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