#include "orbsvcs/Log_Macros.h" #include "orbsvcs/Log_Macros.h" #include "orbsvcs/HTIOP/HTIOP_Acceptor.h" #include "orbsvcs/HTIOP/HTIOP_Profile.h" #include "ace/HTBP/HTBP_Environment.h" #include "ace/HTBP/HTBP_ID_Requestor.h" #include "ace/os_include/os_netdb.h" #include "tao/MProfile.h" #include "tao/ORB_Core.h" #include "tao/Server_Strategy_Factory.h" #include "tao/debug.h" #include "tao/CDR.h" #include "tao/Codeset_Manager.h" #include "ace/Auto_Ptr.h" #if !defined(__ACE_INLINE__) #include "orbsvcs/HTIOP/HTIOP_Acceptor.inl" #endif /* __ACE_INLINE__ */ TAO_BEGIN_VERSIONED_NAMESPACE_DECL TAO::HTIOP::Acceptor::Acceptor (ACE::HTBP::Environment *ht_env, int is_inside) : TAO_Acceptor (OCI_TAG_HTIOP_PROFILE), addrs_ (0), hosts_ (0), endpoint_count_ (0), hostname_in_ior_ (0), version_ (TAO_DEF_GIOP_MAJOR, TAO_DEF_GIOP_MINOR), orb_core_ (0), base_acceptor_ (this), creation_strategy_ (0), concurrency_strategy_ (0), accept_strategy_ (0), ht_env_ (ht_env), inside_ (is_inside) { } TAO::HTIOP::Acceptor::~Acceptor () { // Make sure we are closed before we start destroying the // strategies. this->close (); delete this->creation_strategy_; delete this->concurrency_strategy_; delete this->accept_strategy_; delete [] this->addrs_; for (CORBA::ULong i = 0; i < this->endpoint_count_; ++i) CORBA::string_free (this->hosts_[i]); delete [] this->hosts_; } // TODO = // 2) For V1.[1,2] there are tagged components int TAO::HTIOP::Acceptor::create_profile (const TAO::ObjectKey &object_key, TAO_MProfile &mprofile, CORBA::Short priority) { // Sanity check. if (this->endpoint_count_ == 0) return -1; // Check if multiple endpoints should be put in one profile or // if they should be spread across multiple profiles. if (priority == TAO_INVALID_PRIORITY /* && this->orb_core_->orb_params()->shared_profile () == 0 */) return this->create_new_profile (object_key, mprofile, priority); else return this->create_shared_profile (object_key, mprofile, priority); } int TAO::HTIOP::Acceptor::create_new_profile (const TAO::ObjectKey &object_key, TAO_MProfile &mprofile, CORBA::Short priority) { // Adding this->endpoint_count_ to the TAO_MProfile. int count = mprofile.profile_count (); if ((mprofile.size () - count) < this->endpoint_count_ && mprofile.grow (count + this->endpoint_count_) == -1) return -1; // Create a profile for each acceptor endpoint. for (CORBA::ULong i = 0; i < this->endpoint_count_; ++i) { TAO::HTIOP::Profile *pfile = 0; ACE_NEW_RETURN (pfile, TAO::HTIOP::Profile (this->hosts_[i], this->addrs_[i].get_port_number (), this->addrs_[i].get_htid(), object_key, this->addrs_[i], this->version_, this->orb_core_), -1); pfile->endpoint ()->priority (priority); if (mprofile.give_profile (pfile) == -1) { pfile->_decr_refcnt (); pfile = 0; return -1; } // Do not add any tagged components to the profile if configured // by the user not to do so, or if an TAO_HTIOP 1.0 endpoint is being // created (TAO_HTIOP 1.0 did not support tagged components). if (this->orb_core_->orb_params ()->std_profile_components () == 0 || (this->version_.major == 1 && this->version_.minor == 0)) continue; pfile->tagged_components ().set_orb_type (TAO_ORB_TYPE); TAO_Codeset_Manager *csm = this->orb_core_->codeset_manager(); if (csm) csm->set_codeset(pfile->tagged_components()); } return 0; } int TAO::HTIOP::Acceptor::create_shared_profile (const TAO::ObjectKey &object_key, TAO_MProfile &mprofile, CORBA::Short priority) { CORBA::ULong index = 0; TAO_Profile *pfile = 0; TAO::HTIOP::Profile *htiop_profile = 0; // First see if already contains a TAO_HTIOP profile. for (TAO_PHandle i = 0; i != mprofile.profile_count (); ++i) { pfile = mprofile.get_profile (i); if (pfile->tag () == OCI_TAG_HTIOP_PROFILE) { htiop_profile = dynamic_cast (pfile); break; } } // If doesn't contain a TAO::HTIOP::Profile, we need to create // one. if (htiop_profile == 0) { ACE_NEW_RETURN (htiop_profile, TAO::HTIOP::Profile (this->hosts_[0], this->addrs_[0].get_port_number (), this->addrs_[0].get_htid(), object_key, this->addrs_[0], this->version_, this->orb_core_), -1); htiop_profile->endpoint ()->priority (priority); if (mprofile.give_profile (htiop_profile) == -1) { htiop_profile->_decr_refcnt (); htiop_profile = 0; return -1; } // Do not add any tagged components to the profile if configured // by the user not to do so, or if an HTIOP 1.0 endpoint is being // created (HTIOP 1.0 did not support tagged components). if (this->orb_core_->orb_params ()->std_profile_components () != 0 && (this->version_.major >= 1 && this->version_.minor >= 1)) { htiop_profile->tagged_components ().set_orb_type (TAO_ORB_TYPE); TAO_Codeset_Manager *csm = this->orb_core_->codeset_manager(); if (csm) csm->set_codeset(htiop_profile->tagged_components()); } index = 1; } // Add any remaining acceptor endpoints to the TAO::HTIOP::Profile. for (; index < this->endpoint_count_; ++index) { TAO::HTIOP::Endpoint *endpoint = 0; ACE_NEW_RETURN (endpoint, TAO::HTIOP::Endpoint (this->hosts_[index], this->addrs_[index].get_port_number (), this->addrs_[index].get_htid(), this->addrs_[index]), -1); endpoint->priority (priority); htiop_profile->add_endpoint (endpoint); } return 0; } int TAO::HTIOP::Acceptor::is_collocated (const TAO_Endpoint *endpoint) { const TAO::HTIOP::Endpoint *endp = dynamic_cast (endpoint); // Make sure the dynamically cast pointer is valid. if (endp == 0) return 0; for (CORBA::ULong i = 0; i < this->endpoint_count_; ++i) { // compare the port and host name. Please do *NOT* optimize // this code by comparing the IP address instead. That would // trigger the following bug: // // http://bugzilla.dre.vanderbilt.edu/show_bug.cgi?id=1220 // if (endp->port() == this->addrs_[i].get_port_number()) { if (endp->port() == 0) { return (ACE_OS::strcmp (endp->htid(), this->addrs_[i].get_htid()) == 0); } else { return (ACE_OS::strcmp(endp->host(), this->hosts_[i]) == 0); } } } return 0; } int TAO::HTIOP::Acceptor::close () { return this->base_acceptor_.close (); } int TAO::HTIOP::Acceptor::open (TAO_ORB_Core *orb_core, ACE_Reactor *reactor, int major, int minor, const char *address, const char *options) { this->orb_core_ = orb_core; if (this->hosts_ != 0) { // The hostname cache has already been set! // This is bad mojo, i.e. an internal TAO error. ORBSVCS_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) ") ACE_TEXT ("TAO::HTIOP::Acceptor::open - ") ACE_TEXT ("hostname already set\n\n")), -1); } ACE_CString proxy_host; unsigned proxy_port = 0; int rp = this->ht_env_->get_proxy_port(proxy_port); if (rp == 0 && proxy_port != 0) ORBSVCS_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) ") ACE_TEXT ("TAO::HTIOP::Acceptor::open - ") ACE_TEXT ("explicit endpoint inside proxy, port %d\n"), proxy_port), -1); if (address == 0) return -1; if (major >=0 && minor >= 0) this->version_.set_version (static_cast (major), static_cast (minor)); // Parse options if (this->parse_options (options) == -1) return -1; ACE::HTBP::Addr addr; // @ Mostly the address is just a host:port but in case it is // host:port#token, remove the #token before this is processed // - priyanka address = ACE_OS::strtok (const_cast (address), "#"); // In the common scenario, Acceptor is in the server that is // outside the firewall. It means the address that is sent to // us can be a ACE::HTBP::Outside_Addr which is of the form // host:port:token. The last :token has to be taken into // consideration. const char *port_separator_loc = ACE_OS::strchr (address, ':'); const char *specified_hostname = 0; char tmp_host[MAXHOSTNAMELEN + 1]; if (port_separator_loc == address) { // The address is a port number or port name. No hostname was // specified. The hostname for each network interface and the // fully qualified domain name must be obtained. // ie. the address can be :port:token or just :port: // Check for multiple network interfaces. if (this->probe_interfaces (orb_core) == -1) return -1; // First convert the port into a usable form. if (addr.ACE_INET_Addr::set (address + sizeof (':')) != 0) return -1; // Now reset the port and set the host. if (addr.ACE_INET_Addr::set (addr.get_port_number (), static_cast (INADDR_ANY), 1) != 0) return -1; else { return this->open_i (addr, reactor); } } else if (port_separator_loc == 0) { // The address is a hostname. No port was specified, so assume // port zero (port will be chosen for us). if (addr.ACE_INET_Addr::set ((unsigned short) 0, address) != 0) return -1; specified_hostname = address; } else { // Host and port were specified. if (addr.ACE_INET_Addr::set (address) != 0) return -1; // Extract out just the host part of the address. size_t len = port_separator_loc - address; ACE_OS::memcpy (tmp_host, address, len); tmp_host[len] = '\0'; specified_hostname = tmp_host; } this->endpoint_count_ = 1; // Only one hostname to store ACE_NEW_RETURN (this->addrs_, ACE::HTBP::Addr[this->endpoint_count_], -1); ACE_NEW_RETURN (this->hosts_, char *[this->endpoint_count_], -1); this->hosts_[0] = 0; if (this->hostname_in_ior_ != 0) { if (TAO_debug_level > 2) { ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("Overriding address in IOR with %s\n"), this->hostname_in_ior_)); } if (this->hostname (orb_core, addr, this->hosts_[0], this->hostname_in_ior_) != 0) return -1; } else { if (this->hostname (orb_core, addr, this->hosts_[0], specified_hostname) != 0) return -1; } // Copy the addr. The port is (re)set in // TAO::HTIOP::Acceptor::open_i(). if (this->addrs_[0].ACE_INET_Addr::set (addr) != 0) return -1; return this->open_i (addr, reactor); } int TAO::HTIOP::Acceptor::open_default (TAO_ORB_Core *orb_core, ACE_Reactor *reactor, int major, int minor, const char *options) { this->orb_core_ = orb_core; if (this->hosts_ != 0) { // The hostname cache has already been set! // This is bad mojo, i.e. an internal TAO error. ORBSVCS_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) ") ACE_TEXT ("TAO::HTIOP::Acceptor::open_default - ") ACE_TEXT ("hostname already set\n\n")), -1); } if (major >=0 && minor >= 0) this->version_.set_version (static_cast (major), static_cast (minor)); // Parse options if (this->parse_options (options) == -1) return -1; unsigned proxy_port = 0; if (this->inside_ == 1 || (this->inside_ == -1 && this->ht_env_->get_proxy_port(proxy_port) == 0 && proxy_port != 0)) { this->endpoint_count_ = 1; ACE_NEW_RETURN (this->addrs_, ACE::HTBP::Addr[this->endpoint_count_], -1); ACE_NEW_RETURN (this->hosts_, char *[this->endpoint_count_], -1); ACE_OS::memset (this->hosts_, 0, sizeof (char*) * this->endpoint_count_); ACE::HTBP::ID_Requestor req(ht_env_); ACE_TCHAR *htid = req.get_HTID (); ACE_Auto_Array_Ptr guard (htid); this->addrs_[0] = ACE_TEXT_ALWAYS_CHAR (htid); return 0; } // Check for multiple network interfaces. if (this->probe_interfaces (orb_core) == -1) return -1; // Now that each network interface's hostname has been cached, open // an endpoint on each network interface using the INADDR_ANY // address. ACE::HTBP::Addr addr; if (addr.ACE_INET_Addr::set (static_cast (0), static_cast (INADDR_ANY), 1) != 0) return -1; return this->open_i (addr, reactor); } int TAO::HTIOP::Acceptor::open_i (const ACE::HTBP::Addr& addr, ACE_Reactor *reactor) { ACE_NEW_RETURN (this->creation_strategy_, CREATION_STRATEGY (this->orb_core_), -1); ACE_NEW_RETURN (this->concurrency_strategy_, CONCURRENCY_STRATEGY (this->orb_core_), -1); ACE_NEW_RETURN (this->accept_strategy_, ACCEPT_STRATEGY (this->orb_core_), -1); if (this->base_acceptor_.open (addr, reactor, this->creation_strategy_, this->accept_strategy_, this->concurrency_strategy_) == -1) { if (TAO_debug_level > 0) ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) TAO::HTIOP::Acceptor::open_i ") ACE_TEXT ("- %p"), ACE_TEXT ("cannot open acceptor"))); return -1; } ACE::HTBP::Addr address; // We do this make sure the port number the endpoint is listening on // gets set in the addr. if (this->accept_strategy_->acceptor ().get_local_addr (address) != 0) { // @@ Should this be a catastrophic error??? if (TAO_debug_level > 0) ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) TAO::HTIOP::Acceptor::open_i ") ACE_TEXT ("- %p\n\n"), ACE_TEXT ("cannot get local addr"))); return -1; } // Set the port for each addr. If there is more than one network // interface then the endpoint created on each interface will be on // the same port. This is how a wildcard socket bind() is supposed // to work. u_short port = address.get_port_number (); for (CORBA::ULong j = 0; j < this->endpoint_count_; ++j) this->addrs_[j].set_port_number (port, 1); (void) this->accept_strategy_->acceptor().enable (ACE_CLOEXEC); // This avoids having child processes acquire the listen socket thereby // denying the server the opportunity to restart on a well-known endpoint. // This does not affect the aberrent behavior on Win32 platforms. if (TAO_debug_level > 5) { for (CORBA::ULong i = 0; i < this->endpoint_count_; ++i) { ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) TAO::HTIOP::Acceptor::open_i - ") ACE_TEXT ("listening on: <%C:%u>\n"), this->hosts_[i], this->addrs_[i].get_port_number ())); } } return 0; } int TAO::HTIOP::Acceptor::hostname (TAO_ORB_Core *orb_core, ACE_INET_Addr &addr, char *&host, const char *specified_hostname) { if (orb_core->orb_params ()->use_dotted_decimal_addresses ()) { // If dotted decimal addresses are enabled, // just return ours. return this->dotted_decimal_address (addr, host); } else if (specified_hostname != 0) { // If the user specified a hostname, pass it back // blindly as it overrides our choice of hostname. host = CORBA::string_dup (specified_hostname); } else { char tmp_host[MAXHOSTNAMELEN + 1]; // Get the hostname associated with our address if (addr.get_host_name (tmp_host, sizeof (tmp_host)) != 0) { // On failure, just return the decimal address. return this->dotted_decimal_address (addr, host); } else { host = CORBA::string_dup (tmp_host); } } return 0; } int TAO::HTIOP::Acceptor::dotted_decimal_address (ACE_INET_Addr &addr, char *&host) { int result = 0; const char *tmp = 0; // If the IP address in the INET_Addr is the INADDR_ANY address, // then force the actual IP address to be used by initializing a new // INET_Addr with the hostname from the original one. If that fails // then something is seriously wrong with the systems networking // setup. if (addr.is_any()) { ACE::HTBP::Addr new_addr; result = new_addr.ACE_INET_Addr::set (addr.get_port_number (), addr.get_host_name (), 1, addr.get_type()); tmp = new_addr.get_host_addr (); } else tmp = addr.get_host_addr (); if (tmp == 0 || result != 0) { if (TAO_debug_level > 0) ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("\n\nTAO (%P|%t) ") ACE_TEXT ("TAO::HTIOP::Acceptor::dotted_decimal_address ") ACE_TEXT ("- %p\n\n"), ACE_TEXT ("cannot determine hostname"))); return -1; } host = CORBA::string_dup (tmp); return 0; } int TAO::HTIOP::Acceptor::probe_interfaces (TAO_ORB_Core *orb_core) { // Extract the hostname for each network interface, and then cache // it. The hostnames will then be used when creating a // TAO::HTIOP::Profile for each endpoint setup on the probed // network interfaces. size_t if_cnt = 0; ACE_INET_Addr *inet_addrs = 0; if (ACE::get_ip_interfaces (if_cnt, inet_addrs) != 0 && errno != ENOTSUP) { // In the case where errno == ENOTSUP, if_cnt and if_addrs will // not be modified, and will each remain equal to zero. This // causes the default interface to be used. return -1; } if (if_cnt == 0 || inet_addrs == 0) { if (TAO_debug_level > 0) { ORBSVCS_DEBUG ((LM_WARNING, ACE_TEXT ("TAO (%P|%t) Unable to probe network ") ACE_TEXT ("interfaces. Using default.\n"))); } if_cnt = 1; // Force the network interface count to be one. delete [] inet_addrs; ACE_NEW_RETURN (inet_addrs, ACE_INET_Addr[if_cnt], -1); } // Scan for the loopback interface since it shouldn't be included in // the list of cached hostnames unless it is the only interface. size_t lo_cnt = 0; // Loopback interface count for (size_t j = 0; j < if_cnt; ++j) if (inet_addrs[j].get_ip_address () == INADDR_LOOPBACK) lo_cnt++; // The instantiation for this template is in // HTIOP/HTIOP_Connector.cpp. ACE_Auto_Basic_Array_Ptr safe_if_addrs (inet_addrs); // If the loopback interface is the only interface then include it // in the list of interfaces to query for a hostname, otherwise // exclude it from the list. if (if_cnt == lo_cnt) this->endpoint_count_ = static_cast (if_cnt); else this->endpoint_count_ = static_cast (if_cnt - lo_cnt); ACE_NEW_RETURN (this->addrs_, ACE::HTBP::Addr[this->endpoint_count_], -1); ACE_NEW_RETURN (this->hosts_, char *[this->endpoint_count_], -1); ACE_OS::memset (this->hosts_, 0, sizeof (char*) * this->endpoint_count_); // The number of hosts/interfaces we want to cache may not be the // same as the number of detected interfaces so keep a separate // count. size_t host_cnt = 0; for (size_t i = 0; i < if_cnt; ++i) { // Ignore any loopback interface if there are other // non-loopback interfaces. if (if_cnt != lo_cnt && inet_addrs[i].get_ip_address() == INADDR_LOOPBACK) continue; if (this->hostname_in_ior_ != 0) { if (TAO_debug_level > 2) { ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("Overriding address in IOR with %s\n"), this->hostname_in_ior_)); } if (this->hostname (orb_core, inet_addrs[i], this->hosts_[host_cnt], this->hostname_in_ior_) != 0) return -1; } else { if (this->hostname (orb_core, inet_addrs[i], this->hosts_[host_cnt]) != 0) return -1; } // Copy the addr. The port is (re)set in // HTIOP_Acceptor::open_i(). if (this->addrs_[host_cnt].ACE_INET_Addr::set (inet_addrs[i]) != 0) return -1; host_cnt++; } return 0; } CORBA::ULong TAO::HTIOP::Acceptor::endpoint_count () { return this->endpoint_count_; } int TAO::HTIOP::Acceptor::object_key (IOP::TaggedProfile &profile, TAO::ObjectKey &object_key) { // Create the decoding stream from the encapsulation in the buffer, #if (TAO_NO_COPY_OCTET_SEQUENCES == 1) TAO_InputCDR cdr (profile.profile_data.mb ()); #else TAO_InputCDR cdr (reinterpret_cast (profile.profile_data.get_buffer ()), profile.profile_data.length ()); #endif /* TAO_NO_COPY_OCTET_SEQUENCES == 1 */ CORBA::Octet major; CORBA::Octet minor = CORBA::Octet(); // Read the version. We just read it here. We don't*do any* // processing. if (!(cdr.read_octet (major) && cdr.read_octet (minor))) { if (TAO_debug_level > 0) { ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P|%t) TAO::HTIOP::Acceptor::object_key") ACE_TEXT (" - v%d.%d\n"), major, minor)); } return -1; } CORBA::String_var host; CORBA::UShort port = 0; // Get host and port. No processing here too.. if (cdr.read_string (host.out ()) == 0 || cdr.read_ushort (port) == 0) { if (TAO_debug_level > 0) { ORBSVCS_DEBUG ((LM_DEBUG, ACE_TEXT ("TAO (%P|%t) TAO::HTIOP::Acceptor::object_key - ") ACE_TEXT ("error while decoding host/port"))); } return -1; } // ... and object key. if ((cdr >> object_key) == 0) return -1; // We are NOT bothered about the rest. return 1; } int TAO::HTIOP::Acceptor::parse_options (const char *str) { if (str == 0) return 0; // No options to parse. Not a problem. // Use an option format similar to the one used for CGI scripts in // HTTP URLs. // e.g.: option1=foo&option2=bar ACE_CString options (str); size_t len = options.length (); const char option_delimiter = '&'; // Count the number of options. CORBA::ULong option_count = 1; // Number of endpoints in the string (initialized to 1). // Only check for endpoints after the protocol specification and // before the object key. for (size_t i = 0; i < len; ++i) if (options[i] == option_delimiter) option_count++; // The idea behind the following loop is to split the options into // (option, name) pairs. // For example, // `option1=foo&option2=bar' // will be parsed into: // `option1=foo' // `option2=bar' ACE_CString::size_type begin = 0; ACE_CString::size_type end = 0; for (CORBA::ULong j = 0; j < option_count; ++j) { if (j < option_count - 1) end = options.find (option_delimiter, begin); else end = len; if (end == begin) ORBSVCS_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) Zero length HTIOP option.\n")), -1); else if (end != ACE_CString::npos) { ACE_CString opt = options.substring (begin, end); ACE_CString::size_type const slot = opt.find ("="); if (slot == len - 1 || slot == ACE_CString::npos) ORBSVCS_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) HTIOP option <%s> is ") ACE_TEXT ("missing a value.\n"), opt.c_str ()), -1); ACE_CString name = opt.substring (0, slot); ACE_CString value = opt.substring (slot + 1); if (name.length () == 0) ORBSVCS_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("(%P|%t) Zero length HTIOP ") ACE_TEXT ("option name.\n")), -1); else if (name == "hostname_in_ior") { this->hostname_in_ior_ = value.rep (); } else ORBSVCS_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("(%P|%t) Invalid HTIOP option: <%s>\n"), name.c_str ()), -1); begin = end + 1; } else break; // No other options. } return 0; } TAO_END_VERSIONED_NAMESPACE_DECL