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Annotation of src/usr.bin/tip/tip.h, Revision 1.12

1.12    ! millert     1: /*     $OpenBSD: tip.h,v 1.11 2001/09/09 19:30:49 millert Exp $        */
1.6       millert     2: /*     $NetBSD: tip.h,v 1.7 1997/04/20 00:02:46 mellon Exp $   */
1.1       deraadt     3:
                      4: /*
                      5:  * Copyright (c) 1989, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. All advertising materials mentioning features or use of this software
                     18:  *    must display the following acknowledgement:
                     19:  *     This product includes software developed by the University of
                     20:  *     California, Berkeley and its contributors.
                     21:  * 4. Neither the name of the University nor the names of its contributors
                     22:  *    may be used to endorse or promote products derived from this software
                     23:  *    without specific prior written permission.
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35:  * SUCH DAMAGE.
                     36:  *
                     37:  *      @(#)tip.h      8.1 (Berkeley) 6/6/93
                     38:  */
                     39:
                     40: /*
                     41:  * tip - terminal interface program
                     42:  */
                     43:
                     44: #include <sys/types.h>
                     45: #include <sys/file.h>
                     46: #include <sys/time.h>
1.8       deraadt    47: #include <sys/wait.h>
                     48: #include <sys/ioctl.h>
1.1       deraadt    49:
1.2       deraadt    50: #include <termios.h>
1.1       deraadt    51: #include <signal.h>
                     52: #include <stdio.h>
                     53: #include <stdlib.h>
                     54: #include <string.h>
                     55: #include <pwd.h>
                     56: #include <ctype.h>
                     57: #include <setjmp.h>
                     58: #include <unistd.h>
                     59: #include <errno.h>
1.7       millert    60: #include <limits.h>
1.1       deraadt    61:
                     62: /*
                     63:  * Remote host attributes
                     64:  */
                     65: char   *DV;                    /* UNIX device(s) to open */
                     66: char   *EL;                    /* chars marking an EOL */
                     67: char   *CM;                    /* initial connection message */
                     68: char   *IE;                    /* EOT to expect on input */
                     69: char   *OE;                    /* EOT to send to complete FT */
                     70: char   *CU;                    /* call unit if making a phone call */
                     71: char   *AT;                    /* acu type */
                     72: char   *PN;                    /* phone number(s) */
                     73: char   *DI;                    /* disconnect string */
                     74: char   *PA;                    /* parity to be generated */
                     75:
                     76: char   *PH;                    /* phone number file */
                     77: char   *RM;                    /* remote file name */
                     78: char   *HO;                    /* host name */
                     79:
                     80: long   BR;                     /* line speed for conversation */
                     81: long   FS;                     /* frame size for transfers */
                     82:
1.6       millert    83: short  DU;                     /* this host is dialed up */
                     84: short  HW;                     /* this device is hardwired, see hunt.c */
1.1       deraadt    85: char   *ES;                    /* escape character */
                     86: char   *EX;                    /* exceptions */
                     87: char   *FO;                    /* force (literal next) char*/
                     88: char   *RC;                    /* raise character */
                     89: char   *RE;                    /* script record file */
                     90: char   *PR;                    /* remote prompt */
                     91: long   DL;                     /* line delay for file transfers to remote */
                     92: long   CL;                     /* char delay for file transfers to remote */
                     93: long   ET;                     /* echocheck timeout */
1.6       millert    94: short  HD;                     /* this host is half duplex - do local echo */
                     95: short  DC;                     /* this host is directly connected. */
1.1       deraadt    96:
                     97: /*
                     98:  * String value table
                     99:  */
                    100: typedef
                    101:        struct {
                    102:                char    *v_name;        /* whose name is it */
                    103:                char    v_type;         /* for interpreting set's */
                    104:                char    v_access;       /* protection of touchy ones */
                    105:                char    *v_abrev;       /* possible abreviation */
                    106:                char    *v_value;       /* casted to a union later */
                    107:        }
                    108:        value_t;
                    109:
                    110: #define STRING 01              /* string valued */
                    111: #define BOOL   02              /* true-false value */
                    112: #define NUMBER 04              /* numeric value */
                    113: #define CHAR   010             /* character value */
                    114:
                    115: #define WRITE  01              /* write access to variable */
                    116: #define        READ    02              /* read access */
                    117:
                    118: #define CHANGED        01              /* low bit is used to show modification */
                    119: #define PUBLIC 1               /* public access rights */
                    120: #define PRIVATE        03              /* private to definer */
                    121: #define ROOT   05              /* root defined */
                    122:
                    123: #define        TRUE    1
                    124: #define FALSE  0
                    125:
                    126: #define ENVIRON        020             /* initialize out of the environment */
                    127: #define IREMOTE        040             /* initialize out of remote structure */
                    128: #define INIT   0100            /* static data space used for initialization */
                    129: #define TMASK  017
                    130:
                    131: /*
                    132:  * Definition of ACU line description
                    133:  */
                    134: typedef
                    135:        struct {
                    136:                char    *acu_name;
                    137:                int     (*acu_dialer)();
                    138:                int     (*acu_disconnect)();
                    139:                int     (*acu_abort)();
                    140:        }
                    141:        acu_t;
                    142:
                    143: #define        equal(a, b)     (strcmp(a,b)==0)/* A nice function to string compare */
                    144:
                    145: /*
                    146:  * variable manipulation stuff --
                    147:  *   if we defined the value entry in value_t, then we couldn't
                    148:  *   initialize it in vars.c, so we cast it as needed to keep lint
                    149:  *   happy.
                    150:  */
                    151:
                    152: #define value(v)       vtable[v].v_value
                    153:
1.5       millert   154: #define        number(v)       ((long)(v))
                    155: #define        boolean(v)      ((short)(long)(v))
                    156: #define        character(v)    ((char)(long)(v))
                    157: #define        address(v)      ((long *)(v))
                    158:
                    159: #define        setnumber(v,n)          do { (v) = (char *)(long)(n); } while (0)
                    160: #define        setboolean(v,n)         do { (v) = (char *)(long)(n); } while (0)
                    161: #define        setcharacter(v,n)       do { (v) = (char *)(long)(n); } while (0)
                    162: #define        setaddress(v,n)         do { (v) = (char *)(n); } while (0)
1.1       deraadt   163:
                    164: /*
                    165:  * Escape command table definitions --
                    166:  *   lookup in this table is performed when ``escapec'' is recognized
                    167:  *   at the begining of a line (as defined by the eolmarks variable).
                    168: */
                    169:
                    170: typedef
                    171:        struct {
                    172:                char    e_char;         /* char to match on */
                    173:                char    e_flags;        /* experimental, priviledged */
                    174:                char    *e_help;        /* help string */
                    175:                int     (*e_func)();    /* command */
                    176:        }
                    177:        esctable_t;
                    178:
                    179: #define NORM   00              /* normal protection, execute anyone */
                    180: #define EXP    01              /* experimental, mark it with a `*' on help */
                    181: #define PRIV   02              /* priviledged, root execute only */
                    182:
                    183: extern int     vflag;          /* verbose during reading of .tiprc file */
1.9       todd      184: extern int     noesc;          /* no escape `~' char */
1.1       deraadt   185: extern value_t vtable[];       /* variable table */
                    186:
                    187: #ifndef ACULOG
                    188: #define logent(a, b, c, d)
                    189: #define loginit()
                    190: #endif
                    191:
                    192: /*
                    193:  * Definition of indices into variable table so
                    194:  *  value(DEFINE) turns into a static address.
                    195:  */
                    196:
                    197: #define BEAUTIFY       0
                    198: #define BAUDRATE       1
                    199: #define DIALTIMEOUT    2
                    200: #define EOFREAD                3
                    201: #define EOFWRITE       4
                    202: #define EOL            5
                    203: #define ESCAPE         6
                    204: #define EXCEPTIONS     7
                    205: #define FORCE          8
                    206: #define FRAMESIZE      9
                    207: #define HOST           10
                    208: #define LOG            11
                    209: #define PHONES         12
                    210: #define PROMPT         13
                    211: #define RAISE          14
                    212: #define RAISECHAR      15
                    213: #define RECORD         16
                    214: #define REMOTE         17
                    215: #define SCRIPT         18
                    216: #define TABEXPAND      19
                    217: #define VERBOSE                20
                    218: #define SHELL          21
                    219: #define HOME           22
                    220: #define ECHOCHECK      23
                    221: #define DISCONNECT     24
                    222: #define TAND           25
                    223: #define LDELAY         26
                    224: #define CDELAY         27
                    225: #define ETIMEOUT       28
                    226: #define RAWFTP         29
                    227: #define HALFDUPLEX     30
                    228: #define        LECHO           31
                    229: #define        PARITY          32
                    230:
                    231: #define NOVAL  ((value_t *)NULL)
                    232: #define NOACU  ((acu_t *)NULL)
                    233: #define NOSTR  ((char *)NULL)
                    234: #define NOFILE ((FILE *)NULL)
                    235: #define NOPWD  ((struct passwd *)0)
                    236:
1.2       deraadt   237: struct termios term;           /* current mode of terminal */
                    238: struct termios defterm;        /* initial mode of terminal */
                    239: struct termios defchars;       /* current mode with initial chars */
1.1       deraadt   240:
                    241: FILE   *fscript;               /* FILE for scripting */
                    242:
                    243: int    fildes[2];              /* file transfer synchronization channel */
                    244: int    repdes[2];              /* read process sychronization channel */
                    245: int    FD;                     /* open file descriptor to remote host */
                    246: int    AC;                     /* open file descriptor to dialer (v831 only) */
                    247: int    vflag;                  /* print .tiprc initialization sequence */
1.9       todd      248: int    noesc;                  /* no `~' escape char */
1.1       deraadt   249: int    sfd;                    /* for ~< operation */
                    250: int    pid;                    /* pid of tipout */
                    251: uid_t  uid, euid;              /* real and effective user id's */
                    252: gid_t  gid, egid;              /* real and effective group id's */
                    253: int    stop;                   /* stop transfer session flag */
                    254: int    quit;                   /* same; but on other end */
                    255: int    intflag;                /* recognized interrupt */
                    256: int    stoprompt;              /* for interrupting a prompt session */
                    257: int    timedout;               /* ~> transfer timedout */
                    258: int    cumode;                 /* simulating the "cu" program */
1.2       deraadt   259: int    bits8;                  /* terminal is is 8-bit mode */
                    260: #define STRIP_PAR      (bits8 ? 0377 : 0177)
1.1       deraadt   261:
1.7       millert   262: char   fname[PATH_MAX];        /* file name buffer for ~< */
                    263: char   copyname[PATH_MAX];     /* file name buffer for ~> */
1.1       deraadt   264: char   ccc;                    /* synchronization character */
                    265: char   ch;                     /* for tipout */
                    266: char   *uucplock;              /* name of lock file for uucp's */
                    267:
1.11      millert   268: int    odisc;                  /* initial tty line discipline */
                    269: extern int disc;               /* current tty discpline */
                    270:
                    271: extern char *__progname;       /* program name */
1.1       deraadt   272:
                    273: extern char *ctrl();
                    274: extern char *vinterp();
                    275: extern char *connect();
1.8       deraadt   276:
1.12    ! millert   277: char   *sname(char *s);
        !           278: int    any(int cc, char *p);
        !           279: int    anyof(char *s1, char *s2);
        !           280: int    args(char *buf, char *a[], int num);
        !           281: int    escape(void);
        !           282: int    prompt(char *s, char *p, size_t sz);
        !           283: int    size(char *s);
        !           284: int    speed(int n);
        !           285: int    uu_lock(char *ttyname);
        !           286: int    uu_unlock(char *ttyname);
        !           287: int    vstring(char *s, char *v);
        !           288: long   hunt(char *name);
        !           289: void   cumain(int argc, char *argv[]);
        !           290: void   daemon_uid(void);
        !           291: void   disconnect(char *reason);
        !           292: void   execute(char *s);
        !           293: void   logent(char *group, char *num, char *acu, char *message);
        !           294: void   loginit(void);
        !           295: void   prtime(char *s, time_t a);
        !           296: void   parwrite(int fd, char *buf, int n);
        !           297: void   raw(void);
        !           298: void   send(int c);
        !           299: void   setparity(char *defparity);
        !           300: void   setscript(void);
        !           301: void   shell_uid(void);
        !           302: void   tandem(char *option);
        !           303: void   tipabort(char *msg);
        !           304: void   tipin(void);
        !           305: void   tipout(void);
        !           306: void   transfer(char *buf, int fd, char *eofchars);
        !           307: void   transmit(FILE *fd, char *eofchars, char *command);
        !           308: void   ttysetup(int speed);
        !           309: void   unraw(void);
        !           310: void   user_uid(void);
        !           311: void   vinit(void);
        !           312: void   vlex(char *s);