Adding debian version 5.10.209-2.debian/5.10.209-2debian

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 369 insertions, 0 deletions

diff --git a/debian/bin/gencontrol_signed.py b/debian/bin/gencontrol_signed.py
new file mode 100755
index 000000000..75d9112cb
--- /dev/null
+++ b/debian/bin/gencontrol_signed.py
@@ -0,0 +1,369 @@
+#!/usr/bin/python3
+
+import codecs
+import hashlib
+import io
+import json
+import os.path
+import re
+import ssl
+import subprocess
+import sys
+
+from debian_linux.config import ConfigCoreDump
+from debian_linux.debian import PackageRelation, VersionLinux
+from debian_linux.gencontrol import Gencontrol as Base, merge_packages, \
+    iter_flavours
+from debian_linux.utils import Templates, read_control
+
+
+class Gencontrol(Base):
+    def __init__(self, arch):
+        super(Gencontrol, self).__init__(
+            ConfigCoreDump(fp=open('debian/config.defines.dump', 'rb')),
+            Templates(['debian/signing_templates', 'debian/templates']))
+
+        image_binary_version = self.changelog[0].version.complete
+
+        config_entry = self.config[('version',)]
+        self.version = VersionLinux(config_entry['source'])
+
+        # Check config version matches changelog version
+        assert self.version.complete == re.sub(r'\+b\d+$', r'',
+                                               image_binary_version)
+
+        self.abiname = config_entry['abiname']
+        self.vars = {
+            'template': 'linux-image-%s-signed-template' % arch,
+            'upstreamversion': self.version.linux_upstream,
+            'version': self.version.linux_version,
+            'source_basename': re.sub(r'-[\d.]+$', '',
+                                      self.changelog[0].source),
+            'source_upstream': self.version.upstream,
+            'abiname': self.abiname,
+            'imagebinaryversion': image_binary_version,
+            'imagesourceversion': self.version.complete,
+            'arch': arch,
+        }
+        self.vars['source_suffix'] = \
+            self.changelog[0].source[len(self.vars['source_basename']):]
+
+        self.package_dir = 'debian/%(template)s' % self.vars
+        self.template_top_dir = (self.package_dir
+                                 + '/usr/share/code-signing/%(template)s'
+                                 % self.vars)
+        self.template_debian_dir = (self.template_top_dir
+                                    + '/source-template/debian')
+        os.makedirs(self.template_debian_dir, exist_ok=True)
+
+        self.image_packages = []
+
+    def do_main_setup(self, vars, makeflags, extra):
+        makeflags['VERSION'] = self.version.linux_version
+        makeflags['GENCONTROL_ARGS'] = (
+            '-v%(imagebinaryversion)s '
+            '-DBuilt-Using="linux (= %(imagesourceversion)s)"' %
+            vars)
+        makeflags['PACKAGE_VERSION'] = vars['imagebinaryversion']
+
+        self.installer_packages = {}
+
+        if os.getenv('DEBIAN_KERNEL_DISABLE_INSTALLER'):
+            if self.changelog[0].distribution == 'UNRELEASED':
+                import warnings
+                warnings.warn('Disable installer modules on request '
+                              '(DEBIAN_KERNEL_DISABLE_INSTALLER set)')
+            else:
+                raise RuntimeError(
+                    'Unable to disable installer modules in release build '
+                    '(DEBIAN_KERNEL_DISABLE_INSTALLER set)')
+        elif self.config.merge('packages').get('installer', True):
+            # Add udebs using kernel-wedge
+            kw_env = os.environ.copy()
+            kw_env['KW_DEFCONFIG_DIR'] = 'debian/installer'
+            kw_env['KW_CONFIG_DIR'] = 'debian/installer'
+            kw_proc = subprocess.Popen(
+                ['kernel-wedge', 'gen-control', vars['abiname']],
+                stdout=subprocess.PIPE,
+                env=kw_env)
+            if not isinstance(kw_proc.stdout, io.IOBase):
+                udeb_packages = read_control(io.open(kw_proc.stdout.fileno(),
+                                                     closefd=False))
+            else:
+                udeb_packages = read_control(io.TextIOWrapper(kw_proc.stdout))
+            kw_proc.wait()
+            if kw_proc.returncode != 0:
+                raise RuntimeError('kernel-wedge exited with code %d' %
+                                   kw_proc.returncode)
+
+            for package in udeb_packages:
+                for arch in package['Architecture']:
+                    if self.config.merge('build', arch) \
+                                  .get('signed-code', False):
+                        self.installer_packages.setdefault(arch, []) \
+                                               .append(package)
+
+    def do_main_packages(self, packages, vars, makeflags, extra):
+        # Assume that arch:all packages do not get binNMU'd
+        packages['source']['Build-Depends'].append(
+            'linux-support-%(abiname)s (= %(imagesourceversion)s)' % vars)
+
+    def do_main_recurse(self, packages, makefile, vars, makeflags, extra):
+        # Each signed source package only covers a single architecture
+        self.do_arch(packages, makefile, vars['arch'], vars.copy(),
+                     makeflags.copy(), extra)
+
+    def do_extra(self, packages, makefile):
+        pass
+
+    def do_arch_setup(self, vars, makeflags, arch, extra):
+        super(Gencontrol, self).do_main_setup(vars, makeflags, extra)
+
+        if self.version.linux_modifier is None:
+            abiname_part = '-%s' % self.config.merge('abi', arch)['abiname']
+        else:
+            abiname_part = ''
+        makeflags['ABINAME'] = vars['abiname'] = \
+            self.config['version', ]['abiname_base'] + abiname_part
+
+    def do_arch_packages(self, packages, makefile, arch, vars, makeflags,
+                         extra):
+        udeb_packages = self.installer_packages.get(arch, [])
+        if udeb_packages:
+            merge_packages(packages, udeb_packages, arch)
+
+            # These packages must be built after the per-flavour/
+            # per-featureset packages.  Also, this won't work
+            # correctly with an empty package list.
+            if udeb_packages:
+                makefile.add(
+                    'binary-arch_%s' % arch,
+                    cmds=["$(MAKE) -f debian/rules.real install-udeb_%s %s "
+                          "PACKAGE_NAMES='%s'" %
+                          (arch, makeflags,
+                           ' '.join(p['Package'] for p in udeb_packages))])
+
+    def do_featureset_setup(self, vars, makeflags, arch, featureset, extra):
+        self.default_flavour = self.config.merge('base', arch, featureset) \
+                                          .get('default-flavour')
+        if self.default_flavour is not None:
+            if featureset != 'none':
+                raise RuntimeError("default-flavour set for %s %s,"
+                                   " but must only be set for featureset none"
+                                   % (arch, featureset))
+            if self.default_flavour \
+               not in iter_flavours(self.config, arch, featureset):
+                raise RuntimeError("default-flavour %s for %s %s does not exist"
+                                   % (self.default_flavour, arch, featureset))
+
+    def do_flavour_setup(self, vars, makeflags, arch, featureset, flavour,
+                         extra):
+        super(Gencontrol, self).do_flavour_setup(vars, makeflags, arch,
+                                                 featureset, flavour, extra)
+
+        config_description = self.config.merge('description', arch, featureset,
+                                               flavour)
+        config_image = self.config.merge('image', arch, featureset, flavour)
+
+        vars['flavour'] = vars['localversion'][1:]
+        vars['class'] = config_description['hardware']
+        vars['longclass'] = (config_description.get('hardware-long')
+                             or vars['class'])
+
+        vars['image-stem'] = config_image.get('install-stem')
+        makeflags['IMAGE_INSTALL_STEM'] = vars['image-stem']
+
+    def do_flavour_packages(self, packages, makefile, arch, featureset,
+                            flavour, vars, makeflags, extra):
+        if not (self.config.merge('build', arch, featureset, flavour)
+                .get('signed-code', False)):
+            return
+
+        image_suffix = '%(abiname)s%(localversion)s' % vars
+        image_package_name = 'linux-image-%s-unsigned' % image_suffix
+
+        # Verify that this flavour is configured to support Secure Boot,
+        # and get the trusted certificates filename.
+        with open('debian/%s/boot/config-%s' %
+                  (image_package_name, image_suffix)) as f:
+            kconfig = f.readlines()
+        assert 'CONFIG_EFI_STUB=y\n' in kconfig
+        assert 'CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT=y\n' in kconfig
+        cert_re = re.compile(r'CONFIG_SYSTEM_TRUSTED_KEYS="(.*)"$')
+        cert_file_name = None
+        for line in kconfig:
+            match = cert_re.match(line)
+            if match:
+                cert_file_name = match.group(1)
+                break
+        assert cert_file_name
+        if featureset != "none":
+            cert_file_name = os.path.join('debian/build/source_%s' %
+                                          featureset,
+                                          cert_file_name)
+
+        self.image_packages.append((image_suffix, image_package_name,
+                                    cert_file_name))
+
+        packages['source']['Build-Depends'].append(
+            image_package_name
+            + ' (= %(imagebinaryversion)s) [%(arch)s]' % vars)
+
+        packages_own = self.process_packages(
+            self.templates['control.image'], vars)
+        assert len(packages_own) == 1
+        cmds_binary_arch = ["$(MAKE) -f debian/rules.real install-signed "
+                            "PACKAGE_NAME='%s' %s" %
+                            (packages_own[0]['Package'], makeflags)]
+
+        if self.config.merge('packages').get('meta', True):
+            packages_meta = self.process_packages(
+                self.templates['control.image.meta'], vars)
+            assert len(packages_meta) == 1
+            packages_meta += self.process_packages(
+                self.templates['control.headers.meta'], vars)
+            assert len(packages_meta) == 2
+
+            # Don't pretend to support build-profiles
+            for package in packages_meta:
+                del package['Build-Profiles']
+
+            if flavour == self.default_flavour \
+               and not self.vars['source_suffix']:
+                packages_meta[0].setdefault('Provides', PackageRelation()) \
+                                .append('linux-image-generic')
+                packages_meta[1].setdefault('Provides', PackageRelation()) \
+                                .append('linux-headers-generic')
+
+            packages_own.extend(packages_meta)
+
+            cmds_binary_arch += [
+                "$(MAKE) -f debian/rules.real install-meta "
+                "PACKAGE_NAME='%s' LINK_DOC_PACKAGE_NAME='%s' %s" %
+                (package['Package'], package['Depends'][0][0].name, makeflags)
+                for package in packages_meta
+            ]
+
+            self.substitute_debhelper_config(
+                'image.meta', vars,
+                'linux-image%(localversion)s' % vars,
+                output_dir=self.template_debian_dir)
+            self.substitute_debhelper_config(
+                'headers.meta', vars,
+                'linux-headers%(localversion)s' % vars,
+                output_dir=self.template_debian_dir)
+
+        merge_packages(packages, packages_own, arch)
+        makefile.add('binary-arch_%s_%s_%s_real' % (arch, featureset, flavour),
+                     cmds=cmds_binary_arch)
+
+        self.substitute_debhelper_config(
+            'image', vars,
+            'linux-image-%(abiname)s%(localversion)s' % vars,
+            output_dir=self.template_debian_dir)
+
+    def write(self, packages, makefile):
+        self.write_changelog()
+        self.write_control(packages.values(),
+                           name=(self.template_debian_dir + '/control'))
+        self.write_makefile(makefile,
+                            name=(self.template_debian_dir + '/rules.gen'))
+        self.write_files_json()
+
+    def write_changelog(self):
+        # Copy the linux changelog, but:
+        # * Change the source package name and version
+        # * Insert a line to refer to refer to the linux source version
+        vars = self.vars.copy()
+        vars['source'] = self.changelog[0].source
+        vars['distribution'] = self.changelog[0].distribution
+        vars['urgency'] = self.changelog[0].urgency
+        vars['signedsourceversion'] = \
+            re.sub(r'\+b(\d+)$', r'.b\1',
+                   re.sub(r'-', r'+', vars['imagebinaryversion']))
+
+        with codecs.open(self.template_debian_dir + '/changelog', 'w',
+                         'utf-8') as f:
+            f.write(self.substitute('''\
+linux-signed-@arch@ (@signedsourceversion@) @distribution@; urgency=@urgency@
+
+  * Sign kernel from @source@ @imagebinaryversion@
+
+''',
+                                    vars))
+
+            with codecs.open('debian/changelog', 'r', 'utf-8') as changelog_in:
+                # Ignore first two header lines
+                changelog_in.readline()
+                changelog_in.readline()
+
+                for d in changelog_in.read():
+                    f.write(d)
+
+    def write_files_json(self):
+        # Can't raise from a lambda function :-(
+        def raise_func(e):
+            raise e
+
+        # Some functions in openssl work with multiple concatenated
+        # PEM-format certificates, but others do not.
+        def get_certs(file_name):
+            certs = []
+            BEGIN, MIDDLE = 0, 1
+            state = BEGIN
+            with open(file_name) as f:
+                for line in f:
+                    if line == '-----BEGIN CERTIFICATE-----\n':
+                        assert state == BEGIN
+                        certs.append([])
+                        state = MIDDLE
+                    elif line == '-----END CERTIFICATE-----\n':
+                        assert state == MIDDLE
+                        state = BEGIN
+                    else:
+                        assert line[0] != '-'
+                        assert state == MIDDLE
+                    certs[-1].append(line)
+            assert state == BEGIN
+            return [''.join(cert_lines) for cert_lines in certs]
+
+        def get_cert_fingerprint(cert, algo):
+            hasher = hashlib.new(algo)
+            hasher.update(ssl.PEM_cert_to_DER_cert(cert))
+            return hasher.hexdigest()
+
+        all_files = {'packages': {}}
+
+        for image_suffix, image_package_name, cert_file_name in \
+                self.image_packages:
+            package_dir = 'debian/%s' % image_package_name
+            package_files = []
+            package_modules = []
+            package_files.append({'sig_type': 'efi',
+                                  'file': 'boot/vmlinuz-%s' % image_suffix})
+            for root, dirs, files in os.walk('%s/lib/modules' % package_dir,
+                                             onerror=raise_func):
+                for name in files:
+                    if name.endswith('.ko'):
+                        package_modules.append(
+                            '%s/%s' %
+                            (root[(len(package_dir) + 1):], name))
+            package_modules.sort()
+            for module in package_modules:
+                package_files.append(
+                    {'sig_type': 'linux-module',
+                     'file': module})
+            package_certs = [get_cert_fingerprint(cert, 'sha256')
+                             for cert in get_certs(cert_file_name)]
+            assert len(package_certs) >= 1
+            all_files['packages'][image_package_name] = {
+                'trusted_certs': package_certs,
+                'files': package_files
+            }
+
+        with codecs.open(self.template_top_dir + '/files.json', 'w') as f:
+            json.dump(all_files, f)
+
+
+if __name__ == '__main__':
+    Gencontrol(sys.argv[1])()