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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /build/clang-plugin/LoadLibraryUsageChecker.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'build/clang-plugin/LoadLibraryUsageChecker.cpp')
-rw-r--r-- | build/clang-plugin/LoadLibraryUsageChecker.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
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<CallExpr>("funcCall"); + + if (FuncCall) { + diag(FuncCall->getBeginLoc(), + "Usage of ASCII file functions (such as %0) is forbidden.", + DiagnosticIDs::Error) + << FuncCall->getDirectCallee()->getName(); + } +} |