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         static CFMutableDictionaryRef (*dyfunc)(mach_port_t, unsigned int, const char *) = NULL;
  65         if (!dyfunc) {
  66                 void *image = __loadIOKit();
  67                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOBSDNameMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  68         }
  69         return dyfunc ? dyfunc(masterPort, options, bsdName) : NULL;
  70 }
  71
  72
  73 __private_extern__ io_object_t
  74 _IOIteratorNext(io_iterator_t iterator)
  75 {
  76         static io_object_t (*dyfunc)(io_iterator_t) = NULL;
  77         if (!dyfunc) {
  78                 void *image = __loadIOKit();
  79                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOIteratorNext", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  80         }
  81         return dyfunc ? dyfunc(iterator) : 0;
  82 }
  83
  84
  85 __private_extern__ kern_return_t
  86 _IOMasterPort(mach_port_t bootstrapPort, mach_port_t *masterPort)
  87 {
  88         static kern_return_t (*dyfunc)(mach_port_t, mach_port_t *) = NULL;
  89         if (!dyfunc) {
  90                 void *image = __loadIOKit();
  91                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOMasterPort", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  92         }
  93         return dyfunc ? dyfunc(bootstrapPort, masterPort) : KERN_FAILURE;
  94 }
  95
  96
  97 __private_extern__ kern_return_t
  98 _IOObjectRelease(io_object_t object)
  99 {
 100         static kern_return_t (*dyfunc)(io_object_t) = NULL;
 101         if (!dyfunc) {
 102                 void *image = __loadIOKit();
 103                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOObjectRelease", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 104         }
 105         return dyfunc ? dyfunc(object) : KERN_FAILURE;
 106 }
 107
 108
 109 __private_extern__ CFTypeRef
 110 _IORegistryEntryCreateCFProperty(io_registry_entry_t entry, CFStringRef key, CFAllocatorRef allocator, IOOptionBits options)
 111 {
 112         static CFTypeRef (*dyfunc)(io_registry_entry_t, CFStringRef, CFAllocatorRef, IOOptionBits) = NULL;
 113         if (!dyfunc) {
 114                 void *image = __loadIOKit();
 115                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperty", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 116         }
 117         return dyfunc ? dyfunc(entry, key, allocator, options) : NULL;
 118 }
 119
 120
 121 __private_extern__ kern_return_t
 122 _IORegistryEntryCreateCFProperties(io_registry_entry_t entry, CFMutableDictionaryRef *properties, CFAllocatorRef allocator, IOOptionBits options)
 123 {
 124         static kern_return_t (*dyfunc)(io_registry_entry_t, CFMutableDictionaryRef *, CFAllocatorRef, IOOptionBits) = NULL;
 125         if (!dyfunc) {
 126                 void *image = __loadIOKit();
 127                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperties", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 128         }
 129         return dyfunc ? dyfunc(entry, properties, allocator, options) : KERN_FAILURE;
 130 }
 131
 132
 133 __private_extern__ kern_return_t
 134 _IORegistryEntryGetParentEntry(io_registry_entry_t entry, const io_name_t plane, io_registry_entry_t *parent)
 135 {
 136         static kern_return_t (*dyfunc)(io_registry_entry_t, const io_name_t, io_registry_entry_t *) = NULL;
 137         if (!dyfunc) {
 138                 void *image = __loadIOKit();
 139                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetParentEntry", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 140         }
 141         return dyfunc ? dyfunc(entry, plane, parent) : NULL;
 142 }
 143
 144
 145 __private_extern__ kern_return_t
 146 _IORegistryEntryGetPath(io_registry_entry_t entry, const io_name_t plane, io_string_t path)
 147 {
 148         static kern_return_t (*dyfunc)(io_registry_entry_t, const io_name_t, io_string_t) = NULL;
 149         if (!dyfunc) {
 150                 void *image = __loadIOKit();
 151                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetPath", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 152         }
 153         return dyfunc ? dyfunc(entry, plane, path) : KERN_FAILURE;
 154 }
 155
 156
 157 __private_extern__ kern_return_t
 158 _IOServiceGetMatchingServices(mach_port_t masterPort, CFDictionaryRef matching, io_iterator_t *existing)
 159 {
 160         static kern_return_t (*dyfunc)(mach_port_t, CFDictionaryRef, io_iterator_t *) = NULL;
 161         if (!dyfunc) {
 162                 void *image = __loadIOKit();
 163                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceGetMatchingServices", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 164         }
 165         return dyfunc ? dyfunc(masterPort, matching, existing) : KERN_FAILURE;
 166 }
 167
 168
 169 __private_extern__ CFMutableDictionaryRef
 170 _IOServiceMatching(const char *name)
 171 {
 172         static CFMutableDictionaryRef (*dyfunc)(const char *) = NULL;
 173         if (!dyfunc) {
 174                 void *image = __loadIOKit();
 175                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 176         }
 177         return dyfunc ? dyfunc(name) : NULL;
 178 }
 179
 180 static void *
 181 __loadSecurity(void) {
 182         static const void *image = NULL;
 183         if (NULL == image) {
 184                 const char      *framework              = "/System/Library/Frameworks/Security.framework/Security";
 185                 struct stat     statbuf;
 186                 const char      *suffix                 = getenv("DYLD_IMAGE_SUFFIX");
 187                 char            path[MAXPATHLEN];
 188
 189                 strcpy(path, framework);
 190                 if (suffix) strcat(path, suffix);
 191                 if (0 <= stat(path, &statbuf)) {
 192                         image = NSAddImage(path, NSADDIMAGE_OPTION_NONE);
 193                 } else {
 194                         image = NSAddImage(framework, NSADDIMAGE_OPTION_NONE);
 195                 }
 196         }
 197         return (void *)image;
 198 }
 199
 200
 201 __private_extern__ OSStatus
 202 _SecKeychainItemCopyContent(SecKeychainItemRef itemRef, SecItemClass *itemClass, SecKeychainAttributeList *attrList, UInt32 *length, void **outData)
 203 {
 204         static OSStatus (*dyfunc)(SecKeychainItemRef, SecItemClass *, SecKeychainAttributeList *, UInt32 *, void **) = NULL;
 205         if (!dyfunc) {
 206                 void *image = __loadSecurity();
 207                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainItemCopyContent", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 208         }
 209         return dyfunc ? dyfunc(itemRef, itemClass, attrList, length, outData) : -1;
 210 }
 211
 212 __private_extern__ OSStatus
 213 _SecKeychainSearchCopyNext(SecKeychainSearchRef searchRef, SecKeychainItemRef *itemRef)
 214 {
 215         static OSStatus (*dyfunc)(SecKeychainSearchRef, SecKeychainItemRef *) = NULL;
 216         if (!dyfunc) {
 217                 void *image = __loadSecurity();
 218                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainSearchCopyNext", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 219         }
 220         return dyfunc ? dyfunc(searchRef, itemRef) : -1;
 221 }
 222
 223 __private_extern__ OSStatus
 224 _SecKeychainSearchCreateFromAttributes(CFTypeRef keychainOrArray, SecItemClass itemClass, const SecKeychainAttributeList *attrList, SecKeychainSearchRef *searchRef)
 225 {
 226         static OSStatus (*dyfunc)(CFTypeRef, SecItemClass, const SecKeychainAttributeList *, SecKeychainSearchRef *) = NULL;
 227         if (!dyfunc) {
 228                 void *image = __loadSecurity();
 229                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainSearchCreateFromAttributes", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 230         }
 231         return dyfunc ? dyfunc(keychainOrArray, itemClass, attrList, searchRef) : -1;
 232 }