| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SANDBOX_BPF_H__ | 5 #ifndef SANDBOX_BPF_H__ |
| 6 #define SANDBOX_BPF_H__ | 6 #define SANDBOX_BPF_H__ |
| 7 | 7 |
| 8 #include <endian.h> | 8 #include <endian.h> |
| 9 #include <errno.h> | 9 #include <errno.h> |
| 10 #include <fcntl.h> | 10 #include <fcntl.h> |
| (...skipping 206 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 217 // notice and file a bug... | 217 // notice and file a bug... |
| 218 syscall(__NR_exit_group, 1); | 218 syscall(__NR_exit_group, 1); |
| 219 _exit(1); | 219 _exit(1); |
| 220 } | 220 } |
| 221 } | 221 } |
| 222 | 222 |
| 223 // Get a file descriptor pointing to "/proc", if currently available. | 223 // Get a file descriptor pointing to "/proc", if currently available. |
| 224 static int getProcFd() { return proc_fd_; } | 224 static int getProcFd() { return proc_fd_; } |
| 225 | 225 |
| 226 private: | 226 private: |
| 227 typedef std::vector<struct sock_filter> Program; |
| 228 |
| 227 static ErrorCode probeEvaluator(int signo); | 229 static ErrorCode probeEvaluator(int signo); |
| 228 static bool kernelSupportSeccompBPF(int proc_fd); | 230 static bool kernelSupportSeccompBPF(int proc_fd); |
| 229 | 231 static bool isSingleThreaded(int proc_fd); |
| 230 static bool isSingleThreaded(int proc_fd); | 232 static bool disableFilesystem(); |
| 231 static bool disableFilesystem(); | 233 static void installFilter(); |
| 232 static void installFilter(); | 234 static void sigSys(int nr, siginfo_t *info, void *void_context); |
| 233 static void sigSys(int nr, siginfo_t *info, void *void_context); | |
| 234 | 235 |
| 235 static bool suppressLogging_; | 236 static bool suppressLogging_; |
| 236 static SandboxStatus status_; | 237 static SandboxStatus status_; |
| 237 static int proc_fd_; | 238 static int proc_fd_; |
| 238 static std::vector<std::pair<EvaluateSyscall, | 239 static std::vector<std::pair<EvaluateSyscall, |
| 239 EvaluateArguments> > evaluators_; | 240 EvaluateArguments> > evaluators_; |
| 240 }; | 241 }; |
| 241 | 242 |
| 242 } // namespace | 243 } // namespace |
| 243 | 244 |
| 244 #endif // SANDBOX_BPF_H__ | 245 #endif // SANDBOX_BPF_H__ |
| OLD | NEW |