+/* taint.c
+ *
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
+ */
+
/*
* "...we will have peace, when you and all your works have perished--and
* the works of your dark master to whom you would deliver us. You are a
{
char *ug;
-#ifdef HAS_SETEUID
- DEBUG_u(PerlIO_printf(Perl_debug_log,
- "%s %d %"Uid_t_f" %"Uid_t_f"\n", s, PL_tainted, (Uid_t)PL_uid, (Uid_t)PL_euid));
+#if defined(HAS_SETEUID) && defined(DEBUGGING)
+# if Uid_t_size == 1
+ {
+ UV uid = PL_uid;
+ UV euid = PL_euid;
+
+ DEBUG_u(PerlIO_printf(Perl_debug_log,
+ "%s %d %"UVuf" %"UVuf"\n",
+ s, PL_tainted, uid, euid));
+ }
+# else
+ {
+ IV uid = PL_uid;
+ IV euid = PL_euid;
+
+ DEBUG_u(PerlIO_printf(Perl_debug_log,
+ "%s %d %"IVdf" %"IVdf"\n",
+ s, PL_tainted, uid, euid));
+ }
+# endif
#endif
if (PL_tainted) {
ug = " while running setuid";
else if (PL_egid != PL_gid)
ug = " while running setgid";
- else
+ else if (PL_taint_warn)
+ ug = " while running with -t switch";
+ else
ug = " while running with -T switch";
- if (!PL_unsafe)
- Perl_croak(aTHX_ f, s, ug);
- else if (ckWARN(WARN_TAINT))
- Perl_warner(aTHX_ WARN_TAINT, f, s, ug);
+ if (PL_unsafe || PL_taint_warn) {
+ if(ckWARN(WARN_TAINT))
+ Perl_warner(aTHX_ packWARN(WARN_TAINT), f, s, ug);
+ }
+ else {
+ Perl_croak(aTHX_ f, s, ug);
+ }
}
}
NULL
};
+ /* Don't bother if there's no *ENV glob */
if (!PL_envgv)
return;
+ /* If there's no %ENV hash of if it's not magical, croak, because
+ * it probably doesn't reflect the actual environment */
+ if (!GvHV(PL_envgv) || !(SvRMAGICAL(GvHV(PL_envgv))
+ && mg_find((SV*)GvHV(PL_envgv), PERL_MAGIC_env))) {
+ bool was_tainted = PL_tainted;
+ char *name = GvENAME(PL_envgv);
+ PL_tainted = TRUE;
+ if (strEQ(name,"ENV"))
+ /* hash alias */
+ taint_proper("%%ENV is aliased to %s%s", "another variable");
+ else
+ /* glob alias: report it in the error message */
+ taint_proper("%%ENV is aliased to %%%s%s", name);
+ /* this statement is reached under -t or -U */
+ PL_tainted = was_tainted;
+ }
#ifdef VMS
{
PL_tainted = was_tainted;
if (t < e && isALNUM(*t))
t++;
- while (t < e && (isALNUM(*t) || *t == '-' || *t == ':'))
+ while (t < e && (isALNUM(*t) || strchr("-_.+", *t)))
t++;
if (t < e) {
TAINT;