summaryrefslogtreecommitdiffstats
path: root/ldap/c-sdk/libraries/libldap/authzidctrl.c
blob: 69b776cdc4350cc5274b32603337d11d2a8d0295 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Sun LDAP C SDK.
 *
 * The Initial Developer of the Original Code is Sun Microsystems, Inc.
 *
 * Portions created by Sun Microsystems, Inc are Copyright (C) 2005
 * Sun Microsystems, Inc. All Rights Reserved.
 *
 * Contributor(s): abobrov@sun.com
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "ldap-int.h"

/* ldap_create_authzid_control:

Parameters are  

ld              LDAP pointer to the desired connection 

ctl_iscritical  Indicates whether the control is critical of not. 
                If this field is non-zero, the operation will only be 
                carried out if the control is recognized by the server
                and/or client

ctrlp           the address of a place to put the constructed control 
*/

int
LDAP_CALL
ldap_create_authzid_control ( 	
							 LDAP        *ld, 
							 const char  ctl_iscritical,
							 LDAPControl **ctrlp   
							)
{
	int				rc;
	
	if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
		return( LDAP_PARAM_ERROR );
	}
	
	if ( ctrlp == NULL ) {
		LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
		return ( LDAP_PARAM_ERROR );
	}
	
	rc = nsldapi_build_control( LDAP_CONTROL_AUTHZID_REQ, 
								NULL, 0, ctl_iscritical, ctrlp );
	
	LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
	return( rc );
}

/* ldap_parse_authzid_control:

Parameters are  

ld              LDAP pointer to the desired connection 

ctrlp           An array of controls obtained from calling  
                ldap_parse_result on the set of results 
                returned by the server     

authzid         authorization identity, as defined in 
                RFC 2829, section 9.
*/

int
LDAP_CALL
ldap_parse_authzid_control ( 	
							LDAP        *ld, 
							LDAPControl **ctrlp,  
							char        **authzid
						   )
{
	int			i, foundAUTHZIDControl;
	char        *authzidp = NULL;
	LDAPControl *AUTHZIDCtrlp = NULL;
	
	if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) ) {
	    return( LDAP_PARAM_ERROR );
	}
	
	/* find the control in the list of controls if it exists */
	if ( ctrlp == NULL ) {
		LDAP_SET_LDERRNO( ld, LDAP_CONTROL_NOT_FOUND, NULL, NULL );
		return ( LDAP_CONTROL_NOT_FOUND );
	} 
	foundAUTHZIDControl = 0;
	for ( i = 0; (( ctrlp[i] != NULL ) && ( !foundAUTHZIDControl )); i++ ) {
		foundAUTHZIDControl = !strcmp( ctrlp[i]->ldctl_oid, 
									  LDAP_CONTROL_AUTHZID_RES );
	}
	
	/*
	 * The control is only included in a bind response if the resultCode 
	 * for the bind operation is success.
	 */
	if ( !foundAUTHZIDControl ) {
		LDAP_SET_LDERRNO( ld, LDAP_CONTROL_NOT_FOUND, NULL, NULL );
		return ( LDAP_CONTROL_NOT_FOUND );
	} else {
		/* let local var point to the control */
		AUTHZIDCtrlp = ctrlp[i-1];			
	}
	
	/*
	 * If the bind request succeeded and resulted in an identity (not anonymous), 
	 * the controlValue contains the authorization identity (authzid), as
	 * defined in [AUTH] section 9, granted to the requestor.  If the bind
	 * request resulted in an anonymous association, the controlValue field
	 * is a string of zero length.  If the bind request resulted in more
	 * than one authzid, the primary authzid is returned in the controlValue
	 * field.
	 */
	if ( AUTHZIDCtrlp && AUTHZIDCtrlp->ldctl_value.bv_val && 
		 AUTHZIDCtrlp->ldctl_value.bv_len ) {
		authzidp = ( (char *)NSLDAPI_MALLOC( 
							( AUTHZIDCtrlp->ldctl_value.bv_len + 1 ) ) );
		if ( authzidp == NULL ) {
			LDAP_SET_LDERRNO( ld, LDAP_NO_MEMORY, NULL, NULL );
			return( LDAP_NO_MEMORY );
		}
		STRLCPY( authzidp, AUTHZIDCtrlp->ldctl_value.bv_val, 
				 ( AUTHZIDCtrlp->ldctl_value.bv_len + 1 ) );
		*authzid = authzidp;
	} else {
		authzid = NULL;
	}
	
	return( LDAP_SUCCESS );
}