318 lines
10 KiB
C
318 lines
10 KiB
C
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/*--
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Copyright (c) 1995-1998 Microsoft Corporation
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Module Name: HTTPD.H
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Author: Arul Menezes
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Abstract: Global defns for the HTTP server
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--*/
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#ifndef _HTTPD_H_
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#define _HTTPD_H_
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#ifndef UNDER_CE
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#define SECURITY_WIN32
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#endif
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#if DBG
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#define DEBUG
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#endif
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#include <windows.h>
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#include <winsock2.h>
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// OLD_CE_BUILD is defined when using the Windows CE Toolkit in Visual
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// Studio (in proj servers\vc\httpexece). We build this way when we're building for
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// older Windows CE devices (version 2.x). The reason we do this in the first place is
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// for shipping a beta version of the web server.
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// We won't have functions like sprintf or sscanf, so we implement our own, scaled down versions.
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// Also, there is no ASP support in this case.
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#ifdef OLD_CE_BUILD
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#pragma message ("Using Visual Studio Windows CE Toolkit Settings")
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// Write our own strrchr if we're using version 2.0 of CE, it wouldn't exist otherwise
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inline char *strrchr( const char *string, int c )
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{
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PCSTR pszTrav = string;
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PSTR pszLast = NULL;
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while ( *pszTrav )
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{
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if (*pszTrav == (CHAR) c)
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pszLast = (PSTR) pszTrav;
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pszTrav++;
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}
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return pszLast;
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}
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inline int isspace(int c) {
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return ( c == ' ' || c == '\n' || c == '\t' || c == '\r' || c == '\f' || c == '\v');
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}
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#else
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#include <stdio.h>
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#endif
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#include <httpext.h>
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#include <httpfilt.h>
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#include <service.h>
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#include <uhres.h>
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#include <creg.hxx>
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#include <sspi.h>
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#include <issperr.h>
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#include <servutil.h>
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#include <httpcomn.h>
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#ifdef UNDER_CE
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#include <windbase.h>
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#include <extfile.h>
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#else
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#include <wininet.h>
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#endif
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//------------- Arbitrary constants -----------------------
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// the assumption is that this buffer size covers the vast majority of requests
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#define MINBUFSIZE 1024
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// this the the timeout we use when waiting for the next request on a keep-alive connection
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#define KEEPALIVETIMEOUT 60000
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// subsequent-input timeout value. shoudl only hit on malformed headers/garbled packets
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#define RECVTIMEOUT 30000
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// maximum size of output headers
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#define MAXHEADERS 512
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// maximum size of a mime-type
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#define MAXMIME 64
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// maximum size username+password
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#define MAXUSERPASS 256
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// the assumption is that this buffer size covers most dir listings
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#define DIRBUFSIZE 4096
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// Size of response headers ("normal" headers, cookies and other extra headers are dynamic)
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#define HEADERBUFSIZE 4096
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// Used for dynamically growing arrays
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#define VALUE_GROW_SIZE 5
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// Size of buffer to hold all the bodies on web server errors
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#define BODYSTRINGSIZE 2048
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#define HTTPD_DEV_PREFIX L"HTP"
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#define HTTPD_DEV_INDEX 0
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#define HTTPD_DEV_NAME L"HTP0:"
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//------------- not-so-arbitrary constants -----------------------
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#define IPPORT_HTTP 2869
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//-------------------- Debug defines ------------------------
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// Debug zones
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#ifdef DEBUG
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#define ZONE_ERROR DEBUGZONE(0)
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#define ZONE_INIT DEBUGZONE(1)
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#define ZONE_LISTEN DEBUGZONE(2)
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#define ZONE_SOCKET DEBUGZONE(3)
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#define ZONE_REQUEST DEBUGZONE(4)
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#define ZONE_RESPONSE DEBUGZONE(5)
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#define ZONE_ISAPI DEBUGZONE(6)
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#define ZONE_VROOTS DEBUGZONE(7)
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#define ZONE_ASP DEBUGZONE(8)
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#define ZONE_DEVICE DEBUGZONE(9)
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#define ZONE_MEM DEBUGZONE(13)
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#define ZONE_PARSER DEBUGZONE(14)
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#define ZONE_TOKEN DEBUGZONE(15)
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#endif
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#define NTLM_PACKAGE_NAME TEXT("NTLM")
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// We need CE_STRING because GetProcAddress takes a LPCSTR as arg on NT, but UNICODE is defined
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// so the TEXT macro would return a UNICODE string
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#ifdef UNDER_CE
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#define NTLM_DLL_NAME TEXT("secur32.dll")
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#define CE_STRING(x) TEXT(x)
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#define SECURITY_ENTRYPOINT_CE SECURITY_ENTRYPOINT
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#else
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#define NTLM_DLL_NAME TEXT("security.dll")
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#define CE_STRING(x) (LPCSTR) (x)
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#define SECURITY_ENTRYPOINT_CE SECURITY_ENTRYPOINT_ANSIA
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#endif
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#define ASP_DLL_NAME TEXT("asp.dll")
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/////////////////////////////////////////////////////////////////////////////
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// Misc string handling helpers
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/////////////////////////////////////////////////////////////////////////////
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PSTR MySzDupA(PCSTR pszIn, int iLen=0);
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PWSTR MySzDupW(PCWSTR wszIn, int iLen=0);
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PWSTR MySzDupAtoW(PCSTR pszIn, int iInLen=-1);
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PSTR MySzDupWtoA(PCWSTR wszIn, int iInLen=-1);
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BOOL MyStrCatA(PSTR *ppszDest, PSTR pszSource, PSTR pszDivider=NULL);
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// Misc HTTP helper macros
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#define CHECKHCONN(h) if(!h || ((CHttpRequest*)h)->m_dwSig != CHTTPREQUEST_SIG) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; }
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#define CHECKPFC(h) if (!h || ((CHttpRequest*)h->ServerContext)->m_dwSig != CHTTPREQUEST_SIG) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; }
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#define CHECKPTR(p) if (!p) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; }
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#define CHECKPTRS2(p1, p2) if(!p1 || !p2) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; }
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#define CHECKPTRS3(p1, p2, p3) if(!p1 || !p2 || !p3) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; }
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#define CHECKFILTER(pfc) { if (! ((CHttpRequest*)pfc->ServerContext)->m_pFInfo->m_fFAccept) \
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{ SetLastError(ERROR_OPERATION_ABORTED); return FALSE; } }
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#define SkipWWhiteSpace(lpsz) while ( (lpsz)[0] != L'\0' && iswspace((lpsz)[0])) ++(lpsz)
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//------------- Scalar Data typedefs -----------------------
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// HTTP status codes
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typedef enum
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{
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STATUS_OK = 0,
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STATUS_MOVED,
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STATUS_NOTMODIFIED,
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STATUS_BADREQ,
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STATUS_UNAUTHORIZED,
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STATUS_FORBIDDEN,
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STATUS_NOTFOUND,
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STATUS_INTERNALERR,
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STATUS_NOTIMPLEM,
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STATUS_NOTSUPP,
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STATUS_MAX,
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}
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RESPONSESTATUS;
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// Data used for response static data
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typedef struct
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{
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DWORD dwStatusNumber;
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PCSTR pszStatusText;
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PCSTR pszStatusBody;
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}
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STATUSINFO;
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//------------- Const data prototypes -----------------------
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extern STATUSINFO rgStatus[STATUS_MAX];
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extern const char cszTextHtml[];
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extern const char cszEmpty[];
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extern const char cszServerID[];
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extern const char cszProductID[];
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extern const char* rgMonth[];
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extern const char cszKeepAlive[];
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extern const char cszHTTPVER[];
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extern const char cszDateParseFmt[];
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extern const char cszDateOutputFmt[];
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extern const char* rgWkday[];
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extern const char* rgMonth[];
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extern const char cszCRLF[];
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extern const char cszBasic[];
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extern BOOL g_fFromExe; // Did the executable start us?
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//----------------------- Class defns -----------------------
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#include <asp.h>
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#include <buffio.h>
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#include <extns.h>
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#include <vroots.hpp>
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#include <auth.h>
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#include <request.h>
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#include <log.h>
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#include <filters.h>
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#include <authhlp.h>
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//-------------------- All global data is accessed through Global Class ----------
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class CGlobalVariables
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{
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public:
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SOCKET m_sockListen;
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DWORD m_dwListenPort; // port we're listening on (can be modified in registry. default=80)
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CVRoots* m_pVroots; // ptr to VRoot structure, containing or URL-->Paths mappings
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BOOL m_fBasicAuth; // are we allowing Basic auth (from registry)
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BOOL m_fNTLMAuth; // are we allowing NTLM auth (from registry)
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BOOL m_fFilters; // Is ISAPI filter component included?
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BOOL m_fExtensions; // Is ISAPI extension component included?
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BOOL m_fASP; // Is ASP component included?
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BOOL m_fDirBrowse; // are we allowing directory browsing (from registry)
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PWSTR m_wszDefaultPages; // are we allowing directory browsing (from registry)
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BOOL m_fAcceptConnections; // are we accepting new threads?
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LONG m_nConnections; // # of connections (threads) we're handling
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LONG m_nMaxConnections; // Maximum # of connections we support concurrently
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CLog* m_pLog; // Logging structure
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DWORD m_dwPostReadSize; // Size of chunks of data to recv() in POST request.
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PSTR m_pszServerID; // Server ID
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CISAPICache *m_pISAPICache; // Used to cache ISAPI extension and ASP dlls
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DWORD m_dwCacheSleep; // How often (in millesecs) do we
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PWSTR m_wszAdminUsers; // List of users who have administrative privelages
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PWSTR m_wszAdminGroups; // List of groups who have administrative privelages
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PSTR m_pszStatusBodyBuf; // Holds the strings of http bodies loaded from rc file
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SVSThreadPool *m_pThreadPool; // All httpd threads other than HttpConnectionThread use this
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LONG m_fISAPICacheRunning; // Is ISAPI cache cleanup thread running?
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// ASP Specific
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SCRIPT_LANG m_ASPScriptLang; // Registry set default scripting language
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LCID m_ASPlcid; // Registry set default LCID
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UINT m_lASPCodePage; // Registry set default Code Page
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// Authentication Specific
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HINSTANCE m_hNTLMLib; // Global NTLM library handle
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DWORD m_cbNTLMMax; // max ntlm allowable data size
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PSecurityFunctionTable m_pNTLMFuncs; // fcn table for NTLM requests
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HANDLE m_hEventSelect;
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HANDLE m_hEventShutdown;
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CGlobalVariables();
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~CGlobalVariables();
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};
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extern CGlobalVariables *g_pVars;
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extern HINSTANCE g_hInst;
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extern HANDLE g_hListenThread;
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extern BOOL g_fRegistered;
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extern LONG g_fState;
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//------------- Function prototypes -------------------------
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DWORD WINAPI HttpConnectionThread(LPVOID lpv);
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DWORD WINAPI HandleAccept(LPVOID lpv);
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extern "C" int HttpInitialize(TCHAR *szRegPath);
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void GetRemoteAddress(SOCKET sock, PSTR pszBuf);
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void GetLocalAddress(SOCKET sock, PSTR pszBuf);
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DWORD WINAPI RemoveUnusedISAPIs(LPVOID lpv);
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BOOL SetHTTPVersion(PSTR pszVersion, DWORD *pdwVersion);
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void WriteHTTPVersion(PSTR pszVersion, DWORD dwVersion);
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char *strcpyEx(char *szDest, const char *szSrc);
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BOOL SetHTTPDate(PSTR pszDate, PSTR pszMonth, SYSTEMTIME *pst,PDWORD pdwModifiedLength);
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PSTR WriteHTTPDate(PSTR pszDateBuf, SYSTEMTIME *pst, BOOL fAddGMT);
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void InitializeResponseCodes(PSTR pszStatusBodyBuf);
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BOOL Base64Encode(
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BYTE * bufin, // in
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DWORD nbytes, // in
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char * pbuffEncoded); // out
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BOOL Base64Decode(
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char * bufcoded, // in
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char * pbuffdecoded, // out
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DWORD * pcbDecoded); // in out
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#endif //_HTTPD_H_
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