Blame SOURCES/0094-SDAP-skip-builtin-AD-groups-in-sdap_save_grpmem.patch

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From 75da39f57ba0223be9bd9906cd3ed902623aed10 Mon Sep 17 00:00:00 2001
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From: Sumit Bose <sbose@redhat.com>
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Date: Mon, 18 Dec 2017 20:30:04 +0100
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Subject: [PATCH 94/96] SDAP: skip builtin AD groups in sdap_save_grpmem()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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While processing group memberships SSSD might accidentally save builtin
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or other well known AD groups. With this patch those groups are skipped
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similar as e.g. in sdap_save_group().
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Resolves:
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https://pagure.io/SSSD/sssd/issue/3610
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Reviewed-by: Fabiano FidĂȘncio <fidencio@redhat.com>
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(cherry picked from commit c36a66b7fb77cff29400c751b363a342923e122e)
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---
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 src/providers/ldap/sdap_async_groups.c | 11 +++++++++++
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 1 file changed, 11 insertions(+)
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diff --git a/src/providers/ldap/sdap_async_groups.c b/src/providers/ldap/sdap_async_groups.c
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index b1cfb7e4a4c054e5d365da5fca65da27c9ef5461..bbe6f1386eadbe4eb7b47bea9e5a6bb8ff4ee8eb 100644
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--- a/src/providers/ldap/sdap_async_groups.c
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+++ b/src/providers/ldap/sdap_async_groups.c
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@@ -880,6 +880,8 @@ static int sdap_save_grpmem(TALLOC_CTX *memctx,
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     int ret;
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     const char *remove_attrs[] = {SYSDB_MEMBER, SYSDB_ORIG_MEMBER, SYSDB_GHOST,
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                                   NULL};
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+    const char *check_dom;
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+    const char *check_name;
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     if (dom->ignore_group_members) {
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         DEBUG(SSSDBG_CRIT_FAILURE,
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@@ -905,6 +907,15 @@ static int sdap_save_grpmem(TALLOC_CTX *memctx,
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         group_dom = sss_get_domain_by_sid_ldap_fallback(get_domains_head(dom),
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                                                         group_sid);
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         if (group_dom == NULL) {
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+            ret = well_known_sid_to_name(group_sid, &check_dom, &check_name);
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+            if (ret == EOK) {
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+                DEBUG(SSSDBG_TRACE_FUNC,
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+                      "Skipping group with SID [%s][%s\\%s] which is "
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+                      "currently not handled by SSSD.\n",
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+                      group_sid, check_dom, check_name);
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+                return EOK;
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+            }
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+
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             DEBUG(SSSDBG_TRACE_FUNC, "SID [%s] does not belong to any known "
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                                      "domain, using [%s].\n", group_sid,
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                                                               dom->name);
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-- 
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2.14.3
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