vsftpd/vsftpd-2.0.3-daemonize_fds.patch

diff -up vsftpd-2.0.6/standalone.c.fds vsftpd-2.0.6/standalone.c
--- vsftpd-2.0.6/standalone.c.fds	2008-09-08 23:29:23.000000000 -0400
+++ vsftpd-2.0.6/standalone.c	2008-09-08 23:30:16.000000000 -0400
@@ -57,6 +57,7 @@ vsf_standalone_main(void)
     vsf_sysutil_close_failok(1);
     vsf_sysutil_close_failok(2);
     vsf_sysutil_make_session_leader();
+    vsf_sysutil_reopen_standard_fds();
   }
   if (tunable_listen)
   {
diff -up vsftpd-2.0.6/sysutil.c.fds vsftpd-2.0.6/sysutil.c
--- vsftpd-2.0.6/sysutil.c.fds	2008-09-08 23:29:23.000000000 -0400
+++ vsftpd-2.0.6/sysutil.c	2008-09-08 23:32:26.000000000 -0400
@@ -2457,6 +2457,44 @@ vsf_sysutil_make_session_leader(void)
 }
 
 void
+vsf_sysutil_reopen_standard_fds(void)
+{
+  /* This reopens STDIN, STDOUT and STDERR to /dev/null */
+  
+  int fd;
+    
+  if ( (fd = open("/dev/null", O_RDWR, 0)) == -1 )
+  {
+    goto error;
+  }
+
+  if ( dup2(fd, STDIN_FILENO) == -1 )
+  {
+    goto error;
+  }
+
+  if ( dup2(fd, STDOUT_FILENO) == -1 )
+  {
+    goto error;
+  }
+
+  if ( dup2(fd, STDERR_FILENO) == -1 )
+  {
+    goto error;
+  }
+  
+  if ( fd > 2 )
+  {
+    (void) close(fd);
+  }
+   
+  return;
+   
+error:
+  die("reopening standard file descriptors to /dev/null failed");
+}
+    
+void
 vsf_sysutil_tzset(void)
 {
   int retval;
diff -up vsftpd-2.0.6/sysutil.h.fds vsftpd-2.0.6/sysutil.h
--- vsftpd-2.0.6/sysutil.h.fds	2008-02-01 20:30:39.000000000 -0500
+++ vsftpd-2.0.6/sysutil.h	2008-09-08 23:29:24.000000000 -0400
@@ -293,6 +293,7 @@ unsigned char vsf_sysutil_get_random_byt
 unsigned int vsf_sysutil_get_umask(void);
 void vsf_sysutil_set_umask(unsigned int umask);
 void vsf_sysutil_make_session_leader(void);
+void vsf_sysutil_reopen_standard_fds(void);
 void vsf_sysutil_tzset(void);
 const char* vsf_sysutil_get_current_date(void);
 void vsf_sysutil_qsort(void* p_base, unsigned int num_elem,