static int check_https(const char *host, unsigned short port, int timeout, int *value_int)
{
CURL *easyhandle;
CURLoption opt;
CURLcode err;
char https_host[MAX_STRING_LEN];
*value_int = 0;
if (NULL == (easyhandle = curl_easy_init()))
{
zabbix_log(LOG_LEVEL_DEBUG, "%s: could not init cURL library", __func__);
goto clean;
}
if (SUCCEED == is_ip6(host))
zbx_snprintf(https_host, sizeof(https_host), "%s[%s]", (0 == strncmp(host, "https://", 8) ? "" : "https://"), host);
else
zbx_snprintf(https_host, sizeof(https_host), "%s%s", (0 == strncmp(host, "https://", 8) ? "" : "https://"), host);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_USERAGENT, "Zabbix " ZABBIX_VERSION)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_URL, https_host)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_PORT, (long)port)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_NOBODY, 1L)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_SSL_VERIFYPEER, 0L)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_SSL_VERIFYHOST, 0L)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_TIMEOUT, (long)timeout)))
{
zabbix_log(LOG_LEVEL_DEBUG, "%s: could not set cURL option [%d]: %s",
__func__, (int)opt, curl_easy_strerror(err));
goto clean;
}
if (NULL != CONFIG_SOURCE_IP)
{
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_INTERFACE, CONFIG_SOURCE_IP)))
{
zabbix_log(LOG_LEVEL_DEBUG, "%s: could not set source interface option [%d]: %s",
__func__, (int)opt, curl_easy_strerror(err));
goto clean;
}
}
if (CURLE_OK == (err = curl_easy_perform(easyhandle)))
*value_int = 1;
else
zabbix_log(LOG_LEVEL_DEBUG, "%s: curl_easy_perform failed for [%s:%hu]: %s",
__func__, host, port, curl_easy_strerror(err));
clean:
curl_easy_cleanup(easyhandle);
return SYSINFO_RET_OK;
}
static int web_set_ip(AGENT_RESULT *result, struct web *opt, const char *params, int param_id)
{
char ip_tmp[WEB_MAX_DNS_STRLEN] = {0};
/* RFC1035 */
if (get_param(params, param_id, ip_tmp, WEB_MAX_DNS_STRLEN))
goto failed;
zbx_remove_whitespace(ip_tmp);
if (strlen(ip_tmp)) {
if (!is_ip4(ip_tmp)) {
opt->is_ipv6 = (zbx_uint64_t) 0;
opt->ip = zbx_strdup(NULL, ip_tmp);
return SUCCEED;
}
#if defined(HAVE_IPV6)
else if (!is_ip6(ip_tmp)) {
opt->is_ipv6 = (zbx_uint64_t) 1;
opt->ip = zbx_strdup(NULL, ip_tmp);
return SUCCEED;
}
#endif /*HAVE_IPV6*/
else if (!(zbx_check_hostname(ip_tmp))) {
opt->is_ip_hostname = (zbx_uint64_t) 1;
opt->host = zbx_strdup(NULL, ip_tmp);
return SUCCEED;
} else {
goto failed;
}
} else {
if (opt->item->interface.useip) {
opt->ip = zbx_strdup(NULL, opt->item->interface.ip_orig);
return SUCCEED;
} else {
opt->host = zbx_strdup(NULL, opt->item->interface.dns_orig);
return web_resolv_dns(opt, opt->item->interface.dns_orig);
}
}
failed:
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Invalid IP / DNS parameter", NULL));
return FAIL;
}
static bool
pred_is_ip6(arguments_t args, SkBuff b)
{
return is_ip6(b);
}