Merge OpenBSM alpha 5 from OpenBSM vendor branch to head, both

contrib/openbsm (svn merge) and src/sys/{bsm,security/audit} (manual
merge).  Hook up bsm_domain.c and bsm_socket_type.c to the libbsm
build along with man pages, add audit_bsm_domain.c and
audit_bsm_socket_type.c to the kernel environment.

OpenBSM history for imported revisions below for reference.

MFC after:      1 month
Sponsored by:   Apple Inc.
Obtained from:  TrustedBSD Project

OpenBSM 1.1 alpha 5

- Stub libauditd(3) man page added.
- All BSM error number constants with BSM_ERRNO_.
- Interfaces to convert between local and BSM socket types and protocol
  families have been added: au_bsm_to_domain(3), au_bsm_to_socket_type(3),
  au_domain_to_bsm(3), and au_socket_type_to_bsm(3), along with definitions
  of constants in audit_domain.h and audit_socket_type.h.  This improves
  interoperability by converting local constant spaces, which vary by OS, to
  and from Solaris constants (where available) or OpenBSM constants for
  protocol domains not present in Solaris (a fair number).  These routines
  should be used when generating and interpreting extended socket tokens.
- Fix build warnings with full gcc warnings enabled on most supported
  platforms.
- Don't compile error strings into bsm_errno.c when building it in the kernel
  environment.
- When started by launchd, use the label com.apple.auditd rather than
  org.trustedbsd.auditd.

1 files changed, 107 insertions, 0 deletions

diff --git a/sys/security/audit/audit_bsm_socket_type.c b/sys/security/audit/audit_bsm_socket_type.c
new file mode 100644
index 0000000..c049179
--- /dev/null
+++ b/sys/security/audit/audit_bsm_socket_type.c
@@ -0,0 +1,107 @@
+/*-
+ * Copyright (c) 2008 Apple Inc.
+ * 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.
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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. 
+ *
+ * P4: //depot/projects/trustedbsd/openbsm/libbsm/bsm_socket_type.c#1
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <security/audit/audit.h>
+
+#include <bsm/audit_record.h>
+#include <bsm/audit_socket_type.h>
+
+struct bsm_socket_type {
+	u_short	bst_bsm_socket_type;
+	int	bst_local_socket_type;
+};
+
+#define	ST_NO_LOCAL_MAPPING	-600
+
+static const struct bsm_socket_type bsm_socket_types[] = {
+	{ BSM_SOCK_DGRAM, SOCK_DGRAM },
+	{ BSM_SOCK_STREAM, SOCK_STREAM },
+	{ BSM_SOCK_RAW, SOCK_RAW },
+	{ BSM_SOCK_RDM, SOCK_RDM },
+	{ BSM_SOCK_SEQPACKET, SOCK_SEQPACKET },
+};
+static const int bsm_socket_types_count = sizeof(bsm_socket_types) /
+	    sizeof(bsm_socket_types[0]);
+
+static const struct bsm_socket_type *
+bsm_lookup_local_socket_type(int local_socket_type)
+{
+	int i;
+
+	for (i = 0; i < bsm_socket_types_count; i++) {
+		if (bsm_socket_types[i].bst_local_socket_type ==
+		    local_socket_type)
+			return (&bsm_socket_types[i]);
+	}
+	return (NULL);
+}
+
+u_short
+au_socket_type_to_bsm(int local_socket_type)
+{
+	const struct bsm_socket_type *bstp;
+
+	bstp = bsm_lookup_local_socket_type(local_socket_type);
+	if (bstp == NULL)
+		return (BSM_SOCK_UNKNOWN);
+	return (bstp->bst_bsm_socket_type);
+}
+
+static const struct bsm_socket_type *
+bsm_lookup_bsm_socket_type(u_short bsm_socket_type)
+{
+	int i;
+
+	for (i = 0; i < bsm_socket_types_count; i++) {
+		if (bsm_socket_types[i].bst_bsm_socket_type ==
+		    bsm_socket_type)
+			return (&bsm_socket_types[i]);
+	}
+	return (NULL);
+}
+
+int
+au_bsm_to_socket_type(u_short bsm_socket_type, int *local_socket_typep)
+{
+	const struct bsm_socket_type *bstp;
+
+	bstp = bsm_lookup_bsm_socket_type(bsm_socket_type);
+	if (bstp == NULL || bstp->bst_local_socket_type)
+		return (-1);
+	*local_socket_typep = bstp->bst_local_socket_type;
+	return (0);
+}