Add model file size mismatch check and update version to 0.14

- Added a check to verify model file size matches original data size and report errors
- Fix buffer overflow in `read_file_data` when file size exceeds `buf_size`
- Updated version to 0.14

CHANGELOG.md

 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [0.14] - 16-01-2025
+### Added
+- check for model file size mismatch errors
+
 ## [0.13] - 08-11-2024
 ### Added
 - added chunk-specific compression parameter guessing functionality

meson.build

 project('cmp_tool', 'c',
-  version : '0.13',
+  version : '0.14',
   meson_version : '>= 0.63',
   license : 'GPL-2.0',
   default_options : [

programs/cmp_io.c

@@ -1446,10 +1446,10 @@ ssize_t read_file_data(const char *file_name, enum cmp_type cmp_type,
 
 	switch (cmp_type) {
 	case CMP_TYPE_RDCU:
-		err = be_to_cpu_data_type(buf, (uint32_t)size, DATA_TYPE_IMAGETTE);
+		err = be_to_cpu_data_type(buf, buf_size, DATA_TYPE_IMAGETTE);
 		break;
 	case CMP_TYPE_CHUNK:
-		err = be_to_cpu_chunk(buf, (uint32_t)size);
+		err = be_to_cpu_chunk(buf, buf_size);
 		break;
 	case CMP_TYPE_ERROR:
 	default:

programs/cmp_tool.c

@@ -511,6 +511,11 @@ int main(int argc, char **argv)
 				      model_size, io_flags);
 		if (size < 0)
 			goto fail;
+		if (size != (ssize_t)model_size) {
+			fprintf(stderr, "%s: %s: Error: Model file size does not match original data size.\n", PROGRAM_NAME, model_file_name);
+			goto fail;
+		}
+
 		printf("DONE\n");
 
 		rcfg.model_buf = input_model_buf;

test/cmp_tool/cmp_tool_integration_test.py

@@ -1331,6 +1331,33 @@ def test_model_fiel_erros():
         del_file(output_prefix+"_upmodel.dat")
 
 
+def test_decmp_model_fiel_original_size_miss_match():
+    cmp_data = b'8000000d000029000004097ce800cbd5097ce800cbfe00010108d01001000000001001001110078700'
+    to_large_model = b'111111111111' # should be 4 byte large in normal case
+    output_prefix = 'model_file_to_large'
+    cmp_data_file_name = 'binary_cmp_data.cmp'
+    model_file_name = 'to_large_model.dat'
+
+    try:
+        with open(cmp_data_file_name, 'wb') as f:
+            f.write(bytes.fromhex(cmp_data.decode()))
+
+        with open(model_file_name, 'wb') as f:
+            f.write(bytes.fromhex(to_large_model.decode()))
+
+        returncode, stdout, stderr = call_cmp_tool(
+            " --binary -d "+cmp_data_file_name + " -m " + model_file_name + " -o "+output_prefix)
+        assert(returncode == EXIT_FAILURE)
+        assert(stdout == CMP_START_STR_DECMP +
+               "Importing compressed data file %s ... DONE\n" % (cmp_data_file_name) +
+               "Importing model file %s ... FAILED\n" % (model_file_name))
+        assert(stderr == "cmp_tool: %s: Error: Model file size does not match original data size.\n" % (model_file_name))
+
+    finally:
+        del_file(cmp_data_file_name)
+        del_file(model_file_name)
+
+
 def test_rdcu_pkt():
     # generate test data
     data = '00 01 00 02 00 03 00 04 00 05 \n'