summaryrefslogtreecommitdiffstats
path: root/platform-pledge.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:13:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:13:18 +0000
commit9e7e4ab6617fef1d1681fc2d3e02554264ccc954 (patch)
tree336445493163aa0370cb7830d97ebd8819b2e2c5 /platform-pledge.c
parentInitial commit. (diff)
downloadopenssh-9e7e4ab6617fef1d1681fc2d3e02554264ccc954.tar.xz
openssh-9e7e4ab6617fef1d1681fc2d3e02554264ccc954.zip
Adding upstream version 1:8.4p1.upstream/1%8.4p1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'platform-pledge.c')
-rw-r--r--platform-pledge.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/platform-pledge.c b/platform-pledge.c
new file mode 100644
index 0000000..4a6ec15
--- /dev/null
+++ b/platform-pledge.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2015 Joyent, Inc
+ * Author: Alex Wilson <alex.wilson@joyent.com>
+ *
+ * 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 "includes.h"
+
+#include <sys/types.h>
+
+#include <stdarg.h>
+#include <unistd.h>
+
+#include "platform.h"
+
+#include "openbsd-compat/openbsd-compat.h"
+
+/*
+ * Drop any fine-grained privileges that are not needed for post-startup
+ * operation of ssh-agent
+ *
+ * Should be as close as possible to pledge("stdio cpath unix id proc exec", ...)
+ */
+void
+platform_pledge_agent(void)
+{
+#ifdef USE_SOLARIS_PRIVS
+ /*
+ * Note: Solaris priv dropping is closer to tame() than pledge(), but
+ * we will use what we have.
+ */
+ solaris_drop_privs_root_pinfo_net();
+#endif
+}
+
+/*
+ * Drop any fine-grained privileges that are not needed for post-startup
+ * operation of sftp-server
+ */
+void
+platform_pledge_sftp_server(void)
+{
+#ifdef USE_SOLARIS_PRIVS
+ solaris_drop_privs_pinfo_net_fork_exec();
+#endif
+}
+
+/*
+ * Drop any fine-grained privileges that are not needed for the post-startup
+ * operation of the SSH client mux
+ *
+ * Should be as close as possible to pledge("stdio proc tty", ...)
+ */
+void
+platform_pledge_mux(void)
+{
+#ifdef USE_SOLARIS_PRIVS
+ solaris_drop_privs_root_pinfo_net_exec();
+#endif
+}