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68 lines
1.9 KiB
68 lines
1.9 KiB
#!/system/bin/sh
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#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Set up or tear down subdirectories of vold-created directories.
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#
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# This is kept separate from vold because under the SELinux rules, it has privileges vold doesn't
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# have. In particular, prepare_dir sets SELinux labels on subdirectories based on file_contexts,
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# so this script has some relabelling privileges.
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set -e
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action="$1"
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dirtype="$2"
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volume_uuid="$3"
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user_id="$4"
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path="$5"
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case "$user_id" in
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*[!0-9]* | '')
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echo "Invalid user id"
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exit -1
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;;
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esac
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if [ x"$volume_uuid" != x ] ; then
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echo "Volume must be root volume"
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exit -1;
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fi
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case "$dirtype" in
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misc_de|misc_ce)
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computed_path="/data/$dirtype/$user_id"
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if [ x"$computed_path" != x"$path" ] ; then
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echo "Parameter path didn't match computed path: " $computed_path
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exit -1;
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fi
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case "$action" in
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prepare)
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/system/bin/prepare_dir --mode 700 --uid 0 --gid 0 -- "$computed_path"/vold
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;;
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destroy)
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rm -rf "$computed_path"/*
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;;
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*)
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echo "Unknown action: $action"
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exit -1
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;;
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esac
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;;
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*)
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echo "Unknown type: $dirtype"
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exit -1
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;;
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esac
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