freebsd-dev/lib/libc/yp/xdryp.c

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/*
* Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <rpc/rpc.h>
#include <rpcsvc/yp.h>
#include <stdlib.h>
#include <string.h>
extern int (*ypresp_allfn)();
extern void *ypresp_data;
/*
* I'm leaving the xdr_datum() function in purely for backwards
* compatibility. yplib.c doesn't actually use it, but it's listed
* in yp_prot.h as being available, so it's probably a good idea to
* leave it in case somebody goes looking for it.
*/
typedef struct {
char *dptr;
int dsize;
} datum;
bool_t
xdr_datum(XDR *xdrs, datum *objp)
{
if (!xdr_bytes(xdrs, (char **)&objp->dptr, (u_int *)&objp->dsize, YPMAXRECORD)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_ypresp_all_seq(XDR *xdrs, u_long *objp)
{
struct ypresp_all out;
u_long status;
char *key, *val;
int r;
bzero(&out, sizeof out);
while (1) {
if (!xdr_ypresp_all(xdrs, &out)) {
xdr_free((xdrproc_t)xdr_ypresp_all, &out);
*objp = YP_YPERR;
return (FALSE);
}
if (out.more == 0) {
xdr_free((xdrproc_t)xdr_ypresp_all, &out);
*objp = YP_NOMORE;
return (TRUE);
}
status = out.ypresp_all_u.val.stat;
switch (status) {
case YP_TRUE:
key = (char *)malloc(out.ypresp_all_u.val.key.keydat_len + 1);
if (key == NULL) {
xdr_free((xdrproc_t)xdr_ypresp_all, &out);
*objp = YP_YPERR;
return (FALSE);
}
bcopy(out.ypresp_all_u.val.key.keydat_val, key,
out.ypresp_all_u.val.key.keydat_len);
key[out.ypresp_all_u.val.key.keydat_len] = '\0';
val = (char *)malloc(out.ypresp_all_u.val.val.valdat_len + 1);
if (val == NULL) {
free(key);
xdr_free((xdrproc_t)xdr_ypresp_all, &out);
*objp = YP_YPERR;
return (FALSE);
}
bcopy(out.ypresp_all_u.val.val.valdat_val, val,
out.ypresp_all_u.val.val.valdat_len);
val[out.ypresp_all_u.val.val.valdat_len] = '\0';
xdr_free((xdrproc_t)xdr_ypresp_all, &out);
r = (*ypresp_allfn)(status,
key, out.ypresp_all_u.val.key.keydat_len,
val, out.ypresp_all_u.val.val.valdat_len,
ypresp_data);
*objp = status;
free(key);
free(val);
if (r)
return (TRUE);
break;
case YP_NOMORE:
xdr_free((xdrproc_t)xdr_ypresp_all, &out);
*objp = YP_NOMORE;
return (TRUE);
default:
xdr_free((xdrproc_t)xdr_ypresp_all, &out);
*objp = status;
return (TRUE);
}
}
}