diff options
Diffstat (limited to 'tests/unit')
| -rw-r--r-- | tests/unit/Makefile | 10 | ||||
| -rw-r--r-- | tests/unit/test_errors.c | 118 | ||||
| -rw-r--r-- | tests/unit/testutil.h | 2 |
3 files changed, 130 insertions, 0 deletions
diff --git a/tests/unit/Makefile b/tests/unit/Makefile index 202e198..966ae7d 100644 --- a/tests/unit/Makefile +++ b/tests/unit/Makefile @@ -23,6 +23,10 @@ HEADERS_OP := $(COMMON_DIR)/gluten.h $(OP_DIR)/operations.h \ $(COMMON_DIR)/common.h testutil.h $(COMMON_DIR)/util.h SRCS_OP := $(COMMON_DIR)/common.c $(OP_DIR)/operations.c util.c $(COMMON_DIR)/util.c +HEADERS_ERROR := $(COMMON_DIR)/gluten.h $(OP_DIR)/operations.h \ + $(COMMON_DIR)/common.h testutil.h $(COMMON_DIR)/util.h +SRCS_ERROR := $(COMMON_DIR)/common.c $(OP_DIR)/operations.c util.c $(COMMON_DIR)/util.c + TARGET := $(shell $(CC) -dumpmachine) TARGET_ARCH := $(shell echo $(TARGET) | cut -f1 -d- | tr [A-Z] [a-z]) TARGET_ARCH := $(shell echo $(TARGET_ARCH) | sed 's/powerpc/ppc/') @@ -67,5 +71,11 @@ build-operations: test_operations.c $(SRCS_OP) $(HEADERS_OP) test-operations: build-operations ./operations +build-error-checks: test_errors.c $(SRCS_ERROR) $(HEADERS_ERROR) + $(CC) $(CFLAGS) -o error_checks $(SRCS_ERROR) \ + test_errors.c + +test-error-checks: build-error-checks + ./error_checks clean: rm -f operations op-call filter filter-build diff --git a/tests/unit/test_errors.c b/tests/unit/test_errors.c new file mode 100644 index 0000000..d00d42e --- /dev/null +++ b/tests/unit/test_errors.c @@ -0,0 +1,118 @@ +#include <stdio.h> +#include <stdlib.h> +#include <sys/mman.h> +#include <sys/syscall.h> + +#include <check.h> + +#include "operations.h" +#include "common/common.h" +#include "common/gluten.h" +#include "testutil.h" + +static void setup_error_check() +{ + at = mmap(NULL, sizeof(struct args_target), PROT_READ | PROT_WRITE, + MAP_SHARED | MAP_ANONYMOUS, -1, 0); + at->check_fd = false; + at->nr = __NR_getpid; + at->install_filter = install_notification_filter; + setup(); +} + +struct gluten_offset test_max_size_data[] = { + { OFFSET_DATA, DATA_SIZE }, + { OFFSET_RO_DATA, RO_DATA_SIZE }, + { OFFSET_SECCOMP_DATA, 6 }, + { OFFSET_INSTRUCTION, INST_SIZE }, +}; + +START_TEST(test_bound_check) +{ + struct op ops[] = { + { OP_RETURN, { { 0 } } }, + }; + ops[0].op.ret.val.offset = test_max_size_data[_i].offset; + ops[0].op.ret.val.type = test_max_size_data[_i].type; + + eval(&gluten, ops, &req, notifyfd); +} + +START_TEST(test_write_op_return) +{ + struct op ops[] = { + { OP_CALL, + { .call = { .nr = __NR_getpid, + .has_ret = true, + .ret = { OFFSET_DATA, DATA_SIZE - 1 } } } }, + }; + + eval(&gluten, ops, &req, notifyfd); +} + +START_TEST(test_write_op_load) +{ + char a[30]; + struct op ops[] = { + { OP_LOAD, + { .load = { { OFFSET_SECCOMP_DATA, 1 }, + { OFFSET_DATA, DATA_SIZE - 1 }, + sizeof(a) } } }, + }; + + eval(&gluten, ops, &req, notifyfd); +} + +START_TEST(test_read_op_return) +{ + struct op ops[] = { + { OP_RETURN, { { 0 } } }, + }; + ops[0].op.ret.val.offset = test_max_size_data[_i].offset - 1; + ops[0].op.ret.val.type = test_max_size_data[_i].type; + + eval(&gluten, ops, &req, notifyfd); +} + +Suite *error_suite(void) +{ + Suite *s; + TCase *bounds, *gwrite, *gread; + + s = suite_create("Error handling"); + + bounds = tcase_create("bound checks"); + tcase_add_loop_exit_test(bounds, test_bound_check, EXIT_FAILURE, 0, + sizeof(test_max_size_data) / + sizeof(test_max_size_data[0])); + suite_add_tcase(s, bounds); + + gwrite = tcase_create("write gluten"); + tcase_add_checked_fixture(gwrite, setup_error_check, teardown); + tcase_add_exit_test(gwrite, test_write_op_return, EXIT_FAILURE); + tcase_add_exit_test(gwrite, test_write_op_load, EXIT_FAILURE); + suite_add_tcase(s, gwrite); + + gread = tcase_create("read gluten"); + tcase_add_loop_exit_test(gread, test_read_op_return, EXIT_FAILURE, 0, + sizeof(test_max_size_data) / + sizeof(test_max_size_data[0])); + suite_add_tcase(s, gread); + + return s; +} + +int main(void) +{ + int no_failed = 0; + Suite *s; + SRunner *runner; + + s = error_suite(); + runner = srunner_create(s); + + srunner_run_all(runner, CK_VERBOSE); + no_failed = srunner_ntests_failed(runner); + srunner_free(runner); + return (no_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE; +} diff --git a/tests/unit/testutil.h b/tests/unit/testutil.h index 45fe08f..ec881c7 100644 --- a/tests/unit/testutil.h +++ b/tests/unit/testutil.h @@ -20,6 +20,8 @@ static inline void *test_gluten_write_ptr(struct gluten *g, const struct gluten_offset x) { + ck_assert_msg(is_offset_valid(x), "offset out of bounds"); + switch (x.type) { case OFFSET_DATA: return (char *)g->data + x.offset; |