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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <locale.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include "nscd_common.h"
#include "nscd_config.h"
#include "nscd_log.h"
#include "nscd_switch.h"
#include "nscd_frontend.h"
static char *cfgfile_save = NULL;
static mutex_t time_mutex = DEFAULTMUTEX;
static time_t start_time = 0;
void
_nscd_set_start_time(int reset)
{
(void) mutex_lock(&time_mutex);
if (start_time == 0 || reset == 1)
start_time = time(NULL);
(void) mutex_unlock(&time_mutex);
}
time_t
_nscd_get_start_time()
{
return (start_time);
}
nscd_rc_t
_nscd_init(
char *cfgfile)
{
char *me = "nscd_init";
nscd_rc_t rc;
nscd_cfg_error_t *err;
/*
* remember when main or forker nscd starts.
*/
_nscd_set_start_time(0);
/*
* allocate the space for tables
*/
if ((rc = _nscd_alloc_nsw_config()) != NSCD_SUCCESS ||
(rc = _nscd_alloc_service_state_table()) != NSCD_SUCCESS ||
(rc = _nscd_alloc_nsw_state_base()) != NSCD_SUCCESS ||
(rc = _nscd_alloc_nsw_be_info_db()) != NSCD_SUCCESS ||
(rc = _nscd_alloc_getent_ctx_base()) != NSCD_SUCCESS)
return (rc);
/*
* allocate the space for local configuration
* and statistics
*/
if ((rc = _nscd_alloc_switch_cfg()) != NSCD_SUCCESS ||
(rc = _nscd_alloc_frontend_cfg()) != NSCD_SUCCESS ||
(rc = _nscd_alloc_switch_stats()) != NSCD_SUCCESS)
return (rc);
/*
* Create and init the internal address database to keep
* track of the memory allocated by _nscd_alloc
*/
if (_nscd_create_int_addrDB() == NULL) {
_NSCD_LOG(NSCD_LOG_INT_ADDR, NSCD_LOG_LEVEL_ERROR)
(me, "_nscd_create_int_addrDB failed\n");
return (NSCD_NO_MEMORY);
}
/*
* Create and init the internal context database to keep
* track of the getent context currently being used
*/
if (_nscd_create_getent_ctxDB() == NULL) {
_NSCD_LOG(NSCD_LOG_GETENT_CTX, NSCD_LOG_LEVEL_ERROR)
(me, "_nscd_create_getent_ctx_addrDB failed\n");
return (NSCD_NO_MEMORY);
}
/*
* Create the backend info database for each possible source
*/
if ((rc = _nscd_init_all_nsw_be_info_db()) != NSCD_SUCCESS) {
_NSCD_LOG(NSCD_LOG_NSW_STATE, NSCD_LOG_LEVEL_ERROR)
(me, "_nscd_init_all_nsw_be_info_db failed (rc = %d)\n",
rc);
return (rc);
}
/*
* Create the nscd_nsw_config_t for each possible nss database
*/
if ((rc = _nscd_init_all_nsw_config()) != NSCD_SUCCESS) {
_NSCD_LOG(NSCD_LOG_NSW_STATE, NSCD_LOG_LEVEL_ERROR)
(me, "_nscd_init_all_nsw_config failed (rc = %d)\n", rc);
return (rc);
}
/*
* initialize config/stats management
*/
rc = _nscd_cfg_init(&err);
if (rc != NSCD_SUCCESS) {
if (err != NULL)
_nscd_cfg_free_error(err);
return (rc);
}
/*
* read in the nsswitch configuration
*/
rc = _nscd_cfg_read_nsswitch_file("/etc/nsswitch.conf", &err);
if (rc != NSCD_SUCCESS) {
(void) printf(
gettext("reading config file %s failed with rc = %d, %s\n"),
"/etc/nsswitch.conf", rc, NSCD_ERR2MSG(err));
if (err != NULL)
_nscd_cfg_free_error(err);
_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_ERROR)
(me, "unable to read /etc/nsswitch.conf (rc = %d)\n", rc);
return (rc);
}
/*
* read in the nscd configuration
*/
if (cfgfile == NULL) {
cfgfile = "/etc/nscd.conf";
if (access(cfgfile, R_OK) != 0) {
_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_ERROR)
(me, "unable to read /etc/nscd.conf (rc = %d)\n", rc);
return (NSCD_CFG_FILE_ACCESS_ERROR);
}
}
rc = _nscd_cfg_read_file(cfgfile, &err);
if (rc != NSCD_SUCCESS) {
(void) printf(
gettext("reading config file %s failed with rc = %d, %s\n"),
cfgfile, rc, NSCD_ERR2MSG(err));
if (err != NULL)
_nscd_cfg_free_error(err);
_NSCD_LOG(NSCD_LOG_FRONT_END, NSCD_LOG_LEVEL_ERROR)
(me, "unable to read configuration from %s (rc = %d)\n",
cfgfile, rc);
return (rc);
}
/*
* remember the name of the config file
* in case refresh is requested later
*/
if (cfgfile != NULL) {
cfgfile_save = strdup(cfgfile);
if (cfgfile_save == NULL)
return (NSCD_NO_MEMORY);
}
return (NSCD_SUCCESS);
}
nscd_rc_t
_nscd_refresh()
{
char *me = "nscd_refresh";
char *cfgfile;
nscd_rc_t rc;
nscd_cfg_error_t *err;
char errmsg[1024];
/*
* re-read the nsswitch configuration
*/
rc = _nscd_cfg_read_nsswitch_file("/etc/nsswitch.conf", &err);
if (rc != NSCD_SUCCESS) {
(void) snprintf(errmsg, sizeof (errmsg),
"unable to parse the config file %s (rc = %d), %s\n",
"/etc/nsswitch.conf", rc, NSCD_ERR2MSG(err));
goto error_exit;
}
/*
* re-read the nscd configuration
*/
if (cfgfile_save == NULL)
cfgfile = "/etc/nscd.conf";
else
cfgfile = cfgfile_save;
if (access(cfgfile, R_OK) != 0) {
(void) snprintf(errmsg, sizeof (errmsg),
"unable to read the config file %s (rc = %d), %s\n",
cfgfile, NSCD_CFG_FILE_ACCESS_ERROR,
strerror(errno));
goto error_exit;
}
rc = _nscd_cfg_read_file(cfgfile, &err);
if (rc != NSCD_SUCCESS) {
(void) snprintf(errmsg, sizeof (errmsg),
"unable to parse the config file %s (rc = %d), %s\n",
cfgfile, rc, NSCD_ERR2MSG(err));
goto error_exit;
}
_NSCD_LOG(NSCD_LOG_CONFIG, NSCD_LOG_LEVEL_ALL)
(me, "nsswitch/nscd configuration refreshed successfully\n");
return (NSCD_SUCCESS);
error_exit:
if (err != NULL)
_nscd_cfg_free_error(err);
_NSCD_LOG(NSCD_LOG_CONFIG, NSCD_LOG_LEVEL_ERROR)
(me, "%s\n", errmsg);
return (rc);
}
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