#ifndef NTP_NET_H
#define NTP_NET_H
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include "ntp_rfc2553.h"
typedef union {
struct sockaddr sa;
struct sockaddr_storage sas;
struct sockaddr_in sa4;
struct sockaddr_in6 sa6;
} sockaddr_u;
#define SOCK_ADDR4(psau) ((psau)->sa4.sin_addr)
#define SOCK_ADDR6(psau) ((psau)->sa6.sin6_addr)
#define PSOCK_ADDR4(psau) (&SOCK_ADDR4(psau))
#define PSOCK_ADDR6(psau) (&SOCK_ADDR6(psau))
#define AF(psau) ((psau)->sas.ss_family)
#define IS_IPV4(psau) (AF_INET == AF(psau))
#define IS_IPV6(psau) (AF_INET6 == AF(psau))
#define NSRCADR(psau) (SOCK_ADDR4(psau).s_addr)
#define SRCADR(psau) (ntohl(NSRCADR(psau)))
#define NSRCADR6(psau) (SOCK_ADDR6(psau).s6_addr)
#define SET_ADDR4(psau, addr4) (NSRCADR(psau) = htonl(addr4))
#define SET_ADDR4N(psau, addr4n) (NSRCADR(psau) = (addr4n));
#define SET_ADDR6N(psau, s6_addr) \
(SOCK_ADDR6(psau) = (s6_addr))
#define NSRCPORT(psau) ((psau)->sa4.sin_port)
#define SRCPORT(psau) (ntohs(NSRCPORT(psau)))
#define SET_PORT(psau, port) (NSRCPORT(psau) = htons(port))
#define SCOPE_VAR(psau) ((psau)->sa6.sin6_scope_id)
#ifdef ISC_PLATFORM_HAVESCOPEID
# define SCOPE(psau) (IS_IPV4(psau) \
? 0 \
: SCOPE_VAR(psau))
# define SCOPE_EQ(psau1, psau2) \
(SCOPE_VAR(psau1) == SCOPE_VAR(psau2))
# define SET_SCOPE(psau, s) \
do \
if (IS_IPV6(psau)) \
SCOPE_VAR(psau) = (s); \
while (0)
#else
# define SCOPE(psau) (0)
# define SCOPE_EQ(psau1, psau2) (1)
# define SET_SCOPE(psau, s) do { } while (0)
#endif
#define IS_MCAST(psau) \
(IS_IPV4(psau) \
? IN_CLASSD(SRCADR(psau)) \
: IN6_IS_ADDR_MULTICAST(PSOCK_ADDR6(psau)))
#define SIZEOF_SOCKADDR(fam) \
((AF_INET == (fam)) \
? sizeof(struct sockaddr_in) \
: sizeof(struct sockaddr_in6))
#define SOCKLEN(psau) \
(IS_IPV4(psau) \
? sizeof((psau)->sa4) \
: sizeof((psau)->sa6))
#define ZERO_SOCK(psau) \
memset(&(psau)->sas, 0, sizeof((psau)->sas))
#define MEMSET_ADDR6(psau, v) \
memset((void *)(psau)->sa6.sin6_addr.s6_addr, (v), \
sizeof((psau)->sa6.sin6_addr.s6_addr))
#define SET_ONESMASK(psau) \
do { \
if (IS_IPV6(psau)) \
MEMSET_ADDR6((psau), 0xff); \
else \
NSRCADR(psau) = 0xffffffff; \
} while(0)
#define SET_HOSTMASK(psau, family) \
do { \
ZERO_SOCK(psau); \
AF(psau) = (family); \
SET_ONESMASK(psau); \
} while (0)
#if !defined(SYS_WINNT) || !defined(in_addr6)
#define S_ADDR6_EQ(psau, my_in6_addr) \
(!memcmp(&(psau)->sa6.sin6_addr, \
(my_in6_addr), \
sizeof((psau)->sa6.sin6_addr)))
#else
#define S_ADDR6_EQ(psau, my_in6_addr) \
IN6_ADDR_EQUAL(&(psau)->sa6.sin6_addr, \
(my_in6_addr))
#endif
#define SOCK_EQ(psau1, psau2) \
((AF(psau1) != AF(psau2)) \
? 0 \
: IS_IPV4(psau1) \
? (NSRCADR(psau1) == NSRCADR(psau2)) \
: (S_ADDR6_EQ((psau1), PSOCK_ADDR6(psau2)) \
&& SCOPE_EQ((psau1), (psau2))))
#define SOCK_UNSPEC(psau) \
(IS_IPV4(psau) \
? !NSRCADR(psau) \
: IN6_IS_ADDR_UNSPECIFIED(PSOCK_ADDR6(psau)))
#define SOCK_UNSPEC_S(psau) \
(SOCK_UNSPEC(psau) && !SCOPE(psau))
#define ANY_INTERFACE_BYFAM(family) \
((AF_INET == family) \
? any_interface \
: any6_interface)
#define ANY_INTERFACE_CHOOSE(psau) \
ANY_INTERFACE_BYFAM(AF(psau))
#define REFCLOCK_ADDR 0x7f7f0000
#define REFCLOCK_MASK 0xffff0000
#ifdef REFCLOCK
#define ISREFCLOCKADR(srcadr) \
(IS_IPV4(srcadr) && \
(SRCADR(srcadr) & REFCLOCK_MASK) == REFCLOCK_ADDR)
#else
#define ISREFCLOCKADR(srcadr) (0)
#endif
#define LOOPBACKADR 0x7f000001
#define LOOPNETMASK 0xff000000
#define ISBADADR(srcadr) \
(IS_IPV4(srcadr) \
&& ((SRCADR(srcadr) & LOOPNETMASK) \
== (LOOPBACKADR & LOOPNETMASK)) \
&& SRCADR(srcadr) != LOOPBACKADR)
#endif