Fix pending invites not being removed when a channel was deleted or had its TS lowered

[user/henk/code/inspircd.git] / src / helperfuncs.cpp

diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp
index eced0c56a10b942f87d048335897e0f2c1fffde5..edb5005d25e049e009365e9f12a91c4b45a578a5 100644 (file)
--- a/src/helperfuncs.cpp
+++ b/src/helperfuncs.cpp
@@ -1,16 +1,27 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ *   Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
  *
- * This program is free but copyrighted software; see
- *         the file COPYING for details.
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 /* $Core */
 
 #include "inspircd.h"
@@ -173,6 +184,9 @@ bool InspIRCd::IsValidMask(const std::string &mask)
        if (exclamation != 1 || atsign != 1)
                return false;
 
+       if (mask.length() > 250)
+               return false;
+
        return true;
 }
 
@@ -276,36 +290,19 @@ bool IsSIDHandler::Call(const std::string &str)
 /* open the proper logfile */
 bool InspIRCd::OpenLog(char**, int)
 {
-       /* This function only happens at startup now */
-       if (Config->nofork)
-       {
-               this->Logs->SetupNoFork();
-       }
-
-       if (!Config->writelog) return true; // Skip opening default log if -nolog
-
-       if (!*this->LogFileName)
-       {
-               if (Config->logpath.empty())
-               {
-                       Config->logpath = "logs/startup.log";
-               }
+       if (!Config->cmdline.writelog) return true; // Skip opening default log if -nolog
 
-               if (!Config->log_file)
-                       Config->log_file = fopen(Config->logpath.c_str(),"a+");
-       }
-       else
-       {
-               Config->log_file = fopen(this->LogFileName,"a+");
-       }
+       if (Config->cmdline.startup_log.empty())
+               Config->cmdline.startup_log = "logs/startup.log";
+       FILE* startup = fopen(Config->cmdline.startup_log.c_str(), "a+");
 
-       if (!Config->log_file)
+       if (!startup)
        {
                return false;
        }
 
-       FileWriter* fw = new FileWriter(Config->log_file);
-       FileLogStream *f = new FileLogStream((Config->forcedebug ? DEBUG : DEFAULT), fw);
+       FileWriter* fw = new FileWriter(startup);
+       FileLogStream *f = new FileLogStream((Config->cmdline.forcedebug ? DEBUG : DEFAULT), fw);
 
        this->Logs->AddLogType("*", f, true);
 
@@ -413,13 +410,71 @@ std::string InspIRCd::TimeString(time_t curtime)
 void InspIRCd::AddExtBanChar(char c)
 {
        std::string &tok = Config->data005;
-       std::string::size_type ebpos;
+       std::string::size_type ebpos = tok.find(" EXTBAN=,");
 
-       if ((ebpos = tok.find(" EXTBAN=,")) == std::string::npos)
+       if (ebpos == std::string::npos)
        {
                tok.append(" EXTBAN=,");
                tok.push_back(c);
        }
        else
-               tok.insert(ebpos + 9, 1, c);
+       {
+               ebpos += 9;
+               while (isalpha(tok[ebpos]) && tok[ebpos] < c)
+                       ebpos++;
+               tok.insert(ebpos, 1, c);
+       }
+}
+
+std::string InspIRCd::GenRandomStr(int length, bool printable)
+{
+       char* buf = new char[length];
+       GenRandom(buf, length);
+       std::string rv;
+       rv.resize(length);
+       for(int i=0; i < length; i++)
+               rv[i] = printable ? 0x3F + (buf[i] & 0x3F) : buf[i];
+       delete[] buf;
+       return rv;
+}
+
+// NOTE: this has a slight bias for lower values if max is not a power of 2.
+// Don't use it if that matters.
+unsigned long InspIRCd::GenRandomInt(unsigned long max)
+{
+       unsigned long rv;
+       GenRandom((char*)&rv, sizeof(rv));
+       return rv % max;
+}
+
+// This is overridden by a higher-quality algorithm when SSL support is loaded
+void GenRandomHandler::Call(char *output, size_t max)
+{
+       for(unsigned int i=0; i < max; i++)
+               output[i] = random();
+}
+
+ModResult OnCheckExemptionHandler::Call(User* user, Channel* chan, const std::string& restriction)
+{
+       unsigned int mypfx = chan->GetPrefixValue(user);
+       char minmode = 0;
+       std::string current;
+
+       irc::spacesepstream defaultstream(ServerInstance->Config->ConfValue("options")->getString("exemptchanops"));
+
+       while (defaultstream.GetToken(current))
+       {
+               std::string::size_type pos = current.find(':');
+               if (pos == std::string::npos)
+                       continue;
+               if (current.substr(0,pos) == restriction)
+                       minmode = current[pos+1];
+       }
+
+       ModeHandler* mh = ServerInstance->Modes->FindMode(minmode, MODETYPE_CHANNEL);
+       if (mh && mypfx >= mh->GetPrefixRank())
+               return MOD_RES_ALLOW;
+       if (mh || minmode == '*')
+               return MOD_RES_DENY;
+       return MOD_RES_PASSTHRU;
 }