mono/metadata/process.c

   1 /*
   2  * process.c: System.Diagnostics.Process support
   3  *
   4  * Author:
   5  *      Dick Porter (dick@ximian.com)
   6  *
   7  * (C) 2002 Ximian, Inc.
   8  * Copyright (c) 2002-2006 Novell, Inc.
   9  */
  10
  11 #include <config.h>
  12
  13 #include <glib.h>
  14 #include <string.h>
  15
  16 #include <mono/metadata/object.h>
  17 #include <mono/metadata/process.h>
  18 #include <mono/metadata/assembly.h>
  19 #include <mono/metadata/appdomain.h>
  20 #include <mono/metadata/image.h>
  21 #include <mono/metadata/cil-coff.h>
  22 #include <mono/metadata/exception.h>
  23 #include <mono/utils/strenc.h>
  24 #include <mono/io-layer/io-layer.h>
  25 /* FIXME: fix this code to not depend so much on the inetrnals */
  26 #include <mono/metadata/class-internals.h>
  27
  28 #undef DEBUG
  29
  30 HANDLE ves_icall_System_Diagnostics_Process_GetProcess_internal (guint32 pid)
  31 {
  32         HANDLE handle;
  33
  34         MONO_ARCH_SAVE_REGS;
  35
  36         /* GetCurrentProcess returns a pseudo-handle, so use
  37          * OpenProcess instead
  38          */
  39         handle=OpenProcess (PROCESS_ALL_ACCESS, TRUE, pid);
  40
  41         if(handle==NULL) {
  42                 /* FIXME: Throw an exception */
  43                 return(NULL);
  44         }
  45
  46         return(handle);
  47 }
  48
  49 guint32 ves_icall_System_Diagnostics_Process_GetPid_internal (void)
  50 {
  51         MONO_ARCH_SAVE_REGS;
  52
  53         return(GetCurrentProcessId ());
  54 }
  55
  56 void ves_icall_System_Diagnostics_Process_Process_free_internal (MonoObject *this,
  57                                                                  HANDLE process)
  58 {
  59         MONO_ARCH_SAVE_REGS;
  60
  61 #ifdef THREAD_DEBUG
  62         g_message (G_GNUC_PRETTY_FUNCTION ": Closing process %p, handle %p",
  63                    this, process);
  64 #endif
  65
  66         CloseHandle (process);
  67 }
  68
  69 #define STASH_SYS_ASS(this) \
  70         if(system_assembly == NULL) { \
  71                 system_assembly=this->vtable->klass->image; \
  72         }
  73
  74 static MonoImage *system_assembly=NULL;
  75
  76 static guint32 unicode_chars (const gunichar2 *str)
  77 {
  78         guint32 len=0;
  79
  80         do {
  81                 if(str[len]=='\0') {
  82                         return(len);
  83                 }
  84                 len++;
  85         } while(1);
  86 }
  87
  88 static guint32 unicode_bytes (const gunichar2 *str)
  89 {
  90         guint32 len=0;
  91
  92         do {
  93                 if(str[len]=='\0') {
  94                         /* Include the terminators */
  95                         return((len*2)+2);
  96                 }
  97                 len++;
  98         } while(1);
  99 }
 100
 101 /*
 102  * compare a null-terminated utf16 string and a normal string.
 103  * Can be used only for ascii or latin1 chars.
 104  */
 105 static gboolean
 106 unicode_string_equals (const gunichar2 *str1, const gchar *str2)
 107 {
 108         while (*str1 && *str2) {
 109                 if (*str1 != *str2)
 110                         return FALSE;
 111                 ++str1;
 112                 ++str2;
 113         }
 114         return *str1 == *str2;
 115 }
 116
 117 static void process_set_field_object (MonoObject *obj, const gchar *fieldname,
 118                                       MonoObject *data)
 119 {
 120         MonoClassField *field;
 121
 122 #ifdef DEBUG
 123         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to object at %p",
 124                    fieldname, data);
 125 #endif
 126
 127         field=mono_class_get_field_from_name (mono_object_class (obj),
 128                                               fieldname);
 129         *(MonoObject **)(((char *)obj) + field->offset)=data;
 130 }
 131
 132 static void process_set_field_string (MonoObject *obj, const gchar *fieldname,
 133                                       const gunichar2 *val, guint32 len)
 134 {
 135         MonoClassField *field;
 136         MonoString *string;
 137
 138 #ifdef DEBUG
 139         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to [%s]",
 140                    fieldname, g_utf16_to_utf8 (val, len, NULL, NULL, NULL));
 141 #endif
 142
 143         string=mono_string_new_utf16 (mono_object_domain (obj), val, len);
 144
 145         field=mono_class_get_field_from_name (mono_object_class (obj),
 146                                               fieldname);
 147         *(MonoString **)(((char *)obj) + field->offset)=string;
 148 }
 149
 150 static void process_set_field_string_utf8 (MonoObject *obj,
 151                                            const gchar *fieldname,
 152                                            const gchar *val)
 153 {
 154         MonoClassField *field;
 155         MonoString *string;
 156
 157 #ifdef DEBUG
 158         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to [%s]",
 159                    fieldname, val);
 160 #endif
 161
 162         string=mono_string_new (mono_object_domain (obj), val);
 163
 164         field=mono_class_get_field_from_name (mono_object_class (obj),
 165                                               fieldname);
 166         *(MonoString **)(((char *)obj) + field->offset)=string;
 167 }
 168
 169 static void process_set_field_int (MonoObject *obj, const gchar *fieldname,
 170                                    guint32 val)
 171 {
 172         MonoClassField *field;
 173
 174 #ifdef DEBUG
 175         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to %d",
 176                    fieldname, val);
 177 #endif
 178
 179         field=mono_class_get_field_from_name (mono_object_class (obj),
 180                                               fieldname);
 181         *(guint32 *)(((char *)obj) + field->offset)=val;
 182 }
 183
 184 static void process_set_field_bool (MonoObject *obj, const gchar *fieldname,
 185                                     gboolean val)
 186 {
 187         MonoClassField *field;
 188
 189 #ifdef DEBUG
 190         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to %s",
 191                    fieldname, val?"TRUE":"FALSE");
 192 #endif
 193
 194         field=mono_class_get_field_from_name (mono_object_class (obj),
 195                                               fieldname);
 196         *(guint8 *)(((char *)obj) + field->offset)=val;
 197 }
 198
 199 typedef struct {
 200         guint16 data_len;
 201         guint16 value_len;
 202         guint16 type;
 203         gunichar2 *key;
 204 } version_data;
 205
 206 /* Returns a pointer to the value data, because theres no way to know
 207  * how big that data is (value_len is set to zero for most blocks :-()
 208  */
 209 static gpointer process_get_versioninfo_block (gpointer data,
 210                                                version_data *block)
 211 {
 212         block->data_len=*((guint16 *)data);
 213         data = (char *)data + sizeof(guint16);
 214         block->value_len=*((guint16 *)data);
 215         data = (char *)data + sizeof(guint16);
 216
 217         /* No idea what the type is supposed to indicate */
 218         block->type=*((guint16 *)data);
 219         data = (char *)data + sizeof(guint16);
 220         block->key=((gunichar2 *)data);
 221
 222         /* skip over the key (including the terminator) */
 223         data=((gunichar2 *)data)+(unicode_chars (block->key)+1);
 224
 225         /* align on a 32-bit boundary */
 226         data=(gpointer)((char *)data + 3);
 227         data=(gpointer)((char *)data - (GPOINTER_TO_INT(data) & 3));
 228
 229         return(data);
 230 }
 231
 232 /* Returns a pointer to the byte following the Var block */
 233 static gpointer process_read_var_block (MonoObject *filever, gpointer data_ptr,
 234                                         guint16 data_len)
 235 {
 236         /* Not currently interested in the VarFileInfo block.  This
 237          * might change if language support is needed for file version
 238          * strings (VarFileInfo contains lists of supported
 239          * languages.)
 240          */
 241         version_data block;
 242
 243         /* data_ptr is pointing at a Var block of length data_len */
 244         data_ptr=process_get_versioninfo_block (data_ptr, &block);
 245         data_ptr=((guchar *)data_ptr)+block.value_len;
 246
 247         return(data_ptr);
 248 }
 249
 250 /* Returns a pointer to the byte following the String block, or NULL
 251  * if the data read hits padding.  We can't recover from this because
 252  * the data length does not include padding bytes, so it's not
 253  * possible to just return the start position + length.
 254  */
 255 static gpointer process_read_string_block (MonoObject *filever,
 256                                            gpointer data_ptr,
 257                                            guint16 data_len,
 258                                            gboolean store)
 259 {
 260         version_data block;
 261         guint16 string_len=28; /* Length of the StringTable block */
 262
 263         /* data_ptr is pointing at an array of one or more String
 264          * blocks with total length (not including alignment padding)
 265          * of data_len.
 266          */
 267         while(string_len<data_len) {
 268                 gunichar2 *value;
 269
 270                 /* align on a 32-bit boundary */
 271                 data_ptr=(gpointer)((char *)data_ptr + 3);
 272                 data_ptr=(gpointer)((char *)data_ptr -
 273                     (GPOINTER_TO_INT(data_ptr) & 3));
 274
 275                 data_ptr=process_get_versioninfo_block (data_ptr, &block);
 276                 if(block.data_len==0) {
 277                         /* We must have hit padding, so give up
 278                          * processing now
 279                          */
 280 #ifdef DEBUG
 281                         g_message (G_GNUC_PRETTY_FUNCTION
 282                                    ": Hit 0-length block, giving up");
 283 #endif
 284                         return(NULL);
 285                 }
 286
 287                 string_len=string_len+block.data_len;
 288                 value=(gunichar2 *)data_ptr;
 289                 /* Skip over the value */
 290                 data_ptr=((gunichar2 *)data_ptr)+block.value_len;
 291
 292                 if(store==TRUE) {
 293                         if (unicode_string_equals (block.key, "Comments")) {
 294                                 process_set_field_string (filever, "comments", value, unicode_chars (value));
 295                         } else if (unicode_string_equals (block.key, "CompanyName")) {
 296                                 process_set_field_string (filever, "companyname", value, unicode_chars (value));
 297                         } else if (unicode_string_equals (block.key, "FileDescription")) {
 298                                 process_set_field_string (filever, "filedescription", value, unicode_chars (value));
 299                         } else if (unicode_string_equals (block.key, "FileVersion")) {
 300                                 process_set_field_string (filever, "fileversion", value, unicode_chars (value));
 301                         } else if (unicode_string_equals (block.key, "InternalName")) {
 302                                 process_set_field_string (filever, "internalname", value, unicode_chars (value));
 303                         } else if (unicode_string_equals (block.key, "LegalCopyright")) {
 304                                 process_set_field_string (filever, "legalcopyright", value, unicode_chars (value));
 305                         } else if (unicode_string_equals (block.key, "LegalTrademarks")) {
 306                                 process_set_field_string (filever, "legaltrademarks", value, unicode_chars (value));
 307                         } else if (unicode_string_equals (block.key, "OriginalFilename")) {
 308                                 process_set_field_string (filever, "originalfilename", value, unicode_chars (value));
 309                         } else if (unicode_string_equals (block.key, "PrivateBuild")) {
 310                                 process_set_field_string (filever, "privatebuild", value, unicode_chars (value));
 311                         } else if (unicode_string_equals (block.key, "ProductName")) {
 312                                 process_set_field_string (filever, "productname", value, unicode_chars (value));
 313                         } else if (unicode_string_equals (block.key, "ProductVersion")) {
 314                                 process_set_field_string (filever, "productversion", value, unicode_chars (value));
 315                         } else if (unicode_string_equals (block.key, "SpecialBuild")) {
 316                                 process_set_field_string (filever, "specialbuild", value, unicode_chars (value));
 317                         } else {
 318                                 /* Not an error, just not interesting
 319                                  * in this case
 320                                  */
 321                         }
 322                 }
 323         }
 324
 325         return(data_ptr);
 326 }
 327
 328 /* returns a pointer to the byte following the Stringtable block, or
 329  * NULL if the data read hits padding.  We can't recover from this
 330  * because the data length does not include padding bytes, so it's not
 331  * possible to just return the start position + length
 332  */
 333 static gpointer process_read_stringtable_block (MonoObject *filever,
 334                                                 gpointer data_ptr,
 335                                                 guint16 data_len)
 336 {
 337         version_data block;
 338         gchar *language;
 339         guint16 string_len=36;  /* length of the StringFileInfo block */
 340
 341         /* data_ptr is pointing at an array of StringTable blocks,
 342          * with total length (not including alignment padding) of
 343          * data_len.
 344          */
 345
 346         while(string_len<data_len) {
 347                 /* align on a 32-bit boundary */
 348                 data_ptr=(gpointer)((char *)data_ptr + 3);
 349                 data_ptr=(gpointer)((char *)data_ptr -
 350                     (GPOINTER_TO_INT(data_ptr) & 3));
 351
 352                 data_ptr=process_get_versioninfo_block (data_ptr, &block);
 353                 if(block.data_len==0) {
 354                         /* We must have hit padding, so give up
 355                          * processing now
 356                          */
 357 #ifdef DEBUG
 358                         g_message (G_GNUC_PRETTY_FUNCTION
 359                                    ": Hit 0-length block, giving up");
 360 #endif
 361                         return(NULL);
 362                 }
 363                 string_len=string_len+block.data_len;
 364
 365                 language = g_utf16_to_utf8 (block.key, unicode_bytes (block.key), NULL, NULL, NULL);
 366                 g_strdown (language);
 367
 368                 /* Kludge: treat en_US as neutral too */
 369                 if (!strcmp (language, "007f04b0") ||
 370                     !strcmp (language, "000004b0") ||
 371                     !strcmp (language, "040904b0")) {
 372                         /* Got the one we're interested in */
 373                         process_set_field_string_utf8 (filever, "language",
 374                                                        "Language Neutral");
 375
 376                         data_ptr=process_read_string_block (filever, data_ptr,
 377                                                             block.data_len,
 378                                                             TRUE);
 379                 } else {
 380                         /* Some other language.  We might want to do
 381                          * something with this in the future.
 382                          */
 383                         data_ptr=process_read_string_block (filever, data_ptr,
 384                                                             block.data_len,
 385                                                             FALSE);
 386                 }
 387                 g_free (language);
 388
 389                 if(data_ptr==NULL) {
 390                         /* Child block hit padding */
 391 #ifdef DEBUG
 392                         g_message (G_GNUC_PRETTY_FUNCTION ": Child block hit 0-length block, giving up");
 393 #endif
 394                         return(NULL);
 395                 }
 396         }
 397
 398         return(data_ptr);
 399 }
 400
 401 static void process_read_fixedfileinfo_block (MonoObject *filever,
 402                                               VS_FIXEDFILEINFO *ffi)
 403 {
 404 #ifdef DEBUG
 405         g_message (G_GNUC_PRETTY_FUNCTION ": ffi: sig 0x%x, strucver 0x%x, fileverm 0x%x, fileverl 0x%x, prodverm 0x%x, prodverl 0x%x, ffmask 0x%x, ff 0x%x, os 0x%x, type 0x%x, subtype 0x%x, datem 0x%x, datel 0x%x", ffi->dwSignature, ffi->dwStrucVersion, ffi->dwFileVersionMS, ffi->dwFileVersionLS, ffi->dwProductVersionMS, ffi->dwProductVersionLS, ffi->dwFileFlagsMask, ffi->dwFileFlags, ffi->dwFileOS, ffi->dwFileType, ffi->dwFileSubtype, ffi->dwFileDateMS, ffi->dwFileDateLS);
 406 #endif
 407
 408         process_set_field_int (filever, "filemajorpart",
 409                                HIWORD (ffi->dwFileVersionMS));
 410         process_set_field_int (filever, "fileminorpart",
 411                                LOWORD (ffi->dwFileVersionMS));
 412         process_set_field_int (filever, "filebuildpart",
 413                                HIWORD (ffi->dwFileVersionLS));
 414         process_set_field_int (filever, "fileprivatepart",
 415                                LOWORD (ffi->dwFileVersionLS));
 416
 417         process_set_field_int (filever, "productmajorpart",
 418                                HIWORD (ffi->dwProductVersionMS));
 419         process_set_field_int (filever, "productminorpart",
 420                                LOWORD (ffi->dwProductVersionMS));
 421         process_set_field_int (filever, "productbuildpart",
 422                                HIWORD (ffi->dwProductVersionLS));
 423         process_set_field_int (filever, "productprivatepart",
 424                                LOWORD (ffi->dwProductVersionLS));
 425
 426         process_set_field_bool (filever, "isdebug",
 427                                 ffi->dwFileFlags&VS_FF_DEBUG);
 428         process_set_field_bool (filever, "isprerelease",
 429                                 ffi->dwFileFlags&VS_FF_PRERELEASE);
 430         process_set_field_bool (filever, "ispatched",
 431                                 ffi->dwFileFlags&VS_FF_PATCHED);
 432         process_set_field_bool (filever, "isprivatebuild",
 433                                 ffi->dwFileFlags&VS_FF_PRIVATEBUILD);
 434         process_set_field_bool (filever, "isspecialbuild",
 435                                 ffi->dwFileFlags&VS_FF_SPECIALBUILD);
 436 }
 437
 438 static void process_get_fileversion (MonoObject *filever, MonoImage *image)
 439 {
 440         MonoPEResourceDataEntry *version_info;
 441         gpointer data;
 442         VS_FIXEDFILEINFO *ffi;
 443         gpointer data_ptr;
 444         version_data block;
 445         gint32 data_len; /* signed to guard against underflow */
 446
 447         version_info=mono_image_lookup_resource (image,
 448                                                  MONO_PE_RESOURCE_ID_VERSION,
 449                                                  0, NULL);
 450 #ifdef DEBUG
 451         g_message (G_GNUC_PRETTY_FUNCTION ": image_lookup returned %p",
 452                    version_info);
 453 #endif
 454
 455         if(version_info==NULL) {
 456                 return;
 457         }
 458
 459         data=mono_image_rva_map (image,
 460                                version_info->rde_data_offset);
 461         if(data==NULL) {
 462                 return;
 463         }
 464
 465         /* See io-layer/versioninfo.h for the gory details on how this
 466          * data is laid out. (data should be pointing to
 467          * VS_VERSIONINFO data).
 468          */
 469
 470         data_ptr=process_get_versioninfo_block (data, &block);
 471
 472         data_len=block.data_len;
 473
 474         if(block.value_len!=sizeof(VS_FIXEDFILEINFO)) {
 475 #ifdef DEBUG
 476                 g_message (G_GNUC_PRETTY_FUNCTION
 477                            ": FIXEDFILEINFO size mismatch");
 478 #endif
 479                 return;
 480         }
 481
 482         if (!unicode_string_equals (block.key, "VS_VERSION_INFO")) {
 483 #ifdef DEBUG
 484                 g_message (G_GNUC_PRETTY_FUNCTION
 485                            ": VS_VERSION_INFO mismatch");
 486 #endif
 487                 return;
 488         }
 489
 490         ffi=((VS_FIXEDFILEINFO *)data_ptr);
 491         data_ptr = (char *)data_ptr + sizeof(VS_FIXEDFILEINFO);
 492         if((ffi->dwSignature!=VS_FFI_SIGNATURE) ||
 493            (ffi->dwStrucVersion!=VS_FFI_STRUCVERSION)) {
 494 #ifdef DEBUG
 495                 g_message (G_GNUC_PRETTY_FUNCTION
 496                            ": FIXEDFILEINFO bad signature");
 497 #endif
 498                 return;
 499         }
 500         process_read_fixedfileinfo_block (filever, ffi);
 501
 502         /* Subtract the 92 bytes we've already seen */
 503         data_len -= 92;
 504
 505         /* There now follow zero or one StringFileInfo blocks and zero
 506          * or one VarFileInfo blocks
 507          */
 508         while(data_len > 0) {
 509                 /* align on a 32-bit boundary */
 510                 data_ptr=(gpointer)((char *)data_ptr + 3);
 511                 data_ptr=(gpointer)((char *)data_ptr -
 512                     (GPOINTER_TO_INT(data_ptr) & 3));
 513
 514                 data_ptr=process_get_versioninfo_block (data_ptr, &block);
 515                 if(block.data_len==0) {
 516                         /* We must have hit padding, so give up
 517                          * processing now
 518                          */
 519 #ifdef DEBUG
 520                         g_message (G_GNUC_PRETTY_FUNCTION
 521                                    ": Hit 0-length block, giving up");
 522 #endif
 523                         return;
 524                 }
 525
 526                 data_len=data_len-block.data_len;
 527
 528                 if (unicode_string_equals (block.key, "VarFileInfo")) {
 529                         data_ptr=process_read_var_block (filever, data_ptr,
 530                                                          block.data_len);
 531                 } else if (unicode_string_equals (block.key, "StringFileInfo")) {
 532                         data_ptr=process_read_stringtable_block (filever, data_ptr, block.data_len);
 533                 } else {
 534                         /* Bogus data */
 535 #ifdef DEBUG
 536                         g_message (G_GNUC_PRETTY_FUNCTION
 537                                    ": Not a valid VERSIONINFO child block");
 538                         return;
 539 #endif
 540                 }
 541
 542                 if(data_ptr==NULL) {
 543                         /* Child block hit padding */
 544 #ifdef DEBUG
 545                         g_message (G_GNUC_PRETTY_FUNCTION ": Child block hit 0-length block, giving up");
 546 #endif
 547                         return;
 548                 }
 549         }
 550 }
 551
 552 static void process_add_module (GPtrArray *modules, MonoAssembly *ass)
 553 {
 554         MonoClass *proc_class, *filever_class;
 555         MonoObject *item, *filever;
 556         MonoDomain *domain=mono_domain_get ();
 557         gchar *modulename;
 558         const char* filename;
 559
 560         /* Build a System.Diagnostics.ProcessModule with the data.
 561          * Leave BaseAddress and EntryPointAddress set to NULL,
 562          * FileName is ass->image->name, FileVersionInfo is an object
 563          * constructed from the PE image data referenced by
 564          * ass->image, ModuleMemorySize set to 0, ModuleName the last
 565          * component of FileName.
 566          */
 567         proc_class=mono_class_from_name (system_assembly, "System.Diagnostics",
 568                                          "ProcessModule");
 569         item=mono_object_new (domain, proc_class);
 570
 571         filever_class=mono_class_from_name (system_assembly,
 572                                             "System.Diagnostics",
 573                                             "FileVersionInfo");
 574         filever=mono_object_new (domain, filever_class);
 575
 576 #ifdef DEBUG
 577         g_message (G_GNUC_PRETTY_FUNCTION ": recording assembly: FileName [%s] FileVersionInfo [%d.%d.%d.%d], ModuleName [%s]", ass->image->name, ass->aname.major, ass->aname.minor, ass->aname.build, ass->aname.revision, ass->image->name);
 578 #endif
 579
 580         process_get_fileversion (filever, mono_assembly_get_image (ass));
 581
 582         filename = mono_image_get_filename (mono_assembly_get_image (ass));
 583         process_set_field_string_utf8 (filever, "filename", filename);
 584         process_set_field_string_utf8 (item, "filename", filename);
 585         process_set_field_object (item, "version_info", filever);
 586
 587         modulename=g_path_get_basename (filename);
 588         process_set_field_string_utf8 (item, "modulename", modulename);
 589         g_free (modulename);
 590
 591         g_ptr_array_add (modules, item);
 592 }
 593
 594 static void process_scan_modules (gpointer data, gpointer user_data)
 595 {
 596         MonoAssembly *ass=data;
 597         GPtrArray *modules=user_data;
 598
 599         /* The main assembly is already in the list */
 600         if(mono_assembly_get_main () != ass) {
 601                 process_add_module (modules, ass);
 602         }
 603 }
 604
 605
 606 /* Returns an array of System.Diagnostics.ProcessModule */
 607 MonoArray *ves_icall_System_Diagnostics_Process_GetModules_internal (MonoObject *this)
 608 {
 609         /* I was going to use toolhelp for this, but then realised I
 610          * was being an idiot :)
 611          *
 612          * (Toolhelp would give shared libraries open by the runtime,
 613          * as well as open assemblies.  On windows my tests didnt find
 614          * the assemblies loaded by mono either.)
 615          */
 616         GPtrArray *modules_list=g_ptr_array_new ();
 617         MonoArray *arr;
 618         guint32 i;
 619
 620         MONO_ARCH_SAVE_REGS;
 621
 622         STASH_SYS_ASS (this);
 623
 624         /* Make sure the first entry is the main module */
 625         process_add_module (modules_list, mono_assembly_get_main ());
 626
 627         mono_assembly_foreach (process_scan_modules, modules_list);
 628
 629         /* Build a MonoArray out of modules_list */
 630         arr=mono_array_new (mono_domain_get (), mono_get_object_class (),
 631                             modules_list->len);
 632
 633         for(i=0; i<modules_list->len; i++) {
 634                 mono_array_setref (arr, i, g_ptr_array_index (modules_list, i));
 635         }
 636
 637         g_ptr_array_free (modules_list, TRUE);
 638
 639         return(arr);
 640 }
 641
 642 void ves_icall_System_Diagnostics_FileVersionInfo_GetVersionInfo_internal (MonoObject *this, MonoString *filename)
 643 {
 644         MonoImage *image;
 645         gchar *filename_utf8;
 646
 647         MONO_ARCH_SAVE_REGS;
 648
 649         STASH_SYS_ASS (this);
 650
 651         filename_utf8 = mono_string_to_utf8 (filename);
 652         image = mono_pe_file_open (filename_utf8, NULL);
 653         g_free (filename_utf8);
 654
 655         if(image==NULL) {
 656                 /* FIXME: an exception might be appropriate here */
 657 #ifdef DEBUG
 658                 g_message (G_GNUC_PRETTY_FUNCTION ": Failed to load image");
 659 #endif
 660
 661                 return;
 662         }
 663
 664         process_get_fileversion (this, image);
 665         process_set_field_string_utf8 (this, "filename", mono_image_get_filename (image));
 666
 667         mono_image_close (image);
 668 }
 669
 670 /* Only used when UseShellExecute is false */
 671 static gchar *
 672 quote_path (const gchar *path)
 673 {
 674         gchar *res = g_shell_quote (path);
 675 #ifdef PLATFORM_WIN32
 676         {
 677         gchar *q = res;
 678         while (*q) {
 679                 if (*q == '\'')
 680                         *q = '\"';
 681                 q++;
 682         }
 683         }
 684 #endif
 685         return res;
 686 }
 687
 688 /* Only used when UseShellExecute is false */
 689 static gboolean
 690 complete_path (const gunichar2 *appname, gchar **completed)
 691 {
 692         gchar *utf8app;
 693         gchar *found;
 694
 695         utf8app = g_utf16_to_utf8 (appname, -1, NULL, NULL, NULL);
 696         if (g_path_is_absolute (utf8app)) {
 697                 *completed = quote_path (utf8app);
 698                 g_free (utf8app);
 699                 return TRUE;
 700         }
 701
 702         if (g_file_test (utf8app, G_FILE_TEST_IS_EXECUTABLE) && !g_file_test (utf8app, G_FILE_TEST_IS_DIR)) {
 703                 *completed = quote_path (utf8app);
 704                 g_free (utf8app);
 705                 return TRUE;
 706         }
 707
 708         found = g_find_program_in_path (utf8app);
 709         if (found == NULL) {
 710                 *completed = NULL;
 711                 g_free (utf8app);
 712                 return FALSE;
 713         }
 714
 715         *completed = quote_path (found);
 716         g_free (found);
 717         g_free (utf8app);
 718         return TRUE;
 719 }
 720
 721 MonoBoolean ves_icall_System_Diagnostics_Process_ShellExecuteEx_internal (MonoProcessStartInfo *proc_start_info, MonoProcInfo *process_info)
 722 {
 723         SHELLEXECUTEINFO shellex = {0};
 724         gboolean ret;
 725
 726         shellex.cbSize = sizeof(SHELLEXECUTEINFO);
 727         shellex.fMask = SEE_MASK_FLAG_DDEWAIT | SEE_MASK_NOCLOSEPROCESS | SEE_MASK_UNICODE;
 728         shellex.nShow = SW_SHOWNORMAL;
 729
 730         if (proc_start_info->filename != NULL) {
 731                 shellex.lpFile = mono_string_chars (proc_start_info->filename);
 732         }
 733
 734         if (proc_start_info->arguments != NULL) {
 735                 shellex.lpParameters = mono_string_chars (proc_start_info->arguments);
 736         }
 737
 738         if (proc_start_info->verb != NULL &&
 739             mono_string_length (proc_start_info->verb) != 0) {
 740                 shellex.lpVerb = mono_string_chars (proc_start_info->verb);
 741         }
 742
 743         if (proc_start_info->working_directory != NULL &&
 744             mono_string_length (proc_start_info->working_directory) != 0) {
 745                 shellex.lpDirectory = mono_string_chars (proc_start_info->working_directory);
 746         }
 747
 748         ret = ShellExecuteEx (&shellex);
 749         if (ret == FALSE) {
 750                 process_info->pid = -GetLastError ();
 751         } else {
 752                 process_info->process_handle = shellex.hProcess;
 753                 process_info->thread_handle = NULL;
 754                 /* It appears that there's no way to get the pid from a
 755                  * process handle before windows xp.  Really.
 756                  */
 757 #ifdef HAVE_GETPROCESSID
 758                 process_info->pid = GetProcessId (shellex.hProcess);
 759 #else
 760                 process_info->pid = 0;
 761 #endif
 762                 process_info->tid = 0;
 763         }
 764
 765         return (ret);
 766 }
 767
 768 MonoBoolean ves_icall_System_Diagnostics_Process_CreateProcess_internal (MonoProcessStartInfo *proc_start_info, HANDLE stdin_handle, HANDLE stdout_handle, HANDLE stderr_handle, MonoProcInfo *process_info)
 769 {
 770         gboolean ret;
 771         gunichar2 *dir;
 772         STARTUPINFO startinfo={0};
 773         PROCESS_INFORMATION procinfo;
 774         gunichar2 *shell_path = NULL;
 775         gchar *env_vars = NULL;
 776         gboolean free_shell_path = TRUE;
 777 #ifdef PLATFORM_WIN32
 778         gchar *newcmd, *tmp;
 779 #endif
 780         gchar *spath = NULL;
 781         MonoString *cmd = proc_start_info->arguments;
 782
 783         MONO_ARCH_SAVE_REGS;
 784
 785         startinfo.cb=sizeof(STARTUPINFO);
 786         startinfo.dwFlags=STARTF_USESTDHANDLES;
 787         startinfo.hStdInput=stdin_handle;
 788         startinfo.hStdOutput=stdout_handle;
 789         startinfo.hStdError=stderr_handle;
 790
 791         shell_path = mono_string_chars (proc_start_info->filename);
 792         complete_path (shell_path, &spath);
 793         if (spath == NULL) {
 794                 process_info->pid = -ERROR_FILE_NOT_FOUND;
 795                 return FALSE;
 796         }
 797 #ifdef PLATFORM_WIN32
 798         /* Seems like our CreateProcess does not work as the windows one.
 799          * This hack is needed to deal with paths containing spaces */
 800         shell_path = NULL;
 801         free_shell_path = FALSE;
 802         tmp = mono_string_to_utf8 (cmd);
 803         newcmd = g_strdup_printf ("%s %s", spath, tmp);
 804         cmd = mono_string_new_wrapper (newcmd);
 805         g_free (newcmd);
 806         g_free (tmp);
 807 #else
 808         shell_path = g_utf8_to_utf16 (spath, -1, NULL, NULL, NULL);
 809 #endif
 810         g_free (spath);
 811
 812         if (process_info->env_keys != NULL) {
 813                 gint i, len;
 814                 MonoString *ms;
 815                 MonoString *key, *value;
 816                 gunichar2 *str, *ptr;
 817                 gunichar2 *equals16;
 818
 819                 for (len = 0, i = 0; i < mono_array_length (process_info->env_keys); i++) {
 820                         ms = mono_array_get (process_info->env_values, MonoString *, i);
 821                         if (ms == NULL)
 822                                 continue;
 823
 824                         len += mono_string_length (ms) * sizeof (gunichar2);
 825                         ms = mono_array_get (process_info->env_keys, MonoString *, i);
 826                         len += mono_string_length (ms) * sizeof (gunichar2);
 827                         len += 2 * sizeof (gunichar2);
 828                 }
 829
 830                 equals16 = g_utf8_to_utf16 ("=", 1, NULL, NULL, NULL);
 831                 ptr = str = g_new0 (gunichar2, len + 1);
 832                 for (i = 0; i < mono_array_length (process_info->env_keys); i++) {
 833                         value = mono_array_get (process_info->env_values, MonoString *, i);
 834                         if (value == NULL)
 835                                 continue;
 836
 837                         key = mono_array_get (process_info->env_keys, MonoString *, i);
 838                         memcpy (ptr, mono_string_chars (key), mono_string_length (key) * sizeof (gunichar2));
 839                         ptr += mono_string_length (key);
 840
 841                         memcpy (ptr, equals16, sizeof (gunichar2));
 842                         ptr++;
 843
 844                         memcpy (ptr, mono_string_chars (value), mono_string_length (value) * sizeof (gunichar2));
 845                         ptr += mono_string_length (value);
 846                         ptr++;
 847                 }
 848
 849                 g_free (equals16);
 850                 env_vars = (gchar *) str;
 851         }
 852
 853         /* The default dir name is "".  Turn that into NULL to mean
 854          * "current directory"
 855          */
 856         if(mono_string_length (proc_start_info->working_directory)==0) {
 857                 dir=NULL;
 858         } else {
 859                 dir=mono_string_chars (proc_start_info->working_directory);
 860         }
 861
 862         ret=CreateProcess (shell_path, mono_string_chars (cmd), NULL, NULL, TRUE, CREATE_UNICODE_ENVIRONMENT, env_vars, dir, &startinfo, &procinfo);
 863
 864         g_free (env_vars);
 865         if (free_shell_path)
 866                 g_free (shell_path);
 867
 868         if(ret) {
 869                 process_info->process_handle=procinfo.hProcess;
 870                 /*process_info->thread_handle=procinfo.hThread;*/
 871                 process_info->thread_handle=NULL;
 872                 if (procinfo.hThread != NULL)
 873                         CloseHandle(procinfo.hThread);
 874                 process_info->pid=procinfo.dwProcessId;
 875                 process_info->tid=procinfo.dwThreadId;
 876         } else {
 877                 process_info->pid = -GetLastError ();
 878         }
 879
 880         return(ret);
 881 }
 882
 883 MonoBoolean ves_icall_System_Diagnostics_Process_WaitForExit_internal (MonoObject *this, HANDLE process, gint32 ms)
 884 {
 885         guint32 ret;
 886
 887         MONO_ARCH_SAVE_REGS;
 888
 889         if(ms<0) {
 890                 /* Wait forever */
 891                 ret=WaitForSingleObjectEx (process, INFINITE, TRUE);
 892         } else {
 893                 ret=WaitForSingleObjectEx (process, ms, TRUE);
 894         }
 895         if(ret==WAIT_OBJECT_0) {
 896                 return(TRUE);
 897         } else {
 898                 return(FALSE);
 899         }
 900 }
 901
 902 gint64 ves_icall_System_Diagnostics_Process_ExitTime_internal (HANDLE process)
 903 {
 904         gboolean ret;
 905         gint64 ticks;
 906         FILETIME create_time, exit_time, kernel_time, user_time;
 907
 908         MONO_ARCH_SAVE_REGS;
 909
 910         ret=GetProcessTimes (process, &create_time, &exit_time, &kernel_time,
 911                              &user_time);
 912         if(ret==TRUE) {
 913                 ticks=((guint64)exit_time.dwHighDateTime << 32) +
 914                         exit_time.dwLowDateTime;
 915
 916                 return(ticks);
 917         } else {
 918                 return(0);
 919         }
 920 }
 921
 922 gint64 ves_icall_System_Diagnostics_Process_StartTime_internal (HANDLE process)
 923 {
 924         gboolean ret;
 925         gint64 ticks;
 926         FILETIME create_time, exit_time, kernel_time, user_time;
 927
 928         MONO_ARCH_SAVE_REGS;
 929
 930         ret=GetProcessTimes (process, &create_time, &exit_time, &kernel_time,
 931                              &user_time);
 932         if(ret==TRUE) {
 933                 ticks=((guint64)create_time.dwHighDateTime << 32) +
 934                         create_time.dwLowDateTime;
 935
 936                 return(ticks);
 937         } else {
 938                 return(0);
 939         }
 940 }
 941
 942 gint32 ves_icall_System_Diagnostics_Process_ExitCode_internal (HANDLE process)
 943 {
 944         guint32 code;
 945
 946         MONO_ARCH_SAVE_REGS;
 947
 948         GetExitCodeProcess (process, &code);
 949
 950 #ifdef DEBUG
 951         g_message (G_GNUC_PRETTY_FUNCTION ": process exit code is %d", code);
 952 #endif
 953
 954         return(code);
 955 }
 956
 957 MonoString *ves_icall_System_Diagnostics_Process_ProcessName_internal (HANDLE process)
 958 {
 959         MonoString *string;
 960         gboolean ok;
 961         HMODULE mod;
 962         gunichar2 name[MAX_PATH];
 963         guint32 needed;
 964         guint32 len;
 965
 966         MONO_ARCH_SAVE_REGS;
 967
 968         ok=EnumProcessModules (process, &mod, sizeof(mod), &needed);
 969         if(ok==FALSE) {
 970                 return(NULL);
 971         }
 972
 973         len=GetModuleBaseName (process, mod, name, MAX_PATH);
 974         if(len==0) {
 975                 return(NULL);
 976         }
 977
 978 #ifdef DEBUG
 979         g_message (G_GNUC_PRETTY_FUNCTION ": process name is [%s]",
 980                    g_utf16_to_utf8 (name, -1, NULL, NULL, NULL));
 981 #endif
 982
 983         string=mono_string_new_utf16 (mono_domain_get (), name, len);
 984
 985         return(string);
 986 }
 987
 988 /* Returns an array of pids */
 989 MonoArray *ves_icall_System_Diagnostics_Process_GetProcesses_internal (void)
 990 {
 991         MonoArray *procs;
 992         gboolean ret;
 993         guint32 needed, count, i;
 994         guint32 pids[1024];
 995
 996         MONO_ARCH_SAVE_REGS;
 997
 998         ret=EnumProcesses (pids, sizeof(pids), &needed);
 999         if(ret==FALSE) {
1000                 /* FIXME: throw an exception */
1001                 return(NULL);
1002         }
1003
1004         count=needed/sizeof(guint32);
1005         procs=mono_array_new (mono_domain_get (), mono_get_int32_class (),
1006                               count);
1007         for(i=0; i<count; i++) {
1008                 mono_array_set (procs, guint32, i, pids[i]);
1009         }
1010
1011         return(procs);
1012 }
1013
1014 MonoBoolean ves_icall_System_Diagnostics_Process_GetWorkingSet_internal (HANDLE process, guint32 *min, guint32 *max)
1015 {
1016         gboolean ret;
1017         size_t ws_min, ws_max;
1018
1019         MONO_ARCH_SAVE_REGS;
1020
1021         ret=GetProcessWorkingSetSize (process, &ws_min, &ws_max);
1022         *min=(guint32)ws_min;
1023         *max=(guint32)ws_max;
1024
1025         return(ret);
1026 }
1027
1028 MonoBoolean ves_icall_System_Diagnostics_Process_SetWorkingSet_internal (HANDLE process, guint32 min, guint32 max, MonoBoolean use_min)
1029 {
1030         gboolean ret;
1031         size_t ws_min;
1032         size_t ws_max;
1033
1034         MONO_ARCH_SAVE_REGS;
1035
1036         ret=GetProcessWorkingSetSize (process, &ws_min, &ws_max);
1037         if(ret==FALSE) {
1038                 return(FALSE);
1039         }
1040
1041         if(use_min==TRUE) {
1042                 ws_min=min;
1043         } else {
1044                 ws_max=max;
1045         }
1046
1047         ret=SetProcessWorkingSetSize (process, ws_min, ws_max);
1048
1049         return(ret);
1050 }
1051
1052 MonoBoolean
1053 ves_icall_System_Diagnostics_Process_Kill_internal (HANDLE process, gint32 sig)
1054 {
1055         MONO_ARCH_SAVE_REGS;
1056
1057         /* sig == 1 -> Kill, sig == 2 -> CloseMainWindow */
1058
1059         return TerminateProcess (process, -sig);
1060 }
1061