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MBCMD.C
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1989-02-05
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8KB
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330 lines
/*
* MBCMD.C - 1/31/88 - Command parser and dispatch.
*/
#include "mb.h"
docmd()
{
typedef struct
{
char n1, n2; /* The two command letters */
byte args; /* Number of arguments required */
word mode; /* Bitmask of allowed port modes */
int (*fp)(); /* Pointer to function return int */
} CMDDEF;
register CMDDEF *cp;
register int status;
/*
* The functions that do the commands.
*/
extern int lock();
extern int all_fwd();
extern int klmsg();
extern int lstmsg();
extern int rdmsg();
extern int sndmlt();
extern int sndmsg();
extern int fwdcmd();
extern int done();
extern int help();
extern int klmsgm();
extern int mkrem();
extern int mksys();
extern int makmlt();
extern int makmsg();
extern int dupmsg();
extern int filmsg();
extern int setunt();
extern int edmsg();
extern int edtfc();
extern int copfil();
extern int renfil();
extern int kilfil();
extern int uloadl();
extern int uloadr();
extern int dloads();
extern int dloadi();
extern int dloadl();
extern int dloadr();
extern int bye();
extern int lterm();
extern int settime();
extern int chguser();
extern int chgparam();
extern int utalk();
extern int rdmsgm();
extern int duser();
extern int dwuser();
extern int edport();
extern int eduser();
extern int edusera();
extern int puser();
extern int sfwd();
extern int newfwd();
extern int prthrd();
extern int connuser();
extern int ctncv();
extern int mtncv();
extern int utncv();
extern int prtdir();
extern int prtver();
#if nncmd
extern int donet();
#endif
extern int dosys();
/*
* Command char 1, char 2, # args, modes allowed, function
*/
static CMDDEF cmds[] =
{
'!', ' ', 2, local, dosys,
'!', ' ', 3, local, dosys,
'!', ' ', 4, local, dosys,
'!', ' ', 5, local, dosys,
'@', ' ', 1, remote, mksys,
'@', ' ', 1, sysop, mkrem,
'?', ' ', 1, all, help,
'?', ' ', 2, all, help,
'A', ' ', 1, ops, all_fwd,
'A', 'I', 1, ops, all_fwd,
'A', 'H', 1, ops, lock,
'B', ' ', 1, all, bye,
'C', ' ', 3, ops, settime,
'C', ' ', 2, all, connuser,
'C', 'M', 3, ops, dupmsg,
'C', 'M', 5, ops, dupmsg,
'C', 'M', 7, ops, dupmsg,
'C', '*', 1, remote, utncv,
'C', '*', 2, remote, ctncv,
'C', '*', 4, remote, ctncv,
'D', 'L', 1, ops, duser,
'D', 'L', 2, ops, duser,
'D', 'M', 1, ops, duser,
'D', 'M', 2, ops, duser,
'D', 'S', 1, ops, duser,
'D', 'S', 2, ops, duser,
'D', 'U', 1, ops, duser,
'D', 'U', 2, ops, duser,
'D', 'W', 1, ops, dwuser,
'D', 'W', 2, ops, dwuser,
'D', 'X', 1, ops, duser,
'D', 'X', 2, ops, duser,
'D', '*', 2, local, dloadl,
'D', '*', 2, remote, dloadr,
'D', '*', 2, sysop, dloads,
'E', ' ', 2, ops, edmsg,
'E', 'P', 2, ops, edport,
'E', 'S', 1, ops, chgparam,
'E', 'T', 2, all, edtfc,
'E', 'U', 1, ops, edusera,
'E', 'U', 2, ops, eduser,
'F', '>', 1, remote, fwdcmd,
'F', '*', 3, ops, filmsg,
'F', '*', 4, ops, filmsg,
'G', 'M', 1, ops, setunt,
'G', 'R', 1, ops, setunt,
'G', 'R', 2, ops, setunt,
'G', 'U', 1, ops, setunt,
'H', ' ', 1, all, help,
'H', ' ', 2, all, help,
'I', ' ', 1, all, dloadi,
'J', '*', 1, all, prthrd,
'K', ' ', 2, all, klmsg,
'K', 'F', 1, ops, klmsgm,
'K', 'F', 2, ops, klmsgm,
'K', 'M', 1, all, klmsgm,
'K', 'O', 1, ops, klmsgm,
'K', 'O', 2, ops, klmsgm,
'K', 'T', 2, all, klmsg,
'K', 'Y', 1, ops, klmsgm,
'K', 'Y', 2, ops, klmsgm,
'L', '*', 1, all, lstmsg,
'L', '*', 2, all, lstmsg,
'L', '*', 3, all, lstmsg,
'M', 'M', 3, ops, makmlt,
'M', 'M', 4, ops, makmlt,
'M', '*', 3, ops, makmsg,
'M', '*', 4, ops, makmsg,
'M', '*', 5, ops, makmsg,
'M', '*', 6, ops, makmsg,
'M', '*', 7, ops, makmsg,
'M', '*', 8, ops, makmsg,
'M', '*', 1, remote, mtncv,
'N', ' ', 2, all, chguser,
'N', ' ', 3, ops, renfil,
'N', 'E', 1, all, chguser,
'N', 'H', 2, all, chguser,
#if nncmd
'N', 'N', 5, ops, donet,
#endif
'N', 'Z', 2, all, chguser,
'P', ' ', 2, all, puser,
'Q', ' ', 1, local, done,
'R', ' ', 2, all, rdmsg,
'R', 'H', 2, all, rdmsg,
'R', 'M', 1, all, rdmsgm,
'S', 'M', 2, ops, sndmlt,
'S', 'M', 3, ops, sndmlt,
'S', '*', 2, all, sndmsg,
'S', '*', 3, all, sndmsg,
'S', '*', 4, all, sndmsg,
'S', '*', 5, all, sndmsg,
'S', '*', 6, all, sndmsg,
'S', '*', 7, all, sndmsg,
'T', ' ', 1, remote, utalk,
'T', '*', 1, local, lterm,
'T', '*', 2, local, lterm,
'U', '*', 2, ops, uloadl,
'U', '*', 2, remote, uloadr,
'V', ' ', 1, all, prtver,
'V', ' ', 3, ops, copfil,
'W', '*', 1, all, prtdir,
'W', '*', 2, all, prtdir,
'X', ' ', 1, ops, sfwd,
'X', ' ', 2, ops, sfwd,
'X', 'I', 1, ops, sfwd,
'X', 'I', 2, ops, sfwd,
'Y', 'F', 1, ops, newfwd,
'Y', 'F', 2, ops, newfwd,
'Z', '*', 2, ops, kilfil,
'\0', ' ', 0, 0, 0, 0
};
port->cmdcnt++;
if (strlen(port->fld[0]) < 3)
for (cp = cmds; cp->n1; cp++)
if (port->mode & cp->mode)
if (port->opt1 is cp->n1)
if ((port->opt2 is cp->n2) or (cp->n2 is '*'))
if (port->flds is cp->args) { status = (*cp->fp)(); return; }
if ((port->opt1 is '[') and (port->cmdcnt is 1)) { isbid(); return;}
port->msg = mwhat;
port->errors++;
}
/*
* User wants to log out.
* Set the flag so they will be logged out.
*/
bye()
{
pt_flag = 0;
port->mode = logout;
}
/*
* User done being remote sysop.
* Make them normal user again.
*/
mkrem()
{
port->flags clrbit p_clrsys;
port->mode = remote;
if (!port->tmode)
{
cmdtnc();
onetnc("cr on\n");
onetnc("cp of\n");
onetnc("se $0d\n");
convtnc();
}
}
/*
* User wants to be remote sysop.
* Let them, if they are allowed to.
*/
mksys()
{
if (!(port->priv & p_sysop) or !(port->user->options & u_sysop)or!(pass()))
{ port->msg = mwhat; return; }
port->flags setbit p_clrsys;
port->mode = sysop;
if (!port->tmode)
{
cmdtnc();
onetnc("cr of\n");
onetnc("cp on\n");
onetnc("se $7f\n");
convtnc();
}
}
pass()
{
int count,psn,lpsn;
char temp[4], pword[5];
for (count = 0, lpsn = 0; count < 4; count++)
{
while ((psn=(rand()/512))== lpsn);
sprintf (temp, "%3u", psn+1);
outstr(temp);
pword[count] = *(keylst+psn);
lpsn = psn;
}
outstr("\n");
getdat();
if (matchn(port->line, pword, 4)) return true;
return false;
}
/*
* Lock up the current window for no more than 180 seconds.
*/
lock()
{
long l;
if (!(s_flag & s_dv)) return;
outstr("\nWindow locked");
while (true)
{
getcomd(); if (port->opt2 isnt 'H') break;
switchw();
}
outstr("-unLOCKED\n");
return;
}