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Driver: fortcout: Improve 127.0.0.1, 255.255.255.255 addresses handling

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Nodir Temirkhodjaev 2024-11-11 14:33:16 +05:00
parent 111b71cdfa
commit 008cdea18a
2 changed files with 22 additions and 16 deletions
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18
src/driver/common/fortconf.h
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@ -171,14 +171,16 @@ typedef struct fort_conf_rule_flag
typedef struct fort_conf_meta_conn
{
UCHAR is_reauth : 1;
UCHAR inbound : 1;
UCHAR isIPv6 : 1;
UCHAR is_tcp : 1;
UCHAR is_loopback : 1;
UCHAR is_local_net : 1;
UCHAR inherited : 1;
UCHAR blocked : 1;
UINT16 is_reauth : 1;
UINT16 inbound : 1;
UINT16 isIPv6 : 1;
UINT16 is_tcp : 1;
UINT16 is_loopback : 1;
UINT16 is_multicast : 1;
UINT16 is_local_net : 1;
UINT16 inherited : 1;
UINT16 blocked : 1;
UCHAR block_reason;
UCHAR ip_proto;

20
src/driver/fortcout.c
View File

@ -360,7 +360,7 @@ inline static BOOL fort_callout_ale_check_filter_lan_flags(
inline static BOOL fort_callout_ale_check_filter_inet_flags(
PFORT_CONF_META_CONN conn, FORT_CONF_FLAGS conf_flags)
{
if (conf_flags.block_inet_traffic) {
if (conf_flags.block_inet_traffic && !conn->is_multicast) {
return TRUE; /* block Internet */
}
@ -510,20 +510,24 @@ inline static BOOL fort_callout_ale_is_local_address(PFORT_CALLOUT_ARG ca,
{
PFORT_CONF_META_CONN conn = &cx->conn;
conn->is_loopback = (classify_flags & FWP_CONDITION_FLAG_IS_LOOPBACK) != 0;
if (conf_flags.filter_locals)
return FALSE;
/* Loopback */
if (!conn->is_loopback || conf_flags.block_traffic)
return FALSE;
conn->is_loopback = (classify_flags & FWP_CONDITION_FLAG_IS_LOOPBACK) != 0;
if (conn->is_loopback) {
return !conf_flags.block_traffic;
}
/* Multicast */
if (!fort_addr_is_local_multicast(conn) || conf_flags.block_lan_traffic)
return FALSE;
conn->is_multicast = (UINT16) fort_addr_is_local_multicast(conn);
return TRUE;
if (conn->is_multicast) {
return !conf_flags.block_lan_traffic;
}
return FALSE;
}
static void fort_callout_ale_classify(PFORT_CALLOUT_ARG ca)