First commit

src/common/capwap_element_acipv6list.c

@@ -0,0 +1,109 @@
+#include "capwap.h"
+#include "capwap_element.h"
+
+/********************************************************************
+
+ 0                   1                   2                   3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|                           IP Address                          |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|                           IP Address                          |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|                           IP Address                          |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|                           IP Address                          |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Type:   3 for AC IPV6 List
+Length:   >= 16
+
+********************************************************************/
+
+struct capwap_acipv6list_raw_element {
+	unsigned long address[4];
+} __attribute__((__packed__));
+
+/* */
+struct capwap_message_element* capwap_acipv6list_element_create(void* data, unsigned long datalength) {
+	int i;
+	int items;
+	unsigned short sizeitems;
+	struct capwap_message_element* element;
+	capwap_acipv6list_element_array* dataarray = (capwap_acipv6list_element_array*)data;
+	struct capwap_acipv6list_raw_element* dataraw;
+	
+	ASSERT(data != NULL);
+	ASSERT(datalength == sizeof(capwap_acipv6list_element_array));
+	
+	items = min(dataarray->count, CAPWAP_ACIPV6LIST_MAX_ELEMENTS);
+	
+	/* Alloc block of memory */
+	sizeitems = sizeof(struct capwap_acipv6list_raw_element) * items;
+	element = capwap_alloc(sizeof(struct capwap_message_element) + sizeitems);
+	if (!element) {
+		capwap_outofmemory();
+	}
+
+	/* Create message element */
+	memset(element, 0, sizeof(struct capwap_message_element) + sizeitems);
+	element->type = htons(CAPWAP_ELEMENT_ACIPV6LIST);
+	element->length = htons(sizeitems);
+	
+	dataraw = (struct capwap_acipv6list_raw_element*)element->data;
+	for (i = 0; i < items; i++) {
+		struct capwap_acipv6list_element* dataelement = (struct capwap_acipv6list_element*)capwap_array_get_item_pointer(dataarray, i);
+		memcpy(dataraw->address, dataelement->address.s6_addr32, sizeof(unsigned long) * 4);
+
+		/* Next raw item */
+		dataraw++;		
+	}
+
+	return element;
+}
+
+/* */
+int capwap_acipv6list_element_validate(struct capwap_message_element* element) {
+	/* TODO */
+	return 1;
+}
+
+/* */
+void* capwap_acipv6list_element_parsing(struct capwap_message_element* element) {
+	int i;
+	int items;
+	unsigned short length;
+	capwap_acipv6list_element_array* data;
+	struct capwap_acipv6list_raw_element* dataraw;
+	
+	ASSERT(element);
+	ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_ACIPV6LIST);
+	
+	length = ntohs(element->length);
+	if ((length > 0) && ((length % sizeof(struct capwap_acipv6list_raw_element)) != 0)) {
+		return NULL;
+	}
+
+	/* */
+	items = length / sizeof(struct capwap_acipv6list_raw_element);
+	data = (capwap_acipv6list_element_array*)capwap_array_create(sizeof(struct capwap_acipv6list_element), items);
+
+	/* */
+	dataraw = (struct capwap_acipv6list_raw_element*)element->data;
+	for (i = 0; i < items; i++) {
+		struct capwap_acipv6list_element* dataelement = (struct capwap_acipv6list_element*)capwap_array_get_item_pointer(data, i);
+		memcpy(dataelement->address.s6_addr32, dataraw->address, sizeof(unsigned long) * 4);
+
+		/* Next raw item */
+		dataraw++;		
+	}
+
+	return data;
+}
+
+/* */
+void capwap_acipv6list_element_free(void* data) {
+	ASSERT(data != NULL);
+	
+	capwap_array_free((capwap_acipv6list_element_array*)data);
+}