ReactOS  0.4.11-dev-721-g95bc44e
sminit.c
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1 /*
2  * PROJECT: ReactOS Windows-Compatible Session Manager
3  * LICENSE: BSD 2-Clause License
4  * FILE: base/system/smss/sminit.c
5  * PURPOSE: Main SMSS Code
6  * PROGRAMMERS: Alex Ionescu
7  */
8 
9 /* INCLUDES *******************************************************************/
10 
11 #include "smss.h"
12 
13 #define NDEBUG
14 #include <debug.h>
15 
16 /* GLOBALS ********************************************************************/
17 
18 UNICODE_STRING SmpSubsystemName, PosixName, Os2Name;
19 LIST_ENTRY SmpBootExecuteList, SmpSetupExecuteList, SmpPagingFileList;
20 LIST_ENTRY SmpDosDevicesList, SmpFileRenameList, SmpKnownDllsList;
21 LIST_ENTRY SmpExcludeKnownDllsList, SmpSubSystemList, SmpSubSystemsToLoad;
22 LIST_ENTRY SmpSubSystemsToDefer, SmpExecuteList, NativeProcessList;
23 
24 PVOID SmpHeap;
25 ULONG SmBaseTag;
26 HANDLE SmpDebugPort, SmpDosDevicesObjectDirectory;
27 PWCHAR SmpDefaultEnvironment, SmpDefaultLibPathBuffer;
28 UNICODE_STRING SmpKnownDllPath, SmpDefaultLibPath;
29 ULONG SmpCalledConfigEnv;
30 
31 ULONG SmpInitProgressByLine;
32 NTSTATUS SmpInitReturnStatus;
33 PVOID SmpInitLastCall;
34 
35 SECURITY_DESCRIPTOR SmpPrimarySDBody, SmpLiberalSDBody, SmpKnownDllsSDBody;
36 SECURITY_DESCRIPTOR SmpApiPortSDBody;
37 PISECURITY_DESCRIPTOR SmpPrimarySecurityDescriptor, SmpLiberalSecurityDescriptor;
38 PISECURITY_DESCRIPTOR SmpKnownDllsSecurityDescriptor, SmpApiPortSecurityDescriptor;
39 
40 ULONG SmpAllowProtectedRenames, SmpProtectionMode = 1;
41 BOOLEAN MiniNTBoot = FALSE;
42 
43 #define SMSS_CHECKPOINT(x, y) \
44 { \
45  SmpInitProgressByLine = __LINE__; \
46  SmpInitReturnStatus = (y); \
47  SmpInitLastCall = (x); \
48 }
49 
50 /* REGISTRY CONFIGURATION *****************************************************/
51 
52 NTSTATUS
53 NTAPI
54 SmpSaveRegistryValue(IN PLIST_ENTRY ListAddress,
55  IN PWSTR Name,
56  IN PWCHAR Value,
57  IN BOOLEAN Flags)
58 {
59  PSMP_REGISTRY_VALUE RegEntry;
60  UNICODE_STRING NameString, ValueString;
61  ANSI_STRING AnsiValueString;
62  PLIST_ENTRY NextEntry;
63 
64  /* Convert to unicode strings */
65  RtlInitUnicodeString(&NameString, Name);
66  RtlInitUnicodeString(&ValueString, Value);
67 
68  /* In case this is the first value, initialize a new list/structure */
69  RegEntry = NULL;
70 
71  /* Check if we should do a duplicate check */
72  if (Flags)
73  {
74  /* Loop the current list */
75  NextEntry = ListAddress->Flink;
76  while (NextEntry != ListAddress)
77  {
78  /* Get each entry */
79  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
80 
81  /* Check if the value name matches */
82  if (!RtlCompareUnicodeString(&RegEntry->Name, &NameString, TRUE))
83  {
84  /* Check if the value is the exact same thing */
85  if (!RtlCompareUnicodeString(&RegEntry->Value, &ValueString, TRUE))
86  {
87  /* Fail -- the same setting is being set twice */
88  return STATUS_OBJECT_NAME_EXISTS;
89  }
90 
91  /* We found the list, and this isn't a duplicate value */
92  break;
93  }
94 
95  /* This wasn't a match, keep going */
96  NextEntry = NextEntry->Flink;
97  RegEntry = NULL;
98  }
99  }
100 
101  /* Are we adding on, or creating a new entry */
102  if (!RegEntry)
103  {
104  /* A new entry -- allocate it */
105  RegEntry = RtlAllocateHeap(RtlGetProcessHeap(),
106  SmBaseTag,
107  sizeof(SMP_REGISTRY_VALUE) +
108  NameString.MaximumLength);
109  if (!RegEntry) return STATUS_NO_MEMORY;
110 
111  /* Initialize the list and set all values to NULL */
112  InitializeListHead(&RegEntry->Entry);
113  RegEntry->AnsiValue = NULL;
114  RegEntry->Value.Buffer = NULL;
115 
116  /* Copy and initialize the value name */
117  RegEntry->Name.Buffer = (PWCHAR)(RegEntry + 1);
118  RegEntry->Name.Length = NameString.Length;
119  RegEntry->Name.MaximumLength = NameString.MaximumLength;
120  RtlCopyMemory(RegEntry->Name.Buffer,
121  NameString.Buffer,
122  NameString.MaximumLength);
123 
124  /* Add this entry into the list */
125  InsertTailList(ListAddress, &RegEntry->Entry);
126  }
127 
128  /* Did we have an old value buffer? */
129  if (RegEntry->Value.Buffer)
130  {
131  /* Free it */
132  ASSERT(RegEntry->Value.Length != 0);
133  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
134  }
135 
136  /* Is there no value associated? */
137  if (!Value)
138  {
139  /* We're done here */
140  RtlInitUnicodeString(&RegEntry->Value, NULL);
141  return STATUS_SUCCESS;
142  }
143 
144  /* There is a value, so allocate a buffer for it */
145  RegEntry->Value.Buffer = RtlAllocateHeap(RtlGetProcessHeap(),
146  SmBaseTag,
147  ValueString.MaximumLength);
148  if (!RegEntry->Value.Buffer)
149  {
150  /* Out of memory, undo */
151  RemoveEntryList(&RegEntry->Entry);
152  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
153  return STATUS_NO_MEMORY;
154  }
155 
156  /* Copy the value into the entry */
157  RegEntry->Value.Length = ValueString.Length;
158  RegEntry->Value.MaximumLength = ValueString.MaximumLength;
159  RtlCopyMemory(RegEntry->Value.Buffer,
160  ValueString.Buffer,
161  ValueString.MaximumLength);
162 
163  /* Now allocate memory for an ANSI copy of it */
164  RegEntry->AnsiValue = RtlAllocateHeap(RtlGetProcessHeap(),
165  SmBaseTag,
166  (ValueString.Length / sizeof(WCHAR)) +
167  sizeof(ANSI_NULL));
168  if (!RegEntry->AnsiValue)
169  {
170  /* Out of memory, undo */
171  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
172  RemoveEntryList(&RegEntry->Entry);
173  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
174  return STATUS_NO_MEMORY;
175  }
176 
177  /* Convert the Unicode value string and return success */
178  RtlInitEmptyAnsiString(&AnsiValueString,
179  RegEntry->AnsiValue,
180  (ValueString.Length / sizeof(WCHAR)) +
181  sizeof(ANSI_NULL));
182  RtlUnicodeStringToAnsiString(&AnsiValueString, &ValueString, FALSE);
183  return STATUS_SUCCESS;
184 }
185 
186 PSMP_REGISTRY_VALUE
187 NTAPI
188 SmpFindRegistryValue(IN PLIST_ENTRY List,
189  IN PWSTR ValueName)
190 {
191  PSMP_REGISTRY_VALUE RegEntry;
192  UNICODE_STRING ValueString;
193  PLIST_ENTRY NextEntry;
194 
195  /* Initialize the value name sting */
196  RtlInitUnicodeString(&ValueString, ValueName);
197 
198  /* Loop the list */
199  NextEntry = List->Flink;
200  while (NextEntry != List)
201  {
202  /* Get each entry */
203  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
204 
205  /* Check if the value name matches */
206  if (!RtlCompareUnicodeString(&RegEntry->Name, &ValueString, TRUE)) break;
207 
208  /* It doesn't, move on */
209  NextEntry = NextEntry->Flink;
210  }
211 
212  /* If we looped back, return NULL, otherwise return the entry we found */
213  if (NextEntry == List) RegEntry = NULL;
214  return RegEntry;
215 }
216 
217 NTSTATUS
218 NTAPI
219 SmpConfigureProtectionMode(IN PWSTR ValueName,
220  IN ULONG ValueType,
221  IN PVOID ValueData,
222  IN ULONG ValueLength,
223  IN PVOID Context,
224  IN PVOID EntryContext)
225 {
226  /* Make sure the value is valid */
227  if (ValueLength == sizeof(ULONG))
228  {
229  /* Read it */
230  SmpProtectionMode = *(PULONG)ValueData;
231  }
232  else
233  {
234  /* Default is to protect stuff */
235  SmpProtectionMode = 1;
236  }
237 
238  /* Recreate the security descriptors to take into account security mode */
239  SmpCreateSecurityDescriptors(FALSE);
240  DPRINT("SmpProtectionMode: %lu\n", SmpProtectionMode);
241  return STATUS_SUCCESS;
242 }
243 
244 NTSTATUS
245 NTAPI
246 SmpConfigureAllowProtectedRenames(IN PWSTR ValueName,
247  IN ULONG ValueType,
248  IN PVOID ValueData,
249  IN ULONG ValueLength,
250  IN PVOID Context,
251  IN PVOID EntryContext)
252 {
253  /* Make sure the value is valid */
254  if (ValueLength == sizeof(ULONG))
255  {
256  /* Read it */
257  SmpAllowProtectedRenames = *(PULONG)ValueData;
258  }
259  else
260  {
261  /* Default is to not allow protected renames */
262  SmpAllowProtectedRenames = 0;
263  }
264 
265  DPRINT("SmpAllowProtectedRenames: %lu\n", SmpAllowProtectedRenames);
266  return STATUS_SUCCESS;
267 }
268 
269 NTSTATUS
270 NTAPI
271 SmpConfigureObjectDirectories(IN PWSTR ValueName,
272  IN ULONG ValueType,
273  IN PVOID ValueData,
274  IN ULONG ValueLength,
275  IN PVOID Context,
276  IN PVOID EntryContext)
277 {
278  PISECURITY_DESCRIPTOR SecDescriptor;
279  NTSTATUS Status;
280  OBJECT_ATTRIBUTES ObjectAttributes;
281  HANDLE DirHandle;
282  UNICODE_STRING RpcString, WindowsString, SearchString;
283  PWCHAR SourceString = ValueData;
284 
285  /* Initialize the two strings we will be looking for */
286  RtlInitUnicodeString(&RpcString, L"\\RPC Control");
287  RtlInitUnicodeString(&WindowsString, L"\\Windows");
288 
289  /* Loop the registry data we received */
290  while (*SourceString)
291  {
292  /* Assume primary SD for most objects */
293  RtlInitUnicodeString(&SearchString, SourceString);
294  SecDescriptor = SmpPrimarySecurityDescriptor;
295 
296  /* But for these two always set the liberal descriptor */
297  if ((RtlEqualUnicodeString(&SearchString, &RpcString, TRUE)) ||
298  (RtlEqualUnicodeString(&SearchString, &WindowsString, TRUE)))
299  {
300  SecDescriptor = SmpLiberalSecurityDescriptor;
301  }
302 
303  /* Create the requested directory with the requested descriptor */
304  InitializeObjectAttributes(&ObjectAttributes,
305  &SearchString,
306  OBJ_CASE_INSENSITIVE |
307  OBJ_OPENIF |
308  OBJ_PERMANENT,
309  NULL,
310  SecDescriptor);
311  DPRINT("Creating: %wZ directory\n", &SearchString);
312  Status = NtCreateDirectoryObject(&DirHandle,
313  DIRECTORY_ALL_ACCESS,
314  &ObjectAttributes);
315  if (!NT_SUCCESS(Status))
316  {
317  /* Failure case */
318  DPRINT1("SMSS: Unable to create %wZ object directory - Status == %lx\n",
319  &SearchString, Status);
320  }
321  else
322  {
323  /* It worked, now close the handle */
324  NtClose(DirHandle);
325  }
326 
327  /* Move to the next requested object */
328  SourceString += wcslen(SourceString) + 1;
329  }
330 
331  /* All done */
332  return STATUS_SUCCESS;
333 }
334 
335 NTSTATUS
336 NTAPI
337 SmpConfigureMemoryMgmt(IN PWSTR ValueName,
338  IN ULONG ValueType,
339  IN PVOID ValueData,
340  IN ULONG ValueLength,
341  IN PVOID Context,
342  IN PVOID EntryContext)
343 {
344  /* Save this is into a list */
345  return SmpSaveRegistryValue(EntryContext, ValueData, NULL, TRUE);
346 }
347 
348 NTSTATUS
349 NTAPI
350 SmpConfigureFileRenames(IN PWSTR ValueName,
351  IN ULONG ValueType,
352  IN PVOID ValueData,
353  IN ULONG ValueLength,
354  IN PVOID Context,
355  IN PVOID EntryContext)
356 {
357  NTSTATUS Status;
358  static PWCHAR Canary = NULL;
359 
360  /* Check if this is the second call */
361  if (Canary)
362  {
363  /* Save the data into the list */
364  DPRINT("Renamed file: '%S' - '%S'\n", Canary, ValueData);
365  Status = SmpSaveRegistryValue(EntryContext, Canary, ValueData, FALSE);
366  Canary = NULL;
367  }
368  else
369  {
370  /* This it the first call, do nothing until we get the second call */
371  Canary = ValueData;
372  Status = STATUS_SUCCESS;
373  }
374 
375  /* Return the status */
376  return Status;
377 }
378 
379 NTSTATUS
380 NTAPI
381 SmpConfigureExcludeKnownDlls(IN PWSTR ValueName,
382  IN ULONG ValueType,
383  IN PVOID ValueData,
384  IN ULONG ValueLength,
385  IN PVOID Context,
386  IN PVOID EntryContext)
387 {
388  PWCHAR DllName;
389  NTSTATUS Status;
390 
391  /* Make sure the value type is valid */
392  if ((ValueType == REG_MULTI_SZ) || (ValueType == REG_SZ))
393  {
394  /* Keep going for each DLL in the list */
395  DllName = ValueData;
396  while (*DllName)
397  {
398  /* Add this to the linked list */
399  DPRINT("Excluded DLL: %S\n", DllName);
400  Status = SmpSaveRegistryValue(EntryContext, DllName, NULL, TRUE);
401 
402  /* Bail out on failure or if only one DLL name was present */
403  if (!(NT_SUCCESS(Status)) || (ValueType == REG_SZ)) return Status;
404 
405  /* Otherwise, move to the next DLL name */
406  DllName += wcslen(DllName) + 1;
407  }
408  }
409 
410  /* All done */
411  return STATUS_SUCCESS;
412 }
413 
414 NTSTATUS
415 NTAPI
416 SmpConfigureDosDevices(IN PWSTR ValueName,
417  IN ULONG ValueType,
418  IN PVOID ValueData,
419  IN ULONG ValueLength,
420  IN PVOID Context,
421  IN PVOID EntryContext)
422 {
423  /* Save into linked list */
424  return SmpSaveRegistryValue(EntryContext, ValueName, ValueData, TRUE);
425 }
426 
427 NTSTATUS
428 NTAPI
429 SmpInitializeKnownDllPath(IN PUNICODE_STRING DllPath,
430  IN PWCHAR Buffer,
431  IN ULONG Length)
432 {
433  NTSTATUS Status;
434 
435  /* Allocate the buffer */
436  DllPath->Buffer = RtlAllocateHeap(RtlGetProcessHeap(), SmBaseTag, Length);
437  if (DllPath->Buffer)
438  {
439  /* Fill out the rest of the string */
440  DllPath->MaximumLength = (USHORT)Length;
441  DllPath->Length = (USHORT)Length - sizeof(UNICODE_NULL);
442 
443  /* Copy the actual path and return success */
444  RtlCopyMemory(DllPath->Buffer, Buffer, Length);
445  Status = STATUS_SUCCESS;
446  }
447  else
448  {
449  /* Fail with out of memory code */
450  Status = STATUS_NO_MEMORY;
451  }
452 
453  /* Return result */
454  return Status;
455 }
456 
457 NTSTATUS
458 NTAPI
459 SmpConfigureKnownDlls(IN PWSTR ValueName,
460  IN ULONG ValueType,
461  IN PVOID ValueData,
462  IN ULONG ValueLength,
463  IN PVOID Context,
464  IN PVOID EntryContext)
465 {
466  /* Check which value is being set */
467  if (_wcsicmp(ValueName, L"DllDirectory") == 0)
468  {
469  /* This is the directory, initialize it */
470  DPRINT("KnownDll Path: %S\n", ValueData);
471  return SmpInitializeKnownDllPath(&SmpKnownDllPath, ValueData, ValueLength);
472  }
473  else
474  {
475  /* Add to the linked list -- this is a file */
476  return SmpSaveRegistryValue(EntryContext, ValueName, ValueData, TRUE);
477  }
478 }
479 
480 NTSTATUS
481 NTAPI
482 SmpConfigureEnvironment(IN PWSTR ValueName,
483  IN ULONG ValueType,
484  IN PVOID ValueData,
485  IN ULONG ValueLength,
486  IN PVOID Context,
487  IN PVOID EntryContext)
488 {
489  NTSTATUS Status;
490  UNICODE_STRING ValueString, DataString;
491 
492  /* Convert the strings into UNICODE_STRING and set the variable defined */
493  RtlInitUnicodeString(&ValueString, ValueName);
494  RtlInitUnicodeString(&DataString, ValueData);
495  DPRINT("Setting %wZ = %wZ\n", &ValueString, &DataString);
496  Status = RtlSetEnvironmentVariable(0, &ValueString, &DataString);
497  if (!NT_SUCCESS(Status))
498  {
499  DPRINT1("SMSS: 'SET %wZ = %wZ' failed - Status == %lx\n",
500  &ValueString, &DataString, Status);
501  return Status;
502  }
503 
504  /* Check if the path is being set, and wait for the second instantiation */
505  if ((_wcsicmp(ValueName, L"Path") == 0) && (++SmpCalledConfigEnv == 2))
506  {
507  /* Allocate the path buffer */
508  SmpDefaultLibPathBuffer = RtlAllocateHeap(RtlGetProcessHeap(),
509  SmBaseTag,
510  ValueLength);
511  if (!SmpDefaultLibPathBuffer) return STATUS_NO_MEMORY;
512 
513  /* Copy the data into it and create the UNICODE_STRING to hold it */
514  RtlCopyMemory(SmpDefaultLibPathBuffer, ValueData, ValueLength);
515  RtlInitUnicodeString(&SmpDefaultLibPath, SmpDefaultLibPathBuffer);
516  }
517 
518  /* All good */
519  return STATUS_SUCCESS;
520 }
521 
522 NTSTATUS
523 NTAPI
524 SmpConfigureSubSystems(IN PWSTR ValueName,
525  IN ULONG ValueType,
526  IN PVOID ValueData,
527  IN ULONG ValueLength,
528  IN PVOID Context,
529  IN PVOID EntryContext)
530 {
531  PSMP_REGISTRY_VALUE RegEntry;
532  PWCHAR SubsystemName;
533 
534  /* Is this a required or optional subsystem? */
535  if ((_wcsicmp(ValueName, L"Required") != 0) &&
536  (_wcsicmp(ValueName, L"Optional") != 0))
537  {
538  /* It isn't, is this the PSI flag? */
539  if ((_wcsicmp(ValueName, L"PosixSingleInstance") != 0) ||
540  (ValueType != REG_DWORD))
541  {
542  /* It isn't, must be a subsystem entry, add it to the list */
543  DPRINT("Subsystem entry: %S-%S\n", ValueName, ValueData);
544  return SmpSaveRegistryValue(EntryContext, ValueName, ValueData, TRUE);
545  }
546 
547  /* This was the PSI flag, save it and exit */
548  RegPosixSingleInstance = TRUE;
549  return STATUS_SUCCESS;
550  }
551 
552  /* This should be one of the required/optional lists. Is the type valid? */
553  if (ValueType == REG_MULTI_SZ)
554  {
555  /* It is, get the first subsystem */
556  SubsystemName = ValueData;
557  while (*SubsystemName)
558  {
559  /* We should have already put it into the list when we found it */
560  DPRINT("Found subsystem: %S\n", SubsystemName);
561  RegEntry = SmpFindRegistryValue(EntryContext, SubsystemName);
562  if (!RegEntry)
563  {
564  /* This subsystem doesn't exist, so skip it */
565  DPRINT1("SMSS: Invalid subsystem name - %ws\n", SubsystemName);
566  }
567  else
568  {
569  /* Found it -- remove it from the main list */
570  RemoveEntryList(&RegEntry->Entry);
571 
572  /* Figure out which list to put it in */
573  if (_wcsicmp(ValueName, L"Required") == 0)
574  {
575  /* Put it into the required list */
576  DPRINT("Required\n");
577  InsertTailList(&SmpSubSystemsToLoad, &RegEntry->Entry);
578  }
579  else
580  {
581  /* Put it into the optional list */
582  DPRINT("Optional\n");
583  InsertTailList(&SmpSubSystemsToDefer, &RegEntry->Entry);
584  }
585  }
586 
587  /* Move to the next name */
588  SubsystemName += wcslen(SubsystemName) + 1;
589  }
590  }
591 
592  /* All done! */
593  return STATUS_SUCCESS;
594 }
595 
596 RTL_QUERY_REGISTRY_TABLE
597 SmpRegistryConfigurationTable[] =
598 {
599  {
600  SmpConfigureProtectionMode,
601  0,
602  L"ProtectionMode",
603  NULL,
604  REG_DWORD,
605  NULL,
606  0
607  },
608 
609  {
610  SmpConfigureAllowProtectedRenames,
611  RTL_QUERY_REGISTRY_DELETE,
612  L"AllowProtectedRenames",
613  NULL,
614  REG_DWORD,
615  NULL,
616  0
617  },
618 
619  {
620  SmpConfigureObjectDirectories,
621  0,
622  L"ObjectDirectories",
623  NULL,
624  REG_MULTI_SZ,
625  L"\\Windows\0\\RPC Control\0",
626  0
627  },
628 
629  {
630  SmpConfigureMemoryMgmt,
631  0,
632  L"BootExecute",
633  &SmpBootExecuteList,
634  REG_MULTI_SZ,
635  L"autocheck AutoChk.exe *\0",
636  0
637  },
638 
639  {
640  SmpConfigureMemoryMgmt,
641  RTL_QUERY_REGISTRY_TOPKEY,
642  L"SetupExecute",
643  &SmpSetupExecuteList,
644  REG_NONE,
645  NULL,
646  0
647  },
648 
649  {
650  SmpConfigureFileRenames,
651  RTL_QUERY_REGISTRY_DELETE,
652  L"PendingFileRenameOperations",
653  &SmpFileRenameList,
654  REG_NONE,
655  NULL,
656  0
657  },
658 
659  {
660  SmpConfigureFileRenames,
661  RTL_QUERY_REGISTRY_DELETE,
662  L"PendingFileRenameOperations2",
663  &SmpFileRenameList,
664  REG_NONE,
665  NULL,
666  0
667  },
668 
669  {
670  SmpConfigureExcludeKnownDlls,
671  0,
672  L"ExcludeFromKnownDlls",
673  &SmpExcludeKnownDllsList,
674  REG_MULTI_SZ,
675  L"\0",
676  0
677  },
678 
679  {
680  NULL,
681  RTL_QUERY_REGISTRY_SUBKEY,
682  L"Memory Management",
683  NULL,
684  REG_NONE,
685  NULL,
686  0
687  },
688 
689  {
690  SmpConfigureMemoryMgmt,
691  0,
692  L"PagingFiles",
693  &SmpPagingFileList,
694  REG_MULTI_SZ,
695  L"?:\\pagefile.sys\0",
696  0
697  },
698 
699  {
700  SmpConfigureDosDevices,
701  RTL_QUERY_REGISTRY_SUBKEY,
702  L"DOS Devices",
703  &SmpDosDevicesList,
704  REG_NONE,
705  NULL,
706  0
707  },
708 
709  {
710  SmpConfigureKnownDlls,
711  RTL_QUERY_REGISTRY_SUBKEY,
712  L"KnownDlls",
713  &SmpKnownDllsList,
714  REG_NONE,
715  NULL,
716  0
717  },
718 
719  {
720  SmpConfigureEnvironment,
721  RTL_QUERY_REGISTRY_SUBKEY,
722  L"Environment",
723  NULL,
724  REG_NONE,
725  NULL,
726  0
727  },
728 
729  {
730  SmpConfigureSubSystems,
731  RTL_QUERY_REGISTRY_SUBKEY,
732  L"SubSystems",
733  &SmpSubSystemList,
734  REG_NONE,
735  NULL,
736  0
737  },
738 
739  {
740  SmpConfigureSubSystems,
741  RTL_QUERY_REGISTRY_NOEXPAND,
742  L"Required",
743  &SmpSubSystemList,
744  REG_MULTI_SZ,
745  L"Debug\0Windows\0",
746  0
747  },
748 
749  {
750  SmpConfigureSubSystems,
751  RTL_QUERY_REGISTRY_NOEXPAND,
752  L"Optional",
753  &SmpSubSystemList,
754  REG_NONE,
755  NULL,
756  0
757  },
758 
759  {
760  SmpConfigureSubSystems,
761  0,
762  L"Kmode",
763  &SmpSubSystemList,
764  REG_NONE,
765  NULL,
766  0
767  },
768 
769  {
770  SmpConfigureMemoryMgmt,
771  RTL_QUERY_REGISTRY_TOPKEY,
772  L"Execute",
773  &SmpExecuteList,
774  REG_NONE,
775  NULL,
776  0
777  },
778 
779  {0},
780 };
781 
782 /* FUNCTIONS ******************************************************************/
783 
784 VOID
785 NTAPI
786 SmpTranslateSystemPartitionInformation(VOID)
787 {
788  NTSTATUS Status;
789  UNICODE_STRING UnicodeString, LinkTarget, SearchString, SystemPartition;
790  OBJECT_ATTRIBUTES ObjectAttributes;
791  HANDLE KeyHandle, LinkHandle;
792  CHAR ValueBuffer[512 + sizeof(KEY_VALUE_PARTIAL_INFORMATION)];
793  PKEY_VALUE_PARTIAL_INFORMATION PartialInfo = (PVOID)ValueBuffer;
794  ULONG Length, Context;
795  CHAR DirInfoBuffer[512 + sizeof(OBJECT_DIRECTORY_INFORMATION)];
796  POBJECT_DIRECTORY_INFORMATION DirInfo = (PVOID)DirInfoBuffer;
797  WCHAR LinkBuffer[MAX_PATH];
798 
799  /* Open the setup key */
800  RtlInitUnicodeString(&UnicodeString, L"\\Registry\\Machine\\System\\Setup");
801  InitializeObjectAttributes(&ObjectAttributes,
802  &UnicodeString,
803  OBJ_CASE_INSENSITIVE,
804  NULL,
805  NULL);
806  Status = NtOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
807  if (!NT_SUCCESS(Status))
808  {
809  DPRINT1("SMSS: can't open system setup key for reading: 0x%x\n", Status);
810  return;
811  }
812 
813  /* Query the system partition */
814  RtlInitUnicodeString(&UnicodeString, L"SystemPartition");
815  Status = NtQueryValueKey(KeyHandle,
816  &UnicodeString,
817  KeyValuePartialInformation,
818  PartialInfo,
819  sizeof(ValueBuffer),
820  &Length);
821  NtClose(KeyHandle);
822  if (!NT_SUCCESS(Status))
823  {
824  DPRINT1("SMSS: can't query SystemPartition value: 0x%x\n", Status);
825  return;
826  }
827 
828  /* Initialize the system partition string string */
829  RtlInitUnicodeString(&SystemPartition, (PWCHAR)PartialInfo->Data);
830 
831  /* Enumerate the directory looking for the symbolic link string */
832  RtlInitUnicodeString(&SearchString, L"SymbolicLink");
833  RtlInitEmptyUnicodeString(&LinkTarget, LinkBuffer, sizeof(LinkBuffer));
834  Status = NtQueryDirectoryObject(SmpDosDevicesObjectDirectory,
835  DirInfo,
836  sizeof(DirInfoBuffer),
837  TRUE,
838  TRUE,
839  &Context,
840  NULL);
841  if (!NT_SUCCESS(Status))
842  {
843  DPRINT1("SMSS: can't find drive letter for system partition\n");
844  return;
845  }
846 
847  /* Keep searching until we find it */
848  do
849  {
850  /* Is this it? */
851  if ((RtlEqualUnicodeString(&DirInfo->TypeName, &SearchString, TRUE)) &&
852  (DirInfo->Name.Length == 2 * sizeof(WCHAR)) &&
853  (DirInfo->Name.Buffer[1] == L':'))
854  {
855  /* Looks like we found it, open the link to get its target */
856  InitializeObjectAttributes(&ObjectAttributes,
857  &DirInfo->Name,
858  OBJ_CASE_INSENSITIVE,
859  SmpDosDevicesObjectDirectory,
860  NULL);
861  Status = NtOpenSymbolicLinkObject(&LinkHandle,
862  SYMBOLIC_LINK_ALL_ACCESS,
863  &ObjectAttributes);
864  if (NT_SUCCESS(Status))
865  {
866  /* Open worked, query the target now */
867  Status = NtQuerySymbolicLinkObject(LinkHandle,
868  &LinkTarget,
869  NULL);
870  NtClose(LinkHandle);
871 
872  /* Check if it matches the string we had found earlier */
873  if ((NT_SUCCESS(Status)) &&
874  ((RtlEqualUnicodeString(&SystemPartition,
875  &LinkTarget,
876  TRUE)) ||
877  ((RtlPrefixUnicodeString(&SystemPartition,
878  &LinkTarget,
879  TRUE)) &&
880  (LinkTarget.Buffer[SystemPartition.Length / sizeof(WCHAR)] == L'\\'))))
881  {
882  /* All done */
883  break;
884  }
885  }
886  }
887 
888  /* Couldn't find it, try again */
889  Status = NtQueryDirectoryObject(SmpDosDevicesObjectDirectory,
890  DirInfo,
891  sizeof(DirInfoBuffer),
892  TRUE,
893  FALSE,
894  &Context,
895  NULL);
896  } while (NT_SUCCESS(Status));
897  if (!NT_SUCCESS(Status))
898  {
899  DPRINT1("SMSS: can't find drive letter for system partition\n");
900  return;
901  }
902 
903  /* Open the setup key again, for full access this time */
904  RtlInitUnicodeString(&UnicodeString,
905  L"\\Registry\\Machine\\Software\\Microsoft\\Windows\\CurrentVersion\\Setup");
906  InitializeObjectAttributes(&ObjectAttributes,
907  &UnicodeString,
908  OBJ_CASE_INSENSITIVE,
909  NULL,
910  NULL);
911  Status = NtOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
912  if (!NT_SUCCESS(Status))
913  {
914  DPRINT1("SMSS: can't open software setup key for writing: 0x%x\n",
915  Status);
916  return;
917  }
918 
919  /* Wrap up the end of the link buffer */
920  wcsncpy(LinkBuffer, DirInfo->Name.Buffer, 2);
921  LinkBuffer[2] = L'\\';
922  LinkBuffer[3] = L'\0';
923 
924  /* Now set this as the "BootDir" */
925  RtlInitUnicodeString(&UnicodeString, L"BootDir");
926  Status = NtSetValueKey(KeyHandle,
927  &UnicodeString,
928  0,
929  REG_SZ,
930  LinkBuffer,
931  4 * sizeof(WCHAR));
932  if (!NT_SUCCESS(Status))
933  {
934  DPRINT1("SMSS: couldn't write BootDir value: 0x%x\n", Status);
935  }
936  NtClose(KeyHandle);
937 }
938 
939 NTSTATUS
940 NTAPI
941 SmpCreateSecurityDescriptors(IN BOOLEAN InitialCall)
942 {
943  NTSTATUS Status;
944  PSID WorldSid = NULL, AdminSid = NULL, SystemSid = NULL;
945  PSID RestrictedSid = NULL, OwnerSid = NULL;
946  SID_IDENTIFIER_AUTHORITY WorldAuthority = {SECURITY_WORLD_SID_AUTHORITY};
947  SID_IDENTIFIER_AUTHORITY NtAuthority = {SECURITY_NT_AUTHORITY};
948  SID_IDENTIFIER_AUTHORITY CreatorAuthority = {SECURITY_CREATOR_SID_AUTHORITY};
949  ULONG AclLength, SidLength;
950  PACL Acl;
951  PACE_HEADER Ace;
952  BOOLEAN ProtectionRequired = FALSE;
953 
954  /* Check if this is the first call */
955  if (InitialCall)
956  {
957  /* Create and set the primary descriptor */
958  SmpPrimarySecurityDescriptor = &SmpPrimarySDBody;
959  Status = RtlCreateSecurityDescriptor(SmpPrimarySecurityDescriptor,
960  SECURITY_DESCRIPTOR_REVISION);
961  ASSERT(NT_SUCCESS(Status));
962  Status = RtlSetDaclSecurityDescriptor(SmpPrimarySecurityDescriptor,
963  TRUE,
964  NULL,
965  FALSE);
966  ASSERT(NT_SUCCESS(Status));
967 
968  /* Create and set the liberal descriptor */
969  SmpLiberalSecurityDescriptor = &SmpLiberalSDBody;
970  Status = RtlCreateSecurityDescriptor(SmpLiberalSecurityDescriptor,
971  SECURITY_DESCRIPTOR_REVISION);
972  ASSERT(NT_SUCCESS(Status));
973  Status = RtlSetDaclSecurityDescriptor(SmpLiberalSecurityDescriptor,
974  TRUE,
975  NULL,
976  FALSE);
977  ASSERT(NT_SUCCESS(Status));
978 
979  /* Create and set the \KnownDlls descriptor */
980  SmpKnownDllsSecurityDescriptor = &SmpKnownDllsSDBody;
981  Status = RtlCreateSecurityDescriptor(SmpKnownDllsSecurityDescriptor,
982  SECURITY_DESCRIPTOR_REVISION);
983  ASSERT(NT_SUCCESS(Status));
984  Status = RtlSetDaclSecurityDescriptor(SmpKnownDllsSecurityDescriptor,
985  TRUE,
986  NULL,
987  FALSE);
988  ASSERT(NT_SUCCESS(Status));
989 
990  /* Create and Set the \ApiPort descriptor */
991  SmpApiPortSecurityDescriptor = &SmpApiPortSDBody;
992  Status = RtlCreateSecurityDescriptor(SmpApiPortSecurityDescriptor,
993  SECURITY_DESCRIPTOR_REVISION);
994  ASSERT(NT_SUCCESS(Status));
995  Status = RtlSetDaclSecurityDescriptor(SmpApiPortSecurityDescriptor,
996  TRUE,
997  NULL,
998  FALSE);
999  ASSERT(NT_SUCCESS(Status));
1000  }
1001 
1002  /* Check if protection was requested in the registry (on by default) */
1003  if (SmpProtectionMode & 1) ProtectionRequired = TRUE;
1004 
1005  /* Exit if there's nothing to do */
1006  if (!(InitialCall || ProtectionRequired)) return STATUS_SUCCESS;
1007 
1008  /* Build the world SID */
1009  Status = RtlAllocateAndInitializeSid(&WorldAuthority, 1,
1010  SECURITY_WORLD_RID,
1011  0, 0, 0, 0, 0, 0, 0,
1012  &WorldSid);
1013  if (!NT_SUCCESS(Status))
1014  {
1015  WorldSid = NULL;
1016  goto Quickie;
1017  }
1018 
1019  /* Build the admin SID */
1020  Status = RtlAllocateAndInitializeSid(&NtAuthority, 2,
1021  SECURITY_BUILTIN_DOMAIN_RID,
1022  DOMAIN_ALIAS_RID_ADMINS,
1023  0, 0, 0, 0, 0, 0,
1024  &AdminSid);
1025  if (!NT_SUCCESS(Status))
1026  {
1027  AdminSid = NULL;
1028  goto Quickie;
1029  }
1030 
1031  /* Build the owner SID */
1032  Status = RtlAllocateAndInitializeSid(&CreatorAuthority, 1,
1033  SECURITY_CREATOR_OWNER_RID,
1034  0, 0, 0, 0, 0, 0, 0,
1035  &OwnerSid);
1036  if (!NT_SUCCESS(Status))
1037  {
1038  OwnerSid = NULL;
1039  goto Quickie;
1040  }
1041 
1042  /* Build the restricted SID */
1043  Status = RtlAllocateAndInitializeSid(&NtAuthority, 1,
1044  SECURITY_RESTRICTED_CODE_RID,
1045  0, 0, 0, 0, 0, 0, 0,
1046  &RestrictedSid);
1047  if (!NT_SUCCESS(Status))
1048  {
1049  RestrictedSid = NULL;
1050  goto Quickie;
1051  }
1052 
1053  /* Build the system SID */
1054  Status = RtlAllocateAndInitializeSid(&NtAuthority, 1,
1055  SECURITY_LOCAL_SYSTEM_RID,
1056  0, 0, 0, 0, 0, 0, 0,
1057  &SystemSid);
1058  if (!NT_SUCCESS(Status))
1059  {
1060  SystemSid = NULL;
1061  goto Quickie;
1062  }
1063 
1064  /* Now check if we're creating the core descriptors */
1065  if (!InitialCall)
1066  {
1067  /* We're skipping NextAcl so we have to do this here */
1068  SidLength = RtlLengthSid(WorldSid) + RtlLengthSid(RestrictedSid) + RtlLengthSid(AdminSid);
1069  SidLength *= 2;
1070  goto NotInitial;
1071  }
1072 
1073  /* Allocate an ACL with two ACEs with two SIDs each */
1074  SidLength = RtlLengthSid(SystemSid) + RtlLengthSid(AdminSid);
1075  AclLength = sizeof(ACL) + 2 * sizeof(ACCESS_ALLOWED_ACE) + SidLength;
1076  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1077  if (!Acl) Status = STATUS_NO_MEMORY;
1078  if (!NT_SUCCESS(Status)) goto NextAcl;
1079 
1080  /* Now build the ACL and add the two ACEs */
1081  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1082  ASSERT(NT_SUCCESS(Status));
1083  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1084  ASSERT(NT_SUCCESS(Status));
1085  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, SystemSid);
1086  ASSERT(NT_SUCCESS(Status));
1087 
1088  /* Set this as the DACL */
1089  Status = RtlSetDaclSecurityDescriptor(SmpApiPortSecurityDescriptor,
1090  TRUE,
1091  Acl,
1092  FALSE);
1093  ASSERT(NT_SUCCESS(Status));
1094 
1095 NextAcl:
1096  /* Allocate an ACL with 6 ACEs, two ACEs per SID */
1097  SidLength = RtlLengthSid(WorldSid) + RtlLengthSid(RestrictedSid) + RtlLengthSid(AdminSid);
1098  SidLength *= 2;
1099  AclLength = sizeof(ACL) + 6 * sizeof(ACCESS_ALLOWED_ACE) + SidLength;
1100  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1101  if (!Acl) Status = STATUS_NO_MEMORY;
1102  if (!NT_SUCCESS(Status)) goto NotInitial;
1103 
1104  /* Now build the ACL and add the six ACEs */
1105  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1106  ASSERT(NT_SUCCESS(Status));
1107  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE, WorldSid);
1108  ASSERT(NT_SUCCESS(Status));
1109  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE, RestrictedSid);
1110  ASSERT(NT_SUCCESS(Status));
1111  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1112  ASSERT(NT_SUCCESS(Status));
1113  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, WorldSid);
1114  ASSERT(NT_SUCCESS(Status));
1115  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, RestrictedSid);
1116  ASSERT(NT_SUCCESS(Status));
1117  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1118  ASSERT(NT_SUCCESS(Status));
1119 
1120  /* Now edit the last three ACEs and make them inheritable */
1121  Status = RtlGetAce(Acl, 3, (PVOID)&Ace);
1122  ASSERT(NT_SUCCESS(Status));
1123  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1124  Status = RtlGetAce(Acl, 4, (PVOID)&Ace);
1125  ASSERT(NT_SUCCESS(Status));
1126  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1127  Status = RtlGetAce(Acl, 5, (PVOID)&Ace);
1128  ASSERT(NT_SUCCESS(Status));
1129  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1130 
1131  /* Set this as the DACL */
1132  Status = RtlSetDaclSecurityDescriptor(SmpKnownDllsSecurityDescriptor,
1133  TRUE,
1134  Acl,
1135  FALSE);
1136  ASSERT(NT_SUCCESS(Status));
1137 
1138 NotInitial:
1139  /* The initial ACLs have been created, are we also protecting objects? */
1140  if (!ProtectionRequired) goto Quickie;
1141 
1142  /* Allocate an ACL with 7 ACEs, two ACEs per SID, and one final owner ACE */
1143  SidLength += RtlLengthSid(OwnerSid);
1144  AclLength = sizeof(ACL) + 7 * sizeof (ACCESS_ALLOWED_ACE) + 2 * SidLength;
1145  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1146  if (!Acl) Status = STATUS_NO_MEMORY;
1147  if (!NT_SUCCESS(Status)) goto Quickie;
1148 
1149  /* Build the ACL and add the seven ACEs */
1150  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1151  ASSERT(NT_SUCCESS(Status));
1152  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, WorldSid);
1153  ASSERT(NT_SUCCESS(Status));
1154  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, RestrictedSid);
1155  ASSERT(NT_SUCCESS(Status));
1156  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1157  ASSERT(NT_SUCCESS(Status));
1158  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, WorldSid);
1159  ASSERT(NT_SUCCESS(Status));
1160  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, RestrictedSid);
1161  ASSERT(NT_SUCCESS(Status));
1162  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1163  ASSERT(NT_SUCCESS(Status));
1164  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, OwnerSid);
1165  ASSERT(NT_SUCCESS(Status));
1166 
1167  /* Edit the last 4 ACEs to make then inheritable */
1168  Status = RtlGetAce(Acl, 3, (PVOID)&Ace);
1169  ASSERT(NT_SUCCESS(Status));
1170  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1171  Status = RtlGetAce(Acl, 4, (PVOID)&Ace);
1172  ASSERT(NT_SUCCESS(Status));
1173  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1174  Status = RtlGetAce(Acl, 5, (PVOID)&Ace);
1175  ASSERT(NT_SUCCESS(Status));
1176  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1177  Status = RtlGetAce(Acl, 6, (PVOID)&Ace);
1178  ASSERT(NT_SUCCESS(Status));
1179  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1180 
1181  /* Set this as the DACL for the primary SD */
1182  Status = RtlSetDaclSecurityDescriptor(SmpPrimarySecurityDescriptor,
1183  TRUE,
1184  Acl,
1185  FALSE);
1186  ASSERT(NT_SUCCESS(Status));
1187 
1188  /* Allocate an ACL with 7 ACEs, two ACEs per SID, and one final owner ACE */
1189  AclLength = sizeof(ACL) + 7 * sizeof (ACCESS_ALLOWED_ACE) + 2 * SidLength;
1190  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1191  if (!Acl) Status = STATUS_NO_MEMORY;
1192  if (!NT_SUCCESS(Status)) goto Quickie;
1193 
1194  /* Build the ACL and add the seven ACEs */
1195  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1196  ASSERT(NT_SUCCESS(Status));
1197  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, WorldSid);
1198  ASSERT(NT_SUCCESS(Status));
1199  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, RestrictedSid);
1200  ASSERT(NT_SUCCESS(Status));
1201  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1202  ASSERT(NT_SUCCESS(Status));
1203  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, WorldSid);
1204  ASSERT(NT_SUCCESS(Status));
1205  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, RestrictedSid);
1206  ASSERT(NT_SUCCESS(Status));
1207  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1208  ASSERT(NT_SUCCESS(Status));
1209  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, OwnerSid);
1210  ASSERT(NT_SUCCESS(Status));
1211 
1212  /* Edit the last 4 ACEs to make then inheritable */
1213  Status = RtlGetAce(Acl, 3, (PVOID)&Ace);
1214  ASSERT(NT_SUCCESS(Status));
1215  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1216  Status = RtlGetAce(Acl, 4, (PVOID)&Ace);
1217  ASSERT(NT_SUCCESS(Status));
1218  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1219  Status = RtlGetAce(Acl, 5, (PVOID)&Ace);
1220  ASSERT(NT_SUCCESS(Status));
1221  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1222  Status = RtlGetAce(Acl, 6, (PVOID)&Ace);
1223  ASSERT(NT_SUCCESS(Status));
1224  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1225 
1226  /* Now set this as the DACL for the liberal SD */
1227  Status = RtlSetDaclSecurityDescriptor(SmpLiberalSecurityDescriptor,
1228  TRUE,
1229  Acl,
1230  FALSE);
1231  ASSERT(NT_SUCCESS(Status));
1232 
1233 Quickie:
1234  /* Cleanup the SIDs */
1235  if (OwnerSid) RtlFreeHeap(RtlGetProcessHeap(), 0, OwnerSid);
1236  if (AdminSid) RtlFreeHeap(RtlGetProcessHeap(), 0, AdminSid);
1237  if (WorldSid) RtlFreeHeap(RtlGetProcessHeap(), 0, WorldSid);
1238  if (SystemSid) RtlFreeHeap(RtlGetProcessHeap(), 0, SystemSid);
1239  if (RestrictedSid) RtlFreeHeap(RtlGetProcessHeap(), 0, RestrictedSid);
1240  return Status;
1241 }
1242 
1243 NTSTATUS
1244 NTAPI
1245 SmpInitializeDosDevices(VOID)
1246 {
1247  NTSTATUS Status;
1248  PSMP_REGISTRY_VALUE RegEntry;
1249  SECURITY_DESCRIPTOR_CONTROL OldFlag = 0;
1250  OBJECT_ATTRIBUTES ObjectAttributes;
1251  UNICODE_STRING DestinationString;
1252  HANDLE DirHandle;
1253  PLIST_ENTRY NextEntry, Head;
1254 
1255  /* Open the GLOBAL?? directory */
1256  RtlInitUnicodeString(&DestinationString, L"\\??");
1257  InitializeObjectAttributes(&ObjectAttributes,
1258  &DestinationString,
1259  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1260  NULL,
1261  NULL);
1262  Status = NtOpenDirectoryObject(&SmpDosDevicesObjectDirectory,
1263  DIRECTORY_ALL_ACCESS,
1264  &ObjectAttributes);
1265  if (!NT_SUCCESS(Status))
1266  {
1267  DPRINT1("SMSS: Unable to open %wZ directory - Status == %lx\n",
1268  &DestinationString, Status);
1269  return Status;
1270  }
1271 
1272  /* Loop the DOS devices */
1273  Head = &SmpDosDevicesList;
1274  while (!IsListEmpty(Head))
1275  {
1276  /* Get the entry and remove it */
1277  NextEntry = RemoveHeadList(Head);
1278  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
1279 
1280  /* Initialize the attributes, and see which descriptor is being used */
1281  InitializeObjectAttributes(&ObjectAttributes,
1282  &RegEntry->Name,
1283  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1284  SmpDosDevicesObjectDirectory,
1285  SmpPrimarySecurityDescriptor);
1286  if (SmpPrimarySecurityDescriptor)
1287  {
1288  /* Save the old flag and set it while we create this link */
1289  OldFlag = SmpPrimarySecurityDescriptor->Control;
1290  SmpPrimarySecurityDescriptor->Control |= SE_DACL_DEFAULTED;
1291  }
1292 
1293  /* Create the symbolic link */
1294  DPRINT("Creating symlink for %wZ to %wZ\n", &RegEntry->Name, &RegEntry->Value);
1295  Status = NtCreateSymbolicLinkObject(&DirHandle,
1296  SYMBOLIC_LINK_ALL_ACCESS,
1297  &ObjectAttributes,
1298  &RegEntry->Value);
1299  if (Status == STATUS_OBJECT_NAME_EXISTS)
1300  {
1301  /* Make it temporary and get rid of the handle */
1302  NtMakeTemporaryObject(DirHandle);
1303  NtClose(DirHandle);
1304 
1305  /* Treat this as success, and see if we got a name back */
1306  Status = STATUS_SUCCESS;
1307  if (RegEntry->Value.Length)
1308  {
1309  /* Create it now with this name */
1310  ObjectAttributes.Attributes &= ~OBJ_OPENIF;
1311  Status = NtCreateSymbolicLinkObject(&DirHandle,
1312  SYMBOLIC_LINK_ALL_ACCESS,
1313  &ObjectAttributes,
1314  &RegEntry->Value);
1315  }
1316  }
1317 
1318  /* If we were using a security descriptor, restore the non-defaulted flag */
1319  if (ObjectAttributes.SecurityDescriptor)
1320  {
1321  SmpPrimarySecurityDescriptor->Control = OldFlag;
1322  }
1323 
1324  /* Print a failure if we failed to create the symbolic link */
1325  if (!NT_SUCCESS(Status))
1326  {
1327  DPRINT1("SMSS: Unable to create %wZ => %wZ symbolic link object - Status == 0x%lx\n",
1328  &RegEntry->Name,
1329  &RegEntry->Value,
1330  Status);
1331  break;
1332  }
1333 
1334  /* Close the handle */
1335  NtClose(DirHandle);
1336 
1337  /* Free this entry */
1338  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
1339  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
1340  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
1341  }
1342 
1343  /* Return the status */
1344  return Status;
1345 }
1346 
1347 VOID
1348 NTAPI
1349 SmpProcessModuleImports(IN PVOID Unused,
1350  IN PCHAR ImportName)
1351 {
1352  ULONG Length = 0, Chars;
1353  WCHAR Buffer[MAX_PATH];
1354  PWCHAR DllName, DllValue;
1355  ANSI_STRING ImportString;
1356  UNICODE_STRING ImportUnicodeString;
1357  NTSTATUS Status;
1358 
1359  /* Skip NTDLL since it's already always mapped */
1360  if (!_stricmp(ImportName, "ntdll.dll")) return;
1361 
1362  /* Initialize our strings */
1363  RtlInitAnsiString(&ImportString, ImportName);
1364  RtlInitEmptyUnicodeString(&ImportUnicodeString, Buffer, sizeof(Buffer));
1365  Status = RtlAnsiStringToUnicodeString(&ImportUnicodeString, &ImportString, FALSE);
1366  if (!NT_SUCCESS(Status)) return;
1367 
1368  /* Loop in case we find a forwarder */
1369  ImportUnicodeString.MaximumLength = ImportUnicodeString.Length + sizeof(UNICODE_NULL);
1370  while (Length < ImportUnicodeString.Length)
1371  {
1372  if (ImportUnicodeString.Buffer[Length / sizeof(WCHAR)] == L'.') break;
1373  Length += sizeof(WCHAR);
1374  }
1375 
1376  /* Break up the values as needed */
1377  DllValue = ImportUnicodeString.Buffer;
1378  DllName = &ImportUnicodeString.Buffer[ImportUnicodeString.MaximumLength / sizeof(WCHAR)];
1379  Chars = Length >> 1;
1380  wcsncpy(DllName, ImportUnicodeString.Buffer, Chars);
1381  DllName[Chars] = 0;
1382 
1383  /* Add the DLL to the list */
1384  SmpSaveRegistryValue(&SmpKnownDllsList, DllName, DllValue, TRUE);
1385 }
1386 
1387 NTSTATUS
1388 NTAPI
1389 SmpInitializeKnownDllsInternal(IN PUNICODE_STRING Directory,
1390  IN PUNICODE_STRING Path)
1391 {
1392  HANDLE DirFileHandle, DirHandle, SectionHandle, FileHandle, LinkHandle;
1393  UNICODE_STRING NtPath, DestinationString;
1394  OBJECT_ATTRIBUTES ObjectAttributes;
1395  NTSTATUS Status, Status1;
1396  PLIST_ENTRY NextEntry;
1397  PSMP_REGISTRY_VALUE RegEntry;
1398  ULONG_PTR ErrorParameters[3];
1399  UNICODE_STRING ErrorResponse;
1400  IO_STATUS_BLOCK IoStatusBlock;
1401  SECURITY_DESCRIPTOR_CONTROL OldFlag = 0;
1402  USHORT ImageCharacteristics;
1403 
1404  /* Initialize to NULL */
1405  DirFileHandle = NULL;
1406  DirHandle = NULL;
1407  NtPath.Buffer = NULL;
1408 
1409  /* Create the \KnownDLLs directory */
1410  InitializeObjectAttributes(&ObjectAttributes,
1411  Directory,
1412  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1413  NULL,
1414  SmpKnownDllsSecurityDescriptor);
1415  Status = NtCreateDirectoryObject(&DirHandle,
1416  DIRECTORY_ALL_ACCESS,
1417  &ObjectAttributes);
1418  if (!NT_SUCCESS(Status))
1419  {
1420  /* Handle failure */
1421  DPRINT1("SMSS: Unable to create %wZ directory - Status == %lx\n",
1422  Directory, Status);
1423  return Status;
1424  }
1425 
1426  /* Convert the path to native format */
1427  if (!RtlDosPathNameToNtPathName_U(Path->Buffer, &NtPath, NULL, NULL))
1428  {
1429  /* Fail if this didn't work */
1430  DPRINT1("SMSS: Unable to to convert %wZ to an Nt path\n", Path);
1431  Status = STATUS_OBJECT_NAME_INVALID;
1432  goto Quickie;
1433  }
1434 
1435  /* Open the path that was specified, which should be a directory */
1436  InitializeObjectAttributes(&ObjectAttributes,
1437  &NtPath,
1438  OBJ_CASE_INSENSITIVE,
1439  NULL,
1440  NULL);
1441  Status = NtOpenFile(&DirFileHandle,
1442  FILE_LIST_DIRECTORY | SYNCHRONIZE,
1443  &ObjectAttributes,
1444  &IoStatusBlock,
1445  FILE_SHARE_READ | FILE_SHARE_WRITE,
1446  FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT);
1447  if (!NT_SUCCESS(Status))
1448  {
1449  /* Fail if we couldn't open it */
1450  DPRINT1("SMSS: Unable to open a handle to the KnownDll directory (%wZ)"
1451  "- Status == %lx\n",
1452  Path,
1453  Status);
1454  FileHandle = NULL;
1455  goto Quickie;
1456  }
1457 
1458  /* Temporarily hack the SD to use a default DACL for this symbolic link */
1459  if (SmpPrimarySecurityDescriptor)
1460  {
1461  OldFlag = SmpPrimarySecurityDescriptor->Control;
1462  SmpPrimarySecurityDescriptor->Control |= SE_DACL_DEFAULTED;
1463  }
1464 
1465  /* Create a symbolic link to the directory in the object manager */
1466  RtlInitUnicodeString(&DestinationString, L"KnownDllPath");
1467  InitializeObjectAttributes(&ObjectAttributes,
1468  &DestinationString,
1469  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1470  DirHandle,
1471  SmpPrimarySecurityDescriptor);
1472  Status = NtCreateSymbolicLinkObject(&LinkHandle,
1473  SYMBOLIC_LINK_ALL_ACCESS,
1474  &ObjectAttributes,
1475  Path);
1476 
1477  /* Undo the hack */
1478  if (SmpPrimarySecurityDescriptor) SmpPrimarySecurityDescriptor->Control = OldFlag;
1479 
1480  /* Check if the symlink was created */
1481  if (!NT_SUCCESS(Status))
1482  {
1483  /* It wasn't, so bail out since the OS needs it to exist */
1484  DPRINT1("SMSS: Unable to create %wZ symbolic link - Status == %lx\n",
1485  &DestinationString, Status);
1486  LinkHandle = NULL;
1487  goto Quickie;
1488  }
1489 
1490  /* We created it permanent, we can go ahead and close the handle now */
1491  Status1 = NtClose(LinkHandle);
1492  ASSERT(NT_SUCCESS(Status1));
1493 
1494  /* Now loop the known DLLs */
1495  NextEntry = SmpKnownDllsList.Flink;
1496  while (NextEntry != &SmpKnownDllsList)
1497  {
1498  /* Get the entry and move on */
1499  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
1500  NextEntry = NextEntry->Flink;
1501 
1502  DPRINT("Processing known DLL: %wZ-%wZ\n", &RegEntry->Name, &RegEntry->Value);
1503 
1504  /* Skip the entry if it's in the excluded list */
1505  if ((SmpFindRegistryValue(&SmpExcludeKnownDllsList,
1506  RegEntry->Name.Buffer)) ||
1507  (SmpFindRegistryValue(&SmpExcludeKnownDllsList,
1508  RegEntry->Value.Buffer)))
1509  {
1510  continue;
1511  }
1512 
1513  /* Open the actual file */
1514  InitializeObjectAttributes(&ObjectAttributes,
1515  &RegEntry->Value,
1516  OBJ_CASE_INSENSITIVE,
1517  DirFileHandle,
1518  NULL);
1519  Status1 = NtOpenFile(&FileHandle,
1520  SYNCHRONIZE | FILE_EXECUTE,
1521  &ObjectAttributes,
1522  &IoStatusBlock,
1523  FILE_SHARE_READ | FILE_SHARE_DELETE,
1524  FILE_NON_DIRECTORY_FILE |
1525  FILE_SYNCHRONOUS_IO_NONALERT);
1526  /* If we failed, skip it */
1527  if (!NT_SUCCESS(Status1)) continue;
1528 
1529  /* Checksum it */
1530  Status = LdrVerifyImageMatchesChecksum((HANDLE)((ULONG_PTR)FileHandle | 1),
1531  SmpProcessModuleImports,
1532  RegEntry,
1533  &ImageCharacteristics);
1534  if (!NT_SUCCESS(Status))
1535  {
1536  /* Checksum failed, so don't even try going further -- kill SMSS */
1537  RtlInitUnicodeString(&ErrorResponse,
1538  L"Verification of a KnownDLL failed.");
1539  ErrorParameters[0] = (ULONG_PTR)&ErrorResponse;
1540  ErrorParameters[1] = Status;
1541  ErrorParameters[2] = (ULONG_PTR)&RegEntry->Value;
1542  SmpTerminate(ErrorParameters, 5, RTL_NUMBER_OF(ErrorParameters));
1543  }
1544  else if (!(ImageCharacteristics & IMAGE_FILE_DLL))
1545  {
1546  /* An invalid known DLL entry will also kill SMSS */
1547  RtlInitUnicodeString(&ErrorResponse,
1548  L"Non-DLL file included in KnownDLL list.");
1549  ErrorParameters[0] = (ULONG_PTR)&ErrorResponse;
1550  ErrorParameters[1] = STATUS_INVALID_IMPORT_OF_NON_DLL;
1551  ErrorParameters[2] = (ULONG_PTR)&RegEntry->Value;
1552  SmpTerminate(ErrorParameters, 5, RTL_NUMBER_OF(ErrorParameters));
1553  }
1554 
1555  /* Temporarily hack the SD to use a default DACL for this section */
1556  if (SmpLiberalSecurityDescriptor)
1557  {
1558  OldFlag = SmpLiberalSecurityDescriptor->Control;
1559  SmpLiberalSecurityDescriptor->Control |= SE_DACL_DEFAULTED;
1560  }
1561 
1562  /* Create the section for this known DLL */
1563  InitializeObjectAttributes(&ObjectAttributes,
1564  &RegEntry->Value,
1565  OBJ_PERMANENT,
1566  DirHandle,
1567  SmpLiberalSecurityDescriptor)
1568  Status = NtCreateSection(&SectionHandle,
1569  SECTION_ALL_ACCESS,
1570  &ObjectAttributes,
1571  0,
1572  PAGE_EXECUTE,
1573  SEC_IMAGE,
1574  FileHandle);
1575 
1576  /* Undo the hack */
1577  if (SmpLiberalSecurityDescriptor) SmpLiberalSecurityDescriptor->Control = OldFlag;
1578 
1579  /* Check if we created the section okay */
1580  if (NT_SUCCESS(Status))
1581  {
1582  /* We can close it now, since it's marked permanent */
1583  Status1 = NtClose(SectionHandle);
1584  ASSERT(NT_SUCCESS(Status1));
1585  }
1586  else
1587  {
1588  /* If we couldn't make it "known", that's fine and keep going */
1589  DPRINT1("SMSS: CreateSection for KnownDll %wZ failed - Status == %lx\n",
1590  &RegEntry->Value, Status);
1591  }
1592 
1593  /* Close the file since we can move on to the next one */
1594  Status1 = NtClose(FileHandle);
1595  ASSERT(NT_SUCCESS(Status1));
1596  }
1597 
1598 Quickie:
1599  /* Close both handles and free the NT path buffer */
1600  if (DirHandle)
1601  {
1602  Status1 = NtClose(DirHandle);
1603  ASSERT(NT_SUCCESS(Status1));
1604  }
1605  if (DirFileHandle)
1606  {
1607  Status1 = NtClose(DirFileHandle);
1608  ASSERT(NT_SUCCESS(Status1));
1609  }
1610  if (NtPath.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, NtPath.Buffer);
1611  return Status;
1612 }
1613 
1614 NTSTATUS
1615 NTAPI
1616 SmpInitializeKnownDlls(VOID)
1617 {
1618  NTSTATUS Status;
1619  PSMP_REGISTRY_VALUE RegEntry;
1620  UNICODE_STRING DestinationString;
1621  PLIST_ENTRY Head, NextEntry;
1622 
1623  /* Call the internal function */
1624  RtlInitUnicodeString(&DestinationString, L"\\KnownDlls");
1625  Status = SmpInitializeKnownDllsInternal(&DestinationString, &SmpKnownDllPath);
1626 
1627  /* Wipe out the list regardless of success */
1628  Head = &SmpKnownDllsList;
1629  while (!IsListEmpty(Head))
1630  {
1631  /* Remove this entry */
1632  NextEntry = RemoveHeadList(Head);
1633 
1634  /* Free it */
1635  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
1636  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
1637  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
1638  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
1639  }
1640 
1641  /* All done */
1642  return Status;
1643 }
1644 
1645 NTSTATUS
1646 NTAPI
1647 SmpCreateDynamicEnvironmentVariables(VOID)
1648 {
1649  NTSTATUS Status;
1650  SYSTEM_BASIC_INFORMATION BasicInfo;
1651  SYSTEM_PROCESSOR_INFORMATION ProcessorInfo;
1652  OBJECT_ATTRIBUTES ObjectAttributes;
1653  UNICODE_STRING ValueName, DestinationString;
1654  HANDLE KeyHandle, KeyHandle2;
1655  ULONG ResultLength;
1656  PWCHAR ValueData;
1657  WCHAR ValueBuffer[512], ValueBuffer2[512];
1658  PKEY_VALUE_PARTIAL_INFORMATION PartialInfo = (PVOID)ValueBuffer;
1659  PKEY_VALUE_PARTIAL_INFORMATION PartialInfo2 = (PVOID)ValueBuffer2;
1660 
1661  /* Get system basic information -- we'll need the CPU count */
1662  Status = NtQuerySystemInformation(SystemBasicInformation,
1663  &BasicInfo,
1664  sizeof(BasicInfo),
1665  NULL);
1666  if (!NT_SUCCESS(Status))
1667  {
1668  /* Bail out on failure */
1669  DPRINT1("SMSS: Unable to query system basic information - %x\n", Status);
1670  return Status;
1671  }
1672 
1673  /* Get the processor information, we'll query a bunch of revision info */
1674  Status = NtQuerySystemInformation(SystemProcessorInformation,
1675  &ProcessorInfo,
1676  sizeof(ProcessorInfo),
1677  NULL);
1678  if (!NT_SUCCESS(Status))
1679  {
1680  /* Bail out on failure */
1681  DPRINT1("SMSS: Unable to query system processor information - %x\n", Status);
1682  return Status;
1683  }
1684 
1685  /* We'll be writing all these environment variables over here */
1686  RtlInitUnicodeString(&DestinationString,
1687  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
1688  L"Control\\Session Manager\\Environment");
1689  InitializeObjectAttributes(&ObjectAttributes,
1690  &DestinationString,
1691  OBJ_CASE_INSENSITIVE,
1692  NULL,
1693  NULL);
1694  Status = NtOpenKey(&KeyHandle, GENERIC_WRITE, &ObjectAttributes);
1695  if (!NT_SUCCESS(Status))
1696  {
1697  /* Bail out on failure */
1698  DPRINT1("SMSS: Unable to open %wZ - %x\n", &DestinationString, Status);
1699  return Status;
1700  }
1701 
1702  /* First let's write the OS variable */
1703  RtlInitUnicodeString(&ValueName, L"OS");
1704  ValueData = L"Windows_NT";
1705  DPRINT("Setting %wZ to %S\n", &ValueName, ValueData);
1706  Status = NtSetValueKey(KeyHandle,
1707  &ValueName,
1708  0,
1709  REG_SZ,
1710  ValueData,
1711  (wcslen(ValueData) + 1) * sizeof(WCHAR));
1712  if (!NT_SUCCESS(Status))
1713  {
1714  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1715  &ValueName, Status);
1716  NtClose(KeyHandle);
1717  return Status;
1718  }
1719 
1720  /* Next, let's write the CPU architecture variable */
1721  RtlInitUnicodeString(&ValueName, L"PROCESSOR_ARCHITECTURE");
1722  switch (ProcessorInfo.ProcessorArchitecture)
1723  {
1724  /* Pick the correct string that matches the architecture */
1725  case PROCESSOR_ARCHITECTURE_INTEL:
1726  ValueData = L"x86";
1727  break;
1728 
1729  case PROCESSOR_ARCHITECTURE_AMD64:
1730  ValueData = L"AMD64";
1731  break;
1732 
1733  case PROCESSOR_ARCHITECTURE_IA64:
1734  ValueData = L"IA64";
1735  break;
1736 
1737  default:
1738  ValueData = L"Unknown";
1739  break;
1740  }
1741 
1742  /* Set it */
1743  DPRINT("Setting %wZ to %S\n", &ValueName, ValueData);
1744  Status = NtSetValueKey(KeyHandle,
1745  &ValueName,
1746  0,
1747  REG_SZ,
1748  ValueData,
1749  (wcslen(ValueData) + 1) * sizeof(WCHAR));
1750  if (!NT_SUCCESS(Status))
1751  {
1752  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1753  &ValueName, Status);
1754  NtClose(KeyHandle);
1755  return Status;
1756  }
1757 
1758  /* And now let's write the processor level */
1759  RtlInitUnicodeString(&ValueName, L"PROCESSOR_LEVEL");
1760  swprintf(ValueBuffer, L"%u", ProcessorInfo.ProcessorLevel);
1761  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1762  Status = NtSetValueKey(KeyHandle,
1763  &ValueName,
1764  0,
1765  REG_SZ,
1766  ValueBuffer,
1767  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1768  if (!NT_SUCCESS(Status))
1769  {
1770  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1771  &ValueName, Status);
1772  NtClose(KeyHandle);
1773  return Status;
1774  }
1775 
1776  /* Now open the hardware CPU key */
1777  RtlInitUnicodeString(&DestinationString,
1778  L"\\Registry\\Machine\\Hardware\\Description\\System\\"
1779  L"CentralProcessor\\0");
1780  InitializeObjectAttributes(&ObjectAttributes,
1781  &DestinationString,
1782  OBJ_CASE_INSENSITIVE,
1783  NULL,
1784  NULL);
1785  Status = NtOpenKey(&KeyHandle2, KEY_READ, &ObjectAttributes);
1786  if (!NT_SUCCESS(Status))
1787  {
1788  DPRINT1("SMSS: Unable to open %wZ - %x\n", &DestinationString, Status);
1789  NtClose(KeyHandle);
1790  return Status;
1791  }
1792 
1793  /* So that we can read the identifier out of it... */
1794  RtlInitUnicodeString(&ValueName, L"Identifier");
1795  Status = NtQueryValueKey(KeyHandle2,
1796  &ValueName,
1797  KeyValuePartialInformation,
1798  PartialInfo,
1799  sizeof(ValueBuffer),
1800  &ResultLength);
1801  if (!NT_SUCCESS(Status))
1802  {
1803  NtClose(KeyHandle2);
1804  NtClose(KeyHandle);
1805  DPRINT1("SMSS: Unable to read %wZ\\%wZ - %x\n",
1806  &DestinationString, &ValueName, Status);
1807  return Status;
1808  }
1809 
1810  /* As well as the vendor... */
1811  RtlInitUnicodeString(&ValueName, L"VendorIdentifier");
1812  Status = NtQueryValueKey(KeyHandle2,
1813  &ValueName,
1814  KeyValuePartialInformation,
1815  PartialInfo2,
1816  sizeof(ValueBuffer2),
1817  &ResultLength);
1818  NtClose(KeyHandle2);
1819  if (NT_SUCCESS(Status))
1820  {
1821  /* To combine it into a single string */
1822  swprintf((PWCHAR)PartialInfo->Data + wcslen((PWCHAR)PartialInfo->Data),
1823  L", %S",
1824  PartialInfo2->Data);
1825  }
1826 
1827  /* So that we can set this as the PROCESSOR_IDENTIFIER variable */
1828  RtlInitUnicodeString(&ValueName, L"PROCESSOR_IDENTIFIER");
1829  DPRINT("Setting %wZ to %s\n", &ValueName, PartialInfo->Data);
1830  Status = NtSetValueKey(KeyHandle,
1831  &ValueName,
1832  0,
1833  REG_SZ,
1834  PartialInfo->Data,
1835  (wcslen((PWCHAR)PartialInfo->Data) + 1) * sizeof(WCHAR));
1836  if (!NT_SUCCESS(Status))
1837  {
1838  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1839  &ValueName, Status);
1840  NtClose(KeyHandle);
1841  return Status;
1842  }
1843 
1844  /* Now let's get the processor architecture */
1845  RtlInitUnicodeString(&ValueName, L"PROCESSOR_REVISION");
1846  switch (ProcessorInfo.ProcessorArchitecture)
1847  {
1848  /* Check if this is an older Intel CPU */
1849  case PROCESSOR_ARCHITECTURE_INTEL:
1850  if ((ProcessorInfo.ProcessorRevision >> 8) == 0xFF)
1851  {
1852  /* These guys used a revision + stepping, so get the rev only */
1853  swprintf(ValueBuffer, L"%02x", ProcessorInfo.ProcessorRevision & 0xFF);
1854  _wcsupr(ValueBuffer);
1855  break;
1856  }
1857 
1858  /* Modern Intel, as well as 64-bit CPUs use a revision without stepping */
1859  case PROCESSOR_ARCHITECTURE_IA64:
1860  case PROCESSOR_ARCHITECTURE_AMD64:
1861  swprintf(ValueBuffer, L"%04x", ProcessorInfo.ProcessorRevision);
1862  break;
1863 
1864  /* And anything else we'll just read the whole revision identifier */
1865  default:
1866  swprintf(ValueBuffer, L"%u", ProcessorInfo.ProcessorRevision);
1867  break;
1868  }
1869 
1870  /* Write the revision to the registry */
1871  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1872  Status = NtSetValueKey(KeyHandle,
1873  &ValueName,
1874  0,
1875  REG_SZ,
1876  ValueBuffer,
1877  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1878  if (!NT_SUCCESS(Status))
1879  {
1880  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1881  &ValueName, Status);
1882  NtClose(KeyHandle);
1883  return Status;
1884  }
1885 
1886  /* And finally, write the number of CPUs */
1887  RtlInitUnicodeString(&ValueName, L"NUMBER_OF_PROCESSORS");
1888  swprintf(ValueBuffer, L"%d", BasicInfo.NumberOfProcessors);
1889  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1890  Status = NtSetValueKey(KeyHandle,
1891  &ValueName,
1892  0,
1893  REG_SZ,
1894  ValueBuffer,
1895  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1896  if (!NT_SUCCESS(Status))
1897  {
1898  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1899  &ValueName, Status);
1900  NtClose(KeyHandle);
1901  return Status;
1902  }
1903 
1904  /* Now we need to write the safeboot option key in a different format */
1905  RtlInitUnicodeString(&DestinationString,
1906  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
1907  L"Control\\Safeboot\\Option");
1908  InitializeObjectAttributes(&ObjectAttributes,
1909  &DestinationString,
1910  OBJ_CASE_INSENSITIVE,
1911  NULL,
1912  NULL);
1913  Status = NtOpenKey(&KeyHandle2, KEY_ALL_ACCESS, &ObjectAttributes);
1914  if (NT_SUCCESS(Status))
1915  {
1916  /* This was indeed a safeboot, so check what kind of safeboot it was */
1917  RtlInitUnicodeString(&ValueName, L"OptionValue");
1918  Status = NtQueryValueKey(KeyHandle2,
1919  &ValueName,
1920  KeyValuePartialInformation,
1921  PartialInfo,
1922  sizeof(ValueBuffer),
1923  &ResultLength);
1924  NtClose(KeyHandle2);
1925  if (NT_SUCCESS(Status))
1926  {
1927  /* Convert from the integer value to the correct specifier */
1928  RtlInitUnicodeString(&ValueName, L"SAFEBOOT_OPTION");
1929  switch (*(PULONG)PartialInfo->Data)
1930  {
1931  case 1:
1932  wcscpy(ValueBuffer, L"MINIMAL");
1933  break;
1934  case 2:
1935  wcscpy(ValueBuffer, L"NETWORK");
1936  break;
1937  case 3:
1938  wcscpy(ValueBuffer, L"DSREPAIR");
1939  break;
1940  }
1941 
1942  /* And write it in the environment! */
1943  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1944  Status = NtSetValueKey(KeyHandle,
1945  &ValueName,
1946  0,
1947  REG_SZ,
1948  ValueBuffer,
1949  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1950  if (!NT_SUCCESS(Status))
1951  {
1952  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1953  &ValueName, Status);
1954  NtClose(KeyHandle);
1955  return Status;
1956  }
1957  }
1958  else
1959  {
1960  DPRINT1("SMSS: Failed querying safeboot option = %x\n", Status);
1961  }
1962  }
1963 
1964  /* We are all done now */
1965  NtClose(KeyHandle);
1966  return STATUS_SUCCESS;
1967 }
1968 
1969 NTSTATUS
1970 NTAPI
1971 SmpProcessFileRenames(VOID)
1972 {
1973  BOOLEAN OldState, HavePrivilege = FALSE;
1974  NTSTATUS Status;
1975  HANDLE FileHandle, OtherFileHandle;
1976  FILE_INFORMATION_CLASS InformationClass;
1977  OBJECT_ATTRIBUTES ObjectAttributes;
1978  IO_STATUS_BLOCK IoStatusBlock;
1979  UNICODE_STRING FileString;
1980  FILE_BASIC_INFORMATION BasicInfo;
1981  FILE_DISPOSITION_INFORMATION DeleteInformation;
1982  PFILE_RENAME_INFORMATION Buffer;
1983  PLIST_ENTRY Head, NextEntry;
1984  PSMP_REGISTRY_VALUE RegEntry;
1985  PWCHAR FileName;
1986  ULONG ValueLength, Length;
1987 
1988  /* Give us access to restore any files we want */
1989  Status = RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, TRUE, FALSE, &OldState);
1990  if (NT_SUCCESS(Status)) HavePrivilege = TRUE;
1991 
1992  // FIXME: Handle SFC-protected file renames!
1993  if (SmpAllowProtectedRenames)
1994  DPRINT1("SMSS: FIXME: Handle SFC-protected file renames!\n");
1995 
1996  /* Process pending files to rename */
1997  Head = &SmpFileRenameList;
1998  while (!IsListEmpty(Head))
1999  {
2000  /* Get this entry */
2001  NextEntry = RemoveHeadList(Head);
2002  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
2003  DPRINT("Processing PFRO: '%wZ' / '%wZ'\n", &RegEntry->Value, &RegEntry->Name);
2004 
2005  /* Skip past the '@' marker */
2006  if (!(RegEntry->Value.Length) && (*RegEntry->Name.Buffer == L'@'))
2007  {
2008  RegEntry->Name.Length -= sizeof(UNICODE_NULL);
2009  RegEntry->Name.Buffer++;
2010  }
2011 
2012  /* Open the file for delete access */
2013  InitializeObjectAttributes(&ObjectAttributes,
2014  &RegEntry->Name,
2015  OBJ_CASE_INSENSITIVE,
2016  NULL,
2017  NULL);
2018  Status = NtOpenFile(&OtherFileHandle,
2019  DELETE | SYNCHRONIZE,
2020  &ObjectAttributes,
2021  &IoStatusBlock,
2022  FILE_SHARE_READ | FILE_SHARE_WRITE,
2023  FILE_SYNCHRONOUS_IO_NONALERT);
2024  if (!NT_SUCCESS(Status)) goto Quickie;
2025 
2026  /* Check if it's a rename or just a delete */
2027  ValueLength = RegEntry->Value.Length;
2028  if (!ValueLength)
2029  {
2030  /* Just a delete, set up the class, length and buffer */
2031  InformationClass = FileDispositionInformation;
2032  Length = sizeof(DeleteInformation);
2033  Buffer = (PFILE_RENAME_INFORMATION)&DeleteInformation;
2034 
2035  /* Set the delete disposition */
2036  DeleteInformation.DeleteFile = TRUE;
2037  }
2038  else
2039  {
2040  /* This is a rename, setup the class and length */
2041  InformationClass = FileRenameInformation;
2042  Length = ValueLength + sizeof(FILE_RENAME_INFORMATION);
2043 
2044  /* Skip past the special markers */
2045  FileName = RegEntry->Value.Buffer;
2046  if ((*FileName == L'!') || (*FileName == L'@'))
2047  {
2048  FileName++;
2049  Length -= sizeof(UNICODE_NULL);
2050  }
2051 
2052  /* Now allocate the buffer for the rename information */
2053  Buffer = RtlAllocateHeap(RtlGetProcessHeap(), SmBaseTag, Length);
2054  if (Buffer)
2055  {
2056  /* Setup the buffer to point to the filename, and copy it */
2057  Buffer->RootDirectory = NULL;
2058  Buffer->FileNameLength = Length - sizeof(FILE_RENAME_INFORMATION);
2059  Buffer->ReplaceIfExists = FileName != RegEntry->Value.Buffer;
2060  RtlCopyMemory(Buffer->FileName, FileName, Buffer->FileNameLength);
2061  }
2062  else
2063  {
2064  /* Fail */
2065  Status = STATUS_NO_MEMORY;
2066  }
2067  }
2068 
2069  /* Check if everything is okay till here */
2070  if (NT_SUCCESS(Status))
2071  {
2072  /* Now either rename or delete the file as requested */
2073  Status = NtSetInformationFile(OtherFileHandle,
2074  &IoStatusBlock,
2075  Buffer,
2076  Length,
2077  InformationClass);
2078 
2079  /* Check if we seem to have failed because the file was readonly */
2080  if (!NT_SUCCESS(Status) &&
2081  (InformationClass == FileRenameInformation) &&
2082  (Status == STATUS_OBJECT_NAME_COLLISION) &&
2083  Buffer->ReplaceIfExists)
2084  {
2085  /* Open the file for write attribute access this time... */
2086  DPRINT("\nSMSS: '%wZ' => '%wZ' failed - Status == %x, Possible readonly target\n",
2087  &RegEntry->Name,
2088  &RegEntry->Value,
2089  STATUS_OBJECT_NAME_COLLISION);
2090  FileString.Length = RegEntry->Value.Length - sizeof(WCHAR);
2091  FileString.MaximumLength = RegEntry->Value.MaximumLength - sizeof(WCHAR);
2092  FileString.Buffer = FileName;
2093  InitializeObjectAttributes(&ObjectAttributes,
2094  &FileString,
2095  OBJ_CASE_INSENSITIVE,
2096  NULL,
2097  NULL);
2098  Status = NtOpenFile(&FileHandle,
2099  FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
2100  &ObjectAttributes,
2101  &IoStatusBlock,
2102  FILE_SHARE_READ | FILE_SHARE_WRITE,
2103  FILE_SYNCHRONOUS_IO_NONALERT);
2104  if (!NT_SUCCESS(Status))
2105  {
2106  /* That didn't work, so bail out */
2107  DPRINT1(" SMSS: Open Existing file Failed - Status == %x\n",
2108  Status);
2109  }
2110  else
2111  {
2112  /* Now remove the read-only attribute from the file */
2113  DPRINT(" SMSS: Open Existing Success\n");
2114  RtlZeroMemory(&BasicInfo, sizeof(BasicInfo));
2115  BasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
2116  Status = NtSetInformationFile(FileHandle,
2117  &IoStatusBlock,
2118  &BasicInfo,
2119  sizeof(BasicInfo),
2120  FileBasicInformation);
2121  NtClose(FileHandle);
2122  if (!NT_SUCCESS(Status))
2123  {
2124  /* That didn't work, bail out */
2125  DPRINT1(" SMSS: Set To NORMAL Failed - Status == %x\n",
2126  Status);
2127  }
2128  else
2129  {
2130  /* Now that the file is no longer read-only, delete! */
2131  DPRINT(" SMSS: Set To NORMAL OK\n");
2132  Status = NtSetInformationFile(OtherFileHandle,
2133  &IoStatusBlock,
2134  Buffer,
2135  Length,
2136  FileRenameInformation);
2137  if (!NT_SUCCESS(Status))
2138  {
2139  /* That failed too! */
2140  DPRINT1(" SMSS: Re-Rename Failed - Status == %x\n",
2141  Status);
2142  }
2143  else
2144  {
2145  /* Everything ok */
2146  DPRINT(" SMSS: Re-Rename Worked OK\n");
2147  }
2148  }
2149  }
2150  }
2151  }
2152 
2153  /* Close the file handle and check the operation result */
2154  NtClose(OtherFileHandle);
2155 Quickie:
2156  if (!NT_SUCCESS(Status))
2157  {
2158  /* We totally failed */
2159  DPRINT1("SMSS: '%wZ' => '%wZ' failed - Status == %x\n",
2160  &RegEntry->Name, &RegEntry->Value, Status);
2161  }
2162  else if (RegEntry->Value.Length)
2163  {
2164  /* We succeed with a rename */
2165  DPRINT("SMSS: '%wZ' (renamed to) '%wZ'\n", &RegEntry->Name, &RegEntry->Value);
2166  }
2167  else
2168  {
2169  /* We succeeded with a delete */
2170  DPRINT("SMSS: '%wZ' (deleted)\n", &RegEntry->Name);
2171  }
2172 
2173  /* Now free this entry and keep going */
2174  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
2175  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
2176  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
2177  }
2178 
2179  /* Put back the restore privilege if we had requested it, and return */
2180  if (HavePrivilege) RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, FALSE, FALSE, &OldState);
2181  return Status;
2182 }
2183 
2184 NTSTATUS
2185 NTAPI
2186 SmpLoadDataFromRegistry(OUT PUNICODE_STRING InitialCommand)
2187 {
2188  NTSTATUS Status;
2189  PLIST_ENTRY Head, NextEntry;
2190  PSMP_REGISTRY_VALUE RegEntry;
2191  PVOID OriginalEnvironment;
2192  ULONG MuSessionId = 0;
2193  OBJECT_ATTRIBUTES ObjectAttributes;
2194  HANDLE KeyHandle;
2195  UNICODE_STRING DestinationString;
2196 
2197  /* Initialize the keywords we'll be looking for */
2198  RtlInitUnicodeString(&SmpDebugKeyword, L"debug");
2199  RtlInitUnicodeString(&SmpASyncKeyword, L"async");
2200  RtlInitUnicodeString(&SmpAutoChkKeyword, L"autocheck");
2201 
2202  /* Initialize all the registry-associated list heads */
2203  InitializeListHead(&SmpBootExecuteList);
2204  InitializeListHead(&SmpSetupExecuteList);
2205  InitializeListHead(&SmpPagingFileList);
2206  InitializeListHead(&SmpDosDevicesList);
2207  InitializeListHead(&SmpFileRenameList);
2208  InitializeListHead(&SmpKnownDllsList);
2209  InitializeListHead(&SmpExcludeKnownDllsList);
2210  InitializeListHead(&SmpSubSystemList);
2211  InitializeListHead(&SmpSubSystemsToLoad);
2212  InitializeListHead(&SmpSubSystemsToDefer);
2213  InitializeListHead(&SmpExecuteList);
2214  SmpPagingFileInitialize();
2215 
2216  /* Initialize the SMSS environment */
2217  Status = RtlCreateEnvironment(TRUE, &SmpDefaultEnvironment);
2218  if (!NT_SUCCESS(Status))
2219  {
2220  /* Fail if there was a problem */
2221  DPRINT1("SMSS: Unable to allocate default environment - Status == %X\n",
2222  Status);
2223  SMSS_CHECKPOINT(RtlCreateEnvironment, Status);
2224  return Status;
2225  }
2226 
2227  /* Check if we were booted in PE mode (LiveCD should have this) */
2228  RtlInitUnicodeString(&DestinationString,
2229  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
2230  L"Control\\MiniNT");
2231  InitializeObjectAttributes(&ObjectAttributes,
2232  &DestinationString,
2233  OBJ_CASE_INSENSITIVE,
2234  NULL,
2235  NULL);
2236  Status = NtOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
2237  if (NT_SUCCESS(Status))
2238  {
2239  /* If the key exists, we were */
2240  NtClose(KeyHandle);
2241  MiniNTBoot = TRUE;
2242  }
2243 
2244  /* Print out if this is the case */
2245  if (MiniNTBoot) DPRINT("SMSS: !!! MiniNT Boot !!!\n");
2246 
2247  /* Open the environment key to see if we are booted in safe mode */
2248  RtlInitUnicodeString(&DestinationString,
2249  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
2250  L"Control\\Session Manager\\Environment");
2251  InitializeObjectAttributes(&ObjectAttributes,
2252  &DestinationString,
2253  OBJ_CASE_INSENSITIVE,
2254  NULL,
2255  NULL);
2256  Status = NtOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
2257  if (NT_SUCCESS(Status))
2258  {
2259  /* Delete the value if we found it */
2260  RtlInitUnicodeString(&DestinationString, L"SAFEBOOT_OPTION");
2261  NtDeleteValueKey(KeyHandle, &DestinationString);
2262  NtClose(KeyHandle);
2263  }
2264 
2265  /* Switch environments, then query the registry for all needed settings */
2266  OriginalEnvironment = NtCurrentPeb()->ProcessParameters->Environment;
2267  NtCurrentPeb()->ProcessParameters->Environment = SmpDefaultEnvironment;
2268  Status = RtlQueryRegistryValues(RTL_REGISTRY_CONTROL,
2269  L"Session Manager",
2270  SmpRegistryConfigurationTable,
2271  NULL,
2272  NULL);
2273  SmpDefaultEnvironment = NtCurrentPeb()->ProcessParameters->Environment;
2274  NtCurrentPeb()->ProcessParameters->Environment = OriginalEnvironment;
2275  if (!NT_SUCCESS(Status))
2276  {
2277  /* We failed somewhere in registry initialization, which is bad... */
2278  DPRINT1("SMSS: RtlQueryRegistryValues failed - Status == %lx\n", Status);
2279  SMSS_CHECKPOINT(RtlQueryRegistryValues, Status);
2280  return Status;
2281  }
2282 
2283  /* Now we can start acting on the registry settings. First to DOS devices */
2284  Status = SmpInitializeDosDevices();
2285  if (!NT_SUCCESS(Status))
2286  {
2287  /* Failed */
2288  DPRINT1("SMSS: Unable to initialize DosDevices configuration - Status == %lx\n",
2289  Status);
2290  SMSS_CHECKPOINT(SmpInitializeDosDevices, Status);
2291  return Status;
2292  }
2293 
2294  /* Next create the session directory... */
2295  RtlInitUnicodeString(&DestinationString, L"\\Sessions");
2296  InitializeObjectAttributes(&ObjectAttributes,
2297  &DestinationString,
2298  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
2299  NULL,
2300  SmpPrimarySecurityDescriptor);
2301  Status = NtCreateDirectoryObject(&SmpSessionsObjectDirectory,
2302  DIRECTORY_ALL_ACCESS,
2303  &ObjectAttributes);
2304  if (!NT_SUCCESS(Status))
2305  {
2306  /* Fail */
2307  DPRINT1("SMSS: Unable to create %wZ object directory - Status == %lx\n",
2308  &DestinationString, Status);
2309  SMSS_CHECKPOINT(NtCreateDirectoryObject, Status);
2310  return Status;
2311  }
2312 
2313  /* Next loop all the boot execute binaries */
2314  Head = &SmpBootExecuteList;
2315  while (!IsListEmpty(Head))
2316  {
2317  /* Remove each one from the list */
2318  NextEntry = RemoveHeadList(Head);
2319 
2320  /* Execute it */
2321  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
2322  SmpExecuteCommand(&RegEntry->Name, 0, NULL, 0);
2323 
2324  /* And free it */
2325  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
2326  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
2327  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
2328  }
2329 
2330  /* Now do any pending file rename operations... */
2331  if (!MiniNTBoot) SmpProcessFileRenames();
2332 
2333  /* And initialize known DLLs... */
2334  Status = SmpInitializeKnownDlls();
2335  if (!NT_SUCCESS(Status))
2336  {
2337  /* Fail if that didn't work */
2338  DPRINT1("SMSS: Unable to initialize KnownDll configuration - Status == %lx\n",
2339  Status);
2340  SMSS_CHECKPOINT(SmpInitializeKnownDlls, Status);
2341  return Status;
2342  }
2343 
2344  /* Create the needed page files */
2345  if (!MiniNTBoot)
2346  {
2347  /* Loop every page file */
2348  Head = &SmpPagingFileList;
2349  while (!IsListEmpty(Head))
2350  {
2351  /* Remove each one from the list */
2352  NextEntry = RemoveHeadList(Head);
2353 
2354  /* Create the descriptor for it */
2355  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
2356  SmpCreatePagingFileDescriptor(&RegEntry->Name);
2357 
2358  /* And free it */
2359  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
2360  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
2361  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
2362  }
2363 
2364  /* Now create all the paging files for the descriptors that we have */
2365  SmpCreatePagingFiles();
2366  }
2367 
2368  /* Tell Cm it's now safe to fully enable write access to the registry */
2369  NtInitializeRegistry(CM_BOOT_FLAG_SMSS);
2370 
2371  /* Create all the system-based environment variables for later inheriting */
2372  Status = SmpCreateDynamicEnvironmentVariables();
2373  if (!NT_SUCCESS(Status))
2374  {
2375  /* Handle failure */
2376  SMSS_CHECKPOINT(SmpCreateDynamicEnvironmentVariables, Status);
2377  return Status;
2378  }
2379 
2380  /* And finally load all the subsystems for our first session! */
2381  Status = SmpLoadSubSystemsForMuSession(&MuSessionId,
2382  &SmpWindowsSubSysProcessId,
2383  InitialCommand);
2384  ASSERT(MuSessionId == 0);
2385  if (!NT_SUCCESS(Status)) SMSS_CHECKPOINT(SmpLoadSubSystemsForMuSession, Status);
2386  return Status;
2387 }
2388 
2389 NTSTATUS
2390 NTAPI
2391 SmpInit(IN PUNICODE_STRING InitialCommand,
2392  OUT PHANDLE ProcessHandle)
2393 {
2394  NTSTATUS Status, Status2;
2395  OBJECT_ATTRIBUTES ObjectAttributes;
2396  UNICODE_STRING PortName, EventName;
2397  HANDLE EventHandle, PortHandle;
2398  ULONG HardErrorMode;
2399 
2400  /* Create the SMSS Heap */
2401  SmBaseTag = RtlCreateTagHeap(RtlGetProcessHeap(),
2402  0,
2403  L"SMSS!",
2404  L"INIT");
2405  SmpHeap = RtlGetProcessHeap();
2406 
2407  /* Enable hard errors */
2408  HardErrorMode = TRUE;
2409  NtSetInformationProcess(NtCurrentProcess(),
2410  ProcessDefaultHardErrorMode,
2411  &HardErrorMode,
2412  sizeof(HardErrorMode));
2413 
2414  /* Initialize the subsystem list and the session list, plus their locks */
2415  RtlInitializeCriticalSection(&SmpKnownSubSysLock);
2416  InitializeListHead(&SmpKnownSubSysHead);
2417  RtlInitializeCriticalSection(&SmpSessionListLock);
2418  InitializeListHead(&SmpSessionListHead);
2419 
2420  /* Initialize the process list */
2421  InitializeListHead(&NativeProcessList);
2422 
2423  /* Initialize session parameters */
2424  SmpNextSessionId = 1;
2425  SmpNextSessionIdScanMode = 0;
2426  SmpDbgSsLoaded = FALSE;
2427 
2428  /* Create the initial security descriptors */
2429  Status = SmpCreateSecurityDescriptors(TRUE);
2430  if (!NT_SUCCESS(Status))
2431  {
2432  /* Fail */
2433  SMSS_CHECKPOINT(SmpCreateSecurityDescriptors, Status);
2434  return Status;
2435  }
2436 
2437  /* Initialize subsystem names */
2438  RtlInitUnicodeString(&SmpSubsystemName, L"NT-Session Manager");
2439  RtlInitUnicodeString(&PosixName, L"POSIX");
2440  RtlInitUnicodeString(&Os2Name, L"OS2");
2441 
2442  /* Create the SM API Port */
2443  RtlInitUnicodeString(&PortName, L"\\SmApiPort");
2444  InitializeObjectAttributes(&ObjectAttributes, &PortName, 0, NULL, NULL);
2445  Status = NtCreatePort(&PortHandle,
2446  &ObjectAttributes,
2447  sizeof(SB_CONNECTION_INFO),
2448  sizeof(SM_API_MSG),
2449  sizeof(SB_API_MSG) * 32);
2450  ASSERT(NT_SUCCESS(Status));
2451  SmpDebugPort = PortHandle;
2452 
2453  /* Create two SM API threads */
2454  Status = RtlCreateUserThread(NtCurrentProcess(),
2455  NULL,
2456  FALSE,
2457  0,
2458  0,
2459  0,
2460  SmpApiLoop,
2461  PortHandle,
2462  NULL,
2463  NULL);
2464  ASSERT(NT_SUCCESS(Status));
2465  Status = RtlCreateUserThread(NtCurrentProcess(),
2466  NULL,
2467  FALSE,
2468  0,
2469  0,
2470  0,
2471  SmpApiLoop,
2472  PortHandle,
2473  NULL,
2474  NULL);
2475  ASSERT(NT_SUCCESS(Status));
2476 
2477  /* Create the write event that autochk can set after running */
2478  RtlInitUnicodeString(&EventName, L"\\Device\\VolumesSafeForWriteAccess");
2479  InitializeObjectAttributes(&ObjectAttributes,
2480  &EventName,
2481  OBJ_PERMANENT,
2482  NULL,
2483  NULL);
2484  Status2 = NtCreateEvent(&EventHandle,
2485  EVENT_ALL_ACCESS,
2486  &ObjectAttributes,
2487  0,
2488  0);
2489  if (!NT_SUCCESS(Status2))
2490  {
2491  /* Should never really fail */
2492  DPRINT1("SMSS: Unable to create %wZ event - Status == %lx\n",
2493  &EventName, Status2);
2494  ASSERT(NT_SUCCESS(Status2));
2495  }
2496 
2497  /* Now initialize everything else based on the registry parameters */
2498  Status = SmpLoadDataFromRegistry(InitialCommand);
2499  if (NT_SUCCESS(Status))
2500  {
2501  /* Autochk should've run now. Set the event and save the CSRSS handle */
2502  *ProcessHandle = SmpWindowsSubSysProcess;
2503  NtSetEvent(EventHandle, 0);
2504  NtClose(EventHandle);
2505  }
2506 
2507  /* All done */
2508  return Status;
2509 }
SmpDosDevicesObjectDirectory
HANDLE SmpDosDevicesObjectDirectory
Definition: sminit.c:26
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#define CM_BOOT_FLAG_SMSS
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_SECURITY_DESCRIPTOR
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Definition: winlogon.h:61
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IN CINT OUT PVOID IN ULONG OUT PULONG ResultLength
Definition: conport.c:47
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#define STATUS_OBJECT_NAME_COLLISION
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signed char * PCHAR
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Definition: obtypes.h:276
_SM_API_MSG
Definition: smmsg.h:90
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IN PUNICODE_STRING IN POBJECT_ATTRIBUTES ObjectAttributes
Definition: conport.c:35
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Definition: sminit.c:19
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_Must_inspect_result_ typedef _In_ PVOID Unused
Definition: iotypes.h:1128
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PVOID SmpInitLastCall
Definition: sminit.c:33
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#define IN
Definition: typedefs.h:38
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#define GENERIC_ALL
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Definition: types.h:120
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NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
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NTSYSAPI NTSTATUS NTAPI NtQuerySystemInformation(IN SYSTEM_INFORMATION_CLASS SystemInfoClass, OUT PVOID SystemInfoBuffer, IN ULONG SystemInfoBufferSize, OUT PULONG BytesReturned OPTIONAL)
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SECURITY_DESCRIPTOR SmpPrimarySDBody
Definition: sminit.c:35
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*BytesInUnicodeString PWCH UnicodeString
Definition: rtlfuncs.h:1980
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NTSTATUS NTAPI NtCreateSection(OUT PHANDLE SectionHandle, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL, IN PLARGE_INTEGER MaximumSize OPTIONAL, IN ULONG SectionPageProtection OPTIONAL, IN ULONG AllocationAttributes, IN HANDLE FileHandle OPTIONAL)
Definition: section.c:3372
_SID
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SMSS_CHECKPOINT
#define SMSS_CHECKPOINT(x, y)
Definition: sminit.c:43
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_Must_inspect_result_ _Out_ PNDIS_STATUS _In_ NDIS_HANDLE _In_ ULONG _Out_ PNDIS_STRING _Out_ PNDIS_HANDLE KeyHandle
Definition: ndis.h:4693
_ACCESS_ALLOWED_ACE
Definition: ms-dtyp.idl:215
PosixName
UNICODE_STRING PosixName
Definition: sminit.c:18
_UNICODE_STRING::MaximumLength
USHORT MaximumLength
Definition: env_spec_w32.h:370
SmpSaveRegistryValue
NTSTATUS NTAPI SmpSaveRegistryValue(IN PLIST_ENTRY ListAddress, IN PWSTR Name, IN PWCHAR Value, IN BOOLEAN Flags)
Definition: sminit.c:54
SmpPrimarySecurityDescriptor
PISECURITY_DESCRIPTOR SmpPrimarySecurityDescriptor
Definition: sminit.c:37
SmpDefaultLibPath
UNICODE_STRING SmpDefaultLibPath
Definition: sminit.c:28
ASSERT
ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel)?(CompletionRoutine!=NULL):TRUE)
SmpConfigureProtectionMode
NTSTATUS NTAPI SmpConfigureProtectionMode(IN PWSTR ValueName, IN ULONG ValueType, IN PVOID ValueData, IN ULONG ValueLength, IN PVOID Context, IN PVOID EntryContext)
Definition: sminit.c:219
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static PSID AdminSid
Definition: msgina.c:39
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#define KEY_READ
Definition: nt_native.h:1023
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__wchar_t WCHAR
Definition: xmlstorage.h:180
_ACL
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FILE_DIRECTORY_FILE
#define FILE_DIRECTORY_FILE
Definition: constants.h:491
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PISECURITY_DESCRIPTOR SmpApiPortSecurityDescriptor
Definition: sminit.c:38
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NTSTATUS NTAPI NtOpenDirectoryObject(OUT PHANDLE DirectoryHandle, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes)
Definition: obdir.c:359
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LIST_ENTRY SmpExcludeKnownDllsList
Definition: sminit.c:21
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char CHAR
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#define RTL_QUERY_REGISTRY_TOPKEY
Definition: nt_native.h:129
ValueType
_In_ PCWSTR _In_z_ PCWSTR _In_ ULONG ValueType
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Definition: sminit.c:429
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_Out_ _Inout_ POEM_STRING DestinationString
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_wcsupr
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_ACE_HEADER
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struct _LIST_ENTRY * Flink
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Definition: file.c:3952
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Definition: ProcessorBind.h:185
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Definition: sminit.c:29
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Definition: precomp.h:26
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Definition: sminit.c:32
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#define OBJ_CASE_INSENSITIVE
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PROCESSOR_ARCHITECTURE_AMD64
#define PROCESSOR_ARCHITECTURE_AMD64
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_In_ PUNICODE_STRING Name
Definition: mrx.h:218
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struct _FILE_RENAME_INFORMATION * PFILE_RENAME_INFORMATION
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#define FILE_ATTRIBUTE_NORMAL
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#define FILE_SHARE_DELETE
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PISECURITY_DESCRIPTOR SmpKnownDllsSecurityDescriptor
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_Out_ _Inout_ POEM_STRING _In_ PCUNICODE_STRING SourceString
Definition: rtlfuncs.h:1869
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L
static const WCHAR L[]
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ULONG RtlCompareUnicodeString(PUNICODE_STRING s1, PUNICODE_STRING s2, BOOLEAN UpCase)
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Length
VOID UINTN Length
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_In_ GUID _In_ PVOID _In_ ULONG ValueLength
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PHANDLE
PVOID *typedef PHANDLE
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NTSTATUS NTAPI SmpCreatePagingFiles(VOID)
Definition: pagefile.c:998
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PSID WorldSid
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#define FILE_NON_DIRECTORY_FILE
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#define GENERIC_READ
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Definition: typedefs.h:117
RtlCreateUserThread
NTSYSAPI NTSTATUS NTAPI RtlCreateUserThread(_In_ PVOID ThreadContext, _Out_ HANDLE *OutThreadHandle, _Reserved_ PVOID Reserved1, _Reserved_ PVOID Reserved2, _Reserved_ PVOID Reserved3, _Reserved_ PVOID Reserved4, _Reserved_ PVOID Reserved5, _Reserved_ PVOID Reserved6, _Reserved_ PVOID Reserved7, _Reserved_ PVOID Reserved8)
SYNCHRONIZE
#define SYNCHRONIZE
Definition: nt_native.h:61
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Definition: smsessn.c:27
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NTSTATUS NTAPI SmpLoadSubSystemsForMuSession(IN PULONG MuSessionId, OUT PHANDLE ProcessId, IN PUNICODE_STRING InitialCommand)
Definition: smsubsys.c:513
Value
UINTN UINT8 Value
Definition: acefiex.h:751
SmpExecuteCommand
NTSTATUS NTAPI SmpExecuteCommand(IN PUNICODE_STRING CommandLine, IN ULONG MuSessionId, OUT PHANDLE ProcessId, IN ULONG Flags)
Definition: smss.c:221
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NTSTATUS NTAPI SmpInitializeKnownDllsInternal(IN PUNICODE_STRING Directory, IN PUNICODE_STRING Path)
Definition: sminit.c:1389
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Definition: sminit.c:22
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RTL_CRITICAL_SECTION SmpSessionListLock
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struct _OBJECT_DIRECTORY_INFORMATION OBJECT_DIRECTORY_INFORMATION
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NTSYSAPI NTSTATUS NTAPI RtlCreateEnvironment(_In_ BOOLEAN Inherit, _Out_ PWSTR *Environment)
PROCESSOR_ARCHITECTURE_INTEL
#define PROCESSOR_ARCHITECTURE_INTEL
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_UNICODE_STRING
Definition: env_spec_w32.h:368
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FileName
struct _FileName FileName
Definition: fatprocs.h:884
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UNICODE_STRING SmpSubsystemName
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DWORD *typedef HANDLE
Definition: winlogon.h:61
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Definition: sminit.c:40
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Definition: RtlNtPathNameToDosPathName.c:10
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RTL_QUERY_REGISTRY_TABLE SmpRegistryConfigurationTable[]
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HANDLE SmpSessionsObjectDirectory
Definition: smsessn.c:31
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_CRTIMP wchar_t *__cdecl wcsncpy(wchar_t *_Dest, const wchar_t *_Source, size_t _Count)
NtSetInformationProcess
NTSTATUS NTAPI NtSetInformationProcess(IN HANDLE ProcessHandle, IN PROCESSINFOCLASS ProcessInformationClass, IN PVOID ProcessInformation, IN ULONG ProcessInformationLength)
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Os2Name
UNICODE_STRING Os2Name
Definition: sminit.c:18
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USHORT
unsigned short USHORT
Definition: pedump.c:61
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NTSTATUS NTAPI SmpInitializeKnownDlls(VOID)
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KEY_ALL_ACCESS
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KEY_VALUE_PARTIAL_INFORMATION
struct _KEY_VALUE_PARTIAL_INFORMATION KEY_VALUE_PARTIAL_INFORMATION
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static const char const char * DllPath
Definition: image.c:34
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Definition: smsessn.c:29
InitializeListHead
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DIRECTORY_ALL_ACCESS
#define DIRECTORY_ALL_ACCESS
Definition: nt_native.h:1259
STATUS_NO_MEMORY
#define STATUS_NO_MEMORY
Definition: ntstatus.h:246
SmpConfigureSubSystems
NTSTATUS NTAPI SmpConfigureSubSystems(IN PWSTR ValueName, IN ULONG ValueType, IN PVOID ValueData, IN ULONG ValueLength, IN PVOID Context, IN PVOID EntryContext)
Definition: sminit.c:524
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#define SystemBasicInformation
Definition: xboxvmp.h:35
STATUS_OBJECT_NAME_INVALID
#define STATUS_OBJECT_NAME_INVALID
Definition: udferr_usr.h:148
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static OUT PIO_STATUS_BLOCK IoStatusBlock
Definition: pipe.c:75
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VOID NTAPI SmpProcessModuleImports(IN PVOID Unused, IN PCHAR ImportName)
Definition: sminit.c:1349
SmpConfigureObjectDirectories
NTSTATUS NTAPI SmpConfigureObjectDirectories(IN PWSTR ValueName, IN ULONG ValueType, IN PVOID ValueData, IN ULONG ValueLength, IN PVOID Context, IN PVOID EntryContext)
Definition: sminit.c:271
PULONG
unsigned int * PULONG
Definition: retypes.h:1
SECURITY_RESTRICTED_CODE_RID
#define SECURITY_RESTRICTED_CODE_RID
Definition: setypes.h:541
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LIST_ENTRY SmpSubSystemsToDefer
Definition: sminit.c:22
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Definition: ntapi.c:859
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NTSYSAPI BOOLEAN NTAPI RtlPrefixUnicodeString(IN PUNICODE_STRING String1, IN PUNICODE_STRING String2, IN BOOLEAN CaseInSensitive)
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Definition: nt_native.h:1165
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Definition: precomp.h:8
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Definition: extypes.h:754
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Definition: sminit.c:41
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NTSTATUS NTAPI SmpTerminate(IN PULONG_PTR Parameters, IN ULONG ParameterMask, IN ULONG ParameterCount)
Definition: smss.c:391
_FILE_BASIC_INFORMATION
Definition: nt_native.h:938
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#define FILE_SYNCHRONOUS_IO_NONALERT
Definition: from_kernel.h:31
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NTSYSAPI NTSTATUS NTAPI NtOpenKey(OUT PHANDLE KeyHandle, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes)
Definition: ntapi.c:336
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HANDLE RootDirectory
Definition: iotypes.h:5516
SmpConfigureDosDevices
NTSTATUS NTAPI SmpConfigureDosDevices(IN PWSTR ValueName, IN ULONG ValueType, IN PVOID ValueData, IN ULONG ValueLength, IN PVOID Context, IN PVOID EntryContext)
Definition: sminit.c:416
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SECURITY_DESCRIPTOR SmpLiberalSDBody
Definition: sminit.c:35
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ULONG SmpProtectionMode
Definition: sminit.c:40
SmpCreateSecurityDescriptors
NTSTATUS NTAPI SmpCreateSecurityDescriptors(IN BOOLEAN InitialCall)
Definition: sminit.c:941
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ULONG SmpNextSessionId
Definition: smsessn.c:28
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Definition: ntddk_ex.h:12
OUT
#define OUT
Definition: typedefs.h:39
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PSMP_REGISTRY_VALUE NTAPI SmpFindRegistryValue(IN PLIST_ENTRY List, IN PWSTR ValueName)
Definition: sminit.c:188
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Definition: sminit.c:36
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struct tagContext Context
Definition: acpixf.h:1027
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unsigned int ULONG
Definition: retypes.h:1
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base for all directory entries
Definition: entries.h:138
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NTSYSAPI VOID NTAPI RtlInitUnicodeString(PUNICODE_STRING DestinationString, PCWSTR SourceString)
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#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
ULONG_PTR
#define ULONG_PTR
Definition: config.h:101
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#define SEC_IMAGE
Definition: mmtypes.h:96
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Definition: reg.c:106
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LIST_ENTRY SmpSubSystemList
Definition: sminit.c:21
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#define INHERIT_ONLY_ACE
Definition: setypes.h:717
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NTSTATUS NTAPI SmpInitializeDosDevices(VOID)
Definition: sminit.c:1245
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PWCHAR SmpDefaultLibPathBuffer
Definition: sminit.c:27
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Definition: from_kernel.h:74
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#define REG_NONE
Definition: nt_native.h:1492
_SB_CONNECTION_INFO
Definition: smmsg.h:191
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_In_ FILTER_INFORMATION_CLASS InformationClass
Definition: fltkernel.h:1714
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UCHAR Data[1]
Definition: nt_native.h:1169
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_In_ HANDLE ProcessHandle
Definition: mmfuncs.h:403
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#define GENERIC_EXECUTE
Definition: nt_native.h:91
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return STATUS_SUCCESS
Definition: btrfs.c:2710
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UNICODE_STRING Value
Definition: smss.h:54
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UNICODE_STRING SmpAutoChkKeyword
Definition: smutil.c:34
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#define REG_DWORD
Definition: sdbapi.c:539
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#define DOMAIN_ALIAS_RID_ADMINS
Definition: setypes.h:624
_SMP_REGISTRY_VALUE
Definition: smss.h:50
_OBJECT_ATTRIBUTES::Attributes
ULONG Attributes
Definition: umtypes.h:186
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NTSYSAPI BOOLEAN NTAPI RtlEqualUnicodeString(PUNICODE_STRING String1, PUNICODE_STRING String2, BOOLEAN CaseInSensitive)
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NTSTATUS NTAPI SmpCreatePagingFileDescriptor(IN PUNICODE_STRING PageFileToken)
Definition: pagefile.c:84
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size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
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#define OBJECT_INHERIT_ACE
Definition: setypes.h:714
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LIST_ENTRY SmpKnownDllsList
Definition: sminit.c:20
Entry
base of all file and directory entries
Definition: entries.h:82
_wcsicmp
_Check_return_ _CRTIMP int __cdecl _wcsicmp(_In_z_ const wchar_t *_Str1, _In_z_ const wchar_t *_Str2)
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_In_ ULONG AclLength
Definition: rtlfuncs.h:1844
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NTSTATUS NTAPI SmpLoadDataFromRegistry(OUT PUNICODE_STRING InitialCommand)
Definition: sminit.c:2186
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NTSYSAPI NTSTATUS NTAPI NtSetInformationFile(IN HANDLE hFile, OUT PIO_STATUS_BLOCK pIoStatusBlock, IN PVOID FileInformationBuffer, IN ULONG FileInformationBufferLength, IN FILE_INFORMATION_CLASS FileInfoClass)
Definition: iofunc.c:2932
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RTL_CRITICAL_SECTION SmpKnownSubSysLock
Definition: smsubsys.c:18
SECURITY_CREATOR_SID_AUTHORITY
#define SECURITY_CREATOR_SID_AUTHORITY
Definition: setypes.h:505
_SYSTEM_BASIC_INFORMATION
Definition: ntddk_ex.h:161
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NTSYSAPI BOOLEAN NTAPI RtlDosPathNameToNtPathName_U(_In_opt_z_ PCWSTR DosPathName, _Out_ PUNICODE_STRING NtPathName, _Out_opt_ PCWSTR *NtFileNamePart, _Out_opt_ PRTL_RELATIVE_NAME_U DirectoryInfo)
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LIST_ENTRY SmpKnownSubSysHead
Definition: smsubsys.c:19
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SID_IDENTIFIER_AUTHORITY NtAuthority
Definition: database.c:19
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#define DELETE
Definition: nt_native.h:57
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IN PUNICODE_STRING PortName
Definition: conport.c:35
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#define REG_SZ
Definition: layer.c:22
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_Out_ PHANDLE EventHandle
Definition: iofuncs.h:855