int main (int argc, const char * argv[])
{
printf(" ______ __ \n");
printf(" | |.----.--.--.-----.| |_ \n");
printf(" | ---|| _| | | _ || _|\n");
printf(" |______||__| |___ | __||____|\n");
printf(" |_____|__| \n");
printf(" _______ __ __ \n");
printf(" | ___|.--.--.-----.----.| |_|__|.-----.-----.-----.\n");
printf(" | ___|| | | | __|| _| || _ | |__ --|\n");
printf(" |___| |_____|__|__|____||____|__||_____|__|__|_____|\n");
printf(" v%s\n", VERSION);
printf(" (c) fG!, 2011. All rights reserved. - [email protected]\n");
printf("--------------------------------------------------------\n");
FILE *in_file;
in_file = fopen(argv[1], "r");
if (!in_file)
{
printf("[ERROR] Could not open target file %s!\n", argv[1]);
return(1);
}
if (fseek(in_file, 0, SEEK_END))
{
printf("[ERROR] Fseek failed at %s\n", argv[1]);
return(1);
}
uint32_t fileSize;
fileSize = ftell(in_file);
#if DEBUG
printf("[DEBUG] filesize is %d\n", fileSize);
#endif
if (fseek(in_file, 0, SEEK_SET))
{
printf("[ERROR] Fseek failed at %s\n", argv[1]);
return(1);
}
uint8_t *targetBuffer;
MALLOC(targetBuffer, fileSize);
fread(targetBuffer, fileSize, 1, in_file);
if (ferror(in_file))
{
printf("[ERROR] fread failed at %s\n", argv[1]);
return(1);
}
fclose(in_file);
// verify if it's a valid mach-o binary
verify_macho(targetBuffer);
//
get_header_info(targetBuffer);
//
get_symbols_info(targetBuffer);
// start encrypting
for (uint32_t i = 0; i < headerInfo.nrFunctions; i++)
{
if (strcmp(symbolsInfo[i].name, argv[2]) == 0)
{
printf("Found target function to encrypt!\n");
for (uint32_t x = 0; x < symbolsInfo[i].size; x++)
{
*(uint8_t*)(targetBuffer+symbolsInfo[i].offset+x) ^= 0x69;
}
printf("Original values %x %x\n", *(uint32_t*)(targetBuffer + headerInfo.tableLocation), *(uint32_t*)(targetBuffer + headerInfo.tableLocation+4));
*(uint32_t*)(targetBuffer + headerInfo.tableLocation) = symbolsInfo[i].location;
*(uint32_t*)(targetBuffer + headerInfo.tableLocation+4) = symbolsInfo[i].size;
printf("Modified values %x %x\n", *(uint32_t*)(targetBuffer + headerInfo.tableLocation), *(uint32_t*)(targetBuffer + headerInfo.tableLocation+4));
}
}
FILE *output = NULL;
output = fopen("crap", "wb");
fwrite(targetBuffer, fileSize, 1, output);
fclose(output);
free(symbolsInfo);
free(targetBuffer);
return 0;
}
static WAVE_PLAY *create(WAVE_PLAY **p_wave_play,WAVE_PARAMS *p_wave_params)
{
WAVE_PLAY *p_this_wave=NULL;
p_this_wave=safe_malloc(sizeof(WAVE_PLAY));
memset(p_this_wave,0,sizeof(WAVE_PLAY));
p_this_wave->wave_file=strcpy(safe_malloc(strlen(p_wave_params->wave_file)+1),p_wave_params->wave_file);
p_this_wave->gain=p_wave_params->gain;
p_this_wave->loops=p_wave_params->loops;
p_this_wave->cb_is_exit=p_wave_params->p_func;
p_this_wave->cbClientData=p_wave_params;
p_this_wave->f=0;
#ifndef _WIN32
if (!(p_this_wave->f=utf_fopen(p_wave_params->wave_file,"r"))) {
#else
if (!(p_this_wave->f=utf_fopen(p_wave_params->wave_file,"r+b"))) {
#endif
DBG_PRINTF((LOG_CRIT, "C:" MODULE_TAG "fopen failed in function create, " \
"attempting to open wave file %s...\n",p_wave_params->wave_file));
destroy(&p_this_wave);
return NULL;
}
if (!(get_header_info(p_this_wave))) {
DBG_PRINTF((LOG_CRIT, "C:" MODULE_TAG "get_header_info failed in function create...\n"));
destroy(&p_this_wave);
return NULL;
}
if (!(p_this_wave->bits_per_sample==8 || p_this_wave->bits_per_sample==16 ||
p_this_wave->bits_per_sample==24 || p_this_wave->bits_per_sample==32))
p_this_wave->gain=0;
p_this_wave->bytes_per_sample=p_this_wave->bits_per_sample/8;
/*stream buff_factor mult or div of bytes per second at a time*/
p_this_wave->buffer_size=(int) (p_this_wave->sample_rate*(!(p_wave_params->buff_factor) ?
.25:p_wave_params->buff_factor)*p_this_wave->block_align*p_this_wave->output_factor);
p_this_wave->wave_buff[0]=safe_malloc(p_this_wave->buffer_size);
p_this_wave->wave_buff[1]=safe_malloc(p_this_wave->buffer_size);
p_this_wave->cur_buffer=0;
#ifdef _WIN32
p_this_wave->win_data.whdr[0].lpData=p_this_wave->wave_buff[0];
p_this_wave->win_data.whdr[1].lpData=p_this_wave->wave_buff[1];
p_this_wave->win_data.whdr[0].dwBufferLength=p_this_wave->buffer_size;
p_this_wave->win_data.whdr[1].dwBufferLength=p_this_wave->buffer_size;
p_this_wave->win_data.whdr[0].dwFlags=0;
p_this_wave->win_data.whdr[1].dwFlags=0;
p_this_wave->win_data.hBuffSem=CreateSemaphore(NULL,0,1,NULL);
#endif
*p_wave_play=p_this_wave;
return p_this_wave;
}
#ifdef _WIN32
static int unprepair_header(WAVE_PLAY *p_wave_play,int index)
{
int wave_ret=MMSYSERR_NOERROR;
while ((wave_ret=waveOutUnprepareHeader(p_wave_play->win_data.hwave,&(p_wave_play->win_data.whdr[index]),
sizeof(WAVEHDR)))==WAVERR_STILLPLAYING)
wait_done_playing(p_wave_play);
return wave_ret;
}