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1.115 ! guenther 1: /* $OpenBSD: sftp.c,v 1.114 2009/12/06 23:53:54 dtucker 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:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.88 stevesk 23: #include <sys/param.h>
1.100 djm 24: #include <sys/statvfs.h>
1.44 djm 25:
1.97 djm 26: #include <ctype.h>
1.85 stevesk 27: #include <errno.h>
1.44 djm 28: #include <glob.h>
1.57 djm 29: #include <histedit.h>
1.71 stevesk 30: #include <paths.h>
1.111 djm 31: #include <libgen.h>
1.74 stevesk 32: #include <signal.h>
1.89 stevesk 33: #include <stdlib.h>
1.90 stevesk 34: #include <stdio.h>
1.87 stevesk 35: #include <string.h>
1.86 stevesk 36: #include <unistd.h>
1.100 djm 37: #include <util.h>
1.91 deraadt 38: #include <stdarg.h>
1.1 djm 39:
40: #include "xmalloc.h"
41: #include "log.h"
42: #include "pathnames.h"
1.16 mouring 43: #include "misc.h"
1.1 djm 44:
45: #include "sftp.h"
1.91 deraadt 46: #include "buffer.h"
1.1 djm 47: #include "sftp-common.h"
48: #include "sftp-client.h"
1.43 djm 49:
1.112 djm 50: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
51: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
52:
1.44 djm 53: /* File to read commands from */
54: FILE* infile;
1.15 mouring 55:
1.44 djm 56: /* Are we in batchfile mode? */
1.39 djm 57: int batchmode = 0;
1.44 djm 58:
59: /* PID of ssh transport process */
1.36 djm 60: static pid_t sshpid = -1;
1.7 markus 61:
1.44 djm 62: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 63: int showprogress = 1;
1.44 djm 64:
1.111 djm 65: /* When this option is set, we always recursively download/upload directories */
66: int global_rflag = 0;
67:
68: /* When this option is set, the file transfers will always preserve times */
69: int global_pflag = 0;
70:
1.46 djm 71: /* SIGINT received during command processing */
72: volatile sig_atomic_t interrupted = 0;
73:
1.52 djm 74: /* I wish qsort() took a separate ctx for the comparison function...*/
75: int sort_flag;
76:
1.44 djm 77: int remote_glob(struct sftp_conn *, const char *, int,
78: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
79:
80: /* Separators for interactive commands */
81: #define WHITESPACE " \t\r\n"
82:
1.52 djm 83: /* ls flags */
1.53 djm 84: #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
85: #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
86: #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
87: #define LS_NAME_SORT 0x08 /* Sort by name (default) */
88: #define LS_TIME_SORT 0x10 /* Sort by mtime */
89: #define LS_SIZE_SORT 0x20 /* Sort by file size */
90: #define LS_REVERSE_SORT 0x40 /* Reverse sort order */
1.54 djm 91: #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
1.52 djm 92:
1.53 djm 93: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
94: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 95:
96: /* Commands for interactive mode */
97: #define I_CHDIR 1
98: #define I_CHGRP 2
99: #define I_CHMOD 3
100: #define I_CHOWN 4
1.100 djm 101: #define I_DF 24
1.44 djm 102: #define I_GET 5
103: #define I_HELP 6
104: #define I_LCHDIR 7
105: #define I_LLS 8
106: #define I_LMKDIR 9
107: #define I_LPWD 10
108: #define I_LS 11
109: #define I_LUMASK 12
110: #define I_MKDIR 13
111: #define I_PUT 14
112: #define I_PWD 15
113: #define I_QUIT 16
114: #define I_RENAME 17
115: #define I_RM 18
116: #define I_RMDIR 19
117: #define I_SHELL 20
118: #define I_SYMLINK 21
119: #define I_VERSION 22
120: #define I_PROGRESS 23
121:
122: struct CMD {
123: const char *c;
124: const int n;
125: };
126:
127: static const struct CMD cmds[] = {
128: { "bye", I_QUIT },
129: { "cd", I_CHDIR },
130: { "chdir", I_CHDIR },
131: { "chgrp", I_CHGRP },
132: { "chmod", I_CHMOD },
133: { "chown", I_CHOWN },
1.100 djm 134: { "df", I_DF },
1.44 djm 135: { "dir", I_LS },
136: { "exit", I_QUIT },
137: { "get", I_GET },
138: { "mget", I_GET },
139: { "help", I_HELP },
140: { "lcd", I_LCHDIR },
141: { "lchdir", I_LCHDIR },
142: { "lls", I_LLS },
143: { "lmkdir", I_LMKDIR },
144: { "ln", I_SYMLINK },
145: { "lpwd", I_LPWD },
146: { "ls", I_LS },
147: { "lumask", I_LUMASK },
148: { "mkdir", I_MKDIR },
149: { "progress", I_PROGRESS },
150: { "put", I_PUT },
151: { "mput", I_PUT },
152: { "pwd", I_PWD },
153: { "quit", I_QUIT },
154: { "rename", I_RENAME },
155: { "rm", I_RM },
156: { "rmdir", I_RMDIR },
157: { "symlink", I_SYMLINK },
158: { "version", I_VERSION },
159: { "!", I_SHELL },
160: { "?", I_HELP },
161: { NULL, -1}
162: };
163:
1.112 djm 164: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 165:
1.96 stevesk 166: /* ARGSUSED */
1.44 djm 167: static void
1.46 djm 168: killchild(int signo)
169: {
1.61 dtucker 170: if (sshpid > 1) {
1.46 djm 171: kill(sshpid, SIGTERM);
1.61 dtucker 172: waitpid(sshpid, NULL, 0);
173: }
1.46 djm 174:
175: _exit(1);
176: }
177:
1.96 stevesk 178: /* ARGSUSED */
1.46 djm 179: static void
180: cmd_interrupt(int signo)
181: {
182: const char msg[] = "\rInterrupt \n";
1.59 djm 183: int olderrno = errno;
1.46 djm 184:
185: write(STDERR_FILENO, msg, sizeof(msg) - 1);
186: interrupted = 1;
1.59 djm 187: errno = olderrno;
1.46 djm 188: }
189:
190: static void
1.44 djm 191: help(void)
192: {
1.106 sobrado 193: printf("Available commands:\n"
194: "bye Quit sftp\n"
195: "cd path Change remote directory to 'path'\n"
196: "chgrp grp path Change group of file 'path' to 'grp'\n"
197: "chmod mode path Change permissions of file 'path' to 'mode'\n"
198: "chown own path Change owner of file 'path' to 'own'\n"
199: "df [-hi] [path] Display statistics for current directory or\n"
200: " filesystem containing 'path'\n"
201: "exit Quit sftp\n"
1.111 djm 202: "get [-Pr] remote-path [local-path] Download file\n"
1.106 sobrado 203: "help Display this help text\n"
204: "lcd path Change local directory to 'path'\n"
205: "lls [ls-options [path]] Display local directory listing\n"
206: "lmkdir path Create local directory\n"
207: "ln oldpath newpath Symlink remote file\n"
208: "lpwd Print local working directory\n"
209: "ls [-1aflnrSt] [path] Display remote directory listing\n"
210: "lumask umask Set local umask to 'umask'\n"
211: "mkdir path Create remote directory\n"
212: "progress Toggle display of progress meter\n"
1.111 djm 213: "put [-Pr] local-path [remote-path] Upload file\n"
1.106 sobrado 214: "pwd Display remote working directory\n"
215: "quit Quit sftp\n"
216: "rename oldpath newpath Rename remote file\n"
217: "rm path Delete remote file\n"
218: "rmdir path Remove remote directory\n"
219: "symlink oldpath newpath Symlink remote file\n"
220: "version Show SFTP version\n"
221: "!command Execute 'command' in local shell\n"
222: "! Escape to local shell\n"
223: "? Synonym for help\n");
1.44 djm 224: }
225:
226: static void
227: local_do_shell(const char *args)
228: {
229: int status;
230: char *shell;
231: pid_t pid;
232:
233: if (!*args)
234: args = NULL;
235:
236: if ((shell = getenv("SHELL")) == NULL)
237: shell = _PATH_BSHELL;
238:
239: if ((pid = fork()) == -1)
240: fatal("Couldn't fork: %s", strerror(errno));
241:
242: if (pid == 0) {
243: /* XXX: child has pipe fds to ssh subproc open - issue? */
244: if (args) {
245: debug3("Executing %s -c \"%s\"", shell, args);
246: execl(shell, shell, "-c", args, (char *)NULL);
247: } else {
248: debug3("Executing %s", shell);
249: execl(shell, shell, (char *)NULL);
250: }
251: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
252: strerror(errno));
253: _exit(1);
254: }
255: while (waitpid(pid, &status, 0) == -1)
256: if (errno != EINTR)
257: fatal("Couldn't wait for child: %s", strerror(errno));
258: if (!WIFEXITED(status))
1.78 djm 259: error("Shell exited abnormally");
1.44 djm 260: else if (WEXITSTATUS(status))
261: error("Shell exited with status %d", WEXITSTATUS(status));
262: }
263:
264: static void
265: local_do_ls(const char *args)
266: {
267: if (!args || !*args)
268: local_do_shell(_PATH_LS);
269: else {
270: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
271: char *buf = xmalloc(len);
272:
273: /* XXX: quoting - rip quoting code from ftp? */
274: snprintf(buf, len, _PATH_LS " %s", args);
275: local_do_shell(buf);
276: xfree(buf);
277: }
278: }
279:
280: /* Strip one path (usually the pwd) from the start of another */
281: static char *
282: path_strip(char *path, char *strip)
283: {
284: size_t len;
285:
286: if (strip == NULL)
287: return (xstrdup(path));
288:
289: len = strlen(strip);
1.59 djm 290: if (strncmp(path, strip, len) == 0) {
1.44 djm 291: if (strip[len - 1] != '/' && path[len] == '/')
292: len++;
293: return (xstrdup(path + len));
294: }
295:
296: return (xstrdup(path));
297: }
298:
299: static char *
300: make_absolute(char *p, char *pwd)
301: {
1.51 avsm 302: char *abs_str;
1.44 djm 303:
304: /* Derelativise */
305: if (p && p[0] != '/') {
1.51 avsm 306: abs_str = path_append(pwd, p);
1.44 djm 307: xfree(p);
1.51 avsm 308: return(abs_str);
1.44 djm 309: } else
310: return(p);
311: }
312:
313: static int
1.111 djm 314: parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
315: int *rflag)
1.44 djm 316: {
1.102 martynas 317: extern int opterr, optind, optopt, optreset;
1.97 djm 318: int ch;
1.44 djm 319:
1.97 djm 320: optind = optreset = 1;
321: opterr = 0;
322:
1.111 djm 323: *rflag = *pflag = 0;
324: while ((ch = getopt(argc, argv, "PpRr")) != -1) {
1.97 djm 325: switch (ch) {
1.44 djm 326: case 'p':
327: case 'P':
328: *pflag = 1;
329: break;
1.111 djm 330: case 'r':
331: case 'R':
332: *rflag = 1;
333: break;
1.44 djm 334: default:
1.102 martynas 335: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 336: return -1;
1.44 djm 337: }
338: }
339:
1.97 djm 340: return optind;
1.44 djm 341: }
342:
343: static int
1.97 djm 344: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 345: {
1.102 martynas 346: extern int opterr, optind, optopt, optreset;
1.97 djm 347: int ch;
348:
349: optind = optreset = 1;
350: opterr = 0;
1.44 djm 351:
1.53 djm 352: *lflag = LS_NAME_SORT;
1.97 djm 353: while ((ch = getopt(argc, argv, "1Saflnrt")) != -1) {
354: switch (ch) {
355: case '1':
356: *lflag &= ~VIEW_FLAGS;
357: *lflag |= LS_SHORT_VIEW;
358: break;
359: case 'S':
360: *lflag &= ~SORT_FLAGS;
361: *lflag |= LS_SIZE_SORT;
362: break;
363: case 'a':
364: *lflag |= LS_SHOW_ALL;
365: break;
366: case 'f':
367: *lflag &= ~SORT_FLAGS;
368: break;
369: case 'l':
370: *lflag &= ~VIEW_FLAGS;
371: *lflag |= LS_LONG_VIEW;
372: break;
373: case 'n':
374: *lflag &= ~VIEW_FLAGS;
375: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
376: break;
377: case 'r':
378: *lflag |= LS_REVERSE_SORT;
379: break;
380: case 't':
381: *lflag &= ~SORT_FLAGS;
382: *lflag |= LS_TIME_SORT;
383: break;
384: default:
1.102 martynas 385: error("ls: Invalid flag -%c", optopt);
1.97 djm 386: return -1;
1.44 djm 387: }
388: }
389:
1.97 djm 390: return optind;
1.44 djm 391: }
392:
393: static int
1.100 djm 394: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
395: {
1.102 martynas 396: extern int opterr, optind, optopt, optreset;
1.100 djm 397: int ch;
398:
399: optind = optreset = 1;
400: opterr = 0;
401:
402: *hflag = *iflag = 0;
403: while ((ch = getopt(argc, argv, "hi")) != -1) {
404: switch (ch) {
405: case 'h':
406: *hflag = 1;
407: break;
408: case 'i':
409: *iflag = 1;
410: break;
411: default:
1.102 martynas 412: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 413: return -1;
414: }
415: }
416:
417: return optind;
418: }
419:
420: static int
1.44 djm 421: is_dir(char *path)
422: {
423: struct stat sb;
424:
425: /* XXX: report errors? */
426: if (stat(path, &sb) == -1)
427: return(0);
428:
1.92 otto 429: return(S_ISDIR(sb.st_mode));
1.44 djm 430: }
431:
432: static int
433: remote_is_dir(struct sftp_conn *conn, char *path)
434: {
435: Attrib *a;
436:
437: /* XXX: report errors? */
438: if ((a = do_stat(conn, path, 1)) == NULL)
439: return(0);
440: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
441: return(0);
1.92 otto 442: return(S_ISDIR(a->perm));
1.44 djm 443: }
444:
1.111 djm 445: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
446: static int
447: pathname_is_dir(char *pathname)
448: {
449: size_t l = strlen(pathname);
450:
451: return l > 0 && pathname[l - 1] == '/';
452: }
453:
1.44 djm 454: static int
1.111 djm 455: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
456: int pflag, int rflag)
1.44 djm 457: {
458: char *abs_src = NULL;
459: char *abs_dst = NULL;
460: glob_t g;
1.111 djm 461: char *filename, *tmp=NULL;
462: int i, err = 0;
1.44 djm 463:
464: abs_src = xstrdup(src);
465: abs_src = make_absolute(abs_src, pwd);
1.111 djm 466: memset(&g, 0, sizeof(g));
1.44 djm 467:
468: debug3("Looking up %s", abs_src);
1.111 djm 469: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 470: error("File \"%s\" not found.", abs_src);
471: err = -1;
472: goto out;
473: }
474:
1.111 djm 475: /*
476: * If multiple matches then dst must be a directory or
477: * unspecified.
478: */
479: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
480: error("Multiple source paths, but destination "
481: "\"%s\" is not a directory", dst);
1.44 djm 482: err = -1;
483: goto out;
484: }
485:
1.46 djm 486: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 487: tmp = xstrdup(g.gl_pathv[i]);
488: if ((filename = basename(tmp)) == NULL) {
489: error("basename %s: %s", tmp, strerror(errno));
490: xfree(tmp);
1.44 djm 491: err = -1;
492: goto out;
493: }
494:
495: if (g.gl_matchc == 1 && dst) {
496: if (is_dir(dst)) {
1.111 djm 497: abs_dst = path_append(dst, filename);
498: } else {
1.44 djm 499: abs_dst = xstrdup(dst);
1.111 djm 500: }
1.44 djm 501: } else if (dst) {
1.111 djm 502: abs_dst = path_append(dst, filename);
503: } else {
504: abs_dst = xstrdup(filename);
505: }
506: xfree(tmp);
1.44 djm 507:
508: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 509: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
510: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
511: pflag || global_pflag, 1) == -1)
512: err = -1;
513: } else {
514: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
515: pflag || global_pflag) == -1)
516: err = -1;
517: }
1.44 djm 518: xfree(abs_dst);
519: abs_dst = NULL;
520: }
521:
522: out:
523: xfree(abs_src);
524: globfree(&g);
525: return(err);
526: }
527:
528: static int
1.111 djm 529: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
530: int pflag, int rflag)
1.44 djm 531: {
532: char *tmp_dst = NULL;
533: char *abs_dst = NULL;
1.111 djm 534: char *tmp = NULL, *filename = NULL;
1.44 djm 535: glob_t g;
536: int err = 0;
1.111 djm 537: int i, dst_is_dir = 1;
1.99 djm 538: struct stat sb;
1.44 djm 539:
540: if (dst) {
541: tmp_dst = xstrdup(dst);
542: tmp_dst = make_absolute(tmp_dst, pwd);
543: }
544:
545: memset(&g, 0, sizeof(g));
546: debug3("Looking up %s", src);
1.111 djm 547: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 548: error("File \"%s\" not found.", src);
549: err = -1;
550: goto out;
551: }
552:
1.111 djm 553: /* If we aren't fetching to pwd then stash this status for later */
554: if (tmp_dst != NULL)
555: dst_is_dir = remote_is_dir(conn, tmp_dst);
556:
1.44 djm 557: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 558: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
559: error("Multiple paths match, but destination "
560: "\"%s\" is not a directory", tmp_dst);
1.44 djm 561: err = -1;
562: goto out;
563: }
564:
1.46 djm 565: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 566: if (stat(g.gl_pathv[i], &sb) == -1) {
567: err = -1;
568: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
569: continue;
570: }
1.111 djm 571:
572: tmp = xstrdup(g.gl_pathv[i]);
573: if ((filename = basename(tmp)) == NULL) {
574: error("basename %s: %s", tmp, strerror(errno));
575: xfree(tmp);
1.44 djm 576: err = -1;
577: goto out;
578: }
579:
580: if (g.gl_matchc == 1 && tmp_dst) {
581: /* If directory specified, append filename */
1.111 djm 582: if (dst_is_dir)
583: abs_dst = path_append(tmp_dst, filename);
584: else
1.44 djm 585: abs_dst = xstrdup(tmp_dst);
586: } else if (tmp_dst) {
1.111 djm 587: abs_dst = path_append(tmp_dst, filename);
588: } else {
589: abs_dst = make_absolute(xstrdup(filename), pwd);
590: }
591: xfree(tmp);
1.44 djm 592:
593: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 594: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
595: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
596: pflag || global_pflag, 1) == -1)
597: err = -1;
598: } else {
599: if (do_upload(conn, g.gl_pathv[i], abs_dst,
600: pflag || global_pflag) == -1)
601: err = -1;
602: }
1.44 djm 603: }
604:
605: out:
606: if (abs_dst)
607: xfree(abs_dst);
608: if (tmp_dst)
609: xfree(tmp_dst);
610: globfree(&g);
611: return(err);
612: }
613:
614: static int
615: sdirent_comp(const void *aa, const void *bb)
616: {
617: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
618: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 619: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 620:
1.52 djm 621: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 622: if (sort_flag & LS_NAME_SORT)
1.52 djm 623: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 624: else if (sort_flag & LS_TIME_SORT)
1.52 djm 625: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 626: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 627: return (rmul * NCMP(a->a.size, b->a.size));
628:
629: fatal("Unknown ls sort type");
1.44 djm 630: }
631:
632: /* sftp ls.1 replacement for directories */
633: static int
634: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
635: {
1.64 djm 636: int n;
637: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 638: SFTP_DIRENT **d;
639:
640: if ((n = do_readdir(conn, path, &d)) != 0)
641: return (n);
642:
1.53 djm 643: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 644: u_int m = 0, width = 80;
1.44 djm 645: struct winsize ws;
646: char *tmp;
647:
648: /* Count entries for sort and find longest filename */
1.54 djm 649: for (n = 0; d[n] != NULL; n++) {
650: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
651: m = MAX(m, strlen(d[n]->filename));
652: }
1.44 djm 653:
654: /* Add any subpath that also needs to be counted */
655: tmp = path_strip(path, strip_path);
656: m += strlen(tmp);
657: xfree(tmp);
658:
659: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
660: width = ws.ws_col;
661:
662: columns = width / (m + 2);
663: columns = MAX(columns, 1);
664: colspace = width / columns;
665: colspace = MIN(colspace, width);
666: }
667:
1.52 djm 668: if (lflag & SORT_FLAGS) {
1.68 dtucker 669: for (n = 0; d[n] != NULL; n++)
670: ; /* count entries */
1.53 djm 671: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 672: qsort(d, n, sizeof(*d), sdirent_comp);
673: }
1.44 djm 674:
1.46 djm 675: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 676: char *tmp, *fname;
1.54 djm 677:
678: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
679: continue;
1.44 djm 680:
681: tmp = path_append(path, d[n]->filename);
682: fname = path_strip(tmp, strip_path);
683: xfree(tmp);
684:
1.53 djm 685: if (lflag & LS_LONG_VIEW) {
686: if (lflag & LS_NUMERIC_VIEW) {
1.50 djm 687: char *lname;
688: struct stat sb;
689:
690: memset(&sb, 0, sizeof(sb));
691: attrib_to_stat(&d[n]->a, &sb);
692: lname = ls_file(fname, &sb, 1);
693: printf("%s\n", lname);
694: xfree(lname);
695: } else
696: printf("%s\n", d[n]->longname);
1.44 djm 697: } else {
698: printf("%-*s", colspace, fname);
699: if (c >= columns) {
700: printf("\n");
701: c = 1;
702: } else
703: c++;
704: }
705:
706: xfree(fname);
707: }
708:
1.53 djm 709: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 710: printf("\n");
711:
712: free_sftp_dirents(d);
713: return (0);
714: }
715:
716: /* sftp ls.1 replacement which handles path globs */
717: static int
718: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
719: int lflag)
720: {
721: glob_t g;
1.64 djm 722: u_int i, c = 1, colspace = 0, columns = 1;
1.60 fgsch 723: Attrib *a = NULL;
1.44 djm 724:
725: memset(&g, 0, sizeof(g));
726:
727: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
1.60 fgsch 728: NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
729: if (g.gl_pathc)
730: globfree(&g);
1.44 djm 731: error("Can't ls: \"%s\" not found", path);
732: return (-1);
733: }
734:
1.46 djm 735: if (interrupted)
736: goto out;
737:
1.44 djm 738: /*
1.60 fgsch 739: * If the glob returns a single match and it is a directory,
740: * then just list its contents.
1.44 djm 741: */
1.60 fgsch 742: if (g.gl_matchc == 1) {
743: if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
1.44 djm 744: globfree(&g);
745: return (-1);
746: }
747: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
748: S_ISDIR(a->perm)) {
1.60 fgsch 749: int err;
750:
751: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
1.44 djm 752: globfree(&g);
1.60 fgsch 753: return (err);
1.44 djm 754: }
755: }
756:
1.53 djm 757: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 758: u_int m = 0, width = 80;
1.44 djm 759: struct winsize ws;
760:
761: /* Count entries for sort and find longest filename */
762: for (i = 0; g.gl_pathv[i]; i++)
763: m = MAX(m, strlen(g.gl_pathv[i]));
764:
765: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
766: width = ws.ws_col;
767:
768: columns = width / (m + 2);
769: columns = MAX(columns, 1);
770: colspace = width / columns;
771: }
772:
1.60 fgsch 773: for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
1.44 djm 774: char *fname;
775:
776: fname = path_strip(g.gl_pathv[i], strip_path);
777:
1.53 djm 778: if (lflag & LS_LONG_VIEW) {
1.44 djm 779: char *lname;
780: struct stat sb;
781:
782: /*
783: * XXX: this is slow - 1 roundtrip per path
784: * A solution to this is to fork glob() and
785: * build a sftp specific version which keeps the
786: * attribs (which currently get thrown away)
787: * that the server returns as well as the filenames.
788: */
789: memset(&sb, 0, sizeof(sb));
1.60 fgsch 790: if (a == NULL)
791: a = do_lstat(conn, g.gl_pathv[i], 1);
1.44 djm 792: if (a != NULL)
793: attrib_to_stat(a, &sb);
794: lname = ls_file(fname, &sb, 1);
795: printf("%s\n", lname);
796: xfree(lname);
797: } else {
798: printf("%-*s", colspace, fname);
799: if (c >= columns) {
800: printf("\n");
801: c = 1;
802: } else
803: c++;
804: }
805: xfree(fname);
806: }
807:
1.53 djm 808: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 809: printf("\n");
810:
1.46 djm 811: out:
1.44 djm 812: if (g.gl_pathc)
813: globfree(&g);
814:
815: return (0);
816: }
817:
1.100 djm 818: static int
819: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
820: {
1.101 dtucker 821: struct sftp_statvfs st;
1.100 djm 822: char s_used[FMT_SCALED_STRSIZE];
823: char s_avail[FMT_SCALED_STRSIZE];
824: char s_root[FMT_SCALED_STRSIZE];
825: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 826: unsigned long long ffree;
1.100 djm 827:
828: if (do_statvfs(conn, path, &st, 1) == -1)
829: return -1;
830: if (iflag) {
1.114 dtucker 831: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 832: printf(" Inodes Used Avail "
833: "(root) %%Capacity\n");
834: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
835: (unsigned long long)st.f_files,
836: (unsigned long long)(st.f_files - st.f_ffree),
837: (unsigned long long)st.f_favail,
1.114 dtucker 838: (unsigned long long)st.f_ffree, ffree);
1.100 djm 839: } else if (hflag) {
840: strlcpy(s_used, "error", sizeof(s_used));
841: strlcpy(s_avail, "error", sizeof(s_avail));
842: strlcpy(s_root, "error", sizeof(s_root));
843: strlcpy(s_total, "error", sizeof(s_total));
844: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
845: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
846: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
847: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
848: printf(" Size Used Avail (root) %%Capacity\n");
849: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
850: s_total, s_used, s_avail, s_root,
851: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
852: st.f_blocks));
853: } else {
854: printf(" Size Used Avail "
855: "(root) %%Capacity\n");
856: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
857: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
858: (unsigned long long)(st.f_frsize *
859: (st.f_blocks - st.f_bfree) / 1024),
860: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
861: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
862: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
863: st.f_blocks));
864: }
865: return 0;
866: }
867:
1.97 djm 868: /*
869: * Undo escaping of glob sequences in place. Used to undo extra escaping
870: * applied in makeargv() when the string is destined for a function that
871: * does not glob it.
872: */
873: static void
874: undo_glob_escape(char *s)
875: {
876: size_t i, j;
877:
878: for (i = j = 0;;) {
879: if (s[i] == '\0') {
880: s[j] = '\0';
881: return;
882: }
883: if (s[i] != '\\') {
884: s[j++] = s[i++];
885: continue;
886: }
887: /* s[i] == '\\' */
888: ++i;
889: switch (s[i]) {
890: case '?':
891: case '[':
892: case '*':
893: case '\\':
894: s[j++] = s[i++];
895: break;
896: case '\0':
897: s[j++] = '\\';
898: s[j] = '\0';
899: return;
900: default:
901: s[j++] = '\\';
902: s[j++] = s[i++];
903: break;
904: }
905: }
906: }
907:
908: /*
909: * Split a string into an argument vector using sh(1)-style quoting,
910: * comment and escaping rules, but with some tweaks to handle glob(3)
911: * wildcards.
912: * Returns NULL on error or a NULL-terminated array of arguments.
913: */
914: #define MAXARGS 128
915: #define MAXARGLEN 8192
916: static char **
917: makeargv(const char *arg, int *argcp)
918: {
919: int argc, quot;
920: size_t i, j;
921: static char argvs[MAXARGLEN];
922: static char *argv[MAXARGS + 1];
923: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
924:
925: *argcp = argc = 0;
926: if (strlen(arg) > sizeof(argvs) - 1) {
927: args_too_longs:
928: error("string too long");
929: return NULL;
930: }
931: state = MA_START;
932: i = j = 0;
933: for (;;) {
934: if (isspace(arg[i])) {
935: if (state == MA_UNQUOTED) {
936: /* Terminate current argument */
937: argvs[j++] = '\0';
938: argc++;
939: state = MA_START;
940: } else if (state != MA_START)
941: argvs[j++] = arg[i];
942: } else if (arg[i] == '"' || arg[i] == '\'') {
943: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
944: if (state == MA_START) {
945: argv[argc] = argvs + j;
946: state = q;
947: } else if (state == MA_UNQUOTED)
948: state = q;
949: else if (state == q)
950: state = MA_UNQUOTED;
951: else
952: argvs[j++] = arg[i];
953: } else if (arg[i] == '\\') {
954: if (state == MA_SQUOTE || state == MA_DQUOTE) {
955: quot = state == MA_SQUOTE ? '\'' : '"';
956: /* Unescape quote we are in */
957: /* XXX support \n and friends? */
958: if (arg[i + 1] == quot) {
959: i++;
960: argvs[j++] = arg[i];
961: } else if (arg[i + 1] == '?' ||
962: arg[i + 1] == '[' || arg[i + 1] == '*') {
963: /*
964: * Special case for sftp: append
965: * double-escaped glob sequence -
966: * glob will undo one level of
967: * escaping. NB. string can grow here.
968: */
969: if (j >= sizeof(argvs) - 5)
970: goto args_too_longs;
971: argvs[j++] = '\\';
972: argvs[j++] = arg[i++];
973: argvs[j++] = '\\';
974: argvs[j++] = arg[i];
975: } else {
976: argvs[j++] = arg[i++];
977: argvs[j++] = arg[i];
978: }
979: } else {
980: if (state == MA_START) {
981: argv[argc] = argvs + j;
982: state = MA_UNQUOTED;
983: }
984: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
985: arg[i + 1] == '*' || arg[i + 1] == '\\') {
986: /*
987: * Special case for sftp: append
988: * escaped glob sequence -
989: * glob will undo one level of
990: * escaping.
991: */
992: argvs[j++] = arg[i++];
993: argvs[j++] = arg[i];
994: } else {
995: /* Unescape everything */
996: /* XXX support \n and friends? */
997: i++;
998: argvs[j++] = arg[i];
999: }
1000: }
1001: } else if (arg[i] == '#') {
1002: if (state == MA_SQUOTE || state == MA_DQUOTE)
1003: argvs[j++] = arg[i];
1004: else
1005: goto string_done;
1006: } else if (arg[i] == '\0') {
1007: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1008: error("Unterminated quoted argument");
1009: return NULL;
1010: }
1011: string_done:
1012: if (state == MA_UNQUOTED) {
1013: argvs[j++] = '\0';
1014: argc++;
1015: }
1016: break;
1017: } else {
1018: if (state == MA_START) {
1019: argv[argc] = argvs + j;
1020: state = MA_UNQUOTED;
1021: }
1022: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1023: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1024: /*
1025: * Special case for sftp: escape quoted
1026: * glob(3) wildcards. NB. string can grow
1027: * here.
1028: */
1029: if (j >= sizeof(argvs) - 3)
1030: goto args_too_longs;
1031: argvs[j++] = '\\';
1032: argvs[j++] = arg[i];
1033: } else
1034: argvs[j++] = arg[i];
1035: }
1036: i++;
1037: }
1038: *argcp = argc;
1039: return argv;
1040: }
1041:
1.44 djm 1042: static int
1.111 djm 1043: parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag, int *hflag,
1.44 djm 1044: unsigned long *n_arg, char **path1, char **path2)
1045: {
1046: const char *cmd, *cp = *cpp;
1.97 djm 1047: char *cp2, **argv;
1.44 djm 1048: int base = 0;
1049: long l;
1.97 djm 1050: int i, cmdnum, optidx, argc;
1.44 djm 1051:
1052: /* Skip leading whitespace */
1053: cp = cp + strspn(cp, WHITESPACE);
1054:
1055: /* Ignore blank lines and lines which begin with comment '#' char */
1056: if (*cp == '\0' || *cp == '#')
1057: return (0);
1058:
1059: /* Check for leading '-' (disable error processing) */
1060: *iflag = 0;
1061: if (*cp == '-') {
1062: *iflag = 1;
1063: cp++;
1064: }
1065:
1.97 djm 1066: if ((argv = makeargv(cp, &argc)) == NULL)
1067: return -1;
1068:
1.44 djm 1069: /* Figure out which command we have */
1.97 djm 1070: for (i = 0; cmds[i].c != NULL; i++) {
1071: if (strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1072: break;
1073: }
1074: cmdnum = cmds[i].n;
1075: cmd = cmds[i].c;
1076:
1077: /* Special case */
1078: if (*cp == '!') {
1079: cp++;
1080: cmdnum = I_SHELL;
1081: } else if (cmdnum == -1) {
1082: error("Invalid command.");
1.97 djm 1083: return -1;
1.44 djm 1084: }
1085:
1086: /* Get arguments and parse flags */
1.111 djm 1087: *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1088: *path1 = *path2 = NULL;
1.97 djm 1089: optidx = 1;
1.44 djm 1090: switch (cmdnum) {
1091: case I_GET:
1092: case I_PUT:
1.111 djm 1093: if ((optidx = parse_getput_flags(cmd, argv, argc, pflag, rflag)) == -1)
1.97 djm 1094: return -1;
1.44 djm 1095: /* Get first pathname (mandatory) */
1.97 djm 1096: if (argc - optidx < 1) {
1.44 djm 1097: error("You must specify at least one path after a "
1098: "%s command.", cmd);
1.97 djm 1099: return -1;
1100: }
1101: *path1 = xstrdup(argv[optidx]);
1102: /* Get second pathname (optional) */
1103: if (argc - optidx > 1) {
1104: *path2 = xstrdup(argv[optidx + 1]);
1105: /* Destination is not globbed */
1106: undo_glob_escape(*path2);
1.44 djm 1107: }
1108: break;
1109: case I_RENAME:
1110: case I_SYMLINK:
1.97 djm 1111: if (argc - optidx < 2) {
1.44 djm 1112: error("You must specify two paths after a %s "
1113: "command.", cmd);
1.97 djm 1114: return -1;
1.44 djm 1115: }
1.97 djm 1116: *path1 = xstrdup(argv[optidx]);
1117: *path2 = xstrdup(argv[optidx + 1]);
1118: /* Paths are not globbed */
1119: undo_glob_escape(*path1);
1120: undo_glob_escape(*path2);
1.44 djm 1121: break;
1122: case I_RM:
1123: case I_MKDIR:
1124: case I_RMDIR:
1125: case I_CHDIR:
1126: case I_LCHDIR:
1127: case I_LMKDIR:
1128: /* Get pathname (mandatory) */
1.97 djm 1129: if (argc - optidx < 1) {
1.44 djm 1130: error("You must specify a path after a %s command.",
1131: cmd);
1.97 djm 1132: return -1;
1.44 djm 1133: }
1.97 djm 1134: *path1 = xstrdup(argv[optidx]);
1135: /* Only "rm" globs */
1136: if (cmdnum != I_RM)
1137: undo_glob_escape(*path1);
1.44 djm 1138: break;
1.100 djm 1139: case I_DF:
1140: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1141: iflag)) == -1)
1142: return -1;
1143: /* Default to current directory if no path specified */
1144: if (argc - optidx < 1)
1145: *path1 = NULL;
1146: else {
1147: *path1 = xstrdup(argv[optidx]);
1148: undo_glob_escape(*path1);
1149: }
1150: break;
1.44 djm 1151: case I_LS:
1.97 djm 1152: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1153: return(-1);
1154: /* Path is optional */
1.97 djm 1155: if (argc - optidx > 0)
1156: *path1 = xstrdup(argv[optidx]);
1.44 djm 1157: break;
1158: case I_LLS:
1.98 djm 1159: /* Skip ls command and following whitespace */
1160: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1161: case I_SHELL:
1162: /* Uses the rest of the line */
1163: break;
1164: case I_LUMASK:
1165: case I_CHMOD:
1166: base = 8;
1167: case I_CHOWN:
1168: case I_CHGRP:
1169: /* Get numeric arg (mandatory) */
1.97 djm 1170: if (argc - optidx < 1)
1171: goto need_num_arg;
1.93 ray 1172: errno = 0;
1.97 djm 1173: l = strtol(argv[optidx], &cp2, base);
1174: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1175: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1176: l < 0) {
1177: need_num_arg:
1.44 djm 1178: error("You must supply a numeric argument "
1179: "to the %s command.", cmd);
1.97 djm 1180: return -1;
1.44 djm 1181: }
1182: *n_arg = l;
1.97 djm 1183: if (cmdnum == I_LUMASK)
1.44 djm 1184: break;
1185: /* Get pathname (mandatory) */
1.97 djm 1186: if (argc - optidx < 2) {
1.44 djm 1187: error("You must specify a path after a %s command.",
1188: cmd);
1.97 djm 1189: return -1;
1.44 djm 1190: }
1.97 djm 1191: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1192: break;
1193: case I_QUIT:
1194: case I_PWD:
1195: case I_LPWD:
1196: case I_HELP:
1197: case I_VERSION:
1198: case I_PROGRESS:
1199: break;
1200: default:
1201: fatal("Command not implemented");
1202: }
1203:
1204: *cpp = cp;
1205: return(cmdnum);
1206: }
1207:
1208: static int
1209: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1210: int err_abort)
1211: {
1212: char *path1, *path2, *tmp;
1.111 djm 1213: int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, cmdnum, i;
1.107 dtucker 1214: unsigned long n_arg = 0;
1.44 djm 1215: Attrib a, *aa;
1216: char path_buf[MAXPATHLEN];
1217: int err = 0;
1218: glob_t g;
1219:
1220: path1 = path2 = NULL;
1.111 djm 1221: cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag, &n_arg,
1.44 djm 1222: &path1, &path2);
1223:
1224: if (iflag != 0)
1225: err_abort = 0;
1226:
1227: memset(&g, 0, sizeof(g));
1228:
1229: /* Perform command */
1230: switch (cmdnum) {
1231: case 0:
1232: /* Blank line */
1233: break;
1234: case -1:
1235: /* Unrecognized command */
1236: err = -1;
1237: break;
1238: case I_GET:
1.111 djm 1239: err = process_get(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1240: break;
1241: case I_PUT:
1.111 djm 1242: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1243: break;
1244: case I_RENAME:
1245: path1 = make_absolute(path1, *pwd);
1246: path2 = make_absolute(path2, *pwd);
1247: err = do_rename(conn, path1, path2);
1248: break;
1249: case I_SYMLINK:
1250: path2 = make_absolute(path2, *pwd);
1251: err = do_symlink(conn, path1, path2);
1252: break;
1253: case I_RM:
1254: path1 = make_absolute(path1, *pwd);
1255: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1256: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1257: printf("Removing %s\n", g.gl_pathv[i]);
1258: err = do_rm(conn, g.gl_pathv[i]);
1259: if (err != 0 && err_abort)
1260: break;
1261: }
1262: break;
1263: case I_MKDIR:
1264: path1 = make_absolute(path1, *pwd);
1265: attrib_clear(&a);
1266: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1267: a.perm = 0777;
1.111 djm 1268: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1269: break;
1270: case I_RMDIR:
1271: path1 = make_absolute(path1, *pwd);
1272: err = do_rmdir(conn, path1);
1273: break;
1274: case I_CHDIR:
1275: path1 = make_absolute(path1, *pwd);
1276: if ((tmp = do_realpath(conn, path1)) == NULL) {
1277: err = 1;
1278: break;
1279: }
1280: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1281: xfree(tmp);
1282: err = 1;
1283: break;
1284: }
1285: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1286: error("Can't change directory: Can't check target");
1287: xfree(tmp);
1288: err = 1;
1289: break;
1290: }
1291: if (!S_ISDIR(aa->perm)) {
1292: error("Can't change directory: \"%s\" is not "
1293: "a directory", tmp);
1294: xfree(tmp);
1295: err = 1;
1296: break;
1297: }
1298: xfree(*pwd);
1299: *pwd = tmp;
1300: break;
1301: case I_LS:
1302: if (!path1) {
1303: do_globbed_ls(conn, *pwd, *pwd, lflag);
1304: break;
1305: }
1306:
1307: /* Strip pwd off beginning of non-absolute paths */
1308: tmp = NULL;
1309: if (*path1 != '/')
1310: tmp = *pwd;
1311:
1312: path1 = make_absolute(path1, *pwd);
1313: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1314: break;
1315: case I_DF:
1316: /* Default to current directory if no path specified */
1317: if (path1 == NULL)
1318: path1 = xstrdup(*pwd);
1319: path1 = make_absolute(path1, *pwd);
1320: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1321: break;
1322: case I_LCHDIR:
1323: if (chdir(path1) == -1) {
1324: error("Couldn't change local directory to "
1325: "\"%s\": %s", path1, strerror(errno));
1326: err = 1;
1327: }
1328: break;
1329: case I_LMKDIR:
1330: if (mkdir(path1, 0777) == -1) {
1331: error("Couldn't create local directory "
1332: "\"%s\": %s", path1, strerror(errno));
1333: err = 1;
1334: }
1335: break;
1336: case I_LLS:
1337: local_do_ls(cmd);
1338: break;
1339: case I_SHELL:
1340: local_do_shell(cmd);
1341: break;
1342: case I_LUMASK:
1343: umask(n_arg);
1344: printf("Local umask: %03lo\n", n_arg);
1345: break;
1346: case I_CHMOD:
1347: path1 = make_absolute(path1, *pwd);
1348: attrib_clear(&a);
1349: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1350: a.perm = n_arg;
1351: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1352: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1353: printf("Changing mode on %s\n", g.gl_pathv[i]);
1354: err = do_setstat(conn, g.gl_pathv[i], &a);
1355: if (err != 0 && err_abort)
1356: break;
1357: }
1358: break;
1359: case I_CHOWN:
1360: case I_CHGRP:
1361: path1 = make_absolute(path1, *pwd);
1362: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1363: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1364: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1365: if (err_abort) {
1366: err = -1;
1.44 djm 1367: break;
1.104 djm 1368: } else
1.44 djm 1369: continue;
1370: }
1371: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1372: error("Can't get current ownership of "
1373: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1374: if (err_abort) {
1375: err = -1;
1.44 djm 1376: break;
1.104 djm 1377: } else
1.44 djm 1378: continue;
1379: }
1380: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1381: if (cmdnum == I_CHOWN) {
1382: printf("Changing owner on %s\n", g.gl_pathv[i]);
1383: aa->uid = n_arg;
1384: } else {
1385: printf("Changing group on %s\n", g.gl_pathv[i]);
1386: aa->gid = n_arg;
1387: }
1388: err = do_setstat(conn, g.gl_pathv[i], aa);
1389: if (err != 0 && err_abort)
1390: break;
1391: }
1392: break;
1393: case I_PWD:
1394: printf("Remote working directory: %s\n", *pwd);
1395: break;
1396: case I_LPWD:
1397: if (!getcwd(path_buf, sizeof(path_buf))) {
1398: error("Couldn't get local cwd: %s", strerror(errno));
1399: err = -1;
1400: break;
1401: }
1402: printf("Local working directory: %s\n", path_buf);
1403: break;
1404: case I_QUIT:
1405: /* Processed below */
1406: break;
1407: case I_HELP:
1408: help();
1409: break;
1410: case I_VERSION:
1411: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1412: break;
1413: case I_PROGRESS:
1414: showprogress = !showprogress;
1415: if (showprogress)
1416: printf("Progress meter enabled\n");
1417: else
1418: printf("Progress meter disabled\n");
1419: break;
1420: default:
1421: fatal("%d is not implemented", cmdnum);
1422: }
1423:
1424: if (g.gl_pathc)
1425: globfree(&g);
1426: if (path1)
1427: xfree(path1);
1428: if (path2)
1429: xfree(path2);
1430:
1431: /* If an unignored error occurs in batch mode we should abort. */
1432: if (err_abort && err != 0)
1433: return (-1);
1434: else if (cmdnum == I_QUIT)
1435: return (1);
1436:
1437: return (0);
1438: }
1439:
1.57 djm 1440: static char *
1441: prompt(EditLine *el)
1442: {
1443: return ("sftp> ");
1444: }
1445:
1.44 djm 1446: int
1.112 djm 1447: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1448: {
1449: char *pwd;
1450: char *dir = NULL;
1451: char cmd[2048];
1.66 jaredy 1452: int err, interactive;
1.57 djm 1453: EditLine *el = NULL;
1454: History *hl = NULL;
1455: HistEvent hev;
1456: extern char *__progname;
1457:
1458: if (!batchmode && isatty(STDIN_FILENO)) {
1459: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1460: fatal("Couldn't initialise editline");
1461: if ((hl = history_init()) == NULL)
1462: fatal("Couldn't initialise editline history");
1463: history(hl, &hev, H_SETSIZE, 100);
1464: el_set(el, EL_HIST, history, hl);
1465:
1466: el_set(el, EL_PROMPT, prompt);
1467: el_set(el, EL_EDITOR, "emacs");
1468: el_set(el, EL_TERMINAL, NULL);
1469: el_set(el, EL_SIGNAL, 1);
1470: el_source(el, NULL);
1471: }
1.44 djm 1472:
1473: pwd = do_realpath(conn, ".");
1474: if (pwd == NULL)
1475: fatal("Need cwd");
1476:
1477: if (file1 != NULL) {
1478: dir = xstrdup(file1);
1479: dir = make_absolute(dir, pwd);
1480:
1481: if (remote_is_dir(conn, dir) && file2 == NULL) {
1482: printf("Changing to: %s\n", dir);
1483: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.58 markus 1484: if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
1485: xfree(dir);
1486: xfree(pwd);
1.76 djm 1487: xfree(conn);
1.44 djm 1488: return (-1);
1.58 markus 1489: }
1.44 djm 1490: } else {
1491: if (file2 == NULL)
1492: snprintf(cmd, sizeof cmd, "get %s", dir);
1493: else
1494: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1495: file2);
1496:
1497: err = parse_dispatch_command(conn, cmd, &pwd, 1);
1498: xfree(dir);
1499: xfree(pwd);
1.76 djm 1500: xfree(conn);
1.44 djm 1501: return (err);
1502: }
1503: xfree(dir);
1504: }
1505:
1506: setvbuf(stdout, NULL, _IOLBF, 0);
1507: setvbuf(infile, NULL, _IOLBF, 0);
1508:
1.66 jaredy 1509: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1510: err = 0;
1511: for (;;) {
1512: char *cp;
1.57 djm 1513: const char *line;
1514: int count = 0;
1.44 djm 1515:
1.46 djm 1516: signal(SIGINT, SIG_IGN);
1517:
1.57 djm 1518: if (el == NULL) {
1.66 jaredy 1519: if (interactive)
1520: printf("sftp> ");
1.57 djm 1521: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1522: if (interactive)
1523: printf("\n");
1.57 djm 1524: break;
1525: }
1.66 jaredy 1526: if (!interactive) { /* Echo command */
1527: printf("sftp> %s", cmd);
1528: if (strlen(cmd) > 0 &&
1529: cmd[strlen(cmd) - 1] != '\n')
1530: printf("\n");
1531: }
1.57 djm 1532: } else {
1.66 jaredy 1533: if ((line = el_gets(el, &count)) == NULL || count <= 0) {
1534: printf("\n");
1.57 djm 1535: break;
1.66 jaredy 1536: }
1.57 djm 1537: history(hl, &hev, H_ENTER, line);
1538: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1539: fprintf(stderr, "Error: input line too long\n");
1540: continue;
1541: }
1.44 djm 1542: }
1543:
1544: cp = strrchr(cmd, '\n');
1545: if (cp)
1546: *cp = '\0';
1547:
1.46 djm 1548: /* Handle user interrupts gracefully during commands */
1549: interrupted = 0;
1550: signal(SIGINT, cmd_interrupt);
1551:
1.44 djm 1552: err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
1553: if (err != 0)
1554: break;
1555: }
1556: xfree(pwd);
1.76 djm 1557: xfree(conn);
1.66 jaredy 1558:
1559: if (el != NULL)
1560: el_end(el);
1.44 djm 1561:
1562: /* err == 1 signifies normal "quit" exit */
1563: return (err >= 0 ? 0 : -1);
1564: }
1.34 fgsch 1565:
1.18 itojun 1566: static void
1.36 djm 1567: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1568: {
1569: int c_in, c_out;
1.30 deraadt 1570:
1.1 djm 1571: int inout[2];
1.30 deraadt 1572:
1.1 djm 1573: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1574: fatal("socketpair: %s", strerror(errno));
1575: *in = *out = inout[0];
1576: c_in = c_out = inout[1];
1577:
1.36 djm 1578: if ((sshpid = fork()) == -1)
1.1 djm 1579: fatal("fork: %s", strerror(errno));
1.36 djm 1580: else if (sshpid == 0) {
1.1 djm 1581: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1582: (dup2(c_out, STDOUT_FILENO) == -1)) {
1583: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1584: _exit(1);
1.1 djm 1585: }
1586: close(*in);
1587: close(*out);
1588: close(c_in);
1589: close(c_out);
1.46 djm 1590:
1591: /*
1592: * The underlying ssh is in the same process group, so we must
1.56 deraadt 1593: * ignore SIGINT if we want to gracefully abort commands,
1594: * otherwise the signal will make it to the ssh process and
1.46 djm 1595: * kill it too
1596: */
1597: signal(SIGINT, SIG_IGN);
1.49 dtucker 1598: execvp(path, args);
1.23 djm 1599: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 1600: _exit(1);
1.1 djm 1601: }
1602:
1.36 djm 1603: signal(SIGTERM, killchild);
1604: signal(SIGINT, killchild);
1605: signal(SIGHUP, killchild);
1.1 djm 1606: close(c_in);
1607: close(c_out);
1608: }
1609:
1.18 itojun 1610: static void
1.1 djm 1611: usage(void)
1612: {
1.25 mpech 1613: extern char *__progname;
1.27 markus 1614:
1.19 stevesk 1615: fprintf(stderr,
1.111 djm 1616: "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 1617: " [-D sftp_server_path] [-F ssh_config] "
1618: "[-i identity_file]\n"
1619: " [-o ssh_option] [-P port] [-R num_requests] "
1620: "[-S program]\n"
1.108 djm 1621: " [-s subsystem | sftp_server] host\n"
1.105 djm 1622: " %s [user@]host[:file ...]\n"
1623: " %s [user@]host[:dir[/]]\n"
1.108 djm 1624: " %s -b batchfile [user@]host\n",
1625: __progname, __progname, __progname, __progname);
1.1 djm 1626: exit(1);
1627: }
1628:
1.2 stevesk 1629: int
1.1 djm 1630: main(int argc, char **argv)
1631: {
1.33 djm 1632: int in, out, ch, err;
1.48 pedro 1633: char *host, *userhost, *cp, *file2 = NULL;
1.17 mouring 1634: int debug_level = 0, sshver = 2;
1635: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 1636: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.17 mouring 1637: LogLevel ll = SYSLOG_LEVEL_INFO;
1638: arglist args;
1.3 djm 1639: extern int optind;
1640: extern char *optarg;
1.112 djm 1641: struct sftp_conn *conn;
1642: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
1643: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.67 djm 1644:
1645: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
1646: sanitise_stdfd();
1.1 djm 1647:
1.70 djm 1648: memset(&args, '\0', sizeof(args));
1.17 mouring 1649: args.list = NULL;
1.80 djm 1650: addargs(&args, "%s", ssh_program);
1.17 mouring 1651: addargs(&args, "-oForwardX11 no");
1652: addargs(&args, "-oForwardAgent no");
1.69 reyk 1653: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 1654: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 1655:
1.17 mouring 1656: ll = SYSLOG_LEVEL_INFO;
1.40 djm 1657: infile = stdin;
1.3 djm 1658:
1.109 djm 1659: while ((ch = getopt(argc, argv,
1.111 djm 1660: "1246hqrvCc:D:i:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 1661: switch (ch) {
1.108 djm 1662: /* Passed through to ssh(1) */
1663: case '4':
1664: case '6':
1.3 djm 1665: case 'C':
1.108 djm 1666: addargs(&args, "-%c", ch);
1667: break;
1668: /* Passed through to ssh(1) with argument */
1669: case 'F':
1670: case 'c':
1671: case 'i':
1672: case 'o':
1.113 halex 1673: addargs(&args, "-%c", ch);
1674: addargs(&args, "%s", optarg);
1.108 djm 1675: break;
1676: case 'q':
1677: showprogress = 0;
1678: addargs(&args, "-%c", ch);
1.3 djm 1679: break;
1.109 djm 1680: case 'P':
1681: addargs(&args, "-oPort %s", optarg);
1682: break;
1.3 djm 1683: case 'v':
1.17 mouring 1684: if (debug_level < 3) {
1685: addargs(&args, "-v");
1686: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1687: }
1688: debug_level++;
1.3 djm 1689: break;
1.7 markus 1690: case '1':
1.17 mouring 1691: sshver = 1;
1.7 markus 1692: if (sftp_server == NULL)
1693: sftp_server = _PATH_SFTP_SERVER;
1694: break;
1.108 djm 1695: case '2':
1696: sshver = 2;
1.7 markus 1697: break;
1.108 djm 1698: case 'B':
1699: copy_buffer_len = strtol(optarg, &cp, 10);
1700: if (copy_buffer_len == 0 || *cp != '\0')
1701: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 1702: break;
1.10 deraadt 1703: case 'b':
1.39 djm 1704: if (batchmode)
1705: fatal("Batch file already specified.");
1706:
1707: /* Allow "-" as stdin */
1.56 deraadt 1708: if (strcmp(optarg, "-") != 0 &&
1.65 djm 1709: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 1710: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 1711: showprogress = 0;
1.39 djm 1712: batchmode = 1;
1.62 djm 1713: addargs(&args, "-obatchmode yes");
1.10 deraadt 1714: break;
1.111 djm 1715: case 'p':
1716: global_pflag = 1;
1717: break;
1.109 djm 1718: case 'D':
1.23 djm 1719: sftp_direct = optarg;
1.111 djm 1720: break;
1721: case 'r':
1722: global_rflag = 1;
1.24 djm 1723: break;
1.26 djm 1724: case 'R':
1725: num_requests = strtol(optarg, &cp, 10);
1726: if (num_requests == 0 || *cp != '\0')
1.27 markus 1727: fatal("Invalid number of requests \"%s\"",
1.26 djm 1728: optarg);
1.108 djm 1729: break;
1730: case 's':
1731: sftp_server = optarg;
1732: break;
1733: case 'S':
1734: ssh_program = optarg;
1735: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 1736: break;
1.3 djm 1737: case 'h':
1738: default:
1.1 djm 1739: usage();
1740: }
1741: }
1.45 djm 1742:
1743: if (!isatty(STDERR_FILENO))
1744: showprogress = 0;
1.1 djm 1745:
1.29 markus 1746: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1747:
1.23 djm 1748: if (sftp_direct == NULL) {
1749: if (optind == argc || argc > (optind + 2))
1750: usage();
1751:
1752: userhost = xstrdup(argv[optind]);
1753: file2 = argv[optind+1];
1.1 djm 1754:
1.32 markus 1755: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 1756: host = userhost;
1757: else {
1758: *host++ = '\0';
1759: if (!userhost[0]) {
1760: fprintf(stderr, "Missing username\n");
1761: usage();
1762: }
1.115 ! guenther 1763: addargs(&args, "-l");
! 1764: addargs(&args, "%s", userhost);
1.41 djm 1765: }
1766:
1767: if ((cp = colon(host)) != NULL) {
1768: *cp++ = '\0';
1769: file1 = cp;
1.23 djm 1770: }
1.3 djm 1771:
1.23 djm 1772: host = cleanhostname(host);
1773: if (!*host) {
1774: fprintf(stderr, "Missing hostname\n");
1.1 djm 1775: usage();
1776: }
1777:
1.23 djm 1778: addargs(&args, "-oProtocol %d", sshver);
1779:
1780: /* no subsystem if the server-spec contains a '/' */
1781: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1782: addargs(&args, "-s");
1783:
1.115 ! guenther 1784: addargs(&args, "--");
1.23 djm 1785: addargs(&args, "%s", host);
1.27 markus 1786: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 1787: sftp_server : "sftp"));
1788:
1.36 djm 1789: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 1790: } else {
1791: args.list = NULL;
1792: addargs(&args, "sftp-server");
1793:
1.36 djm 1794: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 1795: }
1.70 djm 1796: freeargs(&args);
1.1 djm 1797:
1.112 djm 1798: conn = do_init(in, out, copy_buffer_len, num_requests);
1799: if (conn == NULL)
1800: fatal("Couldn't initialise connection to server");
1801:
1802: if (!batchmode) {
1803: if (sftp_direct == NULL)
1804: fprintf(stderr, "Connected to %s.\n", host);
1805: else
1806: fprintf(stderr, "Attached to %s.\n", sftp_direct);
1807: }
1808:
1809: err = interactive_loop(conn, file1, file2);
1.1 djm 1810:
1811: close(in);
1812: close(out);
1.39 djm 1813: if (batchmode)
1.10 deraadt 1814: fclose(infile);
1.1 djm 1815:
1.28 markus 1816: while (waitpid(sshpid, NULL, 0) == -1)
1817: if (errno != EINTR)
1818: fatal("Couldn't wait for ssh process: %s",
1819: strerror(errno));
1.1 djm 1820:
1.33 djm 1821: exit(err == 0 ? 0 : 1);
1.1 djm 1822: }