src/cfgparse-listen.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <ctype.h>
#include <pwd.h>
#include <grp.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

#include <common/cfgparse.h>
#include <common/uri_auth.h>

#include <types/capture.h>
#include <types/compression.h>
#include <types/stats.h>

#include <proto/acl.h>
#include <proto/checks.h>
#include <proto/connection.h>
#include <proto/http_htx.h>
#include <proto/http_rules.h>
#include <proto/listener.h>
#include <proto/protocol.h>
#include <proto/proxy.h>
#include <proto/server.h>
#include <proto/stick_table.h>

/* Report a warning if a rule is placed after a 'tcp-request session' rule.
 * Return 1 if the warning has been emitted, otherwise 0.
 */
int warnif_rule_after_tcp_sess(struct proxy *proxy, const char *file, int line, const char *arg)
{
	if (!LIST_ISEMPTY(&proxy->tcp_req.l5_rules)) {
		ha_warning("parsing [%s:%d] : a '%s' rule placed after a 'tcp-request session' rule will still be processed before.\n",
			   file, line, arg);
		return 1;
	}
	return 0;
}

/* Report a warning if a rule is placed after a 'tcp-request content' rule.
 * Return 1 if the warning has been emitted, otherwise 0.
 */
int warnif_rule_after_tcp_cont(struct proxy *proxy, const char *file, int line, const char *arg)
{
	if (!LIST_ISEMPTY(&proxy->tcp_req.inspect_rules)) {
		ha_warning("parsing [%s:%d] : a '%s' rule placed after a 'tcp-request content' rule will still be processed before.\n",
			   file, line, arg);
		return 1;
	}
	return 0;
}

/* Report a warning if a rule is placed after a 'monitor fail' rule.
 * Return 1 if the warning has been emitted, otherwise 0.
 */
int warnif_rule_after_monitor(struct proxy *proxy, const char *file, int line, const char *arg)
{
	if (!LIST_ISEMPTY(&proxy->mon_fail_cond)) {
		ha_warning("parsing [%s:%d] : a '%s' rule placed after a 'monitor fail' rule will still be processed before.\n",
			   file, line, arg);
		return 1;
	}
	return 0;
}

/* Report a warning if a rule is placed after an 'http_request' rule.
 * Return 1 if the warning has been emitted, otherwise 0.
 */
int warnif_rule_after_http_req(struct proxy *proxy, const char *file, int line, const char *arg)
{
	if (!LIST_ISEMPTY(&proxy->http_req_rules)) {
		ha_warning("parsing [%s:%d] : a '%s' rule placed after an 'http-request' rule will still be processed before.\n",
			   file, line, arg);
		return 1;
	}
	return 0;
}

/* Report a warning if a rule is placed after a redirect rule.
 * Return 1 if the warning has been emitted, otherwise 0.
 */
int warnif_rule_after_redirect(struct proxy *proxy, const char *file, int line, const char *arg)
{
	if (!LIST_ISEMPTY(&proxy->redirect_rules)) {
		ha_warning("parsing [%s:%d] : a '%s' rule placed after a 'redirect' rule will still be processed before.\n",
			   file, line, arg);
		return 1;
	}
	return 0;
}

/* Report a warning if a rule is placed after a 'use_backend' rule.
 * Return 1 if the warning has been emitted, otherwise 0.
 */
int warnif_rule_after_use_backend(struct proxy *proxy, const char *file, int line, const char *arg)
{
	if (!LIST_ISEMPTY(&proxy->switching_rules)) {
		ha_warning("parsing [%s:%d] : a '%s' rule placed after a 'use_backend' rule will still be processed before.\n",
			   file, line, arg);
		return 1;
	}
	return 0;
}

/* Report a warning if a rule is placed after a 'use-server' rule.
 * Return 1 if the warning has been emitted, otherwise 0.
 */
int warnif_rule_after_use_server(struct proxy *proxy, const char *file, int line, const char *arg)
{
	if (!LIST_ISEMPTY(&proxy->server_rules)) {
		ha_warning("parsing [%s:%d] : a '%s' rule placed after a 'use-server' rule will still be processed before.\n",
			   file, line, arg);
		return 1;
	}
	return 0;
}

/* report a warning if a redirect rule is dangerously placed */
int warnif_misplaced_redirect(struct proxy *proxy, const char *file, int line, const char *arg)
{
	return	warnif_rule_after_use_backend(proxy, file, line, arg) ||
		warnif_rule_after_use_server(proxy, file, line, arg);
}

/* report a warning if an http-request rule is dangerously placed */
int warnif_misplaced_http_req(struct proxy *proxy, const char *file, int line, const char *arg)
{
	return	warnif_rule_after_redirect(proxy, file, line, arg) ||
		warnif_misplaced_redirect(proxy, file, line, arg);
}

/* report a warning if a block rule is dangerously placed */
int warnif_misplaced_monitor(struct proxy *proxy, const char *file, int line, const char *arg)
{
	return	warnif_rule_after_http_req(proxy, file, line, arg) ||
		warnif_misplaced_http_req(proxy, file, line, arg);
}

/* report a warning if a "tcp request content" rule is dangerously placed */
int warnif_misplaced_tcp_cont(struct proxy *proxy, const char *file, int line, const char *arg)
{
	return	warnif_rule_after_monitor(proxy, file, line, arg) ||
		warnif_misplaced_monitor(proxy, file, line, arg);
}

/* report a warning if a "tcp request session" rule is dangerously placed */
int warnif_misplaced_tcp_sess(struct proxy *proxy, const char *file, int line, const char *arg)
{
	return	warnif_rule_after_tcp_cont(proxy, file, line, arg) ||
		warnif_misplaced_tcp_cont(proxy, file, line, arg);
}

/* report a warning if a "tcp request connection" rule is dangerously placed */
int warnif_misplaced_tcp_conn(struct proxy *proxy, const char *file, int line, const char *arg)
{
	return	warnif_rule_after_tcp_sess(proxy, file, line, arg) ||
		warnif_misplaced_tcp_sess(proxy, file, line, arg);
}

int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
{
	static struct proxy *curproxy = NULL;
	const char *err;
	char *error;
	int rc;
	unsigned val;
	int err_code = 0;
	struct acl_cond *cond = NULL;
	struct logsrv *tmplogsrv;
	char *errmsg = NULL;
	struct bind_conf *bind_conf;

	if (!strcmp(args[0], "listen"))
		rc = PR_CAP_LISTEN;
	else if (!strcmp(args[0], "frontend"))
		rc = PR_CAP_FE;
	else if (!strcmp(args[0], "backend"))
		rc = PR_CAP_BE;
	else
		rc = PR_CAP_NONE;

	if (rc != PR_CAP_NONE) {  /* new proxy */
		if (!*args[1]) {
			ha_alert("parsing [%s:%d] : '%s' expects an <id> argument and\n"
				 "  optionally supports [addr1]:port1[-end1]{,[addr]:port[-end]}...\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_ABORT;
			goto out;
		}

		err = invalid_char(args[1]);
		if (err) {
			ha_alert("parsing [%s:%d] : character '%c' is not permitted in '%s' name '%s'.\n",
				 file, linenum, *err, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
		}

		curproxy = (rc & PR_CAP_FE) ? proxy_fe_by_name(args[1]) : proxy_be_by_name(args[1]);
		if (curproxy) {
			ha_alert("Parsing [%s:%d]: %s '%s' has the same name as %s '%s' declared at %s:%d.\n",
				 file, linenum, proxy_cap_str(rc), args[1], proxy_type_str(curproxy),
				 curproxy->id, curproxy->conf.file, curproxy->conf.line);
				err_code |= ERR_ALERT | ERR_FATAL;
		}

		if ((curproxy = calloc(1, sizeof(*curproxy))) == NULL) {
			ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
			err_code |= ERR_ALERT | ERR_ABORT;
			goto out;
		}

		init_new_proxy(curproxy);
		curproxy->next = proxies_list;
		proxies_list = curproxy;
		curproxy->conf.args.file = curproxy->conf.file = strdup(file);
		curproxy->conf.args.line = curproxy->conf.line = linenum;
		curproxy->last_change = now.tv_sec;
		curproxy->id = strdup(args[1]);
		curproxy->cap = rc;
		proxy_store_name(curproxy);

		if (alertif_too_many_args(1, file, linenum, args, &err_code)) {
			if (curproxy->cap & PR_CAP_FE)
				ha_alert("parsing [%s:%d] : please use the 'bind' keyword for listening addresses.\n", file, linenum);
			goto out;
		}

		/* set default values */
		memcpy(&curproxy->defsrv, &defproxy.defsrv, sizeof(curproxy->defsrv));
		curproxy->defsrv.id = "default-server";

		curproxy->state = defproxy.state;
		curproxy->options = defproxy.options;
		curproxy->options2 = defproxy.options2;
		curproxy->no_options = defproxy.no_options;
		curproxy->no_options2 = defproxy.no_options2;
		curproxy->bind_proc = defproxy.bind_proc;
		curproxy->except_net = defproxy.except_net;
		curproxy->except_mask = defproxy.except_mask;
		curproxy->except_to = defproxy.except_to;
		curproxy->except_mask_to = defproxy.except_mask_to;
		curproxy->retry_type = defproxy.retry_type;

		if (defproxy.fwdfor_hdr_len) {
			curproxy->fwdfor_hdr_len  = defproxy.fwdfor_hdr_len;
			curproxy->fwdfor_hdr_name = strdup(defproxy.fwdfor_hdr_name);
		}

		if (defproxy.orgto_hdr_len) {
			curproxy->orgto_hdr_len  = defproxy.orgto_hdr_len;
			curproxy->orgto_hdr_name = strdup(defproxy.orgto_hdr_name);
		}

		if (defproxy.server_id_hdr_len) {
			curproxy->server_id_hdr_len  = defproxy.server_id_hdr_len;
			curproxy->server_id_hdr_name = strdup(defproxy.server_id_hdr_name);
		}

		/* initialize error relocations */
		if (!proxy_dup_default_conf_errors(curproxy, &defproxy, &errmsg)) {
			ha_alert("parsing [%s:%d] : proxy '%s' : %s\n", file, linenum, curproxy->id, errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (curproxy->cap & PR_CAP_FE) {
			curproxy->maxconn = defproxy.maxconn;
			curproxy->backlog = defproxy.backlog;
			curproxy->fe_sps_lim = defproxy.fe_sps_lim;

			curproxy->to_log = defproxy.to_log & ~LW_COOKIE & ~LW_REQHDR & ~ LW_RSPHDR;
			curproxy->max_out_conns = defproxy.max_out_conns;
		}

		if (curproxy->cap & PR_CAP_BE) {
			curproxy->lbprm.algo = defproxy.lbprm.algo;
			curproxy->lbprm.hash_balance_factor = defproxy.lbprm.hash_balance_factor;
			curproxy->fullconn = defproxy.fullconn;
			curproxy->conn_retries = defproxy.conn_retries;
			curproxy->redispatch_after = defproxy.redispatch_after;
			curproxy->max_ka_queue = defproxy.max_ka_queue;

			if (defproxy.check_req) {
				curproxy->check_req = calloc(1, defproxy.check_len);
				memcpy(curproxy->check_req, defproxy.check_req, defproxy.check_len);
			}
			curproxy->check_len = defproxy.check_len;

			if (defproxy.check_hdrs) {
				curproxy->check_hdrs = calloc(1, defproxy.check_hdrs_len);
				memcpy(curproxy->check_hdrs, defproxy.check_hdrs, defproxy.check_hdrs_len);
			}
			curproxy->check_hdrs_len = defproxy.check_hdrs_len;

			if (defproxy.check_body) {
				curproxy->check_body = calloc(1, defproxy.check_body_len);
				memcpy(curproxy->check_body, defproxy.check_body, defproxy.check_body_len);
			}
			curproxy->check_body_len = defproxy.check_body_len;

			curproxy->tcpcheck_rules.flags = (defproxy.tcpcheck_rules.flags | TCPCHK_RULES_DEF);
			curproxy->tcpcheck_rules.list  = defproxy.tcpcheck_rules.list;
			if (!LIST_ISEMPTY(&defproxy.tcpcheck_rules.preset_vars)) {
				if (!dup_tcpcheck_vars(&curproxy->tcpcheck_rules.preset_vars,
						       &defproxy.tcpcheck_rules.preset_vars)) {
					ha_alert("parsing [%s:%d] : failed to duplicate tcpcheck preset-vars\n",
						 file, linenum);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
			}

			if (defproxy.expect_str) {
				curproxy->expect_str = strdup(defproxy.expect_str);
				if (defproxy.expect_regex) {
					/* note: this regex is known to be valid */
					error = NULL;
					if (!(curproxy->expect_regex = regex_comp(defproxy.expect_str, 1, 1, &error))) {
						ha_alert("parsing [%s:%d] : regular expression '%s' : %s\n", file, linenum,
						         defproxy.expect_str, error);
						free(error);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
				}
			}

			curproxy->ck_opts = defproxy.ck_opts;
			if (defproxy.cookie_name)
				curproxy->cookie_name = strdup(defproxy.cookie_name);
			curproxy->cookie_len = defproxy.cookie_len;

			if (defproxy.dyncookie_key)
				curproxy->dyncookie_key = strdup(defproxy.dyncookie_key);
			if (defproxy.cookie_domain)
				curproxy->cookie_domain = strdup(defproxy.cookie_domain);

			if (defproxy.cookie_maxidle)
				curproxy->cookie_maxidle = defproxy.cookie_maxidle;

			if (defproxy.cookie_maxlife)
				curproxy->cookie_maxlife = defproxy.cookie_maxlife;

			if (defproxy.rdp_cookie_name)
				 curproxy->rdp_cookie_name = strdup(defproxy.rdp_cookie_name);
			curproxy->rdp_cookie_len = defproxy.rdp_cookie_len;

			if (defproxy.cookie_attrs)
				curproxy->cookie_attrs = strdup(defproxy.cookie_attrs);

			if (defproxy.lbprm.arg_str)
				curproxy->lbprm.arg_str = strdup(defproxy.lbprm.arg_str);
			curproxy->lbprm.arg_len  = defproxy.lbprm.arg_len;
			curproxy->lbprm.arg_opt1 = defproxy.lbprm.arg_opt1;
			curproxy->lbprm.arg_opt2 = defproxy.lbprm.arg_opt2;
			curproxy->lbprm.arg_opt3 = defproxy.lbprm.arg_opt3;

			if (defproxy.conn_src.iface_name)
				curproxy->conn_src.iface_name = strdup(defproxy.conn_src.iface_name);
			curproxy->conn_src.iface_len = defproxy.conn_src.iface_len;
			curproxy->conn_src.opts = defproxy.conn_src.opts;
#if defined(CONFIG_HAP_TRANSPARENT)
			curproxy->conn_src.tproxy_addr = defproxy.conn_src.tproxy_addr;
#endif
			curproxy->load_server_state_from_file = defproxy.load_server_state_from_file;
		}

		if (curproxy->cap & PR_CAP_FE) {
			if (defproxy.capture_name)
				curproxy->capture_name = strdup(defproxy.capture_name);
			curproxy->capture_namelen = defproxy.capture_namelen;
			curproxy->capture_len = defproxy.capture_len;
		}

		if (curproxy->cap & PR_CAP_FE) {
			curproxy->timeout.client = defproxy.timeout.client;
			curproxy->timeout.clientfin = defproxy.timeout.clientfin;
			curproxy->timeout.tarpit = defproxy.timeout.tarpit;
			curproxy->timeout.httpreq = defproxy.timeout.httpreq;
			curproxy->timeout.httpka = defproxy.timeout.httpka;
			curproxy->mon_net = defproxy.mon_net;
			curproxy->mon_mask = defproxy.mon_mask;
			if (defproxy.monitor_uri)
				curproxy->monitor_uri = strdup(defproxy.monitor_uri);
			curproxy->monitor_uri_len = defproxy.monitor_uri_len;
			if (defproxy.defbe.name)
				curproxy->defbe.name = strdup(defproxy.defbe.name);

			/* get either a pointer to the logformat string or a copy of it */
			curproxy->conf.logformat_string = defproxy.conf.logformat_string;
			if (curproxy->conf.logformat_string &&
			    curproxy->conf.logformat_string != default_http_log_format &&
			    curproxy->conf.logformat_string != default_tcp_log_format &&
			    curproxy->conf.logformat_string != clf_http_log_format)
				curproxy->conf.logformat_string = strdup(curproxy->conf.logformat_string);

			if (defproxy.conf.lfs_file) {
				curproxy->conf.lfs_file = strdup(defproxy.conf.lfs_file);
				curproxy->conf.lfs_line = defproxy.conf.lfs_line;
			}

			/* get either a pointer to the logformat string for RFC5424 structured-data or a copy of it */
			curproxy->conf.logformat_sd_string = defproxy.conf.logformat_sd_string;
			if (curproxy->conf.logformat_sd_string &&
			    curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
				curproxy->conf.logformat_sd_string = strdup(curproxy->conf.logformat_sd_string);

			if (defproxy.conf.lfsd_file) {
				curproxy->conf.lfsd_file = strdup(defproxy.conf.lfsd_file);
				curproxy->conf.lfsd_line = defproxy.conf.lfsd_line;
			}
		}

		if (curproxy->cap & PR_CAP_BE) {
			curproxy->timeout.connect = defproxy.timeout.connect;
			curproxy->timeout.server = defproxy.timeout.server;
			curproxy->timeout.serverfin = defproxy.timeout.serverfin;
			curproxy->timeout.check = defproxy.timeout.check;
			curproxy->timeout.queue = defproxy.timeout.queue;
			curproxy->timeout.tarpit = defproxy.timeout.tarpit;
			curproxy->timeout.httpreq = defproxy.timeout.httpreq;
			curproxy->timeout.httpka = defproxy.timeout.httpka;
			curproxy->timeout.tunnel = defproxy.timeout.tunnel;
			curproxy->conn_src.source_addr = defproxy.conn_src.source_addr;
		}

		curproxy->mode = defproxy.mode;
		curproxy->uri_auth = defproxy.uri_auth; /* for stats */

		/* copy default logsrvs to curproxy */
		list_for_each_entry(tmplogsrv, &defproxy.logsrvs, list) {
			struct logsrv *node = malloc(sizeof(*node));
			memcpy(node, tmplogsrv, sizeof(struct logsrv));
			node->ref = tmplogsrv->ref;
			LIST_INIT(&node->list);
			LIST_ADDQ(&curproxy->logsrvs, &node->list);
		}

		curproxy->conf.uniqueid_format_string = defproxy.conf.uniqueid_format_string;
		if (curproxy->conf.uniqueid_format_string)
			curproxy->conf.uniqueid_format_string = strdup(curproxy->conf.uniqueid_format_string);

		chunk_dup(&curproxy->log_tag, &defproxy.log_tag);

		if (defproxy.conf.uif_file) {
			curproxy->conf.uif_file = strdup(defproxy.conf.uif_file);
			curproxy->conf.uif_line = defproxy.conf.uif_line;
		}

		/* copy default header unique id */
		if (isttest(defproxy.header_unique_id)) {
			const struct ist copy = istdup(defproxy.header_unique_id);
			if (!isttest(copy)) {
				ha_alert("parsing [%s:%d] : failed to allocate memory for unique-id-header\n", file, linenum);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			curproxy->header_unique_id = copy;
		}

		/* default compression options */
		if (defproxy.comp != NULL) {
			curproxy->comp = calloc(1, sizeof(struct comp));
			curproxy->comp->algos = defproxy.comp->algos;
			curproxy->comp->types = defproxy.comp->types;
		}

		curproxy->grace  = defproxy.grace;
		curproxy->conf.used_listener_id = EB_ROOT;
		curproxy->conf.used_server_id = EB_ROOT;

		if (defproxy.check_path)
			curproxy->check_path = strdup(defproxy.check_path);
		if (defproxy.check_command)
			curproxy->check_command = strdup(defproxy.check_command);

		if (defproxy.email_alert.mailers.name)
			curproxy->email_alert.mailers.name = strdup(defproxy.email_alert.mailers.name);
		if (defproxy.email_alert.from)
			curproxy->email_alert.from = strdup(defproxy.email_alert.from);
		if (defproxy.email_alert.to)
			curproxy->email_alert.to = strdup(defproxy.email_alert.to);
		if (defproxy.email_alert.myhostname)
			curproxy->email_alert.myhostname = strdup(defproxy.email_alert.myhostname);
		curproxy->email_alert.level = defproxy.email_alert.level;
		curproxy->email_alert.set = defproxy.email_alert.set;

		goto out;
	}
	else if (!strcmp(args[0], "defaults")) {  /* use this one to assign default values */
		/* some variables may have already been initialized earlier */
		/* FIXME-20070101: we should do this too at the end of the
		 * config parsing to free all default values.
		 */
		if (alertif_too_many_args(1, file, linenum, args, &err_code)) {
			err_code |= ERR_ABORT;
			goto out;
		}

		free(defproxy.check_req);
		free(defproxy.check_command);
		free(defproxy.check_path);
		free(defproxy.cookie_name);
		free(defproxy.rdp_cookie_name);
		free(defproxy.dyncookie_key);
		free(defproxy.cookie_domain);
		free(defproxy.cookie_attrs);
		free(defproxy.lbprm.arg_str);
		free(defproxy.capture_name);
		free(defproxy.monitor_uri);
		free(defproxy.defbe.name);
		free(defproxy.conn_src.iface_name);
		free(defproxy.fwdfor_hdr_name);
		defproxy.fwdfor_hdr_len = 0;
		free(defproxy.orgto_hdr_name);
		defproxy.orgto_hdr_len = 0;
		free(defproxy.server_id_hdr_name);
		defproxy.server_id_hdr_len = 0;
		free(defproxy.expect_str);
		regex_free(defproxy.expect_regex);
		defproxy.expect_regex = NULL;

		if (defproxy.conf.logformat_string != default_http_log_format &&
		    defproxy.conf.logformat_string != default_tcp_log_format &&
		    defproxy.conf.logformat_string != clf_http_log_format)
			free(defproxy.conf.logformat_string);

		free(defproxy.conf.uniqueid_format_string);
		free(defproxy.conf.lfs_file);
		free(defproxy.conf.uif_file);
		chunk_destroy(&defproxy.log_tag);
		free_email_alert(&defproxy);

		if (defproxy.conf.logformat_sd_string != default_rfc5424_sd_log_format)
			free(defproxy.conf.logformat_sd_string);
		free(defproxy.conf.lfsd_file);

		proxy_release_conf_errors(&defproxy);

		deinit_proxy_tcpcheck(&defproxy);

		/* we cannot free uri_auth because it might already be used */
		init_default_instance();
		curproxy = &defproxy;
		curproxy->conf.args.file = curproxy->conf.file = strdup(file);
		curproxy->conf.args.line = curproxy->conf.line = linenum;
		defproxy.cap = PR_CAP_LISTEN; /* all caps for now */
		goto out;
	}
	else if (curproxy == NULL) {
		ha_alert("parsing [%s:%d] : 'listen' or 'defaults' expected.\n", file, linenum);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}

	/* update the current file and line being parsed */
	curproxy->conf.args.file = curproxy->conf.file;
	curproxy->conf.args.line = linenum;

	/* Now let's parse the proxy-specific keywords */
	if (!strcmp(args[0], "server")         ||
	    !strcmp(args[0], "default-server") ||
	    !strcmp(args[0], "server-template")) {
		err_code |= parse_server(file, linenum, args, curproxy, &defproxy, 1, 0);
		if (err_code & ERR_FATAL)
			goto out;
	}
	else if (!strcmp(args[0], "bind")) {  /* new listen addresses */
		struct listener *l;
		int cur_arg;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (!*(args[1])) {
			ha_alert("parsing [%s:%d] : '%s' expects {<path>|[addr1]:port1[-end1]}{,[addr]:port[-end]}... as arguments.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		bind_conf = bind_conf_alloc(curproxy, file, linenum, args[1], xprt_get(XPRT_RAW));

		/* use default settings for unix sockets */
		bind_conf->ux.uid  = global.unix_bind.ux.uid;
		bind_conf->ux.gid  = global.unix_bind.ux.gid;
		bind_conf->ux.mode = global.unix_bind.ux.mode;

		/* NOTE: the following line might create several listeners if there
		 * are comma-separated IPs or port ranges. So all further processing
		 * will have to be applied to all listeners created after last_listen.
		 */
		if (!str2listener(args[1], curproxy, bind_conf, file, linenum, &errmsg)) {
			if (errmsg && *errmsg) {
				indent_msg(&errmsg, 2);
				ha_alert("parsing [%s:%d] : '%s' : %s\n", file, linenum, args[0], errmsg);
			}
			else
				ha_alert("parsing [%s:%d] : '%s' : error encountered while parsing listening address '%s'.\n",
					 file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		list_for_each_entry(l, &bind_conf->listeners, by_bind) {
			/* Set default global rights and owner for unix bind  */
			global.maxsock++;
		}

		cur_arg = 2;
		while (*(args[cur_arg])) {
			static int bind_dumped;
			struct bind_kw *kw;
			char *err;

			kw = bind_find_kw(args[cur_arg]);
			if (kw) {
				char *err = NULL;
				int code;

				if (!kw->parse) {
					ha_alert("parsing [%s:%d] : '%s %s' : '%s' option is not implemented in this version (check build options).\n",
						 file, linenum, args[0], args[1], args[cur_arg]);
					cur_arg += 1 + kw->skip ;
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}

				code = kw->parse(args, cur_arg, curproxy, bind_conf, &err);
				err_code |= code;

				if (code) {
					if (err && *err) {
						indent_msg(&err, 2);
						if (((code & (ERR_WARN|ERR_ALERT)) == ERR_WARN))
							ha_warning("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], err);
						else
							ha_alert("parsing [%s:%d] : '%s %s' : %s\n", file, linenum, args[0], args[1], err);
					}
					else
						ha_alert("parsing [%s:%d] : '%s %s' : error encountered while processing '%s'.\n",
							 file, linenum, args[0], args[1], args[cur_arg]);
					if (code & ERR_FATAL) {
						free(err);
						cur_arg += 1 + kw->skip;
						goto out;
					}
				}
				free(err);
				cur_arg += 1 + kw->skip;
				continue;
			}

			err = NULL;
			if (!bind_dumped) {
				bind_dump_kws(&err);
				indent_msg(&err, 4);
				bind_dumped = 1;
			}

			ha_alert("parsing [%s:%d] : '%s %s' unknown keyword '%s'.%s%s\n",
				 file, linenum, args[0], args[1], args[cur_arg],
				 err ? " Registered keywords :" : "", err ? err : "");
			free(err);

			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		goto out;
	}
	else if (!strcmp(args[0], "monitor-net")) {  /* set the range of IPs to ignore */
		if (!*args[1] || !str2net(args[1], 1, &curproxy->mon_net, &curproxy->mon_mask)) {
			ha_alert("parsing [%s:%d] : '%s' expects address[/mask].\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		/* flush useless bits */
		curproxy->mon_net.s_addr &= curproxy->mon_mask.s_addr;
		goto out;
	}
	else if (!strcmp(args[0], "monitor-uri")) {  /* set the URI to intercept */
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;

		if (!*args[1]) {
			ha_alert("parsing [%s:%d] : '%s' expects an URI.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		free(curproxy->monitor_uri);
		curproxy->monitor_uri_len = strlen(args[1]);
		curproxy->monitor_uri = calloc(1, curproxy->monitor_uri_len + 1);
		memcpy(curproxy->monitor_uri, args[1], curproxy->monitor_uri_len);
		curproxy->monitor_uri[curproxy->monitor_uri_len] = '\0';

		goto out;
	}
	else if (!strcmp(args[0], "mode")) {  /* sets the proxy mode */
		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;

		if (!strcmp(args[1], "http")) curproxy->mode = PR_MODE_HTTP;
		else if (!strcmp(args[1], "tcp")) curproxy->mode = PR_MODE_TCP;
		else if (!strcmp(args[1], "health")) curproxy->mode = PR_MODE_HEALTH;
		else {
			ha_alert("parsing [%s:%d] : unknown proxy mode '%s'.\n", file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "id")) {
		struct eb32_node *node;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d]: '%s' not allowed in 'defaults' section.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;

		if (!*args[1]) {
			ha_alert("parsing [%s:%d]: '%s' expects an integer argument.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		curproxy->uuid = atol(args[1]);
		curproxy->conf.id.key = curproxy->uuid;
		curproxy->options |= PR_O_FORCED_ID;

		if (curproxy->uuid <= 0) {
			ha_alert("parsing [%s:%d]: custom id has to be > 0.\n",
				 file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		node = eb32_lookup(&used_proxy_id, curproxy->uuid);
		if (node) {
			struct proxy *target = container_of(node, struct proxy, conf.id);
			ha_alert("parsing [%s:%d]: %s %s reuses same custom id as %s %s (declared at %s:%d).\n",
				 file, linenum, proxy_type_str(curproxy), curproxy->id,
				 proxy_type_str(target), target->id, target->conf.file, target->conf.line);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		eb32_insert(&used_proxy_id, &curproxy->conf.id);
	}
	else if (!strcmp(args[0], "description")) {
		int i, len=0;
		char *d;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d]: '%s' not allowed in 'defaults' section.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (!*args[1]) {
			ha_alert("parsing [%s:%d]: '%s' expects a string argument.\n",
				 file, linenum, args[0]);
			return -1;
		}

		for (i = 1; *args[i]; i++)
			len += strlen(args[i]) + 1;

		d = calloc(1, len);
		curproxy->desc = d;

		d += snprintf(d, curproxy->desc + len - d, "%s", args[1]);
		for (i = 2; *args[i]; i++)
			d += snprintf(d, curproxy->desc + len - d, " %s", args[i]);

	}
	else if (!strcmp(args[0], "disabled")) {  /* disables this proxy */
		if (alertif_too_many_args(0, file, linenum, args, &err_code))
			goto out;
		curproxy->state = PR_STSTOPPED;
	}
	else if (!strcmp(args[0], "enabled")) {  /* enables this proxy (used to revert a disabled default) */
		if (alertif_too_many_args(0, file, linenum, args, &err_code))
			goto out;
		curproxy->state = PR_STNEW;
	}
	else if (!strcmp(args[0], "bind-process")) {  /* enable this proxy only on some processes */
		int cur_arg = 1;
		unsigned long set = 0;

		while (*args[cur_arg]) {
			if (strcmp(args[cur_arg], "all") == 0) {
				set = 0;
				break;
			}
			if (parse_process_number(args[cur_arg], &set, MAX_PROCS, NULL, &errmsg)) {
				ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			cur_arg++;
		}
		curproxy->bind_proc = set;
	}
	else if (!strcmp(args[0], "acl")) {  /* add an ACL */
		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		err = invalid_char(args[1]);
		if (err) {
			ha_alert("parsing [%s:%d] : character '%c' is not permitted in acl name '%s'.\n",
				 file, linenum, *err, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (strcasecmp(args[1], "or") == 0) {
			ha_alert("parsing [%s:%d] : acl name '%s' will never match. 'or' is used to express a "
				   "logical disjunction within a condition.\n",
				   file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (parse_acl((const char **)args + 1, &curproxy->acl, &errmsg, &curproxy->conf.args, file, linenum) == NULL) {
			ha_alert("parsing [%s:%d] : error detected while parsing ACL '%s' : %s.\n",
				 file, linenum, args[1], errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "dynamic-cookie-key")) { /* Dynamic cookies secret key */

		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects <secret_key> as argument.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		free(curproxy->dyncookie_key);
		curproxy->dyncookie_key = strdup(args[1]);
	}
	else if (!strcmp(args[0], "cookie")) {  /* cookie name */
		int cur_arg;

		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects <cookie_name> as argument.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		curproxy->ck_opts = 0;
		curproxy->cookie_maxidle = curproxy->cookie_maxlife = 0;
		free(curproxy->cookie_domain); curproxy->cookie_domain = NULL;
		free(curproxy->cookie_name);
		curproxy->cookie_name = strdup(args[1]);
		curproxy->cookie_len = strlen(curproxy->cookie_name);

		cur_arg = 2;
		while (*(args[cur_arg])) {
			if (!strcmp(args[cur_arg], "rewrite")) {
				curproxy->ck_opts |= PR_CK_RW;
			}
			else if (!strcmp(args[cur_arg], "indirect")) {
				curproxy->ck_opts |= PR_CK_IND;
			}
			else if (!strcmp(args[cur_arg], "insert")) {
				curproxy->ck_opts |= PR_CK_INS;
			}
			else if (!strcmp(args[cur_arg], "nocache")) {
				curproxy->ck_opts |= PR_CK_NOC;
			}
			else if (!strcmp(args[cur_arg], "postonly")) {
				curproxy->ck_opts |= PR_CK_POST;
			}
			else if (!strcmp(args[cur_arg], "preserve")) {
				curproxy->ck_opts |= PR_CK_PSV;
			}
			else if (!strcmp(args[cur_arg], "prefix")) {
				curproxy->ck_opts |= PR_CK_PFX;
			}
			else if (!strcmp(args[cur_arg], "httponly")) {
				curproxy->ck_opts |= PR_CK_HTTPONLY;
			}
			else if (!strcmp(args[cur_arg], "secure")) {
				curproxy->ck_opts |= PR_CK_SECURE;
			}
			else if (!strcmp(args[cur_arg], "domain")) {
				if (!*args[cur_arg + 1]) {
					ha_alert("parsing [%s:%d]: '%s' expects <domain> as argument.\n",
						 file, linenum, args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}

				if (!strchr(args[cur_arg + 1], '.')) {
					/* rfc6265, 5.2.3 The Domain Attribute */
					ha_warning("parsing [%s:%d]: domain '%s' contains no embedded dot,"
						   " this configuration may not work properly (see RFC6265#5.2.3).\n",
						   file, linenum, args[cur_arg + 1]);
					err_code |= ERR_WARN;
				}

				err = invalid_domainchar(args[cur_arg + 1]);
				if (err) {
					ha_alert("parsing [%s:%d]: character '%c' is not permitted in domain name '%s'.\n",
						 file, linenum, *err, args[cur_arg + 1]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}

				if (!curproxy->cookie_domain) {
					curproxy->cookie_domain = strdup(args[cur_arg + 1]);
				} else {
					/* one domain was already specified, add another one by
					 * building the string which will be returned along with
					 * the cookie.
					 */
					char *new_ptr;
					int new_len = strlen(curproxy->cookie_domain) +
						strlen("; domain=") + strlen(args[cur_arg + 1]) + 1;
					new_ptr = malloc(new_len);
					snprintf(new_ptr, new_len, "%s; domain=%s", curproxy->cookie_domain, args[cur_arg+1]);
					free(curproxy->cookie_domain);
					curproxy->cookie_domain = new_ptr;
				}
				cur_arg++;
			}
			else if (!strcmp(args[cur_arg], "maxidle")) {
				unsigned int maxidle;
				const char *res;

				if (!*args[cur_arg + 1]) {
					ha_alert("parsing [%s:%d]: '%s' expects <idletime> in seconds as argument.\n",
						 file, linenum, args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}

				res = parse_time_err(args[cur_arg + 1], &maxidle, TIME_UNIT_S);
				if (res == PARSE_TIME_OVER) {
					ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s>, maximum value is 2147483647 s (~68 years).\n",
						 file, linenum, args[cur_arg+1], args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				else if (res == PARSE_TIME_UNDER) {
					ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s>, minimum non-null value is 1 s.\n",
						 file, linenum, args[cur_arg+1], args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				else if (res) {
					ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
						 file, linenum, *res, args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				curproxy->cookie_maxidle = maxidle;
				cur_arg++;
			}
			else if (!strcmp(args[cur_arg], "maxlife")) {
				unsigned int maxlife;
				const char *res;

				if (!*args[cur_arg + 1]) {
					ha_alert("parsing [%s:%d]: '%s' expects <lifetime> in seconds as argument.\n",
						 file, linenum, args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}


				res = parse_time_err(args[cur_arg + 1], &maxlife, TIME_UNIT_S);
				if (res == PARSE_TIME_OVER) {
					ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to <%s>, maximum value is 2147483647 s (~68 years).\n",
						 file, linenum, args[cur_arg+1], args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				else if (res == PARSE_TIME_UNDER) {
					ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to <%s>, minimum non-null value is 1 s.\n",
						 file, linenum, args[cur_arg+1], args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				else if (res) {
					ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to <%s>.\n",
						 file, linenum, *res, args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				curproxy->cookie_maxlife = maxlife;
				cur_arg++;
			}
			else if (!strcmp(args[cur_arg], "dynamic")) { /* Dynamic persistent cookies secret key */

				if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[cur_arg], NULL))
					err_code |= ERR_WARN;
				curproxy->ck_opts |= PR_CK_DYNAMIC;
			}
			else if (!strcmp(args[cur_arg], "attr")) {
				char *val;
				if (!*args[cur_arg + 1]) {
					ha_alert("parsing [%s:%d]: '%s' expects <value> as argument.\n",
						 file, linenum, args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				val = args[cur_arg + 1];
				while (*val) {
					if (iscntrl((unsigned char)*val) || *val == ';') {
						ha_alert("parsing [%s:%d]: character '%%x%02X' is not permitted in attribute value.\n",
							 file, linenum, *val);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					val++;
				}
				/* don't add ';' for the first attribute */
				if (!curproxy->cookie_attrs)
					curproxy->cookie_attrs = strdup(args[cur_arg + 1]);
				else
					memprintf(&curproxy->cookie_attrs, "%s; %s", curproxy->cookie_attrs, args[cur_arg + 1]);
				cur_arg++;
			}

			else {
				ha_alert("parsing [%s:%d] : '%s' supports 'rewrite', 'insert', 'prefix', 'indirect', 'nocache', 'postonly', 'domain', 'maxidle', 'dynamic', 'maxlife' and 'attr' options.\n",
					 file, linenum, args[0]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			cur_arg++;
		}
		if (!POWEROF2(curproxy->ck_opts & (PR_CK_RW|PR_CK_IND))) {
			ha_alert("parsing [%s:%d] : cookie 'rewrite' and 'indirect' modes are incompatible.\n",
				 file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
		}

		if (!POWEROF2(curproxy->ck_opts & (PR_CK_RW|PR_CK_INS|PR_CK_PFX))) {
			ha_alert("parsing [%s:%d] : cookie 'rewrite', 'insert' and 'prefix' modes are incompatible.\n",
				 file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
		}

		if ((curproxy->ck_opts & (PR_CK_PSV | PR_CK_INS | PR_CK_IND)) == PR_CK_PSV) {
			ha_alert("parsing [%s:%d] : cookie 'preserve' requires at least 'insert' or 'indirect'.\n",
				 file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
		}
	}/* end else if (!strcmp(args[0], "cookie"))  */
	else if (!strcmp(args[0], "email-alert")) {
		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
                }

		if (!strcmp(args[1], "from")) {
			if (*(args[1]) == 0) {
				ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
					 file, linenum, args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			free(curproxy->email_alert.from);
			curproxy->email_alert.from = strdup(args[2]);
		}
		else if (!strcmp(args[1], "mailers")) {
			if (*(args[1]) == 0) {
				ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
					 file, linenum, args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			free(curproxy->email_alert.mailers.name);
			curproxy->email_alert.mailers.name = strdup(args[2]);
		}
		else if (!strcmp(args[1], "myhostname")) {
			if (*(args[1]) == 0) {
				ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
					 file, linenum, args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			free(curproxy->email_alert.myhostname);
			curproxy->email_alert.myhostname = strdup(args[2]);
		}
		else if (!strcmp(args[1], "level")) {
			curproxy->email_alert.level = get_log_level(args[2]);
			if (curproxy->email_alert.level < 0) {
				ha_alert("parsing [%s:%d] : unknown log level '%s' after '%s'\n",
					 file, linenum, args[1], args[2]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
		}
		else if (!strcmp(args[1], "to")) {
			if (*(args[1]) == 0) {
				ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
					 file, linenum, args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			free(curproxy->email_alert.to);
			curproxy->email_alert.to = strdup(args[2]);
		}
		else {
			ha_alert("parsing [%s:%d] : email-alert: unknown argument '%s'.\n",
				 file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		/* Indicate that the email_alert is at least partially configured */
		curproxy->email_alert.set = 1;
	}/* end else if (!strcmp(args[0], "email-alert"))  */
	else if (!strcmp(args[0], "external-check")) {
		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
                }

		if (!strcmp(args[1], "command")) {
			if (alertif_too_many_args(2, file, linenum, args, &err_code))
				goto out;
			if (*(args[2]) == 0) {
				ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
					 file, linenum, args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			free(curproxy->check_command);
			curproxy->check_command = strdup(args[2]);
		}
		else if (!strcmp(args[1], "path")) {
			if (alertif_too_many_args(2, file, linenum, args, &err_code))
				goto out;
			if (*(args[2]) == 0) {
				ha_alert("parsing [%s:%d] : missing argument after '%s'.\n",
					 file, linenum, args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			free(curproxy->check_path);
			curproxy->check_path = strdup(args[2]);
		}
		else {
			ha_alert("parsing [%s:%d] : external-check: unknown argument '%s'.\n",
				 file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}/* end else if (!strcmp(args[0], "external-check"))  */
	else if (!strcmp(args[0], "persist")) {  /* persist */
		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : missing persist method.\n",
				 file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
                }

		if (!strncmp(args[1], "rdp-cookie", 10)) {
			curproxy->options2 |= PR_O2_RDPC_PRST;

	                if (*(args[1] + 10) == '(') { /* cookie name */
				const char *beg, *end;

				beg = args[1] + 11;
				end = strchr(beg, ')');

				if (alertif_too_many_args(1, file, linenum, args, &err_code))
					goto out;

				if (!end || end == beg) {
					ha_alert("parsing [%s:%d] : persist rdp-cookie(name)' requires an rdp cookie name.\n",
						 file, linenum);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}

				free(curproxy->rdp_cookie_name);
				curproxy->rdp_cookie_name = my_strndup(beg, end - beg);
				curproxy->rdp_cookie_len = end-beg;
			}
			else if (*(args[1] + 10) == '\0') { /* default cookie name 'msts' */
				free(curproxy->rdp_cookie_name);
				curproxy->rdp_cookie_name = strdup("msts");
				curproxy->rdp_cookie_len = strlen(curproxy->rdp_cookie_name);
			}
			else { /* syntax */
				ha_alert("parsing [%s:%d] : persist rdp-cookie(name)' requires an rdp cookie name.\n",
					 file, linenum);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
		}
		else {
			ha_alert("parsing [%s:%d] : unknown persist method.\n",
				 file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "appsession")) {  /* cookie name */
		ha_alert("parsing [%s:%d] : '%s' is not supported anymore since HAProxy 1.6.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "load-server-state-from-file")) {
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;
		if (!strcmp(args[1], "global")) {  /* use the file pointed to by global server-state-file directive */
			curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_GLOBAL;
		}
		else if (!strcmp(args[1], "local")) { /* use the server-state-file-name variable to locate the server-state file */
			curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_LOCAL;
		}
		else if (!strcmp(args[1], "none")) {  /* don't use server-state-file directive for this backend */
			curproxy->load_server_state_from_file = PR_SRV_STATE_FILE_NONE;
		}
		else {
			ha_alert("parsing [%s:%d] : '%s' expects 'global', 'local' or 'none'. Got '%s'\n",
				 file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "server-state-file-name")) {
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;
		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects 'use-backend-name' or a string. Got no argument\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		else if (!strcmp(args[1], "use-backend-name"))
			curproxy->server_state_file_name = strdup(curproxy->id);
		else
			curproxy->server_state_file_name = strdup(args[1]);
	}
	else if (!strcmp(args[0], "max-session-srv-conns")) {
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;
		if (*(args[1]) == 0) {
			ha_alert("parsine [%s:%d] : '%s' expects a number. Got no argument\n",
			    file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		curproxy->max_out_conns = atoi(args[1]);
	}
	else if (!strcmp(args[0], "capture")) {
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (!strcmp(args[1], "cookie")) {  /* name of a cookie to capture */
			if (curproxy == &defproxy) {
				ha_alert("parsing [%s:%d] : '%s %s' not allowed in 'defaults' section.\n", file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			if (alertif_too_many_args_idx(4, 1, file, linenum, args, &err_code))
				goto out;

			if (*(args[4]) == 0) {
				ha_alert("parsing [%s:%d] : '%s' expects 'cookie' <cookie_name> 'len' <len>.\n",
					 file, linenum, args[0]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			free(curproxy->capture_name);
			curproxy->capture_name = strdup(args[2]);
			curproxy->capture_namelen = strlen(curproxy->capture_name);
			curproxy->capture_len = atol(args[4]);
			curproxy->to_log |= LW_COOKIE;
		}
		else if (!strcmp(args[1], "request") && !strcmp(args[2], "header")) {
			struct cap_hdr *hdr;

			if (curproxy == &defproxy) {
				ha_alert("parsing [%s:%d] : '%s %s' not allowed in 'defaults' section.\n", file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			if (alertif_too_many_args_idx(4, 1, file, linenum, args, &err_code))
				goto out;

			if (*(args[3]) == 0 || strcmp(args[4], "len") != 0 || *(args[5]) == 0) {
				ha_alert("parsing [%s:%d] : '%s %s' expects 'header' <header_name> 'len' <len>.\n",
					 file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			hdr = calloc(1, sizeof(*hdr));
			hdr->next = curproxy->req_cap;
			hdr->name = strdup(args[3]);
			hdr->namelen = strlen(args[3]);
			hdr->len = atol(args[5]);
			hdr->pool = create_pool("caphdr", hdr->len + 1, MEM_F_SHARED);
			hdr->index = curproxy->nb_req_cap++;
			curproxy->req_cap = hdr;
			curproxy->to_log |= LW_REQHDR;
		}
		else if (!strcmp(args[1], "response") && !strcmp(args[2], "header")) {
			struct cap_hdr *hdr;

			if (curproxy == &defproxy) {
				ha_alert("parsing [%s:%d] : '%s %s' not allowed in 'defaults' section.\n", file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			if (alertif_too_many_args_idx(4, 1, file, linenum, args, &err_code))
				goto out;

			if (*(args[3]) == 0 || strcmp(args[4], "len") != 0 || *(args[5]) == 0) {
				ha_alert("parsing [%s:%d] : '%s %s' expects 'header' <header_name> 'len' <len>.\n",
					 file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			hdr = calloc(1, sizeof(*hdr));
			hdr->next = curproxy->rsp_cap;
			hdr->name = strdup(args[3]);
			hdr->namelen = strlen(args[3]);
			hdr->len = atol(args[5]);
			hdr->pool = create_pool("caphdr", hdr->len + 1, MEM_F_SHARED);
			hdr->index = curproxy->nb_rsp_cap++;
			curproxy->rsp_cap = hdr;
			curproxy->to_log |= LW_RSPHDR;
		}
		else {
			ha_alert("parsing [%s:%d] : '%s' expects 'cookie' or 'request header' or 'response header'.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "retries")) {  /* connection retries */
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects an integer argument (dispatch counts for one).\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		curproxy->conn_retries = atol(args[1]);
	}
	else if (!strcmp(args[0], "http-request")) {	/* request access control: allow/deny/auth */
		struct act_rule *rule;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d]: '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (!LIST_ISEMPTY(&curproxy->http_req_rules) &&
		    !LIST_PREV(&curproxy->http_req_rules, struct act_rule *, list)->cond &&
		    (LIST_PREV(&curproxy->http_req_rules, struct act_rule *, list)->flags & ACT_FLAG_FINAL)) {
			ha_warning("parsing [%s:%d]: previous '%s' action is final and has no condition attached, further entries are NOOP.\n",
				   file, linenum, args[0]);
			err_code |= ERR_WARN;
		}

		rule = parse_http_req_cond((const char **)args + 1, file, linenum, curproxy);

		if (!rule) {
			err_code |= ERR_ALERT | ERR_ABORT;
			goto out;
		}

		err_code |= warnif_misplaced_http_req(curproxy, file, linenum, args[0]);
		err_code |= warnif_cond_conflicts(rule->cond,
	                                          (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR,
	                                          file, linenum);

		LIST_ADDQ(&curproxy->http_req_rules, &rule->list);
	}
	else if (!strcmp(args[0], "http-response")) {	/* response access control */
		struct act_rule *rule;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d]: '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (!LIST_ISEMPTY(&curproxy->http_res_rules) &&
		    !LIST_PREV(&curproxy->http_res_rules, struct act_rule *, list)->cond &&
		    (LIST_PREV(&curproxy->http_res_rules, struct act_rule *, list)->flags & ACT_FLAG_FINAL)) {
			ha_warning("parsing [%s:%d]: previous '%s' action is final and has no condition attached, further entries are NOOP.\n",
				   file, linenum, args[0]);
			err_code |= ERR_WARN;
		}

		rule = parse_http_res_cond((const char **)args + 1, file, linenum, curproxy);

		if (!rule) {
			err_code |= ERR_ALERT | ERR_ABORT;
			goto out;
		}

		err_code |= warnif_cond_conflicts(rule->cond,
	                                          (curproxy->cap & PR_CAP_BE) ? SMP_VAL_BE_HRS_HDR : SMP_VAL_FE_HRS_HDR,
	                                          file, linenum);

		LIST_ADDQ(&curproxy->http_res_rules, &rule->list);
	}
	else if (!strcmp(args[0], "http-after-response")) {
		struct act_rule *rule;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d]: '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (!LIST_ISEMPTY(&curproxy->http_after_res_rules) &&
		    !LIST_PREV(&curproxy->http_after_res_rules, struct act_rule *, list)->cond &&
		    (LIST_PREV(&curproxy->http_after_res_rules, struct act_rule *, list)->flags & ACT_FLAG_FINAL)) {
			ha_warning("parsing [%s:%d]: previous '%s' action is final and has no condition attached, further entries are NOOP.\n",
				   file, linenum, args[0]);
			err_code |= ERR_WARN;
		}

		rule = parse_http_after_res_cond((const char **)args + 1, file, linenum, curproxy);

		if (!rule) {
			err_code |= ERR_ALERT | ERR_ABORT;
			goto out;
		}

		err_code |= warnif_cond_conflicts(rule->cond,
	                                          (curproxy->cap & PR_CAP_BE) ? SMP_VAL_BE_HRS_HDR : SMP_VAL_FE_HRS_HDR,
	                                          file, linenum);

		LIST_ADDQ(&curproxy->http_after_res_rules, &rule->list);
	}
	else if (!strcmp(args[0], "http-send-name-header")) { /* send server name in request header */
		/* set the header name and length into the proxy structure */
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (!*args[1]) {
			ha_alert("parsing [%s:%d] : '%s' requires a header string.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		/* set the desired header name, in lower case */
		free(curproxy->server_id_hdr_name);
		curproxy->server_id_hdr_name = strdup(args[1]);
		curproxy->server_id_hdr_len  = strlen(curproxy->server_id_hdr_name);
		ist2bin_lc(curproxy->server_id_hdr_name, ist2(curproxy->server_id_hdr_name, curproxy->server_id_hdr_len));
	}
	else if (!strcmp(args[0], "block")) {
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. Use 'http-request deny' which uses the exact same syntax.\n", file, linenum, args[0]);

		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "redirect")) {
		struct redirect_rule *rule;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if ((rule = http_parse_redirect_rule(file, linenum, curproxy, (const char **)args + 1, &errmsg, 0, 0)) == NULL) {
			ha_alert("parsing [%s:%d] : error detected in %s '%s' while parsing redirect rule : %s.\n",
				 file, linenum, proxy_type_str(curproxy), curproxy->id, errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		LIST_ADDQ(&curproxy->redirect_rules, &rule->list);
		err_code |= warnif_misplaced_redirect(curproxy, file, linenum, args[0]);
		err_code |= warnif_cond_conflicts(rule->cond,
	                                          (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR,
	                                          file, linenum);
	}
	else if (!strcmp(args[0], "use_backend")) {
		struct switching_rule *rule;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects a backend name.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (strcmp(args[2], "if") == 0 || strcmp(args[2], "unless") == 0) {
			if ((cond = build_acl_cond(file, linenum, &curproxy->acl, curproxy, (const char **)args + 2, &errmsg)) == NULL) {
				ha_alert("parsing [%s:%d] : error detected while parsing switching rule : %s.\n",
					 file, linenum, errmsg);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			err_code |= warnif_cond_conflicts(cond, SMP_VAL_FE_SET_BCK, file, linenum);
		}
		else if (*args[2]) {
			ha_alert("parsing [%s:%d] : unexpected keyword '%s' after switching rule, only 'if' and 'unless' are allowed.\n",
				 file, linenum, args[2]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		rule = calloc(1, sizeof(*rule));
		if (!rule) {
			ha_alert("Out of memory error.\n");
			goto out;
		}
		rule->cond = cond;
		rule->be.name = strdup(args[1]);
		rule->line = linenum;
		rule->file = strdup(file);
		if (!rule->file) {
			ha_alert("Out of memory error.\n");
			goto out;
		}
		LIST_INIT(&rule->list);
		LIST_ADDQ(&curproxy->switching_rules, &rule->list);
	}
	else if (strcmp(args[0], "use-server") == 0) {
		struct server_rule *rule;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects a server name.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (strcmp(args[2], "if") != 0 && strcmp(args[2], "unless") != 0) {
			ha_alert("parsing [%s:%d] : '%s' requires either 'if' or 'unless' followed by a condition.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if ((cond = build_acl_cond(file, linenum, &curproxy->acl, curproxy, (const char **)args + 2, &errmsg)) == NULL) {
			ha_alert("parsing [%s:%d] : error detected while parsing switching rule : %s.\n",
				 file, linenum, errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		err_code |= warnif_cond_conflicts(cond, SMP_VAL_BE_SET_SRV, file, linenum);

		rule = calloc(1, sizeof(*rule));
		rule->cond = cond;
		rule->srv.name = strdup(args[1]);
		rule->line = linenum;
		rule->file = strdup(file);
		LIST_INIT(&rule->list);
		LIST_ADDQ(&curproxy->server_rules, &rule->list);
		curproxy->be_req_ana |= AN_REQ_SRV_RULES;
	}
	else if ((!strcmp(args[0], "force-persist")) ||
		 (!strcmp(args[0], "ignore-persist"))) {
		struct persist_rule *rule;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (strcmp(args[1], "if") != 0 && strcmp(args[1], "unless") != 0) {
			ha_alert("parsing [%s:%d] : '%s' requires either 'if' or 'unless' followed by a condition.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if ((cond = build_acl_cond(file, linenum, &curproxy->acl, curproxy, (const char **)args + 1, &errmsg)) == NULL) {
			ha_alert("parsing [%s:%d] : error detected while parsing a '%s' rule : %s.\n",
				 file, linenum, args[0], errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		/* note: BE_REQ_CNT is the first one after FE_SET_BCK, which is
		 * where force-persist is applied.
		 */
		err_code |= warnif_cond_conflicts(cond, SMP_VAL_BE_REQ_CNT, file, linenum);

		rule = calloc(1, sizeof(*rule));
		rule->cond = cond;
		if (!strcmp(args[0], "force-persist")) {
			rule->type = PERSIST_TYPE_FORCE;
		} else {
			rule->type = PERSIST_TYPE_IGNORE;
		}
		LIST_INIT(&rule->list);
		LIST_ADDQ(&curproxy->persist_rules, &rule->list);
	}
	else if (!strcmp(args[0], "stick-table")) {
		struct stktable *other;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : 'stick-table' is not supported in 'defaults' section.\n",
				 file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		other = stktable_find_by_name(curproxy->id);
		if (other) {
			ha_alert("parsing [%s:%d] : stick-table name '%s' conflicts with table declared in %s '%s' at %s:%d.\n",
				 file, linenum, curproxy->id,
				 other->proxy ? proxy_cap_str(other->proxy->cap) : "peers",
				 other->proxy ? other->id : other->peers.p->id,
				 other->conf.file, other->conf.line);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		curproxy->table = calloc(1, sizeof *curproxy->table);
		if (!curproxy->table) {
			ha_alert("parsing [%s:%d]: '%s %s' : memory allocation failed\n",
			         file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		err_code |= parse_stick_table(file, linenum, args, curproxy->table,
		                              curproxy->id, curproxy->id, NULL);
		if (err_code & ERR_FATAL)
			goto out;

		/* Store the proxy in the stick-table. */
		curproxy->table->proxy = curproxy;

		stktable_store_name(curproxy->table);
		curproxy->table->next = stktables_list;
		stktables_list = curproxy->table;

		/* Add this proxy to the list of proxies which refer to its stick-table. */
		if (curproxy->table->proxies_list != curproxy) {
			curproxy->next_stkt_ref = curproxy->table->proxies_list;
			curproxy->table->proxies_list = curproxy;
		}
	}
	else if (!strcmp(args[0], "stick")) {
		struct sticking_rule *rule;
		struct sample_expr *expr;
		int myidx = 0;
		const char *name = NULL;
		int flags;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL)) {
			err_code |= ERR_WARN;
			goto out;
		}

		myidx++;
		if ((strcmp(args[myidx], "store") == 0) ||
		    (strcmp(args[myidx], "store-request") == 0)) {
			myidx++;
			flags = STK_IS_STORE;
		}
		else if (strcmp(args[myidx], "store-response") == 0) {
			myidx++;
			flags = STK_IS_STORE | STK_ON_RSP;
		}
		else if (strcmp(args[myidx], "match") == 0) {
			myidx++;
			flags = STK_IS_MATCH;
		}
		else if (strcmp(args[myidx], "on") == 0) {
			myidx++;
			flags = STK_IS_MATCH | STK_IS_STORE;
		}
		else {
			ha_alert("parsing [%s:%d] : '%s' expects 'on', 'match', or 'store'.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (*(args[myidx]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects a fetch method.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		curproxy->conf.args.ctx = ARGC_STK;
		expr = sample_parse_expr(args, &myidx, file, linenum, &errmsg, &curproxy->conf.args, NULL);
		if (!expr) {
			ha_alert("parsing [%s:%d] : '%s': %s\n", file, linenum, args[0], errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (flags & STK_ON_RSP) {
			if (!(expr->fetch->val & SMP_VAL_BE_STO_RUL)) {
				ha_alert("parsing [%s:%d] : '%s': fetch method '%s' extracts information from '%s', none of which is available for 'store-response'.\n",
					 file, linenum, args[0], expr->fetch->kw, sample_src_names(expr->fetch->use));
		                err_code |= ERR_ALERT | ERR_FATAL;
				free(expr);
			        goto out;
			}
		} else {
			if (!(expr->fetch->val & SMP_VAL_BE_SET_SRV)) {
				ha_alert("parsing [%s:%d] : '%s': fetch method '%s' extracts information from '%s', none of which is available during request.\n",
					 file, linenum, args[0], expr->fetch->kw, sample_src_names(expr->fetch->use));
				err_code |= ERR_ALERT | ERR_FATAL;
				free(expr);
				goto out;
			}
		}

		/* check if we need to allocate an http_txn struct for HTTP parsing */
		curproxy->http_needed |= !!(expr->fetch->use & SMP_USE_HTTP_ANY);

		if (strcmp(args[myidx], "table") == 0) {
			myidx++;
			name = args[myidx++];
		}

		if (strcmp(args[myidx], "if") == 0 || strcmp(args[myidx], "unless") == 0) {
			if ((cond = build_acl_cond(file, linenum, &curproxy->acl, curproxy, (const char **)args + myidx, &errmsg)) == NULL) {
				ha_alert("parsing [%s:%d] : '%s': error detected while parsing sticking condition : %s.\n",
					 file, linenum, args[0], errmsg);
				err_code |= ERR_ALERT | ERR_FATAL;
				free(expr);
				goto out;
			}
		}
		else if (*(args[myidx])) {
			ha_alert("parsing [%s:%d] : '%s': unknown keyword '%s'.\n",
				 file, linenum, args[0], args[myidx]);
			err_code |= ERR_ALERT | ERR_FATAL;
			free(expr);
			goto out;
		}
		if (flags & STK_ON_RSP)
			err_code |= warnif_cond_conflicts(cond, SMP_VAL_BE_STO_RUL, file, linenum);
		else
			err_code |= warnif_cond_conflicts(cond, SMP_VAL_BE_SET_SRV, file, linenum);

		rule = calloc(1, sizeof(*rule));
		rule->cond = cond;
		rule->expr = expr;
		rule->flags = flags;
		rule->table.name = name ? strdup(name) : NULL;
		LIST_INIT(&rule->list);
		if (flags & STK_ON_RSP)
			LIST_ADDQ(&curproxy->storersp_rules, &rule->list);
		else
			LIST_ADDQ(&curproxy->sticking_rules, &rule->list);
	}
	else if (!strcmp(args[0], "stats")) {
		if (curproxy != &defproxy && curproxy->uri_auth == defproxy.uri_auth)
			curproxy->uri_auth = NULL; /* we must detach from the default config */

		if (!*args[1]) {
			goto stats_error_parsing;
		} else if (!strcmp(args[1], "admin")) {
			struct stats_admin_rule *rule;

			if (curproxy == &defproxy) {
				ha_alert("parsing [%s:%d]: '%s %s' not allowed in 'defaults' section.\n", file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			if (!stats_check_init_uri_auth(&curproxy->uri_auth)) {
				ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}

			if (strcmp(args[2], "if") != 0 && strcmp(args[2], "unless") != 0) {
				ha_alert("parsing [%s:%d] : '%s %s' requires either 'if' or 'unless' followed by a condition.\n",
					 file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			if ((cond = build_acl_cond(file, linenum, &curproxy->acl, curproxy, (const char **)args + 2, &errmsg)) == NULL) {
				ha_alert("parsing [%s:%d] : error detected while parsing a '%s %s' rule : %s.\n",
					 file, linenum, args[0], args[1], errmsg);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			err_code |= warnif_cond_conflicts(cond,
			                                  (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR,
			                                  file, linenum);

			rule = calloc(1, sizeof(*rule));
			rule->cond = cond;
			LIST_INIT(&rule->list);
			LIST_ADDQ(&curproxy->uri_auth->admin_rules, &rule->list);
		} else if (!strcmp(args[1], "uri")) {
			if (*(args[2]) == 0) {
				ha_alert("parsing [%s:%d] : 'uri' needs an URI prefix.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			} else if (!stats_set_uri(&curproxy->uri_auth, args[2])) {
				ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "realm")) {
			if (*(args[2]) == 0) {
				ha_alert("parsing [%s:%d] : 'realm' needs an realm name.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			} else if (!stats_set_realm(&curproxy->uri_auth, args[2])) {
				ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "refresh")) {
			unsigned interval;

			err = parse_time_err(args[2], &interval, TIME_UNIT_S);
			if (err == PARSE_TIME_OVER) {
				ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to stats refresh interval, maximum value is 2147483647 s (~68 years).\n",
					 file, linenum, args[2]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			else if (err == PARSE_TIME_UNDER) {
				ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to stats refresh interval, minimum non-null value is 1 s.\n",
					 file, linenum, args[2]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			else if (err) {
				ha_alert("parsing [%s:%d]: unexpected character '%c' in argument to stats refresh interval.\n",
					 file, linenum, *err);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			} else if (!stats_set_refresh(&curproxy->uri_auth, interval)) {
				ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "http-request")) {    /* request access control: allow/deny/auth */
			struct act_rule *rule;

			if (curproxy == &defproxy) {
				ha_alert("parsing [%s:%d]: '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			if (!stats_check_init_uri_auth(&curproxy->uri_auth)) {
				ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}

			if (!LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
			    !LIST_PREV(&curproxy->uri_auth->http_req_rules, struct act_rule *, list)->cond) {
				ha_warning("parsing [%s:%d]: previous '%s' action has no condition attached, further entries are NOOP.\n",
					   file, linenum, args[0]);
				err_code |= ERR_WARN;
			}

			rule = parse_http_req_cond((const char **)args + 2, file, linenum, curproxy);

			if (!rule) {
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}

			err_code |= warnif_cond_conflicts(rule->cond,
			                                  (curproxy->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR,
			                                  file, linenum);
			LIST_ADDQ(&curproxy->uri_auth->http_req_rules, &rule->list);

		} else if (!strcmp(args[1], "auth")) {
			if (*(args[2]) == 0) {
				ha_alert("parsing [%s:%d] : 'auth' needs a user:password account.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			} else if (!stats_add_auth(&curproxy->uri_auth, args[2])) {
				ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "scope")) {
			if (*(args[2]) == 0) {
				ha_alert("parsing [%s:%d] : 'scope' needs a proxy name.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			} else if (!stats_add_scope(&curproxy->uri_auth, args[2])) {
				ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "enable")) {
			if (!stats_check_init_uri_auth(&curproxy->uri_auth)) {
				ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "hide-version")) {
			if (!stats_set_flag(&curproxy->uri_auth, STAT_HIDEVER)) {
				ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "show-legends")) {
			if (!stats_set_flag(&curproxy->uri_auth, STAT_SHLGNDS)) {
				ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "show-node")) {

			if (*args[2]) {
				int i;
				char c;

				for (i=0; args[2][i]; i++) {
					c = args[2][i];
					if (!isupper((unsigned char)c) && !islower((unsigned char)c) &&
					    !isdigit((unsigned char)c) && c != '_' && c != '-' && c != '.')
						break;
				}

				if (!i || args[2][i]) {
					ha_alert("parsing [%s:%d]: '%s %s' invalid node name - should be a string"
						 "with digits(0-9), letters(A-Z, a-z), hyphen(-) or underscode(_).\n",
						 file, linenum, args[0], args[1]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
			}

			if (!stats_set_node(&curproxy->uri_auth, args[2])) {
				ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_ABORT;
				goto out;
			}
		} else if (!strcmp(args[1], "show-desc")) {
			char *desc = NULL;

			if (*args[2]) {
				int i, len=0;
				char *d;

				for (i = 2; *args[i]; i++)
					len += strlen(args[i]) + 1;

				desc = d = calloc(1, len);

				d += snprintf(d, desc + len - d, "%s", args[2]);
				for (i = 3; *args[i]; i++)
					d += snprintf(d, desc + len - d, " %s", args[i]);
			}

			if (!*args[2] && !global.desc)
				ha_warning("parsing [%s:%d]: '%s' requires a parameter or 'desc' to be set in the global section.\n",
					   file, linenum, args[1]);
			else {
				if (!stats_set_desc(&curproxy->uri_auth, desc)) {
					free(desc);
					ha_alert("parsing [%s:%d]: out of memory.\n", file, linenum);
					err_code |= ERR_ALERT | ERR_ABORT;
					goto out;
				}
				free(desc);
			}
		} else {
stats_error_parsing:
			ha_alert("parsing [%s:%d]: %s '%s', expects 'admin', 'uri', 'realm', 'auth', 'scope', 'enable', 'hide-version', 'show-node', 'show-desc' or 'show-legends'.\n",
				 file, linenum, *args[1]?"unknown stats parameter":"missing keyword in", args[*args[1]?1:0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "option")) {
		int optnum;

		if (*(args[1]) == '\0') {
			ha_alert("parsing [%s:%d]: '%s' expects an option name.\n",
				 file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		for (optnum = 0; cfg_opts[optnum].name; optnum++) {
			if (!strcmp(args[1], cfg_opts[optnum].name)) {
				if (cfg_opts[optnum].cap == PR_CAP_NONE) {
					ha_alert("parsing [%s:%d]: option '%s' is not supported due to build options.\n",
						 file, linenum, cfg_opts[optnum].name);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
					goto out;

				if (warnifnotcap(curproxy, cfg_opts[optnum].cap, file, linenum, args[1], NULL)) {
					err_code |= ERR_WARN;
					goto out;
				}

				curproxy->no_options &= ~cfg_opts[optnum].val;
				curproxy->options    &= ~cfg_opts[optnum].val;

				switch (kwm) {
				case KWM_STD:
					curproxy->options |= cfg_opts[optnum].val;
					break;
				case KWM_NO:
					curproxy->no_options |= cfg_opts[optnum].val;
					break;
				case KWM_DEF: /* already cleared */
					break;
				}

				goto out;
			}
		}

		for (optnum = 0; cfg_opts2[optnum].name; optnum++) {
			if (!strcmp(args[1], cfg_opts2[optnum].name)) {
				if (cfg_opts2[optnum].cap == PR_CAP_NONE) {
					ha_alert("parsing [%s:%d]: option '%s' is not supported due to build options.\n",
						 file, linenum, cfg_opts2[optnum].name);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
					goto out;
				if (warnifnotcap(curproxy, cfg_opts2[optnum].cap, file, linenum, args[1], NULL)) {
					err_code |= ERR_WARN;
					goto out;
				}

				/* "[no] option http-use-htx" is deprecated */
				if (!strcmp(cfg_opts2[optnum].name, "http-use-htx")) {
					if (kwm ==KWM_NO) {
						ha_warning("parsing [%s:%d]: option '%s' is deprecated and ignored."
							   " The HTX mode is now the only supported mode.\n",
							   file, linenum, cfg_opts2[optnum].name);
						err_code |= ERR_WARN;
					}
					goto out;
				}

				curproxy->no_options2 &= ~cfg_opts2[optnum].val;
				curproxy->options2    &= ~cfg_opts2[optnum].val;

				switch (kwm) {
				case KWM_STD:
					curproxy->options2 |= cfg_opts2[optnum].val;
					break;
				case KWM_NO:
					curproxy->no_options2 |= cfg_opts2[optnum].val;
					break;
				case KWM_DEF: /* already cleared */
					break;
				}
				goto out;
			}
		}

		/* HTTP options override each other. They can be cancelled using
		 * "no option xxx" which only switches to default mode if the mode
		 * was this one (useful for cancelling options set in defaults
		 * sections).
		 */
		if (strcmp(args[1], "httpclose") == 0 || strcmp(args[1], "forceclose") == 0) {
			if (strcmp(args[1], "forceclose") == 0) {
				if (!already_warned(WARN_FORCECLOSE_DEPRECATED))
					ha_warning("parsing [%s:%d]: keyword '%s' is deprecated in favor of 'httpclose', and will not be supported by future versions.\n",
					  file, linenum, args[1]);
				err_code |= ERR_WARN;
			}
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
			if (kwm == KWM_STD) {
				curproxy->options &= ~PR_O_HTTP_MODE;
				curproxy->options |= PR_O_HTTP_CLO;
				goto out;
			}
			else if (kwm == KWM_NO) {
				if ((curproxy->options & PR_O_HTTP_MODE) == PR_O_HTTP_CLO)
					curproxy->options &= ~PR_O_HTTP_MODE;
				goto out;
			}
		}
		else if (strcmp(args[1], "http-server-close") == 0) {
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
			if (kwm == KWM_STD) {
				curproxy->options &= ~PR_O_HTTP_MODE;
				curproxy->options |= PR_O_HTTP_SCL;
				goto out;
			}
			else if (kwm == KWM_NO) {
				if ((curproxy->options & PR_O_HTTP_MODE) == PR_O_HTTP_SCL)
					curproxy->options &= ~PR_O_HTTP_MODE;
				goto out;
			}
		}
		else if (strcmp(args[1], "http-keep-alive") == 0) {
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
			if (kwm == KWM_STD) {
				curproxy->options &= ~PR_O_HTTP_MODE;
				curproxy->options |= PR_O_HTTP_KAL;
				goto out;
			}
			else if (kwm == KWM_NO) {
				if ((curproxy->options & PR_O_HTTP_MODE) == PR_O_HTTP_KAL)
					curproxy->options &= ~PR_O_HTTP_MODE;
				goto out;
			}
		}
		else if (strcmp(args[1], "http-tunnel") == 0) {
			ha_warning("parsing [%s:%d]: the option '%s' is deprecated and will be removed in next version.\n",
				 file, linenum, args[1]);
			err_code |= ERR_WARN;
			goto out;
		}

		/* Redispatch can take an integer argument that control when the
		 * resispatch occurs. All values are relative to the retries option.
		 * This can be cancelled using "no option xxx".
		 */
		if (strcmp(args[1], "redispatch") == 0) {
			if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[1], NULL)) {
				err_code |= ERR_WARN;
				goto out;
			}

			curproxy->no_options &= ~PR_O_REDISP;
			curproxy->options &= ~PR_O_REDISP;

			switch (kwm) {
			case KWM_STD:
				curproxy->options |= PR_O_REDISP;
				curproxy->redispatch_after = -1;
				if(*args[2]) {
					curproxy->redispatch_after = atol(args[2]);
				}
				break;
			case KWM_NO:
				curproxy->no_options |= PR_O_REDISP;
				curproxy->redispatch_after = 0;
				break;
			case KWM_DEF: /* already cleared */
				break;
			}
			goto out;
		}

		if (kwm != KWM_STD) {
			ha_alert("parsing [%s:%d]: negation/default is not supported for option '%s'.\n",
				 file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (!strcmp(args[1], "httplog")) {
			char *logformat;
			/* generate a complete HTTP log */
			logformat = default_http_log_format;
			if (*(args[2]) != '\0') {
				if (!strcmp(args[2], "clf")) {
					curproxy->options2 |= PR_O2_CLFLOG;
					logformat = clf_http_log_format;
				} else {
					ha_alert("parsing [%s:%d] : keyword '%s' only supports option 'clf'.\n", file, linenum, args[1]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				if (alertif_too_many_args_idx(1, 1, file, linenum, args, &err_code))
					goto out;
			}
			if (curproxy->conf.logformat_string && curproxy == &defproxy) {
				char *oldlogformat = "log-format";
				char *clflogformat = "";

				if (curproxy->conf.logformat_string == default_http_log_format)
					oldlogformat = "option httplog";
				else if (curproxy->conf.logformat_string == default_tcp_log_format)
					oldlogformat = "option tcplog";
				else if (curproxy->conf.logformat_string == clf_http_log_format)
					oldlogformat = "option httplog clf";
				if (logformat == clf_http_log_format)
					clflogformat = " clf";
				ha_warning("parsing [%s:%d]: 'option httplog%s' overrides previous '%s' in 'defaults' section.\n",
					   file, linenum, clflogformat, oldlogformat);
			}
			if (curproxy->conf.logformat_string != default_http_log_format &&
			    curproxy->conf.logformat_string != default_tcp_log_format &&
			    curproxy->conf.logformat_string != clf_http_log_format)
				free(curproxy->conf.logformat_string);
			curproxy->conf.logformat_string = logformat;

			free(curproxy->conf.lfs_file);
			curproxy->conf.lfs_file = strdup(curproxy->conf.args.file);
			curproxy->conf.lfs_line = curproxy->conf.args.line;

			if (curproxy != &defproxy && !(curproxy->cap & PR_CAP_FE)) {
				ha_warning("parsing [%s:%d] : backend '%s' : 'option httplog' directive is ignored in backends.\n",
					file, linenum, curproxy->id);
				err_code |= ERR_WARN;
			}
		}
		else if (!strcmp(args[1], "tcplog")) {
			if (curproxy->conf.logformat_string && curproxy == &defproxy) {
				char *oldlogformat = "log-format";

				if (curproxy->conf.logformat_string == default_http_log_format)
					oldlogformat = "option httplog";
				else if (curproxy->conf.logformat_string == default_tcp_log_format)
					oldlogformat = "option tcplog";
				else if (curproxy->conf.logformat_string == clf_http_log_format)
					oldlogformat = "option httplog clf";
				ha_warning("parsing [%s:%d]: 'option tcplog' overrides previous '%s' in 'defaults' section.\n",
					   file, linenum, oldlogformat);
			}
			/* generate a detailed TCP log */
			if (curproxy->conf.logformat_string != default_http_log_format &&
			    curproxy->conf.logformat_string != default_tcp_log_format &&
			    curproxy->conf.logformat_string != clf_http_log_format)
				free(curproxy->conf.logformat_string);
			curproxy->conf.logformat_string = default_tcp_log_format;

			free(curproxy->conf.lfs_file);
			curproxy->conf.lfs_file = strdup(curproxy->conf.args.file);
			curproxy->conf.lfs_line = curproxy->conf.args.line;

			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;

			if (curproxy != &defproxy && !(curproxy->cap & PR_CAP_FE)) {
				ha_warning("parsing [%s:%d] : backend '%s' : 'option tcplog' directive is ignored in backends.\n",
					file, linenum, curproxy->id);
				err_code |= ERR_WARN;
			}
		}
		else if (!strcmp(args[1], "tcpka")) {
			/* enable TCP keep-alives on client and server streams */
			if (warnifnotcap(curproxy, PR_CAP_BE | PR_CAP_FE, file, linenum, args[1], NULL))
				err_code |= ERR_WARN;

			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;

			if (curproxy->cap & PR_CAP_FE)
				curproxy->options |= PR_O_TCP_CLI_KA;
			if (curproxy->cap & PR_CAP_BE)
				curproxy->options |= PR_O_TCP_SRV_KA;
		}
		else if (!strcmp(args[1], "httpchk")) {
			if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[1], NULL))
				err_code |= ERR_WARN;

			/* use HTTP request to check servers' health */
			free(curproxy->check_req);
			free(curproxy->check_hdrs);
			free(curproxy->check_body);
			curproxy->check_req = curproxy->check_hdrs = curproxy->check_body = NULL;
			curproxy->check_len = curproxy->check_hdrs_len = curproxy->check_body_len = 0;
			curproxy->options2 &= ~PR_O2_CHK_ANY;
			curproxy->options2 |= PR_O2_HTTP_CHK;
			if (!*args[2]) { /* no argument */
				curproxy->check_req = strdup(DEF_CHECK_REQ); /* default request */
				curproxy->check_len = strlen(DEF_CHECK_REQ);
			} else if (!*args[3]) { /* one argument : URI */
				int reqlen = strlen(args[2]) + strlen("OPTIONS  HTTP/1.0\r\n") + 1;
				curproxy->check_req = malloc(reqlen);
				curproxy->check_len = snprintf(curproxy->check_req, reqlen,
							       "OPTIONS %s HTTP/1.0\r\n", args[2]); /* URI to use */
			} else if (!*args[4]) { /* two arguments : METHOD URI */
				int reqlen = strlen(args[2]) + strlen(args[3]) + strlen(" HTTP/1.0\r\n") + 1;

				curproxy->check_req = malloc(reqlen);
				curproxy->check_len = snprintf(curproxy->check_req, reqlen,
							       "%s %s HTTP/1.0\r\n", args[2], args[3]);
			} else { /* 3 arguments : METHOD URI HTTP_VER */
				char *vsn = args[4];
				char *hdrs = strstr(vsn, "\r\n");
				char *body = strstr(vsn, "\r\n\r\n");

				if (hdrs || body) {
					ha_warning("parsing [%s:%d]: '%s %s' : hiding headers or body at the end of the version string is deprecated."
						   " Please, consider to use 'http-check send' directive instead.\n",
						   file, linenum, args[0], args[1]);
					err_code |= ERR_WARN;
				}

				if (hdrs == body)
					hdrs = NULL;
				if (hdrs) {
					*hdrs = '\0';
					hdrs += 2;
				}
				if (body) {
					*body = '\0';
					body += 4;
				}

				curproxy->check_len = strlen(args[2]) + strlen(args[3]) + strlen(vsn) + 4;
				curproxy->check_req = malloc(curproxy->check_len+1);
				snprintf(curproxy->check_req, curproxy->check_len+1, "%s %s %s\r\n", args[2], args[3], vsn);

				if (hdrs) {
					curproxy->check_hdrs_len = strlen(hdrs) + 2;
					curproxy->check_hdrs = malloc(curproxy->check_hdrs_len+1);
					snprintf(curproxy->check_hdrs, curproxy->check_hdrs_len+1, "%s\r\n", hdrs);
				}

				if (body) {
					curproxy->check_body_len = strlen(body);
					curproxy->check_body = strdup(body);
				}
			}
			if (alertif_too_many_args_idx(3, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (!strcmp(args[1], "ssl-hello-chk")) {
			err_code |= proxy_parse_ssl_hello_chk_opt(args, 0, curproxy, &defproxy, file, linenum);
			if (err_code & ERR_FATAL)
				goto out;
		}
		else if (!strcmp(args[1], "smtpchk")) {
			err_code |= proxy_parse_smtpchk_opt(args, 0, curproxy, &defproxy, file, linenum);
			if (err_code & ERR_FATAL)
				goto out;
		}
		else if (!strcmp(args[1], "pgsql-check")) {
			err_code |= proxy_parse_pgsql_check_opt(args, 0, curproxy, &defproxy, file, linenum);
			if (err_code & ERR_FATAL)
				goto out;
		}
		else if (!strcmp(args[1], "redis-check")) {
			err_code |= proxy_parse_redis_check_opt(args, 0, curproxy, &defproxy, file, linenum);
			if (err_code & ERR_FATAL)
				goto out;
		}
		else if (!strcmp(args[1], "mysql-check")) {
			err_code |= proxy_parse_mysql_check_opt(args, 0, curproxy, &defproxy, file, linenum);
			if (err_code & ERR_FATAL)
				goto out;
		}
		else if (!strcmp(args[1], "ldap-check")) {
			err_code |= proxy_parse_ldap_check_opt(args, 0, curproxy, &defproxy, file, linenum);
			if (err_code & ERR_FATAL)
				goto out;
		}
		else if (!strcmp(args[1], "spop-check")) {
			err_code |= proxy_parse_spop_check_opt(args, 0, curproxy, &defproxy, file, linenum);
			if (err_code & ERR_FATAL)
				goto out;
		}
		else if (!strcmp(args[1], "tcp-check")) {
			struct tcpcheck_rules *rules = &curproxy->tcpcheck_rules;

			/* use raw TCPCHK send/expect to check servers' health */
			if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[1], NULL))
				err_code |= ERR_WARN;

			if (rules->flags & TCPCHK_RULES_DEF) {
				/* Only shared ruleset can be inherited from the default section */
				rules->flags = 0;
				rules->list  = NULL;
			}
			else if (rules->list && (rules->flags & TCPCHK_RULES_SHARED)) {
				ha_alert("parsing [%s:%d] : A shared tcp-check ruleset alreayd configured.\n", file, linenum);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			if (curproxy != &defproxy && !rules->list) {
				rules->list = calloc(1, sizeof(*rules->list));
				if (!rules->list) {
					ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				LIST_INIT(rules->list);
			}

			free(curproxy->check_req);
			curproxy->check_req = NULL;
			curproxy->options2 &= ~PR_O2_CHK_ANY;
			curproxy->options2 |= PR_O2_TCPCHK_CHK;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (!strcmp(args[1], "external-check")) {
			/* excute an external command to check servers' health */
			free(curproxy->check_req);
			curproxy->check_req = NULL;
			curproxy->options2 &= ~PR_O2_CHK_ANY;
			curproxy->options2 |= PR_O2_EXT_CHK;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (!strcmp(args[1], "forwardfor")) {
			int cur_arg;

			/* insert x-forwarded-for field, but not for the IP address listed as an except.
			 * set default options (ie: bitfield, header name, etc)
			 */

			curproxy->options |= PR_O_FWDFOR | PR_O_FF_ALWAYS;

			free(curproxy->fwdfor_hdr_name);
			curproxy->fwdfor_hdr_name = strdup(DEF_XFORWARDFOR_HDR);
			curproxy->fwdfor_hdr_len  = strlen(DEF_XFORWARDFOR_HDR);

			/* loop to go through arguments - start at 2, since 0+1 = "option" "forwardfor" */
			cur_arg = 2;
			while (*(args[cur_arg])) {
				if (!strcmp(args[cur_arg], "except")) {
					/* suboption except - needs additional argument for it */
					if (!*(args[cur_arg+1]) || !str2net(args[cur_arg+1], 1, &curproxy->except_net, &curproxy->except_mask)) {
						ha_alert("parsing [%s:%d] : '%s %s %s' expects <address>[/mask] as argument.\n",
							 file, linenum, args[0], args[1], args[cur_arg]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					/* flush useless bits */
					curproxy->except_net.s_addr &= curproxy->except_mask.s_addr;
					cur_arg += 2;
				} else if (!strcmp(args[cur_arg], "header")) {
					/* suboption header - needs additional argument for it */
					if (*(args[cur_arg+1]) == 0) {
						ha_alert("parsing [%s:%d] : '%s %s %s' expects <header_name> as argument.\n",
							 file, linenum, args[0], args[1], args[cur_arg]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					free(curproxy->fwdfor_hdr_name);
					curproxy->fwdfor_hdr_name = strdup(args[cur_arg+1]);
					curproxy->fwdfor_hdr_len  = strlen(curproxy->fwdfor_hdr_name);
					cur_arg += 2;
				} else if (!strcmp(args[cur_arg], "if-none")) {
					curproxy->options &= ~PR_O_FF_ALWAYS;
					cur_arg += 1;
				} else {
					/* unknown suboption - catchall */
					ha_alert("parsing [%s:%d] : '%s %s' only supports optional values: 'except', 'header' and 'if-none'.\n",
						 file, linenum, args[0], args[1]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
			} /* end while loop */
		}
		else if (!strcmp(args[1], "originalto")) {
			int cur_arg;

			/* insert x-original-to field, but not for the IP address listed as an except.
			 * set default options (ie: bitfield, header name, etc)
			 */

			curproxy->options |= PR_O_ORGTO;

			free(curproxy->orgto_hdr_name);
			curproxy->orgto_hdr_name = strdup(DEF_XORIGINALTO_HDR);
			curproxy->orgto_hdr_len  = strlen(DEF_XORIGINALTO_HDR);

			/* loop to go through arguments - start at 2, since 0+1 = "option" "originalto" */
			cur_arg = 2;
			while (*(args[cur_arg])) {
				if (!strcmp(args[cur_arg], "except")) {
					/* suboption except - needs additional argument for it */
					if (!*(args[cur_arg+1]) || !str2net(args[cur_arg+1], 1, &curproxy->except_to, &curproxy->except_mask_to)) {
						ha_alert("parsing [%s:%d] : '%s %s %s' expects <address>[/mask] as argument.\n",
							 file, linenum, args[0], args[1], args[cur_arg]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					/* flush useless bits */
					curproxy->except_to.s_addr &= curproxy->except_mask_to.s_addr;
					cur_arg += 2;
				} else if (!strcmp(args[cur_arg], "header")) {
					/* suboption header - needs additional argument for it */
					if (*(args[cur_arg+1]) == 0) {
						ha_alert("parsing [%s:%d] : '%s %s %s' expects <header_name> as argument.\n",
							 file, linenum, args[0], args[1], args[cur_arg]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					free(curproxy->orgto_hdr_name);
					curproxy->orgto_hdr_name = strdup(args[cur_arg+1]);
					curproxy->orgto_hdr_len  = strlen(curproxy->orgto_hdr_name);
					cur_arg += 2;
				} else {
					/* unknown suboption - catchall */
					ha_alert("parsing [%s:%d] : '%s %s' only supports optional values: 'except' and 'header'.\n",
						 file, linenum, args[0], args[1]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
			} /* end while loop */
		}
		else {
			ha_alert("parsing [%s:%d] : unknown option '%s'.\n", file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		goto out;
	}
	else if (!strcmp(args[0], "default_backend")) {
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects a backend name.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		free(curproxy->defbe.name);
		curproxy->defbe.name = strdup(args[1]);

		if (alertif_too_many_args_idx(1, 0, file, linenum, args, &err_code))
			goto out;
	}
	else if (!strcmp(args[0], "redispatch") || !strcmp(args[0], "redisp")) {
		ha_alert("parsing [%s:%d] : keyword '%s' directive is not supported anymore since HAProxy 2.1. Use 'option redispatch'.\n", file, linenum, args[0]);

		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "http-reuse")) {
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (strcmp(args[1], "never") == 0) {
			/* enable a graceful server shutdown on an HTTP 404 response */
			curproxy->options &= ~PR_O_REUSE_MASK;
			curproxy->options |= PR_O_REUSE_NEVR;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (strcmp(args[1], "safe") == 0) {
			/* enable a graceful server shutdown on an HTTP 404 response */
			curproxy->options &= ~PR_O_REUSE_MASK;
			curproxy->options |= PR_O_REUSE_SAFE;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (strcmp(args[1], "aggressive") == 0) {
			curproxy->options &= ~PR_O_REUSE_MASK;
			curproxy->options |= PR_O_REUSE_AGGR;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (strcmp(args[1], "always") == 0) {
			/* enable a graceful server shutdown on an HTTP 404 response */
			curproxy->options &= ~PR_O_REUSE_MASK;
			curproxy->options |= PR_O_REUSE_ALWS;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else {
			ha_alert("parsing [%s:%d] : '%s' only supports 'never', 'safe', 'aggressive', 'always'.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "http-check")) {
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (strcmp(args[1], "disable-on-404") == 0) {
			/* enable a graceful server shutdown on an HTTP 404 response */
			curproxy->options |= PR_O_DISABLE404;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (strcmp(args[1], "send-state") == 0) {
			/* enable emission of the apparent state of a server in HTTP checks */
			curproxy->options2 |= PR_O2_CHK_SNDST;
			if (alertif_too_many_args_idx(0, 1, file, linenum, args, &err_code))
				goto out;
		}
		else if (strcmp(args[1], "send") == 0) {
			int cur_arg = 2;

			free(curproxy->check_hdrs);
			free(curproxy->check_body);
			curproxy->check_hdrs = curproxy->check_body = NULL;
			curproxy->check_hdrs_len = curproxy->check_body_len = 0;
			while (*(args[cur_arg])) {
				if (strcmp(args[cur_arg], "hdr") == 0) {
					int hdr_len;
					if (!*(args[cur_arg+1]) || !*(args[cur_arg+2])) {
						ha_alert("parsing [%s:%d] : '%s %s' : %s expects a name and a value as parameter.\n",
							 file, linenum, args[0], args[1], args[cur_arg]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}

					cur_arg++;
					hdr_len = strlen(args[cur_arg]) + strlen(args[cur_arg+1]) + 4;
					curproxy->check_hdrs = my_realloc2(curproxy->check_hdrs, curproxy->check_hdrs_len+hdr_len+1);
					if (curproxy->check_hdrs == NULL) {
						ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					snprintf(curproxy->check_hdrs + curproxy->check_hdrs_len, hdr_len+1, "%s: %s\r\n", args[cur_arg], args[cur_arg+1]);
					curproxy->check_hdrs_len += hdr_len;

					cur_arg++;
				}
				else if (strcmp(args[cur_arg], "body") == 0) {
					if (!*(args[cur_arg+1])) {
						ha_alert("parsing [%s:%d] : '%s %s' : %s expects a string as parameter.\n",
							 file, linenum, args[0], args[1], args[cur_arg]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					cur_arg++;
					free(curproxy->check_body);
					curproxy->check_body = strdup(args[cur_arg]);
					curproxy->check_body_len = strlen(args[cur_arg]);
					if (curproxy->check_body == NULL) {
						ha_alert("parsing [%s:%d] : out of memory.\n", file, linenum);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
				}
				else {
					ha_alert("parsing [%s:%d] : '%s %s' only supports 'hdr' and 'body', found '%s'.\n",
						 file, linenum, args[0], args[1], args[cur_arg]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				cur_arg++;
			}

		}
		else if (strcmp(args[1], "expect") == 0) {
			const char *ptr_arg;
			int cur_arg;

			if (curproxy->options2 & PR_O2_EXP_TYPE) {
				ha_alert("parsing [%s:%d] : '%s %s' already specified.\n", file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			cur_arg = 2;
			/* consider exclamation marks, sole or at the beginning of a word */
			while (*(ptr_arg = args[cur_arg])) {
				while (*ptr_arg == '!') {
					curproxy->options2 ^= PR_O2_EXP_INV;
					ptr_arg++;
				}
				if (*ptr_arg)
					break;
				cur_arg++;
			}
			/* now ptr_arg points to the beginning of a word past any possible
			 * exclamation mark, and cur_arg is the argument which holds this word.
			 */
			if (strcmp(ptr_arg, "status") == 0) {
				if (!*(args[cur_arg + 1])) {
					ha_alert("parsing [%s:%d] : '%s %s %s' expects <string> as an argument.\n",
						 file, linenum, args[0], args[1], ptr_arg);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				curproxy->options2 |= PR_O2_EXP_STS;
				free(curproxy->expect_str);
				curproxy->expect_str = strdup(args[cur_arg + 1]);
			}
			else if (strcmp(ptr_arg, "string") == 0) {
				if (!*(args[cur_arg + 1])) {
					ha_alert("parsing [%s:%d] : '%s %s %s' expects <string> as an argument.\n",
						 file, linenum, args[0], args[1], ptr_arg);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				curproxy->options2 |= PR_O2_EXP_STR;
				free(curproxy->expect_str);
				curproxy->expect_str = strdup(args[cur_arg + 1]);
			}
			else if (strcmp(ptr_arg, "rstatus") == 0) {
				if (!*(args[cur_arg + 1])) {
					ha_alert("parsing [%s:%d] : '%s %s %s' expects <regex> as an argument.\n",
						 file, linenum, args[0], args[1], ptr_arg);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				curproxy->options2 |= PR_O2_EXP_RSTS;
				free(curproxy->expect_str);
				regex_free(curproxy->expect_regex);
				curproxy->expect_str = strdup(args[cur_arg + 1]);
				error = NULL;
				if (!(curproxy->expect_regex = regex_comp(args[cur_arg + 1], 1, 1, &error))) {
					ha_alert("parsing [%s:%d] : '%s %s %s' : regular expression '%s': %s.\n",
						 file, linenum, args[0], args[1], ptr_arg, args[cur_arg + 1], error);
					free(error);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
			}
			else if (strcmp(ptr_arg, "rstring") == 0) {
				if (!*(args[cur_arg + 1])) {
					ha_alert("parsing [%s:%d] : '%s %s %s' expects <regex> as an argument.\n",
						 file, linenum, args[0], args[1], ptr_arg);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				curproxy->options2 |= PR_O2_EXP_RSTR;
				free(curproxy->expect_str);
				regex_free(curproxy->expect_regex);
				curproxy->expect_str = strdup(args[cur_arg + 1]);
				error = NULL;
				if (!(curproxy->expect_regex = regex_comp(args[cur_arg + 1], 1, 1, &error))) {
					ha_alert("parsing [%s:%d] : '%s %s %s' : regular expression '%s': %s.\n",
						 file, linenum, args[0], args[1], ptr_arg, args[cur_arg + 1], error);
					free(error);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
			}
			else {
				ha_alert("parsing [%s:%d] : '%s %s' only supports [!] 'status', 'string', 'rstatus', 'rstring', found '%s'.\n",
					 file, linenum, args[0], args[1], ptr_arg);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
		}
		else {
			ha_alert("parsing [%s:%d] : '%s' only supports 'disable-on-404', 'send-state', 'expect'.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "monitor")) {
		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (strcmp(args[1], "fail") == 0) {
			/* add a condition to fail monitor requests */
			if (strcmp(args[2], "if") != 0 && strcmp(args[2], "unless") != 0) {
				ha_alert("parsing [%s:%d] : '%s %s' requires either 'if' or 'unless' followed by a condition.\n",
					 file, linenum, args[0], args[1]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			err_code |= warnif_misplaced_monitor(curproxy, file, linenum, "monitor fail");
			if ((cond = build_acl_cond(file, linenum, &curproxy->acl, curproxy, (const char **)args + 2, &errmsg)) == NULL) {
				ha_alert("parsing [%s:%d] : error detected while parsing a '%s %s' condition : %s.\n",
					 file, linenum, args[0], args[1], errmsg);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
			LIST_ADDQ(&curproxy->mon_fail_cond, &cond->list);
		}
		else {
			ha_alert("parsing [%s:%d] : '%s' only supports 'fail'.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
#ifdef USE_TPROXY
	else if (!strcmp(args[0], "transparent")) {
		/* enable transparent proxy connections */
		curproxy->options |= PR_O_TRANSP;
		if (alertif_too_many_args(0, file, linenum, args, &err_code))
			goto out;
	}
#endif
	else if (!strcmp(args[0], "maxconn")) {  /* maxconn */
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], " Maybe you want 'fullconn' instead ?"))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		curproxy->maxconn = atol(args[1]);
		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;
	}
	else if (!strcmp(args[0], "backlog")) {  /* backlog */
		if (warnifnotcap(curproxy, PR_CAP_FE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		curproxy->backlog = atol(args[1]);
		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;
	}
	else if (!strcmp(args[0], "fullconn")) {  /* fullconn */
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], " Maybe you want 'maxconn' instead ?"))
			err_code |= ERR_WARN;

		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		curproxy->fullconn = atol(args[1]);
		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;
	}
	else if (!strcmp(args[0], "grace")) {  /* grace time (ms) */
		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects a time in milliseconds.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		err = parse_time_err(args[1], &val, TIME_UNIT_MS);
		if (err == PARSE_TIME_OVER) {
			ha_alert("parsing [%s:%d]: timer overflow in argument <%s> to grace time, maximum value is 2147483647 ms (~24.8 days).\n",
			         file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		else if (err == PARSE_TIME_UNDER) {
			ha_alert("parsing [%s:%d]: timer underflow in argument <%s> to grace time, minimum non-null value is 1 ms.\n",
			         file, linenum, args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		else if (err) {
			ha_alert("parsing [%s:%d] : unexpected character '%c' in grace time.\n",
				 file, linenum, *err);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		curproxy->grace = val;
		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;
	}
	else if (!strcmp(args[0], "dispatch")) {  /* dispatch address */
		struct sockaddr_storage *sk;
		int port1, port2;
		struct protocol *proto;

		if (curproxy == &defproxy) {
			ha_alert("parsing [%s:%d] : '%s' not allowed in 'defaults' section.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		else if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		sk = str2sa_range(args[1], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
		if (!sk) {
			ha_alert("parsing [%s:%d] : '%s' : %s\n", file, linenum, args[0], errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		proto = protocol_by_family(sk->ss_family);
		if (!proto || !proto->connect) {
			ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
				 file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (port1 != port2) {
			ha_alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'.\n",
				 file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (!port1) {
			ha_alert("parsing [%s:%d] : '%s' : missing port number in '%s', <addr:port> expected.\n",
				 file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (alertif_too_many_args(1, file, linenum, args, &err_code))
			goto out;

		curproxy->dispatch_addr = *sk;
		curproxy->options |= PR_O_DISPATCH;
	}
	else if (!strcmp(args[0], "balance")) {  /* set balancing with optional algorithm */
		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (backend_parse_balance((const char **)args + 1, &errmsg, curproxy) < 0) {
			ha_alert("parsing [%s:%d] : %s %s\n", file, linenum, args[0], errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "hash-type")) { /* set hashing method */
		/**
		 * The syntax for hash-type config element is
		 * hash-type {map-based|consistent} [[<algo>] avalanche]
		 *
		 * The default hash function is sdbm for map-based and sdbm+avalanche for consistent.
		 */
		curproxy->lbprm.algo &= ~(BE_LB_HASH_TYPE | BE_LB_HASH_FUNC | BE_LB_HASH_MOD);

		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (strcmp(args[1], "consistent") == 0) {	/* use consistent hashing */
			curproxy->lbprm.algo |= BE_LB_HASH_CONS;
		}
		else if (strcmp(args[1], "map-based") == 0) {	/* use map-based hashing */
			curproxy->lbprm.algo |= BE_LB_HASH_MAP;
		}
		else if (strcmp(args[1], "avalanche") == 0) {
			ha_alert("parsing [%s:%d] : experimental feature '%s %s' is not supported anymore, please use '%s map-based sdbm avalanche' instead.\n", file, linenum, args[0], args[1], args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		else {
			ha_alert("parsing [%s:%d] : '%s' only supports 'consistent' and 'map-based'.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		/* set the hash function to use */
		if (!*args[2]) {
			/* the default algo is sdbm */
			curproxy->lbprm.algo |= BE_LB_HFCN_SDBM;

			/* if consistent with no argument, then avalanche modifier is also applied */
			if ((curproxy->lbprm.algo & BE_LB_HASH_TYPE) == BE_LB_HASH_CONS)
				curproxy->lbprm.algo |= BE_LB_HMOD_AVAL;
		} else {
			/* set the hash function */
			if (!strcmp(args[2], "sdbm")) {
				curproxy->lbprm.algo |= BE_LB_HFCN_SDBM;
			}
			else if (!strcmp(args[2], "djb2")) {
				curproxy->lbprm.algo |= BE_LB_HFCN_DJB2;
			}
			else if (!strcmp(args[2], "wt6")) {
				curproxy->lbprm.algo |= BE_LB_HFCN_WT6;
			}
			else if (!strcmp(args[2], "crc32")) {
				curproxy->lbprm.algo |= BE_LB_HFCN_CRC32;
			}
			else {
				ha_alert("parsing [%s:%d] : '%s' only supports 'sdbm', 'djb2', 'crc32', or 'wt6' hash functions.\n", file, linenum, args[0]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}

			/* set the hash modifier */
			if (!strcmp(args[3], "avalanche")) {
				curproxy->lbprm.algo |= BE_LB_HMOD_AVAL;
			}
			else if (*args[3]) {
				ha_alert("parsing [%s:%d] : '%s' only supports 'avalanche' as a modifier for hash functions.\n", file, linenum, args[0]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
			}
		}
	}
	else if (strcmp(args[0], "hash-balance-factor") == 0) {
		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects an integer argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		curproxy->lbprm.hash_balance_factor = atol(args[1]);
		if (curproxy->lbprm.hash_balance_factor != 0 && curproxy->lbprm.hash_balance_factor <= 100) {
			ha_alert("parsing [%s:%d] : '%s' must be 0 or greater than 100.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (strcmp(args[0], "unique-id-format") == 0) {
		if (!*(args[1])) {
			ha_alert("parsing [%s:%d] : %s expects an argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		if (*(args[2])) {
			ha_alert("parsing [%s:%d] : %s expects only one argument, don't forget to escape spaces!\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		free(curproxy->conf.uniqueid_format_string);
		curproxy->conf.uniqueid_format_string = strdup(args[1]);

		free(curproxy->conf.uif_file);
		curproxy->conf.uif_file = strdup(curproxy->conf.args.file);
		curproxy->conf.uif_line = curproxy->conf.args.line;
	}

	else if (strcmp(args[0], "unique-id-header") == 0) {
		char *copy;
		if (!*(args[1])) {
			ha_alert("parsing [%s:%d] : %s expects an argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		copy = strdup(args[1]);
		if (copy == NULL) {
			ha_alert("parsing [%s:%d] : failed to allocate memory for unique-id-header\n", file, linenum);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		istfree(&curproxy->header_unique_id);
		curproxy->header_unique_id = ist(copy);
	}

	else if (strcmp(args[0], "log-format") == 0) {
		if (!*(args[1])) {
			ha_alert("parsing [%s:%d] : %s expects an argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		if (*(args[2])) {
			ha_alert("parsing [%s:%d] : %s expects only one argument, don't forget to escape spaces!\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		if (curproxy->conf.logformat_string && curproxy == &defproxy) {
			char *oldlogformat = "log-format";

			if (curproxy->conf.logformat_string == default_http_log_format)
				oldlogformat = "option httplog";
			else if (curproxy->conf.logformat_string == default_tcp_log_format)
				oldlogformat = "option tcplog";
			else if (curproxy->conf.logformat_string == clf_http_log_format)
				oldlogformat = "option httplog clf";
			ha_warning("parsing [%s:%d]: 'log-format' overrides previous '%s' in 'defaults' section.\n",
				   file, linenum, oldlogformat);
		}
		if (curproxy->conf.logformat_string != default_http_log_format &&
		    curproxy->conf.logformat_string != default_tcp_log_format &&
		    curproxy->conf.logformat_string != clf_http_log_format)
			free(curproxy->conf.logformat_string);
		curproxy->conf.logformat_string = strdup(args[1]);

		free(curproxy->conf.lfs_file);
		curproxy->conf.lfs_file = strdup(curproxy->conf.args.file);
		curproxy->conf.lfs_line = curproxy->conf.args.line;

		/* get a chance to improve log-format error reporting by
		 * reporting the correct line-number when possible.
		 */
		if (curproxy != &defproxy && !(curproxy->cap & PR_CAP_FE)) {
			ha_warning("parsing [%s:%d] : backend '%s' : 'log-format' directive is ignored in backends.\n",
				   file, linenum, curproxy->id);
			err_code |= ERR_WARN;
		}
	}
	else if (!strcmp(args[0], "log-format-sd")) {
		if (!*(args[1])) {
			ha_alert("parsing [%s:%d] : %s expects an argument.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		if (*(args[2])) {
			ha_alert("parsing [%s:%d] : %s expects only one argument, don't forget to escape spaces!\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (curproxy->conf.logformat_sd_string != default_rfc5424_sd_log_format)
			free(curproxy->conf.logformat_sd_string);
		curproxy->conf.logformat_sd_string = strdup(args[1]);

		free(curproxy->conf.lfsd_file);
		curproxy->conf.lfsd_file = strdup(curproxy->conf.args.file);
		curproxy->conf.lfsd_line = curproxy->conf.args.line;

		/* get a chance to improve log-format-sd error reporting by
		 * reporting the correct line-number when possible.
		 */
		if (curproxy != &defproxy && !(curproxy->cap & PR_CAP_FE)) {
			ha_warning("parsing [%s:%d] : backend '%s' : 'log-format-sd' directive is ignored in backends.\n",
				   file, linenum, curproxy->id);
			err_code |= ERR_WARN;
		}
	}
	else if (!strcmp(args[0], "log-tag")) {  /* tag to report to syslog */
		if (*(args[1]) == 0) {
			ha_alert("parsing [%s:%d] : '%s' expects a tag for use in syslog.\n", file, linenum, args[0]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
		chunk_destroy(&curproxy->log_tag);
		chunk_initstr(&curproxy->log_tag, strdup(args[1]));
	}
	else if (!strcmp(args[0], "log")) { /* "no log" or "log ..." */
		if (!parse_logsrv(args, &curproxy->logsrvs, (kwm == KWM_NO), &errmsg)) {
			ha_alert("parsing [%s:%d] : %s : %s\n", file, linenum, args[0], errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "source")) {  /* address to which we bind when connecting */
		int cur_arg;
		int port1, port2;
		struct sockaddr_storage *sk;
		struct protocol *proto;

		if (warnifnotcap(curproxy, PR_CAP_BE, file, linenum, args[0], NULL))
			err_code |= ERR_WARN;

		if (!*args[1]) {
			ha_alert("parsing [%s:%d] : '%s' expects <addr>[:<port>], and optionally '%s' <addr>, and '%s' <name>.\n",
				 file, linenum, "source", "usesrc", "interface");
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		/* we must first clear any optional default setting */
		curproxy->conn_src.opts &= ~CO_SRC_TPROXY_MASK;
		free(curproxy->conn_src.iface_name);
		curproxy->conn_src.iface_name = NULL;
		curproxy->conn_src.iface_len = 0;

		sk = str2sa_range(args[1], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
		if (!sk) {
			ha_alert("parsing [%s:%d] : '%s %s' : %s\n",
				 file, linenum, args[0], args[1], errmsg);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		proto = protocol_by_family(sk->ss_family);
		if (!proto || !proto->connect) {
			ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
				 file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		if (port1 != port2) {
			ha_alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n",
				 file, linenum, args[0], args[1]);
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}

		curproxy->conn_src.source_addr = *sk;
		curproxy->conn_src.opts |= CO_SRC_BIND;

		cur_arg = 2;
		while (*(args[cur_arg])) {
			if (!strcmp(args[cur_arg], "usesrc")) {  /* address to use outside */
#if defined(CONFIG_HAP_TRANSPARENT)
				if (!*args[cur_arg + 1]) {
					ha_alert("parsing [%s:%d] : '%s' expects <addr>[:<port>], 'client', or 'clientip' as argument.\n",
						 file, linenum, "usesrc");
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}

				if (!strcmp(args[cur_arg + 1], "client")) {
					curproxy->conn_src.opts &= ~CO_SRC_TPROXY_MASK;
					curproxy->conn_src.opts |= CO_SRC_TPROXY_CLI;
				} else if (!strcmp(args[cur_arg + 1], "clientip")) {
					curproxy->conn_src.opts &= ~CO_SRC_TPROXY_MASK;
					curproxy->conn_src.opts |= CO_SRC_TPROXY_CIP;
				} else if (!strncmp(args[cur_arg + 1], "hdr_ip(", 7)) {
					char *name, *end;

					name = args[cur_arg+1] + 7;
					while (isspace((unsigned char)*name))
						name++;

					end = name;
					while (*end && !isspace((unsigned char)*end) && *end != ',' && *end != ')')
						end++;

					curproxy->conn_src.opts &= ~CO_SRC_TPROXY_MASK;
					curproxy->conn_src.opts |= CO_SRC_TPROXY_DYN;
					curproxy->conn_src.bind_hdr_name = calloc(1, end - name + 1);
					curproxy->conn_src.bind_hdr_len = end - name;
					memcpy(curproxy->conn_src.bind_hdr_name, name, end - name);
					curproxy->conn_src.bind_hdr_name[end-name] = '\0';
					curproxy->conn_src.bind_hdr_occ = -1;

					/* now look for an occurrence number */
					while (isspace((unsigned char)*end))
						end++;
					if (*end == ',') {
						end++;
						name = end;
						if (*end == '-')
							end++;
						while (isdigit((unsigned char)*end))
							end++;
						curproxy->conn_src.bind_hdr_occ = strl2ic(name, end-name);
					}

					if (curproxy->conn_src.bind_hdr_occ < -MAX_HDR_HISTORY) {
						ha_alert("parsing [%s:%d] : usesrc hdr_ip(name,num) does not support negative"
							 " occurrences values smaller than %d.\n",
							 file, linenum, MAX_HDR_HISTORY);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
				} else {
					struct sockaddr_storage *sk;

					sk = str2sa_range(args[cur_arg + 1], NULL, &port1, &port2, &errmsg, NULL, NULL, 1);
					if (!sk) {
						ha_alert("parsing [%s:%d] : '%s %s' : %s\n",
							 file, linenum, args[cur_arg], args[cur_arg+1], errmsg);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}

					proto = protocol_by_family(sk->ss_family);
					if (!proto || !proto->connect) {
						ha_alert("parsing [%s:%d] : '%s %s' : connect() not supported for this address family.\n",
							 file, linenum, args[cur_arg], args[cur_arg+1]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}

					if (port1 != port2) {
						ha_alert("parsing [%s:%d] : '%s' : port ranges and offsets are not allowed in '%s'\n",
							 file, linenum, args[cur_arg], args[cur_arg + 1]);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					curproxy->conn_src.tproxy_addr = *sk;
					curproxy->conn_src.opts |= CO_SRC_TPROXY_ADDR;
				}
				global.last_checks |= LSTCHK_NETADM;
#else	/* no TPROXY support */
				ha_alert("parsing [%s:%d] : '%s' not allowed here because support for TPROXY was not compiled in.\n",
					 file, linenum, "usesrc");
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
#endif
				cur_arg += 2;
				continue;
			}

			if (!strcmp(args[cur_arg], "interface")) { /* specifically bind to this interface */
#ifdef SO_BINDTODEVICE
				if (!*args[cur_arg + 1]) {
					ha_alert("parsing [%s:%d] : '%s' : missing interface name.\n",
						 file, linenum, args[0]);
					err_code |= ERR_ALERT | ERR_FATAL;
					goto out;
				}
				free(curproxy->conn_src.iface_name);
				curproxy->conn_src.iface_name = strdup(args[cur_arg + 1]);
				curproxy->conn_src.iface_len  = strlen(curproxy->conn_src.iface_name);
				global.last_checks |= LSTCHK_NETADM;
#else
				ha_alert("parsing [%s:%d] : '%s' : '%s' option not implemented.\n",
					 file, linenum, args[0], args[cur_arg]);
				err_code |= ERR_ALERT | ERR_FATAL;
				goto out;
#endif
				cur_arg += 2;
				continue;
			}
			ha_alert("parsing [%s:%d] : '%s' only supports optional keywords '%s' and '%s'.\n",
				 file, linenum, args[0], "interface", "usesrc");
			err_code |= ERR_ALERT | ERR_FATAL;
			goto out;
		}
	}
	else if (!strcmp(args[0], "usesrc")) {  /* address to use outside: needs "source" first */
		ha_alert("parsing [%s:%d] : '%s' only allowed after a '%s' statement.\n",
			 file, linenum, "usesrc", "source");
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "cliexp") || !strcmp(args[0], "reqrep")) {  /* replace request header from a regex */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request replace-path', 'http-request replace-uri' or 'http-request replace-header' instead.\n",
			 file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqdel")) {  /* delete request header from a regex */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request del-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqdeny")) {  /* deny a request if a header matches this regex */
		ha_alert("parsing [%s:%d] : The '%s' not supported anymore since HAProxy 2.1. "
			 "Use 'http-request deny' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqpass")) {  /* pass this header without allowing or denying the request */
		ha_alert("parsing [%s:%d] : The '%s' not supported anymore since HAProxy 2.1.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqallow")) {  /* allow a request if a header matches this regex */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request allow' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqtarpit")) {  /* tarpit a request if a header matches this regex */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request tarpit' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqirep")) {  /* replace request header from a regex, ignoring case */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request replace-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqidel")) {  /* delete request header from a regex ignoring case */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request del-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqideny")) {  /* deny a request if a header matches this regex ignoring case */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request deny' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqipass")) {  /* pass this header without allowing or denying the request */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqiallow")) {  /* allow a request if a header matches this regex ignoring case */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request allow' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqitarpit")) {  /* tarpit a request if a header matches this regex ignoring case */
		ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			 "Use 'http-request tarpit' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "reqadd")) {  /* add request header */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-request add-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "srvexp") || !strcmp(args[0], "rsprep")) {  /* replace response header from a regex */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-response replace-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "rspdel")) {  /* delete response header from a regex */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-response del-header' .\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "rspdeny")) {  /* block response header from a regex */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-response deny' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "rspirep")) {  /* replace response header from a regex ignoring case */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-response replace-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "rspidel")) {  /* delete response header from a regex ignoring case */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-response del-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "rspideny")) {  /* block response header from a regex ignoring case */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-response deny' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else if (!strcmp(args[0], "rspadd")) {  /* add response header */
	       ha_alert("parsing [%s:%d] : The '%s' directive is not supported anymore since HAProxy 2.1. "
			"Use 'http-response add-header' instead.\n", file, linenum, args[0]);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
	else {
		struct cfg_kw_list *kwl;
		int index;

		list_for_each_entry(kwl, &cfg_keywords.list, list) {
			for (index = 0; kwl->kw[index].kw != NULL; index++) {
				if (kwl->kw[index].section != CFG_LISTEN)
					continue;
				if (strcmp(kwl->kw[index].kw, args[0]) == 0) {
					/* prepare error message just in case */
					rc = kwl->kw[index].parse(args, CFG_LISTEN, curproxy, &defproxy, file, linenum, &errmsg);
					if (rc < 0) {
						ha_alert("parsing [%s:%d] : %s\n", file, linenum, errmsg);
						err_code |= ERR_ALERT | ERR_FATAL;
						goto out;
					}
					else if (rc > 0) {
						ha_warning("parsing [%s:%d] : %s\n", file, linenum, errmsg);
						err_code |= ERR_WARN;
						goto out;
					}
					goto out;
				}
			}
		}

		ha_alert("parsing [%s:%d] : unknown keyword '%s' in '%s' section\n", file, linenum, args[0], cursection);
		err_code |= ERR_ALERT | ERR_FATAL;
		goto out;
	}
 out:
	free(errmsg);
	return err_code;
}