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Send route change when we detect a peer has a combined key

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This commit is contained in:
Jeremy Lakeman 2017-11-16 10:29:30 +01:00
parent c185b6c613
commit 3815900f29
1 changed files with 10 additions and 4 deletions
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14
overlay_mdp_keymaprequest.c
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@ -25,6 +25,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include "overlay_buffer.h"
#include "crypto.h"
#include "mem.h"
#include "route_link.h"
static int keyring_respond_id(struct internal_mdp_header *header)
{
@ -78,15 +79,20 @@ static int keyring_store_id(struct internal_mdp_header *header, struct overlay_b
if (crypto_sign_verify_detached(compactsignature, header->source->sid.binary, SID_SIZE, id_public->binary))
return WHY("SID:SAS mapping verification signature does not verify");
// test if the signing key can be used to derive the sid
if (crypto_ismatching_sign_sid(id_public, &header->source->sid))
header->source->id_combined=1;
/* now store it */
bcopy(id_public, &header->source->id_public, IDENTITY_SIZE);
header->source->id_valid=1;
header->source->id_last_request=-1;
// test if the signing key can be used to derive the sid
uint8_t was_combined = header->source->id_combined;
if (crypto_ismatching_sign_sid(id_public, &header->source->sid))
header->source->id_combined = 1;
if (was_combined != header->source->id_combined && header->source->reachable){
CALL_TRIGGER(link_change, header->source, header->source->reachable);
}
DEBUGF(keyring, "Stored SID:SAS mapping, SID=%s to SAS=%s",
alloca_tohex_sid_t(header->source->sid),
alloca_tohex_identity_t(&header->source->id_public)