1 files changed, 0 insertions, 511 deletions
diff --git a/lib/libssl/src/ssl/bs_cbs.c b/lib/libssl/src/ssl/bs_cbs.c
deleted file mode 100644
index ea1f0108f61..00000000000
--- a/lib/libssl/src/ssl/bs_cbs.c
+++ /dev/null
@@ -1,511 +0,0 @@
-/*	$OpenBSD: bs_cbs.c,v 1.17 2015/06/24 09:44:18 jsing Exp $	*/
-/*
- * Copyright (c) 2014, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <openssl/opensslconf.h>
-#include <openssl/buffer.h>
-#include <openssl/crypto.h>
-
-#include "bytestring.h"
-
-void
-CBS_init(CBS *cbs, const uint8_t *data, size_t len)
-{
-	cbs->data = data;
-	cbs->initial_len = len;
-	cbs->len = len;
-}
-
-void
-CBS_dup(const CBS *cbs, CBS *out)
-{
-	CBS_init(out, CBS_data(cbs), CBS_len(cbs));
-	out->initial_len = cbs->initial_len;
-}
-
-static int
-cbs_get(CBS *cbs, const uint8_t **p, size_t n)
-{
-	if (cbs->len < n)
-		return 0;
-
-	*p = cbs->data;
-	cbs->data += n;
-	cbs->len -= n;
-	return 1;
-}
-
-size_t
-CBS_offset(const CBS *cbs)
-{
-	return cbs->initial_len - cbs->len;
-}
-
-int
-CBS_skip(CBS *cbs, size_t len)
-{
-	const uint8_t *dummy;
-	return cbs_get(cbs, &dummy, len);
-}
-
-const uint8_t *
-CBS_data(const CBS *cbs)
-{
-	return cbs->data;
-}
-
-size_t
-CBS_len(const CBS *cbs)
-{
-	return cbs->len;
-}
-
-int
-CBS_stow(const CBS *cbs, uint8_t **out_ptr, size_t *out_len)
-{
-	free(*out_ptr);
-	*out_ptr = NULL;
-	*out_len = 0;
-
-	if (cbs->len == 0)
-		return 1;
-
-	if ((*out_ptr = malloc(cbs->len)) == NULL)
-		return 0;
-
-	memcpy(*out_ptr, cbs->data, cbs->len);
-
-	*out_len = cbs->len;
-	return 1;
-}
-
-int
-CBS_strdup(const CBS *cbs, char **out_ptr)
-{
-	free(*out_ptr);
-	*out_ptr = strndup((const char *)cbs->data, cbs->len);
-	return (*out_ptr != NULL);
-}
-
-int
-CBS_write_bytes(const CBS *cbs, uint8_t *dst, size_t dst_len, size_t *copied)
-{
-	if (dst_len < cbs->len)
-		return 0;
-
-	memmove(dst, cbs->data, cbs->len);
-
-	if (copied != NULL)
-		*copied = cbs->len;
-
-	return 1;
-}
-
-int
-CBS_contains_zero_byte(const CBS *cbs)
-{
-	return memchr(cbs->data, 0, cbs->len) != NULL;
-}
-
-int
-CBS_mem_equal(const CBS *cbs, const uint8_t *data, size_t len)
-{
-	if (len != cbs->len)
-		return 0;
-
-	return timingsafe_memcmp(cbs->data, data, len) == 0;
-}
-
-static int
-cbs_get_u(CBS *cbs, uint32_t *out, size_t len)
-{
-	uint32_t result = 0;
-	size_t i;
-	const uint8_t *data;
-
-	if (len < 1 || len > 4)
-		return 0;
-
-	if (!cbs_get(cbs, &data, len))
-		return 0;
-
-	for (i = 0; i < len; i++) {
-		result <<= 8;
-		result |= data[i];
-	}
-	*out = result;
-	return 1;
-}
-
-int
-CBS_get_u8(CBS *cbs, uint8_t *out)
-{
-	const uint8_t *v;
-
-	if (!cbs_get(cbs, &v, 1))
-		return 0;
-
-	*out = *v;
-	return 1;
-}
-
-int
-CBS_get_u16(CBS *cbs, uint16_t *out)
-{
-	uint32_t v;
-
-	if (!cbs_get_u(cbs, &v, 2))
-		return 0;
-
-	*out = v;
-	return 1;
-}
-
-int
-CBS_get_u24(CBS *cbs, uint32_t *out)
-{
-	return cbs_get_u(cbs, out, 3);
-}
-
-int
-CBS_get_u32(CBS *cbs, uint32_t *out)
-{
-	return cbs_get_u(cbs, out, 4);
-}
-
-int
-CBS_get_bytes(CBS *cbs, CBS *out, size_t len)
-{
-	const uint8_t *v;
-
-	if (!cbs_get(cbs, &v, len))
-		return 0;
-
-	CBS_init(out, v, len);
-	return 1;
-}
-
-static int
-cbs_get_length_prefixed(CBS *cbs, CBS *out, size_t len_len)
-{
-	uint32_t len;
-
-	if (!cbs_get_u(cbs, &len, len_len))
-		return 0;
-
-	return CBS_get_bytes(cbs, out, len);
-}
-
-int
-CBS_get_u8_length_prefixed(CBS *cbs, CBS *out)
-{
-	return cbs_get_length_prefixed(cbs, out, 1);
-}
-
-int
-CBS_get_u16_length_prefixed(CBS *cbs, CBS *out)
-{
-	return cbs_get_length_prefixed(cbs, out, 2);
-}
-
-int
-CBS_get_u24_length_prefixed(CBS *cbs, CBS *out)
-{
-	return cbs_get_length_prefixed(cbs, out, 3);
-}
-
-int
-CBS_get_any_asn1_element(CBS *cbs, CBS *out, unsigned int *out_tag,
-    size_t *out_header_len)
-{
-	return cbs_get_any_asn1_element_internal(cbs, out, out_tag,
-	    out_header_len, 1);
-}
-
-/*
- * Review X.690 for details on ASN.1 DER encoding.
- *
- * If non-strict mode is enabled, then DER rules are relaxed
- * for indefinite constructs (violates DER but a little closer to BER).
- * Non-strict mode should only be used by bs_ber.c
- *
- * Sections 8, 10 and 11 for DER encoding
- */
-int
-cbs_get_any_asn1_element_internal(CBS *cbs, CBS *out, unsigned int *out_tag,
-    size_t *out_header_len, int strict)
-{
-	uint8_t tag, length_byte;
-	CBS header = *cbs;
-	CBS throwaway;
-	size_t len;
-
-	if (out == NULL)
-		out = &throwaway;
-
-	/*
-	 * Get identifier octet and length octet.  Only 1 octet for each
-	 * is a CBS limitation.
-	 */
-	if (!CBS_get_u8(&header, &tag) || !CBS_get_u8(&header, &length_byte))
-		return 0;
-
-	/* CBS limitation: long form tags are not supported. */
-	if ((tag & 0x1f) == 0x1f)
-		return 0;
-
-	if (out_tag != NULL)
-		*out_tag = tag;
-
-	if ((length_byte & 0x80) == 0) {
-		/* Short form length. */
-		len = ((size_t) length_byte) + 2;
-		if (out_header_len != NULL)
-			*out_header_len = 2;
-
-	} else {
-		/* Long form length. */
-		const size_t num_bytes = length_byte & 0x7f;
-		uint32_t len32;
-
-		/* ASN.1 reserved value for future extensions */
-		if (num_bytes == 0x7f)
-			return 0;
-
-		/* Handle indefinite form length */
-		if (num_bytes == 0) {
-			/* DER encoding doesn't allow for indefinite form. */
-			if (strict)
-				return 0;
-
-			/* Primitive cannot use indefinite in BER or DER. */
-			if ((tag & CBS_ASN1_CONSTRUCTED) == 0)
-				return 0;
-
-			/* Constructed, indefinite length allowed in BER. */
-			if (out_header_len != NULL)
-				*out_header_len = 2;
-			return CBS_get_bytes(cbs, out, 2);
-		}
-
-		/* CBS limitation. */
-		if (num_bytes > 4)
-			return 0;
-
-		if (!cbs_get_u(&header, &len32, num_bytes))
-			return 0;
-
-		/* DER has a minimum length octet requirement. */
-		if (len32 < 128)
-			/* Should have used short form instead */
-			return 0;
-
-		if ((len32 >> ((num_bytes - 1) * 8)) == 0)
-			/* Length should have been at least one byte shorter. */
-			return 0;
-
-		len = len32;
-		if (len + 2 + num_bytes < len)
-			/* Overflow. */
-			return 0;
-
-		len += 2 + num_bytes;
-		if (out_header_len != NULL)
-			*out_header_len = 2 + num_bytes;
-	}
-
-	return CBS_get_bytes(cbs, out, len);
-}
-
-static int
-cbs_get_asn1(CBS *cbs, CBS *out, unsigned int tag_value, int skip_header)
-{
-	size_t header_len;
-	unsigned int tag;
-	CBS throwaway;
-
-	if (out == NULL)
-		out = &throwaway;
-
-	if (!CBS_get_any_asn1_element(cbs, out, &tag, &header_len) ||
-	    tag != tag_value)
-		return 0;
-
-	if (skip_header && !CBS_skip(out, header_len)) {
-		assert(0);
-		return 0;
-	}
-
-	return 1;
-}
-
-int
-CBS_get_asn1(CBS *cbs, CBS *out, unsigned int tag_value)
-{
-	return cbs_get_asn1(cbs, out, tag_value, 1 /* skip header */);
-}
-
-int
-CBS_get_asn1_element(CBS *cbs, CBS *out, unsigned int tag_value)
-{
-	return cbs_get_asn1(cbs, out, tag_value, 0 /* include header */);
-}
-
-int
-CBS_peek_asn1_tag(const CBS *cbs, unsigned int tag_value)
-{
-	if (CBS_len(cbs) < 1)
-		return 0;
-
-	/*
-	 * Tag number 31 indicates the start of a long form number.
-	 * This is valid in ASN.1, but CBS only supports short form.
-	 */
-	if ((tag_value & 0x1f) == 0x1f)
-		return 0;
-
-	return CBS_data(cbs)[0] == tag_value;
-}
-
-/* Encoding details are in ASN.1: X.690 section 8.3 */
-int
-CBS_get_asn1_uint64(CBS *cbs, uint64_t *out)
-{
-	CBS bytes;
-	const uint8_t *data;
-	size_t i, len;
-
-	if (!CBS_get_asn1(cbs, &bytes, CBS_ASN1_INTEGER))
-		return 0;
-
-	*out = 0;
-	data = CBS_data(&bytes);
-	len = CBS_len(&bytes);
-
-	if (len == 0)
-		/* An INTEGER is encoded with at least one content octet. */
-		return 0;
-
-	if ((data[0] & 0x80) != 0)
-		/* Negative number. */
-		return 0;
-
-	if (data[0] == 0 && len > 1 && (data[1] & 0x80) == 0)
-		/* Violates smallest encoding rule: excessive leading zeros. */
-		return 0;
-
-	for (i = 0; i < len; i++) {
-		if ((*out >> 56) != 0)
-			/* Too large to represent as a uint64_t. */
-			return 0;
-
-		*out <<= 8;
-		*out |= data[i];
-	}
-
-	return 1;
-}
-
-int
-CBS_get_optional_asn1(CBS *cbs, CBS *out, int *out_present, unsigned int tag)
-{
-	if (CBS_peek_asn1_tag(cbs, tag)) {
-		if (!CBS_get_asn1(cbs, out, tag))
-			return 0;
-
-		*out_present = 1;
-	} else {
-		*out_present = 0;
-	}
-	return 1;
-}
-
-int
-CBS_get_optional_asn1_octet_string(CBS *cbs, CBS *out, int *out_present,
-    unsigned int tag)
-{
-	CBS child;
-	int present;
-
-	if (!CBS_get_optional_asn1(cbs, &child, &present, tag))
-		return 0;
-
-	if (present) {
-		if (!CBS_get_asn1(&child, out, CBS_ASN1_OCTETSTRING) ||
-		    CBS_len(&child) != 0)
-			return 0;
-	} else {
-		CBS_init(out, NULL, 0);
-	}
-	if (out_present)
-		*out_present = present;
-
-	return 1;
-}
-
-int
-CBS_get_optional_asn1_uint64(CBS *cbs, uint64_t *out, unsigned int tag,
-    uint64_t default_value)
-{
-	CBS child;
-	int present;
-
-	if (!CBS_get_optional_asn1(cbs, &child, &present, tag))
-		return 0;
-
-	if (present) {
-		if (!CBS_get_asn1_uint64(&child, out) ||
-		    CBS_len(&child) != 0)
-			return 0;
-	} else {
-		*out = default_value;
-	}
-	return 1;
-}
-
-int
-CBS_get_optional_asn1_bool(CBS *cbs, int *out, unsigned int tag,
-    int default_value)
-{
-	CBS child, child2;
-	int present;
-
-	if (!CBS_get_optional_asn1(cbs, &child, &present, tag))
-		return 0;
-
-	if (present) {
-		uint8_t boolean;
-
-		if (!CBS_get_asn1(&child, &child2, CBS_ASN1_BOOLEAN) ||
-		    CBS_len(&child2) != 1 || CBS_len(&child) != 0)
-			return 0;
-
-		boolean = CBS_data(&child2)[0];
-		if (boolean == 0)
-			*out = 0;
-		else if (boolean == 0xff)
-			*out = 1;
-		else
-			return 0;
-
-	} else {
-		*out = default_value;
-	}
-	return 1;
-}