| 1 | !ifndef _WriteEnvStr_nsh
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| 2 | !define _WriteEnvStr_nsh
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| 3 |
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| 4 | !include WinMessages.nsh
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| 5 |
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| 6 | !ifndef WriteEnvStr_RegKey
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| 7 | !ifdef ALL_USERS
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| 8 | !define WriteEnvStr_RegKey \
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| 9 | 'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'
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| 10 | !else
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| 11 | !define WriteEnvStr_RegKey 'HKCU "Environment"'
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| 12 | !endif
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| 13 | !endif
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| 14 |
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| 15 | #
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| 16 | # WriteEnvStr - Writes an environment variable
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| 17 | # Note: Win9x systems requires reboot
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| 18 | #
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| 19 | # Example:
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| 20 | # Push "HOMEDIR" # name
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| 21 | # Push "C:\New Home Dir\" # value
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| 22 | # Call WriteEnvStr
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| 23 | #
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| 24 | Function WriteEnvStr
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| 25 | Exch $1 ; $1 has environment variable value
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| 26 | Exch
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| 27 | Exch $0 ; $0 has environment variable name
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| 28 | Push $2
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| 29 |
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| 30 | Call IsNT
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| 31 | Pop $2
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| 32 | StrCmp $2 1 WriteEnvStr_NT
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| 33 | ; Not on NT
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| 34 | StrCpy $2 $WINDIR 2 ; Copy drive of windows (c:)
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| 35 | FileOpen $2 "$2\autoexec.bat" a
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| 36 | FileSeek $2 0 END
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| 37 | FileWrite $2 "$\r$\nSET $0=$1$\r$\n"
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| 38 | FileClose $2
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| 39 | SetRebootFlag true
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| 40 | Goto WriteEnvStr_done
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| 41 |
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| 42 | WriteEnvStr_NT:
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| 43 | WriteRegExpandStr ${WriteEnvStr_RegKey} $0 $1
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| 44 | SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} \
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| 45 | 0 "STR:Environment" /TIMEOUT=5000
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| 46 |
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| 47 | WriteEnvStr_done:
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| 48 | Pop $2
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| 49 | Pop $0
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| 50 | Pop $1
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| 51 | FunctionEnd
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| 52 |
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| 53 | #
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| 54 | # un.DeleteEnvStr - Removes an environment variable
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| 55 | # Note: Win9x systems requires reboot
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| 56 | #
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| 57 | # Example:
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| 58 | # Push "HOMEDIR" # name
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| 59 | # Call un.DeleteEnvStr
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| 60 | #
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| 61 | Function un.DeleteEnvStr
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| 62 | Exch $0 ; $0 now has the name of the variable
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| 63 | Push $1
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| 64 | Push $2
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| 65 | Push $3
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| 66 | Push $4
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| 67 | Push $5
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| 68 |
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| 69 | Call un.IsNT
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| 70 | Pop $1
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| 71 | StrCmp $1 1 DeleteEnvStr_NT
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| 72 | ; Not on NT
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| 73 | StrCpy $1 $WINDIR 2
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| 74 | FileOpen $1 "$1\autoexec.bat" r
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| 75 | GetTempFileName $4
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| 76 | FileOpen $2 $4 w
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| 77 | StrCpy $0 "SET $0="
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| 78 | SetRebootFlag true
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| 79 |
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| 80 | DeleteEnvStr_dosLoop:
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| 81 | FileRead $1 $3
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| 82 | StrLen $5 $0
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| 83 | StrCpy $5 $3 $5
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| 84 | StrCmp $5 $0 DeleteEnvStr_dosLoop
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| 85 | StrCmp $5 "" DeleteEnvStr_dosLoopEnd
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| 86 | FileWrite $2 $3
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| 87 | Goto DeleteEnvStr_dosLoop
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| 88 |
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| 89 | DeleteEnvStr_dosLoopEnd:
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| 90 | FileClose $2
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| 91 | FileClose $1
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| 92 | StrCpy $1 $WINDIR 2
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| 93 | Delete "$1\autoexec.bat"
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| 94 | CopyFiles /SILENT $4 "$1\autoexec.bat"
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| 95 | Delete $4
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| 96 | Goto DeleteEnvStr_done
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| 97 |
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| 98 | DeleteEnvStr_NT:
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| 99 | DeleteRegValue ${WriteEnvStr_RegKey} $0
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| 100 | SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} \
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| 101 | 0 "STR:Environment" /TIMEOUT=5000
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| 102 |
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| 103 | DeleteEnvStr_done:
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| 104 | Pop $5
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| 105 | Pop $4
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| 106 | Pop $3
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| 107 | Pop $2
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| 108 | Pop $1
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| 109 | Pop $0
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| 110 | FunctionEnd
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| 111 |
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| 112 | !ifndef IsNT_KiCHiK
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| 113 | !define IsNT_KiCHiK
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| 114 |
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| 115 | #
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| 116 | # [un.]IsNT - Pushes 1 if running on NT, 0 if not
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| 117 | #
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| 118 | # Example:
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| 119 | # Call IsNT
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| 120 | # Pop $0
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| 121 | # StrCmp $0 1 +3
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| 122 | # MessageBox MB_OK "Not running on NT!"
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| 123 | # Goto +2
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| 124 | # MessageBox MB_OK "Running on NT!"
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| 125 | #
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| 126 | !macro IsNT UN
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| 127 | Function ${UN}IsNT
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| 128 | Push $0
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| 129 | ReadRegStr $0 HKLM \
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| 130 | "SOFTWARE\Microsoft\Windows NT\CurrentVersion" CurrentVersion
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| 131 | StrCmp $0 "" 0 IsNT_yes
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| 132 | ; we are not NT.
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| 133 | Pop $0
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| 134 | Push 0
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| 135 | Return
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| 136 |
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| 137 | IsNT_yes:
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| 138 | ; NT!!!
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| 139 | Pop $0
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| 140 | Push 1
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| 141 | FunctionEnd
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| 142 | !macroend
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| 143 | !insertmacro IsNT ""
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| 144 | !insertmacro IsNT "un."
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| 145 |
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| 146 | !endif ; IsNT_KiCHiK
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| 147 |
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| 148 | !endif ; _WriteEnvStr_nsh |
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