contrib/tnftp/ftp_var.h

   1 /*      $NetBSD: ftp_var.h,v 1.79 2008/05/10 00:05:31 skd Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1996-2007 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 #include <sys/socket.h>
 105
 106 #include <netinet/in.h>
 107 #include <arpa/inet.h>
 108
 109 #include <poll.h>
 110
 111 #include <setjmp.h>
 112 #include <stringlist.h>
 113
 114 #ifndef NO_EDITCOMPLETE
 115 #include <histedit.h>
 116 #endif /* !NO_EDITCOMPLETE */
 117
 118 #include "extern.h"
 119 #include "progressbar.h"
 120
 121 /*
 122  * Format of command table.
 123  */
 124 struct cmd {
 125         char            *c_name;        /* name of command */
 126         const char      *c_help;        /* help string */
 127         char            c_bell;         /* give bell when command completes */
 128         char            c_conn;         /* must be connected to use command */
 129         char            c_proxy;        /* proxy server may execute */
 130 #ifndef NO_EDITCOMPLETE
 131         const char      *c_complete;    /* context sensitive completion list */
 132 #endif /* !NO_EDITCOMPLETE */
 133         void            (*c_handler)(int, char **); /* function to call */
 134 };
 135
 136 /*
 137  * Format of macro table
 138  */
 139 struct macel {
 140         char     mac_name[9];   /* macro name */
 141         char    *mac_start;     /* start of macro in macbuf */
 142         char    *mac_end;       /* end of macro in macbuf */
 143 };
 144
 145 /*
 146  * Format of option table
 147  */
 148 struct option {
 149         char    *name;
 150         char    *value;
 151 };
 152
 153 /*
 154  * Indices to features[]; an array containing status of remote server
 155  * features; -1 not known (FEAT failed), 0 absent, 1 present.
 156  */
 157 enum {
 158         FEAT_FEAT = 0,          /* FEAT, OPTS */
 159         FEAT_MDTM,              /* MDTM */
 160         FEAT_MLST,              /* MLSD, MLST */
 161         FEAT_REST_STREAM,       /* RESTart STREAM */
 162         FEAT_SIZE,              /* SIZE */
 163         FEAT_TVFS,              /* TVFS (not used) */
 164         FEAT_max
 165 };
 166
 167
 168 /*
 169  * Global defines
 170  */
 171 #define FTPBUFLEN       MAXPATHLEN + 200
 172 #define MAX_IN_PORT_T   0xffffU
 173
 174 #define HASHBYTES       1024    /* default mark for `hash' command */
 175 #define DEFAULTINCR     1024    /* default increment for `rate' command */
 176
 177 #define FTP_PORT        21      /* default if ! getservbyname("ftp/tcp") */
 178 #define HTTP_PORT       80      /* default if ! getservbyname("http/tcp") */
 179 #ifndef GATE_PORT
 180 #define GATE_PORT       21      /* default if ! getservbyname("ftpgate/tcp") */
 181 #endif
 182 #ifndef GATE_SERVER
 183 #define GATE_SERVER     ""      /* default server */
 184 #endif
 185
 186 #define DEFAULTPAGER    "more"  /* default pager if $PAGER isn't set */
 187 #define DEFAULTPROMPT   "ftp> " /* default prompt  if `set prompt' is empty */
 188 #define DEFAULTRPROMPT  ""      /* default rprompt if `set rprompt' is empty */
 189
 190 #define TMPFILE         "ftpXXXXXXXXXX"
 191
 192
 193 #ifndef GLOBAL
 194 #define GLOBAL  extern
 195 #endif
 196
 197 /*
 198  * Options and other state info.
 199  */
 200 GLOBAL  int     trace;          /* trace packets exchanged */
 201 GLOBAL  int     hash;           /* print # for each buffer transferred */
 202 GLOBAL  int     mark;           /* number of bytes between hashes */
 203 GLOBAL  int     sendport;       /* use PORT/LPRT cmd for each data connection */
 204 GLOBAL  int     connected;      /* 1 = connected to server, -1 = logged in */
 205 GLOBAL  int     interactive;    /* interactively prompt on m* cmds */
 206 GLOBAL  int     confirmrest;    /* confirm rest of current m* cmd */
 207 GLOBAL  int     ftp_debug;      /* debugging level */
 208 GLOBAL  int     bell;           /* ring bell on cmd completion */
 209 GLOBAL  int     doglob;         /* glob local file names */
 210 GLOBAL  int     autologin;      /* establish user account on connection */
 211 GLOBAL  int     proxy;          /* proxy server connection active */
 212 GLOBAL  int     proxflag;       /* proxy connection exists */
 213 GLOBAL  int     gatemode;       /* use gate-ftp */
 214 GLOBAL  char   *gateserver;     /* server to use for gate-ftp */
 215 GLOBAL  int     sunique;        /* store files on server with unique name */
 216 GLOBAL  int     runique;        /* store local files with unique name */
 217 GLOBAL  int     mcase;          /* map upper to lower case for mget names */
 218 GLOBAL  int     ntflag;         /* use ntin ntout tables for name translation */
 219 GLOBAL  int     mapflag;        /* use mapin mapout templates on file names */
 220 GLOBAL  int     preserve;       /* preserve modification time on files */
 221 GLOBAL  int     code;           /* return/reply code for ftp command */
 222 GLOBAL  int     crflag;         /* if 1, strip car. rets. on ascii gets */
 223 GLOBAL  int     passivemode;    /* passive mode enabled */
 224 GLOBAL  int     activefallback; /* fall back to active mode if passive fails */
 225 GLOBAL  char   *altarg;         /* argv[1] with no shell-like preprocessing  */
 226 GLOBAL  char    ntin[17];       /* input translation table */
 227 GLOBAL  char    ntout[17];      /* output translation table */
 228 GLOBAL  char    mapin[MAXPATHLEN]; /* input map template */
 229 GLOBAL  char    mapout[MAXPATHLEN]; /* output map template */
 230 GLOBAL  char    typename[32];   /* name of file transfer type */
 231 GLOBAL  int     type;           /* requested file transfer type */
 232 GLOBAL  int     curtype;        /* current file transfer type */
 233 GLOBAL  char    structname[32]; /* name of file transfer structure */
 234 GLOBAL  int     stru;           /* file transfer structure */
 235 GLOBAL  char    formname[32];   /* name of file transfer format */
 236 GLOBAL  int     form;           /* file transfer format */
 237 GLOBAL  char    modename[32];   /* name of file transfer mode */
 238 GLOBAL  int     mode;           /* file transfer mode */
 239 GLOBAL  char    bytename[32];   /* local byte size in ascii */
 240 GLOBAL  int     bytesize;       /* local byte size in binary */
 241 GLOBAL  int     anonftp;        /* automatic anonymous login */
 242 GLOBAL  int     dirchange;      /* remote directory changed by cd command */
 243 GLOBAL  int     flushcache;     /* set HTTP cache flush headers with request */
 244 GLOBAL  int     rate_get;       /* maximum get xfer rate */
 245 GLOBAL  int     rate_get_incr;  /* increment for get xfer rate */
 246 GLOBAL  int     rate_put;       /* maximum put xfer rate */
 247 GLOBAL  int     rate_put_incr;  /* increment for put xfer rate */
 248 GLOBAL  int     retry_connect;  /* seconds between retrying connection */
 249 GLOBAL  char   *tmpdir;         /* temporary directory */
 250 GLOBAL  int     epsv4;          /* use EPSV/EPRT on IPv4 connections */
 251 GLOBAL  int     epsv4bad;       /* EPSV doesn't work on the current server */
 252 GLOBAL  int     epsv6;          /* use EPSV/EPRT on IPv6 connections */
 253 GLOBAL  int     epsv6bad;       /* EPSV doesn't work on the current server */
 254 GLOBAL  int     editing;        /* command line editing enabled */
 255 GLOBAL  int     features[FEAT_max];     /* remote FEATures supported */
 256
 257 #ifndef NO_EDITCOMPLETE
 258 GLOBAL  EditLine *el;           /* editline(3) status structure */
 259 GLOBAL  History  *hist;         /* editline(3) history structure */
 260 GLOBAL  char     *cursor_pos;   /* cursor position we're looking for */
 261 GLOBAL  size_t    cursor_argc;  /* location of cursor in margv */
 262 GLOBAL  size_t    cursor_argo;  /* offset of cursor in margv[cursor_argc] */
 263 #endif /* !NO_EDITCOMPLETE */
 264
 265 GLOBAL  char   *direction;      /* direction transfer is occurring */
 266
 267 GLOBAL  char   *hostname;       /* name of host connected to */
 268 GLOBAL  int     unix_server;    /* server is unix, can use binary for ascii */
 269 GLOBAL  int     unix_proxy;     /* proxy is unix, can use binary for ascii */
 270 GLOBAL  char    localcwd[MAXPATHLEN];   /* local dir */
 271 GLOBAL  char    remotecwd[MAXPATHLEN];  /* remote dir */
 272 GLOBAL  char   *username;       /* name of user logged in as. (dynamic) */
 273
 274 GLOBAL  sa_family_t family;     /* address family to use for connections */
 275 GLOBAL  char    *ftpport;       /* port number to use for FTP connections */
 276 GLOBAL  char    *httpport;      /* port number to use for HTTP connections */
 277 GLOBAL  char    *gateport;      /* port number to use for gateftp connections */
 278 GLOBAL  struct addrinfo *bindai; /* local address to bind as */
 279
 280 GLOBAL  char   *outfile;        /* filename to output URLs to */
 281 GLOBAL  int     restartautofetch; /* restart auto-fetch */
 282
 283 GLOBAL  char    line[FTPBUFLEN]; /* input line buffer */
 284 GLOBAL  char    *stringbase;    /* current scan point in line buffer */
 285 GLOBAL  char    argbuf[FTPBUFLEN]; /* argument storage buffer */
 286 GLOBAL  char    *argbase;       /* current storage point in arg buffer */
 287 GLOBAL  StringList *marg_sl;    /* stringlist containing margv */
 288 GLOBAL  int     margc;          /* count of arguments on input line */
 289 #define margv (marg_sl->sl_str) /* args parsed from input line */
 290 GLOBAL  int     cpend;          /* flag: if != 0, then pending server reply */
 291 GLOBAL  int     mflag;          /* flag: if != 0, then active multi command */
 292
 293 GLOBAL  int     options;        /* used during socket creation */
 294
 295 GLOBAL  int     sndbuf_size;    /* socket send buffer size */
 296 GLOBAL  int     rcvbuf_size;    /* socket receive buffer size */
 297
 298 GLOBAL  int     macnum;         /* number of defined macros */
 299 GLOBAL  struct macel macros[16];
 300 GLOBAL  char    macbuf[4096];
 301
 302 GLOBAL  char    *localhome;             /* local home directory */
 303 GLOBAL  char    *localname;             /* local user name */
 304 GLOBAL  char     netrc[MAXPATHLEN];     /* path to .netrc file */
 305 GLOBAL  char     reply_string[BUFSIZ];  /* first line of previous reply */
 306 GLOBAL  void    (*reply_callback)(const char *);
 307                                         /*
 308                                          * function to call for each line in
 309                                          * the server's reply except for the
 310                                          * first (`xxx-') and last (`xxx ')
 311                                          */
 312
 313 GLOBAL  volatile sig_atomic_t   sigint_raised;
 314
 315 GLOBAL  FILE    *cin;
 316 GLOBAL  FILE    *cout;
 317 GLOBAL  int      data;
 318
 319 extern  struct cmd      cmdtab[];
 320 extern  struct option   optiontab[];
 321
 322
 323 #define EMPTYSTRING(x)  ((x) == NULL || (*(x) == '\0'))
 324 #define FREEPTR(x)      if ((x) != NULL) { free(x); (x) = NULL; }
 325
 326 #ifdef BSD4_4
 327 # define HAVE_STRUCT_SOCKADDR_IN_SIN_LEN        1
 328 #endif
 329
 330 #ifdef NO_LONG_LONG
 331 # define STRTOLL(x,y,z) strtol(x,y,z)
 332 #else
 333 # define STRTOLL(x,y,z) strtoll(x,y,z)
 334 #endif
 335
 336 #ifdef NO_DEBUG
 337 #define DPRINTF(...)
 338 #define DWARN(...)
 339 #else
 340 #define DPRINTF(...)    if (ftp_debug) (void)fprintf(ttyout, __VA_ARGS__)
 341 #define DWARN(...)      if (ftp_debug) warn(__VA_ARGS__)
 342 #endif
 343
 344 #define STRorNULL(s)    ((s) ? (s) : "<null>")
 345
 346 #ifdef NO_USAGE
 347 void xusage(void);
 348 #define UPRINTF(...)    xusage()
 349 #else
 350 #define UPRINTF(...)    (void)fprintf(ttyout, __VA_ARGS__)
 351 #endif