diff options
Diffstat (limited to 'contrib/bind9/lib/dns/rdata/generic/nsec3_50.h')
| -rw-r--r-- | contrib/bind9/lib/dns/rdata/generic/nsec3_50.h | 47 |
1 files changed, 36 insertions, 11 deletions
diff --git a/contrib/bind9/lib/dns/rdata/generic/nsec3_50.h b/contrib/bind9/lib/dns/rdata/generic/nsec3_50.h index 69a1141..5f2afb8 100644 --- a/contrib/bind9/lib/dns/rdata/generic/nsec3_50.h +++ b/contrib/bind9/lib/dns/rdata/generic/nsec3_50.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008, 2012 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2008, 2011, 2012 Internet Systems Consortium, Inc. ("ISC") * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -46,7 +46,16 @@ typedef struct dns_rdata_nsec3 { #define DNS_NSEC3FLAG_OPTOUT 0x01U /*% - * Non-standard, NSEC3PARAM only. + * The following flags are used in the private-type record (implemented in + * lib/dns/private.c) which is used to store NSEC3PARAM data during the + * time when it is not legal to have an actual NSEC3PARAM record in the + * zone. They are defined here because the private-type record uses the + * same flags field for the OPTOUT flag above and for the private flags + * below. XXX: This should be considered for refactoring. + */ + +/*% + * Non-standard, private type only. * * Create a corresponding NSEC3 chain. * Once the NSEC3 chain is complete this flag will be removed to signal @@ -55,13 +64,14 @@ typedef struct dns_rdata_nsec3 { * This flag is automatically set when a NSEC3PARAM record is added to * the zone via UPDATE. * - * NSEC3PARAM records with this flag set are supposed to be ignored by - * RFC 5155 compliant nameservers. + * NSEC3PARAM records containing this flag should never be published, + * but if they are, they should be ignored by RFC 5155 compliant + * nameservers. */ #define DNS_NSEC3FLAG_CREATE 0x80U /*% - * Non-standard, NSEC3PARAM only. + * Non-standard, private type only. * * The corresponding NSEC3 set is to be removed once the NSEC chain * has been generated. @@ -69,24 +79,39 @@ typedef struct dns_rdata_nsec3 { * This flag is automatically set when the last active NSEC3PARAM record * is removed from the zone via UPDATE. * - * NSEC3PARAM records with this flag set are supposed to be ignored by - * RFC 5155 compliant nameservers. + * NSEC3PARAM records containing this flag should never be published, + * but if they are, they should be ignored by RFC 5155 compliant + * nameservers. */ #define DNS_NSEC3FLAG_REMOVE 0x40U /*% - * Non-standard, NSEC3PARAM only. + * Non-standard, private type only. * - * Used to identify NSEC3PARAM records added in this UPDATE request. + * When set with the CREATE flag, a corresponding NSEC3 chain will be + * created when the zone becomes capable of supporting one (i.e., when it + * has a DNSKEY RRset containing at least one NSEC3-capable algorithm). + * Without this flag, NSEC3 chain creation would be attempted immediately, + * fail, and the private type record would be removed. With it, the NSEC3 + * parameters are stored until they can be used. When the zone has the + * necessary prerequisites for NSEC3, then the INITIAL flag can be cleared, + * and the record will be cleaned up normally. + * + * NSEC3PARAM records containing this flag should never be published, but + * if they are, they should be ignored by RFC 5155 compliant nameservers. */ -#define DNS_NSEC3FLAG_UPDATE 0x20U +#define DNS_NSEC3FLAG_INITIAL 0x20U /*% - * Non-standard, NSEC3PARAM only. + * Non-standard, private type only. * * Prevent the creation of a NSEC chain before the last NSEC3 chain * is removed. This will normally only be set when the zone is * transitioning from secure with NSEC3 chains to insecure. + * + * NSEC3PARAM records containing this flag should never be published, + * but if they are, they should be ignored by RFC 5155 compliant + * nameservers. */ #define DNS_NSEC3FLAG_NONSEC 0x10U |
