87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
#include "capwap.h"
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#include "capwap_element.h"
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/********************************************************************
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0
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0 1 2 3 4 5 6 7
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+-+-+-+-+-+-+-+-+
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| Location ...
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+-+-+-+-+-+-+-+-+
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Type: 28 for Location Data
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Length: >= 1
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********************************************************************/
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struct capwap_location_raw_element {
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char value[0];
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} __attribute__((__packed__));
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/* */
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struct capwap_message_element* capwap_location_element_create(void* data, unsigned long datalength) {
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unsigned short namelength;
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struct capwap_message_element* element;
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struct capwap_location_raw_element* dataraw;
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struct capwap_location_element* dataelement = (struct capwap_location_element*)data;
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ASSERT(data != NULL);
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ASSERT(datalength >= sizeof(struct capwap_location_element));
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/* Alloc block of memory */
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namelength = strlen(dataelement->value);
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element = capwap_alloc(sizeof(struct capwap_message_element) + namelength);
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if (!element) {
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capwap_outofmemory();
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}
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/* Create message element */
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memset(element, 0, sizeof(struct capwap_message_element) + namelength);
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element->type = htons(CAPWAP_ELEMENT_LOCATION);
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element->length = htons(namelength);
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dataraw = (struct capwap_location_raw_element*)element->data;
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memcpy(&dataraw->value[0], &dataelement->value[0], namelength);
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return element;
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}
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/* */
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int capwap_location_element_validate(struct capwap_message_element* element) {
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/* TODO */
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return 1;
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}
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/* */
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void* capwap_location_element_parsing(struct capwap_message_element* element) {
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unsigned short namelength;
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struct capwap_location_element* data;
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struct capwap_location_raw_element* dataraw;
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ASSERT(element);
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ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_LOCATION);
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namelength = ntohs(element->length);
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if (!namelength || (namelength > CAPWAP_LOCATION_MAXLENGTH)) {
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return NULL;
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}
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/* */
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dataraw = (struct capwap_location_raw_element*)element->data;
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data = (struct capwap_location_element*)capwap_alloc(sizeof(struct capwap_location_element));
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if (!data) {
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capwap_outofmemory();
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}
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/* */
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memcpy(&data->value[0], &dataraw->value[0], namelength);
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data->value[namelength] = 0;
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return data;
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}
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/* */
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void capwap_location_element_free(void* data) {
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ASSERT(data != NULL);
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capwap_free(data);
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}
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