bool test_address_filtering(void)
{
struct bib_entry *bib;
struct session_entry *session;
bool success = true;
/* Init. */
bib = create_and_insert_bib(0, 0, IPPROTO_UDP);
if (!bib)
return false;
session = create_and_insert_session(0, 0, 0, 0, bib, IPPROTO_UDP, 12345);
if (!session)
return false;
/* Test the packet is allowed when the tuple and session match perfectly. */
success &= assert_true(test_address_filtering_aux(0, 0, 0, 0), "");
/* Test a tuple that completely mismatches the session. */
success &= assert_false(test_address_filtering_aux(1, 1, 1, 1), "");
/* Now test tuples that nearly match the session. */
success &= assert_false(test_address_filtering_aux(0, 0, 0, 1), "");
success &= assert_false(test_address_filtering_aux(0, 0, 1, 0), "");
/* The remote port is the only one that doesn't matter. */
success &= assert_true(test_address_filtering_aux(0, 1, 0, 0), "");
success &= assert_false(test_address_filtering_aux(1, 0, 0, 0), "");
return true;
}
static bool test_address_filtering(void)
{
struct session_entry *session;
bool success = true;
/* Init. */
session = create_and_insert_session(0, 0, 0, 0);
if (!session)
return false;
/* Test the packet is allowed when the tuple and session match perfectly. */
success &= assert_true(test_address_filtering_aux(0, 0, 0, 0), "lol1");
/* Test a tuple that completely mismatches the session. */
success &= assert_false(test_address_filtering_aux(1, 1, 1, 1), "lol2");
/* Now test tuples that nearly match the session. */
success &= assert_false(test_address_filtering_aux(0, 0, 0, 1), "lol3");
success &= assert_false(test_address_filtering_aux(0, 0, 1, 0), "lol4");
/* The remote port is the only one that doesn't matter. */
success &= assert_true(test_address_filtering_aux(0, 1, 0, 0), "lol5");
success &= assert_false(test_address_filtering_aux(1, 0, 0, 0), "lol6");
/* Now we erase the session entry */
remove(session, &session_table_udp);
session_return(session);
session = NULL;
/* Repeat the "lol5" test but now the assert must be false */
success &= assert_false(test_address_filtering_aux(0, 1, 0, 0), "lol7");
return success;
}
bool test_clean_old_sessions(void)
{
int b, s; /* bib counter, session counter. */
bool success = true;
const unsigned int before = jiffies_to_msecs(jiffies) - 1000;
const unsigned int after = jiffies_to_msecs(jiffies) + 1000;
/* Allocate and insert to the tables. */
for (b = 0; b < BIB_COUNT; b++) {
db_bibs[b] = create_and_insert_bib(b, b, IPPROTO_UDP);
if (!db_bibs[b])
return false;
for (s = 0; s < SESSIONS_PER_BIB; s++) {
db_sessions[b][s] = create_and_insert_session(b, s + 5, b, s + 5, db_bibs[b], IPPROTO_UDP, after);
if (!db_sessions[b][s])
return false;
memcpy(&sessions[b][s], db_sessions[b][s], sizeof(struct session_entry));
}
memcpy(&bibs[b], db_bibs[b], sizeof(struct bib_entry));
}
db_bibs[3]->is_static = true;
/* 1. Nothing has expired: Test nothing gets deleted. */
clean_expired_sessions();
success &= ASSERT_SINGLE_BIB("Clean deletes nothing", 0, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Clean deletes nothing", 1, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Clean deletes nothing", 2, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Clean deletes nothing", 3, true, true, true, true);
if (!success)
return false;
/* 2. All of a single BIB's sessions expire: Test both BIBs and Sessions die. */
db_sessions[1][0]->dying_time = before;
db_sessions[1][1]->dying_time = before;
db_sessions[1][2]->dying_time = before;
clean_expired_sessions();
success &= ASSERT_SINGLE_BIB("Whole BIB dies 0", 0, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Whole BIB dies 1", 1, false, false, false, false);
success &= ASSERT_SINGLE_BIB("Whole BIB dies 2", 2, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Whole BIB dies 3", 3, true, true, true, true);
if (!success)
return false;
/* 3. Some sessions of a BIB expire: Test only those sessions get deleted. */
db_sessions[2][0]->dying_time = before;
db_sessions[2][1]->dying_time = before;
clean_expired_sessions();
success &= ASSERT_SINGLE_BIB("Some sessions die", 0, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Some sessions die", 1, false, false, false, false);
success &= ASSERT_SINGLE_BIB("Some sessions die", 2, true, false, false, true);
success &= ASSERT_SINGLE_BIB("Some sessions die", 3, true, true, true, true);
if (!success)
return false;
/* 4. The rest of them expire: Test the BIB keeps keeps behaving as expected. */
db_sessions[2][2]->dying_time = before;
clean_expired_sessions();
success &= ASSERT_SINGLE_BIB("Last session dies", 0, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Last session dies", 1, false, false, false, false);
success &= ASSERT_SINGLE_BIB("Last session dies", 2, false, false, false, false);
success &= ASSERT_SINGLE_BIB("Last session dies", 3, true, true, true, true);
if (!success)
return false;
/* 5. The sessions of a static BIB expire. Test only the sessions ones die. */
db_sessions[3][0]->dying_time = before;
db_sessions[3][1]->dying_time = before;
db_sessions[3][2]->dying_time = before;
clean_expired_sessions();
success &= ASSERT_SINGLE_BIB("Static session doesn't die", 0, true, true, true, true);
success &= ASSERT_SINGLE_BIB("Static session doesn't die", 1, false, false, false, false);
success &= ASSERT_SINGLE_BIB("Static session doesn't die", 2, false, false, false, false);
success &= ASSERT_SINGLE_BIB("Static session doesn't die", 3, true, false, false, false);
/* Quit. */
return success;
}
