freewtp/src/common/capwap_element_sessionid.c

100 lines
2.8 KiB
C
Raw Normal View History

2013-05-01 14:52:55 +02:00
#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
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Session ID |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Session ID |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Session ID |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Session ID |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type: 35 for Session ID
Length: 16
********************************************************************/
/* */
void capwap_sessionid_generate(struct capwap_sessionid_element* session) {
int i;
ASSERT(session != NULL);
for (i = 0; i < 16; i++) {
session->id[i] = (uint8_t)capwap_get_rand(256);
}
}
2013-05-01 14:52:55 +02:00
/* */
void capwap_sessionid_printf(struct capwap_sessionid_element* session, char* string) {
int i;
char* pos = string;
ASSERT(session != NULL);
ASSERT(string != NULL);
for (i = 0; i < 16; i++) {
sprintf(pos, "%02x", session->id[i]);
pos += 2;
2013-05-01 14:52:55 +02:00
}
*pos = 0;
2013-05-01 14:52:55 +02:00
}
/* */
static void capwap_sessionid_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
struct capwap_sessionid_element* element = (struct capwap_sessionid_element*)data;
ASSERT(data != NULL);
func->write_block(handle, element->id, 16);
2013-05-01 14:52:55 +02:00
}
/* */
static void* capwap_sessionid_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
2013-05-01 14:52:55 +02:00
struct capwap_sessionid_element* data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
if (func->read_ready(handle) != 16) {
capwap_logging_debug("Invalid Session ID element: underbuffer");
2013-05-01 14:52:55 +02:00
return NULL;
}
/* Retrieve data */
data = (struct capwap_sessionid_element*)capwap_alloc(sizeof(struct capwap_sessionid_element));
func->read_block(handle, data->id, 16);
2013-05-01 14:52:55 +02:00
return data;
}
2013-10-01 16:39:27 +02:00
/* */
static void* capwap_sessionid_element_clone(void* data) {
ASSERT(data != NULL);
return capwap_clone(data, sizeof(struct capwap_sessionid_element));
}
2013-05-01 14:52:55 +02:00
/* */
static void capwap_sessionid_element_free(void* data) {
2013-05-01 14:52:55 +02:00
ASSERT(data != NULL);
capwap_free(data);
}
/* */
struct capwap_message_elements_ops capwap_element_sessionid_ops = {
.create_message_element = capwap_sessionid_element_create,
.parsing_message_element = capwap_sessionid_element_parsing,
2013-10-01 16:39:27 +02:00
.clone_message_element = capwap_sessionid_element_clone,
.free_message_element = capwap_sessionid_element_free
};