*** sharutils-4.2.1/doc/remsync.texi
--- sharutils-4.2.1/doc/remsync.texi
***************
*** 8,11 ****
--- 8,15 ----
  
  @ifinfo
+ 
+ @direntry
+ * remsync: (remsync).       Synchronize remote files (sharutils).
+ @end direntry
  This file documents the @code{remsync} command and friends, which have
  the purpose of synchronizing remote directory trees using email.
*** sharutils-4.2.1/doc/sharutils.texi
--- sharutils-4.2.1/doc/sharutils.texi
***************
*** 16,31 ****
  
  @ifinfo
! @format
! START-INFO-DIR-ENTRY
  * Shar utilities: (sharutils).          GNU shar utilities.
! * mail-files: (sharutils)mail-files invocation. Send files to remote site.
! * mailshar: (sharutils)mailshar invocation.     Make and send a shell archive.
! * remsync: (sharutils)remsync invocation.       Synchronize remote files.
! * shar: (sharutils)shar invocation.             Make a shell archive.
! * unshar: (sharutils)unshar invocation.         Explode a shell archive.
! * uudecode: (sharutils)uudecode invocation.     Restore file from 7-bits.
! * uuencode: (sharutils)uuencode invocation.     Force binary file to 7-bits.
! END-INFO-DIR-ENTRY
! @end format
  @end ifinfo
  
--- 16,22 ----
  
  @ifinfo
! @direntry
  * Shar utilities: (sharutils).          GNU shar utilities.
! @end direntry
  @end ifinfo
  
--- sharutils-4.2.1/src/uudecode.c
+++ sharutils-4.2.1/src/uudecode.c
@@ -81,6 +81,9 @@
 /* Single character decode.  */
 #define        DEC(Char) (((Char) - ' ') & 077)

+#if !defined S_ISLNK && defined S_IFLNK
+# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
+#endif

 static int
 read_stduu (inname)
@@ -279,6 +282,7 @@
   char buf[2 * BUFSIZ];
   char *outname;
   int do_base64 = 0;
+  struct stat attr;

   /* Search for header line.  */

@@ -337,6 +341,23 @@
        }
     }

+  /* Check out file if it exists */
+  if (strcmp (outname, "/dev/stdout") != 0 && strcmp (outname, "-") != 0
+      && !access(outname, F_OK)) {
+    if (lstat(outname, &attr) == -1) {
+      error (0, errno, _("cannot access %s"), outname);
+      return 1;
+    }
+    if (S_ISFIFO(attr.st_mode)){
+      error (0, errno, _("denied writing FIFO (%s)"), outname);
+      return 1;
+    }
+    if (S_ISLNK(attr.st_mode)) {
+      error (0, errno, _("not following symlink (%s)"), outname);
+      return 1;
+    }
+  }
+
   /* Create output file and set mode.  */

   if (strcmp (outname, "/dev/stdout") != 0 && strcmp (outname, "-") != 0