[SSSD] [PATCH] Two minor patches for tokenGroups nested group processing

Lukas Slebodnik lslebodn at redhat.com
Mon Aug 11 08:29:06 UTC 2014


On (11/08/14 10:24), Jakub Hrozek wrote:
>On Mon, Aug 11, 2014 at 10:05:56AM +0200, Lukas Slebodnik wrote:
>> On (22/07/14 18:43), Jakub Hrozek wrote:
>> >On Thu, Mar 13, 2014 at 12:00:47PM +0100, Sumit Bose wrote:
>> >> On Wed, Mar 12, 2014 at 11:20:42PM +0100, Jakub Hrozek wrote:
>> >> > Hi,
>> >> > 
>> >> > the attached two patches are not strictly related to tokenGroups
>> >> > processing, but it's very easy to reproduce the problem that way. The
>> >> > issue is only confusing DEBUG messages, but it has already cost me
>> >> > several hours in processing logs from an SSSD user, so I think a fix is
>> >> > due, at least for master.
>> >> > 
>> >> > See the patches and the commit messages for more details.
>> >> 
>> >> as a first note, the second patch makes nestedgroups-tests fail because
>> >> sdap_idmap_domain_has_algorithmic_mapping() must be made available to
>> >> the test and sdap_idmap_ctx must be initialized.
>> >> 
>> >> But since this 'only' influences the tests I will run some tests with
>> >> the current version of the patches.
>> >> 
>> >> bye,
>> >> Sumit
>> >
>> >I completely forgot about these patches until I was doing cleanup of my
>> >git branches. Attached is a new revision..
>> 
>> >From 3c4ce4a2b9f58e0b50f9ad48d07110b30bc74cd9 Mon Sep 17 00:00:00 2001
>> >From: Jakub Hrozek <jhrozek at redhat.com>
>> >Date: Tue, 11 Mar 2014 17:39:31 +0100
>> >Subject: [PATCH 2/2] Only check GID if ID-mapping
>> >
>> >---
>> > Makefile.am                                   | 11 ++++++++---
>> > src/providers/ldap/sdap_async_nested_groups.c |  9 ++++++++-
>> > src/tests/cmocka/test_nested_groups.c         | 20 ++++++++++++++++++++
>> > 3 files changed, 36 insertions(+), 4 deletions(-)
>> >
>> >diff --git a/Makefile.am b/Makefile.am
>> >index e3592868ce29b569a71f6ad74bc24cc617301b34..783a8922ede16ea3cc3eb6df568773126c5661fb 100644
>> >--- a/Makefile.am
>> >+++ b/Makefile.am
>> >@@ -1740,15 +1740,20 @@ fqnames_tests_LDADD = \
>> > nestedgroups_tests_SOURCES = \
>> >     $(TEST_MOCK_OBJ) \
>> >     $(TEST_MOCK_PROVIDER_OBJ) \
>> >+    src/providers/ldap/sdap_idmap.c \
>> >     src/tests/cmocka/test_nested_groups.c \
>> >-    src/providers/ldap/sdap_async_nested_groups.c
>> >+    src/providers/ldap/sdap_async_nested_groups.c \
>> >+    $(NULL)
>> > nestedgroups_tests_CFLAGS = \
>> >-    $(AM_CFLAGS)
>> >+    $(AM_CFLAGS) \
>> >+    $(NULL)
>> > nestedgroups_tests_LDADD = \
>> >     $(CMOCKA_LIBS) \
>> >     $(SSSD_LIBS) \
>> >     $(SSSD_INTERNAL_LTLIBS) \
>> >-    libsss_test_common.la
>> >+    libsss_idmap.la \
>> >+    libsss_test_common.la \
>> >+    $(NULL)
>> > 
>> > test_sss_idmap_SOURCES = \
>> >     src/tests/cmocka/test_sss_idmap.c
>> >diff --git a/src/providers/ldap/sdap_async_nested_groups.c b/src/providers/ldap/sdap_async_nested_groups.c
>> >index 305afbc9d4f153fe2daa6289cc318b1183be72ca..5398b14bc0e163c122def1c3d729b28d72873b82 100644
>> >--- a/src/providers/ldap/sdap_async_nested_groups.c
>> >+++ b/src/providers/ldap/sdap_async_nested_groups.c
>> >@@ -34,6 +34,7 @@
>> > #include "providers/ldap/ldap_common.h"
>> > #include "providers/ldap/sdap_async.h"
>> > #include "providers/ldap/sdap_async_private.h"
>> >+#include "providers/ldap/sdap_idmap.h"
>> > 
>> > #define sdap_nested_group_sysdb_search_users(domain, filter) \
>> >     sdap_nested_group_sysdb_search((domain), (filter), true)
>> >@@ -242,6 +243,7 @@ sdap_nested_group_hash_group(struct sdap_nested_group_ctx *group_ctx,
>> >     errno_t ret;
>> >     int32_t ad_group_type;
>> >     bool posix_group = true;
>> >+    bool use_id_mapping;
>> > 
>> >     if (group_ctx->opts->schema_type == SDAP_SCHEMA_AD) {
>> >         ret = sysdb_attrs_get_int32_t(group, SYSDB_GROUP_TYPE, &ad_group_type);
>> >@@ -265,7 +267,12 @@ sdap_nested_group_hash_group(struct sdap_nested_group_ctx *group_ctx,
>> >         }
>> >     }
>> > 
>> >-    if (posix_group) {
>> >+    use_id_mapping = sdap_idmap_domain_has_algorithmic_mapping(
>> >+                                                          group_ctx->opts->idmap_ctx,
>> >+                                                          group_ctx->domain->name,
>> >+                                                          group_ctx->domain->domain_id);
>> >+
>> >+    if (posix_group && !use_id_mapping) {
>> >         ret = sysdb_attrs_get_uint32_t(group, map[SDAP_AT_GROUP_GID].sys_name,
>> >                                        &gid);
>> >     }
>> 
>> 270 use_id_mapping = sdap_idmap_domain_has_algorithmic_mapping(
>> 271 group_ctx->opts->idmap_ctx,
>> 272 group_ctx->domain->name,
>> 273 group_ctx->domain->domain_id);
>> 274
>> 275 if (posix_group && !use_id_mapping) {
>>         // 'posix_group' can be true and 'use_id_mapping' is not equal to 0
>>         // sysdb_attrs_get_uint32_t will not be called.
>> 276     ret = sysdb_attrs_get_uint32_t(group, map[SDAP_AT_GROUP_GID].sys_name,
>> 277                                    &gid);
>> 278 }
>> 279 if (!posix_group || ret == ENOENT || (ret == EOK && gid == 0)) {
>>                         ^^^^^^^^^^^^^
>>             'ret' needn't be ENOENT because function 'sysdb_attrs_get_int32_t'
>>              could be called on line 249
>> 
>>             'gid' will not be initialised.
>> 
>> LS
>
>Can you send a patch?
I didn't send, because I was not sure was is the right solution.

LS



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