diff options
| author | Pavel Emelyanov <xemul@parallels.com> | 2011-12-06 11:58:39 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-06 22:58:01 +0400 |
| commit | fe50ce284616c3131e353ff7158002aa47a41a81 (patch) | |
| tree | 16e69dfc04c5a31f24665bd5f59b8cb8eff4da95 /net/ipv4/inet_diag.c | |
| parent | 126fdc3249c9ced2a0d20f916858fec26a445f61 (diff) | |
| download | linux-fe50ce284616c3131e353ff7158002aa47a41a81.tar.xz | |
inet_diag: Switch the _get_exact to work with new header
Make inet_diag_get_exact work with given header instead of calculating
one from the nl message.
The SOCK_DIAG_BY_FAMILY just passes skb's one through, the compat code
converts the old header to new one.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_diag.c')
| -rw-r--r-- | net/ipv4/inet_diag.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index f37b1284b46b..a68182223d57 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -261,16 +261,16 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, } static int inet_diag_get_exact(struct sk_buff *in_skb, - const struct nlmsghdr *nlh) + const struct nlmsghdr *nlh, + struct inet_diag_req *req) { int err; struct sock *sk; - struct inet_diag_req_compat *req = NLMSG_DATA(nlh); struct sk_buff *rep; struct inet_hashinfo *hashinfo; const struct inet_diag_handler *handler; - handler = inet_diag_lock_handler(inet_diag_type2proto(nlh->nlmsg_type)); + handler = inet_diag_lock_handler(req->sdiag_protocol); if (IS_ERR(handler)) { err = PTR_ERR(handler); goto unlock; @@ -279,13 +279,13 @@ static int inet_diag_get_exact(struct sk_buff *in_skb, hashinfo = handler->idiag_hashinfo; err = -EINVAL; - if (req->idiag_family == AF_INET) { + if (req->sdiag_family == AF_INET) { sk = inet_lookup(&init_net, hashinfo, req->id.idiag_dst[0], req->id.idiag_dport, req->id.idiag_src[0], req->id.idiag_sport, req->id.idiag_if); } #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE) - else if (req->idiag_family == AF_INET6) { + else if (req->sdiag_family == AF_INET6) { sk = inet6_lookup(&init_net, hashinfo, (struct in6_addr *)req->id.idiag_dst, req->id.idiag_dport, @@ -861,6 +861,21 @@ unlock: return skb->len; } +static int inet_diag_get_exact_compat(struct sk_buff *in_skb, + const struct nlmsghdr *nlh) +{ + struct inet_diag_req_compat *rc = NLMSG_DATA(nlh); + struct inet_diag_req req; + + req.sdiag_family = rc->idiag_family; + req.sdiag_protocol = inet_diag_type2proto(nlh->nlmsg_type); + req.idiag_ext = rc->idiag_ext; + req.idiag_states = rc->idiag_states; + req.id = rc->id; + + return inet_diag_get_exact(in_skb, nlh, &req); +} + static int inet_diag_rcv_msg_compat(struct sk_buff *skb, struct nlmsghdr *nlh) { int hdrlen = sizeof(struct inet_diag_req_compat); @@ -885,7 +900,7 @@ static int inet_diag_rcv_msg_compat(struct sk_buff *skb, struct nlmsghdr *nlh) inet_diag_dump, NULL, 0); } - return inet_diag_get_exact(skb, nlh); + return inet_diag_get_exact_compat(skb, nlh); } static int inet_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h) @@ -899,7 +914,7 @@ static int inet_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h) return -EAFNOSUPPORT; } - return -EAFNOSUPPORT; + return inet_diag_get_exact(skb, h, (struct inet_diag_req *)NLMSG_DATA(h)); } static struct sock_diag_handler inet_diag_handler = { |