72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <unistd.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef HAVE_SELINUX
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#include <selinux/selinux.h>
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#endif
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#include "selinux-setup.h"
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#include "macro.h"
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#include "util.h"
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#include "log.h"
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int selinux_setup(char *const argv[]) {
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#ifdef HAVE_SELINUX
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int enforce = 0;
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/* Already initialized? */
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if (path_is_mount_point("/selinux") > 0)
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return 0;
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/* Before we load the policy we create a flag file to ensure
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* that after the reexec we iterate through /run and /dev to
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* relabel things. */
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touch("/dev/.systemd-relabel-run-dev");
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if (selinux_init_load_policy(&enforce) == 0) {
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log_debug("Successfully loaded SELinux policy, reexecuting.");
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/* FIXME: Ideally we'd just call setcon() here instead
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* of having to reexecute ourselves here. */
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execv(SYSTEMD_BINARY_PATH, argv);
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log_error("Failed to reexecute: %m");
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return -errno;
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} else {
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log_full(enforce > 0 ? LOG_ERR : LOG_WARNING, "Failed to load SELinux policy.");
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unlink("/dev/.systemd-relabel-run-dev");
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if (enforce > 0)
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return -EIO;
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}
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#endif
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return 0;
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}
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