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/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * Portions of this software are based upon public domain software
 * originally written at the National Center for Supercomputing Applications,
 * University of Illinois, Urbana-Champaign.
 */

#include <unistd.h>
#include "httpd.h"
#include "http_config.h"
#include "http_main.h"
#include "http_log.h"
#include "beosd.h"

beosd_config_rec beosd_config;

/* Set group privileges.
 *
 * Note that we use the username as set in the config files, rather than
 * the lookup of to uid --- the same uid may have multiple passwd entries,
 * with different sets of groups for each.
 */

#if B_BEOS_VERSION < 0x0460
static int set_group_privs(void)
{

    if (!geteuid()) {
	char *name;

	/* Get username if passed as a uid */

	if (beosd_config.user_name[0] == '#') {
	    struct passwd *ent;
	    uid_t uid = atoi(&beosd_config.user_name[1]);

	    if ((ent = getpwuid(uid)) == NULL) {
		ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
			 "getpwuid: couldn't determine user name from uid %u, "
			 "you probably need to modify the User directive",
			 (unsigned)uid);
		return -1;
	    }

	    name = ent->pw_name;
	}
	else
	    name = beosd_config.user_name;

	if (setgid(beosd_config.group_id) == -1) {
	    ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
			"setgid: unable to set group id to Group %u",
			(unsigned)beosd_config.group_id);
	    return -1;
	}

	/* Reset `groups' attributes. */

#ifdef HAVE_INITGROUPS
	if (initgroups(name, beosd_config.group_id) == -1) {
	    ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
			"initgroups: unable to set groups for User %s "
			"and Group %u", name, (unsigned)beosd_config.group_id);
	    return -1;
	}
#endif
    }
    return 0;
}
#endif


int beosd_setup_child(void)
{
    /* TODO: revisit the whole issue of users/groups for BeOS as
     * R5 and below doesn't really have much concept of them.
     */

    return 0;
}


const char *beosd_set_user(cmd_parms *cmd, void *dummy, char *arg)
{
    const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
    if (err != NULL) {
        return err;
    }

    beosd_config.user_name = arg;
    beosd_config.user_id = ap_uname2id(arg);
    return NULL;
}

const char *beosd_set_group(cmd_parms *cmd, void *dummy, char *arg)
{
    const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
    if (err != NULL) {
        return err;
    }

    beosd_config.group_id = ap_gname2id(arg);

    return NULL;
}

void beosd_pre_config(void)
{
    beosd_config.user_name = DEFAULT_USER;
    beosd_config.user_id = ap_uname2id(DEFAULT_USER);
    beosd_config.group_id = ap_gname2id(DEFAULT_GROUP);
}