adcli/SOURCES/0004-library-make-sure-server-side-SPNs-are-preserved.patch

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2020-07-14 01:03:58 +00:00
From 972f1a2f35829ed89f5353bd204683aa9ad6a2d2 Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Fri, 22 Mar 2019 10:37:57 +0100
Subject: [PATCH 4/4] library: make sure server side SPNs are preserved
adcli should not delete service principal names (SPNs) unexpectedly. If
a SPN was added on the server while presetting a host or updating an
existing entry and upcoming adcli join or update should preserver this
change.
Related to https://bugzilla.redhat.com/show_bug.cgi?id=1630187
---
library/adenroll.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/library/adenroll.c b/library/adenroll.c
index 48cb4cf..1cce86a 100644
--- a/library/adenroll.c
+++ b/library/adenroll.c
@@ -1961,6 +1961,47 @@ adcli_enroll_prepare (adcli_enroll *enroll,
return res;
}
+static adcli_result
+add_server_side_service_principals (adcli_enroll *enroll)
+{
+ char **spn_list;
+ LDAP *ldap;
+ size_t c;
+ int length = 0;
+ adcli_result res;
+
+ ldap = adcli_conn_get_ldap_connection (enroll->conn);
+ assert (ldap != NULL);
+
+ spn_list = _adcli_ldap_parse_values (ldap, enroll->computer_attributes,
+ "servicePrincipalName");
+ if (spn_list == NULL) {
+ return ADCLI_SUCCESS;
+ }
+
+ if (enroll->service_principals != NULL) {
+ length = seq_count (enroll->service_principals);
+ }
+
+ for (c = 0; spn_list[c] != NULL; c++) {
+ _adcli_info ("Checking %s", spn_list[c]);
+ if (!_adcli_strv_has_ex (enroll->service_principals_to_remove, spn_list[c], strcasecmp)) {
+ enroll->service_principals = _adcli_strv_add_unique (enroll->service_principals,
+ spn_list[c], &length, false);
+ assert (enroll->service_principals != NULL);
+ _adcli_info (" Added %s", spn_list[c]);
+ }
+ }
+ _adcli_strv_free (spn_list);
+
+ res = ensure_keytab_principals (ADCLI_SUCCESS, enroll);
+ if (res != ADCLI_SUCCESS) {
+ return res;
+ }
+
+ return ADCLI_SUCCESS;
+}
+
static adcli_result
enroll_join_or_update_tasks (adcli_enroll *enroll,
adcli_enroll_flags flags)
@@ -2019,6 +2060,11 @@ enroll_join_or_update_tasks (adcli_enroll *enroll,
update_and_calculate_enctypes (enroll);
update_computer_account (enroll);
+ res = add_server_side_service_principals (enroll);
+ if (res != ADCLI_SUCCESS) {
+ return res;
+ }
+
/* service_names is only set from input on the command line, so no
* additional check for explicit is needed here */
if (enroll->service_names != NULL) {
--
2.20.1