gfwleak/zhuzhenjun-libosfp
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v0.0.5

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zhuzhenjun
2023-10-09 15:23:31 +08:00
parent 1a559eba99
commit 56e3dec5f0
29 changed files with 433055 additions and 184 deletions
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71
src/osfp.c
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@@ -33,24 +33,18 @@ static struct osfp_result *osfp_result_build(struct osfp_os_class_score *os_clas
likely_score = tmp_score;
likely_os_class = i;
}
result->detail.scores[i] = tmp_score;
result->details[i].score = tmp_score;
sum_score += tmp_score;
}
if (sum_score) {
for (i = 0; i < OSFP_OS_CLASS_MAX; i++) {
result->detail.possibility[i] = OSFP_PERCENTILE * result->detail.scores[i] / sum_score;
result->details[i].possibility = OSFP_PERCENTILE * result->details[i].score / sum_score;
}
}
result->likely_score = likely_score;
result->likely_os_class = likely_os_class;
result->likely_possibility = result->detail.possibility[likely_os_class];
if (likely_score < OSFP_LOWEST_SCORE_LIMIT) {
result->likely_os_class = OSFP_OS_CLASS_OTHERS;
result->likely_score = 0;
result->likely_possibility = 0;
likely_os_class = OSFP_OS_CLASS_OTHERS;
} else {
for (i = 0; i < OSFP_OS_CLASS_MAX; i++) {
if (likely_os_class == i) {
@@ -62,15 +56,15 @@ static struct osfp_result *osfp_result_build(struct osfp_os_class_score *os_clas
} else if (likely_os_class == OSFP_OS_CLASS_MAC_OS && i == OSFP_OS_CLASS_IOS) {
continue;
} else {
result->likely_os_class = OSFP_OS_CLASS_UNKNOWN;
result->likely_score = 0;
result->likely_possibility = 0;
likely_os_class = OSFP_OS_CLASS_UNKNOWN;
break;
}
}
}
}
result->likely_os_class = likely_os_class;
return result;
exit:
return NULL;
@@ -95,6 +89,7 @@ const char *osfp_result_os_name_get(struct osfp_result *result)
char *osfp_result_score_detail_export(struct osfp_result *result)
{
int i;
char *result_str = NULL;
cJSON *root = NULL;
cJSON *array;
cJSON *os_score;
@@ -104,6 +99,7 @@ char *osfp_result_score_detail_export(struct osfp_result *result)
}
if (result->json_str != NULL) {
result_str = result->json_str;
goto exit;
}
@@ -115,37 +111,35 @@ char *osfp_result_score_detail_export(struct osfp_result *result)
os_score = cJSON_AddObjectToObject(root, "likely");
if (os_score) {
cJSON_AddStringToObject(os_score, "name", osfp_os_class_id_to_name(result->likely_os_class));
cJSON_AddNumberToObject(os_score, "score", result->likely_score);
//cJSON_AddNumberToObject(os_score, "possibility", result->likely_possibility);
cJSON_AddNumberToObject(os_score, "score", result->details[result->likely_os_class].score);
//cJSON_AddNumberToObject(os_score, "possibility", result->details[result->likely_os_class].possibility);
}
array = cJSON_AddArrayToObject(root, "detail");
array = cJSON_AddArrayToObject(root, "details");
if (array) {
for (i = OSFP_OS_CLASS_WINDOWS; i < OSFP_OS_CLASS_OTHERS; i++) {
os_score = cJSON_CreateObject();
if (os_score) {
cJSON_AddStringToObject(os_score, "name", osfp_os_class_id_to_name(i));
cJSON_AddNumberToObject(os_score, "score", result->detail.scores[i]);
//cJSON_AddNumberToObject(os_score, "possibility", result->detail.possibility[i]);
cJSON_AddNumberToObject(os_score, "score", result->details[i].score);
//cJSON_AddNumberToObject(os_score, "possibility", result->details[i].possibility);
cJSON_AddItemToArray(array, os_score);
}
}
}
result->json_str = malloc(OSFP_DEFAULT_RESULT_BUFLEN_MAX);
if (result->json_str == NULL) {
result_str = cJSON_Print(root);
if (result_str == NULL) {
goto exit;
}
if (!cJSON_PrintPreallocated(root, result->json_str, OSFP_DEFAULT_RESULT_BUFLEN_MAX, 1)) {
goto exit;
}
result->json_str = result_str;
exit:
if (root) {
cJSON_Delete(root);
}
return result->json_str;
return result_str;
}
void osfp_result_free(struct osfp_result *result)
@@ -220,6 +214,37 @@ exit:
return NULL;
}
struct osfp_result *osfp_json_identify(struct osfp_db *db, const char *json_str)
{
int ret = OSFP_EINVAL;
struct osfp_fingerprint fp;
struct osfp_os_class_score os_class_score;
struct osfp_result *result;
if (db == NULL) {
goto exit;
}
ret = osfp_fingerprint_from_json(&fp, json_str);
if (ret != 0) {
goto exit;
}
ret = osfp_score_db_score(db->score_db, 0, &fp, &os_class_score);
if (ret != 0) {
goto exit;
}
result = osfp_result_build(&os_class_score);
if (result == NULL) {
goto exit;
}
return result;
exit:
return NULL;
}
struct osfp_db *osfp_db_new(const char *db_json_file)
{
int ret;