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dll: debug: add diagnostic information for FileSystemControl requests/responses
This commit is contained in:
Bill Zissimopoulos
parent
5afe7a5315
commit
b7368336d2
146
src/dll/debug.c
146
src/dll/debug.c
@ -161,6 +161,99 @@ static const char *FspDebugLogVolumeInfoString(FSP_FSCTL_VOLUME_INFO *VolumeInfo
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return Buf;
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}
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static const char *FspDebugLogReparseDataString(PVOID ReparseData0, char *Buf)
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{
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union
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{
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PREPARSE_DATA_BUFFER D;
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PREPARSE_GUID_DATA_BUFFER G;
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} ReparseData;
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WCHAR SubstituteName[64 + 1], PrintName[64 + 1];
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ReparseData.D = ReparseData0;
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if (0 == ReparseData.D->ReparseDataLength)
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wsprintfA(Buf,
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"{"
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"ReparseTag=%#lx, "
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"ReparseDataLength=%hu"
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"}",
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ReparseData.D->ReparseTag, ReparseData.D->ReparseDataLength);
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else if (IO_REPARSE_TAG_MOUNT_POINT == ReparseData.D->ReparseTag)
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{
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memcpy(SubstituteName,
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ReparseData.D->MountPointReparseBuffer.PathBuffer +
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ReparseData.D->MountPointReparseBuffer.SubstituteNameOffset / sizeof(WCHAR),
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(int)min(sizeof SubstituteName - sizeof(WCHAR),
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ReparseData.D->MountPointReparseBuffer.SubstituteNameLength));
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SubstituteName[ReparseData.D->MountPointReparseBuffer.SubstituteNameLength / sizeof(WCHAR)] =
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L'\0';
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memcpy(PrintName,
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ReparseData.D->MountPointReparseBuffer.PathBuffer +
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ReparseData.D->MountPointReparseBuffer.PrintNameOffset / sizeof(WCHAR),
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(int)min(sizeof SubstituteName - sizeof(WCHAR),
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ReparseData.D->MountPointReparseBuffer.PrintNameLength));
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PrintName[ReparseData.D->MountPointReparseBuffer.PrintNameLength / sizeof(WCHAR)] =
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L'\0';
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wsprintfA(Buf,
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"{"
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"ReparseTag=IO_REPARSE_TAG_MOUNT_POINT, "
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"SubstituteName=\"%S\", "
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"PrintName=\"%S\""
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"}",
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SubstituteName,
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PrintName);
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}
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else if (IO_REPARSE_TAG_SYMLINK == ReparseData.D->ReparseTag)
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{
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memcpy(SubstituteName,
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ReparseData.D->SymbolicLinkReparseBuffer.PathBuffer +
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ReparseData.D->SymbolicLinkReparseBuffer.SubstituteNameOffset / sizeof(WCHAR),
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(int)min(sizeof SubstituteName - sizeof(WCHAR),
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ReparseData.D->SymbolicLinkReparseBuffer.SubstituteNameLength));
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SubstituteName[ReparseData.D->SymbolicLinkReparseBuffer.SubstituteNameLength / sizeof(WCHAR)] =
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L'\0';
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memcpy(PrintName,
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ReparseData.D->SymbolicLinkReparseBuffer.PathBuffer +
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ReparseData.D->SymbolicLinkReparseBuffer.PrintNameOffset / sizeof(WCHAR),
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(int)min(sizeof SubstituteName - sizeof(WCHAR),
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ReparseData.D->SymbolicLinkReparseBuffer.PrintNameLength));
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PrintName[ReparseData.D->SymbolicLinkReparseBuffer.PrintNameLength / sizeof(WCHAR)] =
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L'\0';
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wsprintfA(Buf,
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"{"
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"ReparseTag=IO_REPARSE_TAG_SYMLINK, "
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"SubstituteName=\"%S\", "
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"PrintName=\"%S\", "
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"Flags=%u"
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"}",
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SubstituteName,
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PrintName,
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ReparseData.D->SymbolicLinkReparseBuffer.Flags);
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}
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else if (IsReparseTagMicrosoft(ReparseData.D->ReparseTag))
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wsprintfA(Buf,
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"{"
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"ReparseTag=%#lx, "
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"ReparseDataLength=%hu"
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"}",
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ReparseData.D->ReparseTag, ReparseData.D->ReparseDataLength);
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else
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#define Guid ReparseData.G->ReparseGuid
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wsprintfA(Buf,
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"{"
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"ReparseTag=%#lx, "
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"ReparseDataLength=%hu, "
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"ReparseGuid={%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}"
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"}",
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ReparseData.G->ReparseTag, ReparseData.G->ReparseDataLength,
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Guid.Data1, Guid.Data2, Guid.Data3,
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Guid.Data4[0], Guid.Data4[1], Guid.Data4[2], Guid.Data4[3],
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Guid.Data4[4], Guid.Data4[5], Guid.Data4[6], Guid.Data4[7]);
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#undef Guid
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return Buf;
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}
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static VOID FspDebugLogRequestVoid(FSP_FSCTL_TRANSACT_REQ *Request, const char *Name)
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{
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FspDebugLog("%S[TID=%04lx]: %p: >>%s\n",
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@ -178,6 +271,7 @@ FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request)
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{
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char UserContextBuf[40];
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char CreationTimeBuf[32], LastAccessTimeBuf[32], LastWriteTimeBuf[32];
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char InfoBuf[256];
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char *Sddl = 0;
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switch (Request->Kind)
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@ -368,6 +462,7 @@ FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request)
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FspDebugLogUserContextString(
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Request->Req.SetInformation.UserContext, Request->Req.SetInformation.UserContext2,
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UserContextBuf));
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break;
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}
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break;
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case FspFsctlTransactQueryEaKind:
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@ -423,7 +518,45 @@ FSP_API VOID FspDebugLogRequest(FSP_FSCTL_TRANSACT_REQ *Request)
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Request->Req.QueryDirectory.Pattern.Size ? "\"" : "");
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break;
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case FspFsctlTransactFileSystemControlKind:
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FspDebugLogRequestVoid(Request, "FILESYSTEMCONTROL");
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switch (Request->Req.FileSystemControl.FsControlCode)
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{
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case FSCTL_GET_REPARSE_POINT:
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FspDebugLog("%S[TID=%04lx]: %p: >>FileSystemControl [FSCTL_GET_REPARSE_POINT] %s%S%s%s\n",
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FspDiagIdent(), GetCurrentThreadId(), Request->Hint,
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Request->FileName.Size ? "\"" : "",
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Request->FileName.Size ? (PWSTR)Request->Buffer : L"",
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Request->FileName.Size ? "\", " : "",
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FspDebugLogUserContextString(
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Request->Req.FileSystemControl.UserContext, Request->Req.FileSystemControl.UserContext2,
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UserContextBuf));
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break;
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case FSCTL_SET_REPARSE_POINT:
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case FSCTL_DELETE_REPARSE_POINT:
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FspDebugLog("%S[TID=%04lx]: %p: >>FileSystemControl [%s] %s%S%s%s "
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"ReparseData=%s\n",
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FspDiagIdent(), GetCurrentThreadId(), Request->Hint,
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FSCTL_SET_REPARSE_POINT == Request->Req.FileSystemControl.FsControlCode ?
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"FSCTL_SET_REPARSE_POINT" : "FSCTL_DELETE_REPARSE_POINT",
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Request->FileName.Size ? "\"" : "",
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Request->FileName.Size ? (PWSTR)Request->Buffer : L"",
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Request->FileName.Size ? "\", " : "",
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FspDebugLogUserContextString(
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Request->Req.FileSystemControl.UserContext, Request->Req.FileSystemControl.UserContext2,
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UserContextBuf),
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FspDebugLogReparseDataString(Request->Buffer + Request->Req.FileSystemControl.Buffer.Offset,
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InfoBuf));
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break;
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default:
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FspDebugLog("%S[TID=%04lx]: %p: >>FileSystemControl [INVALID] %s%S%s%s\n",
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FspDiagIdent(), GetCurrentThreadId(), Request->Hint,
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Request->FileName.Size ? "\"" : "",
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Request->FileName.Size ? (PWSTR)Request->Buffer : L"",
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Request->FileName.Size ? "\", " : "",
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FspDebugLogUserContextString(
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Request->Req.FileSystemControl.UserContext, Request->Req.FileSystemControl.UserContext2,
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UserContextBuf));
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break;
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}
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break;
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case FspFsctlTransactDeviceControlKind:
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FspDebugLogRequestVoid(Request, "DEVICECONTROL");
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@ -590,7 +723,16 @@ FSP_API VOID FspDebugLogResponse(FSP_FSCTL_TRANSACT_RSP *Response)
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FspDebugLogResponseStatus(Response, "QueryDirectory");
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break;
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case FspFsctlTransactFileSystemControlKind:
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FspDebugLogResponseStatus(Response, "FILESYSTEMCONTROL");
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if (!NT_SUCCESS(Response->IoStatus.Status) ||
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0 == Response->Rsp.FileSystemControl.Buffer.Size)
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FspDebugLogResponseStatus(Response, "FileSystemControl");
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else
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FspDebugLog("%S[TID=%04lx]: %p: <<FileSystemControl IoStatus=%lx[%ld] "
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"ReparseData=%s\n",
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FspDiagIdent(), GetCurrentThreadId(), Response->Hint,
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Response->IoStatus.Status, Response->IoStatus.Information,
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FspDebugLogReparseDataString(Response->Buffer + Response->Rsp.FileSystemControl.Buffer.Offset,
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InfoBuf));
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break;
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case FspFsctlTransactDeviceControlKind:
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FspDebugLogResponseStatus(Response, "DEVICECONTROL");
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