finally move buildroot-ng to trunk

[openwrt/svn-archive/archive.git] / package / base-files / src / adam2patcher.c

diff --git a/package/base-files/src/adam2patcher.c b/package/base-files/src/adam2patcher.c
new file mode 100644 (file)
index 0000000..25a7807
--- /dev/null
+++ b/package/base-files/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);              
+}