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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2018 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* Portions Copyright 1999-2003 Howard Chu.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by the Howard Chu for inclusion
* in OpenLDAP Software and subsequently enhanced by Pierangelo
* Masarati.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
int
meta_back_modrdn( Operation *op, SlapReply *rs )
{
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
metatarget_t *mt;
metaconn_t *mc;
int candidate = -1;
struct berval mdn = BER_BVNULL,
mnewSuperior = BER_BVNULL;
dncookie dc;
int msgid;
ldap_back_send_t retrying = LDAP_BACK_RETRYING;
LDAPControl **ctrls = NULL;
struct berval newrdn = BER_BVNULL;
mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
return rs->sr_err;
}
assert( mc->mc_conns[ candidate ].msc_ld != NULL );
mt = mi->mi_targets[ candidate ];
dc.target = mt;
dc.conn = op->o_conn;
dc.rs = rs;
if ( op->orr_newSup ) {
/*
* NOTE: the newParent, if defined, must be on the
* same target as the entry to be renamed. This check
* has been anticipated in meta_back_getconn()
*/
/*
* FIXME: one possibility is to delete the entry
* from one target and add it to the other;
* unfortunately we'd need write access to both,
* which is nearly impossible; for administration
* needs, the rootdn of the metadirectory could
* be mapped to an administrative account on each
* target (the binddn?); we'll see.
*/
/*
* NOTE: we need to port the identity assertion
* feature from back-ldap
*/
/* needs LDAPv3 */
switch ( mt->mt_version ) {
case LDAP_VERSION3:
break;
case 0:
if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
break;
}
/* fall thru */
default:
/* op->o_protocol cannot be anything but LDAPv3,
* otherwise wouldn't be here */
rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
send_ldap_result( op, rs );
goto cleanup;
}
/*
* Rewrite the new superior, if defined and required
*/
dc.ctx = "newSuperiorDN";
if ( ldap_back_dn_massage( &dc, op->orr_newSup, &mnewSuperior ) ) {
rs->sr_err = LDAP_OTHER;
send_ldap_result( op, rs );
goto cleanup;
}
}
/*
* Rewrite the modrdn dn, if required
*/
dc.ctx = "modrDN";
if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
rs->sr_err = LDAP_OTHER;
send_ldap_result( op, rs );
goto cleanup;
}
/* NOTE: we need to copy the newRDN in case it was formed
* from a DN by simply changing the length (ITS#5397) */
newrdn = op->orr_newrdn;
if ( newrdn.bv_val[ newrdn.bv_len ] != '\0' ) {
ber_dupbv_x( &newrdn, &op->orr_newrdn, op->o_tmpmemctx );
}
retry:;
ctrls = op->o_ctrls;
if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
{
send_ldap_result( op, rs );
goto cleanup;
}
rs->sr_err = ldap_rename( mc->mc_conns[ candidate ].msc_ld,
mdn.bv_val, newrdn.bv_val,
mnewSuperior.bv_val, op->orr_deleteoldrdn,
ctrls, NULL, &msgid );
rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
mt->mt_timeout[ SLAP_OP_MODRDN ], ( LDAP_BACK_SENDRESULT | retrying ) );
if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
retrying &= ~LDAP_BACK_RETRYING;
if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
/* if the identity changed, there might be need to re-authz */
(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
goto retry;
}
}
cleanup:;
(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
if ( mdn.bv_val != op->o_req_dn.bv_val ) {
free( mdn.bv_val );
BER_BVZERO( &mdn );
}
if ( !BER_BVISNULL( &mnewSuperior )
&& mnewSuperior.bv_val != op->orr_newSup->bv_val )
{
free( mnewSuperior.bv_val );
BER_BVZERO( &mnewSuperior );
}
if ( newrdn.bv_val != op->orr_newrdn.bv_val ) {
op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx );
}
if ( mc ) {
meta_back_release_conn( mi, mc );
}
return rs->sr_err;
}
|
