The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/kgssapi/gss_add_oid_set_member.c

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    1 /*-
    2  * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
    3  * Authors: Doug Rabson <dfr@rabson.org>
    4  * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD: stable/9/sys/kgssapi/gss_add_oid_set_member.c 184588 2008-11-03 10:38:00Z dfr $");
   30 
   31 #include <sys/param.h>
   32 #include <sys/kernel.h>
   33 #include <sys/kobj.h>
   34 #include <sys/malloc.h>
   35 
   36 #include <kgssapi/gssapi.h>
   37 #include <kgssapi/gssapi_impl.h>
   38 
   39 OM_uint32
   40 gss_add_oid_set_member(OM_uint32 *minor_status,
   41     const gss_OID member_oid,
   42     gss_OID_set *oid_set)
   43 {
   44         OM_uint32 major_status;
   45         gss_OID_set set = *oid_set;
   46         gss_OID new_elements;
   47         gss_OID new_oid;
   48         int t;
   49 
   50         *minor_status = 0;
   51 
   52         major_status = gss_test_oid_set_member(minor_status,
   53             member_oid, *oid_set, &t);
   54         if (major_status)
   55                 return (major_status);
   56         if (t)
   57                 return (GSS_S_COMPLETE);
   58 
   59         new_elements = malloc((set->count + 1) * sizeof(gss_OID_desc),
   60             M_GSSAPI, M_WAITOK);
   61 
   62         new_oid = &new_elements[set->count];
   63         new_oid->elements = malloc(member_oid->length, M_GSSAPI, M_WAITOK);
   64         new_oid->length = member_oid->length;
   65         memcpy(new_oid->elements, member_oid->elements, member_oid->length);
   66 
   67         if (set->elements) {
   68                 memcpy(new_elements, set->elements,
   69                     set->count * sizeof(gss_OID_desc));
   70                 free(set->elements, M_GSSAPI);
   71         }
   72         set->elements = new_elements;
   73         set->count++;
   74 
   75         return (GSS_S_COMPLETE);
   76 }

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