diff --git a/include/net/flow.h b/include/net/flow.h index 1964eeb57a32..15ecdd07e192 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -89,7 +89,8 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, __u32 mark, __u8 tos, __u8 scope, __u8 proto, __u8 flags, __be32 daddr, __be32 saddr, - __be16 dport, __be16 sport) + __be16 dport, __be16 sport, + kuid_t uid) { fl4->flowi4_oif = oif; fl4->flowi4_iif = LOOPBACK_IFINDEX; @@ -99,6 +100,7 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, fl4->flowi4_proto = proto; fl4->flowi4_flags = flags; fl4->flowi4_secid = 0; + fl4->flowi4_uid = uid; fl4->daddr = daddr; fl4->saddr = saddr; fl4->fl4_dport = dport; diff --git a/include/net/ip.h b/include/net/ip.h index 5bb62242de0e..c02d09be8ad0 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -155,6 +155,7 @@ struct ip_reply_arg { /* -1 if not needed */ int bound_dev_if; u8 tos; + kuid_t uid; }; #define IP_REPLY_ARG_NOSRCCHECK 1 diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 16c9d78c9196..974961faa4a0 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -136,10 +136,11 @@ extern int rt6_route_rcv(struct net_device *dev, const struct in6_addr *gwaddr); extern void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, - int oif, u32 mark); + int oif, u32 mark, kuid_t uid); extern void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, __be32 mtu); -extern void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark); +extern void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark, + kuid_t uid); extern void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk); struct netlink_callback; diff --git a/include/net/route.h b/include/net/route.h index 6feb94fbe759..5afae0e14e9f 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -143,7 +143,7 @@ static inline struct rtable *ip_route_output_ports(struct net *net, struct flowi flowi4_init_output(fl4, oif, sk ? sk->sk_mark : 0, tos, RT_SCOPE_UNIVERSE, proto, sk ? inet_sk_flowi_flags(sk) : 0, - daddr, saddr, dport, sport); + daddr, saddr, dport, sport, sock_net_uid(net, sk)); if (sk) security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); return ip_route_output_flow(net, fl4, sk); @@ -254,7 +254,8 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32 flow_flags |= FLOWI_FLAG_CAN_SLEEP; flowi4_init_output(fl4, oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE, - protocol, flow_flags, dst, src, dport, sport); + protocol, flow_flags, dst, src, dport, sport, + sk->sk_uid); } static inline struct rtable *ip_route_connect(struct flowi4 *fl4, diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 5af8781b65e1..59e63dcb80da 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -364,6 +364,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb) fl4.daddr = daddr; fl4.saddr = saddr; fl4.flowi4_mark = mark; + fl4.flowi4_uid = sock_net_uid(net, NULL); fl4.flowi4_tos = RT_TOS(ip_hdr(skb)->tos); fl4.flowi4_proto = IPPROTO_ICMP; security_skb_classify_flow(skb, flowi4_to_flowi(&fl4)); @@ -395,6 +396,7 @@ static struct rtable *icmp_route_lookup(struct net *net, param->replyopts.opt.opt.faddr : iph->saddr); fl4->saddr = saddr; fl4->flowi4_mark = mark; + fl4->flowi4_uid = sock_net_uid(net, NULL); fl4->flowi4_tos = RT_TOS(tos); fl4->flowi4_proto = IPPROTO_ICMP; fl4->fl4_icmp_type = type; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index d0025a242630..912cb4dedfe5 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -429,7 +429,8 @@ struct dst_entry *inet_csk_route_req(struct sock *sk, sk->sk_protocol, flags, (opt && opt->opt.srr) ? opt->opt.faddr : ireq->rmt_addr, - ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport); + ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport, + sk->sk_uid); security_req_classify_flow(req, flowi4_to_flowi(fl4)); rt = ip_route_output_flow(net, fl4, sk); if (IS_ERR(rt)) @@ -465,7 +466,8 @@ struct dst_entry *inet_csk_route_child_sock(struct sock *sk, RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE, sk->sk_protocol, inet_sk_flowi_flags(sk), (opt && opt->opt.srr) ? opt->opt.faddr : ireq->rmt_addr, - ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport); + ireq->loc_addr, ireq->rmt_port, inet_sk(sk)->inet_sport, + sk->sk_uid); security_req_classify_flow(req, flowi4_to_flowi(fl4)); rt = ip_route_output_flow(net, fl4, sk); if (IS_ERR(rt)) diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 41396e4be24c..1c63f85f8a37 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1495,7 +1495,8 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, RT_SCOPE_UNIVERSE, ip_hdr(skb)->protocol, ip_reply_arg_flowi_flags(arg), daddr, saddr, - tcp_hdr(skb)->source, tcp_hdr(skb)->dest); + tcp_hdr(skb)->source, tcp_hdr(skb)->dest, + arg->uid); security_skb_classify_flow(skb, flowi4_to_flowi(&fl4)); rt = ip_route_output_key(net, &fl4); if (IS_ERR(rt)) diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index d8e76da9009d..b6089bea7b1b 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -791,7 +791,8 @@ int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE, sk->sk_protocol, - inet_sk_flowi_flags(sk), faddr, saddr, 0, 0); + inet_sk_flowi_flags(sk), faddr, saddr, 0, 0, + sk->sk_uid); security_sk_classify_flow(sk, flowi4_to_flowi(&fl4)); rt = ip_route_output_flow(net, &fl4, sk); diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index c2fd60007710..9b0b48bc75d5 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -598,7 +598,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, hdrincl ? IPPROTO_RAW : sk->sk_protocol, inet_sk_flowi_flags(sk) | FLOWI_FLAG_CAN_SLEEP | (hdrincl ? FLOWI_FLAG_KNOWN_NH : 0), - daddr, saddr, 0, 0); + daddr, saddr, 0, 0, sk->sk_uid); if (!hdrincl) { rfv.iov = msg->msg_iov; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index c96ba32a5385..f642e589020e 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -515,7 +515,8 @@ void __ip_select_ident(struct iphdr *iph, int segs) } EXPORT_SYMBOL(__ip_select_ident); -static void __build_flow_key(struct flowi4 *fl4, const struct sock *sk, +static void __build_flow_key(const struct net *net, struct flowi4 *fl4, + const struct sock *sk, const struct iphdr *iph, int oif, u8 tos, u8 prot, u32 mark, int flow_flags) @@ -531,7 +532,8 @@ static void __build_flow_key(struct flowi4 *fl4, const struct sock *sk, flowi4_init_output(fl4, oif, mark, tos, RT_SCOPE_UNIVERSE, prot, flow_flags, - iph->daddr, iph->saddr, 0, 0); + iph->daddr, iph->saddr, 0, 0, + sock_net_uid(net, sk)); } static void build_skb_flow_key(struct flowi4 *fl4, const struct sk_buff *skb, @@ -543,7 +545,7 @@ static void build_skb_flow_key(struct flowi4 *fl4, const struct sk_buff *skb, u8 prot = iph->protocol; u32 mark = skb->mark; - __build_flow_key(fl4, sk, iph, oif, tos, prot, mark, 0); + __build_flow_key(sock_net(sk), fl4, sk, iph, oif, tos, prot, mark, 0); } static void build_sk_flow_key(struct flowi4 *fl4, const struct sock *sk) @@ -560,7 +562,7 @@ static void build_sk_flow_key(struct flowi4 *fl4, const struct sock *sk) RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE, inet->hdrincl ? IPPROTO_RAW : sk->sk_protocol, inet_sk_flowi_flags(sk), - daddr, inet->inet_saddr, 0, 0); + daddr, inet->inet_saddr, 0, 0, sk->sk_uid); rcu_read_unlock(); } @@ -797,7 +799,7 @@ static void ip_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_buf rt = (struct rtable *) dst; - __build_flow_key(&fl4, sk, iph, oif, tos, prot, mark, 0); + __build_flow_key(sock_net(sk), &fl4, sk, iph, oif, tos, prot, mark, 0); __ip_do_redirect(rt, skb, &fl4, true); } @@ -1008,7 +1010,7 @@ void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, if (!mark) mark = IP4_REPLY_MARK(net, skb->mark); - __build_flow_key(&fl4, NULL, iph, oif, + __build_flow_key(net, &fl4, NULL, iph, oif, RT_TOS(iph->tos), protocol, mark, flow_flags); rt = __ip_route_output_key(net, &fl4); if (!IS_ERR(rt)) { @@ -1024,7 +1026,7 @@ static void __ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) struct flowi4 fl4; struct rtable *rt; - __build_flow_key(&fl4, sk, iph, 0, 0, 0, 0, 0); + __build_flow_key(sock_net(sk), &fl4, sk, iph, 0, 0, 0, 0, 0); if (!fl4.flowi4_mark) fl4.flowi4_mark = IP4_REPLY_MARK(sock_net(sk), skb->mark); @@ -1043,6 +1045,7 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) struct rtable *rt; struct dst_entry *odst = NULL; bool new = false; + struct net *net = sock_net(sk); bh_lock_sock(sk); odst = sk_dst_get(sk); @@ -1052,7 +1055,7 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) goto out; } - __build_flow_key(&fl4, sk, iph, 0, 0, 0, 0, 0); + __build_flow_key(net, &fl4, sk, iph, 0, 0, 0, 0, 0); rt = (struct rtable *)odst; if (odst->obsolete && odst->ops->check(odst, 0) == NULL) { @@ -1092,7 +1095,7 @@ void ipv4_redirect(struct sk_buff *skb, struct net *net, struct flowi4 fl4; struct rtable *rt; - __build_flow_key(&fl4, NULL, iph, oif, + __build_flow_key(net, &fl4, NULL, iph, oif, RT_TOS(iph->tos), protocol, mark, flow_flags); rt = __ip_route_output_key(net, &fl4); if (!IS_ERR(rt)) { @@ -1107,9 +1110,10 @@ void ipv4_sk_redirect(struct sk_buff *skb, struct sock *sk) const struct iphdr *iph = (const struct iphdr *) skb->data; struct flowi4 fl4; struct rtable *rt; + struct net *net = sock_net(sk); - __build_flow_key(&fl4, sk, iph, 0, 0, 0, 0, 0); - rt = __ip_route_output_key(sock_net(sk), &fl4); + __build_flow_key(net, &fl4, sk, iph, 0, 0, 0, 0, 0); + rt = __ip_route_output_key(net, &fl4); if (!IS_ERR(rt)) { __ip_do_redirect(rt, skb, &fl4, false); ip_rt_put(rt); diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index 5abb45e281be..296a0a42b2b8 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -353,7 +353,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE, IPPROTO_TCP, inet_sk_flowi_flags(sk), (opt && opt->srr) ? opt->faddr : ireq->rmt_addr, - ireq->loc_addr, th->source, th->dest); + ireq->loc_addr, th->source, th->dest, sk->sk_uid); security_req_classify_flow(req, flowi4_to_flowi(&fl4)); rt = ip_route_output_key(sock_net(sk), &fl4); if (IS_ERR(rt)) { diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 43e01fae5d3d..f52a63eb94c3 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -714,6 +714,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) arg.bound_dev_if = sk->sk_bound_dev_if; arg.tos = ip_hdr(skb)->tos; + arg.uid = sock_net_uid(net, sk && sk_fullsock(sk) ? sk : NULL); ip_send_unicast_reply(*this_cpu_ptr(net->ipv4.tcp_sk), skb, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr, &arg, arg.iov[0].iov_len); @@ -734,7 +735,8 @@ release_sk1: outside socket context is ugly, certainly. What can I do? */ -static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack, +static void tcp_v4_send_ack(const struct sock *sk, struct sk_buff *skb, + u32 seq, u32 ack, u32 win, u32 tsval, u32 tsecr, int oif, struct tcp_md5sig_key *key, int reply_flags, u8 tos) @@ -749,7 +751,7 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack, ]; } rep; struct ip_reply_arg arg; - struct net *net = dev_net(skb_dst(skb)->dev); + struct net *net = sock_net(sk); memset(&rep.th, 0, sizeof(struct tcphdr)); memset(&arg, 0, sizeof(arg)); @@ -798,6 +800,7 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack, if (oif) arg.bound_dev_if = oif; arg.tos = tos; + arg.uid = sock_net_uid(net, sk_fullsock(sk) ? sk : NULL); ip_send_unicast_reply(*this_cpu_ptr(net->ipv4.tcp_sk), skb, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr, &arg, arg.iov[0].iov_len); @@ -810,7 +813,7 @@ static void tcp_v4_timewait_ack(struct sock *sk, struct sk_buff *skb) struct inet_timewait_sock *tw = inet_twsk(sk); struct tcp_timewait_sock *tcptw = tcp_twsk(sk); - tcp_v4_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt, + tcp_v4_send_ack(sk, skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt, tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale, tcp_time_stamp + tcptw->tw_ts_offset, tcptw->tw_ts_recent, @@ -829,7 +832,7 @@ static void tcp_v4_reqsk_send_ack(struct sock *sk, struct sk_buff *skb, /* sk->sk_state == TCP_LISTEN -> for regular TCP_SYN_RECV * sk->sk_state == TCP_SYN_RECV -> for Fast Open. */ - tcp_v4_send_ack(skb, (sk->sk_state == TCP_LISTEN) ? + tcp_v4_send_ack(sk, skb, (sk->sk_state == TCP_LISTEN) ? tcp_rsk(req)->snt_isn + 1 : tcp_sk(sk)->snd_nxt, tcp_rsk(req)->rcv_nxt, req->rcv_wnd >> inet_rsk(req)->rcv_wscale, diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 059b10934e24..f14e32373250 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -971,7 +971,8 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE, sk->sk_protocol, inet_sk_flowi_flags(sk)|FLOWI_FLAG_CAN_SLEEP, - faddr, saddr, dport, inet->inet_sport); + faddr, saddr, dport, inet->inet_sport, + sk->sk_uid); security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); rt = ip_route_output_flow(net, fl4, sk); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 8761a4443f34..f2c58e807672 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -702,6 +702,7 @@ int inet6_sk_rebuild_header(struct sock *sk) fl6.flowi6_mark = sk->sk_mark; fl6.fl6_dport = inet->inet_dport; fl6.fl6_sport = inet->inet_sport; + fl6.flowi6_uid = sk->sk_uid; security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); rcu_read_lock(); diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index bb02e176cb70..15e41c5bea3a 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -628,9 +628,9 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, return; if (type == NDISC_REDIRECT) - ip6_redirect(skb, net, 0, 0); + ip6_redirect(skb, net, 0, 0, sock_net_uid(net, NULL)); else - ip6_update_pmtu(skb, net, info, 0, 0); + ip6_update_pmtu(skb, net, info, 0, 0, sock_net_uid(net, NULL)); xfrm_state_put(x); } diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 0deea6ef4cc1..8abb98c38d3e 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -162,6 +162,7 @@ ipv4_connected: fl6.flowi6_mark = sk->sk_mark; fl6.fl6_dport = inet->inet_dport; fl6.fl6_sport = inet->inet_sport; + fl6.flowi6_uid = sk->sk_uid; if (!fl6.flowi6_oif && (addr_type&IPV6_ADDR_MULTICAST)) fl6.flowi6_oif = np->mcast_oif; diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 7b9bb6062cf8..b8f7ad27edee 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -447,9 +447,9 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, return; if (type == NDISC_REDIRECT) - ip6_redirect(skb, net, 0, 0); + ip6_redirect(skb, net, 0, 0, sock_net_uid(net, NULL)); else - ip6_update_pmtu(skb, net, info, 0, 0); + ip6_update_pmtu(skb, net, info, 0, 0, sock_net_uid(net, NULL)); xfrm_state_put(x); } diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 84bdcd06dd34..adb715b22f73 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -90,9 +90,9 @@ static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, struct net *net = dev_net(skb->dev); if (type == ICMPV6_PKT_TOOBIG) - ip6_update_pmtu(skb, net, info, 0, 0); + ip6_update_pmtu(skb, net, info, 0, 0, sock_net_uid(net, NULL)); else if (type == NDISC_REDIRECT) - ip6_redirect(skb, net, 0, 0); + ip6_redirect(skb, net, 0, 0, sock_net_uid(net, NULL)); if (!(type & ICMPV6_INFOMSG_MASK)) if (icmp6->icmp6_type == ICMPV6_ECHO_REQUEST) @@ -467,6 +467,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info) fl6.flowi6_oif = iif; fl6.fl6_icmp_type = type; fl6.fl6_icmp_code = code; + fl6.flowi6_uid = sock_net_uid(net, NULL); security_skb_classify_flow(skb, flowi6_to_flowi(&fl6)); sk = icmpv6_xmit_lock(net); @@ -572,6 +573,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb) fl6.flowi6_oif = skb->dev->ifindex; fl6.fl6_icmp_type = ICMPV6_ECHO_REPLY; fl6.flowi6_mark = mark; + fl6.flowi6_uid = sock_net_uid(net, NULL); security_skb_classify_flow(skb, flowi6_to_flowi(&fl6)); sk = icmpv6_xmit_lock(net); diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index 9cdb8e434513..a2072a81c933 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -86,6 +86,7 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk, fl6->flowi6_mark = inet_rsk(req)->ir_mark; fl6->fl6_dport = inet_rsk(req)->rmt_port; fl6->fl6_sport = inet_rsk(req)->loc_port; + fl6->flowi6_uid = sk->sk_uid; security_req_classify_flow(req, flowi6_to_flowi(fl6)); dst = ip6_dst_lookup_flow(sk, fl6, final_p, false); @@ -213,6 +214,7 @@ static struct dst_entry *inet6_csk_route_socket(struct sock *sk, fl6->flowi6_mark = sk->sk_mark; fl6->fl6_sport = inet->inet_sport; fl6->fl6_dport = inet->inet_dport; + fl6->flowi6_uid = sk->sk_uid; security_sk_classify_flow(sk, flowi6_to_flowi(fl6)); rcu_read_lock(); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 5cea0d556218..7ecca5470a6c 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -800,6 +800,8 @@ static inline int ip6gre_xmit_ipv4(struct sk_buff *skb, struct net_device *dev) if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK) fl6.flowi6_mark = skb->mark; + fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL); + err = ip6gre_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu); if (err != 0) { /* XXX: send ICMP error even if DF is not set. */ @@ -850,6 +852,8 @@ static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev) if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK) fl6.flowi6_mark = skb->mark; + fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL); + err = ip6gre_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu); if (err != 0) { if (err == -EMSGSIZE) diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 974efc8fadf7..c6267a221cfd 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1096,6 +1096,8 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) memcpy(&fl6, &t->fl.u.ip6, sizeof (fl6)); fl6.flowi6_proto = IPPROTO_IPIP; + fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL); + dsfield = ipv4_get_dsfield(iph); if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS) @@ -1147,6 +1149,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) memcpy(&fl6, &t->fl.u.ip6, sizeof (fl6)); fl6.flowi6_proto = IPPROTO_IPV6; + fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL); dsfield = ipv6_get_dsfield(ipv6h); if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS) diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 7af5aee75d98..a4a4e1c2c9fa 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -76,9 +76,9 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, return; if (type == NDISC_REDIRECT) - ip6_redirect(skb, net, 0, 0); + ip6_redirect(skb, net, 0, 0, sock_net_uid(net, NULL)); else - ip6_update_pmtu(skb, net, info, 0, 0); + ip6_update_pmtu(skb, net, info, 0, 0, sock_net_uid(net, NULL)); xfrm_state_put(x); } diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c index d38e6a8d8b9f..e48d26beda46 100644 --- a/net/ipv6/netfilter.c +++ b/net/ipv6/netfilter.c @@ -27,6 +27,7 @@ int ip6_route_me_harder(struct sk_buff *skb) struct flowi6 fl6 = { .flowi6_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0, .flowi6_mark = skb->mark, + .flowi6_uid = sock_net_uid(net, skb->sk), .daddr = iph->daddr, .saddr = iph->saddr, }; diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index 9215ccbec01f..3cb40fb0f7cf 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -161,6 +161,7 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, fl6.saddr = np->saddr; fl6.daddr = *daddr; fl6.flowi6_mark = sk->sk_mark; + fl6.flowi6_uid = sk->sk_uid; fl6.fl6_icmp_type = user_icmph.icmp6_type; fl6.fl6_icmp_code = user_icmph.icmp6_code; security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 513dffdc2aef..5e0e05945764 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -765,6 +765,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_mark = sk->sk_mark; + fl6.flowi6_uid = sk->sk_uid; if (sin6) { if (addr_len < SIN6_LEN_RFC2133) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 4b1f3fb98224..1383a8d39667 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1153,7 +1153,7 @@ static void ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk, } void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, - int oif, u32 mark) + int oif, u32 mark, kuid_t uid) { const struct ipv6hdr *iph = (struct ipv6hdr *) skb->data; struct dst_entry *dst; @@ -1166,6 +1166,7 @@ void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, fl6.daddr = iph->daddr; fl6.saddr = iph->saddr; fl6.flowlabel = ip6_flowinfo(iph); + fl6.flowi6_uid = uid; dst = ip6_route_output(net, NULL, &fl6); if (!dst->error) @@ -1177,11 +1178,12 @@ EXPORT_SYMBOL_GPL(ip6_update_pmtu); void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, __be32 mtu) { ip6_update_pmtu(skb, sock_net(sk), mtu, - sk->sk_bound_dev_if, sk->sk_mark); + sk->sk_bound_dev_if, sk->sk_mark, sk->sk_uid); } EXPORT_SYMBOL_GPL(ip6_sk_update_pmtu); -void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark) +void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark, + kuid_t uid) { const struct ipv6hdr *iph = (struct ipv6hdr *) skb->data; struct dst_entry *dst; @@ -1194,6 +1196,7 @@ void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark) fl6.daddr = iph->daddr; fl6.saddr = iph->saddr; fl6.flowlabel = ip6_flowinfo(iph); + fl6.flowi6_uid = uid; dst = ip6_route_output(net, NULL, &fl6); if (!dst->error) @@ -1204,7 +1207,8 @@ EXPORT_SYMBOL_GPL(ip6_redirect); void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk) { - ip6_redirect(skb, sock_net(sk), sk->sk_bound_dev_if, sk->sk_mark); + ip6_redirect(skb, sock_net(sk), sk->sk_bound_dev_if, sk->sk_mark, + sk->sk_uid); } EXPORT_SYMBOL_GPL(ip6_sk_redirect); diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index a596f388339d..0428544a2bed 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -243,6 +243,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) fl6.flowi6_mark = ireq->ir_mark; fl6.fl6_dport = inet_rsk(req)->rmt_port; fl6.fl6_sport = inet_sk(sk)->inet_sport; + fl6.flowi6_uid = sk->sk_uid; security_req_classify_flow(req, flowi6_to_flowi(&fl6)); dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 9065e26735c3..5ec59d8fb65c 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -256,6 +256,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, fl6.flowi6_mark = sk->sk_mark; fl6.fl6_dport = usin->sin6_port; fl6.fl6_sport = inet->inet_sport; + fl6.flowi6_uid = sk->sk_uid; opt = rcu_dereference_protected(np->opt, sock_owned_by_user(sk)); final_p = fl6_update_dst(&fl6, opt, &final); @@ -804,6 +805,7 @@ static void tcp_v6_send_response(struct sock *sk, struct sk_buff *skb, u32 seq, fl6.flowi6_mark = IP6_REPLY_MARK(net, skb->mark); fl6.fl6_dport = t1->dest; fl6.fl6_sport = t1->source; + fl6.flowi6_uid = sock_net_uid(net, sk && sk_fullsock(sk) ? sk : NULL); security_skb_classify_flow(skb, flowi6_to_flowi(&fl6)); /* Pass a socket to ip6_dst_lookup either it is for RST diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index ef4912109e8c..0f29b955f44a 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1149,6 +1149,7 @@ do_udp_sendmsg: fl6.flowi6_oif = np->sticky_pktinfo.ipi6_ifindex; fl6.flowi6_mark = sk->sk_mark; + fl6.flowi6_uid = sk->sk_uid; if (msg->msg_controllen) { opt = &opt_space; diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index ea198d06d18d..1ad242302cf8 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -518,6 +518,7 @@ static int l2tp_ip6_sendmsg(struct kiocb *iocb, struct sock *sk, memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_mark = sk->sk_mark; + fl6.flowi6_uid = sk->sk_uid; if (lsa) { if (addr_len < SIN6_LEN_RFC2133)