Import OpenSSL 1.1.0f

This commit is contained in:
Steve Dower
2017-09-07 16:27:43 -07:00
committed by Steve Dower
parent ccd3ab4aff
commit f4b81cb7c9
3340 changed files with 325158 additions and 557542 deletions

View File

@@ -1,59 +1,10 @@
/* ssl/bio_ssl.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
/*
* Copyright 1995-2016 The OpenSSL Project Authors. 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.]
* 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 <stdio.h>
@@ -61,9 +12,9 @@
#include <string.h>
#include <errno.h>
#include <openssl/crypto.h>
#include <openssl/bio.h>
#include "internal/bio.h"
#include <openssl/err.h>
#include <openssl/ssl.h>
#include "ssl_locl.h"
static int ssl_write(BIO *h, const char *buf, int num);
static int ssl_read(BIO *h, char *buf, int size);
@@ -82,7 +33,7 @@ typedef struct bio_ssl_st {
unsigned long last_time;
} BIO_SSL;
static BIO_METHOD methods_sslp = {
static const BIO_METHOD methods_sslp = {
BIO_TYPE_SSL, "ssl",
ssl_write,
ssl_read,
@@ -94,25 +45,25 @@ static BIO_METHOD methods_sslp = {
ssl_callback_ctrl,
};
BIO_METHOD *BIO_f_ssl(void)
const BIO_METHOD *BIO_f_ssl(void)
{
return (&methods_sslp);
}
static int ssl_new(BIO *bi)
{
BIO_SSL *bs;
BIO_SSL *bs = OPENSSL_zalloc(sizeof(*bs));
bs = (BIO_SSL *)OPENSSL_malloc(sizeof(BIO_SSL));
if (bs == NULL) {
BIOerr(BIO_F_SSL_NEW, ERR_R_MALLOC_FAILURE);
return (0);
}
memset(bs, 0, sizeof(BIO_SSL));
bi->init = 0;
bi->ptr = (char *)bs;
bi->flags = 0;
return (1);
BIO_set_init(bi, 0);
BIO_set_data(bi, bs);
/* Clear all flags */
BIO_clear_flags(bi, ~0);
return 1;
}
static int ssl_free(BIO *a)
@@ -121,18 +72,18 @@ static int ssl_free(BIO *a)
if (a == NULL)
return (0);
bs = (BIO_SSL *)a->ptr;
bs = BIO_get_data(a);
if (bs->ssl != NULL)
SSL_shutdown(bs->ssl);
if (a->shutdown) {
if (a->init && (bs->ssl != NULL))
if (BIO_get_shutdown(a)) {
if (BIO_get_init(a))
SSL_free(bs->ssl);
a->init = 0;
a->flags = 0;
/* Clear all flags */
BIO_clear_flags(a, ~0);
BIO_set_init(a, 0);
}
if (a->ptr != NULL)
OPENSSL_free(a->ptr);
return (1);
OPENSSL_free(bs);
return 1;
}
static int ssl_read(BIO *b, char *out, int outl)
@@ -145,23 +96,11 @@ static int ssl_read(BIO *b, char *out, int outl)
if (out == NULL)
return (0);
sb = (BIO_SSL *)b->ptr;
sb = BIO_get_data(b);
ssl = sb->ssl;
BIO_clear_retry_flags(b);
#if 0
if (!SSL_is_init_finished(ssl)) {
/* ret=SSL_do_handshake(ssl); */
if (ret > 0) {
outflags = (BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
ret = -1;
goto end;
}
}
#endif
/* if (ret > 0) */
ret = SSL_read(ssl, out, outl);
switch (SSL_get_error(ssl, ret)) {
@@ -214,7 +153,7 @@ static int ssl_read(BIO *b, char *out, int outl)
break;
}
b->retry_reason = retry_reason;
BIO_set_retry_reason(b, retry_reason);
return (ret);
}
@@ -227,7 +166,7 @@ static int ssl_write(BIO *b, const char *out, int outl)
if (out == NULL)
return (0);
bs = (BIO_SSL *)b->ptr;
bs = BIO_get_data(b);
ssl = bs->ssl;
BIO_clear_retry_flags(b);
@@ -280,18 +219,20 @@ static int ssl_write(BIO *b, const char *out, int outl)
break;
}
b->retry_reason = retry_reason;
return (ret);
BIO_set_retry_reason(b, retry_reason);
return ret;
}
static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
{
SSL **sslp, *ssl;
BIO_SSL *bs;
BIO_SSL *bs, *dbs;
BIO *dbio, *bio;
long ret = 1;
BIO *next;
bs = (BIO_SSL *)b->ptr;
bs = BIO_get_data(b);
next = BIO_next(b);
ssl = bs->ssl;
if ((ssl == NULL) && (cmd != BIO_C_SET_SSL))
return (0);
@@ -304,10 +245,13 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
else if (ssl->handshake_func == ssl->method->ssl_accept)
SSL_set_accept_state(ssl);
SSL_clear(ssl);
if (!SSL_clear(ssl)) {
ret = 0;
break;
}
if (b->next_bio != NULL)
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
if (next != NULL)
ret = BIO_ctrl(next, cmd, num, ptr);
else if (ssl->rbio != NULL)
ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
else
@@ -343,17 +287,17 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
if (!ssl_new(b))
return 0;
}
b->shutdown = (int)num;
BIO_set_shutdown(b, num);
ssl = (SSL *)ptr;
((BIO_SSL *)b->ptr)->ssl = ssl;
bs->ssl = ssl;
bio = SSL_get_rbio(ssl);
if (bio != NULL) {
if (b->next_bio != NULL)
BIO_push(bio, b->next_bio);
b->next_bio = bio;
CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO);
if (next != NULL)
BIO_push(bio, next);
BIO_set_next(b, bio);
BIO_up_ref(bio);
}
b->init = 1;
BIO_set_init(b, 1);
break;
case BIO_C_GET_SSL:
if (ptr != NULL) {
@@ -363,10 +307,10 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
ret = 0;
break;
case BIO_CTRL_GET_CLOSE:
ret = b->shutdown;
ret = BIO_get_shutdown(b);
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown = (int)num;
BIO_set_shutdown(b, (int)num);
break;
case BIO_CTRL_WPENDING:
ret = BIO_ctrl(ssl->wbio, cmd, num, ptr);
@@ -382,30 +326,26 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
BIO_copy_next_retry(b);
break;
case BIO_CTRL_PUSH:
if ((b->next_bio != NULL) && (b->next_bio != ssl->rbio)) {
SSL_set_bio(ssl, b->next_bio, b->next_bio);
CRYPTO_add(&b->next_bio->references, 1, CRYPTO_LOCK_BIO);
if ((next != NULL) && (next != ssl->rbio)) {
/*
* We are going to pass ownership of next to the SSL object...but
* we don't own a reference to pass yet - so up ref
*/
BIO_up_ref(next);
SSL_set_bio(ssl, next, next);
}
break;
case BIO_CTRL_POP:
/* Only detach if we are the BIO explicitly being popped */
if (b == ptr) {
/*
* Shouldn't happen in practice because the rbio and wbio are the
* same when pushed.
*/
if (ssl->rbio != ssl->wbio)
BIO_free_all(ssl->wbio);
if (b->next_bio != NULL)
CRYPTO_add(&b->next_bio->references, -1, CRYPTO_LOCK_BIO);
ssl->wbio = NULL;
ssl->rbio = NULL;
/* This will clear the reference we obtained during push */
SSL_set_bio(ssl, NULL, NULL);
}
break;
case BIO_C_DO_STATE_MACHINE:
BIO_clear_retry_flags(b);
b->retry_reason = 0;
BIO_set_retry_reason(b, 0);
ret = (int)SSL_do_handshake(ssl);
switch (SSL_get_error(ssl, (int)ret)) {
@@ -417,11 +357,11 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
break;
case SSL_ERROR_WANT_CONNECT:
BIO_set_flags(b, BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY);
b->retry_reason = b->next_bio->retry_reason;
BIO_set_retry_reason(b, BIO_get_retry_reason(next));
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_set_retry_special(b);
b->retry_reason = BIO_RR_SSL_X509_LOOKUP;
BIO_set_retry_reason(b, BIO_RR_SSL_X509_LOOKUP);
break;
default:
break;
@@ -429,16 +369,15 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
break;
case BIO_CTRL_DUP:
dbio = (BIO *)ptr;
if (((BIO_SSL *)dbio->ptr)->ssl != NULL)
SSL_free(((BIO_SSL *)dbio->ptr)->ssl);
((BIO_SSL *)dbio->ptr)->ssl = SSL_dup(ssl);
((BIO_SSL *)dbio->ptr)->renegotiate_count =
((BIO_SSL *)b->ptr)->renegotiate_count;
((BIO_SSL *)dbio->ptr)->byte_count = ((BIO_SSL *)b->ptr)->byte_count;
((BIO_SSL *)dbio->ptr)->renegotiate_timeout =
((BIO_SSL *)b->ptr)->renegotiate_timeout;
((BIO_SSL *)dbio->ptr)->last_time = ((BIO_SSL *)b->ptr)->last_time;
ret = (((BIO_SSL *)dbio->ptr)->ssl != NULL);
dbs = BIO_get_data(dbio);
SSL_free(dbs->ssl);
dbs->ssl = SSL_dup(ssl);
dbs->num_renegotiates = bs->num_renegotiates;
dbs->renegotiate_count = bs->renegotiate_count;
dbs->byte_count = bs->byte_count;
dbs->renegotiate_timeout = bs->renegotiate_timeout;
dbs->last_time = bs->last_time;
ret = (dbs->ssl != NULL);
break;
case BIO_C_GET_FD:
ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
@@ -475,7 +414,7 @@ static long ssl_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
BIO_SSL *bs;
long ret = 1;
bs = (BIO_SSL *)b->ptr;
bs = BIO_get_data(b);
ssl = bs->ssl;
switch (cmd) {
case BIO_CTRL_SET_CALLBACK:
@@ -516,10 +455,8 @@ BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx)
goto err;
return (ret);
err:
if (buf != NULL)
BIO_free(buf);
if (ssl != NULL)
BIO_free(ssl);
BIO_free(buf);
BIO_free(ssl);
#endif
return (NULL);
}
@@ -537,8 +474,7 @@ BIO *BIO_new_ssl_connect(SSL_CTX *ctx)
goto err;
return (ret);
err:
if (con != NULL)
BIO_free(con);
BIO_free(con);
#endif
return (NULL);
}
@@ -565,27 +501,29 @@ BIO *BIO_new_ssl(SSL_CTX *ctx, int client)
int BIO_ssl_copy_session_id(BIO *t, BIO *f)
{
BIO_SSL *tdata, *fdata;
t = BIO_find_type(t, BIO_TYPE_SSL);
f = BIO_find_type(f, BIO_TYPE_SSL);
if ((t == NULL) || (f == NULL))
return 0;
tdata = BIO_get_data(t);
fdata = BIO_get_data(f);
if ((tdata->ssl == NULL) || (fdata->ssl == NULL))
return (0);
if ((((BIO_SSL *)t->ptr)->ssl == NULL) ||
(((BIO_SSL *)f->ptr)->ssl == NULL))
return (0);
SSL_copy_session_id(((BIO_SSL *)t->ptr)->ssl, ((BIO_SSL *)f->ptr)->ssl);
if (!SSL_copy_session_id(tdata->ssl, (fdata->ssl)))
return 0;
return (1);
}
void BIO_ssl_shutdown(BIO *b)
{
SSL *s;
BIO_SSL *bdata;
while (b != NULL) {
if (b->method->type == BIO_TYPE_SSL) {
s = ((BIO_SSL *)b->ptr)->ssl;
SSL_shutdown(s);
break;
}
b = b->next_bio;
for (; b != NULL; b = BIO_next(b)) {
if (BIO_method_type(b) != BIO_TYPE_SSL)
continue;
bdata = BIO_get_data(b);
if (bdata != NULL && bdata->ssl != NULL)
SSL_shutdown(bdata->ssl);
}
}