DUMPVARS.CPP
/*++
Copyright (c) 1997 Microsoft Corporation
Module Name: DumpVars.cpp
Abstract:
ISAPI Extension sample to dump server variables
--*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <httpext.h>
DWORD WINAPI
HttpExtensionProc(
IN EXTENSION_CONTROL_BLOCK * pECB
)
/*++
Purpose:
Use WriteClient() function to dump the value of each
server variable in the table.
Arguments:
pECB - pointer to the extenstion control block
Returns:
HSE_STATUS_SUCCESS
--*/
{
char * aszServerVariables[] =
{"APPL_MD_PATH", "APPL_PHYSICAL_PATH", "AUTH_PASSWORD",
"AUTH_TYPE", "AUTH_USER", "CERT_COOKIE", "CERT_FLAGS",
"CERT_ISSUER", "CERT_KEYSIZE", "CERT_SECRETKEYSIZE",
"CERT_SERIALNUMBER", "CERT_SERVER_ISSUER",
"CERT_SERVER_SUBJECT", "CERT_SUBJECT", "CONTENT_LENGTH",
"CONTENT_TYPE", "HTTP_ACCEPT", "HTTPS", "HTTPS_KEYSIZE",
"HTTPS_SECRETKEYSIZE", "HTTPS_SERVER_ISSUER",
"HTTPS_SERVER_SUBJECT", "INSTANCE_ID", "INSTANCE_META_PATH",
"PATH_INFO", "PATH_TRANSLATED", "QUERY_STRING",
"REMOTE_ADDR", "REMOTE_HOST", "REMOTE_USER",
"REQUEST_METHOD", "SCRIPT_NAME", "SERVER_NAME",
"SERVER_PORT", "SERVER_PORT_SECURE", "SERVER_PROTOCOL",
"SERVER_SOFTWARE", "URL"};
char szOutput[2048], szValue[1024];
DWORD dwBuffSize, dwNumVars, dwError, x;
HSE_SEND_HEADER_EX_INFO HeaderExInfo;
//
// Send headers to the client
//
HeaderExInfo.pszStatus = "200 OK";
HeaderExInfo.pszHeader = "Content-type: text/html\r\n\r\n";
HeaderExInfo.cchStatus = strlen( HeaderExInfo.pszStatus );
HeaderExInfo.cchHeader = strlen( HeaderExInfo.pszHeader );
HeaderExInfo.fKeepConn = FALSE;
pECB->ServerSupportFunction(
pECB->ConnID,
HSE_REQ_SEND_RESPONSE_HEADER_EX,
&HeaderExInfo,
NULL,
NULL
);
//
// Begin sending back HTML to the client
//
strcpy(
szOutput,
"<HTML>\r\n<BODY><h1>Server Variable Dump</h1>\r\n<hr>\r\n"
);
dwBuffSize = strlen( szOutput );
pECB->WriteClient( pECB->ConnID, szOutput, &dwBuffSize, 0 );
dwNumVars = ( sizeof aszServerVariables )/( sizeof aszServerVariables[0] );
//
// Get the server variables and send them
//
for ( x = 0; x < dwNumVars; x++ ) {
dwBuffSize = 1024;
szValue[0] = '\0';
if ( !pECB->GetServerVariable(
pECB->ConnID,
aszServerVariables[x],
szValue,
&dwBuffSize
) ) {
//
// Analyze the problem and report result to user
//
switch (dwError = GetLastError( )) {
case ERROR_INVALID_PARAMETER:
strcpy( szValue, "ERROR_INVALID_PARAMETER" );
break;
case ERROR_INVALID_INDEX:
strcpy( szValue, "ERROR_INVALID_INDEX" );
break;
case ERROR_INSUFFICIENT_BUFFER:
wsprintf(
szValue,
"ERROR_INSUFFICIENT_BUFFER - %d bytes required.",
dwBuffSize
);
break;
case ERROR_MORE_DATA:
strcpy( szValue, "ERROR_MORE_DATA" );
break;
case ERROR_NO_DATA:
strcpy( szValue, "ERROR_NO_DATA" );
break;
default:
wsprintf(
szValue,
"*** Error %d occured retrieving server variable ***",
dwError
);
}
}
//
// Dump server variable name and value
//
wsprintf( szOutput, "%s: %s<br>\r\n", aszServerVariables[x], szValue );
dwBuffSize = strlen( szOutput );
//
// Send the line to client
//
pECB->WriteClient( pECB->ConnID, szOutput, &dwBuffSize, 0 );
}
//
// End HTML page
//
strcpy( szOutput, "</BODY>\r\n</HTML>\r\n\r\n" );
dwBuffSize = strlen( szOutput );
pECB->WriteClient( pECB->ConnID, szOutput, &dwBuffSize, 0 );
return HSE_STATUS_SUCCESS;
}
BOOL WINAPI
GetExtensionVersion(
OUT HSE_VERSION_INFO * pVer
)
/*++
Purpose:
This is required ISAPI Extension DLL entry point.
Arguments:
pVer - poins to extension version info structure
Returns:
always returns TRUE
--*/
{
pVer->dwExtensionVersion =
MAKELONG( HSE_VERSION_MINOR, HSE_VERSION_MAJOR );
lstrcpyn(
pVer->lpszExtensionDesc,
"DumpVars ISAPI Sample",
HSE_MAX_EXT_DLL_NAME_LEN );
return TRUE;
}
BOOL WINAPI
TerminateExtension(
IN DWORD dwFlags
)
/*++
Routine Description:
This function is called when the WWW service is shutdown
Arguments:
dwFlags - HSE_TERM_ADVISORY_UNLOAD or HSE_TERM_MUST_UNLOAD
Return Value:
TRUE if extension is ready to be unloaded,
FALSE otherwise
--*/
{
return TRUE;
}