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      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.
      4 
      5 #include "webkit/glue/user_agent.h"
      6 
      7 #if defined(OS_POSIX) && !defined(OS_MACOSX)
      8 #include <sys/utsname.h>
      9 #endif
     10 
     11 #include "base/string_util.h"
     12 #include "base/stringprintf.h"
     13 #include "base/sys_info.h"
     14 
     15 #if defined(OS_WIN)
     16 #include "base/win/windows_version.h"
     17 #endif
     18 
     19 // Generated
     20 #include "webkit_version.h"  // NOLINT
     21 
     22 namespace webkit_glue {
     23 
     24 // Forward declare GetProductVersionInfo.  This is implemented in
     25 // renderer_glue.cc as part of the renderer lib.
     26 std::string GetProductVersion();
     27 
     28 std::string GetWebKitVersion() {
     29   return base::StringPrintf("%d.%d (%s)",
     30                             WEBKIT_VERSION_MAJOR,
     31                             WEBKIT_VERSION_MINOR,
     32                             WEBKIT_SVN_REVISION);
     33 }
     34 
     35 std::string GetWebKitRevision() {
     36   return WEBKIT_SVN_REVISION;
     37 }
     38 
     39 std::string BuildOSCpuInfo() {
     40   std::string os_cpu;
     41 
     42 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
     43   int32 os_major_version = 0;
     44   int32 os_minor_version = 0;
     45   int32 os_bugfix_version = 0;
     46   base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
     47                                                &os_minor_version,
     48                                                &os_bugfix_version);
     49 #endif
     50 #if defined(OS_POSIX) && !defined(OS_MACOSX)
     51   // Should work on any Posix system.
     52   struct utsname unixinfo;
     53   uname(&unixinfo);
     54 
     55   std::string cputype;
     56   // special case for biarch systems
     57   if (strcmp(unixinfo.machine, "x86_64") == 0 &&
     58       sizeof(void*) == sizeof(int32)) {  // NOLINT
     59     cputype.assign("i686 (x86_64)");
     60   } else {
     61     cputype.assign(unixinfo.machine);
     62   }
     63 #endif
     64 
     65 #if defined(OS_WIN)
     66   std::string architecture_token;
     67   base::win::OSInfo* os_info = base::win::OSInfo::GetInstance();
     68   if (os_info->wow64_status() == base::win::OSInfo::WOW64_ENABLED) {
     69     architecture_token = "; WOW64";
     70   } else {
     71     base::win::OSInfo::WindowsArchitecture windows_architecture =
     72         os_info->architecture();
     73     if (windows_architecture == base::win::OSInfo::X64_ARCHITECTURE)
     74       architecture_token = "; Win64; x64";
     75     else if (windows_architecture == base::win::OSInfo::IA64_ARCHITECTURE)
     76       architecture_token = "; Win64; IA64";
     77   }
     78 #endif
     79 
     80   base::StringAppendF(
     81       &os_cpu,
     82 #if defined(OS_WIN)
     83       "Windows NT %d.%d%s",
     84       os_major_version,
     85       os_minor_version,
     86       architecture_token.c_str()
     87 #elif defined(OS_MACOSX)
     88       "Intel Mac OS X %d_%d_%d",
     89       os_major_version,
     90       os_minor_version,
     91       os_bugfix_version
     92 #elif defined(OS_CHROMEOS)
     93       "CrOS "
     94 #if defined(TOUCH_UI)
     95       "Touch "
     96 #endif
     97       "%s %d.%d.%d",
     98       cputype.c_str(),   // e.g. i686
     99       os_major_version,
    100       os_minor_version,
    101       os_bugfix_version
    102 #else
    103       "%s %s",
    104       unixinfo.sysname,  // e.g. Linux
    105       cputype.c_str()    // e.g. i686
    106 #endif
    107   );  // NOLINT
    108 
    109   return os_cpu;
    110 }
    111 
    112 void BuildUserAgent(bool mimic_windows, std::string* result) {
    113   const char kUserAgentPlatform[] =
    114 #if defined(OS_WIN)
    115       "";
    116 #elif defined(OS_MACOSX)
    117       "Macintosh; ";
    118 #elif defined(USE_X11)
    119       "X11; ";           // strange, but that's what Firefox uses
    120 #else
    121       "Unknown; ";
    122 #endif
    123 
    124   // Get the product name and version, and replace Safari's Version/X string
    125   // with it.  This is done to expose our product name in a manner that is
    126   // maximally compatible with Safari, we hope!!
    127   std::string product = GetProductVersion();
    128 
    129   // Derived from Safari's UA string.
    130   base::StringAppendF(
    131       result,
    132       "Mozilla/5.0 (%s%s) AppleWebKit/%d.%d"
    133       " (KHTML, like Gecko) %s Safari/%d.%d",
    134       mimic_windows ? "Windows " : kUserAgentPlatform,
    135       BuildOSCpuInfo().c_str(),
    136       WEBKIT_VERSION_MAJOR,
    137       WEBKIT_VERSION_MINOR,
    138       product.c_str(),
    139       WEBKIT_VERSION_MAJOR,
    140       WEBKIT_VERSION_MINOR);
    141 }
    142 
    143 }  // namespace webkit_glue
    144 
    145