1 /* 2 * Copyright (c) 1997-2004 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 <rtbl.h> 36 37 RCSID("$Id: list.c 21745 2007-07-31 16:11:25Z lha $"); 38 39 static int 40 do_list(struct list_options *opt, const char *keytab_str) 41 { 42 krb5_error_code ret; 43 krb5_keytab keytab; 44 krb5_keytab_entry entry; 45 krb5_kt_cursor cursor; 46 rtbl_t table; 47 48 /* XXX specialcase the ANY type */ 49 if(strncasecmp(keytab_str, "ANY:", 4) == 0) { 50 int flag = 0; 51 char buf[1024]; 52 keytab_str += 4; 53 ret = 0; 54 while (strsep_copy((const char**)&keytab_str, ",", 55 buf, sizeof(buf)) != -1) { 56 if(flag) 57 printf("\n"); 58 if(do_list(opt, buf)) 59 ret = 1; 60 flag = 1; 61 } 62 return ret; 63 } 64 65 ret = krb5_kt_resolve(context, keytab_str, &keytab); 66 if (ret) { 67 krb5_warn(context, ret, "resolving keytab %s", keytab_str); 68 return ret; 69 } 70 71 ret = krb5_kt_start_seq_get(context, keytab, &cursor); 72 if(ret) { 73 krb5_warn(context, ret, "krb5_kt_start_seq_get %s", keytab_str); 74 krb5_kt_close(context, keytab); 75 return ret; 76 } 77 78 printf ("%s:\n\n", keytab_str); 79 80 table = rtbl_create(); 81 rtbl_add_column_by_id(table, 0, "Vno", RTBL_ALIGN_RIGHT); 82 rtbl_add_column_by_id(table, 1, "Type", 0); 83 rtbl_add_column_by_id(table, 2, "Principal", 0); 84 if (opt->timestamp_flag) 85 rtbl_add_column_by_id(table, 3, "Date", 0); 86 if(opt->keys_flag) 87 rtbl_add_column_by_id(table, 4, "Key", 0); 88 rtbl_set_separator(table, " "); 89 90 while((ret = krb5_kt_next_entry(context, keytab, &entry, &cursor)) == 0){ 91 char buf[1024], *s; 92 93 snprintf(buf, sizeof(buf), "%d", entry.vno); 94 rtbl_add_column_entry_by_id(table, 0, buf); 95 96 ret = krb5_enctype_to_string(context, 97 entry.keyblock.keytype, &s); 98 if (ret != 0) { 99 snprintf(buf, sizeof(buf), "unknown (%d)", entry.keyblock.keytype); 100 rtbl_add_column_entry_by_id(table, 1, buf); 101 } else { 102 rtbl_add_column_entry_by_id(table, 1, s); 103 free(s); 104 } 105 106 krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf)); 107 rtbl_add_column_entry_by_id(table, 2, buf); 108 109 if (opt->timestamp_flag) { 110 krb5_format_time(context, entry.timestamp, buf, 111 sizeof(buf), FALSE); 112 rtbl_add_column_entry_by_id(table, 3, buf); 113 } 114 if(opt->keys_flag) { 115 int i; 116 s = malloc(2 * entry.keyblock.keyvalue.length + 1); 117 if (s == NULL) { 118 krb5_warnx(context, "malloc failed"); 119 ret = ENOMEM; 120 goto out; 121 } 122 for(i = 0; i < entry.keyblock.keyvalue.length; i++) 123 snprintf(s + 2 * i, 3, "%02x", 124 ((unsigned char*)entry.keyblock.keyvalue.data)[i]); 125 rtbl_add_column_entry_by_id(table, 4, s); 126 free(s); 127 } 128 krb5_kt_free_entry(context, &entry); 129 } 130 ret = krb5_kt_end_seq_get(context, keytab, &cursor); 131 rtbl_format(table, stdout); 132 133 out: 134 rtbl_destroy(table); 135 136 krb5_kt_close(context, keytab); 137 return ret; 138 } 139 140 int 141 kt_list(struct list_options *opt, int argc, char **argv) 142 { 143 krb5_error_code ret; 144 char kt[1024]; 145 146 if(verbose_flag) 147 opt->timestamp_flag = 1; 148 149 if (keytab_string == NULL) { 150 if((ret = krb5_kt_default_name(context, kt, sizeof(kt))) != 0) { 151 krb5_warn(context, ret, "getting default keytab name"); 152 return 1; 153 } 154 keytab_string = kt; 155 } 156 return do_list(opt, keytab_string) != 0; 157 } 158