/*
* Fetch the current history key(s), creating the history principal if
* necessary. Database created since krb5 1.3 will have only one key, but
* databases created before that may have multiple keys (of the same kvno)
* and we need to try them all. History keys will be returned in a list
* terminated by an entry with enctype 0.
*/
krb5_error_code
kdb_get_hist_key(kadm5_server_handle_t handle, krb5_keyblock **keyblocks_out,
krb5_kvno *kvno_out)
{
krb5_error_code ret;
krb5_db_entry *kdb;
krb5_keyblock *mkey, *kblist = NULL;
krb5_int16 i;
/* Fetch the history principal, creating it if necessary. */
ret = kdb_get_entry(handle, hist_princ, &kdb, NULL);
if (ret == KADM5_UNK_PRINC) {
ret = create_hist(handle);
if (ret)
return ret;
ret = kdb_get_entry(handle, hist_princ, &kdb, NULL);
}
if (ret)
return ret;
if (kdb->n_key_data <= 0) {
ret = KRB5_KDB_NO_MATCHING_KEY;
k5_setmsg(handle->context, ret,
_("History entry contains no key data"));
goto done;
}
ret = krb5_dbe_find_mkey(handle->context, kdb, &mkey);
if (ret)
goto done;
kblist = k5calloc(kdb->n_key_data + 1, sizeof(*kblist), &ret);
if (kblist == NULL)
goto done;
for (i = 0; i < kdb->n_key_data; i++) {
ret = krb5_dbe_decrypt_key_data(handle->context, mkey,
&kdb->key_data[i], &kblist[i],
NULL);
if (ret)
goto done;
}
*keyblocks_out = kblist;
kblist = NULL;
*kvno_out = kdb->key_data[0].key_data_kvno;
done:
kdb_free_entry(handle, kdb, NULL);
kdb_free_keyblocks(handle, kblist);
return ret;
}
/* Write a principal's metadata. */
static krb5_error_code
princ_meta(struct rec_args *args, const char *name, krb5_db_entry *dbe)
{
int got_adb = 0;
char *modby;
krb5_kvno mkvno;
const char *policy;
krb5_principal mod_princ = NULL;
krb5_timestamp mod_time, last_pwd;
krb5_error_code ret;
osa_princ_ent_rec adb;
struct rechandle *h = args->rh;
memset(&adb, 0, sizeof(adb));
if (startrec(h) < 0)
return errno;
if (writefield(h, "%s", name) < 0)
return errno;
ret = krb5_dbe_lookup_last_pwd_change(util_context, dbe, &last_pwd);
if (ret)
return ret;
ret = krb5_dbe_get_mkvno(util_context, dbe, &mkvno);
if (ret)
return ret;
ret = krb5_dbe_lookup_mod_princ_data(util_context, dbe, &mod_time,
&mod_princ);
if (ret)
return ret;
ret = krb5_unparse_name(util_context, mod_princ, &modby);
krb5_free_principal(util_context, mod_princ);
if (ret)
return ret;
ret = writefield(h, "%s", modby);
krb5_free_unparsed_name(util_context, modby);
if (ret < 0)
return errno;
if (write_date(args, mod_time) < 0)
return errno;
if (write_date(args, last_pwd) < 0)
return errno;
got_adb = get_adb(dbe, &adb);
if (got_adb && adb.policy != NULL)
policy = adb.policy;
else
policy = "";
ret = writefield(h, "%s", policy);
if (ret < 0) {
ret = errno;
goto cleanup;
}
if (writefield(h, "%d", mkvno) < 0) {
ret = errno;
goto cleanup;
}
if (writefield(h, "%d", adb.admin_history_kvno) < 0) {
ret = errno;
goto cleanup;
}
if (endrec(h) < 0)
ret = errno;
else
ret = 0;
cleanup:
kdb_free_entry(NULL, NULL, &adb);
return ret;
}
