From 422196759f93df249db38619f136cabd5dcf42cd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= Date: Wed, 12 Oct 2016 23:06:17 +0200 Subject: openssl: Move to a module and split thirdparty lib Same rationale as the previous commits. --- thirdparty/openssl/ssl/s2_lib.c | 570 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 570 insertions(+) create mode 100644 thirdparty/openssl/ssl/s2_lib.c (limited to 'thirdparty/openssl/ssl/s2_lib.c') diff --git a/thirdparty/openssl/ssl/s2_lib.c b/thirdparty/openssl/ssl/s2_lib.c new file mode 100644 index 0000000000..88e67f083a --- /dev/null +++ b/thirdparty/openssl/ssl/s2_lib.c @@ -0,0 +1,570 @@ +/* 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 +# include +# include +# include + +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_DEFAULT | SSL_NOT_EXP | SSL_MEDIUM, + 0, + 128, + 128, + }, + +# if 0 +/* 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_NOT_DEFAULT | SSL_EXPORT | SSL_EXP40, + SSL2_CF_5_BYTE_ENC, + 40, + 128, + }, +# endif + +/* 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_DEFAULT | SSL_NOT_EXP | SSL_MEDIUM, + 0, + 128, + 128, + }, + +# if 0 +/* 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_NOT_DEFAULT | SSL_EXPORT | SSL_EXP40, + SSL2_CF_5_BYTE_ENC, + 40, + 128, + }, +# endif + +# 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_DEFAULT | SSL_NOT_EXP | SSL_MEDIUM, + 0, + 128, + 128, + }, +# endif + +# if 0 +/* 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_DEFAULT | SSL_NOT_EXP | SSL_LOW, + 0, + 56, + 56, + }, +# endif + +/* 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_DEFAULT | SSL_NOT_EXP | SSL_HIGH, + 0, + 112, + 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_DEFAULT | 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; + case SSL_CTRL_CHECK_PROTO_VERSION: + return ssl3_ctrl(s, SSL_CTRL_CHECK_PROTO_VERSION, larg, parg); + 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); + 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 && l != SSL3_CK_FALLBACK_SCSV) + 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) { + /* ERROR */ + s->msg_callback(1, s->version, 0, buf, 3, s, + s->msg_callback_arg); + } + } +} + +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 -- cgit v1.2.3