- struct stat st;
- ssize_t policy_size = 0, written = 0;
- char *policy;
- int policyfd = -1, imafd = -1;
- int result = 0;
-
-#ifndef HAVE_SELINUX
- /* Mount the securityfs filesystem */
- mount_setup_early();
-#endif
-
- if (stat(IMA_POLICY_PATH, &st) < 0)
- return 0;
-
- policy_size = st.st_size;
- if (stat(IMA_SECFS_DIR, &st) < 0) {
- log_debug("IMA support is disabled in the kernel, ignoring.");
- return 0;
- }
-
- if (stat(IMA_SECFS_POLICY, &st) < 0) {
- log_error("Another IMA custom policy has already been loaded, "
- "ignoring.");
- return 0;
- }
-
- policyfd = open(IMA_POLICY_PATH, O_RDONLY|O_CLOEXEC);
- if (policyfd < 0) {
- log_error("Failed to open the IMA custom policy file %s (%m), "
- "ignoring.", IMA_POLICY_PATH);
- return 0;
- }
-
- imafd = open(IMA_SECFS_POLICY, O_WRONLY|O_CLOEXEC);
- if (imafd < 0) {
- log_error("Failed to open the IMA kernel interface %s (%m), "
- "ignoring.", IMA_SECFS_POLICY);
- goto out;
- }
-
- policy = mmap(NULL, policy_size, PROT_READ, MAP_PRIVATE, policyfd, 0);
- if (policy == MAP_FAILED) {
- log_error("mmap() failed (%m), freezing");
- result = -errno;
- goto out;
- }
-
- written = loop_write(imafd, policy, (size_t)policy_size, false);
- if (written != policy_size) {
- log_error("Failed to load the IMA custom policy file %s (%m), "
- "ignoring.", IMA_POLICY_PATH);
- goto out_mmap;
- }
-
- log_info("Successfully loaded the IMA custom policy %s.",
- IMA_POLICY_PATH);
+ struct stat st;
+ ssize_t policy_size = 0, written = 0;
+ char *policy;
+ _cleanup_close_ int policyfd = -1, imafd = -1;
+ int result = 0;
+
+ if (stat(IMA_POLICY_PATH, &st) < 0)
+ return 0;
+
+ policy_size = st.st_size;
+ if (stat(IMA_SECFS_DIR, &st) < 0) {
+ log_debug("IMA support is disabled in the kernel, ignoring.");
+ return 0;
+ }
+
+ if (stat(IMA_SECFS_POLICY, &st) < 0) {
+ log_error("Another IMA custom policy has already been loaded, "
+ "ignoring.");
+ return 0;
+ }
+
+ policyfd = open(IMA_POLICY_PATH, O_RDONLY|O_CLOEXEC);
+ if (policyfd < 0) {
+ log_error("Failed to open the IMA custom policy file %s (%m), "
+ "ignoring.", IMA_POLICY_PATH);
+ return 0;
+ }
+
+ imafd = open(IMA_SECFS_POLICY, O_WRONLY|O_CLOEXEC);
+ if (imafd < 0) {
+ log_error("Failed to open the IMA kernel interface %s (%m), "
+ "ignoring.", IMA_SECFS_POLICY);
+ goto out;
+ }
+
+ policy = mmap(NULL, policy_size, PROT_READ, MAP_PRIVATE, policyfd, 0);
+ if (policy == MAP_FAILED) {
+ log_error("mmap() failed (%m), freezing");
+ result = -errno;
+ goto out;
+ }
+
+ written = loop_write(imafd, policy, (size_t)policy_size, false);
+ if (written != policy_size) {
+ log_error("Failed to load the IMA custom policy file %s (%m), "
+ "ignoring.", IMA_POLICY_PATH);
+ goto out_mmap;
+ }
+
+ log_info("Successfully loaded the IMA custom policy %s.",
+ IMA_POLICY_PATH);