2 * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska H
\9agskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the Kungliga Tekniska
20 * H
\9agskolan and its contributors.
22 * 4. Neither the name of the Institute nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 /* Almost all programs use these routines (implicitly) so it's a good
40 * place to put the version string. */
46 #include "sasl_mac_krb_locl.h"
48 RCSID("$Id: rw.c,v 1.2 2001/12/04 02:06:09 rjs3 Exp $");
51 krb_get_int(void *f, u_int32_t *to, int size, int lsb)
54 unsigned char *from = (unsigned char *)f;
58 for(i = size-1; i >= 0; i--)
59 *to = (*to << 8) | from[i];
61 for(i = 0; i < size; i++)
62 *to = (*to << 8) | from[i];
68 krb_put_int(u_int32_t from, void *to, size_t rem, int size)
71 unsigned char *p = (unsigned char *)to;
76 for(i = size - 1; i >= 0; i--){
84 /* addresses are always sent in network byte order */
87 krb_get_address(void *from, u_int32_t *to)
89 unsigned char *p = (unsigned char*)from;
90 *to = htonl((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
95 krb_put_address(u_int32_t addr, void *to, size_t rem)
97 return krb_put_int(ntohl(addr), to, rem, 4);
101 krb_put_string(const char *from, void *to, size_t rem)
103 size_t len = strlen(from) + 1;
107 memcpy(to, from, len);
112 krb_get_string(void *from, char *to, size_t to_size)
114 strcpy_truncate (to, (char *)from, to_size);
115 return strlen((char *)from) + 1;
119 krb_get_nir(void *from, char *name, char *instance, char *realm)
121 char *p = (char *)from;
123 p += krb_get_string(p, name, ANAME_SZ);
124 p += krb_get_string(p, instance, INST_SZ);
126 p += krb_get_string(p, realm, REALM_SZ);
127 return p - (char *)from;
131 krb_put_nir(const char *name,const char *instance,const char *realm, void *to, size_t rem)
133 char *p = (char *)to;
136 tmp = krb_put_string(name, p, rem);
142 tmp = krb_put_string(instance, p, rem);
149 tmp = krb_put_string(realm, p, rem);
155 return p - (char *)to;