我正在尝试创建一个Magic Packet以在某台PC上应用WOL，我尝试使用与Wireshark捕获中的数据包完全相同的格式进行操作，但PC无法将接收数据包识别为魔术包
这是代码：
UINT8* CTestCase::CreateMagicPacket(IN OUT UINT8* p_buffer, IN int size, IN MACAddress src, IN MACAddress dst)
{
UINT8 *my_buff_to_send = new UINT8[size]{ 0 }; //create new buffer with the size we want
for (int i = 0; i < 6; i++) //broadcast address
{
my_buff_to_send[i] = 0xFF;
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[i]));
}
int m = 5;
for (size_t i = 6; i < 12; i++) //insert source mac adress to the new buffer
{
my_buff_to_send[i] = src.Get(m);
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[i]));
m--;
}
my_buff_to_send[12] = 0x08;
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[12]));
my_buff_to_send[13] = 0x00; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[13]));
my_buff_to_send[14] = 0x45; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[14]));
my_buff_to_send[15] = 0x00; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[15]));
my_buff_to_send[16] = 0x00; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[16]));
my_buff_to_send[17] = 0x90; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[17]));
my_buff_to_send[18] = 0x48; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[18]));
my_buff_to_send[19] = 0x91; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[19]));
my_buff_to_send[20] = 0x00; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[20]));
my_buff_to_send[21] = 0x00; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[21]));
my_buff_to_send[22] = 0x80; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[22]));
my_buff_to_send[23] = 0x11; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[23]));
my_buff_to_send[24] = 0x00; //insert permanent type to the buffer OR dd
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[24]));
my_buff_to_send[25] = 0x00; //insert permanent type to the buffer OR bd
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[25]));
my_buff_to_send[26] = 0x0a; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[26]));
my_buff_to_send[27] = 0x0a; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[27]));
my_buff_to_send[28] = 0x0a; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[28]));
my_buff_to_send[29] = 0x05; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[29]));
my_buff_to_send[30] = 0xff; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[30]));
my_buff_to_send[31] = 0xff; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[31]));
my_buff_to_send[32] = 0xff; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[32]));
my_buff_to_send[33] = 0xff; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[33]));
my_buff_to_send[34] = 0xd0; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[34]));
my_buff_to_send[35] = 0x28; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[35]));
my_buff_to_send[36] = 0xff; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[36]));
my_buff_to_send[37] = 0xff; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[37]));
my_buff_to_send[38] = 0x00; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[38]));
my_buff_to_send[39] = 0x7c; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[39]));
my_buff_to_send[40] = 0x14; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[40]));
my_buff_to_send[41] = 0x9c; //insert permanent type to the buffer
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[41]));
for (int i = 42; i < 48; i++)
{
my_buff_to_send[i] = 0xFF;
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[i]));
}
int r = 5;
for (size_t i = 48; i < 54; i++) //insert source mac adress to the new buffer
{
my_buff_to_send[i] = dst.Get(r);
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[i]));
r--;
}
for (int i = 54; i < 60; i++)
{
my_buff_to_send[i] = 0xFF;
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[i]));
}
for (size_t j = 0; j < 16; j++)
{
for (int k = 5; k >= 0; k--) //insert destination mac adress to the buffer
{
int i = 60;
my_buff_to_send[i] = dst.Get(k);
m_pLog->AddMessage(" |");
m_pLog->AddMessage("%d ", UINT32(my_buff_to_send[i]));
i++;
}
}
return my_buff_to_send;
};
答案 0 :(得分：2)
您真的需要自己创建原始以太网数据包吗？
当我完成此操作时，我只是将魔术数据包嵌入到UDP数据包之类的内容中，然后进行广播。例如：
#include "sock2/sock2.h"
int main() {
std::string MAC_address("\x00\x00\x00\x00\x00\x00", 6);
std::string buffer("\xff\xff\xff\xff\xff\xff");
for (int i=0; i<16; i++)
buffer.append(MAC_address);
IP::UDP::socket s;
s.setopt(SO_BROADCAST);
IP::address addr(192, 168, 0, 255, 5);
s.send(buffer, addr);
}
这是非常简约的（例如，硬编码地址，几乎没有错误检查），但MAC地址的适当字节工作得很好。我没有尝试详细分析你的所有代码，但它似乎包含的内容远远超出了我通常所需的范围。