gssc.mm

   1 /* UIKit Tools - command-line utilities for UIKit
   2  * Copyright (C) 2008-2012  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #import <UIKit/UIKit.h>
  41 #include <stdio.h>
  42 #include <dlfcn.h>
  43 #include <objc/runtime.h>
  44
  45 static CFArrayRef (*$GSSystemCopyCapability)(CFStringRef);
  46 static CFArrayRef (*$GSSystemGetCapability)(CFStringRef);
  47
  48 void OnGSCapabilityChanged(
  49     CFNotificationCenterRef center,
  50     void *observer,
  51     CFStringRef name,
  52     const void *object,
  53     CFDictionaryRef info
  54 ) {
  55     CFRunLoopStop(CFRunLoopGetCurrent());
  56 }
  57
  58 int main(int argc, char *argv[]) {
  59     dlopen("/System/Library/Frameworks/Foundation.framework/Foundation", RTLD_GLOBAL | RTLD_LAZY);
  60     dlopen("/System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices", RTLD_GLOBAL | RTLD_LAZY);
  61
  62     NSAutoreleasePool *pool = [[objc_getClass("NSAutoreleasePool") alloc] init];
  63
  64     NSString *name = nil;
  65
  66     if (argc == 2)
  67         name = [objc_getClass("NSString") stringWithUTF8String:argv[0]];
  68     else if (argc > 2) {
  69         fprintf(stderr, "usage: %s [capability]\n", argv[0]);
  70         exit(1);
  71     }
  72
  73     $GSSystemCopyCapability = reinterpret_cast<CFArrayRef (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, "GSSystemCopyCapability"));
  74     $GSSystemGetCapability = reinterpret_cast<CFArrayRef (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, "GSSystemGetCapability"));
  75
  76     CFNotificationCenterAddObserver(
  77         CFNotificationCenterGetDarwinNotifyCenter(),
  78         NULL,
  79         &OnGSCapabilityChanged,
  80         CFSTR("GSCapabilitiesChanged"),
  81         NULL,
  82         0
  83     );
  84
  85     for (;;) {
  86         const NSDictionary *capability;
  87
  88         if ($GSSystemCopyCapability != NULL) {
  89             capability = reinterpret_cast<const NSDictionary *>((*$GSSystemCopyCapability)(reinterpret_cast<CFStringRef>(name)));
  90             if (capability != nil)
  91                 capability = [capability autorelease];
  92         } else if ($GSSystemGetCapability != NULL) {
  93             capability = reinterpret_cast<const NSDictionary *>((*$GSSystemGetCapability)(reinterpret_cast<CFStringRef>(name)));
  94         } else {
  95             capability = nil;
  96
  97             if (void *libMobileGestalt = dlopen("/usr/lib/libMobileGestalt.dylib", RTLD_GLOBAL | RTLD_LAZY))
  98                 if (CFTypeRef (*$MGCopyAnswer)(CFStringRef) = reinterpret_cast<CFTypeRef (*)(CFStringRef)>(dlsym(libMobileGestalt, "MGCopyAnswer"))) {
  99                     NSMutableDictionary *answers([NSMutableDictionary dictionary]);
 100                     for (NSString *name in [NSArray arrayWithObjects:
 101                         @"ActiveWirelessTechnology",
 102                         //@"AirplaneMode",
 103                         @"AllDeviceCapabilities",
 104                         @"AllowYouTube",
 105                         @"AllowYouTubePlugin",
 106                         //@"ApNonce",
 107                         //@"AppleInternalInstallCapability",
 108                         @"assistant",
 109                         //@"BasebandBoardSnum",
 110                         //@"BasebandCertId",
 111                         //@"BasebandChipId",
 112                         //@"BasebandFirmwareManifestData",
 113                         @"BasebandFirmwareVersion",
 114                         //@"BasebandKeyHashInformation",
 115                         //@"BasebandRegionSKU",
 116                         //@"BasebandSerialNumber",
 117                         @"BatteryCurrentCapacity",
 118                         @"BatteryIsCharging",
 119                         @"BatteryIsFullyCharged",
 120                         //@"BluetoothAddress",
 121                         @"BoardId",
 122                         @"BuildVersion",
 123                         @"CPUArchitecture",
 124                         //@"CarrierBundleInfoArray",
 125                         @"CarrierInstallCapability",
 126                         @"cellular-data",
 127                         @"ChipID",
 128                         //@"CompassCalibration",
 129                         //@"CompassCalibrationDictionary",
 130                         //@"ComputerName",
 131                         @"contains-cellular-radio",
 132                         @"DeviceClass",
 133                         @"DeviceClassNumber",
 134                         @"DeviceColor",
 135                         @"DeviceEnclosureColor",
 136                         //@"DeviceName",
 137                         @"DeviceSupports1080p",
 138                         @"DeviceSupports3DImagery",
 139                         @"DeviceSupports3DMaps",
 140                         @"DeviceSupports4G",
 141                         @"DeviceSupports720p",
 142                         @"DeviceSupports9Pin",
 143                         @"DeviceSupportsFaceTime",
 144                         @"DeviceSupportsLineIn",
 145                         @"DeviceSupportsNavigation",
 146                         @"DeviceSupportsSimplisticRoadMesh",
 147                         @"DeviceSupportsTethering",
 148                         @"DeviceVariant",
 149                         //@"DiagData",
 150                         @"dictation",
 151                         //@"DieId",
 152                         //@"DiskUsage",
 153                         @"encrypted-data-partition",
 154                         //@"EthernetMacAddress",
 155                         @"ExternalChargeCapability",
 156                         @"ExternalPowerSourceConnected",
 157                         //@"FaceTimeBitRate2G",
 158                         //@"FaceTimeBitRate3G",
 159                         //@"FaceTimeBitRateLTE",
 160                         //@"FaceTimeBitRateWiFi",
 161                         //@"FaceTimeDecodings",
 162                         //@"FaceTimeEncodings",
 163                         //@"FaceTimePreferredDecoding",
 164                         //@"FaceTimePreferredEncoding",
 165                         //@"FirmwareNonce",
 166                         //@"FirmwarePreflightInfo",
 167                         @"FirmwareVersion",
 168                         @"ForwardCameraCapability",
 169                         @"gps",
 170                         @"green-tea",
 171                         @"HWModelStr",
 172                         @"HardwarePlatform",
 173                         //@"HasAllFeaturesCapability",
 174                         @"HasBaseband",
 175                         @"HasInternalSettingsBundle",
 176                         @"HasSpringBoard",
 177                         //@"IntegratedCircuitCardIdentifier",
 178                         //@"InternalBuild",
 179                         //@"InternationalMobileEquipmentIdentity",
 180                         //@"InverseDeviceID",
 181                         //@"IsSimulator",
 182                         //@"IsThereEnoughBatteryLevelForSoftwareUpdate",
 183                         //@"IsUIBuild",
 184                         //@"MLBSerialNumber",
 185                         @"main-screen-class",
 186                         @"main-screen-height",
 187                         @"main-screen-orientation",
 188                         @"main-screen-pitch",
 189                         @"main-screen-scale",
 190                         @"main-screen-width",
 191                         @"MinimumSupportediTunesVersion",
 192                         //@"MobileEquipmentIdentifier",
 193                         //@"MobileSubscriberCountryCode",
 194                         //@"MobileSubscriberNetworkCode",
 195                         @"wi-fi",
 196                         @"ModelNumber",
 197                         @"not-green-tea",
 198                         @"PanoramaCameraCapability",
 199                         @"PartitionType",
 200                         @"ProductName",
 201                         @"ProductType",
 202                         @"ProductVersion",
 203                         //@"ProximitySensorCalibration",
 204                         @"RearCameraCapability",
 205                         @"RegionCode",
 206                         @"RegionInfo",
 207                         //@"RegionalBehaviorAll",
 208                         @"RegionalBehaviorChinaBrick",
 209                         @"RegionalBehaviorEUVolumeLimit",
 210                         @"RegionalBehaviorGB18030",
 211                         @"RegionalBehaviorGoogleMail",
 212                         @"RegionalBehaviorNTSC",
 213                         @"RegionalBehaviorNoPasscodeLocationTiles",
 214                         @"RegionalBehaviorNoVOIP",
 215                         @"RegionalBehaviorNoWiFi",
 216                         @"RegionalBehaviorShutterClick",
 217                         @"RegionalBehaviorVolumeLimit",
 218                         @"RegulatoryIdentifiers",
 219                         //@"ReleaseType",
 220                         @"RequiredBatteryLevelForSoftwareUpdate",
 221                         @"SBAllowSensitiveUI",
 222                         @"SBCanForceDebuggingInfo",
 223                         @"SDIOManufacturerTuple",
 224                         @"SDIOProductInfo",
 225                         //@"SIMTrayStatus",
 226                         //@"ScreenDimensions",
 227                         //@"screen-dimensions",
 228                         //@"SerialNumber",
 229                         @"ShouldHactivate",
 230                         @"SigningFuse",
 231                         //@"SoftwareBehavior",
 232                         //@"SoftwareBundleVersion",
 233                         @"SupportedDeviceFamilies",
 234                         //@"SupportedKeyboards",
 235                         //@"SysCfg",
 236                         //@"UniqueChipID",
 237                         //@"UniqueDeviceID",
 238                         //@"UniqueDeviceIDData",
 239                         //@"UserAssignedDeviceName",
 240                         //@"WifiAddress",
 241                         //@"WifiAddressData",
 242                         //@"WifiVendor",
 243                         //@"WirelessBoardSnum",
 244                         @"iTunesFamilyID",
 245
 246                         @"720p",
 247                         @"1080p",
 248                         @"accelerometer",
 249                         @"accessibility",
 250                         @"additional-text-tones",
 251                         @"all-features",
 252                         @"any-telephony",
 253                         @"app-store",
 254                         @"application-installation",
 255                         @"armv6",
 256                         @"armv7",
 257                         @"assistant",
 258                         @"auto-focus-camera",
 259                         @"bluetooth",
 260                         @"bluetooth-le",
 261                         @"camera-flash",
 262                         @"cellular-data",
 263                         @"contains-cellular-radio",
 264                         @"dictation",
 265                         @"display-mirroring",
 266                         @"displayport",
 267                         @"encode-aac",
 268                         @"encrypted-data-partition",
 269                         @"fcc-logos-via-software",
 270                         @"front-facing-camera",
 271                         @"gamekit",
 272                         @"gas-gauge-battery",
 273                         @"gps",
 274                         @"gyroscope",
 275                         @"h264-encoder",
 276                         @"hardware-keyboard",
 277                         @"hd-video-capture",
 278                         @"hdr-image-capture",
 279                         @"hiccough-interval",
 280                         @"hidpi",
 281                         @"homescreen-wallpaper",
 282                         @"hw-encode-snapshots",
 283                         @"international-settings",
 284                         @"io-surface-backed-images",
 285                         @"load-thumbnails-while-scrolling",
 286                         @"location-services",
 287                         @"magnetometer",
 288                         @"microphone",
 289                         @"mms",
 290                         @"multitasking",
 291                         @"music-store",
 292                         @"nike-ipod",
 293                         @"not-green-tea",
 294                         @"opengles-1",
 295                         @"opengles-2",
 296                         @"peer-peer",
 297                         @"photo-adjustments",
 298                         @"photo-stream",
 299                         @"proximity-sensor",
 300                         @"ptp-large-files",
 301                         @"ringer-switch",
 302                         @"sms",
 303                         @"stand-alone-contacts",
 304                         @"still-camera",
 305                         @"telephony",
 306                         @"telephony-maximum-generation",
 307                         @"tv-out-crossfade",
 308                         @"tv-out-settings",
 309                         @"unified-ipod",
 310                         @"venice",
 311                         @"video-camera",
 312                         @"voice-control",
 313                         @"voip",
 314                         @"volume-buttons",
 315                         @"wifi",
 316                         @"youtube",
 317                         @"youtube-plugin",
 318                         @"ipad",
 319                         @"wildcat",
 320                     nil])
 321                         if (CFTypeRef answer = $MGCopyAnswer(reinterpret_cast<CFStringRef>(name))) {
 322                             [answers setObject:(id)answer forKey:name];
 323                             CFRelease(answer);
 324                         }
 325                     capability = answers;
 326                 }
 327         }
 328
 329         if (capability != nil) {
 330             printf("%s\n", capability == nil ? "(null)" : [[capability description] UTF8String]);
 331             break;
 332         }
 333
 334         CFRunLoopRun();
 335     }
 336
 337     [pool release];
 338
 339     return 0;
 340 }