/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _KDB_LOG_H
#define _KDB_LOG_H
/* #pragma ident "@(#)kdb_log.h 1.3 04/02/23 SMI" */
#include <iprop_hdr.h>
#include <iprop.h>
#include <limits.h>
#include "kdb.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* DB macros
*/
#define INDEX(ulog, i) (kdb_ent_header_t *)(void *) \
((char *)(ulog) + sizeof(kdb_hlog_t) + (i) * ulog->kdb_block)
/*
* Current DB version #
*/
#define KDB_VERSION 1
/*
* DB log states
*/
#define KDB_STABLE 1
#define KDB_UNSTABLE 2
#define KDB_CORRUPT 3
/*
* DB log constants
*/
#define KDB_ULOG_MAGIC 0x6661212
#define KDB_ULOG_HDR_MAGIC 0x6662323
/*
* Default ulog file attributes
*/
#define DEF_ULOGENTRIES 1000
#define ULOG_IDLE_TIME 10 /* in seconds */
/*
* Max size of update entry + update header
* We make this large since resizing can be costly.
*/
#define ULOG_BLOCK 2048 /* Default size of principal record */
#define MAXLOGLEN 0x10000000 /* 256 MB log file */
/*
* Prototype declarations
*/
krb5_error_code ulog_map(krb5_context context, const char *logname,
uint32_t entries);
krb5_error_code ulog_init_header(krb5_context context);
krb5_error_code ulog_add_update(krb5_context context, kdb_incr_update_t *upd);
krb5_error_code ulog_get_entries(krb5_context context, const kdb_last_t *last,
kdb_incr_result_t *ulog_handle);
krb5_error_code ulog_replay(krb5_context context, kdb_incr_result_t *incr_ret,
char **db_args);
krb5_error_code ulog_conv_2logentry(krb5_context context, krb5_db_entry *entry,
kdb_incr_update_t *update);
krb5_error_code ulog_conv_2dbentry(krb5_context context, krb5_db_entry **entry,
kdb_incr_update_t *update);
void ulog_free_entries(kdb_incr_update_t *updates, int no_of_updates);
krb5_error_code ulog_set_role(krb5_context ctx, iprop_role role);
update_status_t ulog_get_sno_status(krb5_context context,
const kdb_last_t *last);
krb5_error_code ulog_get_last(krb5_context context, kdb_last_t *last_out);
krb5_error_code ulog_set_last(krb5_context context, const kdb_last_t *last);
void ulog_fini(krb5_context context);
typedef struct kdb_hlog {
uint32_t kdb_hmagic; /* Log header magic # */
uint16_t db_version_num; /* Kerberos database version no. */
uint32_t kdb_num; /* # of updates in log */
kdbe_time_t kdb_first_time; /* Timestamp of first update */
kdbe_time_t kdb_last_time; /* Timestamp of last update */
kdb_sno_t kdb_first_sno; /* First serial # in the update log */
kdb_sno_t kdb_last_sno; /* Last serial # in the update log */
uint16_t kdb_state; /* State of update log */
uint16_t kdb_block; /* Block size of each element */
} kdb_hlog_t;
typedef struct kdb_ent_header {
uint32_t kdb_umagic; /* Update entry magic # */
kdb_sno_t kdb_entry_sno; /* Serial # of entry */
kdbe_time_t kdb_time; /* Timestamp of update */
bool_t kdb_commit; /* Is the entry committed or not */
uint32_t kdb_entry_size; /* Size of update entry */
uint8_t entry_data[4]; /* Address of kdb_incr_update_t */
} kdb_ent_header_t;
typedef struct _kdb_log_context {
iprop_role iproprole;
kdb_hlog_t *ulog;
uint32_t ulogentries;
int ulogfd;
} kdb_log_context;
#ifdef __cplusplus
}
#endif
#endif /* !_KDB_LOG_H */