1 /* 2 * Copyright (c) 1997 - 2000, 2003 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "kuser_locl.h" 35 RCSID("$Id: kdestroy.c 20458 2007-04-19 20:41:27Z lha $"); 36 37 static const char *cache; 38 static const char *credential; 39 static int help_flag; 40 static int version_flag; 41 static int unlog_flag = 1; 42 static int dest_tkt_flag = 1; 43 44 struct getargs args[] = { 45 { "credential", 0, arg_string, &credential, 46 "remove one credential", "principal" }, 47 { "cache", 'c', arg_string, &cache, "cache to destroy", "cache" }, 48 { "unlog", 0, arg_negative_flag, &unlog_flag, 49 "do not destroy tokens", NULL }, 50 { "delete-v4", 0, arg_negative_flag, &dest_tkt_flag, 51 "do not destroy v4 tickets", NULL }, 52 { "version", 0, arg_flag, &version_flag, NULL, NULL }, 53 { "help", 'h', arg_flag, &help_flag, NULL, NULL} 54 }; 55 56 int num_args = sizeof(args) / sizeof(args[0]); 57 58 static void 59 usage (int status) 60 { 61 arg_printusage (args, num_args, NULL, ""); 62 exit (status); 63 } 64 65 int 66 main (int argc, char **argv) 67 { 68 krb5_error_code ret; 69 krb5_context context; 70 krb5_ccache ccache; 71 int optidx = 0; 72 int exit_val = 0; 73 74 setprogname (argv[0]); 75 76 if(getarg(args, num_args, argc, argv, &optidx)) 77 usage(1); 78 79 if (help_flag) 80 usage (0); 81 82 if(version_flag){ 83 print_version(NULL); 84 exit(0); 85 } 86 87 argc -= optidx; 88 argv += optidx; 89 90 if (argc != 0) 91 usage (1); 92 93 ret = krb5_init_context (&context); 94 if (ret) 95 errx (1, "krb5_init_context failed: %d", ret); 96 97 if(cache == NULL) { 98 cache = krb5_cc_default_name(context); 99 if (cache == NULL) { 100 warnx ("krb5_cc_default_name: %s", krb5_get_err_text(context, ret)); 101 exit(1); 102 } 103 } 104 105 ret = krb5_cc_resolve(context, 106 cache, 107 &ccache); 108 109 if (ret == 0) { 110 if (credential) { 111 krb5_creds mcred; 112 113 krb5_cc_clear_mcred(&mcred); 114 115 ret = krb5_parse_name(context, credential, &mcred.server); 116 if (ret) 117 krb5_err(context, 1, ret, 118 "Can't parse principal %s", credential); 119 120 ret = krb5_cc_remove_cred(context, ccache, 0, &mcred); 121 if (ret) 122 krb5_err(context, 1, ret, 123 "Failed to remove principal %s", credential); 124 125 krb5_cc_close(context, ccache); 126 krb5_free_principal(context, mcred.server); 127 krb5_free_context(context); 128 return 0; 129 } 130 131 ret = krb5_cc_destroy (context, ccache); 132 if (ret) { 133 warnx ("krb5_cc_destroy: %s", krb5_get_err_text(context, ret)); 134 exit_val = 1; 135 } 136 } else { 137 warnx ("krb5_cc_resolve(%s): %s", cache, 138 krb5_get_err_text(context, ret)); 139 exit_val = 1; 140 } 141 142 krb5_free_context (context); 143 144 if (unlog_flag && k_hasafs ()) { 145 if (k_unlog ()) 146 exit_val = 1; 147 } 148 149 return exit_val; 150 } 151