/* * tip - terminal interface program */ #include <sys/types.h> #include <sys/file.h> #include <sgtty.h> #include <signal.h> #include <stdio.h> #include <pwd.h> #include <ctype.h> #include <setjmp.h> #include <phonenumber.h> #include <connect.h> #include <errno.h> /* * Remote host attributes */ char *EL; /* chars marking an EOL */ char *CM; /* initial connection message */ char *IE; /* EOT to expect on input */ char *OE; /* EOT to send to complete FT */ char *PA; /* parity to be generated */ int FS; /* frame size for transfers */ char *ES; /* escape character */ char *EX; /* exceptions */ char *FO; /* force (literal next) char*/ char *RC; /* raise character */ char *RE; /* script record file */ char *PR; /* remote prompt */ int DL; /* line delay for file transfers to remote */ int CL; /* char delay for file transfers to remote */ int ET; /* echocheck timeout */ char HD; /* this host is half duplex - do local echo */ /* * String value table */ typedef struct { char *v_name; /* whose name is it */ char v_type; /* for interpreting set's */ char v_access; /* protection of touchy ones */ char *v_abrev; /* possible abreviation */ char *v_value; /* casted to a union later */ } value_t; #define STRING 01 /* string valued */ #define BOOL 02 /* true-false value */ #define NUMBER 04 /* numeric value */ #define CHAR 010 /* character value */ #define WRITE 01 /* write access to variable */ #define READ 02 /* read access */ #define CHANGED 01 /* low bit is used to show modification */ #define PUBLIC 1 /* public access rights */ #define PRIVATE 03 /* private to definer */ #define ROOT 05 /* root defined */ #define TRUE 1 #define FALSE 0 #define ENVIRON 020 /* initialize out of the environment */ #define IREMOTE 040 /* initialize out of remote structure */ #define INIT 0100 /* static data space used for initialization */ #define TMASK 017 #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */ /* * variable manipulation stuff -- * if we defined the value entry in value_t, then we couldn't * initialize it in vars.c, so we cast it as needed to keep lint * happy. */ typedef union { int zz_number; short zz_boolean; char zz_character; int *zz_address; } zzhack; #define value(v) vtable[v].v_value #define boolean(v) ((((zzhack *)(&(v))))->zz_boolean) #define number(v) ((((zzhack *)(&(v))))->zz_number) #define character(v) ((((zzhack *)(&(v))))->zz_character) #define address(v) ((((zzhack *)(&(v))))->zz_address) /* * Escape command table definitions -- * lookup in this table is performed when ``escapec'' is recognized * at the begining of a line (as defined by the eolmarks variable). */ typedef struct { char e_char; /* char to match on */ char e_flags; /* experimental, priviledged */ char *e_help; /* help string */ int (*e_func)(); /* command */ } esctable_t; #define NORM 00 /* normal protection, execute anyone */ #define EXP 01 /* experimental, mark it with a `*' on help */ #define PRIV 02 /* priviledged, root execute only */ extern int vflag; /* verbose during reading of .tiprc file */ extern value_t vtable[]; /* variable table */ /* * Definition of indices into variable table so * value(DEFINE) turns into a static address. */ #define BEAUTIFY 0 #define DIALTIMEOUT 1 #define EOFREAD 2 #define EOFWRITE 3 #define EOL 4 #define ESCAPE 5 #define EXCEPTIONS 6 #define FORCE 7 #define FRAMESIZE 8 #define LOG 9 #define PROMPT 10 #define RAISE 11 #define RAISECHAR 12 #define RECORD 13 #define SCRIPT 14 #define TABEXPAND 15 #define VERBOSE 16 #define SHELL 17 #define HOME 18 #define ECHOCHECK 19 #define TAND 20 #define LDELAY 21 #define CDELAY 22 #define ETIMEOUT 23 #define RAWFTP 24 #define HALFDUPLEX 25 #define LECHO 26 #define PARITY 27 #define NOVAL ((value_t *)NULL) #define NOACU ((acu_t *)NULL) #define NOSTR ((char *)NULL) #define NOFILE ((FILE *)NULL) #define NOPWD ((struct passwd *)0) struct sgttyb arg; /* current mode of local terminal */ struct sgttyb defarg; /* initial mode of local terminal */ struct tchars tchars; /* current state of terminal */ struct tchars defchars; /* initial state of terminal */ struct ltchars ltchars; /* current local characters of terminal */ struct ltchars deflchars; /* initial local characters of terminal */ FILE *fscript; /* FILE for scripting */ int fildes[2]; /* file transfer synchronization channel */ int repdes[2]; /* read process sychronization channel */ int FD; /* open file descriptor to remote host */ int vflag; /* print .tiprc initialization sequence */ int sfd; /* for ~< operation */ int pid; /* pid of tipout */ int stop; /* stop transfer session flag */ int quit; /* same; but on other end */ int intflag; /* recognized interrupt */ int stoprompt; /* for interrupting a prompt session */ int timedout; /* ~> transfer timedout */ int cumode; /* simulating the "cu" program */ char fname[80]; /* file name buffer for ~< */ char copyname[80]; /* file name buffer for ~> */ char ccc; /* synchronization character */ char ch; /* for tipout */ int odisc; /* initial tty line discipline */ extern int disc; /* current tty discpline */ extern char *ctrl(); extern char *ctime(); extern long time(); extern struct passwd *getpwuid(); extern char *getlogin(); extern char *vinterp(); extern char *getenv(); extern char *rindex(); extern char *index(); extern char *malloc(); extern char *connect();