1 files changed, 73 insertions, 0 deletions
diff --git a/libselinux/src/getfilecon.c b/libselinux/src/getfilecon.c
new file mode 100644
index 00000000..67e4463d
--- /dev/null
+++ b/libselinux/src/getfilecon.c
@@ -0,0 +1,73 @@
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include "selinux_internal.h"
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/xattr.h>
+#include "policy.h"
+
+int getfilecon_raw(const char *path, security_context_t * context)
+{
+	char *buf;
+	ssize_t size;
+	ssize_t ret;
+
+	size = INITCONTEXTLEN + 1;
+	buf = malloc(size);
+	if (!buf)
+		return -1;
+	memset(buf, 0, size);
+
+	ret = getxattr(path, XATTR_NAME_SELINUX, buf, size - 1);
+	if (ret < 0 && errno == ERANGE) {
+		char *newbuf;
+
+		size = getxattr(path, XATTR_NAME_SELINUX, NULL, 0);
+		if (size < 0)
+			goto out;
+
+		size++;
+		newbuf = realloc(buf, size);
+		if (!newbuf)
+			goto out;
+
+		buf = newbuf;
+		memset(buf, 0, size);
+		ret = getxattr(path, XATTR_NAME_SELINUX, buf, size - 1);
+	}
+      out:
+	if (ret == 0) {
+		/* Re-map empty attribute values to errors. */
+		errno = EOPNOTSUPP;
+		ret = -1;
+	}
+	if (ret < 0)
+		free(buf);
+	else
+		*context = buf;
+	return ret;
+}
+
+hidden_def(getfilecon_raw)
+
+int getfilecon(const char *path, security_context_t * context)
+{
+	int ret;
+	security_context_t rcontext;
+
+	*context = NULL;
+
+	ret = getfilecon_raw(path, &rcontext);
+
+	if (ret > 0) {
+		ret = selinux_raw_to_trans_context(rcontext, context);
+		freecon(rcontext);
+	}
+	if (ret >= 0 && *context)
+		return strlen(*context) + 1;
+
+	return ret;
+}
+
+hidden_def(getfilecon)