1b528cefcSMark Murray /* 2*ae771770SStanislav Sedov * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan 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 36*ae771770SStanislav Sedov KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 37b528cefcSMark Murray krb5_sock_to_principal (krb5_context context, 38b528cefcSMark Murray int sock, 39b528cefcSMark Murray const char *sname, 40b528cefcSMark Murray int32_t type, 41b528cefcSMark Murray krb5_principal *ret_princ) 42b528cefcSMark Murray { 43b528cefcSMark Murray krb5_error_code ret; 44b528cefcSMark Murray struct sockaddr_storage __ss; 45b528cefcSMark Murray struct sockaddr *sa = (struct sockaddr *)&__ss; 464137ff4cSJacques Vidrine socklen_t salen = sizeof(__ss); 474137ff4cSJacques Vidrine char hostname[NI_MAXHOST]; 48b528cefcSMark Murray 494137ff4cSJacques Vidrine if (getsockname (sock, sa, &salen) < 0) { 50adb0ddaeSAssar Westerlund ret = errno; 51*ae771770SStanislav Sedov krb5_set_error_message (context, ret, "getsockname: %s", strerror(ret)); 52adb0ddaeSAssar Westerlund return ret; 53adb0ddaeSAssar Westerlund } 544137ff4cSJacques Vidrine ret = getnameinfo (sa, salen, hostname, sizeof(hostname), NULL, 0, 0); 554137ff4cSJacques Vidrine if (ret) { 564137ff4cSJacques Vidrine int save_errno = errno; 57*ae771770SStanislav Sedov krb5_error_code ret2 = krb5_eai_to_heim_errno(ret, save_errno); 58*ae771770SStanislav Sedov krb5_set_error_message (context, ret2, "getnameinfo: %s", gai_strerror(ret)); 59*ae771770SStanislav Sedov return ret2; 605e9cd1aeSAssar Westerlund } 615e9cd1aeSAssar Westerlund 624137ff4cSJacques Vidrine ret = krb5_sname_to_principal (context, 634137ff4cSJacques Vidrine hostname, 64b528cefcSMark Murray sname, 65b528cefcSMark Murray type, 66b528cefcSMark Murray ret_princ); 674137ff4cSJacques Vidrine return ret; 68b528cefcSMark Murray } 69