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freebsd/lib/libc/yp/xdryp.c
Bill Paul 9a8c0cebf4 Make sure xdr_ypresp_all_seq() always returns a sane 'status' value.
(There were cases where it was leaving the status uninitialized.)
1996-02-04 05:05:43 +00:00

118 lines
3.5 KiB
C

/*
* 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.
*/
#ifndef LINT
static char *rcsid = "$Id: xdryp.c,v 1.3 1995/04/02 19:58:29 wpaul Exp $";
#endif
#include <rpc/rpc.h>
#include <rpcsvc/yp.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 in case somebody goes looking for it.
*/
typedef struct {
char *dptr;
int dsize;
} datum;
bool_t
xdr_datum(xdrs, objp)
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(xdrs, objp)
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(xdr_ypresp_all, (char *)&out);
*objp = YP_YPERR;
return FALSE;
}
if(out.more == 0) {
xdr_free(xdr_ypresp_all, (char *)&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);
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);
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(xdr_ypresp_all, (char *)&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(xdr_ypresp_all, (char *)&out);
*objp = YP_NOMORE;
return TRUE;
default:
xdr_free(xdr_ypresp_all, (char *)&out);
*objp = status;
return TRUE;
}
}
}