kadmin/dump.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 "kadmin_locl.h"
  35 #include "kadmin-commands.h"
  36 #include <kadm5/private.h>
  37
  38 extern int local_flag;
  39
  40 int
  41 dump(struct dump_options *opt, int argc, char **argv)
  42 {
  43     krb5_error_code ret;
  44     FILE *f;
  45     struct hdb_print_entry_arg parg;
  46     HDB *db = NULL;
  47
  48     if (!local_flag) {
  49         krb5_warnx(context, "dump is only available in local (-l) mode");
  50         return 0;
  51     }
  52
  53     db = _kadm5_s_get_db(kadm_handle);
  54
  55     if (argc == 0)
  56         f = stdout;
  57     else
  58         f = fopen(argv[0], "w");
  59
  60     if (f == NULL) {
  61         krb5_warn(context, errno, "open: %s", argv[0]);
  62         goto out;
  63     }
  64     ret = db->hdb_open(context, db, O_RDONLY, 0600);
  65     if (ret) {
  66         krb5_warn(context, ret, "hdb_open");
  67         goto out;
  68     }
  69
  70     if (!opt->format_string || strcmp(opt->format_string, "Heimdal") == 0) {
  71         parg.fmt = HDB_DUMP_HEIMDAL;
  72     } else if (opt->format_string && strcmp(opt->format_string, "MIT") == 0) {
  73         parg.fmt = HDB_DUMP_MIT;
  74         fprintf(f, "kdb5_util load_dump version 5\n"); /* 5||6, either way */
  75     } else {
  76         krb5_errx(context, 1, "Supported dump formats: Heimdal and MIT");
  77     }
  78     parg.out = f;
  79     hdb_foreach(context, db, opt->decrypt_flag ? HDB_F_DECRYPT : 0,
  80                 hdb_print_entry, &parg);
  81
  82     db->hdb_close(context, db);
  83 out:
  84     if(f && f != stdout)
  85         fclose(f);
  86     return 0;
  87 }