93b1ab3da1
filename argument for now: it's really only useful for .dir/.pag-style ndbm databases, which we don't support anyway.
148 lines
4.1 KiB
C
148 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 1995, 1996
|
|
* Bill Paul <wpaul@ctr.columbia.edu>. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Bill Paul.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``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 Bill Paul OR CONTRIBUTORS 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.
|
|
*
|
|
* $Id: ypxfrd_server.c,v 1.6 1996/07/04 02:23:11 wpaul Exp $
|
|
*/
|
|
|
|
#include "ypxfrd.h"
|
|
#ifndef lint
|
|
static const char rcsid[] = "$Id: ypxfrd_server.c,v 1.6 1996/07/04 02:23:11 wpaul Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/fcntl.h>
|
|
#include <machine/endian.h>
|
|
#include "ypxfrd_extern.h"
|
|
|
|
int forked = 0;
|
|
int children = 0;
|
|
int fp = 0;
|
|
|
|
static bool_t
|
|
xdr_my_xfr(register XDR *xdrs, xfr *objp)
|
|
{
|
|
unsigned char buf[XFRBLOCKSIZE];
|
|
|
|
while(1) {
|
|
if ((objp->xfr_u.xfrblock_buf.xfrblock_buf_len =
|
|
read(fp, &buf, XFRBLOCKSIZE)) != -1) {
|
|
objp->ok = TRUE;
|
|
objp->xfr_u.xfrblock_buf.xfrblock_buf_val = (char *)&buf;
|
|
} else {
|
|
objp->ok = FALSE;
|
|
objp->xfr_u.xfrstat = XFR_READ_ERR;
|
|
yp_error("read error: %s", strerror(errno));
|
|
}
|
|
|
|
/* Serialize */
|
|
if (!xdr_xfr(xdrs, objp))
|
|
return(FALSE);
|
|
if (objp->ok == FALSE)
|
|
return(TRUE);
|
|
if (objp->xfr_u.xfrblock_buf.xfrblock_buf_len < XFRBLOCKSIZE) {
|
|
objp->ok = FALSE;
|
|
objp->xfr_u.xfrstat = XFR_DONE;
|
|
if (!xdr_xfr(xdrs, objp))
|
|
return(FALSE);
|
|
return(TRUE);
|
|
}
|
|
}
|
|
}
|
|
|
|
struct xfr *
|
|
ypxfrd_getmap_1_svc(ypxfr_mapname *argp, struct svc_req *rqstp)
|
|
{
|
|
static struct xfr result;
|
|
char buf[MAXPATHLEN];
|
|
|
|
result.ok = FALSE;
|
|
result.xfr_u.xfrstat = XFR_DENIED;
|
|
|
|
if (yp_validdomain(argp->xfrdomain)) {
|
|
return(&result);
|
|
}
|
|
|
|
if (yp_access(argp->xfrmap, (struct svc_req *)rqstp)) {
|
|
return(&result);
|
|
}
|
|
|
|
snprintf (buf, sizeof(buf), "%s/%s/%s", yp_dir, argp->xfrdomain,
|
|
argp->xfrmap);
|
|
if (access((char *)&buf, R_OK) == -1) {
|
|
result.xfr_u.xfrstat = XFR_ACCESS;
|
|
return(&result);
|
|
}
|
|
|
|
if (argp->xfr_db_type != XFR_DB_BSD_HASH &&
|
|
argp->xfr_db_type != XFR_DB_ANY) {
|
|
result.xfr_u.xfrstat = XFR_DB_TYPE_MISMATCH;
|
|
return(&result);
|
|
}
|
|
|
|
#if BYTE_ORDER == LITTLE_ENDIAN
|
|
if (argp->xfr_byte_order == XFR_ENDIAN_BIG) {
|
|
#else
|
|
if (argp->xfr_byte_order == XFR_ENDIAN_LITTLE) {
|
|
#endif
|
|
result.xfr_u.xfrstat = XFR_DB_ENDIAN_MISMATCH;
|
|
return(&result);
|
|
}
|
|
|
|
#ifndef DEBUG
|
|
if (children < MAX_CHILDREN && fork()) {
|
|
children++;
|
|
forked = 0;
|
|
return (NULL);
|
|
} else {
|
|
forked++;
|
|
}
|
|
#endif
|
|
if ((fp = open((char *)&buf, O_RDONLY)) == -1) {
|
|
result.xfr_u.xfrstat = XFR_READ_ERR;
|
|
return(&result);
|
|
}
|
|
|
|
/* Start sending the file. */
|
|
|
|
svc_sendreply(rqstp->rq_xprt, xdr_my_xfr, (char *)&result);
|
|
|
|
close(fp);
|
|
|
|
return (NULL);
|
|
}
|