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TegraExplorer/source/tegraexplorer/fs/keys.c

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#include "keys.h"
#include "../../utils/types.h"
#include "../../libs/fatfs/ff.h"
#include "../../sec/se.h"
#include "../../mem/heap.h"
#include "../gfx/gfxutils.h"
#include "../../config/ini.h"
#include "../common/common.h"
#include <string.h>
char *getKey(const char *search, link_t *inilist){
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, inilist, link){
if (ini_sec->type == INI_CHOICE){
LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
{
if (!strcmp(search, kv->key))
return kv->val;
}
}
}
return NULL;
}
u8 getHexSingle(const char c) {
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
}
u8 *getHex(const char *in){
u32 len = strlen(in), count = 0;
u8 *out = calloc(len / 2, sizeof(u8));
for (u32 i = 0; i < len; i += 2){
out[count++] = (u8)(getHexSingle(in[i]) << 4) | (getHexSingle(in[i + 1]));
}
return out;
}
u8 *GetKey(const char *keypath, const char *keyName){
LIST_INIT(inilist);
char *key;
u8 *hex = NULL;
if (!ini_parse(&inilist, keypath, false)){
gfx_errDisplay("GetKey", ERR_INI_PARSE_FAIL, 1);
goto out_free;
}
if ((key = getKey(keyName, &inilist)) == NULL){
gfx_errDisplay("GetKey", ERR_INI_PARSE_FAIL, 2);
goto out_free;
}
hex = getHex(key);
out_free:;
list_empty(&inilist);
return hex;
}