1 /* tip.h 4.11 83/06/25 */ 2 3 /* 4 * tip - terminal interface program 5 */ 6 7 #include <sys/types.h> 8 #include <sys/file.h> 9 10 #include <sgtty.h> 11 #include <signal.h> 12 #include <stdio.h> 13 #include <pwd.h> 14 #include <ctype.h> 15 #include <setjmp.h> 16 #include <errno.h> 17 18 /* 19 * Remote host attributes 20 */ 21 char *DV; /* UNIX device(s) to open */ 22 char *EL; /* chars marking an EOL */ 23 char *CM; /* initial connection message */ 24 char *IE; /* EOT to expect on input */ 25 char *OE; /* EOT to send to complete FT */ 26 char *CU; /* call unit if making a phone call */ 27 char *AT; /* acu type */ 28 char *PN; /* phone number(s) */ 29 char *DI; /* disconnect string */ 30 char *PA; /* parity to be generated */ 31 32 char *PH; /* phone number file */ 33 char *RM; /* remote file name */ 34 char *HO; /* host name */ 35 36 int BR; /* line speed for conversation */ 37 int FS; /* frame size for transfers */ 38 39 char DU; /* this host is dialed up */ 40 char HW; /* this device is hardwired, see hunt.c */ 41 char *ES; /* escape character */ 42 char *EX; /* exceptions */ 43 char *FO; /* force (literal next) char*/ 44 char *RC; /* raise character */ 45 char *RE; /* script record file */ 46 char *PR; /* remote prompt */ 47 int DL; /* line delay for file transfers to remote */ 48 int CL; /* char delay for file transfers to remote */ 49 int ET; /* echocheck timeout */ 50 char HD; /* this host is half duplex - do local echo */ 51 52 /* 53 * String value table 54 */ 55 typedef 56 struct { 57 char *v_name; /* whose name is it */ 58 char v_type; /* for interpreting set's */ 59 char v_access; /* protection of touchy ones */ 60 char *v_abrev; /* possible abreviation */ 61 char *v_value; /* casted to a union later */ 62 } 63 value_t; 64 65 #define STRING 01 /* string valued */ 66 #define BOOL 02 /* true-false value */ 67 #define NUMBER 04 /* numeric value */ 68 #define CHAR 010 /* character value */ 69 70 #define WRITE 01 /* write access to variable */ 71 #define READ 02 /* read access */ 72 73 #define CHANGED 01 /* low bit is used to show modification */ 74 #define PUBLIC 1 /* public access rights */ 75 #define PRIVATE 03 /* private to definer */ 76 #define ROOT 05 /* root defined */ 77 78 #define TRUE 1 79 #define FALSE 0 80 81 #define ENVIRON 020 /* initialize out of the environment */ 82 #define IREMOTE 040 /* initialize out of remote structure */ 83 #define INIT 0100 /* static data space used for initialization */ 84 #define TMASK 017 85 86 /* 87 * Definition of ACU line description 88 */ 89 typedef 90 struct { 91 char *acu_name; 92 int (*acu_dialer)(); 93 int (*acu_disconnect)(); 94 int (*acu_abort)(); 95 } 96 acu_t; 97 98 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ 99 100 /* 101 * variable manipulation stuff -- 102 * if we defined the value entry in value_t, then we couldn't 103 * initialize it in vars.c, so we cast it as needed to keep lint 104 * happy. 105 */ 106 typedef 107 union { 108 int zz_number; 109 short zz_boolean; 110 char zz_character; 111 int *zz_address; 112 } 113 zzhack; 114 115 #define value(v) vtable[v].v_value 116 117 #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean) 118 #define number(v) ((((zzhack *)(&(v))))->zz_number) 119 #define character(v) ((((zzhack *)(&(v))))->zz_character) 120 #define address(v) ((((zzhack *)(&(v))))->zz_address) 121 122 /* 123 * Escape command table definitions -- 124 * lookup in this table is performed when ``escapec'' is recognized 125 * at the begining of a line (as defined by the eolmarks variable). 126 */ 127 128 typedef 129 struct { 130 char e_char; /* char to match on */ 131 char e_flags; /* experimental, priviledged */ 132 char *e_help; /* help string */ 133 int (*e_func)(); /* command */ 134 } 135 esctable_t; 136 137 #define NORM 00 /* normal protection, execute anyone */ 138 #define EXP 01 /* experimental, mark it with a `*' on help */ 139 #define PRIV 02 /* priviledged, root execute only */ 140 141 extern int vflag; /* verbose during reading of .tiprc file */ 142 extern value_t vtable[]; /* variable table */ 143 144 #ifndef ACULOG 145 #define logent(a, b, c, d) 146 #define loginit() 147 #endif 148 149 /* 150 * Definition of indices into variable table so 151 * value(DEFINE) turns into a static address. 152 */ 153 154 #define BEAUTIFY 0 155 #define BAUDRATE 1 156 #define DIALTIMEOUT 2 157 #define EOFREAD 3 158 #define EOFWRITE 4 159 #define EOL 5 160 #define ESCAPE 6 161 #define EXCEPTIONS 7 162 #define FORCE 8 163 #define FRAMESIZE 9 164 #define HOST 10 165 #define LOG 11 166 #define PHONES 12 167 #define PROMPT 13 168 #define RAISE 14 169 #define RAISECHAR 15 170 #define RECORD 16 171 #define REMOTE 17 172 #define SCRIPT 18 173 #define TABEXPAND 19 174 #define VERBOSE 20 175 #define SHELL 21 176 #define HOME 22 177 #define ECHOCHECK 23 178 #define DISCONNECT 24 179 #define TAND 25 180 #define LDELAY 26 181 #define CDELAY 27 182 #define ETIMEOUT 28 183 #define RAWFTP 29 184 #define HALFDUPLEX 30 185 #define LECHO 31 186 #define PARITY 32 187 188 #define NOVAL ((value_t *)NULL) 189 #define NOACU ((acu_t *)NULL) 190 #define NOSTR ((char *)NULL) 191 #define NOFILE ((FILE *)NULL) 192 #define NOPWD ((struct passwd *)0) 193 194 struct sgttyb arg; /* current mode of local terminal */ 195 struct sgttyb defarg; /* initial mode of local terminal */ 196 struct tchars tchars; /* current state of terminal */ 197 struct tchars defchars; /* initial state of terminal */ 198 struct ltchars ltchars; /* current local characters of terminal */ 199 struct ltchars deflchars; /* initial local characters of terminal */ 200 201 FILE *fscript; /* FILE for scripting */ 202 203 int fildes[2]; /* file transfer synchronization channel */ 204 int repdes[2]; /* read process sychronization channel */ 205 int FD; /* open file descriptor to remote host */ 206 int AC; /* open file descriptor to dialer (v831 only) */ 207 int vflag; /* print .tiprc initialization sequence */ 208 int sfd; /* for ~< operation */ 209 int pid; /* pid of tipout */ 210 int stop; /* stop transfer session flag */ 211 int quit; /* same; but on other end */ 212 int intflag; /* recognized interrupt */ 213 int stoprompt; /* for interrupting a prompt session */ 214 int timedout; /* ~> transfer timedout */ 215 int cumode; /* simulating the "cu" program */ 216 217 char fname[80]; /* file name buffer for ~< */ 218 char copyname[80]; /* file name buffer for ~> */ 219 char ccc; /* synchronization character */ 220 char ch; /* for tipout */ 221 char *uucplock; /* name of lock file for uucp's */ 222 223 int odisc; /* initial tty line discipline */ 224 extern int disc; /* current tty discpline */ 225 226 extern char *ctrl(); 227 extern char *ctime(); 228 extern long time(); 229 extern struct passwd *getpwuid(); 230 extern char *getlogin(); 231 extern char *vinterp(); 232 extern char *getenv(); 233 extern char *rindex(); 234 extern char *index(); 235 extern char *malloc(); 236 extern char *connect(); 237