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#line 2 "apache_eapi.c"
/*-
* C-SaCzech
* Copyright (c) 1996-2002 Jaromir Dolecek <dolecek@ics.muni.cz>
* 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 acknowledgement:
* This product includes software developed by Jaromir Dolecek
* for the CSacek project.
* 4. The name of Jaromir Dolecek may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY JAROMIR DOLECEK ``AS IS'' AND ANY EXPRESS 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 JAROMIR DOLECEK 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.
*/
/* $Id: apache_eapi.c,v 1.4 2002/02/03 11:13:41 dolecek Exp $ */
/* no need to include anything, apache.c includes everything we need
* for us (*.c are concatenated into one big mod_csacek.c) */
#ifdef EAPI
#include <sys/uio.h>
/*
* This file contains CSacek's Apache EAPI specific code. Most of this are
* just stubs for now. Stay tuned.
*/
#if notyet
/* this is set to point at mod_ssl module structure, when loaded */
static module *mod_ssl_module = NULL;
/* local functions */
static int x_csa_eapi_read __P((BUFF *, void *, int));
static int x_csa_eapi_write __P((BUFF *, const void *, int));
static int x_csa_eapi_writev __P((BUFF *, const struct iovec *, int));
#endif
void
csa_eapi_init()
{
#if notyet
/*
* We need to reconfigure ap::buff:* to AP_HOOK_ALL. The sig
* has to be same as the one specified in the original initialization
* code in http_main.c.
*/
ap_hook_configure("ap::buff::read",
AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_ALL);
ap_hook_configure("ap::buff::write",
AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_ALL);
#ifndef NO_WRITEV
ap_hook_configure("ap::buff::writev",
AP_HOOK_SIG4(int,ptr,ptr,int), AP_HOOK_ALL);
#endif
/*
* Yes, this is a hack, but needed - the EAPI has no way to tell
* the order in which hooks are called - new hooks are always put
* on start of hook array. CSacek needs to "read"
* _after_ the SSL read is done and "write" before it. It has to
* register it's "read" routine before mod_ssl, so that it appears
* after mod_ssl's "read" routine; CSacek "write" routines need
* to be added after mod_ssl's "write" routines, so that CSacek ones
* are called before mod_ssl ones.
*/
if (mod_ssl_module) {
/* mod_ssl was loaded, deinitialize it */
mod_ssl_module->remove_module(mod_ssl_module);
}
ap_hook_register("ap::buff::read", x_csa_eapi_read, AP_HOOK_NOCTX);
if (mod_ssl_module) {
/* initialize mod_ssl again */
mod_ssl_module->add_module(mod_ssl_module);
}
ap_hook_register("ap::buff::write", x_csa_eapi_write, AP_HOOK_NOCTX);
#ifndef NO_WRITEV
ap_hook_register("ap::buff::writev", x_csa_eapi_writev, AP_HOOK_NOCTX);
#endif /* NO_WRITEV */
#endif /* notyet */
}
#if 0
static int
x_csa_eapi_read(BUFF *fb, void *buf, int len)
{
printf("csa_eapi_read\n");
return read(fb->fd_in, buf, len);
}
static int
x_csa_eapi_write(BUFF *fb, const void *buf, int len)
{
char *copy = alloca(len + 1);
conn_rec *conn = ap_ctx_get(fb->ctx, "csacek");
memcpy(copy, buf, len);
copy[len] = 0;
ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR,
conn->server, "csa_eapi_write: %s", copy);
return write(fb->fd, buf, len);
}
#ifndef NO_WRITEV
static int
x_csa_eapi_writev(BUFF *fb, const struct iovec *iov, int iovcnt)
{
printf("csa_eapi_writev\n");
return writev(fb->fd, iov, iovcnt);
}
#endif /* NO_WRITEV */
#endif /* 0 */
/*
* Hook to find out if mod_ssl has been loaded. This is a hack, but
* necessary for later filter registering.
*/
void
csa_eapi_addmodule(module *m)
{
#if 0
if (strcasecmp(m->name, "mod_ssl.c") == 0)
mod_ssl_module = m;
#endif
};
/*
* This is called on module removal.
*/
void
csa_eapi_removemodule(module *m)
{
#if 0
if (m == mod_ssl_module)
mod_ssl_module = NULL;
else if (m == &csacek_module) {
ap_hook_unregister("ap::buff::read", x_csa_eapi_read);
ap_hook_unregister("ap::buff::write", x_csa_eapi_write);
#ifndef NO_WRITEV
ap_hook_unregister("ap::buff::writev", x_csa_eapi_writev);
#endif
}
#endif /* 0 */
};
/*
* Hook called after connection is eastablished but before any data is
* read.
*/
void
csa_eapi_newconnection(conn_rec *conn)
{
#if 0
ap_ctx_set(conn->client->ctx, "csacek", conn);
#endif
}
/*
* This is called just before a connection is closed.
*/
void
csa_eapi_closeconnection(conn_rec *conn)
{
#if 0
ap_ctx_set(conn->client->ctx, "csacek", NULL);
#endif
}
#endif /* EAPI */
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