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| // Copyright 2017 syzkaller project authors. All rights reserved.
| // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
|
| #if GOOS_linux && GOARCH_amd64
| #include "test_linux.h"
| #endif
|
| static int test_copyin()
| {
| static uint16 buf[3];
| STORE_BY_BITMASK(uint16, &buf[1], 0x1234, 0, 0);
| unsigned char x[sizeof(buf)];
| memcpy(x, buf, sizeof(x));
| if (x[0] != 0 || x[1] != 0 ||
| x[2] != 0x34 || x[3] != 0x12 ||
| x[4] != 0 || x[5] != 0) {
| printf("bad result of STORE_BY_BITMASK(0, 0): %x %x %x %x %x %x\n",
| x[0], x[1], x[2], x[3], x[4], x[5]);
| return 1;
| }
| STORE_BY_BITMASK(uint16, &buf[1], 0x555a, 5, 4);
| memcpy(x, buf, sizeof(x));
| if (x[0] != 0 || x[1] != 0 ||
| x[2] != 0x54 || x[3] != 0x13 ||
| x[4] != 0 || x[5] != 0) {
| printf("bad result of STORE_BY_BITMASK(7, 3): %x %x %x %x %x %x\n",
| x[0], x[1], x[2], x[3], x[4], x[5]);
| return 1;
| }
| return 0;
| }
|
| static int test_csum_inet()
| {
| struct csum_inet_test {
| const char* data;
| size_t length;
| uint16 csum;
| };
| struct csum_inet_test tests[] = {
| {// 0
| "",
| 0,
| 0xffff},
| {
| // 1
| "\x00",
| 1,
| 0xffff,
| },
| {
| // 2
| "\x00\x00",
| 2,
| 0xffff,
| },
| {
| // 3
| "\x00\x00\xff\xff",
| 4,
| 0x0000,
| },
| {
| // 4
| "\xfc",
| 1,
| 0xff03,
| },
| {
| // 5
| "\xfc\x12",
| 2,
| 0xed03,
| },
| {
| // 6
| "\xfc\x12\x3e",
| 3,
| 0xecc5,
| },
| {
| // 7
| "\xfc\x12\x3e\x00\xc5\xec",
| 6,
| 0x0000,
| },
| {
| // 8
| "\x42\x00\x00\x43\x44\x00\x00\x00\x45\x00\x00\x00\xba\xaa\xbb\xcc\xdd",
| 17,
| 0x43e1,
| },
| {
| // 9
| "\x42\x00\x00\x43\x44\x00\x00\x00\x45\x00\x00\x00\xba\xaa\xbb\xcc\xdd\x00",
| 18,
| 0x43e1,
| },
| {
| // 10
| "\x00\x00\x42\x00\x00\x43\x44\x00\x00\x00\x45\x00\x00\x00\xba\xaa\xbb\xcc\xdd",
| 19,
| 0x43e1,
| },
| {
| // 11
| "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\xab\xcd",
| 15,
| 0x5032,
| },
| {
| // 12
| "\x00\x00\x12\x34\x56\x78",
| 6,
| 0x5397,
| },
| {
| // 13
| "\x00\x00\x12\x34\x00\x00\x56\x78\x00\x06\x00\x04\xab\xcd",
| 14,
| 0x7beb,
| },
| {
| // 14
| "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\xff\xee\xdd\xcc\xbb\xaa\x99\x88\x77\x66\x55\x44\x33\x22\x11\x00\x00\x00\x00\x04\x00\x00\x00\x06\x00\x00\xab\xcd",
| 44,
| 0x2854,
| },
| {
| // 15
| "\x00\x00\x12\x34\x00\x00\x56\x78\x00\x11\x00\x04\xab\xcd",
| 14,
| 0x70eb,
| },
| {
| // 16
| "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\xff\xee\xdd\xcc\xbb\xaa\x99\x88\x77\x66\x55\x44\x33\x22\x11\x00\x00\x00\x00\x04\x00\x00\x00\x11\x00\x00\xab\xcd",
| 44,
| 0x1d54,
| },
| {
| // 17
| "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\xff\xee\xdd\xcc\xbb\xaa\x99\x88\x77\x66\x55\x44\x33\x22\x11\x00\x00\x00\x00\x04\x00\x00\x00\x3a\x00\x00\xab\xcd",
| 44,
| 0xf453,
| }};
|
| for (unsigned i = 0; i < ARRAY_SIZE(tests); i++) {
| struct csum_inet csum;
| csum_inet_init(&csum);
| csum_inet_update(&csum, (const uint8*)tests[i].data, tests[i].length);
| if (csum_inet_digest(&csum) != tests[i].csum) {
| fprintf(stderr, "bad checksum in test #%u, want: %hx, got: %hx\n", i, tests[i].csum, csum_inet_digest(&csum));
| return 1;
| }
| }
|
| return 0;
| }
|
| static int rand_int_range(int start, int end)
| {
| return rand() % (end + 1 - start) + start;
| }
|
| static int test_csum_inet_acc()
| {
| uint8 buffer[128];
|
| int test;
| for (test = 0; test < 256; test++) {
| int size = rand_int_range(1, 128);
| int step = rand_int_range(1, 8) * 2;
|
| int i;
| for (i = 0; i < size; i++)
| buffer[i] = rand_int_range(0, 255);
|
| struct csum_inet csum_acc;
| csum_inet_init(&csum_acc);
|
| for (i = 0; i < size / step; i++)
| csum_inet_update(&csum_acc, &buffer[i * step], step);
| if (size % step != 0)
| csum_inet_update(&csum_acc, &buffer[size - size % step], size % step);
|
| struct csum_inet csum;
| csum_inet_init(&csum);
| csum_inet_update(&csum, &buffer[0], size);
|
| if (csum_inet_digest(&csum_acc) != csum_inet_digest(&csum))
| return 1;
| }
| return 0;
| }
|
| static struct {
| const char* name;
| int (*f)();
| } tests[] = {
| {"test_copyin", test_copyin},
| {"test_csum_inet", test_csum_inet},
| {"test_csum_inet_acc", test_csum_inet_acc},
| #if GOOS_linux && GOARCH_amd64
| {"test_kvm", test_kvm},
| #endif
| };
|
| int run_tests()
| {
| int ret = 0;
| for (size_t i = 0; i < ARRAY_SIZE(tests); i++) {
| const char* name = tests[i].name;
| printf("=== RUN %s\n", name);
| int res = tests[i].f();
| ret |= res > 0;
| const char* strres = res < 0 ? "SKIP" : (res > 0 ? "FAIL" : "OK");
| printf("--- %-4s %s\n", strres, name);
| }
| return ret;
| }
|
|
