dmcallis
65a0592776
Source code drop for the Actionscript virtual machine in the Adobe Flash Player for December 2013
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */
|
|
/* vi: set ts=4 sw=4 expandtab: (add to ~/.vimrc: set modeline modelines=5) */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/*
|
|
Highly simple utility that sets the UUID of a mach-o object
|
|
to a known value
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <mach-o/loader.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
if (argc != 2) {
|
|
fprintf(stderr, "usage: %s inOutFile\n", argv[0]);
|
|
exit(-1);
|
|
}
|
|
|
|
FILE *f = fopen(argv[1], "r+");
|
|
|
|
uint32_t ncmds = 0;
|
|
|
|
mach_header header;
|
|
|
|
fread(&header, sizeof(header), 1, f);
|
|
|
|
if (header.magic == MH_MAGIC_64) {
|
|
mach_header_64 header64;
|
|
|
|
fseek(f, 0, SEEK_SET);
|
|
fread(&header64, sizeof(header64), 1, f);
|
|
ncmds = header64.ncmds;
|
|
} else
|
|
ncmds = header.ncmds;
|
|
|
|
for (int n = 0; n < ncmds; n++) {
|
|
load_command lc;
|
|
|
|
fread(&lc, sizeof(lc), 1, f);
|
|
|
|
if (lc.cmd == LC_UUID) {
|
|
unsigned uuid[4] = { 'adob',
|
|
'eado',
|
|
'bead',
|
|
'obe ' };
|
|
|
|
unsigned ruuid[4];
|
|
|
|
fread(&ruuid, sizeof(ruuid), 1, f);
|
|
|
|
fseek(f, -sizeof(ruuid), SEEK_CUR);
|
|
|
|
fwrite(&uuid, sizeof(uuid), 1, f);
|
|
printf("found uuid %08x %08x %08x %08x\n", ruuid[0], ruuid[1],
|
|
ruuid[2], ruuid[3]);
|
|
} else {
|
|
fseek(f, lc.cmdsize - sizeof(lc), SEEK_CUR);
|
|
}
|
|
}
|
|
fclose(f);
|
|
return 0;
|
|
}
|