tls_openssl_test.c revision dd0cc9ec
1/*
2 * tls_openssl_test.c - skeleton vpp-api-test plug-in
3 *
4 * Copyright (c) 2019 Intel Corporation
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17#include <vat/vat.h>
18#include <vlibapi/api.h>
19#include <vlibmemory/api.h>
20#include <vppinfra/error.h>
21#include <ctype.h>
22
23uword unformat_sw_if_index (unformat_input_t * input, va_list * args);
24
25/* Declare message IDs */
26#include <tlsopenssl/tls_openssl_msg_enum.h>
27
28/* define message structures */
29#define vl_typedefs
30#include <tlsopenssl/tls_openssl_all_api_h.h>
31#undef vl_typedefs
32
33/* declare message handlers for each api */
34
35#define vl_endianfun		/* define message structures */
36#include <tlsopenssl/tls_openssl_all_api_h.h>
37#undef vl_endianfun
38
39/* instantiate all the print functions we know about */
40#define vl_print(handle, ...)
41#define vl_printfun
42#include <tlsopenssl/tls_openssl_all_api_h.h>
43#undef vl_printfun
44
45/* Get the API version number. */
46#define vl_api_version(n,v) static u32 api_version=(v);
47#include <tlsopenssl/tls_openssl_all_api_h.h>
48#undef vl_api_version
49
50typedef struct
51{
52  /* API message ID base */
53  u16 msg_id_base;
54  vat_main_t *vat_main;
55} tls_openssl_test_main_t;
56
57tls_openssl_test_main_t tls_openssl_test_main;
58
59#define __plugin_msg_base tls_openssl_test_main.msg_id_base
60#include <vlibapi/vat_helper_macros.h>
61
62#define foreach_standard_reply_retval_handler   \
63_(tls_openssl_set_engine_reply)
64
65#define _(n)                                            \
66    static void vl_api_##n##_t_handler                  \
67    (vl_api_##n##_t * mp)                               \
68    {                                                   \
69        vat_main_t * vam = tls_openssl_test_main.vat_main;   \
70        i32 retval = ntohl(mp->retval);                 \
71        if (vam->async_mode) {                          \
72            vam->async_errors += (retval < 0);          \
73        } else {                                        \
74            vam->retval = retval;                       \
75            vam->result_ready = 1;                      \
76        }                                               \
77    }
78foreach_standard_reply_retval_handler;
79#undef _
80
81/*
82 * Table of message reply handlers, must include boilerplate handlers
83 * we just generated
84 */
85#define foreach_vpe_api_reply_msg                       \
86_(TLS_OPENSSL_SET_ENGINE_REPLY, tls_openssl_set_engine_reply)
87
88
89static int
90api_tls_openssl_set_engine (vat_main_t * vam)
91{
92  unformat_input_t *line_input = vam->input;
93  vl_api_tls_openssl_set_engine_t *mp;
94  u8 *engine_name = 0;
95  u8 *engine_alg = 0;
96  u8 *ciphers = 0;
97  u32 async = 0;
98  int ret;
99
100  /* Parse args required to build the message */
101  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
102    {
103      if (unformat (line_input, "engine %s", &engine_name))
104	;
105      else if (unformat (line_input, "async"))
106	{
107	  async = 1;
108	}
109      else if (unformat (line_input, "alg %s", &engine_alg))
110	;
111      else if (unformat (line_input, "ciphers %s", &ciphers))
112	;
113      else
114	{
115	  errmsg ("unknown input `%U'", format_unformat_error, line_input);
116	  return -99;
117	}
118    }
119
120  if (engine_name == 0)
121    {
122      errmsg ("Must specify engine name");
123      return -99;
124    }
125
126  if (engine_alg == 0)
127    engine_alg = format (0, "ALL");
128  else
129    {
130      for (int i = 0; i < strnlen ((char *) engine_alg, 63); i++)
131	engine_alg[i] = toupper (engine_alg[i]);
132    }
133
134
135  /* Construct the API message */
136  M (TLS_OPENSSL_SET_ENGINE, mp);
137  mp->async_enable = async;
138
139  clib_memcpy_fast (mp->engine, engine_name,
140		    strnlen ((const char *) engine_name, 63));
141
142  clib_memcpy_fast (mp->algorithm, engine_alg,
143		    strnlen ((const char *) engine_alg, 63));
144
145  if (ciphers)
146    clib_memcpy_fast (mp->ciphers, ciphers,
147		      strnlen ((const char *) ciphers, 63));
148
149  /* send it... */
150  S (mp);
151
152  /* Wait for a reply... */
153  W (ret);
154  return ret;
155}
156
157/*
158 * List of messages that the api test plugin sends,
159 * and that the data plane plugin processes
160 */
161#define foreach_vpe_api_msg                                      \
162_(tls_openssl_set_engine, "tls openssl set [engine <engine name>]" \
163"[alg [algorithm] [async]\n")
164
165static void
166tls_openssl_api_hookup (vat_main_t * vam)
167{
168  tls_openssl_test_main_t *htmp = &tls_openssl_test_main;
169  /* Hook up handlers for replies from the data plane plug-in */
170#define _(N,n)                                                  \
171    vl_msg_api_set_handlers((VL_API_##N + htmp->msg_id_base),     \
172                           #n,                                  \
173                           vl_api_##n##_t_handler,              \
174                           vl_noop_handler,                     \
175                           vl_api_##n##_t_endian,               \
176                           vl_api_##n##_t_print,                \
177                           sizeof(vl_api_##n##_t), 1);
178  foreach_vpe_api_reply_msg;
179#undef _
180
181  /* API messages we can send */
182#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
183  foreach_vpe_api_msg;
184#undef _
185
186  /* Help strings */
187#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
188  foreach_vpe_api_msg;
189#undef _
190}
191
192VAT_PLUGIN_REGISTER (tls_openssl);
193
194/*
195 * fd.io coding-style-patch-verification: ON
196 *
197 * Local Variables:
198 * eval: (c-set-style "gnu")
199 * End:
200 */
201