diff options
Diffstat (limited to 'contrib/bind9/lib/isc/netaddr.c')
-rw-r--r-- | contrib/bind9/lib/isc/netaddr.c | 83 |
1 files changed, 81 insertions, 2 deletions
diff --git a/contrib/bind9/lib/isc/netaddr.c b/contrib/bind9/lib/isc/netaddr.c index 712ad2c..e56e05b 100644 --- a/contrib/bind9/lib/isc/netaddr.c +++ b/contrib/bind9/lib/isc/netaddr.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any @@ -15,7 +15,9 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: netaddr.c,v 1.18.12.9 2004/05/15 03:46:12 jinmei Exp $ */ +/* $Id: netaddr.c,v 1.27.18.8 2005/04/27 05:02:03 sra Exp $ */ + +/*! \file */ #include <config.h> @@ -51,6 +53,12 @@ isc_netaddr_equal(const isc_netaddr_t *a, const isc_netaddr_t *b) { a->zone != b->zone) return (ISC_FALSE); break; +#ifdef ISC_PLATFORM_HAVESYSUNH + case AF_UNIX: + if (strcmp(a->type.un, b->type.un) != 0) + return (ISC_FALSE); + break; +#endif default: return (ISC_FALSE); } @@ -135,6 +143,16 @@ isc_netaddr_totext(const isc_netaddr_t *netaddr, isc_buffer_t *target) { case AF_INET6: type = &netaddr->type.in6; break; +#ifdef ISC_PLATFORM_HAVESYSUNH + case AF_UNIX: + alen = strlen(netaddr->type.un); + if (alen > isc_buffer_availablelength(target)) + return (ISC_R_NOSPACE); + isc_buffer_putmem(target, + (const unsigned char *)(netaddr->type.un), + alen); + return (ISC_R_SUCCESS); +#endif default: return (ISC_R_FAILURE); } @@ -190,6 +208,42 @@ isc_netaddr_format(const isc_netaddr_t *na, char *array, unsigned int size) { } } + +isc_result_t +isc_netaddr_prefixok(const isc_netaddr_t *na, unsigned int prefixlen) { + static const unsigned char zeros[16]; + unsigned int nbits, nbytes, ipbytes; + const unsigned char *p; + + switch (na->family) { + case AF_INET: + p = (const unsigned char *) &na->type.in; + ipbytes = 4; + if (prefixlen > 32) + return (ISC_R_RANGE); + break; + case AF_INET6: + p = (const unsigned char *) &na->type.in6; + ipbytes = 16; + if (prefixlen > 128) + return (ISC_R_RANGE); + break; + default: + ipbytes = 0; + return (ISC_R_NOTIMPLEMENTED); + } + nbytes = prefixlen / 8; + nbits = prefixlen % 8; + if (nbits != 0) { + if ((p[nbytes] & (0xff>>nbits)) != 0U) + return (ISC_R_FAILURE); + nbytes++; + } + if (memcmp(p + nbytes, zeros, ipbytes - nbytes) != 0) + return (ISC_R_FAILURE); + return (ISC_R_SUCCESS); +} + isc_result_t isc_netaddr_masktoprefixlen(const isc_netaddr_t *s, unsigned int *lenp) { unsigned int nbits, nbytes, ipbytes, i; @@ -246,6 +300,25 @@ isc_netaddr_fromin6(isc_netaddr_t *netaddr, const struct in6_addr *ina6) { netaddr->type.in6 = *ina6; } +isc_result_t +isc_netaddr_frompath(isc_netaddr_t *netaddr, const char *path) { +#ifdef ISC_PLATFORM_HAVESYSUNH + if (strlen(path) > sizeof(netaddr->type.un) - 1) + return (ISC_R_NOSPACE); + + memset(netaddr, 0, sizeof(*netaddr)); + netaddr->family = AF_UNIX; + strcpy(netaddr->type.un, path); + netaddr->zone = 0; + return (ISC_R_SUCCESS); +#else + UNUSED(netaddr); + UNUSED(path); + return (ISC_R_NOTIMPLEMENTED); +#endif +} + + void isc_netaddr_setzone(isc_netaddr_t *netaddr, isc_uint32_t zone) { /* we currently only support AF_INET6. */ @@ -276,6 +349,12 @@ isc_netaddr_fromsockaddr(isc_netaddr_t *t, const isc_sockaddr_t *s) { t->zone = 0; #endif break; +#ifdef ISC_PLATFORM_HAVESYSUNH + case AF_UNIX: + memcpy(t->type.un, s->type.sunix.sun_path, sizeof(t->type.un)); + t->zone = 0; + break; +#endif default: INSIST(0); } |