diff options
Diffstat (limited to 'src/libimcv/plugins/imv_scanner')
| -rw-r--r-- | src/libimcv/plugins/imv_scanner/Makefile.am | 15 | ||||
| -rw-r--r-- | src/libimcv/plugins/imv_scanner/Makefile.in | 600 | ||||
| -rw-r--r-- | src/libimcv/plugins/imv_scanner/imv_scanner.c | 409 | ||||
| -rw-r--r-- | src/libimcv/plugins/imv_scanner/imv_scanner_state.c | 243 | ||||
| -rw-r--r-- | src/libimcv/plugins/imv_scanner/imv_scanner_state.h | 52 |
5 files changed, 1319 insertions, 0 deletions
diff --git a/src/libimcv/plugins/imv_scanner/Makefile.am b/src/libimcv/plugins/imv_scanner/Makefile.am new file mode 100644 index 000000000..df2158e72 --- /dev/null +++ b/src/libimcv/plugins/imv_scanner/Makefile.am @@ -0,0 +1,15 @@ + +INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \ + -I$(top_srcdir)/src/libimcv + +AM_CFLAGS = -rdynamic + +imcv_LTLIBRARIES = imv-scanner.la + +imv_scanner_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \ + $(top_builddir)/src/libstrongswan/libstrongswan.la + +imv_scanner_la_SOURCES = imv_scanner.c imv_scanner_state.h imv_scanner_state.c + +imv_scanner_la_LDFLAGS = -module -avoid-version + diff --git a/src/libimcv/plugins/imv_scanner/Makefile.in b/src/libimcv/plugins/imv_scanner/Makefile.in new file mode 100644 index 000000000..63602c707 --- /dev/null +++ b/src/libimcv/plugins/imv_scanner/Makefile.in @@ -0,0 +1,600 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) 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+install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-imcvLTLIBRARIES + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-imcvLTLIBRARIES clean-libtool ctags distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-imcvLTLIBRARIES install-info \ + install-info-am install-man install-pdf install-pdf-am \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags uninstall uninstall-am uninstall-imcvLTLIBRARIES + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/libimcv/plugins/imv_scanner/imv_scanner.c b/src/libimcv/plugins/imv_scanner/imv_scanner.c new file mode 100644 index 000000000..dba3fd632 --- /dev/null +++ b/src/libimcv/plugins/imv_scanner/imv_scanner.c @@ -0,0 +1,409 @@ +/* + * Copyright (C) 2011 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 <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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 "imv_scanner_state.h" + +#include <imv/imv_agent.h> +#include <pa_tnc/pa_tnc_msg.h> +#include <ietf/ietf_attr.h> +#include <ietf/ietf_attr_pa_tnc_error.h> +#include <ietf/ietf_attr_port_filter.h> + +#include <tncif_names.h> +#include <tncif_pa_subtypes.h> + +#include <pen/pen.h> +#include <utils/linked_list.h> +#include <utils/lexparser.h> +#include <debug.h> + +/* IMV definitions */ + +static const char imv_name[] = "Scanner"; + +#define IMV_VENDOR_ID PEN_ITA +#define IMV_SUBTYPE PA_SUBTYPE_ITA_SCANNER + +static imv_agent_t *imv_scanner; + +typedef struct port_range_t port_range_t; + +struct port_range_t { + u_int16_t start, stop; +}; + + +/** + * Default port policy + * + * TRUE: all server ports on the TNC client must be closed + * FALSE: any server port on the TNC client is allowed to be open + */ +static bool closed_port_policy = TRUE; + +/** + * List of TCP and UDP port ranges + * + * TRUE: server ports on the TNC client that are allowed to be open + * FALSE: server ports on the TNC client that must be closed + */ +static linked_list_t *tcp_ports, *udp_ports; + +/** + * Get a TCP or UDP port list from strongswan.conf + */ +static linked_list_t* get_port_list(char *label) +{ + char key[40], *value; + linked_list_t *list; + chunk_t port_list, port_item, port_start; + port_range_t *port_range; + + list = linked_list_create(); + + snprintf(key, sizeof(key), "libimcv.plugins.imv-scanner.%s_ports", label); + value = lib->settings->get_str(lib->settings, key, NULL); + if (!value) + { + DBG1(DBG_IMV, "%s not defined", key); + return list; + } + port_list = chunk_create(value, strlen(value)); + DBG2(DBG_IMV, "list of %s ports that %s:", label, + closed_port_policy ? "are allowed to be open" : "must be closed"); + + while (eat_whitespace(&port_list)) + { + if (!extract_token(&port_item, ' ', &port_list)) + { + /* reached last port item */ + port_item = port_list; + port_list = chunk_empty; + } + port_range = malloc_thing(port_range_t); + port_range->start = atoi(port_item.ptr); + + if (extract_token(&port_start, '-', &port_item) && port_item.len) + { + port_range->stop = atoi(port_item.ptr); + } + else + { + port_range->stop = port_range->start; + } + DBG2(DBG_IMV, "%5u - %5u", port_range->start, port_range->stop); + list->insert_last(list, port_range); + } + + return list; +} + + +/* + * see section 3.8.1 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id, + TNC_Version min_version, + TNC_Version max_version, + TNC_Version *actual_version) +{ + if (imv_scanner) + { + DBG1(DBG_IMV, "IMV \"%s\" has already been initialized", imv_name); + return TNC_RESULT_ALREADY_INITIALIZED; + } + imv_scanner = imv_agent_create(imv_name, IMV_VENDOR_ID, IMV_SUBTYPE, + imv_id, actual_version); + if (!imv_scanner) + { + return TNC_RESULT_FATAL; + } + if (min_version > TNC_IFIMV_VERSION_1 || max_version < TNC_IFIMV_VERSION_1) + { + DBG1(DBG_IMV, "no common IF-IMV version"); + return TNC_RESULT_NO_COMMON_VERSION; + } + + /* set the default port policy to closed (TRUE) or open (FALSE) */ + closed_port_policy = lib->settings->get_bool(lib->settings, + "libimcv.plugins.imv-scanner.closed_port_policy", TRUE); + DBG2(DBG_IMV, "default port policy is %s ports", + closed_port_policy ? "closed" : "open"); + + /* get the list of open|closed ports */ + tcp_ports = get_port_list("tcp"); + udp_ports = get_port_list("udp"); + + return TNC_RESULT_SUCCESS; +} + +/** + * see section 3.8.2 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_NotifyConnectionChange(TNC_IMVID imv_id, + TNC_ConnectionID connection_id, + TNC_ConnectionState new_state) +{ + imv_state_t *state; + + if (!imv_scanner) + { + DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name); + return TNC_RESULT_NOT_INITIALIZED; + } + switch (new_state) + { + case TNC_CONNECTION_STATE_CREATE: + state = imv_scanner_state_create(connection_id); + return imv_scanner->create_state(imv_scanner, state); + case TNC_CONNECTION_STATE_DELETE: + return imv_scanner->delete_state(imv_scanner, connection_id); + default: + return imv_scanner->change_state(imv_scanner, connection_id, + new_state, NULL); + } +} + +static TNC_Result receive_message(TNC_IMVID imv_id, + TNC_ConnectionID connection_id, + TNC_UInt32 msg_flags, + chunk_t msg, + TNC_VendorID msg_vid, + TNC_MessageSubtype msg_subtype, + TNC_UInt32 src_imc_id, + TNC_UInt32 dst_imv_id) +{ + pa_tnc_msg_t *pa_tnc_msg; + pa_tnc_attr_t *attr; + imv_state_t *state; + enumerator_t *enumerator; + TNC_Result result; + bool fatal_error; + + if (!imv_scanner) + { + DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name); + return TNC_RESULT_NOT_INITIALIZED; + } + + /* get current IMV state */ + if (!imv_scanner->get_state(imv_scanner, connection_id, &state)) + { + return TNC_RESULT_FATAL; + } + + /* parse received PA-TNC message and automatically handle any errors */ + result = imv_scanner->receive_message(imv_scanner, state, msg, msg_vid, + msg_subtype, src_imc_id, dst_imv_id, &pa_tnc_msg); + + /* no parsed PA-TNC attributes available if an error occurred */ + if (!pa_tnc_msg) + { + return result; + } + + /* preprocess any IETF standard error attributes */ + fatal_error = pa_tnc_msg->process_ietf_std_errors(pa_tnc_msg); + + /* analyze PA-TNC attributes */ + enumerator = pa_tnc_msg->create_attribute_enumerator(pa_tnc_msg); + while (enumerator->enumerate(enumerator, &attr)) + { + if (attr->get_vendor_id(attr) == PEN_IETF && + attr->get_type(attr) == IETF_ATTR_PORT_FILTER) + { + ietf_attr_port_filter_t *attr_port_filter; + enumerator_t *enumerator; + u_int8_t protocol; + u_int16_t port; + char buf[BUF_LEN], *pos = buf; + size_t len = BUF_LEN; + bool blocked, compliant = TRUE; + + attr_port_filter = (ietf_attr_port_filter_t*)attr; + enumerator = attr_port_filter->create_port_enumerator(attr_port_filter); + while (enumerator->enumerate(enumerator, &blocked, &protocol, &port)) + { + enumerator_t *e; + port_range_t *port_range; + bool passed, found = FALSE; + int written = 0; + + if (blocked) + { + /* ignore closed ports */ + continue; + } + + e = (protocol == IPPROTO_TCP) ? + tcp_ports->create_enumerator(tcp_ports) : + udp_ports->create_enumerator(udp_ports); + while (e->enumerate(e, &port_range)) + { + if (port >= port_range->start && port <= port_range->stop) + { + found = TRUE; + break; + } + } + e->destroy(e); + + passed = (closed_port_policy == found); + DBG2(DBG_IMV, "%s port %5u %s: %s", + (protocol == IPPROTO_TCP) ? "tcp" : "udp", port, + blocked ? "closed" : "open", passed ? "ok" : "fatal"); + if (!passed) + { + compliant = FALSE; + written = snprintf(pos, len, " %s/%u", + (protocol == IPPROTO_TCP) ? "tcp" : "udp", + port); + if (written < 0 || written >= len) + { + break; + } + pos += written; + len -= written; + } + } + enumerator->destroy(enumerator); + + if (compliant) + { + state->set_recommendation(state, + TNC_IMV_ACTION_RECOMMENDATION_ALLOW, + TNC_IMV_EVALUATION_RESULT_COMPLIANT); + } + else + { + imv_scanner_state_t *imv_scanner_state; + + imv_scanner_state = (imv_scanner_state_t*)state; + imv_scanner_state->set_violating_ports(imv_scanner_state, buf); + state->set_recommendation(state, + TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS, + TNC_IMV_EVALUATION_RESULT_NONCOMPLIANT_MAJOR); + } + } + } + enumerator->destroy(enumerator); + pa_tnc_msg->destroy(pa_tnc_msg); + + if (fatal_error) + { + state->set_recommendation(state, + TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION, + TNC_IMV_EVALUATION_RESULT_ERROR); + return imv_scanner->provide_recommendation(imv_scanner, connection_id); + } + + return imv_scanner->provide_recommendation(imv_scanner, connection_id); + } + +/** + * see section 3.8.4 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_ReceiveMessage(TNC_IMVID imv_id, + TNC_ConnectionID connection_id, + TNC_BufferReference msg, + TNC_UInt32 msg_len, + TNC_MessageType msg_type) +{ + TNC_VendorID msg_vid; + TNC_MessageSubtype msg_subtype; + + msg_vid = msg_type >> 8; + msg_subtype = msg_type & TNC_SUBTYPE_ANY; + + return receive_message(imv_id, connection_id, 0, chunk_create(msg, msg_len), + msg_vid, msg_subtype, 0, TNC_IMVID_ANY); +} + +/** + * see section 3.8.6 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_ReceiveMessageLong(TNC_IMVID imv_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_imc_id, + TNC_UInt32 dst_imv_id) +{ + return receive_message(imv_id, connection_id, msg_flags, + chunk_create(msg, msg_len), msg_vid, msg_subtype, + src_imc_id, dst_imv_id); +} + +/** + * see section 3.8.7 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_SolicitRecommendation(TNC_IMVID imv_id, + TNC_ConnectionID connection_id) +{ + if (!imv_scanner) + { + DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name); + return TNC_RESULT_NOT_INITIALIZED; + } + return imv_scanner->provide_recommendation(imv_scanner, connection_id); +} + +/** + * see section 3.8.8 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_BatchEnding(TNC_IMVID imv_id, + TNC_ConnectionID connection_id) +{ + if (!imv_scanner) + { + DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name); + return TNC_RESULT_NOT_INITIALIZED; + } + return TNC_RESULT_SUCCESS; +} + +/** + * see section 3.8.9 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_Terminate(TNC_IMVID imv_id) +{ + if (!imv_scanner) + { + DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name); + return TNC_RESULT_NOT_INITIALIZED; + } + tcp_ports->destroy_function(tcp_ports, free); + udp_ports->destroy_function(udp_ports, free); + imv_scanner->destroy(imv_scanner); + imv_scanner = NULL; + + return TNC_RESULT_SUCCESS; +} + +/** + * see section 4.2.8.1 of TCG TNC IF-IMV Specification 1.3 + */ +TNC_Result TNC_IMV_ProvideBindFunction(TNC_IMVID imv_id, + TNC_TNCS_BindFunctionPointer bind_function) +{ + if (!imv_scanner) + { + DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name); + return TNC_RESULT_NOT_INITIALIZED; + } + return imv_scanner->bind_functions(imv_scanner, bind_function); +} diff --git a/src/libimcv/plugins/imv_scanner/imv_scanner_state.c b/src/libimcv/plugins/imv_scanner/imv_scanner_state.c new file mode 100644 index 000000000..422cb980d --- /dev/null +++ b/src/libimcv/plugins/imv_scanner/imv_scanner_state.c @@ -0,0 +1,243 @@ +/* + * Copyright (C) 2011 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 <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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 "imv_scanner_state.h" + +#include <utils/lexparser.h> +#include <debug.h> + +typedef struct private_imv_scanner_state_t private_imv_scanner_state_t; + +/** + * Private data of an imv_scanner_state_t object. + */ +struct private_imv_scanner_state_t { + + /** + * Public members of imv_scanner_state_t + */ + imv_scanner_state_t public; + + /** + * TNCCS connection ID + */ + TNC_ConnectionID connection_id; + + /** + * TNCCS connection state + */ + TNC_ConnectionState state; + + /** + * Does the TNCCS connection support long message types? + */ + bool has_long; + + /** + * Does the TNCCS connection support exclusive delivery? + */ + bool has_excl; + + /** + * IMV action recommendation + */ + TNC_IMV_Action_Recommendation rec; + + /** + * IMV evaluation result + */ + TNC_IMV_Evaluation_Result eval; + + /** + * String with list of ports that should be closed + */ + char *violating_ports; + + /** + * Local copy of the reason string + */ + chunk_t reason_string; +}; + +typedef struct entry_t entry_t; + +/** + * Define an internal reason string entry + */ +struct entry_t { + char *lang; + char *string; +}; + +/** + * Table of multi-lingual reason string entries + */ +static entry_t reasons[] = { + { "en", "The following ports are open:" }, + { "de", "Die folgenden Ports sind offen" }, + { "fr", "Les ports suivants sont ouverts:" }, + { "pl", "Następujące porty sa otwarte:" } +}; + +METHOD(imv_state_t, get_connection_id, TNC_ConnectionID, + private_imv_scanner_state_t *this) +{ + return this->connection_id; +} + +METHOD(imv_state_t, has_long, bool, + private_imv_scanner_state_t *this) +{ + return this->has_long; +} + +METHOD(imv_state_t, has_excl, bool, + private_imv_scanner_state_t *this) +{ + return this->has_excl; +} + +METHOD(imv_state_t, set_flags, void, + private_imv_scanner_state_t *this, bool has_long, bool has_excl) +{ + this->has_long = has_long; + this->has_excl = has_excl; +} + +METHOD(imv_state_t, change_state, void, + private_imv_scanner_state_t *this, TNC_ConnectionState new_state) +{ + this->state = new_state; +} + +METHOD(imv_state_t, get_recommendation, void, + private_imv_scanner_state_t *this, TNC_IMV_Action_Recommendation *rec, + TNC_IMV_Evaluation_Result *eval) +{ + *rec = this->rec; + *eval = this->eval; +} + +METHOD(imv_state_t, set_recommendation, void, + private_imv_scanner_state_t *this, TNC_IMV_Action_Recommendation rec, + TNC_IMV_Evaluation_Result eval) +{ + this->rec = rec; + this->eval = eval; +} + +METHOD(imv_state_t, get_reason_string, bool, + private_imv_scanner_state_t *this, chunk_t preferred_language, + chunk_t *reason_string, chunk_t *reason_language) +{ + chunk_t pref_lang, lang; + u_char *pos; + int i; + + if (!this->violating_ports) + { + return FALSE; + } + + while (eat_whitespace(&preferred_language)) + { + if (!extract_token(&pref_lang, ',', &preferred_language)) + { + /* last entry in a comma-separated list or single entry */ + pref_lang = preferred_language; + } + + /* eat trailing whitespace */ + pos = pref_lang.ptr + pref_lang.len - 1; + while (pref_lang.len && *pos-- == ' ') + { + pref_lang.len--; + } + + for (i = 0 ; i < countof(reasons); i++) + { + lang = chunk_create(reasons[i].lang, strlen(reasons[i].lang)); + if (chunk_equals(lang, pref_lang)) + { + this->reason_string = chunk_cat("cc", + chunk_create(reasons[i].string, + strlen(reasons[i].string)), + chunk_create(this->violating_ports, + strlen(this->violating_ports))); + *reason_string = this->reason_string; + *reason_language = lang; + return TRUE; + } + } + } + + /* no preferred language match found - use the default language */ + + this->reason_string = chunk_cat("cc", + chunk_create(reasons[0].string, + strlen(reasons[0].string)), + chunk_create(this->violating_ports, + strlen(this->violating_ports))); + *reason_string = this->reason_string; + *reason_language = chunk_create(reasons[0].lang, + strlen(reasons[0].lang)); + return TRUE; +} + +METHOD(imv_state_t, destroy, void, + private_imv_scanner_state_t *this) +{ + free(this->violating_ports); + free(this->reason_string.ptr); + free(this); +} + +METHOD(imv_scanner_state_t, set_violating_ports, void, + private_imv_scanner_state_t *this, char *ports) +{ + this->violating_ports = strdup(ports); +} + +/** + * Described in header. + */ +imv_state_t *imv_scanner_state_create(TNC_ConnectionID connection_id) +{ + private_imv_scanner_state_t *this; + + INIT(this, + .public = { + .interface = { + .get_connection_id = _get_connection_id, + .has_long = _has_long, + .has_excl = _has_excl, + .set_flags = _set_flags, + .change_state = _change_state, + .get_recommendation = _get_recommendation, + .set_recommendation = _set_recommendation, + .get_reason_string = _get_reason_string, + .destroy = _destroy, + }, + .set_violating_ports = _set_violating_ports, + }, + .state = TNC_CONNECTION_STATE_CREATE, + .rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION, + .eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW, + .connection_id = connection_id, + ); + + return &this->public.interface; +} + + diff --git a/src/libimcv/plugins/imv_scanner/imv_scanner_state.h b/src/libimcv/plugins/imv_scanner/imv_scanner_state.h new file mode 100644 index 000000000..716ddfea0 --- /dev/null +++ b/src/libimcv/plugins/imv_scanner/imv_scanner_state.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2011 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 <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + */ + +/** + * + * @defgroup imv_scanner_state_t imv_scanner_state + * @{ @ingroup imv_scanner_state + */ + +#ifndef IMV_SCANNER_STATE_H_ +#define IMV_SCANNER_STATE_H_ + +#include <imv/imv_state.h> +#include <library.h> + +typedef struct imv_scanner_state_t imv_scanner_state_t; + +/** + * Internal state of an imv_scanner_t connection instance + */ +struct imv_scanner_state_t { + + /** + * imv_state_t interface + */ + imv_state_t interface; + + /** + * list of violating TCP and UDP ports + */ + void (*set_violating_ports)(imv_scanner_state_t *this, char *ports); +}; + +/** + * Create an imv_scanner_state_t instance + * + * @param id connection ID + */ +imv_state_t* imv_scanner_state_create(TNC_ConnectionID id); + +#endif /** IMV_SCANNER_STATE_H_ @}*/ |