1/*	$NetBSD: ftp_var.h,v 1.88 2024/02/18 22:33:15 wiz Exp $	*/
2
3/*-
4 * Copyright (c) 1996-2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Luke Mewburn.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * Copyright (c) 1985, 1989, 1993, 1994
34 *	The Regents of the University of California.  All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 *    notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 *    notice, this list of conditions and the following disclaimer in the
43 *    documentation and/or other materials provided with the distribution.
44 * 3. Neither the name of the University nor the names of its contributors
45 *    may be used to endorse or promote products derived from this software
46 *    without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 *	@(#)ftp_var.h	8.4 (Berkeley) 10/9/94
61 */
62
63/*
64 * Copyright (C) 1997 and 1998 WIDE Project.
65 * All rights reserved.
66 *
67 * Redistribution and use in source and binary forms, with or without
68 * modification, are permitted provided that the following conditions
69 * are met:
70 * 1. Redistributions of source code must retain the above copyright
71 *    notice, this list of conditions and the following disclaimer.
72 * 2. Redistributions in binary form must reproduce the above copyright
73 *    notice, this list of conditions and the following disclaimer in the
74 *    documentation and/or other materials provided with the distribution.
75 * 3. Neither the name of the project nor the names of its contributors
76 *    may be used to endorse or promote products derived from this software
77 *    without specific prior written permission.
78 *
79 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
80 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
81 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
82 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
83 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
84 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
85 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
86 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
87 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
88 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
89 * SUCH DAMAGE.
90 */
91
92/*
93 * FTP global variables.
94 */
95
96#ifdef SMALL
97#undef	NO_EDITCOMPLETE
98#define	NO_EDITCOMPLETE
99#undef	NO_PROGRESS
100#define	NO_PROGRESS
101#endif
102
103#include <sys/param.h>
104
105#include <netinet/in.h>
106#include <arpa/inet.h>
107
108#include <poll.h>
109
110#include <setjmp.h>
111#include <stringlist.h>
112
113#ifndef NO_EDITCOMPLETE
114#include <histedit.h>
115#endif /* !NO_EDITCOMPLETE */
116
117#include "extern.h"
118#include "progressbar.h"
119
120/*
121 * Format of command table.
122 */
123struct cmd {
124	const char	*c_name;	/* name of command */
125	const char	*c_help;	/* help string */
126	char		c_bell;		/* give bell when command completes */
127	char		c_conn;		/* must be connected to use command */
128	char		c_proxy;	/* proxy server may execute */
129#ifndef NO_EDITCOMPLETE
130	const char	*c_complete;	/* context sensitive completion list */
131#endif /* !NO_EDITCOMPLETE */
132	void		(*c_handler)(int, char **); /* function to call */
133};
134
135#define MAX_C_NAME	12		/* maximum length of cmd.c_name */
136
137/*
138 * Format of macro table
139 */
140struct macel {
141	char	 mac_name[9];	/* macro name */
142	char	*mac_start;	/* start of macro in macbuf */
143	char	*mac_end;	/* end of macro in macbuf */
144};
145
146/*
147 * Format of option table
148 */
149struct option {
150	const char	*name;
151	char		*value;
152};
153
154/*
155 * Indices to features[]; an array containing status of remote server
156 * features; -1 not known (FEAT failed), 0 absent, 1 present.
157 */
158enum {
159	FEAT_FEAT = 0,		/* FEAT, OPTS */
160	FEAT_MDTM,		/* MDTM */
161	FEAT_MLST,		/* MLSD, MLST */
162	FEAT_REST_STREAM,	/* RESTart STREAM */
163	FEAT_SIZE,		/* SIZE */
164	FEAT_TVFS,		/* TVFS (not used) */
165	FEAT_max
166};
167
168
169/*
170 * Global defines
171 */
172#define	FTPBUFLEN	(16 * 1024)
173#define	MAX_IN_PORT_T	0xffffU
174
175#define	HASHBYTES	1024	/* default mark for `hash' command */
176#define	DEFAULTINCR	1024	/* default increment for `rate' command */
177
178#define	FTP_PORT	21	/* default if ! getservbyname("ftp/tcp") */
179#define	HTTP_PORT	80	/* default if ! getservbyname("http/tcp") */
180#define	HTTPS_PORT	443	/* default if ! getservbyname("https/tcp") */
181#ifndef	GATE_PORT
182#define	GATE_PORT	21	/* default if ! getservbyname("ftpgate/tcp") */
183#endif
184#ifndef	GATE_SERVER
185#define	GATE_SERVER	""	/* default server */
186#endif
187
188#define	DEFAULTPAGER	"more"	/* default pager if $PAGER isn't set */
189#define	DEFAULTPROMPT	"ftp> "	/* default prompt  if `set prompt' is empty */
190#define	DEFAULTRPROMPT	""	/* default rprompt if `set rprompt' is empty */
191
192#define	TMPFILE		"ftpXXXXXXXXXX"
193
194
195#ifndef	GLOBAL
196#define	GLOBAL	extern
197#endif
198
199/*
200 * Options and other state info.
201 */
202GLOBAL	int	trace;		/* trace packets exchanged */
203GLOBAL	int	hash;		/* print # for each buffer transferred */
204GLOBAL	int	mark;		/* number of bytes between hashes */
205GLOBAL	int	sendport;	/* use PORT/LPRT cmd for each data connection */
206GLOBAL	int	connected;	/* 1 = connected to server, -1 = logged in */
207GLOBAL	int	interactive;	/* interactively prompt on m* cmds */
208GLOBAL	int	confirmrest;	/* confirm rest of current m* cmd */
209GLOBAL	int	ftp_debug;	/* debugging level */
210GLOBAL	int	bell;		/* ring bell on cmd completion */
211GLOBAL	int	doglob;		/* glob local file names */
212GLOBAL	int	autologin;	/* establish user account on connection */
213GLOBAL	int	proxy;		/* proxy server connection active */
214GLOBAL	int	proxflag;	/* proxy connection exists */
215GLOBAL	int	gatemode;	/* use gate-ftp */
216GLOBAL	const char *gateserver;	/* server to use for gate-ftp */
217GLOBAL	int	sunique;	/* store files on server with unique name */
218GLOBAL	int	runique;	/* store local files with unique name */
219GLOBAL	int	mcase;		/* map upper to lower case for mget names */
220GLOBAL	int	ntflag;		/* use ntin ntout tables for name translation */
221GLOBAL	int	mapflag;	/* use mapin mapout templates on file names */
222GLOBAL	int	preserve;	/* preserve modification time on files */
223GLOBAL	int	code;		/* return/reply code for ftp command */
224GLOBAL	int	crflag;		/* if 1, strip car. rets. on ascii gets */
225GLOBAL	int	passivemode;	/* passive mode enabled */
226GLOBAL	int	activefallback;	/* fall back to active mode if passive fails */
227GLOBAL	char   *altarg;		/* argv[1] with no shell-like preprocessing  */
228GLOBAL	char	ntin[17];	/* input translation table */
229GLOBAL	char	ntout[17];	/* output translation table */
230GLOBAL	char	mapin[MAXPATHLEN]; /* input map template */
231GLOBAL	char	mapout[MAXPATHLEN]; /* output map template */
232GLOBAL	char	typename[32];	/* name of file transfer type */
233GLOBAL	int	type;		/* requested file transfer type */
234GLOBAL	int	curtype;	/* current file transfer type */
235GLOBAL	char	structname[32];	/* name of file transfer structure */
236GLOBAL	int	stru;		/* file transfer structure */
237GLOBAL	char	formname[32];	/* name of file transfer format */
238GLOBAL	int	form;		/* file transfer format */
239GLOBAL	char	modename[32];	/* name of file transfer mode */
240GLOBAL	int	mode;		/* file transfer mode */
241GLOBAL	char	bytename[32];	/* local byte size in ascii */
242GLOBAL	int	bytesize;	/* local byte size in binary */
243GLOBAL	int	anonftp;	/* automatic anonymous login */
244GLOBAL	int	dirchange;	/* remote directory changed by cd command */
245GLOBAL	int	flushcache;	/* set HTTP cache flush headers with request */
246GLOBAL	int	rate_get;	/* maximum get xfer rate */
247GLOBAL	int	rate_get_incr;	/* increment for get xfer rate */
248GLOBAL	int	rate_put;	/* maximum put xfer rate */
249GLOBAL	int	rate_put_incr;	/* increment for put xfer rate */
250GLOBAL	int	retry_connect;	/* seconds between retrying connection */
251GLOBAL	const char *tmpdir;	/* temporary directory */
252GLOBAL	int	epsv4;		/* use EPSV/EPRT on IPv4 connections */
253GLOBAL	int	epsv4bad;	/* EPSV doesn't work on the current server */
254GLOBAL	int	epsv6;		/* use EPSV/EPRT on IPv6 connections */
255GLOBAL	int	epsv6bad;	/* EPSV doesn't work on the current server */
256GLOBAL	int	editing;	/* command line editing enabled */
257GLOBAL	int	features[FEAT_max];	/* remote FEATures supported */
258
259#ifndef NO_EDITCOMPLETE
260GLOBAL	EditLine *el;		/* editline(3) status structure */
261GLOBAL	History  *hist;		/* editline(3) history structure */
262GLOBAL	char	 *cursor_pos;	/* cursor position we're looking for */
263GLOBAL	size_t	  cursor_argc;	/* location of cursor in margv */
264GLOBAL	size_t	  cursor_argo;	/* offset of cursor in margv[cursor_argc] */
265#endif /* !NO_EDITCOMPLETE */
266
267GLOBAL	char   *hostname;	/* name of host connected to */
268GLOBAL	int	unix_server;	/* server is unix, can use binary for ascii */
269GLOBAL	int	unix_proxy;	/* proxy is unix, can use binary for ascii */
270GLOBAL	char	localcwd[MAXPATHLEN];	/* local dir */
271GLOBAL	char	remotecwd[MAXPATHLEN];	/* remote dir */
272GLOBAL	int	remcwdvalid;		/* remotecwd has been updated */
273GLOBAL	char   *username;	/* name of user logged in as. (dynamic) */
274
275GLOBAL	sa_family_t family;	/* address family to use for connections */
276GLOBAL	const char *ftpport;	/* port number to use for FTP connections */
277GLOBAL	const char *httpport;	/* port number to use for HTTP connections */
278#ifdef WITH_SSL
279GLOBAL	const char *httpsport;	/* port number to use for HTTPS connections */
280#endif
281GLOBAL	const char *gateport;	/* port number to use for gateftp connections */
282GLOBAL	struct addrinfo *bindai; /* local address to bind as */
283
284GLOBAL	char   *outfile;	/* filename to output URLs to */
285GLOBAL	int	restartautofetch; /* restart auto-fetch */
286
287GLOBAL	char	line[FTPBUFLEN]; /* input line buffer */
288GLOBAL	char	*stringbase;	/* current scan point in line buffer */
289GLOBAL	char	argbuf[FTPBUFLEN]; /* argument storage buffer */
290GLOBAL	char	*argbase;	/* current storage point in arg buffer */
291GLOBAL	StringList *marg_sl;	/* stringlist containing margv */
292GLOBAL	int	margc;		/* count of arguments on input line */
293#define	margv (marg_sl->sl_str)	/* args parsed from input line */
294GLOBAL	int     cpend;		/* flag: if != 0, then pending server reply */
295GLOBAL	int	mflag;		/* flag: if != 0, then active multi command */
296
297GLOBAL	int	options;	/* used during socket creation */
298
299GLOBAL	int	sndbuf_size;	/* socket send buffer size */
300GLOBAL	int	rcvbuf_size;	/* socket receive buffer size */
301
302GLOBAL	int	macnum;		/* number of defined macros */
303GLOBAL	struct macel macros[16];
304GLOBAL	char	macbuf[4096];
305
306GLOBAL	char	*localhome;		/* local home directory */
307GLOBAL	char	*localname;		/* local user name */
308GLOBAL	char	 netrc[MAXPATHLEN];	/* path to .netrc file */
309GLOBAL	char	 reply_string[BUFSIZ];	/* first line of previous reply */
310GLOBAL	void	(*reply_callback)(const char *);
311					/*
312					 * function to call for each line in
313					 * the server's reply except for the
314					 * first (`xxx-') and last (`xxx ')
315					 */
316
317GLOBAL	volatile sig_atomic_t	sigint_raised;
318
319GLOBAL	FILE	*cin;
320GLOBAL	FILE	*cout;
321GLOBAL	int	 data;
322
323extern	struct cmd	cmdtab[];
324extern	struct option	optiontab[];
325
326extern	size_t ftp_buflen;
327
328#define	EMPTYSTRING(x)	((x) == NULL || (*(x) == '\0'))
329#define	FREEPTR(x)	if ((x) != NULL) { free(x); (x) = NULL; }
330
331#ifdef BSD4_4
332# define HAVE_STRUCT_SOCKADDR_IN_SIN_LEN	1
333#endif
334
335#ifdef NO_LONG_LONG
336# define STRTOLL(x,y,z)	strtol(x,y,z)
337#else
338# define STRTOLL(x,y,z)	strtoll(x,y,z)
339#endif
340
341#ifdef NO_DEBUG
342#define DPRINTF(...)	(void)0
343#define DWARN(...)	(void)0
344#else
345#define DWFTP(a)	do a; while (0)
346#define DPRINTF(...)	DWFTP(if (ftp_debug) (void)fprintf(ttyout, __VA_ARGS__))
347#define DWARN(...)	DWFTP(if (ftp_debug) warn(__VA_ARGS__))
348#endif
349
350#define STRorNULL(s)	((s) ? (s) : "<null>")
351
352#ifdef NO_USAGE
353void xusage(void);
354#define UPRINTF(...)	xusage()
355#else
356#define UPRINTF(...)	(void)fprintf(ttyout, __VA_ARGS__)
357#endif
358