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_object.c | 688 -------------------------------------- 1 file changed, 688 deletions(-) delete mode 100644 src/lib/libcrypto/asn1/a_object.c (limited to 'src/lib/libcrypto/asn1/a_object.c') diff --git a/src/lib/libcrypto/asn1/a_object.c b/src/lib/libcrypto/asn1/a_object.c deleted file mode 100644 index 2f3ca1398f..0000000000 --- a/src/lib/libcrypto/asn1/a_object.c +++ /dev/null @@ -1,688 +0,0 @@ -/* $OpenBSD: a_object.c,v 1.55 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 "asn1_local.h" - -const ASN1_ITEM ASN1_OBJECT_it = { - .itype = ASN1_ITYPE_PRIMITIVE, - .utype = V_ASN1_OBJECT, - .sname = "ASN1_OBJECT", -}; -LCRYPTO_ALIAS(ASN1_OBJECT_it); - -ASN1_OBJECT * -ASN1_OBJECT_new(void) -{ - ASN1_OBJECT *a; - - if ((a = calloc(1, sizeof(ASN1_OBJECT))) == NULL) { - ASN1error(ERR_R_MALLOC_FAILURE); - return (NULL); - } - a->flags = ASN1_OBJECT_FLAG_DYNAMIC; - - return a; -} -LCRYPTO_ALIAS(ASN1_OBJECT_new); - -void -ASN1_OBJECT_free(ASN1_OBJECT *a) -{ - if (a == NULL) - return; - if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS) { - free((void *)a->sn); - free((void *)a->ln); - a->sn = a->ln = NULL; - } - if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) { - freezero((void *)a->data, a->length); - a->data = NULL; - a->length = 0; - } - if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC) - free(a); -} -LCRYPTO_ALIAS(ASN1_OBJECT_free); - -ASN1_OBJECT * -ASN1_OBJECT_create(int nid, unsigned char *data, int len, - const char *sn, const char *ln) -{ - ASN1_OBJECT o; - - o.sn = sn; - o.ln = ln; - o.data = data; - o.nid = nid; - o.length = len; - o.flags = ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | - ASN1_OBJECT_FLAG_DYNAMIC_DATA; - return (OBJ_dup(&o)); -} -LCRYPTO_ALIAS(ASN1_OBJECT_create); - -static int -oid_add_arc(CBB *cbb, uint64_t arc) -{ - int started = 0; - uint8_t val; - int i; - - for (i = (sizeof(arc) * 8) / 7; i >= 0; i--) { - val = (arc >> (i * 7)) & 0x7f; - if (!started && i != 0 && val == 0) - continue; - if (i > 0) - val |= 0x80; - if (!CBB_add_u8(cbb, val)) - return 0; - started = 1; - } - - return 1; -} - -static int -oid_parse_arc(CBS *cbs, uint64_t *out_arc) -{ - uint64_t arc = 0; - uint8_t val; - - do { - if (!CBS_get_u8(cbs, &val)) - return 0; - if (arc == 0 && val == 0x80) - return 0; - if (out_arc != NULL && arc > (UINT64_MAX >> 7)) - return 0; - arc = (arc << 7) | (val & 0x7f); - } while (val & 0x80); - - if (out_arc != NULL) - *out_arc = arc; - - return 1; -} - -static int -oid_add_arc_txt(CBB *cbb, uint64_t arc, int first) -{ - const char *fmt = ".%llu"; - char s[22]; /* Digits in decimal representation of 2^64-1, plus '.' and NUL. */ - int n; - - if (first) - fmt = "%llu"; - n = snprintf(s, sizeof(s), fmt, (unsigned long long)arc); - if (n < 0 || (size_t)n >= sizeof(s)) - return 0; - if (!CBB_add_bytes(cbb, s, n)) - return 0; - - return 1; -} - -static int -oid_parse_arc_txt(CBS *cbs, uint64_t *out_arc, char *separator, int first) -{ - uint64_t arc = 0; - int digits = 0; - uint8_t val; - - if (!first) { - if (!CBS_get_u8(cbs, &val)) - return 0; - if ((*separator == 0 && val != '.' && val != ' ') || - (*separator != 0 && val != *separator)) { - ASN1error(ASN1_R_INVALID_SEPARATOR); - return 0; - } - *separator = val; - } - - while (CBS_len(cbs) > 0) { - if (!CBS_peek_u8(cbs, &val)) - return 0; - if (val == '.' || val == ' ') - break; - - if (!CBS_get_u8(cbs, &val)) - return 0; - if (val < '0' || val > '9') { - /* For the first arc we treat this as the separator. */ - if (first) { - ASN1error(ASN1_R_INVALID_SEPARATOR); - return 0; - } - ASN1error(ASN1_R_INVALID_DIGIT); - return 0; - } - val -= '0'; - - if (digits > 0 && arc == 0 && val == 0) { - ASN1error(ASN1_R_INVALID_NUMBER); - return 0; - } - digits++; - - if (arc > UINT64_MAX / 10) { - ASN1error(ASN1_R_TOO_LONG); - return 0; - } - arc = arc * 10 + val; - } - - if (digits < 1) { - ASN1error(ASN1_R_INVALID_NUMBER); - return 0; - } - - *out_arc = arc; - - return 1; -} - -static int -a2c_ASN1_OBJECT_internal(CBB *cbb, CBS *cbs) -{ - uint64_t arc, si1, si2; - char separator = 0; - - if (!oid_parse_arc_txt(cbs, &si1, &separator, 1)) - return 0; - - if (CBS_len(cbs) == 0) { - ASN1error(ASN1_R_MISSING_SECOND_NUMBER); - return 0; - } - - if (!oid_parse_arc_txt(cbs, &si2, &separator, 0)) - return 0; - - /* - * X.690 section 8.19 - the first two subidentifiers are encoded as - * (x * 40) + y, with x being limited to [0,1,2]. The second - * subidentifier cannot exceed 39 for x < 2. - */ - if (si1 > 2) { - ASN1error(ASN1_R_FIRST_NUM_TOO_LARGE); - return 0; - } - if ((si1 < 2 && si2 >= 40) || si2 > UINT64_MAX - si1 * 40) { - ASN1error(ASN1_R_SECOND_NUMBER_TOO_LARGE); - return 0; - } - arc = si1 * 40 + si2; - - if (!oid_add_arc(cbb, arc)) - return 0; - - while (CBS_len(cbs) > 0) { - if (!oid_parse_arc_txt(cbs, &arc, &separator, 0)) - return 0; - if (!oid_add_arc(cbb, arc)) - return 0; - } - - return 1; -} - -static int -c2a_ASN1_OBJECT(CBS *cbs, CBB *cbb) -{ - uint64_t arc, si1, si2; - - /* - * X.690 section 8.19 - the first two subidentifiers are encoded as - * (x * 40) + y, with x being limited to [0,1,2]. - */ - if (!oid_parse_arc(cbs, &arc)) - return 0; - if ((si1 = arc / 40) > 2) - si1 = 2; - si2 = arc - si1 * 40; - - if (!oid_add_arc_txt(cbb, si1, 1)) - return 0; - if (!oid_add_arc_txt(cbb, si2, 0)) - return 0; - - while (CBS_len(cbs) > 0) { - if (!oid_parse_arc(cbs, &arc)) - return 0; - if (!oid_add_arc_txt(cbb, arc, 0)) - return 0; - } - - /* NUL terminate. */ - if (!CBB_add_u8(cbb, 0)) - return 0; - - return 1; -} - -int -a2d_ASN1_OBJECT(unsigned char *out, int out_len, const char *in, int in_len) -{ - uint8_t *data = NULL; - size_t data_len; - CBS cbs; - CBB cbb; - int ret = 0; - - memset(&cbb, 0, sizeof(cbb)); - - if (in_len == -1) - in_len = strlen(in); - if (in_len <= 0) - goto err; - - CBS_init(&cbs, in, in_len); - - if (!CBB_init(&cbb, 0)) - goto err; - if (!a2c_ASN1_OBJECT_internal(&cbb, &cbs)) - goto err; - if (!CBB_finish(&cbb, &data, &data_len)) - goto err; - - if (data_len > INT_MAX) - goto err; - - if (out != NULL) { - if (out_len <= 0 || (size_t)out_len < data_len) { - ASN1error(ASN1_R_BUFFER_TOO_SMALL); - goto err; - } - memcpy(out, data, data_len); - } - - ret = (int)data_len; - - err: - CBB_cleanup(&cbb); - free(data); - - return ret; -} -LCRYPTO_ALIAS(a2d_ASN1_OBJECT); - -static int -i2t_ASN1_OBJECT_oid(const ASN1_OBJECT *aobj, CBB *cbb) -{ - CBS cbs; - - CBS_init(&cbs, aobj->data, aobj->length); - - return c2a_ASN1_OBJECT(&cbs, cbb); -} - -static int -i2t_ASN1_OBJECT_name(const ASN1_OBJECT *aobj, CBB *cbb, const char **out_name) -{ - const char *name; - int nid; - - *out_name = NULL; - - if ((nid = OBJ_obj2nid(aobj)) == NID_undef) - return 0; - - if ((name = OBJ_nid2ln(nid)) == NULL) - name = OBJ_nid2sn(nid); - if (name == NULL) - return 0; - - *out_name = name; - - if (!CBB_add_bytes(cbb, name, strlen(name))) - return 0; - - /* NUL terminate. */ - if (!CBB_add_u8(cbb, 0)) - return 0; - - return 1; -} - -static int -i2t_ASN1_OBJECT_cbb(const ASN1_OBJECT *aobj, CBB *cbb, int no_name) -{ - const char *name; - - if (!no_name) { - if (i2t_ASN1_OBJECT_name(aobj, cbb, &name)) - return 1; - if (name != NULL) - return 0; - } - return i2t_ASN1_OBJECT_oid(aobj, cbb); -} - -int -i2t_ASN1_OBJECT_internal(const ASN1_OBJECT *aobj, char *buf, int buf_len, int no_name) -{ - uint8_t *data = NULL; - size_t data_len; - CBB cbb; - int ret = 0; - - if (buf_len < 0) - return 0; - if (buf_len > 0) - buf[0] = '\0'; - - if (aobj == NULL || aobj->data == NULL) - return 0; - - if (!CBB_init(&cbb, 0)) - goto err; - if (!i2t_ASN1_OBJECT_cbb(aobj, &cbb, no_name)) - goto err; - if (!CBB_finish(&cbb, &data, &data_len)) - goto err; - - ret = strlcpy(buf, data, buf_len); - err: - CBB_cleanup(&cbb); - free(data); - - return ret; -} - -int -i2t_ASN1_OBJECT(char *buf, int buf_len, const ASN1_OBJECT *aobj) -{ - return i2t_ASN1_OBJECT_internal(aobj, buf, buf_len, 0); -} -LCRYPTO_ALIAS(i2t_ASN1_OBJECT); - -ASN1_OBJECT * -t2i_ASN1_OBJECT_internal(const char *oid) -{ - ASN1_OBJECT *aobj = NULL; - uint8_t *data = NULL; - size_t data_len; - CBB cbb; - CBS cbs; - - memset(&cbb, 0, sizeof(cbb)); - - CBS_init(&cbs, oid, strlen(oid)); - - if (!CBB_init(&cbb, 0)) - goto err; - if (!a2c_ASN1_OBJECT_internal(&cbb, &cbs)) - goto err; - if (!CBB_finish(&cbb, &data, &data_len)) - goto err; - - if (data_len > INT_MAX) - goto err; - - if ((aobj = ASN1_OBJECT_new()) == NULL) - goto err; - - aobj->data = data; - aobj->length = (int)data_len; - aobj->flags |= ASN1_OBJECT_FLAG_DYNAMIC_DATA; - data = NULL; - - err: - CBB_cleanup(&cbb); - free(data); - - return aobj; -} - -int -i2a_ASN1_OBJECT(BIO *bp, const ASN1_OBJECT *aobj) -{ - uint8_t *data = NULL; - size_t data_len; - CBB cbb; - int ret = -1; - - if (aobj == NULL || aobj->data == NULL) - return BIO_write(bp, "NULL", 4); - - if (!CBB_init(&cbb, 0)) - goto err; - if (!i2t_ASN1_OBJECT_cbb(aobj, &cbb, 0)) { - ret = BIO_write(bp, "", 9); - goto err; - } - if (!CBB_finish(&cbb, &data, &data_len)) - goto err; - - ret = BIO_write(bp, data, strlen(data)); - - err: - CBB_cleanup(&cbb); - free(data); - - return ret; -} -LCRYPTO_ALIAS(i2a_ASN1_OBJECT); - -int -c2i_ASN1_OBJECT_cbs(ASN1_OBJECT **out_aobj, CBS *content) -{ - ASN1_OBJECT *aobj = NULL; - uint8_t *data = NULL; - size_t data_len; - CBS cbs; - - if (out_aobj == NULL) - goto err; - - if (*out_aobj != NULL) { - ASN1_OBJECT_free(*out_aobj); - *out_aobj = NULL; - } - - /* Parse and validate OID encoding per X.690 8.19.2. */ - CBS_dup(content, &cbs); - if (CBS_len(&cbs) == 0) { - ASN1error(ASN1_R_INVALID_OBJECT_ENCODING); - goto err; - } - while (CBS_len(&cbs) > 0) { - if (!oid_parse_arc(&cbs, NULL)) { - ASN1error(ASN1_R_INVALID_OBJECT_ENCODING); - goto err; - } - } - - if (!CBS_stow(content, &data, &data_len)) - goto err; - - if (data_len > INT_MAX) - goto err; - - if ((aobj = ASN1_OBJECT_new()) == NULL) - goto err; - - aobj->data = data; - aobj->length = (int)data_len; /* XXX - change length to size_t. */ - aobj->flags |= ASN1_OBJECT_FLAG_DYNAMIC_DATA; - - *out_aobj = aobj; - - return 1; - - err: - ASN1_OBJECT_free(aobj); - free(data); - - return 0; -} - -ASN1_OBJECT * -c2i_ASN1_OBJECT(ASN1_OBJECT **out_aobj, const unsigned char **pp, long len) -{ - ASN1_OBJECT *aobj = NULL; - CBS content; - - if (out_aobj != NULL) { - ASN1_OBJECT_free(*out_aobj); - *out_aobj = NULL; - } - - if (len < 0) { - ASN1error(ASN1_R_LENGTH_ERROR); - return NULL; - } - - CBS_init(&content, *pp, len); - - if (!c2i_ASN1_OBJECT_cbs(&aobj, &content)) - return NULL; - - *pp = CBS_data(&content); - - if (out_aobj != NULL) - *out_aobj = aobj; - - return aobj; -} - -int -i2d_ASN1_OBJECT(const ASN1_OBJECT *a, unsigned char **pp) -{ - unsigned char *buf, *p; - int objsize; - - if (a == NULL || a->data == NULL) - return -1; - - objsize = ASN1_object_size(0, a->length, V_ASN1_OBJECT); - - if (pp == NULL) - return objsize; - - if ((buf = *pp) == NULL) - buf = calloc(1, objsize); - if (buf == NULL) - return -1; - - p = buf; - ASN1_put_object(&p, 0, a->length, V_ASN1_OBJECT, V_ASN1_UNIVERSAL); - memcpy(p, a->data, a->length); - p += a->length; - - /* If buf was allocated, return it, otherwise return the advanced p. */ - if (*pp == NULL) - p = buf; - - *pp = p; - - return objsize; -} -LCRYPTO_ALIAS(i2d_ASN1_OBJECT); - -ASN1_OBJECT * -d2i_ASN1_OBJECT(ASN1_OBJECT **out_aobj, const unsigned char **pp, long length) -{ - ASN1_OBJECT *aobj = NULL; - uint32_t tag_number; - CBS cbs, content; - - if (out_aobj != NULL) { - ASN1_OBJECT_free(*out_aobj); - *out_aobj = NULL; - } - - if (length < 0) { - ASN1error(ASN1_R_LENGTH_ERROR); - return NULL; - } - - CBS_init(&cbs, *pp, length); - - if (!asn1_get_primitive(&cbs, 0, &tag_number, &content)) { - ASN1error(ASN1_R_BAD_OBJECT_HEADER); - return NULL; - } - if (tag_number != V_ASN1_OBJECT) { - ASN1error(ASN1_R_EXPECTING_AN_OBJECT); - return NULL; - } - - if (!c2i_ASN1_OBJECT_cbs(&aobj, &content)) - return NULL; - - *pp = CBS_data(&cbs); - - if (out_aobj != NULL) - *out_aobj = aobj; - - return aobj; -} -LCRYPTO_ALIAS(d2i_ASN1_OBJECT); -- cgit v1.2.3-55-g6feb