116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/*
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* $Id: connection.h,v 1.40 2005/04/12 19:34:35 nohar Exp $
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*
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* This file is part of the bip project
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* Copyright (C) 2004,2005 Arnaud Cornet
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* Copyright (C) 2004,2005,2022 Loïc Gomez
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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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* See the file "COPYING" for the exact licensing terms.
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*/
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#ifndef CONNECTION_H
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#define CONNECTION_H
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#include "util.h"
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#include <signal.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <errno.h>
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#include <netdb.h>
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#ifdef HAVE_LIBSSL
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#include <openssl/crypto.h>
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#include <openssl/x509.h>
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#include <openssl/rand.h>
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#include <openssl/pem.h>
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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#include <openssl/bio.h>
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#endif
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#define CONN_BUFFER_SIZE 8192
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#define CONN_OK 1
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#define CONN_TIMEOUT 2
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#define CONN_ERROR 3
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#define CONN_INPROGRESS 4
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#define CONN_DISCONN 5
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#define CONN_EXCEPT 6
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#define CONN_NEW 7
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#define CONN_NEED_SSLIZE 8
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#define CONN_UNTRUSTED 9
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#define WRITE_OK 0
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#define WRITE_ERROR -1
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#define WRITE_KEEP -2
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#ifdef HAVE_LIBSSL
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#define SSL_CHECK_NONE (0)
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#define SSL_CHECK_BASIC (1)
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#define SSL_CHECK_CA (2)
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#endif
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struct connecting_data;
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typedef struct connection {
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int anti_flood;
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int ssl;
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unsigned long lasttoken;
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unsigned token;
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int handle;
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int connected;
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int listening;
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int client;
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time_t connect_time;
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time_t timeout;
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char *incoming;
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size_t incoming_end;
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list_t *outgoing;
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char *partial;
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list_t *incoming_lines;
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void *user_data;
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struct connecting_data *connecting_data;
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#ifdef HAVE_LIBSSL
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SSL_CTX *ssl_ctx_h;
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SSL *ssl_h;
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int ssl_check_mode;
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X509 *cert;
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#endif
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char *localip, *remoteip;
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uint16_t localport, remoteport;
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} connection_t;
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connection_t *connection_new(char *dsthostname, int dstport, char *srchostname,
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int srcport, int ssl, char *ssl_ciphers, int ssl_check_mode,
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char *ssl_check_store, char *ssl_client_certfile, time_t timeout);
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connection_t *listen_new(char *hostname, int port, int ssl);
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connection_t *accept_new(connection_t *cn);
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void connection_free(connection_t *cn);
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void connection_close(connection_t *cn);
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void write_line(connection_t *cn, char *line);
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void write_lines(connection_t *cn, list_t *lines);
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void write_line_fast(connection_t *cn, char *line);
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list_t *read_lines(connection_t *cn, int *error);
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list_t *wait_event(list_t *cn_list, time_t *msec, int *nc);
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int cn_is_connected(connection_t *cn);
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int cn_is_listening(connection_t *cn);
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uint16_t connection_localport(connection_t *cn);
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uint16_t connection_remoteport(connection_t *cn);
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char *connection_localip(connection_t *cn);
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char *connection_remoteip(connection_t *cn);
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#endif
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