Flatten the OpenSSH vendor tree for 3.x and newer.

1 files changed, 0 insertions, 1624 deletions

diff --git a/crypto/openssh/sftp.c b/crypto/openssh/sftp.c
deleted file mode 100644
index a39c782..0000000
--- a/crypto/openssh/sftp.c
+++ /dev/null
@@ -1,1624 +0,0 @@
-/* $OpenBSD: sftp.c,v 1.93 2006/09/30 17:48:22 ray Exp $ */
-/*
- * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "includes.h"
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/wait.h>
-
-#include <errno.h>
-
-#ifdef HAVE_PATHS_H
-# include <paths.h>
-#endif
-#ifdef USE_LIBEDIT
-#include <histedit.h>
-#else
-typedef void EditLine;
-#endif
-#include <signal.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdarg.h>
-
-#include "xmalloc.h"
-#include "log.h"
-#include "pathnames.h"
-#include "misc.h"
-
-#include "sftp.h"
-#include "buffer.h"
-#include "sftp-common.h"
-#include "sftp-client.h"
-
-/* File to read commands from */
-FILE* infile;
-
-/* Are we in batchfile mode? */
-int batchmode = 0;
-
-/* Size of buffer used when copying files */
-size_t copy_buffer_len = 32768;
-
-/* Number of concurrent outstanding requests */
-size_t num_requests = 16;
-
-/* PID of ssh transport process */
-static pid_t sshpid = -1;
-
-/* This is set to 0 if the progressmeter is not desired. */
-int showprogress = 1;
-
-/* SIGINT received during command processing */
-volatile sig_atomic_t interrupted = 0;
-
-/* I wish qsort() took a separate ctx for the comparison function...*/
-int sort_flag;
-
-int remote_glob(struct sftp_conn *, const char *, int,
-    int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
-
-extern char *__progname;
-
-/* Separators for interactive commands */
-#define WHITESPACE " \t\r\n"
-
-/* ls flags */
-#define LS_LONG_VIEW	0x01	/* Full view ala ls -l */
-#define LS_SHORT_VIEW	0x02	/* Single row view ala ls -1 */
-#define LS_NUMERIC_VIEW	0x04	/* Long view with numeric uid/gid */
-#define LS_NAME_SORT	0x08	/* Sort by name (default) */
-#define LS_TIME_SORT	0x10	/* Sort by mtime */
-#define LS_SIZE_SORT	0x20	/* Sort by file size */
-#define LS_REVERSE_SORT	0x40	/* Reverse sort order */
-#define LS_SHOW_ALL	0x80	/* Don't skip filenames starting with '.' */
-
-#define VIEW_FLAGS	(LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
-#define SORT_FLAGS	(LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
-
-/* Commands for interactive mode */
-#define I_CHDIR		1
-#define I_CHGRP		2
-#define I_CHMOD		3
-#define I_CHOWN		4
-#define I_GET		5
-#define I_HELP		6
-#define I_LCHDIR	7
-#define I_LLS		8
-#define I_LMKDIR	9
-#define I_LPWD		10
-#define I_LS		11
-#define I_LUMASK	12
-#define I_MKDIR		13
-#define I_PUT		14
-#define I_PWD		15
-#define I_QUIT		16
-#define I_RENAME	17
-#define I_RM		18
-#define I_RMDIR		19
-#define I_SHELL		20
-#define I_SYMLINK	21
-#define I_VERSION	22
-#define I_PROGRESS	23
-
-struct CMD {
-	const char *c;
-	const int n;
-};
-
-static const struct CMD cmds[] = {
-	{ "bye",	I_QUIT },
-	{ "cd",		I_CHDIR },
-	{ "chdir",	I_CHDIR },
-	{ "chgrp",	I_CHGRP },
-	{ "chmod",	I_CHMOD },
-	{ "chown",	I_CHOWN },
-	{ "dir",	I_LS },
-	{ "exit",	I_QUIT },
-	{ "get",	I_GET },
-	{ "mget",	I_GET },
-	{ "help",	I_HELP },
-	{ "lcd",	I_LCHDIR },
-	{ "lchdir",	I_LCHDIR },
-	{ "lls",	I_LLS },
-	{ "lmkdir",	I_LMKDIR },
-	{ "ln",		I_SYMLINK },
-	{ "lpwd",	I_LPWD },
-	{ "ls",		I_LS },
-	{ "lumask",	I_LUMASK },
-	{ "mkdir",	I_MKDIR },
-	{ "progress",	I_PROGRESS },
-	{ "put",	I_PUT },
-	{ "mput",	I_PUT },
-	{ "pwd",	I_PWD },
-	{ "quit",	I_QUIT },
-	{ "rename",	I_RENAME },
-	{ "rm",		I_RM },
-	{ "rmdir",	I_RMDIR },
-	{ "symlink",	I_SYMLINK },
-	{ "version",	I_VERSION },
-	{ "!",		I_SHELL },
-	{ "?",		I_HELP },
-	{ NULL,			-1}
-};
-
-int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
-
-static void
-killchild(int signo)
-{
-	if (sshpid > 1) {
-		kill(sshpid, SIGTERM);
-		waitpid(sshpid, NULL, 0);
-	}
-
-	_exit(1);
-}
-
-static void
-cmd_interrupt(int signo)
-{
-	const char msg[] = "\rInterrupt  \n";
-	int olderrno = errno;
-
-	write(STDERR_FILENO, msg, sizeof(msg) - 1);
-	interrupted = 1;
-	errno = olderrno;
-}
-
-static void
-help(void)
-{
-	printf("Available commands:\n");
-	printf("cd path                       Change remote directory to 'path'\n");
-	printf("lcd path                      Change local directory to 'path'\n");
-	printf("chgrp grp path                Change group of file 'path' to 'grp'\n");
-	printf("chmod mode path               Change permissions of file 'path' to 'mode'\n");
-	printf("chown own path                Change owner of file 'path' to 'own'\n");
-	printf("help                          Display this help text\n");
-	printf("get remote-path [local-path]  Download file\n");
-	printf("lls [ls-options [path]]       Display local directory listing\n");
-	printf("ln oldpath newpath            Symlink remote file\n");
-	printf("lmkdir path                   Create local directory\n");
-	printf("lpwd                          Print local working directory\n");
-	printf("ls [path]                     Display remote directory listing\n");
-	printf("lumask umask                  Set local umask to 'umask'\n");
-	printf("mkdir path                    Create remote directory\n");
-	printf("progress                      Toggle display of progress meter\n");
-	printf("put local-path [remote-path]  Upload file\n");
-	printf("pwd                           Display remote working directory\n");
-	printf("exit                          Quit sftp\n");
-	printf("quit                          Quit sftp\n");
-	printf("rename oldpath newpath        Rename remote file\n");
-	printf("rmdir path                    Remove remote directory\n");
-	printf("rm path                       Delete remote file\n");
-	printf("symlink oldpath newpath       Symlink remote file\n");
-	printf("version                       Show SFTP version\n");
-	printf("!command                      Execute 'command' in local shell\n");
-	printf("!                             Escape to local shell\n");
-	printf("?                             Synonym for help\n");
-}
-
-static void
-local_do_shell(const char *args)
-{
-	int status;
-	char *shell;
-	pid_t pid;
-
-	if (!*args)
-		args = NULL;
-
-	if ((shell = getenv("SHELL")) == NULL)
-		shell = _PATH_BSHELL;
-
-	if ((pid = fork()) == -1)
-		fatal("Couldn't fork: %s", strerror(errno));
-
-	if (pid == 0) {
-		/* XXX: child has pipe fds to ssh subproc open - issue? */
-		if (args) {
-			debug3("Executing %s -c \"%s\"", shell, args);
-			execl(shell, shell, "-c", args, (char *)NULL);
-		} else {
-			debug3("Executing %s", shell);
-			execl(shell, shell, (char *)NULL);
-		}
-		fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
-		    strerror(errno));
-		_exit(1);
-	}
-	while (waitpid(pid, &status, 0) == -1)
-		if (errno != EINTR)
-			fatal("Couldn't wait for child: %s", strerror(errno));
-	if (!WIFEXITED(status))
-		error("Shell exited abnormally");
-	else if (WEXITSTATUS(status))
-		error("Shell exited with status %d", WEXITSTATUS(status));
-}
-
-static void
-local_do_ls(const char *args)
-{
-	if (!args || !*args)
-		local_do_shell(_PATH_LS);
-	else {
-		int len = strlen(_PATH_LS " ") + strlen(args) + 1;
-		char *buf = xmalloc(len);
-
-		/* XXX: quoting - rip quoting code from ftp? */
-		snprintf(buf, len, _PATH_LS " %s", args);
-		local_do_shell(buf);
-		xfree(buf);
-	}
-}
-
-/* Strip one path (usually the pwd) from the start of another */
-static char *
-path_strip(char *path, char *strip)
-{
-	size_t len;
-
-	if (strip == NULL)
-		return (xstrdup(path));
-
-	len = strlen(strip);
-	if (strncmp(path, strip, len) == 0) {
-		if (strip[len - 1] != '/' && path[len] == '/')
-			len++;
-		return (xstrdup(path + len));
-	}
-
-	return (xstrdup(path));
-}
-
-static char *
-path_append(char *p1, char *p2)
-{
-	char *ret;
-	int len = strlen(p1) + strlen(p2) + 2;
-
-	ret = xmalloc(len);
-	strlcpy(ret, p1, len);
-	if (p1[strlen(p1) - 1] != '/')
-		strlcat(ret, "/", len);
-	strlcat(ret, p2, len);
-
-	return(ret);
-}
-
-static char *
-make_absolute(char *p, char *pwd)
-{
-	char *abs_str;
-
-	/* Derelativise */
-	if (p && p[0] != '/') {
-		abs_str = path_append(pwd, p);
-		xfree(p);
-		return(abs_str);
-	} else
-		return(p);
-}
-
-static int
-infer_path(const char *p, char **ifp)
-{
-	char *cp;
-
-	cp = strrchr(p, '/');
-	if (cp == NULL) {
-		*ifp = xstrdup(p);
-		return(0);
-	}
-
-	if (!cp[1]) {
-		error("Invalid path");
-		return(-1);
-	}
-
-	*ifp = xstrdup(cp + 1);
-	return(0);
-}
-
-static int
-parse_getput_flags(const char **cpp, int *pflag)
-{
-	const char *cp = *cpp;
-
-	/* Check for flags */
-	if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
-		switch (cp[1]) {
-		case 'p':
-		case 'P':
-			*pflag = 1;
-			break;
-		default:
-			error("Invalid flag -%c", cp[1]);
-			return(-1);
-		}
-		cp += 2;
-		*cpp = cp + strspn(cp, WHITESPACE);
-	}
-
-	return(0);
-}
-
-static int
-parse_ls_flags(const char **cpp, int *lflag)
-{
-	const char *cp = *cpp;
-
-	/* Defaults */
-	*lflag = LS_NAME_SORT;
-
-	/* Check for flags */
-	if (cp++[0] == '-') {
-		for (; strchr(WHITESPACE, *cp) == NULL; cp++) {
-			switch (*cp) {
-			case 'l':
-				*lflag &= ~VIEW_FLAGS;
-				*lflag |= LS_LONG_VIEW;
-				break;
-			case '1':
-				*lflag &= ~VIEW_FLAGS;
-				*lflag |= LS_SHORT_VIEW;
-				break;
-			case 'n':
-				*lflag &= ~VIEW_FLAGS;
-				*lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
-				break;
-			case 'S':
-				*lflag &= ~SORT_FLAGS;
-				*lflag |= LS_SIZE_SORT;
-				break;
-			case 't':
-				*lflag &= ~SORT_FLAGS;
-				*lflag |= LS_TIME_SORT;
-				break;
-			case 'r':
-				*lflag |= LS_REVERSE_SORT;
-				break;
-			case 'f':
-				*lflag &= ~SORT_FLAGS;
-				break;
-			case 'a':
-				*lflag |= LS_SHOW_ALL;
-				break;
-			default:
-				error("Invalid flag -%c", *cp);
-				return(-1);
-			}
-		}
-		*cpp = cp + strspn(cp, WHITESPACE);
-	}
-
-	return(0);
-}
-
-static int
-get_pathname(const char **cpp, char **path)
-{
-	const char *cp = *cpp, *end;
-	char quot;
-	u_int i, j;
-
-	cp += strspn(cp, WHITESPACE);
-	if (!*cp) {
-		*cpp = cp;
-		*path = NULL;
-		return (0);
-	}
-
-	*path = xmalloc(strlen(cp) + 1);
-
-	/* Check for quoted filenames */
-	if (*cp == '\"' || *cp == '\'') {
-		quot = *cp++;
-
-		/* Search for terminating quote, unescape some chars */
-		for (i = j = 0; i <= strlen(cp); i++) {
-			if (cp[i] == quot) {	/* Found quote */
-				i++;
-				(*path)[j] = '\0';
-				break;
-			}
-			if (cp[i] == '\0') {	/* End of string */
-				error("Unterminated quote");
-				goto fail;
-			}
-			if (cp[i] == '\\') {	/* Escaped characters */
-				i++;
-				if (cp[i] != '\'' && cp[i] != '\"' &&
-				    cp[i] != '\\') {
-					error("Bad escaped character '\\%c'",
-					    cp[i]);
-					goto fail;
-				}
-			}
-			(*path)[j++] = cp[i];
-		}
-
-		if (j == 0) {
-			error("Empty quotes");
-			goto fail;
-		}
-		*cpp = cp + i + strspn(cp + i, WHITESPACE);
-	} else {
-		/* Read to end of filename */
-		end = strpbrk(cp, WHITESPACE);
-		if (end == NULL)
-			end = strchr(cp, '\0');
-		*cpp = end + strspn(end, WHITESPACE);
-
-		memcpy(*path, cp, end - cp);
-		(*path)[end - cp] = '\0';
-	}
-	return (0);
-
- fail:
-	xfree(*path);
-	*path = NULL;
-	return (-1);
-}
-
-static int
-is_dir(char *path)
-{
-	struct stat sb;
-
-	/* XXX: report errors? */
-	if (stat(path, &sb) == -1)
-		return(0);
-
-	return(S_ISDIR(sb.st_mode));
-}
-
-static int
-is_reg(char *path)
-{
-	struct stat sb;
-
-	if (stat(path, &sb) == -1)
-		fatal("stat %s: %s", path, strerror(errno));
-
-	return(S_ISREG(sb.st_mode));
-}
-
-static int
-remote_is_dir(struct sftp_conn *conn, char *path)
-{
-	Attrib *a;
-
-	/* XXX: report errors? */
-	if ((a = do_stat(conn, path, 1)) == NULL)
-		return(0);
-	if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
-		return(0);
-	return(S_ISDIR(a->perm));
-}
-
-static int
-process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
-{
-	char *abs_src = NULL;
-	char *abs_dst = NULL;
-	char *tmp;
-	glob_t g;
-	int err = 0;
-	int i;
-
-	abs_src = xstrdup(src);
-	abs_src = make_absolute(abs_src, pwd);
-
-	memset(&g, 0, sizeof(g));
-	debug3("Looking up %s", abs_src);
-	if (remote_glob(conn, abs_src, 0, NULL, &g)) {
-		error("File \"%s\" not found.", abs_src);
-		err = -1;
-		goto out;
-	}
-
-	/* If multiple matches, dst must be a directory or unspecified */
-	if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
-		error("Multiple files match, but \"%s\" is not a directory",
-		    dst);
-		err = -1;
-		goto out;
-	}
-
-	for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
-		if (infer_path(g.gl_pathv[i], &tmp)) {
-			err = -1;
-			goto out;
-		}
-
-		if (g.gl_matchc == 1 && dst) {
-			/* If directory specified, append filename */
-			xfree(tmp);
-			if (is_dir(dst)) {
-				if (infer_path(g.gl_pathv[0], &tmp)) {
-					err = 1;
-					goto out;
-				}
-				abs_dst = path_append(dst, tmp);
-				xfree(tmp);
-			} else
-				abs_dst = xstrdup(dst);
-		} else if (dst) {
-			abs_dst = path_append(dst, tmp);
-			xfree(tmp);
-		} else
-			abs_dst = tmp;
-
-		printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
-		if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
-			err = -1;
-		xfree(abs_dst);
-		abs_dst = NULL;
-	}
-
-out:
-	xfree(abs_src);
-	globfree(&g);
-	return(err);
-}
-
-static int
-process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
-{
-	char *tmp_dst = NULL;
-	char *abs_dst = NULL;
-	char *tmp;
-	glob_t g;
-	int err = 0;
-	int i;
-
-	if (dst) {
-		tmp_dst = xstrdup(dst);
-		tmp_dst = make_absolute(tmp_dst, pwd);
-	}
-
-	memset(&g, 0, sizeof(g));
-	debug3("Looking up %s", src);
-	if (glob(src, 0, NULL, &g)) {
-		error("File \"%s\" not found.", src);
-		err = -1;
-		goto out;
-	}
-
-	/* If multiple matches, dst may be directory or unspecified */
-	if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
-		error("Multiple files match, but \"%s\" is not a directory",
-		    tmp_dst);
-		err = -1;
-		goto out;
-	}
-
-	for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
-		if (!is_reg(g.gl_pathv[i])) {
-			error("skipping non-regular file %s",
-			    g.gl_pathv[i]);
-			continue;
-		}
-		if (infer_path(g.gl_pathv[i], &tmp)) {
-			err = -1;
-			goto out;
-		}
-
-		if (g.gl_matchc == 1 && tmp_dst) {
-			/* If directory specified, append filename */
-			if (remote_is_dir(conn, tmp_dst)) {
-				if (infer_path(g.gl_pathv[0], &tmp)) {
-					err = 1;
-					goto out;
-				}
-				abs_dst = path_append(tmp_dst, tmp);
-				xfree(tmp);
-			} else
-				abs_dst = xstrdup(tmp_dst);
-
-		} else if (tmp_dst) {
-			abs_dst = path_append(tmp_dst, tmp);
-			xfree(tmp);
-		} else
-			abs_dst = make_absolute(tmp, pwd);
-
-		printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
-		if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
-			err = -1;
-	}
-
-out:
-	if (abs_dst)
-		xfree(abs_dst);
-	if (tmp_dst)
-		xfree(tmp_dst);
-	globfree(&g);
-	return(err);
-}
-
-static int
-sdirent_comp(const void *aa, const void *bb)
-{
-	SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
-	SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
-	int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
-
-#define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
-	if (sort_flag & LS_NAME_SORT)
-		return (rmul * strcmp(a->filename, b->filename));
-	else if (sort_flag & LS_TIME_SORT)
-		return (rmul * NCMP(a->a.mtime, b->a.mtime));
-	else if (sort_flag & LS_SIZE_SORT)
-		return (rmul * NCMP(a->a.size, b->a.size));
-
-	fatal("Unknown ls sort type");
-}
-
-/* sftp ls.1 replacement for directories */
-static int
-do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
-{
-	int n;
-	u_int c = 1, colspace = 0, columns = 1;
-	SFTP_DIRENT **d;
-
-	if ((n = do_readdir(conn, path, &d)) != 0)
-		return (n);
-
-	if (!(lflag & LS_SHORT_VIEW)) {
-		u_int m = 0, width = 80;
-		struct winsize ws;
-		char *tmp;
-
-		/* Count entries for sort and find longest filename */
-		for (n = 0; d[n] != NULL; n++) {
-			if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
-				m = MAX(m, strlen(d[n]->filename));
-		}
-
-		/* Add any subpath that also needs to be counted */
-		tmp = path_strip(path, strip_path);
-		m += strlen(tmp);
-		xfree(tmp);
-
-		if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
-			width = ws.ws_col;
-
-		columns = width / (m + 2);
-		columns = MAX(columns, 1);
-		colspace = width / columns;
-		colspace = MIN(colspace, width);
-	}
-
-	if (lflag & SORT_FLAGS) {
-		for (n = 0; d[n] != NULL; n++)
-			;	/* count entries */
-		sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
-		qsort(d, n, sizeof(*d), sdirent_comp);
-	}
-
-	for (n = 0; d[n] != NULL && !interrupted; n++) {
-		char *tmp, *fname;
-
-		if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
-			continue;
-
-		tmp = path_append(path, d[n]->filename);
-		fname = path_strip(tmp, strip_path);
-		xfree(tmp);
-
-		if (lflag & LS_LONG_VIEW) {
-			if (lflag & LS_NUMERIC_VIEW) {
-				char *lname;
-				struct stat sb;
-
-				memset(&sb, 0, sizeof(sb));
-				attrib_to_stat(&d[n]->a, &sb);
-				lname = ls_file(fname, &sb, 1);
-				printf("%s\n", lname);
-				xfree(lname);
-			} else
-				printf("%s\n", d[n]->longname);
-		} else {
-			printf("%-*s", colspace, fname);
-			if (c >= columns) {
-				printf("\n");
-				c = 1;
-			} else
-				c++;
-		}
-
-		xfree(fname);
-	}
-
-	if (!(lflag & LS_LONG_VIEW) && (c != 1))
-		printf("\n");
-
-	free_sftp_dirents(d);
-	return (0);
-}
-
-/* sftp ls.1 replacement which handles path globs */
-static int
-do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
-    int lflag)
-{
-	glob_t g;
-	u_int i, c = 1, colspace = 0, columns = 1;
-	Attrib *a = NULL;
-
-	memset(&g, 0, sizeof(g));
-
-	if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
-	    NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
-		if (g.gl_pathc)
-			globfree(&g);
-		error("Can't ls: \"%s\" not found", path);
-		return (-1);
-	}
-
-	if (interrupted)
-		goto out;
-
-	/*
-	 * If the glob returns a single match and it is a directory,
-	 * then just list its contents.
-	 */
-	if (g.gl_matchc == 1) {
-		if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
-			globfree(&g);
-			return (-1);
-		}
-		if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
-		    S_ISDIR(a->perm)) {
-			int err;
-
-			err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
-			globfree(&g);
-			return (err);
-		}
-	}
-
-	if (!(lflag & LS_SHORT_VIEW)) {
-		u_int m = 0, width = 80;
-		struct winsize ws;
-
-		/* Count entries for sort and find longest filename */
-		for (i = 0; g.gl_pathv[i]; i++)
-			m = MAX(m, strlen(g.gl_pathv[i]));
-
-		if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
-			width = ws.ws_col;
-
-		columns = width / (m + 2);
-		columns = MAX(columns, 1);
-		colspace = width / columns;
-	}
-
-	for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
-		char *fname;
-
-		fname = path_strip(g.gl_pathv[i], strip_path);
-
-		if (lflag & LS_LONG_VIEW) {
-			char *lname;
-			struct stat sb;
-
-			/*
-			 * XXX: this is slow - 1 roundtrip per path
-			 * A solution to this is to fork glob() and
-			 * build a sftp specific version which keeps the
-			 * attribs (which currently get thrown away)
-			 * that the server returns as well as the filenames.
-			 */
-			memset(&sb, 0, sizeof(sb));
-			if (a == NULL)
-				a = do_lstat(conn, g.gl_pathv[i], 1);
-			if (a != NULL)
-				attrib_to_stat(a, &sb);
-			lname = ls_file(fname, &sb, 1);
-			printf("%s\n", lname);
-			xfree(lname);
-		} else {
-			printf("%-*s", colspace, fname);
-			if (c >= columns) {
-				printf("\n");
-				c = 1;
-			} else
-				c++;
-		}
-		xfree(fname);
-	}
-
-	if (!(lflag & LS_LONG_VIEW) && (c != 1))
-		printf("\n");
-
- out:
-	if (g.gl_pathc)
-		globfree(&g);
-
-	return (0);
-}
-
-static int
-parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
-    unsigned long *n_arg, char **path1, char **path2)
-{
-	const char *cmd, *cp = *cpp;
-	char *cp2;
-	int base = 0;
-	long l;
-	int i, cmdnum;
-
-	/* Skip leading whitespace */
-	cp = cp + strspn(cp, WHITESPACE);
-
-	/* Ignore blank lines and lines which begin with comment '#' char */
-	if (*cp == '\0' || *cp == '#')
-		return (0);
-
-	/* Check for leading '-' (disable error processing) */
-	*iflag = 0;
-	if (*cp == '-') {
-		*iflag = 1;
-		cp++;
-	}
-
-	/* Figure out which command we have */
-	for (i = 0; cmds[i].c; i++) {
-		int cmdlen = strlen(cmds[i].c);
-
-		/* Check for command followed by whitespace */
-		if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
-		    strchr(WHITESPACE, cp[cmdlen])) {
-			cp += cmdlen;
-			cp = cp + strspn(cp, WHITESPACE);
-			break;
-		}
-	}
-	cmdnum = cmds[i].n;
-	cmd = cmds[i].c;
-
-	/* Special case */
-	if (*cp == '!') {
-		cp++;
-		cmdnum = I_SHELL;
-	} else if (cmdnum == -1) {
-		error("Invalid command.");
-		return (-1);
-	}
-
-	/* Get arguments and parse flags */
-	*lflag = *pflag = *n_arg = 0;
-	*path1 = *path2 = NULL;
-	switch (cmdnum) {
-	case I_GET:
-	case I_PUT:
-		if (parse_getput_flags(&cp, pflag))
-			return(-1);
-		/* Get first pathname (mandatory) */
-		if (get_pathname(&cp, path1))
-			return(-1);
-		if (*path1 == NULL) {
-			error("You must specify at least one path after a "
-			    "%s command.", cmd);
-			return(-1);
-		}
-		/* Try to get second pathname (optional) */
-		if (get_pathname(&cp, path2))
-			return(-1);
-		break;
-	case I_RENAME:
-	case I_SYMLINK:
-		if (get_pathname(&cp, path1))
-			return(-1);
-		if (get_pathname(&cp, path2))
-			return(-1);
-		if (!*path1 || !*path2) {
-			error("You must specify two paths after a %s "
-			    "command.", cmd);
-			return(-1);
-		}
-		break;
-	case I_RM:
-	case I_MKDIR:
-	case I_RMDIR:
-	case I_CHDIR:
-	case I_LCHDIR:
-	case I_LMKDIR:
-		/* Get pathname (mandatory) */
-		if (get_pathname(&cp, path1))
-			return(-1);
-		if (*path1 == NULL) {
-			error("You must specify a path after a %s command.",
-			    cmd);
-			return(-1);
-		}
-		break;
-	case I_LS:
-		if (parse_ls_flags(&cp, lflag))
-			return(-1);
-		/* Path is optional */
-		if (get_pathname(&cp, path1))
-			return(-1);
-		break;
-	case I_LLS:
-	case I_SHELL:
-		/* Uses the rest of the line */
-		break;
-	case I_LUMASK:
-		base = 8;
-	case I_CHMOD:
-		base = 8;
-	case I_CHOWN:
-	case I_CHGRP:
-		/* Get numeric arg (mandatory) */
-		errno = 0;
-		l = strtol(cp, &cp2, base);
-		if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
-		    errno == ERANGE) || l < 0) {
-			error("You must supply a numeric argument "
-			    "to the %s command.", cmd);
-			return(-1);
-		}
-		cp = cp2;
-		*n_arg = l;
-		if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
-			break;
-		if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
-			error("You must supply a numeric argument "
-			    "to the %s command.", cmd);
-			return(-1);
-		}
-		cp += strspn(cp, WHITESPACE);
-
-		/* Get pathname (mandatory) */
-		if (get_pathname(&cp, path1))
-			return(-1);
-		if (*path1 == NULL) {
-			error("You must specify a path after a %s command.",
-			    cmd);
-			return(-1);
-		}
-		break;
-	case I_QUIT:
-	case I_PWD:
-	case I_LPWD:
-	case I_HELP:
-	case I_VERSION:
-	case I_PROGRESS:
-		break;
-	default:
-		fatal("Command not implemented");
-	}
-
-	*cpp = cp;
-	return(cmdnum);
-}
-
-static int
-parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
-    int err_abort)
-{
-	char *path1, *path2, *tmp;
-	int pflag, lflag, iflag, cmdnum, i;
-	unsigned long n_arg;
-	Attrib a, *aa;
-	char path_buf[MAXPATHLEN];
-	int err = 0;
-	glob_t g;
-
-	path1 = path2 = NULL;
-	cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
-	    &path1, &path2);
-
-	if (iflag != 0)
-		err_abort = 0;
-
-	memset(&g, 0, sizeof(g));
-
-	/* Perform command */
-	switch (cmdnum) {
-	case 0:
-		/* Blank line */
-		break;
-	case -1:
-		/* Unrecognized command */
-		err = -1;
-		break;
-	case I_GET:
-		err = process_get(conn, path1, path2, *pwd, pflag);
-		break;
-	case I_PUT:
-		err = process_put(conn, path1, path2, *pwd, pflag);
-		break;
-	case I_RENAME:
-		path1 = make_absolute(path1, *pwd);
-		path2 = make_absolute(path2, *pwd);
-		err = do_rename(conn, path1, path2);
-		break;
-	case I_SYMLINK:
-		path2 = make_absolute(path2, *pwd);
-		err = do_symlink(conn, path1, path2);
-		break;
-	case I_RM:
-		path1 = make_absolute(path1, *pwd);
-		remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
-		for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
-			printf("Removing %s\n", g.gl_pathv[i]);
-			err = do_rm(conn, g.gl_pathv[i]);
-			if (err != 0 && err_abort)
-				break;
-		}
-		break;
-	case I_MKDIR:
-		path1 = make_absolute(path1, *pwd);
-		attrib_clear(&a);
-		a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
-		a.perm = 0777;
-		err = do_mkdir(conn, path1, &a);
-		break;
-	case I_RMDIR:
-		path1 = make_absolute(path1, *pwd);
-		err = do_rmdir(conn, path1);
-		break;
-	case I_CHDIR:
-		path1 = make_absolute(path1, *pwd);
-		if ((tmp = do_realpath(conn, path1)) == NULL) {
-			err = 1;
-			break;
-		}
-		if ((aa = do_stat(conn, tmp, 0)) == NULL) {
-			xfree(tmp);
-			err = 1;
-			break;
-		}
-		if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
-			error("Can't change directory: Can't check target");
-			xfree(tmp);
-			err = 1;
-			break;
-		}
-		if (!S_ISDIR(aa->perm)) {
-			error("Can't change directory: \"%s\" is not "
-			    "a directory", tmp);
-			xfree(tmp);
-			err = 1;
-			break;
-		}
-		xfree(*pwd);
-		*pwd = tmp;
-		break;
-	case I_LS:
-		if (!path1) {
-			do_globbed_ls(conn, *pwd, *pwd, lflag);
-			break;
-		}
-
-		/* Strip pwd off beginning of non-absolute paths */
-		tmp = NULL;
-		if (*path1 != '/')
-			tmp = *pwd;
-
-		path1 = make_absolute(path1, *pwd);
-		err = do_globbed_ls(conn, path1, tmp, lflag);
-		break;
-	case I_LCHDIR:
-		if (chdir(path1) == -1) {
-			error("Couldn't change local directory to "
-			    "\"%s\": %s", path1, strerror(errno));
-			err = 1;
-		}
-		break;
-	case I_LMKDIR:
-		if (mkdir(path1, 0777) == -1) {
-			error("Couldn't create local directory "
-			    "\"%s\": %s", path1, strerror(errno));
-			err = 1;
-		}
-		break;
-	case I_LLS:
-		local_do_ls(cmd);
-		break;
-	case I_SHELL:
-		local_do_shell(cmd);
-		break;
-	case I_LUMASK:
-		umask(n_arg);
-		printf("Local umask: %03lo\n", n_arg);
-		break;
-	case I_CHMOD:
-		path1 = make_absolute(path1, *pwd);
-		attrib_clear(&a);
-		a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
-		a.perm = n_arg;
-		remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
-		for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
-			printf("Changing mode on %s\n", g.gl_pathv[i]);
-			err = do_setstat(conn, g.gl_pathv[i], &a);
-			if (err != 0 && err_abort)
-				break;
-		}
-		break;
-	case I_CHOWN:
-	case I_CHGRP:
-		path1 = make_absolute(path1, *pwd);
-		remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
-		for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
-			if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
-				if (err != 0 && err_abort)
-					break;
-				else
-					continue;
-			}
-			if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
-				error("Can't get current ownership of "
-				    "remote file \"%s\"", g.gl_pathv[i]);
-				if (err != 0 && err_abort)
-					break;
-				else
-					continue;
-			}
-			aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
-			if (cmdnum == I_CHOWN) {
-				printf("Changing owner on %s\n", g.gl_pathv[i]);
-				aa->uid = n_arg;
-			} else {
-				printf("Changing group on %s\n", g.gl_pathv[i]);
-				aa->gid = n_arg;
-			}
-			err = do_setstat(conn, g.gl_pathv[i], aa);
-			if (err != 0 && err_abort)
-				break;
-		}
-		break;
-	case I_PWD:
-		printf("Remote working directory: %s\n", *pwd);
-		break;
-	case I_LPWD:
-		if (!getcwd(path_buf, sizeof(path_buf))) {
-			error("Couldn't get local cwd: %s", strerror(errno));
-			err = -1;
-			break;
-		}
-		printf("Local working directory: %s\n", path_buf);
-		break;
-	case I_QUIT:
-		/* Processed below */
-		break;
-	case I_HELP:
-		help();
-		break;
-	case I_VERSION:
-		printf("SFTP protocol version %u\n", sftp_proto_version(conn));
-		break;
-	case I_PROGRESS:
-		showprogress = !showprogress;
-		if (showprogress)
-			printf("Progress meter enabled\n");
-		else
-			printf("Progress meter disabled\n");
-		break;
-	default:
-		fatal("%d is not implemented", cmdnum);
-	}
-
-	if (g.gl_pathc)
-		globfree(&g);
-	if (path1)
-		xfree(path1);
-	if (path2)
-		xfree(path2);
-
-	/* If an unignored error occurs in batch mode we should abort. */
-	if (err_abort && err != 0)
-		return (-1);
-	else if (cmdnum == I_QUIT)
-		return (1);
-
-	return (0);
-}
-
-#ifdef USE_LIBEDIT
-static char *
-prompt(EditLine *el)
-{
-	return ("sftp> ");
-}
-#endif
-
-int
-interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
-{
-	char *pwd;
-	char *dir = NULL;
-	char cmd[2048];
-	struct sftp_conn *conn;
-	int err, interactive;
-	EditLine *el = NULL;
-#ifdef USE_LIBEDIT
-	History *hl = NULL;
-	HistEvent hev;
-	extern char *__progname;
-
-	if (!batchmode && isatty(STDIN_FILENO)) {
-		if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
-			fatal("Couldn't initialise editline");
-		if ((hl = history_init()) == NULL)
-			fatal("Couldn't initialise editline history");
-		history(hl, &hev, H_SETSIZE, 100);
-		el_set(el, EL_HIST, history, hl);
-
-		el_set(el, EL_PROMPT, prompt);
-		el_set(el, EL_EDITOR, "emacs");
-		el_set(el, EL_TERMINAL, NULL);
-		el_set(el, EL_SIGNAL, 1);
-		el_source(el, NULL);
-	}
-#endif /* USE_LIBEDIT */
-
-	conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
-	if (conn == NULL)
-		fatal("Couldn't initialise connection to server");
-
-	pwd = do_realpath(conn, ".");
-	if (pwd == NULL)
-		fatal("Need cwd");
-
-	if (file1 != NULL) {
-		dir = xstrdup(file1);
-		dir = make_absolute(dir, pwd);
-
-		if (remote_is_dir(conn, dir) && file2 == NULL) {
-			printf("Changing to: %s\n", dir);
-			snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
-			if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
-				xfree(dir);
-				xfree(pwd);
-				xfree(conn);
-				return (-1);
-			}
-		} else {
-			if (file2 == NULL)
-				snprintf(cmd, sizeof cmd, "get %s", dir);
-			else
-				snprintf(cmd, sizeof cmd, "get %s %s", dir,
-				    file2);
-
-			err = parse_dispatch_command(conn, cmd, &pwd, 1);
-			xfree(dir);
-			xfree(pwd);
-			xfree(conn);
-			return (err);
-		}
-		xfree(dir);
-	}
-
-#if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF)
-	setvbuf(stdout, NULL, _IOLBF, 0);
-	setvbuf(infile, NULL, _IOLBF, 0);
-#else
-	setlinebuf(stdout);
-	setlinebuf(infile);
-#endif
-
-	interactive = !batchmode && isatty(STDIN_FILENO);
-	err = 0;
-	for (;;) {
-		char *cp;
-
-		signal(SIGINT, SIG_IGN);
-
-		if (el == NULL) {
-			if (interactive)
-				printf("sftp> ");
-			if (fgets(cmd, sizeof(cmd), infile) == NULL) {
-				if (interactive)
-					printf("\n");
-				break;
-			}
-			if (!interactive) { /* Echo command */
-				printf("sftp> %s", cmd);
-				if (strlen(cmd) > 0 &&
-				    cmd[strlen(cmd) - 1] != '\n')
-					printf("\n");
-			}
-		} else {
-#ifdef USE_LIBEDIT
-			const char *line;
-			int count = 0;
-
-			if ((line = el_gets(el, &count)) == NULL || count <= 0) {
-				printf("\n");
- 				break;
-			}
-			history(hl, &hev, H_ENTER, line);
-			if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
-				fprintf(stderr, "Error: input line too long\n");
-				continue;
-			}
-#endif /* USE_LIBEDIT */
-		}
-
-		cp = strrchr(cmd, '\n');
-		if (cp)
-			*cp = '\0';
-
-		/* Handle user interrupts gracefully during commands */
-		interrupted = 0;
-		signal(SIGINT, cmd_interrupt);
-
-		err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
-		if (err != 0)
-			break;
-	}
-	xfree(pwd);
-	xfree(conn);
-
-#ifdef USE_LIBEDIT
-	if (el != NULL)
-		el_end(el);
-#endif /* USE_LIBEDIT */
-
-	/* err == 1 signifies normal "quit" exit */
-	return (err >= 0 ? 0 : -1);
-}
-
-static void
-connect_to_server(char *path, char **args, int *in, int *out)
-{
-	int c_in, c_out;
-
-#ifdef USE_PIPES
-	int pin[2], pout[2];
-
-	if ((pipe(pin) == -1) || (pipe(pout) == -1))
-		fatal("pipe: %s", strerror(errno));
-	*in = pin[0];
-	*out = pout[1];
-	c_in = pout[0];
-	c_out = pin[1];
-#else /* USE_PIPES */
-	int inout[2];
-
-	if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
-		fatal("socketpair: %s", strerror(errno));
-	*in = *out = inout[0];
-	c_in = c_out = inout[1];
-#endif /* USE_PIPES */
-
-	if ((sshpid = fork()) == -1)
-		fatal("fork: %s", strerror(errno));
-	else if (sshpid == 0) {
-		if ((dup2(c_in, STDIN_FILENO) == -1) ||
-		    (dup2(c_out, STDOUT_FILENO) == -1)) {
-			fprintf(stderr, "dup2: %s\n", strerror(errno));
-			_exit(1);
-		}
-		close(*in);
-		close(*out);
-		close(c_in);
-		close(c_out);
-
-		/*
-		 * The underlying ssh is in the same process group, so we must
-		 * ignore SIGINT if we want to gracefully abort commands,
-		 * otherwise the signal will make it to the ssh process and
-		 * kill it too
-		 */
-		signal(SIGINT, SIG_IGN);
-		execvp(path, args);
-		fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
-		_exit(1);
-	}
-
-	signal(SIGTERM, killchild);
-	signal(SIGINT, killchild);
-	signal(SIGHUP, killchild);
-	close(c_in);
-	close(c_out);
-}
-
-static void
-usage(void)
-{
-	extern char *__progname;
-
-	fprintf(stderr,
-	    "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
-	    "            [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
-	    "            [-S program] [-s subsystem | sftp_server] host\n"
-	    "       %s [[user@]host[:file [file]]]\n"
-	    "       %s [[user@]host[:dir[/]]]\n"
-	    "       %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
-	exit(1);
-}
-
-int
-main(int argc, char **argv)
-{
-	int in, out, ch, err;
-	char *host, *userhost, *cp, *file2 = NULL;
-	int debug_level = 0, sshver = 2;
-	char *file1 = NULL, *sftp_server = NULL;
-	char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
-	LogLevel ll = SYSLOG_LEVEL_INFO;
-	arglist args;
-	extern int optind;
-	extern char *optarg;
-
-	/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
-	sanitise_stdfd();
-
-	__progname = ssh_get_progname(argv[0]);
-	memset(&args, '\0', sizeof(args));
-	args.list = NULL;
-	addargs(&args, "%s", ssh_program);
-	addargs(&args, "-oForwardX11 no");
-	addargs(&args, "-oForwardAgent no");
-	addargs(&args, "-oPermitLocalCommand no");
-	addargs(&args, "-oClearAllForwardings yes");
-
-	ll = SYSLOG_LEVEL_INFO;
-	infile = stdin;
-
-	while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
-		switch (ch) {
-		case 'C':
-			addargs(&args, "-C");
-			break;
-		case 'v':
-			if (debug_level < 3) {
-				addargs(&args, "-v");
-				ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
-			}
-			debug_level++;
-			break;
-		case 'F':
-		case 'o':
-			addargs(&args, "-%c%s", ch, optarg);
-			break;
-		case '1':
-			sshver = 1;
-			if (sftp_server == NULL)
-				sftp_server = _PATH_SFTP_SERVER;
-			break;
-		case 's':
-			sftp_server = optarg;
-			break;
-		case 'S':
-			ssh_program = optarg;
-			replacearg(&args, 0, "%s", ssh_program);
-			break;
-		case 'b':
-			if (batchmode)
-				fatal("Batch file already specified.");
-
-			/* Allow "-" as stdin */
-			if (strcmp(optarg, "-") != 0 &&
-			    (infile = fopen(optarg, "r")) == NULL)
-				fatal("%s (%s).", strerror(errno), optarg);
-			showprogress = 0;
-			batchmode = 1;
-			addargs(&args, "-obatchmode yes");
-			break;
-		case 'P':
-			sftp_direct = optarg;
-			break;
-		case 'B':
-			copy_buffer_len = strtol(optarg, &cp, 10);
-			if (copy_buffer_len == 0 || *cp != '\0')
-				fatal("Invalid buffer size \"%s\"", optarg);
-			break;
-		case 'R':
-			num_requests = strtol(optarg, &cp, 10);
-			if (num_requests == 0 || *cp != '\0')
-				fatal("Invalid number of requests \"%s\"",
-				    optarg);
-			break;
-		case 'h':
-		default:
-			usage();
-		}
-	}
-
-	if (!isatty(STDERR_FILENO))
-		showprogress = 0;
-
-	log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
-
-	if (sftp_direct == NULL) {
-		if (optind == argc || argc > (optind + 2))
-			usage();
-
-		userhost = xstrdup(argv[optind]);
-		file2 = argv[optind+1];
-
-		if ((host = strrchr(userhost, '@')) == NULL)
-			host = userhost;
-		else {
-			*host++ = '\0';
-			if (!userhost[0]) {
-				fprintf(stderr, "Missing username\n");
-				usage();
-			}
-			addargs(&args, "-l%s",userhost);
-		}
-
-		if ((cp = colon(host)) != NULL) {
-			*cp++ = '\0';
-			file1 = cp;
-		}
-
-		host = cleanhostname(host);
-		if (!*host) {
-			fprintf(stderr, "Missing hostname\n");
-			usage();
-		}
-
-		addargs(&args, "-oProtocol %d", sshver);
-
-		/* no subsystem if the server-spec contains a '/' */
-		if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
-			addargs(&args, "-s");
-
-		addargs(&args, "%s", host);
-		addargs(&args, "%s", (sftp_server != NULL ?
-		    sftp_server : "sftp"));
-
-		if (!batchmode)
-			fprintf(stderr, "Connecting to %s...\n", host);
-		connect_to_server(ssh_program, args.list, &in, &out);
-	} else {
-		args.list = NULL;
-		addargs(&args, "sftp-server");
-
-		if (!batchmode)
-			fprintf(stderr, "Attaching to %s...\n", sftp_direct);
-		connect_to_server(sftp_direct, args.list, &in, &out);
-	}
-	freeargs(&args);
-
-	err = interactive_loop(in, out, file1, file2);
-
-#if !defined(USE_PIPES)
-	shutdown(in, SHUT_RDWR);
-	shutdown(out, SHUT_RDWR);
-#endif
-
-	close(in);
-	close(out);
-	if (batchmode)
-		fclose(infile);
-
-	while (waitpid(sshpid, NULL, 0) == -1)
-		if (errno != EINTR)
-			fatal("Couldn't wait for ssh process: %s",
-			    strerror(errno));
-
-	exit(err == 0 ? 0 : 1);
-}