Go1.10帮他人写一个简单的CGO使用IcmpSendEcho的例子
发布时间:2020-12-16 19:18:13 所属栏目:大数据 来源:网络整理
导读:package main import ( "fmt" "syscall" "unsafe" ) /* #include winsock2.h #include iphlpapi.h #include icmpapi.h */ import "C" const INADDR_NONE = 0 xffffffff var ( Ws2_32 = syscall.NewLazyDLL( "Ws2_32.dll" ) Iphlpapi = syscall.NewLazyDLL( "
package main
import (
"fmt"
"syscall"
"unsafe"
)
/* #include <winsock2.h> #include <iphlpapi.h> #include <icmpapi.h> */
import "C"
const INADDR_NONE = 0xffffffff
var (
Ws2_32 = syscall.NewLazyDLL("Ws2_32.dll")
Iphlpapi = syscall.NewLazyDLL("Iphlpapi.dll")
inet_addr_proc = Ws2_32.NewProc("inet_addr")
IcmpCreateFile_proc = Iphlpapi.NewProc("IcmpCreateFile")
IcmpSendEcho_proc = Iphlpapi.NewProc("IcmpSendEcho")
)
type IP_OPTION_INFORMATION struct {
Ttl uint8
Tos uint8
Flags uint8
OptionsSize uint8
OptionsData uintptr
}
type ICMP_ECHO_REPLY struct {
Address uint32
Status uint32
RoundTripTime uint32
DataSize uint16
USHORT uint16
Data uintptr
Options IP_OPTION_INFORMATION
}
func main() {
var ip = syscall.StringBytePtr("192.168.0.1")
ip_addr,_,err := inet_addr_proc.Call(uintptr(unsafe.Pointer(ip)))
if ip_addr == INADDR_NONE {
fmt.Println("地址解析错误")
return
}
fd,err := IcmpCreateFile_proc.Call()
if syscall.Handle(fd) == syscall.InvalidHandle {
fmt.Printf("创建句柄失败:%sn",err.Error())
return
}
var SendData [32]byte
copy(SendData[:],[]byte("Data Buffer"))
var reply ICMP_ECHO_REPLY
var ReplySize = unsafe.Sizeof(reply) + unsafe.Sizeof(SendData)
var ReplyBuffer = make([]byte,int(ReplySize))
_,err = IcmpSendEcho_proc.Call(fd,ip_addr,uintptr(unsafe.Pointer(&SendData[0])),unsafe.Sizeof(SendData), 0,uintptr(unsafe.Pointer(&ReplyBuffer[0])),ReplySize, 1000)
xx := (*ICMP_ECHO_REPLY)(unsafe.Pointer(&ReplyBuffer[0]))
fmt.Println(xx)
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