crypto/external/bsd/heimdal/dist/admin/list.c

   1 /*      $NetBSD: list.c,v 1.1.1.2 2014/04/24 12:45:26 pettai Exp $      */
   2
   3 /*
   4  * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "ktutil_locl.h"
  37 #include <krb5/rtbl.h>
  38
  39 __RCSID("NetBSD");
  40
  41 static int
  42 do_list(struct list_options *opt, const char *keytab_str)
  43 {
  44     krb5_error_code ret;
  45     krb5_keytab keytab;
  46     krb5_keytab_entry entry;
  47     krb5_kt_cursor cursor;
  48     rtbl_t table;
  49
  50     /* XXX specialcase the ANY type */
  51     if(strncasecmp(keytab_str, "ANY:", 4) == 0) {
  52         int flag = 0;
  53         char buf[1024];
  54         keytab_str += 4;
  55         ret = 0;
  56         while (strsep_copy((const char**)&keytab_str, ",",
  57                            buf, sizeof(buf)) != -1) {
  58             if(flag)
  59                 printf("\n");
  60             if(do_list(opt, buf))
  61                 ret = 1;
  62             flag = 1;
  63         }
  64         return ret;
  65     }
  66
  67     ret = krb5_kt_resolve(context, keytab_str, &keytab);
  68     if (ret) {
  69         krb5_warn(context, ret, "resolving keytab %s", keytab_str);
  70         return ret;
  71     }
  72
  73     ret = krb5_kt_start_seq_get(context, keytab, &cursor);
  74     if(ret) {
  75         krb5_warn(context, ret, "krb5_kt_start_seq_get %s", keytab_str);
  76         krb5_kt_close(context, keytab);
  77         return ret;
  78     }
  79
  80     printf ("%s:\n\n", keytab_str);
  81
  82     table = rtbl_create();
  83     rtbl_add_column_by_id(table, 0, "Vno", RTBL_ALIGN_RIGHT);
  84     rtbl_add_column_by_id(table, 1, "Type", 0);
  85     rtbl_add_column_by_id(table, 2, "Principal", 0);
  86     if (opt->timestamp_flag)
  87         rtbl_add_column_by_id(table, 3, "Date", 0);
  88     if(opt->keys_flag)
  89         rtbl_add_column_by_id(table, 4, "Key", 0);
  90     rtbl_add_column_by_id(table, 5, "Aliases", 0);
  91     rtbl_set_separator(table, "  ");
  92
  93     while(krb5_kt_next_entry(context, keytab, &entry, &cursor) == 0){
  94         char buf[1024], *s;
  95
  96         snprintf(buf, sizeof(buf), "%d", entry.vno);
  97         rtbl_add_column_entry_by_id(table, 0, buf);
  98
  99         ret = krb5_enctype_to_string(context,
 100                                      entry.keyblock.keytype, &s);
 101         if (ret != 0) {
 102             snprintf(buf, sizeof(buf), "unknown (%d)", entry.keyblock.keytype);
 103             rtbl_add_column_entry_by_id(table, 1, buf);
 104         } else {
 105             rtbl_add_column_entry_by_id(table, 1, s);
 106             free(s);
 107         }
 108
 109         krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf));
 110         rtbl_add_column_entry_by_id(table, 2, buf);
 111
 112         if (opt->timestamp_flag) {
 113             krb5_format_time(context, entry.timestamp, buf,
 114                              sizeof(buf), FALSE);
 115             rtbl_add_column_entry_by_id(table, 3, buf);
 116         }
 117         if(opt->keys_flag) {
 118             size_t i;
 119             s = malloc(2 * entry.keyblock.keyvalue.length + 1);
 120             if (s == NULL) {
 121                 krb5_warnx(context, "malloc failed");
 122                 ret = ENOMEM;
 123                 goto out;
 124             }
 125             for(i = 0; i < entry.keyblock.keyvalue.length; i++)
 126                 snprintf(s + 2 * i, 3, "%02x",
 127                          ((unsigned char*)entry.keyblock.keyvalue.data)[i]);
 128             rtbl_add_column_entry_by_id(table, 4, s);
 129             free(s);
 130         }
 131         if (entry.aliases) {
 132             unsigned int i;
 133             struct rk_strpool *p = NULL;
 134
 135             for (i = 0; i< entry.aliases->len; i++) {
 136                 krb5_unparse_name_fixed(context, entry.principal, buf, sizeof(buf));
 137                 rk_strpoolprintf(p, "%s%s", buf,
 138                                  i + 1 < entry.aliases->len ? ", " : "");
 139
 140             }
 141             rtbl_add_column_entry_by_id(table, 5, rk_strpoolcollect(p));
 142         }
 143
 144         krb5_kt_free_entry(context, &entry);
 145     }
 146     ret = krb5_kt_end_seq_get(context, keytab, &cursor);
 147     rtbl_format(table, stdout);
 148
 149 out:
 150     rtbl_destroy(table);
 151
 152     krb5_kt_close(context, keytab);
 153     return ret;
 154 }
 155
 156 int
 157 kt_list(struct list_options *opt, int argc, char **argv)
 158 {
 159     krb5_error_code ret;
 160     char kt[1024];
 161
 162     if(verbose_flag)
 163         opt->timestamp_flag = 1;
 164
 165     if (keytab_string == NULL) {
 166         if((ret = krb5_kt_default_name(context, kt, sizeof(kt))) != 0) {
 167             krb5_warn(context, ret, "getting default keytab name");
 168             return 1;
 169         }
 170         keytab_string = kt;
 171     }
 172     return do_list(opt, keytab_string) != 0;
 173 }