X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fextra%2Fm_ssl_openssl.cpp;h=0c9307ae4e8e525b66adde5e3f187f695180eaab;hb=6e8677f9254d00541f8e37e88af3adab14638b11;hp=4696f035780b961093420050f5ed59ea4625e1a2;hpb=6ac3f63ce08dd743ba9c4636a911f6d7d66db894;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 4696f0357..0c9307ae4 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" @@ -38,23 +34,31 @@ #endif /* $ModDesc: Provides SSL support for clients */ -/* $CompileFlags: pkgconfversion("openssl","0.9.7") pkgconfincludes("openssl","/openssl/ssl.h","") */ -/* $LinkerFlags: rpath("pkg-config --libs openssl") pkgconflibs("openssl","/libssl.so","-lssl -lcrypto -ldl") */ + +/* $LinkerFlags: if("USE_FREEBSD_BASE_SSL") -lssl -lcrypto */ +/* $CompileFlags: if(!"USE_FREEBSD_BASE_SSL") pkgconfversion("openssl","0.9.7") pkgconfincludes("openssl","/openssl/ssl.h","") */ +/* $LinkerFlags: if(!"USE_FREEBSD_BASE_SSL") 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; - return false; + if (std::find(portlist.begin(), portlist.end(), ":" + ConvToStr(port)) != portlist.end()) + return true; + + return std::find(portlist.begin(), portlist.end(), host + ":" + ConvToStr(port)) != portlist.end(); } char* get_error() @@ -104,10 +108,10 @@ 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; @@ -133,6 +137,8 @@ class ModuleSSLOpenSSL : public Module { 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; @@ -151,32 +157,38 @@ 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; } + } + + virtual void OnRehash(User* user, const std::string ¶m) + { + ConfigReader Conf(ServerInstance); listenports.clear(); clientactive = 0; sslports.clear(); - for (int i = 0; i < Conf.Enumerate("bind"); i++) + for(int index = 0; index < Conf.Enumerate("bind"); index++) { // For each tag - std::string x = Conf.ReadValue("bind", "type", i); - if (((x.empty()) || (x == "clients")) && (Conf.ReadValue("bind", "ssl", i) == "openssl")) + 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", i); + 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())) @@ -184,23 +196,18 @@ class ModuleSSLOpenSSL : public Module 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); - } + 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->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()); + 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()); } } } @@ -209,6 +216,11 @@ class ModuleSSLOpenSSL : public Module 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); @@ -232,16 +244,16 @@ class ModuleSSLOpenSSL : public Module dhfile = "dhparams.pem"; // Prepend relative paths with the path to the config directory. - if (cafile[0] != '/') + if ((cafile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(cafile))) cafile = confdir + cafile; - if (certfile[0] != '/') + if ((certfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(certfile))) certfile = confdir + certfile; - if (keyfile[0] != '/') + if ((keyfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(keyfile))) keyfile = confdir + keyfile; - if (dhfile[0] != '/') + if ((dhfile[0] != '/') && (!ServerInstance->Config->StartsWithWindowsDriveLetter(dhfile))) dhfile = confdir + dhfile; /* Load our keys and certificates @@ -249,20 +261,20 @@ 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); } @@ -271,7 +283,7 @@ 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 @@ -279,7 +291,7 @@ 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); } } @@ -296,6 +308,8 @@ 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) @@ -304,19 +318,21 @@ 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"); + ServerInstance->Users->QuitUser(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; } } @@ -326,9 +342,8 @@ 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"); } } @@ -336,16 +351,11 @@ 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) @@ -354,10 +364,10 @@ 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, (BufferedSocket*)ISR->Sock) ? (char*)"OK" : NULL; + ret = ServerInstance->Config->AddIOHook((Module*)this, (BufferedSocket*)ISR->Sock) ? "OK" : NULL; } catch (ModuleException &e) { @@ -368,15 +378,15 @@ class ModuleSSLOpenSSL : public Module } else if (strcmp("IS_UNHOOK", request->GetId()) == 0) { - return ServerInstance->Config->DelIOHook((BufferedSocket*)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) { @@ -394,7 +404,7 @@ 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]; @@ -411,7 +421,7 @@ 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; } @@ -420,8 +430,8 @@ 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)) + /* Are there any possibilities of an out of range fd? Hope not, but lets be paranoid */ + if ((fd < 0) || (fd > ServerInstance->SE->GetMaxFds() -1)) return; issl_session* session = &sessions[fd]; @@ -438,7 +448,7 @@ 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; } @@ -448,7 +458,7 @@ 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]); @@ -467,7 +477,7 @@ 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]; @@ -515,9 +525,9 @@ class ModuleSSLOpenSSL : public Module { if (count <= session->inbufoffset) { - memcpy(buffer, session->inbuf, count); + memmove(buffer, session->inbuf, count); // Move the stuff left in inbuf to the beginning of it - memcpy(session->inbuf, session->inbuf + count, (session->inbufoffset - count)); + memmove(session->inbuf, session->inbuf + count, (session->inbufoffset - count)); // Now we need to set session->inbufoffset to the amount of data still waiting to be handed to insp. session->inbufoffset -= count; // Insp uses readresult as the count of how much data there is in buffer, so: @@ -526,7 +536,7 @@ class ModuleSSLOpenSSL : public Module else { // There's not as much in the inbuf as there is space in the buffer, so just copy the whole thing. - memcpy(buffer, session->inbuf, session->inbufoffset); + memmove(buffer, session->inbuf, session->inbufoffset); readresult = session->inbufoffset; // Zero the offset, as there's nothing there.. @@ -544,7 +554,7 @@ 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]; @@ -626,7 +636,7 @@ class ModuleSSLOpenSSL : public Module { // Is this right? Not sure if the unencrypted data is garaunteed to be the same length. // Read into the inbuffer, offset from the beginning by the amount of data we have that insp hasn't taken yet. - + int ret = SSL_read(session->sess, session->inbuf + session->inbufoffset, inbufsize - session->inbufoffset); if (ret == 0) @@ -675,9 +685,9 @@ 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); + ServerInstance->SendWhoisLine(source, dest, 320, "%s %s :is using a secure connection", source->nick.c_str(), dest->nick.c_str()); } } @@ -776,18 +786,11 @@ class ModuleSSLOpenSSL : public Module if ((user->GetExt("ssl", dummy)) && (IS_LOCAL(user))) { // 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("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); + ServerInstance->PI->SendMetaData(user, TYPE_USER, "SSL", "on"); VerifyCertificate(&sessions[user->GetFd()], user); if (sessions[user->GetFd()].sess) - user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick, SSL_get_cipher(sessions[user->GetFd()].sess)); + user->WriteServ("NOTICE %s :*** You are connected using SSL cipher \"%s\"", user->nick.c_str(), SSL_get_cipher(sessions[user->GetFd()].sess)); } } @@ -883,12 +886,29 @@ 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)); + + // + // XXX: Remove this line, it causes valgrind warnings... + // + // MD_update(&m, buf, j); + // + // + // ... ONLY JOKING! :-) + // + return 0; }