mono/metadata/process.c

   1 /*
   2  * process.c: System.Diagnostics.Process support
   3  *
   4  * Author:
   5  *      Dick Porter (dick@ximian.com)
   6  *
   7  * Copyright 2002 Ximian, Inc.
   8  * Copyright 2002-2006 Novell, Inc.
   9  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  10  */
  11
  12 #include <config.h>
  13
  14 #include <glib.h>
  15 #include <string.h>
  16
  17 #include <mono/metadata/object-internals.h>
  18 #include <mono/metadata/process.h>
  19 #include <mono/metadata/assembly.h>
  20 #include <mono/metadata/appdomain.h>
  21 #include <mono/metadata/image.h>
  22 #include <mono/metadata/cil-coff.h>
  23 #include <mono/metadata/exception.h>
  24 #include <mono/metadata/threadpool-ms-io.h>
  25 #include <mono/utils/strenc.h>
  26 #include <mono/utils/mono-proclib.h>
  27 #include <mono/io-layer/io-layer.h>
  28 /* FIXME: fix this code to not depend so much on the internals */
  29 #include <mono/metadata/class-internals.h>
  30
  31 #define LOGDEBUG(...)
  32 /* define LOGDEBUG(...) g_message(__VA_ARGS__)  */
  33
  34 #ifdef _WIN32
  35 #include <shellapi.h>
  36 #endif
  37
  38 HANDLE
  39 ves_icall_System_Diagnostics_Process_GetProcess_internal (guint32 pid)
  40 {
  41         HANDLE handle;
  42
  43         /* GetCurrentProcess returns a pseudo-handle, so use
  44          * OpenProcess instead
  45          */
  46         handle = OpenProcess (PROCESS_ALL_ACCESS, TRUE, pid);
  47         if (handle == NULL)
  48                 /* FIXME: Throw an exception */
  49                 return NULL;
  50         return handle;
  51 }
  52
  53 static MonoImage *system_assembly;
  54
  55 static void
  56 stash_system_assembly (MonoObject *obj)
  57 {
  58         if (!system_assembly)
  59                 system_assembly = obj->vtable->klass->image;
  60 }
  61
  62 //Hand coded version that loads from system
  63 static MonoClass*
  64 mono_class_get_file_version_info_class (void)
  65 {
  66         static MonoClass *tmp_class;
  67         MonoClass *klass = tmp_class;
  68         if (!klass) {
  69                 klass = mono_class_load_from_name (system_assembly, "System.Diagnostics", "FileVersionInfo");
  70                 mono_memory_barrier ();
  71                 tmp_class = klass;
  72         }
  73         return klass;
  74 }
  75
  76 static MonoClass*
  77 mono_class_get_process_module_class (void)
  78 {
  79         static MonoClass *tmp_class;
  80         MonoClass *klass = tmp_class;
  81         if (!klass) {
  82                 klass = mono_class_load_from_name (system_assembly, "System.Diagnostics", "ProcessModule");
  83                 mono_memory_barrier ();
  84                 tmp_class = klass;
  85         }
  86         return klass;
  87 }
  88
  89 static guint32
  90 unicode_chars (const gunichar2 *str)
  91 {
  92         guint32 len;
  93
  94         for (len = 0; str [len] != '\0'; ++len)
  95                 ;
  96         return len;
  97 }
  98
  99 static void
 100 process_set_field_object (MonoObject *obj, const gchar *fieldname,
 101                                                   MonoObject *data)
 102 {
 103         MonoClassField *field;
 104
 105         LOGDEBUG (g_message ("%s: Setting field %s to object at %p", __func__, fieldname, data));
 106
 107         field = mono_class_get_field_from_name (mono_object_class (obj),
 108                                                                                         fieldname);
 109         mono_gc_wbarrier_generic_store (((char *)obj) + field->offset, data);
 110 }
 111
 112 static void
 113 process_set_field_string (MonoObject *obj, const gchar *fieldname,
 114                                                   const gunichar2 *val, guint32 len, MonoError *error)
 115 {
 116         MonoClassField *field;
 117         MonoString *string;
 118
 119         mono_error_init (error);
 120
 121         LOGDEBUG (g_message ("%s: Setting field %s to [%s]", __func__, fieldname, g_utf16_to_utf8 (val, len, NULL, NULL, NULL)));
 122
 123         string = mono_string_new_utf16_checked (mono_object_domain (obj), val, len, error);
 124
 125         field = mono_class_get_field_from_name (mono_object_class (obj),
 126                                                                                         fieldname);
 127         mono_gc_wbarrier_generic_store (((char *)obj) + field->offset, (MonoObject*)string);
 128 }
 129
 130 static void
 131 process_set_field_string_char (MonoObject *obj, const gchar *fieldname,
 132                                                            const gchar *val)
 133 {
 134         MonoClassField *field;
 135         MonoString *string;
 136
 137         LOGDEBUG (g_message ("%s: Setting field %s to [%s]", __func__, fieldname, val));
 138
 139         string = mono_string_new (mono_object_domain (obj), val);
 140
 141         field = mono_class_get_field_from_name (mono_object_class (obj), fieldname);
 142         mono_gc_wbarrier_generic_store (((char *)obj) + field->offset, (MonoObject*)string);
 143 }
 144
 145 static void
 146 process_set_field_int (MonoObject *obj, const gchar *fieldname,
 147                                            guint32 val)
 148 {
 149         MonoClassField *field;
 150
 151         LOGDEBUG (g_message ("%s: Setting field %s to %d", __func__,fieldname, val));
 152
 153         field = mono_class_get_field_from_name (mono_object_class (obj),
 154                                               fieldname);
 155         *(guint32 *)(((char *)obj) + field->offset)=val;
 156 }
 157
 158 static void
 159 process_set_field_intptr (MonoObject *obj, const gchar *fieldname,
 160                                                   gpointer val)
 161 {
 162         MonoClassField *field;
 163
 164         LOGDEBUG (g_message ("%s: Setting field %s to %p", __func__, fieldname, val));
 165
 166         field = mono_class_get_field_from_name (mono_object_class (obj),
 167                                                                                         fieldname);
 168         *(gpointer *)(((char *)obj) + field->offset) = val;
 169 }
 170
 171 static void
 172 process_set_field_bool (MonoObject *obj, const gchar *fieldname,
 173                                                 gboolean val)
 174 {
 175         MonoClassField *field;
 176
 177         LOGDEBUG (g_message ("%s: Setting field %s to %s", __func__, fieldname, val ? "TRUE":"FALSE"));
 178
 179         field = mono_class_get_field_from_name (mono_object_class (obj),
 180                                                                                         fieldname);
 181         *(guint8 *)(((char *)obj) + field->offset) = val;
 182 }
 183
 184 #define SFI_COMMENTS            "\\StringFileInfo\\%02X%02X%02X%02X\\Comments"
 185 #define SFI_COMPANYNAME         "\\StringFileInfo\\%02X%02X%02X%02X\\CompanyName"
 186 #define SFI_FILEDESCRIPTION     "\\StringFileInfo\\%02X%02X%02X%02X\\FileDescription"
 187 #define SFI_FILEVERSION         "\\StringFileInfo\\%02X%02X%02X%02X\\FileVersion"
 188 #define SFI_INTERNALNAME        "\\StringFileInfo\\%02X%02X%02X%02X\\InternalName"
 189 #define SFI_LEGALCOPYRIGHT      "\\StringFileInfo\\%02X%02X%02X%02X\\LegalCopyright"
 190 #define SFI_LEGALTRADEMARKS     "\\StringFileInfo\\%02X%02X%02X%02X\\LegalTrademarks"
 191 #define SFI_ORIGINALFILENAME    "\\StringFileInfo\\%02X%02X%02X%02X\\OriginalFilename"
 192 #define SFI_PRIVATEBUILD        "\\StringFileInfo\\%02X%02X%02X%02X\\PrivateBuild"
 193 #define SFI_PRODUCTNAME         "\\StringFileInfo\\%02X%02X%02X%02X\\ProductName"
 194 #define SFI_PRODUCTVERSION      "\\StringFileInfo\\%02X%02X%02X%02X\\ProductVersion"
 195 #define SFI_SPECIALBUILD        "\\StringFileInfo\\%02X%02X%02X%02X\\SpecialBuild"
 196 #define EMPTY_STRING            (gunichar2*)"\000\000"
 197
 198 static void
 199 process_module_string_read (MonoObject *filever, gpointer data,
 200                                                         const gchar *fieldname,
 201                                                         guchar lang_hi, guchar lang_lo,
 202                                                         const gchar *key, MonoError *error)
 203 {
 204         gchar *lang_key_utf8;
 205         gunichar2 *lang_key, *buffer;
 206         UINT chars;
 207
 208         mono_error_init (error);
 209
 210         lang_key_utf8 = g_strdup_printf (key, lang_lo, lang_hi, 0x04, 0xb0);
 211
 212         LOGDEBUG (g_message ("%s: asking for [%s]", __func__, lang_key_utf8));
 213
 214         lang_key = g_utf8_to_utf16 (lang_key_utf8, -1, NULL, NULL, NULL);
 215
 216         if (VerQueryValue (data, lang_key, (gpointer *)&buffer, &chars) && chars > 0) {
 217                 LOGDEBUG (g_message ("%s: found %d chars of [%s]", __func__, chars, g_utf16_to_utf8 (buffer, chars, NULL, NULL, NULL)));
 218                 /* chars includes trailing null */
 219                 process_set_field_string (filever, fieldname, buffer, chars - 1, error);
 220         } else {
 221                 process_set_field_string (filever, fieldname, EMPTY_STRING, 0, error);
 222         }
 223
 224         g_free (lang_key);
 225         g_free (lang_key_utf8);
 226 }
 227
 228 typedef struct {
 229         const char *name;
 230         const char *id;
 231 } StringTableEntry;
 232
 233 static StringTableEntry stringtable_entries [] = {
 234         { "comments", SFI_COMMENTS },
 235         { "companyname", SFI_COMPANYNAME },
 236         { "filedescription", SFI_FILEDESCRIPTION },
 237         { "fileversion", SFI_FILEVERSION },
 238         { "internalname", SFI_INTERNALNAME },
 239         { "legalcopyright", SFI_LEGALCOPYRIGHT },
 240         { "legaltrademarks", SFI_LEGALTRADEMARKS },
 241         { "originalfilename", SFI_ORIGINALFILENAME },
 242         { "privatebuild", SFI_PRIVATEBUILD },
 243         { "productname", SFI_PRODUCTNAME },
 244         { "productversion", SFI_PRODUCTVERSION },
 245         { "specialbuild", SFI_SPECIALBUILD }
 246 };
 247
 248 static void
 249 process_module_stringtable (MonoObject *filever, gpointer data,
 250                                                         guchar lang_hi, guchar lang_lo, MonoError *error)
 251 {
 252         int i;
 253
 254         for (i = 0; i < G_N_ELEMENTS (stringtable_entries); ++i) {
 255                 process_module_string_read (filever, data, stringtable_entries [i].name, lang_hi, lang_lo,
 256                                                                         stringtable_entries [i].id, error);
 257                 return_if_nok (error);
 258         }
 259 }
 260
 261 static void
 262 process_get_fileversion (MonoObject *filever, gunichar2 *filename, MonoError *error)
 263 {
 264         DWORD verinfohandle;
 265         VS_FIXEDFILEINFO *ffi;
 266         gpointer data;
 267         DWORD datalen;
 268         guchar *trans_data;
 269         gunichar2 *query;
 270         UINT ffi_size, trans_size;
 271         BOOL ok;
 272         gunichar2 lang_buf[128];
 273         guint32 lang, lang_count;
 274
 275         mono_error_init (error);
 276
 277         datalen = GetFileVersionInfoSize (filename, &verinfohandle);
 278         if (datalen) {
 279                 data = g_malloc0 (datalen);
 280                 ok = GetFileVersionInfo (filename, verinfohandle, datalen,
 281                                          data);
 282                 if (ok) {
 283                         query = g_utf8_to_utf16 ("\\", -1, NULL, NULL, NULL);
 284                         if (query == NULL) {
 285                                 g_free (data);
 286                                 return;
 287                         }
 288
 289                         if (VerQueryValue (data, query, (gpointer *)&ffi,
 290                             &ffi_size)) {
 291                                 LOGDEBUG (g_message ("%s: recording assembly: FileName [%s] FileVersionInfo [%d.%d.%d.%d]", __func__, g_utf16_to_utf8 (filename, -1, NULL, NULL, NULL), HIWORD (ffi->dwFileVersionMS), LOWORD (ffi->dwFileVersionMS), HIWORD (ffi->dwFileVersionLS), LOWORD (ffi->dwFileVersionLS)));
 292
 293                                 process_set_field_int (filever, "filemajorpart", HIWORD (ffi->dwFileVersionMS));
 294                                 process_set_field_int (filever, "fileminorpart", LOWORD (ffi->dwFileVersionMS));
 295                                 process_set_field_int (filever, "filebuildpart", HIWORD (ffi->dwFileVersionLS));
 296                                 process_set_field_int (filever, "fileprivatepart", LOWORD (ffi->dwFileVersionLS));
 297
 298                                 process_set_field_int (filever, "productmajorpart", HIWORD (ffi->dwProductVersionMS));
 299                                 process_set_field_int (filever, "productminorpart", LOWORD (ffi->dwProductVersionMS));
 300                                 process_set_field_int (filever, "productbuildpart", HIWORD (ffi->dwProductVersionLS));
 301                                 process_set_field_int (filever, "productprivatepart", LOWORD (ffi->dwProductVersionLS));
 302
 303                                 process_set_field_bool (filever, "isdebug", ((ffi->dwFileFlags & ffi->dwFileFlagsMask) & VS_FF_DEBUG) != 0);
 304                                 process_set_field_bool (filever, "isprerelease", ((ffi->dwFileFlags & ffi->dwFileFlagsMask) & VS_FF_PRERELEASE) != 0);
 305                                 process_set_field_bool (filever, "ispatched", ((ffi->dwFileFlags & ffi->dwFileFlagsMask) & VS_FF_PATCHED) != 0);
 306                                 process_set_field_bool (filever, "isprivatebuild", ((ffi->dwFileFlags & ffi->dwFileFlagsMask) & VS_FF_PRIVATEBUILD) != 0);
 307                                 process_set_field_bool (filever, "isspecialbuild", ((ffi->dwFileFlags & ffi->dwFileFlagsMask) & VS_FF_SPECIALBUILD) != 0);
 308                         }
 309                         g_free (query);
 310
 311                         query = g_utf8_to_utf16 ("\\VarFileInfo\\Translation", -1, NULL, NULL, NULL);
 312                         if (query == NULL) {
 313                                 g_free (data);
 314                                 return;
 315                         }
 316
 317                         if (VerQueryValue (data, query,
 318                                            (gpointer *)&trans_data,
 319                                            &trans_size)) {
 320                                 /* use the first language ID we see
 321                                  */
 322                                 if (trans_size >= 4) {
 323                                         LOGDEBUG (g_message("%s: %s has 0x%0x 0x%0x 0x%0x 0x%0x", __func__, g_utf16_to_utf8 (filename, -1, NULL, NULL, NULL), trans_data[0], trans_data[1], trans_data[2], trans_data[3]));
 324                                         lang = (trans_data[0]) |
 325                                                 (trans_data[1] << 8) |
 326                                                 (trans_data[2] << 16) |
 327                                                 (trans_data[3] << 24);
 328                                         /* Only give the lower 16 bits
 329                                          * to VerLanguageName, as
 330                                          * Windows gets confused
 331                                          * otherwise
 332                                          */
 333                                         lang_count = VerLanguageName (lang & 0xFFFF, lang_buf, 128);
 334                                         if (lang_count) {
 335                                                 process_set_field_string (filever, "language", lang_buf, lang_count, error);
 336                                                 return_if_nok (error);
 337                                         }
 338                                         process_module_stringtable (filever, data, trans_data[0], trans_data[1], error);
 339                                         return_if_nok (error);
 340                                 }
 341                         } else {
 342                                 int i;
 343
 344                                 for (i = 0; i < G_N_ELEMENTS (stringtable_entries); ++i) {
 345                                         /* No strings, so set every field to
 346                                          * the empty string
 347                                          */
 348                                         process_set_field_string (filever,
 349                                                                                           stringtable_entries [i].name,
 350                                                                                           EMPTY_STRING, 0, error);
 351                                         return_if_nok (error);
 352                                 }
 353
 354                                 /* And language seems to be set to
 355                                  * en_US according to bug 374600
 356                                  */
 357                                 lang_count = VerLanguageName (0x0409, lang_buf, 128);
 358                                 if (lang_count) {
 359                                         process_set_field_string (filever, "language", lang_buf, lang_count, error);
 360                                         return_if_nok (error);
 361                                 }
 362                         }
 363
 364                         g_free (query);
 365                 }
 366                 g_free (data);
 367         }
 368 }
 369
 370 static void
 371 process_get_assembly_fileversion (MonoObject *filever, MonoAssembly *assembly)
 372 {
 373         process_set_field_int (filever, "filemajorpart", assembly->aname.major);
 374         process_set_field_int (filever, "fileminorpart", assembly->aname.minor);
 375         process_set_field_int (filever, "filebuildpart", assembly->aname.build);
 376 }
 377
 378 static MonoObject*
 379 get_process_module (MonoAssembly *assembly, MonoClass *proc_class, MonoError *error)
 380 {
 381         MonoObject *item, *filever;
 382         MonoDomain *domain = mono_domain_get ();
 383         char *filename;
 384         const char *modulename = assembly->aname.name;
 385
 386         mono_error_init (error);
 387
 388         /* Build a System.Diagnostics.ProcessModule with the data.
 389          */
 390         item = mono_object_new_checked (domain, proc_class, error);
 391         return_val_if_nok (error, NULL);
 392         filever = mono_object_new_checked (domain, mono_class_get_file_version_info_class (), error);
 393         return_val_if_nok (error, NULL);
 394
 395         filename = g_strdup_printf ("[In Memory] %s", modulename);
 396
 397         process_get_assembly_fileversion (filever, assembly);
 398         process_set_field_string_char (filever, "filename", filename);
 399         process_set_field_object (item, "version_info", filever);
 400
 401         process_set_field_intptr (item, "baseaddr", assembly->image->raw_data);
 402         process_set_field_int (item, "memory_size", assembly->image->raw_data_len);
 403         process_set_field_string_char (item, "filename", filename);
 404         process_set_field_string_char (item, "modulename", modulename);
 405
 406         g_free (filename);
 407
 408         return item;
 409 }
 410
 411 static MonoObject*
 412 process_add_module (HANDLE process, HMODULE mod, gunichar2 *filename, gunichar2 *modulename, MonoClass *proc_class, MonoError *error)
 413 {
 414         MonoObject *item, *filever;
 415         MonoDomain *domain = mono_domain_get ();
 416         MODULEINFO modinfo;
 417         BOOL ok;
 418
 419         mono_error_init (error);
 420
 421         /* Build a System.Diagnostics.ProcessModule with the data.
 422          */
 423         item = mono_object_new_checked (domain, proc_class, error);
 424         return_val_if_nok (error, NULL);
 425         filever = mono_object_new_checked (domain, mono_class_get_file_version_info_class (), error);
 426         return_val_if_nok (error, NULL);
 427
 428         process_get_fileversion (filever, filename, error);
 429         return_val_if_nok (error, NULL);
 430
 431         process_set_field_string (filever, "filename", filename,
 432                                                           unicode_chars (filename), error);
 433         return_val_if_nok (error, NULL);
 434         ok = GetModuleInformation (process, mod, &modinfo, sizeof(MODULEINFO));
 435         if (ok) {
 436                 process_set_field_intptr (item, "baseaddr",
 437                                           modinfo.lpBaseOfDll);
 438                 process_set_field_intptr (item, "entryaddr",
 439                                           modinfo.EntryPoint);
 440                 process_set_field_int (item, "memory_size",
 441                                        modinfo.SizeOfImage);
 442         }
 443         process_set_field_string (item, "filename", filename,
 444                                                           unicode_chars (filename), error);
 445         return_val_if_nok (error, NULL);
 446         process_set_field_string (item, "modulename", modulename,
 447                                                           unicode_chars (modulename), error);
 448         return_val_if_nok (error, NULL);
 449         process_set_field_object (item, "version_info", filever);
 450
 451         return item;
 452 }
 453
 454 static GPtrArray*
 455 get_domain_assemblies (MonoDomain *domain)
 456 {
 457         GSList *tmp;
 458         GPtrArray *assemblies;
 459
 460         /*
 461          * Make a copy of the list of assemblies because we can't hold the assemblies
 462          * lock while creating objects etc.
 463          */
 464         assemblies = g_ptr_array_new ();
 465         mono_domain_assemblies_lock (domain);
 466         for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
 467                 MonoAssembly *ass = (MonoAssembly *)tmp->data;
 468                 if (ass->image->fileio_used)
 469                         continue;
 470                 g_ptr_array_add (assemblies, ass);
 471         }
 472         mono_domain_assemblies_unlock (domain);
 473
 474         return assemblies;
 475 }
 476
 477 /* Returns an array of System.Diagnostics.ProcessModule */
 478 MonoArray *
 479 ves_icall_System_Diagnostics_Process_GetModules_internal (MonoObject *this_obj, HANDLE process)
 480 {
 481         MonoError error;
 482         MonoArray *temp_arr = NULL;
 483         MonoArray *arr;
 484         HMODULE mods[1024];
 485         gunichar2 filename[MAX_PATH];
 486         gunichar2 modname[MAX_PATH];
 487         DWORD needed;
 488         guint32 count = 0, module_count = 0, assembly_count = 0;
 489         guint32 i, num_added = 0;
 490         GPtrArray *assemblies = NULL;
 491         static HANDLE current_process = 0;
 492
 493         if (current_process == 0) {
 494                 int pid = mono_process_current_pid ();
 495                 current_process = ves_icall_System_Diagnostics_Process_GetProcess_internal (pid);
 496         }
 497
 498         stash_system_assembly (this_obj);
 499
 500         if (process == current_process) {
 501                 assemblies = get_domain_assemblies (mono_domain_get ());
 502                 assembly_count = assemblies->len;
 503         }
 504
 505         if (EnumProcessModules (process, mods, sizeof(mods), &needed)) {
 506                 module_count += needed / sizeof(HMODULE);
 507         }
 508
 509         count = module_count + assembly_count;
 510         temp_arr = mono_array_new_checked (mono_domain_get (), mono_class_get_process_module_class (), count, &error);
 511         if (mono_error_set_pending_exception (&error))
 512                 return NULL;
 513
 514         for (i = 0; i < module_count; i++) {
 515                 if (GetModuleBaseName (process, mods[i], modname, MAX_PATH) &&
 516                                 GetModuleFileNameEx (process, mods[i], filename, MAX_PATH)) {
 517                         MonoObject *module = process_add_module (process, mods[i],
 518                                                                                                          filename, modname, mono_class_get_process_module_class (), &error);
 519                         if (!mono_error_ok (&error)) {
 520                                 mono_error_set_pending_exception (&error);
 521                                 return NULL;
 522                         }
 523                         mono_array_setref (temp_arr, num_added++, module);
 524                 }
 525         }
 526
 527         if (assemblies) {
 528                 for (i = 0; i < assembly_count; i++) {
 529                         MonoAssembly *ass = (MonoAssembly *)g_ptr_array_index (assemblies, i);
 530                         MonoObject *module = get_process_module (ass, mono_class_get_process_module_class (), &error);
 531                         if (!mono_error_ok (&error)) {
 532                                 mono_error_set_pending_exception (&error);
 533                                 return NULL;
 534                         }
 535                         mono_array_setref (temp_arr, num_added++, module);
 536                 }
 537                 g_ptr_array_free (assemblies, TRUE);
 538         }
 539
 540         if (count == num_added) {
 541                 arr = temp_arr;
 542         } else {
 543                 /* shorter version of the array */
 544                 arr = mono_array_new_checked (mono_domain_get (), mono_class_get_process_module_class (), num_added, &error);
 545                 if (mono_error_set_pending_exception (&error))
 546                         return NULL;
 547
 548                 for (i = 0; i < num_added; i++)
 549                         mono_array_setref (arr, i, mono_array_get (temp_arr, MonoObject*, i));
 550         }
 551
 552         return arr;
 553 }
 554
 555 void
 556 ves_icall_System_Diagnostics_FileVersionInfo_GetVersionInfo_internal (MonoObject *this_obj, MonoString *filename)
 557 {
 558         MonoError error;
 559
 560         stash_system_assembly (this_obj);
 561
 562         process_get_fileversion (this_obj, mono_string_chars (filename), &error);
 563         if (!mono_error_ok (&error)) {
 564                 mono_error_set_pending_exception (&error);
 565                 return;
 566         }
 567         process_set_field_string (this_obj, "filename",
 568                                                           mono_string_chars (filename),
 569                                                           mono_string_length (filename), &error);
 570         if (!mono_error_ok (&error)) {
 571                 mono_error_set_pending_exception (&error);
 572                 return;
 573         }
 574 }
 575
 576 /* Only used when UseShellExecute is false */
 577 static gchar *
 578 quote_path (const gchar *path)
 579 {
 580         gchar *res = g_shell_quote (path);
 581 #ifdef TARGET_WIN32
 582         {
 583         gchar *q = res;
 584         while (*q) {
 585                 if (*q == '\'')
 586                         *q = '\"';
 587                 q++;
 588         }
 589         }
 590 #endif
 591         return res;
 592 }
 593
 594 /* Only used when UseShellExecute is false */
 595 static gboolean
 596 complete_path (const gunichar2 *appname, gchar **completed)
 597 {
 598         gchar *utf8app, *utf8appmemory;
 599         gchar *found;
 600
 601         utf8appmemory = utf8app = g_utf16_to_utf8 (appname, -1, NULL, NULL, NULL);
 602 #ifdef TARGET_WIN32 // Should this happen on all platforms?
 603         {
 604                 // remove the quotes around utf8app.
 605                 size_t len;
 606                 len = strlen (utf8app);
 607                 if (len) {
 608                         if (utf8app[len-1] == '\"')
 609                                 utf8app[len-1] = '\0';
 610                         if (utf8app[0] == '\"')
 611                                 utf8app++;
 612                 }
 613         }
 614 #endif
 615
 616         if (g_path_is_absolute (utf8app)) {
 617                 *completed = quote_path (utf8app);
 618                 g_free (utf8appmemory);
 619                 return TRUE;
 620         }
 621
 622         if (g_file_test (utf8app, G_FILE_TEST_IS_EXECUTABLE) && !g_file_test (utf8app, G_FILE_TEST_IS_DIR)) {
 623                 *completed = quote_path (utf8app);
 624                 g_free (utf8appmemory);
 625                 return TRUE;
 626         }
 627
 628         found = g_find_program_in_path (utf8app);
 629         if (found == NULL) {
 630                 *completed = NULL;
 631                 g_free (utf8appmemory);
 632                 return FALSE;
 633         }
 634
 635         *completed = quote_path (found);
 636         g_free (found);
 637         g_free (utf8appmemory);
 638         return TRUE;
 639 }
 640
 641 MonoBoolean
 642 ves_icall_System_Diagnostics_Process_ShellExecuteEx_internal (MonoProcessStartInfo *proc_start_info, MonoProcInfo *process_info)
 643 {
 644         SHELLEXECUTEINFO shellex = {0};
 645         gboolean ret;
 646
 647         shellex.cbSize = sizeof(SHELLEXECUTEINFO);
 648         shellex.fMask = (gulong)(SEE_MASK_FLAG_DDEWAIT | SEE_MASK_NOCLOSEPROCESS | SEE_MASK_UNICODE);
 649         shellex.nShow = (gulong)proc_start_info->window_style;
 650         shellex.nShow = (gulong)((shellex.nShow == 0) ? 1 : (shellex.nShow == 1 ? 0 : shellex.nShow));
 651
 652         if (proc_start_info->filename != NULL) {
 653                 shellex.lpFile = mono_string_chars (proc_start_info->filename);
 654         }
 655
 656         if (proc_start_info->arguments != NULL) {
 657                 shellex.lpParameters = mono_string_chars (proc_start_info->arguments);
 658         }
 659
 660         if (proc_start_info->verb != NULL &&
 661             mono_string_length (proc_start_info->verb) != 0) {
 662                 shellex.lpVerb = mono_string_chars (proc_start_info->verb);
 663         }
 664
 665         if (proc_start_info->working_directory != NULL &&
 666             mono_string_length (proc_start_info->working_directory) != 0) {
 667                 shellex.lpDirectory = mono_string_chars (proc_start_info->working_directory);
 668         }
 669
 670         if (proc_start_info->error_dialog) {
 671                 shellex.hwnd = proc_start_info->error_dialog_parent_handle;
 672         } else {
 673                 shellex.fMask = (gulong)(shellex.fMask | SEE_MASK_FLAG_NO_UI);
 674         }
 675
 676         ret = ShellExecuteEx (&shellex);
 677         if (ret == FALSE) {
 678                 process_info->pid = -GetLastError ();
 679         } else {
 680                 process_info->process_handle = shellex.hProcess;
 681                 process_info->thread_handle = NULL;
 682 #if !defined(MONO_CROSS_COMPILE)
 683                 process_info->pid = GetProcessId (shellex.hProcess);
 684 #else
 685                 process_info->pid = 0;
 686 #endif
 687                 process_info->tid = 0;
 688         }
 689
 690         return ret;
 691 }
 692
 693 MonoBoolean
 694 ves_icall_System_Diagnostics_Process_CreateProcess_internal (MonoProcessStartInfo *proc_start_info, HANDLE stdin_handle, HANDLE stdout_handle, HANDLE stderr_handle, MonoProcInfo *process_info)
 695 {
 696         MonoError error G_GNUC_UNUSED;
 697         gboolean ret;
 698         gunichar2 *dir;
 699         STARTUPINFO startinfo={0};
 700         PROCESS_INFORMATION procinfo;
 701         gunichar2 *shell_path = NULL;
 702         gchar *env_vars = NULL;
 703         gboolean free_shell_path = TRUE;
 704         gchar *spath = NULL;
 705         MonoString *cmd = proc_start_info->arguments;
 706         guint32 creation_flags, logon_flags;
 707
 708         startinfo.cb = sizeof(STARTUPINFO);
 709         startinfo.dwFlags = STARTF_USESTDHANDLES;
 710         startinfo.hStdInput = stdin_handle;
 711         startinfo.hStdOutput = stdout_handle;
 712         startinfo.hStdError = stderr_handle;
 713
 714         creation_flags = CREATE_UNICODE_ENVIRONMENT;
 715         if (proc_start_info->create_no_window)
 716                 creation_flags |= CREATE_NO_WINDOW;
 717
 718         shell_path = mono_string_chars (proc_start_info->filename);
 719         complete_path (shell_path, &spath);
 720         if (spath == NULL) {
 721                 process_info->pid = -ERROR_FILE_NOT_FOUND;
 722                 return FALSE;
 723         }
 724 #ifdef TARGET_WIN32
 725         /* Seems like our CreateProcess does not work as the windows one.
 726          * This hack is needed to deal with paths containing spaces */
 727         shell_path = NULL;
 728         free_shell_path = FALSE;
 729         if (cmd) {
 730                 gchar *newcmd, *tmp;
 731                 tmp = mono_string_to_utf8_checked (cmd, &error);
 732                 if (mono_error_set_pending_exception (&error)) {
 733                         g_free (spath);
 734                         return NULL;
 735                 }
 736                 newcmd = g_strdup_printf ("%s %s", spath, tmp);
 737                 cmd = mono_string_new_wrapper (newcmd);
 738                 g_free (tmp);
 739                 g_free (newcmd);
 740         }
 741         else {
 742                 cmd = mono_string_new_wrapper (spath);
 743         }
 744 #else
 745         shell_path = g_utf8_to_utf16 (spath, -1, NULL, NULL, NULL);
 746 #endif
 747         g_free (spath);
 748
 749         if (process_info->env_keys) {
 750                 gint i, len;
 751                 MonoString *ms;
 752                 MonoString *key, *value;
 753                 gunichar2 *str, *ptr;
 754                 gunichar2 *equals16;
 755
 756                 for (len = 0, i = 0; i < mono_array_length (process_info->env_keys); i++) {
 757                         ms = mono_array_get (process_info->env_values, MonoString *, i);
 758                         if (ms == NULL)
 759                                 continue;
 760
 761                         len += mono_string_length (ms) * sizeof (gunichar2);
 762                         ms = mono_array_get (process_info->env_keys, MonoString *, i);
 763                         len += mono_string_length (ms) * sizeof (gunichar2);
 764                         len += 2 * sizeof (gunichar2);
 765                 }
 766
 767                 equals16 = g_utf8_to_utf16 ("=", 1, NULL, NULL, NULL);
 768                 ptr = str = g_new0 (gunichar2, len + 1);
 769                 for (i = 0; i < mono_array_length (process_info->env_keys); i++) {
 770                         value = mono_array_get (process_info->env_values, MonoString *, i);
 771                         if (value == NULL)
 772                                 continue;
 773
 774                         key = mono_array_get (process_info->env_keys, MonoString *, i);
 775                         memcpy (ptr, mono_string_chars (key), mono_string_length (key) * sizeof (gunichar2));
 776                         ptr += mono_string_length (key);
 777
 778                         memcpy (ptr, equals16, sizeof (gunichar2));
 779                         ptr++;
 780
 781                         memcpy (ptr, mono_string_chars (value), mono_string_length (value) * sizeof (gunichar2));
 782                         ptr += mono_string_length (value);
 783                         ptr++;
 784                 }
 785
 786                 g_free (equals16);
 787                 env_vars = (gchar *) str;
 788         }
 789
 790         /* The default dir name is "".  Turn that into NULL to mean
 791          * "current directory"
 792          */
 793         if (proc_start_info->working_directory == NULL || mono_string_length (proc_start_info->working_directory) == 0)
 794                 dir = NULL;
 795         else
 796                 dir = mono_string_chars (proc_start_info->working_directory);
 797
 798         if (process_info->username) {
 799                 logon_flags = process_info->load_user_profile ? LOGON_WITH_PROFILE : 0;
 800                 ret = CreateProcessWithLogonW (
 801                         mono_string_chars (process_info->username),
 802                         process_info->domain ? mono_string_chars (process_info->domain) : NULL,
 803                         (const gunichar2 *)process_info->password, logon_flags, shell_path,
 804                         cmd ? mono_string_chars (cmd) : NULL,
 805                         creation_flags, env_vars, dir, &startinfo, &procinfo);
 806         } else {
 807                 ret = CreateProcess (shell_path, cmd ? mono_string_chars (cmd): NULL, NULL, NULL, TRUE, creation_flags, env_vars, dir, &startinfo, &procinfo);
 808         }
 809
 810         g_free (env_vars);
 811         if (free_shell_path)
 812                 g_free (shell_path);
 813
 814         if (ret) {
 815                 process_info->process_handle = procinfo.hProcess;
 816                 /*process_info->thread_handle=procinfo.hThread;*/
 817                 process_info->thread_handle = NULL;
 818                 if (procinfo.hThread != NULL && procinfo.hThread != INVALID_HANDLE_VALUE)
 819                         CloseHandle (procinfo.hThread);
 820                 process_info->pid = procinfo.dwProcessId;
 821                 process_info->tid = procinfo.dwThreadId;
 822         } else {
 823                 process_info->pid = -GetLastError ();
 824         }
 825
 826         return ret;
 827 }
 828
 829 MonoString *
 830 ves_icall_System_Diagnostics_Process_ProcessName_internal (HANDLE process)
 831 {
 832         MonoError error;
 833         MonoString *string;
 834         gboolean ok;
 835         HMODULE mod;
 836         gunichar2 name[MAX_PATH];
 837         DWORD needed;
 838         guint32 len;
 839
 840         ok = EnumProcessModules (process, &mod, sizeof(mod), &needed);
 841         if (!ok)
 842                 return NULL;
 843
 844         len = GetModuleBaseName (process, mod, name, MAX_PATH);
 845         if (len == 0)
 846                 return NULL;
 847
 848         LOGDEBUG (g_message ("%s: process name is [%s]", __func__, g_utf16_to_utf8 (name, -1, NULL, NULL, NULL)));
 849
 850         string = mono_string_new_utf16_checked (mono_domain_get (), name, len, &error);
 851         if (!mono_error_ok (&error))
 852                 mono_error_set_pending_exception (&error);
 853
 854         return string;
 855 }
 856
 857 /* Returns an array of pids */
 858 MonoArray *
 859 ves_icall_System_Diagnostics_Process_GetProcesses_internal (void)
 860 {
 861 #if !defined(HOST_WIN32)
 862         MonoError error;
 863         MonoArray *procs;
 864         gpointer *pidarray;
 865         int i, count;
 866
 867         pidarray = mono_process_list (&count);
 868         if (!pidarray) {
 869                 mono_set_pending_exception (mono_get_exception_not_supported ("This system does not support EnumProcesses"));
 870                 return NULL;
 871         }
 872         procs = mono_array_new_checked (mono_domain_get (), mono_get_int32_class (), count, &error);
 873         if (mono_error_set_pending_exception (&error)) {
 874                 g_free (pidarray);
 875                 return NULL;
 876         }
 877         if (sizeof (guint32) == sizeof (gpointer)) {
 878                 memcpy (mono_array_addr (procs, guint32, 0), pidarray, count * sizeof (gint32));
 879         } else {
 880                 for (i = 0; i < count; ++i)
 881                         *(mono_array_addr (procs, guint32, i)) = GPOINTER_TO_UINT (pidarray [i]);
 882         }
 883         g_free (pidarray);
 884
 885         return procs;
 886 #else
 887         MonoError error;
 888         MonoArray *procs;
 889         gboolean ret;
 890         DWORD needed;
 891         int count;
 892         guint32 *pids;
 893
 894         count = 512;
 895         do {
 896                 pids = g_new0 (guint32, count);
 897                 ret = EnumProcesses (pids, count * sizeof (guint32), &needed);
 898                 if (ret == FALSE) {
 899                         MonoException *exc;
 900
 901                         g_free (pids);
 902                         pids = NULL;
 903                         exc = mono_get_exception_not_supported ("This system does not support EnumProcesses");
 904                         mono_set_pending_exception (exc);
 905                         return NULL;
 906                 }
 907                 if (needed < (count * sizeof (guint32)))
 908                         break;
 909                 g_free (pids);
 910                 pids = NULL;
 911                 count = (count * 3) / 2;
 912         } while (TRUE);
 913
 914         count = needed / sizeof (guint32);
 915         procs = mono_array_new_checked (mono_domain_get (), mono_get_int32_class (), count, &error);
 916         if (mono_error_set_pending_exception (&error)) {
 917                 g_free (pids);
 918                 return NULL;
 919         }
 920
 921         memcpy (mono_array_addr (procs, guint32, 0), pids, needed);
 922         g_free (pids);
 923         pids = NULL;
 924
 925         return procs;
 926 #endif
 927 }
 928
 929 gint64
 930 ves_icall_System_Diagnostics_Process_GetProcessData (int pid, gint32 data_type, gint32 *error)
 931 {
 932         MonoProcessError perror;
 933         guint64 res;
 934
 935         res = mono_process_get_data_with_error (GINT_TO_POINTER (pid), (MonoProcessData)data_type, &perror);
 936         if (error)
 937                 *error = perror;
 938         return res;
 939 }