text: /*	$NetBSD: ftp_var.h,v 1.82 2012/12/21 18:07:36 christos Exp $	*/
  
  /*-
   * Copyright (c) 1996-2009 The NetBSD Foundation, Inc.
   * All rights reserved.
   *
   * This code is derived from software contributed to The NetBSD Foundation
   * by Luke Mewburn.
   *
   * 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.
   *
   * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESS 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 FOUNDATION OR 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.
   */
  
  /*
   * Copyright (c) 1985, 1989, 1993, 1994
   *	The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS 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 REGENTS OR 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.
   *
   *	@(#)ftp_var.h	8.4 (Berkeley) 10/9/94
   */
  
  /*
   * Copyright (C) 1997 and 1998 WIDE Project.
   * 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. Neither the name of the project nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS 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 PROJECT OR 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.
   */
  
  /*
   * FTP global variables.
   */
  
  #ifdef SMALL
  #undef	NO_EDITCOMPLETE
  #define	NO_EDITCOMPLETE
  #undef	NO_PROGRESS
  #define	NO_PROGRESS
  #endif
  
  #include <sys/param.h>
  #include <sys/socket.h>
  
  #include <netinet/in.h>
  #include <arpa/inet.h>
  
  #include <poll.h>
  
  #include <setjmp.h>
  #include <stringlist.h>
  
  #ifndef NO_EDITCOMPLETE
  #include <histedit.h>
  #endif /* !NO_EDITCOMPLETE */
  
  #include "extern.h"
  #include "progressbar.h"
  
  /*
   * Format of command table.
   */
  struct cmd {
  	const char	*c_name;	/* name of command */
  	const char	*c_help;	/* help string */
  	char		c_bell;		/* give bell when command completes */
  	char		c_conn;		/* must be connected to use command */
  	char		c_proxy;	/* proxy server may execute */
  #ifndef NO_EDITCOMPLETE
  	const char	*c_complete;	/* context sensitive completion list */
  #endif /* !NO_EDITCOMPLETE */
  	void		(*c_handler)(int, char **); /* function to call */
  };
  
  #define MAX_C_NAME	12		/* maximum length of cmd.c_name */
  
  /*
   * Format of macro table
   */
  struct macel {
  	char	 mac_name[9];	/* macro name */
  	char	*mac_start;	/* start of macro in macbuf */
  	char	*mac_end;	/* end of macro in macbuf */
  };
  
  /*
   * Format of option table
   */
  struct option {
  	const char	*name;
  	char		*value;
  };
  
  /*
   * Indices to features[]; an array containing status of remote server
   * features; -1 not known (FEAT failed), 0 absent, 1 present.
   */
  enum {
  	FEAT_FEAT = 0,		/* FEAT, OPTS */
  	FEAT_MDTM,		/* MDTM */
  	FEAT_MLST,		/* MLSD, MLST */
  	FEAT_REST_STREAM,	/* RESTart STREAM */
  	FEAT_SIZE,		/* SIZE */
  	FEAT_TVFS,		/* TVFS (not used) */
  	FEAT_max
  };
  
  
  /*
   * Global defines
   */
  #define	FTPBUFLEN	MAXPATHLEN + 200
  #define	MAX_IN_PORT_T	0xffffU
  
  #define	HASHBYTES	1024	/* default mark for `hash' command */
  #define	DEFAULTINCR	1024	/* default increment for `rate' command */
  
  #define	FTP_PORT	21	/* default if ! getservbyname("ftp/tcp") */
  #define	HTTP_PORT	80	/* default if ! getservbyname("http/tcp") */
  #define	HTTPS_PORT	443	/* default if ! getservbyname("https/tcp") */
  #ifndef	GATE_PORT
  #define	GATE_PORT	21	/* default if ! getservbyname("ftpgate/tcp") */
  #endif
  #ifndef	GATE_SERVER
  #define	GATE_SERVER	""	/* default server */
  #endif
  
  #define	DEFAULTPAGER	"more"	/* default pager if $PAGER isn't set */
  #define	DEFAULTPROMPT	"ftp> "	/* default prompt  if `set prompt' is empty */
  #define	DEFAULTRPROMPT	""	/* default rprompt if `set rprompt' is empty */
  
  #define	TMPFILE		"ftpXXXXXXXXXX"
  
  
  #ifndef	GLOBAL
  #define	GLOBAL	extern
  #endif
  
  /*
   * Options and other state info.
   */
  GLOBAL	int	trace;		/* trace packets exchanged */
  GLOBAL	int	hash;		/* print # for each buffer transferred */
  GLOBAL	int	mark;		/* number of bytes between hashes */
  GLOBAL	int	sendport;	/* use PORT/LPRT cmd for each data connection */
  GLOBAL	int	connected;	/* 1 = connected to server, -1 = logged in */
  GLOBAL	int	interactive;	/* interactively prompt on m* cmds */
  GLOBAL	int	confirmrest;	/* confirm rest of current m* cmd */
  GLOBAL	int	ftp_debug;	/* debugging level */
  GLOBAL	int	bell;		/* ring bell on cmd completion */
  GLOBAL	int	doglob;		/* glob local file names */
  GLOBAL	int	autologin;	/* establish user account on connection */
  GLOBAL	int	proxy;		/* proxy server connection active */
  GLOBAL	int	proxflag;	/* proxy connection exists */
  GLOBAL	int	gatemode;	/* use gate-ftp */
  GLOBAL	const char *gateserver;	/* server to use for gate-ftp */
  GLOBAL	int	sunique;	/* store files on server with unique name */
  GLOBAL	int	runique;	/* store local files with unique name */
  GLOBAL	int	mcase;		/* map upper to lower case for mget names */
  GLOBAL	int	ntflag;		/* use ntin ntout tables for name translation */
  GLOBAL	int	mapflag;	/* use mapin mapout templates on file names */
  GLOBAL	int	preserve;	/* preserve modification time on files */
  GLOBAL	int	code;		/* return/reply code for ftp command */
  GLOBAL	int	crflag;		/* if 1, strip car. rets. on ascii gets */
  GLOBAL	int	passivemode;	/* passive mode enabled */
  GLOBAL	int	activefallback;	/* fall back to active mode if passive fails */
  GLOBAL	char   *altarg;		/* argv[1] with no shell-like preprocessing  */
  GLOBAL	char	ntin[17];	/* input translation table */
  GLOBAL	char	ntout[17];	/* output translation table */
  GLOBAL	char	mapin[MAXPATHLEN]; /* input map template */
  GLOBAL	char	mapout[MAXPATHLEN]; /* output map template */
  GLOBAL	char	typename[32];	/* name of file transfer type */
  GLOBAL	int	type;		/* requested file transfer type */
  GLOBAL	int	curtype;	/* current file transfer type */
  GLOBAL	char	structname[32];	/* name of file transfer structure */
  GLOBAL	int	stru;		/* file transfer structure */
  GLOBAL	char	formname[32];	/* name of file transfer format */
  GLOBAL	int	form;		/* file transfer format */
  GLOBAL	char	modename[32];	/* name of file transfer mode */
  GLOBAL	int	mode;		/* file transfer mode */
  GLOBAL	char	bytename[32];	/* local byte size in ascii */
  GLOBAL	int	bytesize;	/* local byte size in binary */
  GLOBAL	int	anonftp;	/* automatic anonymous login */
  GLOBAL	int	dirchange;	/* remote directory changed by cd command */
  GLOBAL	int	flushcache;	/* set HTTP cache flush headers with request */
  GLOBAL	int	rate_get;	/* maximum get xfer rate */
  GLOBAL	int	rate_get_incr;	/* increment for get xfer rate */
  GLOBAL	int	rate_put;	/* maximum put xfer rate */
  GLOBAL	int	rate_put_incr;	/* increment for put xfer rate */
  GLOBAL	int	retry_connect;	/* seconds between retrying connection */
  GLOBAL	const char *tmpdir;	/* temporary directory */
  GLOBAL	int	epsv4;		/* use EPSV/EPRT on IPv4 connections */
  GLOBAL	int	epsv4bad;	/* EPSV doesn't work on the current server */
  GLOBAL	int	epsv6;		/* use EPSV/EPRT on IPv6 connections */
  GLOBAL	int	epsv6bad;	/* EPSV doesn't work on the current server */
  GLOBAL	int	editing;	/* command line editing enabled */
  GLOBAL	int	features[FEAT_max];	/* remote FEATures supported */
  
  #ifndef NO_EDITCOMPLETE
  GLOBAL	EditLine *el;		/* editline(3) status structure */
  GLOBAL	History  *hist;		/* editline(3) history structure */
  GLOBAL	char	 *cursor_pos;	/* cursor position we're looking for */
  GLOBAL	size_t	  cursor_argc;	/* location of cursor in margv */
  GLOBAL	size_t	  cursor_argo;	/* offset of cursor in margv[cursor_argc] */
  #endif /* !NO_EDITCOMPLETE */
  
  GLOBAL	char   *hostname;	/* name of host connected to */
  GLOBAL	int	unix_server;	/* server is unix, can use binary for ascii */
  GLOBAL	int	unix_proxy;	/* proxy is unix, can use binary for ascii */
  GLOBAL	char	localcwd[MAXPATHLEN];	/* local dir */
  GLOBAL	char	remotecwd[MAXPATHLEN];	/* remote dir */
  GLOBAL	char   *username;	/* name of user logged in as. (dynamic) */
  
  GLOBAL	sa_family_t family;	/* address family to use for connections */
  GLOBAL	const char *ftpport;	/* port number to use for FTP connections */
  GLOBAL	const char *httpport;	/* port number to use for HTTP connections */
  #ifdef WITH_SSL
  GLOBAL	const char *httpsport;	/* port number to use for HTTPS connections */
  #endif
  GLOBAL	const char *gateport;	/* port number to use for gateftp connections */
  GLOBAL	struct addrinfo *bindai; /* local address to bind as */
  
  GLOBAL	char   *outfile;	/* filename to output URLs to */
  GLOBAL	int	restartautofetch; /* restart auto-fetch */
  
  GLOBAL	char	line[FTPBUFLEN]; /* input line buffer */
  GLOBAL	char	*stringbase;	/* current scan point in line buffer */
  GLOBAL	char	argbuf[FTPBUFLEN]; /* argument storage buffer */
  GLOBAL	char	*argbase;	/* current storage point in arg buffer */
  GLOBAL	StringList *marg_sl;	/* stringlist containing margv */
  GLOBAL	int	margc;		/* count of arguments on input line */
  #define	margv (marg_sl->sl_str)	/* args parsed from input line */
  GLOBAL	int     cpend;		/* flag: if != 0, then pending server reply */
  GLOBAL	int	mflag;		/* flag: if != 0, then active multi command */
  
  GLOBAL	int	options;	/* used during socket creation */
  
  GLOBAL	int	sndbuf_size;	/* socket send buffer size */
  GLOBAL	int	rcvbuf_size;	/* socket receive buffer size */
  
  GLOBAL	int	macnum;		/* number of defined macros */
  GLOBAL	struct macel macros[16];
  GLOBAL	char	macbuf[4096];
  
  GLOBAL	char	*localhome;		/* local home directory */
  GLOBAL	char	*localname;		/* local user name */
  GLOBAL	char	 netrc[MAXPATHLEN];	/* path to .netrc file */
  GLOBAL	char	 reply_string[BUFSIZ];	/* first line of previous reply */
  GLOBAL	void	(*reply_callback)(const char *);
  					/*
  					 * function to call for each line in
  					 * the server's reply except for the
  					 * first (`xxx-') and last (`xxx ')
  					 */
  
  GLOBAL	volatile sig_atomic_t	sigint_raised;
  
  GLOBAL	FILE	*cin;
  GLOBAL	FILE	*cout;
  GLOBAL	int	 data;
  
  extern	struct cmd	cmdtab[];
  extern	struct option	optiontab[];
  
  
  #define	EMPTYSTRING(x)	((x) == NULL || (*(x) == '\0'))
  #define	FREEPTR(x)	if ((x) != NULL) { free(x); (x) = NULL; }
  
  #ifdef BSD4_4
  # define HAVE_STRUCT_SOCKADDR_IN_SIN_LEN	1
  #endif
  
  #ifdef NO_LONG_LONG
  # define STRTOLL(x,y,z)	strtol(x,y,z)
  #else
  # define STRTOLL(x,y,z)	strtoll(x,y,z)
  #endif
  
  #ifdef NO_DEBUG
  #define DPRINTF(...)
  #define DWARN(...)
  #else
  #define DPRINTF(...)	if (ftp_debug) (void)fprintf(ttyout, __VA_ARGS__)
  #define DWARN(...)	if (ftp_debug) warn(__VA_ARGS__)
  #endif
  
  #define STRorNULL(s)	((s) ? (s) : "<null>")
  
  #ifdef NO_USAGE
  void xusage(void);
  #define UPRINTF(...)	xusage()
  #else
  #define UPRINTF(...)	(void)fprintf(ttyout, __VA_ARGS__)
  #endif
  