mirror of
https://github.com/monitoring-plugins/monitoring-plugins.git
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check_curl: Clean up (#2252)
* check_curl: remove unused variables * check_curl: run formatter on related files * check_curl_helpers: make code a bit more understandable * check_curl helpers: general api cleanup and code style
This commit is contained in:
Lorenz Kästle
GitHub
parent
ddd1bd9fbd
commit
613cb60c96
5 changed files with 322 additions and 214 deletions
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@ -247,8 +247,9 @@ mp_subcheck check_http(const check_curl_config config, check_curl_working_state
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printf("**** REQUEST CONTENT ****\n%s\n", workingState.http_post_data);
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}
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// curl_state is updated after curl_easy_perform, and with updated curl_state certificate checks can be done
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// Check_http tries to check certs as early as possible, and exits with certificate check result by default. Behave similarly.
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// curl_state is updated after curl_easy_perform, and with updated curl_state certificate checks
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// can be done Check_http tries to check certs as early as possible, and exits with certificate
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// check result by default. Behave similarly.
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#ifdef LIBCURL_FEATURE_SSL
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if (workingState.use_ssl && config.check_cert) {
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if (verbose > 1) {
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@ -1546,8 +1547,8 @@ void print_help(void) {
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printf(" %s\n", "-I, --IP-address=ADDRESS");
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printf(" %s\n",
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"IP address or name (use numeric address if possible to bypass DNS lookup).");
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printf(" %s\n",
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"This overwrites the network address of the target while leaving everything else (HTTP headers) as they are");
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printf(" %s\n", "This overwrites the network address of the target while leaving everything "
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"else (HTTP headers) as they are");
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printf(" %s\n", "-p, --port=INTEGER");
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printf(" %s", _("Port number (default: "));
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printf("%d)\n", HTTP_PORT);
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@ -1611,7 +1612,8 @@ void print_help(void) {
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printf(" %s\n", _("String to expect in the content"));
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printf(" %s\n", "-u, --url=PATH");
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printf(" %s\n", _("URL to GET or POST (default: /)"));
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printf(" %s\n", _("This is the part after the address in a URL, so for \"https://example.com/index.html\" it would be '-u /index.html'"));
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printf(" %s\n", _("This is the part after the address in a URL, so for "
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"\"https://example.com/index.html\" it would be '-u /index.html'"));
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printf(" %s\n", "-P, --post=STRING");
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printf(" %s\n", _("URL decoded http POST data"));
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printf(" %s\n",
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@ -1643,11 +1645,12 @@ void print_help(void) {
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printf(" %s\n", _("If port is not specified, libcurl defaults to 1080"));
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printf(" %s\n", _("This value will be set as CURLOPT_PROXY"));
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printf(" %s\n", "--noproxy=COMMA_SEPARATED_LIST");
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printf(" %s\n", _("Specify hostnames, addresses and subnets where proxy should not be used"));
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printf(" %s\n",
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_("Specify hostnames, addresses and subnets where proxy should not be used"));
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printf(" %s\n", _("Example usage: \"example.com,::1,1.1.1.1,localhost,192.168.0.0/16\""));
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printf(" %s\n", _("Do not use brackets when specifying IPv6 addresses"));
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printf(" %s\n", _("Special case when an item is '*' : matches all hosts/addresses "
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"and effectively disables proxy."));
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"and effectively disables proxy."));
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printf(" %s\n", _("This value will be set as CURLOPT_NOPROXY"));
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printf(" %s\n", "-a, --authorization=AUTH_PAIR");
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printf(" %s\n", _("Username:password on sites with basic authentication"));
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@ -1757,38 +1760,59 @@ void print_help(void) {
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#endif
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printf("\n %s\n", "CHECK WEBSERVER CONTENT VIA PROXY:");
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printf(" %s\n", _("Proxies are specified or disabled for certain hosts/addresses using environment variables"
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" or -x/--proxy and --noproxy arguments:"));
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printf(" %s\n", _("Checked environment variables: all_proxy, http_proxy, https_proxy, no_proxy"));
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printf(" %s\n", _("Environment variables can also be given in uppercase, but the lowercase ones will "
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"take predence if both are defined."));
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printf(" %s\n", _("The environment variables are overwritten by -x/--proxy and --noproxy arguments:"));
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printf(" %s\n", _("Proxies are specified or disabled for certain hosts/addresses using "
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"environment variables"
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" or -x/--proxy and --noproxy arguments:"));
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printf(" %s\n",
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_("Checked environment variables: all_proxy, http_proxy, https_proxy, no_proxy"));
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printf(" %s\n",
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_("Environment variables can also be given in uppercase, but the lowercase ones will "
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"take predence if both are defined."));
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printf(" %s\n",
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_("The environment variables are overwritten by -x/--proxy and --noproxy arguments:"));
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printf(" %s\n", _("all_proxy/ALL_PROXY environment variables are read first, but protocol "
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"specific environment variables override them."));
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printf(" %s\n", _("If SSL is enabled and used, https_proxy/HTTPS_PROXY will be checked and overwrite "
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"http_proxy/HTTPS_PROXY."));
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printf(" %s\n", _("Curl accepts proxies using http, https, socks4, socks4a, socks5 and socks5h schemes."));
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printf(" %s\n", _("http_proxy=http://192.168.100.35:3128 ./check_curl -H www.monitoring-plugins.org"));
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printf(" %s\n", _("http_proxy=http://used.proxy.com HTTP_PROXY=http://ignored.proxy.com ./check_curl -H www.monitoring-plugins.org"));
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"specific environment variables override them."));
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printf(" %s\n",
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_("If SSL is enabled and used, https_proxy/HTTPS_PROXY will be checked and overwrite "
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"http_proxy/HTTPS_PROXY."));
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printf(
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" %s\n",
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_("Curl accepts proxies using http, https, socks4, socks4a, socks5 and socks5h schemes."));
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printf(" %s\n",
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_("http_proxy=http://192.168.100.35:3128 ./check_curl -H www.monitoring-plugins.org"));
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printf(" %s\n", _("http_proxy=http://used.proxy.com HTTP_PROXY=http://ignored.proxy.com "
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"./check_curl -H www.monitoring-plugins.org"));
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printf(" %s\n", _(" Lowercase http_proxy takes predence over uppercase HTTP_PROXY"));
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printf(" %s\n", _("./check_curl -H www.monitoring-plugins.org -x http://192.168.100.35:3128"));
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printf(" %s\n", _("http_proxy=http://unused.proxy1.com HTTP_PROXY=http://unused.proxy2.com ./check_curl "
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"-H www.monitoring-plugins.org --proxy http://used.proxy"));
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printf(" %s\n", _(" Proxy specified by --proxy overrides any proxy specified by environment variable."));
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printf(" %s\n",
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_("http_proxy=http://unused.proxy1.com HTTP_PROXY=http://unused.proxy2.com ./check_curl "
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"-H www.monitoring-plugins.org --proxy http://used.proxy"));
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printf(
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" %s\n",
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_(" Proxy specified by --proxy overrides any proxy specified by environment variable."));
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printf(" %s\n", _(" Curl uses port 1080 by default as port is not specified"));
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printf(" %s\n", _("HTTPS_PROXY=http://192.168.100.35:3128 ./check_curl -H www.monitoring-plugins.org --ssl"));
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printf(" %s\n", _("HTTPS_PROXY=http://192.168.100.35:3128 ./check_curl -H "
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"www.monitoring-plugins.org --ssl"));
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printf(" %s\n", _(" HTTPS_PROXY is read as --ssl is toggled"));
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printf(" %s\n", _("./check_curl -H www.monitoring-plugins.org --proxy socks5h://192.168.122.21"));
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printf(" %s\n", _("./check_curl -H www.monitoring-plugins.org -x http://unused.proxy.com --noproxy '*'"));
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printf(" %s\n",
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_("./check_curl -H www.monitoring-plugins.org --proxy socks5h://192.168.122.21"));
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printf(
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" %s\n",
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_("./check_curl -H www.monitoring-plugins.org -x http://unused.proxy.com --noproxy '*'"));
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printf(" %s\n", _(" Disabled proxy for all hosts by using '*' in no_proxy ."));
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printf(" %s\n", _("NO_PROXY=www.monitoring-plugins.org ./check_curl -H www.monitoring-plugins.org -x http://unused.proxy.com"));
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printf(" %s\n", _("NO_PROXY=www.monitoring-plugins.org ./check_curl -H "
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"www.monitoring-plugins.org -x http://unused.proxy.com"));
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printf(" %s\n", _(" Exact matches with the hostname/address work."));
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printf(" %s\n", _("no_proxy=192.168.178.0/24 ./check_curl -I 192.168.178.10 -x http://proxy.acme.org"));
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printf(" %s\n", _("no_proxy=acme.org ./check_curl -H nonpublic.internalwebapp.acme.org -x http://proxy.acme.org"));
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printf(" %s\n", _(" Do not use proxy when accessing internal domains/addresses, but use a default proxy when accessing public web."));
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printf(" %s\n", _(" IMPORTANT: Check_curl can not always determine whether itself or the proxy will "
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"resolve a hostname before sending a request and getting an answer."
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"This can lead to DNS resolvation issues if hostname is only resolvable over proxy."));
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printf(" %s\n",
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_("no_proxy=192.168.178.0/24 ./check_curl -I 192.168.178.10 -x http://proxy.acme.org"));
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printf(" %s\n", _("no_proxy=acme.org ./check_curl -H nonpublic.internalwebapp.acme.org -x "
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"http://proxy.acme.org"));
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printf(" %s\n", _(" Do not use proxy when accessing internal domains/addresses, but use a "
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"default proxy when accessing public web."));
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printf(" %s\n",
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_(" IMPORTANT: Check_curl can not always determine whether itself or the proxy will "
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"resolve a hostname before sending a request and getting an answer."
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"This can lead to DNS resolvation issues if hostname is only resolvable over proxy."));
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printf(" %s\n", _("Legacy proxy requests in check_http style still work:"));
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printf(" %s\n", _("check_curl -I 192.168.100.35 -p 3128 -u http://www.monitoring-plugins.org/ "
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"-H www.monitoring-plugins.org"));
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@ -60,8 +60,8 @@ check_curl_configure_curl(const check_curl_static_curl_config config,
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result.curl_state.curl_easy_initialized = true;
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if (verbose >= 1) {
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handle_curl_option_return_code(curl_easy_setopt(result.curl_state.curl, CURLOPT_VERBOSE, 1L),
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"CURLOPT_VERBOSE");
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handle_curl_option_return_code(
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curl_easy_setopt(result.curl_state.curl, CURLOPT_VERBOSE, 1L), "CURLOPT_VERBOSE");
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}
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/* print everything on stdout like check_http would do */
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@ -120,21 +120,23 @@ check_curl_configure_curl(const check_curl_static_curl_config config,
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"CURLOPT_TIMEOUT");
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/* set proxy */
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/* http(s) proxy can either be given from the command line, or taken from environment variables */
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/* http(s) proxy can either be given from the command line, or taken from environment variables
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*/
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/* socks4(a) / socks5(h) proxy should be given using the command line */
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/* first source to check is the environment variables */
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/* lower case proxy environment variables are almost always accepted, while some programs also checking
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uppercase ones. discover both, but take the lowercase one if both are present */
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/* lower case proxy environment variables are almost always accepted, while some programs also
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checking uppercase ones. discover both, but take the lowercase one if both are present */
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/* extra information: libcurl does not discover the uppercase version HTTP_PROXY due to security reasons */
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/* extra information: libcurl does not discover the uppercase version HTTP_PROXY due to security
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* reasons */
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/* https://github.com/curl/curl/blob/d445f2d930ae701039518d695481ee53b8490521/lib/url.c#L1987 */
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/* first environment variable to read is all_proxy. it can be overridden by protocol specific environment variables */
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char *all_proxy_env, *all_proxy_uppercase_env;
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all_proxy_env = getenv("all_proxy");
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all_proxy_uppercase_env = getenv("ALL_PROXY");
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if (all_proxy_env != NULL && strlen(all_proxy_env)){
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/* first environment variable to read is all_proxy. it can be overridden by protocol specific
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* environment variables */
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char *all_proxy_env = getenv("all_proxy");
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char *all_proxy_uppercase_env = getenv("ALL_PROXY");
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if (all_proxy_env != NULL && strlen(all_proxy_env)) {
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working_state.curlopt_proxy = strdup(all_proxy_env);
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if (all_proxy_uppercase_env != NULL && verbose >= 1) {
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printf("* cURL ignoring environment variable 'ALL_PROXY' as 'all_proxy' is set\n");
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@ -143,15 +145,16 @@ check_curl_configure_curl(const check_curl_static_curl_config config,
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working_state.curlopt_proxy = strdup(all_proxy_uppercase_env);
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}
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/* second environment variable to read is http_proxy. only set curlopt_proxy if ssl is not toggled */
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char *http_proxy_env, *http_proxy_uppercase_env;
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http_proxy_env = getenv("http_proxy");
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http_proxy_uppercase_env = getenv("HTTP_PROXY");
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if (!working_state.use_ssl){
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/* second environment variable to read is http_proxy. only set curlopt_proxy if ssl is not
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* toggled */
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char *http_proxy_env = getenv("http_proxy");
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char *http_proxy_uppercase_env = getenv("HTTP_PROXY");
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if (!working_state.use_ssl) {
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if (http_proxy_env != NULL && strlen(http_proxy_env) > 0) {
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working_state.curlopt_proxy = strdup(http_proxy_env);
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if (http_proxy_uppercase_env != NULL && verbose >= 1) {
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printf("* cURL ignoring environment variable 'HTTP_PROXY' as 'http_proxy' is set\n");
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printf(
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"* cURL ignoring environment variable 'HTTP_PROXY' as 'http_proxy' is set\n");
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}
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} else if (http_proxy_uppercase_env != NULL && strlen(http_proxy_uppercase_env) > 0) {
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working_state.curlopt_proxy = strdup(http_proxy_uppercase_env);
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@ -159,30 +162,31 @@ check_curl_configure_curl(const check_curl_static_curl_config config,
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}
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#ifdef LIBCURL_FEATURE_SSL
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/* optionally read https_proxy environment variable and set curlopt_proxy if ssl is toggled */
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char *https_proxy_env, *https_proxy_uppercase_env;
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https_proxy_env = getenv("https_proxy");
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https_proxy_uppercase_env = getenv("HTTPS_PROXY");
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char *https_proxy_env = getenv("https_proxy");
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char *https_proxy_uppercase_env = getenv("HTTPS_PROXY");
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if (working_state.use_ssl) {
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if (https_proxy_env != NULL && strlen(https_proxy_env) > 0) {
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working_state.curlopt_proxy = strdup(https_proxy_env);
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if (https_proxy_uppercase_env != NULL && verbose >= 1) {
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printf("* cURL ignoring environment variable 'HTTPS_PROXY' as 'https_proxy' is set\n");
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printf(
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"* cURL ignoring environment variable 'HTTPS_PROXY' as 'https_proxy' is set\n");
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}
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}
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else if (https_proxy_uppercase_env != NULL && strlen(https_proxy_uppercase_env) >= 0) {
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} else if (https_proxy_uppercase_env != NULL) {
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working_state.curlopt_proxy = strdup(https_proxy_uppercase_env);
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}
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}
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#endif /* LIBCURL_FEATURE_SSL */
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/* second source to check for proxies is command line argument, overwriting the environment variables */
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/* second source to check for proxies is command line argument, overwriting the environment
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* variables */
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if (strlen(config.proxy) > 0) {
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working_state.curlopt_proxy = strdup(config.proxy);
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}
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if (working_state.curlopt_proxy != NULL && strlen(working_state.curlopt_proxy)){
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if (working_state.curlopt_proxy != NULL && strlen(working_state.curlopt_proxy)) {
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handle_curl_option_return_code(
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curl_easy_setopt(result.curl_state.curl, CURLOPT_PROXY, working_state.curlopt_proxy), "CURLOPT_PROXY");
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curl_easy_setopt(result.curl_state.curl, CURLOPT_PROXY, working_state.curlopt_proxy),
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"CURLOPT_PROXY");
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if (verbose >= 1) {
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printf("* curl CURLOPT_PROXY: %s\n", working_state.curlopt_proxy);
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}
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@ -190,34 +194,35 @@ check_curl_configure_curl(const check_curl_static_curl_config config,
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/* set no_proxy */
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/* first source to check is environment variables */
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char *no_proxy_env, *no_proxy_uppercase_env;
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no_proxy_env = getenv("no_proxy");
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no_proxy_uppercase_env = getenv("NO_PROXY");
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if (no_proxy_env != NULL && strlen(no_proxy_env)){
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char *no_proxy_env = getenv("no_proxy");
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char *no_proxy_uppercase_env = getenv("NO_PROXY");
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if (no_proxy_env != NULL && strlen(no_proxy_env)) {
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working_state.curlopt_noproxy = strdup(no_proxy_env);
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if (no_proxy_uppercase_env != NULL && verbose >= 1){
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if (no_proxy_uppercase_env != NULL && verbose >= 1) {
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printf("* cURL ignoring environment variable 'NO_PROXY' as 'no_proxy' is set\n");
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}
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}else if (no_proxy_uppercase_env != NULL && strlen(no_proxy_uppercase_env) > 0){
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} else if (no_proxy_uppercase_env != NULL && strlen(no_proxy_uppercase_env) > 0) {
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working_state.curlopt_noproxy = strdup(no_proxy_uppercase_env);
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}
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/* second source to check for no_proxy is command line argument, overwriting the environment variables */
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/* second source to check for no_proxy is command line argument, overwriting the environment
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* variables */
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if (strlen(config.no_proxy) > 0) {
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working_state.curlopt_noproxy = strdup(config.no_proxy);
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}
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if ( working_state.curlopt_noproxy != NULL && strlen(working_state.curlopt_noproxy)){
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handle_curl_option_return_code(
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curl_easy_setopt(result.curl_state.curl, CURLOPT_NOPROXY, working_state.curlopt_noproxy), "CURLOPT_NOPROXY");
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if (working_state.curlopt_noproxy != NULL && strlen(working_state.curlopt_noproxy)) {
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handle_curl_option_return_code(curl_easy_setopt(result.curl_state.curl, CURLOPT_NOPROXY,
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working_state.curlopt_noproxy),
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"CURLOPT_NOPROXY");
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if (verbose >= 1) {
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printf("* curl CURLOPT_NOPROXY: %s\n", working_state.curlopt_noproxy);
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}
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}
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int proxy_resolves_hostname = determine_hostname_resolver(working_state, config);
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bool have_local_resolution = hostname_gets_resolved_locally(working_state);
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if (verbose >= 1) {
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printf("* proxy_resolves_hostname: %d\n", proxy_resolves_hostname);
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printf("* have local name resolution: %s\n", (have_local_resolution ? "true": "false"));
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}
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/* enable haproxy protocol */
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@ -231,7 +236,7 @@ check_curl_configure_curl(const check_curl_static_curl_config config,
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/* host_name, only required for ssl, because we use the host_name later on to make SNI happy */
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char dnscache[DEFAULT_BUFFER_SIZE];
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char addrstr[DEFAULT_BUFFER_SIZE / 2];
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if (working_state.use_ssl && working_state.host_name != NULL && !proxy_resolves_hostname ) {
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if (working_state.use_ssl && working_state.host_name != NULL && !have_local_resolution) {
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char *tmp_mod_address;
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/* lookup_host() requires an IPv6 address without the brackets. */
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@ -682,7 +687,7 @@ char *get_header_value(const struct phr_header *headers, const size_t nof_header
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return NULL;
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}
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check_curl_working_state check_curl_working_state_init() {
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check_curl_working_state check_curl_working_state_init(void) {
|
||||
check_curl_working_state result = {
|
||||
.server_address = NULL,
|
||||
.server_url = DEFAULT_SERVER_URL,
|
||||
|
|
@ -699,7 +704,7 @@ check_curl_working_state check_curl_working_state_init() {
|
|||
return result;
|
||||
}
|
||||
|
||||
check_curl_config check_curl_config_init() {
|
||||
check_curl_config check_curl_config_init(void) {
|
||||
check_curl_config tmp = {
|
||||
.initial_config = check_curl_working_state_init(),
|
||||
|
||||
|
|
@ -1404,10 +1409,10 @@ char *fmt_url(check_curl_working_state workingState) {
|
|||
return url;
|
||||
}
|
||||
|
||||
int determine_hostname_resolver(const check_curl_working_state working_state, const check_curl_static_curl_config config){
|
||||
bool hostname_gets_resolved_locally(const check_curl_working_state working_state) {
|
||||
char *host_name_display = "NULL";
|
||||
unsigned long host_name_len = 0;
|
||||
if( working_state.host_name){
|
||||
if (working_state.host_name) {
|
||||
host_name_len = strlen(working_state.host_name);
|
||||
host_name_display = working_state.host_name;
|
||||
}
|
||||
|
|
@ -1415,8 +1420,11 @@ int determine_hostname_resolver(const check_curl_working_state working_state, co
|
|||
/* IPv4 or IPv6 version of the address */
|
||||
char *server_address_clean = strdup(working_state.server_address);
|
||||
/* server address might be a full length ipv6 address encapsulated in square brackets */
|
||||
if ((strnlen(working_state.server_address, MAX_IPV4_HOSTLENGTH) > 2) && (working_state.server_address[0] == '[') && (working_state.server_address[strlen(working_state.server_address)-1] == ']') ) {
|
||||
server_address_clean = strndup( working_state.server_address + 1, strlen(working_state.server_address) - 2);
|
||||
if ((strnlen(working_state.server_address, MAX_IPV4_HOSTLENGTH) > 2) &&
|
||||
(working_state.server_address[0] == '[') &&
|
||||
(working_state.server_address[strlen(working_state.server_address) - 1] == ']')) {
|
||||
server_address_clean =
|
||||
strndup(working_state.server_address + 1, strlen(working_state.server_address) - 2);
|
||||
}
|
||||
|
||||
/* check curlopt_noproxy option first */
|
||||
|
|
@ -1427,79 +1435,90 @@ int determine_hostname_resolver(const check_curl_working_state working_state, co
|
|||
IPv4 or IPv6 CIDR regions e.g 10.241.0.0/16 , abcd:ef01:2345::/48 ,
|
||||
direct hostnames e.g example.com, google.de */
|
||||
|
||||
if (working_state.curlopt_noproxy != NULL){
|
||||
char* curlopt_noproxy_copy = strdup( working_state.curlopt_noproxy);
|
||||
char* noproxy_item = strtok(curlopt_noproxy_copy, ",");
|
||||
while(noproxy_item != NULL){
|
||||
if (working_state.curlopt_noproxy != NULL) {
|
||||
char *curlopt_noproxy_copy = strdup(working_state.curlopt_noproxy);
|
||||
char *noproxy_item = strtok(curlopt_noproxy_copy, ",");
|
||||
while (noproxy_item != NULL) {
|
||||
unsigned long noproxy_item_len = strlen(noproxy_item);
|
||||
|
||||
/* According to the CURLOPT_NOPROXY documentation: */
|
||||
/* https://curl.se/libcurl/c/CURLOPT_NOPROXY.html */
|
||||
/* The only wildcard available is a single * character, which matches all hosts, and effectively disables the proxy. */
|
||||
if ( strlen(noproxy_item) == 1 && noproxy_item[0] == '*'){
|
||||
if (verbose >= 1){
|
||||
printf("* noproxy includes '*' which disables proxy for all host name incl. : %s / server address incl. : %s\n", host_name_display , server_address_clean);
|
||||
/* The only wildcard available is a single * character, which matches all hosts, and
|
||||
* effectively disables the proxy. */
|
||||
if (strlen(noproxy_item) == 1 && noproxy_item[0] == '*') {
|
||||
if (verbose >= 1) {
|
||||
printf("* noproxy includes '*' which disables proxy for all host name incl. : "
|
||||
"%s / server address incl. : %s\n",
|
||||
host_name_display, server_address_clean);
|
||||
}
|
||||
free(curlopt_noproxy_copy);
|
||||
free(server_address_clean);
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* direct comparison with the server_address */
|
||||
if( server_address_clean != NULL && strlen(server_address_clean) == strlen(noproxy_item) && strcmp(server_address_clean, noproxy_item) == 0){
|
||||
if (verbose >= 1){
|
||||
if (server_address_clean != NULL &&
|
||||
strlen(server_address_clean) == strlen(noproxy_item) &&
|
||||
strcmp(server_address_clean, noproxy_item) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf("* server_address is in the no_proxy list: %s\n", noproxy_item);
|
||||
}
|
||||
free(curlopt_noproxy_copy);
|
||||
free(server_address_clean);
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* direct comparison with the host_name */
|
||||
if( working_state.host_name != NULL && host_name_len == noproxy_item_len && strcmp(working_state.host_name, noproxy_item) == 0){
|
||||
if (verbose >= 1){
|
||||
if (working_state.host_name != NULL && host_name_len == noproxy_item_len &&
|
||||
strcmp(working_state.host_name, noproxy_item) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf("* host_name is in the no_proxy list: %s\n", noproxy_item);
|
||||
}
|
||||
free(curlopt_noproxy_copy);
|
||||
free(server_address_clean);
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* check if hostname is a subdomain of the item, e.g www.example.com when token is example.com */
|
||||
/* subdomain1.acme.com will not will use a proxy if you only specify 'acme' in the noproxy */
|
||||
/* check if hostname is a subdomain of the item, e.g www.example.com when token is
|
||||
* example.com */
|
||||
/* subdomain1.acme.com will not will use a proxy if you only specify 'acme' in the
|
||||
* noproxy */
|
||||
/* check if noproxy_item is a suffix */
|
||||
/* check if the character just before the suffix is '.' */
|
||||
if( working_state.host_name != NULL && host_name_len > noproxy_item_len){
|
||||
if (working_state.host_name != NULL && host_name_len > noproxy_item_len) {
|
||||
unsigned long suffix_start_idx = host_name_len - noproxy_item_len;
|
||||
if (strcmp(working_state.host_name + suffix_start_idx, noproxy_item ) == 0 && working_state.host_name[suffix_start_idx-1] == '.' ){
|
||||
if (verbose >= 1){
|
||||
printf("* host_name: %s is a subdomain of the no_proxy list item: %s\n", working_state.host_name , noproxy_item);
|
||||
if (strcmp(working_state.host_name + suffix_start_idx, noproxy_item) == 0 &&
|
||||
working_state.host_name[suffix_start_idx - 1] == '.') {
|
||||
if (verbose >= 1) {
|
||||
printf("* host_name: %s is a subdomain of the no_proxy list item: %s\n",
|
||||
working_state.host_name, noproxy_item);
|
||||
}
|
||||
free(curlopt_noproxy_copy);
|
||||
free(server_address_clean);
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
// noproxy_item could be a CIDR IP range
|
||||
if( server_address_clean != NULL && strlen(server_address_clean)){
|
||||
if (server_address_clean != NULL && strlen(server_address_clean)) {
|
||||
ip_addr_inside ip_addr_inside_cidr_ret =
|
||||
ip_addr_inside_cidr(noproxy_item, server_address_clean);
|
||||
|
||||
int ip_addr_inside_cidr_ret = ip_addr_inside_cidr(noproxy_item, server_address_clean);
|
||||
|
||||
switch(ip_addr_inside_cidr_ret){
|
||||
case 1:
|
||||
return 0;
|
||||
break;
|
||||
case 0:
|
||||
if(verbose >= 1){
|
||||
printf("server address: %s is not inside IP cidr: %s\n", server_address_clean, noproxy_item);
|
||||
if (ip_addr_inside_cidr_ret.error == NO_ERROR) {
|
||||
if (ip_addr_inside_cidr_ret.inside) {
|
||||
return true;
|
||||
} else {
|
||||
if (verbose >= 1) {
|
||||
printf("server address: %s is not inside IP cidr: %s\n",
|
||||
server_address_clean, noproxy_item);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case -1:
|
||||
if(verbose >= 1){
|
||||
printf("could not fully determine if server address: %s is inside the IP cidr: %s\n", server_address_clean, noproxy_item);
|
||||
} else {
|
||||
if (verbose >= 1) {
|
||||
printf("could not fully determine if server address: %s is inside the IP "
|
||||
"cidr: %s\n",
|
||||
server_address_clean, noproxy_item);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1509,82 +1528,97 @@ int determine_hostname_resolver(const check_curl_working_state working_state, co
|
|||
free(curlopt_noproxy_copy);
|
||||
}
|
||||
|
||||
if (working_state.curlopt_proxy != NULL){
|
||||
if (working_state.curlopt_proxy != NULL) {
|
||||
// Libcurl documentation
|
||||
// Setting the proxy string to "" (an empty string) explicitly disables the use of a proxy, even if there is an environment variable set for it.
|
||||
if ( strlen(working_state.curlopt_proxy) == 0){
|
||||
return 0;
|
||||
// Setting the proxy string to "" (an empty string) explicitly disables the use of a proxy,
|
||||
// even if there is an environment variable set for it.
|
||||
if (strlen(working_state.curlopt_proxy) == 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if ( strncmp( working_state.curlopt_proxy, "http://", 7) == 0){
|
||||
if (verbose >= 1){
|
||||
printf("* proxy scheme is http, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
if (strncmp(working_state.curlopt_proxy, "http://", 7) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf(
|
||||
"* proxy scheme is http, proxy: %s resolves host: %s or server_address: %s\n",
|
||||
working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
}
|
||||
free(server_address_clean);
|
||||
return 1;
|
||||
return false;
|
||||
}
|
||||
|
||||
if ( strncmp( working_state.curlopt_proxy, "https://", 8) == 0){
|
||||
if (verbose >= 1){
|
||||
printf("* proxy scheme is https, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
if (strncmp(working_state.curlopt_proxy, "https://", 8) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf(
|
||||
"* proxy scheme is https, proxy: %s resolves host: %s or server_address: %s\n",
|
||||
working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
}
|
||||
free(server_address_clean);
|
||||
return 1;
|
||||
return false;
|
||||
}
|
||||
|
||||
if ( strncmp( working_state.curlopt_proxy, "socks4://", 9) == 0){
|
||||
if (verbose >= 1){
|
||||
printf("* proxy scheme is socks, proxy: %s does not resolve host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
if (strncmp(working_state.curlopt_proxy, "socks4://", 9) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf("* proxy scheme is socks, proxy: %s does not resolve host: %s or "
|
||||
"server_address: %s\n",
|
||||
working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
}
|
||||
free(server_address_clean);
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
if ( strncmp( working_state.curlopt_proxy, "socks4a://", 10) == 0){
|
||||
if (verbose >= 1){
|
||||
printf("* proxy scheme is socks4a, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
if (strncmp(working_state.curlopt_proxy, "socks4a://", 10) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf("* proxy scheme is socks4a, proxy: %s resolves host: %s or server_address: "
|
||||
"%s\n",
|
||||
working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
}
|
||||
free(server_address_clean);
|
||||
return 1;
|
||||
return false;
|
||||
}
|
||||
|
||||
if ( strncmp( working_state.curlopt_proxy, "socks5://", 9) == 0){
|
||||
if (verbose >= 1){
|
||||
printf("* proxy scheme is socks5, proxy: %s does not resolve host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
if (strncmp(working_state.curlopt_proxy, "socks5://", 9) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf("* proxy scheme is socks5, proxy: %s does not resolve host: %s or "
|
||||
"server_address: %s\n",
|
||||
working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
}
|
||||
free(server_address_clean);
|
||||
return 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
if ( strncmp( working_state.curlopt_proxy, "socks5h://", 10) == 0){
|
||||
if (verbose >= 1){
|
||||
printf("* proxy scheme is socks5h, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
if (strncmp(working_state.curlopt_proxy, "socks5h://", 10) == 0) {
|
||||
if (verbose >= 1) {
|
||||
printf("* proxy scheme is socks5h, proxy: %s resolves host: %s or server_address: "
|
||||
"%s\n",
|
||||
working_state.curlopt_proxy, host_name_display, server_address_clean);
|
||||
}
|
||||
free(server_address_clean);
|
||||
return 1;
|
||||
return false;
|
||||
}
|
||||
|
||||
// Libcurl documentation:
|
||||
// Without a scheme prefix, CURLOPT_PROXYTYPE can be used to specify which kind of proxy the string identifies.
|
||||
// We do not set this value
|
||||
// Without a scheme, it is treated as an http proxy
|
||||
// Without a scheme prefix, CURLOPT_PROXYTYPE can be used to specify which kind of proxy the
|
||||
// string identifies. We do not set this value Without a scheme, it is treated as an http
|
||||
// proxy
|
||||
|
||||
return 1;
|
||||
return false;
|
||||
}
|
||||
|
||||
if (verbose >= 1){
|
||||
printf("* proxy scheme is unknown/unavailable, no proxy is assumed for host: %s or server_address: %s\n", host_name_display, server_address_clean);
|
||||
if (verbose >= 1) {
|
||||
printf("* proxy scheme is unknown/unavailable, no proxy is assumed for host: %s or "
|
||||
"server_address: %s\n",
|
||||
host_name_display, server_address_clean);
|
||||
}
|
||||
|
||||
free(server_address_clean);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_ip){
|
||||
ip_addr_inside ip_addr_inside_cidr(const char *cidr_region_or_ip_addr, const char *target_ip) {
|
||||
unsigned int slash_count = 0;
|
||||
unsigned int last_slash_idx = 0;
|
||||
for(size_t i = 0; i < strlen(cidr_region_or_ip_addr); i++){
|
||||
if(cidr_region_or_ip_addr[i] == '/'){
|
||||
for (size_t i = 0; i < strlen(cidr_region_or_ip_addr); i++) {
|
||||
if (cidr_region_or_ip_addr[i] == '/') {
|
||||
slash_count++;
|
||||
last_slash_idx = (unsigned int)i;
|
||||
}
|
||||
|
|
@ -1592,48 +1626,67 @@ int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_i
|
|||
|
||||
char *cidr_ip_part = NULL;
|
||||
int prefix_length = 0;
|
||||
ip_addr_inside result = {
|
||||
.inside = false,
|
||||
.error = NO_ERROR,
|
||||
};
|
||||
|
||||
if (slash_count == 0) {
|
||||
cidr_ip_part = strdup(cidr_region_or_ip_addr);
|
||||
if (!cidr_ip_part) return -1;
|
||||
if (!cidr_ip_part) {
|
||||
result.error = FAILED_STRDUP;
|
||||
return result;
|
||||
}
|
||||
} else if (slash_count == 1) {
|
||||
cidr_ip_part = strndup(cidr_region_or_ip_addr, last_slash_idx);
|
||||
if (!cidr_ip_part) return -1;
|
||||
if (!cidr_ip_part) {
|
||||
result.error = FAILED_STRDUP;
|
||||
return result;
|
||||
}
|
||||
|
||||
errno = 0;
|
||||
long long tmp = strtoll(cidr_region_or_ip_addr + last_slash_idx + 1, NULL, 10);
|
||||
if (errno == ERANGE) {
|
||||
if (verbose >= 1) {
|
||||
printf("cidr_region_or_ip: %s , could not parse subnet length\n", cidr_region_or_ip_addr);
|
||||
printf("cidr_region_or_ip: %s , could not parse subnet length\n",
|
||||
cidr_region_or_ip_addr);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return -1;
|
||||
result.error = COULD_NOT_PARSE_SUBNET_LENGTH;
|
||||
return result;
|
||||
}
|
||||
prefix_length = (int)tmp;
|
||||
} else {
|
||||
printf("cidr_region_or_ip: %s , has %d number of '/' characters, is not a valid cidr_region or IP\n", cidr_region_or_ip_addr, slash_count);
|
||||
return -1;
|
||||
if (verbose >= 1) {
|
||||
printf("cidr_region_or_ip: %s , has %d number of '/' characters, is not a valid "
|
||||
"cidr_region or IP\n",
|
||||
cidr_region_or_ip_addr, slash_count);
|
||||
}
|
||||
result.error = CIDR_REGION_INVALID;
|
||||
return result;
|
||||
}
|
||||
|
||||
int cidr_addr_family, target_addr_family;
|
||||
if (strchr(cidr_ip_part, ':')){
|
||||
if (strchr(cidr_ip_part, ':')) {
|
||||
cidr_addr_family = AF_INET6;
|
||||
} else {
|
||||
cidr_addr_family = AF_INET;
|
||||
}
|
||||
|
||||
if (strchr(target_ip, ':')){
|
||||
if (strchr(target_ip, ':')) {
|
||||
target_addr_family = AF_INET6;
|
||||
} else {
|
||||
target_addr_family = AF_INET;
|
||||
}
|
||||
|
||||
if (cidr_addr_family != target_addr_family){
|
||||
if (verbose >= 1){
|
||||
printf("cidr address: %s and target ip address: %s have different address families\n", cidr_ip_part, target_ip);
|
||||
if (cidr_addr_family != target_addr_family) {
|
||||
if (verbose >= 1) {
|
||||
printf("cidr address: %s and target ip address: %s have different address families\n",
|
||||
cidr_ip_part, target_ip);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return 0;
|
||||
result.inside = false;
|
||||
return result;
|
||||
}
|
||||
|
||||
// If no prefix is given, treat the cidr as a single address (full-length prefix)
|
||||
|
|
@ -1644,14 +1697,17 @@ int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_i
|
|||
int max_bits = (cidr_addr_family == AF_INET) ? 32u : 128u;
|
||||
if (prefix_length < 0 || prefix_length > max_bits) {
|
||||
if (verbose >= 1) {
|
||||
printf("cidr_region_or_ip: %s has invalid prefix length: %u\n", cidr_region_or_ip_addr, prefix_length);
|
||||
printf("cidr_region_or_ip: %s has invalid prefix length: %u\n", cidr_region_or_ip_addr,
|
||||
prefix_length);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return -1;
|
||||
result.error = CIDR_REGION_INVALID_PREFIX;
|
||||
return result;
|
||||
}
|
||||
|
||||
if (verbose >= 1){
|
||||
printf("cidr_region_or_ip: %s , has prefix length: %u\n", cidr_region_or_ip_addr, prefix_length);
|
||||
if (verbose >= 1) {
|
||||
printf("cidr_region_or_ip: %s , has prefix length: %u\n", cidr_region_or_ip_addr,
|
||||
prefix_length);
|
||||
}
|
||||
|
||||
int inet_pton_rc;
|
||||
|
|
@ -1659,7 +1715,6 @@ int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_i
|
|||
uint8_t *target_bytes = NULL;
|
||||
uint8_t cidr_buf[16];
|
||||
uint8_t target_buf[16];
|
||||
size_t total_bytes = 0;
|
||||
|
||||
if (cidr_addr_family == AF_INET) {
|
||||
struct in_addr cidr_ipv4;
|
||||
|
|
@ -1667,49 +1722,55 @@ int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_i
|
|||
inet_pton_rc = inet_pton(AF_INET, cidr_ip_part, &cidr_ipv4);
|
||||
if (inet_pton_rc != 1) {
|
||||
if (verbose >= 1) {
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv4\n", cidr_ip_part);
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv4\n",
|
||||
cidr_ip_part);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return -1;
|
||||
result.error = IP_CONTAINS_INVALID_CHARACTERS;
|
||||
return result;
|
||||
}
|
||||
inet_pton_rc = inet_pton(AF_INET, target_ip, &target_ipv4);
|
||||
if (inet_pton_rc != 1) {
|
||||
if (verbose >= 1) {
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv4\n", target_ip);
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv4\n",
|
||||
target_ip);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return -1;
|
||||
result.error = IP_CONTAINS_INVALID_CHARACTERS;
|
||||
return result;
|
||||
}
|
||||
// copy the addresses in network byte order to a buffer for comparison
|
||||
memcpy(cidr_buf, &cidr_ipv4.s_addr, 4);
|
||||
memcpy(target_buf, &target_ipv4.s_addr, 4);
|
||||
cidr_bytes = cidr_buf;
|
||||
target_bytes = target_buf;
|
||||
total_bytes = 4;
|
||||
} else {
|
||||
struct in6_addr cidr_ipv6;
|
||||
struct in6_addr target_ipv6;
|
||||
inet_pton_rc = inet_pton(AF_INET6, cidr_ip_part, &cidr_ipv6);
|
||||
if (inet_pton_rc != 1) {
|
||||
if (verbose >= 1) {
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv6\n", cidr_ip_part);
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv6\n",
|
||||
cidr_ip_part);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return -1;
|
||||
result.error = IP_CONTAINS_INVALID_CHARACTERS;
|
||||
return result;
|
||||
}
|
||||
inet_pton_rc = inet_pton(AF_INET6, target_ip, &target_ipv6);
|
||||
if (inet_pton_rc != 1) {
|
||||
if (verbose >= 1) {
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv6\n", target_ip);
|
||||
printf("ip string: %s contains characters not valid for its address family: IPv6\n",
|
||||
target_ip);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return -1;
|
||||
result.error = IP_CONTAINS_INVALID_CHARACTERS;
|
||||
return result;
|
||||
}
|
||||
memcpy(cidr_buf, &cidr_ipv6, 16);
|
||||
memcpy(target_buf, &target_ipv6, 16);
|
||||
cidr_bytes = cidr_buf;
|
||||
target_bytes = target_buf;
|
||||
total_bytes = 16;
|
||||
}
|
||||
|
||||
int prefix_bytes = prefix_length / 8;
|
||||
|
|
@ -1718,10 +1779,13 @@ int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_i
|
|||
if (prefix_bytes > 0) {
|
||||
if (memcmp(cidr_bytes, target_bytes, (size_t)prefix_bytes) != 0) {
|
||||
if (verbose >= 1) {
|
||||
printf("the first %d bytes of the cidr_region_or_ip: %s and target_ip: %s are different\n", prefix_bytes, cidr_ip_part, target_ip);
|
||||
printf("the first %d bytes of the cidr_region_or_ip: %s and target_ip: %s are "
|
||||
"different\n",
|
||||
prefix_bytes, cidr_ip_part, target_ip);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return 0;
|
||||
result.inside = false;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1732,13 +1796,19 @@ int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_i
|
|||
uint8_t mask = (uint8_t)(0xFFu << (8 - prefix_bits));
|
||||
if ((cidr_oct & mask) != (target_oct & mask)) {
|
||||
if (verbose >= 1) {
|
||||
printf("looking at the last %d bits of the prefix, cidr_region_or_ip(%s) byte is: %u and target_ip byte(%s) is: %u, applying bitmask: %02X returns different results\n", prefix_bits, cidr_ip_part, (unsigned)cidr_oct, target_ip, (unsigned)target_oct, mask);
|
||||
printf("looking at the last %d bits of the prefix, cidr_region_or_ip(%s) byte is: "
|
||||
"%u and target_ip byte(%s) is: %u, applying bitmask: %02X returns different "
|
||||
"results\n",
|
||||
prefix_bits, cidr_ip_part, (unsigned)cidr_oct, target_ip,
|
||||
(unsigned)target_oct, mask);
|
||||
}
|
||||
free(cidr_ip_part);
|
||||
return 0;
|
||||
result.inside = false;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
free(cidr_ip_part);
|
||||
return 1;
|
||||
result.inside = true;
|
||||
return result;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -127,11 +127,25 @@ mp_subcheck check_curl_certificate_checks(CURL *curl, X509 *cert, int warn_days_
|
|||
int crit_days_till_exp);
|
||||
char *fmt_url(check_curl_working_state workingState);
|
||||
|
||||
/* determine_hostname_resolver determines if the host or the proxy resolves the target hostname
|
||||
returns RESOLVE_LOCALLY if requester resolves the hostname locally, RESOLVE_REMOTELY if proxy
|
||||
resolves the hostname */
|
||||
bool hostname_gets_resolved_locally(const check_curl_working_state working_state);
|
||||
|
||||
/* function that will determine if the host or the proxy resolves the target hostname
|
||||
returns 0 if requester resolves the hostname locally, 1 if proxy resolves the hostname */
|
||||
int determine_hostname_resolver(const check_curl_working_state working_state, const check_curl_static_curl_config config);
|
||||
|
||||
/* Checks if an IP is inside given CIDR region. Using /protocol_size or not specifying the prefix length performs an equality check. Supports both IPv4 and IPv6
|
||||
returns 1 if the target_ip address is inside the given cidr_region_or_ip_addr, 0 if its out. return codes < 0 mean an error has occurred. */
|
||||
int ip_addr_inside_cidr(const char* cidr_region_or_ip_addr, const char* target_ip);
|
||||
/* Checks if an IP is inside given CIDR region. Using /protocol_size or not specifying the prefix
|
||||
length performs an equality check. Supports both IPv4 and IPv6 returns 1 if the target_ip address is
|
||||
inside the given cidr_region_or_ip_addr, 0 if its out. return codes < 0 mean an error has occurred.
|
||||
*/
|
||||
typedef enum {
|
||||
NO_ERROR,
|
||||
FAILED_STRDUP,
|
||||
COULD_NOT_PARSE_SUBNET_LENGTH,
|
||||
CIDR_REGION_INVALID,
|
||||
CIDR_REGION_INVALID_PREFIX,
|
||||
IP_CONTAINS_INVALID_CHARACTERS,
|
||||
} ip_addr_inside_error_code;
|
||||
typedef struct {
|
||||
bool inside;
|
||||
ip_addr_inside_error_code error;
|
||||
} ip_addr_inside;
|
||||
ip_addr_inside ip_addr_inside_cidr(const char *cidr_region_or_ip_addr, const char *target_ip);
|
||||
|
|
|
|||
|
|
@ -238,100 +238,100 @@ SKIP: {
|
|||
|
||||
# Test if proxy works
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http --proxy http://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used, there are no preventative measures ");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used, there are no preventative measures ");
|
||||
is( $res->return_code, 0, "Using proxy http://$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv4 --proxy http://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used, there are no preventative measures ");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used, there are no preventative measures ");
|
||||
is( $res->return_code, 0, "Using proxy http://$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http_ipv4 works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv6 --proxy http://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used, there are no preventative measures ");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used, there are no preventative measures ");
|
||||
is( $res->return_code, 0, "Using proxy http://$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http_ipv6 works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http2 --proxy http://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used, there are no preventative measures ");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used, there are no preventative measures ");
|
||||
is( $res->return_code, 0, "Using proxy http://$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http2 works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http_subdomain --proxy http://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used, there are no preventative measures ");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used, there are no preventative measures ");
|
||||
is( $res->return_code, 0, "Using proxy http://$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http_subdomain works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tls_http --proxy http://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used, there are no preventative measures ");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used, there are no preventative measures ");
|
||||
is( $res->return_code, 0, "Using proxy http://$host_tcp_proxy:$port_tcp_proxy to connect to $host_tls_http works" );
|
||||
|
||||
# Noproxy '*' should prevent using proxy in any setting, even if its specified
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http_subdomain --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy \"\*\" -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since noproxy has \"\*\" ");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since noproxy has \"\*\" ");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_subdomain with or without proxy." );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv4 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy \"\*\" -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since noproxy has \"\*\" ");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since noproxy has \"\*\" ");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv4 with or without proxy." );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv6 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy \"\*\" -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since noproxy has \"\*\" ");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since noproxy has \"\*\" ");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv6 with or without proxy." );
|
||||
|
||||
# Noproxy domain should prevent using proxy for subdomains of that domain
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http_subdomain --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy $host_tcp_http -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since subdomain: $host_tcp_http_subdomain is under a noproxy domain: $host_tcp_http");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since subdomain: $host_tcp_http_subdomain is under a noproxy domain: $host_tcp_http");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_subdomain with or without proxy." );
|
||||
|
||||
# Noproxy should prevent using IP matches if an IP is found directly
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv4 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy $host_tcp_http_ipv4 -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since IP address: $host_tcp_http_ipv4 is added into noproxy: $host_tcp_http_ipv4");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since IP address: $host_tcp_http_ipv4 is added into noproxy: $host_tcp_http_ipv4");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv4 with or without proxy." );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv6 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy $host_tcp_http_ipv6 -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since IP address: $host_tcp_http_ipv6 is added into noproxy: $host_tcp_http_ipv6");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since IP address: $host_tcp_http_ipv6 is added into noproxy: $host_tcp_http_ipv6");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv6 with or without proxy." );
|
||||
|
||||
# Noproxy should prevent using IP matches if a CIDR region that contains that Ip is used directly.
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv4 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy $host_tcp_http_ipv4_cidr_1 -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since IP address: $host_tcp_http_ipv4 is inside CIDR range: $host_tcp_http_ipv4_cidr_1");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since IP address: $host_tcp_http_ipv4 is inside CIDR range: $host_tcp_http_ipv4_cidr_1");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv4 with or without proxy." );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv4 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy $host_tcp_http_ipv4_cidr_2 -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since IP address: $host_tcp_http_ipv4 is inside CIDR range: $host_tcp_http_ipv4_cidr_2");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since IP address: $host_tcp_http_ipv4 is inside CIDR range: $host_tcp_http_ipv4_cidr_2");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv4 with or without proxy." );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv6 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy $host_tcp_http_ipv6_cidr_1 -v " );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since IP address: $host_tcp_http_ipv6 is inside CIDR range: $host_tcp_http_ipv6_cidr_1");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since IP address: $host_tcp_http_ipv6 is inside CIDR range: $host_tcp_http_ipv6_cidr_1");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv6 with or without proxy." );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -I $host_tcp_http_ipv6 --proxy http://$host_tcp_proxy:$port_tcp_proxy --noproxy $host_tcp_http_ipv6_cidr_2 -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used since IP address: $host_tcp_http_ipv6 is inside CIDR range: $host_tcp_http_ipv6_cidr_2");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used since IP address: $host_tcp_http_ipv6 is inside CIDR range: $host_tcp_http_ipv6_cidr_2");
|
||||
is( $res->return_code, 0, "Should reach $host_tcp_http_ipv6 with or without proxy." );
|
||||
|
||||
# Noproxy should discern over different types of proxy schemes
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http --proxy http://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used for resolving hostname, and is using scheme http ");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used for resolving hostname, and is using scheme http ");
|
||||
is( $res->return_code, 0, "Using proxy http:$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http --proxy https://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used for resolving hostname, and is using scheme https");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used for resolving hostname, and is using scheme https");
|
||||
# Squid is not configured for https
|
||||
# is( $res->return_code, 0, "Using proxy https:$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http --proxy socks4://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used for resolving hostname, and is using scheme socks4");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used for resolving hostname, and is using scheme socks4");
|
||||
# Squid is not configured for socks4
|
||||
# is( $res->return_code, 0, "Using proxy socks4:$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http --proxy socks4a://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used for resolving hostname, and is using scheme socks4a");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used for resolving hostname, and is using scheme socks4a");
|
||||
# Squid is not configured for socks4a
|
||||
# is( $res->return_code, 0, "Using proxy socks4a:$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http --proxy socks5://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 0/m, "proxy is not used for resolving hostname, and is using scheme socks5");
|
||||
like($res->output, qr/^\* have local name resolution: true/m, "proxy is not used for resolving hostname, and is using scheme socks5");
|
||||
# Squid is not configured for socks5
|
||||
# is( $res->return_code, 0, "Using proxy socks5:$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http works" );
|
||||
|
||||
$res = NPTest->testCmd( "./$plugin -H $host_tcp_http --proxy socks5h://$host_tcp_proxy:$port_tcp_proxy -v" );
|
||||
like($res->output, qr/^\* proxy_resolves_hostname: 1/m, "proxy is used for resolving hostname, and is using scheme socks5h");
|
||||
like($res->output, qr/^\* have local name resolution: false/m, "proxy is used for resolving hostname, and is using scheme socks5h");
|
||||
# Squid is not configured for socks5h
|
||||
# is( $res->return_code, 0, "Using proxy socks5h:$host_tcp_proxy:$port_tcp_proxy to connect to $host_tcp_http works" );
|
||||
}
|
||||
|
|
|
|||
|
|
@ -833,12 +833,12 @@ sub run_common_tests {
|
|||
$cmd = "$command -u /statuscode/200 --proxy http://proxy.example.com:8080 --noproxy '*' -v";
|
||||
$result = NPTest->testCmd( $cmd );
|
||||
is( $result->return_code, 0, $cmd);
|
||||
like( $result->output, '/.*proxy_resolves_hostname: 0.*/', "Proxy will not be used due to '*' in noproxy: ".$result->output );
|
||||
like( $result->output, '/.*have local name resolution: true.*/', "Proxy will not be used due to '*' in noproxy: ".$result->output );
|
||||
|
||||
$cmd = "$command -u /statuscode/200 --proxy http://proxy.example.com:8080 --noproxy '127.0.0.1' -v";
|
||||
$result = NPTest->testCmd( $cmd );
|
||||
is( $result->return_code, 0, $cmd);
|
||||
like( $result->output, '/.*proxy_resolves_hostname: 0.*/', "Proxy will not be used due to '127.0.0.1' in noproxy: ".$result->output );
|
||||
like( $result->output, '/.*have local name resolution: true.*/', "Proxy will not be used due to '127.0.0.1' in noproxy: ".$result->output );
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue