The Tor Browser / annotate

toolkit/crashreporter/google-breakpad/src/client/mac/Framework/OnDemandServer.mm@6474c204b198 (annotated)

toolkit/crashreporter/google-breakpad/src/client/mac/Framework/OnDemandServer.mm

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 // Copyright (c) 2007, Google Inc.
michael@0 2 // All rights reserved.
michael@0 3 //
michael@0 4 // Redistribution and use in source and binary forms, with or without
michael@0 5 // modification, are permitted provided that the following conditions are
michael@0 6 // met:
michael@0 7 //
michael@0 8 // * Redistributions of source code must retain the above copyright
michael@0 9 // notice, this list of conditions and the following disclaimer.
michael@0 10 // * Redistributions in binary form must reproduce the above
michael@0 11 // copyright notice, this list of conditions and the following disclaimer
michael@0 12 // in the documentation and/or other materials provided with the
michael@0 13 // distribution.
michael@0 14 // * Neither the name of Google Inc. nor the names of its
michael@0 15 // contributors may be used to endorse or promote products derived from
michael@0 16 // this software without specific prior written permission.
michael@0 17 //
michael@0 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 29
michael@0 30 #import "OnDemandServer.h"
michael@0 31
michael@0 32 #import "Breakpad.h"
michael@0 33 #include "common/mac/bootstrap_compat.h"
michael@0 34
michael@0 35 #if DEBUG
michael@0 36 #define PRINT_MACH_RESULT(result_, message_) \
michael@0 37 printf(message_"%s (%d)\n", mach_error_string(result_), result_ );
michael@0 38 #if defined(MAC_OS_X_VERSION_10_5) && \
michael@0 39 MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
michael@0 40 #define PRINT_BOOTSTRAP_RESULT(result_, message_) \
michael@0 41 printf(message_"%s (%d)\n", bootstrap_strerror(result_), result_ );
michael@0 42 #else
michael@0 43 #define PRINT_BOOTSTRAP_RESULT(result_, message_) \
michael@0 44 PRINT_MACH_RESULT(result_, message_)
michael@0 45 #endif
michael@0 46 #else
michael@0 47 #define PRINT_MACH_RESULT(result_, message_)
michael@0 48 #define PRINT_BOOTSTRAP_RESULT(result_, message_)
michael@0 49 #endif
michael@0 50
michael@0 51 //==============================================================================
michael@0 52 OnDemandServer *OnDemandServer::Create(const char *server_command,
michael@0 53 const char *service_name,
michael@0 54 bool unregister_on_cleanup,
michael@0 55 kern_return_t *out_result) {
michael@0 56 OnDemandServer *server = new OnDemandServer();
michael@0 57
michael@0 58 if (!server) return NULL;
michael@0 59
michael@0 60 kern_return_t result = server->Initialize(server_command,
michael@0 61 service_name,
michael@0 62 unregister_on_cleanup);
michael@0 63
michael@0 64 if (out_result) {
michael@0 65 *out_result = result;
michael@0 66 }
michael@0 67
michael@0 68 if (result == KERN_SUCCESS) {
michael@0 69 return server;
michael@0 70 }
michael@0 71
michael@0 72 delete server;
michael@0 73 return NULL;
michael@0 74 };
michael@0 75
michael@0 76 //==============================================================================
michael@0 77 kern_return_t OnDemandServer::Initialize(const char *server_command,
michael@0 78 const char *service_name,
michael@0 79 bool unregister_on_cleanup) {
michael@0 80 unregister_on_cleanup_ = unregister_on_cleanup;
michael@0 81
michael@0 82 mach_port_t self_task = mach_task_self();
michael@0 83
michael@0 84 mach_port_t bootstrap_port;
michael@0 85 kern_return_t kr = task_get_bootstrap_port(self_task, &bootstrap_port);
michael@0 86 if (kr != KERN_SUCCESS) {
michael@0 87 PRINT_MACH_RESULT(kr, "task_get_bootstrap_port(): ");
michael@0 88 return kr;
michael@0 89 }
michael@0 90
michael@0 91 mach_port_t bootstrap_subset_port;
michael@0 92 kr = bootstrap_subset(bootstrap_port, self_task, &bootstrap_subset_port);
michael@0 93 if (kr != BOOTSTRAP_SUCCESS) {
michael@0 94 PRINT_BOOTSTRAP_RESULT(kr, "bootstrap_subset(): ");
michael@0 95 return kr;
michael@0 96 }
michael@0 97
michael@0 98 // The inspector will be invoked with its bootstrap port set to the subset,
michael@0 99 // but the sender will need access to the original bootstrap port. Although
michael@0 100 // the original port is the subset's parent, bootstrap_parent can't be used
michael@0 101 // because it requires extra privileges. Stash the original bootstrap port
michael@0 102 // in the subset by registering it under a known name. The inspector will
michael@0 103 // recover this port and set it as its own bootstrap port in Inspector.mm
michael@0 104 // Inspector::ResetBootstrapPort.
michael@0 105 kr = breakpad::BootstrapRegister(
michael@0 106 bootstrap_subset_port,
michael@0 107 const_cast<char*>(BREAKPAD_BOOTSTRAP_PARENT_PORT),
michael@0 108 bootstrap_port);
michael@0 109 if (kr != BOOTSTRAP_SUCCESS) {
michael@0 110 PRINT_BOOTSTRAP_RESULT(kr, "bootstrap_register(): ");
michael@0 111 return kr;
michael@0 112 }
michael@0 113
michael@0 114 kr = bootstrap_create_server(bootstrap_subset_port,
michael@0 115 const_cast<char*>(server_command),
michael@0 116 geteuid(), // server uid
michael@0 117 true,
michael@0 118 &server_port_);
michael@0 119 if (kr != BOOTSTRAP_SUCCESS) {
michael@0 120 PRINT_BOOTSTRAP_RESULT(kr, "bootstrap_create_server(): ");
michael@0 121 return kr;
michael@0 122 }
michael@0 123
michael@0 124 strlcpy(service_name_, service_name, sizeof(service_name_));
michael@0 125
michael@0 126 #pragma clang diagnostic push
michael@0 127 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
michael@0 128 // Create a service called service_name, and return send rights to
michael@0 129 // that port in service_port_.
michael@0 130 kr = bootstrap_create_service(server_port_,
michael@0 131 const_cast<char*>(service_name),
michael@0 132 &service_port_);
michael@0 133 #pragma clang diagnostic pop
michael@0 134 if (kr != BOOTSTRAP_SUCCESS) {
michael@0 135 PRINT_BOOTSTRAP_RESULT(kr, "bootstrap_create_service(): ");
michael@0 136
michael@0 137 // perhaps the service has already been created - try to look it up
michael@0 138 kr = bootstrap_look_up(bootstrap_port, (char*)service_name, &service_port_);
michael@0 139
michael@0 140 if (kr != BOOTSTRAP_SUCCESS) {
michael@0 141 PRINT_BOOTSTRAP_RESULT(kr, "bootstrap_look_up(): ");
michael@0 142 Unregister(); // clean up server port
michael@0 143 return kr;
michael@0 144 }
michael@0 145 }
michael@0 146
michael@0 147 return KERN_SUCCESS;
michael@0 148 }
michael@0 149
michael@0 150 //==============================================================================
michael@0 151 OnDemandServer::~OnDemandServer() {
michael@0 152 if (unregister_on_cleanup_) {
michael@0 153 Unregister();
michael@0 154 }
michael@0 155 }
michael@0 156
michael@0 157 //==============================================================================
michael@0 158 void OnDemandServer::LaunchOnDemand() {
michael@0 159 // We need to do this, since the launched server is another process
michael@0 160 // and holding on to this port delays launching until the current process
michael@0 161 // exits!
michael@0 162 mach_port_deallocate(mach_task_self(), server_port_);
michael@0 163 server_port_ = MACH_PORT_DEAD;
michael@0 164
michael@0 165 // Now, the service is still registered and all we need to do is send
michael@0 166 // a mach message to the service port in order to launch the server.
michael@0 167 }
michael@0 168
michael@0 169 //==============================================================================
michael@0 170 void OnDemandServer::Unregister() {
michael@0 171 if (service_port_ != MACH_PORT_NULL) {
michael@0 172 mach_port_deallocate(mach_task_self(), service_port_);
michael@0 173 service_port_ = MACH_PORT_NULL;
michael@0 174 }
michael@0 175
michael@0 176 if (server_port_ != MACH_PORT_NULL) {
michael@0 177 // unregister the service
michael@0 178 kern_return_t kr = breakpad::BootstrapRegister(server_port_,
michael@0 179 service_name_,
michael@0 180 MACH_PORT_NULL);
michael@0 181
michael@0 182 if (kr != KERN_SUCCESS) {
michael@0 183 PRINT_MACH_RESULT(kr, "Breakpad UNREGISTER : bootstrap_register() : ");
michael@0 184 }
michael@0 185
michael@0 186 mach_port_deallocate(mach_task_self(), server_port_);
michael@0 187 server_port_ = MACH_PORT_NULL;
michael@0 188 }
michael@0 189 }

Mercurial Repository: The Tor Browser

Europalab SCM Repository Server

mercurial