1 files changed, 29 insertions, 0 deletions
diff --git a/contrib/capso/bind.c b/contrib/capso/bind.c
new file mode 100644
index 0000000..609e4e4
--- /dev/null
+++ b/contrib/capso/bind.c
@@ -0,0 +1,29 @@
+/*
+ * Unprivileged program that binds to port 80. It does this by
+ * leveraging a file capable shared library.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include "capso.h"
+
+int main(int argc, char **argv) {
+    int f = bind80("127.0.0.1");
+    if (f < 0) {
+	perror("unable to bind to port 80");
+	exit(1);
+    }
+    if (listen(f, 10) == -1) {
+	perror("unable to listen to port 80");
+	exit(1);
+    }
+    printf("Webserver code to use filedes = %d goes here.\n"
+	   "(Sleeping for 60s... Try 'netstat -tlnp|grep :80')\n", f);
+    fflush(stdout);
+    sleep(60);
+    close(f);
+    printf("Done.\n");
+}