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lib/file: check if path has nounc while checking max path for windows

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This commit is contained in:
Herlon Aguiar 2021-12-08 21:26:55 +01:00
parent 3b697538f5
commit 1dc85e5fca
2 changed files with 6 additions and 4 deletions
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5
lib/file/file_windows.go
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@ -8,6 +8,7 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"regexp" "regexp"
"strings"
"syscall" "syscall"
"golang.org/x/sys/windows/registry" "golang.org/x/sys/windows/registry"
@ -34,8 +35,8 @@ func OpenFile(path string, mode int, perm os.FileMode) (*os.File, error) {
// For windows the max path length is 260 characters // For windows the max path length is 260 characters
// if the LongPathsEnabled is not set // if the LongPathsEnabled is not set
// https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation // https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation
if !IsLongPathsEnabled() && len(path) >= 260 { if !strings.HasPrefix(path, `\\?\`) && !IsLongPathsEnabled() && len(path) >= 260 {
return nil, &os.PathError{Path: path, Op: "open", Err: errors.New("path length higher than 260")} return nil, &os.PathError{Path: path, Op: "open", Err: errors.New("path length 260 or higher")}
} }
pathp, err := syscall.UTF16PtrFromString(path) pathp, err := syscall.UTF16PtrFromString(path)

5
lib/file/mkdir_windows.go
View File

@ -7,6 +7,7 @@ import (
"errors" "errors"
"os" "os"
"path/filepath" "path/filepath"
"strings"
"syscall" "syscall"
) )
@ -21,8 +22,8 @@ func MkdirAll(path string, perm os.FileMode) error {
// For windows the max path length is 260 characters // For windows the max path length is 260 characters
// if the LongPathsEnabled is not set // if the LongPathsEnabled is not set
// https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation // https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation
if !IsLongPathsEnabled() && len(path) >= 260 { if !strings.HasPrefix(path, `\\?\`) && !IsLongPathsEnabled() && len(path) >= 260 {
return &os.PathError{Path: path, Op: "open", Err: errors.New("path length higher than 260")} return &os.PathError{Path: path, Op: "open", Err: errors.New("path length 260 or higher")}
} }
// Fast path: if we can tell whether path is a directory or file, stop with success or error. // Fast path: if we can tell whether path is a directory or file, stop with success or error.