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  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * Modification History
  28  *
  29  * October 31, 2000             Allan Nathanson <ajn@apple.com>
  30  * - initial revision
  31  */
  32
  33
  34 #include <sys/types.h>
  35 #include <sys/param.h>
  36 #include <sys/stat.h>
  37 #include <mach-o/dyld.h>
  38
  39 #include "dy_framework.h"
  40
  41
  42 static void *
  43 __loadIOKit(void) {
  44         static const void *image = NULL;
  45         if (NULL == image) {
  46                 const char      *framework              = "/System/Library/Frameworks/IOKit.framework/IOKit";
  47                 struct stat     statbuf;
  48                 const char      *suffix                 = getenv("DYLD_IMAGE_SUFFIX");
  49                 char            path[MAXPATHLEN];
  50
  51                 strcpy(path, framework);
  52                 if (suffix) strcat(path, suffix);
  53                 if (0 <= stat(path, &statbuf)) {
  54                         image = NSAddImage(path, NSADDIMAGE_OPTION_NONE);
  55                 } else {
  56                         image = NSAddImage(framework, NSADDIMAGE_OPTION_NONE);
  57                 }
  58         }
  59         return (void *)image;
  60 }
  61
  62
  63 __private_extern__ CFMutableDictionaryRef
  64 _IOBSDNameMatching(mach_port_t masterPort, unsigned int options, const char *bsdName)
  65 {
  66         static CFMutableDictionaryRef (*dyfunc)(mach_port_t, unsigned int, const char *) = NULL;
  67         if (!dyfunc) {
  68                 void *image = __loadIOKit();
  69                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOBSDNameMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  70         }
  71         return dyfunc ? dyfunc(masterPort, options, bsdName) : NULL;
  72 }
  73
  74
  75 __private_extern__ io_object_t
  76 _IOIteratorNext(io_iterator_t iterator)
  77 {
  78         static io_object_t (*dyfunc)(io_iterator_t) = 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         static kern_return_t (*dyfunc)(mach_port_t, mach_port_t *) = NULL;
  91         if (!dyfunc) {
  92                 void *image = __loadIOKit();
  93                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOMasterPort", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
  94         }
  95         return dyfunc ? dyfunc(bootstrapPort, masterPort) : KERN_FAILURE;
  96 }
  97
  98
  99 __private_extern__ kern_return_t
 100 _IOObjectRelease(io_object_t object)
 101 {
 102         static kern_return_t (*dyfunc)(io_object_t) = NULL;
 103         if (!dyfunc) {
 104                 void *image = __loadIOKit();
 105                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOObjectRelease", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 106         }
 107         return dyfunc ? dyfunc(object) : KERN_FAILURE;
 108 }
 109
 110
 111 __private_extern__ CFTypeRef
 112 _IORegistryEntryCreateCFProperty(io_registry_entry_t entry, CFStringRef key, CFAllocatorRef allocator, IOOptionBits options)
 113 {
 114         static CFTypeRef (*dyfunc)(io_registry_entry_t, CFStringRef, CFAllocatorRef, IOOptionBits) = NULL;
 115         if (!dyfunc) {
 116                 void *image = __loadIOKit();
 117                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperty", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 118         }
 119         return dyfunc ? dyfunc(entry, key, allocator, options) : NULL;
 120 }
 121
 122
 123 __private_extern__ kern_return_t
 124 _IORegistryEntryCreateCFProperties(io_registry_entry_t entry, CFMutableDictionaryRef *properties, CFAllocatorRef allocator, IOOptionBits options)
 125 {
 126         static kern_return_t (*dyfunc)(io_registry_entry_t, CFMutableDictionaryRef *, CFAllocatorRef, IOOptionBits) = NULL;
 127         if (!dyfunc) {
 128                 void *image = __loadIOKit();
 129                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperties", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 130         }
 131         return dyfunc ? dyfunc(entry, properties, allocator, options) : KERN_FAILURE;
 132 }
 133
 134
 135 __private_extern__ kern_return_t
 136 _IORegistryEntryGetParentEntry(io_registry_entry_t entry, const io_name_t plane, io_registry_entry_t *parent)
 137 {
 138         static kern_return_t (*dyfunc)(io_registry_entry_t, const io_name_t, io_registry_entry_t *) = NULL;
 139         if (!dyfunc) {
 140                 void *image = __loadIOKit();
 141                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetParentEntry", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 142         }
 143         return dyfunc ? dyfunc(entry, plane, parent) : NULL;
 144 }
 145
 146
 147 __private_extern__ kern_return_t
 148 _IORegistryEntryGetPath(io_registry_entry_t entry, const io_name_t plane, io_string_t path)
 149 {
 150         static kern_return_t (*dyfunc)(io_registry_entry_t, const io_name_t, io_string_t) = NULL;
 151         if (!dyfunc) {
 152                 void *image = __loadIOKit();
 153                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetPath", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 154         }
 155         return dyfunc ? dyfunc(entry, plane, path) : KERN_FAILURE;
 156 }
 157
 158
 159 __private_extern__ kern_return_t
 160 _IOServiceGetMatchingServices(mach_port_t masterPort, CFDictionaryRef matching, io_iterator_t *existing)
 161 {
 162         static kern_return_t (*dyfunc)(mach_port_t, CFDictionaryRef, io_iterator_t *) = NULL;
 163         if (!dyfunc) {
 164                 void *image = __loadIOKit();
 165                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceGetMatchingServices", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 166         }
 167         return dyfunc ? dyfunc(masterPort, matching, existing) : KERN_FAILURE;
 168 }
 169
 170
 171 __private_extern__ CFMutableDictionaryRef
 172 _IOServiceMatching(const char *name)
 173 {
 174         static CFMutableDictionaryRef (*dyfunc)(const char *) = NULL;
 175         if (!dyfunc) {
 176                 void *image = __loadIOKit();
 177                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 178         }
 179         return dyfunc ? dyfunc(name) : NULL;
 180 }
 181
 182 static void *
 183 __loadSecurity(void) {
 184         static const void *image = NULL;
 185         if (NULL == image) {
 186                 const char      *framework              = "/System/Library/Frameworks/Security.framework/Security";
 187                 struct stat     statbuf;
 188                 const char      *suffix                 = getenv("DYLD_IMAGE_SUFFIX");
 189                 char            path[MAXPATHLEN];
 190
 191                 strcpy(path, framework);
 192                 if (suffix) strcat(path, suffix);
 193                 if (0 <= stat(path, &statbuf)) {
 194                         image = NSAddImage(path, NSADDIMAGE_OPTION_NONE);
 195                 } else {
 196                         image = NSAddImage(framework, NSADDIMAGE_OPTION_NONE);
 197                 }
 198         }
 199         return (void *)image;
 200 }
 201
 202
 203 __private_extern__ OSStatus
 204 _SecKeychainItemCopyContent(SecKeychainItemRef itemRef, SecItemClass *itemClass, SecKeychainAttributeList *attrList, UInt32 *length, void **outData)
 205 {
 206         static OSStatus (*dyfunc)(SecKeychainItemRef, SecItemClass *, SecKeychainAttributeList *, UInt32 *, void **) = NULL;
 207         if (!dyfunc) {
 208                 void *image = __loadSecurity();
 209                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainItemCopyContent", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 210         }
 211         return dyfunc ? dyfunc(itemRef, itemClass, attrList, length, outData) : -1;
 212 }
 213
 214 __private_extern__ OSStatus
 215 _SecKeychainSearchCopyNext(SecKeychainSearchRef searchRef, SecKeychainItemRef *itemRef)
 216 {
 217         static OSStatus (*dyfunc)(SecKeychainSearchRef, SecKeychainItemRef *) = NULL;
 218         if (!dyfunc) {
 219                 void *image = __loadSecurity();
 220                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainSearchCopyNext", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 221         }
 222         return dyfunc ? dyfunc(searchRef, itemRef) : -1;
 223 }
 224
 225 __private_extern__ OSStatus
 226 _SecKeychainSearchCreateFromAttributes(CFTypeRef keychainOrArray, SecItemClass itemClass, const SecKeychainAttributeList *attrList, SecKeychainSearchRef *searchRef)
 227 {
 228         static OSStatus (*dyfunc)(CFTypeRef, SecItemClass, const SecKeychainAttributeList *, SecKeychainSearchRef *) = NULL;
 229         if (!dyfunc) {
 230                 void *image = __loadSecurity();
 231                 if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_SecKeychainSearchCreateFromAttributes", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
 232         }
 233         return dyfunc ? dyfunc(keychainOrArray, itemClass, attrList, searchRef) : -1;
 234 }