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d02b48c6 | 1 | /* ssl/s2_srvr.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
aa82db4f UM |
59 | #include "ssl_locl.h" |
60 | #ifndef NO_SSL2 | |
d02b48c6 | 61 | #include <stdio.h> |
ec577822 BM |
62 | #include <openssl/bio.h> |
63 | #include <openssl/rand.h> | |
64 | #include <openssl/objects.h> | |
ec577822 | 65 | #include <openssl/evp.h> |
d02b48c6 | 66 | |
9b3086fe | 67 | static SSL_METHOD *ssl2_get_server_method(int ver); |
d02b48c6 RE |
68 | static int get_client_master_key(SSL *s); |
69 | static int get_client_hello(SSL *s); | |
70 | static int server_hello(SSL *s); | |
71 | static int get_client_finished(SSL *s); | |
72 | static int server_verify(SSL *s); | |
73 | static int server_finish(SSL *s); | |
74 | static int request_certificate(SSL *s); | |
75 | static int ssl_rsa_private_decrypt(CERT *c, int len, unsigned char *from, | |
76 | unsigned char *to,int padding); | |
d02b48c6 RE |
77 | #define BREAK break |
78 | ||
6b691a5c | 79 | static SSL_METHOD *ssl2_get_server_method(int ver) |
d02b48c6 | 80 | { |
58964a49 | 81 | if (ver == SSL2_VERSION) |
d02b48c6 RE |
82 | return(SSLv2_server_method()); |
83 | else | |
84 | return(NULL); | |
85 | } | |
86 | ||
6b691a5c | 87 | SSL_METHOD *SSLv2_server_method(void) |
d02b48c6 RE |
88 | { |
89 | static int init=1; | |
90 | static SSL_METHOD SSLv2_server_data; | |
91 | ||
92 | if (init) | |
93 | { | |
d02b48c6 RE |
94 | memcpy((char *)&SSLv2_server_data,(char *)sslv2_base_method(), |
95 | sizeof(SSL_METHOD)); | |
96 | SSLv2_server_data.ssl_accept=ssl2_accept; | |
97 | SSLv2_server_data.get_ssl_method=ssl2_get_server_method; | |
5cc146f3 | 98 | init=0; |
d02b48c6 RE |
99 | } |
100 | return(&SSLv2_server_data); | |
101 | } | |
102 | ||
6b691a5c | 103 | int ssl2_accept(SSL *s) |
d02b48c6 RE |
104 | { |
105 | unsigned long l=time(NULL); | |
106 | BUF_MEM *buf=NULL; | |
107 | int ret= -1; | |
108 | long num1; | |
109 | void (*cb)()=NULL; | |
110 | int new_state,state; | |
111 | ||
eb952088 | 112 | RAND_add(&l,sizeof(l),0); |
d02b48c6 | 113 | ERR_clear_error(); |
58964a49 | 114 | clear_sys_error(); |
d02b48c6 RE |
115 | |
116 | if (s->info_callback != NULL) | |
117 | cb=s->info_callback; | |
118 | else if (s->ctx->info_callback != NULL) | |
119 | cb=s->ctx->info_callback; | |
120 | ||
121 | /* init things to blank */ | |
122 | if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s); | |
123 | s->in_handshake++; | |
124 | ||
b56bce4f | 125 | if (s->cert == NULL) |
d02b48c6 RE |
126 | { |
127 | SSLerr(SSL_F_SSL2_ACCEPT,SSL_R_NO_CERTIFICATE_SET); | |
128 | return(-1); | |
129 | } | |
130 | ||
58964a49 | 131 | clear_sys_error(); |
d02b48c6 RE |
132 | for (;;) |
133 | { | |
134 | state=s->state; | |
135 | ||
136 | switch (s->state) | |
137 | { | |
138 | case SSL_ST_BEFORE: | |
139 | case SSL_ST_ACCEPT: | |
140 | case SSL_ST_BEFORE|SSL_ST_ACCEPT: | |
141 | case SSL_ST_OK|SSL_ST_ACCEPT: | |
142 | ||
413c4f45 | 143 | s->server=1; |
d02b48c6 RE |
144 | if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1); |
145 | ||
58964a49 | 146 | s->version=SSL2_VERSION; |
d02b48c6 RE |
147 | s->type=SSL_ST_ACCEPT; |
148 | ||
149 | buf=s->init_buf; | |
150 | if ((buf == NULL) && ((buf=BUF_MEM_new()) == NULL)) | |
151 | { ret= -1; goto end; } | |
152 | if (!BUF_MEM_grow(buf,(int) | |
153 | SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER)) | |
154 | { ret= -1; goto end; } | |
155 | s->init_buf=buf; | |
156 | s->init_num=0; | |
413c4f45 | 157 | s->ctx->stats.sess_accept++; |
d02b48c6 RE |
158 | s->handshake_func=ssl2_accept; |
159 | s->state=SSL2_ST_GET_CLIENT_HELLO_A; | |
160 | BREAK; | |
161 | ||
162 | case SSL2_ST_GET_CLIENT_HELLO_A: | |
163 | case SSL2_ST_GET_CLIENT_HELLO_B: | |
164 | case SSL2_ST_GET_CLIENT_HELLO_C: | |
165 | s->shutdown=0; | |
166 | ret=get_client_hello(s); | |
167 | if (ret <= 0) goto end; | |
168 | s->init_num=0; | |
169 | s->state=SSL2_ST_SEND_SERVER_HELLO_A; | |
170 | BREAK; | |
171 | ||
172 | case SSL2_ST_SEND_SERVER_HELLO_A: | |
173 | case SSL2_ST_SEND_SERVER_HELLO_B: | |
174 | ret=server_hello(s); | |
175 | if (ret <= 0) goto end; | |
176 | s->init_num=0; | |
177 | if (!s->hit) | |
178 | { | |
179 | s->state=SSL2_ST_GET_CLIENT_MASTER_KEY_A; | |
180 | BREAK; | |
181 | } | |
182 | else | |
183 | { | |
184 | s->state=SSL2_ST_SERVER_START_ENCRYPTION; | |
185 | BREAK; | |
186 | } | |
187 | case SSL2_ST_GET_CLIENT_MASTER_KEY_A: | |
188 | case SSL2_ST_GET_CLIENT_MASTER_KEY_B: | |
189 | ret=get_client_master_key(s); | |
190 | if (ret <= 0) goto end; | |
191 | s->init_num=0; | |
192 | s->state=SSL2_ST_SERVER_START_ENCRYPTION; | |
193 | BREAK; | |
194 | ||
195 | case SSL2_ST_SERVER_START_ENCRYPTION: | |
196 | /* Ok we how have sent all the stuff needed to | |
197 | * start encrypting, the next packet back will | |
198 | * be encrypted. */ | |
199 | if (!ssl2_enc_init(s,0)) | |
200 | { ret= -1; goto end; } | |
201 | s->s2->clear_text=0; | |
202 | s->state=SSL2_ST_SEND_SERVER_VERIFY_A; | |
203 | BREAK; | |
204 | ||
205 | case SSL2_ST_SEND_SERVER_VERIFY_A: | |
206 | case SSL2_ST_SEND_SERVER_VERIFY_B: | |
207 | ret=server_verify(s); | |
208 | if (ret <= 0) goto end; | |
209 | s->init_num=0; | |
210 | if (s->hit) | |
211 | { | |
212 | /* If we are in here, we have been | |
213 | * buffering the output, so we need to | |
214 | * flush it and remove buffering from | |
215 | * future traffic */ | |
216 | s->state=SSL2_ST_SEND_SERVER_VERIFY_C; | |
217 | BREAK; | |
218 | } | |
219 | else | |
220 | { | |
221 | s->state=SSL2_ST_GET_CLIENT_FINISHED_A; | |
222 | break; | |
223 | } | |
224 | ||
225 | case SSL2_ST_SEND_SERVER_VERIFY_C: | |
226 | /* get the number of bytes to write */ | |
227 | num1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL); | |
228 | if (num1 != 0) | |
229 | { | |
230 | s->rwstate=SSL_WRITING; | |
231 | num1=BIO_flush(s->wbio); | |
232 | if (num1 <= 0) { ret= -1; goto end; } | |
233 | s->rwstate=SSL_NOTHING; | |
234 | } | |
235 | ||
236 | /* flushed and now remove buffering */ | |
237 | s->wbio=BIO_pop(s->wbio); | |
238 | ||
239 | s->state=SSL2_ST_GET_CLIENT_FINISHED_A; | |
240 | BREAK; | |
241 | ||
242 | case SSL2_ST_GET_CLIENT_FINISHED_A: | |
243 | case SSL2_ST_GET_CLIENT_FINISHED_B: | |
244 | ret=get_client_finished(s); | |
245 | if (ret <= 0) | |
246 | goto end; | |
247 | s->init_num=0; | |
248 | s->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_A; | |
249 | BREAK; | |
250 | ||
251 | case SSL2_ST_SEND_REQUEST_CERTIFICATE_A: | |
252 | case SSL2_ST_SEND_REQUEST_CERTIFICATE_B: | |
253 | case SSL2_ST_SEND_REQUEST_CERTIFICATE_C: | |
254 | case SSL2_ST_SEND_REQUEST_CERTIFICATE_D: | |
255 | /* don't do a 'request certificate' if we | |
256 | * don't want to, or we already have one, and | |
257 | * we only want to do it once. */ | |
258 | if (!(s->verify_mode & SSL_VERIFY_PEER) || | |
259 | ((s->session->peer != NULL) && | |
260 | (s->verify_mode & SSL_VERIFY_CLIENT_ONCE))) | |
261 | { | |
262 | s->state=SSL2_ST_SEND_SERVER_FINISHED_A; | |
263 | break; | |
264 | } | |
265 | else | |
266 | { | |
267 | ret=request_certificate(s); | |
268 | if (ret <= 0) goto end; | |
269 | s->init_num=0; | |
270 | s->state=SSL2_ST_SEND_SERVER_FINISHED_A; | |
271 | } | |
272 | BREAK; | |
273 | ||
274 | case SSL2_ST_SEND_SERVER_FINISHED_A: | |
275 | case SSL2_ST_SEND_SERVER_FINISHED_B: | |
276 | ret=server_finish(s); | |
277 | if (ret <= 0) goto end; | |
278 | s->init_num=0; | |
279 | s->state=SSL_ST_OK; | |
280 | break; | |
281 | ||
282 | case SSL_ST_OK: | |
283 | BUF_MEM_free(s->init_buf); | |
413c4f45 | 284 | ssl_free_wbio_buffer(s); |
d02b48c6 RE |
285 | s->init_buf=NULL; |
286 | s->init_num=0; | |
287 | /* ERR_clear_error();*/ | |
288 | ||
289 | ssl_update_cache(s,SSL_SESS_CACHE_SERVER); | |
290 | ||
413c4f45 | 291 | s->ctx->stats.sess_accept_good++; |
d02b48c6 RE |
292 | /* s->server=1; */ |
293 | ret=1; | |
294 | ||
295 | if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1); | |
296 | ||
297 | goto end; | |
58964a49 | 298 | /* BREAK; */ |
d02b48c6 RE |
299 | |
300 | default: | |
301 | SSLerr(SSL_F_SSL2_ACCEPT,SSL_R_UNKNOWN_STATE); | |
302 | ret= -1; | |
303 | goto end; | |
58964a49 | 304 | /* BREAK; */ |
d02b48c6 RE |
305 | } |
306 | ||
307 | if ((cb != NULL) && (s->state != state)) | |
308 | { | |
309 | new_state=s->state; | |
310 | s->state=state; | |
311 | cb(s,SSL_CB_ACCEPT_LOOP,1); | |
312 | s->state=new_state; | |
313 | } | |
314 | } | |
315 | end: | |
316 | s->in_handshake--; | |
317 | if (cb != NULL) | |
318 | cb(s,SSL_CB_ACCEPT_EXIT,ret); | |
319 | return(ret); | |
320 | } | |
321 | ||
6b691a5c | 322 | static int get_client_master_key(SSL *s) |
d02b48c6 | 323 | { |
df63a389 | 324 | int is_export,i,n,keya,ek; |
d02b48c6 RE |
325 | unsigned char *p; |
326 | SSL_CIPHER *cp; | |
e778802f BL |
327 | const EVP_CIPHER *c; |
328 | const EVP_MD *md; | |
d02b48c6 RE |
329 | |
330 | p=(unsigned char *)s->init_buf->data; | |
331 | if (s->state == SSL2_ST_GET_CLIENT_MASTER_KEY_A) | |
332 | { | |
333 | i=ssl2_read(s,(char *)&(p[s->init_num]),10-s->init_num); | |
334 | ||
335 | if (i < (10-s->init_num)) | |
336 | return(ssl2_part_read(s,SSL_F_GET_CLIENT_MASTER_KEY,i)); | |
337 | if (*(p++) != SSL2_MT_CLIENT_MASTER_KEY) | |
338 | { | |
339 | if (p[-1] != SSL2_MT_ERROR) | |
340 | { | |
341 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
342 | SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_READ_WRONG_PACKET_TYPE); | |
343 | } | |
344 | else | |
345 | SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, | |
346 | SSL_R_PEER_ERROR); | |
347 | return(-1); | |
348 | } | |
349 | ||
350 | cp=ssl2_get_cipher_by_char(p); | |
351 | if (cp == NULL) | |
352 | { | |
353 | ssl2_return_error(s,SSL2_PE_NO_CIPHER); | |
354 | SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, | |
355 | SSL_R_NO_CIPHER_MATCH); | |
356 | return(-1); | |
357 | } | |
358 | s->session->cipher= cp; | |
359 | ||
360 | p+=3; | |
361 | n2s(p,i); s->s2->tmp.clear=i; | |
362 | n2s(p,i); s->s2->tmp.enc=i; | |
363 | n2s(p,i); s->session->key_arg_length=i; | |
364 | s->state=SSL2_ST_GET_CLIENT_MASTER_KEY_B; | |
365 | s->init_num=0; | |
366 | } | |
367 | ||
368 | /* SSL2_ST_GET_CLIENT_MASTER_KEY_B */ | |
369 | p=(unsigned char *)s->init_buf->data; | |
370 | keya=s->session->key_arg_length; | |
371 | n=s->s2->tmp.clear+s->s2->tmp.enc+keya - s->init_num; | |
372 | i=ssl2_read(s,(char *)&(p[s->init_num]),n); | |
373 | if (i != n) return(ssl2_part_read(s,SSL_F_GET_CLIENT_MASTER_KEY,i)); | |
374 | ||
375 | memcpy(s->session->key_arg,&(p[s->s2->tmp.clear+s->s2->tmp.enc]), | |
376 | (unsigned int)keya); | |
377 | ||
b56bce4f | 378 | if (s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) |
d02b48c6 RE |
379 | { |
380 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
381 | SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_NO_PRIVATEKEY); | |
382 | return(-1); | |
383 | } | |
384 | i=ssl_rsa_private_decrypt(s->cert,s->s2->tmp.enc, | |
385 | &(p[s->s2->tmp.clear]),&(p[s->s2->tmp.clear]), | |
386 | (s->s2->ssl2_rollback)?RSA_SSLV23_PADDING:RSA_PKCS1_PADDING); | |
387 | ||
df63a389 | 388 | is_export=SSL_C_IS_EXPORT(s->session->cipher); |
d02b48c6 | 389 | |
413c4f45 | 390 | if (!ssl_cipher_get_evp(s->session,&c,&md,NULL)) |
d02b48c6 RE |
391 | { |
392 | ssl2_return_error(s,SSL2_PE_NO_CIPHER); | |
393 | SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS); | |
394 | return(0); | |
395 | } | |
396 | ||
397 | if (s->session->cipher->algorithm2 & SSL2_CF_8_BYTE_ENC) | |
398 | { | |
df63a389 | 399 | is_export=1; |
d02b48c6 RE |
400 | ek=8; |
401 | } | |
402 | else | |
403 | ek=5; | |
404 | ||
405 | /* bad decrypt */ | |
406 | #if 1 | |
407 | /* If a bad decrypt, continue with protocol but with a | |
408 | * dud master secret */ | |
409 | if ((i < 0) || | |
df63a389 UM |
410 | ((!is_export && (i != EVP_CIPHER_key_length(c))) |
411 | || (is_export && ((i != ek) || (s->s2->tmp.clear+i != | |
d02b48c6 RE |
412 | EVP_CIPHER_key_length(c)))))) |
413 | { | |
df63a389 | 414 | if (is_export) |
d02b48c6 RE |
415 | i=ek; |
416 | else | |
417 | i=EVP_CIPHER_key_length(c); | |
e7f97e2d | 418 | RAND_pseudo_bytes(p,i); |
d02b48c6 RE |
419 | } |
420 | #else | |
421 | if (i < 0) | |
422 | { | |
423 | error=1; | |
424 | SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_BAD_RSA_DECRYPT); | |
425 | } | |
426 | /* incorrect number of key bytes for non export cipher */ | |
df63a389 UM |
427 | else if ((!is_export && (i != EVP_CIPHER_key_length(c))) |
428 | || (is_export && ((i != ek) || (s->s2->tmp.clear+i != | |
d02b48c6 RE |
429 | EVP_CIPHER_key_length(c))))) |
430 | { | |
431 | error=1; | |
432 | SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_WRONG_NUMBER_OF_KEY_BITS); | |
433 | } | |
434 | if (error) | |
435 | { | |
436 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
437 | return(-1); | |
438 | } | |
439 | #endif | |
440 | ||
df63a389 | 441 | if (is_export) i+=s->s2->tmp.clear; |
d02b48c6 RE |
442 | s->session->master_key_length=i; |
443 | memcpy(s->session->master_key,p,(unsigned int)i); | |
444 | return(1); | |
445 | } | |
446 | ||
6b691a5c | 447 | static int get_client_hello(SSL *s) |
d02b48c6 RE |
448 | { |
449 | int i,n; | |
450 | unsigned char *p; | |
f73e07cf BL |
451 | STACK_OF(SSL_CIPHER) *cs; /* a stack of SSL_CIPHERS */ |
452 | STACK_OF(SSL_CIPHER) *cl; /* the ones we want to use */ | |
d02b48c6 RE |
453 | int z; |
454 | ||
455 | /* This is a bit of a hack to check for the correct packet | |
456 | * type the first time round. */ | |
457 | if (s->state == SSL2_ST_GET_CLIENT_HELLO_A) | |
458 | { | |
459 | s->first_packet=1; | |
460 | s->state=SSL2_ST_GET_CLIENT_HELLO_B; | |
461 | } | |
462 | ||
463 | p=(unsigned char *)s->init_buf->data; | |
464 | if (s->state == SSL2_ST_GET_CLIENT_HELLO_B) | |
465 | { | |
466 | i=ssl2_read(s,(char *)&(p[s->init_num]),9-s->init_num); | |
467 | if (i < (9-s->init_num)) | |
468 | return(ssl2_part_read(s,SSL_F_GET_CLIENT_HELLO,i)); | |
469 | ||
470 | if (*(p++) != SSL2_MT_CLIENT_HELLO) | |
471 | { | |
472 | if (p[-1] != SSL2_MT_ERROR) | |
473 | { | |
474 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
475 | SSLerr(SSL_F_GET_CLIENT_HELLO,SSL_R_READ_WRONG_PACKET_TYPE); | |
476 | } | |
477 | else | |
478 | SSLerr(SSL_F_GET_CLIENT_HELLO,SSL_R_PEER_ERROR); | |
479 | return(-1); | |
480 | } | |
481 | n2s(p,i); | |
482 | if (i < s->version) s->version=i; | |
483 | n2s(p,i); s->s2->tmp.cipher_spec_length=i; | |
484 | n2s(p,i); s->s2->tmp.session_id_length=i; | |
485 | n2s(p,i); s->s2->challenge_length=i; | |
486 | if ( (i < SSL2_MIN_CHALLENGE_LENGTH) || | |
487 | (i > SSL2_MAX_CHALLENGE_LENGTH)) | |
488 | { | |
489 | SSLerr(SSL_F_GET_CLIENT_HELLO,SSL_R_INVALID_CHALLENGE_LENGTH); | |
490 | return(-1); | |
491 | } | |
492 | s->state=SSL2_ST_GET_CLIENT_HELLO_C; | |
493 | s->init_num=0; | |
494 | } | |
495 | ||
496 | /* SSL2_ST_GET_CLIENT_HELLO_C */ | |
497 | p=(unsigned char *)s->init_buf->data; | |
498 | n=s->s2->tmp.cipher_spec_length+s->s2->challenge_length+ | |
499 | s->s2->tmp.session_id_length-s->init_num; | |
500 | i=ssl2_read(s,(char *)&(p[s->init_num]),n); | |
501 | if (i != n) return(ssl2_part_read(s,SSL_F_GET_CLIENT_HELLO,i)); | |
502 | ||
503 | /* get session-id before cipher stuff so we can get out session | |
504 | * structure if it is cached */ | |
505 | /* session-id */ | |
506 | if ((s->s2->tmp.session_id_length != 0) && | |
507 | (s->s2->tmp.session_id_length != SSL2_SSL_SESSION_ID_LENGTH)) | |
508 | { | |
509 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
510 | SSLerr(SSL_F_GET_CLIENT_HELLO,SSL_R_BAD_SSL_SESSION_ID_LENGTH); | |
511 | return(-1); | |
512 | } | |
513 | ||
514 | if (s->s2->tmp.session_id_length == 0) | |
515 | { | |
516 | if (!ssl_get_new_session(s,1)) | |
517 | { | |
518 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
519 | return(-1); | |
520 | } | |
521 | } | |
522 | else | |
523 | { | |
58964a49 RE |
524 | i=ssl_get_prev_session(s,&(p[s->s2->tmp.cipher_spec_length]), |
525 | s->s2->tmp.session_id_length); | |
d02b48c6 RE |
526 | if (i == 1) |
527 | { /* previous session */ | |
528 | s->hit=1; | |
529 | } | |
530 | else if (i == -1) | |
531 | { | |
532 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
533 | return(-1); | |
534 | } | |
535 | else | |
536 | { | |
537 | if (s->cert == NULL) | |
538 | { | |
539 | ssl2_return_error(s,SSL2_PE_NO_CERTIFICATE); | |
540 | SSLerr(SSL_F_GET_CLIENT_HELLO,SSL_R_NO_CERTIFICATE_SET); | |
541 | return(-1); | |
542 | } | |
543 | ||
544 | if (!ssl_get_new_session(s,1)) | |
545 | { | |
546 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
547 | return(-1); | |
548 | } | |
549 | } | |
550 | } | |
551 | ||
552 | if (!s->hit) | |
553 | { | |
554 | cs=ssl_bytes_to_cipher_list(s,p,s->s2->tmp.cipher_spec_length, | |
555 | &s->session->ciphers); | |
556 | if (cs == NULL) goto mem_err; | |
557 | ||
558 | cl=ssl_get_ciphers_by_id(s); | |
559 | ||
f73e07cf | 560 | for (z=0; z<sk_SSL_CIPHER_num(cs); z++) |
d02b48c6 | 561 | { |
f73e07cf | 562 | if (sk_SSL_CIPHER_find(cl,sk_SSL_CIPHER_value(cs,z)) < 0) |
d02b48c6 | 563 | { |
f73e07cf | 564 | sk_SSL_CIPHER_delete(cs,z); |
d02b48c6 RE |
565 | z--; |
566 | } | |
567 | } | |
568 | ||
569 | /* s->session->ciphers should now have a list of | |
570 | * ciphers that are on both the client and server. | |
571 | * This list is ordered by the order the client sent | |
572 | * the ciphers. | |
573 | */ | |
574 | } | |
575 | p+=s->s2->tmp.cipher_spec_length; | |
576 | /* done cipher selection */ | |
577 | ||
578 | /* session id extracted already */ | |
579 | p+=s->s2->tmp.session_id_length; | |
580 | ||
581 | /* challenge */ | |
582 | memcpy(s->s2->challenge,p,(unsigned int)s->s2->challenge_length); | |
583 | return(1); | |
584 | mem_err: | |
585 | SSLerr(SSL_F_GET_CLIENT_HELLO,ERR_R_MALLOC_FAILURE); | |
586 | return(0); | |
587 | } | |
588 | ||
6b691a5c | 589 | static int server_hello(SSL *s) |
d02b48c6 RE |
590 | { |
591 | unsigned char *p,*d; | |
592 | int n,hit; | |
f73e07cf | 593 | STACK_OF(SSL_CIPHER) *sk; |
d02b48c6 RE |
594 | |
595 | p=(unsigned char *)s->init_buf->data; | |
596 | if (s->state == SSL2_ST_SEND_SERVER_HELLO_A) | |
597 | { | |
598 | d=p+11; | |
599 | *(p++)=SSL2_MT_SERVER_HELLO; /* type */ | |
600 | hit=s->hit; | |
601 | *(p++)=(unsigned char)hit; | |
b56bce4f BM |
602 | #if 1 |
603 | if (!hit) | |
604 | { | |
605 | if (s->session->sess_cert != NULL) | |
606 | /* This can't really happen because get_client_hello | |
607 | * has called ssl_get_new_session, which does not set | |
608 | * sess_cert. */ | |
609 | ssl_sess_cert_free(s->session->sess_cert); | |
610 | s->session->sess_cert = ssl_sess_cert_new(); | |
611 | if (s->session->sess_cert == NULL) | |
612 | { | |
613 | SSLerr(SSL_F_SERVER_HELLO, ERR_R_MALLOC_FAILURE); | |
614 | return(-1); | |
615 | } | |
616 | } | |
617 | /* If 'hit' is set, then s->sess_cert may be non-NULL or NULL, | |
618 | * depending on whether it survived in the internal cache | |
619 | * or was retrieved from an external cache. | |
620 | * If it is NULL, we cannot put any useful data in it anyway, | |
621 | * so we don't touch it. | |
622 | */ | |
623 | ||
624 | #else /* That's what used to be done when cert_st and sess_cert_st were | |
625 | * the same. */ | |
d02b48c6 RE |
626 | if (!hit) |
627 | { /* else add cert to session */ | |
628 | CRYPTO_add(&s->cert->references,1,CRYPTO_LOCK_SSL_CERT); | |
9d5cceac BM |
629 | if (s->session->sess_cert != NULL) |
630 | ssl_cert_free(s->session->sess_cert); | |
631 | s->session->sess_cert=s->cert; | |
d02b48c6 RE |
632 | } |
633 | else /* We have a session id-cache hit, if the | |
634 | * session-id has no certificate listed against | |
635 | * the 'cert' structure, grab the 'old' one | |
636 | * listed against the SSL connection */ | |
637 | { | |
9d5cceac | 638 | if (s->session->sess_cert == NULL) |
d02b48c6 RE |
639 | { |
640 | CRYPTO_add(&s->cert->references,1, | |
641 | CRYPTO_LOCK_SSL_CERT); | |
9d5cceac | 642 | s->session->sess_cert=s->cert; |
d02b48c6 RE |
643 | } |
644 | } | |
b56bce4f | 645 | #endif |
d02b48c6 | 646 | |
b56bce4f | 647 | if (s->cert == NULL) |
d02b48c6 RE |
648 | { |
649 | ssl2_return_error(s,SSL2_PE_NO_CERTIFICATE); | |
650 | SSLerr(SSL_F_SERVER_HELLO,SSL_R_NO_CERTIFICATE_SPECIFIED); | |
651 | return(-1); | |
652 | } | |
653 | ||
654 | if (hit) | |
655 | { | |
656 | *(p++)=0; /* no certificate type */ | |
657 | s2n(s->version,p); /* version */ | |
658 | s2n(0,p); /* cert len */ | |
659 | s2n(0,p); /* ciphers len */ | |
660 | } | |
661 | else | |
662 | { | |
663 | /* EAY EAY */ | |
664 | /* put certificate type */ | |
665 | *(p++)=SSL2_CT_X509_CERTIFICATE; | |
666 | s2n(s->version,p); /* version */ | |
58964a49 | 667 | n=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,NULL); |
d02b48c6 | 668 | s2n(n,p); /* certificate length */ |
58964a49 | 669 | i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,&d); |
d02b48c6 RE |
670 | n=0; |
671 | ||
672 | /* lets send out the ciphers we like in the | |
673 | * prefered order */ | |
674 | sk= s->session->ciphers; | |
675 | n=ssl_cipher_list_to_bytes(s,s->session->ciphers,d); | |
676 | d+=n; | |
677 | s2n(n,p); /* add cipher length */ | |
678 | } | |
679 | ||
680 | /* make and send conn_id */ | |
681 | s2n(SSL2_CONNECTION_ID_LENGTH,p); /* add conn_id length */ | |
682 | s->s2->conn_id_length=SSL2_CONNECTION_ID_LENGTH; | |
e7f97e2d | 683 | RAND_pseudo_bytes(s->s2->conn_id,(int)s->s2->conn_id_length); |
d02b48c6 RE |
684 | memcpy(d,s->s2->conn_id,SSL2_CONNECTION_ID_LENGTH); |
685 | d+=SSL2_CONNECTION_ID_LENGTH; | |
686 | ||
687 | s->state=SSL2_ST_SEND_SERVER_HELLO_B; | |
688 | s->init_num=d-(unsigned char *)s->init_buf->data; | |
689 | s->init_off=0; | |
690 | } | |
691 | /* SSL2_ST_SEND_SERVER_HELLO_B */ | |
657e60fa | 692 | /* If we are using TCP/IP, the performance is bad if we do 2 |
d02b48c6 RE |
693 | * writes without a read between them. This occurs when |
694 | * Session-id reuse is used, so I will put in a buffering module | |
695 | */ | |
696 | if (s->hit) | |
697 | { | |
58964a49 | 698 | if (!ssl_init_wbio_buffer(s,1)) return(-1); |
d02b48c6 RE |
699 | } |
700 | ||
701 | return(ssl2_do_write(s)); | |
702 | } | |
703 | ||
6b691a5c | 704 | static int get_client_finished(SSL *s) |
d02b48c6 RE |
705 | { |
706 | unsigned char *p; | |
707 | int i; | |
708 | ||
709 | p=(unsigned char *)s->init_buf->data; | |
710 | if (s->state == SSL2_ST_GET_CLIENT_FINISHED_A) | |
711 | { | |
712 | i=ssl2_read(s,(char *)&(p[s->init_num]),1-s->init_num); | |
713 | if (i < 1-s->init_num) | |
714 | return(ssl2_part_read(s,SSL_F_GET_CLIENT_FINISHED,i)); | |
715 | ||
716 | if (*p != SSL2_MT_CLIENT_FINISHED) | |
717 | { | |
718 | if (*p != SSL2_MT_ERROR) | |
719 | { | |
720 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
721 | SSLerr(SSL_F_GET_CLIENT_FINISHED,SSL_R_READ_WRONG_PACKET_TYPE); | |
722 | } | |
723 | else | |
724 | SSLerr(SSL_F_GET_CLIENT_FINISHED,SSL_R_PEER_ERROR); | |
725 | return(-1); | |
726 | } | |
727 | s->init_num=0; | |
728 | s->state=SSL2_ST_GET_CLIENT_FINISHED_B; | |
729 | } | |
730 | ||
731 | /* SSL2_ST_GET_CLIENT_FINISHED_B */ | |
732 | i=ssl2_read(s,(char *)&(p[s->init_num]),s->s2->conn_id_length-s->init_num); | |
733 | if (i < (int)s->s2->conn_id_length-s->init_num) | |
734 | { | |
735 | return(ssl2_part_read(s,SSL_F_GET_CLIENT_FINISHED,i)); | |
736 | } | |
737 | if (memcmp(p,s->s2->conn_id,(unsigned int)s->s2->conn_id_length) != 0) | |
738 | { | |
739 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
740 | SSLerr(SSL_F_GET_CLIENT_FINISHED,SSL_R_CONNECTION_ID_IS_DIFFERENT); | |
741 | return(-1); | |
742 | } | |
743 | return(1); | |
744 | } | |
745 | ||
6b691a5c | 746 | static int server_verify(SSL *s) |
d02b48c6 RE |
747 | { |
748 | unsigned char *p; | |
749 | ||
750 | if (s->state == SSL2_ST_SEND_SERVER_VERIFY_A) | |
751 | { | |
752 | p=(unsigned char *)s->init_buf->data; | |
753 | *(p++)=SSL2_MT_SERVER_VERIFY; | |
754 | memcpy(p,s->s2->challenge,(unsigned int)s->s2->challenge_length); | |
755 | /* p+=s->s2->challenge_length; */ | |
756 | ||
757 | s->state=SSL2_ST_SEND_SERVER_VERIFY_B; | |
758 | s->init_num=s->s2->challenge_length+1; | |
759 | s->init_off=0; | |
760 | } | |
761 | return(ssl2_do_write(s)); | |
762 | } | |
763 | ||
6b691a5c | 764 | static int server_finish(SSL *s) |
d02b48c6 RE |
765 | { |
766 | unsigned char *p; | |
767 | ||
768 | if (s->state == SSL2_ST_SEND_SERVER_FINISHED_A) | |
769 | { | |
770 | p=(unsigned char *)s->init_buf->data; | |
771 | *(p++)=SSL2_MT_SERVER_FINISHED; | |
772 | ||
773 | memcpy(p,s->session->session_id, | |
774 | (unsigned int)s->session->session_id_length); | |
775 | /* p+=s->session->session_id_length; */ | |
776 | ||
777 | s->state=SSL2_ST_SEND_SERVER_FINISHED_B; | |
778 | s->init_num=s->session->session_id_length+1; | |
779 | s->init_off=0; | |
780 | } | |
781 | ||
782 | /* SSL2_ST_SEND_SERVER_FINISHED_B */ | |
783 | return(ssl2_do_write(s)); | |
784 | } | |
785 | ||
786 | /* send the request and check the response */ | |
6b691a5c | 787 | static int request_certificate(SSL *s) |
d02b48c6 RE |
788 | { |
789 | unsigned char *p,*p2,*buf2; | |
790 | unsigned char *ccd; | |
791 | int i,j,ctype,ret= -1; | |
792 | X509 *x509=NULL; | |
f73e07cf | 793 | STACK_OF(X509) *sk=NULL; |
d02b48c6 RE |
794 | |
795 | ccd=s->s2->tmp.ccl; | |
796 | if (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_A) | |
797 | { | |
798 | p=(unsigned char *)s->init_buf->data; | |
799 | *(p++)=SSL2_MT_REQUEST_CERTIFICATE; | |
800 | *(p++)=SSL2_AT_MD5_WITH_RSA_ENCRYPTION; | |
e7f97e2d | 801 | RAND_pseudo_bytes(ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH); |
d02b48c6 RE |
802 | memcpy(p,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH); |
803 | ||
804 | s->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_B; | |
805 | s->init_num=SSL2_MIN_CERT_CHALLENGE_LENGTH+2; | |
806 | s->init_off=0; | |
807 | } | |
808 | ||
809 | if (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_B) | |
810 | { | |
811 | i=ssl2_do_write(s); | |
812 | if (i <= 0) | |
813 | { | |
814 | ret=i; | |
815 | goto end; | |
816 | } | |
817 | ||
818 | s->init_num=0; | |
819 | s->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_C; | |
820 | } | |
821 | ||
822 | if (s->state == SSL2_ST_SEND_REQUEST_CERTIFICATE_C) | |
823 | { | |
824 | p=(unsigned char *)s->init_buf->data; | |
825 | i=ssl2_read(s,(char *)&(p[s->init_num]),6-s->init_num); | |
826 | if (i < 3) | |
827 | { | |
828 | ret=ssl2_part_read(s,SSL_F_REQUEST_CERTIFICATE,i); | |
829 | goto end; | |
830 | } | |
831 | ||
832 | if ((*p == SSL2_MT_ERROR) && (i >= 3)) | |
833 | { | |
834 | n2s(p,i); | |
835 | if (s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT) | |
836 | { | |
837 | ssl2_return_error(s,SSL2_PE_BAD_CERTIFICATE); | |
838 | SSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE); | |
839 | goto end; | |
840 | } | |
841 | ret=1; | |
842 | goto end; | |
843 | } | |
844 | if ((*(p++) != SSL2_MT_CLIENT_CERTIFICATE) || (i < 6)) | |
845 | { | |
846 | ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR); | |
847 | SSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_SHORT_READ); | |
848 | goto end; | |
849 | } | |
850 | /* ok we have a response */ | |
851 | /* certificate type, there is only one right now. */ | |
852 | ctype= *(p++); | |
853 | if (ctype != SSL2_AT_MD5_WITH_RSA_ENCRYPTION) | |
854 | { | |
855 | ssl2_return_error(s,SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE); | |
856 | SSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_BAD_RESPONSE_ARGUMENT); | |
857 | goto end; | |
858 | } | |
859 | n2s(p,i); s->s2->tmp.clen=i; | |
860 | n2s(p,i); s->s2->tmp.rlen=i; | |
861 | s->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_D; | |
862 | s->init_num=0; | |
863 | } | |
864 | ||
865 | /* SSL2_ST_SEND_REQUEST_CERTIFICATE_D */ | |
866 | p=(unsigned char *)s->init_buf->data; | |
867 | j=s->s2->tmp.clen+s->s2->tmp.rlen-s->init_num; | |
868 | i=ssl2_read(s,(char *)&(p[s->init_num]),j); | |
869 | if (i < j) | |
870 | { | |
871 | ret=ssl2_part_read(s,SSL_F_REQUEST_CERTIFICATE,i); | |
872 | goto end; | |
873 | } | |
874 | ||
875 | x509=(X509 *)d2i_X509(NULL,&p,(long)s->s2->tmp.clen); | |
876 | if (x509 == NULL) | |
877 | { | |
878 | SSLerr(SSL_F_REQUEST_CERTIFICATE,ERR_R_X509_LIB); | |
879 | goto msg_end; | |
880 | } | |
881 | ||
f73e07cf | 882 | if (((sk=sk_X509_new_null()) == NULL) || (!sk_X509_push(sk,x509))) |
d02b48c6 RE |
883 | { |
884 | SSLerr(SSL_F_REQUEST_CERTIFICATE,ERR_R_MALLOC_FAILURE); | |
885 | goto msg_end; | |
886 | } | |
887 | ||
888 | i=ssl_verify_cert_chain(s,sk); | |
889 | ||
890 | if (i) /* we like the packet, now check the chksum */ | |
891 | { | |
892 | EVP_MD_CTX ctx; | |
893 | EVP_PKEY *pkey=NULL; | |
894 | ||
58964a49 | 895 | EVP_VerifyInit(&ctx,s->ctx->rsa_md5); |
d02b48c6 RE |
896 | EVP_VerifyUpdate(&ctx,s->s2->key_material, |
897 | (unsigned int)s->s2->key_material_length); | |
898 | EVP_VerifyUpdate(&ctx,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH); | |
899 | ||
b56bce4f | 900 | i=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,NULL); |
b35e9050 | 901 | buf2=Malloc((unsigned int)i); |
d02b48c6 RE |
902 | if (buf2 == NULL) |
903 | { | |
904 | SSLerr(SSL_F_REQUEST_CERTIFICATE,ERR_R_MALLOC_FAILURE); | |
905 | goto msg_end; | |
906 | } | |
907 | p2=buf2; | |
b56bce4f | 908 | i=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,&p2); |
d02b48c6 RE |
909 | EVP_VerifyUpdate(&ctx,buf2,(unsigned int)i); |
910 | Free(buf2); | |
911 | ||
912 | pkey=X509_get_pubkey(x509); | |
913 | if (pkey == NULL) goto end; | |
914 | i=EVP_VerifyFinal(&ctx,p,s->s2->tmp.rlen,pkey); | |
a8236c8c | 915 | EVP_PKEY_free(pkey); |
d02b48c6 RE |
916 | memset(&ctx,0,sizeof(ctx)); |
917 | ||
918 | if (i) | |
919 | { | |
920 | if (s->session->peer != NULL) | |
921 | X509_free(s->session->peer); | |
922 | s->session->peer=x509; | |
923 | CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); | |
b1fe6ca1 | 924 | s->session->verify_result = s->verify_result; |
d02b48c6 RE |
925 | ret=1; |
926 | goto end; | |
927 | } | |
928 | else | |
929 | { | |
930 | SSLerr(SSL_F_REQUEST_CERTIFICATE,SSL_R_BAD_CHECKSUM); | |
931 | goto msg_end; | |
932 | } | |
933 | } | |
934 | else | |
935 | { | |
936 | msg_end: | |
937 | ssl2_return_error(s,SSL2_PE_BAD_CERTIFICATE); | |
938 | } | |
939 | end: | |
f73e07cf | 940 | sk_X509_free(sk); |
a8236c8c | 941 | X509_free(x509); |
d02b48c6 RE |
942 | return(ret); |
943 | } | |
944 | ||
6b691a5c UM |
945 | static int ssl_rsa_private_decrypt(CERT *c, int len, unsigned char *from, |
946 | unsigned char *to, int padding) | |
d02b48c6 RE |
947 | { |
948 | RSA *rsa; | |
949 | int i; | |
950 | ||
58964a49 | 951 | if ((c == NULL) || (c->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL)) |
d02b48c6 RE |
952 | { |
953 | SSLerr(SSL_F_SSL_RSA_PRIVATE_DECRYPT,SSL_R_NO_PRIVATEKEY); | |
954 | return(-1); | |
955 | } | |
58964a49 | 956 | if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey->type != EVP_PKEY_RSA) |
d02b48c6 RE |
957 | { |
958 | SSLerr(SSL_F_SSL_RSA_PRIVATE_DECRYPT,SSL_R_PUBLIC_KEY_IS_NOT_RSA); | |
959 | return(-1); | |
960 | } | |
58964a49 | 961 | rsa=c->pkeys[SSL_PKEY_RSA_ENC].privatekey->pkey.rsa; |
d02b48c6 RE |
962 | |
963 | /* we have the public key */ | |
964 | i=RSA_private_decrypt(len,from,to,rsa,padding); | |
965 | if (i < 0) | |
966 | SSLerr(SSL_F_SSL_RSA_PRIVATE_DECRYPT,ERR_R_RSA_LIB); | |
967 | return(i); | |
968 | } | |
aa82db4f | 969 | #else /* !NO_SSL2 */ |
752d706a BL |
970 | |
971 | # if PEDANTIC | |
972 | static void *dummy=&dummy; | |
973 | # endif | |
974 | ||
79df9d62 | 975 | #endif |