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[openldap] / servers / slapd / back-ldbm / compare.c
1 /* compare.c - ldbm backend compare routine */
2
3 #include "portable.h"
4
5 #include <stdio.h>
6
7 #include <ac/socket.h>
8 #include <ac/string.h>
9
10 #include "slap.h"
11 #include "back-ldbm.h"
12 #include "proto-back-ldbm.h"
13
14 int
15 ldbm_back_compare(
16     Backend     *be,
17     Connection  *conn,
18     Operation   *op,
19     char        *dn,
20     Ava         *ava
21 )
22 {
23         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
24         char            *matched;
25         Entry           *e;
26         Attribute       *a;
27         int             rc;
28
29         /* get entry with reader lock */
30         if ( (e = dn2entry_r( be, dn, &matched )) == NULL ) {
31                 send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
32
33                 if(matched == NULL) free(matched);
34                 return( 1 );
35         }
36
37         /* check for deleted */
38         if ( ! access_allowed( be, conn, op, e,
39                 ava->ava_type, &ava->ava_value, ACL_COMPARE ) )
40         {
41                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, "", "" );
42                 rc = 1;
43                 goto return_results;
44         }
45
46         if ( (a = attr_find( e->e_attrs, ava->ava_type )) == NULL ) {
47                 send_ldap_result( conn, op, LDAP_NO_SUCH_ATTRIBUTE, "", "" );
48                 rc = 1;
49                 goto return_results;
50         }
51
52         if ( value_find( a->a_vals, &ava->ava_value, a->a_syntax, 1 ) == 0 ) 
53                 send_ldap_result( conn, op, LDAP_COMPARE_TRUE, "", "" );
54         else
55                 send_ldap_result( conn, op, LDAP_COMPARE_FALSE, "", "" );
56
57         rc = 0;
58
59 return_results:;
60         cache_return_entry_r( &li->li_cache, e );
61         return( rc );
62 }