File 0384-ssh-Bug-fix-sftp-error-codes.patch of Package erlang

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File 0384-ssh-Bug-fix-sftp-error-codes.patch of Package erlang (Revision 13808be221626a875b26c001c1f2ed61)

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From 182c7b954620e9287ba2ddce9b1cbaceb1bddbaf Mon Sep 17 00:00:00 2001
From: Hans Nilsson <hans@erlang.org>
Date: Thu, 21 Jun 2018 10:38:51 +0200
Subject: [PATCH 1/2] ssh: Bug fix sftp error codes

Report the signal name if the signal error message is ""
Do not report a return code of 0 as an error.
---
 lib/ssh/doc/src/ssh_sftp.xml |  8 ++++++--
 lib/ssh/src/ssh_sftp.erl     | 13 +++++++++++--
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/lib/ssh/doc/src/ssh_sftp.xml b/lib/ssh/doc/src/ssh_sftp.xml
index 129426a6d5..f367560b5f 100644
--- a/lib/ssh/doc/src/ssh_sftp.xml
+++ b/lib/ssh/doc/src/ssh_sftp.xml
@@ -46,9 +46,9 @@
 <taglist>
 <tag><c>reason()</c></tag>
 <item>
-	= <c>atom()</c> A description of the reason why an operation failed.
+	= <c>atom() | string() | tuple() </c>A description of the reason why an operation failed.
 	
-	 The value is formed from the sftp error codes in the protocol-level responses as defined in 
+	 The <c>atom()</c> value is formed from the sftp error codes in the protocol-level responses as defined in 
 	 <url href="https://tools.ietf.org/id/draft-ietf-secsh-filexfer-13.txt">draft-ietf-secsh-filexfer-13.txt</url>
 	 section 9.1.
 	
@@ -57,6 +57,10 @@
 	 E.g. the error code <c>SSH_FX_NO_SUCH_FILE</c>
 	 will cause the <c>reason()</c> to be <c>no_such_file</c>.
 	
+	The <c>string()</c> reason is the error information from the server in case of an exit-signal. If that information is empty, the reason is the exit signal name.
+	
+	The <c>tuple()</c> reason are other errors like the <c>{exit_status,integer()}</c> if the exit status is not 0.
+	
 </item>
 
 <tag><c>ssh_connection_ref() =</c></tag>
diff --git a/lib/ssh/src/ssh_sftp.erl b/lib/ssh/src/ssh_sftp.erl
index 9e1229dc85..79586141b2 100644
--- a/lib/ssh/src/ssh_sftp.erl
+++ b/lib/ssh/src/ssh_sftp.erl
@@ -801,13 +801,22 @@ handle_ssh_msg({ssh_cm, _, {signal, _, _}}, State) ->
 %% Ignore signals according to RFC 4254 section 6.9.
 {ok, State};
 
-handle_ssh_msg({ssh_cm, _, {exit_signal, ChannelId, _, Error, _}},
+handle_ssh_msg({ssh_cm, _, {exit_signal, ChannelId, Signal, Error0, _}},
 	 State0) ->
+ Error =
+ case Error0 of
+ "" -> Signal;
+ _ -> Error0
+ end,
 State = reply_all(State0, {error, Error}),
 {stop, ChannelId, State};
 
 handle_ssh_msg({ssh_cm, _, {exit_status, ChannelId, Status}}, State0) ->
- State = reply_all(State0, {error, {exit_status, Status}}),
+ State = 
+ case State0 of
+ 0 -> State0;
+ _ -> reply_all(State0, {error, {exit_status, Status}})
+ end,
 {stop, ChannelId, State}.
 
 %%--------------------------------------------------------------------
-- 
2.16.4

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File 0384-ssh-Bug-fix-sftp-error-codes.patch of Package erlang (Revision 13808be221626a875b26c001c1f2ed61)

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