REORG: cli: split dumpstats.c in src/cli.c and src/stats.c

dumpstats.c was containing either the stats code and the CLI code.
The cli code has been moved to cli.c and the stats code to stats.c
diff --git a/src/cli.c b/src/cli.c
new file mode 100644
index 0000000..d7de7cb
--- /dev/null
+++ b/src/cli.c
@@ -0,0 +1,4563 @@
+/*
+ * Functions dedicated to statistics output and the stats socket
+ *
+ * Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
+ * Copyright 2007-2009 Krzysztof Piotr Oledzki <ole@ans.pl>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pwd.h>
+#include <grp.h>
+
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <common/cfgparse.h>
+#include <common/compat.h>
+#include <common/config.h>
+#include <common/debug.h>
+#include <common/memory.h>
+#include <common/mini-clist.h>
+#include <common/standard.h>
+#include <common/ticks.h>
+#include <common/time.h>
+#include <common/uri_auth.h>
+#include <common/version.h>
+#include <common/base64.h>
+
+#include <types/applet.h>
+#include <types/global.h>
+#include <types/dns.h>
+
+#include <proto/backend.h>
+#include <proto/channel.h>
+#include <proto/checks.h>
+#include <proto/compression.h>
+#include <proto/dumpstats.h>
+#include <proto/fd.h>
+#include <proto/freq_ctr.h>
+#include <proto/frontend.h>
+#include <proto/log.h>
+#include <proto/pattern.h>
+#include <proto/pipe.h>
+#include <proto/listener.h>
+#include <proto/map.h>
+#include <proto/proto_http.h>
+#include <proto/proto_uxst.h>
+#include <proto/proxy.h>
+#include <proto/sample.h>
+#include <proto/session.h>
+#include <proto/stream.h>
+#include <proto/server.h>
+#include <proto/raw_sock.h>
+#include <proto/stream_interface.h>
+#include <proto/task.h>
+
+#ifdef USE_OPENSSL
+#include <proto/ssl_sock.h>
+#include <types/ssl_sock.h>
+#endif
+
+/* These are the field names for each INF_* field position. Please pay attention
+ * to always use the exact same name except that the strings for new names must
+ * be lower case or CamelCase while the enum entries must be upper case.
+ */
+const char *info_field_names[INF_TOTAL_FIELDS] = {
+	[INF_NAME]                           = "Name",
+	[INF_VERSION]                        = "Version",
+	[INF_RELEASE_DATE]                   = "Release_date",
+	[INF_NBPROC]                         = "Nbproc",
+	[INF_PROCESS_NUM]                    = "Process_num",
+	[INF_PID]                            = "Pid",
+	[INF_UPTIME]                         = "Uptime",
+	[INF_UPTIME_SEC]                     = "Uptime_sec",
+	[INF_MEMMAX_MB]                      = "Memmax_MB",
+	[INF_POOL_ALLOC_MB]                  = "PoolAlloc_MB",
+	[INF_POOL_USED_MB]                   = "PoolUsed_MB",
+	[INF_POOL_FAILED]                    = "PoolFailed",
+	[INF_ULIMIT_N]                       = "Ulimit-n",
+	[INF_MAXSOCK]                        = "Maxsock",
+	[INF_MAXCONN]                        = "Maxconn",
+	[INF_HARD_MAXCONN]                   = "Hard_maxconn",
+	[INF_CURR_CONN]                      = "CurrConns",
+	[INF_CUM_CONN]                       = "CumConns",
+	[INF_CUM_REQ]                        = "CumReq",
+	[INF_MAX_SSL_CONNS]                  = "MaxSslConns",
+	[INF_CURR_SSL_CONNS]                 = "CurrSslConns",
+	[INF_CUM_SSL_CONNS]                  = "CumSslConns",
+	[INF_MAXPIPES]                       = "Maxpipes",
+	[INF_PIPES_USED]                     = "PipesUsed",
+	[INF_PIPES_FREE]                     = "PipesFree",
+	[INF_CONN_RATE]                      = "ConnRate",
+	[INF_CONN_RATE_LIMIT]                = "ConnRateLimit",
+	[INF_MAX_CONN_RATE]                  = "MaxConnRate",
+	[INF_SESS_RATE]                      = "SessRate",
+	[INF_SESS_RATE_LIMIT]                = "SessRateLimit",
+	[INF_MAX_SESS_RATE]                  = "MaxSessRate",
+	[INF_SSL_RATE]                       = "SslRate",
+	[INF_SSL_RATE_LIMIT]                 = "SslRateLimit",
+	[INF_MAX_SSL_RATE]                   = "MaxSslRate",
+	[INF_SSL_FRONTEND_KEY_RATE]          = "SslFrontendKeyRate",
+	[INF_SSL_FRONTEND_MAX_KEY_RATE]      = "SslFrontendMaxKeyRate",
+	[INF_SSL_FRONTEND_SESSION_REUSE_PCT] = "SslFrontendSessionReuse_pct",
+	[INF_SSL_BACKEND_KEY_RATE]           = "SslBackendKeyRate",
+	[INF_SSL_BACKEND_MAX_KEY_RATE]       = "SslBackendMaxKeyRate",
+	[INF_SSL_CACHE_LOOKUPS]              = "SslCacheLookups",
+	[INF_SSL_CACHE_MISSES]               = "SslCacheMisses",
+	[INF_COMPRESS_BPS_IN]                = "CompressBpsIn",
+	[INF_COMPRESS_BPS_OUT]               = "CompressBpsOut",
+	[INF_COMPRESS_BPS_RATE_LIM]          = "CompressBpsRateLim",
+	[INF_ZLIB_MEM_USAGE]                 = "ZlibMemUsage",
+	[INF_MAX_ZLIB_MEM_USAGE]             = "MaxZlibMemUsage",
+	[INF_TASKS]                          = "Tasks",
+	[INF_RUN_QUEUE]                      = "Run_queue",
+	[INF_IDLE_PCT]                       = "Idle_pct",
+	[INF_NODE]                           = "node",
+	[INF_DESCRIPTION]                    = "description",
+};
+
+/* one line of stats */
+static struct field info[INF_TOTAL_FIELDS];
+
+static int stats_dump_backend_to_buffer(struct stream_interface *si);
+static int stats_dump_env_to_buffer(struct stream_interface *si);
+static int stats_dump_info_to_buffer(struct stream_interface *si);
+static int stats_dump_servers_state_to_buffer(struct stream_interface *si);
+static int stats_dump_pools_to_buffer(struct stream_interface *si);
+static int stats_dump_full_sess_to_buffer(struct stream_interface *si, struct stream *sess);
+static int stats_dump_sess_to_buffer(struct stream_interface *si);
+static int stats_dump_errors_to_buffer(struct stream_interface *si);
+static int stats_table_request(struct stream_interface *si, int show);
+static int stats_dump_resolvers_to_buffer(struct stream_interface *si);
+static int stats_pats_list(struct stream_interface *si);
+static int stats_pat_list(struct stream_interface *si);
+static int stats_map_lookup(struct stream_interface *si);
+#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
+static int stats_tlskeys_list(struct stream_interface *si);
+#endif
+
+static int dump_servers_state(struct stream_interface *si, struct chunk *buf);
+
+static struct applet cli_applet;
+
+static const char stats_sock_usage_msg[] =
+	"Unknown command. Please enter one of the following commands only :\n"
+	"  clear counters : clear max statistics counters (add 'all' for all counters)\n"
+	"  clear table    : remove an entry from a table\n"
+	"  help           : this message\n"
+	"  prompt         : toggle interactive mode with prompt\n"
+	"  quit           : disconnect\n"
+	"  show backend   : list backends in the current running config\n"
+	"  show env [var] : dump environment variables known to the process\n"
+	"  show info      : report information about the running process\n"
+	"  show pools     : report information about the memory pools usage\n"
+	"  show stat      : report counters for each proxy and server\n"
+	"  show stat resolvers [id]: dumps counters from all resolvers section and\n"
+	"                            associated name servers\n"
+	"  show errors    : report last request and response errors for each proxy\n"
+	"  show sess [id] : report the list of current sessions or dump this session\n"
+	"  show table [id]: report table usage stats or dump this table's contents\n"
+	"  show servers state [id]: dump volatile server information (for backend <id>)\n"
+	"  get weight     : report a server's current weight\n"
+	"  set weight     : change a server's weight\n"
+	"  set server     : change a server's state, weight or address\n"
+	"  set table [id] : update or create a table entry's data\n"
+	"  set timeout    : change a timeout setting\n"
+	"  set maxconn    : change a maxconn setting\n"
+	"  set rate-limit : change a rate limiting value\n"
+	"  disable        : put a server or frontend in maintenance mode\n"
+	"  enable         : re-enable a server or frontend which is in maintenance mode\n"
+	"  shutdown       : kill a session or a frontend (eg:to release listening ports)\n"
+	"  show acl [id]  : report available acls or dump an acl's contents\n"
+	"  get acl        : reports the patterns matching a sample for an ACL\n"
+	"  add acl        : add acl entry\n"
+	"  del acl        : delete acl entry\n"
+	"  clear acl <id> : clear the content of this acl\n"
+	"  show map [id]  : report available maps or dump a map's contents\n"
+	"  get map        : reports the keys and values matching a sample for a map\n"
+	"  set map        : modify map entry\n"
+	"  add map        : add map entry\n"
+	"  del map        : delete map entry\n"
+	"  clear map <id> : clear the content of this map\n"
+	"  set ssl <stmt> : set statement for ssl\n"
+#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
+	"  show tls-keys [id|*]: show tls keys references or dump tls ticket keys when id specified\n"
+#endif
+	"";
+
+static const char stats_permission_denied_msg[] =
+	"Permission denied\n"
+	"";
+
+
+static char *dynamic_usage_msg = NULL;
+
+/* List head of cli keywords */
+static struct cli_kw_list cli_keywords = {
+	.list = LIST_HEAD_INIT(cli_keywords.list)
+};
+
+extern const char *stat_status_codes[];
+
+char *cli_gen_usage_msg()
+{
+	struct cli_kw_list *kw_list;
+	struct cli_kw *kw;
+	struct chunk *tmp = get_trash_chunk();
+	struct chunk out;
+
+	free(dynamic_usage_msg);
+	dynamic_usage_msg = NULL;
+
+	if (LIST_ISEMPTY(&cli_keywords.list))
+		return NULL;
+
+	chunk_reset(tmp);
+	chunk_strcat(tmp, stats_sock_usage_msg);
+	list_for_each_entry(kw_list, &cli_keywords.list, list) {
+		kw = &kw_list->kw[0];
+		while (kw->usage) {
+			chunk_appendf(tmp, "  %s\n", kw->usage);
+			kw++;
+		}
+	}
+	chunk_init(&out, NULL, 0);
+	chunk_dup(&out, tmp);
+	dynamic_usage_msg = out.str;
+	return dynamic_usage_msg;
+}
+
+struct cli_kw* cli_find_kw(char **args)
+{
+	struct cli_kw_list *kw_list;
+	struct cli_kw *kw;/* current cli_kw */
+	char **tmp_args;
+	const char **tmp_str_kw;
+	int found = 0;
+
+	if (LIST_ISEMPTY(&cli_keywords.list))
+		return NULL;
+
+	list_for_each_entry(kw_list, &cli_keywords.list, list) {
+		kw = &kw_list->kw[0];
+		while (*kw->str_kw) {
+			tmp_args = args;
+			tmp_str_kw = kw->str_kw;
+			while (*tmp_str_kw) {
+				if (strcmp(*tmp_str_kw, *tmp_args) == 0) {
+					found = 1;
+				} else {
+					found = 0;
+					break;
+				}
+				tmp_args++;
+				tmp_str_kw++;
+			}
+			if (found)
+				return (kw);
+			kw++;
+		}
+	}
+	return NULL;
+}
+
+void cli_register_kw(struct cli_kw_list *kw_list)
+{
+	LIST_ADDQ(&cli_keywords.list, &kw_list->list);
+}
+
+
+/* allocate a new stats frontend named <name>, and return it
+ * (or NULL in case of lack of memory).
+ */
+static struct proxy *alloc_stats_fe(const char *name, const char *file, int line)
+{
+	struct proxy *fe;
+
+	fe = calloc(1, sizeof(*fe));
+	if (!fe)
+		return NULL;
+
+	init_new_proxy(fe);
+	fe->next = proxy;
+	proxy = fe;
+	fe->last_change = now.tv_sec;
+	fe->id = strdup("GLOBAL");
+	fe->cap = PR_CAP_FE;
+	fe->maxconn = 10;                 /* default to 10 concurrent connections */
+	fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */
+	fe->conf.file = strdup(file);
+	fe->conf.line = line;
+	fe->accept = frontend_accept;
+	fe->default_target = &cli_applet.obj_type;
+
+	/* the stats frontend is the only one able to assign ID #0 */
+	fe->conf.id.key = fe->uuid = 0;
+	eb32_insert(&used_proxy_id, &fe->conf.id);
+	return fe;
+}
+
+/* This function parses a "stats" statement in the "global" section. It returns
+ * -1 if there is any error, otherwise zero. If it returns -1, it will write an
+ * error message into the <err> buffer which will be preallocated. The trailing
+ * '\n' must not be written. The function must be called with <args> pointing to
+ * the first word after "stats".
+ */
+static int stats_parse_global(char **args, int section_type, struct proxy *curpx,
+                              struct proxy *defpx, const char *file, int line,
+                              char **err)
+{
+	struct bind_conf *bind_conf;
+	struct listener *l;
+
+	if (!strcmp(args[1], "socket")) {
+		int cur_arg;
+
+		if (*args[2] == 0) {
+			memprintf(err, "'%s %s' in global section expects an address or a path to a UNIX socket", args[0], args[1]);
+			return -1;
+		}
+
+		if (!global.stats_fe) {
+			if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
+				memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
+				return -1;
+			}
+		}
+
+		bind_conf = bind_conf_alloc(&global.stats_fe->conf.bind, file, line, args[2]);
+		bind_conf->level = ACCESS_LVL_OPER; /* default access level */
+
+		if (!str2listener(args[2], global.stats_fe, bind_conf, file, line, err)) {
+			memprintf(err, "parsing [%s:%d] : '%s %s' : %s\n",
+			          file, line, args[0], args[1], err && *err ? *err : "error");
+			return -1;
+		}
+
+		cur_arg = 3;
+		while (*args[cur_arg]) {
+			static int bind_dumped;
+			struct bind_kw *kw;
+
+			kw = bind_find_kw(args[cur_arg]);
+			if (kw) {
+				if (!kw->parse) {
+					memprintf(err, "'%s %s' : '%s' option is not implemented in this version (check build options).",
+						  args[0], args[1], args[cur_arg]);
+					return -1;
+				}
+
+				if (kw->parse(args, cur_arg, global.stats_fe, bind_conf, err) != 0) {
+					if (err && *err)
+						memprintf(err, "'%s %s' : '%s'", args[0], args[1], *err);
+					else
+						memprintf(err, "'%s %s' : error encountered while processing '%s'",
+						          args[0], args[1], args[cur_arg]);
+					return -1;
+				}
+
+				cur_arg += 1 + kw->skip;
+				continue;
+			}
+
+			if (!bind_dumped) {
+				bind_dump_kws(err);
+				indent_msg(err, 4);
+				bind_dumped = 1;
+			}
+
+			memprintf(err, "'%s %s' : unknown keyword '%s'.%s%s",
+			          args[0], args[1], args[cur_arg],
+			          err && *err ? " Registered keywords :" : "", err && *err ? *err : "");
+			return -1;
+		}
+
+		list_for_each_entry(l, &bind_conf->listeners, by_bind) {
+			l->maxconn = global.stats_fe->maxconn;
+			l->backlog = global.stats_fe->backlog;
+			l->accept = session_accept_fd;
+			l->handler = process_stream;
+			l->default_target = global.stats_fe->default_target;
+			l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
+			l->nice = -64;  /* we want to boost priority for local stats */
+			global.maxsock += l->maxconn;
+		}
+	}
+	else if (!strcmp(args[1], "timeout")) {
+		unsigned timeout;
+		const char *res = parse_time_err(args[2], &timeout, TIME_UNIT_MS);
+
+		if (res) {
+			memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res);
+			return -1;
+		}
+
+		if (!timeout) {
+			memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
+			return -1;
+		}
+		if (!global.stats_fe) {
+			if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
+				memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
+				return -1;
+			}
+		}
+		global.stats_fe->timeout.client = MS_TO_TICKS(timeout);
+	}
+	else if (!strcmp(args[1], "maxconn")) {
+		int maxconn = atol(args[2]);
+
+		if (maxconn <= 0) {
+			memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
+			return -1;
+		}
+
+		if (!global.stats_fe) {
+			if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
+				memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
+				return -1;
+			}
+		}
+		global.stats_fe->maxconn = maxconn;
+	}
+	else if (!strcmp(args[1], "bind-process")) {  /* enable the socket only on some processes */
+		int cur_arg = 2;
+		unsigned long set = 0;
+
+		if (!global.stats_fe) {
+			if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
+				memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
+				return -1;
+			}
+		}
+
+		while (*args[cur_arg]) {
+			unsigned int low, high;
+
+			if (strcmp(args[cur_arg], "all") == 0) {
+				set = 0;
+				break;
+			}
+			else if (strcmp(args[cur_arg], "odd") == 0) {
+				set |= ~0UL/3UL; /* 0x555....555 */
+			}
+			else if (strcmp(args[cur_arg], "even") == 0) {
+				set |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
+			}
+			else if (isdigit((int)*args[cur_arg])) {
+				char *dash = strchr(args[cur_arg], '-');
+
+				low = high = str2uic(args[cur_arg]);
+				if (dash)
+					high = str2uic(dash + 1);
+
+				if (high < low) {
+					unsigned int swap = low;
+					low = high;
+					high = swap;
+				}
+
+				if (low < 1 || high > LONGBITS) {
+					memprintf(err, "'%s %s' supports process numbers from 1 to %d.\n",
+					          args[0], args[1], LONGBITS);
+					return -1;
+				}
+				while (low <= high)
+					set |= 1UL << (low++ - 1);
+			}
+			else {
+				memprintf(err,
+				          "'%s %s' expects 'all', 'odd', 'even', or a list of process ranges with numbers from 1 to %d.\n",
+				          args[0], args[1], LONGBITS);
+				return -1;
+			}
+			cur_arg++;
+		}
+		global.stats_fe->bind_proc = set;
+	}
+	else {
+		memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]);
+		return -1;
+	}
+	return 0;
+}
+
+
+/* print a string of text buffer to <out>. The format is :
+ * Non-printable chars \t, \n, \r and \e are * encoded in C format.
+ * Other non-printable chars are encoded "\xHH". Space, '\', and '=' are also escaped.
+ * Print stopped if null char or <bsize> is reached, or if no more place in the chunk.
+ */
+static int dump_text(struct chunk *out, const char *buf, int bsize)
+{
+	unsigned char c;
+	int ptr = 0;
+
+	while (buf[ptr] && ptr < bsize) {
+		c = buf[ptr];
+		if (isprint(c) && isascii(c) && c != '\\' && c != ' ' && c != '=') {
+			if (out->len > out->size - 1)
+				break;
+			out->str[out->len++] = c;
+		}
+		else if (c == '\t' || c == '\n' || c == '\r' || c == '\e' || c == '\\' || c == ' ' || c == '=') {
+			if (out->len > out->size - 2)
+				break;
+			out->str[out->len++] = '\\';
+			switch (c) {
+			case ' ': c = ' '; break;
+			case '\t': c = 't'; break;
+			case '\n': c = 'n'; break;
+			case '\r': c = 'r'; break;
+			case '\e': c = 'e'; break;
+			case '\\': c = '\\'; break;
+			case '=': c = '='; break;
+			}
+			out->str[out->len++] = c;
+		}
+		else {
+			if (out->len > out->size - 4)
+				break;
+			out->str[out->len++] = '\\';
+			out->str[out->len++] = 'x';
+			out->str[out->len++] = hextab[(c >> 4) & 0xF];
+			out->str[out->len++] = hextab[c & 0xF];
+		}
+		ptr++;
+	}
+
+	return ptr;
+}
+
+/* print a buffer in hexa.
+ * Print stopped if <bsize> is reached, or if no more place in the chunk.
+ */
+static int dump_binary(struct chunk *out, const char *buf, int bsize)
+{
+	unsigned char c;
+	int ptr = 0;
+
+	while (ptr < bsize) {
+		c = buf[ptr];
+
+		if (out->len > out->size - 2)
+			break;
+		out->str[out->len++] = hextab[(c >> 4) & 0xF];
+		out->str[out->len++] = hextab[c & 0xF];
+
+		ptr++;
+	}
+	return ptr;
+}
+
+/* Dump the status of a table to a stream interface's
+ * read buffer. It returns 0 if the output buffer is full
+ * and needs to be called again, otherwise non-zero.
+ */
+static int stats_dump_table_head_to_buffer(struct chunk *msg, struct stream_interface *si,
+					   struct proxy *proxy, struct proxy *target)
+{
+	struct stream *s = si_strm(si);
+
+	chunk_appendf(msg, "# table: %s, type: %s, size:%d, used:%d\n",
+		     proxy->id, stktable_types[proxy->table.type].kw, proxy->table.size, proxy->table.current);
+
+	/* any other information should be dumped here */
+
+	if (target && strm_li(s)->bind_conf->level < ACCESS_LVL_OPER)
+		chunk_appendf(msg, "# contents not dumped due to insufficient privileges\n");
+
+	if (bi_putchk(si_ic(si), msg) == -1) {
+		si_applet_cant_put(si);
+		return 0;
+	}
+
+	return 1;
+}
+
+/* Dump the a table entry to a stream interface's
+ * read buffer. It returns 0 if the output buffer is full
+ * and needs to be called again, otherwise non-zero.
+ */
+static int stats_dump_table_entry_to_buffer(struct chunk *msg, struct stream_interface *si,
+					    struct proxy *proxy, struct stksess *entry)
+{
+	int dt;
+
+	chunk_appendf(msg, "%p:", entry);
+
+	if (proxy->table.type == SMP_T_IPV4) {
+		char addr[INET_ADDRSTRLEN];
+		inet_ntop(AF_INET, (const void *)&entry->key.key, addr, sizeof(addr));
+		chunk_appendf(msg, " key=%s", addr);
+	}
+	else if (proxy->table.type == SMP_T_IPV6) {
+		char addr[INET6_ADDRSTRLEN];
+		inet_ntop(AF_INET6, (const void *)&entry->key.key, addr, sizeof(addr));
+		chunk_appendf(msg, " key=%s", addr);
+	}
+	else if (proxy->table.type == SMP_T_SINT) {
+		chunk_appendf(msg, " key=%u", *(unsigned int *)entry->key.key);
+	}
+	else if (proxy->table.type == SMP_T_STR) {
+		chunk_appendf(msg, " key=");
+		dump_text(msg, (const char *)entry->key.key, proxy->table.key_size);
+	}
+	else {
+		chunk_appendf(msg, " key=");
+		dump_binary(msg, (const char *)entry->key.key, proxy->table.key_size);
+	}
+
+	chunk_appendf(msg, " use=%d exp=%d", entry->ref_cnt - 1, tick_remain(now_ms, entry->expire));
+
+	for (dt = 0; dt < STKTABLE_DATA_TYPES; dt++) {
+		void *ptr;
+
+		if (proxy->table.data_ofs[dt] == 0)
+			continue;
+		if (stktable_data_types[dt].arg_type == ARG_T_DELAY)
+			chunk_appendf(msg, " %s(%d)=", stktable_data_types[dt].name, proxy->table.data_arg[dt].u);
+		else
+			chunk_appendf(msg, " %s=", stktable_data_types[dt].name);
+
+		ptr = stktable_data_ptr(&proxy->table, entry, dt);
+		switch (stktable_data_types[dt].std_type) {
+		case STD_T_SINT:
+			chunk_appendf(msg, "%d", stktable_data_cast(ptr, std_t_sint));
+			break;
+		case STD_T_UINT:
+			chunk_appendf(msg, "%u", stktable_data_cast(ptr, std_t_uint));
+			break;
+		case STD_T_ULL:
+			chunk_appendf(msg, "%lld", stktable_data_cast(ptr, std_t_ull));
+			break;
+		case STD_T_FRQP:
+			chunk_appendf(msg, "%d",
+				     read_freq_ctr_period(&stktable_data_cast(ptr, std_t_frqp),
+							  proxy->table.data_arg[dt].u));
+			break;
+		}
+	}
+	chunk_appendf(msg, "\n");
+
+	if (bi_putchk(si_ic(si), msg) == -1) {
+		si_applet_cant_put(si);
+		return 0;
+	}
+
+	return 1;
+}
+
+static void stats_sock_table_key_request(struct stream_interface *si, char **args, int action)
+{
+	struct stream *s = si_strm(si);
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct proxy *px = appctx->ctx.table.target;
+	struct stksess *ts;
+	uint32_t uint32_key;
+	unsigned char ip6_key[sizeof(struct in6_addr)];
+	long long value;
+	int data_type;
+	int cur_arg;
+	void *ptr;
+	struct freq_ctr_period *frqp;
+
+	appctx->st0 = STAT_CLI_OUTPUT;
+
+	if (!*args[4]) {
+		appctx->ctx.cli.msg = "Key value expected\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+
+	switch (px->table.type) {
+	case SMP_T_IPV4:
+		uint32_key = htonl(inetaddr_host(args[4]));
+		static_table_key->key = &uint32_key;
+		break;
+	case SMP_T_IPV6:
+		inet_pton(AF_INET6, args[4], ip6_key);
+		static_table_key->key = &ip6_key;
+		break;
+	case SMP_T_SINT:
+		{
+			char *endptr;
+			unsigned long val;
+			errno = 0;
+			val = strtoul(args[4], &endptr, 10);
+			if ((errno == ERANGE && val == ULONG_MAX) ||
+			    (errno != 0 && val == 0) || endptr == args[4] ||
+			    val > 0xffffffff) {
+				appctx->ctx.cli.msg = "Invalid key\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return;
+			}
+			uint32_key = (uint32_t) val;
+			static_table_key->key = &uint32_key;
+			break;
+		}
+		break;
+	case SMP_T_STR:
+		static_table_key->key = args[4];
+		static_table_key->key_len = strlen(args[4]);
+		break;
+	default:
+		switch (action) {
+		case STAT_CLI_O_TAB:
+			appctx->ctx.cli.msg = "Showing keys from tables of type other than ip, ipv6, string and integer is not supported\n";
+			break;
+		case STAT_CLI_O_CLR:
+			appctx->ctx.cli.msg = "Removing keys from ip tables of type other than ip, ipv6, string and integer is not supported\n";
+			break;
+		default:
+			appctx->ctx.cli.msg = "Unknown action\n";
+			break;
+		}
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+
+	/* check permissions */
+	if (strm_li(s)->bind_conf->level < ACCESS_LVL_OPER) {
+		appctx->ctx.cli.msg = stats_permission_denied_msg;
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+
+	ts = stktable_lookup_key(&px->table, static_table_key);
+
+	switch (action) {
+	case STAT_CLI_O_TAB:
+		if (!ts)
+			return;
+		chunk_reset(&trash);
+		if (!stats_dump_table_head_to_buffer(&trash, si, px, px))
+			return;
+		stats_dump_table_entry_to_buffer(&trash, si, px, ts);
+		return;
+
+	case STAT_CLI_O_CLR:
+		if (!ts)
+			return;
+		if (ts->ref_cnt) {
+			/* don't delete an entry which is currently referenced */
+			appctx->ctx.cli.msg = "Entry currently in use, cannot remove\n";
+			appctx->st0 = STAT_CLI_PRINT;
+			return;
+		}
+		stksess_kill(&px->table, ts);
+		break;
+
+	case STAT_CLI_O_SET:
+		if (ts)
+			stktable_touch(&px->table, ts, 1);
+		else {
+			ts = stksess_new(&px->table, static_table_key);
+			if (!ts) {
+				/* don't delete an entry which is currently referenced */
+				appctx->ctx.cli.msg = "Unable to allocate a new entry\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return;
+			}
+			stktable_store(&px->table, ts, 1);
+		}
+
+		for (cur_arg = 5; *args[cur_arg]; cur_arg += 2) {
+			if (strncmp(args[cur_arg], "data.", 5) != 0) {
+				appctx->ctx.cli.msg = "\"data.<type>\" followed by a value expected\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return;
+			}
+
+			data_type = stktable_get_data_type(args[cur_arg] + 5);
+			if (data_type < 0) {
+				appctx->ctx.cli.msg = "Unknown data type\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return;
+			}
+
+			if (!px->table.data_ofs[data_type]) {
+				appctx->ctx.cli.msg = "Data type not stored in this table\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return;
+			}
+
+			if (!*args[cur_arg+1] || strl2llrc(args[cur_arg+1], strlen(args[cur_arg+1]), &value) != 0) {
+				appctx->ctx.cli.msg = "Require a valid integer value to store\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return;
+			}
+
+			ptr = stktable_data_ptr(&px->table, ts, data_type);
+
+			switch (stktable_data_types[data_type].std_type) {
+			case STD_T_SINT:
+				stktable_data_cast(ptr, std_t_sint) = value;
+				break;
+			case STD_T_UINT:
+				stktable_data_cast(ptr, std_t_uint) = value;
+				break;
+			case STD_T_ULL:
+				stktable_data_cast(ptr, std_t_ull) = value;
+				break;
+			case STD_T_FRQP:
+				/* We set both the current and previous values. That way
+				 * the reported frequency is stable during all the period
+				 * then slowly fades out. This allows external tools to
+				 * push measures without having to update them too often.
+				 */
+				frqp = &stktable_data_cast(ptr, std_t_frqp);
+				frqp->curr_tick = now_ms;
+				frqp->prev_ctr = 0;
+				frqp->curr_ctr = value;
+				break;
+			}
+		}
+		break;
+
+	default:
+		appctx->ctx.cli.msg = "Unknown action\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		break;
+	}
+}
+
+static void stats_sock_table_data_request(struct stream_interface *si, char **args, int action)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+
+	if (action != STAT_CLI_O_TAB && action != STAT_CLI_O_CLR) {
+		appctx->ctx.cli.msg = "content-based lookup is only supported with the \"show\" and \"clear\" actions";
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+
+	/* condition on stored data value */
+	appctx->ctx.table.data_type = stktable_get_data_type(args[3] + 5);
+	if (appctx->ctx.table.data_type < 0) {
+		appctx->ctx.cli.msg = "Unknown data type\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+
+	if (!((struct proxy *)appctx->ctx.table.target)->table.data_ofs[appctx->ctx.table.data_type]) {
+		appctx->ctx.cli.msg = "Data type not stored in this table\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+
+	appctx->ctx.table.data_op = get_std_op(args[4]);
+	if (appctx->ctx.table.data_op < 0) {
+		appctx->ctx.cli.msg = "Require and operator among \"eq\", \"ne\", \"le\", \"ge\", \"lt\", \"gt\"\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+
+	if (!*args[5] || strl2llrc(args[5], strlen(args[5]), &appctx->ctx.table.value) != 0) {
+		appctx->ctx.cli.msg = "Require a valid integer value to compare against\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return;
+	}
+}
+
+static void stats_sock_table_request(struct stream_interface *si, char **args, int action)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+
+	appctx->ctx.table.data_type = -1;
+	appctx->st2 = STAT_ST_INIT;
+	appctx->ctx.table.target = NULL;
+	appctx->ctx.table.proxy = NULL;
+	appctx->ctx.table.entry = NULL;
+	appctx->st0 = action;
+
+	if (*args[2]) {
+		appctx->ctx.table.target = proxy_tbl_by_name(args[2]);
+		if (!appctx->ctx.table.target) {
+			appctx->ctx.cli.msg = "No such table\n";
+			appctx->st0 = STAT_CLI_PRINT;
+			return;
+		}
+	}
+	else {
+		if (action != STAT_CLI_O_TAB)
+			goto err_args;
+		return;
+	}
+
+	if (strcmp(args[3], "key") == 0)
+		stats_sock_table_key_request(si, args, action);
+	else if (strncmp(args[3], "data.", 5) == 0)
+		stats_sock_table_data_request(si, args, action);
+	else if (*args[3])
+		goto err_args;
+
+	return;
+
+err_args:
+	switch (action) {
+	case STAT_CLI_O_TAB:
+		appctx->ctx.cli.msg = "Optional argument only supports \"data.<store_data_type>\" <operator> <value> and key <key>\n";
+		break;
+	case STAT_CLI_O_CLR:
+		appctx->ctx.cli.msg = "Required arguments: <table> \"data.<store_data_type>\" <operator> <value> or <table> key <key>\n";
+		break;
+	default:
+		appctx->ctx.cli.msg = "Unknown action\n";
+		break;
+	}
+	appctx->st0 = STAT_CLI_PRINT;
+}
+
+/* Expects to find a frontend named <arg> and returns it, otherwise displays various
+ * adequate error messages and returns NULL. This function also expects the stream
+ * level to be admin.
+ */
+static struct proxy *expect_frontend_admin(struct stream *s, struct stream_interface *si, const char *arg)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct proxy *px;
+
+	if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+		appctx->ctx.cli.msg = stats_permission_denied_msg;
+		appctx->st0 = STAT_CLI_PRINT;
+		return NULL;
+	}
+
+	if (!*arg) {
+		appctx->ctx.cli.msg = "A frontend name is expected.\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return NULL;
+	}
+
+	px = proxy_fe_by_name(arg);
+	if (!px) {
+		appctx->ctx.cli.msg = "No such frontend.\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return NULL;
+	}
+	return px;
+}
+
+/* Expects to find a backend and a server in <arg> under the form <backend>/<server>,
+ * and returns the pointer to the server. Otherwise, display adequate error messages
+ * and returns NULL. This function also expects the stream level to be admin. Note:
+ * the <arg> is modified to remove the '/'.
+ */
+static struct server *expect_server_admin(struct stream *s, struct stream_interface *si, char *arg)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct proxy *px;
+	struct server *sv;
+	char *line;
+
+	if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+		appctx->ctx.cli.msg = stats_permission_denied_msg;
+		appctx->st0 = STAT_CLI_PRINT;
+		return NULL;
+	}
+
+	/* split "backend/server" and make <line> point to server */
+	for (line = arg; *line; line++)
+		if (*line == '/') {
+			*line++ = '\0';
+			break;
+		}
+
+	if (!*line || !*arg) {
+		appctx->ctx.cli.msg = "Require 'backend/server'.\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return NULL;
+	}
+
+	if (!get_backend_server(arg, line, &px, &sv)) {
+		appctx->ctx.cli.msg = px ? "No such server.\n" : "No such backend.\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return NULL;
+	}
+
+	if (px->state == PR_STSTOPPED) {
+		appctx->ctx.cli.msg = "Proxy is disabled.\n";
+		appctx->st0 = STAT_CLI_PRINT;
+		return NULL;
+	}
+
+	return sv;
+}
+
+/* This function is used with TLS ticket keys management. It permits to browse
+ * each reference. The variable <getnext> must contain the current node,
+ * <end> point to the root node.
+ */
+#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
+static inline
+struct tls_keys_ref *tlskeys_list_get_next(struct tls_keys_ref *getnext, struct list *end)
+{
+	struct tls_keys_ref *ref = getnext;
+
+	while (1) {
+
+		/* Get next list entry. */
+		ref = LIST_NEXT(&ref->list, struct tls_keys_ref *, list);
+
+		/* If the entry is the last of the list, return NULL. */
+		if (&ref->list == end)
+			return NULL;
+
+		return ref;
+	}
+}
+
+static inline
+struct tls_keys_ref *tlskeys_ref_lookup_ref(const char *reference)
+{
+	int id;
+	char *error;
+
+	/* If the reference starts by a '#', this is numeric id. */
+	if (reference[0] == '#') {
+		/* Try to convert the numeric id. If the conversion fails, the lookup fails. */
+		id = strtol(reference + 1, &error, 10);
+		if (*error != '\0')
+			return NULL;
+
+		/* Perform the unique id lookup. */
+		return tlskeys_ref_lookupid(id);
+	}
+
+	/* Perform the string lookup. */
+	return tlskeys_ref_lookup(reference);
+}
+#endif
+
+/* This function is used with map and acl management. It permits to browse
+ * each reference. The variable <getnext> must contain the current node,
+ * <end> point to the root node and the <flags> permit to filter required
+ * nodes.
+ */
+static inline
+struct pat_ref *pat_list_get_next(struct pat_ref *getnext, struct list *end,
+                                  unsigned int flags)
+{
+	struct pat_ref *ref = getnext;
+
+	while (1) {
+
+		/* Get next list entry. */
+		ref = LIST_NEXT(&ref->list, struct pat_ref *, list);
+
+		/* If the entry is the last of the list, return NULL. */
+		if (&ref->list == end)
+			return NULL;
+
+		/* If the entry match the flag, return it. */
+		if (ref->flags & flags)
+			return ref;
+	}
+}
+
+static inline
+struct pat_ref *pat_ref_lookup_ref(const char *reference)
+{
+	int id;
+	char *error;
+
+	/* If the reference starts by a '#', this is numeric id. */
+	if (reference[0] == '#') {
+		/* Try to convert the numeric id. If the conversion fails, the lookup fails. */
+		id = strtol(reference + 1, &error, 10);
+		if (*error != '\0')
+			return NULL;
+
+		/* Perform the unique id lookup. */
+		return pat_ref_lookupid(id);
+	}
+
+	/* Perform the string lookup. */
+	return pat_ref_lookup(reference);
+}
+
+/* This function is used with map and acl management. It permits to browse
+ * each reference.
+ */
+static inline
+struct pattern_expr *pat_expr_get_next(struct pattern_expr *getnext, struct list *end)
+{
+	struct pattern_expr *expr;
+	expr = LIST_NEXT(&getnext->list, struct pattern_expr *, list);
+	if (&expr->list == end)
+		return NULL;
+	return expr;
+}
+
+/* Processes the stats interpreter on the statistics socket. This function is
+ * called from an applet running in a stream interface. The function returns 1
+ * if the request was understood, otherwise zero. It sets appctx->st0 to a value
+ * designating the function which will have to process the request, which can
+ * also be the print function to display the return message set into cli.msg.
+ */
+static int stats_sock_parse_request(struct stream_interface *si, char *line)
+{
+	struct stream *s = si_strm(si);
+	struct appctx *appctx = __objt_appctx(si->end);
+	char *args[MAX_STATS_ARGS + 1];
+	struct cli_kw *kw;
+	int arg;
+	int i, j;
+
+	while (isspace((unsigned char)*line))
+		line++;
+
+	arg = 0;
+	args[arg] = line;
+
+	while (*line && arg < MAX_STATS_ARGS) {
+		if (*line == '\\') {
+			line++;
+			if (*line == '\0')
+				break;
+		}
+		else if (isspace((unsigned char)*line)) {
+			*line++ = '\0';
+
+			while (isspace((unsigned char)*line))
+				line++;
+
+			args[++arg] = line;
+			continue;
+		}
+
+		line++;
+	}
+
+	while (++arg <= MAX_STATS_ARGS)
+		args[arg] = line;
+
+	/* remove \ */
+	arg = 0;
+	while (*args[arg] != '\0') {
+		j = 0;
+		for (i=0; args[arg][i] != '\0'; i++) {
+			if (args[arg][i] == '\\')
+				continue;
+			args[arg][j] = args[arg][i];
+			j++;
+		}
+		args[arg][j] = '\0';
+		arg++;
+	}
+
+	appctx->ctx.stats.scope_str = 0;
+	appctx->ctx.stats.scope_len = 0;
+	appctx->ctx.stats.flags = 0;
+	if ((kw = cli_find_kw(args))) {
+		if (kw->parse) {
+			if (kw->parse(args, appctx, kw->private) == 0 && kw->io_handler) {
+				appctx->st0 = STAT_CLI_O_CUSTOM;
+				appctx->io_handler = kw->io_handler;
+				appctx->io_release = kw->io_release;
+			}
+		}
+	} else if (strcmp(args[0], "show") == 0) {
+		if (strcmp(args[1], "backend") == 0) {
+			appctx->ctx.be.px = NULL;
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_BACKEND;
+		}
+		else if (strcmp(args[1], "env") == 0) {
+			extern char **environ;
+
+			if (strm_li(s)->bind_conf->level < ACCESS_LVL_OPER) {
+				appctx->ctx.cli.msg = stats_permission_denied_msg;
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+			appctx->ctx.env.var = environ;
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_ENV; // stats_dump_env_to_buffer
+
+			if (*args[2]) {
+				int len = strlen(args[2]);
+
+				for (; *appctx->ctx.env.var; appctx->ctx.env.var++) {
+					if (strncmp(*appctx->ctx.env.var, args[2], len) == 0 &&
+					    (*appctx->ctx.env.var)[len] == '=')
+						break;
+				}
+				if (!*appctx->ctx.env.var) {
+					appctx->ctx.cli.msg = "Variable not found\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+				appctx->st2 = STAT_ST_END;
+			}
+		}
+		else if (strcmp(args[1], "stat") == 0) {
+			if (strcmp(args[2], "resolvers") == 0) {
+				struct dns_resolvers *presolvers;
+
+				if (*args[3]) {
+					appctx->ctx.resolvers.ptr = NULL;
+					list_for_each_entry(presolvers, &dns_resolvers, list) {
+						if (strcmp(presolvers->id, args[3]) == 0) {
+							appctx->ctx.resolvers.ptr = presolvers;
+							break;
+						}
+					}
+					if (appctx->ctx.resolvers.ptr == NULL) {
+						appctx->ctx.cli.msg = "Can't find that resolvers section\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+				}
+
+				appctx->st2 = STAT_ST_INIT;
+				appctx->st0 = STAT_CLI_O_RESOLVERS;
+				return 1;
+			}
+			else if (*args[2] && *args[3] && *args[4]) {
+				appctx->ctx.stats.flags |= STAT_BOUND;
+				appctx->ctx.stats.iid = atoi(args[2]);
+				appctx->ctx.stats.type = atoi(args[3]);
+				appctx->ctx.stats.sid = atoi(args[4]);
+				if (strcmp(args[5], "typed") == 0)
+					appctx->ctx.stats.flags |= STAT_FMT_TYPED;
+			}
+			else if (strcmp(args[2], "typed") == 0)
+				appctx->ctx.stats.flags |= STAT_FMT_TYPED;
+
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_STAT; // stats_dump_stat_to_buffer
+		}
+		else if (strcmp(args[1], "info") == 0) {
+			if (strcmp(args[2], "typed") == 0)
+				appctx->ctx.stats.flags |= STAT_FMT_TYPED;
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_INFO; // stats_dump_info_to_buffer
+		}
+		else if (strcmp(args[1], "servers") == 0 && strcmp(args[2], "state") == 0) {
+			appctx->ctx.server_state.iid = 0;
+			appctx->ctx.server_state.px = NULL;
+			appctx->ctx.server_state.sv = NULL;
+
+			/* check if a backend name has been provided */
+			if (*args[3]) {
+				/* read server state from local file */
+				appctx->ctx.server_state.px = proxy_be_by_name(args[3]);
+
+				if (!appctx->ctx.server_state.px) {
+					appctx->ctx.cli.msg = "Can't find backend.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+				appctx->ctx.server_state.iid = appctx->ctx.server_state.px->uuid;
+			}
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_SERVERS_STATE; // stats_dump_servers_state_to_buffer
+			return 1;
+		}
+		else if (strcmp(args[1], "pools") == 0) {
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_POOLS; // stats_dump_pools_to_buffer
+		}
+		else if (strcmp(args[1], "sess") == 0) {
+			appctx->st2 = STAT_ST_INIT;
+			if (strm_li(s)->bind_conf->level < ACCESS_LVL_OPER) {
+				appctx->ctx.cli.msg = stats_permission_denied_msg;
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+			if (*args[2] && strcmp(args[2], "all") == 0)
+				appctx->ctx.sess.target = (void *)-1;
+			else if (*args[2])
+				appctx->ctx.sess.target = (void *)strtoul(args[2], NULL, 0);
+			else
+				appctx->ctx.sess.target = NULL;
+			appctx->ctx.sess.section = 0; /* start with stream status */
+			appctx->ctx.sess.pos = 0;
+			appctx->st0 = STAT_CLI_O_SESS; // stats_dump_sess_to_buffer
+		}
+		else if (strcmp(args[1], "errors") == 0) {
+			if (strm_li(s)->bind_conf->level < ACCESS_LVL_OPER) {
+				appctx->ctx.cli.msg = stats_permission_denied_msg;
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+			if (*args[2])
+				appctx->ctx.errors.iid	= atoi(args[2]);
+			else
+				appctx->ctx.errors.iid	= -1;
+			appctx->ctx.errors.px = NULL;
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_ERR; // stats_dump_errors_to_buffer
+		}
+		else if (strcmp(args[1], "table") == 0) {
+			stats_sock_table_request(si, args, STAT_CLI_O_TAB);
+		}
+		else if (strcmp(args[1], "tls-keys") == 0) {
+#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
+			appctx->ctx.tlskeys.dump_all = 0;
+			/* no parameter, shows only file list */
+			if (!*args[2]) {
+				appctx->ctx.tlskeys.dump_all = 1;
+				appctx->st2 = STAT_ST_INIT;
+				appctx->st0 = STAT_CLI_O_TLSK;
+				return 1;
+			}
+
+			if (args[2][0] == '*') {
+				/* list every TLS ticket keys */
+				appctx->ctx.tlskeys.ref = NULL;
+				appctx->ctx.tlskeys.dump_all = 1;
+			} else {
+				appctx->ctx.tlskeys.ref = tlskeys_ref_lookup_ref(args[2]);
+				if(!appctx->ctx.tlskeys.ref) {
+					appctx->ctx.cli.msg = "'show tls-keys' unable to locate referenced filename\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_TLSK_ENT;
+
+#else
+			appctx->ctx.cli.msg = "HAProxy was compiled against a version of OpenSSL "
+						"that doesn't support specifying TLS ticket keys\n";
+			appctx->st0 = STAT_CLI_PRINT;
+#endif
+			return 1;
+		}
+		else if (strcmp(args[1], "map") == 0 ||
+		         strcmp(args[1], "acl") == 0) {
+
+			/* Set ACL or MAP flags. */
+			if (args[1][0] == 'm')
+				appctx->ctx.map.display_flags = PAT_REF_MAP;
+			else
+				appctx->ctx.map.display_flags = PAT_REF_ACL;
+
+			/* no parameter: display all map available */
+			if (!*args[2]) {
+				appctx->st2 = STAT_ST_INIT;
+				appctx->st0 = STAT_CLI_O_PATS;
+				return 1;
+			}
+
+			/* lookup into the refs and check the map flag */
+			appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
+			if (!appctx->ctx.map.ref ||
+			    !(appctx->ctx.map.ref->flags & appctx->ctx.map.display_flags)) {
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
+				else
+					appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_PAT;
+		}
+		else { /* neither "stat" nor "info" nor "sess" nor "errors" nor "table" */
+			return 0;
+		}
+	}
+	else if (strcmp(args[0], "clear") == 0) {
+		if (strcmp(args[1], "counters") == 0) {
+			struct proxy *px;
+			struct server *sv;
+			struct listener *li;
+			int clrall = 0;
+
+			if (strcmp(args[2], "all") == 0)
+				clrall = 1;
+
+			/* check permissions */
+			if (strm_li(s)->bind_conf->level < ACCESS_LVL_OPER ||
+			    (clrall && strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN)) {
+				appctx->ctx.cli.msg = stats_permission_denied_msg;
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			for (px = proxy; px; px = px->next) {
+				if (clrall) {
+					memset(&px->be_counters, 0, sizeof(px->be_counters));
+					memset(&px->fe_counters, 0, sizeof(px->fe_counters));
+				}
+				else {
+					px->be_counters.conn_max = 0;
+					px->be_counters.p.http.rps_max = 0;
+					px->be_counters.sps_max = 0;
+					px->be_counters.cps_max = 0;
+					px->be_counters.nbpend_max = 0;
+
+					px->fe_counters.conn_max = 0;
+					px->fe_counters.p.http.rps_max = 0;
+					px->fe_counters.sps_max = 0;
+					px->fe_counters.cps_max = 0;
+					px->fe_counters.nbpend_max = 0;
+				}
+
+				for (sv = px->srv; sv; sv = sv->next)
+					if (clrall)
+						memset(&sv->counters, 0, sizeof(sv->counters));
+					else {
+						sv->counters.cur_sess_max = 0;
+						sv->counters.nbpend_max = 0;
+						sv->counters.sps_max = 0;
+					}
+
+				list_for_each_entry(li, &px->conf.listeners, by_fe)
+					if (li->counters) {
+						if (clrall)
+							memset(li->counters, 0, sizeof(*li->counters));
+						else
+							li->counters->conn_max = 0;
+					}
+			}
+
+			global.cps_max = 0;
+			global.sps_max = 0;
+			return 1;
+		}
+		else if (strcmp(args[1], "table") == 0) {
+			stats_sock_table_request(si, args, STAT_CLI_O_CLR);
+			/* end of processing */
+			return 1;
+		}
+		else if (strcmp(args[1], "map") == 0 || strcmp(args[1], "acl") == 0) {
+			/* Set ACL or MAP flags. */
+			if (args[1][0] == 'm')
+				appctx->ctx.map.display_flags = PAT_REF_MAP;
+			else
+				appctx->ctx.map.display_flags = PAT_REF_ACL;
+
+			/* no parameter */
+			if (!*args[2]) {
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					appctx->ctx.cli.msg = "Missing map identifier.\n";
+				else
+					appctx->ctx.cli.msg = "Missing ACL identifier.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* lookup into the refs and check the map flag */
+			appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
+			if (!appctx->ctx.map.ref ||
+			    !(appctx->ctx.map.ref->flags & appctx->ctx.map.display_flags)) {
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
+				else
+					appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* Clear all. */
+			pat_ref_prune(appctx->ctx.map.ref);
+
+			/* return response */
+			appctx->st0 = STAT_CLI_PROMPT;
+			return 1;
+		}
+		else {
+			/* unknown "clear" argument */
+			return 0;
+		}
+	}
+	else if (strcmp(args[0], "get") == 0) {
+		if (strcmp(args[1], "weight") == 0) {
+			struct proxy *px;
+			struct server *sv;
+
+			/* split "backend/server" and make <line> point to server */
+			for (line = args[2]; *line; line++)
+				if (*line == '/') {
+					*line++ = '\0';
+					break;
+				}
+
+			if (!*line) {
+				appctx->ctx.cli.msg = "Require 'backend/server'.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			if (!get_backend_server(args[2], line, &px, &sv)) {
+				appctx->ctx.cli.msg = px ? "No such server.\n" : "No such backend.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* return server's effective weight at the moment */
+			snprintf(trash.str, trash.size, "%d (initial %d)\n", sv->uweight, sv->iweight);
+			if (bi_putstr(si_ic(si), trash.str) == -1)
+				si_applet_cant_put(si);
+
+			return 1;
+		}
+		else if (strcmp(args[1], "map") == 0 || strcmp(args[1], "acl") == 0) {
+			/* Set flags. */
+			if (args[1][0] == 'm')
+				appctx->ctx.map.display_flags = PAT_REF_MAP;
+			else
+				appctx->ctx.map.display_flags = PAT_REF_ACL;
+
+			/* No parameter. */
+			if (!*args[2] || !*args[3]) {
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					appctx->ctx.cli.msg = "Missing map identifier and/or key.\n";
+				else
+					appctx->ctx.cli.msg = "Missing ACL identifier and/or key.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* lookup into the maps */
+			appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
+			if (!appctx->ctx.map.ref) {
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
+				else
+					appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* copy input string. The string must be allocated because
+			 * it may be used over multiple iterations. It's released
+			 * at the end and upon abort anyway.
+			 */
+			appctx->ctx.map.chunk.len = strlen(args[3]);
+			appctx->ctx.map.chunk.size = appctx->ctx.map.chunk.len + 1;
+			appctx->ctx.map.chunk.str = strdup(args[3]);
+			if (!appctx->ctx.map.chunk.str) {
+				appctx->ctx.cli.msg = "Out of memory error.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* prepare response */
+			appctx->st2 = STAT_ST_INIT;
+			appctx->st0 = STAT_CLI_O_MLOOK;
+		}
+		else { /* not "get weight" */
+			return 0;
+		}
+	}
+	else if (strcmp(args[0], "set") == 0) {
+		if (strcmp(args[1], "weight") == 0) {
+			struct server *sv;
+			const char *warning;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			warning = server_parse_weight_change_request(sv, args[3]);
+			if (warning) {
+				appctx->ctx.cli.msg = warning;
+				appctx->st0 = STAT_CLI_PRINT;
+			}
+			return 1;
+		}
+		else if (strcmp(args[1], "server") == 0) {
+			struct server *sv;
+			const char *warning;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			if (strcmp(args[3], "weight") == 0) {
+				warning = server_parse_weight_change_request(sv, args[4]);
+				if (warning) {
+					appctx->ctx.cli.msg = warning;
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+			}
+			else if (strcmp(args[3], "state") == 0) {
+				if (strcmp(args[4], "ready") == 0)
+					srv_adm_set_ready(sv);
+				else if (strcmp(args[4], "drain") == 0)
+					srv_adm_set_drain(sv);
+				else if (strcmp(args[4], "maint") == 0)
+					srv_adm_set_maint(sv);
+				else {
+					appctx->ctx.cli.msg = "'set server <srv> state' expects 'ready', 'drain' and 'maint'.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+			}
+			else if (strcmp(args[3], "health") == 0) {
+				if (sv->track) {
+					appctx->ctx.cli.msg = "cannot change health on a tracking server.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+				else if (strcmp(args[4], "up") == 0) {
+					sv->check.health = sv->check.rise + sv->check.fall - 1;
+					srv_set_running(sv, "changed from CLI");
+				}
+				else if (strcmp(args[4], "stopping") == 0) {
+					sv->check.health = sv->check.rise + sv->check.fall - 1;
+					srv_set_stopping(sv, "changed from CLI");
+				}
+				else if (strcmp(args[4], "down") == 0) {
+					sv->check.health = 0;
+					srv_set_stopped(sv, "changed from CLI");
+				}
+				else {
+					appctx->ctx.cli.msg = "'set server <srv> health' expects 'up', 'stopping', or 'down'.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+			}
+			else if (strcmp(args[3], "agent") == 0) {
+				if (!(sv->agent.state & CHK_ST_ENABLED)) {
+					appctx->ctx.cli.msg = "agent checks are not enabled on this server.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+				else if (strcmp(args[4], "up") == 0) {
+					sv->agent.health = sv->agent.rise + sv->agent.fall - 1;
+					srv_set_running(sv, "changed from CLI");
+				}
+				else if (strcmp(args[4], "down") == 0) {
+					sv->agent.health = 0;
+					srv_set_stopped(sv, "changed from CLI");
+				}
+				else {
+					appctx->ctx.cli.msg = "'set server <srv> agent' expects 'up' or 'down'.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+			}
+			else if (strcmp(args[3], "check-port") == 0) {
+				int i = 0;
+				if (strl2irc(args[4], strlen(args[4]), &i) != 0) {
+					appctx->ctx.cli.msg = "'set server <srv> check-port' expects an integer as argument.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+				if ((i < 0) || (i > 65535)) {
+					appctx->ctx.cli.msg = "provided port is not valid.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+				/* prevent the update of port to 0 if MAPPORTS are in use */
+				if ((sv->flags & SRV_F_MAPPORTS) && (i == 0)) {
+					appctx->ctx.cli.msg = "can't unset 'port' since MAPPORTS is in use.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+				sv->check.port = i;
+				appctx->ctx.cli.msg = "health check port updated.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+			}
+			else if (strcmp(args[3], "addr") == 0) {
+				char *addr = NULL;
+				char *port = NULL;
+				if (strlen(args[4]) == 0) {
+					appctx->ctx.cli.msg = "set server <b>/<s> addr requires an address and optionally a port.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+				else {
+					addr = args[4];
+				}
+				if (strcmp(args[5], "port") == 0) {
+					port = args[6];
+				}
+				warning = update_server_addr_port(sv, addr, port, "stats socket command");
+				if (warning) {
+					appctx->ctx.cli.msg = warning;
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+				srv_clr_admin_flag(sv, SRV_ADMF_RMAINT);
+			}
+			else {
+				appctx->ctx.cli.msg = "'set server <srv>' only supports 'agent', 'health', 'state', 'weight', 'addr' and 'check-port'.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+			}
+			return 1;
+		}
+		else if (strcmp(args[1], "timeout") == 0) {
+			if (strcmp(args[2], "cli") == 0) {
+				unsigned timeout;
+				const char *res;
+
+				if (!*args[3]) {
+					appctx->ctx.cli.msg = "Expects an integer value.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				res = parse_time_err(args[3], &timeout, TIME_UNIT_S);
+				if (res || timeout < 1) {
+					appctx->ctx.cli.msg = "Invalid timeout value.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				s->req.rto = s->res.wto = 1 + MS_TO_TICKS(timeout*1000);
+				task_wakeup(s->task, TASK_WOKEN_MSG); // recompute timeouts
+				return 1;
+			}
+			else {
+				appctx->ctx.cli.msg = "'set timeout' only supports 'cli'.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+		}
+		else if (strcmp(args[1], "maxconn") == 0) {
+			if (strcmp(args[2], "frontend") == 0) {
+				struct proxy *px;
+				struct listener *l;
+				int v;
+
+				px = expect_frontend_admin(s, si, args[3]);
+				if (!px)
+					return 1;
+
+				if (!*args[4]) {
+					appctx->ctx.cli.msg = "Integer value expected.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				v = atoi(args[4]);
+				if (v < 0) {
+					appctx->ctx.cli.msg = "Value out of range.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				/* OK, the value is fine, so we assign it to the proxy and to all of
+				 * its listeners. The blocked ones will be dequeued.
+				 */
+				px->maxconn = v;
+				list_for_each_entry(l, &px->conf.listeners, by_fe) {
+					l->maxconn = v;
+					if (l->state == LI_FULL)
+						resume_listener(l);
+				}
+
+				if (px->maxconn > px->feconn && !LIST_ISEMPTY(&px->listener_queue))
+					dequeue_all_listeners(&px->listener_queue);
+
+				return 1;
+			}
+			else if (strcmp(args[2], "server") == 0) {
+				struct server *sv;
+				const char *warning;
+
+				sv = expect_server_admin(s, si, args[3]);
+				if (!sv)
+					return 1;
+
+				warning = server_parse_maxconn_change_request(sv, args[4]);
+				if (warning) {
+					appctx->ctx.cli.msg = warning;
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+
+				return 1;
+			}
+			else if (strcmp(args[2], "global") == 0) {
+				int v;
+
+				if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+					appctx->ctx.cli.msg = stats_permission_denied_msg;
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				if (!*args[3]) {
+					appctx->ctx.cli.msg = "Expects an integer value.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				v = atoi(args[3]);
+				if (v > global.hardmaxconn) {
+					appctx->ctx.cli.msg = "Value out of range.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				/* check for unlimited values */
+				if (v <= 0)
+					v = global.hardmaxconn;
+
+				global.maxconn = v;
+
+				/* Dequeues all of the listeners waiting for a resource */
+				if (!LIST_ISEMPTY(&global_listener_queue))
+					dequeue_all_listeners(&global_listener_queue);
+
+				return 1;
+			}
+			else {
+				appctx->ctx.cli.msg = "'set maxconn' only supports 'frontend', 'server', and 'global'.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+		}
+		else if (strcmp(args[1], "rate-limit") == 0) {
+			if (strcmp(args[2], "connections") == 0) {
+				if (strcmp(args[3], "global") == 0) {
+					int v;
+
+					if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+						appctx->ctx.cli.msg = stats_permission_denied_msg;
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					if (!*args[4]) {
+						appctx->ctx.cli.msg = "Expects an integer value.\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					v = atoi(args[4]);
+					if (v < 0) {
+						appctx->ctx.cli.msg = "Value out of range.\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					global.cps_lim = v;
+
+					/* Dequeues all of the listeners waiting for a resource */
+					if (!LIST_ISEMPTY(&global_listener_queue))
+						dequeue_all_listeners(&global_listener_queue);
+
+					return 1;
+				}
+				else {
+					appctx->ctx.cli.msg = "'set rate-limit connections' only supports 'global'.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+			else if (strcmp(args[2], "sessions") == 0) {
+				if (strcmp(args[3], "global") == 0) {
+					int v;
+
+					if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+						appctx->ctx.cli.msg = stats_permission_denied_msg;
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					if (!*args[4]) {
+						appctx->ctx.cli.msg = "Expects an integer value.\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					v = atoi(args[4]);
+					if (v < 0) {
+						appctx->ctx.cli.msg = "Value out of range.\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					global.sps_lim = v;
+
+					/* Dequeues all of the listeners waiting for a resource */
+					if (!LIST_ISEMPTY(&global_listener_queue))
+						dequeue_all_listeners(&global_listener_queue);
+
+					return 1;
+				}
+				else {
+					appctx->ctx.cli.msg = "'set rate-limit sessions' only supports 'global'.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+#ifdef USE_OPENSSL
+			else if (strcmp(args[2], "ssl-sessions") == 0) {
+				if (strcmp(args[3], "global") == 0) {
+					int v;
+
+					if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+						appctx->ctx.cli.msg = stats_permission_denied_msg;
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					if (!*args[4]) {
+						appctx->ctx.cli.msg = "Expects an integer value.\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					v = atoi(args[4]);
+					if (v < 0) {
+						appctx->ctx.cli.msg = "Value out of range.\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					global.ssl_lim = v;
+
+					/* Dequeues all of the listeners waiting for a resource */
+					if (!LIST_ISEMPTY(&global_listener_queue))
+						dequeue_all_listeners(&global_listener_queue);
+
+					return 1;
+				}
+				else {
+					appctx->ctx.cli.msg = "'set rate-limit ssl-sessions' only supports 'global'.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+#endif
+			else if (strcmp(args[2], "http-compression") == 0) {
+				if (strcmp(args[3], "global") == 0) {
+					int v;
+
+					if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+						appctx->ctx.cli.msg = stats_permission_denied_msg;
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					if (!*args[4]) {
+						appctx->ctx.cli.msg = "Expects a maximum input byte rate in kB/s.\n";
+						appctx->st0 = STAT_CLI_PRINT;
+						return 1;
+					}
+
+					v = atoi(args[4]);
+					global.comp_rate_lim = v * 1024; /* Kilo to bytes. */
+				}
+				else {
+					appctx->ctx.cli.msg = "'set rate-limit http-compression' only supports 'global'.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+			else {
+				appctx->ctx.cli.msg = "'set rate-limit' supports 'connections', 'sessions', 'ssl-sessions', and 'http-compression'.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+		}
+		else if (strcmp(args[1], "table") == 0) {
+			stats_sock_table_request(si, args, STAT_CLI_O_SET);
+		}
+		else if (strcmp(args[1], "map") == 0) {
+			char *err;
+
+			/* Set flags. */
+			appctx->ctx.map.display_flags = PAT_REF_MAP;
+
+			/* Expect three parameters: map name, key and new value. */
+			if (!*args[2] || !*args[3] || !*args[4]) {
+				appctx->ctx.cli.msg = "'set map' expects three parameters: map identifier, key and value.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* Lookup the reference in the maps. */
+			appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
+			if (!appctx->ctx.map.ref) {
+				appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* If the entry identifier start with a '#', it is considered as
+			 * pointer id
+			 */
+			if (args[3][0] == '#' && args[3][1] == '0' && args[3][2] == 'x') {
+				struct pat_ref_elt *ref;
+				long long int conv;
+				char *error;
+
+				/* Convert argument to integer value. */
+				conv = strtoll(&args[3][1], &error, 16);
+				if (*error != '\0') {
+					appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				/* Convert and check integer to pointer. */
+				ref = (struct pat_ref_elt *)(long)conv;
+				if ((long long int)(long)ref != conv) {
+					appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				/* Try to delete the entry. */
+				err = NULL;
+				if (!pat_ref_set_by_id(appctx->ctx.map.ref, ref, args[4], &err)) {
+					if (err)
+						memprintf(&err, "%s.\n", err);
+					appctx->ctx.cli.err = err;
+					appctx->st0 = STAT_CLI_PRINT_FREE;
+					return 1;
+				}
+			}
+			else {
+				/* Else, use the entry identifier as pattern
+				 * string, and update the value.
+				 */
+				err = NULL;
+				if (!pat_ref_set(appctx->ctx.map.ref, args[3], args[4], &err)) {
+					if (err)
+						memprintf(&err, "%s.\n", err);
+					appctx->ctx.cli.err = err;
+					appctx->st0 = STAT_CLI_PRINT_FREE;
+					return 1;
+				}
+			}
+
+			/* The set is done, send message. */
+			appctx->st0 = STAT_CLI_PROMPT;
+			return 1;
+		}
+#ifdef USE_OPENSSL
+		else if (strcmp(args[1], "ssl") == 0) {
+			if (strcmp(args[2], "ocsp-response") == 0) {
+#if (defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP)
+				char *err = NULL;
+
+				/* Expect one parameter: the new response in base64 encoding */
+				if (!*args[3]) {
+					appctx->ctx.cli.msg = "'set ssl ocsp-response' expects response in base64 encoding.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				trash.len = base64dec(args[3], strlen(args[3]), trash.str, trash.size);
+				if (trash.len < 0) {
+					appctx->ctx.cli.msg = "'set ssl ocsp-response' received invalid base64 encoded response.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				if (ssl_sock_update_ocsp_response(&trash, &err)) {
+					if (err) {
+						memprintf(&err, "%s.\n", err);
+						appctx->ctx.cli.err = err;
+						appctx->st0 = STAT_CLI_PRINT_FREE;
+					}
+					return 1;
+				}
+				appctx->ctx.cli.msg = "OCSP Response updated!";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+#else
+				appctx->ctx.cli.msg = "HAProxy was compiled against a version of OpenSSL that doesn't support OCSP stapling.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+#endif
+			}
+			else if (strcmp(args[2], "tls-key") == 0) {
+#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
+				/* Expect two parameters: the filename and the new new TLS key in encoding */
+				if (!*args[3] || !*args[4]) {
+					appctx->ctx.cli.msg = "'set ssl tls-key' expects a filename and the new TLS key in base64 encoding.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				appctx->ctx.tlskeys.ref = tlskeys_ref_lookup_ref(args[3]);
+				if(!appctx->ctx.tlskeys.ref) {
+					appctx->ctx.cli.msg = "'set ssl tls-key' unable to locate referenced filename\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				trash.len = base64dec(args[4], strlen(args[4]), trash.str, trash.size);
+				if (trash.len != sizeof(struct tls_sess_key)) {
+					appctx->ctx.cli.msg = "'set ssl tls-key' received invalid base64 encoded TLS key.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				memcpy(appctx->ctx.tlskeys.ref->tlskeys + ((appctx->ctx.tlskeys.ref->tls_ticket_enc_index + 2) % TLS_TICKETS_NO), trash.str, trash.len);
+				appctx->ctx.tlskeys.ref->tls_ticket_enc_index = (appctx->ctx.tlskeys.ref->tls_ticket_enc_index + 1) % TLS_TICKETS_NO;
+
+				appctx->ctx.cli.msg = "TLS ticket key updated!";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+#else
+				appctx->ctx.cli.msg = "HAProxy was compiled against a version of OpenSSL "
+							"that doesn't support specifying TLS ticket keys\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+#endif
+			}
+			else {
+				appctx->ctx.cli.msg = "'set ssl' only supports 'ocsp-response'.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+		}
+#endif
+		else { /* unknown "set" parameter */
+			return 0;
+		}
+	}
+	else if (strcmp(args[0], "enable") == 0) {
+		if (strcmp(args[1], "agent") == 0) {
+			struct server *sv;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			if (!(sv->agent.state & CHK_ST_CONFIGURED)) {
+				appctx->ctx.cli.msg = "Agent was not configured on this server, cannot enable.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			sv->agent.state |= CHK_ST_ENABLED;
+			return 1;
+		}
+		else if (strcmp(args[1], "health") == 0) {
+			struct server *sv;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			if (!(sv->check.state & CHK_ST_CONFIGURED)) {
+				appctx->ctx.cli.msg = "Health checks are not configured on this server, cannot enable.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			sv->check.state |= CHK_ST_ENABLED;
+			return 1;
+		}
+		else if (strcmp(args[1], "server") == 0) {
+			struct server *sv;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			srv_adm_set_ready(sv);
+			return 1;
+		}
+		else if (strcmp(args[1], "frontend") == 0) {
+			struct proxy *px;
+
+			px = expect_frontend_admin(s, si, args[2]);
+			if (!px)
+				return 1;
+
+			if (px->state == PR_STSTOPPED) {
+				appctx->ctx.cli.msg = "Frontend was previously shut down, cannot enable.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			if (px->state != PR_STPAUSED) {
+				appctx->ctx.cli.msg = "Frontend is already enabled.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			if (!resume_proxy(px)) {
+				appctx->ctx.cli.msg = "Failed to resume frontend, check logs for precise cause (port conflict?).\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+			return 1;
+		}
+		else { /* unknown "enable" parameter */
+			appctx->ctx.cli.msg = "'enable' only supports 'agent', 'frontend', 'health', and 'server'.\n";
+			appctx->st0 = STAT_CLI_PRINT;
+			return 1;
+		}
+	}
+	else if (strcmp(args[0], "disable") == 0) {
+		if (strcmp(args[1], "agent") == 0) {
+			struct server *sv;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			sv->agent.state &= ~CHK_ST_ENABLED;
+			return 1;
+		}
+		else if (strcmp(args[1], "health") == 0) {
+			struct server *sv;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			sv->check.state &= ~CHK_ST_ENABLED;
+			return 1;
+		}
+		else if (strcmp(args[1], "server") == 0) {
+			struct server *sv;
+
+			sv = expect_server_admin(s, si, args[2]);
+			if (!sv)
+				return 1;
+
+			srv_adm_set_maint(sv);
+			return 1;
+		}
+		else if (strcmp(args[1], "frontend") == 0) {
+			struct proxy *px;
+
+			px = expect_frontend_admin(s, si, args[2]);
+			if (!px)
+				return 1;
+
+			if (px->state == PR_STSTOPPED) {
+				appctx->ctx.cli.msg = "Frontend was previously shut down, cannot disable.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			if (px->state == PR_STPAUSED) {
+				appctx->ctx.cli.msg = "Frontend is already disabled.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			if (!pause_proxy(px)) {
+				appctx->ctx.cli.msg = "Failed to pause frontend, check logs for precise cause.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+			return 1;
+		}
+		else { /* unknown "disable" parameter */
+			appctx->ctx.cli.msg = "'disable' only supports 'agent', 'frontend', 'health', and 'server'.\n";
+			appctx->st0 = STAT_CLI_PRINT;
+			return 1;
+		}
+	}
+	else if (strcmp(args[0], "shutdown") == 0) {
+		if (strcmp(args[1], "frontend") == 0) {
+			struct proxy *px;
+
+			px = expect_frontend_admin(s, si, args[2]);
+			if (!px)
+				return 1;
+
+			if (px->state == PR_STSTOPPED) {
+				appctx->ctx.cli.msg = "Frontend was already shut down.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			Warning("Proxy %s stopped (FE: %lld conns, BE: %lld conns).\n",
+				px->id, px->fe_counters.cum_conn, px->be_counters.cum_conn);
+			send_log(px, LOG_WARNING, "Proxy %s stopped (FE: %lld conns, BE: %lld conns).\n",
+				 px->id, px->fe_counters.cum_conn, px->be_counters.cum_conn);
+			stop_proxy(px);
+			return 1;
+		}
+		else if (strcmp(args[1], "session") == 0) {
+			struct stream *sess, *ptr;
+
+			if (strm_li(s)->bind_conf->level < ACCESS_LVL_ADMIN) {
+				appctx->ctx.cli.msg = stats_permission_denied_msg;
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			if (!*args[2]) {
+				appctx->ctx.cli.msg = "Session pointer expected (use 'show sess').\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			ptr = (void *)strtoul(args[2], NULL, 0);
+
+			/* first, look for the requested stream in the stream table */
+			list_for_each_entry(sess, &streams, list) {
+				if (sess == ptr)
+					break;
+			}
+
+			/* do we have the stream ? */
+			if (sess != ptr) {
+				appctx->ctx.cli.msg = "No such session (use 'show sess').\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			stream_shutdown(sess, SF_ERR_KILLED);
+			return 1;
+		}
+		else if (strcmp(args[1], "sessions") == 0) {
+			if (strcmp(args[2], "server") == 0) {
+				struct server *sv;
+				struct stream *sess, *sess_bck;
+
+				sv = expect_server_admin(s, si, args[3]);
+				if (!sv)
+					return 1;
+
+				/* kill all the stream that are on this server */
+				list_for_each_entry_safe(sess, sess_bck, &sv->actconns, by_srv)
+					if (sess->srv_conn == sv)
+						stream_shutdown(sess, SF_ERR_KILLED);
+
+				return 1;
+			}
+			else {
+				appctx->ctx.cli.msg = "'shutdown sessions' only supports 'server'.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+		}
+		else { /* unknown "disable" parameter */
+			appctx->ctx.cli.msg = "'shutdown' only supports 'frontend', 'session' and 'sessions'.\n";
+			appctx->st0 = STAT_CLI_PRINT;
+			return 1;
+		}
+	}
+	else if (strcmp(args[0], "del") == 0) {
+		if (strcmp(args[1], "map") == 0 || strcmp(args[1], "acl") == 0) {
+			if (args[1][0] == 'm')
+				appctx->ctx.map.display_flags = PAT_REF_MAP;
+			else
+				appctx->ctx.map.display_flags = PAT_REF_ACL;
+
+			/* Expect two parameters: map name and key. */
+			if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
+				if (!*args[2] || !*args[3]) {
+					appctx->ctx.cli.msg = "This command expects two parameters: map identifier and key.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+
+			else {
+				if (!*args[2] || !*args[3]) {
+					appctx->ctx.cli.msg = "This command expects two parameters: ACL identifier and key.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+
+			/* Lookup the reference in the maps. */
+			appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
+			if (!appctx->ctx.map.ref ||
+			    !(appctx->ctx.map.ref->flags & appctx->ctx.map.display_flags)) {
+				appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* If the entry identifier start with a '#', it is considered as
+			 * pointer id
+			 */
+			if (args[3][0] == '#' && args[3][1] == '0' && args[3][2] == 'x') {
+				struct pat_ref_elt *ref;
+				long long int conv;
+				char *error;
+
+				/* Convert argument to integer value. */
+				conv = strtoll(&args[3][1], &error, 16);
+				if (*error != '\0') {
+					appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				/* Convert and check integer to pointer. */
+				ref = (struct pat_ref_elt *)(long)conv;
+				if ((long long int)(long)ref != conv) {
+					appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+
+				/* Try to delete the entry. */
+				if (!pat_ref_delete_by_id(appctx->ctx.map.ref, ref)) {
+					/* The entry is not found, send message. */
+					appctx->ctx.cli.msg = "Key not found.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+			else {
+				/* Else, use the entry identifier as pattern
+				 * string and try to delete the entry.
+				 */
+				if (!pat_ref_delete(appctx->ctx.map.ref, args[3])) {
+					/* The entry is not found, send message. */
+					appctx->ctx.cli.msg = "Key not found.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+
+			/* The deletion is done, send message. */
+			appctx->st0 = STAT_CLI_PROMPT;
+			return 1;
+		}
+		else { /* unknown "del" parameter */
+			appctx->ctx.cli.msg = "'del' only supports 'map' or 'acl'.\n";
+			appctx->st0 = STAT_CLI_PRINT;
+			return 1;
+		}
+	}
+	else if (strcmp(args[0], "add") == 0) {
+		if (strcmp(args[1], "map") == 0 ||
+		    strcmp(args[1], "acl") == 0) {
+			int ret;
+			char *err;
+
+			/* Set flags. */
+			if (args[1][0] == 'm')
+				appctx->ctx.map.display_flags = PAT_REF_MAP;
+			else
+				appctx->ctx.map.display_flags = PAT_REF_ACL;
+
+			/* If the keywork is "map", we expect three parameters, if it
+			 * is "acl", we expect only two parameters
+			 */
+			if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
+				if (!*args[2] || !*args[3] || !*args[4]) {
+					appctx->ctx.cli.msg = "'add map' expects three parameters: map identifier, key and value.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+			else {
+				if (!*args[2] || !*args[3]) {
+					appctx->ctx.cli.msg = "'add acl' expects two parameters: ACL identifier and pattern.\n";
+					appctx->st0 = STAT_CLI_PRINT;
+					return 1;
+				}
+			}
+
+			/* Lookup for the reference. */
+			appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
+			if (!appctx->ctx.map.ref) {
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
+				else
+					appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* The command "add acl" is prohibited if the reference
+			 * use samples.
+			 */
+			if ((appctx->ctx.map.display_flags & PAT_REF_ACL) &&
+			    (appctx->ctx.map.ref->flags & PAT_REF_SMP)) {
+				appctx->ctx.cli.msg = "This ACL is shared with a map containing samples. "
+				                      "You must use the command 'add map' to add values.\n";
+				appctx->st0 = STAT_CLI_PRINT;
+				return 1;
+			}
+
+			/* Add value. */
+			err = NULL;
+			if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+				ret = pat_ref_add(appctx->ctx.map.ref, args[3], args[4], &err);
+			else
+				ret = pat_ref_add(appctx->ctx.map.ref, args[3], NULL, &err);
+			if (!ret) {
+				if (err)
+					memprintf(&err, "%s.\n", err);
+				appctx->ctx.cli.err = err;
+				appctx->st0 = STAT_CLI_PRINT_FREE;
+				return 1;
+			}
+
+			/* The add is done, send message. */
+			appctx->st0 = STAT_CLI_PROMPT;
+			return 1;
+		}
+		else { /* unknown "del" parameter */
+			appctx->ctx.cli.msg = "'add' only supports 'map'.\n";
+			appctx->st0 = STAT_CLI_PRINT;
+			return 1;
+		}
+	}
+	else { /* not "show" nor "clear" nor "get" nor "set" nor "enable" nor "disable" */
+		return 0;
+	}
+	return 1;
+}
+
+/* This I/O handler runs as an applet embedded in a stream interface. It is
+ * used to processes I/O from/to the stats unix socket. The system relies on a
+ * state machine handling requests and various responses. We read a request,
+ * then we process it and send the response, and we possibly display a prompt.
+ * Then we can read again. The state is stored in appctx->st0 and is one of the
+ * STAT_CLI_* constants. appctx->st1 is used to indicate whether prompt is enabled
+ * or not.
+ */
+static void cli_io_handler(struct appctx *appctx)
+{
+	struct stream_interface *si = appctx->owner;
+	struct channel *req = si_oc(si);
+	struct channel *res = si_ic(si);
+	int reql;
+	int len;
+
+	if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
+		goto out;
+
+	while (1) {
+		if (appctx->st0 == STAT_CLI_INIT) {
+			/* Stats output not initialized yet */
+			memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats));
+			appctx->st0 = STAT_CLI_GETREQ;
+		}
+		else if (appctx->st0 == STAT_CLI_END) {
+			/* Let's close for real now. We just close the request
+			 * side, the conditions below will complete if needed.
+			 */
+			si_shutw(si);
+			break;
+		}
+		else if (appctx->st0 == STAT_CLI_GETREQ) {
+			/* ensure we have some output room left in the event we
+			 * would want to return some info right after parsing.
+			 */
+			if (buffer_almost_full(si_ib(si))) {
+				si_applet_cant_put(si);
+				break;
+			}
+
+			reql = bo_getline(si_oc(si), trash.str, trash.size);
+			if (reql <= 0) { /* closed or EOL not found */
+				if (reql == 0)
+					break;
+				appctx->st0 = STAT_CLI_END;
+				continue;
+			}
+
+			/* seek for a possible unescaped semi-colon. If we find
+			 * one, we replace it with an LF and skip only this part.
+			 */
+			for (len = 0; len < reql; len++) {
+				if (trash.str[len] == '\\') {
+					len++;
+					continue;
+				}
+				if (trash.str[len] == ';') {
+					trash.str[len] = '\n';
+					reql = len + 1;
+					break;
+				}
+			}
+
+			/* now it is time to check that we have a full line,
+			 * remove the trailing \n and possibly \r, then cut the
+			 * line.
+			 */
+			len = reql - 1;
+			if (trash.str[len] != '\n') {
+				appctx->st0 = STAT_CLI_END;
+				continue;
+			}
+
+			if (len && trash.str[len-1] == '\r')
+				len--;
+
+			trash.str[len] = '\0';
+
+			appctx->st0 = STAT_CLI_PROMPT;
+			if (len) {
+				if (strcmp(trash.str, "quit") == 0) {
+					appctx->st0 = STAT_CLI_END;
+					continue;
+				}
+				else if (strcmp(trash.str, "prompt") == 0)
+					appctx->st1 = !appctx->st1;
+				else if (strcmp(trash.str, "help") == 0 ||
+					 !stats_sock_parse_request(si, trash.str)) {
+					cli_gen_usage_msg();
+					if (dynamic_usage_msg)
+						appctx->ctx.cli.msg = dynamic_usage_msg;
+					else
+						appctx->ctx.cli.msg = stats_sock_usage_msg;
+					appctx->st0 = STAT_CLI_PRINT;
+				}
+				/* NB: stats_sock_parse_request() may have put
+				 * another STAT_CLI_O_* into appctx->st0.
+				 */
+			}
+			else if (!appctx->st1) {
+				/* if prompt is disabled, print help on empty lines,
+				 * so that the user at least knows how to enable
+				 * prompt and find help.
+				 */
+				cli_gen_usage_msg();
+				if (dynamic_usage_msg)
+					appctx->ctx.cli.msg = dynamic_usage_msg;
+				else
+					appctx->ctx.cli.msg = stats_sock_usage_msg;
+				appctx->st0 = STAT_CLI_PRINT;
+			}
+
+			/* re-adjust req buffer */
+			bo_skip(si_oc(si), reql);
+			req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */
+		}
+		else {	/* output functions */
+			switch (appctx->st0) {
+			case STAT_CLI_PROMPT:
+				break;
+			case STAT_CLI_PRINT:
+				if (bi_putstr(si_ic(si), appctx->ctx.cli.msg) != -1)
+					appctx->st0 = STAT_CLI_PROMPT;
+				else
+					si_applet_cant_put(si);
+				break;
+			case STAT_CLI_PRINT_FREE:
+				if (bi_putstr(si_ic(si), appctx->ctx.cli.err) != -1) {
+					free(appctx->ctx.cli.err);
+					appctx->st0 = STAT_CLI_PROMPT;
+				}
+				else
+					si_applet_cant_put(si);
+				break;
+			case STAT_CLI_O_BACKEND:
+				if (stats_dump_backend_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_INFO:
+				if (stats_dump_info_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_SERVERS_STATE:
+				if (stats_dump_servers_state_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_STAT:
+				if (stats_dump_stat_to_buffer(si, NULL))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_RESOLVERS:
+				if (stats_dump_resolvers_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_SESS:
+				if (stats_dump_sess_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_ERR:	/* errors dump */
+				if (stats_dump_errors_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_TAB:
+			case STAT_CLI_O_CLR:
+				if (stats_table_request(si, appctx->st0))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_PATS:
+				if (stats_pats_list(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_PAT:
+				if (stats_pat_list(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_MLOOK:
+				if (stats_map_lookup(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_POOLS:
+				if (stats_dump_pools_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
+			case STAT_CLI_O_TLSK:
+				if (stats_tlskeys_list(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_TLSK_ENT:
+				if (stats_tlskeys_list(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+#endif
+			case STAT_CLI_O_ENV:	/* environment dump */
+				if (stats_dump_env_to_buffer(si))
+					appctx->st0 = STAT_CLI_PROMPT;
+				break;
+			case STAT_CLI_O_CUSTOM: /* use custom pointer */
+				if (appctx->io_handler)
+					if (appctx->io_handler(appctx)) {
+						appctx->st0 = STAT_CLI_PROMPT;
+						if (appctx->io_release) {
+							appctx->io_release(appctx);
+							appctx->io_release = NULL;
+						}
+					}
+				break;
+			default: /* abnormal state */
+				si->flags |= SI_FL_ERR;
+				break;
+			}
+
+			/* The post-command prompt is either LF alone or LF + '> ' in interactive mode */
+			if (appctx->st0 == STAT_CLI_PROMPT) {
+				if (bi_putstr(si_ic(si), appctx->st1 ? "\n> " : "\n") != -1)
+					appctx->st0 = STAT_CLI_GETREQ;
+				else
+					si_applet_cant_put(si);
+			}
+
+			/* If the output functions are still there, it means they require more room. */
+			if (appctx->st0 >= STAT_CLI_OUTPUT)
+				break;
+
+			/* Now we close the output if one of the writers did so,
+			 * or if we're not in interactive mode and the request
+			 * buffer is empty. This still allows pipelined requests
+			 * to be sent in non-interactive mode.
+			 */
+			if ((res->flags & (CF_SHUTW|CF_SHUTW_NOW)) || (!appctx->st1 && !req->buf->o)) {
+				appctx->st0 = STAT_CLI_END;
+				continue;
+			}
+
+			/* switch state back to GETREQ to read next requests */
+			appctx->st0 = STAT_CLI_GETREQ;
+		}
+	}
+
+	if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST)) {
+		DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n",
+			__FUNCTION__, __LINE__, req->flags, res->flags, si->state);
+		/* Other side has closed, let's abort if we have no more processing to do
+		 * and nothing more to consume. This is comparable to a broken pipe, so
+		 * we forward the close to the request side so that it flows upstream to
+		 * the client.
+		 */
+		si_shutw(si);
+	}
+
+	if ((req->flags & CF_SHUTW) && (si->state == SI_ST_EST) && (appctx->st0 < STAT_CLI_OUTPUT)) {
+		DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n",
+			__FUNCTION__, __LINE__, req->flags, res->flags, si->state);
+		/* We have no more processing to do, and nothing more to send, and
+		 * the client side has closed. So we'll forward this state downstream
+		 * on the response buffer.
+		 */
+		si_shutr(si);
+		res->flags |= CF_READ_NULL;
+	}
+
+ out:
+	DPRINTF(stderr, "%s@%d: st=%d, rqf=%x, rpf=%x, rqh=%d, rqs=%d, rh=%d, rs=%d\n",
+		__FUNCTION__, __LINE__,
+		si->state, req->flags, res->flags, req->buf->i, req->buf->o, res->buf->i, res->buf->o);
+}
+
+/* Dump all fields from <info> into <out> using the "show info" format (name: value) */
+static int stats_dump_info_fields(struct chunk *out, const struct field *info)
+{
+	int field;
+
+	for (field = 0; field < INF_TOTAL_FIELDS; field++) {
+		if (!field_format(info, field))
+			continue;
+
+		if (!chunk_appendf(out, "%s: ", info_field_names[field]))
+			return 0;
+		if (!stats_emit_raw_data_field(out, &info[field]))
+			return 0;
+		if (!chunk_strcat(out, "\n"))
+			return 0;
+	}
+	return 1;
+}
+
+/* Dump all fields from <info> into <out> using the "show info typed" format */
+static int stats_dump_typed_info_fields(struct chunk *out, const struct field *info)
+{
+	int field;
+
+	for (field = 0; field < INF_TOTAL_FIELDS; field++) {
+		if (!field_format(info, field))
+			continue;
+
+		if (!chunk_appendf(out, "%d.%s.%u:", field, info_field_names[field], info[INF_PROCESS_NUM].u.u32))
+			return 0;
+		if (!stats_emit_field_tags(out, &info[field], ':'))
+			return 0;
+		if (!stats_emit_typed_data_field(out, &info[field]))
+			return 0;
+		if (!chunk_strcat(out, "\n"))
+			return 0;
+	}
+	return 1;
+}
+
+/* Fill <info> with HAProxy global info. <info> is preallocated
+ * array of length <len>. The length of the aray must be
+ * INF_TOTAL_FIELDS. If this length is less then this value, the
+ * function returns 0, otherwise, it returns 1.
+ */
+int stats_fill_info(struct field *info, int len)
+{
+	unsigned int up = (now.tv_sec - start_date.tv_sec);
+	struct chunk *out = get_trash_chunk();
+
+#ifdef USE_OPENSSL
+	int ssl_sess_rate = read_freq_ctr(&global.ssl_per_sec);
+	int ssl_key_rate = read_freq_ctr(&global.ssl_fe_keys_per_sec);
+	int ssl_reuse = 0;
+
+	if (ssl_key_rate < ssl_sess_rate) {
+		/* count the ssl reuse ratio and avoid overflows in both directions */
+		ssl_reuse = 100 - (100 * ssl_key_rate + (ssl_sess_rate - 1) / 2) / ssl_sess_rate;
+	}
+#endif
+
+	if (len < INF_TOTAL_FIELDS)
+		return 0;
+
+	chunk_reset(out);
+	memset(info, 0, sizeof(*info) * len);
+
+	info[INF_NAME]                           = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, PRODUCT_NAME);
+	info[INF_VERSION]                        = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, HAPROXY_VERSION);
+	info[INF_RELEASE_DATE]                   = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, HAPROXY_DATE);
+
+	info[INF_NBPROC]                         = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbproc);
+	info[INF_PROCESS_NUM]                    = mkf_u32(FO_KEY, relative_pid);
+	info[INF_PID]                            = mkf_u32(FO_STATUS, pid);
+
+	info[INF_UPTIME]                         = mkf_str(FN_DURATION, chunk_newstr(out));
+	chunk_appendf(out, "%ud %uh%02um%02us", up / 86400, (up % 86400) / 3600, (up % 3600) / 60, (up % 60));
+
+	info[INF_UPTIME_SEC]                     = mkf_u32(FN_DURATION, up);
+	info[INF_MEMMAX_MB]                      = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax);
+	info[INF_POOL_ALLOC_MB]                  = mkf_u32(0, (unsigned)(pool_total_allocated() / 1048576L));
+	info[INF_POOL_USED_MB]                   = mkf_u32(0, (unsigned)(pool_total_used() / 1048576L));
+	info[INF_POOL_FAILED]                    = mkf_u32(FN_COUNTER, pool_total_failures());
+	info[INF_ULIMIT_N]                       = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_nofile);
+	info[INF_MAXSOCK]                        = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxsock);
+	info[INF_MAXCONN]                        = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxconn);
+	info[INF_HARD_MAXCONN]                   = mkf_u32(FO_CONFIG|FN_LIMIT, global.hardmaxconn);
+	info[INF_CURR_CONN]                      = mkf_u32(0, actconn);
+	info[INF_CUM_CONN]                       = mkf_u32(FN_COUNTER, totalconn);
+	info[INF_CUM_REQ]                        = mkf_u32(FN_COUNTER, global.req_count);
+#ifdef USE_OPENSSL
+	info[INF_MAX_SSL_CONNS]                  = mkf_u32(FN_MAX, global.maxsslconn);
+	info[INF_CURR_SSL_CONNS]                 = mkf_u32(0, sslconns);
+	info[INF_CUM_SSL_CONNS]                  = mkf_u32(FN_COUNTER, totalsslconns);
+#endif
+	info[INF_MAXPIPES]                       = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxpipes);
+	info[INF_PIPES_USED]                     = mkf_u32(0, pipes_used);
+	info[INF_PIPES_FREE]                     = mkf_u32(0, pipes_free);
+	info[INF_CONN_RATE]                      = mkf_u32(FN_RATE, read_freq_ctr(&global.conn_per_sec));
+	info[INF_CONN_RATE_LIMIT]                = mkf_u32(FO_CONFIG|FN_LIMIT, global.cps_lim);
+	info[INF_MAX_CONN_RATE]                  = mkf_u32(FN_MAX, global.cps_max);
+	info[INF_SESS_RATE]                      = mkf_u32(FN_RATE, read_freq_ctr(&global.sess_per_sec));
+	info[INF_SESS_RATE_LIMIT]                = mkf_u32(FO_CONFIG|FN_LIMIT, global.sps_lim);
+	info[INF_MAX_SESS_RATE]                  = mkf_u32(FN_RATE, global.sps_max);
+
+#ifdef USE_OPENSSL
+	info[INF_SSL_RATE]                       = mkf_u32(FN_RATE, ssl_sess_rate);
+	info[INF_SSL_RATE_LIMIT]                 = mkf_u32(FO_CONFIG|FN_LIMIT, global.ssl_lim);
+	info[INF_MAX_SSL_RATE]                   = mkf_u32(FN_MAX, global.ssl_max);
+	info[INF_SSL_FRONTEND_KEY_RATE]          = mkf_u32(0, ssl_key_rate);
+	info[INF_SSL_FRONTEND_MAX_KEY_RATE]      = mkf_u32(FN_MAX, global.ssl_fe_keys_max);
+	info[INF_SSL_FRONTEND_SESSION_REUSE_PCT] = mkf_u32(0, ssl_reuse);
+	info[INF_SSL_BACKEND_KEY_RATE]           = mkf_u32(FN_RATE, read_freq_ctr(&global.ssl_be_keys_per_sec));
+	info[INF_SSL_BACKEND_MAX_KEY_RATE]       = mkf_u32(FN_MAX, global.ssl_be_keys_max);
+	info[INF_SSL_CACHE_LOOKUPS]              = mkf_u32(FN_COUNTER, global.shctx_lookups);
+	info[INF_SSL_CACHE_MISSES]               = mkf_u32(FN_COUNTER, global.shctx_misses);
+#endif
+	info[INF_COMPRESS_BPS_IN]                = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_in));
+	info[INF_COMPRESS_BPS_OUT]               = mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_out));
+	info[INF_COMPRESS_BPS_RATE_LIM]          = mkf_u32(FO_CONFIG|FN_LIMIT, global.comp_rate_lim);
+#ifdef USE_ZLIB
+	info[INF_ZLIB_MEM_USAGE]                 = mkf_u32(0, zlib_used_memory);
+	info[INF_MAX_ZLIB_MEM_USAGE]             = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxzlibmem);
+#endif
+	info[INF_TASKS]                          = mkf_u32(0, nb_tasks_cur);
+	info[INF_RUN_QUEUE]                      = mkf_u32(0, run_queue_cur);
+	info[INF_IDLE_PCT]                       = mkf_u32(FN_AVG, idle_pct);
+	info[INF_NODE]                           = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.node);
+	if (global.desc)
+		info[INF_DESCRIPTION]            = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.desc);
+
+	return 1;
+}
+
+/* This function dumps information onto the stream interface's read buffer.
+ * It returns 0 as long as it does not complete, non-zero upon completion.
+ * No state is used.
+ */
+static int stats_dump_info_to_buffer(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+
+	if (!stats_fill_info(info, INF_TOTAL_FIELDS))
+		return 0;
+
+	chunk_reset(&trash);
+
+	if (appctx->ctx.stats.flags & STAT_FMT_TYPED)
+		stats_dump_typed_info_fields(&trash, info);
+	else
+		stats_dump_info_fields(&trash, info);
+
+	if (bi_putchk(si_ic(si), &trash) == -1) {
+		si_applet_cant_put(si);
+		return 0;
+	}
+
+	return 1;
+}
+
+/* dumps server state information into <buf> for all the servers found in <backend>
+ * These information are all the parameters which may change during HAProxy runtime.
+ * By default, we only export to the last known server state file format.
+ * These information can be used at next startup to recover same level of server state.
+ */
+static int dump_servers_state(struct stream_interface *si, struct chunk *buf)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct server *srv;
+	char srv_addr[INET6_ADDRSTRLEN + 1];
+	time_t srv_time_since_last_change;
+	int bk_f_forced_id, srv_f_forced_id;
+
+
+	/* we don't want to report any state if the backend is not enabled on this process */
+	if (appctx->ctx.server_state.px->bind_proc && !(appctx->ctx.server_state.px->bind_proc & (1UL << (relative_pid - 1))))
+		return 1;
+
+	if (!appctx->ctx.server_state.sv)
+		appctx->ctx.server_state.sv = appctx->ctx.server_state.px->srv;
+
+	for (; appctx->ctx.server_state.sv != NULL; appctx->ctx.server_state.sv = srv->next) {
+		srv = appctx->ctx.server_state.sv;
+		srv_addr[0] = '\0';
+
+		switch (srv->addr.ss_family) {
+			case AF_INET:
+				inet_ntop(srv->addr.ss_family, &((struct sockaddr_in *)&srv->addr)->sin_addr,
+					  srv_addr, INET_ADDRSTRLEN + 1);
+				break;
+			case AF_INET6:
+				inet_ntop(srv->addr.ss_family, &((struct sockaddr_in6 *)&srv->addr)->sin6_addr,
+					  srv_addr, INET6_ADDRSTRLEN + 1);
+				break;
+		}
+		srv_time_since_last_change = now.tv_sec - srv->last_change;
+		bk_f_forced_id = appctx->ctx.server_state.px->options & PR_O_FORCED_ID ? 1 : 0;
+		srv_f_forced_id = srv->flags & SRV_F_FORCED_ID ? 1 : 0;
+
+		chunk_appendf(buf,
+				"%d %s "
+				"%d %s %s "
+				"%d %d %d %d %ld "
+				"%d %d %d %d %d "
+				"%d %d"
+				"\n",
+				appctx->ctx.server_state.px->uuid, appctx->ctx.server_state.px->id,
+				srv->puid, srv->id, srv_addr,
+				srv->state, srv->admin, srv->uweight, srv->iweight, (long int)srv_time_since_last_change,
+				srv->check.status, srv->check.result, srv->check.health, srv->check.state, srv->agent.state,
+				bk_f_forced_id, srv_f_forced_id);
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+	}
+	return 1;
+}
+
+/* Parses backend list and simply report backend names */
+static int stats_dump_backend_to_buffer(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	extern struct proxy *proxy;
+	struct proxy *curproxy;
+
+	chunk_reset(&trash);
+
+	if (!appctx->ctx.be.px) {
+		chunk_printf(&trash, "# name\n");
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+		appctx->ctx.be.px = proxy;
+	}
+
+	for (; appctx->ctx.be.px != NULL; appctx->ctx.be.px = curproxy->next) {
+		curproxy = appctx->ctx.be.px;
+
+		/* looking for backends only */
+		if (!(curproxy->cap & PR_CAP_BE))
+			continue;
+
+		/* we don't want to list a backend which is bound to this process */
+		if (curproxy->bind_proc && !(curproxy->bind_proc & (1UL << (relative_pid - 1))))
+			continue;
+
+		chunk_appendf(&trash, "%s\n", curproxy->id);
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+/* Parses backend list or simply use backend name provided by the user to return
+ * states of servers to stdout.
+ */
+static int stats_dump_servers_state_to_buffer(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	extern struct proxy *proxy;
+	struct proxy *curproxy;
+
+	chunk_reset(&trash);
+
+	if (appctx->st2 == STAT_ST_INIT) {
+		if (!appctx->ctx.server_state.px)
+			appctx->ctx.server_state.px = proxy;
+		appctx->st2 = STAT_ST_HEAD;
+	}
+
+	if (appctx->st2 == STAT_ST_HEAD) {
+		chunk_printf(&trash, "%d\n# %s\n", SRV_STATE_FILE_VERSION, SRV_STATE_FILE_FIELD_NAMES);
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+		appctx->st2 = STAT_ST_INFO;
+	}
+
+	/* STAT_ST_INFO */
+	for (; appctx->ctx.server_state.px != NULL; appctx->ctx.server_state.px = curproxy->next) {
+		curproxy = appctx->ctx.server_state.px;
+		/* servers are only in backends */
+		if (curproxy->cap & PR_CAP_BE) {
+			if (!dump_servers_state(si, &trash))
+				return 0;
+
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				si_applet_cant_put(si);
+				return 0;
+			}
+		}
+		/* only the selected proxy is dumped */
+		if (appctx->ctx.server_state.iid)
+			break;
+	}
+
+	return 1;
+}
+
+/* This function dumps memory usage information onto the stream interface's
+ * read buffer. It returns 0 as long as it does not complete, non-zero upon
+ * completion. No state is used.
+ */
+static int stats_dump_pools_to_buffer(struct stream_interface *si)
+{
+	dump_pools_to_trash();
+	if (bi_putchk(si_ic(si), &trash) == -1) {
+		si_applet_cant_put(si);
+		return 0;
+	}
+	return 1;
+}
+
+static inline const char *get_conn_ctrl_name(const struct connection *conn)
+{
+	if (!conn_ctrl_ready(conn))
+		return "NONE";
+	return conn->ctrl->name;
+}
+
+static inline const char *get_conn_xprt_name(const struct connection *conn)
+{
+	static char ptr[19];
+
+	if (!conn_xprt_ready(conn))
+		return "NONE";
+
+	if (conn->xprt == &raw_sock)
+		return "RAW";
+
+#ifdef USE_OPENSSL
+	if (conn->xprt == &ssl_sock)
+		return "SSL";
+#endif
+	snprintf(ptr, sizeof(ptr), "%p", conn->xprt);
+	return ptr;
+}
+
+static inline const char *get_conn_data_name(const struct connection *conn)
+{
+	static char ptr[19];
+
+	if (!conn->data)
+		return "NONE";
+
+	if (conn->data == &sess_conn_cb)
+		return "SESS";
+
+	if (conn->data == &si_conn_cb)
+		return "STRM";
+
+	if (conn->data == &check_conn_cb)
+		return "CHCK";
+
+	snprintf(ptr, sizeof(ptr), "%p", conn->data);
+	return ptr;
+}
+
+/* This function dumps a complete stream state onto the stream interface's
+ * read buffer. The stream has to be set in sess->target. It returns
+ * 0 if the output buffer is full and it needs to be called again, otherwise
+ * non-zero. It is designed to be called from stats_dump_sess_to_buffer() below.
+ */
+static int stats_dump_full_sess_to_buffer(struct stream_interface *si, struct stream *sess)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct tm tm;
+	extern const char *monthname[12];
+	char pn[INET6_ADDRSTRLEN];
+	struct connection *conn;
+	struct appctx *tmpctx;
+
+	chunk_reset(&trash);
+
+	if (appctx->ctx.sess.section > 0 && appctx->ctx.sess.uid != sess->uniq_id) {
+		/* stream changed, no need to go any further */
+		chunk_appendf(&trash, "  *** session terminated while we were watching it ***\n");
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+		appctx->ctx.sess.uid = 0;
+		appctx->ctx.sess.section = 0;
+		return 1;
+	}
+
+	switch (appctx->ctx.sess.section) {
+	case 0: /* main status of the stream */
+		appctx->ctx.sess.uid = sess->uniq_id;
+		appctx->ctx.sess.section = 1;
+		/* fall through */
+
+	case 1:
+		get_localtime(sess->logs.accept_date.tv_sec, &tm);
+		chunk_appendf(&trash,
+			     "%p: [%02d/%s/%04d:%02d:%02d:%02d.%06d] id=%u proto=%s",
+			     sess,
+			     tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900,
+			     tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(sess->logs.accept_date.tv_usec),
+			     sess->uniq_id,
+			     strm_li(sess) ? strm_li(sess)->proto->name : "?");
+
+		conn = objt_conn(strm_orig(sess));
+		switch (conn ? addr_to_str(&conn->addr.from, pn, sizeof(pn)) : AF_UNSPEC) {
+		case AF_INET:
+		case AF_INET6:
+			chunk_appendf(&trash, " source=%s:%d\n",
+			              pn, get_host_port(&conn->addr.from));
+			break;
+		case AF_UNIX:
+			chunk_appendf(&trash, " source=unix:%d\n", strm_li(sess)->luid);
+			break;
+		default:
+			/* no more information to print right now */
+			chunk_appendf(&trash, "\n");
+			break;
+		}
+
+		chunk_appendf(&trash,
+			     "  flags=0x%x, conn_retries=%d, srv_conn=%p, pend_pos=%p\n",
+			     sess->flags, sess->si[1].conn_retries, sess->srv_conn, sess->pend_pos);
+
+		chunk_appendf(&trash,
+			     "  frontend=%s (id=%u mode=%s), listener=%s (id=%u)",
+			     strm_fe(sess)->id, strm_fe(sess)->uuid, strm_fe(sess)->mode ? "http" : "tcp",
+			     strm_li(sess) ? strm_li(sess)->name ? strm_li(sess)->name : "?" : "?",
+			     strm_li(sess) ? strm_li(sess)->luid : 0);
+
+		if (conn)
+			conn_get_to_addr(conn);
+
+		switch (conn ? addr_to_str(&conn->addr.to, pn, sizeof(pn)) : AF_UNSPEC) {
+		case AF_INET:
+		case AF_INET6:
+			chunk_appendf(&trash, " addr=%s:%d\n",
+				     pn, get_host_port(&conn->addr.to));
+			break;
+		case AF_UNIX:
+			chunk_appendf(&trash, " addr=unix:%d\n", strm_li(sess)->luid);
+			break;
+		default:
+			/* no more information to print right now */
+			chunk_appendf(&trash, "\n");
+			break;
+		}
+
+		if (sess->be->cap & PR_CAP_BE)
+			chunk_appendf(&trash,
+				     "  backend=%s (id=%u mode=%s)",
+				     sess->be->id,
+				     sess->be->uuid, sess->be->mode ? "http" : "tcp");
+		else
+			chunk_appendf(&trash, "  backend=<NONE> (id=-1 mode=-)");
+
+		conn = objt_conn(sess->si[1].end);
+		if (conn)
+			conn_get_from_addr(conn);
+
+		switch (conn ? addr_to_str(&conn->addr.from, pn, sizeof(pn)) : AF_UNSPEC) {
+		case AF_INET:
+		case AF_INET6:
+			chunk_appendf(&trash, " addr=%s:%d\n",
+				     pn, get_host_port(&conn->addr.from));
+			break;
+		case AF_UNIX:
+			chunk_appendf(&trash, " addr=unix\n");
+			break;
+		default:
+			/* no more information to print right now */
+			chunk_appendf(&trash, "\n");
+			break;
+		}
+
+		if (sess->be->cap & PR_CAP_BE)
+			chunk_appendf(&trash,
+				     "  server=%s (id=%u)",
+				     objt_server(sess->target) ? objt_server(sess->target)->id : "<none>",
+				     objt_server(sess->target) ? objt_server(sess->target)->puid : 0);
+		else
+			chunk_appendf(&trash, "  server=<NONE> (id=-1)");
+
+		if (conn)
+			conn_get_to_addr(conn);
+
+		switch (conn ? addr_to_str(&conn->addr.to, pn, sizeof(pn)) : AF_UNSPEC) {
+		case AF_INET:
+		case AF_INET6:
+			chunk_appendf(&trash, " addr=%s:%d\n",
+				     pn, get_host_port(&conn->addr.to));
+			break;
+		case AF_UNIX:
+			chunk_appendf(&trash, " addr=unix\n");
+			break;
+		default:
+			/* no more information to print right now */
+			chunk_appendf(&trash, "\n");
+			break;
+		}
+
+		chunk_appendf(&trash,
+			     "  task=%p (state=0x%02x nice=%d calls=%d exp=%s%s",
+			     sess->task,
+			     sess->task->state,
+			     sess->task->nice, sess->task->calls,
+			     sess->task->expire ?
+			             tick_is_expired(sess->task->expire, now_ms) ? "<PAST>" :
+			                     human_time(TICKS_TO_MS(sess->task->expire - now_ms),
+			                     TICKS_TO_MS(1000)) : "<NEVER>",
+			     task_in_rq(sess->task) ? ", running" : "");
+
+		chunk_appendf(&trash,
+			     " age=%s)\n",
+			     human_time(now.tv_sec - sess->logs.accept_date.tv_sec, 1));
+
+		if (sess->txn)
+			chunk_appendf(&trash,
+			     "  txn=%p flags=0x%x meth=%d status=%d req.st=%s rsp.st=%s waiting=%d\n",
+			      sess->txn, sess->txn->flags, sess->txn->meth, sess->txn->status,
+			      http_msg_state_str(sess->txn->req.msg_state), http_msg_state_str(sess->txn->rsp.msg_state), !LIST_ISEMPTY(&sess->buffer_wait));
+
+		chunk_appendf(&trash,
+			     "  si[0]=%p (state=%s flags=0x%02x endp0=%s:%p exp=%s, et=0x%03x)\n",
+			     &sess->si[0],
+			     si_state_str(sess->si[0].state),
+			     sess->si[0].flags,
+			     obj_type_name(sess->si[0].end),
+			     obj_base_ptr(sess->si[0].end),
+			     sess->si[0].exp ?
+			             tick_is_expired(sess->si[0].exp, now_ms) ? "<PAST>" :
+			                     human_time(TICKS_TO_MS(sess->si[0].exp - now_ms),
+			                     TICKS_TO_MS(1000)) : "<NEVER>",
+			     sess->si[0].err_type);
+
+		chunk_appendf(&trash,
+			     "  si[1]=%p (state=%s flags=0x%02x endp1=%s:%p exp=%s, et=0x%03x)\n",
+			     &sess->si[1],
+			     si_state_str(sess->si[1].state),
+			     sess->si[1].flags,
+			     obj_type_name(sess->si[1].end),
+			     obj_base_ptr(sess->si[1].end),
+			     sess->si[1].exp ?
+			             tick_is_expired(sess->si[1].exp, now_ms) ? "<PAST>" :
+			                     human_time(TICKS_TO_MS(sess->si[1].exp - now_ms),
+			                     TICKS_TO_MS(1000)) : "<NEVER>",
+			     sess->si[1].err_type);
+
+		if ((conn = objt_conn(sess->si[0].end)) != NULL) {
+			chunk_appendf(&trash,
+			              "  co0=%p ctrl=%s xprt=%s data=%s target=%s:%p\n",
+				      conn,
+				      get_conn_ctrl_name(conn),
+				      get_conn_xprt_name(conn),
+				      get_conn_data_name(conn),
+			              obj_type_name(conn->target),
+			              obj_base_ptr(conn->target));
+
+			chunk_appendf(&trash, "      flags=0x%08x", conn->flags);
+
+			if (conn->t.sock.fd >= 0) {
+				chunk_appendf(&trash, " fd=%d fd.state=%02x fd.cache=%d updt=%d\n",
+				              conn->t.sock.fd, fdtab[conn->t.sock.fd].state,
+				              fdtab[conn->t.sock.fd].cache, fdtab[conn->t.sock.fd].updated);
+			}
+			else
+				chunk_appendf(&trash, " fd=<dead>\n");
+		}
+		else if ((tmpctx = objt_appctx(sess->si[0].end)) != NULL) {
+			chunk_appendf(&trash,
+			              "  app0=%p st0=%d st1=%d st2=%d applet=%s\n",
+				      tmpctx,
+				      tmpctx->st0,
+				      tmpctx->st1,
+				      tmpctx->st2,
+			              tmpctx->applet->name);
+		}
+
+		if ((conn = objt_conn(sess->si[1].end)) != NULL) {
+			chunk_appendf(&trash,
+			              "  co1=%p ctrl=%s xprt=%s data=%s target=%s:%p\n",
+				      conn,
+				      get_conn_ctrl_name(conn),
+				      get_conn_xprt_name(conn),
+				      get_conn_data_name(conn),
+			              obj_type_name(conn->target),
+			              obj_base_ptr(conn->target));
+
+			chunk_appendf(&trash, "      flags=0x%08x", conn->flags);
+
+			if (conn->t.sock.fd >= 0) {
+				chunk_appendf(&trash, " fd=%d fd.state=%02x fd.cache=%d updt=%d\n",
+				              conn->t.sock.fd, fdtab[conn->t.sock.fd].state,
+				              fdtab[conn->t.sock.fd].cache, fdtab[conn->t.sock.fd].updated);
+			}
+			else
+				chunk_appendf(&trash, " fd=<dead>\n");
+		}
+		else if ((tmpctx = objt_appctx(sess->si[1].end)) != NULL) {
+			chunk_appendf(&trash,
+			              "  app1=%p st0=%d st1=%d st2=%d applet=%s\n",
+				      tmpctx,
+				      tmpctx->st0,
+				      tmpctx->st1,
+				      tmpctx->st2,
+			              tmpctx->applet->name);
+		}
+
+		chunk_appendf(&trash,
+			     "  req=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n"
+			     "      an_exp=%s",
+			     &sess->req,
+			     sess->req.flags, sess->req.analysers,
+			     sess->req.pipe ? sess->req.pipe->data : 0,
+			     sess->req.to_forward, sess->req.total,
+			     sess->req.analyse_exp ?
+			     human_time(TICKS_TO_MS(sess->req.analyse_exp - now_ms),
+					TICKS_TO_MS(1000)) : "<NEVER>");
+
+		chunk_appendf(&trash,
+			     " rex=%s",
+			     sess->req.rex ?
+			     human_time(TICKS_TO_MS(sess->req.rex - now_ms),
+					TICKS_TO_MS(1000)) : "<NEVER>");
+
+		chunk_appendf(&trash,
+			     " wex=%s\n"
+			     "      buf=%p data=%p o=%d p=%d req.next=%d i=%d size=%d\n",
+			     sess->req.wex ?
+			     human_time(TICKS_TO_MS(sess->req.wex - now_ms),
+					TICKS_TO_MS(1000)) : "<NEVER>",
+			     sess->req.buf,
+			     sess->req.buf->data, sess->req.buf->o,
+			     (int)(sess->req.buf->p - sess->req.buf->data),
+			     sess->txn ? sess->txn->req.next : 0, sess->req.buf->i,
+			     sess->req.buf->size);
+
+		chunk_appendf(&trash,
+			     "  res=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n"
+			     "      an_exp=%s",
+			     &sess->res,
+			     sess->res.flags, sess->res.analysers,
+			     sess->res.pipe ? sess->res.pipe->data : 0,
+			     sess->res.to_forward, sess->res.total,
+			     sess->res.analyse_exp ?
+			     human_time(TICKS_TO_MS(sess->res.analyse_exp - now_ms),
+					TICKS_TO_MS(1000)) : "<NEVER>");
+
+		chunk_appendf(&trash,
+			     " rex=%s",
+			     sess->res.rex ?
+			     human_time(TICKS_TO_MS(sess->res.rex - now_ms),
+					TICKS_TO_MS(1000)) : "<NEVER>");
+
+		chunk_appendf(&trash,
+			     " wex=%s\n"
+			     "      buf=%p data=%p o=%d p=%d rsp.next=%d i=%d size=%d\n",
+			     sess->res.wex ?
+			     human_time(TICKS_TO_MS(sess->res.wex - now_ms),
+					TICKS_TO_MS(1000)) : "<NEVER>",
+			     sess->res.buf,
+			     sess->res.buf->data, sess->res.buf->o,
+			     (int)(sess->res.buf->p - sess->res.buf->data),
+			     sess->txn ? sess->txn->rsp.next : 0, sess->res.buf->i,
+			     sess->res.buf->size);
+
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+
+		/* use other states to dump the contents */
+	}
+	/* end of dump */
+	appctx->ctx.sess.uid = 0;
+	appctx->ctx.sess.section = 0;
+	return 1;
+}
+
+#if (defined SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB && TLS_TICKETS_NO > 0)
+static int stats_tlskeys_list(struct stream_interface *si) {
+	struct appctx *appctx = __objt_appctx(si->end);
+
+	switch (appctx->st2) {
+	case STAT_ST_INIT:
+		/* Display the column headers. If the message cannot be sent,
+		 * quit the fucntion with returning 0. The function is called
+		 * later and restart at the state "STAT_ST_INIT".
+		 */
+		chunk_reset(&trash);
+
+		if (appctx->st0 == STAT_CLI_O_TLSK_ENT)
+			chunk_appendf(&trash, "# id secret\n");
+		else
+			chunk_appendf(&trash, "# id (file)\n");
+
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+
+		appctx->ctx.tlskeys.dump_keys_index = 0;
+
+		/* Now, we start the browsing of the references lists.
+		 * Note that the following call to LIST_ELEM return bad pointer. The only
+		 * available field of this pointer is <list>. It is used with the function
+		 * tlskeys_list_get_next() for retruning the first available entry
+		 */
+		if (appctx->ctx.tlskeys.ref == NULL) {
+			appctx->ctx.tlskeys.ref = LIST_ELEM(&tlskeys_reference, struct tls_keys_ref *, list);
+			appctx->ctx.tlskeys.ref = tlskeys_list_get_next(appctx->ctx.tlskeys.ref, &tlskeys_reference);
+		}
+
+		appctx->st2 = STAT_ST_LIST;
+		/* fall through */
+
+	case STAT_ST_LIST:
+		while (appctx->ctx.tlskeys.ref) {
+			int head = appctx->ctx.tlskeys.ref->tls_ticket_enc_index;
+
+			chunk_reset(&trash);
+			if (appctx->st0 == STAT_CLI_O_TLSK_ENT && appctx->ctx.tlskeys.dump_keys_index == 0)
+				chunk_appendf(&trash, "# ");
+			if (appctx->ctx.tlskeys.dump_keys_index == 0)
+				chunk_appendf(&trash, "%d (%s)\n", appctx->ctx.tlskeys.ref->unique_id,
+				              appctx->ctx.tlskeys.ref->filename);
+			if (appctx->st0 == STAT_CLI_O_TLSK_ENT) {
+				while (appctx->ctx.tlskeys.dump_keys_index < TLS_TICKETS_NO) {
+					struct chunk *t2 = get_trash_chunk();
+
+					chunk_reset(t2);
+					/* should never fail here because we dump only a key in the t2 buffer */
+					t2->len = a2base64((char *)(appctx->ctx.tlskeys.ref->tlskeys + (head + 2 + appctx->ctx.tlskeys.dump_keys_index) % TLS_TICKETS_NO),
+					                   sizeof(struct tls_sess_key), t2->str, t2->size);
+					chunk_appendf(&trash, "%d.%d %s\n", appctx->ctx.tlskeys.ref->unique_id, appctx->ctx.tlskeys.dump_keys_index, t2->str);
+
+					if (bi_putchk(si_ic(si), &trash) == -1) {
+						/* let's try again later from this stream. We add ourselves into
+						 * this stream's users so that it can remove us upon termination.
+						 */
+						si_applet_cant_put(si);
+						return 0;
+					}
+					appctx->ctx.tlskeys.dump_keys_index++;
+				}
+				appctx->ctx.tlskeys.dump_keys_index = 0;
+			}
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				/* let's try again later from this stream. We add ourselves into
+				 * this stream's users so that it can remove us upon termination.
+				 */
+				si_applet_cant_put(si);
+				return 0;
+			}
+
+			if (appctx->ctx.tlskeys.dump_all == 0) /* don't display everything if not necessary */
+				break;
+
+			/* get next list entry and check the end of the list */
+			appctx->ctx.tlskeys.ref = tlskeys_list_get_next(appctx->ctx.tlskeys.ref, &tlskeys_reference);
+
+		}
+
+		appctx->st2 = STAT_ST_FIN;
+		/* fall through */
+
+	default:
+		appctx->st2 = STAT_ST_FIN;
+		return 1;
+	}
+	return 0;
+}
+#endif
+
+static int stats_pats_list(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+
+	switch (appctx->st2) {
+	case STAT_ST_INIT:
+		/* Display the column headers. If the message cannot be sent,
+		 * quit the fucntion with returning 0. The function is called
+		 * later and restart at the state "STAT_ST_INIT".
+		 */
+		chunk_reset(&trash);
+		chunk_appendf(&trash, "# id (file) description\n");
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+
+		/* Now, we start the browsing of the references lists.
+		 * Note that the following call to LIST_ELEM return bad pointer. The only
+		 * available field of this pointer is <list>. It is used with the function
+		 * pat_list_get_next() for retruning the first available entry
+		 */
+		appctx->ctx.map.ref = LIST_ELEM(&pattern_reference, struct pat_ref *, list);
+		appctx->ctx.map.ref = pat_list_get_next(appctx->ctx.map.ref, &pattern_reference,
+		                                        appctx->ctx.map.display_flags);
+		appctx->st2 = STAT_ST_LIST;
+		/* fall through */
+
+	case STAT_ST_LIST:
+		while (appctx->ctx.map.ref) {
+			chunk_reset(&trash);
+
+			/* Build messages. If the reference is used by another category than
+			 * the listed categorie, display the information in the massage.
+			 */
+			chunk_appendf(&trash, "%d (%s) %s\n", appctx->ctx.map.ref->unique_id,
+			              appctx->ctx.map.ref->reference ? appctx->ctx.map.ref->reference : "",
+			              appctx->ctx.map.ref->display);
+
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				/* let's try again later from this stream. We add ourselves into
+				 * this stream's users so that it can remove us upon termination.
+				 */
+				si_applet_cant_put(si);
+				return 0;
+			}
+
+			/* get next list entry and check the end of the list */
+			appctx->ctx.map.ref = pat_list_get_next(appctx->ctx.map.ref, &pattern_reference,
+			                                        appctx->ctx.map.display_flags);
+		}
+
+		appctx->st2 = STAT_ST_FIN;
+		/* fall through */
+
+	default:
+		appctx->st2 = STAT_ST_FIN;
+		return 1;
+	}
+	return 0;
+}
+
+static int stats_map_lookup(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct sample sample;
+	struct pattern *pat;
+	int match_method;
+
+	switch (appctx->st2) {
+	case STAT_ST_INIT:
+		/* Init to the first entry. The list cannot be change */
+		appctx->ctx.map.expr = LIST_ELEM(&appctx->ctx.map.ref->pat, struct pattern_expr *, list);
+		appctx->ctx.map.expr = pat_expr_get_next(appctx->ctx.map.expr, &appctx->ctx.map.ref->pat);
+		appctx->st2 = STAT_ST_LIST;
+		/* fall through */
+
+	case STAT_ST_LIST:
+		/* for each lookup type */
+		while (appctx->ctx.map.expr) {
+			/* initialise chunk to build new message */
+			chunk_reset(&trash);
+
+			/* execute pattern matching */
+			sample.data.type = SMP_T_STR;
+			sample.flags = SMP_F_CONST;
+			sample.data.u.str.len = appctx->ctx.map.chunk.len;
+			sample.data.u.str.str = appctx->ctx.map.chunk.str;
+			if (appctx->ctx.map.expr->pat_head->match &&
+			    sample_convert(&sample, appctx->ctx.map.expr->pat_head->expect_type))
+				pat = appctx->ctx.map.expr->pat_head->match(&sample, appctx->ctx.map.expr, 1);
+			else
+				pat = NULL;
+
+			/* build return message: set type of match */
+			for (match_method=0; match_method<PAT_MATCH_NUM; match_method++)
+				if (appctx->ctx.map.expr->pat_head->match == pat_match_fcts[match_method])
+					break;
+			if (match_method >= PAT_MATCH_NUM)
+				chunk_appendf(&trash, "type=unknown(%p)", appctx->ctx.map.expr->pat_head->match);
+			else
+				chunk_appendf(&trash, "type=%s", pat_match_names[match_method]);
+
+			/* case sensitive */
+			if (appctx->ctx.map.expr->mflags & PAT_MF_IGNORE_CASE)
+				chunk_appendf(&trash, ", case=insensitive");
+			else
+				chunk_appendf(&trash, ", case=sensitive");
+
+			/* Display no match, and set default value */
+			if (!pat) {
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					chunk_appendf(&trash, ", found=no");
+				else
+					chunk_appendf(&trash, ", match=no");
+			}
+
+			/* Display match and match info */
+			else {
+				/* display match */
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP)
+					chunk_appendf(&trash, ", found=yes");
+				else
+					chunk_appendf(&trash, ", match=yes");
+
+				/* display index mode */
+				if (pat->sflags & PAT_SF_TREE)
+					chunk_appendf(&trash, ", idx=tree");
+				else
+					chunk_appendf(&trash, ", idx=list");
+
+				/* display pattern */
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
+					if (pat->ref && pat->ref->pattern)
+						chunk_appendf(&trash, ", key=\"%s\"", pat->ref->pattern);
+					else
+						chunk_appendf(&trash, ", key=unknown");
+				}
+				else {
+					if (pat->ref && pat->ref->pattern)
+						chunk_appendf(&trash, ", pattern=\"%s\"", pat->ref->pattern);
+					else
+						chunk_appendf(&trash, ", pattern=unknown");
+				}
+
+				/* display return value */
+				if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
+					if (pat->data && pat->ref && pat->ref->sample)
+						chunk_appendf(&trash, ", value=\"%s\", type=\"%s\"", pat->ref->sample,
+						              smp_to_type[pat->data->type]);
+					else
+						chunk_appendf(&trash, ", value=none");
+				}
+			}
+
+			chunk_appendf(&trash, "\n");
+
+			/* display response */
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				/* let's try again later from this stream. We add ourselves into
+				 * this stream's users so that it can remove us upon termination.
+				 */
+				si_applet_cant_put(si);
+				return 0;
+			}
+
+			/* get next entry */
+			appctx->ctx.map.expr = pat_expr_get_next(appctx->ctx.map.expr,
+			                                         &appctx->ctx.map.ref->pat);
+		}
+
+		appctx->st2 = STAT_ST_FIN;
+		/* fall through */
+
+	default:
+		appctx->st2 = STAT_ST_FIN;
+		free(appctx->ctx.map.chunk.str);
+		return 1;
+	}
+}
+
+static int stats_pat_list(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+
+	switch (appctx->st2) {
+
+	case STAT_ST_INIT:
+		/* Init to the first entry. The list cannot be change */
+		appctx->ctx.map.elt = LIST_NEXT(&appctx->ctx.map.ref->head,
+		                                struct pat_ref_elt *, list);
+		if (&appctx->ctx.map.elt->list == &appctx->ctx.map.ref->head)
+			appctx->ctx.map.elt = NULL;
+		appctx->st2 = STAT_ST_LIST;
+		/* fall through */
+
+	case STAT_ST_LIST:
+		while (appctx->ctx.map.elt) {
+			chunk_reset(&trash);
+
+			/* build messages */
+			if (appctx->ctx.map.elt->sample)
+				chunk_appendf(&trash, "%p %s %s\n",
+				              appctx->ctx.map.elt, appctx->ctx.map.elt->pattern,
+				              appctx->ctx.map.elt->sample);
+			else
+				chunk_appendf(&trash, "%p %s\n",
+				              appctx->ctx.map.elt, appctx->ctx.map.elt->pattern);
+
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				/* let's try again later from this stream. We add ourselves into
+				 * this stream's users so that it can remove us upon termination.
+				 */
+				si_applet_cant_put(si);
+				return 0;
+			}
+
+			/* get next list entry and check the end of the list */
+			appctx->ctx.map.elt = LIST_NEXT(&appctx->ctx.map.elt->list,
+			                                struct pat_ref_elt *, list);
+			if (&appctx->ctx.map.elt->list == &appctx->ctx.map.ref->head)
+				break;
+		}
+
+		appctx->st2 = STAT_ST_FIN;
+		/* fall through */
+
+	default:
+		appctx->st2 = STAT_ST_FIN;
+		return 1;
+	}
+}
+
+/* This function dumps all streams' states onto the stream interface's
+ * read buffer. It returns 0 if the output buffer is full and it needs
+ * to be called again, otherwise non-zero. It is designed to be called
+ * from stats_dump_sess_to_buffer() below.
+ */
+static int stats_dump_sess_to_buffer(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct connection *conn;
+
+	if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) {
+		/* If we're forced to shut down, we might have to remove our
+		 * reference to the last stream being dumped.
+		 */
+		if (appctx->st2 == STAT_ST_LIST) {
+			if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) {
+				LIST_DEL(&appctx->ctx.sess.bref.users);
+				LIST_INIT(&appctx->ctx.sess.bref.users);
+			}
+		}
+		return 1;
+	}
+
+	chunk_reset(&trash);
+
+	switch (appctx->st2) {
+	case STAT_ST_INIT:
+		/* the function had not been called yet, let's prepare the
+		 * buffer for a response. We initialize the current stream
+		 * pointer to the first in the global list. When a target
+		 * stream is being destroyed, it is responsible for updating
+		 * this pointer. We know we have reached the end when this
+		 * pointer points back to the head of the streams list.
+		 */
+		LIST_INIT(&appctx->ctx.sess.bref.users);
+		appctx->ctx.sess.bref.ref = streams.n;
+		appctx->st2 = STAT_ST_LIST;
+		/* fall through */
+
+	case STAT_ST_LIST:
+		/* first, let's detach the back-ref from a possible previous stream */
+		if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) {
+			LIST_DEL(&appctx->ctx.sess.bref.users);
+			LIST_INIT(&appctx->ctx.sess.bref.users);
+		}
+
+		/* and start from where we stopped */
+		while (appctx->ctx.sess.bref.ref != &streams) {
+			char pn[INET6_ADDRSTRLEN];
+			struct stream *curr_sess;
+
+			curr_sess = LIST_ELEM(appctx->ctx.sess.bref.ref, struct stream *, list);
+
+			if (appctx->ctx.sess.target) {
+				if (appctx->ctx.sess.target != (void *)-1 && appctx->ctx.sess.target != curr_sess)
+					goto next_sess;
+
+				LIST_ADDQ(&curr_sess->back_refs, &appctx->ctx.sess.bref.users);
+				/* call the proper dump() function and return if we're missing space */
+				if (!stats_dump_full_sess_to_buffer(si, curr_sess))
+					return 0;
+
+				/* stream dump complete */
+				LIST_DEL(&appctx->ctx.sess.bref.users);
+				LIST_INIT(&appctx->ctx.sess.bref.users);
+				if (appctx->ctx.sess.target != (void *)-1) {
+					appctx->ctx.sess.target = NULL;
+					break;
+				}
+				else
+					goto next_sess;
+			}
+
+			chunk_appendf(&trash,
+				     "%p: proto=%s",
+				     curr_sess,
+				     strm_li(curr_sess) ? strm_li(curr_sess)->proto->name : "?");
+
+			conn = objt_conn(strm_orig(curr_sess));
+			switch (conn ? addr_to_str(&conn->addr.from, pn, sizeof(pn)) : AF_UNSPEC) {
+			case AF_INET:
+			case AF_INET6:
+				chunk_appendf(&trash,
+					     " src=%s:%d fe=%s be=%s srv=%s",
+					     pn,
+					     get_host_port(&conn->addr.from),
+					     strm_fe(curr_sess)->id,
+					     (curr_sess->be->cap & PR_CAP_BE) ? curr_sess->be->id : "<NONE>",
+					     objt_server(curr_sess->target) ? objt_server(curr_sess->target)->id : "<none>"
+					     );
+				break;
+			case AF_UNIX:
+				chunk_appendf(&trash,
+					     " src=unix:%d fe=%s be=%s srv=%s",
+					     strm_li(curr_sess)->luid,
+					     strm_fe(curr_sess)->id,
+					     (curr_sess->be->cap & PR_CAP_BE) ? curr_sess->be->id : "<NONE>",
+					     objt_server(curr_sess->target) ? objt_server(curr_sess->target)->id : "<none>"
+					     );
+				break;
+			}
+
+			chunk_appendf(&trash,
+				     " ts=%02x age=%s calls=%d",
+				     curr_sess->task->state,
+				     human_time(now.tv_sec - curr_sess->logs.tv_accept.tv_sec, 1),
+				     curr_sess->task->calls);
+
+			chunk_appendf(&trash,
+				     " rq[f=%06xh,i=%d,an=%02xh,rx=%s",
+				     curr_sess->req.flags,
+				     curr_sess->req.buf->i,
+				     curr_sess->req.analysers,
+				     curr_sess->req.rex ?
+				     human_time(TICKS_TO_MS(curr_sess->req.rex - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			chunk_appendf(&trash,
+				     ",wx=%s",
+				     curr_sess->req.wex ?
+				     human_time(TICKS_TO_MS(curr_sess->req.wex - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			chunk_appendf(&trash,
+				     ",ax=%s]",
+				     curr_sess->req.analyse_exp ?
+				     human_time(TICKS_TO_MS(curr_sess->req.analyse_exp - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			chunk_appendf(&trash,
+				     " rp[f=%06xh,i=%d,an=%02xh,rx=%s",
+				     curr_sess->res.flags,
+				     curr_sess->res.buf->i,
+				     curr_sess->res.analysers,
+				     curr_sess->res.rex ?
+				     human_time(TICKS_TO_MS(curr_sess->res.rex - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			chunk_appendf(&trash,
+				     ",wx=%s",
+				     curr_sess->res.wex ?
+				     human_time(TICKS_TO_MS(curr_sess->res.wex - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			chunk_appendf(&trash,
+				     ",ax=%s]",
+				     curr_sess->res.analyse_exp ?
+				     human_time(TICKS_TO_MS(curr_sess->res.analyse_exp - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			conn = objt_conn(curr_sess->si[0].end);
+			chunk_appendf(&trash,
+				     " s0=[%d,%1xh,fd=%d,ex=%s]",
+				     curr_sess->si[0].state,
+				     curr_sess->si[0].flags,
+				     (conn && conn->t.sock.fd >= 0) ? conn->t.sock.fd : -1,
+				     curr_sess->si[0].exp ?
+				     human_time(TICKS_TO_MS(curr_sess->si[0].exp - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			conn = objt_conn(curr_sess->si[1].end);
+			chunk_appendf(&trash,
+				     " s1=[%d,%1xh,fd=%d,ex=%s]",
+				     curr_sess->si[1].state,
+				     curr_sess->si[1].flags,
+				     (conn && conn->t.sock.fd >= 0) ? conn->t.sock.fd : -1,
+				     curr_sess->si[1].exp ?
+				     human_time(TICKS_TO_MS(curr_sess->si[1].exp - now_ms),
+						TICKS_TO_MS(1000)) : "");
+
+			chunk_appendf(&trash,
+				     " exp=%s",
+				     curr_sess->task->expire ?
+				     human_time(TICKS_TO_MS(curr_sess->task->expire - now_ms),
+						TICKS_TO_MS(1000)) : "");
+			if (task_in_rq(curr_sess->task))
+				chunk_appendf(&trash, " run(nice=%d)", curr_sess->task->nice);
+
+			chunk_appendf(&trash, "\n");
+
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				/* let's try again later from this stream. We add ourselves into
+				 * this stream's users so that it can remove us upon termination.
+				 */
+				si_applet_cant_put(si);
+				LIST_ADDQ(&curr_sess->back_refs, &appctx->ctx.sess.bref.users);
+				return 0;
+			}
+
+		next_sess:
+			appctx->ctx.sess.bref.ref = curr_sess->list.n;
+		}
+
+		if (appctx->ctx.sess.target && appctx->ctx.sess.target != (void *)-1) {
+			/* specified stream not found */
+			if (appctx->ctx.sess.section > 0)
+				chunk_appendf(&trash, "  *** session terminated while we were watching it ***\n");
+			else
+				chunk_appendf(&trash, "Session not found.\n");
+
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				si_applet_cant_put(si);
+				return 0;
+			}
+
+			appctx->ctx.sess.target = NULL;
+			appctx->ctx.sess.uid = 0;
+			return 1;
+		}
+
+		appctx->st2 = STAT_ST_FIN;
+		/* fall through */
+
+	default:
+		appctx->st2 = STAT_ST_FIN;
+		return 1;
+	}
+}
+
+/* This is called when the stream interface is closed. For instance, upon an
+ * external abort, we won't call the i/o handler anymore so we may need to
+ * remove back references to the stream currently being dumped.
+ */
+static void cli_release_handler(struct appctx *appctx)
+{
+	if (appctx->io_release) {
+		appctx->io_release(appctx);
+		appctx->io_release = NULL;
+	}
+	if (appctx->st0 == STAT_CLI_O_SESS && appctx->st2 == STAT_ST_LIST) {
+		if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users))
+			LIST_DEL(&appctx->ctx.sess.bref.users);
+	}
+	else if ((appctx->st0 == STAT_CLI_O_TAB || appctx->st0 == STAT_CLI_O_CLR) &&
+		 appctx->st2 == STAT_ST_LIST) {
+		appctx->ctx.table.entry->ref_cnt--;
+		stksess_kill_if_expired(&appctx->ctx.table.proxy->table, appctx->ctx.table.entry);
+	}
+	else if (appctx->st0 == STAT_CLI_PRINT_FREE) {
+		free(appctx->ctx.cli.err);
+		appctx->ctx.cli.err = NULL;
+	}
+	else if (appctx->st0 == STAT_CLI_O_MLOOK) {
+		free(appctx->ctx.map.chunk.str);
+		appctx->ctx.map.chunk.str = NULL;
+	}
+}
+
+/* This function is used to either dump tables states (when action is set
+ * to STAT_CLI_O_TAB) or clear tables (when action is STAT_CLI_O_CLR).
+ * It returns 0 if the output buffer is full and it needs to be called
+ * again, otherwise non-zero.
+ */
+static int stats_table_request(struct stream_interface *si, int action)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct stream *s = si_strm(si);
+	struct ebmb_node *eb;
+	int dt;
+	int skip_entry;
+	int show = action == STAT_CLI_O_TAB;
+
+	/*
+	 * We have 3 possible states in appctx->st2 :
+	 *   - STAT_ST_INIT : the first call
+	 *   - STAT_ST_INFO : the proxy pointer points to the next table to
+	 *     dump, the entry pointer is NULL ;
+	 *   - STAT_ST_LIST : the proxy pointer points to the current table
+	 *     and the entry pointer points to the next entry to be dumped,
+	 *     and the refcount on the next entry is held ;
+	 *   - STAT_ST_END : nothing left to dump, the buffer may contain some
+	 *     data though.
+	 */
+
+	if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW))) {
+		/* in case of abort, remove any refcount we might have set on an entry */
+		if (appctx->st2 == STAT_ST_LIST) {
+			appctx->ctx.table.entry->ref_cnt--;
+			stksess_kill_if_expired(&appctx->ctx.table.proxy->table, appctx->ctx.table.entry);
+		}
+		return 1;
+	}
+
+	chunk_reset(&trash);
+
+	while (appctx->st2 != STAT_ST_FIN) {
+		switch (appctx->st2) {
+		case STAT_ST_INIT:
+			appctx->ctx.table.proxy = appctx->ctx.table.target;
+			if (!appctx->ctx.table.proxy)
+				appctx->ctx.table.proxy = proxy;
+
+			appctx->ctx.table.entry = NULL;
+			appctx->st2 = STAT_ST_INFO;
+			break;
+
+		case STAT_ST_INFO:
+			if (!appctx->ctx.table.proxy ||
+			    (appctx->ctx.table.target &&
+			     appctx->ctx.table.proxy != appctx->ctx.table.target)) {
+				appctx->st2 = STAT_ST_END;
+				break;
+			}
+
+			if (appctx->ctx.table.proxy->table.size) {
+				if (show && !stats_dump_table_head_to_buffer(&trash, si, appctx->ctx.table.proxy,
+									     appctx->ctx.table.target))
+					return 0;
+
+				if (appctx->ctx.table.target &&
+				    strm_li(s)->bind_conf->level >= ACCESS_LVL_OPER) {
+					/* dump entries only if table explicitly requested */
+					eb = ebmb_first(&appctx->ctx.table.proxy->table.keys);
+					if (eb) {
+						appctx->ctx.table.entry = ebmb_entry(eb, struct stksess, key);
+						appctx->ctx.table.entry->ref_cnt++;
+						appctx->st2 = STAT_ST_LIST;
+						break;
+					}
+				}
+			}
+			appctx->ctx.table.proxy = appctx->ctx.table.proxy->next;
+			break;
+
+		case STAT_ST_LIST:
+			skip_entry = 0;
+
+			if (appctx->ctx.table.data_type >= 0) {
+				/* we're filtering on some data contents */
+				void *ptr;
+				long long data;
+
+				dt = appctx->ctx.table.data_type;
+				ptr = stktable_data_ptr(&appctx->ctx.table.proxy->table,
+							appctx->ctx.table.entry,
+							dt);
+
+				data = 0;
+				switch (stktable_data_types[dt].std_type) {
+				case STD_T_SINT:
+					data = stktable_data_cast(ptr, std_t_sint);
+					break;
+				case STD_T_UINT:
+					data = stktable_data_cast(ptr, std_t_uint);
+					break;
+				case STD_T_ULL:
+					data = stktable_data_cast(ptr, std_t_ull);
+					break;
+				case STD_T_FRQP:
+					data = read_freq_ctr_period(&stktable_data_cast(ptr, std_t_frqp),
+								    appctx->ctx.table.proxy->table.data_arg[dt].u);
+					break;
+				}
+
+				/* skip the entry if the data does not match the test and the value */
+				if ((data < appctx->ctx.table.value &&
+				     (appctx->ctx.table.data_op == STD_OP_EQ ||
+				      appctx->ctx.table.data_op == STD_OP_GT ||
+				      appctx->ctx.table.data_op == STD_OP_GE)) ||
+				    (data == appctx->ctx.table.value &&
+				     (appctx->ctx.table.data_op == STD_OP_NE ||
+				      appctx->ctx.table.data_op == STD_OP_GT ||
+				      appctx->ctx.table.data_op == STD_OP_LT)) ||
+				    (data > appctx->ctx.table.value &&
+				     (appctx->ctx.table.data_op == STD_OP_EQ ||
+				      appctx->ctx.table.data_op == STD_OP_LT ||
+				      appctx->ctx.table.data_op == STD_OP_LE)))
+					skip_entry = 1;
+			}
+
+			if (show && !skip_entry &&
+			    !stats_dump_table_entry_to_buffer(&trash, si, appctx->ctx.table.proxy,
+							      appctx->ctx.table.entry))
+			    return 0;
+
+			appctx->ctx.table.entry->ref_cnt--;
+
+			eb = ebmb_next(&appctx->ctx.table.entry->key);
+			if (eb) {
+				struct stksess *old = appctx->ctx.table.entry;
+				appctx->ctx.table.entry = ebmb_entry(eb, struct stksess, key);
+				if (show)
+					stksess_kill_if_expired(&appctx->ctx.table.proxy->table, old);
+				else if (!skip_entry && !appctx->ctx.table.entry->ref_cnt)
+					stksess_kill(&appctx->ctx.table.proxy->table, old);
+				appctx->ctx.table.entry->ref_cnt++;
+				break;
+			}
+
+
+			if (show)
+				stksess_kill_if_expired(&appctx->ctx.table.proxy->table, appctx->ctx.table.entry);
+			else if (!skip_entry && !appctx->ctx.table.entry->ref_cnt)
+				stksess_kill(&appctx->ctx.table.proxy->table, appctx->ctx.table.entry);
+
+			appctx->ctx.table.proxy = appctx->ctx.table.proxy->next;
+			appctx->st2 = STAT_ST_INFO;
+			break;
+
+		case STAT_ST_END:
+			appctx->st2 = STAT_ST_FIN;
+			break;
+		}
+	}
+	return 1;
+}
+
+/* print a line of text buffer (limited to 70 bytes) to <out>. The format is :
+ * <2 spaces> <offset=5 digits> <space or plus> <space> <70 chars max> <\n>
+ * which is 60 chars per line. Non-printable chars \t, \n, \r and \e are
+ * encoded in C format. Other non-printable chars are encoded "\xHH". Original
+ * lines are respected within the limit of 70 output chars. Lines that are
+ * continuation of a previous truncated line begin with "+" instead of " "
+ * after the offset. The new pointer is returned.
+ */
+static int dump_text_line(struct chunk *out, const char *buf, int bsize, int len,
+			  int *line, int ptr)
+{
+	int end;
+	unsigned char c;
+
+	end = out->len + 80;
+	if (end > out->size)
+		return ptr;
+
+	chunk_appendf(out, "  %05d%c ", ptr, (ptr == *line) ? ' ' : '+');
+
+	while (ptr < len && ptr < bsize) {
+		c = buf[ptr];
+		if (isprint(c) && isascii(c) && c != '\\') {
+			if (out->len > end - 2)
+				break;
+			out->str[out->len++] = c;
+		} else if (c == '\t' || c == '\n' || c == '\r' || c == '\e' || c == '\\') {
+			if (out->len > end - 3)
+				break;
+			out->str[out->len++] = '\\';
+			switch (c) {
+			case '\t': c = 't'; break;
+			case '\n': c = 'n'; break;
+			case '\r': c = 'r'; break;
+			case '\e': c = 'e'; break;
+			case '\\': c = '\\'; break;
+			}
+			out->str[out->len++] = c;
+		} else {
+			if (out->len > end - 5)
+				break;
+			out->str[out->len++] = '\\';
+			out->str[out->len++] = 'x';
+			out->str[out->len++] = hextab[(c >> 4) & 0xF];
+			out->str[out->len++] = hextab[c & 0xF];
+		}
+		if (buf[ptr++] == '\n') {
+			/* we had a line break, let's return now */
+			out->str[out->len++] = '\n';
+			*line = ptr;
+			return ptr;
+		}
+	}
+	/* we have an incomplete line, we return it as-is */
+	out->str[out->len++] = '\n';
+	return ptr;
+}
+
+/* This function dumps counters from all resolvers section and associated name servers.
+ * It returns 0 if the output buffer is full and it needs
+ * to be called again, otherwise non-zero.
+ */
+static int stats_dump_resolvers_to_buffer(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	struct dns_resolvers *presolvers;
+	struct dns_nameserver *pnameserver;
+
+	chunk_reset(&trash);
+
+	switch (appctx->st2) {
+	case STAT_ST_INIT:
+		appctx->st2 = STAT_ST_LIST; /* let's start producing data */
+		/* fall through */
+
+	case STAT_ST_LIST:
+		if (LIST_ISEMPTY(&dns_resolvers)) {
+			chunk_appendf(&trash, "No resolvers found\n");
+		}
+		else {
+			list_for_each_entry(presolvers, &dns_resolvers, list) {
+				if (appctx->ctx.resolvers.ptr != NULL && appctx->ctx.resolvers.ptr != presolvers)
+					continue;
+
+				chunk_appendf(&trash, "Resolvers section %s\n", presolvers->id);
+				list_for_each_entry(pnameserver, &presolvers->nameserver_list, list) {
+					chunk_appendf(&trash, " nameserver %s:\n", pnameserver->id);
+					chunk_appendf(&trash, "  sent: %ld\n", pnameserver->counters.sent);
+					chunk_appendf(&trash, "  valid: %ld\n", pnameserver->counters.valid);
+					chunk_appendf(&trash, "  update: %ld\n", pnameserver->counters.update);
+					chunk_appendf(&trash, "  cname: %ld\n", pnameserver->counters.cname);
+					chunk_appendf(&trash, "  cname_error: %ld\n", pnameserver->counters.cname_error);
+					chunk_appendf(&trash, "  any_err: %ld\n", pnameserver->counters.any_err);
+					chunk_appendf(&trash, "  nx: %ld\n", pnameserver->counters.nx);
+					chunk_appendf(&trash, "  timeout: %ld\n", pnameserver->counters.timeout);
+					chunk_appendf(&trash, "  refused: %ld\n", pnameserver->counters.refused);
+					chunk_appendf(&trash, "  other: %ld\n", pnameserver->counters.other);
+					chunk_appendf(&trash, "  invalid: %ld\n", pnameserver->counters.invalid);
+					chunk_appendf(&trash, "  too_big: %ld\n", pnameserver->counters.too_big);
+					chunk_appendf(&trash, "  truncated: %ld\n", pnameserver->counters.truncated);
+					chunk_appendf(&trash, "  outdated: %ld\n", pnameserver->counters.outdated);
+				}
+			}
+		}
+
+		/* display response */
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			/* let's try again later from this session. We add ourselves into
+			 * this session's users so that it can remove us upon termination.
+			 */
+			si->flags |= SI_FL_WAIT_ROOM;
+			return 0;
+		}
+
+		appctx->st2 = STAT_ST_FIN;
+		/* fall through */
+
+	default:
+		appctx->st2 = STAT_ST_FIN;
+		return 1;
+	}
+}
+
+/* This function dumps all captured errors onto the stream interface's
+ * read buffer. It returns 0 if the output buffer is full and it needs
+ * to be called again, otherwise non-zero.
+ */
+static int stats_dump_errors_to_buffer(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+	extern const char *monthname[12];
+
+	if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
+		return 1;
+
+	chunk_reset(&trash);
+
+	if (!appctx->ctx.errors.px) {
+		/* the function had not been called yet, let's prepare the
+		 * buffer for a response.
+		 */
+		struct tm tm;
+
+		get_localtime(date.tv_sec, &tm);
+		chunk_appendf(&trash, "Total events captured on [%02d/%s/%04d:%02d:%02d:%02d.%03d] : %u\n",
+			     tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900,
+			     tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(date.tv_usec/1000),
+			     error_snapshot_id);
+
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			/* Socket buffer full. Let's try again later from the same point */
+			si_applet_cant_put(si);
+			return 0;
+		}
+
+		appctx->ctx.errors.px = proxy;
+		appctx->ctx.errors.buf = 0;
+		appctx->ctx.errors.bol = 0;
+		appctx->ctx.errors.ptr = -1;
+	}
+
+	/* we have two inner loops here, one for the proxy, the other one for
+	 * the buffer.
+	 */
+	while (appctx->ctx.errors.px) {
+		struct error_snapshot *es;
+
+		if (appctx->ctx.errors.buf == 0)
+			es = &appctx->ctx.errors.px->invalid_req;
+		else
+			es = &appctx->ctx.errors.px->invalid_rep;
+
+		if (!es->when.tv_sec)
+			goto next;
+
+		if (appctx->ctx.errors.iid >= 0 &&
+		    appctx->ctx.errors.px->uuid != appctx->ctx.errors.iid &&
+		    es->oe->uuid != appctx->ctx.errors.iid)
+			goto next;
+
+		if (appctx->ctx.errors.ptr < 0) {
+			/* just print headers now */
+
+			char pn[INET6_ADDRSTRLEN];
+			struct tm tm;
+			int port;
+
+			get_localtime(es->when.tv_sec, &tm);
+			chunk_appendf(&trash, " \n[%02d/%s/%04d:%02d:%02d:%02d.%03d]",
+				     tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900,
+				     tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(es->when.tv_usec/1000));
+
+			switch (addr_to_str(&es->src, pn, sizeof(pn))) {
+			case AF_INET:
+			case AF_INET6:
+				port = get_host_port(&es->src);
+				break;
+			default:
+				port = 0;
+			}
+
+			switch (appctx->ctx.errors.buf) {
+			case 0:
+				chunk_appendf(&trash,
+					     " frontend %s (#%d): invalid request\n"
+					     "  backend %s (#%d)",
+					     appctx->ctx.errors.px->id, appctx->ctx.errors.px->uuid,
+					     (es->oe->cap & PR_CAP_BE) ? es->oe->id : "<NONE>",
+					     (es->oe->cap & PR_CAP_BE) ? es->oe->uuid : -1);
+				break;
+			case 1:
+				chunk_appendf(&trash,
+					     " backend %s (#%d): invalid response\n"
+					     "  frontend %s (#%d)",
+					     appctx->ctx.errors.px->id, appctx->ctx.errors.px->uuid,
+					     es->oe->id, es->oe->uuid);
+				break;
+			}
+
+			chunk_appendf(&trash,
+				     ", server %s (#%d), event #%u\n"
+				     "  src %s:%d, session #%d, session flags 0x%08x\n"
+				     "  HTTP msg state %d, msg flags 0x%08x, tx flags 0x%08x\n"
+				     "  HTTP chunk len %lld bytes, HTTP body len %lld bytes\n"
+				     "  buffer flags 0x%08x, out %d bytes, total %lld bytes\n"
+				     "  pending %d bytes, wrapping at %d, error at position %d:\n \n",
+				     es->srv ? es->srv->id : "<NONE>", es->srv ? es->srv->puid : -1,
+				     es->ev_id,
+				     pn, port, es->sid, es->s_flags,
+				     es->state, es->m_flags, es->t_flags,
+				     es->m_clen, es->m_blen,
+				     es->b_flags, es->b_out, es->b_tot,
+				     es->len, es->b_wrap, es->pos);
+
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				/* Socket buffer full. Let's try again later from the same point */
+				si_applet_cant_put(si);
+				return 0;
+			}
+			appctx->ctx.errors.ptr = 0;
+			appctx->ctx.errors.sid = es->sid;
+		}
+
+		if (appctx->ctx.errors.sid != es->sid) {
+			/* the snapshot changed while we were dumping it */
+			chunk_appendf(&trash,
+				     "  WARNING! update detected on this snapshot, dump interrupted. Please re-check!\n");
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				si_applet_cant_put(si);
+				return 0;
+			}
+			goto next;
+		}
+
+		/* OK, ptr >= 0, so we have to dump the current line */
+		while (es->buf && appctx->ctx.errors.ptr < es->len && appctx->ctx.errors.ptr < global.tune.bufsize) {
+			int newptr;
+			int newline;
+
+			newline = appctx->ctx.errors.bol;
+			newptr = dump_text_line(&trash, es->buf, global.tune.bufsize, es->len, &newline, appctx->ctx.errors.ptr);
+			if (newptr == appctx->ctx.errors.ptr)
+				return 0;
+
+			if (bi_putchk(si_ic(si), &trash) == -1) {
+				/* Socket buffer full. Let's try again later from the same point */
+				si_applet_cant_put(si);
+				return 0;
+			}
+			appctx->ctx.errors.ptr = newptr;
+			appctx->ctx.errors.bol = newline;
+		};
+	next:
+		appctx->ctx.errors.bol = 0;
+		appctx->ctx.errors.ptr = -1;
+		appctx->ctx.errors.buf++;
+		if (appctx->ctx.errors.buf > 1) {
+			appctx->ctx.errors.buf = 0;
+			appctx->ctx.errors.px = appctx->ctx.errors.px->next;
+		}
+	}
+
+	/* dump complete */
+	return 1;
+}
+
+/* This function dumps all environmnent variables to the buffer. It returns 0
+ * if the output buffer is full and it needs to be called again, otherwise
+ * non-zero. Dumps only one entry if st2 == STAT_ST_END.
+ */
+static int stats_dump_env_to_buffer(struct stream_interface *si)
+{
+	struct appctx *appctx = __objt_appctx(si->end);
+
+	if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
+		return 1;
+
+	chunk_reset(&trash);
+
+	/* we have two inner loops here, one for the proxy, the other one for
+	 * the buffer.
+	 */
+	while (*appctx->ctx.env.var) {
+		chunk_printf(&trash, "%s\n", *appctx->ctx.env.var);
+
+		if (bi_putchk(si_ic(si), &trash) == -1) {
+			si_applet_cant_put(si);
+			return 0;
+		}
+		if (appctx->st2 == STAT_ST_END)
+			break;
+		appctx->ctx.env.var++;
+	}
+
+	/* dump complete */
+	return 1;
+}
+
+/* parse the "level" argument on the bind lines */
+static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+	if (!*args[cur_arg + 1]) {
+		memprintf(err, "'%s' : missing level", args[cur_arg]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	if (!strcmp(args[cur_arg+1], "user"))
+		conf->level = ACCESS_LVL_USER;
+	else if (!strcmp(args[cur_arg+1], "operator"))
+		conf->level = ACCESS_LVL_OPER;
+	else if (!strcmp(args[cur_arg+1], "admin"))
+		conf->level = ACCESS_LVL_ADMIN;
+	else {
+		memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')",
+			  args[cur_arg], args[cur_arg+1]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	return 0;
+}
+
+static struct applet cli_applet = {
+	.obj_type = OBJ_TYPE_APPLET,
+	.name = "<CLI>", /* used for logging */
+	.fct = cli_io_handler,
+	.release = cli_release_handler,
+};
+
+static struct cfg_kw_list cfg_kws = {ILH, {
+	{ CFG_GLOBAL, "stats", stats_parse_global },
+	{ 0, NULL, NULL },
+}};
+
+static struct bind_kw_list bind_kws = { "STAT", { }, {
+	{ "level",    bind_parse_level,    1 }, /* set the unix socket admin level */
+	{ NULL, NULL, 0 },
+}};
+
+__attribute__((constructor))
+static void __dumpstats_module_init(void)
+{
+	cfg_register_keywords(&cfg_kws);
+	bind_register_keywords(&bind_kws);
+}
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */