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| author | Xin Long <lucien.xin@gmail.com> | 2019-01-28 08:08:42 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-01-30 09:44:08 +0100 |
| commit | 2af66ff3edc79d225e52821fe2464a4cf0c8ba18 (patch) | |
| tree | ebcc88d33543c3ea1ec19fc14c5dcbba5096b32b /net/sctp | |
| parent | sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_DELETE_K... (diff) | |
| download | linux-2af66ff3edc79d225e52821fe2464a4cf0c8ba18.tar.xz linux-2af66ff3edc79d225e52821fe2464a4cf0c8ba18.zip | |
sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_DEACTIVATE_KEY sockopt
Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_deactivate_key.
SCTP_CURRENT_ASSOC is supported for SCTP_AUTH_DEACTIVATE_KEY in this
patch.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/socket.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index c3463f77d706..3a954aceeb88 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3933,8 +3933,9 @@ static int sctp_setsockopt_deactivate_key(struct sock *sk, char __user *optval, unsigned int optlen) { struct sctp_endpoint *ep = sctp_sk(sk)->ep; - struct sctp_authkeyid val; struct sctp_association *asoc; + struct sctp_authkeyid val; + int ret = 0; if (!ep->auth_enable) return -EACCES; @@ -3945,10 +3946,32 @@ static int sctp_setsockopt_deactivate_key(struct sock *sk, char __user *optval, return -EFAULT; asoc = sctp_id2assoc(sk, val.scact_assoc_id); - if (!asoc && val.scact_assoc_id && sctp_style(sk, UDP)) + if (!asoc && val.scact_assoc_id > SCTP_ALL_ASSOC && + sctp_style(sk, UDP)) return -EINVAL; - return sctp_auth_deact_key_id(ep, asoc, val.scact_keynumber); + if (asoc) + return sctp_auth_deact_key_id(ep, asoc, val.scact_keynumber); + + if (val.scact_assoc_id == SCTP_FUTURE_ASSOC || + val.scact_assoc_id == SCTP_ALL_ASSOC) { + ret = sctp_auth_deact_key_id(ep, asoc, val.scact_keynumber); + if (ret) + return ret; + } + + if (val.scact_assoc_id == SCTP_CURRENT_ASSOC || + val.scact_assoc_id == SCTP_ALL_ASSOC) { + list_for_each_entry(asoc, &ep->asocs, asocs) { + int res = sctp_auth_deact_key_id(ep, asoc, + val.scact_keynumber); + + if (res && !ret) + ret = res; + } + } + + return ret; } /* |