smack: minimize ifdef use, and move all labeling to smack-util.c

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/udev/smack-util.c b/src/udev/smack-util.c
index 93c0d4a347..2711041c7e 100644
--- a/src/udev/smack-util.c
+++ b/src/udev/smack-util.c
@@ -40,3 +40,50 @@ bool use_smack(void) {
 #endif
 
 }
+
+int smack_label_path(const char *path, const char *label) {
+#ifdef HAVE_SMACK
+        if (!use_smack())
+                return 0;
+
+        if (label)
+                return setxattr(path, "security.SMACK64", label, strlen(label), 0);
+        else
+                return lremovexattr(path, "security.SMACK64");
+#else
+        return 0;
+#endif
+}
+
+int smack_label_fd(int fd, const char *label) {
+#ifdef HAVE_SMACK
+        if (!use_smack())
+                return 0;
+
+        return fsetxattr(fd, "security.SMACK64", label, strlen(label), 0);
+#else
+        return 0;
+#endif
+}
+
+int smack_label_ip_out_fd(int fd, const char *label) {
+#ifdef HAVE_SMACK
+        if (!use_smack())
+                return 0;
+
+        return fsetxattr(fd, "security.SMACK64IPOUT", label, strlen(label), 0);
+#else
+        return 0;
+#endif
+}
+
+int smack_label_ip_in_fd(int fd, const char *label) {
+#ifdef HAVE_SMACK
+        if (!use_smack())
+                return 0;
+
+        return fsetxattr(fd, "security.SMACK64IPIN", label, strlen(label), 0);
+#else
+        return 0;
+#endif
+}