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Diffstat (limited to 'libqpol/include/qpol/netifcon_query.h')
| -rw-r--r-- | libqpol/include/qpol/netifcon_query.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/libqpol/include/qpol/netifcon_query.h b/libqpol/include/qpol/netifcon_query.h new file mode 100644 index 0000000..b35c914 --- /dev/null +++ b/libqpol/include/qpol/netifcon_query.h @@ -0,0 +1,104 @@ +/** + * @file + * Defines the public interface for searching and iterating over netifcon statements. + * + * @author Kevin Carr kcarr@tresys.com + * @author Jeremy A. Mowery jmowery@tresys.com + * @author Jason Tang jtang@tresys.com + * + * Copyright (C) 2006-2007 Tresys Technology, LLC + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef QPOL_NETIFCON_QUERY_H +#define QPOL_NETIFCON_QUERY_H + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <stddef.h> +#include <stdint.h> +#include <qpol/iterator.h> +#include <qpol/policy.h> + + typedef struct qpol_netifcon qpol_netifcon_t; + +/** + * Get a netifcon statement by interface name. + * @param policy The policy from which to get the netifcon statement. + * @param name The name of the interface. + * @param ocon Pointer in which to store the statement returned. + * The caller should not free this pointer. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *ocon will be NULL. + */ + extern int qpol_policy_get_netifcon_by_name(const qpol_policy_t * policy, const char *name, const qpol_netifcon_t ** ocon); + +/** + * Get an iterator for the netifcon statements in a policy. + * @param policy The policy from which to create the iterator. + * @param iter Iterator over items of type qpol_netifcon_t returned. + * The caller is responsible for calling qpol_iterator_destroy + * to free memory used by this iterator. + * It is important to note that this iterator is only valid as long + * as the policy is unmodified. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *iter will be NULL. + */ + extern int qpol_policy_get_netifcon_iter(const qpol_policy_t * policy, qpol_iterator_t ** iter); + +/** + * Get the name of the interface from a netifcon statement. + * @param policy The policy associated wiht the netifcon statement. + * @param ocon The netifcon statement from which to get the name. + * @param name Pointer in which to store the interface name. The caller + * should not free this string. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *name will be NULL. + */ + extern int qpol_netifcon_get_name(const qpol_policy_t * policy, const qpol_netifcon_t * ocon, const char **name); + +/** + * Get the message context from a netifcon statement. + * @param policy The policy associated with the netifcon statement. + * @param ocon The netifcon statement from which to get the message context. + * @parma context Pointer in which to store the context. + * The caller should not free this pointer. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *context will be NULL. + */ + extern int qpol_netifcon_get_msg_con(const qpol_policy_t * policy, const qpol_netifcon_t * ocon, + const qpol_context_t ** context); + +/** + * Get the interface context from a netifcon statement. + * @param policy The policy associated with the netifcon statement. + * @param ocon The netifcon statement from which to get the interface context. + * @parma context Pointer in which to store the context. + * The caller should not free this pointer. + * @return 0 on success and < 0 on failure; if the call fails, + * errno will be set and *context will be NULL. + */ + extern int qpol_netifcon_get_if_con(const qpol_policy_t * policy, const qpol_netifcon_t * ocon, + const qpol_context_t ** context); + +#ifdef __cplusplus +} +#endif + +#endif /* QPOL_NETIFCON_QUERY_H */ |