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/*
* tcp.h - builtin FTP client
*
* This file is part of zsh, the Z shell.
*
* Copyright (c) 1998-2001 Peter Stephenson
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and to distribute modified versions of this software for any
* purpose, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* In no event shall Peter Stephenson or the Zsh Development
* Group be liable to any party for direct, indirect, special, incidental,
* or consequential damages arising out of the use of this software and
* its documentation, even if Peter Stephenson, and the Zsh
* Development Group have been advised of the possibility of such damage.
*
* Peter Stephenson and the Zsh Development Group specifically
* disclaim any warranties, including, but not limited to, the implied
* warranties of merchantability and fitness for a particular purpose. The
* software provided hereunder is on an "as is" basis, and Peter Stephenson
* and the Zsh Development Group have no obligation to provide maintenance,
* support, updates, enhancements, or modifications.
*
*/
/*
* We need to include the zsh headers later to avoid clashes with
* the definitions on some systems, however we need the configuration
* file to decide whether we can include netinet/in_systm.h, which
* doesn't exist on cygwin.
*/
#include "../../config.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
/*
* For some reason, configure doesn't always detect netinet/in_systm.h.
* On some systems, including linux, this seems to be because gcc is
* throwing up a warning message about the redefinition of
* __USE_LARGEFILE. This means the problem is somewhere in the
* header files where we can't get at it. For now, revert to
* not including this file only on systems where we know it's missing.
* Currently this is just cygwin.
*/
#ifndef __CYGWIN__
# include <netinet/in_systm.h>
#endif
#include <netinet/in.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
/* Is IPv6 supported by the library? */
#if defined(AF_INET6) && defined(IN6ADDR_LOOPBACK_INIT) \
&& defined(HAVE_INET_NTOP) && defined(HAVE_INET_PTON)
# define SUPPORT_IPV6 1
#endif
union tcp_sockaddr {
struct sockaddr a;
struct sockaddr_in in;
#ifdef SUPPORT_IPV6
struct sockaddr_in6 in6;
#endif
};
typedef struct tcp_session *Tcp_session;
#define ZTCP_LISTEN 1
#define ZTCP_INBOUND 2
#define ZTCP_ZFTP 16
struct tcp_session {
int fd; /* file descriptor */
union tcp_sockaddr sock; /* local address */
union tcp_sockaddr peer; /* remote address */
Tcp_session next;
int flags;
};
#include "tcp.mdh"
#include "tcp.pro"
#ifndef INET_ADDRSTRLEN
# define INET_ADDRSTRLEN 16
#endif
#ifndef INET6_ADDRSTRLEN
# define INET6_ADDRSTRLEN 46
#endif
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