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Better AVD support

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This commit is contained in:
topjohnwu 2023-04-04 02:04:49 -07:00
parent 762b70ba9d
commit 24ba4ab95b
2 changed files with 30 additions and 11 deletions
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7
native/src/core/bootstages.cpp
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@ -126,9 +126,11 @@ string find_preinit_device() {
} matched = UNKNOWN; } matched = UNKNOWN;
bool encrypted = getprop("ro.crypto.state") == "encrypted"; bool encrypted = getprop("ro.crypto.state") == "encrypted";
bool mount = getuid() == 0 && getenv("MAGISKTMP"); bool mount = getuid() == 0 && getenv("MAGISKTMP");
bool make_dev = mount && getenv("MAKEDEV");
string preinit_source; string preinit_source;
string preinit_dir; string preinit_dir;
dev_t preinit_dev;
for (const auto &info: parse_mount_info("self")) { for (const auto &info: parse_mount_info("self")) {
if (info.target.ends_with(PREINITMIRR)) if (info.target.ends_with(PREINITMIRR))
@ -180,6 +182,7 @@ string find_preinit_device() {
if (mount) { if (mount) {
preinit_dir = resolve_preinit_dir(info.target.data()); preinit_dir = resolve_preinit_dir(info.target.data());
preinit_dev = info.device;
} }
preinit_source = info.source; preinit_source = info.source;
} }
@ -189,6 +192,10 @@ string find_preinit_device() {
mkdirs(preinit_dir.data(), 0700); mkdirs(preinit_dir.data(), 0700);
mkdirs(mirror_dir.data(), 0700); mkdirs(mirror_dir.data(), 0700);
xmount(preinit_dir.data(), mirror_dir.data(), nullptr, MS_BIND, nullptr); xmount(preinit_dir.data(), mirror_dir.data(), nullptr, MS_BIND, nullptr);
if (make_dev) {
auto dev_path = string(getenv("MAGISKTMP")) + "/" PREINITDEV;
xmknod(dev_path.data(), S_IFBLK | 0600, preinit_dev);
}
} }
return preinit_source.empty() ? "" : basename(preinit_source.data()); return preinit_source.empty() ? "" : basename(preinit_source.data());
} }

34
scripts/avd_magisk.sh
View File

@ -67,15 +67,9 @@ if [ -d /dev/avd-magisk ]; then
rm -rf /dev/avd-magisk 2>/dev/null rm -rf /dev/avd-magisk 2>/dev/null
fi fi
# SELinux stuffs # Mount /cache if not already mounted
if [ -d /sys/fs/selinux ]; then if ! grep -q ' /cache ' /proc/mounts; then
if [ -f /vendor/etc/selinux/precompiled_sepolicy ]; then mount -t tmpfs -o 'mode=0755' tmpfs /cache
./magiskpolicy --load /vendor/etc/selinux/precompiled_sepolicy --live --magisk 2>&1
elif [ -f /sepolicy ]; then
./magiskpolicy --load /sepolicy --live --magisk 2>&1
else
./magiskpolicy --live --magisk 2>&1
fi
fi fi
MAGISKTMP=/sbin MAGISKTMP=/sbin
@ -148,9 +142,27 @@ mkdir $MAGISKTMP/.magisk/block
mkdir $MAGISKTMP/.magisk/worker mkdir $MAGISKTMP/.magisk/worker
touch $MAGISKTMP/.magisk/config touch $MAGISKTMP/.magisk/config
# Boot up
export MAGISKTMP export MAGISKTMP
$MAGISKTMP/magisk --preinit-device MAKEDEV=1 $MAGISKTMP/magisk --preinit-device 2>&1
RULESCMD=""
for r in $MAGISKTMP/.magisk/preinit/*/sepolicy.rule; do
[ -f "$r" ] || continue
RULESCMD="$RULESCMD --apply $r"
done
# SELinux stuffs
if [ -d /sys/fs/selinux ]; then
if [ -f /vendor/etc/selinux/precompiled_sepolicy ]; then
./magiskpolicy --load /vendor/etc/selinux/precompiled_sepolicy --live --magisk $RULESCMD 2>&1
elif [ -f /sepolicy ]; then
./magiskpolicy --load /sepolicy --live --magisk $RULESCMD 2>&1
else
./magiskpolicy --live --magisk $RULESCMD 2>&1
fi
fi
# Boot up
$MAGISKTMP/magisk --post-fs-data $MAGISKTMP/magisk --post-fs-data
start start
$MAGISKTMP/magisk --service $MAGISKTMP/magisk --service