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1.137 ! djm 1: /* $OpenBSD: sftp.c,v 1.136 2012/06/22 14:36:33 dtucker Exp $ */
1.1 djm 2: /*
1.42 djm 3: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 4: *
1.42 djm 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 djm 8: *
1.42 djm 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 16: */
17:
1.91 deraadt 18: #include <sys/types.h>
1.72 stevesk 19: #include <sys/ioctl.h>
1.73 stevesk 20: #include <sys/wait.h>
1.75 stevesk 21: #include <sys/stat.h>
1.83 stevesk 22: #include <sys/socket.h>
1.88 stevesk 23: #include <sys/param.h>
1.100 djm 24: #include <sys/statvfs.h>
1.44 djm 25:
1.97 djm 26: #include <ctype.h>
1.85 stevesk 27: #include <errno.h>
1.44 djm 28: #include <glob.h>
1.57 djm 29: #include <histedit.h>
1.71 stevesk 30: #include <paths.h>
1.111 djm 31: #include <libgen.h>
1.74 stevesk 32: #include <signal.h>
1.89 stevesk 33: #include <stdlib.h>
1.90 stevesk 34: #include <stdio.h>
1.87 stevesk 35: #include <string.h>
1.86 stevesk 36: #include <unistd.h>
1.100 djm 37: #include <util.h>
1.91 deraadt 38: #include <stdarg.h>
1.1 djm 39:
40: #include "xmalloc.h"
41: #include "log.h"
42: #include "pathnames.h"
1.16 mouring 43: #include "misc.h"
1.1 djm 44:
45: #include "sftp.h"
1.91 deraadt 46: #include "buffer.h"
1.1 djm 47: #include "sftp-common.h"
48: #include "sftp-client.h"
1.43 djm 49:
1.112 djm 50: #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
51: #define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
52:
1.44 djm 53: /* File to read commands from */
54: FILE* infile;
1.15 mouring 55:
1.44 djm 56: /* Are we in batchfile mode? */
1.39 djm 57: int batchmode = 0;
1.44 djm 58:
59: /* PID of ssh transport process */
1.36 djm 60: static pid_t sshpid = -1;
1.7 markus 61:
1.44 djm 62: /* This is set to 0 if the progressmeter is not desired. */
1.45 djm 63: int showprogress = 1;
1.44 djm 64:
1.111 djm 65: /* When this option is set, we always recursively download/upload directories */
66: int global_rflag = 0;
67:
68: /* When this option is set, the file transfers will always preserve times */
69: int global_pflag = 0;
70:
1.46 djm 71: /* SIGINT received during command processing */
72: volatile sig_atomic_t interrupted = 0;
73:
1.52 djm 74: /* I wish qsort() took a separate ctx for the comparison function...*/
75: int sort_flag;
76:
1.116 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: char *fname, *lname;
1.44 djm 764: glob_t g;
1.128 djm 765: int err;
1.129 djm 766: struct winsize ws;
767: u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
1.44 djm 768:
769: memset(&g, 0, sizeof(g));
770:
1.128 djm 771: if (remote_glob(conn, path,
1.133 djm 772: GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT|GLOB_NOSORT,
773: NULL, &g) ||
1.128 djm 774: (g.gl_pathc && !g.gl_matchc)) {
1.60 fgsch 775: if (g.gl_pathc)
776: globfree(&g);
1.44 djm 777: error("Can't ls: \"%s\" not found", path);
1.128 djm 778: return -1;
1.44 djm 779: }
780:
1.46 djm 781: if (interrupted)
782: goto out;
783:
1.44 djm 784: /*
1.60 fgsch 785: * If the glob returns a single match and it is a directory,
786: * then just list its contents.
1.44 djm 787: */
1.128 djm 788: if (g.gl_matchc == 1 && g.gl_statv[0] != NULL &&
789: S_ISDIR(g.gl_statv[0]->st_mode)) {
790: err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
791: globfree(&g);
792: return err;
1.44 djm 793: }
794:
1.129 djm 795: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
796: width = ws.ws_col;
797:
1.53 djm 798: if (!(lflag & LS_SHORT_VIEW)) {
1.44 djm 799: /* Count entries for sort and find longest filename */
800: for (i = 0; g.gl_pathv[i]; i++)
801: m = MAX(m, strlen(g.gl_pathv[i]));
802:
803: columns = width / (m + 2);
804: columns = MAX(columns, 1);
805: colspace = width / columns;
806: }
807:
1.136 dtucker 808: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 809: fname = path_strip(g.gl_pathv[i], strip_path);
1.53 djm 810: if (lflag & LS_LONG_VIEW) {
1.128 djm 811: if (g.gl_statv[i] == NULL) {
812: error("no stat information for %s", fname);
813: continue;
814: }
815: lname = ls_file(fname, g.gl_statv[i], 1,
816: (lflag & LS_SI_UNITS));
1.44 djm 817: printf("%s\n", lname);
818: xfree(lname);
819: } else {
820: printf("%-*s", colspace, fname);
821: if (c >= columns) {
822: printf("\n");
823: c = 1;
824: } else
825: c++;
826: }
827: xfree(fname);
828: }
829:
1.53 djm 830: if (!(lflag & LS_LONG_VIEW) && (c != 1))
1.44 djm 831: printf("\n");
832:
1.46 djm 833: out:
1.44 djm 834: if (g.gl_pathc)
835: globfree(&g);
836:
1.128 djm 837: return 0;
1.44 djm 838: }
839:
1.100 djm 840: static int
841: do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
842: {
1.101 dtucker 843: struct sftp_statvfs st;
1.100 djm 844: char s_used[FMT_SCALED_STRSIZE];
845: char s_avail[FMT_SCALED_STRSIZE];
846: char s_root[FMT_SCALED_STRSIZE];
847: char s_total[FMT_SCALED_STRSIZE];
1.114 dtucker 848: unsigned long long ffree;
1.100 djm 849:
850: if (do_statvfs(conn, path, &st, 1) == -1)
851: return -1;
852: if (iflag) {
1.114 dtucker 853: ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
1.100 djm 854: printf(" Inodes Used Avail "
855: "(root) %%Capacity\n");
856: printf("%11llu %11llu %11llu %11llu %3llu%%\n",
857: (unsigned long long)st.f_files,
858: (unsigned long long)(st.f_files - st.f_ffree),
859: (unsigned long long)st.f_favail,
1.114 dtucker 860: (unsigned long long)st.f_ffree, ffree);
1.100 djm 861: } else if (hflag) {
862: strlcpy(s_used, "error", sizeof(s_used));
863: strlcpy(s_avail, "error", sizeof(s_avail));
864: strlcpy(s_root, "error", sizeof(s_root));
865: strlcpy(s_total, "error", sizeof(s_total));
866: fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
867: fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
868: fmt_scaled(st.f_bfree * st.f_frsize, s_root);
869: fmt_scaled(st.f_blocks * st.f_frsize, s_total);
870: printf(" Size Used Avail (root) %%Capacity\n");
871: printf("%7sB %7sB %7sB %7sB %3llu%%\n",
872: s_total, s_used, s_avail, s_root,
873: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
874: st.f_blocks));
875: } else {
876: printf(" Size Used Avail "
877: "(root) %%Capacity\n");
878: printf("%12llu %12llu %12llu %12llu %3llu%%\n",
879: (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
880: (unsigned long long)(st.f_frsize *
881: (st.f_blocks - st.f_bfree) / 1024),
882: (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
883: (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
884: (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
885: st.f_blocks));
886: }
887: return 0;
888: }
889:
1.97 djm 890: /*
891: * Undo escaping of glob sequences in place. Used to undo extra escaping
892: * applied in makeargv() when the string is destined for a function that
893: * does not glob it.
894: */
895: static void
896: undo_glob_escape(char *s)
897: {
898: size_t i, j;
899:
900: for (i = j = 0;;) {
901: if (s[i] == '\0') {
902: s[j] = '\0';
903: return;
904: }
905: if (s[i] != '\\') {
906: s[j++] = s[i++];
907: continue;
908: }
909: /* s[i] == '\\' */
910: ++i;
911: switch (s[i]) {
912: case '?':
913: case '[':
914: case '*':
915: case '\\':
916: s[j++] = s[i++];
917: break;
918: case '\0':
919: s[j++] = '\\';
920: s[j] = '\0';
921: return;
922: default:
923: s[j++] = '\\';
924: s[j++] = s[i++];
925: break;
926: }
927: }
928: }
929:
930: /*
931: * Split a string into an argument vector using sh(1)-style quoting,
932: * comment and escaping rules, but with some tweaks to handle glob(3)
933: * wildcards.
1.116 djm 934: * The "sloppy" flag allows for recovery from missing terminating quote, for
935: * use in parsing incomplete commandlines during tab autocompletion.
936: *
1.97 djm 937: * Returns NULL on error or a NULL-terminated array of arguments.
1.116 djm 938: *
939: * If "lastquote" is not NULL, the quoting character used for the last
940: * argument is placed in *lastquote ("\0", "'" or "\"").
941: *
942: * If "terminated" is not NULL, *terminated will be set to 1 when the
943: * last argument's quote has been properly terminated or 0 otherwise.
944: * This parameter is only of use if "sloppy" is set.
1.97 djm 945: */
946: #define MAXARGS 128
947: #define MAXARGLEN 8192
948: static char **
1.116 djm 949: makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
950: u_int *terminated)
1.97 djm 951: {
952: int argc, quot;
953: size_t i, j;
954: static char argvs[MAXARGLEN];
955: static char *argv[MAXARGS + 1];
956: enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
957:
958: *argcp = argc = 0;
959: if (strlen(arg) > sizeof(argvs) - 1) {
960: args_too_longs:
961: error("string too long");
962: return NULL;
963: }
1.116 djm 964: if (terminated != NULL)
965: *terminated = 1;
966: if (lastquote != NULL)
967: *lastquote = '\0';
1.97 djm 968: state = MA_START;
969: i = j = 0;
970: for (;;) {
971: if (isspace(arg[i])) {
972: if (state == MA_UNQUOTED) {
973: /* Terminate current argument */
974: argvs[j++] = '\0';
975: argc++;
976: state = MA_START;
977: } else if (state != MA_START)
978: argvs[j++] = arg[i];
979: } else if (arg[i] == '"' || arg[i] == '\'') {
980: q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
981: if (state == MA_START) {
982: argv[argc] = argvs + j;
983: state = q;
1.116 djm 984: if (lastquote != NULL)
985: *lastquote = arg[i];
1.97 djm 986: } else if (state == MA_UNQUOTED)
987: state = q;
988: else if (state == q)
989: state = MA_UNQUOTED;
990: else
991: argvs[j++] = arg[i];
992: } else if (arg[i] == '\\') {
993: if (state == MA_SQUOTE || state == MA_DQUOTE) {
994: quot = state == MA_SQUOTE ? '\'' : '"';
995: /* Unescape quote we are in */
996: /* XXX support \n and friends? */
997: if (arg[i + 1] == quot) {
998: i++;
999: argvs[j++] = arg[i];
1000: } else if (arg[i + 1] == '?' ||
1001: arg[i + 1] == '[' || arg[i + 1] == '*') {
1002: /*
1003: * Special case for sftp: append
1004: * double-escaped glob sequence -
1005: * glob will undo one level of
1006: * escaping. NB. string can grow here.
1007: */
1008: if (j >= sizeof(argvs) - 5)
1009: goto args_too_longs;
1010: argvs[j++] = '\\';
1011: argvs[j++] = arg[i++];
1012: argvs[j++] = '\\';
1013: argvs[j++] = arg[i];
1014: } else {
1015: argvs[j++] = arg[i++];
1016: argvs[j++] = arg[i];
1017: }
1018: } else {
1019: if (state == MA_START) {
1020: argv[argc] = argvs + j;
1021: state = MA_UNQUOTED;
1.116 djm 1022: if (lastquote != NULL)
1023: *lastquote = '\0';
1.97 djm 1024: }
1025: if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
1026: arg[i + 1] == '*' || arg[i + 1] == '\\') {
1027: /*
1028: * Special case for sftp: append
1029: * escaped glob sequence -
1030: * glob will undo one level of
1031: * escaping.
1032: */
1033: argvs[j++] = arg[i++];
1034: argvs[j++] = arg[i];
1035: } else {
1036: /* Unescape everything */
1037: /* XXX support \n and friends? */
1038: i++;
1039: argvs[j++] = arg[i];
1040: }
1041: }
1042: } else if (arg[i] == '#') {
1043: if (state == MA_SQUOTE || state == MA_DQUOTE)
1044: argvs[j++] = arg[i];
1045: else
1046: goto string_done;
1047: } else if (arg[i] == '\0') {
1048: if (state == MA_SQUOTE || state == MA_DQUOTE) {
1.116 djm 1049: if (sloppy) {
1050: state = MA_UNQUOTED;
1051: if (terminated != NULL)
1052: *terminated = 0;
1053: goto string_done;
1054: }
1.97 djm 1055: error("Unterminated quoted argument");
1056: return NULL;
1057: }
1058: string_done:
1059: if (state == MA_UNQUOTED) {
1060: argvs[j++] = '\0';
1061: argc++;
1062: }
1063: break;
1064: } else {
1065: if (state == MA_START) {
1066: argv[argc] = argvs + j;
1067: state = MA_UNQUOTED;
1.116 djm 1068: if (lastquote != NULL)
1069: *lastquote = '\0';
1.97 djm 1070: }
1071: if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
1072: (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
1073: /*
1074: * Special case for sftp: escape quoted
1075: * glob(3) wildcards. NB. string can grow
1076: * here.
1077: */
1078: if (j >= sizeof(argvs) - 3)
1079: goto args_too_longs;
1080: argvs[j++] = '\\';
1081: argvs[j++] = arg[i];
1082: } else
1083: argvs[j++] = arg[i];
1084: }
1085: i++;
1086: }
1087: *argcp = argc;
1088: return argv;
1089: }
1090:
1.44 djm 1091: static int
1.116 djm 1092: parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag,
1.132 djm 1093: int *hflag, int *sflag, unsigned long *n_arg, char **path1, char **path2)
1.44 djm 1094: {
1095: const char *cmd, *cp = *cpp;
1.97 djm 1096: char *cp2, **argv;
1.44 djm 1097: int base = 0;
1098: long l;
1.97 djm 1099: int i, cmdnum, optidx, argc;
1.44 djm 1100:
1101: /* Skip leading whitespace */
1102: cp = cp + strspn(cp, WHITESPACE);
1103:
1104: /* Check for leading '-' (disable error processing) */
1105: *iflag = 0;
1106: if (*cp == '-') {
1107: *iflag = 1;
1108: cp++;
1.118 dtucker 1109: cp = cp + strspn(cp, WHITESPACE);
1.44 djm 1110: }
1.118 dtucker 1111:
1112: /* Ignore blank lines and lines which begin with comment '#' char */
1113: if (*cp == '\0' || *cp == '#')
1114: return (0);
1.44 djm 1115:
1.116 djm 1116: if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
1.97 djm 1117: return -1;
1118:
1.44 djm 1119: /* Figure out which command we have */
1.97 djm 1120: for (i = 0; cmds[i].c != NULL; i++) {
1121: if (strcasecmp(cmds[i].c, argv[0]) == 0)
1.44 djm 1122: break;
1123: }
1124: cmdnum = cmds[i].n;
1125: cmd = cmds[i].c;
1126:
1127: /* Special case */
1128: if (*cp == '!') {
1129: cp++;
1130: cmdnum = I_SHELL;
1131: } else if (cmdnum == -1) {
1132: error("Invalid command.");
1.97 djm 1133: return -1;
1.44 djm 1134: }
1135:
1136: /* Get arguments and parse flags */
1.111 djm 1137: *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
1.44 djm 1138: *path1 = *path2 = NULL;
1.97 djm 1139: optidx = 1;
1.44 djm 1140: switch (cmdnum) {
1141: case I_GET:
1142: case I_PUT:
1.132 djm 1143: if ((optidx = parse_getput_flags(cmd, argv, argc,
1144: pflag, rflag)) == -1)
1.97 djm 1145: return -1;
1.44 djm 1146: /* Get first pathname (mandatory) */
1.97 djm 1147: if (argc - optidx < 1) {
1.44 djm 1148: error("You must specify at least one path after a "
1149: "%s command.", cmd);
1.97 djm 1150: return -1;
1151: }
1152: *path1 = xstrdup(argv[optidx]);
1153: /* Get second pathname (optional) */
1154: if (argc - optidx > 1) {
1155: *path2 = xstrdup(argv[optidx + 1]);
1156: /* Destination is not globbed */
1157: undo_glob_escape(*path2);
1.44 djm 1158: }
1159: break;
1.132 djm 1160: case I_LINK:
1161: if ((optidx = parse_link_flags(cmd, argv, argc, sflag)) == -1)
1162: return -1;
1163: case I_SYMLINK:
1.44 djm 1164: case I_RENAME:
1.97 djm 1165: if (argc - optidx < 2) {
1.44 djm 1166: error("You must specify two paths after a %s "
1167: "command.", cmd);
1.97 djm 1168: return -1;
1.44 djm 1169: }
1.97 djm 1170: *path1 = xstrdup(argv[optidx]);
1171: *path2 = xstrdup(argv[optidx + 1]);
1172: /* Paths are not globbed */
1173: undo_glob_escape(*path1);
1174: undo_glob_escape(*path2);
1.44 djm 1175: break;
1176: case I_RM:
1177: case I_MKDIR:
1178: case I_RMDIR:
1179: case I_CHDIR:
1180: case I_LCHDIR:
1181: case I_LMKDIR:
1182: /* Get pathname (mandatory) */
1.97 djm 1183: if (argc - optidx < 1) {
1.44 djm 1184: error("You must specify a path after a %s command.",
1185: cmd);
1.97 djm 1186: return -1;
1.44 djm 1187: }
1.97 djm 1188: *path1 = xstrdup(argv[optidx]);
1189: /* Only "rm" globs */
1190: if (cmdnum != I_RM)
1191: undo_glob_escape(*path1);
1.44 djm 1192: break;
1.100 djm 1193: case I_DF:
1194: if ((optidx = parse_df_flags(cmd, argv, argc, hflag,
1195: iflag)) == -1)
1196: return -1;
1197: /* Default to current directory if no path specified */
1198: if (argc - optidx < 1)
1199: *path1 = NULL;
1200: else {
1201: *path1 = xstrdup(argv[optidx]);
1202: undo_glob_escape(*path1);
1203: }
1204: break;
1.44 djm 1205: case I_LS:
1.97 djm 1206: if ((optidx = parse_ls_flags(argv, argc, lflag)) == -1)
1.44 djm 1207: return(-1);
1208: /* Path is optional */
1.97 djm 1209: if (argc - optidx > 0)
1210: *path1 = xstrdup(argv[optidx]);
1.44 djm 1211: break;
1212: case I_LLS:
1.98 djm 1213: /* Skip ls command and following whitespace */
1214: cp = cp + strlen(cmd) + strspn(cp, WHITESPACE);
1.44 djm 1215: case I_SHELL:
1216: /* Uses the rest of the line */
1217: break;
1218: case I_LUMASK:
1219: case I_CHMOD:
1220: base = 8;
1221: case I_CHOWN:
1222: case I_CHGRP:
1223: /* Get numeric arg (mandatory) */
1.97 djm 1224: if (argc - optidx < 1)
1225: goto need_num_arg;
1.93 ray 1226: errno = 0;
1.97 djm 1227: l = strtol(argv[optidx], &cp2, base);
1228: if (cp2 == argv[optidx] || *cp2 != '\0' ||
1229: ((l == LONG_MIN || l == LONG_MAX) && errno == ERANGE) ||
1230: l < 0) {
1231: need_num_arg:
1.44 djm 1232: error("You must supply a numeric argument "
1233: "to the %s command.", cmd);
1.97 djm 1234: return -1;
1.44 djm 1235: }
1236: *n_arg = l;
1.97 djm 1237: if (cmdnum == I_LUMASK)
1.44 djm 1238: break;
1239: /* Get pathname (mandatory) */
1.97 djm 1240: if (argc - optidx < 2) {
1.44 djm 1241: error("You must specify a path after a %s command.",
1242: cmd);
1.97 djm 1243: return -1;
1.44 djm 1244: }
1.97 djm 1245: *path1 = xstrdup(argv[optidx + 1]);
1.44 djm 1246: break;
1247: case I_QUIT:
1248: case I_PWD:
1249: case I_LPWD:
1250: case I_HELP:
1251: case I_VERSION:
1252: case I_PROGRESS:
1253: break;
1254: default:
1255: fatal("Command not implemented");
1256: }
1257:
1258: *cpp = cp;
1259: return(cmdnum);
1260: }
1261:
1262: static int
1263: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
1264: int err_abort)
1265: {
1266: char *path1, *path2, *tmp;
1.132 djm 1267: int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, sflag = 0;
1268: int cmdnum, i;
1.107 dtucker 1269: unsigned long n_arg = 0;
1.44 djm 1270: Attrib a, *aa;
1271: char path_buf[MAXPATHLEN];
1272: int err = 0;
1273: glob_t g;
1274:
1275: path1 = path2 = NULL;
1.132 djm 1276: cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag,
1277: &sflag, &n_arg, &path1, &path2);
1.44 djm 1278:
1279: if (iflag != 0)
1280: err_abort = 0;
1281:
1282: memset(&g, 0, sizeof(g));
1283:
1284: /* Perform command */
1285: switch (cmdnum) {
1286: case 0:
1287: /* Blank line */
1288: break;
1289: case -1:
1290: /* Unrecognized command */
1291: err = -1;
1292: break;
1293: case I_GET:
1.111 djm 1294: err = process_get(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1295: break;
1296: case I_PUT:
1.111 djm 1297: err = process_put(conn, path1, path2, *pwd, pflag, rflag);
1.44 djm 1298: break;
1299: case I_RENAME:
1300: path1 = make_absolute(path1, *pwd);
1301: path2 = make_absolute(path2, *pwd);
1302: err = do_rename(conn, path1, path2);
1303: break;
1304: case I_SYMLINK:
1.132 djm 1305: sflag = 1;
1306: case I_LINK:
1307: path1 = make_absolute(path1, *pwd);
1.44 djm 1308: path2 = make_absolute(path2, *pwd);
1.132 djm 1309: err = (sflag ? do_symlink : do_hardlink)(conn, path1, path2);
1.44 djm 1310: break;
1311: case I_RM:
1312: path1 = make_absolute(path1, *pwd);
1313: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1314: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1315: printf("Removing %s\n", g.gl_pathv[i]);
1316: err = do_rm(conn, g.gl_pathv[i]);
1317: if (err != 0 && err_abort)
1318: break;
1319: }
1320: break;
1321: case I_MKDIR:
1322: path1 = make_absolute(path1, *pwd);
1323: attrib_clear(&a);
1324: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1325: a.perm = 0777;
1.111 djm 1326: err = do_mkdir(conn, path1, &a, 1);
1.44 djm 1327: break;
1328: case I_RMDIR:
1329: path1 = make_absolute(path1, *pwd);
1330: err = do_rmdir(conn, path1);
1331: break;
1332: case I_CHDIR:
1333: path1 = make_absolute(path1, *pwd);
1334: if ((tmp = do_realpath(conn, path1)) == NULL) {
1335: err = 1;
1336: break;
1337: }
1338: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
1339: xfree(tmp);
1340: err = 1;
1341: break;
1342: }
1343: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
1344: error("Can't change directory: Can't check target");
1345: xfree(tmp);
1346: err = 1;
1347: break;
1348: }
1349: if (!S_ISDIR(aa->perm)) {
1350: error("Can't change directory: \"%s\" is not "
1351: "a directory", tmp);
1352: xfree(tmp);
1353: err = 1;
1354: break;
1355: }
1356: xfree(*pwd);
1357: *pwd = tmp;
1358: break;
1359: case I_LS:
1360: if (!path1) {
1.125 djm 1361: do_ls_dir(conn, *pwd, *pwd, lflag);
1.44 djm 1362: break;
1363: }
1364:
1365: /* Strip pwd off beginning of non-absolute paths */
1366: tmp = NULL;
1367: if (*path1 != '/')
1368: tmp = *pwd;
1369:
1370: path1 = make_absolute(path1, *pwd);
1371: err = do_globbed_ls(conn, path1, tmp, lflag);
1.100 djm 1372: break;
1373: case I_DF:
1374: /* Default to current directory if no path specified */
1375: if (path1 == NULL)
1376: path1 = xstrdup(*pwd);
1377: path1 = make_absolute(path1, *pwd);
1378: err = do_df(conn, path1, hflag, iflag);
1.44 djm 1379: break;
1380: case I_LCHDIR:
1381: if (chdir(path1) == -1) {
1382: error("Couldn't change local directory to "
1383: "\"%s\": %s", path1, strerror(errno));
1384: err = 1;
1385: }
1386: break;
1387: case I_LMKDIR:
1388: if (mkdir(path1, 0777) == -1) {
1389: error("Couldn't create local directory "
1390: "\"%s\": %s", path1, strerror(errno));
1391: err = 1;
1392: }
1393: break;
1394: case I_LLS:
1395: local_do_ls(cmd);
1396: break;
1397: case I_SHELL:
1398: local_do_shell(cmd);
1399: break;
1400: case I_LUMASK:
1401: umask(n_arg);
1402: printf("Local umask: %03lo\n", n_arg);
1403: break;
1404: case I_CHMOD:
1405: path1 = make_absolute(path1, *pwd);
1406: attrib_clear(&a);
1407: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
1408: a.perm = n_arg;
1409: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1410: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1411: printf("Changing mode on %s\n", g.gl_pathv[i]);
1412: err = do_setstat(conn, g.gl_pathv[i], &a);
1413: if (err != 0 && err_abort)
1414: break;
1415: }
1416: break;
1417: case I_CHOWN:
1418: case I_CHGRP:
1419: path1 = make_absolute(path1, *pwd);
1420: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
1.46 djm 1421: for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
1.44 djm 1422: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
1.104 djm 1423: if (err_abort) {
1424: err = -1;
1.44 djm 1425: break;
1.104 djm 1426: } else
1.44 djm 1427: continue;
1428: }
1429: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
1430: error("Can't get current ownership of "
1431: "remote file \"%s\"", g.gl_pathv[i]);
1.104 djm 1432: if (err_abort) {
1433: err = -1;
1.44 djm 1434: break;
1.104 djm 1435: } else
1.44 djm 1436: continue;
1437: }
1438: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
1439: if (cmdnum == I_CHOWN) {
1440: printf("Changing owner on %s\n", g.gl_pathv[i]);
1441: aa->uid = n_arg;
1442: } else {
1443: printf("Changing group on %s\n", g.gl_pathv[i]);
1444: aa->gid = n_arg;
1445: }
1446: err = do_setstat(conn, g.gl_pathv[i], aa);
1447: if (err != 0 && err_abort)
1448: break;
1449: }
1450: break;
1451: case I_PWD:
1452: printf("Remote working directory: %s\n", *pwd);
1453: break;
1454: case I_LPWD:
1455: if (!getcwd(path_buf, sizeof(path_buf))) {
1456: error("Couldn't get local cwd: %s", strerror(errno));
1457: err = -1;
1458: break;
1459: }
1460: printf("Local working directory: %s\n", path_buf);
1461: break;
1462: case I_QUIT:
1463: /* Processed below */
1464: break;
1465: case I_HELP:
1466: help();
1467: break;
1468: case I_VERSION:
1469: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
1470: break;
1471: case I_PROGRESS:
1472: showprogress = !showprogress;
1473: if (showprogress)
1474: printf("Progress meter enabled\n");
1475: else
1476: printf("Progress meter disabled\n");
1477: break;
1478: default:
1479: fatal("%d is not implemented", cmdnum);
1480: }
1481:
1482: if (g.gl_pathc)
1483: globfree(&g);
1484: if (path1)
1485: xfree(path1);
1486: if (path2)
1487: xfree(path2);
1488:
1489: /* If an unignored error occurs in batch mode we should abort. */
1490: if (err_abort && err != 0)
1491: return (-1);
1492: else if (cmdnum == I_QUIT)
1493: return (1);
1494:
1495: return (0);
1496: }
1497:
1.57 djm 1498: static char *
1499: prompt(EditLine *el)
1500: {
1501: return ("sftp> ");
1502: }
1503:
1.116 djm 1504: /* Display entries in 'list' after skipping the first 'len' chars */
1505: static void
1506: complete_display(char **list, u_int len)
1507: {
1508: u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
1509: struct winsize ws;
1510: char *tmp;
1511:
1512: /* Count entries for sort and find longest */
1513: for (y = 0; list[y]; y++)
1514: m = MAX(m, strlen(list[y]));
1515:
1516: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
1517: width = ws.ws_col;
1518:
1519: m = m > len ? m - len : 0;
1520: columns = width / (m + 2);
1521: columns = MAX(columns, 1);
1522: colspace = width / columns;
1523: colspace = MIN(colspace, width);
1524:
1525: printf("\n");
1526: m = 1;
1527: for (y = 0; list[y]; y++) {
1528: llen = strlen(list[y]);
1529: tmp = llen > len ? list[y] + len : "";
1530: printf("%-*s", colspace, tmp);
1531: if (m >= columns) {
1532: printf("\n");
1533: m = 1;
1534: } else
1535: m++;
1536: }
1537: printf("\n");
1538: }
1539:
1540: /*
1541: * Given a "list" of words that begin with a common prefix of "word",
1542: * attempt to find an autocompletion to extends "word" by the next
1543: * characters common to all entries in "list".
1544: */
1545: static char *
1546: complete_ambiguous(const char *word, char **list, size_t count)
1547: {
1548: if (word == NULL)
1549: return NULL;
1550:
1551: if (count > 0) {
1552: u_int y, matchlen = strlen(list[0]);
1553:
1554: /* Find length of common stem */
1555: for (y = 1; list[y]; y++) {
1556: u_int x;
1557:
1558: for (x = 0; x < matchlen; x++)
1559: if (list[0][x] != list[y][x])
1560: break;
1561:
1562: matchlen = x;
1563: }
1564:
1565: if (matchlen > strlen(word)) {
1566: char *tmp = xstrdup(list[0]);
1567:
1.117 dtucker 1568: tmp[matchlen] = '\0';
1.116 djm 1569: return tmp;
1570: }
1571: }
1572:
1573: return xstrdup(word);
1574: }
1575:
1576: /* Autocomplete a sftp command */
1577: static int
1578: complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
1579: int terminated)
1580: {
1581: u_int y, count = 0, cmdlen, tmplen;
1582: char *tmp, **list, argterm[3];
1583: const LineInfo *lf;
1584:
1585: list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
1586:
1587: /* No command specified: display all available commands */
1588: if (cmd == NULL) {
1589: for (y = 0; cmds[y].c; y++)
1590: list[count++] = xstrdup(cmds[y].c);
1591:
1592: list[count] = NULL;
1593: complete_display(list, 0);
1594:
1595: for (y = 0; list[y] != NULL; y++)
1596: xfree(list[y]);
1597: xfree(list);
1598: return count;
1599: }
1600:
1601: /* Prepare subset of commands that start with "cmd" */
1602: cmdlen = strlen(cmd);
1603: for (y = 0; cmds[y].c; y++) {
1604: if (!strncasecmp(cmd, cmds[y].c, cmdlen))
1605: list[count++] = xstrdup(cmds[y].c);
1606: }
1607: list[count] = NULL;
1608:
1.134 oga 1609: if (count == 0) {
1610: xfree(list);
1.116 djm 1611: return 0;
1.134 oga 1612: }
1.116 djm 1613:
1614: /* Complete ambigious command */
1615: tmp = complete_ambiguous(cmd, list, count);
1616: if (count > 1)
1617: complete_display(list, 0);
1618:
1619: for (y = 0; list[y]; y++)
1620: xfree(list[y]);
1621: xfree(list);
1622:
1623: if (tmp != NULL) {
1624: tmplen = strlen(tmp);
1625: cmdlen = strlen(cmd);
1626: /* If cmd may be extended then do so */
1627: if (tmplen > cmdlen)
1628: if (el_insertstr(el, tmp + cmdlen) == -1)
1629: fatal("el_insertstr failed.");
1630: lf = el_line(el);
1631: /* Terminate argument cleanly */
1632: if (count == 1) {
1633: y = 0;
1634: if (!terminated)
1635: argterm[y++] = quote;
1636: if (lastarg || *(lf->cursor) != ' ')
1637: argterm[y++] = ' ';
1638: argterm[y] = '\0';
1639: if (y > 0 && el_insertstr(el, argterm) == -1)
1640: fatal("el_insertstr failed.");
1641: }
1642: xfree(tmp);
1643: }
1644:
1645: return count;
1646: }
1647:
1648: /*
1649: * Determine whether a particular sftp command's arguments (if any)
1650: * represent local or remote files.
1651: */
1652: static int
1653: complete_is_remote(char *cmd) {
1654: int i;
1655:
1656: if (cmd == NULL)
1657: return -1;
1658:
1659: for (i = 0; cmds[i].c; i++) {
1660: if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
1661: return cmds[i].t;
1662: }
1663:
1664: return -1;
1665: }
1666:
1667: /* Autocomplete a filename "file" */
1668: static int
1669: complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
1670: char *file, int remote, int lastarg, char quote, int terminated)
1671: {
1672: glob_t g;
1673: char *tmp, *tmp2, ins[3];
1674: u_int i, hadglob, pwdlen, len, tmplen, filelen;
1675: const LineInfo *lf;
1676:
1677: /* Glob from "file" location */
1678: if (file == NULL)
1679: tmp = xstrdup("*");
1680: else
1681: xasprintf(&tmp, "%s*", file);
1682:
1683: memset(&g, 0, sizeof(g));
1684: if (remote != LOCAL) {
1685: tmp = make_absolute(tmp, remote_path);
1686: remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1687: } else
1688: glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
1689:
1690: /* Determine length of pwd so we can trim completion display */
1691: for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
1692: /* Terminate counting on first unescaped glob metacharacter */
1693: if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
1694: if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
1695: hadglob = 1;
1696: break;
1697: }
1698: if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
1699: tmplen++;
1700: if (tmp[tmplen] == '/')
1701: pwdlen = tmplen + 1; /* track last seen '/' */
1702: }
1703: xfree(tmp);
1704:
1705: if (g.gl_matchc == 0)
1706: goto out;
1707:
1708: if (g.gl_matchc > 1)
1709: complete_display(g.gl_pathv, pwdlen);
1710:
1711: tmp = NULL;
1712: /* Don't try to extend globs */
1713: if (file == NULL || hadglob)
1714: goto out;
1715:
1716: tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
1717: tmp = path_strip(tmp2, remote_path);
1718: xfree(tmp2);
1719:
1720: if (tmp == NULL)
1721: goto out;
1722:
1723: tmplen = strlen(tmp);
1724: filelen = strlen(file);
1725:
1726: if (tmplen > filelen) {
1727: tmp2 = tmp + filelen;
1728: len = strlen(tmp2);
1729: /* quote argument on way out */
1730: for (i = 0; i < len; i++) {
1731: ins[0] = '\\';
1732: ins[1] = tmp2[i];
1733: ins[2] = '\0';
1734: switch (tmp2[i]) {
1735: case '\'':
1736: case '"':
1737: case '\\':
1738: case '\t':
1.131 sthen 1739: case '[':
1.116 djm 1740: case ' ':
1741: if (quote == '\0' || tmp2[i] == quote) {
1742: if (el_insertstr(el, ins) == -1)
1743: fatal("el_insertstr "
1744: "failed.");
1745: break;
1746: }
1747: /* FALLTHROUGH */
1748: default:
1749: if (el_insertstr(el, ins + 1) == -1)
1750: fatal("el_insertstr failed.");
1751: break;
1752: }
1753: }
1754: }
1755:
1756: lf = el_line(el);
1757: if (g.gl_matchc == 1) {
1758: i = 0;
1759: if (!terminated)
1760: ins[i++] = quote;
1.120 djm 1761: if (*(lf->cursor - 1) != '/' &&
1762: (lastarg || *(lf->cursor) != ' '))
1.116 djm 1763: ins[i++] = ' ';
1764: ins[i] = '\0';
1765: if (i > 0 && el_insertstr(el, ins) == -1)
1766: fatal("el_insertstr failed.");
1767: }
1768: xfree(tmp);
1769:
1770: out:
1771: globfree(&g);
1772: return g.gl_matchc;
1773: }
1774:
1775: /* tab-completion hook function, called via libedit */
1776: static unsigned char
1777: complete(EditLine *el, int ch)
1778: {
1779: char **argv, *line, quote;
1780: u_int argc, carg, cursor, len, terminated, ret = CC_ERROR;
1781: const LineInfo *lf;
1782: struct complete_ctx *complete_ctx;
1783:
1784: lf = el_line(el);
1785: if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
1786: fatal("%s: el_get failed", __func__);
1787:
1788: /* Figure out which argument the cursor points to */
1789: cursor = lf->cursor - lf->buffer;
1790: line = (char *)xmalloc(cursor + 1);
1791: memcpy(line, lf->buffer, cursor);
1792: line[cursor] = '\0';
1793: argv = makeargv(line, &carg, 1, "e, &terminated);
1794: xfree(line);
1795:
1796: /* Get all the arguments on the line */
1797: len = lf->lastchar - lf->buffer;
1798: line = (char *)xmalloc(len + 1);
1799: memcpy(line, lf->buffer, len);
1800: line[len] = '\0';
1801: argv = makeargv(line, &argc, 1, NULL, NULL);
1802:
1803: /* Ensure cursor is at EOL or a argument boundary */
1804: if (line[cursor] != ' ' && line[cursor] != '\0' &&
1805: line[cursor] != '\n') {
1806: xfree(line);
1807: return ret;
1808: }
1809:
1810: if (carg == 0) {
1811: /* Show all available commands */
1812: complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
1813: ret = CC_REDISPLAY;
1814: } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
1815: /* Handle the command parsing */
1816: if (complete_cmd_parse(el, argv[0], argc == carg,
1817: quote, terminated) != 0)
1818: ret = CC_REDISPLAY;
1819: } else if (carg >= 1) {
1820: /* Handle file parsing */
1821: int remote = complete_is_remote(argv[0]);
1822: char *filematch = NULL;
1823:
1824: if (carg > 1 && line[cursor-1] != ' ')
1825: filematch = argv[carg - 1];
1826:
1827: if (remote != 0 &&
1828: complete_match(el, complete_ctx->conn,
1829: *complete_ctx->remote_pathp, filematch,
1830: remote, carg == argc, quote, terminated) != 0)
1831: ret = CC_REDISPLAY;
1832: }
1833:
1834: xfree(line);
1835: return ret;
1836: }
1837:
1.44 djm 1838: int
1.112 djm 1839: interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
1.44 djm 1840: {
1.116 djm 1841: char *remote_path;
1.44 djm 1842: char *dir = NULL;
1843: char cmd[2048];
1.66 jaredy 1844: int err, interactive;
1.57 djm 1845: EditLine *el = NULL;
1846: History *hl = NULL;
1847: HistEvent hev;
1848: extern char *__progname;
1.116 djm 1849: struct complete_ctx complete_ctx;
1.57 djm 1850:
1851: if (!batchmode && isatty(STDIN_FILENO)) {
1852: if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
1853: fatal("Couldn't initialise editline");
1854: if ((hl = history_init()) == NULL)
1855: fatal("Couldn't initialise editline history");
1856: history(hl, &hev, H_SETSIZE, 100);
1857: el_set(el, EL_HIST, history, hl);
1858:
1859: el_set(el, EL_PROMPT, prompt);
1860: el_set(el, EL_EDITOR, "emacs");
1861: el_set(el, EL_TERMINAL, NULL);
1862: el_set(el, EL_SIGNAL, 1);
1863: el_source(el, NULL);
1.116 djm 1864:
1865: /* Tab Completion */
1866: el_set(el, EL_ADDFN, "ftp-complete",
1.131 sthen 1867: "Context sensitive argument completion", complete);
1.116 djm 1868: complete_ctx.conn = conn;
1869: complete_ctx.remote_pathp = &remote_path;
1870: el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
1871: el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
1.57 djm 1872: }
1.44 djm 1873:
1.116 djm 1874: remote_path = do_realpath(conn, ".");
1875: if (remote_path == NULL)
1.44 djm 1876: fatal("Need cwd");
1877:
1878: if (file1 != NULL) {
1879: dir = xstrdup(file1);
1.116 djm 1880: dir = make_absolute(dir, remote_path);
1.44 djm 1881:
1882: if (remote_is_dir(conn, dir) && file2 == NULL) {
1883: printf("Changing to: %s\n", dir);
1884: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
1.116 djm 1885: if (parse_dispatch_command(conn, cmd,
1886: &remote_path, 1) != 0) {
1.58 markus 1887: xfree(dir);
1.116 djm 1888: xfree(remote_path);
1.76 djm 1889: xfree(conn);
1.44 djm 1890: return (-1);
1.58 markus 1891: }
1.44 djm 1892: } else {
1.137 ! djm 1893: /* XXX this is wrong wrt quoting */
1.44 djm 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: }