mirror of
https://gitea.invidious.io/iv-org/litespeed-quic.git
synced 2024-08-15 00:53:43 +00:00
150 lines
4.2 KiB
C
150 lines
4.2 KiB
C
/* Copyright (c) 2017 LiteSpeed Technologies Inc. See LICENSE. */
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/queue.h>
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#ifndef WIN32
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#include <sys/time.h>
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#endif
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#include "lsquic.h"
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#include "lsquic_types.h"
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#include "lsquic_alarmset.h"
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#include "lsquic_packet_common.h"
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#include "lsquic_parse.h"
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#include "lsquic_mm.h"
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#include "lsquic_packet_in.h"
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#include "lsquic_engine_public.h"
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#include "lsquic_version.h"
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static const struct parse_funcs *const pf = select_pf_by_ver(LSQVER_037);
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/* The struct is used to test both generation and parsing of version
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* negotiation packet.
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*/
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struct gen_ver_nego_test {
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int gvnt_lineno;
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/* Generate: inputs; parse: outputs */
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lsquic_cid_t gvnt_cid;
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unsigned gvnt_versions;
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size_t gvnt_bufsz;
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/* Generate: outputs; parse: inputs */
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int gvnt_len; /* Retval */
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char gvnt_buf[0x40]; /* Contents */
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};
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static const struct gen_ver_nego_test tests[] = {
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{ .gvnt_lineno = __LINE__,
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.gvnt_cid = 0x0102030405060708UL,
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.gvnt_versions = (1 << LSQVER_037),
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.gvnt_bufsz = 13,
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.gvnt_len = 13,
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.gvnt_buf = {
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PACKET_PUBLIC_FLAGS_VERSION|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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'Q', '0', '3', '7',
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},
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},
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{ .gvnt_lineno = __LINE__,
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.gvnt_cid = 0x0102030405060708UL,
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.gvnt_versions = (1 << LSQVER_037),
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.gvnt_bufsz = 12,
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.gvnt_len = -1, /* Buffer size is too small */
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},
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{ .gvnt_lineno = __LINE__,
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.gvnt_cid = 0x0102030405060708UL,
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.gvnt_versions = (1 << LSQVER_037) | (1 << N_LSQVER),
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.gvnt_bufsz = 20,
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.gvnt_len = -1, /* Invalid version specified in the bitmask */
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},
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{ .gvnt_lineno = __LINE__,
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.gvnt_cid = 0x0102030405060708UL,
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.gvnt_versions = (1 << LSQVER_037) | (1 << LSQVER_035) | (1 << LSQVER_038),
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.gvnt_bufsz = 21,
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.gvnt_len = 21,
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.gvnt_buf = {
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PACKET_PUBLIC_FLAGS_VERSION|
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PACKET_PUBLIC_FLAGS_8BYTE_CONNECTION_ID,
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0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, /* Connection ID */
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'Q', '0', '3', '5',
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'Q', '0', '3', '7',
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'Q', '0', '3', '8',
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},
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},
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};
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static void
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test_parsing_ver_nego (const struct gen_ver_nego_test *gvnt)
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{
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int s;
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lsquic_packet_in_t *packet_in;
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struct lsquic_mm mm;
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struct ver_iter vi;
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lsquic_ver_tag_t ver_tag;
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enum lsquic_version version;
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struct packin_parse_state ppstate;
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unsigned version_bitmask = gvnt->gvnt_versions;
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lsquic_mm_init(&mm);
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packet_in = lsquic_mm_get_packet_in(&mm);
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packet_in->pi_data = lsquic_mm_get_1370(&mm);
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packet_in->pi_flags |= PI_OWN_DATA;
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memcpy(packet_in->pi_data, gvnt->gvnt_buf, gvnt->gvnt_len);
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s = parse_packet_in_begin(packet_in, gvnt->gvnt_len, 0, &ppstate);
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assert(s == 0);
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for (s = packet_in_ver_first(packet_in, &vi, &ver_tag); s;
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s = packet_in_ver_next(&vi, &ver_tag))
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{
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version = lsquic_tag2ver(ver_tag);
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assert(version < N_LSQVER);
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assert(version_bitmask & (1 << version));
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version_bitmask &= ~(1 << version);
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}
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assert(0 == version_bitmask);
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lsquic_mm_put_packet_in(&mm, packet_in);
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lsquic_mm_cleanup(&mm);
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}
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static void
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run_gvnt (int i)
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{
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const struct gen_ver_nego_test *const gvnt = &tests[i];
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unsigned char out[0x40];
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assert(sizeof(out) <= sizeof(gvnt->gvnt_buf)); /* Internal sanity check */
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int len = pf->pf_gen_ver_nego_pkt(out, gvnt->gvnt_bufsz, gvnt->gvnt_cid,
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gvnt->gvnt_versions);
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assert(("Packet length is correct", len == gvnt->gvnt_len));
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if (gvnt->gvnt_len > 0)
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{
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assert(("Packet contents are correct",
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0 == memcmp(out, gvnt->gvnt_buf, gvnt->gvnt_len)));
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test_parsing_ver_nego(gvnt);
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}
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}
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int
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main (void)
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{
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unsigned i;
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for (i = 0; i < sizeof(tests) / sizeof(tests[0]); ++i)
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run_gvnt(i);
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return 0;
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}
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