Merge branch 'next'

A number of merge conflicts, but hopefully they are all sorted out now.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard
2020-09-02 18:07:52 +02:00
352 changed files with 10966 additions and 4344 deletions

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@@ -19,15 +19,8 @@ check-DEVELOPERS:
check-flake8:
extends: .check_base
before_script:
# Help flake8 to find the Python files without .py extension.
- find * -type f -name '*.py' > files.txt
- find * -type f -print0 | xargs -0 file | grep 'Python script' | cut -d':' -f1 >> files.txt
- sort -u files.txt | tee files.processed
script:
- python3 -m flake8 --statistics --count --max-line-length=132 $(cat files.processed)
after_script:
- wc -l files.processed
- make check-flake8
check-package:
extends: .check_base

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@@ -25,6 +25,9 @@ declare -a IGNORES=(
# it for a different architecture (e.g. i386 grub on x86_64).
"/lib/grub"
"/usr/lib/grub"
# Guile modules are ELF files, with a "None" machine
"/usr/lib/guile"
)
while getopts p:l:r:a:i: OPT ; do

192
support/scripts/cve-checker Executable file
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@@ -0,0 +1,192 @@
#!/usr/bin/env python
# Copyright (C) 2009 by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
# Copyright (C) 2020 by Gregory CLEMENT <gregory.clement@bootlin.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import argparse
import datetime
import os
import json
import sys
import cve as cvecheck
class Package:
def __init__(self, name, version, ignored_cves):
self.name = name
self.version = version
self.cves = list()
self.ignored_cves = ignored_cves
def check_package_cves(nvd_path, packages):
if not os.path.isdir(nvd_path):
os.makedirs(nvd_path)
for cve in cvecheck.CVE.read_nvd_dir(nvd_path):
for pkg_name in cve.pkg_names:
pkg = packages.get(pkg_name, '')
if pkg and cve.affects(pkg.name, pkg.version, pkg.ignored_cves) == cve.CVE_AFFECTS:
pkg.cves.append(cve.identifier)
html_header = """
<head>
<script src=\"https://www.kryogenix.org/code/browser/sorttable/sorttable.js\"></script>
<style type=\"text/css\">
table {
width: 100%;
}
td {
border: 1px solid black;
}
td.centered {
text-align: center;
}
td.wrong {
background: #ff9a69;
}
td.correct {
background: #d2ffc4;
}
</style>
<title>CVE status for Buildroot configuration</title>
</head>
<p id=\"sortable_hint\"></p>
"""
html_footer = """
</body>
<script>
if (typeof sorttable === \"object\") {
document.getElementById(\"sortable_hint\").innerHTML =
\"hint: the table can be sorted by clicking the column headers\"
}
</script>
</html>
"""
def dump_html_pkg(f, pkg):
f.write(" <tr>\n")
f.write(" <td>%s</td>\n" % pkg.name)
# Current version
if len(pkg.version) > 20:
version = pkg.version[:20] + "..."
else:
version = pkg.version
f.write(" <td class=\"centered\">%s</td>\n" % version)
# CVEs
td_class = ["centered"]
if len(pkg.cves) == 0:
td_class.append("correct")
else:
td_class.append("wrong")
f.write(" <td class=\"%s\">\n" % " ".join(td_class))
for cve in pkg.cves:
f.write(" <a href=\"https://security-tracker.debian.org/tracker/%s\">%s<br/>\n" % (cve, cve))
f.write(" </td>\n")
f.write(" </tr>\n")
def dump_html_all_pkgs(f, packages):
f.write("""
<table class=\"sortable\">
<tr>
<td>Package</td>
<td class=\"centered\">Version</td>
<td class=\"centered\">CVEs</td>
</tr>
""")
for pkg in packages:
dump_html_pkg(f, pkg)
f.write("</table>")
def dump_html_gen_info(f, date):
f.write("<p><i>Generated on %s</i></p>\n" % (str(date)))
def dump_html(packages, date, output):
with open(output, 'w') as f:
f.write(html_header)
dump_html_all_pkgs(f, packages)
dump_html_gen_info(f, date)
f.write(html_footer)
def dump_json(packages, date, output):
# Format packages as a dictionnary instead of a list
pkgs = {
pkg.name: {
"version": pkg.version,
"cves": pkg.cves,
} for pkg in packages
}
# The actual structure to dump, add date to it
final = {'packages': pkgs,
'date': str(date)}
with open(output, 'w') as f:
json.dump(final, f, indent=2, separators=(',', ': '))
f.write('\n')
def resolvepath(path):
return os.path.abspath(os.path.expanduser(path))
def parse_args():
parser = argparse.ArgumentParser()
output = parser.add_argument_group('output', 'Output file(s)')
output.add_argument('--html', dest='html', type=resolvepath,
help='HTML output file')
output.add_argument('--json', dest='json', type=resolvepath,
help='JSON output file')
parser.add_argument('--nvd-path', dest='nvd_path',
help='Path to the local NVD database',type=resolvepath,
required=True)
args = parser.parse_args()
if not args.html and not args.json:
parser.error('at least one of --html or --json (or both) is required')
return args
def __main__():
packages = list()
content = json.load(sys.stdin)
for item in content:
pkg = content[item]
p = Package(item, pkg.get('version', ''), pkg.get('ignore_cves', ''))
packages.append(p)
args = parse_args()
date = datetime.datetime.utcnow()
print("Checking packages CVEs")
check_package_cves(args.nvd_path, {p.name: p for p in packages})
if args.html:
print("Write HTML")
dump_html(packages, date, args.html)
if args.json:
print("Write JSON")
dump_json(packages, date, args.json)
__main__()

244
support/scripts/cve.py Executable file
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@@ -0,0 +1,244 @@
#!/usr/bin/env python
# Copyright (C) 2009 by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
# Copyright (C) 2020 by Gregory CLEMENT <gregory.clement@bootlin.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import datetime
import os
import requests # URL checking
import distutils.version
import time
import gzip
import sys
import operator
try:
import ijson
except ImportError:
sys.stderr.write("You need ijson to parse NVD for CVE check\n")
exit(1)
sys.path.append('utils/')
NVD_START_YEAR = 2002
NVD_JSON_VERSION = "1.1"
NVD_BASE_URL = "https://nvd.nist.gov/feeds/json/cve/" + NVD_JSON_VERSION
ops = {
'>=': operator.ge,
'>': operator.gt,
'<=': operator.le,
'<': operator.lt,
'=': operator.eq
}
class CVE:
"""An accessor class for CVE Items in NVD files"""
CVE_AFFECTS = 1
CVE_DOESNT_AFFECT = 2
CVE_UNKNOWN = 3
def __init__(self, nvd_cve):
"""Initialize a CVE from its NVD JSON representation"""
self.nvd_cve = nvd_cve
@staticmethod
def download_nvd_year(nvd_path, year):
metaf = "nvdcve-%s-%s.meta" % (NVD_JSON_VERSION, year)
path_metaf = os.path.join(nvd_path, metaf)
jsonf_gz = "nvdcve-%s-%s.json.gz" % (NVD_JSON_VERSION, year)
path_jsonf_gz = os.path.join(nvd_path, jsonf_gz)
# If the database file is less than a day old, we assume the NVD data
# locally available is recent enough.
if os.path.exists(path_jsonf_gz) and os.stat(path_jsonf_gz).st_mtime >= time.time() - 86400:
return path_jsonf_gz
# If not, we download the meta file
url = "%s/%s" % (NVD_BASE_URL, metaf)
print("Getting %s" % url)
page_meta = requests.get(url)
page_meta.raise_for_status()
# If the meta file already existed, we compare the existing
# one with the data newly downloaded. If they are different,
# we need to re-download the database.
# If the database does not exist locally, we need to redownload it in
# any case.
if os.path.exists(path_metaf) and os.path.exists(path_jsonf_gz):
meta_known = open(path_metaf, "r").read()
if page_meta.text == meta_known:
return path_jsonf_gz
# Grab the compressed JSON NVD, and write files to disk
url = "%s/%s" % (NVD_BASE_URL, jsonf_gz)
print("Getting %s" % url)
page_json = requests.get(url)
page_json.raise_for_status()
open(path_jsonf_gz, "wb").write(page_json.content)
open(path_metaf, "w").write(page_meta.text)
return path_jsonf_gz
@classmethod
def read_nvd_dir(cls, nvd_dir):
"""
Iterate over all the CVEs contained in NIST Vulnerability Database
feeds since NVD_START_YEAR. If the files are missing or outdated in
nvd_dir, a fresh copy will be downloaded, and kept in .json.gz
"""
for year in range(NVD_START_YEAR, datetime.datetime.now().year + 1):
filename = CVE.download_nvd_year(nvd_dir, year)
try:
content = ijson.items(gzip.GzipFile(filename), 'CVE_Items.item')
except: # noqa: E722
print("ERROR: cannot read %s. Please remove the file then rerun this script" % filename)
raise
for cve in content:
yield cls(cve)
def each_product(self):
"""Iterate over each product section of this cve"""
for vendor in self.nvd_cve['cve']['affects']['vendor']['vendor_data']:
for product in vendor['product']['product_data']:
yield product
def parse_node(self, node):
"""
Parse the node inside the configurations section to extract the
cpe information usefull to know if a product is affected by
the CVE. Actually only the product name and the version
descriptor are needed, but we also provide the vendor name.
"""
# The node containing the cpe entries matching the CVE can also
# contain sub-nodes, so we need to manage it.
for child in node.get('children', ()):
for parsed_node in self.parse_node(child):
yield parsed_node
for cpe in node.get('cpe_match', ()):
if not cpe['vulnerable']:
return
vendor, product, version = cpe['cpe23Uri'].split(':')[3:6]
op_start = ''
op_end = ''
v_start = ''
v_end = ''
if version != '*' and version != '-':
# Version is defined, this is a '=' match
op_start = '='
v_start = version
elif version == '-':
# no version information is available
op_start = '='
v_start = version
else:
# Parse start version, end version and operators
if 'versionStartIncluding' in cpe:
op_start = '>='
v_start = cpe['versionStartIncluding']
if 'versionStartExcluding' in cpe:
op_start = '>'
v_start = cpe['versionStartExcluding']
if 'versionEndIncluding' in cpe:
op_end = '<='
v_end = cpe['versionEndIncluding']
if 'versionEndExcluding' in cpe:
op_end = '<'
v_end = cpe['versionEndExcluding']
yield {
'vendor': vendor,
'product': product,
'v_start': v_start,
'op_start': op_start,
'v_end': v_end,
'op_end': op_end
}
def each_cpe(self):
for node in self.nvd_cve['configurations']['nodes']:
for cpe in self.parse_node(node):
yield cpe
@property
def identifier(self):
"""The CVE unique identifier"""
return self.nvd_cve['cve']['CVE_data_meta']['ID']
@property
def pkg_names(self):
"""The set of package names referred by this CVE definition"""
return set(p['product'] for p in self.each_cpe())
def affects(self, name, version, cve_ignore_list):
"""
True if the Buildroot Package object passed as argument is affected
by this CVE.
"""
if self.identifier in cve_ignore_list:
return self.CVE_DOESNT_AFFECT
pkg_version = distutils.version.LooseVersion(version)
if not hasattr(pkg_version, "version"):
print("Cannot parse package '%s' version '%s'" % (name, version))
pkg_version = None
for cpe in self.each_cpe():
if cpe['product'] != name:
continue
if cpe['v_start'] == '-':
return self.CVE_AFFECTS
if not cpe['v_start'] and not cpe['v_end']:
print("No CVE affected version")
continue
if not pkg_version:
continue
if cpe['v_start']:
try:
cve_affected_version = distutils.version.LooseVersion(cpe['v_start'])
inrange = ops.get(cpe['op_start'])(pkg_version, cve_affected_version)
except TypeError:
return self.CVE_UNKNOWN
# current package version is before v_start, so we're
# not affected by the CVE
if not inrange:
continue
if cpe['v_end']:
try:
cve_affected_version = distutils.version.LooseVersion(cpe['v_end'])
inrange = ops.get(cpe['op_end'])(pkg_version, cve_affected_version)
except TypeError:
return self.CVE_UNKNOWN
# current package version is after v_end, so we're
# not affected by the CVE
if not inrange:
continue
# We're in the version range affected by this CVE
return self.CVE_AFFECTS
return self.CVE_DOESNT_AFFECT

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@@ -0,0 +1,472 @@
#!/usr/bin/env python3
import os.path
import re
import requests
import textwrap
BASE_URL = "https://toolchains.bootlin.com/downloads/releases/toolchains"
AUTOGENERATED_COMMENT = """# This file was auto-generated by support/scripts/gen-bootlin-toolchains
# Do not edit
"""
# In the below dict:
# - 'conditions' indicate the cumulative conditions under which the
# toolchain will be made available. In several situations, a given
# toolchain is usable on several architectures variants (for
# example, an ARMv6 toolchain can be used on ARMv7)
# - 'test_options' indicate one specific configuration where the
# toolchain can be used. It is used to create the runtime test
# cases. If 'test_options' does not exist, the code assumes it can
# be made equal to 'conditions'
# - 'prefix' is the prefix of the cross-compilation toolchain tools
arches = {
'aarch64': {
'conditions': ['BR2_aarch64'],
'prefix': 'aarch64',
},
'aarch64be': {
'conditions': ['BR2_aarch64_be'],
'prefix': 'aarch64_be',
},
'arcle-750d': {
'conditions': ['BR2_arcle', 'BR2_arc750d'],
'prefix': 'arc',
},
'arcle-hs38': {
'conditions': ['BR2_arcle', 'BR2_archs38'],
'prefix': 'arc',
},
'armv5-eabi': {
'conditions': ['BR2_ARM_CPU_ARMV5', 'BR2_ARM_EABI'],
'test_options': ['BR2_arm', 'BR2_arm926t', 'BR2_ARM_EABI'],
'prefix': 'arm',
},
'armv6-eabihf': {
'conditions': ['BR2_ARM_CPU_ARMV6', 'BR2_ARM_EABIHF'],
'test_options': ['BR2_arm', 'BR2_arm1176jzf_s', 'BR2_ARM_EABIHF'],
'prefix': 'arm',
},
'armv7-eabihf': {
'conditions': ['BR2_ARM_CPU_ARMV7A', 'BR2_ARM_EABIHF'],
'test_options': ['BR2_arm', 'BR2_cortex_a8', 'BR2_ARM_EABIHF'],
'prefix': 'arm',
},
'armv7m': {
'conditions': ['BR2_ARM_CPU_ARMV7M'],
'test_options': ['BR2_arm', 'BR2_cortex_m4'],
'prefix': 'arm',
},
'm68k-68xxx': {
'conditions': ['BR2_m68k_m68k'],
'test_options': ['BR2_m68k', 'BR2_m68k_68040'],
'prefix': 'm68k',
},
'm68k-coldfire': {
'conditions': ['BR2_m68k_cf'],
'test_options': ['BR2_m68k', 'BR2_m68k_cf5208'],
'prefix': 'm68k',
},
'microblazebe': {
'conditions': ['BR2_microblazebe'],
'prefix': 'microblaze',
},
'microblazeel': {
'conditions': ['BR2_microblazeel'],
'prefix': 'microblazeel',
},
'mips32': {
# Not sure it could be used by other mips32 variants?
'conditions': ['BR2_mips', 'BR2_mips_32', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mips',
},
'mips32el': {
# Not sure it could be used by other mips32el variants?
'conditions': ['BR2_mipsel', 'BR2_mips_32', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mipsel',
},
'mips32r5el': {
'conditions': ['BR2_mipsel', 'BR2_mips_32r5', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mipsel',
},
'mips32r6el': {
'conditions': ['BR2_mipsel', 'BR2_mips_32r6', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mipsel',
},
'mips64': {
# Not sure it could be used by other mips64 variants?
'conditions': ['BR2_mips64', 'BR2_mips_64', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mips64',
},
'mips64-n32': {
# Not sure it could be used by other mips64 variants?
'conditions': ['BR2_mips64', 'BR2_mips_64', 'BR2_MIPS_NABI32', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mips64',
},
'mips64el-n32': {
# Not sure it could be used by other mips64el variants?
'conditions': ['BR2_mips64el', 'BR2_mips_64', 'BR2_MIPS_NABI32', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mips64el',
},
'mips64r6el-n32': {
'conditions': ['BR2_mips64el', 'BR2_mips_64r6', 'BR2_MIPS_NABI32', '!BR2_MIPS_SOFT_FLOAT'],
'prefix': 'mips64el',
},
'nios2': {
'conditions': ['BR2_nios2'],
'prefix': 'nios2',
},
'openrisc': {
'conditions': ['BR2_or1k'],
'prefix': 'or1k',
},
'powerpc-e500mc': {
# Not sure it could be used by other powerpc variants?
'conditions': ['BR2_powerpc', 'BR2_powerpc_e500mc'],
'prefix': 'powerpc',
},
'powerpc64-e5500': {
'conditions': ['BR2_powerpc64', 'BR2_powerpc_e5500'],
'prefix': 'powerpc64',
},
'powerpc64-power8': {
'conditions': ['BR2_powerpc64', 'BR2_powerpc_power8'],
'prefix': 'powerpc64',
},
'powerpc64le-power8': {
'conditions': ['BR2_powerpc64le', 'BR2_powerpc_power8'],
'prefix': 'powerpc64le',
},
'riscv32-ilp32d': {
'conditions': ['BR2_riscv', 'BR2_riscv_g', 'BR2_RISCV_32', 'BR2_RISCV_ABI_ILP32D'],
'prefix': 'riscv32',
},
'riscv64': {
'conditions': ['BR2_riscv', 'BR2_riscv_g', 'BR2_RISCV_64', 'BR2_RISCV_ABI_LP64'],
'prefix': 'riscv64',
},
'sh-sh4': {
'conditions': ['BR2_sh', 'BR2_sh4'],
'prefix': 'sh4',
},
'sh-sh4aeb': {
'conditions': ['BR2_sh', 'BR2_sh4aeb'],
'prefix': 'sh4aeb',
},
'sparc64': {
'conditions': ['BR2_sparc64', 'BR2_sparc_v9'],
'prefix': 'sparc64',
},
'sparcv8': {
'conditions': ['BR2_sparc', 'BR2_sparc_v8'],
'prefix': 'sparc',
},
'x86-64-core-i7': {
'conditions': ['BR2_x86_64',
'BR2_X86_CPU_HAS_MMX',
'BR2_X86_CPU_HAS_SSE',
'BR2_X86_CPU_HAS_SSE2',
'BR2_X86_CPU_HAS_SSE3',
'BR2_X86_CPU_HAS_SSSE3',
'BR2_X86_CPU_HAS_SSE4',
'BR2_X86_CPU_HAS_SSE42'],
'test_options': ['BR2_x86_64', 'BR2_x86_corei7'],
'prefix': 'x86_64',
},
'x86-core2': {
'conditions': ['BR2_i386',
'BR2_X86_CPU_HAS_MMX',
'BR2_X86_CPU_HAS_SSE',
'BR2_X86_CPU_HAS_SSE2',
'BR2_X86_CPU_HAS_SSE3',
'BR2_X86_CPU_HAS_SSSE3'],
'test_options': ['BR2_i386', 'BR2_x86_core2'],
'prefix': 'i686',
},
'x86-i686': {
'conditions': ['BR2_i386',
'!BR2_x86_i486',
'!BR2_x86_i586',
'!BR2_x86_x1000'],
'test_options': ['BR2_i386',
'BR2_x86_i686'],
'prefix': 'i686',
},
'xtensa-lx60': {
'conditions': ['BR2_xtensa', 'BR2_xtensa_fsf'],
'prefix': 'xtensa',
},
}
class Toolchain:
def __init__(self, arch, libc, variant, version):
self.arch = arch
self.libc = libc
self.variant = variant
self.version = version
self.fname_prefix = "%s--%s--%s-%s" % (self.arch, self.libc, self.variant, self.version)
self.option_name = "BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_%s_%s_%s" % \
(self.arch.replace("-", "_").upper(), self.libc.upper(), self.variant.replace("-", "_").upper())
self.fragment = requests.get(self.fragment_url).text.split("\n")
self.sha256 = requests.get(self.hash_url).text.split(" ")[0]
@property
def tarball_url(self):
return os.path.join(BASE_URL, self.arch, "tarballs",
self.fname_prefix + ".tar.bz2")
@property
def hash_url(self):
return os.path.join(BASE_URL, self.arch, "tarballs",
self.fname_prefix + ".sha256")
@property
def fragment_url(self):
return os.path.join(BASE_URL, self.arch, "fragments",
self.fname_prefix + ".frag")
def gen_config_in_options(self, f):
f.write("config %s\n" % self.option_name)
f.write("\tbool \"%s %s %s %s\"\n" %
(self.arch, self.libc, self.variant, self.version))
for c in arches[self.arch]['conditions']:
f.write("\tdepends on %s\n" % c)
selects = []
for frag in self.fragment:
# libc type
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CUSTOM_UCLIBC"):
selects.append("BR2_TOOLCHAIN_EXTERNAL_UCLIBC")
elif frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC"):
selects.append("BR2_TOOLCHAIN_EXTERNAL_GLIBC")
# all glibc toolchains have RPC support
selects.append("BR2_TOOLCHAIN_HAS_NATIVE_RPC")
elif frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL"):
selects.append("BR2_TOOLCHAIN_EXTERNAL_MUSL")
# gcc version
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_GCC_"):
m = re.match("^BR2_TOOLCHAIN_EXTERNAL_GCC_([0-9_]*)=y$", frag)
assert m, "Cannot get gcc version for toolchain %s" % self.fname_prefix
selects.append("BR2_TOOLCHAIN_GCC_AT_LEAST_%s" % m[1])
# kernel headers version
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HEADERS_"):
m = re.match("^BR2_TOOLCHAIN_EXTERNAL_HEADERS_([0-9_]*)=y$", frag)
assert m, "Cannot get kernel headers version for toolchain %s" % self.fname_prefix
selects.append("BR2_TOOLCHAIN_HEADERS_AT_LEAST_%s" % m[1])
# C++
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CXX"):
selects.append("BR2_INSTALL_LIBSTDCPP")
# SSP
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_SSP"):
selects.append("BR2_TOOLCHAIN_HAS_SSP")
# wchar
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_WCHAR"):
selects.append("BR2_USE_WCHAR")
# locale
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_LOCALE"):
# locale implies the availability of wchar
selects.append("BR2_USE_WCHAR")
selects.append("BR2_ENABLE_LOCALE")
# thread support
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS"):
selects.append("BR2_TOOLCHAIN_HAS_THREADS")
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG"):
selects.append("BR2_TOOLCHAIN_HAS_THREADS_DEBUG")
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL"):
selects.append("BR2_TOOLCHAIN_HAS_THREADS_NPTL")
# RPC
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_INET_RPC"):
selects.append("BR2_TOOLCHAIN_HAS_NATIVE_RPC")
# D language
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_DLANG"):
selects.append("BR2_TOOLCHAIN_HAS_DLANG")
# fortran
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_FORTRAN"):
selects.append("BR2_TOOLCHAIN_HAS_FORTRAN")
# OpenMP
if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_OPENMP"):
selects.append("BR2_TOOLCHAIN_HAS_OPENMP")
for select in selects:
f.write("\tselect %s\n" % select)
f.write("\thelp\n")
desc = "Bootlin toolchain for the %s architecture, using the %s C library. " % \
(self.arch, self.libc)
if self.variant == "stable":
desc += "This is a stable version, which means it is using stable and proven versions of gcc, gdb and binutils."
else:
desc += "This is a bleeding-edge version, which means it is using the latest versions of gcc, gdb and binutils."
f.write(textwrap.fill(desc, width=62, initial_indent="\t ", subsequent_indent="\t ") + "\n")
f.write("\n")
f.write("\t https://toolchains.bootlin.com/\n")
f.write("\n")
def gen_mk(self, f):
f.write("ifeq ($(%s),y)\n" % self.option_name)
f.write("TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION = %s\n" % self.version)
f.write("TOOLCHAIN_EXTERNAL_BOOTLIN_SOURCE = %s--%s--%s-$(TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION).tar.bz2\n" %
(self.arch, self.libc, self.variant))
f.write("TOOLCHAIN_EXTERNAL_BOOTLIN_SITE = %s\n" %
os.path.join(BASE_URL, self.arch, "tarballs"))
f.write("endif\n\n")
pass
def gen_hash(self, f):
f.write("# From %s\n" % self.hash_url)
f.write("sha256 %s %s\n" % (self.sha256, os.path.basename(self.tarball_url)))
def gen_test(self, f):
if self.variant == "stable":
variant = "Stable"
else:
variant = "BleedingEdge"
testname = "TestExternalToolchainBootlin" + \
self.arch.replace("-", "").capitalize() + \
self.libc.capitalize() + variant
f.write("\n\n")
f.write("class %s(TestExternalToolchain):\n" % testname)
f.write(" config = \"\"\"\n")
if 'test_options' in arches[self.arch]:
test_options = arches[self.arch]['test_options']
else:
test_options = arches[self.arch]['conditions']
for opt in test_options:
if opt.startswith("!"):
f.write(" # %s is not set\n" % opt[1:])
else:
f.write(" %s=y\n" % opt)
f.write(" BR2_TOOLCHAIN_EXTERNAL=y\n")
f.write(" BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y\n")
f.write(" %s=y\n" % self.option_name)
f.write(" # BR2_TARGET_ROOTFS_TAR is not set\n")
f.write(" \"\"\"\n")
f.write(" toolchain_prefix = \"%s-linux\"\n" % arches[self.arch]['prefix'])
f.write("\n")
f.write(" def test_run(self):\n")
f.write(" TestExternalToolchain.common_check(self)\n")
def __repr__(self):
return "Toolchain(arch=%s libc=%s variant=%s version=%s, option=%s)" % \
(self.arch, self.libc, self.variant, self.version, self.option_name)
def get_toolchains():
toolchains = list()
for arch, details in arches.items():
print(arch)
url = os.path.join(BASE_URL, arch, "available_toolchains")
page = requests.get(url).text
fnames = sorted(re.findall(r'<td><a href="(\w[^"]+)"', page))
# This dict will allow us to keep only the latest version for
# each toolchain.
tmp = dict()
for fname in fnames:
parts = fname.split('--')
assert parts[0] == arch, "Arch does not match: %s vs. %s" % (parts[0], arch)
libc = parts[1]
if parts[2].startswith("stable-"):
variant = "stable"
version = parts[2][len("stable-"):]
elif parts[2].startswith("bleeding-edge-"):
variant = "bleeding-edge"
version = parts[2][len("bleeding-edge-"):]
tmp[(arch, libc, variant)] = version
toolchains += [Toolchain(k[0], k[1], k[2], v) for k, v in tmp.items()]
return toolchains
def gen_config_in_options(toolchains, fpath):
with open(fpath, "w") as f:
f.write(AUTOGENERATED_COMMENT)
f.write("config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARCH_SUPPORTS\n")
f.write("\tbool\n")
for arch, details in arches.items():
f.write("\tdefault y if %s\n" % " && ".join(details['conditions']))
f.write("\n")
f.write("if BR2_TOOLCHAIN_EXTERNAL_BOOTLIN\n\n")
f.write("config BR2_TOOLCHAIN_EXTERNAL_PREFIX\n")
f.write("\tdefault \"$(ARCH)-linux\"\n")
f.write("\n")
f.write("config BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL\n")
f.write("\tdefault \"toolchain-external-bootlin\"\n")
f.write("\n")
f.write("choice\n")
f.write("\tprompt \"Bootlin toolchain variant\"\n")
for toolchain in toolchains:
toolchain.gen_config_in_options(f)
f.write("endchoice\n")
f.write("endif\n")
def gen_mk(toolchains, fpath):
with open(fpath, "w") as f:
f.write("#" * 80 + "\n")
f.write("#\n")
f.write("# toolchain-external-bootlin\n")
f.write("#\n")
f.write("#" * 80 + "\n")
f.write("\n")
f.write(AUTOGENERATED_COMMENT)
for toolchain in toolchains:
toolchain.gen_mk(f)
f.write("$(eval $(toolchain-external-package))\n")
def gen_hash(toolchains, fpath):
with open(fpath, "w") as f:
f.write(AUTOGENERATED_COMMENT)
for toolchain in toolchains:
toolchain.gen_hash(f)
def gen_runtime_test(toolchains, fpath):
with open(fpath, "w") as f:
f.write(AUTOGENERATED_COMMENT)
f.write("from tests.toolchain.test_external import TestExternalToolchain\n")
for toolchain in toolchains:
toolchain.gen_test(f)
def gen_toolchains(toolchains):
maindir = "toolchain/toolchain-external/toolchain-external-bootlin"
gen_config_in_options(toolchains, os.path.join(maindir, "Config.in.options"))
gen_mk(toolchains, os.path.join(maindir, "toolchain-external-bootlin.mk"))
gen_hash(toolchains, os.path.join(maindir, "toolchain-external-bootlin.hash"))
gen_runtime_test(toolchains,
os.path.join("support", "testing", "tests", "toolchain", "test_external_bootlin.py"))
toolchains = get_toolchains()
gen_toolchains(toolchains)

View File

@@ -27,18 +27,14 @@ import re
import subprocess
import requests # NVD database download
import json
import ijson
import distutils.version
import time
import gzip
import sys
sys.path.append('utils/')
from getdeveloperlib import parse_developers # noqa: E402
NVD_START_YEAR = 2002
NVD_JSON_VERSION = "1.0"
NVD_BASE_URL = "https://nvd.nist.gov/feeds/json/cve/" + NVD_JSON_VERSION
import cve as cvecheck
INFRA_RE = re.compile(r"\$\(eval \$\(([a-z-]*)-package\)\)")
URL_RE = re.compile(r"\s*https?://\S*\s*$")
@@ -48,10 +44,6 @@ RM_API_STATUS_FOUND_BY_DISTRO = 2
RM_API_STATUS_FOUND_BY_PATTERN = 3
RM_API_STATUS_NOT_FOUND = 4
CVE_AFFECTS = 1
CVE_DOESNT_AFFECT = 2
CVE_UNKNOWN = 3
class Defconfig:
def __init__(self, name, path):
@@ -244,11 +236,12 @@ class Package:
self.status['pkg-check'] = ("error", "{} warnings".format(self.warnings))
return
def is_cve_ignored(self, cve):
@property
def ignored_cves(self):
"""
Tells if the CVE is ignored by the package
Give the list of CVEs ignored by the package
"""
return cve in self.all_ignored_cves.get(self.pkgvar(), [])
return list(self.all_ignored_cves.get(self.pkgvar(), []))
def set_developers(self, developers):
"""
@@ -280,120 +273,6 @@ class Package:
self.is_status_ok('license-files'), self.status['hash'], self.patch_count)
class CVE:
"""An accessor class for CVE Items in NVD files"""
def __init__(self, nvd_cve):
"""Initialize a CVE from its NVD JSON representation"""
self.nvd_cve = nvd_cve
@staticmethod
def download_nvd_year(nvd_path, year):
metaf = "nvdcve-%s-%s.meta" % (NVD_JSON_VERSION, year)
path_metaf = os.path.join(nvd_path, metaf)
jsonf_gz = "nvdcve-%s-%s.json.gz" % (NVD_JSON_VERSION, year)
path_jsonf_gz = os.path.join(nvd_path, jsonf_gz)
# If the database file is less than a day old, we assume the NVD data
# locally available is recent enough.
if os.path.exists(path_jsonf_gz) and os.stat(path_jsonf_gz).st_mtime >= time.time() - 86400:
return path_jsonf_gz
# If not, we download the meta file
url = "%s/%s" % (NVD_BASE_URL, metaf)
print("Getting %s" % url)
page_meta = requests.get(url)
page_meta.raise_for_status()
# If the meta file already existed, we compare the existing
# one with the data newly downloaded. If they are different,
# we need to re-download the database.
# If the database does not exist locally, we need to redownload it in
# any case.
if os.path.exists(path_metaf) and os.path.exists(path_jsonf_gz):
meta_known = open(path_metaf, "r").read()
if page_meta.text == meta_known:
return path_jsonf_gz
# Grab the compressed JSON NVD, and write files to disk
url = "%s/%s" % (NVD_BASE_URL, jsonf_gz)
print("Getting %s" % url)
page_json = requests.get(url)
page_json.raise_for_status()
open(path_jsonf_gz, "wb").write(page_json.content)
open(path_metaf, "w").write(page_meta.text)
return path_jsonf_gz
@classmethod
def read_nvd_dir(cls, nvd_dir):
"""
Iterate over all the CVEs contained in NIST Vulnerability Database
feeds since NVD_START_YEAR. If the files are missing or outdated in
nvd_dir, a fresh copy will be downloaded, and kept in .json.gz
"""
for year in range(NVD_START_YEAR, datetime.datetime.now().year + 1):
filename = CVE.download_nvd_year(nvd_dir, year)
try:
content = ijson.items(gzip.GzipFile(filename), 'CVE_Items.item')
except: # noqa: E722
print("ERROR: cannot read %s. Please remove the file then rerun this script" % filename)
raise
for cve in content:
yield cls(cve['cve'])
def each_product(self):
"""Iterate over each product section of this cve"""
for vendor in self.nvd_cve['affects']['vendor']['vendor_data']:
for product in vendor['product']['product_data']:
yield product
@property
def identifier(self):
"""The CVE unique identifier"""
return self.nvd_cve['CVE_data_meta']['ID']
@property
def pkg_names(self):
"""The set of package names referred by this CVE definition"""
return set(p['product_name'] for p in self.each_product())
def affects(self, br_pkg):
"""
True if the Buildroot Package object passed as argument is affected
by this CVE.
"""
if br_pkg.is_cve_ignored(self.identifier):
return CVE_DOESNT_AFFECT
for product in self.each_product():
if product['product_name'] != br_pkg.name:
continue
for v in product['version']['version_data']:
if v["version_affected"] == "=":
if br_pkg.current_version == v["version_value"]:
return CVE_AFFECTS
elif v["version_affected"] == "<=":
pkg_version = distutils.version.LooseVersion(br_pkg.current_version)
if not hasattr(pkg_version, "version"):
print("Cannot parse package '%s' version '%s'" % (br_pkg.name, br_pkg.current_version))
continue
cve_affected_version = distutils.version.LooseVersion(v["version_value"])
if not hasattr(cve_affected_version, "version"):
print("Cannot parse CVE affected version '%s'" % v["version_value"])
continue
try:
affected = pkg_version <= cve_affected_version
except TypeError:
return CVE_UNKNOWN
if affected:
return CVE_AFFECTS
else:
return CVE_DOESNT_AFFECT
else:
print("version_affected: %s" % v['version_affected'])
return CVE_DOESNT_AFFECT
def get_pkglist(npackages, package_list):
"""
Builds the list of Buildroot packages, returning a list of Package
@@ -417,7 +296,6 @@ def get_pkglist(npackages, package_list):
"package/x11r7/x11r7.mk",
"package/doc-asciidoc.mk",
"package/pkg-.*.mk",
"package/nvidia-tegra23/nvidia-tegra23.mk",
"toolchain/toolchain-external/pkg-toolchain-external.mk",
"toolchain/toolchain-external/toolchain-external.mk",
"toolchain/toolchain.mk",
@@ -656,11 +534,12 @@ def check_package_cves(nvd_path, packages):
if not os.path.isdir(nvd_path):
os.makedirs(nvd_path)
for cve in CVE.read_nvd_dir(nvd_path):
for cve in cvecheck.CVE.read_nvd_dir(nvd_path):
for pkg_name in cve.pkg_names:
if pkg_name in packages and cve.affects(packages[pkg_name]) == CVE_AFFECTS:
packages[pkg_name].cves.append(cve.identifier)
if pkg_name in packages:
pkg = packages[pkg_name]
if cve.affects(pkg.name, pkg.current_version, pkg.ignored_cves) == cve.CVE_AFFECTS :
pkg.cves.append(cve.identifier)
def calculate_stats(packages):
stats = defaultdict(int)

View File

@@ -26,11 +26,15 @@ class TestExternalToolchain(infra.basetest.BRTest):
path = os.path.join(self.builddir, "target", d)
self.assertFalse(has_broken_links(path))
interp = infra.get_elf_prog_interpreter(self.builddir,
self.toolchain_prefix,
"bin/busybox")
interp_path = os.path.join(self.builddir, "target", interp[1:])
self.assertTrue(os.path.exists(interp_path))
with open(os.path.join(self.builddir, ".config"), 'r') as configf:
configlines = [l.strip() for l in configf.readlines()]
if "BR2_BINFMT_ELF=y" in configlines:
interp = infra.get_elf_prog_interpreter(self.builddir,
self.toolchain_prefix,
"bin/busybox")
interp_path = os.path.join(self.builddir, "target", interp[1:])
self.assertTrue(os.path.exists(interp_path))
class TestExternalToolchainSourceryArmv4(TestExternalToolchain):

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