X-Git-Url: https://jfr.im/git/irc/rqf/shadowircd.git/blobdiff_plain/4f14b4b7bc07ffb659b8e1cca26e27d6ee0bfad5..1a4058095dfd58dac90114552f03a8f4406bd09c:/src/client.c

diff --git a/src/client.c b/src/client.c
index ecc8722..ac45624 100644
--- a/src/client.c
+++ b/src/client.c
@@ -31,16 +31,14 @@
 #include "class.h"
 #include "common.h"
 #include "hash.h"
-#include "irc_string.h"
-#include "sprintf_irc.h"
+#include "match.h"
 #include "ircd.h"
-#include "s_gline.h"
 #include "numeric.h"
 #include "packet.h"
 #include "s_auth.h"
 #include "s_conf.h"
 #include "s_newconf.h"
-#include "s_log.h"
+#include "logger.h"
 #include "s_serv.h"
 #include "s_stats.h"
 #include "send.h"
@@ -56,6 +54,7 @@
 #include "reject.h"
 #include "scache.h"
 #include "irc_dictionary.h"
+#include "sslproc.h"
 
 #define DEBUG_EXITED_CLIENTS
 
@@ -73,20 +72,19 @@ static int qs_server(struct Client *, struct Client *, struct Client *, const ch
 
 static EVH check_pings;
 
-extern rb_bh *client_heap;
-extern rb_bh *lclient_heap;
-extern rb_bh *pclient_heap;
+static rb_bh *client_heap = NULL;
+static rb_bh *lclient_heap = NULL;
+static rb_bh *pclient_heap = NULL;
+static rb_bh *user_heap = NULL;
 static rb_bh *away_heap = NULL;
-
-extern char current_uid[IDLEN];
+static char current_uid[IDLEN];
 
 struct Dictionary *nd_dict = NULL;
 
 enum
 {
 	D_LINED,
-	K_LINED,
-	G_LINED
+	K_LINED
 };
 
 rb_dlink_list dead_list;
@@ -118,14 +116,16 @@ init_client(void)
 	 * start off the check ping event ..  -- adrian
 	 * Every 30 seconds is plenty -- db
 	 */
-	client_heap = rb_bh_create(sizeof(struct Client), CLIENT_HEAP_SIZE, "client_heap");
+	client_heap = rb_bh_create(sizeof(struct Client), CLIENT_HEAP_SIZE, "client_heap");
 	lclient_heap = rb_bh_create(sizeof(struct LocalUser), LCLIENT_HEAP_SIZE, "lclient_heap");
 	pclient_heap = rb_bh_create(sizeof(struct PreClient), PCLIENT_HEAP_SIZE, "pclient_heap");
+	user_heap = rb_bh_create(sizeof(struct User), USER_HEAP_SIZE, "user_heap");
 	away_heap = rb_bh_create(AWAYLEN, AWAY_HEAP_SIZE, "away_heap");
 
 	rb_event_addish("check_pings", check_pings, NULL, 30);
 	rb_event_addish("free_exited_clients", &free_exited_clients, NULL, 4);
 	rb_event_addish("exit_aborted_clients", exit_aborted_clients, NULL, 1);
+	rb_event_add("flood_recalc", flood_recalc, NULL, 1);
 
 	nd_dict = irc_dictionary_create(irccmp);
 }
@@ -153,16 +153,15 @@ make_client(struct Client *from)
 	{
 		client_p->from = client_p;	/* 'from' of local client is self! */
 
-		localClient = (struct LocalUser *) rb_bh_alloc(lclient_heap);
+		localClient = rb_bh_alloc(lclient_heap);
 		SetMyConnect(client_p);
 		client_p->localClient = localClient;
 
 		client_p->localClient->lasttime = client_p->localClient->firsttime = rb_current_time();
 
 		client_p->localClient->F = NULL;
-		client_p->localClient->ctrlfd = -1;
 
-		client_p->preClient = (struct PreClient *) rb_bh_alloc(pclient_heap);
+		client_p->preClient = rb_bh_alloc(pclient_heap);;
 
 		/* as good a place as any... */
 		rb_dlinkAdd(client_p, &client_p->localClient->tnode, &unknown_list);
@@ -219,8 +218,11 @@ free_local_client(struct Client *client_p)
 		client_p->localClient->listener = 0;
 	}
 
-	if(client_p->localClient->F)
+	if(client_p->localClient->F != NULL)
+	{
+		del_from_cli_fd_hash(client_p);
 		rb_close(client_p->localClient->F);
+	}
 
 	if(client_p->localClient->passwd)
 	{
@@ -233,6 +235,14 @@ free_local_client(struct Client *client_p)
 	rb_free(client_p->localClient->fullcaps);
 	rb_free(client_p->localClient->opername);
 	rb_free(client_p->localClient->mangledhost);
+	if (client_p->localClient->privset)
+		privilegeset_unref(client_p->localClient->privset);
+
+	if(IsSSL(client_p))
+	    ssld_decrement_clicount(client_p->localClient->ssl_ctl);
+	    
+	if(IsCapable(client_p, CAP_ZIP))
+	    ssld_decrement_clicount(client_p->localClient->z_ctl);
 
 	rb_bh_free(lclient_heap, client_p->localClient);
 	client_p->localClient = NULL;
@@ -319,7 +329,7 @@ check_pings_list(rb_dlink_list * list)
 				{
 					sendto_realops_snomask(SNO_GENERAL, L_ALL,
 							     "No response from %s, closing link",
-							     get_server_name(client_p, HIDE_IP));
+							     client_p->name);
 					ilog(L_SERVER,
 					     "No response from %s, closing link",
 					     log_client_name(client_p, HIDE_IP));
@@ -370,6 +380,11 @@ check_unknowns_list(rb_dlink_list * list)
 		if(IsDead(client_p) || IsClosing(client_p))
 			continue;
 
+		/* still has DNSbls to validate against */
+		if(client_p->preClient != NULL &&
+				rb_dlink_list_length(&client_p->preClient->dnsbl_queries) > 0)
+			continue;
+
 		/*
 		 * Check UNKNOWN connections - if they have been in this state
 		 * for > 30s, close them.
@@ -382,7 +397,7 @@ check_unknowns_list(rb_dlink_list * list)
 			{
 				sendto_realops_snomask(SNO_GENERAL, is_remote_connect(client_p) ? L_NETWIDE : L_ALL,
 						     "No response from %s, closing link",
-						     get_server_name(client_p, HIDE_IP));
+						     client_p->name);
 				ilog(L_SERVER,
 				     "No response from %s, closing link",
 				     log_client_name(client_p, HIDE_IP));
@@ -398,7 +413,6 @@ notify_banned_client(struct Client *client_p, struct ConfItem *aconf, int ban)
 	static const char conn_closed[] = "Connection closed";
 	static const char d_lined[] = "D-lined";
 	static const char k_lined[] = "K-lined";
-	static const char g_lined[] = "G-lined";
 	const char *reason = NULL;
 	const char *exit_reason = conn_closed;
 
@@ -409,18 +423,7 @@ notify_banned_client(struct Client *client_p, struct ConfItem *aconf, int ban)
 	}
 	else
 	{
-		switch (aconf->status)
-		{
-		case D_LINED:
-			reason = d_lined;
-			break;
-		case G_LINED:
-			reason = g_lined;
-			break;
-		default:
-			reason = k_lined;
-			break;
-		}
+		reason = aconf->status == D_LINED ? d_lined : k_lined;
 	}
 
 	if(ban == D_LINED && !IsPerson(client_p))
@@ -438,7 +441,7 @@ notify_banned_client(struct Client *client_p, struct ConfItem *aconf, int ban)
  * check_banned_lines
  * inputs	- NONE
  * output	- NONE
- * side effects - Check all connections for a pending k/d/gline against the
+ * side effects - Check all connections for a pending k/dline against the
  * 		  client, exit the client if found.
  */
 void
@@ -489,33 +492,6 @@ check_banned_lines(void)
 			notify_banned_client(client_p, aconf, K_LINED);
 			continue;
 		}
-		else if((aconf = find_gline(client_p)) != NULL)
-		{
-			if(IsExemptKline(client_p))
-			{
-				sendto_realops_snomask(SNO_GENERAL, L_ALL,
-						"GLINE over-ruled for %s, client is kline_exempt [%s@%s]",
-						get_client_name(client_p, HIDE_IP),
-						aconf->user, aconf->host);
-				continue;
-			}
-
-			if(IsExemptGline(client_p))
-			{
-				sendto_realops_snomask(SNO_GENERAL, L_ALL,
-						"GLINE over-ruled for %s, client is gline_exempt [%s@%s]",
-						get_client_name(client_p, HIDE_IP),
-						aconf->user, aconf->host);
-				continue;
-			}
-
-			sendto_realops_snomask(SNO_GENERAL, L_ALL,
-					"GLINE active for %s",
-					get_client_name(client_p, HIDE_IP));
-
-			notify_banned_client(client_p, aconf, G_LINED);
-			continue;
-		}
 		else if((aconf = find_xline(client_p->info, 1)) != NULL)
 		{
 			if(IsExemptKline(client_p))
@@ -605,55 +581,6 @@ check_klines(void)
 	}
 }
 
-/* check_glines()
- *
- * inputs       -
- * outputs      -
- * side effects - all clients will be checked for glines
- */
-void
-check_glines(void)
-{
-	struct Client *client_p;
-	struct ConfItem *aconf;
-	rb_dlink_node *ptr;
-	rb_dlink_node *next_ptr;
-
-	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
-	{
-		client_p = ptr->data;
-
-		if(IsMe(client_p) || !IsPerson(client_p))
-			continue;
-
-		if((aconf = find_gline(client_p)) != NULL)
-		{
-			if(IsExemptKline(client_p))
-			{
-				sendto_realops_snomask(SNO_GENERAL, L_ALL,
-						     "GLINE over-ruled for %s, client is kline_exempt",
-						     get_client_name(client_p, HIDE_IP));
-				continue;
-			}
-
-			if(IsExemptGline(client_p))
-			{
-				sendto_realops_snomask(SNO_GENERAL, L_ALL,
-						     "GLINE over-ruled for %s, client is gline_exempt",
-						     get_client_name(client_p, HIDE_IP));
-				continue;
-			}
-
-			sendto_realops_snomask(SNO_GENERAL, L_ALL,
-					     "GLINE active for %s",
-					     get_client_name(client_p, HIDE_IP));
-
-			notify_banned_client(client_p, aconf, K_LINED);
-			continue;
-		}
-	}
-}
-
 /* check_dlines()
  *
  * inputs       -
@@ -929,10 +856,8 @@ get_client_name(struct Client *client, int showip)
 		if(ConfigFileEntry.hide_spoof_ips && 
 		   showip == SHOW_IP && IsIPSpoof(client))
 			showip = MASK_IP;
-#ifdef HIDE_SERVERS_IPS
 		if(IsAnyServer(client))
 			showip = MASK_IP;
-#endif
 
 		/* And finally, let's get the host information, ip or name */
 		switch (showip)
@@ -958,49 +883,6 @@ get_client_name(struct Client *client, int showip)
 	 */
 	return client->name;
 }
-
-const char *
-get_server_name(struct Client *target_p, int showip)
-{
-	static char nbuf[HOSTLEN * 2 + USERLEN + 5];
-
-	if(target_p == NULL)
-		return NULL;
-
-	if(!MyConnect(target_p) || !irccmp(target_p->name, target_p->host))
-		return target_p->name;
-
-#ifdef HIDE_SERVERS_IPS
-	if(EmptyString(target_p->name))
-	{
-		rb_snprintf(nbuf, sizeof(nbuf), "[%s@255.255.255.255]",
-				target_p->username);
-		return nbuf;
-	}
-	else
-		return target_p->name;
-#endif
-
-	switch (showip)
-	{
-		case SHOW_IP:
-			rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
-				target_p->name, target_p->username, 
-				target_p->sockhost);
-			break;
-
-		case MASK_IP:
-			rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
-				target_p->name, target_p->username);
-
-		default:
-			rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
-				target_p->name, target_p->username,
-				target_p->host);
-	}
-
-	return nbuf;
-}
 	
 /* log_client_name()
  *
@@ -1279,7 +1161,7 @@ exit_aborted_clients(void *unused)
  	 	if(IsAnyServer(abt->client))
  	 	 	sendto_realops_snomask(SNO_GENERAL, L_ALL,
   	 	 	                     "Closing link to %s: %s",
-   	 	 	                     get_server_name(abt->client, HIDE_IP), abt->notice);
+   	 	 	                      abt->client->name, abt->notice);
 
 		/* its no longer on abort list - we *must* remove
 		 * FLAGS_CLOSING otherwise exit_client() will not run --fl
@@ -1307,7 +1189,7 @@ dead_link(struct Client *client_p)
 	abt = (struct abort_client *) rb_malloc(sizeof(struct abort_client));
 
 	if(client_p->flags & FLAGS_SENDQEX)
-		strlcpy(abt->notice, "Max SendQ exceeded", sizeof(abt->notice));
+		rb_strlcpy(abt->notice, "Max SendQ exceeded", sizeof(abt->notice));
 	else
 		rb_snprintf(abt->notice, sizeof(abt->notice), "Write error: %s", strerror(errno));
 
@@ -1379,8 +1261,6 @@ exit_remote_client(struct Client *client_p, struct Client *source_p, struct Clie
 	{
 		sendto_server(client_p, NULL, CAP_TS6, NOCAPS,
 			      ":%s QUIT :%s", use_id(source_p), comment);
-		sendto_server(client_p, NULL, NOCAPS, CAP_TS6,
-			      ":%s QUIT :%s", source_p->name, comment);
 	}
 
 	SetDead(source_p);
@@ -1401,7 +1281,11 @@ exit_unknown_client(struct Client *client_p, struct Client *source_p, struct Cli
 		  const char *comment)
 {
 	delete_auth_queries(source_p);
-	del_unknown_ip(source_p);
+	if (source_p->localClient->dnsquery)
+	{
+		delete_resolver_queries(source_p->localClient->dnsquery);
+		rb_free(source_p->localClient->dnsquery);
+	}
 	rb_dlinkDelete(&source_p->localClient->tnode, &unknown_list);
 
 	if(!IsIOError(source_p))
@@ -1483,15 +1367,12 @@ static int
 qs_server(struct Client *client_p, struct Client *source_p, struct Client *from, 
 		  const char *comment)
 {
-	struct Client *target_p;
-
 	if(source_p->servptr && source_p->servptr->serv)
 		rb_dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers);
 	else
 		s_assert(0);
 
 	rb_dlinkFindDestroy(source_p, &global_serv_list);
-	target_p = source_p->from;
 	
 	if(has_id(source_p))
 		del_from_id_hash(source_p->id, source_p);
@@ -1583,6 +1464,7 @@ exit_local_client(struct Client *client_p, struct Client *source_p, struct Clien
 		  const char *comment)
 {
 	unsigned long on_for;
+	char tbuf[26];
 
 	exit_generic_client(client_p, source_p, from, comment);
 	clear_monitor(source_p);
@@ -1608,10 +1490,11 @@ exit_local_client(struct Client *client_p, struct Client *source_p, struct Clien
 
 	on_for = rb_current_time() - source_p->localClient->firsttime;
 
-	ilog(L_USER, "%s (%3lu:%02lu:%02lu): %s!%s@%s %d/%d",
-		myctime(rb_current_time()), on_for / 3600,
+	ilog(L_USER, "%s (%3lu:%02lu:%02lu): %s!%s@%s %s %d/%d",
+		rb_ctime(rb_current_time(), tbuf, sizeof(tbuf)), on_for / 3600,
 		(on_for % 3600) / 60, on_for % 60,
 		source_p->name, source_p->username, source_p->host,
+		source_p->sockhost,
 		source_p->localClient->sendK, source_p->localClient->receiveK);
 
 	sendto_one(source_p, "ERROR :Closing Link: %s (%s)", source_p->host, comment);
@@ -1621,8 +1504,6 @@ exit_local_client(struct Client *client_p, struct Client *source_p, struct Clien
 	{
 		sendto_server(client_p, NULL, CAP_TS6, NOCAPS,
 			      ":%s QUIT :%s", use_id(source_p), comment);
-		sendto_server(client_p, NULL, NOCAPS, CAP_TS6,
-			      ":%s QUIT :%s", source_p->name, comment);
 	}
 
 	SetDead(source_p);
@@ -1711,8 +1592,8 @@ exit_client(struct Client *client_p,	/* The local client originating the
 void
 count_local_client_memory(size_t * count, size_t * local_client_memory_used)
 {
-	size_t lusage;
-	rb_bh_usage(lclient_heap, count, NULL, &lusage, NULL);
+	size_t lusage;
+	rb_bh_usage(lclient_heap, count, NULL, &lusage, NULL);
 	*local_client_memory_used = lusage + (*count * (sizeof(void *) + sizeof(struct Client)));
 }
 
@@ -1722,10 +1603,10 @@ count_local_client_memory(size_t * count, size_t * local_client_memory_used)
 void
 count_remote_client_memory(size_t * count, size_t * remote_client_memory_used)
 {
-	size_t lcount, rcount;
-	rb_bh_usage(lclient_heap, &lcount, NULL, NULL, NULL);
-	rb_bh_usage(client_heap, &rcount, NULL, NULL, NULL);
-	*count = rcount - lcount;
+	size_t lcount, rcount;
+	rb_bh_usage(lclient_heap, &lcount, NULL, NULL, NULL);
+	rb_bh_usage(client_heap, &rcount, NULL, NULL, NULL);
+	*count = rcount - lcount;
 	*remote_client_memory_used = *count * (sizeof(void *) + sizeof(struct Client));
 }
 
@@ -1799,10 +1680,6 @@ show_ip(struct Client *source_p, struct Client *target_p)
 {
 	if(IsAnyServer(target_p))
 	{
-#ifndef HIDE_SERVERS_IPS
-		if(source_p == NULL || IsOper(source_p))
-			return 1;
-#endif
 		return 0;
 	}
 	else if(IsIPSpoof(target_p))
@@ -1835,24 +1712,6 @@ show_ip_conf(struct ConfItem *aconf, struct Client *source_p)
 		return 1;
 }
 
-/*
- * initUser
- *
- * inputs	- none
- * outputs	- none
- *
- * side effects - Creates a block heap for struct Users
- *
- */
-static rb_bh *user_heap;
-void
-initUser(void)
-{
-	user_heap = rb_bh_create(sizeof(struct User), USER_HEAP_SIZE, "user_heap");
-	if(!user_heap)
-		rb_outofmemory();
-}
-
 /*
  * make_user
  *
@@ -1952,7 +1811,7 @@ allocate_away(struct Client *client_p)
 void
 free_away(struct Client *client_p)
 {
-	if(client_p->user->away != NULL) {
+	if(client_p->user != NULL && client_p->user->away != NULL) {
 		rb_bh_free(away_heap, client_p->user->away);
 		client_p->user->away = NULL;
 	}
@@ -2026,22 +1885,10 @@ close_connection(struct Client *client_p)
 	{
 		struct server_conf *server_p;
 
-		ServerStats->is_sv++;
-		ServerStats->is_sbs += client_p->localClient->sendB;
-		ServerStats->is_sbr += client_p->localClient->receiveB;
-		ServerStats->is_sks += client_p->localClient->sendK;
-		ServerStats->is_skr += client_p->localClient->receiveK;
-		ServerStats->is_sti += rb_current_time() - client_p->localClient->firsttime;
-		if(ServerStats->is_sbs > 2047)
-		{
-			ServerStats->is_sks += (ServerStats->is_sbs >> 10);
-			ServerStats->is_sbs &= 0x3ff;
-		}
-		if(ServerStats->is_sbr > 2047)
-		{
-			ServerStats->is_skr += (ServerStats->is_sbr >> 10);
-			ServerStats->is_sbr &= 0x3ff;
-		}
+		ServerStats.is_sv++;
+		ServerStats.is_sbs += client_p->localClient->sendB;
+		ServerStats.is_sbr += client_p->localClient->receiveB;
+		ServerStats.is_sti += (unsigned long long)(rb_current_time() - client_p->localClient->firsttime);
 
 		/*
 		 * If the connection has been up for a long amount of time, schedule
@@ -2064,42 +1911,25 @@ close_connection(struct Client *client_p)
 	}
 	else if(IsClient(client_p))
 	{
-		ServerStats->is_cl++;
-		ServerStats->is_cbs += client_p->localClient->sendB;
-		ServerStats->is_cbr += client_p->localClient->receiveB;
-		ServerStats->is_cks += client_p->localClient->sendK;
-		ServerStats->is_ckr += client_p->localClient->receiveK;
-		ServerStats->is_cti += rb_current_time() - client_p->localClient->firsttime;
-		if(ServerStats->is_cbs > 2047)
-		{
-			ServerStats->is_cks += (ServerStats->is_cbs >> 10);
-			ServerStats->is_cbs &= 0x3ff;
-		}
-		if(ServerStats->is_cbr > 2047)
-		{
-			ServerStats->is_ckr += (ServerStats->is_cbr >> 10);
-			ServerStats->is_cbr &= 0x3ff;
-		}
+		ServerStats.is_cl++;
+		ServerStats.is_cbs += client_p->localClient->sendB;
+		ServerStats.is_cbr += client_p->localClient->receiveB;
+		ServerStats.is_cti += (unsigned long long)(rb_current_time() - client_p->localClient->firsttime);
 	}
 	else
-		ServerStats->is_ni++;
+		ServerStats.is_ni++;
 
-	if(client_p->localClient->F)
+	if(client_p->localClient->F != NULL)
 	{
 		/* attempt to flush any pending dbufs. Evil, but .. -- adrian */
 		if(!IsIOError(client_p))
 			send_queued(client_p);
 
+		del_from_cli_fd_hash(client_p);
 		rb_close(client_p->localClient->F);
 		client_p->localClient->F = NULL;
 	}
 
-	if(-1 < client_p->localClient->ctrlfd)
-	{
-		rb_close(client_p->localClient->ctrlfd);
-		client_p->localClient->ctrlfd = -1;
-	}
-
 	rb_linebuf_donebuf(&client_p->localClient->buf_sendq);
 	rb_linebuf_donebuf(&client_p->localClient->buf_recvq);
 	detach_conf(client_p);
@@ -2137,7 +1967,7 @@ error_exit_client(struct Client *client_p, int error)
 		{
 			sendto_realops_snomask(SNO_GENERAL, is_remote_connect(client_p) && !IsServer(client_p) ? L_NETWIDE : L_ALL,
 					     "Server %s closed the connection",
-					     get_server_name(client_p, SHOW_IP));
+					     client_p->name);
 
 			ilog(L_SERVER, "Server %s closed the connection",
 			     log_client_name(client_p, SHOW_IP));
@@ -2153,7 +1983,7 @@ error_exit_client(struct Client *client_p, int error)
 	}
 
 	if(error == 0)
-		strlcpy(errmsg, "Remote host closed the connection", sizeof(errmsg));
+		rb_strlcpy(errmsg, "Remote host closed the connection", sizeof(errmsg));
 	else
 		rb_snprintf(errmsg, sizeof(errmsg), "Read error: %s", strerror(current_error));