91351971f7
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13863 ec53bebd-3082-4978-b11e-865c3cabbd6b
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/*
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* Copyright (c) 1997 - 1999, 2002 - 2003 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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* 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 <krb5_locl.h>
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RCSID("$Id$");
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krb5_error_code KRB5_LIB_FUNCTION
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krb5_aname_to_localname (krb5_context context,
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krb5_const_principal aname,
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size_t lnsize,
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char *lname)
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{
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krb5_error_code ret;
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krb5_realm *lrealms, *r;
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int valid;
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size_t len;
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const char *res;
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ret = krb5_get_default_realms (context, &lrealms);
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if (ret)
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return ret;
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valid = 0;
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for (r = lrealms; *r != NULL; ++r) {
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if (strcmp (*r, aname->realm) == 0) {
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valid = 1;
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break;
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}
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}
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krb5_free_host_realm (context, lrealms);
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if (valid == 0)
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return KRB5_NO_LOCALNAME;
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if (aname->name.name_string.len == 1)
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res = aname->name.name_string.val[0];
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else if (aname->name.name_string.len == 2
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&& strcmp (aname->name.name_string.val[1], "root") == 0) {
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krb5_principal rootprinc;
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krb5_boolean userok;
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res = "root";
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ret = krb5_copy_principal(context, aname, &rootprinc);
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if (ret)
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return ret;
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userok = krb5_kuserok(context, rootprinc, res);
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krb5_free_principal(context, rootprinc);
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if (!userok)
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return KRB5_NO_LOCALNAME;
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} else
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return KRB5_NO_LOCALNAME;
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len = strlen (res);
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if (len >= lnsize)
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return ERANGE;
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strlcpy (lname, res, lnsize);
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return 0;
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}
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