diff options
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_mech.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/gss_mech_switch.c | 12 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 12 |
4 files changed, 26 insertions, 2 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index e64ae93d5b4f..bca3537efffd 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1017,6 +1017,8 @@ gss_create_new(struct rpc_auth_create_args *args, struct rpc_clnt *clnt) auth->au_rslack = GSS_VERF_SLACK >> 2; auth->au_ops = &authgss_ops; auth->au_flavor = flavor; + if (gss_pseudoflavor_to_datatouch(gss_auth->mech, flavor)) + auth->au_flags |= RPCAUTH_AUTH_DATATOUCH; atomic_set(&auth->au_count, 1); kref_init(&gss_auth->kref); diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c index 65427492b1c9..60595835317a 100644 --- a/net/sunrpc/auth_gss/gss_krb5_mech.c +++ b/net/sunrpc/auth_gss/gss_krb5_mech.c @@ -745,12 +745,14 @@ static struct pf_desc gss_kerberos_pfs[] = { .qop = GSS_C_QOP_DEFAULT, .service = RPC_GSS_SVC_INTEGRITY, .name = "krb5i", + .datatouch = true, }, [2] = { .pseudoflavor = RPC_AUTH_GSS_KRB5P, .qop = GSS_C_QOP_DEFAULT, .service = RPC_GSS_SVC_PRIVACY, .name = "krb5p", + .datatouch = true, }, }; diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c index 7063d856a598..5fec3abbe19b 100644 --- a/net/sunrpc/auth_gss/gss_mech_switch.c +++ b/net/sunrpc/auth_gss/gss_mech_switch.c @@ -361,6 +361,18 @@ gss_pseudoflavor_to_service(struct gss_api_mech *gm, u32 pseudoflavor) } EXPORT_SYMBOL(gss_pseudoflavor_to_service); +bool +gss_pseudoflavor_to_datatouch(struct gss_api_mech *gm, u32 pseudoflavor) +{ + int i; + + for (i = 0; i < gm->gm_pf_num; i++) { + if (gm->gm_pfs[i].pseudoflavor == pseudoflavor) + return gm->gm_pfs[i].datatouch; + } + return false; +} + char * gss_service_to_auth_domain_name(struct gss_api_mech *gm, u32 service) { diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index dac2990ae2f7..a47f170b20ef 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -570,6 +570,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) struct rpcrdma_req *req = rpcr_to_rdmar(rqst); enum rpcrdma_chunktype rtype, wtype; struct rpcrdma_msg *headerp; + bool ddp_allowed; ssize_t hdrlen; size_t rpclen; __be32 *iptr; @@ -586,6 +587,13 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) headerp->rm_credit = cpu_to_be32(r_xprt->rx_buf.rb_max_requests); headerp->rm_type = rdma_msg; + /* When the ULP employs a GSS flavor that guarantees integrity + * or privacy, direct data placement of individual data items + * is not allowed. + */ + ddp_allowed = !(rqst->rq_cred->cr_auth->au_flags & + RPCAUTH_AUTH_DATATOUCH); + /* * Chunks needed for results? * @@ -597,7 +605,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) */ if (rpcrdma_results_inline(r_xprt, rqst)) wtype = rpcrdma_noch; - else if (rqst->rq_rcv_buf.flags & XDRBUF_READ) + else if (ddp_allowed && rqst->rq_rcv_buf.flags & XDRBUF_READ) wtype = rpcrdma_writech; else wtype = rpcrdma_replych; @@ -620,7 +628,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) rtype = rpcrdma_noch; rpcrdma_inline_pullup(rqst); rpclen = rqst->rq_svec[0].iov_len; - } else if (rqst->rq_snd_buf.flags & XDRBUF_WRITE) { + } else if (ddp_allowed && rqst->rq_snd_buf.flags & XDRBUF_WRITE) { rtype = rpcrdma_readch; rpclen = rqst->rq_svec[0].iov_len; rpclen += rpcrdma_tail_pullup(&rqst->rq_snd_buf); |
