Annotation of embedaddon/strongswan/src/libstrongswan/eap/eap.c, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 2012 Tobias Brunner
3: * Copyright (C) 2006 Martin Willi
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 <stdlib.h>
18: #include <errno.h>
19:
20: #include "eap.h"
21:
22: #include <utils/debug.h>
23:
24: ENUM(eap_code_names, EAP_REQUEST, EAP_FAILURE,
25: "EAP_REQUEST",
26: "EAP_RESPONSE",
27: "EAP_SUCCESS",
28: "EAP_FAILURE",
29: );
30:
31: ENUM(eap_code_short_names, EAP_REQUEST, EAP_FAILURE,
32: "REQ",
33: "RES",
34: "SUCC",
35: "FAIL",
36: );
37:
38: ENUM_BEGIN(eap_type_names, EAP_IDENTITY, EAP_GTC,
39: "EAP_IDENTITY",
40: "EAP_NOTIFICATION",
41: "EAP_NAK",
42: "EAP_MD5",
43: "EAP_OTP",
44: "EAP_GTC");
45: ENUM_NEXT(eap_type_names, EAP_TLS, EAP_TLS, EAP_GTC,
46: "EAP_TLS");
47: ENUM_NEXT(eap_type_names, EAP_SIM, EAP_SIM, EAP_TLS,
48: "EAP_SIM");
49: ENUM_NEXT(eap_type_names, EAP_TTLS, EAP_TTLS, EAP_SIM,
50: "EAP_TTLS");
51: ENUM_NEXT(eap_type_names, EAP_AKA, EAP_AKA, EAP_TTLS,
52: "EAP_AKA");
53: ENUM_NEXT(eap_type_names, EAP_PEAP, EAP_MSCHAPV2, EAP_AKA,
54: "EAP_PEAP",
55: "EAP_MSCHAPV2");
56: ENUM_NEXT(eap_type_names, EAP_MSTLV, EAP_MSTLV, EAP_MSCHAPV2,
57: "EAP_MSTLV");
58: ENUM_NEXT(eap_type_names, EAP_TNC, EAP_TNC, EAP_MSTLV,
59: "EAP_TNC");
60: ENUM_NEXT(eap_type_names, EAP_PT_EAP, EAP_PT_EAP, EAP_TNC,
61: "EAP_PT_EAP");
62: ENUM_NEXT(eap_type_names, EAP_EXPANDED, EAP_DYNAMIC, EAP_PT_EAP,
63: "EAP_EXPANDED",
64: "EAP_EXPERIMENTAL",
65: "EAP_RADIUS",
66: "EAP_DYNAMIC");
67: ENUM_END(eap_type_names, EAP_DYNAMIC);
68:
69: ENUM_BEGIN(eap_type_short_names, EAP_IDENTITY, EAP_GTC,
70: "ID",
71: "NTF",
72: "NAK",
73: "MD5",
74: "OTP",
75: "GTC");
76: ENUM_NEXT(eap_type_short_names, EAP_TLS, EAP_TLS, EAP_GTC,
77: "TLS");
78: ENUM_NEXT(eap_type_short_names, EAP_SIM, EAP_SIM, EAP_TLS,
79: "SIM");
80: ENUM_NEXT(eap_type_short_names, EAP_TTLS, EAP_TTLS, EAP_SIM,
81: "TTLS");
82: ENUM_NEXT(eap_type_short_names, EAP_AKA, EAP_AKA, EAP_TTLS,
83: "AKA");
84: ENUM_NEXT(eap_type_short_names, EAP_PEAP, EAP_MSCHAPV2, EAP_AKA,
85: "PEAP",
86: "MSCHAPV2");
87: ENUM_NEXT(eap_type_short_names, EAP_MSTLV, EAP_MSTLV, EAP_MSCHAPV2,
88: "MSTLV");
89: ENUM_NEXT(eap_type_short_names, EAP_TNC, EAP_TNC, EAP_MSTLV,
90: "TNC");
91: ENUM_NEXT(eap_type_short_names, EAP_PT_EAP, EAP_PT_EAP, EAP_TNC,
92: "PT");
93: ENUM_NEXT(eap_type_short_names, EAP_EXPANDED, EAP_DYNAMIC, EAP_PT_EAP,
94: "EXP",
95: "XP",
96: "RAD",
97: "DYN");
98: ENUM_END(eap_type_short_names, EAP_DYNAMIC);
99:
100: /*
101: * See header
102: */
103: eap_type_t eap_type_from_string(char *name)
104: {
105: int i;
106: static struct {
107: char *name;
108: eap_type_t type;
109: } types[] = {
110: {"identity", EAP_IDENTITY},
111: {"md5", EAP_MD5},
112: {"otp", EAP_OTP},
113: {"gtc", EAP_GTC},
114: {"tls", EAP_TLS},
115: {"ttls", EAP_TTLS},
116: {"sim", EAP_SIM},
117: {"aka", EAP_AKA},
118: {"peap", EAP_PEAP},
119: {"mschapv2", EAP_MSCHAPV2},
120: {"tnc", EAP_TNC},
121: {"pt", EAP_PT_EAP},
122: {"dynamic", EAP_DYNAMIC},
123: {"radius", EAP_RADIUS},
124: };
125:
126: for (i = 0; i < countof(types); i++)
127: {
128: if (strcaseeq(name, types[i].name))
129: {
130: return types[i].type;
131: }
132: }
133: return 0;
134: }
135:
136: /*
137: * See header
138: */
139: eap_vendor_type_t *eap_vendor_type_from_string(char *str)
140: {
141: enumerator_t *enumerator;
142: eap_vendor_type_t *result = NULL;
143: eap_type_t type = 0;
144: uint32_t vendor = 0;
145: char *part, *end;
146:
147: /* parse EAP method string of the form: [eap-]type[-vendor] */
148: enumerator = enumerator_create_token(str, "-", " ");
149: while (enumerator->enumerate(enumerator, &part))
150: {
151: if (!type)
152: {
153: if (streq(part, "eap"))
154: { /* skip 'eap' at the beginning */
155: continue;
156: }
157: type = eap_type_from_string(part);
158: if (!type)
159: {
160: errno = 0;
161: type = strtoul(part, &end, 0);
162: if (*end != '\0' || errno)
163: {
164: DBG1(DBG_LIB, "unknown or invalid EAP method: %s", part);
165: break;
166: }
167: }
168: continue;
169: }
170: errno = 0;
171: vendor = strtoul(part, &end, 0);
172: if (*end != '\0' || errno)
173: {
174: DBG1(DBG_LIB, "invalid EAP vendor: %s", part);
175: type = 0;
176: }
177: break;
178: }
179: enumerator->destroy(enumerator);
180:
181: if (type)
182: {
183: INIT(result,
184: .type = type,
185: .vendor = vendor,
186: );
187: }
188: return result;
189: }
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