[PATCH 2/3] tee: optee: Add support for session login client UUID generation

From: Vesa JÃÃskelÃinen
Date: Thu Apr 23 2020 - 11:24:24 EST


Adds support for client UUID generation for OP-TEE. For group based session
logins membership is verified.

Signed-off-by: Vesa JÃÃskelÃinen <vesa.jaaskelainen@xxxxxxxxxxx>
---
drivers/tee/optee/call.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c
index cf2367ba08d6..dbed3f480dc0 100644
--- a/drivers/tee/optee/call.c
+++ b/drivers/tee/optee/call.c
@@ -233,9 +233,13 @@ int optee_open_session(struct tee_context *ctx,
msg_arg->params[1].attr = OPTEE_MSG_ATTR_TYPE_VALUE_INPUT |
OPTEE_MSG_ATTR_META;
memcpy(&msg_arg->params[0].u.value, arg->uuid, sizeof(arg->uuid));
- memcpy(&msg_arg->params[1].u.value, arg->uuid, sizeof(arg->clnt_uuid));
msg_arg->params[1].u.value.c = arg->clnt_login;

+ rc = tee_session_calc_client_uuid((uuid_t *)&msg_arg->params[1].u.value,
+ arg->clnt_login, arg->clnt_uuid);
+ if (rc)
+ goto out;
+
rc = optee_to_msg_param(msg_arg->params + 2, arg->num_params, param);
if (rc)
goto out;
--
2.17.1