/** * The /ns logout command. * @param u The user who issued the command * @param MOD_CONT to continue processing other modules, MOD_STOP to stop processing. **/ int do_logout(User * u) { char *nick = strtok(NULL, " "); char *param = strtok(NULL, " "); User *u2; if (!is_services_admin(u) && nick) { syntax_error(s_NickServ, u, "LOGOUT", NICK_LOGOUT_SYNTAX); } else if (!(u2 = (nick ? finduser(nick) : u))) { notice_lang(s_NickServ, u, NICK_X_NOT_IN_USE, nick); } else if (!u2->na) { if (nick) notice_lang(s_NickServ, u, NICK_X_NOT_REGISTERED, nick); else notice_lang(s_NickServ, u, NICK_NOT_REGISTERED); } else if (u2->na->status & NS_VERBOTEN) { notice_lang(s_NickServ, u, NICK_X_FORBIDDEN, u2->na->nick); } else if (!nick && !nick_identified(u)) { notice_lang(s_NickServ, u, NICK_IDENTIFY_REQUIRED, s_NickServ); } else if (nick && is_services_admin(u2)) { notice_lang(s_NickServ, u, NICK_LOGOUT_SERVICESADMIN, nick); } else { if (nick && param && !stricmp(param, "REVALIDATE")) { cancel_user(u2); validate_user(u2); } else { u2->na->status &= ~(NS_IDENTIFIED | NS_RECOGNIZED); } if (ircd->modeonreg) { common_svsmode(u2, ircd->modeonunreg, "1"); } u->isSuperAdmin = 0; /* Dont let people logout and remain a SuperAdmin */ alog("%s: %s!%s@%s logged out nickname %s", s_NickServ, u->nick, u->username, u->host, u2->nick); if (nick) notice_lang(s_NickServ, u, NICK_LOGOUT_X_SUCCEEDED, nick); else notice_lang(s_NickServ, u, NICK_LOGOUT_SUCCEEDED); /* Stop nick tracking if enabled */ if (NSNickTracking) /* Shouldn't this be u2? -GD */ nsStopNickTracking(u); /* Clear any timers again */ if (u->na->nc->flags & NI_KILLPROTECT) { del_ns_timeout(u->na, TO_COLLIDE); } /* Send out an event */ send_event(EVENT_NICK_LOGOUT, 1, u2->nick); } return MOD_CONT; }
/** * Adds a new user to anopes internal userlist. * * If the SVID passed is 2, the user will not be marked registered or requested to ID. * This is an addition to accomodate IRCds where we cannot determine this based on the NICK * or UID command. Some IRCd's keep +r on when changing nicks and do not use SVID (ex. InspIRCd 1.2). * Instead we get a METADATA command containing the accountname the user was last identified to. * Since this is received after the user is introduced to us we should not yet mark the user * as identified or ask him to identify. We will mark him as recognized for the time being and let * him keep his +r if he has it. * It is the responsibility of the protocol module to make sure that this is either invalidated, * or changed to identified. ~ Viper **/ User *do_nick(const char *source, char *nick, char *username, char *host, char *server, char *realname, time_t ts, uint32 svid, uint32 ip, char *vhost, char *uid) { User *user = NULL; char *tmp = NULL; NickAlias *old_na; /* Old nick rec */ int nc_changed = 1; /* Did nick core change? */ int status = 0; /* Status to apply */ char mask[USERMAX + HOSTMAX + 2]; char *logrealname; char *oldnick; if (!*source) { char ipbuf[16]; struct in_addr addr; if (ircd->nickvhost) { if (vhost) { if (!strcmp(vhost, "*")) { vhost = NULL; if (debug) alog("debug: new user�with no vhost in NICK command: %s", nick); } } } /* This is a new user; create a User structure for it. */ if (debug) alog("debug: new user: %s", nick); if (ircd->nickip) { addr.s_addr = htonl(ip); ntoa(addr, ipbuf, sizeof(ipbuf)); } if (LogUsers) { /** * Ugly swap routine for Flop's bug :) **/ if (realname) { tmp = strchr(realname, '%'); while (tmp) { *tmp = '-'; tmp = strchr(realname, '%'); } } logrealname = normalizeBuffer(realname); /** * End of ugly swap **/ if (ircd->nickvhost) { if (ircd->nickip) { alog("LOGUSERS: %s (%s@%s => %s) (%s) [%s] connected to the network (%s).", nick, username, host, (vhost ? vhost : "none"), logrealname, ipbuf, server); } else { alog("LOGUSERS: %s (%s@%s => %s) (%s) connected to the network (%s).", nick, username, host, (vhost ? vhost : "none"), logrealname, server); } } else { if (ircd->nickip) { alog("LOGUSERS: %s (%s@%s) (%s) [%s] connected to the network (%s).", nick, username, host, logrealname, ipbuf, server); } else { alog("LOGUSERS: %s (%s@%s) (%s) connected to the network (%s).", nick, username, host, logrealname, server); } } Anope_Free(logrealname); } /* We used to ignore the ~ which a lot of ircd's use to indicate no * identd response. That caused channel bans to break, so now we * just take what the server gives us. People are still encouraged * to read the RFCs and stop doing anything to usernames depending * on the result of an identd lookup. */ /* First check for AKILLs. */ /* DONT just return null if its an akill match anymore - yes its more efficent to, however, now that ircd's are * starting to use things like E/F lines, we cant be 100% sure the client will be removed from the network :/ * as such, create a user_struct, and if the client is removed, we'll delete it again when the QUIT notice * comes in from the ircd. **/ if (check_akill(nick, username, host, vhost, ipbuf)) { /* return NULL; */ } /** * DefCon AKILL system, if we want to akill all connecting user's here's where to do it * then force check_akill again on them... **/ /* don't akill on netmerges -Certus */ /* don't akill clients introduced by ulines. -Viper */ if (is_sync(findserver(servlist, server)) && checkDefCon(DEFCON_AKILL_NEW_CLIENTS) && !is_ulined(server)) { strncpy(mask, "*@", 3); strncat(mask, host, HOSTMAX); alog("DEFCON: adding akill for %s", mask); add_akill(NULL, mask, s_OperServ, time(NULL) + dotime(DefConAKILL), DefConAkillReason ? DefConAkillReason : "DEFCON AKILL"); if (check_akill(nick, username, host, vhost, ipbuf)) { /* return NULL; */ } } /* SGLINE */ if (ircd->sgline) { if (check_sgline(nick, realname)) return NULL; } /* SQLINE */ if (ircd->sqline) { if (check_sqline(nick, 0)) return NULL; } /* SZLINE */ if (ircd->szline && ircd->nickip) { if (check_szline(nick, ipbuf)) return NULL; } /* Now check for session limits */ if (LimitSessions && !is_ulined(server) && !add_session(nick, host, ipbuf)) return NULL; /* Allocate User structure and fill it in. */ user = new_user(nick); user->username = sstrdup(username); user->host = sstrdup(host); user->server = findserver(servlist, server); user->realname = sstrdup(realname); user->timestamp = ts; user->my_signon = time(NULL); user->chost = vhost ? sstrdup(vhost) : sstrdup(host); user->vhost = vhost ? sstrdup(vhost) : sstrdup(host); if (uid) { user->uid = sstrdup(uid); /* p10/ts6 stuff */ } else { user->uid = NULL; } user->vident = sstrdup(username); /* We now store the user's ip in the user_ struct, * because we will use it in serveral places -- DrStein */ if (ircd->nickip) { user->hostip = sstrdup(ipbuf); } else { user->hostip = NULL; } if (svid == 0) { display_news(user, NEWS_LOGON); display_news(user, NEWS_RANDOM); } if (svid == 2 && user->na) { /* We do not yet know if the user should be identified or not. * mark him as recognized for now. * It s up to the protocol module to make sure this either becomes ID'd or * is invalidated. ~ Viper */ if (debug) alog("debug: Marking %s as recognized..", user->nick); user->svid = 1; user->na->status |= NS_RECOGNIZED; nc_changed = 0; } else if (svid == ts && user->na) { /* Timestamp and svid match, and nick is registered; automagically identify the nick */ user->svid = svid; user->na->status |= NS_IDENTIFIED; check_memos(user); nc_changed = 0; /* Start nick tracking if available */ if (NSNickTracking) nsStartNickTracking(user); } else if (svid != 1) { /* Resets the svid because it doesn't match */ user->svid = 1; anope_cmd_svid_umode(user->nick, user->timestamp); } else { user->svid = 1; } send_event(EVENT_NEWNICK, 1, nick); } else { /* An old user changing nicks. */ if (UseTS6 && ircd->ts6) user = find_byuid(source); if (!user) user = finduser(source); if (!user) { alog("user: NICK from nonexistent nick %s", source); return NULL; } user->isSuperAdmin = 0; /* Dont let people nick change and stay SuperAdmins */ if (debug) alog("debug: %s changes nick to %s", source, nick); if (LogUsers) { logrealname = normalizeBuffer(user->realname); if (ircd->vhost) { alog("LOGUSERS: %s (%s@%s => %s) (%s) changed nick to %s (%s).", user->nick, user->username, user->host, (user->vhost ? user->vhost : "(none)"), logrealname, nick, user->server->name); } else { alog("LOGUSERS: %s (%s@%s) (%s) changed nick to %s (%s).", user->nick, user->username, user->host, logrealname, nick, user->server->name); } if (logrealname) { free(logrealname); } } user->timestamp = ts; if (stricmp(nick, user->nick) == 0) { /* No need to redo things */ change_user_nick(user, nick); nc_changed = 0; } else { /* Update this only if nicks aren't the same */ user->my_signon = time(NULL); old_na = user->na; if (old_na) { if (nick_recognized(user)) user->na->last_seen = time(NULL); status = old_na->status & NS_TRANSGROUP; cancel_user(user); } oldnick = sstrdup(user->nick); change_user_nick(user, nick); if ((old_na ? old_na->nc : NULL) == (user->na ? user->na->nc : NULL)) nc_changed = 0; if (!nc_changed && (user->na)) user->na->status |= status; else { anope_cmd_nc_change(user); } send_event(EVENT_CHANGE_NICK, 2, nick, oldnick); free(oldnick); } if (ircd->sqline) { if (!is_oper(user) && check_sqline(user->nick, 1)) return NULL; } } /* if (!*source) */ /* Check for nick tracking to bypass identification */ if (NSNickTracking && nsCheckNickTracking(user)) { user->na->status |= NS_IDENTIFIED; nc_changed = 0; } if (nc_changed || !nick_recognized(user)) { if (validate_user(user)) check_memos(user); } else { if (nick_identified(user)) { char tsbuf[16]; user->na->last_seen = time(NULL); if (user->na->last_usermask) free(user->na->last_usermask); user->na->last_usermask = smalloc(strlen(common_get_vident(user)) + strlen(common_get_vhost(user)) + 2); sprintf(user->na->last_usermask, "%s@%s", common_get_vident(user), common_get_vhost(user)); snprintf(tsbuf, sizeof(tsbuf), "%lu", (unsigned long int) user->timestamp); anope_cmd_svid_umode2(user, tsbuf); alog("%s: %s!%s@%s automatically identified for nick %s", s_NickServ, user->nick, user->username, user->host, user->nick); } } /* Bahamut sets -r on every nick changes, so we must test it even if nc_changed == 0 */ if (ircd->check_nick_id) { if (nick_identified(user)) { char tsbuf[16]; snprintf(tsbuf, sizeof(tsbuf), "%lu", (unsigned long int) user->timestamp); anope_cmd_svid_umode3(user, tsbuf); } } return user; }
void delete_user(User * user) { struct u_chanlist *c, *c2; struct u_chaninfolist *ci, *ci2; char *realname; if (LogUsers) { realname = normalizeBuffer(user->realname); if (ircd->vhost) { alog("LOGUSERS: %s (%s@%s => %s) (%s) left the network (%s).", user->nick, user->username, user->host, (user->vhost ? user->vhost : "(none)"), realname, user->server->name); } else { alog("LOGUSERS: %s (%s@%s) (%s) left the network (%s).", user->nick, user->username, user->host, realname, user->server->name); } free(realname); } send_event(EVENT_USER_LOGOFF, 1, user->nick); if (debug >= 2) alog("debug: delete_user() called"); usercnt--; if (is_oper(user)) opcnt--; if (debug >= 2) alog("debug: delete_user(): free user data"); free(user->username); free(user->host); if (user->chost) free(user->chost); if (user->vhost) free(user->vhost); if (user->vident) free(user->vident); if (user->uid) { free(user->uid); } Anope_Free(user->realname); Anope_Free(user->hostip); if (debug >= 2) { alog("debug: delete_user(): remove from channels"); } c = user->chans; while (c) { c2 = c->next; chan_deluser(user, c->chan); free(c); c = c2; } /* This called only here now */ cancel_user(user); if (user->na) user->na->u = NULL; if (debug >= 2) alog("debug: delete_user(): free founder data"); ci = user->founder_chans; while (ci) { ci2 = ci->next; free(ci); ci = ci2; } if (user->nickTrack) free(user->nickTrack); moduleCleanStruct(&user->moduleData); if (debug >= 2) alog("debug: delete_user(): delete from list"); if (user->prev) user->prev->next = user->next; else userlist[HASH(user->nick)] = user->next; if (user->next) user->next->prev = user->prev; if (debug >= 2) alog("debug: delete_user(): free user structure"); free(user); if (debug >= 2) alog("debug: delete_user() done"); }