#!/usr/bin/env python3
# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import binascii
import gzip
import hashlib
import io
import json
import os
import sys
import urllib.request
import xml.etree.ElementTree as ET
LIBRARY_FILTER = {
"ld-linux-x86-64.so",
"libX11-xcb.so",
"libX11.so",
"libXcomposite.so",
"libXcursor.so",
"libXdamage.so",
"libXext.so",
"libXfixes.so",
"libXi.so",
"libXrandr.so",
"libXrender.so",
"libXss.so",
"libXtst.so",
"libasound.so",
"libatk-1.0.so",
"libatk-bridge-2.0.so",
"libatspi.so.0",
"libc.so",
"libcairo.so",
"libcups.so",
"libdbus-1.so",
"libdl.so",
"libdrm.so.2",
"libexpat.so",
"libgbm.so.1",
"libgcc_s.so",
"libgdk-3.so",
"libgio-2.0.so",
"libglib-2.0.so",
"libgmodule-2.0.so",
"libgobject-2.0.so",
"libm.so",
"libnspr4.so",
"libnss3.so",
"libnssutil3.so",
"libpango-1.0.so",
"libpangocairo-1.0.so",
"libpthread.so",
"librt.so",
"libsmime3.so",
"libstdc++.so",
"libudev.so",
"libuuid.so",
"libxcb-dri3.so.0",
"libxcb.so",
"libxkbcommon.so.0",
"libxshmfence.so.1",
"rtld(GNU_HASH)",
}
SUPPORTED_FEDORA_RELEASES = ["39", "40"]
SUPPORTED_OPENSUSE_LEAP_RELEASES = ["15.5"]
COMMON_NS = "http://linux.duke.edu/metadata/common"
RPM_NS = "http://linux.duke.edu/metadata/rpm"
REPO_NS = "http://linux.duke.edu/metadata/repo"
rpm_sources = {}
for version in SUPPORTED_FEDORA_RELEASES:
rpm_sources["Fedora " + version] = [
"https://download.fedoraproject.org/pub/fedora/linux/releases/%s/Everything/x86_64/os/"
% version,
# 'updates' must appear after 'releases' since its entries
# overwrite the originals.
"https://download.fedoraproject.org/pub/fedora/linux/updates/%s/Everything/x86_64/"
% version,
]
for version in SUPPORTED_OPENSUSE_LEAP_RELEASES:
rpm_sources["openSUSE Leap " + version] = [
"https://download.opensuse.org/distribution/leap/%s/repo/oss/" %
version,
# 'update' must appear after 'distribution' since its entries
# overwrite the originals.
"https://download.opensuse.org/update/leap/%s/oss/" % version,
]
provides = {}
missing_any_library = False
for distro in rpm_sources:
distro_provides = {}
provided_prefixes = set()
for source in rpm_sources[distro]:
source = urllib.request.urlopen(source).geturl()
response = urllib.request.urlopen(source + "repodata/repomd.xml")
repomd = ET.fromstring(response.read())
primary = (source +
repomd.find("./{%s}data[@type='primary']/{%s}location" %
(REPO_NS, REPO_NS)).attrib["href"])
expected_checksum = repomd.find(
"./{%s}data[@type='primary']/{%s}checksum[@type='sha256']" %
(REPO_NS, REPO_NS)).text
response = urllib.request.urlopen(primary)
gz_data = response.read()
sha = hashlib.sha256()
sha.update(gz_data)
actual_checksum = binascii.hexlify(sha.digest()).decode("ascii")
assert expected_checksum == actual_checksum
with gzip.open(io.BytesIO(gz_data), "rb") as f:
contents = f.read().decode("utf-8")
metadata = ET.fromstring(contents)
for package in metadata.findall("./{%s}package" % COMMON_NS):
if package.find("./{%s}arch" % COMMON_NS).text != "x86_64":
continue
package_name = package.find("./{%s}name" % COMMON_NS).text
package_provides = []
for entry in package.findall(
"./{%s}format/{%s}provides/{%s}entry" %
(COMMON_NS, RPM_NS, RPM_NS)):
name = entry.attrib["name"]
for prefix in LIBRARY_FILTER:
if name.startswith(prefix):
package_provides.append(name)
provided_prefixes.add(prefix)
distro_provides[package_name] = package_provides
provides[distro] = sorted(
list(
set([
package_provides for package in distro_provides
for package_provides in distro_provides[package]
])))
missing_libraries = LIBRARY_FILTER.difference(provided_prefixes)
if missing_libraries:
missing_any_library = True
print(
"Libraries are not available on %s: %s" %
(distro, ", ".join(missing_libraries)),
file=sys.stderr,
)
if missing_any_library:
sys.exit(1)
script_dir = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(script_dir, "dist_package_provides.json"), "w") as f:
json.dump(provides, f, sort_keys=True, indent=4, separators=(",", ": "))
f.write("\n")
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