164 lines
4.7 KiB
C
164 lines
4.7 KiB
C
/*
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* Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "test_locl.h"
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#include <gssapi.h>
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#include "nt_gss_common.h"
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RCSID("$Id: nt_gss_client.c,v 1.4 2000/08/09 20:53:07 assar Exp $");
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/*
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* This program tries to act as a client for the sample in `Sample
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* SSPI Code' in Windows 2000 RC1 SDK.
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*/
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static int
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proto (int sock, const char *hostname, const char *service)
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{
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struct sockaddr_in remote, local;
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socklen_t addrlen;
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int context_established = 0;
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gss_ctx_id_t context_hdl = GSS_C_NO_CONTEXT;
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gss_buffer_t input_token, output_token;
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gss_buffer_desc real_input_token, real_output_token;
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OM_uint32 maj_stat, min_stat;
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gss_name_t server;
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gss_buffer_desc name_token;
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name_token.length = asprintf ((char **)&name_token.value,
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"%s@%s", service, hostname);
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maj_stat = gss_import_name (&min_stat,
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&name_token,
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GSS_C_NT_HOSTBASED_SERVICE,
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&server);
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if (GSS_ERROR(maj_stat))
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gss_err (1, min_stat,
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"Error importing name `%s@%s':\n", service, hostname);
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addrlen = sizeof(local);
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if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
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|| addrlen != sizeof(local))
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err (1, "getsockname(%s)", hostname);
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addrlen = sizeof(remote);
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if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
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|| addrlen != sizeof(remote))
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err (1, "getpeername(%s)", hostname);
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input_token = &real_input_token;
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output_token = &real_output_token;
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input_token->length = 0;
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output_token->length = 0;
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while(!context_established) {
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maj_stat =
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gss_init_sec_context(&min_stat,
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GSS_C_NO_CREDENTIAL,
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&context_hdl,
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server,
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GSS_C_NO_OID,
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GSS_C_MUTUAL_FLAG | GSS_C_SEQUENCE_FLAG,
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0,
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GSS_C_NO_CHANNEL_BINDINGS,
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input_token,
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NULL,
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output_token,
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NULL,
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NULL);
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if (GSS_ERROR(maj_stat))
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gss_err (1, min_stat, "gss_init_sec_context");
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if (output_token->length != 0)
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nt_write_token (sock, output_token);
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if (GSS_ERROR(maj_stat)) {
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if (context_hdl != GSS_C_NO_CONTEXT)
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gss_delete_sec_context (&min_stat,
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&context_hdl,
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GSS_C_NO_BUFFER);
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break;
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}
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if (maj_stat & GSS_S_CONTINUE_NEEDED) {
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nt_read_token (sock, input_token);
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} else {
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context_established = 1;
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}
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}
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/* get_mic */
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input_token->length = 3;
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input_token->value = strdup("hej");
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maj_stat = gss_get_mic(&min_stat,
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context_hdl,
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GSS_C_QOP_DEFAULT,
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input_token,
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output_token);
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if (GSS_ERROR(maj_stat))
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gss_err (1, min_stat, "gss_get_mic");
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nt_write_token (sock, input_token);
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nt_write_token (sock, output_token);
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/* wrap */
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input_token->length = 7;
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input_token->value = "hemligt";
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maj_stat = gss_wrap (&min_stat,
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context_hdl,
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1,
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GSS_C_QOP_DEFAULT,
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input_token,
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NULL,
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output_token);
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if (GSS_ERROR(maj_stat))
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gss_err (1, min_stat, "gss_wrap");
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nt_write_token (sock, output_token);
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return 0;
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}
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int
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main(int argc, char **argv)
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{
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krb5_context context; /* XXX */
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int port = client_setup(&context, &argc, argv);
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return client_doit (argv[argc], port, service, proto);
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}
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