/** --- BEGIN COPYRIGHT BLOCK ---
 * This Program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; version 2 of the License.
 * 
 * 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. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA.
 * 
 * In addition, as a special exception, Red Hat, Inc. gives You the additional
 * right to link the code of this Program with code not covered under the GNU
 * General Public License ("Non-GPL Code") and to distribute linked combinations
 * including the two, subject to the limitations in this paragraph. Non-GPL Code
 * permitted under this exception must only link to the code of this Program
 * through those well defined interfaces identified in the file named EXCEPTION
 * found in the source code files (the "Approved Interfaces"). The files of
 * Non-GPL Code may instantiate templates or use macros or inline functions from
 * the Approved Interfaces without causing the resulting work to be covered by
 * the GNU General Public License. Only Red Hat, Inc. may make changes or
 * additions to the list of Approved Interfaces. You must obey the GNU General
 * Public License in all respects for all of the Program code and other code used
 * in conjunction with the Program except the Non-GPL Code covered by this
 * exception. If you modify this file, you may extend this exception to your
 * version of the file, but you are not obligated to do so. If you do not wish to
 * provide this exception without modification, you must delete this exception
 * statement from your version and license this file solely under the GPL without
 * exception. 
 * 
 * 
 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
 * All rights reserved.
  --- END COPYRIGHT BLOCK ---  */
/*
 * dsexpldif.c -- CGI configuration update handler -- directory gateway
 */

#include "dsgw.h"
#include "libadmin/libadmin.h"
static void handle_request( int reqmethod );
static void handle_post();

static char *ldiffile, *suffix;

main( argc, argv, env )
    int		argc;
    char	*argv[];
#ifdef DSGW_DEBUG
    char	*env[];
#endif
{
    int		reqmethod;

    reqmethod = dsgw_init( argc, argv,  DSGW_METHOD_POST | DSGW_METHOD_GET );
    dsgw_send_header();

#ifdef DSGW_DEBUG
   dsgw_logstringarray( "env", env ); 
#endif

    handle_request( reqmethod );

    exit( 0 );
}


#define DSGWCONFIG_EMPTY_IF_NULL( s )	( (s) == NULL ? "" : (s) )


static void
handle_request( int reqmethod )
{
    FILE	*fp;
    char	**argv, *buf, line[ BIG_LINE ];
    char	*str_valuefmt = " VALUE=\"%s\" ";
    int		did_post, argc;

    buf = dsgw_ch_malloc( strlen( progname ) + 6 );	/* room for ".html\0" */
    sprintf( buf, "%s.html", progname );
    fp = dsgw_open_html_file( buf, DSGW_ERROPT_EXIT );
    free( buf );
    did_post = 0;

    while ( dsgw_next_html_line( fp, line ))  {
	if ( dsgw_parse_line( line, &argc, &argv, 0, dsgw_simple_cond_is_true,
		NULL )) {
	    if ( dsgw_directive_is( line, DRCT_DS_INLINE_POST_RESULTS )) {
		if ( !did_post && reqmethod == DSGW_METHOD_POST ) {
		    handle_post();
		    did_post = 1;
		}
	    } else if ( dsgw_directive_is( line, DS_LDIF_FILE )) {
		dsgw_emitf( str_valuefmt,
			    DSGWCONFIG_EMPTY_IF_NULL( ldiffile ));
	    } else if ( dsgw_directive_is( line, DS_SUFFIX )) {
		dsgw_emitf( str_valuefmt,
			    DSGWCONFIG_EMPTY_IF_NULL( suffix ));
	    }
	}
    }

    fclose( fp );
}


static void
handle_post()
{
    char cmd[BIG_LINE], path[BIG_LINE];
    char    *userdb_path;

    ldiffile = dsgw_get_cgi_var( "ldif", DSGW_CGIVAR_REQUIRED );
    suffix = dsgw_get_cgi_var( "suffix", DSGW_CGIVAR_OPTIONAL );

    /* if the schema checking is off, put out a warning message */ 

    if (( userdb_path = get_userdb_dir()) == NULL ) {
  	dsgw_error( DSGW_ERR_USERDB_PATH, NULL, DSGW_ERROPT_EXIT, 0, NULL ); 
    }

    if (gc->gc_localdbconf == NULL) {
        /* remote */
        PR_snprintf (cmd, BIG_LINE, 
	    "./%s -b \"%s\" -h %s -p %d \"objectclass=*\" > %s 2> %s", 
	    DSGW_LDAPSEARCH, gc->gc_ldapsearchbase, gc->gc_ldapserver, 
	    gc->gc_ldapport, ldiffile, DSGW_NULL_DEVICE);
    }
    else {
        /* local database */
        PR_snprintf (cmd, BIG_LINE, 
	    "./%s -b \"\" -C %s \"objectclass=*\" > %s 2> %s",
            DSGW_LDAPSEARCH, gc->gc_localdbconf, ldiffile, DSGW_NULL_DEVICE);
    }
    PR_snprintf (path, BIG_LINE, "%s%s", userdb_path, DSGW_TOOLSDIR);
    chdir (path);

    fflush (stdout);
    if (system (cmd) == 0){

	/* if local database and suffix is not null, append suffix to 
	   appropriate attributes. */   

	if (( gc->gc_localdbconf != NULL) && (suffix != NULL )) {
	   app_suffix (ldiffile, suffix);
	}
	/*
	 * success: display status message 
	 */
	dsgw_emits( "<FONT SIZE=\"+1\">\n<P>The ldif file has been created.\n</FONT>\n" );
    }
    else {
	dsgw_emits( "<FONT SIZE=\"+1\">\n<P>The ldif file could not be created.\n</FONT>\n" );
    }

    dsgw_emits( "<HR>\n" );
}