1 /* 2 * Copyright (c) 1997 - 2001 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 1.30 2001/01/25 12:44:37 assar Exp $"); 38 39 static int help_flag; 40 static int version_flag; 41 int verbose_flag; 42 char *keytab_string; 43 44 static char keytab_buf[256]; 45 46 static int help(int argc, char **argv); 47 48 static SL_cmd cmds[] = { 49 { "add", kt_add, "add", 50 "adds key to keytab" }, 51 { "change", kt_change, "change [principal...]", 52 "get new key for principals (all)" }, 53 { "copy", kt_copy, "copy src dst", 54 "copy one keytab to another" }, 55 { "get", kt_get, "get [principal...]", 56 "create key in database and add to keytab" }, 57 { "list", kt_list, "list", 58 "shows contents of a keytab" }, 59 { "purge", kt_purge, "purge", 60 "remove old and superceeded entries" }, 61 { "remove", kt_remove, "remove", 62 "remove key from keytab" }, 63 { "srvconvert", srvconv, "srvconvert [flags]", 64 "convert v4 srvtab to keytab" }, 65 { "srv2keytab" }, 66 { "srvcreate", srvcreate, "srvcreate [flags]", 67 "convert keytab to v4 srvtab" }, 68 { "key2srvtab" }, 69 { "help", help, "help", "" }, 70 { NULL, NULL, NULL, NULL } 71 }; 72 73 static struct getargs args[] = { 74 { 75 "version", 76 0, 77 arg_flag, 78 &version_flag, 79 NULL, 80 NULL 81 }, 82 { 83 "help", 84 'h', 85 arg_flag, 86 &help_flag, 87 NULL, 88 NULL 89 }, 90 { 91 "keytab", 92 'k', 93 arg_string, 94 &keytab_string, 95 "keytab", 96 "keytab to operate on" 97 }, 98 { 99 "verbose", 100 'v', 101 arg_flag, 102 &verbose_flag, 103 "verbose", 104 "run verbosely" 105 } 106 }; 107 108 static int num_args = sizeof(args) / sizeof(args[0]); 109 110 krb5_context context; 111 krb5_keytab keytab; 112 113 static int 114 help(int argc, char **argv) 115 { 116 sl_help(cmds, argc, argv); 117 return 0; 118 } 119 120 static void 121 usage(int status) 122 { 123 arg_printusage(args, num_args, NULL, "command"); 124 exit(status); 125 } 126 127 int 128 main(int argc, char **argv) 129 { 130 int optind = 0; 131 krb5_error_code ret; 132 set_progname(argv[0]); 133 ret = krb5_init_context(&context); 134 if (ret) 135 errx (1, "krb5_init_context failed: %d", ret); 136 if(getarg(args, num_args, argc, argv, &optind)) 137 usage(1); 138 if(help_flag) 139 usage(0); 140 if(version_flag) { 141 print_version(NULL); 142 exit(0); 143 } 144 argc -= optind; 145 argv += optind; 146 if(argc == 0) 147 usage(1); 148 if(keytab_string) { 149 ret = krb5_kt_resolve(context, keytab_string, &keytab); 150 } else { 151 if(krb5_kt_default_name (context, keytab_buf, sizeof(keytab_buf))) 152 strlcpy (keytab_buf, "unknown", sizeof(keytab_buf)); 153 keytab_string = keytab_buf; 154 155 ret = krb5_kt_default(context, &keytab); 156 } 157 if(ret) 158 krb5_err(context, 1, ret, "resolving keytab"); 159 ret = sl_command(cmds, argc, argv); 160 if(ret == -1) 161 krb5_warnx (context, "unrecognized command: %s", argv[0]); 162 krb5_kt_close(context, keytab); 163 return ret; 164 } 165