2 * Copyright (c) 1997-2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the Institute nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 RCSID("$Id: process.c 20959 2007-06-07 04:46:06Z lha $");
44 krb5_kdc_update_time(struct timeval *tv)
47 gettimeofday(&_kdc_now, NULL);
53 * handle the request in `buf, len', from `addr' (or `from' as a string),
54 * sending a reply in `reply'.
58 krb5_kdc_process_request(krb5_context context,
59 krb5_kdc_configuration *config,
63 krb5_boolean *prependlength,
65 struct sockaddr *addr,
71 Kx509Request kx509req;
75 if(decode_AS_REQ(buf, len, &req, &i) == 0){
78 req_buffer.data = buf;
79 req_buffer.length = len;
81 ret = _kdc_as_rep(context, config, &req, &req_buffer,
82 reply, from, addr, datagram_reply);
85 }else if(decode_TGS_REQ(buf, len, &req, &i) == 0){
86 ret = _kdc_tgs_rep(context, config, &req, reply, from, addr, datagram_reply);
89 }else if(decode_Ticket(buf, len, &ticket, &i) == 0){
90 ret = _kdc_do_524(context, config, &ticket, reply, from, addr);
93 }else if(decode_DigestREQ(buf, len, &digestreq, &i) == 0){
94 ret = _kdc_do_digest(context, config, &digestreq, reply, from, addr);
95 free_DigestREQ(&digestreq);
97 } else if (_kdc_try_kx509_request(buf, len, &kx509req, &i) == 0) {
98 ret = _kdc_do_kx509(context, config, &kx509req, reply, from, addr);
99 free_Kx509Request(&kx509req);
101 } else if(_kdc_maybe_version4(buf, len)){
102 *prependlength = FALSE; /* elbitapmoc sdrawkcab XXX */
103 _kdc_do_version4(context, config, buf, len, reply, from,
104 (struct sockaddr_in*)addr);
106 } else if (config->enable_kaserver) {
107 ret = _kdc_do_kaserver(context, config, buf, len, reply, from,
108 (struct sockaddr_in*)addr);
116 * handle the request in `buf, len', from `addr' (or `from' as a string),
117 * sending a reply in `reply'.
119 * This only processes krb5 requests
123 krb5_kdc_process_krb5_request(krb5_context context,
124 krb5_kdc_configuration *config,
129 struct sockaddr *addr,
136 if(decode_AS_REQ(buf, len, &req, &i) == 0){
137 krb5_data req_buffer;
139 req_buffer.data = buf;
140 req_buffer.length = len;
142 ret = _kdc_as_rep(context, config, &req, &req_buffer,
143 reply, from, addr, datagram_reply);
146 }else if(decode_TGS_REQ(buf, len, &req, &i) == 0){
147 ret = _kdc_tgs_rep(context, config, &req, reply, from, addr, datagram_reply);
159 krb5_kdc_save_request(krb5_context context,
161 const unsigned char *buf,
163 const krb5_data *reply,
164 const struct sockaddr *sa)
172 memset(&a, 0, sizeof(a));
174 d.data = rk_UNCONST(buf);
178 fd = open(fn, O_WRONLY|O_CREAT|O_APPEND, 0600);
180 krb5_set_error_string(context, "Failed to open: %s", fn);
184 sp = krb5_storage_from_fd(fd);
187 krb5_set_error_string(context, "Storage failed to open fd");
191 ret = krb5_sockaddr2address(context, sa, &a);
195 krb5_store_uint32(sp, 1);
196 krb5_store_uint32(sp, t);
197 krb5_store_address(sp, a);
198 krb5_store_data(sp, d);
203 ret = der_get_tag (reply->data, reply->length,
204 &cl, &ty, &tag, NULL);
206 krb5_store_uint32(sp, 0xffffffff);
207 krb5_store_uint32(sp, 0xffffffff);
209 krb5_store_uint32(sp, MAKE_TAG(cl, ty, 0));
210 krb5_store_uint32(sp, tag);
214 krb5_free_address(context, &a);
216 krb5_storage_free(sp);