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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"
18:
1.60 ! fgsch 19: RCSID("$OpenBSD: sftp.c,v 1.59 2004/11/29 07:41:24 djm Exp $");
1.44 djm 20:
21: #include <glob.h>
1.57 djm 22: #include <histedit.h>
1.1 djm 23:
24: #include "buffer.h"
25: #include "xmalloc.h"
26: #include "log.h"
27: #include "pathnames.h"
1.16 mouring 28: #include "misc.h"
1.1 djm 29:
30: #include "sftp.h"
31: #include "sftp-common.h"
32: #include "sftp-client.h"
1.43 djm 33:
1.44 djm 34: /* File to read commands from */
35: FILE* infile;
1.15 mouring 36:
1.44 djm 37: /* Are we in batchfile mode? */
1.39 djm 38: int batchmode = 0;
1.44 djm 39:
40: /* Size of buffer used when copying files */
1.24 djm 41: size_t copy_buffer_len = 32768;
1.44 djm 42:
43: /* Number of concurrent outstanding requests */
1.26 djm 44: size_t num_requests = 16;
1.44 djm 45:
46: /* PID of ssh transport process */
1.36 djm 47: static pid_t sshpid = -1;
1.7 markus 48:
1.44 djm 49: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 50: int showprogress = 1;
1.44 djm 51:
1.46 djm 52: /* SIGINT received during command processing */
53: volatile sig_atomic_t interrupted = 0;
54:
1.52 djm 55: /* I wish qsort() took a separate ctx for the comparison function...*/
56: int sort_flag;
57:
1.44 djm 58: int remote_glob(struct sftp_conn *, const char *, int,
59: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
60:
61: /* Separators for interactive commands */
62: #define WHITESPACE " \t\r\n"
63:
1.52 djm 64: /* ls flags */
1.53 djm 65: #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
66: #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
67: #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
68: #define LS_NAME_SORT 0x08 /* Sort by name (default) */
69: #define LS_TIME_SORT 0x10 /* Sort by mtime */
70: #define LS_SIZE_SORT 0x20 /* Sort by file size */
71: #define LS_REVERSE_SORT 0x40 /* Reverse sort order */
1.54 djm 72: #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
1.52 djm 73:
1.53 djm 74: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
75: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 76:
77: /* Commands for interactive mode */
78: #define I_CHDIR 1
79: #define I_CHGRP 2
80: #define I_CHMOD 3
81: #define I_CHOWN 4
82: #define I_GET 5
83: #define I_HELP 6
84: #define I_LCHDIR 7
85: #define I_LLS 8
86: #define I_LMKDIR 9
87: #define I_LPWD 10
88: #define I_LS 11
89: #define I_LUMASK 12
90: #define I_MKDIR 13
91: #define I_PUT 14
92: #define I_PWD 15
93: #define I_QUIT 16
94: #define I_RENAME 17
95: #define I_RM 18
96: #define I_RMDIR 19
97: #define I_SHELL 20
98: #define I_SYMLINK 21
99: #define I_VERSION 22
100: #define I_PROGRESS 23
101:
102: struct CMD {
103: const char *c;
104: const int n;
105: };
106:
107: static const struct CMD cmds[] = {
108: { "bye", I_QUIT },
109: { "cd", I_CHDIR },
110: { "chdir", I_CHDIR },
111: { "chgrp", I_CHGRP },
112: { "chmod", I_CHMOD },
113: { "chown", I_CHOWN },
114: { "dir", I_LS },
115: { "exit", I_QUIT },
116: { "get", I_GET },
117: { "mget", I_GET },
118: { "help", I_HELP },
119: { "lcd", I_LCHDIR },
120: { "lchdir", I_LCHDIR },
121: { "lls", I_LLS },
122: { "lmkdir", I_LMKDIR },
123: { "ln", I_SYMLINK },
124: { "lpwd", I_LPWD },
125: { "ls", I_LS },
126: { "lumask", I_LUMASK },
127: { "mkdir", I_MKDIR },
128: { "progress", I_PROGRESS },
129: { "put", I_PUT },
130: { "mput", I_PUT },
131: { "pwd", I_PWD },
132: { "quit", I_QUIT },
133: { "rename", I_RENAME },
134: { "rm", I_RM },
135: { "rmdir", I_RMDIR },
136: { "symlink", I_SYMLINK },
137: { "version", I_VERSION },
138: { "!", I_SHELL },
139: { "?", I_HELP },
140: { NULL, -1}
141: };
142:
143: int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
144:
145: static void
1.46 djm 146: killchild(int signo)
147: {
148: if (sshpid > 1)
149: kill(sshpid, SIGTERM);
150:
151: _exit(1);
152: }
153:
154: static void
155: cmd_interrupt(int signo)
156: {
157: const char msg[] = "\rInterrupt \n";
1.59 djm 158: int olderrno = errno;
1.46 djm 159:
160: write(STDERR_FILENO, msg, sizeof(msg) - 1);
161: interrupted = 1;
1.59 djm 162: errno = olderrno;
1.46 djm 163: }
164:
165: static void
1.44 djm 166: help(void)
167: {
168: printf("Available commands:\n");
169: printf("cd path Change remote directory to 'path'\n");
170: printf("lcd path Change local directory to 'path'\n");
171: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
172: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
173: printf("chown own path Change owner of file 'path' to 'own'\n");
174: printf("help Display this help text\n");
175: printf("get remote-path [local-path] Download file\n");
176: printf("lls [ls-options [path]] Display local directory listing\n");
177: printf("ln oldpath newpath Symlink remote file\n");
178: printf("lmkdir path Create local directory\n");
179: printf("lpwd Print local working directory\n");
180: printf("ls [path] Display remote directory listing\n");
181: printf("lumask umask Set local umask to 'umask'\n");
182: printf("mkdir path Create remote directory\n");
183: printf("progress Toggle display of progress meter\n");
184: printf("put local-path [remote-path] Upload file\n");
185: printf("pwd Display remote working directory\n");
186: printf("exit Quit sftp\n");
187: printf("quit Quit sftp\n");
188: printf("rename oldpath newpath Rename remote file\n");
189: printf("rmdir path Remove remote directory\n");
190: printf("rm path Delete remote file\n");
191: printf("symlink oldpath newpath Symlink remote file\n");
192: printf("version Show SFTP version\n");
193: printf("!command Execute 'command' in local shell\n");
194: printf("! Escape to local shell\n");
195: printf("? Synonym for help\n");
196: }
197:
198: static void
199: local_do_shell(const char *args)
200: {
201: int status;
202: char *shell;
203: pid_t pid;
204:
205: if (!*args)
206: args = NULL;
207:
208: if ((shell = getenv("SHELL")) == NULL)
209: shell = _PATH_BSHELL;
210:
211: if ((pid = fork()) == -1)
212: fatal("Couldn't fork: %s", strerror(errno));
213:
214: if (pid == 0) {
215: /* XXX: child has pipe fds to ssh subproc open - issue? */
216: if (args) {
217: debug3("Executing %s -c \"%s\"", shell, args);
218: execl(shell, shell, "-c", args, (char *)NULL);
219: } else {
220: debug3("Executing %s", shell);
221: execl(shell, shell, (char *)NULL);
222: }
223: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
224: strerror(errno));
225: _exit(1);
226: }
227: while (waitpid(pid, &status, 0) == -1)
228: if (errno != EINTR)
229: fatal("Couldn't wait for child: %s", strerror(errno));
230: if (!WIFEXITED(status))
231: error("Shell exited abormally");
232: else if (WEXITSTATUS(status))
233: error("Shell exited with status %d", WEXITSTATUS(status));
234: }
235:
236: static void
237: local_do_ls(const char *args)
238: {
239: if (!args || !*args)
240: local_do_shell(_PATH_LS);
241: else {
242: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
243: char *buf = xmalloc(len);
244:
245: /* XXX: quoting - rip quoting code from ftp? */
246: snprintf(buf, len, _PATH_LS " %s", args);
247: local_do_shell(buf);
248: xfree(buf);
249: }
250: }
251:
252: /* Strip one path (usually the pwd) from the start of another */
253: static char *
254: path_strip(char *path, char *strip)
255: {
256: size_t len;
257:
258: if (strip == NULL)
259: return (xstrdup(path));
260:
261: len = strlen(strip);
1.59 djm 262: if (strncmp(path, strip, len) == 0) {
1.44 djm 263: if (strip[len - 1] != '/' && path[len] == '/')
264: len++;
265: return (xstrdup(path + len));
266: }
267:
268: return (xstrdup(path));
269: }
270:
271: static char *
272: path_append(char *p1, char *p2)
273: {
274: char *ret;
275: int len = strlen(p1) + strlen(p2) + 2;
276:
277: ret = xmalloc(len);
278: strlcpy(ret, p1, len);
279: if (p1[strlen(p1) - 1] != '/')
280: strlcat(ret, "/", len);
281: strlcat(ret, p2, len);
282:
283: return(ret);
284: }
285:
286: static char *
287: make_absolute(char *p, char *pwd)
288: {
1.51 avsm 289: char *abs_str;
1.44 djm 290:
291: /* Derelativise */
292: if (p && p[0] != '/') {
1.51 avsm 293: abs_str = path_append(pwd, p);
1.44 djm 294: xfree(p);
1.51 avsm 295: return(abs_str);
1.44 djm 296: } else
297: return(p);
298: }
299:
300: static int
301: infer_path(const char *p, char **ifp)
302: {
303: char *cp;
304:
305: cp = strrchr(p, '/');
306: if (cp == NULL) {
307: *ifp = xstrdup(p);
308: return(0);
309: }
310:
311: if (!cp[1]) {
312: error("Invalid path");
313: return(-1);
314: }
315:
316: *ifp = xstrdup(cp + 1);
317: return(0);
318: }
319:
320: static int
321: parse_getput_flags(const char **cpp, int *pflag)
322: {
323: const char *cp = *cpp;
324:
325: /* Check for flags */
326: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
327: switch (cp[1]) {
328: case 'p':
329: case 'P':
330: *pflag = 1;
331: break;
332: default:
333: error("Invalid flag -%c", cp[1]);
334: return(-1);
335: }
336: cp += 2;
337: *cpp = cp + strspn(cp, WHITESPACE);
338: }
339:
340: return(0);
341: }
342:
343: static int
344: parse_ls_flags(const char **cpp, int *lflag)
345: {
346: const char *cp = *cpp;
347:
1.52 djm 348: /* Defaults */
1.53 djm 349: *lflag = LS_NAME_SORT;
1.52 djm 350:
1.44 djm 351: /* Check for flags */
352: if (cp++[0] == '-') {
353: for(; strchr(WHITESPACE, *cp) == NULL; cp++) {
354: switch (*cp) {
355: case 'l':
1.50 djm 356: *lflag &= ~VIEW_FLAGS;
1.53 djm 357: *lflag |= LS_LONG_VIEW;
1.44 djm 358: break;
359: case '1':
1.50 djm 360: *lflag &= ~VIEW_FLAGS;
1.53 djm 361: *lflag |= LS_SHORT_VIEW;
1.50 djm 362: break;
363: case 'n':
364: *lflag &= ~VIEW_FLAGS;
1.53 djm 365: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
1.44 djm 366: break;
1.52 djm 367: case 'S':
368: *lflag &= ~SORT_FLAGS;
1.53 djm 369: *lflag |= LS_SIZE_SORT;
1.52 djm 370: break;
371: case 't':
372: *lflag &= ~SORT_FLAGS;
1.53 djm 373: *lflag |= LS_TIME_SORT;
1.52 djm 374: break;
375: case 'r':
1.53 djm 376: *lflag |= LS_REVERSE_SORT;
1.52 djm 377: break;
378: case 'f':
379: *lflag &= ~SORT_FLAGS;
380: break;
1.54 djm 381: case 'a':
382: *lflag |= LS_SHOW_ALL;
383: break;
1.44 djm 384: default:
385: error("Invalid flag -%c", *cp);
386: return(-1);
387: }
388: }
389: *cpp = cp + strspn(cp, WHITESPACE);
390: }
391:
392: return(0);
393: }
394:
395: static int
396: get_pathname(const char **cpp, char **path)
397: {
398: const char *cp = *cpp, *end;
399: char quot;
400: int i, j;
401:
402: cp += strspn(cp, WHITESPACE);
403: if (!*cp) {
404: *cpp = cp;
405: *path = NULL;
406: return (0);
407: }
408:
409: *path = xmalloc(strlen(cp) + 1);
410:
411: /* Check for quoted filenames */
412: if (*cp == '\"' || *cp == '\'') {
413: quot = *cp++;
414:
415: /* Search for terminating quote, unescape some chars */
416: for (i = j = 0; i <= strlen(cp); i++) {
417: if (cp[i] == quot) { /* Found quote */
418: i++;
419: (*path)[j] = '\0';
420: break;
421: }
422: if (cp[i] == '\0') { /* End of string */
423: error("Unterminated quote");
424: goto fail;
425: }
426: if (cp[i] == '\\') { /* Escaped characters */
427: i++;
428: if (cp[i] != '\'' && cp[i] != '\"' &&
429: cp[i] != '\\') {
1.55 djm 430: error("Bad escaped character '\\%c'",
1.44 djm 431: cp[i]);
432: goto fail;
433: }
434: }
435: (*path)[j++] = cp[i];
436: }
437:
438: if (j == 0) {
439: error("Empty quotes");
440: goto fail;
441: }
442: *cpp = cp + i + strspn(cp + i, WHITESPACE);
443: } else {
444: /* Read to end of filename */
445: end = strpbrk(cp, WHITESPACE);
446: if (end == NULL)
447: end = strchr(cp, '\0');
448: *cpp = end + strspn(end, WHITESPACE);
449:
450: memcpy(*path, cp, end - cp);
451: (*path)[end - cp] = '\0';
452: }
453: return (0);
454:
455: fail:
456: xfree(*path);
457: *path = NULL;
458: return (-1);
459: }
460:
461: static int
462: is_dir(char *path)
463: {
464: struct stat sb;
465:
466: /* XXX: report errors? */
467: if (stat(path, &sb) == -1)
468: return(0);
469:
470: return(sb.st_mode & S_IFDIR);
471: }
472:
473: static int
474: is_reg(char *path)
475: {
476: struct stat sb;
477:
478: if (stat(path, &sb) == -1)
479: fatal("stat %s: %s", path, strerror(errno));
480:
481: return(S_ISREG(sb.st_mode));
482: }
483:
484: static int
485: remote_is_dir(struct sftp_conn *conn, char *path)
486: {
487: Attrib *a;
488:
489: /* XXX: report errors? */
490: if ((a = do_stat(conn, path, 1)) == NULL)
491: return(0);
492: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
493: return(0);
494: return(a->perm & S_IFDIR);
495: }
496:
497: static int
498: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
499: {
500: char *abs_src = NULL;
501: char *abs_dst = NULL;
502: char *tmp;
503: glob_t g;
504: int err = 0;
505: int i;
506:
507: abs_src = xstrdup(src);
508: abs_src = make_absolute(abs_src, pwd);
509:
510: memset(&g, 0, sizeof(g));
511: debug3("Looking up %s", abs_src);
512: if (remote_glob(conn, abs_src, 0, NULL, &g)) {
513: error("File \"%s\" not found.", abs_src);
514: err = -1;
515: goto out;
516: }
517:
518: /* If multiple matches, dst must be a directory or unspecified */
519: if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
520: error("Multiple files match, but \"%s\" is not a directory",
521: dst);
522: err = -1;
523: goto out;
524: }
525:
1.46 djm 526: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 527: if (infer_path(g.gl_pathv[i], &tmp)) {
528: err = -1;
529: goto out;
530: }
531:
532: if (g.gl_matchc == 1 && dst) {
533: /* If directory specified, append filename */
534: if (is_dir(dst)) {
535: if (infer_path(g.gl_pathv[0], &tmp)) {
536: err = 1;
537: goto out;
538: }
539: abs_dst = path_append(dst, tmp);
540: xfree(tmp);
541: } else
542: abs_dst = xstrdup(dst);
543: } else if (dst) {
544: abs_dst = path_append(dst, tmp);
545: xfree(tmp);
546: } else
547: abs_dst = tmp;
548:
549: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
550: if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
551: err = -1;
552: xfree(abs_dst);
553: abs_dst = NULL;
554: }
555:
556: out:
557: xfree(abs_src);
558: if (abs_dst)
559: xfree(abs_dst);
560: globfree(&g);
561: return(err);
562: }
563:
564: static int
565: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
566: {
567: char *tmp_dst = NULL;
568: char *abs_dst = NULL;
569: char *tmp;
570: glob_t g;
571: int err = 0;
572: int i;
573:
574: if (dst) {
575: tmp_dst = xstrdup(dst);
576: tmp_dst = make_absolute(tmp_dst, pwd);
577: }
578:
579: memset(&g, 0, sizeof(g));
580: debug3("Looking up %s", src);
581: if (glob(src, 0, NULL, &g)) {
582: error("File \"%s\" not found.", src);
583: err = -1;
584: goto out;
585: }
586:
587: /* If multiple matches, dst may be directory or unspecified */
588: if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
589: error("Multiple files match, but \"%s\" is not a directory",
590: tmp_dst);
591: err = -1;
592: goto out;
593: }
594:
1.46 djm 595: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 596: if (!is_reg(g.gl_pathv[i])) {
597: error("skipping non-regular file %s",
598: g.gl_pathv[i]);
599: continue;
600: }
601: if (infer_path(g.gl_pathv[i], &tmp)) {
602: err = -1;
603: goto out;
604: }
605:
606: if (g.gl_matchc == 1 && tmp_dst) {
607: /* If directory specified, append filename */
608: if (remote_is_dir(conn, tmp_dst)) {
609: if (infer_path(g.gl_pathv[0], &tmp)) {
610: err = 1;
611: goto out;
612: }
613: abs_dst = path_append(tmp_dst, tmp);
614: xfree(tmp);
615: } else
616: abs_dst = xstrdup(tmp_dst);
617:
618: } else if (tmp_dst) {
619: abs_dst = path_append(tmp_dst, tmp);
620: xfree(tmp);
621: } else
622: abs_dst = make_absolute(tmp, pwd);
623:
624: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
625: if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
626: err = -1;
627: }
628:
629: out:
630: if (abs_dst)
631: xfree(abs_dst);
632: if (tmp_dst)
633: xfree(tmp_dst);
634: globfree(&g);
635: return(err);
636: }
637:
638: static int
639: sdirent_comp(const void *aa, const void *bb)
640: {
641: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
642: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 643: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 644:
1.52 djm 645: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 646: if (sort_flag & LS_NAME_SORT)
1.52 djm 647: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 648: else if (sort_flag & LS_TIME_SORT)
1.52 djm 649: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 650: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 651: return (rmul * NCMP(a->a.size, b->a.size));
652:
653: fatal("Unknown ls sort type");
1.44 djm 654: }
655:
656: /* sftp ls.1 replacement for directories */
657: static int
658: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
659: {
660: int n, c = 1, colspace = 0, columns = 1;
661: SFTP_DIRENT **d;
662:
663: if ((n = do_readdir(conn, path, &d)) != 0)
664: return (n);
665:
1.53 djm 666: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 667: int m = 0, width = 80;
668: struct winsize ws;
669: char *tmp;
670:
671: /* Count entries for sort and find longest filename */
1.54 djm 672: for (n = 0; d[n] != NULL; n++) {
673: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
674: m = MAX(m, strlen(d[n]->filename));
675: }
1.44 djm 676:
677: /* Add any subpath that also needs to be counted */
678: tmp = path_strip(path, strip_path);
679: m += strlen(tmp);
680: xfree(tmp);
681:
682: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
683: width = ws.ws_col;
684:
685: columns = width / (m + 2);
686: columns = MAX(columns, 1);
687: colspace = width / columns;
688: colspace = MIN(colspace, width);
689: }
690:
1.52 djm 691: if (lflag & SORT_FLAGS) {
1.53 djm 692: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 693: qsort(d, n, sizeof(*d), sdirent_comp);
694: }
1.44 djm 695:
1.46 djm 696: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 697: char *tmp, *fname;
1.54 djm 698:
699: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
700: continue;
1.44 djm 701:
702: tmp = path_append(path, d[n]->filename);
703: fname = path_strip(tmp, strip_path);
704: xfree(tmp);
705:
1.53 djm 706: if (lflag & LS_LONG_VIEW) {
707: if (lflag & LS_NUMERIC_VIEW) {
1.50 djm 708: char *lname;
709: struct stat sb;
710:
711: memset(&sb, 0, sizeof(sb));
712: attrib_to_stat(&d[n]->a, &sb);
713: lname = ls_file(fname, &sb, 1);
714: printf("%s\n", lname);
715: xfree(lname);
716: } else
717: printf("%s\n", d[n]->longname);
1.44 djm 718: } else {
719: printf("%-*s", colspace, fname);
720: if (c >= columns) {
721: printf("\n");
722: c = 1;
723: } else
724: c++;
725: }
726:
727: xfree(fname);
728: }
729:
1.53 djm 730: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 731: printf("\n");
732:
733: free_sftp_dirents(d);
734: return (0);
735: }
736:
737: /* sftp ls.1 replacement which handles path globs */
738: static int
739: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
740: int lflag)
741: {
742: glob_t g;
743: int i, c = 1, colspace = 0, columns = 1;
1.60 ! fgsch 744: Attrib *a = NULL;
1.44 djm 745:
746: memset(&g, 0, sizeof(g));
747:
748: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
1.60 ! fgsch 749: NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
! 750: if (g.gl_pathc)
! 751: globfree(&g);
1.44 djm 752: error("Can't ls: \"%s\" not found", path);
753: return (-1);
754: }
755:
1.46 djm 756: if (interrupted)
757: goto out;
758:
1.44 djm 759: /*
1.60 ! fgsch 760: * If the glob returns a single match and it is a directory,
! 761: * then just list its contents.
1.44 djm 762: */
1.60 ! fgsch 763: if (g.gl_matchc == 1) {
! 764: if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
1.44 djm 765: globfree(&g);
766: return (-1);
767: }
768: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
769: S_ISDIR(a->perm)) {
1.60 ! fgsch 770: int err;
! 771:
! 772: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
1.44 djm 773: globfree(&g);
1.60 ! fgsch 774: return (err);
1.44 djm 775: }
776: }
777:
1.53 djm 778: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 779: int m = 0, width = 80;
780: struct winsize ws;
781:
782: /* Count entries for sort and find longest filename */
783: for (i = 0; g.gl_pathv[i]; i++)
784: m = MAX(m, strlen(g.gl_pathv[i]));
785:
786: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
787: width = ws.ws_col;
788:
789: columns = width / (m + 2);
790: columns = MAX(columns, 1);
791: colspace = width / columns;
792: }
793:
1.60 ! fgsch 794: for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
1.44 djm 795: char *fname;
796:
797: fname = path_strip(g.gl_pathv[i], strip_path);
798:
1.53 djm 799: if (lflag & LS_LONG_VIEW) {
1.44 djm 800: char *lname;
801: struct stat sb;
802:
803: /*
804: * XXX: this is slow - 1 roundtrip per path
805: * A solution to this is to fork glob() and
806: * build a sftp specific version which keeps the
807: * attribs (which currently get thrown away)
808: * that the server returns as well as the filenames.
809: */
810: memset(&sb, 0, sizeof(sb));
1.60 ! fgsch 811: if (a == NULL)
! 812: a = do_lstat(conn, g.gl_pathv[i], 1);
1.44 djm 813: if (a != NULL)
814: attrib_to_stat(a, &sb);
815: lname = ls_file(fname, &sb, 1);
816: printf("%s\n", lname);
817: xfree(lname);
818: } else {
819: printf("%-*s", colspace, fname);
820: if (c >= columns) {
821: printf("\n");
822: c = 1;
823: } else
824: c++;
825: }
826: xfree(fname);
827: }
828:
1.53 djm 829: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 830: printf("\n");
831:
1.46 djm 832: out:
1.44 djm 833: if (g.gl_pathc)
834: globfree(&g);
835:
836: return (0);
837: }
838:
839: static int
840: parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
841: unsigned long *n_arg, char **path1, char **path2)
842: {
843: const char *cmd, *cp = *cpp;
844: char *cp2;
845: int base = 0;
846: long l;
847: int i, cmdnum;
848:
849: /* Skip leading whitespace */
850: cp = cp + strspn(cp, WHITESPACE);
851:
852: /* Ignore blank lines and lines which begin with comment '#' char */
853: if (*cp == '\0' || *cp == '#')
854: return (0);
855:
856: /* Check for leading '-' (disable error processing) */
857: *iflag = 0;
858: if (*cp == '-') {
859: *iflag = 1;
860: cp++;
861: }
862:
863: /* Figure out which command we have */
864: for (i = 0; cmds[i].c; i++) {
865: int cmdlen = strlen(cmds[i].c);
866:
867: /* Check for command followed by whitespace */
868: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
869: strchr(WHITESPACE, cp[cmdlen])) {
870: cp += cmdlen;
871: cp = cp + strspn(cp, WHITESPACE);
872: break;
873: }
874: }
875: cmdnum = cmds[i].n;
876: cmd = cmds[i].c;
877:
878: /* Special case */
879: if (*cp == '!') {
880: cp++;
881: cmdnum = I_SHELL;
882: } else if (cmdnum == -1) {
883: error("Invalid command.");
884: return (-1);
885: }
886:
887: /* Get arguments and parse flags */
888: *lflag = *pflag = *n_arg = 0;
889: *path1 = *path2 = NULL;
890: switch (cmdnum) {
891: case I_GET:
892: case I_PUT:
893: if (parse_getput_flags(&cp, pflag))
894: return(-1);
895: /* Get first pathname (mandatory) */
896: if (get_pathname(&cp, path1))
897: return(-1);
898: if (*path1 == NULL) {
899: error("You must specify at least one path after a "
900: "%s command.", cmd);
901: return(-1);
902: }
903: /* Try to get second pathname (optional) */
904: if (get_pathname(&cp, path2))
905: return(-1);
906: break;
907: case I_RENAME:
908: case I_SYMLINK:
909: if (get_pathname(&cp, path1))
910: return(-1);
911: if (get_pathname(&cp, path2))
912: return(-1);
913: if (!*path1 || !*path2) {
914: error("You must specify two paths after a %s "
915: "command.", cmd);
916: return(-1);
917: }
918: break;
919: case I_RM:
920: case I_MKDIR:
921: case I_RMDIR:
922: case I_CHDIR:
923: case I_LCHDIR:
924: case I_LMKDIR:
925: /* Get pathname (mandatory) */
926: if (get_pathname(&cp, path1))
927: return(-1);
928: if (*path1 == NULL) {
929: error("You must specify a path after a %s command.",
930: cmd);
931: return(-1);
932: }
933: break;
934: case I_LS:
935: if (parse_ls_flags(&cp, lflag))
936: return(-1);
937: /* Path is optional */
938: if (get_pathname(&cp, path1))
939: return(-1);
940: break;
941: case I_LLS:
942: case I_SHELL:
943: /* Uses the rest of the line */
944: break;
945: case I_LUMASK:
946: base = 8;
947: case I_CHMOD:
948: base = 8;
949: case I_CHOWN:
950: case I_CHGRP:
951: /* Get numeric arg (mandatory) */
952: l = strtol(cp, &cp2, base);
953: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
954: errno == ERANGE) || l < 0) {
955: error("You must supply a numeric argument "
956: "to the %s command.", cmd);
957: return(-1);
958: }
959: cp = cp2;
960: *n_arg = l;
961: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
962: break;
963: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
964: error("You must supply a numeric argument "
965: "to the %s command.", cmd);
966: return(-1);
967: }
968: cp += strspn(cp, WHITESPACE);
969:
970: /* Get pathname (mandatory) */
971: if (get_pathname(&cp, path1))
972: return(-1);
973: if (*path1 == NULL) {
974: error("You must specify a path after a %s command.",
975: cmd);
976: return(-1);
977: }
978: break;
979: case I_QUIT:
980: case I_PWD:
981: case I_LPWD:
982: case I_HELP:
983: case I_VERSION:
984: case I_PROGRESS:
985: break;
986: default:
987: fatal("Command not implemented");
988: }
989:
990: *cpp = cp;
991: return(cmdnum);
992: }
993:
994: static int
995: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
996: int err_abort)
997: {
998: char *path1, *path2, *tmp;
999: int pflag, lflag, iflag, cmdnum, i;
1000: unsigned long n_arg;
1001: Attrib a, *aa;
1002: char path_buf[MAXPATHLEN];
1003: int err = 0;
1004: glob_t g;
1005:
1006: path1 = path2 = NULL;
1007: cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
1008: &path1, &path2);
1009:
1010: if (iflag != 0)
1011: err_abort = 0;
1012:
1013: memset(&g, 0, sizeof(g));
1014:
1015: /* Perform command */
1016: switch (cmdnum) {
1017: case 0:
1018: /* Blank line */
1019: break;
1020: case -1:
1021: /* Unrecognized command */
1022: err = -1;
1023: break;
1024: case I_GET:
1025: err = process_get(conn, path1, path2, *pwd, pflag);
1026: break;
1027: case I_PUT:
1028: err = process_put(conn, path1, path2, *pwd, pflag);
1029: break;
1030: case I_RENAME:
1031: path1 = make_absolute(path1, *pwd);
1032: path2 = make_absolute(path2, *pwd);
1033: err = do_rename(conn, path1, path2);
1034: break;
1035: case I_SYMLINK:
1036: path2 = make_absolute(path2, *pwd);
1037: err = do_symlink(conn, path1, path2);
1038: break;
1039: case I_RM:
1040: path1 = make_absolute(path1, *pwd);
1041: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1042: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1043: printf("Removing %s\n", g.gl_pathv[i]);
1044: err = do_rm(conn, g.gl_pathv[i]);
1045: if (err != 0 && err_abort)
1046: break;
1047: }
1048: break;
1049: case I_MKDIR:
1050: path1 = make_absolute(path1, *pwd);
1051: attrib_clear(&a);
1052: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1053: a.perm = 0777;
1054: err = do_mkdir(conn, path1, &a);
1055: break;
1056: case I_RMDIR:
1057: path1 = make_absolute(path1, *pwd);
1058: err = do_rmdir(conn, path1);
1059: break;
1060: case I_CHDIR:
1061: path1 = make_absolute(path1, *pwd);
1062: if ((tmp = do_realpath(conn, path1)) == NULL) {
1063: err = 1;
1064: break;
1065: }
1066: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1067: xfree(tmp);
1068: err = 1;
1069: break;
1070: }
1071: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1072: error("Can't change directory: Can't check target");
1073: xfree(tmp);
1074: err = 1;
1075: break;
1076: }
1077: if (!S_ISDIR(aa->perm)) {
1078: error("Can't change directory: \"%s\" is not "
1079: "a directory", tmp);
1080: xfree(tmp);
1081: err = 1;
1082: break;
1083: }
1084: xfree(*pwd);
1085: *pwd = tmp;
1086: break;
1087: case I_LS:
1088: if (!path1) {
1089: do_globbed_ls(conn, *pwd, *pwd, lflag);
1090: break;
1091: }
1092:
1093: /* Strip pwd off beginning of non-absolute paths */
1094: tmp = NULL;
1095: if (*path1 != '/')
1096: tmp = *pwd;
1097:
1098: path1 = make_absolute(path1, *pwd);
1099: err = do_globbed_ls(conn, path1, tmp, lflag);
1100: break;
1101: case I_LCHDIR:
1102: if (chdir(path1) == -1) {
1103: error("Couldn't change local directory to "
1104: "\"%s\": %s", path1, strerror(errno));
1105: err = 1;
1106: }
1107: break;
1108: case I_LMKDIR:
1109: if (mkdir(path1, 0777) == -1) {
1110: error("Couldn't create local directory "
1111: "\"%s\": %s", path1, strerror(errno));
1112: err = 1;
1113: }
1114: break;
1115: case I_LLS:
1116: local_do_ls(cmd);
1117: break;
1118: case I_SHELL:
1119: local_do_shell(cmd);
1120: break;
1121: case I_LUMASK:
1122: umask(n_arg);
1123: printf("Local umask: %03lo\n", n_arg);
1124: break;
1125: case I_CHMOD:
1126: path1 = make_absolute(path1, *pwd);
1127: attrib_clear(&a);
1128: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1129: a.perm = n_arg;
1130: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1131: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1132: printf("Changing mode on %s\n", g.gl_pathv[i]);
1133: err = do_setstat(conn, g.gl_pathv[i], &a);
1134: if (err != 0 && err_abort)
1135: break;
1136: }
1137: break;
1138: case I_CHOWN:
1139: case I_CHGRP:
1140: path1 = make_absolute(path1, *pwd);
1141: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1142: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1143: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1144: if (err != 0 && err_abort)
1145: break;
1146: else
1147: continue;
1148: }
1149: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1150: error("Can't get current ownership of "
1151: "remote file \"%s\"", g.gl_pathv[i]);
1152: if (err != 0 && err_abort)
1153: break;
1154: else
1155: continue;
1156: }
1157: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1158: if (cmdnum == I_CHOWN) {
1159: printf("Changing owner on %s\n", g.gl_pathv[i]);
1160: aa->uid = n_arg;
1161: } else {
1162: printf("Changing group on %s\n", g.gl_pathv[i]);
1163: aa->gid = n_arg;
1164: }
1165: err = do_setstat(conn, g.gl_pathv[i], aa);
1166: if (err != 0 && err_abort)
1167: break;
1168: }
1169: break;
1170: case I_PWD:
1171: printf("Remote working directory: %s\n", *pwd);
1172: break;
1173: case I_LPWD:
1174: if (!getcwd(path_buf, sizeof(path_buf))) {
1175: error("Couldn't get local cwd: %s", strerror(errno));
1176: err = -1;
1177: break;
1178: }
1179: printf("Local working directory: %s\n", path_buf);
1180: break;
1181: case I_QUIT:
1182: /* Processed below */
1183: break;
1184: case I_HELP:
1185: help();
1186: break;
1187: case I_VERSION:
1188: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1189: break;
1190: case I_PROGRESS:
1191: showprogress = !showprogress;
1192: if (showprogress)
1193: printf("Progress meter enabled\n");
1194: else
1195: printf("Progress meter disabled\n");
1196: break;
1197: default:
1198: fatal("%d is not implemented", cmdnum);
1199: }
1200:
1201: if (g.gl_pathc)
1202: globfree(&g);
1203: if (path1)
1204: xfree(path1);
1205: if (path2)
1206: xfree(path2);
1207:
1208: /* If an unignored error occurs in batch mode we should abort. */
1209: if (err_abort && err != 0)
1210: return (-1);
1211: else if (cmdnum == I_QUIT)
1212: return (1);
1213:
1214: return (0);
1215: }
1216:
1.57 djm 1217: static char *
1218: prompt(EditLine *el)
1219: {
1220: return ("sftp> ");
1221: }
1222:
1.44 djm 1223: int
1224: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1225: {
1226: char *pwd;
1227: char *dir = NULL;
1228: char cmd[2048];
1229: struct sftp_conn *conn;
1230: int err;
1.57 djm 1231: EditLine *el = NULL;
1232: History *hl = NULL;
1233: HistEvent hev;
1234: extern char *__progname;
1235:
1236: if (!batchmode && isatty(STDIN_FILENO)) {
1237: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1238: fatal("Couldn't initialise editline");
1239: if ((hl = history_init()) == NULL)
1240: fatal("Couldn't initialise editline history");
1241: history(hl, &hev, H_SETSIZE, 100);
1242: el_set(el, EL_HIST, history, hl);
1243:
1244: el_set(el, EL_PROMPT, prompt);
1245: el_set(el, EL_EDITOR, "emacs");
1246: el_set(el, EL_TERMINAL, NULL);
1247: el_set(el, EL_SIGNAL, 1);
1248: el_source(el, NULL);
1249: }
1.44 djm 1250:
1251: conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
1252: if (conn == NULL)
1253: fatal("Couldn't initialise connection to server");
1254:
1255: pwd = do_realpath(conn, ".");
1256: if (pwd == NULL)
1257: fatal("Need cwd");
1258:
1259: if (file1 != NULL) {
1260: dir = xstrdup(file1);
1261: dir = make_absolute(dir, pwd);
1262:
1263: if (remote_is_dir(conn, dir) && file2 == NULL) {
1264: printf("Changing to: %s\n", dir);
1265: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.58 markus 1266: if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
1267: xfree(dir);
1268: xfree(pwd);
1.44 djm 1269: return (-1);
1.58 markus 1270: }
1.44 djm 1271: } else {
1272: if (file2 == NULL)
1273: snprintf(cmd, sizeof cmd, "get %s", dir);
1274: else
1275: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1276: file2);
1277:
1278: err = parse_dispatch_command(conn, cmd, &pwd, 1);
1279: xfree(dir);
1280: xfree(pwd);
1281: return (err);
1282: }
1283: xfree(dir);
1284: }
1285:
1286: setvbuf(stdout, NULL, _IOLBF, 0);
1287: setvbuf(infile, NULL, _IOLBF, 0);
1288:
1289: err = 0;
1290: for (;;) {
1291: char *cp;
1.57 djm 1292: const char *line;
1293: int count = 0;
1.44 djm 1294:
1.46 djm 1295: signal(SIGINT, SIG_IGN);
1296:
1.57 djm 1297: if (el == NULL) {
1298: printf("sftp> ");
1299: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1300: printf("\n");
1301: break;
1302: }
1303: if (batchmode) /* Echo command */
1304: printf("%s", cmd);
1305: } else {
1306: if ((line = el_gets(el, &count)) == NULL || count <= 0)
1307: break;
1308: history(hl, &hev, H_ENTER, line);
1309: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1310: fprintf(stderr, "Error: input line too long\n");
1311: continue;
1312: }
1.44 djm 1313: }
1314:
1315: cp = strrchr(cmd, '\n');
1316: if (cp)
1317: *cp = '\0';
1318:
1.46 djm 1319: /* Handle user interrupts gracefully during commands */
1320: interrupted = 0;
1321: signal(SIGINT, cmd_interrupt);
1322:
1.44 djm 1323: err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1324: if (err != 0)
1325: break;
1326: }
1327: xfree(pwd);
1328:
1329: /* err == 1 signifies normal "quit" exit */
1330: return (err >= 0 ? 0 : -1);
1331: }
1.34 fgsch 1332:
1.18 itojun 1333: static void
1.36 djm 1334: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1335: {
1336: int c_in, c_out;
1.30 deraadt 1337:
1.1 djm 1338: #ifdef USE_PIPES
1339: int pin[2], pout[2];
1.30 deraadt 1340:
1.1 djm 1341: if ((pipe(pin) == -1) || (pipe(pout) == -1))
1342: fatal("pipe: %s", strerror(errno));
1343: *in = pin[0];
1344: *out = pout[1];
1345: c_in = pout[0];
1346: c_out = pin[1];
1347: #else /* USE_PIPES */
1348: int inout[2];
1.30 deraadt 1349:
1.1 djm 1350: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1351: fatal("socketpair: %s", strerror(errno));
1352: *in = *out = inout[0];
1353: c_in = c_out = inout[1];
1354: #endif /* USE_PIPES */
1355:
1.36 djm 1356: if ((sshpid = fork()) == -1)
1.1 djm 1357: fatal("fork: %s", strerror(errno));
1.36 djm 1358: else if (sshpid == 0) {
1.1 djm 1359: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1360: (dup2(c_out, STDOUT_FILENO) == -1)) {
1361: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1362: _exit(1);
1.1 djm 1363: }
1364: close(*in);
1365: close(*out);
1366: close(c_in);
1367: close(c_out);
1.46 djm 1368:
1369: /*
1370: * The underlying ssh is in the same process group, so we must
1.56 deraadt 1371: * ignore SIGINT if we want to gracefully abort commands,
1372: * otherwise the signal will make it to the ssh process and
1.46 djm 1373: * kill it too
1374: */
1375: signal(SIGINT, SIG_IGN);
1.49 dtucker 1376: execvp(path, args);
1.23 djm 1377: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 1378: _exit(1);
1.1 djm 1379: }
1380:
1.36 djm 1381: signal(SIGTERM, killchild);
1382: signal(SIGINT, killchild);
1383: signal(SIGHUP, killchild);
1.1 djm 1384: close(c_in);
1385: close(c_out);
1386: }
1387:
1.18 itojun 1388: static void
1.1 djm 1389: usage(void)
1390: {
1.25 mpech 1391: extern char *__progname;
1.27 markus 1392:
1.19 stevesk 1393: fprintf(stderr,
1.38 jmc 1394: "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1395: " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1396: " [-S program] [-s subsystem | sftp_server] host\n"
1397: " %s [[user@]host[:file [file]]]\n"
1398: " %s [[user@]host[:dir[/]]]\n"
1399: " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
1.1 djm 1400: exit(1);
1401: }
1402:
1.2 stevesk 1403: int
1.1 djm 1404: main(int argc, char **argv)
1405: {
1.33 djm 1406: int in, out, ch, err;
1.48 pedro 1407: char *host, *userhost, *cp, *file2 = NULL;
1.17 mouring 1408: int debug_level = 0, sshver = 2;
1409: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 1410: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.17 mouring 1411: LogLevel ll = SYSLOG_LEVEL_INFO;
1412: arglist args;
1.3 djm 1413: extern int optind;
1414: extern char *optarg;
1.1 djm 1415:
1.17 mouring 1416: args.list = NULL;
1.22 deraadt 1417: addargs(&args, "ssh"); /* overwritten with ssh_program */
1.17 mouring 1418: addargs(&args, "-oForwardX11 no");
1419: addargs(&args, "-oForwardAgent no");
1.21 stevesk 1420: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 1421:
1.17 mouring 1422: ll = SYSLOG_LEVEL_INFO;
1.40 djm 1423: infile = stdin;
1.3 djm 1424:
1.26 djm 1425: while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 1426: switch (ch) {
1427: case 'C':
1.17 mouring 1428: addargs(&args, "-C");
1.3 djm 1429: break;
1430: case 'v':
1.17 mouring 1431: if (debug_level < 3) {
1432: addargs(&args, "-v");
1433: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1434: }
1435: debug_level++;
1.3 djm 1436: break;
1.19 stevesk 1437: case 'F':
1.3 djm 1438: case 'o':
1.19 stevesk 1439: addargs(&args, "-%c%s", ch, optarg);
1.7 markus 1440: break;
1441: case '1':
1.17 mouring 1442: sshver = 1;
1.7 markus 1443: if (sftp_server == NULL)
1444: sftp_server = _PATH_SFTP_SERVER;
1445: break;
1446: case 's':
1447: sftp_server = optarg;
1448: break;
1449: case 'S':
1450: ssh_program = optarg;
1.3 djm 1451: break;
1.10 deraadt 1452: case 'b':
1.39 djm 1453: if (batchmode)
1454: fatal("Batch file already specified.");
1455:
1456: /* Allow "-" as stdin */
1.56 deraadt 1457: if (strcmp(optarg, "-") != 0 &&
1.39 djm 1458: (infile = fopen(optarg, "r")) == NULL)
1459: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 1460: showprogress = 0;
1.39 djm 1461: batchmode = 1;
1.10 deraadt 1462: break;
1.23 djm 1463: case 'P':
1464: sftp_direct = optarg;
1.24 djm 1465: break;
1466: case 'B':
1467: copy_buffer_len = strtol(optarg, &cp, 10);
1468: if (copy_buffer_len == 0 || *cp != '\0')
1469: fatal("Invalid buffer size \"%s\"", optarg);
1.26 djm 1470: break;
1471: case 'R':
1472: num_requests = strtol(optarg, &cp, 10);
1473: if (num_requests == 0 || *cp != '\0')
1.27 markus 1474: fatal("Invalid number of requests \"%s\"",
1.26 djm 1475: optarg);
1.23 djm 1476: break;
1.3 djm 1477: case 'h':
1478: default:
1.1 djm 1479: usage();
1480: }
1481: }
1.45 djm 1482:
1483: if (!isatty(STDERR_FILENO))
1484: showprogress = 0;
1.1 djm 1485:
1.29 markus 1486: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1487:
1.23 djm 1488: if (sftp_direct == NULL) {
1489: if (optind == argc || argc > (optind + 2))
1490: usage();
1491:
1492: userhost = xstrdup(argv[optind]);
1493: file2 = argv[optind+1];
1.1 djm 1494:
1.32 markus 1495: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 1496: host = userhost;
1497: else {
1498: *host++ = '\0';
1499: if (!userhost[0]) {
1500: fprintf(stderr, "Missing username\n");
1501: usage();
1502: }
1503: addargs(&args, "-l%s",userhost);
1.41 djm 1504: }
1505:
1506: if ((cp = colon(host)) != NULL) {
1507: *cp++ = '\0';
1508: file1 = cp;
1.23 djm 1509: }
1.3 djm 1510:
1.23 djm 1511: host = cleanhostname(host);
1512: if (!*host) {
1513: fprintf(stderr, "Missing hostname\n");
1.1 djm 1514: usage();
1515: }
1516:
1.23 djm 1517: addargs(&args, "-oProtocol %d", sshver);
1518:
1519: /* no subsystem if the server-spec contains a '/' */
1520: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1521: addargs(&args, "-s");
1522:
1523: addargs(&args, "%s", host);
1.27 markus 1524: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 1525: sftp_server : "sftp"));
1526: args.list[0] = ssh_program;
1527:
1.39 djm 1528: if (!batchmode)
1529: fprintf(stderr, "Connecting to %s...\n", host);
1.36 djm 1530: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 1531: } else {
1532: args.list = NULL;
1533: addargs(&args, "sftp-server");
1534:
1.39 djm 1535: if (!batchmode)
1536: fprintf(stderr, "Attaching to %s...\n", sftp_direct);
1.36 djm 1537: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 1538: }
1539:
1.33 djm 1540: err = interactive_loop(in, out, file1, file2);
1.1 djm 1541:
1542: close(in);
1543: close(out);
1.39 djm 1544: if (batchmode)
1.10 deraadt 1545: fclose(infile);
1.1 djm 1546:
1.28 markus 1547: while (waitpid(sshpid, NULL, 0) == -1)
1548: if (errno != EINTR)
1549: fatal("Couldn't wait for ssh process: %s",
1550: strerror(errno));
1.1 djm 1551:
1.33 djm 1552: exit(err == 0 ? 0 : 1);
1.1 djm 1553: }