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authorjeff <jhatch@multitech.com>2023-01-24 09:37:57 -0600
committerjeff <jhatch@multitech.com>2023-01-24 09:37:57 -0600
commitc94c9986362ebf4084734a3963415c5d894cf3a6 (patch)
tree1f5d79df115e23318d93bfc9e99dddecf9be8748 /recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch
parent8400520cffdd3c133c684eac60ab438a7ecaa050 (diff)
parent2eaa3fd064097eb221b56d5df0e7136ba705a0cd (diff)
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Merge branch 'md/cve-fixes2-squashed' into 6
Diffstat (limited to 'recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch')
-rw-r--r--recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch b/recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch
new file mode 100644
index 0000000..069f4f2
--- /dev/null
+++ b/recipes-support/libmodbus/libmodbus/libmodbus_send_raw_message_tid.patch
@@ -0,0 +1,37 @@
+diff --git a/src/modbus.c b/src/modbus.c
+index 68a28a3..4810cfe 100644
+--- a/src/modbus.c
++++ b/src/modbus.c
+@@ -208,6 +208,11 @@ static int send_msg(modbus_t *ctx, uint8_t *msg, int msg_length)
+ }
+
+ int modbus_send_raw_request(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length)
++{
++ return modbus_send_raw_request_tid(ctx, raw_req, raw_req_length, 0);
++}
++
++int modbus_send_raw_request_tid(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length, int tid)
+ {
+ sft_t sft;
+ uint8_t req[MAX_MESSAGE_LENGTH];
+@@ -229,7 +234,7 @@ int modbus_send_raw_request(modbus_t *ctx, const uint8_t *raw_req, int raw_req_l
+ sft.slave = raw_req[0];
+ sft.function = raw_req[1];
+ /* The t_id is left to zero */
+- sft.t_id = 0;
++ sft.t_id = tid;
+ /* This response function only set the header so it's convenient here */
+ req_length = ctx->backend->build_response_basis(&sft, req);
+
+diff --git a/src/modbus.h b/src/modbus.h
+index fbe20bc..8b3c675 100644
+--- a/src/modbus.h
++++ b/src/modbus.h
+@@ -228,6 +228,7 @@ MODBUS_API modbus_mapping_t* modbus_mapping_new(int nb_bits, int nb_input_bits,
+ MODBUS_API void modbus_mapping_free(modbus_mapping_t *mb_mapping);
+
+ MODBUS_API int modbus_send_raw_request(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length);
++MODBUS_API int modbus_send_raw_request_tid(modbus_t *ctx, const uint8_t *raw_req, int raw_req_length, int tid);
+
+ MODBUS_API int modbus_receive(modbus_t *ctx, uint8_t *req);
+