httpd.h

/*
** Copyright (c) 2002  Hughes Technologies Pty Ltd.  All rights
** reserved.
**
** Terms under which this software may be used or copied are
** provided in the  specific license associated with this product.
**
** hUghes Technologies disclaims all warranties with regard to this
** software, including all implied warranties of merchantability and
** fitness, in no event shall Hughes Technologies be liable for any
** special, indirect or consequential damages or any damages whatsoever
** resulting from loss of use, data or profits, whether in an action of
** contract, negligence or other tortious action, arising out of or in
** connection with the use or performance of this software.
**
**
** $Id: httpd.h,v 1.3 2004/11/17 23:54:24 alexcv Exp $
**
*/

/*
**  libhttpd Header File
*/


/***********************************************************************
** Standard header preamble.  Ensure singular inclusion, setup for
** function prototypes and c++ inclusion
*/

#ifndef LIB_HTTPD_H

#define LIB_HTTPD_H 1

#if !defined(__ANSI_PROTO)
#if defined(_WIN32) || defined(__STDC__) || defined(__cplusplus)
#  define __ANSI_PROTO(x)       x
#else
#  define __ANSI_PROTO(x)       ()
#endif
#endif

#ifdef __cplusplus
extern "C" {
#endif



/***********************************************************************
** Macro Definitions
*/


#define HTTP_PORT               80
#define HTTP_MAX_LEN            10240
#define HTTP_MAX_URL            1024
#define HTTP_MAX_HEADERS        1024
#define HTTP_MAX_AUTH           128
#define HTTP_IP_ADDR_LEN        17
#define HTTP_TIME_STRING_LEN    40
#define HTTP_READ_BUF_LEN       4096
#define HTTP_ANY_ADDR           NULL

#define HTTP_GET                1
#define HTTP_POST               2

#define HTTP_TRUE               1
#define HTTP_FALSE              0

#define HTTP_FILE               1
#define HTTP_C_FUNCT            2
#define HTTP_EMBER_FUNCT        3
#define HTTP_STATIC             4
#define HTTP_WILDCARD           5
#define HTTP_C_WILDCARD         6

#define HTTP_METHOD_ERROR "\n<B>ERROR : Method Not Implemented</B>\n\n"

#define httpdRequestMethod(s)           s->request.method
#define httpdRequestPath(s)             s->request.path
#define httpdRequestContentType(s)      s->request.contentType
#define httpdRequestContentLength(s)    s->request.contentLength

#define HTTP_ACL_PERMIT         1
#define HTTP_ACL_DENY           2



extern char     LIBHTTPD_VERSION[],
                LIBHTTPD_VENDOR[];

/***********************************************************************
** Type Definitions
*/

typedef struct {
        int     method,
                contentLength,
                authLength;
        char    path[HTTP_MAX_URL],
                host[HTTP_MAX_URL], /* acv@acv.ca/wifidog: Added decoding
                                       of host: header if present. */
                userAgent[HTTP_MAX_URL],
                referer[HTTP_MAX_URL],
                ifModified[HTTP_MAX_URL],
                contentType[HTTP_MAX_URL],
                authUser[HTTP_MAX_AUTH],
                authPassword[HTTP_MAX_AUTH];
} httpReq;


typedef struct _httpd_var{
        char    *name,
                *value;
        struct  _httpd_var      *nextValue,
                                *nextVariable;
} httpVar;

typedef struct _httpd_content{
        char    *name;
        int     type,
                indexFlag;
        void    (*function)();
        char    *data,
                *path;
        int     (*preload)();
        struct  _httpd_content  *next;
} httpContent;

typedef struct {
        int             responseLength;
        httpContent     *content;
        char            headersSent,
                        headers[HTTP_MAX_HEADERS],
                        response[HTTP_MAX_URL],
                        contentType[HTTP_MAX_URL];
} httpRes;


typedef struct _httpd_dir{
        char    *name;
        struct  _httpd_dir *children,
                        *next;
        struct  _httpd_content *entries;
} httpDir;


typedef struct ip_acl_s{
        int     addr;
        char    len,
                action;
        struct  ip_acl_s *next;
} httpAcl;

typedef struct _httpd_404 {
        void    (*function)();
} http404;

typedef struct {
        int     port,
                serverSock,
                startTime,
                lastError;
        char    fileBasePath[HTTP_MAX_URL],
                *host;
        httpDir *content;
        httpAcl *defaultAcl;
        http404  *handle404;
        FILE    *accessLog,
                *errorLog;
} httpd;

typedef struct {
        int     clientSock,
                readBufRemain;
        httpReq request;
        httpRes response;
        httpVar *variables;
        char    readBuf[HTTP_READ_BUF_LEN + 1],
                *readBufPtr,
                clientAddr[HTTP_IP_ADDR_LEN];
} request;

/***********************************************************************
** Function Prototypes
*/


int httpdAddCContent __ANSI_PROTO((httpd*,char*,char*,int,int(*)(),void(*)()));
int httpdAddFileContent __ANSI_PROTO((httpd*,char*,char*,int,int(*)(),char*));
int httpdAddStaticContent __ANSI_PROTO((httpd*,char*,char*,int,int(*)(),char*));
int httpdAddWildcardContent __ANSI_PROTO((httpd*,char*,int(*)(),char*));
int httpdAddCWildcardContent __ANSI_PROTO((httpd*,char*,int(*)(),void(*)()));
int httpdAddVariable __ANSI_PROTO((request*, char*, char*));
request *httpdGetConnection __ANSI_PROTO((httpd*, struct timeval*));
int httpdReadRequest __ANSI_PROTO((httpd*, request*));
int httpdCheckAcl __ANSI_PROTO((httpd*, request *, httpAcl*));
int httpdAddC404Content __ANSI_PROTO((httpd*,void(*)()));

char *httpdRequestMethodName __ANSI_PROTO((request*));
char *httpdUrlEncode __ANSI_PROTO((char *));

void httpdAddHeader __ANSI_PROTO((request*, char*));
void httpdSetContentType __ANSI_PROTO((request*, char*));
void httpdSetResponse __ANSI_PROTO((request*, char*));
void httpdEndRequest __ANSI_PROTO((request*));

httpd *httpdCreate __ANSI_PROTO(());
void httpdFreeVariables __ANSI_PROTO((request*));
void httpdDumpVariables __ANSI_PROTO((request*));
void httpdOutput __ANSI_PROTO((request*, char*));
void httpdPrintf __ANSI_PROTO((request*, char*, ...));
void httpdProcessRequest __ANSI_PROTO((httpd*, request *));
void httpdSendHeaders __ANSI_PROTO((request*));
void httpdSetFileBase __ANSI_PROTO((httpd*, char*));
void httpdSetCookie __ANSI_PROTO((request*, char*, char*));

void httpdSetErrorLog __ANSI_PROTO((httpd*, FILE*));
void httpdSetAccessLog __ANSI_PROTO((httpd*, FILE*));
void httpdSetDefaultAcl __ANSI_PROTO((httpd*, httpAcl*));

httpVar *httpdGetVariableByName __ANSI_PROTO((request*, char*));
httpVar *httpdGetVariableByPrefix __ANSI_PROTO((request*, char*));
httpVar *httpdGetVariableByPrefixedName __ANSI_PROTO((request*, char*, char*));
httpVar *httpdGetNextVariableByPrefix __ANSI_PROTO((httpVar*, char*));

httpAcl *httpdAddAcl __ANSI_PROTO((httpd*, httpAcl*, char*, int));


/***********************************************************************
** Standard header file footer.  
*/

#ifdef __cplusplus
        }
#endif /* __cplusplus */
#endif /* file inclusion */

---