1#!/usr/bin/env python 2# -*- coding: utf-8 -*- 3# Copyright (c) 2023 Huawei Device Co., Ltd. 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16import argparse 17import os 18import subprocess 19import sys 20 21 22def untar_file(tar_file_path, extract_path, args): 23 try: 24 if os.path.exists(extract_path): 25 rm_cmd = ['rm', '-rf', extract_path] 26 subprocess.run(rm_cmd, check=True) 27 28 tar_cmd = ['tar', '-xvf', tar_file_path, '-C', args.gen_dir] 29 subprocess.run(tar_cmd, check=True) 30 31 except Exception as e: 32 print("tar error!") 33 return 34 35 36def apply_patch(patch_file, target_dir): 37 try: 38 if not os.path.exists(target_dir): 39 return 40 41 patch_cmd = ['patch', '-p1', "--fuzz=0", "--no-backup-if-mismatch", '-i', patch_file, '-d', target_dir] 42 subprocess.run(patch_cmd, check=True) 43 44 except Exception as e: 45 print("apply_patch error!") 46 return 47 48 49def do_patch(args, target_dir): 50 51 patch_file = [ 52 "Fix-memleaks-in-xmlXIncludeProcessFlags.patch", 53 "backport-parser-Fix-potential-memory-leak-in-xmlParseAttValue.patch", 54 "Fix-memory-leaks-for-xmlACatalogAdd.patch", 55 "Fix-memory-leaks-in-xmlACatalogAdd-when-xmlHashAddEntry-failed.patch", 56 "backport-CVE-2022-40303-Fix-integer-overflows-with-XML_PARSE_.patch", 57 "backport-CVE-2022-40304-Fix-dict-corruption-caused-by-entity-.patch", 58 "backport-schemas-Fix-null-pointer-deref-in-xmlSchemaCheckCOSS.patch", 59 "libxml2-multilib.patch", 60 "Fix-CVE-2023-25062.patch", 61 "Fix-CVE-2023-45322-pre.patch", 62 "Fix-CVE-2023-45322-first.patch", 63 "Fix-CVE-2023-45322-second.patch", 64 "backport-Add-whitespace-folding-for-some-atomic-data-types-th.patch", 65 "backport-Properly-fold-whitespace-around-the-QName-value-when.patch", 66 "backport-Avoid-arithmetic-on-freed-pointers.patch", 67 "backport-fix-xmlXPathParserContext-could-be-double-delete-in-.patch", 68 "backport-Use-UPDATE_COMPAT-consistently-in-buf.c.patch", 69 "backport-Restore-behavior-of-htmlDocContentDumpFormatOutput.patch", 70 "backport-Fix-use-after-free-bugs-when-calling-xmlTextReaderCl.patch", 71 "backport-Use-xmlNewDocText-in-xmlXIncludeCopyRange.patch", 72 "backport-xmlBufAvail-should-return-length-without-including-a.patch", 73 "backport-Fix-integer-overflow-in-xmlBufferDump.patch", 74 "backport-Fix-missing-NUL-terminators-in-xmlBuf-and-xmlBuffer-.patch", 75 "backport-Reserve-byte-for-NUL-terminator-and-report-errors-co.patch", 76 "backport-Fix-unintended-fall-through-in-xmlNodeAddContentLen.patch", 77 "backport-Don-t-reset-nsDef-when-changing-node-content.patch", 78 "backport-Avoid-double-free-if-malloc-fails-in-inputPush.patch", 79 "backport-Fix-memory-leak-in-xmlLoadEntityContent-error-path.patch", 80 "backport-Reset-nsNr-in-xmlCtxtReset.patch", 81 "backport-Fix-htmlReadMemory-mixing-up-XML-and-HTML-functions.patch", 82 "backport-Don-t-initialize-SAX-handler-in-htmlReadMemory.patch", 83 "backport-Fix-HTML-parser-with-threads-and-without-legacy.patch", 84 "backport-Fix-xmlCtxtReadDoc-with-encoding.patch", 85 "backport-Use-xmlStrlen-in-CtxtReadDoc.patch", 86 "backport-Create-stream-with-buffer-in-xmlNewStringInputStream.patch", 87 "backport-Use-xmlStrlen-in-xmlNewStringInputStream.patch", 88 "backport-Fix-memory-leak-with-invalid-XSD.patch", 89 "backport-Make-XPath-depth-check-work-with-recursive-invocatio.patch", 90 "backport-Fix-overflow-check-in-SAX2.c.patch", 91 "backport-xinclude-Fix-memory-leak-when-fuzzing.patch", 92 "backport-xinclude-Fix-more-memory-leaks-in-xmlXIncludeLoadDoc.patch", 93 "backport-schemas-Fix-infinite-loop-in-xmlSchemaCheckElemSubst.patch", 94 "backport-malloc-fail-Fix-memory-leak-in-xmlCreatePushParserCt.patch", 95 "backport-malloc-fail-Fix-memory-leak-in-xmlStaticCopyNodeList.patch", 96 "backport-malloc-fail-Fix-memory-leak-in-xmlNewPropInternal.patch", 97 "backport-malloc-fail-Fix-memory-leak-in-xmlNewDocNodeEatName.patch", 98 "backport-malloc-fail-Fix-infinite-loop-in-xmlSkipBlankChars.patch", 99 "backport-malloc-fail-Fix-memory-leak-in-xmlSAX2ExternalSubset.patch", 100 "backport-malloc-fail-Fix-memory-leak-in-xmlParseReference.patch", 101 "backport-malloc-fail-Fix-use-after-free-in-xmlXIncludeAddNode.patch", 102 "backport-malloc-fail-Fix-memory-leak-in-xmlStringGetNodeList.patch", 103 "backport-parser-Fix-error-message-in-xmlParseCommentComplex.patch", 104 "backport-io-Fix-buffer-full-error-with-certain-buffer-sizes.patch", 105 "backport-reader-Switch-to-xmlParserInputBufferCreateMem.patch", 106 "backport-uri-Allow-port-without-host.patch", 107 "backport-parser-Fix-consumed-accounting-when-switching-encodi.patch", 108 "backport-html-Fix-check-for-end-of-comment-in-push-parser.patch", 109 "backport-parser-Fix-push-parser-with-1-3-byte-initial-chunk.patch", 110 "backport-parser-Restore-parser-state-in-xmlParseCDSect.patch", 111 "backport-parser-Remove-dangerous-check-in-xmlParseCharData.patch", 112 "backport-parser-Don-t-call-DefaultSAXHandlerInit-from-xmlInit.patch", 113 "backport-Correctly-relocate-internal-pointers-after-realloc.patch", 114 "backport-Avoid-creating-an-out-of-bounds-pointer-by-rewriting.patch", 115 "backport-error-Make-sure-that-error-messages-are-valid-UTF-8.patch", 116 "backport-io-Check-for-memory-buffer-early-in-xmlParserInputGrow.patch", 117 "backport-io-Remove-xmlInputReadCallbackNop.patch", 118 "backport-Revert-uri-Allow-port-without-host.patch", 119 "backport-xmlParseStartTag2-contains-typo-when-checking-for-default.patch", 120 "backport-parser-Fix-integer-overflow-of-input-ID.patch", 121 "backport-parser-Don-t-increase-depth-twice-when-parsing-internal.patch", 122 "backport-xpath-number-should-return-NaN.patch", 123 "backport-error-Don-t-move-past-current-position.patch", 124 "backport-malloc-fail-Handle-memory-errors-in-xmlTextReaderEntPush.patch", 125 "backport-malloc-fail-Fix-infinite-loop-in-xmlParseTextDecl.patch", 126 "backport-malloc-fail-Fix-null-deref-in-xmlAddDefAttrs.patch", 127 "backport-malloc-fail-Fix-null-deref-if-growing-input-buffer-fails.patch", 128 "backport-malloc-fail-Fix-null-deref-in-xmlSAX2AttributeInternal.patch", 129 "backport-malloc-fail-Fix-null-deref-in-xmlBufResize.patch", 130 "backport-buf-Fix-return-value-of-xmlBufGetInputBase.patch", 131 "backport-malloc-fail-Don-t-call-xmlErrMemory-in-xmlstring.c.patch", 132 "backport-malloc-fail-Fix-reallocation-in-inputPush.patch", 133 "backport-malloc-fail-Fix-use-after-free-in-xmlParseStartTag2.patch", 134 "backport-malloc-fail-Add-error-checks-in-xmlXPathEqualValuesCommon.patch", 135 "backport-malloc-fail-Add-error-check-in-xmlXPathEqualNodeSetFloat.patch", 136 "backport-malloc-fail-Fix-error-check-in-xmlXPathCompareValues.patch", 137 "backport-malloc-fail-Record-malloc-failure-in-xmlXPathCompLiteral.patch", 138 "backport-malloc-fail-Check-return-value-of-xmlXPathNodeSetDupNs.patch", 139 "backport-malloc-fail-Fix-null-deref-in-xmlXIncludeLoadTxt.patch", 140 "backport-malloc-fail-Fix-reallocation-in-xmlXIncludeNewRef.patch", 141 "backport-xinclude-Fix-quadratic-behavior-in-xmlXIncludeLoadTx.patch", 142 "backport-malloc-fail-Fix-memory-leak-in-xmlParserInputBufferCreateMem.patch", 143 "backport-malloc-fail-Check-for-malloc-failure-in-xmlFindCharEncodingHandler.patch", 144 "backport-malloc-fail-Fix-leak-of-xmlCharEncodingHandler.patch", 145 "backport-malloc-fail-Fix-memory-leak-in-xmlParseEntityDecl.patch", 146 "backport-encoding-Cast-toupper-argument-to-unsigned-char.patch", 147 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathCompareValues.patch", 148 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathTryStreamCompile.patch", 149 "backport-malloc-fail-Fix-memory-leak-after-calling-valuePush.patch", 150 "backport-malloc-fail-Fix-memory-leak-after-calling-xmlXPathWrapNodeSet.patch", 151 "backport-malloc-fail-Fix-memory-leak-in-xmlXIncludeAddNode.patch", 152 "backport-malloc-fail-Fix-memory-leak-after-xmlRegNewState.patch", 153 "backport-malloc-fail-Fix-memory-leak-in-xmlSAX2StartElementNs.patch", 154 "backport-malloc-fail-Fix-memory-leak-in-xmlGetDtdElementDesc2.patch", 155 "backport-malloc-fail-Fix-memory-leak-in-xmlDocDumpFormatMemoryEnc.patch", 156 "backport-malloc-fail-Fix-infinite-loop-in-htmlParseStartTag1.patch", 157 "backport-malloc-fail-Fix-memory-leak-in-xmlXIncludeLoadTxt.patch", 158 "backport-malloc-fail-Fix-memory-leak-in-xmlCopyPropList.patch", 159 "backport-malloc-fail-Fix-memory-leak-after-calling-xmlXPathNodeSetMerge.patch", 160 "backport-malloc-fail-Fix-memory-leak-after-calling-xmlXPathWrapString.patch", 161 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathEqualValuesCommon.patch", 162 "backport-malloc-fail-Fix-memory-leak-in-htmlCreateMemoryParserCtxt.patch", 163 "backport-malloc-fail-Fix-memory-leak-in-htmlCreatePushParserCtxt.patch", 164 "backport-malloc-fail-Fix-infinite-loop-in-htmlParseContentInternal.patch", 165 "backport-malloc-fail-Fix-infinite-loop-in-htmlParseStartTag2.patch", 166 "backport-malloc-fail-Fix-null-deref-in-htmlnamePush.patch", 167 "backport-malloc-fail-Fix-infinite-loop-in-htmlParseDocTypeDecl.patch", 168 "backport-malloc-fail-Fix-error-code-in-htmlParseChunk.patch", 169 "backport-malloc-fail-Fix-memory-leak-in-xmlFAParseCharProp.patch", 170 "backport-malloc-fail-Fix-leak-of-xmlRegAtom.patch", 171 "backport-malloc-fail-Fix-memory-leak-in-xmlRegexpCompile.patch", 172 "backport-malloc-fail-Fix-OOB-read-after-xmlRegGetCounter.patch", 173 "backport-parser-Fix-OOB-read-when-formatting-error-message.patch", 174 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathEqualNodeSetF.patch", 175 "backport-malloc-fail-Fix-use-after-free-related-to-xmlXPathNo.patch", 176 "backport-regexp-Add-sanity-check-in-xmlRegCalloc2.patch", 177 "backport-malloc-fail-Fix-null-deref-in-xmlXPathCompiledEvalIn.patch", 178 "backport-malloc-fail-Fix-null-deref-after-xmlPointerListAddSi.patch", 179 "backport-malloc-fail-Fix-memory-leak-in-xmlGetNsList.patch", 180 "backport-malloc-fail-Check-for-malloc-failure-in-xmlHashAddEn.patch", 181 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathCacheNewNodeS.patch", 182 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathDistinctSorte.patch", 183 "backport-xpath-Fix-harmless-integer-overflow-in-xmlXPathTrans.patch", 184 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathNameFunction.patch", 185 "backport-malloc-fail-Fix-memory-leak-in-xmlSchemaItemListAddS.patch", 186 "backport-malloc-fail-Fix-null-deref-in-xmlGet-Min-Max-Occurs.patch", 187 "backport-malloc-fail-Fix-null-deref-in-xmlSchemaValAtomicType.patch", 188 "backport-malloc-fail-Fix-null-deref-in-xmlSchemaInitTypes.patch", 189 "backport-malloc-fail-Fix-memory-leak-in-xmlSchemaParse.patch", 190 "backport-malloc-fail-Fix-memory-leak-in-xmlCopyNamespaceList.patch", 191 "backport-malloc-fail-Fix-another-memory-leak-in-xmlSchemaBuck.patch", 192 "backport-malloc-fail-Fix-null-deref-in-xmlSchemaParseUnion.patch", 193 "backport-malloc-fail-Fix-memory-leak-in-WXS_ADD_-LOCAL-GLOBAL.patch", 194 "backport-malloc-fail-Fix-memory-leak-in-xmlSchemaBucketCreate.patch", 195 "backport-malloc-fail-Fix-null-deref-in-xmlSchemaParseWildcard.patch", 196 "backport-malloc-fail-Fix-type-confusion-after-xmlSchemaFixupT.patch", 197 "backport-malloc-fail-Fix-null-deref-after-xmlSchemaItemList-A.patch", 198 "backport-malloc-fail-Fix-null-deref-after-xmlSchemaCompareDat.patch", 199 "backport-malloc-fail-Fix-memory-leak-in-xmlSchemaParseUnion.patch", 200 "backport-malloc-fail-Fix-memory-leak-in-xmlXPathRegisterNs.patch", 201 "backport-catalog-Fix-memory-leaks.patch", 202 "backport-CVE-2023-29469.patch", 203 "backport-CVE-2023-28484.patch", 204 "backport-valid-Allow-xmlFreeValidCtxt-NULL.patch", 205 "backport-parser-Use-size_t-when-subtracting-input-buffer-poin.patch", 206 "backport-malloc-fail-Fix-null-deref-in-xmlParserInputShrink.patch", 207 "backport-xmllint-Fix-memory-leak-with-pattern-stream.patch", 208 "backport-xzlib-Fix-implicit-sign-change-in-xz_open.patch", 209 "backport-html-Fix-quadratic-behavior-in-htmlParseTryOrFinish.patch", 210 "backport-valid-Make-xmlValidateElement-non-recursive.patch", 211 "backport-malloc-fail-Fix-buffer-overread-in-htmlParseScript.patch", 212 "backport-malloc-fail-Add-more-error-checks-when-parsing-names.patch", 213 "backport-malloc-fail-Add-error-check-in-htmlParseHTMLAttribut.patch", 214 "backport-parser-Limit-name-length-in-xmlParseEncName.patch", 215 "backport-encoding-Fix-error-code-in-asciiToUTF8.patch", 216 "backport-malloc-fail-Fix-buffer-overread-with-HTML-doctype-de.patch", 217 "backport-parser-Fix-regression-in-xmlParserNodeInfo-accountin.patch", 218 "backport-regexp-Fix-cycle-check-in-xmlFAReduceEpsilonTransiti.patch", 219 "backport-regexp-Fix-checks-for-eliminated-transitions.patch", 220 "backport-regexp-Fix-determinism-checks.patch", 221 "backport-regexp-Fix-mistake-in-previous-commit.patch", 222 "backport-regexp-Fix-null-deref-in-xmlFAFinishReduceEpsilonTra.patch", 223 "backport-hash-Fix-possible-startup-crash-with-old-libxslt-ver.patch", 224 "backport-parser-Fix-old-SAX1-parser-with-custom-callbacks.patch", 225 "backport-xmllint-Fix-use-after-free-with-maxmem.patch", 226 "backport-malloc-fail-Check-for-malloc-failures-when-creating.patch", 227 "backport-malloc-fail-Fix-buffer-overread-after-htmlParseScrip.patch", 228 "backport-xmlValidatePopElement-can-return-invalid-value-1.patch", 229 "backport-Fix-use-after-free-in-xmlParseContentInternal.patch", 230 "backport-malloc-fail-Fix-null-deref-after-xmlXIncludeNewRef.patch", 231 "backport-xpath-Ignore-entity-ref-nodes-when-computing-node-ha.patch", 232 "backport-SAX-Always-initialize-SAX1-element-handlers.patch", 233 "Fix-malloc-fail.patch" 234 ] 235 236 for patch in patch_file: 237 file_path = os.path.join(args.source_file, patch) 238 apply_patch(file_path, target_dir) 239 240 241def main(): 242 libpng_path = argparse.ArgumentParser() 243 libpng_path.add_argument('--gen-dir', help='generate path of libxml2') 244 libpng_path.add_argument('--source-file', help='libxml2 source compressed dir') 245 args = libpng_path.parse_args() 246 tar_file_path = os.path.join(args.source_file, "libxml2-2.9.14.tar.xz") 247 target_dir = os.path.join(args.gen_dir, "libxml2-2.9.14") 248 untar_file(tar_file_path, target_dir, args) 249 do_patch(args, target_dir) 250 return 0 251 252 253if __name__ == '__main__': 254 sys.exit(main()) 255