Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(185)

Side by Side Diff: sandbox/linux/seccomp-bpf/sandbox_bpf.h

Issue 10535089: Avoid all library calls (including calls to destructors) after enabling the sandbox. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Added comments requested by Julien Created 8 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
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
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__
OLDNEW
« no previous file with comments | « no previous file | sandbox/linux/seccomp-bpf/sandbox_bpf.cc » ('j') | sandbox/linux/seccomp-bpf/sandbox_bpf.cc » ('J')

Powered by Google App Engine
This is Rietveld 408576698