1 /* 2 * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan 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("$Id$"); 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_add_column_by_id(table, 5, "Aliases", 0); 89 rtbl_set_separator(table, " "); 90 91 while(krb5_kt_next_entry(context, keytab, &entry, &cursor) == 0){ 92 char buf[1024], *s; 93 94 snprintf(buf, sizeof(buf), "%d", entry.vno); 95 rtbl_add_column_entry_by_id(table, 0, buf); 96 97 ret = krb5_enctype_to_string(context, 98 entry.keyblock.keytype, &s); 99 if (ret != 0) { 100 snprintf(buf, sizeof(buf), "unknown (%d)", entry.keyblock.keytype); 101 rtbl_add_column_entry_by_id(table, 1, buf); 102 } else { 103 rtbl_add_column_entry_by_id(table, 1, s); 104 free(s); 105 } 106 107 krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf)); 108 rtbl_add_column_entry_by_id(table, 2, buf); 109 110 if (opt->timestamp_flag) { 111 krb5_format_time(context, entry.timestamp, buf, 112 sizeof(buf), FALSE); 113 rtbl_add_column_entry_by_id(table, 3, buf); 114 } 115 if(opt->keys_flag) { 116 size_t i; 117 s = malloc(2 * entry.keyblock.keyvalue.length + 1); 118 if (s == NULL) { 119 krb5_warnx(context, "malloc failed"); 120 ret = ENOMEM; 121 goto out; 122 } 123 for(i = 0; i < entry.keyblock.keyvalue.length; i++) 124 snprintf(s + 2 * i, 3, "%02x", 125 ((unsigned char*)entry.keyblock.keyvalue.data)[i]); 126 rtbl_add_column_entry_by_id(table, 4, s); 127 free(s); 128 } 129 if (entry.aliases) { 130 unsigned int i; 131 struct rk_strpool *p = NULL; 132 133 for (i = 0; i< entry.aliases->len; i++) { 134 krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf)); 135 rk_strpoolprintf(p, "%s%s", buf, 136 i + 1 < entry.aliases->len ? ", " : ""); 137 138 } 139 rtbl_add_column_entry_by_id(table, 5, rk_strpoolcollect(p)); 140 } 141 142 krb5_kt_free_entry(context, &entry); 143 } 144 ret = krb5_kt_end_seq_get(context, keytab, &cursor); 145 rtbl_format(table, stdout); 146 147 out: 148 rtbl_destroy(table); 149 150 krb5_kt_close(context, keytab); 151 return ret; 152 } 153 154 int 155 kt_list(struct list_options *opt, int argc, char **argv) 156 { 157 krb5_error_code ret; 158 char kt[1024]; 159 160 if(verbose_flag) 161 opt->timestamp_flag = 1; 162 163 if (keytab_string == NULL) { 164 if((ret = krb5_kt_default_name(context, kt, sizeof(kt))) != 0) { 165 krb5_warn(context, ret, "getting default keytab name"); 166 return 1; 167 } 168 keytab_string = kt; 169 } 170 return do_list(opt, keytab_string) != 0; 171 } 172