1 files changed, 107 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/faccessat.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/faccessat.c
new file mode 100644
index 0000000000..9648352ca5
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/faccessat.c
@@ -0,0 +1,107 @@
+/* Test for access to file, relative to open directory.  OpenSolaris version.
+   Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   OpenSolaris bits contributed by David Bartley
+    <dtbartle@csclub.uwaterloo.ca>, 2009.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#define E_OK 010
+
+DECLARE_INLINE_SYSCALL (int, accessat, int, const char *, int);
+
+int
+faccessat (fd, file, type, flag)
+     int fd;
+     const char *file;
+     int type;
+     int flag;
+{
+  if (file == NULL || (flag & ~(AT_EACCESS)) != 0
+      || (type & ~(R_OK|W_OK|X_OK|F_OK|E_OK)) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd < 0 && fd != AT_FDCWD)
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  if (flag & AT_EACCESS)
+    {
+      type |= E_OK;
+    }
+
+  int res = INLINE_SYSCALL (accessat, 3, fd, file, type);
+
+  /* XXX: This should really be fixed in the kernel.  */
+  if (res == 0 && (type & X_OK))
+    {
+      uid_t uid;
+      gid_t gid;
+
+      uid = (type & E_OK) ? geteuid () : getuid ();
+      gid = (type & E_OK) ? getegid () : getgid ();
+      if (uid == 0 || gid == 0)
+        {
+          struct stat buf;
+
+          if (fstatat (fd, file, &buf, 0) != 0)
+            return -1;
+
+          /* Test user bit.  */
+          if (uid == buf.st_uid)
+            {
+              if ((buf.st_mode & S_IXUSR) == 0)
+                {
+                  __set_errno (EACCES);
+                  return -1;
+                }
+              return 0;
+            }
+
+          /* Test gid bit.  */
+          if (gid == buf.st_gid)
+            {
+              if ((buf.st_mode & S_IXGRP) == 0)
+                {
+                  __set_errno (EACCES);
+                  return -1;
+                }
+              return 0;
+            }
+
+          /* Test other bit.  */
+          if ((buf.st_mode & S_IXOTH) == 0)
+            {
+              __set_errno (EACCES);
+              return -1;
+            }
+          return 0;
+        }
+    }
+
+  return res;
+}