96 lines
2.7 KiB
C
96 lines
2.7 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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| Num of Entries| Length | MAC Address ...
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Type: 17 for Delete MAC ACL Entry
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Length: >= 8
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********************************************************************/
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/* */
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static void capwap_deletemacacl_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
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struct capwap_deletemacacl_element* element = (struct capwap_deletemacacl_element*)data;
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ASSERT(data != NULL);
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func->write_u8(handle, element->entry);
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func->write_u8(handle, element->length);
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func->write_block(handle, element->address, element->entry * element->length);
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}
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/* */
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static void capwap_deletemacacl_element_free(void* data) {
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struct capwap_deletemacacl_element* element = (struct capwap_deletemacacl_element*)data;
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ASSERT(data != NULL);
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if (element->address) {
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capwap_free(element->address);
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}
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capwap_free(element);
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}
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/* */
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static void* capwap_deletemacacl_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
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unsigned short length;
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struct capwap_deletemacacl_element* data;
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ASSERT(handle != NULL);
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ASSERT(func != NULL);
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length = func->read_ready(handle);
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if (length < 8) {
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capwap_logging_debug("Invalid Delete MAC ACL Entry element");
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return NULL;
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}
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length -= 2;
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if ((length % 6) && (length % 8)) {
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capwap_logging_debug("Invalid Delete MAC ACL Entry element");
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return NULL;
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}
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/* */
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data = (struct capwap_deletemacacl_element*)capwap_alloc(sizeof(struct capwap_deletemacacl_element));
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if (!data) {
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capwap_outofmemory();
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}
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/* Retrieve data */
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memset(data, 0, sizeof(struct capwap_deletemacacl_element));
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func->read_u8(handle, &data->entry);
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func->read_u8(handle, &data->length);
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if (length != (data->entry * data->length)) {
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capwap_deletemacacl_element_free((void*)data);
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capwap_logging_debug("Invalid Delete MAC ACL Entry element");
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return NULL;
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}
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data->address = (uint8_t*)capwap_alloc(length);
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if (!data->address) {
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capwap_outofmemory();
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}
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func->read_block(handle, data->address, length);
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return data;
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}
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/* */
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struct capwap_message_elements_ops capwap_element_deletemacacl_ops = {
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.create_message_element = capwap_deletemacacl_element_create,
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.parsing_message_element = capwap_deletemacacl_element_parsing,
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.free_parsed_message_element = capwap_deletemacacl_element_free
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};
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