First commit

src/common/capwap_element_imageidentifier.c

@@ -0,0 +1,93 @@
+#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
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|                       Vendor Identifier                       |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|                             Data...
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+Type:   25 for Image Identifier
+Length:   >= 5
+
+********************************************************************/
+
+struct capwap_imageidentifier_raw_element {
+	unsigned long vendor;
+	char name[0];
+} __attribute__((__packed__));
+
+/* */
+struct capwap_message_element* capwap_imageidentifier_element_create(void* data, unsigned long datalength) {
+	unsigned short namelength;
+	struct capwap_message_element* element;
+	struct capwap_imageidentifier_raw_element* dataraw;
+	struct capwap_imageidentifier_element* dataelement = (struct capwap_imageidentifier_element*)data;
+	
+	ASSERT(data != NULL);
+	ASSERT(datalength == sizeof(struct capwap_imageidentifier_element));
+	
+	/* Alloc block of memory */
+	namelength = strlen(dataelement->name);
+	element = capwap_alloc(sizeof(struct capwap_message_element) + sizeof(struct capwap_imageidentifier_raw_element) + namelength);
+	if (!element) {
+		capwap_outofmemory();
+	}
+
+	/* Create message element */
+	memset(element, 0, sizeof(struct capwap_message_element) + sizeof(struct capwap_imageidentifier_raw_element) + namelength);
+	element->type = htons(CAPWAP_ELEMENT_IMAGEIDENTIFIER);
+	element->length = htons(sizeof(struct capwap_imageidentifier_raw_element) + namelength);
+	
+	dataraw = (struct capwap_imageidentifier_raw_element*)element->data;
+	dataraw->vendor = htonl(dataelement->vendor);
+	memcpy(&dataraw->name[0], &dataelement->name[0], namelength);
+	
+	return element;
+}
+
+/* */
+int capwap_imageidentifier_element_validate(struct capwap_message_element* element) {
+	/* TODO */
+	return 1;
+}
+
+/* */
+void* capwap_imageidentifier_element_parsing(struct capwap_message_element* element) {
+	unsigned short namelength;
+	struct capwap_imageidentifier_element* data;
+	struct capwap_imageidentifier_raw_element* dataraw;
+	
+	ASSERT(element);
+	ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_IMAGEIDENTIFIER);
+
+	namelength = ntohs(element->length) - sizeof(struct capwap_imageidentifier_raw_element);
+	if (!namelength  || (namelength > CAPWAP_IMAGEIDENTIFIER_MAXLENGTH))  {
+		return NULL;
+	}
+
+	/* */
+	dataraw = (struct capwap_imageidentifier_raw_element*)element->data;
+	data = (struct capwap_imageidentifier_element*)capwap_alloc(sizeof(struct capwap_imageidentifier_element));
+	if (!data) {
+		capwap_outofmemory();
+	}
+
+	/* */
+	data->vendor = ntohl(dataraw->vendor);
+	memcpy(&data->name[0], &dataraw->name[0], namelength);
+	data->name[namelength] = 0;
+	
+	return data;
+}
+
+/* */
+void capwap_imageidentifier_element_free(void* data) {
+	ASSERT(data != NULL);
+	
+	capwap_free(data);
+}