pInfo->SendPacket->icmpheader.code = 0;
pInfo->SendPacket->icmpheader.checksum = 0;
pInfo->SendPacket->icmpheader.id = (USHORT)GetCurrentProcessId();
- pInfo->SendPacket->icmpheader.seq = iSeqNum;
+ pInfo->SendPacket->icmpheader.seq = htons((USHORT)iSeqNum);
/* calculate checksum of packet */
- pInfo->SendPacket->icmpheader.checksum = CheckSum((PUSHORT)&pInfo->SendPacket,
+ pInfo->SendPacket->icmpheader.checksum = CheckSum((PUSHORT)&pInfo->SendPacket->icmpheader,
sizeof(ICMP_HEADER) + PACKET_SIZE);
}
pInfo->lTimeStart = GetTime(pInfo);
iSockRet = sendto(pInfo->icmpSock, //socket
- (char *)pInfo->SendPacket, //buffer
- PACKET_SIZE, //size of buffer
+ (char *)&pInfo->SendPacket->icmpheader,//buffer
+ sizeof(ICMP_HEADER) + PACKET_SIZE,//size of buffer
0, //flags
(SOCKADDR *)&pInfo->dest, //destination
sizeof(pInfo->dest)); //address length
0,
pInfo->SendPacket);
- if (pInfo->SendPacket)
+ if (pInfo->RecvPacket)
HeapFree(GetProcessHeap(),
0,
pInfo->RecvPacket);
#define TTL_EXCEEDED 11
#define MAX_PING_PACKET_SIZE 1024
-#define MAX_PING_DATA_SIZE (MAX_PING_PACKET_SIZE + sizeof(IPv4Header)
+#define MAX_PING_DATA_SIZE (MAX_PING_PACKET_SIZE + sizeof(IPv4Header))
#define PACKET_SIZE 32
#define ICMP_MIN_SIZE 8
/* ICMP Echo Reply Header, 12 bytes */
typedef struct EchoReplyHeader
{
- struct ICMPHeader icmpheader;
struct timeval timestamp;
+ struct ICMPHeader icmpheader;
} ECHO_REPLY_HEADER, *PECHO_REPLY_HEADER;
/* ICMP Echo Reply Header, 12 bytes */