From patchwork Tue Jan 23 12:15:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= X-Patchwork-Id: 13527312 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AE9D35D91B for ; Tue, 23 Jan 2024 12:15:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706012128; cv=none; b=KyntxJbPbiLXO6pUXLdvMe0Im72VFzkwg351zeyffEQTKdzYexIr3Uq96wQ6I2NJzssZ8VXcYo1gEVElJnIz+HeiCapV24ZMJBc86LHlao9lCw2BJ8wWDbIpe29L/qjCweIezjs6MkBwPct/IWKaDFZ+mqs7AyImq/BEs2sveuU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706012128; c=relaxed/simple; bh=/nh8co27MrhVlDeKnQkMaj3e9VRx6HJEZGqAxf/tXhU=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=rkal+hVqadCrJBBl8GDDalWnFfXmGlrul7hrW41Bara7qrVo9Ak9KqpAlVWTTi4BGU7VtL9+hQ2JDCTBUqbphFSPBDTV2nG/nJMqySRDzMpTkuM4+NzO2AGsfsuqIX991WascaxicIwkotqQMgEnH+ndTp+kuj/RRs4Kjv47agQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=fX2ZzMwN; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="fX2ZzMwN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1706012125; bh=/nh8co27MrhVlDeKnQkMaj3e9VRx6HJEZGqAxf/tXhU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=fX2ZzMwNoV2W4wtWUQIEhIu3tqPww6Am1upb+ooJZ69eA+batQjn0rRuXlMK6Fn49 d+n9US76N8UDsVA3vlwsA9tCByYAwUiBu6MQSktcE53J7CxZfv/oIpCBWy7witJy9U sOuqMxXlM7Ojfg5fOQHpLCl7GFEe89nNLHuHnbjSoraAAGXz/ZPUy7x4PMFoPg0LN5 ke3PKh1SRQiT1GOMn8x5C95+Mf5abEUF5h0zsXlxaYaiznE1dTVdr7KSGB7Zm76P7O HUE2FRrRYbhwb6t+9tY4Uc7ZhleJNBOB5M7JXVyDodi1idJS73zgsh36w28osLKgVu rlcb6le9ImGiA== Received: from fdanis-XPS-13-9370.. (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: fdanis) by madrid.collaboradmins.com (Postfix) with ESMTPSA id D293037820AC for ; Tue, 23 Jan 2024 12:15:24 +0000 (UTC) From: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 2/2] device: Update local and remote CSRK on management event Date: Tue, 23 Jan 2024 13:15:19 +0100 Message-Id: <20240123121519.523735-2-frederic.danis@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240123121519.523735-1-frederic.danis@collabora.com> References: <20240123121519.523735-1-frederic.danis@collabora.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The local and remote CSRK keys are only loaded from storage during start. Those keys should be updated on MGMT_EV_NEW_CSRK event to be able to perform signed write for GAP/SEC/CSIGN/BV-02-C. --- src/adapter.c | 2 ++ src/device.c | 16 ++++++++++++++++ src/device.h | 2 ++ 3 files changed, 20 insertions(+) diff --git a/src/adapter.c b/src/adapter.c index 022390f0d..fb71ef83e 100644 --- a/src/adapter.c +++ b/src/adapter.c @@ -8882,6 +8882,8 @@ static void new_csrk_callback(uint16_t index, uint16_t length, return; } + device_set_csrk(device, key->val, key->type & 0x01); + if (!ev->store_hint) return; diff --git a/src/device.c b/src/device.c index 17bcfbc49..34f64ca5b 100644 --- a/src/device.c +++ b/src/device.c @@ -1955,6 +1955,22 @@ bool btd_device_get_ltk(struct btd_device *device, uint8_t key[16], return true; } +void device_set_csrk(struct btd_device *device, const uint8_t val[16], + bool remote) +{ + if (remote) { + g_free(device->remote_csrk); + device->remote_csrk = g_new0(struct csrk_info, 1); + memcpy(device->remote_csrk->key, val, + sizeof(device->remote_csrk->key)); + } else { + g_free(device->local_csrk); + device->local_csrk = g_new0(struct csrk_info, 1); + memcpy(device->local_csrk->key, val, + sizeof(device->local_csrk->key)); + } +} + static bool match_sirk(const void *data, const void *match_data) { const struct sirk_info *sirk = data; diff --git a/src/device.h b/src/device.h index 8bb38669d..d00c002c3 100644 --- a/src/device.h +++ b/src/device.h @@ -134,6 +134,8 @@ void device_set_ltk(struct btd_device *device, const uint8_t val[16], bool central, uint8_t enc_size); bool btd_device_get_ltk(struct btd_device *device, uint8_t val[16], bool *central, uint8_t *enc_size); +void device_set_csrk(struct btd_device *device, const uint8_t val[16], + bool remote); bool btd_device_add_set(struct btd_device *device, bool encrypted, uint8_t sirk[16], uint8_t size, uint8_t rank); void device_store_svc_chng_ccc(struct btd_device *device, uint8_t bdaddr_type,