xdryp.c revision 92986 
1/*
2 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote
14 *    products derived from this software without specific prior written
15 *    permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: head/lib/libc/yp/xdryp.c 92986 2002-03-22 21:53:29Z obrien $");
32
33#include <rpc/rpc.h>
34#include <rpcsvc/yp.h>
35#include <stdlib.h>
36#include <string.h>
37
38extern int (*ypresp_allfn)();
39extern void *ypresp_data;
40
41/*
42 * I'm leaving the xdr_datum() function in purely for backwards
43 * compatibility. yplib.c doesn't actually use it, but it's listed
44 * in yp_prot.h as being available, so it's probably a good idea to
45 * leave it in in case somebody goes looking for it.
46 */
47typedef struct {
48	char *dptr;
49	int  dsize;
50} datum;
51
52bool_t
53xdr_datum(XDR *xdrs, datum *objp)
54{
55	if (!xdr_bytes(xdrs, (char **)&objp->dptr, (u_int *)&objp->dsize, YPMAXRECORD)) {
56		return (FALSE);
57	}
58	return (TRUE);
59}
60
61bool_t
62xdr_ypresp_all_seq(XDR *xdrs, u_long *objp)
63{
64	struct ypresp_all out;
65	u_long status;
66	char *key, *val;
67	int r;
68
69	bzero(&out, sizeof out);
70	while (1) {
71		if (!xdr_ypresp_all(xdrs, &out)) {
72			xdr_free(xdr_ypresp_all, (char *)&out);
73			*objp = YP_YPERR;
74			return (FALSE);
75		}
76		if (out.more == 0) {
77			xdr_free(xdr_ypresp_all, (char *)&out);
78			*objp = YP_NOMORE;
79			return (TRUE);
80		}
81		status = out.ypresp_all_u.val.stat;
82		switch (status) {
83		case YP_TRUE:
84			key = (char *)malloc(out.ypresp_all_u.val.key.keydat_len + 1);
85			bcopy(out.ypresp_all_u.val.key.keydat_val, key,
86				out.ypresp_all_u.val.key.keydat_len);
87			key[out.ypresp_all_u.val.key.keydat_len] = '\0';
88			val = (char *)malloc(out.ypresp_all_u.val.val.valdat_len + 1);
89			bcopy(out.ypresp_all_u.val.val.valdat_val, val,
90				out.ypresp_all_u.val.val.valdat_len);
91			val[out.ypresp_all_u.val.val.valdat_len] = '\0';
92			xdr_free(xdr_ypresp_all, (char *)&out);
93
94			r = (*ypresp_allfn)(status,
95				key, out.ypresp_all_u.val.key.keydat_len,
96				val, out.ypresp_all_u.val.val.valdat_len,
97				ypresp_data);
98			*objp = status;
99			free(key);
100			free(val);
101			if (r)
102				return (TRUE);
103			break;
104		case YP_NOMORE:
105			xdr_free(xdr_ypresp_all, (char *)&out);
106			*objp = YP_NOMORE;
107			return (TRUE);
108		default:
109			xdr_free(xdr_ypresp_all, (char *)&out);
110			*objp = status;
111			return (TRUE);
112		}
113	}
114}
115