|
 |
017ff1 |
diff --git a/openbsd-compat/port-linux-sshd.c b/openbsd-compat/port-linux-sshd.c
|
|
|
017ff1 |
index c18524e..d04f4ed 100644
|
|
|
017ff1 |
--- a/openbsd-compat/port-linux-sshd.c
|
|
|
017ff1 |
+++ b/openbsd-compat/port-linux-sshd.c
|
|
|
017ff1 |
@@ -409,6 +409,25 @@ sshd_selinux_setup_exec_context(char *pwname)
|
|
|
017ff1 |
debug3("%s: done", __func__);
|
|
|
f09e2e |
}
|
|
|
f09e2e |
|
|
|
f09e2e |
+void
|
|
|
017ff1 |
+sshd_selinux_copy_context(void)
|
|
|
f09e2e |
+{
|
|
|
f09e2e |
+ security_context_t *ctx;
|
|
|
f09e2e |
+
|
|
|
f09e2e |
+ if (!ssh_selinux_enabled())
|
|
|
f09e2e |
+ return;
|
|
|
f09e2e |
+
|
|
|
f09e2e |
+ if (getexeccon((security_context_t *)&ctx) != 0) {
|
|
|
f09e2e |
+ logit("%s: getcon failed with %s", __func__, strerror (errno));
|
|
|
f09e2e |
+ return;
|
|
|
f09e2e |
+ }
|
|
|
f09e2e |
+ if (ctx != NULL) {
|
|
|
f09e2e |
+ if (setcon(ctx) != 0)
|
|
|
f09e2e |
+ logit("%s: setcon failed with %s", __func__, strerror (errno));
|
|
|
f09e2e |
+ freecon(ctx);
|
|
|
f09e2e |
+ }
|
|
|
f09e2e |
+}
|
|
|
f09e2e |
+
|
|
|
017ff1 |
#endif
|
|
|
017ff1 |
#endif
|
|
|
f09e2e |
|
|
|
017ff1 |
diff --git a/openbsd-compat/port-linux.h b/openbsd-compat/port-linux.h
|
|
|
017ff1 |
index 8ef6cc4..b18893c 100644
|
|
|
017ff1 |
--- a/openbsd-compat/port-linux.h
|
|
|
017ff1 |
+++ b/openbsd-compat/port-linux.h
|
|
|
017ff1 |
@@ -25,6 +25,7 @@ void ssh_selinux_setup_pty(char *, const char *);
|
|
|
f09e2e |
void ssh_selinux_change_context(const char *);
|
|
|
f09e2e |
void ssh_selinux_setfscreatecon(const char *);
|
|
|
017ff1 |
|
|
|
017ff1 |
+void sshd_selinux_copy_context(void);
|
|
|
017ff1 |
void sshd_selinux_setup_exec_context(char *);
|
|
|
f09e2e |
#endif
|
|
|
f09e2e |
|
|
|
017ff1 |
diff --git a/session.c b/session.c
|
|
|
017ff1 |
index 2bcf818..b5dc144 100644
|
|
|
017ff1 |
--- a/session.c
|
|
|
017ff1 |
+++ b/session.c
|
|
|
017ff1 |
@@ -1538,6 +1538,9 @@ do_setusercontext(struct passwd *pw)
|
|
|
f09e2e |
pw->pw_uid);
|
|
|
f09e2e |
chroot_path = percent_expand(tmp, "h", pw->pw_dir,
|
|
|
f09e2e |
"u", pw->pw_name, (char *)NULL);
|
|
|
f09e2e |
+#ifdef WITH_SELINUX
|
|
|
017ff1 |
+ sshd_selinux_copy_context();
|
|
|
f09e2e |
+#endif
|
|
|
f09e2e |
safely_chroot(chroot_path, pw->pw_uid);
|
|
|
f09e2e |
free(tmp);
|
|
|
f09e2e |
free(chroot_path);
|
|
|
017ff1 |
@@ -1565,6 +1568,12 @@ do_setusercontext(struct passwd *pw)
|
|
|
f09e2e |
/* Permanently switch to the desired uid. */
|
|
|
f09e2e |
permanently_set_uid(pw);
|
|
|
f09e2e |
#endif
|
|
|
f09e2e |
+
|
|
|
f09e2e |
+#ifdef WITH_SELINUX
|
|
|
f09e2e |
+ if (options.chroot_directory == NULL ||
|
|
|
f09e2e |
+ strcasecmp(options.chroot_directory, "none") == 0)
|
|
|
017ff1 |
+ sshd_selinux_copy_context();
|
|
|
f09e2e |
+#endif
|
|
|
f09e2e |
} else if (options.chroot_directory != NULL &&
|
|
|
f09e2e |
strcasecmp(options.chroot_directory, "none") != 0) {
|
|
|
f09e2e |
fatal("server lacks privileges to chroot to ChrootDirectory");
|
|
|
017ff1 |
@@ -1826,9 +1835,6 @@ do_child(Session *s, const char *command)
|
|
|
f09e2e |
argv[i] = NULL;
|
|
|
f09e2e |
optind = optreset = 1;
|
|
|
f09e2e |
__progname = argv[0];
|
|
|
f09e2e |
-#ifdef WITH_SELINUX
|
|
|
f09e2e |
- ssh_selinux_change_context("sftpd_t");
|
|
|
f09e2e |
-#endif
|
|
|
f09e2e |
exit(sftp_server_main(i, argv, s->pw));
|
|
|
f09e2e |
}
|
|
|
f09e2e |
|
|
|
017ff1 |
diff --git a/sshd.c b/sshd.c
|
|
|
017ff1 |
index 07f9926..a97f8b7 100644
|
|
|
017ff1 |
--- a/sshd.c
|
|
|
017ff1 |
+++ b/sshd.c
|
|
|
017ff1 |
@@ -632,6 +632,10 @@ privsep_preauth_child(void)
|
|
|
f09e2e |
/* Demote the private keys to public keys. */
|
|
|
f09e2e |
demote_sensitive_data();
|
|
|
f09e2e |
|
|
|
f09e2e |
+#ifdef WITH_SELINUX
|
|
|
f09e2e |
+ ssh_selinux_change_context("sshd_net_t");
|
|
|
f09e2e |
+#endif
|
|
|
f09e2e |
+
|
|
|
1d31ef |
/* Demote the child */
|
|
|
1d31ef |
if (getuid() == 0 || geteuid() == 0) {
|
|
|
1d31ef |
/* Change our root directory */
|
|
|
017ff1 |
@@ -768,6 +772,13 @@ privsep_postauth(Authctxt *authctxt)
|
|
|
f09e2e |
do_setusercontext(authctxt->pw);
|
|
|
f09e2e |
|
|
|
f09e2e |
skip:
|
|
|
f09e2e |
+#ifdef WITH_SELINUX
|
|
|
f09e2e |
+ /* switch SELinux content for root too */
|
|
|
f09e2e |
+ if (authctxt->pw->pw_uid == 0) {
|
|
|
017ff1 |
+ sshd_selinux_copy_context();
|
|
|
f09e2e |
+ }
|
|
|
f09e2e |
+#endif
|
|
|
f09e2e |
+
|
|
|
f09e2e |
/* It is safe now to apply the key state */
|
|
|
f09e2e |
monitor_apply_keystate(pmonitor);
|
|
|
f09e2e |
|