diff options
Diffstat (limited to 'tests/vb2_secdata_tests.c')
| -rw-r--r-- | tests/vb2_secdata_tests.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/tests/vb2_secdata_tests.c b/tests/vb2_secdata_tests.c new file mode 100644 index 00000000..3451b324 --- /dev/null +++ b/tests/vb2_secdata_tests.c @@ -0,0 +1,103 @@ +/* Copyright (c) 2014 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 firmware 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 "2secdata.h" + +static void test_changed(struct vb2_context *ctx, int changed, const char *why) +{ + if (changed) + TEST_NEQ(ctx->flags & VB2_CONTEXT_SECDATA_CHANGED, 0, why); + else + TEST_EQ(ctx->flags & VB2_CONTEXT_SECDATA_CHANGED, 0, why); + + ctx->flags &= ~VB2_CONTEXT_SECDATA_CHANGED; +}; + +static void secdata_test(void) +{ + uint8_t workbuf[VB2_WORKBUF_RECOMMENDED_SIZE]; + struct vb2_context c = { + .flags = 0, + .workbuf = workbuf, + .workbuf_size = sizeof(workbuf), + }; + struct vb2_secdata *s = (struct vb2_secdata *)c.secdata; + uint32_t v = 1; + + /* Blank data is invalid */ + memset(c.secdata, 0xa6, sizeof(c.secdata)); + TEST_NEQ(vb2_secdata_check_crc(&c), 0, "Check blank CRC"); + TEST_NEQ(vb2_secdata_init(&c), 0, "Init blank CRC"); + + /* Create good data */ + TEST_EQ(vb2_secdata_create(&c), 0, "Create"); + TEST_EQ(vb2_secdata_check_crc(&c), 0, "Check created CRC"); + TEST_EQ(vb2_secdata_init(&c), 0, "Init created CRC"); + test_changed(&c, 1, "Create changes data"); + + /* Now corrupt it */ + c.secdata[2]++; + TEST_NEQ(vb2_secdata_check_crc(&c), 0, "Check invalid CRC"); + TEST_NEQ(vb2_secdata_init(&c), 0, "Init invalid CRC"); + + /* Version 1 didn't have a CRC, so init should reject it */ + vb2_secdata_create(&c); + s->struct_version = 1; + TEST_NEQ(vb2_secdata_init(&c), 0, "Init old version"); + + vb2_secdata_create(&c); + c.flags = 0; + + /* Read/write flags */ + TEST_EQ(vb2_secdata_get(&c, VB2_SECDATA_FLAGS, &v), 0, "Get flags"); + TEST_EQ(v, 0, "Flags created 0"); + test_changed(&c, 0, "Get doesn't change data"); + TEST_EQ(vb2_secdata_set(&c, VB2_SECDATA_FLAGS, 0x12), 0, "Set flags"); + test_changed(&c, 1, "Set changes data"); + TEST_EQ(vb2_secdata_set(&c, VB2_SECDATA_FLAGS, 0x12), 0, "Set flags 2"); + test_changed(&c, 0, "Set again doesn't change data"); + TEST_EQ(vb2_secdata_get(&c, VB2_SECDATA_FLAGS, &v), 0, "Get flags 2"); + TEST_EQ(v, 0x12, "Flags changed"); + TEST_NEQ(vb2_secdata_set(&c, VB2_SECDATA_FLAGS, 0x100), 0, "Bad flags"); + + /* Read/write versions */ + TEST_EQ(vb2_secdata_get(&c, VB2_SECDATA_VERSIONS, &v), + 0, "Get versions"); + TEST_EQ(v, 0, "Versions created 0"); + test_changed(&c, 0, "Get doesn't change data"); + TEST_EQ(vb2_secdata_set(&c, VB2_SECDATA_VERSIONS, 0x123456ff), + 0, "Set versions"); + test_changed(&c, 1, "Set changes data"); + TEST_EQ(vb2_secdata_set(&c, VB2_SECDATA_VERSIONS, 0x123456ff), + 0, "Set versions 2"); + test_changed(&c, 0, "Set again doesn't change data"); + TEST_EQ(vb2_secdata_get(&c, VB2_SECDATA_VERSIONS, &v), 0, + "Get versions 2"); + TEST_EQ(v, 0x123456ff, "Versions changed"); + + /* Invalid field fails */ + TEST_NEQ(vb2_secdata_get(&c, -1, &v), 0, "Get invalid"); + TEST_NEQ(vb2_secdata_set(&c, -1, 456), 0, "Set invalid"); + test_changed(&c, 0, "Set invalid field doesn't change data"); +} + +int main(int argc, char* argv[]) +{ + secdata_test(); + + return gTestSuccess ? 0 : 255; +} |