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