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| author |   Richard Haines <richard_c_haines@btinternet.com> | 2018-02-13 20:56:24 +0000 |
|---|---|---|
| committer |   Paul Moore <paul@paul-moore.com> | 2018-02-26 17:45:23 -0500 |
| commit | 2277c7cd75e39783eeb7512a6c35f8b4abbe1039 (patch) | |
| tree | 247a9b36acd431330a479ccdcb9b277f0b4d4973 /net/sctp/sm_make_chunk.c | |
| parent | sctp: Add ip option support (diff) | |
| download | linux-dev-2277c7cd75e39783eeb7512a6c35f8b4abbe1039.tar.xz linux-dev-2277c7cd75e39783eeb7512a6c35f8b4abbe1039.zip | |
sctp: Add LSM hooks
Add security hooks allowing security modules to exercise access control
over SCTP.
Signed-off-by: Richard Haines <richard_c_haines@btinternet.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index d01475f5f710..70274ae5ac6f 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -3071,6 +3071,12 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, if (af->is_any(&addr)) memcpy(&addr, &asconf->source, sizeof(addr)); + if (security_sctp_bind_connect(asoc->ep->base.sk, + SCTP_PARAM_ADD_IP, + (struct sockaddr *)&addr, + af->sockaddr_len)) + return SCTP_ERROR_REQ_REFUSED; + /* ADDIP 4.3 D9) If an endpoint receives an ADD IP address * request and does not have the local resources to add this * new address to the association, it MUST return an Error @@ -3137,6 +3143,12 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, if (af->is_any(&addr)) memcpy(&addr.v4, sctp_source(asconf), sizeof(addr)); + if (security_sctp_bind_connect(asoc->ep->base.sk, + SCTP_PARAM_SET_PRIMARY, + (struct sockaddr *)&addr, + af->sockaddr_len)) + return SCTP_ERROR_REQ_REFUSED; + peer = sctp_assoc_lookup_paddr(asoc, &addr); if (!peer) return SCTP_ERROR_DNS_FAILED; |