ckdb - allow blocking and script alerting on ckdb events

pool/base.php

@@ -6,6 +6,9 @@ global $dbg, $dbgstr;
 $dbg = false;
 $dbgstr = '';
 #
+global $alrts;
+$alrts = array();
+#
 function adddbg($str)
 {
  global $dbg, $dbgstr;

pool/db.php

@@ -1,7 +1,6 @@
 <?php
 #
 include_once('socket.php');
-include_once('base.php');
 #
 # List of db functions to call and get the results back from ckdb
 # From homeInfo() and the rest after that

pool/page.php

@@ -180,7 +180,7 @@ function pghead($css_marker, $script_marker, $name)
  return $head;
 }
 #
-function pgtop($info, $dotop, $user, $douser)
+function pgtop($alert_marker, $info, $dotop, $user, $douser)
 {
  global $site_title, $loginfailed;
 
@@ -342,6 +342,7 @@ function pgtop($info, $dotop, $user, $douser)
  $top .= " You need to enable javascript to use";
  $top .= " the $site_title web site.</div></noscript>";
 
+ $top .= $alert_marker;
  if ($loginfailed === true)
 	$top .= '<div class=accwarn>Login Failed</div>';
  if (isset($info['u_nopayaddr']))
@@ -507,7 +508,7 @@ function pgmenu($menus)
  return $ret;
 }
 #
-function pgbody($info, $page, $menu, $dotop, $user, $douser)
+function pgbody($alert_marker, $info, $page, $menu, $dotop, $user, $douser)
 {
  $body = '<body';
  if ($page == 'index')
@@ -519,7 +520,7 @@ function pgbody($info, $page, $menu, $dotop, $user, $douser)
  $body .=    '<table border=0 cellpadding=0 cellspacing=0 width=94%>';
 
  $body .=     '<tr><td>';
- $body .= pgtop($info, $dotop, $user, $douser);
+ $body .= pgtop($alert_marker, $info, $dotop, $user, $douser);
  $body .=     '</td></tr>';
 
  $body .=     '<tr><td>';
@@ -531,7 +532,7 @@ function pgbody($info, $page, $menu, $dotop, $user, $douser)
  return $body;
 }
 #
-function pgfoot($info)
+function pgfoot($elapsed_marker, $info)
 {
  global $stt;
  $foot =      '</div></td></tr>';
@@ -555,7 +556,8 @@ function pgfoot($info)
  $now = date('Y');
  if ($now != '2014')
 	$foot .= "-$now";
- $foot .= '&nbsp;<span class=ft>Z/s</span></span><span class=ftr id=ftr>&nbsp;</span></div>';
+ $foot .= '&nbsp;<span class=ft>' . $elapsed_marker;
+ $foot .= '</span></span><span class=ftr id=ftr>&nbsp;</span></div>';
  $foot .= "<script type='text/javascript'>jst();tim();mini();</script></body></html>\n";
 
  return $foot;
@@ -565,10 +567,13 @@ function gopage($info, $data, $pagefun, $page, $menu, $name, $user, $ispage = tr
 {
  global $dbg, $stt;
  global $page_css, $page_scripts;
+ global $alrts;
 
  $dbg_marker = '[@dbg@]';
  $css_marker = '[@css@]';
  $script_marker = '[@scripts@]';
+ $alert_marker = '[@alert@]';
+ $elapsed_marker = '[@elapsed@]';
 
  if ($dbg === true)
 	$pg = $dbg_marker.'<br>';
@@ -590,8 +595,8 @@ function gopage($info, $data, $pagefun, $page, $menu, $name, $user, $ispage = tr
 //	unset($_SESSION['logkey']);
 
  $head = pghead($css_marker, $script_marker, $name);
- $body = pgbody($info, $page, $menu, $dotop, $user, $douser);
- $foot = pgfoot($info);
+ $body = pgbody($alert_marker, $info, $page, $menu, $dotop, $user, $douser);
+ $foot = pgfoot($elapsed_marker, $info);
 
  if ($dbg === true)
 	$pg = str_replace($dbg_marker, cvtdbg(), $pg);
@@ -603,6 +608,11 @@ function gopage($info, $data, $pagefun, $page, $menu, $name, $user, $ispage = tr
 
  $head = str_replace($script_marker, $page_scripts, $head);
 
+ $alertstr = '';
+ foreach ($alrts as $str => $num)
+	$alertstr .= "<div class=accwarn>$str</div>";
+ $body = str_replace($alert_marker, $alertstr, $body);
+
  $all = $head;
  $all .= trm_force($body);
  $all .= trm($pg);
@@ -612,7 +622,7 @@ function gopage($info, $data, $pagefun, $page, $menu, $name, $user, $ispage = tr
  else
 	$elapsed = microtime(true) - $stt;
 
- $foot = trm_force(str_replace('Z/', number_format($elapsed, 4), $foot));
+ $foot = trm_force(str_replace($elapsed_marker, number_format($elapsed, 4).'s', $foot));
 
  usleep(100000);
 

pool/page_api.php

@@ -23,6 +23,7 @@ function show_api($info, $page, $menu, $name, $user)
  $ans = getAtts($u, 'KAPIKey.str');
  if ($ans['STATUS'] != 'ok')
 	no_api($jfu);
+ # TODO: pass $api to ckdb to produce an invalid Key event
  if (!isset($ans['KAPIKey.str']))
 	no_api($jfu);
  if ($ans['KAPIKey.str'] != $api)

pool/page_reg.php

@@ -1,6 +1,5 @@
 <?php
 #
-include_once('socket.php');
 include_once('email.php');
 #
 function doregres($data, $u)

pool/page_reset.php

@@ -1,6 +1,5 @@
 <?php
 #
-include_once('socket.php');
 include_once('email.php');
 #
 function allow_reset($error)

pool/socket.php

@@ -193,8 +193,13 @@ function sendsock($fun, $msg, $tmo = false)
 # and the data $msg to send to ckdb
 # and it returns $ret = false on error or $ret = the string reply
 #
+# Alerts are always tagged on the end as: $fld_sep alert $val_sep text
+# There's allowed to be more than one. They are removed
+#
 function sendsockreply($fun, $msg, $tmo = false)
 {
+ global $fld_sep, $val_sep, $alrts;
+
  $ret = false;
  $socket = getsock($fun, $tmo);
  if ($socket !== false)
@@ -205,6 +210,21 @@ function sendsockreply($fun, $msg, $tmo = false)
 
 	socket_close($socket);
  }
+ $al = $fld_sep . 'alert' . $val_sep;
+ if ($ret !== false and strpos($ret, $al) !== false)
+ {
+	$all = explode($al, $ret);
+	$ret = $all[0];
+	$skip = true;
+	foreach ($all as $lrt)
+	{
+		if ($skip)
+			$skip = false;
+		else
+			// Discard duplicates
+			$alrts[preg_replace("/[\n\r]*$/",'',$lrt)] = 1;
+	}
+ }
  return $ret;
 }
 #

src/ckdb.c

@@ -286,6 +286,9 @@ static cklock_t fpm_lock;
 static char *first_pool_message;
 static sem_t socketer_sem;
 
+// command called for any ckdb alerts
+char *ckdb_alert_cmd = NULL;
+
 char *btc_server = "http://127.0.0.1:8330";
 char *btc_auth;
 int btc_timeout = 5;
@@ -477,12 +480,46 @@ K_STORE *payouts_store;
 // Emulate a list for lock checking
 K_LIST *process_pplns_free;
 
-/*
-// EVENTLOG
-K_TREE *eventlog_root;
-K_LIST *eventlog_free;
-K_STORE *eventlog_store;
-*/
+// IPS
+K_TREE *ips_root;
+K_LIST *ips_free;
+K_STORE *ips_store;
+
+// EVENTS
+K_TREE *events_user_root;
+K_TREE *events_ip_root;
+K_TREE *events_ipc_root;
+K_TREE *events_hash_root;
+K_LIST *events_free;
+K_STORE *events_store;
+
+EVENT_LIMITS e_limits[] = {
+ {	EVENTID_PASSFAIL,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // It's only possible to create an address account once, so user_lo/hi can never trigger
+ {	EVENTID_CREADDR,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // It's only possible to create an account once, so user_lo/hi can never trigger
+ {	EVENTID_CREACC,		60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // page_api.php with an invalid username
+ {	EVENTID_UNKATTS,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // 2fa missing/invalid format
+ {	EVENTID_INV2FA,		60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // Wrong 2fa value
+ {	EVENTID_WRONG2FA,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // Invalid address according to btcd
+ {	EVENTID_INVBTC,		60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // Incorrect format/length address
+ {	EVENTID_INCBTC,		60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // Address belongs to some other account
+ {	EVENTID_BTCUSED,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // It's only possible to create an account once, so user_lo/hi can never trigger
+ {	EVENTID_AUTOACC,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // Invalid user on auth, CKPool will throttle these
+ {	EVENTID_INVAUTH,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 },
+ // Invalid user on chkpass
+ {	EVENTID_INVUSER,	60,	1,	2*60,	2,	60,	1,	2*60,	2,	24*60*60 }
+};
+
+int event_limits_hash_lifetime = 24*60*60;
 
 // AUTHS authorise.id.json={...}
 K_TREE *auths_root;
@@ -1169,6 +1206,19 @@ static void alloc_storage()
 	payouts_wid_root = new_ktree("PayoutsWId", cmp_payouts_wid,
 					payouts_free);
 
+	ips_free = k_new_list("IPs", sizeof(IPS), ALLOC_IPS, LIMIT_IPS, true);
+	ips_store = k_new_store(ips_free);
+	ips_root = new_ktree(NULL, cmp_ips, ips_free);
+	ips_add(IPS_GROUP_OK, "127.0.0.1", "local", false, true, 0);
+
+	events_free = k_new_list("Events", sizeof(EVENTS),
+					ALLOC_EVENTS, LIMIT_EVENTS, true);
+	events_store = k_new_store(events_free);
+	events_user_root = new_ktree(NULL, cmp_events_user, events_free);
+	events_ip_root = new_ktree(NULL, cmp_events_ip, events_free);
+	events_ipc_root = new_ktree(NULL, cmp_events_ipc, events_free);
+	events_hash_root = new_ktree(NULL, cmp_events_hash, events_free);
+
 	auths_free = k_new_list("Auths", sizeof(AUTHS),
 					ALLOC_AUTHS, LIMIT_AUTHS, true);
 	auths_store = k_new_store(auths_free);
@@ -1250,6 +1300,9 @@ static void alloc_storage()
 
 	DLPRIO(userinfo, 50);
 
+	// Needs to check users and ips
+	DLPRIO(events, 47);
+
 	DLPRIO(auths, 44);
 	DLPRIO(users, 43);
 	DLPRIO(useratts, 42);
@@ -1272,6 +1325,7 @@ static void alloc_storage()
 	DLPRIO(idcontrol, PRIO_TERMINAL);
 	DLPRIO(optioncontrol, PRIO_TERMINAL);
 	DLPRIO(paymentaddresses, PRIO_TERMINAL);
+	DLPRIO(ips, PRIO_TERMINAL);
 
 	DLPCHECK();
 
@@ -1459,6 +1513,10 @@ static void dealloc_storage()
 	LOGWARNING("%s() poolstats ...", __func__);
 
 	FREE_ALL(poolstats);
+	FREE_TREE(events_user);
+	FREE_TREE(events_ip);
+	FREE_LISTS(events);
+	FREE_ALL(ips);
 	FREE_ALL(auths);
 
 	FREE_TREE(payouts_wid);
@@ -2675,9 +2733,10 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
 	TRANSFER *transfer;
 	K_TREE_CTX ctx[1];
 	MSGLINE *msgline;
-	K_ITEM *t_item = NULL, *cd_item = NULL, *seqall;
+	K_ITEM *t_item = NULL, *cd_item = NULL, *seqall, *i_item;
+	IPS *ips;
 	char *cmdptr, *idptr, *next, *eq, *end, *was;
-	char *data = NULL, *st = NULL, *st2 = NULL;
+	char *data = NULL, *st = NULL, *st2 = NULL, *ip = NULL;
 	bool noid = false;
 	size_t siz;
 
@@ -2939,6 +2998,8 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
 				k_add_head(transfer_free, t_item);
 				K_WUNLOCK(transfer_free);
 			} else {
+				if (strcmp(data, INETTRF) == 0)
+					ip = transfer->mvalue;
 				add_to_ktree_nolock(msgline->trf_root, t_item);
 				k_add_head_nolock(msgline->trf_store, t_item);
 			}
@@ -2991,6 +3052,30 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
 		}
 	}
 	free(cmdptr);
+
+	if (!seqall && ip) {
+		bool alert = false;
+		K_WLOCK(ips_free);
+		i_item = find_ips(IPS_GROUP_BAN, ip);
+		if (i_item) {
+			DATA_IPS(ips, i_item);
+			// Has the ban expired?
+			if ((int)tvdiff(now, &(ips->createdate)) > ips->lifetime) {
+				remove_from_ktree(ips_root, i_item);
+				k_unlink_item(ips_store, i_item);
+				if (ips->description) {
+					LIST_MEM_SUB(ips_free, ips->description);
+					FREENULL(ips->description);
+				}
+				k_add_head(ips_free, i_item);
+			} else
+				alert = true;
+		}
+		K_WUNLOCK(ips_free);
+		if (alert)
+			return CMD_ALERT;
+	}
+
 	return ckdb_cmds[msgline->which_cmds].cmd_val;
 nogood:
 	if (t_item) {
@@ -4113,7 +4198,7 @@ static void *socketer(__maybe_unused void *arg)
 	proc_instance_t *pi = (proc_instance_t *)arg;
 	pthread_t clis_pt, blis_pt;
 	unixsock_t *us = &pi->us;
-	char *end, *ans = NULL, *rep = NULL, *buf = NULL;
+	char *end, *ans = NULL, *rep = NULL, *buf = NULL, *tmp;
 	enum cmd_values cmdnum;
 	int sockd;
 	K_ITEM *wq_item = NULL, *ml_item = NULL;
@@ -4184,6 +4269,15 @@ static void *socketer(__maybe_unused void *arg)
 						 now.tv_sec);
 					send_unix_msg(sockd, reply);
 					break;
+				case CMD_ALERT:
+					snprintf(reply, sizeof(reply),
+						 "%s.%ld.failed.ERR",
+						 msgline->id,
+						 now.tv_sec);
+					tmp = reply_event(EVENTID_MAX, reply);
+					send_unix_msg(sockd, tmp);
+					FREENULL(tmp);
+					break;
 				case CMD_TERMINATE:
 					LOGWARNING("Listener received"
 						   " terminate message,"
@@ -4506,6 +4600,7 @@ static void reload_line(PGconn *conn, char *filename, uint64_t count, char *buf)
 		switch (cmdnum) {
 			// Ignore
 			case CMD_REPLY:
+			case CMD_ALERT:
 				break;
 			// Shouldn't be there
 			case CMD_TERMINATE:
@@ -5659,6 +5754,8 @@ static void check_restore_dir(char *name)
 }
 
 static struct option long_options[] = {
+	// script to call when alerts happen
+	{ "alert",		required_argument,	0,	'c' },
 	{ "config",		required_argument,	0,	'c' },
 	{ "dbname",		required_argument,	0,	'd' },
 	{ "free",		required_argument,	0,	'f' },
@@ -5715,8 +5812,11 @@ int main(int argc, char **argv)
 	memset(&ckp, 0, sizeof(ckp));
 	ckp.loglevel = LOG_NOTICE;
 
-	while ((c = getopt_long(argc, argv, "c:d:ghi:kl:mM:n:p:P:r:R:s:S:t:u:U:vw:yY:", long_options, &i)) != -1) {
+	while ((c = getopt_long(argc, argv, "a:c:d:ghi:kl:mM:n:p:P:r:R:s:S:t:u:U:vw:yY:", long_options, &i)) != -1) {
 		switch(c) {
+			case 'a':
+				ckdb_alert_cmd = strdup(optarg);
+				break;
 			case 'c':
 				ckp.config = strdup(optarg);
 				break;

src/ckdb.h

@@ -51,7 +51,7 @@
 
 #define DB_VLOCK "1"
 #define DB_VERSION "1.0.4"
-#define CKDB_VERSION DB_VERSION"-1.923"
+#define CKDB_VERSION DB_VERSION"-1.930"
 
 #define WHERE_FFL " - from %s %s() line %d"
 #define WHERE_FFL_HERE __FILE__, __func__, __LINE__
@@ -353,6 +353,8 @@ extern cklock_t last_lock;
 #define STR_SHAREERRORS "shareerror"
 #define STR_AGEWORKINFO "ageworkinfo"
 
+extern char *ckdb_alert_cmd;
+
 extern char *btc_server;
 extern char *btc_auth;
 extern int btc_timeout;
@@ -627,6 +629,7 @@ enum cmd_values {
 	CMD_UNSET,
 	CMD_DUPSEQ, // Ignore, we've already got it
 	CMD_REPLY, // Means something was wrong - send back reply
+	CMD_ALERT, // Means reply with the buf passed
 	CMD_TERMINATE,
 	CMD_PING,
 	CMD_VERSION,
@@ -804,6 +807,16 @@ enum cmd_values {
 		_row->expirydate.tv_usec = default_expiry.tv_usec; \
 	} while (0)
 
+#define HISTORYDATEDEFAULT(_row, _cd) do { \
+		_row->createdate.tv_sec = (_cd)->tv_sec; \
+		_row->createdate.tv_usec = (_cd)->tv_usec; \
+		STRNCPY(_row->createby, by_default); \
+		STRNCPY(_row->createcode, (char *)__func__); \
+		STRNCPY(_row->createinet, inet_default); \
+		_row->expirydate.tv_sec = default_expiry.tv_sec; \
+		_row->expirydate.tv_usec = default_expiry.tv_usec; \
+	} while (0)
+
 /* Override _row defaults if transfer fields are present
  * We don't care about the reply so it can be small */
 #define HISTORYDATETRANSFER(_root, _row) do { \
@@ -815,17 +828,17 @@ enum cmd_values {
 			__item = optional_name(_root, BYTRF, 1, NULL, __reply, __siz); \
 			if (__item) { \
 				DATA_TRANSFER(__transfer, __item); \
-				STRNCPY(_row->createby, __transfer->mvalue); \
+				STRNCPY((_row)->createby, __transfer->mvalue); \
 			} \
 			__item = optional_name(_root, CODETRF, 1, NULL, __reply, __siz); \
 			if (__item) { \
 				DATA_TRANSFER(__transfer, __item); \
-				STRNCPY(_row->createcode, __transfer->mvalue); \
+				STRNCPY((_row)->createcode, __transfer->mvalue); \
 			} \
 			__item = optional_name(_root, INETTRF, 1, NULL, __reply, __siz); \
 			if (__item) { \
 				DATA_TRANSFER(__transfer, __item); \
-				STRNCPY(_row->createinet, __transfer->mvalue); \
+				STRNCPY((_row)->createinet, __transfer->mvalue); \
 			} \
 		} \
 	} while (0)
@@ -1935,25 +1948,109 @@ extern K_LIST *process_pplns_free;
  * UserAtts can also at the user level */
 #define SHIFTS_SETTING_NAME "ShiftsPageSize"
 
-/*
-// EVENTLOG
-typedef struct eventlog {
-	int64_t eventlogid;
-	char poolinstance[TXT_BIG+1];
-	char eventlogcode[TXT_SML+1];
-	char *eventlogdescription;
+// IPS
+typedef struct ips {
+	char group[TXT_SML+1];
+	char ip[TXT_MED+1];
+	int lifetime;
+	bool log;
+	char *description;
 	HISTORYDATECONTROLFIELDS;
-} EVENTLOG;
-
-#define ALLOC_EVENTLOG 100
-#define LIMIT_EVENTLOG 0
-#define INIT_EVENTLOG(_item) INIT_GENERIC(_item, eventlog)
-#define DATA_EVENTLOG(_var, _item) DATA_GENERIC(_var, _item, eventlog, true)
-
-extern K_TREE *eventlog_root;
-extern K_LIST *eventlog_free;
-extern K_STORE *eventlog_store;
-*/
+} IPS;
+
+#define ALLOC_IPS 16
+#define LIMIT_IPS 0
+#define INIT_IPS(_item) INIT_GENERIC(_item, ips)
+#define DATA_IPS(_var, _item) DATA_GENERIC(_var, _item, ips, true)
+#define DATA_IPS_NULL(_var, _item) DATA_GENERIC(_var, _item, ips, false)
+
+extern K_TREE *ips_root;
+extern K_LIST *ips_free;
+extern K_STORE *ips_store;
+
+#define IPS_GROUP_OK "OK"
+#define IPS_GROUP_BAD "BAD"
+#define IPS_GROUP_BAN "BAN"
+
+// EVENTS RAM only
+typedef struct events {
+	int id;
+	// class C truncated version of createinet or full IP for IPv6
+	char ipc[TXT_MED+1];
+	// check for repeated use of the same hash
+	char hash[TXT_BIG+1];
+	// How many trees the item is still in
+	int trees;
+	// who: createby, createinet, createdate
+	HISTORYDATECONTROLFIELDS;
+} EVENTS;
+
+#define ALLOC_EVENTS 1000
+#define LIMIT_EVENTS 0
+#define INIT_EVENTS(_item) INIT_GENERIC(_item, events)
+#define DATA_EVENTS(_var, _item) DATA_GENERIC(_var, _item, events, true)
+#define DATA_EVENTS_NULL(_var, _item) DATA_GENERIC(_var, _item, events, false)
+
+extern K_TREE *events_user_root;
+extern K_TREE *events_ip_root;
+extern K_TREE *events_ipc_root;
+extern K_TREE *events_hash_root;
+extern K_LIST *events_free;
+extern K_STORE *events_store;
+
+// Any password failure
+#define EVENTID_PASSFAIL 0
+// Add/Change address
+#define EVENTID_CREADDR 1
+// Create an account
+#define EVENTID_CREACC 2
+// API unkatts
+#define EVENTID_UNKATTS 3
+// 2FA rubbish
+#define EVENTID_INV2FA 4
+// 2FA incorrect
+#define EVENTID_WRONG2FA 5
+// Attempt change to an invalid BTC address (that required btcd checking)
+#define EVENTID_INVBTC 6
+// Attempt change to an incorrect BTC address (that failed the ckdb test)
+#define EVENTID_INCBTC 7
+// Attempt change to another used BTC address
+#define EVENTID_BTCUSED 8
+// Auto create account
+#define EVENTID_AUTOACC 9
+// Unknown auth username
+#define EVENTID_INVAUTH 10
+// Unknown chkpass username
+#define EVENTID_INVUSER 11
+#define EVENTID_MAX 11
+
+#define EVENT_OK -1
+
+/* user limits are checked for matching id+user
+ * ip limits are checked for matching id+ip,
+ *  however, it requires more than one user found with the given ip
+ * i.e. a single user will not fail the test result for ip */
+typedef struct event_limits {
+	int id;
+	int user_low_time;
+	// how many in above limit = ok (+1 = alert)
+	int user_low_time_limit;
+	int user_hi_time;
+	// how many in above limit = ok (+1 = alert)
+	int user_hi_time_limit;
+	int ip_low_time;
+	// how many in above limit = ok (+1 = alert)
+	int ip_low_time_limit;
+	int ip_hi_time;
+	// how many in above limit = ok (+1 = alert)
+	int ip_hi_time_limit;
+	// expire events
+	int lifetime;
+} EVENT_LIMITS;
+
+extern EVENT_LIMITS e_limits[];
+// Has a fixed limit of 1 event allowed
+extern int event_limits_hash_lifetime;
 
 // AUTHS authorise.id.json={...}
 typedef struct auths {
@@ -2650,6 +2747,20 @@ extern K_ITEM *find_payoutid(int64_t payoutid);
 extern K_ITEM *find_payouts_wid(int64_t workinfoidend, K_TREE_CTX *ctx);
 extern double payout_stats(PAYOUTS *payouts, char *statname);
 extern bool process_pplns(int32_t height, char *blockhash, tv_t *now);
+extern cmp_t cmp_ips(K_ITEM *a, K_ITEM *b);
+extern K_ITEM *find_ips(char *group, char *ip);
+extern cmp_t cmp_events_user(K_ITEM *a, K_ITEM *b);
+extern cmp_t cmp_events_ip(K_ITEM *a, K_ITEM *b);
+extern cmp_t cmp_events_ipc(K_ITEM *a, K_ITEM *b);
+extern cmp_t cmp_events_hash(K_ITEM *a, K_ITEM *b);
+extern K_ITEM *last_events_user(int id, char *user, K_TREE_CTX *ctx);
+extern K_ITEM *last_events_ip(int id, char *ip, K_TREE_CTX *ctx);
+extern K_ITEM *last_events_ipc(int id, char *ipc, K_TREE_CTX *ctx);
+extern K_ITEM *last_events_hash(int id, char *hash, K_TREE_CTX *ctx);
+extern int check_events(EVENTS *events);
+extern char *_reply_event(int event, char *buf, bool fre);
+#define reply_event(_event, _buf) _reply_event(_event, _buf, false)
+#define reply_event_free(_event, _buf) _reply_event(_event, _buf, true)
 extern cmp_t cmp_auths(K_ITEM *a, K_ITEM *b);
 extern cmp_t cmp_poolstats(K_ITEM *a, K_ITEM *b);
 extern void dsp_userstats(K_ITEM *item, FILE *stream);
@@ -2755,7 +2866,8 @@ extern int64_t nextid(PGconn *conn, char *idname, int64_t increment,
 			tv_t *cd, char *by, char *code, char *inet);
 extern bool users_update(PGconn *conn, K_ITEM *u_item, char *oldhash,
 			 char *newhash, char *email, char *by, char *code,
-			 char *inet, tv_t *cd, K_TREE *trf_root, char *status);
+			 char *inet, tv_t *cd, K_TREE *trf_root, char *status,
+			 int *event);
 extern K_ITEM *users_add(PGconn *conn, char *username, char *emailaddress,
 			char *passwordhash, int64_t userbits, char *by,
 			char *code, char *inet, tv_t *cd, K_TREE *trf_root);
@@ -2857,11 +2969,15 @@ extern bool payouts_add(PGconn *conn, bool add, K_ITEM *p_item,
 extern K_ITEM *payouts_full_expire(PGconn *conn, int64_t payoutid, tv_t *now,
 				bool lock);
 extern bool payouts_fill(PGconn *conn);
+extern void ips_add(char *group, char *ip, char *des, bool log, bool cclass, int life);
+extern int _events_add(int id, char *by, char *inet, tv_t *cd, K_TREE *trf_root);
+#define events_add(_id, _trf_root) _events_add(_id, NULL, NULL, NULL, _trf_root)
 extern bool auths_add(PGconn *conn, char *poolinstance, char *username,
 			char *workername, char *clientid, char *enonce1,
 			char *useragent, char *preauth, char *by, char *code,
 			char *inet, tv_t *cd, K_TREE *trf_root,
-			bool addressuser, USERS **users, WORKERS **workers);
+			bool addressuser, USERS **users, WORKERS **workers,
+			int *event);
 extern bool poolstats_add(PGconn *conn, bool store, char *poolinstance,
 				char *elapsed, char *users, char *workers,
 				char *hashrate, char *hashrate5m,

src/ckdb_cmd.c

@@ -39,6 +39,7 @@ static char *cmd_adduser(PGconn *conn, char *cmd, char *id, tv_t *now, char *by,
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
 	K_ITEM *i_username, *i_emailaddress, *i_passwordhash, *u_item = NULL;
+	int event = EVENT_OK;
 
 	LOGDEBUG("%s(): cmd '%s'", __func__, cmd);
 
@@ -66,15 +67,18 @@ static char *cmd_adduser(PGconn *conn, char *cmd, char *id, tv_t *now, char *by,
 		if (!i_passwordhash)
 			return strdup(reply);
 
-		u_item = users_add(conn, transfer_data(i_username),
-					 transfer_data(i_emailaddress),
-					 transfer_data(i_passwordhash), 0,
-					 by, code, inet, now, trf_root);
+		event = events_add(EVENTID_CREACC, trf_root);
+		if (event == EVENT_OK) {
+			u_item = users_add(conn, transfer_data(i_username),
+						 transfer_data(i_emailaddress),
+						 transfer_data(i_passwordhash), 0,
+						 by, code, inet, now, trf_root);
+		}
 	}
 
 	if (!u_item) {
 		LOGERR("%s() %s.failed.DBE", __func__, id);
-		return strdup("failed.DBE");
+		return reply_event(event, "failed.DBE");
 	}
 	LOGDEBUG("%s.ok.added %s", id, transfer_data(i_username));
 	snprintf(reply, siz, "ok.added %s", transfer_data(i_username));
@@ -88,6 +92,7 @@ static char *cmd_newpass(__maybe_unused PGconn *conn, char *cmd, char *id,
 	K_ITEM *i_username, *i_oldhash, *i_newhash, *i_2fa, *u_item;
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
+	int event = EVENT_OK;
 	bool ok = true;
 	char *oldhash;
 	int32_t value;
@@ -112,8 +117,10 @@ static char *cmd_newpass(__maybe_unused PGconn *conn, char *cmd, char *id,
 	}
 
 	i_2fa = require_name(trf_root, "2fa", 1, (char *)intpatt, reply, siz);
-	if (!i_2fa)
-		return strdup(reply);
+	if (!i_2fa) {
+		event = events_add(EVENTID_INV2FA, trf_root);
+		return reply_event(event, reply);
+	}
 
 	if (ok) {
 		i_newhash = require_name(trf_root, "newhash",
@@ -131,6 +138,8 @@ static char *cmd_newpass(__maybe_unused PGconn *conn, char *cmd, char *id,
 			if (USER_TOTP_ENA(users)) {
 				value = (int32_t)atoi(transfer_data(i_2fa));
 				ok = check_2fa(users, value);
+				if (!ok)
+					event = events_add(EVENTID_WRONG2FA, trf_root);
 			}
 			if (ok) {
 				ok = users_update(NULL,
@@ -140,7 +149,7 @@ static char *cmd_newpass(__maybe_unused PGconn *conn, char *cmd, char *id,
 						  NULL,
 						  by, code, inet, now,
 						  trf_root,
-						  NULL);
+						  NULL, &event);
 			}
 		} else
 			ok = false;
@@ -148,7 +157,7 @@ static char *cmd_newpass(__maybe_unused PGconn *conn, char *cmd, char *id,
 
 	if (!ok) {
 		LOGERR("%s.failed.%s", id, transfer_data(i_username));
-		return strdup("failed.");
+		return reply_event(event, "failed.");
 	}
 	LOGDEBUG("%s.ok.%s", id, transfer_data(i_username));
 	return strdup("ok.");
@@ -162,6 +171,7 @@ static char *cmd_chkpass(__maybe_unused PGconn *conn, char *cmd, char *id,
 	K_ITEM *i_username, *i_passwordhash, *i_2fa, *u_item;
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
+	int event = EVENT_OK;
 	USERS *users;
 	bool ok;
 
@@ -177,27 +187,34 @@ static char *cmd_chkpass(__maybe_unused PGconn *conn, char *cmd, char *id,
 		return strdup(reply);
 
 	i_2fa = require_name(trf_root, "2fa", 1, (char *)intpatt, reply, siz);
-	if (!i_2fa)
-		return strdup(reply);
+	if (!i_2fa) {
+		event = events_add(EVENTID_INV2FA, trf_root);
+		return reply_event(event, reply);
+	}
 
 	K_RLOCK(users_free);
 	u_item = find_users(transfer_data(i_username));
 	K_RUNLOCK(users_free);
 
-	if (!u_item)
+	if (!u_item) {
+		event = events_add(EVENTID_INVUSER, trf_root);
 		ok = false;
-	else {
+	} else {
 		DATA_USERS(users, u_item);
 		ok = check_hash(users, transfer_data(i_passwordhash));
+		if (!ok)
+			event = events_add(EVENTID_PASSFAIL, trf_root);
 		if (ok && USER_TOTP_ENA(users)) {
 			uint32_t value = (int32_t)atoi(transfer_data(i_2fa));
 			ok = check_2fa(users, value);
+			if (!ok)
+				event = events_add(EVENTID_WRONG2FA, trf_root);
 		}
 	}
 
 	if (!ok) {
 		LOGERR("%s.failed.%s", id, transfer_data(i_username));
-		return strdup("failed.");
+		return reply_event(event, "failed.");
 	}
 	LOGDEBUG("%s.ok.%s", id, transfer_data(i_username));
 	return strdup("ok.");
@@ -210,6 +227,7 @@ static char *cmd_2fa(__maybe_unused PGconn *conn, char *cmd, char *id,
 	K_ITEM *i_username, *i_action, *i_entropy, *i_value, *u_item, *u_new;
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
+	int event = EVENT_OK;
 	size_t len, off;
 	char tmp[1024];
 	int32_t entropy, value;
@@ -241,8 +259,10 @@ static char *cmd_2fa(__maybe_unused PGconn *conn, char *cmd, char *id,
 	// Field always expected, use 0 if not required
 	i_value = require_name(trf_root, "value", 1, (char *)intpatt,
 				reply, siz);
-	if (!i_value)
-		return strdup(reply);
+	if (!i_value) {
+		event = events_add(EVENTID_INV2FA, trf_root);
+		return reply_event(event, reply);
+	}
 
 	K_RLOCK(users_free);
 	u_item = find_users(transfer_data(i_username));
@@ -328,6 +348,7 @@ static char *cmd_2fa(__maybe_unused PGconn *conn, char *cmd, char *id,
 				goto dame;
 			value = (int32_t)atoi(transfer_data(i_value));
 			if (!check_2fa(users, value)) {
+				event = events_add(EVENTID_WRONG2FA, trf_root);
 				sfa_error = "Invalid code";
 				// Report sfa_error to web
 				ok = true;
@@ -350,6 +371,7 @@ static char *cmd_2fa(__maybe_unused PGconn *conn, char *cmd, char *id,
 			// remove requires value
 			value = (int32_t)atoi(transfer_data(i_value));
 			if (!check_2fa(users, value)) {
+				event = events_add(EVENTID_WRONG2FA, trf_root);
 				sfa_error = "Invalid code";
 				// Report sfa_error to web
 				ok = true;
@@ -428,7 +450,7 @@ dame:
 		// Only db/php/code errors should get here
 		LOGERR("%s.failed.%s-%s", id, transfer_data(i_username), action);
 		FREENULL(buf);
-		return strdup("failed.");
+		return reply_event(event, "failed.");
 	}
 
 	snprintf(tmp, sizeof(tmp), "2fa_status=%s%c2fa_error=%s%c2fa_msg=%s",
@@ -436,7 +458,7 @@ dame:
 				   sfa_msg);
 	APPEND_REALLOC(buf, off, len, tmp);
 	LOGDEBUG("%s.%s-%s.%s", id, transfer_data(i_username), action, buf);
-	return buf;
+	return reply_event_free(event, buf);
 }
 
 static char *cmd_userset(PGconn *conn, char *cmd, char *id,
@@ -451,6 +473,7 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 	char *email, *address, *payname;
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
+	int event = EVENT_OK;
 	char tmp[1024];
 	PAYMENTADDRESSES *row, *pa;
 	K_STORE *pa_store = NULL;
@@ -479,6 +502,7 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 	K_RUNLOCK(users_free);
 
 	if (!u_item) {
+		event = events_add(EVENTID_UNKATTS, trf_root);
 		reason = "Unknown user";
 		goto struckout;
 	} else {
@@ -548,11 +572,13 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 			i_2fa = require_name(trf_root, "2fa", 1, (char *)intpatt,
 					      reply, siz);
 			if (!i_2fa) {
+				event = events_add(EVENTID_INV2FA, trf_root);
 				reason = "Invalid data";
 				goto struckout;
 			}
 
 			if (!check_hash(users, transfer_data(i_passwordhash))) {
+				event = events_add(EVENTID_PASSFAIL, trf_root);
 				reason = "Incorrect password";
 				goto struckout;
 			}
@@ -560,6 +586,7 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 			if (USER_TOTP_ENA(users)) {
 				uint32_t value = (int32_t)atoi(transfer_data(i_2fa));
 				if (!check_2fa(users, value)) {
+					event = events_add(EVENTID_WRONG2FA, trf_root);
 					reason = "Invalid data";
 					goto struckout;
 				}
@@ -624,6 +651,8 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 									 reply, siz);
 						if (!i_address) {
 							K_WUNLOCK(paymentaddresses_free);
+							event = events_add(EVENTID_INCBTC,
+									   trf_root);
 							reason = "Invalid address";
 							goto struckout;
 						}
@@ -679,10 +708,14 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 						 * payout address */
 						DATA_PAYMENTADDRESSES(pa, old_pa_item);
 						if (pa->userid != users->userid) {
+							event = events_add(EVENTID_BTCUSED,
+									   trf_root);
 							reason = "Unavailable BTC address";
 							goto struckout;
 						}
 					} else if (!btc_valid_address(row->payaddress)) {
+						event = events_add(EVENTID_INVBTC,
+								   trf_root);
 						reason = "Invalid BTC address";
 						goto struckout;
 					}
@@ -696,7 +729,7 @@ static char *cmd_userset(PGconn *conn, char *cmd, char *id,
 							email,
 							by, code, inet, now,
 							trf_root,
-							NULL);
+							NULL, &event);
 				if (!ok) {
 					reason = "email error";
 					goto struckout;
@@ -728,16 +761,22 @@ struckout:
 		pa_store = NULL;
 	}
 	if (reason) {
+		char *user, *st = NULL;
 		snprintf(reply, siz, "ERR.%s", reason);
-		LOGERR("%s.%s.%s", cmd, id, reply);
-		return strdup(reply);
+		if (i_username)
+			user = st = safe_text(transfer_data(i_username));
+		else
+			user = EMPTY;
+		LOGERR("%s.%s.%s (%s)", cmd, id, reply, user);
+		FREENULL(st);
+		return reply_event(event, reply);
 	}
 	APPEND_REALLOC_INIT(ret, off, len);
 	APPEND_REALLOC(ret, off, len, "ok.");
 	APPEND_REALLOC(ret, off, len, answer);
 	free(answer);
 	LOGDEBUG("%s.%s", id, ret);
-	return ret;
+	return reply_event_free(event, ret);
 }
 
 static char *cmd_workerset(PGconn *conn, char *cmd, char *id, tv_t *now,
@@ -2894,6 +2933,7 @@ static char *cmd_auth_do(PGconn *conn, char *cmd, char *id, char *by,
 	K_TREE_CTX ctx[1];
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
+	int event = EVENT_OK;
 	K_ITEM *i_poolinstance, *i_username, *i_workername, *i_clientid;
 	K_ITEM *i_enonce1, *i_useragent, *i_preauth, *u_item, *oc_item, *w_item;
 	USERS *users = NULL;
@@ -2902,7 +2942,7 @@ static char *cmd_auth_do(PGconn *conn, char *cmd, char *id, char *by,
 	OPTIONCONTROL *optioncontrol;
 	size_t len, off;
 	char *buf;
-	bool ok, first;
+	bool ok = true, first;
 
 	LOGDEBUG("%s(): cmd '%s'", __func__, cmd);
 
@@ -2958,26 +2998,33 @@ static char *cmd_auth_do(PGconn *conn, char *cmd, char *id, char *by,
 		u_item = find_users(username);
 		K_RUNLOCK(users_free);
 		if (!u_item) {
-			DATA_OPTIONCONTROL(optioncontrol, oc_item);
-			u_item = users_add(conn, username, EMPTY,
-					   optioncontrol->optionvalue, 0,
-					   by, code, inet, cd, trf_root);
+			event = events_add(EVENTID_AUTOACC, trf_root);
+			if (event == EVENT_OK) {
+				DATA_OPTIONCONTROL(optioncontrol, oc_item);
+				u_item = users_add(conn, username, EMPTY,
+						   optioncontrol->optionvalue,
+						   0, by, code, inet, cd,
+						   trf_root);
+			} else
+				ok = false;
 		}
 	}
 
-	ok = auths_add(conn, transfer_data(i_poolinstance),
-			     username,
-			     transfer_data(i_workername),
-			     transfer_data(i_clientid),
-			     transfer_data(i_enonce1),
-			     transfer_data(i_useragent),
-			     transfer_data(i_preauth),
-			     by, code, inet, cd, trf_root, false,
-			     &users, &workers);
+	if (ok) {
+		ok = auths_add(conn, transfer_data(i_poolinstance),
+				     username,
+				     transfer_data(i_workername),
+				     transfer_data(i_clientid),
+				     transfer_data(i_enonce1),
+				     transfer_data(i_useragent),
+				     transfer_data(i_preauth),
+				     by, code, inet, cd, trf_root, false,
+				     &users, &workers, &event);
+	}
 
 	if (!ok) {
 		LOGDEBUG("%s() %s.failed.DBE", __func__, id);
-		return strdup("failed.DBE");
+		return reply_event(event, "failed.DBE");
 	}
 
 	// Only flag a successful auth
@@ -3042,6 +3089,7 @@ static char *cmd_addrauth_do(PGconn *conn, char *cmd, char *id, char *by,
 	K_TREE_CTX ctx[1];
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
+	int event = EVENT_OK;
 	K_ITEM *i_poolinstance, *i_username, *i_workername, *i_clientid;
 	K_ITEM *i_enonce1, *i_useragent, *i_preauth, *w_item;
 	USERS *users = NULL;
@@ -3105,11 +3153,11 @@ static char *cmd_addrauth_do(PGconn *conn, char *cmd, char *id, char *by,
 			     transfer_data(i_useragent),
 			     transfer_data(i_preauth),
 			     by, code, inet, cd, trf_root, true,
-			     &users, &workers);
+			     &users, &workers, &event);
 
 	if (!ok) {
 		LOGDEBUG("%s() %s.failed.DBE", __func__, id);
-		return strdup("failed.DBE");
+		return reply_event(event, "failed.DBE");
 	}
 
 	// Only flag a successful auth
@@ -3352,7 +3400,7 @@ static char *cmd_homepage(__maybe_unused PGconn *conn, char *cmd, char *id,
 				   pool.shareinv, FLDSEP);
 	APPEND_REALLOC(buf, off, len, tmp);
 
-	// TODO: assumes only one poolinstance (for now)
+	// TODO: DB only has one poolinstance with -i
 	K_RLOCK(poolstats_free);
 	p_item = last_in_ktree(poolstats_root, ctx);
 	K_RUNLOCK(poolstats_free);
@@ -3524,6 +3572,7 @@ static char *cmd_getatts(__maybe_unused PGconn *conn, char *cmd, char *id,
 	K_ITEM *i_username, *i_attlist, *u_item, *ua_item;
 	char reply[1024] = "";
 	size_t siz = sizeof(reply);
+	int event = EVENT_OK;
 	char tmp[1024];
 	USERATTS *useratts;
 	USERS *users;
@@ -3538,6 +3587,7 @@ static char *cmd_getatts(__maybe_unused PGconn *conn, char *cmd, char *id,
 	i_username = require_name(trf_root, "username", MIN_USERNAME,
 				  (char *)userpatt, reply, siz);
 	if (!i_username) {
+		// Shouldn't happen except with a code problem no event required
 		reason = "Missing username";
 		goto nuts;
 	}
@@ -3547,6 +3597,8 @@ static char *cmd_getatts(__maybe_unused PGconn *conn, char *cmd, char *id,
 	K_RUNLOCK(users_free);
 
 	if (!u_item) {
+		// page_api.php without a valid username
+		event = events_add(EVENTID_UNKATTS, trf_root);
 		reason = "Unknown user";
 		goto nuts;
 	} else {
@@ -3639,7 +3691,7 @@ nuts:
 			free(answer);
 		snprintf(reply, siz, "ERR.%s", reason);
 		LOGERR("%s.%s.%s", cmd, id, reply);
-		return strdup(reply);
+		return reply_event(event, reply);
 	}
 	snprintf(reply, siz, "ok.%s", answer);
 	LOGDEBUG("%s.%s", id, answer);
@@ -5871,7 +5923,7 @@ static char *cmd_userstatus(PGconn *conn, char *cmd, char *id, tv_t *now, char *
 					NULL,
 					by, code, inet, now,
 					trf_root,
-					status);
+					status, NULL);
 	}
 
 	if (!ok) {

src/ckdb_data.c

@@ -425,7 +425,7 @@ void _txt_to_tv(char *nam, char *fld, tv_t *data, size_t siz, WHERE_FFL_ARGS)
 	_txt_to_data(TYPE_TV, nam, fld, (void *)data, siz, WHERE_FFL_PASS);
 }
 
-// Convert msg S,nS to tv_t
+// Convert msg S[,nS] to tv_t
 void _txt_to_ctv(char *nam, char *fld, tv_t *data, size_t siz, WHERE_FFL_ARGS)
 {
 	_txt_to_data(TYPE_CTV, nam, fld, (void *)data, siz, WHERE_FFL_PASS);
@@ -4273,6 +4273,540 @@ oku:
 	return ok;
 }
 
+// order by group asc,ip asc,expirydate desc
+cmp_t cmp_ips(K_ITEM *a, K_ITEM *b)
+{
+	IPS *ia, *ib;
+	DATA_IPS(ia, a);
+	DATA_IPS(ib, b);
+	cmp_t c = CMP_STR(ia->group, ib->group);
+	if (c == 0) {
+		c = CMP_STR(ia->ip, ib->ip);
+		if (c == 0)
+			c = CMP_TV(ib->expirydate, ia->expirydate);
+	}
+	return c;
+}
+
+// Must be R or W locked before call
+K_ITEM *find_ips(char *group, char *ip)
+{
+	K_TREE_CTX ctx[1];
+	K_ITEM look;
+	IPS ips;
+
+	STRNCPY(ips.group, group);
+	STRNCPY(ips.ip, ip);
+	ips.expirydate.tv_sec = default_expiry.tv_sec;
+	ips.expirydate.tv_usec = default_expiry.tv_usec;
+
+	INIT_IPS(&look);
+	look.data = (void *)(&ips);
+	return find_in_ktree(ips_root, &look, ctx);
+}
+
+// order by createby asc,id asc,expirydate desc, createdate asc
+cmp_t cmp_events_user(K_ITEM *a, K_ITEM *b)
+{
+	EVENTS *ea, *eb;
+	DATA_EVENTS(ea, a);
+	DATA_EVENTS(eb, b);
+	cmp_t c = CMP_STR(ea->createby, eb->createby);
+	if (c == 0) {
+		c = CMP_INT(ea->id, eb->id);
+		if (c == 0) {
+			c = CMP_TV(eb->expirydate, ea->expirydate);
+			if (c == 0)
+				c = CMP_TV(ea->createdate, eb->createdate);
+		}
+	}
+	return c;
+}
+
+// order by createinet asc,id asc,expirydate desc, createdate asc
+cmp_t cmp_events_ip(K_ITEM *a, K_ITEM *b)
+{
+	EVENTS *ea, *eb;
+	DATA_EVENTS(ea, a);
+	DATA_EVENTS(eb, b);
+	cmp_t c = CMP_STR(ea->createinet, eb->createinet);
+	if (c == 0) {
+		c = CMP_INT(ea->id, eb->id);
+		if (c == 0) {
+			c = CMP_TV(eb->expirydate, ea->expirydate);
+			if (c == 0)
+				c = CMP_TV(ea->createdate, eb->createdate);
+		}
+	}
+	return c;
+}
+
+// order by ipc asc,id asc,expirydate desc, createdate asc
+cmp_t cmp_events_ipc(K_ITEM *a, K_ITEM *b)
+{
+	EVENTS *ea, *eb;
+	DATA_EVENTS(ea, a);
+	DATA_EVENTS(eb, b);
+	cmp_t c = CMP_STR(ea->ipc, eb->ipc);
+	if (c == 0) {
+		c = CMP_INT(ea->id, eb->id);
+		if (c == 0) {
+			c = CMP_TV(eb->expirydate, ea->expirydate);
+			if (c == 0)
+				c = CMP_TV(ea->createdate, eb->createdate);
+		}
+	}
+	return c;
+}
+
+// order by hash asc,id asc,expirydate desc, createdate asc
+cmp_t cmp_events_hash(K_ITEM *a, K_ITEM *b)
+{
+	EVENTS *ea, *eb;
+	DATA_EVENTS(ea, a);
+	DATA_EVENTS(eb, b);
+	cmp_t c = CMP_STR(ea->hash, eb->hash);
+	if (c == 0) {
+		c = CMP_INT(ea->id, eb->id);
+		if (c == 0) {
+			c = CMP_TV(eb->expirydate, ea->expirydate);
+			if (c == 0)
+				c = CMP_TV(ea->createdate, eb->createdate);
+		}
+	}
+	return c;
+}
+
+K_ITEM *last_events_user(int id, char *user, K_TREE_CTX *ctx)
+{
+	K_TREE_CTX ctx0[1];
+	EVENTS events;
+	K_ITEM look;
+
+	if (ctx == NULL)
+		ctx = ctx0;
+
+	events.id = id;
+	STRNCPY(events.createby, user);
+	copy_tv(&(events.expirydate), &default_expiry);
+	copy_tv(&(events.createdate), &date_eot);
+
+	INIT_EVENTS(&look);
+	look.data = (void *)(&events);
+	return find_before_in_ktree(events_user_root, &look, ctx);
+}
+
+K_ITEM *last_events_ip(int id, char *ip, K_TREE_CTX *ctx)
+{
+	K_TREE_CTX ctx0[1];
+	EVENTS events;
+	K_ITEM look;
+
+	if (ctx == NULL)
+		ctx = ctx0;
+
+	events.id = id;
+	STRNCPY(events.createinet, ip);
+	copy_tv(&(events.expirydate), &default_expiry);
+	copy_tv(&(events.createdate), &date_eot);
+
+	INIT_EVENTS(&look);
+	look.data = (void *)(&events);
+	return find_before_in_ktree(events_ip_root, &look, ctx);
+}
+
+K_ITEM *last_events_ipc(int id, char *ipc, K_TREE_CTX *ctx)
+{
+	K_TREE_CTX ctx0[1];
+	EVENTS events;
+	K_ITEM look;
+
+	if (ctx == NULL)
+		ctx = ctx0;
+
+	events.id = id;
+	STRNCPY(events.ipc, ipc);
+	copy_tv(&(events.expirydate), &default_expiry);
+	copy_tv(&(events.createdate), &date_eot);
+
+	INIT_EVENTS(&look);
+	look.data = (void *)(&events);
+	return find_before_in_ktree(events_ipc_root, &look, ctx);
+}
+
+K_ITEM *last_events_hash(int id, char *hash, K_TREE_CTX *ctx)
+{
+	K_TREE_CTX ctx0[1];
+	EVENTS events;
+	K_ITEM look;
+
+	if (ctx == NULL)
+		ctx = ctx0;
+
+	events.id = id;
+	STRNCPY(events.hash, hash);
+	copy_tv(&(events.expirydate), &default_expiry);
+	copy_tv(&(events.createdate), &date_eot);
+
+	INIT_EVENTS(&look);
+	look.data = (void *)(&events);
+	return find_before_in_ktree(events_hash_root, &look, ctx);
+}
+
+enum event_cause {
+	CAUSE_NONE,
+	CAUSE_USER_LO,
+	CAUSE_USER_HI,
+	CAUSE_IP_LO,
+	CAUSE_IP_HI,
+	CAUSE_IPC_LO,
+	CAUSE_IPC_HI,
+	CAUSE_HASH
+};
+
+static const char *cause_none = "None";
+static const char *cause_user_lo = "User Low";
+static const char *cause_user_hi = "User High";
+static const char *cause_ip_lo = "IP Low";
+static const char *cause_ip_hi = "IP High";
+static const char *cause_ipc_lo = "IP C-Class Low";
+static const char *cause_ipc_hi = "IP C-Class Hi";
+static const char *cause_hash = "Hash";
+static const char *cause_unknown = "Unknown?";
+
+static const char *cause_str(enum event_cause cause)
+{
+	switch (cause) {
+		case CAUSE_NONE:
+			return cause_none;
+		case CAUSE_USER_LO:
+			return cause_user_lo;
+		case CAUSE_USER_HI:
+			return cause_user_hi;
+		case CAUSE_IP_LO:
+			return cause_ip_lo;
+		case CAUSE_IP_HI:
+			return cause_ip_hi;
+		case CAUSE_IPC_LO:
+			return cause_ipc_lo;
+		case CAUSE_IPC_HI:
+			return cause_ipc_hi;
+		case CAUSE_HASH:
+			return cause_hash;
+		default:
+			return cause_unknown;
+	}
+}
+
+// return EVENT_OK or timeout seconds
+int check_events(EVENTS *events)
+{
+	bool alert = false, user1, user2;
+	char createby[TXT_SML+1], *st = NULL;
+	enum event_cause cause = CAUSE_NONE;
+	K_ITEM *i_item, *e_item = NULL, *tmp_item, *u_item;
+	K_TREE_CTX ctx[1];
+	EVENTS *e = NULL;
+	int count, secs;
+	int tyme, limit, lifetime;
+	pid_t pid;
+	tv_t now;
+
+	// No way to send an alert, so don't test
+	if (!ckdb_alert_cmd)
+		return EVENT_OK;
+
+	K_RLOCK(ips_free);
+	i_item = find_ips(IPS_GROUP_OK, events->createinet);
+	if (!i_item)
+		i_item = find_ips(IPS_GROUP_OK, events->ipc);
+	K_RUNLOCK(ips_free);
+	if (i_item)
+		return EVENT_OK;
+
+	// All tests below always run all full checks to clean up old events
+	setnow(&now);
+	K_WLOCK(events_free);
+	// Check hash - same hash passfail on more than one valid User
+	if (events->id == EVENTID_PASSFAIL && *(events->hash)) {
+		e_item = last_events_hash(events->id, events->hash, ctx);
+		if (e_item) {
+			DATA_EVENTS(e, e_item);
+			user1 = false;
+			while (e_item && e->id == events->id &&
+			       strcmp(e->hash, events->hash) == 0 &&
+			       CURRENT(&(e->expirydate))) {
+				// rounded down seconds
+				secs = (int)tvdiff(&now, &(e->createdate));
+				// Is this event too old?
+				if (secs >= event_limits_hash_lifetime) {
+					tmp_item = e_item;
+					e_item = prev_in_ktree(ctx);
+					// Discard the old event - e is still tmp_item
+					remove_from_ktree(events_hash_root, tmp_item);
+					if (--(e->trees) < 1) {
+						// No longer in any of the event trees
+						k_unlink_item(events_store, tmp_item);
+						k_add_head(events_free, tmp_item);
+					}
+					continue;
+				}
+				if (!alert) {
+					if (!user1) {
+						K_RLOCK(users_free);
+						u_item = find_users(e->createby);
+						K_RUNLOCK(users_free);
+						if (u_item) {
+							// Remember the username
+							STRNCPY(createby, e->createby);
+							user1 = true;
+						}
+					} else {
+						// Don't check username case mistyping errors
+						if (strcasecmp(createby, e->createby) != 0) {
+							K_RLOCK(users_free);
+							u_item = find_users(e->createby);
+							K_RUNLOCK(users_free);
+							if (u_item) {
+								alert = true;
+								cause = CAUSE_HASH;
+								tyme = 0;
+								limit = 1;
+								lifetime = event_limits_hash_lifetime;
+							}
+						}
+					}
+				}
+				e_item = prev_in_ktree(ctx);
+			}
+		}
+	}
+	// Check User
+	e_item = last_events_user(events->id, events->createby, ctx);
+	if (e_item) {
+		DATA_EVENTS(e, e_item);
+		count = 0;
+		while (e_item && e->id == events->id &&
+		       strcmp(e->createby, events->createby) == 0 &&
+		       CURRENT(&(e->expirydate))) {
+			count++;
+			// rounded down seconds
+			secs = (int)tvdiff(&now, &(e->createdate));
+			// Is this event too old?
+			if (secs >= e_limits[events->id].lifetime) {
+				tmp_item = e_item;
+				e_item = prev_in_ktree(ctx);
+				// Discard the old event - e is still tmp_item
+				remove_from_ktree(events_user_root, tmp_item);
+				if (--e->trees < 1) {
+					// No longer in any of the event trees
+					k_unlink_item(events_store, tmp_item);
+					k_add_head(events_free, tmp_item);
+				}
+				continue;
+			}
+			if (alert == false &&
+			    secs <= e_limits[events->id].user_low_time &&
+			    count > e_limits[events->id].user_low_time_limit) {
+				alert = true;
+				cause = CAUSE_USER_LO;
+				tyme = e_limits[events->id].user_low_time;
+				limit = e_limits[events->id].user_low_time_limit;
+				lifetime = e_limits[events->id].lifetime;
+			}
+			if (alert == false &&
+			    secs <= e_limits[events->id].user_hi_time &&
+			    count > e_limits[events->id].user_hi_time_limit) {
+				alert = true;
+				cause = CAUSE_USER_HI;
+				tyme = e_limits[events->id].user_hi_time;
+				limit = e_limits[events->id].user_hi_time_limit;
+				lifetime = e_limits[events->id].lifetime;
+			}
+			e_item = prev_in_ktree(ctx);
+		}
+	}
+	// Check IP
+	e_item = last_events_ip(events->id, events->createinet, ctx);
+	if (e_item) {
+		DATA_EVENTS(e, e_item);
+		count = 0;
+		// Remember the first username
+		STRNCPY(createby, e->createby);
+		user2 = false;
+		while (e_item && e->id == events->id &&
+		       strcmp(e->createinet, events->createinet) == 0 &&
+		       CURRENT(&(e->expirydate))) {
+			count++;
+			// rounded down seconds
+			secs = (int)tvdiff(&now, &(e->createdate));
+			// Is this event too old?
+			if (secs >= e_limits[events->id].lifetime) {
+				tmp_item = e_item;
+				e_item = prev_in_ktree(ctx);
+				// Discard the old event - e is still tmp_item
+				remove_from_ktree(events_ip_root, tmp_item);
+				if (--e->trees < 1) {
+					// No longer in any of the event trees
+					k_unlink_item(events_store, tmp_item);
+					k_add_head(events_free, tmp_item);
+				}
+				continue;
+			}
+			// Allow username case typing errors
+			if (strcasecmp(createby, e->createby) != 0)
+				user2 = true;
+			if (alert == false &&
+			    secs <= e_limits[events->id].ip_low_time &&
+			    count > e_limits[events->id].ip_low_time_limit) {
+				alert = true;
+				cause = CAUSE_IP_LO;
+				tyme = e_limits[events->id].ip_low_time;
+				limit = e_limits[events->id].ip_low_time_limit;
+				lifetime = e_limits[events->id].lifetime;
+			}
+			if (alert == false &&
+			    secs <= e_limits[events->id].ip_hi_time &&
+			    count > e_limits[events->id].ip_hi_time_limit) {
+				alert = true;
+				cause = CAUSE_IP_HI;
+				tyme = e_limits[events->id].ip_hi_time;
+				limit = e_limits[events->id].ip_hi_time_limit;
+				lifetime = e_limits[events->id].lifetime;
+			}
+			e_item = prev_in_ktree(ctx);
+		}
+		/* If the ip alert was a single user then it's not an ip failure
+		 *  since the User check already covers that */
+		if (alert && (cause == CAUSE_IP_LO || cause == CAUSE_IP_HI) &&
+		    user2 == false)
+			alert = false;
+	}
+	// Check IPC (Class C IP) use same rules as for IP
+	e_item = last_events_ipc(events->id, events->ipc, ctx);
+	if (e_item) {
+		DATA_EVENTS(e, e_item);
+		count = 0;
+		// Remember the first username
+		STRNCPY(createby, e->createby);
+		user2 = false;
+		while (e_item && e->id == events->id &&
+		       strcmp(e->ipc, events->ipc) == 0 &&
+		       CURRENT(&(e->expirydate))) {
+			count++;
+			// rounded down seconds
+			secs = (int)tvdiff(&now, &(e->createdate));
+			// Is this event too old?
+			if (secs >= e_limits[events->id].lifetime) {
+				tmp_item = e_item;
+				e_item = prev_in_ktree(ctx);
+				// Discard the old event - e is still tmp_item
+				remove_from_ktree(events_ipc_root, tmp_item);
+				if (--e->trees < 1) {
+					k_unlink_item(events_store, tmp_item);
+					k_add_head(events_free, tmp_item);
+				}
+				continue;
+			}
+			// Allow username case typing errors
+			if (strcasecmp(createby, e->createby) != 0)
+				user2 = true;
+			if (alert == false &&
+			    secs <= e_limits[events->id].ip_low_time &&
+			    count > e_limits[events->id].ip_low_time_limit) {
+				alert = true;
+				cause = CAUSE_IPC_LO;
+				tyme = e_limits[events->id].ip_low_time;
+				limit = e_limits[events->id].ip_low_time_limit;
+				lifetime = e_limits[events->id].lifetime;
+			}
+			if (alert == false &&
+			    secs <= e_limits[events->id].ip_hi_time &&
+			    count > e_limits[events->id].ip_hi_time_limit) {
+				alert = true;
+				cause = CAUSE_IPC_HI;
+				tyme = e_limits[events->id].ip_hi_time;
+				limit = e_limits[events->id].ip_hi_time_limit;
+				lifetime = e_limits[events->id].lifetime;
+			}
+			e_item = prev_in_ktree(ctx);
+		}
+		/* If the ipc alert was a single user then it's not an ipc failure
+		 *  since the User check already covers that */
+		if (alert && (cause == CAUSE_IPC_LO || cause == CAUSE_IPC_HI) &&
+		    user2 == false)
+			alert = false;
+	}
+	K_WUNLOCK(events_free);
+	if (alert) {
+		LOGERR("%s() ALERT ID:%d Lim:%d Time:%d Life:%d %s '%s' '%s'",
+			__func__,
+			events->id, limit, tyme, lifetime,
+			events->createinet,
+			st = safe_text_nonull(events->createby),
+			cause_str(cause));
+		FREENULL(st);
+		ips_add(IPS_GROUP_BAN, events->createinet,
+			(char *)cause_str(cause), true, false, lifetime);
+		pid = fork();
+		if (pid < 0) {
+			LOGERR("%s() ALERT failed to fork (%d)",
+				__func__, errno);
+		} else {
+			if (pid == 0) {
+				char buf1[16], buf2[16], buf3[16], buf4[16];
+				snprintf(buf1, sizeof(buf1), "%d", events->id);
+				snprintf(buf2, sizeof(buf2), "%d", limit);
+				snprintf(buf3, sizeof(buf3), "%d", tyme);
+				snprintf(buf4, sizeof(buf4), "%d", lifetime);
+				st = safe_text_nonull(events->createby);
+				execl(ckdb_alert_cmd, ckdb_alert_cmd, buf1,
+					buf2, buf3, buf4, events->createinet,
+					st, cause_str(cause), NULL);
+				LOGERR("%s() ALERT fork failed to execute (%d)",
+					__func__, errno);
+				FREENULL(st);
+				exit(0);
+			}
+		}
+		return lifetime;
+	}
+	return EVENT_OK;
+}
+
+static char lurt[] = "alert=";
+static size_t lurtsiz = sizeof(lurt);
+static char toomany[] = "Too many failures, come back later";
+static size_t toomanysiz = sizeof(toomany);
+
+char *_reply_event(int event, char *buf, bool fre)
+{
+	size_t len;
+	char *reply;
+
+	if (event == EVENT_OK) {
+		if (fre)
+			return buf;
+		else {
+			reply = strdup(buf);
+			if (!reply)
+				quithere(1, "strdup OOM");
+			return reply;
+		}
+	}
+
+	len = strlen(buf);
+	len += 1 + lurtsiz;
+	len += toomanysiz + 1;
+	reply = malloc(len);
+	if (!reply)
+		quithere(1, "malloc (%d) OOM", (int)len);
+	snprintf(reply, len, "%s%c%s%s", buf, FLDSEP, lurt, toomany);
+	if (fre)
+		free(buf);
+	return reply;
+}
+
 // order by userid asc,createdate asc,authid asc,expirydate desc
 cmp_t cmp_auths(K_ITEM *a, K_ITEM *b)
 {

src/ckdb_dbio.c

@@ -389,10 +389,10 @@ cleanup:
 	return lastid;
 }
 
-// status was added to the end so type checking intercepts new mistakes
 bool users_update(PGconn *conn, K_ITEM *u_item, char *oldhash,
 		  char *newhash, char *email, char *by, char *code,
-		  char *inet, tv_t *cd, K_TREE *trf_root, char *status)
+		  char *inet, tv_t *cd, K_TREE *trf_root, char *status,
+		  int *event)
 {
 	ExecStatusType rescode;
 	bool conned = false;
@@ -414,8 +414,11 @@ bool users_update(PGconn *conn, K_ITEM *u_item, char *oldhash,
 
 	DATA_USERS(users, u_item);
 	// i.e. if oldhash == EMPTY, just overwrite with new
-	if (hash && oldhash != EMPTY && !check_hash(users, oldhash))
+	if (hash && oldhash != EMPTY && !check_hash(users, oldhash)) {
+		if (event)
+			*event = events_add(EVENTID_PASSFAIL, trf_root);
 		return false;
+	}
 
 	K_WLOCK(users_free);
 	item = k_unlink_head(users_free);
@@ -6125,12 +6128,180 @@ bool payouts_fill(PGconn *conn)
 	return ok;
 }
 
+void ips_add(char *group, char *ip, char *des, bool log, bool cclass, int life)
+{
+	K_ITEM *i_item, *i2_item;
+	IPS *ips, *ips2;
+	char *dot;
+	tv_t now;
+	bool ok;
+
+	setnow(&now);
+	K_WLOCK(ips_free);
+	i_item = k_unlink_head(ips_free);
+	DATA_IPS(ips, i_item);
+	STRNCPY(ips->group, group);
+	STRNCPY(ips->ip, ip);
+	ips->lifetime = life;
+	if (des) {
+		ips->description = strdup(des);
+		if (!ips->description)
+			quithere(1, "strdup OOM");
+		LIST_MEM_ADD(ips_free, ips->description);
+	}
+	ips->log = log;
+	HISTORYDATEDEFAULT(ips, &now);
+	add_to_ktree(ips_root, i_item);
+	k_add_head(ips_store, i_item);
+	if (cclass) {
+		i2_item = k_unlink_head(ips_free);
+		DATA_IPS(ips2, i2_item);
+		memcpy(ips2, ips, sizeof(*ips2));
+		ok = false;
+		dot = strchr(ips->ip, '.');
+		if (dot) {
+			dot = strchr(dot+1, '.');
+			if (dot) {
+				dot = strchr(dot+1, '.');
+				if (dot) {
+					*dot = '\0';
+					ok = true;
+				}
+			}
+		}
+		if (ok) {
+			if (des) {
+				ips2->description = strdup(des);
+				LIST_MEM_ADD(ips_free, ips2->description);
+			}
+			add_to_ktree(ips_root, i2_item);
+			k_add_head(ips_store, i2_item);
+		} else
+			k_add_head(ips_free, i2_item);
+	}
+	K_WUNLOCK(ips_free);
+}
+
+// trf_root overrides by,inet,cd fields
+int _events_add(int id, char *by, char *inet, tv_t *cd, K_TREE *trf_root)
+{
+	K_ITEM look, *e_item, *i_passwordhash, *i_webtime, *i_username;
+	K_TREE_CTX ctx[1];
+	EVENTS events, *d_events;
+	char reply[1024] = "";
+	size_t siz = sizeof(reply);
+
+	LOGDEBUG("%s(): add", __func__);
+
+	bzero(&events, sizeof(events));
+	events.id = id;
+	events.expirydate.tv_sec = default_expiry.tv_sec;
+	events.expirydate.tv_usec = default_expiry.tv_usec;
+
+	// Default to now if not specified
+	setnow(&(events.createdate));
+
+	if (by)
+		STRNCPY(events.createby, by);
+
+	if (inet)
+		STRNCPY(events.createinet, inet);
+
+	if (cd)
+		copy_tv(&(events.createdate), cd);
+
+	// trf_root values overrides parameters
+	HISTORYDATETRANSFER(trf_root, &events);
+
+	// username overrides createby
+	i_username = optional_name(trf_root, "username", 1, NULL,
+					reply, siz);
+	if (i_username)
+		STRNCPY(events.createby, transfer_data(i_username));
+
+	// webtime overrides
+	i_webtime = optional_name(trf_root, "webtime", 1, NULL,
+					reply, siz);
+	if (i_webtime) {
+		TXT_TO_CTV("webtime", transfer_data(i_webtime),
+			  events.createdate);
+	}
+
+	/* We don't care if it's valid or not, though php should have
+	 *  already ensured it's valid */
+	i_passwordhash = optional_name(trf_root, "passwordhash", 1, NULL,
+					reply, siz);
+	if (i_passwordhash)
+		STRNCPY(events.hash, transfer_data(i_passwordhash));
+
+	if (events.createinet[0]) {
+		char *dot;
+		STRNCPY(events.ipc, events.createinet);
+		dot = strchr(events.ipc, '.');
+		if (dot) {
+			dot = strchr(dot+1, '.');
+			if (dot) {
+				dot = strchr(dot+1, '.');
+				if (dot)
+					*dot = '\0';
+			}
+		}
+	}
+
+	// Only store an event that had actual usable data
+	if (!events.createby[0] && !events.createinet[0] &&
+	    !events.ipc[0] && !events.hash[0])
+		return EVENT_OK;
+
+	INIT_EVENTS(&look);
+	look.data = (void *)(&events);
+
+	// All processing under lock - since we must be able to delete events
+	K_WLOCK(events_free);
+	// keep looping incrementing the usec time until it's not a duplicate
+	while (find_in_ktree(events_user_root, &look, ctx) ||
+	       find_in_ktree(events_ip_root, &look, ctx) ||
+	       find_in_ktree(events_ipc_root, &look, ctx) ||
+	       find_in_ktree(events_hash_root, &look, ctx)) {
+		if (++events.createdate.tv_usec >= 1000000) {
+			events.createdate.tv_usec -= 1000000;
+			events.createdate.tv_sec++;
+		}
+	}
+	e_item = k_unlink_head(events_free);
+	DATA_EVENTS(d_events, e_item);
+	COPY_DATA(d_events, &events);
+	k_add_head(events_store, e_item);
+	if (d_events->createby[0]) {
+		add_to_ktree(events_user_root, e_item);
+		d_events->trees++;
+	}
+	if (d_events->createinet[0]) {
+		add_to_ktree(events_ip_root, e_item);
+		d_events->trees++;
+	}
+	// Don't bother if it's the same as IP
+	if (d_events->ipc[0] &&
+	    strcmp(d_events->ipc, d_events->createinet) != 0) {
+		add_to_ktree(events_ipc_root, e_item);
+		d_events->trees++;
+	}
+	if (d_events->hash[0]) {
+		add_to_ktree(events_hash_root, e_item);
+		d_events->trees++;
+	}
+	K_WUNLOCK(events_free);
+
+	return check_events(&events);
+}
+
 // TODO: discard them from RAM
 bool auths_add(PGconn *conn, char *poolinstance, char *username,
 		char *workername, char *clientid, char *enonce1,
 		char *useragent, char *preauth, char *by, char *code,
 		char *inet, tv_t *cd, K_TREE *trf_root,
-		bool addressuser, USERS **users, WORKERS **workers)
+		bool addressuser, USERS **users, WORKERS **workers,
+		int *event)
 {
 	K_TREE_CTX ctx[1];
 	K_ITEM *a_item, *u_item, *w_item;
@@ -6161,6 +6332,7 @@ bool auths_add(PGconn *conn, char *poolinstance, char *username,
 				 __func__,
 				 st = safe_text_nonull(username));
 			FREENULL(st);
+			*event = events_add(EVENTID_INVAUTH, trf_root);
 		}
 		if (!u_item)
 			goto unitem;