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- Log -----------------------------------------------------------------
commit db20e94be2bb895cacf61b5648c11403edb66b01
Author: Narasimha Sharoff <nsh...@us...>
Date:   Wed Jun 1 13:57:29 2011 -0700

    [ 3259627 ] provide a list of acceptable CAs to client

-----------------------------------------------------------------------

Summary of changes:

diff --git a/ChangeLog b/ChangeLog
index f75ffcc..24f1cc4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-01  Narasimha Sharoff  <nsh...@us...>
+
+	* control.c, genSslCert.sh, httpAdapter.c, sfcb.cfg.pre.in
+	[ 3259627 ] provide a list acceptable CAs to client
+
 2011-05-30  Chris Buccella  <buc...@li...>
 
 	* 10_interop.mof, default.reg.in, interopServerProvider.c, 
diff --git a/NEWS b/NEWS
index 510938b..dec5553 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,7 @@ New features:
 - 3280992 Add systemd file to SFCB sources
 - 3177587 create sfcCommon (SFCB 1.4 now requires sfcCommon lib to be installed)
 - 3309374 Implement CIM_CIMXMLCommunicationMechanism
+- 3259627 provide a list acceptable CAs to client
 
 Bugs fixed: 
 - 3199899 sfcb uninstall process should remove test mof's 
diff --git a/control.c b/control.c
index 5ed1d8a..217bffa 100644
--- a/control.c
+++ b/control.c
@@ -93,6 +93,7 @@ Control         init[] = {
 
   {"sslKeyFilePath", 0, SFCB_CONFDIR "/file.pem"},
   {"sslCertificateFilePath", 0, SFCB_CONFDIR "/server.pem"},
+  {"sslCertList", 0, SFCB_CONFDIR "/clist.pem"},
 
   {"registrationDir", 0, SFCB_STATEDIR "/registration"},
   {"providerDirs", 3, SFCB_LIBDIR " " CMPI_LIBDIR " " LIBDIR},  /* 3:
diff --git a/genSslCert.sh b/genSslCert.sh
index 1e7d544..9bf6320 100644
--- a/genSslCert.sh
+++ b/genSslCert.sh
@@ -47,8 +47,9 @@ chmod 700 $DIR/*.pem
 if [ $DO_SERVER = yes ]
 then
     cp $DIR/cert.pem $TARGETDIR/server.pem
+    cp $DIR/cert.pem $TARGETDIR/clist.pem
     cp $DIR/key.pem $TARGETDIR/file.pem
-    chmod 400 $TARGETDIR/server.pem $TARGETDIR/file.pem
+    chmod 400 $TARGETDIR/server.pem $TARGETDIR/file.pem $TARGETDIR/clist.pem
 fi
 
 if [ $DO_CLIENT = yes ]
diff --git a/httpAdapter.c b/httpAdapter.c
index 130e633..aa2bee0 100644
--- a/httpAdapter.c
+++ b/httpAdapter.c
@@ -105,6 +105,8 @@ static X509    *x509 = NULL;
 int             ccVerifyMode = CC_VERIFY_IGNORE;
 static int      get_cert(int, X509_STORE_CTX *);
 static int      ccValidate(X509 *, char **, int);
+static int	load_cert(const char *);
+static void	print_cert(const char *cert_file, const STACK_OF(X509_NAME) *);
 #endif
 
 /* return codes used by baValidate */
@@ -1549,7 +1551,8 @@ initSSL()
   char           *fnc,
                  *fnk,
                  *fnt,
-                 *fnl;
+                 *fnl,
+                 *fcert;
   int             rc;
   ctx = SSL_CTX_new(SSLv23_method());
   getControlChars("sslCertificateFilePath", &fnc);
@@ -1562,6 +1565,8 @@ initSSL()
     intSSLerror("Error loading private key from file");
   getControlChars("sslClientCertificate", &fnl);
   _SFCB_TRACE(1, ("---  sslClientCertificate = %s", fnl));
+  getControlChars("sslCertList", &fcert);
+  load_cert(fcert);
   if (strcasecmp(fnl, "ignore") == 0) {
     ccVerifyMode = CC_VERIFY_IGNORE;
     SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
@@ -1955,6 +1960,54 @@ ccValidate(X509 * certificate, char **principal, int mode)
   }
   _SFCB_RETURN(result);
 }
+
+/* 
+ * Load the list of certificates accepted by the server into ctx object
+ * This information will be sent to the client during SSL handshake
+*/
+static int
+load_cert(const char *cert_file)
+{
+  STACK_OF(x509_NAME) *cert_names;
+
+  if (cert_file == NULL) {
+        mlogf(M_ERROR, M_SHOW,
+              "--- SSL CA list: file %s not found\n", cert_file);
+	return -1;
+  }
+  cert_names = SSL_load_client_CA_file(cert_file);
+  if (cert_names == NULL) {
+        mlogf(M_ERROR, M_SHOW,
+              "--- SSL CA list: cannot read file %s\n", cert_file);
+        return -1;
+  } else {
+#ifdef SFCB_DEBUG
+	print_cert(cert_file, cert_names);
+#endif
+	SSL_CTX_set_client_CA_list(ctx, cert_names);
+  }
+
+ return 0;
+}
+
+/* Print the list of certificates in CTX */
+static void
+print_cert(const char *cert_file, const STACK_OF(X509_NAME) *cert_names)
+{
+  char *str = NULL;
+  int i = 0;
+
+  _SFCB_ENTER(TRACE_HTTPDAEMON, "print_cert");
+  mlogf(M_INFO, M_SHOW, "--- SSL CA list loaded from %s\n", cert_file);
+  if (sk_X509_NAME_num(cert_names) > 0) {
+    for (i=0; i < sk_X509_NAME_num(cert_names); i++) {
+      str = X509_NAME_oneline(sk_X509_NAME_value(cert_names, i),0,0);
+      _SFCB_TRACE(4, ("\t Name #%d:%s\n", (i+1), str));
+      free(str);
+    }
+  }
+  return;
+}
 #endif
 /* MODELINES */
 /* DO NOT EDIT BELOW THIS COMMENT */
diff --git a/sfcb.cfg.pre.in b/sfcb.cfg.pre.in
index acc28ba..70385f2 100644
--- a/sfcb.cfg.pre.in
+++ b/sfcb.cfg.pre.in
@@ -166,6 +166,10 @@ sslKeyFilePath: @sysconfdir@/sfcb/file.pem
 ## Default is @sysconfdir@/sfcb/server.pem
 sslCertificateFilePath: @sysconfdir@/sfcb/server.pem
 
+## Filename containing list of certificates server accepts
+## Default is @sysconfdir@/sfcb/clist.pem
+sslCertList: @sysconfdir@/sfcb/clist.pem
+
 ## How SFCB handles client certificate based authentication. 
 ## ignore - do not request a certificate from the client
 ## accept - request a certificate from the client; do not fail if not presented


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