[openssh-commits] [openssh] 05/10: upstream commit

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djm pushed a commit to branch master
in repository openssh.

commit b19e1b4ab11884c4f62aee9f8ab53127a4732658
Author: deraadt at openbsd.org <deraadt at openbsd.org>
Date:   Fri Oct 2 01:39:52 2015 +0000

    upstream commit
    
    a sandbox using tame ok djm
    
    Upstream-ID: 4ca24e47895e72f5daaa02f3e3d3e5ca2d820fa3
---
 sandbox-tame.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/sandbox-tame.c b/sandbox-tame.c
new file mode 100644
index 0000000..f94065f
--- /dev/null
+++ b/sandbox-tame.c
@@ -0,0 +1,71 @@
+/* $OpenBSD: sandbox-tame.c,v 1.1 2015/10/02 01:39:52 deraadt Exp $ */
+/*
+ * Copyright (c) 2015 Theo de Raadt <deraadt at mindrot.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 <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/syscall.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <pwd.h>
+
+#include "log.h"
+#include "ssh-sandbox.h"
+#include "xmalloc.h"
+
+struct ssh_sandbox {
+	pid_t child_pid;
+};
+
+struct ssh_sandbox *
+ssh_sandbox_init(void)
+{
+	struct ssh_sandbox *box;
+
+	debug3("%s: preparing tame sandbox", __func__);
+	box = xcalloc(1, sizeof(*box));
+	box->child_pid = 0;
+
+	return box;
+}
+
+void
+ssh_sandbox_child(struct ssh_sandbox *box)
+{
+	if (tame("stdio", NULL) == -1)
+		fatal("%s: tame()", __func__);
+}
+
+void
+ssh_sandbox_parent_finish(struct ssh_sandbox *box)
+{
+	free(box);
+	debug3("%s: finished", __func__);
+}
+
+void
+ssh_sandbox_parent_preauth(struct ssh_sandbox *box, pid_t child_pid)
+{
+	box->child_pid = child_pid;
+	/* Nothing to do here */
+}

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