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Restrict ident length similar to other servers

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This commit is contained in:
Daniel Oaks 2019-02-03 19:24:59 +10:00
parent 8cd5db1194
commit cfbb4361dc
4 changed files with 17 additions and 7 deletions
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10
irc/client.go
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@ -176,12 +176,12 @@ func NewClient(server *Server, conn net.Conn, isTLS bool) {
client.Notice(client.t("*** Looking up your username"))
resp, err := ident.Query(clientHost, serverPort, clientPort, IdentTimeoutSeconds)
if err == nil {
username := resp.Identifier
cfusername, err := CasefoldName(username)
if err == nil {
ident := resp.Identifier[:config.Limits.IdentLen-1]
if isIdent(ident) {
identLower := strings.ToLower(ident) // idents can only be ASCII chars only
client.Notice(client.t("*** Found your username"))
client.username = username
client.usernameCasefolded = cfusername
client.username = ident
client.usernameCasefolded = identLower
// we don't need to updateNickMask here since nickMask is not used for anything yet
} else {
client.Notice(client.t("*** Got a malformed username, ignoring"))