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rtems/cpukit/httpd/webs.h
Joel Sherrill a6b4c0df5f 2000-08-30 Joel Sherrill <joel@OARcorp.com> 
* Merged version 2.1 of GoAhead webserver.  This update
	was submitted by Antti P Miettinen <antti.p.miettinen@nokia.com>.
	* NOTES, base64.c, ejIntrn.h, emfdb.c, emfdb.h, md5.h, md5c.c,
	um.c, um.h: New files.
	* wbase64.c: Removed.
	* Makefile.am, asp.c, balloc.c, default.c, ej.h, ejlex.c, ejparse.c,
	form.c, h.c, handler.c, mime.c, misc.c, ringq.c, rom.c, security.c,
	socket.c, sym.c, uemf.c, uemf.h, url.c, value.c, webcomp.c, webmain.c,
	webpage.c, webrom.c, webs.c, webs.h, websuemf.c, wsIntrn.h: Modified.
2000-09-01 10:57:21 +00:00

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/*
* webs.h -- GoAhead Web public header
*
* Copyright (c) GoAhead Software Inc., 1992-2000. All Rights Reserved.
*
* See the file "license.txt" for information on usage and redistribution
*/
#ifndef _h_WEBS
#define _h_WEBS 1
/******************************** Description *********************************/
/*
* GoAhead Web Server header. This defines the Web public APIs.
* Include this header for files that contain ASP or Form procedures.
* Include wsIntrn.h when creating URL handlers.
*/
/********************************* Includes ***********************************/
#include "ej.h"
#ifdef WEBS_SSL_SUPPORT
#include "websSSL.h"
#endif
/********************************** Defines ***********************************/
/*
* By license terms the server software name defined in the following line of
* code must not be modified.
*/
#define WEBS_NAME T("GoAhead-Webs")
#define WEBS_VERSION T("2.1")
#define WEBS_HEADER_BUFINC 512 /* Header buffer size */
#define WEBS_ASP_BUFINC 512 /* Asp expansion increment */
#define WEBS_MAX_PASS 32 /* Size of password */
#define WEBS_BUFSIZE 1000 /* websWrite max output string */
#define WEBS_MAX_HEADER (5 * 1024) /* Sanity check header */
#define WEBS_MAX_URL 4096 /* Maximum URL size for sanity */
#define WEBS_SOCKET_BUFSIZ 256 /* Bytes read from socket */
#define WEBS_HTTP_PORT T("httpPort")
#define CGI_BIN T("cgi-bin")
/*
* Request flags. Also returned by websGetRequestFlags().
*/
#define WEBS_LOCAL_PAGE 0x1 /* Request for local webs page */
#define WEBS_KEEP_ALIVE 0x2 /* HTTP/1.1 keep alive */
#define WEBS_DONT_USE_CACHE 0x4 /* Not implemented cache support */
#define WEBS_COOKIE 0x8 /* Cookie supplied in request */
#define WEBS_IF_MODIFIED 0x10 /* If-modified-since in request */
#define WEBS_POST_REQUEST 0x20 /* Post request operation */
#define WEBS_LOCAL_REQUEST 0x40 /* Request from this system */
#define WEBS_HOME_PAGE 0x80 /* Request for the home page */
#define WEBS_ASP 0x100 /* ASP request */
#define WEBS_HEAD_REQUEST 0x200 /* Head request */
#define WEBS_CLEN 0x400 /* Request had a content length */
#define WEBS_FORM 0x800 /* Request is a form */
#define WEBS_REQUEST_DONE 0x1000 /* Request complete */
#define WEBS_POST_DATA 0x2000 /* Already appended post data */
#define WEBS_CGI_REQUEST 0x4000 /* cgi-bin request */
#define WEBS_SECURE 0x8000 /* connection uses SSL */
#define WEBS_AUTH_BASIC 0x10000 /* Basic authentication request */
#define WEBS_AUTH_DIGEST 0x20000 /* Digest authentication request */
#define WEBS_HEADER_DONE 0x40000 /* Already output the HTTP header */
/*
* URL handler flags
*/
#define WEBS_HANDLER_FIRST 0x1 /* Process this handler first */
#define WEBS_HANDLER_LAST 0x2 /* Process this handler last */
/*
* Per socket connection webs structure
*/
typedef struct websRec {
ringq_t header; /* Header dynamic string */
time_t since; /* Parsed if-modified-since time */
sym_fd_t cgiVars; /* CGI standard variables */
sym_fd_t cgiQuery; /* CGI decoded query string */
time_t timestamp; /* Last transaction with browser */
int timeout; /* Timeout handle */
char_t ipaddr[32]; /* Connecting ipaddress */
char_t type[64]; /* Mime type */
char_t *dir; /* Directory containing the page */
char_t *path; /* Path name without query */
char_t *url; /* Full request url */
char_t *host; /* Requested host */
char_t *lpath; /* Cache local path name */
char_t *query; /* Request query */
char_t *decodedQuery; /* Decoded request query */
char_t *authType; /* Authorization type (Basic/DAA) */
char_t *password; /* Authorization password */
char_t *userName; /* Authorization username */
char_t *cookie; /* Cookie string */
char_t *userAgent; /* User agent (browser) */
char_t *protocol; /* Protocol (normally HTTP) */
char_t *protoVersion; /* Protocol version */
int sid; /* Socket id (handler) */
int listenSid; /* Listen Socket id */
int port; /* Request port number */
int state; /* Current state */
int flags; /* Current flags -- see above */
int code; /* Request result code */
int clen; /* Content length */
int wid; /* Index into webs */
char_t *cgiStdin; /* filename for CGI stdin */
int docfd; /* Document file descriptor */
int numbytes; /* Bytes to transfer to browser */
int written; /* Bytes actually transferred */
void (*writeSocket)(struct websRec *wp);
#ifdef DIGEST_ACCESS_SUPPORT
char_t *realm; /* usually the same as "host" from websRec */
char_t *nonce; /* opaque-to-client string sent by server */
char_t *digest; /* digest form of user password */
char_t *uri; /* URI found in DAA header */
char_t *opaque; /* opaque value passed from server */
char_t *nc; /* nonce count */
char_t *cnonce; /* check nonce */
char_t *qop; /* quality operator */
#endif
#ifdef WEBS_SSL_SUPPORT
websSSL_t *wsp; /* SSL data structure */
#endif
} websRec;
typedef websRec *webs_t;
typedef websRec websType;
/******************************** Prototypes **********************************/
extern int websAccept(int sid, char *ipaddr, int port, int listenSid);
extern int websAspDefine(char_t *name,
int (*fn)(int ejid, webs_t wp, int argc, char_t **argv));
extern int websAspRequest(webs_t wp, char_t *lpath);
extern void websCloseListen();
extern int websDecode64(char_t *outbuf, char_t *string, int buflen);
extern void websDecodeUrl(char_t *token, char_t *decoded, int len);
extern void websDone(webs_t wp, int code);
extern void websEncode64(char_t *outbuf, char_t *string, int buflen);
extern void websError(webs_t wp, int code, char_t *msg, ...);
extern void websFooter(webs_t wp);
extern int websFormDefine(char_t *name, void (*fn)(webs_t wp,
char_t *path, char_t *query));
extern char_t *websGetDefaultDir();
extern char_t *websGetDefaultPage();
extern char_t *websGetHostUrl();
extern char_t *websGetIpaddrUrl();
extern char_t *websGetPassword();
extern int websGetPort();
extern char_t *websGetPublishDir(char_t *path, char_t **urlPrefix);
extern char_t *websGetRealm();
extern int websGetRequestBytes(webs_t wp);
extern char_t *websGetRequestDir(webs_t wp);
extern int websGetRequestFlags(webs_t wp);
extern char_t *websGetRequestIpaddr(webs_t wp);
extern char_t *websGetRequestLpath(webs_t wp);
extern char_t *websGetRequestPath(webs_t wp);
extern char_t *websGetRequestPassword(webs_t wp);
extern char_t *websGetRequestType(webs_t wp);
extern int websGetRequestWritten(webs_t wp);
extern char_t *websGetVar(webs_t wp, char_t *var, char_t *def);
extern int websCompareVar(webs_t wp, char_t *var, char_t *value);
extern void websHeader(webs_t wp);
extern int websOpenListen(int port, int retries);
extern int websPageOpen(webs_t wp, char_t *lpath, char_t *path,
int mode, int perm);
extern void websPageClose(webs_t wp);
extern int websPublish(char_t *urlPrefix, char_t *path);
extern void websRedirect(webs_t wp, char_t *url);
extern void websSecurityDelete();
extern int websSecurityHandler(webs_t wp, char_t *urlPrefix,
char_t *webDir, int arg, char_t *url, char_t *path,
char_t *query);
extern void websSetDefaultDir(char_t *dir);
extern void websSetDefaultPage(char_t *page);
extern void websSetEnv(webs_t wp);
extern void websSetHost(char_t *host);
extern void websSetIpaddr(char_t *ipaddr);
extern void websSetPassword(char_t *password);
extern void websSetRealm(char_t *realmName);
extern void websSetRequestBytes(webs_t wp, int bytes);
extern void websSetRequestFlags(webs_t wp, int flags);
extern void websSetRequestLpath(webs_t wp, char_t *lpath);
extern void websSetRequestPath(webs_t wp, char_t *dir, char_t *path);
extern char_t *websGetRequestUserName(webs_t wp);
extern void websSetRequestWritten(webs_t wp, int written);
extern void websSetVar(webs_t wp, char_t *var, char_t *value);
extern int websTestVar(webs_t wp, char_t *var);
extern void websTimeoutCancel(webs_t wp);
extern int websUrlHandlerDefine(char_t *urlPrefix, char_t *webDir,
int arg, int (*fn)(webs_t wp, char_t *urlPrefix,
char_t *webDir, int arg, char_t *url, char_t *path,
char_t *query), int flags);
extern int websUrlHandlerDelete(int (*fn)(webs_t wp, char_t *urlPrefix,
char_t *webDir, int arg, char_t *url, char_t *path,
char_t *query));
extern int websUrlHandlerRequest(webs_t wp);
extern int websUrlParse(char_t *url, char_t **buf, char_t **host,
char_t **path, char_t **port, char_t **query,
char_t **proto, char_t **tag, char_t **ext);
extern char_t *websUrlType(char_t *webs, char_t *buf, int charCnt);
extern int websWrite(webs_t wp, char_t* fmt, ...);
extern int websWriteBlock(webs_t wp, char_t *buf, int nChars);
extern int websWriteDataNonBlock(webs_t wp, char *buf, int nChars);
extern int websValid(webs_t wp);
extern int websValidateUrl(webs_t wp, char_t *path);
extern void websMarkTime(webs_t wp);
/*
* The following prototypes are used by the SSL patch found in websSSL.c
*/
extern int websAlloc(int sid);
extern void websFree(webs_t wp);
extern void websTimeout(void *arg, int id);
extern void websReadEvent(webs_t wp);
/*
* Prototypes for functions available when running as part of the
* GoAhead Embedded Management Framework (EMF)
*/
#if EMF
extern void websFormExplain(webs_t wp, char_t *path, char_t *query);
#endif
#endif /* _h_WEBS */
/******************************************************************************/
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