From: Gao feng Date: Mon, 28 May 2012 21:04:23 +0000 (+0000) Subject: netfilter: nf_conntrack: add namespace support for cttimeout X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8264deb81853462da5cbcfb19b54c4fd9f3d88ba;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git netfilter: nf_conntrack: add namespace support for cttimeout This patch adds namespace support for cttimeout. Acked-by: Eric W. Biederman Signed-off-by: Gao feng Signed-off-by: Pablo Neira Ayuso --- diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h index cfa2f89b031d..81c52b5205f2 100644 --- a/include/net/netfilter/nf_conntrack_l4proto.h +++ b/include/net/netfilter/nf_conntrack_l4proto.h @@ -87,7 +87,8 @@ struct nf_conntrack_l4proto { #if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT) struct { size_t obj_size; - int (*nlattr_to_obj)(struct nlattr *tb[], void *data); + int (*nlattr_to_obj)(struct nlattr *tb[], + struct net *net, void *data); int (*obj_to_nlattr)(struct sk_buff *skb, const void *data); unsigned int nlattr_max; diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c index 2bca7a5e422b..041923cb67ad 100644 --- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c +++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c @@ -279,16 +279,18 @@ static int icmp_nlattr_tuple_size(void) #include #include -static int icmp_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int icmp_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeout = data; + struct nf_icmp_net *in = icmp_pernet(net); if (tb[CTA_TIMEOUT_ICMP_TIMEOUT]) { *timeout = ntohl(nla_get_be32(tb[CTA_TIMEOUT_ICMP_TIMEOUT])) * HZ; } else { /* Set default ICMP timeout. */ - *timeout = nf_ct_icmp_timeout; + *timeout = in->timeout; } return 0; } diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c index 1b7818f15f3d..63ed0121836c 100644 --- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c +++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c @@ -286,16 +286,18 @@ static int icmpv6_nlattr_tuple_size(void) #include #include -static int icmpv6_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int icmpv6_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeout = data; + struct nf_icmp_net *in = icmpv6_pernet(net); if (tb[CTA_TIMEOUT_ICMPV6_TIMEOUT]) { *timeout = ntohl(nla_get_be32(tb[CTA_TIMEOUT_ICMPV6_TIMEOUT])) * HZ; } else { /* Set default ICMPv6 timeout. */ - *timeout = nf_ct_icmpv6_timeout; + *timeout = in->timeout; } return 0; } diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index 8d798a613e3f..c33f76af913f 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -712,9 +712,10 @@ static int dccp_nlattr_size(void) #include #include -static int dccp_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int dccp_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { - struct dccp_net *dn = dccp_pernet(&init_net); + struct dccp_net *dn = dccp_pernet(net); unsigned int *timeouts = data; int i; diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c index e4e2d2a38d3f..bb0e74fe0fae 100644 --- a/net/netfilter/nf_conntrack_proto_generic.c +++ b/net/netfilter/nf_conntrack_proto_generic.c @@ -75,16 +75,18 @@ static bool generic_new(struct nf_conn *ct, const struct sk_buff *skb, #include #include -static int generic_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int generic_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeout = data; + struct nf_generic_net *gn = generic_pernet(net); if (tb[CTA_TIMEOUT_GENERIC_TIMEOUT]) *timeout = ntohl(nla_get_be32(tb[CTA_TIMEOUT_GENERIC_TIMEOUT])) * HZ; else { /* Set default generic timeout. */ - *timeout = nf_ct_generic_timeout; + *timeout = gn->timeout; } return 0; diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c index e36973f9ef59..25ba5a2f5edc 100644 --- a/net/netfilter/nf_conntrack_proto_gre.c +++ b/net/netfilter/nf_conntrack_proto_gre.c @@ -304,13 +304,15 @@ static void gre_destroy(struct nf_conn *ct) #include #include -static int gre_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int gre_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeouts = data; + struct netns_proto_gre *net_gre = gre_pernet(net); /* set default timeouts for GRE. */ - timeouts[GRE_CT_UNREPLIED] = gre_timeouts[GRE_CT_UNREPLIED]; - timeouts[GRE_CT_REPLIED] = gre_timeouts[GRE_CT_REPLIED]; + timeouts[GRE_CT_UNREPLIED] = net_gre->gre_timeouts[GRE_CT_UNREPLIED]; + timeouts[GRE_CT_REPLIED] = net_gre->gre_timeouts[GRE_CT_REPLIED]; if (tb[CTA_TIMEOUT_GRE_UNREPLIED]) { timeouts[GRE_CT_UNREPLIED] = diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index d785f2c4182b..8fb0582ad397 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -562,14 +562,16 @@ static int sctp_nlattr_size(void) #include #include -static int sctp_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int sctp_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeouts = data; + struct sctp_net *sn = sctp_pernet(net); int i; /* set default SCTP timeouts. */ for (i=0; itimeouts[i]; /* there's a 1:1 mapping between attributes and protocol states. */ for (i=CTA_TIMEOUT_SCTP_UNSPEC+1; i #include -static int tcp_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int tcp_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeouts = data; + struct nf_tcp_net *tn = tcp_pernet(net); int i; /* set default TCP timeouts. */ for (i=0; itimeouts[i]; if (tb[CTA_TIMEOUT_TCP_SYN_SENT]) { timeouts[TCP_CONNTRACK_SYN_SENT] = diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c index db7abad44bc5..360565a95de4 100644 --- a/net/netfilter/nf_conntrack_proto_udp.c +++ b/net/netfilter/nf_conntrack_proto_udp.c @@ -156,13 +156,15 @@ static int udp_error(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb, #include #include -static int udp_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int udp_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeouts = data; + struct nf_udp_net *un = udp_pernet(net); /* set default timeouts for UDP. */ - timeouts[UDP_CT_UNREPLIED] = udp_timeouts[UDP_CT_UNREPLIED]; - timeouts[UDP_CT_REPLIED] = udp_timeouts[UDP_CT_REPLIED]; + timeouts[UDP_CT_UNREPLIED] = un->timeouts[UDP_CT_UNREPLIED]; + timeouts[UDP_CT_REPLIED] = un->timeouts[UDP_CT_REPLIED]; if (tb[CTA_TIMEOUT_UDP_UNREPLIED]) { timeouts[UDP_CT_UNREPLIED] = diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c index 2e25e985e8cf..b32e700f8dde 100644 --- a/net/netfilter/nf_conntrack_proto_udplite.c +++ b/net/netfilter/nf_conntrack_proto_udplite.c @@ -172,13 +172,15 @@ static int udplite_error(struct net *net, struct nf_conn *tmpl, #include #include -static int udplite_timeout_nlattr_to_obj(struct nlattr *tb[], void *data) +static int udplite_timeout_nlattr_to_obj(struct nlattr *tb[], + struct net *net, void *data) { unsigned int *timeouts = data; + struct udplite_net *un = udplite_pernet(net); /* set default timeouts for UDPlite. */ - timeouts[UDPLITE_CT_UNREPLIED] = udplite_timeouts[UDPLITE_CT_UNREPLIED]; - timeouts[UDPLITE_CT_REPLIED] = udplite_timeouts[UDPLITE_CT_REPLIED]; + timeouts[UDPLITE_CT_UNREPLIED] = un->timeouts[UDPLITE_CT_UNREPLIED]; + timeouts[UDPLITE_CT_REPLIED] = un->timeouts[UDPLITE_CT_REPLIED]; if (tb[CTA_TIMEOUT_UDPLITE_UNREPLIED]) { timeouts[UDPLITE_CT_UNREPLIED] = diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 3e655288d1d6..cdecbc8fe965 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -49,8 +49,9 @@ static const struct nla_policy cttimeout_nla_policy[CTA_TIMEOUT_MAX+1] = { static int ctnl_timeout_parse_policy(struct ctnl_timeout *timeout, - struct nf_conntrack_l4proto *l4proto, - const struct nlattr *attr) + struct nf_conntrack_l4proto *l4proto, + struct net *net, + const struct nlattr *attr) { int ret = 0; @@ -60,7 +61,8 @@ ctnl_timeout_parse_policy(struct ctnl_timeout *timeout, nla_parse_nested(tb, l4proto->ctnl_timeout.nlattr_max, attr, l4proto->ctnl_timeout.nla_policy); - ret = l4proto->ctnl_timeout.nlattr_to_obj(tb, &timeout->data); + ret = l4proto->ctnl_timeout.nlattr_to_obj(tb, net, + &timeout->data); } return ret; } @@ -74,6 +76,7 @@ cttimeout_new_timeout(struct sock *ctnl, struct sk_buff *skb, __u8 l4num; struct nf_conntrack_l4proto *l4proto; struct ctnl_timeout *timeout, *matching = NULL; + struct net *net = sock_net(skb->sk); char *name; int ret; @@ -117,7 +120,7 @@ cttimeout_new_timeout(struct sock *ctnl, struct sk_buff *skb, goto err_proto_put; } - ret = ctnl_timeout_parse_policy(matching, l4proto, + ret = ctnl_timeout_parse_policy(matching, l4proto, net, cda[CTA_TIMEOUT_DATA]); return ret; } @@ -132,7 +135,7 @@ cttimeout_new_timeout(struct sock *ctnl, struct sk_buff *skb, goto err_proto_put; } - ret = ctnl_timeout_parse_policy(timeout, l4proto, + ret = ctnl_timeout_parse_policy(timeout, l4proto, net, cda[CTA_TIMEOUT_DATA]); if (ret < 0) goto err;