Fix a crash when we have a malformed public ECDSA key of another node.

[tinc] / src / protocol_auth.c

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 52afa09..0904afd 100644 (file)
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -379,7 +379,8 @@ bool id_h(connection_t *c, const char *request) {
                }
 
                if(experimental)
-                       read_ecdsa_public_key(c);
+                       if(!read_ecdsa_public_key(c))
+                               return false;
        } else {
                if(c->protocol_minor && !ecdsa_active(c->ecdsa))
                        c->protocol_minor = 1;