netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT

Now that cttimeout support for nft_ct is in place, these should depend
on CONFIG_NF_CONNTRACK_TIMEOUT otherwise we can crash when dumping the
policy if this option is not enabled.

[   71.600121] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[...]
[   71.600141] CPU: 3 PID: 7612 Comm: nft Not tainted 4.18.0+ #246
[...]
[   71.600188] Call Trace:
[   71.600201]  ? nft_ct_timeout_obj_dump+0xc6/0xf0 [nft_ct]

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2018-08-31 12:36:01 +02:00
parent f94e63801a
commit a874752a10
8 changed files with 45 additions and 45 deletions

View File

@ -675,7 +675,7 @@ static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
}
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -728,7 +728,7 @@ dccp_timeout_nla_policy[CTA_TIMEOUT_DCCP_MAX+1] = {
[CTA_TIMEOUT_DCCP_CLOSING] = { .type = NLA_U32 },
[CTA_TIMEOUT_DCCP_TIMEWAIT] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
#ifdef CONFIG_SYSCTL
/* template, data assigned later */
@ -863,7 +863,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp4 = {
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = dccp_timeout_nlattr_to_obj,
.obj_to_nlattr = dccp_timeout_obj_to_nlattr,
@ -871,7 +871,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp4 = {
.obj_size = sizeof(unsigned int) * CT_DCCP_MAX,
.nla_policy = dccp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = dccp_init_net,
.get_net_proto = dccp_get_net_proto,
};
@ -896,7 +896,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp6 = {
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = dccp_timeout_nlattr_to_obj,
.obj_to_nlattr = dccp_timeout_obj_to_nlattr,
@ -904,7 +904,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp6 = {
.obj_size = sizeof(unsigned int) * CT_DCCP_MAX,
.nla_policy = dccp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = dccp_init_net,
.get_net_proto = dccp_get_net_proto,
};

View File

@ -70,7 +70,7 @@ static bool generic_new(struct nf_conn *ct, const struct sk_buff *skb,
return ret;
}
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -113,7 +113,7 @@ static const struct nla_policy
generic_timeout_nla_policy[CTA_TIMEOUT_GENERIC_MAX+1] = {
[CTA_TIMEOUT_GENERIC_TIMEOUT] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
#ifdef CONFIG_SYSCTL
static struct ctl_table generic_sysctl_table[] = {
@ -164,7 +164,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_generic =
.pkt_to_tuple = generic_pkt_to_tuple,
.packet = generic_packet,
.new = generic_new,
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = generic_timeout_nlattr_to_obj,
.obj_to_nlattr = generic_timeout_obj_to_nlattr,
@ -172,7 +172,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_generic =
.obj_size = sizeof(unsigned int),
.nla_policy = generic_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = generic_init_net,
.get_net_proto = generic_get_net_proto,
};

View File

@ -285,7 +285,7 @@ static void gre_destroy(struct nf_conn *ct)
nf_ct_gre_keymap_destroy(master);
}
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -334,7 +334,7 @@ gre_timeout_nla_policy[CTA_TIMEOUT_GRE_MAX+1] = {
[CTA_TIMEOUT_GRE_UNREPLIED] = { .type = NLA_U32 },
[CTA_TIMEOUT_GRE_REPLIED] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
static int gre_init_net(struct net *net, u_int16_t proto)
{
@ -367,7 +367,7 @@ static const struct nf_conntrack_l4proto nf_conntrack_l4proto_gre4 = {
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = gre_timeout_nlattr_to_obj,
.obj_to_nlattr = gre_timeout_obj_to_nlattr,
@ -375,7 +375,7 @@ static const struct nf_conntrack_l4proto nf_conntrack_l4proto_gre4 = {
.obj_size = sizeof(unsigned int) * GRE_CT_MAX,
.nla_policy = gre_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.net_id = &proto_gre_net_id,
.init_net = gre_init_net,
};

View File

@ -273,7 +273,7 @@ static unsigned int icmp_nlattr_tuple_size(void)
}
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -313,7 +313,7 @@ static const struct nla_policy
icmp_timeout_nla_policy[CTA_TIMEOUT_ICMP_MAX+1] = {
[CTA_TIMEOUT_ICMP_TIMEOUT] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
#ifdef CONFIG_SYSCTL
static struct ctl_table icmp_sysctl_table[] = {
@ -374,7 +374,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp =
.nlattr_to_tuple = icmp_nlattr_to_tuple,
.nla_policy = icmp_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = icmp_timeout_nlattr_to_obj,
.obj_to_nlattr = icmp_timeout_obj_to_nlattr,
@ -382,7 +382,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp =
.obj_size = sizeof(unsigned int),
.nla_policy = icmp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = icmp_init_net,
.get_net_proto = icmp_get_net_proto,
};

View File

@ -274,7 +274,7 @@ static unsigned int icmpv6_nlattr_tuple_size(void)
}
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -314,7 +314,7 @@ static const struct nla_policy
icmpv6_timeout_nla_policy[CTA_TIMEOUT_ICMPV6_MAX+1] = {
[CTA_TIMEOUT_ICMPV6_TIMEOUT] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
#ifdef CONFIG_SYSCTL
static struct ctl_table icmpv6_sysctl_table[] = {
@ -373,7 +373,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 =
.nlattr_to_tuple = icmpv6_nlattr_to_tuple,
.nla_policy = icmpv6_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = icmpv6_timeout_nlattr_to_obj,
.obj_to_nlattr = icmpv6_timeout_obj_to_nlattr,
@ -381,7 +381,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 =
.obj_size = sizeof(unsigned int),
.nla_policy = icmpv6_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = icmpv6_init_net,
.get_net_proto = icmpv6_get_net_proto,
};

View File

@ -591,7 +591,7 @@ static int nlattr_to_sctp(struct nlattr *cda[], struct nf_conn *ct)
}
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -646,7 +646,7 @@ sctp_timeout_nla_policy[CTA_TIMEOUT_SCTP_MAX+1] = {
[CTA_TIMEOUT_SCTP_HEARTBEAT_SENT] = { .type = NLA_U32 },
[CTA_TIMEOUT_SCTP_HEARTBEAT_ACKED] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
#ifdef CONFIG_SYSCTL
@ -780,7 +780,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp4 = {
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = sctp_timeout_nlattr_to_obj,
.obj_to_nlattr = sctp_timeout_obj_to_nlattr,
@ -788,7 +788,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp4 = {
.obj_size = sizeof(unsigned int) * SCTP_CONNTRACK_MAX,
.nla_policy = sctp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = sctp_init_net,
.get_net_proto = sctp_get_net_proto,
};
@ -813,7 +813,8 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 = {
.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,
.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,
.nla_policy = nf_ct_port_nla_policy,
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#endif
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = sctp_timeout_nlattr_to_obj,
.obj_to_nlattr = sctp_timeout_obj_to_nlattr,
@ -821,8 +822,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 = {
.obj_size = sizeof(unsigned int) * SCTP_CONNTRACK_MAX,
.nla_policy = sctp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = sctp_init_net,
.get_net_proto = sctp_get_net_proto,
};

View File

@ -1279,7 +1279,7 @@ static unsigned int tcp_nlattr_tuple_size(void)
}
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -1394,7 +1394,7 @@ static const struct nla_policy tcp_timeout_nla_policy[CTA_TIMEOUT_TCP_MAX+1] = {
[CTA_TIMEOUT_TCP_RETRANS] = { .type = NLA_U32 },
[CTA_TIMEOUT_TCP_UNACK] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
#ifdef CONFIG_SYSCTL
static struct ctl_table tcp_sysctl_table[] = {
@ -1558,7 +1558,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4 =
.nlattr_size = TCP_NLATTR_SIZE,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = tcp_timeout_nlattr_to_obj,
.obj_to_nlattr = tcp_timeout_obj_to_nlattr,
@ -1567,7 +1567,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4 =
TCP_CONNTRACK_TIMEOUT_MAX,
.nla_policy = tcp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = tcp_init_net,
.get_net_proto = tcp_get_net_proto,
};
@ -1593,7 +1593,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6 =
.nlattr_tuple_size = tcp_nlattr_tuple_size,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = tcp_timeout_nlattr_to_obj,
.obj_to_nlattr = tcp_timeout_obj_to_nlattr,
@ -1602,7 +1602,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6 =
TCP_CONNTRACK_TIMEOUT_MAX,
.nla_policy = tcp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = tcp_init_net,
.get_net_proto = tcp_get_net_proto,
};

View File

@ -171,7 +171,7 @@ static int udp_error(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb,
return NF_ACCEPT;
}
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
@ -221,7 +221,7 @@ udp_timeout_nla_policy[CTA_TIMEOUT_UDP_MAX+1] = {
[CTA_TIMEOUT_UDP_UNREPLIED] = { .type = NLA_U32 },
[CTA_TIMEOUT_UDP_REPLIED] = { .type = NLA_U32 },
};
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
#ifdef CONFIG_SYSCTL
static struct ctl_table udp_sysctl_table[] = {
@ -292,7 +292,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4 =
.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = udp_timeout_nlattr_to_obj,
.obj_to_nlattr = udp_timeout_obj_to_nlattr,
@ -300,7 +300,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4 =
.obj_size = sizeof(unsigned int) * CTA_TIMEOUT_UDP_MAX,
.nla_policy = udp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = udp_init_net,
.get_net_proto = udp_get_net_proto,
};
@ -321,7 +321,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4 =
.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = udp_timeout_nlattr_to_obj,
.obj_to_nlattr = udp_timeout_obj_to_nlattr,
@ -329,7 +329,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4 =
.obj_size = sizeof(unsigned int) * CTA_TIMEOUT_UDP_MAX,
.nla_policy = udp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = udp_init_net,
.get_net_proto = udp_get_net_proto,
};
@ -350,7 +350,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6 =
.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = udp_timeout_nlattr_to_obj,
.obj_to_nlattr = udp_timeout_obj_to_nlattr,
@ -358,7 +358,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6 =
.obj_size = sizeof(unsigned int) * CTA_TIMEOUT_UDP_MAX,
.nla_policy = udp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = udp_init_net,
.get_net_proto = udp_get_net_proto,
};
@ -379,7 +379,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 =
.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,
.nla_policy = nf_ct_port_nla_policy,
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
.ctnl_timeout = {
.nlattr_to_obj = udp_timeout_nlattr_to_obj,
.obj_to_nlattr = udp_timeout_obj_to_nlattr,
@ -387,7 +387,7 @@ const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 =
.obj_size = sizeof(unsigned int) * CTA_TIMEOUT_UDP_MAX,
.nla_policy = udp_timeout_nla_policy,
},
#endif /* CONFIG_NF_CT_NETLINK_TIMEOUT */
#endif /* CONFIG_NF_CONNTRACK_TIMEOUT */
.init_net = udp_init_net,
.get_net_proto = udp_get_net_proto,
};