update

mirai-core/src/main/java/net/mamoe/mirai/network/packet/PacketId.java

 package net.mamoe.mirai.network.packet;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
 /**
  * @author Him188moe @ Mirai Project
  */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
 public @interface PacketId {
     /**
      * 获取用于识别的包 ID

mirai-core/src/main/java/net/mamoe/mirai/network/packet/client/ClientHeartbeatPacket.java

 package net.mamoe.mirai.network.packet.client;
 
+import net.mamoe.mirai.network.packet.PacketId;
+
 import java.io.IOException;
 
 /**
  * @author Him188moe @ Mirai Project
  */
+@PacketId(0x0058)
 public class ClientHeartbeatPacket extends ClientPacket {
     @Override
     public void encode() throws IOException {

mirai-core/src/main/java/net/mamoe/mirai/network/packet/client/ClientLoginPacket.java

@@ -5,7 +5,7 @@ import net.mamoe.mirai.network.packet.PacketId;
 /**
  * @author Him188moe @ Mirai Project
  */
-@PacketId(5)
+@PacketId(0x08_25_31_01)// TODO: 2019/8/8
 public class ClientLoginPacket extends ClientPacket {
     @Override
     public void encode() {

mirai-core/src/main/java/net/mamoe/mirai/network/packet/client/ClientPacket.java

 package net.mamoe.mirai.network.packet.client;
 
+import lombok.Getter;
 import net.mamoe.mirai.network.packet.Packet;
+import net.mamoe.mirai.network.packet.PacketId;
 
 import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
@@ -15,14 +17,20 @@ public abstract class ClientPacket extends DataOutputStream implements Packet {
         super(new ByteArrayOutputStream());
     }
 
-    private final byte packageId;
+    @Getter
+    private final int packageId;
 
     {
-        packageId = 0x0058;
-    }
+        var annotation = this.getClass().getAnnotation(PacketId.class);
+        packageId = annotation.value();
 
-    protected void writeHead() throws IOException {
-        this.writeByte(0x02);
+        try {
+            writeHead();
+            writeVersion();
+            writePacketId();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
     }
 
     public static void main(String[] args) throws IOException {
@@ -36,12 +44,41 @@ public abstract class ClientPacket extends DataOutputStream implements Packet {
         System.out.println(Arrays.toString(((ByteArrayOutputStream) pk.out).toByteArray()));
     }
 
+    protected void writeHead() throws IOException {
+        this.writeByte(0x02);
+    }
+
     protected void writeVersion() throws IOException {
         this.writeByte(0x37_13);
     }
 
-    protected void writePacketId() {
+    protected void writePacketId() throws IOException {
+        this.writeByte(this.packageId);
+    }
+
+    protected void writeFixVer() throws IOException {
+        this.writeByte(0x03);
+        this.writeByte(0x00);
+        this.writeByte(0x00);
+        this.writeByte(0x00);
+        this.writeByte(0x01);
+        this.writeByte(0x2E);
+        this.writeByte(0x01);
+        this.writeByte(0x00);
+        this.writeByte(0x00);
+        this.writeByte(0x68);
+        this.writeByte(0x52);
+        this.writeByte(0x00);
+        this.writeByte(0x00);
+        this.writeByte(0x00);
+        this.writeByte(0x00);
+    }
 
+    protected void write0825Key() throws IOException {
+        this.writeLong(0xA4_F1_91_88);
+        this.writeLong(0xC9_82_14_99);
+        this.writeLong(0x0C_9E_56_55);
+        this.writeLong(0x91_23_C8_3D);
     }
 
     protected void writeQQ(long qq) throws IOException {

mirai-core/src/main/java/net/mamoe/mirai/util/TEAEncryption.java

+package net.mamoe.mirai.util;
+
+/**
+ * TEA encryption
+ *
+ * @author Him188moe @ Mirai Project
+ */
+public final class TEAEncryption {
+
+}

mirai-native/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>mirai</artifactId>
+        <groupId>net.mamoe</groupId>
+        <version>1.0</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>mirai-native</artifactId>
+    <version>1.0</version>
+</project>

mirai-native/src/main/c/TeaEncryption.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <string.h>
+#include <time.h>
+
+//#define CRYPT_ONE_BYTE
+
+typedef char int8 ;
+typedef unsigned char uint8 ;
+typedef short int16 ;
+typedef unsigned short uint16 ;
+typedef long int32 ;
+typedef unsigned long uint32 ;
+
+typedef struct tagTEACTX
+{
+	uint8 buf[8] ;
+	uint8 bufPre[8] ;
+	const uint8 *pKey ; //指向16字节的key
+	uint8 *pCrypt ;
+	uint8 *pCryptPre ;
+} TEACTX, *LPTEACTX ;
+
+uint16 Host2NetShort(uint16 usHost)
+{
+	const uint16 us = 0x1234 ;
+	return ((uint8 *)&us)[0] == 0x12 ? usHost : ((usHost>>8) | (usHost<<8)) ;
+}
+
+uint16 Net2HostShort(uint16 usNet)
+{
+	return Host2NetShort(usNet) ;
+}
+
+uint32 Host2NetLong(uint32 ulHost)
+{
+	const uint16 us = 0x1234 ;
+	return ((uint8 *)&us)[0] == 0x12 ? ulHost : (((ulHost>>8) & 0xFF00) |
+		((ulHost<<8) & 0xFF0000) | (ulHost<<24) | (ulHost>>24)) ;
+}
+
+uint32 Net2HostLong(uint32 ulHost)
+{
+	return Host2NetLong(ulHost) ;
+}
+
+//TEA加密。v明文8字节。k密钥16字节。w密文输出8字节。
+void EnCipher(const uint32 *const v, const uint32 *const k, uint32 *const w)
+{
+	register uint32
+		y     = Host2NetLong(v[0]),
+		z     = Host2NetLong(v[1]),
+		a     = Host2NetLong(k[0]),
+		b     = Host2NetLong(k[1]),
+		c     = Host2NetLong(k[2]),
+		d     = Host2NetLong(k[3]),
+		n     = 0x10,       /* do encrypt 16 (0x10) times */
+		sum   = 0,
+		delta = 0x9E3779B9; /*  0x9E3779B9 - 0x100000000 = -0x61C88647 */
+
+	while (n-- > 0)
+	{
+		sum += delta;
+		y += ((z << 4) + a) ^ (z + sum) ^ ((z >> 5) + b);
+		z += ((y << 4) + c) ^ (y + sum) ^ ((y >> 5) + d);
+	}
+
+	w[0] = Net2HostLong(y);
+	w[1] = Net2HostLong(z);
+}
+
+//TEA解密。v密文8字节。k密钥16字节。w明文输出8字节。
+void DeCipher(const uint32 *const v, const uint32 *const k, uint32 *const w)
+{
+	register uint32
+		y     = Host2NetLong(v[0]),
+		z     = Host2NetLong(v[1]),
+		a     = Host2NetLong(k[0]),
+		b     = Host2NetLong(k[1]),
+		c     = Host2NetLong(k[2]),
+		d     = Host2NetLong(k[3]),
+		n     = 0x10,
+		sum   = 0xE3779B90,
+		/* why this ? must be related with n value*/
+		delta = 0x9E3779B9;
+
+	/* sum = delta<<5, in general sum = delta * n */
+	while (n-- > 0)
+	{
+		z -= ((y << 4) + c) ^ (y + sum) ^ ((y >> 5) + d);
+		y -= ((z << 4) + a) ^ (z + sum) ^ ((z >> 5) + b);
+		sum -= delta;
+	}
+
+	w[0] = Net2HostLong(y);
+	w[1] = Net2HostLong(z);
+}
+
+uint32 Random(void)
+{
+	return (uint32)rand();
+	//return 0xdead ;
+}
+
+//每次8字节加密
+static void EncryptEach8Bytes(TEACTX *pCtx)
+{
+#ifdef CRYPT_ONE_BYTE
+	uint32 i ;
+	uint8 *pPlain8, *pPlainPre8, *pCrypt8, *pCryptPre8 ;
+	pPlain8 = (uint8 *)pCtx->buf ;
+	pPlainPre8 = (uint8 *)pCtx->bufPre ;
+	pCrypt8 = (uint8 *)pCtx->pCrypt ;
+	pCryptPre8 = (uint8 *)pCtx->pCryptPre ;
+	//本轮明文与上一轮的密文异或
+	for(i=0; i<8; i++)
+		pPlain8[i] ^= pCryptPre8[i] ;
+	//再对异或后的明文加密
+	EnCipher((uint32 *)pPlain8, (uint32 *)pCtx->pKey, (uint32 *)pCrypt8) ;
+	//将加密后的密文与上一轮的明文(其实是上一轮明文与上上轮密文异或结果)异或
+	for(i=0; i<8; i++)
+		pCrypt8[i] ^= pPlainPre8[i] ;
+	//
+	for(i=0; i<8; i++)
+		pPlainPre8[i] = pPlain8[i] ;
+#else
+	uint32 *pPlain8, *pPlainPre8, *pCrypt8, *pCryptPre8 ;
+	pPlain8 = (uint32 *)pCtx->buf ;
+	pPlainPre8 = (uint32 *)pCtx->bufPre ;
+	pCrypt8 = (uint32 *)pCtx->pCrypt ;
+	pCryptPre8 = (uint32 *)pCtx->pCryptPre ;
+	pPlain8[0] ^= pCryptPre8[0] ;
+	pPlain8[1] ^= pCryptPre8[1] ;
+	EnCipher(pPlain8, (const uint32 *)pCtx->pKey, pCrypt8) ;
+	pCrypt8[0] ^= pPlainPre8[0] ;
+	pCrypt8[1] ^= pPlainPre8[1] ;
+	pPlainPre8[0] = pPlain8[0] ;
+	pPlainPre8[1] = pPlain8[1] ;
+#endif
+	pCtx->pCryptPre = pCtx->pCrypt ;
+	pCtx->pCrypt += 8 ;
+}
+
+//加密。pPlain指向待加密的明文。ulPlainLen明文长度。pKey密钥16字节。
+//pOut指向密文输出缓冲区。pOutLen输入输出参数，指示输出缓冲区长度、密文长度。
+uint32 Encrypt(TEACTX *pCtx, const uint8 *pPlain, uint32 ulPlainLen,
+	const uint8 *pKey, uint8 *pOut, uint32 *pOutLen)
+{
+	uint32 ulPos, ulPadding, ulOut ;
+	const uint8 *p ;
+	if(pPlain == NULL || ulPlainLen == 0 || pOutLen == NULL)
+		return 0 ;
+	//计算需要填充的字节数
+	//整个加密流程下来，不管明文长度多少，填充10个字节是固定的，
+	//然后再根据明文的长度计算还需要填充的字节数。
+	ulPos = (8 - ((ulPlainLen + 10) & 0x07)) & 0x07 ;
+	//计算加密后的长度
+	ulOut = 1 + ulPos + 2 + ulPlainLen + 7 ;
+	if(*pOutLen < ulOut)
+	{
+		*pOutLen = ulOut ;
+		return 0 ;
+	}
+	*pOutLen = ulOut ;
+	memset(pCtx, 0, sizeof(TEACTX)) ;
+	pCtx->pCrypt = pOut ;
+	pCtx->pCryptPre = pCtx->bufPre ;
+	pCtx->pKey = pKey ;
+	//buf[0]的最低3bit位等于所填充的长度
+	pCtx->buf[0] = (uint8)((Random() & 0xF8) | ulPos) ;
+	//用随机数填充上面计算得到的填充长度(每个字节填充的内容是一样的)。
+	//这里填充的起始位置是&buf[1]。
+	memset(pCtx->buf+1, (uint8)Random(), ulPos++) ;
+	//至少再填充两字节
+	for(ulPadding=0; ulPadding<2; ulPadding++)
+	{
+		if(ulPos == 8)
+		{
+			EncryptEach8Bytes(pCtx) ;
+			ulPos = 0 ;
+		}
+		pCtx->buf[ulPos++] = (uint8)Random() ;
+	}
+	p = pPlain ;
+	while(ulPlainLen > 0)
+	{
+		if(ulPos == 8)
+		{
+			EncryptEach8Bytes(pCtx) ;
+			ulPos = 0 ;
+		}
+		pCtx->buf[ulPos++] = *(p++) ;
+		ulPlainLen-- ;
+	}
+	//末尾再添加7字节0后加密，在解密过程的时候可以用来判断key是否正确。
+	for(ulPadding=0; ulPadding<7; ulPadding++)
+		pCtx->buf[ulPos++] = 0x00 ;
+	//
+	EncryptEach8Bytes(pCtx) ;
+	return ulOut ;
+}
+
+//每次8字节进行解密
+static void DecryptEach8Bytes(TEACTX *pCtx)
+{
+#ifdef CRYPT_ONE_BYTE
+	uint32 i ;
+	uint8 bufTemp[8] ;
+	uint8 *pBuf8, *pBufPre8, *pCrypt8, *pCryptPre8 ;
+	pBuf8 = (uint8 *)pCtx->buf ;
+	pBufPre8 = (uint8 *)pCtx->bufPre ;
+	pCrypt8 = (uint8 *)pCtx->pCrypt ;
+	pCryptPre8 = (uint8 *)pCtx->pCryptPre ;
+	//当前的密文与前一轮明文(实际是前一轮明文与前前轮密文异或结果)异或
+	for(i=0; i<8; i++)
+		bufTemp[i] = pCrypt8[i] ^ pBufPre8[i] ;
+	//异或后的结果再解密(解密后得到当前名文与前一轮密文异或的结果，并非真正明文)
+	DeCipher((uint32 *)bufTemp, (uint32 *)pCtx->pKey, (uint32 *)pBufPre8) ;
+	//解密后的结果与前一轮的密文异或，得到真正的明文
+	for(i=0; i<8; i++)
+		pBuf8[i] = pBufPre8[i] ^ pCryptPre8[i] ;
+#else
+	uint32 bufTemp[2] ;
+	uint32 *pBuf8, *pBufPre8, *pCrypt8, *pCryptPre8 ;
+	pBuf8 = (uint32 *)pCtx->buf ;
+	pBufPre8 = (uint32 *)pCtx->bufPre ;
+	pCrypt8 = (uint32 *)pCtx->pCrypt ;
+	pCryptPre8 = (uint32 *)pCtx->pCryptPre ;
+	bufTemp[0] = pCrypt8[0] ^ pBufPre8[0] ;
+	bufTemp[1] = pCrypt8[1] ^ pBufPre8[1] ;
+	DeCipher(bufTemp, (const uint32 *)pCtx->pKey, pBufPre8) ;
+	pBuf8[0] = pBufPre8[0] ^ pCryptPre8[0] ;
+	pBuf8[1] = pBufPre8[1] ^ pCryptPre8[1] ;
+#endif
+	pCtx->pCryptPre = pCtx->pCrypt ;
+	pCtx->pCrypt += 8 ;
+}
+
+//解密。pCipher指向待解密密文。ulCipherLen密文长度。pKey密钥16字节。
+//pOut指向明文输出缓冲区。pOutLen输入输出参数，指示输出缓冲区长度、明文长度。
+uint32 Decrypt(TEACTX *pCtx, const uint8 *pCipher, uint32 ulCipherLen,
+	const uint8 *pKey, uint8 *pOut, uint32 *pOutLen)
+{
+	uint32 ulPos, ulPadding, ulOut, ul ;
+	// 待解密的数据长度最少16字节，并且长度满足是8的整数倍。
+	if(pCipher == NULL || pOutLen == NULL ||
+			ulCipherLen < 16 || (ulCipherLen & 0x07) != 0)
+		return 0 ;
+	pCtx->pKey = pKey ; //***2016-06-15 这个忘记加了，补上***
+	// 先解密头8字节，以便获取第一轮加密时填充的长度。
+	DeCipher((const uint32 *)pCipher, (const uint32 *)pKey, (uint32 *)pCtx->bufPre) ;
+	for(ul=0; ul<8; ul++)
+		pCtx->buf[ul] = pCtx->bufPre[ul] ;
+	ulPos = pCtx->buf[0] & 0x07 ; //第一轮加密时填充的长度
+	if(ulPos > 1)
+	{
+		for(ulOut=2; ulOut<=ulPos; ulOut++)
+		{
+			if(pCtx->buf[1] != pCtx->buf[ulOut])
+			{
+				*pOutLen = 0 ;
+				return 0 ; //解密失败
+			}
+		}
+	}
+	ulOut = ulCipherLen - ulPos - 10 ;
+	if(ulPos + 10 > ulCipherLen || *pOutLen < ulOut)
+		return 0 ;
+	pCtx->pCryptPre = (uint8 *)pCipher ;
+	pCtx->pCrypt = (uint8 *)pCipher + 8 ;
+	ulPos++ ;
+	for(ulPadding=0; ulPadding<2; ulPadding++)
+	{
+		if(ulPos == 8)
+		{
+			DecryptEach8Bytes(pCtx) ;
+			ulPos = 0 ;
+		}
+		ulPos++ ;
+	}
+	//
+	for(ul=0; ul<ulOut; ul++)
+	{
+		if(ulPos == 8)
+		{
+			DecryptEach8Bytes(pCtx) ;
+			ulPos = 0 ;
+		}
+		pOut[ul] = pCtx->buf[ulPos] ;
+		ulPos++ ;
+	}
+	//
+	for(ulPadding=0; ulPadding<7; ulPadding++)
+	{
+		if(ulPos < 8)
+		{
+			if(pCtx->buf[ulPos] != 0x00)
+			{
+				*pOutLen = 0 ;
+				return 0 ;
+			}
+		}
+		ulPos++ ;
+	}
+	*pOutLen = ulOut ;
+	return 1 ;
+}
+
+void PrintBuffer(const uint8 *buf, uint32 ulLen)
+{
+	uint32 i ;
+	for(i=0; i<ulLen; i++)
+	{
+		printf("%.2X ", buf[i]) ;
+		if((i+1) % 16 == 0)
+			putchar('\n') ;
+	}
+	if((ulLen & 0x0F) != 0)
+		putchar('\n') ;
+}
+
+int main(void)
+{
+	const char *pPK[][2] =
+	{
+		//明文--密钥
+		{"tea",	"123456789abcdef"},
+		{"tea",	"123456789abcdef"},
+		{"123456",	"password1234567"},
+		{"AABBCCD",	"aabbccddeeffggh"},
+		{"Hello World 你好世界！",	"aabbccddeeffggh"}
+	} ;
+	TEACTX ctx ;
+	uint8 bufEnc[512], bufDec[512] ;
+	uint32 ulEnc, ulDec, ulRet ;
+	int i ;
+	for(i=0; i<sizeof(pPK)/sizeof(pPK[0]); i++)
+	{
+		printf("明文：%s\n密钥：%s\n", pPK[i][0], pPK[i][1]) ;
+		ulEnc = sizeof(bufEnc) ;
+		Encrypt(&ctx, (const uint8 *)pPK[i][0], strlen(pPK[i][0])+1,
+				(const uint8 *)pPK[i][1], (uint8 *)bufEnc, &ulEnc) ;
+		printf("密文：\n") ;
+		PrintBuffer(bufEnc, ulEnc) ;
+		ulDec = sizeof(bufDec) ;
+		ulRet = Decrypt(&ctx, bufEnc, ulEnc, (const uint8 *)pPK[i][1],
+				(uint8 *)bufDec, &ulDec) ;
+		if(ulRet != 0)
+			printf("解密后明文：%s\n", bufDec) ;
+		else
+			printf("解密失败！\n") ;
+		putchar('\n') ;
+	}
+	return 0 ;
+}
\ No newline at end of file

pom.xml

@@ -11,6 +11,7 @@
 
     <modules>
         <module>mirai-core</module>
+        <module>mirai-native</module>
     </modules>
 
     <repositories>