src/chrome/common/mac/mock_launchd.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/mac/mock_launchd.h"
   6
   7 #include <CoreFoundation/CoreFoundation.h>
   8 #include <sys/socket.h>
   9 #include <sys/un.h>
  10
  11 #include "base/basictypes.h"
  12 #include "base/files/file_path.h"
  13 #include "base/files/file_util.h"
  14 #include "base/mac/foundation_util.h"
  15 #include "base/mac/scoped_cftyperef.h"
  16 #include "base/message_loop/message_loop.h"
  17 #include "base/strings/string_util.h"
  18 #include "base/strings/stringprintf.h"
  19 #include "base/strings/sys_string_conversions.h"
  20 #include "chrome/common/chrome_version_info.h"
  21 #include "chrome/common/mac/launchd.h"
  22 #include "chrome/common/service_process_util.h"
  23 #include "testing/gtest/include/gtest/gtest.h"
  24
  25 static sockaddr_un* throwaway_sockaddr_un;
  26 static const size_t kMaxPipeNameLength =
  27     sizeof(throwaway_sockaddr_un->sun_path);
  28
  29 // static
  30 bool MockLaunchd::MakeABundle(const base::FilePath& dst,
  31                               const std::string& name,
  32                               base::FilePath* bundle_root,
  33                               base::FilePath* executable) {
  34   *bundle_root = dst.Append(name + std::string(".app"));
  35   base::FilePath contents = bundle_root->AppendASCII("Contents");
  36   base::FilePath mac_os = contents.AppendASCII("MacOS");
  37   *executable = mac_os.Append(name);
  38   base::FilePath info_plist = contents.Append("Info.plist");
  39
  40   if (!base::CreateDirectory(mac_os)) {
  41     return false;
  42   }
  43   const char *data = "#! testbundle\n";
  44   int len = strlen(data);
  45   if (base::WriteFile(*executable, data, len) != len) {
  46     return false;
  47   }
  48   if (chmod(executable->value().c_str(), 0555) != 0) {
  49     return false;
  50   }
  51
  52   chrome::VersionInfo version_info;
  53
  54   const char* info_plist_format =
  55       "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
  56       "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" "
  57           "\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
  58       "<plist version=\"1.0\">\n"
  59       "<dict>\n"
  60       "  <key>CFBundleDevelopmentRegion</key>\n"
  61       "  <string>English</string>\n"
  62       "  <key>CFBundleExecutable</key>\n"
  63       "  <string>%s</string>\n"
  64       "  <key>CFBundleIdentifier</key>\n"
  65       "  <string>com.test.%s</string>\n"
  66       "  <key>CFBundleInfoDictionaryVersion</key>\n"
  67       "  <string>6.0</string>\n"
  68       "  <key>CFBundleShortVersionString</key>\n"
  69       "  <string>%s</string>\n"
  70       "  <key>CFBundleVersion</key>\n"
  71       "  <string>1</string>\n"
  72       "</dict>\n"
  73       "</plist>\n";
  74   std::string info_plist_data =
  75       base::StringPrintf(info_plist_format,
  76                          name.c_str(),
  77                          name.c_str(),
  78                          version_info.Version().c_str());
  79   len = info_plist_data.length();
  80   if (base::WriteFile(info_plist, info_plist_data.c_str(), len) != len) {
  81     return false;
  82   }
  83   const UInt8* bundle_root_path =
  84       reinterpret_cast<const UInt8*>(bundle_root->value().c_str());
  85   base::ScopedCFTypeRef<CFURLRef> url(
  86       CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault,
  87                                               bundle_root_path,
  88                                               bundle_root->value().length(),
  89                                               true));
  90   base::ScopedCFTypeRef<CFBundleRef> bundle(
  91       CFBundleCreate(kCFAllocatorDefault, url));
  92   return bundle.get();
  93 }
  94
  95 MockLaunchd::MockLaunchd(const base::FilePath& file,
  96                          base::MessageLoop* loop,
  97                          bool create_socket,
  98                          bool as_service)
  99     : file_(file),
 100       message_loop_(loop),
 101       create_socket_(create_socket),
 102       as_service_(as_service),
 103       restart_called_(false),
 104       remove_called_(false),
 105       checkin_called_(false),
 106       write_called_(false),
 107       delete_called_(false) {
 108   std::string pipe_suffix("_SOCKET");
 109   base::FilePath socket_path = file_;
 110   while (socket_path.value().length() + pipe_suffix.length() >
 111          kMaxPipeNameLength - 2) {
 112     socket_path = socket_path.DirName();
 113   }
 114   pipe_name_ = socket_path.value() + pipe_suffix;
 115 }
 116
 117 MockLaunchd::~MockLaunchd() {
 118 }
 119
 120 CFDictionaryRef MockLaunchd::CopyExports() {
 121   if (!create_socket_) {
 122     ADD_FAILURE();
 123     return NULL;
 124   }
 125
 126   CFStringRef env_var =
 127       base::mac::NSToCFCast(GetServiceProcessLaunchDSocketEnvVar());
 128   base::ScopedCFTypeRef<CFStringRef> socket_path(CFStringCreateWithCString(
 129       kCFAllocatorDefault, pipe_name_.c_str(), kCFStringEncodingUTF8));
 130   const void *keys[] = { env_var };
 131   const void *values[] = { socket_path };
 132   COMPILE_ASSERT(arraysize(keys) == arraysize(values), array_sizes_must_match);
 133   return CFDictionaryCreate(kCFAllocatorDefault,
 134                             keys,
 135                             values,
 136                             arraysize(keys),
 137                             &kCFTypeDictionaryKeyCallBacks,
 138                             &kCFTypeDictionaryValueCallBacks);
 139 }
 140
 141 CFDictionaryRef MockLaunchd::CopyJobDictionary(CFStringRef label) {
 142   if (!as_service_) {
 143     scoped_ptr<MultiProcessLock> running_lock(
 144         TakeNamedLock(pipe_name_, false));
 145     if (running_lock.get())
 146       return NULL;
 147   }
 148
 149   CFStringRef program = CFSTR(LAUNCH_JOBKEY_PROGRAM);
 150   CFStringRef program_pid = CFSTR(LAUNCH_JOBKEY_PID);
 151   const void *keys[] = { program, program_pid };
 152   base::ScopedCFTypeRef<CFStringRef> path(
 153       base::SysUTF8ToCFStringRef(file_.value()));
 154   int process_id = base::GetCurrentProcId();
 155   base::ScopedCFTypeRef<CFNumberRef> pid(
 156       CFNumberCreate(NULL, kCFNumberIntType, &process_id));
 157   const void *values[] = { path, pid };
 158   COMPILE_ASSERT(arraysize(keys) == arraysize(values), array_sizes_must_match);
 159   return CFDictionaryCreate(kCFAllocatorDefault,
 160                             keys,
 161                             values,
 162                             arraysize(keys),
 163                             &kCFTypeDictionaryKeyCallBacks,
 164                             &kCFTypeDictionaryValueCallBacks);
 165 }
 166
 167 CFDictionaryRef MockLaunchd::CopyDictionaryByCheckingIn(CFErrorRef* error) {
 168   checkin_called_ = true;
 169   CFStringRef program = CFSTR(LAUNCH_JOBKEY_PROGRAM);
 170   CFStringRef program_args = CFSTR(LAUNCH_JOBKEY_PROGRAMARGUMENTS);
 171   base::ScopedCFTypeRef<CFStringRef> path(
 172       base::SysUTF8ToCFStringRef(file_.value()));
 173   const void *array_values[] = { path.get() };
 174   base::ScopedCFTypeRef<CFArrayRef> args(CFArrayCreate(
 175       kCFAllocatorDefault, array_values, 1, &kCFTypeArrayCallBacks));
 176
 177   if (!create_socket_) {
 178     const void *keys[] = { program, program_args };
 179     const void *values[] = { path, args };
 180     COMPILE_ASSERT(arraysize(keys) == arraysize(values),
 181                    array_sizes_must_match);
 182     return CFDictionaryCreate(kCFAllocatorDefault,
 183                               keys,
 184                               values,
 185                               arraysize(keys),
 186                               &kCFTypeDictionaryKeyCallBacks,
 187                               &kCFTypeDictionaryValueCallBacks);
 188   }
 189
 190   CFStringRef socket_key = CFSTR(LAUNCH_JOBKEY_SOCKETS);
 191   int local_pipe = -1;
 192   EXPECT_TRUE(as_service_);
 193
 194   // Create unix_addr structure.
 195   struct sockaddr_un unix_addr = {0};
 196   unix_addr.sun_family = AF_UNIX;
 197   size_t path_len =
 198       base::strlcpy(unix_addr.sun_path, pipe_name_.c_str(), kMaxPipeNameLength);
 199   DCHECK_EQ(pipe_name_.length(), path_len);
 200   unix_addr.sun_len = SUN_LEN(&unix_addr);
 201
 202   CFSocketSignature signature;
 203   signature.protocolFamily = PF_UNIX;
 204   signature.socketType = SOCK_STREAM;
 205   signature.protocol = 0;
 206   size_t unix_addr_len = offsetof(struct sockaddr_un,
 207                                   sun_path) + path_len + 1;
 208   base::ScopedCFTypeRef<CFDataRef> address(
 209       CFDataCreate(NULL, reinterpret_cast<UInt8*>(&unix_addr), unix_addr_len));
 210   signature.address = address;
 211
 212   CFSocketRef socket =
 213       CFSocketCreateWithSocketSignature(NULL, &signature, 0, NULL, NULL);
 214
 215   local_pipe = CFSocketGetNative(socket);
 216   EXPECT_NE(-1, local_pipe);
 217   if (local_pipe == -1) {
 218     if (error) {
 219       *error = CFErrorCreate(kCFAllocatorDefault, kCFErrorDomainPOSIX,
 220                              errno, NULL);
 221     }
 222     return NULL;
 223   }
 224
 225   base::ScopedCFTypeRef<CFNumberRef> socket_fd(
 226       CFNumberCreate(NULL, kCFNumberIntType, &local_pipe));
 227   const void *socket_array_values[] = { socket_fd };
 228   base::ScopedCFTypeRef<CFArrayRef> sockets(CFArrayCreate(
 229       kCFAllocatorDefault, socket_array_values, 1, &kCFTypeArrayCallBacks));
 230   CFStringRef socket_dict_key = CFSTR("ServiceProcessSocket");
 231   const void *socket_keys[] = { socket_dict_key };
 232   const void *socket_values[] = { sockets };
 233   COMPILE_ASSERT(arraysize(socket_keys) == arraysize(socket_values),
 234                  socket_array_sizes_must_match);
 235   base::ScopedCFTypeRef<CFDictionaryRef> socket_dict(
 236       CFDictionaryCreate(kCFAllocatorDefault,
 237                          socket_keys,
 238                          socket_values,
 239                          arraysize(socket_keys),
 240                          &kCFTypeDictionaryKeyCallBacks,
 241                          &kCFTypeDictionaryValueCallBacks));
 242   const void *keys[] = { program, program_args, socket_key };
 243   const void *values[] = { path, args, socket_dict };
 244   COMPILE_ASSERT(arraysize(keys) == arraysize(values), array_sizes_must_match);
 245   return CFDictionaryCreate(kCFAllocatorDefault,
 246                             keys,
 247                             values,
 248                             arraysize(keys),
 249                             &kCFTypeDictionaryKeyCallBacks,
 250                             &kCFTypeDictionaryValueCallBacks);
 251 }
 252
 253 bool MockLaunchd::RemoveJob(CFStringRef label, CFErrorRef* error) {
 254   remove_called_ = true;
 255   message_loop_->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
 256   return true;
 257 }
 258
 259 bool MockLaunchd::RestartJob(Domain domain,
 260                              Type type,
 261                              CFStringRef name,
 262                              CFStringRef session_type) {
 263   restart_called_ = true;
 264   message_loop_->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
 265   return true;
 266 }
 267
 268 CFMutableDictionaryRef MockLaunchd::CreatePlistFromFile(
 269     Domain domain,
 270     Type type,
 271     CFStringRef name)  {
 272   base::ScopedCFTypeRef<CFDictionaryRef> dict(CopyDictionaryByCheckingIn(NULL));
 273   return CFDictionaryCreateMutableCopy(kCFAllocatorDefault, 0, dict);
 274 }
 275
 276 bool MockLaunchd::WritePlistToFile(Domain domain,
 277                                    Type type,
 278                                    CFStringRef name,
 279                                    CFDictionaryRef dict) {
 280   write_called_ = true;
 281   return true;
 282 }
 283
 284 bool MockLaunchd::DeletePlist(Domain domain,
 285                               Type type,
 286                               CFStringRef name) {
 287   delete_called_ = true;
 288   return true;
 289 }
 290
 291 void MockLaunchd::SignalReady() {
 292   ASSERT_TRUE(as_service_);
 293   running_lock_.reset(TakeNamedLock(pipe_name_, true));
 294 }