diff options
Diffstat (limited to 'net/sctp/bind_addr.c')
| -rw-r--r-- | net/sctp/bind_addr.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index 6d5944a745d4..13a6fba41077 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -510,9 +510,28 @@ int sctp_in_scope(const union sctp_addr *addr, sctp_scope_t scope) * of requested destination address, sender and receiver * SHOULD include all of its addresses with level greater * than or equal to L. + * + * Address scoping can be selectively controlled via sysctl + * option */ - if (addr_scope <= scope) + switch (sctp_scope_policy) { + case SCTP_SCOPE_POLICY_DISABLE: return 1; + case SCTP_SCOPE_POLICY_ENABLE: + if (addr_scope <= scope) + return 1; + break; + case SCTP_SCOPE_POLICY_PRIVATE: + if (addr_scope <= scope || SCTP_SCOPE_PRIVATE == addr_scope) + return 1; + break; + case SCTP_SCOPE_POLICY_LINK: + if (addr_scope <= scope || SCTP_SCOPE_LINK == addr_scope) + return 1; + break; + default: + break; + } return 0; } |