CXX=g++
-WXINCLUDEPATHS=$(shell wx-config --cxxflags)
-
-WXLIBS=$(shell wx-config --libs)
-
USE_UPNP:=0
DEFS=-DNOPCH -DUSE_SSL
-l pthread
-DEBUGFLAGS=-g -D__WXDEBUG__
-CXXFLAGS=-O2 -Wno-invalid-offsetof -Wformat $(DEBUGFLAGS) $(DEFS)
-HEADERS=headers.h strlcpy.h serialize.h uint256.h util.h key.h bignum.h base58.h \
- script.h db.h net.h irc.h keystore.h main.h wallet.h rpc.h uibase.h ui.h noui.h \
- init.h crypter.h
+# Hardening
+# Make some classes of vulnerabilities unexploitable in case one is discovered.
+#
+ # Stack Canaries
+ # Put numbers at the beginning of each stack frame and check that they are the same.
+ # If a stack buffer if overflowed, it writes over the canary number and then on return
+ # when that number is checked, it won't be the same and the program will exit with
+ # a "Stack smashing detected" error instead of being exploited.
+ HARDENING=-fstack-protector-all -Wstack-protector
+
+ # Make some important things such as the global offset table read only as soon as
+ # the dynamic linker is finished building it. This will prevent overwriting of addresses
+ # which would later be jumped to.
+ HARDENING+=-Wl,-z,relro -Wl,-z,now
+
+ # Build position independent code to take advantage of Address Space Layout Randomization
+ # offered by some kernels.
+ # see doc/build-unix.txt for more information.
+ ifdef PIE
+ HARDENING+=-fPIE -pie
+ endif
+
+ # -D_FORTIFY_SOURCE=2 does some checking for potentially exploitable code patterns in
+ # the source such overflowing a statically defined buffer.
+ HARDENING+=-D_FORTIFY_SOURCE=2
+#
+
+
+DEBUGFLAGS=-g
+CXXFLAGS=-O2 -Wno-invalid-offsetof -Wformat $(DEBUGFLAGS) $(DEFS) $(HARDENING)
+HEADERS = \
+ base58.h \
+ bignum.h \
+ crypter.h \
+ db.h \
+ headers.h \
+ init.h \
+ irc.h \
+ key.h \
+ keystore.h \
+ main.h \
+ net.h \
+ noui.h \
+ protocol.h \
+ bitcoinrpc.h \
+ script.h \
+ serialize.h \
+ strlcpy.h \
+ uint256.h \
+ util.h \
+ wallet.h
OBJS= \
- obj/util.o \
- obj/script.o \
+ obj/crypter.o \
obj/db.o \
- obj/net.o \
+ obj/init.o \
obj/irc.o \
obj/keystore.o \
obj/main.o \
+ obj/net.o \
+ obj/protocol.o \
+ obj/bitcoinrpc.o \
+ obj/script.o \
+ obj/util.o \
obj/wallet.o \
- obj/rpc.o \
- obj/init.o \
- obj/crypter.o \
cryptopp/obj/sha.o \
cryptopp/obj/cpu.o
-all: bitcoin
-
-
-obj/%.o: %.cpp $(HEADERS)
- $(CXX) -c $(CXXFLAGS) $(WXINCLUDEPATHS) -DGUI -o $@ $<
-
-cryptopp/obj/%.o: cryptopp/%.cpp
- $(CXX) -c $(CXXFLAGS) -O3 -o $@ $<
-
-bitcoin: $(OBJS) obj/ui.o obj/uibase.o
- $(CXX) $(CXXFLAGS) -o $@ $^ $(WXLIBS) $(LIBS)
+all: bitcoind
obj/nogui/%.o: %.cpp $(HEADERS)
$(CXX) $(CXXFLAGS) -o $@ $(LIBPATHS) $^ -Wl,-Bstatic -lboost_unit_test_framework $(LIBS)
clean:
- -rm -f bitcoin bitcoind test_bitcoin
+ -rm -f bitcoind test_bitcoin
-rm -f obj/*.o
-rm -f obj/nogui/*.o
-rm -f obj/test/*.o