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1.86 ! stevesk 1: /* $OpenBSD: sftp.c,v 1.85 2006/07/11 20:07:25 stevesk Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
18: #include "includes.h"
19:
1.72 stevesk 20: #include <sys/ioctl.h>
1.73 stevesk 21: #include <sys/types.h>
22: #include <sys/wait.h>
1.75 stevesk 23: #include <sys/stat.h>
1.83 stevesk 24: #include <sys/socket.h>
1.44 djm 25:
1.85 stevesk 26: #include <errno.h>
1.44 djm 27: #include <glob.h>
1.57 djm 28: #include <histedit.h>
1.71 stevesk 29: #include <paths.h>
1.74 stevesk 30: #include <signal.h>
1.86 ! stevesk 31: #include <unistd.h>
1.1 djm 32:
33: #include "xmalloc.h"
34: #include "log.h"
35: #include "pathnames.h"
1.16 mouring 36: #include "misc.h"
1.1 djm 37:
38: #include "sftp.h"
39: #include "sftp-common.h"
40: #include "sftp-client.h"
1.43 djm 41:
1.44 djm 42: /* File to read commands from */
43: FILE* infile;
1.15 mouring 44:
1.44 djm 45: /* Are we in batchfile mode? */
1.39 djm 46: int batchmode = 0;
1.44 djm 47:
48: /* Size of buffer used when copying files */
1.24 djm 49: size_t copy_buffer_len = 32768;
1.44 djm 50:
51: /* Number of concurrent outstanding requests */
1.26 djm 52: size_t num_requests = 16;
1.44 djm 53:
54: /* PID of ssh transport process */
1.36 djm 55: static pid_t sshpid = -1;
1.7 markus 56:
1.44 djm 57: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 58: int showprogress = 1;
1.44 djm 59:
1.46 djm 60: /* SIGINT received during command processing */
61: volatile sig_atomic_t interrupted = 0;
62:
1.52 djm 63: /* I wish qsort() took a separate ctx for the comparison function...*/
64: int sort_flag;
65:
1.44 djm 66: int remote_glob(struct sftp_conn *, const char *, int,
67: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
68:
69: /* Separators for interactive commands */
70: #define WHITESPACE " \t\r\n"
71:
1.52 djm 72: /* ls flags */
1.53 djm 73: #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
74: #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
75: #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
76: #define LS_NAME_SORT 0x08 /* Sort by name (default) */
77: #define LS_TIME_SORT 0x10 /* Sort by mtime */
78: #define LS_SIZE_SORT 0x20 /* Sort by file size */
79: #define LS_REVERSE_SORT 0x40 /* Reverse sort order */
1.54 djm 80: #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
1.52 djm 81:
1.53 djm 82: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
83: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 84:
85: /* Commands for interactive mode */
86: #define I_CHDIR 1
87: #define I_CHGRP 2
88: #define I_CHMOD 3
89: #define I_CHOWN 4
90: #define I_GET 5
91: #define I_HELP 6
92: #define I_LCHDIR 7
93: #define I_LLS 8
94: #define I_LMKDIR 9
95: #define I_LPWD 10
96: #define I_LS 11
97: #define I_LUMASK 12
98: #define I_MKDIR 13
99: #define I_PUT 14
100: #define I_PWD 15
101: #define I_QUIT 16
102: #define I_RENAME 17
103: #define I_RM 18
104: #define I_RMDIR 19
105: #define I_SHELL 20
106: #define I_SYMLINK 21
107: #define I_VERSION 22
108: #define I_PROGRESS 23
109:
110: struct CMD {
111: const char *c;
112: const int n;
113: };
114:
115: static const struct CMD cmds[] = {
116: { "bye", I_QUIT },
117: { "cd", I_CHDIR },
118: { "chdir", I_CHDIR },
119: { "chgrp", I_CHGRP },
120: { "chmod", I_CHMOD },
121: { "chown", I_CHOWN },
122: { "dir", I_LS },
123: { "exit", I_QUIT },
124: { "get", I_GET },
125: { "mget", I_GET },
126: { "help", I_HELP },
127: { "lcd", I_LCHDIR },
128: { "lchdir", I_LCHDIR },
129: { "lls", I_LLS },
130: { "lmkdir", I_LMKDIR },
131: { "ln", I_SYMLINK },
132: { "lpwd", I_LPWD },
133: { "ls", I_LS },
134: { "lumask", I_LUMASK },
135: { "mkdir", I_MKDIR },
136: { "progress", I_PROGRESS },
137: { "put", I_PUT },
138: { "mput", I_PUT },
139: { "pwd", I_PWD },
140: { "quit", I_QUIT },
141: { "rename", I_RENAME },
142: { "rm", I_RM },
143: { "rmdir", I_RMDIR },
144: { "symlink", I_SYMLINK },
145: { "version", I_VERSION },
146: { "!", I_SHELL },
147: { "?", I_HELP },
148: { NULL, -1}
149: };
150:
151: int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
152:
153: static void
1.46 djm 154: killchild(int signo)
155: {
1.61 dtucker 156: if (sshpid > 1) {
1.46 djm 157: kill(sshpid, SIGTERM);
1.61 dtucker 158: waitpid(sshpid, NULL, 0);
159: }
1.46 djm 160:
161: _exit(1);
162: }
163:
164: static void
165: cmd_interrupt(int signo)
166: {
167: const char msg[] = "\rInterrupt \n";
1.59 djm 168: int olderrno = errno;
1.46 djm 169:
170: write(STDERR_FILENO, msg, sizeof(msg) - 1);
171: interrupted = 1;
1.59 djm 172: errno = olderrno;
1.46 djm 173: }
174:
175: static void
1.44 djm 176: help(void)
177: {
178: printf("Available commands:\n");
179: printf("cd path Change remote directory to 'path'\n");
180: printf("lcd path Change local directory to 'path'\n");
181: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
182: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
183: printf("chown own path Change owner of file 'path' to 'own'\n");
184: printf("help Display this help text\n");
185: printf("get remote-path [local-path] Download file\n");
186: printf("lls [ls-options [path]] Display local directory listing\n");
187: printf("ln oldpath newpath Symlink remote file\n");
188: printf("lmkdir path Create local directory\n");
189: printf("lpwd Print local working directory\n");
190: printf("ls [path] Display remote directory listing\n");
191: printf("lumask umask Set local umask to 'umask'\n");
192: printf("mkdir path Create remote directory\n");
193: printf("progress Toggle display of progress meter\n");
194: printf("put local-path [remote-path] Upload file\n");
195: printf("pwd Display remote working directory\n");
196: printf("exit Quit sftp\n");
197: printf("quit Quit sftp\n");
198: printf("rename oldpath newpath Rename remote file\n");
199: printf("rmdir path Remove remote directory\n");
200: printf("rm path Delete remote file\n");
201: printf("symlink oldpath newpath Symlink remote file\n");
202: printf("version Show SFTP version\n");
203: printf("!command Execute 'command' in local shell\n");
204: printf("! Escape to local shell\n");
205: printf("? Synonym for help\n");
206: }
207:
208: static void
209: local_do_shell(const char *args)
210: {
211: int status;
212: char *shell;
213: pid_t pid;
214:
215: if (!*args)
216: args = NULL;
217:
218: if ((shell = getenv("SHELL")) == NULL)
219: shell = _PATH_BSHELL;
220:
221: if ((pid = fork()) == -1)
222: fatal("Couldn't fork: %s", strerror(errno));
223:
224: if (pid == 0) {
225: /* XXX: child has pipe fds to ssh subproc open - issue? */
226: if (args) {
227: debug3("Executing %s -c \"%s\"", shell, args);
228: execl(shell, shell, "-c", args, (char *)NULL);
229: } else {
230: debug3("Executing %s", shell);
231: execl(shell, shell, (char *)NULL);
232: }
233: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
234: strerror(errno));
235: _exit(1);
236: }
237: while (waitpid(pid, &status, 0) == -1)
238: if (errno != EINTR)
239: fatal("Couldn't wait for child: %s", strerror(errno));
240: if (!WIFEXITED(status))
1.78 djm 241: error("Shell exited abnormally");
1.44 djm 242: else if (WEXITSTATUS(status))
243: error("Shell exited with status %d", WEXITSTATUS(status));
244: }
245:
246: static void
247: local_do_ls(const char *args)
248: {
249: if (!args || !*args)
250: local_do_shell(_PATH_LS);
251: else {
252: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
253: char *buf = xmalloc(len);
254:
255: /* XXX: quoting - rip quoting code from ftp? */
256: snprintf(buf, len, _PATH_LS " %s", args);
257: local_do_shell(buf);
258: xfree(buf);
259: }
260: }
261:
262: /* Strip one path (usually the pwd) from the start of another */
263: static char *
264: path_strip(char *path, char *strip)
265: {
266: size_t len;
267:
268: if (strip == NULL)
269: return (xstrdup(path));
270:
271: len = strlen(strip);
1.59 djm 272: if (strncmp(path, strip, len) == 0) {
1.44 djm 273: if (strip[len - 1] != '/' && path[len] == '/')
274: len++;
275: return (xstrdup(path + len));
276: }
277:
278: return (xstrdup(path));
279: }
280:
281: static char *
282: path_append(char *p1, char *p2)
283: {
284: char *ret;
285: int len = strlen(p1) + strlen(p2) + 2;
286:
287: ret = xmalloc(len);
288: strlcpy(ret, p1, len);
289: if (p1[strlen(p1) - 1] != '/')
290: strlcat(ret, "/", len);
291: strlcat(ret, p2, len);
292:
293: return(ret);
294: }
295:
296: static char *
297: make_absolute(char *p, char *pwd)
298: {
1.51 avsm 299: char *abs_str;
1.44 djm 300:
301: /* Derelativise */
302: if (p && p[0] != '/') {
1.51 avsm 303: abs_str = path_append(pwd, p);
1.44 djm 304: xfree(p);
1.51 avsm 305: return(abs_str);
1.44 djm 306: } else
307: return(p);
308: }
309:
310: static int
311: infer_path(const char *p, char **ifp)
312: {
313: char *cp;
314:
315: cp = strrchr(p, '/');
316: if (cp == NULL) {
317: *ifp = xstrdup(p);
318: return(0);
319: }
320:
321: if (!cp[1]) {
322: error("Invalid path");
323: return(-1);
324: }
325:
326: *ifp = xstrdup(cp + 1);
327: return(0);
328: }
329:
330: static int
331: parse_getput_flags(const char **cpp, int *pflag)
332: {
333: const char *cp = *cpp;
334:
335: /* Check for flags */
336: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
337: switch (cp[1]) {
338: case 'p':
339: case 'P':
340: *pflag = 1;
341: break;
342: default:
343: error("Invalid flag -%c", cp[1]);
344: return(-1);
345: }
346: cp += 2;
347: *cpp = cp + strspn(cp, WHITESPACE);
348: }
349:
350: return(0);
351: }
352:
353: static int
354: parse_ls_flags(const char **cpp, int *lflag)
355: {
356: const char *cp = *cpp;
357:
1.52 djm 358: /* Defaults */
1.53 djm 359: *lflag = LS_NAME_SORT;
1.52 djm 360:
1.44 djm 361: /* Check for flags */
362: if (cp++[0] == '-') {
1.63 deraadt 363: for (; strchr(WHITESPACE, *cp) == NULL; cp++) {
1.44 djm 364: switch (*cp) {
365: case 'l':
1.50 djm 366: *lflag &= ~VIEW_FLAGS;
1.53 djm 367: *lflag |= LS_LONG_VIEW;
1.44 djm 368: break;
369: case '1':
1.50 djm 370: *lflag &= ~VIEW_FLAGS;
1.53 djm 371: *lflag |= LS_SHORT_VIEW;
1.50 djm 372: break;
373: case 'n':
374: *lflag &= ~VIEW_FLAGS;
1.53 djm 375: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
1.44 djm 376: break;
1.52 djm 377: case 'S':
378: *lflag &= ~SORT_FLAGS;
1.53 djm 379: *lflag |= LS_SIZE_SORT;
1.52 djm 380: break;
381: case 't':
382: *lflag &= ~SORT_FLAGS;
1.53 djm 383: *lflag |= LS_TIME_SORT;
1.52 djm 384: break;
385: case 'r':
1.53 djm 386: *lflag |= LS_REVERSE_SORT;
1.52 djm 387: break;
388: case 'f':
389: *lflag &= ~SORT_FLAGS;
390: break;
1.54 djm 391: case 'a':
392: *lflag |= LS_SHOW_ALL;
393: break;
1.44 djm 394: default:
395: error("Invalid flag -%c", *cp);
396: return(-1);
397: }
398: }
399: *cpp = cp + strspn(cp, WHITESPACE);
400: }
401:
402: return(0);
403: }
404:
405: static int
406: get_pathname(const char **cpp, char **path)
407: {
408: const char *cp = *cpp, *end;
409: char quot;
1.64 djm 410: u_int i, j;
1.44 djm 411:
412: cp += strspn(cp, WHITESPACE);
413: if (!*cp) {
414: *cpp = cp;
415: *path = NULL;
416: return (0);
417: }
418:
419: *path = xmalloc(strlen(cp) + 1);
420:
421: /* Check for quoted filenames */
422: if (*cp == '\"' || *cp == '\'') {
423: quot = *cp++;
424:
425: /* Search for terminating quote, unescape some chars */
426: for (i = j = 0; i <= strlen(cp); i++) {
427: if (cp[i] == quot) { /* Found quote */
428: i++;
429: (*path)[j] = '\0';
430: break;
431: }
432: if (cp[i] == '\0') { /* End of string */
433: error("Unterminated quote");
434: goto fail;
435: }
436: if (cp[i] == '\\') { /* Escaped characters */
437: i++;
438: if (cp[i] != '\'' && cp[i] != '\"' &&
439: cp[i] != '\\') {
1.55 djm 440: error("Bad escaped character '\\%c'",
1.44 djm 441: cp[i]);
442: goto fail;
443: }
444: }
445: (*path)[j++] = cp[i];
446: }
447:
448: if (j == 0) {
449: error("Empty quotes");
450: goto fail;
451: }
452: *cpp = cp + i + strspn(cp + i, WHITESPACE);
453: } else {
454: /* Read to end of filename */
455: end = strpbrk(cp, WHITESPACE);
456: if (end == NULL)
457: end = strchr(cp, '\0');
458: *cpp = end + strspn(end, WHITESPACE);
459:
460: memcpy(*path, cp, end - cp);
461: (*path)[end - cp] = '\0';
462: }
463: return (0);
464:
465: fail:
466: xfree(*path);
467: *path = NULL;
468: return (-1);
469: }
470:
471: static int
472: is_dir(char *path)
473: {
474: struct stat sb;
475:
476: /* XXX: report errors? */
477: if (stat(path, &sb) == -1)
478: return(0);
479:
480: return(sb.st_mode & S_IFDIR);
481: }
482:
483: static int
484: is_reg(char *path)
485: {
486: struct stat sb;
487:
488: if (stat(path, &sb) == -1)
489: fatal("stat %s: %s", path, strerror(errno));
490:
491: return(S_ISREG(sb.st_mode));
492: }
493:
494: static int
495: remote_is_dir(struct sftp_conn *conn, char *path)
496: {
497: Attrib *a;
498:
499: /* XXX: report errors? */
500: if ((a = do_stat(conn, path, 1)) == NULL)
501: return(0);
502: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
503: return(0);
504: return(a->perm & S_IFDIR);
505: }
506:
507: static int
508: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
509: {
510: char *abs_src = NULL;
511: char *abs_dst = NULL;
512: char *tmp;
513: glob_t g;
514: int err = 0;
515: int i;
516:
517: abs_src = xstrdup(src);
518: abs_src = make_absolute(abs_src, pwd);
519:
520: memset(&g, 0, sizeof(g));
521: debug3("Looking up %s", abs_src);
522: if (remote_glob(conn, abs_src, 0, NULL, &g)) {
523: error("File \"%s\" not found.", abs_src);
524: err = -1;
525: goto out;
526: }
527:
528: /* If multiple matches, dst must be a directory or unspecified */
529: if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
530: error("Multiple files match, but \"%s\" is not a directory",
531: dst);
532: err = -1;
533: goto out;
534: }
535:
1.46 djm 536: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 537: if (infer_path(g.gl_pathv[i], &tmp)) {
538: err = -1;
539: goto out;
540: }
541:
542: if (g.gl_matchc == 1 && dst) {
543: /* If directory specified, append filename */
1.82 markus 544: xfree(tmp);
1.44 djm 545: if (is_dir(dst)) {
546: if (infer_path(g.gl_pathv[0], &tmp)) {
547: err = 1;
548: goto out;
549: }
550: abs_dst = path_append(dst, tmp);
551: xfree(tmp);
552: } else
553: abs_dst = xstrdup(dst);
554: } else if (dst) {
555: abs_dst = path_append(dst, tmp);
556: xfree(tmp);
557: } else
558: abs_dst = tmp;
559:
560: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
561: if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
562: err = -1;
563: xfree(abs_dst);
564: abs_dst = NULL;
565: }
566:
567: out:
568: xfree(abs_src);
569: globfree(&g);
570: return(err);
571: }
572:
573: static int
574: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
575: {
576: char *tmp_dst = NULL;
577: char *abs_dst = NULL;
578: char *tmp;
579: glob_t g;
580: int err = 0;
581: int i;
582:
583: if (dst) {
584: tmp_dst = xstrdup(dst);
585: tmp_dst = make_absolute(tmp_dst, pwd);
586: }
587:
588: memset(&g, 0, sizeof(g));
589: debug3("Looking up %s", src);
590: if (glob(src, 0, NULL, &g)) {
591: error("File \"%s\" not found.", src);
592: err = -1;
593: goto out;
594: }
595:
596: /* If multiple matches, dst may be directory or unspecified */
597: if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
598: error("Multiple files match, but \"%s\" is not a directory",
599: tmp_dst);
600: err = -1;
601: goto out;
602: }
603:
1.46 djm 604: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 605: if (!is_reg(g.gl_pathv[i])) {
606: error("skipping non-regular file %s",
607: g.gl_pathv[i]);
608: continue;
609: }
610: if (infer_path(g.gl_pathv[i], &tmp)) {
611: err = -1;
612: goto out;
613: }
614:
615: if (g.gl_matchc == 1 && tmp_dst) {
616: /* If directory specified, append filename */
617: if (remote_is_dir(conn, tmp_dst)) {
618: if (infer_path(g.gl_pathv[0], &tmp)) {
619: err = 1;
620: goto out;
621: }
622: abs_dst = path_append(tmp_dst, tmp);
623: xfree(tmp);
624: } else
625: abs_dst = xstrdup(tmp_dst);
626:
627: } else if (tmp_dst) {
628: abs_dst = path_append(tmp_dst, tmp);
629: xfree(tmp);
630: } else
631: abs_dst = make_absolute(tmp, pwd);
632:
633: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
634: if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
635: err = -1;
636: }
637:
638: out:
639: if (abs_dst)
640: xfree(abs_dst);
641: if (tmp_dst)
642: xfree(tmp_dst);
643: globfree(&g);
644: return(err);
645: }
646:
647: static int
648: sdirent_comp(const void *aa, const void *bb)
649: {
650: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
651: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 652: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 653:
1.52 djm 654: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 655: if (sort_flag & LS_NAME_SORT)
1.52 djm 656: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 657: else if (sort_flag & LS_TIME_SORT)
1.52 djm 658: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 659: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 660: return (rmul * NCMP(a->a.size, b->a.size));
661:
662: fatal("Unknown ls sort type");
1.44 djm 663: }
664:
665: /* sftp ls.1 replacement for directories */
666: static int
667: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
668: {
1.64 djm 669: int n;
670: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 671: SFTP_DIRENT **d;
672:
673: if ((n = do_readdir(conn, path, &d)) != 0)
674: return (n);
675:
1.53 djm 676: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 677: u_int m = 0, width = 80;
1.44 djm 678: struct winsize ws;
679: char *tmp;
680:
681: /* Count entries for sort and find longest filename */
1.54 djm 682: for (n = 0; d[n] != NULL; n++) {
683: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
684: m = MAX(m, strlen(d[n]->filename));
685: }
1.44 djm 686:
687: /* Add any subpath that also needs to be counted */
688: tmp = path_strip(path, strip_path);
689: m += strlen(tmp);
690: xfree(tmp);
691:
692: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
693: width = ws.ws_col;
694:
695: columns = width / (m + 2);
696: columns = MAX(columns, 1);
697: colspace = width / columns;
698: colspace = MIN(colspace, width);
699: }
700:
1.52 djm 701: if (lflag & SORT_FLAGS) {
1.68 dtucker 702: for (n = 0; d[n] != NULL; n++)
703: ; /* count entries */
1.53 djm 704: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 705: qsort(d, n, sizeof(*d), sdirent_comp);
706: }
1.44 djm 707:
1.46 djm 708: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 709: char *tmp, *fname;
1.54 djm 710:
711: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
712: continue;
1.44 djm 713:
714: tmp = path_append(path, d[n]->filename);
715: fname = path_strip(tmp, strip_path);
716: xfree(tmp);
717:
1.53 djm 718: if (lflag & LS_LONG_VIEW) {
719: if (lflag & LS_NUMERIC_VIEW) {
1.50 djm 720: char *lname;
721: struct stat sb;
722:
723: memset(&sb, 0, sizeof(sb));
724: attrib_to_stat(&d[n]->a, &sb);
725: lname = ls_file(fname, &sb, 1);
726: printf("%s\n", lname);
727: xfree(lname);
728: } else
729: printf("%s\n", d[n]->longname);
1.44 djm 730: } else {
731: printf("%-*s", colspace, fname);
732: if (c >= columns) {
733: printf("\n");
734: c = 1;
735: } else
736: c++;
737: }
738:
739: xfree(fname);
740: }
741:
1.53 djm 742: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 743: printf("\n");
744:
745: free_sftp_dirents(d);
746: return (0);
747: }
748:
749: /* sftp ls.1 replacement which handles path globs */
750: static int
751: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
752: int lflag)
753: {
754: glob_t g;
1.64 djm 755: u_int i, c = 1, colspace = 0, columns = 1;
1.60 fgsch 756: Attrib *a = NULL;
1.44 djm 757:
758: memset(&g, 0, sizeof(g));
759:
760: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
1.60 fgsch 761: NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
762: if (g.gl_pathc)
763: globfree(&g);
1.44 djm 764: error("Can't ls: \"%s\" not found", path);
765: return (-1);
766: }
767:
1.46 djm 768: if (interrupted)
769: goto out;
770:
1.44 djm 771: /*
1.60 fgsch 772: * If the glob returns a single match and it is a directory,
773: * then just list its contents.
1.44 djm 774: */
1.60 fgsch 775: if (g.gl_matchc == 1) {
776: if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
1.44 djm 777: globfree(&g);
778: return (-1);
779: }
780: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
781: S_ISDIR(a->perm)) {
1.60 fgsch 782: int err;
783:
784: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
1.44 djm 785: globfree(&g);
1.60 fgsch 786: return (err);
1.44 djm 787: }
788: }
789:
1.53 djm 790: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 791: u_int m = 0, width = 80;
1.44 djm 792: struct winsize ws;
793:
794: /* Count entries for sort and find longest filename */
795: for (i = 0; g.gl_pathv[i]; i++)
796: m = MAX(m, strlen(g.gl_pathv[i]));
797:
798: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
799: width = ws.ws_col;
800:
801: columns = width / (m + 2);
802: columns = MAX(columns, 1);
803: colspace = width / columns;
804: }
805:
1.60 fgsch 806: for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
1.44 djm 807: char *fname;
808:
809: fname = path_strip(g.gl_pathv[i], strip_path);
810:
1.53 djm 811: if (lflag & LS_LONG_VIEW) {
1.44 djm 812: char *lname;
813: struct stat sb;
814:
815: /*
816: * XXX: this is slow - 1 roundtrip per path
817: * A solution to this is to fork glob() and
818: * build a sftp specific version which keeps the
819: * attribs (which currently get thrown away)
820: * that the server returns as well as the filenames.
821: */
822: memset(&sb, 0, sizeof(sb));
1.60 fgsch 823: if (a == NULL)
824: a = do_lstat(conn, g.gl_pathv[i], 1);
1.44 djm 825: if (a != NULL)
826: attrib_to_stat(a, &sb);
827: lname = ls_file(fname, &sb, 1);
828: printf("%s\n", lname);
829: xfree(lname);
830: } else {
831: printf("%-*s", colspace, fname);
832: if (c >= columns) {
833: printf("\n");
834: c = 1;
835: } else
836: c++;
837: }
838: xfree(fname);
839: }
840:
1.53 djm 841: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 842: printf("\n");
843:
1.46 djm 844: out:
1.44 djm 845: if (g.gl_pathc)
846: globfree(&g);
847:
848: return (0);
849: }
850:
851: static int
852: parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
853: unsigned long *n_arg, char **path1, char **path2)
854: {
855: const char *cmd, *cp = *cpp;
856: char *cp2;
857: int base = 0;
858: long l;
859: int i, cmdnum;
860:
861: /* Skip leading whitespace */
862: cp = cp + strspn(cp, WHITESPACE);
863:
864: /* Ignore blank lines and lines which begin with comment '#' char */
865: if (*cp == '\0' || *cp == '#')
866: return (0);
867:
868: /* Check for leading '-' (disable error processing) */
869: *iflag = 0;
870: if (*cp == '-') {
871: *iflag = 1;
872: cp++;
873: }
874:
875: /* Figure out which command we have */
876: for (i = 0; cmds[i].c; i++) {
877: int cmdlen = strlen(cmds[i].c);
878:
879: /* Check for command followed by whitespace */
880: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
881: strchr(WHITESPACE, cp[cmdlen])) {
882: cp += cmdlen;
883: cp = cp + strspn(cp, WHITESPACE);
884: break;
885: }
886: }
887: cmdnum = cmds[i].n;
888: cmd = cmds[i].c;
889:
890: /* Special case */
891: if (*cp == '!') {
892: cp++;
893: cmdnum = I_SHELL;
894: } else if (cmdnum == -1) {
895: error("Invalid command.");
896: return (-1);
897: }
898:
899: /* Get arguments and parse flags */
900: *lflag = *pflag = *n_arg = 0;
901: *path1 = *path2 = NULL;
902: switch (cmdnum) {
903: case I_GET:
904: case I_PUT:
905: if (parse_getput_flags(&cp, pflag))
906: return(-1);
907: /* Get first pathname (mandatory) */
908: if (get_pathname(&cp, path1))
909: return(-1);
910: if (*path1 == NULL) {
911: error("You must specify at least one path after a "
912: "%s command.", cmd);
913: return(-1);
914: }
915: /* Try to get second pathname (optional) */
916: if (get_pathname(&cp, path2))
917: return(-1);
918: break;
919: case I_RENAME:
920: case I_SYMLINK:
921: if (get_pathname(&cp, path1))
922: return(-1);
923: if (get_pathname(&cp, path2))
924: return(-1);
925: if (!*path1 || !*path2) {
926: error("You must specify two paths after a %s "
927: "command.", cmd);
928: return(-1);
929: }
930: break;
931: case I_RM:
932: case I_MKDIR:
933: case I_RMDIR:
934: case I_CHDIR:
935: case I_LCHDIR:
936: case I_LMKDIR:
937: /* Get pathname (mandatory) */
938: if (get_pathname(&cp, path1))
939: return(-1);
940: if (*path1 == NULL) {
941: error("You must specify a path after a %s command.",
942: cmd);
943: return(-1);
944: }
945: break;
946: case I_LS:
947: if (parse_ls_flags(&cp, lflag))
948: return(-1);
949: /* Path is optional */
950: if (get_pathname(&cp, path1))
951: return(-1);
952: break;
953: case I_LLS:
954: case I_SHELL:
955: /* Uses the rest of the line */
956: break;
957: case I_LUMASK:
958: base = 8;
959: case I_CHMOD:
960: base = 8;
961: case I_CHOWN:
962: case I_CHGRP:
963: /* Get numeric arg (mandatory) */
964: l = strtol(cp, &cp2, base);
965: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
966: errno == ERANGE) || l < 0) {
967: error("You must supply a numeric argument "
968: "to the %s command.", cmd);
969: return(-1);
970: }
971: cp = cp2;
972: *n_arg = l;
973: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
974: break;
975: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
976: error("You must supply a numeric argument "
977: "to the %s command.", cmd);
978: return(-1);
979: }
980: cp += strspn(cp, WHITESPACE);
981:
982: /* Get pathname (mandatory) */
983: if (get_pathname(&cp, path1))
984: return(-1);
985: if (*path1 == NULL) {
986: error("You must specify a path after a %s command.",
987: cmd);
988: return(-1);
989: }
990: break;
991: case I_QUIT:
992: case I_PWD:
993: case I_LPWD:
994: case I_HELP:
995: case I_VERSION:
996: case I_PROGRESS:
997: break;
998: default:
999: fatal("Command not implemented");
1000: }
1001:
1002: *cpp = cp;
1003: return(cmdnum);
1004: }
1005:
1006: static int
1007: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1008: int err_abort)
1009: {
1010: char *path1, *path2, *tmp;
1011: int pflag, lflag, iflag, cmdnum, i;
1012: unsigned long n_arg;
1013: Attrib a, *aa;
1014: char path_buf[MAXPATHLEN];
1015: int err = 0;
1016: glob_t g;
1017:
1018: path1 = path2 = NULL;
1019: cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
1020: &path1, &path2);
1021:
1022: if (iflag != 0)
1023: err_abort = 0;
1024:
1025: memset(&g, 0, sizeof(g));
1026:
1027: /* Perform command */
1028: switch (cmdnum) {
1029: case 0:
1030: /* Blank line */
1031: break;
1032: case -1:
1033: /* Unrecognized command */
1034: err = -1;
1035: break;
1036: case I_GET:
1037: err = process_get(conn, path1, path2, *pwd, pflag);
1038: break;
1039: case I_PUT:
1040: err = process_put(conn, path1, path2, *pwd, pflag);
1041: break;
1042: case I_RENAME:
1043: path1 = make_absolute(path1, *pwd);
1044: path2 = make_absolute(path2, *pwd);
1045: err = do_rename(conn, path1, path2);
1046: break;
1047: case I_SYMLINK:
1048: path2 = make_absolute(path2, *pwd);
1049: err = do_symlink(conn, path1, path2);
1050: break;
1051: case I_RM:
1052: path1 = make_absolute(path1, *pwd);
1053: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1054: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1055: printf("Removing %s\n", g.gl_pathv[i]);
1056: err = do_rm(conn, g.gl_pathv[i]);
1057: if (err != 0 && err_abort)
1058: break;
1059: }
1060: break;
1061: case I_MKDIR:
1062: path1 = make_absolute(path1, *pwd);
1063: attrib_clear(&a);
1064: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1065: a.perm = 0777;
1066: err = do_mkdir(conn, path1, &a);
1067: break;
1068: case I_RMDIR:
1069: path1 = make_absolute(path1, *pwd);
1070: err = do_rmdir(conn, path1);
1071: break;
1072: case I_CHDIR:
1073: path1 = make_absolute(path1, *pwd);
1074: if ((tmp = do_realpath(conn, path1)) == NULL) {
1075: err = 1;
1076: break;
1077: }
1078: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1079: xfree(tmp);
1080: err = 1;
1081: break;
1082: }
1083: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1084: error("Can't change directory: Can't check target");
1085: xfree(tmp);
1086: err = 1;
1087: break;
1088: }
1089: if (!S_ISDIR(aa->perm)) {
1090: error("Can't change directory: \"%s\" is not "
1091: "a directory", tmp);
1092: xfree(tmp);
1093: err = 1;
1094: break;
1095: }
1096: xfree(*pwd);
1097: *pwd = tmp;
1098: break;
1099: case I_LS:
1100: if (!path1) {
1101: do_globbed_ls(conn, *pwd, *pwd, lflag);
1102: break;
1103: }
1104:
1105: /* Strip pwd off beginning of non-absolute paths */
1106: tmp = NULL;
1107: if (*path1 != '/')
1108: tmp = *pwd;
1109:
1110: path1 = make_absolute(path1, *pwd);
1111: err = do_globbed_ls(conn, path1, tmp, lflag);
1112: break;
1113: case I_LCHDIR:
1114: if (chdir(path1) == -1) {
1115: error("Couldn't change local directory to "
1116: "\"%s\": %s", path1, strerror(errno));
1117: err = 1;
1118: }
1119: break;
1120: case I_LMKDIR:
1121: if (mkdir(path1, 0777) == -1) {
1122: error("Couldn't create local directory "
1123: "\"%s\": %s", path1, strerror(errno));
1124: err = 1;
1125: }
1126: break;
1127: case I_LLS:
1128: local_do_ls(cmd);
1129: break;
1130: case I_SHELL:
1131: local_do_shell(cmd);
1132: break;
1133: case I_LUMASK:
1134: umask(n_arg);
1135: printf("Local umask: %03lo\n", n_arg);
1136: break;
1137: case I_CHMOD:
1138: path1 = make_absolute(path1, *pwd);
1139: attrib_clear(&a);
1140: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1141: a.perm = n_arg;
1142: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1143: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1144: printf("Changing mode on %s\n", g.gl_pathv[i]);
1145: err = do_setstat(conn, g.gl_pathv[i], &a);
1146: if (err != 0 && err_abort)
1147: break;
1148: }
1149: break;
1150: case I_CHOWN:
1151: case I_CHGRP:
1152: path1 = make_absolute(path1, *pwd);
1153: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1154: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1155: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1156: if (err != 0 && err_abort)
1157: break;
1158: else
1159: continue;
1160: }
1161: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1162: error("Can't get current ownership of "
1163: "remote file \"%s\"", g.gl_pathv[i]);
1164: if (err != 0 && err_abort)
1165: break;
1166: else
1167: continue;
1168: }
1169: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1170: if (cmdnum == I_CHOWN) {
1171: printf("Changing owner on %s\n", g.gl_pathv[i]);
1172: aa->uid = n_arg;
1173: } else {
1174: printf("Changing group on %s\n", g.gl_pathv[i]);
1175: aa->gid = n_arg;
1176: }
1177: err = do_setstat(conn, g.gl_pathv[i], aa);
1178: if (err != 0 && err_abort)
1179: break;
1180: }
1181: break;
1182: case I_PWD:
1183: printf("Remote working directory: %s\n", *pwd);
1184: break;
1185: case I_LPWD:
1186: if (!getcwd(path_buf, sizeof(path_buf))) {
1187: error("Couldn't get local cwd: %s", strerror(errno));
1188: err = -1;
1189: break;
1190: }
1191: printf("Local working directory: %s\n", path_buf);
1192: break;
1193: case I_QUIT:
1194: /* Processed below */
1195: break;
1196: case I_HELP:
1197: help();
1198: break;
1199: case I_VERSION:
1200: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1201: break;
1202: case I_PROGRESS:
1203: showprogress = !showprogress;
1204: if (showprogress)
1205: printf("Progress meter enabled\n");
1206: else
1207: printf("Progress meter disabled\n");
1208: break;
1209: default:
1210: fatal("%d is not implemented", cmdnum);
1211: }
1212:
1213: if (g.gl_pathc)
1214: globfree(&g);
1215: if (path1)
1216: xfree(path1);
1217: if (path2)
1218: xfree(path2);
1219:
1220: /* If an unignored error occurs in batch mode we should abort. */
1221: if (err_abort && err != 0)
1222: return (-1);
1223: else if (cmdnum == I_QUIT)
1224: return (1);
1225:
1226: return (0);
1227: }
1228:
1.57 djm 1229: static char *
1230: prompt(EditLine *el)
1231: {
1232: return ("sftp> ");
1233: }
1234:
1.44 djm 1235: int
1236: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
1237: {
1238: char *pwd;
1239: char *dir = NULL;
1240: char cmd[2048];
1241: struct sftp_conn *conn;
1.66 jaredy 1242: int err, interactive;
1.57 djm 1243: EditLine *el = NULL;
1244: History *hl = NULL;
1245: HistEvent hev;
1246: extern char *__progname;
1247:
1248: if (!batchmode && isatty(STDIN_FILENO)) {
1249: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1250: fatal("Couldn't initialise editline");
1251: if ((hl = history_init()) == NULL)
1252: fatal("Couldn't initialise editline history");
1253: history(hl, &hev, H_SETSIZE, 100);
1254: el_set(el, EL_HIST, history, hl);
1255:
1256: el_set(el, EL_PROMPT, prompt);
1257: el_set(el, EL_EDITOR, "emacs");
1258: el_set(el, EL_TERMINAL, NULL);
1259: el_set(el, EL_SIGNAL, 1);
1260: el_source(el, NULL);
1261: }
1.44 djm 1262:
1263: conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
1264: if (conn == NULL)
1265: fatal("Couldn't initialise connection to server");
1266:
1267: pwd = do_realpath(conn, ".");
1268: if (pwd == NULL)
1269: fatal("Need cwd");
1270:
1271: if (file1 != NULL) {
1272: dir = xstrdup(file1);
1273: dir = make_absolute(dir, pwd);
1274:
1275: if (remote_is_dir(conn, dir) && file2 == NULL) {
1276: printf("Changing to: %s\n", dir);
1277: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.58 markus 1278: if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
1279: xfree(dir);
1280: xfree(pwd);
1.76 djm 1281: xfree(conn);
1.44 djm 1282: return (-1);
1.58 markus 1283: }
1.44 djm 1284: } else {
1285: if (file2 == NULL)
1286: snprintf(cmd, sizeof cmd, "get %s", dir);
1287: else
1288: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1289: file2);
1290:
1291: err = parse_dispatch_command(conn, cmd, &pwd, 1);
1292: xfree(dir);
1293: xfree(pwd);
1.76 djm 1294: xfree(conn);
1.44 djm 1295: return (err);
1296: }
1297: xfree(dir);
1298: }
1299:
1300: setvbuf(stdout, NULL, _IOLBF, 0);
1301: setvbuf(infile, NULL, _IOLBF, 0);
1302:
1.66 jaredy 1303: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1304: err = 0;
1305: for (;;) {
1306: char *cp;
1.57 djm 1307: const char *line;
1308: int count = 0;
1.44 djm 1309:
1.46 djm 1310: signal(SIGINT, SIG_IGN);
1311:
1.57 djm 1312: if (el == NULL) {
1.66 jaredy 1313: if (interactive)
1314: printf("sftp> ");
1.57 djm 1315: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1316: if (interactive)
1317: printf("\n");
1.57 djm 1318: break;
1319: }
1.66 jaredy 1320: if (!interactive) { /* Echo command */
1321: printf("sftp> %s", cmd);
1322: if (strlen(cmd) > 0 &&
1323: cmd[strlen(cmd) - 1] != '\n')
1324: printf("\n");
1325: }
1.57 djm 1326: } else {
1.66 jaredy 1327: if ((line = el_gets(el, &count)) == NULL || count <= 0) {
1328: printf("\n");
1.57 djm 1329: break;
1.66 jaredy 1330: }
1.57 djm 1331: history(hl, &hev, H_ENTER, line);
1332: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1333: fprintf(stderr, "Error: input line too long\n");
1334: continue;
1335: }
1.44 djm 1336: }
1337:
1338: cp = strrchr(cmd, '\n');
1339: if (cp)
1340: *cp = '\0';
1341:
1.46 djm 1342: /* Handle user interrupts gracefully during commands */
1343: interrupted = 0;
1344: signal(SIGINT, cmd_interrupt);
1345:
1.44 djm 1346: err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1347: if (err != 0)
1348: break;
1349: }
1350: xfree(pwd);
1.76 djm 1351: xfree(conn);
1.66 jaredy 1352:
1353: if (el != NULL)
1354: el_end(el);
1.44 djm 1355:
1356: /* err == 1 signifies normal "quit" exit */
1357: return (err >= 0 ? 0 : -1);
1358: }
1.34 fgsch 1359:
1.18 itojun 1360: static void
1.36 djm 1361: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1362: {
1363: int c_in, c_out;
1.30 deraadt 1364:
1.1 djm 1365: int inout[2];
1.30 deraadt 1366:
1.1 djm 1367: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1368: fatal("socketpair: %s", strerror(errno));
1369: *in = *out = inout[0];
1370: c_in = c_out = inout[1];
1371:
1.36 djm 1372: if ((sshpid = fork()) == -1)
1.1 djm 1373: fatal("fork: %s", strerror(errno));
1.36 djm 1374: else if (sshpid == 0) {
1.1 djm 1375: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1376: (dup2(c_out, STDOUT_FILENO) == -1)) {
1377: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1378: _exit(1);
1.1 djm 1379: }
1380: close(*in);
1381: close(*out);
1382: close(c_in);
1383: close(c_out);
1.46 djm 1384:
1385: /*
1386: * The underlying ssh is in the same process group, so we must
1.56 deraadt 1387: * ignore SIGINT if we want to gracefully abort commands,
1388: * otherwise the signal will make it to the ssh process and
1.46 djm 1389: * kill it too
1390: */
1391: signal(SIGINT, SIG_IGN);
1.49 dtucker 1392: execvp(path, args);
1.23 djm 1393: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 1394: _exit(1);
1.1 djm 1395: }
1396:
1.36 djm 1397: signal(SIGTERM, killchild);
1398: signal(SIGINT, killchild);
1399: signal(SIGHUP, killchild);
1.1 djm 1400: close(c_in);
1401: close(c_out);
1402: }
1403:
1.18 itojun 1404: static void
1.1 djm 1405: usage(void)
1406: {
1.25 mpech 1407: extern char *__progname;
1.27 markus 1408:
1.19 stevesk 1409: fprintf(stderr,
1.38 jmc 1410: "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1411: " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1412: " [-S program] [-s subsystem | sftp_server] host\n"
1413: " %s [[user@]host[:file [file]]]\n"
1414: " %s [[user@]host[:dir[/]]]\n"
1415: " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
1.1 djm 1416: exit(1);
1417: }
1418:
1.2 stevesk 1419: int
1.1 djm 1420: main(int argc, char **argv)
1421: {
1.33 djm 1422: int in, out, ch, err;
1.48 pedro 1423: char *host, *userhost, *cp, *file2 = NULL;
1.17 mouring 1424: int debug_level = 0, sshver = 2;
1425: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 1426: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.17 mouring 1427: LogLevel ll = SYSLOG_LEVEL_INFO;
1428: arglist args;
1.3 djm 1429: extern int optind;
1430: extern char *optarg;
1.67 djm 1431:
1432: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
1433: sanitise_stdfd();
1.1 djm 1434:
1.70 djm 1435: memset(&args, '\0', sizeof(args));
1.17 mouring 1436: args.list = NULL;
1.80 djm 1437: addargs(&args, "%s", ssh_program);
1.17 mouring 1438: addargs(&args, "-oForwardX11 no");
1439: addargs(&args, "-oForwardAgent no");
1.69 reyk 1440: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 1441: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 1442:
1.17 mouring 1443: ll = SYSLOG_LEVEL_INFO;
1.40 djm 1444: infile = stdin;
1.3 djm 1445:
1.26 djm 1446: while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 1447: switch (ch) {
1448: case 'C':
1.17 mouring 1449: addargs(&args, "-C");
1.3 djm 1450: break;
1451: case 'v':
1.17 mouring 1452: if (debug_level < 3) {
1453: addargs(&args, "-v");
1454: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1455: }
1456: debug_level++;
1.3 djm 1457: break;
1.19 stevesk 1458: case 'F':
1.3 djm 1459: case 'o':
1.19 stevesk 1460: addargs(&args, "-%c%s", ch, optarg);
1.7 markus 1461: break;
1462: case '1':
1.17 mouring 1463: sshver = 1;
1.7 markus 1464: if (sftp_server == NULL)
1465: sftp_server = _PATH_SFTP_SERVER;
1466: break;
1467: case 's':
1468: sftp_server = optarg;
1469: break;
1470: case 'S':
1471: ssh_program = optarg;
1.70 djm 1472: replacearg(&args, 0, "%s", ssh_program);
1.3 djm 1473: break;
1.10 deraadt 1474: case 'b':
1.39 djm 1475: if (batchmode)
1476: fatal("Batch file already specified.");
1477:
1478: /* Allow "-" as stdin */
1.56 deraadt 1479: if (strcmp(optarg, "-") != 0 &&
1.65 djm 1480: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 1481: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 1482: showprogress = 0;
1.39 djm 1483: batchmode = 1;
1.62 djm 1484: addargs(&args, "-obatchmode yes");
1.10 deraadt 1485: break;
1.23 djm 1486: case 'P':
1487: sftp_direct = optarg;
1.24 djm 1488: break;
1489: case 'B':
1490: copy_buffer_len = strtol(optarg, &cp, 10);
1491: if (copy_buffer_len == 0 || *cp != '\0')
1492: fatal("Invalid buffer size \"%s\"", optarg);
1.26 djm 1493: break;
1494: case 'R':
1495: num_requests = strtol(optarg, &cp, 10);
1496: if (num_requests == 0 || *cp != '\0')
1.27 markus 1497: fatal("Invalid number of requests \"%s\"",
1.26 djm 1498: optarg);
1.23 djm 1499: break;
1.3 djm 1500: case 'h':
1501: default:
1.1 djm 1502: usage();
1503: }
1504: }
1.45 djm 1505:
1506: if (!isatty(STDERR_FILENO))
1507: showprogress = 0;
1.1 djm 1508:
1.29 markus 1509: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1510:
1.23 djm 1511: if (sftp_direct == NULL) {
1512: if (optind == argc || argc > (optind + 2))
1513: usage();
1514:
1515: userhost = xstrdup(argv[optind]);
1516: file2 = argv[optind+1];
1.1 djm 1517:
1.32 markus 1518: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 1519: host = userhost;
1520: else {
1521: *host++ = '\0';
1522: if (!userhost[0]) {
1523: fprintf(stderr, "Missing username\n");
1524: usage();
1525: }
1526: addargs(&args, "-l%s",userhost);
1.41 djm 1527: }
1528:
1529: if ((cp = colon(host)) != NULL) {
1530: *cp++ = '\0';
1531: file1 = cp;
1.23 djm 1532: }
1.3 djm 1533:
1.23 djm 1534: host = cleanhostname(host);
1535: if (!*host) {
1536: fprintf(stderr, "Missing hostname\n");
1.1 djm 1537: usage();
1538: }
1539:
1.23 djm 1540: addargs(&args, "-oProtocol %d", sshver);
1541:
1542: /* no subsystem if the server-spec contains a '/' */
1543: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1544: addargs(&args, "-s");
1545:
1546: addargs(&args, "%s", host);
1.27 markus 1547: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 1548: sftp_server : "sftp"));
1549:
1.39 djm 1550: if (!batchmode)
1551: fprintf(stderr, "Connecting to %s...\n", host);
1.36 djm 1552: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 1553: } else {
1554: args.list = NULL;
1555: addargs(&args, "sftp-server");
1556:
1.39 djm 1557: if (!batchmode)
1558: fprintf(stderr, "Attaching to %s...\n", sftp_direct);
1.36 djm 1559: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 1560: }
1.70 djm 1561: freeargs(&args);
1.1 djm 1562:
1.33 djm 1563: err = interactive_loop(in, out, file1, file2);
1.1 djm 1564:
1565: close(in);
1566: close(out);
1.39 djm 1567: if (batchmode)
1.10 deraadt 1568: fclose(infile);
1.1 djm 1569:
1.28 markus 1570: while (waitpid(sshpid, NULL, 0) == -1)
1571: if (errno != EINTR)
1572: fatal("Couldn't wait for ssh process: %s",
1573: strerror(errno));
1.1 djm 1574:
1.33 djm 1575: exit(err == 0 ? 0 : 1);
1.1 djm 1576: }