50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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**
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** Copyright 2016, 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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*/
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#include <cutils/log.h>
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#include <libminijail.h>
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#include "minijail.h"
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namespace android {
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/* Must match location in Android.mk */
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static const char kSeccompFilePath[] = "/system/etc/seccomp_policy/mediacodec-seccomp.policy";
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int MiniJail()
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{
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/* no seccomp policy for this architecture */
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if (access(kSeccompFilePath, R_OK) == -1) {
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ALOGW("No seccomp filter defined for this architecture.");
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return 0;
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}
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struct minijail *jail = minijail_new();
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if (jail == NULL) {
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ALOGW("Failed to create minijail.");
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return -1;
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}
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minijail_no_new_privs(jail);
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minijail_log_seccomp_filter_failures(jail);
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minijail_use_seccomp_filter(jail);
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minijail_parse_seccomp_filters(jail, kSeccompFilePath);
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minijail_enter(jail);
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minijail_destroy(jail);
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return 0;
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}
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}
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