o Introduce cap_{get,set}_{file,fd}() syscall wrappers, associated with

  soon to be committed syscall stubs.  These calls will be used to get
  and set capability state associated with executables.

Obtained from:	TrustedBSD Project

4 files changed, 196 insertions, 0 deletions

diff --git a/lib/libposix1e/cap_get_fd.c b/lib/libposix1e/cap_get_fd.c
new file mode 100644
index 0000000..242ee09
--- /dev/null
+++ b/lib/libposix1e/cap_get_fd.c
@@ -0,0 +1,55 @@
+/*-
+ * 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 <sys/capability.h>
+#include <sys/errno.h>
+
+#include <stdlib.h>
+
+cap_t
+cap_get_fd(int fd)
+{
+	struct cap	*cap;
+	int	error;
+
+	cap = cap_init();
+	if (!cap)
+		return (NULL);
+
+	error = __cap_get_fd(fd, cap);
+	if (error) {
+		cap_free(cap);
+		return (NULL);
+	}
+
+	return (cap);
+}
diff --git a/lib/libposix1e/cap_get_file.c b/lib/libposix1e/cap_get_file.c
new file mode 100644
index 0000000..c4deb6d
--- /dev/null
+++ b/lib/libposix1e/cap_get_file.c
@@ -0,0 +1,55 @@
+/*-
+ * 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 <sys/capability.h>
+#include <sys/errno.h>
+
+#include <stdlib.h>
+
+cap_t
+cap_get_file(const char *path_p)
+{
+	struct cap	*cap;
+	int	error;
+
+	cap = cap_init();
+	if (!cap)
+		return (NULL);
+
+	error = __cap_get_file(path_p, cap);
+	if (error) {
+		cap_free(cap);
+		return (NULL);
+	}
+
+	return (cap);
+}
diff --git a/lib/libposix1e/cap_set_fd.c b/lib/libposix1e/cap_set_fd.c
new file mode 100644
index 0000000..ba2f356
--- /dev/null
+++ b/lib/libposix1e/cap_set_fd.c
@@ -0,0 +1,43 @@
+/*-
+ * 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 <sys/capability.h>
+
+#include <sys/errno.h>
+
+int
+cap_set_fd(int fd, cap_t cap_p)
+{
+	int	error;
+
+	return (__cap_set_fd(fd, cap_p));
+}
diff --git a/lib/libposix1e/cap_set_file.c b/lib/libposix1e/cap_set_file.c
new file mode 100644
index 0000000..e371f8a
--- /dev/null
+++ b/lib/libposix1e/cap_set_file.c
@@ -0,0 +1,43 @@
+/*-
+ * 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 <sys/capability.h>
+
+#include <sys/errno.h>
+
+int
+cap_set_file(const char *path_p, cap_t cap_p)
+{
+	int	error;
+
+	return (__cap_set_file(path_p, cap_p));
+}