From ef6722750b4518fcb29bf983755b5f02451ef224 Mon Sep 17 00:00:00 2001 From: John Denker Date: Tue, 31 Jul 2012 22:34:58 -0700 Subject: a bunch of files added by the ipv6 patch --- ucspi-tcp-0.88/socket_recv6.c | 44 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 ucspi-tcp-0.88/socket_recv6.c (limited to 'ucspi-tcp-0.88/socket_recv6.c') diff --git a/ucspi-tcp-0.88/socket_recv6.c b/ucspi-tcp-0.88/socket_recv6.c new file mode 100644 index 0000000..a86ca96 --- /dev/null +++ b/ucspi-tcp-0.88/socket_recv6.c @@ -0,0 +1,44 @@ +#include +#include +#include +#include +#include "byte.h" +#include "socket.h" +#include "ip6.h" +#include "haveip6.h" +#include "error.h" + +int socket_recv6(int s,char *buf,unsigned int len,char ip[16],uint16 *port,uint32 *scope_id) +{ +#ifdef LIBC_HAS_IP6 + struct sockaddr_in6 sa; +#else + struct sockaddr_in sa; +#endif + unsigned int dummy = sizeof sa; + int r; + + byte_zero(&sa,dummy); + r = recvfrom(s,buf,len,0,(struct sockaddr *) &sa,&dummy); + if (r == -1) return -1; + +#ifdef LIBC_HAS_IP6 + if (noipv6) { + struct sockaddr_in *sa4=(struct sockaddr_in *)&sa; + byte_copy(ip,12,V4mappedprefix); + byte_copy(ip+12,4,(char *) &sa4->sin_addr); + uint16_unpack_big((char *) &sa4->sin_port,port); + return r; + } + byte_copy(ip,16,(char *) &sa.sin6_addr); + uint16_unpack_big((char *) &sa.sin6_port,port); + if (scope_id) *scope_id=sa.sin6_scope_id; +#else + byte_copy(ip,12,(char *)V4mappedprefix); + byte_copy(ip+12,4,(char *) &sa.sin_addr); + uint16_unpack_big((char *) &sa.sin_port,port); + if (scope_id) *scope_id=0; +#endif + + return r; +} -- cgit v1.2.3