1 /* $OpenLDAP$ */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3 *
4 * Copyright 1999-2021 The OpenLDAP Foundation.
5 * Portions Copyright 1999 Dmitry Kovalev.
6 * Portions Copyright 2002 Pierangelo Masarati.
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 /* ACKNOWLEDGEMENTS:
18 * This work was initially developed by Dmitry Kovalev for inclusion
19 * by OpenLDAP Software. Additional significant contributors include
20 * Pierangelo Masarati.
21 */
22
23 #include "portable.h"
24
25 #include <stdio.h>
26 #include <sys/types.h>
27 #include "ac/string.h"
28
29 #include "slap.h"
30 #include "proto-sql.h"
31
32 int
backsql_modify(Operation * op,SlapReply * rs)33 backsql_modify( Operation *op, SlapReply *rs )
34 {
35 backsql_info *bi = (backsql_info*)op->o_bd->be_private;
36 SQLHDBC dbh = SQL_NULL_HDBC;
37 backsql_oc_map_rec *oc = NULL;
38 backsql_srch_info bsi = { 0 };
39 Entry m = { 0 }, *e = NULL;
40 int manageDSAit = get_manageDSAit( op );
41 SQLUSMALLINT CompletionType = SQL_ROLLBACK;
42
43 /*
44 * FIXME: in case part of the operation cannot be performed
45 * (missing mapping, SQL write fails or so) the entire operation
46 * should be rolled-back
47 */
48 Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
49 op->o_req_ndn.bv_val );
50
51 rs->sr_err = backsql_get_db_conn( op, &dbh );
52 if ( rs->sr_err != LDAP_SUCCESS ) {
53 Debug( LDAP_DEBUG_TRACE, " backsql_modify(): "
54 "could not get connection handle - exiting\n" );
55 /*
56 * FIXME: we don't want to send back
57 * excessively detailed messages
58 */
59 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
60 ? "SQL-backend error" : NULL;
61 goto done;
62 }
63
64 bsi.bsi_e = &m;
65 rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
66 LDAP_SCOPE_BASE,
67 (time_t)(-1), NULL, dbh, op, rs,
68 slap_anlist_all_attributes,
69 ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
70 switch ( rs->sr_err ) {
71 case LDAP_SUCCESS:
72 break;
73
74 case LDAP_REFERRAL:
75 if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
76 dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
77 {
78 rs->sr_err = LDAP_SUCCESS;
79 rs->sr_text = NULL;
80 rs->sr_matched = NULL;
81 if ( rs->sr_ref ) {
82 ber_bvarray_free( rs->sr_ref );
83 rs->sr_ref = NULL;
84 }
85 break;
86 }
87 e = &m;
88 /* fallthru */
89
90 default:
91 Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
92 "could not retrieve modifyDN ID - no such entry\n" );
93 if ( !BER_BVISNULL( &m.e_nname ) ) {
94 /* FIXME: should always be true! */
95 e = &m;
96
97 } else {
98 e = NULL;
99 }
100 goto done;
101 }
102
103 Debug( LDAP_DEBUG_TRACE, " backsql_modify(): "
104 "modifying entry \"%s\" (id=" BACKSQL_IDFMT ")\n",
105 bsi.bsi_base_id.eid_dn.bv_val,
106 BACKSQL_IDARG(bsi.bsi_base_id.eid_id) );
107
108 if ( get_assert( op ) &&
109 ( test_filter( op, &m, get_assertion( op ) )
110 != LDAP_COMPARE_TRUE ))
111 {
112 rs->sr_err = LDAP_ASSERTION_FAILED;
113 e = &m;
114 goto done;
115 }
116
117 slap_mods_opattrs( op, &op->orm_modlist, 1 );
118
119 assert( bsi.bsi_base_id.eid_oc != NULL );
120 oc = bsi.bsi_base_id.eid_oc;
121
122 if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) {
123 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
124 e = &m;
125 goto done;
126 }
127
128 rs->sr_err = backsql_modify_internal( op, rs, dbh, oc,
129 &bsi.bsi_base_id, op->orm_modlist );
130 if ( rs->sr_err != LDAP_SUCCESS ) {
131 e = &m;
132 goto do_transact;
133 }
134
135 if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
136 char textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
137
138 backsql_entry_clean( op, &m );
139
140 bsi.bsi_e = &m;
141 rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id );
142 if ( rs->sr_err != LDAP_SUCCESS ) {
143 e = &m;
144 goto do_transact;
145 }
146
147 rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0, NULL,
148 &rs->sr_text, textbuf, sizeof( textbuf ) );
149 if ( rs->sr_err != LDAP_SUCCESS ) {
150 Debug( LDAP_DEBUG_TRACE, " backsql_modify(\"%s\"): "
151 "entry failed schema check -- aborting\n",
152 m.e_name.bv_val );
153 e = NULL;
154 goto do_transact;
155 }
156 }
157
158 do_transact:;
159 /*
160 * Commit only if all operations succeed
161 */
162 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
163 assert( e == NULL );
164 CompletionType = SQL_COMMIT;
165 }
166
167 SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
168
169 done:;
170 if ( e != NULL ) {
171 if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
172 ACL_DISCLOSE, NULL ) )
173 {
174 rs->sr_err = LDAP_NO_SUCH_OBJECT;
175 rs->sr_text = NULL;
176 rs->sr_matched = NULL;
177 if ( rs->sr_ref ) {
178 ber_bvarray_free( rs->sr_ref );
179 rs->sr_ref = NULL;
180 }
181 }
182 }
183
184 if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
185 rs->sr_err = LDAP_X_NO_OPERATION;
186 }
187
188 send_ldap_result( op, rs );
189 slap_graduate_commit_csn( op );
190
191 if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
192 (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
193 }
194
195 if ( !BER_BVISNULL( &m.e_nname ) ) {
196 backsql_entry_clean( op, &m );
197 }
198
199 if ( bsi.bsi_attrs != NULL ) {
200 op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
201 }
202
203 if ( rs->sr_ref ) {
204 ber_bvarray_free( rs->sr_ref );
205 rs->sr_ref = NULL;
206 }
207
208 Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n" );
209
210 return rs->sr_err;
211 }
212
213