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httpext.h

/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the w64 mingw-runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */
#ifndef _HTTPEXT_H_
#define _HTTPEXT_H_

#include <windows.h>

#ifdef __cplusplus
extern "C" {
#endif

#define HSE_VERSION_MAJOR 6
#define HSE_VERSION_MINOR 0
#define HSE_LOG_BUFFER_LEN 80
#define HSE_MAX_EXT_DLL_NAME_LEN 256

#define HSE_VERSION MAKELONG(HSE_VERSION_MINOR,HSE_VERSION_MAJOR)

#define HSE_STATUS_SUCCESS 1
#define HSE_STATUS_SUCCESS_AND_KEEP_CONN 2
#define HSE_STATUS_PENDING 3
#define HSE_STATUS_ERROR 4

#define HSE_REQ_BASE 0
#define HSE_REQ_SEND_URL_REDIRECT_RESP (HSE_REQ_BASE + 1)
#define HSE_REQ_SEND_URL (HSE_REQ_BASE + 2)
#define HSE_REQ_SEND_RESPONSE_HEADER (HSE_REQ_BASE + 3)
#define HSE_REQ_DONE_WITH_SESSION (HSE_REQ_BASE + 4)
#define HSE_REQ_END_RESERVED 1000

#define HSE_REQ_MAP_URL_TO_PATH (HSE_REQ_END_RESERVED+1)
#define HSE_REQ_GET_SSPI_INFO (HSE_REQ_END_RESERVED+2)
#define HSE_APPEND_LOG_PARAMETER (HSE_REQ_END_RESERVED+3)
#define HSE_REQ_IO_COMPLETION (HSE_REQ_END_RESERVED+5)
#define HSE_REQ_TRANSMIT_FILE (HSE_REQ_END_RESERVED+6)
#define HSE_REQ_REFRESH_ISAPI_ACL (HSE_REQ_END_RESERVED+7)
#define HSE_REQ_IS_KEEP_CONN (HSE_REQ_END_RESERVED+8)
#define HSE_REQ_ASYNC_READ_CLIENT (HSE_REQ_END_RESERVED+10)
#define HSE_REQ_GET_IMPERSONATION_TOKEN (HSE_REQ_END_RESERVED+11)
#define HSE_REQ_MAP_URL_TO_PATH_EX (HSE_REQ_END_RESERVED+12)
#define HSE_REQ_ABORTIVE_CLOSE (HSE_REQ_END_RESERVED+14)
#define HSE_REQ_GET_CERT_INFO_EX (HSE_REQ_END_RESERVED+15)
#define HSE_REQ_SEND_RESPONSE_HEADER_EX (HSE_REQ_END_RESERVED+16)
#define HSE_REQ_CLOSE_CONNECTION (HSE_REQ_END_RESERVED+17)
#define HSE_REQ_IS_CONNECTED (HSE_REQ_END_RESERVED+18)
#define HSE_REQ_MAP_UNICODE_URL_TO_PATH (HSE_REQ_END_RESERVED+23)
#define HSE_REQ_MAP_UNICODE_URL_TO_PATH_EX (HSE_REQ_END_RESERVED+24)
#define HSE_REQ_EXEC_UNICODE_URL (HSE_REQ_END_RESERVED+25)
#define HSE_REQ_EXEC_URL (HSE_REQ_END_RESERVED+26)
#define HSE_REQ_GET_EXEC_URL_STATUS (HSE_REQ_END_RESERVED+27)
#define HSE_REQ_SEND_CUSTOM_ERROR (HSE_REQ_END_RESERVED+28)
#define HSE_REQ_IS_IN_PROCESS (HSE_REQ_END_RESERVED+30)
#define HSE_REQ_REPORT_UNHEALTHY (HSE_REQ_END_RESERVED+32)
#define HSE_REQ_NORMALIZE_URL (HSE_REQ_END_RESERVED+33)
#define HSE_REQ_VECTOR_SEND (HSE_REQ_END_RESERVED+37)
#define HSE_REQ_GET_ANONYMOUS_TOKEN (HSE_REQ_END_RESERVED+38)
#define HSE_REQ_GET_CACHE_INVALIDATION_CALLBACK (HSE_REQ_END_RESERVED+40)
#define HSE_REQ_GET_UNICODE_ANONYMOUS_TOKEN (HSE_REQ_END_RESERVED+41)
#define HSE_REQ_GET_TRACE_INFO (HSE_REQ_END_RESERVED+42)

#define HSE_TERM_ADVISORY_UNLOAD 0x00000001
#define HSE_TERM_MUST_UNLOAD 0x00000002

#define HSE_IO_SYNC 0x00000001
#define HSE_IO_ASYNC 0x00000002
#define HSE_IO_DISCONNECT_AFTER_SEND 0x00000004
#define HSE_IO_SEND_HEADERS 0x00000008
#define HSE_IO_NODELAY 0x00001000

#define HSE_IO_FINAL_SEND 0x00000010
#define HSE_IO_CACHE_RESPONSE 0x00000020

  typedef LPVOID HCONN;

  typedef struct _HSE_VERSION_INFO {
    DWORD dwExtensionVersion;
    CHAR lpszExtensionDesc[HSE_MAX_EXT_DLL_NAME_LEN];
  } HSE_VERSION_INFO,*LPHSE_VERSION_INFO;

  typedef struct _EXTENSION_CONTROL_BLOCK {
    DWORD cbSize;
    DWORD dwVersion;
    HCONN ConnID;
    DWORD dwHttpStatusCode;
    CHAR lpszLogData[HSE_LOG_BUFFER_LEN];
    LPSTR lpszMethod;
    LPSTR lpszQueryString;
    LPSTR lpszPathInfo;
    LPSTR lpszPathTranslated;

    DWORD cbTotalBytes;
    DWORD cbAvailable;
    LPBYTE lpbData;
    LPSTR lpszContentType;
    WINBOOL (WINAPI *GetServerVariable) (HCONN hConn,LPSTR lpszVariableName,LPVOID lpvBuffer,LPDWORD lpdwSize);
    WINBOOL (WINAPI *WriteClient) (HCONN ConnID,LPVOID Buffer,LPDWORD lpdwBytes,DWORD dwReserved);
    WINBOOL (WINAPI *ReadClient) (HCONN ConnID,LPVOID lpvBuffer,LPDWORD lpdwSize);
    WINBOOL (WINAPI *ServerSupportFunction)(HCONN hConn,DWORD dwHSERequest,LPVOID lpvBuffer,LPDWORD lpdwSize,LPDWORD lpdwDataType);
  } EXTENSION_CONTROL_BLOCK,*LPEXTENSION_CONTROL_BLOCK;

#define HSE_URL_FLAGS_READ 0x00000001
#define HSE_URL_FLAGS_WRITE 0x00000002
#define HSE_URL_FLAGS_EXECUTE 0x00000004
#define HSE_URL_FLAGS_SSL 0x00000008
#define HSE_URL_FLAGS_DONT_CACHE 0x00000010
#define HSE_URL_FLAGS_NEGO_CERT 0x00000020
#define HSE_URL_FLAGS_REQUIRE_CERT 0x00000040
#define HSE_URL_FLAGS_MAP_CERT 0x00000080
#define HSE_URL_FLAGS_SSL128 0x00000100
#define HSE_URL_FLAGS_SCRIPT 0x00000200

#define HSE_URL_FLAGS_MASK 0x000003ff

  typedef struct _HSE_URL_MAPEX_INFO {
    CHAR lpszPath[MAX_PATH];
    DWORD dwFlags;
    DWORD cchMatchingPath;
    DWORD cchMatchingURL;
    DWORD dwReserved1;
    DWORD dwReserved2;
  } HSE_URL_MAPEX_INFO,*LPHSE_URL_MAPEX_INFO;

  typedef struct _HSE_UNICODE_URL_MAPEX_INFO {
    WCHAR lpszPath[MAX_PATH];
    DWORD dwFlags;
    DWORD cchMatchingPath;
    DWORD cchMatchingURL;
  } HSE_UNICODE_URL_MAPEX_INFO,*LPHSE_UNICODE_URL_MAPEX_INFO;

  typedef VOID (WINAPI *PFN_HSE_IO_COMPLETION)(EXTENSION_CONTROL_BLOCK *pECB,PVOID pContext,DWORD cbIO,DWORD dwError);

  typedef struct _HSE_TF_INFO {
    PFN_HSE_IO_COMPLETION pfnHseIO;
    PVOID pContext;
    HANDLE hFile;
    LPCSTR pszStatusCode;
    DWORD BytesToWrite;
    DWORD Offset;
    PVOID pHead;
    DWORD HeadLength;
    PVOID pTail;
    DWORD TailLength;
    DWORD dwFlags;
  } HSE_TF_INFO,*LPHSE_TF_INFO;

  typedef struct _HSE_SEND_HEADER_EX_INFO {
    LPCSTR pszStatus;
    LPCSTR pszHeader;
    DWORD cchStatus;
    DWORD cchHeader;
    WINBOOL fKeepConn;
  } HSE_SEND_HEADER_EX_INFO,*LPHSE_SEND_HEADER_EX_INFO;

#define HSE_EXEC_URL_NO_HEADERS 0x02
#define HSE_EXEC_URL_IGNORE_CURRENT_INTERCEPTOR 0x04
#define HSE_EXEC_URL_IGNORE_VALIDATION_AND_RANGE 0x10
#define HSE_EXEC_URL_DISABLE_CUSTOM_ERROR 0x20
#define HSE_EXEC_URL_SSI_CMD 0x40

  typedef struct _HSE_EXEC_URL_USER_INFO {
    HANDLE hImpersonationToken;
    LPSTR pszCustomUserName;
    LPSTR pszCustomAuthType;
  } HSE_EXEC_URL_USER_INFO,*LPHSE_EXEC_URL_USER_INFO;

  typedef struct _HSE_EXEC_URL_ENTITY_INFO {
    DWORD cbAvailable;
    LPVOID lpbData;
  } HSE_EXEC_URL_ENTITY_INFO,*LPHSE_EXEC_URL_ENTITY_INFO;

  typedef struct _HSE_EXEC_URL_STATUS {
    USHORT uHttpStatusCode;
    USHORT uHttpSubStatus;
    DWORD dwWin32Error;
  } HSE_EXEC_URL_STATUS,*LPHSE_EXEC_URL_STATUS;

  typedef struct _HSE_EXEC_URL_INFO {
    LPSTR pszUrl;
    LPSTR pszMethod;
    LPSTR pszChildHeaders;
    LPHSE_EXEC_URL_USER_INFO pUserInfo;
    LPHSE_EXEC_URL_ENTITY_INFO pEntity;
    DWORD dwExecUrlFlags;
  } HSE_EXEC_URL_INFO,*LPHSE_EXEC_URL_INFO;

  typedef struct _HSE_EXEC_UNICODE_URL_USER_INFO {
    HANDLE hImpersonationToken;
    LPWSTR pszCustomUserName;
    LPSTR pszCustomAuthType;
  } HSE_EXEC_UNICODE_URL_USER_INFO,*LPHSE_EXEC_UNICODE_URL_USER_INFO;

  typedef struct _HSE_EXEC_UNICODE_URL_INFO {
    LPWSTR pszUrl;
    LPSTR pszMethod;
    LPSTR pszChildHeaders;
    LPHSE_EXEC_UNICODE_URL_USER_INFO pUserInfo;
    LPHSE_EXEC_URL_ENTITY_INFO pEntity;
    DWORD dwExecUrlFlags;
  } HSE_EXEC_UNICODE_URL_INFO,*LPHSE_EXEC_UNICODE_URL_INFO;

  typedef struct _HSE_CUSTOM_ERROR_INFO {
    CHAR *pszStatus;
    USHORT uHttpSubError;
    WINBOOL fAsync;
  } HSE_CUSTOM_ERROR_INFO,*LPHSE_CUSTOM_ERROR_INFO;

#define HSE_VECTOR_ELEMENT_TYPE_MEMORY_BUFFER 0
#define HSE_VECTOR_ELEMENT_TYPE_FILE_HANDLE 1

  typedef struct _HSE_VECTOR_ELEMENT {
    DWORD ElementType;
    PVOID pvContext;
    ULONGLONG cbOffset;
    ULONGLONG cbSize;
  } HSE_VECTOR_ELEMENT,*LPHSE_VECTOR_ELEMENT;

  typedef struct _HSE_RESPONSE_VECTOR {
    DWORD dwFlags;
    LPSTR pszStatus;
    LPSTR pszHeaders;
    DWORD nElementCount;
    LPHSE_VECTOR_ELEMENT lpElementArray;
  } HSE_RESPONSE_VECTOR,*LPHSE_RESPONSE_VECTOR;

  typedef HRESULT (WINAPI *PFN_HSE_CACHE_INVALIDATION_CALLBACK)(WCHAR *pszUrl);

#include <wincrypt.h>

  typedef struct _CERT_CONTEXT_EX {
    CERT_CONTEXT CertContext;
    DWORD cbAllocated;
    DWORD dwCertificateFlags;
  } CERT_CONTEXT_EX;

  typedef struct _HSE_TRACE_INFO {
    WINBOOL fTraceRequest;
    BYTE TraceContextId[16];
    DWORD dwReserved1;
    DWORD dwReserved2;
  } HSE_TRACE_INFO,*LPHSE_TRACE_INFO;

#define HSE_APP_FLAG_IN_PROCESS 0
#define HSE_APP_FLAG_ISOLATED_OOP 1
#define HSE_APP_FLAG_POOLED_OOP 2

  WINBOOL WINAPI GetExtensionVersion(HSE_VERSION_INFO *pVer);
  DWORD WINAPI HttpExtensionProc(EXTENSION_CONTROL_BLOCK *pECB);
  WINBOOL WINAPI TerminateExtension(DWORD dwFlags);

  typedef WINBOOL (WINAPI *PFN_GETEXTENSIONVERSION)(HSE_VERSION_INFO *pVer);
  typedef DWORD (WINAPI *PFN_HTTPEXTENSIONPROC)(EXTENSION_CONTROL_BLOCK *pECB);
  typedef WINBOOL (WINAPI *PFN_TERMINATEEXTENSION)(DWORD dwFlags);

#ifdef __cplusplus
}
#endif
#endif

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