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Remove high compression mode

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This commit is contained in:
topjohnwu
2018-08-09 18:13:07 +08:00
parent 8b50d84a05
commit 6add682705
10 changed files with 74 additions and 209 deletions
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63
native/jni/core/magiskinit.c
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@@ -36,16 +36,13 @@
#include <sys/sendfile.h>
#include <sys/sysmacros.h>
#include <lzma.h>
#include "binaries_xz.h"
#include "binaries_arch_xz.h"
#include "binaries.h"
#include "binaries_arch.h"
#include "magiskrc.h"
#include "utils.h"
#include "magiskpolicy.h"
#include "daemon.h"
#include "cpio.h"
#include "magisk.h"
#ifdef MAGISK_DEBUG
@@ -246,45 +243,18 @@ static int patch_sepolicy() {
return 0;
}
#define BUFSIZE (1 << 20)
static int unxz(const void *buf, size_t size, int fd) {
lzma_stream strm = LZMA_STREAM_INIT;
if (lzma_auto_decoder(&strm, UINT64_MAX, 0) != LZMA_OK)
return 1;
lzma_ret ret;
void *out = malloc(BUFSIZE);
strm.next_in = buf;
strm.avail_in = size;
do {
strm.next_out = out;
strm.avail_out = BUFSIZE;
ret = lzma_code(&strm, LZMA_RUN);
xwrite(fd, out, BUFSIZE - strm.avail_out);
} while (strm.avail_out == 0 && ret == LZMA_OK);
free(out);
lzma_end(&strm);
if (ret != LZMA_OK && ret != LZMA_STREAM_END)
return 1;
static int dump_magisk(const char *path, mode_t mode) {
int fd = creat(path, mode);
xwrite(fd, magisk_bin, sizeof(magisk_bin));
close(fd);
return 0;
}
static int dump_magisk(const char *path, mode_t mode) {
unlink(path);
int fd = creat(path, mode);
int ret = unxz(magisk_xz, sizeof(magisk_xz), fd);
close(fd);
return ret;
}
static int dump_manager(const char *path, mode_t mode) {
unlink(path);
int fd = creat(path, mode);
int ret = unxz(manager_xz, sizeof(manager_xz), fd);
xwrite(fd, manager_bin, sizeof(manager_bin));
close(fd);
return ret;
return 0;
}
static int dump_magiskrc(const char *path, mode_t mode) {
@@ -365,23 +335,6 @@ int main(int argc, char *argv[]) {
// Clear rootfs
excl_list = (char *[]) { "overlay", ".backup", "proc", "sys", "init.bak", NULL };
frm_rf(root);
} else if (access("/ramdisk.cpio.xz", R_OK) == 0) {
// High compression mode
void *addr;
size_t size;
mmap_ro("/ramdisk.cpio.xz", &addr, &size);
int fd = creat("/ramdisk.cpio", 0);
unxz(addr, size, fd);
munmap(addr, size);
close(fd);
struct vector v;
vec_init(&v);
parse_cpio(&v, "/ramdisk.cpio");
excl_list = (char *[]) { "overlay", ".backup", "proc", "sys", "init.bak", NULL };
frm_rf(root);
chdir("/");
cpio_extract_all(&v);
cpio_vec_destroy(&v);
} else {
// Revert original init binary
link("/.backup/init", "/init");