DepTaint

1. Install

• Version of LLVM-3.5.0: If you have this version, you can skip installation of LLVM. We need to download Clang source code (.sig), LLVM source code (.sig), Compiler RT source code (.sig). Then UnZip LLVM source code and rename clang, UnZip Compiler RT source code. make and make install need more than one hour.

# cp -rf clang llvm-3.5.0/tools
# cp -rf compiler-rt-3.5.0.src llvm-3.5.0/projects
# cd llvm-3.5.0
# mkdir build
# cd build
# cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD="X86" ../
# make -j 4
# sudo make install

• Install Deptaint

# git clone https://github.com/BinLeeBit/DepTaint
# cd DepTaint
# mkdir bin obj
# sudo make

2. Run (select the test: ex6)

• Translate ex6.c to the Intermediate Representation(IR)

# clang -emit-llvm -c -g ex6.c -o ex6.bc

• (Optional) Translate binary IR(.bc) to readable type(.ll)

# llvm-dis ex6.bc

• Use Deptaint to analyze IR. You can get a program dependence gragph dot file and a taint variable txt file.

# opt -load ./bin/pdg.so -dot-pdg ex6.bc