usr.bin/tip/tip/tip.h

   1 /*
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by the University of
  17  *      California, Berkeley and its contributors.
  18  * 4. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)tip.h       8.1 (Berkeley) 6/6/93
  35  *
  36  * $FreeBSD: src/usr.bin/tip/tip/tip.h,v 1.5.2.1 2000/07/01 12:24:23 ps Exp $
  37  * $DragonFly: src/usr.bin/tip/tip/tip.h,v 1.5 2005/04/19 05:32:02 cpressey Exp $
  38  */
  39
  40 /*
  41  * tip - terminal interface program
  42  */
  43
  44 #include <sys/types.h>
  45 #include <machine/endian.h>
  46 #include <sys/file.h>
  47 #include <sys/time.h>
  48 #include <limits.h>
  49
  50 #if HAVE_TERMIOS
  51 #include <sys/ioctl.h>         /* for TIOCHPCL */
  52 #include <sys/filio.h>    /* for FIONREAD */
  53 #include <sys/termios.h>
  54 #else
  55 #include <sgtty.h>
  56 #endif
  57
  58 #include <signal.h>
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #include <pwd.h>
  63 #include <ctype.h>
  64 #include <setjmp.h>
  65 #include <unistd.h>
  66 #include <errno.h>
  67
  68 /*
  69  * Remote host attributes
  70  */
  71 char    *DV;                    /* UNIX device(s) to open */
  72 char    *EL;                    /* chars marking an EOL */
  73 char    *CM;                    /* initial connection message */
  74 char    *IE;                    /* EOT to expect on input */
  75 char    *OE;                    /* EOT to send to complete FT */
  76 char    *CU;                    /* call unit if making a phone call */
  77 char    *AT;                    /* acu type */
  78 char    *PN;                    /* phone number(s) */
  79 char    *DI;                    /* disconnect string */
  80 char    *PA;                    /* parity to be generated */
  81
  82 char    *PH;                    /* phone number file */
  83 char    *RM;                    /* remote file name */
  84 char    *HO;                    /* host name */
  85
  86 char    *LI;                    /* login script */
  87 char    *LO;                    /* logout script */
  88
  89 long    BR;                     /* line speed for conversation */
  90 long    FS;                     /* frame size for transfers */
  91
  92 char    DU;                     /* this host is dialed up */
  93 char    HW;                     /* this device is hardwired, see hunt.c */
  94 char    *ES;                    /* escape character */
  95 char    *EX;                    /* exceptions */
  96 char    *FO;                    /* force (literal next) char*/
  97 char    *RC;                    /* raise character */
  98 char    *RE;                    /* script record file */
  99 char    *PR;                    /* remote prompt */
 100 long    DL;                     /* line delay for file transfers to remote */
 101 long    CL;                     /* char delay for file transfers to remote */
 102 long    ET;                     /* echocheck timeout */
 103 char    HD;                     /* this host is half duplex - do local echo */
 104
 105 /*
 106  * String value table
 107  */
 108 typedef
 109         struct {
 110                 char    *v_name;        /* whose name is it */
 111                 char    v_type;         /* for interpreting set's */
 112                 char    v_access;       /* protection of touchy ones */
 113                 char    *v_abrev;       /* possible abreviation */
 114                 char    *v_value;       /* casted to a union later */
 115         }
 116         value_t;
 117
 118 #define STRING  01              /* string valued */
 119 #define BOOL    02              /* true-false value */
 120 #define NUMBER  04              /* numeric value */
 121 #define CHAR    010             /* character value */
 122
 123 #define WRITE   01              /* write access to variable */
 124 #define READ    02              /* read access */
 125
 126 #define CHANGED 01              /* low bit is used to show modification */
 127 #define PUBLIC  1               /* public access rights */
 128 #define PRIVATE 03              /* private to definer */
 129 #define ROOT    05              /* root defined */
 130
 131 #define TRUE    1
 132 #define FALSE   0
 133
 134 #define ENVIRON 020             /* initialize out of the environment */
 135 #define IREMOTE 040             /* initialize out of remote structure */
 136 #define INIT    0100            /* static data space used for initialization */
 137 #define TMASK   017
 138
 139 /*
 140  * Definition of ACU line description
 141  */
 142 typedef
 143         struct {
 144                 char    *acu_name;
 145                 int     (*acu_dialer)();
 146                 void    (*acu_disconnect)();
 147                 void    (*acu_abort)();
 148         }
 149         acu_t;
 150
 151 #define equal(a, b)     (strcmp(a,b)==0)/* A nice function to string compare */
 152
 153 /*
 154  * variable manipulation stuff --
 155  *   if we defined the value entry in value_t, then we couldn't
 156  *   initialize it in vars.c, so we cast it as needed to keep lint
 157  *   happy.
 158  */
 159 typedef
 160         union {
 161                 int     zz_number;
 162                 short   zz_boolean[2];
 163                 char    zz_character[4];
 164                 int     *zz_address;
 165         }
 166         zzhack;
 167
 168 #define value(v)        vtable[v].v_value
 169
 170 #define number(v)       ((((zzhack *)(&(v))))->zz_number)
 171
 172 #if BYTE_ORDER == LITTLE_ENDIAN
 173 #define boolean(v)      ((((zzhack *)(&(v))))->zz_boolean[0])
 174 #define character(v)    ((((zzhack *)(&(v))))->zz_character[0])
 175 #endif
 176
 177 #if BYTE_ORDER == BIG_ENDIAN
 178 #define boolean(v)      ((((zzhack *)(&(v))))->zz_boolean[1])
 179 #define character(v)    ((((zzhack *)(&(v))))->zz_character[3])
 180 #endif
 181
 182 #define address(v)      ((((zzhack *)(&(v))))->zz_address)
 183
 184 /*
 185  * Escape command table definitions --
 186  *   lookup in this table is performed when ``escapec'' is recognized
 187  *   at the begining of a line (as defined by the eolmarks variable).
 188 */
 189
 190 typedef
 191         struct {
 192                 char    e_char;         /* char to match on */
 193                 char    e_flags;        /* experimental, priviledged */
 194                 char    *e_help;        /* help string */
 195                 int     (*e_func)();    /* command */
 196         }
 197         esctable_t;
 198
 199 #define NORM    00              /* normal protection, execute anyone */
 200 #define EXP     01              /* experimental, mark it with a `*' on help */
 201 #define PRIV    02              /* priviledged, root execute only */
 202
 203 extern int      vflag;          /* verbose during reading of .tiprc file */
 204 extern value_t  vtable[];       /* variable table */
 205
 206 #if !ACULOG
 207 #define logent(a, b, c, d)
 208 #define loginit(x)
 209 #else
 210 void logent(char *, char *, char *, char*);
 211 void  loginit(void);
 212 #endif
 213
 214 /*
 215  * Definition of indices into variable table so
 216  *  value(DEFINE) turns into a static address.
 217  */
 218
 219 /*
 220 'a,.!awk '{ printf("\%s \%s \%d\n", $1, $2, NR - 1); }'
 221 */
 222
 223 #define BEAUTIFY 0
 224 #define BAUDRATE 1
 225 #define DIALTIMEOUT 2
 226 #define EOFREAD 3
 227 #define EOFWRITE 4
 228 #define EOL 5
 229 #define ESCAPE 6
 230 #define EXCEPTIONS 7
 231 #define FORCE 8
 232 #define FRAMESIZE 9
 233 #define HOST 10
 234 #define LOG 11
 235 #define LOGIN 12
 236 #define LOGOUT 13
 237 #define PHONES 14
 238 #define PROMPT 15
 239 #define RAISE 16
 240 #define RAISECHAR 17
 241 #define RECORD 18
 242 #define REMOTE 19
 243 #define SCRIPT 20
 244 #define TABEXPAND 21
 245 #define VERBOSE 22
 246 #define SHELL 23
 247 #define HOME 24
 248 #define ECHOCHECK 25
 249 #define DISCONNECT 26
 250 #define TAND 27
 251 #define LDELAY 28
 252 #define CDELAY 29
 253 #define ETIMEOUT 30
 254 #define RAWFTP 31
 255 #define HALFDUPLEX 32
 256 #define LECHO 33
 257 #define PARITY 34
 258
 259 #if HAVE_TERMIOS
 260 struct termios otermios;
 261 struct termios ctermios;
 262 #else /* HAVE_TERMIOS */
 263 struct sgttyb   arg;            /* current mode of local terminal */
 264 struct sgttyb   defarg;         /* initial mode of local terminal */
 265 struct tchars   tchars;         /* current state of terminal */
 266 struct tchars   defchars;       /* initial state of terminal */
 267 struct ltchars  ltchars;        /* current local characters of terminal */
 268 struct ltchars  deflchars;      /* initial local characters of terminal */
 269 #endif /* HAVE_TERMIOS */
 270
 271 FILE    *fscript;               /* FILE for scripting */
 272
 273 int     fildes[2];              /* file transfer synchronization channel */
 274 int     repdes[2];              /* read process sychronization channel */
 275 int     FD;                     /* open file descriptor to remote host */
 276 int     AC;                     /* open file descriptor to dialer (v831 only) */
 277 int     vflag;                  /* print .tiprc initialization sequence */
 278 int     sfd;                    /* for ~< operation */
 279 int     pid;                    /* pid of tipout */
 280 uid_t   uid, euid;              /* real and effective user id's */
 281 gid_t   gid, egid;              /* real and effective group id's */
 282 int     stop;                   /* stop transfer session flag */
 283 int     quit;                   /* same; but on other end */
 284 int     intflag;                /* recognized interrupt */
 285 int     stoprompt;              /* for interrupting a prompt session */
 286 int     timedout;               /* ~> transfer timedout */
 287 int     cumode;                 /* simulating the "cu" program */
 288
 289 char    fname[PATH_MAX];        /* file name buffer for ~< */
 290 char    copyname[PATH_MAX];     /* file name buffer for ~> */
 291 char    ccc;                    /* synchronization character */
 292 char    ch;                     /* for tipout */
 293 char    *uucplock;              /* name of lock file for uucp's */
 294
 295 int     odisc;                          /* initial tty line discipline */
 296 extern  int disc;                       /* current tty discpline */
 297
 298 extern  char *ctrl();
 299 extern  char *vinterp();
 300 extern  char *connect();
 301 extern  int   size(char *);
 302 extern  int   any(char, char *);
 303 extern  void  setscript(void);
 304 extern  void  tipout(void);
 305 extern  void  vinit(void);
 306 extern  long  hunt(char *);
 307 extern  int vstring(char *, char *);
 308 extern  void setparity(char *);
 309 extern  void vlex(char *);
 310 extern  void daemon_uid(void);
 311 extern  void disconnect(char *);
 312 extern  void shell_uid(void);
 313 extern  void unraw(void);
 314 extern  void xpwrite(int, char *, int);
 315 extern  int prompt(char *, char *, size_t);
 316 extern  int consh(int);
 317 extern  void tipabort(char *);
 318
 319 #define TL_VERBOSE       0x00000001
 320 #define TL_SIGNAL_TIPOUT 0x00000002
 321
 322 int tiplink (char *cmd, unsigned int flags);
 323 void raw ();
 324
 325 /* end of tip.h */