Telegram-Android/TMessagesProj/jni/jni.c
2023-03-14 02:39:50 +04:00

290 lines
13 KiB
C

#include <stdio.h>
#include <string.h>
#include <jni.h>
#include <sys/types.h>
#include <inttypes.h>
#include <stdlib.h>
#include <openssl/aes.h>
#include <openssl/evp.h>
#include <unistd.h>
#include <dirent.h>
#include <sys/stat.h>
int registerNativeTgNetFunctions(JavaVM *vm, JNIEnv *env);
int videoOnJNILoad(JavaVM *vm, JNIEnv *env);
int imageOnJNILoad(JavaVM *vm, JNIEnv *env);
int tgvoipOnJNILoad(JavaVM *vm, JNIEnv *env);
jint JNI_OnLoad(JavaVM *vm, void *reserved) {
JNIEnv *env = 0;
srand(time(NULL));
if ((*vm)->GetEnv(vm, (void **) &env, JNI_VERSION_1_6) != JNI_OK) {
return -1;
}
if (imageOnJNILoad(vm, env) != JNI_TRUE) {
return -1;
}
if (videoOnJNILoad(vm, env) != JNI_TRUE) {
return -1;
}
if (registerNativeTgNetFunctions(vm, env) != JNI_TRUE) {
return -1;
}
tgvoipOnJNILoad(vm, env);
return JNI_VERSION_1_6;
}
void JNI_OnUnload(JavaVM *vm, void *reserved) {
}
JNIEXPORT void Java_org_telegram_messenger_Utilities_aesIgeEncryption(JNIEnv *env, jclass class, jobject buffer, jbyteArray key, jbyteArray iv, jboolean encrypt, jint offset, jint length) {
jbyte *what = (*env)->GetDirectBufferAddress(env, buffer) + offset;
unsigned char *keyBuff = (unsigned char *)(*env)->GetByteArrayElements(env, key, NULL);
unsigned char *ivBuff = (unsigned char *)(*env)->GetByteArrayElements(env, iv, NULL);
AES_KEY akey;
if (!encrypt) {
AES_set_decrypt_key(keyBuff, 32 * 8, &akey);
AES_ige_encrypt(what, what, length, &akey, ivBuff, AES_DECRYPT);
} else {
AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
AES_ige_encrypt(what, what, length, &akey, ivBuff, AES_ENCRYPT);
}
(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, iv, ivBuff, 0);
}
JNIEXPORT void Java_org_telegram_messenger_Utilities_aesIgeEncryptionByteArray(JNIEnv *env, jclass class, jbyteArray buffer, jbyteArray key, jbyteArray iv, jboolean encrypt, jint offset, jint length) {
unsigned char *bufferBuff = (unsigned char *) (*env)->GetByteArrayElements(env, buffer, NULL);
unsigned char *keyBuff = (unsigned char *) (*env)->GetByteArrayElements(env, key, NULL);
unsigned char *ivBuff = (unsigned char *) (*env)->GetByteArrayElements(env, iv, NULL);
AES_KEY akey;
if (!encrypt) {
AES_set_decrypt_key(keyBuff, 32 * 8, &akey);
AES_ige_encrypt(bufferBuff, bufferBuff, length, &akey, ivBuff, AES_DECRYPT);
} else {
AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
AES_ige_encrypt(bufferBuff, bufferBuff, length, &akey, ivBuff, AES_ENCRYPT);
}
(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, iv, ivBuff, 0);
(*env)->ReleaseByteArrayElements(env, buffer, bufferBuff, 0);
}
JNIEXPORT jint Java_org_telegram_messenger_Utilities_pbkdf2(JNIEnv *env, jclass class, jbyteArray password, jbyteArray salt, jbyteArray dst, jint iterations) {
jbyte *passwordBuff = (*env)->GetByteArrayElements(env, password, NULL);
size_t passwordLength = (size_t) (*env)->GetArrayLength(env, password);
jbyte *saltBuff = (*env)->GetByteArrayElements(env, salt, NULL);
size_t saltLength = (size_t) (*env)->GetArrayLength(env, salt);
jbyte *dstBuff = (*env)->GetByteArrayElements(env, dst, NULL);
size_t dstLength = (size_t) (*env)->GetArrayLength(env, dst);
int result = PKCS5_PBKDF2_HMAC((char *) passwordBuff, passwordLength, (uint8_t *) saltBuff, saltLength, (unsigned int) iterations, EVP_sha512(), dstLength, (uint8_t *) dstBuff);
(*env)->ReleaseByteArrayElements(env, password, passwordBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, salt, saltBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, dst, dstBuff, 0);
return result;
}
JNIEXPORT void Java_org_telegram_messenger_Utilities_aesCtrDecryption(JNIEnv *env, jclass class, jobject buffer, jbyteArray key, jbyteArray iv, jint offset, jint length) {
jbyte *what = (*env)->GetDirectBufferAddress(env, buffer) + offset;
unsigned char *keyBuff = (unsigned char *)(*env)->GetByteArrayElements(env, key, NULL);
unsigned char *ivBuff = (unsigned char *)(*env)->GetByteArrayElements(env, iv, NULL);
AES_KEY akey;
unsigned int num = 0;
uint8_t count[16];
memset(count, 0, 16);
AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
AES_ctr128_encrypt(what, what, length, &akey, ivBuff, count, &num);
(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
}
JNIEXPORT void Java_org_telegram_messenger_Utilities_aesCtrDecryptionByteArray(JNIEnv *env, jclass class, jbyteArray buffer, jbyteArray key, jbyteArray iv, jint offset, jlong length, jint fileOffset) {
unsigned char *bufferBuff = (unsigned char *) (*env)->GetByteArrayElements(env, buffer, NULL);
unsigned char *keyBuff = (unsigned char *) (*env)->GetByteArrayElements(env, key, NULL);
unsigned char *ivBuff = (unsigned char *) (*env)->GetByteArrayElements(env, iv, NULL);
AES_KEY akey;
uint8_t count[16];
AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
unsigned int num = (unsigned int) (fileOffset % 16);
int o = fileOffset / 16;
ivBuff[15] = (uint8_t) (o & 0xff);
ivBuff[14] = (uint8_t) ((o >> 8) & 0xff);
ivBuff[13] = (uint8_t) ((o >> 16) & 0xff);
ivBuff[12] = (uint8_t) ((o >> 24) & 0xff);
AES_encrypt(ivBuff, count, &akey);
o = (fileOffset + 15) / 16;
ivBuff[15] = (uint8_t) (o & 0xff);
ivBuff[14] = (uint8_t) ((o >> 8) & 0xff);
ivBuff[13] = (uint8_t) ((o >> 16) & 0xff);
ivBuff[12] = (uint8_t) ((o >> 24) & 0xff);
AES_ctr128_encrypt(bufferBuff + offset, bufferBuff + offset, length, &akey, ivBuff, count, &num);
(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, buffer, bufferBuff, 0);
}
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) {
unsigned char *bufferBuff = (unsigned char *) (*env)->GetByteArrayElements(env, buffer, NULL);
unsigned char *keyBuff = (unsigned char *) (*env)->GetByteArrayElements(env, key, NULL);
unsigned char *ivBuff = (unsigned char *) (*env)->GetByteArrayElements(env, iv, NULL);
AES_KEY akey;
if (encrypt) {
AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
} else {
AES_set_decrypt_key(keyBuff, 32 * 8, &akey);
if (fileOffset != 0) {
int o = (fileOffset + 15) / 16;
ivBuff[15] = (uint8_t) (o & 0xff);
ivBuff[14] = (uint8_t) ((o >> 8) & 0xff);
ivBuff[13] = (uint8_t) ((o >> 16) & 0xff);
ivBuff[12] = (uint8_t) ((o >> 24) & 0xff);
}
}
AES_cbc_encrypt(bufferBuff, bufferBuff, length, &akey, ivBuff, encrypt);
(*env)->ReleaseByteArrayElements(env, buffer, bufferBuff, 0);
(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
}
JNIEXPORT void Java_org_telegram_messenger_Utilities_aesCbcEncryption(JNIEnv *env, jclass class, jobject buffer, jbyteArray key, jbyteArray iv, jint offset, jint length, jint encrypt) {
unsigned char *bufferBuff = (*env)->GetDirectBufferAddress(env, buffer) + offset;
unsigned char *keyBuff = (unsigned char *) (*env)->GetByteArrayElements(env, key, NULL);
unsigned char *ivBuff = (unsigned char *) (*env)->GetByteArrayElements(env, iv, NULL);
AES_KEY akey;
if (encrypt) {
AES_set_encrypt_key(keyBuff, 32 * 8, &akey);
} else {
AES_set_decrypt_key(keyBuff, 32 * 8, &akey);
}
AES_cbc_encrypt(bufferBuff + offset, bufferBuff + offset, length, &akey, ivBuff, encrypt);
(*env)->ReleaseByteArrayElements(env, key, keyBuff, JNI_ABORT);
(*env)->ReleaseByteArrayElements(env, iv, ivBuff, JNI_ABORT);
}
#define LISTDIR_DOCTYPE_ALL 0
#define LISTDIR_DOCTYPE_OTHER_THAN_MUSIC 1
#define LISTDIR_DOCTYPE_MUSIC 2
#define LISTDIR_DOCTYPE2_EMOJI 3
#define LISTDIR_DOCTYPE2_TEMP 4
#define LISTDIR_DOCTYPE2_OTHER 5
int64_t listdir(const char *fileName, int32_t mode, int32_t docType, int64_t time, uint8_t subdirs) {
int64_t value = 0;
DIR *dir;
struct stat attrib;
if ((dir = opendir(fileName)) != NULL) {
char buff[4096];
struct dirent *entry;
while ((entry = readdir(dir)) != NULL) {
char *name = entry->d_name;
size_t len = strlen(name);
if (name[0] == '.') {
continue;
}
if (docType > 0 && len > 4) {
int isMusic = (
name[len - 4] == '.' && (
((name[len - 3] == 'm' || name[len - 3] == 'M') && (name[len - 2] == 'p' || name[len - 2] == 'P') && (name[len - 1] == '3')) || // mp3
((name[len - 3] == 'm' || name[len - 3] == 'M') && (name[len - 2] == '4') && (name[len - 1] == 'a' || name[len - 1] == 'A')) // m4a
));
int isEmoji = (
name[len - 4] == '.' && (name[len - 3] == 't' || name[len - 3] == 'T') && (name[len - 2] == 'g' || name[len - 2] == 'G') && (name[len - 1] == 's' || name[len - 1] == 'S') || // tgs
len > 5 && name[len - 5] == '.' && (name[len - 4] == 'w' || name[len - 4] == 'W') && (name[len - 3] == 'e' || name[len - 3] == 'E') && (name[len - 2] == 'b' || name[len - 2] == 'B') && (name[len - 1] == 'm' || name[len - 1] == 'M') // webm
);
int isTemp = (
name[len - 4] == '.' && (name[len - 3] == 't' || name[len - 3] == 'T') && (name[len - 2] == 'm' || name[len - 2] == 'M') && (name[len - 1] == 'p' || name[len - 1] == 'P') || // tmp
len > 5 && name[len - 5] == '.' && (name[len - 4] == 't' || name[len - 4] == 'T') && (name[len - 3] == 'e' || name[len - 3] == 'E') && (name[len - 2] == 'm' || name[len - 2] == 'M') && (name[len - 1] == 'p' || name[len - 1] == 'P') || // temp
len > 8 && name[len - 8] == '.' && (name[len - 7] == 'p' || name[len - 7] == 'P') && (name[len - 6] == 'r' || name[len - 6] == 'R') && (name[len - 5] == 'e' || name[len - 5] == 'E') && (name[len - 4] == 'l' || name[len - 4] == 'L') && (name[len - 3] == 'o' || name[len - 3] == 'O') && (name[len - 2] == 'a' || name[len - 2] == 'A') && (name[len - 1] == 'd' || name[len - 1] == 'D') // preload
);
if (
isMusic && docType == LISTDIR_DOCTYPE_OTHER_THAN_MUSIC ||
!isMusic && docType == LISTDIR_DOCTYPE_MUSIC ||
isEmoji && docType == LISTDIR_DOCTYPE2_OTHER ||
!isEmoji && docType == LISTDIR_DOCTYPE2_EMOJI ||
isTemp && docType == LISTDIR_DOCTYPE2_OTHER ||
!isTemp && docType == LISTDIR_DOCTYPE2_TEMP
) {
continue;
}
}
strncpy(buff, fileName, 4095);
strncat(buff, "/", 4095);
strncat(buff, entry->d_name, 4095);
if (entry->d_type == DT_DIR) {
if (subdirs) {
value += listdir(buff, mode, docType, time, subdirs);
}
} else {
int rc = stat(buff, &attrib);
if (mode == 0) {
value += rc == 0 ? attrib.st_size : 0;
} else if (mode == 1) {
if (attrib.st_atim.tv_sec != 0) {
if (attrib.st_atim.tv_sec < time) {
remove(buff);
}
} else {
if (attrib.st_mtim.tv_sec < time) {
remove(buff);
}
}
}
}
}
closedir(dir);
}
return value;
}
JNIEXPORT jlong Java_org_telegram_messenger_Utilities_getDirSize(JNIEnv *env, jclass class, jstring path, jint docType, jboolean subdirs) {
const char *fileName = (*env)->GetStringUTFChars(env, path, NULL);
jlong value = listdir(fileName, 0, docType, 0, subdirs);
(*env)->ReleaseStringUTFChars(env, path, fileName);
return value;
}
JNIEXPORT jlong Java_org_telegram_messenger_Utilities_getLastUsageFileTime(JNIEnv *env, jclass class, jstring path) {
const char *fileName = (*env)->GetStringUTFChars(env, path, NULL);
struct stat attrib;
stat(fileName, &attrib);
jlong value;
if (attrib.st_atim.tv_sec != 0) {
value = attrib.st_atim.tv_sec;
} else {
value = attrib.st_mtim.tv_sec;
}
(*env)->ReleaseStringUTFChars(env, path, fileName);
return value;
}
JNIEXPORT void Java_org_telegram_messenger_Utilities_clearDir(JNIEnv *env, jclass class, jstring path, jint docType, jlong time, jboolean subdirs) {
const char *fileName = (*env)->GetStringUTFChars(env, path, NULL);
listdir(fileName, 1, docType, time, subdirs);
(*env)->ReleaseStringUTFChars(env, path, fileName);
}