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 <GraphicsServices/GraphicsServices.h>
  41 #import <UIKit/UIKit.h>
  42 #include <stdio.h>
  43 #include <dlfcn.h>
  44 #include <objc/runtime.h>
  45
  46 static CFArrayRef (*$GSSystemCopyCapability)(CFStringRef);
  47 static CFArrayRef (*$GSSystemGetCapability)(CFStringRef);
  48
  49 void OnGSCapabilityChanged(
  50     CFNotificationCenterRef center,
  51     void *observer,
  52     CFStringRef name,
  53     const void *object,
  54     CFDictionaryRef info
  55 ) {
  56     CFRunLoopStop(CFRunLoopGetCurrent());
  57 }
  58
  59 int main(int argc, char *argv[]) {
  60     dlopen("/System/Library/Frameworks/Foundation.framework/Foundation", RTLD_GLOBAL | RTLD_LAZY);
  61     dlopen("/System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices", RTLD_GLOBAL | RTLD_LAZY);
  62
  63     NSAutoreleasePool *pool = [[objc_getClass("NSAutoreleasePool") alloc] init];
  64
  65     NSString *name = nil;
  66
  67     if (argc == 2)
  68         name = [objc_getClass("NSString") stringWithUTF8String:argv[0]];
  69     else if (argc > 2) {
  70         fprintf(stderr, "usage: %s [capability]\n", argv[0]);
  71         exit(1);
  72     }
  73
  74     $GSSystemCopyCapability = reinterpret_cast<CFArrayRef (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, "GSSystemCopyCapability"));
  75     $GSSystemGetCapability = reinterpret_cast<CFArrayRef (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, "GSSystemGetCapability"));
  76
  77     CFNotificationCenterAddObserver(
  78         CFNotificationCenterGetDarwinNotifyCenter(),
  79         NULL,
  80         &OnGSCapabilityChanged,
  81         CFSTR("GSCapabilitiesChanged"),
  82         NULL,
  83         NULL
  84     );
  85
  86     for (;;) {
  87         const NSDictionary *capability;
  88
  89         if ($GSSystemCopyCapability != NULL) {
  90             capability = reinterpret_cast<const NSDictionary *>((*$GSSystemCopyCapability)(reinterpret_cast<CFStringRef>(name)));
  91             if (capability != nil)
  92                 capability = [capability autorelease];
  93         } else if ($GSSystemGetCapability != NULL) {
  94             capability = reinterpret_cast<const NSDictionary *>((*$GSSystemGetCapability)(reinterpret_cast<CFStringRef>(name)));
  95         } else {
  96             if (void *libMobileGestalt = dlopen("/usr/lib/libMobileGestalt.dylib", RTLD_GLOBAL | RTLD_LAZY))
  97                 if (CFTypeRef (*$MGCopyAnswer)(CFStringRef) = reinterpret_cast<CFTypeRef (*)(CFStringRef)>(dlsym(libMobileGestalt, "MGCopyAnswer"))) {
  98                     NSMutableDictionary *answers([NSMutableDictionary dictionary]);
  99                     for (NSString *name in [NSArray arrayWithObjects:
 100                         @"ActiveWirelessTechnology",
 101                         //@"AirplaneMode",
 102                         @"AllDeviceCapabilities",
 103                         @"AllowYouTube",
 104                         @"AllowYouTubePlugin",
 105                         //@"ApNonce",
 106                         //@"AppleInternalInstallCapability",
 107                         @"assistant",
 108                         //@"BasebandBoardSnum",
 109                         //@"BasebandCertId",
 110                         //@"BasebandChipId",
 111                         //@"BasebandFirmwareManifestData",
 112                         @"BasebandFirmwareVersion",
 113                         //@"BasebandKeyHashInformation",
 114                         //@"BasebandRegionSKU",
 115                         //@"BasebandSerialNumber",
 116                         @"BatteryCurrentCapacity",
 117                         @"BatteryIsCharging",
 118                         @"BatteryIsFullyCharged",
 119                         //@"BluetoothAddress",
 120                         @"BoardId",
 121                         @"BuildVersion",
 122                         @"CPUArchitecture",
 123                         //@"CarrierBundleInfoArray",
 124                         @"CarrierInstallCapability",
 125                         @"cellular-data",
 126                         @"ChipID",
 127                         //@"CompassCalibration",
 128                         //@"CompassCalibrationDictionary",
 129                         //@"ComputerName",
 130                         @"contains-cellular-radio",
 131                         @"DeviceClass",
 132                         @"DeviceClassNumber",
 133                         @"DeviceColor",
 134                         @"DeviceEnclosureColor",
 135                         //@"DeviceName",
 136                         @"DeviceSupports1080p",
 137                         @"DeviceSupports3DImagery",
 138                         @"DeviceSupports3DMaps",
 139                         @"DeviceSupports4G",
 140                         @"DeviceSupports720p",
 141                         @"DeviceSupports9Pin",
 142                         @"DeviceSupportsFaceTime",
 143                         @"DeviceSupportsLineIn",
 144                         @"DeviceSupportsNavigation",
 145                         @"DeviceSupportsSimplisticRoadMesh",
 146                         @"DeviceSupportsTethering",
 147                         @"DeviceVariant",
 148                         //@"DiagData",
 149                         @"dictation",
 150                         //@"DieId",
 151                         //@"DiskUsage",
 152                         @"encrypted-data-partition",
 153                         //@"EthernetMacAddress",
 154                         @"ExternalChargeCapability",
 155                         @"ExternalPowerSourceConnected",
 156                         //@"FaceTimeBitRate2G",
 157                         //@"FaceTimeBitRate3G",
 158                         //@"FaceTimeBitRateLTE",
 159                         //@"FaceTimeBitRateWiFi",
 160                         //@"FaceTimeDecodings",
 161                         //@"FaceTimeEncodings",
 162                         //@"FaceTimePreferredDecoding",
 163                         //@"FaceTimePreferredEncoding",
 164                         //@"FirmwareNonce",
 165                         //@"FirmwarePreflightInfo",
 166                         @"FirmwareVersion",
 167                         @"ForwardCameraCapability",
 168                         @"gps",
 169                         @"green-tea",
 170                         @"HWModelStr",
 171                         @"HardwarePlatform",
 172                         //@"HasAllFeaturesCapability",
 173                         @"HasBaseband",
 174                         @"HasInternalSettingsBundle",
 175                         @"HasSpringBoard",
 176                         //@"IntegratedCircuitCardIdentifier",
 177                         //@"InternalBuild",
 178                         //@"InternationalMobileEquipmentIdentity",
 179                         //@"InverseDeviceID",
 180                         //@"IsSimulator",
 181                         //@"IsThereEnoughBatteryLevelForSoftwareUpdate",
 182                         //@"IsUIBuild",
 183                         //@"MLBSerialNumber",
 184                         @"main-screen-class",
 185                         @"main-screen-height",
 186                         @"main-screen-orientation",
 187                         @"main-screen-pitch",
 188                         @"main-screen-scale",
 189                         @"main-screen-width",
 190                         @"MinimumSupportediTunesVersion",
 191                         //@"MobileEquipmentIdentifier",
 192                         //@"MobileSubscriberCountryCode",
 193                         //@"MobileSubscriberNetworkCode",
 194                         @"wi-fi",
 195                         @"ModelNumber",
 196                         @"not-green-tea",
 197                         @"PanoramaCameraCapability",
 198                         @"PartitionType",
 199                         @"ProductName",
 200                         @"ProductType",
 201                         @"ProductVersion",
 202                         //@"ProximitySensorCalibration",
 203                         @"RearCameraCapability",
 204                         @"RegionCode",
 205                         @"RegionInfo",
 206                         //@"RegionalBehaviorAll",
 207                         @"RegionalBehaviorChinaBrick",
 208                         @"RegionalBehaviorEUVolumeLimit",
 209                         @"RegionalBehaviorGB18030",
 210                         @"RegionalBehaviorGoogleMail",
 211                         @"RegionalBehaviorNTSC",
 212                         @"RegionalBehaviorNoPasscodeLocationTiles",
 213                         @"RegionalBehaviorNoVOIP",
 214                         @"RegionalBehaviorNoWiFi",
 215                         @"RegionalBehaviorShutterClick",
 216                         @"RegionalBehaviorVolumeLimit",
 217                         @"RegulatoryIdentifiers",
 218                         //@"ReleaseType",
 219                         @"RequiredBatteryLevelForSoftwareUpdate",
 220                         @"SBAllowSensitiveUI",
 221                         @"SBCanForceDebuggingInfo",
 222                         @"SDIOManufacturerTuple",
 223                         @"SDIOProductInfo",
 224                         //@"SIMTrayStatus",
 225                         //@"ScreenDimensions",
 226                         //@"screen-dimensions",
 227                         //@"SerialNumber",
 228                         @"ShouldHactivate",
 229                         @"SigningFuse",
 230                         //@"SoftwareBehavior",
 231                         //@"SoftwareBundleVersion",
 232                         @"SupportedDeviceFamilies",
 233                         //@"SupportedKeyboards",
 234                         //@"SysCfg",
 235                         //@"UniqueChipID",
 236                         //@"UniqueDeviceID",
 237                         //@"UniqueDeviceIDData",
 238                         //@"UserAssignedDeviceName",
 239                         //@"WifiAddress",
 240                         //@"WifiAddressData",
 241                         //@"WifiVendor",
 242                         //@"WirelessBoardSnum",
 243                         @"iTunesFamilyID",
 244
 245                         @"720p",
 246                         @"1080p",
 247                         @"accelerometer",
 248                         @"accessibility",
 249                         @"additional-text-tones",
 250                         @"all-features",
 251                         @"any-telephony",
 252                         @"app-store",
 253                         @"application-installation",
 254                         @"armv6",
 255                         @"armv7",
 256                         @"assistant",
 257                         @"auto-focus-camera",
 258                         @"bluetooth",
 259                         @"bluetooth-le",
 260                         @"camera-flash",
 261                         @"cellular-data",
 262                         @"contains-cellular-radio",
 263                         @"dictation",
 264                         @"display-mirroring",
 265                         @"displayport",
 266                         @"encode-aac",
 267                         @"encrypted-data-partition",
 268                         @"fcc-logos-via-software",
 269                         @"front-facing-camera",
 270                         @"gamekit",
 271                         @"gas-gauge-battery",
 272                         @"gps",
 273                         @"gyroscope",
 274                         @"h264-encoder",
 275                         @"hardware-keyboard",
 276                         @"hd-video-capture",
 277                         @"hdr-image-capture",
 278                         @"hiccough-interval",
 279                         @"hidpi",
 280                         @"homescreen-wallpaper",
 281                         @"hw-encode-snapshots",
 282                         @"international-settings",
 283                         @"io-surface-backed-images",
 284                         @"load-thumbnails-while-scrolling",
 285                         @"location-services",
 286                         @"magnetometer",
 287                         @"microphone",
 288                         @"mms",
 289                         @"multitasking",
 290                         @"music-store",
 291                         @"nike-ipod",
 292                         @"not-green-tea",
 293                         @"opengles-1",
 294                         @"opengles-2",
 295                         @"peer-peer",
 296                         @"photo-adjustments",
 297                         @"photo-stream",
 298                         @"proximity-sensor",
 299                         @"ptp-large-files",
 300                         @"ringer-switch",
 301                         @"sms",
 302                         @"stand-alone-contacts",
 303                         @"still-camera",
 304                         @"telephony",
 305                         @"telephony-maximum-generation",
 306                         @"tv-out-crossfade",
 307                         @"tv-out-settings",
 308                         @"unified-ipod",
 309                         @"venice",
 310                         @"video-camera",
 311                         @"voice-control",
 312                         @"voip",
 313                         @"volume-buttons",
 314                         @"wifi",
 315                         @"youtube",
 316                         @"youtube-plugin",
 317                         @"ipad",
 318                         @"wildcat",
 319                     nil])
 320                         if (CFTypeRef answer = $MGCopyAnswer(reinterpret_cast<CFStringRef>(name))) {
 321                             [answers setObject:(id)answer forKey:name];
 322                             CFRelease(answer);
 323                         }
 324                     capability = answers;
 325                 }
 326         }
 327
 328         if (capability != nil) {
 329             printf("%s\n", capability == nil ? "(null)" : [[capability description] UTF8String]);
 330             break;
 331         }
 332
 333         CFRunLoopRun();
 334     }
 335
 336     [pool release];
 337
 338     return 0;
 339 }