" -issuer - print issuer DN\n",
" -startdate - notBefore field\n",
" -enddate - notAfter field\n",
+" -purpose - print out certificate purposes\n",
" -dates - both Before and After dates\n",
" -modulus - print the RSA key modulus\n",
" -fingerprint - print the certificate fingerprint\n",
static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
int create,int days, LHASH *conf, char *section);
+static int efunc(X509_PURPOSE *pt, void *arg);
static int reqfile=0;
+typedef struct {
+BIO *bio;
+X509 *cert;
+} X509_PPRINT;
+
int MAIN(int argc, char **argv)
{
int ret=1;
int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
int C=0;
int x509req=0,days=DEF_DAYS,modulus=0;
+ int pprint = 0;
char **pp;
X509_STORE *ctx=NULL;
X509_REQ *rq=NULL;
startdate= ++num;
enddate= ++num;
}
+ else if (strcmp(*argv,"-purpose") == 0)
+ pprint= ++num;
else if (strcmp(*argv,"-startdate") == 0)
startdate= ++num;
else if (strcmp(*argv,"-enddate") == 0)
ERR_load_crypto_strings();
X509V3_add_standard_extensions();
+ X509_PURPOSE_add_standard();
if (!X509_STORE_set_default_paths(ctx))
{
{
BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
}
+ else if (pprint == i)
+ {
+ X509_PPRINT ptmp;
+ ptmp.bio = STDout;
+ ptmp.cert = x;
+ BIO_printf(STDout, "Certificate purposes:\n");
+ X509_PURPOSE_enum(efunc, &ptmp);
+ }
else
if (modulus == i)
{
ERR_print_errors(bio_err);
return(0);
}
+
+static int efunc(X509_PURPOSE *pt, void *arg)
+{
+ X509_PPRINT *ptmp;
+ int id, i, idret;
+ char *pname;
+ ptmp = arg;
+ id = X509_PURPOSE_get_id(pt);
+ pname = X509_PURPOSE_get_name(pt);
+ for(i = 0; i < 2; i++) {
+ idret = X509_check_purpose(ptmp->cert, id, i);
+ BIO_printf(ptmp->bio, "%s%s : ", pname, i ? " CA" : "");
+ if(idret == 1) BIO_printf(ptmp->bio, "Yes\n");
+ else if (idret == 0) BIO_printf(ptmp->bio, "No\n");
+ else BIO_printf(ptmp->bio, "Yes (WARNING code=%d)\n", idret);
+ }
+ return 1;
+}
+
+
+
--- /dev/null
+/* v3_purp.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/x509v3.h>
+
+
+static int x509_purpose_get_idx(int id);
+void x509v3_cache_extensions(X509 *x);
+
+static int ca_check(X509 *x);
+static int check_purpose_ssl_client(X509_PURPOSE *xp, X509 *x, int ca);
+static int check_purpose_ssl_server(X509_PURPOSE *xp, X509 *x, int ca);
+static int check_purpose_ns_ssl_server(X509_PURPOSE *xp, X509 *x, int ca);
+static int purpose_smime(X509 *x, int ca);
+static int check_purpose_smime_sign(X509_PURPOSE *xp, X509 *x, int ca);
+static int check_purpose_smime_encrypt(X509_PURPOSE *xp, X509 *x, int ca);
+static int check_purpose_crl_sign(X509_PURPOSE *xp, X509 *x, int ca);
+
+static int xp_cmp(X509_PURPOSE **a, X509_PURPOSE **b);
+
+static X509_PURPOSE xstandard[] = {
+{1, check_purpose_ssl_client, "SSL client", NULL},
+{2, check_purpose_ssl_server, "SSL server", NULL},
+{3, check_purpose_ns_ssl_server, "Netscape SSL server", NULL},
+{4, check_purpose_smime_sign, "S/MIME signing", NULL},
+{5, check_purpose_smime_encrypt, "S/MIME encryption", NULL},
+{6, check_purpose_crl_sign, "CRL signing", NULL},
+{-1, NULL, NULL, NULL}
+};
+
+IMPLEMENT_STACK_OF(X509_PURPOSE)
+
+static STACK_OF(X509_PURPOSE) *xptable;
+
+static int xp_cmp(X509_PURPOSE **a, X509_PURPOSE **b)
+{
+ return (*a)->purpose_id - (*b)->purpose_id;
+}
+
+int X509_check_purpose(X509 *x, int id, int ca)
+{
+ int idx;
+ X509_PURPOSE *pt;
+ if(!(x->ex_flags & EXFLAG_SET)) {
+ CRYPTO_w_lock(CRYPTO_LOCK_X509);
+ x509v3_cache_extensions(x);
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509);
+ }
+ idx = x509_purpose_get_idx(id);
+ if(idx == -1) return -1;
+ pt = sk_X509_PURPOSE_value(xptable, idx);
+ return pt->check_purpose(pt, x,ca);
+}
+
+
+
+
+static int x509_purpose_get_idx(int id)
+{
+ X509_PURPOSE tmp;
+ tmp.purpose_id = id;
+ if(!xptable) return -1;
+ return sk_X509_PURPOSE_find(xptable, &tmp);
+}
+
+int X509_PURPOSE_add(X509_PURPOSE *xp)
+{
+ int idx;
+ if(!xptable) xptable = sk_X509_PURPOSE_new(xp_cmp);
+ idx = x509_purpose_get_idx(xp->purpose_id);
+ if(idx != -1) sk_X509_PURPOSE_set(xptable, idx, xp);
+ else sk_X509_PURPOSE_push(xptable, xp);
+ return 1;
+}
+
+void X509_PURPOSE_add_standard(void)
+{
+ X509_PURPOSE *xp;
+ for(xp = xstandard; xp->purpose_name; xp++)
+ X509_PURPOSE_add(xp);
+}
+
+int X509_PURPOSE_enum(int (*efunc)(X509_PURPOSE *, void *), void *usr)
+{
+ int i;
+ X509_PURPOSE *xp;
+ if(!xptable) return 0;
+ for(i = 0; i < sk_X509_PURPOSE_num(xptable); i++) {
+ xp = sk_X509_PURPOSE_value(xptable, i);
+ if(!efunc(xp, usr)) return i;
+ }
+ return i;
+}
+
+
+int X509_PURPOSE_get_id(X509_PURPOSE *xp)
+{
+ return xp->purpose_id;
+}
+
+char *X509_PURPOSE_get_name(X509_PURPOSE *xp)
+{
+ return xp->purpose_name;
+}
+
+void x509v3_cache_extensions(X509 *x)
+{
+ BASIC_CONSTRAINTS *bs;
+ ASN1_BIT_STRING *usage;
+ ASN1_BIT_STRING *ns;
+ STACK_OF(ASN1_OBJECT) *extusage;
+ int i;
+ if(x->ex_flags & EXFLAG_SET) return;
+ /* Does subject name match issuer ? */
+ if(X509_NAME_cmp(X509_get_subject_name(x), X509_get_issuer_name(x)))
+ x->ex_flags |= EXFLAG_SS;
+ /* V1 should mean no extensions ... */
+ if(!X509_get_version(x)) x->ex_flags |= EXFLAG_V1;
+ /* Handle basic constraints */
+ if((bs=X509V3_X509_get_d2i(x, NID_basic_constraints, NULL, NULL))) {
+ if(bs->ca) x->ex_flags |= EXFLAG_CA;
+ if(bs->pathlen) {
+ if((bs->pathlen->type == V_ASN1_NEG_INTEGER)
+ || !bs->ca) {
+ x->ex_flags |= EXFLAG_INVALID;
+ x->ex_pathlen = 0;
+ } else x->ex_pathlen = ASN1_INTEGER_get(bs->pathlen);
+ } else x->ex_pathlen = -1;
+ BASIC_CONSTRAINTS_free(bs);
+ x->ex_flags |= EXFLAG_BCONS;
+ }
+ /* Handle key usage */
+ if((usage=X509V3_X509_get_d2i(x, NID_key_usage, NULL, NULL))) {
+ if(usage->length > 0) {
+ x->ex_kusage = usage->data[0];
+ if(usage->length > 1)
+ x->ex_kusage |= usage->data[1] << 8;
+ } else x->ex_kusage = 0;
+ x->ex_flags |= EXFLAG_KUSAGE;
+ ASN1_BIT_STRING_free(usage);
+ }
+ x->ex_xkusage = 0;
+ if((extusage=X509V3_X509_get_d2i(x, NID_ext_key_usage, NULL, NULL))) {
+ x->ex_flags |= EXFLAG_XKUSAGE;
+ for(i = 0; i < sk_ASN1_OBJECT_num(extusage); i++) {
+ switch(OBJ_obj2nid(sk_ASN1_OBJECT_value(extusage,i))) {
+ case NID_server_auth:
+ x->ex_xkusage |= XKU_SSL_SERVER;
+ break;
+
+ case NID_client_auth:
+ x->ex_xkusage |= XKU_SSL_CLIENT;
+ break;
+
+ case NID_email_protect:
+ x->ex_xkusage |= XKU_SMIME;
+ break;
+
+ case NID_code_sign:
+ x->ex_xkusage |= XKU_CODE_SIGN;
+ break;
+
+ case NID_ms_sgc:
+ case NID_ns_sgc:
+ x->ex_xkusage |= XKU_SGC;
+ }
+ }
+ sk_ASN1_OBJECT_pop_free(extusage, ASN1_OBJECT_free);
+ }
+
+ if((ns=X509V3_X509_get_d2i(x, NID_netscape_cert_type, NULL, NULL))) {
+ if(ns->length > 0) x->ex_nscert = ns->data[0];
+ else x->ex_nscert = 0;
+ x->ex_flags |= EXFLAG_NSCERT;
+ ASN1_BIT_STRING_free(ns);
+ }
+ x->ex_flags |= EXFLAG_SET;
+}
+
+/* CA checks common to all purposes
+ * return codes:
+ * 0 not a CA
+ * 1 is a CA
+ * 2 basicConstraints absent so "maybe" a CA
+ * 3 basicConstraints absent but self signed V1.
+ */
+
+#define V1_ROOT (EXFLAG_V1|EXFLAG_SS)
+#define ku_reject(x, usage) \
+ (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
+#define xku_reject(x, usage) \
+ (((x)->ex_flags & EXFLAG_XKUSAGE) && !((x)->ex_xkusage & (usage)))
+#define ns_reject(x, usage) \
+ (((x)->ex_flags & EXFLAG_NSCERT) && !((x)->ex_nscert & (usage)))
+
+static int ca_check(X509 *x)
+{
+ /* keyUsage if present should allow cert signing */
+ if(ku_reject(x, KU_KEY_CERT_SIGN)) return 0;
+ if(x->ex_flags & EXFLAG_BCONS) {
+ if(x->ex_flags & EXFLAG_CA) return 1;
+ /* If basicConstraints says not a CA then say so */
+ else return 0;
+ } else {
+ if((x->ex_flags & V1_ROOT) == V1_ROOT) return 3;
+ else return 2;
+ }
+}
+
+
+static int check_purpose_ssl_client(X509_PURPOSE *xp, X509 *x, int ca)
+{
+ if(xku_reject(x,XKU_SSL_CLIENT)) return 0;
+ if(ca) {
+ int ca_ret;
+ ca_ret = ca_check(x);
+ if(!ca_ret) return 0;
+ /* check nsCertType if present */
+ if(x->ex_flags & EXFLAG_NSCERT) {
+ if(x->ex_nscert & NS_SSL_CA) return ca_ret;
+ return 0;
+ }
+ if(ca_ret != 2) return ca_ret;
+ else return 0;
+ }
+ /* We need to do digital signatures with it */
+ if(ku_reject(x,KU_DIGITAL_SIGNATURE)) return 0;
+ /* nsCertType if present should allow SSL client use */
+ if(ns_reject(x, NS_SSL_CLIENT)) return 0;
+ return 1;
+}
+
+static int check_purpose_ssl_server(X509_PURPOSE *xp, X509 *x, int ca)
+{
+ if(xku_reject(x,XKU_SSL_SERVER|XKU_SGC)) return 0;
+ /* Otherwise same as SSL client for a CA */
+ if(ca) return check_purpose_ssl_client(xp, x, 1);
+
+ if(ns_reject(x, NS_SSL_SERVER)) return 0;
+ /* Now as for keyUsage: we'll at least need to sign OR encipher */
+ if(ku_reject(x, KU_DIGITAL_SIGNATURE|KU_KEY_ENCIPHERMENT)) return 0;
+
+ return 1;
+
+}
+
+static int check_purpose_ns_ssl_server(X509_PURPOSE *xp, X509 *x, int ca)
+{
+ int ret;
+ ret = check_purpose_ssl_server(xp, x, ca);
+ if(!ret || ca) return ret;
+ /* We need to encipher or Netscape complains */
+ if(ku_reject(x, KU_KEY_ENCIPHERMENT)) return 0;
+ return ret;
+}
+
+/* common S/MIME checks */
+static int purpose_smime(X509 *x, int ca)
+{
+ if(xku_reject(x,XKU_SMIME)) return 0;
+ if(ca) {
+ int ca_ret;
+ ca_ret = ca_check(x);
+ if(!ca_ret) return 0;
+ /* check nsCertType if present */
+ if(x->ex_flags & EXFLAG_NSCERT) {
+ if(x->ex_nscert & NS_SMIME_CA) return ca_ret;
+ return 0;
+ }
+ if(ca_ret != 2) return ca_ret;
+ else return 0;
+ }
+ if(x->ex_flags & EXFLAG_NSCERT) {
+ if(x->ex_nscert & NS_SMIME) return 1;
+ /* Workaround for some buggy certificates */
+ if(x->ex_nscert & NS_SSL_CLIENT) return 2;
+ return 0;
+ }
+ return 1;
+}
+
+static int check_purpose_smime_sign(X509_PURPOSE *xp, X509 *x, int ca)
+{
+ int ret;
+ ret = purpose_smime(x, ca);
+ if(!ret || ca) return ret;
+ if(ku_reject(x, KU_DIGITAL_SIGNATURE)) return 0;
+ return ret;
+}
+
+static int check_purpose_smime_encrypt(X509_PURPOSE *xp, X509 *x, int ca)
+{
+ int ret;
+ ret = purpose_smime(x, ca);
+ if(!ret || ca) return ret;
+ if(ku_reject(x, KU_KEY_ENCIPHERMENT)) return 0;
+ return ret;
+}
+
+static int check_purpose_crl_sign(X509_PURPOSE *xp, X509 *x, int ca)
+{
+ if(ca) {
+ int ca_ret;
+ if((ca_ret = ca_check(x)) != 2) return ca_ret;
+ else return 0;
+ }
+ if(ku_reject(x, KU_CRL_SIGN)) return 0;
+ return 1;
+}
projects / openssl.git / commitdiff