diff options
author | peavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7> | 2007-07-16 17:14:45 +0000 |
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committer | peavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7> | 2007-07-16 17:14:45 +0000 |
commit | bab14f0dd2345c9d7dcbc47c918563709e1ac094 (patch) | |
tree | 753a23cfc9fc08c6697e80b3e686f074aa911d85 /src/modules/m_filter.h | |
parent | 3abff3a37550cc1d88dd4d1fd7ed526e89309a53 (diff) |
'svn propset -R svn:eol-style CR *' Set to UNIX-style always. Binaries are auto skipped by svn.
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7454 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src/modules/m_filter.h')
-rw-r--r-- | src/modules/m_filter.h | 454 |
1 files changed, 1 insertions, 453 deletions
diff --git a/src/modules/m_filter.h b/src/modules/m_filter.h index f2986804c..ddf448e2e 100644 --- a/src/modules/m_filter.h +++ b/src/modules/m_filter.h @@ -1,453 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "xline.h" - -enum FilterFlags -{ - FLAG_NOOPERS = 1, - FLAG_PART = 2, - FLAG_QUIT = 4, - FLAG_PRIVMSG = 8, - FLAG_NOTICE = 16 -}; - -class FilterResult : public classbase -{ - public: - std::string freeform; - std::string reason; - std::string action; - long gline_time; - std::string flags; - - bool flag_no_opers; - bool flag_part_message; - bool flag_quit_message; - bool flag_privmsg; - bool flag_notice; - - FilterResult(const std::string free, const std::string &rea, const std::string &act, long gt, const std::string &fla) : freeform(free), reason(rea), - action(act), gline_time(gt), flags(fla) - { - this->FillFlags(flags); - } - - int FillFlags(const std::string &fl) - { - flags = fl; - flag_no_opers = flag_part_message = flag_quit_message = flag_privmsg = flag_notice = false; - size_t x = 0; - - for (std::string::const_iterator n = flags.begin(); n != flags.end(); ++n, ++x) - { - switch (*n) - { - case 'o': - flag_no_opers = true; - break; - case 'P': - flag_part_message = true; - break; - case 'q': - flag_quit_message = true; - break; - case 'p': - flag_privmsg = true; - break; - case 'n': - flag_notice = true; - break; - case '*': - flag_no_opers = flag_part_message = flag_quit_message = - flag_privmsg = flag_notice = true; - break; - default: - return x; - break; - } - } - return 0; - } - - FilterResult() - { - } - - virtual ~FilterResult() - { - } -}; - -class cmd_filter; - -class FilterBase : public Module -{ - cmd_filter* filtcommand; - int flags; - public: - FilterBase(InspIRCd* Me, const std::string &source); - virtual ~FilterBase(); - virtual void Implements(char* List); - virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list); - virtual FilterResult* FilterMatch(userrec* user, const std::string &text, int flags) = 0; - virtual bool DeleteFilter(const std::string &freeform) = 0; - virtual void SyncFilters(Module* proto, void* opaque) = 0; - virtual void SendFilter(Module* proto, void* opaque, FilterResult* iter); - virtual std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flags) = 0; - virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list); - virtual void OnRehash(userrec* user, const std::string ¶meter); - virtual Version GetVersion(); - std::string EncodeFilter(FilterResult* filter); - FilterResult DecodeFilter(const std::string &data); - virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable = false); - virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata); - virtual int OnStats(char symbol, userrec* user, string_list &results) = 0; - virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line); - bool AppliesToMe(userrec* user, FilterResult* filter, int flags); -}; - -class cmd_filter : public command_t -{ - FilterBase* Base; - public: - cmd_filter(FilterBase* f, InspIRCd* Me, const std::string &source) : command_t(Me, "FILTER", 'o', 1), Base(f) - { - this->source = source; - this->syntax = "<filter-definition> <type> <flags> [<gline-duration>] :<reason>"; - } - - CmdResult Handle(const char** parameters, int pcnt, userrec *user) - { - if (pcnt == 1) - { - /* Deleting a filter */ - if (Base->DeleteFilter(parameters[0])) - { - user->WriteServ("NOTICE %s :*** Deleted filter '%s'", user->nick, parameters[0]); - return CMD_SUCCESS; - } - else - { - user->WriteServ("NOTICE %s :*** Filter '%s' not found on list.", user->nick, parameters[0]); - return CMD_FAILURE; - } - } - else - { - /* Adding a filter */ - if (pcnt >= 4) - { - std::string freeform = parameters[0]; - std::string type = parameters[1]; - std::string flags = parameters[2]; - std::string reason; - long duration = 0; - - - if ((type != "gline") && (type != "none") && (type != "block") && (type != "kill") && (type != "silent")) - { - user->WriteServ("NOTICE %s :*** Invalid filter type '%s'. Supported types are 'gline', 'none', 'block', 'silent' and 'kill'.", user->nick, freeform.c_str()); - return CMD_FAILURE; - } - - if (type == "gline") - { - if (pcnt >= 5) - { - duration = ServerInstance->Duration(parameters[3]); - reason = parameters[4]; - } - else - { - this->TooFewParams(user, " When setting a gline type filter, a gline duration must be specified as the third parameter."); - return CMD_FAILURE; - } - } - else - { - reason = parameters[3]; - } - std::pair<bool, std::string> result = Base->AddFilter(freeform, type, reason, duration, flags); - if (result.first) - { - user->WriteServ("NOTICE %s :*** Added filter '%s', type '%s'%s%s, flags '%s', reason: '%s'", user->nick, freeform.c_str(), - type.c_str(), (duration ? " duration: " : ""), (duration ? parameters[3] : ""), - flags.c_str(), reason.c_str()); - return CMD_SUCCESS; - } - else - { - user->WriteServ("NOTICE %s :*** Filter '%s' could not be added: %s", user->nick, freeform.c_str(), result.second.c_str()); - return CMD_FAILURE; - } - } - else - { - this->TooFewParams(user, "."); - return CMD_FAILURE; - } - - } - } - - void TooFewParams(userrec* user, const std::string &extra_text) - { - user->WriteServ("NOTICE %s :*** Not enough parameters%s", user->nick, extra_text.c_str()); - } -}; - -bool FilterBase::AppliesToMe(userrec* user, FilterResult* filter, int flags) -{ - if ((flags & FLAG_NOOPERS) && (filter->flag_no_opers) && IS_OPER(user)) - return false; - if ((flags & FLAG_PRIVMSG) && (!filter->flag_privmsg)) - return false; - if ((flags & FLAG_NOTICE) && (!filter->flag_notice)) - return false; - if ((flags & FLAG_QUIT) && (!filter->flag_quit_message)) - return false; - if ((flags & FLAG_PART) && (!filter->flag_part_message)) - return false; - return true; -} - -FilterBase::FilterBase(InspIRCd* Me, const std::string &source) : Module(Me) -{ - filtcommand = new cmd_filter(this, Me, source); - ServerInstance->AddCommand(filtcommand); -} - -FilterBase::~FilterBase() -{ -} - -void FilterBase::Implements(char* List) -{ - List[I_OnPreCommand] = List[I_OnStats] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1; -} - -int FilterBase::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) -{ - flags = FLAG_PRIVMSG; - return OnUserPreNotice(user,dest,target_type,text,status,exempt_list); -} - -int FilterBase::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) -{ - if (!flags) - flags = FLAG_NOTICE; - - /* Leave ulines alone */ - if ((ServerInstance->ULine(user->server)) || (!IS_LOCAL(user))) - return 0; - - FilterResult* f = this->FilterMatch(user, text, flags); - if (f) - { - std::string target = ""; - if (target_type == TYPE_USER) - { - userrec* t = (userrec*)dest; - target = std::string(t->nick); - } - else if (target_type == TYPE_CHANNEL) - { - chanrec* t = (chanrec*)dest; - target = std::string(t->name); - } - if (f->action == "block") - { - ServerInstance->WriteOpers(std::string("FILTER: ")+user->nick+" had their message filtered, target was "+target+": "+f->reason); - user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message has been filtered and opers notified: "+f->reason); - } - if (f->action == "silent") - { - user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message has been filtered: "+f->reason); - } - if (f->action == "kill") - { - userrec::QuitUser(ServerInstance,user,"Filtered: "+f->reason); - } - if (f->action == "gline") - { - if (ServerInstance->XLines->add_gline(f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), user->MakeHostIP())) - { - ServerInstance->XLines->apply_lines(APPLY_GLINES); - FOREACH_MOD(I_OnAddGLine,OnAddGLine(f->gline_time, NULL, f->reason, user->MakeHostIP())); - } - } - - ServerInstance->Log(DEFAULT,"FILTER: "+std::string(user->nick)+std::string(" had their message filtered, target was ")+target+": "+f->reason+" Action: "+f->action); - return 1; - } - return 0; -} - -int FilterBase::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line) -{ - flags = 0; - if ((validated == 1) && (IS_LOCAL(user))) - { - std::string checkline; - int replacepoint = 0; - bool parting = false; - - if (command == "QUIT") - { - /* QUIT with no reason: nothing to do */ - if (pcnt < 1) - return 0; - - checkline = parameters[0]; - replacepoint = 0; - parting = false; - flags = FLAG_QUIT; - } - else if (command == "PART") - { - /* PART with no reason: nothing to do */ - if (pcnt < 2) - return 0; - - checkline = parameters[1]; - replacepoint = 1; - parting = true; - flags = FLAG_PART; - } - else - /* We're only messing with PART and QUIT */ - return 0; - - FilterResult* f = NULL; - - if (flags) - f = this->FilterMatch(user, checkline, flags); - - if (!f) - /* PART or QUIT reason doesnt match a filter */ - return 0; - - /* We cant block a part or quit, so instead we change the reason to 'Reason filtered' */ - command_t* c = ServerInstance->Parser->GetHandler(command); - if (c) - { - const char* params[127]; - for (int item = 0; item < pcnt; item++) - params[item] = parameters[item]; - params[replacepoint] = "Reason filtered"; - - /* We're blocking, OR theyre quitting and its a KILL action - * (we cant kill someone whos already quitting, so filter them anyway) - */ - if ((f->action == "block") || (((!parting) && (f->action == "kill"))) || (f->action == "silent")) - { - c->Handle(params, pcnt, user); - return 1; - } - else - { - /* Are they parting, if so, kill is applicable */ - if ((parting) && (f->action == "kill")) - { - user->SetWriteError("Filtered: "+f->reason); - /* This WriteServ causes the write error to be applied. - * Its not safe to kill here with QuitUser in a PreCommand handler, - * so we do it this way, which is safe just about anywhere. - */ - user->WriteServ("NOTICE %s :*** Your PART message was filtered: %s", user->nick, f->reason.c_str()); - } - if (f->action == "gline") - { - /* Note: We gline *@IP so that if their host doesnt resolve the gline still applies. */ - std::string wild = "*@"; - wild.append(user->GetIPString()); - - if (ServerInstance->XLines->add_gline(f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), wild.c_str())) - { - ServerInstance->XLines->apply_lines(APPLY_GLINES); - FOREACH_MOD(I_OnAddGLine,OnAddGLine(f->gline_time, NULL, f->reason, user->MakeHostIP())); - } - } - return 1; - } - } - return 0; - } - return 0; -} - -void FilterBase::OnRehash(userrec* user, const std::string ¶meter) -{ -} - -Version FilterBase::GetVersion() -{ - return Version(1,1,0,2,VF_VENDOR|VF_COMMON,API_VERSION); -} - - -std::string FilterBase::EncodeFilter(FilterResult* filter) -{ - std::ostringstream stream; - std::string x = filter->freeform; - - /* Hax to allow spaces in the freeform without changing the design of the irc protocol */ - for (std::string::iterator n = x.begin(); n != x.end(); n++) - if (*n == ' ') - *n = '\7'; - - stream << x << " " << filter->action << " " << (filter->flags.empty() ? "-" : filter->flags) << " " << filter->gline_time << " :" << filter->reason; - return stream.str(); -} - -FilterResult FilterBase::DecodeFilter(const std::string &data) -{ - FilterResult res; - irc::tokenstream tokens(data); - tokens.GetToken(res.freeform); - tokens.GetToken(res.action); - tokens.GetToken(res.flags); - if (res.flags == "-") - res.flags = ""; - res.FillFlags(res.flags); - tokens.GetToken(res.gline_time); - tokens.GetToken(res.reason); - - /* Hax to allow spaces in the freeform without changing the design of the irc protocol */ - for (std::string::iterator n = res.freeform.begin(); n != res.freeform.end(); n++) - if (*n == '\7') - *n = ' '; - - return res; -} - -void FilterBase::OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable) -{ - this->SyncFilters(proto, opaque); -} - -void FilterBase::SendFilter(Module* proto, void* opaque, FilterResult* iter) -{ - proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "filter", EncodeFilter(iter)); -} - -void FilterBase::OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata) -{ - if ((target_type == TYPE_OTHER) && (extname == "filter")) - { - FilterResult data = DecodeFilter(extdata); - this->AddFilter(data.freeform, data.action, data.reason, data.gline_time, data.flags); - } -} - +/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "xline.h"
enum FilterFlags
{
FLAG_NOOPERS = 1,
FLAG_PART = 2,
FLAG_QUIT = 4,
FLAG_PRIVMSG = 8,
FLAG_NOTICE = 16
};
class FilterResult : public classbase
{
public:
std::string freeform;
std::string reason;
std::string action;
long gline_time;
std::string flags;
bool flag_no_opers;
bool flag_part_message;
bool flag_quit_message;
bool flag_privmsg;
bool flag_notice;
FilterResult(const std::string free, const std::string &rea, const std::string &act, long gt, const std::string &fla) : freeform(free), reason(rea),
action(act), gline_time(gt), flags(fla)
{
this->FillFlags(flags);
}
int FillFlags(const std::string &fl)
{
flags = fl;
flag_no_opers = flag_part_message = flag_quit_message = flag_privmsg = flag_notice = false;
size_t x = 0;
for (std::string::const_iterator n = flags.begin(); n != flags.end(); ++n, ++x)
{
switch (*n)
{
case 'o':
flag_no_opers = true;
break;
case 'P':
flag_part_message = true;
break;
case 'q':
flag_quit_message = true;
break;
case 'p':
flag_privmsg = true;
break;
case 'n':
flag_notice = true;
break;
case '*':
flag_no_opers = flag_part_message = flag_quit_message =
flag_privmsg = flag_notice = true;
break;
default:
return x;
break;
}
}
return 0;
}
FilterResult()
{
}
virtual ~FilterResult()
{
}
};
class cmd_filter;
class FilterBase : public Module
{
cmd_filter* filtcommand;
int flags;
public:
FilterBase(InspIRCd* Me, const std::string &source);
virtual ~FilterBase();
virtual void Implements(char* List);
virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
virtual FilterResult* FilterMatch(userrec* user, const std::string &text, int flags) = 0;
virtual bool DeleteFilter(const std::string &freeform) = 0;
virtual void SyncFilters(Module* proto, void* opaque) = 0;
virtual void SendFilter(Module* proto, void* opaque, FilterResult* iter);
virtual std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flags) = 0;
virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
virtual void OnRehash(userrec* user, const std::string ¶meter);
virtual Version GetVersion();
std::string EncodeFilter(FilterResult* filter);
FilterResult DecodeFilter(const std::string &data);
virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable = false);
virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata);
virtual int OnStats(char symbol, userrec* user, string_list &results) = 0;
virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line);
bool AppliesToMe(userrec* user, FilterResult* filter, int flags);
};
class cmd_filter : public command_t
{
FilterBase* Base;
public:
cmd_filter(FilterBase* f, InspIRCd* Me, const std::string &source) : command_t(Me, "FILTER", 'o', 1), Base(f)
{
this->source = source;
this->syntax = "<filter-definition> <type> <flags> [<gline-duration>] :<reason>";
}
CmdResult Handle(const char** parameters, int pcnt, userrec *user)
{
if (pcnt == 1)
{
/* Deleting a filter */
if (Base->DeleteFilter(parameters[0]))
{
user->WriteServ("NOTICE %s :*** Deleted filter '%s'", user->nick, parameters[0]);
return CMD_SUCCESS;
}
else
{
user->WriteServ("NOTICE %s :*** Filter '%s' not found on list.", user->nick, parameters[0]);
return CMD_FAILURE;
}
}
else
{
/* Adding a filter */
if (pcnt >= 4)
{
std::string freeform = parameters[0];
std::string type = parameters[1];
std::string flags = parameters[2];
std::string reason;
long duration = 0;
if ((type != "gline") && (type != "none") && (type != "block") && (type != "kill") && (type != "silent"))
{
user->WriteServ("NOTICE %s :*** Invalid filter type '%s'. Supported types are 'gline', 'none', 'block', 'silent' and 'kill'.", user->nick, freeform.c_str());
return CMD_FAILURE;
}
if (type == "gline")
{
if (pcnt >= 5)
{
duration = ServerInstance->Duration(parameters[3]);
reason = parameters[4];
}
else
{
this->TooFewParams(user, " When setting a gline type filter, a gline duration must be specified as the third parameter.");
return CMD_FAILURE;
}
}
else
{
reason = parameters[3];
}
std::pair<bool, std::string> result = Base->AddFilter(freeform, type, reason, duration, flags);
if (result.first)
{
user->WriteServ("NOTICE %s :*** Added filter '%s', type '%s'%s%s, flags '%s', reason: '%s'", user->nick, freeform.c_str(),
type.c_str(), (duration ? " duration: " : ""), (duration ? parameters[3] : ""),
flags.c_str(), reason.c_str());
return CMD_SUCCESS;
}
else
{
user->WriteServ("NOTICE %s :*** Filter '%s' could not be added: %s", user->nick, freeform.c_str(), result.second.c_str());
return CMD_FAILURE;
}
}
else
{
this->TooFewParams(user, ".");
return CMD_FAILURE;
}
}
}
void TooFewParams(userrec* user, const std::string &extra_text)
{
user->WriteServ("NOTICE %s :*** Not enough parameters%s", user->nick, extra_text.c_str());
}
};
bool FilterBase::AppliesToMe(userrec* user, FilterResult* filter, int flags)
{
if ((flags & FLAG_NOOPERS) && (filter->flag_no_opers) && IS_OPER(user))
return false;
if ((flags & FLAG_PRIVMSG) && (!filter->flag_privmsg))
return false;
if ((flags & FLAG_NOTICE) && (!filter->flag_notice))
return false;
if ((flags & FLAG_QUIT) && (!filter->flag_quit_message))
return false;
if ((flags & FLAG_PART) && (!filter->flag_part_message))
return false;
return true;
}
FilterBase::FilterBase(InspIRCd* Me, const std::string &source) : Module(Me)
{
filtcommand = new cmd_filter(this, Me, source);
ServerInstance->AddCommand(filtcommand);
}
FilterBase::~FilterBase()
{
}
void FilterBase::Implements(char* List)
{
List[I_OnPreCommand] = List[I_OnStats] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
}
int FilterBase::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
flags = FLAG_PRIVMSG;
return OnUserPreNotice(user,dest,target_type,text,status,exempt_list);
}
int FilterBase::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (!flags)
flags = FLAG_NOTICE;
/* Leave ulines alone */
if ((ServerInstance->ULine(user->server)) || (!IS_LOCAL(user)))
return 0;
FilterResult* f = this->FilterMatch(user, text, flags);
if (f)
{
std::string target = "";
if (target_type == TYPE_USER)
{
userrec* t = (userrec*)dest;
target = std::string(t->nick);
}
else if (target_type == TYPE_CHANNEL)
{
chanrec* t = (chanrec*)dest;
target = std::string(t->name);
}
if (f->action == "block")
{
ServerInstance->WriteOpers(std::string("FILTER: ")+user->nick+" had their message filtered, target was "+target+": "+f->reason);
user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message has been filtered and opers notified: "+f->reason);
}
if (f->action == "silent")
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message has been filtered: "+f->reason);
}
if (f->action == "kill")
{
userrec::QuitUser(ServerInstance,user,"Filtered: "+f->reason);
}
if (f->action == "gline")
{
if (ServerInstance->XLines->add_gline(f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), user->MakeHostIP()))
{
ServerInstance->XLines->apply_lines(APPLY_GLINES);
FOREACH_MOD(I_OnAddGLine,OnAddGLine(f->gline_time, NULL, f->reason, user->MakeHostIP()));
}
}
ServerInstance->Log(DEFAULT,"FILTER: "+std::string(user->nick)+std::string(" had their message filtered, target was ")+target+": "+f->reason+" Action: "+f->action);
return 1;
}
return 0;
}
int FilterBase::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
{
flags = 0;
if ((validated == 1) && (IS_LOCAL(user)))
{
std::string checkline;
int replacepoint = 0;
bool parting = false;
if (command == "QUIT")
{
/* QUIT with no reason: nothing to do */
if (pcnt < 1)
return 0;
checkline = parameters[0];
replacepoint = 0;
parting = false;
flags = FLAG_QUIT;
}
else if (command == "PART")
{
/* PART with no reason: nothing to do */
if (pcnt < 2)
return 0;
checkline = parameters[1];
replacepoint = 1;
parting = true;
flags = FLAG_PART;
}
else
/* We're only messing with PART and QUIT */
return 0;
FilterResult* f = NULL;
if (flags)
f = this->FilterMatch(user, checkline, flags);
if (!f)
/* PART or QUIT reason doesnt match a filter */
return 0;
/* We cant block a part or quit, so instead we change the reason to 'Reason filtered' */
command_t* c = ServerInstance->Parser->GetHandler(command);
if (c)
{
const char* params[127];
for (int item = 0; item < pcnt; item++)
params[item] = parameters[item];
params[replacepoint] = "Reason filtered";
/* We're blocking, OR theyre quitting and its a KILL action
* (we cant kill someone whos already quitting, so filter them anyway)
*/
if ((f->action == "block") || (((!parting) && (f->action == "kill"))) || (f->action == "silent"))
{
c->Handle(params, pcnt, user);
return 1;
}
else
{
/* Are they parting, if so, kill is applicable */
if ((parting) && (f->action == "kill"))
{
user->SetWriteError("Filtered: "+f->reason);
/* This WriteServ causes the write error to be applied.
* Its not safe to kill here with QuitUser in a PreCommand handler,
* so we do it this way, which is safe just about anywhere.
*/
user->WriteServ("NOTICE %s :*** Your PART message was filtered: %s", user->nick, f->reason.c_str());
}
if (f->action == "gline")
{
/* Note: We gline *@IP so that if their host doesnt resolve the gline still applies. */
std::string wild = "*@";
wild.append(user->GetIPString());
if (ServerInstance->XLines->add_gline(f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), wild.c_str()))
{
ServerInstance->XLines->apply_lines(APPLY_GLINES);
FOREACH_MOD(I_OnAddGLine,OnAddGLine(f->gline_time, NULL, f->reason, user->MakeHostIP()));
}
}
return 1;
}
}
return 0;
}
return 0;
}
void FilterBase::OnRehash(userrec* user, const std::string ¶meter)
{
}
Version FilterBase::GetVersion()
{
return Version(1,1,0,2,VF_VENDOR|VF_COMMON,API_VERSION);
}
std::string FilterBase::EncodeFilter(FilterResult* filter)
{
std::ostringstream stream;
std::string x = filter->freeform;
/* Hax to allow spaces in the freeform without changing the design of the irc protocol */
for (std::string::iterator n = x.begin(); n != x.end(); n++)
if (*n == ' ')
*n = '\7';
stream << x << " " << filter->action << " " << (filter->flags.empty() ? "-" : filter->flags) << " " << filter->gline_time << " :" << filter->reason;
return stream.str();
}
FilterResult FilterBase::DecodeFilter(const std::string &data)
{
FilterResult res;
irc::tokenstream tokens(data);
tokens.GetToken(res.freeform);
tokens.GetToken(res.action);
tokens.GetToken(res.flags);
if (res.flags == "-")
res.flags = "";
res.FillFlags(res.flags);
tokens.GetToken(res.gline_time);
tokens.GetToken(res.reason);
/* Hax to allow spaces in the freeform without changing the design of the irc protocol */
for (std::string::iterator n = res.freeform.begin(); n != res.freeform.end(); n++)
if (*n == '\7')
*n = ' ';
return res;
}
void FilterBase::OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
{
this->SyncFilters(proto, opaque);
}
void FilterBase::SendFilter(Module* proto, void* opaque, FilterResult* iter)
{
proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "filter", EncodeFilter(iter));
}
void FilterBase::OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
{
if ((target_type == TYPE_OTHER) && (extname == "filter"))
{
FilterResult data = DecodeFilter(extdata);
this->AddFilter(data.freeform, data.action, data.reason, data.gline_time, data.flags);
}
}
\ No newline at end of file |