1. Changes for s_client.c to make it return non-zero exit code in case
[openssl.git] / engines / ccgost / gost_eng.c
1 /**********************************************************************
2  *                          gost_eng.c                                *
3  *             Copyright (c) 2005-2006 Cryptocom LTD                  *
4  *         This file is distributed under the same license as OpenSSL *
5  *                                                                    *
6  *              Main file of GOST engine                              *
7  *       for OpenSSL                                                  *
8  *          Requires OpenSSL 0.9.9 for compilation                    *
9  **********************************************************************/
10 #include <string.h>
11 #include <openssl/evp.h>
12 #include <openssl/engine.h>
13 #include <openssl/obj_mac.h>
14 #include "e_gost_err.h"
15 #include "gost_lcl.h"
16 static const char *engine_gost_id = "gost";
17 static const char *engine_gost_name = "Reference implementation of GOST engine";
18
19 /* Symmetric cipher and digest function registrar */
20
21 static int gost_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
22         const int **nids, int nid);
23
24 static int gost_digests(ENGINE *e, const EVP_MD **digest,
25         const int **nids, int ind);
26
27 static int gost_pkey_meths (ENGINE *e, EVP_PKEY_METHOD **pmeth,
28         const int **nids, int nid);
29
30 static int gost_pkey_asn1_meths (ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth,
31         const int **nids, int nid);
32
33 static int gost_cipher_nids[] =
34     {NID_id_Gost28147_89, NID_gost89_cnt,0};
35
36 static int gost_digest_nids[] =
37         {NID_id_GostR3411_94,NID_id_Gost28147_89_MAC, 0};
38
39 static int gost_pkey_meth_nids[] = 
40         {NID_id_GostR3410_94,
41          NID_id_GostR3410_2001, NID_id_Gost28147_89_MAC, 0};
42
43 static EVP_PKEY_METHOD *pmeth_GostR3410_94 = NULL,
44          *pmeth_GostR3410_2001 = NULL,
45         *pmeth_Gost28147_MAC = NULL;
46
47 static EVP_PKEY_ASN1_METHOD *ameth_GostR3410_94 = NULL,
48         *ameth_GostR3410_2001 = NULL,
49         *ameth_Gost28147_MAC = NULL;
50
51
52 static int gost_engine_init(ENGINE *e)
53         { 
54         return 1;
55         }
56
57 static int gost_engine_finish(ENGINE *e)
58         { 
59         return 1;
60         }
61
62 static int gost_engine_destroy(ENGINE *e)
63         { 
64         gost_param_free();
65         return 1;
66         }
67
68 static int bind_gost (ENGINE *e,const char *id) 
69         {
70         int ret = 0;
71         if (id && strcmp(id, engine_gost_id)) return 0;
72
73         if (!ENGINE_set_id(e, engine_gost_id)) 
74                 {
75                 printf("ENGINE_set_id failed\n"); 
76                 goto end;
77                 }       
78         if (!ENGINE_set_name(e, engine_gost_name)) 
79                 {
80                 printf("ENGINE_set_name failed\n");
81                 goto end;
82                 }       
83         if (!ENGINE_set_digests(e, gost_digests)) 
84                 {
85                 printf("ENGINE_set_digests failed\n");
86                 goto end;
87                 }       
88         if (! ENGINE_set_ciphers(e, gost_ciphers)) 
89                 {
90                 printf("ENGINE_set_ciphers failed\n");
91                 goto end;
92                 }       
93         if (! ENGINE_set_pkey_meths(e, gost_pkey_meths)) 
94                 {
95                 printf("ENGINE_set_pkey_meths failed\n");
96                 goto end;
97                 }       
98         if (! ENGINE_set_pkey_asn1_meths(e, gost_pkey_asn1_meths)) 
99                 {
100                 printf("ENGINE_set_pkey_asn1_meths failed\n");
101                 goto end;
102                 }       
103         /* Control function and commands */
104         if (!ENGINE_set_cmd_defns(e,gost_cmds)) 
105                 {
106                 fprintf(stderr,"ENGINE_set_cmd_defns failed\n");
107                 goto end;
108                 }       
109         if (!ENGINE_set_ctrl_function(e,gost_control_func)) 
110                 {
111                 fprintf(stderr,"ENGINE_set_ctrl_func failed\n");
112                 goto end;
113                 }       
114         if ( ! ENGINE_set_destroy_function(e, gost_engine_destroy)
115                 || ! ENGINE_set_init_function(e,gost_engine_init)
116                 || ! ENGINE_set_finish_function(e,gost_engine_finish))
117                 {
118                 goto end;
119                 }
120
121         if (!register_ameth_gost(NID_id_GostR3410_94, &ameth_GostR3410_94, "GOST94", "GOST R 34.10-94")) goto end;
122         if (!register_ameth_gost(NID_id_GostR3410_2001, &ameth_GostR3410_2001, "GOST2001", "GOST R 34.10-2001")) goto end;
123         if (!register_ameth_gost(NID_id_Gost28147_89_MAC, &ameth_Gost28147_MAC,
124                 "GOST-MAC", "GOST 28147-89 MAC")) goto end;
125
126         if (!register_pmeth_gost(NID_id_GostR3410_94, &pmeth_GostR3410_94, 0)) goto end;
127         if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0)) goto end;
128         if (!register_pmeth_gost(NID_id_Gost28147_89_MAC, &pmeth_Gost28147_MAC, 0))
129                 goto end;
130         if ( ! ENGINE_register_ciphers(e)
131                 || ! ENGINE_register_digests(e)
132                 || ! ENGINE_register_pkey_meths(e)
133                 /* These two actually should go in LIST_ADD command */
134                 || ! EVP_add_cipher(&cipher_gost)
135                 || ! EVP_add_cipher(&cipher_gost_cpacnt)
136                 || ! EVP_add_digest(&digest_gost)
137                 || ! EVP_add_digest(&imit_gost_cpa)
138                 )
139                 {
140                 goto end;
141                 }
142
143         ERR_load_GOST_strings();
144         ret = 1;
145         end:
146         return ret;
147         }       
148
149 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
150 IMPLEMENT_DYNAMIC_BIND_FN(bind_gost)
151 IMPLEMENT_DYNAMIC_CHECK_FN()
152 #endif  /* ndef OPENSSL_NO_DYNAMIC_ENGINE */
153
154 static int gost_digests(ENGINE *e, const EVP_MD **digest,
155         const int **nids, int nid)
156         { 
157         int ok =1 ;
158         if (!digest) 
159                 {
160                 *nids = gost_digest_nids;
161                 return 2; 
162                 }
163         /*printf("Digest no %d requested\n",nid);*/
164         if(nid == NID_id_GostR3411_94) 
165                 {
166                 *digest = &digest_gost;
167                 }
168         else if (nid == NID_id_Gost28147_89_MAC) 
169                 {
170                 *digest = &imit_gost_cpa;
171                 }
172         else
173                 {
174                 ok =0;
175                 *digest = NULL;
176                 }
177         return ok;
178         }       
179         
180 static int gost_ciphers (ENGINE *e,const EVP_CIPHER **cipher,
181         const int **nids, int nid) 
182         {
183         int ok = 1;
184         if (!cipher) 
185                 {
186                 *nids = gost_cipher_nids;
187                 return 2; /* two ciphers are supported */
188                 }
189
190         if(nid == NID_id_Gost28147_89) 
191                 {
192                 *cipher = &cipher_gost;
193                 }
194         else if  (nid == NID_gost89_cnt) 
195                 {
196                 *cipher = &cipher_gost_cpacnt;
197                 }
198         else    
199                 {
200                 ok = 0;
201                 *cipher = NULL;
202                 }
203         return ok;
204         }       
205
206 static int gost_pkey_meths (ENGINE *e, EVP_PKEY_METHOD **pmeth,
207         const int **nids, int nid)
208         {
209         if (!pmeth) 
210                 {
211                 *nids = gost_pkey_meth_nids;
212                 return 3;
213                 }
214
215         switch (nid) 
216                 {
217                 case NID_id_GostR3410_94: *pmeth = pmeth_GostR3410_94; return 1;
218                 case NID_id_GostR3410_2001: *pmeth = pmeth_GostR3410_2001; return 1;
219                 case NID_id_Gost28147_89_MAC: *pmeth = pmeth_Gost28147_MAC; return 1;
220                 default:;
221                 }
222         
223         *pmeth = NULL;
224         return 0;
225         }
226
227 static int gost_pkey_asn1_meths (ENGINE *e, EVP_PKEY_ASN1_METHOD **ameth,
228         const int **nids, int nid)
229         {
230         if (!ameth) 
231                 {
232                 *nids = gost_pkey_meth_nids;
233                 return 3;
234                 }
235         switch (nid) 
236                 {
237                 case NID_id_GostR3410_94: *ameth = ameth_GostR3410_94; return 1;
238                 case NID_id_GostR3410_2001: *ameth = ameth_GostR3410_2001; return 1;
239                 case NID_id_Gost28147_89_MAC: *ameth = ameth_Gost28147_MAC; return 1;
240         
241                 default:;
242                 }
243         
244         *ameth = NULL;
245         return 0;
246         }
247
248 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
249 static ENGINE *engine_gost(void)
250         {       
251         ENGINE *ret = ENGINE_new();
252         if (!ret)
253                 return NULL;
254         if (!bind_gost(ret,engine_gost_id)) 
255                 {
256                 ENGINE_free(ret);
257                 return NULL;
258                 }
259         return ret;
260         }
261         
262 void ENGINE_load_gost(void)
263         {
264         ENGINE *toadd =engine_gost();
265         if (!toadd) return;
266         ENGINE_add(toadd);
267         ENGINE_free(toadd);
268         ERR_clear_error();
269         }
270 #endif  
271