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[apple/security.git] / Security / libsecurity_pkcs12 / lib / pkcs12Templates.cpp
diff --git a/Security/libsecurity_pkcs12/lib/pkcs12Templates.cpp b/Security/libsecurity_pkcs12/lib/pkcs12Templates.cpp
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+/*
+ * Copyright (c) 2003-2004,2011,2013-2014 Apple Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * pkcs12Templates.cpp
+ */
+#include "pkcs12Templates.h"
+#include "pkcs12Utils.h"
+#include <security_asn1/nssUtils.h>
+#include <Security/SecAsn1Templates.h>
+#include <Security/oidsattr.h>
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-const-variable"
+
+
+const SecAsn1Template NSS_P12_MacDataTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(NSS_P12_MacData) },
+       { SEC_ASN1_INLINE,
+         offsetof(NSS_P12_MacData,mac),
+         NSS_P7_DigestInfoTemplate },
+    { SEC_ASN1_OCTET_STRING,
+         offsetof(NSS_P12_MacData,macSalt) },
+       /* iterations is unsigned - right? */
+       { SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL,
+         offsetof(NSS_P12_MacData,iterations) },
+    { 0, }
+};
+
+const SecAsn1Template pointerToMacDataTemplate[] = {
+    { SEC_ASN1_POINTER, 0, NSS_P12_MacDataTemplate }
+};
+
+/* raw PFX with unprocessed authSafe */
+const SecAsn1Template NSS_P12_RawPFXTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(NSS_P12_RawPFX) },
+       { SEC_ASN1_INTEGER,
+         offsetof(NSS_P12_RawPFX,version) },
+       { SEC_ASN1_INLINE,
+         offsetof(NSS_P12_RawPFX, authSafe),
+         NSS_P7_RawContentInfoTemplate },
+       { SEC_ASN1_POINTER | SEC_ASN1_OPTIONAL,
+         offsetof(NSS_P12_RawPFX, macData),
+         NSS_P12_MacDataTemplate },
+    { 0, }
+};
+
+/* PFX with decoded authSafe */
+extern const SecAsn1Template NSS_P12_DecodedPFXTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(NSS_P12_DecodedPFX) },
+       { SEC_ASN1_INTEGER,
+         offsetof(NSS_P12_DecodedPFX,version) },
+       { SEC_ASN1_INLINE,
+         offsetof(NSS_P12_DecodedPFX, authSafe),
+         NSS_P7_DecodedContentInfoTemplate },
+       { SEC_ASN1_POINTER | SEC_ASN1_OPTIONAL,
+         offsetof(NSS_P12_DecodedPFX, macData),
+         NSS_P12_MacDataTemplate },
+    { 0, }
+};
+
+/* AuthenticatedSafe */
+const SecAsn1Template NSS_P12_AuthenticatedSafeTemplate[] = {
+       { SEC_ASN1_SEQUENCE_OF,
+         offsetof(NSS_P12_AuthenticatedSafe, info),
+         NSS_P7_DecodedContentInfoTemplate,
+         sizeof(NSS_P12_AuthenticatedSafe) }
+};
+
+/*
+ * Individual SafeBag type-specific templates here when we write 'em
+ */
+const SecAsn1Template NSS_P12_PtrToShroudedKeyBagTemplate[] = {
+       { SEC_ASN1_POINTER, 0, kSecAsn1EncryptedPrivateKeyInfoTemplate }
+};
+
+/*
+ * CertBag via SEC_ASN1_DYNAMIC
+ */
+static const SecAsn1Template * NSS_P12_CertBagChooser(
+       void *arg,                      // --> NSS_P12_CertBag
+       Boolean enc,
+       const char *buf,        // on decode, tag byte
+       void *dest)                     // --> NSS_P12_CertBag.bagValue
+{
+       NSS_P12_CertBag *bag = (NSS_P12_CertBag *)arg;
+       const SecAsn1Template *templ = NULL;
+       NSS_P12_CertBagType type = CT_Unknown;
+       CSSM_OID *oid = &bag->bagType;
+       
+       if(nssCompareCssmData(oid, &CSSMOID_PKCS9_X509Certificate)) {
+               templ = kSecAsn1OctetStringTemplate;
+               type = CT_X509;
+       }
+       else if(nssCompareCssmData(oid, &CSSMOID_PKCS9_SdsiCertificate)) {
+               templ = kSecAsn1IA5StringTemplate;
+               type = CT_SDSI;
+       }
+       else {
+               /* punt */
+               templ = kSecAsn1AnyTemplate;
+       }
+       if(!enc) {
+               bag->type = type;
+       }
+       return templ;
+}
+
+static const SecAsn1TemplateChooserPtr NSS_P12_CertBagChooserPtr = 
+       NSS_P12_CertBagChooser;
+
+const SecAsn1Template NSS_P12_CertBagTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(NSS_P12_CertBag) },
+       { SEC_ASN1_OBJECT_ID,
+         offsetof(NSS_P12_CertBag,bagType) },
+         /* these come in with a tag of 0xA0, context/constructed, 
+          * though I don't know why they are flagged as constructed */
+       { SEC_ASN1_DYNAMIC | SEC_ASN1_CONTEXT_SPECIFIC |
+         SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | 0,
+         offsetof(NSS_P12_CertBag, certValue),
+         &NSS_P12_CertBagChooserPtr },
+    { 0, }
+};
+
+const SecAsn1Template NSS_P12_PtrToCertBagTemplate[] = {
+       { SEC_ASN1_POINTER, 0, NSS_P12_CertBagTemplate }
+};
+
+/*
+ * CrlBag via SEC_ASN1_DYNAMIC
+ */
+static const SecAsn1Template * NSS_P12_CrlBagChooser(
+       void *arg,                      // --> NSS_P12_CrlBag
+       Boolean enc,
+       const char *buf,        // on decode, tag byte
+       void *dest)                     // --> NSS_P12_CertBag.bagValue
+{
+       NSS_P12_CrlBag *bag = (NSS_P12_CrlBag *)arg;
+       const SecAsn1Template *templ = NULL;
+       NSS_P12_CrlBagType type = CRT_Unknown;
+       CSSM_OID *oid = &bag->bagType;
+       
+       if(nssCompareCssmData(oid, &CSSMOID_PKCS9_X509Crl)) {
+               templ = kSecAsn1OctetStringTemplate;
+               type = CRT_X509;
+       }
+       else {
+               /* punt */
+               templ = kSecAsn1AnyTemplate;
+       }
+       if(!enc) {
+               bag->type = type;
+       }
+       return templ;
+}
+
+static const SecAsn1TemplateChooserPtr NSS_P12_CrlBagChooserPtr = 
+       NSS_P12_CrlBagChooser;
+
+const SecAsn1Template NSS_P12_CrlBagTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(NSS_P12_CrlBag) },
+       { SEC_ASN1_OBJECT_ID,
+         offsetof(NSS_P12_CrlBag,bagType) },
+         /* these come in with a tag of 0xA0, context/constructed, 
+          * though I don't know why they are flagged as constructed */
+       { SEC_ASN1_DYNAMIC | SEC_ASN1_CONTEXT_SPECIFIC |
+         SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | 0,
+         offsetof(NSS_P12_CrlBag, crlValue),
+         &NSS_P12_CrlBagChooserPtr },
+    { 0, }
+};
+
+const SecAsn1Template NSS_P12_PtrToCrlBagTemplate[] = {
+       { SEC_ASN1_POINTER, 0, NSS_P12_CrlBagTemplate }
+};
+
+
+/* the stub templates for unimplemented BagTypes */
+#define NSS_P12_PtrToKeyBagTemplate                            kSecAsn1PointerToAnyTemplate
+#define NSS_P12_PtrToSecretBagTemplate                 kSecAsn1PointerToAnyTemplate
+#define NSS_P12_PtrToSafeContentsBagTemplate   kSecAsn1PointerToAnyTemplate
+
+/*
+ * SafeBag via SEC_ASN1_DYNAMIC
+ */
+static const SecAsn1Template * NSS_P12_SafeBagChooser(
+       void *arg,                      // --> NSS_P12_SafeBag
+       Boolean enc,
+       const char *buf,        // on decode, tag byte
+       void *dest)                     // --> NSS_P12_SafeBag.bagValue
+{
+       NSS_P12_SafeBag *bag = (NSS_P12_SafeBag *)arg;
+       const SecAsn1Template *templ = NULL;
+       NSS_P12_SB_Type type = BT_None;
+       CSSM_OID *oid = &bag->bagId;
+       
+       if(nssCompareCssmData(oid, &CSSMOID_PKCS12_keyBag)) {
+               templ = NSS_P12_PtrToKeyBagTemplate;
+               type = BT_KeyBag;
+       }
+       else if(nssCompareCssmData(oid, &CSSMOID_PKCS12_shroudedKeyBag)) {
+               templ = NSS_P12_PtrToShroudedKeyBagTemplate;
+               type = BT_ShroudedKeyBag;
+       }
+       else if(nssCompareCssmData(oid, &CSSMOID_PKCS12_certBag)) {
+               templ = NSS_P12_PtrToCertBagTemplate;
+               type = BT_CertBag;
+       }
+       else if(nssCompareCssmData(oid, &CSSMOID_PKCS12_crlBag)) {
+               templ = NSS_P12_PtrToCrlBagTemplate;
+               type = BT_CrlBag;
+       }
+       else if(nssCompareCssmData(oid, &CSSMOID_PKCS12_secretBag)) {
+               templ = NSS_P12_PtrToSecretBagTemplate;
+               type = BT_SecretBag;
+       }
+       else if(nssCompareCssmData(oid, &CSSMOID_PKCS12_safeContentsBag)) {
+               templ = NSS_P12_PtrToSafeContentsBagTemplate;
+               type = BT_SafeContentsBag;
+       }
+       /* add more here when we implement them */
+       else {
+               templ = kSecAsn1PointerToAnyTemplate;
+       }
+       if(!enc) {
+               bag->type = type;
+       }
+       return templ;
+}
+
+static const SecAsn1TemplateChooserPtr NSS_P12_SafeBagChooserPtr = 
+       NSS_P12_SafeBagChooser;
+
+const SecAsn1Template NSS_P12_SafeBagTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(NSS_P12_SafeBag) },
+    { SEC_ASN1_OBJECT_ID,
+         offsetof(NSS_P12_SafeBag,bagId) },
+    { SEC_ASN1_DYNAMIC | SEC_ASN1_CONSTRUCTED |
+               SEC_ASN1_EXPLICIT | SEC_ASN1_CONTEXT_SPECIFIC | 0,
+         offsetof(NSS_P12_SafeBag,bagValue),
+         &NSS_P12_SafeBagChooserPtr },
+    { SEC_ASN1_OPTIONAL | SEC_ASN1_SET_OF,
+        offsetof(NSS_P12_SafeBag,bagAttrs),
+        kSecAsn1AttributeTemplate },
+   { 0 }
+};
+
+const SecAsn1Template NSS_P12_SafeContentsTemplate[] = {
+       { SEC_ASN1_SEQUENCE_OF,
+         offsetof(NSS_P12_SafeContents, bags),
+         NSS_P12_SafeBagTemplate,
+         sizeof(NSS_P12_SafeContents) }
+};
+
+const SecAsn1Template NSS_P12_PBE_ParamsTemplate[] = {
+       { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(NSS_P12_PBE_Params) },
+    { SEC_ASN1_OCTET_STRING,
+         offsetof(NSS_P12_PBE_Params,salt) },
+       /* iterations is unsigned - right? */
+       { SEC_ASN1_INTEGER,
+         offsetof(NSS_P12_PBE_Params,iterations) },
+       { 0 }
+};
+
+#pragma clang diagnostic pop