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sasl: Follow PLAIN spec more closely

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This commit is contained in:
Daniel Oaks 2016-12-01 18:48:11 +10:00
parent cc910d0e6e
commit 1cc217a9ae
1 changed files with 13 additions and 9 deletions
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22
irc/accounts.go
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@ -171,19 +171,23 @@ func authenticateHandler(server *Server, client *Client, msg ircmsg.IrcMessage)
func authPlainHandler(server *Server, client *Client, mechanism string, value []byte) bool {
splitValue := bytes.Split(value, []byte{'\000'})
if len(splitValue) != 3 {
var accountKey, authzid string
if len(splitValue) == 3 {
accountKey = string(splitValue[0])
authzid = string(splitValue[1])
if accountKey == "" {
accountKey = authzid
} else if accountKey != authzid {
client.Send(nil, server.name, ERR_SASLFAIL, client.nick, "SASL authentication failed: authcid and authzid should be the same")
return false
}
} else {
client.Send(nil, server.name, ERR_SASLFAIL, client.nick, "SASL authentication failed: Invalid auth blob")
return false
}
accountKey := string(splitValue[0])
authzid := string(splitValue[1])
if accountKey != authzid {
client.Send(nil, server.name, ERR_SASLFAIL, client.nick, "SASL authentication failed: authcid and authzid should be the same")
return false
}
// keep it the same as in the REG CREATE stage
accountKey, err := CasefoldName(accountKey)
if err != nil {