1178825Sdfr/* 2233294Sstas * Copyright (c) 1997-2005 Kungliga Tekniska H��gskolan 3233294Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4233294Sstas * All rights reserved. 5178825Sdfr * 6233294Sstas * Portions Copyright (c) 2009 Apple Inc. All rights reserved. 7178825Sdfr * 8233294Sstas * Redistribution and use in source and binary forms, with or without 9233294Sstas * modification, are permitted provided that the following conditions 10233294Sstas * are met: 11178825Sdfr * 12233294Sstas * 1. Redistributions of source code must retain the above copyright 13233294Sstas * notice, this list of conditions and the following disclaimer. 14178825Sdfr * 15233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 16233294Sstas * notice, this list of conditions and the following disclaimer in the 17233294Sstas * documentation and/or other materials provided with the distribution. 18178825Sdfr * 19233294Sstas * 3. Neither the name of the Institute nor the names of its contributors 20233294Sstas * may be used to endorse or promote products derived from this software 21233294Sstas * without specific prior written permission. 22233294Sstas * 23233294Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27233294Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31233294Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33233294Sstas * SUCH DAMAGE. 34178825Sdfr */ 35178825Sdfr 36178825Sdfr#include "kcm_locl.h" 37178825Sdfr 38233294Sstasvoid 39233294Sstaskcm_service(void *ctx, const heim_idata *req, 40233294Sstas const heim_icred cred, 41233294Sstas heim_ipc_complete complete, 42233294Sstas heim_sipc_call cctx) 43233294Sstas{ 44233294Sstas kcm_client peercred; 45233294Sstas krb5_error_code ret; 46233294Sstas krb5_data request, rep; 47178825Sdfr unsigned char *buf; 48178825Sdfr size_t len; 49178825Sdfr 50233294Sstas krb5_data_zero(&rep); 51178825Sdfr 52233294Sstas peercred.uid = heim_ipc_cred_get_uid(cred); 53233294Sstas peercred.gid = heim_ipc_cred_get_gid(cred); 54233294Sstas peercred.pid = heim_ipc_cred_get_pid(cred); 55233294Sstas peercred.session = heim_ipc_cred_get_session(cred); 56178825Sdfr 57233294Sstas if (req->length < 4) { 58233294Sstas kcm_log(1, "malformed request from process %d (too short)", 59233294Sstas peercred.pid); 60233294Sstas (*complete)(cctx, EINVAL, NULL); 61178825Sdfr return; 62178825Sdfr } 63178825Sdfr 64233294Sstas buf = req->data; 65233294Sstas len = req->length; 66178825Sdfr 67178825Sdfr if (buf[0] != KCM_PROTOCOL_VERSION_MAJOR || 68178825Sdfr buf[1] != KCM_PROTOCOL_VERSION_MINOR) { 69178825Sdfr kcm_log(1, "incorrect protocol version %d.%d from process %d", 70233294Sstas buf[0], buf[1], peercred.pid); 71233294Sstas (*complete)(cctx, EINVAL, NULL); 72233294Sstas return; 73178825Sdfr } 74178825Sdfr 75233294Sstas request.data = buf + 2; 76233294Sstas request.length = len - 2; 77178825Sdfr 78178825Sdfr /* buf is now pointing at opcode */ 79178825Sdfr 80233294Sstas ret = kcm_dispatch(kcm_context, &peercred, &request, &rep); 81178825Sdfr 82233294Sstas (*complete)(cctx, ret, &rep); 83233294Sstas krb5_data_free(&rep); 84178825Sdfr} 85