pastebin - collaborative debugging tool
nrubsig.kpaste.net RSS

Difference between
modified post 646d8f0 by Anonymous on Wed 18th Dec 2024 10:13
original post 817e by Anonymous on Mon 16th Dec 2024 17:51
Download diff
Show old version | new version | both versions

    
1-
diff --git a/sys/nfs41sys_driver.h b/sys/nfs41sys_driver.h
1+
diff --git a/build.vc19/nfs41_driver/nfs41_driver.vcxproj b/build.vc19/nfs41_driver/nfs41_driver.vcxproj
2-
index 1c39ab6..0e0107c 100644
2+
index 0affe23..9c55630 100644
3-
--- a/sys/nfs41sys_driver.h
3+
--- a/build.vc19/nfs41_driver/nfs41_driver.vcxproj
4-
+++ b/sys/nfs41sys_driver.h
4+
+++ b/build.vc19/nfs41_driver/nfs41_driver.vcxproj
5-
@@ -48,8 +48,10 @@
5+
@@ -144,7 +144,7 @@
6-
     (POOL_FLAG_UNINITIALIZED|POOL_FLAG_CACHE_ALIGNED)
6+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>
7-


7+
     </ClCompile>


8-
 #define RxAllocatePoolWithTag(rxallocpool, numbytes, tag) \


8+
     <Link>


9-
-    ExAllocatePool2(((((rxallocpool) == NonPagedPoolNx)? \


9+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


10-
-            POOL_FLAG_NON_PAGED:POOL_FLAG_NON_PAGED_EXECUTE) | \


10+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


11-
+    ExAllocatePool2((( \


11+
     </Link>


12-
+            ((rxallocpool) == PagedPool)?POOL_FLAG_PAGED: \


12+
   </ItemDefinitionGroup>


13-
+                (((rxallocpool) == NonPagedPoolNx)? \


13+
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">


14-
+                    POOL_FLAG_NON_PAGED:POOL_FLAG_NON_PAGED_EXECUTE)) | \


14+
@@ -158,7 +158,7 @@


15-
             RXALLOCATEPOOL_DEFAULT_ALLOCATEPOOL2FLAGS), \


15+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>


16-
         (numbytes), (tag))


16+
     </ClCompile>


17-
 #endif /* EXALLOCATEPOOLWITHTAG_DEPRECATED */


17+
     <Link>


18-
diff --git a/sys/nfs41sys_readwrite.c b/sys/nfs41sys_readwrite.c


18+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


19-
index 050819c..b34a4a3 100644


19+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


20-
--- a/sys/nfs41sys_readwrite.c


20+
     </Link>


21-
+++ b/sys/nfs41sys_readwrite.c


21+
   </ItemDefinitionGroup>


22-
@@ -58,6 +58,7 @@


22+
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">


23-
 #include <winerror.h>


23+
@@ -172,7 +172,7 @@


24-


24+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>


25-
 #include <Ntstrsafe.h>


25+
     </ClCompile>


26-
+#include <stdbool.h>


26+
     <Link>


27-


27+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


28-
 #include "nfs41sys_buildconfig.h"


28+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


29-


29+
     </Link>


30-
@@ -333,7 +334,7 @@ NTSTATUS nfs41_Write(


30+
     <DriverSign>


31-
     IN OUT PRX_CONTEXT RxContext)


31+
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>


32-
 {


32+
@@ -189,7 +189,7 @@


33-
     NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;


33+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>


34-
-    nfs41_updowncall_entry *entry;


34+
     </ClCompile>


35-
+    nfs41_updowncall_entry *entry = NULL;


35+
     <Link>


36-
     BOOLEAN async = FALSE;


36+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


37-
     PLOWIO_CONTEXT LowIoContext  = &RxContext->LowIoContext;


37+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


38-
     __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;


38+
     </Link>


39-
@@ -344,6 +345,11 @@ NTSTATUS nfs41_Write(


39+
     <DriverSign>


40-
     __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);


40+
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>


41-
     __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);


41+
@@ -206,7 +206,7 @@


42-
     DWORD io_delay;


42+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>


43-
+#if 1


43+
     </ClCompile>


44-
+    void *userbuffer_mem = NULL;


44+
     <Link>


45-
+    PMDL userbuffer_mdl = NULL;


45+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


46-
+    PVOID UserBuffer = NULL;


46+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


47-
+#endif


47+
     </Link>


48-
 #ifdef ENABLE_TIMINGS


48+
   </ItemDefinitionGroup>


49-
     LARGE_INTEGER t1, t2;


49+
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">


50-
     t1 = KeQueryPerformanceCounter(NULL);


50+
@@ -220,7 +220,7 @@


51-
@@ -362,9 +368,43 @@ NTSTATUS nfs41_Write(


51+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>


52-
         pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);


52+
     </ClCompile>


53-
     if (status) goto out;


53+
     <Link>


54-


54+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


55-
+#if 1


55+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


56-
+    userbuffer_mem = RxAllocatePoolWithTag(NonPagedPoolNx,


56+
     </Link>


57-
+        LowIoContext->ParamsFor.ReadWrite.ByteCount,


57+
   </ItemDefinitionGroup>


58-
+        NFS41_MM_POOLTAG_DOWN);


58+
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">


59-
+    if (userbuffer_mem == NULL) {


59+
@@ -234,7 +234,7 @@


60-
+        status = STATUS_NO_MEMORY;


60+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>


61-
+        goto out;


61+
     </ClCompile>


62-
+    }


62+
     <Link>


63-
+


63+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


64-
+    UserBuffer = RxLowIoGetBufferAddress(RxContext);


64+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


65-
+    if (UserBuffer == NULL) {


65+
     </Link>


66-
+        status = STATUS_NO_MEMORY;


66+
     <DriverSign>


67-
+        goto out;


67+
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>


68-
+    }


68+
@@ -251,7 +251,7 @@


69-
+


69+
       <AdditionalOptions>/std:c17 /Zc:preprocessor- /kernel /wd4100 /wd4201 /wd5104</AdditionalOptions>


70-
+    userbuffer_mdl = IoAllocateMdl(userbuffer_mem,


70+
     </ClCompile>


71-
+        LowIoContext->ParamsFor.ReadWrite.ByteCount,


71+
     <Link>


72-
+        FALSE, FALSE, NULL);


72+
-      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib</AdditionalDependencies>


73-
+    if (userbuffer_mdl == NULL) {


73+
+      <AdditionalDependencies>$(DDK_LIB_PATH)\ntoskrnl.lib;$(DDK_LIB_PATH)\hal.lib;$(DDK_LIB_PATH)\BufferOverflowfastfailK.lib;$(DDK_LIB_PATH)\ksecdd.lib;$(DDK_LIB_PATH)\rxce.lib;$(DDK_LIB_PATH)\rdbsslib.lib;$(DDK_LIB_PATH)\tdi.lib</AdditionalDependencies>


74-
+        status = STATUS_NO_MEMORY;


74+
     </Link>


75-
+        goto out;


75+
     <DriverSign>


76-
+    }


76+
       <FileDigestAlgorithm>sha256</FileDigestAlgorithm>


77-
+


77+
diff --git a/sys/nfs41sys_driver.h b/sys/nfs41sys_driver.h


78-
+    MmProbeAndLockPages(userbuffer_mdl, KernelMode, IoModifyAccess);


78+
index 1c39ab6..0e0107c 100644


79-
+


79+
--- a/sys/nfs41sys_driver.h


80-
+    (void)RtlCopyMemory(userbuffer_mem,


80+
+++ b/sys/nfs41sys_driver.h


81-
+        ((char *)UserBuffer)+LowIoContext->ParamsFor.ReadWrite.ByteOffset,


81+
@@ -48,8 +48,10 @@


82-
+        LowIoContext->ParamsFor.ReadWrite.ByteCount);


82+
     (POOL_FLAG_UNINITIALIZED|POOL_FLAG_CACHE_ALIGNED)


9283


93-
     if (FlagOn(RxContext->CurrentIrpSp->FileObject->Flags,


84+
 #define RxAllocatePoolWithTag(rxallocpool, numbytes, tag) \


94-
             FO_SYNCHRONOUS_IO) == FALSE) {


85+
-    ExAllocatePool2(((((rxallocpool) == NonPagedPoolNx)? \


95-
@@ -420,6 +460,17 @@ NTSTATUS nfs41_Write(


86+
-            POOL_FLAG_NON_PAGED:POOL_FLAG_NON_PAGED_EXECUTE) | \


96-
     }


87+
+    ExAllocatePool2((( \


97-
     nfs41_UpcallDestroy(entry);


88+
+            ((rxallocpool) == PagedPool)?POOL_FLAG_PAGED: \


98-
 out:


89+
+                (((rxallocpool) == NonPagedPoolNx)? \


99-
+#if 1


90+
+                    POOL_FLAG_NON_PAGED:POOL_FLAG_NON_PAGED_EXECUTE)) | \


100-
+    if (!async) {


91+
             RXALLOCATEPOOL_DEFAULT_ALLOCATEPOOL2FLAGS), \


101-
+        if (userbuffer_mdl) {


92+
         (numbytes), (tag))


102-
+            IoFreeMdl(userbuffer_mdl);


93+
 #endif /* EXALLOCATEPOOLWITHTAG_DEPRECATED */


103-
+        }


94+
diff --git a/sys/nfs41sys_readwrite.c b/sys/nfs41sys_readwrite.c


104-
+        if (userbuffer_mem) {


95+
index 050819c..a70ead2 100644


105-
+            RxFreePool(userbuffer_mem);


96+
--- a/sys/nfs41sys_readwrite.c


106-
+        }


97+
+++ b/sys/nfs41sys_readwrite.c


107-
+    }


98+
@@ -58,6 +58,8 @@


108-
+#endif


99+
 #include <winerror.h>


113100


114-


101+
 #include <Ntstrsafe.h>


115-


102+
+#include <stdbool.h>


116-


103+
+#include <tdikrnl.h>


117104


118-


105+
 #include "nfs41sys_buildconfig.h"


119106


120-


107+
@@ -333,7 +335,7 @@ NTSTATUS nfs41_Write(


121-


108+
     IN OUT PRX_CONTEXT RxContext)


122-


109+
 {


123-


110+
     NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES;


124-


111+
-    nfs41_updowncall_entry *entry;


125-


112+
+    nfs41_updowncall_entry *entry = NULL;


126-


113+
     BOOLEAN async = FALSE;


127-


114+
     PLOWIO_CONTEXT LowIoContext  = &RxContext->LowIoContext;


128-


115+
     __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;


129-


116+
@@ -344,6 +346,11 @@ NTSTATUS nfs41_Write(


130-


117+
     __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb);


131-


118+
     __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx);


132-


119+
     DWORD io_delay;


133-


120+
+#if 1


134-


121+
+    void *userbuffer_mem = NULL;


135-


122+
+    PMDL userbuffer_mdl = NULL;


136-


123+
+//    PVOID UserBuffer = NULL;


137-


124+
+#endif


138-


125+
 #ifdef ENABLE_TIMINGS


139-


126+
     LARGE_INTEGER t1, t2;


140-


127+
     t1 = KeQueryPerformanceCounter(NULL);


141-


128+
@@ -362,9 +369,151 @@ NTSTATUS nfs41_Write(


142-


129+
         pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry);


143-


130+
     if (status) goto out;


144131


145-


132+
+#if 1


146-


133+
+    ULONG padded_readwrite_bytecount = LowIoContext->ParamsFor.ReadWrite.ByteCount + (8192) /* fixme */;


147-


134+
+


148-


135+
+#if 1


149-


136+
+    userbuffer_mem = ExAllocatePool2(POOL_FLAG_PAGED, padded_readwrite_bytecount, NFS41_MM_POOLTAG_DOWN);


150-


137+
+#else


151-


138+
+    userbuffer_mem = RxAllocatePoolWithTag(NonPagedPoolNx,


152-


139+
+        padded_readwrite_bytecount,


153-


140+
+        NFS41_MM_POOLTAG_DOWN);


154-


141+
+#endif


155-


142+
+    if (userbuffer_mem == NULL) {


156-


143+
+        status = STATUS_NO_MEMORY;


157-


144+
+        goto out;


158-


145+
+    }


159-


146+
+


160-


147+
+    RtlZeroMemory(userbuffer_mem, padded_readwrite_bytecount);


161-


148+
+#if 0


162-


149+
+    UserBuffer = RxLowIoGetBufferAddress(RxContext);


163-


150+
+    if (UserBuffer == NULL) {


164-


151+
+        status = STATUS_NO_MEMORY;


165-


152+
+        goto out;


166-


153+
+    }


167-


154+
+#endif


168-


155+
+    userbuffer_mdl = IoAllocateMdl(userbuffer_mem,


169-


156+
+        padded_readwrite_bytecount,


170-


157+
+        FALSE, FALSE, NULL);


171-


158+
+    if (userbuffer_mdl == NULL) {


172-


159+
+        status = STATUS_NO_MEMORY;


173-


160+
+        goto out;


174-


161+
+    }


175-


162+
+


176-


163+
+#if 1


177-


164+
+#pragma warning( push )


178-


165+
+/*


179-


166+
+ * C28145: "The opaque MDL structure should not be modified by a


180-


167+
+ * driver.", |MDL_MAPPING_CAN_FAIL| is the exception


181-


168+
+ */


182-


169+
+#pragma warning (disable : 28145)


183-


170+
+        userbuffer_mdl->MdlFlags |= MDL_MAPPING_CAN_FAIL;


184-


171+
+#pragma warning( pop )


185-


172+
+#endif


186-


173+
+


187-


174+
+    MmProbeAndLockPages(userbuffer_mdl, KernelMode, IoModifyAccess);


188-


175+
+


189-


176+
+#if 1


190-


177+
+


191-


178+
+#if 1


192-


179+
+    PVOID Src;


193-


180+
+


194-


181+
+    if ((Src = MmGetSystemAddressForMdlSafe(LowIoContext->ParamsFor.ReadWrite.Buffer, NormalPagePriority)) == NULL) {


195-


182+
+        return STATUS_INSUFFICIENT_RESOURCES;


196-


183+
+    }


197-


184+
+


198-


185+
+    ULONG mdl_bytecount = MmGetMdlByteCount(LowIoContext->ParamsFor.ReadWrite.Buffer);


199-


186+
+


200-


187+
+    if (mdl_bytecount < LowIoContext->ParamsFor.ReadWrite.ByteCount) {


201-


188+
+        DbgP("#### ERROR: mdl_bytecount(=%lld) < LowIoContext->ParamsFor.ReadWrite.ByteCount(=%lld)\n",


202-


189+
+            (long long)mdl_bytecount,


203-


190+
+            (long long)LowIoContext->ParamsFor.ReadWrite.ByteCount);


204-


191+
+        DbgP("ReadWrite.Buffer=(Next=0x%p, Size=%ld, MdlFlags=0x%lx, "


205-


192+
+            "Process=0x%p, MappedSystemVa=0x%p, StartVa=0x%p, "


206-


193+
+            "ByteCount=%ld, ByteOffset=%ld)\n",


207-


194+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->Next,


208-


195+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->Size,


209-


196+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->MdlFlags,


210-


197+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->Process,


211-


198+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->MappedSystemVa,


212-


199+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->StartVa,


213-


200+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->ByteCount,


214-


201+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->ByteOffset);


215-


202+
+        return STATUS_INTERNAL_ERROR;


216-


203+
+    }


217-


204+
+


218-


205+
+#if 1


219-


206+
+    volatile char *cp_dest = userbuffer_mem;


220-


207+
+    volatile char *cp_src = ((char *)Src)+LowIoContext->ParamsFor.ReadWrite.ByteOffset;


221-


208+
+    volatile char tmpbyte;


222-


209+
+


223-


210+
+    long long cp_i;


224-


211+
+


225-


212+
+    long long cp_max = LowIoContext->ParamsFor.ReadWrite.ByteCount;


226-


213+
+


227-


214+
+    if (LowIoContext->ParamsFor.ReadWrite.ByteOffset)


228-


215+
+        cp_max--;


229-


216+
+


230-


217+
+    for (cp_i = 0 ; cp_i < cp_max ; cp_i++) {


231-


218+
+        tmpbyte = *cp_src++;


232-


219+
+


233-


220+
+        *cp_dest++ = tmpbyte;


234-


221+
+    }


235-


222+
+#else


236-


223+
+    (void)RtlCopyMemory(userbuffer_mem,


237-


224+
+        ((char *)Src)+LowIoContext->ParamsFor.ReadWrite.ByteOffset,


238-


225+
+        LowIoContext->ParamsFor.ReadWrite.ByteCount);


239-


226+
+#endif


240-


227+
+#else


241-


228+
+    ULONG bytescopied = 0UL;


242-


229+
+    NTSTATUS tdi_status;


243-


230+
+


244-


231+
+    tdi_status = TdiCopyMdlToBuffer(LowIoContext->ParamsFor.ReadWrite.Buffer,


245-


232+
+        (ULONG)LowIoContext->ParamsFor.ReadWrite.ByteOffset /* fixme: Add assert LONGLONG2ULONG cast */,


246-


233+
+        userbuffer_mem,


247-


234+
+        0,


248-


235+
+        LowIoContext->ParamsFor.ReadWrite.ByteCount+1,


249-


236+
+        &bytescopied);


250-


237+
+


251-


238+
+    if (((tdi_status != STATUS_SUCCESS) && (tdi_status != STATUS_BUFFER_OVERFLOW)) ||


252-


239+
+        (bytescopied != LowIoContext->ParamsFor.ReadWrite.ByteCount)) {


253-


240+
+        DbgP("#### ERROR: tdi_status=0x%lx || (bytescopied(=%lld) != ReadWrite.ByteCount(=%lld))\n",


254-


241+
+            (long)tdi_status,


255-


242+
+            (long long)bytescopied,


256-


243+
+            (long long)LowIoContext->ParamsFor.ReadWrite.ByteCount);


257-


244+
+        DbgP("ReadWrite.Buffer=(Next=0x%p, Size=%ld, MdlFlags=0x%lx, "


258-


245+
+            "Process=0x%p, MappedSystemVa=0x%p, StartVa=0x%p, "


259-


246+
+            "ByteCount=%ld, ByteOffset=%ld)\n",


260-


247+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->Next,


261-


248+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->Size,


262-


249+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->MdlFlags,


263-


250+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->Process,


264-


251+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->MappedSystemVa,


265-


252+
+            (void *)LowIoContext->ParamsFor.ReadWrite.Buffer->StartVa,


266-


253+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->ByteCount,


267-


254+
+            (long)LowIoContext->ParamsFor.ReadWrite.Buffer->ByteOffset);


268-


255+
+    }


269-


256+
+    if ((bytescopied == 0) && (LowIoContext->ParamsFor.ReadWrite.ByteCount > 0)) {


270-


257+
+        DbgP("requesting STATUS_RETRY\n");


271-


258+
+//        status = STATUS_RETRY;


272-


259+
+//        goto out;


273-


260+
+    }


274-


261+
+


275-


262+
+#endif


276-


263+
+#else


277-


264+
+    (void)RtlCopyMemory(userbuffer_mem,


278-


265+
+        ((char *)UserBuffer)+LowIoContext->ParamsFor.ReadWrite.ByteOffset,


279-


266+
+        LowIoContext->ParamsFor.ReadWrite.ByteCount);


280-


267+
+#endif


281-


268+
+


282-


269+
+    entry->u.ReadWrite.MdlAddress = userbuffer_mdl;


283-


270+
+    entry->buf_len = LowIoContext->ParamsFor.ReadWrite.ByteCount;


284-


271+
+    entry->u.ReadWrite.offset = 0;


285-


272+
+#else


286-


273+
     entry->u.ReadWrite.MdlAddress = LowIoContext->ParamsFor.ReadWrite.Buffer;


287-


274+
     entry->buf_len = LowIoContext->ParamsFor.ReadWrite.ByteCount;


288-


275+
     entry->u.ReadWrite.offset = LowIoContext->ParamsFor.ReadWrite.ByteOffset;


289-


276+
+#endif


290277


291-


278+
     if (FlagOn(RxContext->CurrentIrpSp->FileObject->Flags,


292-


279+
             FO_SYNCHRONOUS_IO) == FALSE) {


293-


280+
@@ -420,6 +569,17 @@ NTSTATUS nfs41_Write(


294-


281+
     }


295-


282+
     nfs41_UpcallDestroy(entry);


296-


283+
 out:


297-


284+
+#if 1


298-


285+
+    if (!async) {


299-


286+
+        if (userbuffer_mdl) {


300-


287+
+            IoFreeMdl(userbuffer_mdl);


301-


288+
+        }


302-


289+
+        if (userbuffer_mem) {


303-


290+
+            RxFreePool(userbuffer_mem);


304-


291+
+        }


305-


292+
+    }


306-


293+
+#endif


307-


294+
+


308-


295+
 #ifdef ENABLE_TIMINGS


309-


296+
     t2 = KeQueryPerformanceCounter(NULL);


310-


297+
     InterlockedIncrement(&write.tops);


311298








Submit a correction or amendment below (click here to make a fresh posting)
After submitting an amendment, you'll be able to view the differences between the old and new posts easily.





 
Syntax highlighting:





To highlight particular lines, prefix each line with {%HIGHLIGHT}










 
























































All content is user-submitted.

The administrators of this site (kpaste.net) are not responsible for their content.

Abuse reports should be emailed to us at