litespeed-quic/tests/test_crypto_gen.c
Dmitri Tikhonov b8fa619567 Release 2.19.0
- [FEATURE] DPLPMTUD support.  IETF connections now search for the
  maximum packet size, improving throughput.
- [DEBUG] Record event in stream history when on_close() is called
  in dtor.
2020-07-29 11:33:52 -04:00

146 lines
3.7 KiB
C

/* Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc. See LICENSE. */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
#include "lsquic.h"
#include "lsquic_types.h"
#include "lsquic_parse.h"
struct test {
int lineno;
const struct parse_funcs *
pf;
uint64_t offset;
size_t avail; /* Space to write stream frame to */
size_t min_sz; /* Minimum size needed to generate CRYPTO
* frame. Any sizes smaller than this
* should fail.
*/
size_t data_sz;
char data[0x100];
/* Output. This is how we expect the resulting frame to look.
*/
int len; /* Return value of pf_gen_crypto_frame() */
char out[0x100];
};
static const struct test tests[] = {
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.offset = 0,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
{ /* Type */ 0x06,
/* Offset */ 0x00,
/* Size */ 0x0A,
/* Data */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 1 + 1 + 10,
.min_sz = 1 + 1 + 1 + 1,
},
{ .lineno = __LINE__,
.pf = select_pf_by_ver(LSQVER_ID27),
.offset = 500,
.data_sz = 10,
.data = "0123456789",
.avail = 0x100,
.out =
{ /* Type */ 0x06,
/* Offset */ 0x41, 0xF4,
/* Size */ 0x0A,
/* Data */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
},
.len = 1 + 2 + 1 + 10,
.min_sz = 1 + 2 + 1 + 1,
},
};
struct test_ctx {
const struct test *test;
unsigned off;
};
static size_t
crypto_read (void *ctx, void *buf, size_t len, int *fin)
{
struct test_ctx *test_ctx = ctx;
if (test_ctx->test->data_sz - test_ctx->off < len)
len = test_ctx->test->data_sz - test_ctx->off;
memcpy(buf, test_ctx->test->data, len);
test_ctx->off += len;
return len;
}
static void
init_ctx (struct test_ctx *test_ctx, const struct test *test)
{
test_ctx->test = test;
test_ctx->off = 0;
}
static void
run_test (int i)
{
const struct test *const test = &tests[i];
int len;
size_t min;
struct test_ctx test_ctx;
unsigned char out[0x100];
if (test->len > 0)
{
/* Test that all sizes under specified min fail to produce a frame */
for (min = 0; min < test->min_sz; ++min)
{
init_ctx(&test_ctx, test);
len = test->pf->pf_gen_crypto_frame(out, min, 0, test->offset, 0,
test->data_sz, crypto_read, &test_ctx);
assert(-1 == len);
}
/* Test that it succeeds now: */
init_ctx(&test_ctx, test);
len = test->pf->pf_gen_crypto_frame(out, min, 0, test->offset, 0,
test->data_sz, crypto_read, &test_ctx);
assert(len == (int) min);
}
init_ctx(&test_ctx, test);
len = test->pf->pf_gen_crypto_frame(out, test->avail, 0, test->offset, 0,
test->data_sz, crypto_read, &test_ctx);
if (test->len > 0) {
assert(test->len == len);
assert(0 == memcmp(test->out, out, test->len));
}
else
{
assert(len < 0);
}
}
int
main (void)
{
unsigned i;
for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
run_test(i);
return 0;
}