1 /* $NetBSD: iter_cred.c,v 1.2 2017/01/28 21:31:47 christos Exp $ */
2
3 /*
4 * Copyright (c) 2006 Kungliga Tekniska H�gskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * 3. Neither the name of the Institute nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 #include "ntlm.h"
39
40 void GSSAPI_CALLCONV
_gss_ntlm_iter_creds_f(OM_uint32 flags,void * userctx,void (* cred_iter)(void *,gss_OID,gss_cred_id_t))41 _gss_ntlm_iter_creds_f(OM_uint32 flags,
42 void *userctx ,
43 void (*cred_iter)(void *, gss_OID, gss_cred_id_t))
44 {
45 #ifdef HAVE_KCM
46 krb5_error_code ret;
47 krb5_context context = NULL;
48 krb5_storage *request, *response;
49 krb5_data response_data;
50
51 ret = krb5_init_context(&context);
52 if (ret)
53 goto done;
54
55 ret = krb5_kcm_storage_request(context, KCM_OP_GET_NTLM_USER_LIST, &request);
56 if (ret)
57 goto done;
58
59 ret = krb5_kcm_call(context, request, &response, &response_data);
60 krb5_storage_free(request);
61 if (ret)
62 goto done;
63
64 while (1) {
65 uint32_t morep;
66 char *user = NULL, *domain = NULL;
67 ntlm_cred dn;
68
69 ret = krb5_ret_uint32(response, &morep);
70 if (ret) goto out;
71
72 if (!morep) goto out;
73
74 ret = krb5_ret_stringz(response, &user);
75 if (ret) goto out;
76 ret = krb5_ret_stringz(response, &domain);
77 if (ret) {
78 free(user);
79 goto out;
80 }
81
82 dn = calloc(1, sizeof(*dn));
83 if (dn == NULL) {
84 free(user);
85 free(domain);
86 goto out;
87 }
88 dn->username = user;
89 dn->domain = domain;
90
91 cred_iter(userctx, GSS_NTLM_MECHANISM, (gss_cred_id_t)dn);
92 }
93 out:
94 krb5_storage_free(response);
95 krb5_data_free(&response_data);
96 done:
97 if (context)
98 krb5_free_context(context);
99 #endif /* HAVE_KCM */
100 (*cred_iter)(userctx, NULL, NULL);
101 }
102