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fix #2135

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Handling of reserved nicknames is special-cased due to #1594, but we want to send
ERR_NICKNAMEINUSE if the nickname is actually in use, since that doesn't pose any
client compatibility problems.
This commit is contained in:
Shivaram Lingamneni 2024-03-11 01:32:39 -04:00
parent 681e8b1292
commit 837f6ac1a2
2 changed files with 10 additions and 1 deletions
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9
irc/client_lookup_set.go
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@ -116,6 +116,8 @@ func (clients *ClientManager) SetNick(client *Client, session *Session, newNick
useAccountName = alwaysOn || config.Accounts.NickReservation.ForceNickEqualsAccount
}
nickIsReserved := false
if useAccountName {
if registered && newNick != accountName {
return "", errNickAccountMismatch, false
@ -167,7 +169,9 @@ func (clients *ClientManager) SetNick(client *Client, session *Session, newNick
reservedAccount, method := client.server.accounts.EnforcementStatus(newCfNick, newSkeleton)
if method == NickEnforcementStrict && reservedAccount != "" && reservedAccount != account {
return "", errNicknameReserved, false
// see #2135: we want to enter the critical section, see if the nick is actually in use,
// and return errNicknameInUse in that case
nickIsReserved = true
}
}
@ -219,6 +223,9 @@ func (clients *ClientManager) SetNick(client *Client, session *Session, newNick
if skeletonHolder != nil && skeletonHolder != client {
return "", errNicknameInUse, false
}
if nickIsReserved {
return "", errNicknameReserved, false
}
if dryRun {
return "", nil, false