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 static gunichar2*
 102 unicode_get (const gunichar2 *str)
 103 {
 104         gunichar2 *swapped;
 105         int i, len;
 106
 107         len = unicode_bytes (str);
 108         swapped = g_malloc0 (len);
 109         i = 0;
 110         while (str [i]) {
 111                 swapped [i] = GUINT16_FROM_LE (str [i]);
 112                 i ++;
 113         }
 114
 115         return swapped;
 116 }
 117
 118 /*
 119  * compare a little-endian null-terminated utf16 string and a normal string.
 120  * Can be used only for ascii or latin1 chars.
 121  */
 122 static gboolean
 123 unicode_string_equals (const gunichar2 *str1, const gchar *str2)
 124 {
 125         while (*str1 && *str2) {
 126                 if (GUINT16_TO_LE (*str1) != *str2)
 127                         return FALSE;
 128                 ++str1;
 129                 ++str2;
 130         }
 131         return *str1 == *str2;
 132 }
 133
 134 static void process_set_field_object (MonoObject *obj, const gchar *fieldname,
 135                                       MonoObject *data)
 136 {
 137         MonoClassField *field;
 138
 139 #ifdef DEBUG
 140         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to object at %p",
 141                    fieldname, data);
 142 #endif
 143
 144         field=mono_class_get_field_from_name (mono_object_class (obj),
 145                                               fieldname);
 146         /* FIXME: moving GC */
 147         *(MonoObject **)(((char *)obj) + field->offset)=data;
 148 }
 149
 150 static void process_set_field_string (MonoObject *obj, const gchar *fieldname,
 151                                       const gunichar2 *val, guint32 len)
 152 {
 153         MonoClassField *field;
 154         MonoString *string;
 155
 156 #ifdef DEBUG
 157         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to [%s]",
 158                    fieldname, g_utf16_to_utf8 (val, len, NULL, NULL, NULL));
 159 #endif
 160
 161         string=mono_string_new_utf16 (mono_object_domain (obj), val, len);
 162
 163         field=mono_class_get_field_from_name (mono_object_class (obj),
 164                                               fieldname);
 165         /* FIXME: moving GC */
 166         *(MonoString **)(((char *)obj) + field->offset)=string;
 167 }
 168
 169 static void process_set_field_string_utf8 (MonoObject *obj,
 170                                            const gchar *fieldname,
 171                                            const gchar *val)
 172 {
 173         MonoClassField *field;
 174         MonoString *string;
 175
 176 #ifdef DEBUG
 177         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to [%s]",
 178                    fieldname, val);
 179 #endif
 180
 181         string=mono_string_new (mono_object_domain (obj), val);
 182
 183         field=mono_class_get_field_from_name (mono_object_class (obj),
 184                                               fieldname);
 185         /* FIXME: moving GC */
 186         *(MonoString **)(((char *)obj) + field->offset)=string;
 187 }
 188
 189 static void process_set_field_int (MonoObject *obj, const gchar *fieldname,
 190                                    guint32 val)
 191 {
 192         MonoClassField *field;
 193
 194 #ifdef DEBUG
 195         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to %d",
 196                    fieldname, val);
 197 #endif
 198
 199         field=mono_class_get_field_from_name (mono_object_class (obj),
 200                                               fieldname);
 201         *(guint32 *)(((char *)obj) + field->offset)=val;
 202 }
 203
 204 static void process_set_field_bool (MonoObject *obj, const gchar *fieldname,
 205                                     gboolean val)
 206 {
 207         MonoClassField *field;
 208
 209 #ifdef DEBUG
 210         g_message (G_GNUC_PRETTY_FUNCTION ": Setting field %s to %s",
 211                    fieldname, val?"TRUE":"FALSE");
 212 #endif
 213
 214         field=mono_class_get_field_from_name (mono_object_class (obj),
 215                                               fieldname);
 216         *(guint8 *)(((char *)obj) + field->offset)=val;
 217 }
 218
 219 typedef struct {
 220         guint16 data_len;
 221         guint16 value_len;
 222         guint16 type;
 223         gunichar2 *key;
 224 } version_data;
 225
 226 /* Returns a pointer to the value data, because theres no way to know
 227  * how big that data is (value_len is set to zero for most blocks :-()
 228  */
 229 static gpointer process_get_versioninfo_block (gpointer data,
 230                                                version_data *block)
 231 {
 232         block->data_len=GUINT16_TO_LE (*((guint16 *)data));
 233         data = (char *)data + sizeof(guint16);
 234         block->value_len=GUINT16_TO_LE (*((guint16 *)data));
 235         data = (char *)data + sizeof(guint16);
 236
 237         /* No idea what the type is supposed to indicate */
 238         block->type=GUINT16_TO_LE (*((guint16 *)data));
 239         data = (char *)data + sizeof(guint16);
 240         block->key=((gunichar2 *)data);
 241
 242         /* skip over the key (including the terminator) */
 243         data=((gunichar2 *)data)+(unicode_chars (block->key)+1);
 244
 245         /* align on a 32-bit boundary */
 246         data=(gpointer)((char *)data + 3);
 247         data=(gpointer)((char *)data - (GPOINTER_TO_INT(data) & 3));
 248
 249         return(data);
 250 }
 251
 252 /* Returns a pointer to the byte following the Var block */
 253 static gpointer process_read_var_block (MonoObject *filever, gpointer data_ptr,
 254                                         guint16 data_len)
 255 {
 256         /* Not currently interested in the VarFileInfo block.  This
 257          * might change if language support is needed for file version
 258          * strings (VarFileInfo contains lists of supported
 259          * languages.)
 260          */
 261         version_data block;
 262
 263         /* data_ptr is pointing at a Var block of length data_len */
 264         data_ptr=process_get_versioninfo_block (data_ptr, &block);
 265         data_ptr=((guchar *)data_ptr)+block.value_len;
 266
 267         return(data_ptr);
 268 }
 269
 270 /* Returns a pointer to the byte following the String block, or NULL
 271  * if the data read hits padding.  We can't recover from this because
 272  * the data length does not include padding bytes, so it's not
 273  * possible to just return the start position + length.
 274  */
 275 static gpointer process_read_string_block (MonoObject *filever,
 276                                            gpointer data_ptr,
 277                                            guint16 data_len,
 278                                            gboolean store)
 279 {
 280         version_data block;
 281         guint16 string_len=28; /* Length of the StringTable block */
 282
 283         /* data_ptr is pointing at an array of one or more String
 284          * blocks with total length (not including alignment padding)
 285          * of data_len.
 286          */
 287         while(string_len<data_len) {
 288                 gunichar2 *value;
 289
 290                 /* align on a 32-bit boundary */
 291                 data_ptr=(gpointer)((char *)data_ptr + 3);
 292                 data_ptr=(gpointer)((char *)data_ptr -
 293                     (GPOINTER_TO_INT(data_ptr) & 3));
 294
 295                 data_ptr=process_get_versioninfo_block (data_ptr, &block);
 296                 if(block.data_len==0) {
 297                         /* We must have hit padding, so give up
 298                          * processing now
 299                          */
 300 #ifdef DEBUG
 301                         g_message (G_GNUC_PRETTY_FUNCTION
 302                                    ": Hit 0-length block, giving up");
 303 #endif
 304                         return(NULL);
 305                 }
 306
 307                 string_len=string_len+block.data_len;
 308                 value=unicode_get ((gunichar2 *)data_ptr);
 309                 /* Skip over the value */
 310                 data_ptr=((gunichar2 *)data_ptr)+block.value_len;
 311
 312                 if(store==TRUE) {
 313                         if (unicode_string_equals (block.key, "Comments")) {
 314                                 process_set_field_string (filever, "comments", value, unicode_chars (value));
 315                         } else if (unicode_string_equals (block.key, "CompanyName")) {
 316                                 process_set_field_string (filever, "companyname", value, unicode_chars (value));
 317                         } else if (unicode_string_equals (block.key, "FileDescription")) {
 318                                 process_set_field_string (filever, "filedescription", value, unicode_chars (value));
 319                         } else if (unicode_string_equals (block.key, "FileVersion")) {
 320                                 process_set_field_string (filever, "fileversion", value, unicode_chars (value));
 321                         } else if (unicode_string_equals (block.key, "InternalName")) {
 322                                 process_set_field_string (filever, "internalname", value, unicode_chars (value));
 323                         } else if (unicode_string_equals (block.key, "LegalCopyright")) {
 324                                 process_set_field_string (filever, "legalcopyright", value, unicode_chars (value));
 325                         } else if (unicode_string_equals (block.key, "LegalTrademarks")) {
 326                                 process_set_field_string (filever, "legaltrademarks", value, unicode_chars (value));
 327                         } else if (unicode_string_equals (block.key, "OriginalFilename")) {
 328                                 process_set_field_string (filever, "originalfilename", value, unicode_chars (value));
 329                         } else if (unicode_string_equals (block.key, "PrivateBuild")) {
 330                                 process_set_field_string (filever, "privatebuild", value, unicode_chars (value));
 331                         } else if (unicode_string_equals (block.key, "ProductName")) {
 332                                 process_set_field_string (filever, "productname", value, unicode_chars (value));
 333                         } else if (unicode_string_equals (block.key, "ProductVersion")) {
 334                                 process_set_field_string (filever, "productversion", value, unicode_chars (value));
 335                         } else if (unicode_string_equals (block.key, "SpecialBuild")) {
 336                                 process_set_field_string (filever, "specialbuild", value, unicode_chars (value));
 337                         } else {
 338                                 /* Not an error, just not interesting
 339                                  * in this case
 340                                  */
 341                         }
 342                 }
 343                 g_free (value);
 344         }
 345
 346         return(data_ptr);
 347 }
 348
 349 /* returns a pointer to the byte following the Stringtable block, or
 350  * NULL if the data read hits padding.  We can't recover from this
 351  * because the data length does not include padding bytes, so it's not
 352  * possible to just return the start position + length
 353  */
 354 static gpointer process_read_stringtable_block (MonoObject *filever,
 355                                                 gpointer data_ptr,
 356                                                 guint16 data_len)
 357 {
 358         version_data block;
 359         gunichar2 *value;
 360         gchar *language;
 361         guint16 string_len=36;  /* length of the StringFileInfo block */
 362
 363         /* data_ptr is pointing at an array of StringTable blocks,
 364          * with total length (not including alignment padding) of
 365          * data_len.
 366          */
 367
 368         while(string_len<data_len) {
 369                 /* align on a 32-bit boundary */
 370                 data_ptr=(gpointer)((char *)data_ptr + 3);
 371                 data_ptr=(gpointer)((char *)data_ptr -
 372                     (GPOINTER_TO_INT(data_ptr) & 3));
 373
 374                 data_ptr=process_get_versioninfo_block (data_ptr, &block);
 375                 if(block.data_len==0) {
 376                         /* We must have hit padding, so give up
 377                          * processing now
 378                          */
 379 #ifdef DEBUG
 380                         g_message (G_GNUC_PRETTY_FUNCTION
 381                                    ": Hit 0-length block, giving up");
 382 #endif
 383                         return(NULL);
 384                 }
 385                 string_len=string_len+block.data_len;
 386
 387                 value = unicode_get (block.key);
 388                 language = g_utf16_to_utf8 (value, unicode_bytes (block.key), NULL, NULL, NULL);
 389                 g_strdown (language);
 390
 391                 /* Kludge: treat en_US as neutral too */
 392                 if (!strcmp (language, "007f04b0") ||
 393                     !strcmp (language, "000004b0") ||
 394                     !strcmp (language, "040904b0")) {
 395                         /* Got the one we're interested in */
 396                         process_set_field_string_utf8 (filever, "language",
 397                                                        "Language Neutral");
 398
 399                         data_ptr=process_read_string_block (filever, data_ptr,
 400                                                             block.data_len,
 401                                                             TRUE);
 402                 } else {
 403                         /* Some other language.  We might want to do
 404                          * something with this in the future.
 405                          */
 406                         data_ptr=process_read_string_block (filever, data_ptr,
 407                                                             block.data_len,
 408                                                             FALSE);
 409                 }
 410                 g_free (language);
 411                 g_free (value);
 412
 413                 if(data_ptr==NULL) {
 414                         /* Child block hit padding */
 415 #ifdef DEBUG
 416                         g_message (G_GNUC_PRETTY_FUNCTION ": Child block hit 0-length block, giving up");
 417 #endif
 418                         return(NULL);
 419                 }
 420         }
 421
 422         return(data_ptr);
 423 }
 424
 425 static void process_read_fixedfileinfo_block (MonoObject *filever,
 426                                               VS_FIXEDFILEINFO *ffi)
 427 {
 428 #ifdef DEBUG
 429         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);
 430 #endif
 431
 432         process_set_field_int (filever, "filemajorpart",
 433                                HIWORD (ffi->dwFileVersionMS));
 434         process_set_field_int (filever, "fileminorpart",
 435                                LOWORD (ffi->dwFileVersionMS));
 436         process_set_field_int (filever, "filebuildpart",
 437                                HIWORD (ffi->dwFileVersionLS));
 438         process_set_field_int (filever, "fileprivatepart",
 439                                LOWORD (ffi->dwFileVersionLS));
 440
 441         process_set_field_int (filever, "productmajorpart",
 442                                HIWORD (ffi->dwProductVersionMS));
 443         process_set_field_int (filever, "productminorpart",
 444                                LOWORD (ffi->dwProductVersionMS));
 445         process_set_field_int (filever, "productbuildpart",
 446                                HIWORD (ffi->dwProductVersionLS));
 447         process_set_field_int (filever, "productprivatepart",
 448                                LOWORD (ffi->dwProductVersionLS));
 449
 450         process_set_field_bool (filever, "isdebug",
 451                                 ffi->dwFileFlags&VS_FF_DEBUG);
 452         process_set_field_bool (filever, "isprerelease",
 453                                 ffi->dwFileFlags&VS_FF_PRERELEASE);
 454         process_set_field_bool (filever, "ispatched",
 455                                 ffi->dwFileFlags&VS_FF_PATCHED);
 456         process_set_field_bool (filever, "isprivatebuild",
 457                                 ffi->dwFileFlags&VS_FF_PRIVATEBUILD);
 458         process_set_field_bool (filever, "isspecialbuild",
 459                                 ffi->dwFileFlags&VS_FF_SPECIALBUILD);
 460 }
 461
 462 static void process_get_fileversion (MonoObject *filever, MonoImage *image)
 463 {
 464         MonoPEResourceDataEntry *version_info;
 465         gpointer data;
 466         VS_FIXEDFILEINFO *ffi;
 467         gpointer data_ptr;
 468         version_data block;
 469         gint32 data_len; /* signed to guard against underflow */
 470
 471         version_info=mono_image_lookup_resource (image,
 472                                                  MONO_PE_RESOURCE_ID_VERSION,
 473                                                  0, NULL);
 474 #ifdef DEBUG
 475         g_message (G_GNUC_PRETTY_FUNCTION ": image_lookup returned %p",
 476                    version_info);
 477 #endif
 478
 479         if(version_info==NULL) {
 480                 return;
 481         }
 482
 483         data=mono_image_rva_map (image,
 484                                version_info->rde_data_offset);
 485         g_free (version_info);
 486         if(data==NULL) {
 487                 return;
 488         }
 489
 490         /* See io-layer/versioninfo.h for the gory details on how this
 491          * data is laid out. (data should be pointing to
 492          * VS_VERSIONINFO data).
 493          */
 494
 495         data_ptr=process_get_versioninfo_block (data, &block);
 496
 497         data_len=block.data_len;
 498
 499         if(block.value_len!=sizeof(VS_FIXEDFILEINFO)) {
 500 #ifdef DEBUG
 501                 g_message (G_GNUC_PRETTY_FUNCTION
 502                            ": FIXEDFILEINFO size mismatch");
 503 #endif
 504                 return;
 505         }
 506
 507         if (!unicode_string_equals (block.key, "VS_VERSION_INFO")) {
 508 #ifdef DEBUG
 509                 g_message (G_GNUC_PRETTY_FUNCTION
 510                            ": VS_VERSION_INFO mismatch");
 511 #endif
 512                 return;
 513         }
 514
 515         ffi=((VS_FIXEDFILEINFO *)data_ptr);
 516         data_ptr = (char *)data_ptr + sizeof(VS_FIXEDFILEINFO);
 517         if((ffi->dwSignature!=VS_FFI_SIGNATURE) ||
 518            (ffi->dwStrucVersion!=VS_FFI_STRUCVERSION)) {
 519 #ifdef DEBUG
 520                 g_message (G_GNUC_PRETTY_FUNCTION
 521                            ": FIXEDFILEINFO bad signature");
 522 #endif
 523                 return;
 524         }
 525         process_read_fixedfileinfo_block (filever, ffi);
 526
 527         /* Subtract the 92 bytes we've already seen */
 528         data_len -= 92;
 529
 530         /* There now follow zero or one StringFileInfo blocks and zero
 531          * or one VarFileInfo blocks
 532          */
 533         while(data_len > 0) {
 534                 /* align on a 32-bit boundary */
 535                 data_ptr=(gpointer)((char *)data_ptr + 3);
 536                 data_ptr=(gpointer)((char *)data_ptr -
 537                     (GPOINTER_TO_INT(data_ptr) & 3));
 538
 539                 data_ptr=process_get_versioninfo_block (data_ptr, &block);
 540                 if(block.data_len==0) {
 541                         /* We must have hit padding, so give up
 542                          * processing now
 543                          */
 544 #ifdef DEBUG
 545                         g_message (G_GNUC_PRETTY_FUNCTION
 546                                    ": Hit 0-length block, giving up");
 547 #endif
 548                         return;
 549                 }
 550
 551                 data_len=data_len-block.data_len;
 552
 553                 if (unicode_string_equals (block.key, "VarFileInfo")) {
 554                         data_ptr=process_read_var_block (filever, data_ptr,
 555                                                          block.data_len);
 556                 } else if (unicode_string_equals (block.key, "StringFileInfo")) {
 557                         data_ptr=process_read_stringtable_block (filever, data_ptr, block.data_len);
 558                 } else {
 559                         /* Bogus data */
 560 #ifdef DEBUG
 561                         g_message (G_GNUC_PRETTY_FUNCTION
 562                                    ": Not a valid VERSIONINFO child block");
 563                         return;
 564 #endif
 565                 }
 566
 567                 if(data_ptr==NULL) {
 568                         /* Child block hit padding */
 569 #ifdef DEBUG
 570                         g_message (G_GNUC_PRETTY_FUNCTION ": Child block hit 0-length block, giving up");
 571 #endif
 572                         return;
 573                 }
 574         }
 575 }
 576
 577 static void process_add_module (GPtrArray *modules, MonoAssembly *ass)
 578 {
 579         MonoClass *proc_class, *filever_class;
 580         MonoObject *item, *filever;
 581         MonoDomain *domain=mono_domain_get ();
 582         gchar *modulename;
 583         const char* filename;
 584
 585         /* Build a System.Diagnostics.ProcessModule with the data.
 586          * Leave BaseAddress and EntryPointAddress set to NULL,
 587          * FileName is ass->image->name, FileVersionInfo is an object
 588          * constructed from the PE image data referenced by
 589          * ass->image, ModuleMemorySize set to 0, ModuleName the last
 590          * component of FileName.
 591          */
 592         proc_class=mono_class_from_name (system_assembly, "System.Diagnostics",
 593                                          "ProcessModule");
 594         item=mono_object_new (domain, proc_class);
 595
 596         filever_class=mono_class_from_name (system_assembly,
 597                                             "System.Diagnostics",
 598                                             "FileVersionInfo");
 599         filever=mono_object_new (domain, filever_class);
 600
 601 #ifdef DEBUG
 602         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);
 603 #endif
 604
 605         process_get_fileversion (filever, mono_assembly_get_image (ass));
 606
 607         filename = mono_image_get_filename (mono_assembly_get_image (ass));
 608         process_set_field_string_utf8 (filever, "filename", filename);
 609         process_set_field_string_utf8 (item, "filename", filename);
 610         process_set_field_object (item, "version_info", filever);
 611
 612         modulename=g_path_get_basename (filename);
 613         process_set_field_string_utf8 (item, "modulename", modulename);
 614         g_free (modulename);
 615
 616         /* FIXME: moving GC */
 617         g_ptr_array_add (modules, item);
 618 }
 619
 620 static void process_scan_modules (gpointer data, gpointer user_data)
 621 {
 622         MonoAssembly *ass=data;
 623         GPtrArray *modules=user_data;
 624
 625         /* The main assembly is already in the list */
 626         if(mono_assembly_get_main () != ass) {
 627                 process_add_module (modules, ass);
 628         }
 629 }
 630
 631
 632 /* Returns an array of System.Diagnostics.ProcessModule */
 633 MonoArray *ves_icall_System_Diagnostics_Process_GetModules_internal (MonoObject *this)
 634 {
 635         /* I was going to use toolhelp for this, but then realised I
 636          * was being an idiot :)
 637          *
 638          * (Toolhelp would give shared libraries open by the runtime,
 639          * as well as open assemblies.  On windows my tests didnt find
 640          * the assemblies loaded by mono either.)
 641          */
 642         GPtrArray *modules_list=g_ptr_array_new ();
 643         MonoArray *arr;
 644         guint32 i;
 645
 646         MONO_ARCH_SAVE_REGS;
 647
 648         STASH_SYS_ASS (this);
 649
 650         /* Make sure the first entry is the main module */
 651         process_add_module (modules_list, mono_assembly_get_main ());
 652
 653         mono_assembly_foreach (process_scan_modules, modules_list);
 654
 655         /* Build a MonoArray out of modules_list */
 656         arr=mono_array_new (mono_domain_get (), mono_get_object_class (),
 657                             modules_list->len);
 658
 659         for(i=0; i<modules_list->len; i++) {
 660                 mono_array_setref (arr, i, g_ptr_array_index (modules_list, i));
 661         }
 662
 663         g_ptr_array_free (modules_list, TRUE);
 664
 665         return(arr);
 666 }
 667
 668 void ves_icall_System_Diagnostics_FileVersionInfo_GetVersionInfo_internal (MonoObject *this, MonoString *filename)
 669 {
 670         MonoImage *image;
 671         gchar *filename_utf8;
 672
 673         MONO_ARCH_SAVE_REGS;
 674
 675         STASH_SYS_ASS (this);
 676
 677         filename_utf8 = mono_string_to_utf8 (filename);
 678         image = mono_pe_file_open (filename_utf8, NULL);
 679         g_free (filename_utf8);
 680
 681         if(image==NULL) {
 682                 /* FIXME: an exception might be appropriate here */
 683 #ifdef DEBUG
 684                 g_message (G_GNUC_PRETTY_FUNCTION ": Failed to load image");
 685 #endif
 686
 687                 return;
 688         }
 689
 690         process_get_fileversion (this, image);
 691         process_set_field_string_utf8 (this, "filename", mono_image_get_filename (image));
 692
 693         mono_image_close (image);
 694 }
 695
 696 /* Only used when UseShellExecute is false */
 697 static gchar *
 698 quote_path (const gchar *path)
 699 {
 700         gchar *res = g_shell_quote (path);
 701 #ifdef PLATFORM_WIN32
 702         {
 703         gchar *q = res;
 704         while (*q) {
 705                 if (*q == '\'')
 706                         *q = '\"';
 707                 q++;
 708         }
 709         }
 710 #endif
 711         return res;
 712 }
 713
 714 /* Only used when UseShellExecute is false */
 715 static gboolean
 716 complete_path (const gunichar2 *appname, gchar **completed)
 717 {
 718         gchar *utf8app;
 719         gchar *found;
 720
 721         utf8app = g_utf16_to_utf8 (appname, -1, NULL, NULL, NULL);
 722         if (g_path_is_absolute (utf8app)) {
 723                 *completed = quote_path (utf8app);
 724                 g_free (utf8app);
 725                 return TRUE;
 726         }
 727
 728         if (g_file_test (utf8app, G_FILE_TEST_IS_EXECUTABLE) && !g_file_test (utf8app, G_FILE_TEST_IS_DIR)) {
 729                 *completed = quote_path (utf8app);
 730                 g_free (utf8app);
 731                 return TRUE;
 732         }
 733
 734         found = g_find_program_in_path (utf8app);
 735         if (found == NULL) {
 736                 *completed = NULL;
 737                 g_free (utf8app);
 738                 return FALSE;
 739         }
 740
 741         *completed = quote_path (found);
 742         g_free (found);
 743         g_free (utf8app);
 744         return TRUE;
 745 }
 746
 747 MonoBoolean ves_icall_System_Diagnostics_Process_ShellExecuteEx_internal (MonoProcessStartInfo *proc_start_info, MonoProcInfo *process_info)
 748 {
 749         SHELLEXECUTEINFO shellex = {0};
 750         gboolean ret;
 751
 752         shellex.cbSize = sizeof(SHELLEXECUTEINFO);
 753         shellex.fMask = SEE_MASK_FLAG_DDEWAIT | SEE_MASK_NOCLOSEPROCESS | SEE_MASK_UNICODE;
 754         shellex.nShow = SW_SHOWNORMAL;
 755
 756         if (proc_start_info->filename != NULL) {
 757                 shellex.lpFile = mono_string_chars (proc_start_info->filename);
 758         }
 759
 760         if (proc_start_info->arguments != NULL) {
 761                 shellex.lpParameters = mono_string_chars (proc_start_info->arguments);
 762         }
 763
 764         if (proc_start_info->verb != NULL &&
 765             mono_string_length (proc_start_info->verb) != 0) {
 766                 shellex.lpVerb = mono_string_chars (proc_start_info->verb);
 767         }
 768
 769         if (proc_start_info->working_directory != NULL &&
 770             mono_string_length (proc_start_info->working_directory) != 0) {
 771                 shellex.lpDirectory = mono_string_chars (proc_start_info->working_directory);
 772         }
 773
 774         ret = ShellExecuteEx (&shellex);
 775         if (ret == FALSE) {
 776                 process_info->pid = -GetLastError ();
 777         } else {
 778                 process_info->process_handle = shellex.hProcess;
 779                 process_info->thread_handle = NULL;
 780                 /* It appears that there's no way to get the pid from a
 781                  * process handle before windows xp.  Really.
 782                  */
 783 #ifdef HAVE_GETPROCESSID
 784                 process_info->pid = GetProcessId (shellex.hProcess);
 785 #else
 786                 process_info->pid = 0;
 787 #endif
 788                 process_info->tid = 0;
 789         }
 790
 791         return (ret);
 792 }
 793
 794 MonoBoolean ves_icall_System_Diagnostics_Process_CreateProcess_internal (MonoProcessStartInfo *proc_start_info, HANDLE stdin_handle, HANDLE stdout_handle, HANDLE stderr_handle, MonoProcInfo *process_info)
 795 {
 796         gboolean ret;
 797         gunichar2 *dir;
 798         STARTUPINFO startinfo={0};
 799         PROCESS_INFORMATION procinfo;
 800         gunichar2 *shell_path = NULL;
 801         gchar *env_vars = NULL;
 802         gboolean free_shell_path = TRUE;
 803         gchar *spath = NULL;
 804         MonoString *cmd = proc_start_info->arguments;
 805
 806         startinfo.cb=sizeof(STARTUPINFO);
 807         startinfo.dwFlags=STARTF_USESTDHANDLES;
 808         startinfo.hStdInput=stdin_handle;
 809         startinfo.hStdOutput=stdout_handle;
 810         startinfo.hStdError=stderr_handle;
 811
 812         shell_path = mono_string_chars (proc_start_info->filename);
 813         complete_path (shell_path, &spath);
 814         if (spath == NULL) {
 815                 process_info->pid = -ERROR_FILE_NOT_FOUND;
 816                 return FALSE;
 817         }
 818 #ifdef PLATFORM_WIN32
 819         /* Seems like our CreateProcess does not work as the windows one.
 820          * This hack is needed to deal with paths containing spaces */
 821         shell_path = NULL;
 822         free_shell_path = FALSE;
 823         if (cmd) {
 824                 gchar *newcmd, *tmp;
 825                 tmp = mono_string_to_utf8 (cmd);
 826                 newcmd = g_strdup_printf ("%s %s", spath, tmp);
 827                 cmd = mono_string_new_wrapper (newcmd);
 828                 g_free (tmp);
 829                 g_free (newcmd);
 830         }
 831         else {
 832                 cmd = mono_string_new_wrapper (spath);
 833         }
 834 #else
 835         shell_path = g_utf8_to_utf16 (spath, -1, NULL, NULL, NULL);
 836 #endif
 837         g_free (spath);
 838
 839         if (process_info->env_keys != NULL) {
 840                 gint i, len;
 841                 MonoString *ms;
 842                 MonoString *key, *value;
 843                 gunichar2 *str, *ptr;
 844                 gunichar2 *equals16;
 845
 846                 for (len = 0, i = 0; i < mono_array_length (process_info->env_keys); i++) {
 847                         ms = mono_array_get (process_info->env_values, MonoString *, i);
 848                         if (ms == NULL)
 849                                 continue;
 850
 851                         len += mono_string_length (ms) * sizeof (gunichar2);
 852                         ms = mono_array_get (process_info->env_keys, MonoString *, i);
 853                         len += mono_string_length (ms) * sizeof (gunichar2);
 854                         len += 2 * sizeof (gunichar2);
 855                 }
 856
 857                 equals16 = g_utf8_to_utf16 ("=", 1, NULL, NULL, NULL);
 858                 ptr = str = g_new0 (gunichar2, len + 1);
 859                 for (i = 0; i < mono_array_length (process_info->env_keys); i++) {
 860                         value = mono_array_get (process_info->env_values, MonoString *, i);
 861                         if (value == NULL)
 862                                 continue;
 863
 864                         key = mono_array_get (process_info->env_keys, MonoString *, i);
 865                         memcpy (ptr, mono_string_chars (key), mono_string_length (key) * sizeof (gunichar2));
 866                         ptr += mono_string_length (key);
 867
 868                         memcpy (ptr, equals16, sizeof (gunichar2));
 869                         ptr++;
 870
 871                         memcpy (ptr, mono_string_chars (value), mono_string_length (value) * sizeof (gunichar2));
 872                         ptr += mono_string_length (value);
 873                         ptr++;
 874                 }
 875
 876                 g_free (equals16);
 877                 env_vars = (gchar *) str;
 878         }
 879
 880         /* The default dir name is "".  Turn that into NULL to mean
 881          * "current directory"
 882          */
 883         if(mono_string_length (proc_start_info->working_directory)==0) {
 884                 dir=NULL;
 885         } else {
 886                 dir=mono_string_chars (proc_start_info->working_directory);
 887         }
 888
 889         ret=CreateProcess (shell_path, cmd? mono_string_chars (cmd): NULL, NULL, NULL, TRUE, CREATE_UNICODE_ENVIRONMENT, env_vars, dir, &startinfo, &procinfo);
 890
 891         g_free (env_vars);
 892         if (free_shell_path)
 893                 g_free (shell_path);
 894
 895         if(ret) {
 896                 process_info->process_handle=procinfo.hProcess;
 897                 /*process_info->thread_handle=procinfo.hThread;*/
 898                 process_info->thread_handle=NULL;
 899                 if (procinfo.hThread != NULL && procinfo.hThread != INVALID_HANDLE_VALUE)
 900                         CloseHandle(procinfo.hThread);
 901                 process_info->pid=procinfo.dwProcessId;
 902                 process_info->tid=procinfo.dwThreadId;
 903         } else {
 904                 process_info->pid = -GetLastError ();
 905         }
 906
 907         return(ret);
 908 }
 909
 910 MonoBoolean ves_icall_System_Diagnostics_Process_WaitForExit_internal (MonoObject *this, HANDLE process, gint32 ms)
 911 {
 912         guint32 ret;
 913
 914         MONO_ARCH_SAVE_REGS;
 915
 916         if(ms<0) {
 917                 /* Wait forever */
 918                 ret=WaitForSingleObjectEx (process, INFINITE, TRUE);
 919         } else {
 920                 ret=WaitForSingleObjectEx (process, ms, TRUE);
 921         }
 922         if(ret==WAIT_OBJECT_0) {
 923                 return(TRUE);
 924         } else {
 925                 return(FALSE);
 926         }
 927 }
 928
 929 gint64 ves_icall_System_Diagnostics_Process_ExitTime_internal (HANDLE process)
 930 {
 931         gboolean ret;
 932         gint64 ticks;
 933         FILETIME create_time, exit_time, kernel_time, user_time;
 934
 935         MONO_ARCH_SAVE_REGS;
 936
 937         ret=GetProcessTimes (process, &create_time, &exit_time, &kernel_time,
 938                              &user_time);
 939         if(ret==TRUE) {
 940                 ticks=((guint64)exit_time.dwHighDateTime << 32) +
 941                         exit_time.dwLowDateTime;
 942
 943                 return(ticks);
 944         } else {
 945                 return(0);
 946         }
 947 }
 948
 949 gint64 ves_icall_System_Diagnostics_Process_StartTime_internal (HANDLE process)
 950 {
 951         gboolean ret;
 952         gint64 ticks;
 953         FILETIME create_time, exit_time, kernel_time, user_time;
 954
 955         MONO_ARCH_SAVE_REGS;
 956
 957         ret=GetProcessTimes (process, &create_time, &exit_time, &kernel_time,
 958                              &user_time);
 959         if(ret==TRUE) {
 960                 ticks=((guint64)create_time.dwHighDateTime << 32) +
 961                         create_time.dwLowDateTime;
 962
 963                 return(ticks);
 964         } else {
 965                 return(0);
 966         }
 967 }
 968
 969 gint32 ves_icall_System_Diagnostics_Process_ExitCode_internal (HANDLE process)
 970 {
 971         guint32 code;
 972
 973         MONO_ARCH_SAVE_REGS;
 974
 975         GetExitCodeProcess (process, &code);
 976
 977 #ifdef DEBUG
 978         g_message (G_GNUC_PRETTY_FUNCTION ": process exit code is %d", code);
 979 #endif
 980
 981         return(code);
 982 }
 983
 984 MonoString *ves_icall_System_Diagnostics_Process_ProcessName_internal (HANDLE process)
 985 {
 986         MonoString *string;
 987         gboolean ok;
 988         HMODULE mod;
 989         gunichar2 name[MAX_PATH];
 990         guint32 needed;
 991         guint32 len;
 992
 993         MONO_ARCH_SAVE_REGS;
 994
 995         ok=EnumProcessModules (process, &mod, sizeof(mod), &needed);
 996         if(ok==FALSE) {
 997                 return(NULL);
 998         }
 999
1000         len=GetModuleBaseName (process, mod, name, MAX_PATH);
1001         if(len==0) {
1002                 return(NULL);
1003         }
1004
1005 #ifdef DEBUG
1006         g_message (G_GNUC_PRETTY_FUNCTION ": process name is [%s]",
1007                    g_utf16_to_utf8 (name, -1, NULL, NULL, NULL));
1008 #endif
1009
1010         string=mono_string_new_utf16 (mono_domain_get (), name, len);
1011
1012         return(string);
1013 }
1014
1015 /* Returns an array of pids */
1016 MonoArray *ves_icall_System_Diagnostics_Process_GetProcesses_internal (void)
1017 {
1018         MonoArray *procs;
1019         gboolean ret;
1020         guint32 needed, count, i;
1021         guint32 pids[1024];
1022
1023         MONO_ARCH_SAVE_REGS;
1024
1025         ret=EnumProcesses (pids, sizeof(pids), &needed);
1026         if(ret==FALSE) {
1027                 /* FIXME: throw an exception */
1028                 return(NULL);
1029         }
1030
1031         count=needed/sizeof(guint32);
1032         procs=mono_array_new (mono_domain_get (), mono_get_int32_class (),
1033                               count);
1034         for(i=0; i<count; i++) {
1035                 mono_array_set (procs, guint32, i, pids[i]);
1036         }
1037
1038         return(procs);
1039 }
1040
1041 MonoBoolean ves_icall_System_Diagnostics_Process_GetWorkingSet_internal (HANDLE process, guint32 *min, guint32 *max)
1042 {
1043         gboolean ret;
1044         size_t ws_min, ws_max;
1045
1046         MONO_ARCH_SAVE_REGS;
1047
1048         ret=GetProcessWorkingSetSize (process, &ws_min, &ws_max);
1049         *min=(guint32)ws_min;
1050         *max=(guint32)ws_max;
1051
1052         return(ret);
1053 }
1054
1055 MonoBoolean ves_icall_System_Diagnostics_Process_SetWorkingSet_internal (HANDLE process, guint32 min, guint32 max, MonoBoolean use_min)
1056 {
1057         gboolean ret;
1058         size_t ws_min;
1059         size_t ws_max;
1060
1061         MONO_ARCH_SAVE_REGS;
1062
1063         ret=GetProcessWorkingSetSize (process, &ws_min, &ws_max);
1064         if(ret==FALSE) {
1065                 return(FALSE);
1066         }
1067
1068         if(use_min==TRUE) {
1069                 ws_min=min;
1070         } else {
1071                 ws_max=max;
1072         }
1073
1074         ret=SetProcessWorkingSetSize (process, ws_min, ws_max);
1075
1076         return(ret);
1077 }
1078
1079 MonoBoolean
1080 ves_icall_System_Diagnostics_Process_Kill_internal (HANDLE process, gint32 sig)
1081 {
1082         MONO_ARCH_SAVE_REGS;
1083
1084         /* sig == 1 -> Kill, sig == 2 -> CloseMainWindow */
1085
1086         return TerminateProcess (process, -sig);
1087 }
1088