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("$FreeBSD$");
32
33 #include <rpc/rpc.h>
34 #include <rpcsvc/yp.h>
35 #include <stdlib.h>
36 #include <string.h>
37
38 extern int (*ypresp_allfn)();
39 extern 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 case somebody goes looking for it.
46 */
47 typedef struct {
48 char *dptr;
49 int dsize;
50 } datum;
51
52 bool_t
xdr_datum(XDR * xdrs,datum * objp)53 xdr_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
61 bool_t
xdr_ypresp_all_seq(XDR * xdrs,u_long * objp)62 xdr_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((xdrproc_t)xdr_ypresp_all, &out);
73 *objp = YP_YPERR;
74 return (FALSE);
75 }
76 if (out.more == 0) {
77 xdr_free((xdrproc_t)xdr_ypresp_all, &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 if (key == NULL) {
86 xdr_free((xdrproc_t)xdr_ypresp_all, &out);
87 *objp = YP_YPERR;
88 return (FALSE);
89 }
90 bcopy(out.ypresp_all_u.val.key.keydat_val, key,
91 out.ypresp_all_u.val.key.keydat_len);
92 key[out.ypresp_all_u.val.key.keydat_len] = '\0';
93 val = (char *)malloc(out.ypresp_all_u.val.val.valdat_len + 1);
94 if (val == NULL) {
95 free(key);
96 xdr_free((xdrproc_t)xdr_ypresp_all, &out);
97 *objp = YP_YPERR;
98 return (FALSE);
99 }
100 bcopy(out.ypresp_all_u.val.val.valdat_val, val,
101 out.ypresp_all_u.val.val.valdat_len);
102 val[out.ypresp_all_u.val.val.valdat_len] = '\0';
103 xdr_free((xdrproc_t)xdr_ypresp_all, &out);
104
105 r = (*ypresp_allfn)(status,
106 key, out.ypresp_all_u.val.key.keydat_len,
107 val, out.ypresp_all_u.val.val.valdat_len,
108 ypresp_data);
109 *objp = status;
110 free(key);
111 free(val);
112 if (r)
113 return (TRUE);
114 break;
115 case YP_NOMORE:
116 xdr_free((xdrproc_t)xdr_ypresp_all, &out);
117 *objp = YP_NOMORE;
118 return (TRUE);
119 default:
120 xdr_free((xdrproc_t)xdr_ypresp_all, &out);
121 *objp = status;
122 return (TRUE);
123 }
124 }
125 }
126