| 1 | /*
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| 2 | * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
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| 3 | * (Royal Institute of Technology, Stockholm, Sweden).
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * 1. Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | *
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | *
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| 17 | * 3. Neither the name of the Institute nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | */
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| 33 |
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| 34 | /* This file for code taken from the Heimdal code, to preserve licence */
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| 35 | /* Modified by Andrew Bartlett <abartlet@samba.org> */
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| 36 |
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| 37 | #include "includes.h"
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| 38 | #include "system/kerberos.h"
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| 39 | #include "auth/kerberos/kerberos.h"
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| 40 |
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| 41 | /* Taken from accept_sec_context.c,v 1.65 */
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| 42 | krb5_error_code smb_rd_req_return_stuff(krb5_context context,
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| 43 | krb5_auth_context *auth_context,
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| 44 | const krb5_data *inbuf,
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| 45 | krb5_keytab keytab,
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| 46 | krb5_principal acceptor_principal,
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| 47 | krb5_data *outbuf,
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| 48 | krb5_ticket **ticket,
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| 49 | krb5_keyblock **keyblock)
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| 50 | {
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| 51 | krb5_rd_req_in_ctx in = NULL;
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| 52 | krb5_rd_req_out_ctx out = NULL;
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| 53 | krb5_error_code kret;
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| 54 |
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| 55 | *keyblock = NULL;
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| 56 | *ticket = NULL;
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| 57 | outbuf->length = 0;
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| 58 | outbuf->data = NULL;
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| 59 |
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| 60 | kret = krb5_rd_req_in_ctx_alloc(context, &in);
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| 61 | if (kret == 0)
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| 62 | kret = krb5_rd_req_in_set_keytab(context, in, keytab);
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| 63 | if (kret) {
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| 64 | if (in)
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| 65 | krb5_rd_req_in_ctx_free(context, in);
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| 66 | return kret;
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| 67 | }
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| 68 |
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| 69 | kret = krb5_rd_req_ctx(context,
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| 70 | auth_context,
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| 71 | inbuf,
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| 72 | acceptor_principal,
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| 73 | in, &out);
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| 74 | krb5_rd_req_in_ctx_free(context, in);
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| 75 | if (kret) {
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| 76 | return kret;
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| 77 | }
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| 78 |
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| 79 | /*
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| 80 | * We need to remember some data on the context_handle.
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| 81 | */
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| 82 | kret = krb5_rd_req_out_get_ticket(context, out,
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| 83 | ticket);
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| 84 | if (kret == 0) {
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| 85 | kret = krb5_rd_req_out_get_keyblock(context, out,
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| 86 | keyblock);
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| 87 | }
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| 88 | krb5_rd_req_out_ctx_free(context, out);
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| 89 |
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| 90 | if (kret == 0) {
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| 91 | kret = krb5_mk_rep(context, *auth_context, outbuf);
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| 92 | }
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| 93 |
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| 94 | if (kret) {
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| 95 | krb5_free_ticket(context, *ticket);
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| 96 | krb5_free_keyblock(context, *keyblock);
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| 97 | krb5_data_free(outbuf);
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| 98 | }
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| 99 |
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| 100 | return kret;
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| 101 | }
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| 102 |
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