2eec67acbb
This patch removes includes that are not used. The removals were found with include-what-you-use which checks if any of the symbols from a header is in use.
75 lines
2.5 KiB
C
75 lines
2.5 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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Copyright (C) 2012 Roberto Sassu - Politecnico di Torino, Italy
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TORSEC group -- http://security.polito.it
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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 Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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 <errno.h>
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#include <fcntl.h>
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#include "ima-setup.h"
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#include "copy.h"
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#include "util.h"
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#include "log.h"
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#define IMA_SECFS_DIR "/sys/kernel/security/ima"
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#define IMA_SECFS_POLICY IMA_SECFS_DIR "/policy"
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#define IMA_POLICY_PATH "/etc/ima/ima-policy"
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int ima_setup(void) {
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int r = 0;
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#ifdef HAVE_IMA
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_cleanup_close_ int policyfd = -1, imafd = -1;
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if (access(IMA_SECFS_DIR, F_OK) < 0) {
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log_debug("IMA support is disabled in the kernel, ignoring.");
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return 0;
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}
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policyfd = open(IMA_POLICY_PATH, O_RDONLY|O_CLOEXEC);
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if (policyfd < 0) {
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log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_WARNING, errno,
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"Failed to open the IMA custom policy file "IMA_POLICY_PATH", ignoring: %m");
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return 0;
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}
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if (access(IMA_SECFS_POLICY, F_OK) < 0) {
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log_warning("Another IMA custom policy has already been loaded, ignoring.");
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return 0;
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}
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imafd = open(IMA_SECFS_POLICY, O_WRONLY|O_CLOEXEC);
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if (imafd < 0) {
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log_error_errno(errno, "Failed to open the IMA kernel interface "IMA_SECFS_POLICY", ignoring: %m");
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return 0;
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}
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r = copy_bytes(policyfd, imafd, (off_t) -1, false);
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if (r < 0)
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log_error_errno(r, "Failed to load the IMA custom policy file "IMA_POLICY_PATH": %m");
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else
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log_info("Successfully loaded the IMA custom policy "IMA_POLICY_PATH".");
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#endif /* HAVE_IMA */
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return r;
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}
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