mirror of
https://gitlab.com/Nanolx/homebrewfilter.git
synced 2024-11-15 05:45:12 +01:00
85 lines
1.3 KiB
C
85 lines
1.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <malloc.h>
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#include <ogcsys.h>
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#include "sha1.h"
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#define round_up(x,n) (-(-(x) & -(n)))
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s32 Title_ZeroSignature(signed_blob *p_sig)
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{
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u8 *ptr = (u8 *)p_sig;
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/* Fill signature with zeroes */
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memset(ptr + 4, 0, SIGNATURE_SIZE(p_sig) - 4);
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return 0;
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}
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s32 Title_FakesignTik(signed_blob *p_tik)
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{
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tik *tik_data = NULL;
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u16 fill;
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/* Zero signature */
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Title_ZeroSignature(p_tik);
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/* Ticket data */
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tik_data = (tik *)SIGNATURE_PAYLOAD(p_tik);
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for (fill = 0; fill < USHRT_MAX; fill++) {
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sha1 hash;
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/* Modify ticket padding field */
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tik_data->padding = fill;
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/* Calculate hash */
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SHA1((u8 *)tik_data, sizeof(tik), hash);
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/* Found valid hash */
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if (!hash[0])
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return 0;
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}
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return -1;
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}
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s32 Title_GetTicketViews(u64 tid, tikview **outbuf, u32 *outlen)
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{
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tikview *views = NULL;
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u32 nb_views;
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s32 ret;
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/* Get number of ticket views */
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ret = ES_GetNumTicketViews(tid, &nb_views);
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if (ret < 0)
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return ret;
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/* Allocate memory */
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views = (tikview *)memalign(32, sizeof(tikview) * nb_views);
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if (!views)
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return -1;
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/* Get ticket views */
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ret = ES_GetTicketViews(tid, views, nb_views);
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if (ret < 0)
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goto err;
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/* Set values */
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*outbuf = views;
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*outlen = nb_views;
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return 0;
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err:
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/* Free memory */
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if (views)
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free(views);
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return ret;
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}
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