1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * 6 * %sccs.include.redist.c% 7 * 8 * @(#)tip.h 8.1 (Berkeley) 06/06/93 9 */ 10 11 /* 12 * tip - terminal interface program 13 */ 14 15 #include <sys/types.h> 16 #include <machine/endian.h> 17 #include <sys/file.h> 18 #include <sys/time.h> 19 20 #include <sgtty.h> 21 #include <signal.h> 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 #include <pwd.h> 26 #include <ctype.h> 27 #include <setjmp.h> 28 #include <unistd.h> 29 #include <errno.h> 30 31 /* 32 * Remote host attributes 33 */ 34 char *DV; /* UNIX device(s) to open */ 35 char *EL; /* chars marking an EOL */ 36 char *CM; /* initial connection message */ 37 char *IE; /* EOT to expect on input */ 38 char *OE; /* EOT to send to complete FT */ 39 char *CU; /* call unit if making a phone call */ 40 char *AT; /* acu type */ 41 char *PN; /* phone number(s) */ 42 char *DI; /* disconnect string */ 43 char *PA; /* parity to be generated */ 44 45 char *PH; /* phone number file */ 46 char *RM; /* remote file name */ 47 char *HO; /* host name */ 48 49 long BR; /* line speed for conversation */ 50 long FS; /* frame size for transfers */ 51 52 char DU; /* this host is dialed up */ 53 char HW; /* this device is hardwired, see hunt.c */ 54 char *ES; /* escape character */ 55 char *EX; /* exceptions */ 56 char *FO; /* force (literal next) char*/ 57 char *RC; /* raise character */ 58 char *RE; /* script record file */ 59 char *PR; /* remote prompt */ 60 long DL; /* line delay for file transfers to remote */ 61 long CL; /* char delay for file transfers to remote */ 62 long ET; /* echocheck timeout */ 63 char HD; /* this host is half duplex - do local echo */ 64 65 /* 66 * String value table 67 */ 68 typedef 69 struct { 70 char *v_name; /* whose name is it */ 71 char v_type; /* for interpreting set's */ 72 char v_access; /* protection of touchy ones */ 73 char *v_abrev; /* possible abreviation */ 74 char *v_value; /* casted to a union later */ 75 } 76 value_t; 77 78 #define STRING 01 /* string valued */ 79 #define BOOL 02 /* true-false value */ 80 #define NUMBER 04 /* numeric value */ 81 #define CHAR 010 /* character value */ 82 83 #define WRITE 01 /* write access to variable */ 84 #define READ 02 /* read access */ 85 86 #define CHANGED 01 /* low bit is used to show modification */ 87 #define PUBLIC 1 /* public access rights */ 88 #define PRIVATE 03 /* private to definer */ 89 #define ROOT 05 /* root defined */ 90 91 #define TRUE 1 92 #define FALSE 0 93 94 #define ENVIRON 020 /* initialize out of the environment */ 95 #define IREMOTE 040 /* initialize out of remote structure */ 96 #define INIT 0100 /* static data space used for initialization */ 97 #define TMASK 017 98 99 /* 100 * Definition of ACU line description 101 */ 102 typedef 103 struct { 104 char *acu_name; 105 int (*acu_dialer)(); 106 int (*acu_disconnect)(); 107 int (*acu_abort)(); 108 } 109 acu_t; 110 111 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 112 113 /* 114 * variable manipulation stuff -- 115 * if we defined the value entry in value_t, then we couldn't 116 * initialize it in vars.c, so we cast it as needed to keep lint 117 * happy. 118 */ 119 typedef 120 union { 121 int zz_number; 122 short zz_boolean[2]; 123 char zz_character[4]; 124 int *zz_address; 125 } 126 zzhack; 127 128 #define value(v) vtable[v].v_value 129 130 #define number(v) ((((zzhack *)(&(v))))->zz_number) 131 132 #if BYTE_ORDER == LITTLE_ENDIAN 133 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0]) 134 #define character(v) ((((zzhack *)(&(v))))->zz_character[0]) 135 #endif 136 137 #if BYTE_ORDER == BIG_ENDIAN 138 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1]) 139 #define character(v) ((((zzhack *)(&(v))))->zz_character[3]) 140 #endif 141 142 #define address(v) ((((zzhack *)(&(v))))->zz_address) 143 144 /* 145 * Escape command table definitions -- 146 * lookup in this table is performed when ``escapec'' is recognized 147 * at the begining of a line (as defined by the eolmarks variable). 148 */ 149 150 typedef 151 struct { 152 char e_char; /* char to match on */ 153 char e_flags; /* experimental, priviledged */ 154 char *e_help; /* help string */ 155 int (*e_func)(); /* command */ 156 } 157 esctable_t; 158 159 #define NORM 00 /* normal protection, execute anyone */ 160 #define EXP 01 /* experimental, mark it with a `*' on help */ 161 #define PRIV 02 /* priviledged, root execute only */ 162 163 extern int vflag; /* verbose during reading of .tiprc file */ 164 extern value_t vtable[]; /* variable table */ 165 166 #ifndef ACULOG 167 #define logent(a, b, c, d) 168 #define loginit() 169 #endif 170 171 /* 172 * Definition of indices into variable table so 173 * value(DEFINE) turns into a static address. 174 */ 175 176 #define BEAUTIFY 0 177 #define BAUDRATE 1 178 #define DIALTIMEOUT 2 179 #define EOFREAD 3 180 #define EOFWRITE 4 181 #define EOL 5 182 #define ESCAPE 6 183 #define EXCEPTIONS 7 184 #define FORCE 8 185 #define FRAMESIZE 9 186 #define HOST 10 187 #define LOG 11 188 #define PHONES 12 189 #define PROMPT 13 190 #define RAISE 14 191 #define RAISECHAR 15 192 #define RECORD 16 193 #define REMOTE 17 194 #define SCRIPT 18 195 #define TABEXPAND 19 196 #define VERBOSE 20 197 #define SHELL 21 198 #define HOME 22 199 #define ECHOCHECK 23 200 #define DISCONNECT 24 201 #define TAND 25 202 #define LDELAY 26 203 #define CDELAY 27 204 #define ETIMEOUT 28 205 #define RAWFTP 29 206 #define HALFDUPLEX 30 207 #define LECHO 31 208 #define PARITY 32 209 210 #define NOVAL ((value_t *)NULL) 211 #define NOACU ((acu_t *)NULL) 212 #define NOSTR ((char *)NULL) 213 #define NOFILE ((FILE *)NULL) 214 #define NOPWD ((struct passwd *)0) 215 216 struct sgttyb arg; /* current mode of local terminal */ 217 struct sgttyb defarg; /* initial mode of local terminal */ 218 struct tchars tchars; /* current state of terminal */ 219 struct tchars defchars; /* initial state of terminal */ 220 struct ltchars ltchars; /* current local characters of terminal */ 221 struct ltchars deflchars; /* initial local characters of terminal */ 222 223 FILE *fscript; /* FILE for scripting */ 224 225 int fildes[2]; /* file transfer synchronization channel */ 226 int repdes[2]; /* read process sychronization channel */ 227 int FD; /* open file descriptor to remote host */ 228 int AC; /* open file descriptor to dialer (v831 only) */ 229 int vflag; /* print .tiprc initialization sequence */ 230 int sfd; /* for ~< operation */ 231 int pid; /* pid of tipout */ 232 uid_t uid, euid; /* real and effective user id's */ 233 gid_t gid, egid; /* real and effective group id's */ 234 int stop; /* stop transfer session flag */ 235 int quit; /* same; but on other end */ 236 int intflag; /* recognized interrupt */ 237 int stoprompt; /* for interrupting a prompt session */ 238 int timedout; /* ~> transfer timedout */ 239 int cumode; /* simulating the "cu" program */ 240 241 char fname[80]; /* file name buffer for ~< */ 242 char copyname[80]; /* file name buffer for ~> */ 243 char ccc; /* synchronization character */ 244 char ch; /* for tipout */ 245 char *uucplock; /* name of lock file for uucp's */ 246 247 int odisc; /* initial tty line discipline */ 248 extern int disc; /* current tty discpline */ 249 250 extern char *ctrl(); 251 extern char *vinterp(); 252 extern char *connect(); 253