Linux: enable building with a local version of libssl.

net/third_party/nss/ssl/cmpcert.c

+/*
+ * NSS utility functions
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/* $Id: cmpcert.c,v 1.6 2008/02/01 22:09:09 julien.pierre.boogz%sun.com Exp $ */
+
+#include <stdio.h>
+#include <string.h>
+#include "prerror.h"
+#include "secitem.h"
+#include "prnetdb.h"
+#include "cert.h"
+#include "nspr.h"
+#include "secder.h"
+#include "key.h"
+#include "nss.h"
+
+/*
+ * Look to see if any of the signers in the cert chain for "cert" are found
+ * in the list of caNames.  
+ * Returns SECSuccess if so, SECFailure if not.
+ */
+SECStatus
+NSS_CmpCertChainWCANames(CERTCertificate *cert, CERTDistNames *caNames)
+{
+  SECItem *         caname;
+  CERTCertificate * curcert;
+  CERTCertificate * oldcert;
+  PRInt32           contentlen;
+  int               j;
+  int               headerlen;
+  int               depth;
+  SECStatus         rv;
+  SECItem           issuerName;
+  SECItem           compatIssuerName;
+
+  if (!cert || !caNames || !caNames->nnames || !caNames->names ||
+      !caNames->names->data)
+    return SECFailure;
+  depth=0;
+  curcert = CERT_DupCertificate(cert);
+  
+  while( curcert ) {
+    issuerName = curcert->derIssuer;
+    
+    /* compute an alternate issuer name for compatibility with 2.0
+     * enterprise server, which send the CA names without
+     * the outer layer of DER header
+     */
+    rv = DER_Lengths(&issuerName, &headerlen, (PRUint32 *)&contentlen);
+    if ( rv == SECSuccess ) {
+      compatIssuerName.data = &issuerName.data[headerlen];
+      compatIssuerName.len = issuerName.len - headerlen;
+    } else {
+      compatIssuerName.data = NULL;
+      compatIssuerName.len = 0;
+    }
+    
+    for (j = 0; j < caNames->nnames; j++) {
+      caname = &caNames->names[j];
+      if (SECITEM_CompareItem(&issuerName, caname) == SECEqual) {
+        rv = SECSuccess;
+        CERT_DestroyCertificate(curcert);
+        goto done;
+      } else if (SECITEM_CompareItem(&compatIssuerName, caname) == SECEqual) {
+        rv = SECSuccess;
+        CERT_DestroyCertificate(curcert);
+        goto done;
+      }
+    }
+    if ( ( depth <= 20 ) &&
+         ( SECITEM_CompareItem(&curcert->derIssuer, &curcert->derSubject)
+           != SECEqual ) ) {
+      oldcert = curcert;
+      curcert = CERT_FindCertByName(curcert->dbhandle,
+                                    &curcert->derIssuer);
+      CERT_DestroyCertificate(oldcert);
+      depth++;
+    } else {
+      CERT_DestroyCertificate(curcert);
+      curcert = NULL;
+    }
+  }
+  rv = SECFailure;
+  
+done:
+  return rv;
+}
+