tests/test-authz-listfile.c

   1 /*
   2  * QEMU list authorization object tests
   3  *
   4  * Copyright (c) 2018 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "qemu/main-loop.h"
  23 #include "qemu/module.h"
  24 #include "authz/listfile.h"
  25
  26 static char *workdir;
  27
  28 static gchar *qemu_authz_listfile_test_save(const gchar *name,
  29                                             const gchar *cfg)
  30 {
  31     gchar *path = g_strdup_printf("%s/default-deny.cfg", workdir);
  32     GError *gerr = NULL;
  33
  34     if (!g_file_set_contents(path, cfg, -1, &gerr)) {
  35         g_printerr("Unable to save config %s: %s\n",
  36                    path, gerr->message);
  37         g_error_free(gerr);
  38         g_free(path);
  39         rmdir(workdir);
  40         abort();
  41     }
  42
  43     return path;
  44 }
  45
  46 static void test_authz_default_deny(void)
  47 {
  48     gchar *file = qemu_authz_listfile_test_save(
  49         "default-deny.cfg",
  50         "{ \"policy\": \"deny\" }");
  51     Error *local_err = NULL;
  52
  53     QAuthZListFile *auth = qauthz_list_file_new("auth0",
  54                                                 file, false,
  55                                                 &local_err);
  56     unlink(file);
  57     g_free(file);
  58     g_assert(local_err == NULL);
  59     g_assert(!qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
  60
  61     object_unparent(OBJECT(auth));
  62 }
  63
  64 static void test_authz_default_allow(void)
  65 {
  66     gchar *file = qemu_authz_listfile_test_save(
  67         "default-allow.cfg",
  68         "{ \"policy\": \"allow\" }");
  69     Error *local_err = NULL;
  70
  71     QAuthZListFile *auth = qauthz_list_file_new("auth0",
  72                                                 file, false,
  73                                                 &local_err);
  74     unlink(file);
  75     g_free(file);
  76     g_assert(local_err == NULL);
  77     g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
  78
  79     object_unparent(OBJECT(auth));
  80 }
  81
  82 static void test_authz_explicit_deny(void)
  83 {
  84     gchar *file = qemu_authz_listfile_test_save(
  85         "explicit-deny.cfg",
  86         "{ \"rules\": [ "
  87         "    { \"match\": \"fred\","
  88         "      \"policy\": \"deny\","
  89         "      \"format\": \"exact\" } ],"
  90         "  \"policy\": \"allow\" }");
  91     Error *local_err = NULL;
  92
  93     QAuthZListFile *auth = qauthz_list_file_new("auth0",
  94                                                 file, false,
  95                                                 &local_err);
  96     unlink(file);
  97     g_free(file);
  98     g_assert(local_err == NULL);
  99
 100     g_assert(!qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
 101
 102     object_unparent(OBJECT(auth));
 103 }
 104
 105 static void test_authz_explicit_allow(void)
 106 {
 107     gchar *file = qemu_authz_listfile_test_save(
 108         "explicit-allow.cfg",
 109         "{ \"rules\": [ "
 110         "    { \"match\": \"fred\","
 111         "      \"policy\": \"allow\","
 112         "      \"format\": \"exact\" } ],"
 113         "  \"policy\": \"deny\" }");
 114     Error *local_err = NULL;
 115
 116     QAuthZListFile *auth = qauthz_list_file_new("auth0",
 117                                                 file, false,
 118                                                 &local_err);
 119     unlink(file);
 120     g_free(file);
 121     g_assert(local_err == NULL);
 122
 123     g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
 124
 125     object_unparent(OBJECT(auth));
 126 }
 127
 128
 129 static void test_authz_complex(void)
 130 {
 131     gchar *file = qemu_authz_listfile_test_save(
 132         "complex.cfg",
 133         "{ \"rules\": [ "
 134         "    { \"match\": \"fred\","
 135         "      \"policy\": \"allow\","
 136         "      \"format\": \"exact\" },"
 137         "    { \"match\": \"bob\","
 138         "      \"policy\": \"allow\","
 139         "      \"format\": \"exact\" },"
 140         "    { \"match\": \"dan\","
 141         "      \"policy\": \"deny\","
 142         "      \"format\": \"exact\" },"
 143         "    { \"match\": \"dan*\","
 144         "      \"policy\": \"allow\","
 145         "      \"format\": \"glob\" } ],"
 146         "  \"policy\": \"deny\" }");
 147
 148     Error *local_err = NULL;
 149
 150     QAuthZListFile *auth = qauthz_list_file_new("auth0",
 151                                                 file, false,
 152                                                 &local_err);
 153     unlink(file);
 154     g_free(file);
 155     g_assert(local_err == NULL);
 156
 157     g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
 158     g_assert(qauthz_is_allowed(QAUTHZ(auth), "bob", &error_abort));
 159     g_assert(!qauthz_is_allowed(QAUTHZ(auth), "dan", &error_abort));
 160     g_assert(qauthz_is_allowed(QAUTHZ(auth), "danb", &error_abort));
 161
 162     object_unparent(OBJECT(auth));
 163 }
 164
 165
 166 int main(int argc, char **argv)
 167 {
 168     int ret;
 169     GError *gerr = NULL;
 170
 171     g_test_init(&argc, &argv, NULL);
 172
 173     module_call_init(MODULE_INIT_QOM);
 174
 175     workdir = g_dir_make_tmp("qemu-test-authz-listfile-XXXXXX",
 176                              &gerr);
 177     if (!workdir) {
 178         g_printerr("Unable to create temporary dir: %s\n",
 179                    gerr->message);
 180         g_error_free(gerr);
 181         abort();
 182     }
 183
 184     g_test_add_func("/auth/list/default/deny", test_authz_default_deny);
 185     g_test_add_func("/auth/list/default/allow", test_authz_default_allow);
 186     g_test_add_func("/auth/list/explicit/deny", test_authz_explicit_deny);
 187     g_test_add_func("/auth/list/explicit/allow", test_authz_explicit_allow);
 188     g_test_add_func("/auth/list/complex", test_authz_complex);
 189
 190     ret = g_test_run();
 191
 192     rmdir(workdir);
 193     g_free(workdir);
 194
 195     return ret;
 196 }