| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * KUnit tests for AppArmor's policy unpack. |
| */ |
| |
| #include <kunit/test.h> |
| |
| #include "include/policy.h" |
| #include "include/policy_unpack.h" |
| |
| #define TEST_STRING_NAME "TEST_STRING" |
| #define TEST_STRING_DATA "testing" |
| #define TEST_STRING_BUF_OFFSET \ |
| (3 + strlen(TEST_STRING_NAME) + 1) |
| |
| #define TEST_U32_NAME "U32_TEST" |
| #define TEST_U32_DATA ((u32)0x01020304) |
| #define TEST_NAMED_U32_BUF_OFFSET \ |
| (TEST_STRING_BUF_OFFSET + 3 + strlen(TEST_STRING_DATA) + 1) |
| #define TEST_U32_BUF_OFFSET \ |
| (TEST_NAMED_U32_BUF_OFFSET + 3 + strlen(TEST_U32_NAME) + 1) |
| |
| #define TEST_U16_OFFSET (TEST_U32_BUF_OFFSET + 3) |
| #define TEST_U16_DATA ((u16)(TEST_U32_DATA >> 16)) |
| |
| #define TEST_U64_NAME "U64_TEST" |
| #define TEST_U64_DATA ((u64)0x0102030405060708) |
| #define TEST_NAMED_U64_BUF_OFFSET (TEST_U32_BUF_OFFSET + sizeof(u32) + 1) |
| #define TEST_U64_BUF_OFFSET \ |
| (TEST_NAMED_U64_BUF_OFFSET + 3 + strlen(TEST_U64_NAME) + 1) |
| |
| #define TEST_BLOB_NAME "BLOB_TEST" |
| #define TEST_BLOB_DATA "\xde\xad\x00\xbe\xef" |
| #define TEST_BLOB_DATA_SIZE (ARRAY_SIZE(TEST_BLOB_DATA)) |
| #define TEST_NAMED_BLOB_BUF_OFFSET (TEST_U64_BUF_OFFSET + sizeof(u64) + 1) |
| #define TEST_BLOB_BUF_OFFSET \ |
| (TEST_NAMED_BLOB_BUF_OFFSET + 3 + strlen(TEST_BLOB_NAME) + 1) |
| |
| #define TEST_ARRAY_NAME "ARRAY_TEST" |
| #define TEST_ARRAY_SIZE 16 |
| #define TEST_NAMED_ARRAY_BUF_OFFSET \ |
| (TEST_BLOB_BUF_OFFSET + 5 + TEST_BLOB_DATA_SIZE) |
| #define TEST_ARRAY_BUF_OFFSET \ |
| (TEST_NAMED_ARRAY_BUF_OFFSET + 3 + strlen(TEST_ARRAY_NAME) + 1) |
| |
| struct policy_unpack_fixture { |
| struct aa_ext *e; |
| size_t e_size; |
| }; |
| |
| struct aa_ext *build_aa_ext_struct(struct policy_unpack_fixture *puf, |
| struct kunit *test, size_t buf_size) |
| { |
| char *buf; |
| struct aa_ext *e; |
| |
| buf = kunit_kzalloc(test, buf_size, GFP_USER); |
| KUNIT_EXPECT_NOT_ERR_OR_NULL(test, buf); |
| |
| e = kunit_kmalloc(test, sizeof(*e), GFP_USER); |
| KUNIT_EXPECT_NOT_ERR_OR_NULL(test, e); |
| |
| e->start = buf; |
| e->end = e->start + buf_size; |
| e->pos = e->start; |
| |
| *buf = AA_NAME; |
| *(buf + 1) = strlen(TEST_STRING_NAME) + 1; |
| strcpy(buf + 3, TEST_STRING_NAME); |
| |
| buf = e->start + TEST_STRING_BUF_OFFSET; |
| *buf = AA_STRING; |
| *(buf + 1) = strlen(TEST_STRING_DATA) + 1; |
| strcpy(buf + 3, TEST_STRING_DATA); |
| |
| buf = e->start + TEST_NAMED_U32_BUF_OFFSET; |
| *buf = AA_NAME; |
| *(buf + 1) = strlen(TEST_U32_NAME) + 1; |
| strcpy(buf + 3, TEST_U32_NAME); |
| *(buf + 3 + strlen(TEST_U32_NAME) + 1) = AA_U32; |
| *((u32 *)(buf + 3 + strlen(TEST_U32_NAME) + 2)) = TEST_U32_DATA; |
| |
| buf = e->start + TEST_NAMED_U64_BUF_OFFSET; |
| *buf = AA_NAME; |
| *(buf + 1) = strlen(TEST_U64_NAME) + 1; |
| strcpy(buf + 3, TEST_U64_NAME); |
| *(buf + 3 + strlen(TEST_U64_NAME) + 1) = AA_U64; |
| *((u64 *)(buf + 3 + strlen(TEST_U64_NAME) + 2)) = TEST_U64_DATA; |
| |
| buf = e->start + TEST_NAMED_BLOB_BUF_OFFSET; |
| *buf = AA_NAME; |
| *(buf + 1) = strlen(TEST_BLOB_NAME) + 1; |
| strcpy(buf + 3, TEST_BLOB_NAME); |
| *(buf + 3 + strlen(TEST_BLOB_NAME) + 1) = AA_BLOB; |
| *(buf + 3 + strlen(TEST_BLOB_NAME) + 2) = TEST_BLOB_DATA_SIZE; |
| memcpy(buf + 3 + strlen(TEST_BLOB_NAME) + 6, |
| TEST_BLOB_DATA, TEST_BLOB_DATA_SIZE); |
| |
| buf = e->start + TEST_NAMED_ARRAY_BUF_OFFSET; |
| *buf = AA_NAME; |
| *(buf + 1) = strlen(TEST_ARRAY_NAME) + 1; |
| strcpy(buf + 3, TEST_ARRAY_NAME); |
| *(buf + 3 + strlen(TEST_ARRAY_NAME) + 1) = AA_ARRAY; |
| *((u16 *)(buf + 3 + strlen(TEST_ARRAY_NAME) + 2)) = TEST_ARRAY_SIZE; |
| |
| return e; |
| } |
| |
| static int policy_unpack_test_init(struct kunit *test) |
| { |
| size_t e_size = TEST_ARRAY_BUF_OFFSET + sizeof(u16) + 1; |
| struct policy_unpack_fixture *puf; |
| |
| puf = kunit_kmalloc(test, sizeof(*puf), GFP_USER); |
| KUNIT_EXPECT_NOT_ERR_OR_NULL(test, puf); |
| |
| puf->e_size = e_size; |
| puf->e = build_aa_ext_struct(puf, test, e_size); |
| |
| test->priv = puf; |
| return 0; |
| } |
| |
| static void policy_unpack_test_inbounds_when_inbounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| |
| KUNIT_EXPECT_TRUE(test, inbounds(puf->e, 0)); |
| KUNIT_EXPECT_TRUE(test, inbounds(puf->e, puf->e_size / 2)); |
| KUNIT_EXPECT_TRUE(test, inbounds(puf->e, puf->e_size)); |
| } |
| |
| static void policy_unpack_test_inbounds_when_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| |
| KUNIT_EXPECT_FALSE(test, inbounds(puf->e, puf->e_size + 1)); |
| } |
| |
| static void policy_unpack_test_unpack_array_with_null_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| u16 array_size; |
| |
| puf->e->pos += TEST_ARRAY_BUF_OFFSET; |
| |
| array_size = unpack_array(puf->e, NULL); |
| |
| KUNIT_EXPECT_EQ(test, array_size, (u16)TEST_ARRAY_SIZE); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_ARRAY_BUF_OFFSET + sizeof(u16) + 1); |
| } |
| |
| static void policy_unpack_test_unpack_array_with_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char name[] = TEST_ARRAY_NAME; |
| u16 array_size; |
| |
| puf->e->pos += TEST_NAMED_ARRAY_BUF_OFFSET; |
| |
| array_size = unpack_array(puf->e, name); |
| |
| KUNIT_EXPECT_EQ(test, array_size, (u16)TEST_ARRAY_SIZE); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_ARRAY_BUF_OFFSET + sizeof(u16) + 1); |
| } |
| |
| static void policy_unpack_test_unpack_array_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char name[] = TEST_ARRAY_NAME; |
| u16 array_size; |
| |
| puf->e->pos += TEST_NAMED_ARRAY_BUF_OFFSET; |
| puf->e->end = puf->e->start + TEST_ARRAY_BUF_OFFSET + sizeof(u16); |
| |
| array_size = unpack_array(puf->e, name); |
| |
| KUNIT_EXPECT_EQ(test, array_size, 0); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_NAMED_ARRAY_BUF_OFFSET); |
| } |
| |
| static void policy_unpack_test_unpack_blob_with_null_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *blob = NULL; |
| size_t size; |
| |
| puf->e->pos += TEST_BLOB_BUF_OFFSET; |
| size = unpack_blob(puf->e, &blob, NULL); |
| |
| KUNIT_ASSERT_EQ(test, size, TEST_BLOB_DATA_SIZE); |
| KUNIT_EXPECT_TRUE(test, |
| memcmp(blob, TEST_BLOB_DATA, TEST_BLOB_DATA_SIZE) == 0); |
| } |
| |
| static void policy_unpack_test_unpack_blob_with_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *blob = NULL; |
| size_t size; |
| |
| puf->e->pos += TEST_NAMED_BLOB_BUF_OFFSET; |
| size = unpack_blob(puf->e, &blob, TEST_BLOB_NAME); |
| |
| KUNIT_ASSERT_EQ(test, size, TEST_BLOB_DATA_SIZE); |
| KUNIT_EXPECT_TRUE(test, |
| memcmp(blob, TEST_BLOB_DATA, TEST_BLOB_DATA_SIZE) == 0); |
| } |
| |
| static void policy_unpack_test_unpack_blob_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *blob = NULL; |
| void *start; |
| int size; |
| |
| puf->e->pos += TEST_NAMED_BLOB_BUF_OFFSET; |
| start = puf->e->pos; |
| puf->e->end = puf->e->start + TEST_BLOB_BUF_OFFSET |
| + TEST_BLOB_DATA_SIZE - 1; |
| |
| size = unpack_blob(puf->e, &blob, TEST_BLOB_NAME); |
| |
| KUNIT_EXPECT_EQ(test, size, 0); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, start); |
| } |
| |
| static void policy_unpack_test_unpack_str_with_null_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char *string = NULL; |
| size_t size; |
| |
| puf->e->pos += TEST_STRING_BUF_OFFSET; |
| size = unpack_str(puf->e, &string, NULL); |
| |
| KUNIT_EXPECT_EQ(test, size, strlen(TEST_STRING_DATA) + 1); |
| KUNIT_EXPECT_STREQ(test, string, TEST_STRING_DATA); |
| } |
| |
| static void policy_unpack_test_unpack_str_with_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char *string = NULL; |
| size_t size; |
| |
| size = unpack_str(puf->e, &string, TEST_STRING_NAME); |
| |
| KUNIT_EXPECT_EQ(test, size, strlen(TEST_STRING_DATA) + 1); |
| KUNIT_EXPECT_STREQ(test, string, TEST_STRING_DATA); |
| } |
| |
| static void policy_unpack_test_unpack_str_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char *string = NULL; |
| void *start = puf->e->pos; |
| int size; |
| |
| puf->e->end = puf->e->pos + TEST_STRING_BUF_OFFSET |
| + strlen(TEST_STRING_DATA) - 1; |
| |
| size = unpack_str(puf->e, &string, TEST_STRING_NAME); |
| |
| KUNIT_EXPECT_EQ(test, size, 0); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, start); |
| } |
| |
| static void policy_unpack_test_unpack_strdup_with_null_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *string = NULL; |
| size_t size; |
| |
| puf->e->pos += TEST_STRING_BUF_OFFSET; |
| size = unpack_strdup(puf->e, &string, NULL); |
| |
| KUNIT_EXPECT_EQ(test, size, strlen(TEST_STRING_DATA) + 1); |
| KUNIT_EXPECT_FALSE(test, |
| ((uintptr_t)puf->e->start <= (uintptr_t)string) |
| && ((uintptr_t)string <= (uintptr_t)puf->e->end)); |
| KUNIT_EXPECT_STREQ(test, string, TEST_STRING_DATA); |
| } |
| |
| static void policy_unpack_test_unpack_strdup_with_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *string = NULL; |
| size_t size; |
| |
| size = unpack_strdup(puf->e, &string, TEST_STRING_NAME); |
| |
| KUNIT_EXPECT_EQ(test, size, strlen(TEST_STRING_DATA) + 1); |
| KUNIT_EXPECT_FALSE(test, |
| ((uintptr_t)puf->e->start <= (uintptr_t)string) |
| && ((uintptr_t)string <= (uintptr_t)puf->e->end)); |
| KUNIT_EXPECT_STREQ(test, string, TEST_STRING_DATA); |
| } |
| |
| static void policy_unpack_test_unpack_strdup_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| void *start = puf->e->pos; |
| char *string = NULL; |
| int size; |
| |
| puf->e->end = puf->e->pos + TEST_STRING_BUF_OFFSET |
| + strlen(TEST_STRING_DATA) - 1; |
| |
| size = unpack_strdup(puf->e, &string, TEST_STRING_NAME); |
| |
| KUNIT_EXPECT_EQ(test, size, 0); |
| KUNIT_EXPECT_NULL(test, string); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, start); |
| } |
| |
| static void policy_unpack_test_unpack_nameX_with_null_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| bool success; |
| |
| puf->e->pos += TEST_U32_BUF_OFFSET; |
| |
| success = unpack_nameX(puf->e, AA_U32, NULL); |
| |
| KUNIT_EXPECT_TRUE(test, success); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_U32_BUF_OFFSET + 1); |
| } |
| |
| static void policy_unpack_test_unpack_nameX_with_wrong_code(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| bool success; |
| |
| puf->e->pos += TEST_U32_BUF_OFFSET; |
| |
| success = unpack_nameX(puf->e, AA_BLOB, NULL); |
| |
| KUNIT_EXPECT_FALSE(test, success); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_U32_BUF_OFFSET); |
| } |
| |
| static void policy_unpack_test_unpack_nameX_with_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char name[] = TEST_U32_NAME; |
| bool success; |
| |
| puf->e->pos += TEST_NAMED_U32_BUF_OFFSET; |
| |
| success = unpack_nameX(puf->e, AA_U32, name); |
| |
| KUNIT_EXPECT_TRUE(test, success); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_U32_BUF_OFFSET + 1); |
| } |
| |
| static void policy_unpack_test_unpack_nameX_with_wrong_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| static const char name[] = "12345678"; |
| bool success; |
| |
| puf->e->pos += TEST_NAMED_U32_BUF_OFFSET; |
| |
| success = unpack_nameX(puf->e, AA_U32, name); |
| |
| KUNIT_EXPECT_FALSE(test, success); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_NAMED_U32_BUF_OFFSET); |
| } |
| |
| static void policy_unpack_test_unpack_u16_chunk_basic(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *chunk = NULL; |
| size_t size; |
| |
| puf->e->pos += TEST_U16_OFFSET; |
| /* |
| * WARNING: For unit testing purposes, we're pushing puf->e->end past |
| * the end of the allocated memory. Doing anything other than comparing |
| * memory addresses is dangerous. |
| */ |
| puf->e->end += TEST_U16_DATA; |
| |
| size = unpack_u16_chunk(puf->e, &chunk); |
| |
| KUNIT_EXPECT_PTR_EQ(test, chunk, |
| puf->e->start + TEST_U16_OFFSET + 2); |
| KUNIT_EXPECT_EQ(test, size, TEST_U16_DATA); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, (chunk + TEST_U16_DATA)); |
| } |
| |
| static void policy_unpack_test_unpack_u16_chunk_out_of_bounds_1( |
| struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *chunk = NULL; |
| size_t size; |
| |
| puf->e->pos = puf->e->end - 1; |
| |
| size = unpack_u16_chunk(puf->e, &chunk); |
| |
| KUNIT_EXPECT_EQ(test, size, 0); |
| KUNIT_EXPECT_NULL(test, chunk); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, puf->e->end - 1); |
| } |
| |
| static void policy_unpack_test_unpack_u16_chunk_out_of_bounds_2( |
| struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| char *chunk = NULL; |
| size_t size; |
| |
| puf->e->pos += TEST_U16_OFFSET; |
| /* |
| * WARNING: For unit testing purposes, we're pushing puf->e->end past |
| * the end of the allocated memory. Doing anything other than comparing |
| * memory addresses is dangerous. |
| */ |
| puf->e->end = puf->e->pos + TEST_U16_DATA - 1; |
| |
| size = unpack_u16_chunk(puf->e, &chunk); |
| |
| KUNIT_EXPECT_EQ(test, size, 0); |
| KUNIT_EXPECT_NULL(test, chunk); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, puf->e->start + TEST_U16_OFFSET); |
| } |
| |
| static void policy_unpack_test_unpack_u32_with_null_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| bool success; |
| u32 data; |
| |
| puf->e->pos += TEST_U32_BUF_OFFSET; |
| |
| success = unpack_u32(puf->e, &data, NULL); |
| |
| KUNIT_EXPECT_TRUE(test, success); |
| KUNIT_EXPECT_EQ(test, data, TEST_U32_DATA); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_U32_BUF_OFFSET + sizeof(u32) + 1); |
| } |
| |
| static void policy_unpack_test_unpack_u32_with_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char name[] = TEST_U32_NAME; |
| bool success; |
| u32 data; |
| |
| puf->e->pos += TEST_NAMED_U32_BUF_OFFSET; |
| |
| success = unpack_u32(puf->e, &data, name); |
| |
| KUNIT_EXPECT_TRUE(test, success); |
| KUNIT_EXPECT_EQ(test, data, TEST_U32_DATA); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_U32_BUF_OFFSET + sizeof(u32) + 1); |
| } |
| |
| static void policy_unpack_test_unpack_u32_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char name[] = TEST_U32_NAME; |
| bool success; |
| u32 data; |
| |
| puf->e->pos += TEST_NAMED_U32_BUF_OFFSET; |
| puf->e->end = puf->e->start + TEST_U32_BUF_OFFSET + sizeof(u32); |
| |
| success = unpack_u32(puf->e, &data, name); |
| |
| KUNIT_EXPECT_FALSE(test, success); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_NAMED_U32_BUF_OFFSET); |
| } |
| |
| static void policy_unpack_test_unpack_u64_with_null_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| bool success; |
| u64 data; |
| |
| puf->e->pos += TEST_U64_BUF_OFFSET; |
| |
| success = unpack_u64(puf->e, &data, NULL); |
| |
| KUNIT_EXPECT_TRUE(test, success); |
| KUNIT_EXPECT_EQ(test, data, TEST_U64_DATA); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_U64_BUF_OFFSET + sizeof(u64) + 1); |
| } |
| |
| static void policy_unpack_test_unpack_u64_with_name(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char name[] = TEST_U64_NAME; |
| bool success; |
| u64 data; |
| |
| puf->e->pos += TEST_NAMED_U64_BUF_OFFSET; |
| |
| success = unpack_u64(puf->e, &data, name); |
| |
| KUNIT_EXPECT_TRUE(test, success); |
| KUNIT_EXPECT_EQ(test, data, TEST_U64_DATA); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_U64_BUF_OFFSET + sizeof(u64) + 1); |
| } |
| |
| static void policy_unpack_test_unpack_u64_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| const char name[] = TEST_U64_NAME; |
| bool success; |
| u64 data; |
| |
| puf->e->pos += TEST_NAMED_U64_BUF_OFFSET; |
| puf->e->end = puf->e->start + TEST_U64_BUF_OFFSET + sizeof(u64); |
| |
| success = unpack_u64(puf->e, &data, name); |
| |
| KUNIT_EXPECT_FALSE(test, success); |
| KUNIT_EXPECT_PTR_EQ(test, puf->e->pos, |
| puf->e->start + TEST_NAMED_U64_BUF_OFFSET); |
| } |
| |
| static void policy_unpack_test_unpack_X_code_match(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| bool success = unpack_X(puf->e, AA_NAME); |
| |
| KUNIT_EXPECT_TRUE(test, success); |
| KUNIT_EXPECT_TRUE(test, puf->e->pos == puf->e->start + 1); |
| } |
| |
| static void policy_unpack_test_unpack_X_code_mismatch(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| bool success = unpack_X(puf->e, AA_STRING); |
| |
| KUNIT_EXPECT_FALSE(test, success); |
| KUNIT_EXPECT_TRUE(test, puf->e->pos == puf->e->start); |
| } |
| |
| static void policy_unpack_test_unpack_X_out_of_bounds(struct kunit *test) |
| { |
| struct policy_unpack_fixture *puf = test->priv; |
| bool success; |
| |
| puf->e->pos = puf->e->end; |
| success = unpack_X(puf->e, AA_NAME); |
| |
| KUNIT_EXPECT_FALSE(test, success); |
| } |
| |
| static struct kunit_case apparmor_policy_unpack_test_cases[] = { |
| KUNIT_CASE(policy_unpack_test_inbounds_when_inbounds), |
| KUNIT_CASE(policy_unpack_test_inbounds_when_out_of_bounds), |
| KUNIT_CASE(policy_unpack_test_unpack_array_with_null_name), |
| KUNIT_CASE(policy_unpack_test_unpack_array_with_name), |
| KUNIT_CASE(policy_unpack_test_unpack_array_out_of_bounds), |
| KUNIT_CASE(policy_unpack_test_unpack_blob_with_null_name), |
| KUNIT_CASE(policy_unpack_test_unpack_blob_with_name), |
| KUNIT_CASE(policy_unpack_test_unpack_blob_out_of_bounds), |
| KUNIT_CASE(policy_unpack_test_unpack_nameX_with_null_name), |
| KUNIT_CASE(policy_unpack_test_unpack_nameX_with_wrong_code), |
| KUNIT_CASE(policy_unpack_test_unpack_nameX_with_name), |
| KUNIT_CASE(policy_unpack_test_unpack_nameX_with_wrong_name), |
| KUNIT_CASE(policy_unpack_test_unpack_str_with_null_name), |
| KUNIT_CASE(policy_unpack_test_unpack_str_with_name), |
| KUNIT_CASE(policy_unpack_test_unpack_str_out_of_bounds), |
| KUNIT_CASE(policy_unpack_test_unpack_strdup_with_null_name), |
| KUNIT_CASE(policy_unpack_test_unpack_strdup_with_name), |
| KUNIT_CASE(policy_unpack_test_unpack_strdup_out_of_bounds), |
| KUNIT_CASE(policy_unpack_test_unpack_u16_chunk_basic), |
| KUNIT_CASE(policy_unpack_test_unpack_u16_chunk_out_of_bounds_1), |
| KUNIT_CASE(policy_unpack_test_unpack_u16_chunk_out_of_bounds_2), |
| KUNIT_CASE(policy_unpack_test_unpack_u32_with_null_name), |
| KUNIT_CASE(policy_unpack_test_unpack_u32_with_name), |
| KUNIT_CASE(policy_unpack_test_unpack_u32_out_of_bounds), |
| KUNIT_CASE(policy_unpack_test_unpack_u64_with_null_name), |
| KUNIT_CASE(policy_unpack_test_unpack_u64_with_name), |
| KUNIT_CASE(policy_unpack_test_unpack_u64_out_of_bounds), |
| KUNIT_CASE(policy_unpack_test_unpack_X_code_match), |
| KUNIT_CASE(policy_unpack_test_unpack_X_code_mismatch), |
| KUNIT_CASE(policy_unpack_test_unpack_X_out_of_bounds), |
| {}, |
| }; |
| |
| static struct kunit_suite apparmor_policy_unpack_test_module = { |
| .name = "apparmor_policy_unpack", |
| .init = policy_unpack_test_init, |
| .test_cases = apparmor_policy_unpack_test_cases, |
| }; |
| |
| kunit_test_suite(apparmor_policy_unpack_test_module); |