1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
|
/*
* Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "test_locl.h"
#include <gssapi.h>
#include "nt_gss_common.h"
RCSID("$Id$");
/*
* This program tries to act as a client for the sample in `Sample
* SSPI Code' in Windows 2000 RC1 SDK.
*/
static int
proto (int sock, const char *hostname, const char *service)
{
struct sockaddr_in remote, local;
socklen_t addrlen;
int context_established = 0;
gss_ctx_id_t context_hdl = GSS_C_NO_CONTEXT;
gss_buffer_t input_token, output_token;
gss_buffer_desc real_input_token, real_output_token;
OM_uint32 maj_stat, min_stat;
gss_name_t server;
gss_buffer_desc name_token;
char *str;
name_token.length = asprintf (&str,
"%s@%s", service, hostname);
if (str == NULL)
errx(1, "out of memory");
name_token.value = str;
maj_stat = gss_import_name (&min_stat,
&name_token,
GSS_C_NT_HOSTBASED_SERVICE,
&server);
if (GSS_ERROR(maj_stat))
gss_err (1, min_stat,
"Error importing name `%s@%s':\n", service, hostname);
addrlen = sizeof(local);
if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
|| addrlen != sizeof(local))
err (1, "getsockname(%s)", hostname);
addrlen = sizeof(remote);
if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
|| addrlen != sizeof(remote))
err (1, "getpeername(%s)", hostname);
input_token = &real_input_token;
output_token = &real_output_token;
input_token->length = 0;
output_token->length = 0;
while(!context_established) {
maj_stat =
gss_init_sec_context(&min_stat,
GSS_C_NO_CREDENTIAL,
&context_hdl,
server,
GSS_C_NO_OID,
GSS_C_MUTUAL_FLAG | GSS_C_SEQUENCE_FLAG,
0,
GSS_C_NO_CHANNEL_BINDINGS,
input_token,
NULL,
output_token,
NULL,
NULL);
if (GSS_ERROR(maj_stat))
gss_err (1, min_stat, "gss_init_sec_context");
if (output_token->length != 0)
nt_write_token (sock, output_token);
if (GSS_ERROR(maj_stat)) {
if (context_hdl != GSS_C_NO_CONTEXT)
gss_delete_sec_context (&min_stat,
&context_hdl,
GSS_C_NO_BUFFER);
break;
}
if (maj_stat & GSS_S_CONTINUE_NEEDED) {
nt_read_token (sock, input_token);
} else {
context_established = 1;
}
}
/* get_mic */
input_token->length = 3;
input_token->value = strdup("hej");
maj_stat = gss_get_mic(&min_stat,
context_hdl,
GSS_C_QOP_DEFAULT,
input_token,
output_token);
if (GSS_ERROR(maj_stat))
gss_err (1, min_stat, "gss_get_mic");
nt_write_token (sock, input_token);
nt_write_token (sock, output_token);
/* wrap */
input_token->length = 7;
input_token->value = "hemligt";
maj_stat = gss_wrap (&min_stat,
context_hdl,
1,
GSS_C_QOP_DEFAULT,
input_token,
NULL,
output_token);
if (GSS_ERROR(maj_stat))
gss_err (1, min_stat, "gss_wrap");
nt_write_token (sock, output_token);
return 0;
}
int
main(int argc, char **argv)
{
krb5_context context; /* XXX */
int port = client_setup(&context, &argc, argv);
return client_doit (argv[argc], port, service, proto);
}
|