]> jfr.im git - solanum.git/blobdiff - src/client.c
Merge pull request #53 from ShadowNinja/clarify_U+R
[solanum.git] / src / client.c
index ecc87224787198a3b05fb05746d2d4f28aff269a..4edfe35bea83ea300cb3e88d6a551853cbc8c7a4 100644 (file)
 #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 +54,8 @@
 #include "reject.h"
 #include "scache.h"
 #include "irc_dictionary.h"
+#include "sslproc.h"
+#include "s_assert.h"
 
 #define DEBUG_EXITED_CLIENTS
 
@@ -73,20 +73,19 @@ 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 +117,16 @@ 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");\r
+       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 +154,15 @@ 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);
@@ -173,7 +173,7 @@ make_client(struct Client *from)
                client_p->preClient = NULL;
                client_p->from = from;  /* 'from' of local client is self! */
        }
-       
+
        SetUnknown(client_p);
        strcpy(client_p->username, "unknown");
 
@@ -193,7 +193,8 @@ free_pre_client(struct Client *client_p)
        blptr = client_p->preClient->dnsbl_listed;
        if (blptr != NULL)
                unref_blacklist(blptr);
-       abort_blacklist_queries(client_p);
+       s_assert(rb_dlink_list_length(&client_p->preClient->dnsbl_queries) == 0);
+
        rb_bh_free(pclient_heap, client_p->preClient);
        client_p->preClient = NULL;
 }
@@ -219,8 +220,11 @@ 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)
        {
@@ -229,10 +233,19 @@ free_local_client(struct Client *client_p)
                rb_free(client_p->localClient->passwd);
        }
 
+       rb_free(client_p->localClient->auth_user);
        rb_free(client_p->localClient->challenge);
        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;
@@ -245,6 +258,7 @@ free_client(struct Client *client_p)
        s_assert(&me != client_p);
        free_local_client(client_p);
        free_pre_client(client_p);
+       rb_free(client_p->certfp);
        rb_bh_free(client_heap, client_p);
 }
 
@@ -254,7 +268,7 @@ free_client(struct Client *client_p)
  *
  * inputs       - NOT USED (from event)
  * output       - next time_t when check_pings() should be called again
- * side effects - 
+ * side effects -
  *
  *
  * A PING can be sent to clients as necessary.
@@ -287,7 +301,7 @@ check_pings(void *notused)
  *
  * inputs      - pointer to list to check
  * output      - NONE
- * side effects        - 
+ * side effects        -
  */
 static void
 check_pings_list(rb_dlink_list * list)
@@ -319,7 +333,7 @@ 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 +384,11 @@ 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 +401,7 @@ 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));
@@ -398,29 +417,17 @@ 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;
 
-       if(ConfigFileEntry.kline_with_reason && !EmptyString(aconf->passwd))
+       if(ConfigFileEntry.kline_with_reason)
        {
-               reason = aconf->passwd;
-               exit_reason = aconf->passwd;
+               reason = get_user_ban_reason(aconf);
+               exit_reason = reason;
        }
        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))
@@ -428,8 +435,8 @@ notify_banned_client(struct Client *client_p, struct ConfItem *aconf, int ban)
        else
                sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
                           me.name, client_p->name, reason);
-       
-       exit_client(client_p, client_p, &me, 
+
+       exit_client(client_p, client_p, &me,
                        EmptyString(ConfigFileEntry.kline_reason) ? exit_reason :
                         ConfigFileEntry.kline_reason);
 }
@@ -438,117 +445,15 @@ 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
 check_banned_lines(void)
 {
-       struct Client *client_p;        /* current local client_p being examined */
-       struct ConfItem *aconf = NULL;
-       rb_dlink_node *ptr, *next_ptr;
-
-       RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
-       {
-               client_p = ptr->data;
-
-               if(IsMe(client_p))
-                       continue;
-
-               /* if there is a returned struct ConfItem then kill it */
-               if((aconf = find_dline((struct sockaddr *)&client_p->localClient->ip, client_p->localClient->ip.ss_family)))
-               {
-                       if(aconf->status & CONF_EXEMPTDLINE)
-                               continue;
-
-                       sendto_realops_snomask(SNO_GENERAL, L_ALL,
-                                            "DLINE active for %s",
-                                            get_client_name(client_p, HIDE_IP));
-
-                       notify_banned_client(client_p, aconf, D_LINED);
-                       continue;       /* and go examine next fd/client_p */
-               }
-
-               if(!IsPerson(client_p))
-                       continue;
-
-               if((aconf = find_kline(client_p)) != NULL)
-               {
-                       if(IsExemptKline(client_p))
-                       {
-                               sendto_realops_snomask(SNO_GENERAL, L_ALL,
-                                               "KLINE over-ruled for %s, client is kline_exempt [%s@%s]",
-                                               get_client_name(client_p, HIDE_IP),
-                                               aconf->user, aconf->host);
-                               continue;
-                       }
-
-                       sendto_realops_snomask(SNO_GENERAL, L_ALL,
-                                       "KLINE active for %s",
-                                       get_client_name(client_p, HIDE_IP));
-                       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))
-                       {
-                               sendto_realops_snomask(SNO_GENERAL, L_ALL,
-                                               "XLINE over-ruled for %s, client is kline_exempt [%s]",
-                                               get_client_name(client_p, HIDE_IP),
-                                               aconf->name);
-                               continue;
-                       }
-
-                       sendto_realops_snomask(SNO_GENERAL, L_ALL, "XLINE active for %s",
-                                       get_client_name(client_p, HIDE_IP));
-
-                       (void) exit_client(client_p, client_p, &me, "Bad user info");
-                       continue;
-               }
-       }
-
-       /* also check the unknowns list for new dlines */
-       RB_DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
-       {
-               client_p = ptr->data;
-
-               if((aconf = find_dline((struct sockaddr *)&client_p->localClient->ip,client_p->localClient->ip.ss_family)))
-               {
-                       if(aconf->status & CONF_EXEMPTDLINE)
-                               continue;
-
-                       notify_banned_client(client_p, aconf, D_LINED);
-               }
-       }
-
+       check_dlines();
+       check_klines();
+       check_xlines();
 }
 
 /* check_klines_event()
@@ -590,8 +495,9 @@ check_klines(void)
                        if(IsExemptKline(client_p))
                        {
                                sendto_realops_snomask(SNO_GENERAL, L_ALL,
-                                                    "KLINE over-ruled for %s, client is kline_exempt",
-                                                    get_client_name(client_p, HIDE_IP));
+                                                    "KLINE over-ruled for %s, client is kline_exempt [%s@%s]",
+                                                    get_client_name(client_p, HIDE_IP),
+                                                    aconf->user, aconf->host);
                                continue;
                        }
 
@@ -605,55 +511,6 @@ 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       -
@@ -730,8 +587,9 @@ check_xlines(void)
                        if(IsExemptKline(client_p))
                        {
                                sendto_realops_snomask(SNO_GENERAL, L_ALL,
-                                                    "XLINE over-ruled for %s, client is kline_exempt",
-                                                    get_client_name(client_p, HIDE_IP));
+                                                    "XLINE over-ruled for %s, client is kline_exempt [%s]",
+                                                    get_client_name(client_p, HIDE_IP),
+                                                    aconf->host);
                                continue;
                        }
 
@@ -744,12 +602,100 @@ check_xlines(void)
        }
 }
 
+/* resv_nick_fnc
+ *
+ * inputs              - resv, reason, time
+ * outputs             - NONE
+ * side effects        - all local clients matching resv will be FNC'd
+ */
+void
+resv_nick_fnc(const char *mask, const char *reason, int temp_time)
+{
+       struct Client *client_p, *target_p;
+       rb_dlink_node *ptr;
+       rb_dlink_node *next_ptr;
+       char *nick;
+       char note[NICKLEN+10];
+
+       if (!ConfigFileEntry.resv_fnc)
+               return;
+
+       RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
+       {
+               client_p = ptr->data;
+
+               if(IsMe(client_p) || !IsPerson(client_p) || IsExemptResv(client_p))
+                       continue;
+
+               /* Skip users that already have UID nicks. */
+               if(IsDigit(client_p->name[0]))
+                       continue;
+
+               if(match_esc(mask, client_p->name))
+               {
+                       nick = client_p->id;
+
+                       /* Tell opers. */
+                       sendto_realops_snomask(SNO_GENERAL, L_ALL,
+                               "RESV forced nick change for %s!%s@%s to %s; nick matched [%s] (%s)",
+                               client_p->name, client_p->username, client_p->host, nick, mask, reason);
+
+                       sendto_realops_snomask(SNO_NCHANGE, L_ALL,
+                               "Nick change: From %s to %s [%s@%s]",
+                               client_p->name, nick, client_p->username, client_p->host);
+
+                       /* Tell the user. */
+                       if (temp_time > 0)
+                       {
+                               sendto_one_notice(client_p,
+                                       ":*** Nick %s is temporarily unavailable on this server.",
+                                       client_p->name);
+                       }
+                       else
+                       {
+                               sendto_one_notice(client_p,
+                                       ":*** Nick %s is no longer available on this server.",
+                                       client_p->name);
+                       }
+
+                       /* Do all of the nick-changing gymnastics. */
+                       client_p->tsinfo = rb_current_time();
+                       add_history(client_p, 1);
+
+                       monitor_signoff(client_p);
+
+                       invalidate_bancache_user(client_p);
+
+                       sendto_common_channels_local(client_p, NOCAPS, ":%s!%s@%s NICK :%s",
+                               client_p->name, client_p->username, client_p->host, nick);
+                       sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s NICK %s :%ld",
+                               use_id(client_p), nick, (long) client_p->tsinfo);
+
+                       del_from_client_hash(client_p->name, client_p);
+                       rb_strlcpy(client_p->name, nick, sizeof(client_p->name));
+                       add_to_client_hash(nick, client_p);
+
+                       monitor_signon(client_p);
+
+                       RB_DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
+                       {
+                               target_p = ptr->data;
+                               rb_dlinkFindDestroy(client_p, &target_p->localClient->allow_list);
+                               rb_dlinkDestroy(ptr, &client_p->on_allow_list);
+                       }
+
+                       rb_snprintf(note, sizeof(note), "Nick: %s", nick);
+                       rb_note(client_p->localClient->F, note);
+               }
+       }
+}
+
 /*
  * update_client_exit_stats
  *
  * input       - pointer to client
  * output      - NONE
- * side effects        - 
+ * side effects        -
  */
 static void
 update_client_exit_stats(struct Client *client_p)
@@ -780,7 +726,7 @@ update_client_exit_stats(struct Client *client_p)
  *
  * input       - pointer to client to release
  * output      - NONE
- * side effects        - 
+ * side effects        -
  */
 static void
 release_client_state(struct Client *client_p)
@@ -861,8 +807,8 @@ find_named_person(const char *name)
 
 
 /*
- * find_chasing - find the client structure for a nick name (user) 
- *      using history mechanism if necessary. If the client is not found, 
+ * find_chasing - find the client structure for a nick name (user)
+ *      using history mechanism if necessary. If the client is not found,
  *      an error message (NO SUCH NICK) is generated. If the client was found
  *      through the history, chasing will be 1 and otherwise 0.
  */
@@ -926,20 +872,18 @@ get_client_name(struct Client *client, int showip)
                if(!irccmp(client->name, client->host))
                        return client->name;
 
-               if(ConfigFileEntry.hide_spoof_ips && 
+               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)
                {
                case SHOW_IP:
-                       rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]", 
-                                  client->name, client->username, 
+                       rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
+                                  client->name, client->username,
                                   client->sockhost);
                        break;
                case MASK_IP:
@@ -953,55 +897,12 @@ get_client_name(struct Client *client, int showip)
                return nbuf;
        }
 
-       /* As pointed out by Adel Mezibra 
+       /* As pointed out by Adel Mezibra
         * Neph|l|m@EFnet. Was missing a return here.
         */
        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()
  *
  * This version is the same as get_client_name, but doesnt contain the
@@ -1027,10 +928,6 @@ log_client_name(struct Client *target_p, int showip)
                                   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);
@@ -1077,7 +974,7 @@ free_exited_clients(void *unused)
                                if(abt->client == target_p)
                                {
                                        s_assert(0);
-                                       sendto_realops_snomask(SNO_GENERAL, L_ALL, 
+                                       sendto_realops_snomask(SNO_GENERAL, L_ALL,
                                                "On abort_list: %s stat: %u flags: %u/%u handler: %c",
                                                target_p->name, (unsigned int) target_p->status,
                                                target_p->flags, target_p->flags2, target_p->handler);
@@ -1124,53 +1021,13 @@ free_exited_clients(void *unused)
                rb_dlinkDestroy(ptr, &dead_remote_list);
        }
 #endif
-       
-}
-
-/*
-** Recursively send QUITs and SQUITs for source_p and all its dependent clients
-** and servers to those servers that need them.  A server needs the client
-** QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
-** isn't getting the SQUIT because of @#(*&@)# hostmasking.  With TS4, once
-** a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
-** on that one -orabidoo
-*/
-static void
-recurse_send_quits(struct Client *client_p, struct Client *source_p, 
-                  struct Client *to, const char *comment1,
-                  const char *comment)
-{
-       struct Client *target_p;
-       rb_dlink_node *ptr, *ptr_next;
-       /* If this server can handle quit storm (QS) removal
-        * of dependents, just send the SQUIT
-        */
 
-       if(IsCapable(to, CAP_QS))
-       {
-               sendto_one(to, "SQUIT %s :%s",
-                          get_id(source_p, to), comment);
-       }
-       else
-       {
-               RB_DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->users.head)
-               {
-                       target_p = ptr->data;
-                       sendto_one(to, ":%s QUIT :%s", target_p->name, comment1);
-               }
-               RB_DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->servers.head)
-               {
-                       target_p = ptr->data;
-                       recurse_send_quits(client_p, target_p, to, comment1, comment);
-               }
-               sendto_one(to, "SQUIT %s :%s", source_p->name, comment);
-       }
 }
 
-/* 
+/*
 ** Remove all clients that depend on source_p; assumes all (S)QUITs have
-** already been sent.  we make sure to exit a server's dependent clients 
-** and servers before the server itself; exit_one_client takes care of 
+** already been sent.  we make sure to exit a server's dependent clients
+** and servers before the server itself; exit_one_client takes care of
 ** actually removing things off llists.   tweaked from +CSr31  -orabidoo
 */
 /*
@@ -1211,7 +1068,7 @@ recurse_remove_clients(struct Client *source_p, const char *comment)
                        if(!IsDead(target_p) && !IsClosing(target_p))
                                exit_remote_client(NULL, target_p, &me, comment);
                }
-       }       
+       }
 
        RB_DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->servers.head)
        {
@@ -1223,7 +1080,7 @@ recurse_remove_clients(struct Client *source_p, const char *comment)
 
 /*
 ** Remove *everything* that depends on source_p, from all lists, and sending
-** all necessary QUITs and SQUITs.  source_p itself is still on the lists,
+** all necessary SQUITs.  source_p itself is still on the lists,
 ** and its SQUITs have been sent except for the upstream one  -orabidoo
 */
 static void
@@ -1238,11 +1095,10 @@ remove_dependents(struct Client *client_p,
        {
                to = ptr->data;
 
-               if(IsMe(to) || to == source_p->from || 
-                  (to == client_p && IsCapable(to, CAP_QS)))
+               if(IsMe(to) || to == source_p->from || to == client_p)
                        continue;
 
-               recurse_send_quits(client_p, source_p, to, comment1, comment);
+               sendto_one(to, "SQUIT %s :%s", get_id(source_p, to), comment);
        }
 
        recurse_remove_clients(source_p, comment1);
@@ -1262,7 +1118,7 @@ exit_aborted_clients(void *unused)
                        if(rb_dlinkFind(abt->client, &dead_list))
                        {
                                s_assert(0);
-                               sendto_realops_snomask(SNO_GENERAL, L_ALL, 
+                               sendto_realops_snomask(SNO_GENERAL, L_ALL,
                                        "On dead_list: %s stat: %u flags: %u/%u handler: %c",
                                        abt->client->name, (unsigned int) abt->client->status,
                                        abt->client->flags, abt->client->flags2, abt->client->handler);
@@ -1279,7 +1135,7 @@ 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
@@ -1296,7 +1152,7 @@ exit_aborted_clients(void *unused)
  *
  */
 void
-dead_link(struct Client *client_p)
+dead_link(struct Client *client_p, int sendqex)
 {
        struct abort_client *abt;
 
@@ -1306,8 +1162,8 @@ 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));
+       if(sendqex)
+               rb_strlcpy(abt->notice, "Max SendQ exceeded", sizeof(abt->notice));
        else
                rb_snprintf(abt->notice, sizeof(abt->notice), "Write error: %s", strerror(errno));
 
@@ -1329,7 +1185,7 @@ exit_generic_client(struct Client *client_p, struct Client *source_p, struct Cli
        if(IsOper(source_p))
                rb_dlinkFindDestroy(source_p, &oper_list);
 
-       sendto_common_channels_local(source_p, ":%s!%s@%s QUIT :%s",
+       sendto_common_channels_local(source_p, NOCAPS, ":%s!%s@%s QUIT :%s",
                                     source_p->name,
                                     source_p->username, source_p->host, comment);
 
@@ -1360,7 +1216,7 @@ exit_generic_client(struct Client *client_p, struct Client *source_p, struct Cli
        remove_client_from_list(source_p);
 }
 
-/* 
+/*
  * Assumes IsPerson(source_p) && !MyConnect(source_p)
  */
 
@@ -1369,7 +1225,7 @@ exit_remote_client(struct Client *client_p, struct Client *source_p, struct Clie
                   const char *comment)
 {
        exit_generic_client(client_p, source_p, from, comment);
-       
+
        if(source_p->servptr && source_p->servptr->serv)
        {
                rb_dlinkDelete(&source_p->lnode, &source_p->servptr->serv->users);
@@ -1379,8 +1235,6 @@ 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 +1255,12 @@ 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);
+       abort_blacklist_queries(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))
@@ -1425,13 +1284,13 @@ exit_unknown_client(struct Client *client_p, struct Client *source_p, struct Cli
 }
 
 static int
-exit_remote_server(struct Client *client_p, struct Client *source_p, struct Client *from, 
+exit_remote_server(struct Client *client_p, struct Client *source_p, struct Client *from,
                  const char *comment)
 {
        static char comment1[(HOSTLEN*2)+2];
        static char newcomment[BUFSIZE];
        struct Client *target_p;
-       
+
        if(ConfigServerHide.flatten_links)
                strcpy(comment1, "*.net *.split");
        else
@@ -1454,11 +1313,11 @@ exit_remote_server(struct Client *client_p, struct Client *source_p, struct Clie
 
        rb_dlinkFindDestroy(source_p, &global_serv_list);
        target_p = source_p->from;
-       
+
        if(target_p != NULL && IsServer(target_p) && target_p != client_p &&
           !IsMe(target_p) && (source_p->flags & FLAGS_KILLED) == 0)
        {
-               sendto_one(target_p, ":%s SQUIT %s :%s", 
+               sendto_one(target_p, ":%s SQUIT %s :%s",
                           get_id(from, target_p), get_id(source_p, target_p),
                           comment);
        }
@@ -1467,9 +1326,9 @@ exit_remote_server(struct Client *client_p, struct Client *source_p, struct Clie
                del_from_id_hash(source_p->id, source_p);
 
        del_from_client_hash(source_p->name, source_p);
-       remove_client_from_list(source_p);  
+       remove_client_from_list(source_p);
        scache_split(source_p->serv->nameinfo);
-       
+
        SetDead(source_p);
 #ifdef DEBUG_EXITED_CLIENTS
        rb_dlinkAddAlloc(source_p, &dead_remote_list);
@@ -1480,43 +1339,39 @@ exit_remote_server(struct Client *client_p, struct Client *source_p, struct Clie
 }
 
 static int
-qs_server(struct Client *client_p, struct Client *source_p, struct Client *from, 
+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);
 
        del_from_client_hash(source_p->name, source_p);
-       remove_client_from_list(source_p);  
+       remove_client_from_list(source_p);
        scache_split(source_p->serv->nameinfo);
-       
+
        SetDead(source_p);
-       rb_dlinkAddAlloc(source_p, &dead_list); 
+       rb_dlinkAddAlloc(source_p, &dead_list);
        return 0;
 }
 
 static int
-exit_local_server(struct Client *client_p, struct Client *source_p, struct Client *from, 
+exit_local_server(struct Client *client_p, struct Client *source_p, struct Client *from,
                  const char *comment)
 {
        static char comment1[(HOSTLEN*2)+2];
        static char newcomment[BUFSIZE];
        unsigned int sendk, recvk;
-       
+
        rb_dlinkDelete(&source_p->localClient->tnode, &serv_list);
        rb_dlinkFindDestroy(source_p, &global_serv_list);
-       
-       unset_chcap_usage_counts(source_p);
+
        sendk = source_p->localClient->sendK;
        recvk = source_p->localClient->receiveK;
 
@@ -1533,7 +1388,7 @@ exit_local_server(struct Client *client_p, struct Client *source_p, struct Clien
                sendto_one(source_p, "ERROR :Closing Link: 127.0.0.1 %s (%s)",
                           source_p->name, comment);
        }
-       
+
        if(source_p->servptr && source_p->servptr->serv)
                rb_dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers);
        else
@@ -1541,7 +1396,7 @@ exit_local_server(struct Client *client_p, struct Client *source_p, struct Clien
 
 
        close_connection(source_p);
-       
+
        if(ConfigServerHide.flatten_links)
                strcpy(comment1, "*.net *.split");
        else
@@ -1560,21 +1415,21 @@ exit_local_server(struct Client *client_p, struct Client *source_p, struct Clien
 
        ilog(L_SERVER, "%s was connected for %ld seconds.  %d/%d sendK/recvK.",
             source_p->name, (long) rb_current_time() - source_p->localClient->firsttime, sendk, recvk);
-        
+
        if(has_id(source_p))
                del_from_id_hash(source_p->id, source_p);
 
        del_from_client_hash(source_p->name, source_p);
        remove_client_from_list(source_p);
        scache_split(source_p->serv->nameinfo);
-       
+
        SetDead(source_p);
        rb_dlinkAddAlloc(source_p, &dead_list);
        return 0;
 }
 
 
-/* 
+/*
  * This assumes IsPerson(source_p) == TRUE && MyConnect(source_p) == TRUE
  */
 
@@ -1583,6 +1438,7 @@ 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 +1464,11 @@ 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 +1478,6 @@ 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);
@@ -1690,8 +1545,8 @@ exit_client(struct Client *client_p,      /* The local client originating the
                /* IsUnknown || IsConnecting || IsHandShake */
                else if(!IsReject(source_p))
                        return exit_unknown_client(client_p, source_p, from, comment);
-       } 
-       else 
+       }
+       else
        {
                /* Remotes */
                if(IsPerson(source_p))
@@ -1711,8 +1566,8 @@ 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;\r
-       rb_bh_usage(lclient_heap, count, NULL, &lusage, NULL);\r
+       size_t lusage;
+       rb_bh_usage(lclient_heap, count, NULL, &lusage, NULL);
        *local_client_memory_used = lusage + (*count * (sizeof(void *) + sizeof(struct Client)));
 }
 
@@ -1722,19 +1577,19 @@ 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;\r
-       rb_bh_usage(lclient_heap, &lcount, NULL, NULL, NULL);\r
-       rb_bh_usage(client_heap, &rcount, NULL, NULL, NULL);\r
-       *count = rcount - lcount;\r
+       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));
 }
 
 
 /*
  * accept processing, this adds a form of "caller ID" to ircd
- * 
+ *
  * If a client puts themselves into "caller ID only" mode,
- * only clients that match a client pointer they have put on 
+ * only clients that match a client pointer they have put on
  * the accept list will be allowed to message them.
  *
  * [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
@@ -1745,7 +1600,7 @@ count_remote_client_memory(size_t * count, size_t * remote_client_memory_used)
  * each source client then has a back pointer pointing back
  * to the client that has it on its accept list.
  * This allows for exit_one_client to remove these now bogus entries
- * from any client having an accept on them. 
+ * from any client having an accept on them.
  */
 /*
  * del_all_accepts
@@ -1785,12 +1640,12 @@ del_all_accepts(struct Client *client_p)
 }
 
 /*
- * show_ip() - asks if the true IP shoudl be shown when source is
- *             askin for info about target 
+ * show_ip() - asks if the true IP should be shown when source is
+ *             asking for info about target
  *
  * Inputs      - source_p who is asking
  *             - target_p who do we want the info on
- * Output      - returns 1 if clear IP can be showed, otherwise 0
+ * Output      - returns 1 if clear IP can be shown, otherwise 0
  * Side Effects        - none
  */
 
@@ -1799,10 +1654,6 @@ 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))
@@ -1835,22 +1686,16 @@ 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)
+int
+show_ip_whowas(struct Whowas *whowas, struct Client *source_p)
 {
-       user_heap = rb_bh_create(sizeof(struct User), USER_HEAP_SIZE, "user_heap");
-       if(!user_heap)
-               rb_outofmemory();
+       if(whowas->flags & WHOWAS_IP_SPOOFING)
+               if(ConfigFileEntry.hide_spoof_ips || !MyOper(source_p))
+                       return 0;
+       if(whowas->flags & WHOWAS_DYNSPOOF)
+               if(!IsOper(source_p))
+                       return 0;
+       return 1;
 }
 
 /*
@@ -1884,14 +1729,14 @@ make_user(struct Client *client_p)
  * side effects - add's an Server information block to a client
  *                if it was not previously allocated.
  */
-server_t *
+struct Server *
 make_server(struct Client *client_p)
 {
-       server_t *serv = client_p->serv;
+       struct Server *serv = client_p->serv;
 
        if(!serv)
        {
-               serv = (server_t *) rb_malloc(sizeof(server_t));
+               serv = (struct Server *) rb_malloc(sizeof(struct Server));
                client_p->serv = serv;
        }
        return client_p->serv;
@@ -1899,7 +1744,7 @@ make_server(struct Client *client_p)
 
 /*
  * free_user
- * 
+ *
  * inputs      - pointer to user struct
  *             - pointer to client struct
  * output      - none
@@ -1929,7 +1774,7 @@ free_user(struct User *user, struct Client *client_p)
                                             client_p->host,
                                             (unsigned long) user,
                                             (unsigned long) user->invited.head,
-                                            (unsigned long) user->channel.head, 
+                                            (unsigned long) user->channel.head,
                                             rb_dlink_list_length(&user->channel),
                                             user->refcnt);
                        s_assert(!user->refcnt);
@@ -1945,14 +1790,14 @@ void
 allocate_away(struct Client *client_p)
 {
        if(client_p->user->away == NULL)
-               client_p->user->away = rb_bh_alloc(away_heap);  
+               client_p->user->away = rb_bh_alloc(away_heap);
 }
 
 
 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;
        }
@@ -2021,27 +1866,15 @@ close_connection(struct Client *client_p)
        s_assert(MyConnect(client_p));
        if(!MyConnect(client_p))
                return;
-       
+
        if(IsServer(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 +1897,25 @@ 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 +1953,7 @@ 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 +1969,7 @@ 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));