r20640: Commit part 2/2

Update Heimdal to match current lorikeet-heimdal.  This includes
integrated PAC hooks, so Samba doesn't have to handle this any more.

This also brings in the PKINIT code, hence so many new files.

Andrew Bartlett
(This used to be commit 351f7040f7bb73b9a60b22b564686f7c2f98a729)

1 files changed, 697 insertions, 0 deletions

diff --git a/source4/heimdal/lib/hx509/ks_p12.c b/source4/heimdal/lib/hx509/ks_p12.c
new file mode 100644
index 0000000000..69dba802e5
--- /dev/null
+++ b/source4/heimdal/lib/hx509/ks_p12.c
@@ -0,0 +1,697 @@
+/*
+ * Copyright (c) 2004 - 2007 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * 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. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. 
+ */
+
+#include "hx_locl.h"
+RCSID("$Id: ks_p12.c,v 1.18 2007/01/09 10:52:11 lha Exp $");
+
+struct ks_pkcs12 {
+    hx509_certs certs;
+    char *fn;
+};
+
+typedef int (*collector_func)(hx509_context,
+			      struct hx509_collector *,
+			      const void *, size_t,
+			      const PKCS12_Attributes *);
+
+struct type {
+    const heim_oid * (*oid)(void);
+    collector_func func;
+};
+
+static void
+parse_pkcs12_type(hx509_context, struct hx509_collector *, const heim_oid *, 
+		  const void *, size_t, const PKCS12_Attributes *);
+
+
+static const PKCS12_Attribute *
+find_attribute(const PKCS12_Attributes *attrs, const heim_oid *oid)
+{
+    int i;
+    if (attrs == NULL)
+	return NULL;
+    for (i = 0; i < attrs->len; i++)
+	if (der_heim_oid_cmp(oid, &attrs->val[i].attrId) == 0)
+	    return &attrs->val[i];
+    return NULL;
+}
+
+static int
+keyBag_parser(hx509_context context,
+	      struct hx509_collector *c, 
+	      const void *data, size_t length,
+	      const PKCS12_Attributes *attrs)
+{
+    const PKCS12_Attribute *attr;
+    PKCS8PrivateKeyInfo ki;
+    const heim_octet_string *os = NULL;
+    int ret;
+
+    attr = find_attribute(attrs, oid_id_pkcs_9_at_localKeyId());
+    if (attr)
+	os = &attr->attrValues;
+
+    ret = decode_PKCS8PrivateKeyInfo(data, length, &ki, NULL);
+    if (ret)
+	return ret;
+    
+    _hx509_collector_private_key_add(context,
+				     c,
+				     &ki.privateKeyAlgorithm,
+				     NULL,
+				     &ki.privateKey,
+				     &attr->attrValues);
+    free_PKCS8PrivateKeyInfo(&ki);
+    return 0;
+}
+
+static int
+ShroudedKeyBag_parser(hx509_context context,
+		      struct hx509_collector *c, 
+		      const void *data, size_t length,
+		      const PKCS12_Attributes *attrs)
+{
+    PKCS8EncryptedPrivateKeyInfo pk;
+    heim_octet_string content;
+    int ret;
+    
+    memset(&pk, 0, sizeof(pk));
+    
+    ret = decode_PKCS8EncryptedPrivateKeyInfo(data, length, &pk, NULL);
+    if (ret)
+	return ret;
+
+    ret = _hx509_pbe_decrypt(context,
+			     _hx509_collector_get_lock(c),
+			     &pk.encryptionAlgorithm,
+			     &pk.encryptedData,
+			     &content);
+    free_PKCS8EncryptedPrivateKeyInfo(&pk);
+    if (ret)
+	return ret;
+
+    ret = keyBag_parser(context, c, content.data, content.length, attrs);
+    der_free_octet_string(&content);
+    return ret;
+}
+
+static int
+certBag_parser(hx509_context context,
+	       struct hx509_collector *c, 
+	       const void *data, size_t length,
+	       const PKCS12_Attributes *attrs)
+{
+    heim_octet_string os;
+    Certificate t;
+    hx509_cert cert;
+    PKCS12_CertBag cb;
+    int ret;
+
+    ret = decode_PKCS12_CertBag(data, length, &cb, NULL);
+    if (ret)
+	return ret;
+
+    if (der_heim_oid_cmp(oid_id_pkcs_9_at_certTypes_x509(), &cb.certType)) {
+	free_PKCS12_CertBag(&cb);
+	return 0;
+    }
+
+    ret = decode_PKCS12_OctetString(cb.certValue.data, 
+				    cb.certValue.length,
+				    &os,
+				    NULL);
+    free_PKCS12_CertBag(&cb);
+    if (ret)
+	return ret;
+
+    ret = decode_Certificate(os.data, os.length, &t, NULL);
+    der_free_octet_string(&os);
+    if (ret)
+	return ret;
+
+    ret = hx509_cert_init(context, &t, &cert);
+    free_Certificate(&t);
+    if (ret)
+	return ret;
+
+    ret = _hx509_collector_certs_add(context, c, cert);
+    if (ret) {
+	hx509_cert_free(cert);
+	return ret;
+    }
+
+    {
+	const PKCS12_Attribute *attr;
+	const heim_oid * (*oids[])(void) = {
+	    oid_id_pkcs_9_at_localKeyId, oid_id_pkcs_9_at_friendlyName
+	};
+	int i;
+
+	for (i = 0; i < sizeof(oids)/sizeof(oids[0]); i++) {
+	    const heim_oid *oid = (*(oids[i]))();
+	    attr = find_attribute(attrs, oid);
+	    if (attr)
+		_hx509_set_cert_attribute(context, cert, oid,
+					  &attr->attrValues);
+	}	
+    }
+
+    hx509_cert_free(cert);
+
+    return 0;
+}
+
+static int
+parse_safe_content(hx509_context context,
+		   struct hx509_collector *c, 
+		   const unsigned char *p, size_t len)
+{
+    PKCS12_SafeContents sc;
+    int ret, i;
+
+    memset(&sc, 0, sizeof(sc));
+
+    ret = decode_PKCS12_SafeContents(p, len, &sc, NULL);
+    if (ret)
+	return ret;
+
+    for (i = 0; i < sc.len ; i++)
+	parse_pkcs12_type(context,
+			  c,
+			  &sc.val[i].bagId,
+			  sc.val[i].bagValue.data,
+			  sc.val[i].bagValue.length,
+			  sc.val[i].bagAttributes);
+
+    free_PKCS12_SafeContents(&sc);
+    return 0;
+}
+
+static int
+safeContent_parser(hx509_context context,
+		   struct hx509_collector *c, 
+		   const void *data, size_t length,
+		   const PKCS12_Attributes *attrs)
+{
+    heim_octet_string os;
+    int ret;
+
+    ret = decode_PKCS12_OctetString(data, length, &os, NULL);
+    if (ret)
+	return ret;
+    ret = parse_safe_content(context, c, os.data, os.length);
+    der_free_octet_string(&os);
+    return ret;
+}
+
+static int
+encryptedData_parser(hx509_context context,
+		     struct hx509_collector *c,
+		     const void *data, size_t length,
+		     const PKCS12_Attributes *attrs)
+{
+    heim_octet_string content;
+    heim_oid contentType;
+    int ret;
+		
+    memset(&contentType, 0, sizeof(contentType));
+
+    ret = hx509_cms_decrypt_encrypted(context,
+				      _hx509_collector_get_lock(c),
+				      data, length,
+				      &contentType,
+				      &content);
+    if (ret)
+	return ret;
+
+    if (der_heim_oid_cmp(&contentType, oid_id_pkcs7_data()) == 0)
+	ret = parse_safe_content(context, c, content.data, content.length);
+
+    der_free_octet_string(&content);
+    der_free_oid(&contentType);
+    return ret;
+}
+
+static int
+envelopedData_parser(hx509_context context,
+		     struct hx509_collector *c,
+		     const void *data, size_t length,
+		     const PKCS12_Attributes *attrs)
+{
+    heim_octet_string content;
+    heim_oid contentType;
+    hx509_lock lock;
+    int ret;
+		
+    memset(&contentType, 0, sizeof(contentType));
+
+    lock = _hx509_collector_get_lock(c);
+
+    ret = hx509_cms_unenvelope(context,
+			       _hx509_lock_unlock_certs(lock),
+			       0,
+			       data, length,
+			       NULL,
+			       &contentType,
+			       &content);
+    if (ret) {
+	hx509_set_error_string(context, HX509_ERROR_APPEND, ret, 
+			       "PKCS12 failed to unenvelope");
+	return ret;
+    }
+
+    if (der_heim_oid_cmp(&contentType, oid_id_pkcs7_data()) == 0)
+	ret = parse_safe_content(context, c, content.data, content.length);
+
+    der_free_octet_string(&content);
+    der_free_oid(&contentType);
+
+    return ret;
+}
+
+
+struct type bagtypes[] = {
+    { oid_id_pkcs12_keyBag, keyBag_parser },
+    { oid_id_pkcs12_pkcs8ShroudedKeyBag, ShroudedKeyBag_parser },
+    { oid_id_pkcs12_certBag, certBag_parser },
+    { oid_id_pkcs7_data, safeContent_parser },
+    { oid_id_pkcs7_encryptedData, encryptedData_parser },
+    { oid_id_pkcs7_envelopedData, envelopedData_parser }
+};
+
+static void
+parse_pkcs12_type(hx509_context context,
+		  struct hx509_collector *c,
+		  const heim_oid *oid, 
+		  const void *data, size_t length,
+		  const PKCS12_Attributes *attrs)
+{
+    int i;
+
+    for (i = 0; i < sizeof(bagtypes)/sizeof(bagtypes[0]); i++)
+	if (der_heim_oid_cmp((*bagtypes[i].oid)(), oid) == 0)
+	    (*bagtypes[i].func)(context, c, data, length, attrs);
+}
+
+static int
+p12_init(hx509_context context,
+	 hx509_certs certs, void **data, int flags, 
+	 const char *residue, hx509_lock lock)
+{
+    struct ks_pkcs12 *p12;
+    size_t len;
+    void *buf;
+    PKCS12_PFX pfx;
+    PKCS12_AuthenticatedSafe as;
+    int ret, i;
+    struct hx509_collector *c;
+
+    *data = NULL;
+
+    if (lock == NULL)
+	lock = _hx509_empty_lock;
+
+    c = _hx509_collector_alloc(context, lock);
+    if (c == NULL)
+	return ENOMEM;
+
+    p12 = calloc(1, sizeof(*p12));
+    if (p12 == NULL) {
+	ret = ENOMEM;
+	goto out;
+    }
+
+    p12->fn = strdup(residue);
+    if (p12->fn == NULL) {
+	ret = ENOMEM;
+	goto out;
+    }
+
+    if (flags & HX509_CERTS_CREATE) {
+	ret = hx509_certs_init(context, "MEMORY:ks-file-create", 
+			       0, lock, &p12->certs);
+	if (ret)
+	    goto out;
+	*data = p12;
+	return 0;
+    }
+
+    ret = _hx509_map_file(residue, &buf, &len, NULL);
+    if (ret)
+	goto out;
+
+    ret = decode_PKCS12_PFX(buf, len, &pfx, NULL);
+    _hx509_unmap_file(buf, len);
+    if (ret)
+	goto out;
+
+    if (der_heim_oid_cmp(&pfx.authSafe.contentType, oid_id_pkcs7_data()) != 0) {
+	free_PKCS12_PFX(&pfx);
+	ret = EINVAL;
+	hx509_set_error_string(context, 0, ret,
+			       "PKCS PFX isn't a pkcs7-data container");
+	goto out;
+    }
+
+    if (pfx.authSafe.content == NULL) {
+	free_PKCS12_PFX(&pfx);
+	ret = EINVAL;
+	hx509_set_error_string(context, 0, ret,
+			       "PKCS PFX missing data");
+	goto out;
+    }
+
+    {
+	heim_octet_string asdata;
+
+	ret = decode_PKCS12_OctetString(pfx.authSafe.content->data,
+					pfx.authSafe.content->length,
+					&asdata,
+					NULL);
+	free_PKCS12_PFX(&pfx);
+	if (ret) {
+	    hx509_clear_error_string(context);
+	    goto out;
+	}
+	ret = decode_PKCS12_AuthenticatedSafe(asdata.data, 
+					      asdata.length,
+					      &as,
+					      NULL);
+	der_free_octet_string(&asdata);
+	if (ret) {
+	    hx509_clear_error_string(context);
+	    goto out;
+	}
+    }
+
+    for (i = 0; i < as.len; i++)
+	parse_pkcs12_type(context,
+			  c,
+			  &as.val[i].contentType,
+			  as.val[i].content->data,
+			  as.val[i].content->length,
+			  NULL);
+
+    free_PKCS12_AuthenticatedSafe(&as);
+
+    ret = _hx509_collector_collect_certs(context, c, &p12->certs);
+    if (ret == 0)
+	*data = p12;
+
+out:
+    _hx509_collector_free(c);
+
+    if (ret) {
+	if (p12->certs)
+	    hx509_certs_free(&p12->certs);
+	free(p12);
+    }
+
+    return ret;
+}
+
+static int
+addBag(hx509_context context,
+       PKCS12_AuthenticatedSafe *as,
+       const heim_oid *oid,
+       void *data,
+       size_t length)
+{
+    void *ptr;
+    int ret;
+
+    ptr = realloc(as->val, sizeof(as->val[0]) * (as->len + 1));
+    if (ptr == NULL) {
+	hx509_set_error_string(context, 0, ENOMEM, "malloc out of memory");
+	return ENOMEM;
+    }
+    as->val = ptr;
+
+    ret = der_copy_oid(oid, &as->val[as->len].contentType);
+    
+    as->val[as->len].content = calloc(1, sizeof(*as->val[0].content));
+    if (as->val[as->len].content == NULL) {
+	hx509_set_error_string(context, 0, ENOMEM, "malloc out of memory");
+	return ENOMEM;
+    }
+
+    as->val[as->len].content->data = data;
+    as->val[as->len].content->length = length;
+
+    as->len++;
+
+    return 0;
+}
+
+static int
+store_func(hx509_context context, void *ctx, hx509_cert c)
+{
+    PKCS12_AuthenticatedSafe *as = ctx;
+    PKCS12_OctetString os;
+    PKCS12_CertBag cb;
+    size_t size;
+    int ret;
+
+    memset(&os, 0, sizeof(os));
+    memset(&cb, 0, sizeof(cb));
+
+    os.data = NULL;
+    os.length = 0;
+
+    ASN1_MALLOC_ENCODE(Certificate, os.data, os.length, 
+		       _hx509_get_cert(c), &size, ret);
+    if (ret)
+	goto out;
+    ASN1_MALLOC_ENCODE(PKCS12_OctetString, 
+		       cb.certValue.data,cb.certValue.length,
+		       &os, &size, ret);
+    free(os.data);
+    if (ret)
+	goto out;
+    ret = der_copy_oid(oid_id_pkcs_9_at_certTypes_x509(), &cb.certType);
+    if (ret) {
+	free_PKCS12_CertBag(&cb);
+	goto out;
+    }
+    ASN1_MALLOC_ENCODE(PKCS12_CertBag, os.data, os.length,
+		       &cb, &size, ret);
+    free(cb.certValue.data);
+    if (ret)
+	goto out;
+
+    ret = addBag(context, as, oid_id_pkcs12_certBag(), os.data, os.length);
+
+    if (_hx509_cert_private_key_exportable(c)) {
+	hx509_private_key key = _hx509_cert_private_key(c);
+	PKCS8PrivateKeyInfo pki;
+
+	memset(&pki, 0, sizeof(pki));
+
+	ret = der_parse_hex_heim_integer("00", &pki.version);
+	if (ret)
+	    return ret;
+	ret = _hx509_private_key_oid(context, key, 
+				     &pki.privateKeyAlgorithm.algorithm);
+	if (ret) {
+	    free_PKCS8PrivateKeyInfo(&pki);
+	    return ret;
+	}
+	ret = _hx509_private_key_export(context,
+					_hx509_cert_private_key(c),
+					&pki.privateKey);
+	if (ret) {
+	    free_PKCS8PrivateKeyInfo(&pki);
+	    return ret;
+	}
+	/* set attribute, oid_id_pkcs_9_at_localKeyId() */
+
+	ASN1_MALLOC_ENCODE(PKCS8PrivateKeyInfo, os.data, os.length,
+			   &pki, &size, ret);
+	free_PKCS8PrivateKeyInfo(&pki);
+	if (ret)
+	    return ret;
+
+	ret = addBag(context, as, oid_id_pkcs12_keyBag(), os.data, os.length);
+	if (ret)
+	    return ret;
+    }
+
+out:
+    return ret;
+}
+
+static int
+p12_store(hx509_context context, 
+	  hx509_certs certs, void *data, int flags, hx509_lock lock)
+{
+    struct ks_pkcs12 *p12 = data;
+    PKCS12_PFX pfx;
+    PKCS12_AuthenticatedSafe as;
+    PKCS12_OctetString asdata;
+    size_t size;
+    int ret;
+
+    memset(&as, 0, sizeof(as));
+    memset(&pfx, 0, sizeof(pfx));
+
+    ret = hx509_certs_iter(context, p12->certs, store_func, &as);
+    if (ret)
+	goto out;
+
+    ASN1_MALLOC_ENCODE(PKCS12_AuthenticatedSafe, asdata.data, asdata.length,
+		       &as, &size, ret);
+    free_PKCS12_AuthenticatedSafe(&as);
+    if (ret)
+	return ret;
+		       
+    ret = der_parse_hex_heim_integer("03", &pfx.version);
+    if (ret) {
+	free(asdata.data);
+	goto out;
+    }
+
+    pfx.authSafe.content = calloc(1, sizeof(*pfx.authSafe.content));
+
+    ASN1_MALLOC_ENCODE(PKCS12_OctetString, 
+		       pfx.authSafe.content->data,
+		       pfx.authSafe.content->length,
+		       &asdata, &size, ret);
+    free(asdata.data);
+    if (ret)
+	goto out;
+
+    ret = der_copy_oid(oid_id_pkcs7_data(), &pfx.authSafe.contentType);
+    if (ret)
+	goto out;
+
+    ASN1_MALLOC_ENCODE(PKCS12_PFX, asdata.data, asdata.length,
+		       &pfx, &size, ret);
+    if (ret)
+	goto out;
+
+#if 0
+    const struct _hx509_password *pw;
+
+    pw = _hx509_lock_get_passwords(lock);
+    if (pw != NULL) {
+	pfx.macData = calloc(1, sizeof(*pfx.macData));
+	if (pfx.macData == NULL) {
+	    ret = ENOMEM;
+	    hx509_set_error_string(context, 0, ret, "malloc out of memory");
+	    return ret;
+	}
+	if (pfx.macData == NULL) {
+	    free(asdata.data);
+	    goto out;
+	}
+    }
+    ret = calculate_hash(&aspath, pw, pfx.macData);
+#endif
+
+    rk_dumpdata(p12->fn, asdata.data, asdata.length);
+    free(asdata.data);
+
+out:
+    free_PKCS12_AuthenticatedSafe(&as);
+    free_PKCS12_PFX(&pfx);
+
+    return ret;
+}
+
+
+static int
+p12_free(hx509_certs certs, void *data)
+{
+    struct ks_pkcs12 *p12 = data;
+    hx509_certs_free(&p12->certs);
+    free(p12->fn);
+    free(p12);
+    return 0;
+}
+
+static int 
+p12_add(hx509_context context, hx509_certs certs, void *data, hx509_cert c)
+{
+    struct ks_pkcs12 *p12 = data;
+    return hx509_certs_add(context, p12->certs, c);
+}
+
+static int 
+p12_iter_start(hx509_context context,
+	       hx509_certs certs,
+	       void *data,
+	       void **cursor)
+{
+    struct ks_pkcs12 *p12 = data;
+    return hx509_certs_start_seq(context, p12->certs, cursor);
+}
+
+static int
+p12_iter(hx509_context context,
+	 hx509_certs certs,
+	 void *data,
+	 void *cursor,
+	 hx509_cert *cert)
+{
+    struct ks_pkcs12 *p12 = data;
+    return hx509_certs_next_cert(context, p12->certs, cursor, cert);
+}
+
+static int
+p12_iter_end(hx509_context context,
+	     hx509_certs certs,
+	     void *data,
+	     void *cursor)
+{
+    struct ks_pkcs12 *p12 = data;
+    return hx509_certs_end_seq(context, p12->certs, cursor);
+}
+
+static struct hx509_keyset_ops keyset_pkcs12 = {
+    "PKCS12",
+    0,
+    p12_init,
+    p12_store,
+    p12_free,
+    p12_add,
+    NULL,
+    p12_iter_start,
+    p12_iter,
+    p12_iter_end
+};
+
+void
+_hx509_ks_pkcs12_register(hx509_context context)
+{
+    _hx509_ks_register(context, &keyset_pkcs12);
+}