627a38a556
this prepares the element ops for decoding vendor ies into seperate types. It also makes sense to keep all information about a IE in one place.
73 lines
2.2 KiB
C
73 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 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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| IP Address |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| WTP Count |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Type: 10 for CAPWAP Control IPv4 Address
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Length: 6
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********************************************************************/
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/* */
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static void capwap_controlipv4_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
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struct capwap_controlipv4_element* element = (struct capwap_controlipv4_element*)data;
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ASSERT(data != NULL);
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/* */
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func->write_block(handle, (uint8_t*)&element->address, sizeof(struct in_addr));
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func->write_u16(handle, element->wtpcount);
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}
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/* */
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static void* capwap_controlipv4_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
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struct capwap_controlipv4_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) != 6) {
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capwap_logging_debug("Invalid Control IPv4 Address 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_controlipv4_element*)capwap_alloc(sizeof(struct capwap_controlipv4_element));
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func->read_block(handle, (uint8_t*)&data->address, sizeof(struct in_addr));
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func->read_u16(handle, &data->wtpcount);
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return data;
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}
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/* */
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static void* capwap_controlipv4_element_clone(void* data) {
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ASSERT(data != NULL);
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return capwap_clone(data, sizeof(struct capwap_controlipv4_element));
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}
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/* */
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static void capwap_controlipv4_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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struct capwap_message_elements_ops capwap_element_controlipv4_ops = {
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.category = CAPWAP_MESSAGE_ELEMENT_ARRAY,
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.create = capwap_controlipv4_element_create,
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.parse = capwap_controlipv4_element_parsing,
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.clone = capwap_controlipv4_element_clone,
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.free = capwap_controlipv4_element_free
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};
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