1 files changed, 24 insertions, 0 deletions
diff --git a/gnu/libexec/uucp/libunix/priv.c b/gnu/libexec/uucp/libunix/priv.c
new file mode 100644
index 000000000000..207bd3dbbb9d
--- /dev/null
+++ b/gnu/libexec/uucp/libunix/priv.c
@@ -0,0 +1,24 @@
+/* priv.c
+   See if a user is privileged.  */
+
+#include "uucp.h"
+
+#include "sysdep.h"
+#include "system.h"
+
+/* See whether the user is privileged (for example, only privileged
+   users are permitted to kill arbitrary jobs with uustat).  This is
+   true only for root and uucp.  We check for uucp by seeing if the
+   real user ID and the effective user ID are the same; this works
+   because we should be suid to uucp, so our effective user ID will
+   always be uucp while our real user ID will be whoever ran the
+   program.  */
+
+boolean
+fsysdep_privileged ()
+{
+  uid_t iuid;
+
+  iuid = getuid ();
+  return iuid == 0 || iuid == geteuid ();
+}