在InstallShield中通过主机名获取IP地址

/* written by Jaron ,2002-07-15 */
/* 原出处：江都资讯网论坛 http://www.jiangdu.net/bbs ;;*/
/* 转载请注明出处和保留此版权信息 */
/* 欢迎使用SiteManager网站管理系统 http://sitemanager.cnzone.net ;; */

// 文 件 名：setup.rul
// 脚本功能：通过主机名获得TCP/IP地址
// 编写日期：2003-07-15
// 使用方法：调用函数 fGetIpAddress(szHost, szIPAdress)
// written by Jaron ,2002-07-15
// 原出处：江都资讯网论坛 http://www.jiangdu.net/bbs ;;
// 转载请注明出处和保留此版权信息
// 欢迎使用SiteManager网站管理系统 http://sitemanager.cnzone.net ;;

#include "Sddialog.h"
#include "IpAddress.rul"

STRING szIPAddress;
STRING szHostName;

BOOL nResult;

program

SdShowDlgEdit1 ("", "请输入您的主机名称", "主机名：", szHostName);
nResult = fGetIpAddress(szHostName, szIPAddress);
if nResult then
MessageBox ("IP地址是：" + szIPAddress, INFORMATION);
endif;

endprogram
#include "Sddialog.rul"

==========================
// 文 件 名：IpAddress.rul
// 脚本功能：通过主机名获得TCP/IP地址
// 编写日期：2003-07-15
// 使用方法：
// 1. 在 setup.rul 前面加入 #include "IpAddress.rul"
// 2. 调用函数 fGetIpAddress(szHost, szIPAdress)
// written by Jaron ,2002-07-15
// 原出处：江都资讯网论坛 http://www.jiangdu.net/bbs ;;
// 转载请注明出处和保留此版权信息
// 欢迎使用SiteManager网站管理系统 http://sitemanager.cnzone.net ;;

prototype NUMBER WSOCK32.WSAStartup( NUMBER, POINTER);
prototype NUMBER WSOCK32.gethostbyname(STRING);
prototype NUMBER KERNEL32.RtlMoveMemory (POINTER, NUMBER, NUMBER);
prototype NUMBER WSOCK32.WSACleanup();

prototype fGetIpAddress(STRING, BYREF STRING);

typedef WSADATA
begin
INT wversion;
INT wHighVersion;
STRING szDescription[255];
STRING szSystemStatus[128];
INT iMaxSockets;
INT iMaxUdpDg;
INT lpszVendorInfo;

end;

typedef HOSTENT
begin
NUMBER hName; // As Long
NUMBER hAliases; // As Long
SHORT hAddrType; //As Integer
SHORT hLength; // As Integer
NUMBER hAddrList; // As Long
end;

typedef IPADDRESS
begin
CHAR b1; //First
CHAR b2; //Second
CHAR b3; //Third
CHAR b4; //Fourth
end;

function fGetIpAddress(szHost, szIPAdress)
WSADATA StructWSAData;
WSADATA POINTER pStructWSAData;

HOSTENT StructHostEnt;
HOSTENT POINTER pStructHostEnt;

NUMBER nResult;
NUMBER pHostAddress;

POINTER pHostIPAddress;
NUMBER HostIPAddress;

IPADDRESS IpAddress;
IPADDRESS POINTER pIpAddress;

STRING sb1, sb2, sb3, sb4;

NUMBER nStartUp;
BOOL bReturn;

begin

if szHost = "" then
return FALSE;
endif;

if UseDLL(WINSYSDIR^"WSOCK32.DLL") < 0 then
return FALSE;
endif;

pStructWSAData = &StructWSAData;
pStructHostEnt = &StructHostEnt;

nStartUp = WSAStartup(0x101, pStructWSAData);

if nStartUp != 0 then
return FALSE;
endif;

pHostAddress = gethostbyname(szHost);

if pHostAddress != 0 then

RtlMoveMemory (pStructHostEnt, pHostAddress, 16);

pHostIPAddress = &HostIPAddress;
RtlMoveMemory (pHostIPAddress, StructHostEnt.hAddrList, 4);

pIpAddress = &IpAddress;
RtlMoveMemory (pIpAddress, HostIPAddress, 4);

NumToStr(sb1, pIpAddress->b1);
NumToStr(sb2, pIpAddress->b2);
NumToStr(sb3, pIpAddress->b3);
NumToStr(sb4, pIpAddress->b4);

szIPAdress = sb1 + "." + sb2 + "." + sb3 + "." + sb4 ;

bReturn = TRUE;

else
bReturn = FALSE;

endif;

if nStartUp = 0 then
WSACleanup();
endif;

UnUseDLL("WSOCK32.DLL");

return bReturn;

end;