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Add new kadmin/ktutil --keep* and --enctypes opts

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- Add --keepold/keepallold/pruneall options to various kadmin/ktutil
   commands.  Default behavior to "prune old keys".

 - When setting keys for a service, we need to specify enctypes for it:

    - Always use kadm5_randkey_principal_3() instead of the older
      kadm5_randkey_principal().

    - Add krb5_string_to_keysalts2(), like MIT's krb5_string_to_keysalts(),
      but with a context, and simpler.

    - Add --enctypes options to various kadmin/ktutil commands.

    - Add [libdefaults] supported_enctypes param with enctype[:salttype]
      list.

    - Add [realms] realm supported_enctypes param with enctype[:salttype]
      list.

      Default to aes128-cts-hmac-sha1-96:normal.
This commit is contained in:
Nicolas Williams
2019-01-01 17:25:06 -06:00
committed by Nico Williams
parent 7b76d6719f
commit d8394c65b7
18 changed files with 574 additions and 142 deletions
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24
kadmin/cpw.c
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@@ -148,12 +148,34 @@ cpw_entry(struct passwd_options *opt, int argc, char **argv)
int num;
krb5_key_data key_data[3];
data.keepold = opt->keepold_flag;
data.random_key = opt->random_key_flag;
data.random_password = opt->random_password_flag;
data.password = opt->password_string;
data.key_data = NULL;
/*
* --keepold is the the default, and it should mean "prune all old keys not
* needed to decrypt extant tickets".
*/
num = 0;
data.keepold = 0;
if (opt->keepold_flag) {
data.keepold = 1;
num++;
}
if (opt->keepallold_flag) {
data.keepold = 2;
num++;
}
if (opt->pruneall_flag) {
data.keepold = 0;
num++;
}
if (num > 1) {
fprintf(stderr, "use only one of --keepold, --keepallold, and --pruneall\n");
return 1;
}
num = 0;
if (data.random_key)
++num;