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heimdal Add support for extracting a particular KVNO from the database

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This should allow master key rollover.

(but the real reason is to allow multiple krbtgt accounts, as used by
Active Directory to implement RODC support)

Signed-off-by: Love Hornquist Astrand <lha@h5l.org>
This commit is contained in:
Andrew Bartlett
2010-10-02 10:29:24 +10:00
committed by Love Hornquist Astrand
parent e189d712ce
commit f469fc6d49
10 changed files with 112 additions and 36 deletions
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28
kdc/misc.c
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@@ -40,12 +40,19 @@ _kdc_db_fetch(krb5_context context,
krb5_kdc_configuration *config,
krb5_const_principal principal,
unsigned flags,
krb5int32 *kvno_ptr,
HDB **db,
hdb_entry_ex **h)
{
hdb_entry_ex *ent;
krb5_error_code ret;
int i;
unsigned kvno = 0;
if (kvno_ptr) {
kvno = *kvno_ptr;
flags |= HDB_F_KVNO_SPECIFIED;
}
ent = calloc (1, sizeof (*ent));
if (ent == NULL) {
@@ -84,11 +91,22 @@ _kdc_db_fetch(krb5_context context,
continue;
}
ret = config->db[i]->hdb_fetch(context,
config->db[i],
principal,
flags | HDB_F_DECRYPT,
ent);
if (config->db[i]->hdb_fetch_kvno) {
ret = config->db[i]->hdb_fetch_kvno(context,
config->db[i],
principal,
flags | HDB_F_DECRYPT,
kvno,
ent);
} else {
flags &= ~HDB_F_KVNO_SPECIFIED;
ret = config->db[i]->hdb_fetch(context,
config->db[i],
principal,
flags | HDB_F_DECRYPT,
ent);
}
krb5_free_principal(context, enterprise_principal);
config->db[i]->hdb_close(context, config->db[i]);