X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmodules%2Fextra%2Fm_ssl_openssl.cpp;h=83fa94e96c8b785243b68bb40247fa5a736bd0e4;hb=b07868e77c0527642ed72bce84bf5895bf921e87;hp=4ce21c80520e91c2c54ba1260ea5aba5c29a6032;hpb=b57c7f4e466f72fdd2ac3deca42caa1ea7748338;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/extra/m_ssl_openssl.cpp b/src/modules/extra/m_ssl_openssl.cpp index 4ce21c805..83fa94e96 100644 --- a/src/modules/extra/m_ssl_openssl.cpp +++ b/src/modules/extra/m_ssl_openssl.cpp @@ -2,7 +2,7 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * InspIRCd: (C) 2002-2008 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see @@ -16,10 +16,6 @@ #include #include -#ifdef WINDOWS -#include -#endif - #include "configreader.h" #include "users.h" #include "channels.h" @@ -41,19 +37,24 @@ /* $CompileFlags: pkgconfversion("openssl","0.9.7") pkgconfincludes("openssl","/openssl/ssl.h","") */ /* $LinkerFlags: rpath("pkg-config --libs openssl") pkgconflibs("openssl","/libssl.so","-lssl -lcrypto -ldl") */ /* $ModDep: transport.h */ +/* $NoPedantic */ +/* $CopyInstall: conf/key.pem $(CONPATH) */ +/* $CopyInstall: conf/cert.pem $(CONPATH) */ enum issl_status { ISSL_NONE, ISSL_HANDSHAKING, ISSL_OPEN }; enum issl_io_status { ISSL_WRITE, ISSL_READ }; static bool SelfSigned = false; -bool isin(int port, const std::vector &portlist) +bool isin(const std::string &host, int port, const std::vector &portlist) { - for(unsigned int i = 0; i < portlist.size(); i++) - if(portlist[i] == port) - return true; + if (std::find(portlist.begin(), portlist.end(), "*:" + ConvToStr(port)) != portlist.end()) + return true; + + if (std::find(portlist.begin(), portlist.end(), ":" + ConvToStr(port)) != portlist.end()) + return true; - return false; + return std::find(portlist.begin(), portlist.end(), host + ":" + ConvToStr(port)) != portlist.end(); } char* get_error() @@ -103,10 +104,10 @@ static int OnVerify(int preverify_ok, X509_STORE_CTX *ctx) class ModuleSSLOpenSSL : public Module { - std::vector listenports; + std::vector listenports; int inbufsize; - issl_session sessions[MAX_DESCRIPTORS]; + issl_session* sessions; SSL_CTX* ctx; SSL_CTX* clictx; @@ -130,7 +131,9 @@ class ModuleSSLOpenSSL : public Module ModuleSSLOpenSSL(InspIRCd* Me) : Module(Me), PublicInstance(Me) { - ServerInstance->Modules->PublishInterface("InspSocketHook", this); + ServerInstance->Modules->PublishInterface("BufferedSocketHook", this); + + sessions = new issl_session[ServerInstance->SE->GetMaxFds()]; // Not rehashable...because I cba to reduce all the sizes of existing buffers. inbufsize = ServerInstance->Config->NetBufferSize; @@ -150,64 +153,70 @@ class ModuleSSLOpenSSL : public Module // Needs the flag as it ignores a plain /rehash OnRehash(NULL,"ssl"); + Implementation eventlist[] = { I_OnRawSocketConnect, I_OnRawSocketAccept, I_OnRawSocketClose, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnCleanup, I_On005Numeric, + I_OnBufferFlushed, I_OnRequest, I_OnSyncUserMetaData, I_OnDecodeMetaData, I_OnUnloadModule, I_OnRehash, I_OnWhois, I_OnPostConnect, I_OnHookUserIO }; + ServerInstance->Modules->Attach(eventlist, this, 16); } - virtual void OnRehash(User* user, const std::string ¶m) + virtual void OnHookUserIO(User* user, const std::string &targetip) { - if (param != "ssl") - return; - - ConfigReader Conf(ServerInstance); - - for (unsigned int i = 0; i < listenports.size(); i++) + if (!user->io && isin(targetip,user->GetPort(), listenports)) { - ServerInstance->Config->DelIOHook(listenports[i]); + /* Hook the user with our module */ + user->io = this; } + } - listenports.clear(); - clientactive = 0; - sslports.clear(); + virtual void OnRehash(User* user, const std::string ¶m) + { + ConfigReader Conf(ServerInstance); - for (int i = 0; i < Conf.Enumerate("bind"); i++) - { - // For each tag - std::string x = Conf.ReadValue("bind", "type", i); - if (((x.empty()) || (x == "clients")) && (Conf.ReadValue("bind", "ssl", i) == "openssl")) - { - // Get the port we're meant to be listening on with SSL - std::string port = Conf.ReadValue("bind", "port", i); - irc::portparser portrange(port, false); - long portno = -1; - while ((portno = portrange.GetToken())) - { - clientactive++; - try - { - if (ServerInstance->Config->AddIOHook(portno, this)) - { - listenports.push_back(portno); - for (size_t i = 0; i < ServerInstance->Config->ports.size(); i++) - if (ServerInstance->Config->ports[i]->GetPort() == portno) - ServerInstance->Config->ports[i]->SetDescription("ssl"); - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Enabling SSL for port %d", portno); - sslports.append("*:").append(ConvToStr(portno)).append(";"); - } - else - { - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: FAILED to enable SSL on port %d, maybe you have another ssl or similar module loaded?", portno); - } - } - catch (ModuleException &e) - { - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: FAILED to enable SSL on port %d: %s. Maybe it's already hooked by the same port on a different IP, or you have another SSL or similar module loaded?", portno, e.GetReason()); - } - } - } - } + listenports.clear(); + clientactive = 0; + sslports.clear(); + + for(int index = 0; index < Conf.Enumerate("bind"); index++) + { + // For each tag + std::string x = Conf.ReadValue("bind", "type", index); + if(((x.empty()) || (x == "clients")) && (Conf.ReadValue("bind", "ssl", index) == "openssl")) + { + // Get the port we're meant to be listening on with SSL + std::string port = Conf.ReadValue("bind", "port", index); + std::string addr = Conf.ReadValue("bind", "address", index); + + irc::portparser portrange(port, false); + long portno = -1; + while ((portno = portrange.GetToken())) + { + clientactive++; + try + { + listenports.push_back(addr + ":" + ConvToStr(portno)); + + for (size_t i = 0; i < ServerInstance->Config->ports.size(); i++) + if ((ServerInstance->Config->ports[i]->GetPort() == portno) && (ServerInstance->Config->ports[i]->GetIP() == addr)) + ServerInstance->Config->ports[i]->SetDescription("ssl"); + ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_gnutls.so: Enabling SSL for port %ld", portno); + + sslports.append((addr.empty() ? "*" : addr)).append(":").append(ConvToStr(portno)).append(";"); + } + catch (ModuleException &e) + { + ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_gnutls.so: FAILED to enable SSL on port %ld: %s. Maybe it's already hooked by the same port on a different IP, or you have an other SSL or similar module loaded?", portno, e.GetReason()); + } + } + } + } if (!sslports.empty()) sslports.erase(sslports.end() - 1); + if (param != "ssl") + { + return; + } + std::string confdir(ServerInstance->ConfigFileName); // +1 so we the path ends with a / confdir = confdir.substr(0, confdir.find_last_of('/') + 1); @@ -248,20 +257,20 @@ class ModuleSSLOpenSSL : public Module */ if ((!SSL_CTX_use_certificate_chain_file(ctx, certfile.c_str())) || (!SSL_CTX_use_certificate_chain_file(clictx, certfile.c_str()))) { - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read certificate file %s. %s", certfile.c_str(), strerror(errno)); + ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_openssl.so: Can't read certificate file %s. %s", certfile.c_str(), strerror(errno)); ERR_print_errors_cb(error_callback, this); } if (((!SSL_CTX_use_PrivateKey_file(ctx, keyfile.c_str(), SSL_FILETYPE_PEM))) || (!SSL_CTX_use_PrivateKey_file(clictx, keyfile.c_str(), SSL_FILETYPE_PEM))) { - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read key file %s. %s", keyfile.c_str(), strerror(errno)); + ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_openssl.so: Can't read key file %s. %s", keyfile.c_str(), strerror(errno)); ERR_print_errors_cb(error_callback, this); } /* Load the CAs we trust*/ if (((!SSL_CTX_load_verify_locations(ctx, cafile.c_str(), 0))) || (!SSL_CTX_load_verify_locations(clictx, cafile.c_str(), 0))) { - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Can't read CA list from %s. %s", cafile.c_str(), strerror(errno)); + ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_openssl.so: Can't read CA list from %s. %s", cafile.c_str(), strerror(errno)); ERR_print_errors_cb(error_callback, this); } @@ -270,7 +279,7 @@ class ModuleSSLOpenSSL : public Module if (dhpfile == NULL) { - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so Couldn't open DH file %s: %s", dhfile.c_str(), strerror(errno)); + ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_openssl.so Couldn't open DH file %s: %s", dhfile.c_str(), strerror(errno)); throw ModuleException("Couldn't open DH file " + dhfile + ": " + strerror(errno)); } else @@ -278,7 +287,7 @@ class ModuleSSLOpenSSL : public Module ret = PEM_read_DHparams(dhpfile, NULL, NULL, NULL); if ((SSL_CTX_set_tmp_dh(ctx, ret) < 0) || (SSL_CTX_set_tmp_dh(clictx, ret) < 0)) { - ServerInstance->Log(DEFAULT, "m_ssl_openssl.so: Couldn't set DH parameters %s. SSL errors follow:", dhfile.c_str()); + ServerInstance->Logs->Log("m_ssl_openssl",DEFAULT, "m_ssl_openssl.so: Couldn't set DH parameters %s. SSL errors follow:", dhfile.c_str()); ERR_print_errors_cb(error_callback, this); } } @@ -295,6 +304,8 @@ class ModuleSSLOpenSSL : public Module { SSL_CTX_free(ctx); SSL_CTX_free(clictx); + ServerInstance->Modules->UnpublishInterface("BufferedSocketHook", this); + delete[] sessions; } virtual void OnCleanup(int target_type, void* item) @@ -303,19 +314,21 @@ class ModuleSSLOpenSSL : public Module { User* user = (User*)item; - if (user->GetExt("ssl", dummy) && IS_LOCAL(user) && isin(user->GetPort(), listenports)) + if (user->GetExt("ssl", dummy) && IS_LOCAL(user) && user->io == this) { // User is using SSL, they're a local user, and they're using one of *our* SSL ports. // Potentially there could be multiple SSL modules loaded at once on different ports. User::QuitUser(ServerInstance, user, "SSL module unloading"); } - if (user->GetExt("ssl_cert", dummy) && isin(user->GetPort(), listenports)) + if (user->GetExt("ssl_cert", dummy)) { ssl_cert* tofree; user->GetExt("ssl_cert", tofree); delete tofree; user->Shrink("ssl_cert"); } + + user->io = NULL; } } @@ -325,9 +338,8 @@ class ModuleSSLOpenSSL : public Module { for(unsigned int i = 0; i < listenports.size(); i++) { - ServerInstance->Config->DelIOHook(listenports[i]); for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++) - if (ServerInstance->Config->ports[j]->GetPort() == listenports[i]) + if (listenports[i] == (ServerInstance->Config->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->Config->ports[j]->GetPort()))) ServerInstance->Config->ports[j]->SetDescription("plaintext"); } } @@ -335,16 +347,11 @@ class ModuleSSLOpenSSL : public Module virtual Version GetVersion() { - return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION); + return Version(1, 2, 0, 0, VF_VENDOR, API_VERSION); } - void Implements(char* List) - { - List[I_OnRawSocketConnect] = List[I_OnRawSocketAccept] = List[I_OnRawSocketClose] = List[I_OnRawSocketRead] = List[I_OnRawSocketWrite] = List[I_OnCleanup] = List[I_On005Numeric] = 1; - List[I_OnBufferFlushed] = List[I_OnRequest] = List[I_OnSyncUserMetaData] = List[I_OnDecodeMetaData] = List[I_OnUnloadModule] = List[I_OnRehash] = List[I_OnWhois] = List[I_OnPostConnect] = 1; - } - virtual char* OnRequest(Request* request) + virtual const char* OnRequest(Request* request) { ISHRequest* ISR = (ISHRequest*)request; if (strcmp("IS_NAME", request->GetId()) == 0) @@ -353,10 +360,10 @@ class ModuleSSLOpenSSL : public Module } else if (strcmp("IS_HOOK", request->GetId()) == 0) { - char* ret = "OK"; + const char* ret = "OK"; try { - ret = ServerInstance->Config->AddIOHook((Module*)this, (InspSocket*)ISR->Sock) ? (char*)"OK" : NULL; + ret = ServerInstance->Config->AddIOHook((Module*)this, (BufferedSocket*)ISR->Sock) ? "OK" : NULL; } catch (ModuleException &e) { @@ -367,22 +374,22 @@ class ModuleSSLOpenSSL : public Module } else if (strcmp("IS_UNHOOK", request->GetId()) == 0) { - return ServerInstance->Config->DelIOHook((InspSocket*)ISR->Sock) ? (char*)"OK" : NULL; + return ServerInstance->Config->DelIOHook((BufferedSocket*)ISR->Sock) ? "OK" : NULL; } else if (strcmp("IS_HSDONE", request->GetId()) == 0) { if (ISR->Sock->GetFd() < 0) - return (char*)"OK"; + return "OK"; issl_session* session = &sessions[ISR->Sock->GetFd()]; - return (session->status == ISSL_HANDSHAKING) ? NULL : (char*)"OK"; + return (session->status == ISSL_HANDSHAKING) ? NULL : "OK"; } else if (strcmp("IS_ATTACH", request->GetId()) == 0) { issl_session* session = &sessions[ISR->Sock->GetFd()]; if (session->sess) { - VerifyCertificate(session, (InspSocket*)ISR->Sock); + VerifyCertificate(session, (BufferedSocket*)ISR->Sock); return "OK"; } } @@ -393,7 +400,7 @@ class ModuleSSLOpenSSL : public Module virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport) { /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */ - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) + if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1)) return; issl_session* session = &sessions[fd]; @@ -410,7 +417,7 @@ class ModuleSSLOpenSSL : public Module if (SSL_set_fd(session->sess, fd) == 0) { - ServerInstance->Log(DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd); + ServerInstance->Logs->Log("m_ssl_openssl",DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd); return; } @@ -420,7 +427,7 @@ class ModuleSSLOpenSSL : public Module virtual void OnRawSocketConnect(int fd) { /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */ - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) + if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() -1)) return; issl_session* session = &sessions[fd]; @@ -437,7 +444,7 @@ class ModuleSSLOpenSSL : public Module if (SSL_set_fd(session->sess, fd) == 0) { - ServerInstance->Log(DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd); + ServerInstance->Logs->Log("m_ssl_openssl",DEBUG,"BUG: Can't set fd with SSL_set_fd: %d", fd); return; } @@ -447,7 +454,7 @@ class ModuleSSLOpenSSL : public Module virtual void OnRawSocketClose(int fd) { /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */ - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) + if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1)) return; CloseSession(&sessions[fd]); @@ -466,7 +473,7 @@ class ModuleSSLOpenSSL : public Module virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult) { /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */ - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) + if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1)) return 0; issl_session* session = &sessions[fd]; @@ -510,10 +517,6 @@ class ModuleSSLOpenSSL : public Module { int ret = DoRead(session); - ServerInstance->Log(DEBUG, "<***> DoRead count: " + ConvToStr(count)); - ServerInstance->Log(DEBUG, "<***> DoRead ret: " + ConvToStr(ret)); - ServerInstance->Log(DEBUG, "<***> DoRead session->inbufoffset: " + ConvToStr(session->inbufoffset)); - if (ret > 0) { if (count <= session->inbufoffset) @@ -535,13 +538,9 @@ class ModuleSSLOpenSSL : public Module // Zero the offset, as there's nothing there.. session->inbufoffset = 0; } - return 1; } - else - { - return ret; - } + return ret; } } @@ -551,7 +550,7 @@ class ModuleSSLOpenSSL : public Module virtual int OnRawSocketWrite(int fd, const char* buffer, int count) { /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */ - if ((fd < 0) || (fd > MAX_DESCRIPTORS)) + if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() - 1)) return 0; issl_session* session = &sessions[fd]; @@ -682,7 +681,7 @@ class ModuleSSLOpenSSL : public Module return; // Bugfix, only send this numeric for *our* SSL users - if (dest->GetExt("ssl", dummy) || (IS_LOCAL(dest) && isin(dest->GetPort(), listenports))) + if (dest->GetExt("ssl", dummy) || ((IS_LOCAL(dest) && dest->io == this))) { ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick, dest->nick); } @@ -722,9 +721,7 @@ class ModuleSSLOpenSSL : public Module int ret; if (session->outbound) - { ret = SSL_connect(session->sess); - } else ret = SSL_accept(session->sess); @@ -771,10 +768,6 @@ class ModuleSSLOpenSSL : public Module } else if (ret == 0) { - int ssl_err = SSL_get_error(session->sess, ret); - char buf[1024]; - ERR_print_errors_fp(stderr); - ServerInstance->Log(DEBUG,"Handshake fail 2: %d: %s", ssl_err, ERR_error_string(ssl_err,buf)); CloseSession(session); return true; } @@ -790,13 +783,13 @@ class ModuleSSLOpenSSL : public Module { // Tell whatever protocol module we're using that we need to inform other servers of this metadata NOW. std::deque* metadata = new std::deque; - metadata->push_back(user->nick); + metadata->push_back(user->uuid); metadata->push_back("ssl"); // The metadata id metadata->push_back("ON"); // The value to send Event* event = new Event((char*)metadata,(Module*)this,"send_metadata"); event->Send(ServerInstance); // Trigger the event. We don't care what module picks it up. - DELETE(event); - DELETE(metadata); + delete event; + delete metadata; VerifyCertificate(&sessions[user->GetFd()], user); if (sessions[user->GetFd()].sess) @@ -809,7 +802,9 @@ class ModuleSSLOpenSSL : public Module //OnRawSocketWrite(session->fd, NULL, 0); EventHandler* eh = ServerInstance->FindDescriptor(session->fd); if (eh) + { ServerInstance->SE->WantWrite(eh); + } } virtual void OnBufferFlushed(User* user) @@ -894,13 +889,20 @@ class ModuleSSLOpenSSL : public Module X509_free(cert); } + + void Prioritize() + { + Module* server = ServerInstance->Modules->Find("m_spanningtree.so"); + ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIO_AFTER, &server); + } + }; static int error_callback(const char *str, size_t len, void *u) { ModuleSSLOpenSSL* mssl = (ModuleSSLOpenSSL*)u; - mssl->PublicInstance->Log(DEFAULT, "SSL error: " + std::string(str, len - 1)); + mssl->PublicInstance->Logs->Log("m_ssl_openssl",DEFAULT, "SSL error: " + std::string(str, len - 1)); return 0; } -MODULE_INIT(ModuleSSLOpenSSL); +MODULE_INIT(ModuleSSLOpenSSL)