forked from MarcoBuster/Magisk
85 lines
1.6 KiB
C++
85 lines
1.6 KiB
C++
#include <string.h>
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#include "format.h"
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#define MATCH(s) (len >= (sizeof(s) - 1) && memcmp(buf, s, sizeof(s) - 1) == 0)
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format_t check_fmt(const void *buf, size_t len) {
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if (MATCH(CHROMEOS_MAGIC)) {
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return CHROMEOS;
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} else if (MATCH(BOOT_MAGIC)) {
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return AOSP;
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} else if (MATCH(ELF32_MAGIC)) {
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return ELF32;
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} else if (MATCH(ELF64_MAGIC)) {
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return ELF64;
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} else if (MATCH(GZIP_MAGIC)) {
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return GZIP;
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} else if (MATCH(LZOP_MAGIC)) {
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return LZOP;
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} else if (MATCH(XZ_MAGIC)) {
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return XZ;
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} else if (len >= 13 && memcmp(buf, "\x5d\x00\x00", 3) == 0
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&& (((char *)buf)[12] == '\xff' || ((char *)buf)[12] == '\x00')) {
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return LZMA;
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} else if (MATCH(BZIP_MAGIC)) {
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return BZIP2;
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} else if (MATCH(LZ4_MAGIC)) {
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return LZ4;
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} else if (MATCH(LZ4_LEG_MAGIC)) {
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return LZ4_LEGACY;
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} else if (MATCH(MTK_MAGIC)) {
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return MTK;
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} else if (MATCH(DTB_MAGIC)) {
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return DTB;
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} else if (MATCH(DHTB_MAGIC)) {
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return DHTB;
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} else if (MATCH(TEGRABLOB_MAGIC)) {
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return BLOB;
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} else {
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return UNKNOWN;
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}
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}
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void get_fmt_name(format_t fmt, char *name) {
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const char *s;
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switch (fmt) {
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case CHROMEOS:
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s = "chromeos";
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break;
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case AOSP:
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s = "aosp";
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break;
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case GZIP:
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s = "gzip";
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break;
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case LZOP:
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s = "lzop";
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break;
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case XZ:
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s = "xz";
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break;
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case LZMA:
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s = "lzma";
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break;
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case BZIP2:
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s = "bzip2";
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break;
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case LZ4:
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s = "lz4";
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break;
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case LZ4_LEGACY:
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s = "lz4_legacy";
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break;
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case MTK:
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s = "mtk";
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break;
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case DTB:
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s = "dtb";
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break;
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default:
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s = "raw";
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}
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strcpy(name, s);
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}
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