X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_dccallow.cpp;h=e0ea4c7aeed89e7d20ab38cdc05bb0320e4e8ff5;hb=e59cb85871f75b7603c63c6cd274d57536cf6794;hp=2b8d1306cd5f544265f4106063eb895a03db2742;hpb=0ec19b7ac91eedc83b31c3da733e237bfe28fc48;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_dccallow.cpp b/src/modules/m_dccallow.cpp
index 2b8d1306c..e0ea4c7ae 100644
--- a/src/modules/m_dccallow.cpp
+++ b/src/modules/m_dccallow.cpp
@@ -25,6 +25,47 @@
 
 #include "inspircd.h"
 
+enum
+{
+	// From ircd-ratbox.
+	RPL_HELPSTART = 704,
+	RPL_HELPTXT = 705,
+	RPL_ENDOFHELP = 706,
+
+	// InspIRCd-specific?
+	RPL_DCCALLOWSTART = 990,
+	RPL_DCCALLOWLIST = 991,
+	RPL_DCCALLOWEND = 992,
+	RPL_DCCALLOWTIMED = 993,
+	RPL_DCCALLOWPERMANENT = 994,
+	RPL_DCCALLOWREMOVED = 995,
+	ERR_DCCALLOWINVALID = 996,
+	RPL_DCCALLOWEXPIRED = 997,
+	ERR_UNKNOWNDCCALLOWCMD = 998
+};
+
+static const char* const helptext[] =
+{
+	"You may allow DCCs from specific users by specifying a",
+	"DCC allow for the user you want to receive DCCs from.",
+	"For example, to allow the user Brain to send you inspircd.exe",
+	"you would type:",
+	"/DCCALLOW +Brain",
+	"Brain would then be able to send you files. They would have to",
+	"resend the file again if the server gave them an error message",
+	"before you added them to your DCCALLOW list.",
+	"DCCALLOW entries will be temporary. If you want to add",
+	"them to your DCCALLOW list until you leave IRC, type:",
+	"/DCCALLOW +Brain 0",
+	"To remove the user from your DCCALLOW list, type:",
+	"/DCCALLOW -Brain",
+	"To see the users in your DCCALLOW list, type:",
+	"/DCCALLOW LIST",
+	"NOTE: If the user leaves IRC or changes their nickname",
+	"  they will be removed from your DCCALLOW list.",
+	"  Your DCCALLOW list will be deleted when you leave IRC."
+};
+
 class BannedFileList
 {
  public:
@@ -38,11 +79,17 @@ class DCCAllow
 	std::string nickname;
 	std::string hostmask;
 	time_t set_on;
-	long length;
+	unsigned long length;
 
 	DCCAllow() { }
 
-	DCCAllow(const std::string &nick, const std::string &hm, const time_t so, const long ln) : nickname(nick), hostmask(hm), set_on(so), length(ln) { }
+	DCCAllow(const std::string& nick, const std::string& hm, time_t so, unsigned long ln)
+		: nickname(nick)
+		, hostmask(hm)
+		, set_on(so)
+		, length(ln)
+	{
+	}
 };
 
 typedef std::vector<User *> userlist;
@@ -58,6 +105,8 @@ class CommandDccallow : public Command
 	DCCAllowExt& ext;
 
  public:
+	unsigned int maxentries;
+	unsigned long defaultlength;
 	CommandDccallow(Module* parent, DCCAllowExt& Ext)
 		: Command(parent, "DCCALLOW", 0)
 		, ext(Ext)
@@ -66,9 +115,9 @@ class CommandDccallow : public Command
 		/* XXX we need to fix this so it can work with translation stuff (i.e. move +- into a seperate param */
 	}
 
-	CmdResult Handle(const std::vector<std::string> &parameters, User *user)
+	CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
 	{
-		/* syntax: DCCALLOW [+|-]<nick> (<time>) */
+		/* syntax: DCCALLOW [(+|-)<nick> [<time>]]|[LIST|HELP] */
 		if (!parameters.size())
 		{
 			// display current DCCALLOW list
@@ -96,7 +145,7 @@ class CommandDccallow : public Command
 				}
 				else
 				{
-					user->WriteNumeric(998, ":DCCALLOW command not understood. For help on DCCALLOW, type /DCCALLOW HELP");
+					user->WriteNumeric(ERR_UNKNOWNDCCALLOWCMD, "DCCALLOW command not understood. For help on DCCALLOW, type /DCCALLOW HELP");
 					return CMD_FAILURE;
 				}
 			}
@@ -104,7 +153,7 @@ class CommandDccallow : public Command
 			std::string nick(parameters[0], 1);
 			User *target = ServerInstance->FindNickOnly(nick);
 
-			if ((target) && (!IS_SERVER(target)) && (!target->quitting) && (target->registered == REG_ALL))
+			if ((target) && (!target->quitting) && (target->registered == REG_ALL))
 			{
 
 				if (action == '-')
@@ -119,7 +168,7 @@ class CommandDccallow : public Command
 							if (i->nickname == target->nick)
 							{
 								dl->erase(i);
-								user->WriteNumeric(995, "%s :Removed %s from your DCCALLOW list", user->nick.c_str(), target->nick.c_str());
+								user->WriteNumeric(RPL_DCCALLOWREMOVED, user->nick, InspIRCd::Format("Removed %s from your DCCALLOW list", target->nick.c_str()));
 								break;
 							}
 						}
@@ -129,7 +178,7 @@ class CommandDccallow : public Command
 				{
 					if (target == user)
 					{
-						user->WriteNumeric(996, "%s :You cannot add yourself to your own DCCALLOW list!", user->nick.c_str());
+						user->WriteNumeric(ERR_DCCALLOWINVALID, user->nick, "You cannot add yourself to your own DCCALLOW list!");
 						return CMD_FAILURE;
 					}
 
@@ -142,30 +191,39 @@ class CommandDccallow : public Command
 						ul.push_back(user);
 					}
 
+					if (dl->size() >= maxentries)
+					{
+						user->WriteNumeric(ERR_DCCALLOWINVALID, user->nick, "Too many nicks on DCCALLOW list");
+						return CMD_FAILURE;
+					}
+
 					for (dccallowlist::const_iterator k = dl->begin(); k != dl->end(); ++k)
 					{
 						if (k->nickname == target->nick)
 						{
-							user->WriteNumeric(996, "%s :%s is already on your DCCALLOW list", user->nick.c_str(), target->nick.c_str());
+							user->WriteNumeric(ERR_DCCALLOWINVALID, user->nick, InspIRCd::Format("%s is already on your DCCALLOW list", target->nick.c_str()));
 							return CMD_FAILURE;
 						}
 					}
 
-					std::string mask = target->nick+"!"+target->ident+"@"+target->dhost;
-					std::string default_length = ServerInstance->Config->ConfValue("dccallow")->getString("length");
-
+					std::string mask = target->nick+"!"+target->ident+"@"+target->GetDisplayedHost();
 					unsigned long length;
 					if (parameters.size() < 2)
 					{
-						length = InspIRCd::Duration(default_length);
+						length = defaultlength;
 					}
-					else if (!atoi(parameters[1].c_str()))
+					else if (!InspIRCd::IsValidDuration(parameters[1]))
 					{
-						length = 0;
+						user->WriteNumeric(ERR_DCCALLOWINVALID, user->nick, InspIRCd::Format("%s is not a valid DCCALLOW duration", parameters[1].c_str()));
+						return CMD_FAILURE;
 					}
 					else
 					{
-						length = InspIRCd::Duration(parameters[1]);
+						if (!InspIRCd::Duration(parameters[1], length))
+						{
+							user->WriteNotice("*** Invalid duration for DCC allow");
+							return CMD_FAILURE;
+						}
 					}
 
 					if (!InspIRCd::IsValidMask(mask))
@@ -177,11 +235,11 @@ class CommandDccallow : public Command
 
 					if (length > 0)
 					{
-						user->WriteNumeric(993, "%s :Added %s to DCCALLOW list for %ld seconds", user->nick.c_str(), target->nick.c_str(), length);
+						user->WriteNumeric(RPL_DCCALLOWTIMED, user->nick, InspIRCd::Format("Added %s to DCCALLOW list for %s", target->nick.c_str(), InspIRCd::DurationString(length).c_str()));
 					}
 					else
 					{
-						user->WriteNumeric(994, "%s :Added %s to DCCALLOW list for this session", user->nick.c_str(), target->nick.c_str());
+						user->WriteNumeric(RPL_DCCALLOWPERMANENT, user->nick, InspIRCd::Format("Added %s to DCCALLOW list for this session", target->nick.c_str()));
 					}
 
 					/* route it. */
@@ -191,40 +249,24 @@ class CommandDccallow : public Command
 			else
 			{
 				// nick doesn't exist
-				user->WriteNumeric(401, "%s :No such nick/channel", nick.c_str());
+				user->WriteNumeric(Numerics::NoSuchNick(nick));
 				return CMD_FAILURE;
 			}
 		}
 		return CMD_FAILURE;
 	}
 
-	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+	RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
 	{
 		return ROUTE_BROADCAST;
 	}
 
 	void DisplayHelp(User* user)
 	{
-		user->WriteNumeric(998, ":DCCALLOW [(+|-)<nick> [<time>]]|[LIST|HELP]");
-		user->WriteNumeric(998, ":You may allow DCCs from specific users by specifying a");
-		user->WriteNumeric(998, ":DCC allow for the user you want to receive DCCs from.");
-		user->WriteNumeric(998, ":For example, to allow the user Brain to send you inspircd.exe");
-		user->WriteNumeric(998, ":you would type:");
-		user->WriteNumeric(998, ":/DCCALLOW +Brain");
-		user->WriteNumeric(998, ":Brain would then be able to send you files. They would have to");
-		user->WriteNumeric(998, ":resend the file again if the server gave them an error message");
-		user->WriteNumeric(998, ":before you added them to your DCCALLOW list.");
-		user->WriteNumeric(998, ":DCCALLOW entries will be temporary by default, if you want to add");
-		user->WriteNumeric(998, ":them to your DCCALLOW list until you leave IRC, type:");
-		user->WriteNumeric(998, ":/DCCALLOW +Brain 0");
-		user->WriteNumeric(998, ":To remove the user from your DCCALLOW list, type:");
-		user->WriteNumeric(998, ":/DCCALLOW -Brain");
-		user->WriteNumeric(998, ":To see the users in your DCCALLOW list, type:");
-		user->WriteNumeric(998, ":/DCCALLOW LIST");
-		user->WriteNumeric(998, ":NOTE: If the user leaves IRC or changes their nickname");
-		user->WriteNumeric(998, ":  they will be removed from your DCCALLOW list.");
-		user->WriteNumeric(998, ":  your DCCALLOW list will be deleted when you leave IRC.");
-		user->WriteNumeric(999, ":End of DCCALLOW HELP");
+		user->WriteNumeric(RPL_HELPSTART, "*", "DCCALLOW [(+|-)<nick> [<time>]]|[LIST|HELP]");
+		for (size_t i = 0; i < sizeof(helptext)/sizeof(helptext[0]); i++)
+			user->WriteNumeric(RPL_HELPTXT, "*", helptext[i]);
+		user->WriteNumeric(RPL_ENDOFHELP, "*", "End of DCCALLOW HELP");
 
 		LocalUser* localuser = IS_LOCAL(user);
 		if (localuser)
@@ -234,18 +276,18 @@ class CommandDccallow : public Command
 	void DisplayDCCAllowList(User* user)
 	{
 		 // display current DCCALLOW list
-		user->WriteNumeric(990, ":Users on your DCCALLOW list:");
+		user->WriteNumeric(RPL_DCCALLOWSTART, "Users on your DCCALLOW list:");
 
 		dl = ext.get(user);
 		if (dl)
 		{
 			for (dccallowlist::const_iterator c = dl->begin(); c != dl->end(); ++c)
 			{
-				user->WriteNumeric(991, "%s :%s (%s)", user->nick.c_str(), c->nickname.c_str(), c->hostmask.c_str());
+				user->WriteNumeric(RPL_DCCALLOWLIST, user->nick, InspIRCd::Format("%s (%s)", c->nickname.c_str(), c->hostmask.c_str()));
 			}
 		}
 
-		user->WriteNumeric(992, ":End of DCCALLOW list");
+		user->WriteNumeric(RPL_DCCALLOWEND, "End of DCCALLOW list");
 	}
 
 };
@@ -254,11 +296,14 @@ class ModuleDCCAllow : public Module
 {
 	DCCAllowExt ext;
 	CommandDccallow cmd;
+	bool blockchat;
+	std::string defaultaction;
 
  public:
 	ModuleDCCAllow()
 		: ext("dccallow", ExtensionItem::EXT_USER, this)
 		, cmd(this, ext)
+		, blockchat(false)
 	{
 	}
 
@@ -280,27 +325,27 @@ class ModuleDCCAllow : public Module
 		RemoveNick(user);
 	}
 
-	ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE
+	ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
 	{
 		if (!IS_LOCAL(user))
 			return MOD_RES_PASSTHRU;
 
-		if (target_type == TYPE_USER)
+		if (target.type == MessageTarget::TYPE_USER)
 		{
-			User* u = (User*)dest;
+			User* u = target.Get<User>();
 
 			/* Always allow a user to dcc themselves (although... why?) */
 			if (user == u)
 				return MOD_RES_PASSTHRU;
 
-			if ((text.length()) && (text[0] == '\1'))
+			if ((details.text.length()) && (details.text[0] == '\1'))
 			{
 				Expire();
 
 				// :jamie!jamie@test-D4457903BA652E0F.silverdream.org PRIVMSG eimaj :DCC SEND m_dnsbl.cpp 3232235786 52650 9676
 				// :jamie!jamie@test-D4457903BA652E0F.silverdream.org PRIVMSG eimaj :VERSION
 
-				if (strncmp(text.c_str(), "\1DCC ", 5) == 0)
+				if (strncmp(details.text.c_str(), "\1DCC ", 5) == 0)
 				{
 					dl = ext.get(u);
 					if (dl && dl->size())
@@ -310,23 +355,39 @@ class ModuleDCCAllow : public Module
 								return MOD_RES_PASSTHRU;
 					}
 
-					// tokenize
-					std::stringstream ss(text);
-					std::string buf;
-					std::vector<std::string> tokens;
+					std::string buf = details.text.substr(5);
+					size_t s = buf.find(' ');
+					if (s == std::string::npos)
+						return MOD_RES_PASSTHRU;
 
-					while (ss >> buf)
-						tokens.push_back(buf);
+					const std::string type = buf.substr(0, s);
 
-					irc::string type = tokens[1].c_str();
+					if (stdalgo::string::equalsci(type, "SEND"))
+					{
+						size_t first;
 
-					ConfigTag* conftag = ServerInstance->Config->ConfValue("dccallow");
-					bool blockchat = conftag->getBool("blockchat");
+						buf = buf.substr(s + 1);
 
-					if (type == "SEND")
-					{
-						std::string defaultaction = conftag->getString("action");
-						std::string filename = tokens[2];
+						if (!buf.empty() && buf[0] == '"')
+						{
+							s = buf.find('"', 1);
+
+							if (s == std::string::npos || s <= 1)
+								return MOD_RES_PASSTHRU;
+
+							--s;
+							first = 1;
+						}
+						else
+						{
+							s = buf.find(' ');
+							first = 0;
+						}
+
+						if (s == std::string::npos)
+							return MOD_RES_PASSTHRU;
+
+						std::string filename = buf.substr(first, s);
 
 						bool found = false;
 						for (unsigned int i = 0; i < bfl.size(); i++)
@@ -334,7 +395,7 @@ class ModuleDCCAllow : public Module
 							if (InspIRCd::Match(filename, bfl[i].filemask, ascii_case_insensitive_map))
 							{
 								/* We have a matching badfile entry, override whatever the default action is */
-								if (bfl[i].action == "allow")
+								if (stdalgo::string::equalsci(bfl[i].action, "allow"))
 									return MOD_RES_PASSTHRU;
 								else
 								{
@@ -349,14 +410,14 @@ class ModuleDCCAllow : public Module
 							return MOD_RES_PASSTHRU;
 
 						user->WriteNotice("The user " + u->nick + " is not accepting DCC SENDs from you. Your file " + filename + " was not sent.");
-						u->WriteNotice(user->nick + " (" + user->ident + "@" + user->dhost + ") attempted to send you a file named " + filename + ", which was blocked.");
+						u->WriteNotice(user->nick + " (" + user->ident + "@" + user->GetDisplayedHost() + ") attempted to send you a file named " + filename + ", which was blocked.");
 						u->WriteNotice("If you trust " + user->nick + " and were expecting this, you can type /DCCALLOW HELP for information on the DCCALLOW system.");
 						return MOD_RES_DENY;
 					}
-					else if ((type == "CHAT") && (blockchat))
+					else if ((blockchat) && (stdalgo::string::equalsci(type, "CHAT")))
 					{
 						user->WriteNotice("The user " + u->nick + " is not accepting DCC CHAT requests from you.");
-						u->WriteNotice(user->nick + " (" + user->ident + "@" + user->dhost + ") attempted to initiate a DCC CHAT session, which was blocked.");
+						u->WriteNotice(user->nick + " (" + user->ident + "@" + user->GetDisplayedHost() + ") attempted to initiate a DCC CHAT session, which was blocked.");
 						u->WriteNotice("If you trust " + user->nick + " and were expecting this, you can type /DCCALLOW HELP for information on the DCCALLOW system.");
 						return MOD_RES_DENY;
 					}
@@ -379,9 +440,10 @@ class ModuleDCCAllow : public Module
 					dccallowlist::iterator iter2 = dl->begin();
 					while (iter2 != dl->end())
 					{
-						if (iter2->length != 0 && (iter2->set_on + iter2->length) <= ServerInstance->Time())
+						time_t expires = iter2->set_on + iter2->length;
+						if (iter2->length != 0 && expires <= ServerInstance->Time())
 						{
-							u->WriteNumeric(997, "%s :DCCALLOW entry for %s has expired", u->nick.c_str(), iter2->nickname.c_str());
+							u->WriteNumeric(RPL_DCCALLOWEXPIRED, u->nick, InspIRCd::Format("DCCALLOW entry for %s has expired", iter2->nickname.c_str()));
 							iter2 = dl->erase(iter2);
 						}
 						else
@@ -416,7 +478,7 @@ class ModuleDCCAllow : public Module
 						{
 
 							u->WriteNotice(i->nickname + " left the network or changed their nickname and has been removed from your DCCALLOW list");
-							u->WriteNumeric(995, "%s :Removed %s from your DCCALLOW list", u->nick.c_str(), i->nickname.c_str());
+							u->WriteNumeric(RPL_DCCALLOWREMOVED, u->nick, InspIRCd::Format("Removed %s from your DCCALLOW list", i->nickname.c_str()));
 							dl->erase(i);
 							break;
 						}
@@ -447,20 +509,27 @@ class ModuleDCCAllow : public Module
 
 	void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
 	{
-		bfl.clear();
+		bannedfilelist newbfl;
 		ConfigTagList tags = ServerInstance->Config->ConfTags("banfile");
 		for (ConfigIter i = tags.first; i != tags.second; ++i)
 		{
 			BannedFileList bf;
 			bf.filemask = i->second->getString("pattern");
 			bf.action = i->second->getString("action");
-			bfl.push_back(bf);
+			newbfl.push_back(bf);
 		}
+		bfl.swap(newbfl);
+
+		ConfigTag* tag = ServerInstance->Config->ConfValue("dccallow");
+		cmd.maxentries = tag->getUInt("maxentries", 20);
+		cmd.defaultlength = tag->getDuration("length", 0);
+		blockchat = tag->getBool("blockchat");
+		defaultaction = tag->getString("action");
 	}
 
 	Version GetVersion() CXX11_OVERRIDE
 	{
-		return Version("Provides support for the /DCCALLOW command", VF_COMMON | VF_VENDOR);
+		return Version("Provides the DCCALLOW command", VF_COMMON | VF_VENDOR);
 	}
 };