X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=taint.c;h=e163eb4135514914fb100482a78f51e17b8ec6b6;hb=a9ef352ac26829339bf17aa20568b3bde2fb1dd0;hp=05a1a44d04818282f8a351318d173741bd6ee9b8;hpb=599cee73f2261c5e09cde7ceba3f9a896989e117;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/taint.c b/taint.c
index 05a1a44..e163eb4 100644
--- a/taint.c
+++ b/taint.c
@@ -17,6 +17,8 @@ taint_proper(const char *f, char *s)
             "%s %d %d %d\n", s, PL_tainted, PL_uid, PL_euid));
 
     if (PL_tainted) {
+	if (!f)
+	    f = PL_no_security;
 	if (PL_euid != PL_uid)
 	    ug = " while running setuid";
 	else if (PL_egid != PL_gid)
@@ -44,7 +46,11 @@ taint_env(void)
 	NULL
     };
 
+    if (!PL_envgv)
+	return;
+
 #ifdef VMS
+    {
     int i = 0;
     char name[10 + TYPE_DIGITS(int)] = "DCL$PATH";
 
@@ -66,6 +72,7 @@ taint_env(void)
 	}
 	i++;
     }
+  }
 #endif /* VMS */
 
     svp = hv_fetch(GvHVn(PL_envgv),"PATH",4,FALSE);
@@ -87,9 +94,10 @@ taint_env(void)
     svp = hv_fetch(GvHVn(PL_envgv),"TERM",4,FALSE);
     if (svp && *svp && SvTAINTED(*svp)) {
     	dTHR;	/* just for taint */
+	STRLEN n_a;
 	bool was_tainted = PL_tainted;
-	char *t = SvPV(*svp, PL_na);
-	char *e = t + PL_na;
+	char *t = SvPV(*svp, n_a);
+	char *e = t + n_a;
 	PL_tainted = was_tainted;
 	if (t < e && isALNUM(*t))
 	    t++;