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-rw-r--r--include/linux/netfilter_ipv4/ip_conntrack.h4
-rw-r--r--include/net/netfilter/nf_conntrack.h4
-rw-r--r--include/net/netfilter/nf_conntrack_compat.h26
-rw-r--r--net/ipv4/netfilter/Kconfig12
-rw-r--r--net/ipv4/netfilter/ip_conntrack_core.c3
-rw-r--r--net/ipv4/netfilter/ip_conntrack_standalone.c5
-rw-r--r--net/netfilter/Kconfig12
-rw-r--r--net/netfilter/nf_conntrack_core.c3
-rw-r--r--net/netfilter/nf_conntrack_standalone.c5
9 files changed, 74 insertions, 0 deletions
diff --git a/include/linux/netfilter_ipv4/ip_conntrack.h b/include/linux/netfilter_ipv4/ip_conntrack.h
index 17d7ef938a0915..e0e9951eb8c322 100644
--- a/include/linux/netfilter_ipv4/ip_conntrack.h
+++ b/include/linux/netfilter_ipv4/ip_conntrack.h
@@ -121,6 +121,10 @@ struct ip_conntrack
u_int32_t mark;
#endif
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+ u_int32_t secmark;
+#endif
+
/* Traversed often, so hopefully in different cacheline to top */
/* These are my tuples; original and reply */
struct ip_conntrack_tuple_hash tuplehash[IP_CT_DIR_MAX];
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index dbe7a114d0c5c9..41111781580749 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -114,6 +114,10 @@ struct nf_conn
u_int32_t mark;
#endif
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+ u_int32_t secmark;
+#endif
+
/* Storage reserved for other modules: */
union nf_conntrack_proto proto;
diff --git a/include/net/netfilter/nf_conntrack_compat.h b/include/net/netfilter/nf_conntrack_compat.h
index 3cac19fb36488c..f1b1482d7200a3 100644
--- a/include/net/netfilter/nf_conntrack_compat.h
+++ b/include/net/netfilter/nf_conntrack_compat.h
@@ -20,6 +20,19 @@ static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb,
}
#endif /* CONFIG_IP_NF_CONNTRACK_MARK */
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+static inline u_int32_t *nf_ct_get_secmark(const struct sk_buff *skb,
+ u_int32_t *ctinfo)
+{
+ struct ip_conntrack *ct = ip_conntrack_get(skb, ctinfo);
+
+ if (ct)
+ return &ct->secmark;
+ else
+ return NULL;
+}
+#endif /* CONFIG_IP_NF_CONNTRACK_SECMARK */
+
#ifdef CONFIG_IP_NF_CT_ACCT
static inline struct ip_conntrack_counter *
nf_ct_get_counters(const struct sk_buff *skb)
@@ -70,6 +83,19 @@ static inline u_int32_t *nf_ct_get_mark(const struct sk_buff *skb,
}
#endif /* CONFIG_NF_CONNTRACK_MARK */
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+static inline u_int32_t *nf_ct_get_secmark(const struct sk_buff *skb,
+ u_int32_t *ctinfo)
+{
+ struct nf_conn *ct = nf_ct_get(skb, ctinfo);
+
+ if (ct)
+ return &ct->secmark;
+ else
+ return NULL;
+}
+#endif /* CONFIG_NF_CONNTRACK_MARK */
+
#ifdef CONFIG_NF_CT_ACCT
static inline struct ip_conntrack_counter *
nf_ct_get_counters(const struct sk_buff *skb)
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index ff4b118f14a91f..e1d7f5fbc52634 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -55,6 +55,18 @@ config IP_NF_CONNTRACK_MARK
of packets, but this mark value is kept in the conntrack session
instead of the individual packets.
+config IP_NF_CONNTRACK_SECMARK
+ bool 'Connection tracking security mark support'
+ depends on IP_NF_CONNTRACK && NETWORK_SECMARK
+ help
+ This option enables security markings to be applied to
+ connections. Typically they are copied to connections from
+ packets using the CONNSECMARK target and copied back from
+ connections to packets with the same target, with the packets
+ being originally labeled via SECMARK.
+
+ If unsure, say 'N'.
+
config IP_NF_CONNTRACK_EVENTS
bool "Connection tracking events (EXPERIMENTAL)"
depends on EXPERIMENTAL && IP_NF_CONNTRACK
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 4fe9e69378dfce..7e4cf9a4d15f85 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -724,6 +724,9 @@ init_conntrack(struct ip_conntrack_tuple *tuple,
/* this is ugly, but there is no other place where to put it */
conntrack->nat.masq_index = exp->master->nat.masq_index;
#endif
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+ conntrack->secmark = exp->master->secmark;
+#endif
nf_conntrack_get(&conntrack->master->ct_general);
CONNTRACK_STAT_INC(expect_new);
} else {
diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c
index 6cb9b989d14cae..88445aac3f280c 100644
--- a/net/ipv4/netfilter/ip_conntrack_standalone.c
+++ b/net/ipv4/netfilter/ip_conntrack_standalone.c
@@ -189,6 +189,11 @@ static int ct_seq_show(struct seq_file *s, void *v)
return -ENOSPC;
#endif
+#ifdef CONFIG_IP_NF_CONNTRACK_SECMARK
+ if (seq_printf(s, "secmark=%u ", conntrack->secmark))
+ return -ENOSPC;
+#endif
+
if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))
return -ENOSPC;
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 10eccdd4d6eab3..023f81e5f96bda 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -60,6 +60,18 @@ config NF_CONNTRACK_MARK
of packets, but this mark value is kept in the conntrack session
instead of the individual packets.
+config NF_CONNTRACK_SECMARK
+ bool 'Connection tracking security mark support'
+ depends on NF_CONNTRACK && NETWORK_SECMARK
+ help
+ This option enables security markings to be applied to
+ connections. Typically they are copied to connections from
+ packets using the CONNSECMARK target and copied back from
+ connections to packets with the same target, with the packets
+ being originally labeled via SECMARK.
+
+ If unsure, say 'N'.
+
config NF_CONNTRACK_EVENTS
bool "Connection tracking events (EXPERIMENTAL)"
depends on EXPERIMENTAL && NF_CONNTRACK
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index bc2bd4c3859eb2..cd299f4b7db198 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -990,6 +990,9 @@ init_conntrack(const struct nf_conntrack_tuple *tuple,
#ifdef CONFIG_NF_CONNTRACK_MARK
conntrack->mark = exp->master->mark;
#endif
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+ conntrack->secmark = exp->master->secmark;
+#endif
nf_conntrack_get(&conntrack->master->ct_general);
NF_CT_STAT_INC(expect_new);
} else
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index e01d20d8e28720..e34c574f035133 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -213,6 +213,11 @@ static int ct_seq_show(struct seq_file *s, void *v)
return -ENOSPC;
#endif
+#ifdef CONFIG_NF_CONNTRACK_SECMARK
+ if (seq_printf(s, "secmark=%u ", conntrack->secmark))
+ return -ENOSPC;
+#endif
+
if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))
return -ENOSPC;
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-07 16:17:45 +0000