URL: https://github.com/SSSD/sssd/pull/43
Author: celestian
 Title: #43: RESPONDER: Enable sudoRule in case insen. domains​ (1.14)
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/43/head:pr43
git checkout pr43
From 074f527baa953506a6950ce0161795f675478852 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20=C4=8Cech?= <pc...@redhat.com>
Date: Wed, 12 Oct 2016 16:48:38 +0200
Subject: [PATCH 1/2] SYSDB: Adding lowercase sudoUser form

If domain is not case sensitive we add lowercase form of usernames
to sudoUser attributes. So we actually able to apply sudoRule on
user Administrator@... with login admnistrator@...

Resolves:
https://fedorahosted.org/sssd/ticket/3203
---
 src/db/sysdb_sudo.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/src/db/sysdb_sudo.c b/src/db/sysdb_sudo.c
index 601fb63..8307aaa 100644
--- a/src/db/sysdb_sudo.c
+++ b/src/db/sysdb_sudo.c
@@ -852,6 +852,56 @@ sysdb_sudo_add_sss_attrs(struct sysdb_attrs *rule,
     return EOK;
 }
 
+static errno_t sysdb_sudo_add_lowered_users(struct sss_domain_info *domain,
+                                            struct sysdb_attrs *rule)
+{
+    TALLOC_CTX *tmp_ctx;
+    const char **users = NULL;
+    const char *lowered = NULL;
+    errno_t ret;
+
+    if (domain->case_sensitive == true || rule == NULL) {
+        return EOK;
+    }
+
+    tmp_ctx = talloc_new(NULL);
+    if (tmp_ctx == NULL) {
+        return ENOMEM;
+    }
+
+    ret = sysdb_attrs_get_string_array(rule, SYSDB_SUDO_CACHE_AT_USER, tmp_ctx,
+                                       &users);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_OP_FAILURE, "Unable to get %s attribute [%d]: %s\n",
+                SYSDB_SUDO_CACHE_AT_USER, ret, strerror(ret));
+        goto done;
+    }
+    if (users == NULL) {
+        return EOK;
+    }
+
+    for (int i = 0; users[i] != NULL; i++) {
+        lowered = sss_tc_utf8_str_tolower(tmp_ctx, users[i]);
+        if (lowered == NULL || strcmp(users[i], lowered) == 0) {
+            continue;
+        }
+
+        ret = sysdb_attrs_add_string(rule, SYSDB_SUDO_CACHE_AT_USER, lowered);
+        if (ret != EOK) {
+            DEBUG(SSSDBG_OP_FAILURE,
+                  "Unable to add %s attribute [%d]: %s\n",
+                  SYSDB_SUDO_CACHE_AT_USER, ret, strerror(ret));
+            goto done;
+        }
+    }
+
+    ret = EOK;
+
+done:
+    talloc_zfree(tmp_ctx);
+    return ret;
+}
+
 static errno_t
 sysdb_sudo_store_rule(struct sss_domain_info *domain,
                       struct sysdb_attrs *rule,
@@ -868,6 +918,11 @@ sysdb_sudo_store_rule(struct sss_domain_info *domain,
 
     DEBUG(SSSDBG_TRACE_FUNC, "Adding sudo rule %s\n", name);
 
+    ret = sysdb_sudo_add_lowered_users(domain, rule);
+    if (ret != EOK) {
+        return ret;
+    }
+
     ret = sysdb_sudo_add_sss_attrs(rule, name, cache_timeout, now);
     if (ret != EOK) {
         return ret;

From 271beb4f2d273bf883f7a2814126819bc9599dc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20=C4=8Cech?= <pc...@redhat.com>
Date: Thu, 13 Oct 2016 09:31:52 +0200
Subject: [PATCH 2/2] TESTS: Extending sysdb sudo store tests

We covered diference between case sensitive and case insensitive
domains. If domain is case insensitive we add lower case form of
sudoUser to local sysdb cache.

Resolves:
https://fedorahosted.org/sssd/ticket/3203
---
 src/tests/cmocka/test_sysdb_sudo.c | 178 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 177 insertions(+), 1 deletion(-)

diff --git a/src/tests/cmocka/test_sysdb_sudo.c b/src/tests/cmocka/test_sysdb_sudo.c
index 889de72..18dac33 100644
--- a/src/tests/cmocka/test_sysdb_sudo.c
+++ b/src/tests/cmocka/test_sysdb_sudo.c
@@ -44,7 +44,7 @@ struct test_user {
     const char *name;
     uid_t uid;
     gid_t gid;
-} users[] = { { "test_user1", 1001, 1001 },
+} users[] = { { "test_USER1", 1001, 1001 },
               { "test_user2", 1002, 1002 },
               { "test_user3", 1003, 1003 } };
 
@@ -104,6 +104,29 @@ static void create_rule_attrs(struct sysdb_attrs *rule, int i)
     assert_int_equal(ret, EOK);
 }
 
+static void create_rule_attrs_multiple_sudoUser(struct sysdb_attrs *rule)
+{
+    errno_t ret;
+
+    ret = sysdb_attrs_add_string_safe(rule, SYSDB_SUDO_CACHE_AT_CN,
+                                      rules[0].name);
+    assert_int_equal(ret, EOK);
+
+    ret = sysdb_attrs_add_string_safe(rule, SYSDB_SUDO_CACHE_AT_HOST,
+                                      rules[0].host);
+    assert_int_equal(ret, EOK);
+
+    ret = sysdb_attrs_add_string_safe(rule, SYSDB_SUDO_CACHE_AT_RUNASUSER,
+                                      rules[0].as_user);
+    assert_int_equal(ret, EOK);
+
+    for (int i = 0; i < 3; i++ ) {
+        ret = sysdb_attrs_add_string_safe(rule, SYSDB_SUDO_CACHE_AT_USER,
+                                          users[i].name);
+        assert_int_equal(ret, EOK);
+    }
+}
+
 static int get_stored_rules_count(struct sysdb_test_ctx *test_ctx)
 {
     errno_t ret;
@@ -217,6 +240,153 @@ void test_store_sudo(void **state)
     talloc_zfree(msgs);
 }
 
+void test_store_sudo_case_sensitive(void **state)
+{
+    errno_t ret;
+    char *filter;
+    const char *attrs[] = { SYSDB_SUDO_CACHE_AT_CN, SYSDB_SUDO_CACHE_AT_HOST,
+                            SYSDB_SUDO_CACHE_AT_RUNASUSER,
+                            SYSDB_SUDO_CACHE_AT_USER, NULL };
+    struct ldb_message **msgs = NULL;
+    size_t msgs_count;
+    const char *result;
+    struct ldb_message_element *element;
+    struct sysdb_attrs *rule;
+    struct sysdb_test_ctx *test_ctx = talloc_get_type_abort(*state,
+                                                         struct sysdb_test_ctx);
+    const char *lowered_name = sss_tc_utf8_str_tolower(test_ctx, users[0].name);
+
+    rule = sysdb_new_attrs(test_ctx);
+    assert_non_null(rule);
+    create_rule_attrs_multiple_sudoUser(rule);
+
+    test_ctx->tctx->dom->case_sensitive = true;
+
+    ret = sysdb_sudo_store(test_ctx->tctx->dom, &rule, 1);
+    assert_int_equal(ret, EOK);
+
+    filter = sysdb_sudo_filter_user(test_ctx, users[0].name, NULL, 0);
+    assert_non_null(filter);
+
+    ret = sysdb_search_sudo_rules(test_ctx, test_ctx->tctx->dom, filter,
+                                  attrs, &msgs_count, &msgs);
+    assert_int_equal(ret, EOK);
+
+    assert_int_equal(msgs_count, 1);
+
+    result = ldb_msg_find_attr_as_string(msgs[0], SYSDB_SUDO_CACHE_AT_CN, NULL);
+    assert_non_null(result);
+    assert_string_equal(result, rules[0].name);
+
+    result = ldb_msg_find_attr_as_string(msgs[0], SYSDB_SUDO_CACHE_AT_HOST,
+                                         NULL);
+    assert_non_null(result);
+    assert_string_equal(result, rules[0].host);
+
+    result = ldb_msg_find_attr_as_string(msgs[0], SYSDB_SUDO_CACHE_AT_RUNASUSER,
+                                         NULL);
+    assert_non_null(result);
+    assert_string_equal(result, rules[0].as_user);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         users[0].name);
+    assert_int_equal(ret, 1);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         lowered_name);
+    assert_int_equal(ret, 0);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         users[1].name);
+    assert_int_equal(ret, 1);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         users[2].name);
+    assert_int_equal(ret, 1);
+
+    element = ldb_msg_find_element(msgs[0], SYSDB_SUDO_CACHE_AT_USER);
+    assert_int_equal(element->num_values, 3);
+
+    talloc_zfree(lowered_name);
+    talloc_zfree(rule);
+    talloc_zfree(filter);
+    talloc_zfree(msgs);
+}
+
+void test_store_sudo_case_insensitive(void **state)
+{
+    errno_t ret;
+    char *filter;
+    const char *attrs[] = { SYSDB_SUDO_CACHE_AT_CN, SYSDB_SUDO_CACHE_AT_HOST,
+                            SYSDB_SUDO_CACHE_AT_RUNASUSER,
+                            SYSDB_SUDO_CACHE_AT_USER, NULL };
+    struct ldb_message **msgs = NULL;
+    size_t msgs_count;
+    const char *result;
+    struct ldb_message_element *element;
+    struct sysdb_attrs *rule;
+    struct sysdb_test_ctx *test_ctx = talloc_get_type_abort(*state,
+                                                         struct sysdb_test_ctx);
+    const char *lowered_name = sss_tc_utf8_str_tolower(test_ctx, users[0].name);
+
+    rule = sysdb_new_attrs(test_ctx);
+    assert_non_null(rule);
+    create_rule_attrs_multiple_sudoUser(rule);
+
+    test_ctx->tctx->dom->case_sensitive = false;
+
+    ret = sysdb_sudo_store(test_ctx->tctx->dom, &rule, 1);
+    assert_int_equal(ret, EOK);
+
+    filter = sysdb_sudo_filter_user(test_ctx, users[0].name, NULL, 0);
+    assert_non_null(filter);
+
+    ret = sysdb_search_sudo_rules(test_ctx, test_ctx->tctx->dom, filter,
+                                  attrs, &msgs_count, &msgs);
+    assert_int_equal(ret, EOK);
+
+    assert_int_equal(msgs_count, 1);
+
+    result = ldb_msg_find_attr_as_string(msgs[0], SYSDB_SUDO_CACHE_AT_CN, NULL);
+    assert_non_null(result);
+    assert_string_equal(result, rules[0].name);
+
+    result = ldb_msg_find_attr_as_string(msgs[0], SYSDB_SUDO_CACHE_AT_HOST,
+                                         NULL);
+    assert_non_null(result);
+    assert_string_equal(result, rules[0].host);
+
+    result = ldb_msg_find_attr_as_string(msgs[0], SYSDB_SUDO_CACHE_AT_RUNASUSER,
+                                         NULL);
+    assert_non_null(result);
+    assert_string_equal(result, rules[0].as_user);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         users[0].name);
+    assert_int_equal(ret, 1);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         lowered_name);
+    assert_int_equal(ret, 1);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         users[1].name);
+    assert_int_equal(ret, 1);
+
+    ret = ldb_msg_check_string_attribute(msgs[0], SYSDB_SUDO_CACHE_AT_USER,
+				                         users[2].name);
+    assert_int_equal(ret, 1);
+
+    /* test there is no duplication of lowercase forms */
+    element = ldb_msg_find_element(msgs[0], SYSDB_SUDO_CACHE_AT_USER);
+    assert_int_equal(element->num_values, 4);
+
+    talloc_zfree(lowered_name);
+    talloc_zfree(rule);
+    talloc_zfree(filter);
+    talloc_zfree(msgs);
+}
+
 void test_sudo_purge_by_filter(void **state)
 {
     errno_t ret;
@@ -648,6 +818,12 @@ int main(int argc, const char *argv[])
         cmocka_unit_test_setup_teardown(test_store_sudo,
                                         test_sysdb_setup,
                                         test_sysdb_teardown),
+        cmocka_unit_test_setup_teardown(test_store_sudo_case_sensitive,
+                                        test_sysdb_setup,
+                                        test_sysdb_teardown),
+        cmocka_unit_test_setup_teardown(test_store_sudo_case_insensitive,
+                                        test_sysdb_setup,
+                                        test_sysdb_teardown),
 
         /* sysdb_sudo_purge() */
         cmocka_unit_test_setup_teardown(test_sudo_purge_by_filter,
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