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[tor-commits] [tor-browser-bundle/master] Bug 13379: Sign our MAR files.
commit d852329ac0979d8005e9e8bdd9b3f8a049fc2db4
Author: Kathy Brade <brade@xxxxxxxxxxxxxxxxx>
Date: Wed Dec 17 16:57:28 2014 -0500
Bug 13379: Sign our MAR files.
In the Linux mar-tools package, include certutil, signmar, and the required
NSS and NSPR libraries.
Change update_responses to select the action to be done based on the
program name, thereby separating the incremental MAR file generation (done
via a new 'gen_incrementals' symlink) from the htdocs generation. Also added
an 'update_responses' make target. Thanks to boklm for help with this.
Add a series of 'signmar' make targets which run a new signmars.sh script,
which does the following:
1. Prompts for an NSS password (the script assumes that an nssdb directory
exists that contains the signing key/cert).
2. Moves original (unsigned) MAR files to a TORBROWSER_VERSION-unsigned/
directory.
3. Signs each of the MAR files, placing the signed files in the
TORBROWSER_VERSION/ directory.
You may set NSS_DB_DIR and/or NSS_CERTNAME before running signmars.sh; the
defaults are ./nssdb and marsigner
---
gitian/Makefile | 15 +++
gitian/descriptors/linux/gitian-firefox.yml | 11 +++
gitian/signmars.sh | 135 +++++++++++++++++++++++++++
tools/update-responses/gen_incrementals | 1 +
tools/update-responses/update_responses | 34 +++++--
5 files changed, 189 insertions(+), 7 deletions(-)
diff --git a/gitian/Makefile b/gitian/Makefile
index 2c17656..9613db6 100644
--- a/gitian/Makefile
+++ b/gitian/Makefile
@@ -33,6 +33,21 @@ build-beta:
./hash-bundles.sh versions.beta
incrementals:
+ ../tools/update-responses/gen_incrementals
+
+signmars:
+ ./signmars.sh versions
+
+signmars-alpha:
+ ./signmars.sh versions.alpha
+
+signmars-beta:
+ ./signmars.sh versions.beta
+
+signmars-nightly:
+ ./signmars.sh versions.nightly
+
+update_responses:
../tools/update-responses/update_responses
hash:
diff --git a/gitian/descriptors/linux/gitian-firefox.yml b/gitian/descriptors/linux/gitian-firefox.yml
index 5f96b6e..a1abf2e 100644
--- a/gitian/descriptors/linux/gitian-firefox.yml
+++ b/gitian/descriptors/linux/gitian-firefox.yml
@@ -136,12 +136,23 @@ script: |
rm -f $INSTDIR/Browser/*.chk
#
# Make MAR-based update tools available for use during the bundle phase.
+ # Note that mar and mbsdiff are standalone tools, compiled for the build
+ # host's architecture. We also include signmar, certutil, and the libraries
+ # they require; these utilities and libraries are built for the target
+ # architecture.
MARTOOLS=~/build/mar-tools
mkdir -p $MARTOOLS
cp -p config/createprecomplete.py $MARTOOLS/
cp -p tools/update-packaging/*.sh $MARTOOLS/
cp -p obj-*/dist/host/bin/mar $MARTOOLS/
cp -p obj-*/dist/host/bin/mbsdiff $MARTOOLS/
+ cp -p obj-*/modules/libmar/tool/signmar $MARTOOLS/
+ cp -p obj-*/security/nss/cmd/certutil/certutil $MARTOOLS/
+ NSS_LIBS="libfreebl3.so libmozsqlite3.so libnss3.so libnssdbm3.so libnssutil3.so libsmime3.so libsoftokn3.so libssl3.so"
+ NSPR_LIBS="libnspr4.so libplc4.so libplds4.so"
+ for LIB in $NSS_LIBS $NSPR_LIBS; do
+ cp -p obj-*/dist/bin/$LIB $MARTOOLS/
+ done
cd ~/build
zip -r mar-tools-linux${GBUILD_BITS}.zip mar-tools
cp -p mar-tools-linux${GBUILD_BITS}.zip $OUTDIR/
diff --git a/gitian/signmars.sh b/gitian/signmars.sh
new file mode 100755
index 0000000..fdb531e
--- /dev/null
+++ b/gitian/signmars.sh
@@ -0,0 +1,135 @@
+#!/bin/bash
+#
+#
+# You may set NSS_DB_DIR and/or NSS_CERTNAME before invoking this script.
+
+set -e
+set -u
+
+WRAPPER_DIR=$(dirname "$0")
+WRAPPER_DIR=$(readlink -e "$WRAPPER_DIR")
+
+if [ -z "${NSS_DB_DIR+x}" ]; then
+ NSS_DB_DIR=$WRAPPER_DIR/nssdb
+fi
+
+if [ -z "${NSS_CERTNAME+x}" ]; then
+ NSS_CERTNAME=marsigner
+fi
+
+# Incorporate definitions from the versions file.
+if [ -z "$1" ]; then
+ VERSIONS_FILE=$WRAPPER_DIR/versions
+else
+ VERSIONS_FILE=$1
+fi
+
+if ! [ -e $VERSIONS_FILE ]; then
+ echo >&2 "Error: $VERSIONS_FILE file does not exist"
+ exit 1
+fi
+
+. $VERSIONS_FILE
+
+export LC_ALL=C
+
+# Check some prerequisites.
+if [ ! -r "$NSS_DB_DIR/cert8.db" ]; then
+ >&2 echo "Please create and populate the $NSS_DB_DIR directory"
+ exit 2
+fi
+
+OSNAME=""
+ARCH="$(uname -s)-$(uname -m)"
+case $ARCH in
+ Linux-x86_64)
+ OSNAME="linux64"
+ ;;
+ Linux-i*86)
+ OSNAME="linux32"
+ ;;
+ *)
+ >&2 echo "Unsupported architecture $ARCH"
+ exit 2
+esac
+
+# Extract the MAR tools so we can use the signmar program.
+MARTOOLS_TMP_DIR=$(mktemp -d)
+trap "rm -rf $MARTOOLS_TMP_DIR" EXIT
+MARTOOLS_ZIP="$WRAPPER_DIR/../../gitian-builder/inputs/mar-tools-${OSNAME}.zip"
+cd $MARTOOLS_TMP_DIR
+unzip -q "$MARTOOLS_ZIP"
+cd $WRAPPER_DIR
+export PATH="$MARTOOLS_TMP_DIR/mar-tools:$PATH"
+if [ -z "${LD_LIBRARY_PATH+x}" ]; then
+ export LD_LIBRARY_PATH="$MARTOOLS_TMP_DIR/mar-tools"
+else
+ export LD_LIBRARY_PATH="$MARTOOLS_TMP_DIR/mar-tools:$LD_LIBRARY_PATH"
+fi
+
+# Prompt for the NSS password.
+# TODO: Test that the entered NSS password is correct. But how? Unfortunately,
+# both certutil and signmar keep trying to read a new password when they are
+# given an incorrect one.
+read -s -p "NSS password:" NSSPASS
+echo ""
+
+# Sign each MAR file.
+#
+# Our strategy is to first move all .mar files out of the TORBROWSER_VERSION
+# directory into a TORBROWSER_VERSION-unsigned/ directory. Details:
+# If a file has not been signed, we move it to the -unsigned/ directory.
+# If a file has already been signed and a file with the same name exists in
+# the -unsigned/ directory, we just delete the signed file.
+# If a file has already been signed but no corresponding file exists in
+# the -unsigned/ directory, we report an error and exit.
+#
+# Once the above is done, the -unsigned/ directory contains a set of .mar
+# files that need to be signed, so we go ahead and sign them one-by-one.
+SIGNED_DIR="$WRAPPER_DIR/$TORBROWSER_VERSION"
+UNSIGNED_DIR="$WRAPPER_DIR/${TORBROWSER_VERSION}-unsigned"
+mkdir -p "$UNSIGNED_DIR"
+cd "$SIGNED_DIR"
+for marfile in *.mar; do
+ if [ ! -f "$marfile" ]; then
+ continue;
+ fi
+
+ # First, we check for an existing signature. The signmar -T output will
+ # include a line like "Signature block found with N signatures".
+ SIGINFO_PREFIX="Signature block found with "
+ SIGINFO=$(signmar -T "$marfile" | grep "^${SIGINFO_PREFIX}")
+ SIGCOUNT=0
+ if [ ! -z "$SIGINFO" ]; then
+ SIGCOUNT=$(echo $SIGINFO | sed -e "s/${SIGINFO_PREFIX}//" -e 's/\([0-9]*\).*$/\1/')
+ fi
+ if [ $SIGCOUNT -eq 0 ]; then
+ # No signature; move this .mar file to the -unsigned/ directory.
+ mv "$marfile" "$UNSIGNED_DIR/"
+ elif [ -e "$UNSIGNED_DIR/$marfile" ]; then
+ # We have an -unsigned/ copy; discard this file.
+ rm "$marfile"
+ else
+ >&2 echo "Error: $SIGNED_DIR/$marfile is already signed but $UNSIGNED_DIR/$marfile is missing"
+ # TODO: Try to remove the existing signature(s) from marfile?
+ exit 1
+ fi
+done
+
+# Use signmar to sign each .mar file that is now in the -unsigned directory.
+TMPMAR="$SIGNED_DIR/tmp.mar"
+trap "rm -f $TMPMAR" EXIT
+cd "$UNSIGNED_DIR"
+COUNT=0
+for marfile in *.mar; do
+ if [ ! -f "$marfile" ]; then
+ continue;
+ fi
+ echo "$NSSPASS" | signmar -d "$NSS_DB_DIR" -n "$NSS_CERTNAME" -s \
+ "$marfile" "$TMPMAR"
+ mv "$TMPMAR" "$SIGNED_DIR/$marfile"
+ COUNT=$((COUNT + 1))
+done
+
+echo "The $COUNT MAR files located in $SIGNED_DIR/ have been signed."
+echo "The unsigned (original) MAR files are in $UNSIGNED_DIR/"
diff --git a/tools/update-responses/gen_incrementals b/tools/update-responses/gen_incrementals
new file mode 120000
index 0000000..3766925
--- /dev/null
+++ b/tools/update-responses/gen_incrementals
@@ -0,0 +1 @@
+update_responses
\ No newline at end of file
diff --git a/tools/update-responses/update_responses b/tools/update-responses/update_responses
index b28b575..5b85037 100755
--- a/tools/update-responses/update_responses
+++ b/tools/update-responses/update_responses
@@ -1,6 +1,7 @@
#!/usr/bin/perl -w
use strict;
+use English;
use FindBin;
use YAML qw(LoadFile);
use File::Slurp;
@@ -13,6 +14,7 @@ use File::Which;
use POSIX qw(setlocale LC_ALL);
use IO::CaptureOutput qw(capture_exec);
use Parallel::ForkManager;
+use File::Basename;
# Set umask and locale to provide a consistent environment for MAR file
# generation, etc.
@@ -158,7 +160,7 @@ sub create_incremental_mar {
$pm->finish;
}
-sub create_missing_incremental_mars {
+sub create_missing_incremental_mars_for_version {
my ($config, $version) = @_;
my $pm = Parallel::ForkManager->new(get_nbprocs);
$pm->run_on_finish(sub { $_[2]->(@_) });
@@ -178,6 +180,14 @@ sub create_missing_incremental_mars {
$pm->wait_all_children;
}
+sub create_all_missing_incremental_mars {
+ my ($config) = @_;
+ foreach my $version (values %{$config->{channels}}) {
+ get_version_files($config, $version);
+ create_missing_incremental_mars_for_version($config, $version);
+ }
+}
+
sub get_config {
my ($config, $version, $os, $name) = @_;
return $config->{versions}{$version}{$os}{$name}
@@ -224,7 +234,6 @@ sub write_responses {
my ($config) = @_;
foreach my $version (values %{$config->{channels}}) {
get_version_files($config, $version);
- create_missing_incremental_mars($config, $version);
my $files = $config->{versions}{$version}{files};
my $migrate_archs = $config->{versions}{$version}{migrate_archs} // {};
foreach my $old_os (keys %$migrate_archs) {
@@ -309,8 +318,19 @@ sub extract_martools {
$ENV{PATH} .= ":$martools_tmpdir/mar-tools";
}
-extract_martools;
-check_deps;
-write_responses($config);
-write_htaccess($config);
-clean_htdocs;
+my %actions = (
+ update_responses => sub {
+ write_responses(@_);
+ write_htaccess(@_);
+ clean_htdocs;
+ },
+ gen_incrementals => sub {
+ extract_martools;
+ check_deps;
+ create_all_missing_incremental_mars(@_);
+ },
+);
+
+my $action = fileparse($PROGRAM_NAME);
+exit_error "Unknown action $action" unless $actions{$action};
+$actions{$action}->($config);
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