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Let magic mount optional

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This commit is contained in:
vvb2060
2024-01-05 18:39:59 +08:00
committed by John Wu
parent 5de597f079
commit ecc74d45d1
3 changed files with 37 additions and 30 deletions
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60
native/src/core/bootstages.cpp
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@ -25,16 +25,11 @@ static void setup_mounts() {
char path[PATH_MAX];
// Bind remount module root to clear nosuid
if (access(SECURE_DIR, F_OK) == 0 || SDK_INT < 24) {
ssprintf(path, sizeof(path), "%s/" MODULEMNT, get_magisk_tmp());
xmkdir(SECURE_DIR, 0700);
xmkdir(MODULEROOT, 0755);
xmkdir(path, 0755);
xmount(MODULEROOT, path, nullptr, MS_BIND, nullptr);
xmount(nullptr, path, nullptr, MS_REMOUNT | MS_BIND | MS_RDONLY, nullptr);
xmount(nullptr, path, nullptr, MS_PRIVATE, nullptr);
chmod(SECURE_DIR, 0700);
}
ssprintf(path, sizeof(path), "%s/" MODULEMNT, get_magisk_tmp());
xmkdir(path, 0755);
xmount(MODULEROOT, path, nullptr, MS_BIND, nullptr);
xmount(nullptr, path, nullptr, MS_REMOUNT | MS_BIND | MS_RDONLY, nullptr);
xmount(nullptr, path, nullptr, MS_PRIVATE, nullptr);
// Check and mount preinit mirror
char dev_path[64];
@ -181,10 +176,10 @@ static bool magisk_env() {
LOGI("* Initializing Magisk environment\n");
preserve_stub_apk();
// Directories in /data/adb
chmod(SECURE_DIR, 0700);
xmkdir(DATABIN, 0755);
xmkdir(MODULEROOT, 0755);
xmkdir(SECURE_DIR "/post-fs-data.d", 0755);
xmkdir(SECURE_DIR "/service.d", 0755);
restorecon();
@ -275,45 +270,54 @@ static bool check_key_combo() {
* Boot Stage Handlers *
***********************/
extern int disable_deny();
static void disable_zygisk() {
char sql[64];
sprintf(sql, "REPLACE INTO settings (key,value) VALUES('%s',%d)",
DB_SETTING_KEYS[ZYGISK_CONFIG], false);
char *err = db_exec(sql);
db_err(err);
}
bool MagiskD::post_fs_data() const {
as_rust().setup_logfile();
LOGI("** post-fs-data mode running\n");
unlock_blocks();
setup_mounts();
preserve_stub_apk();
prune_su_access();
bool safe_mode = false;
if (access(SECURE_DIR, F_OK) != 0) {
LOGE(SECURE_DIR " is not present, abort\n");
goto early_abort;
if (SDK_INT < 24) {
xmkdir(SECURE_DIR, 0700);
} else {
LOGE(SECURE_DIR " is not present, abort\n");
return safe_mode;
}
}
if (!magisk_env()) {
LOGE("* Magisk environment incomplete, abort\n");
goto early_abort;
return safe_mode;
}
if (get_prop("persist.sys.safemode", true) == "1" ||
get_prop("ro.sys.safemode") == "1" || check_key_combo()) {
safe_mode = true;
// Disable all modules and denylist so next boot will be clean
// Disable all modules and zygisk so next boot will be clean
disable_modules();
disable_deny();
} else {
exec_common_scripts("post-fs-data");
db_settings dbs;
get_db_settings(dbs, ZYGISK_CONFIG);
zygisk_enabled = dbs[ZYGISK_CONFIG];
initialize_denylist();
handle_modules();
disable_zygisk();
return safe_mode;
}
early_abort:
exec_common_scripts("post-fs-data");
db_settings dbs;
get_db_settings(dbs, ZYGISK_CONFIG);
zygisk_enabled = dbs[ZYGISK_CONFIG];
initialize_denylist();
setup_mounts();
handle_modules();
load_modules();
return safe_mode;
}