Commit da354830 authored by Jiří Klimeš's avatar Jiří Klimeš
Browse files

core: build with SELinux; don't break /etc/hostname context (rh #1070829)

https://bugzilla.redhat.com/show_bug.cgi?id=1070829
parent 0d1bdffe
......@@ -360,6 +360,23 @@ esac
AM_CONDITIONAL(SUSPEND_RESUME_UPOWER, test "x$with_suspend_resume" = "xupower")
AM_CONDITIONAL(SUSPEND_RESUME_SYSTEMD, test "x$with_suspend_resume" = "xsystemd")
# SELinux support
AC_ARG_WITH(selinux, AS_HELP_STRING([--with-selinux=yes|no|auto], [Build with SELinux (default: auto)]),,[with_selinux=auto])
if test "$with_selinux" = "yes" -o "$with_selinux" = "auto"; then
PKG_CHECK_MODULES(SELINUX, libselinux, [have_selinux=yes], [have_selinux=no])
else
have_selinux=no
fi
if test "$with_selinux" = "yes" -a "$have_selinux" = "no"; then
AC_MSG_ERROR([You must have libselinux installed to build --with-selinux=yes.])
fi
if test "$have_selinux" = "yes"; then
AC_DEFINE(HAVE_SELINUX, 1, [Define if you have SELinux support])
else
AC_DEFINE(HAVE_SELINUX, 0, [Define if you have SELinux support])
fi
AM_CONDITIONAL(HAVE_SELINUX, test "${have_selinux}" = "yes")
# libnl support for the linux platform
PKG_CHECK_MODULES(LIBNL, libnl-3.0 >= 3.2.8 libnl-route-3.0 libnl-genl-3.0)
AC_SUBST(LIBNL_CFLAGS)
......@@ -848,6 +865,7 @@ if test "${enable_polkit}" = "yes"; then
else
echo " policykit: no"
fi
echo " selinux: $have_selinux"
echo
echo "Features:"
......
......@@ -27,6 +27,8 @@
#include <errno.h>
#include <net/ethernet.h>
#include <netinet/ether.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <gmodule.h>
#include <glib-object.h>
......@@ -37,6 +39,10 @@
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#ifdef HAVE_SELINUX
#include <selinux/selinux.h>
#endif
#include <nm-setting-connection.h>
#include "common.h"
......@@ -667,8 +673,29 @@ plugin_set_hostname (SCPluginIfcfg *plugin, const char *hostname)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
shvarFile *network;
if (!g_file_set_contents (HOSTNAME_FILE, hostname, -1, NULL)) {
gboolean ret;
#if HAVE_SELINUX
security_context_t se_ctx_prev, se_ctx = NULL;
struct stat file_stat = { .st_mode = 0 };
/* Get default context for HOSTNAME_FILE and set it for fscreate */
stat (HOSTNAME_FILE, &file_stat);
matchpathcon (HOSTNAME_FILE, file_stat.st_mode, &se_ctx);
matchpathcon_fini ();
getfscreatecon (&se_ctx_prev);
setfscreatecon (se_ctx);
#endif
ret = g_file_set_contents (HOSTNAME_FILE, hostname, -1, NULL);
#if HAVE_SELINUX
/* Restore previous context and cleanup */
setfscreatecon (se_ctx_prev);
freecon (se_ctx);
freecon (se_ctx_prev);
#endif
if (!ret) {
PLUGIN_WARN (IFCFG_PLUGIN_NAME, "Could not save hostname: failed to create/open " HOSTNAME_FILE);
return FALSE;
}
......
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