445 lines
17 KiB
Plaintext
445 lines
17 KiB
Plaintext
# Populates LICENSE_DIRECTORY as set in distro config with the license files as set by
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# LIC_FILES_CHKSUM.
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# TODO:
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# - There is a real issue revolving around license naming standards.
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LICENSE_DIRECTORY ??= "${DEPLOY_DIR}/licenses"
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LICSSTATEDIR = "${WORKDIR}/license-destdir/"
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# Create extra package with license texts and add it to RRECOMMENDS_${PN}
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LICENSE_CREATE_PACKAGE[type] = "boolean"
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LICENSE_CREATE_PACKAGE ??= "0"
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LICENSE_PACKAGE_SUFFIX ??= "-lic"
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LICENSE_FILES_DIRECTORY ??= "${datadir}/licenses/"
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addtask populate_lic after do_patch before do_build
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do_populate_lic[dirs] = "${LICSSTATEDIR}/${PN}"
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do_populate_lic[cleandirs] = "${LICSSTATEDIR}"
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python write_package_manifest() {
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# Get list of installed packages
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license_image_dir = d.expand('${LICENSE_DIRECTORY}/${IMAGE_NAME}')
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bb.utils.mkdirhier(license_image_dir)
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from oe.rootfs import image_list_installed_packages
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open(os.path.join(license_image_dir, 'package.manifest'),
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'w+').write(image_list_installed_packages(d))
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}
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license_create_manifest() {
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# Test if BUILD_IMAGES_FROM_FEEDS is defined in env
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if [ -n "${BUILD_IMAGES_FROM_FEEDS}" ]; then
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exit 0
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fi
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INSTALLED_PKGS=`cat ${LICENSE_DIRECTORY}/${IMAGE_NAME}/package.manifest`
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LICENSE_MANIFEST="${LICENSE_DIRECTORY}/${IMAGE_NAME}/license.manifest"
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# remove existing license.manifest file
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if [ -f ${LICENSE_MANIFEST} ]; then
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rm ${LICENSE_MANIFEST}
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fi
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touch ${LICENSE_MANIFEST}
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for pkg in ${INSTALLED_PKGS}; do
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filename=`ls ${PKGDATA_DIR}/runtime-reverse/${pkg}| head -1`
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pkged_pn="$(sed -n 's/^PN: //p' ${filename})"
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# check to see if the package name exists in the manifest. if so, bail.
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if grep -q "^PACKAGE NAME: ${pkg}" ${LICENSE_MANIFEST}; then
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continue
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fi
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pkged_pv="$(sed -n 's/^PV: //p' ${filename})"
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pkged_name="$(basename $(readlink ${filename}))"
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pkged_lic="$(sed -n "/^LICENSE_${pkged_name}: /{ s/^LICENSE_${pkged_name}: //; p }" ${filename})"
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if [ -z "${pkged_lic}" ]; then
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# fallback checking value of LICENSE
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pkged_lic="$(sed -n "/^LICENSE: /{ s/^LICENSE: //; p }" ${filename})"
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fi
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echo "PACKAGE NAME:" ${pkg} >> ${LICENSE_MANIFEST}
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echo "PACKAGE VERSION:" ${pkged_pv} >> ${LICENSE_MANIFEST}
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echo "RECIPE NAME:" ${pkged_pn} >> ${LICENSE_MANIFEST}
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echo "LICENSE:" ${pkged_lic} >> ${LICENSE_MANIFEST}
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echo "" >> ${LICENSE_MANIFEST}
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lics="$(echo ${pkged_lic} | sed "s/[|&()*]/ /g" | sed "s/ */ /g" )"
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for lic in ${lics}; do
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# to reference a license file trim trailing + symbol
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if ! [ -e "${LICENSE_DIRECTORY}/${pkged_pn}/generic_${lic%+}" ]; then
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bbwarn "The license listed ${lic} was not in the licenses collected for ${pkged_pn}"
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fi
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done
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done
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# Two options here:
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# - Just copy the manifest
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# - Copy the manifest and the license directories
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# With both options set we see a .5 M increase in core-image-minimal
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if [ "${COPY_LIC_MANIFEST}" = "1" ]; then
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mkdir -p ${IMAGE_ROOTFS}/usr/share/common-licenses/
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cp ${LICENSE_MANIFEST} ${IMAGE_ROOTFS}/usr/share/common-licenses/license.manifest
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if [ "${COPY_LIC_DIRS}" = "1" ]; then
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for pkg in ${INSTALLED_PKGS}; do
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mkdir -p ${IMAGE_ROOTFS}/usr/share/common-licenses/${pkg}
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pkged_pn="$(oe-pkgdata-util -p ${PKGDATA_DIR} lookup-recipe ${pkg})"
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for lic in `ls ${LICENSE_DIRECTORY}/${pkged_pn}`; do
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# Really don't need to copy the generics as they're
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# represented in the manifest and in the actual pkg licenses
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# Doing so would make your image quite a bit larger
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if [ "${lic#generic_}" = "${lic}" ]; then
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cp ${LICENSE_DIRECTORY}/${pkged_pn}/${lic} ${IMAGE_ROOTFS}/usr/share/common-licenses/${pkg}/${lic}
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else
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if [ ! -f ${IMAGE_ROOTFS}/usr/share/common-licenses/${lic} ]; then
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cp ${LICENSE_DIRECTORY}/${pkged_pn}/${lic} ${IMAGE_ROOTFS}/usr/share/common-licenses/
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fi
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ln -sf ../${lic} ${IMAGE_ROOTFS}/usr/share/common-licenses/${pkg}/${lic}
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fi
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done
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done
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fi
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fi
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}
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python do_populate_lic() {
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"""
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Populate LICENSE_DIRECTORY with licenses.
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"""
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lic_files_paths = find_license_files(d)
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# The base directory we wrangle licenses to
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destdir = os.path.join(d.getVar('LICSSTATEDIR', True), d.getVar('PN', True))
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copy_license_files(lic_files_paths, destdir)
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}
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# it would be better to copy them in do_install_append, but find_license_filesa is python
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python perform_packagecopy_prepend () {
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enabled = oe.data.typed_value('LICENSE_CREATE_PACKAGE', d)
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if d.getVar('CLASSOVERRIDE', True) == 'class-target' and enabled:
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lic_files_paths = find_license_files(d)
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# LICENSE_FILES_DIRECTORY starts with '/' so os.path.join cannot be used to join D and LICENSE_FILES_DIRECTORY
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destdir = d.getVar('D', True) + os.path.join(d.getVar('LICENSE_FILES_DIRECTORY', True), d.getVar('PN', True))
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copy_license_files(lic_files_paths, destdir)
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add_package_and_files(d)
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}
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def add_package_and_files(d):
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packages = d.getVar('PACKAGES', True)
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files = d.getVar('LICENSE_FILES_DIRECTORY', True)
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pn = d.getVar('PN', True)
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pn_lic = "%s%s" % (pn, d.getVar('LICENSE_PACKAGE_SUFFIX'))
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if pn_lic in packages:
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bb.warn("%s package already existed in %s." % (pn_lic, pn))
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else:
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# first in PACKAGES to be sure that nothing else gets LICENSE_FILES_DIRECTORY
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d.setVar('PACKAGES', "%s %s" % (pn_lic, packages))
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d.setVar('FILES_' + pn_lic, files)
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rrecommends_pn = d.getVar('RRECOMMENDS_' + pn, True)
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if rrecommends_pn:
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d.setVar('RRECOMMENDS_' + pn, "%s %s" % (pn_lic, rrecommends_pn))
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else:
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d.setVar('RRECOMMENDS_' + pn, "%s" % (pn_lic))
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def copy_license_files(lic_files_paths, destdir):
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import shutil
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bb.utils.mkdirhier(destdir)
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for (basename, path) in lic_files_paths:
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try:
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src = path
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dst = os.path.join(destdir, basename)
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if os.path.exists(dst):
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os.remove(dst)
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if os.access(src, os.W_OK) and (os.stat(src).st_dev == os.stat(destdir).st_dev):
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os.link(src, dst)
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else:
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shutil.copyfile(src, dst)
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except Exception as e:
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bb.warn("Could not copy license file %s to %s: %s" % (src, dst, e))
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def find_license_files(d):
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"""
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Creates list of files used in LIC_FILES_CHKSUM and generic LICENSE files.
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"""
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import shutil
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import oe.license
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pn = d.getVar('PN', True)
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for package in d.getVar('PACKAGES', True):
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if d.getVar('LICENSE_' + package, True):
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license_types = license_types + ' & ' + \
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d.getVar('LICENSE_' + package, True)
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#If we get here with no license types, then that means we have a recipe
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#level license. If so, we grab only those.
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try:
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license_types
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except NameError:
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# All the license types at the recipe level
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license_types = d.getVar('LICENSE', True)
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# All the license files for the package
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lic_files = d.getVar('LIC_FILES_CHKSUM', True)
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pn = d.getVar('PN', True)
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# The license files are located in S/LIC_FILE_CHECKSUM.
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srcdir = d.getVar('S', True)
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# Directory we store the generic licenses as set in the distro configuration
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generic_directory = d.getVar('COMMON_LICENSE_DIR', True)
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# List of basename, path tuples
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lic_files_paths = []
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license_source_dirs = []
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license_source_dirs.append(generic_directory)
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try:
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additional_lic_dirs = d.getVar('LICENSE_PATH', True).split()
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for lic_dir in additional_lic_dirs:
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license_source_dirs.append(lic_dir)
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except:
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pass
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class FindVisitor(oe.license.LicenseVisitor):
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def visit_Str(self, node):
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#
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# Until I figure out what to do with
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# the two modifiers I support (or greater = +
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# and "with exceptions" being *
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# we'll just strip out the modifier and put
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# the base license.
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find_license(node.s.replace("+", "").replace("*", ""))
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self.generic_visit(node)
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def find_license(license_type):
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try:
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bb.utils.mkdirhier(gen_lic_dest)
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except:
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pass
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spdx_generic = None
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license_source = None
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# If the generic does not exist we need to check to see if there is an SPDX mapping to it
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for lic_dir in license_source_dirs:
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if not os.path.isfile(os.path.join(lic_dir, license_type)):
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if d.getVarFlag('SPDXLICENSEMAP', license_type) != None:
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# Great, there is an SPDXLICENSEMAP. We can copy!
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bb.debug(1, "We need to use a SPDXLICENSEMAP for %s" % (license_type))
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spdx_generic = d.getVarFlag('SPDXLICENSEMAP', license_type)
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license_source = lic_dir
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break
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elif os.path.isfile(os.path.join(lic_dir, license_type)):
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spdx_generic = license_type
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license_source = lic_dir
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break
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if spdx_generic and license_source:
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# we really should copy to generic_ + spdx_generic, however, that ends up messing the manifest
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# audit up. This should be fixed in emit_pkgdata (or, we actually got and fix all the recipes)
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lic_files_paths.append(("generic_" + license_type, os.path.join(license_source, spdx_generic)))
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else:
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# And here is where we warn people that their licenses are lousy
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bb.warn("%s: No generic license file exists for: %s in any provider" % (pn, license_type))
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pass
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if not generic_directory:
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raise bb.build.FuncFailed("COMMON_LICENSE_DIR is unset. Please set this in your distro config")
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if not lic_files:
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# No recipe should have an invalid license file. This is checked else
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# where, but let's be pedantic
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bb.note(pn + ": Recipe file does not have license file information.")
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return lic_files_paths
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for url in lic_files.split():
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try:
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(type, host, path, user, pswd, parm) = bb.fetch.decodeurl(url)
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except bb.fetch.MalformedUrl:
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raise bb.build.FuncFailed("%s: LIC_FILES_CHKSUM contains an invalid URL: %s" % (d.getVar('PF', True), url))
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# We want the license filename and path
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srclicfile = os.path.join(srcdir, path)
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lic_files_paths.append((os.path.basename(path), srclicfile))
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v = FindVisitor()
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try:
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v.visit_string(license_types)
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except oe.license.InvalidLicense as exc:
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bb.fatal('%s: %s' % (d.getVar('PF', True), exc))
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except SyntaxError:
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bb.warn("%s: Failed to parse it's LICENSE field." % (d.getVar('PF', True)))
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return lic_files_paths
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def return_spdx(d, license):
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"""
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This function returns the spdx mapping of a license if it exists.
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"""
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return d.getVarFlag('SPDXLICENSEMAP', license, True)
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def canonical_license(d, license):
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"""
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Return the canonical (SPDX) form of the license if available (so GPLv3
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becomes GPL-3.0), for the license named 'X+', return canonical form of
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'X' if availabel and the tailing '+' (so GPLv3+ becomes GPL-3.0+),
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or the passed license if there is no canonical form.
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"""
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lic = d.getVarFlag('SPDXLICENSEMAP', license, True) or ""
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if not lic and license.endswith('+'):
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lic = d.getVarFlag('SPDXLICENSEMAP', license.rstrip('+'), True)
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if lic:
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lic += '+'
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return lic or license
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def expand_wildcard_licenses(d, wildcard_licenses):
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"""
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Return actual spdx format license names if wildcard used. We expand
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wildcards from SPDXLICENSEMAP flags and SRC_DISTRIBUTE_LICENSES values.
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"""
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import fnmatch
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licenses = []
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spdxmapkeys = d.getVarFlags('SPDXLICENSEMAP').keys()
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for wld_lic in wildcard_licenses:
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spdxflags = fnmatch.filter(spdxmapkeys, wld_lic)
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licenses += [d.getVarFlag('SPDXLICENSEMAP', flag) for flag in spdxflags]
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spdx_lics = (d.getVar('SRC_DISTRIBUTE_LICENSES') or '').split()
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for wld_lic in wildcard_licenses:
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licenses += fnmatch.filter(spdx_lics, wld_lic)
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licenses = list(set(licenses))
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return licenses
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def incompatible_license_contains(license, truevalue, falsevalue, d):
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license = canonical_license(d, license)
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bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE', True) or "").split()
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bad_licenses = expand_wildcard_licenses(d, bad_licenses)
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return truevalue if license in bad_licenses else falsevalue
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def incompatible_license(d, dont_want_licenses, package=None):
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"""
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This function checks if a recipe has only incompatible licenses. It also
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take into consideration 'or' operand. dont_want_licenses should be passed
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as canonical (SPDX) names.
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"""
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import re
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import oe.license
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from fnmatch import fnmatchcase as fnmatch
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license = d.getVar("LICENSE_%s" % package, True) if package else None
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if not license:
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license = d.getVar('LICENSE', True)
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def license_ok(license):
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for dwl in dont_want_licenses:
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# If you want to exclude license named generically 'X', we
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# surely want to exclude 'X+' as well. In consequence, we
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# will exclude a trailing '+' character from LICENSE in
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# case INCOMPATIBLE_LICENSE is not a 'X+' license.
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lic = license
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if not re.search('\+$', dwl):
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lic = re.sub('\+', '', license)
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if fnmatch(lic, dwl):
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return False
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return True
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# Handles an "or" or two license sets provided by
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# flattened_licenses(), pick one that works if possible.
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def choose_lic_set(a, b):
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return a if all(license_ok(lic) for lic in a) else b
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try:
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licenses = oe.license.flattened_licenses(license, choose_lic_set)
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except oe.license.LicenseError as exc:
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bb.fatal('%s: %s' % (d.getVar('P', True), exc))
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return any(not license_ok(canonical_license(d, l)) for l in licenses)
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def check_license_flags(d):
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"""
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This function checks if a recipe has any LICENSE_FLAGS that
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aren't whitelisted.
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If it does, it returns the first LICENSE_FLAGS item missing from the
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whitelist, or all of the LICENSE_FLAGS if there is no whitelist.
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If everything is is properly whitelisted, it returns None.
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"""
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def license_flag_matches(flag, whitelist, pn):
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"""
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Return True if flag matches something in whitelist, None if not.
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Before we test a flag against the whitelist, we append _${PN}
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to it. We then try to match that string against the
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whitelist. This covers the normal case, where we expect
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LICENSE_FLAGS to be a simple string like 'commercial', which
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the user typically matches exactly in the whitelist by
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explicitly appending the package name e.g 'commercial_foo'.
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If we fail the match however, we then split the flag across
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'_' and append each fragment and test until we either match or
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run out of fragments.
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"""
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flag_pn = ("%s_%s" % (flag, pn))
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for candidate in whitelist:
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if flag_pn == candidate:
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return True
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flag_cur = ""
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flagments = flag_pn.split("_")
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flagments.pop() # we've already tested the full string
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for flagment in flagments:
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if flag_cur:
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flag_cur += "_"
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flag_cur += flagment
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for candidate in whitelist:
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if flag_cur == candidate:
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return True
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return False
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def all_license_flags_match(license_flags, whitelist):
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""" Return first unmatched flag, None if all flags match """
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pn = d.getVar('PN', True)
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split_whitelist = whitelist.split()
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for flag in license_flags.split():
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if not license_flag_matches(flag, split_whitelist, pn):
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return flag
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return None
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license_flags = d.getVar('LICENSE_FLAGS', True)
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if license_flags:
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whitelist = d.getVar('LICENSE_FLAGS_WHITELIST', True)
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if not whitelist:
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return license_flags
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unmatched_flag = all_license_flags_match(license_flags, whitelist)
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if unmatched_flag:
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return unmatched_flag
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return None
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def check_license_format(d):
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"""
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This function checks if LICENSE is well defined,
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Validate operators in LICENSES.
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No spaces are allowed between LICENSES.
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"""
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pn = d.getVar('PN', True)
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licenses = d.getVar('LICENSE', True)
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from oe.license import license_operator, license_operator_chars, license_pattern
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elements = filter(lambda x: x.strip(), license_operator.split(licenses))
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for pos, element in enumerate(elements):
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if license_pattern.match(element):
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if pos > 0 and license_pattern.match(elements[pos - 1]):
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bb.warn('%s: LICENSE value "%s" has an invalid format - license names ' \
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'must be separated by the following characters to indicate ' \
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'the license selection: %s' %
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(pn, licenses, license_operator_chars))
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elif not license_operator.match(element):
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bb.warn('%s: LICENSE value "%s" has an invalid separator "%s" that is not ' \
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'in the valid list of separators (%s)' %
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(pn, licenses, element, license_operator_chars))
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SSTATETASKS += "do_populate_lic"
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do_populate_lic[sstate-inputdirs] = "${LICSSTATEDIR}"
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do_populate_lic[sstate-outputdirs] = "${LICENSE_DIRECTORY}/"
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ROOTFS_POSTPROCESS_COMMAND_prepend = "write_package_manifest; license_create_manifest; "
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python do_populate_lic_setscene () {
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sstate_setscene(d)
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}
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addtask do_populate_lic_setscene
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