r2748: implement sldb_Compare()

Simo: this commit should not conflict much with your changes:-)

metze
(This used to be commit 6825e78e01a220bc837ea51aa6afbf3f26a02c49)

diff --git a/source4/ldap_server/ldap_simple_ldb.c b/source4/ldap_server/ldap_simple_ldb.c
index 4d6062cd10c71ca9368ec2c7b42fc3edc42cfff3..d3e516bf28dfa465f5af087f6a581e013a0054cf 100644 (file)
--- a/source4/ldap_server/ldap_simple_ldb.c
+++ b/source4/ldap_server/ldap_simple_ldb.c
@@ -448,11 +448,73 @@ invalid_input:
        return ldapsrv_queue_reply(call, modify_reply);
 }
 
+static NTSTATUS sldb_Compare(struct ldapsrv_partition *partition, struct ldapsrv_call *call,
+                                    struct ldap_CompareRequest *r)
+{
+       struct ldap_Result *compare;
+       struct ldapsrv_reply *compare_r;
+       int result = 80;
+       struct samdb_context *samdb;
+       struct ldb_message **res;
+       struct ldb_context *ldb;
+       const char *attrs[1];
+       const char *errstr;
+       const char *dn;
+       const char *filter;
+       int count;
+
+       samdb = samdb_connect(call);
+       ldb = samdb->ldb;
+       dn = sldb_trim_dn(samdb, r->dn);
+
+       DEBUG(10, ("sldb_Compare: dn: [%s]\n", dn));
+       filter = talloc_asprintf(samdb, "(%s=%*s)", r->attribute, r->value.length, r->value.data);
+       ALLOC_CHECK(filter);
+       DEBUGADD(10, ("sldb_Compare: attribute: [%s]\n", filter));
+
+       attrs[0] = NULL;
+
+       ldb_set_alloc(ldb, talloc_ldb_alloc, samdb);
+       count = ldb_search(ldb, dn, LDB_SCOPE_BASE, filter, attrs, &res);
+
+       compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
+       ALLOC_CHECK(compare_r);
+
+       if (count == 1) {
+               DEBUG(10,("sldb_Compare: matched\n"));
+               result = 0;
+               errstr = NULL;
+       } else if (count == 0) {
+               result = 32;
+               errstr = talloc_strdup(compare_r, ldb_errstring(ldb));
+               DEBUG(10,("sldb_Compare: no results: %s\n", errstr));
+       } else if (count > 1) {
+               result = 80;
+               errstr = talloc_strdup(compare_r, "too many objects match");
+               DEBUG(10,("sldb_Compare: %d results: %s\n", count, errstr));
+       } else if (count == -1) {
+               result = 1;
+               errstr = talloc_strdup(compare_r, ldb_errstring(ldb));
+               DEBUG(10,("sldb_Compare: error: %s\n", errstr));
+       }
+
+       compare = &compare_r->msg.r.CompareResponse;
+       compare->resultcode = result;
+       compare->dn = NULL;
+       compare->errormessage = errstr;
+       compare->referral = NULL;
+
+       talloc_free(samdb);
+
+       return ldapsrv_queue_reply(call, compare_r);
+}
+
 static const struct ldapsrv_partition_ops sldb_ops = {
        .Search         = sldb_Search,
        .Add            = sldb_Add,
        .Del            = sldb_Del,
-       .Modify         = sldb_Modify
+       .Modify         = sldb_Modify,
+       .Compare        = sldb_Compare
 };
 
 const struct ldapsrv_partition_ops *ldapsrv_get_sldb_partition_ops(void)