File 4652-ssl-Make-sure-to-get-all-data-from-the-port.patch of Package erlang

From 17e79a469759cbf0363427c22459536c9895c9d5 Mon Sep 17 00:00:00 2001
From: Ingela Anderton Andin <ingela@erlang.org>
Date: Fri, 14 Jan 2022 09:20:38 +0100
Subject: [PATCH 2/2] ssl: Make sure to get all data from the port

---
 lib/ssl/test/ssl_test_lib.erl | 40 ++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 10 deletions(-)

diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl
index 628e7119ba..2c4fa77b33 100644
--- a/lib/ssl/test/ssl_test_lib.erl
+++ b/lib/ssl/test/ssl_test_lib.erl
@@ -719,6 +719,7 @@ start_openssl_server(Mode, Args0, Config) ->
 init_openssl_server(openssl, _, Options) ->
     DefaultVersions = default_tls_version(Options),
     [Version | _] = proplists:get_value(versions, Options, DefaultVersions),
+    DOpenssl = proplists:get_value(debug_openssl, Options, false),
     Port = inet_port(node()),
     Pid = proplists:get_value(from, Options),
      
@@ -730,7 +731,7 @@ init_openssl_server(openssl, _, Options) ->
     CertArgs = openssl_cert_options(Options, server), 
     AlpnArgs = openssl_alpn_options(proplists:get_value(alpn, Options, undefined)),
     NpnArgs =  openssl_npn_options(proplists:get_value(np, Options, undefined)),                
-    Debug = openssl_debug_options(PrivDir),
+    Debug = openssl_debug_options(PrivDir, DOpenssl),
 
     Args0 =  case Groups0 of
                 undefined ->
@@ -775,7 +776,7 @@ init_openssl_server(Mode, ResponderPort, Options) when Mode == openssl_ocsp orel
             "-status_verbose",
             "-status_url",
             "http://127.0.0.1:" ++ erlang:integer_to_list(ResponderPort),
-            version_flag(Version)] ++ CertArgs ++ ["-msg", "-debug"]
+            version_flag(Version)] ++ CertArgs 
             ++ openssl_dtls_opt(GroupName),
 
     SslPort = portable_open_port(Exe, Args),
@@ -2160,6 +2161,7 @@ ecc_test_error(COpts, SOpts, CECCOpts, SECCOpts, Config) ->
 start_client(openssl, Port, ClientOpts, Config) ->
     Version = protocol_version(Config),
     Exe = "openssl",
+    DOpenssl = proplists:get_value(debug_openssl, ClientOpts, false),
     Ciphers = proplists:get_value(ciphers, ClientOpts, ssl:cipher_suites(default,Version)),
     Groups0 = proplists:get_value(groups, ClientOpts),
     CertArgs = openssl_cert_options(ClientOpts, client),
@@ -2171,7 +2173,7 @@ start_client(openssl, Port, ClientOpts, Config) ->
     SessionArgs =  proplists:get_value(session_args, ClientOpts, []),
     HostName = proplists:get_value(hostname, ClientOpts, net_adm:localhost()),
     SNI = openssl_sni(proplists:get_value(server_name_indication, ClientOpts, undefined)),
-    Debug = openssl_debug_options(),
+    Debug = openssl_debug_options(DOpenssl),
 
     Exe = "openssl",
     Args0 =  case Groups0 of
@@ -2265,7 +2267,8 @@ start_server(openssl, ClientOpts, ServerOpts, Config) ->
     Groups0 = proplists:get_value(groups, ServerOpts),
     SigAlgs = proplists:get_value(openssl_sigalgs, Config, undefined),
     SessionArgs = proplists:get_value(session_args, Config, []),
-    Debug = openssl_debug_options(),
+    DOpenssl = proplists:get_value(debug_openssl, ServerOpts, false),
+    Debug = openssl_debug_options(DOpenssl),
 
     Args =  case Groups0 of
                 undefined ->
@@ -2345,16 +2348,20 @@ openssl_sni(disable) ->
 openssl_sni(ServerName) ->
     ["-servername", ServerName].
 
-openssl_debug_options() ->
-    ["-msg", "-debug"].
+openssl_debug_options(true) ->
+    ["-msg", "-debug"];
+openssl_debug_options(false) ->
+    [].
 %%
-openssl_debug_options(PrivDir) ->
+openssl_debug_options(PrivDir, true) ->
     case is_keylogfile_supported() of
         true ->
             ["-msg", "-debug","-keylogfile", PrivDir ++ "keylog"];
         false ->
             ["-msg", "-debug"]
-    end.
+    end;
+openssl_debug_options(_, false) ->
+    [].
 
 is_keylogfile_supported() ->
     [{_,_, Bin}]  = crypto:info_lib(),
@@ -3345,10 +3352,23 @@ portable_open_port(Exe, Args) ->
 
 portable_cmd(Exe, Args) ->
     Port = portable_open_port(Exe, Args),
+    collect_port_data(Port).
+
+collect_port_data(Port) ->
+    collect_port_data(Port, []).
+
+collect_port_data(Port, Acc) ->
     receive
          {Port, {data, Data}} ->
-            catch erlang:port_close(Port),
-            Data
+            maybe_collect_more_port_data(Port, Acc ++ Data)
+    end.
+
+maybe_collect_more_port_data(Port, Acc) ->
+    receive
+        {Port, {data, Data}} ->
+            maybe_collect_more_port_data(Port, Acc ++ Data) 
+    after 500 ->
+            Acc
     end.
 
 supports_ssl_tls_version(Version) when Version == sslv2;
-- 
2.31.1