llvm/llvm-project

[clang-analyzer-security.insecureAPI.strcpy] extend list of unsafe functions

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#103,038 opened on Aug 13, 2024

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clang:static analyzergood first issue

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Description

Hi,

it would be nice, if the list of functions, that are marked as unsafe would be extensible or include i.e. the following (under windows and atl/mfc microsoft propietary stuff)

  • _strcpy
  • _strdup
  • _strcat
  • _tcscpy
  • _tcscat
  • _tcsdup
  • lstrcpy
  • lstrcat
  • strncpy
  • strncat

Check: https://clang.llvm.org/docs/analyzer/checkers.html#security-insecureapi-strcpy-c Label : clang-tidy Type: Enhancement

Contributor guide

Research direction
Locate the source file in clang analyzer that defines the list of unsafe strcpy functions (e.g., in `clang/lib/StaticAnalyzer/Checkers/`) and add the requested functions to the appropriate list. Also ensure to handle platform specific functions like Windows/ATL.
Tech stack
ccpp
Domain
security
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitC++
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70