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license.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1989-2007 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Eduardo Krell <ekrell@adexus.cl>                   *
*                                                                      *
***********************************************************************/
#pragma prototyped

/*
 * 3d license via agent to license server
 */

#include "3d.h"

#if LICENSED

#define LICENSE_OPEN(s,m,l)   licopen(s,m,l)
#define LICENSE_CLOSE(f)      close(f)

static int
licopen(const char* svc, const char* msg, int len)
{
      char* service;
      char* env;
      int   n;
      int   fd;
      int   lic;
      char  buf[64];

      if (state.in_2d) return(-1);
      service = "/dev/fdp/local/nam/user";
      env = *environ;
      *environ = "_3D_DISABLE=1";
      if ((fd = cslocal(&cs, service)) < 0)
      {
            error(ERROR_SYSTEM|2, "%s: cannot connect to server", service);
            return(-1);
      }
      *environ = env;
      n = strlen(svc) + 1;
      if (cswrite(&cs, fd, svc, n) != n)
      {
            error(ERROR_SYSTEM|2, "%s: cannot write to server", service);
            close(fd);
            return(-1);
      }
      if (read(fd, buf, sizeof(buf)) <= 0)
      {
            error(ERROR_SYSTEM|2, "%s: cannot read from server", service);
            close(fd);
            return(-1);
      }
      if (csrecv(&cs, fd, NiL, &lic, 1) != 1)
      {
            error(ERROR_SYSTEM|2, "%s: cannot connect to %s", service, svc);
            close(fd);
            return(-1);
      }
      close(fd);
      if (cswrite(&cs, lic, msg, len) != len)
      {
            error(ERROR_SYSTEM|2, "%s: cannot write to service", svc);
            close(lic);
            return(-1);
      }
      fcntl(lic, F_SETFD, FD_CLOEXEC);
      state.in_2d = 0;
      return(lic);
}

#define tokscan         _3d_tokscan

#include "tokscan.c"
#include "../license/service.c"

#else

NoN(license)

#endif

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