gss_pname_to_uid.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: releng/11.2/sys/kgssapi/gss_pname_to_uid.c 244370 2012-12-18 00:25:48Z rmacklem $");
   30 
   31 #include <sys/param.h>
   32 #include <sys/kernel.h>
   33 #include <sys/kobj.h>
   34 #include <sys/lock.h>
   35 #include <sys/malloc.h>
   36 #include <sys/mutex.h>
   37 
   38 #include <kgssapi/gssapi.h>
   39 #include <kgssapi/gssapi_impl.h>
   40 
   41 #include "kgss_if.h"
   42 
   43 OM_uint32
   44 gss_pname_to_uid(OM_uint32 *minor_status, const gss_name_t pname,
   45     const gss_OID mech, uid_t *uidp)
   46 {
   47         struct pname_to_uid_res res;
   48         struct pname_to_uid_args args;
   49         enum clnt_stat stat;
   50         CLIENT *cl;
   51 
   52         *minor_status = 0;
   53 
   54         if (pname == GSS_C_NO_NAME)
   55                 return (GSS_S_BAD_NAME);
   56 
   57         cl = kgss_gssd_client();
   58         if (cl == NULL)
   59                 return (GSS_S_FAILURE);
   60 
   61         args.pname = pname->handle;
   62         args.mech = mech;
   63 
   64         bzero(&res, sizeof(res));
   65         stat = gssd_pname_to_uid_1(&args, &res, cl);
   66         CLNT_RELEASE(cl);
   67         if (stat != RPC_SUCCESS) {
   68                 *minor_status = stat;
   69                 return (GSS_S_FAILURE);
   70         }
   71 
   72         if (res.major_status != GSS_S_COMPLETE) {
   73                 *minor_status = res.minor_status;
   74                 return (res.major_status);
   75         }
   76 
   77         *uidp = res.uid;
   78         return (GSS_S_COMPLETE);
   79 }
   80 
   81 OM_uint32
   82 gss_pname_to_unix_cred(OM_uint32 *minor_status, const gss_name_t pname,
   83     const gss_OID mech, uid_t *uidp, gid_t *gidp,
   84     int *numgroups, gid_t *groups)
   85               
   86 {
   87         struct pname_to_uid_res res;
   88         struct pname_to_uid_args args;
   89         enum clnt_stat stat;
   90         int i, n;
   91         CLIENT *cl;
   92 
   93         *minor_status = 0;
   94 
   95         if (pname == GSS_C_NO_NAME)
   96                 return (GSS_S_BAD_NAME);
   97 
   98         cl = kgss_gssd_client();
   99         if (cl == NULL)
  100                 return (GSS_S_FAILURE);
  101 
  102         args.pname = pname->handle;
  103         args.mech = mech;
  104 
  105         bzero(&res, sizeof(res));
  106         stat = gssd_pname_to_uid_1(&args, &res, cl);
  107         CLNT_RELEASE(cl);
  108         if (stat != RPC_SUCCESS) {
  109                 *minor_status = stat;
  110                 return (GSS_S_FAILURE);
  111         }
  112 
  113         if (res.major_status != GSS_S_COMPLETE) {
  114                 *minor_status = res.minor_status;
  115                 return (res.major_status);
  116         }
  117 
  118         *uidp = res.uid;
  119         *gidp = res.gid;
  120         n = res.gidlist.gidlist_len;
  121         if (n > *numgroups)
  122                 n = *numgroups;
  123         for (i = 0; i < n; i++)
  124                 groups[i] = res.gidlist.gidlist_val[i];
  125         *numgroups = n;
  126 
  127         xdr_free((xdrproc_t) xdr_pname_to_uid_res, &res);
  128 
  129         return (GSS_S_COMPLETE);
  130 }

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

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sys/kgssapi/gss_pname_to_uid.c