1 /* 2 * Copyright (c) 1997 - 2002 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 "ktutil_locl.h" 35 #include <err.h> 36 37 RCSID("$Id: ktutil.c,v 1.36 2002/02/11 14:14:11 joda Exp $"); 38 39 static int help_flag; 40 static int version_flag; 41 int verbose_flag; 42 char *keytab_string; 43 static char keytab_buf[256]; 44 45 static int help(int argc, char **argv); 46 47 static SL_cmd cmds[] = { 48 { "add", kt_add, "add", 49 "adds key to keytab" }, 50 { "change", kt_change, "change [principal...]", 51 "get new key for principals (all)" }, 52 { "copy", kt_copy, "copy src dst", 53 "copy one keytab to another" }, 54 { "get", kt_get, "get [principal...]", 55 "create key in database and add to keytab" }, 56 { "list", kt_list, "list", 57 "shows contents of a keytab" }, 58 { "purge", kt_purge, "purge", 59 "remove old and superceeded entries" }, 60 { "remove", kt_remove, "remove", 61 "remove key from keytab" }, 62 { "rename", kt_rename, "rename from to", 63 "rename entry" }, 64 { "srvconvert", srvconv, "srvconvert [flags]", 65 "convert v4 srvtab to keytab" }, 66 { "srv2keytab" }, 67 { "srvcreate", srvcreate, "srvcreate [flags]", 68 "convert keytab to v4 srvtab" }, 69 { "key2srvtab" }, 70 { "help", help, "help", "" }, 71 { NULL, NULL, NULL, NULL } 72 }; 73 74 static struct getargs args[] = { 75 { 76 "version", 77 0, 78 arg_flag, 79 &version_flag, 80 NULL, 81 NULL 82 }, 83 { 84 "help", 85 'h', 86 arg_flag, 87 &help_flag, 88 NULL, 89 NULL 90 }, 91 { 92 "keytab", 93 'k', 94 arg_string, 95 &keytab_string, 96 "keytab", 97 "keytab to operate on" 98 }, 99 { 100 "verbose", 101 'v', 102 arg_flag, 103 &verbose_flag, 104 "verbose", 105 "run verbosely" 106 } 107 }; 108 109 static int num_args = sizeof(args) / sizeof(args[0]); 110 111 krb5_context context; 112 113 krb5_keytab 114 ktutil_open_keytab(void) 115 { 116 krb5_error_code ret; 117 krb5_keytab keytab; 118 if (keytab_string == NULL) { 119 ret = krb5_kt_default_name (context, keytab_buf, sizeof(keytab_buf)); 120 if (ret) { 121 krb5_warn(context, ret, "krb5_kt_default_name"); 122 return NULL; 123 } 124 keytab_string = keytab_buf; 125 } 126 ret = krb5_kt_resolve(context, keytab_string, &keytab); 127 if (ret) { 128 krb5_warn(context, ret, "resolving keytab %s", keytab_string); 129 return NULL; 130 } 131 if (verbose_flag) 132 fprintf (stderr, "Using keytab %s\n", keytab_string); 133 134 return keytab; 135 } 136 137 static int 138 help(int argc, char **argv) 139 { 140 sl_help(cmds, argc, argv); 141 return 0; 142 } 143 144 static void 145 usage(int status) 146 { 147 arg_printusage(args, num_args, NULL, "command"); 148 exit(status); 149 } 150 151 int 152 main(int argc, char **argv) 153 { 154 int optind = 0; 155 krb5_error_code ret; 156 setprogname(argv[0]); 157 ret = krb5_init_context(&context); 158 if (ret) 159 errx (1, "krb5_init_context failed: %d", ret); 160 if(getarg(args, num_args, argc, argv, &optind)) 161 usage(1); 162 if(help_flag) 163 usage(0); 164 if(version_flag) { 165 print_version(NULL); 166 exit(0); 167 } 168 argc -= optind; 169 argv += optind; 170 if(argc == 0) 171 usage(1); 172 ret = sl_command(cmds, argc, argv); 173 if(ret == -1) 174 krb5_warnx (context, "unrecognized command: %s", argv[0]); 175 return ret; 176 } 177