Chapril/xmpp.chapril.org-ejabberd
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Merge pull request #325 from weiss/auth-after-tls

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Don't advertise authentication mechanisms too early
This commit is contained in:
Evgeny Khramtsov 2014-10-23 14:56:15 +04:00
commit 8cf43cf750
1 changed files with 19 additions and 13 deletions
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32
src/ejabberd_c2s.erl
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@ -383,6 +383,9 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
send_header(StateData, Server, <<"1.0">>, DefaultLang),
case StateData#state.authenticated of
false ->
TLS = StateData#state.tls,
TLSEnabled = StateData#state.tls_enabled,
TLSRequired = StateData#state.tls_required,
SASLState =
cyrsasl:server_new(
<<"jabber">>, Server, <<"">>, [],
@ -398,12 +401,21 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
ejabberd_auth:check_password_with_authmodule(
U, Server, P, D, DG)
end),
Mechs = lists:map(fun (S) ->
#xmlel{name = <<"mechanism">>,
attrs = [],
children = [{xmlcdata, S}]}
end,
cyrsasl:listmech(Server)),
Mechs =
case TLSEnabled or not TLSRequired of
true ->
Ms = lists:map(fun (S) ->
#xmlel{name = <<"mechanism">>,
attrs = [],
children = [{xmlcdata, S}]}
end,
cyrsasl:listmech(Server)),
[#xmlel{name = <<"mechanisms">>,
attrs = [{<<"xmlns">>, ?NS_SASL}],
children = Ms}];
false ->
[]
end,
SockMod =
(StateData#state.sockmod):get_sockmod(
StateData#state.socket),
@ -421,9 +433,6 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
_ ->
[]
end,
TLS = StateData#state.tls,
TLSEnabled = StateData#state.tls_enabled,
TLSRequired = StateData#state.tls_required,
TLSFeature =
case (TLS == true) andalso
(TLSEnabled == false) andalso
@ -448,10 +457,7 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
#xmlel{name = <<"stream:features">>,
attrs = [],
children =
TLSFeature ++ CompressFeature ++
[#xmlel{name = <<"mechanisms">>,
attrs = [{<<"xmlns">>, ?NS_SASL}],
children = Mechs}]
TLSFeature ++ CompressFeature ++ Mechs
++
ejabberd_hooks:run_fold(c2s_stream_features,
Server, [], [Server])}),