/* * Copyright (C) 2015 Andreas Steffen * HSR Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. See . * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. */ #include "imc_hcd_state.h" #include #include #include #include #include #include #include #include #include "ietf/ietf_attr_fwd_enabled.h" #include #include #include #include #include /* IMC definitions */ static const char imc_name[] = "HCD"; static pen_type_t msg_types[] = { { PEN_PWG, PA_SUBTYPE_PWG_HCD_SYSTEM }, { PEN_PWG, PA_SUBTYPE_PWG_HCD_CONSOLE }, { PEN_PWG, PA_SUBTYPE_PWG_HCD_MARKER }, { PEN_PWG, PA_SUBTYPE_PWG_HCD_FINISHER }, { PEN_PWG, PA_SUBTYPE_PWG_HCD_INTERFACE }, { PEN_PWG, PA_SUBTYPE_PWG_HCD_SCANNER } }; static imc_agent_t *imc_hcd; static imc_os_info_t *os; typedef struct section_subtype_t section_subtype_t; struct section_subtype_t { char *section; pa_subtype_pwg_t subtype; }; static section_subtype_t section_subtypes[] = { { "system", PA_SUBTYPE_PWG_HCD_SYSTEM }, { "console", PA_SUBTYPE_PWG_HCD_CONSOLE }, { "marker", PA_SUBTYPE_PWG_HCD_MARKER }, { "finisher", PA_SUBTYPE_PWG_HCD_FINISHER }, { "interface", PA_SUBTYPE_PWG_HCD_INTERFACE }, { "scanner" , PA_SUBTYPE_PWG_HCD_SCANNER } }; typedef struct quadruple_t quadruple_t; struct quadruple_t { char *section; pwg_attr_t name_attr; pwg_attr_t patches_attr; pwg_attr_t string_version_attr; pwg_attr_t version_attr; }; static quadruple_t quadruples[] = { { "firmware", PWG_HCD_FIRMWARE_NAME, PWG_HCD_FIRMWARE_PATCHES, PWG_HCD_FIRMWARE_STRING_VERSION, PWG_HCD_FIRMWARE_VERSION }, { "resident_application", PWG_HCD_RESIDENT_APP_NAME, PWG_HCD_RESIDENT_APP_PATCHES, PWG_HCD_RESIDENT_APP_STRING_VERSION, PWG_HCD_RESIDENT_APP_VERSION }, { "user_application", PWG_HCD_USER_APP_NAME, PWG_HCD_USER_APP_PATCHES, PWG_HCD_USER_APP_STRING_VERSION, PWG_HCD_USER_APP_VERSION } }; /** * see section 3.8.1 of TCG TNC IF-IMC Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_Initialize(TNC_IMCID imc_id, TNC_Version min_version, TNC_Version max_version, TNC_Version *actual_version) { if (imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name); return TNC_RESULT_ALREADY_INITIALIZED; } imc_hcd = imc_agent_create(imc_name, msg_types, countof(msg_types), imc_id, actual_version); if (!imc_hcd) { return TNC_RESULT_FATAL; } os = imc_os_info_create(); if (!os) { imc_hcd->destroy(imc_hcd); imc_hcd = NULL; return TNC_RESULT_FATAL; } if (min_version > TNC_IFIMC_VERSION_1 || max_version < TNC_IFIMC_VERSION_1) { DBG1(DBG_IMC, "no common IF-IMC version"); return TNC_RESULT_NO_COMMON_VERSION; } return TNC_RESULT_SUCCESS; } /** * see section 3.8.2 of TCG TNC IF-IMC Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id, TNC_ConnectionID connection_id, TNC_ConnectionState new_state) { imc_state_t *state; if (!imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name); return TNC_RESULT_NOT_INITIALIZED; } switch (new_state) { case TNC_CONNECTION_STATE_CREATE: state = imc_hcd_state_create(connection_id); return imc_hcd->create_state(imc_hcd, state); case TNC_CONNECTION_STATE_HANDSHAKE: if (imc_hcd->change_state(imc_hcd, connection_id, new_state, &state) != TNC_RESULT_SUCCESS) { return TNC_RESULT_FATAL; } state->set_result(state, imc_id, TNC_IMV_EVALUATION_RESULT_DONT_KNOW); return TNC_RESULT_SUCCESS; case TNC_CONNECTION_STATE_DELETE: return imc_hcd->delete_state(imc_hcd, connection_id); default: return imc_hcd->change_state(imc_hcd, connection_id, new_state, NULL); } } /** * Add AttributesNaturalLanguage attribute to send queue */ static void add_attrs_natural_lang(imc_msg_t *msg, char *section) { pa_tnc_attr_t *attr; char *string; string = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.%s.attributes_natural_language", "en", lib->ns, section); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_ATTRS_NATURAL_LANG, string); attr = generic_attr_string_create(chunk_from_str(string), pen_type_create(PEN_PWG, PWG_HCD_ATTRS_NATURAL_LANG)); msg->add_attribute(msg, attr); } /** * Add DefaultPasswordEnabled attribute to send queue */ static void add_default_pwd_enabled(imc_msg_t *msg) { pa_tnc_attr_t *attr; bool status; status = os->get_default_pwd_status(os); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_DEFAULT_PWD_ENABLED, status ? "yes" : "no"); attr = generic_attr_bool_create(status, pen_type_create(PEN_PWG, PWG_HCD_DEFAULT_PWD_ENABLED)); msg->add_attribute(msg, attr); } /** * Add ForwardingEnabled attribute to send queue */ static void add_forwarding_enabled(imc_msg_t *msg) { pa_tnc_attr_t *attr; os_fwd_status_t fwd_status; fwd_status = os->get_fwd_status(os); DBG2(DBG_IMC, " %N: %N", pwg_attr_names, PWG_HCD_FORWARDING_ENABLED, os_fwd_status_names, fwd_status); attr = ietf_attr_fwd_enabled_create(fwd_status, pen_type_create(PEN_PWG, PWG_HCD_FORWARDING_ENABLED)); msg->add_attribute(msg, attr); } /** * Add MachineTypeModel attribute to send queue */ static void add_machine_type_model(imc_msg_t *msg) { pa_tnc_attr_t *attr; char *string; string = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.system.machine_type_model", "", lib->ns); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_MACHINE_TYPE_MODEL, string); attr = generic_attr_string_create(chunk_from_str(string), pen_type_create(PEN_PWG, PWG_HCD_MACHINE_TYPE_MODEL)); msg->add_attribute(msg, attr); } /** * Add PSTNFaxEnabled attribute to send queue */ static void add_pstn_fax_enabled(imc_msg_t *msg) { pa_tnc_attr_t *attr; bool status; status = lib->settings->get_bool(lib->settings, "%s.plugins.imc-hcd.subtypes.system.pstn_fax_enabled", FALSE, lib->ns); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_PSTN_FAX_ENABLED, status ? "yes" : "no"); attr = generic_attr_bool_create(status, pen_type_create(PEN_PWG, PWG_HCD_PSTN_FAX_ENABLED)); msg->add_attribute(msg, attr); } /** * Add TimeSource attribute to send queue */ static void add_time_source(imc_msg_t *msg) { pa_tnc_attr_t *attr; char *string; string = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.system.time_source", "", lib->ns); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_TIME_SOURCE, string); attr = generic_attr_string_create(chunk_from_str(string), pen_type_create(PEN_PWG, PWG_HCD_TIME_SOURCE)); msg->add_attribute(msg, attr); } /** * Add UserApplicationEnabled attribute to send queue */ static void add_user_app_enabled(imc_msg_t *msg) { pa_tnc_attr_t *attr; bool status; status = lib->settings->get_bool(lib->settings, "%s.plugins.imc-hcd.subtypes.system.user_application_enabled", FALSE, lib->ns); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_USER_APP_ENABLED, status ? "yes" : "no"); attr = generic_attr_bool_create(status, pen_type_create(PEN_PWG, PWG_HCD_USER_APP_ENABLED)); msg->add_attribute(msg, attr); } /** * Add UserApplicationPersistenceEnabled attribute to send queue */ static void add_user_app_persist_enabled(imc_msg_t *msg) { pa_tnc_attr_t *attr; bool status; status = lib->settings->get_bool(lib->settings, "%s.plugins.imc-hcd.subtypes.system.user_application_persistence.enabled", FALSE, lib->ns); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_USER_APP_PERSIST_ENABLED, status ? "yes" : "no"); attr = generic_attr_bool_create(status, pen_type_create(PEN_PWG, PWG_HCD_USER_APP_PERSIST_ENABLED)); msg->add_attribute(msg, attr); } /** * Add VendorName attribute to send queue */ static void add_vendor_name(imc_msg_t *msg) { pa_tnc_attr_t *attr; char *string; string = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.system.vendor_name", "", lib->ns); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, PWG_HCD_VENDOR_NAME, string); attr = generic_attr_string_create(chunk_from_str(string), pen_type_create(PEN_PWG, PWG_HCD_VENDOR_NAME)); msg->add_attribute(msg, attr); } /** * Add VendorSMICode attribute to send queue */ static void add_vendor_smi_code(imc_msg_t *msg) { pa_tnc_attr_t *attr; int smi_code; smi_code = lib->settings->get_int(lib->settings, "%s.plugins.imc-hcd.subtypes.system.vendor_smi_code", 0, lib->ns); DBG2(DBG_IMC, " %N: 0x%06x (%d)", pwg_attr_names, PWG_HCD_VENDOR_SMI_CODE, smi_code, smi_code); attr = pwg_attr_vendor_smi_code_create(smi_code); msg->add_attribute(msg, attr); } /** * Add CertificationState attribute to send queue */ static void add_certification_state(imc_msg_t *msg) { pa_tnc_attr_t *attr; char *hex_string; chunk_t blob; hex_string = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.system.certification_state", NULL, lib->ns); if (hex_string) { blob = chunk_from_hex(chunk_from_str(hex_string), NULL); DBG2(DBG_IMC, " %N: %B", pwg_attr_names, PWG_HCD_CERTIFICATION_STATE, &blob); attr = generic_attr_chunk_create(blob, pen_type_create(PEN_PWG, PWG_HCD_CERTIFICATION_STATE)); msg->add_attribute(msg, attr); chunk_free(&blob); } } /** * Add CertificationState attribute to send queue */ static void add_configuration_state(imc_msg_t *msg) { pa_tnc_attr_t *attr; char *hex_string; chunk_t blob; hex_string = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.system.configuration_state", NULL, lib->ns); if (hex_string) { blob = chunk_from_hex(chunk_from_str(hex_string), NULL); DBG2(DBG_IMC, " %N: %B", pwg_attr_names, PWG_HCD_CONFIGURATION_STATE, &blob); attr = generic_attr_chunk_create(blob, pen_type_create(PEN_PWG, PWG_HCD_CONFIGURATION_STATE)); msg->add_attribute(msg, attr); chunk_free(&blob); } } /** * Add Correlated Attributes to send queue */ static void add_quadruple(imc_msg_t *msg, char *section, quadruple_t *quad) { pa_tnc_attr_t *attr; const size_t version_len = 16; char version[version_len]; char hex_version_default[] = "00000000000000000000000000000000"; char *app, *name, *patches, *string_version, *hex_version; size_t len; chunk_t num_version; enumerator_t *enumerator; enumerator = lib->settings->create_section_enumerator(lib->settings, "%s.plugins.imc-hcd.subtypes.%s.%s", lib->ns, section, quad->section); while (enumerator->enumerate(enumerator, &app)) { name = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.%s.%s.%s.name", "", lib->ns, section, quad->section, app); patches = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.%s.%s.%s.patches", "", lib->ns, section, quad->section, app); string_version = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.%s.%s.%s.string_version", "", lib->ns, section, quad->section, app); hex_version = lib->settings->get_str(lib->settings, "%s.plugins.imc-hcd.subtypes.%s.%s.%s.version", hex_version_default, lib->ns, section, quad->section, app); /* convert hex string into binary chunk */ if (strlen(hex_version) > 2 * version_len) { hex_version = hex_version_default; } num_version = chunk_from_hex(chunk_from_str(hex_version), version); DBG2(DBG_IMC, "--- %s ---", app); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, quad->name_attr, name); attr = generic_attr_string_create(chunk_from_str(name), pen_type_create(PEN_PWG, quad->name_attr)); msg->add_attribute(msg, attr); /* remove any trailing LF from patches string for logging */ len = strlen(patches); if (len && (patches[len - 1] == '\n')) { len--; } DBG2(DBG_IMC, " %N:%s%.*s", pwg_attr_names, quad->patches_attr, len ? "\n" : " ", len, patches); attr = generic_attr_string_create(chunk_from_str(patches), pen_type_create(PEN_PWG, quad->patches_attr)); msg->add_attribute(msg, attr); DBG2(DBG_IMC, " %N: %s", pwg_attr_names, quad->string_version_attr, string_version); attr = generic_attr_string_create(chunk_from_str(string_version), pen_type_create(PEN_PWG, quad->string_version_attr)); msg->add_attribute(msg, attr); DBG2(DBG_IMC, " %N: %#B", pwg_attr_names, quad->version_attr, &num_version); attr = generic_attr_chunk_create(num_version, pen_type_create(PEN_PWG, quad->version_attr)); msg->add_attribute(msg, attr); } enumerator->destroy(enumerator); } /** * see section 3.8.3 of TCG TNC IF-IMC Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_BeginHandshake(TNC_IMCID imc_id, TNC_ConnectionID connection_id) { imc_state_t *state; imc_msg_t *out_msg; TNC_Result result = TNC_RESULT_SUCCESS; pa_subtype_pwg_t subtype; pen_type_t msg_type; enumerator_t *enumerator; char *section; int i; if (!imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name); return TNC_RESULT_NOT_INITIALIZED; } if (!imc_hcd->get_state(imc_hcd, connection_id, &state)) { return TNC_RESULT_FATAL; } /* Enumerate over all HCD subtype sections */ enumerator = lib->settings->create_section_enumerator(lib->settings, "%s.plugins.imc-hcd.subtypes", lib->ns); while (enumerator->enumerate(enumerator, §ion) && result == TNC_RESULT_SUCCESS) { subtype = PA_SUBTYPE_PWG_HCD_UNKNOWN; for (i = 0; i < countof(section_subtypes); i++) { if (streq(section, section_subtypes[i].section)) { subtype = section_subtypes[i].subtype; break; } } if (subtype == PA_SUBTYPE_PWG_HCD_UNKNOWN) { DBG1(DBG_IMC, "HCD subtype '%s' not supported", section); continue; } DBG2(DBG_IMC, "retrieving attributes for PA subtype %N/%N", pen_names, PEN_PWG, pa_subtype_pwg_names, subtype); msg_type = pen_type_create(PEN_PWG, subtype); out_msg = imc_msg_create(imc_hcd, state, connection_id, imc_id, TNC_IMVID_ANY, msg_type); /* mandatory attributes that are always sent without request */ add_attrs_natural_lang(out_msg, section); if (subtype == PA_SUBTYPE_PWG_HCD_SYSTEM) { add_default_pwd_enabled(out_msg); add_forwarding_enabled(out_msg); add_machine_type_model(out_msg); add_pstn_fax_enabled(out_msg); add_time_source(out_msg); add_vendor_name(out_msg); add_vendor_smi_code(out_msg); add_user_app_enabled(out_msg); add_user_app_persist_enabled(out_msg); } if (lib->settings->get_bool(lib->settings, "%s.plugins.imc-hcd.push_info", FALSE, lib->ns)) { /* correlated attributes */ for (i = 0; i < countof(quadruples); i++) { add_quadruple(out_msg, section, &quadruples[i]); } } /* send PA-TNC message with the excl flag not set */ result = out_msg->send(out_msg, FALSE); out_msg->destroy(out_msg); } enumerator->destroy(enumerator); return result; } static TNC_Result receive_message(imc_state_t *state, imc_msg_t *in_msg) { imc_msg_t *out_msg; enumerator_t *enumerator; pa_tnc_attr_t *attr; pen_type_t type, msg_type; TNC_Result result; char *section = NULL; int i; bool fatal_error = FALSE, pushed_info; /* generate an outgoing PA-TNC message - we might need it */ out_msg = imc_msg_create_as_reply(in_msg); /* parse received PA-TNC message and handle local and remote errors */ result = in_msg->receive(in_msg, out_msg, &fatal_error); if (result != TNC_RESULT_SUCCESS) { out_msg->destroy(out_msg); return result; } msg_type = in_msg->get_msg_type(in_msg); for (i = 0; i < countof(section_subtypes); i++) { if (msg_type.type == section_subtypes[i].subtype) { section = section_subtypes[i].section; break; } } pushed_info = lib->settings->get_bool(lib->settings, "%s.plugins.imc-hcd.push_info", FALSE, lib->ns); /* analyze PA-TNC attributes */ enumerator = in_msg->create_attribute_enumerator(in_msg); while (enumerator->enumerate(enumerator, &attr)) { type = attr->get_type(attr); if (type.vendor_id == PEN_IETF) { if (type.type == IETF_ATTR_ATTRIBUTE_REQUEST) { ietf_attr_attr_request_t *attr_cast; pen_type_t *entry; enumerator_t *e; attr_cast = (ietf_attr_attr_request_t*)attr; e = attr_cast->create_enumerator(attr_cast); while (e->enumerate(e, &entry)) { if (entry->vendor_id == PEN_PWG) { switch (entry->type) { case PWG_HCD_ATTRS_NATURAL_LANG: add_attrs_natural_lang(out_msg, section); break; case PWG_HCD_DEFAULT_PWD_ENABLED: add_default_pwd_enabled(out_msg); break; case PWG_HCD_FORWARDING_ENABLED: add_forwarding_enabled(out_msg); break; case PWG_HCD_MACHINE_TYPE_MODEL: add_machine_type_model(out_msg); break; case PWG_HCD_PSTN_FAX_ENABLED: add_pstn_fax_enabled(out_msg); break; case PWG_HCD_TIME_SOURCE: add_time_source(out_msg); break; case PWG_HCD_USER_APP_ENABLED: add_user_app_enabled(out_msg); break; case PWG_HCD_USER_APP_PERSIST_ENABLED: add_user_app_persist_enabled(out_msg); break; case PWG_HCD_VENDOR_NAME: add_vendor_name(out_msg); break; case PWG_HCD_VENDOR_SMI_CODE: add_vendor_smi_code(out_msg); break; case PWG_HCD_CERTIFICATION_STATE: add_certification_state(out_msg); break; case PWG_HCD_CONFIGURATION_STATE: add_configuration_state(out_msg); break; default: if (pushed_info) { continue; } } /* if not pushed, deliver on request */ switch (entry->type) { case PWG_HCD_FIRMWARE_NAME: add_quadruple(out_msg, section, &quadruples[0]); break; case PWG_HCD_RESIDENT_APP_NAME: add_quadruple(out_msg, section, &quadruples[1]); break; case PWG_HCD_USER_APP_NAME: add_quadruple(out_msg, section, &quadruples[2]); break; default: break; } } } e->destroy(e); } } } enumerator->destroy(enumerator); if (fatal_error) { result = TNC_RESULT_FATAL; } else { /* send PA-TNC message with the EXCL flag set */ result = out_msg->send(out_msg, TRUE); } out_msg->destroy(out_msg); return result; } /** * see section 3.8.4 of TCG TNC IF-IMC Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_ReceiveMessage(TNC_IMCID imc_id, TNC_ConnectionID connection_id, TNC_BufferReference msg, TNC_UInt32 msg_len, TNC_MessageType msg_type) { imc_state_t *state; imc_msg_t *in_msg; TNC_Result result; if (!imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name); return TNC_RESULT_NOT_INITIALIZED; } if (!imc_hcd->get_state(imc_hcd, connection_id, &state)) { return TNC_RESULT_FATAL; } in_msg = imc_msg_create_from_data(imc_hcd, state, connection_id, msg_type, chunk_create(msg, msg_len)); result = receive_message(state, in_msg); in_msg->destroy(in_msg); return result; } /** * see section 3.8.6 of TCG TNC IF-IMV Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_ReceiveMessageLong(TNC_IMCID imc_id, TNC_ConnectionID connection_id, TNC_UInt32 msg_flags, TNC_BufferReference msg, TNC_UInt32 msg_len, TNC_VendorID msg_vid, TNC_MessageSubtype msg_subtype, TNC_UInt32 src_imv_id, TNC_UInt32 dst_imc_id) { imc_state_t *state; imc_msg_t *in_msg; TNC_Result result; if (!imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name); return TNC_RESULT_NOT_INITIALIZED; } if (!imc_hcd->get_state(imc_hcd, connection_id, &state)) { return TNC_RESULT_FATAL; } in_msg = imc_msg_create_from_long_data(imc_hcd, state, connection_id, src_imv_id, dst_imc_id,msg_vid, msg_subtype, chunk_create(msg, msg_len)); result =receive_message(state, in_msg); in_msg->destroy(in_msg); return result; } /** * see section 3.8.7 of TCG TNC IF-IMC Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_BatchEnding(TNC_IMCID imc_id, TNC_ConnectionID connection_id) { if (!imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name); return TNC_RESULT_NOT_INITIALIZED; } return TNC_RESULT_SUCCESS; } /** * see section 3.8.8 of TCG TNC IF-IMC Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_Terminate(TNC_IMCID imc_id) { if (!imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name); return TNC_RESULT_NOT_INITIALIZED; } imc_hcd->destroy(imc_hcd); imc_hcd = NULL; os->destroy(os); os = NULL; return TNC_RESULT_SUCCESS; } /** * see section 4.2.8.1 of TCG TNC IF-IMC Specification 1.3 */ TNC_Result TNC_IMC_API TNC_IMC_ProvideBindFunction(TNC_IMCID imc_id, TNC_TNCC_BindFunctionPointer bind_function) { if (!imc_hcd) { DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name); return TNC_RESULT_NOT_INITIALIZED; } return imc_hcd->bind_functions(imc_hcd, bind_function); }