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
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 ret
= _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 int saved_errno
= errno
;
181 krb5_set_error_message(context
, saved_errno
, "Failed to open: %s", fn
);
185 sp
= krb5_storage_from_fd(fd
);
188 krb5_set_error_message(context
, ENOMEM
, "Storage failed to open fd");
192 ret
= krb5_sockaddr2address(context
, sa
, &a
);
196 krb5_store_uint32(sp
, 1);
197 krb5_store_uint32(sp
, t
);
198 krb5_store_address(sp
, a
);
199 krb5_store_data(sp
, d
);
204 ret
= der_get_tag (reply
->data
, reply
->length
,
205 &cl
, &ty
, &tag
, NULL
);
207 krb5_store_uint32(sp
, 0xffffffff);
208 krb5_store_uint32(sp
, 0xffffffff);
210 krb5_store_uint32(sp
, MAKE_TAG(cl
, ty
, 0));
211 krb5_store_uint32(sp
, tag
);
215 krb5_free_address(context
, &a
);
217 krb5_storage_free(sp
);