1*428879dcSRick Macklem /*- 2*428879dcSRick Macklem * SPDX-License-Identifier: BSD-2-Clause 3*428879dcSRick Macklem * 4*428879dcSRick Macklem * Copyright (c) 2008 Isilon Inc http://www.isilon.com/ 5*428879dcSRick Macklem * Authors: Doug Rabson <dfr@rabson.org> 6*428879dcSRick Macklem * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org> 7*428879dcSRick Macklem * 8*428879dcSRick Macklem * Redistribution and use in source and binary forms, with or without 9*428879dcSRick Macklem * modification, are permitted provided that the following conditions 10*428879dcSRick Macklem * are met: 11*428879dcSRick Macklem * 1. Redistributions of source code must retain the above copyright 12*428879dcSRick Macklem * notice, this list of conditions and the following disclaimer. 13*428879dcSRick Macklem * 2. Redistributions in binary form must reproduce the above copyright 14*428879dcSRick Macklem * notice, this list of conditions and the following disclaimer in the 15*428879dcSRick Macklem * documentation and/or other materials provided with the distribution. 16*428879dcSRick Macklem * 17*428879dcSRick Macklem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18*428879dcSRick Macklem * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*428879dcSRick Macklem * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*428879dcSRick Macklem * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21*428879dcSRick Macklem * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*428879dcSRick Macklem * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*428879dcSRick Macklem * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*428879dcSRick Macklem * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*428879dcSRick Macklem * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*428879dcSRick Macklem * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*428879dcSRick Macklem * SUCH DAMAGE. 28*428879dcSRick Macklem */ 29*428879dcSRick Macklem 30*428879dcSRick Macklem #include <sys/cdefs.h> 31*428879dcSRick Macklem #include <sys/param.h> 32*428879dcSRick Macklem #include <sys/kernel.h> 33*428879dcSRick Macklem #include <sys/kobj.h> 34*428879dcSRick Macklem #include <sys/lock.h> 35*428879dcSRick Macklem #include <sys/malloc.h> 36*428879dcSRick Macklem #include <sys/mutex.h> 37*428879dcSRick Macklem 38*428879dcSRick Macklem #include <kgssapi/gssapi.h> 39*428879dcSRick Macklem #include <kgssapi/gssapi_impl.h> 40*428879dcSRick Macklem 41*428879dcSRick Macklem #include "gssd.h" 42*428879dcSRick Macklem 43*428879dcSRick Macklem OM_uint32 44*428879dcSRick Macklem gss_ip_to_dns(OM_uint32 *minor_status, 45*428879dcSRick Macklem char *ip_addr, 46*428879dcSRick Macklem char *dns_name) 47*428879dcSRick Macklem { 48*428879dcSRick Macklem struct ip_to_dns_res res; 49*428879dcSRick Macklem struct ip_to_dns_args args; 50*428879dcSRick Macklem enum clnt_stat stat; 51*428879dcSRick Macklem CLIENT *cl; 52*428879dcSRick Macklem 53*428879dcSRick Macklem *minor_status = 0; 54*428879dcSRick Macklem cl = kgss_gssd_client(); 55*428879dcSRick Macklem if (cl == NULL) 56*428879dcSRick Macklem return (GSS_S_FAILURE); 57*428879dcSRick Macklem 58*428879dcSRick Macklem args.ip_addr.ip_addr_len = strlen(ip_addr); 59*428879dcSRick Macklem args.ip_addr.ip_addr_val = mem_alloc(args.ip_addr.ip_addr_len); 60*428879dcSRick Macklem memcpy(args.ip_addr.ip_addr_val, ip_addr, args.ip_addr.ip_addr_len); 61*428879dcSRick Macklem 62*428879dcSRick Macklem bzero(&res, sizeof(res)); 63*428879dcSRick Macklem stat = gssd_ip_to_dns_1(&args, &res, cl); 64*428879dcSRick Macklem CLNT_RELEASE(cl); 65*428879dcSRick Macklem if (stat != RPC_SUCCESS) { 66*428879dcSRick Macklem *minor_status = stat; 67*428879dcSRick Macklem return (GSS_S_FAILURE); 68*428879dcSRick Macklem } 69*428879dcSRick Macklem 70*428879dcSRick Macklem if (res.major_status != GSS_S_COMPLETE) { 71*428879dcSRick Macklem *minor_status = res.minor_status; 72*428879dcSRick Macklem return (res.major_status); 73*428879dcSRick Macklem } 74*428879dcSRick Macklem 75*428879dcSRick Macklem if (res.dns_name.dns_name_len == 0 || 76*428879dcSRick Macklem res.dns_name.dns_name_len >= NI_MAXHOST) { 77*428879dcSRick Macklem *minor_status = 0; 78*428879dcSRick Macklem return (GSS_S_FAILURE); 79*428879dcSRick Macklem } 80*428879dcSRick Macklem 81*428879dcSRick Macklem memcpy(dns_name, res.dns_name.dns_name_val, res.dns_name.dns_name_len); 82*428879dcSRick Macklem dns_name[res.dns_name.dns_name_len] = '\0'; 83*428879dcSRick Macklem 84*428879dcSRick Macklem return (GSS_S_COMPLETE); 85*428879dcSRick Macklem } 86