155682Smarkm/* 2233294Sstas * Copyright (c) 1997 - 2001 Kungliga Tekniska H��gskolan 3233294Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4233294Sstas * All rights reserved. 555682Smarkm * 6233294Sstas * Redistribution and use in source and binary forms, with or without 7233294Sstas * modification, are permitted provided that the following conditions 8233294Sstas * are met: 955682Smarkm * 10233294Sstas * 1. Redistributions of source code must retain the above copyright 11233294Sstas * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 13233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 14233294Sstas * notice, this list of conditions and the following disclaimer in the 15233294Sstas * documentation and/or other materials provided with the distribution. 1655682Smarkm * 17233294Sstas * 3. Neither the name of the Institute nor the names of its contributors 18233294Sstas * may be used to endorse or promote products derived from this software 19233294Sstas * without specific prior written permission. 2055682Smarkm * 21233294Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25233294Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29233294Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31233294Sstas * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#include "krb5_locl.h" 3555682Smarkm 36233294SstasKRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 3755682Smarkmkrb5_sock_to_principal (krb5_context context, 3855682Smarkm int sock, 3955682Smarkm const char *sname, 4055682Smarkm int32_t type, 4155682Smarkm krb5_principal *ret_princ) 4255682Smarkm{ 4355682Smarkm krb5_error_code ret; 4455682Smarkm struct sockaddr_storage __ss; 4555682Smarkm struct sockaddr *sa = (struct sockaddr *)&__ss; 4690926Snectar socklen_t salen = sizeof(__ss); 4790926Snectar char hostname[NI_MAXHOST]; 4855682Smarkm 4990926Snectar if (getsockname (sock, sa, &salen) < 0) { 5078527Sassar ret = errno; 51233294Sstas krb5_set_error_message (context, ret, "getsockname: %s", strerror(ret)); 5278527Sassar return ret; 5378527Sassar } 5490926Snectar ret = getnameinfo (sa, salen, hostname, sizeof(hostname), NULL, 0, 0); 5590926Snectar if (ret) { 5690926Snectar int save_errno = errno; 57233294Sstas krb5_error_code ret2 = krb5_eai_to_heim_errno(ret, save_errno); 58233294Sstas krb5_set_error_message (context, ret2, "getnameinfo: %s", gai_strerror(ret)); 59233294Sstas return ret2; 6078527Sassar } 6172445Sassar 6290926Snectar ret = krb5_sname_to_principal (context, 6390926Snectar hostname, 6490926Snectar sname, 6590926Snectar type, 6690926Snectar ret_princ); 6790926Snectar return ret; 6855682Smarkm} 69