diff options
Diffstat (limited to 'lib/stdlib/test/tar_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/tar_SUITE.erl | 301 |
1 files changed, 270 insertions, 31 deletions
diff --git a/lib/stdlib/test/tar_SUITE.erl b/lib/stdlib/test/tar_SUITE.erl index 6f3979bb77..4061008812 100644 --- a/lib/stdlib/test/tar_SUITE.erl +++ b/lib/stdlib/test/tar_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2016. All Rights Reserved. +%% Copyright Ericsson AB 1997-2017. 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. @@ -20,11 +20,15 @@ -module(tar_SUITE). -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, - init_per_group/2,end_per_group/2, borderline/1, atomic/1, long_names/1, + init_per_group/2, end_per_group/2, + init_per_testcase/2, + borderline/1, atomic/1, long_names/1, create_long_names/1, bad_tar/1, errors/1, extract_from_binary/1, - extract_from_binary_compressed/1, + extract_from_binary_compressed/1, extract_filtered/1, extract_from_open_file/1, symlinks/1, open_add_close/1, cooked_compressed/1, - memory/1,unicode/1]). + memory/1,unicode/1,read_other_implementations/1, + sparse/1, init/1, leading_slash/1, dotdot/1, + roundtrip_metadata/1]). -include_lib("common_test/include/ct.hrl"). -include_lib("kernel/include/file.hrl"). @@ -35,7 +39,10 @@ all() -> [borderline, atomic, long_names, create_long_names, bad_tar, errors, extract_from_binary, extract_from_binary_compressed, extract_from_open_file, - symlinks, open_add_close, cooked_compressed, memory, unicode]. + extract_filtered, + symlinks, open_add_close, cooked_compressed, memory, unicode, + read_other_implementations, + sparse,init,leading_slash,dotdot,roundtrip_metadata]. groups() -> []. @@ -52,6 +59,9 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. +init_per_testcase(_Case, Config) -> + Ports = ordsets:from_list(erlang:ports()), + [{ports,Ports}|Config]. %% Test creating, listing and extracting one file from an archive, %% multiple times with different file sizes. Also check that the file @@ -81,20 +91,33 @@ borderline(Config) when is_list(Config) -> %% Clean up. delete_files([TempDir]), - ok. + verify_ports(Config). borderline_test(Size, TempDir) -> - Archive = filename:join(TempDir, "ar_"++integer_to_list(Size)++".tar"), - Name = filename:join(TempDir, "file_"++integer_to_list(Size)), io:format("Testing size ~p", [Size]), + borderline_test(Size, TempDir, true), + borderline_test(Size, TempDir, false), + ok. + +borderline_test(Size, TempDir, IsUstar) -> + Prefix = case IsUstar of + true -> + "file_"; + false -> + lists:duplicate(100, $f) ++ "ile_" + end, + SizeList = integer_to_list(Size), + Archive = filename:join(TempDir, "ar_"++ SizeList ++".tar"), + Name = filename:join(TempDir, Prefix++SizeList), %% Create a file and archive it. X0 = erlang:monotonic_time(), - file:write_file(Name, random_byte_list(X0, Size)), + ok = file:write_file(Name, random_byte_list(X0, Size)), ok = erl_tar:create(Archive, [Name]), ok = file:delete(Name), %% Verify listing and extracting. + IsUstar = is_ustar(Archive), {ok, [Name]} = erl_tar:table(Archive), ok = erl_tar:extract(Archive, [verbose]), @@ -103,7 +126,12 @@ borderline_test(Size, TempDir) -> true = match_byte_list(X0, binary_to_list(Bin)), %% Verify that Unix tar can read it. - tar_tf(Archive, Name), + case IsUstar of + true -> + tar_tf(Archive, Name); + false -> + ok + end, ok. @@ -248,7 +276,7 @@ atomic(Config) when is_list(Config) -> %% Clean up. delete_files([Tar1,Tar2,Tar3,Tar4|Names]), - ok. + verify_ports(Config). %% Returns a sequence of characters. @@ -282,7 +310,9 @@ long_names(Config) when is_list(Config) -> DataDir = proplists:get_value(data_dir, Config), Long = filename:join(DataDir, "long_names.tar"), run_in_short_tempdir(Config, - fun() -> do_long_names(Long) end). + fun() -> do_long_names(Long) end), + verify_ports(Config). + do_long_names(Long) -> %% Try table/2 and extract/2. @@ -314,7 +344,8 @@ do_long_names(Long) -> %% Creates a tar file from a deep directory structure (filenames are %% longer than 100 characters). create_long_names(Config) when is_list(Config) -> - run_in_short_tempdir(Config, fun create_long_names/0). + run_in_short_tempdir(Config, fun create_long_names/0), + verify_ports(Config). create_long_names() -> {ok,Dir} = file:get_cwd(), @@ -336,6 +367,7 @@ create_long_names() -> ok = erl_tar:tt(TarName), %% Extract and verify. + true = is_ustar(TarName), ExtractDir = "extract_dir", ok = file:make_dir(ExtractDir), ok = erl_tar:extract(TarName, [{cwd,ExtractDir}]), @@ -357,10 +389,10 @@ make_dirs([], Dir) -> %% Try erl_tar:table/2 and erl_tar:extract/2 on some corrupted tar files. bad_tar(Config) when is_list(Config) -> try_bad("bad_checksum", bad_header, Config), - try_bad("bad_octal", bad_header, Config), + try_bad("bad_octal", invalid_tar_checksum, Config), try_bad("bad_too_short", eof, Config), try_bad("bad_even_shorter", eof, Config), - ok. + verify_ports(Config). try_bad(Name0, Reason, Config) -> %% Intentionally no macros here. @@ -370,8 +402,10 @@ try_bad(Name0, Reason, Config) -> Name = Name0 ++ ".tar", io:format("~nTrying ~s", [Name]), Full = filename:join(DataDir, Name), - Opts = [verbose, {cwd, PrivDir}], + Dest = filename:join(PrivDir, Name0), + Opts = [verbose, {cwd, Dest}], Expected = {error, Reason}, + io:fwrite("Expected: ~p\n", [Expected]), case {erl_tar:table(Full, Opts), erl_tar:extract(Full, Opts)} of {Expected, Expected} -> io:format("Result: ~p", [Expected]), @@ -408,7 +442,7 @@ errors(Config) when is_list(Config) -> %% Clean up. delete_files([GoodTar,BadTar]), - ok. + verify_ports(Config). try_error(M, F, A, Error) -> io:format("Trying ~p:~p(~p)", [M, F, A]), @@ -458,7 +492,7 @@ extract_from_binary(Config) when is_list(Config) -> %% Clean up. delete_files([ExtractDir]), - ok. + verify_ports(Config). extract_from_binary_compressed(Config) when is_list(Config) -> %% Test extracting a compressed tar archive from a binary. @@ -491,7 +525,28 @@ extract_from_binary_compressed(Config) when is_list(Config) -> %% Clean up the rest. delete_files([ExtractDir]), - ok. + verify_ports(Config). + +%% Test extracting a tar archive from a binary. +extract_filtered(Config) when is_list(Config) -> + DataDir = proplists:get_value(data_dir, Config), + PrivDir = proplists:get_value(priv_dir, Config), + Long = filename:join(DataDir, "no_fancy_stuff.tar"), + ExtractDir = filename:join(PrivDir, "extract_from_binary"), + ok = file:make_dir(ExtractDir), + + ok = erl_tar:extract(Long, [{cwd,ExtractDir},{files,["no_fancy_stuff/EPLICENCE"]}]), + + %% Verify. + Dir = filename:join(ExtractDir, "no_fancy_stuff"), + true = filelib:is_dir(Dir), + false = filelib:is_file(filename:join(Dir, "a_dir_list")), + true = filelib:is_file(filename:join(Dir, "EPLICENCE")), + + %% Clean up. + delete_files([ExtractDir]), + + verify_ports(Config). %% Test extracting a tar archive from an open file. extract_from_open_file(Config) when is_list(Config) -> @@ -516,7 +571,7 @@ extract_from_open_file(Config) when is_list(Config) -> %% Clean up. delete_files([ExtractDir]), - ok. + verify_ports(Config). %% Test that archives containing symlinks can be created and extracted. symlinks(Config) when is_list(Config) -> @@ -535,6 +590,7 @@ symlinks(Config) when is_list(Config) -> %% Clean up. delete_files([Dir]), + verify_ports(Config), Res. make_symlink(Path, Link) -> @@ -573,6 +629,7 @@ symlinks(Dir, BadSymlink, PointsTo) -> ok = file:write_file(AFile, ALine), ok = file:make_symlink(AFile, GoodSymlink), ok = erl_tar:create(Tar, [BadSymlink, GoodSymlink, AFile], [verbose]), + true = is_ustar(Tar), %% List contents of tar file. @@ -581,6 +638,7 @@ symlinks(Dir, BadSymlink, PointsTo) -> %% Also create another archive with the dereference flag. ok = erl_tar:create(DerefTar, [AFile, GoodSymlink], [dereference, verbose]), + true = is_ustar(DerefTar), %% Extract files to a new directory. @@ -619,13 +677,51 @@ long_symlink(Dir) -> ok = file:set_cwd(Dir), AFile = "long_symlink", - FarTooLong = "/tmp/aarrghh/this/path/is/far/longer/than/one/hundred/characters/which/is/the/maximum/number/of/characters/allowed", - ok = file:make_symlink(FarTooLong, AFile), - {error,Error} = erl_tar:create(Tar, [AFile], [verbose]), - io:format("Error: ~s\n", [erl_tar:format_error(Error)]), - {FarTooLong,symbolic_link_too_long} = Error, + RequiresPAX = "/tmp/aarrghh/this/path/is/far/longer/than/one/hundred/characters/which/is/the/maximum/number/of/characters/allowed", + ok = file:make_symlink(RequiresPAX, AFile), + ok = erl_tar:create(Tar, [AFile], [verbose]), + false = is_ustar(Tar), + NewDir = filename:join(Dir, "extracted"), + _ = file:make_dir(NewDir), + ok = erl_tar:extract(Tar, [{cwd, NewDir}, verbose]), + ok = file:set_cwd(NewDir), + {ok, #file_info{type=symlink}} = file:read_link_info(AFile), + {ok, RequiresPAX} = file:read_link(AFile), ok. +init(Config) when is_list(Config) -> + PrivDir = proplists:get_value(priv_dir, Config), + ok = file:set_cwd(PrivDir), + Dir = filename:join(PrivDir, "init"), + ok = file:make_dir(Dir), + + [{FileOne,_,_}|_] = oac_files(), + TarOne = filename:join(Dir, "archive1.tar"), + {ok,Fd} = file:open(TarOne, [write]), + + %% If the arity of the fun is wrong, badarg should be returned + {error, badarg} = erl_tar:init(Fd, write, fun file_op_bad/1), + + %% Otherwise we should be good to go + {ok, Tar} = erl_tar:init(Fd, write, fun file_op/2), + ok = erl_tar:add(Tar, FileOne, []), + ok = erl_tar:close(Tar), + {ok, [FileOne]} = erl_tar:table(TarOne), + + verify_ports(Config). + +file_op_bad(_) -> + throw({error, should_never_be_called}). + +file_op(write, {Fd, Data}) -> + file:write(Fd, Data); +file_op(position, {Fd, Pos}) -> + file:position(Fd, Pos); +file_op(read2, {Fd, Size}) -> + file:read(Fd, Size); +file_op(close, Fd) -> + file:close(Fd). + open_add_close(Config) when is_list(Config) -> PrivDir = proplists:get_value(priv_dir, Config), ok = file:set_cwd(PrivDir), @@ -643,21 +739,30 @@ open_add_close(Config) when is_list(Config) -> TarOne = filename:join(Dir, "archive1.tar"), {ok,AD} = erl_tar:open(TarOne, [write]), ok = erl_tar:add(AD, FileOne, []), - ok = erl_tar:add(AD, FileTwo, "second file", []), - ok = erl_tar:add(AD, FileThree, [verbose]), + + %% Add with {NameInArchive,Name} + ok = erl_tar:add(AD, {"second file", FileTwo}, []), + + %% Add with {binary, Bin} + {ok,FileThreeBin} = file:read_file(FileThree), + ok = erl_tar:add(AD, {FileThree, FileThreeBin}, [verbose]), + + %% Add with Name ok = erl_tar:add(AD, FileThree, "chunked", [{chunks,11411},verbose]), ok = erl_tar:add(AD, ADir, [verbose]), ok = erl_tar:add(AD, AnotherDir, [verbose]), ok = erl_tar:close(AD), + true = is_ustar(TarOne), ok = erl_tar:t(TarOne), ok = erl_tar:tt(TarOne), - {ok,[FileOne,"second file",FileThree,"chunked",ADir,SomeContent]} = erl_tar:table(TarOne), + Expected = {ok,[FileOne,"second file",FileThree,"chunked",ADir,SomeContent]}, + Expected = erl_tar:table(TarOne), delete_files(["oac_file","oac_small","oac_big",Dir,AnotherDir,ADir]), - ok. + verify_ports(Config). oac_files() -> Files = [{"oac_file", 1459, $x}, @@ -688,7 +793,8 @@ cooked_compressed(Config) when is_list(Config) -> %% Clean up. delete_files([filename:join(PrivDir, "ddll_SUITE_data")]), - ok. + + verify_ports(Config). %% Test that an archive can be created directly from binaries and %% that an archive can be extracted into binaries. @@ -716,7 +822,45 @@ memory(Config) when is_list(Config) -> %% Clean up. ok = delete_files([Name1,Name2]), - ok. + + verify_ports(Config). + +read_other_implementations(Config) when is_list(Config) -> + DataDir = proplists:get_value(data_dir, Config), + Files = ["v7.tar", "gnu.tar", "bsd.tar", + "star.tar", "pax_mtime.tar"], + do_read_other_implementations(Files, DataDir), + verify_ports(Config). + +do_read_other_implementations([], _DataDir) -> + ok; +do_read_other_implementations([File|Rest], DataDir) -> + io:format("~nTrying ~s", [File]), + Full = filename:join(DataDir, File), + {ok, _} = erl_tar:table(Full), + {ok, _} = erl_tar:extract(Full, [memory]), + do_read_other_implementations(Rest, DataDir). + + +%% Test handling of sparse files +sparse(Config) when is_list(Config) -> + DataDir = proplists:get_value(data_dir, Config), + PrivDir = proplists:get_value(priv_dir, Config), + Sparse01Empty = "sparse01_empty.tar", + Sparse01 = "sparse01.tar", + Sparse10Empty = "sparse10_empty.tar", + Sparse10 = "sparse10.tar", + do_sparse([Sparse01Empty, Sparse01, Sparse10Empty, Sparse10], DataDir, PrivDir), + verify_ports(Config). + +do_sparse([], _DataDir, _PrivDir) -> + ok; +do_sparse([Name|Rest], DataDir, PrivDir) -> + io:format("~nTrying sparse file ~s", [Name]), + Full = filename:join(DataDir, Name), + {ok, [_]} = erl_tar:table(Full), + {ok, _} = erl_tar:extract(Full, [memory]), + do_sparse(Rest, DataDir, PrivDir). %% Test filenames with characters outside the US ASCII range. unicode(Config) when is_list(Config) -> @@ -753,6 +897,9 @@ do_unicode(PrivDir) -> Names = lists:sort(unicode_create_files()), Tar = "unicöde.tar", ok = erl_tar:create(Tar, ["unicöde"], []), + + %% Unicode filenames require PAX format. + false = is_ustar(Tar), {ok,Names0} = erl_tar:table(Tar, []), Names = lists:sort(Names0), _ = [ok = file:delete(Name) || Name <- Names], @@ -774,6 +921,75 @@ unicode_create_files() -> [] end]. +leading_slash(Config) -> + PrivDir = proplists:get_value(priv_dir, Config), + Dir = filename:join(PrivDir, ?FUNCTION_NAME), + TarFile = filename:join(Dir, "leading_slash.tar"), + ok = filelib:ensure_dir(TarFile), + {ok,Fd} = erl_tar:open(TarFile, [write]), + TarMemberName = "e/d/c/b/a_member", + TarMemberNameAbs = "/" ++ TarMemberName, + Contents = <<"contents\n">>, + ok = erl_tar:add(Fd, Contents, TarMemberNameAbs, [verbose]), + ok = erl_tar:close(Fd), + + ok = erl_tar:extract(TarFile, [{cwd,Dir}]), + + {ok,Contents} = file:read_file(filename:join(Dir, TarMemberName)), + ok. + +dotdot(Config) -> + PrivDir = proplists:get_value(priv_dir, Config), + Dir = filename:join(PrivDir, ?FUNCTION_NAME), + ok = file:make_dir(Dir), + Tar = filename:join(Dir, "dotdot.tar"), + {ok,Fd} = erl_tar:open(Tar, [write]), + BeamFile = code:which(?MODULE), + ok = erl_tar:add(Fd, BeamFile, "a/./../../some_file", []), + ok = erl_tar:close(Fd), + + {error,{_,unsafe_path=Error}} = erl_tar:extract(Tar, [{cwd,Dir}]), + false = filelib:is_regular(filename:join(PrivDir, "some_file")), + io:format("~s\n", [erl_tar:format_error(Error)]), + + ok. + +roundtrip_metadata(Config) -> + PrivDir = proplists:get_value(priv_dir, Config), + Dir = filename:join(PrivDir, ?FUNCTION_NAME), + ok = file:make_dir(Dir), + + do_roundtrip_metadata(Dir, "name-does-not-matter"), + ok. + +do_roundtrip_metadata(Dir, File) -> + Tar = filename:join(Dir, atom_to_list(?FUNCTION_NAME)++".tar"), + BeamFile = code:which(compile), + {ok,Fd} = erl_tar:open(Tar, [write]), + ok = erl_tar:add(Fd, BeamFile, File, []), + ok = erl_tar:close(Fd), + + ok = erl_tar:extract(Tar, [{cwd,Dir}]), + + %% Make sure that size and modification times are the same + %% on all platforms. + {ok,OrigInfo} = file:read_file_info(BeamFile), + ExtractedFile = filename:join(Dir, File), + {ok,ExtractedInfo} = file:read_file_info(ExtractedFile), + #file_info{size=Size,mtime=Mtime,type=regular} = OrigInfo, + #file_info{size=Size,mtime=Mtime,type=regular} = ExtractedInfo, + + %% On Unix platforms more fields are expected to be the same. + case os:type() of + {unix,_} -> + #file_info{access=Access,mode=Mode} = OrigInfo, + #file_info{access=Access,mode=Mode} = ExtractedInfo, + ok; + _ -> + ok + end. + + %% Delete the given list of files. delete_files([]) -> ok; delete_files([Item|Rest]) -> @@ -850,3 +1066,26 @@ start_node(Name, Args) -> ct:log("Node ~p started~n", [Node]), Node end. + +%% Test that the given tar file is a plain USTAR archive, +%% without any PAX extensions. +is_ustar(File) -> + {ok,Bin} = file:read_file(File), + <<_:257/binary,"ustar",0,_/binary>> = Bin, + <<_:156/binary,Type:8,_/binary>> = Bin, + case Type of + $x -> false; + $g -> false; + _ -> true + end. + + +verify_ports(Config) -> + PortsBefore = proplists:get_value(ports, Config), + PortsAfter = ordsets:from_list(erlang:ports()), + case ordsets:subtract(PortsAfter, PortsBefore) of + [] -> + ok; + [_|_]=Rem -> + error({leaked_ports,Rem}) + end. |