From eb8dd9dca1228af0cd132f515509051ecfabf6f6 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 14 Apr 2025 17:32:06 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20250414'. --- src/lib/libcrypto/asn1/a_bitstr.c | 342 -------------------------------------- 1 file changed, 342 deletions(-) delete mode 100644 src/lib/libcrypto/asn1/a_bitstr.c (limited to 'src/lib/libcrypto/asn1/a_bitstr.c') diff --git a/src/lib/libcrypto/asn1/a_bitstr.c b/src/lib/libcrypto/asn1/a_bitstr.c deleted file mode 100644 index d5d00c4d44..0000000000 --- a/src/lib/libcrypto/asn1/a_bitstr.c +++ /dev/null @@ -1,342 +0,0 @@ -/* $OpenBSD: a_bitstr.c,v 1.43 2024/07/08 14:52:31 beck Exp $ */ -/* 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.] - */ - -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "bytestring.h" - -const ASN1_ITEM ASN1_BIT_STRING_it = { - .itype = ASN1_ITYPE_PRIMITIVE, - .utype = V_ASN1_BIT_STRING, - .sname = "ASN1_BIT_STRING", -}; -LCRYPTO_ALIAS(ASN1_BIT_STRING_it); - -ASN1_BIT_STRING * -ASN1_BIT_STRING_new(void) -{ - return (ASN1_BIT_STRING *)ASN1_item_new(&ASN1_BIT_STRING_it); -} -LCRYPTO_ALIAS(ASN1_BIT_STRING_new); - -void -ASN1_BIT_STRING_free(ASN1_BIT_STRING *a) -{ - ASN1_item_free((ASN1_VALUE *)a, &ASN1_BIT_STRING_it); -} -LCRYPTO_ALIAS(ASN1_BIT_STRING_free); - -static void -asn1_abs_clear_unused_bits(ASN1_BIT_STRING *abs) -{ - abs->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); -} - -int -asn1_abs_set_unused_bits(ASN1_BIT_STRING *abs, uint8_t unused_bits) -{ - if (unused_bits > 7) - return 0; - - asn1_abs_clear_unused_bits(abs); - - abs->flags |= ASN1_STRING_FLAG_BITS_LEFT | unused_bits; - - return 1; -} - -int -ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len) -{ - return ASN1_STRING_set(x, d, len); -} -LCRYPTO_ALIAS(ASN1_BIT_STRING_set); - -int -ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value) -{ - int w, v, iv; - unsigned char *c; - - if (a == NULL) - return 0; - if (n < 0) - return 0; - - w = n / 8; - v = 1 << (7 - (n & 0x07)); - iv = ~v; - - if (value == 0) - v = 0; - - asn1_abs_clear_unused_bits(a); - - if (a->length < w + 1 || a->data == NULL) { - /* Don't expand if there's no bit to set. */ - if (value == 0) - return 1; - if ((c = recallocarray(a->data, a->length, w + 1, 1)) == NULL) { - ASN1error(ERR_R_MALLOC_FAILURE); - return 0; - } - a->data = c; - a->length = w + 1; - } - - a->data[w] = ((a->data[w]) & iv) | v; - while (a->length > 0 && a->data[a->length - 1] == 0) - a->length--; - - return 1; -} -LCRYPTO_ALIAS(ASN1_BIT_STRING_set_bit); - -int -ASN1_BIT_STRING_get_bit(const ASN1_BIT_STRING *a, int n) -{ - int w, v; - - if (a == NULL) - return 0; - if (n < 0) - return 0; - - w = n / 8; - v = 1 << (7 - (n & 0x07)); - - if (a->length < w + 1 || a->data == NULL) - return 0; - - return (a->data[w] & v) != 0; -} -LCRYPTO_ALIAS(ASN1_BIT_STRING_get_bit); - -int -i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp) -{ - int ret, j, bits, len; - unsigned char *p, *d; - - if (a == NULL) - return (0); - - if (a->length == INT_MAX) - return (0); - - ret = a->length + 1; - - if (pp == NULL) - return (ret); - - len = a->length; - - if (len > 0) { - if (a->flags & ASN1_STRING_FLAG_BITS_LEFT) { - bits = (int)a->flags & 0x07; - } else { - j = 0; - for (; len > 0; len--) { - if (a->data[len - 1]) - break; - } - if (len > 0) - j = a->data[len - 1]; - if (j & 0x01) - bits = 0; - else if (j & 0x02) - bits = 1; - else if (j & 0x04) - bits = 2; - else if (j & 0x08) - bits = 3; - else if (j & 0x10) - bits = 4; - else if (j & 0x20) - bits = 5; - else if (j & 0x40) - bits = 6; - else if (j & 0x80) - bits = 7; - else - bits = 0; /* should not happen */ - } - } else - bits = 0; - - p= *pp; - - *(p++) = (unsigned char)bits; - d = a->data; - if (len > 0) { - memcpy(p, d, len); - p += len; - p[-1] &= 0xff << bits; - } - *pp = p; - return (ret); -} - -int -c2i_ASN1_BIT_STRING_cbs(ASN1_BIT_STRING **out_abs, CBS *cbs) -{ - ASN1_BIT_STRING *abs = NULL; - uint8_t *data = NULL; - size_t data_len = 0; - uint8_t unused_bits; - int ret = 0; - - if (out_abs == NULL) - goto err; - - if (*out_abs != NULL) { - ASN1_BIT_STRING_free(*out_abs); - *out_abs = NULL; - } - - if (!CBS_get_u8(cbs, &unused_bits)) { - ASN1error(ASN1_R_STRING_TOO_SHORT); - goto err; - } - - if (!CBS_stow(cbs, &data, &data_len)) - goto err; - if (data_len > INT_MAX) - goto err; - - if ((abs = ASN1_BIT_STRING_new()) == NULL) - goto err; - - abs->data = data; - abs->length = (int)data_len; - data = NULL; - - /* - * We do this to preserve the settings. If we modify the settings, - * via the _set_bit function, we will recalculate on output. - */ - if (!asn1_abs_set_unused_bits(abs, unused_bits)) { - ASN1error(ASN1_R_INVALID_BIT_STRING_BITS_LEFT); - goto err; - } - if (abs->length > 0) - abs->data[abs->length - 1] &= 0xff << unused_bits; - - *out_abs = abs; - abs = NULL; - - ret = 1; - - err: - ASN1_BIT_STRING_free(abs); - freezero(data, data_len); - - return ret; -} - -ASN1_BIT_STRING * -c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **out_abs, const unsigned char **pp, long len) -{ - ASN1_BIT_STRING *abs = NULL; - CBS content; - - if (out_abs != NULL) { - ASN1_BIT_STRING_free(*out_abs); - *out_abs = NULL; - } - - if (len < 0) { - ASN1error(ASN1_R_LENGTH_ERROR); - return NULL; - } - - CBS_init(&content, *pp, len); - - if (!c2i_ASN1_BIT_STRING_cbs(&abs, &content)) - return NULL; - - *pp = CBS_data(&content); - - if (out_abs != NULL) - *out_abs = abs; - - return abs; -} - -int -i2d_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **out) -{ - return ASN1_item_i2d((ASN1_VALUE *)a, out, &ASN1_BIT_STRING_it); -} -LCRYPTO_ALIAS(i2d_ASN1_BIT_STRING); - -ASN1_BIT_STRING * -d2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a, const unsigned char **in, long len) -{ - return (ASN1_BIT_STRING *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, - &ASN1_BIT_STRING_it); -} -LCRYPTO_ALIAS(d2i_ASN1_BIT_STRING); -- cgit v1.2.3-55-g6feb