diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/label.c | 3 | ||||
| -rw-r--r-- | src/main.c | 6 | ||||
| -rw-r--r-- | src/selinux-setup.c | 64 | ||||
| -rw-r--r-- | src/selinux-setup.h | 27 |
4 files changed, 100 insertions, 0 deletions
diff --git a/src/label.c b/src/label.c index 809b1ee646..01f36eb6cc 100644 --- a/src/label.c +++ b/src/label.c @@ -51,6 +51,9 @@ int label_init(void) { if (!use_selinux()) return 0; + if (label_hnd) + return 0; + label_hnd = selabel_open(SELABEL_CTX_FILE, NULL, 0); if (!label_hnd) { log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG, diff --git a/src/main.c b/src/main.c index 83cf2e7057..f7d76a2941 100644 --- a/src/main.c +++ b/src/main.c @@ -39,6 +39,7 @@ #include "loopback-setup.h" #include "kmod-setup.h" #include "locale-setup.h" +#include "selinux-setup.h" #include "load-fragment.h" #include "fdset.h" #include "special.h" @@ -895,6 +896,11 @@ int main(int argc, char *argv[]) { arg_running_as = MANAGER_SYSTEM; log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); + /* This might actually not return, but cause a + * reexecution */ + if (selinux_setup(argv) < 0) + goto finish; + if (label_init() < 0) goto finish; } else { diff --git a/src/selinux-setup.c b/src/selinux-setup.c new file mode 100644 index 0000000000..d4da693ca4 --- /dev/null +++ b/src/selinux-setup.c @@ -0,0 +1,64 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <unistd.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> + +#ifdef HAVE_SELINUX +#include <selinux/selinux.h> +#endif + +#include "selinux-setup.h" +#include "macro.h" +#include "util.h" +#include "log.h" + +int selinux_setup(char *const argv[]) { +#ifdef HAVE_SELINUX + int enforce = 0; + + /* Already initialized? */ + if (path_is_mount_point("/selinux") > 0) + return 0; + + if (selinux_init_load_policy(&enforce) == 0) { + log_info("Successfully loaded SELinux policy, reexecuting."); + + /* FIXME: Ideally we'd just call setcon() here instead + * of having to reexecute ourselves here. */ + + execv(SYSTEMD_BINARY_PATH, argv); + log_error("Failed to reexecute: %m"); + return -errno; + + } else { + log_full(enforce > 0 ? LOG_ERR : LOG_DEBUG, "Failed to load SELinux policy."); + + if (enforce > 0) + return -EIO; + } +#endif + + return 0; +} diff --git a/src/selinux-setup.h b/src/selinux-setup.h new file mode 100644 index 0000000000..53dbb65f3e --- /dev/null +++ b/src/selinux-setup.h @@ -0,0 +1,27 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#ifndef fooselinuxsetuphfoo +#define fooselinuxsetuphfoo + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +int selinux_setup(char *const argv[]); + +#endif |