Really fix the bug [perl #33990].

NB. -DIAMSUID is only set to compile sperl.o.

p4raw-id: //depot/perl@23906

diff --git a/perlio.c b/perlio.c
index 85bc755..768b8eb 100644 (file)
--- a/perlio.c
+++ b/perlio.c
@@ -450,12 +450,11 @@ void PerlIO_debug(const char *fmt, ...)
 void
 PerlIO_debug(const char *fmt, ...)
 {
-#ifdef IAMSUID
     static int dbg = 0;
     va_list ap;
     dSYS;
     va_start(ap, fmt);
-    if (!dbg) {
+    if (!dbg && !PL_tainting && PL_uid == PL_euid && PL_gid == PL_egid) {
        char *s = PerlEnv_getenv("PERLIO_DEBUG");
        if (s && *s)
            dbg = PerlLIO_open3(s, O_WRONLY | O_CREAT | O_APPEND, 0666);
@@ -493,7 +492,6 @@ PerlIO_debug(const char *fmt, ...)
 #endif
     }
     va_end(ap);
-#endif /* IAMSUID */
 }
 
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