diff options
| -rw-r--r-- | tests/unit/test_filter.c | 138 |
1 files changed, 110 insertions, 28 deletions
diff --git a/tests/unit/test_filter.c b/tests/unit/test_filter.c index 397f6cc..7d693a7 100644 --- a/tests/unit/test_filter.c +++ b/tests/unit/test_filter.c @@ -31,6 +31,7 @@ static int generate_install_filter(struct args_target *at) memcpy(&calls[0].args, &at->args, sizeof(calls[0].args)); size = create_bfp_program(table, filter, 1); + bpf_disasm_all(filter, size); return install_filter(filter, size); } @@ -47,9 +48,9 @@ START_TEST(no_args) } END_TEST -START_TEST(with_getsid) +static void test_with_getsid(enum arg_cmp cmp, int v) { - int id = 12345; + int id = 0x10; at = mmap(NULL, sizeof(struct args_target), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); at->check_fd = false; @@ -57,28 +58,42 @@ START_TEST(with_getsid) set_args_no_check(at); at->args[0].type = U32; at->args[0].value.v32 = id; - at->args[0].cmp = EQ; - at->targs[0] = (void *)(long)id; + at->args[0].cmp = cmp; + if (cmp == EQ) + at->targs[0] = (void *)(long)id; + else + at->targs[0] = (void *)(long)v; at->install_filter = generate_install_filter; setup(); - mock_syscall_target(); +} + +START_TEST(with_getsid) +{ + test_with_getsid(EQ, 0); } END_TEST START_TEST(with_getsid_gt) { - at = mmap(NULL, sizeof(struct args_target), PROT_READ | PROT_WRITE, - MAP_SHARED | MAP_ANONYMOUS, -1, 0); - at->check_fd = false; - at->nr = __NR_getsid; - set_args_no_check(at); - at->args[0].type = U32; - at->args[0].value.v32 = 0x1; - at->args[0].cmp = GT; - at->targs[0] = (void *)(long)0x10; - at->install_filter = generate_install_filter; - setup(); - mock_syscall_target(); + test_with_getsid(GT, 0x100); +} +END_TEST + +START_TEST(with_getsid_lt) +{ + test_with_getsid(LE, 0x1); +} +END_TEST + +START_TEST(with_getsid_ge) +{ + test_with_getsid(GE, 0x10); +} +END_TEST + +START_TEST(with_getsid_le) +{ + test_with_getsid(LE, 0x10); } END_TEST @@ -115,7 +130,7 @@ static int target_lseek() return target(); } -static void test_lseek(off_t offset) +static void test_lseek(enum arg_cmp cmp, off_t offset, off_t v) { at = mmap(NULL, sizeof(struct args_target), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); @@ -125,8 +140,11 @@ static void test_lseek(off_t offset) set_args_no_check(at); at->args[1].value.v64 = offset; at->args[1].type = U64; - at->args[1].cmp = EQ; - at->targs[1] = (void *)(long)offset; + at->args[1].cmp = cmp; + if (cmp == EQ) + at->targs[1] = (void *)(long)offset; + else + at->targs[1] = (void *)(long)v; at->install_filter = generate_install_filter; setup(); mock_syscall_target(); @@ -134,13 +152,61 @@ static void test_lseek(off_t offset) START_TEST(with_lseek_lo) { - test_lseek(0x1); + test_lseek(EQ, 0x1, 0); } END_TEST START_TEST(with_lseek_hi) { - test_lseek(0x0000000100000000); + test_lseek(EQ, 0x0000000100000000, 0); +} +END_TEST + +START_TEST(with_lseek_lo_gt) +{ + test_lseek(GT, 0x1, 0x10); +} +END_TEST + +START_TEST(with_lseek_hi_gt) +{ + test_lseek(GT, 0x100000000, 0x200000000); +} +END_TEST + +START_TEST(with_lseek_lo_lt) +{ + test_lseek(LT, 0x10, 0x1); +} +END_TEST + +START_TEST(with_lseek_hi_lt) +{ + test_lseek(LT, 0x200000000, 0x100000000); +} +END_TEST + +START_TEST(with_lseek_lo_ge) +{ + test_lseek(GE, 0x1, 0x1); +} +END_TEST + +START_TEST(with_lseek_hi_ge) +{ + test_lseek(GE, 0x100000000, 0x100000000); +} +END_TEST + +START_TEST(with_lseek_lo_le) +{ + test_lseek(LE, 0x1, 0x1); +} +END_TEST + +START_TEST(with_lseek_hi_le) +{ + test_lseek(LE, 0x200000000, 0x200000000); } END_TEST @@ -148,7 +214,7 @@ Suite *op_call_suite(void) { Suite *s; int timeout = 30; - TCase *simple, *args32, *args64, *gt32; + TCase *simple, *args32, *args64, *cmp32, *cmp64; s = suite_create("Test filter with target"); @@ -172,11 +238,27 @@ Suite *op_call_suite(void) tcase_add_test(args64, with_lseek_hi); suite_add_tcase(s, args64); - gt32 = tcase_create("with args 32 bit and gt"); - tcase_add_checked_fixture(gt32, NULL, teardown); - tcase_set_timeout(gt32, timeout); - tcase_add_test(gt32, with_getsid_gt); - suite_add_tcase(s, gt32); + cmp32 = tcase_create("with args 32 bit and comparison operations"); + tcase_add_checked_fixture(cmp32, NULL, teardown); + tcase_set_timeout(cmp32, timeout); + tcase_add_test(cmp32, with_getsid_gt); + tcase_add_test(cmp32, with_getsid_lt); + tcase_add_test(cmp32, with_getsid_ge); + tcase_add_test(cmp32, with_getsid_le); + suite_add_tcase(s, cmp32); + + cmp64 = tcase_create("with args 64 bit and comparison operations"); + tcase_add_checked_fixture(cmp64, NULL, teardown); + tcase_set_timeout(cmp64, timeout); + tcase_add_test(cmp64, with_lseek_lo_gt); + tcase_add_test(cmp64, with_lseek_hi_gt); + tcase_add_test(cmp64, with_lseek_lo_lt); + tcase_add_test(cmp64, with_lseek_hi_lt); + tcase_add_test(cmp64, with_lseek_lo_ge); + tcase_add_test(cmp64, with_lseek_hi_ge); + tcase_add_test(cmp64, with_lseek_lo_le); + tcase_add_test(cmp64, with_lseek_hi_le); + suite_add_tcase(s, cmp64); return s; } |