Function sync_crypto_read

devtools/gossipwith.c:134–164

}

static u8 *sync_crypto_read(const tal_t *ctx, int peer_fd, struct crypto_state *cs)
{
	u8 hdr[18], *enc, *dec;
	u16 len;

	if (!read_all(peer_fd, hdr, sizeof(hdr))) {
		status_debug("Failed reading header: %s", strerror(errno));
		exit(0);
	}

	if (!cryptomsg_decrypt_header(cs, hdr, &len)) {
		status_debug("Failed hdr decrypt with rn=%"PRIu64,
			     cs->rn-1);
		exit(1);
	}

	enc = tal_arr(ctx, u8, len + 16);
	if (!read_all(peer_fd, enc, tal_count(enc))) {
		status_debug("Failed reading body: %s", strerror(errno));
		exit(1);
	}

	dec = cryptomsg_decrypt_body(ctx, cs, enc);
	tal_free(enc);
	if (!dec)
		exit(1);
	else
		status_peer_io(LOG_IO_IN, NULL, dec);

	return dec;
}

static struct io_plan *handshake_success(struct io_conn *conn,
					 const struct pubkey *them,