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#! /bin/sh /usr/share/dpatch/dpatch-run

## 02_smartlink_rpath.dpatch

##

## DP: Changes from CVS to make the Nettle module compile with Nettle 2.0

@DPATCH@

diff -urad Pike-v7.8.316/src/post_modules/Nettle/cipher.cmod pike-cvs/7.8/src/post_modules/Nettle/cipher.cmod

--- Pike-v7.8.316/src/post_modules/Nettle/cipher.cmod	2008-07-31 16:52:27.000000000 +0200

+++ pike-cvs/7.8/src/post_modules/Nettle/cipher.cmod	2009-07-02 18:35:38.000000000 +0200

@@ -79,8 +86,8 @@

   pike_nettle_set_key_func set_encrypt_key;

   pike_nettle_set_key_func set_decrypt_key;

-  nettle_crypt_func encrypt;

-  nettle_crypt_func decrypt;

+  nettle_crypt_func *encrypt;

+  nettle_crypt_func *decrypt;

 };

 #define _PIKE_CIPHER(name, NAME) {		\

@@ -90,8 +97,8 @@

   NAME##_KEY_SIZE,				\

   pike_##name##_set_encrypt_key,		\

   pike_##name##_set_decrypt_key,		\

-  (nettle_crypt_func) name##_encrypt,		\

-  (nettle_crypt_func) name##_decrypt,		\

+  (nettle_crypt_func*) name##_encrypt,			\

+  (nettle_crypt_func*) name##_decrypt,			\

 }

 /*! @class CipherInfo

@@ -175,7 +182,7 @@

 PIKECLASS CipherState

 {

   INHERIT CipherInfo;

-  CVAR nettle_crypt_func crypt;

+  CVAR nettle_crypt_func *crypt;

   CVAR void *ctx;

   CVAR int key_size;

diff -urad Pike-v7.8.316/src/post_modules/Nettle/nettle.cmod pike-cvs/7.8/src/post_modules/Nettle/nettle.cmod

--- Pike-v7.8.316/src/post_modules/Nettle/nettle.cmod	2008-06-29 00:57:14.000000000 +0200

+++ pike-cvs/7.8/src/post_modules/Nettle/nettle.cmod	2009-07-05 21:41:58.000000000 +0200

@@ -46,6 +46,21 @@

   CVAR struct yarrow256_ctx ctx;

   CVAR struct yarrow_source *sources;

+  PIKEVAR string seed_file flags ID_PRIVATE|ID_STATIC;

+

+  DECLARE_STORAGE;

+

+  static void pike_generate_seed_file(void)

+  {

+    struct pike_string *seed_file =

+      begin_shared_string(YARROW256_SEED_FILE_SIZE);

+    yarrow256_random(&THIS->ctx, YARROW256_SEED_FILE_SIZE, STR0(seed_file));

+    if (THIS->seed_file) {

+      free_string(THIS->seed_file);

+    }

+    THIS->seed_file = end_shared_string(seed_file);

+  }

+

   /*! @decl void create(void|int sources)

    *! The number of entropy sources that will feed entropy to the

    *! random number generator is given as an argument to Yarrow

@@ -90,10 +120,12 @@

     optflags OPT_SIDE_EFFECT;

   {

     if(data->len < YARROW256_SEED_FILE_SIZE)

-      Pike_error( "Seed must be at least 32 characters.\n" );

+      Pike_error("Seed must be at least %d characters.\n",

+		 YARROW256_SEED_FILE_SIZE);

     NO_WIDE_STRING(data);

-    yarrow256_seed(&THIS->ctx, data->len, (const uint8_t *)data->str);

+    yarrow256_seed(&THIS->ctx, data->len, STR0(data));

+    pike_generate_seed_file();

     RETURN this_object();

   }

@@ -109,19 +141,26 @@

     RETURN YARROW256_SEED_FILE_SIZE;

   }

-  /*! @decl string get_seed()

-   *! Returns part of the internal state so that it can

-   *! be saved for later seeding.

+  /*! @decl string(0..255) get_seed()

+   *!   Returns part of the internal state so that it can

+   *!   be saved for later seeding.

+   *!

    *! @seealso

-   *!   @[seed]

+   *!   @[seed()], @[random_string()]

    */

   PIKEFUN string get_seed()

     optflags OPT_EXTERNAL_DEPEND;

+    rawtype tDeprecated(tFunc(tNone, tStr8));

   {

     if( !yarrow256_is_seeded(&THIS->ctx) )

       Pike_error("Random generator not seeded.\n");

-    RETURN make_shared_binary_string((const char *)THIS->ctx.seed_file,

-				     YARROW256_SEED_FILE_SIZE);

+

+    if (THIS->seed_file) {

+      REF_RETURN THIS->seed_file;

+    } else {

+      struct pike_string *s = begin_shared_string(YARROW256_SEED_FILE_SIZE);

+      RETURN end_shared_string(s);

+    }

   }

   /*! @decl int(0..1) is_seeded()

@@ -144,7 +188,8 @@

   PIKEFUN void force_reseed()

     optflags OPT_SIDE_EFFECT;

   {

-    yarrow256_force_reseed(&THIS->ctx);

+    yarrow256_slow_reseed(&THIS->ctx);

+    pike_generate_seed_file();

   }

   /*! @decl int(0..1) update(string data, int source, int entropy)

@@ -156,6 +212,7 @@

   PIKEFUN int(0..1) update(string data, int source, int entropy)

     optflags OPT_SIDE_EFFECT;

   {

+    int ret;

     /* FIXME: Wide strings could actually be supported here */

     NO_WIDE_STRING(data);

     if( !THIS->sources )

@@ -166,8 +223,11 @@

       Pike_error("Entropy must be positive.\n");

     if( entropy>(data->len*8) )

       Pike_error("Impossibly large entropy value.\n");

-    RETURN yarrow256_update(&THIS->ctx, source, entropy, data->len,

-                            (const uint8_t *)data->str);

+    ret = yarrow256_update(&THIS->ctx, source, entropy, data->len,

+			   (const uint8_t *)data->str);

+    if (ret)

+      pike_generate_seed_file();

+    RETURN ret;

   }

   /*! @decl int(0..) needed_sources()

diff -urad Pike-v7.8.316/src/post_modules/Nettle/testsuite.in pike-cvs/7.8/src/post_modules/Nettle/testsuite.in

--- Pike-v7.8.316/src/post_modules/Nettle/testsuite.in	2007-06-18 02:43:51.000000000 +0200

+++ pike-cvs/7.8/src/post_modules/Nettle/testsuite.in	2009-08-05 12:01:45.000000000 +0200

@@ -193,4 +193,14 @@

   }

 )

 ]])

+

+cond_resolv( Nettle.Yarrow, [[

+  test_any_equal([[

+    object y = Nettle.Yarrow()->seed("What happen? Somebody set up us the bomb.");

+    return ({ y->get_seed(), y->random_string(20), y->get_seed(), y->random_string(20) });

+  ]], [[({String.hex2string("73a35b2f896a8061be0ad434a592a43a82b81b9ed6c018f1c5a51300bbc8d53d"),

+	  String.hex2string("7847458e32fb789ff6b6cd6e1c8cc3712ba532a8"),

+	  String.hex2string("73a35b2f896a8061be0ad434a592a43a82b81b9ed6c018f1c5a51300bbc8d53d"),

+	  String.hex2string("49a090656a6d93782e169994f41005a3616d3cd7")})]])

+]])

 END_MARKER