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/*
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* webs.h -- Go Ahead Web public header
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*
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* Copyright (c) Go Ahead Software Inc., 1992-1999. All Rights Reserved.
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*
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* See the file "license.txt" for information on usage and redistribution
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*/
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#ifndef _h_WEBS
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#define _h_WEBS 1
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/******************************** Description *********************************/
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/*
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* Go Ahead Web Server header. This defines the Web public APIs.
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* Include this header for files that contain ASP or Form procedures.
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* Include wsIntrn.h when creating URL handlers.
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*/
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/********************************* Includes ***********************************/
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#include "ej.h"
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/********************************** Defines ***********************************/
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#define WEBS_HEADER_BUFINC 512 /* Header buffer size */
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#define WEBS_ASP_BUFINC 512 /* Asp expansion increment */
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#define WEBS_MAX_PASS 32 /* Size of password */
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#define WEBS_BUFSIZE 1000 /* websWrite max output string */
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#define WEBS_MAX_HEADER (5 * 1024) /* Sanity check header */
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#define WEBS_MAX_URL 4096 /* Maximum URL size for sanity */
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#define WEBS_SOCKET_BUFSIZ 256 /* Bytes read from socket */
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/*
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* Request flags. Also returned by websGetRequestFlags().
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*/
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#define WEBS_LOCAL_PAGE 0x1 /* Request for local webs page */
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#define WEBS_KEEP_ALIVE 0x2 /* HTTP/1.1 keep alive */
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#define WEBS_DONT_USE_CACHE 0x4 /* Not implemented cache support */
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#define WEBS_COOKIE 0x8 /* Cookie supplied in request */
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#define WEBS_IF_MODIFIED 0x10 /* If-modified-since in request */
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#define WEBS_POST_REQUEST 0x20 /* Post request operation */
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#define WEBS_LOCAL_REQUEST 0x40 /* Request from this system */
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#define WEBS_HOME_PAGE 0x80 /* Request for the home page */
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#define WEBS_ASP 0x100 /* ASP request */
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#define WEBS_HEAD_REQUEST 0x200 /* Head request */
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#define WEBS_CLEN 0x400 /* Request had a content length */
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#define WEBS_FORM 0x800 /* Request is a form */
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#define WEBS_REQUEST_DONE 0x1000 /* Request complete */
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#define WEBS_POST_DATA 0x2000 /* Already appended post data */
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#define WEBS_HEADER_DONE 0x40000 /* Already output the HTTP header */
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/*
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* URL handler flags
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*/
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#define WEBS_HANDLER_FIRST 0x1 /* Process this handler first */
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#define WEBS_HANDLER_LAST 0x2 /* Process this handler last */
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/*
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* Per socket connection webs structure
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*/
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typedef struct websRec {
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ringq_t header; /* Header dynamic string */
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time_t since; /* Parsed if-modified-since time */
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sym_fd_t cgiVars; /* CGI standard variables */
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sym_fd_t cgiQuery; /* CGI decoded query string */
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time_t timestamp; /* Last transaction with browser */
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void* timeout; /* Timeout handle */
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char_t ipaddr[32]; /* Connecting ipaddress */
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char_t type[64]; /* Mime type */
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char_t* dir; /* Directory containing the page */
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char_t* path; /* Path name without query */
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char_t* url; /* Full request url */
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char_t* host; /* Requested host */
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char_t* lpath; /* Cache local path name */
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char_t* query; /* Request query */
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char_t* decodedQuery; /* Decoded request query */
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char_t* password; /* Authorization password */
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char_t* userName; /* Authorization username */
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char_t* cookie; /* Cookie string */
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char_t* userAgent; /* User agent (browser) */
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int sid; /* Socket id (handler) */
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int port; /* Request port number */
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int state; /* Current state */
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int flags; /* Current flags -- see above */
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int code; /* Request result code */
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int clen; /* Content length */
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int wid; /* Index into webs */
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int docfd; /* Document file descriptor */
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int numbytes; /* Bytes to transfer to browser */
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int written; /* Bytes actually transferred */
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void (*writeSocket)(struct websRec *wp);
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} websRec;
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typedef websRec *webs_t;
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typedef websRec websType;
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/******************************** Prototypes **********************************/
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extern int websAspDefine(char_t *name,
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int (*fn)(int ejid, webs_t wp, int argc, char_t **argv));
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extern int websAspRequest(webs_t wp, char_t *lpath);
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extern void websCloseListen();
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extern int websDecode64(char_t *outbuf, char_t *string, int buflen);
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extern void websDecodeUrl(char_t *token, char_t *decoded, int len);
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extern void websDone(webs_t wp, int code);
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extern void websEncode64(char_t *outbuf, char_t *string, int buflen);
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extern void websError(webs_t wp, int code, char_t *msg, ...);
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extern void websFooter(webs_t wp);
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extern int websFormDefine(char_t *name, void (*fn)(webs_t wp,
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char_t *path, char_t *query));
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extern char_t *websGetDefaultDir();
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extern char_t *websGetDefaultPage();
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extern char_t *websGetHostUrl();
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extern char_t *websGetPassword();
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extern int websGetPort();
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extern char_t *websGetPublishDir(char_t *path, char_t **urlPrefix);
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extern int websGetRequestBytes(webs_t wp);
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extern char_t *websGetRequestDir(webs_t wp);
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extern int websGetRequestFlags(webs_t wp);
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extern char_t *websGetRequestIpaddr(webs_t wp);
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extern char_t *websGetRequestLpath(webs_t wp);
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extern char_t *websGetRequestPath(webs_t wp);
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extern char_t *websGetRequestPassword(webs_t wp);
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extern char_t *websGetRequestType(webs_t wp);
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extern int websGetRequestWritten(webs_t wp);
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extern char_t *websGetVar(webs_t wp, char_t *var, char_t *def);
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extern void websHeader(webs_t wp);
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extern int websOpenListen(int port, int retries);
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extern int websPageOpen(webs_t wp, char_t *lpath, char_t *path,
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int mode, int perm);
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extern void websPageClose(webs_t wp);
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extern int websPublish(char_t *urlPrefix, char_t *path);
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extern void websRedirect(webs_t wp, char_t *url);
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extern void websSecurityDelete();
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extern int websSecurityHandler(webs_t wp, char_t *urlPrefix,
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char_t *webDir, int arg, char_t *url, char_t *path,
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char_t *query);
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extern void websSetDefaultDir(char_t *dir);
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extern void websSetDefaultPage(char_t *page);
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extern void websSetEnv(webs_t wp);
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extern void websSetHost(char_t *host);
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extern void websSetIpaddr(char_t *ipaddr);
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extern void websSetPassword(char_t *password);
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extern void websSetRequestBytes(webs_t wp, int bytes);
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extern void websSetRequestFlags(webs_t wp, int flags);
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extern void websSetRequestLpath(webs_t wp, char_t *lpath);
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extern void websSetRequestPath(webs_t wp, char_t *dir, char_t *path);
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extern char_t *websGetRequestUserName(webs_t wp);
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extern void websSetRequestWritten(webs_t wp, int written);
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extern void websSetVar(webs_t wp, char_t *var, char_t *value);
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extern int websTestVar(webs_t wp, char_t *var);
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extern int websUrlHandlerDefine(char_t *urlPrefix, char_t *webDir,
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int arg, int (*fn)(webs_t wp, char_t *urlPrefix,
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char_t *webDir, int arg, char_t *url, char_t *path,
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char_t *query), int flags);
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extern int websUrlHandlerDelete(int (*fn)(webs_t wp, char_t *urlPrefix,
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char_t *webDir, int arg, char_t *url, char_t *path,
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char_t *query));
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extern int websUrlHandlerRequest(webs_t wp);
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extern int websUrlParse(char_t *url, char_t **buf, char_t **host,
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char_t **path, char_t **port, char_t **query,
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char_t **proto, char_t **tag, char_t **ext);
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extern char_t *websUrlType(char_t *webs, char_t *buf, int charCnt);
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extern int websWrite(webs_t wp, char_t* fmt, ...);
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extern int websWriteBlock(webs_t wp, char_t *buf, int nChars);
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extern int websWriteBlockData(webs_t wp, char *buf, int nChars);
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extern int websValid(webs_t wp);
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extern int websValidateUrl(webs_t wp, char_t *path);
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extern int websCloseFileHandle(webs_t wp);
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/*
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* Prototypes for functions available when running as part of the
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* GoAhead Embedded Management Framework (EMF)
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*/
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#if EMF
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extern void websFormExplain(webs_t wp, char_t *path, char_t *query);
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#endif
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#endif /* _h_WEBS */
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/******************************************************************************/
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