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credentials: Add test coverage for groups

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Signed-off-by: Simon McVittie <smcv@collabora.com>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=103737
Reviewed-by: Philip Withnall <withnall@endlessm.com>
This commit is contained in:
Simon McVittie 2018-01-16 13:16:23 +00:00
parent b6648ca655
commit 5efe081fd4
1 changed files with 83 additions and 7 deletions
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90
dbus/dbus-credentials-util.c
View file

@ -41,9 +41,28 @@
static DBusCredentials*
make_credentials(dbus_uid_t unix_uid,
dbus_pid_t pid,
int group_vector,
const char *windows_sid)
{
DBusCredentials *credentials;
static const struct
{
size_t n;
const dbus_gid_t gids[4];
}
group_vectors[] =
{
{ 4, { 1000, 42, 123, 5678 } },
{ 2, { 23, 1001 } },
{ 4, { 5678, 123, 42, 1000 } }
};
/*
* group_vector is 0 to not add any groups, or n > 0 to add groups from
* group_vectors[n-1].
*/
_dbus_assert (group_vector >= 0);
_dbus_assert (group_vector <= _DBUS_N_ELEMENTS (group_vectors));
credentials = _dbus_credentials_new ();
@ -65,6 +84,25 @@ make_credentials(dbus_uid_t unix_uid,
}
}
if (group_vector)
{
dbus_gid_t *copy;
copy = dbus_new0 (dbus_gid_t, group_vectors[group_vector - 1].n);
if (copy == NULL)
{
_dbus_credentials_unref (credentials);
return NULL;
}
memcpy (copy, group_vectors[group_vector - 1].gids,
sizeof (dbus_gid_t) * group_vectors[group_vector - 1].n);
_dbus_credentials_take_unix_gids (credentials, copy,
group_vectors[group_vector - 1].n);
}
if (windows_sid != NULL)
{
if (!_dbus_credentials_add_windows_sid (credentials, windows_sid))
@ -85,11 +123,14 @@ _dbus_credentials_test (const char *test_data_dir)
{
DBusCredentials *creds;
DBusCredentials *creds2;
DBusString str;
const dbus_gid_t *gids;
size_t n;
if (test_data_dir == NULL)
return TRUE;
creds = make_credentials (12, 511, SAMPLE_SID);
creds = make_credentials (12, 511, 1, SAMPLE_SID);
if (creds == NULL)
_dbus_test_fatal ("oom");
@ -99,11 +140,18 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_USER_ID));
_dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
_dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_GROUP_IDS));
_dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_WINDOWS_SID));
_dbus_assert (_dbus_credentials_get_unix_uid (creds) == 12);
_dbus_assert (_dbus_credentials_get_pid (creds) == 511);
_dbus_assert (strcmp (_dbus_credentials_get_windows_sid (creds), SAMPLE_SID) == 0);
_dbus_assert (_dbus_credentials_get_unix_gids (creds, &gids, &n));
_dbus_assert (n == 4);
_dbus_assert (gids[0] == 42);
_dbus_assert (gids[1] == 123);
_dbus_assert (gids[2] == 1000);
_dbus_assert (gids[3] == 5678);
_dbus_assert (!_dbus_credentials_are_empty (creds));
_dbus_assert (!_dbus_credentials_are_anonymous (creds));
@ -115,18 +163,25 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_UNIX_USER_ID));
_dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
_dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_UNIX_GROUP_IDS));
_dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_WINDOWS_SID));
_dbus_assert (_dbus_credentials_get_unix_uid (creds2) == 12);
_dbus_assert (_dbus_credentials_get_pid (creds2) == 511);
_dbus_assert (strcmp (_dbus_credentials_get_windows_sid (creds2), SAMPLE_SID) == 0);
_dbus_assert (_dbus_credentials_get_unix_gids (creds2, &gids, &n));
_dbus_assert (n == 4);
_dbus_assert (gids[0] == 42);
_dbus_assert (gids[1] == 123);
_dbus_assert (gids[2] == 1000);
_dbus_assert (gids[3] == 5678);
_dbus_assert (_dbus_credentials_are_superset (creds, creds2));
_dbus_credentials_unref (creds2);
/* Same user if both unix and windows are the same */
creds2 = make_credentials (12, DBUS_PID_UNSET, SAMPLE_SID);
creds2 = make_credentials (12, DBUS_PID_UNSET, 0, SAMPLE_SID);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
@ -135,7 +190,7 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_credentials_unref (creds2);
/* Not the same user if Windows is missing */
creds2 = make_credentials (12, DBUS_PID_UNSET, NULL);
creds2 = make_credentials (12, DBUS_PID_UNSET, 0, NULL);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
@ -145,7 +200,7 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_credentials_unref (creds2);
/* Not the same user if Windows is different */
creds2 = make_credentials (12, DBUS_PID_UNSET, OTHER_SAMPLE_SID);
creds2 = make_credentials (12, DBUS_PID_UNSET, 0, OTHER_SAMPLE_SID);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
@ -155,7 +210,7 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_credentials_unref (creds2);
/* Not the same user if Unix is missing */
creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, SAMPLE_SID);
creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, 0, SAMPLE_SID);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
@ -165,7 +220,7 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_credentials_unref (creds2);
/* Not the same user if Unix is different */
creds2 = make_credentials (15, DBUS_PID_UNSET, SAMPLE_SID);
creds2 = make_credentials (15, DBUS_PID_UNSET, 0, SAMPLE_SID);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
@ -175,7 +230,7 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_credentials_unref (creds2);
/* Not the same user if both are missing */
creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, NULL);
creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, 0, NULL);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
@ -184,6 +239,27 @@ _dbus_credentials_test (const char *test_data_dir)
_dbus_credentials_unref (creds2);
/* Same user, but not a superset, if groups are different */
creds2 = make_credentials (12, 511, 2, SAMPLE_SID);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
_dbus_assert (_dbus_credentials_same_user (creds, creds2));
_dbus_assert (!_dbus_credentials_are_superset (creds, creds2));
_dbus_credentials_unref (creds2);
/* Groups being in the same order make no difference */
creds2 = make_credentials (12, 511, 3, SAMPLE_SID);
if (creds2 == NULL)
_dbus_test_fatal ("oom");
_dbus_assert (_dbus_credentials_same_user (creds, creds2));
_dbus_assert (_dbus_credentials_are_superset (creds, creds2));
_dbus_assert (_dbus_credentials_are_superset (creds2, creds));
_dbus_credentials_unref (creds2);
/* Clearing credentials works */
_dbus_credentials_clear (creds);