From 98661c1a298cb01c93ae31973a42d152077beae6 Mon Sep 17 00:00:00 2001
From: Ethan Yonker <dees_troy@teamw.in>
Date: Wed, 17 Oct 2018 08:39:28 -0500
Subject: Update FDE decrypt to pie from CAF

cryptfs.cpp based on CAF tag LA.UM.7.3.r1-05900-sdm845.0
Used CAF because AOSP no longer contains code for qcom's hardware
crypto.

Change-Id: I921cbe9bed70989f91449e23b5ac3ec1037b7b97
---
 crypto/fde/main.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 crypto/fde/main.cpp

(limited to 'crypto/fde/main.cpp')

diff --git a/crypto/fde/main.cpp b/crypto/fde/main.cpp
new file mode 100644
index 000000000..7051a6d7b
--- /dev/null
+++ b/crypto/fde/main.cpp
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <linux/types.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <linux/dm-ioctl.h>
+#include <libgen.h>
+#include <stdlib.h>
+#include <sys/param.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <openssl/evp.h>
+#include <errno.h>
+#include <linux/kdev_t.h>
+#include <time.h>
+#include "cryptfs.h"
+#include "cutils/properties.h"
+#include "crypto_scrypt.h"
+
+void usage() {
+	printf("  Usage:\n");
+	printf("    twrpdec /path/to/userdata /path/to/metadata filesystem password\n");
+	printf("\n");
+	printf("  The metadata path is the path to the footer. If no metadata\n");
+	printf("  partition is present then use footer for this argument.\n");
+	printf("\n");
+	printf("  Example:\n");
+	printf("    twrpdec /dev/block/bootdevice/by-name/userdata footer ext4 0000\n");
+}
+
+int main(int argc, char **argv) {
+	if (argc != 5) {
+		usage();
+		return -1;
+	}
+	set_partition_data(argv[1], argv[2], argv[3]);
+	//int ret = cryptfs_check_passwd("30303030");
+	int ret = cryptfs_check_passwd(argv[4]);
+	return 0;
+}
-- 
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