mod_usertrack.c revision ba09062ce0c7e0d6904a53aaf99896f5924b3989
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering/* ====================================================================
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * The Apache Software License, Version 1.1
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Copyright (c) 2000 The Apache Software Foundation. All rights
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * reserved.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Redistribution and use in source and binary forms, with or without
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * modification, are permitted provided that the following conditions
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * are met:
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * 1. Redistributions of source code must retain the above copyright
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * notice, this list of conditions and the following disclaimer.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * 2. Redistributions in binary form must reproduce the above copyright
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * notice, this list of conditions and the following disclaimer in
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * the documentation and/or other materials provided with the
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * distribution.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * 3. The end-user documentation included with the redistribution,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * if any, must include the following acknowledgment:
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * "This product includes software developed by the
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Apache Software Foundation (http://www.apache.org/)."
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Alternately, this acknowledgment may appear in the software itself,
1693a943ca581aca2beebb4c812ec6c9f17b8164Lennart Poettering * if and wherever such third-party acknowledgments normally appear.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * 4. The names "Apache" and "Apache Software Foundation" must
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen * not be used to endorse or promote products derived from this
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen * software without prior written permission. For written
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen * permission, please contact apache@apache.org.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen * 5. Products derived from this software may not be called "Apache",
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * nor may "Apache" appear in their name, without prior written
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * permission of the Apache Software Foundation.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
49699bac94d24b444274f91f85c82e6fad04d029Susant Sahani * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
db73295accbec0c6513817f0a64a92018592bb26Lennart Poettering * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
d8500c53789eafefe28d4ace088bf4b912280bf9Tom Gundersen * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
266b538958932e6fc27dfce4917336e70e17e29eTom Gundersen * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
288a74cce597f81d3ba01d8a5ca7d2ba5b654b7eRonny Chevalier * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * SUCH DAMAGE.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * ====================================================================
9085f64a6694f2928c79fcce365edb1dca6937d4Lennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * This software consists of voluntary contributions made by many
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * individuals on behalf of the Apache Software Foundation. For more
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * information on the Apache Software Foundation, please see
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * <http://www.apache.org/>.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Portions of this software are based upon public domain software
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * originally written at the National Center for Supercomputing Applications,
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * University of Illinois, Urbana-Champaign.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering */
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering/* User Tracking Module (Was mod_cookies.c)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * This Apache module is designed to track users paths through a site.
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen * It uses the client-side state ("Cookie") protocol developed by Netscape.
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen * It is known to work on Netscape browsers, Microsoft Internet
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Explorer and others currently being developed.
732b7f39a2b3b1a2af90102c6262186ae71197acRonny Chevalier *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Each time a page is requested we look to see if the browser is sending
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * us a Cookie: header that we previously generated.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * If we don't find one then the user hasn't been to this site since
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen * starting their browser or their browser doesn't support cookies. So
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen * we generate a unique Cookie for the transaction and send it back to
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * the browser (via a "Set-Cookie" header)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Future requests from the same browser should keep the same Cookie line.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * By matching up all the requests with the same cookie you can
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * work out exactly what path a user took through your site. To log
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * the cookie use the " %{Cookie}n " directive in a custom access log;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Example 1 : If you currently use the standard Log file format (CLF)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * and use the command "TransferLog somefilename", add the line
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * LogFormat "%h %l %u %t \"%r\" %s %b %{Cookie}n"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * to your config file.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Example 2 : If you used to use the old "CookieLog" directive, you
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * can emulate it by adding the following command to your config file
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * CustomLog filename "%{Cookie}n \"%r\" %t"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Notes:
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * 1. This code now logs the initial transaction (the one that created
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * the cookie to start with).
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * 2. This module has been designed to not interfere with other Cookies
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * your site may be using; just avoid sending out cookies with
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * the name "Apache=" or things will get confused.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * 3. If you want you can modify the Set-Cookie line so that the Cookie
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * never expires. You would then get the same Cookie each time the
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * user revisits your site.
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * Mark Cox, mark@ukweb.com, 6 July 95
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering *
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * This file replaces mod_cookies.c
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering */
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering#include "httpd.h"
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering#include "http_config.h"
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering#include "http_core.h"
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering#include "http_request.h"
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering#include "apr_strings.h"
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringmodule MODULE_VAR_EXPORT usertrack_module;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringtypedef struct {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering int always;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering int expires;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering} cookie_log_state;
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringtypedef struct {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering int enabled;
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen char *cookie_name;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering} cookie_dir_rec;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen/* Make Cookie: Now we have to generate something that is going to be
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering * pretty unique. We can base it on the pid, time, hostip */
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering#define COOKIE_NAME "Apache"
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringstatic void make_cookie(request_rec *r)
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen{
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering cookie_log_state *cls = ap_get_module_config(r->server->module_config,
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering &usertrack_module);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering /* 1024 == hardcoded constant */
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering char cookiebuf[1024];
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering char *new_cookie;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering const char *rname = ap_get_remote_host(r->connection, r->per_dir_config,
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering REMOTE_NAME);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering cookie_dir_rec *dcfg;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering dcfg = ap_get_module_config(r->per_dir_config, &usertrack_module);
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering /* XXX: hmm, this should really tie in with mod_unique_id */
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering apr_snprintf(cookiebuf, sizeof(cookiebuf), "%s.%qd", rname, apr_now());
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (cls->expires) {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering apr_exploded_time_t tms;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering apr_explode_gmt(&tms, r->request_time + cls->expires * APR_USEC_PER_SEC);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering /* Cookie with date; as strftime '%a, %d-%h-%y %H:%M:%S GMT' */
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering new_cookie = apr_psprintf(r->pool,
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering "%s=%s; path=/; expires=%s, %.2d-%s-%.2d %.2d:%.2d:%.2d GMT",
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering dcfg->cookie_name, cookiebuf, apr_day_snames[tms.tm_wday],
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering tms.tm_mday, apr_month_snames[tms.tm_mon],
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering tms.tm_year % 100,
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering tms.tm_hour, tms.tm_min, tms.tm_sec);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering }
a6a4f528899b1dab47408733b4a423c66ea40f7aThomas Hindoe Paaboel Andersen else {
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering new_cookie = apr_psprintf(r->pool, "%s=%s; path=/",
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering dcfg->cookie_name, cookiebuf);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering }
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering apr_table_setn(r->headers_out, "Set-Cookie", new_cookie);
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering apr_table_setn(r->notes, "cookie", apr_pstrdup(r->pool, cookiebuf)); /* log first time */
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering return;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering}
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poetteringstatic int spot_cookie(request_rec *r)
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering{
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering cookie_dir_rec *dcfg = ap_get_module_config(r->per_dir_config,
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering &usertrack_module);
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering const char *cookie;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering const char *value;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if (!dcfg->enabled) {
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering return DECLINED;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering }
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if ((cookie = apr_table_get(r->headers_in, "Cookie")))
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if ((value = ap_strstr_c(cookie, dcfg->cookie_name))) {
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering char *cookiebuf, *cookieend;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering value += strlen(dcfg->cookie_name) + 1; /* Skip over the '=' */
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering cookiebuf = apr_pstrdup(r->pool, value);
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering cookieend = strchr(cookiebuf, ';');
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering if (cookieend)
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering *cookieend = '\0'; /* Ignore anything after a ; */
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering /* Set the cookie in a note, for logging */
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering apr_table_setn(r->notes, "cookie", cookiebuf);
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering return DECLINED; /* There's already a cookie, no new one */
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering }
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering make_cookie(r);
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering return OK; /* We set our cookie */
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering}
266b538958932e6fc27dfce4917336e70e17e29eTom Gundersen
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersenstatic void *make_cookie_log_state(apr_pool_t *p, server_rec *s)
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen{
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering cookie_log_state *cls =
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering (cookie_log_state *) apr_palloc(p, sizeof(cookie_log_state));
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering cls->expires = 0;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen return (void *) cls;
f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt}
f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poetteringstatic void *make_cookie_dir(apr_pool_t *p, char *d)
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering{
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering cookie_dir_rec *dcfg;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering dcfg = (cookie_dir_rec *) apr_pcalloc(p, sizeof(cookie_dir_rec));
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen dcfg->cookie_name = COOKIE_NAME;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering dcfg->enabled = 0;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return dcfg;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering}
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen
f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidtstatic const char *set_cookie_enable(cmd_parms *cmd, void *mconfig, int arg)
f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt{
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering cookie_dir_rec *dcfg = mconfig;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
3e3db0ee860025ad663b13b0ace4e6d627611332Lennart Poettering dcfg->enabled = arg;
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return NULL;
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering}
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poetteringstatic const char *set_cookie_exp(cmd_parms *parms, void *dummy, const char *arg)
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering{
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering cookie_log_state *cls = ap_get_module_config(parms->server->module_config,
ab1525bc2d92780b4dc64bc5b9cdb52594e2df7dLennart Poettering &usertrack_module);
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen time_t factor, modifier = 0;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering time_t num = 0;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering char *word;
df3fb561b2df486a495a5f0bcc83168bd1860533Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering /* The simple case first - all numbers (we assume) */
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering if (apr_isdigit(arg[0]) && apr_isdigit(arg[strlen(arg) - 1])) {
d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen cls->expires = atol(arg);
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering return NULL;
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering }
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering /*
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering * The harder case - stolen from mod_expires
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering *
914d6c09f1a449c60c8495c179a8bbe012315ba2Tom Gundersen * CookieExpires "[plus] {<num> <type>}*"
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering */
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering word = ap_getword_conf(parms->pool, &arg);
3e3db0ee860025ad663b13b0ace4e6d627611332Lennart Poettering if (!strncasecmp(word, "plus", 1)) {
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering word = ap_getword_conf(parms->pool, &arg);
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering };
d57c365bf8f09fbcc649e00f7060ff30809f67c2Lennart Poettering
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering /* {<num> <type>}* */
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering while (word[0]) {
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering /* <num> */
6d0c65ffb4f82e8c6dceb453919b3db54343fc27Lennart Poettering if (apr_isdigit(word[0]))
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering num = atoi(word);
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering else
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering return "bad expires code, numeric value expected.";
ee8c45689526ca973407cbb77bce7b96a062c40bLennart Poettering
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen /* <type> */
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen word = ap_getword_conf(parms->pool, &arg);
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen if (!word[0])
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen return "bad expires code, missing <type>";
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen factor = 0;
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen if (!strncasecmp(word, "years", 1))
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen factor = 60 * 60 * 24 * 365;
888943fc6246b2917168fff59380b58b678ba157Lennart Poettering else if (!strncasecmp(word, "months", 2))
888943fc6246b2917168fff59380b58b678ba157Lennart Poettering factor = 60 * 60 * 24 * 30;
888943fc6246b2917168fff59380b58b678ba157Lennart Poettering else if (!strncasecmp(word, "weeks", 1))
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen factor = 60 * 60 * 24 * 7;
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen else if (!strncasecmp(word, "days", 1))
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen factor = 60 * 60 * 24;
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen else if (!strncasecmp(word, "hours", 1))
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen factor = 60 * 60;
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen else if (!strncasecmp(word, "minutes", 2))
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen factor = 60;
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen else if (!strncasecmp(word, "seconds", 1))
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen factor = 1;
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen else
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen return "bad expires code, unrecognized type";
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen modifier = modifier + factor * num;
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen /* next <num> */
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen word = ap_getword_conf(parms->pool, &arg);
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen }
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen cls->expires = modifier;
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen return NULL;
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen}
69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersenstatic const char *set_cookie_name(cmd_parms *cmd, void *mconfig, const char *name)
81fd1dd3a2cf4cc90a6898d562c9bb0fb238cbd7Tom Gundersen{
69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering cookie_dir_rec *dcfg = (cookie_dir_rec *) mconfig;
69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering
69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering dcfg->cookie_name = apr_pstrdup(cmd->pool, name);
69fb1176c403e437c4fba763ba242b540c73898fLennart Poettering return NULL;
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen}
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersenstatic const command_rec cookie_log_cmds[] = {
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen AP_INIT_TAKE1("CookieExpires", set_cookie_exp, NULL, RSRC_CONF,
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen "an expiry date code"),
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen AP_INIT_FLAG("CookieTracking", set_cookie_enable, NULL, OR_FILEINFO,
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen "whether or not to enable cookies"),
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen AP_INIT_TAKE1("CookieName", set_cookie_name, NULL, OR_FILEINFO,
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen "name of the tracking cookie"),
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen {NULL}
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen};
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersenstatic void register_hooks(void)
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen{
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen ap_hook_fixups(spot_cookie,NULL,NULL,AP_HOOK_MIDDLE);
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen}
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersenmodule MODULE_VAR_EXPORT usertrack_module = {
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen STANDARD20_MODULE_STUFF,
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen make_cookie_dir, /* dir config creater */
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen NULL, /* dir merger --- default is to override */
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen make_cookie_log_state, /* server config */
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen NULL, /* merge server configs */
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen cookie_log_cmds, /* command apr_table_t */
1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen NULL, /* handlers */
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen register_hooks /* register hooks */
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen};
c09da72900b03fcddade06643f24c6357f3e0482Tom Gundersen