90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/* process.c
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*
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* This file is part of httpd.
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*
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* 02/17/1996 Michael Temari <Michael@TemWare.Com>
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* 07/07/1996 Initial Relase Michael Temari <Michael@TemWare.Com>
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* 12/29/2002 Michael Temari <Michael@TemWare.Com>
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* 05/14/2006 Michael Temari <Michael@TemWare.Com>
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include "config.h"
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#include "http.h"
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#include "utility.h"
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int processrequest(rq, rp)
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struct http_request *rq;
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struct http_reply *rp;
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{
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/* clear out http_reply */
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memset(rp, 0, sizeof(*rp));
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rp->status = HTTP_STATUS_OK;
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strcpy(rp->statusmsg, "OK");
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rp->modtime = (time_t) -1;
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rp->urlaccess = -1;
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rp->size = 0;
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rp->fd = -1;
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rp->ofd = -1;
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rp->pid = 0;
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if(Redirect != NULL) {
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rp->status = HTTP_STATUS_MOVED_PERM;
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strcpy(rp->realurl, Redirect);
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strcat(rp->realurl, rq->uri);
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strcpy(rq->url, rp->realurl);
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return(0);
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}
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/* Simple requests can only be a GET */
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if(rq->type == HTTP_REQUEST_TYPE_SIMPLE && rq->method != HTTP_METHOD_GET) {
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rp->status = HTTP_STATUS_BAD_REQUEST;
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strcpy(rp->statusmsg, "Bad request");
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return(0);
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}
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/* I don't know this method */
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if(rq->method == HTTP_METHOD_UNKNOWN) {
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rp->status = HTTP_STATUS_NOT_IMPLEMENTED;
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strcpy(rp->statusmsg, "Method not implemented");
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return(0);
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}
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/* Check for access and real location of url */
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if(police(rq, rp))
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return(-1);
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/* We're done if there was an error accessing the url */
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if(rp->status != HTTP_STATUS_OK)
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return(0);
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/* Check to see if we have a newer version for them */
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if(rq->method == HTTP_METHOD_GET)
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if(rq->ifmodsince != (time_t) -1)
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if(rq->ifmodsince < time((time_t *)NULL))
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if(rp->modtime != (time_t) -1 && rp->modtime <= rq->ifmodsince) {
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rp->status = HTTP_STATUS_NOT_MODIFIED;
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strcpy(rp->statusmsg, "Not modified");
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close(rp->fd);
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rp->fd = -1;
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return(0);
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}
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rp->status = HTTP_STATUS_OK;
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strcpy(rp->statusmsg, "OK");
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if(rp->size != 0)
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rp->keepopen = rq->keepopen;
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return(0);
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}
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