756 lines
19 KiB
C
756 lines
19 KiB
C
/* ipfirewall.h - Public API of Wind River Firewall */
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/*
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******************************************************************************
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* INTERPEAK API HEADER FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipfirewall.h,v $ $Revision: 1.41 $
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* $Source: /home/interpeak/CVSRoot/ipfirewall/include/ipfirewall.h,v $
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* $Author: ulf $ $Date: 2010-09-09 08:55:27 $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Markus Carlstedt <markus@interpeak.se>
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******************************************************************************
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*/
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#ifndef IPFIREWALL_H
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#define IPFIREWALL_H
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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* Public header file.
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*/
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/*
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DESCRIPTION
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This library contains the APIs used for configuration of Wind River Firewall.
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#include "ipfirewall_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#include <ipcom_type.h>
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#include <ipcom_cstyle.h>
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#include <ipcom_sock.h>
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#include <ipcom_netif.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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/*
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*===========================================================================
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* release
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*===========================================================================
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*/
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#define IPFIREWALL_RELEASE 60701
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/*
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*===========================================================================
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* IPFIREWALL_USERDEF_ID_SIZE
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*===========================================================================
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* The maximum length of the user defined function identifier
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*
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*/
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#define IPFIREWALL_USERDEF_ID_SIZE 32
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/*
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*===========================================================================
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* IPFIREWALL_USERDEF_PARAM_SIZE
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*===========================================================================
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* The maximum length of the user defined function parameter string
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*
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*/
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#define IPFIREWALL_USERDEF_PARAM_SIZE 64
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/*
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*===========================================================================
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* IPFIREWALL_USERDEF_INFO_SIZE
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*===========================================================================
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* The length of the user defined information buffer size
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*
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*/
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#define IPFIREWALL_USERDEF_INFO_SIZE 256
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/*
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*===========================================================================
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* IPFIREWALL_USERDEF_EXAMPLE_ID
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*===========================================================================
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* User defined function identifier for the user defined exampl.
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*/
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#define IPFIREWALL_USERDEF_EXAMPLE_ID "userdef_example"
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/*
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*===========================================================================
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* IPFIREWALL_HTTP_FILTER_ID
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*===========================================================================
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* User defined function identifier for the HTTP filter.
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*/
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#define IPFIREWALL_HTTP_FILTER_ID "http_filter"
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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/*
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*===========================================================================
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* Ipfirewall_userdef_match
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*===========================================================================
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* Description: User defined match function
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*
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* Parameters: pkt - pointer to the ipcom packet
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* cookie - a cookie set at registration.
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* info - user defined info buffer
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*
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* Returns: 1 = rule matched.
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* 0 = rule did not match.
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*
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*/
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typedef int (* Ipfirewall_userdef_match) (Ipcom_pkt *pkt, void *cookie, void *info);
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/*
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*===========================================================================
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* Ipfirewall_userdef_check
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*===========================================================================
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* Description: User defined check function (optional)
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*
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* cookie - a cookie set at registration.
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* info - parameter string specified in the rule syntax
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* infolen - length if user defined info buffer
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*
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* Returns: 1 = rule parameters accepted
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* 0 = rule parameters not accepted
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*
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*/
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typedef int (* Ipfirewall_userdef_check) (void *cookie, void *info, unsigned int infolen);
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/*
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*===========================================================================
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* Ipfirewall_userdef_destroy
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*===========================================================================
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* Description: User defined destroy function (optional)
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*
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* cookie - a cookie set at registration.
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* info - parameter string specified in the rule syntax
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* infolen - length if user defined info buffer
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*
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* Returns:
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*
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*/
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typedef void (* Ipfirewall_userdef_destroy) (void *cookie, void *info, unsigned int infolen);
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/*
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****************************************************************************
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* 6 FUNCTIONS
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****************************************************************************
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*/
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IP_PUBLIC Ip_s32 ipfirewall_mac_input_hook(Ipcom_netif *netif, Ipcom_pkt *pkt);
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IP_PUBLIC Ip_s32 ipfirewall_mac_output_hook(Ipcom_netif *netif, Ipcom_pkt *pkt);
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IP_PUBLIC Ip_s32 ipfirewall_input_hook(Ipcom_netif *netif, Ipcom_pkt *pkt);
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IP_PUBLIC Ip_s32 ipfirewall_output_hook(Ipcom_netif *netif, Ipcom_pkt *pkt);
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IP_PUBLIC int ipfirewall_userdef_match(Ipcom_pkt *pkt, void *cookie, void *info);
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IP_PUBLIC int ipfirewall_userdef_check(void *cookie, void *info, unsigned int infolen);
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IP_PUBLIC void ipfirewall_userdef_destroy(void *cookie, void *info, unsigned int infolen);
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IP_PUBLIC Ip_s32 ipfirewall_getsockopt(void *sock, int optname, void *optval, Ip_socklen_t *optlen);
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IP_PUBLIC Ip_s32 ipfirewall_setsockopt(void *sock, int optname, IP_CONST void *optval,Ip_socklen_t optlen);
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IP_PUBLIC int ipfirewall_http_match(Ipcom_pkt *pkt, void *cookie, void *info);
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IP_PUBLIC int ipfirewall_http_check(void *cookie, void *info, unsigned int infolen);
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IP_PUBLIC void ipfirewall_http_destroy(void *cookie, void *info, unsigned int infolen);
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/*******************************************************************************
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*
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* ipfirewall_enable - enable firewall
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*
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* The 'ipfirewall_enable()' routine enables the firewall. When enabled, each
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* incoming and outgoing packet is matched against the current ruleset.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or one of the following errors:
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* \i 'IPCOM_ERR_ALREADY_OPEN'
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* Firewall was already enabled.
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* \i 'IPCOM_ERR_FAILED'
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* Failed to enable the firewall.
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* \i 'IPCOM_ERR_NO_MEMORY'
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* Out of memory.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_enable(void);
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/*******************************************************************************
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*
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* ipfirewall_disable - disable firewall
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*
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* The ipfirewall_disable() routine disables the firewall. When disabled, packet
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* matching against the current ruleset is skipped.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or one of the following errors:
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* \i 'IPCOM_ERR_ALREADY_CLOSED'
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* Firewall was already disabled.
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* \i 'IPCOM_ERR_FAILED'
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* Failed to disable the firewall.
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* \i 'IPCOM_ERR_NO_MEMORY'
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* Out of memory.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_disable(void);
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/*******************************************************************************
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*
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* ipfirewall_add_rule - add an IP filter rule
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*
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* The ipfirewall_add_rule() routine adds an IP filter rule to the current
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* ruleset.
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*
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* Parameters:
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* \is
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* \i <family>
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* The Internet address family that the IP filter rule applies to.
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* Set to IP_AF_INET or IP_AF_INET6.
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* \i <rule>
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* The rule to add.
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* \ie
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or one of the following errors:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to add the rule.
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* \i 'IPCOM_ERR_NO_MEMORY'
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* Out of memory.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_add_rule
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(
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Ip_s32 family,
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const char *rule
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);
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/*******************************************************************************
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*
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* ipfirewall_remove_rule - remove an IP filter rule
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*
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* The ipfirewall_remove_rule() routine removes an IP filer rule from the current
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* ruleset
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*
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* Parameters:
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* \is
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* \i <family>
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* The Internet address family that the IP filter rule applies to.
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* Set to IP_AF_INET or IP_AF_INET6.
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* \i <rule>
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* The rule to remove.
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* \ie
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or one of the following errors:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to add the rule.
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* \i 'IPCOM_ERR_NO_MEMORY'
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* Out of memory.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_remove_rule
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(
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Ip_s32 family,
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const char *rule
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);
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/*******************************************************************************
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*
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* ipfirewall_flush_rules - remove all IP filter rules
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*
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* The ipfirewall_flush_rules() routine flushes all IP filter rules in the
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* current ruleset.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or the following error:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush rules.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_flush_rules(void);
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/*******************************************************************************
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*
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* ipfirewall_flush_group - remove all rules in a group
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*
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* This routine removes all rules in the current <group>.
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*
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* Parameter:
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* \is
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* \i <group>
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* The group to flush rules in.
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* \ie
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*
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* RETURNS: 'IPCOM_SUCCESS', or the following error:
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* \is
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush rules in the <group>.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_flush_group
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(
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Ip_s32 group
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);
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/*******************************************************************************
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*
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* ipfirewall_flush_states - remove all active states
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*
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* The ipfirewall_flush_states() routine removes all active states added by
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* stateful IP filter rules.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or the following error:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush states.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_flush_states(void);
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/*******************************************************************************
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*
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* ipfirewall_flush_log - remove all entries in the IP filter log
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*
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* The ipfirewall_flush_log() routine removes all entries in the IP filter log.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or the following error:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush log.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_flush_log(void);
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/*******************************************************************************
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*
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* ipfirewall_mac_add_rule - add a MAC filter rule
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*
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* The ipfirewall_mac_add_rule() routine adds a MAC filter rule to the current
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* ruleset
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*
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* Parameters:
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* \is
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* \i <rule>
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* The rule to add.
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* \ie
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or one of the following errors:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to add the rule.
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* \i 'IPCOM_ERR_NO_MEMORY'
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* Out of memory.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_mac_add_rule
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(
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const char *rule
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);
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/*******************************************************************************
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*
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* ipfirewall_mac_remove_rule - remove a MAC filter rule
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*
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* The ipfirewall_mac_remove_rule() routine removes a MAC filer rule from the
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* current ruleset
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*
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* Parameters:
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* \is
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* \i <rule>
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* The rule to remmove.
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* \ie
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or one of the following errors:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to add the rule.
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* \i 'IPCOM_ERR_NO_MEMORY'
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* Out of memory.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_mac_remove_rule
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(
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const char *rule
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);
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/*******************************************************************************
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*
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* ipfirewall_mac_flush_rules - remove all MAC filter rules
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*
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* The ipfirewall_mac_flush_rules() routine removes all MAC filter rules in the
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* current ruleset.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or the following error:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush rules.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_mac_flush_rules(void);
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/*******************************************************************************
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*
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* ipfirewall_mac_flush_group - remove all MAC filter rules in a group
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*
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* The ipfirewall_mac_flush_rules() routine removes all MAC filter rules in a
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* specified group.
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*
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* Parameter:
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* \is
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* \i <group>
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* The group from which the MAC filter rules are to be removed.
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* \ie
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or the following error:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush rules in the group
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_mac_flush_group
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(
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Ip_s32 group
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);
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/*******************************************************************************
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*
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* ipfirewall_mac_flush_log - remove all entries in the MAC filter log
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*
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* The ipfirewall_mac_flush_log() routine removes all entries in the MAC filter
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* log.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or the following error:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush log.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_mac_flush_log(void);
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/*******************************************************************************
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*
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* ipfirewall_flush_userdefs - remove all user-defined routines
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*
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* The ipfirewall_flush_userdefs() routine removes all registered user-defined
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* routines.
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*
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* RETURNS: \is
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* \i 'IPCOM_SUCCESS' or the following error:
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* \i 'IPCOM_ERR_FAILED'
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* Failed to flush user-defined routines.
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* \ie
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_flush_userdefs(void);
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/*******************************************************************************
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*
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* ipfirewall_register_userdef - register a user-defined function
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*
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* This routine registers a user-defined function for use with the <userdef> rule
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* parameter. Before a user-defined function can be specified in a rule it must
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* be registered with this routine.
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*
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* Parameters:
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* \is
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* \i <id>
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* An identifier for the user-defined function.
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* \i <match>
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* A pointer to a user-defined match routine.
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* \i <check>
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* A pointer to a user-defined check routine (optional).
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* \i <destroy>
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* A pointer to a user-defined destroy routine (optional).
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* \i <cookie>
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* A cookie that will be supplied in the calls to the user-defined function's
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* match, destroy and check routines.
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* \ie
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*
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* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_register_userdef
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(
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IP_CONST char *id,
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Ipfirewall_userdef_match match,
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Ipfirewall_userdef_check check,
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Ipfirewall_userdef_destroy destroy,
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void *cookie
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);
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/*******************************************************************************
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*
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* ipfirewall_unregister_userdef - deregister a user-defined function
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*
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* This routine deregisters a user-defined routine.
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*
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* Parameter:
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* \is
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* \i <id>
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* Identifier of the user-defined function.
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* \ie
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*
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* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
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*
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* ERRNO:
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*/
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IP_PUBLIC Ip_err ipfirewall_unregister_userdef
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(
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IP_CONST char *id
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);
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|
|
/*******************************************************************************
|
|
*
|
|
* ipfirewall_http_add_filter - add an HTTP filter
|
|
*
|
|
* This routine adds an HTTP filter.
|
|
*
|
|
* Parameter:
|
|
* \is
|
|
* \i <id>
|
|
* The ID of the HTTP filter to add.
|
|
* \ie
|
|
*
|
|
* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
|
|
*
|
|
* ERRNO:
|
|
*/
|
|
IP_PUBLIC Ip_err ipfirewall_http_add_filter
|
|
(
|
|
const char *id
|
|
);
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* ipfirewall_http_remove_filter - remove an HTTP filter
|
|
*
|
|
* This routine removes an HTTP filter, if there is no IP filter rule that refers
|
|
* to the filter. It fails if there is. To remove an IP filter rule, use
|
|
* ipfirewall_remove_rule().
|
|
*
|
|
* Parameter:
|
|
* \is
|
|
* \i <id>
|
|
* The ID of the HTTP filter to remove.
|
|
* \ie
|
|
*
|
|
* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
|
|
*
|
|
* ERRNO:
|
|
*/
|
|
IP_PUBLIC Ip_err ipfirewall_http_remove_filter
|
|
(
|
|
const char *id
|
|
);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* ipfirewall_http_insert_url_filter - add a URL or keyword to an HTTP filter
|
|
*
|
|
* This routine adds a URL or keyword to an HTTP filter.
|
|
*
|
|
* Parameters:
|
|
* \is
|
|
* \i <id>
|
|
* The ID of the HTTP filter.
|
|
* \i <url>
|
|
* The URL path or keyword.
|
|
* \i <keyword>
|
|
* Set to 'IP_TRUE' for keyword.
|
|
* \ie
|
|
*
|
|
* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
|
|
*
|
|
* ERRNO:
|
|
*/
|
|
IP_PUBLIC Ip_err ipfirewall_http_insert_url_filter
|
|
(
|
|
const char *id,
|
|
const char *url,
|
|
Ip_bool keyword
|
|
);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* ipfirewall_http_insert_proxy_filter - set proxy filter in an HTTP filter
|
|
*
|
|
* This routine inserts the proxy filter into an HTTP filter.
|
|
*
|
|
* Parameter:
|
|
* \is
|
|
* \i <id>
|
|
* The ID of the HTTP filter.
|
|
* \ie
|
|
*
|
|
* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
|
|
*
|
|
* ERRNO:
|
|
*/
|
|
IP_PUBLIC Ip_err ipfirewall_http_insert_proxy_filter
|
|
(
|
|
const char *id
|
|
);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* ipfirewall_http_insert_cookie_filter - set cookie filter in an HTTP filter
|
|
*
|
|
* This routine inserts the cookie filter into an HTTP filter.
|
|
*
|
|
* Parameter:
|
|
* \is
|
|
* \i <id>
|
|
* The ID of the HTTP filter.
|
|
* \ie
|
|
*
|
|
* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
|
|
*
|
|
* ERRNO:
|
|
*/
|
|
IP_PUBLIC Ip_err ipfirewall_http_insert_cookie_filter
|
|
(
|
|
const char *id
|
|
);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* ipfirewall_http_insert_java_filter - set Java filter in an HTTP filter
|
|
*
|
|
* This routine inserts the java filter into an HTTP filter.
|
|
*
|
|
* Parameter:
|
|
* \is
|
|
* \i <id>
|
|
* The ID of the HTTP filter.
|
|
* \ie
|
|
*
|
|
* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
|
|
*
|
|
* ERRNO:
|
|
*/
|
|
IP_PUBLIC Ip_err ipfirewall_http_insert_java_filter
|
|
(
|
|
const char *id
|
|
);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* ipfirewall_http_insert_activex_filter - set ActiveX filter in an HTTP filter
|
|
*
|
|
* This routine inserts the ActiveX filter into an HTTP filter.
|
|
*
|
|
* Parameters
|
|
* \is
|
|
* \i <id>
|
|
* The ID of the HTTP filter.
|
|
* \ie
|
|
*
|
|
* RETURNS: Either 'IPCOM_SUCCESS' or an error code (see 'ipcom_err.h').
|
|
*
|
|
* ERRNO:
|
|
*/
|
|
IP_PUBLIC Ip_err ipfirewall_http_insert_activex_filter
|
|
(
|
|
const char *id
|
|
);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
****************************************************************************
|
|
* END OF FILE
|
|
****************************************************************************
|
|
*/
|