GetAdaptersAddresses能否获取子网掩码等信息?

Question

本帖最后由 VisualEleven 于 2011-02-15 10:16:18 编辑

Answer 1

貌似不能谷歌 ipconfig 源码
http://hi.baidu.com/pointers_art/blog/item/613f747f571c7b310cd7dab0.html

Answer 2

typedef struct _IP_ADAPTER_ADDRESSES {  union {    ULONGLONG Alignment;    struct {      ULONG Length;      DWORD IfIndex;    };  };  struct _IP_ADAPTER_ADDRESSES* Next;  PCHAR AdapterName;  PIP_ADAPTER_UNICAST_ADDRESS FirstUnicastAddress;  PIP_ADAPTER_ANYCAST_ADDRESS FirstAnycastAddress;  PIP_ADAPTER_MULTICAST_ADDRESS FirstMulticastAddress;  PIP_ADAPTER_DNS_SERVER_ADDRESS FirstDnsServerAddress;  PWCHAR DnsSuffix;  PWCHAR Description;  PWCHAR FriendlyName;  BYTE PhysicalAddress[MAX_ADAPTER_ADDRESS_LENGTH];  DWORD PhysicalAddressLength;  DWORD Flags;  DWORD Mtu;  DWORD IfType;  IF_OPER_STATUS OperStatus;  DWORD Ipv6IfIndex;  DWORD ZoneIndices[16];  PIP_ADAPTER_PREFIX FirstPrefix;  ULONG64 TransmitLinkSpeed;  ULONG64 ReceiveLinkSpeed;  PIP_ADAPTER_WINS_SERVER_ADDRESS_LH FirstWinsServerAddress;  PIP_ADAPTER_GATEWAY_ADDRESS_LH FirstGatewayAddress;  ULONG Ipv4Metric;  ULONG Ipv6Metric;  IF_LUID Luid;  SOCKET_ADDRESS Dhcpv4Server;  NET_IF_COMPARTMENT_ID CompartmentId;  NET_IF_NETWORK_GUID NetworkGuid;  NET_IF_CONNECTION_TYPE ConnectionType;  NET_IF_NETWORK_GUID NetworkGuid;  TUNNEL_TYPE TunnelType;  SOCKET_ADDRESS Dhcpv6Server;  BYTE Dhcpv6ClientDuid[MAX_DHCPV6_DUID_LENGTH];  ULONG Dhcpv6ClientDuidLength;  ULONG Dhcpv6Iaid;  PIP_ADAPTER_DNS_SUFFIX FirstDnsSuffix;
} IP_ADAPTER_ADDRESSES,  *PIP_ADAPTER_ADDRESSES;

Answer 3

typedef struct _IP_ADAPTER_ADDRESSES 
{ 
 union {  
  ULONGLONG Alignment; 
   struct {   
   ULONG Length;  
    DWORD IfIndex;  
  }; 
 };  
struct _IP_ADAPTER_ADDRESSES* Next; 
 PCHAR AdapterName; 
 PIP_ADAPTER_UNICAST_ADDRESS FirstUnicastAddress; 
 PIP_ADAPTER_ANYCAST_ADDRESS FirstAnycastAddress;  
PIP_ADAPTER_MULTICAST_ADDRESS FirstMulticastAddress; 
 PIP_ADAPTER_DNS_SERVER_ADDRESS FirstDnsServerAddress; 
 PWCHAR DnsSuffix; 
 PWCHAR Description;
  PWCHAR FriendlyName; 
 BYTE PhysicalAddress[MAX_ADAPTER_ADDRESS_LENGTH]; 
 DWORD PhysicalAddressLength; 
 DWORD Flags; 
 DWORD Mtu; 
 DWORD IfType; 
 IF_OPER_STATUS OperStatus;
  DWORD Ipv6IfIndex; 
 DWORD ZoneIndices[16]; 
 PIP_ADAPTER_PREFIX FirstPrefix; 
 ULONG64 TransmitLinkSpeed;
  ULONG64 ReceiveLinkSpeed; 
 PIP_ADAPTER_WINS_SERVER_ADDRESS_LH FirstWinsServerAddress;  PIP_ADAPTER_GATEWAY_ADDRESS_LH FirstGatewayAddress;
  ULONG Ipv4Metric;  
ULONG Ipv6Metric; 
 IF_LUID Luid; 
 SOCKET_ADDRESS Dhcpv4Server; 
 NET_IF_COMPARTMENT_ID CompartmentId;  
NET_IF_NETWORK_GUID NetworkGuid; 
 NET_IF_CONNECTION_TYPE ConnectionType; 
 NET_IF_NETWORK_GUID NetworkGuid;  
TUNNEL_TYPE TunnelType; 
 SOCKET_ADDRESS Dhcpv6Server; 
 BYTE Dhcpv6ClientDuid[MAX_DHCPV6_DUID_LENGTH]; 
 ULONG Dhcpv6ClientDuidLength;  
ULONG Dhcpv6Iaid;  
PIP_ADAPTER_DNS_SUFFIX FirstDnsSuffix;
} IP_ADAPTER_ADDRESSES,  *PIP_ADAPTER_ADDRESSES;
看看这个结构体成员

Answer 4

to VisualEleven：
这个结构体我也看了，但是不是很理解，不知道这个结构体中是否包含这些信息？

Answer 5

PIP_ADAPTER_UNICAST_ADDRESS对应的结构中，域OnLinkPrefixLength记录了子网掩码中1的个数，做个移位-1<<OnLinkPrefixLength就可

Answer 6

PIP_ADAPTER_UNICAST_ADDRESS对应的结构中，域OnLinkPrefixLength记录了子网掩码中1的个数，做个移位-1<<OnLinkPrefixLength就可