diff options
Diffstat (limited to 'avahi-core/wide-area.c')
| -rw-r--r-- | avahi-core/wide-area.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/avahi-core/wide-area.c b/avahi-core/wide-area.c index de40021..fbe25b4 100644 --- a/avahi-core/wide-area.c +++ b/avahi-core/wide-area.c @@ -808,12 +808,25 @@ AvahiRecord* tsig_sign_packet(const char* keyname, const char* key, unsigned key /*HMAC_Update(&ctx, <data/>, <length/>);*/ HMAC_Update(&ctx, (unsigned char *)p->data, (unsigned int)p->size); /*packet in wire format*/ - canonic = c_to_canonical_string(keyname); - HMAC_Update(&ctx, canonic, strlen(canonic) +1); /* key name in canonical wire format */ + canonic = c_to_canonical_string(keyname); /* key name in canonical wire format (DNS labels) */ + HMAC_Update(&ctx, canonic, strlen(canonic) +1); - HMAC_Update(&ctx, uint16_to_canonical_string(AVAHI_DNS_CLASS_ANY), 2); /* class */ -/* HMAC_Update(&ctx, - HMAC_Update(&ctx, */ + HMAC_Update(&ctx, uint16_to_canonical_string(AVAHI_DNS_CLASS_ANY), 2); /* class - always ANY for TSIG*/ + + HMAC_Update(&ctx, uint32_to_canonical_string(0), 4); /* TTL - always 0 for TSIG */ + + canonic = c_to_canonical_string(r->data.tsig.algorithm_name); /* IANA algorithm name in canonical wire format (DNS labels)*/ + HMAC_Update(&ctx, canonic, strlen(canonic) +1); + + HMAC_Update(&ctx, time_t_to_canonical_string(time_t v), 6); /*uint48 representation of unix time */ + + HMAC_Update(&ctx, uint16_to_canonical_string(r->data.tsig.fudge), 2); + + HMAC_Update(&ctx, uint16_to_canonical_string(r->data.tsig.error), 2); + + HMAC_Update(&ctx, uint16_to_canonical_string(r->data.tsig.other_len), 2); + + HMAC_Update(&ctx, r->data.tsig.other_data, other_len); /* should work if other_len =0 can be passed to the HMAC */ HMAC_Final(&ctx, keyed_hash, &hash_length); HMAC_cleanup(&ctx); |