File libgcrypt-fips_avoid_clash_with_gkd.patch of Package libgcrypt

Index: libgcrypt-1.6.1/random/rndlinux.c
===================================================================
--- libgcrypt-1.6.1.orig/random/rndlinux.c	2017-11-20 16:28:20.027653735 +0100
+++ libgcrypt-1.6.1/random/rndlinux.c	2017-11-20 17:52:07.271441469 +0100
@@ -116,9 +116,10 @@ _gcry_rndlinux_gather_random (void (*add
   static int fd_urandom = -1;
   static int fd_random = -1;
   static int fd_configured = -1;
+  static int dummy_fds[3] = { -1, -1, -1 };
   static unsigned char ever_opened;
   int fd;
-  int n;
+  int i, n;
   byte buffer[768];
   size_t n_hw;
   size_t want = length;
@@ -144,9 +145,27 @@ _gcry_rndlinux_gather_random (void (*add
           close (fd_configured);
           fd_configured = -1;
         }
+
+      for (i = 0; i < 3; ++i)
+        {
+          if (dummy_fds[i] != -1)
+            {
+              close (dummy_fds[i]);
+              dummy_fds[i] = -1;
+            }
+        }
+
       return 0;
     }
 
+  /* Open dummy descriptors, so the random devices get file descriptors above 2.
+     gnome-keyring-daemon closes descriptors 0-2 on initializatin,
+     which overwrites the stored random device descriptors and causes ligcrypt
+     to never exit the while loop below.
+     (https://bugzilla.suse.com/show_bug.cgi?id=1043333) */
+  for (i = 0; i < 3; ++i)
+    if (dummy_fds[i] == -1)
+      dummy_fds[i] = open ("/dev/null", O_RDONLY);
 
   /* First read from a hardware source.  However let it account only
      for up to 50% of the requested bytes.  */