1: /*
2: * Copyright (C) 2006 Mike McCauley
3: * Copyright (C) 2010-2011 Andreas Steffen
4: * HSR Hochschule fuer Technik Rapperswil
5: *
6: * This program is free software; you can redistribute it and/or modify it
7: * under the terms of the GNU General Public License as published by the
8: * Free Software Foundation; either version 2 of the License, or (at your
9: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * for more details.
15: */
16:
17: #include <tnc/tnc.h>
18: #include <tnc/imv/imv_manager.h>
19: #include <tnc/tnccs/tnccs_manager.h>
20:
21: #include <utils/debug.h>
22:
23: /**
24: * Called by the IMV to inform a TNCS about the set of message types the IMV
25: * is able to receive
26: */
27: TNC_Result TNC_TNCS_ReportMessageTypes(TNC_IMVID imv_id,
28: TNC_MessageTypeList supported_types,
29: TNC_UInt32 type_count)
30: {
31: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
32: {
33: DBG1(DBG_TNC, "ignoring ReportMessageTypes() from unregistered IMV %u",
34: imv_id);
35: return TNC_RESULT_INVALID_PARAMETER;
36: }
37: return tnc->imvs->set_message_types(tnc->imvs, imv_id, supported_types,
38: type_count);
39: }
40:
41: /**
42: * Called by the IMV to inform a TNCS about the set of message types the IMV
43: * is able to receive. This function supports long message types.
44: */
45: TNC_Result TNC_TNCS_ReportMessageTypesLong(TNC_IMVID imv_id,
46: TNC_VendorIDList supported_vids,
47: TNC_MessageSubtypeList supported_subtypes,
48: TNC_UInt32 type_count)
49: {
50: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
51: {
52: DBG1(DBG_TNC, "ignoring ReportMessageTypesLong() from unregistered IMV %u",
53: imv_id);
54: return TNC_RESULT_INVALID_PARAMETER;
55: }
56: return tnc->imvs->set_message_types_long(tnc->imvs, imv_id, supported_vids,
57: supported_subtypes, type_count);
58: }
59:
60: /**
61: * Called by the IMV to ask a TNCS to retry an Integrity Check Handshake
62: */
63: TNC_Result TNC_TNCS_RequestHandshakeRetry(TNC_IMVID imv_id,
64: TNC_ConnectionID connection_id,
65: TNC_RetryReason reason)
66: {
67: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
68: {
69: DBG1(DBG_TNC, "ignoring RequestHandshakeRetry() from unregistered IMV %u",
70: imv_id);
71: return TNC_RESULT_INVALID_PARAMETER;
72: }
73: return tnc->tnccs->request_handshake_retry(tnc->tnccs, FALSE, imv_id,
74: connection_id, reason);
75: }
76:
77: /**
78: * Called by the IMV when an IMV-IMC message is to be sent
79: */
80: TNC_Result TNC_TNCS_SendMessage(TNC_IMVID imv_id,
81: TNC_ConnectionID connection_id,
82: TNC_BufferReference msg,
83: TNC_UInt32 msg_len,
84: TNC_MessageType msg_type)
85: {
86: TNC_VendorID msg_vid;
87: TNC_MessageSubtype msg_subtype;
88:
89: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
90: {
91: DBG1(DBG_TNC, "ignoring SendMessage() from unregistered IMV %u",
92: imv_id);
93: return TNC_RESULT_INVALID_PARAMETER;
94: }
95: msg_vid = (msg_type >> 8) & TNC_VENDORID_ANY;
96: msg_subtype = msg_type & TNC_SUBTYPE_ANY;
97:
98: return tnc->tnccs->send_message(tnc->tnccs, TNC_IMCID_ANY, imv_id,
99: connection_id, 0, msg, msg_len, msg_vid, msg_subtype);
100: }
101:
102: /**
103: * Called by the IMV when an IMV-IMC message is to be sent over IF-TNCCS 2.0
104: */
105: TNC_Result TNC_TNCS_SendMessageLong(TNC_IMVID imv_id,
106: TNC_ConnectionID connection_id,
107: TNC_UInt32 msg_flags,
108: TNC_BufferReference msg,
109: TNC_UInt32 msg_len,
110: TNC_VendorID msg_vid,
111: TNC_MessageSubtype msg_subtype,
112: TNC_UInt32 imc_id)
113: {
114: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
115: {
116: DBG1(DBG_TNC, "ignoring SendMessageLong() from unregistered IMV %u",
117: imv_id);
118: return TNC_RESULT_INVALID_PARAMETER;
119: }
120: return tnc->tnccs->send_message(tnc->tnccs, imc_id, imv_id, connection_id,
121: msg_flags, msg, msg_len, msg_vid, msg_subtype);
122: }
123:
124: /**
125: * Called by the IMV to deliver its IMV Action Recommendation and IMV Evaluation
126: * Result to the TNCS
127: */
128: TNC_Result TNC_TNCS_ProvideRecommendation(TNC_IMVID imv_id,
129: TNC_ConnectionID connection_id,
130: TNC_IMV_Action_Recommendation recommendation,
131: TNC_IMV_Evaluation_Result evaluation)
132: {
133: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
134: {
135: DBG1(DBG_TNC, "ignoring ProvideRecommendation() from unregistered IMV %u",
136: imv_id);
137: return TNC_RESULT_INVALID_PARAMETER;
138: }
139: return tnc->tnccs->provide_recommendation(tnc->tnccs, imv_id, connection_id,
140: recommendation, evaluation);
141: }
142:
143: /**
144: * Called by the IMV to get the value of an attribute associated with a
145: * connection or with the TNCS as a whole.
146: */
147: TNC_Result TNC_TNCS_GetAttribute(TNC_IMVID imv_id,
148: TNC_ConnectionID connection_id,
149: TNC_AttributeID attribute_id,
150: TNC_UInt32 buffer_len,
151: TNC_BufferReference buffer,
152: TNC_UInt32 *out_value_len)
153: {
154: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
155: {
156: DBG1(DBG_TNC, "ignoring GetAttribute() from unregistered IMV %u",
157: imv_id);
158: return TNC_RESULT_INVALID_PARAMETER;
159: }
160: return tnc->tnccs->get_attribute(tnc->tnccs, FALSE, imv_id, connection_id,
161: attribute_id, buffer_len, buffer, out_value_len);
162: }
163:
164: /**
165: * Called by the IMV to set the value of an attribute associated with a
166: * connection or with the TNCS as a whole.
167: */
168: TNC_Result TNC_TNCS_SetAttribute(TNC_IMVID imv_id,
169: TNC_ConnectionID connection_id,
170: TNC_AttributeID attribute_id,
171: TNC_UInt32 buffer_len,
172: TNC_BufferReference buffer)
173: {
174: if (!tnc->imvs->is_registered(tnc->imvs, imv_id))
175: {
176: DBG1(DBG_TNC, "ignoring SetAttribute() from unregistered IMV %u",
177: imv_id);
178: return TNC_RESULT_INVALID_PARAMETER;
179: }
180: return tnc->tnccs->set_attribute(tnc->tnccs, FALSE, imv_id, connection_id,
181: attribute_id, buffer_len, buffer);
182: }
183:
184: /**
185: * Called by the IMV when it wants to reserve an additional IMV ID for itself
186: */
187: TNC_Result TNC_TNCS_ReserveAdditionalIMVID(TNC_IMVID imv_id, TNC_UInt32 *new_id)
188: {
189: if (tnc->imvs->reserve_id(tnc->imvs, imv_id, new_id))
190: {
191: return TNC_RESULT_SUCCESS;
192: }
193: DBG1(DBG_TNC, "ignoring ReserveAdditionalIMVID() from unregistered IMV %u",
194: imv_id);
195: return TNC_RESULT_INVALID_PARAMETER;
196: }
197:
198: /**
199: * Called by the IMV when it needs a function pointer
200: */
201: TNC_Result TNC_TNCS_BindFunction(TNC_IMVID id,
202: char *function_name,
203: void **function_pointer)
204: {
205: if (streq(function_name, "TNC_TNCS_ReportMessageTypes"))
206: {
207: *function_pointer = (void*)TNC_TNCS_ReportMessageTypes;
208: }
209: else if (streq(function_name, "TNC_TNCS_ReportMessageTypesLong"))
210: {
211: *function_pointer = (void*)TNC_TNCS_ReportMessageTypesLong;
212: }
213: else if (streq(function_name, "TNC_TNCS_RequestHandshakeRetry"))
214: {
215: *function_pointer = (void*)TNC_TNCS_RequestHandshakeRetry;
216: }
217: else if (streq(function_name, "TNC_TNCS_SendMessage"))
218: {
219: *function_pointer = (void*)TNC_TNCS_SendMessage;
220: }
221: else if (streq(function_name, "TNC_TNCS_SendMessageLong"))
222: {
223: *function_pointer = (void*)TNC_TNCS_SendMessageLong;
224: }
225: else if (streq(function_name, "TNC_TNCS_ProvideRecommendation"))
226: {
227: *function_pointer = (void*)TNC_TNCS_ProvideRecommendation;
228: }
229: else if (streq(function_name, "TNC_TNCS_GetAttribute"))
230: {
231: *function_pointer = (void*)TNC_TNCS_GetAttribute;
232: }
233: else if (streq(function_name, "TNC_TNCS_SetAttribute"))
234: {
235: *function_pointer = (void*)TNC_TNCS_SetAttribute;
236: }
237: else if (streq(function_name, "TNC_TNCS_ReserveAdditionalIMVID"))
238: {
239: *function_pointer = (void*)TNC_TNCS_ReserveAdditionalIMVID;
240: }
241: else
242: {
243: return TNC_RESULT_INVALID_PARAMETER;
244: }
245: return TNC_RESULT_SUCCESS;
246: }
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