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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. 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. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``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 SOFTWARE FOUNDATION OR
* ITS 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 Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include <string.h>
#include <stdlib.h>
#include "config.h"
#include "flood_net.h"
#include "flood_net_ssl.h"
#include "flood_socket_generic.h"
typedef struct {
void *s;
int wantresponse; /* A boolean */
int ssl; /* A boolean */
} generic_socket_t;
apr_status_t generic_socket_init(socket_t **sock, apr_pool_t *pool)
{
generic_socket_t *new_gsock;
new_gsock = (generic_socket_t *)apr_palloc(pool, sizeof(generic_socket_t));
if (new_gsock == NULL)
return APR_ENOMEM;
new_gsock->s = NULL;
*sock = new_gsock;
return APR_SUCCESS;
}
/**
* Generic implementation for begin_conn
*/
apr_status_t generic_begin_conn(socket_t *sock, request_t *req, apr_pool_t *pool)
{
generic_socket_t *gsock = (generic_socket_t *)sock;
if (strcasecmp(req->parsed_uri->scheme, "https") == 0)
gsock->ssl = 1;
else
gsock->ssl = 0;
/* The return types are not identical, so it can't be a ternary
* operation. */
if (gsock->ssl)
gsock->s = ssl_open_socket(pool, req);
else
gsock->s = open_socket(pool, req);
if (gsock->s == NULL)
return APR_EGENERAL;
req->keepalive = 0; /* FIXME: Maybe move this into flood_socket_t */
return APR_SUCCESS;
}
/**
* Generic implementation for send_req.
*/
apr_status_t generic_send_req(socket_t *sock, request_t *req, apr_pool_t *pool)
{
generic_socket_t *gsock = (generic_socket_t *)sock;
gsock->wantresponse = req->wantresponse;
return gsock->ssl ? ssl_write_socket(gsock->s, req) :
write_socket(gsock->s, req);
}
/**
* Generic implementation for recv_resp.
*/
apr_status_t generic_recv_resp(response_t **resp, socket_t *sock, apr_pool_t *pool)
{
char b[MAX_DOC_LENGTH];
int i;
response_t *new_resp;
apr_status_t status;
generic_socket_t *gsock = (generic_socket_t *)sock;
new_resp = apr_pcalloc(pool, sizeof(response_t));
new_resp->rbuftype = POOL;
if (gsock->wantresponse)
{
/* Ugh, we want everything. */
int currentalloc;
char *cp, *op;
new_resp->rbufsize = 0;
currentalloc = MAX_DOC_LENGTH;
new_resp->rbuf = apr_palloc(pool, currentalloc);
cp = new_resp->rbuf;
do
{
i = MAX_DOC_LENGTH - 1;
status = gsock->ssl ? ssl_read_socket(gsock->s, b, &i)
: read_socket(gsock->s, b, &i);
if (new_resp->rbufsize + i > currentalloc)
{
/* You can think why this always work. */
currentalloc *= 2;
op = new_resp->rbuf;
new_resp->rbuf = apr_palloc(pool, currentalloc);
memcpy(new_resp->rbuf, op, cp - op);
cp = new_resp->rbuf + (cp - op);
}
memcpy(cp, b, i);
new_resp->rbufsize += i;
cp += i;
}
while (status != APR_EOF && status != APR_TIMEUP);
}
else
{
/* We just want to store the first chunk read. */
new_resp->rbufsize = MAX_DOC_LENGTH - 1;
new_resp->rbuf = apr_palloc(pool, new_resp->rbufsize);
status = gsock->ssl ? ssl_read_socket(gsock->s, new_resp->rbuf,
&new_resp->rbufsize) :
read_socket(gsock->s, new_resp->rbuf,
&new_resp->rbufsize);
while (status != APR_EOF && status != APR_TIMEUP) {
i = MAX_DOC_LENGTH - 1;
status = gsock->ssl ? ssl_read_socket(gsock->s, b, &i) :
read_socket(gsock->s, b, &i);
}
if (status != APR_SUCCESS && status != APR_EOF) {
return status;
}
}
*resp = new_resp;
return APR_SUCCESS;
}
/**
* Generic implementation for end_conn.
*/
apr_status_t generic_end_conn(socket_t *sock, request_t *req, response_t *resp)
{
generic_socket_t *gsock = (generic_socket_t *)sock;
gsock->ssl ? ssl_close_socket : close_socket(gsock->s);
return APR_SUCCESS;
}
/**
* Generic implementation for socket_destroy.
*/
apr_status_t generic_socket_destroy(socket_t *socket)
{
/* The socket is closed after each request (generic doesn't
* support keepalive), so there's nothing to do here */
return APR_SUCCESS;
}