diff --git a/include/linux/netfilter_ipv4/ip_conntrack.h b/include/linux/netfilter_ipv4/ip_conntrack.h index 17d7ef938a0..e0e9951eb8c 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 dbe7a114d0c..41111781580 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 3cac19fb364..f1b1482d720 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 ff4b118f14a..e1d7f5fbc52 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 4fe9e69378d..7e4cf9a4d15 100644 --- a/net/ipv4/netfilter/ip_conntrack_core.c +++ b/net/ipv4/netfilter/ip_conntrack_core.c @@ -723,6 +723,9 @@ init_conntrack(struct ip_conntrack_tuple *tuple, defined(CONFIG_IP_NF_TARGET_MASQUERADE_MODULE) /* 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); diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c index 6cb9b989d14..88445aac3f2 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 10eccdd4d6e..023f81e5f96 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 bc2bd4c3859..cd299f4b7db 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -989,6 +989,9 @@ init_conntrack(const struct nf_conntrack_tuple *tuple, conntrack->master = exp->master; #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); diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index e01d20d8e28..e34c574f035 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;