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No commits in common. "imports/c8-stream-client/slapi-nis-0.56.6-4.module+el8.5.0+12584+0b8f669a" and "c8-stream-DL1" have entirely different histories.

11 changed files with 233 additions and 182 deletions

2
.gitignore vendored
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SOURCES/slapi-nis-0.56.6.tar.gz
SOURCES/slapi-nis-0.60.0.tar.gz

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c32d869856123cbecd7b3786bc2bd880d01c47ed SOURCES/slapi-nis-0.56.6.tar.gz
e5a84cf93b13b174c6d865de2f735cbfbc950917 SOURCES/slapi-nis-0.60.0.tar.gz

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From 2f2b7ecd9d6a0f5044c24e4f96464942a1d873db Mon Sep 17 00:00:00 2001
From: Alexander Bokovoy <abokovoy@redhat.com>
Date: Wed, 7 Apr 2021 14:40:52 +0300
Subject: [PATCH] CVE-2021-3480: invalid bind DN crash
For certain LDAP bind operations 389-ds would pass unvalidated bind DN
to bind plugins. A first attempt to normalize the DN would find that out
and should reject the request.
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
---
src/back-sch.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/back-sch.c b/src/back-sch.c
index a5e4c04..d806627 100644
--- a/src/back-sch.c
+++ b/src/back-sch.c
@@ -1988,6 +1988,11 @@ backend_locate_cb(const char *group, const char *set, bool_t flag,
rdn = slapi_rdn_new_sdn(cbdata->target_dn);
if (rdn != NULL) {
rdnstr = slapi_rdn_get_nrdn(rdn);
+ if (rdnstr == NULL) {
+ /* normalizing RDN failed, break the search */
+ slapi_rdn_free(&rdn);
+ return FALSE;
+ }
if (map_match(cbdata->state, group, set, &flag,
strlen(rdnstr), rdnstr,
&ndnlen, &ndn,
--
2.31.1

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@ -1,16 +0,0 @@
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@ -0,0 +1,102 @@
From ee94788e63d9f35daca7c0d1e80a488f738a9c52 Mon Sep 17 00:00:00 2001
From: Thierry Bordaz <tbordaz@redhat.com>
Date: Fri, 1 Sep 2023 11:02:08 +0200
Subject: [PATCH 1/2] BZ 2124214 - schema compat plugin deadlock on delete post
op
Bug description:
backends locks (SC map and retroCL) are acquired in
the opposite order
(https://bugzilla.redhat.com/show_bug.cgi?id=2124214#c17)
Fix description:
Credits of the fix are to Pierre Rogier who found
a reproducible testcase, did the fix and verified it.
In specific condition of retroCL trimming the DEL
callback of the SC should check if the backend should
be ignored
relates: 2124214
---
src/back-shr.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/back-shr.c b/src/back-shr.c
index ce2b1f3..1792bef 100644
--- a/src/back-shr.c
+++ b/src/back-shr.c
@@ -2811,6 +2811,18 @@ backend_shr_delete_cb(Slapi_PBlock *pb)
if (wrap_get_call_level() > 0) {
return 0;
}
+ /* especially important to test if we want to prevent frequent
+ * deadlocks when backends are accesses in opposite order.
+ * i.e. "regular" update on domain map+retroCL and retroCL trimming
+ * retroCL+domain map
+ */
+ if (backend_shr_write_ignore(pb)) {
+#if DEBUG_MAP_LOCK
+ slapi_log_error(SLAPI_LOG_FATAL, "schema-compat",
+ "backend_shr_delete_cb: (%p) operation is not impacting schema compat\n", PR_MyThreadId(), 1);
+#endif
+ return 0;
+ }
/* Read parameters from the pblock. */
slapi_pblock_get(pb, SLAPI_PLUGIN_PRIVATE, &cbdata.state);
--
2.41.0
From 61fcf534c3da767788e27641f3ebfe4d6a6c0b25 Mon Sep 17 00:00:00 2001
From: Alexander Bokovoy <abokovoy@redhat.com>
Date: Mon, 9 Oct 2023 13:53:28 +0300
Subject: [PATCH 2/2] Add more ignores to modrdn and modify cases
BZ 2124214 - schema compat plugin deadlock on delete post op
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
---
src/back-shr.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/src/back-shr.c b/src/back-shr.c
index 1792bef..4cbc39b 100644
--- a/src/back-shr.c
+++ b/src/back-shr.c
@@ -2463,6 +2463,15 @@ backend_shr_modify_cb(Slapi_PBlock *pb)
/* No data yet, ignore */
return 0;
}
+
+ if (backend_shr_write_ignore(pb)) {
+#if DEBUG_MAP_LOCK
+ slapi_log_error(SLAPI_LOG_FATAL, "schema-compat",
+ "backend_shr_modify_cb: (%p) operation is not impacting schema compat\n", PR_MyThreadId(), 1);
+#endif
+ return 0;
+ }
+
slapi_pblock_get(pb, SLAPI_MODIFY_TARGET, &dn);
slapi_pblock_get(pb, SLAPI_MODIFY_MODS, &cbdata.mods);
slapi_pblock_get(pb, SLAPI_ENTRY_PRE_OP, &cbdata.e_pre);
@@ -2669,6 +2678,15 @@ backend_shr_modrdn_cb(Slapi_PBlock *pb)
/* No data yet, ignore */
return 0;
}
+
+ if (backend_shr_write_ignore(pb)) {
+#if DEBUG_MAP_LOCK
+ slapi_log_error(SLAPI_LOG_FATAL, "schema-compat",
+ "backend_shr_modrdn_cb: (%p) operation is not impacting schema compat\n", PR_MyThreadId(), 1);
+#endif
+ return 0;
+ }
+
slapi_pblock_get(pb, SLAPI_ENTRY_PRE_OP, &cbdata.e_pre);
slapi_pblock_get(pb, SLAPI_ENTRY_POST_OP, &cbdata.e_post);
--
2.41.0

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@ -1,41 +0,0 @@
From d18b1d105c928363eddec87af37fda0757cfb440 Mon Sep 17 00:00:00 2001
From: Alexander Bokovoy <abokovoy@redhat.com>
Date: Thu, 1 Jul 2021 11:37:38 +0300
Subject: [PATCH] back-sch: reuse backend_should_descend
When backend_search_find_set_dn_cb() is called, use the same logic as in
other callbacks -- identify whether we should descend into the group by
using backend_should_descend().
The issue was introduced in 2015 with ID Views support but was masked
until 61ea8f6a104da25329e301a8f56944f860de8177 as we always felt through
to the full scan of the groups anyway. with the latter change the
fell-through part was removed.
Resolves: rhbz#1958909
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
Signed-off-by: Thierry Bordaz <tbordaz@redhat.com>
---
src/back-sch.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/back-sch.c b/src/back-sch.c
index d806627..0ed06fb 100644
--- a/src/back-sch.c
+++ b/src/back-sch.c
@@ -1369,8 +1369,9 @@ backend_search_find_set_dn_cb(const char *group, void *cb_data)
/* Check the group itself. */
group_dn = slapi_sdn_new_dn_byval(group);
- if (slapi_sdn_scope_test(group_dn, cbdata->target_dn,
- cbdata->scope) == 1) {
+ if (backend_should_descend(group_dn,
+ cbdata->target_dn,
+ cbdata->scope)) {
cbdata->answer = TRUE;
slapi_sdn_free(&group_dn);
return TRUE;
--
2.31.1

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@ -1,27 +0,0 @@
From 02a9cb46ece79d6205a847e6941a772febe47cff Mon Sep 17 00:00:00 2001
From: Viktor Ashirov <vashirov@redhat.com>
Date: Thu, 5 Aug 2021 16:04:49 +0200
Subject: [PATCH] back-sch: fix memory leak in backend_search_cb()
Resolves: rhbz#1967906
Signed-off-by: Viktor Ashirov <vashirov@redhat.com>
---
src/back-sch.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/back-sch.c b/src/back-sch.c
index 0ed06fb..172d619 100644
--- a/src/back-sch.c
+++ b/src/back-sch.c
@@ -1793,6 +1793,7 @@ backend_search_cb(Slapi_PBlock *pb)
slapi_ch_free_string(&target);
if (cbdata.answer == FALSE) {
/* None of the configured trees in the sets matched the target at all, ignore search */
+ slapi_sdn_free(&cbdata.target_dn);
return 0;
}
}
--
2.31.1

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@ -1,52 +0,0 @@
From 0f700cf71f5531fb6c863990216aa1eb88970dc8 Mon Sep 17 00:00:00 2001
From: Alexander Bokovoy <abokovoy@redhat.com>
Date: Wed, 16 Jun 2021 11:08:21 +0300
Subject: [PATCH] back-sch-nss: only loop if asked to try again
slapi-nis uses sss-idmap library to discover user group membership. Its
sss_nss_getgrouplist_timeout() function can return timeout errors as
well which might cause a busy looping. sss_nss_getgrouplist_timeout()
will return ERANGE which is translated by slapi-nis to NSS_STATUS_TRYAGAIN.
Fixes: rhbz#1967179
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
---
src/back-sch-nss.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/src/back-sch-nss.c b/src/back-sch-nss.c
index df04a96..b595f3b 100644
--- a/src/back-sch-nss.c
+++ b/src/back-sch-nss.c
@@ -589,19 +589,22 @@ repeat:
return NULL;
}
- do {
+ for(rc = NSS_STATUS_TRYAGAIN; rc == NSS_STATUS_TRYAGAIN;) {
rc = backend_nss_getgrouplist(ctx, user_name, pwd.pw_gid,
grouplist, &ngroups,
&lerrno);
- if ((rc != NSS_STATUS_SUCCESS)) {
- tmp_list = realloc(grouplist, ngroups * sizeof(gid_t));
- if (tmp_list == NULL) {
+ if (rc == NSS_STATUS_TRYAGAIN) {
+ tmp_list = NULL;
+ if (lerrno == ERANGE) {
+ tmp_list = realloc(grouplist, ngroups * sizeof(gid_t));
+ }
+ if ((tmp_list == NULL) || (lerrno == ENOMEM)) {
free(grouplist);
return NULL;
}
grouplist = tmp_list;
}
- } while (rc != NSS_STATUS_SUCCESS);
+ }
entries = calloc(ngroups + 1, sizeof(entries[0]));
if (entries == NULL) {
--
2.31.1

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@ -0,0 +1,78 @@
From 24eeccd408d9627299231d7843ca9e65e71af3de Mon Sep 17 00:00:00 2001
From: Alexander Bokovoy <abokovoy@redhat.com>
Date: Tue, 21 Mar 2023 17:32:47 +0200
Subject: [PATCH 1/2] Test the case when container is a child of the target DN
We can have target DN both inside or outside of a container.
Previously, the code did not look into the latter one. When container is
a child of the target DN (like using IPA's base DN instead of
cn=compat,$BASE_DN) and a search was done with a subtree scope, the
check failed.
With this change a subtree scope search which starts with a base DN
that includes a compat tree's container would be considered for the
search.
Fixes: rhbz#2168893
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
---
src/back-sch.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/back-sch.c b/src/back-sch.c
index 93746b1..e447bda 100644
--- a/src/back-sch.c
+++ b/src/back-sch.c
@@ -1340,11 +1340,12 @@ backend_search_find_set_dn_in_group_cb(const char *group, const char *set, bool_
if (slapi_sdn_scope_test(cbdata->target_dn,
set_data->container_sdn,
- cbdata->scope) == 1) {
+ cbdata->scope) != 0) {
cbdata->answer = TRUE;
- }
-
- if (slapi_sdn_issuffix(cbdata->target_dn, set_data->container_sdn) == 1) {
+ } else if ((cbdata->scope == LDAP_SCOPE_SUBTREE) &&
+ slapi_sdn_scope_test(set_data->container_sdn,
+ cbdata->target_dn,
+ cbdata->scope) != 0) {
cbdata->answer = TRUE;
}
--
2.40.0
From 73058645eac86b40913deec01807854e0a8bda0d Mon Sep 17 00:00:00 2001
From: Alexander Bokovoy <abokovoy@redhat.com>
Date: Mon, 24 Apr 2023 12:19:10 +0300
Subject: [PATCH 2/2] Identify the container without search base check
Ignore the actual search base when identifying whether a target DN is
within a known data container. The reason is that we need to know
whether a search would have to descent into a particular container. The
scope validation will happen later.
Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
---
src/back-sch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/back-sch.c b/src/back-sch.c
index e447bda..a79f61b 100644
--- a/src/back-sch.c
+++ b/src/back-sch.c
@@ -1340,7 +1340,7 @@ backend_search_find_set_dn_in_group_cb(const char *group, const char *set, bool_
if (slapi_sdn_scope_test(cbdata->target_dn,
set_data->container_sdn,
- cbdata->scope) != 0) {
+ LDAP_SCOPE_SUBTREE) != 0) {
cbdata->answer = TRUE;
} else if ((cbdata->scope == LDAP_SCOPE_SUBTREE) &&
slapi_sdn_scope_test(set_data->container_sdn,
--
2.40.0

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@ -10,19 +10,21 @@
%endif
Name: slapi-nis
Version: 0.56.6
Release: 4%{?dist}
Version: 0.60.0
Release: 4%{?dist}.alma.1
Summary: NIS Server and Schema Compatibility plugins for Directory Server
Group: System Environment/Daemons
License: GPLv2
License: GPLv3
URL: http://pagure.io/slapi-nis/
Source0: https://releases.pagure.org/slapi-nis/slapi-nis-%{version}.tar.gz
Source1: https://releases.pagure.org/slapi-nis/slapi-nis-%{version}.tar.gz.asc
Patch1: cve-2021-3480-fix.patch
Patch2: slapi-nis-bz1978189.patch
Patch3: slapi-nis-bz1958909.patch
Patch4: slapi-nis-bz1967906.patch
Patch0: slapi-nis-bz2183469.patch
# Patches were taken from:
# https://gitlab.com/redhat/centos-stream/rpms/slapi-nis/-/commit/0c099f8456d77e063b51c39fac7c70105816855a
Patch1: slapi-nis-RHEL-5134.patch
BuildRequires: make
BuildRequires: autoconf
BuildRequires: automake
BuildRequires: libtool
@ -60,10 +62,8 @@ for attributes from multiple entries in the tree.
%prep
%setup -q
%patch0 -p1
%patch1 -p1
%patch2 -p1
%patch3 -p1
%patch4 -p1
%build
autoconf --force
@ -92,8 +92,32 @@ make check
%{_sbindir}/nisserver-plugin-defs
%changelog
* Wed Nov 15 2023 Eduard Abdullin <eabdullin@almalinux.org> - 0.60.0-4.alma.1
- Ignore updates from non-tracked subtrees during modify/modrdn/update
to avoid deadlocks with retro changelog
* Mon Apr 24 2023 Alexander Bokovoy <abokovoy@redhat.com> - 0.60.0-3
- Also handle base searches within the compat tree
- Related: rhbz#2183469
* Wed Apr 12 2023 Alexander Bokovoy <abokovoy@redhat.com> - 0.60.0-2
- Fix base DN searches outside the compat tree
- Resolves: rhbz#2183469
* Sat Aug 20 2022 Alexander Bokovoy <abokovoy@redhat.com> - 0.60.0-1
- upstream release 0.60.0
- Change license from GPLv2 to GPLv3+ to follow 389-ds licensing
- Resolves: rhbz#1984010
Fix ID views integration
- Fix base scope lookups
- Resolves: rhbz#1784172
Bump NIS max dgram size to 8KB by default instead of 1KB
- Resolves: rhbz#2070575
Allow to rebuild the compat tree
* Mon Sep 13 2021 Alexander Bokovoy <abokovoy@redhat.com> - 0.56.6-4
- Resolves: rhbz#1967906 - fix memory leak in backend_search_cb
- Resolves: rhbz#2000919 - memory leak in backend_search_cb
* Thu Jul 01 2021 Alexander Bokovoy <abokovoy@redhat.com> - 0.56.6-3
- Resolves: rhbz#1958909 - fix regression for scoped searches in compat tree