ipv6.h File Reference

IPv6 definitions for systems which do not support IPv6. More...

#include <isc/int.h>
#include <isc/platform.h>

Go to the source code of this file.

Data Structures
struct	in6_addr
struct	sockaddr_in6
Defines
#define	ISC_IPV6_H   1
#define	LWRES_IPV6_H   1
#define	s6_addr   _S6_un._S6_u8
#define	s6_addr8   _S6_un._S6_u8
#define	s6_addr16   _S6_un._S6_u16
#define	s6_addr32   _S6_un._S6_u32
#define	IN6ADDR_ANY_INIT   {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}}
#define	IN6ADDR_LOOPBACK_INIT   {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }}}
#define	IN6_IS_ADDR_UNSPECIFIED(a)
	Unspecified.
#define	IN6_IS_ADDR_LOOPBACK(a)
	Loopback.
#define	IN6_IS_ADDR_V4COMPAT(a)
	IPv4 compatible.
#define	IN6_IS_ADDR_V4MAPPED(a)
	Mapped.
#define	IN6_IS_ADDR_MULTICAST(a)   ((a)->s6_addr8[0] == 0xffU)
	Multicast.
#define	IN6_IS_ADDR_LINKLOCAL(a)   (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
	Unicast link / site local.
#define	IN6_IS_ADDR_SITELOCAL(a)   (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
Variables
LIBISC_EXTERNAL_DATA struct in6_addr	in6addr_any
LIBISC_EXTERNAL_DATA struct in6_addr	in6addr_loopback

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Detailed Description

IPv6 definitions for systems which do not support IPv6.

• MP: No impact.

• Reliability: No anticipated impact.

• Resources: N/A.

• Security: No anticipated impact.

• Standards: RFC2553.

Definition in file ipv6.h.

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Define Documentation

#define ISC_IPV6_H   1

Definition at line 21 of file ipv6.h.

#define LWRES_IPV6_H   1

Also define LWRES_IPV6_H to keep it from being included if liblwres is being used, or redefinition errors will occur.

Definition at line 27 of file ipv6.h.

#define s6_addr   _S6_un._S6_u8

Definition at line 70 of file ipv6.h.

#define s6_addr8   _S6_un._S6_u8

Definition at line 71 of file ipv6.h.

#define s6_addr16   _S6_un._S6_u16

Definition at line 72 of file ipv6.h.

#define s6_addr32   _S6_un._S6_u32

Definition at line 73 of file ipv6.h.

#define IN6ADDR_ANY_INIT   {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}}

Definition at line 75 of file ipv6.h.

#define IN6ADDR_LOOPBACK_INIT   {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }}}

Definition at line 76 of file ipv6.h.

#define IN6_IS_ADDR_UNSPECIFIED

(

a

)

Value:

(((a)->s6_addr32[0] == 0) &&    \
         ((a)->s6_addr32[1] == 0) &&    \
         ((a)->s6_addr32[2] == 0) &&    \
         ((a)->s6_addr32[3] == 0))

Unspecified.

Definition at line 101 of file ipv6.h.

#define IN6_IS_ADDR_LOOPBACK

(

a

)

Value:

(((a)->s6_addr32[0] == 0) &&    \
         ((a)->s6_addr32[1] == 0) &&    \
         ((a)->s6_addr32[2] == 0) &&    \
         ((a)->s6_addr32[3] == htonl(1)))

Loopback.

Definition at line 110 of file ipv6.h.

Referenced by is_insecure().

#define IN6_IS_ADDR_V4COMPAT

(

a

)

Value:

(((a)->s6_addr32[0] == 0) &&    \
         ((a)->s6_addr32[1] == 0) &&    \
         ((a)->s6_addr32[2] == 0) &&    \
         ((a)->s6_addr32[3] != 0) &&    \
         ((a)->s6_addr32[3] != htonl(1)))

IPv4 compatible.

Definition at line 119 of file ipv6.h.

Referenced by possibly_mark().

#define IN6_IS_ADDR_V4MAPPED

(

a

)

Value:

(((a)->s6_addr32[0] == 0) &&          \
         ((a)->s6_addr32[1] == 0) &&          \
         ((a)->s6_addr32[2] == htonl(0x0000ffff)))

Mapped.

Definition at line 129 of file ipv6.h.

Referenced by dns_acl_match2(), dns_zone_notifyreceive(), isc_netaddr_fromv4mapped(), isc_sockaddr_hash(), notify_send_toaddr(), and possibly_mark().

#define IN6_IS_ADDR_MULTICAST

(

a

)

((a)->s6_addr8[0] == 0xffU)

Multicast.

Definition at line 137 of file ipv6.h.

Referenced by isc_netaddr_ismulticast(), and process_cmsg().

#define IN6_IS_ADDR_LINKLOCAL

(

a

)

(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))

Unicast link / site local.

Definition at line 143 of file ipv6.h.

Referenced by client_request(), get_addr(), isc_netaddr_islinklocal(), and isc_netscope_pton().

#define IN6_IS_ADDR_SITELOCAL

(

a

)

(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))

Definition at line 145 of file ipv6.h.

Referenced by isc_netaddr_issitelocal().

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Variable Documentation

LIBISC_EXTERNAL_DATA struct in6_addr in6addr_any

Definition at line 26 of file ipv6.c.

Referenced by do_scan(), internal_current4(), isc_netaddr_any6(), and isc_sockaddr_any6().

LIBISC_EXTERNAL_DATA struct in6_addr in6addr_loopback

Definition at line 27 of file ipv6.c.

Referenced by ns_controls_configure().

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