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d02b48c6 | 1 | /* ssl/s3_both.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 | */ | |
3813046d BM |
58 | /* ==================================================================== |
59 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. | |
60 | * | |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
66 | * notice, this list of conditions and the following disclaimer. | |
67 | * | |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
d02b48c6 | 111 | |
f2d9a32c | 112 | #include <string.h> |
d02b48c6 | 113 | #include <stdio.h> |
ec577822 BM |
114 | #include <openssl/buffer.h> |
115 | #include <openssl/rand.h> | |
116 | #include <openssl/objects.h> | |
117 | #include <openssl/evp.h> | |
118 | #include <openssl/x509.h> | |
d02b48c6 RE |
119 | #include "ssl_locl.h" |
120 | ||
e7ecc7d4 BM |
121 | /* send s->init_buf in records of type 'type' */ |
122 | int ssl3_do_write(SSL *s, int type) | |
123 | { | |
124 | int ret; | |
125 | ||
126 | ret=ssl3_write_bytes(s,type,&s->init_buf->data[s->init_off], | |
127 | s->init_num); | |
128 | if (ret < 0) return(-1); | |
129 | if (type == SSL3_RT_HANDSHAKE) | |
130 | /* should not be done for 'Hello Request's, but in that case | |
131 | * we'll ignore the result anyway */ | |
72b60351 | 132 | ssl3_finish_mac(s,(unsigned char *)&s->init_buf->data[s->init_off],ret); |
e7ecc7d4 BM |
133 | |
134 | if (ret == s->init_num) | |
135 | return(1); | |
136 | s->init_off+=ret; | |
137 | s->init_num-=ret; | |
138 | return(0); | |
139 | } | |
140 | ||
c44f7540 | 141 | int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen) |
d02b48c6 RE |
142 | { |
143 | unsigned char *p,*d; | |
144 | int i; | |
145 | unsigned long l; | |
146 | ||
147 | if (s->state == a) | |
148 | { | |
149 | d=(unsigned char *)s->init_buf->data; | |
150 | p= &(d[4]); | |
151 | ||
58964a49 RE |
152 | i=s->method->ssl3_enc->final_finish_mac(s, |
153 | &(s->s3->finish_dgst1), | |
154 | &(s->s3->finish_dgst2), | |
9fb617e2 BM |
155 | sender,slen,s->s3->tmp.finish_md); |
156 | s->s3->tmp.finish_md_len = i; | |
157 | memcpy(p, s->s3->tmp.finish_md, i); | |
d02b48c6 RE |
158 | p+=i; |
159 | l=i; | |
d02b48c6 | 160 | |
bc36ee62 | 161 | #ifdef OPENSSL_SYS_WIN16 |
dfeab068 RE |
162 | /* MSVC 1.5 does not clear the top bytes of the word unless |
163 | * I do this. | |
164 | */ | |
165 | l&=0xffff; | |
166 | #endif | |
167 | ||
d02b48c6 RE |
168 | *(d++)=SSL3_MT_FINISHED; |
169 | l2n3(l,d); | |
170 | s->init_num=(int)l+4; | |
171 | s->init_off=0; | |
172 | ||
173 | s->state=b; | |
174 | } | |
175 | ||
176 | /* SSL3_ST_SEND_xxxxxx_HELLO_B */ | |
177 | return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); | |
178 | } | |
179 | ||
6b691a5c | 180 | int ssl3_get_finished(SSL *s, int a, int b) |
d02b48c6 | 181 | { |
58964a49 | 182 | int al,i,ok; |
d02b48c6 RE |
183 | long n; |
184 | unsigned char *p; | |
185 | ||
186 | /* the mac has already been generated when we received the | |
9fb617e2 | 187 | * change cipher spec message and is in s->s3->tmp.peer_finish_md |
d02b48c6 RE |
188 | */ |
189 | ||
190 | n=ssl3_get_message(s, | |
191 | a, | |
192 | b, | |
193 | SSL3_MT_FINISHED, | |
194 | 64, /* should actually be 36+4 :-) */ | |
195 | &ok); | |
196 | ||
197 | if (!ok) return((int)n); | |
198 | ||
b35e9050 | 199 | /* If this occurs, we have missed a message */ |
d02b48c6 RE |
200 | if (!s->s3->change_cipher_spec) |
201 | { | |
58964a49 | 202 | al=SSL_AD_UNEXPECTED_MESSAGE; |
d02b48c6 RE |
203 | SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_GOT_A_FIN_BEFORE_A_CCS); |
204 | goto f_err; | |
205 | } | |
206 | s->s3->change_cipher_spec=0; | |
207 | ||
9fb617e2 BM |
208 | p = (unsigned char *)s->init_buf->data; |
209 | i = s->s3->tmp.peer_finish_md_len; | |
d02b48c6 | 210 | |
58964a49 | 211 | if (i != n) |
d02b48c6 | 212 | { |
58964a49 | 213 | al=SSL_AD_DECODE_ERROR; |
d02b48c6 RE |
214 | SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_BAD_DIGEST_LENGTH); |
215 | goto f_err; | |
216 | } | |
217 | ||
9fb617e2 | 218 | if (memcmp(p, s->s3->tmp.peer_finish_md, i) != 0) |
d02b48c6 | 219 | { |
58964a49 | 220 | al=SSL_AD_DECRYPT_ERROR; |
d02b48c6 RE |
221 | SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_DIGEST_CHECK_FAILED); |
222 | goto f_err; | |
223 | } | |
224 | ||
225 | return(1); | |
226 | f_err: | |
227 | ssl3_send_alert(s,SSL3_AL_FATAL,al); | |
228 | return(0); | |
229 | } | |
230 | ||
231 | /* for these 2 messages, we need to | |
232 | * ssl->enc_read_ctx re-init | |
233 | * ssl->s3->read_sequence zero | |
234 | * ssl->s3->read_mac_secret re-init | |
235 | * ssl->session->read_sym_enc assign | |
236 | * ssl->session->read_compression assign | |
237 | * ssl->session->read_hash assign | |
238 | */ | |
6b691a5c | 239 | int ssl3_send_change_cipher_spec(SSL *s, int a, int b) |
d02b48c6 RE |
240 | { |
241 | unsigned char *p; | |
242 | ||
243 | if (s->state == a) | |
244 | { | |
245 | p=(unsigned char *)s->init_buf->data; | |
246 | *p=SSL3_MT_CCS; | |
247 | s->init_num=1; | |
248 | s->init_off=0; | |
249 | ||
250 | s->state=b; | |
251 | } | |
252 | ||
253 | /* SSL3_ST_CW_CHANGE_B */ | |
254 | return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC)); | |
255 | } | |
256 | ||
6b691a5c | 257 | unsigned long ssl3_output_cert_chain(SSL *s, X509 *x) |
d02b48c6 RE |
258 | { |
259 | unsigned char *p; | |
260 | int n,i; | |
261 | unsigned long l=7; | |
262 | BUF_MEM *buf; | |
263 | X509_STORE_CTX xs_ctx; | |
264 | X509_OBJECT obj; | |
265 | ||
58964a49 | 266 | /* TLSv1 sends a chain with nothing in it, instead of an alert */ |
d02b48c6 | 267 | buf=s->init_buf; |
58964a49 | 268 | if (!BUF_MEM_grow(buf,(int)(10))) |
d02b48c6 | 269 | { |
58964a49 RE |
270 | SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB); |
271 | return(0); | |
272 | } | |
273 | if (x != NULL) | |
274 | { | |
275 | X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL); | |
276 | ||
277 | for (;;) | |
d02b48c6 | 278 | { |
58964a49 RE |
279 | n=i2d_X509(x,NULL); |
280 | if (!BUF_MEM_grow(buf,(int)(n+l+3))) | |
281 | { | |
282 | SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB); | |
283 | return(0); | |
284 | } | |
285 | p=(unsigned char *)&(buf->data[l]); | |
286 | l2n3(n,p); | |
287 | i2d_X509(x,&p); | |
288 | l+=n+3; | |
289 | if (X509_NAME_cmp(X509_get_subject_name(x), | |
290 | X509_get_issuer_name(x)) == 0) break; | |
291 | ||
292 | i=X509_STORE_get_by_subject(&xs_ctx,X509_LU_X509, | |
293 | X509_get_issuer_name(x),&obj); | |
294 | if (i <= 0) break; | |
295 | x=obj.data.x509; | |
296 | /* Count is one too high since the X509_STORE_get uped the | |
297 | * ref count */ | |
298 | X509_free(x); | |
d02b48c6 | 299 | } |
d02b48c6 | 300 | |
58964a49 RE |
301 | X509_STORE_CTX_cleanup(&xs_ctx); |
302 | } | |
d02b48c6 | 303 | |
651d0aff | 304 | /* Thawte special :-) */ |
dfeab068 | 305 | if (s->ctx->extra_certs != NULL) |
f73e07cf | 306 | for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++) |
dfeab068 | 307 | { |
f73e07cf | 308 | x=sk_X509_value(s->ctx->extra_certs,i); |
dfeab068 RE |
309 | n=i2d_X509(x,NULL); |
310 | if (!BUF_MEM_grow(buf,(int)(n+l+3))) | |
311 | { | |
312 | SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB); | |
313 | return(0); | |
314 | } | |
315 | p=(unsigned char *)&(buf->data[l]); | |
316 | l2n3(n,p); | |
317 | i2d_X509(x,&p); | |
318 | l+=n+3; | |
319 | } | |
320 | ||
d02b48c6 RE |
321 | l-=7; |
322 | p=(unsigned char *)&(buf->data[4]); | |
323 | l2n3(l,p); | |
324 | l+=3; | |
325 | p=(unsigned char *)&(buf->data[0]); | |
326 | *(p++)=SSL3_MT_CERTIFICATE; | |
327 | l2n3(l,p); | |
328 | l+=4; | |
329 | return(l); | |
330 | } | |
331 | ||
52732b38 BM |
332 | /* Obtain handshake message of message type 'mt' (any if mt == -1), |
333 | * maximum acceptable body length 'max'. | |
334 | * The first four bytes (msg_type and length) are read in state 'st1', | |
335 | * the body is read in state 'stn'. | |
336 | */ | |
6b691a5c | 337 | long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok) |
d02b48c6 RE |
338 | { |
339 | unsigned char *p; | |
340 | unsigned long l; | |
341 | long n; | |
342 | int i,al; | |
343 | ||
344 | if (s->s3->tmp.reuse_message) | |
345 | { | |
346 | s->s3->tmp.reuse_message=0; | |
347 | if ((mt >= 0) && (s->s3->tmp.message_type != mt)) | |
348 | { | |
58964a49 | 349 | al=SSL_AD_UNEXPECTED_MESSAGE; |
d02b48c6 RE |
350 | SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE); |
351 | goto f_err; | |
352 | } | |
353 | *ok=1; | |
354 | return((int)s->s3->tmp.message_size); | |
355 | } | |
356 | ||
357 | p=(unsigned char *)s->init_buf->data; | |
358 | ||
b35e9050 | 359 | if (s->state == st1) /* s->init_num < 4 */ |
d02b48c6 | 360 | { |
45206340 BM |
361 | int skip_message; |
362 | ||
363 | do | |
d02b48c6 | 364 | { |
45206340 | 365 | while (s->init_num < 4) |
b35e9050 | 366 | { |
45206340 | 367 | i=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num], |
5a4fbc69 | 368 | 4 - s->init_num, 0); |
45206340 BM |
369 | if (i <= 0) |
370 | { | |
371 | s->rwstate=SSL_READING; | |
372 | *ok = 0; | |
373 | return i; | |
374 | } | |
375 | s->init_num+=i; | |
b35e9050 | 376 | } |
45206340 BM |
377 | |
378 | skip_message = 0; | |
379 | if (!s->server) | |
380 | if (p[0] == SSL3_MT_HELLO_REQUEST) | |
381 | /* The server may always send 'Hello Request' messages -- | |
382 | * we are doing a handshake anyway now, so ignore them | |
745c70e5 BM |
383 | * if their format is correct. Does not count for |
384 | * 'Finished' MAC. */ | |
45206340 BM |
385 | if (p[1] == 0 && p[2] == 0 &&p[3] == 0) |
386 | skip_message = 1; | |
d02b48c6 | 387 | } |
45206340 | 388 | while (skip_message); |
d02b48c6 | 389 | |
745c70e5 BM |
390 | /* s->init_num == 4 */ |
391 | ||
d02b48c6 RE |
392 | if ((mt >= 0) && (*p != mt)) |
393 | { | |
58964a49 | 394 | al=SSL_AD_UNEXPECTED_MESSAGE; |
d02b48c6 RE |
395 | SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE); |
396 | goto f_err; | |
397 | } | |
a2a01589 | 398 | if ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) && |
3d14b9d0 DSH |
399 | (st1 == SSL3_ST_SR_CERT_A) && |
400 | (stn == SSL3_ST_SR_CERT_B)) | |
401 | { | |
402 | /* At this point we have got an MS SGC second client | |
745c70e5 BM |
403 | * hello (maybe we should always allow the client to |
404 | * start a new handshake?). We need to restart the mac. | |
a2a01589 BM |
405 | * Don't increment {num,total}_renegotiations because |
406 | * we have not completed the handshake. */ | |
3d14b9d0 | 407 | ssl3_init_finished_mac(s); |
3d14b9d0 | 408 | } |
745c70e5 BM |
409 | |
410 | ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, 4); | |
3d14b9d0 | 411 | |
d02b48c6 RE |
412 | s->s3->tmp.message_type= *(p++); |
413 | ||
414 | n2l3(p,l); | |
415 | if (l > (unsigned long)max) | |
416 | { | |
58964a49 | 417 | al=SSL_AD_ILLEGAL_PARAMETER; |
d02b48c6 RE |
418 | SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE); |
419 | goto f_err; | |
420 | } | |
421 | if (l && !BUF_MEM_grow(s->init_buf,(int)l)) | |
422 | { | |
423 | SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB); | |
424 | goto err; | |
425 | } | |
426 | s->s3->tmp.message_size=l; | |
427 | s->state=stn; | |
428 | ||
429 | s->init_num=0; | |
430 | } | |
431 | ||
432 | /* next state (stn) */ | |
433 | p=(unsigned char *)s->init_buf->data; | |
434 | n=s->s3->tmp.message_size; | |
b35e9050 | 435 | while (n > 0) |
d02b48c6 | 436 | { |
5a4fbc69 | 437 | i=ssl3_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0); |
b35e9050 | 438 | if (i <= 0) |
d02b48c6 | 439 | { |
b35e9050 BM |
440 | s->rwstate=SSL_READING; |
441 | *ok = 0; | |
442 | return i; | |
d02b48c6 | 443 | } |
b35e9050 BM |
444 | s->init_num += i; |
445 | n -= i; | |
d02b48c6 | 446 | } |
745c70e5 | 447 | ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num); |
d02b48c6 | 448 | *ok=1; |
b35e9050 | 449 | return s->init_num; |
d02b48c6 RE |
450 | f_err: |
451 | ssl3_send_alert(s,SSL3_AL_FATAL,al); | |
452 | err: | |
453 | *ok=0; | |
454 | return(-1); | |
455 | } | |
456 | ||
6b691a5c | 457 | int ssl_cert_type(X509 *x, EVP_PKEY *pkey) |
d02b48c6 RE |
458 | { |
459 | EVP_PKEY *pk; | |
460 | int ret= -1,i,j; | |
461 | ||
462 | if (pkey == NULL) | |
463 | pk=X509_get_pubkey(x); | |
464 | else | |
465 | pk=pkey; | |
466 | if (pk == NULL) goto err; | |
467 | ||
468 | i=pk->type; | |
469 | if (i == EVP_PKEY_RSA) | |
470 | { | |
471 | ret=SSL_PKEY_RSA_ENC; | |
472 | if (x != NULL) | |
473 | { | |
474 | j=X509_get_ext_count(x); | |
475 | /* check to see if this is a signing only certificate */ | |
476 | /* EAY EAY EAY EAY */ | |
477 | } | |
478 | } | |
479 | else if (i == EVP_PKEY_DSA) | |
480 | { | |
481 | ret=SSL_PKEY_DSA_SIGN; | |
482 | } | |
483 | else if (i == EVP_PKEY_DH) | |
484 | { | |
485 | /* if we just have a key, we needs to be guess */ | |
486 | ||
487 | if (x == NULL) | |
488 | ret=SSL_PKEY_DH_DSA; | |
489 | else | |
490 | { | |
491 | j=X509_get_signature_type(x); | |
492 | if (j == EVP_PKEY_RSA) | |
493 | ret=SSL_PKEY_DH_RSA; | |
494 | else if (j== EVP_PKEY_DSA) | |
495 | ret=SSL_PKEY_DH_DSA; | |
496 | else ret= -1; | |
497 | } | |
498 | } | |
499 | else | |
500 | ret= -1; | |
501 | ||
502 | err: | |
a8236c8c | 503 | if(!pkey) EVP_PKEY_free(pk); |
d02b48c6 RE |
504 | return(ret); |
505 | } | |
506 | ||
6b691a5c | 507 | int ssl_verify_alarm_type(long type) |
d02b48c6 RE |
508 | { |
509 | int al; | |
510 | ||
511 | switch(type) | |
512 | { | |
513 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: | |
58964a49 RE |
514 | case X509_V_ERR_UNABLE_TO_GET_CRL: |
515 | al=SSL_AD_UNKNOWN_CA; | |
516 | break; | |
d02b48c6 | 517 | case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE: |
58964a49 | 518 | case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE: |
d02b48c6 | 519 | case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY: |
d02b48c6 RE |
520 | case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: |
521 | case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: | |
58964a49 RE |
522 | case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD: |
523 | case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD: | |
524 | case X509_V_ERR_CERT_NOT_YET_VALID: | |
525 | case X509_V_ERR_CRL_NOT_YET_VALID: | |
526 | al=SSL_AD_BAD_CERTIFICATE; | |
527 | break; | |
528 | case X509_V_ERR_CERT_SIGNATURE_FAILURE: | |
529 | case X509_V_ERR_CRL_SIGNATURE_FAILURE: | |
530 | al=SSL_AD_DECRYPT_ERROR; | |
531 | break; | |
532 | case X509_V_ERR_CERT_HAS_EXPIRED: | |
533 | case X509_V_ERR_CRL_HAS_EXPIRED: | |
534 | al=SSL_AD_CERTIFICATE_EXPIRED; | |
535 | break; | |
536 | case X509_V_ERR_CERT_REVOKED: | |
537 | al=SSL_AD_CERTIFICATE_REVOKED; | |
538 | break; | |
539 | case X509_V_ERR_OUT_OF_MEM: | |
540 | al=SSL_AD_INTERNAL_ERROR; | |
541 | break; | |
d02b48c6 RE |
542 | case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: |
543 | case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN: | |
544 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY: | |
545 | case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE: | |
58964a49 RE |
546 | case X509_V_ERR_CERT_CHAIN_TOO_LONG: |
547 | al=SSL_AD_UNKNOWN_CA; | |
d02b48c6 | 548 | break; |
58964a49 RE |
549 | case X509_V_ERR_APPLICATION_VERIFICATION: |
550 | al=SSL_AD_HANDSHAKE_FAILURE; | |
d02b48c6 RE |
551 | break; |
552 | default: | |
58964a49 | 553 | al=SSL_AD_CERTIFICATE_UNKNOWN; |
d02b48c6 RE |
554 | break; |
555 | } | |
556 | return(al); | |
557 | } | |
558 | ||
6b691a5c | 559 | int ssl3_setup_buffers(SSL *s) |
d02b48c6 RE |
560 | { |
561 | unsigned char *p; | |
562 | unsigned int extra; | |
563 | ||
564 | if (s->s3->rbuf.buf == NULL) | |
565 | { | |
58964a49 | 566 | if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER) |
d02b48c6 RE |
567 | extra=SSL3_RT_MAX_EXTRA; |
568 | else | |
569 | extra=0; | |
26a3a48d | 570 | if ((p=OPENSSL_malloc(SSL3_RT_MAX_PACKET_SIZE+extra)) |
d02b48c6 RE |
571 | == NULL) |
572 | goto err; | |
573 | s->s3->rbuf.buf=p; | |
574 | } | |
575 | ||
576 | if (s->s3->wbuf.buf == NULL) | |
577 | { | |
26a3a48d | 578 | if ((p=OPENSSL_malloc(SSL3_RT_MAX_PACKET_SIZE)) |
d02b48c6 RE |
579 | == NULL) |
580 | goto err; | |
581 | s->s3->wbuf.buf=p; | |
582 | } | |
583 | s->packet= &(s->s3->rbuf.buf[0]); | |
584 | return(1); | |
585 | err: | |
586 | SSLerr(SSL_F_SSL3_SETUP_BUFFERS,ERR_R_MALLOC_FAILURE); | |
587 | return(0); | |
588 | } |