close-on-exec

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23463 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/hcrypto/rand-fortuna.c

@@ -505,6 +505,7 @@ fortuna_reseed(void)
 	fd = open("/etc/shadow", O_RDONLY, 0);
 	if (fd >= 0) {
 	    ssize_t n;
+	    rk_cloexec(fd);
 	    /* add_entropy will hash the buf */
 	    while ((n = read(fd, (char *)u.shad, sizeof(u.shad))) > 0)
 		add_entropy(&main_state, u.shad, sizeof(u.shad));