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add unit test case for passive open & (invalid) bug #51941

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This commit is contained in:
goldsimon 2017-09-05 21:47:06 +02:00
parent dc7a9c8c37
commit 8c04009357
1 changed files with 70 additions and 0 deletions
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70
test/unit/tcp/test_tcp.c
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@ -94,6 +94,75 @@ START_TEST(test_tcp_new_abort)
}
END_TEST
/** Call tcp_new() and tcp_abort() and test memp stats */
START_TEST(test_tcp_listen_passive_open)
{
struct tcp_pcb *pcb, *pcbl;
struct tcp_pcb_listen *lpcb;
struct netif netif;
struct test_tcp_txcounters txcounters;
struct test_tcp_counters counters;
struct pbuf *p;
ip_addr_t src_addr;
err_t err;
LWIP_UNUSED_ARG(_i);
fail_unless(MEMP_STATS_GET(used, MEMP_TCP_PCB) == 0);
test_tcp_init_netif(&netif, &txcounters, &test_local_ip, &test_netmask);
/* initialize counter struct */
memset(&counters, 0, sizeof(counters));
pcb = tcp_new();
EXPECT_RET(pcb != NULL);
err = tcp_bind(pcb, &netif.ip_addr, 1234);
EXPECT(err == ERR_OK);
pcbl = tcp_listen(pcb);
EXPECT_RET(pcbl != NULL);
EXPECT_RET(pcbl != pcb);
lpcb = (struct tcp_pcb_listen *)pcbl;
ip_addr_set_ip4_u32_val(src_addr, lwip_htonl(lwip_ntohl(ip_addr_get_ip4_u32(&lpcb->local_ip)) + 1));
/* check correct syn packet */
p = tcp_create_segment(&src_addr, &lpcb->local_ip, 12345,
lpcb->local_port, NULL, 0, 12345, 54321, TCP_SYN);
EXPECT(p != NULL);
if (p != NULL) {
struct tcp_hdr* tcphdr;
pbuf_remove_header(p, sizeof(struct ip_hdr));
tcphdr = (struct tcp_hdr *)p->payload;
TCPH_FLAGS_SET(tcphdr, TCP_SYN);
pbuf_add_header(p, sizeof(struct ip_hdr));
/* pass the segment to tcp_input */
test_tcp_input(p, &netif);
/* check if counters are as expected */
EXPECT(txcounters.num_tx_calls == 1);
}
/* chekc syn packet with short length */
p = tcp_create_segment(&src_addr, &lpcb->local_ip, 12345,
lpcb->local_port, NULL, 0, 12345, 54321, TCP_SYN);
EXPECT(p != NULL);
EXPECT(p->next == NULL);
if ((p != NULL) && (p->next == NULL)) {
struct tcp_hdr* tcphdr;
pbuf_remove_header(p, sizeof(struct ip_hdr));
tcphdr = (struct tcp_hdr *)p->payload;
TCPH_FLAGS_SET(tcphdr, TCP_SYN);
pbuf_add_header(p, sizeof(struct ip_hdr));
p->len -= 2;
p->tot_len -= 2;
/* pass the segment to tcp_input */
test_tcp_input(p, &netif);
/* check if counters are as expected */
EXPECT(txcounters.num_tx_calls == 1);
}
tcp_close(pcbl);
}
END_TEST
/** Create an ESTABLISHED pcb and check if receive callback is called */
START_TEST(test_tcp_recv_inseq)
{
@ -1207,6 +1276,7 @@ tcp_suite(void)
{
testfunc tests[] = {
TESTFUNC(test_tcp_new_abort),
TESTFUNC(test_tcp_listen_passive_open),
TESTFUNC(test_tcp_recv_inseq),
TESTFUNC(test_tcp_recv_inseq_trim),
TESTFUNC(test_tcp_malformed_header),