ReactOS  0.4.15-dev-4570-g4f8bbd1
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  ULONG Length, Context;
793  size_t StrLength;
794  WCHAR LinkBuffer[MAX_PATH];
795  CHAR ValueBuffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 512];
796  PKEY_VALUE_PARTIAL_INFORMATION PartialInfo = (PVOID)ValueBuffer;
797  CHAR DirInfoBuffer[sizeof(OBJECT_DIRECTORY_INFORMATION) + 512];
798  POBJECT_DIRECTORY_INFORMATION DirInfo = (PVOID)DirInfoBuffer;
799 
800  /* Open the setup key */
801  RtlInitUnicodeString(&UnicodeString, L"\\Registry\\Machine\\System\\Setup");
802  InitializeObjectAttributes(&ObjectAttributes,
803  &UnicodeString,
804  OBJ_CASE_INSENSITIVE,
805  NULL,
806  NULL);
807  Status = NtOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
808  if (!NT_SUCCESS(Status))
809  {
810  DPRINT1("SMSS: Cannot open system setup key for reading: 0x%x\n", Status);
811  return;
812  }
813 
814  /* Query the system partition */
815  RtlInitUnicodeString(&UnicodeString, L"SystemPartition");
816  Status = NtQueryValueKey(KeyHandle,
817  &UnicodeString,
818  KeyValuePartialInformation,
819  PartialInfo,
820  sizeof(ValueBuffer),
821  &Length);
822  NtClose(KeyHandle);
823  if (!NT_SUCCESS(Status) ||
824  ((PartialInfo->Type != REG_SZ) && (PartialInfo->Type != REG_EXPAND_SZ)))
825  {
826  DPRINT1("SMSS: Cannot query SystemPartition value (Type %lu, Status 0x%x)\n",
827  PartialInfo->Type, Status);
828  return;
829  }
830 
831  /* Initialize the system partition string */
832  RtlInitEmptyUnicodeString(&SystemPartition,
833  (PWCHAR)PartialInfo->Data,
834  PartialInfo->DataLength);
835  RtlStringCbLengthW(SystemPartition.Buffer,
836  SystemPartition.MaximumLength,
837  &StrLength);
838  SystemPartition.Length = (USHORT)StrLength;
839 
840  /* Enumerate the directory looking for the symbolic link string */
841  RtlInitUnicodeString(&SearchString, L"SymbolicLink");
842  RtlInitEmptyUnicodeString(&LinkTarget, LinkBuffer, sizeof(LinkBuffer));
843  Status = NtQueryDirectoryObject(SmpDosDevicesObjectDirectory,
844  DirInfo,
845  sizeof(DirInfoBuffer),
846  TRUE,
847  TRUE,
848  &Context,
849  NULL);
850  if (!NT_SUCCESS(Status))
851  {
852  DPRINT1("SMSS: Cannot find drive letter for system partition\n");
853  return;
854  }
855 
856  /* Keep searching until we find it */
857  do
858  {
859  /* Is this it? */
860  if ((RtlEqualUnicodeString(&DirInfo->TypeName, &SearchString, TRUE)) &&
861  (DirInfo->Name.Length == 2 * sizeof(WCHAR)) &&
862  (DirInfo->Name.Buffer[1] == L':'))
863  {
864  /* Looks like we found it, open the link to get its target */
865  InitializeObjectAttributes(&ObjectAttributes,
866  &DirInfo->Name,
867  OBJ_CASE_INSENSITIVE,
868  SmpDosDevicesObjectDirectory,
869  NULL);
870  Status = NtOpenSymbolicLinkObject(&LinkHandle,
871  SYMBOLIC_LINK_ALL_ACCESS,
872  &ObjectAttributes);
873  if (NT_SUCCESS(Status))
874  {
875  /* Open worked, query the target now */
876  Status = NtQuerySymbolicLinkObject(LinkHandle,
877  &LinkTarget,
878  NULL);
879  NtClose(LinkHandle);
880 
881  /* Check if it matches the string we had found earlier */
882  if ((NT_SUCCESS(Status)) &&
883  ((RtlEqualUnicodeString(&SystemPartition,
884  &LinkTarget,
885  TRUE)) ||
886  ((RtlPrefixUnicodeString(&SystemPartition,
887  &LinkTarget,
888  TRUE)) &&
889  (LinkTarget.Buffer[SystemPartition.Length / sizeof(WCHAR)] == L'\\'))))
890  {
891  /* All done */
892  break;
893  }
894  }
895  }
896 
897  /* Couldn't find it, try again */
898  Status = NtQueryDirectoryObject(SmpDosDevicesObjectDirectory,
899  DirInfo,
900  sizeof(DirInfoBuffer),
901  TRUE,
902  FALSE,
903  &Context,
904  NULL);
905  } while (NT_SUCCESS(Status));
906  if (!NT_SUCCESS(Status))
907  {
908  DPRINT1("SMSS: Cannot find drive letter for system partition\n");
909  return;
910  }
911 
912  /* Open the setup key again, for full access this time */
913  RtlInitUnicodeString(&UnicodeString,
914  L"\\Registry\\Machine\\Software\\Microsoft\\Windows\\CurrentVersion\\Setup");
915  InitializeObjectAttributes(&ObjectAttributes,
916  &UnicodeString,
917  OBJ_CASE_INSENSITIVE,
918  NULL,
919  NULL);
920  Status = NtOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
921  if (!NT_SUCCESS(Status))
922  {
923  DPRINT1("SMSS: Cannot open software setup key for writing: 0x%x\n",
924  Status);
925  return;
926  }
927 
928  /* Wrap up the end of the link buffer */
929  wcsncpy(LinkBuffer, DirInfo->Name.Buffer, 2);
930  LinkBuffer[2] = L'\\';
931  LinkBuffer[3] = L'\0';
932 
933  /* Now set this as the "BootDir" */
934  RtlInitUnicodeString(&UnicodeString, L"BootDir");
935  Status = NtSetValueKey(KeyHandle,
936  &UnicodeString,
937  0,
938  REG_SZ,
939  LinkBuffer,
940  4 * sizeof(WCHAR));
941  if (!NT_SUCCESS(Status))
942  {
943  DPRINT1("SMSS: couldn't write BootDir value: 0x%x\n", Status);
944  }
945  NtClose(KeyHandle);
946 }
947 
948 NTSTATUS
949 NTAPI
950 SmpCreateSecurityDescriptors(IN BOOLEAN InitialCall)
951 {
952  NTSTATUS Status;
953  PSID WorldSid = NULL, AdminSid = NULL, SystemSid = NULL;
954  PSID RestrictedSid = NULL, OwnerSid = NULL;
955  SID_IDENTIFIER_AUTHORITY WorldAuthority = {SECURITY_WORLD_SID_AUTHORITY};
956  SID_IDENTIFIER_AUTHORITY NtAuthority = {SECURITY_NT_AUTHORITY};
957  SID_IDENTIFIER_AUTHORITY CreatorAuthority = {SECURITY_CREATOR_SID_AUTHORITY};
958  ULONG AclLength, SidLength;
959  PACL Acl;
960  PACE_HEADER Ace;
961  BOOLEAN ProtectionRequired = FALSE;
962 
963  /* Check if this is the first call */
964  if (InitialCall)
965  {
966  /* Create and set the primary descriptor */
967  SmpPrimarySecurityDescriptor = &SmpPrimarySDBody;
968  Status = RtlCreateSecurityDescriptor(SmpPrimarySecurityDescriptor,
969  SECURITY_DESCRIPTOR_REVISION);
970  ASSERT(NT_SUCCESS(Status));
971  Status = RtlSetDaclSecurityDescriptor(SmpPrimarySecurityDescriptor,
972  TRUE,
973  NULL,
974  FALSE);
975  ASSERT(NT_SUCCESS(Status));
976 
977  /* Create and set the liberal descriptor */
978  SmpLiberalSecurityDescriptor = &SmpLiberalSDBody;
979  Status = RtlCreateSecurityDescriptor(SmpLiberalSecurityDescriptor,
980  SECURITY_DESCRIPTOR_REVISION);
981  ASSERT(NT_SUCCESS(Status));
982  Status = RtlSetDaclSecurityDescriptor(SmpLiberalSecurityDescriptor,
983  TRUE,
984  NULL,
985  FALSE);
986  ASSERT(NT_SUCCESS(Status));
987 
988  /* Create and set the \KnownDlls descriptor */
989  SmpKnownDllsSecurityDescriptor = &SmpKnownDllsSDBody;
990  Status = RtlCreateSecurityDescriptor(SmpKnownDllsSecurityDescriptor,
991  SECURITY_DESCRIPTOR_REVISION);
992  ASSERT(NT_SUCCESS(Status));
993  Status = RtlSetDaclSecurityDescriptor(SmpKnownDllsSecurityDescriptor,
994  TRUE,
995  NULL,
996  FALSE);
997  ASSERT(NT_SUCCESS(Status));
998 
999  /* Create and Set the \ApiPort descriptor */
1000  SmpApiPortSecurityDescriptor = &SmpApiPortSDBody;
1001  Status = RtlCreateSecurityDescriptor(SmpApiPortSecurityDescriptor,
1002  SECURITY_DESCRIPTOR_REVISION);
1003  ASSERT(NT_SUCCESS(Status));
1004  Status = RtlSetDaclSecurityDescriptor(SmpApiPortSecurityDescriptor,
1005  TRUE,
1006  NULL,
1007  FALSE);
1008  ASSERT(NT_SUCCESS(Status));
1009  }
1010 
1011  /* Check if protection was requested in the registry (on by default) */
1012  if (SmpProtectionMode & 1) ProtectionRequired = TRUE;
1013 
1014  /* Exit if there's nothing to do */
1015  if (!(InitialCall || ProtectionRequired)) return STATUS_SUCCESS;
1016 
1017  /* Build the world SID */
1018  Status = RtlAllocateAndInitializeSid(&WorldAuthority, 1,
1019  SECURITY_WORLD_RID,
1020  0, 0, 0, 0, 0, 0, 0,
1021  &WorldSid);
1022  if (!NT_SUCCESS(Status))
1023  {
1024  WorldSid = NULL;
1025  goto Quickie;
1026  }
1027 
1028  /* Build the admin SID */
1029  Status = RtlAllocateAndInitializeSid(&NtAuthority, 2,
1030  SECURITY_BUILTIN_DOMAIN_RID,
1031  DOMAIN_ALIAS_RID_ADMINS,
1032  0, 0, 0, 0, 0, 0,
1033  &AdminSid);
1034  if (!NT_SUCCESS(Status))
1035  {
1036  AdminSid = NULL;
1037  goto Quickie;
1038  }
1039 
1040  /* Build the owner SID */
1041  Status = RtlAllocateAndInitializeSid(&CreatorAuthority, 1,
1042  SECURITY_CREATOR_OWNER_RID,
1043  0, 0, 0, 0, 0, 0, 0,
1044  &OwnerSid);
1045  if (!NT_SUCCESS(Status))
1046  {
1047  OwnerSid = NULL;
1048  goto Quickie;
1049  }
1050 
1051  /* Build the restricted SID */
1052  Status = RtlAllocateAndInitializeSid(&NtAuthority, 1,
1053  SECURITY_RESTRICTED_CODE_RID,
1054  0, 0, 0, 0, 0, 0, 0,
1055  &RestrictedSid);
1056  if (!NT_SUCCESS(Status))
1057  {
1058  RestrictedSid = NULL;
1059  goto Quickie;
1060  }
1061 
1062  /* Build the system SID */
1063  Status = RtlAllocateAndInitializeSid(&NtAuthority, 1,
1064  SECURITY_LOCAL_SYSTEM_RID,
1065  0, 0, 0, 0, 0, 0, 0,
1066  &SystemSid);
1067  if (!NT_SUCCESS(Status))
1068  {
1069  SystemSid = NULL;
1070  goto Quickie;
1071  }
1072 
1073  /* Now check if we're creating the core descriptors */
1074  if (!InitialCall)
1075  {
1076  /* We're skipping NextAcl so we have to do this here */
1077  SidLength = RtlLengthSid(WorldSid) + RtlLengthSid(RestrictedSid) + RtlLengthSid(AdminSid);
1078  SidLength *= 2;
1079  goto NotInitial;
1080  }
1081 
1082  /* Allocate an ACL with two ACEs with two SIDs each */
1083  SidLength = RtlLengthSid(SystemSid) + RtlLengthSid(AdminSid);
1084  AclLength = sizeof(ACL) + 2 * sizeof(ACCESS_ALLOWED_ACE) + SidLength;
1085  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1086  if (!Acl) Status = STATUS_NO_MEMORY;
1087  if (!NT_SUCCESS(Status)) goto NextAcl;
1088 
1089  /* Now build the ACL and add the two ACEs */
1090  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1091  ASSERT(NT_SUCCESS(Status));
1092  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1093  ASSERT(NT_SUCCESS(Status));
1094  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, SystemSid);
1095  ASSERT(NT_SUCCESS(Status));
1096 
1097  /* Set this as the DACL */
1098  Status = RtlSetDaclSecurityDescriptor(SmpApiPortSecurityDescriptor,
1099  TRUE,
1100  Acl,
1101  FALSE);
1102  ASSERT(NT_SUCCESS(Status));
1103 
1104 NextAcl:
1105  /* Allocate an ACL with 6 ACEs, two ACEs per SID */
1106  SidLength = RtlLengthSid(WorldSid) + RtlLengthSid(RestrictedSid) + RtlLengthSid(AdminSid);
1107  SidLength *= 2;
1108  AclLength = sizeof(ACL) + 6 * sizeof(ACCESS_ALLOWED_ACE) + SidLength;
1109  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1110  if (!Acl) Status = STATUS_NO_MEMORY;
1111  if (!NT_SUCCESS(Status)) goto NotInitial;
1112 
1113  /* Now build the ACL and add the six ACEs */
1114  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1115  ASSERT(NT_SUCCESS(Status));
1116  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE, WorldSid);
1117  ASSERT(NT_SUCCESS(Status));
1118  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE, RestrictedSid);
1119  ASSERT(NT_SUCCESS(Status));
1120  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1121  ASSERT(NT_SUCCESS(Status));
1122  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, WorldSid);
1123  ASSERT(NT_SUCCESS(Status));
1124  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, RestrictedSid);
1125  ASSERT(NT_SUCCESS(Status));
1126  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1127  ASSERT(NT_SUCCESS(Status));
1128 
1129  /* Now edit the last three ACEs and make them inheritable */
1130  Status = RtlGetAce(Acl, 3, (PVOID)&Ace);
1131  ASSERT(NT_SUCCESS(Status));
1132  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1133  Status = RtlGetAce(Acl, 4, (PVOID)&Ace);
1134  ASSERT(NT_SUCCESS(Status));
1135  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1136  Status = RtlGetAce(Acl, 5, (PVOID)&Ace);
1137  ASSERT(NT_SUCCESS(Status));
1138  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1139 
1140  /* Set this as the DACL */
1141  Status = RtlSetDaclSecurityDescriptor(SmpKnownDllsSecurityDescriptor,
1142  TRUE,
1143  Acl,
1144  FALSE);
1145  ASSERT(NT_SUCCESS(Status));
1146 
1147 NotInitial:
1148  /* The initial ACLs have been created, are we also protecting objects? */
1149  if (!ProtectionRequired) goto Quickie;
1150 
1151  /* Allocate an ACL with 7 ACEs, two ACEs per SID, and one final owner ACE */
1152  SidLength += RtlLengthSid(OwnerSid);
1153  AclLength = sizeof(ACL) + 7 * sizeof (ACCESS_ALLOWED_ACE) + 2 * SidLength;
1154  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1155  if (!Acl) Status = STATUS_NO_MEMORY;
1156  if (!NT_SUCCESS(Status)) goto Quickie;
1157 
1158  /* Build the ACL and add the seven ACEs */
1159  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1160  ASSERT(NT_SUCCESS(Status));
1161  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, WorldSid);
1162  ASSERT(NT_SUCCESS(Status));
1163  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, RestrictedSid);
1164  ASSERT(NT_SUCCESS(Status));
1165  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1166  ASSERT(NT_SUCCESS(Status));
1167  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, WorldSid);
1168  ASSERT(NT_SUCCESS(Status));
1169  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ, RestrictedSid);
1170  ASSERT(NT_SUCCESS(Status));
1171  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1172  ASSERT(NT_SUCCESS(Status));
1173  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, OwnerSid);
1174  ASSERT(NT_SUCCESS(Status));
1175 
1176  /* Edit the last 4 ACEs to make then inheritable */
1177  Status = RtlGetAce(Acl, 3, (PVOID)&Ace);
1178  ASSERT(NT_SUCCESS(Status));
1179  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1180  Status = RtlGetAce(Acl, 4, (PVOID)&Ace);
1181  ASSERT(NT_SUCCESS(Status));
1182  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1183  Status = RtlGetAce(Acl, 5, (PVOID)&Ace);
1184  ASSERT(NT_SUCCESS(Status));
1185  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1186  Status = RtlGetAce(Acl, 6, (PVOID)&Ace);
1187  ASSERT(NT_SUCCESS(Status));
1188  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1189 
1190  /* Set this as the DACL for the primary SD */
1191  Status = RtlSetDaclSecurityDescriptor(SmpPrimarySecurityDescriptor,
1192  TRUE,
1193  Acl,
1194  FALSE);
1195  ASSERT(NT_SUCCESS(Status));
1196 
1197  /* Allocate an ACL with 7 ACEs, two ACEs per SID, and one final owner ACE */
1198  AclLength = sizeof(ACL) + 7 * sizeof (ACCESS_ALLOWED_ACE) + 2 * SidLength;
1199  Acl = RtlAllocateHeap(RtlGetProcessHeap(), 0, AclLength);
1200  if (!Acl) Status = STATUS_NO_MEMORY;
1201  if (!NT_SUCCESS(Status)) goto Quickie;
1202 
1203  /* Build the ACL and add the seven ACEs */
1204  Status = RtlCreateAcl(Acl, AclLength, ACL_REVISION2);
1205  ASSERT(NT_SUCCESS(Status));
1206  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, WorldSid);
1207  ASSERT(NT_SUCCESS(Status));
1208  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, RestrictedSid);
1209  ASSERT(NT_SUCCESS(Status));
1210  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1211  ASSERT(NT_SUCCESS(Status));
1212  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, WorldSid);
1213  ASSERT(NT_SUCCESS(Status));
1214  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_EXECUTE | GENERIC_READ | GENERIC_WRITE, RestrictedSid);
1215  ASSERT(NT_SUCCESS(Status));
1216  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, AdminSid);
1217  ASSERT(NT_SUCCESS(Status));
1218  Status = RtlAddAccessAllowedAce(Acl, ACL_REVISION2, GENERIC_ALL, OwnerSid);
1219  ASSERT(NT_SUCCESS(Status));
1220 
1221  /* Edit the last 4 ACEs to make then inheritable */
1222  Status = RtlGetAce(Acl, 3, (PVOID)&Ace);
1223  ASSERT(NT_SUCCESS(Status));
1224  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1225  Status = RtlGetAce(Acl, 4, (PVOID)&Ace);
1226  ASSERT(NT_SUCCESS(Status));
1227  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1228  Status = RtlGetAce(Acl, 5, (PVOID)&Ace);
1229  ASSERT(NT_SUCCESS(Status));
1230  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1231  Status = RtlGetAce(Acl, 6, (PVOID)&Ace);
1232  ASSERT(NT_SUCCESS(Status));
1233  Ace->AceFlags = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE | INHERIT_ONLY_ACE;
1234 
1235  /* Now set this as the DACL for the liberal SD */
1236  Status = RtlSetDaclSecurityDescriptor(SmpLiberalSecurityDescriptor,
1237  TRUE,
1238  Acl,
1239  FALSE);
1240  ASSERT(NT_SUCCESS(Status));
1241 
1242 Quickie:
1243  /* Cleanup the SIDs */
1244  if (OwnerSid) RtlFreeHeap(RtlGetProcessHeap(), 0, OwnerSid);
1245  if (AdminSid) RtlFreeHeap(RtlGetProcessHeap(), 0, AdminSid);
1246  if (WorldSid) RtlFreeHeap(RtlGetProcessHeap(), 0, WorldSid);
1247  if (SystemSid) RtlFreeHeap(RtlGetProcessHeap(), 0, SystemSid);
1248  if (RestrictedSid) RtlFreeHeap(RtlGetProcessHeap(), 0, RestrictedSid);
1249  return Status;
1250 }
1251 
1252 NTSTATUS
1253 NTAPI
1254 SmpInitializeDosDevices(VOID)
1255 {
1256  NTSTATUS Status;
1257  PSMP_REGISTRY_VALUE RegEntry;
1258  SECURITY_DESCRIPTOR_CONTROL OldFlag = 0;
1259  OBJECT_ATTRIBUTES ObjectAttributes;
1260  UNICODE_STRING DestinationString;
1261  HANDLE DirHandle;
1262  PLIST_ENTRY NextEntry, Head;
1263 
1264  /* Open the GLOBAL?? directory */
1265  RtlInitUnicodeString(&DestinationString, L"\\??");
1266  InitializeObjectAttributes(&ObjectAttributes,
1267  &DestinationString,
1268  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1269  NULL,
1270  NULL);
1271  Status = NtOpenDirectoryObject(&SmpDosDevicesObjectDirectory,
1272  DIRECTORY_ALL_ACCESS,
1273  &ObjectAttributes);
1274  if (!NT_SUCCESS(Status))
1275  {
1276  DPRINT1("SMSS: Unable to open %wZ directory - Status == %lx\n",
1277  &DestinationString, Status);
1278  return Status;
1279  }
1280 
1281  /* Loop the DOS devices */
1282  Head = &SmpDosDevicesList;
1283  while (!IsListEmpty(Head))
1284  {
1285  /* Get the entry and remove it */
1286  NextEntry = RemoveHeadList(Head);
1287  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
1288 
1289  /* Initialize the attributes, and see which descriptor is being used */
1290  InitializeObjectAttributes(&ObjectAttributes,
1291  &RegEntry->Name,
1292  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1293  SmpDosDevicesObjectDirectory,
1294  SmpPrimarySecurityDescriptor);
1295  if (SmpPrimarySecurityDescriptor)
1296  {
1297  /* Save the old flag and set it while we create this link */
1298  OldFlag = SmpPrimarySecurityDescriptor->Control;
1299  SmpPrimarySecurityDescriptor->Control |= SE_DACL_DEFAULTED;
1300  }
1301 
1302  /* Create the symbolic link */
1303  DPRINT("Creating symlink for %wZ to %wZ\n", &RegEntry->Name, &RegEntry->Value);
1304  Status = NtCreateSymbolicLinkObject(&DirHandle,
1305  SYMBOLIC_LINK_ALL_ACCESS,
1306  &ObjectAttributes,
1307  &RegEntry->Value);
1308  if (Status == STATUS_OBJECT_NAME_EXISTS)
1309  {
1310  /* Make it temporary and get rid of the handle */
1311  NtMakeTemporaryObject(DirHandle);
1312  NtClose(DirHandle);
1313 
1314  /* Treat this as success, and see if we got a name back */
1315  Status = STATUS_SUCCESS;
1316  if (RegEntry->Value.Length)
1317  {
1318  /* Create it now with this name */
1319  ObjectAttributes.Attributes &= ~OBJ_OPENIF;
1320  Status = NtCreateSymbolicLinkObject(&DirHandle,
1321  SYMBOLIC_LINK_ALL_ACCESS,
1322  &ObjectAttributes,
1323  &RegEntry->Value);
1324  }
1325  }
1326 
1327  /* If we were using a security descriptor, restore the non-defaulted flag */
1328  if (ObjectAttributes.SecurityDescriptor)
1329  {
1330  SmpPrimarySecurityDescriptor->Control = OldFlag;
1331  }
1332 
1333  /* Print a failure if we failed to create the symbolic link */
1334  if (!NT_SUCCESS(Status))
1335  {
1336  DPRINT1("SMSS: Unable to create %wZ => %wZ symbolic link object - Status == 0x%lx\n",
1337  &RegEntry->Name,
1338  &RegEntry->Value,
1339  Status);
1340  break;
1341  }
1342 
1343  /* Close the handle */
1344  NtClose(DirHandle);
1345 
1346  /* Free this entry */
1347  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
1348  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
1349  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
1350  }
1351 
1352  /* Return the status */
1353  return Status;
1354 }
1355 
1356 VOID
1357 NTAPI
1358 SmpProcessModuleImports(IN PVOID Unused,
1359  IN PCHAR ImportName)
1360 {
1361  ULONG Length = 0;
1362  WCHAR Buffer[MAX_PATH];
1363  PWCHAR DllName, DllValue;
1364  ANSI_STRING ImportString;
1365  UNICODE_STRING ImportUnicodeString;
1366  NTSTATUS Status;
1367 
1368  /* Skip NTDLL since it's already always mapped */
1369  if (!_stricmp(ImportName, "ntdll.dll")) return;
1370 
1371  /* Initialize our strings */
1372  RtlInitAnsiString(&ImportString, ImportName);
1373  RtlInitEmptyUnicodeString(&ImportUnicodeString, Buffer, sizeof(Buffer));
1374  Status = RtlAnsiStringToUnicodeString(&ImportUnicodeString, &ImportString, FALSE);
1375  if (!NT_SUCCESS(Status)) return;
1376 
1377  /* Loop to find the DLL file extension */
1378  while (Length < ImportUnicodeString.Length)
1379  {
1380  if (ImportUnicodeString.Buffer[Length / sizeof(WCHAR)] == L'.') break;
1381  Length += sizeof(WCHAR);
1382  }
1383 
1384  /*
1385  * Break up the values as needed; the buffer acquires the form:
1386  * "dll_name.dll\0dll_name\0"
1387  */
1388  DllValue = ImportUnicodeString.Buffer;
1389  DllName = &ImportUnicodeString.Buffer[(ImportUnicodeString.Length + sizeof(UNICODE_NULL)) / sizeof(WCHAR)];
1390  RtlStringCbCopyNW(DllName,
1391  ImportUnicodeString.MaximumLength - (ImportUnicodeString.Length + sizeof(UNICODE_NULL)),
1392  ImportUnicodeString.Buffer, Length);
1393 
1394  /* Add the DLL to the list */
1395  SmpSaveRegistryValue(&SmpKnownDllsList, DllName, DllValue, TRUE);
1396 }
1397 
1398 NTSTATUS
1399 NTAPI
1400 SmpInitializeKnownDllsInternal(IN PUNICODE_STRING Directory,
1401  IN PUNICODE_STRING Path)
1402 {
1403  HANDLE DirFileHandle, DirHandle, SectionHandle, FileHandle, LinkHandle;
1404  UNICODE_STRING NtPath, DestinationString;
1405  OBJECT_ATTRIBUTES ObjectAttributes;
1406  NTSTATUS Status, Status1;
1407  PLIST_ENTRY NextEntry;
1408  PSMP_REGISTRY_VALUE RegEntry;
1409  ULONG_PTR ErrorParameters[3];
1410  UNICODE_STRING ErrorResponse;
1411  IO_STATUS_BLOCK IoStatusBlock;
1412  SECURITY_DESCRIPTOR_CONTROL OldFlag = 0;
1413  USHORT ImageCharacteristics;
1414 
1415  /* Initialize to NULL */
1416  DirFileHandle = NULL;
1417  DirHandle = NULL;
1418  NtPath.Buffer = NULL;
1419 
1420  /* Create the \KnownDLLs directory */
1421  InitializeObjectAttributes(&ObjectAttributes,
1422  Directory,
1423  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1424  NULL,
1425  SmpKnownDllsSecurityDescriptor);
1426  Status = NtCreateDirectoryObject(&DirHandle,
1427  DIRECTORY_ALL_ACCESS,
1428  &ObjectAttributes);
1429  if (!NT_SUCCESS(Status))
1430  {
1431  /* Handle failure */
1432  DPRINT1("SMSS: Unable to create %wZ directory - Status == %lx\n",
1433  Directory, Status);
1434  return Status;
1435  }
1436 
1437  /* Convert the path to native format */
1438  if (!RtlDosPathNameToNtPathName_U(Path->Buffer, &NtPath, NULL, NULL))
1439  {
1440  /* Fail if this didn't work */
1441  DPRINT1("SMSS: Unable to to convert %wZ to an Nt path\n", Path);
1442  Status = STATUS_OBJECT_NAME_INVALID;
1443  goto Quickie;
1444  }
1445 
1446  /* Open the path that was specified, which should be a directory */
1447  InitializeObjectAttributes(&ObjectAttributes,
1448  &NtPath,
1449  OBJ_CASE_INSENSITIVE,
1450  NULL,
1451  NULL);
1452  Status = NtOpenFile(&DirFileHandle,
1453  FILE_LIST_DIRECTORY | SYNCHRONIZE,
1454  &ObjectAttributes,
1455  &IoStatusBlock,
1456  FILE_SHARE_READ | FILE_SHARE_WRITE,
1457  FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT);
1458  if (!NT_SUCCESS(Status))
1459  {
1460  /* Fail if we couldn't open it */
1461  DPRINT1("SMSS: Unable to open a handle to the KnownDll directory (%wZ)"
1462  "- Status == %lx\n",
1463  Path,
1464  Status);
1465  FileHandle = NULL;
1466  goto Quickie;
1467  }
1468 
1469  /* Temporarily hack the SD to use a default DACL for this symbolic link */
1470  if (SmpPrimarySecurityDescriptor)
1471  {
1472  OldFlag = SmpPrimarySecurityDescriptor->Control;
1473  SmpPrimarySecurityDescriptor->Control |= SE_DACL_DEFAULTED;
1474  }
1475 
1476  /* Create a symbolic link to the directory in the object manager */
1477  RtlInitUnicodeString(&DestinationString, L"KnownDllPath");
1478  InitializeObjectAttributes(&ObjectAttributes,
1479  &DestinationString,
1480  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
1481  DirHandle,
1482  SmpPrimarySecurityDescriptor);
1483  Status = NtCreateSymbolicLinkObject(&LinkHandle,
1484  SYMBOLIC_LINK_ALL_ACCESS,
1485  &ObjectAttributes,
1486  Path);
1487 
1488  /* Undo the hack */
1489  if (SmpPrimarySecurityDescriptor) SmpPrimarySecurityDescriptor->Control = OldFlag;
1490 
1491  /* Check if the symlink was created */
1492  if (!NT_SUCCESS(Status))
1493  {
1494  /* It wasn't, so bail out since the OS needs it to exist */
1495  DPRINT1("SMSS: Unable to create %wZ symbolic link - Status == %lx\n",
1496  &DestinationString, Status);
1497  LinkHandle = NULL;
1498  goto Quickie;
1499  }
1500 
1501  /* We created it permanent, we can go ahead and close the handle now */
1502  Status1 = NtClose(LinkHandle);
1503  ASSERT(NT_SUCCESS(Status1));
1504 
1505  /* Now loop the known DLLs */
1506  NextEntry = SmpKnownDllsList.Flink;
1507  while (NextEntry != &SmpKnownDllsList)
1508  {
1509  /* Get the entry and move on */
1510  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
1511  NextEntry = NextEntry->Flink;
1512 
1513  DPRINT("Processing known DLL: %wZ-%wZ\n", &RegEntry->Name, &RegEntry->Value);
1514 
1515  /* Skip the entry if it's in the excluded list */
1516  if ((SmpFindRegistryValue(&SmpExcludeKnownDllsList,
1517  RegEntry->Name.Buffer)) ||
1518  (SmpFindRegistryValue(&SmpExcludeKnownDllsList,
1519  RegEntry->Value.Buffer)))
1520  {
1521  continue;
1522  }
1523 
1524  /* Open the actual file */
1525  InitializeObjectAttributes(&ObjectAttributes,
1526  &RegEntry->Value,
1527  OBJ_CASE_INSENSITIVE,
1528  DirFileHandle,
1529  NULL);
1530  Status1 = NtOpenFile(&FileHandle,
1531  SYNCHRONIZE | FILE_EXECUTE,
1532  &ObjectAttributes,
1533  &IoStatusBlock,
1534  FILE_SHARE_READ | FILE_SHARE_DELETE,
1535  FILE_NON_DIRECTORY_FILE |
1536  FILE_SYNCHRONOUS_IO_NONALERT);
1537  /* If we failed, skip it */
1538  if (!NT_SUCCESS(Status1)) continue;
1539 
1540  /* Checksum it */
1541  Status = LdrVerifyImageMatchesChecksum((HANDLE)((ULONG_PTR)FileHandle | 1),
1542  SmpProcessModuleImports,
1543  RegEntry,
1544  &ImageCharacteristics);
1545  if (!NT_SUCCESS(Status))
1546  {
1547  /* Checksum failed, so don't even try going further -- kill SMSS */
1548  RtlInitUnicodeString(&ErrorResponse,
1549  L"Verification of a KnownDLL failed.");
1550  ErrorParameters[0] = (ULONG_PTR)&ErrorResponse;
1551  ErrorParameters[1] = Status;
1552  ErrorParameters[2] = (ULONG_PTR)&RegEntry->Value;
1553  SmpTerminate(ErrorParameters, 5, RTL_NUMBER_OF(ErrorParameters));
1554  }
1555  else if (!(ImageCharacteristics & IMAGE_FILE_DLL))
1556  {
1557  /* An invalid known DLL entry will also kill SMSS */
1558  RtlInitUnicodeString(&ErrorResponse,
1559  L"Non-DLL file included in KnownDLL list.");
1560  ErrorParameters[0] = (ULONG_PTR)&ErrorResponse;
1561  ErrorParameters[1] = STATUS_INVALID_IMPORT_OF_NON_DLL;
1562  ErrorParameters[2] = (ULONG_PTR)&RegEntry->Value;
1563  SmpTerminate(ErrorParameters, 5, RTL_NUMBER_OF(ErrorParameters));
1564  }
1565 
1566  /* Temporarily hack the SD to use a default DACL for this section */
1567  if (SmpLiberalSecurityDescriptor)
1568  {
1569  OldFlag = SmpLiberalSecurityDescriptor->Control;
1570  SmpLiberalSecurityDescriptor->Control |= SE_DACL_DEFAULTED;
1571  }
1572 
1573  /* Create the section for this known DLL */
1574  InitializeObjectAttributes(&ObjectAttributes,
1575  &RegEntry->Value,
1576  OBJ_PERMANENT,
1577  DirHandle,
1578  SmpLiberalSecurityDescriptor)
1579  Status = NtCreateSection(&SectionHandle,
1580  SECTION_ALL_ACCESS,
1581  &ObjectAttributes,
1582  0,
1583  PAGE_EXECUTE,
1584  SEC_IMAGE,
1585  FileHandle);
1586 
1587  /* Undo the hack */
1588  if (SmpLiberalSecurityDescriptor) SmpLiberalSecurityDescriptor->Control = OldFlag;
1589 
1590  /* Check if we created the section okay */
1591  if (NT_SUCCESS(Status))
1592  {
1593  /* We can close it now, since it's marked permanent */
1594  Status1 = NtClose(SectionHandle);
1595  ASSERT(NT_SUCCESS(Status1));
1596  }
1597  else
1598  {
1599  /* If we couldn't make it "known", that's fine and keep going */
1600  DPRINT1("SMSS: CreateSection for KnownDll %wZ failed - Status == %lx\n",
1601  &RegEntry->Value, Status);
1602  }
1603 
1604  /* Close the file since we can move on to the next one */
1605  Status1 = NtClose(FileHandle);
1606  ASSERT(NT_SUCCESS(Status1));
1607  }
1608 
1609 Quickie:
1610  /* Close both handles and free the NT path buffer */
1611  if (DirHandle)
1612  {
1613  Status1 = NtClose(DirHandle);
1614  ASSERT(NT_SUCCESS(Status1));
1615  }
1616  if (DirFileHandle)
1617  {
1618  Status1 = NtClose(DirFileHandle);
1619  ASSERT(NT_SUCCESS(Status1));
1620  }
1621  if (NtPath.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, NtPath.Buffer);
1622  return Status;
1623 }
1624 
1625 NTSTATUS
1626 NTAPI
1627 SmpInitializeKnownDlls(VOID)
1628 {
1629  NTSTATUS Status;
1630  PSMP_REGISTRY_VALUE RegEntry;
1631  UNICODE_STRING DestinationString;
1632  PLIST_ENTRY Head, NextEntry;
1633 
1634  /* Call the internal function */
1635  RtlInitUnicodeString(&DestinationString, L"\\KnownDlls");
1636  Status = SmpInitializeKnownDllsInternal(&DestinationString, &SmpKnownDllPath);
1637 
1638  /* Wipe out the list regardless of success */
1639  Head = &SmpKnownDllsList;
1640  while (!IsListEmpty(Head))
1641  {
1642  /* Remove this entry */
1643  NextEntry = RemoveHeadList(Head);
1644 
1645  /* Free it */
1646  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
1647  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
1648  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
1649  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
1650  }
1651 
1652  /* All done */
1653  return Status;
1654 }
1655 
1656 NTSTATUS
1657 NTAPI
1658 SmpCreateDynamicEnvironmentVariables(VOID)
1659 {
1660  NTSTATUS Status;
1661  SYSTEM_BASIC_INFORMATION BasicInfo;
1662  SYSTEM_PROCESSOR_INFORMATION ProcessorInfo;
1663  OBJECT_ATTRIBUTES ObjectAttributes;
1664  UNICODE_STRING ValueName, DestinationString;
1665  HANDLE KeyHandle, KeyHandle2;
1666  PWCHAR ValueData;
1667  ULONG ResultLength;
1668  size_t StrLength;
1669  WCHAR ValueBuffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 512];
1670  WCHAR ValueBuffer2[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 512];
1671  PKEY_VALUE_PARTIAL_INFORMATION PartialInfo = (PVOID)ValueBuffer;
1672  PKEY_VALUE_PARTIAL_INFORMATION PartialInfo2 = (PVOID)ValueBuffer2;
1673 
1674  /* Get system basic information -- we'll need the CPU count */
1675  Status = NtQuerySystemInformation(SystemBasicInformation,
1676  &BasicInfo,
1677  sizeof(BasicInfo),
1678  NULL);
1679  if (!NT_SUCCESS(Status))
1680  {
1681  /* Bail out on failure */
1682  DPRINT1("SMSS: Unable to query system basic information - %x\n", Status);
1683  return Status;
1684  }
1685 
1686  /* Get the processor information, we'll query a bunch of revision info */
1687  Status = NtQuerySystemInformation(SystemProcessorInformation,
1688  &ProcessorInfo,
1689  sizeof(ProcessorInfo),
1690  NULL);
1691  if (!NT_SUCCESS(Status))
1692  {
1693  /* Bail out on failure */
1694  DPRINT1("SMSS: Unable to query system processor information - %x\n", Status);
1695  return Status;
1696  }
1697 
1698  /* We'll be writing all these environment variables over here */
1699  RtlInitUnicodeString(&DestinationString,
1700  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
1701  L"Control\\Session Manager\\Environment");
1702  InitializeObjectAttributes(&ObjectAttributes,
1703  &DestinationString,
1704  OBJ_CASE_INSENSITIVE,
1705  NULL,
1706  NULL);
1707  Status = NtOpenKey(&KeyHandle, GENERIC_WRITE, &ObjectAttributes);
1708  if (!NT_SUCCESS(Status))
1709  {
1710  /* Bail out on failure */
1711  DPRINT1("SMSS: Unable to open %wZ - %x\n", &DestinationString, Status);
1712  return Status;
1713  }
1714 
1715  /* First let's write the OS variable */
1716  RtlInitUnicodeString(&ValueName, L"OS");
1717  ValueData = L"Windows_NT";
1718  DPRINT("Setting %wZ to %S\n", &ValueName, ValueData);
1719  Status = NtSetValueKey(KeyHandle,
1720  &ValueName,
1721  0,
1722  REG_SZ,
1723  ValueData,
1724  (wcslen(ValueData) + 1) * sizeof(WCHAR));
1725  if (!NT_SUCCESS(Status))
1726  {
1727  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1728  &ValueName, Status);
1729  NtClose(KeyHandle);
1730  return Status;
1731  }
1732 
1733  /* Next, let's write the CPU architecture variable */
1734  RtlInitUnicodeString(&ValueName, L"PROCESSOR_ARCHITECTURE");
1735  switch (ProcessorInfo.ProcessorArchitecture)
1736  {
1737  /* Pick the correct string that matches the architecture */
1738  case PROCESSOR_ARCHITECTURE_INTEL:
1739  ValueData = L"x86";
1740  break;
1741 
1742  case PROCESSOR_ARCHITECTURE_AMD64:
1743  ValueData = L"AMD64";
1744  break;
1745 
1746  case PROCESSOR_ARCHITECTURE_IA64:
1747  ValueData = L"IA64";
1748  break;
1749 
1750  default:
1751  ValueData = L"Unknown";
1752  break;
1753  }
1754 
1755  /* Set it */
1756  DPRINT("Setting %wZ to %S\n", &ValueName, ValueData);
1757  Status = NtSetValueKey(KeyHandle,
1758  &ValueName,
1759  0,
1760  REG_SZ,
1761  ValueData,
1762  (wcslen(ValueData) + 1) * sizeof(WCHAR));
1763  if (!NT_SUCCESS(Status))
1764  {
1765  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1766  &ValueName, Status);
1767  NtClose(KeyHandle);
1768  return Status;
1769  }
1770 
1771  /* And now let's write the processor level */
1772  RtlInitUnicodeString(&ValueName, L"PROCESSOR_LEVEL");
1773  swprintf(ValueBuffer, L"%u", ProcessorInfo.ProcessorLevel);
1774  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1775  Status = NtSetValueKey(KeyHandle,
1776  &ValueName,
1777  0,
1778  REG_SZ,
1779  ValueBuffer,
1780  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1781  if (!NT_SUCCESS(Status))
1782  {
1783  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1784  &ValueName, Status);
1785  NtClose(KeyHandle);
1786  return Status;
1787  }
1788 
1789  /* Now open the hardware CPU key */
1790  RtlInitUnicodeString(&DestinationString,
1791  L"\\Registry\\Machine\\Hardware\\Description\\System\\"
1792  L"CentralProcessor\\0");
1793  InitializeObjectAttributes(&ObjectAttributes,
1794  &DestinationString,
1795  OBJ_CASE_INSENSITIVE,
1796  NULL,
1797  NULL);
1798  Status = NtOpenKey(&KeyHandle2, KEY_READ, &ObjectAttributes);
1799  if (!NT_SUCCESS(Status))
1800  {
1801  DPRINT1("SMSS: Unable to open %wZ - %x\n", &DestinationString, Status);
1802  NtClose(KeyHandle);
1803  return Status;
1804  }
1805 
1806  /* So that we can read the identifier out of it... */
1807  RtlInitUnicodeString(&ValueName, L"Identifier");
1808  Status = NtQueryValueKey(KeyHandle2,
1809  &ValueName,
1810  KeyValuePartialInformation,
1811  PartialInfo,
1812  sizeof(ValueBuffer),
1813  &ResultLength);
1814  if (!NT_SUCCESS(Status) ||
1815  ((PartialInfo->Type != REG_SZ) && (PartialInfo->Type != REG_EXPAND_SZ)))
1816  {
1817  NtClose(KeyHandle2);
1818  NtClose(KeyHandle);
1819  DPRINT1("SMSS: Unable to read %wZ\\%wZ (Type %lu, Status 0x%x)\n",
1820  &DestinationString, &ValueName, PartialInfo->Type, Status);
1821  return Status;
1822  }
1823 
1824  /* Initialize the string so that it can be large enough
1825  * to contain both the identifier and the vendor strings. */
1826  RtlInitEmptyUnicodeString(&DestinationString,
1827  (PWCHAR)PartialInfo->Data,
1828  sizeof(ValueBuffer) -
1829  FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data));
1830  RtlStringCbLengthW(DestinationString.Buffer,
1831  PartialInfo->DataLength,
1832  &StrLength);
1833  DestinationString.Length = (USHORT)StrLength;
1834 
1835  /* As well as the vendor... */
1836  RtlInitUnicodeString(&ValueName, L"VendorIdentifier");
1837  Status = NtQueryValueKey(KeyHandle2,
1838  &ValueName,
1839  KeyValuePartialInformation,
1840  PartialInfo2,
1841  sizeof(ValueBuffer2),
1842  &ResultLength);
1843  NtClose(KeyHandle2);
1844  if (NT_SUCCESS(Status) &&
1845  ((PartialInfo2->Type == REG_SZ) || (PartialInfo2->Type == REG_EXPAND_SZ)))
1846  {
1847  /* To combine it into a single string */
1848  RtlStringCbPrintfW(DestinationString.Buffer + DestinationString.Length / sizeof(WCHAR),
1849  DestinationString.MaximumLength - DestinationString.Length,
1850  L", %.*s",
1851  PartialInfo2->DataLength / sizeof(WCHAR),
1852  (PWCHAR)PartialInfo2->Data);
1853  DestinationString.Length = (USHORT)(wcslen(DestinationString.Buffer) * sizeof(WCHAR));
1854  }
1855 
1856  /* So that we can set this as the PROCESSOR_IDENTIFIER variable */
1857  RtlInitUnicodeString(&ValueName, L"PROCESSOR_IDENTIFIER");
1858  DPRINT("Setting %wZ to %wZ\n", &ValueName, &DestinationString);
1859  Status = NtSetValueKey(KeyHandle,
1860  &ValueName,
1861  0,
1862  REG_SZ,
1863  DestinationString.Buffer,
1864  DestinationString.Length + sizeof(UNICODE_NULL));
1865  if (!NT_SUCCESS(Status))
1866  {
1867  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1868  &ValueName, Status);
1869  NtClose(KeyHandle);
1870  return Status;
1871  }
1872 
1873  /* Now let's get the processor architecture */
1874  RtlInitUnicodeString(&ValueName, L"PROCESSOR_REVISION");
1875  switch (ProcessorInfo.ProcessorArchitecture)
1876  {
1877  /* Check if this is an older Intel CPU */
1878  case PROCESSOR_ARCHITECTURE_INTEL:
1879  if ((ProcessorInfo.ProcessorRevision >> 8) == 0xFF)
1880  {
1881  /* These guys used a revision + stepping, so get the rev only */
1882  swprintf(ValueBuffer, L"%02x", ProcessorInfo.ProcessorRevision & 0xFF);
1883  _wcsupr(ValueBuffer);
1884  break;
1885  }
1886 
1887  /* Modern Intel, as well as 64-bit CPUs use a revision without stepping */
1888  case PROCESSOR_ARCHITECTURE_IA64:
1889  case PROCESSOR_ARCHITECTURE_AMD64:
1890  swprintf(ValueBuffer, L"%04x", ProcessorInfo.ProcessorRevision);
1891  break;
1892 
1893  /* And anything else we'll just read the whole revision identifier */
1894  default:
1895  swprintf(ValueBuffer, L"%u", ProcessorInfo.ProcessorRevision);
1896  break;
1897  }
1898 
1899  /* Write the revision to the registry */
1900  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1901  Status = NtSetValueKey(KeyHandle,
1902  &ValueName,
1903  0,
1904  REG_SZ,
1905  ValueBuffer,
1906  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1907  if (!NT_SUCCESS(Status))
1908  {
1909  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1910  &ValueName, Status);
1911  NtClose(KeyHandle);
1912  return Status;
1913  }
1914 
1915  /* And finally, write the number of CPUs */
1916  RtlInitUnicodeString(&ValueName, L"NUMBER_OF_PROCESSORS");
1917  swprintf(ValueBuffer, L"%d", BasicInfo.NumberOfProcessors);
1918  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1919  Status = NtSetValueKey(KeyHandle,
1920  &ValueName,
1921  0,
1922  REG_SZ,
1923  ValueBuffer,
1924  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1925  if (!NT_SUCCESS(Status))
1926  {
1927  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1928  &ValueName, Status);
1929  NtClose(KeyHandle);
1930  return Status;
1931  }
1932 
1933  /* Now we need to write the safeboot option key in a different format */
1934  RtlInitUnicodeString(&DestinationString,
1935  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
1936  L"Control\\Safeboot\\Option");
1937  InitializeObjectAttributes(&ObjectAttributes,
1938  &DestinationString,
1939  OBJ_CASE_INSENSITIVE,
1940  NULL,
1941  NULL);
1942  Status = NtOpenKey(&KeyHandle2, KEY_ALL_ACCESS, &ObjectAttributes);
1943  if (NT_SUCCESS(Status))
1944  {
1945  /* This was indeed a safeboot, so check what kind of safeboot it was */
1946  RtlInitUnicodeString(&ValueName, L"OptionValue");
1947  Status = NtQueryValueKey(KeyHandle2,
1948  &ValueName,
1949  KeyValuePartialInformation,
1950  PartialInfo,
1951  sizeof(ValueBuffer),
1952  &ResultLength);
1953  NtClose(KeyHandle2);
1954  if (NT_SUCCESS(Status) &&
1955  (PartialInfo->Type == REG_DWORD) &&
1956  (PartialInfo->DataLength >= sizeof(ULONG)))
1957  {
1958  /* Convert from the integer value to the correct specifier */
1959  RtlInitUnicodeString(&ValueName, L"SAFEBOOT_OPTION");
1960  switch (*(PULONG)PartialInfo->Data)
1961  {
1962  case 1:
1963  wcscpy(ValueBuffer, L"MINIMAL");
1964  break;
1965  case 2:
1966  wcscpy(ValueBuffer, L"NETWORK");
1967  break;
1968  case 3:
1969  wcscpy(ValueBuffer, L"DSREPAIR");
1970  break;
1971  }
1972 
1973  /* And write it in the environment! */
1974  DPRINT("Setting %wZ to %S\n", &ValueName, ValueBuffer);
1975  Status = NtSetValueKey(KeyHandle,
1976  &ValueName,
1977  0,
1978  REG_SZ,
1979  ValueBuffer,
1980  (wcslen(ValueBuffer) + 1) * sizeof(WCHAR));
1981  if (!NT_SUCCESS(Status))
1982  {
1983  DPRINT1("SMSS: Failed writing %wZ environment variable - %x\n",
1984  &ValueName, Status);
1985  NtClose(KeyHandle);
1986  return Status;
1987  }
1988  }
1989  else
1990  {
1991  DPRINT1("SMSS: Failed to query SAFEBOOT option (Type %lu, Status 0x%x)\n",
1992  PartialInfo->Type, Status);
1993  }
1994  }
1995 
1996  /* We are all done now */
1997  NtClose(KeyHandle);
1998  return STATUS_SUCCESS;
1999 }
2000 
2001 NTSTATUS
2002 NTAPI
2003 SmpProcessFileRenames(VOID)
2004 {
2005  BOOLEAN OldState, HavePrivilege = FALSE;
2006  NTSTATUS Status;
2007  HANDLE FileHandle, OtherFileHandle;
2008  FILE_INFORMATION_CLASS InformationClass;
2009  OBJECT_ATTRIBUTES ObjectAttributes;
2010  IO_STATUS_BLOCK IoStatusBlock;
2011  UNICODE_STRING FileString;
2012  FILE_BASIC_INFORMATION BasicInfo;
2013  FILE_DISPOSITION_INFORMATION DeleteInformation;
2014  PFILE_RENAME_INFORMATION Buffer;
2015  PLIST_ENTRY Head, NextEntry;
2016  PSMP_REGISTRY_VALUE RegEntry;
2017  PWCHAR FileName;
2018  ULONG ValueLength, Length;
2019 
2020  /* Give us access to restore any files we want */
2021  Status = RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, TRUE, FALSE, &OldState);
2022  if (NT_SUCCESS(Status)) HavePrivilege = TRUE;
2023 
2024  // FIXME: Handle SFC-protected file renames!
2025  if (SmpAllowProtectedRenames)
2026  DPRINT1("SMSS: FIXME: Handle SFC-protected file renames!\n");
2027 
2028  /* Process pending files to rename */
2029  Head = &SmpFileRenameList;
2030  while (!IsListEmpty(Head))
2031  {
2032  /* Get this entry */
2033  NextEntry = RemoveHeadList(Head);
2034  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
2035  DPRINT("Processing PFRO: '%wZ' / '%wZ'\n", &RegEntry->Value, &RegEntry->Name);
2036 
2037  /* Skip past the '@' marker */
2038  if (!(RegEntry->Value.Length) && (*RegEntry->Name.Buffer == L'@'))
2039  {
2040  RegEntry->Name.Length -= sizeof(UNICODE_NULL);
2041  RegEntry->Name.Buffer++;
2042  }
2043 
2044  /* Open the file for delete access */
2045  InitializeObjectAttributes(&ObjectAttributes,
2046  &RegEntry->Name,
2047  OBJ_CASE_INSENSITIVE,
2048  NULL,
2049  NULL);
2050  Status = NtOpenFile(&OtherFileHandle,
2051  DELETE | SYNCHRONIZE,
2052  &ObjectAttributes,
2053  &IoStatusBlock,
2054  FILE_SHARE_READ | FILE_SHARE_WRITE,
2055  FILE_SYNCHRONOUS_IO_NONALERT);
2056  if (!NT_SUCCESS(Status)) goto Quickie;
2057 
2058  /* Check if it's a rename or just a delete */
2059  ValueLength = RegEntry->Value.Length;
2060  if (!ValueLength)
2061  {
2062  /* Just a delete, set up the class, length and buffer */
2063  InformationClass = FileDispositionInformation;
2064  Length = sizeof(DeleteInformation);
2065  Buffer = (PFILE_RENAME_INFORMATION)&DeleteInformation;
2066 
2067  /* Set the delete disposition */
2068  DeleteInformation.DeleteFile = TRUE;
2069  }
2070  else
2071  {
2072  /* This is a rename, setup the class and length */
2073  InformationClass = FileRenameInformation;
2074  Length = ValueLength + sizeof(FILE_RENAME_INFORMATION);
2075 
2076  /* Skip past the special markers */
2077  FileName = RegEntry->Value.Buffer;
2078  if ((*FileName == L'!') || (*FileName == L'@'))
2079  {
2080  FileName++;
2081  Length -= sizeof(UNICODE_NULL);
2082  }
2083 
2084  /* Now allocate the buffer for the rename information */
2085  Buffer = RtlAllocateHeap(RtlGetProcessHeap(), SmBaseTag, Length);
2086  if (Buffer)
2087  {
2088  /* Setup the buffer to point to the filename, and copy it */
2089  Buffer->RootDirectory = NULL;
2090  Buffer->FileNameLength = Length - sizeof(FILE_RENAME_INFORMATION);
2091  Buffer->ReplaceIfExists = FileName != RegEntry->Value.Buffer;
2092  RtlCopyMemory(Buffer->FileName, FileName, Buffer->FileNameLength);
2093  }
2094  else
2095  {
2096  /* Fail */
2097  Status = STATUS_NO_MEMORY;
2098  }
2099  }
2100 
2101  /* Check if everything is okay till here */
2102  if (NT_SUCCESS(Status))
2103  {
2104  /* Now either rename or delete the file as requested */
2105  Status = NtSetInformationFile(OtherFileHandle,
2106  &IoStatusBlock,
2107  Buffer,
2108  Length,
2109  InformationClass);
2110 
2111  /* Check if we seem to have failed because the file was readonly */
2112  if (!NT_SUCCESS(Status) &&
2113  (InformationClass == FileRenameInformation) &&
2114  (Status == STATUS_OBJECT_NAME_COLLISION) &&
2115  Buffer->ReplaceIfExists)
2116  {
2117  /* Open the file for write attribute access this time... */
2118  DPRINT("\nSMSS: '%wZ' => '%wZ' failed - Status == %x, Possible readonly target\n",
2119  &RegEntry->Name,
2120  &RegEntry->Value,
2121  STATUS_OBJECT_NAME_COLLISION);
2122  FileString.Length = RegEntry->Value.Length - sizeof(WCHAR);
2123  FileString.MaximumLength = RegEntry->Value.MaximumLength - sizeof(WCHAR);
2124  FileString.Buffer = FileName;
2125  InitializeObjectAttributes(&ObjectAttributes,
2126  &FileString,
2127  OBJ_CASE_INSENSITIVE,
2128  NULL,
2129  NULL);
2130  Status = NtOpenFile(&FileHandle,
2131  FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
2132  &ObjectAttributes,
2133  &IoStatusBlock,
2134  FILE_SHARE_READ | FILE_SHARE_WRITE,
2135  FILE_SYNCHRONOUS_IO_NONALERT);
2136  if (!NT_SUCCESS(Status))
2137  {
2138  /* That didn't work, so bail out */
2139  DPRINT1(" SMSS: Open Existing file Failed - Status == %x\n",
2140  Status);
2141  }
2142  else
2143  {
2144  /* Now remove the read-only attribute from the file */
2145  DPRINT(" SMSS: Open Existing Success\n");
2146  RtlZeroMemory(&BasicInfo, sizeof(BasicInfo));
2147  BasicInfo.FileAttributes = FILE_ATTRIBUTE_NORMAL;
2148  Status = NtSetInformationFile(FileHandle,
2149  &IoStatusBlock,
2150  &BasicInfo,
2151  sizeof(BasicInfo),
2152  FileBasicInformation);
2153  NtClose(FileHandle);
2154  if (!NT_SUCCESS(Status))
2155  {
2156  /* That didn't work, bail out */
2157  DPRINT1(" SMSS: Set To NORMAL Failed - Status == %x\n",
2158  Status);
2159  }
2160  else
2161  {
2162  /* Now that the file is no longer read-only, delete! */
2163  DPRINT(" SMSS: Set To NORMAL OK\n");
2164  Status = NtSetInformationFile(OtherFileHandle,
2165  &IoStatusBlock,
2166  Buffer,
2167  Length,
2168  FileRenameInformation);
2169  if (!NT_SUCCESS(Status))
2170  {
2171  /* That failed too! */
2172  DPRINT1(" SMSS: Re-Rename Failed - Status == %x\n",
2173  Status);
2174  }
2175  else
2176  {
2177  /* Everything ok */
2178  DPRINT(" SMSS: Re-Rename Worked OK\n");
2179  }
2180  }
2181  }
2182  }
2183  }
2184 
2185  /* Close the file handle and check the operation result */
2186  NtClose(OtherFileHandle);
2187 Quickie:
2188  if (!NT_SUCCESS(Status))
2189  {
2190  /* We totally failed */
2191  DPRINT1("SMSS: '%wZ' => '%wZ' failed - Status == %x\n",
2192  &RegEntry->Name, &RegEntry->Value, Status);
2193  }
2194  else if (RegEntry->Value.Length)
2195  {
2196  /* We succeed with a rename */
2197  DPRINT("SMSS: '%wZ' (renamed to) '%wZ'\n", &RegEntry->Name, &RegEntry->Value);
2198  }
2199  else
2200  {
2201  /* We succeeded with a delete */
2202  DPRINT("SMSS: '%wZ' (deleted)\n", &RegEntry->Name);
2203  }
2204 
2205  /* Now free this entry and keep going */
2206  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
2207  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
2208  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
2209  }
2210 
2211  /* Put back the restore privilege if we had requested it, and return */
2212  if (HavePrivilege) RtlAdjustPrivilege(SE_RESTORE_PRIVILEGE, FALSE, FALSE, &OldState);
2213  return Status;
2214 }
2215 
2216 NTSTATUS
2217 NTAPI
2218 SmpLoadDataFromRegistry(OUT PUNICODE_STRING InitialCommand)
2219 {
2220  NTSTATUS Status;
2221  PLIST_ENTRY Head, NextEntry;
2222  PSMP_REGISTRY_VALUE RegEntry;
2223  PVOID OriginalEnvironment;
2224  ULONG MuSessionId = 0;
2225  OBJECT_ATTRIBUTES ObjectAttributes;
2226  HANDLE KeyHandle;
2227  UNICODE_STRING DestinationString;
2228 
2229  /* Initialize the keywords we'll be looking for */
2230  RtlInitUnicodeString(&SmpDebugKeyword, L"debug");
2231  RtlInitUnicodeString(&SmpASyncKeyword, L"async");
2232  RtlInitUnicodeString(&SmpAutoChkKeyword, L"autocheck");
2233 
2234  /* Initialize all the registry-associated list heads */
2235  InitializeListHead(&SmpBootExecuteList);
2236  InitializeListHead(&SmpSetupExecuteList);
2237  InitializeListHead(&SmpPagingFileList);
2238  InitializeListHead(&SmpDosDevicesList);
2239  InitializeListHead(&SmpFileRenameList);
2240  InitializeListHead(&SmpKnownDllsList);
2241  InitializeListHead(&SmpExcludeKnownDllsList);
2242  InitializeListHead(&SmpSubSystemList);
2243  InitializeListHead(&SmpSubSystemsToLoad);
2244  InitializeListHead(&SmpSubSystemsToDefer);
2245  InitializeListHead(&SmpExecuteList);
2246  SmpPagingFileInitialize();
2247 
2248  /* Initialize the SMSS environment */
2249  Status = RtlCreateEnvironment(TRUE, &SmpDefaultEnvironment);
2250  if (!NT_SUCCESS(Status))
2251  {
2252  /* Fail if there was a problem */
2253  DPRINT1("SMSS: Unable to allocate default environment - Status == %X\n",
2254  Status);
2255  SMSS_CHECKPOINT(RtlCreateEnvironment, Status);
2256  return Status;
2257  }
2258 
2259  /* Check if we were booted in PE mode (LiveCD should have this) */
2260  RtlInitUnicodeString(&DestinationString,
2261  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
2262  L"Control\\MiniNT");
2263  InitializeObjectAttributes(&ObjectAttributes,
2264  &DestinationString,
2265  OBJ_CASE_INSENSITIVE,
2266  NULL,
2267  NULL);
2268  Status = NtOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
2269  if (NT_SUCCESS(Status))
2270  {
2271  /* If the key exists, we were */
2272  NtClose(KeyHandle);
2273  MiniNTBoot = TRUE;
2274  }
2275 
2276  /* Print out if this is the case */
2277  if (MiniNTBoot) DPRINT("SMSS: !!! MiniNT Boot !!!\n");
2278 
2279  /* Open the environment key to see if we are booted in safe mode */
2280  RtlInitUnicodeString(&DestinationString,
2281  L"\\Registry\\Machine\\System\\CurrentControlSet\\"
2282  L"Control\\Session Manager\\Environment");
2283  InitializeObjectAttributes(&ObjectAttributes,
2284  &DestinationString,
2285  OBJ_CASE_INSENSITIVE,
2286  NULL,
2287  NULL);
2288  Status = NtOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
2289  if (NT_SUCCESS(Status))
2290  {
2291  /* Delete the value if we found it */
2292  RtlInitUnicodeString(&DestinationString, L"SAFEBOOT_OPTION");
2293  NtDeleteValueKey(KeyHandle, &DestinationString);
2294  NtClose(KeyHandle);
2295  }
2296 
2297  /* Switch environments, then query the registry for all needed settings */
2298  OriginalEnvironment = NtCurrentPeb()->ProcessParameters->Environment;
2299  NtCurrentPeb()->ProcessParameters->Environment = SmpDefaultEnvironment;
2300  Status = RtlQueryRegistryValues(RTL_REGISTRY_CONTROL,
2301  L"Session Manager",
2302  SmpRegistryConfigurationTable,
2303  NULL,
2304  NULL);
2305  SmpDefaultEnvironment = NtCurrentPeb()->ProcessParameters->Environment;
2306  NtCurrentPeb()->ProcessParameters->Environment = OriginalEnvironment;
2307  if (!NT_SUCCESS(Status))
2308  {
2309  /* We failed somewhere in registry initialization, which is bad... */
2310  DPRINT1("SMSS: RtlQueryRegistryValues failed - Status == %lx\n", Status);
2311  SMSS_CHECKPOINT(RtlQueryRegistryValues, Status);
2312  return Status;
2313  }
2314 
2315  /* Now we can start acting on the registry settings. First to DOS devices */
2316  Status = SmpInitializeDosDevices();
2317  if (!NT_SUCCESS(Status))
2318  {
2319  /* Failed */
2320  DPRINT1("SMSS: Unable to initialize DosDevices configuration - Status == %lx\n",
2321  Status);
2322  SMSS_CHECKPOINT(SmpInitializeDosDevices, Status);
2323  return Status;
2324  }
2325 
2326  /* Next create the session directory... */
2327  RtlInitUnicodeString(&DestinationString, L"\\Sessions");
2328  InitializeObjectAttributes(&ObjectAttributes,
2329  &DestinationString,
2330  OBJ_CASE_INSENSITIVE | OBJ_OPENIF | OBJ_PERMANENT,
2331  NULL,
2332  SmpPrimarySecurityDescriptor);
2333  Status = NtCreateDirectoryObject(&SmpSessionsObjectDirectory,
2334  DIRECTORY_ALL_ACCESS,
2335  &ObjectAttributes);
2336  if (!NT_SUCCESS(Status))
2337  {
2338  /* Fail */
2339  DPRINT1("SMSS: Unable to create %wZ object directory - Status == %lx\n",
2340  &DestinationString, Status);
2341  SMSS_CHECKPOINT(NtCreateDirectoryObject, Status);
2342  return Status;
2343  }
2344 
2345  /* Next loop all the boot execute binaries */
2346  Head = &SmpBootExecuteList;
2347  while (!IsListEmpty(Head))
2348  {
2349  /* Remove each one from the list */
2350  NextEntry = RemoveHeadList(Head);
2351 
2352  /* Execute it */
2353  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
2354  SmpExecuteCommand(&RegEntry->Name, 0, NULL, 0);
2355 
2356  /* And free it */
2357  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
2358  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
2359  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
2360  }
2361 
2362  /* Now do any pending file rename operations... */
2363  if (!MiniNTBoot) SmpProcessFileRenames();
2364 
2365  /* And initialize known DLLs... */
2366  Status = SmpInitializeKnownDlls();
2367  if (!NT_SUCCESS(Status))
2368  {
2369  /* Fail if that didn't work */
2370  DPRINT1("SMSS: Unable to initialize KnownDll configuration - Status == %lx\n",
2371  Status);
2372  SMSS_CHECKPOINT(SmpInitializeKnownDlls, Status);
2373  return Status;
2374  }
2375 
2376  /* Create the needed page files */
2377  if (!MiniNTBoot)
2378  {
2379  /* Loop every page file */
2380  Head = &SmpPagingFileList;
2381  while (!IsListEmpty(Head))
2382  {
2383  /* Remove each one from the list */
2384  NextEntry = RemoveHeadList(Head);
2385 
2386  /* Create the descriptor for it */
2387  RegEntry = CONTAINING_RECORD(NextEntry, SMP_REGISTRY_VALUE, Entry);
2388  SmpCreatePagingFileDescriptor(&RegEntry->Name);
2389 
2390  /* And free it */
2391  if (RegEntry->AnsiValue) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->AnsiValue);
2392  if (RegEntry->Value.Buffer) RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry->Value.Buffer);
2393  RtlFreeHeap(RtlGetProcessHeap(), 0, RegEntry);
2394  }
2395 
2396  /* Now create all the paging files for the descriptors that we have */
2397  SmpCreatePagingFiles();
2398  }
2399 
2400  /* Tell Cm it's now safe to fully enable write access to the registry */
2401  NtInitializeRegistry(CM_BOOT_FLAG_SMSS);
2402 
2403  /* Create all the system-based environment variables for later inheriting */
2404  Status = SmpCreateDynamicEnvironmentVariables();
2405  if (!NT_SUCCESS(Status))
2406  {
2407  /* Handle failure */
2408  SMSS_CHECKPOINT(SmpCreateDynamicEnvironmentVariables, Status);
2409  return Status;
2410  }
2411 
2412  /* And finally load all the subsystems for our first session! */
2413  Status = SmpLoadSubSystemsForMuSession(&MuSessionId,
2414  &SmpWindowsSubSysProcessId,
2415  InitialCommand);
2416  ASSERT(MuSessionId == 0);
2417  if (!NT_SUCCESS(Status)) SMSS_CHECKPOINT(SmpLoadSubSystemsForMuSession, Status);
2418  return Status;
2419 }
2420 
2421 NTSTATUS
2422 NTAPI
2423 SmpInit(IN PUNICODE_STRING InitialCommand,
2424  OUT PHANDLE ProcessHandle)
2425 {
2426  NTSTATUS Status, Status2;
2427  OBJECT_ATTRIBUTES ObjectAttributes;
2428  UNICODE_STRING PortName, EventName;
2429  HANDLE EventHandle, PortHandle;
2430  ULONG HardErrorMode;
2431 
2432  /* Create the SMSS Heap */
2433  SmBaseTag = RtlCreateTagHeap(RtlGetProcessHeap(),
2434  0,
2435  L"SMSS!",
2436  L"INIT");
2437  SmpHeap = RtlGetProcessHeap();
2438 
2439  /* Enable hard errors */
2440  HardErrorMode = TRUE;
2441  NtSetInformationProcess(NtCurrentProcess(),
2442  ProcessDefaultHardErrorMode,
2443  &HardErrorMode,
2444  sizeof(HardErrorMode));
2445 
2446  /* Initialize the subsystem list and the session list, plus their locks */
2447  RtlInitializeCriticalSection(&SmpKnownSubSysLock);
2448  InitializeListHead(&SmpKnownSubSysHead);
2449  RtlInitializeCriticalSection(&SmpSessionListLock);
2450  InitializeListHead(&SmpSessionListHead);
2451 
2452  /* Initialize the process list */
2453  InitializeListHead(&NativeProcessList);
2454 
2455  /* Initialize session parameters */
2456  SmpNextSessionId = 1;
2457  SmpNextSessionIdScanMode = 0;
2458  SmpDbgSsLoaded = FALSE;
2459 
2460  /* Create the initial security descriptors */
2461  Status = SmpCreateSecurityDescriptors(TRUE);
2462  if (!NT_SUCCESS(Status))
2463  {
2464  /* Fail */
2465  SMSS_CHECKPOINT(SmpCreateSecurityDescriptors, Status);
2466  return Status;
2467  }
2468 
2469  /* Initialize subsystem names */
2470  RtlInitUnicodeString(&SmpSubsystemName, L"NT-Session Manager");
2471  RtlInitUnicodeString(&PosixName, L"POSIX");
2472  RtlInitUnicodeString(&Os2Name, L"OS2");
2473 
2474  /* Create the SM API Port */
2475  RtlInitUnicodeString(&PortName, L"\\SmApiPort");
2476  InitializeObjectAttributes(&ObjectAttributes, &PortName, 0, NULL, SmpApiPortSecurityDescriptor);
2477  Status = NtCreatePort(&PortHandle,
2478  &ObjectAttributes,
2479  sizeof(SB_CONNECTION_INFO),
2480  sizeof(SM_API_MSG),
2481  sizeof(SB_API_MSG) * 32);
2482  ASSERT(NT_SUCCESS(Status));
2483  SmpDebugPort = PortHandle;
2484 
2485  /* Create two SM API threads */
2486  Status = RtlCreateUserThread(NtCurrentProcess(),
2487  NULL,
2488  FALSE,
2489  0,
2490  0,
2491  0,
2492  SmpApiLoop,
2493  PortHandle,
2494  NULL,
2495  NULL);
2496  ASSERT(NT_SUCCESS(Status));
2497  Status = RtlCreateUserThread(NtCurrentProcess(),
2498  NULL,
2499  FALSE,
2500  0,
2501  0,
2502  0,
2503  SmpApiLoop,
2504  PortHandle,
2505  NULL,
2506  NULL);
2507  ASSERT(NT_SUCCESS(Status));
2508 
2509  /* Create the write event that autochk can set after running */
2510  RtlInitUnicodeString(&EventName, L"\\Device\\VolumesSafeForWriteAccess");
2511  InitializeObjectAttributes(&ObjectAttributes,
2512  &EventName,
2513  OBJ_PERMANENT,
2514  NULL,
2515  NULL);
2516  Status2 = NtCreateEvent(&EventHandle,
2517  EVENT_ALL_ACCESS,
2518  &ObjectAttributes,
2519  0,
2520  0);
2521  if (!NT_SUCCESS(Status2))
2522  {
2523  /* Should never really fail */
2524  DPRINT1("SMSS: Unable to create %wZ event - Status == %lx\n",
2525  &EventName, Status2);
2526  ASSERT(NT_SUCCESS(Status2));
2527  }
2528 
2529  /* Now initialize everything else based on the registry parameters */
2530  Status = SmpLoadDataFromRegistry(InitialCommand);
2531  if (NT_SUCCESS(Status))
2532  {
2533  /* Autochk should've run now. Set the event and save the CSRSS handle */
2534  *ProcessHandle = SmpWindowsSubSysProcess;
2535  NtSetEvent(EventHandle, 0);
2536  NtClose(EventHandle);
2537  }
2538 
2539  /* All done */
2540  return Status;
2541 }
SmpDosDevicesObjectDirectory
HANDLE SmpDosDevicesObjectDirectory
Definition: sminit.c:26
CM_BOOT_FLAG_SMSS
#define CM_BOOT_FLAG_SMSS
Definition: cmtypes.h:158
_SECURITY_DESCRIPTOR
Definition: ms-dtyp.idl:301
_SYSTEM_BASIC_INFORMATION::NumberOfProcessors
CCHAR NumberOfProcessors
Definition: ntddk_ex.h:168
STATUS_OBJECT_NAME_COLLISION
#define STATUS_OBJECT_NAME_COLLISION
Definition: udferr_usr.h:150
_FILE_BASIC_INFORMATION::FileAttributes
ULONG FileAttributes
Definition: nt_native.h:943
PCHAR
signed char * PCHAR
Definition: retypes.h:7
_OBJECT_DIRECTORY_INFORMATION
Definition: obtypes.h:276
_SM_API_MSG
Definition: smmsg.h:90
ObjectAttributes
IN PUNICODE_STRING IN POBJECT_ATTRIBUTES ObjectAttributes
Definition: conport.c:35
SmpBootExecuteList
LIST_ENTRY SmpBootExecuteList
Definition: sminit.c:19
Unused
_Must_inspect_result_ typedef _In_ PVOID Unused
Definition: iotypes.h:1166
SmpInitLastCall
PVOID SmpInitLastCall
Definition: sminit.c:33
IN
#define IN
Definition: typedefs.h:39
GENERIC_ALL
#define GENERIC_ALL
Definition: nt_native.h:92
SECURITY_LOCAL_SYSTEM_RID
#define SECURITY_LOCAL_SYSTEM_RID
Definition: setypes.h:574
NtQuerySystemInformation
NTSYSAPI NTSTATUS NTAPI NtQuerySystemInformation(IN SYSTEM_INFORMATION_CLASS SystemInfoClass, OUT PVOID SystemInfoBuffer, IN ULONG SystemInfoBufferSize, OUT PULONG BytesReturned OPTIONAL)
SmpPrimarySDBody
SECURITY_DESCRIPTOR SmpPrimarySDBody
Definition: sminit.c:35
Length
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:101
NtCreateSection
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:3454
RtlQueryRegistryValues
NTSYSAPI NTSTATUS WINAPI RtlQueryRegistryValues(ULONG, PCWSTR, PRTL_QUERY_REGISTRY_TABLE, PVOID, PVOID)
_SID
Definition: ms-dtyp.idl:198
OBJ_CASE_INSENSITIVE
#define OBJ_CASE_INSENSITIVE
Definition: winternl.h:228
SMSS_CHECKPOINT
#define SMSS_CHECKPOINT(x, y)
Definition: sminit.c:43
KeyHandle
_Must_inspect_result_ _Out_ PNDIS_STATUS _In_ NDIS_HANDLE _In_ ULONG _Out_ PNDIS_STRING _Out_ PNDIS_HANDLE KeyHandle
Definition: ndis.h:4711
_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
Buffer
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Definition: sminit.c:28
SmpConfigureProtectionMode
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NTSTATUS
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_Must_inspect_result_ _In_ WDFKEY _In_ PCUNICODE_STRING _In_ ULONG _Out_opt_ PULONG _Out_opt_ PULONG ValueType
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SYMBOLIC_LINK_ALL_ACCESS
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struct _FILE_RENAME_INFORMATION FILE_RENAME_INFORMATION
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RegPosixSingleInstance
BOOLEAN RegPosixSingleInstance
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RtlCreateAcl
NTSYSAPI NTSTATUS NTAPI RtlCreateAcl(PACL Acl, ULONG AclSize, ULONG AclRevision)
RtlInitAnsiString
NTSYSAPI VOID NTAPI RtlInitAnsiString(PANSI_STRING DestinationString, PCSZ SourceString)
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LinkTarget
_Inout_ PUNICODE_STRING LinkTarget
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Definition: types.h:117
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Definition: sminit.c:24
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PISECURITY_DESCRIPTOR SmpLiberalSecurityDescriptor
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SmpConfigureAllowProtectedRenames
NTSTATUS NTAPI SmpConfigureAllowProtectedRenames(IN PWSTR ValueName, IN ULONG ValueType, IN PVOID ValueData, IN ULONG ValueLength, IN PVOID Context, IN PVOID EntryContext)
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Definition: nt_native.h:1501
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Definition: entries.cpp:35
GENERIC_WRITE
#define GENERIC_WRITE
Definition: nt_native.h:90
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Definition: sminit.c:429
SmpConfigureExcludeKnownDlls
NTSTATUS NTAPI SmpConfigureExcludeKnownDlls(IN PWSTR ValueName, IN ULONG ValueType, IN PVOID ValueData, IN ULONG ValueLength, IN PVOID Context, IN PVOID EntryContext)
Definition: sminit.c:381
RtlStringCbCopyNW
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_In_ PCWSTR _Inout_ _At_ QueryTable EntryContext
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Definition: setypes.h:43
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_Out_ _Inout_ POEM_STRING DestinationString
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RTL_QUERY_REGISTRY_SUBKEY
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_SB_API_MSG
Definition: smmsg.h:200
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NTSYSAPI NTSTATUS NTAPI RtlUnicodeStringToAnsiString(PANSI_STRING DestinationString, PUNICODE_STRING SourceString, BOOLEAN AllocateDestinationString)
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_wcsupr
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CONTAINING_RECORD
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_ACE_HEADER
Definition: ms-dtyp.idl:209
SE_DACL_DEFAULTED
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Value
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enum _FILE_INFORMATION_CLASS FILE_INFORMATION_CLASS
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struct _LIST_ENTRY * Flink
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NtOpenFile
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struct _FILE_RENAME_INFORMATION * PFILE_RENAME_INFORMATION
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_Must_inspect_result_ _In_ ULONG Flags
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_RTL_QUERY_REGISTRY_TABLE
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ASSERT
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__wchar_t WCHAR
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NTSYSAPI NTSTATUS NTAPI RtlInitializeCriticalSection(_In_ PRTL_CRITICAL_SECTION CriticalSection)
NT_SUCCESS
#define NT_SUCCESS(StatCode)
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ValueData
_In_ GUID _In_ PVOID ValueData
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SmpConfigureFileRenames
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Definition: sminit.c:350
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Definition: sminit.c:20
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PROCESSOR_ARCHITECTURE_AMD64
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static PPARTENTRY SystemPartition
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UNICODE_STRING SmpDebugKeyword
Definition: smutil.c:34
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_Must_inspect_result_ _In_ WDFKEY _In_ PCUNICODE_STRING ValueName
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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
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static SID_IDENTIFIER_AUTHORITY NtAuthority
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RtlCompareUnicodeString
ULONG RtlCompareUnicodeString(PUNICODE_STRING s1, PUNICODE_STRING s2, BOOLEAN UpCase)
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PHANDLE
PVOID *typedef PHANDLE
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List
_Must_inspect_result_ _In_ WDFCMRESLIST List
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FILE_EXECUTE
#define FILE_EXECUTE
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SmpCreatePagingFiles
NTSTATUS NTAPI SmpCreatePagingFiles(VOID)
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#define OBJ_PERMANENT
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FILE_NON_DIRECTORY_FILE
#define FILE_NON_DIRECTORY_FILE
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GENERIC_READ
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_LIST_ENTRY
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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
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int _cdecl swprintf(const WCHAR *,...)
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LIST_ENTRY SmpSessionListHead
Definition: smsessn.c:27
SmpLoadSubSystemsForMuSession
NTSTATUS NTAPI SmpLoadSubSystemsForMuSession(IN PULONG MuSessionId, OUT PHANDLE ProcessId, IN PUNICODE_STRING InitialCommand)
Definition: smsubsys.c:513
SmpExecuteCommand
NTSTATUS NTAPI SmpExecuteCommand(IN PUNICODE_STRING CommandLine, IN ULONG MuSessionId, OUT PHANDLE ProcessId, IN ULONG Flags)
Definition: smss.c:221
SmpInitializeKnownDllsInternal
NTSTATUS NTAPI SmpInitializeKnownDllsInternal(IN PUNICODE_STRING Directory, IN PUNICODE_STRING Path)
Definition: sminit.c:1400
SmpExecuteList
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Definition: sminit.c:22
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RTL_CRITICAL_SECTION SmpSessionListLock
Definition: smsessn.c:26
OBJECT_DIRECTORY_INFORMATION
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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_IO_STATUS_BLOCK
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SmpConfigureMemoryMgmt
NTSTATUS NTAPI SmpConfigureMemoryMgmt(IN PWSTR ValueName, IN ULONG ValueType, IN PVOID ValueData, IN ULONG ValueLength, IN PVOID Context, IN PVOID EntryContext)
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Definition: env_spec_w32.h:368
SmpDbgSsLoaded
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Definition: smsessn.c:30
FileName
struct _FileName FileName
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UNICODE_STRING SmpSubsystemName
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NtCreateDirectoryObject
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Definition: obdir.c:765
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ULONG SmpInitProgressByLine
Definition: sminit.c:31
SmpAllowProtectedRenames
ULONG SmpAllowProtectedRenames
Definition: sminit.c:40
Path
PRTL_UNICODE_STRING_BUFFER Path
Definition: RtlNtPathNameToDosPathName.c:10
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RTL_QUERY_REGISTRY_TABLE SmpRegistryConfigurationTable[]
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#define STATUS_INVALID_IMPORT_OF_NON_DLL
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SmpSessionsObjectDirectory
HANDLE SmpSessionsObjectDirectory
Definition: smsessn.c:31
wcsncpy
_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)
Definition: query.c:1105
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)
Definition: sminit.c:1627
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#define RTL_NUMBER_OF(x)
Definition: RtlRegistry.c:12
KEY_ALL_ACCESS
#define KEY_ALL_ACCESS
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RtlAnsiStringToUnicodeString
NTSYSAPI NTSTATUS NTAPI RtlAnsiStringToUnicodeString(PUNICODE_STRING DestinationString, PANSI_STRING SourceString, BOOLEAN AllocateDestinationString)
KEY_VALUE_PARTIAL_INFORMATION
struct _KEY_VALUE_PARTIAL_INFORMATION KEY_VALUE_PARTIAL_INFORMATION
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static const char const char * DllPath
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Definition: sminit.c:35
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Definition: sminit.c:40
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Definition: retypes.h:1
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Definition: entries.h:138
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Definition: sminit.c:27
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Definition: fltkernel.h:1713
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Definition: mmfuncs.h:403
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Definition: nt_native.h:91
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Definition: smutil.c:34
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Definition: pagefile.c:84
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Definition: setypes.h:746
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Definition: sminit.c:20
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base of all file and directory entries
Definition: entries.h:82
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_In_ ULONG AclLength
Definition: rtlfuncs.h:1842
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Definition: sminit.c:2218
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Definition: smsubsys.c:18
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Definition: smsubsys.c:19
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Definition: nt_native.h:57
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Definition: conport.c:35
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Definition: wdfregistry.h:271