From: Hans Petter Jansson <hpj@copyleft.no>

      Wolfgang Rosenauer <wr@rosenauer.org>

Subject: use libnsssharedhelper if available at compile time

         (can be disabled by exporting MOZ_XRE_NO_NSSHELPER=1)

References:

diff --git a/config/autoconf.mk.in b/config/autoconf.mk.in

--- a/config/autoconf.mk.in

+++ b/config/autoconf.mk.in

 GLIB_CFLAGS	= @GLIB_CFLAGS@

 GLIB_LIBS	= @GLIB_LIBS@

 GLIB_GMODULE_LIBS	= @GLIB_GMODULE_LIBS@

 LIBIDL_CFLAGS = @LIBIDL_CFLAGS@

 LIBIDL_LIBS = @LIBIDL_LIBS@

 STATIC_LIBIDL = @STATIC_LIBIDL@

+MOZ_ENABLE_NSSHELPER = @MOZ_ENABLE_NSSHELPER@

+NSSHELPER_CFLAGS = @NSSHELPER_CFLAGS@

+NSSHELPER_LIBS = @NSSHELPER_LIBS@

+

 MOZ_NATIVE_MAKEDEPEND	= @SYSTEM_MAKEDEPEND@

 export CL_INCLUDES_PREFIX = @CL_INCLUDES_PREFIX@

 MOZ_AUTO_DEPS	= @MOZ_AUTO_DEPS@

 COMPILER_DEPEND = @COMPILER_DEPEND@

 MDDEPDIR        := @MDDEPDIR@

 CC_WRAPPER = @CC_WRAPPER@

diff --git a/configure.in b/configure.in

--- a/configure.in

+++ b/configure.in

 dnl ========================================================

 dnl HarfBuzz

 dnl ========================================================

 MOZ_HARFBUZZ_LIBS='$(DEPTH)/gfx/harfbuzz/src/$(LIB_PREFIX)mozharfbuzz.$(LIB_SUFFIX)'

 AC_SUBST(MOZ_HARFBUZZ_LIBS)

 dnl ========================================================

+dnl Check for nss-shared-helper

+dnl ========================================================

+

+    [MOZ_ENABLE_NSSHELPER=1],

+    [MOZ_ENABLE_NSSHELPER=])

+

+if test "$MOZ_ENABLE_NSSHELPER"; then

+  AC_DEFINE(MOZ_ENABLE_NSSHELPER)

+fi

+AC_SUBST(MOZ_ENABLE_NSSHELPER)

+AC_SUBST(NSSHELPER_CFLAGS)

+AC_SUBST(NSSHELPER_LIBS)

+

+dnl ========================================================

 dnl disable xul

 dnl ========================================================

diff --git a/security/manager/ssl/src/Makefile.in b/security/manager/ssl/src/Makefile.in

--- a/security/manager/ssl/src/Makefile.in

+++ b/security/manager/ssl/src/Makefile.in

 EXTRA_DEPS = $(NSS_DEP_LIBS)

 DEFINES += -DNSS_ENABLE_ECC

 # Use local includes because they are inserted before INCLUDES

 # so that Mozilla's nss.h is used, not glibc's

-LOCAL_INCLUDES += $(NSS_CFLAGS)

+LOCAL_INCLUDES += $(NSS_CFLAGS) $(NSSHELPER_CFLAGS)

 EXTRA_DSO_LDOPTS += \

 		$(MOZ_UNICHARUTIL_LIBS) \

 		$(MOZ_COMPONENT_LIBS) \

 		$(MOZ_JS_LIBS) \

+		$(NSSHELPER_LIBS) \

 		$(NSS_LIBS) \

 		$(NULL)

 include $(topsrcdir)/config/rules.mk

diff --git a/security/manager/ssl/src/nsNSSComponent.cpp b/security/manager/ssl/src/nsNSSComponent.cpp

--- a/security/manager/ssl/src/nsNSSComponent.cpp

+++ b/security/manager/ssl/src/nsNSSComponent.cpp

@@ -39,16 +39,23 @@

  * 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 ***** */

+#ifdef MOZ_ENABLE_NSSHELPER

+#pragma GCC visibility push(default)

+#include <nss-shared-helper.h>

+#pragma GCC visibility pop

+#include "prenv.h"

+#endif

+

 #include "nsNSSComponent.h"

 #include "nsNSSCallbacks.h"

 #include "nsNSSIOLayer.h"

 #include "nsSSLThread.h"

 #include "nsCertVerificationThread.h"

 #include "nsNetUtil.h"

 #include "nsAppDirectoryServiceDefs.h"

     ConfigureInternalPKCS11Token();

     // The NSS_INIT_NOROOTINIT flag turns off the loading of the root certs

     // module by NSS_Initialize because we will load it in InstallLoadableRoots

     // later.  It also allows us to work around a bug in the system NSS in

     // Ubuntu 8.04, which loads any nonexistent "<configdir>/libnssckbi.so" as

     // "/usr/lib/nss/libnssckbi.so".

     PRUint32 init_flags = NSS_INIT_NOROOTINIT | NSS_INIT_OPTIMIZESPACE;

-    SECStatus init_rv = ::NSS_Initialize(profileStr.get(), "", "",

-                                         SECMOD_DB, init_flags);

+    SECStatus init_rv = SECFailure;

+#ifdef MOZ_ENABLE_NSSHELPER

+    if (PR_GetEnv("MOZ_XRE_NO_NSSHELPER")) {

+      init_rv = ::NSS_Initialize(profileStr.get(), "", "",

+                                 SECMOD_DB, init_flags);

+    } else {

+      init_rv = ::nsshelp_open_db ("mozilla-xul", profileStr.get(), init_flags);

+

+      if (init_rv != SECSuccess) {

+        PR_LOG(gPIPNSSLog, PR_LOG_DEBUG, ("can not init NSS using nsshelp_open_db in %s\n", profileStr.get()));

+        init_rv = ::NSS_Initialize(profileStr.get(), "", "",

+                                   SECMOD_DB, init_flags);

+      }

+    }

+#else

+    init_rv = ::NSS_Initialize(profileStr.get(), "", "",

+                               SECMOD_DB, init_flags);

+#endif

     if (init_rv != SECSuccess) {

       PR_LOG(gPIPNSSLog, PR_LOG_DEBUG, ("can not init NSS r/w in %s\n", profileStr.get()));

       if (supress_warning_preference) {

         which_nss_problem = problem_none;

       }

       else {

diff --git a/toolkit/library/Makefile.in b/toolkit/library/Makefile.in

--- a/toolkit/library/Makefile.in

+++ b/toolkit/library/Makefile.in

@@ -169,17 +169,17 @@ ifndef MOZ_ENABLE_LIBXUL

 EXTRA_DSO_LDOPTS += \

 	$(MOZ_COMPONENT_LIBS) \

 	$(MOZ_JS_LIBS) \

 	$(NULL)

 endif

 DEFINES += -DIMPL_XREAPI

-EXTRA_DSO_LDOPTS += $(NSPR_LIBS) $(MOZALLOC_LIB)

+EXTRA_DSO_LDOPTS += $(NSPR_LIBS) $(MOZALLOC_LIB) $(NSSHELPER_LIBS)

 ifeq ($(MOZ_WIDGET_TOOLKIT),cocoa)

 CXXFLAGS	+= $(TK_CFLAGS)

 OS_LIBS += \

 	-framework SystemConfiguration \

 	-framework QuickTime \

 	-framework IOKit \

 	-lcrypto \