/*
* gracefully shut down database--must be called by ANY program that does
* a krb5_db2_init
*/
krb5_error_code
krb5_db2_fini(krb5_context context)
{
krb5_error_code retval = 0;
krb5_db2_context *db_ctx;
db_ctx = context->dal_handle->db_context;
if (k5db2_inited(context)) {
if (close(db_ctx->db_lf_file))
retval = errno;
else
retval = 0;
}
if (db_ctx) {
if (db_ctx->policy_db) {
retval =
osa_adb_fini_db(db_ctx->policy_db, OSA_ADB_POLICY_DB_MAGIC);
if (retval)
return retval;
}
k5db2_clear_context(db_ctx);
free(context->dal_handle->db_context);
context->dal_handle->db_context = NULL;
}
return retval;
}
static void
ctx_fini(krb5_db2_context *dbc)
{
if (dbc->db_lf_file != -1)
(void) close(dbc->db_lf_file);
if (dbc->policy_db)
(void) osa_adb_fini_db(dbc->policy_db, OSA_ADB_POLICY_DB_MAGIC);
ctx_clear(dbc);
free(dbc);
}
krb5_error_code
osa_adb_rename_db(char *filefrom, char *lockfrom, char *fileto, char *lockto,
int magic)
{
osa_adb_db_t fromdb, todb;
krb5_error_code ret;
/* make sure todb exists */
if ((ret = osa_adb_create_db(fileto, lockto, magic)) &&
ret != EEXIST)
return ret;
if ((ret = osa_adb_init_db(&fromdb, filefrom, lockfrom, magic)))
return ret;
if ((ret = osa_adb_init_db(&todb, fileto, lockto, magic))) {
(void) osa_adb_fini_db(fromdb, magic);
return ret;
}
if ((ret = osa_adb_get_lock(fromdb, KRB5_DB_LOCKMODE_PERMANENT))) {
(void) osa_adb_fini_db(fromdb, magic);
(void) osa_adb_fini_db(todb, magic);
return ret;
}
if ((ret = osa_adb_get_lock(todb, KRB5_DB_LOCKMODE_PERMANENT))) {
(void) osa_adb_fini_db(fromdb, magic);
(void) osa_adb_fini_db(todb, magic);
return ret;
}
if ((rename(filefrom, fileto) < 0)) {
(void) osa_adb_fini_db(fromdb, magic);
(void) osa_adb_fini_db(todb, magic);
return errno;
}
/*
* Do not release the lock on fromdb because it is being renamed
* out of existence; no one can ever use it again.
*/
if ((ret = osa_adb_release_lock(todb))) {
(void) osa_adb_fini_db(fromdb, magic);
(void) osa_adb_fini_db(todb, magic);
return ret;
}
(void) osa_adb_fini_db(fromdb, magic);
(void) osa_adb_fini_db(todb, magic);
return 0;
}
