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1.135 ! djm 1: /* $OpenBSD: sftp.c,v 1.134 2011/11/16 12:24:28 oga 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 */
1.119 djm 90: #define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
91: #define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
92: #define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
93: #define LS_NAME_SORT 0x0008 /* Sort by name (default) */
94: #define LS_TIME_SORT 0x0010 /* Sort by mtime */
95: #define LS_SIZE_SORT 0x0020 /* Sort by file size */
96: #define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
97: #define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
98: #define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
1.52 djm 99:
1.119 djm 100: #define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
1.53 djm 101: #define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
1.44 djm 102:
103: /* Commands for interactive mode */
104: #define I_CHDIR 1
105: #define I_CHGRP 2
106: #define I_CHMOD 3
107: #define I_CHOWN 4
1.100 djm 108: #define I_DF 24
1.44 djm 109: #define I_GET 5
110: #define I_HELP 6
111: #define I_LCHDIR 7
1.132 djm 112: #define I_LINK 25
1.44 djm 113: #define I_LLS 8
114: #define I_LMKDIR 9
115: #define I_LPWD 10
116: #define I_LS 11
117: #define I_LUMASK 12
118: #define I_MKDIR 13
119: #define I_PUT 14
120: #define I_PWD 15
121: #define I_QUIT 16
122: #define I_RENAME 17
123: #define I_RM 18
124: #define I_RMDIR 19
125: #define I_SHELL 20
126: #define I_SYMLINK 21
127: #define I_VERSION 22
128: #define I_PROGRESS 23
129:
130: struct CMD {
131: const char *c;
132: const int n;
1.116 djm 133: const int t;
1.44 djm 134: };
135:
1.116 djm 136: /* Type of completion */
137: #define NOARGS 0
138: #define REMOTE 1
139: #define LOCAL 2
140:
1.44 djm 141: static const struct CMD cmds[] = {
1.116 djm 142: { "bye", I_QUIT, NOARGS },
143: { "cd", I_CHDIR, REMOTE },
144: { "chdir", I_CHDIR, REMOTE },
145: { "chgrp", I_CHGRP, REMOTE },
146: { "chmod", I_CHMOD, REMOTE },
147: { "chown", I_CHOWN, REMOTE },
148: { "df", I_DF, REMOTE },
149: { "dir", I_LS, REMOTE },
150: { "exit", I_QUIT, NOARGS },
151: { "get", I_GET, REMOTE },
152: { "help", I_HELP, NOARGS },
153: { "lcd", I_LCHDIR, LOCAL },
154: { "lchdir", I_LCHDIR, LOCAL },
155: { "lls", I_LLS, LOCAL },
156: { "lmkdir", I_LMKDIR, LOCAL },
1.132 djm 157: { "ln", I_LINK, REMOTE },
1.116 djm 158: { "lpwd", I_LPWD, LOCAL },
159: { "ls", I_LS, REMOTE },
160: { "lumask", I_LUMASK, NOARGS },
161: { "mkdir", I_MKDIR, REMOTE },
1.124 dtucker 162: { "mget", I_GET, REMOTE },
163: { "mput", I_PUT, LOCAL },
1.116 djm 164: { "progress", I_PROGRESS, NOARGS },
165: { "put", I_PUT, LOCAL },
166: { "pwd", I_PWD, REMOTE },
167: { "quit", I_QUIT, NOARGS },
168: { "rename", I_RENAME, REMOTE },
169: { "rm", I_RM, REMOTE },
170: { "rmdir", I_RMDIR, REMOTE },
171: { "symlink", I_SYMLINK, REMOTE },
172: { "version", I_VERSION, NOARGS },
173: { "!", I_SHELL, NOARGS },
174: { "?", I_HELP, NOARGS },
175: { NULL, -1, -1 }
1.44 djm 176: };
177:
1.112 djm 178: int interactive_loop(struct sftp_conn *, char *file1, char *file2);
1.44 djm 179:
1.96 stevesk 180: /* ARGSUSED */
1.44 djm 181: static void
1.46 djm 182: killchild(int signo)
183: {
1.61 dtucker 184: if (sshpid > 1) {
1.46 djm 185: kill(sshpid, SIGTERM);
1.61 dtucker 186: waitpid(sshpid, NULL, 0);
187: }
1.46 djm 188:
189: _exit(1);
190: }
191:
1.96 stevesk 192: /* ARGSUSED */
1.46 djm 193: static void
194: cmd_interrupt(int signo)
195: {
196: const char msg[] = "\rInterrupt \n";
1.59 djm 197: int olderrno = errno;
1.46 djm 198:
199: write(STDERR_FILENO, msg, sizeof(msg) - 1);
200: interrupted = 1;
1.59 djm 201: errno = olderrno;
1.46 djm 202: }
203:
204: static void
1.44 djm 205: help(void)
206: {
1.106 sobrado 207: printf("Available commands:\n"
208: "bye Quit sftp\n"
209: "cd path Change remote directory to 'path'\n"
210: "chgrp grp path Change group of file 'path' to 'grp'\n"
211: "chmod mode path Change permissions of file 'path' to 'mode'\n"
212: "chown own path Change owner of file 'path' to 'own'\n"
213: "df [-hi] [path] Display statistics for current directory or\n"
214: " filesystem containing 'path'\n"
215: "exit Quit sftp\n"
1.121 jmc 216: "get [-Ppr] remote [local] Download file\n"
1.106 sobrado 217: "help Display this help text\n"
218: "lcd path Change local directory to 'path'\n"
219: "lls [ls-options [path]] Display local directory listing\n"
220: "lmkdir path Create local directory\n"
1.132 djm 221: "ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
1.106 sobrado 222: "lpwd Print local working directory\n"
1.121 jmc 223: "ls [-1afhlnrSt] [path] Display remote directory listing\n"
1.106 sobrado 224: "lumask umask Set local umask to 'umask'\n"
225: "mkdir path Create remote directory\n"
226: "progress Toggle display of progress meter\n"
1.121 jmc 227: "put [-Ppr] local [remote] Upload file\n"
1.106 sobrado 228: "pwd Display remote working directory\n"
229: "quit Quit sftp\n"
230: "rename oldpath newpath Rename remote file\n"
231: "rm path Delete remote file\n"
232: "rmdir path Remove remote directory\n"
233: "symlink oldpath newpath Symlink remote file\n"
234: "version Show SFTP version\n"
235: "!command Execute 'command' in local shell\n"
236: "! Escape to local shell\n"
237: "? Synonym for help\n");
1.44 djm 238: }
239:
240: static void
241: local_do_shell(const char *args)
242: {
243: int status;
244: char *shell;
245: pid_t pid;
246:
247: if (!*args)
248: args = NULL;
249:
1.130 djm 250: if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
1.44 djm 251: shell = _PATH_BSHELL;
252:
253: if ((pid = fork()) == -1)
254: fatal("Couldn't fork: %s", strerror(errno));
255:
256: if (pid == 0) {
257: /* XXX: child has pipe fds to ssh subproc open - issue? */
258: if (args) {
259: debug3("Executing %s -c \"%s\"", shell, args);
260: execl(shell, shell, "-c", args, (char *)NULL);
261: } else {
262: debug3("Executing %s", shell);
263: execl(shell, shell, (char *)NULL);
264: }
265: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
266: strerror(errno));
267: _exit(1);
268: }
269: while (waitpid(pid, &status, 0) == -1)
270: if (errno != EINTR)
271: fatal("Couldn't wait for child: %s", strerror(errno));
272: if (!WIFEXITED(status))
1.78 djm 273: error("Shell exited abnormally");
1.44 djm 274: else if (WEXITSTATUS(status))
275: error("Shell exited with status %d", WEXITSTATUS(status));
276: }
277:
278: static void
279: local_do_ls(const char *args)
280: {
281: if (!args || !*args)
282: local_do_shell(_PATH_LS);
283: else {
284: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
285: char *buf = xmalloc(len);
286:
287: /* XXX: quoting - rip quoting code from ftp? */
288: snprintf(buf, len, _PATH_LS " %s", args);
289: local_do_shell(buf);
290: xfree(buf);
291: }
292: }
293:
294: /* Strip one path (usually the pwd) from the start of another */
295: static char *
296: path_strip(char *path, char *strip)
297: {
298: size_t len;
299:
300: if (strip == NULL)
301: return (xstrdup(path));
302:
303: len = strlen(strip);
1.59 djm 304: if (strncmp(path, strip, len) == 0) {
1.44 djm 305: if (strip[len - 1] != '/' && path[len] == '/')
306: len++;
307: return (xstrdup(path + len));
308: }
309:
310: return (xstrdup(path));
311: }
312:
313: static char *
314: make_absolute(char *p, char *pwd)
315: {
1.51 avsm 316: char *abs_str;
1.44 djm 317:
318: /* Derelativise */
319: if (p && p[0] != '/') {
1.51 avsm 320: abs_str = path_append(pwd, p);
1.44 djm 321: xfree(p);
1.51 avsm 322: return(abs_str);
1.44 djm 323: } else
324: return(p);
325: }
326:
327: static int
1.111 djm 328: parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
329: int *rflag)
1.44 djm 330: {
1.102 martynas 331: extern int opterr, optind, optopt, optreset;
1.97 djm 332: int ch;
1.44 djm 333:
1.97 djm 334: optind = optreset = 1;
335: opterr = 0;
336:
1.111 djm 337: *rflag = *pflag = 0;
338: while ((ch = getopt(argc, argv, "PpRr")) != -1) {
1.97 djm 339: switch (ch) {
1.44 djm 340: case 'p':
341: case 'P':
342: *pflag = 1;
343: break;
1.111 djm 344: case 'r':
345: case 'R':
346: *rflag = 1;
347: break;
1.44 djm 348: default:
1.102 martynas 349: error("%s: Invalid flag -%c", cmd, optopt);
1.97 djm 350: return -1;
1.44 djm 351: }
352: }
353:
1.97 djm 354: return optind;
1.44 djm 355: }
356:
357: static int
1.132 djm 358: parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
359: {
360: extern int opterr, optind, optopt, optreset;
361: int ch;
362:
363: optind = optreset = 1;
364: opterr = 0;
365:
366: *sflag = 0;
367: while ((ch = getopt(argc, argv, "s")) != -1) {
368: switch (ch) {
369: case 's':
370: *sflag = 1;
371: break;
372: default:
373: error("%s: Invalid flag -%c", cmd, optopt);
374: return -1;
375: }
376: }
377:
378: return optind;
379: }
380:
381: static int
1.97 djm 382: parse_ls_flags(char **argv, int argc, int *lflag)
1.44 djm 383: {
1.102 martynas 384: extern int opterr, optind, optopt, optreset;
1.97 djm 385: int ch;
386:
387: optind = optreset = 1;
388: opterr = 0;
1.44 djm 389:
1.53 djm 390: *lflag = LS_NAME_SORT;
1.119 djm 391: while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
1.97 djm 392: switch (ch) {
393: case '1':
394: *lflag &= ~VIEW_FLAGS;
395: *lflag |= LS_SHORT_VIEW;
396: break;
397: case 'S':
398: *lflag &= ~SORT_FLAGS;
399: *lflag |= LS_SIZE_SORT;
400: break;
401: case 'a':
402: *lflag |= LS_SHOW_ALL;
403: break;
404: case 'f':
405: *lflag &= ~SORT_FLAGS;
406: break;
1.119 djm 407: case 'h':
408: *lflag |= LS_SI_UNITS;
409: break;
1.97 djm 410: case 'l':
1.119 djm 411: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 412: *lflag |= LS_LONG_VIEW;
413: break;
414: case 'n':
1.119 djm 415: *lflag &= ~LS_SHORT_VIEW;
1.97 djm 416: *lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
417: break;
418: case 'r':
419: *lflag |= LS_REVERSE_SORT;
420: break;
421: case 't':
422: *lflag &= ~SORT_FLAGS;
423: *lflag |= LS_TIME_SORT;
424: break;
425: default:
1.102 martynas 426: error("ls: Invalid flag -%c", optopt);
1.97 djm 427: return -1;
1.44 djm 428: }
429: }
430:
1.97 djm 431: return optind;
1.44 djm 432: }
433:
434: static int
1.100 djm 435: parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
436: {
1.102 martynas 437: extern int opterr, optind, optopt, optreset;
1.100 djm 438: int ch;
439:
440: optind = optreset = 1;
441: opterr = 0;
442:
443: *hflag = *iflag = 0;
444: while ((ch = getopt(argc, argv, "hi")) != -1) {
445: switch (ch) {
446: case 'h':
447: *hflag = 1;
448: break;
449: case 'i':
450: *iflag = 1;
451: break;
452: default:
1.102 martynas 453: error("%s: Invalid flag -%c", cmd, optopt);
1.100 djm 454: return -1;
455: }
456: }
457:
458: return optind;
459: }
460:
461: static int
1.44 djm 462: is_dir(char *path)
463: {
464: struct stat sb;
465:
466: /* XXX: report errors? */
467: if (stat(path, &sb) == -1)
468: return(0);
469:
1.92 otto 470: return(S_ISDIR(sb.st_mode));
1.44 djm 471: }
472:
473: static int
474: remote_is_dir(struct sftp_conn *conn, char *path)
475: {
476: Attrib *a;
477:
478: /* XXX: report errors? */
479: if ((a = do_stat(conn, path, 1)) == NULL)
480: return(0);
481: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
482: return(0);
1.92 otto 483: return(S_ISDIR(a->perm));
1.44 djm 484: }
485:
1.111 djm 486: /* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
487: static int
488: pathname_is_dir(char *pathname)
489: {
490: size_t l = strlen(pathname);
491:
492: return l > 0 && pathname[l - 1] == '/';
493: }
494:
1.44 djm 495: static int
1.111 djm 496: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
497: int pflag, int rflag)
1.44 djm 498: {
499: char *abs_src = NULL;
500: char *abs_dst = NULL;
501: glob_t g;
1.111 djm 502: char *filename, *tmp=NULL;
503: int i, err = 0;
1.44 djm 504:
505: abs_src = xstrdup(src);
506: abs_src = make_absolute(abs_src, pwd);
1.111 djm 507: memset(&g, 0, sizeof(g));
1.44 djm 508:
509: debug3("Looking up %s", abs_src);
1.111 djm 510: if (remote_glob(conn, abs_src, GLOB_MARK, NULL, &g)) {
1.44 djm 511: error("File \"%s\" not found.", abs_src);
512: err = -1;
513: goto out;
514: }
515:
1.111 djm 516: /*
517: * If multiple matches then dst must be a directory or
518: * unspecified.
519: */
520: if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
521: error("Multiple source paths, but destination "
522: "\"%s\" is not a directory", dst);
1.44 djm 523: err = -1;
524: goto out;
525: }
526:
1.46 djm 527: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.111 djm 528: tmp = xstrdup(g.gl_pathv[i]);
529: if ((filename = basename(tmp)) == NULL) {
530: error("basename %s: %s", tmp, strerror(errno));
531: xfree(tmp);
1.44 djm 532: err = -1;
533: goto out;
534: }
535:
536: if (g.gl_matchc == 1 && dst) {
537: if (is_dir(dst)) {
1.111 djm 538: abs_dst = path_append(dst, filename);
539: } else {
1.44 djm 540: abs_dst = xstrdup(dst);
1.111 djm 541: }
1.44 djm 542: } else if (dst) {
1.111 djm 543: abs_dst = path_append(dst, filename);
544: } else {
545: abs_dst = xstrdup(filename);
546: }
547: xfree(tmp);
1.44 djm 548:
549: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 550: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
551: if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
552: pflag || global_pflag, 1) == -1)
553: err = -1;
554: } else {
555: if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
556: pflag || global_pflag) == -1)
557: err = -1;
558: }
1.44 djm 559: xfree(abs_dst);
560: abs_dst = NULL;
561: }
562:
563: out:
564: xfree(abs_src);
565: globfree(&g);
566: return(err);
567: }
568:
569: static int
1.111 djm 570: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
571: int pflag, int rflag)
1.44 djm 572: {
573: char *tmp_dst = NULL;
574: char *abs_dst = NULL;
1.111 djm 575: char *tmp = NULL, *filename = NULL;
1.44 djm 576: glob_t g;
577: int err = 0;
1.111 djm 578: int i, dst_is_dir = 1;
1.99 djm 579: struct stat sb;
1.44 djm 580:
581: if (dst) {
582: tmp_dst = xstrdup(dst);
583: tmp_dst = make_absolute(tmp_dst, pwd);
584: }
585:
586: memset(&g, 0, sizeof(g));
587: debug3("Looking up %s", src);
1.111 djm 588: if (glob(src, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
1.44 djm 589: error("File \"%s\" not found.", src);
590: err = -1;
591: goto out;
592: }
593:
1.111 djm 594: /* If we aren't fetching to pwd then stash this status for later */
595: if (tmp_dst != NULL)
596: dst_is_dir = remote_is_dir(conn, tmp_dst);
597:
1.44 djm 598: /* If multiple matches, dst may be directory or unspecified */
1.111 djm 599: if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
600: error("Multiple paths match, but destination "
601: "\"%s\" is not a directory", tmp_dst);
1.44 djm 602: err = -1;
603: goto out;
604: }
605:
1.46 djm 606: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.99 djm 607: if (stat(g.gl_pathv[i], &sb) == -1) {
608: err = -1;
609: error("stat %s: %s", g.gl_pathv[i], strerror(errno));
610: continue;
611: }
1.111 djm 612:
613: tmp = xstrdup(g.gl_pathv[i]);
614: if ((filename = basename(tmp)) == NULL) {
615: error("basename %s: %s", tmp, strerror(errno));
616: xfree(tmp);
1.44 djm 617: err = -1;
618: goto out;
619: }
620:
621: if (g.gl_matchc == 1 && tmp_dst) {
622: /* If directory specified, append filename */
1.111 djm 623: if (dst_is_dir)
624: abs_dst = path_append(tmp_dst, filename);
625: else
1.44 djm 626: abs_dst = xstrdup(tmp_dst);
627: } else if (tmp_dst) {
1.111 djm 628: abs_dst = path_append(tmp_dst, filename);
629: } else {
630: abs_dst = make_absolute(xstrdup(filename), pwd);
631: }
632: xfree(tmp);
1.44 djm 633:
634: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
1.111 djm 635: if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
636: if (upload_dir(conn, g.gl_pathv[i], abs_dst,
637: pflag || global_pflag, 1) == -1)
638: err = -1;
639: } else {
640: if (do_upload(conn, g.gl_pathv[i], abs_dst,
641: pflag || global_pflag) == -1)
642: err = -1;
643: }
1.44 djm 644: }
645:
646: out:
647: if (abs_dst)
648: xfree(abs_dst);
649: if (tmp_dst)
650: xfree(tmp_dst);
651: globfree(&g);
652: return(err);
653: }
654:
655: static int
656: sdirent_comp(const void *aa, const void *bb)
657: {
658: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
659: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
1.53 djm 660: int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
1.44 djm 661:
1.52 djm 662: #define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
1.53 djm 663: if (sort_flag & LS_NAME_SORT)
1.52 djm 664: return (rmul * strcmp(a->filename, b->filename));
1.53 djm 665: else if (sort_flag & LS_TIME_SORT)
1.52 djm 666: return (rmul * NCMP(a->a.mtime, b->a.mtime));
1.53 djm 667: else if (sort_flag & LS_SIZE_SORT)
1.52 djm 668: return (rmul * NCMP(a->a.size, b->a.size));
669:
670: fatal("Unknown ls sort type");
1.44 djm 671: }
672:
673: /* sftp ls.1 replacement for directories */
674: static int
675: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
676: {
1.64 djm 677: int n;
678: u_int c = 1, colspace = 0, columns = 1;
1.44 djm 679: SFTP_DIRENT **d;
680:
681: if ((n = do_readdir(conn, path, &d)) != 0)
682: return (n);
683:
1.53 djm 684: if (!(lflag & LS_SHORT_VIEW)) {
1.64 djm 685: u_int m = 0, width = 80;
1.44 djm 686: struct winsize ws;
687: char *tmp;
688:
689: /* Count entries for sort and find longest filename */
1.54 djm 690: for (n = 0; d[n] != NULL; n++) {
691: if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
692: m = MAX(m, strlen(d[n]->filename));
693: }
1.44 djm 694:
695: /* Add any subpath that also needs to be counted */
696: tmp = path_strip(path, strip_path);
697: m += strlen(tmp);
698: xfree(tmp);
699:
700: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
701: width = ws.ws_col;
702:
703: columns = width / (m + 2);
704: columns = MAX(columns, 1);
705: colspace = width / columns;
706: colspace = MIN(colspace, width);
707: }
708:
1.52 djm 709: if (lflag & SORT_FLAGS) {
1.68 dtucker 710: for (n = 0; d[n] != NULL; n++)
711: ; /* count entries */
1.53 djm 712: sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
1.52 djm 713: qsort(d, n, sizeof(*d), sdirent_comp);
714: }
1.44 djm 715:
1.46 djm 716: for (n = 0; d[n] != NULL && !interrupted; n++) {
1.44 djm 717: char *tmp, *fname;
1.54 djm 718:
719: if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
720: continue;
1.44 djm 721:
722: tmp = path_append(path, d[n]->filename);
723: fname = path_strip(tmp, strip_path);
724: xfree(tmp);
725:
1.53 djm 726: if (lflag & LS_LONG_VIEW) {
1.119 djm 727: if (lflag & (LS_NUMERIC_VIEW|LS_SI_UNITS)) {
1.50 djm 728: char *lname;
729: struct stat sb;
730:
731: memset(&sb, 0, sizeof(sb));
732: attrib_to_stat(&d[n]->a, &sb);
1.119 djm 733: lname = ls_file(fname, &sb, 1,
734: (lflag & LS_SI_UNITS));
1.50 djm 735: printf("%s\n", lname);
736: xfree(lname);
737: } else
738: printf("%s\n", d[n]->longname);
1.44 djm 739: } else {
740: printf("%-*s", colspace, fname);
741: if (c >= columns) {
742: printf("\n");
743: c = 1;
744: } else
745: c++;
746: }
747:
748: xfree(fname);
749: }
750:
1.53 djm 751: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 752: printf("\n");
753:
754: free_sftp_dirents(d);
755: return (0);
756: }
757:
758: /* sftp ls.1 replacement which handles path globs */
759: static int
760: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
761: int lflag)
762: {
1.129 djm 763: Attrib *a = NULL;
764: char *fname, *lname;
1.44 djm 765: glob_t g;
1.128 djm 766: int err;
1.129 djm 767: struct winsize ws;
768: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 769:
770: memset(&g, 0, sizeof(g));
771:
1.128 djm 772: if (remote_glob(conn, path,
1.133 djm 773: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
774: NULL, &g) ||
1.128 djm 775: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 776: if (g.gl_pathc)
777: globfree(&g);
1.44 djm 778: error("Can't ls: \"%s\" not found", path);
1.128 djm 779: return -1;
1.44 djm 780: }
781:
1.46 djm 782: if (interrupted)
783: goto out;
784:
1.44 djm 785: /*
1.60 fgsch 786: * If the glob returns a single match and it is a directory,
787: * then just list its contents.
1.44 djm 788: */
1.128 djm 789: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
790: S_ISDIR(g.gl_statv[0]->st_mode)) {
791: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
792: globfree(&g);
793: return err;
1.44 djm 794: }
795:
1.129 djm 796: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
797: width = ws.ws_col;
798:
1.53 djm 799: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 800: /* Count entries for sort and find longest filename */
801: for (i = 0; g.gl_pathv[i]; i++)
802: m = MAX(m, strlen(g.gl_pathv[i]));
803:
804: columns = width / (m + 2);
805: columns = MAX(columns, 1);
806: colspace = width / columns;
807: }
808:
1.60 fgsch 809: for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
1.44 djm 810: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 811: if (lflag & LS_LONG_VIEW) {
1.128 djm 812: if (g.gl_statv[i] == NULL) {
813: error("no stat information for %s", fname);
814: continue;
815: }
816: lname = ls_file(fname, g.gl_statv[i], 1,
817: (lflag & LS_SI_UNITS));
1.44 djm 818: printf("%s\n", lname);
819: xfree(lname);
820: } else {
821: printf("%-*s", colspace, fname);
822: if (c >= columns) {
823: printf("\n");
824: c = 1;
825: } else
826: c++;
827: }
828: xfree(fname);
829: }
830:
1.53 djm 831: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 832: printf("\n");
833:
1.46 djm 834: out:
1.44 djm 835: if (g.gl_pathc)
836: globfree(&g);
837:
1.128 djm 838: return 0;
1.44 djm 839: }
840:
1.100 djm 841: static int
842: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
843: {
1.101 dtucker 844: struct sftp_statvfs st;
1.100 djm 845: char s_used[FMT_SCALED_STRSIZE];
846: char s_avail[FMT_SCALED_STRSIZE];
847: char s_root[FMT_SCALED_STRSIZE];
848: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 849: unsigned long long ffree;
1.100 djm 850:
851: if (do_statvfs(conn, path, &st, 1) == -1)
852: return -1;
853: if (iflag) {
1.114 dtucker 854: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 855: printf(" Inodes Used Avail "
856: "(root) %%Capacity\n");
857: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
858: (unsigned long long)st.f_files,
859: (unsigned long long)(st.f_files - st.f_ffree),
860: (unsigned long long)st.f_favail,
1.114 dtucker 861: (unsigned long long)st.f_ffree, ffree);
1.100 djm 862: } else if (hflag) {
863: strlcpy(s_used, "error", sizeof(s_used));
864: strlcpy(s_avail, "error", sizeof(s_avail));
865: strlcpy(s_root, "error", sizeof(s_root));
866: strlcpy(s_total, "error", sizeof(s_total));
867: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
868: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
869: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
870: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
871: printf(" Size Used Avail (root) %%Capacity\n");
872: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
873: s_total, s_used, s_avail, s_root,
874: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
875: st.f_blocks));
876: } else {
877: printf(" Size Used Avail "
878: "(root) %%Capacity\n");
879: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
880: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
881: (unsigned long long)(st.f_frsize *
882: (st.f_blocks - st.f_bfree) / 1024),
883: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
884: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
885: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
886: st.f_blocks));
887: }
888: return 0;
889: }
890:
1.97 djm 891: /*
892: * Undo escaping of glob sequences in place. Used to undo extra escaping
893: * applied in makeargv() when the string is destined for a function that
894: * does not glob it.
895: */
896: static void
897: undo_glob_escape(char *s)
898: {
899: size_t i, j;
900:
901: for (i = j = 0;;) {
902: if (s[i] == '\0') {
903: s[j] = '\0';
904: return;
905: }
906: if (s[i] != '\\') {
907: s[j++] = s[i++];
908: continue;
909: }
910: /* s[i] == '\\' */
911: ++i;
912: switch (s[i]) {
913: case '?':
914: case '[':
915: case '*':
916: case '\\':
917: s[j++] = s[i++];
918: break;
919: case '\0':
920: s[j++] = '\\';
921: s[j] = '\0';
922: return;
923: default:
924: s[j++] = '\\';
925: s[j++] = s[i++];
926: break;
927: }
928: }
929: }
930:
931: /*
932: * Split a string into an argument vector using sh(1)-style quoting,
933: * comment and escaping rules, but with some tweaks to handle glob(3)
934: * wildcards.
1.116 djm 935: * The "sloppy" flag allows for recovery from missing terminating quote, for
936: * use in parsing incomplete commandlines during tab autocompletion.
937: *
1.97 djm 938: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 939: *
940: * If "lastquote" is not NULL, the quoting character used for the last
941: * argument is placed in *lastquote ("\0", "'" or "\"").
942: *
943: * If "terminated" is not NULL, *terminated will be set to 1 when the
944: * last argument's quote has been properly terminated or 0 otherwise.
945: * This parameter is only of use if "sloppy" is set.
1.97 djm 946: */
947: #define MAXARGS 128
948: #define MAXARGLEN 8192
949: static char **
1.116 djm 950: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
951: u_int *terminated)
1.97 djm 952: {
953: int argc, quot;
954: size_t i, j;
955: static char argvs[MAXARGLEN];
956: static char *argv[MAXARGS + 1];
957: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
958:
959: *argcp = argc = 0;
960: if (strlen(arg) > sizeof(argvs) - 1) {
961: args_too_longs:
962: error("string too long");
963: return NULL;
964: }
1.116 djm 965: if (terminated != NULL)
966: *terminated = 1;
967: if (lastquote != NULL)
968: *lastquote = '\0';
1.97 djm 969: state = MA_START;
970: i = j = 0;
971: for (;;) {
972: if (isspace(arg[i])) {
973: if (state == MA_UNQUOTED) {
974: /* Terminate current argument */
975: argvs[j++] = '\0';
976: argc++;
977: state = MA_START;
978: } else if (state != MA_START)
979: argvs[j++] = arg[i];
980: } else if (arg[i] == '"' || arg[i] == '\'') {
981: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
982: if (state == MA_START) {
983: argv[argc] = argvs + j;
984: state = q;
1.116 djm 985: if (lastquote != NULL)
986: *lastquote = arg[i];
1.97 djm 987: } else if (state == MA_UNQUOTED)
988: state = q;
989: else if (state == q)
990: state = MA_UNQUOTED;
991: else
992: argvs[j++] = arg[i];
993: } else if (arg[i] == '\\') {
994: if (state == MA_SQUOTE || state == MA_DQUOTE) {
995: quot = state == MA_SQUOTE ? '\'' : '"';
996: /* Unescape quote we are in */
997: /* XXX support \n and friends? */
998: if (arg[i + 1] == quot) {
999: i++;
1000: argvs[j++] = arg[i];
1001: } else if (arg[i + 1] == '?' ||
1002: arg[i + 1] == '[' || arg[i + 1] == '*') {
1003: /*
1004: * Special case for sftp: append
1005: * double-escaped glob sequence -
1006: * glob will undo one level of
1007: * escaping. NB. string can grow here.
1008: */
1009: if (j >= sizeof(argvs) - 5)
1010: goto args_too_longs;
1011: argvs[j++] = '\\';
1012: argvs[j++] = arg[i++];
1013: argvs[j++] = '\\';
1014: argvs[j++] = arg[i];
1015: } else {
1016: argvs[j++] = arg[i++];
1017: argvs[j++] = arg[i];
1018: }
1019: } else {
1020: if (state == MA_START) {
1021: argv[argc] = argvs + j;
1022: state = MA_UNQUOTED;
1.116 djm 1023: if (lastquote != NULL)
1024: *lastquote = '\0';
1.97 djm 1025: }
1026: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1027: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1028: /*
1029: * Special case for sftp: append
1030: * escaped glob sequence -
1031: * glob will undo one level of
1032: * escaping.
1033: */
1034: argvs[j++] = arg[i++];
1035: argvs[j++] = arg[i];
1036: } else {
1037: /* Unescape everything */
1038: /* XXX support \n and friends? */
1039: i++;
1040: argvs[j++] = arg[i];
1041: }
1042: }
1043: } else if (arg[i] == '#') {
1044: if (state == MA_SQUOTE || state == MA_DQUOTE)
1045: argvs[j++] = arg[i];
1046: else
1047: goto string_done;
1048: } else if (arg[i] == '\0') {
1049: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1050: if (sloppy) {
1051: state = MA_UNQUOTED;
1052: if (terminated != NULL)
1053: *terminated = 0;
1054: goto string_done;
1055: }
1.97 djm 1056: error("Unterminated quoted argument");
1057: return NULL;
1058: }
1059: string_done:
1060: if (state == MA_UNQUOTED) {
1061: argvs[j++] = '\0';
1062: argc++;
1063: }
1064: break;
1065: } else {
1066: if (state == MA_START) {
1067: argv[argc] = argvs + j;
1068: state = MA_UNQUOTED;
1.116 djm 1069: if (lastquote != NULL)
1070: *lastquote = '\0';
1.97 djm 1071: }
1072: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1073: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1074: /*
1075: * Special case for sftp: escape quoted
1076: * glob(3) wildcards. NB. string can grow
1077: * here.
1078: */
1079: if (j >= sizeof(argvs) - 3)
1080: goto args_too_longs;
1081: argvs[j++] = '\\';
1082: argvs[j++] = arg[i];
1083: } else
1084: argvs[j++] = arg[i];
1085: }
1086: i++;
1087: }
1088: *argcp = argc;
1089: return argv;
1090: }
1091:
1.44 djm 1092: static int
1.116 djm 1093: parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag,
1.132 djm 1094: int *hflag, int *sflag, unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1095: {
1096: const char *cmd, *cp = *cpp;
1.97 djm 1097: char *cp2, **argv;
1.44 djm 1098: int base = 0;
1099: long l;
1.97 djm 1100: int i, cmdnum, optidx, argc;
1.44 djm 1101:
1102: /* Skip leading whitespace */
1103: cp = cp + strspn(cp, WHITESPACE);
1104:
1105: /* Check for leading '-' (disable error processing) */
1106: *iflag = 0;
1107: if (*cp == '-') {
1108: *iflag = 1;
1109: cp++;
1.118 dtucker 1110: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1111: }
1.118 dtucker 1112:
1113: /* Ignore blank lines and lines which begin with comment '#' char */
1114: if (*cp == '\0' || *cp == '#')
1115: return (0);
1.44 djm 1116:
1.116 djm 1117: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1118: return -1;
1119:
1.44 djm 1120: /* Figure out which command we have */
1.97 djm 1121: for (i = 0; cmds[i].c != NULL; i++) {
1122: if (strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1123: break;
1124: }
1125: cmdnum = cmds[i].n;
1126: cmd = cmds[i].c;
1127:
1128: /* Special case */
1129: if (*cp == '!') {
1130: cp++;
1131: cmdnum = I_SHELL;
1132: } else if (cmdnum == -1) {
1133: error("Invalid command.");
1.97 djm 1134: return -1;
1.44 djm 1135: }
1136:
1137: /* Get arguments and parse flags */
1.111 djm 1138: *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1139: *path1 = *path2 = NULL;
1.97 djm 1140: optidx = 1;
1.44 djm 1141: switch (cmdnum) {
1142: case I_GET:
1143: case I_PUT:
1.132 djm 1144: if ((optidx = parse_getput_flags(cmd, argv, argc,
1145: pflag, rflag)) == -1)
1.97 djm 1146: return -1;
1.44 djm 1147: /* Get first pathname (mandatory) */
1.97 djm 1148: if (argc - optidx < 1) {
1.44 djm 1149: error("You must specify at least one path after a "
1150: "%s command.", cmd);
1.97 djm 1151: return -1;
1152: }
1153: *path1 = xstrdup(argv[optidx]);
1154: /* Get second pathname (optional) */
1155: if (argc - optidx > 1) {
1156: *path2 = xstrdup(argv[optidx + 1]);
1157: /* Destination is not globbed */
1158: undo_glob_escape(*path2);
1.44 djm 1159: }
1160: break;
1.132 djm 1161: case I_LINK:
1162: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1163: return -1;
1164: case I_SYMLINK:
1.44 djm 1165: case I_RENAME:
1.97 djm 1166: if (argc - optidx < 2) {
1.44 djm 1167: error("You must specify two paths after a %s "
1168: "command.", cmd);
1.97 djm 1169: return -1;
1.44 djm 1170: }
1.97 djm 1171: *path1 = xstrdup(argv[optidx]);
1172: *path2 = xstrdup(argv[optidx + 1]);
1173: /* Paths are not globbed */
1174: undo_glob_escape(*path1);
1175: undo_glob_escape(*path2);
1.44 djm 1176: break;
1177: case I_RM:
1178: case I_MKDIR:
1179: case I_RMDIR:
1180: case I_CHDIR:
1181: case I_LCHDIR:
1182: case I_LMKDIR:
1183: /* Get pathname (mandatory) */
1.97 djm 1184: if (argc - optidx < 1) {
1.44 djm 1185: error("You must specify a path after a %s command.",
1186: cmd);
1.97 djm 1187: return -1;
1.44 djm 1188: }
1.97 djm 1189: *path1 = xstrdup(argv[optidx]);
1190: /* Only "rm" globs */
1191: if (cmdnum != I_RM)
1192: undo_glob_escape(*path1);
1.44 djm 1193: break;
1.100 djm 1194: case I_DF:
1195: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1196: iflag)) == -1)
1197: return -1;
1198: /* Default to current directory if no path specified */
1199: if (argc - optidx < 1)
1200: *path1 = NULL;
1201: else {
1202: *path1 = xstrdup(argv[optidx]);
1203: undo_glob_escape(*path1);
1204: }
1205: break;
1.44 djm 1206: case I_LS:
1.97 djm 1207: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1208: return(-1);
1209: /* Path is optional */
1.97 djm 1210: if (argc - optidx > 0)
1211: *path1 = xstrdup(argv[optidx]);
1.44 djm 1212: break;
1213: case I_LLS:
1.98 djm 1214: /* Skip ls command and following whitespace */
1215: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1216: case I_SHELL:
1217: /* Uses the rest of the line */
1218: break;
1219: case I_LUMASK:
1220: case I_CHMOD:
1221: base = 8;
1222: case I_CHOWN:
1223: case I_CHGRP:
1224: /* Get numeric arg (mandatory) */
1.97 djm 1225: if (argc - optidx < 1)
1226: goto need_num_arg;
1.93 ray 1227: errno = 0;
1.97 djm 1228: l = strtol(argv[optidx], &cp2, base);
1229: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1230: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1231: l < 0) {
1232: need_num_arg:
1.44 djm 1233: error("You must supply a numeric argument "
1234: "to the %s command.", cmd);
1.97 djm 1235: return -1;
1.44 djm 1236: }
1237: *n_arg = l;
1.97 djm 1238: if (cmdnum == I_LUMASK)
1.44 djm 1239: break;
1240: /* Get pathname (mandatory) */
1.97 djm 1241: if (argc - optidx < 2) {
1.44 djm 1242: error("You must specify a path after a %s command.",
1243: cmd);
1.97 djm 1244: return -1;
1.44 djm 1245: }
1.97 djm 1246: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1247: break;
1248: case I_QUIT:
1249: case I_PWD:
1250: case I_LPWD:
1251: case I_HELP:
1252: case I_VERSION:
1253: case I_PROGRESS:
1254: break;
1255: default:
1256: fatal("Command not implemented");
1257: }
1258:
1259: *cpp = cp;
1260: return(cmdnum);
1261: }
1262:
1263: static int
1264: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1265: int err_abort)
1266: {
1267: char *path1, *path2, *tmp;
1.132 djm 1268: int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, sflag = 0;
1269: int cmdnum, i;
1.107 dtucker 1270: unsigned long n_arg = 0;
1.44 djm 1271: Attrib a, *aa;
1272: char path_buf[MAXPATHLEN];
1273: int err = 0;
1274: glob_t g;
1275:
1276: path1 = path2 = NULL;
1.132 djm 1277: cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag,
1278: &sflag, &n_arg, &path1, &path2);
1.44 djm 1279:
1280: if (iflag != 0)
1281: err_abort = 0;
1282:
1283: memset(&g, 0, sizeof(g));
1284:
1285: /* Perform command */
1286: switch (cmdnum) {
1287: case 0:
1288: /* Blank line */
1289: break;
1290: case -1:
1291: /* Unrecognized command */
1292: err = -1;
1293: break;
1294: case I_GET:
1.111 djm 1295: err = process_get(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1296: break;
1297: case I_PUT:
1.111 djm 1298: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1299: break;
1300: case I_RENAME:
1301: path1 = make_absolute(path1, *pwd);
1302: path2 = make_absolute(path2, *pwd);
1303: err = do_rename(conn, path1, path2);
1304: break;
1305: case I_SYMLINK:
1.132 djm 1306: sflag = 1;
1307: case I_LINK:
1308: path1 = make_absolute(path1, *pwd);
1.44 djm 1309: path2 = make_absolute(path2, *pwd);
1.132 djm 1310: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1311: break;
1312: case I_RM:
1313: path1 = make_absolute(path1, *pwd);
1314: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1315: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1316: printf("Removing %s\n", g.gl_pathv[i]);
1317: err = do_rm(conn, g.gl_pathv[i]);
1318: if (err != 0 && err_abort)
1319: break;
1320: }
1321: break;
1322: case I_MKDIR:
1323: path1 = make_absolute(path1, *pwd);
1324: attrib_clear(&a);
1325: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1326: a.perm = 0777;
1.111 djm 1327: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1328: break;
1329: case I_RMDIR:
1330: path1 = make_absolute(path1, *pwd);
1331: err = do_rmdir(conn, path1);
1332: break;
1333: case I_CHDIR:
1334: path1 = make_absolute(path1, *pwd);
1335: if ((tmp = do_realpath(conn, path1)) == NULL) {
1336: err = 1;
1337: break;
1338: }
1339: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1340: xfree(tmp);
1341: err = 1;
1342: break;
1343: }
1344: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1345: error("Can't change directory: Can't check target");
1346: xfree(tmp);
1347: err = 1;
1348: break;
1349: }
1350: if (!S_ISDIR(aa->perm)) {
1351: error("Can't change directory: \"%s\" is not "
1352: "a directory", tmp);
1353: xfree(tmp);
1354: err = 1;
1355: break;
1356: }
1357: xfree(*pwd);
1358: *pwd = tmp;
1359: break;
1360: case I_LS:
1361: if (!path1) {
1.125 djm 1362: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1363: break;
1364: }
1365:
1366: /* Strip pwd off beginning of non-absolute paths */
1367: tmp = NULL;
1368: if (*path1 != '/')
1369: tmp = *pwd;
1370:
1371: path1 = make_absolute(path1, *pwd);
1372: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1373: break;
1374: case I_DF:
1375: /* Default to current directory if no path specified */
1376: if (path1 == NULL)
1377: path1 = xstrdup(*pwd);
1378: path1 = make_absolute(path1, *pwd);
1379: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1380: break;
1381: case I_LCHDIR:
1382: if (chdir(path1) == -1) {
1383: error("Couldn't change local directory to "
1384: "\"%s\": %s", path1, strerror(errno));
1385: err = 1;
1386: }
1387: break;
1388: case I_LMKDIR:
1389: if (mkdir(path1, 0777) == -1) {
1390: error("Couldn't create local directory "
1391: "\"%s\": %s", path1, strerror(errno));
1392: err = 1;
1393: }
1394: break;
1395: case I_LLS:
1396: local_do_ls(cmd);
1397: break;
1398: case I_SHELL:
1399: local_do_shell(cmd);
1400: break;
1401: case I_LUMASK:
1402: umask(n_arg);
1403: printf("Local umask: %03lo\n", n_arg);
1404: break;
1405: case I_CHMOD:
1406: path1 = make_absolute(path1, *pwd);
1407: attrib_clear(&a);
1408: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1409: a.perm = n_arg;
1410: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1411: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1412: printf("Changing mode on %s\n", g.gl_pathv[i]);
1413: err = do_setstat(conn, g.gl_pathv[i], &a);
1414: if (err != 0 && err_abort)
1415: break;
1416: }
1417: break;
1418: case I_CHOWN:
1419: case I_CHGRP:
1420: path1 = make_absolute(path1, *pwd);
1421: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1422: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1423: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1424: if (err_abort) {
1425: err = -1;
1.44 djm 1426: break;
1.104 djm 1427: } else
1.44 djm 1428: continue;
1429: }
1430: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1431: error("Can't get current ownership of "
1432: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1433: if (err_abort) {
1434: err = -1;
1.44 djm 1435: break;
1.104 djm 1436: } else
1.44 djm 1437: continue;
1438: }
1439: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1440: if (cmdnum == I_CHOWN) {
1441: printf("Changing owner on %s\n", g.gl_pathv[i]);
1442: aa->uid = n_arg;
1443: } else {
1444: printf("Changing group on %s\n", g.gl_pathv[i]);
1445: aa->gid = n_arg;
1446: }
1447: err = do_setstat(conn, g.gl_pathv[i], aa);
1448: if (err != 0 && err_abort)
1449: break;
1450: }
1451: break;
1452: case I_PWD:
1453: printf("Remote working directory: %s\n", *pwd);
1454: break;
1455: case I_LPWD:
1456: if (!getcwd(path_buf, sizeof(path_buf))) {
1457: error("Couldn't get local cwd: %s", strerror(errno));
1458: err = -1;
1459: break;
1460: }
1461: printf("Local working directory: %s\n", path_buf);
1462: break;
1463: case I_QUIT:
1464: /* Processed below */
1465: break;
1466: case I_HELP:
1467: help();
1468: break;
1469: case I_VERSION:
1470: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1471: break;
1472: case I_PROGRESS:
1473: showprogress = !showprogress;
1474: if (showprogress)
1475: printf("Progress meter enabled\n");
1476: else
1477: printf("Progress meter disabled\n");
1478: break;
1479: default:
1480: fatal("%d is not implemented", cmdnum);
1481: }
1482:
1483: if (g.gl_pathc)
1484: globfree(&g);
1485: if (path1)
1486: xfree(path1);
1487: if (path2)
1488: xfree(path2);
1489:
1490: /* If an unignored error occurs in batch mode we should abort. */
1491: if (err_abort && err != 0)
1492: return (-1);
1493: else if (cmdnum == I_QUIT)
1494: return (1);
1495:
1496: return (0);
1497: }
1498:
1.57 djm 1499: static char *
1500: prompt(EditLine *el)
1501: {
1502: return ("sftp> ");
1503: }
1504:
1.116 djm 1505: /* Display entries in 'list' after skipping the first 'len' chars */
1506: static void
1507: complete_display(char **list, u_int len)
1508: {
1509: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1510: struct winsize ws;
1511: char *tmp;
1512:
1513: /* Count entries for sort and find longest */
1514: for (y = 0; list[y]; y++)
1515: m = MAX(m, strlen(list[y]));
1516:
1517: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1518: width = ws.ws_col;
1519:
1520: m = m > len ? m - len : 0;
1521: columns = width / (m + 2);
1522: columns = MAX(columns, 1);
1523: colspace = width / columns;
1524: colspace = MIN(colspace, width);
1525:
1526: printf("\n");
1527: m = 1;
1528: for (y = 0; list[y]; y++) {
1529: llen = strlen(list[y]);
1530: tmp = llen > len ? list[y] + len : "";
1531: printf("%-*s", colspace, tmp);
1532: if (m >= columns) {
1533: printf("\n");
1534: m = 1;
1535: } else
1536: m++;
1537: }
1538: printf("\n");
1539: }
1540:
1541: /*
1542: * Given a "list" of words that begin with a common prefix of "word",
1543: * attempt to find an autocompletion to extends "word" by the next
1544: * characters common to all entries in "list".
1545: */
1546: static char *
1547: complete_ambiguous(const char *word, char **list, size_t count)
1548: {
1549: if (word == NULL)
1550: return NULL;
1551:
1552: if (count > 0) {
1553: u_int y, matchlen = strlen(list[0]);
1554:
1555: /* Find length of common stem */
1556: for (y = 1; list[y]; y++) {
1557: u_int x;
1558:
1559: for (x = 0; x < matchlen; x++)
1560: if (list[0][x] != list[y][x])
1561: break;
1562:
1563: matchlen = x;
1564: }
1565:
1566: if (matchlen > strlen(word)) {
1567: char *tmp = xstrdup(list[0]);
1568:
1.117 dtucker 1569: tmp[matchlen] = '\0';
1.116 djm 1570: return tmp;
1571: }
1572: }
1573:
1574: return xstrdup(word);
1575: }
1576:
1577: /* Autocomplete a sftp command */
1578: static int
1579: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1580: int terminated)
1581: {
1582: u_int y, count = 0, cmdlen, tmplen;
1583: char *tmp, **list, argterm[3];
1584: const LineInfo *lf;
1585:
1586: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1587:
1588: /* No command specified: display all available commands */
1589: if (cmd == NULL) {
1590: for (y = 0; cmds[y].c; y++)
1591: list[count++] = xstrdup(cmds[y].c);
1592:
1593: list[count] = NULL;
1594: complete_display(list, 0);
1595:
1596: for (y = 0; list[y] != NULL; y++)
1597: xfree(list[y]);
1598: xfree(list);
1599: return count;
1600: }
1601:
1602: /* Prepare subset of commands that start with "cmd" */
1603: cmdlen = strlen(cmd);
1604: for (y = 0; cmds[y].c; y++) {
1605: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1606: list[count++] = xstrdup(cmds[y].c);
1607: }
1608: list[count] = NULL;
1609:
1.134 oga 1610: if (count == 0) {
1611: xfree(list);
1.116 djm 1612: return 0;
1.134 oga 1613: }
1.116 djm 1614:
1615: /* Complete ambigious command */
1616: tmp = complete_ambiguous(cmd, list, count);
1617: if (count > 1)
1618: complete_display(list, 0);
1619:
1620: for (y = 0; list[y]; y++)
1621: xfree(list[y]);
1622: xfree(list);
1623:
1624: if (tmp != NULL) {
1625: tmplen = strlen(tmp);
1626: cmdlen = strlen(cmd);
1627: /* If cmd may be extended then do so */
1628: if (tmplen > cmdlen)
1629: if (el_insertstr(el, tmp + cmdlen) == -1)
1630: fatal("el_insertstr failed.");
1631: lf = el_line(el);
1632: /* Terminate argument cleanly */
1633: if (count == 1) {
1634: y = 0;
1635: if (!terminated)
1636: argterm[y++] = quote;
1637: if (lastarg || *(lf->cursor) != ' ')
1638: argterm[y++] = ' ';
1639: argterm[y] = '\0';
1640: if (y > 0 && el_insertstr(el, argterm) == -1)
1641: fatal("el_insertstr failed.");
1642: }
1643: xfree(tmp);
1644: }
1645:
1646: return count;
1647: }
1648:
1649: /*
1650: * Determine whether a particular sftp command's arguments (if any)
1651: * represent local or remote files.
1652: */
1653: static int
1654: complete_is_remote(char *cmd) {
1655: int i;
1656:
1657: if (cmd == NULL)
1658: return -1;
1659:
1660: for (i = 0; cmds[i].c; i++) {
1661: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1662: return cmds[i].t;
1663: }
1664:
1665: return -1;
1666: }
1667:
1668: /* Autocomplete a filename "file" */
1669: static int
1670: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1671: char *file, int remote, int lastarg, char quote, int terminated)
1672: {
1673: glob_t g;
1674: char *tmp, *tmp2, ins[3];
1675: u_int i, hadglob, pwdlen, len, tmplen, filelen;
1676: const LineInfo *lf;
1677:
1678: /* Glob from "file" location */
1679: if (file == NULL)
1680: tmp = xstrdup("*");
1681: else
1682: xasprintf(&tmp, "%s*", file);
1683:
1684: memset(&g, 0, sizeof(g));
1685: if (remote != LOCAL) {
1686: tmp = make_absolute(tmp, remote_path);
1687: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1688: } else
1689: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1690:
1691: /* Determine length of pwd so we can trim completion display */
1692: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1693: /* Terminate counting on first unescaped glob metacharacter */
1694: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1695: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1696: hadglob = 1;
1697: break;
1698: }
1699: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1700: tmplen++;
1701: if (tmp[tmplen] == '/')
1702: pwdlen = tmplen + 1; /* track last seen '/' */
1703: }
1704: xfree(tmp);
1705:
1706: if (g.gl_matchc == 0)
1707: goto out;
1708:
1709: if (g.gl_matchc > 1)
1710: complete_display(g.gl_pathv, pwdlen);
1711:
1712: tmp = NULL;
1713: /* Don't try to extend globs */
1714: if (file == NULL || hadglob)
1715: goto out;
1716:
1717: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1718: tmp = path_strip(tmp2, remote_path);
1719: xfree(tmp2);
1720:
1721: if (tmp == NULL)
1722: goto out;
1723:
1724: tmplen = strlen(tmp);
1725: filelen = strlen(file);
1726:
1727: if (tmplen > filelen) {
1728: tmp2 = tmp + filelen;
1729: len = strlen(tmp2);
1730: /* quote argument on way out */
1731: for (i = 0; i < len; i++) {
1732: ins[0] = '\\';
1733: ins[1] = tmp2[i];
1734: ins[2] = '\0';
1735: switch (tmp2[i]) {
1736: case '\'':
1737: case '"':
1738: case '\\':
1739: case '\t':
1.131 sthen 1740: case '[':
1.116 djm 1741: case ' ':
1742: if (quote == '\0' || tmp2[i] == quote) {
1743: if (el_insertstr(el, ins) == -1)
1744: fatal("el_insertstr "
1745: "failed.");
1746: break;
1747: }
1748: /* FALLTHROUGH */
1749: default:
1750: if (el_insertstr(el, ins + 1) == -1)
1751: fatal("el_insertstr failed.");
1752: break;
1753: }
1754: }
1755: }
1756:
1757: lf = el_line(el);
1758: if (g.gl_matchc == 1) {
1759: i = 0;
1760: if (!terminated)
1761: ins[i++] = quote;
1.120 djm 1762: if (*(lf->cursor - 1) != '/' &&
1763: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1764: ins[i++] = ' ';
1765: ins[i] = '\0';
1766: if (i > 0 && el_insertstr(el, ins) == -1)
1767: fatal("el_insertstr failed.");
1768: }
1769: xfree(tmp);
1770:
1771: out:
1772: globfree(&g);
1773: return g.gl_matchc;
1774: }
1775:
1776: /* tab-completion hook function, called via libedit */
1777: static unsigned char
1778: complete(EditLine *el, int ch)
1779: {
1780: char **argv, *line, quote;
1781: u_int argc, carg, cursor, len, terminated, ret = CC_ERROR;
1782: const LineInfo *lf;
1783: struct complete_ctx *complete_ctx;
1784:
1785: lf = el_line(el);
1786: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1787: fatal("%s: el_get failed", __func__);
1788:
1789: /* Figure out which argument the cursor points to */
1790: cursor = lf->cursor - lf->buffer;
1791: line = (char *)xmalloc(cursor + 1);
1792: memcpy(line, lf->buffer, cursor);
1793: line[cursor] = '\0';
1794: argv = makeargv(line, &carg, 1, "e, &terminated);
1795: xfree(line);
1796:
1797: /* Get all the arguments on the line */
1798: len = lf->lastchar - lf->buffer;
1799: line = (char *)xmalloc(len + 1);
1800: memcpy(line, lf->buffer, len);
1801: line[len] = '\0';
1802: argv = makeargv(line, &argc, 1, NULL, NULL);
1803:
1804: /* Ensure cursor is at EOL or a argument boundary */
1805: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1806: line[cursor] != '\n') {
1807: xfree(line);
1808: return ret;
1809: }
1810:
1811: if (carg == 0) {
1812: /* Show all available commands */
1813: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1814: ret = CC_REDISPLAY;
1815: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1816: /* Handle the command parsing */
1817: if (complete_cmd_parse(el, argv[0], argc == carg,
1818: quote, terminated) != 0)
1819: ret = CC_REDISPLAY;
1820: } else if (carg >= 1) {
1821: /* Handle file parsing */
1822: int remote = complete_is_remote(argv[0]);
1823: char *filematch = NULL;
1824:
1825: if (carg > 1 && line[cursor-1] != ' ')
1826: filematch = argv[carg - 1];
1827:
1828: if (remote != 0 &&
1829: complete_match(el, complete_ctx->conn,
1830: *complete_ctx->remote_pathp, filematch,
1831: remote, carg == argc, quote, terminated) != 0)
1832: ret = CC_REDISPLAY;
1833: }
1834:
1835: xfree(line);
1836: return ret;
1837: }
1838:
1.44 djm 1839: int
1.112 djm 1840: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1841: {
1.116 djm 1842: char *remote_path;
1.44 djm 1843: char *dir = NULL;
1844: char cmd[2048];
1.66 jaredy 1845: int err, interactive;
1.57 djm 1846: EditLine *el = NULL;
1847: History *hl = NULL;
1848: HistEvent hev;
1849: extern char *__progname;
1.116 djm 1850: struct complete_ctx complete_ctx;
1.57 djm 1851:
1852: if (!batchmode && isatty(STDIN_FILENO)) {
1853: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1854: fatal("Couldn't initialise editline");
1855: if ((hl = history_init()) == NULL)
1856: fatal("Couldn't initialise editline history");
1857: history(hl, &hev, H_SETSIZE, 100);
1858: el_set(el, EL_HIST, history, hl);
1859:
1860: el_set(el, EL_PROMPT, prompt);
1861: el_set(el, EL_EDITOR, "emacs");
1862: el_set(el, EL_TERMINAL, NULL);
1863: el_set(el, EL_SIGNAL, 1);
1864: el_source(el, NULL);
1.116 djm 1865:
1866: /* Tab Completion */
1867: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 1868: "Context sensitive argument completion", complete);
1.116 djm 1869: complete_ctx.conn = conn;
1870: complete_ctx.remote_pathp = &remote_path;
1871: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1872: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.57 djm 1873: }
1.44 djm 1874:
1.116 djm 1875: remote_path = do_realpath(conn, ".");
1876: if (remote_path == NULL)
1.44 djm 1877: fatal("Need cwd");
1878:
1879: if (file1 != NULL) {
1880: dir = xstrdup(file1);
1.116 djm 1881: dir = make_absolute(dir, remote_path);
1.44 djm 1882:
1883: if (remote_is_dir(conn, dir) && file2 == NULL) {
1884: printf("Changing to: %s\n", dir);
1885: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 1886: if (parse_dispatch_command(conn, cmd,
1887: &remote_path, 1) != 0) {
1.58 markus 1888: xfree(dir);
1.116 djm 1889: xfree(remote_path);
1.76 djm 1890: xfree(conn);
1.44 djm 1891: return (-1);
1.58 markus 1892: }
1.44 djm 1893: } else {
1894: if (file2 == NULL)
1895: snprintf(cmd, sizeof cmd, "get %s", dir);
1896: else
1897: snprintf(cmd, sizeof cmd, "get %s %s", dir,
1898: file2);
1899:
1.116 djm 1900: err = parse_dispatch_command(conn, cmd,
1901: &remote_path, 1);
1.44 djm 1902: xfree(dir);
1.116 djm 1903: xfree(remote_path);
1.76 djm 1904: xfree(conn);
1.44 djm 1905: return (err);
1906: }
1907: xfree(dir);
1908: }
1909:
1.135 ! djm 1910: setlinebuf(stdout);
! 1911: setlinebuf(infile);
1.44 djm 1912:
1.66 jaredy 1913: interactive = !batchmode && isatty(STDIN_FILENO);
1.44 djm 1914: err = 0;
1915: for (;;) {
1916: char *cp;
1.57 djm 1917: const char *line;
1918: int count = 0;
1.44 djm 1919:
1.46 djm 1920: signal(SIGINT, SIG_IGN);
1921:
1.57 djm 1922: if (el == NULL) {
1.66 jaredy 1923: if (interactive)
1924: printf("sftp> ");
1.57 djm 1925: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
1.66 jaredy 1926: if (interactive)
1927: printf("\n");
1.57 djm 1928: break;
1929: }
1.66 jaredy 1930: if (!interactive) { /* Echo command */
1931: printf("sftp> %s", cmd);
1932: if (strlen(cmd) > 0 &&
1933: cmd[strlen(cmd) - 1] != '\n')
1934: printf("\n");
1935: }
1.57 djm 1936: } else {
1.116 djm 1937: if ((line = el_gets(el, &count)) == NULL ||
1938: count <= 0) {
1.66 jaredy 1939: printf("\n");
1.57 djm 1940: break;
1.66 jaredy 1941: }
1.57 djm 1942: history(hl, &hev, H_ENTER, line);
1943: if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
1944: fprintf(stderr, "Error: input line too long\n");
1945: continue;
1946: }
1.44 djm 1947: }
1948:
1949: cp = strrchr(cmd, '\n');
1950: if (cp)
1951: *cp = '\0';
1952:
1.46 djm 1953: /* Handle user interrupts gracefully during commands */
1954: interrupted = 0;
1955: signal(SIGINT, cmd_interrupt);
1956:
1.116 djm 1957: err = parse_dispatch_command(conn, cmd, &remote_path,
1958: batchmode);
1.44 djm 1959: if (err != 0)
1960: break;
1961: }
1.116 djm 1962: xfree(remote_path);
1.76 djm 1963: xfree(conn);
1.66 jaredy 1964:
1965: if (el != NULL)
1966: el_end(el);
1.44 djm 1967:
1968: /* err == 1 signifies normal "quit" exit */
1969: return (err >= 0 ? 0 : -1);
1970: }
1.34 fgsch 1971:
1.18 itojun 1972: static void
1.36 djm 1973: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1974: {
1975: int c_in, c_out;
1.30 deraadt 1976:
1.1 djm 1977: int inout[2];
1.30 deraadt 1978:
1.1 djm 1979: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1980: fatal("socketpair: %s", strerror(errno));
1981: *in = *out = inout[0];
1982: c_in = c_out = inout[1];
1983:
1.36 djm 1984: if ((sshpid = fork()) == -1)
1.1 djm 1985: fatal("fork: %s", strerror(errno));
1.36 djm 1986: else if (sshpid == 0) {
1.1 djm 1987: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1988: (dup2(c_out, STDOUT_FILENO) == -1)) {
1989: fprintf(stderr, "dup2: %s\n", strerror(errno));
1.47 djm 1990: _exit(1);
1.1 djm 1991: }
1992: close(*in);
1993: close(*out);
1994: close(c_in);
1995: close(c_out);
1.46 djm 1996:
1997: /*
1998: * The underlying ssh is in the same process group, so we must
1.56 deraadt 1999: * ignore SIGINT if we want to gracefully abort commands,
2000: * otherwise the signal will make it to the ssh process and
1.122 guenther 2001: * kill it too. Contrawise, since sftp sends SIGTERMs to the
2002: * underlying ssh, it must *not* ignore that signal.
1.46 djm 2003: */
2004: signal(SIGINT, SIG_IGN);
1.122 guenther 2005: signal(SIGTERM, SIG_DFL);
1.49 dtucker 2006: execvp(path, args);
1.23 djm 2007: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.47 djm 2008: _exit(1);
1.1 djm 2009: }
2010:
1.36 djm 2011: signal(SIGTERM, killchild);
2012: signal(SIGINT, killchild);
2013: signal(SIGHUP, killchild);
1.1 djm 2014: close(c_in);
2015: close(c_out);
2016: }
2017:
1.18 itojun 2018: static void
1.1 djm 2019: usage(void)
2020: {
1.25 mpech 2021: extern char *__progname;
1.27 markus 2022:
1.19 stevesk 2023: fprintf(stderr,
1.111 djm 2024: "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
1.110 jmc 2025: " [-D sftp_server_path] [-F ssh_config] "
1.127 jmc 2026: "[-i identity_file] [-l limit]\n"
1.110 jmc 2027: " [-o ssh_option] [-P port] [-R num_requests] "
2028: "[-S program]\n"
1.108 djm 2029: " [-s subsystem | sftp_server] host\n"
1.105 djm 2030: " %s [user@]host[:file ...]\n"
2031: " %s [user@]host[:dir[/]]\n"
1.108 djm 2032: " %s -b batchfile [user@]host\n",
2033: __progname, __progname, __progname, __progname);
1.1 djm 2034: exit(1);
2035: }
2036:
1.2 stevesk 2037: int
1.1 djm 2038: main(int argc, char **argv)
2039: {
1.33 djm 2040: int in, out, ch, err;
1.117 dtucker 2041: char *host = NULL, *userhost, *cp, *file2 = NULL;
1.17 mouring 2042: int debug_level = 0, sshver = 2;
2043: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 2044: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.126 djm 2045: const char *errstr;
1.17 mouring 2046: LogLevel ll = SYSLOG_LEVEL_INFO;
2047: arglist args;
1.3 djm 2048: extern int optind;
2049: extern char *optarg;
1.112 djm 2050: struct sftp_conn *conn;
2051: size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
2052: size_t num_requests = DEFAULT_NUM_REQUESTS;
1.126 djm 2053: long long limit_kbps = 0;
1.67 djm 2054:
2055: /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
2056: sanitise_stdfd();
1.1 djm 2057:
1.70 djm 2058: memset(&args, '\0', sizeof(args));
1.17 mouring 2059: args.list = NULL;
1.80 djm 2060: addargs(&args, "%s", ssh_program);
1.17 mouring 2061: addargs(&args, "-oForwardX11 no");
2062: addargs(&args, "-oForwardAgent no");
1.69 reyk 2063: addargs(&args, "-oPermitLocalCommand no");
1.21 stevesk 2064: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 2065:
1.17 mouring 2066: ll = SYSLOG_LEVEL_INFO;
1.40 djm 2067: infile = stdin;
1.3 djm 2068:
1.109 djm 2069: while ((ch = getopt(argc, argv,
1.126 djm 2070: "1246hpqrvCc:D:i:l:o:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 2071: switch (ch) {
1.108 djm 2072: /* Passed through to ssh(1) */
2073: case '4':
2074: case '6':
1.3 djm 2075: case 'C':
1.108 djm 2076: addargs(&args, "-%c", ch);
2077: break;
2078: /* Passed through to ssh(1) with argument */
2079: case 'F':
2080: case 'c':
2081: case 'i':
2082: case 'o':
1.113 halex 2083: addargs(&args, "-%c", ch);
2084: addargs(&args, "%s", optarg);
1.108 djm 2085: break;
2086: case 'q':
2087: showprogress = 0;
2088: addargs(&args, "-%c", ch);
1.3 djm 2089: break;
1.109 djm 2090: case 'P':
2091: addargs(&args, "-oPort %s", optarg);
2092: break;
1.3 djm 2093: case 'v':
1.17 mouring 2094: if (debug_level < 3) {
2095: addargs(&args, "-v");
2096: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
2097: }
2098: debug_level++;
1.3 djm 2099: break;
1.7 markus 2100: case '1':
1.17 mouring 2101: sshver = 1;
1.7 markus 2102: if (sftp_server == NULL)
2103: sftp_server = _PATH_SFTP_SERVER;
2104: break;
1.108 djm 2105: case '2':
2106: sshver = 2;
1.7 markus 2107: break;
1.108 djm 2108: case 'B':
2109: copy_buffer_len = strtol(optarg, &cp, 10);
2110: if (copy_buffer_len == 0 || *cp != '\0')
2111: fatal("Invalid buffer size \"%s\"", optarg);
1.3 djm 2112: break;
1.10 deraadt 2113: case 'b':
1.39 djm 2114: if (batchmode)
2115: fatal("Batch file already specified.");
2116:
2117: /* Allow "-" as stdin */
1.56 deraadt 2118: if (strcmp(optarg, "-") != 0 &&
1.65 djm 2119: (infile = fopen(optarg, "r")) == NULL)
1.39 djm 2120: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 2121: showprogress = 0;
1.39 djm 2122: batchmode = 1;
1.62 djm 2123: addargs(&args, "-obatchmode yes");
1.10 deraadt 2124: break;
1.111 djm 2125: case 'p':
2126: global_pflag = 1;
2127: break;
1.109 djm 2128: case 'D':
1.23 djm 2129: sftp_direct = optarg;
1.111 djm 2130: break;
1.126 djm 2131: case 'l':
2132: limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
2133: &errstr);
2134: if (errstr != NULL)
2135: usage();
2136: limit_kbps *= 1024; /* kbps */
2137: break;
1.111 djm 2138: case 'r':
2139: global_rflag = 1;
1.24 djm 2140: break;
1.26 djm 2141: case 'R':
2142: num_requests = strtol(optarg, &cp, 10);
2143: if (num_requests == 0 || *cp != '\0')
1.27 markus 2144: fatal("Invalid number of requests \"%s\"",
1.26 djm 2145: optarg);
1.108 djm 2146: break;
2147: case 's':
2148: sftp_server = optarg;
2149: break;
2150: case 'S':
2151: ssh_program = optarg;
2152: replacearg(&args, 0, "%s", ssh_program);
1.23 djm 2153: break;
1.3 djm 2154: case 'h':
2155: default:
1.1 djm 2156: usage();
2157: }
2158: }
1.45 djm 2159:
2160: if (!isatty(STDERR_FILENO))
2161: showprogress = 0;
1.1 djm 2162:
1.29 markus 2163: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
2164:
1.23 djm 2165: if (sftp_direct == NULL) {
2166: if (optind == argc || argc > (optind + 2))
2167: usage();
2168:
2169: userhost = xstrdup(argv[optind]);
2170: file2 = argv[optind+1];
1.1 djm 2171:
1.32 markus 2172: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 2173: host = userhost;
2174: else {
2175: *host++ = '\0';
2176: if (!userhost[0]) {
2177: fprintf(stderr, "Missing username\n");
2178: usage();
2179: }
1.115 guenther 2180: addargs(&args, "-l");
2181: addargs(&args, "%s", userhost);
1.41 djm 2182: }
2183:
2184: if ((cp = colon(host)) != NULL) {
2185: *cp++ = '\0';
2186: file1 = cp;
1.23 djm 2187: }
1.3 djm 2188:
1.23 djm 2189: host = cleanhostname(host);
2190: if (!*host) {
2191: fprintf(stderr, "Missing hostname\n");
1.1 djm 2192: usage();
2193: }
2194:
1.23 djm 2195: addargs(&args, "-oProtocol %d", sshver);
2196:
2197: /* no subsystem if the server-spec contains a '/' */
2198: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
2199: addargs(&args, "-s");
2200:
1.115 guenther 2201: addargs(&args, "--");
1.23 djm 2202: addargs(&args, "%s", host);
1.27 markus 2203: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 2204: sftp_server : "sftp"));
2205:
1.36 djm 2206: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 2207: } else {
2208: args.list = NULL;
2209: addargs(&args, "sftp-server");
2210:
1.36 djm 2211: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 2212: }
1.70 djm 2213: freeargs(&args);
1.1 djm 2214:
1.126 djm 2215: conn = do_init(in, out, copy_buffer_len, num_requests, limit_kbps);
1.112 djm 2216: if (conn == NULL)
2217: fatal("Couldn't initialise connection to server");
2218:
2219: if (!batchmode) {
2220: if (sftp_direct == NULL)
2221: fprintf(stderr, "Connected to %s.\n", host);
2222: else
2223: fprintf(stderr, "Attached to %s.\n", sftp_direct);
2224: }
2225:
2226: err = interactive_loop(conn, file1, file2);
1.1 djm 2227:
2228: close(in);
2229: close(out);
1.39 djm 2230: if (batchmode)
1.10 deraadt 2231: fclose(infile);
1.1 djm 2232:
1.28 markus 2233: while (waitpid(sshpid, NULL, 0) == -1)
2234: if (errno != EINTR)
2235: fatal("Couldn't wait for ssh process: %s",
2236: strerror(errno));
1.1 djm 2237:
1.33 djm 2238: exit(err == 0 ? 0 : 1);
1.1 djm 2239: }