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-
- /* ====================================================================
- * Copyright (c) 1995 The Apache Group. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * 4. The names "Apache Server" and "Apache Group" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission.
- *
- * 5. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
- * IT'S CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Group and was originally based
- * on public domain software written at the National Center for
- * Supercomputing Applications, University of Illinois, Urbana-Champaign.
- * For more information on the Apache Group and the Apache HTTP server
- * project, please see <http://www.apache.org/>.
- *
- */
-
- /*
- * mod_sp.c: server-push
- *
- * Sameer Parekh
- */
-
- #include "httpd.h"
- #include "http_config.h"
- #include "http_request.h"
- #include "http_core.h"
- #include "http_protocol.h"
- #include "http_main.h"
- #include "http_log.h"
- #include "util_script.h"
-
- #define BOUNDARY "2387lcskdncluvw3doiqefdup9w47dwechsdkcsdfv"
-
- /* Process the animation file */
- void do_animation(FILE *f, request_rec *r)
- {
- int errstatus, time;
- char buf[MAX_STRING_LEN];
- char fname[MAX_STRING_LEN], ctype[MAX_STRING_LEN];
- FILE *fp;
- struct stat st;
-
- while(fgets(buf, MAX_STRING_LEN, f))
- {
- /* parse 'buf' */
- if(sscanf(buf, "File: %s Type: %s", fname, ctype) == 2)
- {
- /* Get a file */
-
- /* Check permissions, etc. */
- if(stat(fname, &st))
- {
- log_reason("can't stat", fname, r);
- continue;
- }
- if(st.st_uid != r->finfo.st_uid)
- {
- log_reason("owners don't match", fname, r);
- continue;
- }
-
- fp = fopen(fname, "r");
- if(fp == NULL)
- {
- log_reason("can't open", fname, r);
- continue;
- }
- /* Send the file */
- rprintf(r, "--%s\n", BOUNDARY);
- rprintf(r, "Content-type: %s\n\n", ctype);
-
- send_fd (fp, r);
- rputc('\n', r);
- fclose(fp);
- }
- /* Sleep directive */
- else if(sscanf(buf, "Sleep: %d", &time) == 1)
- {
- sleep(time);
- }
- }
- rprintf(r, "--%s--\n", BOUNDARY);
- }
-
- int sp_handler (request_rec *r)
- {
- int errstatus, ret;
- FILE *f;
-
- if (r->method_number != M_GET) return DECLINED;
- if (r->finfo.st_mode == 0) {
- log_reason("File does not exist", r->filename, r);
- return NOT_FOUND;
- }
-
- f = fopen (r->filename, "r");
-
- if (f == NULL) {
- log_reason("file permissions deny server access", r->filename, r);
- return FORBIDDEN;
- }
-
- soft_timeout ("send", r);
-
- /* Set content-type */
- r->content_type = (char *) palloc(r->pool, MAX_STRING_LEN);
- sprintf(r->content_type, "multipart/x-mixed-replace;boundary=%s\n",
- BOUNDARY);
-
- send_http_header (r);
- if (!r->header_only) do_animation(f, r);
- fclose(f);
- return OK;
- }
-
- handler_rec sp_handlers[] = {
- { "application/x-httpd-serverpush", sp_handler },
- { NULL }
- };
-
- module sp_module = {
- STANDARD_MODULE_STUFF,
- NULL, /* initializer */
- NULL, /* dir config creater */
- NULL, /* dir merger --- default is to override */
- NULL, /* server config */
- NULL, /* merge server config */
- NULL, /* command table */
- sp_handlers, /* handlers */
- NULL, /* filename translation */
- NULL, /* check_user_id */
- NULL, /* check auth */
- NULL, /* check access */
- NULL, /* type_checker */
- NULL, /* fixups */
- NULL /* logger */
- };
-