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Behave more sane in extreme conditions

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topjohnwu 2019-03-22 01:50:33 -04:00
parent d371d017b7
commit 2a40cb60a9
1 changed files with 15 additions and 9 deletions
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24
native/jni/core/bootstages.cpp
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@ -29,6 +29,7 @@ using namespace std;
static char buf[PATH_MAX], buf2[PATH_MAX]; static char buf[PATH_MAX], buf2[PATH_MAX];
static vector<string> module_list; static vector<string> module_list;
static bool seperate_vendor; static bool seperate_vendor;
static bool no_secure_dir = false;
char *system_block, *vendor_block, *data_block; char *system_block, *vendor_block, *data_block;
@ -341,9 +342,11 @@ static bool magisk_env() {
LOGI("* Initializing Magisk environment\n"); LOGI("* Initializing Magisk environment\n");
// Alternative binaries paths // Alternative binaries paths
const char *alt_bin[] = { "/cache/data_adb/magisk", "/data/magisk", constexpr const char *alt_bin[] = {
"/data/data/com.topjohnwu.magisk/install", "/cache/data_adb/magisk", "/data/magisk",
"/data/user_de/0/com.topjohnwu.magisk/install" }; "/data/data/com.topjohnwu.magisk/install",
"/data/user_de/0/com.topjohnwu.magisk/install"
};
for (auto &alt : alt_bin) { for (auto &alt : alt_bin) {
struct stat st; struct stat st;
if (lstat(alt, &st) != -1) { if (lstat(alt, &st) != -1) {
@ -363,17 +366,18 @@ static bool magisk_env() {
unlink("/data/magisk.img"); unlink("/data/magisk.img");
unlink("/data/magisk_debug.log"); unlink("/data/magisk_debug.log");
// Legacy support // Backwards compatibility
symlink(MAGISKTMP, "/sbin/.core"); symlink(MAGISKTMP, "/sbin/.core");
symlink(MODULEMNT, MAGISKTMP "/img"); symlink(MODULEMNT, MAGISKTMP "/img");
// Create directories in tmpfs overlay // Directories in tmpfs overlay
xmkdirs(MIRRDIR "/system", 0755); xmkdirs(MIRRDIR "/system", 0755);
xmkdir(MIRRDIR "/data", 0755); xmkdir(MIRRDIR "/data", 0755);
xmkdir(BBPATH, 0755); xmkdir(BBPATH, 0755);
xmkdir(MODULEMNT, 0755); xmkdir(MODULEMNT, 0755);
// /data/adb directories // Directories in /data/adb
xmkdir(DATABIN, 0755);
xmkdir(MODULEROOT, 0755); xmkdir(MODULEROOT, 0755);
xmkdir(SECURE_DIR "/post-fs-data.d", 0755); xmkdir(SECURE_DIR "/post-fs-data.d", 0755);
xmkdir(SECURE_DIR "/service.d", 0755); xmkdir(SECURE_DIR "/service.d", 0755);
@ -600,6 +604,7 @@ void post_fs_data(int client) {
* do NOT proceed further. Manual creation of the folder * do NOT proceed further. Manual creation of the folder
* will cause bootloops on FBE devices. */ * will cause bootloops on FBE devices. */
LOGE(SECURE_DIR " is not present, abort..."); LOGE(SECURE_DIR " is not present, abort...");
no_secure_dir = true;
unblock_boot_process(); unblock_boot_process();
} }
@ -619,7 +624,7 @@ void post_fs_data(int client) {
fclose(cf); fclose(cf);
#endif #endif
// No uninstaller or core-only mode // Not core-only mode
if (access(DISABLEFILE, F_OK) != 0) { if (access(DISABLEFILE, F_OK) != 0) {
simple_mount("/system"); simple_mount("/system");
simple_mount("/vendor"); simple_mount("/vendor");
@ -715,9 +720,10 @@ void late_start(int client) {
dump_logs(); dump_logs();
if (access(SECURE_DIR, F_OK) != 0) { if (no_secure_dir) {
// It's safe to create the folder at this point if the system didn't create it // It's safe to create the folder at this point if the system didn't create it
xmkdir(SECURE_DIR, 0700); if (access(SECURE_DIR, F_OK) != 0)
xmkdir(SECURE_DIR, 0700);
// And reboot to make proper setup possible // And reboot to make proper setup possible
exec_command_sync("/system/bin/reboot"); exec_command_sync("/system/bin/reboot");
} }