Linux: enable building with a local version of libssl.

net/third_party/nss/ssl/authcert.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: authcert.c,v 1.5 2004/04/27 23:04:39 gerv%gerv.net 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"
+#include "ssl.h"
+#include "pk11func.h"   /* for PK11_ function calls */
+
+/*
+ * This callback used by SSL to pull client sertificate upon
+ * server request
+ */
+SECStatus 
+NSS_GetClientAuthData(void *                       arg, 
+                      PRFileDesc *                 socket, 
+                      struct CERTDistNamesStr *    caNames, 
+                      struct CERTCertificateStr ** pRetCert, 
+                      struct SECKEYPrivateKeyStr **pRetKey)
+{
+  CERTCertificate *  cert = NULL;
+  SECKEYPrivateKey * privkey = NULL;
+  char *             chosenNickName = (char *)arg;    /* CONST */
+  void *             proto_win  = NULL;
+  SECStatus          rv         = SECFailure;
+  
+  proto_win = SSL_RevealPinArg(socket);
+  
+  if (chosenNickName) {
+    cert = CERT_FindUserCertByUsage(CERT_GetDefaultCertDB(),
+                                    chosenNickName, certUsageSSLClient,
+                                    PR_FALSE, proto_win);       
+    if ( cert ) {
+      privkey = PK11_FindKeyByAnyCert(cert, proto_win);
+      if ( privkey ) {
+        rv = SECSuccess;
+      } else {
+        CERT_DestroyCertificate(cert);
+      }
+    }
+  } else { /* no name given, automatically find the right cert. */
+    CERTCertNicknames * names;
+    int                 i;
+      
+    names = CERT_GetCertNicknames(CERT_GetDefaultCertDB(),
+                                  SEC_CERT_NICKNAMES_USER, proto_win);
+    if (names != NULL) {
+      for (i = 0; i < names->numnicknames; i++) {
+        cert = CERT_FindUserCertByUsage(CERT_GetDefaultCertDB(),
+                            names->nicknames[i], certUsageSSLClient,
+                            PR_FALSE, proto_win);       
+        if ( !cert )
+          continue;
+        /* Only check unexpired certs */
+        if (CERT_CheckCertValidTimes(cert, PR_Now(), PR_TRUE) != 
+            secCertTimeValid ) {
+          CERT_DestroyCertificate(cert);
+          continue;
+        }
+        rv = NSS_CmpCertChainWCANames(cert, caNames);
+        if ( rv == SECSuccess ) {
+          privkey = PK11_FindKeyByAnyCert(cert, proto_win);
+          if ( privkey )
+            break;
+        }
+        rv = SECFailure;
+        CERT_DestroyCertificate(cert);
+      } 
+      CERT_FreeNicknames(names);
+    }
+  }
+  if (rv == SECSuccess) {
+    *pRetCert = cert;
+    *pRetKey  = privkey;
+  }
+  return rv;
+}
+