Tomcat example source code file (user.c)

This example Tomcat source code file (user.c) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Tomcat tags/keywords

ajp_to_jstring, j2p, j2p, j2s, null, tcn_alloc_cstring, tcn_free_cstring, tcn_implement_call, tcn_implement_call, tcn_throw_if_err, tcn_throw_if_err, unreferenced, user, user

The Tomcat user.c source code

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 *
 * @author Mladen Turk
 * @version $Revision: 466585 $, $Date: 2006-10-22 00:16:34 +0200 (dim., 22 oct. 2006) $
 */
 
#include "tcn.h"
#include "apr_user.h"
#include "apr_network_io.h"

TCN_IMPLEMENT_CALL(jlong, User, uidCurrent)(TCN_STDARGS, jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    apr_uid_t uid;
    apr_gid_t gid;

    UNREFERENCED(o);
    TCN_THROW_IF_ERR(apr_uid_current(&uid, &gid, p), uid);

cleanup:
    return (jlong)uid;
}

TCN_IMPLEMENT_CALL(jlong, User, gidCurrent)(TCN_STDARGS, jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    apr_uid_t uid;
    apr_gid_t gid;

    UNREFERENCED(o);
    TCN_THROW_IF_ERR(apr_uid_current(&uid, &gid, p), gid);

cleanup:
    return (jlong)gid;
}

TCN_IMPLEMENT_CALL(jlong, User, uid)(TCN_STDARGS, jstring uname, jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    apr_uid_t uid;
    apr_gid_t gid;
    TCN_ALLOC_CSTRING(uname);

    UNREFERENCED(o);
    TCN_THROW_IF_ERR(apr_uid_get(&uid, &gid, J2S(uname), p), uid);

cleanup:
    TCN_FREE_CSTRING(uname);
    return (jlong)uid;
}

TCN_IMPLEMENT_CALL(jlong, User, usergid)(TCN_STDARGS, jstring uname,
                                         jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    apr_uid_t uid;
    apr_gid_t gid;
    TCN_ALLOC_CSTRING(uname);

    UNREFERENCED(o);
    TCN_THROW_IF_ERR(apr_uid_get(&uid, &gid, J2S(uname), p), gid);

cleanup:
    TCN_FREE_CSTRING(uname);
    return (jlong)gid;
}

TCN_IMPLEMENT_CALL(jlong, User, gid)(TCN_STDARGS, jstring gname, jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    apr_gid_t gid;
    TCN_ALLOC_CSTRING(gname);

    UNREFERENCED(o);
    TCN_THROW_IF_ERR( apr_gid_get(&gid, J2S(gname), p), gid);

cleanup:
    TCN_FREE_CSTRING(gname);
    return (jlong)gid;
}

TCN_IMPLEMENT_CALL(jstring, User, username)(TCN_STDARGS, jlong userid, jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    apr_uid_t uid = (apr_uid_t)userid;
    char *uname = NULL;

    UNREFERENCED(o);
    TCN_THROW_IF_ERR(apr_uid_name_get(&uname, uid, p), uname);

cleanup:
    if (uname)
        return AJP_TO_JSTRING(uname);
    else
        return NULL;
}

TCN_IMPLEMENT_CALL(jstring, User, groupname)(TCN_STDARGS, jlong grpid, jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    apr_gid_t gid = (apr_uid_t)grpid;
    char *gname = NULL;

    UNREFERENCED(o);
    TCN_THROW_IF_ERR(apr_gid_name_get(&gname, gid, p), gname);

cleanup:
    if (gname)
        return AJP_TO_JSTRING(gname);
    else
        return NULL;
}

TCN_IMPLEMENT_CALL(jint, User,uidcompare)(TCN_STDARGS, jlong left, jlong right)
{

    UNREFERENCED_STDARGS;
    return (int)apr_uid_compare((apr_uid_t)left,
                                (apr_uid_t)right);
}

TCN_IMPLEMENT_CALL(jint, User,gidcompare)(TCN_STDARGS, jlong left, jlong right)
{

    UNREFERENCED_STDARGS;
    return (int)apr_gid_compare((apr_gid_t)left,
                                (apr_gid_t)right);
}

TCN_IMPLEMENT_CALL(jstring, User, homepath)(TCN_STDARGS, jstring uname, jlong pool)
{
    apr_pool_t *p = J2P(pool, apr_pool_t *);
    char *dirname = NULL;
    TCN_ALLOC_CSTRING(uname);

    UNREFERENCED(o);
    TCN_THROW_IF_ERR(apr_uid_homepath_get(&dirname, J2S(uname),
                                          p), dirname);

cleanup:
    TCN_FREE_CSTRING(uname);
    if (dirname)
        return AJP_TO_JSTRING(dirname);
    else
        return NULL;
}