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Deduplicate logic

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This commit is contained in:
topjohnwu 2022-04-08 00:20:21 -07:00
parent 9de6e8846b
commit f24d52436b
2 changed files with 37 additions and 52 deletions
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2
buildSrc/build.gradle.kts
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@ -25,7 +25,7 @@ tasks.withType<KotlinCompile> {
dependencies {
implementation(kotlin("gradle-plugin", "1.6.10"))
implementation("com.android.tools.build:gradle:7.1.2")
implementation("com.android.tools.build:gradle:7.1.3")
implementation("androidx.navigation:navigation-safe-args-gradle-plugin:2.5.0-alpha01")
implementation("io.michaelrocks:paranoid-gradle-plugin:0.3.7")
implementation("org.eclipse.jgit:org.eclipse.jgit:5.12.0.202106070339-r")

85
native/jni/init/rootdir.cpp
View File

@ -131,14 +131,6 @@ static void magic_mount(const string &sdir, const string &ddir = "") {
}
}
static void patch_socket_name(const char *path) {
static char rstr[16] = { 0 };
if (rstr[0] == '\0')
gen_rand_str(rstr, sizeof(rstr));
auto bin = mmap_data(path, true);
bin.patch({ make_pair(MAIN_SOCKET, rstr) });
}
void SARBase::backup_files() {
if (access("/overlay.d", F_OK) == 0)
backup_folder("/overlay.d", overlays);
@ -152,6 +144,39 @@ void SARBase::backup_files() {
magisk_cfg = mmap_data("/data/.backup/.magisk");
}
static void patch_socket_name(const char *path) {
static char rstr[16] = { 0 };
if (rstr[0] == '\0')
gen_rand_str(rstr, sizeof(rstr));
auto bin = mmap_data(path, true);
bin.patch({ make_pair(MAIN_SOCKET, rstr) });
}
static void extract_files(bool sbin) {
const char *m32 = sbin ? "/sbin/magisk32.xz" : "magisk32.xz";
const char *m64 = sbin ? "/sbin/magisk64.xz" : "magisk64.xz";
auto magisk = mmap_data(m32);
unlink(m32);
int fd = xopen("magisk32", O_WRONLY | O_CREAT, 0755);
unxz(fd, magisk.buf, magisk.sz);
close(fd);
patch_socket_name("magisk32");
if (access(m64, F_OK) == 0) {
magisk = mmap_data(m64);
unlink(m64);
fd = xopen("magisk64", O_WRONLY | O_CREAT, 0755);
unxz(fd, magisk.buf, magisk.sz);
close(fd);
patch_socket_name("magisk64");
xsymlink("./magisk64", "magisk");
} else {
xsymlink("./magisk32", "magisk");
}
dump_manager("stub.apk", 0);
}
#define ROOTMIR MIRRDIR "/system_root"
#define NEW_INITRC "/system/etc/init/hw/init.rc"
@ -215,27 +240,7 @@ void SARBase::patch_ro_root() {
}
// Extract magisk
{
auto magisk = mmap_data("magisk32.xz");
unlink("magisk32.xz");
int fd = xopen("magisk32", O_WRONLY | O_CREAT, 0755);
unxz(fd, magisk.buf, magisk.sz);
close(fd);
patch_socket_name("magisk32");
if (access("magisk64.xz", F_OK) == 0) {
magisk = mmap_data("magisk64.xz");
unlink("magisk64.xz");
fd = xopen("magisk64", O_WRONLY | O_CREAT, 0755);
unxz(fd, magisk.buf, magisk.sz);
close(fd);
patch_socket_name("magisk64");
xsymlink("./magisk64", "magisk");
} else {
xsymlink("./magisk32", "magisk");
}
dump_manager("stub.apk", 0644);
}
extract_files(false);
if ((access(SPLIT_PLAT_CIL, F_OK) != 0 && access("/sepolicy", F_OK) == 0) || !hijack_sepolicy()) {
patch_sepolicy(ROOTOVL "/sepolicy");
@ -288,28 +293,8 @@ void MagiskInit::patch_rw_root() {
setup_tmp(PRE_TMPDIR);
chdir(PRE_TMPDIR);
{
// Extract magisk
auto magisk = mmap_data("/sbin/magisk32.xz");
unlink("/sbin/magisk32.xz");
int fd = xopen("magisk32", O_WRONLY | O_CREAT, 0755);
unxz(fd, magisk.buf, magisk.sz);
close(fd);
patch_socket_name("magisk32");
if (access("/sbin/magisk64.xz", F_OK) == 0) {
magisk = mmap_data("/sbin/magisk64.xz");
unlink("/sbin/magisk64.xz");
fd = xopen("magisk64", O_WRONLY | O_CREAT, 0755);
unxz(fd, magisk.buf, magisk.sz);
close(fd);
patch_socket_name("magisk64");
xsymlink("./magisk64", "magisk");
} else {
xsymlink("./magisk32", "magisk");
}
dump_manager("stub.apk", 0644);
}
extract_files(true);
if ((!treble && access("/sepolicy", F_OK) == 0) || !hijack_sepolicy()) {
patch_sepolicy("/sepolicy");