78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
|
#include "capwap.h"
|
||
|
#include "capwap_element.h"
|
||
|
|
||
|
/********************************************************************
|
||
|
|
||
|
0
|
||
|
0 1 2 3 4 5 6 7
|
||
|
+-+-+-+-+-+-+-+-+
|
||
|
| Transport |
|
||
|
+-+-+-+-+-+-+-+-+
|
||
|
|
||
|
Type: 51 for CAPWAP Transport Protocol
|
||
|
Length: 1
|
||
|
|
||
|
********************************************************************/
|
||
|
|
||
|
struct capwap_transport_raw_element {
|
||
|
char type;
|
||
|
} __attribute__((__packed__));
|
||
|
|
||
|
/* */
|
||
|
struct capwap_message_element* capwap_transport_element_create(void* data, unsigned long datalength) {
|
||
|
struct capwap_message_element* element;
|
||
|
|
||
|
ASSERT(data != NULL);
|
||
|
ASSERT(datalength == sizeof(struct capwap_transport_element));
|
||
|
|
||
|
/* Alloc block of memory */
|
||
|
element = capwap_alloc(sizeof(struct capwap_message_element) + sizeof(struct capwap_transport_raw_element));
|
||
|
if (!element) {
|
||
|
capwap_outofmemory();
|
||
|
}
|
||
|
|
||
|
/* Create message element */
|
||
|
memset(element, 0, sizeof(struct capwap_message_element) + sizeof(struct capwap_transport_raw_element));
|
||
|
element->type = htons(CAPWAP_ELEMENT_TRANSPORT);
|
||
|
element->length = htons(sizeof(struct capwap_transport_raw_element));
|
||
|
|
||
|
((struct capwap_transport_raw_element*)element->data)->type = ((struct capwap_transport_element*)data)->type;
|
||
|
|
||
|
return element;
|
||
|
}
|
||
|
|
||
|
/* */
|
||
|
int capwap_transport_element_validate(struct capwap_message_element* element) {
|
||
|
/* TODO */
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
/* */
|
||
|
void* capwap_transport_element_parsing(struct capwap_message_element* element) {
|
||
|
struct capwap_transport_element* data;
|
||
|
|
||
|
ASSERT(element);
|
||
|
ASSERT(ntohs(element->type) == CAPWAP_ELEMENT_TRANSPORT);
|
||
|
|
||
|
if (ntohs(element->length) != sizeof(struct capwap_transport_raw_element)) {
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
/* */
|
||
|
data = (struct capwap_transport_element*)capwap_alloc(sizeof(struct capwap_transport_element));
|
||
|
if (!data) {
|
||
|
capwap_outofmemory();
|
||
|
}
|
||
|
|
||
|
/* */
|
||
|
data->type = ((struct capwap_transport_raw_element*)element->data)->type;
|
||
|
return data;
|
||
|
}
|
||
|
|
||
|
/* */
|
||
|
void capwap_transport_element_free(void* data) {
|
||
|
ASSERT(data != NULL);
|
||
|
|
||
|
capwap_free(data);
|
||
|
}
|