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Diffstat (limited to 'third_party/heimdal/kcm/connect.c')
-rw-r--r-- | third_party/heimdal/kcm/connect.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/third_party/heimdal/kcm/connect.c b/third_party/heimdal/kcm/connect.c new file mode 100644 index 0000000..ee09193 --- /dev/null +++ b/third_party/heimdal/kcm/connect.c @@ -0,0 +1,84 @@ +/* + * 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); +} |