diff options
Diffstat (limited to 'sebhbsd/freebsd/contrib/ntp/lib/isc/include/isc/sockaddr.h')
| -rw-r--r-- | sebhbsd/freebsd/contrib/ntp/lib/isc/include/isc/sockaddr.h | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/sebhbsd/freebsd/contrib/ntp/lib/isc/include/isc/sockaddr.h b/sebhbsd/freebsd/contrib/ntp/lib/isc/include/isc/sockaddr.h new file mode 100644 index 0000000..1e69142 --- /dev/null +++ b/sebhbsd/freebsd/contrib/ntp/lib/isc/include/isc/sockaddr.h @@ -0,0 +1,241 @@ +/* + * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1998-2003 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or 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 1.57 2009/01/18 23:48:14 tbox Exp $ */ + +#ifndef ISC_SOCKADDR_H +#define ISC_SOCKADDR_H 1 + +/*! \file isc/sockaddr.h */ + +#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. + * If 'b''s scope is zero then 'a''s scope will be ignored. + */ + +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 address. + */ + +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 */ |