xref: /freebsd/lib/libc/yp/xdryp.c (revision daf1cffce2e07931f27c6c6998652e90df6ba87e)
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 = "$FreeBSD$";
32 #endif
33 
34 #include <rpc/rpc.h>
35 #include <rpcsvc/yp.h>
36 #include <stdlib.h>
37 #include <string.h>
38 
39 extern int (*ypresp_allfn)();
40 extern void *ypresp_data;
41 
42 /*
43  * I'm leaving the xdr_datum() function in purely for backwards
44  * compatibility. yplib.c doesn't actually use it, but it's listed
45  * in yp_prot.h as being available, so it's probably a good idea to
46  * leave it in in case somebody goes looking for it.
47  */
48 typedef struct {
49 	char *dptr;
50 	int  dsize;
51 } datum;
52 
53 bool_t
54 xdr_datum(xdrs, objp)
55 XDR *xdrs;
56 datum *objp;
57 {
58 	if (!xdr_bytes(xdrs, (char **)&objp->dptr, (u_int *)&objp->dsize, YPMAXRECORD)) {
59 		return (FALSE);
60 	}
61 	return (TRUE);
62 }
63 
64 bool_t
65 xdr_ypresp_all_seq(xdrs, objp)
66 XDR *xdrs;
67 u_long *objp;
68 {
69 	struct ypresp_all out;
70 	u_long status;
71 	char *key, *val;
72 	int r;
73 
74 	bzero(&out, sizeof out);
75 	while(1) {
76 		if( !xdr_ypresp_all(xdrs, &out)) {
77 			xdr_free(xdr_ypresp_all, (char *)&out);
78 			*objp = YP_YPERR;
79 			return FALSE;
80 		}
81 		if(out.more == 0) {
82 			xdr_free(xdr_ypresp_all, (char *)&out);
83 			*objp = YP_NOMORE;
84 			return TRUE;
85 		}
86 		status = out.ypresp_all_u.val.stat;
87 		switch(status) {
88 		case YP_TRUE:
89 			key = (char *)malloc(out.ypresp_all_u.val.key.keydat_len + 1);
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 			bcopy(out.ypresp_all_u.val.val.valdat_val, val,
95 				out.ypresp_all_u.val.val.valdat_len);
96 			val[out.ypresp_all_u.val.val.valdat_len] = '\0';
97 			xdr_free(xdr_ypresp_all, (char *)&out);
98 
99 			r = (*ypresp_allfn)(status,
100 				key, out.ypresp_all_u.val.key.keydat_len,
101 				val, out.ypresp_all_u.val.val.valdat_len,
102 				ypresp_data);
103 			*objp = status;
104 			free(key);
105 			free(val);
106 			if(r)
107 				return TRUE;
108 			break;
109 		case YP_NOMORE:
110 			xdr_free(xdr_ypresp_all, (char *)&out);
111 			*objp = YP_NOMORE;
112 			return TRUE;
113 		default:
114 			xdr_free(xdr_ypresp_all, (char *)&out);
115 			*objp = status;
116 			return TRUE;
117 		}
118 	}
119 }
120