mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-26 13:52:06 +00:00
513bd804b1
- also fatfs is stupid - also close files properly on a failed copy - also check for errors during folder readouts - also make sure holding vol- doesn't dump the keys anyway
31 lines
No EOL
752 B
C
31 lines
No EOL
752 B
C
#include "nca.h"
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#include "keys.h"
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#include <libs/fatfs/ff.h>
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#include <sec/se.h>
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#include <mem/heap.h>
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// Thanks switchbrew https://switchbrew.org/wiki/NCA_Format
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// This function is hacky, should change it but am lazy
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int GetNcaType(char *path){
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FIL fp;
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u32 read_bytes = 0;
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if (f_open(&fp, path, FA_READ | FA_OPEN_EXISTING))
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return -1;
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u8 *dec_header = (u8*)malloc(0x400);
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if (f_lseek(&fp, 0x200) || f_read(&fp, dec_header, 32, &read_bytes) || read_bytes != 32){
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f_close(&fp);
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free(dec_header);
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return -1;
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}
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se_aes_xts_crypt(7,6,0,1, dec_header + 0x200, dec_header, 32, 1);
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u8 ContentType = dec_header[0x205];
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f_close(&fp);
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free(dec_header);
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return ContentType;
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} |