101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
#include "capwap.h"
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#include "element.h"
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/********************************************************************
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0 1 2 3
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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
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Session ID |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Session ID |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Session ID |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Session ID |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Type: 35 for Session ID
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Length: 16
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********************************************************************/
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/* */
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void capwap_sessionid_generate(struct capwap_sessionid_element* session) {
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int i;
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ASSERT(session != NULL);
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for (i = 0; i < 16; i++) {
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session->id[i] = (uint8_t)capwap_get_rand(256);
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}
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}
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/* */
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void capwap_sessionid_printf(struct capwap_sessionid_element* session, char* string) {
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int i;
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char* pos = string;
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ASSERT(session != NULL);
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ASSERT(string != NULL);
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for (i = 0; i < 16; i++) {
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sprintf(pos, "%02x", session->id[i]);
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pos += 2;
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}
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*pos = 0;
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}
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/* */
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static void capwap_sessionid_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
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struct capwap_sessionid_element* element = (struct capwap_sessionid_element*)data;
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ASSERT(data != NULL);
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func->write_block(handle, element->id, 16);
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}
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/* */
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static void* capwap_sessionid_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
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struct capwap_sessionid_element* data;
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ASSERT(handle != NULL);
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ASSERT(func != NULL);
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if (func->read_ready(handle) != 16) {
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log_printf(LOG_DEBUG, "Invalid Session ID element: underbuffer");
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return NULL;
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}
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/* Retrieve data */
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data = (struct capwap_sessionid_element*)capwap_alloc(sizeof(struct capwap_sessionid_element));
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func->read_block(handle, data->id, 16);
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return data;
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}
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/* */
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static void* capwap_sessionid_element_clone(void* data) {
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ASSERT(data != NULL);
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return capwap_clone(data, sizeof(struct capwap_sessionid_element));
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}
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/* */
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static void capwap_sessionid_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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/* */
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const struct capwap_message_elements_ops capwap_element_sessionid_ops = {
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.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
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.create = capwap_sessionid_element_create,
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.parse = capwap_sessionid_element_parsing,
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.clone = capwap_sessionid_element_clone,
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.free = capwap_sessionid_element_free
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};
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