1 files changed, 69 insertions, 0 deletions
diff --git a/lib/libc/posix1e/cap_set_flag.c b/lib/libc/posix1e/cap_set_flag.c
new file mode 100644
index 0000000..dc4244c
--- /dev/null
+++ b/lib/libc/posix1e/cap_set_flag.c
@@ -0,0 +1,69 @@
+/*-
+ * Copyright (c) 2000 Robert N. M. Watson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+/*
+ * TrustedBSD Project - support for POSIX.1e process capabilities
+ */
+
+#include <sys/types.h>
+#include "namespace.h"
+#include <sys/capability.h>
+#include "un-namespace.h"
+#include <sys/errno.h>
+
+int
+cap_set_flag(cap_t cap_p, cap_flag_t flag, int ncap, cap_value_t caps[],
+	     cap_flag_value_t value)
+{
+	u_int64_t	*mask;
+	int	i;
+
+	switch(flag) {
+	case CAP_EFFECTIVE:
+		mask = &cap_p->c_effective;
+		break;
+	case CAP_INHERITABLE:
+		mask = &cap_p->c_inheritable;
+		break;
+	case CAP_PERMITTED:
+		mask = &cap_p->c_permitted;
+		break;
+	default:
+		return (EINVAL);
+	}
+
+	if (value != CAP_SET && value != CAP_CLEAR)
+		return (EINVAL);
+
+	for (i = 0; i < ncap; i++)
+		if (value == CAP_SET)
+			SET_CAPABILITY(*mask, caps[i]);
+		else
+			UNSET_CAPABILITY(*mask, caps[i]);
+	
+	return (0);
+}