xref: /freebsd/lib/libc/yp/xdryp.c (revision 05c7a37afb48ddd5ee1bd921a5d46fe59cc70b15)
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 #ifndef LINT
31 static char *rcsid = "$Id: xdryp.c,v 1.3 1995/04/02 19:58:29 wpaul Exp $";
32 #endif
33 
34 #include <rpc/rpc.h>
35 #include <rpcsvc/yp.h>
36 
37 extern int (*ypresp_allfn)();
38 extern void *ypresp_data;
39 
40 /*
41  * I'm leaving the xdr_datum() function in purely for backwards
42  * compatibility. yplib.c doesn't actually use it, but it's listed
43  * in yp_prot.h as being available, so it's probably a good idea to
44  * leave it in in case somebody goes looking for it.
45  */
46 typedef struct {
47 	char *dptr;
48 	int  dsize;
49 } datum;
50 
51 bool_t
52 xdr_datum(xdrs, objp)
53 XDR *xdrs;
54 datum *objp;
55 {
56 	if (!xdr_bytes(xdrs, (char **)&objp->dptr, (u_int *)&objp->dsize, YPMAXRECORD)) {
57 		return (FALSE);
58 	}
59 	return (TRUE);
60 }
61 
62 bool_t
63 xdr_ypresp_all_seq(xdrs, objp)
64 XDR *xdrs;
65 u_long *objp;
66 {
67 	struct ypresp_all out;
68 	u_long status;
69 	char *key, *val;
70 	int r;
71 
72 	bzero(&out, sizeof out);
73 	while(1) {
74 		if( !xdr_ypresp_all(xdrs, &out)) {
75 			xdr_free(xdr_ypresp_all, (char *)&out);
76 			*objp = YP_YPERR;
77 			return FALSE;
78 		}
79 		if(out.more == 0) {
80 			xdr_free(xdr_ypresp_all, (char *)&out);
81 			*objp = YP_NOMORE;
82 			return TRUE;
83 		}
84 		status = out.ypresp_all_u.val.stat;
85 		switch(status) {
86 		case YP_TRUE:
87 			key = (char *)malloc(out.ypresp_all_u.val.key.keydat_len + 1);
88 			bcopy(out.ypresp_all_u.val.key.keydat_val, key,
89 				out.ypresp_all_u.val.key.keydat_len);
90 			key[out.ypresp_all_u.val.key.keydat_len] = '\0';
91 			val = (char *)malloc(out.ypresp_all_u.val.val.valdat_len + 1);
92 			bcopy(out.ypresp_all_u.val.val.valdat_val, val,
93 				out.ypresp_all_u.val.val.valdat_len);
94 			val[out.ypresp_all_u.val.val.valdat_len] = '\0';
95 			xdr_free(xdr_ypresp_all, (char *)&out);
96 
97 			r = (*ypresp_allfn)(status,
98 				key, out.ypresp_all_u.val.key.keydat_len,
99 				val, out.ypresp_all_u.val.val.valdat_len,
100 				ypresp_data);
101 			*objp = status;
102 			free(key);
103 			free(val);
104 			if(r)
105 				return TRUE;
106 			break;
107 		case YP_NOMORE:
108 			xdr_free(xdr_ypresp_all, (char *)&out);
109 			*objp = YP_NOMORE;
110 			return TRUE;
111 		default:
112 			xdr_free(xdr_ypresp_all, (char *)&out);
113 			*objp = status;
114 			return TRUE;
115 		}
116 	}
117 }
118