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