xref: /freebsd/crypto/heimdal/appl/test/gss_common.c (revision c25d7ab7414672a680e73cefc0a681d10427bf77)
1 /*
2  * Copyright (c) 1997 - 2000 Kungliga Tekniska H�gskolan
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 #include <gssapi.h>
36 #include "gss_common.h"
37 RCSID("$Id: gss_common.c,v 1.9 2000/11/15 23:05:27 assar Exp $");
38 
39 void
40 write_token (int sock, gss_buffer_t buf)
41 {
42     u_int32_t len, net_len;
43     OM_uint32 min_stat;
44 
45     len = buf->length;
46 
47     net_len = htonl(len);
48 
49     if (net_write (sock, &net_len, 4) != 4)
50 	err (1, "write");
51     if (net_write (sock, buf->value, len) != len)
52 	err (1, "write");
53 
54     gss_release_buffer (&min_stat, buf);
55 }
56 
57 static void
58 enet_read(int fd, void *buf, size_t len)
59 {
60     ssize_t ret;
61 
62     ret = net_read (fd, buf, len);
63     if (ret == 0)
64 	errx (1, "EOF in read");
65     else if (ret < 0)
66 	errx (1, "read");
67 }
68 
69 void
70 read_token (int sock, gss_buffer_t buf)
71 {
72     u_int32_t len, net_len;
73 
74     enet_read (sock, &net_len, 4);
75     len = ntohl(net_len);
76     buf->length = len;
77     buf->value  = emalloc(len);
78     enet_read (sock, buf->value, len);
79 }
80 
81 void
82 gss_print_errors (int min_stat)
83 {
84     OM_uint32 new_stat;
85     OM_uint32 msg_ctx = 0;
86     gss_buffer_desc status_string;
87     OM_uint32 ret;
88 
89     do {
90 	ret = gss_display_status (&new_stat,
91 				  min_stat,
92 				  GSS_C_MECH_CODE,
93 				  GSS_C_NO_OID,
94 				  &msg_ctx,
95 				  &status_string);
96 	fprintf (stderr, "%s\n", (char *)status_string.value);
97 	gss_release_buffer (&new_stat, &status_string);
98     } while (!GSS_ERROR(ret) && msg_ctx != 0);
99 }
100 
101 void
102 gss_verr(int exitval, int status, const char *fmt, va_list ap)
103 {
104     vwarnx (fmt, ap);
105     gss_print_errors (status);
106     exit (exitval);
107 }
108 
109 void
110 gss_err(int exitval, int status, const char *fmt, ...)
111 {
112     va_list args;
113 
114     va_start(args, fmt);
115     gss_verr (exitval, status, fmt, args);
116     va_end(args);
117 }
118 
119