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ckuus5.c
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ckuus5.c
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#include "ckcsym.h"
int xcmdsrc = 0;
#ifdef NOICP
int cmdsrc() { return(0); }
#endif /* NOICP */
/* C K U U S 5 -- "User Interface" for C-Kermit, part 5 */
/*
Authors:
Frank da Cruz <[email protected]>,
The Kermit Project, New York City
Jeffrey E Altman <[email protected]>
Secure Endpoints Inc., New York City
Last update: Oct 10-11 2022 (fdc and sms)
Copyright (C) 1985, 2022,
Trustees of Columbia University in the City of New York.
All rights reserved. See the C-Kermit COPYING.TXT file or the
copyright text in the ckcmai.c module for disclaimer and permissions.
*/
/* Includes */
#include "ckcdeb.h"
#include "ckcasc.h"
#include "ckcker.h"
#include "ckuusr.h"
#ifdef DCMDBUF
char *line; /* Character buffer for anything */
char *tmpbuf;
#else
char line[LINBUFSIZ+1];
char tmpbuf[TMPBUFSIZ+1]; /* Temporary buffer */
#endif /* DCMDBUF */
char lasttakeline[TMPBUFSIZ+1]; /* Last TAKE-file line */
#ifndef NOICP
#include "ckcnet.h"
#ifndef NOCSETS
#include "ckcxla.h"
#endif /* NOCSETS */
#ifdef MAC
#include "ckmasm.h"
#endif /* MAC */
#ifdef CK_SSL
#include "ck_ssl.h"
#endif /* CK_SSL */
extern char * ck_cryear; /* (ckcmai.c) Latest C-Kermit copyright year */
#ifdef OS2
#include "ckoetc.h"
#ifndef NT
#define INCL_NOPM
#define INCL_VIO /* Needed for ckocon.h */
#include <os2.h>
#undef COMMENT
#else /* NT */
#include <windows.h>
#ifndef NODIAL
#define TAPI_CURRENT_VERSION 0x00010004
#include <tapi.h>
#include <mcx.h>
#include "ckntap.h"
#endif /* NODIAL */
#define APIRET ULONG
extern int DialerHandle;
extern int StartedFromDialer;
#endif /* NT */
#include "ckocon.h"
#include "ckokey.h"
#ifdef KUI
#include "ikui.h"
#endif /* KUI */
#ifdef putchar
#undef putchar
#endif /* putchar */
#define putchar(x) conoc(x)
extern int cursor_save ;
extern bool cursorena[] ;
#endif /* OS2 */
/* 2010-03-09 SMS. VAX C V3.1-051 needs <stat.h> for off_t. */
#ifdef VMS
#include <stat.h>
#endif /* def VMS */
/* For formatted screens, "more?" prompting, etc. */
#ifdef FT18
#define isxdigit(c) isdigit(c)
#endif /* FT18 */
#ifdef STRATUS /* Stratus Computer, Inc. VOS */
#ifdef putchar
#undef putchar
#endif /* putchar */
#define putchar(x) conoc(x)
#ifdef getchar
#undef getchar
#endif /* getchar */
#define getchar(x) coninc(0)
#endif /* STRATUS */
/* External variables */
extern int carrier, cdtimo, local, quiet, backgrd, bgset, sosi, xsuspend,
binary, escape, xargs, flow, cmdmsk, duplex, ckxech, seslog, what,
inserver, diractive, tlevel, cwdf, nfuncs, msgflg, remappd, hints, mdmtyp,
zincnt, cmask, rcflag, success, xitsta, pflag, tnlm, tn_nlm, xitwarn,
debses, xaskmore, parity, saveask, wasclosed, whyclosed, cdactive,
rcdactive, keepallchars, cmd_err;
#ifdef LOCUS
extern int locus, autolocus;
#endif /* LOCUS */
#ifndef NOMSEND
extern int addlist;
#endif /* NOMSEND */
#ifdef CK_SPEED
extern int prefixing;
#endif /* CK_SPEED */
extern int g_matchdot;
#ifdef RECURSIVE
extern int recursive;
#endif /* RECURSIVE */
extern int xfiletype;
#ifdef IKSDCONF
extern char * iksdconf;
extern int iksdcf;
#endif /* IKSDCONF */
#ifdef CK_RECALL
extern int on_recall;
#endif /* CK_RECALL */
extern int ngetpath, exitonclose;
extern char * getpath[];
extern CHAR * epktmsg;
extern char * snd_move;
extern char * snd_rename;
extern char * rcv_move;
extern char * rcv_rename;
extern char * g_snd_move;
extern char * g_snd_rename;
extern char * g_rcv_move;
extern char * g_rcv_rename;
extern char * nm[];
#ifdef CK_UTSNAME
extern char unm_mch[];
extern char unm_mod[];
extern char unm_nam[];
extern char unm_rel[];
extern char unm_ver[];
#endif /* CK_UTSNAME */
#ifndef NOPUSH
#ifndef NOFRILLS
extern char editor[];
extern char editfile[];
extern char editopts[];
#ifdef BROWSER
extern char browser[];
extern char browsopts[];
extern char browsurl[];
#endif /* BROWSER */
#endif /* NOFRILLS */
#endif /* NOPUSH */
#ifndef NOFRILLS
#ifndef NORENAME
_PROTOTYP(VOID shorename, (void));
#endif /* NORENAME */
#endif /* NOFRILLS */
#ifndef NOSERVER
extern char * x_user, * x_passwd, * x_acct;
#endif /* NOSERVER */
#ifdef CKLOGDIAL
extern int dialog;
extern char diafil[];
#endif /* CKLOGDIAL */
#ifdef CKROOT
extern int ckrooterr;
#endif /* CKROOT */
#ifndef NOSPL
extern int cfilef, xxdot, vareval;
extern char cmdfil[];
struct localvar * localhead[CMDSTKL];
struct localvar * localtail = NULL;
struct localvar * localnext = NULL;
_PROTOTYP( VOID shosexp, (void) );
_PROTOTYP( static VOID shoinput, (void) );
_PROTOTYP( static char gettok, (void) );
_PROTOTYP( static VOID factor, (void) );
_PROTOTYP( static VOID term, (void) );
_PROTOTYP( static VOID termp, (void) );
_PROTOTYP( static VOID exprp, (void) );
_PROTOTYP( static VOID expr, (void) );
_PROTOTYP( static VOID simple, (void) );
_PROTOTYP( static VOID simpler, (void) );
_PROTOTYP( static VOID simplest, (void) );
_PROTOTYP( static CK_OFF_T xparse, (void) );
#endif /* NOSPL */
#ifndef NOSHOW
_PROTOTYP( int sho_iks, (void) );
#endif /* NOSHOW */
#ifdef MAC
char * ckprompt = "Mac-Kermit>"; /* Default prompt for Macintosh */
char * ikprompt = "IKSD>";
#else /* Not MAC */
#ifdef NOSPL
#ifdef OS2
char * ckprompt = "K-95> "; /* Default prompt for Win32 */
char * ikprompt = "IKSD> ";
#else
char * ckprompt = "C-Kermit>";
char * ikprompt = "IKSD>";
#endif /* NT */
#else /* NOSPL */
#ifdef OS2
/* Default prompt for OS/2 and Win32 */
/* fdc 2013-12-06 - C-Kermit 9.0 and later is just "C-Kermit" */
#ifdef NT
#ifdef COMMENT
char * ckprompt = "[\\freplace(\\flongpath(\\v(dir)),/,\\\\)] K-95> ";
#else
char * ckprompt = "[\\freplace(\\flongpath(\\v(dir)),/,\\\\)] CKW> ";
#endif /* COMMENT */
char * ikprompt = "[\\freplace(\\flongpath(\\v(dir)),/,\\\\)] IKSD> ";
#else /* NT */
#ifdef COMMENT
char * ckprompt = "[\\freplace(\\v(dir),/,\\\\)] K-95> ";
#else
char * ckprompt = "[\\freplace(\\v(dir),/,\\\\)] C-Kermit> ";
#endif /* COMMENT */
char * ikprompt = "[\\freplace(\\v(dir),/,\\\\)] IKSD> ";
#endif /* NT */
#else /* OS2 */
#ifdef VMS
char * ckprompt = "\\v(dir) C-Kermit>"; /* Default prompt VMS */
char * ikprompt = "\\v(dir) IKSD>";
#else
#ifdef UNIX
/* Note: parens, not brackets, because of ISO646 */
/* Collapse long paths using ~ notation if in home directory tree */
char * ckprompt = "(\\freplace(\\v(dir),\\fpathname(\\v(home)),~/)) C-Kermit>";
char * ikprompt = "(\\freplace(\\v(dir),\\fpathname(\\v(home)),~/)) IKSD>";
#else
/* Default prompt for other platforms */
char * ckprompt = "(\\v(dir)) C-Kermit>"; /* Default prompt for others */
char * ikprompt = "(\\v(dir)) IKSD>";
#endif /* UNIX */
#endif /* VMS */
#endif /* NT */
#endif /* NOSPL */
#endif /* MAC */
#ifndef CCHMAXPATH
#define CCHMAXPATH 257
#endif /* CCHMAXPATH */
char inidir[CCHMAXPATH] = { NUL, NUL }; /* Directory INI file executed from */
#ifdef TNCODE
extern int tn_b_nlm; /* TELNET BINARY newline mode */
#endif /* TNCODE */
#ifndef NOKVERBS
extern struct keytab kverbs[]; /* Table of \Kverbs */
extern int nkverbs; /* Number of \Kverbs */
#endif /* NOKVERBS */
#ifndef NOPUSH
extern int nopush;
#endif /* NOPUSH */
#ifdef CK_RECALL
extern int cm_recall;
#endif /* CK_RECALL */
extern char *ccntab[];
/* Printer stuff */
extern char *printername;
extern int printpipe;
#ifdef BPRINT
extern int printbidi, pportparity, pportflow;
extern long pportspeed;
#endif /* BPRINT */
#ifdef OS2
_PROTOTYP (int os2getcp, (void) );
_PROTOTYP (int os2getcplist, (int *, int) );
#ifdef OS2MOUSE
extern int tt_mouse;
#endif /* OS2MOUSE */
extern int tt_update, tt_updmode, updmode, tt_utf8;
#ifndef IKSDONLY
extern int tt_status[];
#endif /* IKSDONLY */
#ifdef PCFONTS
extern struct keytab term_font[];
#else
#ifdef KUI
extern struct keytab * term_font;
#endif /* KUI */
#endif /* PCFONTS */
extern int ntermfont, tt_font, tt_font_size;
extern unsigned char colornormal, colorunderline, colorstatus,
colorhelp, colorselect, colorborder, colorgraphic, colordebug,
colorreverse, colorcmd, coloritalic;
extern int priority;
extern struct keytab prtytab[];
extern int nprty;
char * cmdmac = NULL;
#endif /* OS2 */
#ifdef VMS
_PROTOTYP (int zkermini, (char *, int, char *) );
#endif /* VMS */
extern long vernum;
extern int inecho, insilence, inbufsize, nvars, inintr;
extern char *protv, *fnsv, *cmdv, *userv, *ckxv, *ckzv, *ckzsys, *xlav,
*cknetv, *clcmds;
#ifdef OS2
extern char *ckyv;
#endif /* OS2 */
#ifdef CK_AUTHENTICATION
extern char * ckathv;
#endif /* CK_AUTHENTICATION */
#ifdef CK_SSL
extern char * cksslv;
#endif /* CK_SSL */
#ifdef CK_ENCRYPTION
#ifndef CRYPT_DLL
extern char * ckcrpv;
#endif /* CRYPT_DLL */
#endif /* CK_ENCRYPTION */
#ifdef SSHBUILTIN
extern char *cksshv;
#ifdef SFTP_BUILTIN
extern char *cksftpv;
#endif /* SFTP_BUILTIN */
#endif /* SSHBUILTIN */
#ifdef TNCODE
extern char *cktelv;
#endif /* TNCODE */
#ifndef NOFTP
#ifndef SYSFTP
extern char * ckftpv;
#endif /* SYSFTP */
#endif /* NOFTP */
extern int srvidl;
#ifdef OS2
extern char *ckonetv;
extern int interm;
#ifdef CK_NETBIOS
extern char *ckonbiv;
#endif /* CK_NETBIOS */
#ifdef OS2MOUSE
extern char *ckomouv;
#endif /* OS2MOUSE */
#endif /* OS2 */
#ifndef NOLOCAL
extern char *connv;
#endif /* NOLOCAL */
#ifndef NODIAL
extern char *dialv;
#endif /* NODIAL */
#ifndef NOSCRIPT
extern char *loginv;
extern int secho;
#endif /* NOSCRIPT */
#ifndef NODIAL
extern int nmdm, dirline;
extern struct keytab mdmtab[];
#endif /* NODIAL */
extern int network, nettype, ttnproto;
#ifdef OS2
#ifndef NOTERM
/* SET TERMINAL items... */
extern int tt_type, tt_arrow, tt_keypad, tt_wrap, tt_answer, tt_scrsize[];
extern int tt_bell, tt_roll[], tt_ctstmo, tt_cursor, tt_pacing, tt_type_mode;
extern char answerback[];
extern struct tt_info_rec tt_info[]; /* Indexed by terminal type */
extern int max_tt;
#endif /* NOTERM */
#endif /* OS2 */
_PROTOTYP( VOID shotrm, (void) );
_PROTOTYP( int shofea, (void) );
#ifdef OS2
extern int tt_rows[], tt_cols[];
#else /* OS2 */
extern int tt_rows, tt_cols;
#endif /* OS2 */
extern int cmd_rows, cmd_cols;
#ifdef CK_TMPDIR
extern int f_tmpdir; /* Directory changed temporarily */
extern char savdir[]; /* Temporary directory */
#endif /* CK_TMPDIR */
#ifndef NOLOCAL
extern int tt_crd, tt_lfd, tt_escape;
#endif /* NOLOCAL */
#ifndef NOCSETS
extern int language, nfilc, tcsr, tcsl, tcs_transp, fcharset;
extern struct keytab fcstab[];
extern struct csinfo fcsinfo[];
#ifndef MAC
extern struct keytab ttcstab[];
#endif /* MAC */
#endif /* NOCSETS */
extern long speed;
#ifndef NOXMIT
extern int xmitf, xmitl, xmitp, xmitx, xmits, xmitw, xmitt;
extern char xmitbuf[];
#endif /* NOXMIT */
extern char **xargv, *versio, *ckxsys, *dftty, *lp;
#ifdef DCMDBUF
extern char *cmdbuf, *atmbuf; /* Command buffers */
#ifndef NOSPL
extern char *savbuf; /* Command buffers */
#endif /* NOSPL */
#else
extern char cmdbuf[], atmbuf[]; /* Command buffers */
#ifndef NOSPL
extern char savbuf[]; /* Command buffers */
#endif /* NOSPL */
#endif /* DCMDBUF */
extern char toktab[], ttname[], psave[];
extern CHAR sstate, feol;
extern int cmflgs, techo, repars, ncmd;
extern struct keytab cmdtab[];
#ifndef NOSETKEY
KEY *keymap;
#ifndef OS2
#define mapkey(x) keymap[x]
#endif /* OS2 */
MACRO *macrotab;
_PROTOTYP( VOID shostrdef, (CHAR *) );
#endif /* NOSETKEY */
extern int cmdlvl;
#ifndef NOSPL
extern struct mtab *mactab;
extern struct keytab mackey[];
extern struct keytab vartab[], fnctab[], iftab[];
extern int maclvl, nmac, mecho, fndiags, fnerror, fnsuccess, nif;
#endif /* NOSPL */
FILE *tfile[MAXTAKE]; /* TAKE file stack */
char *tfnam[MAXTAKE]; /* Name of TAKE file */
int tfline[MAXTAKE]; /* Current line number */
int tfblockstart[MAXTAKE]; /* Current block-start line */
int topcmd = -1; /* cmdtab index of current command */
int havetoken = 0;
extern int dblquo; /* Doublequoting enabled */
#ifdef DCMDBUF /* Initialization filespec */
char *kermrc = NULL;
#else
char kermrcb[KERMRCL];
char *kermrc = kermrcb;
#endif /* DCMDBUF */
int noherald = 0; /* Whether to print the program herald on startup */
int cm_retry = 1; /* Command retry enabled */
xx_strp xxstring = zzstring;
#ifndef NOXFER
extern int displa, bye_active, protocol, pktlog, remfile, rempipe, unkcs,
keep, lf_opts, fncnv, pktpaus, autodl, xfrcan, xfrchr, xfrnum, srvtim,
srvdis, query, retrans, streamed, reliable, crunched, timeouts,
fnrpath, autopath, rpackets, spackets, epktrcvd, srvping;
#ifdef CK_AUTODL
extern int inautodl, cmdadl;
#endif /* CK_AUTODL */
#ifndef NOSERVER
extern int en_asg, en_cwd, en_cpy, en_del, en_dir, en_fin, en_bye, en_ret,
en_get, en_hos, en_que, en_ren, en_sen, en_set, en_spa, en_typ, en_who,
en_mai, en_pri, en_mkd, en_rmd, en_xit, en_ena;
#endif /* NOSERVER */
extern int atcapr,
atenci, atenco, atdati, atdato, atleni, atleno, atblki, atblko,
attypi, attypo, atsidi, atsido, atsysi, atsyso, atdisi, atdiso;
#ifdef STRATUS
extern int atfrmi, atfrmo, atcrei, atcreo, atacti, atacto;
#endif /* STRATUS */
#ifdef CK_PERMS
extern int atlpri, atlpro, atgpri, atgpro;
#endif /* CK_PERMS */
#ifdef CK_LOGIN
extern char * anonfile; /* Anonymous login init file */
extern char * anonroot; /* Anonymous file-system root */
extern char * userfile; /* Forbidden user file */
extern int isguest; /* Flag for anonymous user */
#endif /* CK_LOGIN */
#endif /* NOXFER */
#ifdef DCMDBUF
int *xquiet = NULL;
int *xvarev = NULL;
#else
int xquiet[CMDSTKL];
int xvarev[CMDSTKL];
#endif /* DCMDBUF */
char * prstring[CMDSTKL];
#ifndef NOSPL
extern long ck_alarm;
extern char alrm_date[], alrm_time[];
/* Local declarations */
static int nulcmd = 0; /* Flag for next cmd to be ignored */
/* Definitions for predefined macros */
/* First, the single-line macros, installed with addmac()... */
/* IBM-LINEMODE macro */
char *m_ibm = "set parity mark, set dupl half, set handsh xon, set flow none";
/* FATAL macro */
char *m_fat = "if def \\%1 echo \\%1, if not = \\v(local) 0 hangup, stop 1";
#ifdef CK_SPEED
#ifdef IRIX65
char *m_fast = "set win 30, set rec pack 4000, set prefix cautious";
#else
#ifdef IRIX
/* Because of bug in telnet server */
char *m_fast = "set window 30, set rec pack 4000, set send pack 4000,\
set pref cautious";
#else
#ifdef pdp11
char *m_fast = "set win 3, set rec pack 1024, set prefix cautious";
#else
#ifdef BIGBUFOK
char *m_fast = "set win 30, set rec pack 4000, set prefix cautious";
#else
char *m_fast = "set win 4, set rec pack 2200, set prefix cautious";
#endif /* BIGBUFOK */
#endif /* IRIX */
#endif /* IRIX65 */
#endif /* pdp11 */
#ifdef pdp11
char *m_cautious = "set win 2, set rec pack 512, set prefixing cautious";
#else
char *m_cautious = "set win 4, set rec pack 1000, set prefixing cautious";
#endif /* pdp11 */
char *m_robust = "set win 1, set rec pack 90, set prefixing all, \
set reliable off, set clearchannel off, set send timeout 20 fixed";
#else
#ifdef BIGBUFOK
#ifdef IRIX65
char *m_fast = "set win 30, set rec pack 4000";
#else
#ifdef IRIX
char *m_fast = "set win 30, set rec pack 4000, set send pack 4000";
#else
char *m_fast = "set win 30, set rec pack 4000";
#endif /* IRIX */
#endif /* IRIX65 */
#else /* Not BIGBUFOK */
char *m_fast = "set win 4, set rec pack 2200";
#endif /* BIGBUFOK */
char *m_cautious = "set win 4, set rec pack 1000";
char *m_robust = "set win 1, set rec pack 90, set reliable off,\
set send timeout 20 fixed";
#endif /* CK_SPEED */
#ifdef VMS
char *m_purge = "run purge \\%*";
#endif /* VMS */
#ifdef OS2
char *m_manual = "browse \\v(exedir)docs/manual/kermit95.htm";
#endif /* OS2 */
/* Now the multiline macros, defined with addmmac()... */
/*
Kermit's scripting language is so much more powerful than C that it was
about a thousand time easier to implement FOR, WHILE, IF, and SWITCH
commands as internal Kermit macros. This was done in 1996 for C-Kermit 6.0.
The following definitions, down to #ifdef COMMENT, are from C-Kermit
9.0.304 Dev.22, April 2017, where the command parser was changed to not
evaluate macro arguments on the DO command line, but to defer evaluation
until after the arguments had been separated and counted. This change
required subtle modifications to the internal macro templates.
IMPORTANT: Internal macros must have names that start with '_', followed
by three letters, e.g. _whi for WHILE. The definitions below are just
templates for some other code that constructs the actual menu to be
executed by filling in the \%x variables. The generated macros have names
like _whil2, _whil3, etc, where the trailing number is the execution stack
level. The reason for the strict naming convention is so internal macros
can be parsed differently than regular ones. See
ckuusr.c:isinternalmacro(), which determines the type of macro.
*/
/*
The WHILE macro:
\%1 = Loop condition
\%2 = Loop body
*/
char *whil_def[] = { "_assign _whi\\v(cmdlevel) {_getargs,",
":_..inc,\\fcontents(\\%1),\\fcontents(\\%2),goto _..inc,:_..bot,_putargs},",
"_define break goto _..bot, _define continue goto _..inc,",
"do _whi\\v(cmdlevel),_assign _whi\\v(cmdlevel)",
""};
/*
FOR macro for \%i-style loop variables (see dofor()...)
\%1 = Loop variable
\%2 = Initial value (can be an expression)
\%3 = Loop exit value
\%4 = Loop increment
\%5 = > or <
\%6 = Loop body
*/
char *for_def[] = { "_assign _for\\v(cmdlevel) { _getargs,",
"define \\\\\\%1 \\feval(\\%2),:_..top,if \\%5 \\\\\\%1 \\%3 goto _..bot,",
"\\fcontents(\\%6),:_..inc,incr \\\\\\%1 \\%4,goto _..top,:_..bot,_putargs},",
"define break goto _..bot, define continue goto _..inc,",
"do _for\\v(cmdlevel) \\\\%1 \\%2 \\%3 \\%4 { \\%5 },_assign _for\\v(cmdlevel)",
""};
/*
FOR macro when the loop variable is itself a macro, with same arguments
but slightly different quoting.
*/
char *foz_def[] = { "_assign _for\\v(cmdlevel) { _getargs,",
"def \\%1 \\feval(\\%2),:_..top,if \\%5 \\%1 \\%3 goto _..bot,",
"\\fcontents(\\%6),:_..inc,incr \\%1 \\%4,goto _..top,:_..bot,_putargs},",
"def break goto _..bot, def continue goto _..inc,",
"do _for\\v(cmdlevel) \\%1 \\%2 \\%3 \\%4 { \\%5 },_assign _for\\v(cmdlevel)",
""};
/*
SWITCH macro
\%1 = Switch variable
\%2 = Switch body
*/
char *sw_def[] = { "_assign _sw_\\v(cmdlevel) {_getargs,",
"_forward {\\fcontents(\\%1)},\\fcontents(\\%2),:default,:_..bot,_putargs},_def break goto _..bot,",
"do _sw_\\v(cmdlevel),_assign _sw_\\v(cmdlevel)",
""};
/*
IF macro
/%1 = Commands to execute (IF part and ELSE part if any)
*/
char *xif_def[] = {
"_assign _if_\\v(cmdlevel) {_getargs,\\fcontents(\\%1),_putargs},",
"do _if_\\v(cmdlevel),_assign _if\\v(cmdlevel)",
""};
#ifdef COMMENT
/* Internal macro definitions for C-Kermit 6.0 through 9.0.302 */
char *for_def[] = { "_assign _for\\v(cmdlevel) { _getargs,",
"def \\\\\\%1 \\feval(\\%2),:_..top,if \\%5 \\\\\\%1 \\%3 goto _..bot,",
"\\%6,:_..inc,incr \\\\\\%1 \\%4,goto _..top,:_..bot,_putargs},",
"def break goto _..bot, def continue goto _..inc,",
"do _for\\v(cmdlevel) \\%1 \\%2 \\%3 \\%4 { \\%5 },_assign _for\\v(cmdlevel)",
""};
char *foz_def[] = { "_assign _for\\v(cmdlevel) { _getargs,",
"def \\%1 \\feval(\\%2),:_..top,if \\%5 \\%1 \\%3 goto _..bot,",
"\\%6,:_..inc,incr \\%1 \\%4,goto _..top,:_..bot,_putargs},",
"def break goto _..bot, def continue goto _..inc,",
"do _for\\v(cmdlevel) \\%1 \\%2 \\%3 \\%4 { \\%5 },_assign _for\\v(cmdlevel)",
""};
/* SWITCH macro */
char *sw_def[] = { "_assign _sw_\\v(cmdlevel) {_getargs,",
"_forward {\\%1},\\%2,:default,:_..bot,_putargs},_def break goto _..bot,",
"do _sw_\\v(cmdlevel),_assign _sw_\\v(cmdlevel)",
""};
/* XIF macro */
char *xif_def[] = {
"_assign _if\\v(cmdlevel) {_getargs,\\%1,_putargs},",
"do _if\\v(cmdlevel),_assign _if\\v(cmdlevel)",
""};
#endif /* COMMENT */
/*
Variables declared here for use by other ckuus*.c modules.
Space is allocated here to save room in ckuusr.c.
*/
#ifdef DCMDBUF
struct cmdptr *cmdstk;
int
*ifcmd = NULL,
*count = NULL,
*iftest = NULL,
*intime = NULL,
*inpcas = NULL,
*takerr = NULL,
*merror = NULL;
#else
struct cmdptr cmdstk[CMDSTKL];
int ifcmd[CMDSTKL], count[CMDSTKL], iftest[CMDSTKL], intime[CMDSTKL],
inpcas[CMDSTKL], takerr[CMDSTKL], merror[CMDSTKL];
#endif /* DCMDBUF */
/* Macro stack */
#ifdef COMMENT
char *topline = NULL; /* Program invocation arg line */
char *m_line[MACLEVEL] = { NULL, NULL }; /* Stack of macro invocation lines */
#endif /* COMMENT */
char **m_xarg[MACLEVEL]; /* Pointers to arg vector arrays */
int n_xarg[MACLEVEL]; /* Sizes of arg vector arrays */
char *m_arg[MACLEVEL][NARGS]; /* Args of each level */
int macargc[MACLEVEL]; /* Argc of each level */
char *macp[MACLEVEL]; /* Current position in each macro */
char *macx[MACLEVEL]; /* Beginning of each macro def */
char *mrval[MACLEVEL]; /* RETURN value at each level */
int lastcmd[MACLEVEL]; /* Last command at each level */
int topargc = 0; /* Argc at top level */
char **topxarg = NULL; /* Argv at top level */
char *toparg[MAXARGLIST+2];
/* Global Variables */
char *g_var[GVARS+1]; /* Global \%a..z pointers */
extern char varnam[]; /* \%x variable name buffer */
/* Arrays -- Dimension must be 'z' - ARRAYBASE + 1 */
/* Note: a_link[x] < 0 means no link; >= 0 is a link */
char **a_ptr[32]; /* Array pointers, for arrays a-z */
int a_dim[32]; /* Dimensions for each array */
int a_link[32]; /* Link (index of linked-to-array) */
char **aa_ptr[CMDSTKL][32]; /* Array stack for automatic arrays */
int aa_dim[CMDSTKL][32]; /* Dimensions for each array */
/* INPUT command buffers and variables */
char * inpbuf = NULL; /* Buffer for INPUT and REINPUT */
extern char * inpbp; /* Global/static pointer to it */
char inchar[2] = { NUL, NUL }; /* Last character that was INPUT */
int incount = 0; /* INPUT character count */
extern int instatus; /* INPUT status */
static char * i_text[] = { /* INPUT status text */
"success", "timeout", "interrupted", "internal error", "i/o error"
};
char lblbuf[LBLSIZ]; /* Buffer for labels */
#else /* NOSPL */
int takerr[MAXTAKE];
#endif /* NOSPL */
static char *prevdir = NULL;
int pacing = 0; /* OUTPUT pacing */
char *tp; /* Temporary buffer pointer */
int timelimit = 0, asktimer = 0; /* Timers for time-limited commands */
#ifdef CK_APC /* Application Program Command (APC) */
int apcactive = APC_INACTIVE;
int apcstatus = APC_OFF; /* OFF by default everywhere */
#ifdef DCMDBUF
char *apcbuf;
#else
char apcbuf[APCBUFLEN];
#endif /* DCMDBUF */
#endif /* CK_APC */
extern char pktfil[],
#ifdef DEBUG
debfil[],
#endif /* DEBUG */
#ifdef TLOG
trafil[],
#endif /* TLOG */
sesfil[];
#ifndef NOFRILLS
extern int rmailf, rprintf; /* REMOTE MAIL & PRINT items */
extern char optbuf[];
#endif /* NOFRILLS */
extern int noinit; /* Flat to skip init file */
#ifndef NOSPL
static struct keytab kcdtab[] = { /* Symbolic directory names */
#ifdef NT
{ "appdata", VN_APPDATA, 0 },
{ "common", VN_COMMON, 0 },
{ "desktop", VN_DESKTOP, 0 },
#endif /* NT */
{ "download", VN_DLDIR, 0 },
#ifdef OS2ORUNIX
{ "exedir", VN_EXEDIR, 0 },
#endif /* OS2ORUNIX */
{ "home", VN_HOME, 0 },
{ "inidir", VN_INI, 0 },
#ifdef UNIX
{ "lockdir", VN_LCKDIR, 0 },
#endif /* UNIX */
#ifdef NT
{ "my_documents",VN_PERSONAL, 0 },
{ "personal", VN_PERSONAL, CM_INV },
#endif /* NT */
{ "startup", VN_STAR, 0 },
{ "textdir", VN_TXTDIR, 0 },
{ "tmpdir", VN_TEMP, 0 }
};
static int nkcdtab = (sizeof(kcdtab) / sizeof(struct keytab));
#endif /* NOSPL */
#ifndef NOSPL
_PROTOTYP( VOID freelocal, (int) );
_PROTOTYP( static CK_OFF_T expon, (CK_OFF_T, CK_OFF_T) );
_PROTOTYP( static CK_OFF_T gcd, (CK_OFF_T, CK_OFF_T) );
_PROTOTYP( static CK_OFF_T fact, (CK_OFF_T) );
int /* Initialize macro data structures. */
macini() { /* Allocate mactab and preset the first element. */
int i;
if (!(mactab = (struct mtab *) malloc(sizeof(struct mtab) * MAC_MAX)))
return(-1);
mactab[0].kwd = NULL;
mactab[0].mval = NULL;
mactab[0].flgs = 0;
for (i = 0; i < MACLEVEL; i++)
localhead[i] = NULL;
return(0);
}
#endif /* NOSPL */
/* C M D S R C -- Returns current command source */
/* 0 = top level, 1 = file, 2 = macro, -1 = error (shouldn't happen) */
/*
As of 19 Aug 2000 this routine is obsolete. The scalar global variable
xcmdsrc can be checked instead to save the overhead of a function call.
*/
int
cmdsrc() {
#ifdef COMMENT
return(xcmdsrc);
#else
#ifndef NOSPL
if (cmdlvl == 0)
return(0);
else if (cmdstk[cmdlvl].src == CMD_MD)
return(2);
else if (cmdstk[cmdlvl].src == CMD_TF)
return(1);
else
return(-1);
#else
if (tlevel < 0)
return(0);
else
return(1);
#endif /* NOSPL */
#endif /* COMMENT */
}
/* C M D I N I -- Initialize the interactive command parser */
static int cmdinited = 0; /* Command parser initialized */
extern int cmdint; /* Interrupts are allowed */
#ifdef CK_AUTODL
int cmdadl = 1; /* Autodownload */
#else
int cmdadl = 0;
#endif /* CK_AUTODL */
char * k_info_dir = NULL; /* Where to find text files */
#ifdef UNIX
static char * txtdir[] = {
"/usr/local/doc/", /* Linux, SunOS, ... */
"/usr/share/lib/", /* HP-UX 10.xx... */
"/usr/share/doc/", /* Other possibilities... */
"/usr/local/lib/", /* NOTE: Each of these is tried */
"/usr/local/share/", /* as is, and also with a kermit */
"/usr/local/share/doc/", /* subdirectory. */
"/usr/local/share/lib/",
"/opt/kermit/", /* Solaris */
"/opt/kermit/doc/",
"/opt/",
"/usr/doc/",
"/doc/",
""
};
#endif /* UNIX */
/*
lookup() cache to speed up script execution.
This is a static cache. Items are stored in decreasing frequency of
reference based on statistics from a range of scripts. This gives
better performance than a dynamic cache, which would require a lot more
code and also would require system-dependent elements including system
calls (e.g. to get subsecond times for entry aging).
*/
#ifdef USE_LUCACHE /* Set in ckuusr.h */
#define LUCACHE 32 /* Change this to reduce cache size */
int lusize = 0;
char * lucmd[LUCACHE];
int luval[LUCACHE];
int luidx[LUCACHE];
struct keytab * lutab[LUCACHE];
#endif /* USE_LUCACHE */
static VOID
luinit() { /* Initialize lookup() cache */
int x, y;
#ifdef USE_LUCACHE
x = lookup(cmdtab,"if",ncmd,&y);
lucmd[lusize] = "if";
luval[lusize] = x;
luidx[lusize] = y;
lutab[lusize] = cmdtab;
if (++lusize > LUCACHE) return;
x = lookup(iftab,"not",nif,&y);
lucmd[lusize] = "not";
luval[lusize] = x;
luidx[lusize] = y;
lutab[lusize] = iftab;
if (++lusize > LUCACHE) return;
x = lookup(vartab,"cmdlevel",nvars,&y);
lucmd[lusize] = "cmdlevel";
luval[lusize] = x;
luidx[lusize] = y;
lutab[lusize] = vartab;
if (++lusize > LUCACHE) return;
x = lookup(cmdtab,"goto",ncmd,&y);
lucmd[lusize] = "goto";
luval[lusize] = x;