71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/*
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* Copyright (c) 1997 - 2001 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: sock_principal.c,v 1.16 2001/07/26 09:05:30 assar Exp $");
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krb5_error_code
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krb5_sock_to_principal (krb5_context context,
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int sock,
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const char *sname,
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int32_t type,
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krb5_principal *ret_princ)
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{
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krb5_error_code ret;
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struct sockaddr_storage __ss;
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struct sockaddr *sa = (struct sockaddr *)&__ss;
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socklen_t salen = sizeof(__ss);
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char hostname[NI_MAXHOST];
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if (getsockname (sock, sa, &salen) < 0) {
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ret = errno;
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krb5_set_error_string (context, "getsockname: %s", strerror(ret));
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return ret;
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}
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ret = getnameinfo (sa, salen, hostname, sizeof(hostname), NULL, 0, 0);
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if (ret) {
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int save_errno = errno;
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krb5_set_error_string (context, "getnameinfo: %s", gai_strerror(ret));
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return krb5_eai_to_heim_errno(ret, save_errno);
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}
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ret = krb5_sname_to_principal (context,
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hostname,
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sname,
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type,
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ret_princ);
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return ret;
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}
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