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fix handling of +k with an empty key parameter

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This should be disallowed; `MODE #keytest +k :` should just be an error.
This commit is contained in:
Shivaram Lingamneni 2021-08-10 15:11:11 -04:00
parent 133f2224a7
commit 37fbf4c4dd
1 changed files with 1 additions and 5 deletions
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6
irc/modes.go
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@ -148,11 +148,7 @@ func ParseDefaultUserModes(rawModes *string) modes.Modes {
// #1021: channel key must be valid as a non-final parameter
func validateChannelKey(key string) bool {
// empty string is valid in this context because it unsets the mode
if len(key) == 0 {
return true
}
return key[0] != ':' && strings.IndexByte(key, ' ') == -1
return key != "" && key[0] != ':' && strings.IndexByte(key, ' ') == -1
}
// ApplyChannelModeChanges applies a given set of mode changes.