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haproxy.inc
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haproxy.inc
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<?php
/*
* haproxy.inc
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2009-2024 Rubicon Communications, LLC (Netgate)
* Copyright (c) 2013-2016 PiBa-NL
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* include all configuration functions */
require_once("functions.inc");
require_once("pkg-utils.inc");
require_once("notices.inc");
require_once("filter.inc");
require_once("haproxy_utils.inc");
require_once("haproxy_socketinfo.inc");
require_once("haproxy_xmlrpcsyncclient.inc");
$d_haproxyconfdirty_path = $g['varrun_path'] . "/haproxy.conf.dirty";
#region Global haproxy array item definitions..
global $a_frontendmode;
$a_frontendmode = array();
$a_frontendmode['http'] = array('name' => "http / https(offloading)", 'shortname' => "http/https");
$a_frontendmode['https'] = array('name' => "ssl / https(TCP mode)", 'shortname' => "ssl/https");
$a_frontendmode['tcp'] = array('name' => "tcp", 'shortname' => "tcp");
/*
if anyone actually used this what was it good for with recent package versions?
$a_frontendmode['health'] = array('name' => "health", 'shortname' => "health");
*/
global $openssl111;
$openssl111 = (OPENSSL_VERSION_NUMBER >= 269488128);
global $a_acltypes;
$a_acltypes = array();
$a_acltypes["host_starts_with"] = array('name' => 'Host starts with:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnhost) -m beg{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnhost) hdr(host)");
$a_acltypes["host_ends_with"] = array('name' => 'Host ends with:', 'casesensitive' => true,
'mode' =>'http', 'syntax' => 'var(txn.txnhost) -m end{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnhost) hdr(host)");
$a_acltypes["host_matches"] = array('name' => 'Host matches:', 'casesensitive' => true,
'mode' =>'http', 'syntax' => 'var(txn.txnhost) -m str{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnhost) hdr(host)");
$a_acltypes["host_regex"] = array('name' => 'Host regex:', 'casesensitive' => true,
'mode' =>'http', 'syntax' => 'var(txn.txnhost) -m reg{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnhost) hdr(host)");
$a_acltypes["host_contains"] = array('name' => 'Host contains:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnhost) -m sub{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnhost) hdr(host)");
$a_acltypes["path_starts_with"] = array('name' => 'Path starts with:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnpath) -m beg{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnpath) path");
$a_acltypes["path_ends_with"] = array('name' => 'Path ends with:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnpath) -m end{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnpath) path");
$a_acltypes["path_matches"] = array('name' => 'Path matches:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnpath) -m str{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnpath) path");
$a_acltypes["path_regex"] = array('name' => 'Path regex:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnpath) -m reg{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnpath) path");
$a_acltypes["path_contains"] = array('name' => 'Path contains:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnpath) -m sub{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnpath) path");
$a_acltypes["path_dir"] = array('name' => 'Path contains within slashes:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'var(txn.txnpath) -m dir{casesensitive} %1$s', 'advancedoptions' => "http-request set-var(txn.txnpath) path");
$a_acltypes["url_parameter"] = array('name' => 'Url parameter contains:', 'casesensitive' => true,
'mode' => 'http', 'syntax' => 'url_param({parameter}){casesensitive} %1$s',
'fields' => array(
array('name'=>"parameter",'columnheader'=>"Parameter name",'type'=>"textbox",'size'=>"50",'mask'=>'urlparameter')
));
$a_acltypes["ssl_c_verify_code"] = array('name' => 'SSL Client certificate verify error result:',
'mode' => 'http', 'syntax' => 'ssl_c_verify %1$s', 'require_client_cert' => '1');
// ssl_c_verify result codes: https://www.openssl.org/docs/apps/verify.html#DIAGNOSTICS
$a_acltypes["ssl_c_verify"] = array('name' => 'SSL Client certificate valid.',
'mode' => 'http', 'syntax' => 'ssl_c_verify 0', 'novalue' => '1', 'require_client_cert' => '1');
$a_acltypes["ssl_c_ca_commonname"] = array('name' => 'SSL Client issued by CA common-name:',
'mode' => 'http', 'syntax' => 'ssl_c_i_dn(CN) %1$s', 'require_client_cert' => '1');
$a_acltypes["source_ip"] = array('name' => 'Source IP matches IP or Alias:',
'mode' => '', 'syntax' => 'src %1$s');
$a_acltypes["backendservercount"] = array('name' => 'Minimum count usable servers:',
'mode' => '', 'syntax' => 'nbsrv({backend}) ge %1$d', 'parameters' => 'value,backendname',
'fields' => array(
'backend' => array('name'=>"backend",'columnheader'=>"Backend",'type'=>"select",'size'=>"50",'mask'=>'backend')
));
$a_acltypes["traffic_is_http"] = array('name' => 'Traffic is http (no value needed):', 'inspect-delay' => '5',
'mode' => 'tcp', 'syntax' => 'req.proto_http', 'advancedoptions' => "tcp-request content accept if { req.proto_http }");
$a_acltypes["traffic_is_ssl"] = array('name' => 'Traffic is ssl (no value needed):', 'inspect-delay' => '5',
'mode' => 'tcp', 'syntax' => 'req.ssl_ver gt 0', 'advancedoptions' => "tcp-request content accept if { req.ssl_ver gt 0 }");
// 'ssl_sni_matches' was added in HAProxy1.5dev17
$a_acltypes["ssl_sni_matches"] = array('name' => 'Server Name Indication TLS extension matches:', 'inspect-delay' => '5', 'casesensitive' => true,
'mode' => 'https', 'syntax' => 'req.ssl_sni{casesensitive} %1$s', 'advancedoptions' => "tcp-request content accept if { req.ssl_hello_type 1 }");
$a_acltypes["ssl_sni_contains"] = array('name' => 'Server Name Indication TLS extension contains:', 'inspect-delay' => '5', 'casesensitive' => true,
'mode' => 'https', 'syntax' => 'req.ssl_sni -m sub{casesensitive} %1$s', 'advancedoptions' => "tcp-request content accept if { req.ssl_hello_type 1 }");
$a_acltypes["ssl_sni_starts_with"] = array('name' => 'Server Name Indication TLS extension starts with:', 'inspect-delay' => '5', 'casesensitive' => true,
'mode' => 'https', 'syntax' => 'req.ssl_sni -m beg{casesensitive} %1$s', 'advancedoptions' => "tcp-request content accept if { req.ssl_hello_type 1 }");
$a_acltypes["ssl_sni_ends_with"] = array('name' => 'Server Name Indication TLS extension ends with:', 'inspect-delay' => '5', 'casesensitive' => true,
'mode' => 'https', 'syntax' => 'req.ssl_sni -m end{casesensitive} %1$s', 'advancedoptions' => "tcp-request content accept if { req.ssl_hello_type 1 }");
$a_acltypes["ssl_sni_regex"] = array('name' => 'Server Name Indication TLS extension regex:', 'inspect-delay' => '5', 'casesensitive' => true,
'mode' => 'https', 'syntax' => 'req.ssl_sni -m reg{casesensitive} %1$s', 'advancedoptions' => "tcp-request content accept if { req.ssl_hello_type 1 }");
$a_acltypes["custom"] = array('name' => 'Custom acl:',
'mode' => '', 'syntax' => '%1$s');
global $a_checktypes;
$a_checktypes = array();
$a_checktypes['none'] = array('name' => 'none', 'syntax' => '',
'descr' => 'No health checks will be performed.');
$a_checktypes['Basic'] = array('name' => 'Basic', 'syntax' => '',
'descr' => 'Basic socket connection check');
$a_checktypes['HTTP'] = array('name' => 'HTTP', 'syntax' => 'httpchk',
'descr' => 'HTTP protocol to check on the servers health, can also be used for HTTPS servers(requirs checking the SSL box for the servers).', 'parameters' => "uri,method,version");
// 'Agent' was added in HAProxy1.5dev18, and removed in 1.5dev20, in favor of the seperate agent-check option.
$a_checktypes['Agent'] = array('name' => 'Agent', 'syntax' => 'lb-agent-chk', 'usedifferenport' => 'yes',
'descr' => 'Use a TCP connection to read an ASCII string of the form 100%,75%,drain,down (others in haproxy manual)',
'deprecated' => true);
$a_checktypes['LDAP'] = array('name' => 'LDAP', 'syntax' => 'ldap-check',
'descr' => 'Use LDAPv3 health checks for server testing');
$a_checktypes['MySQL'] = array('name' => 'MySQL', 'syntax' => 'mysql-check',
'descr' => 'Use MySQL health checks for server testing', 'parameters' => 'username');
$a_checktypes['PostgreSQL'] = array('name' => 'PostgreSQL', 'syntax' => 'pgsql-check',
'descr' => 'Use PostgreSQL health checks for server testing', 'parameters' => 'username');
$a_checktypes['Redis'] = array('name' => 'Redis', 'syntax' => 'redis-check',
'descr' => 'Test that the server correctly talks REDIS protocol.');
$a_checktypes['SMTP'] = array('name' => 'SMTP', 'syntax' => 'smtpchk HELO',
'descr' => 'Use SMTP HELO health checks for server testing', 'parameters' => 'domain');
$a_checktypes['ESMTP'] = array('name' => 'ESMTP', 'syntax' => 'smtpchk EHLO',
'descr' => 'Use ESMTP EHLO health checks for server testing', 'parameters' => 'domain');
$a_checktypes['SSL'] = array('name' => 'SSL', 'syntax' => 'ssl-hello-chk',
'descr' => 'Use SSLv3 client hello health checks for server testing.');
global $a_httpcheck_method;
$a_httpcheck_method = array();
$a_httpcheck_method['OPTIONS'] = array('name' => 'OPTIONS', 'syntax' => 'OPTIONS');
$a_httpcheck_method['HEAD'] = array('name' => 'HEAD', 'syntax' => 'HEAD');
$a_httpcheck_method['GET'] = array('name' => 'GET', 'syntax' => 'GET');
$a_httpcheck_method['POST'] = array('name' => 'POST', 'syntax' => 'POST');
$a_httpcheck_method['PUT'] = array('name' => 'PUT', 'syntax' => 'PUT');
$a_httpcheck_method['DELETE'] = array('name' => 'DELETE', 'syntax' => 'DELETE');
$a_httpcheck_method['TRACE'] = array('name' => 'TRACE', 'syntax' => 'TRACE');
global $a_closetypes;
$a_closetypes = array();
//$a_closetypes['none'] = array('name' => 'none', 'syntax' => '',
// 'descr' => 'No close headers will be changed.');
$a_closetypes['http-keep-alive'] = array('name' => 'http-keep-alive (default)', 'syntax' => 'http-keep-alive',
'descr' => 'By default HAProxy operates in keep-alive mode with regards to persistent connections: for each connection it processes each request and response, and leaves the connection idle on both sides between the end of a response and the start of a new request.');
$a_closetypes['http-tunnel'] = array('name' => 'http-tunnel', 'syntax' => 'http-tunnel',
'descr' => 'Option "http-tunnel" disables any HTTP processing past the first request and the first response. This is the mode which was used by default in versions 1.0 to 1.5-dev21. It is the mode with the lowest processing overhead, which is normally not needed anymore unless in very specific cases such as when using an in-house protocol that looks like HTTP but is not compatible, or just to log one request per client in order to reduce log size. Note that everything which works at the HTTP level, including header parsing/addition, cookie processing or content switching will only work for the first request and will be ignored after the first response.');
$a_closetypes['httpclose'] = array('name' => 'httpclose', 'syntax' => 'httpclose',
'descr' => 'The "httpclose" option removes any "Connection" header both ways, and adds a "Connection: close" header in each direction. This makes it easier to disable HTTP keep-alive than the previous 4-rules block.');
$a_closetypes['http-server-close'] = array('name' => 'http-server-close', 'syntax' => 'http-server-close',
'descr' => 'By default, when a client communicates with a server, HAProxy will only analyze, log, and process the first request of each connection. Setting "option http-server-close" enables HTTP connection-close mode on the server side while keeping the ability to support HTTP keep-alive and pipelining on the client side. This provides the lowest latency on the client side (slow network) and the fastest session reuse on the server side to save server resources.');
$a_closetypes['forceclose'] = array('name' => 'forceclose', 'syntax' => 'forceclose',
'descr' => 'Some HTTP servers do not necessarily close the connections when they receive the "Connection: close" set by "option httpclose", and if the client does not close either, then the connection remains open till the timeout expires. This causes high number of simultaneous connections on the servers and shows high global session times in the logs. Note that this option also enables the parsing of the full request and response, which means we can close the connection to the server very quickly, releasing some resources earlier than with httpclose.');
global $a_servermodes;
$a_servermodes = array();
$a_servermodes["active"]['name'] = "active";
$a_servermodes["active"]['sign'] = "";
$a_servermodes["backup"]['name'] = "backup";
$a_servermodes["backup"]['sign'] = "*";
$a_servermodes["disabled"]['name'] = "disabled";
$a_servermodes["disabled"]['sign'] = "?";
$a_servermodes["inactive"]['name'] = "inactive";
$a_servermodes["inactive"]['sign'] = "-";
// http://www.exceliance.fr/sites/default/files/biblio/aloha_load_balancer_haproxy_cookie_persistence_methods_memo.pdf
global $a_cookiemode;
$a_cookiemode = array();
$a_cookiemode['passive'] = array('name' => 'Passive', 'syntax' => 'cookie <cookie name>',
'descr' => 'Cookie is analysed on incoming request to choose server. HAProxy does not perform any insertion update or deletion on the Cookie or Set-Cookie. If the Cookie is not set, then the load-balancing algorithm is applied.');
$a_cookiemode['passive-silent'] = array('name' => 'Passive-silent', 'syntax' => 'cookie <cookie name> indirect',
'descr' => 'Cookie is analysed on incoming request to choose server. HAProxy does not perform any insertion, update or deletion on the Cookie. Set-Cookie is removed from response if not required. If the Cookie is not set, then HAProxy applies the load-balancing algorithm.');
$a_cookiemode['reset'] = array('name' => 'Reset', 'syntax' => 'cookie <cookie name> rewrite',
'descr' => 'Cookie is analysed on incoming request to choose server and Set-Cookie value is overwritten in response if present. If the Set-Cookie isn\'t sent by the server, then HAProxy won\'t set it.');
$a_cookiemode['set'] = array('name' => 'Insert', 'syntax' => 'cookie <cookie name> insert',
'descr' => 'Cookie is analyzed on incoming request to choose server and Set-Cookie value is overwritten if present and set to an unknown value or inserted in response if not present.');
$a_cookiemode['set-silent'] = array('name' => 'Insert-silent', 'syntax' => 'cookie <cookie name> insert indirect',
'descr' => 'Cookie is analyzed on incoming request to choose server and Set-Cookie value is overwritten if present, inserted in response if needed and removed if a valid Cookie was provided.');
$a_cookiemode['insert-only'] = array('name' => 'Insert-preserve', 'syntax' => 'cookie <cookie name> preserve insert',
'descr' => 'Cookie is analyzed on incoming request to choose server. Set-Cookie value is set only if the server does not provide one or if the client came without the Cookie.');
$a_cookiemode['insert-only-silent'] = array('name' => 'Insert-preserve-silent', 'syntax' => 'cookie <cookie name> preserve insert indirect',
'descr' => 'Cookie is analyzed on incoming request to choose server and Set-Cookie value is left untouched if present, inserted in response if needed or removed if not needed.');
$a_cookiemode['session-prefix'] = array('name' => 'Session-prefix', 'syntax' => 'cookie <cookie name> prefix',
'descr' => 'Cookie is analyzed on incoming request to choose server whose Cookie Name prefix matches. Set Cookie value is prefixed using server line Cookie ID in response. Cookie is modified only between HAProxy and the client only');
$a_cookiemode['passive-session-prefix'] = array('name' => 'Passive-session-prefix', 'syntax' => 'cookie <cookie name> preserve prefix indirect',
'descr' => 'Cookie is analysed on incoming request to choose server whose Cookie ID prefix matches.');
foreach($a_cookiemode as &$cookiemode) {
$cookiemode['descr'] = $cookiemode['descr'] . "\n\n" . $cookiemode['syntax'] . "";
}
global $a_sticky_type;
$a_sticky_type = array();
$a_sticky_type['none'] = array('name' => 'none',
'descr' => "No stick-table will be used");
$a_sticky_type['stick_sslsessionid'] = array('name' => 'Stick on SSL-Session-ID',
'descr' => "Only used on https frontends. Uses the SSL-Session-ID to persist clients to a server.");
$a_sticky_type['stick_sourceipv4'] = array('name' => 'Stick on SourceIP IPv4',
'descr' => "Stick on the client ip, drawback is that multiple clients behind a natted public ip will be balanced to the same server.");
$a_sticky_type['stick_sourceipv6'] = array('name' => 'Stick on SourceIP IPv6',
'descr' => "Stick on the client ip, drawback is that multiple clients behind a natted public ip will be balanced to the same server.");
$a_sticky_type['stick_cookie_value'] = array('name' => 'Stick on existing Cookie value',
'descr' => "Stick on the value of a session cookie",
'cookiedescr' => "Enables SSL-session-id based persistence. (only use on 'https' and 'tcp' frontends that use SSL)<br/>EXAMPLE: JSESSIONID PHPSESSIONID ASP.NET_SessionId");
$a_sticky_type['stick_rdp_cookie'] = array('name' => 'Stick on RDP-cookie',
'descr' => "Uses a RDP-Cookie send by the mstsc client, note that not all clients send this.",
'cookiedescr' => 'EXAMPLE: msts or mstshash');
global $a_error;
$a_error = array();
$a_error['200'] = array('descr' => "stats or monitoring requests");
$a_error['400'] = array('descr' => "request invalid or too large");
$a_error['401'] = array('descr' => "authentication is required to perform the action");
$a_error['403'] = array('descr' => "request is forbidden");
$a_error['408'] = array('descr' => "timeout before the request is complete");
$a_error['500'] = array('descr' => "internal error");
$a_error['502'] = array('descr' => "server response invalid or blocked");
$a_error['503'] = array('descr' => "no server was available to handle the request");
$a_error['504'] = array('descr' => "timeout before the server responds");
global $a_sysloglevel;
$a_sysloglevel = array();
$a_sysloglevel['emerg'] = array('name' => "Emergency");
$a_sysloglevel['alert'] = array('name' => "Alert");
$a_sysloglevel['crit'] = array('name' => "Critical");
$a_sysloglevel['err'] = array('name' => "Error");
$a_sysloglevel['warning'] = array('name' => "Warning");
$a_sysloglevel['notice'] = array('name' => "Notice");
$a_sysloglevel['info'] = array('name' => "Informational");
$a_sysloglevel['debug'] = array('name' => "Debugging");
global $a_facilities;
$a_facilities = array();
$facilities = array("kern", "user", "mail", "daemon", "auth", "syslog", "lpr",
"news", "uucp", "cron", "auth2", "ftp", "ntp", "audit", "alert", "cron2",
"local0", "local1", "local2", "local3", "local4", "local5", "local6", "local7");
foreach($facilities as $facility) {
$a_facilities[$facility] = array('name' => $facility);
}
global $a_filestype;
$a_filestype = array();
$a_filestype[''] = array('name' => "Errorfile");
$a_filestype['luascript'] = array('name' => "Lua script");
$a_filestype['writetodisk'] = array('name' => "Write to disk");
global $a_action;
$a_action = array();
//
$a_action["use_backend"] = array('name' => "Use Backend", 'mode' => '', 'syntax' => 'use_backend {backend}', 'usage' => 'frontend',
'fields' => array(
'backend' => array('name'=>"backend",'columnheader'=>"Backend",'type'=>"select",'size'=>"50",'mask'=>'backend')
));
$a_action["use_server"] = array('name' => "Use Server", 'mode' => '', 'syntax' => 'use-server {server}', 'usage' => 'backend',
'fields' => array(
'server' => array('name'=>"server",'columnheader'=>"Server",'type'=>"textbox",'size'=>"50",'mask'=>'server')
));
//
$a_action["custom"] = array('name' => "Custom", 'mode' => '', 'syntax' => '{customaction}',
'fields' => array(
array('name'=>"customaction",'columnheader'=>"Custom action",'type'=>"textbox",'size'=>"50",'mask'=>'freetext')
));
//
$a_action["http-request_allow"] = array('name' => "http-request allow", 'mode'=> 'http', 'syntax' => 'http-request allow');
$a_action["http-request_deny"] = array('name' => "http-request deny", 'mode'=> 'http', 'syntax' => 'http-request deny {deny_status}',
'fields' => array(
array('name'=>"deny_status",'columnheader'=>"Status code",'type'=>"textbox",'size'=>"50",'mask'=>'text','prefix'=>'deny_status')
));
$a_action["http-request_tarpit"] = array('name' => "http-request tarpit", 'mode'=> 'http', 'syntax' => 'http-request tarpit {deny_status}',
'fields' => array(
array('name'=>"deny_status",'columnheader'=>"Status code",'type'=>"textbox",'size'=>"50",'mask'=>'text','prefix'=>'deny_status')
));
$a_action["http-request_auth"] = array('name' => "http-request auth", 'mode'=> 'http', 'syntax' => 'http-request auth {realm}',
'fields' => array(
array('name'=>"realm",'columnheader'=>"Realm",'type'=>"textbox",'size'=>"50",'mask'=>'freetext')
)
);
$a_action["http-request_redirect"] = array('name' => "http-request redirect", 'mode'=> 'http', 'syntax' => 'http-request redirect {rule}',
'fields' => array(
array('name'=>"rule",'columnheader'=>"Rule",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
)
);
if (haproxy_version() >= '1.6') {
$a_action["http-request_lua"] = array('name' => "http-request lua action", 'mode'=> 'http', 'syntax' => 'http-request lua.{lua-function}',
'fields' => array(
'lua-function' => array('name'=>"lua-function",'columnheader'=>"lua function",'type'=>"textbox",'size'=>"50",'mask'=>'lua-function')
));
$a_action["http-request_use-service"] = array('name' => "http-request lua service", 'mode'=> 'http', 'syntax' => 'http-request use-service lua.{lua-function}',
'fields' => array(
'lua-function' => array('name'=>"lua-function",'columnheader'=>"lua function",'type'=>"textbox",'size'=>"50",'mask'=>'lua-function')
));
}
$a_action["http-request_add-header"] = array('name' => "http-request header add", 'mode'=> 'http', 'syntax' => 'http-request add-header {name} {fmt}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-request_set-header"] = array('name' => "http-request header set", 'mode'=> 'http', 'syntax' => 'http-request set-header {name} {fmt}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-request_del-header"] = array('name' => "http-request header delete", 'mode'=> 'http', 'syntax' => 'http-request del-header {name}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername')
));
$a_action["http-request_replace-header"] = array('name' => "http-request header replace", 'mode'=> 'http', 'syntax' => 'http-request replace-header {name} {find} {replace}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"find",'columnheader'=>"Find regex",'type'=>"textbox",'size'=>"50",'mask'=>'match-regex'),
array('name'=>"replace",'columnheader'=>"Replace by",'type'=>"textbox",'size'=>"50",'mask'=>'replace-fmt')
));
if (haproxy_version() >= '2.2') {
$a_action["http-request_replace-path"] = array('name' => "http-request header replace path", 'mode'=> 'http', 'syntax' => 'http-request replace-path {find} {path} {replace}',
'fields' => array(
array('name'=>"path",'columnheader'=>"Path",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"find",'columnheader'=>"Find regex",'type'=>"textbox",'size'=>"50",'mask'=>'match-regex'),
array('name'=>"replace",'columnheader'=>"Replace by",'type'=>"textbox",'size'=>"50",'mask'=>'replace-fmt')
));
}
$a_action["http-request_replace-value"] = array('name' => "http-request header replace value", 'mode'=> 'http', 'syntax' => 'http-request replace-value {name} {find} {replace}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"find",'columnheader'=>"Find regex",'type'=>"textbox",'size'=>"50",'mask'=>'match-regex'),
array('name'=>"replace",'columnheader'=>"Replace by",'type'=>"textbox",'size'=>"50",'mask'=>'replace-fmt')
));
$a_action["http-request_set-method"] = array('name' => "http-request set method", 'mode'=> 'http', 'syntax' => 'http-request set-method {fmt}',
'fields' => array(
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-request_set-path"] = array('name' => "http-request set path", 'mode'=> 'http', 'syntax' => 'http-request set-path {fmt}',
'fields' => array(
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-request_set-query"] = array('name' => "http-request set query", 'mode'=> 'http', 'syntax' => 'http-request set-query {fmt}',
'fields' => array(
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-request_set-uri"] = array('name' => "http-request set uri", 'mode'=> 'http', 'syntax' => 'http-request set-uri {fmt}',
'fields' => array(
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
//
$a_action["http-response_allow"] = array('name' => "http-response allow", 'mode'=> 'http', 'syntax' => 'http-response allow');
$a_action["http-response_deny"] = array('name' => "http-response deny", 'mode'=> 'http', 'syntax' => 'http-response deny');
if (haproxy_version() >= '1.6') {
$a_action["http-response_lua"] = array('name' => "http-response lua script", 'mode'=> 'http', 'syntax' => 'http-response lua.{lua-function}',
'fields' => array(
'lua-function' => array('name'=>"lua-function",'columnheader'=>"lua function",'type'=>"textbox",'size'=>"50",'mask'=>'lua-function')
));
}
$a_action["http-response_add-header"] = array('name' => "http-response header add", 'mode'=> 'http', 'syntax' => 'http-response add-header {name} {fmt}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-response_set-header"] = array('name' => "http-response header set", 'mode'=> 'http', 'syntax' => 'http-response set-header {name} {fmt}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-response_del-header"] = array('name' => "http-response header delete", 'mode'=> 'http', 'syntax' => 'http-response del-header {name}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername')
));
$a_action["http-response_replace-header"] = array('name' => "http-response header replace", 'mode'=> 'http', 'syntax' => 'http-response replace-header {name} {find} {replace}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"find",'columnheader'=>"Find regex",'type'=>"textbox",'size'=>"50",'mask'=>'match-regex'),
array('name'=>"replace",'columnheader'=>"Replace by",'type'=>"textbox",'size'=>"50",'mask'=>'replace-fmt')
));
$a_action["http-response_replace-value"] = array('name' => "http-response header replace value", 'mode'=> 'http', 'syntax' => 'http-response replace-value {name} {find} {replace}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"find",'columnheader'=>"Find regex",'type'=>"textbox",'size'=>"50",'mask'=>'match-regex'),
array('name'=>"replace",'columnheader'=>"Replace by",'type'=>"textbox",'size'=>"50",'mask'=>'replace-fmt')
));
$a_action["http-response_set-status"] = array('name' => "http-response set status", 'mode'=> 'http', 'syntax' => 'http-response set-status {status} {reason}',
'fields' => array(
array('name'=>"status",'columnheader'=>"Status",'type'=>"textbox",'size'=>"50",'mask'=>'text'),
array('name'=>"reason",'columnheader'=>"Reason",'type'=>"textbox",'size'=>"50",'mask'=>'text','prefix'=>'reason')
));
if (haproxy_version() >= '2.2') {
$a_action["http-after-response_add-header"] = array('name' => "http-after-response header add", 'mode'=> 'http', 'syntax' => ' http-after-response add-header {name} {fmt}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-after-response_set-header"] = array('name' => "http-after-response header set", 'mode'=> 'http', 'syntax' => 'http-after-response set-header {name} {fmt}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"fmt",'columnheader'=>"New logformat value",'type'=>"textbox",'size'=>"50",'mask'=>'logformat')
));
$a_action["http-after-response_del-header"] = array('name' => "http-after-response header delete", 'mode'=> 'http', 'syntax' => 'http-after-response del-header {name}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername')
));
$a_action["http-after-response_replace-header"] = array('name' => "http-after-response header replace", 'mode'=> 'http', 'syntax' => 'http-after-response replace-header {name} {find} {replace}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"find",'columnheader'=>"Find regex",'type'=>"textbox",'size'=>"50",'mask'=>'match-regex'),
array('name'=>"replace",'columnheader'=>"Replace by",'type'=>"textbox",'size'=>"50",'mask'=>'replace-fmt')
));
$a_action["http-after-response_replace-value"] = array('name' => "http-after-response header replace value", 'mode'=> 'http', 'syntax' => 'http-after-response replace-value {name} {find} {replace}',
'fields' => array(
array('name'=>"name",'columnheader'=>"Headername",'type'=>"textbox",'size'=>"50",'mask'=>'headername'),
array('name'=>"find",'columnheader'=>"Find regex",'type'=>"textbox",'size'=>"50",'mask'=>'match-regex'),
array('name'=>"replace",'columnheader'=>"Replace by",'type'=>"textbox",'size'=>"50",'mask'=>'replace-fmt')
));
$a_action["http-after-response_set-status"] = array('name' => "http-after-response set status", 'mode'=> 'http', 'syntax' => ' http-after-response set-status {status} {reason}',
'fields' => array(
array('name'=>"status",'columnheader'=>"Status",'type'=>"textbox",'size'=>"50",'mask'=>'text'),
array('name'=>"reason",'columnheader'=>"Reason",'type'=>"textbox",'size'=>"50",'mask'=>'text','prefix'=>'reason')
));
}
//
$a_action["tcp-request_connection_accept"] = array('name' => "tcp-request connection accept", 'mode'=> '', 'syntax' => 'tcp-request connection accept');
$a_action["tcp-request_connection_reject"] = array('name' => "tcp-request connection reject", 'mode'=> '', 'syntax' => 'tcp-request connection reject');
//
$a_action["tcp-request_content_accept"] = array('name' => "tcp-request content accept", 'mode'=> '', 'syntax' => 'tcp-request content accept');
$a_action["tcp-request_content_reject"] = array('name' => "tcp-request content reject", 'mode'=> '', 'syntax' => 'tcp-request content reject');
if (haproxy_version() >= '1.6') {
$a_action["tcp-request_content_lua"] = array('name' => "tcp-request content lua script", 'mode'=> '', 'syntax' => 'tcp-request content lua.{lua-function}',
'fields' => array(
'lua-function' => array('name'=>"lua-function",'columnheader'=>"lua function",'type'=>"textbox",'size'=>"50",'mask'=>'lua-function')
));
$a_action["tcp-request_content_use-service"] = array('name' => "tcp-request content use-service", 'mode'=> '', 'syntax' => 'tcp-request content use-service lua.{lua-function}',
'fields' => array(
'lua-function' => array('name'=>"lua-function",'columnheader'=>"lua function",'type'=>"textbox",'size'=>"50",'mask'=>'lua-function')
));
}
//
$a_action["tcp-response_content_accept"] = array('name' => "tcp-response content accept", 'mode'=> '', 'syntax' => 'tcp-response content accept');
$a_action["tcp-response_content_close"] = array('name' => "tcp-response content close", 'mode'=> '', 'syntax' => 'tcp-response content close');
$a_action["tcp-response_content_reject"] = array('name' => "tcp-response content reject", 'mode'=> '', 'syntax' => 'tcp-response content reject');
if (haproxy_version() >= '1.6') {
$a_action["tcp-response_content_lua"] = array('name' => "tcp-response content lua script", 'mode'=> '', 'syntax' => 'tcp-response content lua.{lua-function}', 'usage' => 'backend',
'fields' => array(
'lua-function' => array('name'=>"lua-function",'columnheader'=>"lua function",'type'=>"textbox",'size'=>"50",'mask'=>'lua-function')
));
}
#end
global $haproxy_version;
function haproxy_version() {
global $haproxy_version;
if (empty($haproxy_version)) {
$haproxy_version = shell_exec("/usr/local/sbin/haproxy -v | head -n 1 | awk '{ print $3 }'");
}
return $haproxy_version;
}
function haproxy_portoralias_to_list($port_or_alias) {
// input: a port or aliasname: 80 https MyPortAlias
// returns: a array of ports and portranges 80 443 8000:8010
global $aliastable;
$portresult = array();
if (alias_get_type($port_or_alias) == "port") {
$aliasports = $aliastable[$port_or_alias];
$ports = explode(' ',$aliasports);
foreach($ports as $port) {
$portresults = haproxy_portoralias_to_list($port);
$portresult = array_merge($portresult, $portresults);
}
return $portresult;
} elseif (is_portrange($port_or_alias)) {
return (array)$port_or_alias;
} else {
$ports = explode(",", $port_or_alias);
foreach($ports as $port){
if (is_port($port)) {
if (getservbyname($port, "tcp")) {
$port = getservbyname($port, "tcp");
}
if (getservbyname($port, "udp")) {
$port = getservbyname($port, "udp");
}
$portresult[] = $port;
}
}
return $portresult;
}
}
function haproxy_expand_alias_array($address_or_alias) {
global $aliastable;
$result = array();
$items = explode(' ', $address_or_alias);
$i = 0;
while($i < count($items)) {
$item = $items[$i];
$alias_type = alias_get_type($item);
$alias = $aliastable[$item];
if ($alias_type == "url") {
$items = array_merge($items, explode(' ',$alias));
} elseif ($alias_type == "urltable") {
$urltable = alias_expand_urltable($item);
if (!empty($urltable)) {
$urltable_arr = array();
$urlfile_as_arr = file($urltable);
foreach ($urlfile_as_arr as $line) {
$urltable_arr[] = rtrim($line);
}
$items = array_merge($items, $urltable_arr);
}
} elseif ($alias_type == "network") {
$items = array_merge($items, explode(' ',$alias));
} elseif ($alias_type == "host") {
$items = array_merge($items, explode(' ',$alias));
} else {
$result[] = $item;
}
$i++;
}
return $result;
}
function haproxy_filter_alias_array($list, $ip=false, $subnet=false, $hostname=false, $convertiptosubnet=false) {
$result = array();
foreach($list as $item) {
if ($ip && $ipv = is_ipaddr($item)) {
if ($convertiptosubnet) {
if ($ipv == 4) {
$item .= "/32";
} elseif ($ipv == 6) {
$item .= "/128";
}
}
$result[] = $item;
} elseif ($subnet && is_subnet($item)) {
$result[] = $item;
} elseif ($hostname && is_hostname($item)) {
$result[] = $item;
}
}
return $result;
}
function haproxy_hostoralias_to_list($host_or_alias) {
//used by source_ip acl
$items = haproxy_expand_alias_array($host_or_alias);
$result = haproxy_filter_alias_array($items, true, true);
return $result;
}
function haproxy_get_fileslist() {
// returns the files array with 'keys'.
$result = array();
// create a copy to not modify the original 'keyless' array
$a_files = config_get_path('installedpackages/haproxy/files/item');
foreach($a_files as $file) {
$key = $file['name'];
$result[$key] = $file;
}
return $result;
}
function haproxy_custom_php_deinstall_command() {
global $static_output;
$static_output .= "HAProxy, running haproxy_custom_php_deinstall_command()\n";
update_output_window($static_output);
$static_output .= "HAProxy, deleting haproxy webgui\n";
update_output_window($static_output);
unlink_if_exists("/usr/local/etc/rc.d/haproxy.sh");
unlink_if_exists("/etc/rc.haproxy_ocsp.sh");
$static_output .= "HAProxy, uninstalling cron job if needed\n";
update_output_window($static_output);
install_cron_job("/usr/local/etc/rc.d/haproxy.sh onecheck", false);
install_cron_job("/etc/rc.haproxy_ocsp.sh", false);
$static_output .= "HAProxy, running haproxy_custom_php_deinstall_command() DONE\n";
update_output_window($static_output);
}
function haproxy_custom_php_install_command() {
global $g, $static_output;
$static_output .= "HAProxy, running haproxy_custom_php_install_command()\n";
update_output_window($static_output);
$haproxy_binary = "/usr/local/sbin/haproxy";
$static_output .= "HAProxy, create '/usr/local/etc/rc.d/haproxy.sh'\n";
update_output_window($static_output);
$haproxy = <<<EOD
#!/bin/sh
# PROVIDE: haproxy
# REQUIRE: LOGIN
# KEYWORD: FreeBSD
. /etc/rc.subr
# rc_fast=yes workaround for pfSense that calls start when it
# means restart (for a wan-ip change for example..)
# this way it doesnt check for a already running process
# and just fires of the start procedure again. which will
# take care to restart haproxy gracefully
rc_fast=yes
name="haproxy"
rcvar="\${name}_enable"
command="{$haproxy_binary}"
haproxy_enable=\${haproxy-"YES"}
start_cmd="haproxy_start"
stop_postcmd="haproxy_stop"
restart_cmd="haproxy_restart"
check_cmd="haproxy_check"
extra_commands="check"
load_rc_config \$name
haproxy_start () {
echo "Starting haproxy."
/usr/bin/env \
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
/usr/local/bin/php-cgi -q -d auto_prepend_file=config.inc <<ENDOFF
<?php
require_once("globals.inc");
require_once("functions.inc");
require_once("haproxy/haproxy.inc");
haproxy_configure();
?>
ENDOFF
}
haproxy_check () {
echo "Checking haproxy."
/usr/bin/env \
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
/usr/local/bin/php-cgi -q -d auto_prepend_file=config.inc <<ENDOFF
<?php
require_once("globals.inc");
require_once("functions.inc");
require_once("haproxy/haproxy.inc");
haproxy_check_run(0);
?>
ENDOFF
}
haproxy_stop () {
echo "Stopping haproxy."
killall haproxy
}
haproxy_restart () {
echo "Restarting haproxy."
haproxy_start
}
run_rc_command "\$1"
EOD;
$fd = fopen("/usr/local/etc/rc.d/haproxy.sh", "w");
fwrite($fd, $haproxy);
fclose($fd);
chmod("/usr/local/etc/rc.d/haproxy.sh", 0755);
$haproxy_ocsp = <<<EOD
#!/usr/local/bin/php-cgi -f
<?php
/*
Updates haproxy OCSP responses.
*/
require_once("globals.inc");
require_once("functions.inc");
require_once("haproxy/haproxy.inc");
require_once("haproxy/haproxy_socketinfo.inc");
haproxy_updateocsp();
?>
EOD;
// removing the \r prevents the "No input file specified." error..
$haproxy_ocsp = str_replace("\r\n","\n", $haproxy_ocsp);
$fd = fopen("/etc/rc.haproxy_ocsp.sh", "w");
fwrite($fd, $haproxy_ocsp);
fclose($fd);
chmod("/etc/rc.haproxy_ocsp.sh", 0755);
$static_output .= "HAProxy, update configuration\n";
update_output_window($static_output);
// call from external file, so it is surely from the newly downloaded version
// this avoids a problem with php cache that loaded haproxy.inc during uninstalling the old version
require_once('haproxy_upgrade_config.inc');
haproxy_upgrade_config();
$static_output .= "HAProxy, starting haproxy (if previously enabled)\n";
update_output_window($static_output);
haproxy_check_run(1);
$static_output .= "HAProxy, running haproxy_custom_php_install_command() DONE\n";
update_output_window($static_output);
}
function haproxy_find_backend($backendname) {
foreach (config_get_path('installedpackages/haproxy/ha_pools/item', []) as $backend) {
if ($backend['name'] == $backendname) {
return $backend;
}
}
return null;
}
function haproxy_find_acl($name) {
global $a_acltypes;
if ($a_acltypes) {
foreach ($a_acltypes as $key => $acl) {
if ($key == $name) {
return $acl;
}
}
}
}
function write_backend($configpath, $fd, $name, $pool, $backendsettings) {
$frontend = $backendsettings['frontend'];
$ipversion = $backendsettings['ipversion'];
$a_global = config_get_path('installedpackages/haproxy', []);
$a_mailers = config_get_path('installedpackages/haproxy/email_mailers/item');
$a_resolvers = config_get_path('installedpackages/haproxy/dns_resolvers/item');
$a_servers = getarraybyref($pool,'ha_servers','item');
global $a_checktypes, $a_cookiemode, $a_files_cache, $a_error;
$server_options = "";
$frontendtype = $frontend['type'];
$idoffset = 0;
if ($ipversion == "ipv4") {
$idoffset += 10000;
}
if ($ipversion == "ipv6") {
$idoffset += 20000;
}
fwrite ($fd, "backend " . $name . "\n");
// https is an alias for tcp for clarity purposes
if ($frontendtype == "https") {
$backend_mode = "tcp";
} else {
$backend_mode = $frontendtype;
}
fwrite ($fd, "\tmode\t\t\t" . $backend_mode . "\n");
$id = "";
if (is_numeric($pool['id'])) {
$id = ($pool['id'] + $idoffset);
fwrite ($fd, "\tid\t\t\t{$id}\n");
}
fwrite ($fd, "\tlog\t\t\tglobal\n");
$use_haproxyresolvers = false;
if (haproxy_version() >= '1.6') {
$use_mailers = is_array($a_mailers) && count($a_mailers) > 0;
if ($use_mailers) {
fwrite ($fd, "\t# use mailers\n");
if (empty($pool['email_level'])) {
$email_level = $a_global['email_level'];
} else {
$email_level = $pool['email_level'];
}
fwrite ($fd, "\t# level $email_level \n");
if (!empty($email_level) && $email_level != 'dontlog') {
if (empty($pool['email_to'])) {
$email_to = $a_global['email_to'];
} else {
$email_to = $pool['email_to'];
}
fwrite ($fd, "\temail-alert mailers\t\t\tglobalmailers\n");
fwrite ($fd, "\temail-alert level\t\t\t{$email_level}\n");
fwrite ($fd, "\temail-alert from\t\t\t{$a_global['email_from']}\n");
fwrite ($fd, "\temail-alert to\t\t\t{$email_to}\n");
if (!empty($a_global['email_myhostname'])) {
fwrite ($fd, "\temail-alert myhostname\t\t\t{$a_global['email_myhostname']}\n");
}
}
}
$use_resolvers = is_array($a_resolvers) && count($a_resolvers) > 0;
if ($use_resolvers) {
$use_haproxyresolvers = true;
//server s1 app1.domain.com:80 resolvers mydns resolve-prefer ipv6
$resolverprefer = ($ipversion == "ipv4" || $ipversion == "ipv6") ? $resolverprefer = " resolve-prefer {$ipversion}" : "";
$server_options .= " resolvers globalresolvers" . $resolverprefer;
}
}
if ($pool['log-health-checks'] == 'yes') {
fwrite ($fd, "\toption\t\t\tlog-health-checks\n");
}
if ($frontendtype == "http") {
// actions that read/write http headers only work when 'mode http' is used
if ($pool["persist_cookie_enabled"] == "yes") {
$cookie_mode = $pool["persist_cookie_mode"];
$cookie_cachable = $pool["persist_cookie_cachable"];
$cookiesyntax = $a_cookiemode[$cookie_mode]["syntax"];
$cookie = str_replace("<cookie name>", $pool["persist_cookie_name"], $cookiesyntax);
$cookie .= $cookie_cachable == "yes" ? "" : " nocache";
$cookie_parameters = "";
if ($pool["persist_cookie_postonly"] == "yes") {
$cookie_parameters .= " postonly";
}
if ($pool["persist_cookie_httponly"] == "yes") {
$cookie_parameters .= " httponly";
}
if ($pool["persist_cookie_secure"] == "yes") {
$cookie_parameters .= " secure";
}
if (!empty($pool["haproxy_cookie_maxidle"])) {
$cookie_parameters .= " maxidle ".$pool["haproxy_cookie_maxidle"];
}
if (!empty($pool["haproxy_cookie_maxlife"])) {
$cookie_parameters .= " maxlife ".$pool["haproxy_cookie_maxlife"];
}
if (!empty($pool["haproxy_cookie_dynamic_cookie_key"])) {
$cookie_parameters .= " dynamic";
}
$cookiedomains = explode(" ",$pool["haproxy_cookie_domains"]);
foreach($cookiedomains as $cookiedomain) {
$cookiedomain = trim($cookiedomain);
if (!empty($cookiedomain)) {
$cookie_parameters .= " domain " . $cookiedomain;
}
}
fwrite ($fd, "\t" . $cookie . $cookie_parameters . "\n");
if (!empty($pool["haproxy_cookie_dynamic_cookie_key"])) {
fwrite ($fd, "\tdynamic-cookie-key " . $pool["haproxy_cookie_dynamic_cookie_key"] . "\n");
}
}
if ($pool["strict_transport_security"] && is_numeric($pool["strict_transport_security"])){
fwrite ($fd, "\thttp-response set-header Strict-Transport-Security max-age={$pool["strict_transport_security"]};\n");
}
if ($pool["cookie_attribute_secure"] == 'yes'){
fwrite ($fd, "\thttp-response replace-header Set-Cookie \"^((?:(?!; [Ss]ecure\b).)*)\\$\" \"\\1; secure\" if { ssl_fc }\n");
}
if ($pool['stats_enabled'] == 'yes') {
fwrite ($fd, "\tstats\t\t\tenable\n");
if ($pool['stats_uri']) {
fwrite ($fd, "\tstats\t\t\turi ".$pool['stats_uri']."\n");
}
if ($pool['stats_realm']) {
fwrite ($fd, "\tstats\t\t\trealm " . haproxy_escapestring($pool['stats_realm']) . "\n");
} else {
fwrite ($fd, "\tstats\t\t\trealm .\n");
}
if ($pool['stats_username'] && $pool['stats_password']) {
fwrite ($fd, "\tstats\t\t\tauth " . haproxy_escapestring($pool['stats_username']).":". haproxy_escapestring($pool['stats_password'])."\n");
}
if ($pool['stats_admin'] == 'yes') {
fwrite ($fd, "\tstats\t\t\tadmin if TRUE" . "\n");
}
if ($pool['stats_node']) {
fwrite ($fd, "\tstats\t\t\tshow-node " . $pool['stats_node'] . "\n");
}
if ($pool['stats_desc']) {
fwrite ($fd, "\tstats\t\t\tshow-desc " . haproxy_escapestring($pool['stats_desc']) . "\n");
}
if ($pool['stats_refresh']) {
fwrite ($fd, "\tstats\t\t\trefresh " . $pool['stats_refresh'] . "\n");
}
if ($pool['stats_scope']) {
$scope_items = explode(",", $pool['stats_scope']);
foreach($scope_items as $scope_item) {
fwrite ($fd, "\tstats\t\t\tscope " . $scope_item . "\n");
}
}
}
$errorfiles = getarraybyref($pool,'errorfiles','item');
foreach($errorfiles as $errorfile) {
if (!is_array($a_files_cache)) {// load only once
$a_files_cache = haproxy_get_fileslist();
}
$file = $errorfile['errorfile'];
$errorcodes = explode(",",$errorfile['errorcode']);
foreach($errorcodes as $errorcode) {
$filename = "$configpath/errorfile_{$name}_{$errorcode}_{$file}";
$content = base64_decode($a_files_cache[$file]['content']);
$content = str_replace('{errormsg}', $a_error[$errorcode]['descr'], $content);
$content = str_replace('{errorcode}', $errorcode, $content);
file_put_contents($filename, $content);
fwrite ($fd, "\terrorfile\t\t\t" . $errorcode ." " . $filename . "\n");
}
}
}
switch($pool["persist_sticky_type"]) {
case 'stick_sslsessionid':
if ($frontendtype == "https") {
fwrite ($fd, "\ttcp-request inspect-delay 5s\n");
fwrite ($fd, "\tstick-table type binary len 32 size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
fwrite ($fd, "\tacl clienthello req.ssl_hello_type 1\n");
fwrite ($fd, "\tacl serverhello res.ssl_hello_type 2\n");
fwrite ($fd, "\ttcp-request content accept if clienthello\n");
fwrite ($fd, "\ttcp-response content accept if serverhello\n");
fwrite ($fd, "\tstick on payload_lv(43,1) if clienthello\n");
fwrite ($fd, "\tstick store-response payload_lv(43,1) if serverhello\n");
}
break;
case 'stick_rdp_cookie':
//tcp-request content accept if RDP_COOKIE
//fwrite ($fd, "\tstick on req.rdp_cookie(msts)\n");
fwrite ($fd, "\tstick-table type binary len 32 size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
fwrite ($fd, "\tstick on req.rdp_cookie(mstshash)\n");
break;
case 'stick_sourceipv4':
fwrite ($fd, "\tstick-table type ip size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
fwrite ($fd, "\tstick on src\n");
break;
case 'stick_sourceipv6':
fwrite ($fd, "\tstick-table type ip size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
fwrite ($fd, "\tstick on src\n");
break;
case 'stick_cookie_value':
if ($frontendtype == "http") {
fwrite ($fd, "\tstick-table type string len {$pool["persist_stick_length"]} size ".$pool["persist_stick_tablesize"]." expire ".$pool["persist_stick_expire"]."\n");
fwrite ($fd, "\tstick store-response res.cook({$pool["persist_stick_cookiename"]})\n");
fwrite ($fd, "\tstick on req.cook({$pool["persist_stick_cookiename"]})\n");
}
break;
}
$check_type = $pool['check_type'];
if ($check_type != 'none') {
$optioncheck = $a_checktypes[$check_type]['syntax'];
if ($check_type == "MySQL" || $check_type == "PostgreSQL") {
$optioncheck .= " user " . $pool['monitor_username'];
}
if ($check_type == "SMTP" || $check_type == "ESMTP") {
$optioncheck .= " " . $pool['monitor_domain'];
}
if ($check_type == "HTTP") {
$uri = $pool['monitor_uri'];
if (!$uri) {
$uri = "/";
}
$optioncheck .= " {$pool['httpcheck_method']} {$uri} {$pool['monitor_httpversion']}";
}
if ($check_type == "Agent") {
$checkport = " port " . $pool['monitor_agentport'];
}
if (($check_type == "HTTP") && (haproxy_version() >= '2.2')) {
$httpchecksend = "\thttp-check\t\tsend meth {$pool['httpcheck_method']}";
if (!empty($pool['monitor_uri'])) {
$httpchecksend .= " uri {$pool['monitor_uri']}";
}
if (!empty($pool['monitor_httpversion'])) {
$httpchecksend .= " ver {$pool['monitor_httpversion']}";
}
fwrite ($fd, $httpchecksend . "\n");
$optioncheck = "httpchk";
}
}
if ($pool['balance']) {
$parameters = "";
if ($pool['balance'] == 'uri') {
if (!empty($pool['balance_urilen'])) {
$parameters .= " len {$pool['balance_urilen']}";
}
if (!empty($pool['balance_uridepth'])) {
$parameters .= " depth {$pool['balance_uridepth']}";
}
if ($pool['balance_uriwhole'] == 'yes') {
$parameters .= " whole";
}
}
fwrite ($fd, "\tbalance\t\t\t{$pool['balance']}{$parameters}\n");
}
if (empty($pool['connection_timeout'])) {
$pool['connection_timeout'] = 30000;
}
fwrite ($fd, "\ttimeout connect\t\t" . $pool['connection_timeout'] . "\n");
if (empty($pool['server_timeout'])) {
$pool['server_timeout'] = 30000;
}
fwrite ($fd, "\ttimeout server\t\t" . $pool['server_timeout'] . "\n");