SystemConfiguration.fproj/dy_framework.c

   1 /*
   2  * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25  * Modification History
  26  *
  27  * October 31, 2000             Allan Nathanson <ajn@apple.com>
  28  * - initial revision
  29  */
  30
  31
  32 #include <sys/types.h>
  33 #include <sys/param.h>
  34 #include <sys/stat.h>
  35 #include <mach-o/dyld.h>
  36
  37 #include "dy_framework.h"
  38
  39
  40 static void *
  41 __loadIOKit(void) {
  42         static const void *image = NULL;
  43         if (NULL == image) {
  44                 const char      *framework              = "/System/Library/Frameworks/IOKit.framework/IOKit";
  45                 struct stat     statbuf;
  46                 const char      *suffix                 = getenv("DYLD_IMAGE_SUFFIX");
  47                 char            path[MAXPATHLEN];
  48
  49                 strcpy(path, framework);
  50                 if (suffix) strcat(path, suffix);
  51                 if (0 <= stat(path, &statbuf)) {
  52                         image = NSAddImage(path, NSADDIMAGE_OPTION_NONE);
  53                 } else {
  54                         image = NSAddImage(framework, NSADDIMAGE_OPTION_NONE);
  55                 }
  56         }
  57         return (void *)image;
  58 }
  59
  60
  61 __private_extern__ CFMutableDictionaryRef
  62 _IOBSDNameMatching(mach_port_t masterPort, unsigned int options, const char *bsdName)
  63 {
  64         #undef IOBSDNameMatching
  65         static typeof (IOBSDNameMatching) *dyfunc = NULL;
  66         if (!dyfunc) {
  67                 void *image = __loadIOKit();
  68                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOBSDNameMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  69         }
  70         return dyfunc ? dyfunc(masterPort, options, bsdName) : NULL;
  71 }
  72
  73
  74 __private_extern__ io_object_t
  75 _IOIteratorNext(io_iterator_t iterator)
  76 {
  77         #undef IOIteratorNext
  78         static typeof (IOIteratorNext) *dyfunc = NULL;
  79         if (!dyfunc) {
  80                 void *image = __loadIOKit();
  81                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOIteratorNext", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  82         }
  83         return dyfunc ? dyfunc(iterator) : 0;
  84 }
  85
  86
  87 __private_extern__ kern_return_t
  88 _IOMasterPort(mach_port_t bootstrapPort, mach_port_t *masterPort)
  89 {
  90         #undef IOMasterPort
  91         static typeof (IOMasterPort) *dyfunc = NULL;
  92         if (!dyfunc) {
  93                 void *image = __loadIOKit();
  94                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOMasterPort", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  95         }
  96         return dyfunc ? dyfunc(bootstrapPort, masterPort) : KERN_FAILURE;
  97 }
  98
  99
 100 __private_extern__ boolean_t
 101 _IOObjectConformsTo(io_object_t object, const io_name_t className)
 102 {
 103         #undef IOObjectConformsTo
 104         static typeof (IOObjectConformsTo) *dyfunc = NULL;
 105         if (!dyfunc) {
 106                 void *image = __loadIOKit();
 107                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOObjectConformsTo", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 108         }
 109         return dyfunc ? dyfunc(object, className) : FALSE;
 110 }
 111
 112
 113 __private_extern__ boolean_t
 114 _IOObjectGetClass(io_object_t object, io_name_t className)
 115 {
 116         #undef IOObjectGetClass
 117         static typeof (IOObjectGetClass) *dyfunc = NULL;
 118         if (!dyfunc) {
 119                 void *image = __loadIOKit();
 120                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOObjectGetClass", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 121         }
 122         return dyfunc ? dyfunc(object, className) : FALSE;
 123 }
 124
 125
 126 __private_extern__ kern_return_t
 127 _IOObjectRelease(io_object_t object)
 128 {
 129         #undef IOObjectRelease
 130         static typeof (IOObjectRelease) *dyfunc = NULL;
 131         if (!dyfunc) {
 132                 void *image = __loadIOKit();
 133                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOObjectRelease", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 134         }
 135         return dyfunc ? dyfunc(object) : KERN_FAILURE;
 136 }
 137
 138
 139 __private_extern__ CFTypeRef
 140 _IORegistryEntryCreateCFProperty(io_registry_entry_t entry, CFStringRef key, CFAllocatorRef allocator, IOOptionBits options)
 141 {
 142         #undef IORegistryEntryCreateCFProperty
 143         static typeof (IORegistryEntryCreateCFProperty) *dyfunc = NULL;
 144         if (!dyfunc) {
 145                 void *image = __loadIOKit();
 146                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperty", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 147         }
 148         return dyfunc ? dyfunc(entry, key, allocator, options) : NULL;
 149 }
 150
 151
 152 __private_extern__ kern_return_t
 153 _IORegistryEntryCreateCFProperties(io_registry_entry_t entry, CFMutableDictionaryRef *properties, CFAllocatorRef allocator, IOOptionBits options)
 154 {
 155         #undef IORegistryEntryCreateCFProperties
 156         static typeof (IORegistryEntryCreateCFProperties) *dyfunc = NULL;
 157         if (!dyfunc) {
 158                 void *image = __loadIOKit();
 159                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperties", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 160         }
 161         return dyfunc ? dyfunc(entry, properties, allocator, options) : KERN_FAILURE;
 162 }
 163
 164
 165 __private_extern__ kern_return_t
 166 _IORegistryEntryCreateIterator(mach_port_t masterPort, const io_name_t plane, IOOptionBits options, io_iterator_t *iterator)
 167 {
 168         #undef IORegistryEntryCreateIterator
 169         static typeof (IORegistryEntryCreateIterator) *dyfunc = NULL;
 170         if (!dyfunc) {
 171                 void *image = __loadIOKit();
 172                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateIterator", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 173         }
 174         return dyfunc ? dyfunc(masterPort, plane, options, iterator) : KERN_FAILURE;
 175 }
 176
 177
 178 __private_extern__ kern_return_t
 179 _IORegistryEntryGetName(io_registry_entry_t entry, io_name_t name)
 180 {
 181         #undef IORegistryEntryGetName
 182         static typeof (IORegistryEntryGetName) *dyfunc = NULL;
 183         if (!dyfunc) {
 184                 void *image = __loadIOKit();
 185                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetName", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 186         }
 187         return dyfunc ? dyfunc(entry, name) : KERN_FAILURE;
 188 }
 189
 190
 191 __private_extern__ kern_return_t
 192 _IORegistryEntryGetParentEntry(io_registry_entry_t entry, const io_name_t plane, io_registry_entry_t *parent)
 193 {
 194         #undef IORegistryEntryGetParentEntry
 195         static typeof (IORegistryEntryGetParentEntry) *dyfunc = NULL;
 196         if (!dyfunc) {
 197                 void *image = __loadIOKit();
 198                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetParentEntry", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 199         }
 200         return dyfunc ? dyfunc(entry, plane, parent) : KERN_FAILURE;
 201 }
 202
 203
 204 __private_extern__ kern_return_t
 205 _IORegistryEntryGetPath(io_registry_entry_t entry, const io_name_t plane, io_string_t path)
 206 {
 207         #undef IORegistryEntryGetPath
 208         static typeof (IORegistryEntryGetPath) *dyfunc = NULL;
 209         if (!dyfunc) {
 210                 void *image = __loadIOKit();
 211                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetPath", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 212         }
 213         return dyfunc ? dyfunc(entry, plane, path) : KERN_FAILURE;
 214 }
 215
 216
 217 __private_extern__ CFTypeRef
 218 _IORegistryEntrySearchCFProperty(io_registry_entry_t entry, const io_name_t plane, CFStringRef key, CFAllocatorRef allocator, IOOptionBits options)
 219 {
 220         #undef IORegistryEntrySearchCFProperty
 221         static typeof (IORegistryEntrySearchCFProperty) *dyfunc = NULL;
 222         if (!dyfunc) {
 223                 void *image = __loadIOKit();
 224                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntrySearchCFProperty", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 225         }
 226         return dyfunc ? dyfunc(entry, plane, key, allocator, options) : NULL;
 227 }
 228
 229
 230 __private_extern__ kern_return_t
 231 _IOServiceGetMatchingServices(mach_port_t masterPort, CFDictionaryRef matching, io_iterator_t *existing)
 232 {
 233         #undef IOServiceGetMatchingServices
 234         static typeof (IOServiceGetMatchingServices) *dyfunc = NULL;
 235         if (!dyfunc) {
 236                 void *image = __loadIOKit();
 237                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceGetMatchingServices", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 238         }
 239         return dyfunc ? dyfunc(masterPort, matching, existing) : KERN_FAILURE;
 240 }
 241
 242
 243 __private_extern__ CFMutableDictionaryRef
 244 _IOServiceMatching(const char *name)
 245 {
 246         #undef IOServiceMatching
 247         static typeof (IOServiceMatching) *dyfunc = NULL;
 248         if (!dyfunc) {
 249                 void *image = __loadIOKit();
 250                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 251         }
 252         return dyfunc ? dyfunc(name) : NULL;
 253 }
 254
 255 static void *
 256 __loadSecurity(void) {
 257         static const void *image = NULL;
 258         if (NULL == image) {
 259                 const char      *framework              = "/System/Library/Frameworks/Security.framework/Security";
 260                 struct stat     statbuf;
 261                 const char      *suffix                 = getenv("DYLD_IMAGE_SUFFIX");
 262                 char            path[MAXPATHLEN];
 263
 264                 strcpy(path, framework);
 265                 if (suffix) strcat(path, suffix);
 266                 if (0 <= stat(path, &statbuf)) {
 267                         image = NSAddImage(path, NSADDIMAGE_OPTION_NONE);
 268                 } else {
 269                         image = NSAddImage(framework, NSADDIMAGE_OPTION_NONE);
 270                 }
 271         }
 272         return (void *)image;
 273 }
 274
 275
 276 __private_extern__ OSStatus
 277 _SecKeychainItemCopyContent(SecKeychainItemRef itemRef, SecItemClass *itemClass, SecKeychainAttributeList *attrList, UInt32 *length, void **outData)
 278 {
 279         #undef SecKeychainItemCopyContent
 280         static typeof (SecKeychainItemCopyContent) *dyfunc = NULL;
 281         if (!dyfunc) {
 282                 void *image = __loadSecurity();
 283                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainItemCopyContent", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 284         }
 285         return dyfunc ? dyfunc(itemRef, itemClass, attrList, length, outData) : -1;
 286 }
 287
 288 __private_extern__ OSStatus
 289 _SecKeychainSearchCopyNext(SecKeychainSearchRef searchRef, SecKeychainItemRef *itemRef)
 290 {
 291         #undef SecKeychainSearchCopyNext
 292         static typeof (SecKeychainSearchCopyNext) *dyfunc = NULL;
 293         if (!dyfunc) {
 294                 void *image = __loadSecurity();
 295                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainSearchCopyNext", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 296         }
 297         return dyfunc ? dyfunc(searchRef, itemRef) : -1;
 298 }
 299
 300 __private_extern__ OSStatus
 301 _SecKeychainSearchCreateFromAttributes(CFTypeRef keychainOrArray, SecItemClass itemClass, const SecKeychainAttributeList *attrList, SecKeychainSearchRef *searchRef)
 302 {
 303         #undef SecKeychainSearchCreateFromAttributes
 304         static typeof (SecKeychainSearchCreateFromAttributes) *dyfunc = NULL;
 305         if (!dyfunc) {
 306                 void *image = __loadSecurity();
 307                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainSearchCreateFromAttributes", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 308         }
 309         return dyfunc ? dyfunc(keychainOrArray, itemClass, attrList, searchRef) : -1;
 310 }