Fixed som IPv4 related bugs.

FossilOrigin-Name: 17506df7d5864c624b7357667e6e5868ea03094260ed7eeaa9b850f11b59d6b4
This commit is contained in:
7u83@mail.ru 2016-03-06 15:45:56 +00:00
parent 38665bbcc2
commit ec5db6a61a
1 changed files with 50 additions and 21 deletions

View File

@ -16,6 +16,12 @@
*/
/**
* @file
* @brief Implementation output handler of capwap cw_out_local_ip_address
*/
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
@ -29,43 +35,66 @@
#include "capwap.h"
#include "conn.h"
int cw_out_capwap_local_ip_address(struct conn *conn, struct cw_action_out *action, uint8_t * dst)
/**
* Output handler for Capwap Local IP Address message element.
*
* @param conn Connection object
* @param action Pointer to action which called this handler
* @param dst Destination buffer
*
* This handler determines the IP address from #conn->sock.
* It can deal both with IPv4 and IPv6 sockets.
*
*/
int cw_out_capwap_local_ip_address(struct conn *conn, struct cw_action_out *action,
uint8_t * dst)
{
struct sockaddr_storage a;
socklen_t alen = sizeof(struct sockaddr_storage);
getsockname (conn->sock,(struct sockaddr *)&a,&alen);
struct sockaddr_storage a;
socklen_t alen = sizeof(struct sockaddr_storage);
int rc = getsockname(conn->sock, (struct sockaddr *) &a, &alen);
if (rc != 0){
cw_log(LOG_ERR,"Can't determine sock IP address - %s\n",strerror(errno));
return 0;
}
switch (((struct sockaddr*)&a)->sa_family){
int id;
switch (((struct sockaddr *) &a)->sa_family) {
case AF_INET:
{
struct sockaddr_in * sain = (struct sockaddr_in*)&a;
int id;
if (conn->capwap_mode == CW_MODE_CISCO)
id = CW_ELEM_WTP_IPV4_IP_ADDRESS;
struct sockaddr_in *sain = (struct sockaddr_in *) &a;
id = CW_ELEM_CAPWAP_LOCAL_IPV4_ADDRESS;
/* if (conn->capwap_mode == CW_MODE_CISCO)
id = CW_ELEM_WTP_IPV4_IP_ADDRESS;
else
id = CW_ELEM_CAPWAP_LOCAL_IPV4_ADDRESS;
cw_put_data(dst+4,(uint8_t*)&sain->sin_addr,4);
return 4+cw_put_elem_hdr(dst,id,4);
*/
cw_put_data(dst + 4, (uint8_t *) & sain->sin_addr, 4);
return 4 + cw_put_elem_hdr(dst, id, 4);
}
case AF_INET6:
{
int id;
if (conn->capwap_mode == CW_MODE_CISCO)
id = CW_ELEM_WTP_IPV6_IP_ADDRESS;
id = CW_ELEM_CAPWAP_LOCAL_IPV6_ADDRESS;
/* if (conn->capwap_mode == CW_MODE_CISCO)
id = CW_ELEM_WTP_IPV6_IP_ADDRESS;
else
id = CW_ELEM_CAPWAP_LOCAL_IPV6_ADDRESS;
struct sockaddr_in6 * sain = (struct sockaddr_in6*)&a;
cw_put_data(dst,(uint8_t*)&sain->sin6_addr,16);
return 16+cw_put_elem_hdr(dst,id,16);
*/
struct sockaddr_in6 *sain = (struct sockaddr_in6 *) &a;
cw_put_data(dst + 4, (uint8_t *) & sain->sin6_addr, 16);
return 16 + cw_put_elem_hdr(dst, id, 16);
}
}
cw_log(DBG_MSG_ERR, "Can't determine CAPWAP Local IP Adress");
return 0;
}