New program: chcon

* gl/modules/selinux-at: New module.  Check for libselinux and set
LIB_SELINUX here, unconditionally, rather than depending on
the configure-time --enable-selinux option.
* gl/modules/selinux-h: New module.
* bootstrap.conf (gnulib_modules): Add selinux-at.
* gl/lib/selinux-at.c, gl/lib/selinux-at.h: New files.
* gl/lib/se-selinux_.h: New file.
* gl/lib/se-context_.h: New file.
* gl/m4/selinux-selinux-h.m4: New file.
* gl/m4/selinux-context-h.m4: New file.
* src/Makefile.am (bin_PROGRAMS): Add chcon.
(chcon_LDADD): Define.
* README: Add chcon to the list of programs.
* src/chcon.c: Rewrite the original (Red Hat) chcon to use fts.

1 files changed, 31 insertions, 0 deletions

diff --git a/gl/lib/se-context_.h b/gl/lib/se-context_.h
new file mode 100644
index 000000000..26e1709f1
--- /dev/null
+++ b/gl/lib/se-context_.h
@@ -0,0 +1,31 @@
+#ifndef SELINUX_CONTEXT_H
+# define SELINUX_CONTEXT_H
+
+# include <errno.h>
+/* Some systems don't have ENOSYS.  */
+# ifndef ENOSYS
+#  ifdef ENOTSUP
+#   define ENOSYS ENOTSUP
+#  else
+/* Some systems don't have ENOTSUP either.  */
+#   define ENOSYS EINVAL
+#  endif
+# endif
+
+typedef int context_t;
+static inline context_t context_new (char const *s)
+  { errno = ENOTSUP; return 0; }
+static inline char *context_str (context_t con)
+  { errno = ENOTSUP; return (void *) 0; }
+static inline void context_free (context_t c) {}
+
+static inline int context_user_set (context_t sc, char const *s)
+  { errno = ENOTSUP; return -1; }
+static inline int context_role_set (context_t sc, char const *s)
+  { errno = ENOTSUP; return -1; }
+static inline int context_range_set (context_t sc, char const *s)
+  { errno = ENOTSUP; return -1; }
+static inline int context_type_set (context_t sc, char const *s)
+  { errno = ENOTSUP; return -1; }
+
+#endif