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Bundle in stub APK into magiskinit

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This commit is contained in:
topjohnwu 2018-06-14 00:59:08 +08:00
parent cabaae8403
commit 970a2e87b3
3 changed files with 21 additions and 0 deletions
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9
build.py
View File

@ -147,6 +147,15 @@ def build_binary(args):
with open(os.path.join('native', 'out', arch, 'binaries_arch_xz.h'), 'w') as out:
with open(bin_file, 'rb') as src:
xz_dump(src, out, 'magisk_xz')
stub_apk = os.path.join(config['outdir'], 'stub-release.apk')
if not os.path.exists(stub_apk):
error('Build release stub APK before building "magiskinit"')
with open(os.path.join('native', 'out', 'binaries_xz.h'), 'w') as out:
with open(stub_apk, 'rb') as src:
xz_dump(src, out, 'manager_xz')
flags += ' B_INIT=1'
other = True

1
native/jni/Android.mk
View File

@ -72,6 +72,7 @@ LOCAL_STATIC_LIBRARIES := libsepol liblzma
LOCAL_C_INCLUDES := \
jni/include \
jni/magiskpolicy \
out \
out/$(TARGET_ARCH_ABI) \
$(LIBSEPOL) \
$(LIBLZMA)

11
native/jni/core/magiskinit.c
View File

@ -39,6 +39,7 @@
#include <lzma.h>
#include <cil/cil.h>
#include "binaries_xz.h"
#include "binaries_arch_xz.h"
#include "magiskrc.h"
@ -327,6 +328,14 @@ static int dump_magisk(const char *path, mode_t mode) {
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);
close(fd);
return ret;
}
static int dump_magiskrc(const char *path, mode_t mode) {
int fd = creat(path, mode);
write(fd, magiskrc, sizeof(magiskrc));
@ -362,6 +371,8 @@ int main(int argc, char *argv[]) {
if (argc > 1 && strcmp(argv[1], "-x") == 0) {
if (strcmp(argv[2], "magisk") == 0)
return dump_magisk(argv[3], 0755);
else if (strcmp(argv[2], "manager") == 0)
return dump_manager(argv[3], 0644);
else if (strcmp(argv[2], "magiskrc") == 0)
return dump_magiskrc(argv[3], 0755);
}