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synapse/synamisc.pas
geby 8185f7ffd2 synamisc.pas POSIX fixes 
git-svn-id: https://svn.code.sf.net/p/synalist/code/trunk@255 7c85be65-684b-0410-a082-b2ed4fbef004
2022-01-16 14:05:38 +00:00

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{==============================================================================|
| Project : Ararat Synapse | 001.004.000 |
|==============================================================================|
| Content: misc. procedures and functions |
|==============================================================================|
| Copyright (c)1999-2022, Lukas Gebauer |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| Redistributions of source code must retain the above copyright notice, this |
| list of conditions and the following disclaimer. |
| |
| Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| Neither the name of Lukas Gebauer nor the names of its contributors may |
| be used to endorse or promote products derived from this software without |
| specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR |
| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| DAMAGE. |
|==============================================================================|
| The Initial Developer of the Original Code is Lukas Gebauer (Czech Republic).|
| Portions created by Lukas Gebauer are Copyright (c) 2002-2022. |
| All Rights Reserved. |
|==============================================================================|
| Contributor(s): |
|==============================================================================|
| History: see HISTORY.HTM from distribution package |
| (Found at URL: http://www.ararat.cz/synapse/) |
|==============================================================================}
{:@abstract(Miscellaneous network based utilities)}
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$Q-}
{$H+}
//Kylix does not known UNIX define
{$IFDEF LINUX}
{$IFNDEF UNIX}
{$DEFINE UNIX}
{$ENDIF}
{$ENDIF}
{$TYPEDADDRESS OFF}
{$IFDEF UNICODE}
{$WARN IMPLICIT_STRING_CAST OFF}
{$WARN IMPLICIT_STRING_CAST_LOSS OFF}
{$ENDIF}
{$IFDEF NEXTGEN}
{$ZEROBASEDSTRINGS OFF}
{$ENDIF}
unit synamisc;
interface
{$IFDEF VER125}
{$DEFINE BCB}
{$ENDIF}
{$IFDEF BCB}
{$ObjExportAll On}
{$HPPEMIT '#pragma comment( lib , "wininet.lib" )'}
{$ENDIF}
uses
synautil, blcksock, SysUtils, Classes
{$IFDEF POSIX}
,Types,Posix.Stdlib
{$ELSE}
{$IFDEF UNIX}
{$IFNDEF FPC}
, Libc
{$ENDIF}
{$ELSE}
, Windows
{$ENDIF}
{$ENDIF}
;
Type
{:@abstract(This record contains information about proxy settings.)}
TProxySetting = record
Host: string;
Port: string;
Bypass: string;
ResultCode: integer;
Autodetected: boolean;
end;
{:With this function you can turn on a computer on the network, if this computer
supports Wake-on-LAN feature. You need the MAC address
(network card identifier) of the computer. You can also assign a target IP
addres. If you do not specify it, then broadcast is used to deliver magic
wake-on-LAN packet.
However broadcasts work only on your local network. When you need to wake-up a
computer on another network, you must specify any existing IP addres on same
network segment as targeting computer.}
procedure WakeOnLan(MAC, IP: string);
{:Autodetect current DNS servers used by the system. If more than one DNS server
is defined, then the result is comma-delimited.}
function GetDNS: string;
{:Read InternetExplorer 5.0+ proxy setting for given protocol. This function
works only on windows!}
function GetIEProxy(protocol: string): TProxySetting;
{:Return all known IP addresses of required type on the local system. Addresses are divided by
comma/comma-delimited.}
function GetLocalIPsFamily(value: TSocketFamily): string;
{:Return all known IP addresses on the local system. Addresses are divided by
comma/comma-delimited.}
function GetLocalIPs: string;
{$IFDEF MSWINDOWS}
{:Autodetect system proxy setting for specified URL. This function
works only on windows!}
function GetProxyForURL(const AURL: WideString): TProxySetting;
{$ENDIF}
implementation
{==============================================================================}
procedure WakeOnLan(MAC, IP: string);
var
sock: TUDPBlockSocket;
HexMac: Ansistring;
data: Ansistring;
n: integer;
b: Byte;
begin
if MAC <> '' then
begin
MAC := ReplaceString(MAC, '-', '');
MAC := ReplaceString(MAC, ':', '');
if Length(MAC) < 12 then
Exit;
HexMac := '';
for n := 0 to 5 do
begin
b := StrToIntDef('$' + MAC[n * 2 + 1] + MAC[n * 2 + 2], 0);
HexMac := HexMac + AnsiChar(b);
end;
if IP = '' then
IP := cBroadcast;
sock := TUDPBlockSocket.Create;
try
sock.CreateSocket;
sock.EnableBroadcast(true);
sock.Connect(IP, '9');
data := #$FF + #$FF + #$FF + #$FF + #$FF + #$FF;
for n := 1 to 16 do
data := data + HexMac;
sock.SendString(data);
finally
sock.Free;
end;
end;
end;
{==============================================================================}
{$IFNDEF UNIX}
function GetDNSbyIpHlp: string;
type
PTIP_ADDRESS_STRING = ^TIP_ADDRESS_STRING;
TIP_ADDRESS_STRING = array[0..15] of Ansichar;
PTIP_ADDR_STRING = ^TIP_ADDR_STRING;
TIP_ADDR_STRING = packed record
Next: PTIP_ADDR_STRING;
IpAddress: TIP_ADDRESS_STRING;
IpMask: TIP_ADDRESS_STRING;
Context: DWORD;
end;
PTFixedInfo = ^TFixedInfo;
TFixedInfo = packed record
HostName: array[1..128 + 4] of Ansichar;
DomainName: array[1..128 + 4] of Ansichar;
CurrentDNSServer: PTIP_ADDR_STRING;
DNSServerList: TIP_ADDR_STRING;
NodeType: UINT;
ScopeID: array[1..256 + 4] of Ansichar;
EnableRouting: UINT;
EnableProxy: UINT;
EnableDNS: UINT;
end;
const
IpHlpDLL = 'IPHLPAPI.DLL';
var
IpHlpModule: THandle;
FixedInfo: PTFixedInfo;
InfoSize: Longint;
PDnsServer: PTIP_ADDR_STRING;
err: integer;
GetNetworkParams: function(FixedInfo: PTFixedInfo; pOutPutLen: PULONG): DWORD; stdcall;
begin
InfoSize := 0;
Result := '...';
IpHlpModule := LoadLibrary(IpHlpDLL);
if IpHlpModule = 0 then
exit;
try
GetNetworkParams := GetProcAddress(IpHlpModule,PAnsiChar(AnsiString('GetNetworkParams')));
if @GetNetworkParams = nil then
Exit;
err := GetNetworkParams(Nil, @InfoSize);
if err <> ERROR_BUFFER_OVERFLOW then
Exit;
Result := '';
GetMem (FixedInfo, InfoSize);
try
err := GetNetworkParams(FixedInfo, @InfoSize);
if err <> ERROR_SUCCESS then
exit;
with FixedInfo^ do
begin
Result := DnsServerList.IpAddress;
PDnsServer := DnsServerList.Next;
while PDnsServer <> Nil do
begin
if Result <> '' then
Result := Result + ',';
Result := Result + PDnsServer^.IPAddress;
PDnsServer := PDnsServer.Next;
end;
end;
finally
FreeMem(FixedInfo);
end;
finally
FreeLibrary(IpHlpModule);
end;
end;
function ReadReg(SubKey, Vn: PChar): string;
var
OpenKey: HKEY;
DataType, DataSize: integer;
Temp: array [0..2048] of char;
begin
Result := '';
if RegOpenKeyEx(HKEY_LOCAL_MACHINE, SubKey, REG_OPTION_NON_VOLATILE,
KEY_READ, OpenKey) = ERROR_SUCCESS then
begin
DataType := REG_SZ;
DataSize := SizeOf(Temp);
if RegQueryValueEx(OpenKey, Vn, nil, @DataType, @Temp, @DataSize) = ERROR_SUCCESS then
SetString(Result, Temp, DataSize div SizeOf(Char) - 1);
RegCloseKey(OpenKey);
end;
end ;
{$ENDIF}
function GetDNS: string;
{$IFDEF UNIX}
var
l: TStringList;
n: integer;
begin
Result := '';
l := TStringList.Create;
try
l.LoadFromFile('/etc/resolv.conf');
for n := 0 to l.Count - 1 do
if Pos('NAMESERVER', uppercase(l[n])) = 1 then
begin
if Result <> '' then
Result := Result + ',';
Result := Result + SeparateRight(l[n], ' ');
end;
finally
l.Free;
end;
end;
{$ELSE}
const
NTdyn = 'System\CurrentControlSet\Services\Tcpip\Parameters\Temporary';
NTfix = 'System\CurrentControlSet\Services\Tcpip\Parameters';
W9xfix = 'System\CurrentControlSet\Services\MSTCP';
begin
Result := GetDNSbyIpHlp;
if Result = '...' then
begin
if Win32Platform = VER_PLATFORM_WIN32_NT then
begin
Result := ReadReg(NTdyn, 'NameServer');
if result = '' then
Result := ReadReg(NTfix, 'NameServer');
if result = '' then
Result := ReadReg(NTfix, 'DhcpNameServer');
end
else
Result := ReadReg(W9xfix, 'NameServer');
Result := ReplaceString(trim(Result), ' ', ',');
end;
end;
{$ENDIF}
{==============================================================================}
function GetIEProxy(protocol: string): TProxySetting;
{$IFNDEF MSWINDOWS}
begin
Result.Host := '';
Result.Port := '';
Result.Bypass := '';
Result.ResultCode := -1;
Result.Autodetected := false;
end;
{$ELSE}
type
PInternetPerConnOption = ^INTERNET_PER_CONN_OPTION;
INTERNET_PER_CONN_OPTION = record
dwOption: DWORD;
case Integer of
0: (dwValue: DWORD);
// 1: (pszValue:LPTSTR);
1: (pszValue:PAnsiChar);
2: (ftValue: FILETIME);
end;
PInternetPerConnOptionList = ^INTERNET_PER_CONN_OPTION_LIST;
INTERNET_PER_CONN_OPTION_LIST = record
dwSize :DWORD;
// pszConnection :LPTSTR;
pszConnection :PAnsiChar;
dwOptionCount :DWORD;
dwOptionError :DWORD;
pOptions :PInternetPerConnOption;
end;
const
INTERNET_PER_CONN_FLAGS = 1;
INTERNET_PER_CONN_PROXY_SERVER = 2;
INTERNET_PER_CONN_PROXY_BYPASS = 3;
INTERNET_PER_CONN_AUTOCONFIG_URL = 4;
INTERNET_PER_CONN_AUTODISCOVERY_FLAGS = 5;
PROXY_TYPE_DIRECT = $00000001; // direct to net
PROXY_TYPE_PROXY = $00000002; // via named proxy
PROXY_TYPE_AUTO_PROXY_URL = $00000004; // autoproxy URL
PROXY_TYPE_AUTO_DETECT = $00000008; // use autoproxy detection
AUTO_PROXY_FLAG_USER_SET = $00000001; // user changed this setting
AUTO_PROXY_FLAG_ALWAYS_DETECT = $00000002; // force detection even when its not needed
AUTO_PROXY_FLAG_DETECTION_RUN = $00000004; // detection has been run
AUTO_PROXY_FLAG_MIGRATED = $00000008; // migration has just been done
AUTO_PROXY_FLAG_DONT_CACHE_PROXY_RESULT = $00000010; // don't cache result of host=proxy name
AUTO_PROXY_FLAG_CACHE_INIT_RUN = $00000020; // don't initalize and run unless URL expired
AUTO_PROXY_FLAG_DETECTION_SUSPECT = $00000040; // if we're on a LAN & Modem, with only one IP, bad?!?
INTERNET_OPTION_PER_CONNECTION_OPTION = 75;
WininetDLL = 'WININET.DLL';
var
WininetModule: THandle;
Option : array[0..4] of INTERNET_PER_CONN_OPTION;
List : INTERNET_PER_CONN_OPTION_LIST;
Err: Boolean;
Len: DWORD;
Proxy: string;
DefProxy: string;
ProxyList: TStringList;
n: integer;
InternetQueryOption: function (hInet: Pointer; dwOption: DWORD;
lpBuffer: Pointer; var lpdwBufferLength: DWORD): BOOL; stdcall;
begin
Result.Host := '';
Result.Port := '';
Result.Bypass := '';
Result.ResultCode := 0;
Result.Autodetected := false;
WininetModule := LoadLibrary(WininetDLL);
if WininetModule = 0 then
exit;
try
InternetQueryOption := GetProcAddress(WininetModule,PAnsiChar(AnsiString('InternetQueryOptionA')));
if @InternetQueryOption = nil then
Exit;
if protocol = '' then
protocol := 'http';
ProxyList := TStringList.Create;
try
Option[0].dwOption := INTERNET_PER_CONN_AUTOCONFIG_URL;
Option[1].dwOption := INTERNET_PER_CONN_AUTODISCOVERY_FLAGS;
Option[2].dwOption := INTERNET_PER_CONN_FLAGS;
Option[3].dwOption := INTERNET_PER_CONN_PROXY_BYPASS;
Option[4].dwOption := INTERNET_PER_CONN_PROXY_SERVER;
List.dwSize := SizeOf(INTERNET_PER_CONN_OPTION_LIST);
List.pszConnection := nil; // LAN
List.dwOptionCount := 5;
List.dwOptionError := 0;
List.pOptions := @Option;
Err := InternetQueryOption(nil, INTERNET_OPTION_PER_CONNECTION_OPTION, @List, List.dwSize);
if Err then
begin
ProxyList.CommaText := ReplaceString(Option[4].pszValue, ' ', ',');
Proxy := '';
DefProxy := '';
for n := 0 to ProxyList.Count -1 do
begin
if Pos(lowercase(protocol) + '=', lowercase(ProxyList[n])) = 1 then
begin
Proxy := SeparateRight(ProxyList[n], '=');
break;
end;
if Pos('=', ProxyList[n]) < 1 then
DefProxy := ProxyList[n];
end;
if Proxy = '' then
Proxy := DefProxy;
if Proxy <> '' then
begin
Result.Host := Trim(SeparateLeft(Proxy, ':'));
Result.Port := Trim(SeparateRight(Proxy, ':'));
end;
Result.Bypass := ReplaceString(Option[3].pszValue, ' ', ',');
end;
finally
ProxyList.Free;
end;
finally
FreeLibrary(WininetModule);
end;
end;
{$ENDIF}
{==============================================================================}
function GetLocalIPsFamily(value: TSocketFamily): string;
var
TcpSock: TTCPBlockSocket;
ipList: TStringList;
begin
Result := '';
ipList := TStringList.Create;
try
TcpSock := TTCPBlockSocket.create;
try
if value <> SF_Any then
TcpSock.family := value;
TcpSock.ResolveNameToIP(TcpSock.LocalName, ipList);
Result := ipList.CommaText;
finally
TcpSock.Free;
end;
finally
ipList.Free;
end;
end;
function GetLocalIPs: string;
begin
Result := GetLocalIPsFamily(SF_Any);
end;
{==============================================================================}
{$IFDEF MSWINDOWS}
function GetProxyForURL(const AURL: WideString): TProxySetting;
type
HINTERNET = Pointer;
INTERNET_PORT = Word;
PWinHTTPProxyInfo = ^TWinHTTPProxyInfo;
WINHTTP_PROXY_INFO = record
dwAccessType: DWORD;
lpszProxy: LPWSTR;
lpszProxyBypass: LPWSTR;
end;
TWinHTTPProxyInfo = WINHTTP_PROXY_INFO;
LPWINHTTP_PROXY_INFO = PWinHTTPProxyInfo;
PWinHTTPAutoProxyOptions = ^TWinHTTPAutoProxyOptions;
WINHTTP_AUTOPROXY_OPTIONS = record
dwFlags: DWORD;
dwAutoDetectFlags: DWORD;
lpszAutoConfigUrl: LPCWSTR;
lpvReserved: Pointer;
dwReserved: DWORD;
fAutoLogonIfChallenged: BOOL;
end;
TWinHTTPAutoProxyOptions = WINHTTP_AUTOPROXY_OPTIONS;
LPWINHTTP_AUTOPROXY_OPTIONS = PWinHTTPAutoProxyOptions;
PWinHTTPCurrentUserIEProxyConfig = ^TWinHTTPCurrentUserIEProxyConfig;
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG = record
fAutoDetect: BOOL;
lpszAutoConfigUrl: LPWSTR;
lpszProxy: LPWSTR;
lpszProxyBypass: LPWSTR;
end;
TWinHTTPCurrentUserIEProxyConfig = WINHTTP_CURRENT_USER_IE_PROXY_CONFIG;
LPWINHTTP_CURRENT_USER_IE_PROXY_CONFIG = PWinHTTPCurrentUserIEProxyConfig;
const
WINHTTP_NO_REFERER = nil;
WINHTTP_NO_PROXY_NAME = nil;
WINHTTP_NO_PROXY_BYPASS = nil;
WINHTTP_DEFAULT_ACCEPT_TYPES = nil;
WINHTTP_ACCESS_TYPE_DEFAULT_PROXY = 0;
WINHTTP_ACCESS_TYPE_NO_PROXY = 1;
WINHTTP_OPTION_PROXY = 38;
WINHTTP_OPTION_PROXY_USERNAME = $1002;
WINHTTP_OPTION_PROXY_PASSWORD = $1003;
WINHTTP_AUTOPROXY_AUTO_DETECT = $00000001;
WINHTTP_AUTOPROXY_CONFIG_URL = $00000002;
WINHTTP_AUTO_DETECT_TYPE_DHCP = $00000001;
WINHTTP_AUTO_DETECT_TYPE_DNS_A = $00000002;
WINHTTP_FLAG_BYPASS_PROXY_CACHE = $00000100;
WINHTTP_FLAG_REFRESH = WINHTTP_FLAG_BYPASS_PROXY_CACHE;
var
WinHttpModule: THandle;
Session: HINTERNET;
AutoDetectProxy: Boolean;
WinHttpProxyInfo: TWinHTTPProxyInfo;
AutoProxyOptions: TWinHTTPAutoProxyOptions;
IEProxyConfig: TWinHTTPCurrentUserIEProxyConfig;
WinHttpOpen: function (pwszUserAgent: LPCWSTR; dwAccessType: DWORD;
pwszProxyName, pwszProxyBypass: LPCWSTR; dwFlags: DWORD): HINTERNET; stdcall;
WinHttpConnect: function(hSession: HINTERNET; pswzServerName: LPCWSTR;
nServerPort: INTERNET_PORT; dwReserved: DWORD): HINTERNET; stdcall;
WinHttpOpenRequest: function(hConnect: HINTERNET; pwszVerb: LPCWSTR;
pwszObjectName: LPCWSTR; pwszVersion: LPCWSTR; pwszReferer: LPCWSTR;
ppwszAcceptTypes: PLPWSTR; dwFlags: DWORD): HINTERNET; stdcall;
WinHttpQueryOption: function(hInet: HINTERNET; dwOption: DWORD;
lpBuffer: Pointer; var lpdwBufferLength: DWORD): BOOL; stdcall;
WinHttpGetProxyForUrl: function(hSession: HINTERNET; lpcwszUrl: LPCWSTR;
pAutoProxyOptions: LPWINHTTP_AUTOPROXY_OPTIONS;
var pProxyInfo: WINHTTP_PROXY_INFO): BOOL; stdcall;
WinHttpGetIEProxyConfigForCurrentUser: function(
var pProxyInfo: WINHTTP_CURRENT_USER_IE_PROXY_CONFIG): BOOL; stdcall;
WinHttpCloseHandle: function(hInternet: HINTERNET): BOOL; stdcall;
begin
Result.Host := '';
Result.Port := '';
Result.Bypass := '';
Result.ResultCode := 0;
Result.Autodetected := false;
WinHttpModule := LoadLibrary('winhttp.dll');
if WinHttpModule = 0 then
exit;
try
WinHttpOpen := GetProcAddress(WinHttpModule,PAnsiChar(AnsiString('WinHttpOpen')));
if @WinHttpOpen = nil then
Exit;
WinHttpConnect := GetProcAddress(WinHttpModule,PAnsiChar(AnsiString('WinHttpConnect')));
if @WinHttpConnect = nil then
Exit;
WinHttpOpenRequest := GetProcAddress(WinHttpModule,PAnsiChar(AnsiString('WinHttpOpenRequest')));
if @WinHttpOpenRequest = nil then
Exit;
WinHttpQueryOption := GetProcAddress(WinHttpModule,PAnsiChar(AnsiString('WinHttpQueryOption')));
if @WinHttpQueryOption = nil then
Exit;
WinHttpGetProxyForUrl := GetProcAddress(WinHttpModule,PAnsiChar(AnsiString('WinHttpGetProxyForUrl')));
if @WinHttpGetProxyForUrl = nil then
Exit;
WinHttpGetIEProxyConfigForCurrentUser := GetProcAddress(WinHttpModule,PAnsiChar(AnsiString('WinHttpGetIEProxyConfigForCurrentUser')));
if @WinHttpGetIEProxyConfigForCurrentUser = nil then
Exit;
WinHttpCloseHandle := GetProcAddress(WinHttpModule,PAnsiChar(AnsiString('WinHttpCloseHandle')));
if @WinHttpCloseHandle = nil then
Exit;
AutoDetectProxy := False;
FillChar(AutoProxyOptions, SizeOf(AutoProxyOptions), 0);
if WinHttpGetIEProxyConfigForCurrentUser(IEProxyConfig) then
begin
if IEProxyConfig.fAutoDetect then
begin
AutoProxyOptions.dwFlags := WINHTTP_AUTOPROXY_AUTO_DETECT;
AutoProxyOptions.dwAutoDetectFlags := WINHTTP_AUTO_DETECT_TYPE_DHCP or
WINHTTP_AUTO_DETECT_TYPE_DNS_A;
AutoDetectProxy := True;
end;
if IEProxyConfig.lpszAutoConfigURL <> '' then
begin
AutoProxyOptions.dwFlags := AutoProxyOptions.dwFlags or
WINHTTP_AUTOPROXY_CONFIG_URL;
AutoProxyOptions.lpszAutoConfigUrl := IEProxyConfig.lpszAutoConfigUrl;
AutoDetectProxy := True;
end;
if not AutoDetectProxy then
begin
Result.Host := IEProxyConfig.lpszProxy;
Result.Bypass := IEProxyConfig.lpszProxyBypass;
Result.Autodetected := false;
end;
end
else
begin
AutoProxyOptions.dwFlags := WINHTTP_AUTOPROXY_AUTO_DETECT;
AutoProxyOptions.dwAutoDetectFlags := WINHTTP_AUTO_DETECT_TYPE_DHCP or
WINHTTP_AUTO_DETECT_TYPE_DNS_A;
AutoDetectProxy := True;
end;
if AutoDetectProxy then
begin
Session := WinHttpOpen(nil, WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0);
if Assigned(Session) then
try
if WinHttpGetProxyForUrl(Session, LPCWSTR(AURL),
@AutoProxyOptions, WinHttpProxyInfo) then
begin
Result.Host := WinHttpProxyInfo.lpszProxy;
Result.Bypass := WinHttpProxyInfo.lpszProxyBypass;
Result.Autodetected := True;
end
else
Result.ResultCode := GetLastError;
finally
WinHttpCloseHandle(Session);
end
else
Result.ResultCode := GetLastError;
end;
if Result.Host <> '' then
begin
Result.Port := Trim(SeparateRight(Result.Host, ':'));
Result.Host := Trim(SeparateLeft(Result.Host, ':'));
end;
finally
FreeLibrary(WinHttpModule);
end;
end;
{$ENDIF}
end.
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