freewtp/lib/element_wtpname.c
2016-08-23 08:55:15 +02:00

89 lines
2.2 KiB
C

#include "capwap.h"
#include "element.h"
/********************************************************************
0
0 1 2 3 4 5 6 7
+-+-+-+-+-+-+-+-+
| Name ...
+-+-+-+-+-+-+-+-+
Type: 45 for WTP Name
Length: >= 1
********************************************************************/
/* */
static void capwap_wtpname_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
int length;
struct capwap_wtpname_element* element = (struct capwap_wtpname_element*)data;
ASSERT(data != NULL);
length = strlen((char*)element->name);
ASSERT(length > 0);
func->write_block(handle, element->name, length);
}
/* */
static void* capwap_wtpname_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
unsigned short length;
struct capwap_wtpname_element* data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
length = func->read_ready(handle);
if ((length < 1) || (length > CAPWAP_WTPNAME_MAXLENGTH)) {
log_printf(LOG_DEBUG, "Invalid WTP Name element: underbuffer");
return NULL;
}
/* Retrieve data */
data = (struct capwap_wtpname_element*)capwap_alloc(sizeof(struct capwap_wtpname_element));
data->name = (uint8_t*)capwap_alloc(length + 1);
func->read_block(handle, data->name, length);
data->name[length] = 0;
return data;
}
/* */
static void* capwap_wtpname_element_clone(void* data) {
struct capwap_wtpname_element* cloneelement;
ASSERT(data != NULL);
cloneelement = capwap_clone(data, sizeof(struct capwap_wtpname_element));
if (cloneelement->name) {
cloneelement->name = (uint8_t*)capwap_duplicate_string((char*)((struct capwap_wtpname_element*)data)->name);
}
return cloneelement;
}
/* */
static void capwap_wtpname_element_free(void* data) {
struct capwap_wtpname_element* element = (struct capwap_wtpname_element*)data;
ASSERT(data != NULL);
if (element->name) {
capwap_free(element->name);
}
capwap_free(data);
}
/* */
const struct capwap_message_elements_ops capwap_element_wtpname_ops = {
.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
.create = capwap_wtpname_element_create,
.parse = capwap_wtpname_element_parsing,
.clone = capwap_wtpname_element_clone,
.free = capwap_wtpname_element_free
};