1/* $NetBSD$ */ 2 3/* 4 * Copyright (c) 1997 - 2001 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "krb5_locl.h" 37 38KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 39krb5_sock_to_principal (krb5_context context, 40 int sock, 41 const char *sname, 42 int32_t type, 43 krb5_principal *ret_princ) 44{ 45 krb5_error_code ret; 46 struct sockaddr_storage __ss; 47 struct sockaddr *sa = (struct sockaddr *)&__ss; 48 socklen_t salen = sizeof(__ss); 49 char hostname[NI_MAXHOST]; 50 51 if (getsockname (sock, sa, &salen) < 0) { 52 ret = errno; 53 krb5_set_error_message (context, ret, "getsockname: %s", strerror(ret)); 54 return ret; 55 } 56 ret = getnameinfo (sa, salen, hostname, sizeof(hostname), NULL, 0, 0); 57 if (ret) { 58 int save_errno = errno; 59 krb5_error_code ret2 = krb5_eai_to_heim_errno(ret, save_errno); 60 krb5_set_error_message (context, ret2, "getnameinfo: %s", gai_strerror(ret)); 61 return ret2; 62 } 63 64 ret = krb5_sname_to_principal (context, 65 hostname, 66 sname, 67 type, 68 ret_princ); 69 return ret; 70} 71