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Add 'dnssec-validate' test. 

This test checks whether the server does DNSSEC validation. If it manages to find an A record for dnssec-failed.org, it doesn't.
This commit is contained in:
Jim Hague 2018-01-16 18:06:00 +00:00
parent 1a3025a405
commit 3fd4f7f240
1 changed files with 93 additions and 20 deletions
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113
src/tools/getdns_server_mon.c
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@ -284,6 +284,8 @@ static void usage()
" rtt [warn-ms,crit-ms] [<name> [<type>]]\n"
" Check server round trip time (default 500,250)\n"
"\n"
" dnssec-validate Check whether server does DNSSEC validation\n"
"\n"
" tls-auth [<name> [<type>]] Check authentication of TLS server\n"
" If both a SPKI pin and authentication name are\n"
" provided, both must authenticate for this test\n"
@ -427,13 +429,14 @@ static exit_value search(const struct test_info_s *test_info,
return EXIT_OK;
}
static exit_value check_result(const struct test_info_s *test_info,
const getdns_dict *response)
static exit_value get_result(const struct test_info_s *test_info,
const getdns_dict *response,
uint32_t *error_id,
uint32_t *rcode)
{
getdns_return_t ret;
uint32_t error_id;
if ((ret = getdns_dict_get_int(response, "status", &error_id)) != GETDNS_RETURN_GOOD) {
if ((ret = getdns_dict_get_int(response, "status", error_id)) != GETDNS_RETURN_GOOD) {
fprintf(test_info->errout,
"Cannot get result status: %s (%d)",
getdns_get_errorstr_by_id(ret),
@ -441,24 +444,12 @@ static exit_value check_result(const struct test_info_s *test_info,
return EXIT_UNKNOWN;
}
if (test_info->verbosity >= VERBOSITY_ADDITIONAL){
fprintf(test_info->errout,
"result: %s (%d), ",
getdns_get_errorstr_by_id(error_id),
error_id);
if (*error_id != GETDNS_RESPSTATUS_GOOD && *error_id != GETDNS_RESPSTATUS_NO_NAME) {
*rcode = 0;
return EXIT_OK;
}
if (error_id == GETDNS_RESPSTATUS_GOOD)
return EXIT_OK;
uint32_t rcode;
ret = getdns_dict_get_int(response, "/replies_tree/0/header/rcode", &rcode);
if (ret == GETDNS_RETURN_NO_SUCH_DICT_NAME ||
ret == GETDNS_RETURN_NO_SUCH_LIST_ITEM) {
fputs("Search had no results, timeout?", test_info->errout);
return EXIT_CRITICAL;
} else if (ret != GETDNS_RETURN_GOOD) {
if ((ret = getdns_dict_get_int(response, "/replies_tree/0/header/rcode", rcode)) != GETDNS_RETURN_GOOD) {
fprintf(test_info->errout,
"Cannot get DNS return code: %s (%d)",
getdns_get_errorstr_by_id(ret),
@ -466,6 +457,42 @@ static exit_value check_result(const struct test_info_s *test_info,
return EXIT_UNKNOWN;
}
return EXIT_OK;
}
static exit_value check_result(const struct test_info_s *test_info,
const getdns_dict *response)
{
exit_value xit;
uint32_t error_id, rcode;
if ((xit = get_result(test_info, response, &error_id, &rcode)) != EXIT_OK)
return xit;
switch(error_id) {
case GETDNS_RESPSTATUS_ALL_TIMEOUT:
fputs("Search timed out", test_info->errout);
return EXIT_CRITICAL;
case GETDNS_RESPSTATUS_NO_SECURE_ANSWERS:
fputs("No secure answers", test_info->errout);
return EXIT_CRITICAL;
case GETDNS_RESPSTATUS_ALL_BOGUS_ANSWERS:
fputs("All answers are bogus", test_info->errout);
return EXIT_CRITICAL;
default:
break;
}
if (test_info->verbosity >= VERBOSITY_ADDITIONAL){
fprintf(test_info->errout,
"result: %s (%d), ",
getdns_get_errorstr_by_id(error_id),
error_id);
}
if (test_info->fail_on_dns_errors && rcode > 0) {
fprintf(test_info->errout,
"DNS error %s (%d)",
@ -1122,6 +1149,51 @@ static exit_value test_keepalive(const struct test_info_s *test_info,
}
}
static exit_value test_dnssec_validate(const struct test_info_s *test_info,
char ** av)
{
if (*av) {
fputs("dnssec-validate takes no arguments",
test_info->errout);
return EXIT_USAGE;
}
getdns_dict *response;
exit_value xit;
if ((xit = search(test_info,
"dnssec-failed.org",
GETDNS_RRTYPE_A,
&response)) != EXIT_OK)
return xit;
if ((xit = get_report_info(test_info, response, NULL, NULL, NULL)) != EXIT_OK)
return xit;
uint32_t error_id, rcode;
if ((xit = get_result(test_info, response, &error_id, &rcode)) != EXIT_OK)
return xit;
switch(error_id) {
case GETDNS_RESPSTATUS_ALL_TIMEOUT:
fputs("Search timed out", test_info->errout);
return EXIT_CRITICAL;
case GETDNS_RESPSTATUS_NO_SECURE_ANSWERS:
case GETDNS_RESPSTATUS_ALL_BOGUS_ANSWERS:
case GETDNS_RESPSTATUS_NO_NAME:
fputs("Server validates DNSSEC", test_info->errout);
return EXIT_OK;
default:
break;
}
fputs("Server does NOT validate DNSSEC", test_info->errout);
return EXIT_CRITICAL;
}
static struct test_funcs_s
{
const char *name;
@ -1137,6 +1209,7 @@ static struct test_funcs_s
{ "tls-cert-valid", true, false, test_certificate_valid },
{ "tls-padding", true, false, test_padding },
{ "keepalive", false, true, test_keepalive },
{ "dnssec-validate", false, true, test_dnssec_validate },
{ NULL, false, false, NULL }
};