diff options
Diffstat (limited to 'net/sctp/socket.c')
| -rw-r--r-- | net/sctp/socket.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 3a954aceeb88..2f701710b198 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4136,6 +4136,7 @@ static int sctp_setsockopt_default_prinfo(struct sock *sk, char __user *optval, unsigned int optlen) { + struct sctp_sock *sp = sctp_sk(sk); struct sctp_default_prinfo info; struct sctp_association *asoc; int retval = -EINVAL; @@ -4155,19 +4156,31 @@ static int sctp_setsockopt_default_prinfo(struct sock *sk, info.pr_value = 0; asoc = sctp_id2assoc(sk, info.pr_assoc_id); + if (!asoc && info.pr_assoc_id > SCTP_ALL_ASSOC && + sctp_style(sk, UDP)) + goto out; + + retval = 0; + if (asoc) { SCTP_PR_SET_POLICY(asoc->default_flags, info.pr_policy); asoc->default_timetolive = info.pr_value; - } else if (!info.pr_assoc_id) { - struct sctp_sock *sp = sctp_sk(sk); + goto out; + } + if (info.pr_assoc_id == SCTP_FUTURE_ASSOC || + info.pr_assoc_id == SCTP_ALL_ASSOC) { SCTP_PR_SET_POLICY(sp->default_flags, info.pr_policy); sp->default_timetolive = info.pr_value; - } else { - goto out; } - retval = 0; + if (info.pr_assoc_id == SCTP_CURRENT_ASSOC || + info.pr_assoc_id == SCTP_ALL_ASSOC) { + list_for_each_entry(asoc, &sp->ep->asocs, asocs) { + SCTP_PR_SET_POLICY(asoc->default_flags, info.pr_policy); + asoc->default_timetolive = info.pr_value; + } + } out: return retval; @@ -7288,17 +7301,20 @@ static int sctp_getsockopt_default_prinfo(struct sock *sk, int len, goto out; asoc = sctp_id2assoc(sk, info.pr_assoc_id); + if (!asoc && info.pr_assoc_id != SCTP_FUTURE_ASSOC && + sctp_style(sk, UDP)) { + retval = -EINVAL; + goto out; + } + if (asoc) { info.pr_policy = SCTP_PR_POLICY(asoc->default_flags); info.pr_value = asoc->default_timetolive; - } else if (!info.pr_assoc_id) { + } else { struct sctp_sock *sp = sctp_sk(sk); info.pr_policy = SCTP_PR_POLICY(sp->default_flags); info.pr_value = sp->default_timetolive; - } else { - retval = -EINVAL; - goto out; } if (put_user(len, optlen)) |