1 /*        $NetBSD: delete.c,v 1.3 2021/08/14 16:14:55 christos Exp $  */
2 
3 /* $OpenLDAP$ */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5  *
6  * Copyright 1998-2021 The OpenLDAP Foundation.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted only as authorized by the OpenLDAP
11  * Public License.
12  *
13  * A copy of this license is available in the file LICENSE in the
14  * top-level directory of the distribution or, alternatively, at
15  * <http://www.OpenLDAP.org/license.html>.
16  */
17 /* Portions Copyright (c) 1990 Regents of the University of Michigan.
18  * All rights reserved.
19  */
20 
21 #include <sys/cdefs.h>
22 __RCSID("$NetBSD: delete.c,v 1.3 2021/08/14 16:14:55 christos Exp $");
23 
24 #include "portable.h"
25 
26 #include <stdio.h>
27 
28 #include <ac/socket.h>
29 #include <ac/string.h>
30 #include <ac/time.h>
31 
32 #include "ldap-int.h"
33 
34 /*
35  * A delete request looks like this:
36  *        DelRequest ::= DistinguishedName,
37  */
38 
39 BerElement *
ldap_build_delete_req(LDAP * ld,LDAP_CONST char * dn,LDAPControl ** sctrls,LDAPControl ** cctrls,int * msgidp)40 ldap_build_delete_req(
41           LDAP *ld,
42           LDAP_CONST char *dn,
43           LDAPControl **sctrls,
44           LDAPControl **cctrls,
45           int       *msgidp )
46 {
47           BerElement          *ber;
48           int rc;
49 
50           /* create a message to send */
51           if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
52                     return( NULL );
53           }
54 
55           LDAP_NEXT_MSGID( ld, *msgidp );
56           rc = ber_printf( ber, "{its", /* '}' */
57                     *msgidp, LDAP_REQ_DELETE, dn );
58           if ( rc == -1 )
59           {
60                     ld->ld_errno = LDAP_ENCODING_ERROR;
61                     ber_free( ber, 1 );
62                     return( NULL );
63           }
64 
65           /* Put Server Controls */
66           if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
67                     ber_free( ber, 1 );
68                     return( NULL );
69           }
70 
71           if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
72                     ld->ld_errno = LDAP_ENCODING_ERROR;
73                     ber_free( ber, 1 );
74                     return( NULL );
75           }
76 
77           return( ber );
78 }
79 
80 /*
81  * ldap_delete_ext - initiate an ldap extended delete operation. Parameters:
82  *
83  *        ld                  LDAP descriptor
84  *        dn                  DN of the object to delete
85  *        sctrls    Server Controls
86  *        cctrls    Client Controls
87  *        msgidp    Message Id Pointer
88  *
89  * Example:
90  *        rc = ldap_delete( ld, dn, sctrls, cctrls, msgidp );
91  */
92 int
ldap_delete_ext(LDAP * ld,LDAP_CONST char * dn,LDAPControl ** sctrls,LDAPControl ** cctrls,int * msgidp)93 ldap_delete_ext(
94           LDAP *ld,
95           LDAP_CONST char* dn,
96           LDAPControl **sctrls,
97           LDAPControl **cctrls,
98           int *msgidp )
99 {
100           int rc;
101           BerElement          *ber;
102           ber_int_t id;
103 
104           Debug0( LDAP_DEBUG_TRACE, "ldap_delete_ext\n" );
105 
106           assert( ld != NULL );
107           assert( LDAP_VALID( ld ) );
108           assert( dn != NULL );
109           assert( msgidp != NULL );
110 
111           /* check client controls */
112           rc = ldap_int_client_controls( ld, cctrls );
113           if( rc != LDAP_SUCCESS ) return rc;
114 
115           ber = ldap_build_delete_req( ld, dn, sctrls, cctrls, &id );
116           if( !ber )
117                     return ld->ld_errno;
118 
119           /* send the message */
120           *msgidp = ldap_send_initial_request( ld, LDAP_REQ_DELETE, dn, ber, id );
121 
122           if(*msgidp < 0)
123                     return ld->ld_errno;
124 
125           return LDAP_SUCCESS;
126 }
127 
128 int
ldap_delete_ext_s(LDAP * ld,LDAP_CONST char * dn,LDAPControl ** sctrls,LDAPControl ** cctrls)129 ldap_delete_ext_s(
130           LDAP *ld,
131           LDAP_CONST char *dn,
132           LDAPControl **sctrls,
133           LDAPControl **cctrls )
134 {
135           int       msgid;
136           int rc;
137           LDAPMessage         *res;
138 
139           rc = ldap_delete_ext( ld, dn, sctrls, cctrls, &msgid );
140 
141           if( rc != LDAP_SUCCESS )
142                     return( ld->ld_errno );
143 
144           if ( ldap_result( ld, msgid, LDAP_MSG_ALL, (struct timeval *) NULL, &res ) == -1 || !res )
145                     return( ld->ld_errno );
146 
147           return( ldap_result2error( ld, res, 1 ) );
148 }
149 /*
150  * ldap_delete - initiate an ldap (and X.500) delete operation. Parameters:
151  *
152  *        ld                  LDAP descriptor
153  *        dn                  DN of the object to delete
154  *
155  * Example:
156  *        msgid = ldap_delete( ld, dn );
157  */
158 int
ldap_delete(LDAP * ld,LDAP_CONST char * dn)159 ldap_delete( LDAP *ld, LDAP_CONST char *dn )
160 {
161           int msgid;
162 
163           /*
164            * A delete request looks like this:
165            *        DelRequest ::= DistinguishedName,
166            */
167 
168           Debug0( LDAP_DEBUG_TRACE, "ldap_delete\n" );
169 
170           return ldap_delete_ext( ld, dn, NULL, NULL, &msgid ) == LDAP_SUCCESS
171                     ? msgid : -1 ;
172 }
173 
174 
175 int
ldap_delete_s(LDAP * ld,LDAP_CONST char * dn)176 ldap_delete_s( LDAP *ld, LDAP_CONST char *dn )
177 {
178           return ldap_delete_ext_s( ld, dn, NULL, NULL );
179 }
180