diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..ca01d45 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,46 @@ +FROM alpine:3.12.0 + +ENV UNICORN_VER 1.0.3 +ENV CAPSTONE_VER 4.0.2 +ENV KEYSTONE_VER 0.9.2 + +RUN echo "http://alpine.42.fr/v3.12/main" > /etc/apk/repositories +RUN echo "http://alpine.42.fr/v3.12/community" >> /etc/apk/repositories +RUN apk --no-cache update +RUN apk --no-cache upgrade +RUN apk --no-cache add bash util-linux coreutils curl make cmake gcc g++ libstdc++ libgcc zlib-dev \ + git sed tar wget gzip indent binutils hexdump dos2unix xxd autoconf automake autoconf-archive\ + libtool linux-headers ncurses-dev +WORKDIR /usr/src/ +RUN git clone git://github.com/gansm/finalcut.git +WORKDIR /usr/src/finalcut +RUN autoreconf --install --force && ./configure --prefix=/usr && make && make install + +WORKDIR /usr/src +RUN wget https://github.com/unicorn-engine/unicorn/archive/${UNICORN_VER}.tar.gz && tar -xzf ${UNICORN_VER}.tar.gz +WORKDIR /usr/src/unicorn-${UNICORN_VER} +RUN UNICORN_ARCHS="x86" ./make.sh && UNICORN_ARCHS="x86" ./make.sh install + +RUN apk --no-cache add python3-dev + +WORKDIR /usr/src +RUN wget https://github.com/keystone-engine/keystone/archive/${KEYSTONE_VER}.tar.gz && tar -xzf ${KEYSTONE_VER}.tar.gz +RUN ls +WORKDIR /usr/src/keystone-${KEYSTONE_VER} +RUN mkdir build +WORKDIR /usr/src/keystone-${KEYSTONE_VER}/build +RUN cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON -DLLVM_TARGETS_TO_BUILD="X86" -G "Unix Makefiles" .. +RUN make -j8 +RUN make install + +WORKDIR /usr/src +RUN wget https://github.com/aquynh/capstone/archive/${CAPSTONE_VER}.tar.gz && tar -xzf ${CAPSTONE_VER}.tar.gz +WORKDIR /usr/src/capstone-${CAPSTONE_VER} +RUN CAPSTONE_ARCHS="x86" CAPTONE_X86_REDUCE="yes" ./make.sh && CAPSTONE_ARCHS="x86" CAPTONE_X86_REDUCE="yes" ./make.sh install + +RUN adduser -D -H -u 502 utilisateur +RUN adduser -D -H -u 1000 utilisateurs +RUN mkdir /data +WORKDIR /data + +ENV LD_LIBRARY_PATH /usr/lib64 diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..57c187c --- /dev/null +++ b/Makefile @@ -0,0 +1,21 @@ +CC=g++ -O2 +LFLAGS=-lfinal -lkeystone -lstdc++ -lm -lcapstone -lunicorn +DOCKER=docker run -it --name maker --rm -v $$(pwd):/data maker + +all: dockerfile files run + +dockerfile: + docker build . -t maker + +files: ./test + +test: ./test.cpp + $(DOCKER) $(CC) -o $@ $^ $(LFLAGS) + +run: + $(DOCKER) ./test + +rerun: delete files run + +delete: + rm -rf ./test diff --git a/README.md b/README.md new file mode 100644 index 0000000..1baf274 --- /dev/null +++ b/README.md @@ -0,0 +1,3 @@ +# IA86, The even more pedagogical system + +Logiciel pour apprendre à utiliser l'assembleur diff --git a/test b/test new file mode 100755 index 0000000..9833885 Binary files /dev/null and b/test differ diff --git a/test.cpp b/test.cpp new file mode 100644 index 0000000..0284b57 --- /dev/null +++ b/test.cpp @@ -0,0 +1,103 @@ +#include +#include +#include +#include +#include + +#define CODE "INC cx; DEC dx" + +#define ADDRESS 0x1000 + +int main (int argc, char* argv[]) +{ + ks_engine *ks; + ks_err err; + size_t count; + unsigned char *encode; + size_t sizecode; + + err = ks_open(KS_ARCH_X86, KS_MODE_16, &ks); + if (err != KS_ERR_OK) { + printf("ERROR: failed on ks_open(), quit\n"); + return -1; + } + + if (ks_asm(ks, CODE, 0, &encode, &sizecode, &count) != KS_ERR_OK) { + printf("ERROR: ks_asm() failed & count = %lu, error = %u\n", + count, ks_errno(ks)); + } else { + size_t i; + + printf("%s = ", CODE); + for (i = 0; i < sizecode; i++) { + printf("%02x ", encode[i]); + } + printf("\n"); + printf("Compiled: %lu bytes, statements: %lu\n", sizecode, count); + } + ks_free(encode); + ks_close(ks); + csh handle; + cs_insn *insn; + + if (cs_open(CS_ARCH_X86, CS_MODE_16, &handle) != CS_ERR_OK) + return -1; + count = cs_disasm(handle, encode, sizecode, ADDRESS, 0, &insn); + if (count > 0) { + size_t j; + for (j = 0; j < count; j++) { + printf("0x%"PRIx64":\t%s\t\t%s\n", insn[j].address, insn[j].mnemonic, + insn[j].op_str); + } + + cs_free(insn, count); + } else + printf("ERROR: Failed to disassemble given code!\n"); + + cs_close(&handle); + +uc_engine *uc; + uc_err error; + int r_cx = 0x1234; + int r_dx = 0x7890; + int r_ip = 0x0000; + printf("Emulate i386 code\n"); + error = uc_open(UC_ARCH_X86, UC_MODE_16, &uc); + if (error != UC_ERR_OK) { + printf("Failed on uc_open() with error returned: %u\n", error); + return -1; + } + uc_mem_map(uc, ADDRESS, 1 * 1024 * 1024, UC_PROT_ALL); + if (uc_mem_write(uc, ADDRESS, encode, sizecode)) { + printf("Failed to write emulation code to memory, quit!\n"); + return -1; + } + uc_reg_write(uc, UC_X86_REG_CX, &r_cx); + uc_reg_write(uc, UC_X86_REG_DX, &r_dx); + uc_reg_read(uc, UC_X86_REG_IP, &r_ip); + printf(">>> CX = 0x%x\n", r_cx); + printf(">>> DX = 0x%x\n", r_dx); + printf(">>> IP = 0x%x\n", r_ip); + error=uc_emu_start(uc, ADDRESS, ADDRESS + sizecode, 0, 0); + if (error) { + printf("Failed on uc_emu_start() with error returned %u: %s\n", + error, uc_strerror(error)); + } + printf("Emulation done. Below is the CPU context\n"); + uc_reg_read(uc, UC_X86_REG_CX, &r_cx); + uc_reg_read(uc, UC_X86_REG_DX, &r_dx); + uc_reg_read(uc, UC_X86_REG_IP, &r_ip); + printf(">>> CX = 0x%x\n", r_cx); + printf(">>> DX = 0x%x\n", r_dx); + printf(">>> IP = 0x%x\n", r_ip); + uc_close(uc); + finalcut::FApplication app(argc, argv); + finalcut::FDialog dialog(&app); + dialog.setText ("A dialog"); + const finalcut::FPoint position{25, 5}; + const finalcut::FSize size{30, 10}; + dialog.setGeometry (position, size); + finalcut::FWidget::setMainWidget(&dialog); + dialog.show(); + return app.exec(); +}