From d1451f9529d2d0f3d00d52505e8899dd7ddc1a44 Mon Sep 17 00:00:00 2001 From: RD42 <42702181+dashr9230@users.noreply.github.com> Date: Tue, 23 Apr 2024 22:07:28 +0800 Subject: [PATCH] [bot/saco/server] Implement SocketDataEncryptor functions --- bot/bot.vcproj | 6 ++ raknet/SocketDataEncryptor.cpp | 130 +++++++++++++++++++++++++++++++++ raknet/SocketDataEncryptor.h | 21 ++++++ saco/saco.vcproj | 6 ++ server/server.vcproj | 6 ++ 5 files changed, 169 insertions(+) create mode 100644 raknet/SocketDataEncryptor.cpp create mode 100644 raknet/SocketDataEncryptor.h diff --git a/bot/bot.vcproj b/bot/bot.vcproj index 5a40b49..adb017a 100644 --- a/bot/bot.vcproj +++ b/bot/bot.vcproj @@ -270,6 +270,12 @@ + + + + diff --git a/raknet/SocketDataEncryptor.cpp b/raknet/SocketDataEncryptor.cpp new file mode 100644 index 0000000..1f8d42d --- /dev/null +++ b/raknet/SocketDataEncryptor.cpp @@ -0,0 +1,130 @@ + +#include +#include "SocketDataEncryptor.h" + +unsigned short SocketDataEncryptor::session_key = 0; + +static const unsigned char S[256] = { +#ifndef SAMPSRV + 0x27,0x69,0xFD,0x87,0x60,0x7D,0x83,0x02,0xF2,0x3F,0x71,0x99,0xA3,0x7C,0x1B,0x9D, + 0x76,0x30,0x23,0x25,0xC5,0x82,0x9B,0xEB,0x1E,0xFA,0x46,0x4F,0x98,0xC9,0x37,0x88, + 0x18,0xA2,0x68,0xD6,0xD7,0x22,0xD1,0x74,0x7A,0x79,0x2E,0xD2,0x6D,0x48,0x0F,0xB1, + 0x62,0x97,0xBC,0x8B,0x59,0x7F,0x29,0xB6,0xB9,0x61,0xBE,0xC8,0xC1,0xC6,0x40,0xEF, + 0x11,0x6A,0xA5,0xC7,0x3A,0xF4,0x4C,0x13,0x6C,0x2B,0x1C,0x54,0x56,0x55,0x53,0xA8, + 0xDC,0x9C,0x9A,0x16,0xDD,0xB0,0xF5,0x2D,0xFF,0xDE,0x8A,0x90,0xFC,0x95,0xEC,0x31, + 0x85,0xC2,0x01,0x06,0xDB,0x28,0xD8,0xEA,0xA0,0xDA,0x10,0x0E,0xF0,0x2A,0x6B,0x21, + 0xF1,0x86,0xFB,0x65,0xE1,0x6F,0xF6,0x26,0x33,0x39,0xAE,0xBF,0xD4,0xE4,0xE9,0x44, + 0x75,0x3D,0x63,0xBD,0xC0,0x7B,0x9E,0xA6,0x5C,0x1F,0xB2,0xA4,0xC4,0x8D,0xB3,0xFE, + 0x8F,0x19,0x8C,0x4D,0x5E,0x34,0xCC,0xF9,0xB5,0xF3,0xF8,0xA1,0x50,0x04,0x93,0x73, + 0xE0,0xBA,0xCB,0x45,0x35,0x1A,0x49,0x47,0x6E,0x2F,0x51,0x12,0xE2,0x4A,0x72,0x05, + 0x66,0x70,0xB8,0xCD,0x00,0xE5,0xBB,0x24,0x58,0xEE,0xB4,0x80,0x81,0x36,0xA9,0x67, + 0x5A,0x4B,0xE8,0xCA,0xCF,0x9F,0xE3,0xAC,0xAA,0x14,0x5B,0x5F,0x0A,0x3B,0x77,0x92, + 0x09,0x15,0x4E,0x94,0xAD,0x17,0x64,0x52,0xD3,0x38,0x43,0x0D,0x0C,0x07,0x3C,0x1D, + 0xAF,0xED,0xE7,0x08,0xB7,0x03,0xE6,0x8E,0xAB,0x91,0x89,0x3E,0x2C,0x96,0x42,0xD9, + 0x78,0xDF,0xD0,0x57,0x5D,0x84,0x41,0x7E,0xCE,0xF7,0x32,0xC3,0xD5,0x20,0x0B,0xA7, +#else + 0xB4,0x62,0x07,0xE5,0x9D,0xAF,0x63,0xDD,0xE3,0xD0,0xCC,0xFE,0xDC,0xDB,0x6B,0x2E, + 0x6A,0x40,0xAB,0x47,0xC9,0xD1,0x53,0xD5,0x20,0x91,0xA5,0x0E,0x4A,0xDF,0x18,0x89, + 0xFD,0x6F,0x25,0x12,0xB7,0x13,0x77,0x00,0x65,0x36,0x6D,0x49,0xEC,0x57,0x2A,0xA9, + 0x11,0x5F,0xFA,0x78,0x95,0xA4,0xBD,0x1E,0xD9,0x79,0x44,0xCD,0xDE,0x81,0xEB,0x09, + 0x3E,0xF6,0xEE,0xDA,0x7F,0xA3,0x1A,0xA7,0x2D,0xA6,0xAD,0xC1,0x46,0x93,0xD2,0x1B, + 0x9C,0xAA,0xD7,0x4E,0x4B,0x4D,0x4C,0xF3,0xB8,0x34,0xC0,0xCA,0x88,0xF4,0x94,0xCB, + 0x04,0x39,0x30,0x82,0xD6,0x73,0xB0,0xBF,0x22,0x01,0x41,0x6E,0x48,0x2C,0xA8,0x75, + 0xB1,0x0A,0xAE,0x9F,0x27,0x80,0x10,0xCE,0xF0,0x29,0x28,0x85,0x0D,0x05,0xF7,0x35, + 0xBB,0xBC,0x15,0x06,0xF5,0x60,0x71,0x03,0x1F,0xEA,0x5A,0x33,0x92,0x8D,0xE7,0x90, + 0x5B,0xE9,0xCF,0x9E,0xD3,0x5D,0xED,0x31,0x1C,0x0B,0x52,0x16,0x51,0x0F,0x86,0xC5, + 0x68,0x9B,0x21,0x0C,0x8B,0x42,0x87,0xFF,0x4F,0xBE,0xC8,0xE8,0xC7,0xD4,0x7A,0xE0, + 0x55,0x2F,0x8A,0x8E,0xBA,0x98,0x37,0xE4,0xB2,0x38,0xA1,0xB6,0x32,0x83,0x3A,0x7B, + 0x84,0x3C,0x61,0xFB,0x8C,0x14,0x3D,0x43,0x3B,0x1D,0xC3,0xA2,0x96,0xB3,0xF8,0xC4, + 0xF2,0x26,0x2B,0xD8,0x7C,0xFC,0x23,0x24,0x66,0xEF,0x69,0x64,0x50,0x54,0x59,0xF1, + 0xA0,0x74,0xAC,0xC6,0x7D,0xB5,0xE6,0xE2,0xC2,0x7E,0x67,0x17,0x5E,0xE1,0xB9,0x3F, + 0x6C,0x70,0x08,0x99,0x45,0x56,0x76,0xF9,0x9A,0x97,0x19,0x72,0x5C,0x02,0x8F,0x58, +#endif +}; + +//---------------------------------------------------- + +unsigned char SocketDataEncryptor::GetChecksum(unsigned char *data, int length) +{ + unsigned char sum = 0; + + for(int i = 0; i != length; i++) + { + sum ^= data[i] & 0xAA; + } + return sum; +} + +//---------------------------------------------------- + +void SocketDataEncryptor::Process(unsigned char key1, + unsigned char key2, + unsigned char *data, + int length) +{ + int counter = 0; + + for(int i = 0; i != length; i++) + { +#ifndef SAMPSRV + data[i] = S[data[i]]; +#endif + if(counter == 0) + { + data[i] ^= key1; + counter = 1; + } + else + { + data[i] ^= key2; + counter--; + } +#ifdef SAMPSRV + data[i] = S[data[i]]; +#endif + } +} + +//---------------------------------------------------- + +#ifndef SAMPSRV + +void SocketDataEncryptor::Encrypt(unsigned char *destination, + unsigned char *source, + int *length) +{ + unsigned char key = session_key; + + *destination = GetChecksum(source, *length); + memcpy(destination + 1, source, *length); + Process(0, key, destination + 1, *length); + ++*length; +} + +#else + +int SocketDataEncryptor::Decrypt(unsigned char *destination, + unsigned char *source, + int *length) +{ + unsigned char key = session_key; + unsigned char sum = source[0]; + + *length--; + memcpy(destination, source + 1, *length); + Process(0, key, destination, *length); + + return GetChecksum(destination, *length) == sum; +} + +#endif + +//---------------------------------------------------- + +void SocketDataEncryptor::SetKey(int key) +{ + session_key = key ^ 0xCCCC; +} + +//---------------------------------------------------- +// EOF diff --git a/raknet/SocketDataEncryptor.h b/raknet/SocketDataEncryptor.h new file mode 100644 index 0000000..499996b --- /dev/null +++ b/raknet/SocketDataEncryptor.h @@ -0,0 +1,21 @@ + +#ifndef __SOCKET_DATA_ENCRYPTOR_H +#define __SOCKET_DATA_ENCRYPTOR_H + +class SocketDataEncryptor +{ +private: + static unsigned char GetChecksum(unsigned char *data, int length); + static void Process(unsigned char key1, unsigned char key2, unsigned char *data, int length); + + static unsigned short session_key; + +public: + static void Encrypt(unsigned char *destination, unsigned char *source, int *length); + static int Decrypt(unsigned char *destination, unsigned char *source, int *length); + + static void SetKey(int key); + +}; + +#endif diff --git a/saco/saco.vcproj b/saco/saco.vcproj index bb3c369..f43976d 100644 --- a/saco/saco.vcproj +++ b/saco/saco.vcproj @@ -480,6 +480,12 @@ + + + + diff --git a/server/server.vcproj b/server/server.vcproj index c0f8ca6..05c4f72 100644 --- a/server/server.vcproj +++ b/server/server.vcproj @@ -294,6 +294,12 @@ + + + +