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Fixing several buffer overflow in parse_arguments in n64split #10

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Fixing several buffer overflow in parse_arguments in n64split #10

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14 changes: 11 additions & 3 deletions n64split.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2211,7 +2211,10 @@ static void parse_arguments(int argc, char *argv[], arg_config *config)
if (++i >= argc) {
print_usage();
}
strcpy(config->config_file, argv[i]);
// Unsecure
// strcpy(config->config_file, argv[i]);
// Secure version below
strncpy(config->config_file, argv[i], FILENAME_MAX);
break;
case 'k':
config->keep_going = true;
Expand All @@ -2223,7 +2226,10 @@ static void parse_arguments(int argc, char *argv[], arg_config *config)
if (++i >= argc) {
print_usage();
}
strcpy(config->output_dir, argv[i]);
//Unsecure (buffer overflow)
// strcpy(config->output_dir, argv[i]);
//Secure version below without buffer overflow
strncpy(config->output_dir, argv[i], FILENAME_MAX);
break;
case 'r':
config->raw_texture = true;
Expand All @@ -2250,7 +2256,9 @@ static void parse_arguments(int argc, char *argv[], arg_config *config)
}
} else {
if (file_count == 0) {
strcpy(config->input_file, argv[i]);
// strcpy(config->input_file, argv[i]);
//Secure version without buffer overflow
strncpy(config->input_file, argv[i], FILENAME_MAX);
} else {
// too many
print_usage();
Expand Down