summaryrefslogtreecommitdiff
path: root/thirdparty/openssl/crypto/asn1/a_bitstr.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/openssl/crypto/asn1/a_bitstr.c')
-rw-r--r--thirdparty/openssl/crypto/asn1/a_bitstr.c263
1 files changed, 0 insertions, 263 deletions
diff --git a/thirdparty/openssl/crypto/asn1/a_bitstr.c b/thirdparty/openssl/crypto/asn1/a_bitstr.c
deleted file mode 100644
index c429342e03..0000000000
--- a/thirdparty/openssl/crypto/asn1/a_bitstr.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/* crypto/asn1/a_bitstr.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.]
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/asn1.h>
-
-int ASN1_BIT_STRING_set(ASN1_BIT_STRING *x, unsigned char *d, int len)
-{
- return M_ASN1_BIT_STRING_set(x, d, len);
-}
-
-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);
-
- len = a->length;
-
- if (len > 0) {
- if (a->flags & ASN1_STRING_FLAG_BITS_LEFT) {
- bits = (int)a->flags & 0x07;
- } else {
- for (; len > 0; len--) {
- if (a->data[len - 1])
- break;
- }
- 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;
-
- ret = 1 + len;
- if (pp == NULL)
- return (ret);
-
- 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);
-}
-
-ASN1_BIT_STRING *c2i_ASN1_BIT_STRING(ASN1_BIT_STRING **a,
- const unsigned char **pp, long len)
-{
- ASN1_BIT_STRING *ret = NULL;
- const unsigned char *p;
- unsigned char *s;
- int i;
-
- if (len < 1) {
- i = ASN1_R_STRING_TOO_SHORT;
- goto err;
- }
-
- if ((a == NULL) || ((*a) == NULL)) {
- if ((ret = M_ASN1_BIT_STRING_new()) == NULL)
- return (NULL);
- } else
- ret = (*a);
-
- p = *pp;
- i = *(p++);
- if (i > 7) {
- i = ASN1_R_INVALID_BIT_STRING_BITS_LEFT;
- goto err;
- }
- /*
- * We do this to preserve the settings. If we modify the settings, via
- * the _set_bit function, we will recalculate on output
- */
- ret->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear */
- ret->flags |= (ASN1_STRING_FLAG_BITS_LEFT | i); /* set */
-
- if (len-- > 1) { /* using one because of the bits left byte */
- s = (unsigned char *)OPENSSL_malloc((int)len);
- if (s == NULL) {
- i = ERR_R_MALLOC_FAILURE;
- goto err;
- }
- memcpy(s, p, (int)len);
- s[len - 1] &= (0xff << i);
- p += len;
- } else
- s = NULL;
-
- ret->length = (int)len;
- if (ret->data != NULL)
- OPENSSL_free(ret->data);
- ret->data = s;
- ret->type = V_ASN1_BIT_STRING;
- if (a != NULL)
- (*a) = ret;
- *pp = p;
- return (ret);
- err:
- ASN1err(ASN1_F_C2I_ASN1_BIT_STRING, i);
- if ((ret != NULL) && ((a == NULL) || (*a != ret)))
- M_ASN1_BIT_STRING_free(ret);
- return (NULL);
-}
-
-/*
- * These next 2 functions from Goetz Babin-Ebell <babinebell@trustcenter.de>
- */
-int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value)
-{
- int w, v, iv;
- unsigned char *c;
-
- w = n / 8;
- v = 1 << (7 - (n & 0x07));
- iv = ~v;
- if (!value)
- v = 0;
-
- if (a == NULL)
- return 0;
-
- a->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07); /* clear, set on write */
-
- if ((a->length < (w + 1)) || (a->data == NULL)) {
- if (!value)
- return (1); /* Don't need to set */
- if (a->data == NULL)
- c = (unsigned char *)OPENSSL_malloc(w + 1);
- else
- c = (unsigned char *)OPENSSL_realloc_clean(a->data,
- a->length, w + 1);
- if (c == NULL) {
- ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- if (w + 1 - a->length > 0)
- memset(c + a->length, 0, w + 1 - a->length);
- 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);
-}
-
-int ASN1_BIT_STRING_get_bit(ASN1_BIT_STRING *a, int n)
-{
- int w, v;
-
- w = n / 8;
- v = 1 << (7 - (n & 0x07));
- if ((a == NULL) || (a->length < (w + 1)) || (a->data == NULL))
- return (0);
- return ((a->data[w] & v) != 0);
-}
-
-/*
- * Checks if the given bit string contains only bits specified by
- * the flags vector. Returns 0 if there is at least one bit set in 'a'
- * which is not specified in 'flags', 1 otherwise.
- * 'len' is the length of 'flags'.
- */
-int ASN1_BIT_STRING_check(ASN1_BIT_STRING *a,
- unsigned char *flags, int flags_len)
-{
- int i, ok;
- /* Check if there is one bit set at all. */
- if (!a || !a->data)
- return 1;
-
- /*
- * Check each byte of the internal representation of the bit string.
- */
- ok = 1;
- for (i = 0; i < a->length && ok; ++i) {
- unsigned char mask = i < flags_len ? ~flags[i] : 0xff;
- /* We are done if there is an unneeded bit set. */
- ok = (a->data[i] & mask) == 0;
- }
- return ok;
-}