Hi Archie,
On Mon, May 4, 2020 at 9:29 PM Archie Pusaka <apusaka@xxxxxxxxxx> wrote:
>
> From: Archie Pusaka <apusaka@xxxxxxxxxxxx>
>
> This is to test the behaviour of L2CAP channel when closed with
> shut_down(sock, SHUT_WR). In this case, we should wait until we
> receive a disconnection response before raising G_IO_HUP.
> ---
>
> Changes in v2:
> - Fix compile error in android/tester-main.c
>
> android/tester-main.c | 2 +-
> emulator/bthost.c | 17 ++++++++++-
> emulator/bthost.h | 5 +++-
> tools/l2cap-tester.c | 65 ++++++++++++++++++++++++++++++++++++++-----
> tools/rfcomm-tester.c | 2 +-
> 5 files changed, 80 insertions(+), 11 deletions(-)
>
> diff --git a/android/tester-main.c b/android/tester-main.c
> index 3c5af299f..9a14b2899 100644
> --- a/android/tester-main.c
> +++ b/android/tester-main.c
> @@ -2867,7 +2867,7 @@ void emu_add_l2cap_server_action(void)
> bthost = hciemu_client_get_host(data->hciemu);
>
> bthost_add_l2cap_server(bthost, l2cap_data->psm, l2cap_data->func,
> - l2cap_data->user_data);
> + NULL, l2cap_data->user_data);
>
> step->action_status = BT_STATUS_SUCCESS;
>
> diff --git a/emulator/bthost.c b/emulator/bthost.c
> index 0fa283464..71d5f97bb 100644
> --- a/emulator/bthost.c
> +++ b/emulator/bthost.c
> @@ -180,6 +180,7 @@ struct l2cap_pending_req {
> struct l2cap_conn_cb_data {
> uint16_t psm;
> bthost_l2cap_connect_cb func;
> + bthost_l2cap_disconnect_cb disconn_func;
> void *user_data;
> struct l2cap_conn_cb_data *next;
> };
> @@ -1510,7 +1511,9 @@ static bool l2cap_disconn_req(struct bthost *bthost, struct btconn *conn,
> uint8_t ident, const void *data, uint16_t len)
> {
> const struct bt_l2cap_pdu_disconn_req *req = data;
> + struct l2cap_conn_cb_data *cb_data;
> struct bt_l2cap_pdu_disconn_rsp rsp;
> + struct l2conn *l2conn;
>
> if (len < sizeof(*req))
> return false;
> @@ -1522,6 +1525,15 @@ static bool l2cap_disconn_req(struct bthost *bthost, struct btconn *conn,
> l2cap_sig_send(bthost, conn, BT_L2CAP_PDU_DISCONN_RSP, ident, &rsp,
> sizeof(rsp));
>
> + l2conn = btconn_find_l2cap_conn_by_scid(conn, rsp.scid);
> + if (!l2conn)
> + return true;
> +
> + cb_data = bthost_find_l2cap_cb_by_psm(bthost, l2conn->psm);
> +
> + if (cb_data && cb_data->disconn_func)
> + cb_data->disconn_func(cb_data->user_data);
> +
> return true;
> }
>
> @@ -2553,7 +2565,9 @@ uint64_t bthost_conn_get_fixed_chan(struct bthost *bthost, uint16_t handle)
> }
>
> void bthost_add_l2cap_server(struct bthost *bthost, uint16_t psm,
> - bthost_l2cap_connect_cb func, void *user_data)
> + bthost_l2cap_connect_cb func,
> + bthost_l2cap_disconnect_cb disconn_func,
> + void *user_data)
> {
> struct l2cap_conn_cb_data *data;
>
> @@ -2564,6 +2578,7 @@ void bthost_add_l2cap_server(struct bthost *bthost, uint16_t psm,
> data->psm = psm;
> data->user_data = user_data;
> data->func = func;
> + data->disconn_func = disconn_func;
> data->next = bthost->new_l2cap_conn_data;
>
> bthost->new_l2cap_conn_data = data;
> diff --git a/emulator/bthost.h b/emulator/bthost.h
> index b5f36964d..2b347136f 100644
> --- a/emulator/bthost.h
> +++ b/emulator/bthost.h
> @@ -100,9 +100,12 @@ void bthost_le_start_encrypt(struct bthost *bthost, uint16_t handle,
> const uint8_t ltk[16]);
> typedef void (*bthost_l2cap_connect_cb) (uint16_t handle, uint16_t cid,
> void *user_data);
> +typedef void (*bthost_l2cap_disconnect_cb) (void *user_data);
>
> void bthost_add_l2cap_server(struct bthost *bthost, uint16_t psm,
> - bthost_l2cap_connect_cb func, void *user_data);
> + bthost_l2cap_connect_cb func,
> + bthost_l2cap_disconnect_cb disconn_func,
> + void *user_data);
>
> void bthost_set_sc_support(struct bthost *bthost, bool enable);
>
> diff --git a/tools/l2cap-tester.c b/tools/l2cap-tester.c
> index 844ff2b46..1ef4e9213 100644
> --- a/tools/l2cap-tester.c
> +++ b/tools/l2cap-tester.c
> @@ -55,6 +55,7 @@ struct test_data {
> uint16_t dcid;
> int sk;
> int sk2;
> + bool host_disconnected;
> };
>
> struct l2cap_data {
> @@ -93,6 +94,8 @@ struct l2cap_data {
> bool server_not_advertising;
> bool direct_advertising;
> bool close_1;
> +
> + bool shut_sock_wr;
> };
>
> static void mgmt_debug(const char *str, void *user_data)
> @@ -316,6 +319,12 @@ static const struct l2cap_data client_connect_write_success_test = {
> .data_len = sizeof(l2_data),
> };
>
> +static const struct l2cap_data client_connect_shut_wr_success_test = {
> + .client_psm = 0x1001,
> + .server_psm = 0x1001,
> + .shut_sock_wr = true,
> +};
> +
> static const struct l2cap_data client_connect_nval_psm_test_1 = {
> .client_psm = 0x1001,
> .expect_err = ECONNREFUSED,
> @@ -967,6 +976,27 @@ static void server_bthost_received_data(const void *buf, uint16_t len,
> tester_test_passed();
> }
>
> +static gboolean socket_closed_cb(GIOChannel *io, GIOCondition cond,
> + gpointer user_data)
> +{
> + struct test_data *data = tester_get_data();
> + const struct l2cap_data *l2data = data->test_data;
> +
> + if (l2data->shut_sock_wr) {
> + /* if socket is closed using SHUT_WR, L2CAP disconnection
> + * response must be received first before G_IO_HUP event.
> + */
> + if (data->host_disconnected)
> + tester_test_passed();
> + else {
> + tester_warn("G_IO_HUP received before receiving L2CAP disconnection");
> + tester_test_failed();
> + }
> + }
> +
> + return FALSE;
> +}
> +
> static bool check_mtu(struct test_data *data, int sk)
> {
> const struct l2cap_data *l2data = data->test_data;
> @@ -1062,6 +1092,11 @@ static gboolean l2cap_connect_cb(GIOChannel *io, GIOCondition cond,
> tester_test_failed();
> }
>
> + return FALSE;
> + } else if (l2data->shut_sock_wr) {
> + g_io_add_watch(io, G_IO_HUP, socket_closed_cb, NULL);
> + shutdown(sk, SHUT_WR);
> +
> return FALSE;
> }
>
> @@ -1214,6 +1249,13 @@ static void client_l2cap_connect_cb(uint16_t handle, uint16_t cid,
> data->handle = handle;
> }
>
> +static void client_l2cap_disconnect_cb(void *user_data)
> +{
> + struct test_data *data = user_data;
> +
> + data->host_disconnected = true;
> +}
> +
> static void direct_adv_cmd_complete(uint16_t opcode, const void *param,
> uint8_t len, void *user_data)
> {
> @@ -1254,13 +1296,18 @@ static void test_connect(const void *test_data)
>
> if (l2data->server_psm) {
> struct bthost *bthost = hciemu_client_get_host(data->hciemu);
> + bthost_l2cap_connect_cb host_connect_cb = NULL;
> + bthost_l2cap_disconnect_cb host_disconnect_cb = NULL;
>
> - if (!l2data->data_len)
> - bthost_add_l2cap_server(bthost, l2data->server_psm,
> - NULL, NULL);
> - else
> - bthost_add_l2cap_server(bthost, l2data->server_psm,
> - client_l2cap_connect_cb, data);
> + if (l2data->data_len)
> + host_connect_cb = client_l2cap_connect_cb;
> +
> + if (l2data->shut_sock_wr)
> + host_disconnect_cb = client_l2cap_disconnect_cb;
> +
> + bthost_add_l2cap_server(bthost, l2data->server_psm,
> + host_connect_cb, host_disconnect_cb,
> + data);
> }
>
> if (l2data->direct_advertising)
> @@ -1639,7 +1686,7 @@ static void test_connect_2(const void *test_data)
>
> if (!l2data->data_len)
> bthost_add_l2cap_server(bthost, l2data->server_psm,
> - NULL, NULL);
> + NULL, NULL, NULL);
> }
>
> defer = (l2data->mode == BT_MODE_EXT_FLOWCTL);
> @@ -1927,6 +1974,10 @@ int main(int argc, char *argv[])
> &client_connect_nval_psm_test_3,
> setup_powered_client, test_connect);
>
> + test_l2cap_bredr("L2CAP BR/EDR Client - Socket Shut WR Success",
> + &client_connect_shut_wr_success_test,
> + setup_powered_client, test_connect);
> +
> test_l2cap_bredr("L2CAP BR/EDR Server - Success",
> &l2cap_server_success_test,
> setup_powered_server, test_server);
> diff --git a/tools/rfcomm-tester.c b/tools/rfcomm-tester.c
> index b20d70d58..2d3be27d8 100644
> --- a/tools/rfcomm-tester.c
> +++ b/tools/rfcomm-tester.c
> @@ -548,7 +548,7 @@ static void test_connect(const void *test_data)
> GIOChannel *io;
> int sk;
>
> - bthost_add_l2cap_server(bthost, 0x0003, NULL, NULL);
> + bthost_add_l2cap_server(bthost, 0x0003, NULL, NULL, NULL);
> bthost_add_rfcomm_server(bthost, cli->server_channel,
> rfcomm_connect_cb, NULL);
>
> --
> 2.26.2.526.g744177e7f7-goog
Applied, thanks. Btw do you want me to apply the HID patch or do you
have an update to that?
--
Luiz Augusto von Dentz
