aboutsummaryrefslogblamecommitdiffstats
path: root/lib/ssh/test/ssh_sftpd_SUITE.erl
blob: 6e4480ee9de58b26cb391332014a121f779a8787 (plain) (tree)
1
2
3
4
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944


                   
                                                        




















                                                                         
                                           




























                                                                       

                                  






                                                                          
                   
            
                                            
        






                                                                      
                        



                                                                 
               


















                                                                       

                                                     

                                                                 
                 
                                                              
                                                          

                                                                          

                                         
                                                         



                                                                  


                                                                    
    














































                                                                         













                                                           
 



















































































































































































































































































































































































                                                                                 
                                                




































































































































































































































































































































































































                                                                               
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2006-2012. All Rights Reserved.
%%
%% 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.
%%
%% %CopyrightEnd%
%%

%%
-module(ssh_sftpd_SUITE).

%% Note: This directive should only be used in test suites.
-compile(export_all).

-include_lib("common_test/include/ct.hrl").
-include("test_server_line.hrl").
-include("ssh_xfer.hrl").
-include("ssh.hrl").

-include_lib("kernel/include/file.hrl").

-define(SFPD_PORT, 9999).
-define(USER, "Alladin").
-define(PASSWD, "Sesame").
-define(XFER_PACKET_SIZE, 32768).
-define(XFER_WINDOW_SIZE, 4*?XFER_PACKET_SIZE).
-define(TIMEOUT, 10000).
-define(REG_ATTERS, <<0,0,0,0,1>>).
-define(UNIX_EPOCH,  62167219200).

-define(is_set(F, Bits),
	((F) band (Bits)) == (F)).

%% Test server callback functions
%%--------------------------------------------------------------------
%% Function: init_per_suite(Config) -> Config
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%% Description: Initiation before the whole suite
%%
%% Note: This function is free to add any key/value pairs to the Config
%% variable, but should NOT alter/remove any existing entries.
%%--------------------------------------------------------------------
init_per_suite(Config) ->
    case (catch crypto:start()) of
	ok ->
	    DataDir = ?config(data_dir, Config),	    
	    PrivDir = ?config(priv_dir, Config),
	    ssh_test_lib:setup_dsa(DataDir, PrivDir),
	    %% to make sure we don't use public-key-auth
	    %% this should be tested by other test suites
	    UserDir = filename:join(?config(priv_dir, Config), nopubkey), 
	    file:make_dir(UserDir),  
	    Config;
	_ ->
	    {skip,"Could not start crypto!"}
    end.

%%--------------------------------------------------------------------
%% Function: end_per_suite(Config) -> _
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%% Description: Cleanup after the whole suite
%%--------------------------------------------------------------------
end_per_suite(Config) ->
    SysDir = ?config(priv_dir, Config),
    ssh_test_lib:clean_dsa(SysDir),
    UserDir = filename:join(?config(priv_dir, Config), nopubkey),
    file:del_dir(UserDir),
    ssh:stop(),
    crypto:stop(),
    ok.

%%--------------------------------------------------------------------
%% Function: init_per_testcase(TestCase, Config) -> Config
%% Case - atom()
%%   Name of the test case that is about to be run.
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%%
%% Description: Initiation before each test case
%%
%% Note: This function is free to add any key/value pairs to the Config
%% variable, but should NOT alter/remove any existing entries.
%% Description: Initiation before each test case
%%--------------------------------------------------------------------
init_per_testcase(TestCase, Config) ->
    ssh:start(),
    prep(Config),
    PrivDir = ?config(priv_dir, Config),
    ClientUserDir = filename:join(PrivDir, nopubkey),
    SystemDir = filename:join(?config(priv_dir, Config), system),

    {ok, Sftpd} =
	ssh_sftpd:listen(?SFPD_PORT, [{system_dir, SystemDir},
				      {user_dir, PrivDir},
				      {user_passwords,[{?USER, ?PASSWD}]},
				      {pwdfun, fun(_,_) -> true end}]),
    
    Cm = ssh_test_lib:connect(?SFPD_PORT,
			      [{user_dir, ClientUserDir},
			       {user, ?USER}, {password, ?PASSWD},
			       {user_interaction, false},
			       {silently_accept_hosts, true},
			       {pwdfun, fun(_,_) -> true end}]),
    {ok, Channel} =
	ssh_connection:session_channel(Cm, ?XFER_WINDOW_SIZE,
				       ?XFER_PACKET_SIZE, ?TIMEOUT),
    
    success = ssh_connection:subsystem(Cm, Channel, "sftp", ?TIMEOUT),

    ProtocolVer = case atom_to_list(TestCase) of
		      "ver3_" ++ _ ->
			  3;
		      _ ->
			  ?SSH_SFTP_PROTOCOL_VERSION
		  end,

    Data = <<?UINT32(ProtocolVer)>> ,

    Size = 1 + size(Data),

    ssh_connection:send(Cm, Channel, << ?UINT32(Size),
				      ?SSH_FXP_INIT, Data/binary >>),

    {ok, <<?SSH_FXP_VERSION, ?UINT32(Version), _Ext/binary>>, _}
	= reply(Cm, Channel),

    test_server:format("Client: ~p Server ~p~n", [ProtocolVer, Version]),

    [{sftp, {Cm, Channel}}, {sftpd, Sftpd }| Config].

%%--------------------------------------------------------------------
%% Function: end_per_testcase(TestCase, Config) -> _
%% Case - atom()
%%   Name of the test case that is about to be run.
%% Config - [tuple()]
%%   A list of key/value pairs, holding the test case configuration.
%% Description: Cleanup after each test case
%%--------------------------------------------------------------------
end_per_testcase(_TestCase, Config) ->
    ssh_sftpd:stop(?config(sftpd, Config)),
    {Cm, Channel} = ?config(sftp, Config),
    ssh_connection:close(Cm, Channel),
    ssh:close(Cm),
    ssh:stop(),
    ok.

%%--------------------------------------------------------------------
%% Function: all(Clause) -> TestCases
%% Clause - atom() - suite | doc
%% TestCases - [Case]
%% Case - atom()
%%   Name of a test case.
%% Description: Returns a list of all test cases in this test suite
%%--------------------------------------------------------------------
all() -> 
    [open_close_file, open_close_dir, read_file, read_dir,
     write_file, rename_file, mk_rm_dir, remove_file,
     real_path, retrieve_attributes, set_attributes, links,
     ver3_rename_OTP_6352, seq10670, sshd_read_file].

groups() -> 
    [].

init_per_group(_GroupName, Config) ->
	Config.

end_per_group(_GroupName, Config) ->
	Config.


%% Test cases starts here.
%%--------------------------------------------------------------------
open_close_file(doc) ->
    ["Test SSH_FXP_OPEN and SSH_FXP_CLOSE commands"];
open_close_file(suite) ->
    [];
open_close_file(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),
    {Cm, Channel} = ?config(sftp, Config),
    ReqId = 0,

    {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), Handle/binary>>, _} =
	open_file(FileName, Cm, Channel, ReqId,
		  ?ACE4_READ_DATA  bor ?ACE4_READ_ATTRIBUTES,
		  ?SSH_FXF_OPEN_EXISTING),

    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	  ?UINT32(?SSH_FX_OK), _/binary>>, _} = close(Handle, ReqId,
						      Cm, Channel),
    NewReqId = ReqId + 1,
    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	  ?UINT32(?SSH_FX_INVALID_HANDLE), _/binary>>, _} =
	close(Handle, ReqId, Cm, Channel),

    NewReqId1 = NewReqId + 1,
    %%  {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId),  % Ver 6 we have 5
    %% 	   ?UINT32(?SSH_FX_FILE_IS_A_DIRECTORY), _/binary>>, _} =
    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId1),
	  ?UINT32(?SSH_FX_FAILURE), _/binary>>, _} =
	open_file(PrivDir, Cm, Channel, NewReqId1,
		  ?ACE4_READ_DATA  bor ?ACE4_READ_ATTRIBUTES,
		  ?SSH_FXF_OPEN_EXISTING),

    ok.

%%--------------------------------------------------------------------
open_close_dir(doc) ->
    ["Test SSH_FXP_OPENDIR and SSH_FXP_CLOSE commands"];
open_close_dir(suite) ->
    [];
open_close_dir(Config) when is_list(Config) ->
    PrivDir = ?config(priv_dir, Config),
    {Cm, Channel} = ?config(sftp, Config),
    FileName = filename:join(PrivDir, "test.txt"),
    ReqId = 0,

    {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), Handle/binary>>, _} =
	open_dir(PrivDir, Cm, Channel, ReqId),

    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	  ?UINT32(?SSH_FX_OK), _/binary>>, _} = close(Handle, ReqId,
						      Cm, Channel),

    NewReqId = 1,
    case open_dir(FileName, Cm, Channel, NewReqId) of
	{ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId),
	      ?UINT32(?SSH_FX_NOT_A_DIRECTORY), _/binary>>, _} ->
	    %% Only if server is using vsn > 5.
	    ok;
	{ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId),
	      ?UINT32(?SSH_FX_FAILURE), _/binary>>, _} ->
	    ok
    end.

%%--------------------------------------------------------------------
read_file(doc) ->
    ["Test SSH_FXP_READ command"];
read_file(suite) ->
    [];
read_file(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),

    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), Handle/binary>>, _} =
	open_file(FileName, Cm, Channel, ReqId,
		  ?ACE4_READ_DATA  bor ?ACE4_READ_ATTRIBUTES,
		  ?SSH_FXF_OPEN_EXISTING),

    NewReqId = 1,

    {ok, <<?SSH_FXP_DATA, ?UINT32(NewReqId), ?UINT32(_Length),
	  Data/binary>>, _} =
	read_file(Handle, 100, 0, Cm, Channel, NewReqId),

    {ok, Data} = file:read_file(FileName),

    ok.
%%--------------------------------------------------------------------
read_dir(doc) ->
    ["Test SSH_FXP_READDIR command"];
read_dir(suite) ->
    [];
read_dir(Config) when is_list(Config) ->
    PrivDir = ?config(priv_dir, Config),
    {Cm, Channel} = ?config(sftp, Config),
    ReqId = 0,
    {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), Handle/binary>>, _} =
	open_dir(PrivDir, Cm, Channel, ReqId),
    ok = read_dir(Handle, Cm, Channel, ReqId),
    ok.

%%--------------------------------------------------------------------
write_file(doc) ->
    ["Test SSH_FXP_WRITE command"];
write_file(suite) ->
    [];
write_file(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),

    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), Handle/binary>>, _} =
	open_file(FileName, Cm, Channel, ReqId,
		  ?ACE4_WRITE_DATA  bor ?ACE4_WRITE_ATTRIBUTES,
		  ?SSH_FXF_OPEN_EXISTING),

    NewReqId = 1,
    Data =  list_to_binary("Write file test"),

    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId), ?UINT32(?SSH_FX_OK),
	  _/binary>>, _}
	= write_file(Handle, Data, 0, Cm, Channel, NewReqId),

    {ok, Data} = file:read_file(FileName),

    ok.

%%--------------------------------------------------------------------
remove_file(doc) ->
    ["Test SSH_FXP_REMOVE command"];
remove_file(suite) ->
    [];
remove_file(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),
    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	   ?UINT32(?SSH_FX_OK), _/binary>>, _} =
	remove(FileName, Cm, Channel, ReqId),

    NewReqId = 1,
    %%  {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId), % ver 6 we have 5
    %% 	  ?UINT32(?SSH_FX_FILE_IS_A_DIRECTORY ), _/binary>>, _} =

    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId),
	  ?UINT32(?SSH_FX_FAILURE), _/binary>>, _} =
	remove(PrivDir, Cm, Channel, NewReqId),

    ok.

%%--------------------------------------------------------------------
rename_file(doc) ->
    ["Test SSH_FXP_RENAME command"];
rename_file(suite) ->
    [];
rename_file(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),
    NewFileName = filename:join(PrivDir, "test1.txt"),
    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	  ?UINT32(?SSH_FX_OK), _/binary>>, _} =
	rename(FileName, NewFileName, Cm, Channel, ReqId, 6, 0),

    NewReqId = ReqId + 1,

    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId),
	  ?UINT32(?SSH_FX_OK), _/binary>>, _} =
	rename(NewFileName, FileName, Cm, Channel, NewReqId, 6,
	       ?SSH_FXP_RENAME_OVERWRITE),

    NewReqId1 = NewReqId + 1,
    file:copy(FileName, NewFileName),

    %% No owerwrite
    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId1),
	  ?UINT32(?SSH_FX_FILE_ALREADY_EXISTS), _/binary>>, _} =
	rename(FileName, NewFileName, Cm, Channel, NewReqId1, 6,
	       ?SSH_FXP_RENAME_NATIVE),

    NewReqId2 = NewReqId1 + 1,

    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId2),
	  ?UINT32(?SSH_FX_OP_UNSUPPORTED), _/binary>>, _} =
	rename(FileName, NewFileName, Cm, Channel, NewReqId2, 6,
	       ?SSH_FXP_RENAME_ATOMIC),

    ok.

%%--------------------------------------------------------------------
mk_rm_dir(doc) ->
    ["Test SSH_FXP_MKDIR and SSH_FXP_RMDIR command"];
mk_rm_dir(suite) ->
    [];
mk_rm_dir(Config) when is_list(Config) ->
    PrivDir = ?config(priv_dir, Config),
    {Cm, Channel} = ?config(sftp, Config),
    DirName = filename:join(PrivDir, "test"),
    ReqId = 0,
    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId), ?UINT32(?SSH_FX_OK),
	  _/binary>>, _} = mkdir(DirName, Cm, Channel, ReqId),

    NewReqId = 1,
    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId), ?UINT32(?SSH_FX_FAILURE),
	  _/binary>>, _} = mkdir(DirName, Cm, Channel, NewReqId),

    NewReqId1 = 2,
    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId1), ?UINT32(?SSH_FX_OK),
	    _/binary>>, _} = rmdir(DirName, Cm, Channel, NewReqId1),

    NewReqId2 = 3,
    {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId2), ?UINT32(?SSH_FX_NO_SUCH_FILE),
	    _/binary>>, _} = rmdir(DirName, Cm, Channel, NewReqId2),

    ok.
%%--------------------------------------------------------------------
real_path(doc) ->
    ["Test SSH_FXP_REALPATH command"];
real_path(suite) ->
    [];
real_path(Config) when is_list(Config) ->
    case test_server:os_type() of
	{win32, _} ->
	    {skip,  "Not a relevant test on windows"};
	_ ->
	    ReqId = 0,
	    {Cm, Channel} = ?config(sftp, Config),
	    PrivDir = ?config(priv_dir, Config),
	    TestDir = filename:join(PrivDir, "ssh_test"),
	    ok = file:make_dir(TestDir),

	    OrigPath = filename:join(TestDir, ".."),

	    {ok, <<?SSH_FXP_NAME, ?UINT32(ReqId), ?UINT32(_), ?UINT32(Len),
	     Path:Len/binary, _/binary>>, _}
		= real_path(OrigPath, Cm, Channel, ReqId),

	    RealPath = filename:absname(binary_to_list(Path)),
	    AbsPrivDir = filename:absname(PrivDir),

	    test_server:format("Path: ~p PrivDir: ~p~n", [RealPath, AbsPrivDir]),

	    true = RealPath == AbsPrivDir,

	    ok
    end.

%%--------------------------------------------------------------------
links(doc) ->
    [];
links(suite) ->
    [];
links(Config) when is_list(Config) ->
    case test_server:os_type() of
	{win32, _} ->
	    {skip, "Links are not fully supported by windows"};
	_ ->
	    ReqId = 0,
	    {Cm, Channel} = ?config(sftp, Config),
	    PrivDir =  ?config(priv_dir, Config),
	    FileName = filename:join(PrivDir, "test.txt"),
	    LinkFileName = filename:join(PrivDir, "link_test.txt"),

	    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
		  ?UINT32(?SSH_FX_OK), _/binary>>, _} =
		create_link(LinkFileName, FileName, Cm, Channel, ReqId),

	    NewReqId = 1,
	    {ok, <<?SSH_FXP_NAME, ?UINT32(NewReqId), ?UINT32(_), ?UINT32(Len),
		  Path:Len/binary, _/binary>>, _}
		= read_link(LinkFileName, Cm, Channel, NewReqId),


	    true = binary_to_list(Path) == FileName,

	    test_server:format("Path: ~p~n", [binary_to_list(Path)]),
	    ok
    end.

%%--------------------------------------------------------------------
retrieve_attributes(doc) ->
    ["Test SSH_FXP_STAT, SSH_FXP_LSTAT AND SSH_FXP_FSTAT commands"];
retrieve_attributes(suite) ->
    [];
retrieve_attributes(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),
    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, FileInfo} = file:read_file_info(FileName),

    AttrValues =
	retrive_attributes(FileName, Cm, Channel, ReqId),

    Type =  encode_file_type(FileInfo#file_info.type),
    Size = FileInfo#file_info.size,
    Owner = FileInfo#file_info.uid,
    Group =  FileInfo#file_info.gid,
    Permissions = FileInfo#file_info.mode,
    Atime =  calendar:datetime_to_gregorian_seconds(
	       erlang:localtime_to_universaltime(FileInfo#file_info.atime))
	-  ?UNIX_EPOCH,
    Mtime =  calendar:datetime_to_gregorian_seconds(
	       erlang:localtime_to_universaltime(FileInfo#file_info.mtime))
	-  ?UNIX_EPOCH,
    Ctime =  calendar:datetime_to_gregorian_seconds(
	       erlang:localtime_to_universaltime(FileInfo#file_info.ctime))
	-  ?UNIX_EPOCH,

    lists:foreach(fun(Value) ->
			  <<?UINT32(Flags), _/binary>> = Value,
			  true = ?is_set(?SSH_FILEXFER_ATTR_SIZE,
					Flags),
			  true = ?is_set(?SSH_FILEXFER_ATTR_PERMISSIONS,
					Flags),
			  true = ?is_set(?SSH_FILEXFER_ATTR_ACCESSTIME,
					Flags),
			  true = ?is_set(?SSH_FILEXFER_ATTR_CREATETIME,
					Flags),
			  true = ?is_set(?SSH_FILEXFER_ATTR_MODIFYTIME,
					Flags),
			  true = ?is_set(?SSH_FILEXFER_ATTR_OWNERGROUP,
					 Flags),
			  false = ?is_set(?SSH_FILEXFER_ATTR_ACL,
					Flags),
			  false = ?is_set(?SSH_FILEXFER_ATTR_SUBSECOND_TIMES,
					Flags),
			  false = ?is_set(?SSH_FILEXFER_ATTR_BITS,
					Flags),
			  false = ?is_set(?SSH_FILEXFER_ATTR_EXTENDED,
					Flags),

			  <<?UINT32(_Flags), ?BYTE(Type),
			   ?UINT64(Size),
			   ?UINT32(OwnerLen), BinOwner:OwnerLen/binary,
			   ?UINT32(GroupLen), BinGroup:GroupLen/binary,
			   ?UINT32(Permissions),
			   ?UINT64(Atime),
			   ?UINT64(Ctime),
			   ?UINT64(Mtime)>> = Value,

			  Owner = list_to_integer(binary_to_list(BinOwner)),
			  Group =  list_to_integer(binary_to_list(BinGroup))
		  end, AttrValues),

    ok.
%%--------------------------------------------------------------------
set_attributes(doc) ->
    ["Test SSH_FXP_SETSTAT AND SSH_FXP_FSETSTAT commands"];
set_attributes(suite) ->
    [];
set_attributes(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),
    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, FileInfo} = file:read_file_info(FileName),

    OrigPermissions = FileInfo#file_info.mode,
    Permissions = 8#600, %% User read-write-only

    Flags = ?SSH_FILEXFER_ATTR_PERMISSIONS,

    Atters = [?uint32(Flags), ?byte(?SSH_FILEXFER_TYPE_REGULAR),
	      ?uint32(Permissions)],

    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	  ?UINT32(?SSH_FX_OK), _/binary>>, _} =
	set_attributes_file(FileName, Atters, Cm, Channel, ReqId),

    {ok, NewFileInfo} = file:read_file_info(FileName),
    NewPermissions = NewFileInfo#file_info.mode,

    %% Can not test that NewPermissions = Permissions as
    %% on Unix platforms, other bits than those listed in the
    %% API may be set.
    test_server:format("Org: ~p New: ~p~n", [OrigPermissions, NewPermissions]),
    true = OrigPermissions =/= NewPermissions,

    test_server:format("Try to open the file"),
    NewReqId = 2,
    {ok, <<?SSH_FXP_HANDLE, ?UINT32(NewReqId), Handle/binary>>, _} =
	open_file(FileName, Cm, Channel, NewReqId,
		  ?ACE4_READ_DATA bor ?ACE4_WRITE_ATTRIBUTES,
		  ?SSH_FXF_OPEN_EXISTING),

    NewAtters = [?uint32(Flags), ?byte(?SSH_FILEXFER_TYPE_REGULAR),
		 ?uint32(OrigPermissions)],

    NewReqId1 = 3,

    test_server:format("Set original permissions on the now open file"),

     {ok, <<?SSH_FXP_STATUS, ?UINT32(NewReqId1),
	  ?UINT32(?SSH_FX_OK), _/binary>>, _} =
	set_attributes_open_file(Handle, NewAtters, Cm, Channel, NewReqId1),

    {ok, NewFileInfo1} = file:read_file_info(FileName),
    OrigPermissions = NewFileInfo1#file_info.mode,

    ok.

%%--------------------------------------------------------------------
ver3_rename_OTP_6352(doc) ->
    ["Test that ver3 rename message is handled"];

ver3_rename_OTP_6352(suite) ->
    [];

ver3_rename_OTP_6352(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),
    NewFileName = filename:join(PrivDir, "test1.txt"),
    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	  ?UINT32(?SSH_FX_OK), _/binary>>, _} =
	rename(FileName, NewFileName, Cm, Channel, ReqId, 3, 0),

    ok.

%%--------------------------------------------------------------------
seq10670(doc) ->
    ["Check that realpath works ok"];

seq10670(suite) ->
    [];

seq10670(Config) when is_list(Config) ->
    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    case test_server:os_type() of
	{win32, _} ->
	    {skip,  "Not a relevant test on windows"};
	_ ->
	    {ok, <<?SSH_FXP_NAME, ?UINT32(ReqId), ?UINT32(_), ?UINT32(Len),
		  Root:Len/binary, _/binary>>, _}
		= real_path("/..", Cm, Channel, ReqId),

	    <<"/">> = Root,

	    {ok, <<?SSH_FXP_NAME, ?UINT32(ReqId), ?UINT32(_), ?UINT32(Len),
		  Path:Len/binary, _/binary>>, _}
		= real_path("/usr/bin/../..", Cm, Channel, ReqId),

	    Root = Path
    end.

%% Internal functions
%%--------------------------------------------------------------------
prep(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    TestFile = filename:join(PrivDir, "test.txt"),
    TestFile1 = filename:join(PrivDir, "test1.txt"),

    file:delete(TestFile),
    file:delete(TestFile1),

    %% Initial config
    DataDir = ?config(data_dir, Config),
    FileName = filename:join(DataDir, "test.txt"),
    file:copy(FileName, TestFile),
    Mode = 8#00400 bor 8#00200 bor 8#00040, % read & write owner, read group
    {ok, FileInfo} = file:read_file_info(TestFile),
    ok = file:write_file_info(TestFile,
			      FileInfo#file_info{mode = Mode}).

reply(Cm, Channel) ->
    reply(Cm, Channel,<<>>).

reply(Cm, Channel, RBuf) ->
    receive
	{ssh_cm, Cm, {data, Channel, 0, Data}} ->
	    case <<RBuf/binary, Data/binary>> of
		<<?UINT32(Len),Reply:Len/binary,Rest/binary>> ->
		    {ok, Reply, Rest};
		RBuf2 ->
		    reply(Cm, Channel, RBuf2)
	    end;
	{ssh_cm, Cm, {eof, Channel}} ->
	    eof;
	{ssh_cm, Cm, {closed, Channel}} ->
	    closed;
	{ssh_cm, Cm, Msg} ->
	    test_server:fail(Msg)
    end.


open_file(File, Cm, Channel, ReqId, Access, Flags) ->

    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(File)),
			   ?uint32(Access),
			   ?uint32(Flags),
			   ?REG_ATTERS]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
				      ?SSH_FXP_OPEN, Data/binary>>),
    reply(Cm, Channel).



close(Handle, ReqId, Cm , Channel) ->
    Data = list_to_binary([?uint32(ReqId), Handle]),

    Size = 1 + size(Data),

    ssh_connection:send(Cm, Channel, <<?UINT32(Size), ?SSH_FXP_CLOSE,
			      Data/binary>>),

    reply(Cm, Channel).



open_dir(Dir, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(Dir))]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
				      ?SSH_FXP_OPENDIR, Data/binary>>),
    reply(Cm, Channel).


rename(OldName, NewName, Cm, Channel, ReqId, Version, Flags) ->
    Data =
	case Version of
	    3 ->
		list_to_binary([?uint32(ReqId),
				?binary(list_to_binary(OldName)),
				?binary(list_to_binary(NewName))]);
	    _ ->
		list_to_binary([?uint32(ReqId),
				?binary(list_to_binary(OldName)),
				?binary(list_to_binary(NewName)),
				?uint32(Flags)])
	end,
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
				      ?SSH_FXP_RENAME, Data/binary>>),
    reply(Cm, Channel).


mkdir(Dir, Cm, Channel, ReqId)->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(Dir)),
			   ?REG_ATTERS]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
				      ?SSH_FXP_MKDIR, Data/binary>>),
    reply(Cm, Channel).


rmdir(Dir, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(Dir))]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_RMDIR, Data/binary>>),
    reply(Cm, Channel).

remove(File, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(File))]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_REMOVE, Data/binary>>),
    reply(Cm, Channel).


read_dir(Handle, Cm, Channel, ReqId) ->

    Data = list_to_binary([?uint32(ReqId), Handle]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_READDIR, Data/binary>>),
    case reply(Cm, Channel) of
	{ok, <<?SSH_FXP_NAME, ?UINT32(ReqId), ?UINT32(Count),
	       ?UINT32(Len), Listing:Len/binary, _/binary>>, _} ->
	    test_server:format("Count: ~p Listing: ~p~n",
			       [Count, binary_to_list(Listing)]),
	    read_dir(Handle, Cm, Channel, ReqId);
	{ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
	      ?UINT32(?SSH_FX_EOF), _/binary>>, _}  ->
	    ok
    end.

read_file(Handle, MaxLength, OffSet, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId), Handle,
			   ?uint64(OffSet),
			   ?uint32(MaxLength)]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_READ, Data/binary>>),
    reply(Cm, Channel).


write_file(Handle, FileData, OffSet, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId), Handle,
			   ?uint64(OffSet),
			   ?binary(FileData)]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_WRITE, Data/binary>>),
    reply(Cm, Channel).


real_path(OrigPath, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(OrigPath))]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_REALPATH, Data/binary>>),
    reply(Cm, Channel).

create_link(LinkPath, Path, Cm, Channel, ReqId) ->
     Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(LinkPath)),
			   ?binary(list_to_binary(Path))]),
     Size = 1 + size(Data),
     ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_SYMLINK, Data/binary>>),
     reply(Cm, Channel).


read_link(Link, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(Link))]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_READLINK, Data/binary>>),
    reply(Cm, Channel).

retrive_attributes_file(FilePath, Flags, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(FilePath)),
			   ?uint32(Flags)]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_STAT, Data/binary>>),
    reply(Cm, Channel).

retrive_attributes_file_or_link(FilePath, Flags, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(FilePath)),
			   ?uint32(Flags)]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_LSTAT, Data/binary>>),
    reply(Cm, Channel).

retrive_attributes_open_file(Handle, Flags, Cm, Channel, ReqId) ->

    Data = list_to_binary([?uint32(ReqId),
			   Handle,
			   ?uint32(Flags)]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_FSTAT, Data/binary>>),
    reply(Cm, Channel).

retrive_attributes(FileName, Cm, Channel, ReqId) ->

    Attr =  ?SSH_FILEXFER_ATTR_SIZE,

    {ok, <<?SSH_FXP_ATTRS, ?UINT32(ReqId), Value/binary>>, _}
	= retrive_attributes_file(FileName, Attr,
				  Cm, Channel, ReqId),

    NewReqId = ReqId + 1,
    {ok, <<?SSH_FXP_ATTRS, ?UINT32(NewReqId), Value1/binary>>, _}
	= retrive_attributes_file_or_link(FileName,
					  Attr, Cm, Channel, NewReqId),

    NewReqId1 = NewReqId + 1,
    {ok, <<?SSH_FXP_HANDLE, ?UINT32(NewReqId1), Handle/binary>>, _} =
	open_file(FileName, Cm, Channel, NewReqId1,
		  ?ACE4_READ_DATA  bor ?ACE4_READ_ATTRIBUTES,
		  ?SSH_FXF_OPEN_EXISTING),

    NewReqId2 = NewReqId1 + 1,
    {ok, <<?SSH_FXP_ATTRS, ?UINT32(NewReqId2), Value2/binary>>, _}
	= retrive_attributes_open_file(Handle, Attr, Cm, Channel, NewReqId2),

    [Value, Value1, Value2].

set_attributes_file(FilePath, Atters, Cm, Channel, ReqId) ->
    Data = list_to_binary([?uint32(ReqId),
			   ?binary(list_to_binary(FilePath)),
			   Atters]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_SETSTAT, Data/binary>>),
    reply(Cm, Channel).


set_attributes_open_file(Handle, Atters, Cm, Channel, ReqId) ->

    Data = list_to_binary([?uint32(ReqId),
			   Handle,
			   Atters]),
    Size = 1 + size(Data),
    ssh_connection:send(Cm, Channel, <<?UINT32(Size),
			      ?SSH_FXP_FSETSTAT, Data/binary>>),
    reply(Cm, Channel).


encode_file_type(Type) ->
    case Type of
	regular -> ?SSH_FILEXFER_TYPE_REGULAR;
	directory -> ?SSH_FILEXFER_TYPE_DIRECTORY;
	symlink -> ?SSH_FILEXFER_TYPE_SYMLINK;
	special -> ?SSH_FILEXFER_TYPE_SPECIAL;
	unknown -> ?SSH_FILEXFER_TYPE_UNKNOWN;
	other -> ?SSH_FILEXFER_TYPE_UNKNOWN;
	socket -> ?SSH_FILEXFER_TYPE_SOCKET;
	char_device -> ?SSH_FILEXFER_TYPE_CHAR_DEVICE;
	block_device -> ?SSH_FILEXFER_TYPE_BLOCK_DEVICE;
	fifo -> ?SSH_FILEXFER_TYPE_FIFO;
	undefined -> ?SSH_FILEXFER_TYPE_UNKNOWN
    end.

%%--------------------------------------------------------------------
sshd_read_file(doc) ->
    ["Test SSH_FXP_READ command, using sshd-server"];
sshd_read_file(suite) ->
    [];
sshd_read_file(Config) when is_list(Config) ->
    PrivDir =  ?config(priv_dir, Config),
    FileName = filename:join(PrivDir, "test.txt"),

    ReqId = 0,
    {Cm, Channel} = ?config(sftp, Config),

    {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), Handle/binary>>, _} =
	open_file(FileName, Cm, Channel, ReqId,
		  ?ACE4_READ_DATA  bor ?ACE4_READ_ATTRIBUTES,
		  ?SSH_FXF_OPEN_EXISTING),

    NewReqId = 1,

    {ok, <<?SSH_FXP_DATA, ?UINT32(NewReqId), ?UINT32(_Length),
	  Data/binary>>, _} =
	read_file(Handle, 100, 0, Cm, Channel, NewReqId),

    {ok, Data} = file:read_file(FileName),

    ok.