1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ 2 /* 3 * Copyright 2011 by the Massachusetts Institute of Technology. 4 * All Rights Reserved. 5 * 6 * Export of this software from the United States of America may 7 * require a specific license from the United States Government. 8 * It is the responsibility of any person or organization contemplating 9 * export to obtain such a license before exporting. 10 * 11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 12 * distribute this software and its documentation for any purpose and 13 * without fee is hereby granted, provided that the above copyright 14 * notice appear in all copies and that both that copyright notice and 15 * this permission notice appear in supporting documentation, and that 16 * the name of M.I.T. not be used in advertising or publicity pertaining 17 * to distribution of the software without specific, written prior 18 * permission. Furthermore if you modify this software you must label 19 * your software as modified software and not distribute it in such a 20 * fashion that it might be confused with the original M.I.T. software. 21 * M.I.T. makes no representations about the suitability of 22 * this software for any purpose. It is provided "as is" without express 23 * or implied warranty. 24 */ 25 26 #include <stdio.h> 27 #include <stdlib.h> 28 29 #include "common.h" 30 31 /* 32 * Test program for acceptor names, intended to be run from a Python test 33 * script. Establishes contexts with the default initiator name, a specified 34 * principal name as target name, and a specified host-based name as acceptor 35 * name (or GSS_C_NO_NAME if no acceptor name is given). If the exchange is 36 * successful, queries the context for the acceptor name and prints it. If any 37 * call is unsuccessful, displays an error message. Exits with status 0 if all 38 * operations are successful, or 1 if not. 39 * 40 * Usage: ./t_accname targetname [acceptorname] 41 */ 42 43 int 44 main(int argc, char *argv[]) 45 { 46 OM_uint32 minor, major, flags; 47 gss_cred_id_t acceptor_cred; 48 gss_name_t target_name, acceptor_name = GSS_C_NO_NAME, real_acceptor_name; 49 gss_buffer_desc namebuf; 50 gss_ctx_id_t initiator_context, acceptor_context; 51 52 if (argc < 2 || argc > 3) { 53 fprintf(stderr, "Usage: %s targetname [acceptorname]\n", argv[0]); 54 return 1; 55 } 56 57 /* Import target and acceptor names. */ 58 target_name = import_name(argv[1]); 59 if (argc >= 3) 60 acceptor_name = import_name(argv[2]); 61 62 /* Get acceptor cred. */ 63 major = gss_acquire_cred(&minor, acceptor_name, GSS_C_INDEFINITE, 64 GSS_C_NO_OID_SET, GSS_C_ACCEPT, 65 &acceptor_cred, NULL, NULL); 66 check_gsserr("gss_acquire_cred", major, minor); 67 68 flags = GSS_C_REPLAY_FLAG | GSS_C_SEQUENCE_FLAG; 69 establish_contexts(&mech_krb5, GSS_C_NO_CREDENTIAL, acceptor_cred, 70 target_name, flags, &initiator_context, 71 &acceptor_context, NULL, NULL, NULL); 72 73 major = gss_inquire_context(&minor, acceptor_context, NULL, 74 &real_acceptor_name, NULL, NULL, NULL, NULL, 75 NULL); 76 check_gsserr("gss_inquire_context", major, minor); 77 78 namebuf.value = NULL; 79 namebuf.length = 0; 80 major = gss_display_name(&minor, real_acceptor_name, &namebuf, NULL); 81 check_gsserr("gss_display_name", major, minor); 82 83 printf("%.*s\n", (int)namebuf.length, (char *)namebuf.value); 84 85 (void)gss_release_name(&minor, &target_name); 86 (void)gss_release_name(&minor, &acceptor_name); 87 (void)gss_release_name(&minor, &real_acceptor_name); 88 (void)gss_release_cred(&minor, &acceptor_cred); 89 (void)gss_delete_sec_context(&minor, &initiator_context, NULL); 90 (void)gss_delete_sec_context(&minor, &acceptor_context, NULL); 91 (void)gss_release_buffer(&minor, &namebuf); 92 return 0; 93 } 94