build(deps): bump github.com/Microsoft/hcsshim from 0.9.9 to 0.11.1
Bumps [github.com/Microsoft/hcsshim](https://github.com/Microsoft/hcsshim) from 0.9.9 to 0.11.1. - [Release notes](https://github.com/Microsoft/hcsshim/releases) - [Commits](https://github.com/Microsoft/hcsshim/compare/v0.9.9...v0.11.1) --- updated-dependencies: - dependency-name: github.com/Microsoft/hcsshim dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>
This commit is contained in:
186
vendor/github.com/Microsoft/hcsshim/internal/security/grantvmgroupaccess.go
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186
vendor/github.com/Microsoft/hcsshim/internal/security/grantvmgroupaccess.go
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//go:build windows
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// +build windows
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package security
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import (
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"fmt"
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"os"
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"syscall"
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"unsafe"
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)
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type (
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accessMask uint32
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accessMode uint32
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desiredAccess uint32
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inheritMode uint32
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objectType uint32
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shareMode uint32
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securityInformation uint32
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trusteeForm uint32
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trusteeType uint32
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)
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type explicitAccess struct {
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accessPermissions accessMask
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accessMode accessMode
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inheritance inheritMode
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trustee trustee
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}
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type trustee struct {
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multipleTrustee *trustee
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multipleTrusteeOperation int32
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trusteeForm trusteeForm
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trusteeType trusteeType
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name uintptr
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}
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const (
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AccessMaskNone accessMask = 0
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AccessMaskRead accessMask = 1 << 31 // GENERIC_READ
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AccessMaskWrite accessMask = 1 << 30 // GENERIC_WRITE
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AccessMaskExecute accessMask = 1 << 29 // GENERIC_EXECUTE
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AccessMaskAll accessMask = 1 << 28 // GENERIC_ALL
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accessMaskDesiredPermission = AccessMaskRead
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accessModeGrant accessMode = 1
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desiredAccessReadControl desiredAccess = 0x20000
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desiredAccessWriteDac desiredAccess = 0x40000
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gvmga = "GrantVmGroupAccess:"
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inheritModeNoInheritance inheritMode = 0x0
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inheritModeSubContainersAndObjectsInherit inheritMode = 0x3
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objectTypeFileObject objectType = 0x1
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securityInformationDACL securityInformation = 0x4
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shareModeRead shareMode = 0x1
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shareModeWrite shareMode = 0x2
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//nolint:stylecheck // ST1003
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sidVmGroup = "S-1-5-83-0"
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trusteeFormIsSid trusteeForm = 0
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trusteeTypeWellKnownGroup trusteeType = 5
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)
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// GrantVmGroupAccess sets the DACL for a specified file or directory to
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// include Grant ACE entries for the VM Group SID. This is a golang re-
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// implementation of the same function in vmcompute, just not exported in
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// RS5. Which kind of sucks. Sucks a lot :/
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func GrantVmGroupAccess(name string) error { //nolint:stylecheck // ST1003
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return GrantVmGroupAccessWithMask(name, accessMaskDesiredPermission)
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}
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// GrantVmGroupAccessWithMask sets the desired DACL for a specified file or
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// directory.
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func GrantVmGroupAccessWithMask(name string, access accessMask) error { //nolint:stylecheck // ST1003
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if access == 0 || access<<4 != 0 {
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return fmt.Errorf("invalid access mask: 0x%08x", access)
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}
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// Stat (to determine if `name` is a directory).
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s, err := os.Stat(name)
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if err != nil {
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return fmt.Errorf("%s os.Stat %s: %w", gvmga, name, err)
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}
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// Get a handle to the file/directory. Must defer Close on success.
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fd, err := createFile(name, s.IsDir())
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if err != nil {
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return err // Already wrapped
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}
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defer func() {
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_ = syscall.CloseHandle(fd)
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}()
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// Get the current DACL and Security Descriptor. Must defer LocalFree on success.
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ot := objectTypeFileObject
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si := securityInformationDACL
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sd := uintptr(0)
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origDACL := uintptr(0)
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if err := getSecurityInfo(fd, uint32(ot), uint32(si), nil, nil, &origDACL, nil, &sd); err != nil {
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return fmt.Errorf("%s GetSecurityInfo %s: %w", gvmga, name, err)
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}
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defer func() {
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_, _ = syscall.LocalFree((syscall.Handle)(unsafe.Pointer(sd)))
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}()
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// Generate a new DACL which is the current DACL with the required ACEs added.
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// Must defer LocalFree on success.
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newDACL, err := generateDACLWithAcesAdded(name, s.IsDir(), access, origDACL)
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if err != nil {
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return err // Already wrapped
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}
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defer func() {
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_, _ = syscall.LocalFree((syscall.Handle)(unsafe.Pointer(newDACL)))
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}()
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// And finally use SetSecurityInfo to apply the updated DACL.
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if err := setSecurityInfo(fd, uint32(ot), uint32(si), uintptr(0), uintptr(0), newDACL, uintptr(0)); err != nil {
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return fmt.Errorf("%s SetSecurityInfo %s: %w", gvmga, name, err)
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}
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return nil
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}
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// createFile is a helper function to call [Nt]CreateFile to get a handle to
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// the file or directory.
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func createFile(name string, isDir bool) (syscall.Handle, error) {
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namep, err := syscall.UTF16FromString(name)
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if err != nil {
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return 0, fmt.Errorf("syscall.UTF16FromString %s: %w", name, err)
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}
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da := uint32(desiredAccessReadControl | desiredAccessWriteDac)
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sm := uint32(shareModeRead | shareModeWrite)
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fa := uint32(syscall.FILE_ATTRIBUTE_NORMAL)
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if isDir {
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fa = uint32(fa | syscall.FILE_FLAG_BACKUP_SEMANTICS)
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}
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fd, err := syscall.CreateFile(&namep[0], da, sm, nil, syscall.OPEN_EXISTING, fa, 0)
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if err != nil {
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return 0, fmt.Errorf("%s syscall.CreateFile %s: %w", gvmga, name, err)
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}
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return fd, nil
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}
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// generateDACLWithAcesAdded generates a new DACL with the two needed ACEs added.
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// The caller is responsible for LocalFree of the returned DACL on success.
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func generateDACLWithAcesAdded(name string, isDir bool, desiredAccess accessMask, origDACL uintptr) (uintptr, error) {
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// Generate pointers to the SIDs based on the string SIDs
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sid, err := syscall.StringToSid(sidVmGroup)
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if err != nil {
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return 0, fmt.Errorf("%s syscall.StringToSid %s %s: %w", gvmga, name, sidVmGroup, err)
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}
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inheritance := inheritModeNoInheritance
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if isDir {
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inheritance = inheritModeSubContainersAndObjectsInherit
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}
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eaArray := []explicitAccess{
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{
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accessPermissions: desiredAccess,
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accessMode: accessModeGrant,
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inheritance: inheritance,
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trustee: trustee{
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trusteeForm: trusteeFormIsSid,
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trusteeType: trusteeTypeWellKnownGroup,
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name: uintptr(unsafe.Pointer(sid)),
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},
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},
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}
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modifiedDACL := uintptr(0)
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if err := setEntriesInAcl(uintptr(uint32(1)), uintptr(unsafe.Pointer(&eaArray[0])), origDACL, &modifiedDACL); err != nil {
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return 0, fmt.Errorf("%s SetEntriesInAcl %s: %w", gvmga, name, err)
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}
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return modifiedDACL, nil
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}
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7
vendor/github.com/Microsoft/hcsshim/internal/security/syscall_windows.go
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7
vendor/github.com/Microsoft/hcsshim/internal/security/syscall_windows.go
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@ -0,0 +1,7 @@
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package security
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//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go syscall_windows.go
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//sys getSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, ppsidOwner **uintptr, ppsidGroup **uintptr, ppDacl *uintptr, ppSacl *uintptr, ppSecurityDescriptor *uintptr) (win32err error) = advapi32.GetSecurityInfo
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//sys setSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, psidOwner uintptr, psidGroup uintptr, pDacl uintptr, pSacl uintptr) (win32err error) = advapi32.SetSecurityInfo
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//sys setEntriesInAcl(count uintptr, pListOfEEs uintptr, oldAcl uintptr, newAcl *uintptr) (win32err error) = advapi32.SetEntriesInAclW
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vendor/github.com/Microsoft/hcsshim/internal/security/zsyscall_windows.go
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72
vendor/github.com/Microsoft/hcsshim/internal/security/zsyscall_windows.go
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@ -0,0 +1,72 @@
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//go:build windows
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// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT.
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package security
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import (
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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var _ unsafe.Pointer
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// Do the interface allocations only once for common
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// Errno values.
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const (
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errnoERROR_IO_PENDING = 997
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)
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var (
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errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
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errERROR_EINVAL error = syscall.EINVAL
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)
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// errnoErr returns common boxed Errno values, to prevent
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// allocations at runtime.
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func errnoErr(e syscall.Errno) error {
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switch e {
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case 0:
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return errERROR_EINVAL
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case errnoERROR_IO_PENDING:
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return errERROR_IO_PENDING
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}
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// TODO: add more here, after collecting data on the common
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// error values see on Windows. (perhaps when running
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// all.bat?)
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return e
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}
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var (
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modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
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procGetSecurityInfo = modadvapi32.NewProc("GetSecurityInfo")
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procSetEntriesInAclW = modadvapi32.NewProc("SetEntriesInAclW")
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procSetSecurityInfo = modadvapi32.NewProc("SetSecurityInfo")
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)
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func getSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, ppsidOwner **uintptr, ppsidGroup **uintptr, ppDacl *uintptr, ppSacl *uintptr, ppSecurityDescriptor *uintptr) (win32err error) {
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r0, _, _ := syscall.Syscall9(procGetSecurityInfo.Addr(), 8, uintptr(handle), uintptr(objectType), uintptr(si), uintptr(unsafe.Pointer(ppsidOwner)), uintptr(unsafe.Pointer(ppsidGroup)), uintptr(unsafe.Pointer(ppDacl)), uintptr(unsafe.Pointer(ppSacl)), uintptr(unsafe.Pointer(ppSecurityDescriptor)), 0)
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if r0 != 0 {
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win32err = syscall.Errno(r0)
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}
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return
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}
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func setEntriesInAcl(count uintptr, pListOfEEs uintptr, oldAcl uintptr, newAcl *uintptr) (win32err error) {
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r0, _, _ := syscall.Syscall6(procSetEntriesInAclW.Addr(), 4, uintptr(count), uintptr(pListOfEEs), uintptr(oldAcl), uintptr(unsafe.Pointer(newAcl)), 0, 0)
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if r0 != 0 {
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win32err = syscall.Errno(r0)
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}
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return
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}
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func setSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, psidOwner uintptr, psidGroup uintptr, pDacl uintptr, pSacl uintptr) (win32err error) {
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r0, _, _ := syscall.Syscall9(procSetSecurityInfo.Addr(), 7, uintptr(handle), uintptr(objectType), uintptr(si), uintptr(psidOwner), uintptr(psidGroup), uintptr(pDacl), uintptr(pSacl), 0, 0)
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if r0 != 0 {
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win32err = syscall.Errno(r0)
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}
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return
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}
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Block a user