Add TD5 q3 (first part)

content/secu_logicielle/td5-stackoverflow_shellcode/files/q3/Makefile

@@ -0,0 +1,44 @@
+# CC = gcc
+CFLAGS = -g -zexecstack
+SFLASG = 
+SRC = $(wildcard *.c) $(wildcard *.s)
+TGT = $(subst .c,,$(subst. .S,,$(SRC)))
+BUILD_DIR = build
+DUMP_DIR = dump
+
+
+pframe:
+	curl -o pframe.tgz  https://dept-info.labri.fr/~thibault/SecuLog/pframe.tgz && \
+		tar -xf pframe.tgz &&\
+		rm -rf pframe.tgz
+
+.gdbinit:
+
+configure: pframe .gdbinit
+	$(shell echo "python import pframe" > .gdbinit) 
+
+$(BUILD_DIR)/%: %.c
+	$(shell mkdir -p $(BUILD_DIR))
+	$(CC) $(CFLAGS) -o $@ $<
+
+$(BUILD_DIR)/%: %.S
+	$(shell mkdir -p $(BUILD_DIR))
+	$(CC) -g $< -o $@ -static -nostdlib
+
+build: $(addprefix $(BUILD_DIR)/, $(TGT))
+
+PHONY: gdb
+gdb: build/shellcode configure
+	PYTHONPATH=${PWD}/pframe${PYTHONPATH:+:${PYTHONPATH}} \
+		   setarch -R gdb ./$(BUILD_DIR)/shellcode
+
+PHONY: opcode
+opcode: build/shellcode
+	readelf -x .text build/shellcode | sed -e '$$ d' -e '1,2 d' \
+		| awk '{$$1=$$6=""; print $$0}' \
+		| tr -d '[ \n]' \
+		| sed 's/../0x&,/g' > opcode.txt
+
+PHONY: clean
+clean:
+	@rm -rf $(BUILD_DIR) pframe .gdbinit opcode.txt