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Rev | Author | Line No. | Line |
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68 | daniel-mar | 1 | unit NetworkUtils; |
2 | |||
3 | interface |
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4 | |||
5 | uses |
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6 | Windows, SysUtils, Classes; |
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7 | |||
8 | function GetLocalIPAddressList(outsl: TStrings): DWORD; |
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9 | function GetLocalMACAddressList(outSL: TStrings): DWORD; |
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10 | function GetDHCPIPAddressList(outsl: TStrings): DWORD; |
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11 | function GetGatewayIPAddressList(outsl: TStrings): DWORD; |
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12 | function GetMACAddress(const IPAddress: string; var outAddress: string): DWORD; |
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13 | function FormatMAC(s: string): string; |
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73 | daniel-mar | 14 | function GetDomainName(var outDomainName: WideString): boolean; |
68 | daniel-mar | 15 | |
16 | implementation |
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17 | |||
18 | uses |
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92 | daniel-mar | 19 | iphlpapi, IpTypes, Iprtrmib, WinSock, Registry; |
68 | daniel-mar | 20 | |
21 | // TODO: Replace GetAdaptersInfo()? A comment at MSDN states that there might be problems with IPv6 |
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22 | // "GetAdaptersInfo returns ERROR_NO_DATA if there are only IPv6 interfaces |
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23 | // configured on system. In that case GetAdapterAddresses has to be used!" |
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24 | |||
25 | function GetLocalIPAddressList(outsl: TStrings): DWORD; |
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26 | var |
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27 | pAdapterInfo: PIP_ADAPTER_INFO; |
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92 | daniel-mar | 28 | addr: AnsiString; |
68 | daniel-mar | 29 | addrStr: IP_ADDR_STRING; |
30 | BufLen: Cardinal; |
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31 | begin |
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32 | BufLen := SizeOf(IP_ADAPTER_INFO); |
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92 | daniel-mar | 33 | Result := GetAdaptersInfo(nil, BufLen); |
71 | daniel-mar | 34 | if Result <> ERROR_BUFFER_OVERFLOW then Exit; |
68 | daniel-mar | 35 | pAdapterInfo := AllocMem(BufLen); |
36 | try |
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92 | daniel-mar | 37 | ZeroMemory(pAdapterInfo, BufLen); |
38 | Result := GetAdaptersInfo(pAdapterInfo, BufLen); |
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70 | daniel-mar | 39 | if Result <> ERROR_SUCCESS then Exit; |
68 | daniel-mar | 40 | while pAdapterInfo <> nil do |
41 | begin |
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42 | addrStr := pAdapterInfo^.IpAddressList; |
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43 | repeat |
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44 | addr := addrStr.IpAddress.S; |
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45 | if (addr <> '') and (outsl.IndexOf(addr) = -1) then |
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46 | outsl.Add(addr); |
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47 | if addrStr.Next = nil then break; |
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48 | AddrStr := addrStr.Next^; |
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49 | until false; |
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50 | pAdapterInfo := pAdapterInfo^.next; |
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51 | end; |
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52 | finally |
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53 | Freemem(pAdapterInfo); |
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54 | end; |
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55 | end; |
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56 | |||
57 | function GetDHCPIPAddressList(outsl: TStrings): DWORD; |
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58 | var |
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59 | pAdapterInfo: PIP_ADAPTER_INFO; |
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92 | daniel-mar | 60 | addr: AnsiString; |
68 | daniel-mar | 61 | addrStr: IP_ADDR_STRING; |
62 | BufLen: Cardinal; |
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63 | begin |
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64 | BufLen := SizeOf(IP_ADAPTER_INFO); |
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92 | daniel-mar | 65 | Result := GetAdaptersInfo(nil, BufLen); |
71 | daniel-mar | 66 | if Result <> ERROR_BUFFER_OVERFLOW then Exit; |
68 | daniel-mar | 67 | pAdapterInfo := AllocMem(BufLen); |
68 | try |
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92 | daniel-mar | 69 | ZeroMemory(pAdapterInfo, BufLen); |
70 | Result := GetAdaptersInfo(pAdapterInfo, BufLen); |
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70 | daniel-mar | 71 | if Result <> ERROR_SUCCESS then Exit; |
68 | daniel-mar | 72 | while pAdapterInfo <> nil do |
73 | begin |
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74 | addrStr := pAdapterInfo^.DhcpServer; |
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75 | repeat |
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76 | addr := addrStr.IpAddress.S; |
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77 | if (addr <> '') and (outsl.IndexOf(addr) = -1) then |
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78 | outsl.Add(addr); |
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79 | if addrStr.Next = nil then break; |
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80 | AddrStr := addrStr.Next^; |
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81 | until false; |
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82 | pAdapterInfo := pAdapterInfo^.next; |
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83 | end; |
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84 | finally |
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85 | Freemem(pAdapterInfo); |
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86 | end; |
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87 | end; |
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88 | |||
89 | function GetGatewayIPAddressList(outsl: TStrings): DWORD; |
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90 | var |
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91 | pAdapterInfo: PIP_ADAPTER_INFO; |
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92 | daniel-mar | 92 | addr: AnsiString; |
68 | daniel-mar | 93 | addrStr: IP_ADDR_STRING; |
94 | BufLen: Cardinal; |
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95 | begin |
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96 | BufLen := SizeOf(IP_ADAPTER_INFO); |
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92 | daniel-mar | 97 | Result := GetAdaptersInfo(nil, BufLen); |
71 | daniel-mar | 98 | if Result <> ERROR_BUFFER_OVERFLOW then Exit; |
68 | daniel-mar | 99 | pAdapterInfo := AllocMem(BufLen); |
100 | try |
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92 | daniel-mar | 101 | ZeroMemory(pAdapterInfo, BufLen); |
102 | Result := GetAdaptersInfo(pAdapterInfo, BufLen); |
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70 | daniel-mar | 103 | if Result <> ERROR_SUCCESS then Exit; |
68 | daniel-mar | 104 | while pAdapterInfo <> nil do |
105 | begin |
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106 | addrStr := pAdapterInfo^.GatewayList; |
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107 | repeat |
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108 | addr := addrStr.IpAddress.S; |
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109 | if (addr <> '') and (outsl.IndexOf(addr) = -1) then |
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110 | outsl.Add(addr); |
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111 | if addrStr.Next = nil then break; |
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112 | AddrStr := addrStr.Next^; |
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113 | until false; |
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114 | pAdapterInfo := pAdapterInfo^.next; |
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115 | end; |
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116 | finally |
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117 | Freemem(pAdapterInfo); |
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118 | end; |
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119 | end; |
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120 | |||
121 | function GetMACAddress(const IPAddress: string; var outAddress: string): DWORD; |
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122 | // http://stackoverflow.com/questions/4550672/delphi-get-mac-of-router |
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123 | var |
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124 | MacAddr : Array[0..5] of Byte; |
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125 | DestIP : ULONG; |
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126 | PhyAddrLen : ULONG; |
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127 | WSAData : TWSAData; |
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128 | j: integer; |
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129 | begin |
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130 | outAddress := ''; |
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131 | WSAStartup($0101, WSAData); |
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132 | try |
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133 | ZeroMemory(@MacAddr, SizeOf(MacAddr)); |
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134 | DestIP := inet_addr(PAnsiChar(IPAddress)); |
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135 | PhyAddrLen := SizeOf(MacAddr); // TODO: more ? |
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92 | daniel-mar | 136 | Result := SendArp(DestIP, 0, @MacAddr, PhyAddrLen); |
68 | daniel-mar | 137 | if Result = S_OK then |
138 | begin |
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139 | outAddress := ''; |
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140 | for j := 0 to PhyAddrLen-1 do |
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141 | begin |
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142 | outAddress := outAddress + format('%.2x', [MacAddr[j]]); |
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143 | end; |
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144 | outAddress := FormatMAC(outAddress); |
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145 | end; |
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146 | finally |
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147 | WSACleanup; |
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148 | end; |
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149 | end; |
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150 | |||
151 | function GetLocalMACAddressList(outSL: TStrings): DWORD; |
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152 | var |
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92 | daniel-mar | 153 | pIfTable: PMIB_IFTABLE; |
154 | TableSize: Cardinal; |
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68 | daniel-mar | 155 | tmp: String; |
156 | i, j: Integer; |
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157 | begin |
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158 | pIfTable := nil; |
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159 | try |
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160 | // First: just get the buffer size. |
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161 | // TableSize returns the size needed. |
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92 | daniel-mar | 162 | TableSize := 0; // Set to zero so the GetIfTable function won't try to fill the buffer yet, |
163 | // but only return the actual size it needs. |
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164 | GetIfTable(pIfTable, TableSize, true); |
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68 | daniel-mar | 165 | if (TableSize < SizeOf(MIB_IFROW)+SizeOf(LongInt)) then |
166 | begin |
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167 | Result := ERROR_NO_DATA; |
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168 | Exit; // less than 1 table entry?! |
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169 | end; |
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170 | |||
171 | // Second: |
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172 | // allocate memory for the buffer and retrieve the |
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173 | // entire table. |
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174 | GetMem(pIfTable, TableSize); |
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92 | daniel-mar | 175 | Result := GetIfTable(pIfTable, TableSize, true); |
68 | daniel-mar | 176 | if Result <> NO_ERROR then Exit; |
177 | |||
178 | // Read the ETHERNET addresses. |
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92 | daniel-mar | 179 | for i := 1 to pIfTable^.dwNumEntries do |
68 | daniel-mar | 180 | begin |
92 | daniel-mar | 181 | //if pIfTable^.table[i].dwType = MIB_IF_TYPE_ETHERNET then |
68 | daniel-mar | 182 | begin |
183 | tmp := ''; |
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92 | daniel-mar | 184 | for j := 0 to pIfTable^.table[i].dwPhysAddrLen-1 do |
68 | daniel-mar | 185 | begin |
92 | daniel-mar | 186 | tmp := tmp + format('%.2x', [pIfTable^.table[i].bPhysAddr[j]]); |
68 | daniel-mar | 187 | end; |
188 | tmp := FormatMAC(tmp); |
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189 | if (tmp <> '') and (outSL.IndexOf(tmp) = -1) then |
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190 | outSL.Add(tmp); |
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191 | end; |
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192 | end; |
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193 | finally |
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194 | if Assigned(pIfTable) then FreeMem(pIfTable, TableSize); |
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195 | end; |
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196 | end; |
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197 | |||
198 | function FormatMAC(s: string): string; |
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199 | var |
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200 | m: integer; |
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201 | begin |
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202 | result := ''; |
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203 | m := 1; |
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204 | s := UpperCase(s); |
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205 | repeat |
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206 | if m > 1 then result := result + '-'; |
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207 | result := result + Copy(s, m, 2); |
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208 | inc(m, 2); |
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209 | until m > Length(s); |
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210 | end; |
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211 | |||
73 | daniel-mar | 212 | (* |
213 | type |
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214 | WKSTA_INFO_100 = Record |
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215 | wki100_platform_id : DWORD; |
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216 | wki100_computername : LPWSTR; |
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217 | wki100_langroup : LPWSTR; |
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218 | wki100_ver_major : DWORD; |
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219 | wki100_ver_minor : DWORD; |
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220 | End; |
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221 | |||
222 | LPWKSTA_INFO_100 = ^WKSTA_INFO_100; |
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223 | |||
224 | function GetNetParam(AParam: integer): string; |
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225 | Var |
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226 | PBuf : LPWKSTA_INFO_100; |
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227 | Res : LongInt; |
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228 | begin |
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229 | result := ''; |
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230 | Res := NetWkstaGetInfo(nil, 100, @PBuf); |
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231 | If Res = NERR_Success Then |
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232 | begin |
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233 | case AParam of |
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234 | 0: Result := string(PBuf^.wki100_computername); |
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235 | 1: Result := string(PBuf^.wki100_langroup); |
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236 | end; |
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237 | end; |
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238 | end; |
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239 | |||
240 | function GetTheComputerName: string; |
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241 | begin |
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242 | Result := GetNetParam(0); |
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243 | end; |
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244 | |||
245 | function GetTheDomainName: string; |
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246 | begin |
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247 | Result := GetNetParam(1); |
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248 | end; |
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249 | |||
250 | *) |
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251 | |||
252 | function GetDomainName(var outDomainName: WideString): boolean; |
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253 | var |
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254 | reg: TRegistry; |
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255 | begin |
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256 | outDomainName := ''; |
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257 | reg := TRegistry.Create; |
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258 | try |
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259 | reg.RootKey := HKEY_LOCAL_MACHINE; |
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260 | result := reg.OpenKeyReadOnly('\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters'); |
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261 | if result then |
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262 | begin |
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263 | outDomainName := reg.ReadString('Domain'); |
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264 | reg.CloseKey; |
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265 | end; |
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266 | finally |
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267 | reg.Free; |
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268 | end; |
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269 | end; |
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270 | |||
68 | daniel-mar | 271 | end. |