Blob Blame History Raw
diff -up ./nss/lib/freebl/blname.c.freebl-dyload ./nss/lib/freebl/blname.c
--- ./nss/lib/freebl/blname.c.freebl-dyload	2014-11-17 15:50:32.580158978 -0800
+++ ./nss/lib/freebl/blname.c	2014-11-17 15:50:32.736161778 -0800
@@ -5,8 +5,13 @@
  *     * 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/. */
 
+#if defined(FREEBL_LOWHASH)
+static const char* default_name =
+    SHLIB_PREFIX"freeblpriv"SHLIB_VERSION"."SHLIB_SUFFIX;
+#else
 static const char* default_name =
     SHLIB_PREFIX"freebl"SHLIB_VERSION"."SHLIB_SUFFIX;
+#endif
 
 /* getLibName() returns the name of the library to load. */
 
diff -up ./nss/lib/freebl/freebl_hash_vector.def.freebl-dyload ./nss/lib/freebl/freebl_hash_vector.def
--- ./nss/lib/freebl/freebl_hash_vector.def.freebl-dyload	2014-11-17 15:50:32.737161796 -0800
+++ ./nss/lib/freebl/freebl_hash_vector.def	2014-11-17 15:50:32.737161796 -0800
@@ -0,0 +1,34 @@
+;+#
+;+# 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/.
+;+#
+;+# OK, this file is meant to support SUN, LINUX, AIX and WINDOWS
+;+#   1. For all unix platforms, the string ";-"  means "remove this line"
+;+#   2. For all unix platforms, the string " DATA " will be removed from any 
+;+#	line on which it occurs.
+;+#   3. Lines containing ";+" will have ";+" removed on SUN and LINUX.
+;+#      On AIX, lines containing ";+" will be removed.  
+;+#   4. For all unix platforms, the string ";;" will thave the ";;" removed.
+;+#   5. For all unix platforms, after the above processing has taken place,
+;+#    all characters after the first ";" on the line will be removed.  
+;+#    And for AIX, the first ";" will also be removed.
+;+#  This file is passed directly to windows. Since ';' is a comment, all UNIX
+;+#   directives are hidden behind ";", ";+", and ";-"
+;+
+;+NSSprivate_3.11 {               # NSS 3.11 release
+;+    global:
+LIBRARY freebl3 ;-
+EXPORTS	;-
+FREEBL_GetVector;
+;+    local:
+;+       *;
+;+};
+;+NSSprivate_3.16 {               # NSS 3.11 release
+;+    global:
+LIBRARY freebl3 ;-
+EXPORTS	;-
+NSSLOW_GetVector;
+;+    local:
+;+       *;
+;+};
diff -up ./nss/lib/freebl/ldvector.c.freebl-dyload ./nss/lib/freebl/ldvector.c
--- ./nss/lib/freebl/ldvector.c.freebl-dyload	2014-11-17 15:50:32.583159032 -0800
+++ ./nss/lib/freebl/ldvector.c	2014-11-17 15:50:32.737161796 -0800
@@ -14,7 +14,6 @@ extern int FREEBL_InitStubs(void);
 #include "hmacct.h"
 #include "blapii.h"
 
-
 static const struct FREEBLVectorStr vector = 
 {
 
@@ -292,6 +291,8 @@ static const struct FREEBLVectorStr vect
     /* End of Version 3.017 */
 };
 
+
+
 const FREEBLVector *
 FREEBL_GetVector(void)
 {
@@ -317,3 +318,31 @@ FREEBL_GetVector(void)
     return &vector;
 }
 
+
+#ifdef FREEBL_LOWHASH
+static const struct NSSLOWVectorStr nssvector = 
+{
+    sizeof nssvector,
+    NSSLOW_VERSION,
+    FREEBL_GetVector,
+    NSSLOW_Init,
+    NSSLOW_Shutdown,
+    NSSLOW_Reset,
+    NSSLOWHASH_NewContext,
+    NSSLOWHASH_Begin,
+    NSSLOWHASH_Update,
+    NSSLOWHASH_End,
+    NSSLOWHASH_Destroy,
+    NSSLOWHASH_Length
+};
+
+const NSSLOWVector *
+NSSLOW_GetVector(void)
+{
+    SECStatus rv;
+
+    /* POST check and  stub init happens in FREEBL_GetVector() and 
+     * NSSLOW_Init() respectively */
+    return &nssvector;
+}
+#endif
diff -up ./nss/lib/freebl/loader.h.freebl-dyload ./nss/lib/freebl/loader.h
--- ./nss/lib/freebl/loader.h.freebl-dyload	2014-06-24 13:45:27.000000000 -0700
+++ ./nss/lib/freebl/loader.h	2014-11-17 15:50:32.738161814 -0800
@@ -10,6 +10,7 @@
 
 #include "blapi.h"
 
+
 #define FREEBL_VERSION 0x0311
 
 struct FREEBLVectorStr {
@@ -713,8 +714,43 @@ struct FREEBLVectorStr {
 
 typedef struct FREEBLVectorStr FREEBLVector;
 
+#ifdef FREEBL_LOWHASH
+#include "nsslowhash.h"
+
+#define NSSLOW_VERSION 0x0300
+
+struct NSSLOWVectorStr {
+  unsigned short length;  /* of this struct in bytes */
+  unsigned short version; /* of this struct. */
+  const FREEBLVector *(*p_FREEBL_GetVector)(void);
+  NSSLOWInitContext *(*p_NSSLOW_Init)(void);
+  void (*p_NSSLOW_Shutdown)(NSSLOWInitContext *context);
+  void (*p_NSSLOW_Reset)(NSSLOWInitContext *context);
+  NSSLOWHASHContext *(*p_NSSLOWHASH_NewContext)(
+			NSSLOWInitContext *initContext, 
+			HASH_HashType hashType);
+  void (*p_NSSLOWHASH_Begin)(NSSLOWHASHContext *context);
+  void (*p_NSSLOWHASH_Update)(NSSLOWHASHContext *context, 
+			const unsigned char *buf, 
+			unsigned int len);
+  void (*p_NSSLOWHASH_End)(NSSLOWHASHContext *context, 
+			unsigned char *buf, 
+			unsigned int *ret, unsigned int len);
+  void (*p_NSSLOWHASH_Destroy)(NSSLOWHASHContext *context);
+  unsigned int (*p_NSSLOWHASH_Length)(NSSLOWHASHContext *context);
+};
+
+typedef struct NSSLOWVectorStr NSSLOWVector;
+#endif
+
 SEC_BEGIN_PROTOS
 
+#ifdef FREEBL_LOWHASH
+typedef const NSSLOWVector * NSSLOWGetVectorFn(void);
+
+extern NSSLOWGetVectorFn NSSLOW_GetVector;
+#endif
+
 typedef const FREEBLVector * FREEBLGetVectorFn(void);
 
 extern FREEBLGetVectorFn FREEBL_GetVector;
diff -up ./nss/lib/freebl/lowhash_vector.c.freebl-dyload ./nss/lib/freebl/lowhash_vector.c
--- ./nss/lib/freebl/lowhash_vector.c.freebl-dyload	2014-11-17 15:50:32.739161832 -0800
+++ ./nss/lib/freebl/lowhash_vector.c	2014-11-17 16:56:14.683766156 -0800
@@ -0,0 +1,213 @@
+/*
+ * loader.c - load platform dependent DSO containing freebl implementation.
+ *
+ * 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/. */
+
+#define _GNU_SOURCE 1
+#include "loader.h"
+#include "prmem.h"
+#include "prerror.h"
+#include "prinit.h"
+#include "prenv.h"
+#include "blname.c"
+
+#include "prio.h"
+#include "prprf.h"
+#include <stdio.h>
+#include "prsystem.h"
+#include "nsslowhash.h"
+#include <dlfcn.h>
+#include "pratom.h"
+
+static const char *NameOfThisSharedLib = 
+  SHLIB_PREFIX"freebl"SHLIB_VERSION"."SHLIB_SUFFIX;
+
+static PRLibrary* blLib;
+
+#define LSB(x) ((x)&0xff)
+#define MSB(x) ((x)>>8)
+
+static const NSSLOWVector *vector;
+static const char *libraryName = NULL;
+
+/* pretty much only glibc uses this, make sure we don't have any depenencies 
+ * on nspr.. */
+#undef PORT_Alloc
+#undef PORT_Free
+#define PORT_Alloc malloc
+#define PR_Malloc malloc
+#define PORT_Free free
+#define PR_Free free
+#define PR_GetDirectorySeparator() '/'
+#define PR_LoadLibraryWithFlags(libspec,flags) \
+	(PRLibrary*)dlopen(libSpec.value.pathname,RTLD_NOW|RTLD_LOCAL)
+#define PR_GetLibraryFilePathname(name,addr) \
+	freebl_lowhash_getLibraryFilePath(addr)
+
+static char *
+freebl_lowhash_getLibraryFilePath(void *addr)
+{
+    Dl_info dli;
+    if (dladdr(addr, &dli) == 0) {
+	return NULL;
+    }
+    return strdup(dli.dli_fname);
+}
+#include "genload.c"
+
+
+/* This function must be run only once. */
+/*  determine if hybrid platform, then actually load the DSO. */
+static PRStatus
+freebl_LoadDSO( void ) 
+{
+  PRLibrary *  handle;
+  const char * name = getLibName();
+
+  if (!name) {
+    PR_SetError(PR_LOAD_LIBRARY_ERROR, 0);
+    return PR_FAILURE;
+  }
+  handle = loader_LoadLibrary(name);
+  if (handle) {
+    void *address = dlsym(handle, "NSSLOW_GetVector");
+    PRStatus status;
+    if (address) {
+      NSSLOWGetVectorFn  * getVector = (NSSLOWGetVectorFn *)address;
+      const NSSLOWVector * dsoVector = getVector();
+      if (dsoVector) {
+	unsigned short dsoVersion = dsoVector->version;
+	unsigned short  myVersion = NSSLOW_VERSION;
+	if (MSB(dsoVersion) == MSB(myVersion) && 
+	    LSB(dsoVersion) >= LSB(myVersion) &&
+	    dsoVector->length >= sizeof(NSSLOWVector)) {
+          vector = dsoVector;
+	  libraryName = name;
+	  blLib = handle;
+	  return PR_SUCCESS;
+	}
+      }
+    }
+    status = dlclose(handle);
+    PORT_Assert(PR_SUCCESS == status);
+  }
+  return PR_FAILURE;
+}
+
+static PRCallOnceType loadFreeBLOnce;
+/* remove when NSPR pratom.h is updated. s390 has atomic intrinsics,
+ * but nspr doesn't know it. */
+#if defined(__s390__) || defined(__s390x__)
+#undef PR_ATOMIC_SET
+#define PR_ATOMIC_SET(val, newval) __sync_lock_test_and_set(val, newval)
+#endif
+
+static PRStatus
+freebl_RunLoaderOnce( void )
+{
+  PRStatus status;
+
+  /* Don't have NSPR, so can use the real PR_CallOnce, implement a stripped
+   * down version. */
+  if (loadFreeBLOnce.initialized) {
+	return loadFreeBLOnce.status;
+  }
+  /* PR_ATOMIC_SET macro is implemented with compiler intrinsics, if we don't
+   * have the intrinsic, it will be set to an NSPR PR_Atomic function, which
+   * will show up as missing at build time. If we get that missing function,
+   * Then we'll need to implement a PR_AtomicSet() function for that platform
+   */
+  if (PR_ATOMIC_SET(&loadFreeBLOnce.inProgress,1) == 0) {
+	loadFreeBLOnce.status = freebl_LoadDSO();
+	loadFreeBLOnce.initialized = 1;
+  } else {
+	/* shouldn't have a lot of takers on the else clause, which is good
+ 	 * since we don't have condition variables yet.
+	 * 'initialized' only ever gets set (not cleared) so we don't
+	 * need the traditional locks. */
+	while (!loadFreeBLOnce.initialized) {
+	    sleep(1); /* don't have condition variables, just give up the CPU */
+	}
+  }
+
+  return loadFreeBLOnce.status;
+}
+
+const FREEBLVector *FREEBL_GetVector(void)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return NULL;
+  return (vector->p_FREEBL_GetVector)();
+}
+
+NSSLOWInitContext *NSSLOW_Init(void) 
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return NULL;
+  return (vector->p_NSSLOW_Init)();
+}
+
+void NSSLOW_Shutdown(NSSLOWInitContext *context)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return;
+  (vector->p_NSSLOW_Shutdown)(context);
+}
+
+void NSSLOW_Reset(NSSLOWInitContext *context)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return;
+  (vector->p_NSSLOW_Reset)(context);
+}
+
+NSSLOWHASHContext *NSSLOWHASH_NewContext(
+			NSSLOWInitContext *initContext, 
+			HASH_HashType hashType)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return NULL;
+  return (vector->p_NSSLOWHASH_NewContext)(initContext, hashType);
+}
+
+void NSSLOWHASH_Begin(NSSLOWHASHContext *context)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return;
+  (vector->p_NSSLOWHASH_Begin)(context);
+}
+
+void NSSLOWHASH_Update(NSSLOWHASHContext *context, 
+			const unsigned char *buf, 
+			unsigned int len)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return;
+  (vector->p_NSSLOWHASH_Update)(context, buf, len);
+}
+
+void NSSLOWHASH_End(NSSLOWHASHContext *context, 
+			unsigned char *buf, 
+			unsigned int *ret, unsigned int len)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return;
+  (vector->p_NSSLOWHASH_End)(context, buf, ret, len);
+}
+
+void NSSLOWHASH_Destroy(NSSLOWHASHContext *context)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return;
+  (vector->p_NSSLOWHASH_Destroy)(context);
+}
+
+unsigned int NSSLOWHASH_Length(NSSLOWHASHContext *context)
+{
+  if (!vector && PR_SUCCESS != freebl_RunLoaderOnce())
+      return -1;
+  return (vector->p_NSSLOWHASH_Length)(context);
+}
+
diff -up ./nss/lib/freebl/Makefile.freebl-dyload ./nss/lib/freebl/Makefile
--- ./nss/lib/freebl/Makefile.freebl-dyload	2014-11-17 15:50:32.684160845 -0800
+++ ./nss/lib/freebl/Makefile	2014-11-17 15:50:32.739161832 -0800
@@ -46,13 +46,24 @@ ifeq ($(FREEBL_NO_DEPEND),1)
 endif
 
 ifeq ($(FREEBL_LOWHASH),1)
+	DEFINES += -DFREEBL_LOWHASH
 	LOWHASH_SRCS = nsslowhash.c
 	LOWHASH_EXPORTS = nsslowhash.h
-	MAPFILE_SOURCE = freebl_hash.def
+	MAPFILE_SOURCE = freebl_hash_vector.def
+	FREEBL_BUILD_LOWHASH = 1
 else
 	MAPFILE_SOURCE = freebl.def
 endif
 
+ifdef FREEBL_LOWHASH_BUILD
+	CSRCS           = lowhash_vector.c
+	SIMPLE_OBJS     = $(CSRCS:.c=$(OBJ_SUFFIX))
+	OBJS            = $(addprefix $(OBJDIR)/$(PROG_PREFIX), $(SIMPLE_OBJS))
+	ALL_TRASH :=    $(TARGETS) $(OBJS) $(OBJDIR) LOGS TAGS $(GARBAGE) \
+                $(NOSUCHFILE) so_locations
+	MAPFILE_SOURCE = freebl_hash.def
+endif
+
 # FREEBL_USE_PRELINK
 #
 # Most modern version of Linux support a speed optimization scheme where an
@@ -574,6 +585,17 @@ release_md libs:: $(SINGLE_SHLIB_DIR)
 
 endif
 
+ifdef FREEBL_BUILD_LOWHASH
+SINGLE_SHLIB_DIR = $(OBJDIR)/$(OS_TARGET)_SINGLE_SHLIB
+ALL_TRASH += $(SINGLE_SHLIB_DIR) 
+$(SINGLE_SHLIB_DIR):
+	-mkdir $(SINGLE_SHLIB_DIR)
+
+release_md libs:: $(SINGLE_SHLIB_DIR)
+	$(MAKE) FREEBL_LOWHASH_BUILD=1 FREEBL_CHILD_BUILD=1 \
+ OBJDIR=$(SINGLE_SHLIB_DIR) $@
+endif
+
 # multiple shared libraries
 
 ######################## ABI32_FPU stuff #########################
diff -up ./nss/lib/freebl/manifest.mn.freebl-dyload ./nss/lib/freebl/manifest.mn
--- ./nss/lib/freebl/manifest.mn.freebl-dyload	2014-11-17 15:50:32.583159032 -0800
+++ ./nss/lib/freebl/manifest.mn	2014-11-17 15:50:32.739161832 -0800
@@ -29,6 +29,12 @@ ifdef FREEBL_CHILD_BUILD
   ifdef USE_ABI64_FPU
     LIBRARY_NAME = freebl_64fpu
   endif
+  ifdef FREEBL_LOWHASH
+    LIBRARY_NAME = freeblpriv
+  endif
+  ifdef FREEBL_LOWHASH_BUILD
+    LIBRARY_NAME = freebl
+  endif
 endif
 
 # if the library name contains _, we prefix the version with _