diff options
Diffstat (limited to 'crypto/asn1/x_crl.c')
| -rw-r--r-- | crypto/asn1/x_crl.c | 506 |
1 files changed, 0 insertions, 506 deletions
diff --git a/crypto/asn1/x_crl.c b/crypto/asn1/x_crl.c deleted file mode 100644 index 36b5177c8f..0000000000 --- a/crypto/asn1/x_crl.c +++ /dev/null @@ -1,506 +0,0 @@ -/* crypto/asn1/x_crl.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 "internal/cryptlib.h" -#include <openssl/asn1t.h> -#include "asn1_locl.h" -#include <openssl/x509.h> -#include "internal/x509_int.h" -#include <openssl/x509v3.h> - -static int X509_REVOKED_cmp(const X509_REVOKED *const *a, - const X509_REVOKED *const *b); -static void setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp); - -ASN1_SEQUENCE(X509_REVOKED) = { - ASN1_SIMPLE(X509_REVOKED,serialNumber, ASN1_INTEGER), - ASN1_SIMPLE(X509_REVOKED,revocationDate, ASN1_TIME), - ASN1_SEQUENCE_OF_OPT(X509_REVOKED,extensions, X509_EXTENSION) -} ASN1_SEQUENCE_END(X509_REVOKED) - -static int def_crl_verify(X509_CRL *crl, EVP_PKEY *r); -static int def_crl_lookup(X509_CRL *crl, - X509_REVOKED **ret, ASN1_INTEGER *serial, - X509_NAME *issuer); - -static X509_CRL_METHOD int_crl_meth = { - 0, - 0, 0, - def_crl_lookup, - def_crl_verify -}; - -static const X509_CRL_METHOD *default_crl_method = &int_crl_meth; - -/* - * The X509_CRL_INFO structure needs a bit of customisation. Since we cache - * the original encoding the signature wont be affected by reordering of the - * revoked field. - */ -static int crl_inf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, - void *exarg) -{ - X509_CRL_INFO *a = (X509_CRL_INFO *)*pval; - - if (!a || !a->revoked) - return 1; - switch (operation) { - /* - * Just set cmp function here. We don't sort because that would - * affect the output of X509_CRL_print(). - */ - case ASN1_OP_D2I_POST: - (void)sk_X509_REVOKED_set_cmp_func(a->revoked, X509_REVOKED_cmp); - break; - } - return 1; -} - - -ASN1_SEQUENCE_enc(X509_CRL_INFO, enc, crl_inf_cb) = { - ASN1_OPT(X509_CRL_INFO, version, ASN1_INTEGER), - ASN1_EMBED(X509_CRL_INFO, sig_alg, X509_ALGOR), - ASN1_SIMPLE(X509_CRL_INFO, issuer, X509_NAME), - ASN1_SIMPLE(X509_CRL_INFO, lastUpdate, ASN1_TIME), - ASN1_OPT(X509_CRL_INFO, nextUpdate, ASN1_TIME), - ASN1_SEQUENCE_OF_OPT(X509_CRL_INFO, revoked, X509_REVOKED), - ASN1_EXP_SEQUENCE_OF_OPT(X509_CRL_INFO, extensions, X509_EXTENSION, 0) -} ASN1_SEQUENCE_END_enc(X509_CRL_INFO, X509_CRL_INFO) - -/* - * Set CRL entry issuer according to CRL certificate issuer extension. Check - * for unhandled critical CRL entry extensions. - */ - -static int crl_set_issuers(X509_CRL *crl) -{ - - int i, j; - GENERAL_NAMES *gens, *gtmp; - STACK_OF(X509_REVOKED) *revoked; - - revoked = X509_CRL_get_REVOKED(crl); - - gens = NULL; - for (i = 0; i < sk_X509_REVOKED_num(revoked); i++) { - X509_REVOKED *rev = sk_X509_REVOKED_value(revoked, i); - STACK_OF(X509_EXTENSION) *exts; - ASN1_ENUMERATED *reason; - X509_EXTENSION *ext; - gtmp = X509_REVOKED_get_ext_d2i(rev, - NID_certificate_issuer, &j, NULL); - if (!gtmp && (j != -1)) { - crl->flags |= EXFLAG_INVALID; - return 1; - } - - if (gtmp) { - gens = gtmp; - if (!crl->issuers) { - crl->issuers = sk_GENERAL_NAMES_new_null(); - if (!crl->issuers) - return 0; - } - if (!sk_GENERAL_NAMES_push(crl->issuers, gtmp)) - return 0; - } - rev->issuer = gens; - - reason = X509_REVOKED_get_ext_d2i(rev, NID_crl_reason, &j, NULL); - if (!reason && (j != -1)) { - crl->flags |= EXFLAG_INVALID; - return 1; - } - - if (reason) { - rev->reason = ASN1_ENUMERATED_get(reason); - ASN1_ENUMERATED_free(reason); - } else - rev->reason = CRL_REASON_NONE; - - /* Check for critical CRL entry extensions */ - - exts = rev->extensions; - - for (j = 0; j < sk_X509_EXTENSION_num(exts); j++) { - ext = sk_X509_EXTENSION_value(exts, j); - if (X509_EXTENSION_get_critical(ext)) { - if (OBJ_obj2nid(X509_EXTENSION_get_object(ext)) == NID_certificate_issuer) - continue; - crl->flags |= EXFLAG_CRITICAL; - break; - } - } - - } - - return 1; - -} - -/* - * The X509_CRL structure needs a bit of customisation. Cache some extensions - * and hash of the whole CRL. - */ -static int crl_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, - void *exarg) -{ - X509_CRL *crl = (X509_CRL *)*pval; - STACK_OF(X509_EXTENSION) *exts; - X509_EXTENSION *ext; - int idx; - - switch (operation) { - case ASN1_OP_NEW_POST: - crl->idp = NULL; - crl->akid = NULL; - crl->flags = 0; - crl->idp_flags = 0; - crl->idp_reasons = CRLDP_ALL_REASONS; - crl->meth = default_crl_method; - crl->meth_data = NULL; - crl->issuers = NULL; - crl->crl_number = NULL; - crl->base_crl_number = NULL; - break; - - case ASN1_OP_D2I_POST: - X509_CRL_digest(crl, EVP_sha1(), crl->sha1_hash, NULL); - crl->idp = X509_CRL_get_ext_d2i(crl, - NID_issuing_distribution_point, NULL, - NULL); - if (crl->idp) - setup_idp(crl, crl->idp); - - crl->akid = X509_CRL_get_ext_d2i(crl, - NID_authority_key_identifier, NULL, - NULL); - - crl->crl_number = X509_CRL_get_ext_d2i(crl, - NID_crl_number, NULL, NULL); - - crl->base_crl_number = X509_CRL_get_ext_d2i(crl, - NID_delta_crl, NULL, - NULL); - /* Delta CRLs must have CRL number */ - if (crl->base_crl_number && !crl->crl_number) - crl->flags |= EXFLAG_INVALID; - - /* - * See if we have any unhandled critical CRL extensions and indicate - * this in a flag. We only currently handle IDP so anything else - * critical sets the flag. This code accesses the X509_CRL structure - * directly: applications shouldn't do this. - */ - - exts = crl->crl.extensions; - - for (idx = 0; idx < sk_X509_EXTENSION_num(exts); idx++) { - int nid; - ext = sk_X509_EXTENSION_value(exts, idx); - nid = OBJ_obj2nid(X509_EXTENSION_get_object(ext)); - if (nid == NID_freshest_crl) - crl->flags |= EXFLAG_FRESHEST; - if (X509_EXTENSION_get_critical(ext)) { - /* We handle IDP and deltas */ - if ((nid == NID_issuing_distribution_point) - || (nid == NID_authority_key_identifier) - || (nid == NID_delta_crl)) - break;; - crl->flags |= EXFLAG_CRITICAL; - break; - } - } - - if (!crl_set_issuers(crl)) - return 0; - - if (crl->meth->crl_init) { - if (crl->meth->crl_init(crl) == 0) - return 0; - } - break; - - case ASN1_OP_FREE_POST: - if (crl->meth->crl_free) { - if (!crl->meth->crl_free(crl)) - return 0; - } - AUTHORITY_KEYID_free(crl->akid); - ISSUING_DIST_POINT_free(crl->idp); - ASN1_INTEGER_free(crl->crl_number); - ASN1_INTEGER_free(crl->base_crl_number); - sk_GENERAL_NAMES_pop_free(crl->issuers, GENERAL_NAMES_free); - break; - } - return 1; -} - -/* Convert IDP into a more convenient form */ - -static void setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp) -{ - int idp_only = 0; - /* Set various flags according to IDP */ - crl->idp_flags |= IDP_PRESENT; - if (idp->onlyuser > 0) { - idp_only++; - crl->idp_flags |= IDP_ONLYUSER; - } - if (idp->onlyCA > 0) { - idp_only++; - crl->idp_flags |= IDP_ONLYCA; - } - if (idp->onlyattr > 0) { - idp_only++; - crl->idp_flags |= IDP_ONLYATTR; - } - - if (idp_only > 1) - crl->idp_flags |= IDP_INVALID; - - if (idp->indirectCRL > 0) - crl->idp_flags |= IDP_INDIRECT; - - if (idp->onlysomereasons) { - crl->idp_flags |= IDP_REASONS; - if (idp->onlysomereasons->length > 0) - crl->idp_reasons = idp->onlysomereasons->data[0]; - if (idp->onlysomereasons->length > 1) - crl->idp_reasons |= (idp->onlysomereasons->data[1] << 8); - crl->idp_reasons &= CRLDP_ALL_REASONS; - } - - DIST_POINT_set_dpname(idp->distpoint, X509_CRL_get_issuer(crl)); -} - -ASN1_SEQUENCE_ref(X509_CRL, crl_cb, CRYPTO_LOCK_X509_CRL) = { - ASN1_EMBED(X509_CRL, crl, X509_CRL_INFO), - ASN1_EMBED(X509_CRL, sig_alg, X509_ALGOR), - ASN1_SIMPLE(X509_CRL, signature, ASN1_BIT_STRING) -} ASN1_SEQUENCE_END_ref(X509_CRL, X509_CRL) - -IMPLEMENT_ASN1_FUNCTIONS(X509_REVOKED) - -IMPLEMENT_ASN1_DUP_FUNCTION(X509_REVOKED) - -IMPLEMENT_ASN1_FUNCTIONS(X509_CRL_INFO) - -IMPLEMENT_ASN1_FUNCTIONS(X509_CRL) - -IMPLEMENT_ASN1_DUP_FUNCTION(X509_CRL) - -static int X509_REVOKED_cmp(const X509_REVOKED *const *a, - const X509_REVOKED *const *b) -{ - return (ASN1_STRING_cmp((ASN1_STRING *)(*a)->serialNumber, - (ASN1_STRING *)(*b)->serialNumber)); -} - -int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev) -{ - X509_CRL_INFO *inf; - inf = &crl->crl; - if (!inf->revoked) - inf->revoked = sk_X509_REVOKED_new(X509_REVOKED_cmp); - if (!inf->revoked || !sk_X509_REVOKED_push(inf->revoked, rev)) { - ASN1err(ASN1_F_X509_CRL_ADD0_REVOKED, ERR_R_MALLOC_FAILURE); - return 0; - } - inf->enc.modified = 1; - return 1; -} - -int X509_CRL_verify(X509_CRL *crl, EVP_PKEY *r) -{ - if (crl->meth->crl_verify) - return crl->meth->crl_verify(crl, r); - return 0; -} - -int X509_CRL_get0_by_serial(X509_CRL *crl, - X509_REVOKED **ret, ASN1_INTEGER *serial) -{ - if (crl->meth->crl_lookup) - return crl->meth->crl_lookup(crl, ret, serial, NULL); - return 0; -} - -int X509_CRL_get0_by_cert(X509_CRL *crl, X509_REVOKED **ret, X509 *x) -{ - if (crl->meth->crl_lookup) - return crl->meth->crl_lookup(crl, ret, - X509_get_serialNumber(x), - X509_get_issuer_name(x)); - return 0; -} - -static int def_crl_verify(X509_CRL *crl, EVP_PKEY *r) -{ - return (ASN1_item_verify(ASN1_ITEM_rptr(X509_CRL_INFO), - &crl->sig_alg, crl->signature, &crl->crl, r)); -} - -static int crl_revoked_issuer_match(X509_CRL *crl, X509_NAME *nm, - X509_REVOKED *rev) -{ - int i; - - if (!rev->issuer) { - if (!nm) - return 1; - if (!X509_NAME_cmp(nm, X509_CRL_get_issuer(crl))) - return 1; - return 0; - } - - if (!nm) - nm = X509_CRL_get_issuer(crl); - - for (i = 0; i < sk_GENERAL_NAME_num(rev->issuer); i++) { - GENERAL_NAME *gen = sk_GENERAL_NAME_value(rev->issuer, i); - if (gen->type != GEN_DIRNAME) - continue; - if (!X509_NAME_cmp(nm, gen->d.directoryName)) - return 1; - } - return 0; - -} - -static int def_crl_lookup(X509_CRL *crl, - X509_REVOKED **ret, ASN1_INTEGER *serial, - X509_NAME *issuer) -{ - X509_REVOKED rtmp, *rev; - int idx; - rtmp.serialNumber = serial; - /* - * Sort revoked into serial number order if not already sorted. Do this - * under a lock to avoid race condition. - */ - if (!sk_X509_REVOKED_is_sorted(crl->crl.revoked)) { - CRYPTO_w_lock(CRYPTO_LOCK_X509_CRL); - sk_X509_REVOKED_sort(crl->crl.revoked); - CRYPTO_w_unlock(CRYPTO_LOCK_X509_CRL); - } - idx = sk_X509_REVOKED_find(crl->crl.revoked, &rtmp); - if (idx < 0) - return 0; - /* Need to look for matching name */ - for (; idx < sk_X509_REVOKED_num(crl->crl.revoked); idx++) { - rev = sk_X509_REVOKED_value(crl->crl.revoked, idx); - if (ASN1_INTEGER_cmp(rev->serialNumber, serial)) - return 0; - if (crl_revoked_issuer_match(crl, issuer, rev)) { - if (ret) - *ret = rev; - if (rev->reason == CRL_REASON_REMOVE_FROM_CRL) - return 2; - return 1; - } - } - return 0; -} - -void X509_CRL_set_default_method(const X509_CRL_METHOD *meth) -{ - if (meth == NULL) - default_crl_method = &int_crl_meth; - else - default_crl_method = meth; -} - -X509_CRL_METHOD *X509_CRL_METHOD_new(int (*crl_init) (X509_CRL *crl), - int (*crl_free) (X509_CRL *crl), - int (*crl_lookup) (X509_CRL *crl, - X509_REVOKED **ret, - ASN1_INTEGER *ser, - X509_NAME *issuer), - int (*crl_verify) (X509_CRL *crl, - EVP_PKEY *pk)) -{ - X509_CRL_METHOD *m; - m = OPENSSL_malloc(sizeof(*m)); - if (!m) - return NULL; - m->crl_init = crl_init; - m->crl_free = crl_free; - m->crl_lookup = crl_lookup; - m->crl_verify = crl_verify; - m->flags = X509_CRL_METHOD_DYNAMIC; - return m; -} - -void X509_CRL_METHOD_free(X509_CRL_METHOD *m) -{ - if (!(m->flags & X509_CRL_METHOD_DYNAMIC)) - return; - OPENSSL_free(m); -} - -void X509_CRL_set_meth_data(X509_CRL *crl, void *dat) -{ - crl->meth_data = dat; -} - -void *X509_CRL_get_meth_data(X509_CRL *crl) -{ - return crl->meth_data; -} |