From 3c6cc4a04f012b87e0b3e209aa33e372012cd6ee Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Thu, 9 Aug 2001 22:26:51 +0000
Subject: 2001-08-09	Fernando-Ruiz Casas <correo@fernando-ruiz.com>

	* shell/pty.c: Moved to libnetworking/rtems_telnetd.
---
 c/src/libmisc/shell/pty.c | 406 ----------------------------------------------
 1 file changed, 406 deletions(-)
 delete mode 100644 c/src/libmisc/shell/pty.c

(limited to 'c/src/libmisc/shell/pty.c')

diff --git a/c/src/libmisc/shell/pty.c b/c/src/libmisc/shell/pty.c
deleted file mode 100644
index d6077a566a..0000000000
--- a/c/src/libmisc/shell/pty.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/*
- * /dev/ptyXX  (A first version for pseudo-terminals)
- *
- *  Author: Fernando RUIZ CASAS (fernando.ruiz@ctv.es)
- *  May 2001
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * 
- *  $Id$
- */
-/*-----------------------------------------*/
-#include <termios.h>
-#include <rtems.h>
-#include <rtems/libio.h>
-#include <bsp.h>
-/*-----------------------------------------*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-/*-----------------------------------------*/
-#define IAC_ESC    255
-#define IAC_DONT   254
-#define IAC_DO     253
-#define IAC_WONT   252
-#define IAC_WILL   251
-#define IAC_SB     250
-#define IAC_GA     249
-#define IAC_EL     248
-#define IAC_EC     247
-#define IAC_AYT    246
-#define IAC_AO     245
-#define IAC_IP     244
-#define IAC_BRK    243
-#define IAC_DMARK  242
-#define IAC_NOP    241
-#define IAC_SE     240
-#define IAC_EOR    239
-
-struct pty_tt;
-typedef struct pty_tt pty_t;
-
-struct pty_tt {
- char                     *devname;
- struct rtems_termios_tty *ttyp;
- tcflag_t                  c_cflag;
- int                       opened;
- int                       socket;
-
- int                       last_cr;
- int                       iac_mode;   
-};
-
-#define MAX_PTYS   16
-
-pty_t ptys[MAX_PTYS];
-
-/* This procedure returns the devname for a pty slot free.
- * If not slot availiable (field socket>=0) 
- *  then the socket argument is closed
- */
-
-char *  get_pty(int socket) {
-	int ndx;
-	for (ndx=0;ndx<MAX_PTYS;ndx++) {
-		if (ptys[ndx].socket<0) {
-			ptys[ndx].socket=socket;
-			return ptys[ndx].devname;
-		};
-	};
-	close(socket);
-	return NULL;
-}
-
-
-/*-----------------------------------------------------------*/
-/*
- * The NVT terminal is negociated in PollRead and PollWrite
- * with every BYTE sendded or received. 
- * A litle status machine in the pty_read_byte(int minor) 
- * 
- */
-const char IAC_AYT_RSP[]="\r\nAYT? Yes, RTEMS-SHELL is here\r\n";
-const char IAC_BRK_RSP[]="<*Break*>";
-const char IAC_IP_RSP []="<*Interupt*>";
-
-
-static
-int send_iac(int minor,unsigned char mode,unsigned char option) {
-	unsigned char buf[3];
-	buf[0]=IAC_ESC;
-	buf[1]=mode;
-	buf[2]=option;
-	return write(ptys[minor].socket,buf,sizeof(buf));
-}
-
-int read_pty(int minor) { /* Characters writed in the client side*/
-	 unsigned char value;
-	 int count;
-	 int result;
-	 count=read(ptys[minor].socket,&value,sizeof(value));
-	 if (count<1) {
-          fclose(stdin);		 
-          fclose(stdout);		 
-          fclose(stderr);		 
-	  rtems_task_delete(RTEMS_SELF);
-	 };
-	 switch(ptys[minor].iac_mode) {
-          case IAC_ESC:
-	       ptys[minor].iac_mode=0;
-               switch(value) {
-                case IAC_ESC :
-		     return IAC_ESC;
-                case IAC_DONT:
-                case IAC_DO  :
-                case IAC_WONT:
-                case IAC_WILL:
-		     ptys[minor].iac_mode=value;
-		     return -1;
-                case IAC_SB  :
-		     return -100;
-                case IAC_GA  :
-		     return -1;
-                case IAC_EL  :
-		     return 0x03; /* Ctrl-C*/
-                case IAC_EC  :
-		     return '\b';
-		case IAC_AYT :
-	             write(ptys[minor].socket,IAC_AYT_RSP,strlen(IAC_AYT_RSP));
-		     return -1;
-                case IAC_AO  :
-		     return -1;
-                case IAC_IP  :
-	             write(ptys[minor].socket,IAC_IP_RSP,strlen(IAC_IP_RSP));
-		     return -1;
-		case IAC_BRK :
-	             write(ptys[minor].socket,IAC_BRK_RSP,strlen(IAC_BRK_RSP));
-		     return -1;
-                case IAC_DMARK:
-		     return -2;
-                case IAC_NOP :
-		     return -1;
-                case IAC_SE  :
-		     return -101;
-                case IAC_EOR :
-		     return -102;
-		default      :
-		     return -1;
-	       };
-	       break;
-	  case IAC_WILL:
-	       ptys[minor].iac_mode=0;
-	       if (value==34){send_iac(minor,IAC_DONT,   34);       /*LINEMODE*/ 
-	                      send_iac(minor,IAC_DO  ,    1);} else /*ECHO    */
-	                     {send_iac(minor,IAC_DONT,value);};
-	       return -1;
-	  case IAC_DONT:
-	       ptys[minor].iac_mode=0;
-	       return -1;
-	  case IAC_DO  :
-	       ptys[minor].iac_mode=0;
-	       if (value==3) {send_iac(minor,IAC_WILL,    3);} else /* GO AHEAD*/
-	       if (value==1) {                               } else /* ECHO */
-	                     {send_iac(minor,IAC_WONT,value);};
-	       return -1;
-	  case IAC_WONT:
-	       ptys[minor].iac_mode=0;
-	       if (value==1) {send_iac(minor,IAC_WILL,    1);} else /* ECHO */
-	                     {send_iac(minor,IAC_WONT,value);};
-	       return -1;
-	  default:
-	       ptys[minor].iac_mode=0;
-	       if (value==IAC_ESC) {
-                     ptys[minor].iac_mode=value;
-		     return -1;
-	       } else {
-		     result=value;  
-		     if ((value=='\n') && (ptys[minor].last_cr)) result=-1;
-		     ptys[minor].last_cr=(value=='\r');
-		     return result;
-	       };
-	 };
-	
-}
-
-/*-----------------------------------------------------------*/
-static int ptySetAttributes(int minor,const struct termios *t);
-static int ptyPollInitialize(int major,int minor,void * arg) ;
-static int ptyShutdown(int major,int minor,void * arg) ;
-static int ptyPollWrite(int minor, const char * buf,int len) ;
-static int ptyPollRead(int minor) ;
-const rtems_termios_callbacks * pty_get_termios_handlers(int polled) ;
-/*-----------------------------------------------------------*/
-/* Set the 'Hardware'                                        */ 
-/*-----------------------------------------------------------*/
-static int
-ptySetAttributes(int minor,const struct termios *t) {
-	if (minor<MAX_PTYS) {	
-	 ptys[minor].c_cflag=t->c_cflag;	
-	} else {
-	 return -1;
-	};
-	return 0;
-}
-/*-----------------------------------------------------------*/
-static int 
-ptyPollInitialize(int major,int minor,void * arg) {
-	rtems_libio_open_close_args_t * args = arg;
-	struct termios t;
-        if (minor<MAX_PTYS) {	
-         if (ptys[minor].socket<0) return -1;		
-	 ptys[minor].opened=TRUE;
-	 ptys[minor].ttyp=args->iop->data1;
-	 t.c_cflag=B9600|CS8;/* termios default */
-	 return ptySetAttributes(minor,&t);
-	} else {
-	 return -1;
-	};
-}
-/*-----------------------------------------------------------*/
-static int 
-ptyShutdown(int major,int minor,void * arg) {
-        if (minor<MAX_PTYS) {	
-	 ptys[minor].opened=FALSE;
-         if (ptys[minor].socket>=0) close(ptys[minor].socket);
-	 ptys[minor].socket=-1;
-	 chown(ptys[minor].devname,2,0);
-	} else {
-	 return -1;
-	};
-	return 0;
-}
-/*-----------------------------------------------------------*/
-/* Write Characters into pty device                          */ 
-/*-----------------------------------------------------------*/
-static int
-ptyPollWrite(int minor, const char * buf,int len) {
-	int count;
-        if (minor<MAX_PTYS) {	
-         if (ptys[minor].socket<0) return -1;		
-	 count=write(ptys[minor].socket,buf,len);
-	} else {
-	 count=-1;
-	};
-	return count;
-}
-/*-----------------------------------------------------------*/
-static void
-ptyStopRemoteTX(int minor) {
-}
-/*-----------------------------------------------------------*/
-static void
-ptyStartRemoteTX(int minor) {
-}
-/*-----------------------------------------------------------*/
-static int
-ptyPollRead(int minor) {
-	int result;
-        if (minor<MAX_PTYS) {	
-         if (ptys[minor].socket<0) return -1;		
-	 result=read_pty(minor);
-	 return result;
-	};
-	return -1;
-}
-/*-----------------------------------------------------------*/
-static const rtems_termios_callbacks pty_poll_callbacks = {
-	ptyPollInitialize,	/* FirstOpen*/
-	ptyShutdown,		/* LastClose*/
-	ptyPollRead,		/* PollRead  */
-	ptyPollWrite,		/* Write */
-	ptySetAttributes,	/* setAttributes */
-	NULL,			/* stopRemoteTX */
-	NULL,			/* StartRemoteTX */
-	0 			/* outputUsesInterrupts */
-};
-/*-----------------------------------------------------------*/
-const rtems_termios_callbacks * pty_get_termios_handlers(int polled) {
-	return &pty_poll_callbacks;
-}
-/*-----------------------------------------------------------*/
-void init_ptys(void) {
-	int ndx;
-	for (ndx=0;ndx<MAX_PTYS;ndx++) {
-		ptys[ndx].devname=malloc(strlen("/dev/ptyXX")+1);
-		sprintf(ptys[ndx].devname,"/dev/pty%X",ndx);
-		ptys[ndx].ttyp=NULL;
-		ptys[ndx].c_cflag=CS8|B9600;
-		ptys[ndx].socket=-1;
-		ptys[ndx].opened=FALSE;
-
-	};
-}
-
-
-/*-----------------------------------------------------------*/
-/*  pty_initialize
- *
- *  This routine initializes the pty IO driver.
- *
- *  Input parameters: NONE
- *
- *  Output parameters:  NONE
- *
- *  Return values:
- */
-/*-----------------------------------------------------------*/
-rtems_device_driver pty_initialize(
-  rtems_device_major_number  major,
-  rtems_device_minor_number  minor,
-  void                      *arg
-)
-{
-  int ndx;	
-  rtems_status_code status ;
-
-  /* 
-   * Set up ptys
-   */
-
-  init_ptys();
-
-  /*
-   * Register the devices
-   */
-  for (ndx=0;ndx<MAX_PTYS;ndx++) {
-   status = rtems_io_register_name(ptys[ndx].devname, major, ndx);
-   if (status != RTEMS_SUCCESSFUL)
-     rtems_fatal_error_occurred(status);
-   chmod(ptys[ndx].devname,0660);
-   chown(ptys[ndx].devname,2,0);
-  };
-  printk("Device: /dev/pty%X../dev/pty%X (%d)pseudo-terminals registered.\n",0,MAX_PTYS-1,MAX_PTYS);
-
-  return RTEMS_SUCCESSFUL;
-}
-
-
-/*
- *  Open entry point
- */
-
-rtems_device_driver pty_open(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void                    * arg
-)
-{
-  rtems_status_code sc ;
-  sc = rtems_termios_open(major,minor,arg,pty_get_termios_handlers(FALSE));
-  return sc;
-}
- 
-/*
- *  Close entry point
- */
-
-rtems_device_driver pty_close(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void                    * arg
-)
-{
-  return rtems_termios_close(arg);
-}
-
-/*
- * read bytes from the pty
- */
-
-rtems_device_driver pty_read(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void                    * arg
-)
-{
-  return rtems_termios_read(arg);
-}
-
-/*
- * write bytes to the pty
- */
-
-rtems_device_driver pty_write(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void                    * arg
-)
-{
-  return rtems_termios_write(arg);
-}
-
-/*
- *  IO Control entry point
- */
-
-rtems_device_driver pty_control(
-  rtems_device_major_number major,
-  rtems_device_minor_number minor,
-  void                    * arg
-)
-{
-  return rtems_termios_ioctl(arg);
-}
-- 
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