xref: /freebsd/crypto/heimdal/appl/test/nt_gss_common.c (revision 4928135658a9d0eaee37003df6137ab363fcb0b4)
1 /*
2  * Copyright (c) 1997, 1998, 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 #include <gssapi.h>
36 #include "nt_gss_common.h"
37 
38 RCSID("$Id$");
39 
40 /*
41  * These are functions that are needed to interoperate with the
42  * `Sample SSPI Code' in Windows 2000 RC1 SDK.
43  */
44 
45 /*
46  * Write the `gss_buffer_t' in `buf' onto the fd `sock', but remember that
47  * the length is written in little-endian-order.
48  */
49 
50 void
51 nt_write_token (int sock, gss_buffer_t buf)
52 {
53     unsigned char net_len[4];
54     uint32_t len;
55     OM_uint32 min_stat;
56 
57     len = buf->length;
58 
59     net_len[0] = (len >>  0) & 0xFF;
60     net_len[1] = (len >>  8) & 0xFF;
61     net_len[2] = (len >> 16) & 0xFF;
62     net_len[3] = (len >> 24) & 0xFF;
63 
64     if (write (sock, net_len, 4) != 4)
65 	err (1, "write");
66     if (write (sock, buf->value, len) != len)
67 	err (1, "write");
68 
69     gss_release_buffer (&min_stat, buf);
70 }
71 
72 /*
73  *
74  */
75 
76 void
77 nt_read_token (int sock, gss_buffer_t buf)
78 {
79     unsigned char net_len[4];
80     uint32_t len;
81 
82     if (read(sock, net_len, 4) != 4)
83 	err (1, "read");
84     len = (net_len[0] <<  0)
85 	| (net_len[1] <<  8)
86 	| (net_len[2] << 16)
87 	| (net_len[3] << 24);
88 
89     buf->length = len;
90     buf->value  = malloc(len);
91     if (read (sock, buf->value, len) != len)
92 	err (1, "read");
93 }
94 
95 void
96 gss_print_errors (int min_stat)
97 {
98     OM_uint32 new_stat;
99     OM_uint32 msg_ctx = 0;
100     gss_buffer_desc status_string;
101     OM_uint32 ret;
102 
103     do {
104 	ret = gss_display_status (&new_stat,
105 				  min_stat,
106 				  GSS_C_MECH_CODE,
107 				  GSS_C_NO_OID,
108 				  &msg_ctx,
109 				  &status_string);
110 	fprintf (stderr, "%.*s\n",
111 		(int)status_string.length,
112 		(char *)status_string.value);
113 	gss_release_buffer (&new_stat, &status_string);
114     } while (!GSS_ERROR(ret) && msg_ctx != 0);
115 }
116 
117 void
118 gss_verr(int exitval, int status, const char *fmt, va_list ap)
119 {
120     vwarnx (fmt, ap);
121     gss_print_errors (status);
122     exit (exitval);
123 }
124 
125 void
126 gss_err(int exitval, int status, const char *fmt, ...)
127 {
128     va_list args;
129 
130     va_start(args, fmt);
131     gss_verr (exitval, status, fmt, args);
132     va_end(args);
133 }
134