2 * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
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18 * may be used to endorse or promote products derived from this software
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34 #include "ktutil_locl.h"
40 compare_keyblock(const krb5_keyblock *a, const krb5_keyblock *b)
42 if(a->keytype != b->keytype ||
43 a->keyvalue.length != b->keyvalue.length ||
44 memcmp(a->keyvalue.data, b->keyvalue.data, a->keyvalue.length) != 0)
50 kt_copy (void *opt, int argc, char **argv)
53 krb5_keytab src_keytab, dst_keytab;
54 krb5_kt_cursor cursor;
55 krb5_keytab_entry entry, dummy;
56 const char *from = argv[0];
57 const char *to = argv[1];
59 ret = krb5_kt_resolve (context, from, &src_keytab);
61 krb5_warn (context, ret, "resolving src keytab `%s'", from);
65 ret = krb5_kt_resolve (context, to, &dst_keytab);
67 krb5_kt_close (context, src_keytab);
68 krb5_warn (context, ret, "resolving dst keytab `%s'", to);
72 ret = krb5_kt_start_seq_get (context, src_keytab, &cursor);
74 krb5_warn (context, ret, "krb5_kt_start_seq_get %s", keytab_string);
79 fprintf(stderr, "copying %s to %s\n", from, to);
81 while((ret = krb5_kt_next_entry(context, src_keytab,
82 &entry, &cursor)) == 0) {
85 ret = krb5_unparse_name (context, entry.principal, &name_str);
87 krb5_warn(context, ret, "krb5_unparse_name");
88 name_str = NULL; /* XXX */
90 ret = krb5_enctype_to_string(context, entry.keyblock.keytype, &etype_str);
92 krb5_warn(context, ret, "krb5_enctype_to_string");
93 etype_str = NULL; /* XXX */
95 ret = krb5_kt_get_entry(context, dst_keytab,
98 entry.keyblock.keytype,
101 /* this entry is already in the new keytab, so no need to
102 copy it; if the keyblocks are not the same, something
103 is weird, so complain about that */
104 if(!compare_keyblock(&entry.keyblock, &dummy.keyblock)) {
105 krb5_warnx(context, "entry with different keyvalue "
106 "already exists for %s, keytype %s, kvno %d",
107 name_str, etype_str, entry.vno);
109 krb5_kt_free_entry(context, &dummy);
110 krb5_kt_free_entry (context, &entry);
114 } else if(ret != KRB5_KT_NOTFOUND) {
115 krb5_warn (context, ret, "%s: fetching %s/%s/%u",
116 to, name_str, etype_str, entry.vno);
117 krb5_kt_free_entry (context, &entry);
123 fprintf (stderr, "copying %s, keytype %s, kvno %d\n", name_str,
124 etype_str, entry.vno);
125 ret = krb5_kt_add_entry (context, dst_keytab, &entry);
126 krb5_kt_free_entry (context, &entry);
128 krb5_warn (context, ret, "%s: adding %s/%s/%u",
129 to, name_str, etype_str, entry.vno);
137 krb5_kt_end_seq_get (context, src_keytab, &cursor);
140 krb5_kt_close (context, src_keytab);
141 krb5_kt_close (context, dst_keytab);