SDAP: Add sdap_copy_map_entry

Reviewed-by: Pavel Reichl <preichl@redhat.com>
(cherry picked from commit 12089241f6a6eabf4f0c95669e5fc2bb3b503c06)

3 files changed, 104 insertions, 0 deletions

diff --git a/src/providers/ldap/sdap.c b/src/providers/ldap/sdap.c
index bae7d02c5..2568bdd1f 100644
--- a/src/providers/ldap/sdap.c
+++ b/src/providers/ldap/sdap.c
@@ -28,6 +28,23 @@
 
 /* =Retrieve-Options====================================================== */
 
+errno_t sdap_copy_map_entry(const struct sdap_attr_map *src_map,
+                            struct sdap_attr_map *dst_map,
+                            int entry_index)
+{
+    if (src_map[entry_index].name != NULL) {
+        dst_map[entry_index].name = talloc_strdup(dst_map,
+                                                  src_map[entry_index].name);
+        if (dst_map[entry_index].name == NULL) {
+            return ENOMEM;
+        }
+    } else {
+        dst_map->name = NULL;
+    }
+
+    return EOK;
+}
+
 int sdap_copy_map(TALLOC_CTX *memctx,
                  struct sdap_attr_map *src_map,
                  int num_entries,
diff --git a/src/providers/ldap/sdap.h b/src/providers/ldap/sdap.h
index d7f6c646e..e7e1b5194 100644
--- a/src/providers/ldap/sdap.h
+++ b/src/providers/ldap/sdap.h
@@ -467,6 +467,10 @@ struct sdap_deref_attrs {
     struct sysdb_attrs *attrs;
 };
 
+errno_t sdap_copy_map_entry(const struct sdap_attr_map *src_map,
+                            struct sdap_attr_map *dst_map,
+                            int entry_index);
+
 int sdap_copy_map(TALLOC_CTX *memctx,
                  struct sdap_attr_map *src_map,
                  int num_entries,
diff --git a/src/tests/cmocka/test_sdap.c b/src/tests/cmocka/test_sdap.c
index a1c9aefd8..dab449050 100644
--- a/src/tests/cmocka/test_sdap.c
+++ b/src/tests/cmocka/test_sdap.c
@@ -720,6 +720,81 @@ void test_parse_no_dn(void **state)
     talloc_free(map);
 }
 
+struct copy_map_entry_test_ctx {
+    struct sdap_attr_map *src_map;
+    struct sdap_attr_map *dst_map;
+};
+
+static int copy_map_entry_test_setup(void **state)
+{
+    int ret;
+    struct copy_map_entry_test_ctx *test_ctx;
+
+    assert_true(leak_check_setup());
+
+    test_ctx = talloc_zero(global_talloc_context,
+                           struct copy_map_entry_test_ctx);
+    assert_non_null(test_ctx);
+
+    ret = sdap_copy_map(test_ctx, rfc2307_user_map,
+                        SDAP_OPTS_USER, &test_ctx->src_map);
+    assert_int_equal(ret, ERR_OK);
+
+    ret = sdap_copy_map(test_ctx, rfc2307_user_map,
+                        SDAP_OPTS_USER, &test_ctx->dst_map);
+    assert_int_equal(ret, ERR_OK);
+
+    check_leaks_push(test_ctx);
+    *state = test_ctx;
+    return 0;
+}
+
+static int copy_map_entry_test_teardown(void **state)
+{
+    struct copy_map_entry_test_ctx *test_ctx = talloc_get_type_abort(*state,
+                                               struct copy_map_entry_test_ctx);
+    assert_true(check_leaks_pop(test_ctx) == true);
+    talloc_free(test_ctx);
+    assert_true(leak_check_teardown());
+    return 0;
+}
+
+static const char *copy_uuid(struct copy_map_entry_test_ctx *test_ctx)
+{
+    errno_t ret;
+
+    assert_null(test_ctx->dst_map[SDAP_AT_USER_UUID].name);
+    ret = sdap_copy_map_entry(test_ctx->src_map, test_ctx->dst_map,
+                              SDAP_AT_USER_UUID);
+    assert_int_equal(ret, EOK);
+    return test_ctx->dst_map[SDAP_AT_USER_UUID].name;
+}
+
+static void test_sdap_copy_map_entry(void **state)
+{
+    struct copy_map_entry_test_ctx *test_ctx = talloc_get_type_abort(*state,
+                                               struct copy_map_entry_test_ctx);
+    const char *uuid_set_val = "test_uuid_val";
+    const char *uuid_val = NULL;
+
+    test_ctx->src_map[SDAP_AT_USER_UUID].name = discard_const(uuid_set_val);
+
+    uuid_val = copy_uuid(test_ctx);
+    assert_non_null(uuid_val);
+    assert_string_equal(uuid_val, uuid_set_val);
+    talloc_free(test_ctx->dst_map[SDAP_AT_USER_UUID].name);
+}
+
+static void test_sdap_copy_map_entry_null_name(void **state)
+{
+    struct copy_map_entry_test_ctx *test_ctx = talloc_get_type_abort(*state,
+                                               struct copy_map_entry_test_ctx);
+    const char *uuid_val = NULL;
+
+    uuid_val = copy_uuid(test_ctx);
+    assert_null(uuid_val);
+}
+
 int main(int argc, const char *argv[])
 {
     poptContext pc;
@@ -765,6 +840,14 @@ int main(int argc, const char *argv[])
         cmocka_unit_test_setup_teardown(test_parse_deref_map_mismatch,
                                         parse_entry_test_setup,
                                         parse_entry_test_teardown),
+
+        /* Map option tests */
+        cmocka_unit_test_setup_teardown(test_sdap_copy_map_entry,
+                                        copy_map_entry_test_setup,
+                                        copy_map_entry_test_teardown),
+        cmocka_unit_test_setup_teardown(test_sdap_copy_map_entry_null_name,
+                                        copy_map_entry_test_setup,
+                                        copy_map_entry_test_teardown),
     };
 
     /* Set debug level to invalid value so we can deside if -d 0 was used. */