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 #include "chrome/app/nacl_fork_delegate_linux.h" | 5 #include "chrome/app/nacl_fork_delegate_linux.h" |
6 | 6 |
7 #include <signal.h> | 7 #include <signal.h> |
8 #include <stdlib.h> | 8 #include <stdlib.h> |
9 #include <sys/resource.h> | 9 #include <sys/resource.h> |
10 #include <sys/socket.h> | 10 #include <sys/socket.h> |
11 | 11 |
12 #include <set> | 12 #include <set> |
13 | 13 |
14 #include "base/basictypes.h" | 14 #include "base/basictypes.h" |
15 #include "base/command_line.h" | 15 #include "base/command_line.h" |
16 #include "base/logging.h" | 16 #include "base/logging.h" |
17 #include "base/file_path.h" | 17 #include "base/file_path.h" |
18 #include "base/path_service.h" | 18 #include "base/path_service.h" |
19 #include "base/posix/eintr_wrapper.h" | 19 #include "base/posix/eintr_wrapper.h" |
20 #include "base/posix/unix_domain_socket.h" | 20 #include "base/posix/unix_domain_socket.h" |
21 #include "base/process_util.h" | 21 #include "base/process_util.h" |
22 #include "base/third_party/dynamic_annotations/dynamic_annotations.h" | 22 #include "base/third_party/dynamic_annotations/dynamic_annotations.h" |
23 #include "chrome/common/chrome_paths.h" | 23 #include "chrome/common/chrome_paths.h" |
24 #include "chrome/common/chrome_switches.h" | 24 #include "chrome/common/chrome_switches.h" |
25 #include "chrome/common/nacl_helper_linux.h" | 25 #include "chrome/common/nacl_helper_linux.h" |
26 | 26 |
27 NaClForkDelegate::NaClForkDelegate() | 27 NaClForkDelegate::NaClForkDelegate() |
28 : status_(kNaClHelperUnused), | 28 : status_(kNaClHelperUnused), |
29 sandboxed_(false), | |
30 fd_(-1) {} | 29 fd_(-1) {} |
31 | 30 |
32 /* | 31 /* |
33 * Note these need to match up with their counterparts in nacl_helper_linux.c | 32 * Note these need to match up with their counterparts in nacl_helper_linux.c |
34 * and nacl_helper_bootstrap_linux.c. | 33 * and nacl_helper_bootstrap_linux.c. |
35 */ | 34 */ |
36 const char kNaClHelperReservedAtZero[] = | 35 const char kNaClHelperReservedAtZero[] = |
37 "--reserved_at_zero=0xXXXXXXXXXXXXXXXX"; | 36 "--reserved_at_zero=0xXXXXXXXXXXXXXXXX"; |
38 const char kNaClHelperRDebug[] = "--r_debug=0xXXXXXXXXXXXXXXXX"; | 37 const char kNaClHelperRDebug[] = "--r_debug=0xXXXXXXXXXXXXXXXX"; |
39 | 38 |
40 void NaClForkDelegate::Init(const bool sandboxed, | 39 void NaClForkDelegate::Init(const int browserdesc, const int sandboxdesc) { |
41 const int browserdesc, | |
42 const int sandboxdesc) { | |
43 VLOG(1) << "NaClForkDelegate::Init()"; | 40 VLOG(1) << "NaClForkDelegate::Init()"; |
44 int fds[2]; | 41 int fds[2]; |
45 | 42 |
46 sandboxed_ = sandboxed; | |
47 // Confirm a couple hard-wired assumptions. | 43 // Confirm a couple hard-wired assumptions. |
48 // The NaCl constants are from chrome/nacl/nacl_linux_helper.h | 44 // The NaCl constants are from chrome/nacl/nacl_linux_helper.h |
49 DCHECK(kNaClBrowserDescriptor == browserdesc); | 45 DCHECK(kNaClBrowserDescriptor == browserdesc); |
50 DCHECK(kNaClSandboxDescriptor == sandboxdesc); | 46 DCHECK(kNaClSandboxDescriptor == sandboxdesc); |
51 | 47 |
52 CHECK(socketpair(PF_UNIX, SOCK_SEQPACKET, 0, fds) == 0); | 48 CHECK(socketpair(PF_UNIX, SOCK_SEQPACKET, 0, fds) == 0); |
53 base::FileHandleMappingVector fds_to_map; | 49 base::FileHandleMappingVector fds_to_map; |
54 fds_to_map.push_back(std::make_pair(fds[1], kNaClZygoteDescriptor)); | 50 fds_to_map.push_back(std::make_pair(fds[1], kNaClZygoteDescriptor)); |
55 fds_to_map.push_back(std::make_pair(sandboxdesc, kNaClSandboxDescriptor)); | 51 fds_to_map.push_back(std::make_pair(sandboxdesc, kNaClSandboxDescriptor)); |
56 | 52 |
(...skipping 105 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
162 | 158 |
163 bool NaClForkDelegate::AckChild(const int fd, | 159 bool NaClForkDelegate::AckChild(const int fd, |
164 const std::string& channel_switch) { | 160 const std::string& channel_switch) { |
165 int nwritten = HANDLE_EINTR(write(fd, channel_switch.c_str(), | 161 int nwritten = HANDLE_EINTR(write(fd, channel_switch.c_str(), |
166 channel_switch.length())); | 162 channel_switch.length())); |
167 if (nwritten != static_cast<int>(channel_switch.length())) { | 163 if (nwritten != static_cast<int>(channel_switch.length())) { |
168 return false; | 164 return false; |
169 } | 165 } |
170 return true; | 166 return true; |
171 } | 167 } |
OLD | NEW |