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/* tinyproxy - A fast light-weight HTTP proxy
* Copyright (C) 2001 Robert James Kaes <rjkaes@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Create and free the connection structure. One day there could be
* other connection related tasks put here, but for now the header
* file and this file are only used for create/free functions and the
* connection structure definition.
*/
#include "main.h"
#include "buffer.h"
#include "conns.h"
#include "heap.h"
#include "log.h"
#include "stats.h"
struct conn_s *initialize_conn (int client_fd, const char *ipaddr,
const char *sock_ipaddr)
{
struct conn_s *connptr;
struct buffer_s *cbuffer, *sbuffer;
assert (client_fd >= 0);
/*
* Allocate the memory for all the internal components
*/
cbuffer = new_buffer ();
sbuffer = new_buffer ();
if (!cbuffer || !sbuffer)
goto error_exit;
/*
* Allocate the space for the conn_s structure itself.
*/
connptr = (struct conn_s *) safemalloc (sizeof (struct conn_s));
if (!connptr)
goto error_exit;
connptr->client_fd = client_fd;
connptr->server_fd = -1;
connptr->cbuffer = cbuffer;
connptr->sbuffer = sbuffer;
connptr->request_line = NULL;
/* These store any error strings */
connptr->error_variables = NULL;
connptr->error_string = NULL;
connptr->error_number = -1;
connptr->connect_method = FALSE;
connptr->show_stats = FALSE;
connptr->protocol.major = connptr->protocol.minor = 0;
/* There is _no_ content length initially */
connptr->content_length.server = connptr->content_length.client = -1;
connptr->server_ip_addr = (sock_ipaddr ?
safestrdup (sock_ipaddr) : NULL);
connptr->client_ip_addr = safestrdup (ipaddr);
connptr->upstream_proxy = NULL;
update_stats (STAT_OPEN);
#ifdef REVERSE_SUPPORT
connptr->reversepath = NULL;
#endif
return connptr;
error_exit:
/*
* If we got here, there was a problem allocating memory
*/
if (cbuffer)
delete_buffer (cbuffer);
if (sbuffer)
delete_buffer (sbuffer);
return NULL;
}
void destroy_conn (struct conn_s *connptr)
{
assert (connptr != NULL);
if (connptr->client_fd != -1)
if (close (connptr->client_fd) < 0)
log_message (LOG_INFO, "Client (%d) close message: %s",
connptr->client_fd, strerror (errno));
if (connptr->server_fd != -1)
if (close (connptr->server_fd) < 0)
log_message (LOG_INFO, "Server (%d) close message: %s",
connptr->server_fd, strerror (errno));
if (connptr->cbuffer)
delete_buffer (connptr->cbuffer);
if (connptr->sbuffer)
delete_buffer (connptr->sbuffer);
if (connptr->request_line)
safefree (connptr->request_line);
if (connptr->error_variables) {
char *k;
htab_value *v;
size_t it = 0;
while((it = htab_next(connptr->error_variables, it, &k, &v))) {
safefree(v->p);
safefree(k);
}
htab_destroy (connptr->error_variables);
}
if (connptr->error_string)
safefree (connptr->error_string);
if (connptr->server_ip_addr)
safefree (connptr->server_ip_addr);
if (connptr->client_ip_addr)
safefree (connptr->client_ip_addr);
#ifdef REVERSE_SUPPORT
if (connptr->reversepath)
safefree (connptr->reversepath);
#endif
safefree (connptr);
update_stats (STAT_CLOSE);
}
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