inets,tftp: Break out TFTP from inets

- Create directory structure
- Move code, tests, documentation from inets
- Add inets_tftp_wrapper
- Add tftp app to run-dialyzer script

Change-Id: I6a142ae66cecb9a1821cbf9ea6a45f66a836763d

52 files changed, 965 insertions, 204 deletions

diff --git a/lib/Makefile b/lib/Makefile
index d04af322eb..d67e605875 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -35,7 +35,7 @@ ALL_ERLANG_APPLICATIONS = xmerl edoc erl_docgen snmp otp_mibs erl_interface \
 	          public_key ssl observer odbc diameter \
 	          cosTransactions cosEvent cosTime cosNotification \
 	          cosProperty cosFileTransfer cosEventDomain et megaco \
-		  eunit ssh eldap dialyzer hipe ftp
+		  eunit ssh eldap dialyzer hipe ftp tftp
 
 ifdef BUILD_ALL
   ERLANG_APPLICATIONS += $(ALL_ERLANG_APPLICATIONS)
diff --git a/lib/inets/doc/src/Makefile b/lib/inets/doc/src/Makefile
index d66ef31ba6..90c1258d4a 100644
--- a/lib/inets/doc/src/Makefile
+++ b/lib/inets/doc/src/Makefile
@@ -47,7 +47,6 @@ XML_CHAPTER_FILES = \
 
 XML_REF3_FILES = \
 	inets.xml \
-	tftp.xml \
 	http_uri.xml\
 	httpc.xml\
 	httpd.xml \
diff --git a/lib/inets/doc/src/inets.xml b/lib/inets/doc/src/inets.xml
index 9b17567fd4..eb4e51584f 100644
--- a/lib/inets/doc/src/inets.xml
+++ b/lib/inets/doc/src/inets.xml
@@ -189,8 +189,8 @@
   <section>
     <title>SEE ALSO</title>
     <p><seealso marker="httpc">httpc(3)</seealso>,
-      <seealso marker="httpd">httpd(3)</seealso>,
-      <seealso marker="tftp">tftp(3)</seealso></p>
+    <seealso marker="httpd">httpd(3)</seealso>
+    </p>
   </section>
   
 </erlref>
diff --git a/lib/inets/doc/src/introduction.xml b/lib/inets/doc/src/introduction.xml
index c006599a21..faf911f188 100644
--- a/lib/inets/doc/src/introduction.xml
+++ b/lib/inets/doc/src/introduction.xml
@@ -37,7 +37,6 @@
     <p><c>Inets</c> is a container for Internet clients and servers
       including the following:</p>
       <list type="bulleted">
-       <item>A TFTP client and server</item>
        <item>An <term id="HTTP"></term> client and server</item>
      </list>
      <p>The HTTP client and server are HTTP 1.1 compliant as
@@ -49,7 +48,7 @@
     <title>Prerequisites</title>
     <p>It is assumed that the reader is familiar with the Erlang
       programming language, concepts of OTP, and has a basic
-      understanding of the TFTP and HTTP protocols.</p>
+      understanding of and HTTP protocol.</p>
   </section>
 </chapter>
 
diff --git a/lib/inets/doc/src/part.xml b/lib/inets/doc/src/part.xml
index e7a786d47b..b9c8ed674c 100644
--- a/lib/inets/doc/src/part.xml
+++ b/lib/inets/doc/src/part.xml
@@ -33,7 +33,6 @@
     <p>The <c>Inets</c> application provides a set of 
     Internet-related services as follows:</p>
       <list type="bulleted">
-       <item>A TFTP client and server</item>
        <item>An <term id="HTTP"></term> client and server</item>
      </list>
      <p>The HTTP client and server are HTTP 1.1 compliant as
diff --git a/lib/inets/doc/src/ref_man.xml b/lib/inets/doc/src/ref_man.xml
index 33886d1a41..58c1a651f9 100644
--- a/lib/inets/doc/src/ref_man.xml
+++ b/lib/inets/doc/src/ref_man.xml
@@ -30,12 +30,9 @@
     <file>ref_man.xml</file>
   </header>
   <description>
-    <p><c>Inets</c> is a container for Internet clients and
-    servers. An HTTP client and server, and
-    a TFTP client and server are incorporated in <c>Inets</c>.</p>
+    <p><c>Inets</c> is a container for an HTTP client and server.</p>
   </description>
   <xi:include href="inets.xml"/>
-  <xi:include href="tftp.xml"/>
   <xi:include href="httpc.xml"/>
   <xi:include href="httpd.xml"/>
   <xi:include href="httpd_custom_api.xml"/>
diff --git a/lib/inets/src/inets_app/Makefile b/lib/inets/src/inets_app/Makefile
index 450e49dcc3..fad2fefe2f 100644
--- a/lib/inets/src/inets_app/Makefile
+++ b/lib/inets/src/inets_app/Makefile
@@ -49,7 +49,8 @@ MODULES = \
 	inets_sup \
 	inets_trace \
 	inets_lib \
-	inets_ftp_wrapper
+	inets_ftp_wrapper \
+	inets_tftp_wrapper
 
 INTERNAL_HRL_FILES = inets_internal.hrl
 EXTERNAL_HRL_FILES = ../../include/httpd.hrl \
diff --git a/lib/inets/src/inets_app/inets.app.src b/lib/inets/src/inets_app/inets.app.src
index 0af44e39ab..dfe773e7fe 100644
--- a/lib/inets/src/inets_app/inets.app.src
+++ b/lib/inets/src/inets_app/inets.app.src
@@ -98,13 +98,7 @@
             mod_trace,
             
             %% TFTP
-            tftp,
-            tftp_binary,
-            tftp_engine,
-            tftp_file,
-            tftp_lib,
-            tftp_logger,
-            tftp_sup
+            inets_tftp_wrapper
         ]},
   {registered,[inets_sup, httpc_manager]},
   %% If the "new" ssl is used then 'crypto' must be started before inets.
diff --git a/lib/inets/src/inets_app/inets.erl b/lib/inets/src/inets_app/inets.erl
index 615a4cf635..9005e73f5d 100644
--- a/lib/inets/src/inets_app/inets.erl
+++ b/lib/inets/src/inets_app/inets.erl
@@ -465,11 +465,13 @@ call_service(Service, Call, Args) ->
         exit:{noproc, _} ->
             {error, inets_not_started}
     end.
-	
+
+%% Obsolete! Kept for backward compatiblity!
+%% TFTP application has been moved out from inets
 service_module(tftpd) ->
-    tftp;
+    inets_tftp_wrapper;
 service_module(tftpc) ->
-    tftp;
+    inets_tftp_wrapper;
 %% Obsolete! Kept for backward compatiblity!
 %% FTP application has been moved out from inets
 service_module(ftpc) ->
diff --git a/lib/inets/src/inets_app/inets_sup.erl b/lib/inets/src/inets_app/inets_sup.erl
index 8f4d806529..22c928f9f9 100644
--- a/lib/inets/src/inets_app/inets_sup.erl
+++ b/lib/inets/src/inets_app/inets_sup.erl
@@ -61,9 +61,7 @@ children() ->
     Services = get_services(),
     HttpdServices = [Service || Service <- Services, is_httpd(Service)],
     HttpcServices =  [Service || Service <- Services, is_httpc(Service)],
-    TftpdServices =  [Service || Service <- Services, is_tftpd(Service)],
-    [httpc_child_spec(HttpcServices),
-     httpd_child_spec(HttpdServices), tftpd_child_spec(TftpdServices)].
+    [httpc_child_spec(HttpcServices), httpd_child_spec(HttpdServices)].
 
 httpc_child_spec(HttpcServices0) ->
     HttpcServices = default_profile(HttpcServices0, []),
@@ -84,15 +82,6 @@ httpd_child_spec(HttpdServices) ->
     Type = supervisor,
     {Name, StartFunc, Restart, Shutdown, Type, Modules}.
 
-tftpd_child_spec(TftpServices) ->
-    Name = tftp_sup,
-    StartFunc = {tftp_sup, start_link, [TftpServices]},
-    Restart = permanent, 
-    Shutdown = infinity,
-    Modules = [tftp_sup],
-    Type = supervisor,
-    {Name, StartFunc, Restart, Shutdown, Type, Modules}.
-
 is_httpd({httpd, _}) ->
     true;
 is_httpd({httpd, _, _}) ->
@@ -105,11 +94,6 @@ is_httpc({httpc, _}) ->
 is_httpc(_) ->
     false.
 
-is_tftpd({tftpd, _}) ->
-    true;
-is_tftpd(_) ->
-    false.
-
 default_profile([], Acc) ->
     [{httpc, {default, only_session_cookies}} | Acc];
 default_profile([{httpc, {default, _}} | _] = Profiles, Acc) ->
diff --git a/lib/inets/src/inets_app/inets_tftp_wrapper.erl b/lib/inets/src/inets_app/inets_tftp_wrapper.erl
new file mode 100644
index 0000000000..1e5deb234b
--- /dev/null
+++ b/lib/inets/src/inets_app/inets_tftp_wrapper.erl
@@ -0,0 +1,48 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2006-2018. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(inets_tftp_wrapper).
+
+
+-export([start_standalone/1,
+         start_service/1,
+	 stop_service/1,
+	 services/0,
+         service_info/1]).
+
+
+start_standalone(Options) ->
+    tftp:start_standalone(Options).
+
+
+start_service(Options) ->
+    application:ensure_started(tftp),
+    tftp:start_service(Options).
+
+
+stop_service(Pid) ->
+    tftp:stop_service(Pid).
+
+
+services() ->
+    [].
+
+
+service_info(_) ->
+    [].
diff --git a/lib/inets/src/subdirs.mk b/lib/inets/src/subdirs.mk
index 8c18691aef..e9f4de959c 100644
--- a/lib/inets/src/subdirs.mk
+++ b/lib/inets/src/subdirs.mk
@@ -1,3 +1,3 @@
 #-*-makefile-*-   ; force emacs to enter makefile-mode
 
-SUB_DIRECTORIES = inets_app http_lib http_client http_server tftp
+SUB_DIRECTORIES = inets_app http_lib http_client http_server
diff --git a/lib/inets/test/Makefile b/lib/inets/test/Makefile
index 4dab4e14c6..0e33b72095 100644
--- a/lib/inets/test/Makefile
+++ b/lib/inets/test/Makefile
@@ -138,8 +138,6 @@ MODULES =                 		\
 	httpd_test_lib    		\
 	inets_sup_SUITE   		\
 	inets_SUITE       		\
-        tftp_test_lib			\
-        tftp_SUITE                      \
 	uri_SUITE                       \
 	inets_socketwrap_SUITE
 
@@ -149,8 +147,7 @@ EBIN = .
 HRL_FILES = inets_test_lib.hrl \
 	    inets_internal.hrl \
             httpc_internal.hrl \
-            http_internal.hrl \
-            tftp_test_lib.hrl
+            http_internal.hrl
 
 ERL_FILES = $(MODULES:%=%.erl)
 
@@ -165,8 +162,7 @@ INETS_FILES = inets.config $(INETS_SPECS)
 # SUB_SUITES = \
 # 	inets_sup_suite \
 # 	inets_httpd_suite \
-# 	inets_httpc_suite \
-# 	inets_tftp_suite
+# 	inets_httpc_suite
 
 
 INETS_DATADIRS = inets_SUITE_data inets_socketwrap_SUITE_data
@@ -299,10 +295,3 @@ info:
 	@echo "INETS_PRIV_DIR    = $(INETS_PRIV_DIR)"
 	@echo "INETS_ROOT        = $(INETS_ROOT)"
 	@echo "INETS_FLAGS       = $(INETS_FLAGS)"
-
-tftp:
-	erlc $(ERL_COMPILE_FLAGS) tftp_test_lib.erl tftp_SUITE.erl && erl -pa ../../inets/ebin -s tftp_SUITE t -s erlang halt
-
-tftp_work:
-	echo "tftp_test_lib:t([{tftp_SUITE, all}])."
-	erlc $(ERL_COMPILE_FLAGS) tftp_test_lib.erl tftp_SUITE.erl && erl -pa ../../inets/ebin
diff --git a/lib/inets/test/inets_SUITE.erl b/lib/inets/test/inets_SUITE.erl
index 12db2479d2..07ce594a1d 100644
--- a/lib/inets/test/inets_SUITE.erl
+++ b/lib/inets/test/inets_SUITE.erl
@@ -41,8 +41,7 @@ groups() ->
     [{services_test, [],
       [start_inets, 
        start_httpc, 
-       start_httpd, 
-       start_tftpd
+       start_httpd
       ]},
      {app_test, [], [app, appup]}].
 
@@ -297,41 +296,6 @@ start_httpd(Config) when is_list(Config) ->
 
 %%-------------------------------------------------------------------------
 
-start_tftpd() ->
-    [{doc, "Start/stop of tfpd service"}].
-start_tftpd(Config) when is_list(Config) ->
-    process_flag(trap_exit, true),
-    ok = inets:start(),
-    {ok, Pid0} = inets:start(tftpd, [{host, "localhost"}, {port, 0}]),
-    Pids0 =  [ServicePid || {_, ServicePid} <- inets:services()],  
-    true = lists:member(Pid0, Pids0),
-    [_|_] = inets:services_info(),	
-    inets:stop(tftpd, Pid0),
-    ct:sleep(100),
-    Pids1 =  [ServicePid || {_, ServicePid} <- inets:services()], 
-    false = lists:member(Pid0, Pids1),        
-    {ok, Pid1} = 
-	inets:start(tftpd, [{host, "localhost"}, {port, 0}], stand_alone),
-    Pids2 =  [ServicePid || {_, ServicePid} <- inets:services()], 
-    false = lists:member(Pid1, Pids2),   
-    ok = inets:stop(stand_alone, Pid1),
-    receive 
-	{'EXIT', Pid1, shutdown} ->
-	    ok
-    after 100 ->
-	    ct:fail(stand_alone_not_shutdown)
-    end,
-    ok = inets:stop(),
-    application:load(inets),
-    application:set_env(inets, services, [{tftpd,[{host, "localhost"}, 
-						  {port, 0}]}]),
-    ok = inets:start(),
-    (?NUM_DEFAULT_SERVICES + 1) = length(inets:services()),
-    application:unset_env(inets, services),
-    ok = inets:stop().
-
-%%-------------------------------------------------------------------------
-
 httpd_reload() ->
     [{doc, "Reload httpd configuration without restarting service"}].
 httpd_reload(Config) when is_list(Config) ->
diff --git a/lib/inets/test/inets_socketwrap_SUITE.erl b/lib/inets/test/inets_socketwrap_SUITE.erl
index 7ea7e08ed1..fc87c595a9 100644
--- a/lib/inets/test/inets_socketwrap_SUITE.erl
+++ b/lib/inets/test/inets_socketwrap_SUITE.erl
@@ -30,7 +30,7 @@ suite() ->
     [{ct_hooks,[ts_install_cth]}].
 
 all() -> 
-    [start_httpd_fd, start_tftpd_fd].
+    [start_httpd_fd].
 
 init_per_suite(Config) ->
     case os:type() of
@@ -90,37 +90,7 @@ start_httpd_fd(Config) when is_list(Config) ->
 		    ct:fail(open_port_failed)
 	    end
     end.
-%%-------------------------------------------------------------------------
-start_tftpd_fd() ->
-    [{doc, "Start/stop of tfpd service with socket wrapper"}].
-start_tftpd_fd(Config) when is_list(Config) ->
-    DataDir = proplists:get_value(data_dir, Config),
-    case setup_node_info(node()) of
-	{skip, _}  = Skip ->
-	    Skip;
-	{Node, NodeArg} ->
-	    InetPort = inets_test_lib:inet_port(node()),
-	    ct:pal("Node: ~p~n", [Node]),
-      	    Wrapper = filename:join(DataDir, "setuid_socket_wrap"),
-	    Cmd = Wrapper ++  
-		" -s -tftpd_69,0:" ++ integer_to_list(InetPort)
-		++ " -p " ++ os:find_executable("erl") ++
-		" -- " ++ NodeArg, 
-	    ct:pal("cmd: ~p~n", [Cmd]),
-	    case open_port({spawn, Cmd}, [stderr_to_stdout]) of 
-	    	Port when is_port(Port) ->
-		    wait_node_up(Node, 10),
-		    ct:pal("~p", [rpc:call(Node, init, get_argument, [tftpd_69])]),
-		    ok = rpc:call(Node, inets, start, []),
-		    {ok, Pid} = rpc:call(Node, inets, start, 
-					 [tftpd,[{host, "localhost"}]]),
-		    {ok, Info} = rpc:call(Node, tftp, info, [Pid]),
-		    {value,{port, InetPort}} = lists:keysearch(port, 1, Info),
-		    rpc:call(Node, erlang, halt, []);
-		_  ->
-		    ct:fail(open_port_failed)
-	    end
-    end.
+
 %%-------------------------------------------------------------------------
 %% Internal functions
 %%-------------------------------------------------------------------------
diff --git a/lib/inets/test/inets_sup_SUITE.erl b/lib/inets/test/inets_sup_SUITE.erl
index d36d4dc53e..727e91e987 100644
--- a/lib/inets/test/inets_sup_SUITE.erl
+++ b/lib/inets/test/inets_sup_SUITE.erl
@@ -32,8 +32,7 @@ suite() ->
     ].
 
 all() -> 
-    [default_tree, tftpd_worker,
-     httpd_config, httpd_subtree, httpd_subtree_profile,
+    [default_tree, httpd_config, httpd_subtree, httpd_subtree_profile,
      httpc_subtree].
 
 groups() -> 
@@ -147,13 +146,11 @@ default_tree() ->
       "in the default case."}].
 default_tree(Config) when is_list(Config) ->
     TopSupChildren = supervisor:which_children(inets_sup),
-    3 = length(TopSupChildren),
+    2 = length(TopSupChildren),
     {value, {httpd_sup, _, supervisor,[httpd_sup]}} =
 	lists:keysearch(httpd_sup, 1, TopSupChildren),
     {value, {httpc_sup, _,supervisor,[httpc_sup]}} = 
 	lists:keysearch(httpc_sup, 1, TopSupChildren),
-    {value, {tftp_sup,_,supervisor,[tftp_sup]}} = 
-	lists:keysearch(tftp_sup, 1, TopSupChildren),
 
     HttpcSupChildren = supervisor:which_children(httpc_sup),
     {value, {httpc_profile_sup,_, supervisor, [httpc_profile_sup]}} =
@@ -168,24 +165,7 @@ default_tree(Config) when is_list(Config) ->
 	= supervisor:which_children(httpc_profile_sup),
     
     [] = supervisor:which_children(httpc_handler_sup),
-     
-    [] = supervisor:which_children(tftp_sup),
-
-    ok.
 
-tftpd_worker() ->
-    [{doc, "Makes sure the tftp sub tree is correct."}].
-tftpd_worker(Config) when is_list(Config) ->
-    [] = supervisor:which_children(tftp_sup),   
-    {ok, Pid0} = inets:start(tftpd, [{host, inets_test_lib:hostname()}, 
-				     {port, 0}]),
-    {ok, _Pid1} = inets:start(tftpd, [{host, inets_test_lib:hostname()}, 
-				      {port, 0}], stand_alone),
-    
-    [{_,Pid0, worker, _}] = supervisor:which_children(tftp_sup),
-    inets:stop(tftpd, Pid0),
-    ct:sleep(5000),
-    [] = supervisor:which_children(tftp_sup),
     ok.
 
 httpd_config() ->
diff --git a/lib/tftp/Makefile b/lib/tftp/Makefile
new file mode 100644
index 0000000000..5c3ed52b28
--- /dev/null
+++ b/lib/tftp/Makefile
@@ -0,0 +1,78 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 1996-2016. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# %CopyrightEnd%
+#
+#
+include $(ERL_TOP)/make/target.mk
+include $(ERL_TOP)/make/$(TARGET)/otp.mk
+
+# ----------------------------------------------------
+# Macros
+# ----------------------------------------------------
+
+SUB_DIRECTORIES = src doc/src 
+
+include vsn.mk
+VSN = $(TFTP_VSN)
+
+SPECIAL_TARGETS = 
+
+DIA_PLT      = ./priv/plt/$(APPLICATION).plt
+DIA_ANALYSIS = $(basename $(DIA_PLT)).dialyzer_analysis
+
+
+# ----------------------------------------------------
+# Default Subdir Targets
+# ----------------------------------------------------
+include $(ERL_TOP)/make/otp_subdir.mk
+
+.PHONY: info gclean dialyzer dialyzer_plt dclean
+
+info:
+	@echo "OS:        $(OS)"
+	@echo "DOCB:      $(DOCB)"
+	@echo ""
+	@echo "TFTP_VSN:   $(TFTP_VSN)"
+	@echo "APP_VSN:   $(APP_VSN)"
+	@echo ""
+	@echo "DIA_PLT:      $(DIA_PLT)"
+	@echo "DIA_ANALYSIS: $(DIA_ANALYSIS)"
+	@echo ""
+
+gclean: 
+	git clean -fXd
+
+dclean:
+	rm -f $(DIA_PLT)
+	rm -f $(DIA_ANALYSIS)
+
+dialyzer_plt: $(DIA_PLT)
+
+$(DIA_PLT): 
+	@echo "Building $(APPLICATION) plt file"
+	@dialyzer --build_plt \
+                  --output_plt $@ \
+                  -r ../$(APPLICATION)/ebin \
+                  --output $(DIA_ANALYSIS) \
+                  --verbose
+
+dialyzer: $(DIA_PLT)
+	@echo "Running dialyzer on $(APPLICATION)"
+	@dialyzer --plt $< \
+                  ../$(APPLICATION)/ebin \
+                  --verbose
diff --git a/lib/tftp/doc/html/.gitignore b/lib/tftp/doc/html/.gitignore
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/lib/tftp/doc/html/.gitignore
diff --git a/lib/tftp/doc/man3/.gitignore b/lib/tftp/doc/man3/.gitignore
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/lib/tftp/doc/man3/.gitignore
diff --git a/lib/tftp/doc/man6/.gitignore b/lib/tftp/doc/man6/.gitignore
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/lib/tftp/doc/man6/.gitignore
diff --git a/lib/tftp/doc/pdf/.gitignore b/lib/tftp/doc/pdf/.gitignore
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/lib/tftp/doc/pdf/.gitignore
diff --git a/lib/tftp/doc/src/Makefile b/lib/tftp/doc/src/Makefile
new file mode 100644
index 0000000000..cd97bdf7ff
--- /dev/null
+++ b/lib/tftp/doc/src/Makefile
@@ -0,0 +1,153 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 1997-2018. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# %CopyrightEnd%
+#
+#
+include $(ERL_TOP)/make/target.mk
+include $(ERL_TOP)/make/$(TARGET)/otp.mk
+
+# ----------------------------------------------------
+# Application version
+# ----------------------------------------------------
+include ../../vsn.mk
+VSN=$(TFTP_VSN)
+
+# ----------------------------------------------------
+# Release directory specification
+# ----------------------------------------------------
+RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN)
+
+
+# ----------------------------------------------------
+# Target Specs
+# ----------------------------------------------------
+XML_APPLICATION_FILES = ref_man.xml
+
+XML_CHAPTER_FILES = \
+	introduction.xml \
+	notes.xml
+
+XML_REF3_FILES = \
+	tftp.xml
+
+XML_PART_FILES = \
+	part.xml
+
+BOOK_FILES = book.xml
+
+XML_FILES = \
+	$(BOOK_FILES)        \
+	$(XML_CHAPTER_FILES) \
+	$(XML_PART_FILES)    \
+	$(XML_REF6_FILES)    \
+	$(XML_REF3_FILES)    \
+	$(XML_APPLICATION_FILES)
+
+# GIF_FILES = tftp.gif
+
+
+# ----------------------------------------------------
+
+HTML_FILES = \
+	$(XML_APPLICATION_FILES:%.xml=$(HTMLDIR)/%.html) \
+	$(XML_PART_FILES:%.xml=$(HTMLDIR)/%.html)
+
+INFO_FILE = ../../info
+EXTRA_FILES = \
+	$(XML_REF3_FILES:%.xml=$(HTMLDIR)/%.html) \
+	$(XML_REF6_FILES:%.xml=$(HTMLDIR)/%.html) \
+	$(XML_CHAPTER_FILES:%.xml=$(HTMLDIR)/%.html)
+
+MAN3_FILES = $(XML_REF3_FILES:%.xml=$(MAN3DIR)/%.3)
+
+HTML_REF_MAN_FILE = $(HTMLDIR)/index.html
+
+TOP_PDF_FILE = $(PDFDIR)/$(APPLICATION)-$(VSN).pdf
+
+# ----------------------------------------------------
+# FLAGS
+# ----------------------------------------------------
+XML_FLAGS +=
+DVIPS_FLAGS +=
+
+# ----------------------------------------------------
+# Targets
+# ----------------------------------------------------
+$(HTMLDIR)/%.gif: %.gif
+	$(INSTALL_DATA) $< $@
+
+docs: pdf html man
+
+ldocs: local_docs
+
+$(TOP_PDF_FILE): $(XML_FILES)
+
+pdf: $(TOP_PDF_FILE)
+
+html: gifs $(HTML_REF_MAN_FILE)
+
+clean clean_docs: clean_html clean_man clean_pdf
+	rm -f errs core *~
+
+man: $(MAN3_FILES)
+
+gifs: $(GIF_FILES:%=$(HTMLDIR)/%)
+
+debug opt:
+
+clean_pdf:
+	rm -f $(TOP_PDF_FILE) $(TOP_PDF_FILE:%.pdf=%.fo)
+
+clean_html:
+	rm -rf $(TOP_HTML_FILES) $(HTMLDIR)/*
+
+clean_man:
+	rm -f $(MAN3_FILES)
+
+
+# ----------------------------------------------------
+# Release Target
+# ----------------------------------------------------
+include $(ERL_TOP)/make/otp_release_targets.mk
+
+release_docs_spec: docs
+	$(INSTALL_DIR) "$(RELSYSDIR)/doc/pdf"
+	$(INSTALL_DATA) $(TOP_PDF_FILE) "$(RELSYSDIR)/doc/pdf"
+	$(INSTALL_DIR) "$(RELSYSDIR)/doc/html"
+	$(INSTALL_DATA) $(HTMLDIR)/* "$(RELSYSDIR)/doc/html"
+	$(INSTALL_DATA) $(INFO_FILE) "$(RELSYSDIR)"
+	$(INSTALL_DIR) "$(RELEASE_PATH)/man/man3"
+	$(INSTALL_DATA) $(MAN3DIR)/* "$(RELEASE_PATH)/man/man3"
+
+release_spec:
+
+info:
+	@echo "GIF_FILES:\n$(GIF_FILES)"
+	@echo ""
+	@echo "EXTRA_FILES:\n$(EXTRA_FILES)"
+	@echo ""
+	@echo "HTML_FILES:\n$(HTML_FILES)"
+	@echo ""
+	@echo "TOP_HTML_FILES:\n$(TOP_HTML_FILES)"
+	@echo ""
+	@echo "XML_REF3_FILES:\n$(XML_REF3_FILES)"
+	@echo ""
+	@echo "XML_REF6_FILES:\n$(XML_REF6_FILES)"
+	@echo ""
+	@echo "XML_CHAPTER_FILES:\n$(XML_CHAPTER_FILES)"
+	@echo ""
diff --git a/lib/tftp/doc/src/book.xml b/lib/tftp/doc/src/book.xml
new file mode 100644
index 0000000000..cf8032a4e9
--- /dev/null
+++ b/lib/tftp/doc/src/book.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE book SYSTEM "book.dtd">
+
+<book xmlns:xi="http://www.w3.org/2001/XInclude">
+  <header titlestyle="normal">
+    <copyright>
+      <year>1997</year><year>2018</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      You may obtain a copy of the License at
+ 
+          http://www.apache.org/licenses/LICENSE-2.0
+
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+    
+    </legalnotice>
+
+    <title>TFTP</title>
+    <prepared>Péter Dimitrov</prepared>
+    <docno></docno>
+    <date>2018-03-22</date>
+    <rev>1.0</rev>
+    <file>book.sgml</file>
+  </header>
+  <insidecover>
+  </insidecover>
+  <pagetext>TFTP</pagetext>
+  <preamble>
+    <contents level="2"></contents>
+  </preamble>
+  <parts lift="no">
+    <xi:include href="part.xml"/>
+  </parts>
+  <applications>
+    <xi:include href="ref_man.xml"/>
+  </applications>
+  <releasenotes>
+    <xi:include href="notes.xml"/>
+  </releasenotes>
+  <listofterms></listofterms>
+  <index></index>
+</book>
diff --git a/lib/tftp/doc/src/introduction.xml b/lib/tftp/doc/src/introduction.xml
new file mode 100644
index 0000000000..949438ae92
--- /dev/null
+++ b/lib/tftp/doc/src/introduction.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE chapter SYSTEM "chapter.dtd">
+
+<chapter>
+  <header>
+    <copyright>
+      <year>1997</year><year>2018</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      The contents of this file are subject to the Erlang Public License,
+      Version 1.1, (the "License"); you may not use this file except in
+      compliance with the License. You should have received a copy of the
+      Erlang Public License along with this software. If not, it can be
+      retrieved online at http://www.erlang.org/.
+    
+      Software distributed under the License is distributed on an "AS IS"
+      basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+      the License for the specific language governing rights and limitations
+      under the License.
+    
+    </legalnotice>
+
+    <title>Introduction</title>
+    <prepared>Péter Dimitrov</prepared>
+    <responsible></responsible>
+    <docno></docno>
+    <approved></approved>
+    <checked></checked>
+    <date>2018-03-22</date>
+    <rev>A</rev>
+    <file>introduction.xml</file>
+  </header>
+
+  <section>
+    <title>Purpose</title>
+    <p>A <c>TFTP</c> client and server.</p>
+  </section>
+
+  <section>
+    <title>Prerequisites</title>
+    <p>It is assumed that the reader is familiar with the Erlang
+      programming language, concepts of OTP, and has a basic
+      understanding of the TFTP protocol.</p>
+  </section>
+</chapter>
diff --git a/lib/tftp/doc/src/notes.xml b/lib/tftp/doc/src/notes.xml
new file mode 100644
index 0000000000..f7525c8f3e
--- /dev/null
+++ b/lib/tftp/doc/src/notes.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE chapter SYSTEM "chapter.dtd">
+
+<chapter>
+  <header>
+    <copyright>
+      <year>2002</year><year>2018</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      You may obtain a copy of the License at
+ 
+          http://www.apache.org/licenses/LICENSE-2.0
+
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+      
+    </legalnotice>
+    
+    <title>TFTP Release Notes</title>
+    <prepared></prepared>
+    <responsible></responsible>
+    <docno></docno>
+    <approved></approved>
+    <checked></checked>
+    <date>2018-03-22</date>
+    <rev>A</rev>
+    <file>notes.xml</file>
+  </header>
+  
+  <section><title>TFTP 1.0.0</title>
+
+    <section><title>First released version</title>
+      <list>
+        <item>
+          <p>
+	    Inets application was split into multiple smaller protocol specific applications.
+	    The TFTP application is a standalone TFTP client and server with the same functionality as
+	    TFTP in Inets.</p>
+          <p>
+	    Own Id: OTP-14113</p>
+        </item>
+      </list>
+    </section>
+
+</section>
+
+</chapter>
diff --git a/lib/tftp/doc/src/part.xml b/lib/tftp/doc/src/part.xml
new file mode 100644
index 0000000000..abbe0edcbf
--- /dev/null
+++ b/lib/tftp/doc/src/part.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE part SYSTEM "part.dtd">
+
+<part xmlns:xi="http://www.w3.org/2001/XInclude">
+  <header>
+    <copyright>
+      <year>2004</year><year>2018</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      You may obtain a copy of the License at
+ 
+          http://www.apache.org/licenses/LICENSE-2.0
+
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+    
+    </legalnotice>
+
+    <title>TFTP User's Guide</title>
+    <prepared>Péter Dimitrov</prepared>
+    <docno></docno>
+    <date>2018-03-22</date>
+    <rev>A</rev>
+    <file>part.sgml</file>
+  </header>
+  <description>
+    <p>The <c>TFTP</c> application provides a TFTP client and server.</p>
+  </description>
+  <xi:include href="introduction.xml"/>
+</part>
diff --git a/lib/tftp/doc/src/ref_man.xml b/lib/tftp/doc/src/ref_man.xml
new file mode 100644
index 0000000000..41a6cc6d52
--- /dev/null
+++ b/lib/tftp/doc/src/ref_man.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE application SYSTEM "application.dtd">
+
+<application xmlns:xi="http://www.w3.org/2001/XInclude">
+  <header>
+    <copyright>
+      <year>1997</year><year>2018</year>
+      <holder>Ericsson AB. All Rights Reserved.</holder>
+    </copyright>
+    <legalnotice>
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      You may obtain a copy of the License at
+ 
+          http://www.apache.org/licenses/LICENSE-2.0
+
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+
+    </legalnotice>
+
+    <title>TFTP Reference Manual</title>
+    <prepared>Péter Dimitrov</prepared>
+    <docno></docno>
+    <date>2018-03-22</date>
+    <rev>1.0</rev>
+    <file>ref_man.xml</file>
+  </header>
+  <description>
+    <p>The <c>TFTP</c> application.</p>
+  </description>
+  <xi:include href="tftp.xml"/>
+</application>
diff --git a/lib/inets/doc/src/tftp.xml b/lib/tftp/doc/src/tftp.xml
index 10398f5088..c4d6a4e6d0 100644
--- a/lib/inets/doc/src/tftp.xml
+++ b/lib/tftp/doc/src/tftp.xml
@@ -4,7 +4,7 @@
 <erlref>
   <header>
     <copyright>
-      <year>2006</year><year>2015</year>
+      <year>2006</year><year>2018</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -64,21 +64,17 @@
  <section>
     <title>TFTP SERVER SERVICE START/STOP</title>
     
-    <p>A TFTP server can be configured to start statically when starting
-      the <c>Inets</c> application. Alternatively, it can be started dynamically
-      (when <c>Inets</c> is already started) by calling the <c>Inets</c> application 
-      API <c>inets:start(tftpd, ServiceConfig)</c> or
-      <c>inets:start(tftpd, ServiceConfig, How)</c>,
-      see <seealso marker="inets">inets(3)</seealso> for details.
+    <p>A TFTP server can be started dynamically
+      (when <c>tftp</c> is already started) by calling the <c>tftp</c> application 
+      API <c>tftp:start(ServiceConfig)</c>.
       The <c>ServiceConfig</c> for TFTP is described in
       the <seealso marker="#options">DATA TYPES</seealso>
       section.</p>
     
-    <p>The TFTP server can be stopped using <c>inets:stop(tftpd, Pid)</c>,
-      see <seealso marker="inets">inets(3)</seealso> for details.</p>
+    <p>The TFTP server can be stopped using <c>tftp:stop_service(Pid)</c>.</p>
 
     <p>The TPFT client is of such a temporary nature that it is not
-      handled as a service in the <c>Inets</c> service framework.</p>
+      handled as a service in the <c>tftp</c> service framework.</p>
     
   </section>
   
diff --git a/lib/tftp/ebin/.gitignore b/lib/tftp/ebin/.gitignore
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/lib/tftp/ebin/.gitignore
diff --git a/lib/tftp/info b/lib/tftp/info
new file mode 100644
index 0000000000..1220454351
--- /dev/null
+++ b/lib/tftp/info
@@ -0,0 +1,2 @@
+group: comm
+short: TFTP application
diff --git a/lib/inets/src/tftp/Makefile b/lib/tftp/src/Makefile
index 4eaa959cce..ed1551ba04 100644
--- a/lib/inets/src/tftp/Makefile
+++ b/lib/tftp/src/Makefile
@@ -20,30 +20,27 @@
 #
 
 include $(ERL_TOP)/make/target.mk
-EBIN = ../../ebin
 include $(ERL_TOP)/make/$(TARGET)/otp.mk
 
 # ----------------------------------------------------
 # Application version
 # ----------------------------------------------------
-include ../../vsn.mk
-
-VSN = $(INETS_VSN)
-
+include ../vsn.mk
+VSN = $(TFTP_VSN)
 
 # ----------------------------------------------------
 # Release directory specification
 # ----------------------------------------------------
 RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN)
 
-
 # ----------------------------------------------------
 # Target Specs
 # ----------------------------------------------------
-BEHAVIOUR_MODULES= \
-	tftp
+BEHAVIOUR_MODULES=
 
 MODULES = \
+	tftp \
+	tftp_app \
 	tftp_binary \
 	tftp_engine \
 	tftp_file \
@@ -61,18 +58,18 @@ TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
 
 BEHAVIOUR_TARGET_FILES= $(BEHAVIOUR_MODULES:%=$(EBIN)/%.$(EMULATOR))
 
+APP_FILE= tftp.app
+APPUP_FILE= tftp.appup
+
+APP_SRC= $(APP_FILE).src
+APP_TARGET= $(EBIN)/$(APP_FILE)
+APPUP_SRC= $(APPUP_FILE).src
+APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
+
 # ----------------------------------------------------
 # FLAGS
 # ----------------------------------------------------
 
-include ../inets_app/inets.mk
-
-ERL_COMPILE_FLAGS += \
-	$(INETS_FLAGS) \
-        $(INETS_ERL_COMPILE_FLAGS) \
-	-I../../include \
-	-I../inets_app
-
 
 # ----------------------------------------------------
 # Targets
@@ -80,12 +77,18 @@ ERL_COMPILE_FLAGS += \
 
 $(TARGET_FILES): $(BEHAVIOUR_TARGET_FILES)
 
-debug opt: $(TARGET_FILES)
+debug opt: $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET)
 
 clean:
-	rm -f $(TARGET_FILES) $(BEHAVIOUR_TARGET_FILES)
+	rm -f $(TARGET_FILES) $(APP_TARGET) $(APPUP_TARGET) $(BEHAVIOUR_TARGET_FILES)
 	rm -f core
 
+$(APP_TARGET): $(APP_SRC) ../vsn.mk
+	$(vsn_verbose)sed -e 's;%VSN%;$(VSN);' $< > $@
+
+$(APPUP_TARGET): $(APPUP_SRC) ../vsn.mk
+	$(vsn_verbose)sed -e 's;%VSN%;$(VSN);' $< > $@
+
 docs:
 
 # ----------------------------------------------------
@@ -94,16 +97,14 @@ docs:
 include $(ERL_TOP)/make/otp_release_targets.mk
 
 release_spec: opt
-	$(INSTALL_DIR)  "$(RELSYSDIR)/src"
-	$(INSTALL_DIR)  "$(RELSYSDIR)/src/tftp"
-	$(INSTALL_DATA) $(HRL_FILES) $(ERL_FILES) "$(RELSYSDIR)/src/tftp"
-	$(INSTALL_DIR)  "$(RELSYSDIR)/ebin"
-	$(INSTALL_DATA) $(TARGET_FILES) $(BEHAVIOUR_TARGET_FILES) "$(RELSYSDIR)/ebin"
+	$(INSTALL_DIR) "$(RELSYSDIR)/src"
+	$(INSTALL_DATA) $(ERL_FILES) $(HRL_FILES) "$(RELSYSDIR)/src"
+	$(INSTALL_DIR) "$(RELSYSDIR)/ebin"
+	$(INSTALL_DATA) $(BEHAVIOUR_TARGET_FILES) $(TARGET_FILES) $(APP_TARGET) \
+	$(APPUP_TARGET) "$(RELSYSDIR)/ebin"
 
 release_docs_spec:
 
 info:
 	@echo "APPLICATION       = $(APPLICATION)"
-	@echo "INETS_DEBUG       = $(INETS_DEBUG)"
-	@echo "INETS_FLAGS       = $(INETS_FLAGS)"
 	@echo "ERL_COMPILE_FLAGS = $(ERL_COMPILE_FLAGS)"
diff --git a/lib/tftp/src/tftp.app.src b/lib/tftp/src/tftp.app.src
new file mode 100644
index 0000000000..3f008573e8
--- /dev/null
+++ b/lib/tftp/src/tftp.app.src
@@ -0,0 +1,22 @@
+{application, tftp,
+ [{description, "TFTP application"},
+  {vsn, "1.0.0"},
+  {registered, []},
+  {mod, { tftp_app, []}},
+  {applications,
+   [kernel,
+    stdlib
+   ]},
+  {env,[]},
+  {modules, [
+             tftp,
+             tftp_app,
+             tftp_binary,
+             tftp_engine,
+             tftp_file,
+             tftp_lib,
+             tftp_logger,
+             tftp_sup
+            ]},
+  {runtime_dependencies, ["stdlib-3.5","kernel-6.0"]}
+ ]}.
diff --git a/lib/tftp/src/tftp.appup.src b/lib/tftp/src/tftp.appup.src
new file mode 100644
index 0000000000..06a0f0f9dc
--- /dev/null
+++ b/lib/tftp/src/tftp.appup.src
@@ -0,0 +1,26 @@
+%% -*- erlang -*-
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+{"%VSN%",
+ [
+  {<<".*">>,[{restart_application, tftp}]}
+ ],
+ [
+  {<<".*">>,[{restart_application, tftp}]}
+ ]
+}.
diff --git a/lib/inets/src/tftp/tftp.erl b/lib/tftp/src/tftp.erl
index c8804ea55f..27ed13694b 100644
--- a/lib/inets/src/tftp/tftp.erl
+++ b/lib/tftp/src/tftp.erl
@@ -213,7 +213,8 @@
 	 start/1,
 	 info/1,
 	 change_config/2,
-	 start/0
+	 start/0,
+         stop/0
 	]).
 
 %% Application local functions
@@ -373,7 +374,17 @@ change_config(Pid, Options) ->
 %%-------------------------------------------------------------------
 
 start() ->
-    application:start(inets).
+    application:start(tftp).
+
+%%-------------------------------------------------------------------
+%% stop() -> ok | {error, Reason}
+%% 
+%% Reason = term()
+%%
+%% Stop the application
+%%-------------------------------------------------------------------
+stop() ->
+    application:stop(tftp).
 
 %%-------------------------------------------------------------------
 %% Inets service behavior
diff --git a/lib/inets/src/tftp/tftp.hrl b/lib/tftp/src/tftp.hrl
index 25543e0b9e..25543e0b9e 100644
--- a/lib/inets/src/tftp/tftp.hrl
+++ b/lib/tftp/src/tftp.hrl
diff --git a/lib/tftp/src/tftp_app.erl b/lib/tftp/src/tftp_app.erl
new file mode 100644
index 0000000000..bbcd107e30
--- /dev/null
+++ b/lib/tftp/src/tftp_app.erl
@@ -0,0 +1,47 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2002-2018. All Rights Reserved.
+%% 
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%% 
+%% %CopyrightEnd%
+%%
+%%
+
+%%%-------------------------------------------------------------------
+%% @doc ftp public API
+%% @end
+%%%-------------------------------------------------------------------
+
+-module(tftp_app).
+
+-behaviour(application).
+
+%% Application callbacks
+-export([start/2, stop/1]).
+
+%%====================================================================
+%% API
+%%====================================================================
+
+start(_StartType, _StartArgs) ->
+    tftp_sup:start_link([]).
+
+%%--------------------------------------------------------------------
+stop(_State) ->
+    ok.
+
+%%====================================================================
+%% Internal functions
+%%====================================================================
diff --git a/lib/inets/src/tftp/tftp_binary.erl b/lib/tftp/src/tftp_binary.erl
index 09adcfc41f..09adcfc41f 100644
--- a/lib/inets/src/tftp/tftp_binary.erl
+++ b/lib/tftp/src/tftp_binary.erl
diff --git a/lib/inets/src/tftp/tftp_engine.erl b/lib/tftp/src/tftp_engine.erl
index fb2c9749e5..fb2c9749e5 100644
--- a/lib/inets/src/tftp/tftp_engine.erl
+++ b/lib/tftp/src/tftp_engine.erl
diff --git a/lib/inets/src/tftp/tftp_file.erl b/lib/tftp/src/tftp_file.erl
index 7664324808..7664324808 100644
--- a/lib/inets/src/tftp/tftp_file.erl
+++ b/lib/tftp/src/tftp_file.erl
diff --git a/lib/inets/src/tftp/tftp_lib.erl b/lib/tftp/src/tftp_lib.erl
index 454754f0a3..454754f0a3 100644
--- a/lib/inets/src/tftp/tftp_lib.erl
+++ b/lib/tftp/src/tftp_lib.erl
diff --git a/lib/inets/src/tftp/tftp_logger.erl b/lib/tftp/src/tftp_logger.erl
index a869958484..a869958484 100644
--- a/lib/inets/src/tftp/tftp_logger.erl
+++ b/lib/tftp/src/tftp_logger.erl
diff --git a/lib/inets/src/tftp/tftp_sup.erl b/lib/tftp/src/tftp_sup.erl
index 40b67c499c..0475e53e42 100644
--- a/lib/inets/src/tftp/tftp_sup.erl
+++ b/lib/tftp/src/tftp_sup.erl
@@ -19,7 +19,7 @@
 %%
 %%
 %%----------------------------------------------------------------------
-%% Purpose: The top supervisor for tftp hangs under inets_sup.
+%% Purpose: The top supervisor for tftp
 %%----------------------------------------------------------------------
 
 -module(tftp_sup).
diff --git a/lib/tftp/test/Makefile b/lib/tftp/test/Makefile
new file mode 100644
index 0000000000..99f36256b0
--- /dev/null
+++ b/lib/tftp/test/Makefile
@@ -0,0 +1,250 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 1997-2018. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# %CopyrightEnd%
+#
+#
+# For an outline of how this all_SUITE_data stuff works, see the
+# make file ../../ssl/test/Makefile.
+#
+include $(ERL_TOP)/make/target.mk
+include $(ERL_TOP)/make/$(TARGET)/otp.mk
+
+# ----------------------------------------------------
+# Application version
+# ----------------------------------------------------
+include ../vsn.mk
+VSN = $(TFTP_VSN)
+
+
+# ----------------------------------------------------
+# Release directory specification
+# ----------------------------------------------------
+RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN)
+
+
+# ----------------------------------------------------
+# Target Specs
+# ----------------------------------------------------
+INCLUDES = -I. \
+	-I$(ERL_TOP)/lib/tftp/src
+
+CP = cp
+
+ifeq ($(TESTROOT_DIR),)
+TESTROOT_DIR = /ldisk/tests/$(USER)/tftp
+endif
+
+ifeq ($(TFTP_DATA_DIR),)
+TFTP_DATA_DIR = $(TESTROOT_DIR)/data_dir
+endif
+
+ifeq ($(TFTP_PRIV_DIR),)
+TFTP_PRIV_DIR = $(TESTROOT_DIR)/priv_dir
+endif
+
+TFTP_FLAGS = -Dtftp__data_dir='"$(TFTP_DATA_DIR)"'       \
+              -Dtftp_priv_dir='"$(TFTP_PRIV_DIR)"'
+
+
+### 
+### test suite debug flags
+### 
+ifeq ($(TFTP_DEBUG_CLIENT),)
+  TFTP_DEBUG_CLIENT = y
+endif
+
+ifeq ($(TFTP_DEBUG_CLIENT),)
+  TFTP_FLAGS += -Dtftp_debug_client
+endif
+
+ifeq ($(TFTP_TRACE_CLIENT),)
+  TFTP_DEBUG_CLIENT = y
+endif
+
+ifeq ($(TFTP_TRACE_CLIENT),y)
+  TFTP_FLAGS += -Dtftp_trace_client
+endif
+
+ifneq ($(TFTP_DEBUG),)
+  TFTP_DEBUG = s
+endif
+
+ifeq ($(TFTP_DEBUG),l)
+  TFTP_FLAGS += -Dtftp_log
+endif
+
+ifeq ($(TFTP_DEBUG),d)
+  TFTP_FLAGS += -Dtftp_debug -Dtftp_log
+endif
+
+
+TFTP_FLAGS += -pa ../tftp/ebin
+
+TFTP_ROOT = ../tftp
+
+MODULES =                 		\
+	tftp_SUITE 	  		\
+	tftp_test_lib
+
+
+EBIN = .
+
+HRL_FILES = \
+	../src/tftp.hrl \
+	tftp_test_lib.hrl
+
+ERL_FILES = $(MODULES:%=%.erl)
+
+SOURCE = $(ERL_FILES) $(HRL_FILES) 
+
+TARGET_FILES = $(MODULES:%=$(EBIN)/%.$(EMULATOR))
+
+TFTP_SPECS = tftp.spec tftp_bench.spec
+COVER_FILE = tftp.cover
+TFTP_FILES = tftp.config $(TFTP_SPECS)
+
+
+TFTP_DATADIRS   = tftp_SUITE_data  
+
+DATADIRS     = $(TFTP_DATADIRS)
+
+EMAKEFILE  = Emakefile
+MAKE_EMAKE = $(wildcard $(ERL_TOP)/make/make_emakefile)
+
+ifeq ($(MAKE_EMAKE),)
+BUILDTARGET   = $(TARGET_FILES)
+RELTEST_FILES = $(COVER_FILE) $(TFTP_SPECS) $(SOURCE)
+else
+BUILDTARGET   = emakebuild
+RELTEST_FILES = $(EMAKEFILE) $(COVER_FILE) $(TFTP_SPECS) $(SOURCE)
+endif
+
+
+# ----------------------------------------------------
+# Release directory specification
+# ----------------------------------------------------
+
+RELTESTSYSDIR        = "$(RELEASE_PATH)/tftp_test"
+RELTESTSYSALLDATADIR = $(RELTESTSYSDIR)/all_SUITE_data
+RELTESTSYSBINDIR     = $(RELTESTSYSALLDATADIR)/bin
+
+
+# ----------------------------------------------------
+# FLAGS
+# The path to the test_server ebin dir is needed when 
+# running the target "targets".
+# ----------------------------------------------------
+ERL_COMPILE_FLAGS += \
+	$(INCLUDES) \
+	$(TFTP_FLAGS)
+
+# ----------------------------------------------------
+# Targets
+# erl -sname kalle -pa ../ebin
+# If you intend to run the test suite locally (private), then
+# there is some requirements:
+# 1) TFTP_PRIV_DIR must be created
+# ----------------------------------------------------
+
+tests debug opt: $(BUILDTARGET) 
+
+targets: $(TARGET_FILES)
+
+.PHONY: emakebuild
+
+emakebuild: $(EMAKEFILE)
+
+$(EMAKEFILE): 
+	$(MAKE_EMAKE) $(ERL_COMPILE_FLAGS) -o$(EBIN) '*_SUITE_make' | grep -v Warning > $(EMAKEFILE)
+	$(MAKE_EMAKE) $(ERL_COMPILE_FLAGS) -o$(EBIN) $(MODULES) | grep -v Warning >> $(EMAKEFILE)
+
+clean:
+	rm -f $(EMAKEFILE)
+	rm -f $(TARGET_FILES)
+	rm -f core *~
+
+docs:
+
+
+# ----------------------------------------------------
+# Release Target
+# ---------------------------------------------------- 
+include $(ERL_TOP)/make/otp_release_targets.mk
+
+release_spec: opt
+	$(INSTALL_DIR)  "$(RELSYSDIR)/test"
+	$(INSTALL_DATA) $(HRL_FILES)   $(ERL_FILES) "$(RELSYSDIR)/test"
+	$(INSTALL_DATA) $(TFTP_FILES) "$(RELSYSDIR)/test"
+	@for d in $(DATADIRS); do \
+            echo "installing data dir $$d"; \
+            if test -f $$d/TAR.exclude; then \
+                echo $$d/TAR.exclude2 > $$d/TAR.exclude2; \
+                cat $$d/TAR.exclude >> $$d/TAR.exclude2; \
+                find $$d -name '*.contrib*'     >> $$d/TAR.exclude2; \
+                find $$d -name '*.keep*'        >> $$d/TAR.exclude2; \
+                find $$d -name '*.mkelem*'      >> $$d/TAR.exclude2; \
+                find $$d -name '*~'             >> $$d/TAR.exclude2; \
+                find $$d -name 'erl_crash.dump' >> $$d/TAR.exclude2; \
+                find $$d -name 'core'           >> $$d/TAR.exclude2; \
+                find $$d -name '.cmake.state'   >> $$d/TAR.exclude2; \
+                tar cfX - $$d/TAR.exclude2 $$d | (cd "$(RELSYSDIR)/test"; tar xf -); \
+            else \
+                tar cf - $$d | (cd "$(RELSYSDIR)/test"; tar xf -); \
+            fi; \
+        done
+
+release_tests_spec: opt
+	$(INSTALL_DIR) $(RELTESTSYSDIR)
+	$(INSTALL_DATA) $(RELTEST_FILES) $(RELTESTSYSDIR)
+	chmod -R u+w $(RELTESTSYSDIR)
+	tar chf - $(DATADIRS) | (cd $(RELTESTSYSDIR); tar xf -)
+	$(INSTALL_DIR) $(RELTESTSYSALLDATADIR)
+	$(INSTALL_DIR) $(RELTESTSYSBINDIR)
+	chmod -R +x $(RELTESTSYSBINDIR)
+	$(INSTALL_DIR) $(RELTESTSYSALLDATADIR)/win32/lib	
+
+release_docs_spec:
+
+info:
+	@echo "MAKE_EMAKE        = $(MAKE_EMAKE)"
+	@echo "EMAKEFILE         = $(EMAKEFILE)"
+	@echo "BUILDTARGET       = $(BUILDTARGET)"
+	@echo ""
+	@echo "MODULES           = $(MODULES)"
+	@echo "ERL_FILES         = $(ERL_FILES)"
+	@echo "SOURCE            = $(SOURCE)"
+	@echo "TARGET_FILES      = $(TARGET_FILES)"
+	@echo ""
+	@echo "TFTP_SPECS       = $(TFTP_SPECS)"
+	@echo "TFTP_FILES       = $(TFTP_FILES)"
+	@echo ""
+	@echo "RELEASE_PATH      = "$(RELEASE_PATH)""
+	@echo "RELSYSDIR         = "$(RELSYSDIR)""
+	@echo "RELTESTSYSDIR     = $(RELTESTSYSDIR)"
+	@echo "RELTESTSYSALLDATADIR = $(RELTESTSYSALLDATADIR)"
+	@echo "RELTESTSYSBINDIR     = $(RELTESTSYSBINDIR)"
+	@echo ""
+	@echo "DATADIRS          = $(DATADIRS)"
+	@echo "REL_DATADIRS      = $(REL_DATADIRS)"
+	@echo ""
+	@echo "TFTP_DATA_DIR    = $(TFTP_DATA_DIR)"
+	@echo "TFTP_PRIV_DIR    = $(TFTP_PRIV_DIR)"
+	@echo "TFTP_ROOT        = $(TFTP_ROOT)"
+	@echo "TFTP_FLAGS       = $(TFTP_FLAGS)"
+
+
diff --git a/lib/tftp/test/tftp.config b/lib/tftp/test/tftp.config
new file mode 100644
index 0000000000..2600237da9
--- /dev/null
+++ b/lib/tftp/test/tftp.config
@@ -0,0 +1 @@
+[].
\ No newline at end of file
diff --git a/lib/tftp/test/tftp.cover b/lib/tftp/test/tftp.cover
new file mode 100644
index 0000000000..22ef5d0dda
--- /dev/null
+++ b/lib/tftp/test/tftp.cover
@@ -0,0 +1,2 @@
+{incl_app,tftp,details}.
+
diff --git a/lib/tftp/test/tftp.spec b/lib/tftp/test/tftp.spec
new file mode 100644
index 0000000000..f3537bc652
--- /dev/null
+++ b/lib/tftp/test/tftp.spec
@@ -0,0 +1 @@
+{suites,"../tftp_test", all}.
diff --git a/lib/inets/test/tftp_SUITE.erl b/lib/tftp/test/tftp_SUITE.erl
index 09049e36af..a43fd51153 100644
--- a/lib/inets/test/tftp_SUITE.erl
+++ b/lib/tftp/test/tftp_SUITE.erl
@@ -28,19 +28,19 @@
 
 -include("tftp_test_lib.hrl").
 
--define(START_DAEMON(PortX, OptionsX),
-        fun(Port, Options) ->
-                {ok, Pid} = ?VERIFY({ok, _Pid}, tftp:start([{port, Port} | Options])),
-                if
-                    Port == 0 ->
-                        {ok, ActualOptions} = ?IGNORE(tftp:info(Pid)),
-                        {value, {port, ActualPort}} =
-                            lists:keysearch(port, 1, ActualOptions),
-                        {ActualPort, Pid};
-                    true ->
-                        {Port, Pid}
-                end
-        end(PortX, OptionsX)).
+-define(START_DAEMON(Port, Options),
+        begin
+            {ok, Pid} = ?VERIFY({ok, _Pid}, tftp:start([{port, Port} | Options])),
+            if
+                Port == 0 ->
+                    {ok, ActualOptions} = ?IGNORE(tftp:info(Pid)),
+                    {value, {port, ActualPort}} =
+                        lists:keysearch(port, 1, ActualOptions),
+                    {ActualPort, Pid};
+                true ->
+                    {Port, Pid}
+            end
+        end).
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% API
@@ -103,7 +103,7 @@ simple(doc) ->
 simple(suite) ->
     [];
 simple(Config) when is_list(Config) ->
-    ?VERIFY(ok, application:start(inets)),
+    ?VERIFY(ok, application:start(tftp)),
 
     {Port, DaemonPid} = ?IGNORE(?START_DAEMON(0, [{debug, brief}])),
 
@@ -128,7 +128,7 @@ simple(Config) when is_list(Config) ->
     exit(DaemonPid, kill),
     ?VERIFY(ok, file:delete(LocalFilename)),
     ?VERIFY(ok, file:delete(RemoteFilename)),
-    ?VERIFY(ok, application:stop(inets)),
+    ?VERIFY(ok, application:stop(tftp)),
     ok.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -910,7 +910,7 @@ large_file(doc) ->
 large_file(suite) ->
     [];
 large_file(Config) when is_list(Config) ->
-    ?VERIFY(ok, application:start(inets)),
+    ?VERIFY(ok, application:start(tftp)),
 
     {Port, DaemonPid} = ?IGNORE(?START_DAEMON(0, [{debug, brief}])),
 
@@ -933,7 +933,7 @@ large_file(Config) when is_list(Config) ->
     exit(DaemonPid, kill),
     ?VERIFY(ok, file:delete(LocalFilename)),
     ?VERIFY(ok, file:delete(RemoteFilename)),
-    ?VERIFY(ok, application:stop(inets)),
+    ?VERIFY(ok, application:stop(tftp)),
     ok.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/tftp/test/tftp_bench.spec b/lib/tftp/test/tftp_bench.spec
new file mode 100644
index 0000000000..43fa385c85
--- /dev/null
+++ b/lib/tftp/test/tftp_bench.spec
@@ -0,0 +1 @@
+{suites,"../tftp_test",[]}.
diff --git a/lib/inets/test/tftp_test_lib.erl b/lib/tftp/test/tftp_test_lib.erl
index f07795324f..45386389cb 100644
--- a/lib/inets/test/tftp_test_lib.erl
+++ b/lib/tftp/test/tftp_test_lib.erl
@@ -30,11 +30,11 @@
 
 init_per_testcase(_Case, Config) when is_list(Config) ->
     io:format("\n ", []),
-    ?IGNORE(application:stop(inets)),   
+    ?IGNORE(application:stop(tftp)),   
     Config.
 
 end_per_testcase(_Case, Config) when is_list(Config) ->
-    ?IGNORE(application:stop(inets)),   
+    ?IGNORE(application:stop(tftp)),   
     Config.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/inets/test/tftp_test_lib.hrl b/lib/tftp/test/tftp_test_lib.hrl
index e7a5a37d2c..e7a5a37d2c 100644
--- a/lib/inets/test/tftp_test_lib.hrl
+++ b/lib/tftp/test/tftp_test_lib.hrl
diff --git a/lib/tftp/vsn.mk b/lib/tftp/vsn.mk
new file mode 100644
index 0000000000..c4a6e749e7
--- /dev/null
+++ b/lib/tftp/vsn.mk
@@ -0,0 +1,24 @@
+#-*-makefile-*-   ; force emacs to enter makefile-mode
+
+# %CopyrightBegin%
+# 
+# Copyright Ericsson AB 2001-2018. All Rights Reserved.
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# 
+# %CopyrightEnd%
+
+APPLICATION = tftp
+TFTP_VSN   = 1.0.0
+PRE_VSN     =
+APP_VSN     = "$(APPLICATION)-$(TFTP_VSN)$(PRE_VSN)"
diff --git a/scripts/run-dialyzer b/scripts/run-dialyzer
index 54dc64b035..c9da647952 100755
--- a/scripts/run-dialyzer
+++ b/scripts/run-dialyzer
@@ -2,9 +2,9 @@
 
 set -e
 
-$ERL_TOP/bin/dialyzer --build_plt --apps asn1 compiler crypto dialyzer edoc erts et ftp hipe inets kernel mnesia observer public_key runtime_tools snmp ssh ssl stdlib syntax_tools wx xmerl --statistics
-$ERL_TOP/bin/dialyzer -n -Wunknown -Wunmatched_returns --apps compiler erts ftp kernel stdlib asn1 crypto dialyzer hipe parsetools public_key runtime_tools sasl tools --statistics
-$ERL_TOP/bin/dialyzer -n --apps common_test debugger edoc ftp inets mnesia observer ssh ssl syntax_tools wx xmerl --statistics
+$ERL_TOP/bin/dialyzer --build_plt --apps asn1 compiler crypto dialyzer edoc erts et ftp hipe inets kernel mnesia observer public_key runtime_tools snmp ssh ssl stdlib syntax_tools tftp wx xmerl --statistics
+$ERL_TOP/bin/dialyzer -n -Wunknown -Wunmatched_returns --apps compiler erts ftp tftp kernel stdlib asn1 crypto dialyzer hipe parsetools public_key runtime_tools sasl tools --statistics
+$ERL_TOP/bin/dialyzer -n --apps common_test debugger edoc ftp inets mnesia observer ssh ssl syntax_tools tftp wx xmerl --statistics
 
 # In travis we don't dialyze everything as it takes too much time
 if [ "X$DIALYZE_ALL_APPLICATIONS" = "Xtrue" ]; then