2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
65 static int ssl2_ok(SSL *s);
66 static long ssl2_default_timeout(void );
69 static long ssl2_default_timeout();
72 char *ssl2_version_str="SSLv2 part of SSLeay 0.8.1b 29-Jun-1998";
74 #define SSL2_NUM_CIPHERS (sizeof(ssl2_ciphers)/sizeof(SSL_CIPHER))
76 SSL_CIPHER ssl2_ciphers[]={
77 /* NULL_WITH_MD5 v3 */
81 SSL2_TXT_NULL_WITH_MD5,
82 SSL2_CK_NULL_WITH_MD5,
83 SSL_kRSA|SSL_aRSA|SSL_eNULL|SSL_MD5|SSL_EXP|SSL_SSLV2,
88 /* RC4_128_EXPORT40_WITH_MD5 */
91 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5,
92 SSL2_CK_RC4_128_EXPORT40_WITH_MD5,
93 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_EXP|SSL_SSLV2,
97 /* RC4_128_WITH_MD5 */
100 SSL2_TXT_RC4_128_WITH_MD5,
101 SSL2_CK_RC4_128_WITH_MD5,
102 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_MEDIUM,
106 /* RC2_128_CBC_EXPORT40_WITH_MD5 */
109 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5,
110 SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5,
111 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_EXP|SSL_SSLV2,
115 /* RC2_128_CBC_WITH_MD5 */
118 SSL2_TXT_RC2_128_CBC_WITH_MD5,
119 SSL2_CK_RC2_128_CBC_WITH_MD5,
120 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_MEDIUM,
124 /* IDEA_128_CBC_WITH_MD5 */
127 SSL2_TXT_IDEA_128_CBC_WITH_MD5,
128 SSL2_CK_IDEA_128_CBC_WITH_MD5,
129 SSL_kRSA|SSL_aRSA|SSL_IDEA|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_MEDIUM,
133 /* DES_64_CBC_WITH_MD5 */
136 SSL2_TXT_DES_64_CBC_WITH_MD5,
137 SSL2_CK_DES_64_CBC_WITH_MD5,
138 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_LOW,
142 /* DES_64_CBC_WITH_SHA */
146 SSL2_TXT_DES_64_CBC_WITH_SHA,
147 SSL2_CK_DES_64_CBC_WITH_SHA,
148 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA0|SSL_NOT_EXP|SSL_SSLV2|SSL_LOW,
153 /* DES_192_EDE3_CBC_WITH_MD5 */
156 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5,
157 SSL2_CK_DES_192_EDE3_CBC_WITH_MD5,
158 SSL_kRSA|SSL_aRSA|SSL_3DES|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_HIGH,
162 /* DES_192_EDE3_CBC_WITH_SHA */
166 SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA,
167 SSL2_CK_DES_192_EDE3_CBC_WITH_SHA,
168 SSL_kRSA|SSL_aRSA|SSL_3DES|SSL_SHA0|SSL_NOT_EXP|SSL_SSLV2|SSL_HIGH,
173 /* RC4_64_WITH_MD5 */
177 SSL2_TXT_RC4_64_WITH_MD5,
178 SSL2_CK_RC4_64_WITH_MD5,
179 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_SSLV2|SSL_LOW,
184 /* NULL SSLeay (testing) */
195 /* end of list :-) */
198 static SSL_METHOD SSLv2_data= {
200 ssl2_new, /* local */
201 ssl2_clear, /* local */
202 ssl2_free, /* local */
203 ssl_undefined_function,
204 ssl_undefined_function,
210 ssl2_ctrl, /* local */
211 ssl2_ctx_ctrl, /* local */
212 ssl2_get_cipher_by_char,
213 ssl2_put_cipher_by_char,
218 ssl2_default_timeout,
221 static long ssl2_default_timeout()
226 SSL_METHOD *sslv2_base_method()
231 int ssl2_num_ciphers()
233 return(SSL2_NUM_CIPHERS);
236 SSL_CIPHER *ssl2_get_cipher(u)
239 if (u < SSL2_NUM_CIPHERS)
240 return(&(ssl2_ciphers[SSL2_NUM_CIPHERS-1-u]));
248 return(s->s2->ract_data_length);
256 if ((s2=(SSL2_CTX *)Malloc(sizeof(SSL2_CTX))) == NULL) goto err;
258 if ((s2->rbuf=(unsigned char *)Malloc(
259 SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+2)) == NULL) goto err;
260 if ((s2->wbuf=(unsigned char *)Malloc(
261 SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+2)) == NULL) goto err;
269 if (s2->wbuf != NULL) Free(s2->wbuf);
270 if (s2->rbuf != NULL) Free(s2->rbuf);
282 if (s2->rbuf != NULL) Free(s2->rbuf);
283 if (s2->wbuf != NULL) Free(s2->wbuf);
284 memset(s2,0,sizeof(SSL2_CTX));
293 unsigned char *rbuf,*wbuf;
300 memset(s2,0,sizeof(SSL2_CTX));
311 long ssl2_ctrl(s,cmd,larg,parg)
320 long ssl2_ctx_ctrl(ctx,cmd,larg,parg)
329 /* This function needs to check if the ciphers required are actually
331 SSL_CIPHER *ssl2_get_cipher_by_char(p)
335 static SSL_CIPHER *sorted[SSL2_NUM_CIPHERS];
336 SSL_CIPHER c,*cp= &c,**cpp;
344 for (i=0; i<SSL2_NUM_CIPHERS; i++)
345 sorted[i]= &(ssl2_ciphers[i]);
347 qsort( (char *)sorted,
348 SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
349 FP_ICC ssl_cipher_ptr_id_cmp);
352 id=0x02000000L|((unsigned long)p[0]<<16L)|
353 ((unsigned long)p[1]<<8L)|(unsigned long)p[2];
355 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
357 SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
358 (int (*)())ssl_cipher_ptr_id_cmp);
359 if ((cpp == NULL) || !(*cpp)->valid)
365 int ssl2_put_cipher_by_char(c,p)
374 if ((l & 0xff000000) != 0x02000000) return(0);
375 p[0]=((unsigned char)(l>>16L))&0xFF;
376 p[1]=((unsigned char)(l>> 8L))&0xFF;
377 p[2]=((unsigned char)(l ))&0xFF;
382 void ssl2_generate_key_material(s)
390 km=s->s2->key_material;
391 for (i=0; i<s->s2->key_material_length; i+=MD5_DIGEST_LENGTH)
395 MD5_Update(&ctx,s->session->master_key,s->session->master_key_length);
396 MD5_Update(&ctx,(unsigned char *)&c,1);
398 MD5_Update(&ctx,s->s2->challenge,s->s2->challenge_length);
399 MD5_Update(&ctx,s->s2->conn_id,s->s2->conn_id_length);
401 km+=MD5_DIGEST_LENGTH;
405 void ssl2_return_error(s,err)
419 void ssl2_write_error(s)
425 buf[0]=SSL2_MT_ERROR;
426 buf[1]=(s->error_code>>8)&0xff;
427 buf[2]=(s->error_code)&0xff;
429 /* state=s->rwstate;*/
432 i=ssl2_write(s,&(buf[3-error]),error);
433 /* if (i == error) s->rwstate=state; */
437 else if (i != s->error)
443 static int ssl2_ok(s)
452 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);