },
111: { "cd", I_CHDIR },
112: { "chdir", I_CHDIR },
113: { "chgrp", I_CHGRP },
114: { "chmod", I_CHMOD },
115: { "chown", I_CHOWN },
116: { "dir", I_LS },
117: { "exit", I_QUIT },
118: { "get", I_GET },
119: { "mget", I_GET },
120: { "help", I_HELP },
121: { "lcd", I_LCHDIR },
122: { "lchdir", I_LCHDIR },
123: { "lls", I_LLS },
124: { "lmkdir", I_LMKDIR },
125: { "ln", I_SYMLINK },
126: { "lpwd", I_LPWD },
127: { "ls", I_LS },
128: { "lumask", I_LUMASK },
129: { "mkdir", I_MKDIR },
130: { "progress", I_PROGRESS },
131: { "put", I_PUT },
132: { "mput", I_PUT },
133: { "pwd", I_PWD },
134: { "quit", I_QUIT },
135: { "rename", I_RENAME },
136: { "rm", I_RM },
137: { "rmdir", I_RMDIR },
138: { "symlink", I_SYMLINK },
139: { "version", I_VERSION },
140: { "!", I_SHELL },
141: { "?", I_HELP },
142: { NULL, -1}
143: };
144:
145: int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
146:
147: static void
1.46 djm 148: killchild(int signo)
149: {
1.61 dtucker 150: if (sshpid > 1) {
1.46 djm 151: kill(sshpid, SIGTERM);
1.61 dtucker 152: waitpid(sshpid, NULL, 0);
153: }
1.46 djm 154:
155: _exit(1);
156: }
157:
158: static void
159: cmd_interrupt(int signo)
160: {
161: const char msg[] = "\rInterrupt \n";
1.59 djm 162: int olderrno = errno;
1.46 djm 163:
164: write(STDERR_FILENO, msg, sizeof(msg) - 1);
165: interrupted = 1;
1.59 djm 166: errno = olderrno;
1.46 djm 167: }
168:
169: static void
1.44 djm 170: help(void)
171: {
172: printf("Available commands:\n");
173: printf("cd path Change remote directory to 'path'\n");
174: printf("lcd path Change local directory to 'path'\n");
175: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
176: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
177: printf("chown own path Change owner of file 'path' to 'own'\n");
178: printf("help Display this help text\n");
179: printf("get remote-path [local-path] Download file\n");
180: printf("lls [ls-options [path]] Display local directory listing\n");
181: printf("ln oldpath newpath Symlink remote file\n");
182: printf("lmkdir path Create local directory\n");
183: printf("lpwd Print local working directory\n");
184: printf("ls [path] Display remote directory listing\n");
185: printf("lumask umask Set local umask to 'umask'\n");
186: printf("mkdir path Create remote directory\n");
187: printf("progress Toggle display of progress meter\n");
188: printf("put local-path [remote-path] Upload file\n");
189: printf("pwd Display remote working directory\n");
190: printf("exit Quit sftp\n");
191: printf("quit Quit sftp\n");
192: printf("rename oldpath newpath Rename remote file\n");
193: printf("rmdir path Remove remote directory\n");
194: printf("rm path Delete remote file\n");
195: printf("symlink oldpath newpath Symlink remote file\n");
196: printf("version Show SFTP version\n");
197: printf("!command Execute 'command' in local shell\n");
198: printf("! Escape to local shell\n");
199: printf("? Synonym for help\n");
200: }
201:
202: static void
203: local_do_shell(const char *args)
204: {
205: int status;
206: char *shell;
207: pid_t pid;
208:
209: if (!*args)
210: args = NULL;
211:
212: if ((shell = getenv("SHELL")) == NULL)
213: shell = _PATH_BSHELL;
214:
215: if ((pid = fork()) == -1)
216: fatal("Couldn't fork: %s", strerror(errno));
217:
218: if (pid == 0) {
219: /* XXX: child has pipe fds to ssh subproc open - issue? */
220: if (args) {
221: debug3("Executing %s -c \"%s\"", shell, args);
222: execl(shell, shell, "-c", args, (char *)NULL);
223: } else {
224: debug3("Executing %s", shell);
225: execl(shell, shell, (char *)NULL);
226: }
227: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
228: strerror(errno));
229: _exit(1);
230: }
231: while (waitpid(pid, &status, 0) == -1)
232: if (errno != EINTR)
233: fatal("Couldn't wait for child: %s", strerror(errno));
234: if (!WIFEXITED(status))
235: error("Shell exited abormally");
236: else if (WEXITSTATUS(status))
237: error("Shell exited with status %d", WEXITSTATUS(status));
238: }
239:
240: static void
241: local_do_ls(const char *args)
242: {
243: if (!args || !*args)
244: local_do_shell(_PATH_LS);
245: else {
246: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
247: char *buf = xmalloc(len);
248:
249: /* XXX: quoting - rip quoting code from ftp? */
250: snprintf(buf, len, _PATH_LS " %s", args);
251: local_do_shell(buf);
252: xfree(buf);
253: }
254: }
255:
256: /* Strip one path (usually the pwd) from the start of another */
257: static char *
258: path_strip(char *path, char *strip)
259: {
260: size_t len;
261:
262: if (strip == NULL)
263: return (xstrdup(path));
264:
265: len = strlen(strip);
1.59 djm 266: if (strncmp(path, strip, len) == 0) {
1.44 djm 267: if (strip[len - 1] != '/' && path[len] == '/')
268: len++;
269: return (xstrdup(path + len));
270: }
271:
272: return (xstrdup(path));
273: }
274:
275: static char *
276: path_append(char *p1, char *p2)
277: {
278: char *ret;
279: int len = strlen(p1) + strlen(p2) + 2;
280:
281: ret = xmalloc(len);
282: strlcpy(ret, p1, len);
283: if (p1[strlen(p1) - 1] != '/')
284: strlcat(ret, "/", len);
285: strlcat(ret, p2, len);
286:
287: return(ret);
288: }
289:
290: static char *
291: make_absolute(char *p, char *pwd)
292: {
1.51 avsm 293: char *abs_str;
1.44 djm 294:
295: /* Derelativise */
296: if (p && p[0] != '/') {
1.51 avsm 297: abs_str = path_append(pwd, p);
1.44 djm 298: xfree(p);
1.51 avsm 299: return(abs_str);
1.44 djm 300: } else
301: return(p);
302: }
303:
304: static int
305: infer_path(const char *p, char **ifp)
306: {
307: char *cp;
308:
309: cp = strrchr(p, '/');
310: if (cp == NULL) {
311: *ifp = xstrdup(p);
312: return(0);
313: }
314:
315: if (!cp[1]) {
316: error("Invalid path");
317: return(-1);
318: }
319:
320: *ifp = xstrdup(cp + 1);
321: return(0);
322: }
323:
324: static int
325: parse_getput_flags(const char **cpp, int *pflag)
326: {
327: const char *cp = *cpp;
328:
329: /* Check for flags */
330: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
331: switch (cp[1]) {
332: case 'p':
333: case 'P':
334: *pflag = 1;
335: break;
336: default:
337: error("Invalid flag -%c", cp[1]);
338: return(-1);
339: }
340: cp += 2;
341: *cpp = cp + strspn(cp, WHITESPACE);
342: }
343:
344: return(0);
345: }
346:
347: static int
348: parse_ls_flags(const char **cpp, int *lflag)
349: {
350: const char *cp = *cpp;
351:
1.52 djm 352: /* Defaults */
1.53 djm 353: *lflag = LS_NAME_SORT;
1.52 djm 354:
1.44 djm 355: /* Check for flags */
356: if (cp++[0] == '-') {
1.63 deraadt 357: for (; strchr(WHITESPACE, *cp) == NULL; cp++) {
1.44 djm 358: switch (*cp) {
359: case 'l':
1.50 djm 360: *lflag &= ~VIEW_FLAGS;
1.53 djm 361: *lflag |= LS_LONG_VIEW;
1.44 djm 362: break;
363: case '1':
1.50 djm 364: *lflag &= ~VIEW_FLAGS;
1.53 djm 365: *lflag |= LS_SHORT_VIEW;
1.50 djm 366: break;
367: case 'n':
368: *lflag &= ~VIEW_FLAGS;
1.53 djm 369: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
1.44 djm 370: break;
1.52 djm 371: case 'S':
372: *lflag &= ~SORT_FLAGS;
1.53 djm 373: *lflag |= LS_SIZE_SORT;
1.52 djm 374: break;
375: case 't':
376: *lflag &= ~SORT_FLAGS;
1.53 djm 377: *lflag |= LS_TIME_SORT;
1.52 djm 378: break;
379: case 'r':
1.53 djm 380: *lflag |= LS_REVERSE_SORT;
1.52 djm 381: break;
382: case 'f':
383: *lflag &= ~SORT_FLAGS;
384: break;
1.54 djm 385: case 'a':
386: *lflag |= LS_SHOW_ALL;
387: break;
1.44 djm 388: default:
389: error("Invalid flag -%c", *cp);
390: return(-1);
391: }
392: }
393: *cpp = cp + strspn(cp, WHITESPACE);
394: }
395:
396: return(0);
397: }
398:
399: static int
400: get_pathname(const char **cpp, char **path)
401: {
402: const char *cp = *cpp, *end;
403: char quot;
1.64 djm 404: u_int i, j;
1.44 djm 405:
406: cp += strspn(cp, WHITESPACE);
407: if (!*cp) {
408: *cpp = cp;
409: *path = NULL;
410: return (0);
411: }
412:
413: *path = xmalloc(strlen(cp) + 1);
414:
415: /* Check for quoted filenames */
416: if (*cp == '\"' || *cp == '\'') {
417: quot = *cp++;
418:
419: /* Search for terminating quote, unescape some chars */
420: for (i = j = 0; i <= strlen(cp); i++) {
421: if (cp[i] == quot) { /* Found quote */
422: i++;
423: (*path)[j] = '\0';
424: break;
425: }
426: if (cp[i] == '\0') { /* End of string */
427: error("Unterminated quote");
428: goto fail;
429: }
430: if (cp[i] == '\\') { /* Escaped characters */
431: i++;
432: if (cp[i] != '\'' && cp[i] != '\"' &&
433: cp[i] != '\\') {
1.55 djm 434: error("Bad escaped character '\\%c'",
1.44 djm 435: cp[i]);
436: goto fail;
437: }
438: }
439: (*path)[j++] = cp[i];
440: }
441:
442: if (j == 0) {
443: error("Empty quotes");
444: goto fail;
445: }
446: *cpp = cp + i + strspn(cp + i, WHITESPACE);
447: } else {
448: /* Read to end of filename */
449: end = strpbrk(cp, WHITESPACE);
450: if (end == NULL)
451: end = strchr(cp, '\0');
452: *cpp = end + strspn(end, WHITESPACE);
453:
454: memcpy(*path, cp, end - cp);
455: (*path)[end - cp] = '\0';
456: }
457: return (0);
458:
459: fail:
460: xfree(*path);
461: *path = NULL;
462: return (-1);
463: }
464:
465: static int
466: is_dir(char *path)
467: {
468: struct stat sb;
469:
470: /* XXX: report errors? */
471: if (stat(path, &sb) == -1)
472: return(0);
473:
474: return(sb.st_mode & S_IFDIR);
475: }
476:
477: static int
478: is_reg(char *path)
479: {
480: struct stat sb;
481:
482: if (stat(path, &sb) == -1)
483: fatal("stat %s: %s", path, strerror(errno));
484:
485: return(S_ISREG(sb.st_mode));
486: }
487:
488: static int
489: remote_is_dir(struct sftp_conn *conn, char *path)
490: {
491: Attrib *a;
492:
493: /* XXX: report errors? */
494: if ((a = do_stat(conn, path, 1)) == NULL)
495: return(0);
496: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
497: return(0);
498: return(a->perm & S_IFDIR);
499: }
500:
501: static int
502: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
503: {
504: char *abs_src = NULL;
505: char *abs_dst = NULL;
506: char *tmp;
507: glob_t g;
508: int err = 0;
509: int i;
510:
511: abs_src = xstrdup(src);
512: abs_src = make_absolute(abs_src, pwd);
513:
514: memset(&g, 0, sizeof(g));
515: debug3("Looking up %s", abs_src);
516: if (remote_glob(conn, abs_src, 0, NULL, &g)) {
517: error("File \"%s\" not found.", abs_src);
518: err = -1;
519: goto out;
520: }
521:
522: /* If multiple matches, dst must be a directory or unspecified */
523: if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
524: error("Multiple files match, but \"%s\" is not a directory",
525: dst);
526: err = -1;
527: goto out;
528: }
529:
1.46 djm 530: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 531: if (infer_path(g.gl_pathv[i], &tmp)) {
532: err = -1;
533: goto out;
534: }
535:
536: if (g.gl_matchc == 1 && dst) {
537: /* If directory specified, append filename */
538: if (is_dir(dst)) {
539: if (infer_path(g.gl_pathv[0], &tmp)) {
540: err = 1;
541: goto out;
542: }
543: abs_dst = path_append(dst, tmp);
544: xfree(tmp);
545: } else
546: abs_dst = xstrdup(dst);
547: } else if (dst) {
548: abs_dst = path_append(dst, tmp);
549: xfree(tmp);
550: } else
551: abs_dst = tmp;
552:
553: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
554: if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
555: err = -1;
556: xfree(abs_dst);
557: abs_dst = NULL;
558: }
559:
560: out:
561: xfree(abs_src);
562: if (abs_dst)
563: xfree(abs_dst);
564: globfree(&g);
565: return(err);
566: }
567:
568: static int
569: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
570: {
571: char *tmp_dst = NULL;
572: char *abs_dst = NULL;
573: char *tmp;
574: glob_t g;
575: int err = 0;
576: int i;
577:
578: if (dst) {
579: tmp_dst = xstrdup(dst);
580: tmp_dst = make_absolute(tmp_dst, pwd);
581: }
582:
583: memset(&g, 0, sizeof(g));
584: debug3("Looking up %s", src);
585: if (glob(src, 0, NULL, &g)) {
586: error("File \"%s\" not found.", src);
587: err = -1;
588: goto out;
589: }
590:
591: /* If multiple matches, dst may be directory or unspecified */
592: if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
593: error("Multiple files match, but \"%s\" is not a directory",
594: tmp_dst);
595: err = -1;
596: goto out;
597: }
598:
1.46 djm 599: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 600: if (!is_reg(g.gl_pathv[i])) {
601: error("skipping non-regular file %s",
602: g.gl_pathv[i]);
603: continue;
604: }
605: if (infer_path(g.gl_pathv[i], &tmp)) {
606: err = -1;
607: goto out;
608: }
609:
610: if (g.gl_matchc == 1 && tmp_dst) {
611: /* If directory specified, append filename */
612: if (remote_is_dir(conn, tmp_dst)) {
613: if (infer_path(g.gl_pathv[0], &tmp)) {
614: err = 1;
615: goto out;
616: }
617: abs_dst = path_append(tmp_dst, tmp);
618: xfree(tmp);
619: } else
620: abs_dst = xstrdup(tmp_dst);
621:
622: } else if (tmp_dst) {
623: abs_dst = path_append(tmp_dst, tmp);
624: xfree(tmp);
625: } else
626: abs_dst = make_absolute(tmp, pwd);
627:
628: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
629: if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
630: err = -1;
631: }
632:
633: out:
634: if (abs_dst)
635: xfree(abs_dst);
636: if (tmp_dst)
637: xfree(tmp_dst);
638: globfree(&g);
639: return(err);
640: }
641:
642: static int
643: sdirent_comp(const void *aa, const void *bb)
644: {
645: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
646: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 647: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 648:
1.52 djm 649: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 650: if (sort_flag & LS_NAME_SORT)
1.52 djm 651: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 652: else if (sort_flag & LS_TIME_SORT)
1.52 djm 653: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 654: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 655: return (rmul * NCMP(a->a.size, b->a.size));
656:
657: fatal("Unknown ls sort type");
1.44 djm 658: }
659:
660: /* sftp ls.1 replacement for directories */
661: static int
662: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
663: {
1.64 djm 664: int n;
665: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 666: SFTP_DIRENT **d;
667:
668: if ((n = do_readdir(conn, path, &d)) != 0)
669: return (n);
670:
1.53 djm 671: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 672: u_int m = 0, width = 80;
1.44 djm 673: struct winsize ws;
674: char *tmp;
675:
676: /* Count entries for sort and find longest filename */
1.54 djm 677: for (n = 0; d[n] != NULL; n++) {
678: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
679: m = MAX(m, strlen(d[n]->filename));
680: }
1.44 djm 681:
682: /* Add any subpath that also needs to be counted */
683: tmp = path_strip(path, strip_path);
684: m += strlen(tmp);
685: xfree(tmp);
686:
687: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
688: width = ws.ws_col;
689:
690: columns = width / (m + 2);
691: columns = MAX(columns, 1);
692: colspace = width / columns;
693: colspace = MIN(colspace, width);
694: }
695:
1.52 djm 696: if (lflag & SORT_FLAGS) {
1.68 dtucker 697: for (n = 0; d[n] != NULL; n++)
698: ; /* count entries */
1.53 djm 699: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 700: qsort(d, n, sizeof(*d), sdirent_comp);
701: }
1.44 djm 702:
1.46 djm 703: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 704: char *tmp, *fname;
1.54 djm 705:
706: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
707: continue;
1.44 djm 708:
709: tmp = path_append(path, d[n]->filename);
710: fname = path_strip(tmp, strip_path);
711: xfree(tmp);
712:
1.53 djm 713: if (lflag & LS_LONG_VIEW) {
714: if (lflag & LS_NUMERIC_VIEW) {
1.50 djm 715: char *lname;
716: struct stat sb;
717:
718: memset(&sb, 0, sizeof(sb));
719: attrib_to_stat(&d[n]->a, &sb);
720: lname = ls_file(fname, &sb, 1);
721: printf("%s\n", lname);
722: xfree(lname);
723: } else
724: printf("%s\n", d[n]->longname);
1.44 djm 725: } else {
726: printf("%-*s", colspace, fname);
727: if (c >= columns) {
728: printf("\n");
729: c = 1;
730: } else
731: c++;
732: }
733:
734: xfree(fname);
735: }
736:
1.53 djm 737: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 738: printf("\n");
739:
740: free_sftp_dirents(d);
741: return (0);
742: }
743:
744: /* sftp ls.1 replacement which handles path globs */
745: static int
746: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
747: int lflag)
748: {
749: glob_t g;
1.64 djm 750: u_int i, c = 1, colspace = 0, columns = 1;
1.60 fgsch 751: Attrib *a = NULL;
1.44 djm 752:
753: memset(&g, 0, sizeof(g));
754:
755: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
1.60 fgsch 756: NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
757: if (g.gl_pathc)
758: globfree(&g);
1.44 djm 759: error("Can't ls: \"%s\" not found", path);
760: return (-1);
761: }
762:
1.46 djm 763: if (interrupted)
764: goto out;
765:
1.44 djm 766: /*
1.60 fgsch 767: * If the glob returns a single match and it is a directory,
768: * then just list its contents.
1.44 djm 769: */
1.60 fgsch 770: if (g.gl_matchc == 1) {
771: if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
1.44 djm 772: globfree(&g);
773: return (-1);
774: }
775: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
776: S_ISDIR(a->perm)) {
1.60 fgsch 777: int err;
778:
779: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
1.44 djm 780: globfree(&g);
1.60 fgsch 781: return (err);
1.44 djm 782: }
783: }
784:
1.53 djm 785: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 786: u_int m = 0, width = 80;
1.44 djm 787: struct winsize ws;
788:
789: /* Count entries for sort and find longest filename */
790: for (i = 0; g.gl_pathv[i]; i++)
791: m = MAX(m, strlen(g.gl_pathv[i]));
792:
793: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
794: width = ws.ws_col;
795:
796: columns = width / (m + 2);
797: columns = MAX(columns, 1);
798: colspace = width / columns;
799: }
800:
1.60 fgsch 801: for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
1.44 djm 802: char *fname;
803:
804: fname = path_strip(g.gl_pathv[i], strip_path);
805:
1.53 djm 806: if (lflag & LS_LONG_VIEW) {
1.44 djm 807: char *lname;
808: struct stat sb;
809:
810: /*
811: * XXX: this is slow - 1 roundtrip per path
812: * A solution to this is to fork glob() and
813: * build a sftp specific version which keeps the
814: * attribs (which currently get thrown away)
815: * that the server returns as well as the filenames.
816: */
817: memset(&sb, 0, sizeof(sb));
1.60 fgsch 818: if (a == NULL)
819: a = do_lstat(conn, g.gl_pathv[i], 1);
1.44 djm 820: if (a != NULL)
821: attrib_to_stat(a, &sb);
822: lname = ls_file(fname, &sb, 1);
823: printf("%s\n", lname);
824: xfree(lname);
825: } else {
826: printf("%-*s", colspace, fname);
827: if (c >= columns) {
828: printf("\n");
829: c = 1;
830: } else
831: c++;
832: }
833: xfree(fname);
834: }
835:
1.53 djm 836: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 837: printf("\n");
838:
1.46 djm 839: out:
1.44 djm 840: if (g.gl_pathc)
841: globfree(&g);
842:
843: return (0);
844: }
845:
846: static int
847: parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
848: unsigned long *n_arg, char **path1, char **path2)
849: {
850: const char *cmd, *cp = *cpp;
851: char *cp2;
852: int base = 0;
853: long l;
854: int i, cmdnum;
855:
856: /* Skip leading whitespace */
857: cp = cp + strspn(cp, WHITESPACE);
858:
859: /* Ignore blank lines and lines which begin with comment '#' char */
860: if (*cp == '\0' || *cp == '#')
861: return (0);
862:
863: /* Check for leading '-' (disable error processing) */
864: *iflag = 0;
865: if (*cp == '-') {
866: *iflag = 1;
867: cp++;
868: }
869:
870: /* Figure out which command we have */
871: for (i = 0; cmds[i].c; i++) {
872: int cmdlen = strlen(cmds[i].c);
873:
874: /* Check for command followed by whitespace */
875: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
876: strchr(WHITESPACE, cp[cmdlen])) {
877: cp += cmdlen;
878: cp = cp + strspn(cp, WHITESPACE);
879: break;
880: }
881: }
882: cmdnum = cmds[i].n;
883: cmd = cmds[i].c;
884:
885: /* Special case */
886: if (*cp == '!') {
887: cp++;
888: cmdnum = I_SHELL;
889: } else if (cmdnum == -1) {
890: error("Invalid command.");
891: return (-1);
892: }
893:
894: /* Get arguments and parse flags */
895: *lflag = *pflag = *n_arg = 0;
896: *path1 = *path2 = NULL;
897: switch (cmdnum) {
898: case I_GET:
899: case I_PUT:
900: if (parse_getput_flags(&cp, pflag))
901: return(-1);
902: /* Get first pathname (mandatory) */
903: if (get_pathname(&cp, path1))
904: return(-1);
905: if (*path1 == NULL) {
906: error("You must specify at least one path after a "
907: "%s command.", cmd);
908: return(-1);
909: }
910: /* Try to get second pathname (optional) */
911: if (get_pathname(&cp, path2))
912: return(-1);
913: break;
914: case I_RENAME:
915: case I_SYMLINK:
916: if (get_pathname(&cp, path1))
917: return(-1);
918: if (get_pathname(&cp, path2))
919: return(-1);
920: if (!*path1 || !*path2) {
921: error("You must specify two paths after a %s "
922: "command.", cmd);
923: return(-1);
924: }
925: break;
926: case I_RM:
927: case I_MKDIR:
928: case I_RMDIR:
929: case I_CHDIR:
930: case I_LCHDIR:
931: case I_LMKDIR:
932: /* Get pathname (mandatory) */
933: if (get_pathname(&cp, path1))
934: return(-1);
935: if (*path1 == NULL) {
936: error("You must specify a path after a %s command.",
937: cmd);
938: return(-1);
939: }
940: break;
941: case I_LS:
942: if (parse_ls_flags(&cp, lflag))
943: return(-1);
944: /* Path is optional */
945: if (get_pathname(&cp, path1))
946: return(-1);
947: break;
948: case I_LLS:
949: case I_SHELL:
950: /* Uses the rest of the line */
951: break;
952: case I_LUMASK:
953: base = 8;
954: case I_CHMOD:
955: base = 8;
956: case I_CHOWN:
957: case I_CHGRP:
958: /* Get numeric arg (mandatory) */
959: l = strtol(cp, &cp2, base);
960: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
961: errno == ERANGE) || l < 0) {
962: error("You must supply a numeric argument "
963: "to the %s command.", cmd);
964: return(-1);
965: }
966: cp = cp2;
967: *n_arg = l;
968: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
969: break;
970: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
971: error("You must supply a numeric argument "
972: "to the %s command.", cmd);
973: return(-1);
974: }
975: cp += strspn(cp, WHITESPACE);
976:
977: /* Get pathname (mandatory) */
978: if (get_pathname(&cp, path1))
979: return(-1);
980: if (*path1 == NULL) {
981: error("You must specify a path after a %s command.",
982: cmd);
983: return(-1);
984: }
985: break;
986: case I_QUIT:
987: case I_PWD:
988: case I_LPWD:
989: case I_HELP:
990: case I_VERSION:
991: case I_PROGRESS:
992: break;
993: default:
994: fatal("Command not implemented");
995: }
996:
997: *cpp = cp;
998: return(cmdnum);
999: }
1000:
1001: static int
1002: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1003: int err_abort)
1004: {
1005: char *path1, *path2, *tmp;
1006: int pflag, lflag, iflag, cmdnum, i;
1007: unsigned long n_arg;
1008: Attrib a, *aa;
1009: char path_buf[MAXPATHLEN];
1010: int err = 0;
1011: glob_t g;
1012:
1013: path1 = path2 = NULL;
1014: cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
1015: &path1, &path2);
1016:
1017: if (iflag != 0)
1018: err_abort = 0;
1019:
1020: memset(&g, 0, sizeof(g));
1021:
1022: /* Perform command */
1023: switch (cmdnum) {
1024: case 0:
1025: /* Blank line */
1026: break;
1027: case -1:
1028: /* Unrecognized command */
1029: err = -1;
1030: break;
1031: case I_GET:
1032: err = process_get(conn, path1, path2, *pwd, pflag);
1033: break;
1034: case I_PUT:
1035: err = process_put(conn, path1, path2, *pwd, pflag);
1036: break;
1037: case I_RENAME:
1038: path1 = make_absolute(path1, *pwd);
1039: path2 = make_absolute(path2, *pwd);
1040: err = do_rename(conn, path1, path2);
1041: break;
1042: case I_SYMLINK:
1043: path2 = make_absolute(path2, *pwd);
1044: err = do_symlink(conn, path1, path2);
1045: break;
1046: case I_RM:
1047: path1 = make_absolute(path1, *pwd);
1048: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1049: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1050: printf("Removing %s\n", g.gl_pathv[i]);
1051: err = do_rm(conn, g.gl_pathv[i]);
1052: if (err != 0 && err_abort)
1053: break;
1054: }
1055: break;
1056: case I_MKDIR:
1057: path1 = make_absolute(path1, *pwd);
1058: attrib_clear(&a);
1059: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1060: a.perm = 0777;
1061: err = do_mkdir(conn, path1, &a);
1062: break;
1063: case I_RMDIR:
1064: path1 = make_absolute(path1, *pwd);
1065: err = do_rmdir(conn, path1);
1066: break;
1067: case I_CHDIR:
1068: path1 = make_absolute(path1, *pwd);
1069: if ((tmp = do_realpath(conn, path1)) == NULL) {
1070: err = 1;
1071: break;
1072: }
1073: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1074: xfree(tmp);
1075: err = 1;
1076: break;
1077: }
1078: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1079: error("Can't change directory: Can't check target");
1080: xfree(tmp);
1081: err = 1;
1082: break;
1083: }
1084: if (!S_ISDIR(aa->perm)) {
1085: error("Can't change directory: \"%s\" is not "
1086: "a directory", tmp);
1087: xfree(tmp);
1088: err = 1;
1089: break;
1090: }
1091: xfree(*pwd);
1092: *pwd = tmp;
1093: break;
1094: case I_LS:
1095: if (!path1) {
1096: do_globbed_ls(conn, *pwd, *pwd, lflag);
1097: break;
1098: }
1099:
1100: /* Strip pwd off beginning of non-absolute paths */
1101: tmp = NULL;
1102: if (*path1 != '/')
1103: tmp = *pwd;
1104:
1105: path1 = make_absolute(path1, *pwd);
1106: err = do_globbed_ls(conn, path1, tmp, lflag);
1107: break;
1108: case I_LCHDIR:
1109: if (chdir(path1) == -1) {
1110: error("Couldn't change local directory to "
1111: "\"%s\": %s", path1, strerror(errno));
1112: err = 1;
1113: }
1114: break;
1115: case I_LMKDIR:
1116: if (mkdir(path1, 0777) == -1) {
1117: error("Couldn't create local directory "
1118: "\"%s\": %s", path1, strerror(errno));
1119: err = 1;
1120: }
1121: break;
1122: case I_LLS:
1123: local_do_ls(cmd);
1124: break;
1125: case I_SHELL:
1126: local_do_shell(cmd);
1127: break;
1128: case I_LUMASK:
1129: umask(n_arg);
1130: printf("Local umask: %03lo\n", n_arg);
1131: break;
1132: case I_CHMOD:
1133: path1 = make_absolute(path1, *pwd);
1134: attrib_clear(&a);
1135: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1136: a.perm = n_arg;
1137: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1138: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1139: printf("Changing mode on %s\n", g.gl_pathv[i]);
1140: err = do_setstat(conn, g.gl_pathv[i], &a);
1141: if (err != 0 && err_abort)
1142: break;
1143: }
1144: break;
1145: case I_CHOWN:
1146: case I_CHGRP:
1147: path1 = make_absolute(path1, *pwd);
1148: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1149: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1150: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1151: if (err != 0 && err_abort)
1152: break;
1153: else
1154: continue;
1155: }
1156: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1157: error("Can't get current ownership of "
1158: "remote file \"%s\"", g.gl_pathv[i]);
1159: if (err != 0 && err_abort)
1160: break;
1161: else
1162: continue;
1163: }
1164: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1165: if (cmdnum == I_CHOWN) {
1166: printf("Changing owner on %s\n", g.gl_pathv[i]);
1167: aa->uid = n_arg;
1168: } else {
1169: printf("Changing group on %s\n", g.gl_pathv[i]);
1170: aa->gid = n_arg;
1171: }
1172: err = do_setstat(conn, g.gl_pathv[i], aa);
1173: if (err != 0 && err_abort)
1174: break;
1175: }
1176: break;
1177: case I_PWD:
1178: printf("Remote working directory: %s\n", *pwd);
1179: break;
1180: case I_LPWD:
1181: if (!getcwd(path_buf, sizeof(path_buf))) {
1182: error("Couldn't get local cwd: %s", strerror(errno));
1183: err = -1;
1184: break;
1185: }
1186: printf("Local working directory: %s\n", path_buf);
1187: break;
1188: case I_QUIT:
1189: /* Processed below */
1190: break;
1191: case I_HELP:
1192: help();
1193: break;
1194: case I_VERSION:
1195: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1196: break;
1197: case I_PROGRESS:
1198: showprogress = !showprogress;
1199: if (showprogress)
1200: printf("Progress meter enabled\n");
1201: else
1202: printf("Progress meter disabled\n");
1203: break;
1204: default:
1205: fatal("%d is not implemented", cmdnum);
1206: }
1207:
1208: if (g.gl_pathc)
1209: globfree(&g);
1210: if (path1)
1211: xfree(path1);
1212: if (path2)
1213: xfree(path2);
1214:
1215: /* If an unignored error occurs in batch mode we should abort. */
1216: if (err_abort && err != 0)
1217: return (-1);
1218: else if (cmdnum == I_QUIT)
1219: return (1);
1220:
1221: return (0);
1222: }
1223:
1.57 djm 1224: static char *
1225: prompt(EditLine *el)
1226: {
1227: return ("sftp> ");
1228: }
1229:
1.44 djm 1230: int
1231: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1232: {
1233: char *pwd;
1234: char *dir = NULL;
1235: char cmd[2048];
1236: struct sftp_conn *conn;
1.66 jaredy 1237: int err, interactive;
1.57 djm 1238: EditLine *el = NULL;
1239: History *hl = NULL;
1240: HistEvent hev;
1241: extern char *__progname;
1242:
1243: if (!batchmode && isatty(STDIN_FILENO)) {
1244: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1245: fatal("Couldn't initialise editline");
1246: if ((hl = history_init()) == NULL)
1247: fatal("Couldn't initialise editline history");
1248: history(hl, &hev, H_SETSIZE, 100);
1249: el_set(el, EL_HIST, history, hl);
1250:
1251: el_set(el, EL_PROMPT, prompt);
1252: el_set(el, EL_EDITOR, "emacs");
1253: el_set(el, EL_TERMINAL, NULL);
1254: el_set(el, EL_SIGNAL, 1);
1255: el_source(el, NULL);
1256: }
1.44 djm 1257:
1258: conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
1259: if (conn == NULL)
1260: fatal("Couldn't initialise connection to server");
1261:
1262: pwd = do_realpath(conn, ".");
1263: if (pwd == NULL)
1264: fatal("Need cwd");
1265:
1266: if (file1 != NULL) {
1267: dir = xstrdup(file1);
1268: dir = make_absolute(dir, pwd);
1269:
1270: if (remote_is_dir(conn, dir) && file2 == NULL) {
1271: printf("Changing to: %s\n", dir);
1272: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.58 markus 1273: if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
1274: xfree(dir);
1275: xfree(pwd);
1.44 djm 1276: return (-1);
1.58 markus 1277: }
1.44 djm 1278: } else {
1279: if (file2 == NULL)
1280: snprintf(cmd, sizeof cmd, "get %s", dir);
1281: else
1282: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1283: file2);
1284:
1285: err = parse_dispatch_command(conn, cmd, &pwd, 1);
1286: xfree(dir);
1287: xfree(pwd);
1288: return (err);
1289: }
1290: xfree(dir);
1291: }
1292:
1293: setvbuf(stdout, NULL, _IOLBF, 0);
1294: setvbuf(infile, NULL, _IOLBF, 0);
1295:
1.66 jaredy 1296: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1297: err = 0;
1298: for (;;) {
1299: char *cp;
1.57 djm 1300: const char *line;
1301: int count = 0;
1.44 djm 1302:
1.46 djm 1303: signal(SIGINT, SIG_IGN);
1304:
1.57 djm 1305: if (el == NULL) {
1.66 jaredy 1306: if (interactive)
1307: printf("sftp> ");
1.57 djm 1308: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1309: if (interactive)
1310: printf("\n");
1.57 djm 1311: break;
1312: }
1.66 jaredy 1313: if (!interactive) { /* Echo command */
1314: printf("sftp> %s", cmd);
1315: if (strlen(cmd) > 0 &&
1316: cmd[strlen(cmd) - 1] != '\n')
1317: printf("\n");
1318: }
1.57 djm 1319: } else {
1.66 jaredy 1320: if ((line = el_gets(el, &count)) == NULL || count <= 0) {
1321: printf("\n");
1.57 djm 1322: break;
1.66 jaredy 1323: }
1.57 djm 1324: history(hl, &hev, H_ENTER, line);
1325: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1326: fprintf(stderr, "Error: input line too long\n");
1327: continue;
1328: }
1.44 djm 1329: }
1330:
1331: cp = strrchr(cmd, '\n');
1332: if (cp)
1333: *cp = '\0';
1334:
1.46 djm 1335: /* Handle user interrupts gracefully during commands */
1336: interrupted = 0;
1337: signal(SIGINT, cmd_interrupt);
1338:
1.44 djm 1339: err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1340: if (err != 0)
1341: break;
1342: }
1343: xfree(pwd);
1.66 jaredy 1344:
1345: if (el != NULL)
1346: el_end(el);
1.44 djm 1347:
1348: /* err == 1 signifies normal "quit" exit */
1349: return (err >= 0 ? 0 : -1);
1350: }
1.34 fgsch 1351:
1.18 itojun 1352: static void
1.36 djm 1353: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1354: {
1355: int c_in, c_out;
1.30 deraadt 1356:
1.1 djm 1357: #ifdef USE_PIPES
1358: int pin[2], pout[2];
1.30 deraadt 1359:
1.1 djm 1360: if ((pipe(pin) == -1) || (pipe(pout) == -1))
1361: fatal("pipe: %s", strerror(errno));
1362: *in = pin[0];
1363: *out = pout[1];
1364: c_in = pout[0];
1365: c_out = pin[1];
1366: #else /* USE_PIPES */
1367: int inout[2];
1.30 deraadt 1368:
1.1 djm 1369: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1370: fatal("socketpair: %s", strerror(errno));
1371: *in = *out = inout[0];
1372: c_in = c_out = inout[1];
1373: #endif /* USE_PIPES */
1374:
1.36 djm 1375: if ((sshpid = fork()) == -1)
1.1 djm 1376: fatal("fork: %s", strerror(errno));
1.36 djm 1377: else if (sshpid == 0) {
1.1 djm 1378: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1379: (dup2(c_out, STDOUT_FILENO) == -1)) {
1380: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1381: _exit(1);
1.1 djm 1382: }
1383: close(*in);
1384: close(*out);
1385: close(c_in);
1386: close(c_out);
1.46 djm 1387:
1388: /*
1389: * The underlying ssh is in the same process group, so we must
1.56 deraadt 1390: * ignore SIGINT if we want to gracefully abort commands,
1391: * otherwise the signal will make it to the ssh process and
1.46 djm 1392: * kill it too
1393: */
1394: signal(SIGINT, SIG_IGN);
1.49 dtucker 1395: execvp(path, args);
1.23 djm 1396: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 1397: _exit(1);
1.1 djm 1398: }
1399:
1.36 djm 1400: signal(SIGTERM, killchild);
1401: signal(SIGINT, killchild);
1402: signal(SIGHUP, killchild);
1.1 djm 1403: close(c_in);
1404: close(c_out);
1405: }
1406:
1.18 itojun 1407: static void
1.1 djm 1408: usage(void)
1409: {
1.25 mpech 1410: extern char *__progname;
1.27 markus 1411:
1.19 stevesk 1412: fprintf(stderr,
1.38 jmc 1413: "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1414: " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1415: " [-S program] [-s subsystem | sftp_server] host\n"
1416: " %s [[user@]host[:file [file]]]\n"
1417: " %s [[user@]host[:dir[/]]]\n"
1418: " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
1.1 djm 1419: exit(1);
1420: }
1421:
1.2 stevesk 1422: int
1.1 djm 1423: main(int argc, char **argv)
1424: {
1.33 djm 1425: int in, out, ch, err;
1.48 pedro 1426: char *host, *userhost, *cp, *file2 = NULL;
1.17 mouring 1427: int debug_level = 0, sshver = 2;
1428: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 1429: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.17 mouring 1430: LogLevel ll = SYSLOG_LEVEL_INFO;
1431: arglist args;
1.3 djm 1432: extern int optind;
1433: extern char *optarg;
1.67 djm 1434:
1435: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
1436: sanitise_stdfd();
1.1 djm 1437:
1.70 djm 1438: memset(&args, '\0', sizeof(args));
1.17 mouring 1439: args.list = NULL;
1.70 djm 1440: addargs(&args, ssh_program);
1.17 mouring 1441: addargs(&args, "-oForwardX11 no");
1442: addargs(&args, "-oForwardAgent no");
1.69 reyk 1443: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 1444: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 1445:
1.17 mouring 1446: ll = SYSLOG_LEVEL_INFO;
1.40 djm 1447: infile = stdin;
1.3 djm 1448:
1.26 djm 1449: while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 1450: switch (ch) {
1451: case 'C':
1.17 mouring 1452: addargs(&args, "-C");
1.3 djm 1453: break;
1454: case 'v':
1.17 mouring 1455: if (debug_level < 3) {
1456: addargs(&args, "-v");
1457: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1458: }
1459: debug_level++;
1.3 djm 1460: break;
1.19 stevesk 1461: case 'F':
1.3 djm 1462: case 'o':
1.19 stevesk 1463: addargs(&args, "-%c%s", ch, optarg);
1.7 markus 1464: break;
1465: case '1':
1.17 mouring 1466: sshver = 1;
1.7 markus 1467: if (sftp_server == NULL)
1468: sftp_server = _PATH_SFTP_SERVER;
1469: break;
1470: case 's':
1471: sftp_server = optarg;
1472: break;
1473: case 'S':
1474: ssh_program = optarg;
1.70 djm 1475: replacearg(&args, 0, "%s", ssh_program);
1.3 djm 1476: break;
1.10 deraadt 1477: case 'b':
1.39 djm 1478: if (batchmode)
1479: fatal("Batch file already specified.");
1480:
1481: /* Allow "-" as stdin */
1.56 deraadt 1482: if (strcmp(optarg, "-") != 0 &&
1.65 djm 1483: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 1484: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 1485: showprogress = 0;
1.39 djm 1486: batchmode = 1;
1.62 djm 1487: addargs(&args, "-obatchmode yes");
1.10 deraadt 1488: break;
1.23 djm 1489: case 'P':
1490: sftp_direct = optarg;
1.24 djm 1491: break;
1492: case 'B':
1493: copy_buffer_len = strtol(optarg, &cp, 10);
1494: if (copy_buffer_len == 0 || *cp != '\0')
1495: fatal("Invalid buffer size \"%s\"", optarg);
1.26 djm 1496: break;
1497: case 'R':
1498: num_requests = strtol(optarg, &cp, 10);
1499: if (num_requests == 0 || *cp != '\0')
1.27 markus 1500: fatal("Invalid number of requests \"%s\"",
1.26 djm 1501: optarg);
1.23 djm 1502: break;
1.3 djm 1503: case 'h':
1504: default:
1.1 djm 1505: usage();
1506: }
1507: }
1.45 djm 1508:
1509: if (!isatty(STDERR_FILENO))
1510: showprogress = 0;
1.1 djm 1511:
1.29 markus 1512: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1513:
1.23 djm 1514: if (sftp_direct == NULL) {
1515: if (optind == argc || argc > (optind + 2))
1516: usage();
1517:
1518: userhost = xstrdup(argv[optind]);
1519: file2 = argv[optind+1];
1.1 djm 1520:
1.32 markus 1521: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 1522: host = userhost;
1523: else {
1524: *host++ = '\0';
1525: if (!userhost[0]) {
1526: fprintf(stderr, "Missing username\n");
1527: usage();
1528: }
1529: addargs(&args, "-l%s",userhost);
1.41 djm 1530: }
1531:
1532: if ((cp = colon(host)) != NULL) {
1533: *cp++ = '\0';
1534: file1 = cp;
1.23 djm 1535: }
1.3 djm 1536:
1.23 djm 1537: host = cleanhostname(host);
1538: if (!*host) {
1539: fprintf(stderr, "Missing hostname\n");
1.1 djm 1540: usage();
1541: }
1542:
1.23 djm 1543: addargs(&args, "-oProtocol %d", sshver);
1544:
1545: /* no subsystem if the server-spec contains a '/' */
1546: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1547: addargs(&args, "-s");
1548:
1549: addargs(&args, "%s", host);
1.27 markus 1550: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 1551: sftp_server : "sftp"));
1552:
1.39 djm 1553: if (!batchmode)
1554: fprintf(stderr, "Connecting to %s...\n", host);
1.36 djm 1555: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 1556: } else {
1557: args.list = NULL;
1558: addargs(&args, "sftp-server");
1559:
1.39 djm 1560: if (!batchmode)
1561: fprintf(stderr, "Attaching to %s...\n", sftp_direct);
1.36 djm 1562: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 1563: }
1.70 djm 1564: freeargs(&args);
1.1 djm 1565:
1.33 djm 1566: err = interactive_loop(in, out, file1, file2);
1.1 djm 1567:
1568: close(in);
1569: close(out);
1.39 djm 1570: if (batchmode)
1.10 deraadt 1571: fclose(infile);
1.1 djm 1572:
1.28 markus 1573: while (waitpid(sshpid, NULL, 0) == -1)
1574: if (errno != EINTR)
1575: fatal("Couldn't wait for ssh process: %s",
1576: strerror(errno));
1.1 djm 1577:
1.33 djm 1578: exit(err == 0 ? 0 : 1);
1.1 djm 1579: }