/* * Copyright (c) 1997-2005 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Portions Copyright (c) 2009 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "kcm_locl.h" void kcm_service(void *ctx, const heim_idata *req, const heim_icred cred, heim_ipc_complete complete, heim_sipc_call cctx) { kcm_client peercred; krb5_error_code ret; krb5_data request, rep; unsigned char *buf; size_t len; krb5_data_zero(&rep); peercred.uid = heim_ipc_cred_get_uid(cred); peercred.gid = heim_ipc_cred_get_gid(cred); peercred.pid = heim_ipc_cred_get_pid(cred); peercred.session = heim_ipc_cred_get_session(cred); if (req->length < 4) { kcm_log(1, "malformed request from process %d (too short)", peercred.pid); (*complete)(cctx, EINVAL, NULL); return; } buf = req->data; len = req->length; if (buf[0] != KCM_PROTOCOL_VERSION_MAJOR || buf[1] != KCM_PROTOCOL_VERSION_MINOR) { kcm_log(1, "incorrect protocol version %d.%d from process %d", buf[0], buf[1], peercred.pid); (*complete)(cctx, EINVAL, NULL); return; } request.data = buf + 2; request.length = len - 2; /* buf is now pointing at opcode */ ret = kcm_dispatch(kcm_context, &peercred, &request, &rep); (*complete)(cctx, ret, &rep); krb5_data_free(&rep); } |