81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/*
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* Copyright (c) 2011, PADL Software Pty Ltd.
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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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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 "gsskrb5_locl.h"
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OM_uint32
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_gsskrb5_pname_to_uid(OM_uint32 *minor_status,
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const gss_name_t pname,
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const gss_OID mech_type,
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uid_t *uidp)
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{
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krb5_error_code ret;
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krb5_context context;
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krb5_const_principal princ = (krb5_const_principal)pname;
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char localname[256];
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#ifdef POSIX_GETPWNAM_R
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char pwbuf[2048];
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struct passwd pw, *pwd;
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#else
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struct passwd *pwd;
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#endif
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GSSAPI_KRB5_INIT(&context);
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*minor_status = 0;
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ret = krb5_aname_to_localname(context, princ,
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sizeof(localname), localname);
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if (ret != 0) {
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*minor_status = ret;
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return GSS_S_FAILURE;
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}
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#ifdef POSIX_GETPWNAM_R
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if (getpwnam_r(localname, &pw, pwbuf, sizeof(pwbuf), &pwd) != 0) {
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*minor_status = KRB5_NO_LOCALNAME;
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return GSS_S_FAILURE;
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}
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#else
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pwd = getpwnam(localname);
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#endif
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if (pwd == NULL) {
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*minor_status = KRB5_NO_LOCALNAME;
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return GSS_S_FAILURE;
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}
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*uidp = pwd->pw_uid;
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return GSS_S_COMPLETE;
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}
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