diff options
author | Yves-Alexis Perez <corsac@debian.org> | 2013-01-02 14:18:20 +0100 |
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committer | Yves-Alexis Perez <corsac@debian.org> | 2013-01-02 14:18:20 +0100 |
commit | c1343b3278cdf99533b7902744d15969f9d6fdc1 (patch) | |
tree | d5ed3dc5677a59260ec41cd39bb284d3e94c91b3 /src/libimcv/plugins/imc_scanner | |
parent | b34738ed08c2227300d554b139e2495ca5da97d6 (diff) | |
download | vyos-strongswan-c1343b3278cdf99533b7902744d15969f9d6fdc1.tar.gz vyos-strongswan-c1343b3278cdf99533b7902744d15969f9d6fdc1.zip |
Imported Upstream version 5.0.1
Diffstat (limited to 'src/libimcv/plugins/imc_scanner')
-rw-r--r-- | src/libimcv/plugins/imc_scanner/Makefile.in | 14 | ||||
-rw-r--r-- | src/libimcv/plugins/imc_scanner/imc_scanner.c | 67 | ||||
-rw-r--r-- | src/libimcv/plugins/imc_scanner/imc_scanner_state.c | 51 |
3 files changed, 113 insertions, 19 deletions
diff --git a/src/libimcv/plugins/imc_scanner/Makefile.in b/src/libimcv/plugins/imc_scanner/Makefile.in index 497d317d5..d06798170 100644 --- a/src/libimcv/plugins/imc_scanner/Makefile.in +++ b/src/libimcv/plugins/imc_scanner/Makefile.in @@ -49,6 +49,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/config/libtool.m4 \ am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ $(ACLOCAL_M4) mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h CONFIG_CLEAN_FILES = CONFIG_CLEAN_VPATH_FILES = am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; @@ -81,7 +82,7 @@ imc_scanner_la_OBJECTS = $(am_imc_scanner_la_OBJECTS) imc_scanner_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ $(imc_scanner_la_LDFLAGS) $(LDFLAGS) -o $@ -DEFAULT_INCLUDES = -I.@am__isrc@ +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) depcomp = $(SHELL) $(top_srcdir)/depcomp am__depfiles_maybe = depfiles am__mv = mv -f @@ -107,6 +108,7 @@ AUTOCONF = @AUTOCONF@ AUTOHEADER = @AUTOHEADER@ AUTOMAKE = @AUTOMAKE@ AWK = @AWK@ +BFDLIB = @BFDLIB@ BTLIB = @BTLIB@ CC = @CC@ CCDEPMODE = @CCDEPMODE@ @@ -201,11 +203,14 @@ build_os = @build_os@ build_vendor = @build_vendor@ builddir = @builddir@ c_plugins = @c_plugins@ +charon_natt_port = @charon_natt_port@ +charon_plugins = @charon_plugins@ +charon_udp_port = @charon_udp_port@ clearsilver_LIBS = @clearsilver_LIBS@ datadir = @datadir@ datarootdir = @datarootdir@ dbusservicedir = @dbusservicedir@ -default_pkcs11 = @default_pkcs11@ +dev_headers = @dev_headers@ docdir = @docdir@ dvidir = @dvidir@ exec_prefix = @exec_prefix@ @@ -222,11 +227,12 @@ imcvdir = @imcvdir@ includedir = @includedir@ infodir = @infodir@ install_sh = @install_sh@ +ipsec_script = @ipsec_script@ +ipsec_script_upper = @ipsec_script_upper@ ipsecdir = @ipsecdir@ ipsecgroup = @ipsecgroup@ ipseclibdir = @ipseclibdir@ ipsecuser = @ipsecuser@ -libcharon_plugins = @libcharon_plugins@ libdir = @libdir@ libexecdir = @libexecdir@ linux_headers = @linux_headers@ @@ -242,6 +248,7 @@ mkdir_p = @mkdir_p@ nm_CFLAGS = @nm_CFLAGS@ nm_LIBS = @nm_LIBS@ nm_ca_dir = @nm_ca_dir@ +nm_plugins = @nm_plugins@ oldincludedir = @oldincludedir@ openac_plugins = @openac_plugins@ p_plugins = @p_plugins@ @@ -251,7 +258,6 @@ pdfdir = @pdfdir@ piddir = @piddir@ pki_plugins = @pki_plugins@ plugindir = @plugindir@ -pluto_plugins = @pluto_plugins@ pool_plugins = @pool_plugins@ prefix = @prefix@ program_transform_name = @program_transform_name@ diff --git a/src/libimcv/plugins/imc_scanner/imc_scanner.c b/src/libimcv/plugins/imc_scanner/imc_scanner.c index b24c39c3a..34c9359fe 100644 --- a/src/libimcv/plugins/imc_scanner/imc_scanner.c +++ b/src/libimcv/plugins/imc_scanner/imc_scanner.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2011 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil + * Copyright (C) 2011-2012 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 @@ -19,8 +20,8 @@ #include <ietf/ietf_attr.h> #include <ietf/ietf_attr_pa_tnc_error.h> #include <ietf/ietf_attr_port_filter.h> +#include <ietf/ietf_attr_assess_result.h> -#include <tncif_names.h> #include <tncif_pa_subtypes.h> #include <pen/pen.h> @@ -37,7 +38,7 @@ static const char imc_name[] = "Scanner"; #define IMC_SUBTYPE PA_SUBTYPE_ITA_SCANNER static imc_agent_t *imc_scanner; - + /** * see section 3.8.1 of TCG TNC IF-IMC Specification 1.3 */ @@ -84,6 +85,15 @@ TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id, case TNC_CONNECTION_STATE_CREATE: state = imc_scanner_state_create(connection_id); return imc_scanner->create_state(imc_scanner, state); + case TNC_CONNECTION_STATE_HANDSHAKE: + if (imc_scanner->change_state(imc_scanner, 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_scanner->delete_state(imc_scanner, connection_id); default: @@ -123,7 +133,7 @@ static bool do_netstat(ietf_attr_port_filter_t *attr) enumerator_t *enumerator; bool allowed, found = FALSE; - DBG2(DBG_IMC, "%.*s", strlen(buf)-1, buf); + DBG2(DBG_IMC, "%.*s", (int)(strlen(buf)-1), buf); if (n++ < 2) { @@ -199,7 +209,7 @@ static bool do_netstat(ietf_attr_port_filter_t *attr) } } enumerator->destroy(enumerator); - + /* Skip the duplicate port entry */ if (found) { @@ -221,7 +231,7 @@ end: static TNC_Result send_message(TNC_ConnectionID connection_id) { - pa_tnc_msg_t *msg; + linked_list_t *attr_list; pa_tnc_attr_t *attr; ietf_attr_port_filter_t *attr_port_filter; TNC_Result result; @@ -234,12 +244,11 @@ static TNC_Result send_message(TNC_ConnectionID connection_id) attr->destroy(attr); return TNC_RESULT_FATAL; } - msg = pa_tnc_msg_create(); - msg->add_attribute(msg, attr); - msg->build(msg); + attr_list = linked_list_create(); + attr_list->insert_last(attr_list, attr); result = imc_scanner->send_message(imc_scanner, connection_id, FALSE, 0, - TNC_IMVID_ANY, msg->get_encoding(msg)); - msg->destroy(msg); + TNC_IMVID_ANY, attr_list); + attr_list->destroy(attr_list); return result; } @@ -268,8 +277,12 @@ static TNC_Result receive_message(TNC_IMCID imc_id, TNC_UInt32 dst_imc_id) { pa_tnc_msg_t *pa_tnc_msg; + pa_tnc_attr_t *attr; + pen_type_t attr_type; imc_state_t *state; + enumerator_t *enumerator; TNC_Result result; + TNC_UInt32 target_imc_id; bool fatal_error; if (!imc_scanner) @@ -284,7 +297,7 @@ static TNC_Result receive_message(TNC_IMCID imc_id, return TNC_RESULT_FATAL; } - /* parse received PA-TNC message and automatically handle any errors */ + /* parse received PA-TNC message and automatically handle any errors */ result = imc_scanner->receive_message(imc_scanner, state, msg, msg_vid, msg_subtype, src_imv_id, dst_imc_id, &pa_tnc_msg); @@ -293,17 +306,43 @@ static TNC_Result receive_message(TNC_IMCID imc_id, { return result; } + target_imc_id = (dst_imc_id == TNC_IMCID_ANY) ? imc_id : dst_imc_id; /* 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)) + { + attr_type = attr->get_type(attr); + + if (attr_type.vendor_id == PEN_IETF && + attr_type.type == IETF_ATTR_ASSESSMENT_RESULT) + { + ietf_attr_assess_result_t *ietf_attr; + + ietf_attr = (ietf_attr_assess_result_t*)attr; + state->set_result(state, target_imc_id, + ietf_attr->get_result(ietf_attr)); + } + } + enumerator->destroy(enumerator); pa_tnc_msg->destroy(pa_tnc_msg); - /* if no error occurred then always return the same response */ - return fatal_error ? TNC_RESULT_FATAL : send_message(connection_id); + if (fatal_error) + { + return TNC_RESULT_FATAL; + } + + /* if no assessment result is known then repeat the measurement */ + return state->get_result(state, target_imc_id, NULL) ? + TNC_RESULT_SUCCESS : send_message(connection_id); } /** * see section 3.8.4 of TCG TNC IF-IMC Specification 1.3 + */ TNC_Result TNC_IMC_ReceiveMessage(TNC_IMCID imc_id, TNC_ConnectionID connection_id, diff --git a/src/libimcv/plugins/imc_scanner/imc_scanner_state.c b/src/libimcv/plugins/imc_scanner/imc_scanner_state.c index 563105548..991b24a73 100644 --- a/src/libimcv/plugins/imc_scanner/imc_scanner_state.c +++ b/src/libimcv/plugins/imc_scanner/imc_scanner_state.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2011 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil + * Copyright (C) 2011-2012 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 @@ -14,6 +15,8 @@ #include "imc_scanner_state.h" +#include <tncif_names.h> + #include <debug.h> typedef struct private_imc_scanner_state_t private_imc_scanner_state_t; @@ -39,6 +42,11 @@ struct private_imc_scanner_state_t { TNC_ConnectionState state; /** + * Assessment/Evaluation Result + */ + TNC_IMV_Evaluation_Result result; + + /** * Does the TNCCS connection support long message types? */ bool has_long; @@ -48,6 +56,10 @@ struct private_imc_scanner_state_t { */ bool has_excl; + /** + * Maximum PA-TNC message size for this TNCCS connection + */ + u_int32_t max_msg_len; }; METHOD(imc_state_t, get_connection_id, TNC_ConnectionID, @@ -75,12 +87,44 @@ METHOD(imc_state_t, set_flags, void, this->has_excl = has_excl; } +METHOD(imc_state_t, set_max_msg_len, void, + private_imc_scanner_state_t *this, u_int32_t max_msg_len) +{ + this->max_msg_len = max_msg_len; +} + +METHOD(imc_state_t, get_max_msg_len, u_int32_t, + private_imc_scanner_state_t *this) +{ + return this->max_msg_len; +} + METHOD(imc_state_t, change_state, void, private_imc_scanner_state_t *this, TNC_ConnectionState new_state) { this->state = new_state; } +METHOD(imc_state_t, set_result, void, + private_imc_scanner_state_t *this, TNC_IMCID id, + TNC_IMV_Evaluation_Result result) +{ + DBG1(DBG_IMC, "set assessment result for IMC %u to '%N'", + id, TNC_IMV_Evaluation_Result_names, result); + this->result = result; +} + +METHOD(imc_state_t, get_result, bool, + private_imc_scanner_state_t *this, TNC_IMCID id, + TNC_IMV_Evaluation_Result *result) +{ + if (result) + { + *result = this->result; + } + return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW; +} + METHOD(imc_state_t, destroy, void, private_imc_scanner_state_t *this) { @@ -101,11 +145,16 @@ imc_state_t *imc_scanner_state_create(TNC_ConnectionID connection_id) .has_long = _has_long, .has_excl = _has_excl, .set_flags = _set_flags, + .set_max_msg_len = _set_max_msg_len, + .get_max_msg_len = _get_max_msg_len, .change_state = _change_state, + .set_result = _set_result, + .get_result = _get_result, .destroy = _destroy, }, }, .state = TNC_CONNECTION_STATE_CREATE, + .result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW, .connection_id = connection_id, ); |