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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2011 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "ssl.h"
/* $ModDesc: Provides support for secure-only channels, queries and notices. */
/** Handle channel mode +z
*/
class SSLMode : public ModeHandler
{
public:
dynamic_reference<UserCertificateProvider> sslinfo;
SSLMode(Module* Creator) : ModeHandler(Creator, "sslonly", 'z', PARAM_NONE, MODETYPE_CHANNEL),
sslinfo("sslinfo") { fixed_letter = false; }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (adding)
{
if (!channel->IsModeSet(this))
{
if (IS_LOCAL(source))
{
const UserMembList* userlist = channel->GetUsers();
for(UserMembCIter i = userlist->begin(); i != userlist->end(); i++)
{
if ((!sslinfo || !sslinfo->GetCert(i->first)) && !ServerInstance->ULine(i->first->server))
{
source->WriteNumeric(ERR_ALLMUSTSSL, "%s %s :all members of the channel must be connected via SSL", source->nick.c_str(), channel->name.c_str());
return MODEACTION_DENY;
}
}
}
channel->SetMode(this,true);
return MODEACTION_ALLOW;
}
else
{
return MODEACTION_DENY;
}
}
else
{
if (channel->IsModeSet(this))
{
channel->SetMode(this,false);
return MODEACTION_ALLOW;
}
return MODEACTION_DENY;
}
}
};
/** Handles umode z
*/
class SSLModeUser : public ModeHandler
{
public:
dynamic_reference<UserCertificateProvider> sslinfo;
SSLModeUser(Module* Creator) : ModeHandler(Creator, "secure_queries", 'z', PARAM_NONE, MODETYPE_USER), sslinfo("sslinfo") { fixed_letter = false; }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (adding)
{
if (!dest->IsModeSet('z') && sslinfo->GetCert(dest))
{
dest->SetMode('z', true);
return MODEACTION_ALLOW;
}
}
else
{
if (dest->IsModeSet('z'))
{
dest->SetMode('z', false);
return MODEACTION_ALLOW;
}
}
return MODEACTION_DENY;
}
};
class ModuleSSLModes : public Module
{
SSLMode sslm;
SSLModeUser sslpm;
public:
ModuleSSLModes() : sslm(this), sslpm(this) {}
void init()
{
ServerInstance->Modules->AddService(sslm);
ServerInstance->Modules->AddService(sslpm);
Implementation eventlist[] = { I_OnCheckJoin, I_OnCheckBan, I_On005Numeric, I_OnUserPreMessage, I_OnUserPreNotice };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
void OnCheckJoin(ChannelPermissionData& join)
{
if (!join.chan || join.result != MOD_RES_PASSTHRU || !join.chan->IsModeSet(&sslm))
return;
if (!sslm.sslinfo || !sslm.sslinfo->GetCert(join.user))
{
join.ErrorNumeric(489, "%s :Cannot join channel; SSL users only (+z)", join.chan->name.c_str());
join.result = MOD_RES_DENY;
}
}
ModResult OnCheckBan(User *user, Channel *c, const std::string& mask)
{
if (mask[0] == 'z' && mask[1] == ':' && sslm.sslinfo)
{
if (InspIRCd::Match(sslm.sslinfo->GetFingerprint(user), mask.substr(2)))
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_USER)
{
User* t = (User*)dest;
// If recieving is +z and sending is not ulined
if (t->IsModeSet('z') && !ServerInstance->ULine(user->server))
{
if (!sslpm.sslinfo || !sslpm.sslinfo->GetCert(user))
{
user->WriteNumeric(ERR_CANTSENDTOUSER, "%s %s :You are not permitted to send private messages to this user (+z set)", user->nick.c_str(), t->nick.c_str());
return MOD_RES_DENY;
}
}
else if (user->IsModeSet('z') && !ServerInstance->ULine(t->server))
{
// If sending is +z and recieving is not ulined
if (!sslpm.sslinfo || !sslpm.sslinfo->GetCert(t))
{
user->WriteNumeric(ERR_CANTSENDTOUSER, "%s %s :You must remove usermode 'z' before you are able to send private messages to a non-ssl user.", user->nick.c_str(), t->nick.c_str());
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
ModResult OnUserPreNotice(User* user, void* dest, int target_type, std::string &text, char status, CUList &exempt_list)
{
return OnUserPreMessage(user, dest, target_type, text, status, exempt_list);
}
~ModuleSSLModes()
{
}
void On005Numeric(std::string &output)
{
ServerInstance->AddExtBanChar('z');
}
Version GetVersion()
{
return Version("Provides support for secure-only channels, queries and notices.", VF_VENDOR);
}
};
MODULE_INIT(ModuleSSLModes)
|
