diff options
| author | Piotr Sawicki <p.sawicki2@partner.samsung.com> | 2018-07-19 11:45:16 +0200 |
|---|---|---|
| committer | Casey Schaufler <casey@schaufler-ca.com> | 2018-07-23 12:59:51 -0700 |
| commit | a07ef9516477aef2d052d75129a48f9f94d3b3f3 (patch) | |
| tree | 26e0f66b88244aeba9a1c15c0f54b8859cb189e9 /security | |
| parent | 129a99890936766f4b69b9da7ed88366313a9210 (diff) | |
| download | linux-a07ef9516477aef2d052d75129a48f9f94d3b3f3.tar.bz2 | |
Smack: Check UDP-Lite and DCCP protocols during IPv6 handling
The smack_socket_sock_rcv_skb() function is checking smack labels
only for UDP and TCP frames carried in IPv6 packets. From now on,
it is able also to handle UDP-Lite and DCCP protocols.
Signed-off-by: Piotr Sawicki <p.sawicki2@partner.samsung.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/smack/smack_lsm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index c4feb954d53f..aff8397e8c7e 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -3895,6 +3895,7 @@ static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr_in6 *sip) sip->sin6_port = th->source; break; case IPPROTO_UDP: + case IPPROTO_UDPLITE: uh = skb_header_pointer(skb, offset, sizeof(_udph), &_udph); if (uh != NULL) sip->sin6_port = uh->source; @@ -3985,7 +3986,8 @@ access_check: #if IS_ENABLED(CONFIG_IPV6) case PF_INET6: proto = smk_skb_to_addr_ipv6(skb, &sadd); - if (proto != IPPROTO_UDP && proto != IPPROTO_TCP) + if (proto != IPPROTO_UDP && proto != IPPROTO_UDPLITE && + proto != IPPROTO_TCP && proto != IPPROTO_DCCP) break; #ifdef SMACK_IPV6_SECMARK_LABELING if (skb && skb->secmark != 0) |