mono/metadata/mono-config.c

   1 /*
   2  * mono-config.c
   3  *
   4  * Runtime and assembly configuration file support routines.
   5  *
   6  * Author: Paolo Molaro (lupus@ximian.com)
   7  *
   8  * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
   9  * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
  10  */
  11 #include "config.h"
  12 #include <glib.h>
  13 #include <string.h>
  14
  15 #include "mono/metadata/assembly.h"
  16 #include "mono/metadata/loader.h"
  17 #include "mono/metadata/mono-config.h"
  18 #include "mono/metadata/metadata-internals.h"
  19 #include "mono/metadata/object-internals.h"
  20 #include "mono/utils/mono-logger-internal.h"
  21
  22 #if defined(TARGET_PS3)
  23 #define CONFIG_OS "CellOS"
  24 #elif defined(__linux__)
  25 #define CONFIG_OS "linux"
  26 #elif defined(__APPLE__)
  27 #define CONFIG_OS "osx"
  28 #elif defined(sun)
  29 #define CONFIG_OS "solaris"
  30 #elif defined(__FreeBSD__)
  31 #define CONFIG_OS "freebsd"
  32 #elif defined(__NetBSD__)
  33 #define CONFIG_OS "netbsd"
  34 #elif defined(__OpenBSD__)
  35 #define CONFIG_OS "openbsd"
  36 #elif defined(__WIN32__) || defined(TARGET_WIN32)
  37 #define CONFIG_OS "windows"
  38 #elif defined(_IBMR2)
  39 #define CONFIG_OS "aix"
  40 #elif defined(__hpux)
  41 #define CONFIG_OS "hpux"
  42 #elif defined(__HAIKU__)
  43 #define CONFIG_OS "haiku"
  44 #else
  45 #warning Unknown operating system
  46 #define CONFIG_OS "unknownOS"
  47 #endif
  48
  49 #ifndef CONFIG_CPU
  50 #if defined(__i386__) || defined(TARGET_X86)
  51 #define CONFIG_CPU "x86"
  52 #define CONFIG_WORDSIZE "32"
  53 #elif defined(__x86_64__) || defined(TARGET_AMD64)
  54 #define CONFIG_CPU "x86-64"
  55 #define CONFIG_WORDSIZE "64"
  56 #elif defined(sparc) || defined(__sparc__)
  57 #define CONFIG_CPU "sparc"
  58 #define CONFIG_WORDSIZE "32"
  59 #elif defined(__ppc64__) || defined(__powerpc64__) || defined(TARGET_POWERPC)
  60 #define CONFIG_WORDSIZE "64"
  61 #ifdef __mono_ppc_ilp32__
  62 #   define CONFIG_CPU "ppc64ilp32"
  63 #else
  64 #   define CONFIG_CPU "ppc64"
  65 #endif
  66 #elif defined(__ppc__) || defined(__powerpc__)
  67 #define CONFIG_CPU "ppc"
  68 #define CONFIG_WORDSIZE "32"
  69 #elif defined(__s390x__)
  70 #define CONFIG_CPU "s390x"
  71 #define CONFIG_WORDSIZE "64"
  72 #elif defined(__s390__)
  73 #define CONFIG_CPU "s390"
  74 #define CONFIG_WORDSIZE "32"
  75 #elif defined(__arm__)
  76 #define CONFIG_CPU "arm"
  77 #define CONFIG_WORDSIZE "32"
  78 #elif defined(__aarch64__)
  79 #define CONFIG_CPU "armv8"
  80 #define CONFIG_WORDSIZE "64"
  81 #elif defined(__ia64__)
  82 #define CONFIG_CPU "ia64"
  83 #define CONFIG_WORDSIZE "64"
  84 #elif defined(mips) || defined(__mips) || defined(_mips)
  85 #define CONFIG_CPU "mips"
  86 #define CONFIG_WORDSIZE "32"
  87 #else
  88 #error Unknown CPU
  89 #define CONFIG_CPU "unknownCPU"
  90 #endif
  91 #endif
  92
  93 static void start_element (GMarkupParseContext *context,
  94                            const gchar         *element_name,
  95                            const gchar        **attribute_names,
  96                            const gchar        **attribute_values,
  97                            gpointer             user_data,
  98                            GError             **error);
  99
 100 static void end_element   (GMarkupParseContext *context,
 101                            const gchar         *element_name,
 102                            gpointer             user_data,
 103                            GError             **error);
 104
 105 static void parse_text    (GMarkupParseContext *context,
 106                            const gchar         *text,
 107                            gsize                text_len,
 108                            gpointer             user_data,
 109                            GError             **error);
 110
 111 static void passthrough   (GMarkupParseContext *context,
 112                            const gchar         *text,
 113                            gsize                text_len,
 114                            gpointer             user_data,
 115                            GError             **error);
 116
 117 static void parse_error   (GMarkupParseContext *context,
 118                            GError              *error,
 119                            gpointer             user_data);
 120
 121 static const GMarkupParser
 122 mono_parser = {
 123         start_element,
 124         end_element,
 125         parse_text,
 126         passthrough,
 127         parse_error
 128 };
 129
 130 static GHashTable *config_handlers;
 131
 132 static const char *mono_cfg_dir = NULL;
 133 static char *mono_cfg_dir_allocated = NULL;
 134
 135 /* when this interface is stable, export it. */
 136 typedef struct MonoParseHandler MonoParseHandler;
 137
 138 struct MonoParseHandler {
 139         const char *element_name;
 140         void*(*init)   (MonoImage *assembly);
 141         void (*start)  (gpointer user_data, const gchar *name,
 142                         const gchar **attributes,
 143                         const gchar **values);
 144         void (*text)   (gpointer user_data, const char *text, gsize test_len);
 145         void (*end)    (gpointer user_data, const char *name);
 146         void (*finish) (gpointer user_data);
 147 };
 148
 149 typedef struct {
 150         MonoAssemblyBindingInfo *info;
 151         void (*info_parsed)(MonoAssemblyBindingInfo *info, void *user_data);
 152         void *user_data;
 153 } ParserUserData;
 154
 155 typedef struct {
 156         MonoParseHandler *current;
 157         void *user_data;
 158         MonoImage *assembly;
 159         int inited;
 160 } ParseState;
 161
 162 static void start_element (GMarkupParseContext *context,
 163                            const gchar         *element_name,
 164                            const gchar        **attribute_names,
 165                            const gchar        **attribute_values,
 166                            gpointer             user_data,
 167                            GError             **error)
 168 {
 169         ParseState *state = user_data;
 170         if (!state->current) {
 171                 state->current = g_hash_table_lookup (config_handlers, element_name);
 172                 if (state->current && state->current->init)
 173                         state->user_data = state->current->init (state->assembly);
 174         }
 175         if (state->current && state->current->start)
 176                 state->current->start (state->user_data, element_name, attribute_names, attribute_values);
 177 }
 178
 179 static void end_element   (GMarkupParseContext *context,
 180                            const gchar         *element_name,
 181                            gpointer             user_data,
 182                            GError             **error)
 183 {
 184         ParseState *state = user_data;
 185         if (state->current) {
 186                 if (state->current->end)
 187                         state->current->end (state->user_data, element_name);
 188                 if (strcmp (state->current->element_name, element_name) == 0) {
 189                         if (state->current->finish)
 190                                 state->current->finish (state->user_data);
 191                         state->current = NULL;
 192                         state->user_data = NULL;
 193                 }
 194         }
 195 }
 196
 197 static void parse_text    (GMarkupParseContext *context,
 198                            const gchar         *text,
 199                            gsize                text_len,
 200                            gpointer             user_data,
 201                            GError             **error)
 202 {
 203         ParseState *state = user_data;
 204         if (state->current && state->current->text)
 205                 state->current->text (state->user_data, text, text_len);
 206 }
 207
 208 static void passthrough   (GMarkupParseContext *context,
 209                            const gchar         *text,
 210                            gsize                text_len,
 211                            gpointer             user_data,
 212                            GError             **error)
 213 {
 214         /* do nothing */
 215 }
 216
 217 static void parse_error   (GMarkupParseContext *context,
 218                            GError              *error,
 219                            gpointer             user_data)
 220 {
 221         ParseState *state = user_data;
 222         const gchar *msg;
 223         const gchar *filename;
 224
 225         filename = state && state->user_data ? (gchar *) state->user_data : "<unknown>";
 226         msg = error && error->message ? error->message : "";
 227         g_warning ("Error parsing %s: %s", filename, msg);
 228 }
 229
 230 static int
 231 arch_matches (const char* arch, const char *value)
 232 {
 233         char **splitted, **p;
 234         int found = FALSE;
 235         if (value [0] == '!')
 236                 return !arch_matches (arch, value + 1);
 237         p = splitted = g_strsplit (value, ",", 0);
 238         while (*p) {
 239                 if (strcmp (arch, *p) == 0) {
 240                         found = TRUE;
 241                         break;
 242                 }
 243                 p++;
 244         }
 245         g_strfreev (splitted);
 246         return found;
 247 }
 248
 249 typedef struct {
 250         char *dll;
 251         char *target;
 252         int ignore;
 253         MonoImage *assembly;
 254 } DllInfo;
 255
 256 static void*
 257 dllmap_init (MonoImage *assembly) {
 258         DllInfo *info = g_new0 (DllInfo, 1);
 259         info->assembly = assembly;
 260         return info;
 261 }
 262
 263 static void
 264 dllmap_start (gpointer user_data,
 265               const gchar         *element_name,
 266               const gchar        **attribute_names,
 267               const gchar        **attribute_values)
 268 {
 269         int i;
 270         DllInfo *info = user_data;
 271
 272         if (strcmp (element_name, "dllmap") == 0) {
 273                 g_free (info->dll);
 274                 g_free (info->target);
 275                 info->dll = info->target = NULL;
 276                 info->ignore = FALSE;
 277                 for (i = 0; attribute_names [i]; ++i) {
 278                         if (strcmp (attribute_names [i], "dll") == 0)
 279                                 info->dll = g_strdup (attribute_values [i]);
 280                         else if (strcmp (attribute_names [i], "target") == 0)
 281                                 info->target = g_strdup (attribute_values [i]);
 282                         else if (strcmp (attribute_names [i], "os") == 0 && !arch_matches (CONFIG_OS, attribute_values [i]))
 283                                 info->ignore = TRUE;
 284                         else if (strcmp (attribute_names [i], "cpu") == 0 && !arch_matches (CONFIG_CPU, attribute_values [i]))
 285                                 info->ignore = TRUE;
 286                         else if (strcmp (attribute_names [i], "wordsize") == 0 && !arch_matches (CONFIG_WORDSIZE, attribute_values [i]))
 287                                 info->ignore = TRUE;
 288                 }
 289                 if (!info->ignore)
 290                         mono_dllmap_insert (info->assembly, info->dll, NULL, info->target, NULL);
 291         } else if (strcmp (element_name, "dllentry") == 0) {
 292                 const char *name = NULL, *target = NULL, *dll = NULL;
 293                 int ignore = FALSE;
 294                 for (i = 0; attribute_names [i]; ++i) {
 295                         if (strcmp (attribute_names [i], "dll") == 0)
 296                                 dll = attribute_values [i];
 297                         else if (strcmp (attribute_names [i], "target") == 0)
 298                                 target = attribute_values [i];
 299                         else if (strcmp (attribute_names [i], "name") == 0)
 300                                 name = attribute_values [i];
 301                         else if (strcmp (attribute_names [i], "os") == 0 && !arch_matches (CONFIG_OS, attribute_values [i]))
 302                                 ignore = TRUE;
 303                         else if (strcmp (attribute_names [i], "cpu") == 0 && !arch_matches (CONFIG_CPU, attribute_values [i]))
 304                                 ignore = TRUE;
 305                         else if (strcmp (attribute_names [i], "wordsize") == 0 && !arch_matches (CONFIG_WORDSIZE, attribute_values [i]))
 306                                 ignore = TRUE;
 307                 }
 308                 if (!dll)
 309                         dll = info->dll;
 310                 if (!info->ignore && !ignore)
 311                         mono_dllmap_insert (info->assembly, info->dll, name, dll, target);
 312         }
 313 }
 314
 315 static void
 316 dllmap_finish (gpointer user_data)
 317 {
 318         DllInfo *info = user_data;
 319
 320         g_free (info->dll);
 321         g_free (info->target);
 322         g_free (info);
 323 }
 324
 325 static const MonoParseHandler
 326 dllmap_handler = {
 327         "dllmap",
 328         dllmap_init,
 329         dllmap_start,
 330         NULL, /* text */
 331         NULL, /* end */
 332         dllmap_finish
 333 };
 334
 335 static void
 336 legacyUEP_start (gpointer user_data,
 337               const gchar         *element_name,
 338               const gchar        **attribute_names,
 339               const gchar        **attribute_values) {
 340         if ((strcmp (element_name, "legacyUnhandledExceptionPolicy") == 0) &&
 341                         (attribute_names [0] != NULL) &&
 342                         (strcmp (attribute_names [0], "enabled") == 0)) {
 343                 if ((strcmp (attribute_values [0], "1") == 0) ||
 344                                 (g_ascii_strcasecmp (attribute_values [0], "true") == 0)) {
 345                         mono_runtime_unhandled_exception_policy_set (MONO_UNHANDLED_POLICY_LEGACY);
 346                 }
 347         }
 348 }
 349
 350 static const MonoParseHandler
 351 legacyUEP_handler = {
 352         "legacyUnhandledExceptionPolicy",
 353         NULL, /* init */
 354         legacyUEP_start,
 355         NULL, /* text */
 356         NULL, /* end */
 357         NULL, /* finish */
 358 };
 359
 360 static void
 361 aot_cache_start (gpointer user_data,
 362                                  const gchar         *element_name,
 363                                  const gchar        **attribute_names,
 364                                  const gchar        **attribute_values)
 365 {
 366         int i;
 367         MonoAotCacheConfig *config;
 368
 369         if (strcmp (element_name, "aotcache") != 0)
 370                 return;
 371
 372         config = mono_get_aot_cache_config ();
 373
 374         /* Per-app configuration */
 375         for (i = 0; attribute_names [i]; ++i) {
 376                 if (!strcmp (attribute_names [i], "app")) {
 377                         config->apps = g_slist_prepend (config->apps, g_strdup (attribute_values [i]));
 378                 }
 379         }
 380
 381         /* Global configuration */
 382         for (i = 0; attribute_names [i]; ++i) {
 383                 if (!strcmp (attribute_names [i], "assemblies")) {
 384                         char **parts, **ptr;
 385                         char *part;
 386
 387                         parts = g_strsplit (attribute_values [i], " ", -1);
 388                         for (ptr = parts; ptr && *ptr; ptr ++) {
 389                                 part = *ptr;
 390                                 config->assemblies = g_slist_prepend (config->assemblies, g_strdup (part));
 391                         }
 392                         g_strfreev (parts);
 393                 } else if (!strcmp (attribute_names [i], "options")) {
 394                         config->aot_options = g_strdup (attribute_values [i]);
 395                 }
 396         }
 397 }
 398
 399 static const MonoParseHandler
 400 aot_cache_handler = {
 401         "aotcache",
 402         NULL, /* init */
 403         aot_cache_start,
 404         NULL, /* text */
 405         NULL, /* end */
 406         NULL, /* finish */
 407 };
 408
 409 static int inited = 0;
 410
 411 static void
 412 mono_config_init (void)
 413 {
 414         inited = 1;
 415         config_handlers = g_hash_table_new (g_str_hash, g_str_equal);
 416         g_hash_table_insert (config_handlers, (gpointer) dllmap_handler.element_name, (gpointer) &dllmap_handler);
 417         g_hash_table_insert (config_handlers, (gpointer) legacyUEP_handler.element_name, (gpointer) &legacyUEP_handler);
 418         g_hash_table_insert (config_handlers, (gpointer) aot_cache_handler.element_name, (gpointer) &aot_cache_handler);
 419 }
 420
 421 void
 422 mono_config_cleanup (void)
 423 {
 424         if (config_handlers)
 425                 g_hash_table_destroy (config_handlers);
 426         g_free (mono_cfg_dir_allocated);
 427 }
 428
 429 /* FIXME: error handling */
 430
 431 static void
 432 mono_config_parse_xml_with_context (ParseState *state, const char *text, gsize len)
 433 {
 434         GMarkupParseContext *context;
 435
 436         if (!inited)
 437                 mono_config_init ();
 438
 439         context = g_markup_parse_context_new (&mono_parser, 0, state, NULL);
 440         if (g_markup_parse_context_parse (context, text, len, NULL)) {
 441                 g_markup_parse_context_end_parse (context, NULL);
 442         }
 443         g_markup_parse_context_free (context);
 444 }
 445
 446 /* If assembly is NULL, parse in the global context */
 447 static int
 448 mono_config_parse_file_with_context (ParseState *state, const char *filename)
 449 {
 450         gchar *text;
 451         gsize len;
 452         gint offset;
 453
 454         mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_CONFIG,
 455                         "Config attempting to parse: '%s'.", filename);
 456
 457         if (!g_file_get_contents (filename, &text, &len, NULL))
 458                 return 0;
 459
 460         offset = 0;
 461         if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
 462                 offset = 3; /* Skip UTF-8 BOM */
 463         if (state->user_data == NULL)
 464                 state->user_data = (gpointer) filename;
 465         mono_config_parse_xml_with_context (state, text + offset, len - offset);
 466         g_free (text);
 467         return 1;
 468 }
 469
 470 /**
 471  * mono_config_parse_memory:
 472  * @buffer: a pointer to an string XML representation of the configuration
 473  *
 474  * Parses the configuration from a buffer
 475  */
 476 void
 477 mono_config_parse_memory (const char *buffer)
 478 {
 479         ParseState state = {NULL};
 480
 481         state.user_data = (gpointer) "<buffer>";
 482         mono_config_parse_xml_with_context (&state, buffer, strlen (buffer));
 483 }
 484
 485 static void
 486 mono_config_parse_file (const char *filename)
 487 {
 488         ParseState state = {NULL};
 489         state.user_data = (gpointer) filename;
 490         mono_config_parse_file_with_context (&state, filename);
 491 }
 492
 493 /*
 494  * use the equivalent lookup code from the GAC when available.
 495  * Depending on state, this should give something like:
 496  *      aname/version-pubtoken/
 497  *      aname/version/
 498  *      aname
 499  */
 500 static char*
 501 get_assembly_filename (MonoImage *image, int state)
 502 {
 503         switch (state) {
 504         case 0:
 505                 return g_strdup (mono_image_get_name (image));
 506         default:
 507                 return NULL;
 508         }
 509 }
 510
 511 typedef struct _BundledConfig BundledConfig;
 512
 513 struct _BundledConfig {
 514         BundledConfig *next;
 515         const char* aname;
 516         const char* config_xml;
 517 };
 518
 519 static BundledConfig *bundled_configs = NULL;
 520
 521 static const char *bundled_machine_config = NULL;
 522
 523 void
 524 mono_register_config_for_assembly (const char* assembly_name, const char* config_xml)
 525 {
 526         BundledConfig *bconfig;
 527
 528         bconfig = g_new0 (BundledConfig, 1);
 529         bconfig->aname = assembly_name;
 530         bconfig->config_xml = config_xml;
 531         bconfig->next = bundled_configs;
 532         bundled_configs = bconfig;
 533 }
 534
 535 const char *
 536 mono_config_string_for_assembly_file (const char *filename)
 537 {
 538         BundledConfig *bconfig;
 539
 540         for (bconfig = bundled_configs; bconfig; bconfig = bconfig->next) {
 541                 if (bconfig->aname && strcmp (bconfig->aname, filename) == 0)
 542                         return bconfig->config_xml;
 543         }
 544         return NULL;
 545 }
 546
 547 void
 548 mono_config_for_assembly (MonoImage *assembly)
 549 {
 550         ParseState state = {NULL};
 551         int got_it = 0, i;
 552         char *aname, *cfg, *cfg_name;
 553         const char *bundled_config;
 554
 555         state.assembly = assembly;
 556
 557         bundled_config = mono_config_string_for_assembly_file (assembly->module_name);
 558         if (bundled_config) {
 559                 state.user_data = (gpointer) "<bundled>";
 560                 mono_config_parse_xml_with_context (&state, bundled_config, strlen (bundled_config));
 561         }
 562
 563         cfg_name = g_strdup_printf ("%s.config", mono_image_get_filename (assembly));
 564         mono_config_parse_file_with_context (&state, cfg_name);
 565         g_free (cfg_name);
 566
 567         cfg_name = g_strdup_printf ("%s.config", mono_image_get_name (assembly));
 568
 569         for (i = 0; (aname = get_assembly_filename (assembly, i)) != NULL; ++i) {
 570                 cfg = g_build_filename (mono_get_config_dir (), "mono", "assemblies", aname, cfg_name, NULL);
 571                 got_it += mono_config_parse_file_with_context (&state, cfg);
 572                 g_free (cfg);
 573
 574 #ifdef TARGET_WIN32
 575                 const char *home = g_get_home_dir ();
 576                 cfg = g_build_filename (home, ".mono", "assemblies", aname, cfg_name, NULL);
 577                 got_it += mono_config_parse_file_with_context (&state, cfg);
 578                 g_free (cfg);
 579 #endif
 580                 g_free (aname);
 581                 if (got_it)
 582                         break;
 583         }
 584         g_free (cfg_name);
 585 }
 586
 587 /**
 588  * mono_config_parse:
 589  * @filename: the filename to load the configuration variables from.
 590  *
 591  * Pass a NULL filename to parse the default config files
 592  * (or the file in the MONO_CONFIG env var).
 593  */
 594 void
 595 mono_config_parse (const char *filename) {
 596         const char *home;
 597         char *mono_cfg;
 598 #ifndef TARGET_WIN32
 599         char *user_cfg;
 600 #endif
 601
 602         if (filename) {
 603                 mono_config_parse_file (filename);
 604                 return;
 605         }
 606
 607         home = g_getenv ("MONO_CONFIG");
 608         if (home) {
 609                 mono_config_parse_file (home);
 610                 return;
 611         }
 612
 613         mono_cfg = g_build_filename (mono_get_config_dir (), "mono", "config", NULL);
 614         mono_config_parse_file (mono_cfg);
 615         g_free (mono_cfg);
 616
 617 #if !defined(TARGET_WIN32) && !defined(__native_client__)
 618         home = g_get_home_dir ();
 619         user_cfg = g_strconcat (home, G_DIR_SEPARATOR_S, ".mono/config", NULL);
 620         mono_config_parse_file (user_cfg);
 621         g_free (user_cfg);
 622 #endif
 623 }
 624
 625 /* Invoked during startup */
 626 void
 627 mono_set_config_dir (const char *dir)
 628 {
 629         /* If this variable is set, overrides the directory computed */
 630         mono_cfg_dir = g_getenv ("MONO_CFG_DIR");
 631         if (mono_cfg_dir == NULL)
 632                 mono_cfg_dir = mono_cfg_dir_allocated = g_strdup (dir);
 633 }
 634
 635 const char*
 636 mono_get_config_dir (void)
 637 {
 638         if (mono_cfg_dir == NULL)
 639                 mono_set_dirs (NULL, NULL);
 640
 641         return mono_cfg_dir;
 642 }
 643
 644 void
 645 mono_register_machine_config (const char *config_xml)
 646 {
 647         bundled_machine_config = config_xml;
 648 }
 649
 650 const char *
 651 mono_get_machine_config (void)
 652 {
 653         return bundled_machine_config;
 654 }
 655
 656 static void
 657 assembly_binding_end (gpointer user_data, const char *element_name)
 658 {
 659         ParserUserData *pud = user_data;
 660
 661         if (!strcmp (element_name, "dependentAssembly")) {
 662                 if (pud->info_parsed && pud->info) {
 663                         pud->info_parsed (pud->info, pud->user_data);
 664                         g_free (pud->info->name);
 665                         g_free (pud->info->culture);
 666                 }
 667         }
 668 }
 669
 670 static void
 671 publisher_policy_start (gpointer user_data,
 672                 const gchar *element_name,
 673                 const gchar **attribute_names,
 674                 const gchar **attribute_values)
 675 {
 676         ParserUserData *pud;
 677         MonoAssemblyBindingInfo *info;
 678         int n;
 679
 680         pud = user_data;
 681         info = pud->info;
 682         if (!strcmp (element_name, "dependentAssembly")) {
 683                 info->name = NULL;
 684                 info->culture = NULL;
 685                 info->has_old_version_bottom = FALSE;
 686                 info->has_old_version_top = FALSE;
 687                 info->has_new_version = FALSE;
 688                 info->is_valid = FALSE;
 689                 memset (&info->old_version_bottom, 0, sizeof (info->old_version_bottom));
 690                 memset (&info->old_version_top, 0, sizeof (info->old_version_top));
 691                 memset (&info->new_version, 0, sizeof (info->new_version));
 692         } if (!strcmp (element_name, "assemblyIdentity")) {
 693                 for (n = 0; attribute_names [n]; n++) {
 694                         const gchar *attribute_name = attribute_names [n];
 695
 696                         if (!strcmp (attribute_name, "name"))
 697                                 info->name = g_strdup (attribute_values [n]);
 698                         else if (!strcmp (attribute_name, "publicKeyToken")) {
 699                                 if (strlen (attribute_values [n]) == MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)
 700                                         g_strlcpy ((char *) info->public_key_token, attribute_values [n], MONO_PUBLIC_KEY_TOKEN_LENGTH);
 701                         } else if (!strcmp (attribute_name, "culture")) {
 702                                 if (!strcmp (attribute_values [n], "neutral"))
 703                                         info->culture = g_strdup ("");
 704                                 else
 705                                         info->culture = g_strdup (attribute_values [n]);
 706                         }
 707                 }
 708         } else if (!strcmp (element_name, "bindingRedirect")) {
 709                 for (n = 0; attribute_names [n]; n++) {
 710                         const gchar *attribute_name = attribute_names [n];
 711
 712                         if (!strcmp (attribute_name, "oldVersion")) {
 713                                 gchar **numbers, **version, **versions;
 714                                 gint major, minor, build, revision;
 715
 716                                 /* Invalid value */
 717                                 if (!strcmp (attribute_values [n], ""))
 718                                         return;
 719
 720                                 versions = g_strsplit (attribute_values [n], "-", 2);
 721                                 version = g_strsplit (*versions, ".", 4);
 722
 723                                 /* We assign the values to gint vars to do the checks */
 724                                 numbers = version;
 725                                 major = *numbers ? atoi (*numbers++) : -1;
 726                                 minor = *numbers ? atoi (*numbers++) : -1;
 727                                 build = *numbers ? atoi (*numbers++) : -1;
 728                                 revision = *numbers ? atoi (*numbers) : -1;
 729                                 g_strfreev (version);
 730                                 if (major < 0 || minor < 0 || build < 0 || revision < 0) {
 731                                         g_strfreev (versions);
 732                                         return;
 733                                 }
 734
 735                                 info->old_version_bottom.major = major;
 736                                 info->old_version_bottom.minor = minor;
 737                                 info->old_version_bottom.build = build;
 738                                 info->old_version_bottom.revision = revision;
 739                                 info->has_old_version_bottom = TRUE;
 740
 741                                 if (!*(versions + 1)) {
 742                                         g_strfreev (versions);
 743                                         continue;
 744                                 }
 745
 746                                 numbers = version = g_strsplit (*(versions + 1), ".", 4);
 747                                 major = *numbers ? atoi (*numbers++) : -1;
 748                                 minor = *numbers ? atoi (*numbers++) : -1;
 749                                 build = *numbers ? atoi (*numbers++) : -1;
 750                                 revision = *numbers ? atoi (*numbers) : 1;
 751                                 g_strfreev (version);
 752                                 if (major < 0 || minor < 0 || build < 0 || revision < 0) {
 753                                         g_strfreev (versions);
 754                                         return;
 755                                 }
 756
 757                                 info->old_version_top.major = major;
 758                                 info->old_version_top.minor = minor;
 759                                 info->old_version_top.build = build;
 760                                 info->old_version_top.revision = revision;
 761                                 info->has_old_version_top = TRUE;
 762
 763                                 g_strfreev (versions);
 764                         } else if (!strcmp (attribute_name, "newVersion")) {
 765                                 gchar **numbers, **version;
 766
 767                                 /* Invalid value */
 768                                 if (!strcmp (attribute_values [n], ""))
 769                                         return;
 770
 771                                 numbers = version = g_strsplit (attribute_values [n], ".", 4);
 772                                 info->new_version.major = *numbers ? atoi (*numbers++) : -1;
 773                                 info->new_version.minor = *numbers ? atoi (*numbers++) : -1;
 774                                 info->new_version.build = *numbers ? atoi (*numbers++) : -1;
 775                                 info->new_version.revision = *numbers ? atoi (*numbers) : -1;
 776                                 info->has_new_version = TRUE;
 777                                 g_strfreev (version);
 778                         }
 779                 }
 780         }
 781 }
 782
 783 static MonoParseHandler
 784 publisher_policy_parser = {
 785         "", /* We don't need to use declare an xml element */
 786         NULL,
 787         publisher_policy_start,
 788         NULL,
 789         NULL,
 790         NULL
 791 };
 792
 793 void
 794 mono_config_parse_publisher_policy (const gchar *filename, MonoAssemblyBindingInfo *info)
 795 {
 796         ParserUserData user_data = {
 797                 info,
 798                 NULL,
 799                 NULL
 800         };
 801         ParseState state = {
 802                 &publisher_policy_parser, /* MonoParseHandler */
 803                 &user_data, /* user_data */
 804                 NULL, /* MonoImage (we don't need it right now)*/
 805                 TRUE /* We are already inited */
 806         };
 807
 808         mono_config_parse_file_with_context (&state, filename);
 809 }
 810
 811 static MonoParseHandler
 812 config_assemblybinding_parser = {
 813         "", /* We don't need to use declare an xml element */
 814         NULL,
 815         publisher_policy_start,
 816         NULL,
 817         assembly_binding_end,
 818         NULL
 819 };
 820
 821 void
 822 mono_config_parse_assembly_bindings (const char *filename, int amajor, int aminor, void *user_data, void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data))
 823 {
 824         MonoAssemblyBindingInfo info;
 825         ParserUserData pud;
 826         ParseState state;
 827
 828         info.major = amajor;
 829         info.minor = aminor;
 830
 831         pud.info = &info;
 832         pud.info_parsed = infocb;
 833         pud.user_data = user_data;
 834
 835         state.current = &config_assemblybinding_parser;  /* MonoParseHandler */
 836         state.user_data = &pud;
 837         state.assembly = NULL; /* MonoImage (we don't need it right now)*/
 838         state.inited = TRUE; /* We are already inited */
 839
 840         mono_config_parse_file_with_context (&state, filename);
 841 }
 842
 843 static mono_bool mono_server_mode = FALSE;
 844
 845 void
 846 mono_config_set_server_mode (mono_bool server_mode)
 847 {
 848         mono_server_mode = server_mode;
 849 }
 850
 851 mono_bool
 852 mono_config_is_server_mode (void)
 853 {
 854         return mono_server_mode;
 855 }
 856