diff options
Diffstat (limited to 'avahi-core/wide-area.c')
| -rw-r--r-- | avahi-core/wide-area.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/avahi-core/wide-area.c b/avahi-core/wide-area.c index 2064996..05dba4a 100644 --- a/avahi-core/wide-area.c +++ b/avahi-core/wide-area.c @@ -843,6 +843,14 @@ void wide_area_publish(AvahiRecord *r, char *zone, uint16_t id) { AvahiDnsPacket *p; AvahiKey *k; + AvahiRecord *tsig; + + /* TODO: in merged version into upstream, key needs to be an external configurable pulled from /etc */ + static const char key[16] = { 0x12, 0xa6, 0x05, 0xcc, 0x38, 0xf9, 0x1f, 0x1e, + 0x24, 0x21, 0x6c, 0xa4, 0xd0, 0x1e, 0x88, 0x38 }; + + /* TODO: revisit record for wide-area - change ".local" and IPaddr as appropriate */ + p = avahi_dns_packet_new_update(0); /* TODO: revisit MTU */ if (!p) { /*OOM check */ avahi_log_error("avahi_dns_packet_new_update() failed."); @@ -878,6 +886,25 @@ void wide_area_publish(AvahiRecord *r, char *zone, uint16_t id) { assert(p); } + /* get it MAC signed */ + tsig = tsig_sign_packet("dynamic.endorfine.org", key, sizeof(key), p, AVAHI_TSIG_HMAC_MD5); + /* r = tsig_sign_packet(keyname, key, keylength, packet, hmac_algorithm) */ + + if (!tsig) { /*OOM check */ + avahi_log_error("tsig record generation failed."); + assert(tsig); + } + + /* append TSIG record - note the RR group it goes into! */ + avahi_dns_packet_append_record(p, tsig, 0, 30); /* TODO: revisit max TTL from 30 */ + + avahi_dns_packet_set_field(p, AVAHI_DNS_FIELD_ADCOUNT, 1); /*increment record count for ADCOUNT */ + + if (!p) { /*OOM check */ + avahi_log_error("appending of rdata failed."); + assert(p); + } + /*TODO: put packet on the wire */ } |