2011-07-31 Joel Sherrill <joel.sherrilL@OARcorp.com>

	PR 1839/filesystem
	* libcsupport/include/rtems/libio_.h, libcsupport/src/fchdir.c,
	libcsupport/src/fdatasync.c, libcsupport/src/fpathconf.c,
	libcsupport/src/fsync.c, libcsupport/src/ftruncate.c,
	libcsupport/src/read.c, libcsupport/src/readv.c,
	libcsupport/src/write.c, libcsupport/src/writev.c: Some calls did not
	return proper status for permission errors or incorrectly permissions
	at all.

11 files changed, 37 insertions, 22 deletions

diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index e11a32862f..6258481572 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,14 @@
+2011-07-31	Joel Sherrill <joel.sherrilL@OARcorp.com>
+
+	PR 1839/filesystem
+	* libcsupport/include/rtems/libio_.h, libcsupport/src/fchdir.c,
+	libcsupport/src/fdatasync.c, libcsupport/src/fpathconf.c,
+	libcsupport/src/fsync.c, libcsupport/src/ftruncate.c,
+	libcsupport/src/read.c, libcsupport/src/readv.c,
+	libcsupport/src/write.c, libcsupport/src/writev.c: Some calls did not
+	return proper status for permission errors or incorrectly permissions
+	at all.
+
 2011-07-19	Joel Sherrill <joel.sherrilL@OARcorp.com>
 
 	PR 1838/filesystem
diff --git a/cpukit/libcsupport/include/rtems/libio_.h b/cpukit/libcsupport/include/rtems/libio_.h
index a0bc0aa47b..6e1776e413 100644
--- a/cpukit/libcsupport/include/rtems/libio_.h
+++ b/cpukit/libcsupport/include/rtems/libio_.h
@@ -124,20 +124,31 @@ extern rtems_libio_t *rtems_libio_iop_freelist;
   } while (0)
 
 /*
- *  rtems_libio_check_permissions
+ *  rtems_libio_check_permissions_with_error
  *
  *  Macro to check if a file descriptor is open for this operation.
+ *  On failure, return the user specified error.
  */
 
-#define rtems_libio_check_permissions(_iop, _flag)          \
+#define rtems_libio_check_permissions_with_error(_iop, _flag, _errno) \
   do {                                                      \
       if (((_iop)->flags & (_flag)) == 0) {                 \
-            rtems_set_errno_and_return_minus_one( EINVAL ); \
+            rtems_set_errno_and_return_minus_one( _errno ); \
             return -1;                                      \
       }                                                     \
   } while (0)
 
 /*
+ *  rtems_libio_check_permissions
+ *
+ *  Macro to check if a file descriptor is open for this operation.
+ *  On failure, return EINVAL
+ */
+
+#define rtems_libio_check_permissions(_iop, _flag) \
+   rtems_libio_check_permissions_with_error(_iop, _flag, EINVAL )
+
+/*
  *  rtems_filesystem_freenode
  *
  *  Macro to free a node.
diff --git a/cpukit/libcsupport/src/fchdir.c b/cpukit/libcsupport/src/fchdir.c
index 0f3cf9ebb3..8ecb44ff59 100644
--- a/cpukit/libcsupport/src/fchdir.c
+++ b/cpukit/libcsupport/src/fchdir.c
@@ -1,7 +1,7 @@
 /*
  *  fchdir() - compatible with SVr4, 4.4BSD and X/OPEN - Change Directory
  *
- *  COPYRIGHT (c) 1989-2000.
+ *  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -36,12 +36,6 @@ int fchdir(
   rtems_libio_check_is_open(iop);
 
   /*
-   *  Now process the fchmod().
-   */
-
-  rtems_libio_check_permissions( iop, LIBIO_FLAGS_READ );
-
-  /*
    * Verify you can change directory into this node.
    */
 
diff --git a/cpukit/libcsupport/src/fdatasync.c b/cpukit/libcsupport/src/fdatasync.c
index c2b4db43ae..5a7ba4244a 100644
--- a/cpukit/libcsupport/src/fdatasync.c
+++ b/cpukit/libcsupport/src/fdatasync.c
@@ -1,7 +1,7 @@
 /*
  *  fdatasync() - POSIX 1003.1b 6.6.2 - Synchronize the Data of a File
  *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -29,7 +29,7 @@ int fdatasync(
   rtems_libio_check_fd( fd );
   iop = rtems_libio_iop( fd );
   rtems_libio_check_is_open(iop);
-  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
+  rtems_libio_check_permissions_with_error( iop, LIBIO_FLAGS_WRITE, EBADF );
 
   /*
    *  Now process the fdatasync().
diff --git a/cpukit/libcsupport/src/fpathconf.c b/cpukit/libcsupport/src/fpathconf.c
index accaae1585..71edaf6ce9 100644
--- a/cpukit/libcsupport/src/fpathconf.c
+++ b/cpukit/libcsupport/src/fpathconf.c
@@ -1,7 +1,7 @@
 /*
  *  fpathconf() - POSIX 1003.1b - 5.7.1 - Configurable Pathname Varables
  *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -33,7 +33,6 @@ long fpathconf(
   rtems_libio_check_fd(fd);
   iop = rtems_libio_iop(fd);
   rtems_libio_check_is_open(iop);
-  rtems_libio_check_permissions(iop, LIBIO_FLAGS_READ);
 
   /*
    *  Now process the information request.
diff --git a/cpukit/libcsupport/src/fsync.c b/cpukit/libcsupport/src/fsync.c
index cfd8e8d49b..c7a7745859 100644
--- a/cpukit/libcsupport/src/fsync.c
+++ b/cpukit/libcsupport/src/fsync.c
@@ -1,7 +1,7 @@
 /*
  *  fsync() - POSIX 1003.1b 6.6.1 - Synchronize the State of a File
  *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -29,7 +29,6 @@ int fsync(
   rtems_libio_check_fd( fd );
   iop = rtems_libio_iop( fd );
   rtems_libio_check_is_open(iop);
-  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
 
   /*
    *  Now process the fsync().
diff --git a/cpukit/libcsupport/src/ftruncate.c b/cpukit/libcsupport/src/ftruncate.c
index 6619ca5f74..42026ef123 100644
--- a/cpukit/libcsupport/src/ftruncate.c
+++ b/cpukit/libcsupport/src/ftruncate.c
@@ -32,6 +32,7 @@ int ftruncate(
   rtems_libio_check_fd( fd );
   iop = rtems_libio_iop( fd );
   rtems_libio_check_is_open(iop);
+  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
 
   /*
    *  Now process the ftruncate() request.
diff --git a/cpukit/libcsupport/src/read.c b/cpukit/libcsupport/src/read.c
index 4e44eec4ff..80a5e49435 100644
--- a/cpukit/libcsupport/src/read.c
+++ b/cpukit/libcsupport/src/read.c
@@ -32,7 +32,7 @@ ssize_t read(
   rtems_libio_check_is_open( iop );
   rtems_libio_check_buffer( buffer );
   rtems_libio_check_count( count );
-  rtems_libio_check_permissions( iop, LIBIO_FLAGS_READ );
+  rtems_libio_check_permissions_with_error( iop, LIBIO_FLAGS_READ, EBADF );
 
   /*
    *  Now process the read().
diff --git a/cpukit/libcsupport/src/readv.c b/cpukit/libcsupport/src/readv.c
index cb64797d8d..33e9df3782 100644
--- a/cpukit/libcsupport/src/readv.c
+++ b/cpukit/libcsupport/src/readv.c
@@ -5,7 +5,7 @@
  *
  *  http://www.opengroup.org/onlinepubs/009695399/functions/readv.html
  *
- *  COPYRIGHT (c) 1989-2007.
+ *  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -40,7 +40,7 @@ ssize_t readv(
   rtems_libio_check_fd( fd );
   iop = rtems_libio_iop( fd );
   rtems_libio_check_is_open( iop );
-  rtems_libio_check_permissions( iop, LIBIO_FLAGS_READ );
+  rtems_libio_check_permissions_with_error( iop, LIBIO_FLAGS_READ, EBADF );
 
   /*
    *  Argument validation on IO vector
diff --git a/cpukit/libcsupport/src/write.c b/cpukit/libcsupport/src/write.c
index 3bda204015..468dffb036 100644
--- a/cpukit/libcsupport/src/write.c
+++ b/cpukit/libcsupport/src/write.c
@@ -39,7 +39,7 @@ ssize_t write(
   rtems_libio_check_is_open( iop );
   rtems_libio_check_buffer( buffer );
   rtems_libio_check_count( count );
-  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
+  rtems_libio_check_permissions_with_error( iop, LIBIO_FLAGS_WRITE, EBADF );
 
   /*
    *  Now process the write() request.
diff --git a/cpukit/libcsupport/src/writev.c b/cpukit/libcsupport/src/writev.c
index a453209d87..d00c0a071b 100644
--- a/cpukit/libcsupport/src/writev.c
+++ b/cpukit/libcsupport/src/writev.c
@@ -5,7 +5,7 @@
  *
  *  http://www.opengroup.org/onlinepubs/009695399/functions/writev.html
  *
- *  COPYRIGHT (c) 1989-2007.
+ *  COPYRIGHT (c) 1989-2011.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -41,7 +41,7 @@ ssize_t writev(
   rtems_libio_check_fd( fd );
   iop = rtems_libio_iop( fd );
   rtems_libio_check_is_open( iop );
-  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
+  rtems_libio_check_permissions_with_error( iop, LIBIO_FLAGS_WRITE, EBADF );
 
   /*
    *  Argument validation on IO vector