1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #import <AppKit/AppKit.h>
7 #include "base/environment.h"
8 #include "base/memory/scoped_ptr.h"
9 #include "base/strings/string_util.h"
10 #include "content/common/plugin_carbon_interpose_constants_mac.h"
11 #include "content/plugin/plugin_interpose_util_mac.h"
12 #include "content/public/common/content_client.h"
16 #if !defined(__LP64__)
17 void TrimInterposeEnvironment() {
18 scoped_ptr<base::Environment> env(base::Environment::Create());
20 std::string interpose_list;
21 if (!env->GetVar(kDYLDInsertLibrariesKey, &interpose_list)) {
22 VLOG(0) << "No Carbon Interpose library found.";
26 // The list is a :-separated list of paths. Because we append our interpose
27 // library just before forking in plugin_process_host.cc, the only cases we
28 // need to handle are:
29 // 1) The whole string is "<kInterposeLibraryPath>", so just clear it, or
30 // 2) ":<kInterposeLibraryPath>" is the end of the string, so trim and re-set.
31 std::string interpose_library_path =
32 GetContentClient()->GetCarbonInterposePath();
33 DCHECK_GE(interpose_list.size(), interpose_library_path.size());
34 size_t suffix_offset = interpose_list.size() - interpose_library_path.size();
35 if (suffix_offset == 0 &&
36 interpose_list == interpose_library_path) {
37 env->UnSetVar(kDYLDInsertLibrariesKey);
38 } else if (suffix_offset > 0 && interpose_list[suffix_offset - 1] == ':' &&
39 interpose_list.substr(suffix_offset) == interpose_library_path) {
40 std::string trimmed_list = interpose_list.substr(0, suffix_offset - 1);
41 env->SetVar(kDYLDInsertLibrariesKey, trimmed_list.c_str());
43 NOTREACHED() << "Missing Carbon interposing library";
48 void InitializeChromeApplication() {
49 [NSApplication sharedApplication];
50 mac_plugin_interposing::SetUpCocoaInterposing();
53 } // namespace content