resolves: #996160 - Fix winbind with trusted domains.

Guenther
This commit is contained in:
Günther Deschner 2013-08-22 18:03:00 +02:00 committed by Günther Deschner
parent 684a1b62df
commit 7d1a612333
2 changed files with 298 additions and 1 deletions

View File

@ -0,0 +1,292 @@
From 48ccd15ba80c35a3f3595c8dddcf063efa6d3444 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Thu, 22 Aug 2013 15:39:08 +0200
Subject: [PATCH 1/6] s3-winbindd: remove pointless variable assigment, see the
strdup below.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
---
source3/winbindd/winbindd_ads.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/source3/winbindd/winbindd_ads.c b/source3/winbindd/winbindd_ads.c
index 1e45ad9..5e6bb92 100644
--- a/source3/winbindd/winbindd_ads.c
+++ b/source3/winbindd/winbindd_ads.c
@@ -101,7 +101,6 @@ static ADS_STATUS ads_cached_connection_connect(ADS_STRUCT **adsp,
ads->auth.renewable = renewable;
ads->auth.password = password;
- ads->auth.realm = realm;
ads->auth.realm = SMB_STRDUP(realm);
if (!strupper_m(ads->auth.realm)) {
--
1.8.3.1
From 21099d6a30904e0d7aa076d9e494c61b6c70e658 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Fri, 23 Aug 2013 12:33:53 +0200
Subject: [PATCH 2/6] s3-winbindd: Fix memory leak in ads_cached_connection().
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
---
source3/winbindd/winbindd_ads.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/source3/winbindd/winbindd_ads.c b/source3/winbindd/winbindd_ads.c
index 5e6bb92..924bc83 100644
--- a/source3/winbindd/winbindd_ads.c
+++ b/source3/winbindd/winbindd_ads.c
@@ -220,7 +220,7 @@ static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
domain->name, NULL,
password, realm,
WINBINDD_PAM_AUTH_KRB5_RENEW_TIME);
-
+ SAFE_FREE(realm);
if (!ADS_ERR_OK(status)) {
/* if we get ECONNREFUSED then it might be a NT4
--
1.8.3.1
From a2e83d0b0b2fbb6c46a762d19bbf7d4dc3111778 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Thu, 22 Aug 2013 16:36:27 +0200
Subject: [PATCH 3/6] s3-winbindd: Fix winbind on DC crash with trusted AD
domains.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
---
source3/winbindd/winbindd_ads.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/source3/winbindd/winbindd_ads.c b/source3/winbindd/winbindd_ads.c
index 924bc83..d6eb4b4 100644
--- a/source3/winbindd/winbindd_ads.c
+++ b/source3/winbindd/winbindd_ads.c
@@ -193,7 +193,7 @@ static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
NULL ) ) {
return NULL;
}
- realm = NULL;
+ realm = SMB_STRDUP(domain->alt_name);
}
else {
struct winbindd_domain *our_domain = domain;
--
1.8.3.1
From f1db526d94c2dc7f94f535feabab3e1a3e5bb815 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Wed, 28 Aug 2013 15:00:06 +0200
Subject: [PATCH 4/6] s3-winbindd: use find_domain_from_name() instead of
find_domain_from_name_no_init().
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Otherwise there is a good chance the domain has not been connected and we don't
know the realm name yet.
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
---
source3/winbindd/winbindd_ads.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/source3/winbindd/winbindd_ads.c b/source3/winbindd/winbindd_ads.c
index d6eb4b4..7aa936b 100644
--- a/source3/winbindd/winbindd_ads.c
+++ b/source3/winbindd/winbindd_ads.c
@@ -151,12 +151,12 @@ ADS_STATUS ads_idmap_cached_connection(ADS_STRUCT **adsp, const char *dom_name)
DEBUG(10, ("ldap_server from saf cache: '%s'\n",
ldap_server ? ldap_server : ""));
- wb_dom = find_domain_from_name_noinit(dom_name);
+ wb_dom = find_domain_from_name(dom_name);
if (wb_dom == NULL) {
DEBUG(10, ("could not find domain '%s'\n", dom_name));
realm = NULL;
} else {
- DEBUG(10, ("find_domain_from_name_noinit found realm '%s' for "
+ DEBUG(10, ("find_domain_from_name found realm '%s' for "
" domain '%s'\n", wb_dom->alt_name, dom_name));
realm = wb_dom->alt_name;
}
--
1.8.3.1
From 42f8df74231d085000e24809bb03e868c1e9bd30 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Fri, 23 Aug 2013 14:56:17 +0200
Subject: [PATCH 5/6] s3-winbindd: make sure also the idmap code can deal with
trusted domains.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
---
source3/winbindd/winbindd_ads.c | 40 +++++++++++++++++++++++++++++++---------
1 file changed, 31 insertions(+), 9 deletions(-)
diff --git a/source3/winbindd/winbindd_ads.c b/source3/winbindd/winbindd_ads.c
index 7aa936b..fc44158 100644
--- a/source3/winbindd/winbindd_ads.c
+++ b/source3/winbindd/winbindd_ads.c
@@ -136,6 +136,7 @@ ADS_STATUS ads_idmap_cached_connection(ADS_STRUCT **adsp, const char *dom_name)
{
char *ldap_server, *realm, *password;
struct winbindd_domain *wb_dom;
+ ADS_STATUS status;
ads_cached_connection_reuse(adsp);
if (*adsp != NULL) {
@@ -154,19 +155,40 @@ ADS_STATUS ads_idmap_cached_connection(ADS_STRUCT **adsp, const char *dom_name)
wb_dom = find_domain_from_name(dom_name);
if (wb_dom == NULL) {
DEBUG(10, ("could not find domain '%s'\n", dom_name));
- realm = NULL;
- } else {
- DEBUG(10, ("find_domain_from_name found realm '%s' for "
+ return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+ }
+
+ DEBUG(10, ("find_domain_from_name found realm '%s' for "
" domain '%s'\n", wb_dom->alt_name, dom_name));
- realm = wb_dom->alt_name;
+
+ if (!get_trust_pw_clear(dom_name, &password, NULL, NULL)) {
+ return ADS_ERROR_NT(NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
}
- /* the machine acct password might have change - fetch it every time */
- password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
- realm = SMB_STRDUP(lp_realm());
+ if (IS_DC) {
+ realm = SMB_STRDUP(wb_dom->alt_name);
+ } else {
+ struct winbindd_domain *our_domain = wb_dom;
- return ads_cached_connection_connect(adsp, realm, dom_name, ldap_server,
- password, realm, 0);
+ /* always give preference to the alt_name in our
+ primary domain if possible */
+
+ if (!wb_dom->primary) {
+ our_domain = find_our_domain();
+ }
+
+ if (our_domain->alt_name != NULL) {
+ realm = SMB_STRDUP(our_domain->alt_name);
+ } else {
+ realm = SMB_STRDUP(lp_realm());
+ }
+ }
+
+ status = ads_cached_connection_connect(adsp, realm, dom_name, ldap_server,
+ password, realm, 0);
+ SAFE_FREE(realm);
+
+ return status;
}
/*
--
1.8.3.1
From aeb6a0f932174f9259a04f95701bb8360d777cb5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org>
Date: Wed, 28 Aug 2013 14:53:08 +0200
Subject: [PATCH 6/6] s3-winbindd: use get_trust_pw_clear() wrapper for AD
connection code.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This avoids calling secrets functions directly.
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
---
source3/winbindd/idmap_ad.c | 1 -
source3/winbindd/winbindd_ads.c | 11 ++++-------
2 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/source3/winbindd/idmap_ad.c b/source3/winbindd/idmap_ad.c
index 1ed6570..8b63801 100644
--- a/source3/winbindd/idmap_ad.c
+++ b/source3/winbindd/idmap_ad.c
@@ -31,7 +31,6 @@
#include "ads.h"
#include "libads/ldap_schema.h"
#include "nss_info.h"
-#include "secrets.h"
#include "idmap.h"
#include "../libcli/ldap/ldap_ndr.h"
#include "../libcli/security/security.h"
diff --git a/source3/winbindd/winbindd_ads.c b/source3/winbindd/winbindd_ads.c
index fc44158..c33b1bc 100644
--- a/source3/winbindd/winbindd_ads.c
+++ b/source3/winbindd/winbindd_ads.c
@@ -27,7 +27,6 @@
#include "../librpc/gen_ndr/ndr_netlogon_c.h"
#include "../libds/common/flags.h"
#include "ads.h"
-#include "secrets.h"
#include "../libcli/ldap/ldap_ndr.h"
#include "../libcli/security/security.h"
#include "../libds/common/flag_mapping.h"
@@ -209,20 +208,18 @@ static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
/* the machine acct password might have change - fetch it every time */
+ if (!get_trust_pw_clear(domain->name, &password, NULL, NULL)) {
+ return NULL;
+ }
+
if ( IS_DC ) {
- if ( !pdb_get_trusteddom_pw( domain->name, &password, NULL,
- NULL ) ) {
- return NULL;
- }
realm = SMB_STRDUP(domain->alt_name);
}
else {
struct winbindd_domain *our_domain = domain;
- password = secrets_fetch_machine_password(lp_workgroup(), NULL,
- NULL);
/* always give preference to the alt_name in our
primary domain if possible */
--
1.8.3.1

View File

@ -1,7 +1,7 @@
# Set --with testsuite or %bcond_without to run the Samba torture testsuite.
%bcond_with testsuite
%define main_release 4
%define main_release 5
%define samba_version 4.1.0
%define talloc_version 2.0.8
@ -76,6 +76,7 @@ Source200: README.dc
Source201: README.downgrade
Patch0: samba-4.1.0rc3-fix_winbind_nbtname_segfault.patch
Patch1: samba-4.1.0rc3-winbind-ads.patch
BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
@ -435,6 +436,7 @@ the local kerberos library to use the same KDC as samba and winbind use
%setup -q -n samba-%{version}%{pre_release}
%patch0 -p1 -b .samba-4.1.0rc3-fix_winbind_nbtname_segfault.patch
%patch1 -p1 -b .samba-4.1.0rc3-winbind_ads.patch
%build
%global _talloc_lib ,talloc,pytalloc,pytalloc-util
@ -1463,6 +1465,9 @@ rm -rf %{buildroot}
%{_mandir}/man7/winbind_krb5_locator.7*
%changelog
* Thu Aug 22 2013 - Guenther Deschner <gdeschner@redhat.com> - 2:4.1.0-0.5
- resolves: #996160 - Fix winbind with trusted domains.
* Wed Aug 14 2013 - Andreas Schneider <asn@redhat.com> 2:4.1.0-0.4
- resolves: #996160 - Fix winbind nbt name lookup segfault.