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lib/model: Disallow reserved names, and names ending with period on Windows (fixes #7008) (#7010)

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Like we already do with names ending in space or containing invalid
characters.
This commit is contained in:
Jakob Borg 2020-09-28 09:25:43 +02:00 committed by GitHub
parent 8452fd2ab4
commit df99237a7f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 3 deletions
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16
lib/fs/util.go
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@ -56,13 +56,23 @@ var windowsDisallowedCharacters = string([]rune{
})
func WindowsInvalidFilename(name string) bool {
// None of the path components should end in space
// None of the path components should end in space or period, or be a
// reserved name.
// (https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file)
for _, part := range strings.Split(name, `\`) {
if len(part) == 0 {
continue
}
if part[len(part)-1] == ' ' {
// Names ending in space are not valid.
switch part[len(part)-1] {
case ' ', '.':
// Names ending in space or period are not valid.
return true
}
switch part {
case "CON", "PRN", "AUX", "NUL",
"COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
"LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9":
// These reserved names are not valid.
return true
}
}