Add ACL group code.

servers/slapd/back-ldbm/group.c

+/* compare.c - ldbm backend compare routine */
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include "slap.h"
+#include "back-ldbm.h"
+
+extern Entry            *dn2entry();
+extern Attribute        *attr_find();
+
+
+#ifdef ACLGROUP
+/* return 0 IFF edn is a value in uniqueMember attribute
+ * of entry with bdn AND that entry has an objectClass
+ * value of groupOfUniqueNames
+ */
+int
+ldbm_back_group(
+	Backend     *be,
+        char        *bdn,
+        char        *edn
+)
+{
+        struct ldbminfo *li = (struct ldbminfo *) be->be_private;    
+        Entry        *e;
+        char        *matched;
+        Attribute   *objectClass;
+        Attribute   *uniqueMember;
+        int          rc;
+
+	Debug( LDAP_DEBUG_TRACE, "ldbm_back_group: bdn: %s\n", bdn, 0, 0 ); 
+	Debug( LDAP_DEBUG_TRACE, "ldbm_back_group: edn: %s\n", edn, 0, 0 ); 
+
+        /* can we find bdn entry */
+        if ((e = dn2entry(be, bdn, &matched )) == NULL) {
+                Debug( LDAP_DEBUG_TRACE, "ldbm_back_group: cannot find bdn: %s matched: %x\n", bdn, matched, 0 ); 
+                if (matched != NULL)
+                        free(matched);
+                return( 1 );
+        }
+        Debug( LDAP_DEBUG_ARGS, "ldbm_back_group: found bdn: %s matched: %x\n", bdn, matched, 0 ); 
+
+
+        /* find it's objectClass and uniqueMember attribute values
+         * make sure this is a group entry
+         * finally test if we can find edn in the uniqueMember attribute value list *
+         */
+        
+        rc = 1;
+        if ((objectClass = attr_find(e->e_attrs, "objectclass")) == NULL)  {
+            Debug( LDAP_DEBUG_TRACE, "ldbm_back_group: failed to find objectClass\n", 0, 0, 0 ); 
+        }
+        else if ((uniqueMember = attr_find(e->e_attrs, "uniquemember")) == NULL) {
+            Debug( LDAP_DEBUG_TRACE, "ldbm_back_group: failed to find uniqueMember\n", 0, 0, 0 ); 
+        }
+        else {
+            struct berval bvObjectClass;
+            struct berval bvUniqueMembers;
+
+            Debug( LDAP_DEBUG_ARGS, "ldbm_back_group: found objectClass and uniqueMembers\n", 0, 0, 0 ); 
+
+            bvObjectClass.bv_val = "groupofuniquenames";
+            bvObjectClass.bv_len = strlen( bvObjectClass.bv_val );         
+            bvUniqueMembers.bv_val = edn;
+            bvUniqueMembers.bv_len = strlen( edn );         
+
+            if (value_find(objectClass->a_vals, &bvObjectClass, SYNTAX_CIS, 1) != 0) {
+                Debug( LDAP_DEBUG_TRACE, "ldbm_back_group: failed to find objectClass in groupOfUniqueNames\n", 
+                        0, 0, 0 ); 
+            }
+            else if (value_find(uniqueMember->a_vals, &bvUniqueMembers, SYNTAX_CIS, 1) != 0) {
+                Debug( LDAP_DEBUG_ACL, "ldbm_back_group: %s not in %s: groupOfUniqueNames\n", 
+                        edn, bdn, 0 ); 
+            }
+            else {
+                Debug( LDAP_DEBUG_ACL, "ldbm_back_group: %s is in %s: groupOfUniqueNames\n", 
+                        edn, bdn, 0 ); 
+                rc = 0;
+            }
+        }
+
+        /* free e */
+        cache_return_entry( &li->li_cache, e );                 
+        Debug( LDAP_DEBUG_ARGS, "ldbm_back_group: rc: %d\n", rc, 0, 0 ); 
+        return(rc);
+}
+#endif
+