X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_asn1.c;h=b56c5e96c53019698b03d8df7f60967f2250bae0;hp=fb2a49556dc2cb7762bc997cb869d14d6c6d7725;hb=d9720a5992315a6936ffba55d2fbbac460fb96a2;hpb=cc5b6a03a320f1bdace59ea8f41c3d525202d38e diff --git a/ssl/ssl_asn1.c b/ssl/ssl_asn1.c index fb2a49556d..b56c5e96c5 100644 --- a/ssl/ssl_asn1.c +++ b/ssl/ssl_asn1.c @@ -1,85 +1,11 @@ -/* ssl/ssl_asn1.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 1995-2018 The OpenSSL Project Authors. All Rights Reserved. * Copyright 2005 Nokia. All rights reserved. * - * The portions of the attached software ("Contribution") is developed by - * Nokia Corporation and is licensed pursuant to the OpenSSL open source - * license. - * - * The Contribution, originally written by Mika Kousa and Pasi Eronen of - * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites - * support (see RFC 4279) to OpenSSL. - * - * No patent licenses or other rights except those expressly stated in - * the OpenSSL open source license shall be deemed granted or received - * expressly, by implication, estoppel, or otherwise. - * - * No assurances are provided by Nokia that the Contribution does not - * infringe the patent or other intellectual property rights of any third - * party or that the license provides you with all the necessary rights - * to make use of the Contribution. - * - * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN - * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA - * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY - * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR - * OTHERWISE. + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include @@ -89,68 +15,66 @@ #include typedef struct { - long version; - long ssl_version; + uint32_t version; + int32_t ssl_version; ASN1_OCTET_STRING *cipher; ASN1_OCTET_STRING *comp_id; ASN1_OCTET_STRING *master_key; ASN1_OCTET_STRING *session_id; -#ifndef OPENSSL_NO_KRB5 - ASN1_OCTET_STRING *krb5_princ; -#endif ASN1_OCTET_STRING *key_arg; - long time; - long timeout; + int64_t time; + int64_t timeout; X509 *peer; ASN1_OCTET_STRING *session_id_context; - long verify_result; -#ifndef OPENSSL_NO_TLSEXT + int32_t verify_result; ASN1_OCTET_STRING *tlsext_hostname; - long tlsext_tick_lifetime_hint; + uint64_t tlsext_tick_lifetime_hint; + uint32_t tlsext_tick_age_add; ASN1_OCTET_STRING *tlsext_tick; -#endif -#ifndef OPENSSL_NO_TLSEXT +#ifndef OPENSSL_NO_PSK ASN1_OCTET_STRING *psk_identity_hint; ASN1_OCTET_STRING *psk_identity; #endif #ifndef OPENSSL_NO_SRP ASN1_OCTET_STRING *srp_username; #endif - long flags; + uint64_t flags; + uint32_t max_early_data; + ASN1_OCTET_STRING *alpn_selected; + uint32_t tlsext_max_fragment_len_mode; + ASN1_OCTET_STRING *ticket_appdata; } SSL_SESSION_ASN1; ASN1_SEQUENCE(SSL_SESSION_ASN1) = { - ASN1_SIMPLE(SSL_SESSION_ASN1, version, LONG), - ASN1_SIMPLE(SSL_SESSION_ASN1, ssl_version, LONG), + ASN1_EMBED(SSL_SESSION_ASN1, version, UINT32), + ASN1_EMBED(SSL_SESSION_ASN1, ssl_version, INT32), ASN1_SIMPLE(SSL_SESSION_ASN1, cipher, ASN1_OCTET_STRING), ASN1_SIMPLE(SSL_SESSION_ASN1, session_id, ASN1_OCTET_STRING), ASN1_SIMPLE(SSL_SESSION_ASN1, master_key, ASN1_OCTET_STRING), -#ifndef OPENSSL_NO_KRB5 - ASN1_OPT(SSL_SESSION_ASN1, krb5_princ, ASN1_OCTET_STRING), -#endif ASN1_IMP_OPT(SSL_SESSION_ASN1, key_arg, ASN1_OCTET_STRING, 0), - ASN1_EXP_OPT(SSL_SESSION_ASN1, time, ZLONG, 1), - ASN1_EXP_OPT(SSL_SESSION_ASN1, timeout, ZLONG, 2), + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, time, ZINT64, 1), + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, timeout, ZINT64, 2), ASN1_EXP_OPT(SSL_SESSION_ASN1, peer, X509, 3), ASN1_EXP_OPT(SSL_SESSION_ASN1, session_id_context, ASN1_OCTET_STRING, 4), - ASN1_EXP_OPT(SSL_SESSION_ASN1, verify_result, ZLONG, 5), -#ifndef OPENSSL_NO_TLSEXT + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, verify_result, ZINT32, 5), ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_hostname, ASN1_OCTET_STRING, 6), -#endif #ifndef OPENSSL_NO_PSK ASN1_EXP_OPT(SSL_SESSION_ASN1, psk_identity_hint, ASN1_OCTET_STRING, 7), ASN1_EXP_OPT(SSL_SESSION_ASN1, psk_identity, ASN1_OCTET_STRING, 8), #endif -#ifndef OPENSSL_NO_TLSEXT - ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_tick_lifetime_hint, ZLONG, 9), + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_tick_lifetime_hint, ZUINT64, 9), ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_tick, ASN1_OCTET_STRING, 10), -#endif ASN1_EXP_OPT(SSL_SESSION_ASN1, comp_id, ASN1_OCTET_STRING, 11), #ifndef OPENSSL_NO_SRP ASN1_EXP_OPT(SSL_SESSION_ASN1, srp_username, ASN1_OCTET_STRING, 12), #endif - ASN1_EXP_OPT(SSL_SESSION_ASN1, flags, ZLONG, 13) -} ASN1_SEQUENCE_END(SSL_SESSION_ASN1) + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, flags, ZUINT64, 13), + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_tick_age_add, ZUINT32, 14), + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, max_early_data, ZUINT32, 15), + ASN1_EXP_OPT(SSL_SESSION_ASN1, alpn_selected, ASN1_OCTET_STRING, 16), + ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_max_fragment_len_mode, ZUINT32, 17), + ASN1_EXP_OPT(SSL_SESSION_ASN1, ticket_appdata, ASN1_OCTET_STRING, 18) +} static_ASN1_SEQUENCE_END(SSL_SESSION_ASN1) IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(SSL_SESSION_ASN1) @@ -162,7 +86,7 @@ static void ssl_session_oinit(ASN1_OCTET_STRING **dest, ASN1_OCTET_STRING *os, unsigned char *data, size_t len) { os->data = data; - os->length = len; + os->length = (int)len; os->flags = 0; *dest = os; } @@ -190,22 +114,15 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) ASN1_OCTET_STRING comp_id; unsigned char comp_id_data; #endif - -#ifndef OPENSSL_NO_TLSEXT ASN1_OCTET_STRING tlsext_hostname, tlsext_tick; -#endif - -#ifndef OPENSSL_NO_KRB5 - ASN1_OCTET_STRING krb5_princ; -#endif - #ifndef OPENSSL_NO_SRP ASN1_OCTET_STRING srp_username; #endif - #ifndef OPENSSL_NO_PSK ASN1_OCTET_STRING psk_identity, psk_identity_hint; #endif + ASN1_OCTET_STRING alpn_selected; + ASN1_OCTET_STRING ticket_appdata; long l; @@ -241,12 +158,6 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) ssl_session_oinit(&as.session_id_context, &sid_ctx, in->sid_ctx, in->sid_ctx_length); -#ifndef OPENSSL_NO_KRB5 - if (in->krb5_client_princ_len) { - ssl_session_oinit(&as.krb5_princ, &krb5_princ, - in->krb5_client_princ, in->krb5_client_princ_len); - } -#endif /* OPENSSL_NO_KRB5 */ as.time = in->time; as.timeout = in->timeout; @@ -254,16 +165,15 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) as.peer = in->peer; -#ifndef OPENSSL_NO_TLSEXT ssl_session_sinit(&as.tlsext_hostname, &tlsext_hostname, - in->tlsext_hostname); - if (in->tlsext_tick) { + in->ext.hostname); + if (in->ext.tick) { ssl_session_oinit(&as.tlsext_tick, &tlsext_tick, - in->tlsext_tick, in->tlsext_ticklen); + in->ext.tick, in->ext.ticklen); } - if (in->tlsext_tick_lifetime_hint > 0) - as.tlsext_tick_lifetime_hint = in->tlsext_tick_lifetime_hint; -#endif /* OPENSSL_NO_TLSEXT */ + if (in->ext.tick_lifetime_hint > 0) + as.tlsext_tick_lifetime_hint = in->ext.tick_lifetime_hint; + as.tlsext_tick_age_add = in->ext.tick_age_add; #ifndef OPENSSL_NO_PSK ssl_session_sinit(&as.psk_identity_hint, &psk_identity_hint, in->psk_identity_hint); @@ -274,6 +184,21 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) #endif /* OPENSSL_NO_SRP */ as.flags = in->flags; + as.max_early_data = in->ext.max_early_data; + + if (in->ext.alpn_selected == NULL) + as.alpn_selected = NULL; + else + ssl_session_oinit(&as.alpn_selected, &alpn_selected, + in->ext.alpn_selected, in->ext.alpn_selected_len); + + as.tlsext_max_fragment_len_mode = in->ext.max_fragment_len_mode; + + if (in->ticket_appdata == NULL) + as.ticket_appdata = NULL; + else + ssl_session_oinit(&as.ticket_appdata, &ticket_appdata, + in->ticket_appdata, in->ticket_appdata_len); return i2d_SSL_SESSION_ASN1(&as, pp); @@ -281,17 +206,15 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp) /* Utility functions for d2i_SSL_SESSION */ -/* BUF_strndup an OCTET STRING */ +/* OPENSSL_strndup an OCTET STRING */ static int ssl_session_strndup(char **pdst, ASN1_OCTET_STRING *src) { - if (*pdst) { - OPENSSL_free(*pdst); - *pdst = NULL; - } + OPENSSL_free(*pdst); + *pdst = NULL; if (src == NULL) return 1; - *pdst = BUF_strndup((char *)src->data, src->length); + *pdst = OPENSSL_strndup((char *)src->data, src->length); if (*pdst == NULL) return 0; return 1; @@ -299,14 +222,14 @@ static int ssl_session_strndup(char **pdst, ASN1_OCTET_STRING *src) /* Copy an OCTET STRING, return error if it exceeds maximum length */ -static int ssl_session_memcpy(unsigned char *dst, unsigned int *pdstlen, - ASN1_OCTET_STRING *src, int maxlen) +static int ssl_session_memcpy(unsigned char *dst, size_t *pdstlen, + ASN1_OCTET_STRING *src, size_t maxlen) { if (src == NULL) { *pdstlen = 0; return 1; } - if (src->length > maxlen) + if (src->length < 0 || src->length > (int)maxlen) return 0; memcpy(dst, src->data, src->length); *pdstlen = src->length; @@ -317,7 +240,7 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, long length) { long id; - unsigned int tmpl; + size_t tmpl; const unsigned char *p = *pp; SSL_SESSION_ASN1 *as = NULL; SSL_SESSION *ret = NULL; @@ -327,10 +250,6 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, if (as == NULL) goto err; - if (0) { - i2d_SSL_SESSION_ASN1(NULL, NULL); - } - if (!a || !*a) { ret = SSL_SESSION_new(); if (ret == NULL) @@ -358,35 +277,31 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, goto err; } - p = as->cipher->data; - id = 0x03000000L | ((unsigned long)p[0] << 8L) | (unsigned long)p[1]; + id = 0x03000000L | ((unsigned long)as->cipher->data[0] << 8L) + | (unsigned long)as->cipher->data[1]; - ret->cipher = NULL; ret->cipher_id = id; + ret->cipher = ssl3_get_cipher_by_id(id); + if (ret->cipher == NULL) + goto err; if (!ssl_session_memcpy(ret->session_id, &ret->session_id_length, as->session_id, SSL3_MAX_SSL_SESSION_ID_LENGTH)) goto err; if (!ssl_session_memcpy(ret->master_key, &tmpl, - as->master_key, SSL_MAX_MASTER_KEY_LENGTH)) + as->master_key, TLS13_MAX_RESUMPTION_PSK_LENGTH)) goto err; ret->master_key_length = tmpl; -#ifndef OPENSSL_NO_KRB5 - if (!ssl_session_memcpy(ret->krb5_client_princ, &ret->krb5_client_princ_len, - as->krb5_princ, SSL_MAX_PRINCIPAL_LENGTH)) - goto err; -#endif /* OPENSSL_NO_KRB5 */ - if (as->time != 0) - ret->time = as->time; + ret->time = (long)as->time; else - ret->time = (unsigned long)time(NULL); + ret->time = (long)time(NULL); if (as->timeout != 0) - ret->timeout = as->timeout; + ret->timeout = (long)as->timeout; else ret->timeout = 3; @@ -401,10 +316,8 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, /* NB: this defaults to zero which is X509_V_OK */ ret->verify_result = as->verify_result; -#ifndef OPENSSL_NO_TLSEXT - if (!ssl_session_strndup(&ret->tlsext_hostname, as->tlsext_hostname)) + if (!ssl_session_strndup(&ret->ext.hostname, as->tlsext_hostname)) goto err; -#endif /* OPENSSL_NO_TLSEXT */ #ifndef OPENSSL_NO_PSK if (!ssl_session_strndup(&ret->psk_identity_hint, as->psk_identity_hint)) @@ -413,16 +326,16 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, goto err; #endif -#ifndef OPENSSL_NO_TLSEXT - ret->tlsext_tick_lifetime_hint = as->tlsext_tick_lifetime_hint; - if (as->tlsext_tick) { - ret->tlsext_tick = as->tlsext_tick->data; - ret->tlsext_ticklen = as->tlsext_tick->length; + ret->ext.tick_lifetime_hint = (unsigned long)as->tlsext_tick_lifetime_hint; + ret->ext.tick_age_add = as->tlsext_tick_age_add; + OPENSSL_free(ret->ext.tick); + if (as->tlsext_tick != NULL) { + ret->ext.tick = as->tlsext_tick->data; + ret->ext.ticklen = as->tlsext_tick->length; as->tlsext_tick->data = NULL; } else { - ret->tlsext_tick = NULL; + ret->ext.tick = NULL; } -#endif /* OPENSSL_NO_TLSEXT */ #ifndef OPENSSL_NO_COMP if (as->comp_id) { if (as->comp_id->length != 1) { @@ -440,7 +353,30 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, goto err; #endif /* OPENSSL_NO_SRP */ /* Flags defaults to zero which is fine */ - ret->flags = as->flags; + ret->flags = (int32_t)as->flags; + ret->ext.max_early_data = as->max_early_data; + + OPENSSL_free(ret->ext.alpn_selected); + if (as->alpn_selected != NULL) { + ret->ext.alpn_selected = as->alpn_selected->data; + ret->ext.alpn_selected_len = as->alpn_selected->length; + as->alpn_selected->data = NULL; + } else { + ret->ext.alpn_selected = NULL; + ret->ext.alpn_selected_len = 0; + } + + ret->ext.max_fragment_len_mode = as->tlsext_max_fragment_len_mode; + + OPENSSL_free(ret->ticket_appdata); + if (as->ticket_appdata != NULL) { + ret->ticket_appdata = as->ticket_appdata->data; + ret->ticket_appdata_len = as->ticket_appdata->length; + as->ticket_appdata->data = NULL; + } else { + ret->ticket_appdata = NULL; + ret->ticket_appdata_len = 0; + } M_ASN1_free_of(as, SSL_SESSION_ASN1); @@ -449,7 +385,7 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, *pp = p; return ret; - err: + err: M_ASN1_free_of(as, SSL_SESSION_ASN1); if ((a == NULL) || (*a != ret)) SSL_SESSION_free(ret);