# # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright (c) 2012, Joyent, Inc. All rights reserved. # ppriv -s A=basic,dtrace_proc,dtrace_user $$ /usr/sbin/dtrace -q -Cs /dev/stdin <<EOF #define CANREAD(field) \ BEGIN { this->fp = getf(0); errmsg = "can't read field"; \ printf("field: "); trace(this->fp->field); printf("\n"); } #define CANTREAD(field) \ BEGIN { errmsg = ""; this->fp = getf(0); trace(this->fp->field); \ printf("\nable to successfully read field!"); exit(1); } CANREAD(f_flag) CANREAD(f_flag2) CANREAD(f_vnode) CANREAD(f_offset) CANREAD(f_cred) CANREAD(f_audit_data) CANREAD(f_count) /* * We can potentially read parts of our cred, but we can't dereference * through cr_zone. */ CANTREAD(f_cred->cr_zone->zone_id) CANREAD(f_vnode->v_path) CANREAD(f_vnode->v_op) CANREAD(f_vnode->v_op->vnop_name) CANTREAD(f_vnode->v_flag) CANTREAD(f_vnode->v_count) CANTREAD(f_vnode->v_pages) CANTREAD(f_vnode->v_type) CANTREAD(f_vnode->v_vfsmountedhere) CANTREAD(f_vnode->v_op->vop_open) BEGIN { errmsg = ""; this->fp = getf(0); this->fp2 = getf(1); trace(this->fp->f_vnode); printf("\nable to successfully read this->fp!"); exit(1); } BEGIN { errmsg = ""; this->fp = getf(0); } BEGIN { trace(this->fp->f_vnode); printf("\nable to successfully read this->fp from prior clause!"); } BEGIN { exit(0); } ERROR /errmsg != ""/ { printf("fatal error: %s", errmsg); exit(1); } EOF |