xref: /dragonfly/contrib/tnftp/src/ftp_var.h (revision 1612048d3f35192eeb39f3a28148604bef0d5b6e)
1 /*        $NetBSD: ftp_var.h,v 1.13 2020/07/04 09:59:07 lukem Exp $   */
2 /*        from      NetBSD: ftp_var.h,v 1.85 2017/11/20 21:11:36 kre Exp        */
3 
4 /*-
5  * Copyright (c) 1996-2009 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Luke Mewburn.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Copyright (c) 1985, 1989, 1993, 1994
35  *        The Regents of the University of California.  All rights reserved.
36  *
37  * Redistribution and use in source and binary forms, with or without
38  * modification, are permitted provided that the following conditions
39  * are met:
40  * 1. Redistributions of source code must retain the above copyright
41  *    notice, this list of conditions and the following disclaimer.
42  * 2. Redistributions in binary form must reproduce the above copyright
43  *    notice, this list of conditions and the following disclaimer in the
44  *    documentation and/or other materials provided with the distribution.
45  * 3. Neither the name of the University nor the names of its contributors
46  *    may be used to endorse or promote products derived from this software
47  *    without specific prior written permission.
48  *
49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59  * SUCH DAMAGE.
60  *
61  *        @(#)ftp_var.h       8.4 (Berkeley) 10/9/94
62  */
63 
64 /*
65  * Copyright (C) 1997 and 1998 WIDE Project.
66  * All rights reserved.
67  *
68  * Redistribution and use in source and binary forms, with or without
69  * modification, are permitted provided that the following conditions
70  * are met:
71  * 1. Redistributions of source code must retain the above copyright
72  *    notice, this list of conditions and the following disclaimer.
73  * 2. Redistributions in binary form must reproduce the above copyright
74  *    notice, this list of conditions and the following disclaimer in the
75  *    documentation and/or other materials provided with the distribution.
76  * 3. Neither the name of the project nor the names of its contributors
77  *    may be used to endorse or promote products derived from this software
78  *    without specific prior written permission.
79  *
80  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
81  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
82  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
83  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
84  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
85  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
86  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
87  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
88  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
89  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
90  * SUCH DAMAGE.
91  */
92 
93 /*
94  * FTP global variables.
95  */
96 
97 #ifdef SMALL
98 #undef    NO_EDITCOMPLETE
99 #define   NO_EDITCOMPLETE
100 #undef    NO_PROGRESS
101 #define   NO_PROGRESS
102 #endif
103 
104 #if 0     /* tnftp */
105 
106 #include <sys/param.h>
107 
108 #include <netinet/in.h>
109 #include <arpa/inet.h>
110 
111 #include <poll.h>
112 
113 #include <setjmp.h>
114 #include <stringlist.h>
115 
116 #endif    /* tnftp */
117 
118 #ifndef NO_EDITCOMPLETE
119 #include <histedit.h>
120 #endif /* !NO_EDITCOMPLETE */
121 
122 #include "extern.h"
123 #include "progressbar.h"
124 
125 /*
126  * Format of command table.
127  */
128 struct cmd {
129           const char          *c_name;  /* name of command */
130           const char          *c_help;  /* help string */
131           char                c_bell;             /* give bell when command completes */
132           char                c_conn;             /* must be connected to use command */
133           char                c_proxy;  /* proxy server may execute */
134 #ifndef NO_EDITCOMPLETE
135           const char          *c_complete;        /* context sensitive completion list */
136 #endif /* !NO_EDITCOMPLETE */
137           void                (*c_handler)(int, char **); /* function to call */
138 };
139 
140 #define MAX_C_NAME  12                  /* maximum length of cmd.c_name */
141 
142 /*
143  * Format of macro table
144  */
145 struct macel {
146           char       mac_name[9];       /* macro name */
147           char      *mac_start;         /* start of macro in macbuf */
148           char      *mac_end; /* end of macro in macbuf */
149 };
150 
151 /*
152  * Format of option table
153  */
154 struct option {
155           const char          *name;
156           char                *value;
157 };
158 
159 /*
160  * Indices to features[]; an array containing status of remote server
161  * features; -1 not known (FEAT failed), 0 absent, 1 present.
162  */
163 enum {
164           FEAT_FEAT = 0,                /* FEAT, OPTS */
165           FEAT_MDTM,                    /* MDTM */
166           FEAT_MLST,                    /* MLSD, MLST */
167           FEAT_REST_STREAM,   /* RESTart STREAM */
168           FEAT_SIZE,                    /* SIZE */
169           FEAT_TVFS,                    /* TVFS (not used) */
170           FEAT_max
171 };
172 
173 
174 /*
175  * Global defines
176  */
177 #define   FTPBUFLEN (4 * MAXPATHLEN)
178 #define   MAX_IN_PORT_T       0xffffU
179 
180 #define   HASHBYTES 1024      /* default mark for `hash' command */
181 #define   DEFAULTINCR         1024      /* default increment for `rate' command */
182 
183 #define   FTP_PORT  21        /* default if ! getservbyname("ftp/tcp") */
184 #define   HTTP_PORT 80        /* default if ! getservbyname("http/tcp") */
185 #define   HTTPS_PORT          443       /* default if ! getservbyname("https/tcp") */
186 #ifndef   GATE_PORT
187 #define   GATE_PORT 21        /* default if ! getservbyname("ftpgate/tcp") */
188 #endif
189 #ifndef   GATE_SERVER
190 #define   GATE_SERVER         ""        /* default server */
191 #endif
192 
193 #define   DEFAULTPAGER        "more"    /* default pager if $PAGER isn't set */
194 #define   DEFAULTPROMPT       "ftp> "   /* default prompt  if `set prompt' is empty */
195 #define   DEFAULTRPROMPT      ""        /* default rprompt if `set rprompt' is empty */
196 
197 #define   TMPFILE             "ftpXXXXXXXXXX"
198 
199 
200 #ifndef   GLOBAL
201 #define   GLOBAL    extern
202 #endif
203 
204 /*
205  * Options and other state info.
206  */
207 GLOBAL    int       trace;              /* trace packets exchanged */
208 GLOBAL    int       hash;               /* print # for each buffer transferred */
209 GLOBAL    int       mark;               /* number of bytes between hashes */
210 GLOBAL    int       sendport; /* use PORT/LPRT cmd for each data connection */
211 GLOBAL    int       connected;          /* 1 = connected to server, -1 = logged in */
212 GLOBAL    int       interactive;        /* interactively prompt on m* cmds */
213 GLOBAL    int       confirmrest;        /* confirm rest of current m* cmd */
214 GLOBAL    int       ftp_debug;          /* debugging level */
215 GLOBAL    int       bell;               /* ring bell on cmd completion */
216 GLOBAL    int       doglob;             /* glob local file names */
217 GLOBAL    int       autologin;          /* establish user account on connection */
218 GLOBAL    int       proxy;              /* proxy server connection active */
219 GLOBAL    int       proxflag; /* proxy connection exists */
220 GLOBAL    int       gatemode; /* use gate-ftp */
221 GLOBAL    const char *gateserver;       /* server to use for gate-ftp */
222 GLOBAL    int       sunique;  /* store files on server with unique name */
223 GLOBAL    int       runique;  /* store local files with unique name */
224 GLOBAL    int       mcase;              /* map upper to lower case for mget names */
225 GLOBAL    int       ntflag;             /* use ntin ntout tables for name translation */
226 GLOBAL    int       mapflag;  /* use mapin mapout templates on file names */
227 GLOBAL    int       preserve; /* preserve modification time on files */
228 GLOBAL    int       code;               /* return/reply code for ftp command */
229 GLOBAL    int       crflag;             /* if 1, strip car. rets. on ascii gets */
230 GLOBAL    int       passivemode;        /* passive mode enabled */
231 GLOBAL    int       activefallback;     /* fall back to active mode if passive fails */
232 GLOBAL    char   *altarg;               /* argv[1] with no shell-like preprocessing  */
233 GLOBAL    char      ntin[17]; /* input translation table */
234 GLOBAL    char      ntout[17];          /* output translation table */
235 GLOBAL    char      mapin[MAXPATHLEN]; /* input map template */
236 GLOBAL    char      mapout[MAXPATHLEN]; /* output map template */
237 GLOBAL    char      typename[32];       /* name of file transfer type */
238 GLOBAL    int       type;               /* requested file transfer type */
239 GLOBAL    int       curtype;  /* current file transfer type */
240 GLOBAL    char      structname[32];     /* name of file transfer structure */
241 GLOBAL    int       stru;               /* file transfer structure */
242 GLOBAL    char      formname[32];       /* name of file transfer format */
243 GLOBAL    int       form;               /* file transfer format */
244 GLOBAL    char      modename[32];       /* name of file transfer mode */
245 GLOBAL    int       mode;               /* file transfer mode */
246 GLOBAL    char      bytename[32];       /* local byte size in ascii */
247 GLOBAL    int       bytesize; /* local byte size in binary */
248 GLOBAL    int       anonftp;  /* automatic anonymous login */
249 GLOBAL    int       dirchange;          /* remote directory changed by cd command */
250 GLOBAL    int       flushcache;         /* set HTTP cache flush headers with request */
251 GLOBAL    int       rate_get; /* maximum get xfer rate */
252 GLOBAL    int       rate_get_incr;      /* increment for get xfer rate */
253 GLOBAL    int       rate_put; /* maximum put xfer rate */
254 GLOBAL    int       rate_put_incr;      /* increment for put xfer rate */
255 GLOBAL    int       retry_connect;      /* seconds between retrying connection */
256 GLOBAL    const char *tmpdir; /* temporary directory */
257 GLOBAL    int       epsv4;              /* use EPSV/EPRT on IPv4 connections */
258 GLOBAL    int       epsv4bad; /* EPSV doesn't work on the current server */
259 GLOBAL    int       epsv6;              /* use EPSV/EPRT on IPv6 connections */
260 GLOBAL    int       epsv6bad; /* EPSV doesn't work on the current server */
261 GLOBAL    int       editing;  /* command line editing enabled */
262 GLOBAL    int       features[FEAT_max]; /* remote FEATures supported */
263 
264 #ifndef NO_EDITCOMPLETE
265 GLOBAL    EditLine *el;                 /* editline(3) status structure */
266 GLOBAL    History  *hist;               /* editline(3) history structure */
267 GLOBAL    char       *cursor_pos;       /* cursor position we're looking for */
268 GLOBAL    size_t      cursor_argc;      /* location of cursor in margv */
269 GLOBAL    size_t      cursor_argo;      /* offset of cursor in margv[cursor_argc] */
270 #endif /* !NO_EDITCOMPLETE */
271 
272 GLOBAL    char   *hostname;   /* name of host connected to */
273 GLOBAL    int       unix_server;        /* server is unix, can use binary for ascii */
274 GLOBAL    int       unix_proxy;         /* proxy is unix, can use binary for ascii */
275 GLOBAL    char      localcwd[MAXPATHLEN];         /* local dir */
276 GLOBAL    char      remotecwd[MAXPATHLEN];        /* remote dir */
277 GLOBAL    int       remcwdvalid;                  /* remotecwd has been updated */
278 GLOBAL    char   *username;   /* name of user logged in as. (dynamic) */
279 
280 GLOBAL    sa_family_t family; /* address family to use for connections */
281 GLOBAL    const char *ftpport;          /* port number to use for FTP connections */
282 GLOBAL    const char *httpport;         /* port number to use for HTTP connections */
283 #ifdef WITH_SSL
284 GLOBAL    const char *httpsport;        /* port number to use for HTTPS connections */
285 #endif
286 GLOBAL    const char *gateport;         /* port number to use for gateftp connections */
287 GLOBAL    struct addrinfo *bindai; /* local address to bind as */
288 
289 GLOBAL    char   *outfile;    /* filename to output URLs to */
290 GLOBAL    int       restartautofetch; /* restart auto-fetch */
291 
292 GLOBAL    char      line[FTPBUFLEN]; /* input line buffer */
293 GLOBAL    char      *stringbase;        /* current scan point in line buffer */
294 GLOBAL    char      argbuf[FTPBUFLEN]; /* argument storage buffer */
295 GLOBAL    char      *argbase; /* current storage point in arg buffer */
296 GLOBAL    StringList *marg_sl;          /* stringlist containing margv */
297 GLOBAL    int       margc;              /* count of arguments on input line */
298 #define   margv (marg_sl->sl_str)       /* args parsed from input line */
299 GLOBAL    int     cpend;                /* flag: if != 0, then pending server reply */
300 GLOBAL    int       mflag;              /* flag: if != 0, then active multi command */
301 
302 GLOBAL    int       options;  /* used during socket creation */
303 
304 GLOBAL    int       sndbuf_size;        /* socket send buffer size */
305 GLOBAL    int       rcvbuf_size;        /* socket receive buffer size */
306 
307 GLOBAL    int       macnum;             /* number of defined macros */
308 GLOBAL    struct macel macros[16];
309 GLOBAL    char      macbuf[4096];
310 
311 GLOBAL    char      *localhome;                   /* local home directory */
312 GLOBAL    char      *localname;                   /* local user name */
313 GLOBAL    char       netrc[MAXPATHLEN]; /* path to .netrc file */
314 GLOBAL    char       reply_string[BUFSIZ];        /* first line of previous reply */
315 GLOBAL    void      (*reply_callback)(const char *);
316                                                   /*
317                                                    * function to call for each line in
318                                                    * the server's reply except for the
319                                                    * first (`xxx-') and last (`xxx ')
320                                                    */
321 
322 GLOBAL    volatile sig_atomic_t         sigint_raised;
323 
324 GLOBAL    FILE      *cin;
325 GLOBAL    FILE      *cout;
326 GLOBAL    int        data;
327 
328 extern    struct cmd          cmdtab[];
329 extern    struct option       optiontab[];
330 
331 
332 #define   EMPTYSTRING(x)      ((x) == NULL || (*(x) == '\0'))
333 #define   FREEPTR(x)          if ((x) != NULL) { free(x); (x) = NULL; }
334 
335 #ifdef BSD4_4
336 # define HAVE_STRUCT_SOCKADDR_IN_SIN_LEN          1
337 #endif
338 
339 #ifdef NO_LONG_LONG
340 # define STRTOLL(x,y,z)       strtol(x,y,z)
341 #else
342 # define STRTOLL(x,y,z)       strtoll(x,y,z)
343 #endif
344 
345 #ifdef NO_DEBUG
346 #define DPRINTF(...)          (void)0
347 #define DWARN(...)  (void)0
348 #else
349 #define DWFTP(a)    do a; while (/*CONSTCOND*/0)
350 #define DPRINTF(...)          DWFTP(if (ftp_debug) (void)fprintf(ttyout, __VA_ARGS__))
351 #define DWARN(...)  DWFTP(if (ftp_debug) warn(__VA_ARGS__))
352 #endif
353 
354 #define STRorNULL(s)          ((s) ? (s) : "<null>")
355 
356 #ifdef NO_USAGE
357 void xusage(void);
358 #define UPRINTF(...)          xusage()
359 #else
360 #define UPRINTF(...)          (void)fprintf(ttyout, __VA_ARGS__)
361 #endif
362