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Allow matching by MS UPN SAN, note that this delta doesn't deal with

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case of realm.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20690 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2007-05-30 13:37:44 +00:00
parent ee246ab9ac
commit dcf2f42e79
1 changed files with 73 additions and 7 deletions
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80
kdc/pkinit.c
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@@ -1203,10 +1203,10 @@ out:
}
static int
pk_principal_from_X509(krb5_context context,
krb5_kdc_configuration *config,
hx509_cert client_cert,
krb5_const_principal match)
match_rfc_san(krb5_context context,
krb5_kdc_configuration *config,
hx509_cert client_cert,
krb5_const_principal match)
{
hx509_octet_string_list list;
int ret, i, found = 0;
@@ -1258,6 +1258,64 @@ out:
return 0;
}
static int
match_ms_upn_san(krb5_context context,
krb5_kdc_configuration *config,
hx509_cert client_cert,
krb5_const_principal match)
{
hx509_octet_string_list list;
krb5_principal principal = NULL;
char *p;
int ret, found = 0;
memset(&list, 0 , sizeof(list));
ret = hx509_cert_find_subjectAltName_otherName(client_cert,
oid_id_pkinit_ms_san(),
&list);
if (ret)
goto out;
if (list.len != 1) {
kdc_log(context, config, 0,
"More then one PK-INIT MS UPN SAN");
goto out;
}
p = malloc(list.val[0].length + 1);
if (p == NULL) {
kdc_log(context, config, 0,
"More then one PK-INIT MS UPN SAN");
return KRB5_KDC_ERR_CLIENT_NAME_MISMATCH;
}
memcpy(p, list.val[0].data, list.val[0].length);
p[list.val[0].length] = '\0';
ret = krb5_parse_name(context, p, &principal);
free(p);
if (ret) {
kdc_log(context, config, 0, "Failed to parse principal in MS UPN SAN");
goto out;
}
if (krb5_principal_compare(context, principal, match) == TRUE)
found = 1;
out:
if (principal)
krb5_free_principal(context, principal);
hx509_free_octet_string_list(&list);
if (ret)
return ret;
if (!found)
return KRB5_KDC_ERR_CLIENT_NAME_MISMATCH;
return 0;
}
krb5_error_code
_kdc_pk_check_client(krb5_context context,
@@ -1287,14 +1345,22 @@ _kdc_pk_check_client(krb5_context context,
*subject_name);
if (config->enable_pkinit_princ_in_cert) {
ret = pk_principal_from_X509(context, config,
client_params->cert,
client->entry.principal);
ret = match_rfc_san(context, config,
client_params->cert,
client->entry.principal);
if (ret == 0) {
kdc_log(context, config, 5,
"Found matching PK-INIT SAN in certificate");
return 0;
}
ret = match_ms_upn_san(context, config,
client_params->cert,
client->entry.principal);
if (ret == 0) {
kdc_log(context, config, 5,
"Found matching MS UPN SAN in certificate");
return 0;
}
}
ret = hdb_entry_get_pkinit_acl(&client->entry, &acl);