240 lines
9.7 KiB
C
240 lines
9.7 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <jni.h>
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#include <sys/types.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <openssl/aes.h>
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#include <openssl/evp.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include "image.h"
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int registerNativeTgNetFunctions(JavaVM *vm, JNIEnv *env);
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jint JNI_OnLoad(JavaVM *vm, void *reserved) {
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JNIEnv *env = 0;
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srand(time(NULL));
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if ((*vm)->GetEnv(vm, (void **) &env, JNI_VERSION_1_6) != JNI_OK) {
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return -1;
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}
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if (imageOnJNILoad(vm, reserved, env) == -1) {
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return -1;
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}
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if (registerNativeTgNetFunctions(vm, env) != JNI_TRUE) {
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return -1;
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}
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return JNI_VERSION_1_6;
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}
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void JNI_OnUnload(JavaVM *vm, void *reserved) {
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}
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JNIEXPORT void Java_org_telegram_messenger_Utilities_aesIgeEncryption(JNIEnv *env, jclass class, jobject buffer, jbyteArray key, jbyteArray iv, jboolean encrypt, jint offset, jint length) {
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jbyte *what = (*env)->GetDirectBufferAddress(env, buffer) + offset;
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unsigned char *keyBuff = (unsigned char *)(*env)->GetByteArrayElements(env, key, NULL);
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unsigned char *ivBuff = (unsigned char *)(*env)->GetByteArrayElements(env, iv, NULL);
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AES_KEY akey;
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if (!encrypt) {
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AES_set_decrypt_key(keyBuff, 32 * 8, &akey);
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AES_ige_encrypt(what, what, length, &akey, ivBuff, AES_DECRYPT);
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} else {
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AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
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AES_ige_encrypt(what, what, length, &akey, ivBuff, AES_ENCRYPT);
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}
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(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, iv, ivBuff, 0);
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}
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JNIEXPORT jint Java_org_telegram_messenger_Utilities_pbkdf2(JNIEnv *env, jclass class, jbyteArray password, jbyteArray salt, jbyteArray dst, jint iterations) {
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jbyte *passwordBuff = (*env)->GetByteArrayElements(env, password, NULL);
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size_t passwordLength = (size_t) (*env)->GetArrayLength(env, password);
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jbyte *saltBuff = (*env)->GetByteArrayElements(env, salt, NULL);
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size_t saltLength = (size_t) (*env)->GetArrayLength(env, salt);
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jbyte *dstBuff = (*env)->GetByteArrayElements(env, dst, NULL);
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size_t dstLength = (size_t) (*env)->GetArrayLength(env, dst);
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int result = PKCS5_PBKDF2_HMAC((char *) passwordBuff, passwordLength, (uint8_t *) saltBuff, saltLength, (unsigned int) iterations, EVP_sha512(), dstLength, (uint8_t *) dstBuff);
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(*env)->ReleaseByteArrayElements(env, password, passwordBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, salt, saltBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, dst, dstBuff, 0);
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return result;
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}
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JNIEXPORT void Java_org_telegram_messenger_Utilities_aesCtrDecryption(JNIEnv *env, jclass class, jobject buffer, jbyteArray key, jbyteArray iv, jint offset, jint length) {
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jbyte *what = (*env)->GetDirectBufferAddress(env, buffer) + offset;
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unsigned char *keyBuff = (unsigned char *)(*env)->GetByteArrayElements(env, key, NULL);
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unsigned char *ivBuff = (unsigned char *)(*env)->GetByteArrayElements(env, iv, NULL);
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AES_KEY akey;
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unsigned int num = 0;
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uint8_t count[16];
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memset(count, 0, 16);
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AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
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AES_ctr128_encrypt(what, what, length, &akey, ivBuff, count, &num);
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(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
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}
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JNIEXPORT void Java_org_telegram_messenger_Utilities_aesCtrDecryptionByteArray(JNIEnv *env, jclass class, jbyteArray buffer, jbyteArray key, jbyteArray iv, jint offset, jint length, jint fileOffset) {
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unsigned char *bufferBuff = (unsigned char *) (*env)->GetByteArrayElements(env, buffer, NULL);
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unsigned char *keyBuff = (unsigned char *) (*env)->GetByteArrayElements(env, key, NULL);
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unsigned char *ivBuff = (unsigned char *) (*env)->GetByteArrayElements(env, iv, NULL);
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AES_KEY akey;
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uint8_t count[16];
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AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
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unsigned int num = (unsigned int) (fileOffset % 16);
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int o = fileOffset / 16;
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ivBuff[15] = (uint8_t) (o & 0xff);
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ivBuff[14] = (uint8_t) ((o >> 8) & 0xff);
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ivBuff[13] = (uint8_t) ((o >> 16) & 0xff);
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ivBuff[12] = (uint8_t) ((o >> 24) & 0xff);
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AES_encrypt(ivBuff, count, &akey);
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o = (fileOffset + 15) / 16;
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ivBuff[15] = (uint8_t) (o & 0xff);
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ivBuff[14] = (uint8_t) ((o >> 8) & 0xff);
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ivBuff[13] = (uint8_t) ((o >> 16) & 0xff);
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ivBuff[12] = (uint8_t) ((o >> 24) & 0xff);
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AES_ctr128_encrypt(bufferBuff + offset, bufferBuff + offset, length, &akey, ivBuff, count, &num);
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(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, buffer, bufferBuff, 0);
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}
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JNIEXPORT void Java_org_telegram_messenger_Utilities_aesCbcEncryptionByteArray(JNIEnv *env, jclass class, jbyteArray buffer, jbyteArray key, jbyteArray iv, jint offset, jint length, jint fileOffset, jint encrypt) {
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unsigned char *bufferBuff = (unsigned char *) (*env)->GetByteArrayElements(env, buffer, NULL);
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unsigned char *keyBuff = (unsigned char *) (*env)->GetByteArrayElements(env, key, NULL);
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unsigned char *ivBuff = (unsigned char *) (*env)->GetByteArrayElements(env, iv, NULL);
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AES_KEY akey;
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if (encrypt) {
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AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
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} else {
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AES_set_decrypt_key(keyBuff, 32 * 8, &akey);
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if (fileOffset != 0) {
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int o = (fileOffset + 15) / 16;
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ivBuff[15] = (uint8_t) (o & 0xff);
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ivBuff[14] = (uint8_t) ((o >> 8) & 0xff);
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ivBuff[13] = (uint8_t) ((o >> 16) & 0xff);
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ivBuff[12] = (uint8_t) ((o >> 24) & 0xff);
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}
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}
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AES_cbc_encrypt(bufferBuff, bufferBuff, length, &akey, ivBuff, encrypt);
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(*env)->ReleaseByteArrayElements(env, buffer, bufferBuff, 0);
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(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
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}
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JNIEXPORT void Java_org_telegram_messenger_Utilities_aesCbcEncryption(JNIEnv *env, jclass class, jobject buffer, jbyteArray key, jbyteArray iv, jint offset, jint length, jint encrypt) {
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unsigned char *bufferBuff = (*env)->GetDirectBufferAddress(env, buffer) + offset;
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unsigned char *keyBuff = (unsigned char *) (*env)->GetByteArrayElements(env, key, NULL);
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unsigned char *ivBuff = (unsigned char *) (*env)->GetByteArrayElements(env, iv, NULL);
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AES_KEY akey;
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if (encrypt) {
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AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
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} else {
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AES_set_decrypt_key(keyBuff, 32 * 8, &akey);
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}
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AES_cbc_encrypt(bufferBuff + offset, bufferBuff + offset, length, &akey, ivBuff, encrypt);
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(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
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(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
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}
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JNIEXPORT jstring Java_org_telegram_messenger_Utilities_readlink(JNIEnv *env, jclass class, jstring path) {
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static char buf[1000];
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const char *fileName = (*env)->GetStringUTFChars(env, path, NULL);
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ssize_t result = readlink(fileName, buf, 999);
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jstring value = 0;
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if (result != -1) {
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buf[result] = '\0';
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value = (*env)->NewStringUTF(env, buf);
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}
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(*env)->ReleaseStringUTFChars(env, path, fileName);
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return value;
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}
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int64_t listdir(const char *fileName, int32_t mode, int32_t docType, int64_t time) {
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int64_t value = 0;
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DIR *dir;
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struct stat attrib;
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if ((dir = opendir(fileName)) != NULL) {
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char buff[4096];
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struct dirent *entry;
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while ((entry = readdir(dir)) != NULL) {
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char *name = entry->d_name;
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size_t len = strlen(name);
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if (name[0] == '.') {
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continue;
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}
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if ((docType == 1 || docType == 2) && len > 4) {
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if (name[len - 4] == '.' && (
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((name[len - 3] == 'm' || name[len - 3] == 'M') && (name[len - 2] == 'p' || name[len - 2] == 'P') && (name[len - 1] == '3')) ||
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((name[len - 3] == 'm' || name[len - 3] == 'M') && (name[len - 2] == '4') && (name[len - 1] == 'a' || name[len - 1] == 'A'))
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)) {
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if (docType == 1) {
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continue;
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}
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} else if (docType == 2) {
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continue;
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}
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}
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strncpy(buff, fileName, 4095);
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strncat(buff, "/", 4095);
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strncat(buff, entry->d_name, 4095);
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if (entry->d_type == DT_DIR) {
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value += listdir(buff, mode, docType, time);
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} else {
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stat(buff, &attrib);
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if (mode == 0) {
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value += attrib.st_size;
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} else if (mode == 1) {
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if (attrib.st_atim.tv_sec != 0) {
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if (attrib.st_atim.tv_sec < time) {
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remove(buff);
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}
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} else {
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if (attrib.st_mtim.tv_sec < time) {
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remove(buff);
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}
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}
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}
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}
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}
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closedir(dir);
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}
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return value;
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}
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JNIEXPORT jlong Java_org_telegram_messenger_Utilities_getDirSize(JNIEnv *env, jclass class, jstring path, jint docType) {
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const char *fileName = (*env)->GetStringUTFChars(env, path, NULL);
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jlong value = listdir(fileName, 0, docType, 0);
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(*env)->ReleaseStringUTFChars(env, path, fileName);
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return value;
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}
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JNIEXPORT void Java_org_telegram_messenger_Utilities_clearDir(JNIEnv *env, jclass class, jstring path, jint docType, jlong time) {
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const char *fileName = (*env)->GetStringUTFChars(env, path, NULL);
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listdir(fileName, 1, docType, time);
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(*env)->ReleaseStringUTFChars(env, path, fileName);
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}
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