From 7efe1b6dd3215261777b5f335b4f92dfca7cea42 Mon Sep 17 00:00:00 2001
From: Ingela Anderton Andin <ingela@erlang.org>
Date: Wed, 13 Nov 2013 10:56:13 +0100
Subject: ssh: Logging fun and document enhancement

---
 lib/ssh/doc/src/ssh.xml                | 17 ++++++++---------
 lib/ssh/doc/src/ssh_client_key_api.xml |  6 ++++--
 lib/ssh/doc/src/ssh_server_key_api.xml |  4 +++-
 lib/ssh/src/ssh_connection_handler.erl | 22 +++++++++++++++-------
 4 files changed, 30 insertions(+), 19 deletions(-)

(limited to 'lib/ssh')

diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml
index acf31fc0e9..c1a51d57fc 100644
--- a/lib/ssh/doc/src/ssh.xml
+++ b/lib/ssh/doc/src/ssh.xml
@@ -53,8 +53,7 @@
     returned by ssh:daemon/[1,2,3]</c></p>
     <p><c>ssh_connection_ref() - opaque to the user
     returned by ssh:connect/3</c></p>
-    <p><c>ip_address() - {N1,N2,N3,N4} % IPv4 |
-    {K1,K2,K3,K4,K5,K6,K7,K8} % IPv6</c></p>
+    <p><c>ip_address() - inet::ip_address()</c></p>
     <p><c>subsystem_spec() = {subsystem_name(),
     {channel_callback(), channel_init_args()}} </c></p>
     <p><c>subsystem_name() = string() </c></p>
@@ -296,7 +295,7 @@
               user. From a security perspective this option makes
 	      the server very vulnerable.</p>
 	  </item>
-	  <tag><c><![CDATA[{pwdfun, fun(User::string(), password::string() -> boolean()}]]></c></tag>
+	  <tag><c><![CDATA[{pwdfun, fun(User::string(), password::string()) -> boolean()}]]></c></tag>
 	  <item>
 	    <p>Provide a function for password validation. This is called
 	      with user and password as strings, and should return
@@ -313,17 +312,17 @@
 	  <item>
 	    <p>Allow an existing file-descriptor to be used
 	  (simply passed on to the transport protocol).</p></item>
-	  <tag><c><![CDATA[{failfun, fun()}]]></c></tag>
+	  <tag><c><![CDATA[{failfun, fun(User::string(), PeerAddress::ip_address(), Reason::term()) -> _}]]></c></tag>
 	  <item>
-	    <p>Provide a fun() to implement your own logging when a user fails to authenticate.</p>
+	    <p>Provide a fun to implement your own logging when a user fails to authenticate.</p>
 	  </item>
-	  <tag><c><![CDATA[{connectfun, fun()}]]></c></tag>
+	  <tag><c><![CDATA[{connectfun, fun(User::string(), PeerAddress::ip_address(), Method::string()) ->_}]]></c></tag>
 	  <item>
-	    <p>Provide a fun() to implement your own logging when a user authenticates to the server.</p>
+	    <p>Provide a fun to implement your own logging when a user authenticates to the server.</p>
 	  </item>
-	  <tag><c><![CDATA[{disconnectfun, fun()}]]></c></tag>
+	  <tag><c><![CDATA[{disconnectfun, fun(Reason:term()) -> _}]]></c></tag>
 	  <item>
-	    <p>Provide a fun() to implement your own logging when a user disconnects from the server.</p>
+	    <p>Provide a fun to implement your own logging when a user disconnects from the server.</p>
 	  </item>
         </taglist>
       </desc>
diff --git a/lib/ssh/doc/src/ssh_client_key_api.xml b/lib/ssh/doc/src/ssh_client_key_api.xml
index b9b1ec4efa..2fa06f8bf1 100644
--- a/lib/ssh/doc/src/ssh_client_key_api.xml
+++ b/lib/ssh/doc/src/ssh_client_key_api.xml
@@ -41,12 +41,14 @@
 
     <p>Type definitions that are used more than once in this module
     and/or abstractions to indicate the intended use of the data
-    type:</p>
+    type. For more details on public key data types 
+    see the <seealso marker="public_key:public_key_records"> public_key user's guide.</seealso>
+    </p>
 
     <p> boolean() = true | false</p>
     <p> string() =  [byte()] </p>
     <p> public_key() =  #'RSAPublicKey'{}| {integer(),  #'Dss-Parms'{}}| term()</p>
-    <p> private_key() =  #'RSAPublicKey'{}| {integer(),  #'Dss-Parms'{}}| term()</p>
+    <p> private_key() =  #'RSAPrivateKey'{} | #'DSAPrivateKey'{} | term()</p>
     <p> public_key_algorithm() =  'ssh-rsa'| 'ssh-dss' | atom()</p>
 
   </section>
diff --git a/lib/ssh/doc/src/ssh_server_key_api.xml b/lib/ssh/doc/src/ssh_server_key_api.xml
index 51e1fc1f2e..ee537f2f60 100644
--- a/lib/ssh/doc/src/ssh_server_key_api.xml
+++ b/lib/ssh/doc/src/ssh_server_key_api.xml
@@ -40,7 +40,9 @@
 
     <p>Type definitions that are used more than once in this module
     and/or abstractions to indicate the intended use of the data
-    type:</p>
+    type. For more details on public key data types 
+    see the <seealso marker="public_key:public_key_records"> public_key user's guide.</seealso>
+    </p>
 
     <p> boolean() = true | false</p>
     <p> string() = [byte()]</p>
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 753569e442..7ba2179a76 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -429,7 +429,7 @@ userauth(#ssh_msg_userauth_request{service = "ssh-connection",
 	    {next_state, connected, 
 	     next_packet(State#state{auth_user = User, ssh_params = Ssh})};
 	{not_authorized, {User, Reason}, {Reply, Ssh}} ->
-	    retry_fun(User, Reason, Opts),
+	    retry_fun(User, Address, Reason, Opts),
 	    send_msg(Reply, State),
 	    {next_state, userauth, next_packet(State#state{ssh_params = Ssh})} 
     end;
@@ -1399,23 +1399,31 @@ connected_fun(User, PeerAddr, Method, Opts) ->
 	    catch Fun(User, PeerAddr, Method)
     end.
 
-retry_fun(_, undefined, _) ->
+retry_fun(_, _, undefined, _) ->
     ok;
 
-retry_fun(User, {error, Reason}, Opts) ->
+retry_fun(User, PeerAddr, {error, Reason}, Opts) ->
     case proplists:get_value(failfun, Opts) of
 	undefined ->
 	    ok;
 	Fun ->
-	    catch Fun(User, Reason)
+	    do_retry_fun(Fun, User, PeerAddr, Reason)
     end;
 
-retry_fun(User, Reason, Opts) ->
+retry_fun(User, PeerAddr, Reason, Opts) ->
     case proplists:get_value(infofun, Opts) of
 	undefined ->
 	    ok;
-	Fun ->
-	    catch Fun(User, Reason)
+	Fun  ->
+	    do_retry_fun(Fun, User, PeerAddr, Reason)
+    end.
+
+do_retry_fun(Fun, User, PeerAddr, Reason) ->
+    case erlang:fun_info(Fun, arity) of
+	2 -> %% Backwards compatible
+	    catch Fun(User, Reason);
+	3 ->
+	    catch Fun(User, PeerAddr, Reason)
     end.
 
 ssh_info([], _State, Acc) ->
-- 
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