Line data Source code
1 : /*
2 : * Copyright (c) 2015 Cisco and/or its affiliates.
3 : * Licensed under the Apache License, Version 2.0 (the "License");
4 : * you may not use this file except in compliance with the License.
5 : * You may obtain a copy of the License at:
6 : *
7 : * http://www.apache.org/licenses/LICENSE-2.0
8 : *
9 : * Unless required by applicable law or agreed to in writing, software
10 : * distributed under the License is distributed on an "AS IS" BASIS,
11 : * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 : * See the License for the specific language governing permissions and
13 : * limitations under the License.
14 : */
15 : #include <vnet/vnet.h>
16 : #include <vnet/api_errno.h>
17 : #include <vnet/ip/ip.h>
18 : #include <vnet/interface.h>
19 :
20 : #include <vnet/ipsec/ipsec.h>
21 : #include <plugins/ikev2/ikev2.h>
22 : #include <plugins/ikev2/ikev2_priv.h>
23 :
24 : u8 *
25 0 : format_ikev2_sa_transform (u8 * s, va_list * args)
26 : {
27 0 : ikev2_sa_transform_t *tr = va_arg (*args, ikev2_sa_transform_t *);
28 :
29 0 : if (!tr)
30 0 : return s;
31 :
32 0 : if (tr->type >= IKEV2_TRANSFORM_NUM_TYPES)
33 0 : return s;
34 :
35 0 : s = format (s, "%U:", format_ikev2_transform_type, tr->type);
36 :
37 0 : switch (tr->type)
38 : {
39 0 : case IKEV2_TRANSFORM_TYPE_ENCR:
40 0 : s = format (s, "%U", format_ikev2_transform_encr_type, tr->encr_type);
41 0 : break;
42 0 : case IKEV2_TRANSFORM_TYPE_PRF:
43 0 : s = format (s, "%U", format_ikev2_transform_prf_type, tr->prf_type);
44 0 : break;
45 0 : case IKEV2_TRANSFORM_TYPE_INTEG:
46 0 : s = format (s, "%U", format_ikev2_transform_integ_type, tr->integ_type);
47 0 : break;
48 0 : case IKEV2_TRANSFORM_TYPE_DH:
49 0 : s = format (s, "%U", format_ikev2_transform_dh_type, tr->dh_type);
50 0 : break;
51 0 : case IKEV2_TRANSFORM_TYPE_ESN:
52 0 : s = format (s, "%U", format_ikev2_transform_esn_type, tr->esn_type);
53 0 : break;
54 0 : default:
55 0 : break;
56 : }
57 :
58 0 : if (tr->type == IKEV2_TRANSFORM_TYPE_ENCR &&
59 0 : tr->encr_type == IKEV2_TRANSFORM_ENCR_TYPE_AES_CBC && tr->key_len)
60 0 : s = format (s, "-%u", tr->key_len * 8);
61 0 : else if (vec_len (tr->attrs) == 4 && tr->attrs[0] == 0x80
62 0 : && tr->attrs[1] == 0x0e)
63 0 : s = format (s, "-%u", tr->attrs[2] * 256 + tr->attrs[3]);
64 0 : else if (vec_len (tr->attrs))
65 0 : s = format (s, "(unknown attr %U)", format_hex_bytes,
66 0 : tr->attrs, vec_len (tr->attrs));
67 :
68 0 : return s;
69 : }
70 :
71 : #define MACRO_FORMAT(lc) \
72 : u8 * format_ikev2_##lc (u8 * s, va_list * args) \
73 : { \
74 : u32 i = va_arg (*args, u32); \
75 : char * t = 0; \
76 : switch (i) { \
77 : foreach_ikev2_##lc \
78 : default: \
79 : return format (s, "unknown (%u)", i); \
80 : } \
81 : s = format (s, "%s", t); \
82 : return s; \
83 : }
84 :
85 : #define MACRO_UNFORMAT(lc) \
86 : uword \
87 : unformat_ikev2_##lc (unformat_input_t * input, \
88 : va_list * args) \
89 : { \
90 : u32 * r = va_arg (*args, u32 *); \
91 : if (0) ; \
92 : foreach_ikev2_##lc \
93 : else \
94 : return 0; \
95 : return 1; \
96 : }
97 :
98 : #define _(v,f,str) case IKEV2_AUTH_METHOD_##f: t = str; break;
99 0 : MACRO_FORMAT (auth_method)
100 : #undef _
101 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_AUTH_METHOD_##f;
102 0 : MACRO_UNFORMAT (auth_method)
103 : #undef _
104 : #define _(v,f,str) case IKEV2_TRANSFORM_TYPE_##f: t = str; break;
105 0 : MACRO_FORMAT (transform_type)
106 : #undef _
107 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_TYPE_##f;
108 0 : MACRO_UNFORMAT (transform_type)
109 : #undef _
110 : #define _(v,f) case IKEV2_NOTIFY_MSG_##f: t = #f; break;
111 0 : MACRO_FORMAT (notify_msg_type)
112 : #undef _
113 : #define _(v,f,str) case IKEV2_ID_TYPE_##f: t = str; break;
114 0 : MACRO_FORMAT (id_type)
115 : #undef _
116 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_ID_TYPE_##f;
117 0 : MACRO_UNFORMAT (id_type)
118 : #undef _
119 : #define _(v,f,str) case IKEV2_TRANSFORM_ENCR_TYPE_##f: t = str; break;
120 0 : MACRO_FORMAT (transform_encr_type)
121 : #undef _
122 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_ENCR_TYPE_##f;
123 0 : MACRO_UNFORMAT (transform_encr_type)
124 : #undef _
125 : #define _(v,f,str) case IKEV2_TRANSFORM_PRF_TYPE_##f: t = str; break;
126 0 : MACRO_FORMAT (transform_prf_type)
127 : #undef _
128 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_PRF_TYPE_##f;
129 0 : MACRO_UNFORMAT (transform_prf_type)
130 : #undef _
131 : #define _(v,f,str) case IKEV2_TRANSFORM_INTEG_TYPE_##f: t = str; break;
132 0 : MACRO_FORMAT (transform_integ_type)
133 : #undef _
134 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_INTEG_TYPE_##f;
135 0 : MACRO_UNFORMAT (transform_integ_type)
136 : #undef _
137 : #define _(v,f,str) case IKEV2_TRANSFORM_DH_TYPE_##f: t = str; break;
138 0 : MACRO_FORMAT (transform_dh_type)
139 : #undef _
140 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_DH_TYPE_##f;
141 0 : MACRO_UNFORMAT (transform_dh_type)
142 : #undef _
143 : #define _(v,f,str) case IKEV2_TRANSFORM_ESN_TYPE_##f: t = str; break;
144 0 : MACRO_FORMAT (transform_esn_type)
145 : #undef _
146 : #define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_ESN_TYPE_##f;
147 0 : MACRO_UNFORMAT (transform_esn_type)
148 : #undef _
149 : /*
150 : * fd.io coding-style-patch-verification: ON
151 : *
152 : * Local Variables:
153 : * eval: (c-set-style "gnu")
154 : * End:
155 : */
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