From e2f57790973a69f3cce142d420037612d9011bba Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 20 Apr 2007 15:16:51 +0000
Subject: [PATCH] copy adam2 patch from ar7-2.4 to ar7-2.6
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7014 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
target/linux/ar7-2.6/base-files.mk | 11 ++++
.../base-files/default/etc/init.d/adam2 | 13 ++++
target/linux/ar7-2.6/src/adam2patcher.c | 59 +++++++++++++++++++
3 files changed, 83 insertions(+)
create mode 100644 target/linux/ar7-2.6/base-files.mk
create mode 100755 target/linux/ar7-2.6/base-files/default/etc/init.d/adam2
create mode 100644 target/linux/ar7-2.6/src/adam2patcher.c
diff --git a/target/linux/ar7-2.6/base-files.mk b/target/linux/ar7-2.6/base-files.mk
new file mode 100644
index 000000000..f21a604b8
--- /dev/null
+++ b/target/linux/ar7-2.6/base-files.mk
@@ -0,0 +1,11 @@
+define Build/Compile
+ $(call Build/Compile/Default)
+ $(TARGET_CC) -o $(PKG_BUILD_DIR)/adam2patcher $(PLATFORM_DIR)/src/adam2patcher.c
+endef
+
+define Package/base-files/install-target
+ mkdir -p $(1)/sbin
+ $(CP) $(PKG_BUILD_DIR)/adam2patcher $(1)/sbin
+endef
+
+
diff --git a/target/linux/ar7-2.6/base-files/default/etc/init.d/adam2 b/target/linux/ar7-2.6/base-files/default/etc/init.d/adam2
new file mode 100755
index 000000000..425bc15d6
--- /dev/null
+++ b/target/linux/ar7-2.6/base-files/default/etc/init.d/adam2
@@ -0,0 +1,13 @@
+#!/bin/sh /etc/rc.common
+# ADAM2 patcher for Netgear DG834 and compatible
+# Copyright (C) 2006 OpenWrt.org
+
+START=00
+start() {
+ MD5="$(md5sum /dev/mtdblock/0 | awk '{print $1}')"
+ [ "$MD5" = "0530bfdf00ec155f4182afd70da028c1" ] && {
+ mtd unlock adam2
+ /sbin/adam2patcher /dev/mtdblock/0
+ }
+ rm -f /etc/init.d/S00adam2 /sbin/adam2patcher >&- 2>&-
+}
diff --git a/target/linux/ar7-2.6/src/adam2patcher.c b/target/linux/ar7-2.6/src/adam2patcher.c
new file mode 100644
index 000000000..25a78074a
--- /dev/null
+++ b/target/linux/ar7-2.6/src/adam2patcher.c
@@ -0,0 +1,59 @@
+/*
+ * patcher.c - ADAM2 patcher for Netgear DG834 (and compatible)
+ *
+ * Copyright (C) 2006 Felix Fietkau
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <string.h>
+
+#include <sys/ioctl.h>
+
+int main(int argc, char **argv)
+{
+ int fd;
+ char *ptr;
+ uint32_t *i;
+
+ if (argc != 2) {
+ fprintf(stderr, "Usage: %s <filename>\n", argv[0]);
+ exit(1);
+ }
+
+ if (((fd = open(argv[1], O_RDWR)) < 0)
+ || ((ptr = mmap(0, 128 * 1024, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0)) == (void *) (-1))) {
+ fprintf(stderr, "Can't open file\n");
+ exit(1);
+ }
+
+ i = (uint32_t *) &ptr[0x3944];
+ if (*i == 0x0c000944) {
+ fprintf(stderr, "Unpatched ADAM2 detected. Patching... ");
+ *i = 0x00000000;
+ msync(i, sizeof(*i), MS_SYNC|MS_INVALIDATE);
+ fprintf(stderr, "done!\n");
+ } else if (*i == 0x00000000) {
+ fprintf(stderr, "Patched ADAM2 detected.\n");
+ } else {
+ fprintf(stderr, "Unknown ADAM2 detected. Can't patch!\n");
+ }
+
+ close(fd);
+}