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- /*
- * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1998-2003 Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
- /* $Id: sockaddr.h,v 1.42.18.8 2006/03/02 00:37:22 marka Exp $ */
-
- #ifndef ISC_SOCKADDR_H
- #define ISC_SOCKADDR_H 1
-
- /*! \file */
-
- #include <isc/lang.h>
- #include <isc/net.h>
- #include <isc/types.h>
- #ifdef ISC_PLATFORM_HAVESYSUNH
- #include <sys/un.h>
- #endif
-
- struct isc_sockaddr {
- union {
- struct sockaddr sa;
- struct sockaddr_in sin;
- struct sockaddr_in6 sin6;
- #ifdef ISC_PLATFORM_HAVESYSUNH
- struct sockaddr_un sunix;
- #endif
- } type;
- unsigned int length; /* XXXRTH beginning? */
- ISC_LINK(struct isc_sockaddr) link;
- };
-
- typedef ISC_LIST(struct isc_sockaddr) isc_sockaddrlist_t;
-
- #define ISC_SOCKADDR_CMPADDR 0x0001 /*%< compare the address
- * sin_addr/sin6_addr */
- #define ISC_SOCKADDR_CMPPORT 0x0002 /*%< compare the port
- * sin_port/sin6_port */
- #define ISC_SOCKADDR_CMPSCOPE 0x0004 /*%< compare the scope
- * sin6_scope */
- #define ISC_SOCKADDR_CMPSCOPEZERO 0x0008 /*%< when comparing scopes
- * zero scopes always match */
-
- ISC_LANG_BEGINDECLS
-
- isc_boolean_t
- isc_sockaddr_compare(const isc_sockaddr_t *a, const isc_sockaddr_t *b,
- unsigned int flags);
- /*%<
- * Compare the elements of the two address ('a' and 'b') as specified
- * by 'flags' and report if they are equal or not.
- *
- * 'flags' is set from ISC_SOCKADDR_CMP*.
- */
-
- isc_boolean_t
- isc_sockaddr_equal(const isc_sockaddr_t *a, const isc_sockaddr_t *b);
- /*%<
- * Return ISC_TRUE iff the socket addresses 'a' and 'b' are equal.
- */
-
- isc_boolean_t
- isc_sockaddr_eqaddr(const isc_sockaddr_t *a, const isc_sockaddr_t *b);
- /*%<
- * Return ISC_TRUE iff the address parts of the socket addresses
- * 'a' and 'b' are equal, ignoring the ports.
- */
-
- isc_boolean_t
- isc_sockaddr_eqaddrprefix(const isc_sockaddr_t *a, const isc_sockaddr_t *b,
- unsigned int prefixlen);
- /*%<
- * Return ISC_TRUE iff the most significant 'prefixlen' bits of the
- * socket addresses 'a' and 'b' are equal, ignoring the ports.
- */
-
- unsigned int
- isc_sockaddr_hash(const isc_sockaddr_t *sockaddr, isc_boolean_t address_only);
- /*%<
- * Return a hash value for the socket address 'sockaddr'. If 'address_only'
- * is ISC_TRUE, the hash value will not depend on the port.
- *
- * IPv6 addresses containing mapped IPv4 addresses generate the same hash
- * value as the equivalent IPv4 address.
- */
-
- void
- isc_sockaddr_any(isc_sockaddr_t *sockaddr);
- /*%<
- * Return the IPv4 wildcard address.
- */
-
- void
- isc_sockaddr_any6(isc_sockaddr_t *sockaddr);
- /*%<
- * Return the IPv6 wildcard address.
- */
-
- void
- isc_sockaddr_anyofpf(isc_sockaddr_t *sockaddr, int family);
- /*%<
- * Set '*sockaddr' to the wildcard address of protocol family
- * 'family'.
- *
- * Requires:
- * \li 'family' is AF_INET or AF_INET6.
- */
-
- void
- isc_sockaddr_fromin(isc_sockaddr_t *sockaddr, const struct in_addr *ina,
- in_port_t port);
- /*%<
- * Construct an isc_sockaddr_t from an IPv4 address and port.
- */
-
- void
- isc_sockaddr_fromin6(isc_sockaddr_t *sockaddr, const struct in6_addr *ina6,
- in_port_t port);
- /*%<
- * Construct an isc_sockaddr_t from an IPv6 address and port.
- */
-
- void
- isc_sockaddr_v6fromin(isc_sockaddr_t *sockaddr, const struct in_addr *ina,
- in_port_t port);
- /*%<
- * Construct an IPv6 isc_sockaddr_t representing a mapped IPv4 address.
- */
-
- void
- isc_sockaddr_fromnetaddr(isc_sockaddr_t *sockaddr, const isc_netaddr_t *na,
- in_port_t port);
- /*%<
- * Construct an isc_sockaddr_t from an isc_netaddr_t and port.
- */
-
- int
- isc_sockaddr_pf(const isc_sockaddr_t *sockaddr);
- /*%<
- * Get the protocol family of 'sockaddr'.
- *
- * Requires:
- *
- *\li 'sockaddr' is a valid sockaddr with an address family of AF_INET
- * or AF_INET6.
- *
- * Returns:
- *
- *\li The protocol family of 'sockaddr', e.g. PF_INET or PF_INET6.
- */
-
- void
- isc_sockaddr_setport(isc_sockaddr_t *sockaddr, in_port_t port);
- /*%<
- * Set the port of 'sockaddr' to 'port'.
- */
-
- in_port_t
- isc_sockaddr_getport(const isc_sockaddr_t *sockaddr);
- /*%<
- * Get the port stored in 'sockaddr'.
- */
-
- isc_result_t
- isc_sockaddr_totext(const isc_sockaddr_t *sockaddr, isc_buffer_t *target);
- /*%<
- * Append a text representation of 'sockaddr' to the buffer 'target'.
- * The text will include both the IP address (v4 or v6) and the port.
- * The text is null terminated, but the terminating null is not
- * part of the buffer's used region.
- *
- * Returns:
- * \li ISC_R_SUCCESS
- * \li ISC_R_NOSPACE The text or the null termination did not fit.
- */
-
- void
- isc_sockaddr_format(const isc_sockaddr_t *sa, char *array, unsigned int size);
- /*%<
- * Format a human-readable representation of the socket address '*sa'
- * into the character array 'array', which is of size 'size'.
- * The resulting string is guaranteed to be null-terminated.
- */
-
- isc_boolean_t
- isc_sockaddr_ismulticast(const isc_sockaddr_t *sa);
- /*%<
- * Returns #ISC_TRUE if the address is a multicast address.
- */
-
- isc_boolean_t
- isc_sockaddr_isexperimental(const isc_sockaddr_t *sa);
- /*
- * Returns ISC_TRUE if the address is a experimental (CLASS E) address.
- */
-
- isc_boolean_t
- isc_sockaddr_islinklocal(const isc_sockaddr_t *sa);
- /*%<
- * Returns ISC_TRUE if the address is a link local addresss.
- */
-
- isc_boolean_t
- isc_sockaddr_issitelocal(const isc_sockaddr_t *sa);
- /*%<
- * Returns ISC_TRUE if the address is a sitelocal address.
- */
-
- isc_result_t
- isc_sockaddr_frompath(isc_sockaddr_t *sockaddr, const char *path);
- /*
- * Create a UNIX domain sockaddr that refers to path.
- *
- * Returns:
- * \li ISC_R_NOSPACE
- * \li ISC_R_NOTIMPLEMENTED
- * \li ISC_R_SUCCESS
- */
-
- #define ISC_SOCKADDR_FORMATSIZE \
- sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:XXX.XXX.XXX.XXX%SSSSSSSSSS#YYYYY")
- /*%<
- * Minimum size of array to pass to isc_sockaddr_format().
- */
-
- ISC_LANG_ENDDECLS
-
- #endif /* ISC_SOCKADDR_H */
-