LU-5560 security: send file security context for creates

[fs/lustre-release.git] / lustre / mdc / mdc_lib.c

diff --git a/lustre/mdc/mdc_lib.c b/lustre/mdc/mdc_lib.c
index 62e1cf9..f79c3a9 100644 (file)
--- a/lustre/mdc/mdc_lib.c
+++ b/lustre/mdc/mdc_lib.c
@@ -119,6 +119,30 @@ static void mdc_pack_name(struct ptlrpc_request *req,
        LASSERT(cpy_len == name_len && lu_name_is_valid_2(buf, cpy_len));
 }
 
+void mdc_file_secctx_pack(struct ptlrpc_request *req, const char *secctx_name,
+                         const void *secctx, size_t secctx_size)
+{
+       void *buf;
+       size_t buf_size;
+
+       if (secctx_name == NULL)
+               return;
+
+       buf = req_capsule_client_get(&req->rq_pill, &RMF_FILE_SECCTX_NAME);
+       buf_size = req_capsule_get_size(&req->rq_pill, &RMF_FILE_SECCTX_NAME,
+                                       RCL_CLIENT);
+
+       LASSERT(buf_size == strlen(secctx_name) + 1);
+       memcpy(buf, secctx_name, buf_size);
+
+       buf = req_capsule_client_get(&req->rq_pill, &RMF_FILE_SECCTX);
+       buf_size = req_capsule_get_size(&req->rq_pill, &RMF_FILE_SECCTX,
+                                       RCL_CLIENT);
+
+       LASSERT(buf_size == secctx_size);
+       memcpy(buf, secctx, buf_size);
+}
+
 void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, size_t size,
                      const struct lu_fid *fid)
 {
@@ -168,6 +192,10 @@ void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
                tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
                memcpy(tmp, data, datalen);
        }
+
+       mdc_file_secctx_pack(req, op_data->op_file_secctx_name,
+                            op_data->op_file_secctx,
+                            op_data->op_file_secctx_size);
 }
 
 static inline __u64 mds_pack_open_flags(__u64 flags)
@@ -237,6 +265,10 @@ void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
                        if (op_data->op_bias & MDS_CREATE_VOLATILE)
                                cr_flags |= MDS_OPEN_VOLATILE;
                }
+
+               mdc_file_secctx_pack(req, op_data->op_file_secctx_name,
+                                    op_data->op_file_secctx,
+                                    op_data->op_file_secctx_size);
        }
 
        if (lmm) {