#include <stdio.h>
#include "cryptlib.h"
-#include "asn1_locl.h"
#include <openssl/asn1t.h>
+#include "asn1_locl.h"
#include <openssl/x509.h>
#include <openssl/x509v3.h>
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.
* would affect the output of X509_CRL_print().
*/
case ASN1_OP_D2I_POST:
- sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_cmp);
+ (void)sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_cmp);
break;
}
return 1;
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 (ext->critical > 0)
+ {
+ if (OBJ_obj2nid(ext->object) ==
+ 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.
*/
crl->akid = NULL;
crl->flags = 0;
crl->idp_flags = 0;
- crl->meth = 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:
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.
for (idx = 0; idx < sk_X509_EXTENSION_num(exts); idx++)
{
+ int nid;
ext = sk_X509_EXTENSION_value(exts, idx);
+ nid = OBJ_obj2nid(ext->object);
+ if (nid == NID_freshest_crl)
+ crl->flags |= EXFLAG_FRESHEST;
if (ext->critical > 0)
{
- /* We handle IDP now so permit it */
- if (OBJ_obj2nid(ext->object) ==
- NID_issuing_distribution_point)
- continue;
+ /* 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->meth && crl->meth->crl_init)
- return crl->meth->crl_init(crl);
+
+
+ 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->meth->crl_free)
- return crl->meth->crl_free(crl);
+ if (crl->meth->crl_free)
+ {
+ if (!crl->meth->crl_free(crl))
+ return 0;
+ }
if (crl->akid)
AUTHORITY_KEYID_free(crl->akid);
if (crl->idp)
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;
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_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)
int X509_CRL_verify(X509_CRL *crl, EVP_PKEY *r)
{
- if (crl->meth && crl->meth->crl_verify)
+ if (crl->meth->crl_verify)
return crl->meth->crl_verify(crl, r);
- return(ASN1_item_verify(ASN1_ITEM_rptr(X509_CRL_INFO),
- crl->sig_alg, crl->signature,crl->crl,r));
+ return 0;
}
int X509_CRL_get0_by_serial(X509_CRL *crl,
X509_REVOKED **ret, ASN1_INTEGER *serial)
{
- X509_REVOKED rtmp;
+ 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;
- if (crl->meth && crl->meth->crl_lookup)
- return crl->meth->crl_lookup(crl, ret, serial);
rtmp.serialNumber = serial;
/* Sort revoked into serial number order if not already sorted.
* Do this under a lock to avoid race condition.
CRYPTO_w_unlock(CRYPTO_LOCK_X509_CRL);
}
idx = sk_X509_REVOKED_find(crl->crl->revoked, &rtmp);
- /* If found assume revoked: want something cleverer than
- * this to handle entry extensions in V2 CRLs.
- */
- if(idx >= 0)
+ if(idx < 0)
+ return 0;
+ /* Need to look for matching name */
+ for(;idx < sk_X509_REVOKED_num(crl->crl->revoked); idx++)
{
- if (ret)
- *ret = sk_X509_REVOKED_value(crl->crl->revoked, idx);
- return 1;
+ 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(X509_CRL_METHOD));
+ 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;
+ }
+
IMPLEMENT_STACK_OF(X509_REVOKED)
IMPLEMENT_ASN1_SET_OF(X509_REVOKED)
IMPLEMENT_STACK_OF(X509_CRL)
projects / openssl.git / blobdiff