static void checkpath(char *name)
{
/* restrict pathnames to current tree or uucppublic */
if (strstr(name, "../")) {
canit();
fprintf(stderr, "\r\nlrz:\tSecurity Violation\r\n");
bibi(-1);
}
if (name[0] == '.' || strstr(name, "/.")) {
canit();
fprintf(stderr, "\r\nlrz:\tSecurity Violation\r\n");
bibi(-1);
}
}
/*
* mode(n)
* 3: save old tty stat, set raw mode with flow control
* 2: set XON/XOFF for sb/sz with ZMODEM or YMODEM-g
* 1: save old tty stat, set raw mode
* 0: restore original tty mode
*/
int
io_mode(int fd, int n)
{
static int did0 = FALSE;
vfile("Setting iode:%d", n);
/* fprintf(stderr,"TEST BUILD: ignoring all terminal mode changes");
return 0 ;
*/
switch(n) {
#ifdef USE_TERMIOS
case 2: /* Un-raw mode used by sz, sb when -g detected */
if(!did0) {
did0 = TRUE;
tcgetattr(fd,&oldtty);
}
tty = oldtty;
tty.c_iflag = BRKINT|IXON;
tty.c_oflag = 0; /* Transparent output */
tty.c_cflag &= ~PARENB; /* Disable parity */
tty.c_cflag |= CS8; /* Set character size = 8 */
if (Twostop)
tty.c_cflag |= CSTOPB; /* Set two stop bits */
#ifdef READCHECK
tty.c_lflag = protocol==ZM_ZMODEM ? 0 : ISIG;
tty.c_cc[VINTR] = protocol==ZM_ZMODEM ? -1 : 030; /* Interrupt char */
#else
tty.c_lflag = 0;
tty.c_cc[VINTR] = protocol==ZM_ZMODEM ? 03 : 030; /* Interrupt char */
#endif
#ifdef _POSIX_VDISABLE
if (((int) _POSIX_VDISABLE)!=(-1)) {
tty.c_cc[VQUIT] = _POSIX_VDISABLE; /* Quit char */
} else {
tty.c_cc[VQUIT] = -1; /* Quit char */
}
#else
tty.c_cc[VQUIT] = -1; /* Quit char */
#endif
#ifdef NFGVMIN
tty.c_cc[VMIN] = 1;
#else
tty.c_cc[VMIN] = 3; /* This many chars satisfies reads */
#endif
tty.c_cc[VTIME] = 1; /* or in this many tenths of seconds */
tcsetattr(fd,TCSADRAIN,&tty);
return OK;
case 1:
case 3:
if(!did0) {
did0 = TRUE;
tcgetattr(fd,&oldtty);
}
tty = oldtty;
tty.c_iflag = IGNBRK;
if (n==3) /* with flow control */
tty.c_iflag |= IXOFF;
/* No echo, crlf mapping, INTR, QUIT, delays, no erase/kill */
tty.c_lflag &= ~(ECHO | ICANON | ISIG);
tty.c_oflag = 0; /* Transparent output */
tty.c_cflag &= ~(PARENB); /* Same baud rate, disable parity */
/* Set character size = 8 */
tty.c_cflag &= ~(CSIZE);
tty.c_cflag |= CS8;
if (Twostop)
tty.c_cflag |= CSTOPB; /* Set two stop bits */
#ifdef NFGVMIN
tty.c_cc[VMIN] = 1; /* This many chars satisfies reads */
#else
tty.c_cc[VMIN] = HOWMANY; /* This many chars satisfies reads */
#endif
tty.c_cc[VTIME] = 1; /* or in this many tenths of seconds */
tcsetattr(fd,TCSADRAIN,&tty);
Baudrate = getspeed(cfgetospeed(&tty));
return OK;
case 0:
if(!did0)
return ERROR;
tcdrain (fd); /* wait until everything is sent */
tcflush (fd,TCIOFLUSH); /* flush input queue */
tcsetattr (fd,TCSADRAIN,&oldtty);
tcflow (fd,TCOON); /* restart output */
return OK;
#endif
#ifdef USE_TERMIO
case 2: /* Un-raw mode used by sz, sb when -g detected */
if(!did0)
(void) ioctl(fd, TCGETA, &oldtty);
tty = oldtty;
tty.c_iflag = BRKINT|IXON;
tty.c_oflag = 0; /* Transparent output */
tty.c_cflag &= ~PARENB; /* Disable parity */
tty.c_cflag |= CS8; /* Set character size = 8 */
if (Twostop)
tty.c_cflag |= CSTOPB; /* Set two stop bits */
#ifdef READCHECK
tty.c_lflag = protocol==ZM_ZMODEM ? 0 : ISIG;
tty.c_cc[VINTR] = protocol==ZM_ZMODEM ? -1 : 030; /* Interrupt char */
#else
tty.c_lflag = 0;
tty.c_cc[VINTR] = protocol==ZM_ZMODEM ? 03 : 030; /* Interrupt char */
#endif
tty.c_cc[VQUIT] = -1; /* Quit char */
#ifdef NFGVMIN
tty.c_cc[VMIN] = 1;
#else
tty.c_cc[VMIN] = 3; /* This many chars satisfies reads */
#endif
tty.c_cc[VTIME] = 1; /* or in this many tenths of seconds */
(void) ioctl(fd, TCSETAW, &tty);
did0 = TRUE;
return OK;
case 1:
case 3:
if(!did0)
(void) ioctl(fd, TCGETA, &oldtty);
tty = oldtty;
tty.c_iflag = n==3 ? (IGNBRK|IXOFF) : IGNBRK;
/* No echo, crlf mapping, delays, no erase/kill */
tty.c_lflag &= ~(ECHO | ICANON | ISIG);
tty.c_oflag = 0; /* Transparent output */
tty.c_cflag &= ~PARENB; /* Same baud rate, disable parity */
tty.c_cflag |= CS8; /* Set character size = 8 */
if (Twostop)
tty.c_cflag |= CSTOPB; /* Set two stop bits */
#ifdef NFGVMIN
tty.c_cc[VMIN] = 1; /* This many chars satisfies reads */
#else
tty.c_cc[VMIN] = HOWMANY; /* This many chars satisfies reads */
#endif
tty.c_cc[VTIME] = 1; /* or in this many tenths of seconds */
(void) ioctl(fd, TCSETAW, &tty);
did0 = TRUE;
Baudrate = getspeed(tty.c_cflag & CBAUD);
return OK;
case 0:
if(!did0)
return ERROR;
(void) ioctl(fd, TCSBRK, 1); /* Wait for output to drain */
(void) ioctl(fd, TCFLSH, 0); /* Flush input queue */
(void) ioctl(fd, TCSETAW, &oldtty); /* Restore modes */
(void) ioctl(fd, TCXONC,1); /* Restart output */
return OK;
#endif
#ifdef USE_SGTTY
/*
* NOTE: this should transmit all 8 bits and at the same time
* respond to XOFF/XON flow control. If no FIONREAD or other
* READCHECK alternative, also must respond to INTRRUPT char
* This doesn't work with V7. It should work with LLITOUT,
* but LLITOUT was broken on the machine I tried it on.
*/
case 2: /* Un-raw mode used by sz, sb when -g detected */
if(!did0) {
ioctl(fd, TIOCEXCL, 0);
ioctl(fd, TIOCGETP, &oldtty);
ioctl(fd, TIOCGETC, &oldtch);
#ifdef LLITOUT
ioctl(fd, TIOCLGET, &Locmode);
#endif
}
tty = oldtty;
tch = oldtch;
#ifdef READCHECK
tch.t_intrc = Zmodem ? -1:030; /* Interrupt char */
#else
tch.t_intrc = Zmodem ? 03:030; /* Interrupt char */
#endif
tty.sg_flags |= (ODDP|EVENP|CBREAK);
tty.sg_flags &= ~(ALLDELAY|CRMOD|ECHO|LCASE);
ioctl(fd, TIOCSETP, &tty);
ioctl(fd, TIOCSETC, &tch);
#ifdef LLITOUT
ioctl(fd, TIOCLBIS, &Locbit);
#else
bibi(99); /* un-raw doesn't work w/o lit out */
#endif
did0 = TRUE;
return OK;
case 1:
case 3:
if(!did0) {
ioctl(fd, TIOCEXCL, 0);
ioctl(fd, TIOCGETP, &oldtty);
ioctl(fd, TIOCGETC, &oldtch);
#ifdef LLITOUT
ioctl(fd, TIOCLGET, &Locmode);
#endif
}
tty = oldtty;
tty.sg_flags |= RAW;
tty.sg_flags &= ~ECHO;
ioctl(fd, TIOCSETP, &tty);
did0 = TRUE;
Baudrate = getspeed(tty.sg_ospeed);
return OK;
case 0:
if(!did0)
return ERROR;
ioctl(fd, TIOCSETP, &oldtty);
ioctl(fd, TIOCSETC, &oldtch);
ioctl(fd, TIOCNXCL, 0);
#ifdef LLITOUT
ioctl(fd, TIOCLSET, &Locmode);
#endif
#ifdef TIOCFLUSH
{ int x=1; ioctl(fd,TIOCFLUSH,&x); }
#endif
#endif
return OK;
default:
return ERROR;
}
}
