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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2012-xxxx
license		=	bsd



%%	module

#include "dk3all.h"
#include "itadmin.h"



$!trace-include



/**	Keywords used by the module.
*/
static char const * const itadmin_netgroup_c8_kw[] = {
$!string-table
#
#   0: File name "netgroup.ldif"
#
netgroup.ldif
#
#   1: File open mode "w"
#
w
#
#   2: Start of DN line
#
dn: cn=
#
#   3: Middle of DN line
#
,ou=netgroup,
#
#   4: objectClass: top
#
objectClass: top
#
#   5: objectClass: nisNetgroup
#
objectClass: nisNetgroup
#
#   6: cn: (start of line)
#
cn: 
#
#   7: nisNetgroupTriple: (start of line)
#
nisNetgroupTriple: (
#
#   8: Center of nisNetgroupTriple line
#
,,
#
#   9: End of nisNetgroupTriple line
#
)
$!end
};

int
itadmin_netgroup_expand(itadmin_job *job)
{
  itadmin_netgroup	*ng;	/* Current netgroup. */
  itadmin_ngdep		*nd;	/* Netgroup dependency. */
  size_t		 nng;	/* Next netgroup number. */
  int			 back	= 0;
  $? "+ itadmin_netgroup_expand"
  /*
  	Assign number to each netgroup.
  */
  nng = 0;
  dk3sto_it_reset(job->i_ng);
  while(NULL != (ng = (itadmin_netgroup *)dk3sto_it_next(job->i_ng))) {
    ng->no = nng++;
  }
  job->nng = nng;
  /*
  	Create dependency matrix.
  */
  if(nng > 0) {
    job->ngdep = dk3bm_open(nng, nng, job->app);
    if(job->ngdep) {		$? ". allocation"
      /*
      	Enter dependencies into matrix.
      */
      dk3sto_it_reset(job->i_nd);
      while(NULL != (nd = (itadmin_ngdep *)dk3sto_it_next(job->i_nd))) {
        if((nd->ch) && (nd->pa)) {
	  dk3bm_set(job->ngdep, (nd->ch)->no, (nd->pa)->no, 1);
	}
      }
      /*
      	Expand matrix to find indirect parent/child relations.
      */
      dk3bm_expand(job->ngdep);
      back = 1;
    } else {			$? "! allocation"
    }
  } else {			$? ". no netgroups"
    back = 1;
  }
  $? "- itadmin_netgroup_expand %d", back
  return back;
}



int
itadmin_netgroup_host_member(
  itadmin_job		*job,
  itadmin_netgroup	*netgroup,
  itadmin_host		*host
)
{
  int			back	= 0;
  $? "+ itadmin_netgroup_host_member"
  if((netgroup) && (host)) {			$? ". args ok"
    if(host->ng) {				$? ". host->ng"
      if((host->ng)->no == netgroup->no) {	$? ". direct"
        back = 2;
      } else {					$? ". not direct"
        if(job->ngdep) {				$? ". job->ngdep"
          if(dk3bm_get(job->ngdep, (host->ng)->no, netgroup->no)) {
	    back = 1;
	  }
        } else {					$? "! job->ngdep"
        }
      }
    } else {					$? ". no primary ng"
    }
  } else {					$? "! args"
  } $? "- itadmin_netgroup_host_member %d", back
  return back;
}



int
itadmin_netgroup_ldif_output(itadmin_job *job)
{
  char			 bu[ITADMIN_CONFIG_LINE_SIZE];
  itadmin_netgroup	*ng;		/* Current netgroup to process. */
  itadmin_host		*host;		/* Current host to process. */
  FILE			*fipo;		/* Output file. */
  char const		*al;		/* Current alias name. */
  int			 ie;		/* Input encoding. */
  int			 nghf	= 0;	/* Flag: Already host found here. */
  int			 back	= 0;
  $? "+ itadmin_netgroup_ldif_output"
  ie = dk3app_get_encoding(job->app);
  if(dk3str_to_c8u_app(bu,sizeof(bu),job->ldapb,ie,job->app)) {	$? ". bu"
    fipo = dk3sf_c8_fopen_app(
      itadmin_netgroup_c8_kw[0],
      itadmin_netgroup_c8_kw[1],
      job->app
    );
    if(fipo) {							$? ". fipo"
      dk3sto_it_reset(job->i_ng);
      while(NULL != (ng = (itadmin_netgroup *)dk3sto_it_next(job->i_ng))) {
        nghf = 0;						$? ". ng"
        dk3sto_it_reset(job->i_hoi);
        while(NULL != (host = (itadmin_host *)dk3sto_it_next(job->i_hoi))) {
	  if((host->sn) && (host->ipv4) && (host->dnsd)) {	$? ". host"
            if(itadmin_netgroup_host_member(job, ng, host)) {	$? ". member"
	      if(!(nghf)) {
	        fputs(itadmin_netgroup_c8_kw[2], fipo);
	        fputs(ng->sn, fipo);
	        fputs(itadmin_netgroup_c8_kw[3], fipo);
	        fputs(bu, fipo);
	        fputc('\n', fipo);
	        fputs(itadmin_netgroup_c8_kw[4], fipo);
	        fputc('\n', fipo);
	        fputs(itadmin_netgroup_c8_kw[5], fipo);
	        fputc('\n', fipo);
	        fputs(itadmin_netgroup_c8_kw[6], fipo);
	        fputs(ng->sn, fipo);
	        fputc('\n', fipo);
	      }
	      nghf = 1;						$? ". header ok"
	      /* Short host name */
	      fputs(itadmin_netgroup_c8_kw[7], fipo);
	      fputs(host->sn, fipo);
	      fputs(itadmin_netgroup_c8_kw[8], fipo);
	      fputs(host->dnsd, fipo);
	      fputs(itadmin_netgroup_c8_kw[9], fipo);
	      fputc('\n', fipo);
	      /* Full host name */
	      fputs(itadmin_netgroup_c8_kw[7], fipo);
	      fputs(host->sn, fipo);
	      fputc('.', fipo);
	      fputs(host->dnsd, fipo);
	      fputs(itadmin_netgroup_c8_kw[8], fipo);
	      fputs(host->dnsd, fipo);
	      fputs(itadmin_netgroup_c8_kw[9], fipo);
	      fputc('\n', fipo);
	      /* Aliases */
	      if(host->i_al) {
	        dk3sto_it_reset(host->i_al);
		while(NULL != (al = (char const *)dk3sto_it_next(host->i_al))) {
	          fputs(itadmin_netgroup_c8_kw[7], fipo);
	          fputs(al, fipo);
	          fputs(itadmin_netgroup_c8_kw[8], fipo);
	          fputs(host->dnsd, fipo);
	          fputs(itadmin_netgroup_c8_kw[9], fipo);
	          fputc('\n', fipo);
		}
	      }
	      /* IP */
	      fputs(itadmin_netgroup_c8_kw[7], fipo);
	      itadmin_tool_write_ip(fipo, host->ipv4);
	      fputs(itadmin_netgroup_c8_kw[8], fipo);
	      fputs(host->dnsd, fipo);
	      fputs(itadmin_netgroup_c8_kw[9], fipo);
	      fputc('\n', fipo);
	    } else {						$? ". no member"
	    }
	  }
	}
        if(nghf) {
          fputc('\n', fipo);
        }
      }
      back = 1;
#if DK3_CHAR_SIZE == 1
      if(!dk3sf_fclose_fn_app(fipo, itadmin_netgroup_c8_kw[0], job->app)) {
        back = 0;
      }
#else
      if(!dk3sf_fclose_fn_app(fipo, NULL, job->app)) {
        back = 0;
      }
#endif
    } else {						$? "! fipo"
    }
  } else {						$? "! bu"
  }
  $? "- itadmin_netgroup_ldif_output %d", back
  return back;
}