1 // Copyright 2022 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef CONTRIB_WOFF2_WOFF2_SAPI_H_ 16 #define CONTRIB_WOFF2_WOFF2_SAPI_H_ 17 18 #include <syscall.h> 19 20 #include <cstdlib> 21 22 #include "woff2_sapi.sapi.h" // NOLINT(build/include) 23 24 namespace sapi_woff2 { 25 26 class Woff2SapiSandbox : public WOFF2Sandbox { 27 public: ModifyPolicy(sandbox2::PolicyBuilder *)28 std::unique_ptr<sandbox2::Policy> ModifyPolicy( 29 sandbox2::PolicyBuilder*) override { 30 return sandbox2::PolicyBuilder() 31 .AllowDynamicStartup() 32 .AllowSystemMalloc() 33 .AllowRead() 34 .AllowStat() 35 .AllowWrite() 36 .AllowExit() 37 .AllowSyscalls({ 38 __NR_futex, 39 __NR_close, 40 __NR_lseek, 41 __NR_getpid, 42 __NR_clock_gettime, 43 __NR_madvise, 44 }) 45 .BuildOrDie(); 46 } 47 }; 48 49 } // namespace sapi_woff2 50 51 #endif // CONTRIB_WOFF2_WOFF2_SAPI_H_ 52