diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-04-18 05:45:16 +0200 |
|---|---|---|
| committer | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-06-11 20:46:30 +0200 |
| commit | 9501f9722922f2e80e1f9dc6682311d65c2b5690 (patch) | |
| tree | ca8195e04ea63e8273801030ce26527fe5a8a7c7 /net/ipv6 | |
| parent | tcp md5sig: Share most of hash calcucaltion bits between IPv4 and IPv6. (diff) | |
| download | linux-9501f9722922f2e80e1f9dc6682311d65c2b5690.tar.xz linux-9501f9722922f2e80e1f9dc6682311d65c2b5690.zip | |
tcp md5sig: Let the caller pass appropriate key for tcp_v{4,6}_do_calc_md5_hash().
As we do for other socket/timewait-socket specific parameters,
let the callers pass appropriate arguments to
tcp_v{4,6}_do_calc_md5_hash().
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 0ae0311082fb..ecdbb9f46541 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -82,6 +82,12 @@ static struct inet_connection_sock_af_ops ipv6_specific; #ifdef CONFIG_TCP_MD5SIG static struct tcp_sock_af_ops tcp_sock_ipv6_specific; static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific; +#else +static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk, + struct in6_addr *addr) +{ + return NULL; +} #endif static void tcp_v6_hash(struct sock *sk) @@ -1011,8 +1017,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) kfree_skb(buff); } -static void tcp_v6_send_ack(struct tcp_timewait_sock *tw, - struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts) +static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts, + struct tcp_md5sig_key *key) { struct tcphdr *th = tcp_hdr(skb), *t1; struct sk_buff *buff; @@ -1021,22 +1027,6 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw, struct sock *ctl_sk = net->ipv6.tcp_sk; unsigned int tot_len = sizeof(struct tcphdr); __be32 *topt; -#ifdef CONFIG_TCP_MD5SIG - struct tcp_md5sig_key *key; - struct tcp_md5sig_key tw_key; -#endif - -#ifdef CONFIG_TCP_MD5SIG - if (!tw && skb->sk) { - key = tcp_v6_md5_do_lookup(skb->sk, &ipv6_hdr(skb)->daddr); - } else if (tw && tw->tw_md5_keylen) { - tw_key.key = tw->tw_md5_key; - tw_key.keylen = tw->tw_md5_keylen; - key = &tw_key; - } else { - key = NULL; - } -#endif if (ts) tot_len += TCPOLEN_TSTAMP_ALIGNED; @@ -1116,16 +1106,17 @@ static void tcp_v6_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_v6_send_ack(tcptw, skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt, + tcp_v6_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt, tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale, - tcptw->tw_ts_recent); + tcptw->tw_ts_recent, tcp_twsk_md5_key(tcptw)); inet_twsk_put(tw); } static void tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req) { - tcp_v6_send_ack(NULL, skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd, req->ts_recent); + tcp_v6_send_ack(skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd, req->ts_recent, + tcp_v6_md5_do_lookup(skb->sk, &ipv6_hdr(skb)->daddr)); } |