79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
package database
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import (
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"fmt"
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"io/fs"
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log "github.com/sirupsen/logrus"
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"golang.org/x/sys/windows"
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)
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func setFilePerm(path string, mode fs.FileMode) error {
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//On windows, we don't care about the mode, just make sure the file is only readable/writable by the owner and group
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sd, err := windows.GetNamedSecurityInfo(path, windows.SE_FILE_OBJECT, windows.OWNER_SECURITY_INFORMATION)
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if err != nil {
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return fmt.Errorf("while getting security info: %w", err)
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}
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currentOwner, defaulted, err := sd.Owner()
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if err != nil {
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return fmt.Errorf("while getting owner: %w", err)
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}
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log.Debugf("current owner is %s (%v) (defaulted: %v)", currentOwner.String(), currentOwner, defaulted)
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currentGroup, defaulted, err := sd.Group()
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if err != nil {
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return fmt.Errorf("while getting group: %w", err)
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}
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if currentGroup == nil {
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log.Debugf("current group is nil (defaulted: %v), using builtin admin instead", defaulted)
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currentGroup, err = windows.CreateWellKnownSid(windows.WinBuiltinAdministratorsSid)
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if err != nil {
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return fmt.Errorf("while creating admin SID: %w", err)
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}
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}
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log.Debugf("current group is %s (%v) (defaulted: %v)", currentGroup.String(), currentGroup, defaulted)
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dacl, err := windows.ACLFromEntries(
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[]windows.EXPLICIT_ACCESS{
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{
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AccessPermissions: windows.GENERIC_ALL,
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AccessMode: windows.GRANT_ACCESS,
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Inheritance: windows.NO_INHERITANCE,
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Trustee: windows.TRUSTEE{
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MultipleTrusteeOperation: windows.NO_MULTIPLE_TRUSTEE,
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TrusteeForm: windows.TRUSTEE_IS_SID,
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TrusteeType: windows.TRUSTEE_IS_USER,
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TrusteeValue: windows.TrusteeValueFromSID(currentOwner),
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},
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},
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{
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AccessPermissions: windows.GENERIC_ALL,
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AccessMode: windows.GRANT_ACCESS,
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Inheritance: windows.NO_INHERITANCE,
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Trustee: windows.TRUSTEE{
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MultipleTrusteeOperation: windows.NO_MULTIPLE_TRUSTEE,
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TrusteeForm: windows.TRUSTEE_IS_SID,
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TrusteeType: windows.TRUSTEE_IS_GROUP,
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TrusteeValue: windows.TrusteeValueFromSID(currentGroup),
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},
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},
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}, nil)
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if err != nil {
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return fmt.Errorf("while creating ACL: %w", err)
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}
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err = windows.SetNamedSecurityInfo(path, windows.SE_FILE_OBJECT, windows.DACL_SECURITY_INFORMATION|windows.PROTECTED_DACL_SECURITY_INFORMATION, nil, nil, dacl, nil)
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if err != nil {
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return fmt.Errorf("while setting security info: %w", err)
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}
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return nil
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}
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