1/*
2 * Copyright (c) 1997 - 1999 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 "test_locl.h"
35RCSID("$Id$");
36
37krb5_context context;
38
39static int
40proto (int sock, const char *service)
41{
42    krb5_auth_context auth_context;
43    krb5_error_code status;
44    krb5_principal server;
45    krb5_ticket *ticket;
46    char *name;
47    char hostname[MAXHOSTNAMELEN];
48    krb5_data packet;
49    krb5_data data;
50    uint32_t len, net_len;
51    ssize_t n;
52
53    status = krb5_auth_con_init (context, &auth_context);
54    if (status)
55	krb5_err (context, 1, status, "krb5_auth_con_init");
56
57    status = krb5_auth_con_setaddrs_from_fd (context,
58					     auth_context,
59					     &sock);
60
61    if (status)
62	krb5_err (context, 1, status, "krb5_auth_con_setaddrs_from_fd");
63
64    if(gethostname (hostname, sizeof(hostname)) < 0)
65	krb5_err (context, 1, errno, "gethostname");
66
67    status = krb5_sname_to_principal (context,
68				      hostname,
69				      service,
70				      KRB5_NT_SRV_HST,
71				      &server);
72    if (status)
73	krb5_err (context, 1, status, "krb5_sname_to_principal");
74
75    status = krb5_recvauth (context,
76			    &auth_context,
77			    &sock,
78			    VERSION,
79			    server,
80			    0,
81			    keytab,
82			    &ticket);
83    if (status)
84	krb5_err (context, 1, status, "krb5_recvauth");
85
86    status = krb5_unparse_name (context,
87				ticket->client,
88				&name);
89    if (status)
90	krb5_err (context, 1, status, "krb5_unparse_name");
91
92    fprintf (stderr, "User is `%s'\n", name);
93    free (name);
94
95    krb5_data_zero (&data);
96    krb5_data_zero (&packet);
97
98    n = krb5_net_read (context, &sock, &net_len, 4);
99    if (n == 0)
100	krb5_errx (context, 1, "EOF in krb5_net_read");
101    if (n < 0)
102	krb5_err (context, 1, errno, "krb5_net_read");
103
104    len = ntohl(net_len);
105
106    krb5_data_alloc (&packet, len);
107
108    n = krb5_net_read (context, &sock, packet.data, len);
109    if (n == 0)
110	krb5_errx (context, 1, "EOF in krb5_net_read");
111    if (n < 0)
112	krb5_err (context, 1, errno, "krb5_net_read");
113
114    status = krb5_rd_safe (context,
115			   auth_context,
116			   &packet,
117			   &data,
118			   NULL);
119    if (status)
120	krb5_err (context, 1, status, "krb5_rd_safe");
121
122    fprintf (stderr, "safe packet: %.*s\n", (int)data.length,
123	    (char *)data.data);
124
125    n = krb5_net_read (context, &sock, &net_len, 4);
126    if (n == 0)
127	krb5_errx (context, 1, "EOF in krb5_net_read");
128    if (n < 0)
129	krb5_err (context, 1, errno, "krb5_net_read");
130
131    len = ntohl(net_len);
132
133    krb5_data_alloc (&packet, len);
134
135    n = krb5_net_read (context, &sock, packet.data, len);
136    if (n == 0)
137	krb5_errx (context, 1, "EOF in krb5_net_read");
138    if (n < 0)
139	krb5_err (context, 1, errno, "krb5_net_read");
140
141    status = krb5_rd_priv (context,
142			   auth_context,
143			   &packet,
144			   &data,
145			   NULL);
146    if (status)
147	krb5_err (context, 1, status, "krb5_rd_priv");
148
149    fprintf (stderr, "priv packet: %.*s\n", (int)data.length,
150	    (char *)data.data);
151
152    return 0;
153}
154
155static int
156doit (int port, const char *service)
157{
158    mini_inetd (port, NULL);
159
160    return proto (STDIN_FILENO, service);
161}
162
163int
164main(int argc, char **argv)
165{
166    int port = server_setup(&context, argc, argv);
167    return doit (port, service_str);
168}
169