diff options
Diffstat (limited to 'thirdparty/openssl/crypto/x509/x509_cmp.c')
-rw-r--r-- | thirdparty/openssl/crypto/x509/x509_cmp.c | 498 |
1 files changed, 0 insertions, 498 deletions
diff --git a/thirdparty/openssl/crypto/x509/x509_cmp.c b/thirdparty/openssl/crypto/x509/x509_cmp.c deleted file mode 100644 index 49c71b9128..0000000000 --- a/thirdparty/openssl/crypto/x509/x509_cmp.c +++ /dev/null @@ -1,498 +0,0 @@ -/* crypto/x509/x509_cmp.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 <ctype.h> -#include "cryptlib.h" -#include <openssl/asn1.h> -#include <openssl/objects.h> -#include <openssl/x509.h> -#include <openssl/x509v3.h> - -int X509_issuer_and_serial_cmp(const X509 *a, const X509 *b) -{ - int i; - X509_CINF *ai, *bi; - - ai = a->cert_info; - bi = b->cert_info; - i = M_ASN1_INTEGER_cmp(ai->serialNumber, bi->serialNumber); - if (i) - return (i); - return (X509_NAME_cmp(ai->issuer, bi->issuer)); -} - -#ifndef OPENSSL_NO_MD5 -unsigned long X509_issuer_and_serial_hash(X509 *a) -{ - unsigned long ret = 0; - EVP_MD_CTX ctx; - unsigned char md[16]; - char *f; - - EVP_MD_CTX_init(&ctx); - f = X509_NAME_oneline(a->cert_info->issuer, NULL, 0); - if (!EVP_DigestInit_ex(&ctx, EVP_md5(), NULL)) - goto err; - if (!EVP_DigestUpdate(&ctx, (unsigned char *)f, strlen(f))) - goto err; - OPENSSL_free(f); - if (!EVP_DigestUpdate - (&ctx, (unsigned char *)a->cert_info->serialNumber->data, - (unsigned long)a->cert_info->serialNumber->length)) - goto err; - if (!EVP_DigestFinal_ex(&ctx, &(md[0]), NULL)) - goto err; - ret = (((unsigned long)md[0]) | ((unsigned long)md[1] << 8L) | - ((unsigned long)md[2] << 16L) | ((unsigned long)md[3] << 24L) - ) & 0xffffffffL; - err: - EVP_MD_CTX_cleanup(&ctx); - return (ret); -} -#endif - -int X509_issuer_name_cmp(const X509 *a, const X509 *b) -{ - return (X509_NAME_cmp(a->cert_info->issuer, b->cert_info->issuer)); -} - -int X509_subject_name_cmp(const X509 *a, const X509 *b) -{ - return (X509_NAME_cmp(a->cert_info->subject, b->cert_info->subject)); -} - -int X509_CRL_cmp(const X509_CRL *a, const X509_CRL *b) -{ - return (X509_NAME_cmp(a->crl->issuer, b->crl->issuer)); -} - -#ifndef OPENSSL_NO_SHA -int X509_CRL_match(const X509_CRL *a, const X509_CRL *b) -{ - return memcmp(a->sha1_hash, b->sha1_hash, 20); -} -#endif - -X509_NAME *X509_get_issuer_name(X509 *a) -{ - return (a->cert_info->issuer); -} - -unsigned long X509_issuer_name_hash(X509 *x) -{ - return (X509_NAME_hash(x->cert_info->issuer)); -} - -#ifndef OPENSSL_NO_MD5 -unsigned long X509_issuer_name_hash_old(X509 *x) -{ - return (X509_NAME_hash_old(x->cert_info->issuer)); -} -#endif - -X509_NAME *X509_get_subject_name(X509 *a) -{ - return (a->cert_info->subject); -} - -ASN1_INTEGER *X509_get_serialNumber(X509 *a) -{ - return (a->cert_info->serialNumber); -} - -unsigned long X509_subject_name_hash(X509 *x) -{ - return (X509_NAME_hash(x->cert_info->subject)); -} - -#ifndef OPENSSL_NO_MD5 -unsigned long X509_subject_name_hash_old(X509 *x) -{ - return (X509_NAME_hash_old(x->cert_info->subject)); -} -#endif - -#ifndef OPENSSL_NO_SHA -/* - * Compare two certificates: they must be identical for this to work. NB: - * Although "cmp" operations are generally prototyped to take "const" - * arguments (eg. for use in STACKs), the way X509 handling is - these - * operations may involve ensuring the hashes are up-to-date and ensuring - * certain cert information is cached. So this is the point where the - * "depth-first" constification tree has to halt with an evil cast. - */ -int X509_cmp(const X509 *a, const X509 *b) -{ - int rv; - /* ensure hash is valid */ - X509_check_purpose((X509 *)a, -1, 0); - X509_check_purpose((X509 *)b, -1, 0); - - rv = memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH); - if (rv) - return rv; - /* Check for match against stored encoding too */ - if (!a->cert_info->enc.modified && !b->cert_info->enc.modified) { - rv = (int)(a->cert_info->enc.len - b->cert_info->enc.len); - if (rv) - return rv; - return memcmp(a->cert_info->enc.enc, b->cert_info->enc.enc, - a->cert_info->enc.len); - } - return rv; -} -#endif - -int X509_NAME_cmp(const X509_NAME *a, const X509_NAME *b) -{ - int ret; - - /* Ensure canonical encoding is present and up to date */ - - if (!a->canon_enc || a->modified) { - ret = i2d_X509_NAME((X509_NAME *)a, NULL); - if (ret < 0) - return -2; - } - - if (!b->canon_enc || b->modified) { - ret = i2d_X509_NAME((X509_NAME *)b, NULL); - if (ret < 0) - return -2; - } - - ret = a->canon_enclen - b->canon_enclen; - - if (ret) - return ret; - - return memcmp(a->canon_enc, b->canon_enc, a->canon_enclen); - -} - -unsigned long X509_NAME_hash(X509_NAME *x) -{ - unsigned long ret = 0; - unsigned char md[SHA_DIGEST_LENGTH]; - - /* Make sure X509_NAME structure contains valid cached encoding */ - i2d_X509_NAME(x, NULL); - if (!EVP_Digest(x->canon_enc, x->canon_enclen, md, NULL, EVP_sha1(), - NULL)) - return 0; - - ret = (((unsigned long)md[0]) | ((unsigned long)md[1] << 8L) | - ((unsigned long)md[2] << 16L) | ((unsigned long)md[3] << 24L) - ) & 0xffffffffL; - return (ret); -} - -#ifndef OPENSSL_NO_MD5 -/* - * I now DER encode the name and hash it. Since I cache the DER encoding, - * this is reasonably efficient. - */ - -unsigned long X509_NAME_hash_old(X509_NAME *x) -{ - EVP_MD_CTX md_ctx; - unsigned long ret = 0; - unsigned char md[16]; - - /* Make sure X509_NAME structure contains valid cached encoding */ - i2d_X509_NAME(x, NULL); - EVP_MD_CTX_init(&md_ctx); - EVP_MD_CTX_set_flags(&md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); - if (EVP_DigestInit_ex(&md_ctx, EVP_md5(), NULL) - && EVP_DigestUpdate(&md_ctx, x->bytes->data, x->bytes->length) - && EVP_DigestFinal_ex(&md_ctx, md, NULL)) - ret = (((unsigned long)md[0]) | ((unsigned long)md[1] << 8L) | - ((unsigned long)md[2] << 16L) | ((unsigned long)md[3] << 24L) - ) & 0xffffffffL; - EVP_MD_CTX_cleanup(&md_ctx); - - return (ret); -} -#endif - -/* Search a stack of X509 for a match */ -X509 *X509_find_by_issuer_and_serial(STACK_OF(X509) *sk, X509_NAME *name, - ASN1_INTEGER *serial) -{ - int i; - X509_CINF cinf; - X509 x, *x509 = NULL; - - if (!sk) - return NULL; - - x.cert_info = &cinf; - cinf.serialNumber = serial; - cinf.issuer = name; - - for (i = 0; i < sk_X509_num(sk); i++) { - x509 = sk_X509_value(sk, i); - if (X509_issuer_and_serial_cmp(x509, &x) == 0) - return (x509); - } - return (NULL); -} - -X509 *X509_find_by_subject(STACK_OF(X509) *sk, X509_NAME *name) -{ - X509 *x509; - int i; - - for (i = 0; i < sk_X509_num(sk); i++) { - x509 = sk_X509_value(sk, i); - if (X509_NAME_cmp(X509_get_subject_name(x509), name) == 0) - return (x509); - } - return (NULL); -} - -EVP_PKEY *X509_get_pubkey(X509 *x) -{ - if ((x == NULL) || (x->cert_info == NULL)) - return (NULL); - return (X509_PUBKEY_get(x->cert_info->key)); -} - -ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x) -{ - if (!x) - return NULL; - return x->cert_info->key->public_key; -} - -int X509_check_private_key(X509 *x, EVP_PKEY *k) -{ - EVP_PKEY *xk; - int ret; - - xk = X509_get_pubkey(x); - - if (xk) - ret = EVP_PKEY_cmp(xk, k); - else - ret = -2; - - switch (ret) { - case 1: - break; - case 0: - X509err(X509_F_X509_CHECK_PRIVATE_KEY, X509_R_KEY_VALUES_MISMATCH); - break; - case -1: - X509err(X509_F_X509_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH); - break; - case -2: - X509err(X509_F_X509_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE); - } - if (xk) - EVP_PKEY_free(xk); - if (ret > 0) - return 1; - return 0; -} - -/* - * Check a suite B algorithm is permitted: pass in a public key and the NID - * of its signature (or 0 if no signature). The pflags is a pointer to a - * flags field which must contain the suite B verification flags. - */ - -#ifndef OPENSSL_NO_EC - -static int check_suite_b(EVP_PKEY *pkey, int sign_nid, unsigned long *pflags) -{ - const EC_GROUP *grp = NULL; - int curve_nid; - if (pkey && pkey->type == EVP_PKEY_EC) - grp = EC_KEY_get0_group(pkey->pkey.ec); - if (!grp) - return X509_V_ERR_SUITE_B_INVALID_ALGORITHM; - curve_nid = EC_GROUP_get_curve_name(grp); - /* Check curve is consistent with LOS */ - if (curve_nid == NID_secp384r1) { /* P-384 */ - /* - * Check signature algorithm is consistent with curve. - */ - if (sign_nid != -1 && sign_nid != NID_ecdsa_with_SHA384) - return X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM; - if (!(*pflags & X509_V_FLAG_SUITEB_192_LOS)) - return X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED; - /* If we encounter P-384 we cannot use P-256 later */ - *pflags &= ~X509_V_FLAG_SUITEB_128_LOS_ONLY; - } else if (curve_nid == NID_X9_62_prime256v1) { /* P-256 */ - if (sign_nid != -1 && sign_nid != NID_ecdsa_with_SHA256) - return X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM; - if (!(*pflags & X509_V_FLAG_SUITEB_128_LOS_ONLY)) - return X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED; - } else - return X509_V_ERR_SUITE_B_INVALID_CURVE; - - return X509_V_OK; -} - -int X509_chain_check_suiteb(int *perror_depth, X509 *x, STACK_OF(X509) *chain, - unsigned long flags) -{ - int rv, i, sign_nid; - EVP_PKEY *pk = NULL; - unsigned long tflags; - if (!(flags & X509_V_FLAG_SUITEB_128_LOS)) - return X509_V_OK; - tflags = flags; - /* If no EE certificate passed in must be first in chain */ - if (x == NULL) { - x = sk_X509_value(chain, 0); - i = 1; - } else - i = 0; - - if (X509_get_version(x) != 2) { - rv = X509_V_ERR_SUITE_B_INVALID_VERSION; - /* Correct error depth */ - i = 0; - goto end; - } - - pk = X509_get_pubkey(x); - /* Check EE key only */ - rv = check_suite_b(pk, -1, &tflags); - if (rv != X509_V_OK) { - /* Correct error depth */ - i = 0; - goto end; - } - for (; i < sk_X509_num(chain); i++) { - sign_nid = X509_get_signature_nid(x); - x = sk_X509_value(chain, i); - if (X509_get_version(x) != 2) { - rv = X509_V_ERR_SUITE_B_INVALID_VERSION; - goto end; - } - EVP_PKEY_free(pk); - pk = X509_get_pubkey(x); - rv = check_suite_b(pk, sign_nid, &tflags); - if (rv != X509_V_OK) - goto end; - } - - /* Final check: root CA signature */ - rv = check_suite_b(pk, X509_get_signature_nid(x), &tflags); - end: - if (pk) - EVP_PKEY_free(pk); - if (rv != X509_V_OK) { - /* Invalid signature or LOS errors are for previous cert */ - if ((rv == X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM - || rv == X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED) && i) - i--; - /* - * If we have LOS error and flags changed then we are signing P-384 - * with P-256. Use more meaninggul error. - */ - if (rv == X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED && flags != tflags) - rv = X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256; - if (perror_depth) - *perror_depth = i; - } - return rv; -} - -int X509_CRL_check_suiteb(X509_CRL *crl, EVP_PKEY *pk, unsigned long flags) -{ - int sign_nid; - if (!(flags & X509_V_FLAG_SUITEB_128_LOS)) - return X509_V_OK; - sign_nid = OBJ_obj2nid(crl->crl->sig_alg->algorithm); - return check_suite_b(pk, sign_nid, &flags); -} - -#else -int X509_chain_check_suiteb(int *perror_depth, X509 *x, STACK_OF(X509) *chain, - unsigned long flags) -{ - return 0; -} - -int X509_CRL_check_suiteb(X509_CRL *crl, EVP_PKEY *pk, unsigned long flags) -{ - return 0; -} - -#endif -/* - * Not strictly speaking an "up_ref" as a STACK doesn't have a reference - * count but it has the same effect by duping the STACK and upping the ref of - * each X509 structure. - */ -STACK_OF(X509) *X509_chain_up_ref(STACK_OF(X509) *chain) -{ - STACK_OF(X509) *ret; - int i; - ret = sk_X509_dup(chain); - for (i = 0; i < sk_X509_num(ret); i++) { - X509 *x = sk_X509_value(ret, i); - CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509); - } - return ret; -} |