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Fix insecureAPI, NonLocalizedStringChecker, NewDeleteLeaks macOS clang errors #31333
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jmagman
commented
Feb 8, 2022
| [engine setViewController:viewController]; | ||
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| // Unit test localization is unnecessary. | ||
| // NOLINTBEGIN(clang-analyzer-optin.osx.cocoa.localizability.NonLocalizedStringChecker) |
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error: User-facing text should use localized string macro [clang-analyzer-optin.osx.cocoa.localizability.NonLocalizedStringChecker,-warnings-as-errors]
| size_t len = strlen(event->character); | ||
| char* character = new char[len + 1]; | ||
| strcpy(character, event->character); | ||
| strlcpy(character, event->character, sizeof(character)); |
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Doesn't matter for this unit test, but can't hurt.
error: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy,-warnings-as-errors]
| NSCAssert(keyLabelChar <= 0x10FFFF, @"Out of range keylabel 0x%x", keyLabelChar); | ||
| character = keyLabelChar; | ||
| } | ||
| delete[] keyLabel; |
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error: Potential leak of memory pointed to by 'keyLabel' [clang-analyzer-cplusplus.NewDeleteLeaks,-warnings-as-errors]
| } | ||
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| } // flutter::testing | ||
| } // namespace flutter::testing |
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This was just a warning, but fix it anyway:
warning: namespace 'flutter::testing' ends with an unrecognized comment [google-readability-namespace-comments]
| void EpsilonRandomSleep() { | ||
| TimeDelta duration = | ||
| TimeDelta::FromMilliseconds(static_cast<unsigned>(rand()) % 20u); | ||
| TimeDelta::FromMilliseconds(static_cast<unsigned>(arc4random()) % 20u); |
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Doesn't matter for these unit tests, but can't hurt.
error: Function 'rand' is obsolete because it implements a poor random number generator. Use 'arc4random' instead [clang-analyzer-security.insecureAPI.rand,-warnings-as-errors]
jmagman
commented
Feb 8, 2022
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| #include "flutter/fml/synchronization/waitable_event.h" | ||
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| #include <stdlib.h> |
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Hmm, why isn't this include sufficient?
../../flutter/fml/synchronization/waitable_event_unittest.cc:35:57: error: use of undeclared identifier 'arc4random'
TimeDelta::FromMilliseconds(static_cast<unsigned>(arc4random()) % 20u);
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Closing in favor of Zach's fixes in #31291. |
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Fix some of the clang-tidy errors in the macOS embedder found in #31291 (comment).
Pre-launch Checklist
writing and running engine tests.
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