gfwleak/tango-maat
Archived
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[feature]verify regex expression

Browse Source
This commit is contained in:
liuwentan
2023-05-09 17:45:43 +08:00
parent 4540321998
commit e97adb8b97
11 changed files with 262 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
test/adapter_hs_gtest.cpp
View File

@@ -79,6 +79,21 @@ static size_t hex2bin(char *hex, int hex_len, char *binary, size_t size)
return resultlen;
}
enum hs_pattern_type pattern_type_str_to_enum(const char *str)
{
enum hs_pattern_type pattern_type = HS_PATTERN_TYPE_MAX;
if (strcmp(str, "regex") == 0) {
pattern_type = HS_PATTERN_TYPE_REG;
} else if (strcmp(str, "literal") == 0) {
pattern_type = HS_PATTERN_TYPE_STR;
} else {
assert(0);
}
return pattern_type;
}
int parse_config_file(const char *filename, struct expr_rule exprs[], size_t *n_expr)
{
unsigned char *json_buff = NULL;
@@ -129,7 +144,13 @@ int parse_config_file(const char *filename, struct expr_rule exprs[], size_t *n_
size_t pattern_cnt = cJSON_GetArraySize(tmp_item);
for (size_t j = 0; j < pattern_cnt; j++) {
cJSON *pat_item = cJSON_GetArrayItem(tmp_item, j);
cJSON *item = cJSON_GetObjectItem(pat_item, "match_method");
cJSON *item = cJSON_GetObjectItem(pat_item, "pattern_type");
if (item != NULL && item->type == cJSON_String) {
exprs[i].patterns[j].pattern_type = pattern_type_str_to_enum(item->valuestring);
}
item = cJSON_GetObjectItem(pat_item, "match_method");
if (item != NULL && item->type == cJSON_String) {
exprs[i].patterns[j].match_mode = match_method_to_match_mode(item->valuestring);
}
@@ -146,7 +167,7 @@ int parse_config_file(const char *filename, struct expr_rule exprs[], size_t *n_
item = cJSON_GetObjectItem(pat_item, "pattern");
if (item != NULL && item->type == cJSON_String) {
exprs[i].patterns[j].pat = ALLOC(char, strlen(item->valuestring));
exprs[i].patterns[j].pat = ALLOC(char, strlen(item->valuestring) + 1);
if (exprs[i].patterns[j].is_hexbin == 1) {
size_t pat_str_len = strlen(item->valuestring) + 1;
@@ -678,6 +699,23 @@ that the edges be all directed in the same direction.";
hs_instance = NULL;
}
TEST(adapter_hs_scan, regex_expression_check)
{
struct expr_rule rules[64] = {0};
size_t n_rule = 0;
int ret = parse_config_file("./regex_expr.conf", rules, &n_rule);
EXPECT_EQ(ret, 0);
for (size_t i = 0; i < n_rule; i++) {
for (size_t j = 0; j < rules[i].n_patterns; j++) {
adapter_hs_verify_regex_expression(rules[i].patterns[j].pat, g_logger);
}
}
expr_array_free(rules, n_rule);
}
int main(int argc, char **argv)
{
int ret = 0;