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Diffstat (limited to 'contrib/ntp/include/isc/netaddr.h')
| -rw-r--r-- | contrib/ntp/include/isc/netaddr.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/contrib/ntp/include/isc/netaddr.h b/contrib/ntp/include/isc/netaddr.h new file mode 100644 index 000000000000..811e8dd48e0c --- /dev/null +++ b/contrib/ntp/include/isc/netaddr.h @@ -0,0 +1,139 @@ +/* + * Copyright (C) 1998-2002 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 INTERNET SOFTWARE CONSORTIUM + * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL + * INTERNET SOFTWARE CONSORTIUM 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: netaddr.h,v 1.21 2002/04/03 06:38:35 marka Exp $ */ + +#ifndef ISC_NETADDR_H +#define ISC_NETADDR_H 1 + +#include <isc/lang.h> +#include <isc/net.h> +#include <isc/types.h> +#include "ntp_rfc2553.h" + + + +ISC_LANG_BEGINDECLS + +struct isc_netaddr { + unsigned int family; + union { + struct in_addr in; + struct in6_addr in6; + } type; +}; + +isc_boolean_t +isc_netaddr_equal(const isc_netaddr_t *a, const isc_netaddr_t *b); + +isc_boolean_t +isc_netaddr_eqprefix(const isc_netaddr_t *a, const isc_netaddr_t *b, + unsigned int prefixlen); +/* + * Compare the 'prefixlen' most significant bits of the network + * addresses 'a' and 'b'. Return ISC_TRUE if they are equal, + * ISC_FALSE if not. + */ + +isc_result_t +isc_netaddr_masktoprefixlen(const isc_netaddr_t *s, unsigned int *lenp); +/* + * Convert a netmask in 's' into a prefix length in '*lenp'. + * The mask should consist of zero or more '1' bits in the most + * most significant part of the address, followed by '0' bits. + * If this is not the case, ISC_R_MASKNONCONTIG is returned. + * + * Returns: + * ISC_R_SUCCESS + * ISC_R_MASKNONCONTIG + */ + +isc_result_t +isc_netaddr_totext(const isc_netaddr_t *netaddr, isc_buffer_t *target); +/* + * Append a text representation of 'sockaddr' to the buffer 'target'. + * The text is NOT null terminated. Handles IPv4 and IPv6 addresses. + * + * Returns: + * ISC_R_SUCCESS + * ISC_R_NOSPACE The text or the null termination did not fit. + * ISC_R_FAILURE Unspecified failure + */ + +void +isc_netaddr_format(const isc_netaddr_t *na, char *array, unsigned int size); +/* + * Format a human-readable representation of the network address '*na' + * into the character array 'array', which is of size 'size'. + * The resulting string is guaranteed to be null-terminated. + */ + +#define ISC_NETADDR_FORMATSIZE \ + sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:XXX.XXX.XXX.XXX") +/* + * Minimum size of array to pass to isc_netaddr_format(). + */ + +void +isc_netaddr_fromsockaddr(isc_netaddr_t *netaddr, const isc_sockaddr_t *source); + +void +isc_netaddr_fromin(isc_netaddr_t *netaddr, const struct in_addr *ina); + +void +isc_netaddr_fromin6(isc_netaddr_t *netaddr, const struct in6_addr *ina6); + +void +isc_netaddr_any(isc_netaddr_t *netaddr); +/* + * Return the IPv4 wildcard address. + */ + +void +isc_netaddr_any6(isc_netaddr_t *netaddr); +/* + * Return the IPv6 wildcard address. + */ + +isc_boolean_t +isc_netaddr_ismulticast(isc_netaddr_t *na); +/* + * Returns ISC_TRUE if the address is a multicast address. + */ + +isc_boolean_t +isc_netaddr_islinklocal(isc_netaddr_t *na); +/* + * Returns ISC_TRUE if the address is a link local address. + */ + +isc_boolean_t +isc_netaddr_issitelocal(isc_netaddr_t *na); +/* + * Returns ISC_TRUE if the address is a site local address. + */ + +void +isc_netaddr_fromv4mapped(isc_netaddr_t *t, const isc_netaddr_t *s); +/* + * Convert an IPv6 v4mapped address into an IPv4 address. + */ + + +ISC_LANG_ENDDECLS + +#endif /* ISC_NETADDR_H */ |