diff options
Diffstat (limited to 'openssl/ssl/s2_lib.c')
| -rw-r--r-- | openssl/ssl/s2_lib.c | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/openssl/ssl/s2_lib.c b/openssl/ssl/s2_lib.c deleted file mode 100644 index 99146041..00000000 --- a/openssl/ssl/s2_lib.c +++ /dev/null @@ -1,556 +0,0 @@ -/* ssl/s2_lib.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ -/* ==================================================================== - * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include "ssl_locl.h" -#ifndef OPENSSL_NO_SSL2 -#include <stdio.h> -#include <openssl/objects.h> -#include <openssl/evp.h> -#include <openssl/md5.h> - -const char ssl2_version_str[]="SSLv2" OPENSSL_VERSION_PTEXT; - -#define SSL2_NUM_CIPHERS (sizeof(ssl2_ciphers)/sizeof(SSL_CIPHER)) - -/* list of available SSLv2 ciphers (sorted by id) */ -OPENSSL_GLOBAL const SSL_CIPHER ssl2_ciphers[]={ -#if 0 -/* NULL_WITH_MD5 v3 */ - { - 1, - SSL2_TXT_NULL_WITH_MD5, - SSL2_CK_NULL_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_eNULL, - SSL_MD5, - SSL_SSLV2, - SSL_EXPORT|SSL_EXP40|SSL_STRONG_NONE, - 0, - 0, - 0, - }, -#endif - -/* RC4_128_WITH_MD5 */ - { - 1, - SSL2_TXT_RC4_128_WITH_MD5, - SSL2_CK_RC4_128_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_RC4, - SSL_MD5, - SSL_SSLV2, - SSL_NOT_EXP|SSL_MEDIUM, - 0, - 128, - 128, - }, - -/* RC4_128_EXPORT40_WITH_MD5 */ - { - 1, - SSL2_TXT_RC4_128_EXPORT40_WITH_MD5, - SSL2_CK_RC4_128_EXPORT40_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_RC4, - SSL_MD5, - SSL_SSLV2, - SSL_EXPORT|SSL_EXP40, - SSL2_CF_5_BYTE_ENC, - 40, - 128, - }, - -/* RC2_128_CBC_WITH_MD5 */ - { - 1, - SSL2_TXT_RC2_128_CBC_WITH_MD5, - SSL2_CK_RC2_128_CBC_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_RC2, - SSL_MD5, - SSL_SSLV2, - SSL_NOT_EXP|SSL_MEDIUM, - 0, - 128, - 128, - }, - -/* RC2_128_CBC_EXPORT40_WITH_MD5 */ - { - 1, - SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5, - SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_RC2, - SSL_MD5, - SSL_SSLV2, - SSL_EXPORT|SSL_EXP40, - SSL2_CF_5_BYTE_ENC, - 40, - 128, - }, - -#ifndef OPENSSL_NO_IDEA -/* IDEA_128_CBC_WITH_MD5 */ - { - 1, - SSL2_TXT_IDEA_128_CBC_WITH_MD5, - SSL2_CK_IDEA_128_CBC_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_IDEA, - SSL_MD5, - SSL_SSLV2, - SSL_NOT_EXP|SSL_MEDIUM, - 0, - 128, - 128, - }, -#endif - -/* DES_64_CBC_WITH_MD5 */ - { - 1, - SSL2_TXT_DES_64_CBC_WITH_MD5, - SSL2_CK_DES_64_CBC_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_DES, - SSL_MD5, - SSL_SSLV2, - SSL_NOT_EXP|SSL_LOW, - 0, - 56, - 56, - }, - -/* DES_192_EDE3_CBC_WITH_MD5 */ - { - 1, - SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5, - SSL2_CK_DES_192_EDE3_CBC_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_3DES, - SSL_MD5, - SSL_SSLV2, - SSL_NOT_EXP|SSL_HIGH, - 0, - 168, - 168, - }, - -#if 0 -/* RC4_64_WITH_MD5 */ - { - 1, - SSL2_TXT_RC4_64_WITH_MD5, - SSL2_CK_RC4_64_WITH_MD5, - SSL_kRSA, - SSL_aRSA, - SSL_RC4, - SSL_MD5, - SSL_SSLV2, - SSL_NOT_EXP|SSL_LOW, - SSL2_CF_8_BYTE_ENC, - 64, - 64, - }, -#endif - -#if 0 -/* NULL SSLeay (testing) */ - { - 0, - SSL2_TXT_NULL, - SSL2_CK_NULL, - 0, - 0, - 0, - 0, - SSL_SSLV2, - SSL_STRONG_NONE, - 0, - 0, - 0, - }, -#endif - -/* end of list :-) */ - }; - -long ssl2_default_timeout(void) - { - return(300); - } - -int ssl2_num_ciphers(void) - { - return(SSL2_NUM_CIPHERS); - } - -const SSL_CIPHER *ssl2_get_cipher(unsigned int u) - { - if (u < SSL2_NUM_CIPHERS) - return(&(ssl2_ciphers[SSL2_NUM_CIPHERS-1-u])); - else - return(NULL); - } - -int ssl2_pending(const SSL *s) - { - return SSL_in_init(s) ? 0 : s->s2->ract_data_length; - } - -int ssl2_new(SSL *s) - { - SSL2_STATE *s2; - - if ((s2=OPENSSL_malloc(sizeof *s2)) == NULL) goto err; - memset(s2,0,sizeof *s2); - -#if SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER + 3 > SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + 2 -# error "assertion failed" -#endif - - if ((s2->rbuf=OPENSSL_malloc( - SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+2)) == NULL) goto err; - /* wbuf needs one byte more because when using two-byte headers, - * we leave the first byte unused in do_ssl_write (s2_pkt.c) */ - if ((s2->wbuf=OPENSSL_malloc( - SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+3)) == NULL) goto err; - s->s2=s2; - - ssl2_clear(s); - return(1); -err: - if (s2 != NULL) - { - if (s2->wbuf != NULL) OPENSSL_free(s2->wbuf); - if (s2->rbuf != NULL) OPENSSL_free(s2->rbuf); - OPENSSL_free(s2); - } - return(0); - } - -void ssl2_free(SSL *s) - { - SSL2_STATE *s2; - - if(s == NULL) - return; - - s2=s->s2; - if (s2->rbuf != NULL) OPENSSL_free(s2->rbuf); - if (s2->wbuf != NULL) OPENSSL_free(s2->wbuf); - OPENSSL_cleanse(s2,sizeof *s2); - OPENSSL_free(s2); - s->s2=NULL; - } - -void ssl2_clear(SSL *s) - { - SSL2_STATE *s2; - unsigned char *rbuf,*wbuf; - - s2=s->s2; - - rbuf=s2->rbuf; - wbuf=s2->wbuf; - - memset(s2,0,sizeof *s2); - - s2->rbuf=rbuf; - s2->wbuf=wbuf; - s2->clear_text=1; - s->packet=s2->rbuf; - s->version=SSL2_VERSION; - s->packet_length=0; - } - -long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg) - { - int ret=0; - - switch(cmd) - { - case SSL_CTRL_GET_SESSION_REUSED: - ret=s->hit; - break; - default: - break; - } - return(ret); - } - -long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) - { - return(0); - } - -long ssl2_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) - { - return(0); - } - -long ssl2_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) - { - return(0); - } - -/* This function needs to check if the ciphers required are actually - * available */ -const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p) - { - SSL_CIPHER c; - const SSL_CIPHER *cp; - unsigned long id; - - id=0x02000000L|((unsigned long)p[0]<<16L)| - ((unsigned long)p[1]<<8L)|(unsigned long)p[2]; - c.id=id; - cp = OBJ_bsearch_ssl_cipher_id(&c, ssl2_ciphers, SSL2_NUM_CIPHERS); - if ((cp == NULL) || (cp->valid == 0)) - return NULL; - else - return cp; - } - -int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) - { - long l; - - if (p != NULL) - { - l=c->id; - if ((l & 0xff000000) != 0x02000000) return(0); - p[0]=((unsigned char)(l>>16L))&0xFF; - p[1]=((unsigned char)(l>> 8L))&0xFF; - p[2]=((unsigned char)(l ))&0xFF; - } - return(3); - } - -int ssl2_generate_key_material(SSL *s) - { - unsigned int i; - EVP_MD_CTX ctx; - unsigned char *km; - unsigned char c='0'; - const EVP_MD *md5; - int md_size; - - md5 = EVP_md5(); - -#ifdef CHARSET_EBCDIC - c = os_toascii['0']; /* Must be an ASCII '0', not EBCDIC '0', - see SSLv2 docu */ -#endif - EVP_MD_CTX_init(&ctx); - km=s->s2->key_material; - - if (s->session->master_key_length < 0 || - s->session->master_key_length > (int)sizeof(s->session->master_key)) - { - SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR); - return 0; - } - md_size = EVP_MD_size(md5); - if (md_size < 0) - return 0; - for (i=0; i<s->s2->key_material_length; i += md_size) - { - if (((km - s->s2->key_material) + md_size) > - (int)sizeof(s->s2->key_material)) - { - /* EVP_DigestFinal_ex() below would write beyond buffer */ - SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR); - return 0; - } - - EVP_DigestInit_ex(&ctx, md5, NULL); - - OPENSSL_assert(s->session->master_key_length >= 0 - && s->session->master_key_length - < (int)sizeof(s->session->master_key)); - EVP_DigestUpdate(&ctx,s->session->master_key,s->session->master_key_length); - EVP_DigestUpdate(&ctx,&c,1); - c++; - EVP_DigestUpdate(&ctx,s->s2->challenge,s->s2->challenge_length); - EVP_DigestUpdate(&ctx,s->s2->conn_id,s->s2->conn_id_length); - EVP_DigestFinal_ex(&ctx,km,NULL); - km += md_size; - } - - EVP_MD_CTX_cleanup(&ctx); - return 1; - } - -void ssl2_return_error(SSL *s, int err) - { - if (!s->error) - { - s->error=3; - s->error_code=err; - - ssl2_write_error(s); - } - } - - -void ssl2_write_error(SSL *s) - { - unsigned char buf[3]; - int i,error; - - buf[0]=SSL2_MT_ERROR; - buf[1]=(s->error_code>>8)&0xff; - buf[2]=(s->error_code)&0xff; - -/* state=s->rwstate;*/ - - error=s->error; /* number of bytes left to write */ - s->error=0; - OPENSSL_assert(error >= 0 && error <= (int)sizeof(buf)); - i=ssl2_write(s,&(buf[3-error]),error); - -/* if (i == error) s->rwstate=state; */ - - if (i < 0) - s->error=error; - else - { - s->error=error-i; - - if (s->error == 0) - if (s->msg_callback) - s->msg_callback(1, s->version, 0, buf, 3, s, s->msg_callback_arg); /* ERROR */ - } - } - -int ssl2_shutdown(SSL *s) - { - s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN); - return(1); - } -#else /* !OPENSSL_NO_SSL2 */ - -# if PEDANTIC -static void *dummy=&dummy; -# endif - -#endif |