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Rev | Author | Line No. | Line |
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68 | daniel-mar | 1 | unit UD2_Obj; |
2 | |||
3 | interface |
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4 | |||
5 | {$IF CompilerVersion >= 25.0} |
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6 | {$LEGACYIFEND ON} |
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7 | {$IFEND} |
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8 | |||
70 | daniel-mar | 9 | {$INCLUDE 'UserDetect2.inc'} |
10 | |||
81 | daniel-mar | 11 | {$WARN UNSAFE_CODE OFF} |
12 | {$WARN UNSAFE_TYPE OFF} |
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13 | |||
68 | daniel-mar | 14 | uses |
71 | daniel-mar | 15 | Windows, SysUtils, Classes, IniFiles, Contnrs, Dialogs, UD2_PluginIntf, |
16 | UD2_PluginStatus; |
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68 | daniel-mar | 17 | |
18 | const |
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69 | daniel-mar | 19 | cchBufferSize = 32768; |
68 | daniel-mar | 20 | |
21 | type |
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22 | TUD2Plugin = class(TObject) |
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23 | protected |
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24 | FDetectedIdentifications: TObjectList{<TUD2IdentificationEntry>}; |
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25 | public |
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26 | PluginDLL: string; |
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27 | PluginGUID: TGUID; |
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28 | PluginName: WideString; |
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29 | PluginVendor: WideString; |
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30 | PluginVersion: WideString; |
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31 | IdentificationMethodName: WideString; |
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70 | daniel-mar | 32 | |
33 | // ONLY contains the non-failure status code of IdentificationStringW |
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34 | IdentificationProcedureStatusCode: UD2_STATUS; |
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35 | IdentificationProcedureStatusCodeDescribed: WideString; |
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36 | |||
69 | daniel-mar | 37 | Time: Cardinal; |
68 | daniel-mar | 38 | function PluginGUIDString: string; |
39 | property DetectedIdentifications: TObjectList{<TUD2IdentificationEntry>} |
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40 | read FDetectedIdentifications; |
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41 | destructor Destroy; override; |
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42 | constructor Create; |
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43 | procedure AddIdentification(IdStr: WideString); |
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44 | end; |
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45 | |||
46 | TUD2IdentificationEntry = class(TObject) |
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47 | private |
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48 | FIdentificationString: WideString; |
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49 | FPlugin: TUD2Plugin; |
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50 | public |
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51 | property IdentificationString: WideString read FIdentificationString; |
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52 | property Plugin: TUD2Plugin read FPlugin; |
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53 | function GetPrimaryIdName: WideString; |
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54 | procedure GetIdNames(sl: TStrings); |
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55 | constructor Create(AIdentificationString: WideString; APlugin: TUD2Plugin); |
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56 | end; |
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57 | |||
58 | TUD2 = class(TObject) |
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59 | private |
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70 | daniel-mar | 60 | {$IFDEF CHECK_FOR_SAME_PLUGIN_GUID} |
68 | daniel-mar | 61 | FGUIDLookup: TStrings; |
70 | daniel-mar | 62 | {$ENDIF} |
68 | daniel-mar | 63 | protected |
64 | FLoadedPlugins: TObjectList{<TUD2Plugin>}; |
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65 | FIniFile: TMemIniFile; |
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66 | FErrors: TStrings; |
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67 | FIniFileName: string; |
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68 | public |
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69 | property IniFileName: string read FIniFileName; |
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70 | property Errors: TStrings read FErrors; |
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71 | property LoadedPlugins: TObjectList{<TUD2Plugin>} read FLoadedPlugins; |
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72 | property IniFile: TMemIniFile read FIniFile; |
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81 | daniel-mar | 73 | |
74 | procedure GetAllIdNames(outSL: TStrings); |
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75 | function FulfilsEverySubterm(idTerm: WideString; slIdNames: TStrings=nil): boolean; |
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76 | |||
77 | |||
68 | daniel-mar | 78 | procedure GetCommandList(ShortTaskName: string; outSL: TStrings); |
80 | daniel-mar | 79 | procedure HandlePluginDir(APluginDir, AFileMask: string); |
68 | daniel-mar | 80 | procedure GetTaskListing(outSL: TStrings); |
81 | constructor Create(AIniFileName: string); |
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82 | destructor Destroy; override; |
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83 | function TaskExists(ShortTaskName: string): boolean; |
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80 | daniel-mar | 84 | function ReadMetatagString(ShortTaskName, MetatagName: string; DefaultVal: string): string; |
85 | function ReadMetatagBool(ShortTaskName, MetatagName: string; DefaultVal: string): boolean; |
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68 | daniel-mar | 86 | function GetTaskName(AShortTaskName: string): string; |
71 | daniel-mar | 87 | class function GenericErrorLookup(grStatus: UD2_STATUS): string; |
68 | daniel-mar | 88 | end; |
89 | |||
90 | implementation |
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91 | |||
92 | uses |
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70 | daniel-mar | 93 | UD2_Utils; |
68 | daniel-mar | 94 | |
69 | daniel-mar | 95 | type |
96 | TUD2PluginLoader = class(TThread) |
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97 | protected |
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98 | dllFile: string; |
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99 | lngID: LANGID; |
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100 | procedure Execute; override; |
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70 | daniel-mar | 101 | function HandleDLL: boolean; |
69 | daniel-mar | 102 | public |
103 | pl: TUD2Plugin; |
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104 | Errors: TStringList; |
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105 | constructor Create(Suspended: boolean; DLL: string; alngid: LANGID); |
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106 | destructor Destroy; override; |
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107 | end; |
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108 | |||
71 | daniel-mar | 109 | class function TUD2.GenericErrorLookup(grStatus: UD2_STATUS): string; |
68 | daniel-mar | 110 | resourcestring |
80 | daniel-mar | 111 | LNG_STATUS_OK_UNSPECIFIED = 'Success (Unspecified)'; |
112 | LNG_STATUS_OK_SINGLELINE = 'Success (One identifier returned)'; |
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113 | LNG_STATUS_OK_MULTILINE = 'Success (Multiple identifiers returned)'; |
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114 | LNG_UNKNOWN_SUCCESS = 'Success (Unknown status code %s)'; |
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69 | daniel-mar | 115 | |
80 | daniel-mar | 116 | LNG_STATUS_NOTAVAIL_UNSPECIFIED = 'Not available (Unspecified)'; |
117 | LNG_STATUS_NOTAVAIL_OS_NOT_SUPPORTED = 'Not available (Operating system not supported)'; |
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118 | LNG_STATUS_NOTAVAIL_HW_NOT_SUPPORTED = 'Not available (Hardware not supported)'; |
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119 | LNG_STATUS_NOTAVAIL_NO_ENTITIES = 'Not available (No entities to identify)'; |
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120 | LNG_STATUS_NOTAVAIL_WINAPI_CALL_FAILURE = 'Not available (A Windows API call failed. Message: %s)'; |
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121 | LNG_UNKNOWN_NOTAVAIL = 'Not available (Unknown status code %s)'; |
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69 | daniel-mar | 122 | |
80 | daniel-mar | 123 | LNG_STATUS_ERROR_UNSPECIFIED = 'Error (Unspecified)'; |
124 | LNG_STATUS_ERROR_BUFFER_TOO_SMALL = 'Error (The provided buffer is too small!)'; |
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125 | LNG_STATUS_ERROR_INVALID_ARGS = 'Error (The function received invalid arguments!)'; |
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126 | LNG_STATUS_ERROR_PLUGIN_NOT_LICENSED = 'Error (The plugin is not licensed)'; |
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127 | LNG_UNKNOWN_FAILED = 'Error (Unknown status code %s)'; |
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69 | daniel-mar | 128 | |
71 | daniel-mar | 129 | LNG_UNKNOWN_STATUS = 'Unknown status code with unexpected category: %s'; |
68 | daniel-mar | 130 | begin |
71 | daniel-mar | 131 | if UD2_STATUS_Equal(grStatus, UD2_STATUS_OK_UNSPECIFIED, false) then result := LNG_STATUS_OK_UNSPECIFIED |
132 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_OK_SINGLELINE, false) then result := LNG_STATUS_OK_SINGLELINE |
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133 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_OK_MULTILINE, false) then result := LNG_STATUS_OK_MULTILINE |
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69 | daniel-mar | 134 | |
71 | daniel-mar | 135 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_NOTAVAIL_UNSPECIFIED, false) then result := LNG_STATUS_NOTAVAIL_UNSPECIFIED |
136 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_NOTAVAIL_OS_NOT_SUPPORTED, false) then result := LNG_STATUS_NOTAVAIL_OS_NOT_SUPPORTED |
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137 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_NOTAVAIL_HW_NOT_SUPPORTED, false) then result := LNG_STATUS_NOTAVAIL_HW_NOT_SUPPORTED |
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138 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_NOTAVAIL_NO_ENTITIES, false) then result := LNG_STATUS_NOTAVAIL_NO_ENTITIES |
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139 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_NOTAVAIL_WINAPI_CALL_FAILURE, false) then result := Format(LNG_STATUS_NOTAVAIL_WINAPI_CALL_FAILURE, [FormatOSError(grStatus.dwExtraInfo)]) |
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69 | daniel-mar | 140 | |
71 | daniel-mar | 141 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_FAILURE_UNSPECIFIED, false) then result := LNG_STATUS_ERROR_UNSPECIFIED |
142 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_FAILURE_BUFFER_TOO_SMALL, false) then result := LNG_STATUS_ERROR_BUFFER_TOO_SMALL |
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143 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_FAILURE_INVALID_ARGS, false) then result := LNG_STATUS_ERROR_INVALID_ARGS |
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144 | else if UD2_STATUS_Equal(grStatus, UD2_STATUS_FAILURE_PLUGIN_NOT_LICENSED, false) then result := LNG_STATUS_ERROR_PLUGIN_NOT_LICENSED |
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69 | daniel-mar | 145 | |
71 | daniel-mar | 146 | else if grStatus.wCategory = UD2_STATUSCAT_SUCCESS then result := Format(LNG_UNKNOWN_SUCCESS, [UD2_STATUS_FormatStatusCode(grStatus)]) |
147 | else if grStatus.wCategory = UD2_STATUSCAT_NOT_AVAIL then result := Format(LNG_UNKNOWN_NOTAVAIL, [UD2_STATUS_FormatStatusCode(grStatus)]) |
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148 | else if grStatus.wCategory = UD2_STATUSCAT_FAILED then result := Format(LNG_UNKNOWN_FAILED, [UD2_STATUS_FormatStatusCode(grStatus)]) |
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149 | else result := Format(LNG_UNKNOWN_STATUS, [UD2_STATUS_FormatStatusCode(grStatus)]); |
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68 | daniel-mar | 150 | end; |
151 | |||
152 | { TUD2Plugin } |
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153 | |||
154 | function TUD2Plugin.PluginGUIDString: string; |
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155 | begin |
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156 | result := UpperCase(GUIDToString(PluginGUID)); |
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157 | end; |
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158 | |||
159 | procedure TUD2Plugin.AddIdentification(IdStr: WideString); |
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160 | begin |
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161 | DetectedIdentifications.Add(TUD2IdentificationEntry.Create(IdStr, Self)) |
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162 | end; |
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163 | |||
164 | destructor TUD2Plugin.Destroy; |
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165 | begin |
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166 | DetectedIdentifications.Free; |
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167 | inherited; |
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168 | end; |
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169 | |||
170 | constructor TUD2Plugin.Create; |
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171 | begin |
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172 | inherited Create; |
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173 | FDetectedIdentifications := TObjectList{<TUD2IdentificationEntry>}.Create(true); |
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174 | end; |
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175 | |||
176 | { TUD2IdentificationEntry } |
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177 | |||
178 | function TUD2IdentificationEntry.GetPrimaryIdName: WideString; |
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179 | begin |
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180 | result := Plugin.IdentificationMethodName+':'+IdentificationString; |
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181 | end; |
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182 | |||
183 | procedure TUD2IdentificationEntry.GetIdNames(sl: TStrings); |
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184 | begin |
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185 | sl.Add(GetPrimaryIdName); |
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186 | sl.Add(UpperCase(Plugin.IdentificationMethodName)+':'+IdentificationString); |
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187 | sl.Add(LowerCase(Plugin.IdentificationMethodName)+':'+IdentificationString); |
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188 | sl.Add(UpperCase(Plugin.PluginGUIDString)+':'+IdentificationString); |
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189 | sl.Add(LowerCase(Plugin.PluginGUIDString)+':'+IdentificationString); |
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190 | end; |
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191 | |||
192 | constructor TUD2IdentificationEntry.Create(AIdentificationString: WideString; |
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193 | APlugin: TUD2Plugin); |
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194 | begin |
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195 | inherited Create; |
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196 | FIdentificationString := AIdentificationString; |
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197 | FPlugin := APlugin; |
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198 | end; |
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199 | |||
200 | { TUD2 } |
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201 | |||
80 | daniel-mar | 202 | procedure TUD2.HandlePluginDir(APluginDir, AFileMask: string); |
69 | daniel-mar | 203 | Var |
204 | SR: TSearchRec; |
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205 | path: string; |
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70 | daniel-mar | 206 | pluginLoader: TUD2PluginLoader; |
69 | daniel-mar | 207 | tob: TObjectList; |
68 | daniel-mar | 208 | i: integer; |
70 | daniel-mar | 209 | {$IFDEF CHECK_FOR_SAME_PLUGIN_GUID} |
210 | sPluginID, prevDLL: string; |
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211 | {$ENDIF} |
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69 | daniel-mar | 212 | lngid: LANGID; |
68 | daniel-mar | 213 | resourcestring |
214 | LNG_PLUGINS_SAME_GUID = 'Attention: The plugin "%s" and the plugin "%s" have the same identification GUID. The latter will not be loaded.'; |
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215 | begin |
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69 | daniel-mar | 216 | tob := TObjectList.Create; |
68 | daniel-mar | 217 | try |
69 | daniel-mar | 218 | tob.OwnsObjects := false; |
68 | daniel-mar | 219 | |
69 | daniel-mar | 220 | lngID := GetSystemDefaultLangID; |
68 | daniel-mar | 221 | |
80 | daniel-mar | 222 | path := APluginDir; |
223 | if path <> '' then path := IncludeTrailingPathDelimiter(path); |
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224 | |||
225 | if FindFirst(path + AFileMask, 0, SR) = 0 then |
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68 | daniel-mar | 226 | begin |
227 | try |
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69 | daniel-mar | 228 | repeat |
229 | try |
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80 | daniel-mar | 230 | tob.Add(TUD2PluginLoader.Create(false, path + sr.Name, lngid)); |
69 | daniel-mar | 231 | except |
232 | on E: Exception do |
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233 | begin |
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234 | MessageDlg(E.Message, mtError, [mbOK], 0); |
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235 | end; |
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236 | end; |
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237 | until FindNext(SR) <> 0; |
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68 | daniel-mar | 238 | finally |
69 | daniel-mar | 239 | FindClose(SR); |
68 | daniel-mar | 240 | end; |
241 | end; |
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242 | |||
69 | daniel-mar | 243 | for i := 0 to tob.count-1 do |
68 | daniel-mar | 244 | begin |
70 | daniel-mar | 245 | pluginLoader := tob.items[i] as TUD2PluginLoader; |
246 | pluginLoader.WaitFor; |
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247 | Errors.AddStrings(pluginLoader.Errors); |
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248 | {$IFDEF CHECK_FOR_SAME_PLUGIN_GUID} |
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249 | if Assigned(pluginLoader.pl) then |
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68 | daniel-mar | 250 | begin |
70 | daniel-mar | 251 | sPluginID := GUIDToString(pluginLoader.pl.PluginGUID); |
252 | prevDLL := FGUIDLookup.Values[sPluginID]; |
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253 | if (prevDLL <> '') and (prevDLL <> pluginLoader.pl.PluginDLL) then |
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69 | daniel-mar | 254 | begin |
70 | daniel-mar | 255 | Errors.Add(Format(LNG_PLUGINS_SAME_GUID, [prevDLL, pluginLoader.pl.PluginDLL])); |
256 | pluginLoader.pl.Free; |
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69 | daniel-mar | 257 | end |
258 | else |
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259 | begin |
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70 | daniel-mar | 260 | FGUIDLookup.Values[sPluginID] := pluginLoader.pl.PluginDLL; |
261 | LoadedPlugins.Add(pluginLoader.pl); |
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69 | daniel-mar | 262 | end; |
68 | daniel-mar | 263 | end; |
70 | daniel-mar | 264 | {$ENDIF} |
265 | pluginLoader.Free; |
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68 | daniel-mar | 266 | end; |
267 | finally |
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69 | daniel-mar | 268 | tob.free; |
68 | daniel-mar | 269 | end; |
270 | end; |
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271 | |||
272 | destructor TUD2.Destroy; |
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273 | begin |
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274 | FIniFile.Free; |
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275 | FLoadedPlugins.Free; |
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70 | daniel-mar | 276 | {$IFDEF CHECK_FOR_SAME_PLUGIN_GUID} |
68 | daniel-mar | 277 | FGUIDLookup.Free; |
70 | daniel-mar | 278 | {$ENDIF} |
68 | daniel-mar | 279 | FErrors.Free; |
280 | end; |
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281 | |||
282 | constructor TUD2.Create(AIniFileName: string); |
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283 | begin |
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284 | FIniFileName := AIniFileName; |
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285 | FLoadedPlugins := TObjectList{<TUD2Plugin>}.Create(true); |
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286 | FIniFile := TMemIniFile.Create(IniFileName); |
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70 | daniel-mar | 287 | {$IFDEF CHECK_FOR_SAME_PLUGIN_GUID} |
68 | daniel-mar | 288 | FGUIDLookup := TStringList.Create; |
70 | daniel-mar | 289 | {$ENDIF} |
68 | daniel-mar | 290 | FErrors := TStringList.Create; |
291 | end; |
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292 | |||
293 | function TUD2.GetTaskName(AShortTaskName: string): string; |
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69 | daniel-mar | 294 | resourcestring |
295 | LNG_NO_DESCRIPTION = '(%s)'; |
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68 | daniel-mar | 296 | begin |
69 | daniel-mar | 297 | result := FIniFile.ReadString(AShortTaskName, 'Description', Format(LNG_NO_DESCRIPTION, [AShortTaskName])); |
68 | daniel-mar | 298 | end; |
299 | |||
300 | procedure TUD2.GetTaskListing(outSL: TStrings); |
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301 | var |
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302 | sl: TStringList; |
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303 | i: integer; |
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304 | desc: string; |
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305 | begin |
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306 | sl := TStringList.Create; |
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307 | try |
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308 | FIniFile.ReadSections(sl); |
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309 | for i := 0 to sl.Count-1 do |
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310 | begin |
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311 | desc := GetTaskName(sl.Strings[i]); |
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312 | outSL.Values[sl.Strings[i]] := desc; |
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313 | end; |
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314 | finally |
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315 | sl.Free; |
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316 | end; |
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317 | end; |
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318 | |||
319 | function TUD2.TaskExists(ShortTaskName: string): boolean; |
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320 | begin |
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321 | result := FIniFile.SectionExists(ShortTaskName); |
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322 | end; |
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323 | |||
324 | function TUD2.ReadMetatagString(ShortTaskName, MetatagName: string; |
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325 | DefaultVal: string): string; |
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326 | begin |
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327 | result := IniFile.ReadString(ShortTaskName, MetatagName, DefaultVal); |
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328 | end; |
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329 | |||
330 | function TUD2.ReadMetatagBool(ShortTaskName, MetatagName: string; |
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331 | DefaultVal: string): boolean; |
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332 | begin |
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333 | // DefaultVal is a string, because we want to allow an empty string, in case the |
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334 | // user wishes an Exception in case the string is not a valid boolean string |
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335 | result := BetterInterpreteBool(IniFile.ReadString(ShortTaskName, MetatagName, DefaultVal)); |
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336 | end; |
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337 | |||
338 | (* |
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339 | |||
340 | NAMING EXAMPLE: ComputerName:ABC&&User:John=calc.exe |
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341 | |||
342 | idTerm: ComputerName:ABC&&User:John |
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343 | idName: ComputerName:ABC |
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344 | IdMethodName: ComputerName |
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345 | IdStr ABC |
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346 | cmd: calc.exe |
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347 | |||
348 | *) |
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349 | |||
81 | daniel-mar | 350 | procedure TUD2.GetAllIdNames(outSL: TStrings); |
68 | daniel-mar | 351 | var |
352 | i, j: integer; |
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353 | pl: TUD2Plugin; |
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354 | ude: TUD2IdentificationEntry; |
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355 | begin |
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81 | daniel-mar | 356 | for i := 0 to LoadedPlugins.Count-1 do |
357 | begin |
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358 | pl := LoadedPlugins.Items[i] as TUD2Plugin; |
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359 | for j := 0 to pl.DetectedIdentifications.Count-1 do |
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360 | begin |
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361 | ude := pl.DetectedIdentifications.Items[j] as TUD2IdentificationEntry; |
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362 | ude.GetIdNames(outSL); |
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363 | end; |
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364 | end; |
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365 | end; |
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68 | daniel-mar | 366 | |
81 | daniel-mar | 367 | function TUD2.FulfilsEverySubterm(idTerm: WideString; slIdNames: TStrings=nil): boolean; |
368 | var |
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369 | x: TArrayOfString; |
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370 | i: integer; |
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371 | idName: WideString; |
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372 | cleanUpStringList: boolean; |
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373 | begin |
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374 | cleanUpStringList := slIdNames = nil; |
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68 | daniel-mar | 375 | try |
81 | daniel-mar | 376 | if cleanUpStringList then |
68 | daniel-mar | 377 | begin |
81 | daniel-mar | 378 | slIdNames := TStringList.Create; |
379 | GetAllIdNames(slIdNames); |
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380 | end; |
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381 | |||
382 | SetLength(x, 0); |
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383 | if Pos(':', idTerm) = 0 then |
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384 | begin |
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385 | result := false; |
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386 | Exit; |
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387 | end; |
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388 | x := SplitString('&&', idTerm); |
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389 | result := true; |
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390 | for i := Low(x) to High(x) do |
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391 | begin |
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392 | idName := x[i]; |
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393 | |||
394 | if slIdNames.IndexOf(idName) = -1 then |
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68 | daniel-mar | 395 | begin |
81 | daniel-mar | 396 | result := false; |
397 | break; |
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68 | daniel-mar | 398 | end; |
399 | end; |
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81 | daniel-mar | 400 | finally |
401 | if cleanUpStringList and Assigned(slIdNames) then |
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402 | slIdNames.Free; |
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403 | end; |
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404 | end; |
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68 | daniel-mar | 405 | |
81 | daniel-mar | 406 | procedure TUD2.GetCommandList(ShortTaskName: string; outSL: TStrings); |
407 | var |
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408 | i: integer; |
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409 | cmd: string; |
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410 | idTerm: WideString; |
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411 | slSV, slIdNames: TStrings; |
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412 | nameVal: TArrayOfString; |
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413 | begin |
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414 | SetLength(nameVal, 0); |
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415 | |||
416 | slIdNames := TStringList.Create; |
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417 | try |
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418 | GetAllIdNames(slIdNames); |
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419 | |||
68 | daniel-mar | 420 | slSV := TStringList.Create; |
421 | try |
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422 | FIniFile.ReadSectionValues(ShortTaskName, slSV); |
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81 | daniel-mar | 423 | for i := 0 to slSV.Count-1 do |
68 | daniel-mar | 424 | begin |
425 | // We are doing the interpretation of the line ourselves, because |
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426 | // TStringList.Values[] would not allow multiple command lines with the |
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427 | // same key (idTerm) |
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81 | daniel-mar | 428 | nameVal := SplitString('=', slSV.Strings[i]); |
68 | daniel-mar | 429 | idTerm := nameVal[0]; |
430 | cmd := nameVal[1]; |
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431 | |||
81 | daniel-mar | 432 | if FulfilsEverySubterm(idTerm, slIdNames) then outSL.Add(cmd); |
68 | daniel-mar | 433 | end; |
434 | finally |
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435 | slSV.Free; |
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436 | end; |
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437 | finally |
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438 | slIdNames.Free; |
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439 | end; |
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440 | end; |
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441 | |||
69 | daniel-mar | 442 | { TUD2PluginLoader } |
443 | |||
444 | procedure TUD2PluginLoader.Execute; |
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445 | begin |
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446 | inherited; |
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447 | |||
448 | HandleDLL; |
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449 | end; |
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450 | |||
451 | constructor TUD2PluginLoader.Create(Suspended: boolean; DLL: string; alngid: LANGID); |
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452 | begin |
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453 | inherited Create(Suspended); |
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454 | dllfile := dll; |
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455 | pl := nil; |
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456 | Errors := TStringList.Create; |
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457 | lngid := alngid; |
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458 | end; |
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459 | |||
460 | destructor TUD2PluginLoader.Destroy; |
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461 | begin |
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462 | Errors.Free; |
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463 | inherited; |
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464 | end; |
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465 | |||
70 | daniel-mar | 466 | function TUD2PluginLoader.HandleDLL: boolean; |
69 | daniel-mar | 467 | var |
468 | sIdentifier: WideString; |
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469 | sIdentifiers: TArrayOfString; |
||
470 | buf: array[0..cchBufferSize-1] of WideChar; |
||
471 | sPluginConfigFile: string; |
||
472 | iniConfig: TINIFile; |
||
473 | sOverrideGUID: string; |
||
474 | pluginIDfound: boolean; |
||
475 | pluginInterfaceID: TGUID; |
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70 | daniel-mar | 476 | dllHandle: Cardinal; |
69 | daniel-mar | 477 | fPluginInterfaceID: TFuncPluginInterfaceID; |
478 | fPluginIdentifier: TFuncPluginIdentifier; |
||
479 | fPluginNameW: TFuncPluginNameW; |
||
480 | fPluginVendorW: TFuncPluginVendorW; |
||
481 | fPluginVersionW: TFuncPluginVersionW; |
||
482 | fIdentificationMethodNameW: TFuncIdentificationMethodNameW; |
||
483 | fIdentificationStringW: TFuncIdentificationStringW; |
||
484 | fCheckLicense: TFuncCheckLicense; |
||
70 | daniel-mar | 485 | fDescribeOwnStatusCodeW: TFuncDescribeOwnStatusCodeW; |
69 | daniel-mar | 486 | statusCode: UD2_STATUS; |
487 | i: integer; |
||
488 | starttime, endtime, time: cardinal; |
||
70 | daniel-mar | 489 | |
490 | function _ErrorLookup(statusCode: UD2_STATUS): WideString; |
||
491 | var |
||
492 | ret: BOOL; |
||
493 | begin |
||
494 | ret := fDescribeOwnStatusCodeW(@buf, cchBufferSize, statusCode, lngID); |
||
495 | if ret then |
||
496 | begin |
||
497 | result := PWideChar(@buf); |
||
498 | Exit; |
||
499 | end; |
||
500 | result := TUD2.GenericErrorLookup(statusCode); |
||
501 | end; |
||
502 | |||
69 | daniel-mar | 503 | resourcestring |
504 | LNG_DLL_NOT_LOADED = 'Plugin DLL "%s" could not be loaded.'; |
||
505 | LNG_METHOD_NOT_FOUND = 'Method "%s" not found in plugin "%s". The DLL is probably not a valid plugin DLL.'; |
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80 | daniel-mar | 506 | LNG_INVALID_PLUGIN = 'The plugin "%s" is not a valid plugin for this application.'; |
69 | daniel-mar | 507 | LNG_METHOD_FAILURE = 'Error "%s" at method "%s" of plugin "%s".'; |
508 | begin |
||
70 | daniel-mar | 509 | result := false; |
69 | daniel-mar | 510 | startTime := GetTickCount; |
511 | |||
512 | dllHandle := LoadLibrary(PChar(dllFile)); |
||
513 | if dllHandle = 0 then |
||
514 | begin |
||
515 | Errors.Add(Format(LNG_DLL_NOT_LOADED, [dllFile])); |
||
516 | end; |
||
517 | try |
||
518 | @fPluginInterfaceID := GetProcAddress(dllHandle, mnPluginInterfaceID); |
||
519 | if not Assigned(fPluginInterfaceID) then |
||
520 | begin |
||
521 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnPluginInterfaceID, dllFile])); |
||
522 | Exit; |
||
523 | end; |
||
524 | pluginInterfaceID := fPluginInterfaceID(); |
||
525 | if not IsEqualGUID(pluginInterfaceID, GUID_USERDETECT2_IDPLUGIN_V1) then |
||
526 | begin |
||
527 | Errors.Add(Format(LNG_INVALID_PLUGIN, [dllFile])); |
||
528 | Exit; |
||
529 | end; |
||
530 | |||
531 | @fIdentificationStringW := GetProcAddress(dllHandle, mnIdentificationStringW); |
||
532 | if not Assigned(fIdentificationStringW) then |
||
533 | begin |
||
534 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnIdentificationStringW, dllFile])); |
||
535 | Exit; |
||
536 | end; |
||
537 | |||
538 | @fPluginNameW := GetProcAddress(dllHandle, mnPluginNameW); |
||
539 | if not Assigned(fPluginNameW) then |
||
540 | begin |
||
541 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnPluginNameW, dllFile])); |
||
542 | Exit; |
||
543 | end; |
||
544 | |||
545 | @fPluginVendorW := GetProcAddress(dllHandle, mnPluginVendorW); |
||
546 | if not Assigned(fPluginVendorW) then |
||
547 | begin |
||
548 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnPluginVendorW, dllFile])); |
||
549 | Exit; |
||
550 | end; |
||
551 | |||
552 | @fPluginVersionW := GetProcAddress(dllHandle, mnPluginVersionW); |
||
553 | if not Assigned(fPluginVersionW) then |
||
554 | begin |
||
555 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnPluginVersionW, dllFile])); |
||
556 | Exit; |
||
557 | end; |
||
558 | |||
559 | @fCheckLicense := GetProcAddress(dllHandle, mnCheckLicense); |
||
560 | if not Assigned(fCheckLicense) then |
||
561 | begin |
||
562 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnCheckLicense, dllFile])); |
||
563 | Exit; |
||
564 | end; |
||
565 | |||
566 | @fIdentificationMethodNameW := GetProcAddress(dllHandle, mnIdentificationMethodNameW); |
||
567 | if not Assigned(fIdentificationMethodNameW) then |
||
568 | begin |
||
569 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnIdentificationMethodNameW, dllFile])); |
||
570 | Exit; |
||
571 | end; |
||
572 | |||
70 | daniel-mar | 573 | @fDescribeOwnStatusCodeW := GetProcAddress(dllHandle, mnDescribeOwnStatusCodeW); |
574 | if not Assigned(fDescribeOwnStatusCodeW) then |
||
575 | begin |
||
576 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnDescribeOwnStatusCodeW, dllFile])); |
||
577 | Exit; |
||
578 | end; |
||
579 | |||
69 | daniel-mar | 580 | pl := TUD2Plugin.Create; |
581 | pl.PluginDLL := dllFile; |
||
582 | |||
583 | pluginIDfound := false; |
||
584 | sPluginConfigFile := ChangeFileExt(dllFile, '.ini'); |
||
585 | if FileExists(sPluginConfigFile) then |
||
586 | begin |
||
587 | iniConfig := TIniFile.Create(sPluginConfigFile); |
||
588 | try |
||
589 | sOverrideGUID := iniConfig.ReadString('Compatibility', 'OverrideGUID', ''); |
||
590 | if sOverrideGUID <> '' then |
||
591 | begin |
||
592 | pl.PluginGUID := StringToGUID(sOverrideGUID); |
||
593 | pluginIDfound := true; |
||
594 | end; |
||
595 | finally |
||
596 | iniConfig.Free; |
||
597 | end; |
||
598 | end; |
||
599 | |||
600 | if not pluginIDfound then |
||
601 | begin |
||
602 | @fPluginIdentifier := GetProcAddress(dllHandle, mnPluginIdentifier); |
||
603 | if not Assigned(fPluginIdentifier) then |
||
604 | begin |
||
605 | Errors.Add(Format(LNG_METHOD_NOT_FOUND, [mnPluginIdentifier, dllFile])); |
||
606 | Exit; |
||
607 | end; |
||
608 | pl.PluginGUID := fPluginIdentifier(); |
||
609 | end; |
||
610 | |||
611 | statusCode := fCheckLicense(nil); |
||
71 | daniel-mar | 612 | if statusCode.wCategory = UD2_STATUSCAT_FAILED then |
69 | daniel-mar | 613 | begin |
70 | daniel-mar | 614 | Errors.Add(Format(LNG_METHOD_FAILURE, [_ErrorLookup(statusCode), mnCheckLicense, dllFile])); |
69 | daniel-mar | 615 | Exit; |
616 | end; |
||
617 | |||
618 | statusCode := fPluginNameW(@buf, cchBufferSize, lngID); |
||
71 | daniel-mar | 619 | if statusCode.wCategory = UD2_STATUSCAT_SUCCESS then pl.PluginName := PWideChar(@buf) |
620 | else if statusCode.wCategory = UD2_STATUSCAT_NOT_AVAIL then pl.PluginName := '' |
||
69 | daniel-mar | 621 | else |
622 | begin |
||
70 | daniel-mar | 623 | Errors.Add(Format(LNG_METHOD_FAILURE, [_ErrorLookup(statusCode), mnPluginNameW, dllFile])); |
69 | daniel-mar | 624 | Exit; |
625 | end; |
||
626 | |||
627 | statusCode := fPluginVendorW(@buf, cchBufferSize, lngID); |
||
71 | daniel-mar | 628 | if statusCode.wCategory = UD2_STATUSCAT_SUCCESS then pl.PluginVendor := PWideChar(@buf) |
629 | else if statusCode.wCategory = UD2_STATUSCAT_NOT_AVAIL then pl.PluginVendor := '' |
||
69 | daniel-mar | 630 | else |
631 | begin |
||
70 | daniel-mar | 632 | Errors.Add(Format(LNG_METHOD_FAILURE, [_ErrorLookup(statusCode), mnPluginVendorW, dllFile])); |
69 | daniel-mar | 633 | Exit; |
634 | end; |
||
635 | |||
636 | statusCode := fPluginVersionW(@buf, cchBufferSize, lngID); |
||
71 | daniel-mar | 637 | if statusCode.wCategory = UD2_STATUSCAT_SUCCESS then pl.PluginVersion := PWideChar(@buf) |
638 | else if statusCode.wCategory = UD2_STATUSCAT_NOT_AVAIL then pl.PluginVersion := '' |
||
69 | daniel-mar | 639 | else |
640 | begin |
||
70 | daniel-mar | 641 | Errors.Add(Format(LNG_METHOD_FAILURE, [_ErrorLookup(statusCode), mnPluginVersionW, dllFile])); |
69 | daniel-mar | 642 | Exit; |
643 | end; |
||
644 | |||
645 | statusCode := fIdentificationMethodNameW(@buf, cchBufferSize); |
||
71 | daniel-mar | 646 | if statusCode.wCategory = UD2_STATUSCAT_SUCCESS then pl.IdentificationMethodName := PWideChar(@buf) |
647 | else if statusCode.wCategory = UD2_STATUSCAT_NOT_AVAIL then pl.IdentificationMethodName := '' |
||
69 | daniel-mar | 648 | else |
649 | begin |
||
70 | daniel-mar | 650 | Errors.Add(Format(LNG_METHOD_FAILURE, [_ErrorLookup(statusCode), mnIdentificationMethodNameW, dllFile])); |
69 | daniel-mar | 651 | Exit; |
652 | end; |
||
653 | |||
654 | statusCode := fIdentificationStringW(@buf, cchBufferSize); |
||
70 | daniel-mar | 655 | pl.IdentificationProcedureStatusCode := statusCode; |
656 | pl.IdentificationProcedureStatusCodeDescribed := _ErrorLookup(statusCode); |
||
71 | daniel-mar | 657 | if statusCode.wCategory = UD2_STATUSCAT_SUCCESS then |
69 | daniel-mar | 658 | begin |
659 | sIdentifier := PWideChar(@buf); |
||
71 | daniel-mar | 660 | if UD2_STATUS_Equal(statusCode, UD2_STATUS_OK_MULTILINE, false) then |
69 | daniel-mar | 661 | begin |
70 | daniel-mar | 662 | // Multiple identifiers (e.g. multiple MAC addresses are delimited via UD2_MULTIPLE_ITEMS_DELIMITER) |
69 | daniel-mar | 663 | SetLength(sIdentifiers, 0); |
664 | sIdentifiers := SplitString(UD2_MULTIPLE_ITEMS_DELIMITER, sIdentifier); |
||
665 | for i := Low(sIdentifiers) to High(sIdentifiers) do |
||
666 | begin |
||
667 | pl.AddIdentification(sIdentifiers[i]); |
||
668 | end; |
||
669 | end |
||
670 | else |
||
671 | begin |
||
672 | pl.AddIdentification(sIdentifier); |
||
673 | end; |
||
674 | end |
||
71 | daniel-mar | 675 | else if statusCode.wCategory <> UD2_STATUSCAT_NOT_AVAIL then |
69 | daniel-mar | 676 | begin |
70 | daniel-mar | 677 | // Errors.Add(Format(LNG_METHOD_FAILURE, [_ErrorLookup(statusCode), mnIdentificationStringW, dllFile])); |
678 | Errors.Add(Format(LNG_METHOD_FAILURE, [pl.IdentificationProcedureStatusCodeDescribed, mnIdentificationStringW, dllFile])); |
||
69 | daniel-mar | 679 | Exit; |
680 | end; |
||
681 | |||
682 | endtime := GetTickCount; |
||
683 | time := endtime - starttime; |
||
684 | if endtime < starttime then time := High(Cardinal) - time; |
||
685 | pl.time := time; |
||
686 | |||
70 | daniel-mar | 687 | result := true; |
69 | daniel-mar | 688 | finally |
70 | daniel-mar | 689 | if not result and Assigned(pl) then FreeAndNil(pl); |
69 | daniel-mar | 690 | FreeLibrary(dllHandle); |
691 | end; |
||
692 | end; |
||
693 | |||
68 | daniel-mar | 694 | end. |