diff options
| author | Federico Lucifredi <flucifredi@acm.org> | 2008-01-20 21:47:50 +0000 |
|---|---|---|
| committer | Federico Lucifredi <flucifredi@acm.org> | 2008-01-20 21:47:50 +0000 |
| commit | 456dc751a0c3d48476277c8cbca338715948f2f7 (patch) | |
| tree | ab48757bbb8992d181725dcad8800ed9de30ae28 | |
| parent | 4586d4466ffd0b8913f04b63c5dbfd261fc88017 (diff) | |
keytag generation (avahi_keytag()) and a few more constants for RRSIG generation.
git-svn-id: file:///home/lennart/svn/public/avahi/branches/federico2@1732 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
| -rw-r--r-- | avahi-core/domain-util.c | 16 | ||||
| -rw-r--r-- | avahi-core/domain-util.h | 3 | ||||
| -rw-r--r-- | avahi-core/rr.h | 4 |
3 files changed, 21 insertions, 2 deletions
diff --git a/avahi-core/domain-util.c b/avahi-core/domain-util.c index 0d6ba14..7f562db 100644 --- a/avahi-core/domain-util.c +++ b/avahi-core/domain-util.c @@ -237,4 +237,18 @@ uint8_t avahi_count_canonical_labels(const char* input){ } return count; -}
\ No newline at end of file +} + +/* reference keytag generator from RFC 4034 */ +/* invoke with avahi_keytag(<rdata>, <rdlength>); */ +uint16_t avahi_keytag(uint8_t key[], uint16_t keysize){ + uint32_t ac; + int i; + + for (ac = 0, i = 0; i < keysize; ++i) + ac += (i & 1) ? key[i] : key[i] << 8; + + ac += (ac >> 16) & 0xFFFF; + + return ac & 0xFFFF; + } diff --git a/avahi-core/domain-util.h b/avahi-core/domain-util.h index c3e3579..2e4cf3d 100644 --- a/avahi-core/domain-util.h +++ b/avahi-core/domain-util.h @@ -48,6 +48,9 @@ unsigned char * avahi_c_to_canonical_string(const char* input); /** returns the number of labels in a canonical DNS domain */ uint8_t avahi_count_canonical_labels(const char* input); +/* reference keytag generator from RFC 4034 */ +uint16_t avahi_keytag(uint8_t key[], uint16_t keysize) + AVAHI_C_DECL_END #endif diff --git a/avahi-core/rr.h b/avahi-core/rr.h index fc6a0e6..2437ef2 100644 --- a/avahi-core/rr.h +++ b/avahi-core/rr.h @@ -52,7 +52,9 @@ enum { /**DNSSEC protocol constants */ enum { - AVAHI_DNSSEC_PROTO = 0x3 + AVAHI_DNSSEC_PROTO = 0x3, + AVAHI_DNSSEC_VALIDITY = 30, + AVAHI_DNSSEC_TIME_DRIFT = 3600 }; /** DNS record classes, see RFC 1035, in addition to those defined in defs.h */ |