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authorLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-09-18 18:55:44 +0000
commit3534b428629be185e096be99e3bd5fdfe32d5544 (patch)
tree210ef3198ed66bc7f7b7bf6a85e4579f455e5a36 /src/libstddjb/socket_local46.c
downloadskalibs-3534b428629be185e096be99e3bd5fdfe32d5544.tar.xz
initial commit with rc for skalibs-2.0.0.0
Diffstat (limited to 'src/libstddjb/socket_local46.c')
-rw-r--r--src/libstddjb/socket_local46.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/libstddjb/socket_local46.c b/src/libstddjb/socket_local46.c
new file mode 100644
index 0000000..a53bcac
--- /dev/null
+++ b/src/libstddjb/socket_local46.c
@@ -0,0 +1,36 @@
+/* ISC license. */
+
+#include <skalibs/nonposix.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <skalibs/uint16.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/ip46.h>
+
+#ifdef SKALIBS_IPV6_ENABLED
+
+int socket_local46 (int s, ip46_t_ref ip, uint16 *port)
+{
+ struct sockaddr sa ;
+ socklen_t dummy = sizeof sa ;
+ if (getsockname(s, &sa, &dummy) < 0) return -1 ;
+ if (sa.sa_family == AF_INET6)
+ {
+ register struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)&sa ;
+ byte_copy(ip->ip, 16, sa6->sin6_addr.s6_addr) ;
+ uint16_unpack_big((char *)&sa6->sin6_port, port) ;
+ ip->is6 = 1 ;
+ }
+ else if (sa.sa_family == AF_INET)
+ {
+ register struct sockaddr_in *sa4 = (struct sockaddr_in *)&sa ;
+ byte_copy(ip->ip, 4, &sa4->sin_addr.s_addr) ;
+ uint16_unpack_big((char *)&sa4->sin_port, port) ;
+ ip->is6 = 0 ;
+ }
+ else return (errno = EAFNOSUPPORT, -1) ;
+ return 0 ;
+}
+
+#endif