homebrewfilter/installer/source/title.c
Christopher Roy Bratusek c271b85907 added HBF-Installer to GIT
2011-10-15 17:31:29 +02:00

85 lines
1.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <malloc.h>
#include <ogcsys.h>
#include "sha1.h"
#define round_up(x,n) (-(-(x) & -(n)))
s32 Title_ZeroSignature(signed_blob *p_sig)
{
u8 *ptr = (u8 *)p_sig;
/* Fill signature with zeroes */
memset(ptr + 4, 0, SIGNATURE_SIZE(p_sig) - 4);
return 0;
}
s32 Title_FakesignTik(signed_blob *p_tik)
{
tik *tik_data = NULL;
u16 fill;
/* Zero signature */
Title_ZeroSignature(p_tik);
/* Ticket data */
tik_data = (tik *)SIGNATURE_PAYLOAD(p_tik);
for (fill = 0; fill < USHRT_MAX; fill++) {
sha1 hash;
/* Modify ticket padding field */
tik_data->padding = fill;
/* Calculate hash */
SHA1((u8 *)tik_data, sizeof(tik), hash);
/* Found valid hash */
if (!hash[0])
return 0;
}
return -1;
}
s32 Title_GetTicketViews(u64 tid, tikview **outbuf, u32 *outlen)
{
tikview *views = NULL;
u32 nb_views;
s32 ret;
/* Get number of ticket views */
ret = ES_GetNumTicketViews(tid, &nb_views);
if (ret < 0)
return ret;
/* Allocate memory */
views = (tikview *)memalign(32, sizeof(tikview) * nb_views);
if (!views)
return -1;
/* Get ticket views */
ret = ES_GetTicketViews(tid, views, nb_views);
if (ret < 0)
goto err;
/* Set values */
*outbuf = views;
*outlen = nb_views;
return 0;
err:
/* Free memory */
if (views)
free(views);
return ret;
}