/*** (c) 1992 Uwe C. Schroeder, Anwendungssysteme , Augsburg, Germany**** ** Permission to use, copy, and modify this software and its** documentation for non comercial  purpose is hereby granted ** without fee, provided that** the above copyright notice appear in all copies and that both that** copyright notice and this permission notice appear in supporting** documentation, and that the name of Uwe C. Schroeder not be used in** advertising or publicity pertaining to distribution of the software without** specific, written prior permission.  Uwe Schroeder makes no representations** about the suitability of this software for any purpose.  It is provided** "as is" without express or implied warranty.** This software may not be sold or distributed with commercial products** ( this includes distribution "for users convenience" ) without prior** written permission by the author.**** UWE SCHROEDER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,** INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO** EVENT SHALL UWE SCHROEDER BE LIABLE FOR ANY SPECIAL, INDIRECT OR** CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,** DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER** TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR** PERFORMANCE OF THIS SOFTWARE.****** This is a alpha release, which means, that there are still several** known bugs.**** Please report bugs to:****                     usys@phoenix.abg.sub.org***/#include <stdio.h>#include <fcntl.h>#include <termio.h>#include <signal.h>#include "vfax.h"extern int bc;extern FILE *f;extern unsigned char obuf[1024];extern int carrier_up;extern int local;intrecmsg(fn,msgno,faxno)     char *fn;     int msgno,faxno;{  int x, y;  FILE *out;  char fnam[512], path[512];  unsigned char buf;  void *sigcarr;  int rmode, retcode;  char k;  extern void carrier_loss();  sigcarr = (void(*)())carrier_loss;  Debug(2,"Open spoolfile %s\r\n",fn);  if((out = fopen(fn,"w+")) == (FILE *)NULL)    {      Debug(0,"Open spoolfile %s failed\r\n",fn);      return -1;    }  tty_raw_mode_out(VOICE);  rmode = record(out,DTMF_ALL);  switch(rmode)    {    case QUIET:      fclose(out);      unlink(fn);      retcode = ADMIN;      break;    case PLAYBACK:      /* transmitt detec signal */      Debug(1,"Playback mode %d messages\r\n",msgno);      writecmd("AT+VTS=[933,0,10]");      getret("OK");      tty_raw_mode_out(VOICE);      for(y=0;y<msgno;y++)	{	  sprintf(fnam,"%s/in%d",VSPOOLDIR,y);	  Debug(1,"playing msg no %s\r\n",fnam);	  play(fnam);	}      /* transmitt end of message signal */      writecmd("AT+VTS=[933,0,5]");      getret("OK");      retcode = ADMIN;      break;    case RFAX:      Debug(1,"Fax mode; Fax number %d \n",faxno);      if(rfax(faxno) > faxno)	retcode = FAX;      else	retcode = ADMIN;      init_voice();      break;    case RESTORE_DEFAULT:      Debug(1,"Restoring default message\r\n");      writecmd("AT+VTS=[933,0,5]");      getret("OK");      sprintf(fnam,"%s/greetmsg.v",MSGDIR);      sprintf(path,"%s/greet.default",MSGDIR);      Debug(2,"linking %s to %s\r\n",path,fnam);      unlink(fnam);      link(path,fnam);      retcode = ADMIN;      break;    case NEW_GREETING:      Debug(1,"Record new greeting message\r\n");      writecmd("AT+VTS=[933,0,5]");      getret("OK");      sprintf(fnam,"%s/recnew.v",MSGDIR);      play(fnam);      writecmd("AT+VTS=[1024,0,3]");      getret("OK");      sprintf(fnam,"%s/greetmsg.v",MSGDIR);      unlink(fnam);      if((out = fopen(fnam,"w+")) == (FILE *)NULL)	{	  writecmd("AT+VTS=[933,0,1]");	  getret("OK");	  writecmd("AT+VTS=[933,0,1]");	  getret("OK");	  writecmd("AT+VTS=[933,0,1]");	  getret("OK");	}      else	{	  if(record(out,"#") != RTERM) /* oops something went wrong */	    {	      writecmd("AT+VTS=[933,0,5]");	      getret("OK");	      sprintf(fnam,"%s/greetmsg.v",MSGDIR);	      sprintf(path,"%s/greet.default",MSGDIR);	      Debug(2,"linking %s to %s\r\n",path,fnam);	      unlink(fnam);	      link(path,fnam);	    }	  else	    {	      fclose(out);	      Debug(1,"Got new greeting\r\n");	    }	}      retcode = ADMIN;      break;    case RTERM:    case SILENCE:      retcode = VOICE;      break;    default:      retcode = ADMIN;    }  return retcode;}