openssh/openssh-6.1p1-privsep-selinux.patch

diff -up openssh-6.1p1/openbsd-compat/port-linux.c.privsep-selinux openssh-6.1p1/openbsd-compat/port-linux.c
--- openssh-6.1p1/openbsd-compat/port-linux.c.privsep-selinux	2012-11-05 14:46:39.334809203 +0100
+++ openssh-6.1p1/openbsd-compat/port-linux.c	2012-11-05 14:54:32.614504884 +0100
@@ -505,6 +505,25 @@ ssh_selinux_change_context(const char *n
 	xfree(newctx);
 }
 
+void
+ssh_selinux_copy_context(void)
+{
+	security_context_t *ctx;
+
+	if (!ssh_selinux_enabled())
+		return;
+
+	if (getexeccon((security_context_t *)&ctx) != 0) {
+		logit("%s: getcon failed with %s", __func__, strerror (errno));
+		return;
+	}
+	if (ctx != NULL) {
+		if (setcon(ctx) != 0)
+			logit("%s: setcon failed with %s", __func__, strerror (errno));
+		freecon(ctx);
+	}
+}
+
 #endif /* WITH_SELINUX */
 
 #ifdef LINUX_OOM_ADJUST
diff -up openssh-6.1p1/openbsd-compat/port-linux.h.privsep-selinux openssh-6.1p1/openbsd-compat/port-linux.h
--- openssh-6.1p1/openbsd-compat/port-linux.h.privsep-selinux	2011-01-25 02:16:18.000000000 +0100
+++ openssh-6.1p1/openbsd-compat/port-linux.h	2012-11-05 14:46:39.339809234 +0100
@@ -24,6 +24,7 @@ int ssh_selinux_enabled(void);
 void ssh_selinux_setup_pty(char *, const char *);
 void ssh_selinux_setup_exec_context(char *);
 void ssh_selinux_change_context(const char *);
+void ssh_selinux_copy_context(void);
 void ssh_selinux_setfscreatecon(const char *);
 #endif
 
diff -up openssh-6.1p1/session.c.privsep-selinux openssh-6.1p1/session.c
--- openssh-6.1p1/session.c.privsep-selinux	2012-12-03 09:43:11.727505761 +0100
+++ openssh-6.1p1/session.c	2012-12-03 09:54:50.455688902 +0100
@@ -1519,6 +1519,9 @@ do_setusercontext(struct passwd *pw)
 			    pw->pw_uid);
 			chroot_path = percent_expand(tmp, "h", pw->pw_dir,
 			    "u", pw->pw_name, (char *)NULL);
+#ifdef WITH_SELINUX
+			ssh_selinux_copy_context();
+#endif
 			safely_chroot(chroot_path, pw->pw_uid);
 			free(tmp);
 			free(chroot_path);
@@ -1533,6 +1536,12 @@ do_setusercontext(struct passwd *pw)
 		/* Permanently switch to the desired uid. */
 		permanently_set_uid(pw);
 #endif
+
+#ifdef WITH_SELINUX
+		if (options.chroot_directory == NULL ||
+		    strcasecmp(options.chroot_directory, "none") == 0)
+			ssh_selinux_copy_context();
+#endif
 	}
 
 	if (getuid() != pw->pw_uid || geteuid() != pw->pw_uid)
@@ -1787,9 +1796,6 @@ do_child(Session *s, const char *command
 		argv[i] = NULL;
 		optind = optreset = 1;
 		__progname = argv[0];
-#ifdef WITH_SELINUX
-		ssh_selinux_change_context("sftpd_t");
-#endif
 		exit(sftp_server_main(i, argv, s->pw));
 	}
 
diff -up openssh-6.1p1/sshd.c.privsep-selinux openssh-6.1p1/sshd.c
--- openssh-6.1p1/sshd.c.privsep-selinux	2013-02-24 11:29:32.997823377 +0100
+++ openssh-6.1p1/sshd.c	2013-02-24 11:43:34.171182720 +0100
@@ -653,6 +653,10 @@ privsep_preauth_child(void)
 	/* Demote the private keys to public keys. */
 	demote_sensitive_data();
 
+#ifdef WITH_SELINUX
+	ssh_selinux_change_context("sshd_net_t");
+#endif
+
 	/* Change our root directory */
 	if (chroot(_PATH_PRIVSEP_CHROOT_DIR) == -1)
 		fatal("chroot(\"%s\"): %s", _PATH_PRIVSEP_CHROOT_DIR,
@@ -794,6 +798,13 @@ privsep_postauth(Authctxt *authctxt)
 	do_setusercontext(authctxt->pw);
 
  skip:
+#ifdef WITH_SELINUX
+	/* switch SELinux content for root too */
+	if (authctxt->pw->pw_uid == 0) {
+		ssh_selinux_copy_context();
+	}
+#endif
+
 	/* It is safe now to apply the key state */
 	monitor_apply_keystate(pmonitor);