static int cached_use = -1;
static struct selabel_handle *label_hnd = NULL;
+
+#define log_enforcing(...) log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG, __VA_ARGS__)
#endif
bool mac_selinux_use(void) {
label_hnd = selabel_open(SELABEL_CTX_FILE, NULL, 0);
if (!label_hnd) {
- log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG,
- "Failed to initialize SELinux context: %m");
+ log_enforcing("Failed to initialize SELinux context: %m");
r = security_getenforce() == 1 ? -errno : 0;
} else {
char timespan[FORMAT_TIMESPAN_MAX];
return r;
}
+void mac_selinux_finish(void) {
+
+#ifdef HAVE_SELINUX
+ if (!label_hnd)
+ return;
+
+ selabel_close(label_hnd);
+#endif
+}
+
int mac_selinux_fix(const char *path, bool ignore_enoent, bool ignore_erofs) {
- int r = 0;
#ifdef HAVE_SELINUX
struct stat st;
+ int r;
assert(path);
if (ignore_erofs && errno == EROFS)
return 0;
- log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG, "Unable to fix SELinux label of %s: %m", path);
- r = security_getenforce() == 1 ? -errno : 0;
+ log_enforcing("Unable to fix SELinux security context of %s: %m", path);
+ if (security_getenforce() == 1)
+ return -errno;
}
#endif
- return r;
+ return 0;
}
-void mac_selinux_finish(void) {
+int mac_selinux_apply(const char *path, const char *label) {
#ifdef HAVE_SELINUX
- if (!label_hnd)
- return;
+ assert(path);
+ assert(label);
- selabel_close(label_hnd);
+ if (!mac_selinux_use())
+ return 0;
+
+ if (setfilecon(path, (security_context_t) label) < 0) {
+ log_enforcing("Failed to set SELinux security context %s on path %s: %m", label, path);
+ if (security_getenforce() == 1)
+ return -errno;
+ }
#endif
+ return 0;
}
int mac_selinux_get_create_label_from_exe(const char *exe, char **label) {
return r;
}
-int mac_selinux_context_set(const char *path, mode_t mode) {
+void mac_selinux_free(char *label) {
+
+#ifdef HAVE_SELINUX
+ if (!mac_selinux_use())
+ return;
+
+ freecon((security_context_t) label);
+#endif
+}
+
+int mac_selinux_create_file_prepare(const char *path, mode_t mode) {
int r = 0;
#ifdef HAVE_SELINUX
_cleanup_security_context_free_ security_context_t filecon = NULL;
- if (!mac_selinux_use() || !label_hnd)
+ assert(path);
+
+ if (!label_hnd)
return 0;
r = selabel_lookup_raw(label_hnd, &filecon, path, mode);
else if (r == 0) {
r = setfscreatecon(filecon);
if (r < 0) {
- log_error("Failed to set SELinux file context on %s: %m", path);
+ log_enforcing("Failed to set SELinux security context %s for %s: %m", filecon, path);
r = -errno;
}
}
return r;
}
-int mac_selinux_socket_set(const char *label) {
-
-#ifdef HAVE_SELINUX
- if (!mac_selinux_use())
- return 0;
-
- if (setsockcreatecon((security_context_t) label) < 0) {
- log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG,
- "Failed to set SELinux context (%s) on socket: %m", label);
-
- if (security_getenforce() == 1)
- return -errno;
- }
-#endif
-
- return 0;
-}
-
-void mac_selinux_context_clear(void) {
+void mac_selinux_create_file_clear(void) {
#ifdef HAVE_SELINUX
PROTECT_ERRNO;
#endif
}
-void mac_selinux_socket_clear(void) {
+int mac_selinux_create_socket_prepare(const char *label) {
#ifdef HAVE_SELINUX
- PROTECT_ERRNO;
-
if (!mac_selinux_use())
- return;
+ return 0;
- setsockcreatecon(NULL);
+ assert(label);
+
+ if (setsockcreatecon((security_context_t) label) < 0) {
+ log_enforcing("Failed to set SELinux security context %s for sockets: %m", label);
+
+ if (security_getenforce() == 1)
+ return -errno;
+ }
#endif
+
+ return 0;
}
-void mac_selinux_free(const char *label) {
+void mac_selinux_create_socket_clear(void) {
#ifdef HAVE_SELINUX
+ PROTECT_ERRNO;
+
if (!mac_selinux_use())
return;
- freecon((security_context_t) label);
+ setsockcreatecon(NULL);
#endif
}
int mac_selinux_mkdir(const char *path, mode_t mode) {
- int r = 0;
-#ifdef HAVE_SELINUX
/* Creates a directory and labels it according to the SELinux policy */
+
+#ifdef HAVE_SELINUX
_cleanup_security_context_free_ security_context_t fcon = NULL;
+ int r;
+
+ assert(path);
if (!label_hnd)
- return 0;
+ goto skipped;
if (path_is_absolute(path))
r = selabel_lookup_raw(label_hnd, &fcon, path, S_IFDIR);
r = setfscreatecon(fcon);
if (r < 0 && errno != ENOENT) {
- log_error("Failed to set security context %s for %s: %m", fcon, path);
+ log_enforcing("Failed to set SELinux security context %s for %s: %m", fcon, path);
if (security_getenforce() == 1) {
r = -errno;
finish:
setfscreatecon(NULL);
-#endif
-
return r;
+
+skipped:
+#endif
+ return mkdir(path, mode) < 0 ? -errno : 0;
}
int mac_selinux_bind(int fd, const struct sockaddr *addr, socklen_t addrlen) {
assert(addr);
assert(addrlen >= sizeof(sa_family_t));
- if (!mac_selinux_use() || !label_hnd)
+ if (!label_hnd)
goto skipped;
/* Filter out non-local sockets */
r = setfscreatecon(fcon);
if (r < 0 && errno != ENOENT) {
- log_error("Failed to set security context %s for %s: %m", fcon, path);
+ log_enforcing("Failed to set SELinux security context %s for %s: %m", fcon, path);
if (security_getenforce() == 1) {
r = -errno;
#endif
return bind(fd, addr, addrlen) < 0 ? -errno : 0;
}
-
-int mac_selinux_apply(const char *path, const char *label) {
- int r = 0;
-
-#ifdef HAVE_SELINUX
- if (!mac_selinux_use())
- return 0;
-
- r = setfilecon(path, (char *)label);
-#endif
- return r;
-}