FreeBSD/Linux Kernel Cross Reference
sys/compat/mach/mach_bootstrap.c

     /*      $NetBSD: mach_bootstrap.c,v 1.14 2008/04/28 20:23:44 martin Exp $ */
     
     /*-
      * Copyright (c) 2002-2003 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Emmanuel Dreyfus
      *
     * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: mach_bootstrap.c,v 1.14 2008/04/28 20:23:44 martin Exp $");
    
    #include <sys/types.h>
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/signal.h>
    #include <sys/proc.h>
    
    #include <compat/mach/mach_types.h>
    #include <compat/mach/mach_message.h>
    #include <compat/mach/mach_port.h>
    #include <compat/mach/mach_bootstrap.h>
    #include <compat/mach/mach_errno.h>
    #include <compat/mach/mach_services.h>
    
    int
    mach_bootstrap_look_up(struct mach_trap_args *args)
    {
            mach_bootstrap_look_up_request_t *req = args->smsg;
            mach_bootstrap_look_up_reply_t *rep = args->rmsg;
            struct lwp *l = args->l;
            size_t *msglen = args->rsize;
            const char service_name[] = "lookup\021"; /* XXX Why */
            int service_name_len;
            struct mach_right *mr;
            size_t len;
    
            /* The trailer is word aligned  */
            service_name_len = (sizeof(service_name) + 1) & ~0x7UL;
            len = sizeof(*rep) - sizeof(rep->rep_service_name) + service_name_len;
    
            if (len > *msglen)
                    return mach_msg_error(args, EINVAL);
            *msglen = len;
    
            mr = mach_right_get(NULL, l, MACH_PORT_TYPE_DEAD_NAME, 0);
    
            mach_set_header(rep, req, *msglen);
    
            rep->rep_count = 1;
            rep->rep_bootstrap_port = mr->mr_name;
            strncpy((char *)rep->rep_service_name, service_name,
                service_name_len);
    
            mach_set_trailer(rep, *msglen);
    
            return 0;
    }
    

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