admin/list.c

   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_string)
  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_string, "ANY:", 4) == 0) {
  50         int flag = 0;
  51         char buf[1024];
  52         keytab_string += 4;
  53         ret = 0;
  54         while (strsep_copy((const char**)&keytab_string, ",",
  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_string, &keytab);
  66     if (ret) {
  67         krb5_warn(context, ret, "resolving keytab %s", keytab_string);
  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_string);
  74         krb5_kt_close(context, keytab);
  75         return ret;
  76     }
  77
  78     printf ("%s:\n\n", keytab_string);
  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             for(i = 0; i < entry.keyblock.keyvalue.length; i++)
 118                 snprintf(s + 2 * i, 3, "%02x",
 119                          ((unsigned char*)entry.keyblock.keyvalue.data)[i]);
 120             rtbl_add_column_entry_by_id(table, 4, s);
 121             free(s);
 122         }
 123         krb5_kt_free_entry(context, &entry);
 124     }
 125     ret = krb5_kt_end_seq_get(context, keytab, &cursor);
 126     rtbl_format(table, stdout);
 127     rtbl_destroy(table);
 128
 129     krb5_kt_close(context, keytab);
 130     return ret;
 131 }
 132
 133 int
 134 kt_list(struct list_options *opt, int argc, char **argv)
 135 {
 136     krb5_error_code ret;
 137     char kt[1024];
 138
 139     if(verbose_flag)
 140         opt->timestamp_flag = 1;
 141
 142     if (keytab_string == NULL) {
 143         if((ret = krb5_kt_default_name(context, kt, sizeof(kt))) != 0) {
 144             krb5_warn(context, ret, "getting default keytab name");
 145             return 1;
 146         }
 147         keytab_string = kt;
 148     }
 149     return do_list(opt, keytab_string) != 0;
 150 }