From 249866e3d1e11dc72eaa1305f4bb479ded92ef38 Mon Sep 17 00:00:00 2001 From: Jannis Hoffmann Date: Tue, 9 Jul 2024 13:58:20 +0200 Subject: reorganized file structure Moved c files into src/. Corrected VERSION file. Removed BUILD and FILES. --- src/socket_info.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 src/socket_info.c (limited to 'src/socket_info.c') diff --git a/src/socket_info.c b/src/socket_info.c new file mode 100644 index 0000000..e644798 --- /dev/null +++ b/src/socket_info.c @@ -0,0 +1,58 @@ +#include +#include +#include +#include +#include "byte.h" +#include "socket_if.h" +#include "ip.h" + +/** + @file socket_info.c + @author djb, fefe, feh + @source ucspi-tcp6 + @brief querying local and remote info for socket +*/ + +int socket_local(int s,char ip[16],uint16 *port,uint32 *scope_id) +{ + struct sockaddr_in6 sa; + unsigned int dummy = sizeof(sa); + + if (getsockname(s,(struct sockaddr *)&sa,&dummy) == -1) return -1; + + if (sa.sin6_family == AF_INET) { + 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); + if (scope_id) *scope_id = 0; + } else { + 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; + } + + return 0; +} + +int socket_remote(int s,char ip[16],uint16 *port,uint32 *scope_id) +{ + struct sockaddr_in6 sa; + unsigned int dummy = sizeof(sa); + + if (getpeername(s,(struct sockaddr *)&sa,&dummy) == -1) return -1; + + if (sa.sin6_family == AF_INET) { + 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); + *scope_id = 0; + } else { + byte_copy(ip,16,(char *)&sa.sin6_addr); + uint16_unpack_big((char *)&sa.sin6_port,port); + *scope_id = sa.sin6_scope_id; + } + + return 0; +} -- cgit v1.2.3