1 /* 2 * Copyright (c) 1983 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)tip.h 5.7 (Berkeley) 03/27/91 8 */ 9 10 /* 11 * tip - terminal interface program 12 */ 13 14 #include <sys/types.h> 15 #include <machine/endian.h> 16 #include <sys/file.h> 17 #include <sys/time.h> 18 19 #include <sgtty.h> 20 #include <signal.h> 21 #include <stdio.h> 22 #include <stdlib.h> 23 #include <string.h> 24 #include <pwd.h> 25 #include <ctype.h> 26 #include <setjmp.h> 27 #include <unistd.h> 28 #include <errno.h> 29 30 /* 31 * Remote host attributes 32 */ 33 char *DV; /* UNIX device(s) to open */ 34 char *EL; /* chars marking an EOL */ 35 char *CM; /* initial connection message */ 36 char *IE; /* EOT to expect on input */ 37 char *OE; /* EOT to send to complete FT */ 38 char *CU; /* call unit if making a phone call */ 39 char *AT; /* acu type */ 40 char *PN; /* phone number(s) */ 41 char *DI; /* disconnect string */ 42 char *PA; /* parity to be generated */ 43 44 char *PH; /* phone number file */ 45 char *RM; /* remote file name */ 46 char *HO; /* host name */ 47 48 int BR; /* line speed for conversation */ 49 int FS; /* frame size for transfers */ 50 51 char DU; /* this host is dialed up */ 52 char HW; /* this device is hardwired, see hunt.c */ 53 char *ES; /* escape character */ 54 char *EX; /* exceptions */ 55 char *FO; /* force (literal next) char*/ 56 char *RC; /* raise character */ 57 char *RE; /* script record file */ 58 char *PR; /* remote prompt */ 59 int DL; /* line delay for file transfers to remote */ 60 int CL; /* char delay for file transfers to remote */ 61 int ET; /* echocheck timeout */ 62 char HD; /* this host is half duplex - do local echo */ 63 64 /* 65 * String value table 66 */ 67 typedef 68 struct { 69 char *v_name; /* whose name is it */ 70 char v_type; /* for interpreting set's */ 71 char v_access; /* protection of touchy ones */ 72 char *v_abrev; /* possible abreviation */ 73 char *v_value; /* casted to a union later */ 74 } 75 value_t; 76 77 #define STRING 01 /* string valued */ 78 #define BOOL 02 /* true-false value */ 79 #define NUMBER 04 /* numeric value */ 80 #define CHAR 010 /* character value */ 81 82 #define WRITE 01 /* write access to variable */ 83 #define READ 02 /* read access */ 84 85 #define CHANGED 01 /* low bit is used to show modification */ 86 #define PUBLIC 1 /* public access rights */ 87 #define PRIVATE 03 /* private to definer */ 88 #define ROOT 05 /* root defined */ 89 90 #define TRUE 1 91 #define FALSE 0 92 93 #define ENVIRON 020 /* initialize out of the environment */ 94 #define IREMOTE 040 /* initialize out of remote structure */ 95 #define INIT 0100 /* static data space used for initialization */ 96 #define TMASK 017 97 98 /* 99 * Definition of ACU line description 100 */ 101 typedef 102 struct { 103 char *acu_name; 104 int (*acu_dialer)(); 105 int (*acu_disconnect)(); 106 int (*acu_abort)(); 107 } 108 acu_t; 109 110 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 111 112 /* 113 * variable manipulation stuff -- 114 * if we defined the value entry in value_t, then we couldn't 115 * initialize it in vars.c, so we cast it as needed to keep lint 116 * happy. 117 */ 118 typedef 119 union { 120 int zz_number; 121 short zz_boolean[2]; 122 char zz_character[4]; 123 int *zz_address; 124 } 125 zzhack; 126 127 #define value(v) vtable[v].v_value 128 129 #define number(v) ((((zzhack *)(&(v))))->zz_number) 130 131 #if BYTE_ORDER == LITTLE_ENDIAN 132 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0]) 133 #define character(v) ((((zzhack *)(&(v))))->zz_character[0]) 134 #endif 135 136 #if BYTE_ORDER == BIG_ENDIAN 137 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1]) 138 #define character(v) ((((zzhack *)(&(v))))->zz_character[3]) 139 #endif 140 141 #define address(v) ((((zzhack *)(&(v))))->zz_address) 142 143 /* 144 * Escape command table definitions -- 145 * lookup in this table is performed when ``escapec'' is recognized 146 * at the begining of a line (as defined by the eolmarks variable). 147 */ 148 149 typedef 150 struct { 151 char e_char; /* char to match on */ 152 char e_flags; /* experimental, priviledged */ 153 char *e_help; /* help string */ 154 int (*e_func)(); /* command */ 155 } 156 esctable_t; 157 158 #define NORM 00 /* normal protection, execute anyone */ 159 #define EXP 01 /* experimental, mark it with a `*' on help */ 160 #define PRIV 02 /* priviledged, root execute only */ 161 162 extern int vflag; /* verbose during reading of .tiprc file */ 163 extern value_t vtable[]; /* variable table */ 164 165 #ifndef ACULOG 166 #define logent(a, b, c, d) 167 #define loginit() 168 #endif 169 170 /* 171 * Definition of indices into variable table so 172 * value(DEFINE) turns into a static address. 173 */ 174 175 #define BEAUTIFY 0 176 #define BAUDRATE 1 177 #define DIALTIMEOUT 2 178 #define EOFREAD 3 179 #define EOFWRITE 4 180 #define EOL 5 181 #define ESCAPE 6 182 #define EXCEPTIONS 7 183 #define FORCE 8 184 #define FRAMESIZE 9 185 #define HOST 10 186 #define LOG 11 187 #define PHONES 12 188 #define PROMPT 13 189 #define RAISE 14 190 #define RAISECHAR 15 191 #define RECORD 16 192 #define REMOTE 17 193 #define SCRIPT 18 194 #define TABEXPAND 19 195 #define VERBOSE 20 196 #define SHELL 21 197 #define HOME 22 198 #define ECHOCHECK 23 199 #define DISCONNECT 24 200 #define TAND 25 201 #define LDELAY 26 202 #define CDELAY 27 203 #define ETIMEOUT 28 204 #define RAWFTP 29 205 #define HALFDUPLEX 30 206 #define LECHO 31 207 #define PARITY 32 208 209 #define NOVAL ((value_t *)NULL) 210 #define NOACU ((acu_t *)NULL) 211 #define NOSTR ((char *)NULL) 212 #define NOFILE ((FILE *)NULL) 213 #define NOPWD ((struct passwd *)0) 214 215 struct sgttyb arg; /* current mode of local terminal */ 216 struct sgttyb defarg; /* initial mode of local terminal */ 217 struct tchars tchars; /* current state of terminal */ 218 struct tchars defchars; /* initial state of terminal */ 219 struct ltchars ltchars; /* current local characters of terminal */ 220 struct ltchars deflchars; /* initial local characters of terminal */ 221 222 FILE *fscript; /* FILE for scripting */ 223 224 int fildes[2]; /* file transfer synchronization channel */ 225 int repdes[2]; /* read process sychronization channel */ 226 int FD; /* open file descriptor to remote host */ 227 int AC; /* open file descriptor to dialer (v831 only) */ 228 int vflag; /* print .tiprc initialization sequence */ 229 int sfd; /* for ~< operation */ 230 int pid; /* pid of tipout */ 231 uid_t uid, euid; /* real and effective user id's */ 232 gid_t gid, egid; /* real and effective group id's */ 233 int stop; /* stop transfer session flag */ 234 int quit; /* same; but on other end */ 235 int intflag; /* recognized interrupt */ 236 int stoprompt; /* for interrupting a prompt session */ 237 int timedout; /* ~> transfer timedout */ 238 int cumode; /* simulating the "cu" program */ 239 240 char fname[80]; /* file name buffer for ~< */ 241 char copyname[80]; /* file name buffer for ~> */ 242 char ccc; /* synchronization character */ 243 char ch; /* for tipout */ 244 char *uucplock; /* name of lock file for uucp's */ 245 246 int odisc; /* initial tty line discipline */ 247 extern int disc; /* current tty discpline */ 248 249 extern char *ctrl(); 250 extern char *vinterp(); 251 extern char *connect(); 252