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/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 ========================================================

+

+  PKG_CHECK_MODULES(NSSHELPER, nss-shared-helper,

+    [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 SIL Graphite

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

 if test "$MOZ_GRAPHITE"; then

   MOZ_GRAPHITE_LIBS='$(DEPTH)/gfx/graphite2/src/$(LIB_PREFIX)mozgraphite2.$(LIB_SUFFIX)'

   AC_DEFINE(MOZ_GRAPHITE)

 else

   MOZ_GRAPHITE_LIBS=

 fi

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

   $(NULL)

 EXPORTS += \

   CryptoTask.h \

   nsNSSShutDown.h \

   ScopedNSSTypes.h \

   $(NULL)

+LOCAL_INCLUDES += $(NSSHELPER_CFLAGS)

+EXTRA_DSO_LDOPTS += $(NSSHELPER_LIBS)

+

 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

@@ -3,16 +3,23 @@

  * This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #ifdef MOZ_LOGGING

 #define FORCE_PR_LOG 1

 #endif

+#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 "nsCertVerificationThread.h"

 #include "nsNetUtil.h"

 #include "nsAppDirectoryServiceDefs.h"

 #include "nsDirectoryService.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".

     uint32_t 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 ("Firefox", 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

 endif

 endif

 endif

 EXTRA_DSO_LDOPTS += $(LIBS_DIR) $(EXTRA_DSO_LIBS)

 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 QTKit \

   -framework IOKit \

   -F/System/Library/PrivateFrameworks -framework CoreUI \