From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Mon, 10 Oct 2016 14:38:50 +0000 (-0600)
Subject: Need RTLD_NEXT for wordexp() on dlopen() systems.  It is missing on AIX 5.1 at least.
X-Git-Tag: SUDO_1_8_18p1^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ddbbcb9441cf081b14c8331520114d91cdfb6b9d;p=sudo

Need RTLD_NEXT for wordexp() on dlopen() systems.  It is missing on AIX 5.1 at least.
---

diff --git a/src/sudo_noexec.c b/src/sudo_noexec.c
index ebd3e5e96..64a8b06e5 100644
--- a/src/sudo_noexec.c
+++ b/src/sudo_noexec.c
@@ -164,7 +164,7 @@ FN_NAME(popen)(const char *c, const char *t)
 }
 INTERPOSE(popen)
 
-#ifdef HAVE_WORDEXP
+#if defined(HAVE_WORDEXP) && (defined(RTLD_NEXT) || defined(HAVE_SHL_LOAD) || defined(HAVE___INTERPOSE))
 /*
  * We can't use a wrapper for wordexp(3) since we still want to call
  * the real wordexp(3) but with WRDE_NOCMD added to the flags argument.
@@ -212,7 +212,7 @@ FN_NAME(wordexp)(const char *words, wordexp_t *we, int flags)
 #endif /* HAVE___INTERPOSE */
 }
 INTERPOSE(wordexp)
-#endif /* HAVE_WORDEXP */
+#endif /* HAVE_WORDEXP && (RTLD_NEXT || HAVE_SHL_LOAD || HAVE___INTERPOSE) */
 
 /*
  * On Linux we can use a seccomp() filter to disable exec.