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"
35 RCSID("$Id$");
36
37 krb5_context context;
38
39 static int
proto(int sock,const char * service)40 proto (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
155 static int
doit(int port,const char * service)156 doit (int port, const char *service)
157 {
158 mini_inetd (port, NULL);
159
160 return proto (STDIN_FILENO, service);
161 }
162
163 int
main(int argc,char ** argv)164 main(int argc, char **argv)
165 {
166 int port = server_setup(&context, argc, argv);
167 return doit (port, service);
168 }
169