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1.116 ! djm 1: /* $OpenBSD: sftp.c,v 1.115 2009/12/20 07:28:36 guenther 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:
1.116 ! djm 77: /* Context used for commandline completion */
! 78: struct complete_ctx {
! 79: struct sftp_conn *conn;
! 80: char **remote_pathp;
! 81: };
! 82:
1.44 djm 83: int remote_glob(struct sftp_conn *, const char *, int,
84: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
85:
86: /* Separators for interactive commands */
87: #define WHITESPACE " \t\r\n"
88:
1.52 djm 89: /* ls flags */
1.53 djm 90: #define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
91: #define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
92: #define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
93: #define LS_NAME_SORT 0x08 /* Sort by name (default) */
94: #define LS_TIME_SORT 0x10 /* Sort by mtime */
95: #define LS_SIZE_SORT 0x20 /* Sort by file size */
96: #define LS_REVERSE_SORT 0x40 /* Reverse sort order */
1.54 djm 97: #define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
1.52 djm 98:
1.53 djm 99: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
100: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 101:
102: /* Commands for interactive mode */
103: #define I_CHDIR 1
104: #define I_CHGRP 2
105: #define I_CHMOD 3
106: #define I_CHOWN 4
1.100 djm 107: #define I_DF 24
1.44 djm 108: #define I_GET 5
109: #define I_HELP 6
110: #define I_LCHDIR 7
111: #define I_LLS 8
112: #define I_LMKDIR 9
113: #define I_LPWD 10
114: #define I_LS 11
115: #define I_LUMASK 12
116: #define I_MKDIR 13
117: #define I_PUT 14
118: #define I_PWD 15
119: #define I_QUIT 16
120: #define I_RENAME 17
121: #define I_RM 18
122: #define I_RMDIR 19
123: #define I_SHELL 20
124: #define I_SYMLINK 21
125: #define I_VERSION 22
126: #define I_PROGRESS 23
127:
128: struct CMD {
129: const char *c;
130: const int n;
1.116 ! djm 131: const int t;
1.44 djm 132: };
133:
1.116 ! djm 134: /* Type of completion */
! 135: #define NOARGS 0
! 136: #define REMOTE 1
! 137: #define LOCAL 2
! 138:
1.44 djm 139: static const struct CMD cmds[] = {
1.116 ! djm 140: { "bye", I_QUIT, NOARGS },
! 141: { "cd", I_CHDIR, REMOTE },
! 142: { "chdir", I_CHDIR, REMOTE },
! 143: { "chgrp", I_CHGRP, REMOTE },
! 144: { "chmod", I_CHMOD, REMOTE },
! 145: { "chown", I_CHOWN, REMOTE },
! 146: { "df", I_DF, REMOTE },
! 147: { "dir", I_LS, REMOTE },
! 148: { "exit", I_QUIT, NOARGS },
! 149: { "get", I_GET, REMOTE },
! 150: { "help", I_HELP, NOARGS },
! 151: { "lcd", I_LCHDIR, LOCAL },
! 152: { "lchdir", I_LCHDIR, LOCAL },
! 153: { "lls", I_LLS, LOCAL },
! 154: { "lmkdir", I_LMKDIR, LOCAL },
! 155: { "ln", I_SYMLINK, REMOTE },
! 156: { "lpwd", I_LPWD, LOCAL },
! 157: { "ls", I_LS, REMOTE },
! 158: { "lumask", I_LUMASK, NOARGS },
! 159: { "mkdir", I_MKDIR, REMOTE },
! 160: { "progress", I_PROGRESS, NOARGS },
! 161: { "put", I_PUT, LOCAL },
! 162: { "pwd", I_PWD, REMOTE },
! 163: { "quit", I_QUIT, NOARGS },
! 164: { "rename", I_RENAME, REMOTE },
! 165: { "rm", I_RM, REMOTE },
! 166: { "rmdir", I_RMDIR, REMOTE },
! 167: { "symlink", I_SYMLINK, REMOTE },
! 168: { "version", I_VERSION, NOARGS },
! 169: { "!", I_SHELL, NOARGS },
! 170: { "?", I_HELP, NOARGS },
! 171: { NULL, -1, -1 }
1.44 djm 172: };
173:
1.112 djm 174: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 175:
1.96 stevesk 176: /* ARGSUSED */
1.44 djm 177: static void
1.46 djm 178: killchild(int signo)
179: {
1.61 dtucker 180: if (sshpid > 1) {
1.46 djm 181: kill(sshpid, SIGTERM);
1.61 dtucker 182: waitpid(sshpid, NULL, 0);
183: }
1.46 djm 184:
185: _exit(1);
186: }
187:
1.96 stevesk 188: /* ARGSUSED */
1.46 djm 189: static void
190: cmd_interrupt(int signo)
191: {
192: const char msg[] = "\rInterrupt \n";
1.59 djm 193: int olderrno = errno;
1.46 djm 194:
195: write(STDERR_FILENO, msg, sizeof(msg) - 1);
196: interrupted = 1;
1.59 djm 197: errno = olderrno;
1.46 djm 198: }
199:
200: static void
1.44 djm 201: help(void)
202: {
1.106 sobrado 203: printf("Available commands:\n"
204: "bye Quit sftp\n"
205: "cd path Change remote directory to 'path'\n"
206: "chgrp grp path Change group of file 'path' to 'grp'\n"
207: "chmod mode path Change permissions of file 'path' to 'mode'\n"
208: "chown own path Change owner of file 'path' to 'own'\n"
209: "df [-hi] [path] Display statistics for current directory or\n"
210: " filesystem containing 'path'\n"
211: "exit Quit sftp\n"
1.111 djm 212: "get [-Pr] remote-path [local-path] Download file\n"
1.106 sobrado 213: "help Display this help text\n"
214: "lcd path Change local directory to 'path'\n"
215: "lls [ls-options [path]] Display local directory listing\n"
216: "lmkdir path Create local directory\n"
217: "ln oldpath newpath Symlink remote file\n"
218: "lpwd Print local working directory\n"
219: "ls [-1aflnrSt] [path] Display remote directory listing\n"
220: "lumask umask Set local umask to 'umask'\n"
221: "mkdir path Create remote directory\n"
222: "progress Toggle display of progress meter\n"
1.111 djm 223: "put [-Pr] local-path [remote-path] Upload file\n"
1.106 sobrado 224: "pwd Display remote working directory\n"
225: "quit Quit sftp\n"
226: "rename oldpath newpath Rename remote file\n"
227: "rm path Delete remote file\n"
228: "rmdir path Remove remote directory\n"
229: "symlink oldpath newpath Symlink remote file\n"
230: "version Show SFTP version\n"
231: "!command Execute 'command' in local shell\n"
232: "! Escape to local shell\n"
233: "? Synonym for help\n");
1.44 djm 234: }
235:
236: static void
237: local_do_shell(const char *args)
238: {
239: int status;
240: char *shell;
241: pid_t pid;
242:
243: if (!*args)
244: args = NULL;
245:
246: if ((shell = getenv("SHELL")) == NULL)
247: shell = _PATH_BSHELL;
248:
249: if ((pid = fork()) == -1)
250: fatal("Couldn't fork: %s", strerror(errno));
251:
252: if (pid == 0) {
253: /* XXX: child has pipe fds to ssh subproc open - issue? */
254: if (args) {
255: debug3("Executing %s -c \"%s\"", shell, args);
256: execl(shell, shell, "-c", args, (char *)NULL);
257: } else {
258: debug3("Executing %s", shell);
259: execl(shell, shell, (char *)NULL);
260: }
261: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
262: strerror(errno));
263: _exit(1);
264: }
265: while (waitpid(pid, &status, 0) == -1)
266: if (errno != EINTR)
267: fatal("Couldn't wait for child: %s", strerror(errno));
268: if (!WIFEXITED(status))
1.78 djm 269: error("Shell exited abnormally");
1.44 djm 270: else if (WEXITSTATUS(status))
271: error("Shell exited with status %d", WEXITSTATUS(status));
272: }
273:
274: static void
275: local_do_ls(const char *args)
276: {
277: if (!args || !*args)
278: local_do_shell(_PATH_LS);
279: else {
280: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
281: char *buf = xmalloc(len);
282:
283: /* XXX: quoting - rip quoting code from ftp? */
284: snprintf(buf, len, _PATH_LS " %s", args);
285: local_do_shell(buf);
286: xfree(buf);
287: }
288: }
289:
290: /* Strip one path (usually the pwd) from the start of another */
291: static char *
292: path_strip(char *path, char *strip)
293: {
294: size_t len;
295:
296: if (strip == NULL)
297: return (xstrdup(path));
298:
299: len = strlen(strip);
1.59 djm 300: if (strncmp(path, strip, len) == 0) {
1.44 djm 301: if (strip[len - 1] != '/' && path[len] == '/')
302: len++;
303: return (xstrdup(path + len));
304: }
305:
306: return (xstrdup(path));
307: }
308:
309: static char *
310: make_absolute(char *p, char *pwd)
311: {
1.51 avsm 312: char *abs_str;
1.44 djm 313:
314: /* Derelativise */
315: if (p && p[0] != '/') {
1.51 avsm 316: abs_str = path_append(pwd, p);
1.44 djm 317: xfree(p);
1.51 avsm 318: return(abs_str);
1.44 djm 319: } else
320: return(p);
321: }
322:
323: static int
1.111 djm 324: parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
325: int *rflag)
1.44 djm 326: {
1.102 martynas 327: extern int opterr, optind, optopt, optreset;
1.97 djm 328: int ch;
1.44 djm 329:
1.97 djm 330: optind = optreset = 1;
331: opterr = 0;
332:
1.111 djm 333: *rflag = *pflag = 0;
334: while ((ch = getopt(argc, argv, "PpRr")) != -1) {
1.97 djm 335: switch (ch) {
1.44 djm 336: case 'p':
337: case 'P':
338: *pflag = 1;
339: break;
1.111 djm 340: case 'r':
341: case 'R':
342: *rflag = 1;
343: break;
1.44 djm 344: default:
1.102 martynas 345: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 346: return -1;
1.44 djm 347: }
348: }
349:
1.97 djm 350: return optind;
1.44 djm 351: }
352:
353: static int
1.97 djm 354: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 355: {
1.102 martynas 356: extern int opterr, optind, optopt, optreset;
1.97 djm 357: int ch;
358:
359: optind = optreset = 1;
360: opterr = 0;
1.44 djm 361:
1.53 djm 362: *lflag = LS_NAME_SORT;
1.97 djm 363: while ((ch = getopt(argc, argv, "1Saflnrt")) != -1) {
364: switch (ch) {
365: case '1':
366: *lflag &= ~VIEW_FLAGS;
367: *lflag |= LS_SHORT_VIEW;
368: break;
369: case 'S':
370: *lflag &= ~SORT_FLAGS;
371: *lflag |= LS_SIZE_SORT;
372: break;
373: case 'a':
374: *lflag |= LS_SHOW_ALL;
375: break;
376: case 'f':
377: *lflag &= ~SORT_FLAGS;
378: break;
379: case 'l':
380: *lflag &= ~VIEW_FLAGS;
381: *lflag |= LS_LONG_VIEW;
382: break;
383: case 'n':
384: *lflag &= ~VIEW_FLAGS;
385: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
386: break;
387: case 'r':
388: *lflag |= LS_REVERSE_SORT;
389: break;
390: case 't':
391: *lflag &= ~SORT_FLAGS;
392: *lflag |= LS_TIME_SORT;
393: break;
394: default:
1.102 martynas 395: error("ls: Invalid flag -%c", optopt);
1.97 djm 396: return -1;
1.44 djm 397: }
398: }
399:
1.97 djm 400: return optind;
1.44 djm 401: }
402:
403: static int
1.100 djm 404: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
405: {
1.102 martynas 406: extern int opterr, optind, optopt, optreset;
1.100 djm 407: int ch;
408:
409: optind = optreset = 1;
410: opterr = 0;
411:
412: *hflag = *iflag = 0;
413: while ((ch = getopt(argc, argv, "hi")) != -1) {
414: switch (ch) {
415: case 'h':
416: *hflag = 1;
417: break;
418: case 'i':
419: *iflag = 1;
420: break;
421: default:
1.102 martynas 422: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 423: return -1;
424: }
425: }
426:
427: return optind;
428: }
429:
430: static int
1.44 djm 431: is_dir(char *path)
432: {
433: struct stat sb;
434:
435: /* XXX: report errors? */
436: if (stat(path, &sb) == -1)
437: return(0);
438:
1.92 otto 439: return(S_ISDIR(sb.st_mode));
1.44 djm 440: }
441:
442: static int
443: remote_is_dir(struct sftp_conn *conn, char *path)
444: {
445: Attrib *a;
446:
447: /* XXX: report errors? */
448: if ((a = do_stat(conn, path, 1)) == NULL)
449: return(0);
450: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
451: return(0);
1.92 otto 452: return(S_ISDIR(a->perm));
1.44 djm 453: }
454:
1.111 djm 455: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
456: static int
457: pathname_is_dir(char *pathname)
458: {
459: size_t l = strlen(pathname);
460:
461: return l > 0 && pathname[l - 1] == '/';
462: }
463:
1.44 djm 464: static int
1.111 djm 465: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
466: int pflag, int rflag)
1.44 djm 467: {
468: char *abs_src = NULL;
469: char *abs_dst = NULL;
470: glob_t g;
1.111 djm 471: char *filename, *tmp=NULL;
472: int i, err = 0;
1.44 djm 473:
474: abs_src = xstrdup(src);
475: abs_src = make_absolute(abs_src, pwd);
1.111 djm 476: memset(&g, 0, sizeof(g));
1.44 djm 477:
478: debug3("Looking up %s", abs_src);
1.111 djm 479: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 480: error("File \"%s\" not found.", abs_src);
481: err = -1;
482: goto out;
483: }
484:
1.111 djm 485: /*
486: * If multiple matches then dst must be a directory or
487: * unspecified.
488: */
489: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
490: error("Multiple source paths, but destination "
491: "\"%s\" is not a directory", dst);
1.44 djm 492: err = -1;
493: goto out;
494: }
495:
1.46 djm 496: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 497: tmp = xstrdup(g.gl_pathv[i]);
498: if ((filename = basename(tmp)) == NULL) {
499: error("basename %s: %s", tmp, strerror(errno));
500: xfree(tmp);
1.44 djm 501: err = -1;
502: goto out;
503: }
504:
505: if (g.gl_matchc == 1 && dst) {
506: if (is_dir(dst)) {
1.111 djm 507: abs_dst = path_append(dst, filename);
508: } else {
1.44 djm 509: abs_dst = xstrdup(dst);
1.111 djm 510: }
1.44 djm 511: } else if (dst) {
1.111 djm 512: abs_dst = path_append(dst, filename);
513: } else {
514: abs_dst = xstrdup(filename);
515: }
516: xfree(tmp);
1.44 djm 517:
518: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 519: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
520: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
521: pflag || global_pflag, 1) == -1)
522: err = -1;
523: } else {
524: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
525: pflag || global_pflag) == -1)
526: err = -1;
527: }
1.44 djm 528: xfree(abs_dst);
529: abs_dst = NULL;
530: }
531:
532: out:
533: xfree(abs_src);
534: globfree(&g);
535: return(err);
536: }
537:
538: static int
1.111 djm 539: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
540: int pflag, int rflag)
1.44 djm 541: {
542: char *tmp_dst = NULL;
543: char *abs_dst = NULL;
1.111 djm 544: char *tmp = NULL, *filename = NULL;
1.44 djm 545: glob_t g;
546: int err = 0;
1.111 djm 547: int i, dst_is_dir = 1;
1.99 djm 548: struct stat sb;
1.44 djm 549:
550: if (dst) {
551: tmp_dst = xstrdup(dst);
552: tmp_dst = make_absolute(tmp_dst, pwd);
553: }
554:
555: memset(&g, 0, sizeof(g));
556: debug3("Looking up %s", src);
1.111 djm 557: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 558: error("File \"%s\" not found.", src);
559: err = -1;
560: goto out;
561: }
562:
1.111 djm 563: /* If we aren't fetching to pwd then stash this status for later */
564: if (tmp_dst != NULL)
565: dst_is_dir = remote_is_dir(conn, tmp_dst);
566:
1.44 djm 567: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 568: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
569: error("Multiple paths match, but destination "
570: "\"%s\" is not a directory", tmp_dst);
1.44 djm 571: err = -1;
572: goto out;
573: }
574:
1.46 djm 575: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 576: if (stat(g.gl_pathv[i], &sb) == -1) {
577: err = -1;
578: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
579: continue;
580: }
1.111 djm 581:
582: tmp = xstrdup(g.gl_pathv[i]);
583: if ((filename = basename(tmp)) == NULL) {
584: error("basename %s: %s", tmp, strerror(errno));
585: xfree(tmp);
1.44 djm 586: err = -1;
587: goto out;
588: }
589:
590: if (g.gl_matchc == 1 && tmp_dst) {
591: /* If directory specified, append filename */
1.111 djm 592: if (dst_is_dir)
593: abs_dst = path_append(tmp_dst, filename);
594: else
1.44 djm 595: abs_dst = xstrdup(tmp_dst);
596: } else if (tmp_dst) {
1.111 djm 597: abs_dst = path_append(tmp_dst, filename);
598: } else {
599: abs_dst = make_absolute(xstrdup(filename), pwd);
600: }
601: xfree(tmp);
1.44 djm 602:
603: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 604: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
605: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
606: pflag || global_pflag, 1) == -1)
607: err = -1;
608: } else {
609: if (do_upload(conn, g.gl_pathv[i], abs_dst,
610: pflag || global_pflag) == -1)
611: err = -1;
612: }
1.44 djm 613: }
614:
615: out:
616: if (abs_dst)
617: xfree(abs_dst);
618: if (tmp_dst)
619: xfree(tmp_dst);
620: globfree(&g);
621: return(err);
622: }
623:
624: static int
625: sdirent_comp(const void *aa, const void *bb)
626: {
627: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
628: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 629: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 630:
1.52 djm 631: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 632: if (sort_flag & LS_NAME_SORT)
1.52 djm 633: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 634: else if (sort_flag & LS_TIME_SORT)
1.52 djm 635: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 636: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 637: return (rmul * NCMP(a->a.size, b->a.size));
638:
639: fatal("Unknown ls sort type");
1.44 djm 640: }
641:
642: /* sftp ls.1 replacement for directories */
643: static int
644: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
645: {
1.64 djm 646: int n;
647: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 648: SFTP_DIRENT **d;
649:
650: if ((n = do_readdir(conn, path, &d)) != 0)
651: return (n);
652:
1.53 djm 653: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 654: u_int m = 0, width = 80;
1.44 djm 655: struct winsize ws;
656: char *tmp;
657:
658: /* Count entries for sort and find longest filename */
1.54 djm 659: for (n = 0; d[n] != NULL; n++) {
660: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
661: m = MAX(m, strlen(d[n]->filename));
662: }
1.44 djm 663:
664: /* Add any subpath that also needs to be counted */
665: tmp = path_strip(path, strip_path);
666: m += strlen(tmp);
667: xfree(tmp);
668:
669: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
670: width = ws.ws_col;
671:
672: columns = width / (m + 2);
673: columns = MAX(columns, 1);
674: colspace = width / columns;
675: colspace = MIN(colspace, width);
676: }
677:
1.52 djm 678: if (lflag & SORT_FLAGS) {
1.68 dtucker 679: for (n = 0; d[n] != NULL; n++)
680: ; /* count entries */
1.53 djm 681: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 682: qsort(d, n, sizeof(*d), sdirent_comp);
683: }
1.44 djm 684:
1.46 djm 685: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 686: char *tmp, *fname;
1.54 djm 687:
688: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
689: continue;
1.44 djm 690:
691: tmp = path_append(path, d[n]->filename);
692: fname = path_strip(tmp, strip_path);
693: xfree(tmp);
694:
1.53 djm 695: if (lflag & LS_LONG_VIEW) {
696: if (lflag & LS_NUMERIC_VIEW) {
1.50 djm 697: char *lname;
698: struct stat sb;
699:
700: memset(&sb, 0, sizeof(sb));
701: attrib_to_stat(&d[n]->a, &sb);
702: lname = ls_file(fname, &sb, 1);
703: printf("%s\n", lname);
704: xfree(lname);
705: } else
706: printf("%s\n", d[n]->longname);
1.44 djm 707: } else {
708: printf("%-*s", colspace, fname);
709: if (c >= columns) {
710: printf("\n");
711: c = 1;
712: } else
713: c++;
714: }
715:
716: xfree(fname);
717: }
718:
1.53 djm 719: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 720: printf("\n");
721:
722: free_sftp_dirents(d);
723: return (0);
724: }
725:
726: /* sftp ls.1 replacement which handles path globs */
727: static int
728: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
729: int lflag)
730: {
731: glob_t g;
1.64 djm 732: u_int i, c = 1, colspace = 0, columns = 1;
1.60 fgsch 733: Attrib *a = NULL;
1.44 djm 734:
735: memset(&g, 0, sizeof(g));
736:
737: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
1.60 fgsch 738: NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
739: if (g.gl_pathc)
740: globfree(&g);
1.44 djm 741: error("Can't ls: \"%s\" not found", path);
742: return (-1);
743: }
744:
1.46 djm 745: if (interrupted)
746: goto out;
747:
1.44 djm 748: /*
1.60 fgsch 749: * If the glob returns a single match and it is a directory,
750: * then just list its contents.
1.44 djm 751: */
1.60 fgsch 752: if (g.gl_matchc == 1) {
753: if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
1.44 djm 754: globfree(&g);
755: return (-1);
756: }
757: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
758: S_ISDIR(a->perm)) {
1.60 fgsch 759: int err;
760:
761: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
1.44 djm 762: globfree(&g);
1.60 fgsch 763: return (err);
1.44 djm 764: }
765: }
766:
1.53 djm 767: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 768: u_int m = 0, width = 80;
1.44 djm 769: struct winsize ws;
770:
771: /* Count entries for sort and find longest filename */
772: for (i = 0; g.gl_pathv[i]; i++)
773: m = MAX(m, strlen(g.gl_pathv[i]));
774:
775: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
776: width = ws.ws_col;
777:
778: columns = width / (m + 2);
779: columns = MAX(columns, 1);
780: colspace = width / columns;
781: }
782:
1.60 fgsch 783: for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
1.44 djm 784: char *fname;
785:
786: fname = path_strip(g.gl_pathv[i], strip_path);
787:
1.53 djm 788: if (lflag & LS_LONG_VIEW) {
1.44 djm 789: char *lname;
790: struct stat sb;
791:
792: /*
793: * XXX: this is slow - 1 roundtrip per path
794: * A solution to this is to fork glob() and
795: * build a sftp specific version which keeps the
796: * attribs (which currently get thrown away)
797: * that the server returns as well as the filenames.
798: */
799: memset(&sb, 0, sizeof(sb));
1.60 fgsch 800: if (a == NULL)
801: a = do_lstat(conn, g.gl_pathv[i], 1);
1.44 djm 802: if (a != NULL)
803: attrib_to_stat(a, &sb);
804: lname = ls_file(fname, &sb, 1);
805: printf("%s\n", lname);
806: xfree(lname);
807: } else {
808: printf("%-*s", colspace, fname);
809: if (c >= columns) {
810: printf("\n");
811: c = 1;
812: } else
813: c++;
814: }
815: xfree(fname);
816: }
817:
1.53 djm 818: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 819: printf("\n");
820:
1.46 djm 821: out:
1.44 djm 822: if (g.gl_pathc)
823: globfree(&g);
824:
825: return (0);
826: }
827:
1.100 djm 828: static int
829: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
830: {
1.101 dtucker 831: struct sftp_statvfs st;
1.100 djm 832: char s_used[FMT_SCALED_STRSIZE];
833: char s_avail[FMT_SCALED_STRSIZE];
834: char s_root[FMT_SCALED_STRSIZE];
835: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 836: unsigned long long ffree;
1.100 djm 837:
838: if (do_statvfs(conn, path, &st, 1) == -1)
839: return -1;
840: if (iflag) {
1.114 dtucker 841: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 842: printf(" Inodes Used Avail "
843: "(root) %%Capacity\n");
844: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
845: (unsigned long long)st.f_files,
846: (unsigned long long)(st.f_files - st.f_ffree),
847: (unsigned long long)st.f_favail,
1.114 dtucker 848: (unsigned long long)st.f_ffree, ffree);
1.100 djm 849: } else if (hflag) {
850: strlcpy(s_used, "error", sizeof(s_used));
851: strlcpy(s_avail, "error", sizeof(s_avail));
852: strlcpy(s_root, "error", sizeof(s_root));
853: strlcpy(s_total, "error", sizeof(s_total));
854: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
855: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
856: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
857: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
858: printf(" Size Used Avail (root) %%Capacity\n");
859: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
860: s_total, s_used, s_avail, s_root,
861: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
862: st.f_blocks));
863: } else {
864: printf(" Size Used Avail "
865: "(root) %%Capacity\n");
866: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
867: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
868: (unsigned long long)(st.f_frsize *
869: (st.f_blocks - st.f_bfree) / 1024),
870: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
871: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
872: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
873: st.f_blocks));
874: }
875: return 0;
876: }
877:
1.97 djm 878: /*
879: * Undo escaping of glob sequences in place. Used to undo extra escaping
880: * applied in makeargv() when the string is destined for a function that
881: * does not glob it.
882: */
883: static void
884: undo_glob_escape(char *s)
885: {
886: size_t i, j;
887:
888: for (i = j = 0;;) {
889: if (s[i] == '\0') {
890: s[j] = '\0';
891: return;
892: }
893: if (s[i] != '\\') {
894: s[j++] = s[i++];
895: continue;
896: }
897: /* s[i] == '\\' */
898: ++i;
899: switch (s[i]) {
900: case '?':
901: case '[':
902: case '*':
903: case '\\':
904: s[j++] = s[i++];
905: break;
906: case '\0':
907: s[j++] = '\\';
908: s[j] = '\0';
909: return;
910: default:
911: s[j++] = '\\';
912: s[j++] = s[i++];
913: break;
914: }
915: }
916: }
917:
918: /*
919: * Split a string into an argument vector using sh(1)-style quoting,
920: * comment and escaping rules, but with some tweaks to handle glob(3)
921: * wildcards.
1.116 ! djm 922: * The "sloppy" flag allows for recovery from missing terminating quote, for
! 923: * use in parsing incomplete commandlines during tab autocompletion.
! 924: *
1.97 djm 925: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 ! djm 926: *
! 927: * If "lastquote" is not NULL, the quoting character used for the last
! 928: * argument is placed in *lastquote ("\0", "'" or "\"").
! 929: *
! 930: * If "terminated" is not NULL, *terminated will be set to 1 when the
! 931: * last argument's quote has been properly terminated or 0 otherwise.
! 932: * This parameter is only of use if "sloppy" is set.
1.97 djm 933: */
934: #define MAXARGS 128
935: #define MAXARGLEN 8192
936: static char **
1.116 ! djm 937: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
! 938: u_int *terminated)
1.97 djm 939: {
940: int argc, quot;
941: size_t i, j;
942: static char argvs[MAXARGLEN];
943: static char *argv[MAXARGS + 1];
944: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
945:
946: *argcp = argc = 0;
947: if (strlen(arg) > sizeof(argvs) - 1) {
948: args_too_longs:
949: error("string too long");
950: return NULL;
951: }
1.116 ! djm 952: if (terminated != NULL)
! 953: *terminated = 1;
! 954: if (lastquote != NULL)
! 955: *lastquote = '\0';
1.97 djm 956: state = MA_START;
957: i = j = 0;
958: for (;;) {
959: if (isspace(arg[i])) {
960: if (state == MA_UNQUOTED) {
961: /* Terminate current argument */
962: argvs[j++] = '\0';
963: argc++;
964: state = MA_START;
965: } else if (state != MA_START)
966: argvs[j++] = arg[i];
967: } else if (arg[i] == '"' || arg[i] == '\'') {
968: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
969: if (state == MA_START) {
970: argv[argc] = argvs + j;
971: state = q;
1.116 ! djm 972: if (lastquote != NULL)
! 973: *lastquote = arg[i];
1.97 djm 974: } else if (state == MA_UNQUOTED)
975: state = q;
976: else if (state == q)
977: state = MA_UNQUOTED;
978: else
979: argvs[j++] = arg[i];
980: } else if (arg[i] == '\\') {
981: if (state == MA_SQUOTE || state == MA_DQUOTE) {
982: quot = state == MA_SQUOTE ? '\'' : '"';
983: /* Unescape quote we are in */
984: /* XXX support \n and friends? */
985: if (arg[i + 1] == quot) {
986: i++;
987: argvs[j++] = arg[i];
988: } else if (arg[i + 1] == '?' ||
989: arg[i + 1] == '[' || arg[i + 1] == '*') {
990: /*
991: * Special case for sftp: append
992: * double-escaped glob sequence -
993: * glob will undo one level of
994: * escaping. NB. string can grow here.
995: */
996: if (j >= sizeof(argvs) - 5)
997: goto args_too_longs;
998: argvs[j++] = '\\';
999: argvs[j++] = arg[i++];
1000: argvs[j++] = '\\';
1001: argvs[j++] = arg[i];
1002: } else {
1003: argvs[j++] = arg[i++];
1004: argvs[j++] = arg[i];
1005: }
1006: } else {
1007: if (state == MA_START) {
1008: argv[argc] = argvs + j;
1009: state = MA_UNQUOTED;
1.116 ! djm 1010: if (lastquote != NULL)
! 1011: *lastquote = '\0';
1.97 djm 1012: }
1013: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1014: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1015: /*
1016: * Special case for sftp: append
1017: * escaped glob sequence -
1018: * glob will undo one level of
1019: * escaping.
1020: */
1021: argvs[j++] = arg[i++];
1022: argvs[j++] = arg[i];
1023: } else {
1024: /* Unescape everything */
1025: /* XXX support \n and friends? */
1026: i++;
1027: argvs[j++] = arg[i];
1028: }
1029: }
1030: } else if (arg[i] == '#') {
1031: if (state == MA_SQUOTE || state == MA_DQUOTE)
1032: argvs[j++] = arg[i];
1033: else
1034: goto string_done;
1035: } else if (arg[i] == '\0') {
1036: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 ! djm 1037: if (sloppy) {
! 1038: state = MA_UNQUOTED;
! 1039: if (terminated != NULL)
! 1040: *terminated = 0;
! 1041: goto string_done;
! 1042: }
1.97 djm 1043: error("Unterminated quoted argument");
1044: return NULL;
1045: }
1046: string_done:
1047: if (state == MA_UNQUOTED) {
1048: argvs[j++] = '\0';
1049: argc++;
1050: }
1051: break;
1052: } else {
1053: if (state == MA_START) {
1054: argv[argc] = argvs + j;
1055: state = MA_UNQUOTED;
1.116 ! djm 1056: if (lastquote != NULL)
! 1057: *lastquote = '\0';
1.97 djm 1058: }
1059: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1060: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1061: /*
1062: * Special case for sftp: escape quoted
1063: * glob(3) wildcards. NB. string can grow
1064: * here.
1065: */
1066: if (j >= sizeof(argvs) - 3)
1067: goto args_too_longs;
1068: argvs[j++] = '\\';
1069: argvs[j++] = arg[i];
1070: } else
1071: argvs[j++] = arg[i];
1072: }
1073: i++;
1074: }
1075: *argcp = argc;
1076: return argv;
1077: }
1078:
1.44 djm 1079: static int
1.116 ! djm 1080: parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag,
! 1081: int *hflag, unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1082: {
1083: const char *cmd, *cp = *cpp;
1.97 djm 1084: char *cp2, **argv;
1.44 djm 1085: int base = 0;
1086: long l;
1.97 djm 1087: int i, cmdnum, optidx, argc;
1.44 djm 1088:
1089: /* Skip leading whitespace */
1090: cp = cp + strspn(cp, WHITESPACE);
1091:
1092: /* Ignore blank lines and lines which begin with comment '#' char */
1093: if (*cp == '\0' || *cp == '#')
1094: return (0);
1095:
1096: /* Check for leading '-' (disable error processing) */
1097: *iflag = 0;
1098: if (*cp == '-') {
1099: *iflag = 1;
1100: cp++;
1101: }
1102:
1.116 ! djm 1103: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1104: return -1;
1105:
1.44 djm 1106: /* Figure out which command we have */
1.97 djm 1107: for (i = 0; cmds[i].c != NULL; i++) {
1108: if (strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1109: break;
1110: }
1111: cmdnum = cmds[i].n;
1112: cmd = cmds[i].c;
1113:
1114: /* Special case */
1115: if (*cp == '!') {
1116: cp++;
1117: cmdnum = I_SHELL;
1118: } else if (cmdnum == -1) {
1119: error("Invalid command.");
1.97 djm 1120: return -1;
1.44 djm 1121: }
1122:
1123: /* Get arguments and parse flags */
1.111 djm 1124: *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1125: *path1 = *path2 = NULL;
1.97 djm 1126: optidx = 1;
1.44 djm 1127: switch (cmdnum) {
1128: case I_GET:
1129: case I_PUT:
1.111 djm 1130: if ((optidx = parse_getput_flags(cmd, argv, argc, pflag, rflag)) == -1)
1.97 djm 1131: return -1;
1.44 djm 1132: /* Get first pathname (mandatory) */
1.97 djm 1133: if (argc - optidx < 1) {
1.44 djm 1134: error("You must specify at least one path after a "
1135: "%s command.", cmd);
1.97 djm 1136: return -1;
1137: }
1138: *path1 = xstrdup(argv[optidx]);
1139: /* Get second pathname (optional) */
1140: if (argc - optidx > 1) {
1141: *path2 = xstrdup(argv[optidx + 1]);
1142: /* Destination is not globbed */
1143: undo_glob_escape(*path2);
1.44 djm 1144: }
1145: break;
1146: case I_RENAME:
1147: case I_SYMLINK:
1.97 djm 1148: if (argc - optidx < 2) {
1.44 djm 1149: error("You must specify two paths after a %s "
1150: "command.", cmd);
1.97 djm 1151: return -1;
1.44 djm 1152: }
1.97 djm 1153: *path1 = xstrdup(argv[optidx]);
1154: *path2 = xstrdup(argv[optidx + 1]);
1155: /* Paths are not globbed */
1156: undo_glob_escape(*path1);
1157: undo_glob_escape(*path2);
1.44 djm 1158: break;
1159: case I_RM:
1160: case I_MKDIR:
1161: case I_RMDIR:
1162: case I_CHDIR:
1163: case I_LCHDIR:
1164: case I_LMKDIR:
1165: /* Get pathname (mandatory) */
1.97 djm 1166: if (argc - optidx < 1) {
1.44 djm 1167: error("You must specify a path after a %s command.",
1168: cmd);
1.97 djm 1169: return -1;
1.44 djm 1170: }
1.97 djm 1171: *path1 = xstrdup(argv[optidx]);
1172: /* Only "rm" globs */
1173: if (cmdnum != I_RM)
1174: undo_glob_escape(*path1);
1.44 djm 1175: break;
1.100 djm 1176: case I_DF:
1177: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1178: iflag)) == -1)
1179: return -1;
1180: /* Default to current directory if no path specified */
1181: if (argc - optidx < 1)
1182: *path1 = NULL;
1183: else {
1184: *path1 = xstrdup(argv[optidx]);
1185: undo_glob_escape(*path1);
1186: }
1187: break;
1.44 djm 1188: case I_LS:
1.97 djm 1189: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1190: return(-1);
1191: /* Path is optional */
1.97 djm 1192: if (argc - optidx > 0)
1193: *path1 = xstrdup(argv[optidx]);
1.44 djm 1194: break;
1195: case I_LLS:
1.98 djm 1196: /* Skip ls command and following whitespace */
1197: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1198: case I_SHELL:
1199: /* Uses the rest of the line */
1200: break;
1201: case I_LUMASK:
1202: case I_CHMOD:
1203: base = 8;
1204: case I_CHOWN:
1205: case I_CHGRP:
1206: /* Get numeric arg (mandatory) */
1.97 djm 1207: if (argc - optidx < 1)
1208: goto need_num_arg;
1.93 ray 1209: errno = 0;
1.97 djm 1210: l = strtol(argv[optidx], &cp2, base);
1211: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1212: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1213: l < 0) {
1214: need_num_arg:
1.44 djm 1215: error("You must supply a numeric argument "
1216: "to the %s command.", cmd);
1.97 djm 1217: return -1;
1.44 djm 1218: }
1219: *n_arg = l;
1.97 djm 1220: if (cmdnum == I_LUMASK)
1.44 djm 1221: break;
1222: /* Get pathname (mandatory) */
1.97 djm 1223: if (argc - optidx < 2) {
1.44 djm 1224: error("You must specify a path after a %s command.",
1225: cmd);
1.97 djm 1226: return -1;
1.44 djm 1227: }
1.97 djm 1228: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1229: break;
1230: case I_QUIT:
1231: case I_PWD:
1232: case I_LPWD:
1233: case I_HELP:
1234: case I_VERSION:
1235: case I_PROGRESS:
1236: break;
1237: default:
1238: fatal("Command not implemented");
1239: }
1240:
1241: *cpp = cp;
1242: return(cmdnum);
1243: }
1244:
1245: static int
1246: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1247: int err_abort)
1248: {
1249: char *path1, *path2, *tmp;
1.111 djm 1250: int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, cmdnum, i;
1.107 dtucker 1251: unsigned long n_arg = 0;
1.44 djm 1252: Attrib a, *aa;
1253: char path_buf[MAXPATHLEN];
1254: int err = 0;
1255: glob_t g;
1256:
1257: path1 = path2 = NULL;
1.111 djm 1258: cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag, &n_arg,
1.44 djm 1259: &path1, &path2);
1260:
1261: if (iflag != 0)
1262: err_abort = 0;
1263:
1264: memset(&g, 0, sizeof(g));
1265:
1266: /* Perform command */
1267: switch (cmdnum) {
1268: case 0:
1269: /* Blank line */
1270: break;
1271: case -1:
1272: /* Unrecognized command */
1273: err = -1;
1274: break;
1275: case I_GET:
1.111 djm 1276: err = process_get(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1277: break;
1278: case I_PUT:
1.111 djm 1279: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1280: break;
1281: case I_RENAME:
1282: path1 = make_absolute(path1, *pwd);
1283: path2 = make_absolute(path2, *pwd);
1284: err = do_rename(conn, path1, path2);
1285: break;
1286: case I_SYMLINK:
1287: path2 = make_absolute(path2, *pwd);
1288: err = do_symlink(conn, path1, path2);
1289: break;
1290: case I_RM:
1291: path1 = make_absolute(path1, *pwd);
1292: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1293: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1294: printf("Removing %s\n", g.gl_pathv[i]);
1295: err = do_rm(conn, g.gl_pathv[i]);
1296: if (err != 0 && err_abort)
1297: break;
1298: }
1299: break;
1300: case I_MKDIR:
1301: path1 = make_absolute(path1, *pwd);
1302: attrib_clear(&a);
1303: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1304: a.perm = 0777;
1.111 djm 1305: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1306: break;
1307: case I_RMDIR:
1308: path1 = make_absolute(path1, *pwd);
1309: err = do_rmdir(conn, path1);
1310: break;
1311: case I_CHDIR:
1312: path1 = make_absolute(path1, *pwd);
1313: if ((tmp = do_realpath(conn, path1)) == NULL) {
1314: err = 1;
1315: break;
1316: }
1317: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1318: xfree(tmp);
1319: err = 1;
1320: break;
1321: }
1322: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1323: error("Can't change directory: Can't check target");
1324: xfree(tmp);
1325: err = 1;
1326: break;
1327: }
1328: if (!S_ISDIR(aa->perm)) {
1329: error("Can't change directory: \"%s\" is not "
1330: "a directory", tmp);
1331: xfree(tmp);
1332: err = 1;
1333: break;
1334: }
1335: xfree(*pwd);
1336: *pwd = tmp;
1337: break;
1338: case I_LS:
1339: if (!path1) {
1340: do_globbed_ls(conn, *pwd, *pwd, lflag);
1341: break;
1342: }
1343:
1344: /* Strip pwd off beginning of non-absolute paths */
1345: tmp = NULL;
1346: if (*path1 != '/')
1347: tmp = *pwd;
1348:
1349: path1 = make_absolute(path1, *pwd);
1350: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1351: break;
1352: case I_DF:
1353: /* Default to current directory if no path specified */
1354: if (path1 == NULL)
1355: path1 = xstrdup(*pwd);
1356: path1 = make_absolute(path1, *pwd);
1357: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1358: break;
1359: case I_LCHDIR:
1360: if (chdir(path1) == -1) {
1361: error("Couldn't change local directory to "
1362: "\"%s\": %s", path1, strerror(errno));
1363: err = 1;
1364: }
1365: break;
1366: case I_LMKDIR:
1367: if (mkdir(path1, 0777) == -1) {
1368: error("Couldn't create local directory "
1369: "\"%s\": %s", path1, strerror(errno));
1370: err = 1;
1371: }
1372: break;
1373: case I_LLS:
1374: local_do_ls(cmd);
1375: break;
1376: case I_SHELL:
1377: local_do_shell(cmd);
1378: break;
1379: case I_LUMASK:
1380: umask(n_arg);
1381: printf("Local umask: %03lo\n", n_arg);
1382: break;
1383: case I_CHMOD:
1384: path1 = make_absolute(path1, *pwd);
1385: attrib_clear(&a);
1386: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1387: a.perm = n_arg;
1388: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1389: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1390: printf("Changing mode on %s\n", g.gl_pathv[i]);
1391: err = do_setstat(conn, g.gl_pathv[i], &a);
1392: if (err != 0 && err_abort)
1393: break;
1394: }
1395: break;
1396: case I_CHOWN:
1397: case I_CHGRP:
1398: path1 = make_absolute(path1, *pwd);
1399: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1400: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1401: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1402: if (err_abort) {
1403: err = -1;
1.44 djm 1404: break;
1.104 djm 1405: } else
1.44 djm 1406: continue;
1407: }
1408: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1409: error("Can't get current ownership of "
1410: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1411: if (err_abort) {
1412: err = -1;
1.44 djm 1413: break;
1.104 djm 1414: } else
1.44 djm 1415: continue;
1416: }
1417: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1418: if (cmdnum == I_CHOWN) {
1419: printf("Changing owner on %s\n", g.gl_pathv[i]);
1420: aa->uid = n_arg;
1421: } else {
1422: printf("Changing group on %s\n", g.gl_pathv[i]);
1423: aa->gid = n_arg;
1424: }
1425: err = do_setstat(conn, g.gl_pathv[i], aa);
1426: if (err != 0 && err_abort)
1427: break;
1428: }
1429: break;
1430: case I_PWD:
1431: printf("Remote working directory: %s\n", *pwd);
1432: break;
1433: case I_LPWD:
1434: if (!getcwd(path_buf, sizeof(path_buf))) {
1435: error("Couldn't get local cwd: %s", strerror(errno));
1436: err = -1;
1437: break;
1438: }
1439: printf("Local working directory: %s\n", path_buf);
1440: break;
1441: case I_QUIT:
1442: /* Processed below */
1443: break;
1444: case I_HELP:
1445: help();
1446: break;
1447: case I_VERSION:
1448: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1449: break;
1450: case I_PROGRESS:
1451: showprogress = !showprogress;
1452: if (showprogress)
1453: printf("Progress meter enabled\n");
1454: else
1455: printf("Progress meter disabled\n");
1456: break;
1457: default:
1458: fatal("%d is not implemented", cmdnum);
1459: }
1460:
1461: if (g.gl_pathc)
1462: globfree(&g);
1463: if (path1)
1464: xfree(path1);
1465: if (path2)
1466: xfree(path2);
1467:
1468: /* If an unignored error occurs in batch mode we should abort. */
1469: if (err_abort && err != 0)
1470: return (-1);
1471: else if (cmdnum == I_QUIT)
1472: return (1);
1473:
1474: return (0);
1475: }
1476:
1.57 djm 1477: static char *
1478: prompt(EditLine *el)
1479: {
1480: return ("sftp> ");
1481: }
1482:
1.116 ! djm 1483: /* Display entries in 'list' after skipping the first 'len' chars */
! 1484: static void
! 1485: complete_display(char **list, u_int len)
! 1486: {
! 1487: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
! 1488: struct winsize ws;
! 1489: char *tmp;
! 1490:
! 1491: /* Count entries for sort and find longest */
! 1492: for (y = 0; list[y]; y++)
! 1493: m = MAX(m, strlen(list[y]));
! 1494:
! 1495: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
! 1496: width = ws.ws_col;
! 1497:
! 1498: m = m > len ? m - len : 0;
! 1499: columns = width / (m + 2);
! 1500: columns = MAX(columns, 1);
! 1501: colspace = width / columns;
! 1502: colspace = MIN(colspace, width);
! 1503:
! 1504: printf("\n");
! 1505: m = 1;
! 1506: for (y = 0; list[y]; y++) {
! 1507: llen = strlen(list[y]);
! 1508: tmp = llen > len ? list[y] + len : "";
! 1509: printf("%-*s", colspace, tmp);
! 1510: if (m >= columns) {
! 1511: printf("\n");
! 1512: m = 1;
! 1513: } else
! 1514: m++;
! 1515: }
! 1516: printf("\n");
! 1517: }
! 1518:
! 1519: /*
! 1520: * Given a "list" of words that begin with a common prefix of "word",
! 1521: * attempt to find an autocompletion to extends "word" by the next
! 1522: * characters common to all entries in "list".
! 1523: */
! 1524: static char *
! 1525: complete_ambiguous(const char *word, char **list, size_t count)
! 1526: {
! 1527: if (word == NULL)
! 1528: return NULL;
! 1529:
! 1530: if (count > 0) {
! 1531: u_int y, matchlen = strlen(list[0]);
! 1532:
! 1533: /* Find length of common stem */
! 1534: for (y = 1; list[y]; y++) {
! 1535: u_int x;
! 1536:
! 1537: for (x = 0; x < matchlen; x++)
! 1538: if (list[0][x] != list[y][x])
! 1539: break;
! 1540:
! 1541: matchlen = x;
! 1542: }
! 1543:
! 1544: if (matchlen > strlen(word)) {
! 1545: char *tmp = xstrdup(list[0]);
! 1546:
! 1547: tmp[matchlen] = NULL;
! 1548: return tmp;
! 1549: }
! 1550: }
! 1551:
! 1552: return xstrdup(word);
! 1553: }
! 1554:
! 1555: /* Autocomplete a sftp command */
! 1556: static int
! 1557: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
! 1558: int terminated)
! 1559: {
! 1560: u_int y, count = 0, cmdlen, tmplen;
! 1561: char *tmp, **list, argterm[3];
! 1562: const LineInfo *lf;
! 1563:
! 1564: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
! 1565:
! 1566: /* No command specified: display all available commands */
! 1567: if (cmd == NULL) {
! 1568: for (y = 0; cmds[y].c; y++)
! 1569: list[count++] = xstrdup(cmds[y].c);
! 1570:
! 1571: list[count] = NULL;
! 1572: complete_display(list, 0);
! 1573:
! 1574: for (y = 0; list[y] != NULL; y++)
! 1575: xfree(list[y]);
! 1576: xfree(list);
! 1577: return count;
! 1578: }
! 1579:
! 1580: /* Prepare subset of commands that start with "cmd" */
! 1581: cmdlen = strlen(cmd);
! 1582: for (y = 0; cmds[y].c; y++) {
! 1583: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
! 1584: list[count++] = xstrdup(cmds[y].c);
! 1585: }
! 1586: list[count] = NULL;
! 1587:
! 1588: if (count == 0)
! 1589: return 0;
! 1590:
! 1591: /* Complete ambigious command */
! 1592: tmp = complete_ambiguous(cmd, list, count);
! 1593: if (count > 1)
! 1594: complete_display(list, 0);
! 1595:
! 1596: for (y = 0; list[y]; y++)
! 1597: xfree(list[y]);
! 1598: xfree(list);
! 1599:
! 1600: if (tmp != NULL) {
! 1601: tmplen = strlen(tmp);
! 1602: cmdlen = strlen(cmd);
! 1603: /* If cmd may be extended then do so */
! 1604: if (tmplen > cmdlen)
! 1605: if (el_insertstr(el, tmp + cmdlen) == -1)
! 1606: fatal("el_insertstr failed.");
! 1607: lf = el_line(el);
! 1608: /* Terminate argument cleanly */
! 1609: if (count == 1) {
! 1610: y = 0;
! 1611: if (!terminated)
! 1612: argterm[y++] = quote;
! 1613: if (lastarg || *(lf->cursor) != ' ')
! 1614: argterm[y++] = ' ';
! 1615: argterm[y] = '\0';
! 1616: if (y > 0 && el_insertstr(el, argterm) == -1)
! 1617: fatal("el_insertstr failed.");
! 1618: }
! 1619: xfree(tmp);
! 1620: }
! 1621:
! 1622: return count;
! 1623: }
! 1624:
! 1625: /*
! 1626: * Determine whether a particular sftp command's arguments (if any)
! 1627: * represent local or remote files.
! 1628: */
! 1629: static int
! 1630: complete_is_remote(char *cmd) {
! 1631: int i;
! 1632:
! 1633: if (cmd == NULL)
! 1634: return -1;
! 1635:
! 1636: for (i = 0; cmds[i].c; i++) {
! 1637: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
! 1638: return cmds[i].t;
! 1639: }
! 1640:
! 1641: return -1;
! 1642: }
! 1643:
! 1644: /* Autocomplete a filename "file" */
! 1645: static int
! 1646: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
! 1647: char *file, int remote, int lastarg, char quote, int terminated)
! 1648: {
! 1649: glob_t g;
! 1650: char *tmp, *tmp2, ins[3];
! 1651: u_int i, hadglob, pwdlen, len, tmplen, filelen;
! 1652: const LineInfo *lf;
! 1653:
! 1654: /* Glob from "file" location */
! 1655: if (file == NULL)
! 1656: tmp = xstrdup("*");
! 1657: else
! 1658: xasprintf(&tmp, "%s*", file);
! 1659:
! 1660: memset(&g, 0, sizeof(g));
! 1661: if (remote != LOCAL) {
! 1662: tmp = make_absolute(tmp, remote_path);
! 1663: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
! 1664: } else
! 1665: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
! 1666:
! 1667: /* Determine length of pwd so we can trim completion display */
! 1668: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
! 1669: /* Terminate counting on first unescaped glob metacharacter */
! 1670: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
! 1671: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
! 1672: hadglob = 1;
! 1673: break;
! 1674: }
! 1675: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
! 1676: tmplen++;
! 1677: if (tmp[tmplen] == '/')
! 1678: pwdlen = tmplen + 1; /* track last seen '/' */
! 1679: }
! 1680: xfree(tmp);
! 1681:
! 1682: if (g.gl_matchc == 0)
! 1683: goto out;
! 1684:
! 1685: if (g.gl_matchc > 1)
! 1686: complete_display(g.gl_pathv, pwdlen);
! 1687:
! 1688: tmp = NULL;
! 1689: /* Don't try to extend globs */
! 1690: if (file == NULL || hadglob)
! 1691: goto out;
! 1692:
! 1693: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
! 1694: tmp = path_strip(tmp2, remote_path);
! 1695: xfree(tmp2);
! 1696:
! 1697: if (tmp == NULL)
! 1698: goto out;
! 1699:
! 1700: tmplen = strlen(tmp);
! 1701: filelen = strlen(file);
! 1702:
! 1703: if (tmplen > filelen) {
! 1704: tmp2 = tmp + filelen;
! 1705: len = strlen(tmp2);
! 1706: /* quote argument on way out */
! 1707: for (i = 0; i < len; i++) {
! 1708: ins[0] = '\\';
! 1709: ins[1] = tmp2[i];
! 1710: ins[2] = '\0';
! 1711: switch (tmp2[i]) {
! 1712: case '\'':
! 1713: case '"':
! 1714: case '\\':
! 1715: case '\t':
! 1716: case ' ':
! 1717: if (quote == '\0' || tmp2[i] == quote) {
! 1718: if (el_insertstr(el, ins) == -1)
! 1719: fatal("el_insertstr "
! 1720: "failed.");
! 1721: break;
! 1722: }
! 1723: /* FALLTHROUGH */
! 1724: default:
! 1725: if (el_insertstr(el, ins + 1) == -1)
! 1726: fatal("el_insertstr failed.");
! 1727: break;
! 1728: }
! 1729: }
! 1730: }
! 1731:
! 1732: lf = el_line(el);
! 1733: /*
! 1734: * XXX should we really extend here? the user may not be done if
! 1735: * the filename is a directory.
! 1736: */
! 1737: if (g.gl_matchc == 1) {
! 1738: i = 0;
! 1739: if (!terminated)
! 1740: ins[i++] = quote;
! 1741: if (lastarg || *(lf->cursor) != ' ')
! 1742: ins[i++] = ' ';
! 1743: ins[i] = '\0';
! 1744: if (i > 0 && el_insertstr(el, ins) == -1)
! 1745: fatal("el_insertstr failed.");
! 1746: }
! 1747: xfree(tmp);
! 1748:
! 1749: out:
! 1750: globfree(&g);
! 1751: return g.gl_matchc;
! 1752: }
! 1753:
! 1754: /* tab-completion hook function, called via libedit */
! 1755: static unsigned char
! 1756: complete(EditLine *el, int ch)
! 1757: {
! 1758: char **argv, *line, quote;
! 1759: u_int argc, carg, cursor, len, terminated, ret = CC_ERROR;
! 1760: const LineInfo *lf;
! 1761: struct complete_ctx *complete_ctx;
! 1762:
! 1763: lf = el_line(el);
! 1764: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
! 1765: fatal("%s: el_get failed", __func__);
! 1766:
! 1767: /* Figure out which argument the cursor points to */
! 1768: cursor = lf->cursor - lf->buffer;
! 1769: line = (char *)xmalloc(cursor + 1);
! 1770: memcpy(line, lf->buffer, cursor);
! 1771: line[cursor] = '\0';
! 1772: argv = makeargv(line, &carg, 1, "e, &terminated);
! 1773: xfree(line);
! 1774:
! 1775: /* Get all the arguments on the line */
! 1776: len = lf->lastchar - lf->buffer;
! 1777: line = (char *)xmalloc(len + 1);
! 1778: memcpy(line, lf->buffer, len);
! 1779: line[len] = '\0';
! 1780: argv = makeargv(line, &argc, 1, NULL, NULL);
! 1781:
! 1782: /* Ensure cursor is at EOL or a argument boundary */
! 1783: if (line[cursor] != ' ' && line[cursor] != '\0' &&
! 1784: line[cursor] != '\n') {
! 1785: xfree(line);
! 1786: return ret;
! 1787: }
! 1788:
! 1789: if (carg == 0) {
! 1790: /* Show all available commands */
! 1791: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
! 1792: ret = CC_REDISPLAY;
! 1793: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
! 1794: /* Handle the command parsing */
! 1795: if (complete_cmd_parse(el, argv[0], argc == carg,
! 1796: quote, terminated) != 0)
! 1797: ret = CC_REDISPLAY;
! 1798: } else if (carg >= 1) {
! 1799: /* Handle file parsing */
! 1800: int remote = complete_is_remote(argv[0]);
! 1801: char *filematch = NULL;
! 1802:
! 1803: if (carg > 1 && line[cursor-1] != ' ')
! 1804: filematch = argv[carg - 1];
! 1805:
! 1806: if (remote != 0 &&
! 1807: complete_match(el, complete_ctx->conn,
! 1808: *complete_ctx->remote_pathp, filematch,
! 1809: remote, carg == argc, quote, terminated) != 0)
! 1810: ret = CC_REDISPLAY;
! 1811: }
! 1812:
! 1813: xfree(line);
! 1814: return ret;
! 1815: }
! 1816:
1.44 djm 1817: int
1.112 djm 1818: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1819: {
1.116 ! djm 1820: char *remote_path;
1.44 djm 1821: char *dir = NULL;
1822: char cmd[2048];
1.66 jaredy 1823: int err, interactive;
1.57 djm 1824: EditLine *el = NULL;
1825: History *hl = NULL;
1826: HistEvent hev;
1827: extern char *__progname;
1.116 ! djm 1828: struct complete_ctx complete_ctx;
1.57 djm 1829:
1830: if (!batchmode && isatty(STDIN_FILENO)) {
1831: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1832: fatal("Couldn't initialise editline");
1833: if ((hl = history_init()) == NULL)
1834: fatal("Couldn't initialise editline history");
1835: history(hl, &hev, H_SETSIZE, 100);
1836: el_set(el, EL_HIST, history, hl);
1837:
1838: el_set(el, EL_PROMPT, prompt);
1839: el_set(el, EL_EDITOR, "emacs");
1840: el_set(el, EL_TERMINAL, NULL);
1841: el_set(el, EL_SIGNAL, 1);
1842: el_source(el, NULL);
1.116 ! djm 1843:
! 1844: /* Tab Completion */
! 1845: el_set(el, EL_ADDFN, "ftp-complete",
! 1846: "Context senstive argument completion", complete);
! 1847: complete_ctx.conn = conn;
! 1848: complete_ctx.remote_pathp = &remote_path;
! 1849: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
! 1850: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.57 djm 1851: }
1.44 djm 1852:
1.116 ! djm 1853: remote_path = do_realpath(conn, ".");
! 1854: if (remote_path == NULL)
1.44 djm 1855: fatal("Need cwd");
1856:
1857: if (file1 != NULL) {
1858: dir = xstrdup(file1);
1.116 ! djm 1859: dir = make_absolute(dir, remote_path);
1.44 djm 1860:
1861: if (remote_is_dir(conn, dir) && file2 == NULL) {
1862: printf("Changing to: %s\n", dir);
1863: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 ! djm 1864: if (parse_dispatch_command(conn, cmd,
! 1865: &remote_path, 1) != 0) {
1.58 markus 1866: xfree(dir);
1.116 ! djm 1867: xfree(remote_path);
1.76 djm 1868: xfree(conn);
1.44 djm 1869: return (-1);
1.58 markus 1870: }
1.44 djm 1871: } else {
1872: if (file2 == NULL)
1873: snprintf(cmd, sizeof cmd, "get %s", dir);
1874: else
1875: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1876: file2);
1877:
1.116 ! djm 1878: err = parse_dispatch_command(conn, cmd,
! 1879: &remote_path, 1);
1.44 djm 1880: xfree(dir);
1.116 ! djm 1881: xfree(remote_path);
1.76 djm 1882: xfree(conn);
1.44 djm 1883: return (err);
1884: }
1885: xfree(dir);
1886: }
1887:
1888: setvbuf(stdout, NULL, _IOLBF, 0);
1889: setvbuf(infile, NULL, _IOLBF, 0);
1890:
1.66 jaredy 1891: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1892: err = 0;
1893: for (;;) {
1894: char *cp;
1.57 djm 1895: const char *line;
1896: int count = 0;
1.44 djm 1897:
1.46 djm 1898: signal(SIGINT, SIG_IGN);
1899:
1.57 djm 1900: if (el == NULL) {
1.66 jaredy 1901: if (interactive)
1902: printf("sftp> ");
1.57 djm 1903: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1904: if (interactive)
1905: printf("\n");
1.57 djm 1906: break;
1907: }
1.66 jaredy 1908: if (!interactive) { /* Echo command */
1909: printf("sftp> %s", cmd);
1910: if (strlen(cmd) > 0 &&
1911: cmd[strlen(cmd) - 1] != '\n')
1912: printf("\n");
1913: }
1.57 djm 1914: } else {
1.116 ! djm 1915: if ((line = el_gets(el, &count)) == NULL ||
! 1916: count <= 0) {
1.66 jaredy 1917: printf("\n");
1.57 djm 1918: break;
1.66 jaredy 1919: }
1.57 djm 1920: history(hl, &hev, H_ENTER, line);
1921: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1922: fprintf(stderr, "Error: input line too long\n");
1923: continue;
1924: }
1.44 djm 1925: }
1926:
1927: cp = strrchr(cmd, '\n');
1928: if (cp)
1929: *cp = '\0';
1930:
1.46 djm 1931: /* Handle user interrupts gracefully during commands */
1932: interrupted = 0;
1933: signal(SIGINT, cmd_interrupt);
1934:
1.116 ! djm 1935: err = parse_dispatch_command(conn, cmd, &remote_path,
! 1936: batchmode);
1.44 djm 1937: if (err != 0)
1938: break;
1939: }
1.116 ! djm 1940: xfree(remote_path);
1.76 djm 1941: xfree(conn);
1.66 jaredy 1942:
1943: if (el != NULL)
1944: el_end(el);
1.44 djm 1945:
1946: /* err == 1 signifies normal "quit" exit */
1947: return (err >= 0 ? 0 : -1);
1948: }
1.34 fgsch 1949:
1.18 itojun 1950: static void
1.36 djm 1951: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1952: {
1953: int c_in, c_out;
1.30 deraadt 1954:
1.1 djm 1955: int inout[2];
1.30 deraadt 1956:
1.1 djm 1957: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1958: fatal("socketpair: %s", strerror(errno));
1959: *in = *out = inout[0];
1960: c_in = c_out = inout[1];
1961:
1.36 djm 1962: if ((sshpid = fork()) == -1)
1.1 djm 1963: fatal("fork: %s", strerror(errno));
1.36 djm 1964: else if (sshpid == 0) {
1.1 djm 1965: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1966: (dup2(c_out, STDOUT_FILENO) == -1)) {
1967: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1968: _exit(1);
1.1 djm 1969: }
1970: close(*in);
1971: close(*out);
1972: close(c_in);
1973: close(c_out);
1.46 djm 1974:
1975: /*
1976: * The underlying ssh is in the same process group, so we must
1.56 deraadt 1977: * ignore SIGINT if we want to gracefully abort commands,
1978: * otherwise the signal will make it to the ssh process and
1.46 djm 1979: * kill it too
1980: */
1981: signal(SIGINT, SIG_IGN);
1.49 dtucker 1982: execvp(path, args);
1.23 djm 1983: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 1984: _exit(1);
1.1 djm 1985: }
1986:
1.36 djm 1987: signal(SIGTERM, killchild);
1988: signal(SIGINT, killchild);
1989: signal(SIGHUP, killchild);
1.1 djm 1990: close(c_in);
1991: close(c_out);
1992: }
1993:
1.18 itojun 1994: static void
1.1 djm 1995: usage(void)
1996: {
1.25 mpech 1997: extern char *__progname;
1.27 markus 1998:
1.19 stevesk 1999: fprintf(stderr,
1.111 djm 2000: "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2001: " [-D sftp_server_path] [-F ssh_config] "
2002: "[-i identity_file]\n"
2003: " [-o ssh_option] [-P port] [-R num_requests] "
2004: "[-S program]\n"
1.108 djm 2005: " [-s subsystem | sftp_server] host\n"
1.105 djm 2006: " %s [user@]host[:file ...]\n"
2007: " %s [user@]host[:dir[/]]\n"
1.108 djm 2008: " %s -b batchfile [user@]host\n",
2009: __progname, __progname, __progname, __progname);
1.1 djm 2010: exit(1);
2011: }
2012:
1.2 stevesk 2013: int
1.1 djm 2014: main(int argc, char **argv)
2015: {
1.33 djm 2016: int in, out, ch, err;
1.48 pedro 2017: char *host, *userhost, *cp, *file2 = NULL;
1.17 mouring 2018: int debug_level = 0, sshver = 2;
2019: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2020: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.17 mouring 2021: LogLevel ll = SYSLOG_LEVEL_INFO;
2022: arglist args;
1.3 djm 2023: extern int optind;
2024: extern char *optarg;
1.112 djm 2025: struct sftp_conn *conn;
2026: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2027: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.67 djm 2028:
2029: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2030: sanitise_stdfd();
1.1 djm 2031:
1.70 djm 2032: memset(&args, '\0', sizeof(args));
1.17 mouring 2033: args.list = NULL;
1.80 djm 2034: addargs(&args, "%s", ssh_program);
1.17 mouring 2035: addargs(&args, "-oForwardX11 no");
2036: addargs(&args, "-oForwardAgent no");
1.69 reyk 2037: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2038: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2039:
1.17 mouring 2040: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2041: infile = stdin;
1.3 djm 2042:
1.109 djm 2043: while ((ch = getopt(argc, argv,
1.111 djm 2044: "1246hqrvCc:D:i:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2045: switch (ch) {
1.108 djm 2046: /* Passed through to ssh(1) */
2047: case '4':
2048: case '6':
1.3 djm 2049: case 'C':
1.108 djm 2050: addargs(&args, "-%c", ch);
2051: break;
2052: /* Passed through to ssh(1) with argument */
2053: case 'F':
2054: case 'c':
2055: case 'i':
2056: case 'o':
1.113 halex 2057: addargs(&args, "-%c", ch);
2058: addargs(&args, "%s", optarg);
1.108 djm 2059: break;
2060: case 'q':
2061: showprogress = 0;
2062: addargs(&args, "-%c", ch);
1.3 djm 2063: break;
1.109 djm 2064: case 'P':
2065: addargs(&args, "-oPort %s", optarg);
2066: break;
1.3 djm 2067: case 'v':
1.17 mouring 2068: if (debug_level < 3) {
2069: addargs(&args, "-v");
2070: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2071: }
2072: debug_level++;
1.3 djm 2073: break;
1.7 markus 2074: case '1':
1.17 mouring 2075: sshver = 1;
1.7 markus 2076: if (sftp_server == NULL)
2077: sftp_server = _PATH_SFTP_SERVER;
2078: break;
1.108 djm 2079: case '2':
2080: sshver = 2;
1.7 markus 2081: break;
1.108 djm 2082: case 'B':
2083: copy_buffer_len = strtol(optarg, &cp, 10);
2084: if (copy_buffer_len == 0 || *cp != '\0')
2085: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2086: break;
1.10 deraadt 2087: case 'b':
1.39 djm 2088: if (batchmode)
2089: fatal("Batch file already specified.");
2090:
2091: /* Allow "-" as stdin */
1.56 deraadt 2092: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2093: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2094: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2095: showprogress = 0;
1.39 djm 2096: batchmode = 1;
1.62 djm 2097: addargs(&args, "-obatchmode yes");
1.10 deraadt 2098: break;
1.111 djm 2099: case 'p':
2100: global_pflag = 1;
2101: break;
1.109 djm 2102: case 'D':
1.23 djm 2103: sftp_direct = optarg;
1.111 djm 2104: break;
2105: case 'r':
2106: global_rflag = 1;
1.24 djm 2107: break;
1.26 djm 2108: case 'R':
2109: num_requests = strtol(optarg, &cp, 10);
2110: if (num_requests == 0 || *cp != '\0')
1.27 markus 2111: fatal("Invalid number of requests \"%s\"",
1.26 djm 2112: optarg);
1.108 djm 2113: break;
2114: case 's':
2115: sftp_server = optarg;
2116: break;
2117: case 'S':
2118: ssh_program = optarg;
2119: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2120: break;
1.3 djm 2121: case 'h':
2122: default:
1.1 djm 2123: usage();
2124: }
2125: }
1.45 djm 2126:
2127: if (!isatty(STDERR_FILENO))
2128: showprogress = 0;
1.1 djm 2129:
1.29 markus 2130: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2131:
1.23 djm 2132: if (sftp_direct == NULL) {
2133: if (optind == argc || argc > (optind + 2))
2134: usage();
2135:
2136: userhost = xstrdup(argv[optind]);
2137: file2 = argv[optind+1];
1.1 djm 2138:
1.32 markus 2139: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2140: host = userhost;
2141: else {
2142: *host++ = '\0';
2143: if (!userhost[0]) {
2144: fprintf(stderr, "Missing username\n");
2145: usage();
2146: }
1.115 guenther 2147: addargs(&args, "-l");
2148: addargs(&args, "%s", userhost);
1.41 djm 2149: }
2150:
2151: if ((cp = colon(host)) != NULL) {
2152: *cp++ = '\0';
2153: file1 = cp;
1.23 djm 2154: }
1.3 djm 2155:
1.23 djm 2156: host = cleanhostname(host);
2157: if (!*host) {
2158: fprintf(stderr, "Missing hostname\n");
1.1 djm 2159: usage();
2160: }
2161:
1.23 djm 2162: addargs(&args, "-oProtocol %d", sshver);
2163:
2164: /* no subsystem if the server-spec contains a '/' */
2165: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2166: addargs(&args, "-s");
2167:
1.115 guenther 2168: addargs(&args, "--");
1.23 djm 2169: addargs(&args, "%s", host);
1.27 markus 2170: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2171: sftp_server : "sftp"));
2172:
1.36 djm 2173: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2174: } else {
2175: args.list = NULL;
2176: addargs(&args, "sftp-server");
2177:
1.36 djm 2178: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2179: }
1.70 djm 2180: freeargs(&args);
1.1 djm 2181:
1.112 djm 2182: conn = do_init(in, out, copy_buffer_len, num_requests);
2183: if (conn == NULL)
2184: fatal("Couldn't initialise connection to server");
2185:
2186: if (!batchmode) {
2187: if (sftp_direct == NULL)
2188: fprintf(stderr, "Connected to %s.\n", host);
2189: else
2190: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2191: }
2192:
2193: err = interactive_loop(conn, file1, file2);
1.1 djm 2194:
2195: close(in);
2196: close(out);
1.39 djm 2197: if (batchmode)
1.10 deraadt 2198: fclose(infile);
1.1 djm 2199:
1.28 markus 2200: while (waitpid(sshpid, NULL, 0) == -1)
2201: if (errno != EINTR)
2202: fatal("Couldn't wait for ssh process: %s",
2203: strerror(errno));
1.1 djm 2204:
1.33 djm 2205: exit(err == 0 ? 0 : 1);
1.1 djm 2206: }