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/*
* 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 1.8 2001/07/14 15:10:17 stevesk Exp $");
#include "buffer.h"
#include "bufaux.h"
#include "xmalloc.h"
#include "log.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;
static 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);
}
static struct dirent *
fudge_readdir(struct SFTP_OPENDIR *od)
{
/* Solaris needs sizeof(dirent) + path length (see below) */
static char buf[sizeof(struct dirent) + MAXPATHLEN];
struct dirent *ret = (struct dirent *)buf;
#ifdef __GNU_LIBRARY__
static int inum = 1;
#endif /* __GNU_LIBRARY__ */
if (od->dir[od->offset] == NULL)
return(NULL);
memset(buf, 0, sizeof(buf));
/*
* Solaris defines dirent->d_name as a one byte array and expects
* you to hack around it.
*/
#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME
strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN);
#else
strlcpy(ret->d_name, od->dir[od->offset++]->filename,
sizeof(ret->d_name));
#endif
#ifdef __GNU_LIBRARY__
/*
* Idiot glibc uses extensions to struct dirent for readdir with
* ALTDIRFUNCs. Not that this is documented anywhere but the
* source... Fake an inode number to appease it.
*/
ret->d_ino = inum++;
if (!inum)
inum = 1;
#endif /* __GNU_LIBRARY__ */
return(ret);
}
static void
fudge_closedir(struct SFTP_OPENDIR *od)
{
free_sftp_dirents(od->dir);
xfree(od);
}
static 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;
}
}
static 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);
}
static 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 = fudge_opendir;
pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir;
pglob->gl_closedir = (void (*)(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, errfunc,
pglob));
}
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