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Fix potential Null pointer dereference in regress_dns.c (#1675)

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Co-authored-by: icy17 <1061499390@qq.com>
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Cœur 2024-06-24 03:12:39 +08:00 committed by GitHub
parent dabf4e132d
commit 5d830362dd
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1 changed files with 24 additions and 0 deletions
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test/regress_dns.c
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@ -609,6 +609,7 @@ dns_search_test_impl(void *arg, int lower)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, 0);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
evdns_base_search_add(dns, "a.example.com");
@ -722,6 +723,8 @@ dns_search_cancel_test(void *arg)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, 0);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
evdns_base_search_add(dns, "a.example.com");
@ -799,6 +802,8 @@ dns_retry_test_impl(void *arg, int flags)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, flags);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
tt_assert(! evdns_base_set_option(dns, "timeout", "0.2"));
tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "10"));
@ -884,6 +889,8 @@ dns_probe_settings_test(void *arg)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, 0);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
tt_assert(!evdns_base_set_option(dns, "timeout", "0.2"));
tt_assert(!evdns_base_set_option(dns, "max-timeouts", "1"));
@ -986,6 +993,8 @@ dns_reissue_test_impl(void *arg, int flags)
evutil_snprintf(buf2, sizeof(buf2), "127.0.0.1:%d", (int)portnum2);
dns = evdns_base_new(base, flags);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf1));
tt_assert(! evdns_base_set_option(dns, "timeout:", "0.3"));
tt_assert(! evdns_base_set_option(dns, "max-timeouts:", "2"));
@ -1065,6 +1074,8 @@ dns_inflight_test_impl(void *arg, int flags)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, flags);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
tt_assert(! evdns_base_set_option(dns, "max-inflight:", "3"));
tt_assert(! evdns_base_set_option(dns, "randomize-case:", "0"));
@ -1124,6 +1135,7 @@ dns_disable_when_inactive_no_ns_test(void *arg)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
tt_assert(! evdns_base_set_option(dns, "timeout:", "0.1"));
@ -1591,6 +1603,8 @@ test_bufferevent_connect_hostname(void *arg)
/* Start an evdns_base that uses the server as its resolver. */
dns = evdns_base_new(data->base, 0);
tt_assert(dns);
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)dns_port);
evdns_base_nameserver_ip_add(dns, buf);
@ -1612,6 +1626,7 @@ test_bufferevent_connect_hostname(void *arg)
for (i = 0; i < ARRAY_SIZE(be); ++i) {
memset(&be_outcome[i], 0, sizeof(be_outcome[i]));
be[i] = bufferevent_socket_new(data->base, -1, BEV_OPT_CLOSE_ON_FREE);
tt_assert(be[i]);
bufferevent_setcb(be[i], NULL, NULL, be_connect_hostname_event_cb,
&be_outcome[i]);
}
@ -2461,6 +2476,7 @@ dns_client_fail_requests_test(void *arg)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
if (limit_inflight)
@ -2509,6 +2525,8 @@ dns_client_fail_requests_getaddrinfo_test(void *arg)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, EVDNS_BASE_DISABLE_WHEN_INACTIVE);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
for (i = 0; i < 20; ++i)
@ -2606,6 +2624,7 @@ getaddrinfo_race_gotresolve_test(void *arg)
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
rp.dns = evdns_base_new(rp.base, 0);
tt_assert(rp.dns);
tt_assert(!evdns_base_nameserver_ip_add(rp.dns, buf));
n_replies_left = n_reqs;
@ -2687,6 +2706,7 @@ test_tcp_resolve(void *arg)
exit_base = base;
tt_assert(base);
tt_assert(dns);
tt_assert(regress_dnsserver(base, &portnum, search_table, tcp_search_table));
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
@ -2776,6 +2796,7 @@ test_tcp_resolve_pipeline(void *arg)
exit_base = base;
tt_assert(base);
tt_assert(dns);
tt_assert(regress_dnsserver(base, &portnum, search_table, tcp_search_table));
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
@ -2820,6 +2841,7 @@ test_tcp_resolve_many_clients(void *arg)
tt_assert(regress_dnsserver(base, &portnum, search_table, tcp_search_table));
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
for (i = 0; i < 3; ++i) {
tt_assert(dns[i]);
tt_assert(!evdns_base_nameserver_ip_add(dns[i], buf));
req[i] = evdns_base_resolve_ipv4(
dns[i], "small.a.example.com", DNS_QUERY_USEVC, generic_dns_callback, &r[i]);
@ -2856,6 +2878,7 @@ test_tcp_timeout(void *arg)
exit_base = base;
tt_assert(base);
tt_assert(dns);
tt_assert(!evdns_base_set_option(dns, "timeout:", "1"));
tt_assert(regress_dnsserver(base, &portnum, search_table, tcp_search_table));
@ -2895,6 +2918,7 @@ test_edns(void *arg)
tt_assert(regress_dnsserver(base, &portnum, search_table, NULL));
evutil_snprintf(buf, sizeof(buf), "127.0.0.1:%d", (int)portnum);
dns = evdns_base_new(base, 0);
tt_assert(dns);
tt_assert(!evdns_base_nameserver_ip_add(dns, buf));
n_replies_left = 1;