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Fusee: Change package2 loading logic (untested)

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This commit is contained in:
TuxSH
2018-05-17 15:56:02 +02:00
parent 5088851de4
commit 1b07a07353
5 changed files with 109 additions and 59 deletions
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6
fusee/fusee-secondary/src/package2.c
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@@ -93,11 +93,11 @@ static bool package2_validate_metadata(package2_meta_t *metadata) {
/* Package2 size, version number is stored XORed in header CTR. */
/* Nintendo, what the fuck? */
uint32_t package_size = metadata->ctr_dwords[0] ^ metadata->ctr_dwords[2] ^ metadata->ctr_dwords[3];
uint8_t header_version = (uint8_t)((metadata->ctr_dwords[1] ^ (metadata->ctr_dwords[1] >> 16) ^ (metadata->ctr_dwords[1] >> 24)) & 0xFF);
uint32_t package_size = package2_meta_get_size(metadata);
uint8_t header_version = package2_meta_get_header_version(metadata);
/* Ensure package isn't too big or too small. */
if (package_size <= sizeof(package2_header_t) || package_size > PACKAGE2_SIZE_MAX - sizeof(package2_header_t)) {
if (package_size <= sizeof(package2_header_t) || package_size > PACKAGE2_SIZE_MAX) {
return false;
}