checks that dependent libs are not promoted to RTLD_GLOBAL by mistake

2 files changed, 66 insertions, 0 deletions

diff --git a/regress/libexec/ld.so/dlsym/test2/prog4/Makefile b/regress/libexec/ld.so/dlsym/test2/prog4/Makefile
new file mode 100644
index 00000000000..053594cf06b
--- /dev/null
+++ b/regress/libexec/ld.so/dlsym/test2/prog4/Makefile
@@ -0,0 +1,12 @@
+#	$OpenBSD: Makefile,v 1.1.1.1 2005/09/19 01:26:46 kurt Exp $
+
+PROG=		prog4
+SRCS=		main.c
+LDADD+=		-laa
+LDFLAGS+=	-Wl,-E
+LDFLAGS+=	-Wl,-rpath,$(AA_OBJDIR)
+LDFLAGS+=	-Wl,-rpath,$(BB_OBJDIR)
+LDFLAGS+=	-Wl,-rpath,$(CC_OBJDIR)
+LDFLAGS+=	-L$(AA_OBJDIR)
+
+.include <bsd.regress.mk>
diff --git a/regress/libexec/ld.so/dlsym/test2/prog4/main.c b/regress/libexec/ld.so/dlsym/test2/prog4/main.c
new file mode 100644
index 00000000000..2296c055bd2
--- /dev/null
+++ b/regress/libexec/ld.so/dlsym/test2/prog4/main.c
@@ -0,0 +1,54 @@
+/*	$OpenBSD: main.c,v 1.1.1.1 2005/09/19 01:26:46 kurt Exp $	*/
+
+/*
+ * Copyright (c) 2005 Kurt Miller <kurt@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <dlfcn.h>
+#include <stdio.h>
+
+int mainSymbol;
+
+/*
+ * checks that dependent libs are not promoted to RTLD_GLOBAL by mistake.
+ */
+int
+main()
+{
+	int ret = 0;
+	void *libbb = dlopen("libbb.so", RTLD_LAZY);
+	void *libcc = dlopen("libcc.so", RTLD_LAZY);
+
+	if (libbb == NULL) {
+		printf("dlopen(\"libbb.so\", RTLD_LAZY) FAILED\n");
+		return (1);
+	}
+
+	if (libcc == NULL) {
+		printf("dlopen(\"libcc.so\", RTLD_LAZY) FAILED\n");
+		return (1);
+	}
+
+	/* RTLD_DEFAULT should *not* see ccSymbol */
+	if (dlsym(RTLD_DEFAULT, "ccSymbol") != NULL) {
+		printf("dlsym(RTLD_DEFAULT, \"ccSymbol\") != NULL\n");
+		ret = 1;
+	}
+
+	dlclose(libbb);
+	dlclose(libcc);
+
+	return (ret);
+}