Four .c files from OpenBSM are used, in modified form, by the kernel to

implement the BSM audit trail format.  Rename the kernel versions of the
files to match the userspace filenames so that it's easier to work out
what they correspond to, and therefore ensure they are kept in-sync.

Obtained from:	TrustedBSD Project

1 files changed, 495 insertions, 0 deletions

diff --git a/sys/security/audit/bsm_domain.c b/sys/security/audit/bsm_domain.c
new file mode 100644
index 0000000..cb5939f
--- /dev/null
+++ b/sys/security/audit/bsm_domain.c
@@ -0,0 +1,495 @@
+/*-
+ * 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_domain.c#3
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <security/audit/audit.h>
+
+#include <bsm/audit_domain.h>
+#include <bsm/audit_record.h>
+
+struct bsm_domain {
+	u_short	bd_bsm_domain;
+	int	bd_local_domain;
+};
+
+#define	PF_NO_LOCAL_MAPPING	-600
+
+static const struct bsm_domain bsm_domains[] = {
+	{ BSM_PF_UNSPEC, PF_UNSPEC },
+	{ BSM_PF_LOCAL, PF_LOCAL },
+	{ BSM_PF_INET, PF_INET },
+	{ BSM_PF_IMPLINK,
+#ifdef PF_IMPLINK
+	PF_IMPLINK
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_PUP,
+#ifdef PF_PUP
+	PF_PUP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_CHAOS,
+#ifdef PF_CHAOS
+	PF_CHAOS
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_NS,
+#ifdef PF_NS
+	PF_NS
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_NBS,
+#ifdef PF_NBS
+	PF_NBS
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ECMA,
+#ifdef PF_ECMA
+	PF_ECMA
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_DATAKIT,
+#ifdef PF_DATAKIT
+	PF_DATAKIT
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_CCITT,
+#ifdef PF_CCITT
+	PF_CCITT
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_SNA, PF_SNA },
+	{ BSM_PF_DECnet, PF_DECnet },
+	{ BSM_PF_DLI,
+#ifdef PF_DLI
+	PF_DLI
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_LAT,
+#ifdef PF_LAT
+	PF_LAT
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_HYLINK,
+#ifdef PF_HYLINK
+	PF_HYLINK
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_APPLETALK, PF_APPLETALK },
+	{ BSM_PF_NIT,
+#ifdef PF_NIT
+	PF_NIT
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_802,
+#ifdef PF_802
+	PF_802
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_OSI,
+#ifdef PF_OSI
+	PF_OSI
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_X25,
+#ifdef PF_X25
+	PF_X25
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_OSINET,
+#ifdef PF_OSINET
+	PF_OSINET
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_GOSIP,
+#ifdef PF_GOSIP
+	PF_GOSIP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_IPX, PF_IPX },
+	{ BSM_PF_ROUTE, PF_ROUTE },
+	{ BSM_PF_LINK,
+#ifdef PF_LINK
+	PF_LINK
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_INET6, PF_INET6 },
+	{ BSM_PF_KEY, PF_KEY },
+	{ BSM_PF_NCA,
+#ifdef PF_NCA
+	PF_NCA
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_POLICY,
+#ifdef PF_POLICY
+	PF_POLICY
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_INET_OFFLOAD,
+#ifdef PF_INET_OFFLOAD
+	PF_INET_OFFLOAD
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_NETBIOS,
+#ifdef PF_NETBIOS
+	PF_NETBIOS
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ISO,
+#ifdef PF_ISO
+	PF_ISO
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_XTP,
+#ifdef PF_XTP
+	PF_XTP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_COIP,
+#ifdef PF_COIP
+	PF_COIP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_CNT,
+#ifdef PF_CNT
+	PF_CNT
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_RTIP,
+#ifdef PF_RTIP
+	PF_RTIP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_SIP,
+#ifdef PF_SIP
+	PF_SIP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_PIP,
+#ifdef PF_PIP
+	PF_PIP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ISDN,
+#ifdef PF_ISDN
+	PF_ISDN
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_E164,
+#ifdef PF_E164
+	PF_E164
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_NATM,
+#ifdef PF_NATM
+	PF_NATM
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ATM,
+#ifdef PF_ATM
+	PF_ATM
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_NETGRAPH,
+#ifdef PF_NETGRAPH
+	PF_NETGRAPH
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_SLOW,
+#ifdef PF_SLOW
+	PF_SLOW
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_SCLUSTER,
+#ifdef PF_SCLUSTER
+	PF_SCLUSTER
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ARP,
+#ifdef PF_ARP
+	PF_ARP
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_BLUETOOTH,
+#ifdef PF_BLUETOOTH
+	PF_BLUETOOTH
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_AX25,
+#ifdef PF_AX25
+	PF_AX25
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ROSE,
+#ifdef PF_ROSE
+	PF_ROSE
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_NETBEUI,
+#ifdef PF_NETBEUI
+	PF_NETBEUI
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_SECURITY,
+#ifdef PF_SECURITY
+	PF_SECURITY
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_PACKET,
+#ifdef PF_PACKET
+	PF_PACKET
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ASH,
+#ifdef PF_ASH
+	PF_ASH
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ECONET,
+#ifdef PF_ECONET
+	PF_ECONET
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_ATMSVC,
+#ifdef PF_ATMSVC
+	PF_ATMSVC
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_IRDA,
+#ifdef PF_IRDA
+	PF_IRDA
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_PPPOX,
+#ifdef PF_PPPOX
+	PF_PPPOX
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_WANPIPE,
+#ifdef PF_WANPIPE
+	PF_WANPIPE
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_LLC,
+#ifdef PF_LLC
+	PF_LLC
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_CAN,
+#ifdef PF_CAN
+	PF_CAN
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_TIPC,
+#ifdef PF_TIPC
+	PF_TIPC
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_IUCV,
+#ifdef PF_IUCV
+	PF_IUCV
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_RXRPC,
+#ifdef PF_RXRPC
+	PF_RXRPC
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+	{ BSM_PF_PHONET,
+#ifdef PF_PHONET
+	PF_PHONET
+#else
+	PF_NO_LOCAL_MAPPING
+#endif
+	},
+};
+static const int bsm_domains_count = sizeof(bsm_domains) /
+	    sizeof(bsm_domains[0]);
+
+static const struct bsm_domain *
+bsm_lookup_local_domain(int local_domain)
+{
+	int i;
+
+	for (i = 0; i < bsm_domains_count; i++) {
+		if (bsm_domains[i].bd_local_domain == local_domain)
+			return (&bsm_domains[i]);
+	}
+	return (NULL);
+}
+
+u_short
+au_domain_to_bsm(int local_domain)
+{
+	const struct bsm_domain *bstp;
+
+	bstp = bsm_lookup_local_domain(local_domain);
+	if (bstp == NULL)
+		return (BSM_PF_UNKNOWN);
+	return (bstp->bd_bsm_domain);
+}
+
+static const struct bsm_domain *
+bsm_lookup_bsm_domain(u_short bsm_domain)
+{
+	int i;
+
+	for (i = 0; i < bsm_domains_count; i++) {
+		if (bsm_domains[i].bd_bsm_domain == bsm_domain)
+			return (&bsm_domains[i]);
+	}
+	return (NULL);
+}
+
+int
+au_bsm_to_domain(u_short bsm_domain, int *local_domainp)
+{
+	const struct bsm_domain *bstp;
+
+	bstp = bsm_lookup_bsm_domain(bsm_domain);
+	if (bstp == NULL || bstp->bd_local_domain)
+		return (-1);
+	*local_domainp = bstp->bd_local_domain;
+	return (0);
+}