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This commit is contained in:
C-3PO 2018-07-25 02:34:08 +02:00
parent 966e8bb7c1
commit ad8d88a066
Signed by: c3po
GPG key ID: 62993C4BB4D86F24
1 changed files with 6 additions and 5 deletions
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11
src/main.c
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@ -11,6 +11,7 @@
#define BUFFER_SIZE 0xffffUL #define BUFFER_SIZE 0xffffUL
#define ENCRYPTION_HEADER_LENGTH 12UL #define ENCRYPTION_HEADER_LENGTH 12UL
#define LOCAL_FILE_HEADER_MAGIC (uint32_t)0x04034b50
uint16_t getUint16(char* buffer) { uint16_t getUint16(char* buffer) {
return (uint16_t)buffer[0] | \ return (uint16_t)buffer[0] | \
@ -25,7 +26,7 @@ uint32_t getUint32(char* buffer) {
int main(int argc, unsigned char *argv[]) { int main(int argc, unsigned char *argv[]) {
if (argc != 4 && argc != 7) { if (argc != 4 && argc != 7) {
fprintf(stderr, "Wrong arguments. Usage: patcher-installer <disk_name> <disk_offset> <file_size> [<key0> <key1> <key2>]"); fprintf(stderr, "Wrong number of arguments. Usage: patcher-installer <disk_name> <disk_offset> <file_size> [<key0> <key1> <key2>]");
exit(1); exit(1);
} }
//TODO: verify argv and assign it to variables //TODO: verify argv and assign it to variables
@ -38,21 +39,21 @@ int main(int argc, unsigned char *argv[]) {
uint32_t key0 = atoi(argv[4]); uint32_t key0 = atoi(argv[4]);
uint32_t key1 = atoi(argv[5]); uint32_t key1 = atoi(argv[5]);
uint32_t key2 = atoi(argv[6]); uint32_t key2 = atoi(argv[6]);
//Initialise decryption (pass decryption keys) //Initialize decryption (pass decryption keys)
initDecryptor(key0, key1, key2); initDecryptor(key0, key1, key2);
} }
//------------------------------------------------- //-------------------------------------------------
//Initialise file reader //Initialize file reader
initFileReader(archiveName, archiveOffset); initFileReader(archiveName, archiveOffset);
//Skip local file header (30 bytes + additional length) //Skip local file header (30 bytes + additional length)
char* fileHeader = getBytes(30UL); char* fileHeader = getBytes(30UL);
//Check that header is correct //Check that header is correct
const uint32_t magic = getUint32(fileHeader); const uint32_t magic = getUint32(fileHeader);
if (magic != (uint32_t)0x04034b50) { if (magic != LOCAL_FILE_HEADER_MAGIC) {
fprintf(stderr, "Wrong magic in local file header, expected 0x04034b50 but found %#010x.", magic); fprintf(stderr, "Wrong magic in local file header, expected %#010x but found %#010x.", LOCAL_FILE_HEADER_MAGIC, magic);
exit(1); exit(1);
} }
free(fileHeader); free(fileHeader);