1 /**
2 * \file
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 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
11 */
12 #include "config.h"
13 #include <glib.h>
14 #include <string.h>
15
16 #include "mono/metadata/assembly.h"
17 #include "mono/metadata/loader.h"
18 #include "mono/metadata/mono-config.h"
19 #include "mono/metadata/metadata-internals.h"
20 #include "mono/metadata/object-internals.h"
21 #include "mono/utils/mono-logger-internals.h"
22
23 #if defined(TARGET_PS3)
24 #define CONFIG_OS "CellOS"
25 #elif defined(__linux__)
26 #define CONFIG_OS "linux"
27 #elif defined(__APPLE__)
28 #define CONFIG_OS "osx"
29 #elif defined(sun)
30 #define CONFIG_OS "solaris"
31 #elif defined(__FreeBSD__)
32 #define CONFIG_OS "freebsd"
33 #elif defined(__NetBSD__)
34 #define CONFIG_OS "netbsd"
35 #elif defined(__OpenBSD__)
36 #define CONFIG_OS "openbsd"
37 #elif defined(__WIN32__) || defined(TARGET_WIN32)
38 #define CONFIG_OS "windows"
39 #elif defined(_IBMR2)
40 #define CONFIG_OS "aix"
41 #elif defined(__hpux)
42 #define CONFIG_OS "hpux"
43 #elif defined(__HAIKU__)
44 #define CONFIG_OS "haiku"
45 #elif defined (TARGET_WASM)
46 #define CONFIG_OS "wasm"
47 #else
48 #warning Unknown operating system
49 #define CONFIG_OS "unknownOS"
50 #endif
51
52 #ifndef CONFIG_CPU
53 #if defined(__i386__) || defined(TARGET_X86)
54 #define CONFIG_CPU "x86"
55 #define CONFIG_WORDSIZE "32"
56 #elif defined(__x86_64__) || defined(TARGET_AMD64)
57 #define CONFIG_CPU "x86-64"
58 #define CONFIG_WORDSIZE "64"
59 #elif defined(sparc) || defined(__sparc__)
60 #define CONFIG_CPU "sparc"
61 #define CONFIG_WORDSIZE "32"
62 #elif defined(__ppc64__) || defined(__powerpc64__) || defined(TARGET_POWERPC)
63 #define CONFIG_WORDSIZE "64"
64 #ifdef __mono_ppc_ilp32__
65 # define CONFIG_CPU "ppc64ilp32"
66 #else
67 # define CONFIG_CPU "ppc64"
68 #endif
69 #elif defined(__ppc__) || defined(__powerpc__)
70 #define CONFIG_CPU "ppc"
71 #define CONFIG_WORDSIZE "32"
72 #elif defined(__s390x__)
73 #define CONFIG_CPU "s390x"
74 #define CONFIG_WORDSIZE "64"
75 #elif defined(__s390__)
76 #define CONFIG_CPU "s390"
77 #define CONFIG_WORDSIZE "32"
78 #elif defined(__arm__)
79 #define CONFIG_CPU "arm"
80 #define CONFIG_WORDSIZE "32"
81 #elif defined(__aarch64__)
82 #define CONFIG_CPU "armv8"
83 #define CONFIG_WORDSIZE "64"
84 #elif defined(mips) || defined(__mips) || defined(_mips)
85 #define CONFIG_CPU "mips"
86 #define CONFIG_WORDSIZE "32"
87 #elif defined(TARGET_WASM)
88 #define CONFIG_CPU "wasm"
89 #define CONFIG_WORDSIZE "32"
90 #else
91 #error Unknown CPU
92 #define CONFIG_CPU "unknownCPU"
93 #endif
94 #endif
95
96 /**
97 * mono_config_get_os:
98 *
99 * Returns the operating system that Mono is running on, as used for dllmap entries.
100 */
101 const char *
mono_config_get_os(void)102 mono_config_get_os (void)
103 {
104 return CONFIG_OS;
105 }
106
107 /**
108 * mono_config_get_cpu:
109 *
110 * Returns the architecture that Mono is running on, as used for dllmap entries.
111 */
112 const char *
mono_config_get_cpu(void)113 mono_config_get_cpu (void)
114 {
115 return CONFIG_CPU;
116 }
117
118 /**
119 * mono_config_get_wordsize:
120 *
121 * Returns the word size that Mono is running on, as used for dllmap entries.
122 */
123 const char *
mono_config_get_wordsize(void)124 mono_config_get_wordsize (void)
125 {
126 return CONFIG_WORDSIZE;
127 }
128
129 static void start_element (GMarkupParseContext *context,
130 const gchar *element_name,
131 const gchar **attribute_names,
132 const gchar **attribute_values,
133 gpointer user_data,
134 GError **error);
135
136 static void end_element (GMarkupParseContext *context,
137 const gchar *element_name,
138 gpointer user_data,
139 GError **error);
140
141 static void parse_text (GMarkupParseContext *context,
142 const gchar *text,
143 gsize text_len,
144 gpointer user_data,
145 GError **error);
146
147 static void passthrough (GMarkupParseContext *context,
148 const gchar *text,
149 gsize text_len,
150 gpointer user_data,
151 GError **error);
152
153 static void parse_error (GMarkupParseContext *context,
154 GError *error,
155 gpointer user_data);
156
157 static const GMarkupParser
158 mono_parser = {
159 start_element,
160 end_element,
161 parse_text,
162 passthrough,
163 parse_error
164 };
165
166 static GHashTable *config_handlers;
167
168 static char *mono_cfg_dir = NULL;
169
170 /* when this interface is stable, export it. */
171 typedef struct MonoParseHandler MonoParseHandler;
172
173 struct MonoParseHandler {
174 const char *element_name;
175 void*(*init) (MonoImage *assembly);
176 void (*start) (gpointer user_data, const gchar *name,
177 const gchar **attributes,
178 const gchar **values);
179 void (*text) (gpointer user_data, const char *text, gsize test_len);
180 void (*end) (gpointer user_data, const char *name);
181 void (*finish) (gpointer user_data);
182 };
183
184 typedef struct {
185 MonoAssemblyBindingInfo *info;
186 void (*info_parsed)(MonoAssemblyBindingInfo *info, void *user_data);
187 void *user_data;
188 } ParserUserData;
189
190 typedef struct {
191 MonoParseHandler *current;
192 void *user_data;
193 MonoImage *assembly;
194 int inited;
195 } ParseState;
196
start_element(GMarkupParseContext * context,const gchar * element_name,const gchar ** attribute_names,const gchar ** attribute_values,gpointer user_data,GError ** error)197 static void start_element (GMarkupParseContext *context,
198 const gchar *element_name,
199 const gchar **attribute_names,
200 const gchar **attribute_values,
201 gpointer user_data,
202 GError **error)
203 {
204 ParseState *state = (ParseState *)user_data;
205 if (!state->current) {
206 state->current = (MonoParseHandler *)g_hash_table_lookup (config_handlers, element_name);
207 if (state->current && state->current->init)
208 state->user_data = state->current->init (state->assembly);
209 }
210 if (state->current && state->current->start)
211 state->current->start (state->user_data, element_name, attribute_names, attribute_values);
212 }
213
end_element(GMarkupParseContext * context,const gchar * element_name,gpointer user_data,GError ** error)214 static void end_element (GMarkupParseContext *context,
215 const gchar *element_name,
216 gpointer user_data,
217 GError **error)
218 {
219 ParseState *state = (ParseState *)user_data;
220 if (state->current) {
221 if (state->current->end)
222 state->current->end (state->user_data, element_name);
223 if (strcmp (state->current->element_name, element_name) == 0) {
224 if (state->current->finish)
225 state->current->finish (state->user_data);
226 state->current = NULL;
227 state->user_data = NULL;
228 }
229 }
230 }
231
parse_text(GMarkupParseContext * context,const gchar * text,gsize text_len,gpointer user_data,GError ** error)232 static void parse_text (GMarkupParseContext *context,
233 const gchar *text,
234 gsize text_len,
235 gpointer user_data,
236 GError **error)
237 {
238 ParseState *state = (ParseState *)user_data;
239 if (state->current && state->current->text)
240 state->current->text (state->user_data, text, text_len);
241 }
242
passthrough(GMarkupParseContext * context,const gchar * text,gsize text_len,gpointer user_data,GError ** error)243 static void passthrough (GMarkupParseContext *context,
244 const gchar *text,
245 gsize text_len,
246 gpointer user_data,
247 GError **error)
248 {
249 /* do nothing */
250 }
251
parse_error(GMarkupParseContext * context,GError * error,gpointer user_data)252 static void parse_error (GMarkupParseContext *context,
253 GError *error,
254 gpointer user_data)
255 {
256 ParseState *state = (ParseState *)user_data;
257 const gchar *msg;
258 const gchar *filename;
259
260 filename = state && state->user_data ? (gchar *) state->user_data : "<unknown>";
261 msg = error && error->message ? error->message : "";
262 g_warning ("Error parsing %s: %s", filename, msg);
263 }
264
265 static int
arch_matches(const char * arch,const char * value)266 arch_matches (const char* arch, const char *value)
267 {
268 char **splitted, **p;
269 int found = FALSE;
270 if (value [0] == '!')
271 return !arch_matches (arch, value + 1);
272 p = splitted = g_strsplit (value, ",", 0);
273 while (*p) {
274 if (strcmp (arch, *p) == 0) {
275 found = TRUE;
276 break;
277 }
278 p++;
279 }
280 g_strfreev (splitted);
281 return found;
282 }
283
284 typedef struct {
285 char *dll;
286 char *target;
287 int ignore;
288 MonoImage *assembly;
289 } DllInfo;
290
291 static void*
dllmap_init(MonoImage * assembly)292 dllmap_init (MonoImage *assembly) {
293 DllInfo *info = g_new0 (DllInfo, 1);
294 info->assembly = assembly;
295 return info;
296 }
297
298 static void
dllmap_start(gpointer user_data,const gchar * element_name,const gchar ** attribute_names,const gchar ** attribute_values)299 dllmap_start (gpointer user_data,
300 const gchar *element_name,
301 const gchar **attribute_names,
302 const gchar **attribute_values)
303 {
304 int i;
305 DllInfo *info = (DllInfo *)user_data;
306
307 if (strcmp (element_name, "dllmap") == 0) {
308 g_free (info->dll);
309 g_free (info->target);
310 info->dll = info->target = NULL;
311 info->ignore = FALSE;
312 for (i = 0; attribute_names [i]; ++i) {
313 if (strcmp (attribute_names [i], "dll") == 0)
314 info->dll = g_strdup (attribute_values [i]);
315 else if (strcmp (attribute_names [i], "target") == 0){
316 char *p = strstr (attribute_values [i], "$mono_libdir");
317 if (p != NULL){
318 char *libdir = mono_native_getrootdir ();
319 size_t libdir_len = strlen (libdir);
320 char *result;
321
322 result = (char *)g_malloc (libdir_len-strlen("$mono_libdir")+strlen(attribute_values[i])+1);
323 strncpy (result, attribute_values[i], p-attribute_values[i]);
324 strcpy (result+(p-attribute_values[i]), libdir);
325 g_free (libdir);
326 strcat (result, p+strlen("$mono_libdir"));
327 info->target = result;
328 } else
329 info->target = g_strdup (attribute_values [i]);
330 } else if (strcmp (attribute_names [i], "os") == 0 && !arch_matches (CONFIG_OS, attribute_values [i]))
331 info->ignore = TRUE;
332 else if (strcmp (attribute_names [i], "cpu") == 0 && !arch_matches (CONFIG_CPU, attribute_values [i]))
333 info->ignore = TRUE;
334 else if (strcmp (attribute_names [i], "wordsize") == 0 && !arch_matches (CONFIG_WORDSIZE, attribute_values [i]))
335 info->ignore = TRUE;
336 }
337 if (!info->ignore)
338 mono_dllmap_insert (info->assembly, info->dll, NULL, info->target, NULL);
339 } else if (strcmp (element_name, "dllentry") == 0) {
340 const char *name = NULL, *target = NULL, *dll = NULL;
341 int ignore = FALSE;
342 for (i = 0; attribute_names [i]; ++i) {
343 if (strcmp (attribute_names [i], "dll") == 0)
344 dll = attribute_values [i];
345 else if (strcmp (attribute_names [i], "target") == 0)
346 target = attribute_values [i];
347 else if (strcmp (attribute_names [i], "name") == 0)
348 name = attribute_values [i];
349 else if (strcmp (attribute_names [i], "os") == 0 && !arch_matches (CONFIG_OS, attribute_values [i]))
350 ignore = TRUE;
351 else if (strcmp (attribute_names [i], "cpu") == 0 && !arch_matches (CONFIG_CPU, attribute_values [i]))
352 ignore = TRUE;
353 else if (strcmp (attribute_names [i], "wordsize") == 0 && !arch_matches (CONFIG_WORDSIZE, attribute_values [i]))
354 ignore = TRUE;
355 }
356 if (!dll)
357 dll = info->dll;
358 if (!info->ignore && !ignore)
359 mono_dllmap_insert (info->assembly, info->dll, name, dll, target);
360 }
361 }
362
363 static void
dllmap_finish(gpointer user_data)364 dllmap_finish (gpointer user_data)
365 {
366 DllInfo *info = (DllInfo *)user_data;
367
368 g_free (info->dll);
369 g_free (info->target);
370 g_free (info);
371 }
372
373 static const MonoParseHandler
374 dllmap_handler = {
375 "dllmap",
376 dllmap_init,
377 dllmap_start,
378 NULL, /* text */
379 NULL, /* end */
380 dllmap_finish
381 };
382
383 static void
legacyUEP_start(gpointer user_data,const gchar * element_name,const gchar ** attribute_names,const gchar ** attribute_values)384 legacyUEP_start (gpointer user_data,
385 const gchar *element_name,
386 const gchar **attribute_names,
387 const gchar **attribute_values) {
388 if ((strcmp (element_name, "legacyUnhandledExceptionPolicy") == 0) &&
389 (attribute_names [0] != NULL) &&
390 (strcmp (attribute_names [0], "enabled") == 0)) {
391 if ((strcmp (attribute_values [0], "1") == 0) ||
392 (g_ascii_strcasecmp (attribute_values [0], "true") == 0)) {
393 mono_runtime_unhandled_exception_policy_set (MONO_UNHANDLED_POLICY_LEGACY);
394 }
395 }
396 }
397
398 static const MonoParseHandler
399 legacyUEP_handler = {
400 "legacyUnhandledExceptionPolicy",
401 NULL, /* init */
402 legacyUEP_start,
403 NULL, /* text */
404 NULL, /* end */
405 NULL, /* finish */
406 };
407
408 static void
aot_cache_start(gpointer user_data,const gchar * element_name,const gchar ** attribute_names,const gchar ** attribute_values)409 aot_cache_start (gpointer user_data,
410 const gchar *element_name,
411 const gchar **attribute_names,
412 const gchar **attribute_values)
413 {
414 int i;
415 MonoAotCacheConfig *config;
416
417 if (strcmp (element_name, "aotcache") != 0)
418 return;
419
420 config = mono_get_aot_cache_config ();
421
422 /* Per-app configuration */
423 for (i = 0; attribute_names [i]; ++i) {
424 if (!strcmp (attribute_names [i], "app")) {
425 config->apps = g_slist_prepend (config->apps, g_strdup (attribute_values [i]));
426 }
427 }
428
429 /* Global configuration */
430 for (i = 0; attribute_names [i]; ++i) {
431 if (!strcmp (attribute_names [i], "assemblies")) {
432 char **parts, **ptr;
433 char *part;
434
435 parts = g_strsplit (attribute_values [i], " ", -1);
436 for (ptr = parts; ptr && *ptr; ptr ++) {
437 part = *ptr;
438 config->assemblies = g_slist_prepend (config->assemblies, g_strdup (part));
439 }
440 g_strfreev (parts);
441 } else if (!strcmp (attribute_names [i], "options")) {
442 config->aot_options = g_strdup (attribute_values [i]);
443 }
444 }
445 }
446
447 static const MonoParseHandler
448 aot_cache_handler = {
449 "aotcache",
450 NULL, /* init */
451 aot_cache_start,
452 NULL, /* text */
453 NULL, /* end */
454 NULL, /* finish */
455 };
456
457 static int inited = 0;
458
459 static void
mono_config_init(void)460 mono_config_init (void)
461 {
462 inited = 1;
463 config_handlers = g_hash_table_new (g_str_hash, g_str_equal);
464 g_hash_table_insert (config_handlers, (gpointer) dllmap_handler.element_name, (gpointer) &dllmap_handler);
465 g_hash_table_insert (config_handlers, (gpointer) legacyUEP_handler.element_name, (gpointer) &legacyUEP_handler);
466 g_hash_table_insert (config_handlers, (gpointer) aot_cache_handler.element_name, (gpointer) &aot_cache_handler);
467 }
468
469 /**
470 * mono_config_cleanup:
471 */
472 void
mono_config_cleanup(void)473 mono_config_cleanup (void)
474 {
475 if (config_handlers)
476 g_hash_table_destroy (config_handlers);
477 g_free (mono_cfg_dir);
478 }
479
480 /* FIXME: error handling */
481
482 static void
mono_config_parse_xml_with_context(ParseState * state,const char * text,gsize len)483 mono_config_parse_xml_with_context (ParseState *state, const char *text, gsize len)
484 {
485 GMarkupParseContext *context;
486
487 if (!inited)
488 mono_config_init ();
489
490 context = g_markup_parse_context_new (&mono_parser, (GMarkupParseFlags)0, state, NULL);
491 if (g_markup_parse_context_parse (context, text, len, NULL)) {
492 g_markup_parse_context_end_parse (context, NULL);
493 }
494 g_markup_parse_context_free (context);
495 }
496
497 /* If assembly is NULL, parse in the global context */
498 static int
mono_config_parse_file_with_context(ParseState * state,const char * filename)499 mono_config_parse_file_with_context (ParseState *state, const char *filename)
500 {
501 gchar *text;
502 gsize len;
503 gint offset;
504
505 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_CONFIG,
506 "Config attempting to parse: '%s'.", filename);
507
508 if (!g_file_get_contents (filename, &text, &len, NULL))
509 return 0;
510
511 offset = 0;
512 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
513 offset = 3; /* Skip UTF-8 BOM */
514 if (state->user_data == NULL)
515 state->user_data = (gpointer) filename;
516 mono_config_parse_xml_with_context (state, text + offset, len - offset);
517 g_free (text);
518 return 1;
519 }
520
521 /**
522 * mono_config_parse_memory:
523 * \param buffer a pointer to an string XML representation of the configuration
524 * Parses the configuration from a buffer
525 */
526 void
mono_config_parse_memory(const char * buffer)527 mono_config_parse_memory (const char *buffer)
528 {
529 ParseState state = {NULL};
530
531 state.user_data = (gpointer) "<buffer>";
532 mono_config_parse_xml_with_context (&state, buffer, strlen (buffer));
533 }
534
535 static void
mono_config_parse_file(const char * filename)536 mono_config_parse_file (const char *filename)
537 {
538 ParseState state = {NULL};
539 state.user_data = (gpointer) filename;
540 mono_config_parse_file_with_context (&state, filename);
541 }
542
543 /*
544 * use the equivalent lookup code from the GAC when available.
545 * Depending on state, this should give something like:
546 * aname/version-pubtoken/
547 * aname/version/
548 * aname
549 */
550 static char*
get_assembly_filename(MonoImage * image,int state)551 get_assembly_filename (MonoImage *image, int state)
552 {
553 switch (state) {
554 case 0:
555 return g_strdup (mono_image_get_name (image));
556 default:
557 return NULL;
558 }
559 }
560
561 typedef struct _BundledConfig BundledConfig;
562
563 struct _BundledConfig {
564 BundledConfig *next;
565 const char* aname;
566 const char* config_xml;
567 };
568
569 static BundledConfig *bundled_configs = NULL;
570
571 static const char *bundled_machine_config = NULL;
572
573 /**
574 * mono_register_config_for_assembly:
575 */
576 void
mono_register_config_for_assembly(const char * assembly_name,const char * config_xml)577 mono_register_config_for_assembly (const char* assembly_name, const char* config_xml)
578 {
579 BundledConfig *bconfig;
580
581 bconfig = g_new0 (BundledConfig, 1);
582 bconfig->aname = assembly_name;
583 bconfig->config_xml = config_xml;
584 bconfig->next = bundled_configs;
585 bundled_configs = bconfig;
586 }
587
588 /**
589 * mono_config_string_for_assembly_file:
590 */
591 const char *
mono_config_string_for_assembly_file(const char * filename)592 mono_config_string_for_assembly_file (const char *filename)
593 {
594 BundledConfig *bconfig;
595
596 for (bconfig = bundled_configs; bconfig; bconfig = bconfig->next) {
597 if (bconfig->aname && strcmp (bconfig->aname, filename) == 0)
598 return bconfig->config_xml;
599 }
600 return NULL;
601 }
602
603 /**
604 * mono_config_for_assembly:
605 */
606 void
mono_config_for_assembly(MonoImage * assembly)607 mono_config_for_assembly (MonoImage *assembly)
608 {
609 ParseState state = {NULL};
610 int got_it = 0, i;
611 char *aname, *cfg, *cfg_name;
612 const char *bundled_config;
613
614 state.assembly = assembly;
615
616 bundled_config = mono_config_string_for_assembly_file (assembly->module_name);
617 if (bundled_config) {
618 state.user_data = (gpointer) "<bundled>";
619 mono_config_parse_xml_with_context (&state, bundled_config, strlen (bundled_config));
620 }
621
622 cfg_name = g_strdup_printf ("%s.config", mono_image_get_filename (assembly));
623 mono_config_parse_file_with_context (&state, cfg_name);
624 g_free (cfg_name);
625
626 cfg_name = g_strdup_printf ("%s.config", mono_image_get_name (assembly));
627
628 for (i = 0; (aname = get_assembly_filename (assembly, i)) != NULL; ++i) {
629 cfg = g_build_filename (mono_get_config_dir (), "mono", "assemblies", aname, cfg_name, NULL);
630 got_it += mono_config_parse_file_with_context (&state, cfg);
631 g_free (cfg);
632
633 #ifdef TARGET_WIN32
634 const char *home = g_get_home_dir ();
635 cfg = g_build_filename (home, ".mono", "assemblies", aname, cfg_name, NULL);
636 got_it += mono_config_parse_file_with_context (&state, cfg);
637 g_free (cfg);
638 #endif
639 g_free (aname);
640 if (got_it)
641 break;
642 }
643 g_free (cfg_name);
644 }
645
646 /**
647 * mono_config_parse:
648 * \param filename the filename to load the configuration variables from.
649 * Pass a NULL filename to parse the default config files
650 * (or the file in the \c MONO_CONFIG env var).
651 */
652 void
mono_config_parse(const char * filename)653 mono_config_parse (const char *filename) {
654 const char *home;
655 char *mono_cfg;
656 #ifndef TARGET_WIN32
657 char *user_cfg;
658 #endif
659
660 if (filename) {
661 mono_config_parse_file (filename);
662 return;
663 }
664
665 // FIXME: leak, do we store any references to home
666 char *env_home = g_getenv ("MONO_CONFIG");
667 if (env_home) {
668 mono_config_parse_file (env_home);
669 return;
670 }
671
672 mono_cfg = g_build_filename (mono_get_config_dir (), "mono", "config", NULL);
673 mono_config_parse_file (mono_cfg);
674 g_free (mono_cfg);
675
676 #if !defined(TARGET_WIN32)
677 home = g_get_home_dir ();
678 user_cfg = g_strconcat (home, G_DIR_SEPARATOR_S, ".mono/config", NULL);
679 mono_config_parse_file (user_cfg);
680 g_free (user_cfg);
681 #endif
682 }
683
684 /**
685 * mono_set_config_dir:
686 * Invoked during startup
687 */
688 void
mono_set_config_dir(const char * dir)689 mono_set_config_dir (const char *dir)
690 {
691 /* If this environment variable is set, overrides the directory computed */
692 char *env_mono_cfg_dir = g_getenv ("MONO_CFG_DIR");
693 if (env_mono_cfg_dir == NULL && dir != NULL)
694 env_mono_cfg_dir = g_strdup (dir);
695
696 mono_cfg_dir = env_mono_cfg_dir;
697 }
698
699 /**
700 * mono_get_config_dir:
701 */
702 const char*
mono_get_config_dir(void)703 mono_get_config_dir (void)
704 {
705 if (mono_cfg_dir == NULL)
706 mono_set_dirs (NULL, NULL);
707
708 return mono_cfg_dir;
709 }
710
711 /**
712 * mono_register_machine_config:
713 */
714 void
mono_register_machine_config(const char * config_xml)715 mono_register_machine_config (const char *config_xml)
716 {
717 bundled_machine_config = config_xml;
718 }
719
720 /**
721 * mono_get_machine_config:
722 */
723 const char *
mono_get_machine_config(void)724 mono_get_machine_config (void)
725 {
726 return bundled_machine_config;
727 }
728
729 static void
assembly_binding_end(gpointer user_data,const char * element_name)730 assembly_binding_end (gpointer user_data, const char *element_name)
731 {
732 ParserUserData *pud = (ParserUserData *)user_data;
733
734 if (!strcmp (element_name, "dependentAssembly")) {
735 if (pud->info_parsed && pud->info) {
736 pud->info_parsed (pud->info, pud->user_data);
737 g_free (pud->info->name);
738 g_free (pud->info->culture);
739 }
740 }
741 }
742
743 static void
publisher_policy_start(gpointer user_data,const gchar * element_name,const gchar ** attribute_names,const gchar ** attribute_values)744 publisher_policy_start (gpointer user_data,
745 const gchar *element_name,
746 const gchar **attribute_names,
747 const gchar **attribute_values)
748 {
749 ParserUserData *pud;
750 MonoAssemblyBindingInfo *info;
751 int n;
752
753 pud = (ParserUserData *)user_data;
754 info = pud->info;
755 if (!strcmp (element_name, "dependentAssembly")) {
756 info->name = NULL;
757 info->culture = NULL;
758 info->has_old_version_bottom = FALSE;
759 info->has_old_version_top = FALSE;
760 info->has_new_version = FALSE;
761 info->is_valid = FALSE;
762 memset (&info->old_version_bottom, 0, sizeof (info->old_version_bottom));
763 memset (&info->old_version_top, 0, sizeof (info->old_version_top));
764 memset (&info->new_version, 0, sizeof (info->new_version));
765 } else if (!strcmp (element_name, "assemblyIdentity")) {
766 for (n = 0; attribute_names [n]; n++) {
767 const gchar *attribute_name = attribute_names [n];
768
769 if (!strcmp (attribute_name, "name"))
770 info->name = g_strdup (attribute_values [n]);
771 else if (!strcmp (attribute_name, "publicKeyToken")) {
772 if (strlen (attribute_values [n]) == MONO_PUBLIC_KEY_TOKEN_LENGTH - 1)
773 g_strlcpy ((char *) info->public_key_token, attribute_values [n], MONO_PUBLIC_KEY_TOKEN_LENGTH);
774 } else if (!strcmp (attribute_name, "culture")) {
775 if (!strcmp (attribute_values [n], "neutral"))
776 info->culture = g_strdup ("");
777 else
778 info->culture = g_strdup (attribute_values [n]);
779 }
780 }
781 } else if (!strcmp (element_name, "bindingRedirect")) {
782 for (n = 0; attribute_names [n]; n++) {
783 const gchar *attribute_name = attribute_names [n];
784
785 if (!strcmp (attribute_name, "oldVersion")) {
786 gchar **numbers, **version, **versions;
787 gint major, minor, build, revision;
788
789 /* Invalid value */
790 if (!strcmp (attribute_values [n], ""))
791 return;
792
793 versions = g_strsplit (attribute_values [n], "-", 2);
794 version = g_strsplit (*versions, ".", 4);
795
796 /* We assign the values to gint vars to do the checks */
797 numbers = version;
798 major = *numbers ? atoi (*numbers++) : -1;
799 minor = *numbers ? atoi (*numbers++) : -1;
800 build = *numbers ? atoi (*numbers++) : -1;
801 revision = *numbers ? atoi (*numbers) : -1;
802 g_strfreev (version);
803 if (major < 0 || minor < 0 || build < 0 || revision < 0) {
804 g_strfreev (versions);
805 return;
806 }
807
808 info->old_version_bottom.major = major;
809 info->old_version_bottom.minor = minor;
810 info->old_version_bottom.build = build;
811 info->old_version_bottom.revision = revision;
812 info->has_old_version_bottom = TRUE;
813
814 if (!*(versions + 1)) {
815 g_strfreev (versions);
816 continue;
817 }
818
819 numbers = version = g_strsplit (*(versions + 1), ".", 4);
820 major = *numbers ? atoi (*numbers++) : -1;
821 minor = *numbers ? atoi (*numbers++) : -1;
822 build = *numbers ? atoi (*numbers++) : -1;
823 revision = *numbers ? atoi (*numbers) : 1;
824 g_strfreev (version);
825 if (major < 0 || minor < 0 || build < 0 || revision < 0) {
826 g_strfreev (versions);
827 return;
828 }
829
830 info->old_version_top.major = major;
831 info->old_version_top.minor = minor;
832 info->old_version_top.build = build;
833 info->old_version_top.revision = revision;
834 info->has_old_version_top = TRUE;
835
836 g_strfreev (versions);
837 } else if (!strcmp (attribute_name, "newVersion")) {
838 gchar **numbers, **version;
839
840 /* Invalid value */
841 if (!strcmp (attribute_values [n], ""))
842 return;
843
844 numbers = version = g_strsplit (attribute_values [n], ".", 4);
845 info->new_version.major = *numbers ? atoi (*numbers++) : -1;
846 info->new_version.minor = *numbers ? atoi (*numbers++) : -1;
847 info->new_version.build = *numbers ? atoi (*numbers++) : -1;
848 info->new_version.revision = *numbers ? atoi (*numbers) : -1;
849 info->has_new_version = TRUE;
850 g_strfreev (version);
851 }
852 }
853 }
854 }
855
856 static MonoParseHandler
857 publisher_policy_parser = {
858 "", /* We don't need to use declare an xml element */
859 NULL,
860 publisher_policy_start,
861 NULL,
862 NULL,
863 NULL
864 };
865
866 void
mono_config_parse_publisher_policy(const gchar * filename,MonoAssemblyBindingInfo * info)867 mono_config_parse_publisher_policy (const gchar *filename, MonoAssemblyBindingInfo *info)
868 {
869 ParserUserData user_data = {
870 info,
871 NULL,
872 NULL
873 };
874 ParseState state = {
875 &publisher_policy_parser, /* MonoParseHandler */
876 &user_data, /* user_data */
877 NULL, /* MonoImage (we don't need it right now)*/
878 TRUE /* We are already inited */
879 };
880
881 mono_config_parse_file_with_context (&state, filename);
882 }
883
884 static MonoParseHandler
885 config_assemblybinding_parser = {
886 "", /* We don't need to use declare an xml element */
887 NULL,
888 publisher_policy_start,
889 NULL,
890 assembly_binding_end,
891 NULL
892 };
893
894 void
mono_config_parse_assembly_bindings(const char * filename,int amajor,int aminor,void * user_data,void (* infocb)(MonoAssemblyBindingInfo * info,void * user_data))895 mono_config_parse_assembly_bindings (const char *filename, int amajor, int aminor, void *user_data, void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data))
896 {
897 MonoAssemblyBindingInfo info;
898 ParserUserData pud;
899 ParseState state;
900
901 info.major = amajor;
902 info.minor = aminor;
903
904 pud.info = &info;
905 pud.info_parsed = infocb;
906 pud.user_data = user_data;
907
908 state.current = &config_assemblybinding_parser; /* MonoParseHandler */
909 state.user_data = &pud;
910 state.assembly = NULL; /* MonoImage (we don't need it right now)*/
911 state.inited = TRUE; /* We are already inited */
912
913 mono_config_parse_file_with_context (&state, filename);
914 }
915
916 static mono_bool mono_server_mode = FALSE;
917
918 /**
919 * mono_config_set_server_mode:
920 */
921 void
mono_config_set_server_mode(mono_bool server_mode)922 mono_config_set_server_mode (mono_bool server_mode)
923 {
924 mono_server_mode = server_mode;
925 }
926
927 /**
928 * mono_config_is_server_mode:
929 */
930 mono_bool
mono_config_is_server_mode(void)931 mono_config_is_server_mode (void)
932 {
933 return mono_server_mode;
934 }
935
936