597 lines
16 KiB
C
597 lines
16 KiB
C
/*++
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Copyright (c) 1998-1999 Microsoft Corporation
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Module Name:
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config.c
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Abstract:
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User-mode interface to UL.SYS.
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Author:
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Keith Moore (keithmo) 15-Dec-1998
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Revision History:
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--*/
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#include "precomp.h"
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//
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// Private macros.
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//
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#ifndef DIFF
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#define DIFF(x) ((size_t)(x))
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#endif
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//
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// Private prototypes.
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//
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//
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// Public functions.
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//
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/***************************************************************************++
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Routine Description:
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Creates a new configuration group.
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Arguments:
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ControlChannelHandle - Supplies a control channel handle.
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pConfigGroupId - Receives an opaque identifier for the new
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configuration group.
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Return Value:
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ULONG - Completion status.
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--***************************************************************************/
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ULONG
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WINAPI
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HttpCreateConfigGroup(
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IN HANDLE ControlChannelHandle,
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OUT PHTTP_CONFIG_GROUP_ID pConfigGroupId
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)
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{
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NTSTATUS status;
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HTTP_CONFIG_GROUP_INFO configGroupInfo;
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//
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// Make the request.
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//
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status = HttpApiSynchronousDeviceControl(
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ControlChannelHandle, // FileHandle
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IOCTL_HTTP_CREATE_CONFIG_GROUP, // IoControlCode
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NULL, // pInputBuffer
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0, // InputBufferLength
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&configGroupInfo, // pOutputBuffer
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sizeof(configGroupInfo), // OutputBufferLength
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NULL // pBytesTransferred
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);
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if (NT_SUCCESS(status))
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{
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//
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// Retrieve the container ID.
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//
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*pConfigGroupId = configGroupInfo.ConfigGroupId;
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}
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return HttpApiNtStatusToWin32Status( status );
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} // HttpCreateConfigGroup
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/***************************************************************************++
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Routine Description:
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Deletes an existing configuration group.
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Arguments:
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ControlChannelHandle - Supplies a control channel handle.
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ConfigGroupId - Supplies an identifier as returned by
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HttpCreateConfigGroup().
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Return Value:
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ULONG - Completion status.
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--***************************************************************************/
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ULONG
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WINAPI
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HttpDeleteConfigGroup(
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IN HANDLE ControlChannelHandle,
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IN HTTP_CONFIG_GROUP_ID ConfigGroupId
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)
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{
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NTSTATUS status;
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HTTP_CONFIG_GROUP_INFO configGroupInfo;
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//
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// Initialize the input structure.
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//
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configGroupInfo.ConfigGroupId = ConfigGroupId;
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//
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// Make the request.
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//
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status = HttpApiSynchronousDeviceControl(
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ControlChannelHandle, // FileHandle
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IOCTL_HTTP_DELETE_CONFIG_GROUP, // IoControlCode
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&configGroupInfo, // pInputBuffer
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sizeof(configGroupInfo), // InputBufferLength
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NULL, // pOutputBuffer
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0, // OutputBufferLength
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NULL // pBytesTransferred
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);
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return HttpApiNtStatusToWin32Status( status );
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} // HttpDeleteConfigGroup
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/***************************************************************************++
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Routine Description:
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Adds a fully qualified URL to an configuration group.
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Arguments:
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ControlChannelHandle - Supplies a control channel handle.
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ConfigGroupId - Supplies an identifier as returned by
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HttpCreateConfigGroup().
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pFullyQualifiedUrl - Supplies the fully qualified URL to add to the
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container.
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UrlContext - Supplies an uninterpreted context to be associated with
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the URL.
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Return Value:
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ULONG - Completion status.
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--***************************************************************************/
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ULONG
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WINAPI
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HttpAddUrlToConfigGroup(
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IN HANDLE ControlChannelHandle,
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IN HTTP_CONFIG_GROUP_ID ConfigGroupId,
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IN PCWSTR pFullyQualifiedUrl,
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IN HTTP_URL_CONTEXT UrlContext
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)
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{
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NTSTATUS status;
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HTTP_CONFIG_GROUP_URL_INFO urlInfo;
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//
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// Initialize the input structure.
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//
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urlInfo.ConfigGroupId = ConfigGroupId;
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urlInfo.UrlContext = UrlContext;
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RtlInitUnicodeString( &urlInfo.FullyQualifiedUrl, pFullyQualifiedUrl );
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//
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// Make the request.
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//
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status = HttpApiSynchronousDeviceControl(
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ControlChannelHandle, // FileHandle
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IOCTL_HTTP_ADD_URL_TO_CONFIG_GROUP, // IoControlCode
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&urlInfo, // pInputBuffer
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sizeof(urlInfo), // InputBufferLength
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NULL, // pOutputBuffer
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0, // OutputBufferLength
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NULL // pBytesTransferred
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);
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return HttpApiNtStatusToWin32Status( status );
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} // HttpAddUrlToConfigGroup
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/***************************************************************************++
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Routine Description:
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Removes a fully qualified URL from an configuration group.
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Arguments:
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ControlChannelHandle - Supplies a control channel handle.
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ConfigGroupId - Supplies an identifier as returned by
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HttpCreateConfigGroup().
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pFullyQualifiedUrl - Supplies the fully qualified URL to remove from
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the container.
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Return Value:
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ULONG - Completion status.
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--***************************************************************************/
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ULONG
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WINAPI
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HttpRemoveUrlFromConfigGroup(
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IN HANDLE ControlChannelHandle,
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IN HTTP_CONFIG_GROUP_ID ConfigGroupId,
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IN PCWSTR pFullyQualifiedUrl
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)
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{
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NTSTATUS status;
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HTTP_CONFIG_GROUP_URL_INFO urlInfo;
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//
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// Initialize the input structure.
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//
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urlInfo.ConfigGroupId = ConfigGroupId;
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RtlInitUnicodeString( &urlInfo.FullyQualifiedUrl, pFullyQualifiedUrl );
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//
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// Make the request.
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//
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status = HttpApiSynchronousDeviceControl(
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ControlChannelHandle, // FileHandle
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IOCTL_HTTP_REMOVE_URL_FROM_CONFIG_GROUP, // IoControlCode
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&urlInfo, // pInputBuffer
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sizeof(urlInfo), // InputBufferLength
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NULL, // pOutputBuffer
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0, // OutputBufferLength
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NULL // pBytesTransferred
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);
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return HttpApiNtStatusToWin32Status( status );
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} // HttpRemoveUrlFromConfigGroup
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/***************************************************************************++
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Routine Description:
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Removes all URLs from an configuration group.
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Arguments:
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ControlChannelHandle - Supplies a control channel handle.
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ConfigGroupId - Supplies an identifier as returned by
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HttpCreateConfigGroup().
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Return Value:
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ULONG - Completion status.
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--***************************************************************************/
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ULONG
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WINAPI
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HttpRemoveAllUrlsFromConfigGroup(
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IN HANDLE ControlChannelHandle,
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IN HTTP_CONFIG_GROUP_ID ConfigGroupId
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)
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{
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NTSTATUS status;
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HTTP_REMOVE_ALL_URLS_INFO urlInfo;
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//
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// Initialize the input structure.
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//
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urlInfo.ConfigGroupId = ConfigGroupId;
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//
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// Make the request.
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//
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status = HttpApiSynchronousDeviceControl(
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ControlChannelHandle, // FileHandle
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IOCTL_HTTP_REMOVE_ALL_URLS_FROM_CONFIG_GROUP, // IoControlCode
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&urlInfo, // pInputBuffer
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sizeof(urlInfo), // InputBufferLength
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NULL, // pOutputBuffer
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0, // OutputBufferLength
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NULL // pBytesTransferred
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);
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return HttpApiNtStatusToWin32Status( status );
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} // HttpRemoveAllUrlsFromConfigGroup
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/***************************************************************************++
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Routine Description:
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Queries information from an configuration group.
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Arguments:
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ControlChannelHandle - Supplies a control channel handle.
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ConfigGroupId - Supplies an identifier as returned by
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HttpCreateConfigGroup().
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InformationClass - Supplies the type of information to query.
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pConfigGroupInformation - Supplies a buffer for the query.
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Length - Supplies the length of pConfigGroupInformation.
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pReturnLength - Receives the length of data written to the buffer.
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Return Value:
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ULONG - Completion status.
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--***************************************************************************/
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ULONG
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WINAPI
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HttpQueryConfigGroupInformation(
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IN HANDLE ControlChannelHandle,
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IN HTTP_CONFIG_GROUP_ID ConfigGroupId,
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IN HTTP_CONFIG_GROUP_INFORMATION_CLASS InformationClass,
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OUT PVOID pConfigGroupInformation,
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IN ULONG Length,
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OUT PULONG pReturnLength OPTIONAL
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)
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{
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NTSTATUS status;
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HTTP_CONFIG_GROUP_INFO configGroupInfo;
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//
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// Initialize the input structure.
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//
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configGroupInfo.ConfigGroupId = ConfigGroupId;
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configGroupInfo.InformationClass = InformationClass;
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//
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// Make the request.
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//
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status = HttpApiSynchronousDeviceControl(
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ControlChannelHandle, // FileHandle
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IOCTL_HTTP_QUERY_CONFIG_GROUP, // IoControlCode
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&configGroupInfo, // pInputBuffer
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sizeof(configGroupInfo), // InputBufferLength
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pConfigGroupInformation, // pOutputBuffer
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Length, // OutputBufferLength
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pReturnLength // pBytesTransferred
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);
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return HttpApiNtStatusToWin32Status( status );
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} // HttpQueryConfigGroupInformation
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/***************************************************************************++
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Routine Description:
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Before passing down the config group information. Make sure that the
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directory name in the HttpConfigGroupLogInformation is not pointing back
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to local machine if it's a UNC path
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Arguments:
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pConfigGroupInformation - Supplies the config group info with dir name
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Length - Length of the above
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Return
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STATUS_SUCCESS : If the UNC path doesn't include the local machine name
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Or if the path is not UNC path.
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STATUS_INVALID_PARAMETER : If the buffer itself is corrupted or something
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fatal is preventing us from getting computer
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name when path is UNC.
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STATUS_NOT_SUPPORTED: If UNC path points back to the local machine.
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--***************************************************************************/
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NTSTATUS
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HttpApiConfigGroupInformationSanityCheck(
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IN HTTP_CONFIG_GROUP_INFORMATION_CLASS InformationClass,
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IN PVOID pConfigGroupInformation,
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IN ULONG Length
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)
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{
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PHTTP_CONFIG_GROUP_LOGGING pLoggingInfo;
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WCHAR pwszComputerName[MAX_COMPUTERNAME_LENGTH + 1];
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ULONG ulComputerNameLength;
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PWCHAR pwsz,pwszT;
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ULONG ulSrcUncLength;
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ULONG ulDirNameLength;
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//
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// Only for HttpConfigGroupLogInformation
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//
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if(InformationClass != HttpConfigGroupLogInformation ||
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pConfigGroupInformation == NULL
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)
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{
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return STATUS_SUCCESS;
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}
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if (Length < sizeof(HTTP_CONFIG_GROUP_LOGGING))
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{
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return STATUS_INVALID_PARAMETER;
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}
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//
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// Try to check the log dir name if it's a UNC Path
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//
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__try
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{
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pLoggingInfo = (PHTTP_CONFIG_GROUP_LOGGING)pConfigGroupInformation;
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ulDirNameLength = pLoggingInfo->LogFileDir.Length / sizeof(WCHAR);
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if (ulDirNameLength > 2)
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{
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if (pLoggingInfo->LogFileDir.Buffer[0] == L'\\' &&
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pLoggingInfo->LogFileDir.Buffer[1] == L'\\')
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{
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// UNC Path
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ULONG ccLength = MAX_COMPUTERNAME_LENGTH + 1;
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if (!GetComputerNameW(pwszComputerName, &ccLength))
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{
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// This should never fail unless there's really fatal
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// system problem. But if it fails then refuse the
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// UNC path regardless.
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return STATUS_INVALID_PARAMETER;
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}
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if (ccLength == 0)
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{
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return STATUS_INVALID_PARAMETER;
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}
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ulComputerNameLength = ccLength;
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// Extract the computername from the full path
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pwsz = pwszT = &pLoggingInfo->LogFileDir.Buffer[2];
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ulDirNameLength -= 2;
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// Forward the temp pointer to the end of the supposed
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// computername
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while(ulDirNameLength && *pwszT != UNICODE_NULL && *pwszT != L'\\')
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{
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pwszT++;
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ulDirNameLength--;
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}
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ulSrcUncLength = (ULONG) DIFF(pwszT - pwsz);
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// Compare not case sensitive
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if(ulComputerNameLength == ulSrcUncLength &&
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_wcsnicmp(pwszComputerName, pwsz, ulSrcUncLength) == 0
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)
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{
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return STATUS_NOT_SUPPORTED;
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}
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}
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}
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}
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__except( EXCEPTION_EXECUTE_HANDLER )
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{
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return STATUS_INVALID_PARAMETER;
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}
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return STATUS_SUCCESS;
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}
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/***************************************************************************++
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Routine Description:
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Sets information in an configuration group.
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Arguments:
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ControlChannelHandle - Supplies a control channel handle.
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ConfigGroupId - Supplies an identifier as returned by
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HttpCreateConfigGroup().
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InformationClass - Supplies the type of information to set.
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pConfigGroupInformation - Supplies the data to set.
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Length - Supplies the length of pConfigGroupInformation.
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Return Value:
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ULONG - Completion status.
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--***************************************************************************/
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ULONG
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WINAPI
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HttpSetConfigGroupInformation(
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IN HANDLE ControlChannelHandle,
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IN HTTP_CONFIG_GROUP_ID ConfigGroupId,
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IN HTTP_CONFIG_GROUP_INFORMATION_CLASS InformationClass,
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IN PVOID pConfigGroupInformation,
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IN ULONG Length
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)
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{
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NTSTATUS status;
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HTTP_CONFIG_GROUP_INFO configGroupInfo;
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//
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// Initialize the input structure.
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//
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configGroupInfo.ConfigGroupId = ConfigGroupId;
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configGroupInfo.InformationClass = InformationClass;
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status = HttpApiConfigGroupInformationSanityCheck(
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InformationClass,
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pConfigGroupInformation,
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Length
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);
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if (!NT_SUCCESS(status))
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{
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return HttpApiNtStatusToWin32Status(status);
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}
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//
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// Make the request.
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//
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status = HttpApiSynchronousDeviceControl(
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ControlChannelHandle, // FileHandle
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IOCTL_HTTP_SET_CONFIG_GROUP, // IoControlCode
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&configGroupInfo, // pInputBuffer
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sizeof(configGroupInfo), // InputBufferLength
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pConfigGroupInformation, // pOutputBuffer
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Length, // OutputBufferLength
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NULL // pBytesTransferred
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);
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return HttpApiNtStatusToWin32Status( status );
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} // HttpSetConfigGroupInformation
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//
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// Private functions.
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//
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