File 0016-Calculate-enctypes-in-a-separate-function.patch of Package adcli.14142
From 6939dff54597f761902158e73e0880cc53f6477c Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Wed, 6 Jun 2018 16:31:32 +0200
Subject: [PATCH 16/25] Calculate enctypes in a separate function
Related to https://bugzilla.redhat.com/show_bug.cgi?id=1542354
---
library/adenroll.c | 137 +++++++++++++++++++++++++++++++----------------------
1 file changed, 81 insertions(+), 56 deletions(-)
diff --git a/library/adenroll.c b/library/adenroll.c
index 6b6630f..923a811 100644
--- a/library/adenroll.c
+++ b/library/adenroll.c
@@ -537,6 +537,83 @@ calculate_computer_account (adcli_enroll *enroll,
return ADCLI_SUCCESS;
}
+static adcli_result
+calculate_enctypes (adcli_enroll *enroll, char **enctype)
+{
+ char *value = NULL;
+ krb5_enctype *read_enctypes;
+ char *new_value = NULL;
+ int is_2008_or_later;
+ LDAP *ldap;
+
+ *enctype = NULL;
+ /*
+ * Because we're using a keytab we want the server to be aware of the
+ * encryption types supported on the client, because we can't dynamically
+ * use a new one that's thrown at us.
+ *
+ * If the encryption types are not explicitly set by the caller of this
+ * library, then see if the account already has some encryption types
+ * marked on it.
+ *
+ * If not, write our default set to the account.
+ *
+ * Note that Windows 2003 and earlier have a standard set of encryption
+ * types, and no msDS-supportedEncryptionTypes attribute.
+ */
+
+ ldap = adcli_conn_get_ldap_connection (enroll->conn);
+ return_unexpected_if_fail (ldap != NULL);
+
+ is_2008_or_later = adcli_conn_server_has_capability (enroll->conn, ADCLI_CAP_V60_OID);
+
+ /* In 2008 or later, use the msDS-supportedEncryptionTypes attribute */
+ if (is_2008_or_later) {
+ value = _adcli_ldap_parse_value (ldap, enroll->computer_attributes,
+ "msDS-supportedEncryptionTypes");
+
+ if (!enroll->keytab_enctypes_explicit && value != NULL) {
+ read_enctypes = _adcli_krb5_parse_enctypes (value);
+ if (read_enctypes == NULL) {
+ _adcli_warn ("Invalid or unsupported encryption types are set on "
+ "the computer account (%s).", value);
+ } else {
+ free (enroll->keytab_enctypes);
+ enroll->keytab_enctypes = read_enctypes;
+ }
+ }
+
+ /* In 2003 or earlier, standard set of enc types */
+ } else {
+ value = _adcli_krb5_format_enctypes (v51_earlier_enctypes);
+ }
+
+ new_value = _adcli_krb5_format_enctypes (adcli_enroll_get_keytab_enctypes (enroll));
+ if (new_value == NULL) {
+ free (value);
+ _adcli_warn ("The encryption types desired are not available in active directory");
+ return ADCLI_ERR_CONFIG;
+ }
+
+ /* If we already have this value, then don't need to update */
+ if (value && strcmp (new_value, value) == 0) {
+ free (value);
+ free (new_value);
+ return ADCLI_SUCCESS;
+ }
+ free (value);
+
+ if (!is_2008_or_later) {
+ free (new_value);
+ _adcli_warn ("Server does not support setting encryption types");
+ return ADCLI_SUCCESS;
+ }
+
+ *enctype = new_value;
+ return ADCLI_SUCCESS;
+}
+
+
static adcli_result
create_computer_account (adcli_enroll *enroll,
LDAP *ldap)
@@ -1048,75 +1125,23 @@ retrieve_computer_account (adcli_enroll *enroll)
static adcli_result
update_and_calculate_enctypes (adcli_enroll *enroll)
{
- char *value = NULL;
- krb5_enctype *read_enctypes;
char *vals_supportedEncryptionTypes[] = { NULL, NULL };
LDAPMod mod = { LDAP_MOD_REPLACE, "msDS-supportedEncryptionTypes", { vals_supportedEncryptionTypes, } };
LDAPMod *mods[2] = { &mod, NULL };
- int is_2008_or_later;
char *new_value;
LDAP *ldap;
int ret;
- /*
- * Because we're using a keytab we want the server to be aware of the
- * encryption types supported on the client, because we can't dynamically
- * use a new one that's thrown at us.
- *
- * If the encryption types are not explicitly set by the caller of this
- * library, then see if the account already has some encryption types
- * marked on it.
- *
- * If not, write our default set to the account.
- *
- * Note that Windows 2003 and earlier have a standard set of encryption
- * types, and no msDS-supportedEncryptionTypes attribute.
- */
-
ldap = adcli_conn_get_ldap_connection (enroll->conn);
return_unexpected_if_fail (ldap != NULL);
- is_2008_or_later = adcli_conn_server_has_capability (enroll->conn, ADCLI_CAP_V60_OID);
-
- /* In 2008 or later, use the msDS-supportedEncryptionTypes attribute */
- if (is_2008_or_later) {
- value = _adcli_ldap_parse_value (ldap, enroll->computer_attributes,
- "msDS-supportedEncryptionTypes");
-
- if (!enroll->keytab_enctypes_explicit && value != NULL) {
- read_enctypes = _adcli_krb5_parse_enctypes (value);
- if (read_enctypes == NULL) {
- _adcli_warn ("Invalid or unsupported encryption types are set on "
- "the computer account (%s).", value);
- } else {
- free (enroll->keytab_enctypes);
- enroll->keytab_enctypes = read_enctypes;
- }
- }
-
- /* In 2003 or earlier, standard set of enc types */
- } else {
- value = _adcli_krb5_format_enctypes (v51_earlier_enctypes);
- }
-
- new_value = _adcli_krb5_format_enctypes (adcli_enroll_get_keytab_enctypes (enroll));
- if (new_value == NULL) {
- free (value);
- _adcli_warn ("The encryption types desired are not available in active directory");
- return ADCLI_ERR_CONFIG;
- }
-
- /* If we already have this value, then don't need to update */
- if (value && strcmp (new_value, value) == 0) {
- free (value);
+ ret = calculate_enctypes (enroll, &new_value);
+ if (ret != ADCLI_SUCCESS) {
free (new_value);
- return ADCLI_SUCCESS;
+ return ret;
}
- free (value);
- if (!is_2008_or_later) {
- free (new_value);
- _adcli_warn ("Server does not support setting encryption types");
+ if (new_value == NULL) {
return ADCLI_SUCCESS;
}
--
2.16.4
