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https://gitlab.isc.org/isc-projects/bind9
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ipv6 cleanup and reorganization of header information
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@@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: ipv6.h,v 1.9 2001/07/17 20:29:33 gson Exp $ */
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/* $Id: ipv6.h,v 1.10 2002/08/01 03:56:08 mayer Exp $ */
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#ifndef ISC_IPV6_H
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#define ISC_IPV6_H 1
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@@ -25,17 +25,24 @@
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*****/
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/*
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* This file defines additional information necessary for IP v6 support
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* IPv6 definitions for systems which do not support IPv6.
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*
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* MP:
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* No impact.
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*
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* Reliability:
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* No anticipated impact.
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*
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* Resources:
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* N/A.
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*
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* Security:
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* No anticipated impact.
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*
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* Standards:
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* RFC 2553.
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*/
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#ifndef AF_INET6
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#define AF_INET6 99
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#endif
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#ifndef PF_INET6
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#define PF_INET6 AF_INET6
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#endif
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#define s6_addr8 s6_addr
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#define in6_addr in_addr6
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@@ -45,52 +52,45 @@
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LIBISC_EXTERNAL_DATA extern const struct in_addr6 in6addr_any;
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LIBISC_EXTERNAL_DATA extern const struct in_addr6 in6addr_loopback;
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#ifndef ISC_PLATFORM_HAVEIN6PKTINFO
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struct in6_pktinfo {
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struct in6_addr ipi6_addr; /* src/dst IPv6 address */
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unsigned int ipi6_ifindex; /* send/recv interface index */
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};
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#endif
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/*
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* Unspecified
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*/
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#define IN6_IS_ADDR_UNSPECIFIED(x) \
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*((u_long *)((x)->s6_addr) ) == 0 && \
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*((u_long *)((x)->s6_addr) + 1) == 0 && \
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*((u_long *)((x)->s6_addr) + 2) == 0 && \
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*((u_long *)((x)->s6_addr) + 3) == 1 \
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#define IN6_IS_ADDR_UNSPECIFIED(a) \
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*((u_long *)((a)->s6_addr) ) == 0 && \
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*((u_long *)((a)->s6_addr) + 1) == 0 && \
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*((u_long *)((a)->s6_addr) + 2) == 0 && \
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*((u_long *)((a)->s6_addr) + 3) == 0 \
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)
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/*
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* Loopback
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*/
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#define IN6_IS_ADDR_LOOPBACK(x) (\
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*((u_long *)((x)->s6_addr) ) == 0 && \
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*((u_long *)((x)->s6_addr) + 1) == 0 && \
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*((u_long *)((x)->s6_addr) + 2) == 0 && \
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*((u_long *)((x)->s6_addr) + 3) == 1 \
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#define IN6_IS_ADDR_LOOPBACK(a) (\
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*((u_long *)((a)->s6_addr) ) == 0 && \
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*((u_long *)((a)->s6_addr) + 1) == 0 && \
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*((u_long *)((a)->s6_addr) + 2) == 0 && \
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*((u_long *)((a)->s6_addr) + 3) == htonl(1) \
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)
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/*
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* IPv4 compatible
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*/
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#define IN6_IS_ADDR_V4COMPAT(x) (\
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*((u_long *)((x)->s6_addr) ) == 0 && \
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*((u_long *)((x)->s6_addr) + 1) == 0 && \
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*((u_long *)((x)->s6_addr) + 2) == 0 && \
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*((u_long *)((x)->s6_addr) + 3) != 0 && \
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*((u_long *)((x)->s6_addr) + 3) != htonl(1) \
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#define IN6_IS_ADDR_V4COMPAT(a) (\
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*((u_long *)((a)->s6_addr) ) == 0 && \
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*((u_long *)((a)->s6_addr) + 1) == 0 && \
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*((u_long *)((a)->s6_addr) + 2) == 0 && \
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*((u_long *)((a)->s6_addr) + 3) != 0 && \
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*((u_long *)((a)->s6_addr) + 3) != htonl(1) \
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)
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/*
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* Mapped
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*/
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#define IN6_IS_ADDR_V4MAPPED(x) (\
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*((u_long *)((x)->s6_addr) ) == 0 && \
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*((u_long *)((x)->s6_addr) + 1) == 0 && \
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*((u_long *)((x)->s6_addr) + 2) == htonl(0x0000ffff))
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#define IN6_IS_ADDR_V4MAPPED(a) (\
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*((u_long *)((a)->s6_addr) ) == 0 && \
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*((u_long *)((a)->s6_addr) + 1) == 0 && \
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*((u_long *)((a)->s6_addr) + 2) == htonl(0x0000ffff))
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/*
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* Multicast
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@@ -98,6 +98,14 @@ struct in6_pktinfo {
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#define IN6_IS_ADDR_MULTICAST(a) \
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((a)->s6_addr8[0] == 0xffU)
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ISC_LANG_ENDDECLS
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/*
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* Unicast link / site local.
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*/
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#define IN6_IS_ADDR_LINKLOCAL(a) (\
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(*((u_long *)((a)->s6_addr) ) == 0xfe) && \
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((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0x80))
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#define IN6_IS_ADDR_SITELOCAL(a) (\
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(*((u_long *)((a)->s6_addr) ) == 0xfe) && \
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((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0xc0))
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#endif /* ISC_IPV6_H */
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@@ -15,7 +15,7 @@
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: net.h,v 1.16 2001/11/27 00:56:25 gson Exp $ */
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/* $Id: net.h,v 1.17 2002/08/01 03:56:08 mayer Exp $ */
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#ifndef ISC_NET_H
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#define ISC_NET_H 1
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@@ -105,6 +105,18 @@
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* a variable
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*/
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#undef interface
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#ifndef INADDR_LOOPBACK
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#define INADDR_LOOPBACK 0x7f000001UL
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#endif
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#ifndef ISC_PLATFORM_HAVEIN6PKTINFO
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struct in6_pktinfo {
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struct in6_addr ipi6_addr; /* src/dst IPv6 address */
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unsigned int ipi6_ifindex; /* send/recv interface index */
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};
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#endif
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/*
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* Ensure type in_port_t is defined.
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*/
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