diff options
Diffstat (limited to 'lib/libssl/src/crypto/asn1/asn1_lib.c')
| -rw-r--r-- | lib/libssl/src/crypto/asn1/asn1_lib.c | 490 |
1 files changed, 0 insertions, 490 deletions
diff --git a/lib/libssl/src/crypto/asn1/asn1_lib.c b/lib/libssl/src/crypto/asn1/asn1_lib.c deleted file mode 100644 index 444a34c0725..00000000000 --- a/lib/libssl/src/crypto/asn1/asn1_lib.c +++ /dev/null @@ -1,490 +0,0 @@ -/* $OpenBSD: asn1_lib.c,v 1.37 2016/03/06 18:05:00 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 <limits.h> -#include <stdio.h> -#include <string.h> - -#include <openssl/asn1.h> -#include <openssl/err.h> - -static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, int max); -static void asn1_put_length(unsigned char **pp, int length); - -static int -_asn1_check_infinite_end(const unsigned char **p, long len) -{ - /* If there is 0 or 1 byte left, the length check should pick - * things up */ - if (len <= 0) - return (1); - else if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0)) { - (*p) += 2; - return (1); - } - return (0); -} - -int -ASN1_check_infinite_end(unsigned char **p, long len) -{ - return _asn1_check_infinite_end((const unsigned char **)p, len); -} - -int -ASN1_const_check_infinite_end(const unsigned char **p, long len) -{ - return _asn1_check_infinite_end(p, len); -} - -int -ASN1_get_object(const unsigned char **pp, long *plength, int *ptag, - int *pclass, long omax) -{ - int i, ret; - long l; - const unsigned char *p= *pp; - int tag, xclass, inf; - long max = omax; - - if (!max) - goto err; - ret = (*p & V_ASN1_CONSTRUCTED); - xclass = (*p & V_ASN1_PRIVATE); - i= *p & V_ASN1_PRIMITIVE_TAG; - if (i == V_ASN1_PRIMITIVE_TAG) { /* high-tag */ - p++; - if (--max == 0) - goto err; - l = 0; - while (*p & 0x80) { - l <<= 7L; - l |= *(p++) & 0x7f; - if (--max == 0) - goto err; - if (l > (INT_MAX >> 7L)) - goto err; - } - l <<= 7L; - l |= *(p++) & 0x7f; - tag = (int)l; - if (--max == 0) - goto err; - } else { - tag = i; - p++; - if (--max == 0) - goto err; - } - *ptag = tag; - *pclass = xclass; - if (!asn1_get_length(&p, &inf, plength, (int)max)) - goto err; - - if (inf && !(ret & V_ASN1_CONSTRUCTED)) - goto err; - - if (*plength > (omax - (p - *pp))) { - ASN1err(ASN1_F_ASN1_GET_OBJECT, ASN1_R_TOO_LONG); - /* Set this so that even if things are not long enough - * the values are set correctly */ - ret |= 0x80; - } - *pp = p; - return (ret | inf); - -err: - ASN1err(ASN1_F_ASN1_GET_OBJECT, ASN1_R_HEADER_TOO_LONG); - return (0x80); -} - -static int -asn1_get_length(const unsigned char **pp, int *inf, long *rl, int max) -{ - const unsigned char *p= *pp; - unsigned long ret = 0; - unsigned int i; - - if (max-- < 1) - return (0); - if (*p == 0x80) { - *inf = 1; - ret = 0; - p++; - } else { - *inf = 0; - i= *p & 0x7f; - if (*(p++) & 0x80) { - if (max < (int)i) - return (0); - /* skip leading zeroes */ - while (i && *p == 0) { - p++; - i--; - } - if (i > sizeof(long)) - return 0; - while (i-- > 0) { - ret <<= 8L; - ret |= *(p++); - } - } else - ret = i; - } - if (ret > LONG_MAX) - return 0; - *pp = p; - *rl = (long)ret; - return (1); -} - -/* class 0 is constructed - * constructed == 2 for indefinite length constructed */ -void -ASN1_put_object(unsigned char **pp, int constructed, int length, int tag, - int xclass) -{ - unsigned char *p= *pp; - int i, ttag; - - i = (constructed) ? V_ASN1_CONSTRUCTED : 0; - i |= (xclass & V_ASN1_PRIVATE); - if (tag < 31) - *(p++) = i | (tag & V_ASN1_PRIMITIVE_TAG); - else { - *(p++) = i | V_ASN1_PRIMITIVE_TAG; - for(i = 0, ttag = tag; ttag > 0; i++) - ttag >>= 7; - ttag = i; - while (i-- > 0) { - p[i] = tag & 0x7f; - if (i != (ttag - 1)) - p[i] |= 0x80; - tag >>= 7; - } - p += ttag; - } - if (constructed == 2) - *(p++) = 0x80; - else - asn1_put_length(&p, length); - *pp = p; -} - -int -ASN1_put_eoc(unsigned char **pp) -{ - unsigned char *p = *pp; - - *p++ = 0; - *p++ = 0; - *pp = p; - return 2; -} - -static void -asn1_put_length(unsigned char **pp, int length) -{ - unsigned char *p= *pp; - - int i, l; - if (length <= 127) - *(p++) = (unsigned char)length; - else { - l = length; - for (i = 0; l > 0; i++) - l >>= 8; - *(p++) = i | 0x80; - l = i; - while (i-- > 0) { - p[i] = length & 0xff; - length >>= 8; - } - p += l; - } - *pp = p; -} - -int -ASN1_object_size(int constructed, int length, int tag) -{ - int ret; - - ret = length; - ret++; - if (tag >= 31) { - while (tag > 0) { - tag >>= 7; - ret++; - } - } - if (constructed == 2) - return ret + 3; - ret++; - if (length > 127) { - while (length > 0) { - length >>= 8; - ret++; - } - } - return (ret); -} - -static int -_asn1_Finish(ASN1_const_CTX *c) -{ - if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos)) { - if (!ASN1_const_check_infinite_end(&c->p, c->slen)) { - c->error = ERR_R_MISSING_ASN1_EOS; - return (0); - } - } - if (((c->slen != 0) && !(c->inf & 1)) || - ((c->slen < 0) && (c->inf & 1))) { - c->error = ERR_R_ASN1_LENGTH_MISMATCH; - return (0); - } - return (1); -} - -int -asn1_Finish(ASN1_CTX *c) -{ - return _asn1_Finish((ASN1_const_CTX *)c); -} - -int -asn1_const_Finish(ASN1_const_CTX *c) -{ - return _asn1_Finish(c); -} - -int -asn1_GetSequence(ASN1_const_CTX *c, long *length) -{ - const unsigned char *q; - - q = c->p; - c->inf = ASN1_get_object(&(c->p), &(c->slen), &(c->tag), &(c->xclass), - *length); - if (c->inf & 0x80) { - c->error = ERR_R_BAD_GET_ASN1_OBJECT_CALL; - return (0); - } - if (c->tag != V_ASN1_SEQUENCE) { - c->error = ERR_R_EXPECTING_AN_ASN1_SEQUENCE; - return (0); - } - (*length) -= (c->p - q); - if (c->max && (*length < 0)) { - c->error = ERR_R_ASN1_LENGTH_MISMATCH; - return (0); - } - if (c->inf == (1|V_ASN1_CONSTRUCTED)) - c->slen= *length+ *(c->pp) - c->p; - c->eos = 0; - return (1); -} - -int -ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str) -{ - if (str == NULL) - return 0; - dst->type = str->type; - if (!ASN1_STRING_set(dst, str->data, str->length)) - return 0; - dst->flags = str->flags; - return 1; -} - -ASN1_STRING * -ASN1_STRING_dup(const ASN1_STRING *str) -{ - ASN1_STRING *ret; - - if (!str) - return NULL; - ret = ASN1_STRING_new(); - if (!ret) - return NULL; - if (!ASN1_STRING_copy(ret, str)) { - ASN1_STRING_free(ret); - return NULL; - } - return ret; -} - -int -ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len) -{ - const char *data = _data; - - if (len < 0) { - if (data == NULL) - return (0); - else - len = strlen(data); - } - if ((str->length < len) || (str->data == NULL)) { - unsigned char *tmp; - tmp = realloc(str->data, len + 1); - if (tmp == NULL) { - ASN1err(ASN1_F_ASN1_STRING_SET, ERR_R_MALLOC_FAILURE); - return (0); - } - str->data = tmp; - } - str->length = len; - if (data != NULL) { - memmove(str->data, data, len); - } - str->data[str->length]='\0'; - return (1); -} - -void -ASN1_STRING_set0(ASN1_STRING *str, void *data, int len) -{ - if (str->data != NULL) - explicit_bzero(str->data, str->length); - free(str->data); - str->data = data; - str->length = len; -} - -ASN1_STRING * -ASN1_STRING_new(void) -{ - return (ASN1_STRING_type_new(V_ASN1_OCTET_STRING)); -} - -ASN1_STRING * -ASN1_STRING_type_new(int type) -{ - ASN1_STRING *ret; - - ret = malloc(sizeof(ASN1_STRING)); - if (ret == NULL) { - ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW, ERR_R_MALLOC_FAILURE); - return (NULL); - } - ret->length = 0; - ret->type = type; - ret->data = NULL; - ret->flags = 0; - return (ret); -} - -void -ASN1_STRING_free(ASN1_STRING *a) -{ - if (a == NULL) - return; - if (a->data != NULL && !(a->flags & ASN1_STRING_FLAG_NDEF)) { - explicit_bzero(a->data, a->length); - free(a->data); - } - free(a); -} - -int -ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b) -{ - int i; - - i = (a->length - b->length); - if (i == 0) { - i = memcmp(a->data, b->data, a->length); - if (i == 0) - return (a->type - b->type); - else - return (i); - } else - return (i); -} - -void -asn1_add_error(const unsigned char *address, int offset) -{ - ERR_asprintf_error_data("offset=%d", offset); -} - -int -ASN1_STRING_length(const ASN1_STRING *x) -{ - return (x->length); -} - -void -ASN1_STRING_length_set(ASN1_STRING *x, int len) -{ - x->length = len; -} - -int -ASN1_STRING_type(ASN1_STRING *x) -{ - return (x->type); -} - -unsigned char * -ASN1_STRING_data(ASN1_STRING *x) -{ - return (x->data); -} |