Switch md5 over to openssl rather than libc.

It doesn't make any sense for the C library to contain private stuff
that's only used by toolbox. Rather than move that stuff out of bionic
and into here, let's just use the same MD5 implementation the rest of
the system's using.

Change-Id: Ia1c73164124094b532af3453b90c4bd1ebfdaa24

toolbox/Android.mk

@@ -2,73 +2,73 @@ LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
 TOOLS := \
-	ls \
-	mount \
 	cat \
-	ps \
-	kill \
-	ln \
-	insmod \
-	rmmod \
-	lsmod \
-	ifconfig \
-	rm \
-	mkdir \
-	rmdir \
-	getevent \
-	sendevent \
-	date \
-	wipe \
-	sync \
-	umount \
-	start \
-	stop \
-	notify \
-	cmp \
-	dmesg \
-	route \
-	hd \
-	dd \
-	df \
-	getprop \
-	setprop \
-	watchprops \
-	log \
-	sleep \
-	renice \
-	printenv \
-	smd \
+	chcon \
 	chmod \
 	chown \
-	newfs_msdos \
-	netstat \
-	ioctl \
-	mv \
-	schedtop \
-	top \
-	iftop \
+	clear \
+	cmp \
+	date \
+	dd \
+	df \
+	dmesg \
+	du \
+	getenforce \
+	getevent \
+	getprop \
+	getsebool \
+	hd \
 	id \
+	ifconfig \
+	iftop \
+	insmod \
+	ioctl \
+	ionice \
+	kill \
+	ln \
+	load_policy \
+	log \
+	ls \
+	lsmod \
+	lsof \
+	md5 \
+	mkdir \
+	mkswap \
+	mount \
+	mv \
+	nandread \
+	netstat \
+	newfs_msdos \
+	notify \
+	printenv \
+	ps \
+	readlink \
+	renice \
+	restorecon \
+	rm \
+	rmdir \
+	rmmod \
+	route \
+	runcon \
+	schedtop \
+	sendevent \
+	setenforce \
+	setprop \
+	setsebool \
+	sleep \
+	smd \
+	start \
+	stop \
+	swapoff \
+	swapon \
+	sync \
+	top \
+	touch \
+	umount \
 	uptime \
 	vmstat \
-	nandread \
-	ionice \
-	touch \
-	lsof \
-	du \
-	md5 \
-	clear \
-	getenforce \
-	setenforce \
-	chcon \
-	restorecon \
-	runcon \
-	getsebool \
-	setsebool \
-	load_policy \
-	swapon \
-	swapoff \
-	mkswap \
-	readlink
+	watchprops \
+	wipe \
 
 ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
 TOOLS += r
@@ -92,21 +92,25 @@ LOCAL_SRC_FILES := \
 	toolbox.c \
 	uid_from_user.c \
 
-LOCAL_C_INCLUDES := bionic/libc/bionic
-
 LOCAL_CFLAGS += \
     -std=gnu99 \
     -Werror -Wno-unused-parameter \
     -include bsd-compatibility.h \
 
+LOCAL_C_INCLUDES += external/openssl/include
+
 LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-	liblog \
-	libc \
-	libusbhost \
-	libselinux
+    libcrypto \
+    libcutils \
+    libselinux \
+
+# libusbhost is only used by lsusb, and that isn't usually included in toolbox.
+# The linker strips out all the unused library code in the normal case.
+LOCAL_STATIC_LIBRARIES := \
+    libusbhost \
 
 LOCAL_MODULE := toolbox
+LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
 
 # Including this will define $(intermediates).
 #

toolbox/md5.c

@@ -4,12 +4,7 @@
 #include <unistd.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <md5.h>
-
-/* When this was written, bionic's md5.h did not define this. */
-#ifndef MD5_DIGEST_LENGTH
-#define MD5_DIGEST_LENGTH 16
-#endif
+#include <openssl/md5.h>
 
 static int usage()
 {
@@ -30,7 +25,6 @@ static int do_md5(const char *path)
         return -1;
     }
 
-    /* Note that bionic's MD5_* functions return void. */
     MD5_Init(&md5_ctx);
 
     while (1) {