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sssd/0002-sdap-add-search_bases-option-to-groups_by_user_send.patch

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Resolves: RHEL-25064 - AD users are unable to log in due to case sensitivity of user because the domain is found as an alias to the email address. [rhel-8] Resolves: RHEL-25066 - gdm smartcard login fails with sssd-2.9.3 in case of multiple identities [rhel-8] Resolves: RHEL-25065 - ssh pubkey stored in ldap/AD no longer works to authenticate via sssd [rhel-8]
2024-02-12 10:39:10 +00:00
From a7621a5b464af7a3c8409dcbde038b35fee2c895 Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Tue, 23 Jan 2024 13:47:53 +0100
Subject: [PATCH 2/3] sdap: add search_bases option to groups_by_user_send()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
AD handles users and computer objects very similar and so does SSSD's
GPO code when lookup up the host's group-memberships. But users and
computers might be stored in different sub-tree of the AD LDAP tree and
if a dedicated user search base is given with the ldap_user_search_base
option in sssd.conf the host object might be in a different sub-tree. To
make sure the host can still be found this patch uses the base DN of
the LDAP tree when searching for hosts in the GPO code.
Resolves: https://github.com/SSSD/sssd/issues/5708
Reviewed-by: Alejandro López <allopez@redhat.com>
Reviewed-by: Tomáš Halman <thalman@redhat.com>
(cherry picked from commit 29a77c6e79020d7e8cb474b4d3b394d390eba196)
---
src/providers/ad/ad_gpo.c | 10 ++++++++++
src/providers/ldap/ldap_common.h | 1 +
src/providers/ldap/ldap_id.c | 6 +++++-
src/providers/ldap/sdap_async.h | 1 +
src/providers/ldap/sdap_async_initgroups.c | 4 +++-
5 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/src/providers/ad/ad_gpo.c b/src/providers/ad/ad_gpo.c
index 94959c36b..b0ee3e616 100644
--- a/src/providers/ad/ad_gpo.c
+++ b/src/providers/ad/ad_gpo.c
@@ -2091,6 +2091,7 @@ ad_gpo_connect_done(struct tevent_req *subreq)
char *server_uri;
LDAPURLDesc *lud;
struct sdap_domain *sdom;
+ struct sdap_search_base **search_bases;
req = tevent_req_callback_data(subreq, struct tevent_req);
state = tevent_req_data(req, struct ad_gpo_access_state);
@@ -2184,9 +2185,18 @@ ad_gpo_connect_done(struct tevent_req *subreq)
goto done;
}
+ ret = common_parse_search_base(state, sdom->basedn, state->ldb_ctx,
+ "AD_HOSTS", NULL, &search_bases);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE,
+ "Failed to create dedicated search base for host lookups, "
+ "trying with user search base.");
+ }
+
subreq = groups_by_user_send(state, state->ev,
state->access_ctx->ad_id_ctx->sdap_id_ctx,
sdom, state->conn,
+ search_bases,
state->host_fqdn,
BE_FILTER_NAME,
NULL,
diff --git a/src/providers/ldap/ldap_common.h b/src/providers/ldap/ldap_common.h
index 7159d6356..2c984ef50 100644
--- a/src/providers/ldap/ldap_common.h
+++ b/src/providers/ldap/ldap_common.h
@@ -304,6 +304,7 @@ struct tevent_req *groups_by_user_send(TALLOC_CTX *memctx,
struct sdap_id_ctx *ctx,
struct sdap_domain *sdom,
struct sdap_id_conn_ctx *conn,
+ struct sdap_search_base **search_bases,
const char *filter_value,
int filter_type,
const char *extra_value,
diff --git a/src/providers/ldap/ldap_id.c b/src/providers/ldap/ldap_id.c
index da54816bd..b3ea2333f 100644
--- a/src/providers/ldap/ldap_id.c
+++ b/src/providers/ldap/ldap_id.c
@@ -1139,6 +1139,7 @@ struct groups_by_user_state {
struct sdap_id_op *op;
struct sysdb_ctx *sysdb;
struct sss_domain_info *domain;
+ struct sdap_search_base **search_bases;
const char *filter_value;
int filter_type;
@@ -1160,6 +1161,7 @@ struct tevent_req *groups_by_user_send(TALLOC_CTX *memctx,
struct sdap_id_ctx *ctx,
struct sdap_domain *sdom,
struct sdap_id_conn_ctx *conn,
+ struct sdap_search_base **search_bases,
const char *filter_value,
int filter_type,
const char *extra_value,
@@ -1192,6 +1194,7 @@ struct tevent_req *groups_by_user_send(TALLOC_CTX *memctx,
state->extra_value = extra_value;
state->domain = sdom->dom;
state->sysdb = sdom->dom->sysdb;
+ state->search_bases = search_bases;
if (state->domain->type == DOM_TYPE_APPLICATION || set_non_posix) {
state->non_posix = true;
@@ -1254,6 +1257,7 @@ static void groups_by_user_connect_done(struct tevent_req *subreq)
sdap_id_op_handle(state->op),
state->ctx,
state->conn,
+ state->search_bases,
state->filter_value,
state->filter_type,
state->extra_value,
@@ -1449,7 +1453,7 @@ sdap_handle_acct_req_send(TALLOC_CTX *mem_ctx,
}
subreq = groups_by_user_send(state, be_ctx->ev, id_ctx,
- sdom, conn,
+ sdom, conn, NULL,
ar->filter_value,
ar->filter_type,
ar->extra_value,
diff --git a/src/providers/ldap/sdap_async.h b/src/providers/ldap/sdap_async.h
index 5458d21f1..89245f41f 100644
--- a/src/providers/ldap/sdap_async.h
+++ b/src/providers/ldap/sdap_async.h
@@ -158,6 +158,7 @@ struct tevent_req *sdap_get_initgr_send(TALLOC_CTX *memctx,
struct sdap_handle *sh,
struct sdap_id_ctx *id_ctx,
struct sdap_id_conn_ctx *conn,
+ struct sdap_search_base **search_bases,
const char *name,
int filter_type,
const char *extra_value,
diff --git a/src/providers/ldap/sdap_async_initgroups.c b/src/providers/ldap/sdap_async_initgroups.c
index 97be594a3..fb3d8fe24 100644
--- a/src/providers/ldap/sdap_async_initgroups.c
+++ b/src/providers/ldap/sdap_async_initgroups.c
@@ -2732,6 +2732,7 @@ struct tevent_req *sdap_get_initgr_send(TALLOC_CTX *memctx,
struct sdap_handle *sh,
struct sdap_id_ctx *id_ctx,
struct sdap_id_conn_ctx *conn,
+ struct sdap_search_base **search_bases,
const char *filter_value,
int filter_type,
const char *extra_value,
@@ -2764,7 +2765,8 @@ struct tevent_req *sdap_get_initgr_send(TALLOC_CTX *memctx,
state->orig_user = NULL;
state->timeout = dp_opt_get_int(state->opts->basic, SDAP_SEARCH_TIMEOUT);
state->user_base_iter = 0;
- state->user_search_bases = sdom->user_search_bases;
+ state->user_search_bases = (search_bases == NULL) ? sdom->user_search_bases
+ : search_bases;
if (!state->user_search_bases) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Initgroups lookup request without a user search base\n");
--
2.41.0
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