Add dlopen script to check for unresolved symbols.

Vendors can call "make test_proxymech" from their specfile to make sure
proxymech.so can be properly loaded by the GSSAPI.

Signed-off-by: Günther Deschner <gdeschner@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>

2 files changed, 82 insertions, 0 deletions

diff --git a/proxy/Makefile.am b/proxy/Makefile.am
index 857be35..e786d42 100644
--- a/proxy/Makefile.am
+++ b/proxy/Makefile.am
@@ -312,3 +312,9 @@ prerelease-srpm:
 	mv $(srcdir)/version.m4.orig $(srcdir)/version.m4
 endif
 
+####################
+# Testing          #
+####################
+
+test_proxymech:
+	TMPDIR=tests/scripts/ ./tests/scripts/dlopen.sh ./.libs/proxymech.so || exit 1
diff --git a/proxy/tests/scripts/dlopen.sh b/proxy/tests/scripts/dlopen.sh
new file mode 100755
index 0000000..890cc39
--- /dev/null
+++ b/proxy/tests/scripts/dlopen.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+
+test -n "$TMPDIR" || exit 1
+tempdir="$TMPDIR/dlopentest"
+mkdir -p $tempdir
+cat >> $tempdir/dlopen.c << _EOF
+#include <dlfcn.h>
+#include <stdio.h>
+#include <limits.h>
+#include <sys/stat.h>
+/* Simple program to see if dlopen() would succeed. */
+int main(int argc, char **argv)
+{
+	int i;
+	struct stat st;
+	char buf[PATH_MAX];
+	for (i = 1; i < argc; i++) {
+		if (dlopen(argv[i], RTLD_NOW)) {
+			fprintf(stdout, "dlopen() of \"%s\" succeeded.\n",
+				argv[i]);
+		} else {
+			snprintf(buf, sizeof(buf), "./%s", argv[i]);
+			if ((stat(buf, &st) == 0) && dlopen(buf, RTLD_NOW)) {
+				fprintf(stdout, "dlopen() of \"./%s\" "
+					"succeeded.\n", argv[i]);
+			} else {
+				fprintf(stdout, "dlopen() of \"%s\" failed: "
+					"%s\n", argv[i], dlerror());
+				return 1;
+			}
+		}
+	}
+	return 0;
+}
+_EOF
+
+for arg in $@ ; do
+	case "$arg" in
+	"")
+		;;
+	-I*|-D*|-f*|-m*|-g*|-O*|-W*)
+		cflags="$cflags $arg"
+		;;
+	-l*|-L*)
+		ldflags="$ldflags $arg"
+		;;
+	/*)
+		modules="$modules $arg"
+		;;
+	*)
+		modules="$modules $arg"
+		;;
+	esac
+done
+
+${CC:-gcc} $RPM_OPT_FLAGS $CFLAGS -o $tempdir/dlopen $cflags $tempdir/dlopen.c $ldflags -ldl
+
+retval=0
+for module in $modules ; do
+	case "$module" in
+	"")
+		;;
+	/*)
+		$tempdir/dlopen "$module"
+		retval=$?
+		;;
+	*)
+		$tempdir/dlopen ./"$module"
+		retval=$?
+		;;
+	esac
+done
+
+rm -f $tempdir/dlopen $tempdir/dlopen.c
+rmdir $tempdir
+exit $retval