1b528cefcSMark Murray /* 2b528cefcSMark Murray * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H�gskolan 3b528cefcSMark Murray * (Royal Institute of Technology, Stockholm, Sweden). 4b528cefcSMark Murray * All rights reserved. 5b528cefcSMark Murray * 6b528cefcSMark Murray * Redistribution and use in source and binary forms, with or without 7b528cefcSMark Murray * modification, are permitted provided that the following conditions 8b528cefcSMark Murray * are met: 9b528cefcSMark Murray * 10b528cefcSMark Murray * 1. Redistributions of source code must retain the above copyright 11b528cefcSMark Murray * notice, this list of conditions and the following disclaimer. 12b528cefcSMark Murray * 13b528cefcSMark Murray * 2. Redistributions in binary form must reproduce the above copyright 14b528cefcSMark Murray * notice, this list of conditions and the following disclaimer in the 15b528cefcSMark Murray * documentation and/or other materials provided with the distribution. 16b528cefcSMark Murray * 17b528cefcSMark Murray * 3. Neither the name of the Institute nor the names of its contributors 18b528cefcSMark Murray * may be used to endorse or promote products derived from this software 19b528cefcSMark Murray * without specific prior written permission. 20b528cefcSMark Murray * 21b528cefcSMark Murray * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22b528cefcSMark Murray * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23b528cefcSMark Murray * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24b528cefcSMark Murray * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25b528cefcSMark Murray * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26b528cefcSMark Murray * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27b528cefcSMark Murray * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28b528cefcSMark Murray * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29b528cefcSMark Murray * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30b528cefcSMark Murray * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31b528cefcSMark Murray * SUCH DAMAGE. 32b528cefcSMark Murray */ 33b528cefcSMark Murray 34b528cefcSMark Murray #include "krb5_locl.h" 35b528cefcSMark Murray 36b528cefcSMark Murray RCSID("$Id: sock_principal.c,v 1.9 1999/12/02 17:05:12 joda Exp $"); 37b528cefcSMark Murray 38b528cefcSMark Murray krb5_error_code 39b528cefcSMark Murray krb5_sock_to_principal (krb5_context context, 40b528cefcSMark Murray int sock, 41b528cefcSMark Murray const char *sname, 42b528cefcSMark Murray int32_t type, 43b528cefcSMark Murray krb5_principal *ret_princ) 44b528cefcSMark Murray { 45b528cefcSMark Murray krb5_error_code ret; 46b528cefcSMark Murray krb5_address address; 47b528cefcSMark Murray struct sockaddr_storage __ss; 48b528cefcSMark Murray struct sockaddr *sa = (struct sockaddr *)&__ss; 49b528cefcSMark Murray int len = sizeof(__ss); 50b528cefcSMark Murray struct hostent *hostent; 51b528cefcSMark Murray int family; 52b528cefcSMark Murray char hname[256]; 53b528cefcSMark Murray 54b528cefcSMark Murray if (getsockname (sock, sa, &len) < 0) 55b528cefcSMark Murray return errno; 56b528cefcSMark Murray family = sa->sa_family; 57b528cefcSMark Murray 58b528cefcSMark Murray ret = krb5_sockaddr2address (sa, &address); 59b528cefcSMark Murray if (ret) 60b528cefcSMark Murray return ret; 61b528cefcSMark Murray 62b528cefcSMark Murray hostent = roken_gethostbyaddr (address.address.data, 63b528cefcSMark Murray address.address.length, 64b528cefcSMark Murray family); 65b528cefcSMark Murray 66b528cefcSMark Murray if (hostent == NULL) 67b528cefcSMark Murray return h_errno; 68b528cefcSMark Murray strlcpy(hname, hostent->h_name, sizeof(hname)); 69b528cefcSMark Murray return krb5_sname_to_principal (context, 70b528cefcSMark Murray hname, 71b528cefcSMark Murray sname, 72b528cefcSMark Murray type, 73b528cefcSMark Murray ret_princ); 74b528cefcSMark Murray } 75