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* [PATCH] android/handsfree-client: Verify variable length data received from IPC
@ 2014-09-26 10:04 Jakub Tyszkowski
  2014-09-26 10:28 ` Szymon Janc
  0 siblings, 1 reply; 2+ messages in thread
From: Jakub Tyszkowski @ 2014-09-26 10:04 UTC (permalink / raw)
  To: linux-bluetooth; +Cc: Jakub Tyszkowski

Dial uses variable length data, check if we received as much as was
declared. This fixes two negative ipc-tester cases for hfp-client dial
api call not passing.
---
 android/handsfree-client.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/android/handsfree-client.c b/android/handsfree-client.c
index be29952..773ef76 100644
--- a/android/handsfree-client.c
+++ b/android/handsfree-client.c
@@ -97,6 +97,15 @@ static void handle_volume_control(const void *buf, uint16_t len)
 
 static void handle_dial(const void *buf, uint16_t len)
 {
+	const struct hal_cmd_hf_client_dial *cmd = buf;
+
+	if (len != sizeof(*cmd) + cmd->number_len) {
+		error("Malformed number data, size (%u bytes), terminating",
+									len);
+		raise(SIGTERM);
+		return;
+	}
+
 	DBG("Not Implemented");
 	ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
 				HAL_OP_HF_CLIENT_DIAL, HAL_STATUS_UNSUPPORTED);
-- 
1.9.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] android/handsfree-client: Verify variable length data received from IPC
  2014-09-26 10:04 [PATCH] android/handsfree-client: Verify variable length data received from IPC Jakub Tyszkowski
@ 2014-09-26 10:28 ` Szymon Janc
  0 siblings, 0 replies; 2+ messages in thread
From: Szymon Janc @ 2014-09-26 10:28 UTC (permalink / raw)
  To: Jakub Tyszkowski; +Cc: linux-bluetooth

Hi Jakub,

On Friday 26 of September 2014 12:04:15 Jakub Tyszkowski wrote:
> Dial uses variable length data, check if we received as much as was
> declared. This fixes two negative ipc-tester cases for hfp-client dial
> api call not passing.
> ---
>  android/handsfree-client.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/android/handsfree-client.c b/android/handsfree-client.c
> index be29952..773ef76 100644
> --- a/android/handsfree-client.c
> +++ b/android/handsfree-client.c
> @@ -97,6 +97,15 @@ static void handle_volume_control(const void *buf, uint16_t len)
>  
>  static void handle_dial(const void *buf, uint16_t len)
>  {
> +	const struct hal_cmd_hf_client_dial *cmd = buf;
> +
> +	if (len != sizeof(*cmd) + cmd->number_len) {
> +		error("Malformed number data, size (%u bytes), terminating",
> +									len);
> +		raise(SIGTERM);
> +		return;
> +	}
> +
>  	DBG("Not Implemented");
>  	ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT,
>  				HAL_OP_HF_CLIENT_DIAL, HAL_STATUS_UNSUPPORTED);
> 

Applied. Thanks.

-- 
Best regards, 
Szymon Janc

^ permalink raw reply	[flat|nested] 2+ messages in thread

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