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56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
//+build windows
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package acl
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import (
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"github.com/hectane/go-acl/api"
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"golang.org/x/sys/windows"
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"unsafe"
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)
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// Apply the provided access control entries to a file. If the replace
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// parameter is true, existing entries will be overwritten. If the inherit
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// parameter is true, the file will inherit ACEs from its parent.
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func Apply(name string, replace, inherit bool, entries ...api.ExplicitAccess) error {
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var oldAcl windows.Handle
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if !replace {
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var secDesc windows.Handle
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api.GetNamedSecurityInfo(
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name,
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api.SE_FILE_OBJECT,
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api.DACL_SECURITY_INFORMATION,
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nil,
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nil,
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&oldAcl,
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nil,
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&secDesc,
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)
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defer windows.LocalFree(secDesc)
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}
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var acl windows.Handle
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if err := api.SetEntriesInAcl(
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entries,
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oldAcl,
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&acl,
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); err != nil {
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return err
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}
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defer windows.LocalFree((windows.Handle)(unsafe.Pointer(acl)))
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var secInfo uint32
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if !inherit {
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secInfo = api.PROTECTED_DACL_SECURITY_INFORMATION
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} else {
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secInfo = api.UNPROTECTED_DACL_SECURITY_INFORMATION
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}
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return api.SetNamedSecurityInfo(
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name,
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api.SE_FILE_OBJECT,
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api.DACL_SECURITY_INFORMATION|secInfo,
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nil,
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nil,
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acl,
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0,
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)
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}
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