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1026 |
ivang |
/*
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* wsIntrn.h -- Internal GoAhead Web server header
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*
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* Copyright (c) GoAhead Software Inc., 1992-2000. 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_INTERNAL
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#define _h_WEBS_INTERNAL 1
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/******************************** Description *********************************/
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/*
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* Internal GoAhead Web Server header. This defines the Web private APIs
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* Include this header when you want to create URL handlers.
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*/
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/*********************************** Defines **********************************/
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/*
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* Define this to enable login of web accesses to a file
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* #define WEBS_LOG_SUPPORT 1
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*
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* Define this to enable HTTP/1.1 keep alive support
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* #define WEBS_KEEP_ALIVE_SUPPORT 1
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*
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* Define this to enable if-modified-since support
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* #define WEBS_IF_MODIFIED_SUPPORT 1
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*
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* Define this to support proxy capability and track local vs remote request
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* Note: this is not yet fully implemented.
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* #define WEBS_PROXY_SUPPORT 1
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*
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* Define this to support reading pages from ROM
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* #define WEBS_PAGE_ROM 1
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*
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* Define this to enable memory allocation and stack usage tracking
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* #define B_STATS 1
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*/
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/********************************** Includes **********************************/
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#if WIN
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <io.h>
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#endif
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#if CE
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#if ! UEMF
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#include <io.h>
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#endif
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#endif
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#if NW
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#include <fcntl.h>
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#include <sys/stat.h>
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#endif
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#if SCOV5
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <unistd.h>
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#endif
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#if LYNX
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <unistd.h>
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#endif
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#if UNIX
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <unistd.h>
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#endif
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#if QNX4
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <unistd.h>
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#include <unix.h>
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#endif
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#if UW
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#include <fcntl.h>
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#include <sys/stat.h>
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#endif
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#if VXWORKS
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#include <vxWorks.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#endif
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#if SOLARIS
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#include <macros.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#endif
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#if UEMF
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#include "uemf.h"
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#include "ejIntrn.h"
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#else
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#include "emf/emfInternal.h"
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#include "ej/ejIntrn.h"
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#endif
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#include "webs.h"
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/********************************** Defines ***********************************/
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/*
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* Read handler flags and state
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*/
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#define WEBS_BEGIN 0x1 /* Beginning state */
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#define WEBS_HEADER 0x2 /* Ready to read first line */
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#define WEBS_POST 0x4 /* POST without content */
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#define WEBS_POST_CLEN 0x8 /* Ready to read content for POST */
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#define WEBS_PROCESSING 0x10 /* Processing request */
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#define WEBS_KEEP_TIMEOUT 15000 /* Keep-alive timeout (15 secs) */
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#define WEBS_TIMEOUT 60000 /* General request timeout (60) */
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#define PAGE_READ_BUFSIZE 512 /* bytes read from page files */
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#define MAX_PORT_LEN 10 /* max digits in port number */
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#define WEBS_SYM_INIT 64 /* initial # of sym table entries */
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#define WEBS_VERSION_STR T("2.1.3") /* version of web server s/w */
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/*
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* URL handler structure. Stores the leading URL path and the handler
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* function to call when the URL path is seen.
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*/
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typedef struct {
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int (*handler)(webs_t wp, char_t *urlPrefix, char_t *webDir, int arg,
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char_t *url, char_t *path,
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char_t *query); /* Callback URL handler function */
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char_t *webDir; /* Web directory if required */
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char_t *urlPrefix; /* URL leading prefix */
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int len; /* Length of urlPrefix for speed */
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int arg; /* Argument to provide to handler */
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int flags; /* Flags */
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} websUrlHandlerType;
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/*
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* Webs statistics
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*/
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typedef struct {
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long errors; /* General errors */
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long redirects;
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long net_requests;
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long activeNetRequests;
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long activeBrowserRequests;
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long timeouts;
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long access; /* Access violations */
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long localHits;
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long remoteHits;
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long formHits;
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long cgiHits;
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long handlerHits;
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} websStatsType;
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extern websStatsType websStats; /* Web access stats */
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/*
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* Error code list
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*/
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typedef struct {
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int code; /* HTTP error code */
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char_t *msg; /* HTTP error message */
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} websErrorType;
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/*
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* Mime type list
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*/
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typedef struct {
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char_t *type; /* Mime type */
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char_t *ext; /* File extension */
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} websMimeType;
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/*
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* File information structure.
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*/
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typedef struct {
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unsigned long size; /* File length */
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int isDir; /* Set if directory */
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time_t mtime; /* Modified time */
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} websStatType;
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/*
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* Compiled Rom Page Index
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*/
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typedef struct {
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char_t *path; /* Web page URL path */
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const unsigned char *page; /* Web page data */
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int size; /* Size of web page in bytes */
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int pos; /* Current read position */
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} websRomPageIndexType;
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/*
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* Defines for file open.
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*/
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#ifndef CE
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#define SOCKET_RDONLY O_RDONLY
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#define SOCKET_BINARY O_BINARY
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#else /* CE */
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#define SOCKET_RDONLY 0x1
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#define SOCKET_BINARY 0x2
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#endif /* CE */
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extern websRomPageIndexType websRomPageIndex[];
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extern websMimeType websMimeList[]; /* List of mime types */
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extern sym_fd_t websMime; /* Set of mime types */
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extern webs_t* webs; /* Session list head */
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extern int websMax; /* List size */
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extern char_t websHost[64]; /* Name of this host */
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extern char_t websIpaddr[64]; /* IP address of this host */
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extern char_t *websHostUrl; /* URL for this host */
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extern char_t *websIpaddrUrl; /* URL for this host */
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extern int websPort; /* Port number */
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/******************************** Prototypes **********************************/
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extern int websAspOpen();
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extern void websAspClose();
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extern void websFormOpen();
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extern void websFormClose();
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extern int websAspWrite(int ejid, webs_t wp, int argc, char_t **argv);
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extern void websDefaultClose();
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extern int websDefaultHandler(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 websFormHandler(webs_t wp, char_t *urlPrefix, char_t *webDir,
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int arg, char_t *url, char_t *path, char_t *query);
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extern int websCgiHandler(webs_t wp, char_t *urlPrefix, char_t *webDir,
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int arg, char_t *url, char_t *path, char_t *query);
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extern void websCgiCleanup();
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extern int websCheckCgiProc(int handle);
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extern char_t *websGetCgiCommName();
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extern int websLaunchCgiProc(char_t *cgiPath, char_t **argp,
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char_t **envp, char_t *stdIn, char_t *stdOut);
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extern int websOpen(int sid);
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extern void websResponse(webs_t wp, int code, char_t *msg,
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char_t *redirect);
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extern int websJavaScriptEval(webs_t wp, char_t *script);
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extern int websPageReadData(webs_t wp, char *buf, int nBytes);
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extern int websPageOpen(webs_t wp, char_t *lpath, char_t *path, int mode,
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int perm);
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extern void websPageClose(webs_t wp);
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extern void websPageSeek(webs_t wp, long offset);
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extern int websPageStat(webs_t wp, char_t *lpath, char_t *path,
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websStatType *sbuf);
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extern int websPageIsDirectory(char_t *lpath);
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extern int websRomOpen();
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extern void websRomClose();
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extern int websRomPageOpen(webs_t wp, char_t *path, int mode, int perm);
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extern void websRomPageClose(int fd);
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extern int websRomPageReadData(webs_t wp, char *buf, int len);
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extern int websRomPageStat(char_t *path, websStatType *sbuf);
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extern long websRomPageSeek(webs_t wp, long offset, int origin);
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extern void websSetRequestSocketHandler(webs_t wp, int mask,
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void (*fn)(webs_t wp));
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extern int websSolutionHandler(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 websUrlHandlerClose();
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extern int websUrlHandlerOpen();
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extern int websOpenServer(int port, int retries);
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extern void websCloseServer();
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extern char_t* websGetDateString(websStatType* sbuf);
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extern int strcmpci(char_t* s1, char_t* s2);
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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 int websEmfOpen();
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extern void websEmfClose();
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extern void websSetEmfEnvironment(webs_t wp);
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#endif
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#if CE
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extern int writeUniToAsc(int fid, void *buf, unsigned int len);
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extern int readAscToUni(int fid, void **buf, unsigned int len);
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#endif
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#endif /* _h_WEBS_INTERNAL */
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/******************************************************************************/
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