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also unicode-normalize usernames (email addresses) when logging into the imapserver and webapps

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and don't do needless normalization for the username we got from scram: the
scram package would have failed if the name wasn't already normalized.

unicode may not be specified for sasl with imap (i'm not sure), but there's no
point in accepting it over smtpserver but not in imapserver.
This commit is contained in:
Mechiel Lukkien
2025-02-06 15:37:33 +01:00
parent 7b3ebb2647
commit c7354cc22b
3 changed files with 11 additions and 7 deletions
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4
smtpserver/server.go
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@ -1544,7 +1544,7 @@ func (c *conn) cmdAuth(p *parser) {
c.log.Infox("scram protocol error", err, slog.Any("remote", c.remoteIP))
xsmtpUserErrorf(smtp.C455BadParams, smtp.SePol7Other0, "scram protocol error: %s", err)
}
username = norm.NFC.String(ss.Authentication)
username = ss.Authentication
la.LoginAddress = username
c.log.Debug("scram auth", slog.String("authentication", username))
account, la.AccountName, _, err = store.OpenEmail(c.log, username, false)
@ -1620,7 +1620,7 @@ func (c *conn) cmdAuth(p *parser) {
// ../rfc/4422:1618
buf := xreadInitial("")
username = string(buf)
username = norm.NFC.String(string(buf))
la.LoginAddress = username
if !c.tls {