diff options
Diffstat (limited to 'tests/vb2_secdatak_tests.c')
| -rw-r--r-- | tests/vb2_secdatak_tests.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/tests/vb2_secdatak_tests.c b/tests/vb2_secdatak_tests.c new file mode 100644 index 00000000..1aa059ed --- /dev/null +++ b/tests/vb2_secdatak_tests.c @@ -0,0 +1,114 @@ +/* Copyright 2015 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Tests for kernel secure storage library. + */ + +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "test_common.h" +#include "vboot_common.h" + +#include "2common.h" +#include "2api.h" +#include "2crc8.h" +#include "2misc.h" +#include "2secdata.h" + +static void test_changed(struct vb2_context *ctx, int changed, const char *why) +{ + if (changed) + TEST_NEQ(ctx->flags & VB2_CONTEXT_SECDATAK_CHANGED, 0, why); + else + TEST_EQ(ctx->flags & VB2_CONTEXT_SECDATAK_CHANGED, 0, why); + + ctx->flags &= ~VB2_CONTEXT_SECDATAK_CHANGED; +}; + +static void secdatak_test(void) +{ + uint8_t workbuf[VB2_WORKBUF_RECOMMENDED_SIZE] + __attribute__ ((aligned (VB2_WORKBUF_ALIGN))); + struct vb2_context c = { + .flags = 0, + .workbuf = workbuf, + .workbuf_size = sizeof(workbuf), + }; + uint32_t v = 1; + + /* Blank data is invalid */ + memset(c.secdatak, 0xa6, sizeof(c.secdatak)); + TEST_EQ(vb2_secdatak_check_crc(&c), + VB2_ERROR_SECDATAK_CRC, "Check blank CRC"); + TEST_EQ(vb2_secdatak_init(&c), + VB2_ERROR_SECDATAK_CRC, "Init blank CRC"); + + /* Create good data */ + TEST_SUCC(vb2_secdatak_create(&c), "Create"); + TEST_SUCC(vb2_secdatak_check_crc(&c), "Check created CRC"); + TEST_SUCC(vb2_secdatak_init(&c), "Init created CRC"); + test_changed(&c, 1, "Create changes data"); + + /* Now corrupt it */ + c.secdatak[2]++; + TEST_EQ(vb2_secdatak_check_crc(&c), + VB2_ERROR_SECDATAK_CRC, "Check invalid CRC"); + TEST_EQ(vb2_secdatak_init(&c), + VB2_ERROR_SECDATAK_CRC, "Init invalid CRC"); + + /* Make sure UID is checked */ + { + struct vb2_secdatak *sec = (struct vb2_secdatak *)c.secdatak; + + vb2_secdatak_create(&c); + sec->uid++; + sec->crc8 = vb2_crc8(sec, offsetof(struct vb2_secdatak, crc8)); + + TEST_EQ(vb2_secdatak_init(&c), VB2_ERROR_SECDATAK_UID, + "Init invalid struct UID"); + } + + /* Read/write versions */ + vb2_secdatak_create(&c); + c.flags = 0; + TEST_SUCC(vb2_secdatak_get(&c, VB2_SECDATAK_VERSIONS, &v), + "Get versions"); + TEST_EQ(v, 0, "Versions created 0"); + test_changed(&c, 0, "Get doesn't change data"); + TEST_SUCC(vb2_secdatak_set(&c, VB2_SECDATAK_VERSIONS, 0x123456ff), + "Set versions"); + test_changed(&c, 1, "Set changes data"); + TEST_SUCC(vb2_secdatak_set(&c, VB2_SECDATAK_VERSIONS, 0x123456ff), + "Set versions 2"); + test_changed(&c, 0, "Set again doesn't change data"); + TEST_SUCC(vb2_secdatak_get(&c, VB2_SECDATAK_VERSIONS, &v), + "Get versions 2"); + TEST_EQ(v, 0x123456ff, "Versions changed"); + + /* Invalid field fails */ + TEST_EQ(vb2_secdatak_get(&c, -1, &v), + VB2_ERROR_SECDATAK_GET_PARAM, "Get invalid"); + TEST_EQ(vb2_secdatak_set(&c, -1, 456), + VB2_ERROR_SECDATAK_SET_PARAM, "Set invalid"); + test_changed(&c, 0, "Set invalid field doesn't change data"); + + /* Read/write uninitialized data fails */ + vb2_get_sd(&c)->status &= ~VB2_SD_STATUS_SECDATAK_INIT; + TEST_EQ(vb2_secdatak_get(&c, VB2_SECDATAK_VERSIONS, &v), + VB2_ERROR_SECDATAK_GET_UNINITIALIZED, "Get uninitialized"); + test_changed(&c, 0, "Get uninitialized doesn't change data"); + TEST_EQ(vb2_secdatak_set(&c, VB2_SECDATAK_VERSIONS, 0x123456ff), + VB2_ERROR_SECDATAK_SET_UNINITIALIZED, "Set uninitialized"); + test_changed(&c, 0, "Set uninitialized doesn't change data"); +} + +int main(int argc, char* argv[]) +{ + secdatak_test(); + + return gTestSuccess ? 0 : 255; +} |