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some unused variable and typos; from tomh@po.crl.go.jp

/*
 * Copyright (c) 2001 Damien Miller.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "includes.h"
RCSID("$OpenBSD: sftp-glob.c,v 1.5 2001/04/15 08:43:46 markus Exp $");

#include <glob.h>

#include "ssh.h"
#include "buffer.h"
#include "bufaux.h"
#include "getput.h"
#include "xmalloc.h"
#include "log.h"
#include "atomicio.h"
#include "pathnames.h"

#include "sftp.h"
#include "sftp-common.h"
#include "sftp-client.h"
#include "sftp-glob.h"

struct SFTP_OPENDIR {
	SFTP_DIRENT **dir;
	int offset;
};

static struct {
	int fd_in;
	int fd_out;
} cur;

void *fudge_opendir(const char *path)
{
	struct SFTP_OPENDIR *r;
	
	r = xmalloc(sizeof(*r));
	
	if (do_readdir(cur.fd_in, cur.fd_out, (char*)path, &r->dir))
		return(NULL);

	r->offset = 0;

	return((void*)r);
}

struct dirent *fudge_readdir(struct SFTP_OPENDIR *od)
{
	static struct dirent ret;
	
	if (od->dir[od->offset] == NULL)
		return(NULL);

	memset(&ret, 0, sizeof(ret));
	strlcpy(ret.d_name, od->dir[od->offset++]->filename,
	    sizeof(ret.d_name));

	return(&ret);
}

void fudge_closedir(struct SFTP_OPENDIR *od)
{
	free_sftp_dirents(od->dir);
	xfree(od);
}

void attrib_to_stat(Attrib *a, struct stat *st)
{
	memset(st, 0, sizeof(*st));
	
	if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
		st->st_size = a->size;
	if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
		st->st_uid = a->uid;
		st->st_gid = a->gid;
	}
	if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
		st->st_mode = a->perm;
	if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
		st->st_atime = a->atime;
		st->st_mtime = a->mtime;
	}
}

int fudge_lstat(const char *path, struct stat *st)
{
	Attrib *a;
	
	if (!(a = do_lstat(cur.fd_in, cur.fd_out, (char*)path, 0)))
		return(-1);
	
	attrib_to_stat(a, st);
	
	return(0);
}

int fudge_stat(const char *path, struct stat *st)
{
	Attrib *a;
	
	if (!(a = do_stat(cur.fd_in, cur.fd_out, (char*)path, 0)))
		return(-1);
	
	attrib_to_stat(a, st);
	
	return(0);
}

int
remote_glob(int fd_in, int fd_out, const char *pattern, int flags,
    int (*errfunc)(const char *, int), glob_t *pglob)
{
	pglob->gl_opendir = (void*)fudge_opendir;
	pglob->gl_readdir = (void*)fudge_readdir;
	pglob->gl_closedir = (void*)fudge_closedir;
	pglob->gl_lstat = fudge_lstat;
	pglob->gl_stat = fudge_stat;
	
	memset(&cur, 0, sizeof(cur));
	cur.fd_in = fd_in;
	cur.fd_out = fd_out;

	return(glob(pattern, flags | GLOB_ALTDIRFUNC, (void*)errfunc,
	    pglob));
}