Magisk/jni/magiskboot/types.c

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2017-09-14 17:11:56 +02:00
#include <string.h>
#include "bootimg.h"
#include "types.h"
char *SUP_LIST[] = { "gzip", "xz", "lzma", "bzip2", "lz4", "lz4_legacy", NULL };
char *SUP_EXT_LIST[] = { "gz", "xz", "lzma", "bz2", "lz4", "lz4", NULL };
file_t SUP_TYPE_LIST[] = { GZIP, XZ, LZMA, BZIP2, LZ4, LZ4_LEGACY, 0 };
file_t check_type(const void *buf) {
if (memcmp(buf, CHROMEOS_MAGIC, 8) == 0) {
return CHROMEOS;
} else if (memcmp(buf, BOOT_MAGIC, BOOT_MAGIC_SIZE) == 0) {
return AOSP;
} else if (memcmp(buf, ELF32_MAGIC, 5) == 0) {
return ELF32;
} else if (memcmp(buf, ELF64_MAGIC, 5) == 0) {
return ELF64;
} else if (memcmp(buf, GZIP_MAGIC, 4) == 0) {
return GZIP;
} else if (memcmp(buf, LZOP_MAGIC, 9) == 0) {
return LZOP;
} else if (memcmp(buf, XZ_MAGIC, 6) == 0) {
return XZ;
} else if (memcmp(buf, "\x5d\x00\x00", 3) == 0
&& (((char *)buf)[12] == '\xff' || ((char *)buf)[12] == '\x00')) {
return LZMA;
} else if (memcmp(buf, BZIP_MAGIC, 3) == 0) {
return BZIP2;
} else if (memcmp(buf, LZ4_MAGIC, 4) == 0) {
return LZ4;
} else if (memcmp(buf, LZ4_LEG_MAGIC, 4) == 0) {
return LZ4_LEGACY;
} else if (memcmp(buf, MTK_MAGIC, 4) == 0) {
return MTK;
} else if (memcmp(buf, DTB_MAGIC, 4) == 0) {
return DTB;
} else {
return UNKNOWN;
}
}
void get_type_name(file_t type, char *name) {
char *s;
switch (type) {
case CHROMEOS:
s = "chromeos";
break;
case AOSP:
s = "aosp";
break;
case GZIP:
s = "gzip";
break;
case LZOP:
s = "lzop";
break;
case XZ:
s = "xz";
break;
case LZMA:
s = "lzma";
break;
case BZIP2:
s = "bzip2";
break;
case LZ4:
s = "lz4";
break;
case LZ4_LEGACY:
s = "lz4_legacy";
break;
case MTK:
s = "mtk";
break;
case DTB:
s = "dtb";
break;
default:
s = "raw";
}
strcpy(name, s);
}