484 lines
20 KiB
Plaintext
484 lines
20 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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python license_create_manifest() {
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import re
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import oe.packagedata
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from oe.rootfs import image_list_installed_packages
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bad_licenses = (d.getVar("INCOMPATIBLE_LICENSE", True) or "").split()
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bad_licenses = map(lambda l: canonical_license(d, l), bad_licenses)
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bad_licenses = expand_wildcard_licenses(d, bad_licenses)
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build_images_from_feeds = d.getVar('BUILD_IMAGES_FROM_FEEDS', True)
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if build_images_from_feeds == "1":
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return 0
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pkg_dic = {}
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for pkg in image_list_installed_packages(d).splitlines():
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pkg_info = os.path.join(d.getVar('PKGDATA_DIR', True),
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'runtime-reverse', pkg)
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pkg_name = os.path.basename(os.readlink(pkg_info))
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pkg_dic[pkg_name] = oe.packagedata.read_pkgdatafile(pkg_info)
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if not "LICENSE" in pkg_dic[pkg_name].keys():
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pkg_lic_name = "LICENSE_" + pkg_name
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pkg_dic[pkg_name]["LICENSE"] = pkg_dic[pkg_name][pkg_lic_name]
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license_manifest = os.path.join(d.getVar('LICENSE_DIRECTORY', True),
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d.getVar('IMAGE_NAME', True), 'license.manifest')
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with open(license_manifest, "w") as license_file:
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for pkg in sorted(pkg_dic):
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if bad_licenses:
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try:
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(pkg_dic[pkg]["LICENSE"], pkg_dic[pkg]["LICENSES"]) = \
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oe.license.manifest_licenses(pkg_dic[pkg]["LICENSE"],
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bad_licenses, canonical_license, d)
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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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else:
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pkg_dic[pkg]["LICENSES"] = re.sub('[|&()*]', '', pkg_dic[pkg]["LICENSE"])
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pkg_dic[pkg]["LICENSES"] = re.sub(' *', ' ', pkg_dic[pkg]["LICENSES"])
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pkg_dic[pkg]["LICENSES"] = pkg_dic[pkg]["LICENSES"].split()
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license_file.write("PACKAGE NAME: %s\n" % pkg)
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license_file.write("PACKAGE VERSION: %s\n" % pkg_dic[pkg]["PV"])
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license_file.write("RECIPE NAME: %s\n" % pkg_dic[pkg]["PN"])
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license_file.write("LICENSE: %s\n\n" % pkg_dic[pkg]["LICENSE"])
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# If the package doesn't contain any file, that is, its size is 0, the license
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# isn't relevant as far as the final image is concerned. So doing license check
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# doesn't make much sense, skip it.
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if pkg_dic[pkg]["PKGSIZE_%s" % pkg] == "0":
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continue
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for lic in pkg_dic[pkg]["LICENSES"]:
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lic_file = os.path.join(d.getVar('LICENSE_DIRECTORY', True),
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pkg_dic[pkg]["PN"], "generic_%s" %
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re.sub('\+', '', lic))
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# add explicity avoid of CLOSED license because isn't generic
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if lic == "CLOSED":
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continue
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if not os.path.exists(lic_file):
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bb.warn("The license listed %s was not in the "\
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"licenses collected for recipe %s"
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% (lic, pkg_dic[pkg]["PN"]))
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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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copy_lic_manifest = d.getVar('COPY_LIC_MANIFEST', True)
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copy_lic_dirs = d.getVar('COPY_LIC_DIRS', True)
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if copy_lic_manifest == "1":
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rootfs_license_dir = os.path.join(d.getVar('IMAGE_ROOTFS', 'True'),
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'usr', 'share', 'common-licenses')
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os.makedirs(rootfs_license_dir)
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rootfs_license_manifest = os.path.join(rootfs_license_dir,
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'license.manifest')
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os.link(license_manifest, rootfs_license_manifest)
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if copy_lic_dirs == "1":
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for pkg in sorted(pkg_dic):
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pkg_rootfs_license_dir = os.path.join(rootfs_license_dir, pkg)
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os.makedirs(pkg_rootfs_license_dir)
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pkg_license_dir = os.path.join(d.getVar('LICENSE_DIRECTORY', True),
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pkg_dic[pkg]["PN"])
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licenses = os.listdir(pkg_license_dir)
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for lic in licenses:
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rootfs_license = os.path.join(rootfs_license_dir, lic)
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pkg_license = os.path.join(pkg_license_dir, lic)
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pkg_rootfs_license = os.path.join(pkg_rootfs_license_dir, lic)
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if re.match("^generic_.*$", lic):
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generic_lic = re.search("^generic_(.*)$", lic).group(1)
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if oe.license.license_ok(canonical_license(d,
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generic_lic), bad_licenses) == False:
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continue
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if not os.path.exists(rootfs_license):
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os.link(pkg_license, rootfs_license)
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os.symlink(os.path.join('..', lic), pkg_rootfs_license)
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else:
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if oe.license.license_ok(canonical_license(d,
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lic), bad_licenses) == False:
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continue
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os.link(pkg_license, pkg_rootfs_license)
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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', False))
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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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# unless NO_GENERIC_LICENSE is set.
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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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# The user may attempt to use NO_GENERIC_LICENSE for a generic license which doesn't make sense
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# and should not be allowed, warn the user in this case.
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if d.getVarFlag('NO_GENERIC_LICENSE', license_type):
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bb.warn("%s: %s is a generic license, please don't use NO_GENERIC_LICENSE for it." % (pn, license_type))
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elif d.getVarFlag('NO_GENERIC_LICENSE', license_type):
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# if NO_GENERIC_LICENSE is set, we copy the license files from the fetched source
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# of the package rather than the license_source_dirs.
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for (basename, path) in lic_files_paths:
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if d.getVarFlag('NO_GENERIC_LICENSE', license_type) == basename:
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lic_files_paths.append(("generic_" + license_type, path))
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break
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else:
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# Add explicity avoid of CLOSED license because this isn't generic
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if license_type != 'CLOSED':
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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', False) 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 oe.license
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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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# 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(oe.license.license_ok(canonical_license(d, lic),
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dont_want_licenses) 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 oe.license.license_ok(canonical_license(d, l), \
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dont_want_licenses) 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():
|
|
if not license_flag_matches(flag, split_whitelist, pn):
|
|
return flag
|
|
return None
|
|
|
|
license_flags = d.getVar('LICENSE_FLAGS', True)
|
|
if license_flags:
|
|
whitelist = d.getVar('LICENSE_FLAGS_WHITELIST', True)
|
|
if not whitelist:
|
|
return license_flags
|
|
unmatched_flag = all_license_flags_match(license_flags, whitelist)
|
|
if unmatched_flag:
|
|
return unmatched_flag
|
|
return None
|
|
|
|
def check_license_format(d):
|
|
"""
|
|
This function checks if LICENSE is well defined,
|
|
Validate operators in LICENSES.
|
|
No spaces are allowed between LICENSES.
|
|
"""
|
|
pn = d.getVar('PN', True)
|
|
licenses = d.getVar('LICENSE', True)
|
|
from oe.license import license_operator, license_operator_chars, license_pattern
|
|
|
|
elements = filter(lambda x: x.strip(), license_operator.split(licenses))
|
|
for pos, element in enumerate(elements):
|
|
if license_pattern.match(element):
|
|
if pos > 0 and license_pattern.match(elements[pos - 1]):
|
|
bb.warn('%s: LICENSE value "%s" has an invalid format - license names ' \
|
|
'must be separated by the following characters to indicate ' \
|
|
'the license selection: %s' %
|
|
(pn, licenses, license_operator_chars))
|
|
elif not license_operator.match(element):
|
|
bb.warn('%s: LICENSE value "%s" has an invalid separator "%s" that is not ' \
|
|
'in the valid list of separators (%s)' %
|
|
(pn, licenses, element, license_operator_chars))
|
|
|
|
SSTATETASKS += "do_populate_lic"
|
|
do_populate_lic[sstate-inputdirs] = "${LICSSTATEDIR}"
|
|
do_populate_lic[sstate-outputdirs] = "${LICENSE_DIRECTORY}/"
|
|
|
|
ROOTFS_POSTPROCESS_COMMAND_prepend = "write_package_manifest; license_create_manifest; "
|
|
|
|
do_populate_lic_setscene[dirs] = "${LICSSTATEDIR}/${PN}"
|
|
do_populate_lic_setscene[cleandirs] = "${LICSSTATEDIR}"
|
|
python do_populate_lic_setscene () {
|
|
sstate_setscene(d)
|
|
}
|
|
addtask do_populate_lic_setscene
|