2017-11-21 07:08:48

by Stotland, Inga

[permalink] [raw]
Subject: [PATCH BlueZ] mesh: validate configuration target

Require obtaining node composition prior to sending configuration
commands that assume knowledge about the node's element/model layout.
---
mesh/config-client.c | 31 +++++++++++++++++++++++++------
1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/mesh/config-client.c b/mesh/config-client.c
index d80f784e6..782781602 100644
--- a/mesh/config-client.c
+++ b/mesh/config-client.c
@@ -461,16 +461,37 @@ static void cmd_del_app_key(const char *args)
cmd_app_key(args, OP_APPKEY_DELETE);
}

+static bool verify_config_target(uint32_t dst)
+{
+ struct mesh_node *node;
+
+ if (IS_UNASSIGNED(dst)) {
+ rl_printf("Destination not set\n");
+ return false;
+ }
+
+ node = node_find_by_addr(dst);
+ if (!node) {
+ rl_printf("Node with unicast address %4.4x unknown\n", dst);
+ return false;
+ }
+
+ if (!node_get_composition(node)) {
+ rl_printf("Node composition for %4.4x unknown\n", dst);
+ return false;
+ }
+
+ return true;
+}
+
static void cmd_bind(const char *args)
{
uint16_t n;
uint8_t msg[32];
int parm_cnt;

- if (IS_UNASSIGNED(target)) {
- rl_printf("Destination not set\n");
+ if (!verify_config_target(target))
return;
- }

parm_cnt = read_input_parameters(args);
if (parm_cnt != 3 && parm_cnt != 4) {
@@ -529,10 +550,8 @@ static void cmd_set_pub(const char *args)
uint8_t msg[32];
int parm_cnt;

- if (IS_UNASSIGNED(target)) {
- rl_printf("Destination not set\n");
+ if (!verify_config_target(target))
return;
- }

n = mesh_opcode_set(OP_CONFIG_MODEL_PUB_SET, msg);

--
2.13.6



2017-11-23 10:19:41

by Luiz Augusto von Dentz

[permalink] [raw]
Subject: Re: [PATCH BlueZ] mesh: validate configuration target

Hi Inga,

On Tue, Nov 21, 2017 at 9:08 AM, Inga Stotland <[email protected]> wrote:
> Require obtaining node composition prior to sending configuration
> commands that assume knowledge about the node's element/model layout.
> ---
> mesh/config-client.c | 31 +++++++++++++++++++++++++------
> 1 file changed, 25 insertions(+), 6 deletions(-)
>
> diff --git a/mesh/config-client.c b/mesh/config-client.c
> index d80f784e6..782781602 100644
> --- a/mesh/config-client.c
> +++ b/mesh/config-client.c
> @@ -461,16 +461,37 @@ static void cmd_del_app_key(const char *args)
> cmd_app_key(args, OP_APPKEY_DELETE);
> }
>
> +static bool verify_config_target(uint32_t dst)
> +{
> + struct mesh_node *node;
> +
> + if (IS_UNASSIGNED(dst)) {
> + rl_printf("Destination not set\n");
> + return false;
> + }
> +
> + node = node_find_by_addr(dst);
> + if (!node) {
> + rl_printf("Node with unicast address %4.4x unknown\n", dst);
> + return false;
> + }
> +
> + if (!node_get_composition(node)) {
> + rl_printf("Node composition for %4.4x unknown\n", dst);
> + return false;
> + }
> +
> + return true;
> +}
> +
> static void cmd_bind(const char *args)
> {
> uint16_t n;
> uint8_t msg[32];
> int parm_cnt;
>
> - if (IS_UNASSIGNED(target)) {
> - rl_printf("Destination not set\n");
> + if (!verify_config_target(target))
> return;
> - }
>
> parm_cnt = read_input_parameters(args);
> if (parm_cnt != 3 && parm_cnt != 4) {
> @@ -529,10 +550,8 @@ static void cmd_set_pub(const char *args)
> uint8_t msg[32];
> int parm_cnt;
>
> - if (IS_UNASSIGNED(target)) {
> - rl_printf("Destination not set\n");
> + if (!verify_config_target(target))
> return;
> - }
>
> n = mesh_opcode_set(OP_CONFIG_MODEL_PUB_SET, msg);
>
> --
> 2.13.6

Applied, thanks.

--
Luiz Augusto von Dentz