| 1 | /*␊ |
| 2 | * Copyright 2010 Evan Lojewski. All rights reserved.␊ |
| 3 | *␊ |
| 4 | */␊ |
| 5 | ␊ |
| 6 | /*␊ |
| 7 | * Copyright 2012 Cadet-petit Armel <armelcadetpetit@gmail.com>. All rights reserved.␊ |
| 8 | *␊ |
| 9 | * Cleaned, Added (runtime) bundles module support, based on a dylib environement.␊ |
| 10 | *␊ |
| 11 | */␊ |
| 12 | #include "libsaio.h"␊ |
| 13 | #include "bootstruct.h"␊ |
| 14 | #include "modules.h"␊ |
| 15 | ␊ |
| 16 | #include "sl.h"␊ |
| 17 | #include "xml.h"␊ |
| 18 | ␊ |
| 19 | #ifndef DEBUG_MODULES␊ |
| 20 | #define DEBUG_MODULES 0␊ |
| 21 | #endif␊ |
| 22 | ␊ |
| 23 | #if DEBUG_MODULES␊ |
| 24 | #define DBG(x...)␉printf(x)␊ |
| 25 | #else␊ |
| 26 | #define DBG(x...)␊ |
| 27 | #endif␊ |
| 28 | ␊ |
| 29 | struct Bundle { ␊ |
| 30 | ␉struct Bundle *nextBundle;␊ |
| 31 | ␉long willLoad;␊ |
| 32 | ␉TagPtr dict;␊ |
| 33 | TagPtr personalities;␊ |
| 34 | #if 0␊ |
| 35 | ␉config_file_t *LanguageConfig; // we will use an xml file instead of pure txt file ... it's easier to parse␊ |
| 36 | #endif␊ |
| 37 | ␉//pool_t workspace;␊ |
| 38 | ␉char *plistAddr;␊ |
| 39 | ␉long plistLength;␊ |
| 40 | ␉char *executablePath;␊ |
| 41 | ␉char *bundlePath;␊ |
| 42 | ␉long bundlePathLength;␊ |
| 43 | };␊ |
| 44 | typedef struct Bundle Bundle, *BundlePtr;␊ |
| 45 | ␊ |
| 46 | // NOTE: Global so that modules can link with this␊ |
| 47 | unsigned long long textAddress = 0;␊ |
| 48 | unsigned long long textSection = 0;␊ |
| 49 | ␊ |
| 50 | moduleHook_t* moduleCallbacks = NULL;␊ |
| 51 | symbolList_t* moduleSymbols = NULL;␊ |
| 52 | unsigned int (*lookup_symbol)(const char*, int(*strcmp_callback)(const char*, const char*)) = NULL;␊ |
| 53 | moduleHook_t* get_callback(const char* name);␊ |
| 54 | static unsigned int load_module(char * name, char* module, BundlePtr bundle);␊ |
| 55 | static EFI_STATUS _bind_macho(char* module, void* base, char* bind_stream, UInt32 size, BundlePtr bundle);␊ |
| 56 | ␊ |
| 57 | #if macho_64␊ |
| 58 | static unsigned int parse_mach(char *module, void* binary, long long(*symbol_handler)(char*, char*, long long, char), BundlePtr bundle);␊ |
| 59 | #else␊ |
| 60 | static unsigned int parse_mach(char *module, void* binary, long long(*symbol_handler)(char*, char*, long long), BundlePtr bundle);␊ |
| 61 | #endif␊ |
| 62 | ␊ |
| 63 | #if macho_64␊ |
| 64 | unsigned int handle_symtable(char *module, UInt32 base, struct symtab_command* symtabCommand, long long(*symbol_handler)(char*, char*, long long, char), char is64);␊ |
| 65 | #else␊ |
| 66 | unsigned int handle_symtable(char *module, UInt32 base, struct symtab_command* symtabCommand, long long(*symbol_handler)(char*, char*, long long));␊ |
| 67 | #endif␊ |
| 68 | ␊ |
| 69 | #if DEBUG_MODULES␊ |
| 70 | VOID print_symbol_list(VOID);␊ |
| 71 | VOID print_hook_list(VOID);␊ |
| 72 | ␊ |
| 73 | VOID print_hook_list(VOID)␊ |
| 74 | {␊ |
| 75 | ␉moduleHook_t* hooks = moduleCallbacks;␊ |
| 76 | ␉printf("Hook list: \n");␊ |
| 77 | ␉while(hooks)␊ |
| 78 | ␉{␊ |
| 79 | ␉␉printf("* %s\n", hooks->name);␊ |
| 80 | ␉␉hooks = hooks->next;␊ |
| 81 | ␉}␊ |
| 82 | ␉printf("\n");␊ |
| 83 | }␊ |
| 84 | ␊ |
| 85 | VOID print_symbol_list(VOID)␊ |
| 86 | {␊ |
| 87 | ␉symbolList_t* symbol = moduleSymbols;␊ |
| 88 | ␉printf("Symbol list: \n");␊ |
| 89 | ␉while(symbol)␊ |
| 90 | ␉{␊ |
| 91 | ␉␉printf("* %s : %s\n", symbol->module, symbol->symbol);␊ |
| 92 | ␉␉symbol = symbol->next;␊ |
| 93 | ␉}␊ |
| 94 | ␉printf("\n");␊ |
| 95 | }␊ |
| 96 | #endif␊ |
| 97 | ␊ |
| 98 | #if DYLIB_SUPPORT␊ |
| 99 | ␊ |
| 100 | typedef struct dylbList_t␊ |
| 101 | {␊ |
| 102 | ␉char* dylib_name;␊ |
| 103 | ␉struct dylbList_t* next;␊ |
| 104 | } dylbList_t;␊ |
| 105 | ␊ |
| 106 | dylbList_t* loadedDylib = NULL;␊ |
| 107 | ␊ |
| 108 | ␊ |
| 109 | static EFI_STATUS is_system_loaded(void)␊ |
| 110 | {␊ |
| 111 | ␉msglog("* Attempting to load system module\n");␊ |
| 112 | ␊ |
| 113 | ␊ |
| 114 | if((UInt32)lookup_symbol != 0xFFFFFFFF)␊ |
| 115 | {␊ |
| 116 | #if␉DEBUG_MODULES == 2␊ |
| 117 | printf("System successfully Loaded.\n");␊ |
| 118 | getc(); ␊ |
| 119 | #endif␊ |
| 120 | return EFI_SUCCESS;␊ |
| 121 | }␊ |
| 122 | ␊ |
| 123 | ␊ |
| 124 | #if␉DEBUG_MODULES == 2␊ |
| 125 | printf("Failed to load system module\n");␊ |
| 126 | getc(); ␊ |
| 127 | #endif␊ |
| 128 | ␉return EFI_LOAD_ERROR;␊ |
| 129 | }␊ |
| 130 | ␊ |
| 131 | /*␊ |
| 132 | * print out the information about the loaded module␊ |
| 133 | */␊ |
| 134 | static VOID add_dylib(const char* name)␊ |
| 135 | {␊ |
| 136 | ␉dylbList_t* new_entry = malloc(sizeof(dylbList_t));␊ |
| 137 | ␉if (new_entry)␊ |
| 138 | ␉{␉␊ |
| 139 | ␉␉bzero(new_entry,sizeof(dylbList_t));␊ |
| 140 | ␉␉␊ |
| 141 | ␉␉new_entry->next = loadedDylib;␊ |
| 142 | ␉␉␊ |
| 143 | ␉␉loadedDylib = new_entry;␊ |
| 144 | ␉␉␊ |
| 145 | ␉␉new_entry->dylib_name = (char*)name;␉␉␊ |
| 146 | ␉}␊ |
| 147 | }␊ |
| 148 | ␊ |
| 149 | static EFI_STATUS is_dylib_loaded(const char* name)␊ |
| 150 | {␊ |
| 151 | ␉dylbList_t* entry = loadedDylib;␊ |
| 152 | ␉while(entry)␊ |
| 153 | ␉{␊ |
| 154 | ␉␉DBG("Comparing %s with %s\n", name, entry->dylib_name);␊ |
| 155 | ␉␉char *fullname = newStringWithFormat("%s.dylib",name);␊ |
| 156 | ␉␉if(fullname && ((strcmp(entry->dylib_name, name) == 0) || (strcmp(entry->dylib_name, fullname) == 0)))␊ |
| 157 | ␉␉{␊ |
| 158 | ␉␉␉free(fullname);␊ |
| 159 | ␉␉␉DBG("Located module %s\n", name);␊ |
| 160 | ␉␉␉return EFI_SUCCESS;␊ |
| 161 | ␉␉}␊ |
| 162 | ␉␉else␊ |
| 163 | ␉␉{␊ |
| 164 | ␉␉␉entry = entry->next;␊ |
| 165 | ␉␉}␊ |
| 166 | ␉␉␊ |
| 167 | ␉}␊ |
| 168 | ␉DBG("Module %s not found\n", name);␊ |
| 169 | ␉␊ |
| 170 | ␉return EFI_NOT_FOUND;␊ |
| 171 | }␊ |
| 172 | ␊ |
| 173 | /*␊ |
| 174 | * Load a dylib ␊ |
| 175 | *␊ |
| 176 | * ex: load_dylib("/Extra/modules/", "AcpiCodec.dylib");␊ |
| 177 | */␊ |
| 178 | VOID load_dylib(const char * dylib_path, const char * name)␊ |
| 179 | {␊ |
| 180 | void (*module_start)(void);␊ |
| 181 | ␉␊ |
| 182 | char *tmp = newStringWithFormat("%s%s",dylib_path, name);␉␉␉␉␉␉␉␉␊ |
| 183 | if (!tmp) {␊ |
| 184 | return;␊ |
| 185 | }␊ |
| 186 | char *dylib_name = newString(name);␉␉␉␉␉␉␉␉␊ |
| 187 | if (!dylib_name) {␊ |
| 188 | free(tmp);␊ |
| 189 | return;␊ |
| 190 | }␊ |
| 191 | msglog("* Attempting to load module: %s\n", tmp);␊ |
| 192 | module_start = (void*)load_module(dylib_name,tmp, NULL);␊ |
| 193 | ␊ |
| 194 | if(module_start && ( module_start != (void*)0xFFFFFFFF))␊ |
| 195 | {␊ |
| 196 | add_dylib(name);␊ |
| 197 | module_start();␊ |
| 198 | }␊ |
| 199 | else␊ |
| 200 | {␊ |
| 201 | // failed to load or already loaded␊ |
| 202 | free(tmp);␊ |
| 203 | free(dylib_name);␊ |
| 204 | ␊ |
| 205 | }␊ |
| 206 | }␊ |
| 207 | ␊ |
| 208 | /*␊ |
| 209 | * Load all dylib in the /Extra/modules/ directory␊ |
| 210 | */␊ |
| 211 | ␊ |
| 212 | VOID load_all_dylib(void)␊ |
| 213 | {␊ |
| 214 | ␉char* name;␊ |
| 215 | ␉long flags;␊ |
| 216 | ␉long time;␊ |
| 217 | ␊ |
| 218 | if (is_system_loaded() != EFI_SUCCESS) return;␊ |
| 219 | ␊ |
| 220 | long ret, length, flags, time, bundleType;␊ |
| 221 | long long␉ index;␊ |
| 222 | long result = -1;␊ |
| 223 | const char * name;␊ |
| 224 | void (*module_start)(void);␊ |
| 225 | ␉␊ |
| 226 | ␉DBG("FileLoadBundles in %s\n",dirSpec);␊ |
| 227 | ␊ |
| 228 | index = 0;␊ |
| 229 | while (1) {␊ |
| 230 | ret = GetDirEntry("/Extra/modules/", &index, &name, &flags, &time);␊ |
| 231 | if (ret == -1) break; ␊ |
| 232 | ␉␉␊ |
| 233 | // Make sure this is not a directory.␊ |
| 234 | if ((flags & kFileTypeMask) == kFileTypeDirectory) continue;␊ |
| 235 | ␊ |
| 236 | if ((strncmp("Symbols.dylib",name, sizeof("Symbols.dylib"))) == 0) continue; // if we found Symbols.dylib, just skip it␊ |
| 237 | ␊ |
| 238 | if (is_dylib_loaded(name) == EFI_SUCCESS) continue;␊ |
| 239 | ␊ |
| 240 | ␊ |
| 241 | // Make sure this is a kext.␊ |
| 242 | length = strlen(name);␊ |
| 243 | if (strncmp(name + length - 6, ".dylib", 6)) continue;␊ |
| 244 | ␉␉␊ |
| 245 | char *tmp = newStringWithFormat( "/Extra/modules/%s",name);␉␉␉␉␉␉␉␉␊ |
| 246 | if (!tmp) {␊ |
| 247 | continue;␊ |
| 248 | }␊ |
| 249 | char *dylib_name = newString(name);␉␉␉␉␉␉␉␉␊ |
| 250 | if (!dylib_name) {␊ |
| 251 | free(tmp);␊ |
| 252 | continue;␊ |
| 253 | }␊ |
| 254 | msglog("* Attempting to load module: %s\n", tmp);␊ |
| 255 | module_start = (void*)load_module(dylib_name,tmp, NULL);␊ |
| 256 | ␊ |
| 257 | if(module_start && ( module_start != (void*)0xFFFFFFFF))␊ |
| 258 | {␊ |
| 259 | add_dylib(name);␊ |
| 260 | module_start();␊ |
| 261 | }␊ |
| 262 | else␊ |
| 263 | {␊ |
| 264 | // failed to load or already loaded␊ |
| 265 | free(tmp);␊ |
| 266 | free(dylib_name);␊ |
| 267 | ␊ |
| 268 | }␊ |
| 269 | }␉␊ |
| 270 | ␉␊ |
| 271 | #if DEBUG_MODULES␊ |
| 272 | ␉print_symbol_list();␊ |
| 273 | #endif␊ |
| 274 | }␊ |
| 275 | ␊ |
| 276 | #endif␊ |
| 277 | ␊ |
| 278 | /*␊ |
| 279 | * Load a module file ␊ |
| 280 | */␊ |
| 281 | static unsigned int load_module(char * name, char* module, BundlePtr bundle)␊ |
| 282 | {␊ |
| 283 | ␉unsigned int module_start = 0xFFFFFFFF;␊ |
| 284 | ␊ |
| 285 | ␉␊ |
| 286 | ␉int fh = -1;␊ |
| 287 | ␉␊ |
| 288 | ␉fh = open(module,0);␊ |
| 289 | ␉if(fh < 0)␊ |
| 290 | ␉{␉␉␊ |
| 291 | #if DEBUG_MODULES␊ |
| 292 | ␉␉DBG("Unable to locate module %s\n", module);␊ |
| 293 | ␉␉getc();␊ |
| 294 | #else␊ |
| 295 | ␉␉msglog("Unable to locate module %s\n", module);␊ |
| 296 | #endif␊ |
| 297 | ␉␉return 0xFFFFFFFF;␉␉␊ |
| 298 | ␉}␊ |
| 299 | ␉␊ |
| 300 | ␉{␊ |
| 301 | ␉␉int moduleSize = file_size(fh);␊ |
| 302 | ␉␉␊ |
| 303 | ␉␉char* module_base = NULL;␊ |
| 304 | ␉␉␊ |
| 305 | ␉␉if (moduleSize > 0)␊ |
| 306 | ␉␉{␊ |
| 307 | ␉␉␉module_base = (char*) malloc(moduleSize);␊ |
| 308 | ␉␉}␉␉␊ |
| 309 | ␉␉␊ |
| 310 | ␉␉if (!module_base)␊ |
| 311 | ␉␉{␊ |
| 312 | ␉␉␉goto out;␊ |
| 313 | ␉␉}␊ |
| 314 | ␉␉bzero(module_base,moduleSize);␊ |
| 315 | ␉␉␊ |
| 316 | ␉␉if (read(fh, module_base, moduleSize) == moduleSize)␊ |
| 317 | ␉␉{␊ |
| 318 | ␉␉␉␊ |
| 319 | ␉␉␉DBG("Module %s read in.\n", module);␊ |
| 320 | ␉␉␉␊ |
| 321 | ␉␉␉// Module loaded into memory, parse it␊ |
| 322 | ␉␉␉module_start = parse_mach(name, module_base, &add_symbol, bundle); ␊ |
| 323 | ␉␉␉␊ |
| 324 | ␉␉␉␊ |
| 325 | ␉␉}␊ |
| 326 | ␉␉else␊ |
| 327 | ␉␉{␊ |
| 328 | ␉␉␉printf("Unable to read in module %s\n.", module);␊ |
| 329 | #if DEBUG_MODULES␉␉␊ |
| 330 | ␉␉␉getc();␊ |
| 331 | #endif␊ |
| 332 | ␉␉␉free(module_base);␊ |
| 333 | ␉␉}␊ |
| 334 | ␉}␊ |
| 335 | out:␊ |
| 336 | ␉close(fh);␊ |
| 337 | ␉return module_start;␊ |
| 338 | }␊ |
| 339 | ␊ |
| 340 | moduleHook_t* get_callback(const char* name)␊ |
| 341 | {␊ |
| 342 | ␉moduleHook_t* hooks = moduleCallbacks;␊ |
| 343 | ␉␊ |
| 344 | ␉// look for a hook. If it exists, return the moduleHook_t*,␊ |
| 345 | ␉// If not, return NULL.␊ |
| 346 | ␉while(hooks)␊ |
| 347 | ␉{␊ |
| 348 | ␉␉if(strcmp(name, hooks->name) == 0)␊ |
| 349 | ␉␉{␊ |
| 350 | ␉␉␉//DBG("Located hook %s\n", name);␊ |
| 351 | ␉␉␉return hooks;␊ |
| 352 | ␉␉}␊ |
| 353 | ␉␉hooks = hooks->next;␊ |
| 354 | ␉}␊ |
| 355 | ␉return NULL;␊ |
| 356 | ␉␊ |
| 357 | }␊ |
| 358 | ␊ |
| 359 | /*␊ |
| 360 | *␉execute_hook( const char* name )␊ |
| 361 | *␉␉name - Name of the module hook␊ |
| 362 | *␉␉␉If any callbacks have been registered for this hook␊ |
| 363 | *␉␉␉they will be executed now in the same order that the␊ |
| 364 | *␉␉␉hooks were added.␊ |
| 365 | */␊ |
| 366 | EFI_STATUS execute_hook(const char* name, void* arg1, void* arg2, void* arg3, void* arg4, void* arg5, void* arg6)␊ |
| 367 | {␊ |
| 368 | ␉DBG("Attempting to execute hook '%s'\n", name);␊ |
| 369 | ␉moduleHook_t* hook = get_callback(name);␊ |
| 370 | ␉␊ |
| 371 | ␉if(hook)␊ |
| 372 | ␉{␊ |
| 373 | ␉␉// Loop through all callbacks for this module␊ |
| 374 | ␉␉callbackList_t* callbacks = hook->callbacks;␊ |
| 375 | ␉␉␊ |
| 376 | ␉␉while(callbacks)␊ |
| 377 | ␉␉{␊ |
| 378 | ␉␉␉// Execute callback␊ |
| 379 | ␉␉␉callbacks->callback(arg1, arg2, arg3, arg4, arg5, arg6);␊ |
| 380 | ␉␉␉callbacks = callbacks->next;␊ |
| 381 | ␉␉}␊ |
| 382 | ␉␉DBG("Hook '%s' executed.\n", name); ␊ |
| 383 | ␉␉return EFI_SUCCESS;␊ |
| 384 | ␉}␊ |
| 385 | ␉␊ |
| 386 | ␉// Callback for this hook doesn't exist;␊ |
| 387 | ␉DBG("No callbacks for '%s' hook.\n", name);␊ |
| 388 | ␉return EFI_NOT_FOUND;␊ |
| 389 | ␉␊ |
| 390 | }␊ |
| 391 | ␊ |
| 392 | /*␊ |
| 393 | *␉register_hook_callback( const char* name, void(*callback)())␊ |
| 394 | *␉␉name - Name of the module hook to attach to.␊ |
| 395 | *␉␉callbacks - The funciton pointer that will be called when the␊ |
| 396 | *␉␉␉hook is executed. When registering a new callback name, the callback is added sorted.␊ |
| 397 | *␉␉␉NOTE: the hooks take four void* arguments.␊ |
| 398 | */␊ |
| 399 | static VOID __register_hook_callback(moduleHook_t* hook, const char* name, void(*callback)(void*, void*, void*, void*, void*, void*))␊ |
| 400 | {␊ |
| 401 | ␉if(hook)␊ |
| 402 | ␉{␊ |
| 403 | ␉␉// append␊ |
| 404 | ␉␉callbackList_t* newCallback = malloc(sizeof(callbackList_t));␊ |
| 405 | ␉␉if (!newCallback) {␊ |
| 406 | ␉␉␉DBG("Unable to allocate memory for callback \n");␊ |
| 407 | ␉␉␉return;␊ |
| 408 | ␉␉}␊ |
| 409 | ␉␉bzero(newCallback,sizeof(callbackList_t));␊ |
| 410 | ␉␉␊ |
| 411 | ␉␉newCallback->next = hook->callbacks;␊ |
| 412 | ␉␉hook->callbacks = newCallback;␊ |
| 413 | ␉␉newCallback->callback = callback;␊ |
| 414 | ␉}␊ |
| 415 | ␉else␊ |
| 416 | ␉{␊ |
| 417 | ␉␉// create new hook␊ |
| 418 | ␉␉moduleHook_t* newHook = malloc(sizeof(moduleHook_t));␊ |
| 419 | ␉␉if (!newHook) {␊ |
| 420 | ␉␉␉DBG("Unable to allocate memory for hook '%s'.\n", name);␊ |
| 421 | ␉␉␉return;␊ |
| 422 | ␉␉}␊ |
| 423 | ␉␉bzero(newHook,sizeof(moduleHook_t));␊ |
| 424 | ␉␉␊ |
| 425 | ␉␉newHook->name = name;␊ |
| 426 | ␉␉newHook->callbacks = malloc(sizeof(callbackList_t));␊ |
| 427 | ␉␉if (!newHook->callbacks) {␊ |
| 428 | ␉␉␉DBG("Unable to allocate memory for callback \n");␊ |
| 429 | ␉␉␉free(newHook);␊ |
| 430 | ␉␉␉return;␊ |
| 431 | ␉␉}␊ |
| 432 | ␉␉bzero(newHook->callbacks,sizeof(callbackList_t));␊ |
| 433 | ␉␉␊ |
| 434 | ␉␉newHook->callbacks->callback = callback;␊ |
| 435 | ␉␉newHook->callbacks->next = NULL;␊ |
| 436 | ␉␉␊ |
| 437 | ␉␉newHook->next = moduleCallbacks;␊ |
| 438 | ␉␉moduleCallbacks = newHook;␊ |
| 439 | ␉␉␊ |
| 440 | ␉}␊ |
| 441 | ␉␊ |
| 442 | #if DEBUG_MODULES␊ |
| 443 | ␉print_hook_list();␊ |
| 444 | ␉getc();␊ |
| 445 | #endif␊ |
| 446 | }␊ |
| 447 | ␊ |
| 448 | VOID register_hook_callback(const char* name, void(*callback)(void*, void*, void*, void*, void*, void*))␊ |
| 449 | {␉␊ |
| 450 | ␉DBG("Adding callback for hook '%s'.\n", name);␊ |
| 451 | ␉␊ |
| 452 | ␉moduleHook_t* hook = get_callback(name);␊ |
| 453 | ␉␊ |
| 454 | ␉__register_hook_callback(hook, name, callback);␊ |
| 455 | }␊ |
| 456 | ␊ |
| 457 | VOID register_one_callback(const char* name, void(*callback)(void*, void*, void*, void*, void*, void*))␊ |
| 458 | {␉␊ |
| 459 | ␉DBG("Adding one callback for hook '%s'.\n", name);␊ |
| 460 | ␉␊ |
| 461 | ␉moduleHook_t* hook = get_callback(name);␊ |
| 462 | ␉␊ |
| 463 | ␉if (hook) ␊ |
| 464 | ␉{␊ |
| 465 | ␉␉return;␊ |
| 466 | ␉}␉␊ |
| 467 | ␉__register_hook_callback(hook, name, callback);␊ |
| 468 | }␊ |
| 469 | ␊ |
| 470 | #if DEBUG_MODULES␊ |
| 471 | unsigned long vmaddr;␊ |
| 472 | long vmsize;␊ |
| 473 | #endif␊ |
| 474 | ␊ |
| 475 | /*␊ |
| 476 | * Parse through a macho module. The module will be rebased and binded␊ |
| 477 | * as specified in the macho header. If the module is successfully loaded␊ |
| 478 | * the module iinit address will be returned.␊ |
| 479 | * NOTE; all dependecies will be loaded before this module is started␊ |
| 480 | * NOTE: If the module is unable to load ot completeion, the modules␊ |
| 481 | * symbols will still be available (TODO: fix this). This should not␊ |
| 482 | * happen as all dependencies are verified before the sybols are read in.␊ |
| 483 | */␊ |
| 484 | #if macho_64␊ |
| 485 | static unsigned int parse_mach(char *module, void* binary, long long(*symbol_handler)(char*, char*, long long, char), BundlePtr bundle)␉// TODO: add param to specify valid archs␊ |
| 486 | #else␊ |
| 487 | static unsigned int parse_mach(char *module, void* binary, long long(*symbol_handler)(char*, char*, long long), BundlePtr bundle)␉// TODO: add param to specify valid archs␊ |
| 488 | #endif␊ |
| 489 | {␉␊ |
| 490 | #if macho_64␊ |
| 491 | ␉char is64 = false;␊ |
| 492 | #endif␊ |
| 493 | ␉unsigned int module_start = 0xFFFFFFFF;␊ |
| 494 | ␉EFI_STATUS bind_status = EFI_SUCCESS;␊ |
| 495 | ␊ |
| 496 | ␉// TODO convert all of the structs to a union␉␊ |
| 497 | ␉struct dyld_info_command* dyldInfoCommand = NULL;␉␊ |
| 498 | ␉struct symtab_command* symtabCommand = NULL;␉␊ |
| 499 | ␉␊ |
| 500 | ␉{␊ |
| 501 | ␉␉struct segment_command *segCommand = NULL;␊ |
| 502 | #if macho_64␊ |
| 503 | ␉␉struct segment_command_64 *segCommand64 = NULL;␊ |
| 504 | #endif␊ |
| 505 | ␉␉struct load_command *loadCommand = NULL;␊ |
| 506 | ␉␉UInt32 binaryIndex = 0;␊ |
| 507 | ␉␉UInt16 cmd = 0;␊ |
| 508 | ␉␉␊ |
| 509 | ␉␉// Parse through the load commands␊ |
| 510 | ␉␉if(((struct mach_header*)binary)->magic == MH_MAGIC)␊ |
| 511 | ␉␉{␊ |
| 512 | #if macho_64␊ |
| 513 | ␉␉␉is64 = false;␊ |
| 514 | #endif␊ |
| 515 | ␉␉␉binaryIndex += sizeof(struct mach_header);␊ |
| 516 | ␉␉}␊ |
| 517 | #if macho_64␊ |
| 518 | ␉␉else if(((struct mach_header_64*)binary)->magic == MH_MAGIC_64)␊ |
| 519 | ␉␉{␊ |
| 520 | ␉␉␉// NOTE: modules cannot be 64bit...␊ |
| 521 | ␉␉␉is64 = true;␊ |
| 522 | ␉␉␉binaryIndex += sizeof(struct mach_header_64);␊ |
| 523 | ␉␉}␊ |
| 524 | #endif␊ |
| 525 | ␉␉else␊ |
| 526 | ␉␉{␊ |
| 527 | ␉␉␉printf("Modules: Invalid mach magic\n");␊ |
| 528 | ␉␉␉getc();␊ |
| 529 | ␉␉␉return 0xFFFFFFFF;␊ |
| 530 | ␉␉}␊ |
| 531 | ␉␉␊ |
| 532 | ␉␉␊ |
| 533 | ␉␉␊ |
| 534 | ␉␉/*if(((struct mach_header*)binary)->filetype != MH_DYLIB)␊ |
| 535 | ␉␉ {␊ |
| 536 | ␉␉ printf("Module is not a dylib. Unable to load.\n");␊ |
| 537 | ␉␉ getc();␊ |
| 538 | ␉␉ return NULL; // Module is in the incorrect format␊ |
| 539 | ␉␉ }*/␊ |
| 540 | ␉␉␊ |
| 541 | ␉␉while(cmd < ((struct mach_header*)binary)->ncmds)␊ |
| 542 | ␉␉{␊ |
| 543 | ␉␉␉cmd++;␊ |
| 544 | ␉␉␉␊ |
| 545 | ␉␉␉loadCommand = binary + binaryIndex;␊ |
| 546 | ␉␉␉UInt32 cmdSize = loadCommand->cmdsize;␊ |
| 547 | ␉␉␉␊ |
| 548 | ␉␉␉␊ |
| 549 | ␉␉␉switch ((loadCommand->cmd & 0x7FFFFFFF))␊ |
| 550 | ␉␉␉{␊ |
| 551 | ␉␉␉␉case LC_SYMTAB:␊ |
| 552 | ␉␉␉␉␉symtabCommand = binary + binaryIndex;␊ |
| 553 | ␉␉␉␉␉break;␊ |
| 554 | ␉␉␉␉␉␊ |
| 555 | ␉␉␉␉case LC_SEGMENT: // 32bit macho␊ |
| 556 | ␉␉␉␉{␊ |
| 557 | ␉␉␉␉␉segCommand = binary + binaryIndex;␊ |
| 558 | ␉␉␉␉␉␊ |
| 559 | ␉␉␉␉␉//printf("Segment name is %s\n", segCommand->segname);␊ |
| 560 | ␉␉␉␉␉␊ |
| 561 | ␉␉␉␉␉if(strncmp("__TEXT", segCommand->segname, sizeof("__TEXT")) == 0)␊ |
| 562 | ␉␉␉␉␉{␊ |
| 563 | ␉␉␉␉␉␉UInt32 sectionIndex;␊ |
| 564 | ␉␉␉␉␉␉␊ |
| 565 | #if DEBUG_MODULES␊ |
| 566 | ␉␉␉␉␉␉unsigned long fileaddr;␊ |
| 567 | ␉␉␉␉␉␉long filesize;␉␉␉␉␉␊ |
| 568 | ␉␉␉␉␉␉vmaddr = (segCommand->vmaddr & 0x3fffffff);␊ |
| 569 | ␉␉␉␉␉␉vmsize = segCommand->vmsize;␉ ␊ |
| 570 | ␉␉␉␉␉␉fileaddr = ((unsigned long)(binary + binaryIndex) + segCommand->fileoff);␊ |
| 571 | ␉␉␉␉␉␉filesize = segCommand->filesize;␊ |
| 572 | ␉␉␉␉␉␉␊ |
| 573 | ␉␉␉␉␉␉printf("segname: %s, vmaddr: %x, vmsize: %x, fileoff: %x, filesize: %x, nsects: %d, flags: %x.\n",␊ |
| 574 | ␉␉␉␉␉␉␉ segCommand->segname, (unsigned)vmaddr, (unsigned)vmsize, (unsigned)fileaddr, (unsigned)filesize,␊ |
| 575 | ␉␉␉␉␉␉␉ (unsigned) segCommand->nsects, (unsigned)segCommand->flags);␊ |
| 576 | #if DEBUG_MODULES==2␊ |
| 577 | ␉␉␉␉␉␉␊ |
| 578 | ␉␉␉␉␉␉getc();␊ |
| 579 | #endif␊ |
| 580 | #endif␊ |
| 581 | ␉␉␉␉␉␉␊ |
| 582 | ␉␉␉␉␉␉sectionIndex = sizeof(struct segment_command);␊ |
| 583 | ␉␉␉␉␉␉␊ |
| 584 | ␉␉␉␉␉␉struct section *sect;␊ |
| 585 | ␉␉␉␉␉␉␊ |
| 586 | ␉␉␉␉␉␉while(sectionIndex < segCommand->cmdsize)␊ |
| 587 | ␉␉␉␉␉␉{␊ |
| 588 | ␉␉␉␉␉␉␉sect = binary + binaryIndex + sectionIndex;␊ |
| 589 | ␉␉␉␉␉␉␉␊ |
| 590 | ␉␉␉␉␉␉␉sectionIndex += sizeof(struct section);␊ |
| 591 | ␉␉␉␉␉␉␉␊ |
| 592 | ␉␉␉␉␉␉␉␊ |
| 593 | ␉␉␉␉␉␉␉if(strncmp("__text", sect->sectname,sizeof("__text")) == 0)␊ |
| 594 | ␉␉␉␉␉␉␉{␊ |
| 595 | ␉␉␉␉␉␉␉␉// __TEXT,__text found, save the offset and address for when looking for the calls.␊ |
| 596 | ␉␉␉␉␉␉␉␉textSection = sect->offset;␊ |
| 597 | ␉␉␉␉␉␉␉␉textAddress = sect->addr;␊ |
| 598 | ␉␉␉␉␉␉␉␉break;␊ |
| 599 | ␉␉␉␉␉␉␉}␉␉␉␉␉␊ |
| 600 | ␉␉␉␉␉␉}␊ |
| 601 | ␉␉␉␉␉}␊ |
| 602 | ␉␉␉␉␉break;␊ |
| 603 | ␉␉␉␉}␉␊ |
| 604 | #if macho_64␊ |
| 605 | ␉␉␉␉case LC_SEGMENT_64:␉// 64bit macho's␊ |
| 606 | ␉␉␉␉{␊ |
| 607 | ␉␉␉␉␉segCommand64 = binary + binaryIndex;␊ |
| 608 | ␉␉␉␉␉␊ |
| 609 | ␉␉␉␉␉//printf("Segment name is %s\n", segCommand->segname);␊ |
| 610 | ␉␉␉␉␉␊ |
| 611 | ␉␉␉␉␉if(strncmp("__TEXT", segCommand64->segname, sizeof("__TEXT")) == 0)␊ |
| 612 | ␉␉␉␉␉{␊ |
| 613 | ␉␉␉␉␉␉UInt32 sectionIndex;␊ |
| 614 | ␉␉␉␉␉␉␊ |
| 615 | #if DEBUG_MODULES␉␉␉␉␉␉␊ |
| 616 | ␉␉␉␉␉␉unsigned long fileaddr;␊ |
| 617 | ␉␉␉␉␉␉long filesize;␉␉␉␉␉␊ |
| 618 | ␉␉␉␉␉␉vmaddr = (segCommand64->vmaddr & 0x3fffffff);␊ |
| 619 | ␉␉␉␉␉␉vmsize = segCommand64->vmsize;␉ ␊ |
| 620 | ␉␉␉␉␉␉fileaddr = ((unsigned long)(binary + binaryIndex) + segCommand64->fileoff);␊ |
| 621 | ␉␉␉␉␉␉filesize = segCommand64->filesize;␊ |
| 622 | ␉␉␉␉␉␉␊ |
| 623 | ␉␉␉␉␉␉printf("segname: %s, vmaddr: %x, vmsize: %x, fileoff: %x, filesize: %x, nsects: %d, flags: %x.\n",␊ |
| 624 | ␉␉␉␉␉␉␉ segCommand64->segname, (unsigned)vmaddr, (unsigned)vmsize, (unsigned)fileaddr, (unsigned)filesize,␊ |
| 625 | ␉␉␉␉␉␉␉ (unsigned) segCommand64->nsects, (unsigned)segCommand64->flags);␊ |
| 626 | #if DEBUG_MODULES==2␊ |
| 627 | ␉␉␉␉␉␉␊ |
| 628 | ␉␉␉␉␉␉getc();␊ |
| 629 | #endif␊ |
| 630 | #endif␊ |
| 631 | ␉␉␉␉␉␉␊ |
| 632 | ␉␉␉␉␉␉sectionIndex = sizeof(struct segment_command_64);␊ |
| 633 | ␉␉␉␉␉␉␊ |
| 634 | ␉␉␉␉␉␉struct section_64 *sect;␊ |
| 635 | ␉␉␉␉␉␉␊ |
| 636 | ␉␉␉␉␉␉while(sectionIndex < segCommand64->cmdsize)␊ |
| 637 | ␉␉␉␉␉␉{␊ |
| 638 | ␉␉␉␉␉␉␉sect = binary + binaryIndex + sectionIndex;␊ |
| 639 | ␉␉␉␉␉␉␉␊ |
| 640 | ␉␉␉␉␉␉␉sectionIndex += sizeof(struct section_64);␊ |
| 641 | ␉␉␉␉␉␉␉␊ |
| 642 | ␉␉␉␉␉␉␉␊ |
| 643 | ␉␉␉␉␉␉␉if(strncmp("__text", sect->sectname, sizeof("__text")) == 0)␊ |
| 644 | ␉␉␉␉␉␉␉{␊ |
| 645 | ␉␉␉␉␉␉␉␉// __TEXT,__text found, save the offset and address for when looking for the calls.␊ |
| 646 | ␉␉␉␉␉␉␉␉textSection = sect->offset;␊ |
| 647 | ␉␉␉␉␉␉␉␉textAddress = sect->addr;␊ |
| 648 | ␉␉␉␉␉␉␉␉␊ |
| 649 | ␉␉␉␉␉␉␉␉break;␊ |
| 650 | ␉␉␉␉␉␉␉}␉␉␉␉␉␊ |
| 651 | ␉␉␉␉␉␉}␊ |
| 652 | ␉␉␉␉␉}␊ |
| 653 | ␉␉␉␉␉␊ |
| 654 | ␉␉␉␉␉break;␊ |
| 655 | ␉␉␉␉}␊ |
| 656 | #endif␊ |
| 657 | ␉␉␉␉case LC_DYSYMTAB:␊ |
| 658 | ␉␉␉␉␉break;␊ |
| 659 | ␉␉␉␉␉␊ |
| 660 | ␉␉␉␉case LC_LOAD_DYLIB:␊ |
| 661 | ␉␉␉␉case LC_LOAD_WEAK_DYLIB ^ LC_REQ_DYLD:␊ |
| 662 | break;␊ |
| 663 | ␊ |
| 664 | ␉␉␉␉case LC_ID_DYLIB:␊ |
| 665 | break;␊ |
| 666 | ␊ |
| 667 | ␉␉␉␉␉␊ |
| 668 | ␉␉␉␉case LC_DYLD_INFO:␊ |
| 669 | ␉␉␉␉␉// Bind and rebase info is stored here␊ |
| 670 | ␉␉␉␉␉dyldInfoCommand = binary + binaryIndex;␊ |
| 671 | ␉␉␉␉␉break;␊ |
| 672 | ␉␉␉␉␉␊ |
| 673 | ␉␉␉␉case LC_UUID:␊ |
| 674 | ␉␉␉␉␉break;␊ |
| 675 | ␉␉␉␉␉␊ |
| 676 | ␉␉␉␉case LC_UNIXTHREAD:␊ |
| 677 | ␉␉␉␉␉break;␊ |
| 678 | ␉␉␉␉␉␊ |
| 679 | ␉␉␉␉default:␊ |
| 680 | ␉␉␉␉␉DBG("Unhandled loadcommand 0x%X\n", loadCommand->cmd & 0x7FFFFFFF);␊ |
| 681 | ␉␉␉␉␉break;␊ |
| 682 | ␉␉␉␉␉␊ |
| 683 | ␉␉␉}␊ |
| 684 | ␉␉␉␊ |
| 685 | ␉␉␉binaryIndex += cmdSize;␊ |
| 686 | ␉␉}␊ |
| 687 | ␉␉//if(!moduleName) return NULL;␊ |
| 688 | ␉}␉␉␊ |
| 689 | ␉␊ |
| 690 | ␉// bind_macho uses the symbols.␊ |
| 691 | #if macho_64␊ |
| 692 | ␉module_start = handle_symtable(module, (UInt32)binary, symtabCommand, symbol_handler, is64);␊ |
| 693 | #else␊ |
| 694 | ␉module_start = handle_symtable(module, (UInt32)binary, symtabCommand, symbol_handler);␊ |
| 695 | #endif␊ |
| 696 | ␉// Rebase the module before binding it.␊ |
| 697 | ␉if(dyldInfoCommand && dyldInfoCommand->rebase_off)␊ |
| 698 | ␉{␊ |
| 699 | ␉␉rebase_macho(binary, (char*)dyldInfoCommand->rebase_off, dyldInfoCommand->rebase_size);␊ |
| 700 | ␉}␊ |
| 701 | ␉␊ |
| 702 | ␉if(dyldInfoCommand && dyldInfoCommand->bind_off)␊ |
| 703 | ␉{␊ |
| 704 | ␉␉bind_status = _bind_macho(module, binary, (char*)dyldInfoCommand->bind_off, dyldInfoCommand->bind_size, bundle);␊ |
| 705 | ␉}␊ |
| 706 | ␉␊ |
| 707 | ␉if(dyldInfoCommand && dyldInfoCommand->weak_bind_off && (bind_status == EFI_SUCCESS))␊ |
| 708 | ␉{␊ |
| 709 | ␉␉// NOTE: this currently should never happen.␊ |
| 710 | ␉␉bind_status = _bind_macho(module, binary, (char*)dyldInfoCommand->weak_bind_off, dyldInfoCommand->weak_bind_size, bundle);␊ |
| 711 | ␉}␊ |
| 712 | ␉␊ |
| 713 | ␉if(dyldInfoCommand && dyldInfoCommand->lazy_bind_off && (bind_status == EFI_SUCCESS))␊ |
| 714 | ␉{␊ |
| 715 | ␉␉// NOTE: we are binding the lazy pointers as a module is laoded,␊ |
| 716 | ␉␉// This should be changed to bind when a symbol is referened at runtime instead.␊ |
| 717 | ␉␉bind_status = _bind_macho(module, binary, (char*)dyldInfoCommand->lazy_bind_off, dyldInfoCommand->lazy_bind_size, bundle);␊ |
| 718 | ␉}␊ |
| 719 | ␉␊ |
| 720 | if (bind_status != EFI_SUCCESS) {␊ |
| 721 | module_start = 0xFFFFFFFF;␊ |
| 722 | }␊ |
| 723 | ␊ |
| 724 | ␉return module_start;␊ |
| 725 | ␉␊ |
| 726 | }␊ |
| 727 | ␊ |
| 728 | // Based on code from dylibinfo.cpp and ImageLoaderMachOCompressed.cpp␊ |
| 729 | void rebase_macho(void* base, char* rebase_stream, UInt32 size)␊ |
| 730 | {␊ |
| 731 | ␉rebase_stream += (UInt32)base;␊ |
| 732 | ␉␊ |
| 733 | ␉UInt8 immediate = 0;␊ |
| 734 | ␉UInt8 opcode = 0;␊ |
| 735 | ␉UInt8 type = 0;␊ |
| 736 | ␉␊ |
| 737 | ␉UInt32 segmentAddress = 0;␊ |
| 738 | ␉␊ |
| 739 | ␉␊ |
| 740 | ␉␊ |
| 741 | ␉UInt32 tmp = 0;␊ |
| 742 | ␉UInt32 tmp2 = 0;␊ |
| 743 | ␉UInt8 bits = 0;␊ |
| 744 | ␉UInt32 index = 0;␊ |
| 745 | ␉␊ |
| 746 | ␉//int done = 0;␊ |
| 747 | ␉unsigned int i = 0;␊ |
| 748 | ␉␊ |
| 749 | ␉while(/*!done &&*/ i < size)␊ |
| 750 | ␉{␊ |
| 751 | ␉␉immediate = rebase_stream[i] & REBASE_IMMEDIATE_MASK;␊ |
| 752 | ␉␉opcode = rebase_stream[i] & REBASE_OPCODE_MASK;␊ |
| 753 | ␉␉␊ |
| 754 | ␉␉␊ |
| 755 | ␉␉switch(opcode)␊ |
| 756 | ␉␉{␊ |
| 757 | ␉␉␉case REBASE_OPCODE_DONE:␊ |
| 758 | ␉␉␉␉// Rebase complete.␊ |
| 759 | ␉␉␉␉//done = 1;␊ |
| 760 | ␉␉␉␉break;␊ |
| 761 | ␉␉␉␉␊ |
| 762 | ␉␉␉␉␊ |
| 763 | ␉␉␉case REBASE_OPCODE_SET_TYPE_IMM:␊ |
| 764 | ␉␉␉␉// Set rebase type (pointer, absolute32, pcrel32)␊ |
| 765 | ␉␉␉␉//DBG("Rebase type = 0x%X\n", immediate);␊ |
| 766 | ␉␉␉␉type = immediate;␊ |
| 767 | ␉␉␉␉break;␊ |
| 768 | ␉␉␉␉␊ |
| 769 | ␉␉␉␉␊ |
| 770 | ␉␉␉case REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:␊ |
| 771 | ␉␉␉{␊ |
| 772 | ␉␉␉␉// Locate address to begin rebasing␊ |
| 773 | ␉␉␉␉//segmentAddress = 0;␊ |
| 774 | ␉␉␉␉␊ |
| 775 | ␉␉␉␉struct segment_command* segCommand = NULL; // NOTE: 32bit only␊ |
| 776 | ␉␉␉␉␊ |
| 777 | ␉␉␉␉{␊ |
| 778 | ␉␉␉␉␉unsigned int binIndex = 0;␊ |
| 779 | ␉␉␉␉␉index = 0;␊ |
| 780 | ␉␉␉␉␉do␊ |
| 781 | ␉␉␉␉␉{␊ |
| 782 | ␉␉␉␉␉␉segCommand = base + sizeof(struct mach_header) + binIndex;␊ |
| 783 | ␉␉␉␉␉␉␊ |
| 784 | ␉␉␉␉␉␉␊ |
| 785 | ␉␉␉␉␉␉binIndex += segCommand->cmdsize;␊ |
| 786 | ␉␉␉␉␉␉index++;␊ |
| 787 | ␉␉␉␉␉}␊ |
| 788 | ␉␉␉␉␉while(index <= immediate);␊ |
| 789 | ␉␉␉␉}␉␉␉␉␊ |
| 790 | ␉␉␉␉␊ |
| 791 | ␉␉␉␉segmentAddress = segCommand->fileoff;␊ |
| 792 | ␉␉␉␉␊ |
| 793 | ␉␉␉␉tmp = 0;␊ |
| 794 | ␉␉␉␉bits = 0;␊ |
| 795 | ␉␉␉␉do␊ |
| 796 | ␉␉␉␉{␊ |
| 797 | ␉␉␉␉␉tmp |= (rebase_stream[++i] & 0x7f) << bits;␊ |
| 798 | ␉␉␉␉␉bits += 7;␊ |
| 799 | ␉␉␉␉}␊ |
| 800 | ␉␉␉␉while(rebase_stream[i] & 0x80);␊ |
| 801 | ␉␉␉␉␊ |
| 802 | ␉␉␉␉segmentAddress += tmp;␊ |
| 803 | ␉␉␉␉break;␊ |
| 804 | ␉␉␉}␉␉␉␉␊ |
| 805 | ␉␉␉case REBASE_OPCODE_ADD_ADDR_ULEB:␊ |
| 806 | ␉␉␉␉// Add value to rebase address␊ |
| 807 | ␉␉␉␉tmp = 0;␊ |
| 808 | ␉␉␉␉bits = 0;␊ |
| 809 | ␉␉␉␉do␊ |
| 810 | ␉␉␉␉{␊ |
| 811 | ␉␉␉␉␉tmp <<= bits;␊ |
| 812 | ␉␉␉␉␉tmp |= rebase_stream[++i] & 0x7f;␊ |
| 813 | ␉␉␉␉␉bits += 7;␊ |
| 814 | ␉␉␉␉}␊ |
| 815 | ␉␉␉␉while(rebase_stream[i] & 0x80);␊ |
| 816 | ␉␉␉␉␊ |
| 817 | ␉␉␉␉segmentAddress +=␉tmp; ␊ |
| 818 | ␉␉␉␉break;␊ |
| 819 | ␉␉␉␉␊ |
| 820 | ␉␉␉case REBASE_OPCODE_ADD_ADDR_IMM_SCALED:␊ |
| 821 | ␉␉␉␉segmentAddress += immediate * sizeof(void*);␊ |
| 822 | ␉␉␉␉break;␊ |
| 823 | ␉␉␉␉␊ |
| 824 | ␉␉␉␉␊ |
| 825 | ␉␉␉case REBASE_OPCODE_DO_REBASE_IMM_TIMES:␊ |
| 826 | ␉␉␉␉for (index = 0; index < immediate; ++index)␊ |
| 827 | ␉␉␉␉{␊ |
| 828 | ␉␉␉␉␉rebase_location(base + segmentAddress, (char*)base, type);␊ |
| 829 | ␉␉␉␉␉segmentAddress += sizeof(void*);␊ |
| 830 | ␉␉␉␉}␊ |
| 831 | ␉␉␉␉break;␉␉␉␉␊ |
| 832 | ␉␉␉␉␊ |
| 833 | ␉␉␉case REBASE_OPCODE_DO_REBASE_ULEB_TIMES:␊ |
| 834 | ␉␉␉␉tmp = 0;␊ |
| 835 | ␉␉␉␉bits = 0;␊ |
| 836 | ␉␉␉␉do␊ |
| 837 | ␉␉␉␉{␊ |
| 838 | ␉␉␉␉␉tmp |= (rebase_stream[++i] & 0x7f) << bits;␊ |
| 839 | ␉␉␉␉␉bits += 7;␊ |
| 840 | ␉␉␉␉}␊ |
| 841 | ␉␉␉␉while(rebase_stream[i] & 0x80);␊ |
| 842 | ␉␉␉␉␊ |
| 843 | ␉␉␉␉for (index = 0; index < tmp; ++index)␊ |
| 844 | ␉␉␉␉{␊ |
| 845 | ␉␉␉␉␉//DBG("\tRebasing 0x%X\n", segmentAddress);␊ |
| 846 | ␉␉␉␉␉rebase_location(base + segmentAddress, (char*)base, type);␉␉␉␉␉␊ |
| 847 | ␉␉␉␉␉segmentAddress += sizeof(void*);␊ |
| 848 | ␉␉␉␉}␊ |
| 849 | ␉␉␉␉break;␊ |
| 850 | ␉␉␉␉␊ |
| 851 | ␉␉␉case REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB:␊ |
| 852 | ␉␉␉␉tmp = 0;␊ |
| 853 | ␉␉␉␉bits = 0;␊ |
| 854 | ␉␉␉␉do␊ |
| 855 | ␉␉␉␉{␊ |
| 856 | ␉␉␉␉␉tmp |= (rebase_stream[++i] & 0x7f) << bits;␊ |
| 857 | ␉␉␉␉␉bits += 7;␊ |
| 858 | ␉␉␉␉}␊ |
| 859 | ␉␉␉␉while(rebase_stream[i] & 0x80);␊ |
| 860 | ␉␉␉␉␊ |
| 861 | ␉␉␉␉rebase_location(base + segmentAddress, (char*)base, type);␊ |
| 862 | ␉␉␉␉␊ |
| 863 | ␉␉␉␉segmentAddress += tmp + sizeof(void*);␊ |
| 864 | ␉␉␉␉break;␊ |
| 865 | ␉␉␉␉␊ |
| 866 | ␉␉␉case REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB:␊ |
| 867 | ␉␉␉␉tmp = 0;␊ |
| 868 | ␉␉␉␉bits = 0;␊ |
| 869 | ␉␉␉␉do␊ |
| 870 | ␉␉␉␉{␊ |
| 871 | ␉␉␉␉␉tmp |= (rebase_stream[++i] & 0x7f) << bits;␊ |
| 872 | ␉␉␉␉␉bits += 7;␊ |
| 873 | ␉␉␉␉}␊ |
| 874 | ␉␉␉␉while(rebase_stream[i] & 0x80);␊ |
| 875 | ␉␉␉␉␊ |
| 876 | ␉␉␉␉␊ |
| 877 | ␉␉␉␉tmp2 = 0;␊ |
| 878 | ␉␉␉␉bits = 0;␊ |
| 879 | ␉␉␉␉do␊ |
| 880 | ␉␉␉␉{␊ |
| 881 | ␉␉␉␉␉tmp2 |= (rebase_stream[++i] & 0x7f) << bits;␊ |
| 882 | ␉␉␉␉␉bits += 7;␊ |
| 883 | ␉␉␉␉}␊ |
| 884 | ␉␉␉␉while(rebase_stream[i] & 0x80);␊ |
| 885 | ␉␉␉␉␊ |
| 886 | ␉␉␉␉for (index = 0; index < tmp; ++index)␊ |
| 887 | ␉␉␉␉{␊ |
| 888 | ␉␉␉␉␉␊ |
| 889 | ␉␉␉␉␉rebase_location(base + segmentAddress, (char*)base, type);␊ |
| 890 | ␉␉␉␉␉␊ |
| 891 | ␉␉␉␉␉segmentAddress += tmp2 + sizeof(void*);␊ |
| 892 | ␉␉␉␉}␊ |
| 893 | ␉␉␉␉break;␊ |
| 894 | ␉␉␉default:␊ |
| 895 | ␉␉␉␉break;␊ |
| 896 | ␉␉}␊ |
| 897 | ␉␉i++;␊ |
| 898 | ␉}␊ |
| 899 | }␊ |
| 900 | ␊ |
| 901 | // Based on code from dylibinfo.cpp and ImageLoaderMachOCompressed.cpp␊ |
| 902 | // NOTE: this uses 32bit values, and not 64bit values. ␊ |
| 903 | // There is apossibility that this could cause issues,␊ |
| 904 | // however the macho file is 32 bit, so it shouldn't matter too much␊ |
| 905 | EFI_STATUS bind_macho(char* module, void* base, char* bind_stream, UInt32 size)␊ |
| 906 | {␊ |
| 907 | ␉return _bind_macho( module, base, bind_stream, size, NULL);␊ |
| 908 | }␊ |
| 909 | ␊ |
| 910 | static EFI_STATUS _bind_macho(char* module, void* base, char* bind_stream, UInt32 size, BundlePtr bundle)␊ |
| 911 | {␉␊ |
| 912 | ␉bind_stream += (UInt32)base;␊ |
| 913 | ␉␊ |
| 914 | ␉UInt8 immediate = 0;␊ |
| 915 | ␉UInt8 opcode = 0;␊ |
| 916 | ␉␊ |
| 917 | ␉UInt32 segmentAddress = 0;␊ |
| 918 | ␉␊ |
| 919 | ␉UInt32 address = 0;␊ |
| 920 | ␉␊ |
| 921 | ␉SInt32 addend = 0;␉␉␉// TODO: handle this␊ |
| 922 | ␉␊ |
| 923 | ␉const char* symbolName = NULL;␊ |
| 924 | ␉UInt32 symbolAddr = 0xFFFFFFFF;␊ |
| 925 | ␉␊ |
| 926 | ␉// Temperary variables␊ |
| 927 | ␉UInt8 bits = 0;␊ |
| 928 | ␉UInt32 tmp = 0;␊ |
| 929 | ␉UInt32 tmp2 = 0;␊ |
| 930 | ␉␊ |
| 931 | ␉UInt32 index = 0;␊ |
| 932 | ␉unsigned int i = 0;␊ |
| 933 | ␉␊ |
| 934 | ␉while(i < size)␊ |
| 935 | ␉{␊ |
| 936 | ␉␉immediate = bind_stream[i] & BIND_IMMEDIATE_MASK;␊ |
| 937 | ␉␉opcode = bind_stream[i] & BIND_OPCODE_MASK;␊ |
| 938 | ␉␉␊ |
| 939 | ␉␉␊ |
| 940 | ␉␉switch(opcode)␊ |
| 941 | ␉␉{␊ |
| 942 | ␉␉␉case BIND_OPCODE_DONE:␊ |
| 943 | ␉␉␉␉break;␊ |
| 944 | ␉␉␉␉␊ |
| 945 | ␉␉␉case BIND_OPCODE_SET_DYLIB_ORDINAL_IMM:␊ |
| 946 | {␊ |
| 947 | #if DEBUG_MODULES==2␊ |
| 948 | ␉␉␉␉SInt32 libraryOrdinal = immediate;␊ |
| 949 | ␉␉␉␉DBG("BIND_OPCODE_SET_DYLIB_ORDINAL_IMM: %d\n", libraryOrdinal);␊ |
| 950 | #endif␊ |
| 951 | ␉␉␉␉break;␊ |
| 952 | }␊ |
| 953 | ␉␉␉case BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB:␊ |
| 954 | {␊ |
| 955 | #if DEBUG_MODULES==2␊ |
| 956 | ␉␉␉␉SInt32 libraryOrdinal = 0;␊ |
| 957 | ␉␉␉␉UInt8 bits = 0;␊ |
| 958 | ␉␉␉␉do␊ |
| 959 | ␉␉␉␉{␊ |
| 960 | ␉␉␉␉␉libraryOrdinal |= (bind_stream[++i] & 0x7f) << bits;␊ |
| 961 | ␉␉␉␉␉bits += 7;␊ |
| 962 | ␉␉␉␉}␊ |
| 963 | ␉␉␉␉while(bind_stream[i] & 0x80);␊ |
| 964 | ␉␉␉␉␊ |
| 965 | ␉␉␉␉DBG("BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB: %d\n", libraryOrdinal);␊ |
| 966 | #else␊ |
| 967 | do␊ |
| 968 | ␉␉␉␉{␊ |
| 969 | ␉␉␉␉␉i++;␊ |
| 970 | ␉␉␉␉}␊ |
| 971 | ␉␉␉␉while(bind_stream[i] & 0x80);␊ |
| 972 | #endif␊ |
| 973 | ␉␉␉␉break;␊ |
| 974 | ␉␉␉}␉␊ |
| 975 | ␉␉␉case BIND_OPCODE_SET_DYLIB_SPECIAL_IMM:␊ |
| 976 | {␊ |
| 977 | #if DEBUG_MODULES==2␊ |
| 978 | // NOTE: this is wrong, fortunately we don't use it␊ |
| 979 | ␉␉␉␉SInt32 libraryOrdinal = -immediate;␊ |
| 980 | ␉␉␉␉DBG("BIND_OPCODE_SET_DYLIB_SPECIAL_IMM: %d\n", libraryOrdinal);␊ |
| 981 | #endif␉␉␊ |
| 982 | ␉␉␉␉break;␊ |
| 983 | ␉␉␉}␉␊ |
| 984 | ␉␉␉case BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM:␊ |
| 985 | {␊ |
| 986 | ␉␉␉␉symbolName = (char*)&bind_stream[++i];␊ |
| 987 | ␉␉␉␉i += strlen((char*)&bind_stream[i]);␊ |
| 988 | #if DEBUG_MODULES==2␊ |
| 989 | ␉␉␉␉UInt8 symbolFlags = immediate;␊ |
| 990 | DBG("BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM: %s, 0x%X\n", symbolName, symbolFlags);␊ |
| 991 | #endif␉␉␉␉␊ |
| 992 | ␉␉␉␉symbolAddr = 0xFFFFFFFF;␊ |
| 993 | ␉␉␉␉TagPtr prop;␊ |
| 994 | ␉␉␉␉␊ |
| 995 | ␉␉␉␉if (bundle != NULL)␊ |
| 996 | ␉␉␉␉{␊ |
| 997 | ␉␉␉␉␉prop = XMLGetProperty(bundle->dict, kPropOSBundleLibraries);␊ |
| 998 | ␉␉␉␉␉if (prop != 0)␊ |
| 999 | ␉␉␉␉␉{␊ |
| 1000 | ␉␉␉␉␉␉prop = prop->tag;␊ |
| 1001 | ␉␉␉␉␉␉while (prop != 0)␊ |
| 1002 | ␉␉␉␉␉␉{␊ |
| 1003 | ␉␉␉␉␉␉␉/* the order in OSBundleLibraries is important */␊ |
| 1004 | ␉␉␉␉␉␉␉␊ |
| 1005 | ␉␉␉␉␉␉␉if (prop->string)␊ |
| 1006 | ␉␉␉␉␉␉␉{␊ |
| 1007 | ␉␉␉␉␉␉␉␉symbolAddr = lookup_all_symbols(prop->string ,symbolName); ␊ |
| 1008 | ␉␉␉␉␉␉␉␉␊ |
| 1009 | ␉␉␉␉␉␉␉␉if (symbolAddr != 0xFFFFFFFF) break; // the symbol is found , we can exit the loop␊ |
| 1010 | ␉␉␉␉␉␉␉}␉␉␉␉␉␉␉␊ |
| 1011 | ␉␉␉␉␉␉␉␊ |
| 1012 | ␉␉␉␉␉␉␉prop = prop->tagNext;␊ |
| 1013 | ␉␉␉␉␉␉␉␊ |
| 1014 | ␉␉␉␉␉␉}␊ |
| 1015 | ␉␉␉␉␉}␊ |
| 1016 | ␉␉␉␉␉␊ |
| 1017 | ␉␉␉␉}␉␉␉␉␊ |
| 1018 | ␉␉␉␉␊ |
| 1019 | if (symbolAddr == 0xFFFFFFFF) symbolAddr = lookup_all_symbols(NULL ,symbolName); // at this point if the symbol is still undefined, we search everywhere by starting to the internal symbols␊ |
| 1020 | ␉␉␉␉␊ |
| 1021 | if((symbolAddr == 0xFFFFFFFF) && (strncmp(symbolName, SYMBOL_DYLD_STUB_BINDER,sizeof(SYMBOL_DYLD_STUB_BINDER)) != 0))␊ |
| 1022 | ␉␉␉␉{␉␉␉␉␉␊ |
| 1023 | ␉␉␉␉␉printf("Unable to bind symbol %s needed by %s\n", symbolName, module);␊ |
| 1024 | getc();␊ |
| 1025 | goto error;␊ |
| 1026 | ␊ |
| 1027 | ␉␉␉␉}␊ |
| 1028 | ␉␉␉␉␊ |
| 1029 | ␉␉␉␉break;␊ |
| 1030 | }␊ |
| 1031 | ␉␉␉case BIND_OPCODE_SET_TYPE_IMM:␊ |
| 1032 | {␊ |
| 1033 | ␉␉␉␉// Set bind type (pointer, absolute32, pcrel32)␊ |
| 1034 | #if DEBUG_MODULES==2␊ |
| 1035 | UInt8 type = immediate;␊ |
| 1036 | ␉␉␉␉DBG("BIND_OPCODE_SET_TYPE_IMM: %d\n", type);␊ |
| 1037 | #endif␊ |
| 1038 | ␉␉␉␉break;␊ |
| 1039 | }␊ |
| 1040 | ␉␉␉case BIND_OPCODE_SET_ADDEND_SLEB:␊ |
| 1041 | ␉␉␉␉addend = 0;␊ |
| 1042 | ␉␉␉␉bits = 0;␊ |
| 1043 | ␉␉␉␉do␊ |
| 1044 | ␉␉␉␉{␊ |
| 1045 | ␉␉␉␉␉addend |= (bind_stream[++i] & 0x7f) << bits;␊ |
| 1046 | ␉␉␉␉␉bits += 7;␊ |
| 1047 | ␉␉␉␉}␊ |
| 1048 | ␉␉␉␉while(bind_stream[i] & 0x80);␊ |
| 1049 | ␉␉␉␉␊ |
| 1050 | ␉␉␉␉if(!(bind_stream[i-1] & 0x40)) addend *= -1;␊ |
| 1051 | #if DEBUG_MODULES==2␊ |
| 1052 | ␉␉␉␉DBG("BIND_OPCODE_SET_ADDEND_SLEB: %d\n", addend);␊ |
| 1053 | #endif␊ |
| 1054 | ␊ |
| 1055 | ␉␉␉␉break;␊ |
| 1056 | ␉␉␉␉␊ |
| 1057 | ␉␉␉case BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB:␊ |
| 1058 | ␉␉␉{␉␉␉␉␊ |
| 1059 | ␉␉␉␉// Locate address␊ |
| 1060 | ␉␉␉␉struct segment_command* segCommand = NULL;␉// NOTE: 32bit only␊ |
| 1061 | ␉␉␉␉␊ |
| 1062 | ␉␉␉␉{␊ |
| 1063 | ␉␉␉␉␉unsigned int binIndex = 0;␊ |
| 1064 | ␉␉␉␉␉index = 0;␊ |
| 1065 | ␉␉␉␉␉do␊ |
| 1066 | ␉␉␉␉␉{␊ |
| 1067 | ␉␉␉␉␉␉segCommand = base + sizeof(struct mach_header) + binIndex;␊ |
| 1068 | ␉␉␉␉␉␉binIndex += segCommand->cmdsize;␊ |
| 1069 | ␉␉␉␉␉␉index++;␊ |
| 1070 | ␉␉␉␉␉}while(index <= immediate);␊ |
| 1071 | ␉␉␉␉}␊ |
| 1072 | ␉␉␉␉␊ |
| 1073 | ␉␉␉␉␊ |
| 1074 | ␉␉␉␉segmentAddress = segCommand->fileoff;␊ |
| 1075 | ␉␉␉␉␊ |
| 1076 | ␉␉␉␉// Read in offset␊ |
| 1077 | ␉␉␉␉tmp = 0;␊ |
| 1078 | ␉␉␉␉bits = 0;␊ |
| 1079 | ␉␉␉␉do␊ |
| 1080 | ␉␉␉␉{␊ |
| 1081 | ␉␉␉␉␉tmp |= (bind_stream[++i] & 0x7f) << bits;␊ |
| 1082 | ␉␉␉␉␉bits += 7;␊ |
| 1083 | ␉␉␉␉}while(bind_stream[i] & 0x80);␊ |
| 1084 | ␉␉␉␉␊ |
| 1085 | ␉␉␉␉segmentAddress += tmp;␊ |
| 1086 | #if DEBUG_MODULES==2␊ |
| 1087 | ␉␉␉␉DBG("BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB: 0x%X\n", segmentAddress);␊ |
| 1088 | #endif␊ |
| 1089 | ␉␉␉␉break;␊ |
| 1090 | ␉␉␉}␉␉␉␉␊ |
| 1091 | ␉␉␉case BIND_OPCODE_ADD_ADDR_ULEB:␊ |
| 1092 | ␉␉␉␉// Read in offset␊ |
| 1093 | ␉␉␉␉tmp = 0;␊ |
| 1094 | ␉␉␉␉bits = 0;␊ |
| 1095 | ␉␉␉␉do␊ |
| 1096 | ␉␉␉␉{␊ |
| 1097 | ␉␉␉␉␉tmp |= (bind_stream[++i] & 0x7f) << bits;␊ |
| 1098 | ␉␉␉␉␉bits += 7;␊ |
| 1099 | ␉␉␉␉}␊ |
| 1100 | ␉␉␉␉while(bind_stream[i] & 0x80);␊ |
| 1101 | ␉␉␉␉␊ |
| 1102 | ␉␉␉␉segmentAddress += tmp;␊ |
| 1103 | #if DEBUG_MODULES==2␊ |
| 1104 | ␉␉␉␉DBG("BIND_OPCODE_ADD_ADDR_ULEB: 0x%X\n", segmentAddress);␊ |
| 1105 | #endif␊ |
| 1106 | ␊ |
| 1107 | ␉␉␉␉break;␊ |
| 1108 | ␉␉␉␉␊ |
| 1109 | ␉␉␉case BIND_OPCODE_DO_BIND:␊ |
| 1110 | #if DEBUG_MODULES==2␊ |
| 1111 | ␉␉␉␉DBG("BIND_OPCODE_DO_BIND\n");␊ |
| 1112 | #endif ␊ |
| 1113 | ␊ |
| 1114 | if(symbolAddr != 0xFFFFFFFF)␊ |
| 1115 | ␉␉␉␉{␊ |
| 1116 | ␉␉␉␉␉address = segmentAddress + (UInt32)base;␊ |
| 1117 | ␉␉␉␉␉␊ |
| 1118 | ␉␉␉␉␉bind_location((UInt32*)address, (char*)symbolAddr, addend, BIND_TYPE_POINTER);␊ |
| 1119 | ␉␉␉␉}␊ |
| 1120 | ␉␉␉␉else if(symbolName && (strncmp(symbolName, SYMBOL_DYLD_STUB_BINDER,sizeof(SYMBOL_DYLD_STUB_BINDER)) != 0))␊ |
| 1121 | ␉␉␉␉{␊ |
| 1122 | ␉␉␉␉␉printf("Unable to bind symbol %s needed by %s\n", symbolName, module);␊ |
| 1123 | getc();␊ |
| 1124 | goto error;␊ |
| 1125 | ␊ |
| 1126 | ␉␉␉␉}␊ |
| 1127 | ␉␉␉␉␊ |
| 1128 | ␉␉␉␉segmentAddress += sizeof(void*);␊ |
| 1129 | ␉␉␉␉break;␊ |
| 1130 | ␉␉␉␉␊ |
| 1131 | ␉␉␉case BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB:␊ |
| 1132 | #if DEBUG_MODULES==2␊ |
| 1133 | ␉␉␉␉DBG("BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB\n");␊ |
| 1134 | #endif␉␉␊ |
| 1135 | ␉␉␉␉␊ |
| 1136 | ␉␉␉␉// Read in offset␊ |
| 1137 | ␉␉␉␉tmp = 0;␊ |
| 1138 | ␉␉␉␉bits = 0;␊ |
| 1139 | ␉␉␉␉do␊ |
| 1140 | ␉␉␉␉{␊ |
| 1141 | ␉␉␉␉␉tmp |= (bind_stream[++i] & 0x7f) << bits;␊ |
| 1142 | ␉␉␉␉␉bits += 7;␊ |
| 1143 | ␉␉␉␉}␊ |
| 1144 | ␉␉␉␉while(bind_stream[i] & 0x80);␊ |
| 1145 | ␉␉␉␉␊ |
| 1146 | ␊ |
| 1147 | if(symbolAddr != 0xFFFFFFFF)␊ |
| 1148 | ␉␉␉␉{␊ |
| 1149 | ␉␉␉␉␉address = segmentAddress + (UInt32)base;␊ |
| 1150 | ␉␉␉␉␉␊ |
| 1151 | ␉␉␉␉␉bind_location((UInt32*)address, (char*)symbolAddr, addend, BIND_TYPE_POINTER);␊ |
| 1152 | ␉␉␉␉}␊ |
| 1153 | ␉␉␉␉else if(symbolName && (strncmp(symbolName, SYMBOL_DYLD_STUB_BINDER,sizeof(SYMBOL_DYLD_STUB_BINDER)) != 0))␊ |
| 1154 | ␉␉␉␉{␊ |
| 1155 | ␉␉␉␉␉printf("Unable to bind symbol %s needed by %s\n", symbolName, module);␊ |
| 1156 | getc();␊ |
| 1157 | goto error; ␊ |
| 1158 | ␊ |
| 1159 | ␉␉␉␉}␊ |
| 1160 | ␊ |
| 1161 | ␉␉␉␉segmentAddress += tmp + sizeof(void*);␊ |
| 1162 | ␉␉␉␉␊ |
| 1163 | ␉␉␉␉␊ |
| 1164 | ␉␉␉␉break;␊ |
| 1165 | ␉␉␉␉␊ |
| 1166 | ␉␉␉case BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED:␊ |
| 1167 | #if DEBUG_MODULES==2␊ |
| 1168 | ␉␉␉␉DBG("BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED\n");␊ |
| 1169 | #endif␉␉␉␉␉␉␊ |
| 1170 | ␊ |
| 1171 | if(symbolAddr != 0xFFFFFFFF)␊ |
| 1172 | ␉␉␉␉{␊ |
| 1173 | ␉␉␉␉␉address = segmentAddress + (UInt32)base;␊ |
| 1174 | ␉␉␉␉␉␊ |
| 1175 | ␉␉␉␉␉bind_location((UInt32*)address, (char*)symbolAddr, addend, BIND_TYPE_POINTER);␊ |
| 1176 | ␉␉␉␉}␊ |
| 1177 | ␉␉␉␉else if(symbolName && (strncmp(symbolName, SYMBOL_DYLD_STUB_BINDER,sizeof(SYMBOL_DYLD_STUB_BINDER)) != 0))␊ |
| 1178 | ␉␉␉␉{␊ |
| 1179 | ␉␉␉␉␉printf("Unable to bind symbol %s needed by %s\n", symbolName, module);␊ |
| 1180 | getc();␊ |
| 1181 | goto error; ␊ |
| 1182 | ␊ |
| 1183 | ␉␉␉␉}␊ |
| 1184 | ␉␉␉␉segmentAddress += (immediate * sizeof(void*)) + sizeof(void*);␉␉␉␉␊ |
| 1185 | ␉␉␉␉␊ |
| 1186 | ␉␉␉␉break;␊ |
| 1187 | ␉␉␉␉␊ |
| 1188 | ␉␉␉case BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB:␊ |
| 1189 | ␉␉␉␉␊ |
| 1190 | ␉␉␉␉tmp = 0;␊ |
| 1191 | ␉␉␉␉bits = 0;␊ |
| 1192 | ␉␉␉␉do␊ |
| 1193 | ␉␉␉␉{␊ |
| 1194 | ␉␉␉␉␉tmp |= (bind_stream[++i] & 0x7f) << bits;␊ |
| 1195 | ␉␉␉␉␉bits += 7;␊ |
| 1196 | ␉␉␉␉}␊ |
| 1197 | ␉␉␉␉while(bind_stream[i] & 0x80);␊ |
| 1198 | ␉␉␉␉␊ |
| 1199 | ␉␉␉␉␊ |
| 1200 | ␉␉␉␉tmp2 = 0;␊ |
| 1201 | ␉␉␉␉bits = 0;␊ |
| 1202 | ␉␉␉␉do␊ |
| 1203 | ␉␉␉␉{␊ |
| 1204 | ␉␉␉␉␉tmp2 |= (bind_stream[++i] & 0x7f) << bits;␊ |
| 1205 | ␉␉␉␉␉bits += 7;␊ |
| 1206 | ␉␉␉␉}␊ |
| 1207 | ␉␉␉␉while(bind_stream[i] & 0x80);␊ |
| 1208 | ␉␉␉␉␊ |
| 1209 | #if DEBUG_MODULES==2␊ |
| 1210 | ␉␉␉␉DBG("BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0x%X 0x%X\n", tmp, tmp2);␊ |
| 1211 | #endif␉␉␉␉␊ |
| 1212 | ␊ |
| 1213 | if(symbolAddr != 0xFFFFFFFF)␊ |
| 1214 | ␉␉␉␉{␊ |
| 1215 | ␉␉␉␉␉for(index = 0; index < tmp; index++)␊ |
| 1216 | ␉␉␉␉␉{␊ |
| 1217 | ␉␉␉␉␉␉␊ |
| 1218 | ␉␉␉␉␉␉address = segmentAddress + (UInt32)base;␊ |
| 1219 | ␉␉␉␉␉␉␊ |
| 1220 | ␉␉␉␉␉␉bind_location((UInt32*)address, (char*)symbolAddr, addend, BIND_TYPE_POINTER);␊ |
| 1221 | ␉␉␉␉␉␉␊ |
| 1222 | ␉␉␉␉␉␉segmentAddress += tmp2 + sizeof(void*);␊ |
| 1223 | ␉␉␉␉␉}␊ |
| 1224 | ␉␉␉␉}␊ |
| 1225 | ␉␉␉␉else if(symbolName && (strncmp(symbolName, SYMBOL_DYLD_STUB_BINDER,sizeof(SYMBOL_DYLD_STUB_BINDER)) != 0))␊ |
| 1226 | ␉␉␉␉{␊ |
| 1227 | ␉␉␉␉␉printf("Unable to bind symbol %s needed by %s\n", symbolName, module);␊ |
| 1228 | getc();␊ |
| 1229 | goto error; ␊ |
| 1230 | ␊ |
| 1231 | ␉␉␉␉}␉␉␉␉␊ |
| 1232 | ␉␉␉␉␊ |
| 1233 | ␉␉␉␉break;␊ |
| 1234 | ␉␉␉default:␊ |
| 1235 | ␉␉␉␉break;␊ |
| 1236 | ␉␉␉␉␊ |
| 1237 | ␉␉}␊ |
| 1238 | ␉␉i++;␊ |
| 1239 | ␉}␊ |
| 1240 | return EFI_SUCCESS;␊ |
| 1241 | error:␊ |
| 1242 | return EFI_NOT_FOUND;␊ |
| 1243 | }␊ |
| 1244 | ␊ |
| 1245 | void rebase_location(UInt32* location, char* base, int type)␊ |
| 1246 | {␉␊ |
| 1247 | ␉switch(type)␊ |
| 1248 | ␉{␊ |
| 1249 | ␉␉case REBASE_TYPE_POINTER:␊ |
| 1250 | ␉␉case REBASE_TYPE_TEXT_ABSOLUTE32:␊ |
| 1251 | ␉␉␉*location += (UInt32)base;␊ |
| 1252 | ␉␉␉break;␊ |
| 1253 | ␉␉␉␊ |
| 1254 | ␉␉default:␊ |
| 1255 | ␉␉␉break;␊ |
| 1256 | ␉}␊ |
| 1257 | }␊ |
| 1258 | ␊ |
| 1259 | void bind_location(UInt32* location, char* value, UInt32 addend, int type)␊ |
| 1260 | {␉␊ |
| 1261 | ␉// do actual update␊ |
| 1262 | ␉char* newValue = value + addend;␊ |
| 1263 | ␉␊ |
| 1264 | ␉switch (type) {␊ |
| 1265 | ␉␉case BIND_TYPE_POINTER:␊ |
| 1266 | ␉␉case BIND_TYPE_TEXT_ABSOLUTE32:␊ |
| 1267 | ␉␉␉break;␊ |
| 1268 | ␉␉␉␊ |
| 1269 | ␉␉case BIND_TYPE_TEXT_PCREL32:␊ |
| 1270 | ␉␉␉newValue -= ((UInt32)location + 4);␊ |
| 1271 | ␉␉␉␊ |
| 1272 | ␉␉␉break;␊ |
| 1273 | ␉␉default:␊ |
| 1274 | ␉␉␉return;␊ |
| 1275 | ␉}␊ |
| 1276 | ␉*location = (UInt32)newValue;␊ |
| 1277 | ␉␊ |
| 1278 | ␉␊ |
| 1279 | }␊ |
| 1280 | ␊ |
| 1281 | /*␊ |
| 1282 | * add_symbol␊ |
| 1283 | * This function adds a symbol from a module to the list of known symbols ␊ |
| 1284 | * possibly change to a pointer and add this to the Symbol module so that it can␊ |
| 1285 | * adjust it's internal symbol list (sort) to optimize locating new symbols␊ |
| 1286 | * NOTE: returns the address if the symbol is "start", else returns 0xFFFFFFFF␊ |
| 1287 | */␊ |
| 1288 | #if macho_64␊ |
| 1289 | long long add_symbol(char* module,char* symbol, long long addr, char is64)␊ |
| 1290 | #else␊ |
| 1291 | long long add_symbol(char* module,char* symbol, long long addr)␊ |
| 1292 | #endif␊ |
| 1293 | {␊ |
| 1294 | #if macho_64␊ |
| 1295 | ␉if(is64) return 0xFFFFFFFF; // Fixme␊ |
| 1296 | #endif␊ |
| 1297 | ␉// This only can handle 32bit symbols ␊ |
| 1298 | ␉symbolList_t* new_entry= malloc(sizeof(symbolList_t));␊ |
| 1299 | ␉DBG("Adding symbol %s at 0x%X\n", symbol, addr);␊ |
| 1300 | ␉if (new_entry)␊ |
| 1301 | ␉{␉␊ |
| 1302 | ␉␉bzero(new_entry,sizeof(symbolList_t));␊ |
| 1303 | ␉␉␊ |
| 1304 | ␉␉new_entry->next = moduleSymbols;␊ |
| 1305 | ␉␉␊ |
| 1306 | ␉␉moduleSymbols = new_entry;␊ |
| 1307 | ␉␉␊ |
| 1308 | ␉␉new_entry->addr = (UInt32)addr;␊ |
| 1309 | new_entry->module = module;␊ |
| 1310 | ␉␉new_entry->symbol = symbol;␊ |
| 1311 | ␉␉return addr;␊ |
| 1312 | ␉}␉␊ |
| 1313 | ␉␊ |
| 1314 | ␉return 0xFFFFFFFF;␊ |
| 1315 | ␉␊ |
| 1316 | }␊ |
| 1317 | ␊ |
| 1318 | // Look for symbols using the Smbols moduel function.␊ |
| 1319 | // If non are found, look through the list of module symbols␊ |
| 1320 | unsigned int lookup_all_symbols(const char* module, const char* name)␊ |
| 1321 | {␊ |
| 1322 | ␊ |
| 1323 | unsigned int addr = 0xFFFFFFFF;␊ |
| 1324 | ␊ |
| 1325 | do {␊ |
| 1326 | ␊ |
| 1327 | if ((module != NULL) && (strncmp(module,SYMBOLS_BUNDLE,sizeof(SYMBOLS_BUNDLE)) != 0))␊ |
| 1328 | break; ␊ |
| 1329 | ␊ |
| 1330 | if(lookup_symbol && (UInt32)lookup_symbol != 0xFFFFFFFF)␊ |
| 1331 | {␊ |
| 1332 | addr = lookup_symbol(name, &strcmp);␊ |
| 1333 | if(addr != 0xFFFFFFFF)␊ |
| 1334 | {␊ |
| 1335 | DBG("Internal symbol %s located at 0x%X\n", name, addr);␊ |
| 1336 | goto out;␊ |
| 1337 | }␊ |
| 1338 | } ␊ |
| 1339 | ␊ |
| 1340 | } while (0);␊ |
| 1341 | ␊ |
| 1342 | ␊ |
| 1343 | ␉{␊ |
| 1344 | ␉␉symbolList_t* entry = moduleSymbols;␊ |
| 1345 | ␉␉while(entry)␊ |
| 1346 | ␉␉{␊ |
| 1347 | if ((module != NULL) && (strcmp(entry->module,module) != 0))␊ |
| 1348 | {␊ |
| 1349 | entry = entry->next;␊ |
| 1350 | continue; ␊ |
| 1351 | }␊ |
| 1352 | ␊ |
| 1353 | if(strcmp(entry->symbol, name) == 0)␊ |
| 1354 | {␊ |
| 1355 | DBG("External symbol %s located at 0x%X\n", name, entry->addr);␊ |
| 1356 | addr = entry->addr;␊ |
| 1357 | goto out;␊ |
| 1358 | }␊ |
| 1359 | else␊ |
| 1360 | {␊ |
| 1361 | entry = entry->next;␊ |
| 1362 | } ␊ |
| 1363 | ␊ |
| 1364 | ␉␉}␊ |
| 1365 | ␉}␊ |
| 1366 | ␉␊ |
| 1367 | #if DEBUG_MODULES␊ |
| 1368 | ␉if(strncmp(name, SYMBOL_DYLD_STUB_BINDER, sizeof(SYMBOL_DYLD_STUB_BINDER)) != 0)␊ |
| 1369 | ␉{␊ |
| 1370 | ␉␉verbose("Unable to locate symbol %s\n", name);␊ |
| 1371 | ␉␉getc();␊ |
| 1372 | ␉}␊ |
| 1373 | #endif␊ |
| 1374 | out:␊ |
| 1375 | return addr;␊ |
| 1376 | ␊ |
| 1377 | }␊ |
| 1378 | ␊ |
| 1379 | ␊ |
| 1380 | /*␊ |
| 1381 | * parse the symbol table␊ |
| 1382 | * Lookup any undefined symbols␊ |
| 1383 | */␊ |
| 1384 | #if macho_64␊ |
| 1385 | unsigned int handle_symtable(char *module, UInt32 base, struct symtab_command* symtabCommand, long long(*symbol_handler)(char*, char*, long long, char), char is64)␊ |
| 1386 | #else␊ |
| 1387 | unsigned int handle_symtable(char *module, UInt32 base, struct symtab_command* symtabCommand, long long(*symbol_handler)(char*, char*, long long))␊ |
| 1388 | #endif␊ |
| 1389 | {␉␉␊ |
| 1390 | ␉unsigned int module_start = 0xFFFFFFFF;␊ |
| 1391 | ␉␊ |
| 1392 | ␉UInt32 symbolIndex = 0;␊ |
| 1393 | if (!symtabCommand) {␊ |
| 1394 | return 0xFFFFFFFF;␊ |
| 1395 | }␊ |
| 1396 | ␉char* symbolString = base + (char*)symtabCommand->stroff;␊ |
| 1397 | #if macho_64␊ |
| 1398 | ␉if(!is64)␊ |
| 1399 | #endif␊ |
| 1400 | ␉{␊ |
| 1401 | ␉␉struct nlist* symbolEntry = (void*)base + symtabCommand->symoff;␊ |
| 1402 | ␉␉while(symbolIndex < symtabCommand->nsyms)␊ |
| 1403 | ␉␉{␉␉␉␉␉␉␊ |
| 1404 | ␉␉␉if(symbolEntry->n_value)␊ |
| 1405 | ␉␉␉{␉␉␉␉␊ |
| 1406 | ␉␉␉␉if(strstr(symbolString + symbolEntry->n_un.n_strx, "module_start") || (strncmp(symbolString + symbolEntry->n_un.n_strx, "start", sizeof("start")) == 0))␊ |
| 1407 | ␉␉␉␉{␊ |
| 1408 | ␉␉␉␉␉module_start = base + symbolEntry->n_value;␊ |
| 1409 | ␉␉␉␉␉DBG("n_value %x module_start %x\n", (unsigned)symbolEntry->n_value, (unsigned)module_start);␊ |
| 1410 | ␉␉␉␉}␊ |
| 1411 | ␉␉␉␉else␊ |
| 1412 | ␉␉␉␉{␊ |
| 1413 | #if macho_64␊ |
| 1414 | ␉␉␉␉␉symbol_handler(module, symbolString + symbolEntry->n_un.n_strx, (long long)base + symbolEntry->n_value, is64);␊ |
| 1415 | #else␊ |
| 1416 | ␉␉␉␉␉symbol_handler(module, symbolString + symbolEntry->n_un.n_strx, (long long)base + symbolEntry->n_value);␊ |
| 1417 | #endif␊ |
| 1418 | ␉␉␉␉␉␊ |
| 1419 | ␉␉␉␉}␊ |
| 1420 | #if DEBUG_MODULES␊ |
| 1421 | ␉␉␉␉bool isTexT = (((unsigned)symbolEntry->n_value > (unsigned)vmaddr) && ((unsigned)(vmaddr + vmsize) > (unsigned)symbolEntry->n_value ));␊ |
| 1422 | ␉␉␉␉printf("%s %s\n", isTexT ? "__TEXT :" : "__DATA(OR ANY) :", symbolString + symbolEntry->n_un.n_strx);␊ |
| 1423 | #if DEBUG_MODULES==2␉␊ |
| 1424 | ␉␉␉␉␊ |
| 1425 | ␉␉␉␉if(strcmp(symbolString + symbolEntry->n_un.n_strx, "_BootHelp_txt") == 0)␊ |
| 1426 | ␉␉␉␉{␊ |
| 1427 | ␉␉␉␉␉long long addr = (long long)base + symbolEntry->n_value;␊ |
| 1428 | ␉␉␉␉␉unsigned char *BootHelp = NULL;␊ |
| 1429 | ␉␉␉␉␉BootHelp = (unsigned char*)(UInt32)addr;␉␉␉␉␉␊ |
| 1430 | ␉␉␉␉␉printf("method 1: __DATA : BootHelp_txt[0] %x\n", BootHelp[0]);␊ |
| 1431 | ␉␉␉␉␉␊ |
| 1432 | ␉␉␉␉␉long long addr2 = symbolEntry->n_value;␊ |
| 1433 | ␉␉␉␉␉unsigned char *BootHelp2 = NULL;␊ |
| 1434 | ␉␉␉␉␉BootHelp2 = (unsigned char*)(UInt32)addr2;␉␉␉␉␉␊ |
| 1435 | ␉␉␉␉␉printf("method 2: __DATA : BootHelp_txt[0] %x\n", BootHelp2[0]);␊ |
| 1436 | ␉␉␉␉}␊ |
| 1437 | #endif␊ |
| 1438 | #endif␊ |
| 1439 | ␉␉␉␉␊ |
| 1440 | ␉␉␉}␊ |
| 1441 | ␉␉␉␊ |
| 1442 | ␉␉␉symbolEntry++;␊ |
| 1443 | ␉␉␉symbolIndex++;␉// TODO remove␊ |
| 1444 | ␉␉}␊ |
| 1445 | ␉}␊ |
| 1446 | #if macho_64␊ |
| 1447 | ␉else␊ |
| 1448 | ␉{␊ |
| 1449 | ␉␉struct nlist_64* symbolEntry = (void*)base + symtabCommand->symoff;␊ |
| 1450 | ␉␉// NOTE First entry is *not* correct, but we can ignore it (i'm getting radar:// right now)␉␊ |
| 1451 | ␉␉while(symbolIndex < symtabCommand->nsyms)␊ |
| 1452 | ␉␉{␉␊ |
| 1453 | ␉␉␉␊ |
| 1454 | ␉␉␉if(strstr(symbolString + symbolEntry->n_un.n_strx, "module_start") || (strncmp(symbolString + symbolEntry->n_un.n_strx, "start",sizeof("start")) == 0))␊ |
| 1455 | ␉␉␉{␊ |
| 1456 | ␉␉␉␉module_start = (unsigned int)(base + symbolEntry->n_value);␊ |
| 1457 | ␉␉␉}␊ |
| 1458 | ␉␉␉else␊ |
| 1459 | ␉␉␉{␊ |
| 1460 | ␉␉␉␉symbol_handler(module, symbolString + symbolEntry->n_un.n_strx, (long long)base + symbolEntry->n_value, is64);␊ |
| 1461 | ␉␉␉}␊ |
| 1462 | ␉␉␉␊ |
| 1463 | ␉␉␉symbolEntry++;␊ |
| 1464 | ␉␉␉symbolIndex++;␉// TODO remove␊ |
| 1465 | ␉␉}␊ |
| 1466 | ␉}␊ |
| 1467 | #endif␊ |
| 1468 | ␉␊ |
| 1469 | ␉return module_start;␊ |
| 1470 | ␉␊ |
| 1471 | }␊ |
| 1472 | ␊ |
| 1473 | ␊ |
| 1474 | /*␊ |
| 1475 | * Locate the symbol for an already loaded function and modify the beginning of␊ |
| 1476 | * the function to jump directly to the new one␊ |
| 1477 | * example: replace_system_function("_getc", &replacement);␊ |
| 1478 | * replace_function(module_name,"_getc", &replacement);␊ |
| 1479 | * replace_function_any("_getc", &replacement);␊ |
| 1480 | */␊ |
| 1481 | EFI_STATUS replace_function(const char* module, const char* symbol, void* newAddress)␊ |
| 1482 | {␉␉ ␊ |
| 1483 | ␉// TODO: look into using the next four bytes of the function instead␊ |
| 1484 | ␉// Most functions should support this, as they probably will be at ␊ |
| 1485 | ␉// least 10 bytes long, but you never know, this is sligtly safer as␊ |
| 1486 | ␉// function can be as small as 6 bytes.␊ |
| 1487 | ␉UInt32 addr = lookup_all_symbols(module, symbol);␊ |
| 1488 | ␉␊ |
| 1489 | ␉char* binary = (char*)addr;␊ |
| 1490 | ␉if(addr != 0xFFFFFFFF)␊ |
| 1491 | ␉{␊ |
| 1492 | ␉␉UInt32* jumpPointer = malloc(sizeof(UInt32));␊ |
| 1493 | ␉␉if (!jumpPointer) {␊ |
| 1494 | ␉␉␉return EFI_OUT_OF_RESOURCES;␊ |
| 1495 | ␉␉}␊ |
| 1496 | ␉␉bzero(jumpPointer,sizeof(UInt32));␊ |
| 1497 | ␉␉␊ |
| 1498 | ␉␉*binary++ = 0xFF;␉// Jump␊ |
| 1499 | ␉␉*binary++ = 0x25;␉// Long Jump␊ |
| 1500 | ␉␉*((UInt32*)binary) = (UInt32)jumpPointer;␊ |
| 1501 | ␉␉␊ |
| 1502 | ␉␉*jumpPointer = (UInt32)newAddress;␊ |
| 1503 | ␉␉␊ |
| 1504 | ␉␉return EFI_SUCCESS;␊ |
| 1505 | ␉}␊ |
| 1506 | ␉␊ |
| 1507 | ␉return EFI_NOT_FOUND;␊ |
| 1508 | ␉␊ |
| 1509 | }␊ |
| 1510 | ␊ |
| 1511 | EFI_STATUS replace_system_function(const char* symbol, void* newAddress)␊ |
| 1512 | {␉␉ ␊ |
| 1513 | ␉␊ |
| 1514 | ␉return replace_function(SYMBOLS_BUNDLE,symbol,newAddress);␊ |
| 1515 | ␉␊ |
| 1516 | }␊ |
| 1517 | ␊ |
| 1518 | EFI_STATUS replace_function_any(const char* symbol, void* newAddress)␊ |
| 1519 | {␉␉ ␊ |
| 1520 | ␉␊ |
| 1521 | ␉return replace_function(NULL,symbol,newAddress);␊ |
| 1522 | ␉␊ |
| 1523 | }␊ |
| 1524 | /*␊ |
| 1525 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
| 1526 | *␊ |
| 1527 | * @APPLE_LICENSE_HEADER_START@␊ |
| 1528 | * ␊ |
| 1529 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
| 1530 | * Reserved. This file contains Original Code and/or Modifications of␊ |
| 1531 | * Original Code as defined in and that are subject to the Apple Public␊ |
| 1532 | * Source License Version 2.0 (the 'License'). You may not use this file␊ |
| 1533 | * except in compliance with the License. Please obtain a copy of the␊ |
| 1534 | * License at http://www.apple.com/publicsource and read it before using␊ |
| 1535 | * this file.␊ |
| 1536 | * ␊ |
| 1537 | * The Original Code and all software distributed under the License are␊ |
| 1538 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 1539 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 1540 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 1541 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
| 1542 | * License for the specific language governing rights and limitations␊ |
| 1543 | * under the License.␊ |
| 1544 | * ␊ |
| 1545 | * @APPLE_LICENSE_HEADER_END@␊ |
| 1546 | */␊ |
| 1547 | /*␊ |
| 1548 | * drivers.c - Driver Loading Functions.␊ |
| 1549 | *␊ |
| 1550 | * Copyright (c) 2000 Apple Computer, Inc.␊ |
| 1551 | *␊ |
| 1552 | * DRI: Josh de Cesare␊ |
| 1553 | */␊ |
| 1554 | ␊ |
| 1555 | /*␊ |
| 1556 | * Copyright 2012 Cadet-petit Armel <armelcadetpetit@gmail.com>. All rights reserved.␊ |
| 1557 | *␊ |
| 1558 | * Cleaned, Added (runtime) bundles support.␊ |
| 1559 | *␊ |
| 1560 | */␊ |
| 1561 | #include <mach-o/fat.h>␊ |
| 1562 | #include <libkern/OSByteOrder.h>␊ |
| 1563 | #include <mach/machine.h>␊ |
| 1564 | ␊ |
| 1565 | ␊ |
| 1566 | ␊ |
| 1567 | ␊ |
| 1568 | enum {␊ |
| 1569 | ␉kCFBundleType2,␊ |
| 1570 | ␉kCFBundleType3␊ |
| 1571 | };␊ |
| 1572 | ␊ |
| 1573 | enum {␊ |
| 1574 | ␉BundlePriorityNull = 0,␊ |
| 1575 | ␉BundlePriorityInit = 1,␊ |
| 1576 | ␉BundlePrioritySystem = 2,␊ |
| 1577 | ␉BundlePrioritySystemLib = 3,␊ |
| 1578 | BundlePriorityNormalPriority = 4,␊ |
| 1579 | BundlePriorityLowestPriority = 99,␊ |
| 1580 | ␉BundlePriorityEnd = 100 // can not be assigned␊ |
| 1581 | ␊ |
| 1582 | };␊ |
| 1583 | ␊ |
| 1584 | static BundlePtr gBundleHead;␊ |
| 1585 | static char * gBundlesSpec;␊ |
| 1586 | static char * gDriverSpec;␊ |
| 1587 | static char * gFileSpec;␊ |
| 1588 | static char * gTempSpec;␊ |
| 1589 | static char * gFileName;␊ |
| 1590 | static int gLowestLoadPriority;␊ |
| 1591 | ␊ |
| 1592 | static long ParseXML(char *buffer, BundlePtr *module);␊ |
| 1593 | static BundlePtr FindBundle( char * bundle_id );␊ |
| 1594 | ␊ |
| 1595 | static void␊ |
| 1596 | FreeBundleSupport( void )␊ |
| 1597 | {␊ |
| 1598 | ␊ |
| 1599 | if ( gBundlesSpec ) free(gBundlesSpec);␊ |
| 1600 | if ( gDriverSpec) free(gDriverSpec);␊ |
| 1601 | if ( gFileSpec ) free(gFileSpec);␊ |
| 1602 | if ( gTempSpec ) free(gTempSpec);␊ |
| 1603 | if ( gFileName ) free(gFileName);␊ |
| 1604 | }␊ |
| 1605 | ␊ |
| 1606 | //==========================================================================␊ |
| 1607 | // InitBundleSupport␊ |
| 1608 | ␊ |
| 1609 | long␊ |
| 1610 | InitBundleSupport( void )␊ |
| 1611 | {␊ |
| 1612 | ␉DBG("InitBundleSupport\n");␊ |
| 1613 | ␊ |
| 1614 | static bool BundleSet = false;␊ |
| 1615 | ␊ |
| 1616 | if (BundleSet == true) return 0; ␊ |
| 1617 | ␊ |
| 1618 | gBundlesSpec = calloc( DEFAULT_BUNDLE_SPEC_SIZE, sizeof(char) );␊ |
| 1619 | gDriverSpec = calloc( DEFAULT_BUNDLE_SPEC_SIZE, sizeof(char) );␊ |
| 1620 | gFileSpec = calloc( DEFAULT_BUNDLE_SPEC_SIZE, sizeof(char) );␊ |
| 1621 | gTempSpec = calloc( DEFAULT_BUNDLE_SPEC_SIZE, sizeof(char) );␊ |
| 1622 | gFileName = calloc( DEFAULT_BUNDLE_SPEC_SIZE, sizeof(char) );␊ |
| 1623 | ␊ |
| 1624 | if ( !gBundlesSpec || !gDriverSpec || !gFileSpec || !gTempSpec || !gFileName )␊ |
| 1625 | goto error;␊ |
| 1626 | ␊ |
| 1627 | BundleSet = true;␊ |
| 1628 | ␊ |
| 1629 | return 0;␊ |
| 1630 | error:␊ |
| 1631 | FreeBundleSupport();␊ |
| 1632 | return 1;␊ |
| 1633 | }␊ |
| 1634 | ␊ |
| 1635 | //==========================================================================␊ |
| 1636 | // LoadBundles␊ |
| 1637 | ␊ |
| 1638 | long LoadBundles( char * dirSpec )␊ |
| 1639 | {␉␊ |
| 1640 | ␉DBG("LoadBundles\n");␊ |
| 1641 | ␊ |
| 1642 | if ( InitBundleSupport() != 0 )␊ |
| 1643 | return 1;␊ |
| 1644 | ␉␊ |
| 1645 | ␉␊ |
| 1646 | ␉strlcpy(gBundlesSpec, dirSpec, DEFAULT_BUNDLE_SPEC_SIZE);␊ |
| 1647 | strlcat(gBundlesSpec, "Modules", DEFAULT_BUNDLE_SPEC_SIZE);␊ |
| 1648 | FileLoadBundles(gBundlesSpec, 0);␉␉␊ |
| 1649 | ␊ |
| 1650 | ␉␊ |
| 1651 | MatchBundlesLibraries();␊ |
| 1652 | ␉␊ |
| 1653 | LoadMatchedBundles();␊ |
| 1654 | ␊ |
| 1655 | ␉DBG("LoadBundles Finished\n");␊ |
| 1656 | ␊ |
| 1657 | return 0;␊ |
| 1658 | }␊ |
| 1659 | ␊ |
| 1660 | //==========================================================================␊ |
| 1661 | // FileLoadBundles␊ |
| 1662 | long␊ |
| 1663 | FileLoadBundles( char * dirSpec, long plugin )␊ |
| 1664 | {␊ |
| 1665 | long ret, length, flags, time, bundleType;␊ |
| 1666 | long long␉ index;␊ |
| 1667 | long result = -1;␊ |
| 1668 | const char * name;␊ |
| 1669 | ␊ |
| 1670 | ␉DBG("FileLoadBundles in %s\n",dirSpec);␊ |
| 1671 | ␊ |
| 1672 | index = 0;␊ |
| 1673 | while (1) {␊ |
| 1674 | ret = GetDirEntry(dirSpec, &index, &name, &flags, &time);␊ |
| 1675 | if (ret == -1) break;␊ |
| 1676 | ␉␉␊ |
| 1677 | // Make sure this is a directory.␊ |
| 1678 | if ((flags & kFileTypeMask) != kFileTypeDirectory) continue;␊ |
| 1679 | ␊ |
| 1680 | // Make sure this is a kext.␊ |
| 1681 | length = strlen(name);␊ |
| 1682 | if (strncmp(name + length - 7, ".bundle",7)) continue;␊ |
| 1683 | ␉␉␊ |
| 1684 | // Save the file name.␊ |
| 1685 | strlcpy(gFileName, name, DEFAULT_BUNDLE_SPEC_SIZE);␊ |
| 1686 | ␉␉DBG("Load Bundles %s\n",gFileName);␊ |
| 1687 | ␊ |
| 1688 | // Determine the bundle type.␊ |
| 1689 | snprintf(gTempSpec,DEFAULT_BUNDLE_SPEC_SIZE,"%s/%s", dirSpec, gFileName);␊ |
| 1690 | ret = GetFileInfo(gTempSpec, "Contents", &flags, &time);␊ |
| 1691 | if (ret == 0) bundleType = kCFBundleType2;␊ |
| 1692 | else bundleType = kCFBundleType3;␊ |
| 1693 | ␉␉␊ |
| 1694 | ␉␉DBG("Bundles type = %d\n",bundleType);␊ |
| 1695 | ␊ |
| 1696 | if (!plugin)␊ |
| 1697 | snprintf(gDriverSpec, DEFAULT_BUNDLE_SPEC_SIZE,"%s/%s/%sPlugIns", dirSpec, gFileName,␊ |
| 1698 | ␉␉␉␉␉ (bundleType == kCFBundleType2) ? "Contents/" : "");␊ |
| 1699 | ␉␉␊ |
| 1700 | ret = LoadBundlePList( dirSpec, gFileName, bundleType);␊ |
| 1701 | ␉␉␊ |
| 1702 | if (result != 0)␊ |
| 1703 | ␉␉␉result = ret;␊ |
| 1704 | ␉␉␊ |
| 1705 | if (!plugin) ␊ |
| 1706 | ␉␉␉FileLoadBundles(gDriverSpec, 1);␊ |
| 1707 | }␊ |
| 1708 | ␉␊ |
| 1709 | return result;␊ |
| 1710 | }␊ |
| 1711 | ␊ |
| 1712 | ␊ |
| 1713 | static void add_bundle(BundlePtr module,char* name)␊ |
| 1714 | {␊ |
| 1715 | ␉BundlePtr new_entry= malloc(sizeof(Bundle));␊ |
| 1716 | ␉DBG("Adding bundle %s \n", name );␊ |
| 1717 | ␉if (new_entry)␊ |
| 1718 | ␉{␉␊ |
| 1719 | ␉␉bzero(new_entry,sizeof(Bundle));␊ |
| 1720 | ␉␉␊ |
| 1721 | ␉␉new_entry->nextBundle = gBundleHead;␊ |
| 1722 | ␉␉␊ |
| 1723 | ␉␉gBundleHead = new_entry;␊ |
| 1724 | ␉␉␊ |
| 1725 | ␉␉new_entry->executablePath = module->executablePath;␊ |
| 1726 | new_entry->bundlePath = module->bundlePath;␊ |
| 1727 | new_entry->bundlePathLength = module->bundlePathLength;␊ |
| 1728 | new_entry->plistAddr = module->plistAddr;␊ |
| 1729 | new_entry->willLoad = module->willLoad;␊ |
| 1730 | new_entry->dict = module->dict;␊ |
| 1731 | new_entry->plistLength = module->plistLength;␊ |
| 1732 | new_entry->personalities = module->personalities;␊ |
| 1733 | ␊ |
| 1734 | ␉}␉␊ |
| 1735 | ␉␊ |
| 1736 | }␊ |
| 1737 | ␊ |
| 1738 | //==========================================================================␊ |
| 1739 | // LoadBundlePList␊ |
| 1740 | ␊ |
| 1741 | long␊ |
| 1742 | LoadBundlePList( char * dirSpec, char * name, long bundleType )␊ |
| 1743 | {␊ |
| 1744 | long length, executablePathLength, bundlePathLength;␊ |
| 1745 | BundlePtr module = 0;␊ |
| 1746 | char * buffer = 0;␊ |
| 1747 | char * tmpExecutablePath = 0;␊ |
| 1748 | char * tmpBundlePath = 0;␊ |
| 1749 | long ret = -1;␊ |
| 1750 | ␉DBG("LoadBundlePList\n");␊ |
| 1751 | ␊ |
| 1752 | do {␊ |
| 1753 | // Save the driver path.␊ |
| 1754 | ␊ |
| 1755 | snprintf(gFileSpec,DEFAULT_BUNDLE_SPEC_SIZE,"%s/%s/%s", dirSpec, name,␊ |
| 1756 | ␉␉␉␉ (bundleType == kCFBundleType2) ? "Contents/MacOS/" : "");␊ |
| 1757 | executablePathLength = strlen(gFileSpec) + 1;␊ |
| 1758 | ␉␉␊ |
| 1759 | tmpExecutablePath = calloc(executablePathLength,sizeof(char));␊ |
| 1760 | if (tmpExecutablePath == 0) break;␊ |
| 1761 | ␊ |
| 1762 | strlcpy(tmpExecutablePath, gFileSpec, executablePathLength);␊ |
| 1763 | ␊ |
| 1764 | snprintf(gFileSpec, DEFAULT_BUNDLE_SPEC_SIZE,"%s/%s", dirSpec, name);␊ |
| 1765 | bundlePathLength = strlen(gFileSpec) + 1;␊ |
| 1766 | ␉␉␊ |
| 1767 | tmpBundlePath = calloc(bundlePathLength,sizeof(char));␊ |
| 1768 | if (tmpBundlePath == 0) break;␊ |
| 1769 | ␉␉␊ |
| 1770 | strlcpy(tmpBundlePath, gFileSpec, bundlePathLength);␊ |
| 1771 | ␊ |
| 1772 | ␊ |
| 1773 | // Construct the file spec to the plist, then load it.␊ |
| 1774 | ␉␉␊ |
| 1775 | snprintf(gFileSpec, DEFAULT_BUNDLE_SPEC_SIZE,"%s/%s/%sInfo.plist", dirSpec, name,␊ |
| 1776 | ␉␉␉␉ (bundleType == kCFBundleType2) ? "Contents/" : "");␊ |
| 1777 | ␉␉␊ |
| 1778 | ␉␉DBG("Loading Bundle PList %s\n",gFileSpec);␊ |
| 1779 | ␊ |
| 1780 | length = LoadFile(gFileSpec);␊ |
| 1781 | if (length == -1) break;␊ |
| 1782 | ␉␉␊ |
| 1783 | length = length + 1;␊ |
| 1784 | buffer = malloc(length);␊ |
| 1785 | if (buffer == 0) break;␊ |
| 1786 | ␉␉␊ |
| 1787 | ␉␉bzero(buffer, length);␊ |
| 1788 | ␉␉␊ |
| 1789 | strlcpy(buffer, (char *)kLoadAddr, length);␊ |
| 1790 | ␉␉␊ |
| 1791 | // Parse the plist.␊ |
| 1792 | ␉␉␊ |
| 1793 | ret = ParseXML(buffer, &module);␊ |
| 1794 | if (ret != 0 ) { printf("Unable to read plist of %s",name); break; }␊ |
| 1795 | ␉␉␊ |
| 1796 | ␉␉if (!module) {ret = -1;break;} // Should never happen but it will make the compiler happy␊ |
| 1797 | ␊ |
| 1798 | // Allocate memory for the driver path and the plist.␊ |
| 1799 | ␊ |
| 1800 | module->executablePath = tmpExecutablePath;␊ |
| 1801 | module->bundlePath = tmpBundlePath;␊ |
| 1802 | module->bundlePathLength = bundlePathLength;␊ |
| 1803 | module->plistAddr = malloc(length);␊ |
| 1804 | ␉␉␊ |
| 1805 | if ((module->executablePath == 0) || (module->bundlePath == 0) || (module->plistAddr == 0))␊ |
| 1806 | {␊ |
| 1807 | if ( module->plistAddr ) free(module->plistAddr);␊ |
| 1808 | ␉␉␉ret = -1;␊ |
| 1809 | break;␊ |
| 1810 | } ␊ |
| 1811 | ␉␉bzero(module->plistAddr, length);␊ |
| 1812 | ␉␉␊ |
| 1813 | // Add the plist to the module.␊ |
| 1814 | ␉␉␊ |
| 1815 | strlcpy(module->plistAddr, (char *)kLoadAddr, length);␊ |
| 1816 | module->plistLength = length;␊ |
| 1817 | ␉␉␊ |
| 1818 | // Add the module to the module list.␊ |
| 1819 | ␊ |
| 1820 | add_bundle(module, name); ␊ |
| 1821 | ␊ |
| 1822 | ␊ |
| 1823 | ret = 0;␊ |
| 1824 | }␊ |
| 1825 | while (0);␊ |
| 1826 | ␊ |
| 1827 | if ( buffer ) free( buffer );␊ |
| 1828 | if ( module ) free( module );␊ |
| 1829 | ␊ |
| 1830 | if (ret != 0) {␊ |
| 1831 | if ( tmpExecutablePath ) free( tmpExecutablePath );␊ |
| 1832 | if ( tmpBundlePath ) free( tmpBundlePath );␊ |
| 1833 | }␉␊ |
| 1834 | return ret;␊ |
| 1835 | }␊ |
| 1836 | ␊ |
| 1837 | #define WillLoadBundles \␊ |
| 1838 | module = gBundleHead; \␊ |
| 1839 | while (module != NULL) \␊ |
| 1840 | { \␊ |
| 1841 | if (module->willLoad == willLoad) \␊ |
| 1842 | { \␊ |
| 1843 | prop = XMLGetProperty(module->dict, kPropCFBundleExecutable); \␊ |
| 1844 | \␊ |
| 1845 | if (prop != 0) \␊ |
| 1846 | { \␊ |
| 1847 | fileName = prop->string; \␊ |
| 1848 | snprintf(gFileSpec, DEFAULT_BUNDLE_SPEC_SIZE,"%s%s", module->executablePath, fileName); \␊ |
| 1849 | \␊ |
| 1850 | module_start = (void*)load_module((char*)fileName,gFileSpec,module); \␊ |
| 1851 | if(!module_start || (*module_start == (void*)0xFFFFFFFF)) \␊ |
| 1852 | { \␊ |
| 1853 | if (module->willLoad > BundlePrioritySystemLib) \␊ |
| 1854 | { \␊ |
| 1855 | module->willLoad = BundlePriorityNull ; \␊ |
| 1856 | printf("Unable to start %s\n", gFileSpec); \␊ |
| 1857 | } \␊ |
| 1858 | } else module_start(); \␊ |
| 1859 | if (module->willLoad == BundlePrioritySystem) \␊ |
| 1860 | { \␊ |
| 1861 | lookup_symbol = (void*)lookup_all_symbols(SYMBOLS_BUNDLE,SYMBOL_LOOKUP_SYMBOL); \␊ |
| 1862 | if((UInt32)lookup_symbol != 0xFFFFFFFF) \␊ |
| 1863 | { \␊ |
| 1864 | msglog("%s successfully Loaded.\n", gFileSpec); \␊ |
| 1865 | } else return -1; \␊ |
| 1866 | } \␊ |
| 1867 | } \␊ |
| 1868 | } \␊ |
| 1869 | module = module->nextBundle; \␊ |
| 1870 | } ␊ |
| 1871 | ␊ |
| 1872 | //==========================================================================␊ |
| 1873 | // LoadMatchedBundles␊ |
| 1874 | ␊ |
| 1875 | long LoadMatchedBundles( void )␊ |
| 1876 | {␊ |
| 1877 | TagPtr prop;␊ |
| 1878 | BundlePtr module;␊ |
| 1879 | char *fileName;␊ |
| 1880 | void (*module_start)(void);␊ |
| 1881 | long willLoad;␊ |
| 1882 | ␊ |
| 1883 | ␉DBG("LoadMatchedBundles\n");␊ |
| 1884 | ␊ |
| 1885 | ␉int priority_end = MIN(gLowestLoadPriority+1, BundlePriorityEnd);␊ |
| 1886 | ␊ |
| 1887 | for (willLoad = BundlePrioritySystem; willLoad < priority_end ; willLoad++)␊ |
| 1888 | {␊ |
| 1889 | ␊ |
| 1890 | WillLoadBundles ;␊ |
| 1891 | ␊ |
| 1892 | }␊ |
| 1893 | ␊ |
| 1894 | return 0;␊ |
| 1895 | }␊ |
| 1896 | ␊ |
| 1897 | //==========================================================================␊ |
| 1898 | // MatchBundlesLibraries␊ |
| 1899 | ␊ |
| 1900 | long MatchBundlesLibraries( void )␊ |
| 1901 | {␊ |
| 1902 | ␊ |
| 1903 | TagPtr prop, prop2;␊ |
| 1904 | BundlePtr module, module2,dummy_module;␊ |
| 1905 | ␉␊ |
| 1906 | // Check for active modules with the same Bundle IDs or same principal class, only one must remain (except for type 3 aka system libs)␊ |
| 1907 | {␊ |
| 1908 | module = gBundleHead;␊ |
| 1909 | ␊ |
| 1910 | while (module != 0)␊ |
| 1911 | {␊ |
| 1912 | if (!(module->willLoad > BundlePriorityInit)) // if the module load priority is not higher than initialized, continue␊ |
| 1913 | {␊ |
| 1914 | module = module->nextBundle;␊ |
| 1915 | continue;␊ |
| 1916 | }␊ |
| 1917 | ␊ |
| 1918 | prop = XMLGetProperty(module->dict, kPropNSPrincipalClass);␊ |
| 1919 | prop2 = XMLGetProperty(module->dict, kPropCFBundleIdentifier); ␊ |
| 1920 | ␊ |
| 1921 | if (prop != 0 && prop2 != 0)␊ |
| 1922 | { ␊ |
| 1923 | module2 = gBundleHead;␊ |
| 1924 | ␊ |
| 1925 | TagPtr prop3,prop4;␊ |
| 1926 | ␊ |
| 1927 | while (module2 != 0)␊ |
| 1928 | {␊ |
| 1929 | prop3 = XMLGetProperty(module2->dict, kPropNSPrincipalClass);␊ |
| 1930 | prop4 = XMLGetProperty(module2->dict, kPropCFBundleIdentifier); ␊ |
| 1931 | ␊ |
| 1932 | if ((prop3 != 0) && (prop4 != 0) && (module != module2))␊ |
| 1933 | {␊ |
| 1934 | ␊ |
| 1935 | if ((module2->willLoad == BundlePrioritySystemLib) && ((strcmp(prop2->string, prop4->string)!= 0) /*&& (!strcmp(prop->string, prop3->string))*/)) {␊ |
| 1936 | continue;␊ |
| 1937 | }␊ |
| 1938 | ␊ |
| 1939 | if ((!strcmp(prop2->string, prop4->string)) || (!strcmp(prop->string, prop3->string))) {␊ |
| 1940 | if (module2->willLoad > BundlePriorityNull) module2->willLoad = BundlePriorityNull;␊ |
| 1941 | }␊ |
| 1942 | ␊ |
| 1943 | }␊ |
| 1944 | module2 = module2->nextBundle;␊ |
| 1945 | } ␊ |
| 1946 | ␊ |
| 1947 | }␊ |
| 1948 | ␊ |
| 1949 | module = module->nextBundle;␊ |
| 1950 | }␊ |
| 1951 | }␊ |
| 1952 | ␊ |
| 1953 | // Check for dependencies (it works in most cases, still a little buggy but should be sufficient for what we have to do, ␊ |
| 1954 | ␉// clearly the Achilles' heel of this implementation, please use dependencies with caution !!!)␊ |
| 1955 | dummy_module = gBundleHead;␊ |
| 1956 | while (dummy_module != 0)␊ |
| 1957 | {␊ |
| 1958 | module = gBundleHead;␊ |
| 1959 | ␊ |
| 1960 | while (module != 0)␊ |
| 1961 | {␊ |
| 1962 | if (module->willLoad > BundlePrioritySystemLib)␊ |
| 1963 | { ␊ |
| 1964 | prop = XMLGetProperty(module->dict, kPropOSBundleLibraries);␊ |
| 1965 | if (prop != 0)␊ |
| 1966 | {␊ |
| 1967 | prop = prop->tag;␊ |
| 1968 | while (prop != 0)␊ |
| 1969 | {␊ |
| 1970 | module2 = gBundleHead;␊ |
| 1971 | while (module2 != 0)␊ |
| 1972 | {␊ |
| 1973 | prop2 = XMLGetProperty(module2->dict, kPropCFBundleIdentifier);␊ |
| 1974 | if ((prop2 != 0) && (!strncmp(prop->string, prop2->string, strlen( prop->string))))␊ |
| 1975 | {␊ |
| 1976 | // found a parent␊ |
| 1977 | ␊ |
| 1978 | if (module2->willLoad > BundlePriorityInit)␊ |
| 1979 | { ␊ |
| 1980 | // parent is active␊ |
| 1981 | if (module->willLoad == BundlePriorityNull) {␊ |
| 1982 | module->willLoad = BundlePriorityNormalPriority;␊ |
| 1983 | } ␊ |
| 1984 | ␊ |
| 1985 | // Check if the version of the parent >= version of the child␊ |
| 1986 | if (strtol(XMLCastString ( XMLGetProperty(module2->dict,"CFBundleShortVersionString") ), NULL, 10) >= strtol(XMLCastString( prop->tag ), NULL, 10)) {␊ |
| 1987 | ␊ |
| 1988 | if ((module2->willLoad >= module->willLoad) && (module->willLoad > BundlePrioritySystemLib))␊ |
| 1989 | ␉␉␉␉␉␉␉␉␉␉␉module->willLoad = MIN(MAX(module->willLoad, module2->willLoad+1), BundlePriorityLowestPriority); // child must be loaded after the parent, this allow the to find symbols of the parent while we bind the child.␊ |
| 1990 | ␊ |
| 1991 | } else {␊ |
| 1992 | module->willLoad = BundlePriorityNull;␊ |
| 1993 | goto nextmodule;␊ |
| 1994 | }␊ |
| 1995 | break;␊ |
| 1996 | }␊ |
| 1997 | ␊ |
| 1998 | }␊ |
| 1999 | ␉␉␉␉␉␉␉if (module->willLoad != BundlePriorityNull) module->willLoad = BundlePriorityNull;␊ |
| 2000 | module2 = module2->nextBundle;␊ |
| 2001 | }␊ |
| 2002 | if (module->willLoad == BundlePriorityNull) goto nextmodule;␊ |
| 2003 | prop = prop->tagNext;␊ |
| 2004 | }␊ |
| 2005 | }␊ |
| 2006 | }␊ |
| 2007 | nextmodule:␊ |
| 2008 | module = module->nextBundle;␊ |
| 2009 | }␊ |
| 2010 | ␊ |
| 2011 | ␉␉dummy_module = dummy_module->nextBundle;␊ |
| 2012 | }␉␊ |
| 2013 | ␉␊ |
| 2014 | // Get the lowest load priority␊ |
| 2015 | {␊ |
| 2016 | gLowestLoadPriority = BundlePriorityNormalPriority;␊ |
| 2017 | module = gBundleHead;␊ |
| 2018 | ␊ |
| 2019 | while (module != 0)␊ |
| 2020 | {␊ |
| 2021 | if (module->willLoad > BundlePriorityInit)␊ |
| 2022 | { ␊ |
| 2023 | gLowestLoadPriority = MIN(MAX(module->willLoad,gLowestLoadPriority), BundlePriorityLowestPriority); ␊ |
| 2024 | }␊ |
| 2025 | module = module->nextBundle;␊ |
| 2026 | }␊ |
| 2027 | }␊ |
| 2028 | ␊ |
| 2029 | return 0;␊ |
| 2030 | }␊ |
| 2031 | ␊ |
| 2032 | ␊ |
| 2033 | //==========================================================================␊ |
| 2034 | // FindBundle␊ |
| 2035 | ␊ |
| 2036 | static BundlePtr␊ |
| 2037 | FindBundle( char * bundle_id )␊ |
| 2038 | {␊ |
| 2039 | BundlePtr module;␊ |
| 2040 | TagPtr prop;␊ |
| 2041 | ␉DBG("FindBundle %s\n",bundle_id);␊ |
| 2042 | ␊ |
| 2043 | module = gBundleHead;␊ |
| 2044 | ␊ |
| 2045 | while (module != 0)␊ |
| 2046 | {␊ |
| 2047 | prop = XMLGetProperty(module->dict, kPropCFBundleIdentifier);␊ |
| 2048 | if ((prop != 0) && !strcmp(bundle_id, prop->string)) break;␊ |
| 2049 | module = module->nextBundle;␊ |
| 2050 | }␊ |
| 2051 | ␊ |
| 2052 | return module;␊ |
| 2053 | }␊ |
| 2054 | ␊ |
| 2055 | //==========================================================================␊ |
| 2056 | // GetBundleDict␊ |
| 2057 | ␊ |
| 2058 | void *␊ |
| 2059 | GetBundleDict( char * bundle_id )␊ |
| 2060 | {␊ |
| 2061 | BundlePtr module;␊ |
| 2062 | ␉DBG("GetBundleDict %s\n",bundle_id);␊ |
| 2063 | ␊ |
| 2064 | module = FindBundle( bundle_id );␊ |
| 2065 | ␊ |
| 2066 | if (module != 0)␊ |
| 2067 | {␊ |
| 2068 | return (void *)module->dict;␊ |
| 2069 | }␊ |
| 2070 | ␊ |
| 2071 | return 0;␊ |
| 2072 | }␊ |
| 2073 | ␊ |
| 2074 | //==========================================================================␊ |
| 2075 | // GetBundlePersonality␊ |
| 2076 | ␊ |
| 2077 | void *␊ |
| 2078 | GetBundlePersonality( char * bundle_id )␊ |
| 2079 | {␊ |
| 2080 | BundlePtr module;␊ |
| 2081 | ␉DBG("GetBundlePersonalities %s\n",bundle_id);␊ |
| 2082 | ␊ |
| 2083 | module = FindBundle( bundle_id );␊ |
| 2084 | ␊ |
| 2085 | if (module != 0)␊ |
| 2086 | {␊ |
| 2087 | return (void *)module->personalities;␊ |
| 2088 | }␊ |
| 2089 | ␊ |
| 2090 | return 0;␊ |
| 2091 | }␊ |
| 2092 | ␊ |
| 2093 | //==========================================================================␊ |
| 2094 | // GetBundlePath␊ |
| 2095 | ␊ |
| 2096 | char *␊ |
| 2097 | GetBundlePath( char * bundle_id )␊ |
| 2098 | {␊ |
| 2099 | BundlePtr module;␊ |
| 2100 | ␉DBG("GetBundlePath %s\n",bundle_id);␊ |
| 2101 | ␊ |
| 2102 | module = FindBundle( bundle_id );␊ |
| 2103 | ␊ |
| 2104 | if (module != 0)␊ |
| 2105 | {␊ |
| 2106 | return module->bundlePath;␊ |
| 2107 | }␊ |
| 2108 | ␊ |
| 2109 | return 0;␊ |
| 2110 | }␊ |
| 2111 | ␊ |
| 2112 | //==========================================================================␊ |
| 2113 | // ParseXML␊ |
| 2114 | ␊ |
| 2115 | static long␊ |
| 2116 | ParseXML( char * buffer, BundlePtr * module )␊ |
| 2117 | {␊ |
| 2118 | ␉long length, pos;␊ |
| 2119 | ␉TagPtr moduleDict, prop;␊ |
| 2120 | ␉BundlePtr tmpBundle;␊ |
| 2121 | ␉␊ |
| 2122 | pos = 0;␊ |
| 2123 | ␉DBG("ParseXML\n");␊ |
| 2124 | ␊ |
| 2125 | ␉if (!module) {␊ |
| 2126 | return -1;␊ |
| 2127 | }␊ |
| 2128 | ␉␊ |
| 2129 | while (1)␊ |
| 2130 | {␊ |
| 2131 | length = XMLParseNextTag(buffer + pos, &moduleDict);␊ |
| 2132 | if (length == -1) break;␊ |
| 2133 | ␉␉␊ |
| 2134 | pos += length;␊ |
| 2135 | ␉␉␊ |
| 2136 | if (moduleDict == 0) continue;␊ |
| 2137 | if (moduleDict->type == kTagTypeDict) break;␊ |
| 2138 | ␉␉␊ |
| 2139 | XMLFreeTag(moduleDict);␊ |
| 2140 | }␊ |
| 2141 | ␉␊ |
| 2142 | if (length == -1) ␊ |
| 2143 | {␊ |
| 2144 | return -1;␊ |
| 2145 | }␊ |
| 2146 | ␉␊ |
| 2147 | ␊ |
| 2148 | tmpBundle = malloc(sizeof(Bundle));␊ |
| 2149 | if (tmpBundle == 0)␊ |
| 2150 | {␊ |
| 2151 | XMLFreeTag(moduleDict);␊ |
| 2152 | return -1;␊ |
| 2153 | }␊ |
| 2154 | ␉bzero(tmpBundle, sizeof(Bundle));␊ |
| 2155 | ␉␊ |
| 2156 | tmpBundle->dict = moduleDict;␊ |
| 2157 | ␊ |
| 2158 | do {␊ |
| 2159 | prop = XMLGetProperty(moduleDict, kPropOSBundleEnabled);␊ |
| 2160 | if ((prop != 0) && prop->string)␊ |
| 2161 | {␊ |
| 2162 | if ( (strlen(prop->string) >= 1) && (prop->string[0] == 'N' || prop->string[0] == 'n') )␊ |
| 2163 | {␊ |
| 2164 | tmpBundle->willLoad = 0;␊ |
| 2165 | break;␊ |
| 2166 | }␊ |
| 2167 | }␊ |
| 2168 | prop = XMLGetProperty(moduleDict, kPropNSPrincipalClass);␊ |
| 2169 | if ((prop != 0) && prop->string)␊ |
| 2170 | {␊ |
| 2171 | if (!strncmp(prop->string,SYSLIB_CLASS, sizeof(SYSLIB_CLASS))) ␊ |
| 2172 | {␊ |
| 2173 | tmpBundle->willLoad = BundlePrioritySystemLib;␊ |
| 2174 | break;␊ |
| 2175 | }␊ |
| 2176 | if (!strncmp(prop->string,SYS_CLASS, sizeof(SYS_CLASS))) ␊ |
| 2177 | {␊ |
| 2178 | tmpBundle->willLoad = BundlePrioritySystem;␊ |
| 2179 | break;␊ |
| 2180 | }␊ |
| 2181 | } ␊ |
| 2182 | ␊ |
| 2183 | prop = XMLGetProperty(moduleDict, kPropOSBundlePriority);␊ |
| 2184 | if ((prop != 0) && prop->string)␊ |
| 2185 | {␊ |
| 2186 | int tmpwillLoad;␊ |
| 2187 | if ((tmpwillLoad = strtoul(prop->string, NULL, 10)) > BundlePrioritySystemLib )␊ |
| 2188 | { ␊ |
| 2189 | tmpBundle->willLoad = MIN(tmpwillLoad, BundlePriorityLowestPriority);␊ |
| 2190 | break;␊ |
| 2191 | ␊ |
| 2192 | }␊ |
| 2193 | ␊ |
| 2194 | }␊ |
| 2195 | ␉␉␊ |
| 2196 | tmpBundle->willLoad = BundlePriorityNormalPriority;␊ |
| 2197 | ␉␉␊ |
| 2198 | #if 0␊ |
| 2199 | ␉␉prop = XMLGetProperty(moduleDict, kPropCFBundleLocalizations);␊ |
| 2200 | if ((prop != 0) && prop->string)␊ |
| 2201 | {␊ |
| 2202 | ␉␉␉char * path = newStringWithFormat("%s%s",module->bundlePath,prop->string);␊ |
| 2203 | ␉␉␉if (path == NULL) {␊ |
| 2204 | ␉␉␉␉break;␊ |
| 2205 | ␉␉␉}␊ |
| 2206 | ␉␉␉␊ |
| 2207 | if (loadConfigFile(path, module->LanguageConfig) != 0)␊ |
| 2208 | ␉␉␉{␊ |
| 2209 | ␉␉␉␉free(path);␊ |
| 2210 | ␉␉␉␉path = NULL;␊ |
| 2211 | ␉␉␉␉␊ |
| 2212 | ␉␉␉␉const char * default_local;␊ |
| 2213 | ␉␉␉␉if ((default_local = getStringForKey(kPropCFBundleLocalizations, DEFAULT_BOOT_CONFIG))) ␊ |
| 2214 | ␉␉␉␉{␊ |
| 2215 | ␉␉␉␉␉path = newStringWithFormat("%s%s",module->bundlePath,default_local);␊ |
| 2216 | ␉␉␉␉␉if (path == NULL) {␊ |
| 2217 | ␉␉␉␉␉␉break;␊ |
| 2218 | ␉␉␉␉␉}␊ |
| 2219 | ␉␉␉␉␉loadConfigFile(path, module->LanguageConfig);␊ |
| 2220 | ␉␉␉␉}␊ |
| 2221 | ␉␉␉␉␊ |
| 2222 | ␉␉␉}␊ |
| 2223 | ␉␉␉␊ |
| 2224 | ␉␉␉if (path) {␊ |
| 2225 | ␉␉␉␉free(path);␊ |
| 2226 | ␉␉␉} ␊ |
| 2227 | }␊ |
| 2228 | #endif␊ |
| 2229 | ␊ |
| 2230 | } while (0);␊ |
| 2231 | ␊ |
| 2232 | // Get the personalities.␊ |
| 2233 | tmpBundle->personalities = XMLGetProperty(moduleDict, kPropIOKitPersonalities);␊ |
| 2234 | ␊ |
| 2235 | *module = tmpBundle;␊ |
| 2236 | ␉␊ |
| 2237 | ␉␊ |
| 2238 | ␉␊ |
| 2239 | return 0;␊ |
| 2240 | }␊ |
| 2241 | |
