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aports/testing/ejabberd/gssapi-2.1.0.diff
Francesco Colista 338f03dfe7 testing/ejabberd: upgrade to 2.1.12
2013-06-06 10:41:58 +00:00

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commit e99cc20600e5668e4edb9a2671e0cb7a23663389
Author: Badlop <badlop@process-one.net>
Date: Tue Sep 29 15:10:15 2009 +0200
Support to authenticate against SASL GSSAPI http://www.ejabberd.im/cyrsasl_gssapi
diff --git a/src/cyrsasl.erl b/src/cyrsasl.erl
index f993b99..e8bd275 100644
--- a/src/cyrsasl.erl
+++ b/src/cyrsasl.erl
@@ -30,19 +30,20 @@
-export([start/0,
register_mechanism/3,
listmech/1,
- server_new/7,
+ server_new/8,
server_start/3,
server_step/2]).
-record(sasl_mechanism, {mechanism, module, require_plain_password}).
--record(sasl_state, {service, myname, realm,
- get_password, check_password, check_password_digest,
- mech_mod, mech_state}).
+-record(sasl_state, {service, myname,
+ mech_mod, mech_state, ctx}).
+
+-include("ejabberd.hrl").
-export([behaviour_info/1]).
behaviour_info(callbacks) ->
- [{mech_new, 4}, {mech_step, 2}];
+ [{mech_new, 1}, {mech_step, 2}];
behaviour_info(_Other) ->
undefined.
@@ -50,6 +51,7 @@ start() ->
ets:new(sasl_mechanism, [named_table,
public,
{keypos, #sasl_mechanism.mechanism}]),
+ cyrsasl_gssapi:start([]),
cyrsasl_plain:start([]),
cyrsasl_digest:start([]),
cyrsasl_anonymous:start([]),
@@ -113,24 +115,26 @@ listmech(Host) ->
filter_anonymous(Host, Mechs).
server_new(Service, ServerFQDN, UserRealm, _SecFlags,
- GetPassword, CheckPassword, CheckPasswordDigest) ->
+ GetPassword, CheckPassword, CheckPasswordDigest, FQDN) ->
+ Ctx = #sasl_ctx{
+ host = ServerFQDN,
+ realm = UserRealm,
+ get_password = GetPassword,
+ check_password = CheckPassword,
+ check_password_digest= CheckPasswordDigest,
+ fqdn = FQDN
+ },
+
#sasl_state{service = Service,
myname = ServerFQDN,
- realm = UserRealm,
- get_password = GetPassword,
- check_password = CheckPassword,
- check_password_digest= CheckPasswordDigest}.
+ ctx = Ctx}.
server_start(State, Mech, ClientIn) ->
case lists:member(Mech, listmech(State#sasl_state.myname)) of
true ->
case ets:lookup(sasl_mechanism, Mech) of
[#sasl_mechanism{module = Module}] ->
- {ok, MechState} = Module:mech_new(
- State#sasl_state.myname,
- State#sasl_state.get_password,
- State#sasl_state.check_password,
- State#sasl_state.check_password_digest),
+ {ok, MechState} = Module:mech_new(State#sasl_state.ctx),
server_step(State#sasl_state{mech_mod = Module,
mech_state = MechState},
ClientIn);
diff --git a/src/cyrsasl_anonymous.erl b/src/cyrsasl_anonymous.erl
index 19e65d6..af93207 100644
--- a/src/cyrsasl_anonymous.erl
+++ b/src/cyrsasl_anonymous.erl
@@ -27,12 +27,14 @@
-module(cyrsasl_anonymous).
--export([start/1, stop/0, mech_new/4, mech_step/2]).
+-export([start/1, stop/0, mech_new/1, mech_step/2]).
-behaviour(cyrsasl).
-record(state, {server}).
+-include("ejabberd.hrl").
+
start(_Opts) ->
cyrsasl:register_mechanism("ANONYMOUS", ?MODULE, false),
ok.
@@ -40,7 +42,7 @@ start(_Opts) ->
stop() ->
ok.
-mech_new(Host, _GetPassword, _CheckPassword, _CheckPasswordDigest) ->
+mech_new(#sasl_ctx{host=Host}) ->
{ok, #state{server = Host}}.
mech_step(State, _ClientIn) ->
diff --git a/src/cyrsasl_digest.erl b/src/cyrsasl_digest.erl
index b3e80e0..d26fec1 100644
--- a/src/cyrsasl_digest.erl
+++ b/src/cyrsasl_digest.erl
@@ -29,7 +29,7 @@
-export([start/1,
stop/0,
- mech_new/4,
+ mech_new/1,
mech_step/2]).
-include("ejabberd.hrl").
@@ -45,7 +45,7 @@ start(_Opts) ->
stop() ->
ok.
-mech_new(Host, GetPassword, _CheckPassword, CheckPasswordDigest) ->
+mech_new(#sasl_ctx{host=Host, get_password=GetPassword, check_password = CheckPasswordDigest}) ->
{ok, #state{step = 1,
nonce = randoms:get_string(),
host = Host,
diff --git a/src/cyrsasl_gssapi.erl b/src/cyrsasl_gssapi.erl
new file mode 100644
index 0000000..d292565
--- /dev/null
+++ b/src/cyrsasl_gssapi.erl
@@ -0,0 +1,143 @@
+%%%----------------------------------------------------------------------
+%%% File : cyrsasl_gssapi.erl
+%%% Author : Mikael Magnusson <mikma@users.sourceforge.net>
+%%% Purpose : GSSAPI SASL mechanism
+%%% Created : 1 June 2007 by Mikael Magnusson <mikma@users.sourceforge.net>
+%%% Id : $Id: $
+%%%----------------------------------------------------------------------
+%%%
+%%% Copyright (C) 2007 Mikael Magnusson <mikma@users.sourceforge.net>
+%%%
+%%% Permission is hereby granted, free of charge, to any person
+%%% obtaining a copy of this software and associated documentation
+%%% files (the "Software"), to deal in the Software without
+%%% restriction, including without limitation the rights to use, copy,
+%%% modify, merge, publish, distribute, sublicense, and/or sell copies
+%%% of the Software, and to permit persons to whom the Software is
+%%% furnished to do so, subject to the following conditions:
+%%%
+%%% The above copyright notice and this permission notice shall be
+%%% included in all copies or substantial portions of the Software.
+%%%
+%%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+%%% EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+%%% MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+%%% NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+%%% BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+%%% ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+%%% CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+%%% SOFTWARE.
+%%%
+
+%%%
+%%% configuration options:
+%%% {sasl_realm, "<Kerberos realm>"}.
+%%%
+%%% environment variables:
+%%% KRB5_KTNAME
+%%%
+
+-module(cyrsasl_gssapi).
+-author('mikma@users.sourceforge.net').
+-vsn('$Revision: $ ').
+
+-include("ejabberd.hrl").
+
+-export([start/1,
+ stop/0,
+ mech_new/1,
+ mech_step/2]).
+
+-behaviour(cyrsasl).
+
+-define(SERVER, cyrsasl_gssapi).
+-define(MSG, ?DEBUG).
+
+-record(state, {sasl,
+ needsmore=true,
+ step=0,
+ host,
+ authid,
+ authzid,
+ authrealm}).
+
+start(_Opts) ->
+ ChildSpec =
+ {?SERVER,
+ {esasl, start_link, [{local, ?SERVER}]},
+ transient,
+ 1000,
+ worker,
+ [esasl]},
+
+ {ok, _Pid} = supervisor:start_child(ejabberd_sup, ChildSpec),
+
+ cyrsasl:register_mechanism("GSSAPI", ?MODULE, false).
+
+stop() ->
+ esasl:stop(?SERVER),
+ supervisor:terminate_child(ejabberd_sup, ?SERVER),
+ supervisor:delete_child(ejabberd_sup, ?SERVER).
+
+mech_new(#sasl_ctx{host=Host, fqdn=FQDN}) ->
+ ?MSG("mech_new ~p ~p~n", [Host, FQDN]),
+ {ok, Sasl} = esasl:server_start(?SERVER, "GSSAPI", "xmpp", FQDN),
+ {ok, #state{sasl=Sasl,host=Host}}.
+
+mech_step(State, ClientIn) when is_list(ClientIn) ->
+ catch do_step(State, ClientIn).
+
+do_step(#state{needsmore=false}=State, _) ->
+ check_user(State);
+do_step(#state{needsmore=true,sasl=Sasl,step=Step}=State, ClientIn) ->
+ ?MSG("mech_step~n", []),
+ case esasl:step(Sasl, list_to_binary(ClientIn)) of
+ {ok, RspAuth} ->
+ ?MSG("ok~n", []),
+ {ok, Display_name} = esasl:property_get(Sasl, gssapi_display_name),
+ {ok, Authzid} = esasl:property_get(Sasl, authzid),
+ {Authid, [$@ | Auth_realm]} =
+ lists:splitwith(fun(E)->E =/= $@ end, Display_name),
+ State1 = State#state{authid=Authid,
+ authzid=Authzid,
+ authrealm=Auth_realm},
+ handle_step_ok(State1, binary_to_list(RspAuth));
+ {needsmore, RspAuth} ->
+ ?MSG("needsmore~n", []),
+ if (Step > 0) and (ClientIn =:= []) and (RspAuth =:= <<>>) ->
+ {error, "not-authorized"};
+ true ->
+ {continue, binary_to_list(RspAuth),
+ State#state{step=Step+1}}
+ end;
+ {error, _} ->
+ {error, "not-authorized"}
+ end.
+
+handle_step_ok(State, []) ->
+ check_user(State);
+handle_step_ok(#state{step=Step}=State, RspAuth) ->
+ ?MSG("continue~n", []),
+ {continue, RspAuth, State#state{needsmore=false,step=Step+1}}.
+
+check_user(#state{authid=Authid,authzid=Authzid,
+ authrealm=Auth_realm,host=Host}) ->
+ Realm = ejabberd_config:get_local_option({sasl_realm, Host}),
+
+ if Realm =/= Auth_realm ->
+ ?MSG("bad realm ~p (expected ~p)~n",[Auth_realm, Realm]),
+ throw({error, "not-authorized"});
+ true ->
+ ok
+ end,
+
+ case ejabberd_auth:is_user_exists(Authid, Host) of
+ false ->
+ ?MSG("bad user ~p~n",[Authid]),
+ throw({error, "not-authorized"});
+ true ->
+ ok
+ end,
+
+ ?MSG("GSSAPI authenticated ~p ~p~n", [Authid, Authzid]),
+ {ok, [{username, Authid}, {authzid, Authzid}]}.
diff --git a/src/cyrsasl_plain.erl b/src/cyrsasl_plain.erl
index 4e69b06..5187665 100644
--- a/src/cyrsasl_plain.erl
+++ b/src/cyrsasl_plain.erl
@@ -27,10 +27,11 @@
-module(cyrsasl_plain).
-author('alexey@process-one.net').
--export([start/1, stop/0, mech_new/4, mech_step/2, parse/1]).
+-export([start/1, stop/0, mech_new/1, mech_step/2, parse/1]).
-behaviour(cyrsasl).
+-include("ejabberd.hrl").
-record(state, {check_password}).
start(_Opts) ->
@@ -40,7 +41,7 @@ start(_Opts) ->
stop() ->
ok.
-mech_new(_Host, _GetPassword, CheckPassword, _CheckPasswordDigest) ->
+mech_new(#sasl_ctx{check_password=CheckPassword}) ->
{ok, #state{check_password = CheckPassword}}.
mech_step(State, ClientIn) ->
diff --git a/src/ejabberd.hrl b/src/ejabberd.hrl
index 717496f..4d683bb 100644
--- a/src/ejabberd.hrl
+++ b/src/ejabberd.hrl
@@ -59,3 +59,10 @@
-define(CRITICAL_MSG(Format, Args),
ejabberd_logger:critical_msg(?MODULE,?LINE,Format, Args)).
+-record(sasl_ctx, {
+ host,
+ realm,
+ get_password,
+ check_password,
+ check_password_digest,
+ fqdn}).
diff --git a/src/ejabberd_c2s.erl b/src/ejabberd_c2s.erl
index 8ca5f5c..aebd860 100644
--- a/src/ejabberd_c2s.erl
+++ b/src/ejabberd_c2s.erl
@@ -67,6 +67,7 @@
-record(state, {socket,
sockmod,
socket_monitor,
+ fqdn,
xml_socket,
streamid,
sasl_state,
@@ -204,9 +205,11 @@ init([{SockMod, Socket}, Opts]) ->
Socket
end,
SocketMonitor = SockMod:monitor(Socket1),
+ {ok, FQDN} = ejabberd_net:gethostname(Socket),
{ok, wait_for_stream, #state{socket = Socket1,
sockmod = SockMod,
socket_monitor = SocketMonitor,
+ fqdn = FQDN,
xml_socket = XMLSocket,
zlib = Zlib,
tls = TLS,
@@ -250,6 +253,8 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
send_header(StateData, Server, "1.0", DefaultLang),
case StateData#state.authenticated of
false ->
+ FQDN = StateData#state.fqdn,
+ ?INFO_MSG("FQDN: ~p~n", [FQDN]),
SASLState =
cyrsasl:server_new(
"jabber", Server, "", [],
@@ -264,7 +269,8 @@ wait_for_stream({xmlstreamstart, _Name, Attrs}, StateData) ->
fun(U, P, D, DG) ->
ejabberd_auth:check_password_with_authmodule(
U, Server, P, D, DG)
- end),
+ end,
+ FQDN),
Mechs = lists:map(
fun(S) ->
{xmlelement, "mechanism", [],
diff --git a/src/ejabberd_net.erl b/src/ejabberd_net.erl
new file mode 100644
index 0000000..e9ab70a
--- /dev/null
+++ b/src/ejabberd_net.erl
@@ -0,0 +1,39 @@
+%%%----------------------------------------------------------------------
+%%% File : ejabberd_net.erl
+%%% Author : Mikael Magnusson <mikma@users.sourceforge.net>
+%%% Purpose : Serve C2S connection
+%%% Created : 6 June 2007 by Mikael Magnusson <mikma@users.sourceforge.net>
+%%% Id : $Id: $
+%%%----------------------------------------------------------------------
+
+-module(ejabberd_net).
+-author('mikma@users.sourceforge.net').
+%% -update_info({update, 0}).
+
+-export([gethostname/1]).
+
+-include("ejabberd.hrl").
+-include_lib("kernel/include/inet.hrl").
+
+%% Copied from ejabberd_socket.erl of ejabberd 2.0.3
+-record(socket_state, {sockmod, socket, receiver}).
+
+%%
+%% gethostname(Socket)
+%%
+gethostname(Socket) ->
+ ?INFO_MSG("gethostname ~p~n", [Socket]),
+%% {ok, "skinner.hem.za.org"}.
+
+ case ejabberd_config:get_local_option({sasl_fqdn, ?MYNAME}) of
+ undefined ->
+ {ok, {Addr, _Port}} = inet:sockname(Socket#socket_state.socket),
+ case inet:gethostbyaddr(Addr) of
+ {ok, HostEnt} when is_record(HostEnt, hostent) ->
+ {ok, HostEnt#hostent.h_name};
+ {error, What} ->
+ ?ERROR_MSG("Error in gethostname:~nSocket: ~p~nError: ~p", [What]),
+ error
+ end;
+ F -> {ok, F}
+ end.
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