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| author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2007-08-01 10:56:43 -0400 |
|---|---|---|
| committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2007-08-01 11:19:06 -0400 |
| commit | e4d1feab5df035312494ce3037ac5f041d0f5fc9 (patch) | |
| tree | 9ed83f1037b0df8478c29143357ea4e66314d364 /net | |
| parent | b225b884a18a1932db5414abd3ef94a45e4e348e (diff) | |
| download | linux-3.10-e4d1feab5df035312494ce3037ac5f041d0f5fc9.tar.gz linux-3.10-e4d1feab5df035312494ce3037ac5f041d0f5fc9.tar.bz2 linux-3.10-e4d1feab5df035312494ce3037ac5f041d0f5fc9.zip | |
SCTP: IPv4 mapped addr not returned in SCTPv6 accept()
When issuing a connect call on an AF_INET6 sctp socket with
a IPv4-mapped destination, the peer address that is returned
by getpeeraddr() should be v4-mapped as well.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sctp/socket.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index be743d4a7c0..01c6364245b 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -975,7 +975,7 @@ static int __sctp_connect(struct sock* sk, int err = 0; int addrcnt = 0; int walk_size = 0; - union sctp_addr *sa_addr; + union sctp_addr *sa_addr = NULL; void *addr_buf; unsigned short port; unsigned int f_flags = 0; @@ -1009,7 +1009,10 @@ static int __sctp_connect(struct sock* sk, goto out_free; } - err = sctp_verify_addr(sk, sa_addr, af->sockaddr_len); + /* Save current address so we can work with it */ + memcpy(&to, sa_addr, af->sockaddr_len); + + err = sctp_verify_addr(sk, &to, af->sockaddr_len); if (err) goto out_free; @@ -1019,12 +1022,11 @@ static int __sctp_connect(struct sock* sk, if (asoc && asoc->peer.port && asoc->peer.port != port) goto out_free; - memcpy(&to, sa_addr, af->sockaddr_len); /* Check if there already is a matching association on the * endpoint (other than the one created here). */ - asoc2 = sctp_endpoint_lookup_assoc(ep, sa_addr, &transport); + asoc2 = sctp_endpoint_lookup_assoc(ep, &to, &transport); if (asoc2 && asoc2 != asoc) { if (asoc2->state >= SCTP_STATE_ESTABLISHED) err = -EISCONN; @@ -1037,7 +1039,7 @@ static int __sctp_connect(struct sock* sk, * make sure that there is no peeled-off association matching * the peer address even on another socket. */ - if (sctp_endpoint_is_peeled_off(ep, sa_addr)) { + if (sctp_endpoint_is_peeled_off(ep, &to)) { err = -EADDRNOTAVAIL; goto out_free; } @@ -1068,7 +1070,7 @@ static int __sctp_connect(struct sock* sk, } } - scope = sctp_scope(sa_addr); + scope = sctp_scope(&to); asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL); if (!asoc) { err = -ENOMEM; @@ -1077,7 +1079,7 @@ static int __sctp_connect(struct sock* sk, } /* Prime the peer's transport structures. */ - transport = sctp_assoc_add_peer(asoc, sa_addr, GFP_KERNEL, + transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL, SCTP_UNKNOWN); if (!transport) { err = -ENOMEM; @@ -1101,8 +1103,8 @@ static int __sctp_connect(struct sock* sk, /* Initialize sk's dport and daddr for getpeername() */ inet_sk(sk)->dport = htons(asoc->peer.port); - af = sctp_get_af_specific(to.sa.sa_family); - af->to_sk_daddr(&to, sk); + af = sctp_get_af_specific(sa_addr->sa.sa_family); + af->to_sk_daddr(sa_addr, sk); sk->sk_err = 0; /* in-kernel sockets don't generally have a file allocated to them |