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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:
1.52 ! djm 19: RCSID("$OpenBSD: sftp.c,v 1.51 2004/06/21 17:36:31 avsm Exp $");
1.44 djm 20:
21: #include <glob.h>
1.1 djm 22:
23: #include "buffer.h"
24: #include "xmalloc.h"
25: #include "log.h"
26: #include "pathnames.h"
1.16 mouring 27: #include "misc.h"
1.1 djm 28:
29: #include "sftp.h"
30: #include "sftp-common.h"
31: #include "sftp-client.h"
1.43 djm 32:
1.44 djm 33: /* File to read commands from */
34: FILE* infile;
1.15 mouring 35:
1.44 djm 36: /* Are we in batchfile mode? */
1.39 djm 37: int batchmode = 0;
1.44 djm 38:
39: /* Size of buffer used when copying files */
1.24 djm 40: size_t copy_buffer_len = 32768;
1.44 djm 41:
42: /* Number of concurrent outstanding requests */
1.26 djm 43: size_t num_requests = 16;
1.44 djm 44:
45: /* PID of ssh transport process */
1.36 djm 46: static pid_t sshpid = -1;
1.7 markus 47:
1.44 djm 48: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 49: int showprogress = 1;
1.44 djm 50:
1.46 djm 51: /* SIGINT received during command processing */
52: volatile sig_atomic_t interrupted = 0;
53:
1.52 ! djm 54: /* I wish qsort() took a separate ctx for the comparison function...*/
! 55: int sort_flag;
! 56:
1.44 djm 57: int remote_glob(struct sftp_conn *, const char *, int,
58: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
59:
60: /* Separators for interactive commands */
61: #define WHITESPACE " \t\r\n"
62:
1.52 ! djm 63: /* ls flags */
! 64: #define LONG_VIEW 0x01 /* Full view ala ls -l */
! 65: #define SHORT_VIEW 0x02 /* Single row view ala ls -1 */
! 66: #define NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
! 67: #define NAME_SORT 0x08 /* Sort by name (default) */
! 68: #define TIME_SORT 0x10 /* Sort by mtime */
! 69: #define SIZE_SORT 0x20 /* Sort by file size */
! 70: #define REVERSE_SORT 0x40 /* Reverse sort order */
! 71:
1.50 djm 72: #define VIEW_FLAGS (LONG_VIEW|SHORT_VIEW|NUMERIC_VIEW)
1.52 ! djm 73: #define SORT_FLAGS (NAME_SORT|TIME_SORT|SIZE_SORT)
1.44 djm 74:
75: /* Commands for interactive mode */
76: #define I_CHDIR 1
77: #define I_CHGRP 2
78: #define I_CHMOD 3
79: #define I_CHOWN 4
80: #define I_GET 5
81: #define I_HELP 6
82: #define I_LCHDIR 7
83: #define I_LLS 8
84: #define I_LMKDIR 9
85: #define I_LPWD 10
86: #define I_LS 11
87: #define I_LUMASK 12
88: #define I_MKDIR 13
89: #define I_PUT 14
90: #define I_PWD 15
91: #define I_QUIT 16
92: #define I_RENAME 17
93: #define I_RM 18
94: #define I_RMDIR 19
95: #define I_SHELL 20
96: #define I_SYMLINK 21
97: #define I_VERSION 22
98: #define I_PROGRESS 23
99:
100: struct CMD {
101: const char *c;
102: const int n;
103: };
104:
105: static const struct CMD cmds[] = {
106: { "bye", I_QUIT },
107: { "cd", I_CHDIR },
108: { "chdir", I_CHDIR },
109: { "chgrp", I_CHGRP },
110: { "chmod", I_CHMOD },
111: { "chown", I_CHOWN },
112: { "dir", I_LS },
113: { "exit", I_QUIT },
114: { "get", I_GET },
115: { "mget", I_GET },
116: { "help", I_HELP },
117: { "lcd", I_LCHDIR },
118: { "lchdir", I_LCHDIR },
119: { "lls", I_LLS },
120: { "lmkdir", I_LMKDIR },
121: { "ln", I_SYMLINK },
122: { "lpwd", I_LPWD },
123: { "ls", I_LS },
124: { "lumask", I_LUMASK },
125: { "mkdir", I_MKDIR },
126: { "progress", I_PROGRESS },
127: { "put", I_PUT },
128: { "mput", I_PUT },
129: { "pwd", I_PWD },
130: { "quit", I_QUIT },
131: { "rename", I_RENAME },
132: { "rm", I_RM },
133: { "rmdir", I_RMDIR },
134: { "symlink", I_SYMLINK },
135: { "version", I_VERSION },
136: { "!", I_SHELL },
137: { "?", I_HELP },
138: { NULL, -1}
139: };
140:
141: int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
142:
143: static void
1.46 djm 144: killchild(int signo)
145: {
146: if (sshpid > 1)
147: kill(sshpid, SIGTERM);
148:
149: _exit(1);
150: }
151:
152: static void
153: cmd_interrupt(int signo)
154: {
155: const char msg[] = "\rInterrupt \n";
156:
157: write(STDERR_FILENO, msg, sizeof(msg) - 1);
158: interrupted = 1;
159: }
160:
161: static void
1.44 djm 162: help(void)
163: {
164: printf("Available commands:\n");
165: printf("cd path Change remote directory to 'path'\n");
166: printf("lcd path Change local directory to 'path'\n");
167: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
168: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
169: printf("chown own path Change owner of file 'path' to 'own'\n");
170: printf("help Display this help text\n");
171: printf("get remote-path [local-path] Download file\n");
172: printf("lls [ls-options [path]] Display local directory listing\n");
173: printf("ln oldpath newpath Symlink remote file\n");
174: printf("lmkdir path Create local directory\n");
175: printf("lpwd Print local working directory\n");
176: printf("ls [path] Display remote directory listing\n");
177: printf("lumask umask Set local umask to 'umask'\n");
178: printf("mkdir path Create remote directory\n");
179: printf("progress Toggle display of progress meter\n");
180: printf("put local-path [remote-path] Upload file\n");
181: printf("pwd Display remote working directory\n");
182: printf("exit Quit sftp\n");
183: printf("quit Quit sftp\n");
184: printf("rename oldpath newpath Rename remote file\n");
185: printf("rmdir path Remove remote directory\n");
186: printf("rm path Delete remote file\n");
187: printf("symlink oldpath newpath Symlink remote file\n");
188: printf("version Show SFTP version\n");
189: printf("!command Execute 'command' in local shell\n");
190: printf("! Escape to local shell\n");
191: printf("? Synonym for help\n");
192: }
193:
194: static void
195: local_do_shell(const char *args)
196: {
197: int status;
198: char *shell;
199: pid_t pid;
200:
201: if (!*args)
202: args = NULL;
203:
204: if ((shell = getenv("SHELL")) == NULL)
205: shell = _PATH_BSHELL;
206:
207: if ((pid = fork()) == -1)
208: fatal("Couldn't fork: %s", strerror(errno));
209:
210: if (pid == 0) {
211: /* XXX: child has pipe fds to ssh subproc open - issue? */
212: if (args) {
213: debug3("Executing %s -c \"%s\"", shell, args);
214: execl(shell, shell, "-c", args, (char *)NULL);
215: } else {
216: debug3("Executing %s", shell);
217: execl(shell, shell, (char *)NULL);
218: }
219: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
220: strerror(errno));
221: _exit(1);
222: }
223: while (waitpid(pid, &status, 0) == -1)
224: if (errno != EINTR)
225: fatal("Couldn't wait for child: %s", strerror(errno));
226: if (!WIFEXITED(status))
227: error("Shell exited abormally");
228: else if (WEXITSTATUS(status))
229: error("Shell exited with status %d", WEXITSTATUS(status));
230: }
231:
232: static void
233: local_do_ls(const char *args)
234: {
235: if (!args || !*args)
236: local_do_shell(_PATH_LS);
237: else {
238: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
239: char *buf = xmalloc(len);
240:
241: /* XXX: quoting - rip quoting code from ftp? */
242: snprintf(buf, len, _PATH_LS " %s", args);
243: local_do_shell(buf);
244: xfree(buf);
245: }
246: }
247:
248: /* Strip one path (usually the pwd) from the start of another */
249: static char *
250: path_strip(char *path, char *strip)
251: {
252: size_t len;
253:
254: if (strip == NULL)
255: return (xstrdup(path));
256:
257: len = strlen(strip);
258: if (strip != NULL && strncmp(path, strip, len) == 0) {
259: if (strip[len - 1] != '/' && path[len] == '/')
260: len++;
261: return (xstrdup(path + len));
262: }
263:
264: return (xstrdup(path));
265: }
266:
267: static char *
268: path_append(char *p1, char *p2)
269: {
270: char *ret;
271: int len = strlen(p1) + strlen(p2) + 2;
272:
273: ret = xmalloc(len);
274: strlcpy(ret, p1, len);
275: if (p1[strlen(p1) - 1] != '/')
276: strlcat(ret, "/", len);
277: strlcat(ret, p2, len);
278:
279: return(ret);
280: }
281:
282: static char *
283: make_absolute(char *p, char *pwd)
284: {
1.51 avsm 285: char *abs_str;
1.44 djm 286:
287: /* Derelativise */
288: if (p && p[0] != '/') {
1.51 avsm 289: abs_str = path_append(pwd, p);
1.44 djm 290: xfree(p);
1.51 avsm 291: return(abs_str);
1.44 djm 292: } else
293: return(p);
294: }
295:
296: static int
297: infer_path(const char *p, char **ifp)
298: {
299: char *cp;
300:
301: cp = strrchr(p, '/');
302: if (cp == NULL) {
303: *ifp = xstrdup(p);
304: return(0);
305: }
306:
307: if (!cp[1]) {
308: error("Invalid path");
309: return(-1);
310: }
311:
312: *ifp = xstrdup(cp + 1);
313: return(0);
314: }
315:
316: static int
317: parse_getput_flags(const char **cpp, int *pflag)
318: {
319: const char *cp = *cpp;
320:
321: /* Check for flags */
322: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
323: switch (cp[1]) {
324: case 'p':
325: case 'P':
326: *pflag = 1;
327: break;
328: default:
329: error("Invalid flag -%c", cp[1]);
330: return(-1);
331: }
332: cp += 2;
333: *cpp = cp + strspn(cp, WHITESPACE);
334: }
335:
336: return(0);
337: }
338:
339: static int
340: parse_ls_flags(const char **cpp, int *lflag)
341: {
342: const char *cp = *cpp;
343:
1.52 ! djm 344: /* Defaults */
! 345: *lflag = NAME_SORT;
! 346:
1.44 djm 347: /* Check for flags */
348: if (cp++[0] == '-') {
349: for(; strchr(WHITESPACE, *cp) == NULL; cp++) {
350: switch (*cp) {
351: case 'l':
1.50 djm 352: *lflag &= ~VIEW_FLAGS;
353: *lflag |= LONG_VIEW;
1.44 djm 354: break;
355: case '1':
1.50 djm 356: *lflag &= ~VIEW_FLAGS;
357: *lflag |= SHORT_VIEW;
358: break;
359: case 'n':
360: *lflag &= ~VIEW_FLAGS;
361: *lflag |= NUMERIC_VIEW|LONG_VIEW;
1.44 djm 362: break;
1.52 ! djm 363: case 'S':
! 364: *lflag &= ~SORT_FLAGS;
! 365: *lflag |= SIZE_SORT;
! 366: break;
! 367: case 't':
! 368: *lflag &= ~SORT_FLAGS;
! 369: *lflag |= TIME_SORT;
! 370: break;
! 371: case 'r':
! 372: *lflag |= REVERSE_SORT;
! 373: break;
! 374: case 'f':
! 375: *lflag &= ~SORT_FLAGS;
! 376: break;
1.44 djm 377: default:
378: error("Invalid flag -%c", *cp);
379: return(-1);
380: }
381: }
382: *cpp = cp + strspn(cp, WHITESPACE);
383: }
384:
385: return(0);
386: }
387:
388: static int
389: get_pathname(const char **cpp, char **path)
390: {
391: const char *cp = *cpp, *end;
392: char quot;
393: int i, j;
394:
395: cp += strspn(cp, WHITESPACE);
396: if (!*cp) {
397: *cpp = cp;
398: *path = NULL;
399: return (0);
400: }
401:
402: *path = xmalloc(strlen(cp) + 1);
403:
404: /* Check for quoted filenames */
405: if (*cp == '\"' || *cp == '\'') {
406: quot = *cp++;
407:
408: /* Search for terminating quote, unescape some chars */
409: for (i = j = 0; i <= strlen(cp); i++) {
410: if (cp[i] == quot) { /* Found quote */
411: i++;
412: (*path)[j] = '\0';
413: break;
414: }
415: if (cp[i] == '\0') { /* End of string */
416: error("Unterminated quote");
417: goto fail;
418: }
419: if (cp[i] == '\\') { /* Escaped characters */
420: i++;
421: if (cp[i] != '\'' && cp[i] != '\"' &&
422: cp[i] != '\\') {
423: error("Bad escaped character '\%c'",
424: cp[i]);
425: goto fail;
426: }
427: }
428: (*path)[j++] = cp[i];
429: }
430:
431: if (j == 0) {
432: error("Empty quotes");
433: goto fail;
434: }
435: *cpp = cp + i + strspn(cp + i, WHITESPACE);
436: } else {
437: /* Read to end of filename */
438: end = strpbrk(cp, WHITESPACE);
439: if (end == NULL)
440: end = strchr(cp, '\0');
441: *cpp = end + strspn(end, WHITESPACE);
442:
443: memcpy(*path, cp, end - cp);
444: (*path)[end - cp] = '\0';
445: }
446: return (0);
447:
448: fail:
449: xfree(*path);
450: *path = NULL;
451: return (-1);
452: }
453:
454: static int
455: is_dir(char *path)
456: {
457: struct stat sb;
458:
459: /* XXX: report errors? */
460: if (stat(path, &sb) == -1)
461: return(0);
462:
463: return(sb.st_mode & S_IFDIR);
464: }
465:
466: static int
467: is_reg(char *path)
468: {
469: struct stat sb;
470:
471: if (stat(path, &sb) == -1)
472: fatal("stat %s: %s", path, strerror(errno));
473:
474: return(S_ISREG(sb.st_mode));
475: }
476:
477: static int
478: remote_is_dir(struct sftp_conn *conn, char *path)
479: {
480: Attrib *a;
481:
482: /* XXX: report errors? */
483: if ((a = do_stat(conn, path, 1)) == NULL)
484: return(0);
485: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
486: return(0);
487: return(a->perm & S_IFDIR);
488: }
489:
490: static int
491: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
492: {
493: char *abs_src = NULL;
494: char *abs_dst = NULL;
495: char *tmp;
496: glob_t g;
497: int err = 0;
498: int i;
499:
500: abs_src = xstrdup(src);
501: abs_src = make_absolute(abs_src, pwd);
502:
503: memset(&g, 0, sizeof(g));
504: debug3("Looking up %s", abs_src);
505: if (remote_glob(conn, abs_src, 0, NULL, &g)) {
506: error("File \"%s\" not found.", abs_src);
507: err = -1;
508: goto out;
509: }
510:
511: /* If multiple matches, dst must be a directory or unspecified */
512: if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
513: error("Multiple files match, but \"%s\" is not a directory",
514: dst);
515: err = -1;
516: goto out;
517: }
518:
1.46 djm 519: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 520: if (infer_path(g.gl_pathv[i], &tmp)) {
521: err = -1;
522: goto out;
523: }
524:
525: if (g.gl_matchc == 1 && dst) {
526: /* If directory specified, append filename */
527: if (is_dir(dst)) {
528: if (infer_path(g.gl_pathv[0], &tmp)) {
529: err = 1;
530: goto out;
531: }
532: abs_dst = path_append(dst, tmp);
533: xfree(tmp);
534: } else
535: abs_dst = xstrdup(dst);
536: } else if (dst) {
537: abs_dst = path_append(dst, tmp);
538: xfree(tmp);
539: } else
540: abs_dst = tmp;
541:
542: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
543: if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
544: err = -1;
545: xfree(abs_dst);
546: abs_dst = NULL;
547: }
548:
549: out:
550: xfree(abs_src);
551: if (abs_dst)
552: xfree(abs_dst);
553: globfree(&g);
554: return(err);
555: }
556:
557: static int
558: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
559: {
560: char *tmp_dst = NULL;
561: char *abs_dst = NULL;
562: char *tmp;
563: glob_t g;
564: int err = 0;
565: int i;
566:
567: if (dst) {
568: tmp_dst = xstrdup(dst);
569: tmp_dst = make_absolute(tmp_dst, pwd);
570: }
571:
572: memset(&g, 0, sizeof(g));
573: debug3("Looking up %s", src);
574: if (glob(src, 0, NULL, &g)) {
575: error("File \"%s\" not found.", src);
576: err = -1;
577: goto out;
578: }
579:
580: /* If multiple matches, dst may be directory or unspecified */
581: if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
582: error("Multiple files match, but \"%s\" is not a directory",
583: tmp_dst);
584: err = -1;
585: goto out;
586: }
587:
1.46 djm 588: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 589: if (!is_reg(g.gl_pathv[i])) {
590: error("skipping non-regular file %s",
591: g.gl_pathv[i]);
592: continue;
593: }
594: if (infer_path(g.gl_pathv[i], &tmp)) {
595: err = -1;
596: goto out;
597: }
598:
599: if (g.gl_matchc == 1 && tmp_dst) {
600: /* If directory specified, append filename */
601: if (remote_is_dir(conn, tmp_dst)) {
602: if (infer_path(g.gl_pathv[0], &tmp)) {
603: err = 1;
604: goto out;
605: }
606: abs_dst = path_append(tmp_dst, tmp);
607: xfree(tmp);
608: } else
609: abs_dst = xstrdup(tmp_dst);
610:
611: } else if (tmp_dst) {
612: abs_dst = path_append(tmp_dst, tmp);
613: xfree(tmp);
614: } else
615: abs_dst = make_absolute(tmp, pwd);
616:
617: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
618: if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
619: err = -1;
620: }
621:
622: out:
623: if (abs_dst)
624: xfree(abs_dst);
625: if (tmp_dst)
626: xfree(tmp_dst);
627: globfree(&g);
628: return(err);
629: }
630:
631: static int
632: sdirent_comp(const void *aa, const void *bb)
633: {
634: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
635: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.52 ! djm 636: int rmul = sort_flag & REVERSE_SORT ? -1 : 1;
1.44 djm 637:
1.52 ! djm 638: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
! 639: if (sort_flag & NAME_SORT)
! 640: return (rmul * strcmp(a->filename, b->filename));
! 641: else if (sort_flag & TIME_SORT)
! 642: return (rmul * NCMP(a->a.mtime, b->a.mtime));
! 643: else if (sort_flag & SIZE_SORT)
! 644: return (rmul * NCMP(a->a.size, b->a.size));
! 645:
! 646: fatal("Unknown ls sort type");
1.44 djm 647: }
648:
649: /* sftp ls.1 replacement for directories */
650: static int
651: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
652: {
653: int n, c = 1, colspace = 0, columns = 1;
654: SFTP_DIRENT **d;
655:
656: if ((n = do_readdir(conn, path, &d)) != 0)
657: return (n);
658:
659: if (!(lflag & SHORT_VIEW)) {
660: int m = 0, width = 80;
661: struct winsize ws;
662: char *tmp;
663:
664: /* Count entries for sort and find longest filename */
665: for (n = 0; d[n] != NULL; n++)
666: m = MAX(m, strlen(d[n]->filename));
667:
668: /* Add any subpath that also needs to be counted */
669: tmp = path_strip(path, strip_path);
670: m += strlen(tmp);
671: xfree(tmp);
672:
673: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
674: width = ws.ws_col;
675:
676: columns = width / (m + 2);
677: columns = MAX(columns, 1);
678: colspace = width / columns;
679: colspace = MIN(colspace, width);
680: }
681:
1.52 ! djm 682: if (lflag & SORT_FLAGS) {
! 683: sort_flag = lflag & (SORT_FLAGS|REVERSE_SORT);
! 684: qsort(d, n, sizeof(*d), sdirent_comp);
! 685: }
1.44 djm 686:
1.46 djm 687: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 688: char *tmp, *fname;
689:
690: tmp = path_append(path, d[n]->filename);
691: fname = path_strip(tmp, strip_path);
692: xfree(tmp);
693:
694: if (lflag & LONG_VIEW) {
1.50 djm 695: if (lflag & NUMERIC_VIEW) {
696: char *lname;
697: struct stat sb;
698:
699: memset(&sb, 0, sizeof(sb));
700: attrib_to_stat(&d[n]->a, &sb);
701: lname = ls_file(fname, &sb, 1);
702: printf("%s\n", lname);
703: xfree(lname);
704: } else
705: printf("%s\n", d[n]->longname);
1.44 djm 706: } else {
707: printf("%-*s", colspace, fname);
708: if (c >= columns) {
709: printf("\n");
710: c = 1;
711: } else
712: c++;
713: }
714:
715: xfree(fname);
716: }
717:
718: if (!(lflag & LONG_VIEW) && (c != 1))
719: printf("\n");
720:
721: free_sftp_dirents(d);
722: return (0);
723: }
724:
725: /* sftp ls.1 replacement which handles path globs */
726: static int
727: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
728: int lflag)
729: {
730: glob_t g;
731: int i, c = 1, colspace = 0, columns = 1;
732: Attrib *a;
733:
734: memset(&g, 0, sizeof(g));
735:
736: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
737: NULL, &g)) {
738: error("Can't ls: \"%s\" not found", path);
739: return (-1);
740: }
741:
1.46 djm 742: if (interrupted)
743: goto out;
744:
1.44 djm 745: /*
746: * If the glob returns a single match, which is the same as the
747: * input glob, and it is a directory, then just list its contents
748: */
749: if (g.gl_pathc == 1 &&
750: strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) {
751: if ((a = do_lstat(conn, path, 1)) == NULL) {
752: globfree(&g);
753: return (-1);
754: }
755: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
756: S_ISDIR(a->perm)) {
757: globfree(&g);
758: return (do_ls_dir(conn, path, strip_path, lflag));
759: }
760: }
761:
762: if (!(lflag & SHORT_VIEW)) {
763: int m = 0, width = 80;
764: struct winsize ws;
765:
766: /* Count entries for sort and find longest filename */
767: for (i = 0; g.gl_pathv[i]; i++)
768: m = MAX(m, strlen(g.gl_pathv[i]));
769:
770: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
771: width = ws.ws_col;
772:
773: columns = width / (m + 2);
774: columns = MAX(columns, 1);
775: colspace = width / columns;
776: }
777:
1.46 djm 778: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 779: char *fname;
780:
781: fname = path_strip(g.gl_pathv[i], strip_path);
782:
783: if (lflag & LONG_VIEW) {
784: char *lname;
785: struct stat sb;
786:
787: /*
788: * XXX: this is slow - 1 roundtrip per path
789: * A solution to this is to fork glob() and
790: * build a sftp specific version which keeps the
791: * attribs (which currently get thrown away)
792: * that the server returns as well as the filenames.
793: */
794: memset(&sb, 0, sizeof(sb));
795: a = do_lstat(conn, g.gl_pathv[i], 1);
796: if (a != NULL)
797: attrib_to_stat(a, &sb);
798: lname = ls_file(fname, &sb, 1);
799: printf("%s\n", lname);
800: xfree(lname);
801: } else {
802: printf("%-*s", colspace, fname);
803: if (c >= columns) {
804: printf("\n");
805: c = 1;
806: } else
807: c++;
808: }
809: xfree(fname);
810: }
811:
812: if (!(lflag & LONG_VIEW) && (c != 1))
813: printf("\n");
814:
1.46 djm 815: out:
1.44 djm 816: if (g.gl_pathc)
817: globfree(&g);
818:
819: return (0);
820: }
821:
822: static int
823: parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
824: unsigned long *n_arg, char **path1, char **path2)
825: {
826: const char *cmd, *cp = *cpp;
827: char *cp2;
828: int base = 0;
829: long l;
830: int i, cmdnum;
831:
832: /* Skip leading whitespace */
833: cp = cp + strspn(cp, WHITESPACE);
834:
835: /* Ignore blank lines and lines which begin with comment '#' char */
836: if (*cp == '\0' || *cp == '#')
837: return (0);
838:
839: /* Check for leading '-' (disable error processing) */
840: *iflag = 0;
841: if (*cp == '-') {
842: *iflag = 1;
843: cp++;
844: }
845:
846: /* Figure out which command we have */
847: for (i = 0; cmds[i].c; i++) {
848: int cmdlen = strlen(cmds[i].c);
849:
850: /* Check for command followed by whitespace */
851: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
852: strchr(WHITESPACE, cp[cmdlen])) {
853: cp += cmdlen;
854: cp = cp + strspn(cp, WHITESPACE);
855: break;
856: }
857: }
858: cmdnum = cmds[i].n;
859: cmd = cmds[i].c;
860:
861: /* Special case */
862: if (*cp == '!') {
863: cp++;
864: cmdnum = I_SHELL;
865: } else if (cmdnum == -1) {
866: error("Invalid command.");
867: return (-1);
868: }
869:
870: /* Get arguments and parse flags */
871: *lflag = *pflag = *n_arg = 0;
872: *path1 = *path2 = NULL;
873: switch (cmdnum) {
874: case I_GET:
875: case I_PUT:
876: if (parse_getput_flags(&cp, pflag))
877: return(-1);
878: /* Get first pathname (mandatory) */
879: if (get_pathname(&cp, path1))
880: return(-1);
881: if (*path1 == NULL) {
882: error("You must specify at least one path after a "
883: "%s command.", cmd);
884: return(-1);
885: }
886: /* Try to get second pathname (optional) */
887: if (get_pathname(&cp, path2))
888: return(-1);
889: break;
890: case I_RENAME:
891: case I_SYMLINK:
892: if (get_pathname(&cp, path1))
893: return(-1);
894: if (get_pathname(&cp, path2))
895: return(-1);
896: if (!*path1 || !*path2) {
897: error("You must specify two paths after a %s "
898: "command.", cmd);
899: return(-1);
900: }
901: break;
902: case I_RM:
903: case I_MKDIR:
904: case I_RMDIR:
905: case I_CHDIR:
906: case I_LCHDIR:
907: case I_LMKDIR:
908: /* Get pathname (mandatory) */
909: if (get_pathname(&cp, path1))
910: return(-1);
911: if (*path1 == NULL) {
912: error("You must specify a path after a %s command.",
913: cmd);
914: return(-1);
915: }
916: break;
917: case I_LS:
918: if (parse_ls_flags(&cp, lflag))
919: return(-1);
920: /* Path is optional */
921: if (get_pathname(&cp, path1))
922: return(-1);
923: break;
924: case I_LLS:
925: case I_SHELL:
926: /* Uses the rest of the line */
927: break;
928: case I_LUMASK:
929: base = 8;
930: case I_CHMOD:
931: base = 8;
932: case I_CHOWN:
933: case I_CHGRP:
934: /* Get numeric arg (mandatory) */
935: l = strtol(cp, &cp2, base);
936: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
937: errno == ERANGE) || l < 0) {
938: error("You must supply a numeric argument "
939: "to the %s command.", cmd);
940: return(-1);
941: }
942: cp = cp2;
943: *n_arg = l;
944: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
945: break;
946: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
947: error("You must supply a numeric argument "
948: "to the %s command.", cmd);
949: return(-1);
950: }
951: cp += strspn(cp, WHITESPACE);
952:
953: /* Get pathname (mandatory) */
954: if (get_pathname(&cp, path1))
955: return(-1);
956: if (*path1 == NULL) {
957: error("You must specify a path after a %s command.",
958: cmd);
959: return(-1);
960: }
961: break;
962: case I_QUIT:
963: case I_PWD:
964: case I_LPWD:
965: case I_HELP:
966: case I_VERSION:
967: case I_PROGRESS:
968: break;
969: default:
970: fatal("Command not implemented");
971: }
972:
973: *cpp = cp;
974: return(cmdnum);
975: }
976:
977: static int
978: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
979: int err_abort)
980: {
981: char *path1, *path2, *tmp;
982: int pflag, lflag, iflag, cmdnum, i;
983: unsigned long n_arg;
984: Attrib a, *aa;
985: char path_buf[MAXPATHLEN];
986: int err = 0;
987: glob_t g;
988:
989: path1 = path2 = NULL;
990: cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
991: &path1, &path2);
992:
993: if (iflag != 0)
994: err_abort = 0;
995:
996: memset(&g, 0, sizeof(g));
997:
998: /* Perform command */
999: switch (cmdnum) {
1000: case 0:
1001: /* Blank line */
1002: break;
1003: case -1:
1004: /* Unrecognized command */
1005: err = -1;
1006: break;
1007: case I_GET:
1008: err = process_get(conn, path1, path2, *pwd, pflag);
1009: break;
1010: case I_PUT:
1011: err = process_put(conn, path1, path2, *pwd, pflag);
1012: break;
1013: case I_RENAME:
1014: path1 = make_absolute(path1, *pwd);
1015: path2 = make_absolute(path2, *pwd);
1016: err = do_rename(conn, path1, path2);
1017: break;
1018: case I_SYMLINK:
1019: path2 = make_absolute(path2, *pwd);
1020: err = do_symlink(conn, path1, path2);
1021: break;
1022: case I_RM:
1023: path1 = make_absolute(path1, *pwd);
1024: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1025: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1026: printf("Removing %s\n", g.gl_pathv[i]);
1027: err = do_rm(conn, g.gl_pathv[i]);
1028: if (err != 0 && err_abort)
1029: break;
1030: }
1031: break;
1032: case I_MKDIR:
1033: path1 = make_absolute(path1, *pwd);
1034: attrib_clear(&a);
1035: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1036: a.perm = 0777;
1037: err = do_mkdir(conn, path1, &a);
1038: break;
1039: case I_RMDIR:
1040: path1 = make_absolute(path1, *pwd);
1041: err = do_rmdir(conn, path1);
1042: break;
1043: case I_CHDIR:
1044: path1 = make_absolute(path1, *pwd);
1045: if ((tmp = do_realpath(conn, path1)) == NULL) {
1046: err = 1;
1047: break;
1048: }
1049: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1050: xfree(tmp);
1051: err = 1;
1052: break;
1053: }
1054: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1055: error("Can't change directory: Can't check target");
1056: xfree(tmp);
1057: err = 1;
1058: break;
1059: }
1060: if (!S_ISDIR(aa->perm)) {
1061: error("Can't change directory: \"%s\" is not "
1062: "a directory", tmp);
1063: xfree(tmp);
1064: err = 1;
1065: break;
1066: }
1067: xfree(*pwd);
1068: *pwd = tmp;
1069: break;
1070: case I_LS:
1071: if (!path1) {
1072: do_globbed_ls(conn, *pwd, *pwd, lflag);
1073: break;
1074: }
1075:
1076: /* Strip pwd off beginning of non-absolute paths */
1077: tmp = NULL;
1078: if (*path1 != '/')
1079: tmp = *pwd;
1080:
1081: path1 = make_absolute(path1, *pwd);
1082: err = do_globbed_ls(conn, path1, tmp, lflag);
1083: break;
1084: case I_LCHDIR:
1085: if (chdir(path1) == -1) {
1086: error("Couldn't change local directory to "
1087: "\"%s\": %s", path1, strerror(errno));
1088: err = 1;
1089: }
1090: break;
1091: case I_LMKDIR:
1092: if (mkdir(path1, 0777) == -1) {
1093: error("Couldn't create local directory "
1094: "\"%s\": %s", path1, strerror(errno));
1095: err = 1;
1096: }
1097: break;
1098: case I_LLS:
1099: local_do_ls(cmd);
1100: break;
1101: case I_SHELL:
1102: local_do_shell(cmd);
1103: break;
1104: case I_LUMASK:
1105: umask(n_arg);
1106: printf("Local umask: %03lo\n", n_arg);
1107: break;
1108: case I_CHMOD:
1109: path1 = make_absolute(path1, *pwd);
1110: attrib_clear(&a);
1111: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1112: a.perm = n_arg;
1113: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1114: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1115: printf("Changing mode on %s\n", g.gl_pathv[i]);
1116: err = do_setstat(conn, g.gl_pathv[i], &a);
1117: if (err != 0 && err_abort)
1118: break;
1119: }
1120: break;
1121: case I_CHOWN:
1122: case I_CHGRP:
1123: path1 = make_absolute(path1, *pwd);
1124: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1125: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1126: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1127: if (err != 0 && err_abort)
1128: break;
1129: else
1130: continue;
1131: }
1132: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1133: error("Can't get current ownership of "
1134: "remote file \"%s\"", g.gl_pathv[i]);
1135: if (err != 0 && err_abort)
1136: break;
1137: else
1138: continue;
1139: }
1140: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1141: if (cmdnum == I_CHOWN) {
1142: printf("Changing owner on %s\n", g.gl_pathv[i]);
1143: aa->uid = n_arg;
1144: } else {
1145: printf("Changing group on %s\n", g.gl_pathv[i]);
1146: aa->gid = n_arg;
1147: }
1148: err = do_setstat(conn, g.gl_pathv[i], aa);
1149: if (err != 0 && err_abort)
1150: break;
1151: }
1152: break;
1153: case I_PWD:
1154: printf("Remote working directory: %s\n", *pwd);
1155: break;
1156: case I_LPWD:
1157: if (!getcwd(path_buf, sizeof(path_buf))) {
1158: error("Couldn't get local cwd: %s", strerror(errno));
1159: err = -1;
1160: break;
1161: }
1162: printf("Local working directory: %s\n", path_buf);
1163: break;
1164: case I_QUIT:
1165: /* Processed below */
1166: break;
1167: case I_HELP:
1168: help();
1169: break;
1170: case I_VERSION:
1171: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1172: break;
1173: case I_PROGRESS:
1174: showprogress = !showprogress;
1175: if (showprogress)
1176: printf("Progress meter enabled\n");
1177: else
1178: printf("Progress meter disabled\n");
1179: break;
1180: default:
1181: fatal("%d is not implemented", cmdnum);
1182: }
1183:
1184: if (g.gl_pathc)
1185: globfree(&g);
1186: if (path1)
1187: xfree(path1);
1188: if (path2)
1189: xfree(path2);
1190:
1191: /* If an unignored error occurs in batch mode we should abort. */
1192: if (err_abort && err != 0)
1193: return (-1);
1194: else if (cmdnum == I_QUIT)
1195: return (1);
1196:
1197: return (0);
1198: }
1199:
1200: int
1201: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1202: {
1203: char *pwd;
1204: char *dir = NULL;
1205: char cmd[2048];
1206: struct sftp_conn *conn;
1207: int err;
1208:
1209: conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
1210: if (conn == NULL)
1211: fatal("Couldn't initialise connection to server");
1212:
1213: pwd = do_realpath(conn, ".");
1214: if (pwd == NULL)
1215: fatal("Need cwd");
1216:
1217: if (file1 != NULL) {
1218: dir = xstrdup(file1);
1219: dir = make_absolute(dir, pwd);
1220:
1221: if (remote_is_dir(conn, dir) && file2 == NULL) {
1222: printf("Changing to: %s\n", dir);
1223: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1224: if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0)
1225: return (-1);
1226: } else {
1227: if (file2 == NULL)
1228: snprintf(cmd, sizeof cmd, "get %s", dir);
1229: else
1230: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1231: file2);
1232:
1233: err = parse_dispatch_command(conn, cmd, &pwd, 1);
1234: xfree(dir);
1235: xfree(pwd);
1236: return (err);
1237: }
1238: xfree(dir);
1239: }
1240:
1241: setvbuf(stdout, NULL, _IOLBF, 0);
1242: setvbuf(infile, NULL, _IOLBF, 0);
1243:
1244: err = 0;
1245: for (;;) {
1246: char *cp;
1247:
1.46 djm 1248: signal(SIGINT, SIG_IGN);
1249:
1.44 djm 1250: printf("sftp> ");
1251:
1252: /* XXX: use libedit */
1253: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1254: printf("\n");
1255: break;
1256: }
1257:
1258: if (batchmode) /* Echo command */
1259: printf("%s", cmd);
1260:
1261: cp = strrchr(cmd, '\n');
1262: if (cp)
1263: *cp = '\0';
1264:
1.46 djm 1265: /* Handle user interrupts gracefully during commands */
1266: interrupted = 0;
1267: signal(SIGINT, cmd_interrupt);
1268:
1.44 djm 1269: err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1270: if (err != 0)
1271: break;
1272: }
1273: xfree(pwd);
1274:
1275: /* err == 1 signifies normal "quit" exit */
1276: return (err >= 0 ? 0 : -1);
1277: }
1.34 fgsch 1278:
1.18 itojun 1279: static void
1.36 djm 1280: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1281: {
1282: int c_in, c_out;
1.30 deraadt 1283:
1.1 djm 1284: #ifdef USE_PIPES
1285: int pin[2], pout[2];
1.30 deraadt 1286:
1.1 djm 1287: if ((pipe(pin) == -1) || (pipe(pout) == -1))
1288: fatal("pipe: %s", strerror(errno));
1289: *in = pin[0];
1290: *out = pout[1];
1291: c_in = pout[0];
1292: c_out = pin[1];
1293: #else /* USE_PIPES */
1294: int inout[2];
1.30 deraadt 1295:
1.1 djm 1296: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1297: fatal("socketpair: %s", strerror(errno));
1298: *in = *out = inout[0];
1299: c_in = c_out = inout[1];
1300: #endif /* USE_PIPES */
1301:
1.36 djm 1302: if ((sshpid = fork()) == -1)
1.1 djm 1303: fatal("fork: %s", strerror(errno));
1.36 djm 1304: else if (sshpid == 0) {
1.1 djm 1305: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1306: (dup2(c_out, STDOUT_FILENO) == -1)) {
1307: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1308: _exit(1);
1.1 djm 1309: }
1310: close(*in);
1311: close(*out);
1312: close(c_in);
1313: close(c_out);
1.46 djm 1314:
1315: /*
1316: * The underlying ssh is in the same process group, so we must
1317: * ignore SIGINT if we want to gracefully abort commands,
1318: * otherwise the signal will make it to the ssh process and
1319: * kill it too
1320: */
1321: signal(SIGINT, SIG_IGN);
1.49 dtucker 1322: execvp(path, args);
1.23 djm 1323: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 1324: _exit(1);
1.1 djm 1325: }
1326:
1.36 djm 1327: signal(SIGTERM, killchild);
1328: signal(SIGINT, killchild);
1329: signal(SIGHUP, killchild);
1.1 djm 1330: close(c_in);
1331: close(c_out);
1332: }
1333:
1.18 itojun 1334: static void
1.1 djm 1335: usage(void)
1336: {
1.25 mpech 1337: extern char *__progname;
1.27 markus 1338:
1.19 stevesk 1339: fprintf(stderr,
1.38 jmc 1340: "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1341: " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1342: " [-S program] [-s subsystem | sftp_server] host\n"
1343: " %s [[user@]host[:file [file]]]\n"
1344: " %s [[user@]host[:dir[/]]]\n"
1345: " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
1.1 djm 1346: exit(1);
1347: }
1348:
1.2 stevesk 1349: int
1.1 djm 1350: main(int argc, char **argv)
1351: {
1.33 djm 1352: int in, out, ch, err;
1.48 pedro 1353: char *host, *userhost, *cp, *file2 = NULL;
1.17 mouring 1354: int debug_level = 0, sshver = 2;
1355: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 1356: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.17 mouring 1357: LogLevel ll = SYSLOG_LEVEL_INFO;
1358: arglist args;
1.3 djm 1359: extern int optind;
1360: extern char *optarg;
1.1 djm 1361:
1.17 mouring 1362: args.list = NULL;
1.22 deraadt 1363: addargs(&args, "ssh"); /* overwritten with ssh_program */
1.17 mouring 1364: addargs(&args, "-oForwardX11 no");
1365: addargs(&args, "-oForwardAgent no");
1.21 stevesk 1366: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 1367:
1.17 mouring 1368: ll = SYSLOG_LEVEL_INFO;
1.40 djm 1369: infile = stdin;
1.3 djm 1370:
1.26 djm 1371: while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 1372: switch (ch) {
1373: case 'C':
1.17 mouring 1374: addargs(&args, "-C");
1.3 djm 1375: break;
1376: case 'v':
1.17 mouring 1377: if (debug_level < 3) {
1378: addargs(&args, "-v");
1379: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1380: }
1381: debug_level++;
1.3 djm 1382: break;
1.19 stevesk 1383: case 'F':
1.3 djm 1384: case 'o':
1.19 stevesk 1385: addargs(&args, "-%c%s", ch, optarg);
1.7 markus 1386: break;
1387: case '1':
1.17 mouring 1388: sshver = 1;
1.7 markus 1389: if (sftp_server == NULL)
1390: sftp_server = _PATH_SFTP_SERVER;
1391: break;
1392: case 's':
1393: sftp_server = optarg;
1394: break;
1395: case 'S':
1396: ssh_program = optarg;
1.3 djm 1397: break;
1.10 deraadt 1398: case 'b':
1.39 djm 1399: if (batchmode)
1400: fatal("Batch file already specified.");
1401:
1402: /* Allow "-" as stdin */
1403: if (strcmp(optarg, "-") != 0 &&
1404: (infile = fopen(optarg, "r")) == NULL)
1405: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 1406: showprogress = 0;
1.39 djm 1407: batchmode = 1;
1.10 deraadt 1408: break;
1.23 djm 1409: case 'P':
1410: sftp_direct = optarg;
1.24 djm 1411: break;
1412: case 'B':
1413: copy_buffer_len = strtol(optarg, &cp, 10);
1414: if (copy_buffer_len == 0 || *cp != '\0')
1415: fatal("Invalid buffer size \"%s\"", optarg);
1.26 djm 1416: break;
1417: case 'R':
1418: num_requests = strtol(optarg, &cp, 10);
1419: if (num_requests == 0 || *cp != '\0')
1.27 markus 1420: fatal("Invalid number of requests \"%s\"",
1.26 djm 1421: optarg);
1.23 djm 1422: break;
1.3 djm 1423: case 'h':
1424: default:
1.1 djm 1425: usage();
1426: }
1427: }
1.45 djm 1428:
1429: if (!isatty(STDERR_FILENO))
1430: showprogress = 0;
1.1 djm 1431:
1.29 markus 1432: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1433:
1.23 djm 1434: if (sftp_direct == NULL) {
1435: if (optind == argc || argc > (optind + 2))
1436: usage();
1437:
1438: userhost = xstrdup(argv[optind]);
1439: file2 = argv[optind+1];
1.1 djm 1440:
1.32 markus 1441: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 1442: host = userhost;
1443: else {
1444: *host++ = '\0';
1445: if (!userhost[0]) {
1446: fprintf(stderr, "Missing username\n");
1447: usage();
1448: }
1449: addargs(&args, "-l%s",userhost);
1.41 djm 1450: }
1451:
1452: if ((cp = colon(host)) != NULL) {
1453: *cp++ = '\0';
1454: file1 = cp;
1.23 djm 1455: }
1.3 djm 1456:
1.23 djm 1457: host = cleanhostname(host);
1458: if (!*host) {
1459: fprintf(stderr, "Missing hostname\n");
1.1 djm 1460: usage();
1461: }
1462:
1.23 djm 1463: addargs(&args, "-oProtocol %d", sshver);
1464:
1465: /* no subsystem if the server-spec contains a '/' */
1466: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1467: addargs(&args, "-s");
1468:
1469: addargs(&args, "%s", host);
1.27 markus 1470: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 1471: sftp_server : "sftp"));
1472: args.list[0] = ssh_program;
1473:
1.39 djm 1474: if (!batchmode)
1475: fprintf(stderr, "Connecting to %s...\n", host);
1.36 djm 1476: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 1477: } else {
1478: args.list = NULL;
1479: addargs(&args, "sftp-server");
1480:
1.39 djm 1481: if (!batchmode)
1482: fprintf(stderr, "Attaching to %s...\n", sftp_direct);
1.36 djm 1483: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 1484: }
1485:
1.33 djm 1486: err = interactive_loop(in, out, file1, file2);
1.1 djm 1487:
1488: close(in);
1489: close(out);
1.39 djm 1490: if (batchmode)
1.10 deraadt 1491: fclose(infile);
1.1 djm 1492:
1.28 markus 1493: while (waitpid(sshpid, NULL, 0) == -1)
1494: if (errno != EINTR)
1495: fatal("Couldn't wait for ssh process: %s",
1496: strerror(errno));
1.1 djm 1497:
1.33 djm 1498: exit(err == 0 ? 0 : 1);
1.1 djm 1499: }