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Migrate MagiskBoot to C++

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This commit is contained in:
topjohnwu
2018-10-24 21:08:06 -04:00
parent 01e7dff1a0
commit fc8a3c5fb4
17 changed files with 683 additions and 514 deletions
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10
native/jni/magiskboot/bootimg.cpp
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@ -7,12 +7,10 @@
#include <mincrypt/sha.h>
#include <mincrypt/sha256.h>
extern "C" {
#include "bootimg.h"
#include "magiskboot.h"
#include "utils.h"
#include "logging.h"
}
static void dump(void *buf, size_t size, const char *filename) {
if (size == 0)
@ -259,7 +257,7 @@ int unpack(const char *image) {
// Dump kernel
if (COMPRESSED(boot.k_fmt)) {
fd = creat(KERNEL_FILE, 0644);
decomp(boot.k_fmt, fd, boot.kernel, boot.hdr->kernel_size);
decompress(boot.k_fmt, fd, boot.kernel, boot.hdr->kernel_size);
close(fd);
} else {
dump(boot.kernel, boot.hdr->kernel_size, KERNEL_FILE);
@ -271,7 +269,7 @@ int unpack(const char *image) {
// Dump ramdisk
if (COMPRESSED(boot.r_fmt)) {
fd = creat(RAMDISK_FILE, 0644);
decomp(boot.r_fmt, fd, boot.ramdisk, boot.hdr->ramdisk_size);
decompress(boot.r_fmt, fd, boot.ramdisk, boot.hdr->ramdisk_size);
close(fd);
} else {
dump(boot.ramdisk, boot.hdr->ramdisk_size, RAMDISK_FILE);
@ -335,7 +333,7 @@ void repack(const char* orig_image, const char* out_image) {
size_t raw_size;
void *kernel_raw;
mmap_ro(KERNEL_FILE, &kernel_raw, &raw_size);
boot.hdr->kernel_size = comp(boot.k_fmt, fd, kernel_raw, raw_size);
boot.hdr->kernel_size = compress(boot.k_fmt, fd, kernel_raw, raw_size);
munmap(kernel_raw, raw_size);
} else {
boot.hdr->kernel_size = restore(KERNEL_FILE, fd);
@ -358,7 +356,7 @@ void repack(const char* orig_image, const char* out_image) {
size_t cpio_size;
void *cpio;
mmap_ro(RAMDISK_FILE, &cpio, &cpio_size);
boot.hdr->ramdisk_size = comp(boot.r_fmt, fd, cpio, cpio_size);
boot.hdr->ramdisk_size = compress(boot.r_fmt, fd, cpio, cpio_size);
munmap(cpio, cpio_size);
} else {
boot.hdr->ramdisk_size = restore(RAMDISK_FILE, fd);