style: Format source code and support grouping client
This commit is contained in:
yuanyuanxiang
265
common/header.h
265
common/header.h
@@ -7,16 +7,16 @@
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#define MSG_HEADER "HELL"
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enum HeaderEncType {
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HeaderEncUnknown = -1,
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HeaderEncNone,
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HeaderEncV0,
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HeaderEncV1,
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HeaderEncV2,
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HeaderEncV3,
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HeaderEncV4,
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HeaderEncV5,
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HeaderEncV6,
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HeaderEncNum,
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HeaderEncUnknown = -1,
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HeaderEncNone,
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HeaderEncV0,
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HeaderEncV1,
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HeaderEncV2,
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HeaderEncV3,
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HeaderEncV4,
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HeaderEncV5,
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HeaderEncV6,
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HeaderEncNum,
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};
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// <20><><EFBFBD>ݱ<EFBFBD><DDB1><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>ʶ<EFBFBD><CAB6> + <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(4<>ֽ<EFBFBD>) + <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(4<>ֽ<EFBFBD>)
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@@ -27,148 +27,157 @@ const int MIN_COMLEN = 12;
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typedef void (*EncFun)(unsigned char* data, size_t length, unsigned char key);
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typedef void (*DecFun)(unsigned char* data, size_t length, unsigned char key);
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inline void default_encrypt(unsigned char* data, size_t length, unsigned char key) {
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data[FLAG_LENGTH - 2] = data[FLAG_LENGTH - 1] = 0;
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inline void default_encrypt(unsigned char* data, size_t length, unsigned char key)
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{
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data[FLAG_LENGTH - 2] = data[FLAG_LENGTH - 1] = 0;
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}
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inline void default_decrypt(unsigned char* data, size_t length, unsigned char key) {
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inline void default_decrypt(unsigned char* data, size_t length, unsigned char key)
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{
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}
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// <20><><EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD>
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inline void encrypt(unsigned char* data, size_t length, unsigned char key) {
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if (key == 0) return;
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for (size_t i = 0; i < length; ++i) {
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unsigned char k = static_cast<unsigned char>(key ^ (i * 31)); // <20><>̬<EFBFBD>Ŷ<EFBFBD> key
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int value = static_cast<int>(data[i]);
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switch (i % 4) {
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case 0:
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value += k;
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break;
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case 1:
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value = value ^ k;
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break;
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case 2:
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value -= k;
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break;
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case 3:
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value = ~(value ^ k); // <20>ಽ<EFBFBD>任<EFBFBD><E4BBBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>
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break;
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}
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data[i] = static_cast<unsigned char>(value & 0xFF);
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}
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inline void encrypt(unsigned char* data, size_t length, unsigned char key)
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{
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if (key == 0) return;
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for (size_t i = 0; i < length; ++i) {
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unsigned char k = static_cast<unsigned char>(key ^ (i * 31)); // <20><>̬<EFBFBD>Ŷ<EFBFBD> key
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int value = static_cast<int>(data[i]);
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switch (i % 4) {
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case 0:
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value += k;
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break;
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case 1:
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value = value ^ k;
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break;
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case 2:
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value -= k;
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break;
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case 3:
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value = ~(value ^ k); // <20>ಽ<EFBFBD>任<EFBFBD><E4BBBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>
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break;
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}
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data[i] = static_cast<unsigned char>(value & 0xFF);
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}
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}
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// <20><><EFBFBD>ܺ<EFBFBD><DCBA><EFBFBD>
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inline void decrypt(unsigned char* data, size_t length, unsigned char key) {
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if (key == 0) return;
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for (size_t i = 0; i < length; ++i) {
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unsigned char k = static_cast<unsigned char>(key ^ (i * 31));
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int value = static_cast<int>(data[i]);
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switch (i % 4) {
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case 0:
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value -= k;
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break;
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case 1:
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value = value ^ k;
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break;
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case 2:
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value += k;
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break;
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case 3:
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value = ~(value) ^ k; // <20><EFBFBD><E2BFAA><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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break;
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}
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data[i] = static_cast<unsigned char>(value & 0xFF);
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}
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inline void decrypt(unsigned char* data, size_t length, unsigned char key)
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{
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if (key == 0) return;
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for (size_t i = 0; i < length; ++i) {
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unsigned char k = static_cast<unsigned char>(key ^ (i * 31));
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int value = static_cast<int>(data[i]);
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switch (i % 4) {
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case 0:
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value -= k;
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break;
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case 1:
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value = value ^ k;
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break;
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case 2:
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value += k;
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break;
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case 3:
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value = ~(value) ^ k; // <20><EFBFBD><E2BFAA><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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break;
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}
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data[i] = static_cast<unsigned char>(value & 0xFF);
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}
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}
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inline EncFun GetHeaderEncoder(HeaderEncType type) {
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static const DecFun methods[] = { default_encrypt, encrypt, encrypt_v1, encrypt_v2, encrypt_v3, encrypt_v4, encrypt_v5, encrypt_v6 };
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return methods[type];
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inline EncFun GetHeaderEncoder(HeaderEncType type)
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{
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static const DecFun methods[] = { default_encrypt, encrypt, encrypt_v1, encrypt_v2, encrypt_v3, encrypt_v4, encrypt_v5, encrypt_v6 };
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return methods[type];
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}
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typedef struct HeaderFlag {
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char Data[FLAG_LENGTH + 1];
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HeaderFlag(const char header[FLAG_LENGTH + 1]) {
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memcpy(Data, header, sizeof(Data));
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}
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char& operator[](int i) {
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return Data[i];
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}
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const char operator[](int i) const {
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return Data[i];
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}
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const char* data() const {
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return Data;
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}
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}HeaderFlag;
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char Data[FLAG_LENGTH + 1];
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HeaderFlag(const char header[FLAG_LENGTH + 1])
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{
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memcpy(Data, header, sizeof(Data));
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}
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char& operator[](int i)
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{
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return Data[i];
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}
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const char operator[](int i) const
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{
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return Data[i];
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}
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const char* data() const
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{
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return Data;
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}
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} HeaderFlag;
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// д<><D0B4><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD>ͷ
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inline HeaderFlag GetHead(EncFun enc) {
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char header[FLAG_LENGTH + 1] = { 'H','E','L','L', 0 };
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HeaderFlag H(header);
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unsigned char key = time(0) % 256;
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H[FLAG_LENGTH - 2] = key;
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H[FLAG_LENGTH - 1] = ~key;
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enc((unsigned char*)H.data(), FLAG_COMPLEN, H[FLAG_LENGTH - 2]);
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return H;
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inline HeaderFlag GetHead(EncFun enc)
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{
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char header[FLAG_LENGTH + 1] = { 'H','E','L','L', 0 };
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HeaderFlag H(header);
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unsigned char key = time(0) % 256;
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H[FLAG_LENGTH - 2] = key;
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H[FLAG_LENGTH - 1] = ~key;
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enc((unsigned char*)H.data(), FLAG_COMPLEN, H[FLAG_LENGTH - 2]);
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return H;
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}
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enum FlagType {
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FLAG_WINOS = -1,
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FLAG_UNKNOWN = 0,
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FLAG_SHINE = 1,
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FLAG_FUCK = 2,
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FLAG_HELLO = 3,
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FLAG_HELL = 4,
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FLAG_WINOS = -1,
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FLAG_UNKNOWN = 0,
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FLAG_SHINE = 1,
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FLAG_FUCK = 2,
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FLAG_HELLO = 3,
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FLAG_HELL = 4,
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};
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inline int compare(const char *flag, const char *magic, int len, DecFun dec, unsigned char key){
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unsigned char buf[32] = {};
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memcpy(buf, flag, MIN_COMLEN);
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dec(buf, len, key);
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if (memcmp(buf, magic, len) == 0) {
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memcpy((void*)flag, buf, MIN_COMLEN);
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return 0;
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}
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return -1;
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inline int compare(const char *flag, const char *magic, int len, DecFun dec, unsigned char key)
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{
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unsigned char buf[32] = {};
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memcpy(buf, flag, MIN_COMLEN);
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dec(buf, len, key);
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if (memcmp(buf, magic, len) == 0) {
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memcpy((void*)flag, buf, MIN_COMLEN);
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return 0;
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}
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return -1;
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}
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// <20>ȶ<EFBFBD><C8B6><EFBFBD><EFBFBD>ݰ<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
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// <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>Ľ<EFBFBD><C4BD>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD>ȶ<EFBFBD><C8B6><EFBFBD><EFBFBD>ݰ<EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD>н<EFBFBD><D0BD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>бȶ<D0B1>
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inline FlagType CheckHead(const char* flag, DecFun dec) {
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FlagType type = FLAG_UNKNOWN;
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if (compare(flag, skCrypt(MSG_HEADER), FLAG_COMPLEN, dec, flag[6]) == 0) {
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type = FLAG_HELL;
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}
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else if (compare(flag, skCrypt("Shine"), 5, dec, 0) == 0) {
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type = FLAG_SHINE;
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}
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else if (compare(flag, skCrypt("<<FUCK>>"), 8, dec, flag[9]) == 0) {
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type = FLAG_FUCK;
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}
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else if (compare(flag, skCrypt("Hello?"), 6, dec, flag[6]) == 0) {
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type = FLAG_HELLO;
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}
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else {
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type = FLAG_UNKNOWN;
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}
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return type;
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inline FlagType CheckHead(const char* flag, DecFun dec)
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{
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FlagType type = FLAG_UNKNOWN;
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if (compare(flag, skCrypt(MSG_HEADER), FLAG_COMPLEN, dec, flag[6]) == 0) {
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type = FLAG_HELL;
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} else if (compare(flag, skCrypt("Shine"), 5, dec, 0) == 0) {
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type = FLAG_SHINE;
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} else if (compare(flag, skCrypt("<<FUCK>>"), 8, dec, flag[9]) == 0) {
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type = FLAG_FUCK;
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} else if (compare(flag, skCrypt("Hello?"), 6, dec, flag[6]) == 0) {
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type = FLAG_HELLO;
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} else {
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type = FLAG_UNKNOWN;
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}
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return type;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>Զ<EFBFBD><D4B6>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><D4B1>ܼ<EFBFBD><DCBC><EFBFBD><EFBFBD>ϰ汾ͨѶЭ<D1B6><D0AD>
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inline FlagType CheckHead(char* flag, HeaderEncType& funcHit) {
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static const DecFun methods[] = { default_decrypt, decrypt, decrypt_v1, decrypt_v2, decrypt_v3, decrypt_v4, decrypt_v5, decrypt_v6 };
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static const int methodNum = sizeof(methods) / sizeof(DecFun);
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char buffer[MIN_COMLEN + 4] = {};
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for (int i = 0; i < methodNum; ++i) {
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memcpy(buffer, flag, MIN_COMLEN);
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FlagType type = CheckHead(buffer, methods[i]);
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if (type != FLAG_UNKNOWN) {
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memcpy(flag, buffer, MIN_COMLEN);
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funcHit = HeaderEncType(i);
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return type;
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}
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}
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funcHit = HeaderEncUnknown;
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return FLAG_UNKNOWN;
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inline FlagType CheckHead(char* flag, HeaderEncType& funcHit)
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{
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static const DecFun methods[] = { default_decrypt, decrypt, decrypt_v1, decrypt_v2, decrypt_v3, decrypt_v4, decrypt_v5, decrypt_v6 };
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static const int methodNum = sizeof(methods) / sizeof(DecFun);
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char buffer[MIN_COMLEN + 4] = {};
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for (int i = 0; i < methodNum; ++i) {
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memcpy(buffer, flag, MIN_COMLEN);
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FlagType type = CheckHead(buffer, methods[i]);
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if (type != FLAG_UNKNOWN) {
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memcpy(flag, buffer, MIN_COMLEN);
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funcHit = HeaderEncType(i);
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return type;
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}
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}
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funcHit = HeaderEncUnknown;
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return FLAG_UNKNOWN;
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}
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