X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=package%2Fbase-files%2Fsrc%2Fadam2patcher.c;fp=package%2Fbase-files%2Fsrc%2Fadam2patcher.c;h=25a78074a64c5397bf255cae960ce5110d521f71;hb=f21c448c6d0ec4a3b61c4d826eb8c1b668e10409;hp=0000000000000000000000000000000000000000;hpb=cb3150bc971eacd697ac2fd30f3b0b50e8144b33;p=openwrt-10.03%2F.git diff --git a/package/base-files/src/adam2patcher.c b/package/base-files/src/adam2patcher.c new file mode 100644 index 000000000..25a78074a --- /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 +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +int main(int argc, char **argv) +{ + int fd; + char *ptr; + uint32_t *i; + + if (argc != 2) { + fprintf(stderr, "Usage: %s \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); +}