Remove high compression mode
This commit is contained in:
topjohnwu
parent
8b50d84a05
commit
6add682705
30
build.py
30
build.py
@ -134,9 +134,9 @@ def build_binary(args):
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# Dump the binary to header
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for arch in archs:
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bin_file = os.path.join('native', 'out', arch, 'magisk')
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with open(os.path.join('native', 'out', arch, 'binaries_arch_xz.h'), 'w') as out:
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with open(os.path.join('native', 'out', arch, 'binaries_arch.h'), 'w') as out:
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with open(bin_file, 'rb') as src:
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xz_dump(src, out, 'magisk_xz')
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binary_dump(src, out, 'magisk_bin')
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old_plat = False
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flags = base_flags
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@ -146,9 +146,9 @@ def build_binary(args):
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old_plat = True
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if 'magiskinit' in targets:
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if not os.path.exists(os.path.join('native', 'out', 'x86', 'binaries_arch_xz.h')):
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if not os.path.exists(os.path.join('native', 'out', 'x86', 'binaries_arch.h')):
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error('Build "magisk" before building "magiskinit"')
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if not os.path.exists(os.path.join('native', 'out', 'binaries_xz.h')):
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if not os.path.exists(os.path.join('native', 'out', 'binaries.h')):
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error('Build release stub APK before building "magiskinit"')
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flags += ' B_INIT=1'
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old_plat = True
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@ -219,6 +219,15 @@ def sign_apk(source, target):
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if proc.returncode != 0:
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error('Release sign Magisk Manager failed!')
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def binary_dump(src, out, var_name):
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out.write('const static unsigned char {}[] = {{'.format(var_name))
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for i, c in enumerate(src.read()):
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if i % 16 == 0:
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out.write('\n')
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out.write('0x{:02X},'.format(c))
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out.write('\n};\n')
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out.flush()
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def build_apk(args):
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header('* Building Magisk Manager')
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@ -244,9 +253,9 @@ def build_apk(args):
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rm(unsigned)
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# Dump the stub APK to header
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mkdir(os.path.join('native', 'out'))
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with open(os.path.join('native', 'out', 'binaries_xz.h'), 'w') as out:
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with open(os.path.join('native', 'out', 'binaries.h'), 'w') as out:
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with open(release, 'rb') as src:
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xz_dump(src, out, 'manager_xz')
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binary_dump(src, out, 'manager_bin');
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else:
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proc = execv([gradlew, 'app:assembleDebug'])
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if proc.returncode != 0:
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@ -276,15 +285,6 @@ def build_snet(args):
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rm(source)
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header('Output: ' + target)
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def xz_dump(src, out, var_name):
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out.write('const static unsigned char {}[] = {{'.format(var_name))
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for i, c in enumerate(lzma.compress(src.read(), preset=9)):
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if i % 16 == 0:
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out.write('\n')
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out.write('0x{:02X},'.format(c))
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out.write('\n};\n')
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out.flush()
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def gen_update_binary():
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update_bin = []
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binary = os.path.join('native', 'out', 'armeabi-v7a', 'b64xz')
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@ -68,7 +68,7 @@ ifdef B_INIT
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# magiskinit
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include $(CLEAR_VARS)
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LOCAL_MODULE := magiskinit
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LOCAL_STATIC_LIBRARIES := libsepol liblzma
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LOCAL_STATIC_LIBRARIES := libsepol
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LOCAL_C_INCLUDES := \
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jni/include \
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jni/magiskpolicy \
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@ -36,16 +36,13 @@
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#include <sys/sendfile.h>
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#include <sys/sysmacros.h>
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#include <lzma.h>
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#include "binaries_xz.h"
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#include "binaries_arch_xz.h"
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#include "binaries.h"
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#include "binaries_arch.h"
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#include "magiskrc.h"
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#include "utils.h"
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#include "magiskpolicy.h"
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#include "daemon.h"
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#include "cpio.h"
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#include "magisk.h"
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#ifdef MAGISK_DEBUG
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@ -246,45 +243,18 @@ static int patch_sepolicy() {
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return 0;
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}
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#define BUFSIZE (1 << 20)
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static int unxz(const void *buf, size_t size, int fd) {
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lzma_stream strm = LZMA_STREAM_INIT;
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if (lzma_auto_decoder(&strm, UINT64_MAX, 0) != LZMA_OK)
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return 1;
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lzma_ret ret;
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void *out = malloc(BUFSIZE);
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strm.next_in = buf;
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strm.avail_in = size;
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do {
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strm.next_out = out;
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strm.avail_out = BUFSIZE;
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ret = lzma_code(&strm, LZMA_RUN);
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xwrite(fd, out, BUFSIZE - strm.avail_out);
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} while (strm.avail_out == 0 && ret == LZMA_OK);
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free(out);
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lzma_end(&strm);
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if (ret != LZMA_OK && ret != LZMA_STREAM_END)
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return 1;
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static int dump_magisk(const char *path, mode_t mode) {
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int fd = creat(path, mode);
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xwrite(fd, magisk_bin, sizeof(magisk_bin));
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close(fd);
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return 0;
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}
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static int dump_magisk(const char *path, mode_t mode) {
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unlink(path);
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int fd = creat(path, mode);
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int ret = unxz(magisk_xz, sizeof(magisk_xz), fd);
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close(fd);
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return ret;
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}
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static int dump_manager(const char *path, mode_t mode) {
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unlink(path);
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int fd = creat(path, mode);
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int ret = unxz(manager_xz, sizeof(manager_xz), fd);
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xwrite(fd, manager_bin, sizeof(manager_bin));
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close(fd);
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return ret;
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return 0;
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}
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static int dump_magiskrc(const char *path, mode_t mode) {
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@ -365,23 +335,6 @@ int main(int argc, char *argv[]) {
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// Clear rootfs
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excl_list = (char *[]) { "overlay", ".backup", "proc", "sys", "init.bak", NULL };
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frm_rf(root);
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} else if (access("/ramdisk.cpio.xz", R_OK) == 0) {
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// High compression mode
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void *addr;
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size_t size;
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mmap_ro("/ramdisk.cpio.xz", &addr, &size);
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int fd = creat("/ramdisk.cpio", 0);
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unxz(addr, size, fd);
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munmap(addr, size);
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close(fd);
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struct vector v;
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vec_init(&v);
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parse_cpio(&v, "/ramdisk.cpio");
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excl_list = (char *[]) { "overlay", ".backup", "proc", "sys", "init.bak", NULL };
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frm_rf(root);
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chdir("/");
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cpio_extract_all(&v);
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cpio_vec_destroy(&v);
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} else {
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// Revert original init binary
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link("/.backup/init", "/init");
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@ -139,8 +139,8 @@ int fsetattr(int fd, struct file_attr *a);
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void fclone_attr(const int sourcefd, const int targetfd);
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void clone_attr(const char *source, const char *target);
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void restorecon();
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int mmap_ro(const char *filename, void **buf, size_t *size);
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int mmap_rw(const char *filename, void **buf, size_t *size);
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void mmap_ro(const char *filename, void **buf, size_t *size);
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void mmap_rw(const char *filename, void **buf, size_t *size);
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void fd_full_read(int fd, void **buf, size_t *size);
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void full_read(const char *filename, void **buf, size_t *size);
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void full_read_at(int dirfd, const char *filename, void **buf, size_t *size);
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@ -11,11 +11,6 @@
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#include "mincrypt/sha.h"
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#include "mincrypt/sha256.h"
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#define INSUF_BLOCK_RET 2
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#define CHROMEOS_RET 3
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#define ELF32_RET 4
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#define ELF64_RET 5
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// Macros to determine header on-the-go
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#define lheader(b, e, o) \
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((b)->flags & PXA_FLAG) ? \
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@ -88,10 +83,13 @@ static void clean_boot(boot_img *boot) {
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memset(boot, 0, sizeof(*boot));
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}
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#define CHROMEOS_RET 2
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#define ELF32_RET 3
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#define ELF64_RET 4
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#define pos_align() pos = align(pos, header(boot, page_size))
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int parse_img(const char *image, boot_img *boot) {
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memset(boot, 0, sizeof(*boot));
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int is_blk = mmap_ro(image, &boot->map_addr, &boot->map_size);
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mmap_ro(image, &boot->map_addr, &boot->map_size);
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// Parse image
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fprintf(stderr, "Parsing boot image: [%s]\n", image);
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@ -246,8 +244,7 @@ int parse_img(const char *image, boot_img *boot) {
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get_fmt_name(boot->r_fmt, fmt);
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fprintf(stderr, "RAMDISK_FMT [%s]\n", fmt);
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return boot->flags & CHROMEOS_FLAG ? CHROMEOS_RET :
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((is_blk && boot->tail_size < 500 * 1024) ? INSUF_BLOCK_RET : 0);
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return boot->flags & CHROMEOS_FLAG ? CHROMEOS_RET : 0;
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default:
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continue;
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}
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@ -17,14 +17,10 @@ static void usage(char *arg0) {
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"Usage: %s <action> [args...]\n"
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"\n"
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"Supported actions:\n"
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" --parse <bootimg>\n"
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" Parse <bootimg> only, do not unpack. Return values: \n"
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" 0:OK 1:error 2:insufficient boot partition size\n"
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" 3:chromeos 4:ELF32 5:ELF64\n"
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"\n"
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" --unpack <bootimg>\n"
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" Unpack <bootimg> to kernel, ramdisk.cpio, (second), (dtb), (extra) into\n"
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" the current directory. Return value is the same as --parse\n"
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" Unpack <bootimg> to kernel, ramdisk.cpio, and if available, second, dtb,\n"
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" and extra into the current directory. Return values:\n"
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" 0:valid 1:error 2:chromeos 3:ELF32 4:ELF64\n"
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"\n"
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" --repack <origbootimg> [outbootimg]\n"
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" Repack kernel, ramdisk.cpio[.ext], second, dtb... from current directory\n"
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@ -54,7 +50,8 @@ static void usage(char *arg0) {
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" Extract ENTRY to OUT, or extract all entries to current directory\n"
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" test\n"
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" Test the current cpio's patch status\n"
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" Return value: 0/stock 1/Magisk 2/other (phh, SuperSU, Xposed)\n"
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" Return values:\n"
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" 0:stock 1:Magisk 2:unsupported (phh, SuperSU, Xposed)\n"
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" patch KEEPVERITY KEEPFORCEENCRYPT\n"
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" Ramdisk patches. KEEP**** are boolean values\n"
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" backup ORIG [SHA1]\n"
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@ -62,10 +59,10 @@ static void usage(char *arg0) {
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" SHA1 of stock boot image is optional\n"
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" restore\n"
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" Restore ramdisk from ramdisk backup stored within incpio\n"
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" magisk ORIG HIGHCOMP KEEPVERITY KEEPFORCEENCRYPT [SHA1]\n"
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" magisk ORIG KEEPVERITY KEEPFORCEENCRYPT [SHA1]\n"
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" Do Magisk patches and backups all in one step\n"
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" Create ramdisk backups from ORIG\n"
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" HIGHCOMP, KEEP**** are boolean values\n"
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" KEEP**** are boolean values\n"
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" SHA1 of stock boot image is optional\n"
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" sha1\n"
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" Print stock boot SHA1 if previously stored\n"
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@ -77,7 +74,8 @@ static void usage(char *arg0) {
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" Dump all contents from dtb for debugging\n"
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" test\n"
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" Check if fstab has verity/avb flags\n"
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" Return value: 0/no flags 1/flag exists\n"
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" Return values:\n"
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" 0:no flags 1:flag exists\n"
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" patch\n"
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" Search for fstab and remove verity/avb\n"
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"\n"
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@ -135,9 +133,6 @@ int main(int argc, char *argv[]) {
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printf("%02x", sha1[i]);
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printf("\n");
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munmap(buf, size);
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} else if (argc > 2 && strcmp(argv[1], "--parse") == 0) {
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boot_img boot;
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return parse_img(argv[2], &boot);
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} else if (argc > 2 && strcmp(argv[1], "--unpack") == 0) {
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return unpack(argv[2]);
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} else if (argc > 2 && strcmp(argv[1], "--repack") == 0) {
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@ -34,19 +34,15 @@ static void cpio_patch(struct vector *v, int keepverity, int keepforceencrypt) {
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#define STOCK_BOOT 0x0
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#define MAGISK_PATCH 0x1
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#define HIGH_COMPRESS 0x2
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#define OTHER_PATCH 0x3
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#define UNSUPPORT_PATCH 0x2
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static int cpio_test(struct vector *v) {
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const char *OTHER_LIST[] = { "sbin/launch_daemonsu.sh", "sbin/su", "init.xposed.rc", "boot/sbin/launch_daemonsu.sh", NULL };
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const char *UNSUPPORT_LIST[] = { "sbin/launch_daemonsu.sh", "sbin/su", "init.xposed.rc", "boot/sbin/launch_daemonsu.sh", NULL };
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const char *MAGISK_LIST[] = { ".backup/.magisk", "init.magisk.rc", "overlay/init.magisk.rc", NULL };
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for (int i = 0; OTHER_LIST[i]; ++i)
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if (cpio_find(v, OTHER_LIST[i]) >= 0)
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return OTHER_PATCH;
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if (cpio_find(v, "ramdisk.cpio.xz") >= 0)
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return HIGH_COMPRESS;
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for (int i = 0; UNSUPPORT_LIST[i]; ++i)
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if (cpio_find(v, UNSUPPORT_LIST[i]) >= 0)
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return UNSUPPORT_PATCH;
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for (int i = 0; MAGISK_LIST[i]; ++i)
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if (cpio_find(v, MAGISK_LIST[i]) >= 0)
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@ -196,55 +192,6 @@ static void cpio_restore(struct vector *v) {
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cpio_rm(v, 0, "sbin/magic_mask.sh");
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cpio_rm(v, 0, "init.magisk.rc");
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cpio_rm(v, 0, "magisk");
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cpio_rm(v, 0, "ramdisk-recovery.xz");
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}
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static void restore_high_compress(struct vector *v, const char *incpio) {
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// Check if the ramdisk is in high compression mode
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if (cpio_extract(v, "ramdisk.cpio.xz", incpio) == 0) {
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void *xz;
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size_t size;
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full_read(incpio, &xz, &size);
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int fd = creat(incpio, 0644);
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lzma(0, fd, xz, size);
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close(fd);
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free(xz);
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cpio_rm(v, 0, "ramdisk.cpio.xz");
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cpio_rm(v, 0, "init");
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struct vector vv;
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vec_init(&vv);
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parse_cpio(&vv, incpio);
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cpio_entry *e;
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vec_for_each(&vv, e)
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vec_push_back(v, e);
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vec_destroy(&vv);
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}
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}
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static void enable_high_compress(struct vector *v, struct vector *b, const char *incpio) {
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cpio_entry *init, *magiskinit;
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// Swap magiskinit with original init
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int i = cpio_find(b, ".backup/init"), j = cpio_find(v, "init");
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init = vec_entry(b)[i];
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magiskinit = vec_entry(v)[j];
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free(init->filename);
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init->filename = strdup("init");
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vec_entry(v)[j] = init;
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vec_entry(b)[i] = NULL;
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dump_cpio(v, incpio);
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cpio_vec_destroy(v);
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void *cpio;
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size_t size;
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full_read(incpio, &cpio, &size);
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int fd = creat(incpio, 0644);
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lzma(1, fd, cpio, size);
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close(fd);
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free(cpio);
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vec_init(v);
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vec_push_back(v, magiskinit);
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cpio_add(v, 0, "ramdisk.cpio.xz", incpio);
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}
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int cpio_commands(int argc, char *argv[]) {
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@ -267,7 +214,6 @@ int cpio_commands(int argc, char *argv[]) {
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if (strcmp(cmdv[0], "test") == 0) {
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exit(cpio_test(&v));
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} else if (strcmp(cmdv[0], "restore") == 0) {
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restore_high_compress(&v, incpio);
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cpio_restore(&v);
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} else if (strcmp(cmdv[0], "sha1") == 0) {
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char *sha1 = cpio_sha1(&v);
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@ -282,12 +228,12 @@ int cpio_commands(int argc, char *argv[]) {
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vec_for_each(&back, e)
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if (e) vec_push_back(&v, e);
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vec_destroy(&back);
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} else if (cmdc >= 5 && strcmp(cmdv[0], "magisk") == 0) {
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cpio_patch(&v, strcmp(cmdv[3], "true") == 0, strcmp(cmdv[4], "true") == 0);
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} else if (cmdc >= 4 && strcmp(cmdv[0], "magisk") == 0) {
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cpio_patch(&v, strcmp(cmdv[2], "true") == 0, strcmp(cmdv[3], "true") == 0);
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struct vector back;
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vec_init(&back);
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cpio_backup(&v, &back, cmdv[1], cmdc > 5 ? cmdv[5] : NULL);
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cpio_backup(&v, &back, cmdv[1], cmdc > 4 ? cmdv[4] : NULL);
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cpio_entry *e;
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e = xcalloc(sizeof(*e), 1);
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@ -298,10 +244,6 @@ int cpio_commands(int argc, char *argv[]) {
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e->filesize = strlen(e->data) + 1;
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vec_push_back(&back, e);
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// Enable high compression mode
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if (strcmp(cmdv[2], "true") == 0)
|
||||
enable_high_compress(&v, &back, incpio);
|
||||
|
||||
vec_for_each(&back, e)
|
||||
if (e) vec_push_back(&v, e);
|
||||
vec_destroy(&back);
|
||||
|
||||
@ -425,7 +425,7 @@ void restorecon() {
|
||||
|
||||
#endif // SELINUX
|
||||
|
||||
static int _mmap(int rw, const char *filename, void **buf, size_t *size) {
|
||||
static void _mmap(int rw, const char *filename, void **buf, size_t *size) {
|
||||
struct stat st;
|
||||
int fd = xopen(filename, (rw ? O_RDWR : O_RDONLY) | O_CLOEXEC);
|
||||
fstat(fd, &st);
|
||||
@ -435,15 +435,14 @@ static int _mmap(int rw, const char *filename, void **buf, size_t *size) {
|
||||
*size = st.st_size;
|
||||
*buf = *size > 0 ? xmmap(NULL, *size, PROT_READ | (rw ? PROT_WRITE : 0), MAP_SHARED, fd, 0) : NULL;
|
||||
close(fd);
|
||||
return S_ISBLK(st.st_mode);
|
||||
}
|
||||
|
||||
int mmap_ro(const char *filename, void **buf, size_t *size) {
|
||||
return _mmap(0, filename, buf, size);
|
||||
void mmap_ro(const char *filename, void **buf, size_t *size) {
|
||||
_mmap(0, filename, buf, size);
|
||||
}
|
||||
|
||||
int mmap_rw(const char *filename, void **buf, size_t *size) {
|
||||
return _mmap(1, filename, buf, size);
|
||||
void mmap_rw(const char *filename, void **buf, size_t *size) {
|
||||
_mmap(1, filename, buf, size);
|
||||
}
|
||||
|
||||
void fd_full_read(int fd, void **buf, size_t *size) {
|
||||
|
||||
@ -4,10 +4,10 @@
|
||||
# Magisk Boot Image Patcher
|
||||
# by topjohnwu
|
||||
#
|
||||
# Usage: sh boot_patch.sh <bootimage>
|
||||
# Usage: boot_patch.sh <bootimage>
|
||||
#
|
||||
# The following additional flags can be set in environment variables:
|
||||
# KEEPVERITY, KEEPFORCEENCRYPT, HIGHCOMP
|
||||
# The following flags can be set in environment variables:
|
||||
# KEEPVERITY, KEEPFORCEENCRYPT
|
||||
#
|
||||
# This script should be placed in a directory with the following files:
|
||||
#
|
||||
@ -58,7 +58,6 @@ BOOTIMAGE="$1"
|
||||
# Flags
|
||||
[ -z $KEEPVERITY ] && KEEPVERITY=false
|
||||
[ -z $KEEPFORCEENCRYPT ] && KEEPFORCEENCRYPT=false
|
||||
[ -z $HIGHCOMP ] && HIGHCOMP=false
|
||||
|
||||
chmod -R 755 .
|
||||
|
||||
@ -79,17 +78,14 @@ case $? in
|
||||
abort "! Unable to unpack boot image"
|
||||
;;
|
||||
2 )
|
||||
HIGHCOMP=true
|
||||
;;
|
||||
3 )
|
||||
ui_print "- ChromeOS boot image detected"
|
||||
CHROMEOS=true
|
||||
;;
|
||||
4 )
|
||||
3 )
|
||||
ui_print "! Sony ELF32 format detected"
|
||||
abort "! Please use BootBridge from @AdrianDC to flash Magisk"
|
||||
;;
|
||||
5 )
|
||||
4 )
|
||||
ui_print "! Sony ELF64 format detected"
|
||||
abort "! Stock kernel cannot be patched, please use a custom kernel"
|
||||
esac
|
||||
@ -100,7 +96,6 @@ esac
|
||||
|
||||
# Test patch status and do restore, after this section, ramdisk.cpio.orig is guaranteed to exist
|
||||
ui_print "- Checking ramdisk status"
|
||||
MAGISK_PATCHED=false
|
||||
./magiskboot --cpio ramdisk.cpio test
|
||||
case $? in
|
||||
0 ) # Stock boot
|
||||
@ -112,31 +107,17 @@ case $? in
|
||||
cp -af ramdisk.cpio ramdisk.cpio.orig
|
||||
;;
|
||||
1 ) # Magisk patched
|
||||
MAGISK_PATCHED=true
|
||||
HIGHCOMP=false
|
||||
;;
|
||||
2 ) # High compression mode
|
||||
MAGISK_PATCHED=true
|
||||
HIGHCOMP=true
|
||||
;;
|
||||
3 ) # Other patched
|
||||
ui_print "! Boot image patched by other programs"
|
||||
abort "! Please restore stock boot image"
|
||||
;;
|
||||
esac
|
||||
|
||||
if $MAGISK_PATCHED; then
|
||||
ui_print "- Magisk patched image detected"
|
||||
ui_print "- Magisk patched boot image detected"
|
||||
# Find SHA1 of stock boot image
|
||||
[ -z $SHA1 ] && SHA1=`./magiskboot --cpio ramdisk.cpio sha1 2>/dev/null`
|
||||
./magiskboot --cpio ramdisk.cpio restore
|
||||
cp -af ramdisk.cpio ramdisk.cpio.orig
|
||||
fi
|
||||
|
||||
if $HIGHCOMP; then
|
||||
ui_print "! Insufficient boot partition size detected"
|
||||
ui_print "- Enable high compression mode"
|
||||
fi
|
||||
;;
|
||||
2 ) # Other patched
|
||||
ui_print "! Boot image patched by unsupported programs"
|
||||
abort "! Please restore stock boot image"
|
||||
;;
|
||||
esac
|
||||
|
||||
##########################################################################################
|
||||
# Ramdisk patches
|
||||
@ -146,7 +127,7 @@ ui_print "- Patching ramdisk"
|
||||
|
||||
./magiskboot --cpio ramdisk.cpio \
|
||||
"add 750 init magiskinit" \
|
||||
"magisk ramdisk.cpio.orig $HIGHCOMP $KEEPVERITY $KEEPFORCEENCRYPT $SHA1"
|
||||
"magisk ramdisk.cpio.orig $KEEPVERITY $KEEPFORCEENCRYPT $SHA1"
|
||||
|
||||
rm -f ramdisk.cpio.orig
|
||||
|
||||
|
||||
@ -1,11 +1,9 @@
|
||||
#MAGISK
|
||||
##########################################################################################
|
||||
#
|
||||
# Magisk Uninstaller (used in recovery)
|
||||
# Magisk Uninstaller
|
||||
# by topjohnwu
|
||||
#
|
||||
# This script will load the real uninstaller in a flashable zip
|
||||
#
|
||||
##########################################################################################
|
||||
|
||||
##########################################################################################
|
||||
@ -75,15 +73,15 @@ case $? in
|
||||
1 )
|
||||
abort "! Unable to unpack boot image"
|
||||
;;
|
||||
3 )
|
||||
2 )
|
||||
ui_print "- ChromeOS boot image detected"
|
||||
CHROMEOS=true
|
||||
;;
|
||||
4 )
|
||||
3 )
|
||||
ui_print "! Sony ELF32 format detected"
|
||||
abort "! Please use BootBridge from @AdrianDC"
|
||||
;;
|
||||
5 )
|
||||
4 )
|
||||
ui_print "! Sony ELF64 format detected"
|
||||
abort "! Stock kernel cannot be patched, please use a custom kernel"
|
||||
esac
|
||||
@ -95,7 +93,7 @@ case $? in
|
||||
0 ) # Stock boot
|
||||
ui_print "- Stock boot image detected"
|
||||
;;
|
||||
1|2 ) # Magisk patched
|
||||
1 ) # Magisk patched
|
||||
ui_print "- Magisk patched image detected"
|
||||
./magisk --unlock-blocks 2>/dev/null
|
||||
# Find SHA1 of stock boot image
|
||||
@ -119,7 +117,7 @@ case $? in
|
||||
flash_boot_image new-boot.img $BOOTIMAGE
|
||||
fi
|
||||
;;
|
||||
3 ) # Other patched
|
||||
2 ) # Other patched
|
||||
ui_print "! Boot image patched by other programs"
|
||||
abort "! Cannot uninstall"
|
||||
;;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user