1 files changed, 0 insertions, 270 deletions
diff --git a/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc b/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
deleted file mode 100644
index 8c679a3d41..0000000000
--- a/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+++ /dev/null
@@ -1,270 +0,0 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "sandbox/linux/seccomp-bpf-helpers/baseline_policy.h"
-
-#include <errno.h>
-#include <sys/mman.h>
-#include <sys/socket.h>
-#include <sys/syscall.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "base/logging.h"
-#include "build/build_config.h"
-#include "sandbox/linux/bpf_dsl/bpf_dsl.h"
-#include "sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.h"
-#include "sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h"
-#include "sandbox/linux/seccomp-bpf-helpers/syscall_sets.h"
-#include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
-#include "sandbox/linux/services/syscall_wrappers.h"
-#include "sandbox/linux/system_headers/linux_syscalls.h"
-
-// Changing this implementation will have an effect on *all* policies.
-// Currently this means: Renderer/Worker, GPU, Flash and NaCl.
-
-using sandbox::bpf_dsl::Allow;
-using sandbox::bpf_dsl::Arg;
-using sandbox::bpf_dsl::Error;
-using sandbox::bpf_dsl::If;
-using sandbox::bpf_dsl::ResultExpr;
-
-namespace sandbox {
-
-namespace {
-
-bool IsBaselinePolicyAllowed(int sysno) {
-  return SyscallSets::IsAllowedAddressSpaceAccess(sysno) ||
-         SyscallSets::IsAllowedBasicScheduler(sysno) ||
-         SyscallSets::IsAllowedEpoll(sysno) ||
-         SyscallSets::IsAllowedFileSystemAccessViaFd(sysno) ||
-         SyscallSets::IsAllowedFutex(sysno) ||
-         SyscallSets::IsAllowedGeneralIo(sysno) ||
-         SyscallSets::IsAllowedGetOrModifySocket(sysno) ||
-         SyscallSets::IsAllowedGettime(sysno) ||
-         SyscallSets::IsAllowedProcessStartOrDeath(sysno) ||
-         SyscallSets::IsAllowedSignalHandling(sysno) ||
-         SyscallSets::IsGetSimpleId(sysno) ||
-         SyscallSets::IsKernelInternalApi(sysno) ||
-#if defined(__arm__)
-         SyscallSets::IsArmPrivate(sysno) ||
-#endif
-#if defined(__mips__)
-         SyscallSets::IsMipsPrivate(sysno) ||
-#endif
-         SyscallSets::IsAllowedOperationOnFd(sysno);
-}
-
-// System calls that will trigger the crashing SIGSYS handler.
-bool IsBaselinePolicyWatched(int sysno) {
-  return SyscallSets::IsAdminOperation(sysno) ||
-         SyscallSets::IsAdvancedScheduler(sysno) ||
-         SyscallSets::IsAdvancedTimer(sysno) ||
-         SyscallSets::IsAsyncIo(sysno) ||
-         SyscallSets::IsDebug(sysno) ||
-         SyscallSets::IsEventFd(sysno) ||
-         SyscallSets::IsExtendedAttributes(sysno) ||
-         SyscallSets::IsFaNotify(sysno) ||
-         SyscallSets::IsFsControl(sysno) ||
-         SyscallSets::IsGlobalFSViewChange(sysno) ||
-         SyscallSets::IsGlobalProcessEnvironment(sysno) ||
-         SyscallSets::IsGlobalSystemStatus(sysno) ||
-         SyscallSets::IsInotify(sysno) ||
-         SyscallSets::IsKernelModule(sysno) ||
-         SyscallSets::IsKeyManagement(sysno) ||
-         SyscallSets::IsKill(sysno) ||
-         SyscallSets::IsMessageQueue(sysno) ||
-         SyscallSets::IsMisc(sysno) ||
-#if defined(__x86_64__)
-         SyscallSets::IsNetworkSocketInformation(sysno) ||
-#endif
-         SyscallSets::IsNuma(sysno) ||
-         SyscallSets::IsPrctl(sysno) ||
-         SyscallSets::IsProcessGroupOrSession(sysno) ||
-#if defined(__i386__) || defined(__mips__)
-         SyscallSets::IsSocketCall(sysno) ||
-#endif
-#if defined(__arm__)
-         SyscallSets::IsArmPciConfig(sysno) ||
-#endif
-#if defined(__mips__)
-         SyscallSets::IsMipsMisc(sysno) ||
-#endif
-         SyscallSets::IsTimer(sysno);
-}
-
-// |fs_denied_errno| is the errno return for denied filesystem access.
-ResultExpr EvaluateSyscallImpl(int fs_denied_errno,
-                               pid_t current_pid,
-                               int sysno) {
-#if defined(ADDRESS_SANITIZER) || defined(THREAD_SANITIZER) || \
-    defined(MEMORY_SANITIZER)
-  // TCGETS is required by the sanitizers on failure.
-  if (sysno == __NR_ioctl) {
-    return RestrictIoctl();
-  }
-
-  if (sysno == __NR_sched_getaffinity) {
-    return Allow();
-  }
-
-  // Used when RSS limiting is enabled in sanitizers.
-  if (sysno == __NR_getrusage) {
-    return RestrictGetrusage();
-  }
-
-  if (sysno == __NR_sigaltstack) {
-    // Required for better stack overflow detection in ASan. Disallowed in
-    // non-ASan builds.
-    return Allow();
-  }
-#endif  // defined(ADDRESS_SANITIZER) || defined(THREAD_SANITIZER) ||
-        // defined(MEMORY_SANITIZER)
-
-  if (IsBaselinePolicyAllowed(sysno)) {
-    return Allow();
-  }
-
-#if defined(OS_ANDROID)
-  // Needed for thread creation.
-  if (sysno == __NR_sigaltstack)
-    return Allow();
-#endif
-
-  if (sysno == __NR_clock_gettime) {
-    return RestrictClockID();
-  }
-
-  if (sysno == __NR_clone) {
-    return RestrictCloneToThreadsAndEPERMFork();
-  }
-
-  if (sysno == __NR_fcntl)
-    return RestrictFcntlCommands();
-
-#if defined(__i386__) || defined(__arm__) || defined(__mips__)
-  if (sysno == __NR_fcntl64)
-    return RestrictFcntlCommands();
-#endif
-
-#if !defined(__aarch64__)
-  // fork() is never used as a system call (clone() is used instead), but we
-  // have seen it in fallback code on Android.
-  if (sysno == __NR_fork) {
-    return Error(EPERM);
-  }
-#endif
-
-  if (sysno == __NR_futex)
-    return RestrictFutex();
-
-  if (sysno == __NR_set_robust_list)
-    return Error(EPERM);
-
-  if (sysno == __NR_getpriority || sysno ==__NR_setpriority)
-    return RestrictGetSetpriority(current_pid);
-
-  if (sysno == __NR_madvise) {
-    // Only allow MADV_DONTNEED (aka MADV_FREE).
-    const Arg<int> advice(2);
-    return If(advice == MADV_DONTNEED, Allow()).Else(Error(EPERM));
-  }
-
-#if defined(__i386__) || defined(__x86_64__) || defined(__mips__) || \
-    defined(__aarch64__)
-  if (sysno == __NR_mmap)
-    return RestrictMmapFlags();
-#endif
-
-#if defined(__i386__) || defined(__arm__) || defined(__mips__)
-  if (sysno == __NR_mmap2)
-    return RestrictMmapFlags();
-#endif
-
-  if (sysno == __NR_mprotect)
-    return RestrictMprotectFlags();
-
-  if (sysno == __NR_prctl)
-    return RestrictPrctl();
-
-#if defined(__x86_64__) || defined(__arm__) || defined(__mips__) || \
-    defined(__aarch64__)
-  if (sysno == __NR_socketpair) {
-    // Only allow AF_UNIX, PF_UNIX. Crash if anything else is seen.
-    static_assert(AF_UNIX == PF_UNIX,
-                  "af_unix and pf_unix should not be different");
-    const Arg<int> domain(0);
-    return If(domain == AF_UNIX, Allow()).Else(CrashSIGSYS());
-  }
-#endif
-
-  if (SyscallSets::IsKill(sysno)) {
-    return RestrictKillTarget(current_pid, sysno);
-  }
-
-  if (SyscallSets::IsFileSystem(sysno) ||
-      SyscallSets::IsCurrentDirectory(sysno)) {
-    return Error(fs_denied_errno);
-  }
-
-  if (SyscallSets::IsSeccomp(sysno))
-    return Error(EPERM);
-
-  if (SyscallSets::IsAnySystemV(sysno)) {
-    return Error(EPERM);
-  }
-
-  if (SyscallSets::IsUmask(sysno) ||
-      SyscallSets::IsDeniedFileSystemAccessViaFd(sysno) ||
-      SyscallSets::IsDeniedGetOrModifySocket(sysno) ||
-      SyscallSets::IsProcessPrivilegeChange(sysno)) {
-    return Error(EPERM);
-  }
-
-#if defined(__i386__) || defined(__mips__)
-  if (SyscallSets::IsSocketCall(sysno))
-    return RestrictSocketcallCommand();
-#endif
-
-  if (IsBaselinePolicyWatched(sysno)) {
-    // Previously unseen syscalls. TODO(jln): some of these should
-    // be denied gracefully right away.
-    return CrashSIGSYS();
-  }
-
-  // In any other case crash the program with our SIGSYS handler.
-  return CrashSIGSYS();
-}
-
-}  // namespace.
-
-// Unfortunately C++03 doesn't allow delegated constructors.
-// Call other constructor when C++11 lands.
-BaselinePolicy::BaselinePolicy() : BaselinePolicy(EPERM) {}
-
-BaselinePolicy::BaselinePolicy(int fs_denied_errno)
-    : fs_denied_errno_(fs_denied_errno), policy_pid_(sys_getpid()) {
-}
-
-BaselinePolicy::~BaselinePolicy() {
-  // Make sure that this policy is created, used and destroyed by a single
-  // process.
-  DCHECK_EQ(sys_getpid(), policy_pid_);
-}
-
-ResultExpr BaselinePolicy::EvaluateSyscall(int sysno) const {
-  // Sanity check that we're only called with valid syscall numbers.
-  DCHECK(SandboxBPF::IsValidSyscallNumber(sysno));
-  // Make sure that this policy is used in the creating process.
-  if (1 == sysno) {
-    DCHECK_EQ(sys_getpid(), policy_pid_);
-  }
-  return EvaluateSyscallImpl(fs_denied_errno_, policy_pid_, sysno);
-}
-
-ResultExpr BaselinePolicy::InvalidSyscall() const {
-  return CrashSIGSYS();
-}
-
-}  // namespace sandbox.