1 /* $NetBSD: pname_to_uid.c,v 1.1.1.1 2014/04/24 12:45:29 pettai Exp $ */
2
3 /*
4 * Copyright (c) 2011, PADL Software Pty Ltd.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * 3. Neither the name of PADL Software nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "gsskrb5_locl.h"
36
37 OM_uint32 GSSAPI_CALLCONV
_gsskrb5_pname_to_uid(OM_uint32 * minor_status,const gss_name_t pname,const gss_OID mech_type,uid_t * uidp)38 _gsskrb5_pname_to_uid(OM_uint32 *minor_status,
39 const gss_name_t pname,
40 const gss_OID mech_type,
41 uid_t *uidp)
42 {
43 #ifdef NO_LOCALNAME
44 *minor_status = KRB5_NO_LOCALNAME;
45 return GSS_S_FAILURE;
46 #else
47 krb5_error_code ret;
48 krb5_context context;
49 krb5_const_principal princ = (krb5_const_principal)pname;
50 char localname[256];
51 #ifdef POSIX_GETPWNAM_R
52 char pwbuf[2048];
53 struct passwd pw, *pwd;
54 #else
55 struct passwd *pwd;
56 #endif
57
58 GSSAPI_KRB5_INIT(&context);
59
60 *minor_status = 0;
61
62 ret = krb5_aname_to_localname(context, princ,
63 sizeof(localname), localname);
64 if (ret != 0) {
65 *minor_status = ret;
66 return GSS_S_FAILURE;
67 }
68
69 #ifdef POSIX_GETPWNAM_R
70 if (getpwnam_r(localname, &pw, pwbuf, sizeof(pwbuf), &pwd) != 0) {
71 *minor_status = KRB5_NO_LOCALNAME;
72 return GSS_S_FAILURE;
73 }
74 #else
75 pwd = getpwnam(localname);
76 #endif
77
78 if (pwd == NULL) {
79 *minor_status = KRB5_NO_LOCALNAME;
80 return GSS_S_FAILURE;
81 }
82
83 *uidp = pwd->pw_uid;
84
85 return GSS_S_COMPLETE;
86 #endif /* NO_LOCALNAME */
87 }
88