Merge "Add md5 command to toolbox." into ics-aah (7abfff55) · Commits · e / os / android_system_core

toolbox/Android.mk

+4 −1

Original line number	Diff line number	Diff line
		@@ -55,7 +55,8 @@ TOOLS := \
		nandread \
		ionice \
		touch \
		lsof
		lsof \
		md5

		ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
		TOOLS += r
		@@ -68,6 +69,8 @@ LOCAL_SRC_FILES:= \

		LOCAL_SHARED_LIBRARIES := libcutils libc libusbhost

		LOCAL_C_INCLUDES := bionic/libc/bionic

		LOCAL_MODULE:= toolbox

		# Including this will define $(intermediates).

0 → 100644

+77 −0

Original line number	Diff line number	Diff line
		#include <errno.h>
		#include <fcntl.h>
		#include <stdio.h>
		#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

		static int usage()
		{
		fprintf(stderr,"md5 file ...\n");
		return -1;
		}

		static int do_md5(const char *path)
		{
		unsigned int i;
		int fd;
		MD5_CTX md5_ctx;
		unsigned char md5[MD5_DIGEST_LENGTH];

		fd = open(path, O_RDONLY);
		if (fd < 0) {
		fprintf(stderr,"could not open %s, %s\n", path, strerror(errno));
		return -1;
		}

		/* Note that bionic's MD5_* functions return void. */
		MD5_Init(&md5_ctx);

		while (1) {
		char buf[4096];
		ssize_t rlen;
		rlen = read(fd, buf, sizeof(buf));
		if (rlen == 0)
		break;
		else if (rlen < 0) {
		(void)close(fd);
		fprintf(stderr,"could not read %s, %s\n", path, strerror(errno));
		return -1;
		}
		MD5_Update(&md5_ctx, buf, rlen);
		}
		if (close(fd)) {
		fprintf(stderr,"could not close %s, %s\n", path, strerror(errno));
		return -1;
		}

		MD5_Final(md5, &md5_ctx);

		for (i = 0; i < (int)sizeof(md5); i++)
		printf("%02x", md5[i]);
		printf(" %s\n", path);

		return 0;
		}

		int md5_main(int argc, char *argv[])
		{
		int i, ret = 0;

		if (argc < 2)
		return usage();

		/* loop over the file args */
		for (i = 1; i < argc; i++) {
		if (do_md5(argv[i]))
		ret = 1;
		}

		return ret;
		}