389-ds-base/ldap/admin/lib/dsalib_location.c

/** 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 **/
#if defined( XP_WIN32 )
#include <windows.h>
#endif
#include "dsalib.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "nspr.h"
#include "plstr.h"

/*
 * Returns the server root. Info is 
 * returned in a static area. The caller must copy it 
 * for reuse if needed.
 */
DS_EXPORT_SYMBOL char *
ds_get_server_root()
{
    char        *root;
 
    if ( (root = getenv("NETSITE_ROOT")) == NULL )
        return(NULL);

    /* WIN32: Needed to take care of embedded space, */
    /* otherwise system() call fails */
    root = ds_makeshort( root );

    return root;
}

/*
 * Returns the install location of the server. Info is 
 * returned in a static area. The caller must copy it 
 * for reuse if needed.
 */
DS_EXPORT_SYMBOL char *
ds_get_install_root()
{
    char        *root;
    char        *ds_name;
    static char install_root[PATH_MAX];
 
    if ( (root = ds_get_server_root()) == NULL )
        return(NULL);
    if ( (ds_name = ds_get_server_name()) == NULL )
        return(NULL);

    PR_snprintf(install_root, sizeof(install_root), "%s/%s", root, ds_name);
    return(install_root);
}

/*
 * Returns the config file location of the server. Info is 
 * returned in a static area. The caller must copy it 
 * for reuse if needed.
 */
DS_EXPORT_SYMBOL char *
ds_get_config_dir()
{
    return getenv("DS_CONFIG_DIR");
}

/*
 * set config_dir to environment variable DS_CONFIG_DIR
 * to retrieve the value using ds_get_config_dir later.
 */
DS_EXPORT_SYMBOL void
ds_set_config_dir(char *config_dir)
{
    static char env[PATH_MAX];
    PR_snprintf(env, sizeof(env), "DS_CONFIG_DIR=%s", config_dir);
    putenv(env);
}

/*
 * Returns the run dir of the server, where pid files are put.
 * Info is returned in a static area. The caller must copy it 
 * for reuse if needed.
 */
DS_EXPORT_SYMBOL char *
ds_get_run_dir()
{
    return getenv("DS_RUN_DIR");
}

/*
 * set run_dir to environment variable DS_RUN_DIR
 * to retrieve the value using ds_get_run_dir later.
 */
DS_EXPORT_SYMBOL void
ds_set_run_dir(char *run_dir)
{
    static char env[PATH_MAX];
    PR_snprintf(env, sizeof(env), "DS_RUN_DIR=%s", run_dir);
    putenv(env);
}

/*
 * Returns the install location of the server under the admserv
 * directory.
 */
DS_EXPORT_SYMBOL char *
ds_get_admserv_based_root()
{
    char        *root;
    char        *ds_name;
    static char install_root[PATH_MAX];
 
    if ( (root = getenv("ADMSERV_ROOT")) == NULL )
        return(NULL);
    if ( (ds_name = ds_get_server_name()) == NULL )
        return(NULL);
    PR_snprintf(install_root, sizeof(install_root), "%s/%s", root, ds_name);
    return(install_root);
}

DS_EXPORT_SYMBOL char *
ds_get_server_name()
{
    if( getenv("SERVER_NAMES") )
        return( getenv("SERVER_NAMES") );
    else {
        static char logfile[PATH_MAX];
        char *buf;
        char *out = logfile;
        buf = getenv("SCRIPT_NAME");
        if ( buf && (*buf == '/') )
            buf++;
        while ( *buf && (*buf != '/') ) {
            *out++ = *buf++;
        }
        *out = 0;
        return logfile;
    }
}

DS_EXPORT_SYMBOL char *
ds_get_logfile_name(int config_type)
{
    char        *filename;
    char        **ds_config = NULL;
    static char logfile[PATH_MAX+1];
 
    if ( (ds_config = ds_get_config(DS_REAL_CONFIG)) == NULL ) {
        /* For DS 4.0, no error output if file doesn't exist - that's
           a normal situation */
        /* ds_send_error("ds_get_config(DS_REAL_CONFIG) == NULL", 0); */
        return(NULL);
    }
    filename = ds_get_value(ds_config, ds_get_var_name(config_type), 0, 1);

    if ( filename == NULL ) {
        /* For DS 4.0, no error output if file doesn't exist - that's
           a normal situation */
        /* ds_send_error("ds_get_logfile_name: filename == NULL", 0); */
        return(NULL);
    }
    if ( ((int) strlen(filename)) >= PATH_MAX ) {
        ds_send_error("ds_get_logfile_name: filename too long", 0);
        free(filename);
        return(NULL);
    }
    PL_strncpyz(logfile, filename, sizeof(logfile));
    free(filename);
    return(logfile);
}

DS_EXPORT_SYMBOL char *
ds_get_errors_name()
{
    return( ds_get_logfile_name(DS_ERRORLOG) );
}

DS_EXPORT_SYMBOL char *
ds_get_access_name()
{
    return( ds_get_logfile_name(DS_ACCESSLOG) );
}

DS_EXPORT_SYMBOL char *
ds_get_audit_name()
{
    return( ds_get_logfile_name(DS_AUDITFILE) );
}