From: Nathan Phillip Brink <ohnobinki@ohnopublishing.net>
Subject: Store and retrieve entropy from a file in a directory
	writable/readable by ultimateircd.
Date: 2011/04/28

--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -32,7 +32,7 @@
 LEX		= @LEX@
 LEXLIB		= @LEXLIB@
 CCDV	= @CCDV@
-CFLAGS		= @IRC_CFLAGS@ -DIRCD_PREFIX=\"@prefix@\"
+CFLAGS		= @IRC_CFLAGS@ -DIRCD_PREFIX=\"@prefix@\" -DLOCALSTATEDIR='"$(localstatedir)"'
 LDFLAGS   	= @LDFLAGS@
 MKDEP		= @MKDEP@ -DIRCD_PREFIX=\"@prefix@\"
 MV		= @MV@
--- a/src/dh.c
+++ b/src/dh.c
@@ -214,10 +214,10 @@
   printf ("Done.\n");
   fclose (fp);
 
-  fp = fopen (".ircd.entropy", "w");
+  fp = fopen (LOCALSTATEDIR "/.ircd.entropy", "w");
   if (!fp)
   {
-    printf ("Could not open .ircd.entropy for writing: %s\n",
+    printf ("Could not open " LOCALSTATEDIR "/.ircd.entropy for writing: %s\n",
             strerror (errno));
     return 0;
   }
@@ -225,7 +225,7 @@
   fwrite (randbuf, RAND_BYTES * 4, 1, fp);
   fclose (fp);
 
-  RAND_load_file (".ircd.entropy", -1);
+  RAND_load_file (LOCALSTATEDIR "/.ircd.entropy", -1);
 
   return 1;
 }
@@ -236,7 +236,7 @@
   int ret;
   time_t now;
 
-  ret = RAND_load_file (".ircd.entropy", -1);
+  ret = RAND_load_file (LOCALSTATEDIR "/.ircd.entropy", -1);
   if (ret <= 0)
   {
     if (!make_entropy ())
@@ -250,7 +250,7 @@
   /* this is probably not too good, but it saves just writing
      the whole state back to disk with no changes. */
   RAND_seed (&now, 4);
-  RAND_write_file (".ircd.entropy");
+  RAND_write_file (LOCALSTATEDIR "/.ircd.entropy");
 
   return 0;
 }