-/* 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.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+#include <ctype.h>
#include <stdio.h>
#include <time.h>
#include <errno.h>
int X509_verify_cert(X509_STORE_CTX *ctx)
{
SSL_DANE *dane = ctx->dane;
+ int ret;
if (ctx->cert == NULL) {
X509err(X509_F_X509_VERIFY_CERT, X509_R_NO_CERT_SET_FOR_US_TO_VERIFY);
+ ctx->error = X509_V_ERR_INVALID_CALL;
return -1;
}
* cannot do another one.
*/
X509err(X509_F_X509_VERIFY_CERT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ ctx->error = X509_V_ERR_INVALID_CALL;
return -1;
}
if (((ctx->chain = sk_X509_new_null()) == NULL) ||
(!sk_X509_push(ctx->chain, ctx->cert))) {
X509err(X509_F_X509_VERIFY_CERT, ERR_R_MALLOC_FAILURE);
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
return -1;
}
X509_up_ref(ctx->cert);
!verify_cb_cert(ctx, ctx->cert, 0, X509_V_ERR_EE_KEY_TOO_SMALL))
return 0;
+ if (DANETLS_ENABLED(dane))
+ ret = dane_verify(ctx);
+ else
+ ret = verify_chain(ctx);
+
/*
- * If dane->trecs is an empty stack, we'll fail, since the user enabled
- * DANE. If none of the TLSA records were usable, and it makes sense to
- * keep going with an unauthenticated handshake, they can handle that in
- * the verify callback, or not set SSL_VERIFY_PEER.
+ * Safety-net. If we are returning an error, we must also set ctx->error,
+ * so that the chain is not considered verified should the error be ignored
+ * (e.g. TLS with SSL_VERIFY_NONE).
*/
- if (DANETLS_ENABLED(dane))
- return dane_verify(ctx);
- return verify_chain(ctx);
+ if (ret <= 0 && ctx->error == X509_V_OK)
+ ctx->error = X509_V_ERR_UNSPECIFIED;
+ return ret;
}
/*
static X509 *find_issuer(X509_STORE_CTX *ctx, STACK_OF(X509) *sk, X509 *x)
{
int i;
+ X509 *issuer, *rv = NULL;
for (i = 0; i < sk_X509_num(sk); i++) {
- X509 *issuer = sk_X509_value(sk, i);
-
- if (!ctx->check_issued(ctx, x, issuer))
- continue;
- if (x509_check_cert_time(ctx, issuer, -1))
- return issuer;
+ issuer = sk_X509_value(sk, i);
+ if (ctx->check_issued(ctx, x, issuer)) {
+ rv = issuer;
+ if (x509_check_cert_time(ctx, rv, -1))
+ break;
+ }
}
- return NULL;
+ return rv;
}
/* Given a possible certificate and issuer check them */
} else {
allow_proxy_certs =
! !(ctx->param->flags & X509_V_FLAG_ALLOW_PROXY_CERTS);
- /*
- * A hack to keep people who don't want to modify their software
- * happy
- */
- if (getenv("OPENSSL_ALLOW_PROXY_CERTS"))
- allow_proxy_certs = 1;
purpose = ctx->param->purpose;
}
* the next certificate must be a CA certificate.
*/
if (x->ex_flags & EXFLAG_PROXY) {
- if (x->ex_pcpathlen != -1 && i > x->ex_pcpathlen) {
- if (!verify_cb_cert(ctx, x, i,
- X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED))
- return 0;
+ /*
+ * RFC3820, 4.1.3 (b)(1) stipulates that if pCPathLengthConstraint
+ * is less than max_path_length, the former should be copied to
+ * the latter, and 4.1.4 (a) stipulates that max_path_length
+ * should be verified to be larger than zero and decrement it.
+ *
+ * Because we're checking the certs in the reverse order, we start
+ * with verifying that proxy_path_length isn't larger than pcPLC,
+ * and copy the latter to the former if it is, and finally,
+ * increment proxy_path_length.
+ */
+ if (x->ex_pcpathlen != -1) {
+ if (proxy_path_length > x->ex_pcpathlen) {
+ if (!verify_cb_cert(ctx, x, i,
+ X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED))
+ return 0;
+ }
+ proxy_path_length = x->ex_pcpathlen;
}
proxy_path_length++;
must_be_ca = 0;
/* Ignore self issued certs unless last in chain */
if (i && (x->ex_flags & EXFLAG_SI))
continue;
+
+ /*
+ * Proxy certificates policy has an extra constraint, where the
+ * certificate subject MUST be the issuer with a single CN entry
+ * added.
+ * (RFC 3820: 3.4, 4.1.3 (a)(4))
+ */
+ if (x->ex_flags & EXFLAG_PROXY) {
+ X509_NAME *tmpsubject = X509_get_subject_name(x);
+ X509_NAME *tmpissuer = X509_get_issuer_name(x);
+ X509_NAME_ENTRY *tmpentry = NULL;
+ int last_object_nid = 0;
+ int err = X509_V_OK;
+ int last_object_loc = X509_NAME_entry_count(tmpsubject) - 1;
+
+ /* Check that there are at least two RDNs */
+ if (last_object_loc < 1) {
+ err = X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION;
+ goto proxy_name_done;
+ }
+
+ /*
+ * Check that there is exactly one more RDN in subject as
+ * there is in issuer.
+ */
+ if (X509_NAME_entry_count(tmpsubject)
+ != X509_NAME_entry_count(tmpissuer) + 1) {
+ err = X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION;
+ goto proxy_name_done;
+ }
+
+ /*
+ * Check that the last subject component isn't part of a
+ * multivalued RDN
+ */
+ if (X509_NAME_ENTRY_set(X509_NAME_get_entry(tmpsubject,
+ last_object_loc))
+ == X509_NAME_ENTRY_set(X509_NAME_get_entry(tmpsubject,
+ last_object_loc - 1))) {
+ err = X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION;
+ goto proxy_name_done;
+ }
+
+ /*
+ * Check that the last subject RDN is a commonName, and that
+ * all the previous RDNs match the issuer exactly
+ */
+ tmpsubject = X509_NAME_dup(tmpsubject);
+ if (tmpsubject == NULL) {
+ X509err(X509_F_CHECK_NAME_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
+ return 0;
+ }
+
+ tmpentry =
+ X509_NAME_delete_entry(tmpsubject, last_object_loc);
+ last_object_nid =
+ OBJ_obj2nid(X509_NAME_ENTRY_get_object(tmpentry));
+
+ if (last_object_nid != NID_commonName
+ || X509_NAME_cmp(tmpsubject, tmpissuer) != 0) {
+ err = X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION;
+ }
+
+ X509_NAME_ENTRY_free(tmpentry);
+ X509_NAME_free(tmpsubject);
+
+ proxy_name_done:
+ if (err != X509_V_OK
+ && !verify_cb_cert(ctx, x, i, err))
+ return 0;
+ }
+
/*
* Check against constraints for all certificates higher in chain
* including trust anchor. Trust anchor not strictly speaking needed
if (nc) {
int rv = NAME_CONSTRAINTS_check(x, nc);
- if (rv != X509_V_OK && !verify_cb_cert(ctx, x, i, rv))
+ /* If EE certificate check commonName too */
+ if (rv == X509_V_OK && i == 0)
+ rv = NAME_CONSTRAINTS_check_CN(x, nc);
+
+ switch (rv) {
+ case X509_V_OK:
+ break;
+ case X509_V_ERR_OUT_OF_MEM:
return 0;
+ default:
+ if (!verify_cb_cert(ctx, x, i, rv))
+ return 0;
+ break;
+ }
}
}
}
ctx->current_crl_score = 0;
ctx->current_reasons = 0;
+ if (x->ex_flags & EXFLAG_PROXY)
+ return 1;
+
while (ctx->current_reasons != CRLDP_ALL_REASONS) {
unsigned int last_reasons = ctx->current_reasons;
crl = NULL;
dcrl = NULL;
/*
- * If reasons not updated we wont get anywhere by another iteration,
+ * If reasons not updated we won't get anywhere by another iteration,
* so exit loop.
*/
if (last_reasons == ctx->current_reasons) {
else
ptime = NULL;
- i = X509_cmp_time(X509_CRL_get_lastUpdate(crl), ptime);
+ i = X509_cmp_time(X509_CRL_get0_lastUpdate(crl), ptime);
if (i == 0) {
if (!notify)
return 0;
return 0;
}
- if (X509_CRL_get_nextUpdate(crl)) {
- i = X509_cmp_time(X509_CRL_get_nextUpdate(crl), ptime);
+ if (X509_CRL_get0_nextUpdate(crl)) {
+ i = X509_cmp_time(X509_CRL_get0_nextUpdate(crl), ptime);
if (i == 0) {
if (!notify)
crl = sk_X509_CRL_value(crls, i);
reasons = *preasons;
crl_score = get_crl_score(ctx, &crl_issuer, &reasons, crl, x);
-
- if (crl_score > best_score) {
- best_crl = crl;
- best_crl_issuer = crl_issuer;
- best_score = crl_score;
- best_reasons = reasons;
+ if (crl_score < best_score || crl_score == 0)
+ continue;
+ /* If current CRL is equivalent use it if it is newer */
+ if (crl_score == best_score && best_crl != NULL) {
+ int day, sec;
+ if (ASN1_TIME_diff(&day, &sec, X509_CRL_get0_lastUpdate(best_crl),
+ X509_CRL_get0_lastUpdate(crl)) == 0)
+ continue;
+ /*
+ * ASN1_TIME_diff never returns inconsistent signs for |day|
+ * and |sec|.
+ */
+ if (day <= 0 && sec <= 0)
+ continue;
}
+ best_crl = crl;
+ best_crl_issuer = crl_issuer;
+ best_score = crl_score;
+ best_reasons = reasons;
}
if (best_crl) {
*/
if (ctx->bare_ta_signed && !sk_X509_push(ctx->chain, NULL)) {
X509err(X509_F_CHECK_POLICY, ERR_R_MALLOC_FAILURE);
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
return 0;
}
ret = X509_policy_check(&ctx->tree, &ctx->explicit_policy, ctx->chain,
if (ret == X509_PCY_TREE_INTERNAL) {
X509err(X509_F_CHECK_POLICY, ERR_R_MALLOC_FAILURE);
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
return 0;
}
/* Invalid or inconsistent extensions */
if (ctx->param->flags & X509_V_FLAG_NOTIFY_POLICY) {
ctx->current_cert = NULL;
- ctx->error = X509_V_OK;
+ /*
+ * Verification errors need to be "sticky", a callback may have allowed
+ * an SSL handshake to continue despite an error, and we must then
+ * remain in an error state. Therefore, we MUST NOT clear earlier
+ * verification errors by setting the error to X509_V_OK.
+ */
if (!ctx->verify_cb(2, ctx))
return 0;
}
else
ptime = NULL;
- i = X509_cmp_time(X509_get_notBefore(x), ptime);
+ i = X509_cmp_time(X509_get0_notBefore(x), ptime);
if (i >= 0 && depth < 0)
return 0;
if (i == 0 && !verify_cb_cert(ctx, x, depth,
if (i > 0 && !verify_cb_cert(ctx, x, depth, X509_V_ERR_CERT_NOT_YET_VALID))
return 0;
- i = X509_cmp_time(X509_get_notAfter(x), ptime);
+ i = X509_cmp_time(X509_get0_notAfter(x), ptime);
if (i <= 0 && depth < 0)
return 0;
if (i == 0 && !verify_cb_cert(ctx, x, depth,
int X509_cmp_time(const ASN1_TIME *ctm, time_t *cmp_time)
{
- char *str;
- ASN1_TIME atm;
- long offset;
- char buff1[24], buff2[24], *p;
- int i, j, remaining;
+ static const size_t utctime_length = sizeof("YYMMDDHHMMSSZ") - 1;
+ static const size_t generalizedtime_length = sizeof("YYYYMMDDHHMMSSZ") - 1;
+ ASN1_TIME *asn1_cmp_time = NULL;
+ int i, day, sec, ret = 0;
- p = buff1;
- remaining = ctm->length;
- str = (char *)ctm->data;
/*
- * Note that the following (historical) code allows much more slack in the
- * time format than RFC5280. In RFC5280, the representation is fixed:
+ * Note that ASN.1 allows much more slack in the time format than RFC5280.
+ * In RFC5280, the representation is fixed:
* UTCTime: YYMMDDHHMMSSZ
* GeneralizedTime: YYYYMMDDHHMMSSZ
+ *
+ * We do NOT currently enforce the following RFC 5280 requirement:
+ * "CAs conforming to this profile MUST always encode certificate
+ * validity dates through the year 2049 as UTCTime; certificate validity
+ * dates in 2050 or later MUST be encoded as GeneralizedTime."
*/
- if (ctm->type == V_ASN1_UTCTIME) {
- /* YYMMDDHHMM[SS]Z or YYMMDDHHMM[SS](+-)hhmm */
- int min_length = sizeof("YYMMDDHHMMZ") - 1;
- int max_length = sizeof("YYMMDDHHMMSS+hhmm") - 1;
- if (remaining < min_length || remaining > max_length)
+ switch (ctm->type) {
+ case V_ASN1_UTCTIME:
+ if (ctm->length != (int)(utctime_length))
return 0;
- memcpy(p, str, 10);
- p += 10;
- str += 10;
- remaining -= 10;
- } else {
- /* YYYYMMDDHHMM[SS[.fff]]Z or YYYYMMDDHHMM[SS[.f[f[f]]]](+-)hhmm */
- int min_length = sizeof("YYYYMMDDHHMMZ") - 1;
- int max_length = sizeof("YYYYMMDDHHMMSS.fff+hhmm") - 1;
- if (remaining < min_length || remaining > max_length)
+ break;
+ case V_ASN1_GENERALIZEDTIME:
+ if (ctm->length != (int)(generalizedtime_length))
return 0;
- memcpy(p, str, 12);
- p += 12;
- str += 12;
- remaining -= 12;
+ break;
+ default:
+ return 0;
}
- if ((*str == 'Z') || (*str == '-') || (*str == '+')) {
- *(p++) = '0';
- *(p++) = '0';
- } else {
- /* SS (seconds) */
- if (remaining < 2)
+ /**
+ * Verify the format: the ASN.1 functions we use below allow a more
+ * flexible format than what's mandated by RFC 5280.
+ * Digit and date ranges will be verified in the conversion methods.
+ */
+ for (i = 0; i < ctm->length - 1; i++) {
+ if (!isdigit(ctm->data[i]))
return 0;
- *(p++) = *(str++);
- *(p++) = *(str++);
- remaining -= 2;
- /*
- * Skip any (up to three) fractional seconds...
- * TODO(emilia): in RFC5280, fractional seconds are forbidden.
- * Can we just kill them altogether?
- */
- if (remaining && *str == '.') {
- str++;
- remaining--;
- for (i = 0; i < 3 && remaining; i++, str++, remaining--) {
- if (*str < '0' || *str > '9')
- break;
- }
- }
-
}
- *(p++) = 'Z';
- *(p++) = '\0';
-
- /* We now need either a terminating 'Z' or an offset. */
- if (!remaining)
+ if (ctm->data[ctm->length - 1] != 'Z')
return 0;
- if (*str == 'Z') {
- if (remaining != 1)
- return 0;
- offset = 0;
- } else {
- /* (+-)HHMM */
- if ((*str != '+') && (*str != '-'))
- return 0;
- /* Historical behaviour: the (+-)hhmm offset is forbidden in RFC5280. */
- if (remaining != 5)
- return 0;
- if (str[1] < '0' || str[1] > '9' || str[2] < '0' || str[2] > '9' ||
- str[3] < '0' || str[3] > '9' || str[4] < '0' || str[4] > '9')
- return 0;
- offset = ((str[1] - '0') * 10 + (str[2] - '0')) * 60;
- offset += (str[3] - '0') * 10 + (str[4] - '0');
- if (*str == '-')
- offset = -offset;
- }
- atm.type = ctm->type;
- atm.flags = 0;
- atm.length = sizeof(buff2);
- atm.data = (unsigned char *)buff2;
- if (X509_time_adj(&atm, offset * 60, cmp_time) == NULL)
- return 0;
+ /*
+ * There is ASN1_UTCTIME_cmp_time_t but no
+ * ASN1_GENERALIZEDTIME_cmp_time_t or ASN1_TIME_cmp_time_t,
+ * so we go through ASN.1
+ */
+ asn1_cmp_time = X509_time_adj(NULL, 0, cmp_time);
+ if (asn1_cmp_time == NULL)
+ goto err;
+ if (!ASN1_TIME_diff(&day, &sec, ctm, asn1_cmp_time))
+ goto err;
- if (ctm->type == V_ASN1_UTCTIME) {
- i = (buff1[0] - '0') * 10 + (buff1[1] - '0');
- if (i < 50)
- i += 100; /* cf. RFC 2459 */
- j = (buff2[0] - '0') * 10 + (buff2[1] - '0');
- if (j < 50)
- j += 100;
-
- if (i < j)
- return -1;
- if (i > j)
- return 1;
- }
- i = strcmp(buff1, buff2);
- if (i == 0) /* wait a second then return younger :-) */
- return -1;
- else
- return i;
+ /*
+ * X509_cmp_time comparison is <=.
+ * The return value 0 is reserved for errors.
+ */
+ ret = (day >= 0 && sec >= 0) ? -1 : 1;
+
+ err:
+ ASN1_TIME_free(asn1_cmp_time);
+ return ret;
}
ASN1_TIME *X509_gmtime_adj(ASN1_TIME *s, long adj)
if (!X509_CRL_set_issuer_name(crl, X509_CRL_get_issuer(newer)))
goto memerr;
- if (!X509_CRL_set_lastUpdate(crl, X509_CRL_get_lastUpdate(newer)))
+ if (!X509_CRL_set1_lastUpdate(crl, X509_CRL_get0_lastUpdate(newer)))
goto memerr;
- if (!X509_CRL_set_nextUpdate(crl, X509_CRL_get_nextUpdate(newer)))
+ if (!X509_CRL_set1_nextUpdate(crl, X509_CRL_get0_nextUpdate(newer)))
goto memerr;
/* Set base CRL number: must be critical */
return ctx->current_cert;
}
+void X509_STORE_CTX_set_current_cert(X509_STORE_CTX *ctx, X509 *x)
+{
+ ctx->current_cert = x;
+}
+
STACK_OF(X509) *X509_STORE_CTX_get0_chain(X509_STORE_CTX *ctx)
{
return ctx->chain;
int ret = 1;
ctx->ctx = store;
- ctx->current_method = 0;
ctx->cert = x509;
ctx->untrusted = chain;
ctx->crls = NULL;
/* Zero ex_data to make sure we're cleanup-safe */
memset(&ctx->ex_data, 0, sizeof(ctx->ex_data));
- if (store) {
- ctx->verify_cb = store->verify_cb;
- /* Seems to always be 0 in OpenSSL, else must be idempotent */
+ /* store->cleanup is always 0 in OpenSSL, if set must be idempotent */
+ if (store)
ctx->cleanup = store->cleanup;
- } else
+ else
ctx->cleanup = 0;
if (store && store->check_issued)
else
ctx->cert_crl = cert_crl;
+ if (store && store->check_policy)
+ ctx->check_policy = store->check_policy;
+ else
+ ctx->check_policy = check_policy;
+
if (store && store->lookup_certs)
ctx->lookup_certs = store->lookup_certs;
else
- ctx->lookup_certs = X509_STORE_get1_certs;
+ ctx->lookup_certs = X509_STORE_CTX_get1_certs;
if (store && store->lookup_crls)
ctx->lookup_crls = store->lookup_crls;
else
- ctx->lookup_crls = X509_STORE_get1_crls;
-
- ctx->check_policy = check_policy;
+ ctx->lookup_crls = X509_STORE_CTX_get1_crls;
ctx->param = X509_VERIFY_PARAM_new();
if (ctx->param == NULL) {
X509_VERIFY_PARAM_set_time(ctx->param, t);
}
-void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
- X509_STORE_CTX_verify_cb verify_cb)
-{
- ctx->verify_cb = verify_cb;
-}
-
-X509_STORE_CTX_verify_cb X509_STORE_CTX_get_verify_cb(X509_STORE_CTX *ctx)
-{
- return ctx->verify_cb;
-}
-
X509 *X509_STORE_CTX_get0_cert(X509_STORE_CTX *ctx)
{
return ctx->cert;
ctx->chain = sk;
}
+void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
+ X509_STORE_CTX_verify_cb verify_cb)
+{
+ ctx->verify_cb = verify_cb;
+}
+
+X509_STORE_CTX_verify_cb X509_STORE_CTX_get_verify_cb(X509_STORE_CTX *ctx)
+{
+ return ctx->verify_cb;
+}
+
void X509_STORE_CTX_set_verify(X509_STORE_CTX *ctx,
- X509_STORE_CTX_verify verify)
+ X509_STORE_CTX_verify_fn verify)
{
ctx->verify = verify;
}
-X509_STORE_CTX_verify X509_STORE_CTX_get_verify(X509_STORE_CTX *ctx)
+X509_STORE_CTX_verify_fn X509_STORE_CTX_get_verify(X509_STORE_CTX *ctx)
{
return ctx->verify;
}
+X509_STORE_CTX_get_issuer_fn X509_STORE_CTX_get_get_issuer(X509_STORE_CTX *ctx)
+{
+ return ctx->get_issuer;
+}
+
+X509_STORE_CTX_check_issued_fn X509_STORE_CTX_get_check_issued(X509_STORE_CTX *ctx)
+{
+ return ctx->check_issued;
+}
+
+X509_STORE_CTX_check_revocation_fn X509_STORE_CTX_get_check_revocation(X509_STORE_CTX *ctx)
+{
+ return ctx->check_revocation;
+}
+
+X509_STORE_CTX_get_crl_fn X509_STORE_CTX_get_get_crl(X509_STORE_CTX *ctx)
+{
+ return ctx->get_crl;
+}
+
+X509_STORE_CTX_check_crl_fn X509_STORE_CTX_get_check_crl(X509_STORE_CTX *ctx)
+{
+ return ctx->check_crl;
+}
+
+X509_STORE_CTX_cert_crl_fn X509_STORE_CTX_get_cert_crl(X509_STORE_CTX *ctx)
+{
+ return ctx->cert_crl;
+}
+
+X509_STORE_CTX_check_policy_fn X509_STORE_CTX_get_check_policy(X509_STORE_CTX *ctx)
+{
+ return ctx->check_policy;
+}
+
+X509_STORE_CTX_lookup_certs_fn X509_STORE_CTX_get_lookup_certs(X509_STORE_CTX *ctx)
+{
+ return ctx->lookup_certs;
+}
+
+X509_STORE_CTX_lookup_crls_fn X509_STORE_CTX_get_lookup_crls(X509_STORE_CTX *ctx)
+{
+ return ctx->lookup_crls;
+}
+
+X509_STORE_CTX_cleanup_fn X509_STORE_CTX_get_cleanup(X509_STORE_CTX *ctx)
+{
+ return ctx->cleanup;
+}
+
X509_POLICY_TREE *X509_STORE_CTX_get0_policy_tree(X509_STORE_CTX *ctx)
{
return ctx->tree;
/*
* If we've previously matched a PKIX-?? record, no need to test any
- * further PKIX-?? records, it remains to just build the PKIX chain.
+ * further PKIX-?? records, it remains to just build the PKIX chain.
* Had the match been a DANE-?? record, we'd be done already.
*/
if (dane->mdpth >= 0)
cmplen = i2dlen;
if (md != NULL) {
- cmpbuf = mdbuf;
- if (!EVP_Digest(i2dbuf, i2dlen, cmpbuf, &cmplen, md, 0)) {
- matched = -1;
+ cmpbuf = mdbuf;
+ if (!EVP_Digest(i2dbuf, i2dlen, cmpbuf, &cmplen, md, 0)) {
+ matched = -1;
break;
}
}
/* Callback invoked as needed */
if (!check_leaf_suiteb(ctx, cert))
return 0;
+ /* Callback invoked as needed */
+ if ((dane->flags & DANE_FLAG_NO_DANE_EE_NAMECHECKS) == 0 &&
+ !check_id(ctx))
+ return 0;
/* Bypass internal_verify(), issue depth 0 success callback */
ctx->error_depth = 0;
ctx->current_cert = cert;
*/
if (ctx->untrusted && (sktmp = sk_X509_dup(ctx->untrusted)) == NULL) {
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
return 0;
}
- /* Include any untrusted full certificates from DNS */
+ /*
+ * If we got any "DANE-TA(2) Cert(0) Full(0)" trust-anchors from DNS, add
+ * them to our working copy of the untrusted certificate stack. Since the
+ * caller of X509_STORE_CTX_init() may have provided only a leaf cert with
+ * no corresponding stack of untrusted certificates, we may need to create
+ * an empty stack first. [ At present only the ssl library provides DANE
+ * support, and ssl_verify_cert_chain() always provides a non-null stack
+ * containing at least the leaf certificate, but we must be prepared for
+ * this to change. ]
+ */
if (DANETLS_ENABLED(dane) && dane->certs != NULL) {
+ if (sktmp == NULL && (sktmp = sk_X509_new_null()) == NULL) {
+ X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
+ return 0;
+ }
for (i = 0; i < sk_X509_num(dane->certs); ++i) {
if (!sk_X509_push(sktmp, sk_X509_value(dane->certs, i))) {
sk_X509_free(sktmp);
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
return 0;
}
}
if (ok < 0) {
trust = X509_TRUST_REJECTED;
+ ctx->error = X509_V_ERR_STORE_LOOKUP;
search = 0;
continue;
}
X509_free(xtmp);
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
trust = X509_TRUST_REJECTED;
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
search = 0;
continue;
}
if (!sk_X509_push(ctx->chain, xtmp)) {
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
trust = X509_TRUST_REJECTED;
+ ctx->error = X509_V_ERR_OUT_OF_MEM;
search = 0;
continue;
}
*/
static int check_sig_level(X509_STORE_CTX *ctx, X509 *cert)
{
- int nid = X509_get_signature_nid(cert);
- int mdnid = NID_undef;
int secbits = -1;
int level = ctx->param->auth_level;
if (level > NUM_AUTH_LEVELS)
level = NUM_AUTH_LEVELS;
- /* Lookup signature algorithm digest */
- if (nid && OBJ_find_sigid_algs(nid, &mdnid, NULL)) {
- const EVP_MD *md;
-
- /* Assume 4 bits of collision resistance for each hash octet */
- if (mdnid != NID_undef && (md = EVP_get_digestbynid(mdnid)) != NULL)
- secbits = EVP_MD_size(md) * 4;
- }
+ if (!X509_get_signature_info(cert, NULL, NULL, &secbits, NULL))
+ return 0;
return secbits >= minbits_table[level - 1];
}
projects / openssl.git / blobdiff