xref: /freebsd/crypto/heimdal/lib/kadm5/send_recv.c (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /*
2  * Copyright (c) 1997-2003, 2006 Kungliga Tekniska Högskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
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.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include "kadm5_locl.h"
35 
36 RCSID("$Id$");
37 
38 kadm5_ret_t
39 _kadm5_client_send(kadm5_client_context *context, krb5_storage *sp)
40 {
41     krb5_data msg, out;
42     krb5_error_code ret;
43     size_t len;
44     krb5_storage *sock;
45 
46     assert(context->sock != -1);
47 
48     len = krb5_storage_seek(sp, 0, SEEK_CUR);
49     ret = krb5_data_alloc(&msg, len);
50     if (ret) {
51 	krb5_clear_error_message(context->context);
52 	return ret;
53     }
54     krb5_storage_seek(sp, 0, SEEK_SET);
55     krb5_storage_read(sp, msg.data, msg.length);
56 
57     ret = krb5_mk_priv(context->context, context->ac, &msg, &out, NULL);
58     krb5_data_free(&msg);
59     if(ret)
60 	return ret;
61 
62     sock = krb5_storage_from_fd(context->sock);
63     if(sock == NULL) {
64 	krb5_clear_error_message(context->context);
65 	krb5_data_free(&out);
66 	return ENOMEM;
67     }
68 
69     ret = krb5_store_data(sock, out);
70     if (ret)
71 	krb5_clear_error_message(context->context);
72     krb5_storage_free(sock);
73     krb5_data_free(&out);
74     return ret;
75 }
76 
77 kadm5_ret_t
78 _kadm5_client_recv(kadm5_client_context *context, krb5_data *reply)
79 {
80     krb5_error_code ret;
81     krb5_data data;
82     krb5_storage *sock;
83 
84     sock = krb5_storage_from_fd(context->sock);
85     if(sock == NULL) {
86 	krb5_clear_error_message(context->context);
87 	return ENOMEM;
88     }
89     ret = krb5_ret_data(sock, &data);
90     krb5_storage_free(sock);
91     krb5_clear_error_message(context->context);
92     if(ret == KRB5_CC_END)
93 	return KADM5_RPC_ERROR;
94     else if(ret)
95 	return ret;
96 
97     ret = krb5_rd_priv(context->context, context->ac, &data, reply, NULL);
98     krb5_data_free(&data);
99     return ret;
100 }
101 
102