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Revert "Cancel recursive bind"

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This reverts commit a18a440236e6b1563cd9ceb1abee21836d5cebd8.
This commit is contained in:
topjohnwu 2023-04-05 10:47:13 -07:00
parent 18b1ef6c29
commit cc5ff36165
2 changed files with 7 additions and 6 deletions
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7
native/src/init/mount.cpp
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@ -121,7 +121,7 @@ static void switch_root(const string &path) {
#define PREINITMNT MIRRDIR "/preinit"
static void mount_preinit_dir(string preinit_dev) {
static void mount_preinit_dir(string path, string preinit_dev) {
if (preinit_dev.empty()) return;
strcpy(blk_info.partname, preinit_dev.data());
strcpy(blk_info.block_dev, PREINITDEV);
@ -156,6 +156,7 @@ static void mount_preinit_dir(string preinit_dev) {
} else {
LOGD("preinit: %s\n", preinit_dir.data());
xmount(preinit_dir.data(), PREINITMIRR, nullptr, MS_BIND, nullptr);
mount_list.emplace_back(path += "/" PREINITMIRR);
}
xumount2(PREINITMNT, MNT_DETACH);
} else {
@ -264,7 +265,7 @@ void MagiskInit::setup_tmp(const char *path) {
xmkdir(BLOCKDIR, 0);
xmkdir(WORKERDIR, 0);
mount_preinit_dir(preinit_dev);
mount_preinit_dir(path, preinit_dev);
cp_afc(".backup/.magisk", INTLROOT "/config");
rm_rf(".backup");
@ -274,7 +275,7 @@ void MagiskInit::setup_tmp(const char *path) {
xsymlink("./magisk", applet_names[i]);
xsymlink("./magiskpolicy", "supolicy");
xmount(".", path, nullptr, MS_BIND, nullptr);
xmount(".", path, nullptr, MS_BIND | MS_REC, nullptr);
chdir("/");
}

6
native/src/init/rootdir.cpp
View File

@ -233,8 +233,9 @@ void MagiskInit::patch_ro_root() {
setup_tmp(tmp_dir.data());
chdir(tmp_dir.data());
// Recreate original sbin structure if necessary
if (tmp_dir == "/sbin") {
// Recreate original sbin structure
// Mount system_root mirror
xmkdir(ROOTMIR, 0755);
xmount("/", ROOTMIR, nullptr, MS_BIND, nullptr);
recreate_sbin(ROOTMIR "/sbin", true);
@ -279,8 +280,7 @@ void MagiskInit::patch_ro_root() {
// Oculus Go will use a special sepolicy if unlocked
if (access("/sepolicy.unlocked", F_OK) == 0) {
patch_sepolicy("/sepolicy.unlocked", ROOTOVL "/sepolicy.unlocked");
} else if ((access(SPLIT_PLAT_CIL, F_OK) != 0 && access("/sepolicy", F_OK) == 0) ||
!hijack_sepolicy()) {
} else if ((access(SPLIT_PLAT_CIL, F_OK) != 0 && access("/sepolicy", F_OK) == 0) || !hijack_sepolicy()) {
patch_sepolicy("/sepolicy", ROOTOVL "/sepolicy");
}