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