r12984: add parse code and ldbsearch cmdline code for

NOTIFICATION LDAP Controls
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_notification_oid.asp

this doesn't work yet, but it shows that we need to extend ldb to correctly
handle async requests...

metze
(This used to be commit 1fe6718949)

source4/lib/ldb/include/ldb.h

@@ -374,6 +374,13 @@ typedef int (*ldb_qsort_cmp_fn_t) (const void *, const void *, const void *);
 */
 #define LDB_CONTROL_PAGED_RESULTS_OID	"1.2.840.113556.1.4.319"
 
+/**
+   OID for notification
+
+   \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_notification_oid.asp">Microsoft documentation of this OID</a>
+*/
+#define LDB_CONTROL_NOTIFICATION_OID	"1.2.840.113556.1.4.528"
+
 /**
    OID for extended DN
 

source4/lib/ldb/tools/ldbsearch.c

@@ -216,6 +216,25 @@ static struct ldb_control **parse_controls(void *mem_ctx, char **control_strings
 			continue;
 		}
 
+		if (strncmp(control_strings[i], "notification:", 13) == 0) {
+			const char *p;
+			int crit, ret;
+
+			p = &(control_strings[i][13]);
+			ret = sscanf(p, "%d", &crit);
+			if ((ret != 1) || (crit < 0) || (crit > 1)) {
+				fprintf(stderr, "invalid notification control syntax\n");
+				return NULL;
+			}
+
+			ctrl[i] = talloc(ctrl, struct ldb_control);
+			ctrl[i]->oid = LDB_CONTROL_NOTIFICATION_OID;
+			ctrl[i]->critical = crit;
+			ctrl[i]->data = NULL;
+
+			continue;
+		}
+
 		/* no controls matched, throw an error */
 		fprintf(stderr, "Invalid control name\n");
 		return NULL;

source4/libcli/ldap/ldap_controls.c

@@ -60,7 +60,7 @@ static BOOL decode_server_sort_response(void *mem_ctx, DATA_BLOB in, void **out)
 		if (!asn1_read_OctetString(&data, &attr)) {
 			return False;
 		}
-		lsrc->attr_desc = talloc_strndup(lsrc, attr.data, attr.length);
+		lsrc->attr_desc = talloc_strndup(lsrc, (const char *)attr.data, attr.length);
 		if (!lsrc->attr_desc) {
 			return False;
 		}
@@ -111,7 +111,7 @@ static BOOL decode_server_sort_request(void *mem_ctx, DATA_BLOB in, void **out)
 			return False;
 		}
 
-		lssc[num]->attributeName = talloc_strndup(lssc[num], attr.data, attr.length);
+		lssc[num]->attributeName = talloc_strndup(lssc[num], (const char *)attr.data, attr.length);
 		if (!lssc [num]->attributeName) {
 			return False;
 		}
@@ -120,7 +120,7 @@ static BOOL decode_server_sort_request(void *mem_ctx, DATA_BLOB in, void **out)
 			if (!asn1_read_OctetString(&data, &rule)) {
 				return False;
 			}
-			lssc[num]->orderingRule = talloc_strndup(lssc[num], rule.data, rule.length);
+			lssc[num]->orderingRule = talloc_strndup(lssc[num], (const char *)rule.data, rule.length);
 			if (!lssc[num]->orderingRule) {
 				return False;
 			}
@@ -336,6 +336,15 @@ static BOOL decode_asq_control(void *mem_ctx, DATA_BLOB in, void **out)
 	return True;
 }
 
+static BOOL decode_notification_request(void *mem_ctx, DATA_BLOB in, void **out)
+{
+	if (in.length != 0) {
+		return False;
+	}
+
+	return True;
+}
+
 static BOOL encode_server_sort_response(void *mem_ctx, void *in, DATA_BLOB *out)
 {
 	struct ldb_sort_resp_control *lsrc = talloc_get_type(in, struct ldb_sort_resp_control);
@@ -549,6 +558,16 @@ static BOOL encode_dirsync_request(void *mem_ctx, void *in, DATA_BLOB *out)
 	return True;
 }
 
+static BOOL encode_notification_request(void *mem_ctx, void *in, DATA_BLOB *out)
+{
+	if (in) {
+		return False;
+	}
+
+	*out = data_blob(NULL, 0);
+	return True;
+}
+
 struct control_handler ldap_known_controls[] = {
 	{ "1.2.840.113556.1.4.319", decode_paged_results_request, encode_paged_results_request },
 	{ "1.2.840.113556.1.4.529", decode_extended_dn_request, encode_extended_dn_request },
@@ -556,6 +575,7 @@ struct control_handler ldap_known_controls[] = {
 	{ "1.2.840.113556.1.4.474", decode_server_sort_response, encode_server_sort_response },
 	{ "1.2.840.113556.1.4.1504", decode_asq_control, encode_asq_control },
 	{ "1.2.840.113556.1.4.841", decode_dirsync_request, encode_dirsync_request },
+	{ "1.2.840.113556.1.4.528", decode_notification_request, encode_notification_request },
 	{ NULL, NULL, NULL }
 };