From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- build/clang-plugin/LoadLibraryUsageChecker.cpp | 34 ++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 build/clang-plugin/LoadLibraryUsageChecker.cpp (limited to 'build/clang-plugin/LoadLibraryUsageChecker.cpp') diff --git a/build/clang-plugin/LoadLibraryUsageChecker.cpp b/build/clang-plugin/LoadLibraryUsageChecker.cpp new file mode 100644 index 0000000000..1c7d336ea9 --- /dev/null +++ b/build/clang-plugin/LoadLibraryUsageChecker.cpp @@ -0,0 +1,34 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "LoadLibraryUsageChecker.h" +#include "CustomMatchers.h" + +// On MacOS the filesystem is UTF-8, on linux the canonical filename is 8-bit +// string. On Windows data loss conversion will occur. This checker restricts +// the use of ASCII file functions for loading libraries. + +void LoadLibraryUsageChecker::registerMatchers(MatchFinder *AstMatcher) { + AstMatcher->addMatcher( + callExpr( + allOf(isFirstParty(), + callee(functionDecl(anyOf( + allOf(isInSystemHeader(), anyOf(hasName("LoadLibraryA"), + hasName("LoadLibraryExA"))), + hasName("PR_LoadLibrary")))), + unless(hasArgument(0, stringLiteral())))) + .bind("funcCall"), + this); +} + +void LoadLibraryUsageChecker::check(const MatchFinder::MatchResult &Result) { + const CallExpr *FuncCall = Result.Nodes.getNodeAs("funcCall"); + + if (FuncCall) { + diag(FuncCall->getBeginLoc(), + "Usage of ASCII file functions (such as %0) is forbidden.", + DiagnosticIDs::Error) + << FuncCall->getDirectCallee()->getName(); + } +} -- cgit v1.2.3