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Diffstat (limited to 'net/dccp/ipv6.c')
-rw-r--r--net/dccp/ipv6.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 65e2ab0886e6..7a47399cf31f 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -12,7 +12,6 @@
12 * 2 of the License, or (at your option) any later version. 12 * 2 of the License, or (at your option) any later version.
13 */ 13 */
14 14
15#include <linux/config.h>
16#include <linux/module.h> 15#include <linux/module.h>
17#include <linux/random.h> 16#include <linux/random.h>
18#include <linux/xfrm.h> 17#include <linux/xfrm.h>
@@ -32,6 +31,7 @@
32 31
33#include "dccp.h" 32#include "dccp.h"
34#include "ipv6.h" 33#include "ipv6.h"
34#include "feat.h"
35 35
36/* Socket used for sending RSTs and ACKs */ 36/* Socket used for sending RSTs and ACKs */
37static struct socket *dccp_v6_ctl_socket; 37static struct socket *dccp_v6_ctl_socket;
@@ -201,6 +201,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
201 fl.oif = sk->sk_bound_dev_if; 201 fl.oif = sk->sk_bound_dev_if;
202 fl.fl_ip_dport = usin->sin6_port; 202 fl.fl_ip_dport = usin->sin6_port;
203 fl.fl_ip_sport = inet->sport; 203 fl.fl_ip_sport = inet->sport;
204 security_sk_classify_flow(sk, &fl);
204 205
205 if (np->opt != NULL && np->opt->srcrt != NULL) { 206 if (np->opt != NULL && np->opt->srcrt != NULL) {
206 const struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt; 207 const struct rt0_hdr *rt0 = (struct rt0_hdr *)np->opt->srcrt;
@@ -230,7 +231,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
230 ipv6_addr_copy(&np->saddr, saddr); 231 ipv6_addr_copy(&np->saddr, saddr);
231 inet->rcv_saddr = LOOPBACK4_IPV6; 232 inet->rcv_saddr = LOOPBACK4_IPV6;
232 233
233 ip6_dst_store(sk, dst, NULL); 234 __ip6_dst_store(sk, dst, NULL, NULL);
234 235
235 icsk->icsk_ext_hdr_len = 0; 236 icsk->icsk_ext_hdr_len = 0;
236 if (np->opt != NULL) 237 if (np->opt != NULL)
@@ -322,6 +323,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
322 fl.oif = sk->sk_bound_dev_if; 323 fl.oif = sk->sk_bound_dev_if;
323 fl.fl_ip_dport = inet->dport; 324 fl.fl_ip_dport = inet->dport;
324 fl.fl_ip_sport = inet->sport; 325 fl.fl_ip_sport = inet->sport;
326 security_sk_classify_flow(sk, &fl);
325 327
326 err = ip6_dst_lookup(sk, &dst, &fl); 328 err = ip6_dst_lookup(sk, &dst, &fl);
327 if (err) { 329 if (err) {
@@ -422,6 +424,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
422 fl.oif = ireq6->iif; 424 fl.oif = ireq6->iif;
423 fl.fl_ip_dport = inet_rsk(req)->rmt_port; 425 fl.fl_ip_dport = inet_rsk(req)->rmt_port;
424 fl.fl_ip_sport = inet_sk(sk)->sport; 426 fl.fl_ip_sport = inet_sk(sk)->sport;
427 security_req_classify_flow(req, &fl);
425 428
426 if (dst == NULL) { 429 if (dst == NULL) {
427 opt = np->opt; 430 opt = np->opt;
@@ -566,6 +569,7 @@ static void dccp_v6_ctl_send_reset(struct sk_buff *rxskb)
566 fl.oif = inet6_iif(rxskb); 569 fl.oif = inet6_iif(rxskb);
567 fl.fl_ip_dport = dh->dccph_dport; 570 fl.fl_ip_dport = dh->dccph_dport;
568 fl.fl_ip_sport = dh->dccph_sport; 571 fl.fl_ip_sport = dh->dccph_sport;
572 security_skb_classify_flow(rxskb, &fl);
569 573
570 /* sk = NULL, but it is safe for now. RST socket required. */ 574 /* sk = NULL, but it is safe for now. RST socket required. */
571 if (!ip6_dst_lookup(NULL, &skb->dst, &fl)) { 575 if (!ip6_dst_lookup(NULL, &skb->dst, &fl)) {
@@ -622,6 +626,7 @@ static void dccp_v6_reqsk_send_ack(struct sk_buff *rxskb,
622 fl.oif = inet6_iif(rxskb); 626 fl.oif = inet6_iif(rxskb);
623 fl.fl_ip_dport = dh->dccph_dport; 627 fl.fl_ip_dport = dh->dccph_dport;
624 fl.fl_ip_sport = dh->dccph_sport; 628 fl.fl_ip_sport = dh->dccph_sport;
629 security_req_classify_flow(req, &fl);
625 630
626 if (!ip6_dst_lookup(NULL, &skb->dst, &fl)) { 631 if (!ip6_dst_lookup(NULL, &skb->dst, &fl)) {
627 if (xfrm_lookup(&skb->dst, &fl, NULL, 0) >= 0) { 632 if (xfrm_lookup(&skb->dst, &fl, NULL, 0) >= 0) {
@@ -704,12 +709,14 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
704 709
705 dccp_openreq_init(req, &dp, skb); 710 dccp_openreq_init(req, &dp, skb);
706 711
712 if (security_inet_conn_request(sk, skb, req))
713 goto drop_and_free;
714
707 ireq6 = inet6_rsk(req); 715 ireq6 = inet6_rsk(req);
708 ireq = inet_rsk(req); 716 ireq = inet_rsk(req);
709 ipv6_addr_copy(&ireq6->rmt_addr, &skb->nh.ipv6h->saddr); 717 ipv6_addr_copy(&ireq6->rmt_addr, &skb->nh.ipv6h->saddr);
710 ipv6_addr_copy(&ireq6->loc_addr, &skb->nh.ipv6h->daddr); 718 ipv6_addr_copy(&ireq6->loc_addr, &skb->nh.ipv6h->daddr);
711 req->rcv_wnd = 100; /* Fake, option parsing will get the 719 req->rcv_wnd = dccp_feat_default_sequence_window;
712 right value */
713 ireq6->pktopts = NULL; 720 ireq6->pktopts = NULL;
714 721
715 if (ipv6_opt_accepted(sk, skb) || 722 if (ipv6_opt_accepted(sk, skb) ||
@@ -843,6 +850,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
843 fl.oif = sk->sk_bound_dev_if; 850 fl.oif = sk->sk_bound_dev_if;
844 fl.fl_ip_dport = inet_rsk(req)->rmt_port; 851 fl.fl_ip_dport = inet_rsk(req)->rmt_port;
845 fl.fl_ip_sport = inet_sk(sk)->sport; 852 fl.fl_ip_sport = inet_sk(sk)->sport;
853 security_sk_classify_flow(sk, &fl);
846 854
847 if (ip6_dst_lookup(sk, &dst, &fl)) 855 if (ip6_dst_lookup(sk, &dst, &fl))
848 goto out; 856 goto out;
@@ -864,7 +872,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
864 * comment in that function for the gory details. -acme 872 * comment in that function for the gory details. -acme
865 */ 873 */
866 874
867 ip6_dst_store(newsk, dst, NULL); 875 __ip6_dst_store(newsk, dst, NULL, NULL);
868 newsk->sk_route_caps = dst->dev->features & ~(NETIF_F_IP_CSUM | 876 newsk->sk_route_caps = dst->dev->features & ~(NETIF_F_IP_CSUM |
869 NETIF_F_TSO); 877 NETIF_F_TSO);
870 newdp6 = (struct dccp6_sock *)newsk; 878 newdp6 = (struct dccp6_sock *)newsk;
@@ -962,7 +970,7 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
962 if (skb->protocol == htons(ETH_P_IP)) 970 if (skb->protocol == htons(ETH_P_IP))
963 return dccp_v4_do_rcv(sk, skb); 971 return dccp_v4_do_rcv(sk, skb);
964 972
965 if (sk_filter(sk, skb, 0)) 973 if (sk_filter(sk, skb))
966 goto discard; 974 goto discard;
967 975
968 /* 976 /*