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
|
/** BEGIN COPYRIGHT BLOCK
* Copyright 2001 Sun Microsystems, Inc.
* Portions copyright 1999, 2001-2003 Netscape Communications Corporation.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/*
* File: compare.c
*
* Functions:
*
* ldif_back_compare() - ldap ldif back-end compare routine
*
*/
#include "back-ldif.h"
/*
* Function: ldif_back_compare
*
* Returns: -1, 0 or 1
*
* Description: compares entries in the ldif backend
*/
int
ldif_back_compare( Slapi_PBlock *pb )
{
LDIF *db; /*The Database*/
ldif_Entry *e, *prev; /*Used for searching the database*/
char *dn, *type; /*The dn and the type*/
struct berval *bval;
Slapi_Attr *attr;
int rc;
LDAPDebug( LDAP_DEBUG_TRACE, "=> ldif_back_compare\n", 0, 0, 0 );
prev = NULL;
if (slapi_pblock_get( pb, SLAPI_PLUGIN_PRIVATE, &db ) < 0 ||
slapi_pblock_get( pb, SLAPI_COMPARE_TARGET, &dn ) < 0 ||
slapi_pblock_get( pb, SLAPI_COMPARE_TYPE, &type ) < 0 ||
slapi_pblock_get( pb, SLAPI_COMPARE_VALUE, &bval ) < 0){
slapi_send_ldap_result( pb, LDAP_OPERATIONS_ERROR, NULL, NULL, 0, NULL );
return(-1);
}
/*Lock the database*/
PR_Lock( db->ldif_lock );
/*Find the entry for comparison*/
if ( (e = (ldif_Entry*) ldif_find_entry( pb, db, dn, &prev )) == NULL ) {
slapi_send_ldap_result( pb, LDAP_NO_SUCH_OBJECT, NULL, NULL, 0, NULL );
PR_Unlock( db->ldif_lock );
return( 1 );
}
/*Check the access*/
rc= slapi_access_allowed( pb, e->lde_e, type, bval, SLAPI_ACL_COMPARE );
if ( rc!=LDAP_SUCCESS ) {
slapi_send_ldap_result( pb, rc, NULL, NULL, 0, NULL );
PR_Unlock( db->ldif_lock );
return( 1 );
}
/*find the attribute*/
if ( slapi_entry_attr_find( e->lde_e, type, &attr ) != 0 ) {
slapi_send_ldap_result( pb, LDAP_NO_SUCH_ATTRIBUTE, NULL, NULL, 0, NULL );
PR_Unlock( db->ldif_lock );
return( 1 );
}
if ( slapi_attr_value_find( attr, bval ) == 0 ) {
slapi_send_ldap_result( pb, LDAP_COMPARE_TRUE, NULL, NULL, 0, NULL );
PR_Unlock( db->ldif_lock );
return( 0 );
}
slapi_send_ldap_result( pb, LDAP_COMPARE_FALSE, NULL, NULL, 0, NULL );
PR_Unlock( db->ldif_lock );
LDAPDebug( LDAP_DEBUG_TRACE, "<= ldif_back_compare\n", 0, 0, 0 );
return( 0 );
}
|
