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/* firewall_rules.h
* Produce ACL rules for various products from a packet.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 2006 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __UI_FIREWALL_RULES_H__
#define __UI_FIREWALL_RULES_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Rule types */
typedef enum {
RT_NONE,
RT_MAC_SRC,
RT_MAC_DST,
RT_IPv4_SRC,
RT_IPv4_DST,
RT_PORT_SRC,
RT_PORT_DST,
RT_IPv4_PORT_SRC,
RT_IPv4_PORT_DST,
NUM_RULE_TYPES
} rule_type_e;
/** Fetch the number of firewall products.
* @return The number of firewall products. Should be used as the index for
* the rest of the functions below.
*/
size_t firewall_product_count(void);
/** Product name
* Given an index, return the product name.
* @param product_idx Product index.
* @return Product name or "Unknown".
*/
const char *firewall_product_name(size_t product_idx);
/** Product rule hint
* Given an index, return the product's rule hint.
* @param product_idx Product index.
* @return Product rule hint, e.g. "Change le0 to a valid interface." or "".
*/
const char *firewall_product_rule_hint(size_t product_idx);
/** Comment prefix
* @param product_idx Product index.
* @return The comment prefix, e.g. "#" or an empty string.
*/
const char *firewall_product_comment_prefix(size_t product_idx);
/* Syntax function prototypes */
typedef void (*syntax_func)(GString *rtxt, gchar *addr, guint32 port, port_type ptype, gboolean inbound, gboolean deny);
/** MAC filter function
* @param product_idx Product index.
* @return A pointer to the MAC filter function or NULL.
*/
syntax_func firewall_product_mac_func(size_t product_idx);
/** IPv4 filter function
* @param product_idx Product index.
* @return A pointer to the IPv4 filter function or NULL.
*/
syntax_func firewall_product_ipv4_func(size_t product_idx);
/** Port filter function
* @param product_idx Product index.
* @return A pointer to the port filter function or NULL.
*/
syntax_func firewall_product_port_func(size_t product_idx);
/** IPv4+port filter function
* @param product_idx Product index.
* @return A pointer to the IPv4+port filter function or NULL.
*/
syntax_func firewall_product_ipv4_port_func(size_t product_idx);
/** Product inbound support
* Given an index, return the product's ability to support inbound rules.
* @param product_idx Product index.
* @return TRUE or FALSE.
*/
gboolean firewall_product_does_inbound(size_t product_idx);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __UI_FIREWALL_RULES_H__ */
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