You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#ifndef __MINGW32__
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#include "windoze.h"
|
|
#include "byte.h"
|
|
#include "socket.h"
|
|
#include "ip6.h"
|
|
#include "haveip6.h"
|
|
#include "havesl.h"
|
|
#include "havescope.h"
|
|
|
|
ssize_t socket_recv6(int s,char *buf,size_t len,char ip[16],uint16 *port,uint32 *scope_id)
|
|
{
|
|
#ifdef LIBC_HAS_IP6
|
|
struct sockaddr_in6 si;
|
|
#else
|
|
struct sockaddr_in si;
|
|
#endif
|
|
socklen_t Len = sizeof si;
|
|
ssize_t r;
|
|
|
|
byte_zero(&si,Len);
|
|
if ((r = recvfrom(s,buf,len,0,(struct sockaddr *) &si,&Len))<0) return winsock2errno(-1);
|
|
|
|
#ifdef LIBC_HAS_IP6
|
|
if (noipv6 || si.sin6_family==AF_INET || si.sin6_family==PF_INET) {
|
|
struct sockaddr_in *si4=(struct sockaddr_in *)&si;
|
|
if (ip) {
|
|
byte_copy(ip,12,V4mappedprefix);
|
|
byte_copy(ip+12,4,(char *) &si4->sin_addr);
|
|
}
|
|
if (port) uint16_unpack_big((char *) &si4->sin_port,port);
|
|
return r;
|
|
}
|
|
if (ip) byte_copy(ip,16,(char *) &si.sin6_addr);
|
|
if (port) uint16_unpack_big((char *) &si.sin6_port,port);
|
|
#ifdef LIBC_HAS_SCOPE_ID
|
|
if (scope_id) *scope_id=si.sin6_scope_id;
|
|
#else
|
|
if (scope_id) *scope_id=0;
|
|
#endif
|
|
#else
|
|
if (ip) {
|
|
byte_copy(ip,12,(char *)V4mappedprefix);
|
|
byte_copy(ip+12,4,(char *) &si.sin_addr);
|
|
}
|
|
if (port) uint16_unpack_big((char *) &si.sin_port,port);
|
|
if (scope_id) *scope_id=0;
|
|
#endif
|
|
|
|
return r;
|
|
}
|