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fpm.erl
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fpm.erl
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#!/usr/bin/env escript
-mode(compile).
-include_lib("kernel/include/file.hrl").
-record(fpm, {
target,
output,
force = false,
loglevel = error :: error | verbose | debug,
release,
epoch,
license,
vendor,
category,
depends = [],
url,
description = "no description",
maintainer,
post_install,
pre_uninstall,
post_uninstall,
config_files = [],
name,
replaces = [],
provides = [],
conflicts = [],
suggests = [],
version,
arch,
cwd = ".",
gpg,
rsa,
paths = [],
gpg_program = "gpg"
}).
main([]) ->
help(),
erlang:halt(1);
main(Args) ->
State = getopt(Args),
make_package(State),
ok.
fpm_error(Format) ->
fpm_error(Format, []).
fpm_error(Format, Args) ->
io:format(Format ++ "\n", Args),
halt(1).
% $$$$$$\ $$\ $$\
% $$ __$$\ $$ | $$ |
% $$ / \__| $$$$$$\ $$$$$$\ $$$$$$\ $$$$$$\ $$$$$$\
% $$ |$$$$\ $$ __$$\\_$$ _| $$ __$$\ $$ __$$\\_$$ _|
% $$ |\_$$ |$$$$$$$$ | $$ | $$ / $$ |$$ / $$ | $$ |
% $$ | $$ |$$ ____| $$ |$$\ $$ | $$ |$$ | $$ | $$ |$$\
% \$$$$$$ |\$$$$$$$\ \$$$$ |\$$$$$$ |$$$$$$$ | \$$$$ |
% \______/ \_______| \____/ \______/ $$ ____/ \____/
% $$ |
% $$ |
% \__|
getopt(Args) ->
parse_args(Args, #fpm{}).
parse_args(["-t", "deb"|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{target = deb});
parse_args(["-t", "rpm"|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{target = rpm});
parse_args(["-t", "apk"|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{target = apk});
parse_args(["-t", Target|_Args], #fpm{} = _State) ->
fpm_error("-t '~s' is not supported\n",[Target]);
parse_args(["-s", "dir" | Args], State) ->
parse_args(Args, State);
parse_args(["-s", Source | _Args], _State) ->
fpm_error("-s '~s' is not supported", [Source]);
parse_args(["-p", Path|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{output = Path});
parse_args(["--package", Path|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{output = Path});
parse_args(["-f"|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{force = true});
parse_args(["--force"|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{force = true});
parse_args(["-n", V|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{name = V});
parse_args(["--name", V|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{name = V});
parse_args(["--verbose"|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{loglevel = verbose});
parse_args(["--debug"|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{loglevel = debug});
parse_args(["-v", V|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{version = V});
parse_args(["--version", V|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{version = V});
parse_args(["--iteration", I|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{release = I});
parse_args(["--epoch", E|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{epoch = E});
parse_args(["--license", L|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{license = L});
parse_args(["--vendor", L|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{vendor = L});
parse_args(["--category", Desc|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{category = Desc});
parse_args(["--depends", Dep|Args], #fpm{depends = Deps} = State) ->
parse_args(Args, State#fpm{depends = Deps ++ [Dep]});
parse_args(["-d", Dep|Args], #fpm{depends = Deps} = State) ->
parse_args(Args, State#fpm{depends = Deps ++ [Dep]});
parse_args(["--conflicts", V|Args], #fpm{conflicts = R} = State) ->
parse_args(Args, State#fpm{conflicts = R ++ [V]});
parse_args(["--suggests", V|Args], #fpm{suggests = R} = State) ->
parse_args(Args, State#fpm{suggests = R ++ [V]});
parse_args(["--replaces", V|Args], #fpm{replaces = R} = State) ->
parse_args(Args, State#fpm{replaces = R ++ [V]});
parse_args(["--provides", V|Args], #fpm{provides = P} = State) ->
parse_args(Args, State#fpm{provides = P ++ [V]});
parse_args(["--config-files", V|Args], #fpm{config_files = Conf} = State) ->
parse_args(Args, State#fpm{config_files = Conf ++ [V]});
parse_args(["-a", V|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{arch = V});
parse_args(["--architecture", V|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{arch = V});
parse_args(["-m", Desc|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{maintainer = Desc});
parse_args(["--maintainer", Desc|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{maintainer = Desc});
parse_args(["--description", Desc|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{description = Desc});
parse_args(["--url", URL|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{url = URL});
parse_args(["--rsa", RSA|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{rsa = RSA});
parse_args(["--gpg", GPG|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{gpg = GPG});
parse_args(["--gpg-program", File|Args], #fpm{} = State) ->
parse_args(Args, State#fpm{gpg_program = File});
parse_args(["--post-install", V|Args], #fpm{} = State) ->
case file:read_file(V) of
{ok, Bin} -> parse_args(Args, State#fpm{post_install = Bin});
{error, E} -> fpm_error("Failed to read post-install ~s", [E])
end;
parse_args(["--post-uninstall", V|Args], #fpm{} = State) ->
case file:read_file(V) of
{ok, Bin} -> parse_args(Args, State#fpm{post_uninstall = Bin});
{error, E} -> fpm_error("Failed ot read post-uninstall ~s", E)
end;
parse_args(["--pre-uninstall", V|Args], #fpm{} = State) ->
case file:read_file(V) of
{ok, Bin} -> parse_args(Args, State#fpm{pre_uninstall = Bin});
{error, E} -> fpm_error("Failed to read pre-uninstall ~s", [E])
end;
parse_args(["--"++Option, _V|Args], #fpm{} = State) ->
io:format("unknown option '~s'\n", [Option]),
parse_args(Args, State);
parse_args(["-"++Option, _V|Args], #fpm{} = State) ->
io:format("unknown option '~s'\n", [Option]),
parse_args(Args, State);
parse_args(Paths, #fpm{} = State) ->
State#fpm{paths = Paths}.
validate_package(#fpm{name = undefined}) ->
fpm_error("name is required");
validate_package(#fpm{arch = undefined}) ->
fpm_error("arch is required");
validate_package(#fpm{version = undefined}) ->
fpm_error("version is required");
validate_package(_) ->
ok.
make_package(#fpm{target = Target} = FPM) ->
validate_package(FPM),
case Target of
deb -> debian(FPM);
rpm -> rpm(FPM);
apk -> apk(FPM)
end.
apk(#fpm{target = apk, name = Name, version = Version, output = OutPath} = State) ->
Path = case OutPath of
undefined -> Name++"-" ++ Version ++ ".apk";
_ -> OutPath
end,
Arch = case State#fpm.arch of
"amd64" -> "x86_64";
Arch0 -> Arch0
end,
debian_data(State),
Datahash = hex(crypto:hash(sha256,element(2,file:read_file("data.tar.gz")))),
Meta = [
{pkgname, Name},
{pkgver, Version},
{pkgdesc, State#fpm.description},
{url, State#fpm.url},
{builddate, integer_to_binary(os:system_time(seconds))},
{maintainer, State#fpm.maintainer},
{size, <<"102400">>},
{arch, Arch},
{license,<<"EULA">>},
{datahash,Datahash}
],
ok = file:write_file(".PKGINFO", [[atom_to_binary(K,latin1)," = ",V,"\n"] || {K,V} <- Meta, V =/= undefined]),
"" = os:cmd(tar()++" --owner=root --numeric-owner --group 0 --no-recursion -cf control.tar .PKGINFO"),
Deploy = filename:dirname(escript:script_name()),
"" = os:cmd(Deploy++"/apk-tar.rb control.tar"),
os:cmd("gzip control.tar"),
file:delete(".PKGINFO"),
case State of
#fpm{rsa = undefined} ->
file:delete("sign.tar.gz");
#fpm{rsa = RsaPath} ->
% openssl genrsa -out ~/.ssh/[email protected] 2048
% openssl rsa -in ~/.ssh/[email protected] -pubout > ~/.ssh/[email protected]
RsaName = filename:basename(RsaPath),
SignPath = ".SIGN.RSA."++RsaName++".pub",
os:cmd("openssl dgst -sha1 -sign "++RsaPath++" -out "++SignPath++" control.tar.gz"),
"" = os:cmd(tar()++" --owner=root --numeric-owner --group 0 --no-recursion -cf sign.tar "++SignPath),
os:cmd(Deploy++"/apk-tar.rb sign.tar"),
file:delete(SignPath),
os:cmd("gzip sign.tar")
end,
file:write_file(Path, [
case file:read_file("sign.tar.gz") of
{ok, Sign} -> Sign;
_ -> <<>>
end,
element(2,file:read_file("control.tar.gz")),
element(2,file:read_file("data.tar.gz"))
]),
file:delete("sign.tar.gz"),
file:delete("control.tar.gz"),
file:delete("data.tar.gz"),
ok.
% $$$$$$$\ $$\ $$\
% $$ __$$\ $$ | \__|
% $$ | $$ | $$$$$$\ $$$$$$$\ $$\ $$$$$$\ $$$$$$$\
% $$ | $$ |$$ __$$\ $$ __$$\ $$ | \____$$\ $$ __$$\
% $$ | $$ |$$$$$$$$ |$$ | $$ |$$ | $$$$$$$ |$$ | $$ |
% $$ | $$ |$$ ____|$$ | $$ |$$ |$$ __$$ |$$ | $$ |
% $$$$$$$ |\$$$$$$$\ $$$$$$$ |$$ |\$$$$$$$ |$$ | $$ |
% \_______/ \_______|\_______/ \__| \_______|\__| \__|
debian(#fpm{target = deb, name = Name, version = Version, arch = Arch, output = OutPath, force = Force} = State) ->
Path = case OutPath of
undefined -> Name++"_" ++ Version++ "_" ++ Arch ++ ".deb";
_ -> OutPath
end,
case file:read_file_info(Path) of
{ok, _} when Force ->
file:delete(Path);
{ok, _} ->
fpm_error("Error: file '~s' exists, not overwriting", [Path]);
{error, enoent} ->
ok;
{error, Error} ->
fpm_error("Error: cannot access output file '~s': ~p", [Path, Error])
end,
debian_control(State),
debian_data(State),
file:write_file("debian-binary", "2.0\n"),
os:cmd("ar qc "++Path++" debian-binary control.tar.gz data.tar.gz"),
file:delete("control.tar.gz"),
file:delete("data.tar.gz"),
file:delete("debian-binary"),
ok.
debian_control(#fpm{post_install = Postinst, pre_uninstall = Prerm, post_uninstall = Postrm} = State) ->
Files = [{"control", debian_control_content(State)}] ++
debian_possible_file(conffiles, debian_conf_files(State)) ++
debian_possible_file(postinst, Postinst) ++
debian_possible_file(prerm, Prerm) ++
debian_possible_file(postrm, Postrm),
file:delete("control.tar.gz"),
erl_tar:create("control.tar.gz", Files, [compressed]),
ok.
debian_possible_file(_, undefined) -> [];
debian_possible_file(Name, Content) -> [{atom_to_list(Name),iolist_to_binary(Content)}].
debian_conf_files(#fpm{config_files = Conf}) ->
[[C,"\n"] || C <- Conf].
debian_control_content(#fpm{name = Name, version = Version, maintainer = Maintainer, conflicts = Conflicts,
arch = Arch, suggests = Suggests, depends = Depends, provides = Provides,
replaces = Replaces, category = Category, url = URL, description = Description}) ->
Content = [
debian_header("Package", Name),
debian_header("Version", Version),
debian_header("Architecture", Arch),
debian_header("Maintainer", Maintainer),
debian_header("Depends", join_list(Depends)),
debian_header("Provides", join_list(Provides)),
debian_header("Conflicts", join_list(Conflicts)),
debian_header("Suggests", join_list(Suggests)),
debian_header("Replaces", join_list(Replaces)),
debian_header("Standards-Version", "3.9.1"),
debian_header("Section",Category),
debian_header("Priority", "extra"),
debian_header("Homepage", URL),
debian_header("Description", Description)
],
iolist_to_binary(Content).
debian_header(_, undefined) -> "";
debian_header(Key, Value) -> [Key, ": ", Value, "\n"].
join_list([]) -> undefined;
join_list(Items) -> string:join(Items, ", ").
debian_data(#fpm{paths = Paths}) ->
AllPaths = debian_lookup_files(Paths),
file:delete("data.tar.gz"),
% {ok, Tar} = erl_tar:open("data.tar.gz", [write,compressed]),
% lists:foreach(fun(Path) ->
% case filelib:is_dir(Path) of
% true ->
% end, AllPaths),
{Dirs, Files} = lists:partition(fun filelib:is_dir/1, AllPaths),
% io:format("dirs: ~p\n",[Dirs]),
% io:format("files: ~p\n",[Files]),
"" = os:cmd(tar()++" --owner=root --numeric-owner --group 0 --no-recursion -cf data.tar "++string:join(Dirs, " ")),
file:write_file("tmpfilelist.txt", [ [F,"\n"] || F <- Files]),
"" = os:cmd(tar()++" --owner=root --numeric-owner --group 0 -rf data.tar -T tmpfilelist.txt"),
"" = os:cmd("gzip data.tar"),
file:delete("tmpfilelist.txt"),
% os:cmd(tar()++" --owner=root --group=root --no-recursion -cf data.tar.gz "++string:join(AllPaths, " ")),
ok.
debian_lookup_files(Dirs) ->
debian_lookup_files(Dirs, sets:new()).
debian_lookup_files([], Set) ->
lists:usort(sets:to_list(Set));
debian_lookup_files([Dir|Dirs], Set) ->
Set1 = filelib:fold_files(Dir, ".*", true, fun(Path, Acc) ->
debian_add_recursive_path(Path, Acc)
end, Set),
debian_lookup_files(Dirs, Set1).
debian_add_recursive_path("/", Set) ->
Set;
debian_add_recursive_path(".", Set) ->
Set;
debian_add_recursive_path(Path, Set) ->
debian_add_recursive_path(filename:dirname(Path), sets:add_element(Path, Set)).
tar() ->
case os:type() of
{unix,darwin} -> "gnutar";
{unix,linux} -> "tar"
end.
% $$$$$$$\ $$$$$$$\ $$\ $$\
% $$ __$$\ $$ __$$\ $$$\ $$$ |
% $$ | $$ |$$ | $$ |$$$$\ $$$$ |
% $$$$$$$ |$$$$$$$ |$$\$$\$$ $$ |
% $$ __$$< $$ ____/ $$ \$$$ $$ |
% $$ | $$ |$$ | $$ |\$ /$$ |
% $$ | $$ |$$ | $$ | \_/ $$ |
% \__| \__|\__| \__| \__|
rpm(#fpm{paths = Dirs0, output = OutPath, force = Force, name = Name0, version = Version0, arch = Arch0, release = Release0} = FPM) ->
Arch1 = case Arch0 of
"amd64" -> "x86_64";
_ -> Arch0
end,
Release1 = case Release0 of
undefined -> "1";
_ -> Release0
end,
RPMPath = case OutPath of
undefined -> Name0++"-" ++ Version0++ "-" ++ Release1 ++ "." ++ Arch1 ++ ".rpm";
_ -> OutPath
end,
case file:read_file_info(RPMPath) of
{ok, _} when Force ->
file:delete(RPMPath);
{ok, _} ->
fpm_error("Error: file '~s' exists, not overwriting", [RPMPath]);
{error, enoent} ->
ok;
{error, Error} ->
fpm_error("Error: cannot access output file '~s': ~p", [RPMPath, Error])
end,
Name = iolist_to_binary(Name0),
Version = iolist_to_binary(Version0),
Arch = iolist_to_binary(Arch1),
Release = iolist_to_binary(Release1),
% It is a problem: how to store directory names. RPM requires storing them in "/etc/" and "flussonic.conf"
% cpio required: "etc/flussonic.conf"
Dirs = lists:map(fun
("./" ++ Dir) -> Dir;
("/" ++ _ = Dir) -> error({absoulte_dir_not_allowed,Dir});
(Dir) -> Dir
end, Dirs0),
% Need to sort files because mapFind will make bsearch to find them
Files0 = rpm_load_file_list(Dirs),
IsFile = fun(A) ->
case file:read_file_info(A) of
{ok, #file_info{type = regular}} -> true;
_ -> false
end
end,
Files = [F || F <- Files0, IsFile(F)],
CPIO = zlib:gzip(cpio(Files)),
Info1 = [
{summary, FPM#fpm.description},
{description, FPM#fpm.description},
% {buildhost, <<"dev.flussonic.com">>},
{vendor, FPM#fpm.vendor},
{license, FPM#fpm.license},
{packager, FPM#fpm.maintainer},
{group, FPM#fpm.category},
{url, FPM#fpm.url}
],
Info2 = [{K,iolist_to_binary(V)} || {K,V} <- Info1, V =/= undefined],
HeaderAddedTags = Info2 ++ [{name,Name},{version,Version},{release,Release},{arch,Arch},{size,iolist_size(CPIO)}],
#fpm{post_install=PostInst,pre_uninstall=PreRm,post_uninstall=PostRm}=FPM,
#fpm{epoch = Epoch}=FPM,
HeaderAddedTags2 = lists:foldl(fun
({T, V}, Acc) when V /= undefined ->
[{T, V} | Acc];
(_, Acc) -> Acc
end, HeaderAddedTags,
[
{postinstall, set_scriptlet_env(Name, Version, PostInst)},
{preuninstall, set_scriptlet_env(Name, Version, PreRm)},
{postuninstall, set_scriptlet_env(Name, Version, PostRm)},
{epoch, Epoch}
]),
HeaderAddedTags3 = HeaderAddedTags2 ++ rpm_depends_tags(FPM) ++ rpm_provides_tags(FPM),
Header = rpm_header(HeaderAddedTags3, Files, FPM),
MD5 = crypto:hash(md5, [Header, CPIO]),
GPGSign = case FPM#fpm.gpg of
undefined ->
[];
GPG ->
file:write_file("signed-data", [Header, CPIO]),
GPGCmd = FPM#fpm.gpg_program++" --batch --no-armor --no-secmem-warning -u "++GPG++" -sbo out.sig signed-data",
os:cmd(GPGCmd),
case file:read_file_info("out.sig") of
{error, _} -> io:format("Error run cmd:~p\n", [GPGCmd]);
_ -> io:format(GPGCmd)
end,
{ok, PGP} = file:read_file("out.sig"),
file:delete("signed-data"),
file:delete("out.sig"),
file:write_file("signed-data", [Header]),
os:cmd(FPM#fpm.gpg_program++" --batch --no-armor --no-secmem-warning -u "++GPG++" -sbo out.sig signed-data"),
{ok, RSA} = file:read_file("out.sig"),
file:delete("signed-data"),
file:delete("out.sig"),
[{pgp_header,{bin,PGP}},{rsa_header,{bin,RSA}}]
end,
Signature = [{sha1_header,hex(crypto:hash(sha, [Header]))}] ++ GPGSign++
[{signature_size,iolist_size(Header) + iolist_size(CPIO)},
{md5_header,{bin,MD5}}],
{ok, F} = file:open(RPMPath, [binary, write, raw]),
ok = file:write(F, rpm_lead(Name)),
ok = file:write(F, rpm_signatures(Signature)),
ok = file:write(F, Header),
% {ok, CpioPos} = file:position(F, cur),
% io:format("Write cpio at offset ~B\n", [CpioPos]),
ok = file:write(F, CPIO),
% dump_cpio0(iolist_to_binary(zlib:gunzip(CPIO))),
ok.
hex(Bin) ->
iolist_to_binary(string:to_lower(lists:flatten([io_lib:format("~2.16.0B", [I]) || <<I>> <= Bin]))).
rpm_lead(Name) ->
Magic = <<16#ed, 16#ab, 16#ee, 16#db>>,
Major = 3,
Minor = 0,
Type = 0,
Arch = 1,
OS = 1, % Linux
SigType = 5, % new "Header-style" signatures
Name0 = iolist_to_binary([Name, binary:copy(<<0>>, 66 - size(Name))]),
Reserve = binary:copy(<<0>>, 16),
Lead = <<Magic:4/binary, Major, Minor, Type:16, Arch:16, Name0:66/binary, OS:16, SigType:16, Reserve:16/binary>>,
96 = size(Lead),
Lead.
rpm_signatures(Headers) ->
{_Magic,Index0, Data0} = rpm_pack_header(Headers),
HeaderSign = <<0,0,0,62, 0,0,0,7, (-(iolist_size(Index0)+16)):32/signed, 0,0,0,16>>,
{Magic,Index, Data} = rpm_magic(length(Headers)+1, [rpm_pack_index({header_signatures,bin,iolist_size(Data0),size(HeaderSign)})|Index0], [Data0,HeaderSign]),
Pad = rpm_pad8(Data),
% io:format("Write signature index_size:~B, header_size:~B, pad:~B\n", [iolist_size(Index), iolist_size(Data), iolist_size(Pad)]),
[Magic, Index, [Data,Pad]].
rpm_pad8(Data) -> rpm_pad(Data, 8).
% pad4(Data) -> pad(Data, 4).
rpm_pad(Data, N) ->
Pad = binary:copy(<<0>>, N - (iolist_size(Data) rem N)),
Pad.
rpm_load_file_list(Dirs) ->
Files1 = lists:usort(lists:flatmap(fun(Dir) -> rpm_list(Dir) end, Dirs)),
Files2 = Files1 -- [<<"etc">>, <<"etc/init.d">>, <<"opt">>],
Files2.
rpm_list(Dir) ->
Files1 = filelib:fold_files(Dir, ".*", true, fun(P,L) -> [list_to_binary(P)|L] end, []),
Files2 = lists:filter(fun(Path) ->
{ok, #file_info{type = T}} = file:read_file_info(Path),
T == regular
end, Files1),
Files3 = lists:flatmap(fun(Path) ->
rpm_ancestors(Path)
end, Files2),
Files3.
rpm_ancestors(Path) ->
case filename:dirname(Path) of
<<"/">> -> [];
<<".">> -> [];
<<"./">> -> [];
Root -> [Path|rpm_ancestors(Root)]
end.
utc({{_Y,_Mon,_D},{_H,_Min,_S}} = DateTime) ->
calendar:datetime_to_gregorian_seconds(DateTime) - calendar:datetime_to_gregorian_seconds({{1970,1,1}, {0,0,0}}).
cpio_pad4(I) when I rem 4 == 0 -> 0;
cpio_pad4(I) -> 4 - (I rem 4).
to_b(I) when is_integer(I) ->
iolist_to_binary(string:to_lower(lists:flatten(io_lib:format("~8.16.0B", [I])))).
cpio([]) ->
cpio_pack("TRAILER!!!", 0, 0, 0, 0);
cpio([Path|Paths]) ->
Rest = cpio(Paths),
{ok, #file_info{inode = Inode, size = Size, mode = Mode, type = Type, links = Nlinks}} = file:read_file_info(Path),
case Type of
regular ->
Pack1 = cpio_pack(<<"/", Path/binary>>, Size, Inode, Mode, Nlinks),
Pad2 = binary:copy(<<0>>, cpio_pad4(Size)),
{ok, Bin} = file:read_file(Path),
Pack1 ++ [Bin, Pad2] ++ Rest;
directory ->
Pack1 = cpio_pack(<<"/", Path/binary>>, 0, Inode, Mode, Nlinks),
Pack1 ++ Rest
end.
now_s() ->
{Mega, Sec, _} = os:timestamp(),
Mega*1000000 + Sec.
cpio_pack(Name, Size, Inode, Mode, Nlinks) ->
% Nlinks = if
% Inode == 0 -> 0;
% Size == 0 andalso Mode =/= regular -> 2;
% true -> 1
% end,
Major = case Inode of
0 -> 0;
_ -> 263
end,
["070701", to_b(Inode), to_b(Mode), to_b(0), to_b(0), to_b(Nlinks), to_b(now_s()), to_b(Size), to_b(Major), to_b(0), to_b(Major), to_b(0),
to_b(iolist_size(Name)+1), to_b(0), Name, 0, binary:copy(<<0>>, cpio_pad4(iolist_size(Name) + 1 + 110))].
rpm_depends_tags(#fpm{depends=Depends}) ->
Deps = lists:foldl(fun(Depend, Acc) ->
case rpm_parse_depend(Depend) of
undefined -> Acc;
V -> [V | Acc]
end
end, [], Depends),
case lists:unzip3(Deps) of
{[], _, _} -> [];
{Names, Versions, Flags} ->
[
{requirename, Names},
{requireversion, Versions},
{requireflags, Flags}
]
end.
rpm_provides_tags(#fpm{provides=Provides}) ->
Prvs = lists:foldl(fun(Prv, Acc) ->
case rpm_parse_depend(Prv) of
undefined -> Acc;
V -> [V | Acc]
end
end, [], Provides),
case lists:unzip3(Prvs) of
{[], _, _} -> [];
{Names, Versions, Flags} ->
[
{providename, Names},
{provideversion, Versions},
{provideflags, Flags}
]
end.
rpm_attr_calc([], Acc) -> Acc;
rpm_attr_calc([$< | T], Acc) -> rpm_attr_calc(T, Acc + 2);
rpm_attr_calc([$> | T], Acc) -> rpm_attr_calc(T, Acc + 4);
rpm_attr_calc([$= | T], Acc) -> rpm_attr_calc(T, Acc + 8).
rpm_parse_depend(L) ->
Trim = fun(V) -> string:strip(V, both, 32) end,
Bin = fun(V) ->
list_to_binary(Trim(V))
end,
Attr = fun(V) ->
T = Trim(V),
case length(T) > 2 of
true -> undefined;
false -> rpm_attr_calc(T, 0)
end
end,
case re:run(Trim(L),"^([^<=>]+)(([<=>]+)(.+))?$",[global,{capture,all,list}]) of
{match, [[_, Name]]} -> {Bin(Name), <<>>, 0};
{match, [[_, Name, _, Op, Version]]} ->
case Attr(Op) of
undefined -> undefined;
V -> {Bin(Name), Bin(Version), V}
end;
_ -> undefined
end.
filedigest(_Filename, #file_info{type = directory}) ->
hex(crypto:hash(md5, <<>>));
filedigest(Filename, #file_info{}) ->
{ok, Raw} = file:read_file(Filename),
hex(crypto:hash(md5, Raw)).
rpm_header(Addons, Files, #fpm{}=FPM) ->
Infos = [begin
{ok, Info} = file:read_file_info(File),
Info
end || File <- Files],
Dirs0 = lists:usort([filename:dirname(F) || F <- Files]),
Dirs = lists:zip(Dirs0, lists:seq(0,length(Dirs0)-1)),
Headers = [
{headeri18ntable, [<<"C">>]}
] ++
Addons ++
[
{buildtime, utc(erlang:universaltime())},
{os, <<"linux">>},
{filesizes, [Size || #file_info{size = Size} <- Infos]},
{filemodes, {int16, [Mode || #file_info{mode = Mode} <- Infos]}},
{filemtimes, [utc(Mtime) || #file_info{mtime = Mtime} <- Infos]},
{fileflags, [case re:run(F, "etc/") of
{match, _} -> 17; % Here we must put proper flags on configuration files
_ -> 2 % Look for typedef enum rpmfileAttrs_e in rpmfi.h
end || F <- Files]},
{fileusername, [<<"root">> || _ <- Files]},
{filegroupname, [<<"root">> || _ <- Files]},
{filelinktos, [<<>> || _ <- Files]},
{filerdevs, [0 || _ <- Files]},
{rpmversion, <<"4.8.0">>},
{fileinodes, [inode(F) || F <- Files]},
{filelangs, [<<>> || _ <- Files]},
{dirindexes, [proplists:get_value(filename:dirname(F),Dirs) || F <- Files]},
{basenames, [filename:basename(File) || File <- Files]},
% подписи безусловно проверяются в rpm 4.4
{filedigests, [filedigest(File, FI) || {File, #file_info{}=FI} <- lists:zip(Files, Infos)]},
{dirnames, [<<"/", Dir/binary, "/">> || {Dir, _} <- Dirs]},
{payloadformat, <<"cpio">>},
{payloadcompressor, <<"gzip">>},
{payloadflags, <<"2">>},
{platform, <<"x86_64-redhat-linux-gnu">>},
{filecolors, [0 || _ <- Files]},
{fileclass, [1 || _ <- Files]},
{classdict, [<<>>, <<"file">>]},
{filedependsx, [0 || _ <- Files]},
{filedependsn, [0 || _ <- Files]},
% для совместимости с rpm 4.8 и 4.4 использую md5 алгоритм для поля filedigests
% в 4.4 этого выбора вообще не было и md5 был прибит гвоздями
% для более новых - надо указать
% https://github.com/rpm-software-management/rpm/blob/master/rpmio/rpmpgp.h#L257
{filedigestalgo, [1]}
] ++ rpm_control(FPM),
{_,Index0, Data0} = rpm_pack_header(Headers),
% Data1 = [Data0, align(16, iolist_size(Data0))],
Data1 = Data0,
% Here goes very important thing: signing with immutable signature. If you move it one byte left-right, everything
% will be lost.
%
% Immutable is a tag that is located in the end of header payload and it looks like index record. It is very confusing.
% It has a negative offset and this offset MUST be equal to the size of index _without_ this tag.
Immutable = <<0,0,0,63, 0,0,0,7, (-(iolist_size(Index0)+16)):32, 0,0,0,16>>,
{Magic, Index, Data} = rpm_magic(length(Headers)+1, [rpm_pack_index({headerimmutable,bin,iolist_size(Data1),size(Immutable)})|Index0], [Data1,Immutable]),
% io:format("header. index: ~B entries, ~B bytes, data: ~B bytes\n", [length(Headers)+1, iolist_size(Index), iolist_size(Data)]),
[Magic, Index, Data].
rpm_control(#fpm{post_install = Postinst, pre_uninstall = Prerm, post_uninstall = Postrm}) ->
case Postinst of undefined -> []; _ -> [{postinstall,Postinst}] end ++
case Prerm of undefined -> []; _ -> [{preuninstall,Prerm}] end ++
case Postrm of undefined -> []; _ -> [{postuninstall,Postrm}] end.
inode(File) ->
{ok, #file_info{inode = Inode}} = file:read_file_info(File),
Inode.
% $$\ $$\ $$\ $$\ $$\ $$\
% $$ | $\ $$ | \__| $$ | $$ | $$ |
% $$ |$$$\ $$ | $$$$$$\ $$\ $$$$$$\ $$$$$$\ $$$$$$$\ $$$$$$\ $$$$$$\ $$$$$$$ | $$$$$$\ $$$$$$\
% $$ $$ $$\$$ |$$ __$$\ $$ |\_$$ _| $$ __$$\ $$ __$$\ $$ __$$\ \____$$\ $$ __$$ |$$ __$$\ $$ __$$\
% $$$$ _$$$$ |$$ | \__|$$ | $$ | $$$$$$$$ | $$ | $$ |$$$$$$$$ | $$$$$$$ |$$ / $$ |$$$$$$$$ |$$ | \__|
% $$$ / \$$$ |$$ | $$ | $$ |$$\ $$ ____| $$ | $$ |$$ ____|$$ __$$ |$$ | $$ |$$ ____|$$ |
% $$ / \$$ |$$ | $$ | \$$$$ |\$$$$$$$\ $$ | $$ |\$$$$$$$\ \$$$$$$$ |\$$$$$$$ |\$$$$$$$\ $$ |
% \__/ \__|\__| \__| \____/ \_______| \__| \__| \_______| \_______| \_______| \_______|\__|
rpm_pack_header(Headers) ->
{Index, Data} = rpm_pack_header0(Headers, [], [], 0),
rpm_magic(length(Headers), Index, Data).
rpm_magic(EntryCount, Index, Data) ->
Bytes = iolist_size(Data),
Magic = <<16#8e, 16#ad, 16#e8, 16#01, 0:32, EntryCount:32, Bytes:32>>,
% io:format("pack magic: entries:~B, bytes:~B\n", [EntryCount, Bytes]),
{Magic,Index, Data}.
rpm_pack_header0([], Index, Data, _) ->
{lists:reverse([rpm_pack_index(I) || I <- Index]), lists:reverse(Data)};
rpm_pack_header0([{Key,{bin,Value}}|Headers], Index, Data, Offset) when is_binary(Value) ->
rpm_pack_header0(Headers, [{Key,bin,Offset,size(Value)}|Index], [Value|Data], Offset + size(Value));
rpm_pack_header0([{Key,Value}|Headers], Index, Data, Offset) when is_integer(Value) ->
Align = rpm_align(4, Offset),
% Align = <<>>,
rpm_pack_header0(Headers, [{Key,int32,Offset+size(Align),1}|Index], [<<Value:32>>, Align|Data], Offset + size(Align) + 4);
rpm_pack_header0([{Key,{int16, Values}}|Headers], Index, Data, Offset) ->
Align = rpm_align(2, Offset),
% Align = <<>>,
rpm_pack_header0(Headers, [{Key,int16,Offset+size(Align),length(Values)}|Index], [[<<V:16>> || V <- Values],Align|Data], Offset + size(Align) + 2*length(Values));
rpm_pack_header0([{Key,[Value|_] = Values}|Headers], Index, Data, Offset) when is_integer(Value) ->
Align = rpm_align(4, Offset),
% Align = <<>>,
rpm_pack_header0(Headers, [{Key,int32,Offset+size(Align),length(Values)}|Index], [[<<V:32>> || V <- Values],Align|Data], Offset + size(Align) + 4*length(Values));
rpm_pack_header0([{Key,Value}|Headers], Index, Data, Offset) when is_binary(Value) ->
String = <<Value/binary, 0>>,
Pad = <<>>,
rpm_pack_header0(Headers, [{Key,string,Offset,1}|Index], [Pad,String|Data], Offset + size(String)+size(Pad));
rpm_pack_header0([{Key,[Value|_] = Values}|Headers], Index, Data, Offset) when is_binary(Value) ->
Size = lists:sum([size(V) + 1 || V <- Values]),
rpm_pack_header0(Headers, [{Key,string_array,Offset,length(Values)}|Index], [[<<V/binary, 0>> || V <- Values]|Data], Offset + Size).
rpm_align(N, Offset) when Offset rem N == 0 -> <<>>;
rpm_align(N, Offset) -> binary:copy(<<0>>, N - (Offset rem N)).
rpm_pack_index({Tag, Type, Offset, Count}) ->
<<(rpm_write_tag(Tag)):32, (rpm_write_type(Type)):32, Offset:32, Count:32>>.
% $$$$$$$\ $$\ $$$$$$$$\
% $$ __$$\ $$ | \__$$ __|
% $$ | $$ | $$$$$$\ $$$$$$\ $$$$$$\ $$ |$$\ $$\ $$$$$$\ $$$$$$\ $$$$$$$\
% $$ | $$ | \____$$\\_$$ _| \____$$\ $$ |$$ | $$ |$$ __$$\ $$ __$$\ $$ _____|
% $$ | $$ | $$$$$$$ | $$ | $$$$$$$ | $$ |$$ | $$ |$$ / $$ |$$$$$$$$ |\$$$$$$\
% $$ | $$ |$$ __$$ | $$ |$$\ $$ __$$ | $$ |$$ | $$ |$$ | $$ |$$ ____| \____$$\
% $$$$$$$ |\$$$$$$$ | \$$$$ |\$$$$$$$ | $$ |\$$$$$$$ |$$$$$$$ |\$$$$$$$\ $$$$$$$ |
% \_______/ \_______| \____/ \_______| \__| \____$$ |$$ ____/ \_______|\_______/
% $$\ $$ |$$ |
% \$$$$$$ |$$ |
% \______/ \__|
rpm_write_type(T) when is_atom(T) ->
case lists:keyfind(T, 2, rpm_types()) of
{I,T} -> I;
false -> error({unknown_type, T})
end.
rpm_types() ->
[{0,null},
{1,char},
{2,int8},
{3,int16},
{4,int32},
{5,int64},
{6,string},
{7,bin},
{8,string_array},
{9,i18n_string}
].
% $$$$$$$$\
% \__$$ __|
% $$ | $$$$$$\ $$$$$$\ $$$$$$$\
% $$ | \____$$\ $$ __$$\ $$ _____|
% $$ | $$$$$$$ |$$ / $$ |\$$$$$$\
% $$ |$$ __$$ |$$ | $$ | \____$$\
% $$ |\$$$$$$$ |\$$$$$$$ |$$$$$$$ |
% \__| \_______| \____$$ |\_______/
% $$\ $$ |
% \$$$$$$ |
% \______/
rpm_write_tag(T) when is_atom(T) ->
case lists:keyfind(T,2,rpm_tags()) of
{I,T} -> I;
false ->
case lists:keyfind(T,2,rpm_signature_tags()) of
{I,T} -> I;
false -> error({unknown_tag,T})
end
end.