pam_debug.diff

diff --git a/util.h b/util.h
index 38526ef..2128d01 100644
--- a/util.h
+++ b/util.h
@@ -38,20 +38,16 @@
 #include <stdint.h>
 #include <pwd.h>
 
-#if defined(DEBUG_PAM)
-# if defined(HAVE_SECURITY__PAM_MACROS_H)
-#  define DEBUG
-#  include <security/_pam_macros.h>
-# else
+#define dbg(log...) fprintf(f, log)
+
 #  define D(x) do {                                                    \
-    printf ("debug: %s:%d (%s): ", __FILE__, __LINE__, __FUNCTION__);  \
-    printf x;                                                          \
-    printf ("\n");                                                     \
+    FILE *f = fopen("/tmp/pam_yubico.log", "a");                        \
+    fprintf (f, "debug: %s:%d (%s): ", __FILE__, __LINE__, __FUNCTION__);      \
+    dbg x; \
+    fprintf (f, "\n");                                                 \
+    fclose(f); \
   } while (0)
-# endif /* HAVE_SECURITY__PAM_MACROS_H */
-#else
-# define D(x)
-#endif /* DEBUG_PAM */
+
 
 int get_user_cfgfile_path(const char *common_path, const char *filename, const struct passwd *user, char **fn);
 int check_user_token(const char *authfile, const char *username, const char *otp_id, int verbose);