1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
8 | * Original Code as defined in and that are subject to the Apple Public␊ |
9 | * Source License Version 2.0 (the 'License'). You may not use this file␊ |
10 | * except in compliance with the License. Please obtain a copy of the␊ |
11 | * License at http://www.apple.com/publicsource and read it before using␊ |
12 | * this file.␊ |
13 | * ␊ |
14 | * The Original Code and all software distributed under the License are␊ |
15 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
19 | * License for the specific language governing rights and limitations␊ |
20 | * under the License.␊ |
21 | * ␊ |
22 | * @APPLE_LICENSE_HEADER_END@␊ |
23 | */␊ |
24 | /*␊ |
25 | * drivers.c - Driver Loading Functions.␊ |
26 | *␊ |
27 | * Copyright (c) 2000 Apple Computer, Inc.␊ |
28 | *␊ |
29 | * DRI: Josh de Cesare␊ |
30 | */␊ |
31 | ␊ |
32 | #include <mach-o/fat.h>␊ |
33 | #include <libkern/OSByteOrder.h>␊ |
34 | #include <mach/machine.h>␊ |
35 | ␊ |
36 | #include "sl.h"␊ |
37 | #include "boot.h"␊ |
38 | #include "bootstruct.h"␊ |
39 | #include "xml.h"␊ |
40 | #include "drivers.h"␊ |
41 | #include "modules.h"␊ |
42 | ␊ |
43 | extern char gMacOSVersion[];␊ |
44 | extern char gBootKernelCacheFile[];␊ |
45 | ␊ |
46 | static ModulePtr gModuleHead, gModuleTail;␊ |
47 | static TagPtr gPersonalityHead, gPersonalityTail;␊ |
48 | char * gExtensionsSpec;␊ |
49 | char * gDriverSpec;␊ |
50 | char * gFileSpec;␊ |
51 | char * gTempSpec;␊ |
52 | char * gFileName;␊ |
53 | ␊ |
54 | long InitDriverSupport(void);␊ |
55 | long FileLoadDrivers(char *dirSpec, long plugin);␊ |
56 | long LoadDriverMKext(char *fileSpec);␊ |
57 | long LoadDriverPList(char *dirSpec, char *name, long bundleType);␊ |
58 | long LoadMatchedModules(void);␊ |
59 | long MatchLibraries(void);␊ |
60 | #if UNUSED␊ |
61 | long MatchPersonalities(void);␊ |
62 | #endif␊ |
63 | #ifdef NBP_SUPPORT␊ |
64 | long NetLoadDrivers(char *dirSpec);␊ |
65 | #endif␊ |
66 | ␊ |
67 | static long FileLoadMKext( const char * dirSpec, const char * extDirSpec );␊ |
68 | static long ParseXML(char *buffer, ModulePtr *module, TagPtr *personalities);␊ |
69 | #if UNUSED␊ |
70 | static ModulePtr FindModule( char * name );␊ |
71 | #endif␊ |
72 | ␊ |
73 | //==========================================================================␊ |
74 | // InitDriverSupport␊ |
75 | ␊ |
76 | long␊ |
77 | InitDriverSupport( void )␊ |
78 | {␊ |
79 | gExtensionsSpec = malloc( 4096 );␊ |
80 | gDriverSpec = malloc( 4096 );␊ |
81 | gFileSpec = malloc( 4096 );␊ |
82 | gTempSpec = malloc( 4096 );␊ |
83 | gFileName = malloc( 4096 );␊ |
84 | ␉␊ |
85 | if ( !gExtensionsSpec || !gDriverSpec || !gFileSpec || !gTempSpec || !gFileName )␊ |
86 | stop("InitDriverSupport error");␊ |
87 | ␉␊ |
88 | return 0;␊ |
89 | }␊ |
90 | ␊ |
91 | //==========================================================================␊ |
92 | // LoadDrivers␊ |
93 | ␊ |
94 | long LoadDrivers( char * dirSpec )␊ |
95 | {␉␊ |
96 | char dirSpecExtra[1024];␊ |
97 | ␉␊ |
98 | if ( InitDriverSupport() != 0 )␊ |
99 | return 0;␊ |
100 | ␉␊ |
101 | ␉␊ |
102 | ␊ |
103 | // Load extra drivers if a hook has been installed.␊ |
104 | ␊ |
105 | ␉int step = 0;␊ |
106 | ␉execute_hook("ramDiskLoadDrivers", &step, NULL, NULL, NULL, NULL, NULL);␊ |
107 | #ifdef NBP_SUPPORT␉␊ |
108 | if ( gBootFileType == kNetworkDeviceType )␊ |
109 | {␊ |
110 | if (NetLoadDrivers(dirSpec) != 0) {␊ |
111 | error("Could not load drivers from the network\n");␊ |
112 | return -1;␊ |
113 | }␊ |
114 | }␊ |
115 | else␊ |
116 | #endif␊ |
117 | ␉␉if ( gBootFileType == kBlockDeviceType )␊ |
118 | ␉␉{␊ |
119 | ␉␉␉// First try to load Extra extensions from the ramdisk if isn't aliased as bt(0,0).␊ |
120 | #ifndef OPTION_ROM␊ |
121 | ␉␉␉// First try a specfic OS version folder ie 10.5␊ |
122 | ␉␉␉␊ |
123 | ␉␉␉step = 1;␊ |
124 | ␉␉␉execute_hook("ramDiskLoadDrivers", &step, NULL, NULL, NULL, NULL, NULL);␊ |
125 | ␊ |
126 | #endif␊ |
127 | ␉␉␉␊ |
128 | ␉␉␉// First try a specfic OS version folder ie 10.5␊ |
129 | ␉␉␉sprintf(dirSpecExtra, "/Extra/%s/", &gMacOSVersion);␊ |
130 | ␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
131 | ␉␉␉{␉␊ |
132 | ␉␉␉␉// Next try to load Extra extensions from the selected root partition.␊ |
133 | ␉␉␉␉strcpy(dirSpecExtra, "/Extra/");␊ |
134 | ␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
135 | ␉␉␉␉{␊ |
136 | ␉␉␉␉␉// If failed, then try to load Extra extensions from the boot partition␊ |
137 | ␉␉␉␉␉// in case we have a separate booter partition or a bt(0,0) aliased ramdisk.␊ |
138 | ␉␉␉␉␉if (!(gBIOSBootVolume->biosdev == gBootVolume->biosdev && gBIOSBootVolume->part_no == gBootVolume->part_no))␊ |
139 | ␉␉␉␉␉{␊ |
140 | ␉␉␉␉␉␉// First try a specfic OS version folder ie 10.5␊ |
141 | ␉␉␉␉␉␉sprintf(dirSpecExtra, "bt(0,0)/Extra/%s/", &gMacOSVersion);␊ |
142 | ␉␉␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
143 | ␉␉␉␉␉␉{␉␊ |
144 | ␉␉␉␉␉␉␉// Next we'll try the base␊ |
145 | ␉␉␉␉␉␉␉strcpy(dirSpecExtra, "bt(0,0)/Extra/");␊ |
146 | ␉␉␉␉␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
147 | ␉␉␉␉␉␉}␊ |
148 | ␉␉␉␉␉}␊ |
149 | #ifndef OPTION_ROM␊ |
150 | ␉␉␉␉␉step = 2;␊ |
151 | ␉␉␉␉␉execute_hook("ramDiskLoadDrivers", &step, NULL, NULL, NULL, NULL, NULL);␊ |
152 | #endif␊ |
153 | ␉␉␉␉}␊ |
154 | ␉␉␉␉␊ |
155 | ␉␉␉}␉␊ |
156 | #ifdef BOOT_HELPER_SUPPORT␊ |
157 | ␉␉␉// TODO: fix this, the order does matter, and it's not correct now.␊ |
158 | ␉␉␉// Also try to load Extensions from boot helper partitions.␊ |
159 | ␉␉␉if (gBootVolume->flags & kBVFlagBooter)␊ |
160 | ␉␉␉{␊ |
161 | ␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.P/System/Library/");␊ |
162 | ␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
163 | ␉␉␉␉{␊ |
164 | ␉␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.R/System/Library/");␊ |
165 | ␉␉␉␉␉if (FileLoadDrivers(dirSpecExtra, 0) != 0)␊ |
166 | ␉␉␉␉␉{␊ |
167 | ␉␉␉␉␉␉strcpy(dirSpecExtra, "/com.apple.boot.S/System/Library/");␊ |
168 | ␉␉␉␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊ |
169 | ␉␉␉␉␉}␊ |
170 | ␉␉␉␉}␊ |
171 | ␉␉␉}␊ |
172 | #endif␊ |
173 | ␉␉␉␊ |
174 | ␉␉␉if (gMKextName[0] != '\0')␊ |
175 | ␉␉␉{␊ |
176 | ␉␉␉␉verbose("LoadDrivers: Loading from [%s]\n", gMKextName);␊ |
177 | ␉␉␉␉if ( LoadDriverMKext(gMKextName) != 0 )␊ |
178 | ␉␉␉␉{␊ |
179 | ␉␉␉␉␉error("Could not load %s\n", gMKextName);␊ |
180 | ␉␉␉␉␉return -1;␊ |
181 | ␉␉␉␉}␊ |
182 | ␉␉␉}␊ |
183 | ␉␉␉else␊ |
184 | ␉␉␉{␊ |
185 | ␉␉␉␉strcpy(gExtensionsSpec, dirSpec);␊ |
186 | ␉␉␉␉strcat(gExtensionsSpec, "System/Library/");␊ |
187 | ␉␉␉␉FileLoadDrivers(gExtensionsSpec, 0);␊ |
188 | ␉␉␉}␊ |
189 | ␉␉}␊ |
190 | ␉␉else␊ |
191 | ␉␉{␊ |
192 | ␉␉␉return 0;␊ |
193 | ␉␉}␊ |
194 | #if UNUSED␊ |
195 | MatchPersonalities();␊ |
196 | #endif␊ |
197 | ␉␊ |
198 | MatchLibraries();␊ |
199 | ␉␊ |
200 | LoadMatchedModules();␊ |
201 | ␉␊ |
202 | return 0;␊ |
203 | }␊ |
204 | ␊ |
205 | //==========================================================================␊ |
206 | // FileLoadMKext␊ |
207 | ␊ |
208 | static long␊ |
209 | FileLoadMKext( const char * dirSpec, const char * extDirSpec )␊ |
210 | {␊ |
211 | ␉long ret, flags, time, time2;␊ |
212 | ␉char altDirSpec[512];␊ |
213 | ␉␊ |
214 | ␉sprintf (altDirSpec, "%s%s", dirSpec, extDirSpec);␊ |
215 | ␉ret = GetFileInfo(altDirSpec, "Extensions.mkext", &flags, &time);␊ |
216 | ␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeFlat))␊ |
217 | ␉{␊ |
218 | ␉␉ret = GetFileInfo(dirSpec, "Extensions", &flags, &time2);␊ |
219 | ␉␉if ((ret != 0) || ((flags & kFileTypeMask) != kFileTypeDirectory) ||␊ |
220 | ␉␉␉(((gBootMode & kBootModeSafe) == 0) && (time == (time2 + 1))))␊ |
221 | ␉␉{␊ |
222 | ␉␉␉sprintf(gDriverSpec, "%sExtensions.mkext", altDirSpec);␊ |
223 | ␉␉␉verbose("LoadDrivers: Loading from [%s]\n", gDriverSpec);␊ |
224 | ␉␉␉if (LoadDriverMKext(gDriverSpec) == 0) return 0;␊ |
225 | ␉␉}␊ |
226 | ␉}␊ |
227 | ␉return -1;␊ |
228 | }␊ |
229 | ␊ |
230 | //==========================================================================␊ |
231 | // FileLoadDrivers␊ |
232 | ␊ |
233 | long␊ |
234 | FileLoadDrivers( char * dirSpec, long plugin )␊ |
235 | {␊ |
236 | long ret, length, flags, time, bundleType;␊ |
237 | long long␉ index;␊ |
238 | long result = -1;␊ |
239 | const char * name;␊ |
240 | ␉␊ |
241 | if ( !plugin )␊ |
242 | {␊ |
243 | // First try 10.6's path for loading Extensions.mkext.␊ |
244 | if (FileLoadMKext(dirSpec, "Caches/com.apple.kext.caches/Startup/") == 0)␊ |
245 | ␉␉␉return 0;␊ |
246 | ␉␉␊ |
247 | // Next try the legacy path.␊ |
248 | else if (FileLoadMKext(dirSpec, "") == 0)␊ |
249 | ␉␉␉return 0;␊ |
250 | ␉␉␊ |
251 | strcat(dirSpec, "Extensions");␊ |
252 | }␊ |
253 | ␉␊ |
254 | index = 0;␊ |
255 | while (1) {␊ |
256 | ret = GetDirEntry(dirSpec, &index, &name, &flags, &time);␊ |
257 | if (ret == -1) break;␊ |
258 | ␉␉␊ |
259 | // Make sure this is a directory.␊ |
260 | if ((flags & kFileTypeMask) != kFileTypeDirectory) continue;␊ |
261 | ␊ |
262 | // Make sure this is a kext.␊ |
263 | length = strlen(name);␊ |
264 | if (strcmp(name + length - 5, ".kext")) continue;␊ |
265 | ␉␉␊ |
266 | // Save the file name.␊ |
267 | strcpy(gFileName, name);␊ |
268 | ␉␉␊ |
269 | // Determine the bundle type.␊ |
270 | sprintf(gTempSpec, "%s/%s", dirSpec, gFileName);␊ |
271 | ret = GetFileInfo(gTempSpec, "Contents", &flags, &time);␊ |
272 | if (ret == 0) bundleType = kCFBundleType2;␊ |
273 | else bundleType = kCFBundleType3;␊ |
274 | ␉␉␊ |
275 | if (!plugin)␊ |
276 | sprintf(gDriverSpec, "%s/%s/%sPlugIns", dirSpec, gFileName,␊ |
277 | (bundleType == kCFBundleType2) ? "Contents/" : "");␊ |
278 | ␉␉␊ |
279 | ret = LoadDriverPList(dirSpec, gFileName, bundleType);␊ |
280 | ␉␉␊ |
281 | if (result != 0)␊ |
282 | ␉␉␉result = ret;␊ |
283 | ␉␉␊ |
284 | if (!plugin) ␊ |
285 | ␉␉␉FileLoadDrivers(gDriverSpec, 1);␊ |
286 | }␊ |
287 | ␉␊ |
288 | return result;␊ |
289 | }␊ |
290 | ␊ |
291 | //==========================================================================␊ |
292 | // ␊ |
293 | #ifdef NBP_SUPPORT␊ |
294 | long␊ |
295 | NetLoadDrivers( char * dirSpec )␊ |
296 | {␊ |
297 | long tries;␊ |
298 | ␉␊ |
299 | #if NODEF␊ |
300 | long cnt;␊ |
301 | ␉␊ |
302 | // Get the name of the kernel␊ |
303 | cnt = strlen(gBootFile);␊ |
304 | while (cnt--) {␊ |
305 | if ((gBootFile[cnt] == '\\') || (gBootFile[cnt] == ',')) {␊ |
306 | ␉␉␉cnt++;␊ |
307 | ␉␉␉break;␊ |
308 | }␊ |
309 | }␊ |
310 | #endif␊ |
311 | ␉␊ |
312 | // INTEL modification␊ |
313 | sprintf(gDriverSpec, "%s%s.mkext", dirSpec, bootInfo->bootFile);␊ |
314 | ␊ |
315 | verbose("NetLoadDrivers: Loading from [%s]\n", gDriverSpec);␊ |
316 | ␊ |
317 | tries = 3;␊ |
318 | while (tries--)␊ |
319 | {␊ |
320 | if (LoadDriverMKext(gDriverSpec) == 0) break;␊ |
321 | }␊ |
322 | if (tries == -1) return -1;␊ |
323 | ␉␊ |
324 | return 0;␊ |
325 | }␊ |
326 | #endif␊ |
327 | //==========================================================================␊ |
328 | // loadDriverMKext␊ |
329 | ␊ |
330 | long␊ |
331 | LoadDriverMKext( char * fileSpec )␊ |
332 | {␊ |
333 | unsigned long driversAddr, driversLength;␊ |
334 | long length;␊ |
335 | char segName[32];␊ |
336 | DriversPackage * package;␊ |
337 | ␉␊ |
338 | #define GetPackageElement(e) OSSwapBigToHostInt32(package->e)␊ |
339 | ␉␊ |
340 | // Load the MKext.␊ |
341 | length = LoadThinFatFile(fileSpec, (void **)&package);␊ |
342 | if (!length || (unsigned)length < sizeof (DriversPackage)) return -1;␊ |
343 | ␉␊ |
344 | ␉// call hook to notify modules that the mkext has been loaded␊ |
345 | ␉execute_hook("LoadDriverMKext", (void*)fileSpec, (void*)package, (void*) length, NULL, NULL, NULL);␊ |
346 | ␉␊ |
347 | ␉␊ |
348 | // Verify the MKext.␊ |
349 | if (( GetPackageElement(signature1) != kDriverPackageSignature1) ||␊ |
350 | ( GetPackageElement(signature2) != kDriverPackageSignature2) ||␊ |
351 | ( GetPackageElement(length) > kLoadSize ) ||␊ |
352 | ( GetPackageElement(alder32) !=␊ |
353 | ␉␉ adler32((unsigned char *)&package->version, GetPackageElement(length) - 0x10) ) )␊ |
354 | {␊ |
355 | return -1;␊ |
356 | }␊ |
357 | ␉␊ |
358 | ␉␊ |
359 | // Make space for the MKext.␊ |
360 | driversLength = GetPackageElement(length);␊ |
361 | driversAddr = AllocateKernelMemory(driversLength);␊ |
362 | ␉␊ |
363 | // Copy the MKext.␊ |
364 | memcpy((void *)driversAddr, (void *)package, driversLength);␊ |
365 | ␉␊ |
366 | // Add the MKext to the memory map.␊ |
367 | sprintf(segName, "DriversPackage-%lx", driversAddr); ␊ |
368 | ␊ |
369 | #if UNUSED␊ |
370 | AllocateMemoryRange(segName, driversAddr, driversLength,␊ |
371 | kBootDriverTypeMKEXT);␊ |
372 | #else␊ |
373 | AllocateMemoryRange(segName, driversAddr, driversLength);␊ |
374 | #endif␊ |
375 | ␉␊ |
376 | return 0;␊ |
377 | }␊ |
378 | ␊ |
379 | //==========================================================================␊ |
380 | // LoadDriverPList␊ |
381 | ␊ |
382 | long␊ |
383 | LoadDriverPList( char * dirSpec, char * name, long bundleType )␊ |
384 | {␊ |
385 | long length, executablePathLength, bundlePathLength;␊ |
386 | ModulePtr module;␊ |
387 | TagPtr personalities;␊ |
388 | char * buffer = 0;␊ |
389 | char * tmpExecutablePath = 0;␊ |
390 | char * tmpBundlePath = 0;␊ |
391 | long ret = -1;␊ |
392 | ␉␊ |
393 | do {␊ |
394 | // Save the driver path.␊ |
395 | ␊ |
396 | sprintf(gFileSpec, "%s/%s/%s", dirSpec, name,␊ |
397 | (bundleType == kCFBundleType2) ? "Contents/MacOS/" : "");␊ |
398 | executablePathLength = strlen(gFileSpec) + 1;␊ |
399 | ␉␉␊ |
400 | tmpExecutablePath = malloc(executablePathLength);␊ |
401 | if (tmpExecutablePath == 0) break;␊ |
402 | ␉␉␊ |
403 | strcpy(tmpExecutablePath, gFileSpec);␊ |
404 | ␉␉␊ |
405 | sprintf(gFileSpec, "%s/%s", dirSpec, name);␊ |
406 | bundlePathLength = strlen(gFileSpec) + 1;␊ |
407 | ␉␉␊ |
408 | tmpBundlePath = malloc(bundlePathLength);␊ |
409 | if (tmpBundlePath == 0) break;␊ |
410 | ␉␉␊ |
411 | strcpy(tmpBundlePath, gFileSpec);␊ |
412 | ␉␉␊ |
413 | // Construct the file spec to the plist, then load it.␊ |
414 | ␉␉␊ |
415 | sprintf(gFileSpec, "%s/%s/%sInfo.plist", dirSpec, name,␊ |
416 | (bundleType == kCFBundleType2) ? "Contents/" : "");␊ |
417 | ␉␉␊ |
418 | length = LoadFile(gFileSpec);␊ |
419 | if (length == -1) break;␊ |
420 | ␉␉␊ |
421 | length = length + 1;␊ |
422 | buffer = malloc(length);␊ |
423 | if (buffer == 0) break;␊ |
424 | ␉␉␊ |
425 | strlcpy(buffer, (char *)kLoadAddr, length);␊ |
426 | ␉␉␊ |
427 | // Parse the plist.␊ |
428 | ␉␉␊ |
429 | ret = ParseXML(buffer, &module, &personalities);␊ |
430 | if (ret != 0) { break; }␊ |
431 | ␉␉␊ |
432 | // Allocate memory for the driver path and the plist.␊ |
433 | ␉␉␊ |
434 | module->executablePath = tmpExecutablePath;␊ |
435 | module->bundlePath = tmpBundlePath;␊ |
436 | module->bundlePathLength = bundlePathLength;␊ |
437 | module->plistAddr = malloc(length);␊ |
438 | ␉␉␊ |
439 | if ((module->executablePath == 0) || (module->bundlePath == 0) || (module->plistAddr == 0))␊ |
440 | break;␊ |
441 | ␉␉␊ |
442 | // Save the driver path in the module.␊ |
443 | //strcpy(module->driverPath, tmpDriverPath);␊ |
444 | tmpExecutablePath = 0;␊ |
445 | tmpBundlePath = 0;␊ |
446 | ␉␉␊ |
447 | // Add the plist to the module.␊ |
448 | ␉␉␊ |
449 | strlcpy(module->plistAddr, (char *)kLoadAddr, length);␊ |
450 | module->plistLength = length;␊ |
451 | ␉␉␊ |
452 | // Add the module to the end of the module list.␊ |
453 | ␊ |
454 | if (gModuleHead == 0)␊ |
455 | gModuleHead = module;␊ |
456 | else␊ |
457 | gModuleTail->nextModule = module;␊ |
458 | gModuleTail = module;␊ |
459 | ␉␉␊ |
460 | // Add the persionalities to the personality list.␊ |
461 | ␉␉␊ |
462 | if (personalities) personalities = personalities->tag;␊ |
463 | while (personalities != 0)␊ |
464 | {␊ |
465 | if (gPersonalityHead == 0)␊ |
466 | gPersonalityHead = personalities->tag;␊ |
467 | else␊ |
468 | gPersonalityTail->tagNext = personalities->tag;␊ |
469 | ␊ |
470 | gPersonalityTail = personalities->tag;␊ |
471 | personalities = personalities->tagNext;␊ |
472 | }␊ |
473 | ␊ |
474 | ret = 0;␊ |
475 | }␊ |
476 | while (0);␊ |
477 | ␊ |
478 | if ( buffer ) free( buffer );␊ |
479 | if ( tmpExecutablePath ) free( tmpExecutablePath );␊ |
480 | if ( tmpBundlePath ) free( tmpBundlePath );␊ |
481 | ␉␊ |
482 | return ret;␊ |
483 | }␊ |
484 | ␊ |
485 | ␊ |
486 | //==========================================================================␊ |
487 | // LoadMatchedModules␊ |
488 | ␊ |
489 | long LoadMatchedModules( void )␊ |
490 | {␊ |
491 | TagPtr prop;␊ |
492 | ModulePtr module;␊ |
493 | char *fileName, segName[32];␊ |
494 | DriverInfoPtr driver;␊ |
495 | long length, driverAddr, driverLength;␊ |
496 | void *executableAddr = 0;␊ |
497 | ␉␊ |
498 | ␉␊ |
499 | module = gModuleHead;␊ |
500 | ␉␊ |
501 | while (module != 0)␊ |
502 | {␊ |
503 | if (module->willLoad)␊ |
504 | {␊ |
505 | prop = XMLGetProperty(module->dict, kPropCFBundleExecutable);␊ |
506 | ␉␉␉␊ |
507 | if (prop != 0)␊ |
508 | {␊ |
509 | fileName = prop->string;␊ |
510 | sprintf(gFileSpec, "%s%s", module->executablePath, fileName);␊ |
511 | length = LoadThinFatFile(gFileSpec, &executableAddr);␊ |
512 | ␉␉␉␉if (length == 0)␊ |
513 | ␉␉␉␉{␊ |
514 | ␉␉␉␉␉length = LoadFile(gFileSpec);␊ |
515 | ␉␉␉␉␉executableAddr = (void *)kLoadAddr;␊ |
516 | ␉␉␉␉}␊ |
517 | //printf("%s length = %d addr = 0x%x\n", gFileSpec, length, driverModuleAddr); getc();␊ |
518 | }␊ |
519 | else␊ |
520 | length = 0;␊ |
521 | ␉␉␉␊ |
522 | if (length != -1)␊ |
523 | {␊ |
524 | ␉␉␉␉//driverModuleAddr = (void *)kLoadAddr;␊ |
525 | //if (length != 0)␊ |
526 | //{␊ |
527 | ␉␉␉␉// ThinFatFile(&driverModuleAddr, &length);␊ |
528 | ␉␉␉␉//}␊ |
529 | ␉␉␉␉␊ |
530 | // Make make in the image area.␊ |
531 | ␉␉␉␉␊ |
532 | ␉␉␉␉execute_hook("LoadMatchedModules", module, &length, executableAddr, NULL, NULL, NULL);␊ |
533 | ␉␉␉␉␊ |
534 | driverLength = sizeof(DriverInfo) + module->plistLength + length + module->bundlePathLength;␊ |
535 | driverAddr = AllocateKernelMemory(driverLength);␊ |
536 | ␉␉␉␉␊ |
537 | // Set up the DriverInfo.␊ |
538 | driver = (DriverInfoPtr)driverAddr;␊ |
539 | driver->plistAddr = (char *)(driverAddr + sizeof(DriverInfo));␊ |
540 | driver->plistLength = module->plistLength;␊ |
541 | if (length != 0)␊ |
542 | {␊ |
543 | driver->executableAddr = (void *)(driverAddr + sizeof(DriverInfo) +␊ |
544 | ␉␉␉␉␉␉␉␉␉␉␉␉␉ module->plistLength);␊ |
545 | driver->executableLength = length;␊ |
546 | }␊ |
547 | else␊ |
548 | {␊ |
549 | driver->executableAddr = 0;␊ |
550 | driver->executableLength = 0;␊ |
551 | }␊ |
552 | driver->bundlePathAddr = (void *)(driverAddr + sizeof(DriverInfo) +␊ |
553 | ␉␉␉␉␉␉␉␉␉␉␉␉ module->plistLength + driver->executableLength);␊ |
554 | driver->bundlePathLength = module->bundlePathLength;␊ |
555 | ␉␉␉␉␊ |
556 | // Save the plist, module and bundle.␊ |
557 | strcpy(driver->plistAddr, module->plistAddr);␊ |
558 | if (length != 0)␊ |
559 | {␊ |
560 | memcpy(driver->executableAddr, executableAddr, length);␊ |
561 | }␊ |
562 | strcpy(driver->bundlePathAddr, module->bundlePath);␊ |
563 | ␉␉␉␉␊ |
564 | // Add an entry to the memory map.␊ |
565 | sprintf(segName, "Driver-%lx", (unsigned long)driver); ␊ |
566 | #if UNUSED␊ |
567 | AllocateMemoryRange(segName, driverAddr, driverLength,␊ |
568 | kBootDriverTypeKEXT);␊ |
569 | #else␊ |
570 | AllocateMemoryRange(segName, driverAddr, driverLength);␊ |
571 | #endif␊ |
572 | ␊ |
573 | }␊ |
574 | }␊ |
575 | module = module->nextModule;␊ |
576 | }␊ |
577 | ␉␊ |
578 | return 0;␊ |
579 | }␊ |
580 | ␊ |
581 | #if UNUSED␊ |
582 | //==========================================================================␊ |
583 | // MatchPersonalities␊ |
584 | ␊ |
585 | long MatchPersonalities( void )␊ |
586 | {␊ |
587 | /* IONameMatch support not implemented */␊ |
588 | return 0;␊ |
589 | }␊ |
590 | #endif␊ |
591 | ␊ |
592 | //==========================================================================␊ |
593 | // MatchLibraries␊ |
594 | ␊ |
595 | long MatchLibraries( void )␊ |
596 | {␊ |
597 | TagPtr prop, prop2;␊ |
598 | ModulePtr module, module2;␊ |
599 | long done;␊ |
600 | ␉␊ |
601 | do {␊ |
602 | done = 1;␊ |
603 | module = gModuleHead;␊ |
604 | ␊ |
605 | while (module != 0)␊ |
606 | {␊ |
607 | if (module->willLoad == 1)␊ |
608 | {␊ |
609 | prop = XMLGetProperty(module->dict, kPropOSBundleLibraries);␊ |
610 | if (prop != 0)␊ |
611 | {␊ |
612 | prop = prop->tag;␊ |
613 | while (prop != 0)␊ |
614 | {␊ |
615 | module2 = gModuleHead;␊ |
616 | while (module2 != 0)␊ |
617 | {␊ |
618 | prop2 = XMLGetProperty(module2->dict, kPropCFBundleIdentifier);␊ |
619 | if ((prop2 != 0) && (!strcmp(prop->string, prop2->string)))␊ |
620 | {␊ |
621 | if (module2->willLoad == 0) module2->willLoad = 1;␊ |
622 | break;␊ |
623 | }␊ |
624 | module2 = module2->nextModule;␊ |
625 | }␊ |
626 | prop = prop->tagNext;␊ |
627 | }␊ |
628 | }␊ |
629 | module->willLoad = 2;␊ |
630 | done = 0;␊ |
631 | }␊ |
632 | module = module->nextModule;␊ |
633 | }␊ |
634 | }␊ |
635 | while (!done);␊ |
636 | ␉␊ |
637 | return 0;␊ |
638 | }␊ |
639 | ␊ |
640 | ␊ |
641 | //==========================================================================␊ |
642 | // FindModule␊ |
643 | ␊ |
644 | #if UNUSED␊ |
645 | static ModulePtr␊ |
646 | FindModule( char * name )␊ |
647 | {␊ |
648 | ModulePtr module;␊ |
649 | TagPtr prop;␊ |
650 | ␊ |
651 | module = gModuleHead;␊ |
652 | ␊ |
653 | while (module != 0)␊ |
654 | {␊ |
655 | prop = GetProperty(module->dict, kPropCFBundleIdentifier);␊ |
656 | if ((prop != 0) && !strcmp(name, prop->string)) break;␊ |
657 | module = module->nextModule;␊ |
658 | }␊ |
659 | ␊ |
660 | return module;␊ |
661 | }␊ |
662 | #endif␊ |
663 | ␊ |
664 | //==========================================================================␊ |
665 | // ParseXML␊ |
666 | ␊ |
667 | static long␊ |
668 | ParseXML( char * buffer, ModulePtr * module, TagPtr * personalities )␊ |
669 | {␊ |
670 | ␉long length, pos;␊ |
671 | ␉TagPtr moduleDict, required;␊ |
672 | ␉ModulePtr tmpModule;␊ |
673 | ␉␊ |
674 | pos = 0;␊ |
675 | ␉␊ |
676 | while (1)␊ |
677 | {␊ |
678 | length = XMLParseNextTag(buffer + pos, &moduleDict);␊ |
679 | if (length == -1) break;␊ |
680 | ␉␉␊ |
681 | pos += length;␊ |
682 | ␉␉␊ |
683 | if (moduleDict == 0) continue;␊ |
684 | if (moduleDict->type == kTagTypeDict) break;␊ |
685 | ␉␉␊ |
686 | XMLFreeTag(moduleDict);␊ |
687 | }␊ |
688 | ␉␊ |
689 | if (length == -1) return -1;␊ |
690 | ␉␊ |
691 | required = XMLGetProperty(moduleDict, kPropOSBundleRequired);␊ |
692 | if ( (required == 0) ||␊ |
693 | ␉␉(required->type != kTagTypeString) ||␊ |
694 | ␉␉!strcmp(required->string, "Safe Boot"))␊ |
695 | {␊ |
696 | XMLFreeTag(moduleDict);␊ |
697 | return -2;␊ |
698 | }␊ |
699 | ␉␊ |
700 | tmpModule = malloc(sizeof(Module));␊ |
701 | if (tmpModule == 0)␊ |
702 | {␊ |
703 | XMLFreeTag(moduleDict);␊ |
704 | return -1;␊ |
705 | }␊ |
706 | tmpModule->dict = moduleDict;␊ |
707 | ␉␊ |
708 | // For now, load any module that has OSBundleRequired != "Safe Boot".␊ |
709 | ␉␊ |
710 | tmpModule->willLoad = 1;␊ |
711 | ␉␊ |
712 | *module = tmpModule;␊ |
713 | ␉␊ |
714 | // Get the personalities.␊ |
715 | ␉␊ |
716 | *personalities = XMLGetProperty(moduleDict, kPropIOKitPersonalities);␊ |
717 | ␉␊ |
718 | return 0;␊ |
719 | }␊ |
720 | ␊ |
721 | ␊ |
722 | long ␊ |
723 | DecodeKernel(void *binary, entry_t *rentry, char **raddr, int *rsize)␊ |
724 | {␊ |
725 | long ret;␊ |
726 | compressed_kernel_header * kernel_header = (compressed_kernel_header *) binary;␊ |
727 | ␉␉␊ |
728 | #if 0␊ |
729 | printf("kernel header:\n");␊ |
730 | printf("signature: 0x%x\n", kernel_header->signature);␊ |
731 | printf("compress_type: 0x%x\n", kernel_header->compress_type);␊ |
732 | printf("adler32: 0x%x\n", kernel_header->adler32);␊ |
733 | printf("uncompressed_size: 0x%x\n", kernel_header->uncompressed_size);␊ |
734 | printf("compressed_size: 0x%x\n", kernel_header->compressed_size);␊ |
735 | getc();␊ |
736 | #endif␊ |
737 | ␉␉␊ |
738 | if (kernel_header->signature == OSSwapBigToHostConstInt32('comp'))␊ |
739 | ␉{␊ |
740 | if (kernel_header->compress_type != OSSwapBigToHostConstInt32('lzss'))␊ |
741 | ␉␉{␊ |
742 | error("kernel compression is bad\n");␊ |
743 | return -1;␊ |
744 | }␊ |
745 | ␉␉␊ |
746 | ␉␉u_int32_t uncompressed_size, size;␊ |
747 | ␉␉void *buffer;␊ |
748 | ␉␉␊ |
749 | uncompressed_size = OSSwapBigToHostInt32(kernel_header->uncompressed_size);␊ |
750 | binary = buffer = malloc(uncompressed_size);␊ |
751 | ␉␉␊ |
752 | size = decompress_lzss((u_int8_t *) binary, &kernel_header->data[0],␊ |
753 | OSSwapBigToHostInt32(kernel_header->compressed_size));␊ |
754 | if (uncompressed_size != size)␊ |
755 | ␉␉{␊ |
756 | error("size mismatch from lzss: %x\n", size);␊ |
757 | return -1;␊ |
758 | }␊ |
759 | if (OSSwapBigToHostInt32(kernel_header->adler32) !=␊ |
760 | adler32(binary, uncompressed_size))␊ |
761 | ␉␉{␊ |
762 | printf("adler mismatch\n");␊ |
763 | return -1;␊ |
764 | }␊ |
765 | ␉␉if (((gBootMode & kBootModeSafe) == 0) && (gBootKernelCacheFile[0] != '\0') && gMacOSVersion[3] == '7') ␊ |
766 | ␉␉␉bootInfo->adler32 = kernel_header->adler32;␊ |
767 | }␊ |
768 | ␉␊ |
769 | ␉{␊ |
770 | ␉␉unsigned long len;␊ |
771 | ␉␉ret = ThinFatFile(&binary, &len);␊ |
772 | ␉␉if (ret == 0 && len == 0 && archCpuType==CPU_TYPE_X86_64)␊ |
773 | ␉␉{␊ |
774 | ␉␉␉archCpuType=CPU_TYPE_I386;␊ |
775 | ␉␉␉ret = ThinFatFile(&binary, &len);␊ |
776 | ␉␉}␊ |
777 | ␉␉␊ |
778 | ␉␉ret = DecodeMachO(binary, rentry, raddr, rsize);␊ |
779 | ␉␉␊ |
780 | ␉␉if (ret<0 && archCpuType==CPU_TYPE_X86_64)␊ |
781 | ␉␉{␊ |
782 | ␉␉␉archCpuType=CPU_TYPE_I386;␊ |
783 | ␉␉␉ret = DecodeMachO(binary, rentry, raddr, rsize);␊ |
784 | ␉␉}␊ |
785 | ␉}␊ |
786 | ␉␊ |
787 | ␉return ret;␊ |
788 | } |