In case anyone is interested in testing bootstraps of the revised
sandboxing patches applied to the current fink 0.41.0 sources, the
attached fink_sandboxing_v4.diff is identical to
fink_sandboxing_v3.diff with the following fink.sb.5.in manage
corrections...
--- fink_sandboxing_v3.diff 2016-11-06 19:55:56.000000000 -0500
+++ fink_sandboxing_v4.diff 2016-11-07 11:01:56.000000000 -0500
@@ -36,7 +36,7 @@
+/opt/local
diff -uNr fink-0.41.0.orig/fink.sb.5.in fink-0.41.0/fink.sb.5.in
--- fink-0.41.0.orig/fink.sb.5.in 1969-12-31 19:00:00.000000000 -0500
-+++ fink-0.41.0/fink.sb.5.in 2016-11-06 18:40:34.000000000 -0500
++++ fink-0.41.0/fink.sb.5.in 2016-11-07 11:00:48.000000000 -0500
@@ -0,0 +1,56 @@
+.\" -*- nroff -*-
+.Dd November 2011
@@ -53,17 +53,17 @@
+.\"
+.\"
+.Sh DESCRIPTION
-+When
++The
+.Xr fink 8
-+is initially installed it prompts you for whether you wish to enable the
-+building of packages within a protected sandbox which blacklists access to
-+those directories listed in
++packaging system defaults to compiling packages within a protected
sandbox that blacklists
++access to directories listed in
+.Nm
-+by hand. In general, these options are meant for advanced users only.
++In general, modifying the list of blacklisted directories meant for
advanced users only.
+.Pp
-+Your
++The default
+.Nm
-+defaults to blacklisting the following directories
++blacklists the following directories
++
+.Bl -tag -width flag -offset indent -compact
+.It /usr/local
+.It /opt/local
I would be curious to hear about success or failure reports. I have no
issues bootstrapping and using the sandboxing.
Just make sure to grab the sandbox friendly updates for gcc5/gcc6 and
llvm-gcc42 from
https://sourceforge.net/p/fink/package-submissions/4835/
https://sourceforge.net/p/fink/package-submissions/4834/
On Sun, Nov 6, 2016 at 10:34 PM, Jack Howarth <howarth.at.f...@gmail.com> wrote:
> Daniel and Alexander,
> The attached patch reworks the previously proposed sandboxing
> support by...
>
> 1) Enabling the sandbox usage by default (except during fink bootstraps)
> 2) Adding a 'NoSandbox' field for the Info files which can be used to
> disable the sandbox on a per package basis.
> 3) Retaining the --build-in-sandbox/--no-build-in-sandbox fink flags
> which override the other settings.
>
> The --no-build-in-sandbox fink flag can be used to disable the sandbox
> in any fink build while the --build-in-sandbox fink flag can be used
> to override 'NoSandbox: true' in a particular info file.
>
> The attached fink_sandboxing_v3.diff, applied to stock fink-0.41.0,
> has been verified to bootstrap on 10.11 and exhibit the behaviors
> described above.
> Jack
diff -uNr fink-0.41.0.orig/MANIFEST fink-0.41.0/MANIFEST
--- fink-0.41.0.orig/MANIFEST 2016-09-20 14:16:24.000000000 -0400
+++ fink-0.41.0/MANIFEST 2016-11-06 18:40:34.000000000 -0500
@@ -24,6 +24,8 @@
fink.8.in
fink.conf.5.in
fink.csh
+fink.sb
+fink.sb.5.in
fink.sh
images/finkDoneFailed.png
images/finkDonePassed.png
diff -uNr fink-0.41.0.orig/fink.8.in fink-0.41.0/fink.8.in
--- fink-0.41.0.orig/fink.8.in 2016-09-20 14:16:24.000000000 -0400
+++ fink-0.41.0/fink.8.in 2016-11-06 18:40:34.000000000 -0500
@@ -103,6 +103,14 @@
.It Cm --no-build-as-nobody
Force the the unpack, patch, compile, and install phases to be
performed as root.
+.It Cm --build-in-sandbox
+Execute packaging within a sandbox which blacklists read access to
+those directories listed in
+.Pa @PREFIX@/etc/fink.sb.
+.It Cm --no-build-in-sandbox
+Don't execute within a sandbox, opposite of the
+.Cm --build-in-sandbox
+flag.
.It Cm -m, --maintainer
Perform actions useful to package maintainers: run validation on
the .info file before building and on the .deb after building a
diff -uNr fink-0.41.0.orig/fink.sb fink-0.41.0/fink.sb
--- fink-0.41.0.orig/fink.sb 1969-12-31 19:00:00.000000000 -0500
+++ fink-0.41.0/fink.sb 2016-11-06 18:40:34.000000000 -0500
@@ -0,0 +1,2 @@
+/usr/local
+/opt/local
diff -uNr fink-0.41.0.orig/fink.sb.5.in fink-0.41.0/fink.sb.5.in
--- fink-0.41.0.orig/fink.sb.5.in 1969-12-31 19:00:00.000000000 -0500
+++ fink-0.41.0/fink.sb.5.in 2016-11-07 11:00:48.000000000 -0500
@@ -0,0 +1,56 @@
+.\" -*- nroff -*-
+.Dd November 2011
+.Dt FINK.SB 5
+.Sh NAME
+.Nm fink.sb
+.Nd sandboxing configuration file for
+.Xr fink 8
+.Sh SYNOPSIS
+@PREFIX@/etc/fink.sb
+.\"
+.\"
+.\" DESCRIPTION
+.\"
+.\"
+.Sh DESCRIPTION
+The
+.Xr fink 8
+packaging system defaults to compiling packages within a protected sandbox
that blacklists
+access to directories listed in
+.Nm
+In general, modifying the list of blacklisted directories meant for advanced
users only.
+.Pp
+The default
+.Nm
+blacklists the following directories
+
+.Bl -tag -width flag -offset indent -compact
+.It /usr/local
+.It /opt/local
+.El
+.Pp
+The blacklisted directories appear one per line in the file.
+.El
+.\"
+.\"
+.\" AUTHOR
+.\"
+.\"
+.Sh AUTHOR
+This manpage is maintained by the Fink Core Group
<fink-c...@lists.sourceforge.net>.
+.\"
+.\"
+.\" ACKNOWLEDGEMENTS
+.\"
+.\"
+.Sh ACKNOWLEDGEMENTS
+.Nm fink
+is developed and maintained by The Fink Project (http://www.finkproject.org).
+.\"
+.\"
+.\" SEE ALSO
+.\"
+.\"
+.Sh "SEE ALSO"
+.Xr apt-get 8 ,
+.Xr fink 8
diff -uNr fink-0.41.0.orig/install.sh fink-0.41.0/install.sh
--- fink-0.41.0.orig/install.sh 2016-09-20 14:16:24.000000000 -0400
+++ fink-0.41.0/install.sh 2016-11-06 18:40:34.000000000 -0500
@@ -70,8 +70,10 @@
install -c -p -m 755 postinstall.pl "$basepath/lib/fink/"
install -c -p -m 644 shlibs.default "$basepath/etc/dpkg/"
+install -c -p -m 644 fink.sb "$basepath/etc/"
install -c -p -m 644 fink.8 "$basepath/share/man/man8/"
install -c -p -m 644 fink.conf.5 "$basepath/share/man/man5/"
+install -c -p -m 644 fink.sb.5 "$basepath/share/man/man5/"
install -c -p -m 644 images/*.png "$basepath/share/fink/images/"
# copy executables
diff -uNr fink-0.41.0.orig/perlmod/Fink/Bootstrap.pm
fink-0.41.0/perlmod/Fink/Bootstrap.pm
--- fink-0.41.0.orig/perlmod/Fink/Bootstrap.pm 2016-09-20 14:16:24.000000000
-0400
+++ fink-0.41.0/perlmod/Fink/Bootstrap.pm 2016-11-06 18:58:41.000000000
-0500
@@ -500,6 +500,8 @@
Fink::Config::set_options( { 'use_binary' => -1 });
# bootstrap as root
Fink::Config::set_options( { 'build_as_nobody' => 0 });
+ # don't use sandbox during bootstrap
+ Fink::Config::set_options( { 'build_in_sandbox' => 0 });
# make sure we have the package descriptions
Fink::Package->require_packages();
@@ -581,6 +583,8 @@
# bootstrap as root
Fink::Config::set_options( { 'build_as_nobody' => 0 });
+ # don't use sandbox during bootstrap
+ Fink::Config::set_options( { 'build_in_sandbox' => 0 });
# use normal install routines, but do not use buildlocks
Fink::Config::set_options( { 'no_buildlock' => 1 } );
Fink::Engine::cmd_install(@elist, @addlist);
diff -uNr fink-0.41.0.orig/perlmod/Fink/Config.pm
fink-0.41.0/perlmod/Fink/Config.pm
--- fink-0.41.0.orig/perlmod/Fink/Config.pm 2016-09-20 14:16:24.000000000
-0400
+++ fink-0.41.0/perlmod/Fink/Config.pm 2016-11-06 18:40:34.000000000 -0500
@@ -219,6 +219,7 @@
map( { $_ => 0 } qw(dontask interactive verbosity keep_build keep_root
maintainermode showversion use_binary) ),
map( { $_ => 1 } qw(build_as_nobody) ),
+ map( { $_ => -1 } qw(build_in_sandbox) ),
map( { $_ => "" } qw(tests validate) ),
map ( { $_ => [] } qw(include_trees exclude_trees) ),
map( { $_ => -1 } qw(use_binary) ),
@@ -272,6 +273,7 @@
'download pre-compiled packages from the binary
distribution '
. 'if available' ],
[ 'build-as-nobody!' => \$opts{build_as_nobody}, 'see
man page' ],
+ [ 'build-in-sandbox!' => \$opts{build_in_sandbox}, 'see man
page' ],
[ 'maintainer|m' => sub {set_checking_opts(\%opts, @_);},
'see man page' ],
[ 'tests:s' => sub {set_checking_opts(\%opts, @_);},
'see man page' ],
[ 'validate:s' => sub {set_checking_opts(\%opts, @_);},
'see man page' ],
diff -uNr fink-0.41.0.orig/perlmod/Fink/PkgVersion.pm
fink-0.41.0/perlmod/Fink/PkgVersion.pm
--- fink-0.41.0.orig/perlmod/Fink/PkgVersion.pm 2016-09-20 14:16:24.000000000
-0400
+++ fink-0.41.0/perlmod/Fink/PkgVersion.pm 2016-11-06 18:40:34.000000000
-0500
@@ -4036,6 +4036,9 @@
}
}
+ # switch everything back to sandbox builds if we were --build-in-sandbox
+ my $build_wo_sandbox =
$self->get_family_parent()->param_boolean("NoSandbox", 0);
+
# put the info file into the debian directory
if (-d "$destdir/DEBIAN") {
my $infofile = $self->get_filename();
@@ -5218,6 +5221,7 @@
my $phase = shift;
my $no_expand = shift || 0;
my $nonroot_okay = shift || 0;
+ my $no_sandbox_okay = shift || 0;
my $ignore_result = shift || 0;
# Expand percent shortcuts
@@ -5227,10 +5231,13 @@
my $result;
# Don't build as nobody if BuildAsNobody: false
my $build_as_nobody =
$self->get_family_parent()->param_boolean("BuildAsNobody", 1);
+ # Build in sandbox if NoSandbox: false
+ my $build_wo_sandbox =
$self->get_family_parent()->param_boolean("NoSandbox", 0);
$nonroot_okay = $nonroot_okay && $build_as_nobody;
+ $no_sandbox_okay = $build_wo_sandbox;
{
local %ENV = %{$self->get_env($phase)};
- $result = &execute($script, nonroot_okay=>$nonroot_okay);
+ $result = &execute($script, nonroot_okay=>$nonroot_okay,
no_sandbox_okay=>$no_sandbox_okay);
}
if ($result and !$ignore_result) {
$self->package_error( phase => $phase );
diff -uNr fink-0.41.0.orig/perlmod/Fink/Services.pm
fink-0.41.0/perlmod/Fink/Services.pm
--- fink-0.41.0.orig/perlmod/Fink/Services.pm 2016-09-20 14:16:24.000000000
-0400
+++ fink-0.41.0/perlmod/Fink/Services.pm 2016-11-06 18:40:34.000000000
-0500
@@ -514,6 +514,11 @@
the --build-as-nobody flag, drop to user=nobody when running the
actual commands.
+=item no_sandbox_okay
+
+If the value of the option 'no_sandbox_okay' is true, fink was run with
+the --no-build-in-sandbox flag.
+
=item delete_tempfile
Whether to delete temp-files that are created. The following values
@@ -594,6 +599,33 @@
@wrap = map "$_=$ENV{$_}", sort keys %ENV;
push @wrap, "__CFPREFERENCES_AVOID_DAEMON=1";
unshift @wrap, 'env' if @wrap;
+ my $runtime_request =
Fink::Config::get_option("build_in_sandbox");
+ my $sandbox_request;
+ if ($runtime_request == 1) { # --build-in-sandbox
+ $sandbox_request = 1;
+ } elsif ($runtime_request == 0) { # -no-build-in-sandbox
+ $sandbox_request = 0;
+ } elsif ($options{'no_sandbox_okay'}) { # NoSandbox: true in
info file
+ $sandbox_request = 0;
+ } else {
+ $sandbox_request = 1;
+ }
+ if ( $sandbox_request ) {
+ my $sandbox = "$Fink::Config::basepath/etc/fink.sb";
+ if (open my $info, $sandbox) {
+ my $sandbox_profile = "(version 1) \n";
+ $sandbox_profile .= "(allow default) \n";
+ $sandbox_profile .= "(deny file* \n";
+ while( my $line = <$info>) {
+ chomp $line;
+ $sandbox_profile .= "\t(subpath
\"".$line."\"\)\n";
+ }
+ $sandbox_profile .= "\)\n";
+ close $info;
+ print STDERR $sandbox_profile, "\n" if
($options{debug});
+ @wrap = (qw| sandbox-exec -p |,
$sandbox_profile, @wrap) if -f $sandbox;
+ }
+ }
my $sudo_cmd = "sudo -u " .
Fink::Config::build_as_user_group()->{'user'};
@wrap = (split(' ', $sudo_cmd), @wrap, qw/ sh -c /);
$wrap_token = "$sudo_cmd [ENV] sh -c ";
diff -uNr fink-0.41.0.orig/perlmod/Fink/Validation.pm
fink-0.41.0/perlmod/Fink/Validation.pm
--- fink-0.41.0.orig/perlmod/Fink/Validation.pm 2016-09-20 14:16:24.000000000
-0400
+++ fink-0.41.0/perlmod/Fink/Validation.pm 2016-11-06 18:40:34.000000000
-0500
@@ -66,7 +66,7 @@
# All fields that expect a boolean value
our %boolean_fields = map {$_, 1}
(
- qw(builddependsonly essential nosourcedirectory
updateconfigguess updatelibtool updatepod noperltests usemaxbuildjobs
buildasnobody),
+ qw(builddependsonly essential nosourcedirectory
updateconfigguess updatelibtool updatepod noperltests usemaxbuildjobs
buildasnobody nosandbox),
map {"noset".$_} @set_vars
);
@@ -198,6 +198,7 @@
'noperltests',
'usemaxbuildjobs',
'buildasnobody',
+ 'nosandbox',
# install phase:
'updatepod',
'installscript',
diff -uNr fink-0.41.0.orig/setup.sh fink-0.41.0/setup.sh
--- fink-0.41.0.orig/setup.sh 2016-09-20 14:16:24.000000000 -0400
+++ fink-0.41.0/setup.sh 2016-11-06 18:40:34.000000000 -0500
@@ -70,6 +70,10 @@
| perl -MTime::Local -MPOSIX=strftime -p -e '$d="Date:";if (s/(\.Dd \$$d)
(\d+)\/(\d+)\/(\d+) (\d+):(\d+):(\d+) \$/\1/) {$epochtime =
timegm($7,$6,$5,$4,$3-1,$2-1900);$datestr = strftime "%B %e, %Y",
localtime($epochtime); s/(\.Dd )\$$d/$1$datestr/;}' \
>fink.conf.5
+sed "s|@PREFIX@|$basepath|g" <fink.sb.5.in \
+ | perl -MTime::Local -MPOSIX=strftime -p -e '$d="Date:";if (s/(\.Dd \$$d)
(\d+)\/(\d+)\/(\d+) (\d+):(\d+):(\d+) \$/\1/) {$epochtime =
timegm($7,$6,$5,$4,$3-1,$2-1900);$datestr = strftime "%B %e, %Y",
localtime($epochtime); s/(\.Dd )\$$d/$1$datestr/;}' \
+ >fink.sb.5
+
echo "Creating shlibs default file..."
sed "s|@PREFIX@|$basepath|g" <shlibs.default.in >shlibs.default
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