From bab14f0dd2345c9d7dcbc47c918563709e1ac094 Mon Sep 17 00:00:00 2001 From: peavey Date: Mon, 16 Jul 2007 17:14:45 +0000 Subject: '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 --- src/modules/m_cgiirc.cpp | 512 +---------------------------------------------- 1 file changed, 1 insertion(+), 511 deletions(-) (limited to 'src/modules/m_cgiirc.cpp') diff --git a/src/modules/m_cgiirc.cpp b/src/modules/m_cgiirc.cpp index 290f55d22..64fd6c69f 100644 --- a/src/modules/m_cgiirc.cpp +++ b/src/modules/m_cgiirc.cpp @@ -1,511 +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 "inspircd.h" -#include "users.h" -#include "modules.h" -#include "dns.h" -#ifndef WINDOWS -#include -#include -#include -#endif - -/* $ModDesc: Change user's hosts connecting from known CGI:IRC hosts */ - -enum CGItype { PASS, IDENT, PASSFIRST, IDENTFIRST, WEBIRC }; - - -/** Holds a CGI site's details - */ -class CGIhost : public classbase -{ -public: - std::string hostmask; - CGItype type; - std::string password; - - CGIhost(const std::string &mask = "", CGItype t = IDENTFIRST, const std::string &password ="") - : hostmask(mask), type(t), password(password) - { - } -}; -typedef std::vector CGIHostlist; - -class cmd_webirc : public command_t -{ - InspIRCd* Me; - CGIHostlist Hosts; - bool notify; - public: - cmd_webirc(InspIRCd* Me, CGIHostlist &Hosts, bool notify) : command_t(Me, "WEBIRC", 0, 4, true), Hosts(Hosts), notify(notify) - { - this->source = "m_cgiirc.so"; - this->syntax = "password client hostname ip"; - } - CmdResult Handle(const char** parameters, int pcnt, userrec *user) - { - if(user->registered == REG_ALL) - return CMD_FAILURE; - - for(CGIHostlist::iterator iter = Hosts.begin(); iter != Hosts.end(); iter++) - { - if(ServerInstance->MatchText(user->host, iter->hostmask) || ServerInstance->MatchText(user->GetIPString(), iter->hostmask)) - { - if(iter->type == WEBIRC && parameters[0] == iter->password) - { - user->Extend("cgiirc_realhost", new std::string(user->host)); - user->Extend("cgiirc_realip", new std::string(user->GetIPString())); - if (notify) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", user->nick, user->host, parameters[2], user->host); - user->Extend("cgiirc_webirc_hostname", new std::string(parameters[2])); - user->Extend("cgiirc_webirc_ip", new std::string(parameters[3])); - return CMD_LOCALONLY; - } - } - } - return CMD_FAILURE; - } -}; - - -/** Resolver for CGI:IRC hostnames encoded in ident/GECOS - */ -class CGIResolver : public Resolver -{ - std::string typ; - int theirfd; - userrec* them; - bool notify; - public: - CGIResolver(Module* me, InspIRCd* ServerInstance, bool NotifyOpers, const std::string &source, bool forward, userrec* u, int userfd, const std::string &type, bool &cached) - : Resolver(ServerInstance, source, forward ? DNS_QUERY_A : DNS_QUERY_PTR4, cached, me), typ(type), theirfd(userfd), them(u), notify(NotifyOpers) { } - - virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) - { - /* Check the user still exists */ - if ((them) && (them == ServerInstance->SE->GetRef(theirfd))) - { - if (notify) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", them->nick, them->host, result.c_str(), typ.c_str()); - - strlcpy(them->host, result.c_str(), 63); - strlcpy(them->dhost, result.c_str(), 63); - strlcpy(them->ident, "~cgiirc", 8); - them->InvalidateCache(); - } - } - - virtual void OnError(ResolverError e, const std::string &errormessage) - { - if ((them) && (them == ServerInstance->SE->GetRef(theirfd))) - { - if (notify) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but their host can't be resolved from their %s!", them->nick, them->host,typ.c_str()); - } - } - - virtual ~CGIResolver() - { - } -}; - -class ModuleCgiIRC : public Module -{ - cmd_webirc* mycommand; - bool NotifyOpers; - CGIHostlist Hosts; -public: - ModuleCgiIRC(InspIRCd* Me) : Module(Me) - { - - OnRehash(NULL,""); - mycommand=new cmd_webirc(Me, Hosts, NotifyOpers); - ServerInstance->AddCommand(mycommand); - } - - void Implements(char* List) - { - List[I_OnRehash] = List[I_OnUserRegister] = List[I_OnCleanup] = List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserQuit] = List[I_OnUserConnect] = 1; - } - - virtual Priority Prioritize() - { - // We want to get here before m_cloaking and m_hostchange etc - return PRIORITY_FIRST; - } - - virtual void OnRehash(userrec* user, const std::string ¶meter) - { - ConfigReader Conf(ServerInstance); - - NotifyOpers = Conf.ReadFlag("cgiirc", "opernotice", 0); // If we send an oper notice when a CGI:IRC has their host changed. - - if(Conf.GetError() == CONF_VALUE_NOT_FOUND) - NotifyOpers = true; - - for(int i = 0; i < Conf.Enumerate("cgihost"); i++) - { - std::string hostmask = Conf.ReadValue("cgihost", "mask", i); // An allowed CGI:IRC host - std::string type = Conf.ReadValue("cgihost", "type", i); // What type of user-munging we do on this host. - std::string password = Conf.ReadValue("cgihost", "password", i); - - if(hostmask.length()) - { - if(type == "webirc" && !password.length()) { - ServerInstance->Log(DEFAULT, "m_cgiirc: Missing password in config: %s", hostmask.c_str()); - } else { - CGItype cgitype; - if(type == "pass") - cgitype = PASS; - else if(type == "ident") - cgitype = IDENT; - else if(type == "passfirst") - cgitype = PASSFIRST; - else if(type == "webirc") { - cgitype = WEBIRC; - } - Hosts.push_back(CGIhost(hostmask,cgitype, password.length() ? password : "" )); - } - } - else - { - ServerInstance->Log(DEFAULT, "m_cgiirc.so: Invalid value in config: %s", hostmask.c_str()); - continue; - } - } - } - - virtual void OnCleanup(int target_type, void* item) - { - if(target_type == TYPE_USER) - { - userrec* user = (userrec*)item; - std::string* realhost; - std::string* realip; - - if(user->GetExt("cgiirc_realhost", realhost)) - { - delete realhost; - user->Shrink("cgiirc_realhost"); - } - - if(user->GetExt("cgiirc_realip", realip)) - { - delete realip; - user->Shrink("cgiirc_realip"); - } - } - } - - virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, const std::string &extname, bool displayable) - { - if((extname == "cgiirc_realhost") || (extname == "cgiirc_realip")) - { - std::string* data; - - if(user->GetExt(extname, data)) - { - proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, *data); - } - } - } - - virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata) - { - if(target_type == TYPE_USER) - { - userrec* dest = (userrec*)target; - std::string* bleh; - if(((extname == "cgiirc_realhost") || (extname == "cgiirc_realip")) && (!dest->GetExt(extname, bleh))) - { - dest->Extend(extname, new std::string(extdata)); - } - } - } - - virtual void OnUserQuit(userrec* user, const std::string &message, const std::string &oper_message) - { - OnCleanup(TYPE_USER, user); - } - - - virtual int OnUserRegister(userrec* user) - { - for(CGIHostlist::iterator iter = Hosts.begin(); iter != Hosts.end(); iter++) - { - if(ServerInstance->MatchText(user->host, iter->hostmask) || ServerInstance->MatchText(user->GetIPString(), iter->hostmask)) - { - // Deal with it... - if(iter->type == PASS) - { - CheckPass(user); // We do nothing if it fails so... - } - else if(iter->type == PASSFIRST && !CheckPass(user)) - { - // If the password lookup failed, try the ident - CheckIdent(user); // If this fails too, do nothing - } - else if(iter->type == IDENT) - { - CheckIdent(user); // Nothing on failure. - } - else if(iter->type == IDENTFIRST && !CheckIdent(user)) - { - // If the ident lookup fails, try the password. - CheckPass(user); - } - else if(iter->type == WEBIRC) - { - // We don't need to do anything here - } - return 0; - } - } - return 0; - } - - virtual void OnUserConnect(userrec* user) - { - std::string *webirc_hostname, *webirc_ip; - if(user->GetExt("cgiirc_webirc_hostname", webirc_hostname)) - { - strlcpy(user->host,webirc_hostname->c_str(),63); - strlcpy(user->dhost,webirc_hostname->c_str(),63); - delete webirc_hostname; - user->InvalidateCache(); - user->Shrink("cgiirc_webirc_hostname"); - } - if(user->GetExt("cgiirc_webirc_ip", webirc_ip)) - { - bool valid=false; - user->RemoveCloneCounts(); -#ifdef IPV6 - valid = (inet_pton(AF_INET6, webirc_ip->c_str(), &((sockaddr_in6*)user->ip)->sin6_addr) > 0); - - if(!valid) - valid = (inet_aton(webirc_ip->c_str(), &((sockaddr_in*)user->ip)->sin_addr)); -#else - if (inet_aton(webirc_ip->c_str(), &((sockaddr_in*)user->ip)->sin_addr)) - valid = true; -#endif - - delete webirc_ip; - user->InvalidateCache(); - user->Shrink("cgiirc_webirc_ip"); - ServerInstance->AddLocalClone(user); - ServerInstance->AddGlobalClone(user); - user->CheckClass(); - } - } - - bool CheckPass(userrec* user) - { - if(IsValidHost(user->password)) - { - user->Extend("cgiirc_realhost", new std::string(user->host)); - user->Extend("cgiirc_realip", new std::string(user->GetIPString())); - strlcpy(user->host, user->password, 64); - strlcpy(user->dhost, user->password, 64); - user->InvalidateCache(); - - bool valid = false; - user->RemoveCloneCounts(); -#ifdef IPV6 - if (user->GetProtocolFamily() == AF_INET6) - valid = (inet_pton(AF_INET6, user->password, &((sockaddr_in6*)user->ip)->sin6_addr) > 0); - else - valid = (inet_aton(user->password, &((sockaddr_in*)user->ip)->sin_addr)); -#else - if (inet_aton(user->password, &((sockaddr_in*)user->ip)->sin_addr)) - valid = true; -#endif - ServerInstance->AddLocalClone(user); - ServerInstance->AddGlobalClone(user); - user->CheckClass(); - - if (valid) - { - /* We were given a IP in the password, we don't do DNS so they get this is as their host as well. */ - if(NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password); - } - else - { - /* We got as resolved hostname in the password. */ - try - { - - bool cached; - CGIResolver* r = new CGIResolver(this, ServerInstance, NotifyOpers, user->password, false, user, user->GetFd(), "PASS", cached); - ServerInstance->AddResolver(r, cached); - } - catch (...) - { - if (NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); - } - } - - *user->password = 0; - - /*if(NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password);*/ - - return true; - } - - return false; - } - - bool CheckIdent(userrec* user) - { - int ip[4]; - char* ident; - char newip[16]; - int len = strlen(user->ident); - - if(len == 8) - ident = user->ident; - else if(len == 9 && *user->ident == '~') - ident = user->ident+1; - else - return false; - - for(int i = 0; i < 4; i++) - if(!HexToInt(ip[i], ident + i*2)) - return false; - - snprintf(newip, 16, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]); - - user->Extend("cgiirc_realhost", new std::string(user->host)); - user->Extend("cgiirc_realip", new std::string(user->GetIPString())); - user->RemoveCloneCounts(); -#ifdef IPV6 - if (user->GetProtocolFamily() == AF_INET6) - inet_pton(AF_INET6, newip, &((sockaddr_in6*)user->ip)->sin6_addr); - else -#endif - inet_aton(newip, &((sockaddr_in*)user->ip)->sin_addr); - ServerInstance->AddLocalClone(user); - ServerInstance->AddGlobalClone(user); - user->CheckClass(); - try - { - strlcpy(user->host, newip, 16); - strlcpy(user->dhost, newip, 16); - strlcpy(user->ident, "~cgiirc", 8); - - bool cached; - CGIResolver* r = new CGIResolver(this, ServerInstance, NotifyOpers, newip, false, user, user->GetFd(), "IDENT", cached); - ServerInstance->AddResolver(r, cached); - } - catch (...) - { - strlcpy(user->host, newip, 16); - strlcpy(user->dhost, newip, 16); - strlcpy(user->ident, "~cgiirc", 8); - user->InvalidateCache(); - - if(NotifyOpers) - ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); - } - /*strlcpy(user->host, newip, 16); - strlcpy(user->dhost, newip, 16); - strlcpy(user->ident, "~cgiirc", 8);*/ - - return true; - } - - bool IsValidHost(const std::string &host) - { - if(!host.size()) - return false; - - for(unsigned int i = 0; i < host.size(); i++) - { - if( ((host[i] >= '0') && (host[i] <= '9')) || - ((host[i] >= 'A') && (host[i] <= 'Z')) || - ((host[i] >= 'a') && (host[i] <= 'z')) || - ((host[i] == '-') && (i > 0) && (i+1 < host.size()) && (host[i-1] != '.') && (host[i+1] != '.')) || - ((host[i] == '.') && (i > 0) && (i+1 < host.size())) ) - - continue; - else - return false; - } - - return true; - } - - bool IsValidIP(const std::string &ip) - { - if(ip.size() < 7 || ip.size() > 15) - return false; - - short sincedot = 0; - short dots = 0; - - for(unsigned int i = 0; i < ip.size(); i++) - { - if((dots <= 3) && (sincedot <= 3)) - { - if((ip[i] >= '0') && (ip[i] <= '9')) - { - sincedot++; - } - else if(ip[i] == '.') - { - sincedot = 0; - dots++; - } - } - else - { - return false; - - } - } - - if(dots != 3) - return false; - - return true; - } - - bool HexToInt(int &out, const char* in) - { - char ip[3]; - ip[0] = in[0]; - ip[1] = in[1]; - ip[2] = 0; - out = strtol(ip, NULL, 16); - - if(out > 255 || out < 0) - return false; - - return true; - } - - virtual ~ModuleCgiIRC() - { - } - - virtual Version GetVersion() - { - return Version(1,1,0,0,VF_VENDOR,API_VERSION); - } - -}; - -MODULE_INIT(ModuleCgiIRC) +/* +------------------------------------+ * | 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 "inspircd.h" #include "users.h" #include "modules.h" #include "dns.h" #ifndef WINDOWS #include #include #include #endif /* $ModDesc: Change user's hosts connecting from known CGI:IRC hosts */ enum CGItype { PASS, IDENT, PASSFIRST, IDENTFIRST, WEBIRC }; /** Holds a CGI site's details */ class CGIhost : public classbase { public: std::string hostmask; CGItype type; std::string password; CGIhost(const std::string &mask = "", CGItype t = IDENTFIRST, const std::string &password ="") : hostmask(mask), type(t), password(password) { } }; typedef std::vector CGIHostlist; class cmd_webirc : public command_t { InspIRCd* Me; CGIHostlist Hosts; bool notify; public: cmd_webirc(InspIRCd* Me, CGIHostlist &Hosts, bool notify) : command_t(Me, "WEBIRC", 0, 4, true), Hosts(Hosts), notify(notify) { this->source = "m_cgiirc.so"; this->syntax = "password client hostname ip"; } CmdResult Handle(const char** parameters, int pcnt, userrec *user) { if(user->registered == REG_ALL) return CMD_FAILURE; for(CGIHostlist::iterator iter = Hosts.begin(); iter != Hosts.end(); iter++) { if(ServerInstance->MatchText(user->host, iter->hostmask) || ServerInstance->MatchText(user->GetIPString(), iter->hostmask)) { if(iter->type == WEBIRC && parameters[0] == iter->password) { user->Extend("cgiirc_realhost", new std::string(user->host)); user->Extend("cgiirc_realip", new std::string(user->GetIPString())); if (notify) ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", user->nick, user->host, parameters[2], user->host); user->Extend("cgiirc_webirc_hostname", new std::string(parameters[2])); user->Extend("cgiirc_webirc_ip", new std::string(parameters[3])); return CMD_LOCALONLY; } } } return CMD_FAILURE; } }; /** Resolver for CGI:IRC hostnames encoded in ident/GECOS */ class CGIResolver : public Resolver { std::string typ; int theirfd; userrec* them; bool notify; public: CGIResolver(Module* me, InspIRCd* ServerInstance, bool NotifyOpers, const std::string &source, bool forward, userrec* u, int userfd, const std::string &type, bool &cached) : Resolver(ServerInstance, source, forward ? DNS_QUERY_A : DNS_QUERY_PTR4, cached, me), typ(type), theirfd(userfd), them(u), notify(NotifyOpers) { } virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) { /* Check the user still exists */ if ((them) && (them == ServerInstance->SE->GetRef(theirfd))) { if (notify) ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from %s", them->nick, them->host, result.c_str(), typ.c_str()); strlcpy(them->host, result.c_str(), 63); strlcpy(them->dhost, result.c_str(), 63); strlcpy(them->ident, "~cgiirc", 8); them->InvalidateCache(); } } virtual void OnError(ResolverError e, const std::string &errormessage) { if ((them) && (them == ServerInstance->SE->GetRef(theirfd))) { if (notify) ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but their host can't be resolved from their %s!", them->nick, them->host,typ.c_str()); } } virtual ~CGIResolver() { } }; class ModuleCgiIRC : public Module { cmd_webirc* mycommand; bool NotifyOpers; CGIHostlist Hosts; public: ModuleCgiIRC(InspIRCd* Me) : Module(Me) { OnRehash(NULL,""); mycommand=new cmd_webirc(Me, Hosts, NotifyOpers); ServerInstance->AddCommand(mycommand); } void Implements(char* List) { List[I_OnRehash] = List[I_OnUserRegister] = List[I_OnCleanup] = List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserQuit] = List[I_OnUserConnect] = 1; } virtual Priority Prioritize() { // We want to get here before m_cloaking and m_hostchange etc return PRIORITY_FIRST; } virtual void OnRehash(userrec* user, const std::string ¶meter) { ConfigReader Conf(ServerInstance); NotifyOpers = Conf.ReadFlag("cgiirc", "opernotice", 0); // If we send an oper notice when a CGI:IRC has their host changed. if(Conf.GetError() == CONF_VALUE_NOT_FOUND) NotifyOpers = true; for(int i = 0; i < Conf.Enumerate("cgihost"); i++) { std::string hostmask = Conf.ReadValue("cgihost", "mask", i); // An allowed CGI:IRC host std::string type = Conf.ReadValue("cgihost", "type", i); // What type of user-munging we do on this host. std::string password = Conf.ReadValue("cgihost", "password", i); if(hostmask.length()) { if(type == "webirc" && !password.length()) { ServerInstance->Log(DEFAULT, "m_cgiirc: Missing password in config: %s", hostmask.c_str()); } else { CGItype cgitype; if(type == "pass") cgitype = PASS; else if(type == "ident") cgitype = IDENT; else if(type == "passfirst") cgitype = PASSFIRST; else if(type == "webirc") { cgitype = WEBIRC; } Hosts.push_back(CGIhost(hostmask,cgitype, password.length() ? password : "" )); } } else { ServerInstance->Log(DEFAULT, "m_cgiirc.so: Invalid value in config: %s", hostmask.c_str()); continue; } } } virtual void OnCleanup(int target_type, void* item) { if(target_type == TYPE_USER) { userrec* user = (userrec*)item; std::string* realhost; std::string* realip; if(user->GetExt("cgiirc_realhost", realhost)) { delete realhost; user->Shrink("cgiirc_realhost"); } if(user->GetExt("cgiirc_realip", realip)) { delete realip; user->Shrink("cgiirc_realip"); } } } virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, const std::string &extname, bool displayable) { if((extname == "cgiirc_realhost") || (extname == "cgiirc_realip")) { std::string* data; if(user->GetExt(extname, data)) { proto->ProtoSendMetaData(opaque, TYPE_USER, user, extname, *data); } } } virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata) { if(target_type == TYPE_USER) { userrec* dest = (userrec*)target; std::string* bleh; if(((extname == "cgiirc_realhost") || (extname == "cgiirc_realip")) && (!dest->GetExt(extname, bleh))) { dest->Extend(extname, new std::string(extdata)); } } } virtual void OnUserQuit(userrec* user, const std::string &message, const std::string &oper_message) { OnCleanup(TYPE_USER, user); } virtual int OnUserRegister(userrec* user) { for(CGIHostlist::iterator iter = Hosts.begin(); iter != Hosts.end(); iter++) { if(ServerInstance->MatchText(user->host, iter->hostmask) || ServerInstance->MatchText(user->GetIPString(), iter->hostmask)) { // Deal with it... if(iter->type == PASS) { CheckPass(user); // We do nothing if it fails so... } else if(iter->type == PASSFIRST && !CheckPass(user)) { // If the password lookup failed, try the ident CheckIdent(user); // If this fails too, do nothing } else if(iter->type == IDENT) { CheckIdent(user); // Nothing on failure. } else if(iter->type == IDENTFIRST && !CheckIdent(user)) { // If the ident lookup fails, try the password. CheckPass(user); } else if(iter->type == WEBIRC) { // We don't need to do anything here } return 0; } } return 0; } virtual void OnUserConnect(userrec* user) { std::string *webirc_hostname, *webirc_ip; if(user->GetExt("cgiirc_webirc_hostname", webirc_hostname)) { strlcpy(user->host,webirc_hostname->c_str(),63); strlcpy(user->dhost,webirc_hostname->c_str(),63); delete webirc_hostname; user->InvalidateCache(); user->Shrink("cgiirc_webirc_hostname"); } if(user->GetExt("cgiirc_webirc_ip", webirc_ip)) { bool valid=false; user->RemoveCloneCounts(); #ifdef IPV6 valid = (inet_pton(AF_INET6, webirc_ip->c_str(), &((sockaddr_in6*)user->ip)->sin6_addr) > 0); if(!valid) valid = (inet_aton(webirc_ip->c_str(), &((sockaddr_in*)user->ip)->sin_addr)); #else if (inet_aton(webirc_ip->c_str(), &((sockaddr_in*)user->ip)->sin_addr)) valid = true; #endif delete webirc_ip; user->InvalidateCache(); user->Shrink("cgiirc_webirc_ip"); ServerInstance->AddLocalClone(user); ServerInstance->AddGlobalClone(user); user->CheckClass(); } } bool CheckPass(userrec* user) { if(IsValidHost(user->password)) { user->Extend("cgiirc_realhost", new std::string(user->host)); user->Extend("cgiirc_realip", new std::string(user->GetIPString())); strlcpy(user->host, user->password, 64); strlcpy(user->dhost, user->password, 64); user->InvalidateCache(); bool valid = false; user->RemoveCloneCounts(); #ifdef IPV6 if (user->GetProtocolFamily() == AF_INET6) valid = (inet_pton(AF_INET6, user->password, &((sockaddr_in6*)user->ip)->sin6_addr) > 0); else valid = (inet_aton(user->password, &((sockaddr_in*)user->ip)->sin_addr)); #else if (inet_aton(user->password, &((sockaddr_in*)user->ip)->sin_addr)) valid = true; #endif ServerInstance->AddLocalClone(user); ServerInstance->AddGlobalClone(user); user->CheckClass(); if (valid) { /* We were given a IP in the password, we don't do DNS so they get this is as their host as well. */ if(NotifyOpers) ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password); } else { /* We got as resolved hostname in the password. */ try { bool cached; CGIResolver* r = new CGIResolver(this, ServerInstance, NotifyOpers, user->password, false, user, user->GetFd(), "PASS", cached); ServerInstance->AddResolver(r, cached); } catch (...) { if (NotifyOpers) ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); } } *user->password = 0; /*if(NotifyOpers) ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), changing real host to %s from PASS", user->nick, user->host, user->password);*/ return true; } return false; } bool CheckIdent(userrec* user) { int ip[4]; char* ident; char newip[16]; int len = strlen(user->ident); if(len == 8) ident = user->ident; else if(len == 9 && *user->ident == '~') ident = user->ident+1; else return false; for(int i = 0; i < 4; i++) if(!HexToInt(ip[i], ident + i*2)) return false; snprintf(newip, 16, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]); user->Extend("cgiirc_realhost", new std::string(user->host)); user->Extend("cgiirc_realip", new std::string(user->GetIPString())); user->RemoveCloneCounts(); #ifdef IPV6 if (user->GetProtocolFamily() == AF_INET6) inet_pton(AF_INET6, newip, &((sockaddr_in6*)user->ip)->sin6_addr); else #endif inet_aton(newip, &((sockaddr_in*)user->ip)->sin_addr); ServerInstance->AddLocalClone(user); ServerInstance->AddGlobalClone(user); user->CheckClass(); try { strlcpy(user->host, newip, 16); strlcpy(user->dhost, newip, 16); strlcpy(user->ident, "~cgiirc", 8); bool cached; CGIResolver* r = new CGIResolver(this, ServerInstance, NotifyOpers, newip, false, user, user->GetFd(), "IDENT", cached); ServerInstance->AddResolver(r, cached); } catch (...) { strlcpy(user->host, newip, 16); strlcpy(user->dhost, newip, 16); strlcpy(user->ident, "~cgiirc", 8); user->InvalidateCache(); if(NotifyOpers) ServerInstance->WriteOpers("*** Connecting user %s detected as using CGI:IRC (%s), but i could not resolve their hostname!", user->nick, user->host); } /*strlcpy(user->host, newip, 16); strlcpy(user->dhost, newip, 16); strlcpy(user->ident, "~cgiirc", 8);*/ return true; } bool IsValidHost(const std::string &host) { if(!host.size()) return false; for(unsigned int i = 0; i < host.size(); i++) { if( ((host[i] >= '0') && (host[i] <= '9')) || ((host[i] >= 'A') && (host[i] <= 'Z')) || ((host[i] >= 'a') && (host[i] <= 'z')) || ((host[i] == '-') && (i > 0) && (i+1 < host.size()) && (host[i-1] != '.') && (host[i+1] != '.')) || ((host[i] == '.') && (i > 0) && (i+1 < host.size())) ) continue; else return false; } return true; } bool IsValidIP(const std::string &ip) { if(ip.size() < 7 || ip.size() > 15) return false; short sincedot = 0; short dots = 0; for(unsigned int i = 0; i < ip.size(); i++) { if((dots <= 3) && (sincedot <= 3)) { if((ip[i] >= '0') && (ip[i] <= '9')) { sincedot++; } else if(ip[i] == '.') { sincedot = 0; dots++; } } else { return false; } } if(dots != 3) return false; return true; } bool HexToInt(int &out, const char* in) { char ip[3]; ip[0] = in[0]; ip[1] = in[1]; ip[2] = 0; out = strtol(ip, NULL, 16); if(out > 255 || out < 0) return false; return true; } virtual ~ModuleCgiIRC() { } virtual Version GetVersion() { return Version(1,1,0,0,VF_VENDOR,API_VERSION); } }; MODULE_INIT(ModuleCgiIRC) \ No newline at end of file -- cgit v1.2.3