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-rw-r--r--contrib/openbsm/bin/Makefile.in2
-rw-r--r--contrib/openbsm/bin/audit/Makefile.am10
-rw-r--r--contrib/openbsm/bin/audit/Makefile.in16
-rw-r--r--contrib/openbsm/bin/audit/audit.823
-rw-r--r--contrib/openbsm/bin/audit/audit.c33
-rw-r--r--contrib/openbsm/bin/auditd/Makefile.am18
-rw-r--r--contrib/openbsm/bin/auditd/Makefile.in41
-rw-r--r--contrib/openbsm/bin/auditd/audit_warn.c15
-rw-r--r--contrib/openbsm/bin/auditd/auditd.855
-rw-r--r--contrib/openbsm/bin/auditd/auditd.c1188
-rw-r--r--contrib/openbsm/bin/auditd/auditd.h39
-rw-r--r--contrib/openbsm/bin/auditd/auditd_darwin.c484
-rw-r--r--contrib/openbsm/bin/auditd/auditd_fbsd.c272
-rw-r--r--contrib/openbsm/bin/auditfilterd/Makefile.in2
-rw-r--r--contrib/openbsm/bin/auditreduce/Makefile.in2
-rw-r--r--contrib/openbsm/bin/auditreduce/auditreduce.c4
-rw-r--r--contrib/openbsm/bin/praudit/Makefile.in2
17 files changed, 1297 insertions, 909 deletions
diff --git a/contrib/openbsm/bin/Makefile.in b/contrib/openbsm/bin/Makefile.in
index ddace5819f425..06ef9a75dc47b 100644
--- a/contrib/openbsm/bin/Makefile.in
+++ b/contrib/openbsm/bin/Makefile.in
@@ -15,7 +15,7 @@
@SET_MAKE@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/Makefile.in#8 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/Makefile.in#10 $
#
VPATH = @srcdir@
pkgdatadir = $(datadir)/@PACKAGE@
diff --git a/contrib/openbsm/bin/audit/Makefile.am b/contrib/openbsm/bin/audit/Makefile.am
index ed62929ca00e1..1b5d554ac62b7 100644
--- a/contrib/openbsm/bin/audit/Makefile.am
+++ b/contrib/openbsm/bin/audit/Makefile.am
@@ -1,5 +1,5 @@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/audit/Makefile.am#4 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/audit/Makefile.am#6 $
#
if USE_NATIVE_INCLUDES
@@ -13,11 +13,11 @@ audit_LDADD = $(top_builddir)/libbsm/libbsm.la
man8_MANS = audit.8
if USE_MACH_IPC
-audit_SOURCES = auditd_control_user.c audit.c
-CLEANFILES = auditd_control_user.c auditd_control_user.h
+audit_SOURCES = auditd_controlUser.c audit.c
+CLEANFILES = auditd_controlUser.c auditd_control.h
-auditd_control_user.c: $(top_srcdir)/bin/auditd/auditd_control.defs
- $(MIG) -user auditd_control_user.c -header auditd_control_user.h -server /dev/null -sheader /dev/null $(top_srcdir)/bin/auditd/auditd_control.defs
+auditd_controlUser.c auditd_control.h: $(top_srcdir)/bin/auditd/auditd_control.defs
+ $(MIG) -user auditd_controlUser.c -header auditd_control.h -server /dev/null -sheader /dev/null $(top_srcdir)/bin/auditd/auditd_control.defs
else
audit_SOURCES = audit.c
endif
diff --git a/contrib/openbsm/bin/audit/Makefile.in b/contrib/openbsm/bin/audit/Makefile.in
index edaf018170cd6..ae2dd6ec6bcf4 100644
--- a/contrib/openbsm/bin/audit/Makefile.in
+++ b/contrib/openbsm/bin/audit/Makefile.in
@@ -15,7 +15,7 @@
@SET_MAKE@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/audit/Makefile.in#9 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/audit/Makefile.in#11 $
#
VPATH = @srcdir@
@@ -49,9 +49,9 @@ CONFIG_CLEAN_FILES =
am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"
sbinPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
PROGRAMS = $(sbin_PROGRAMS)
-am__audit_SOURCES_DIST = audit.c auditd_control_user.c
+am__audit_SOURCES_DIST = audit.c auditd_controlUser.c
@USE_MACH_IPC_FALSE@am_audit_OBJECTS = audit.$(OBJEXT)
-@USE_MACH_IPC_TRUE@am_audit_OBJECTS = auditd_control_user.$(OBJEXT) \
+@USE_MACH_IPC_TRUE@am_audit_OBJECTS = auditd_controlUser.$(OBJEXT) \
@USE_MACH_IPC_TRUE@ audit.$(OBJEXT)
audit_OBJECTS = $(am_audit_OBJECTS)
audit_DEPENDENCIES = $(top_builddir)/libbsm/libbsm.la
@@ -188,8 +188,8 @@ top_srcdir = @top_srcdir@
audit_LDADD = $(top_builddir)/libbsm/libbsm.la
man8_MANS = audit.8
@USE_MACH_IPC_FALSE@audit_SOURCES = audit.c
-@USE_MACH_IPC_TRUE@audit_SOURCES = auditd_control_user.c audit.c
-@USE_MACH_IPC_TRUE@CLEANFILES = auditd_control_user.c auditd_control_user.h
+@USE_MACH_IPC_TRUE@audit_SOURCES = auditd_controlUser.c audit.c
+@USE_MACH_IPC_TRUE@CLEANFILES = auditd_controlUser.c auditd_control.h
all: all-am
.SUFFIXES:
@@ -262,7 +262,7 @@ distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audit.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/auditd_control_user.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/auditd_controlUser.Po@am__quote@
.c.o:
@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@@ -521,8 +521,8 @@ uninstall-man: uninstall-man8
uninstall-sbinPROGRAMS
-@USE_MACH_IPC_TRUE@auditd_control_user.c: $(top_srcdir)/bin/auditd/auditd_control.defs
-@USE_MACH_IPC_TRUE@ $(MIG) -user auditd_control_user.c -header auditd_control_user.h -server /dev/null -sheader /dev/null $(top_srcdir)/bin/auditd/auditd_control.defs
+@USE_MACH_IPC_TRUE@auditd_controlUser.c auditd_control.h: $(top_srcdir)/bin/auditd/auditd_control.defs
+@USE_MACH_IPC_TRUE@ $(MIG) -user auditd_controlUser.c -header auditd_control.h -server /dev/null -sheader /dev/null $(top_srcdir)/bin/auditd/auditd_control.defs
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
diff --git a/contrib/openbsm/bin/audit/audit.8 b/contrib/openbsm/bin/audit/audit.8
index 4aaa494b30dad..b0276d40da6ab 100644
--- a/contrib/openbsm/bin/audit/audit.8
+++ b/contrib/openbsm/bin/audit/audit.8
@@ -25,9 +25,9 @@
.\" (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/bin/audit/audit.8#11 $
+.\" $P4: //depot/projects/trustedbsd/openbsm/bin/audit/audit.8#13 $
.\"
-.Dd October 2, 2006
+.Dd December 11, 2008
.Dt AUDIT 8
.Os
.Sh NAME
@@ -35,7 +35,7 @@
.Nd audit management utility
.Sh SYNOPSIS
.Nm
-.Fl n | s | t
+.Fl i | n | s | t
.Sh DESCRIPTION
The
.Nm
@@ -43,6 +43,13 @@ utility controls the state of the audit system.
One of the following flags is required as an argument to
.Nm :
.Bl -tag -width indent
+.It Fl i
+Initializes and starts auditing.
+This option is currently for Mac OS X only
+and requires
+.Xr auditd 8
+to be configured to run under
+.Xr launchd 8 .
.It Fl n
Forces the audit system to close the existing audit log file and rotate to
a new log file in a location specified in the audit control file.
@@ -59,6 +66,13 @@ and renamed to indicate the time of the shutdown.
The
.Xr auditd 8
daemon must already be running.
+Optionally, it can be configured to be started
+on-demand by
+.Xr launchd 8
+(Mac OS X only).
+The
+.Nm
+utility requires audit administrator privileges for successful operation.
.Sh FILES
.Bl -tag -width ".Pa /etc/security/audit_control" -compact
.It Pa /etc/security/audit_control
@@ -67,7 +81,8 @@ Audit policy file used to configure the auditing system.
.Sh SEE ALSO
.Xr audit 4 ,
.Xr audit_control 5 ,
-.Xr auditd 8
+.Xr auditd 8 ,
+.Xr launchd 8
.Sh HISTORY
The OpenBSM implementation was created by McAfee Research, the security
division of McAfee Inc., under contract to Apple Computer Inc.\& in 2004.
diff --git a/contrib/openbsm/bin/audit/audit.c b/contrib/openbsm/bin/audit/audit.c
index b1415a64a80b3..3a07aa75966da 100644
--- a/contrib/openbsm/bin/audit/audit.c
+++ b/contrib/openbsm/bin/audit/audit.c
@@ -26,7 +26,7 @@
* (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/bin/audit/audit.c#11 $
+ * $P4: //depot/projects/trustedbsd/openbsm/bin/audit/audit.c#13 $
*/
/*
* Program to trigger the audit daemon with a message that is either:
@@ -47,6 +47,7 @@
#include <bsm/libbsm.h>
+#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
@@ -64,7 +65,15 @@ static int send_trigger(unsigned int);
#include <mach/host_special_ports.h>
#include <servers/bootstrap.h>
-#include "auditd_control_user.h"
+#include "auditd_control.h"
+
+/*
+ * XXX the following is temporary until this can be added to the kernel
+ * audit.h header.
+ */
+#ifndef AUDIT_TRIGGER_INITIALIZE
+#define AUDIT_TRIGGER_INITIALIZE 7
+#endif
static int
send_trigger(unsigned int trigger)
@@ -74,7 +83,12 @@ send_trigger(unsigned int trigger)
error = host_get_audit_control_port(mach_host_self(), &serverPort);
if (error != KERN_SUCCESS) {
- mach_error("Cannot get auditd_control Mach port: ", error);
+ if (geteuid() != 0) {
+ errno = EPERM;
+ perror("audit requires root privileges");
+ } else
+ mach_error("Cannot get auditd_control Mach port:",
+ error);
return (-1);
}
@@ -96,7 +110,10 @@ send_trigger(unsigned int trigger)
error = auditon(A_SENDTRIGGER, &trigger, sizeof(trigger));
if (error != 0) {
- perror("Error sending trigger");
+ if (error == EPERM)
+ perror("audit requires root privileges");
+ else
+ perror("Error sending trigger");
return (-1);
}
@@ -108,7 +125,7 @@ static void
usage(void)
{
- (void)fprintf(stderr, "Usage: audit -n | -s | -t \n");
+ (void)fprintf(stderr, "Usage: audit -i | -n | -s | -t \n");
exit(-1);
}
@@ -124,9 +141,13 @@ main(int argc, char **argv)
if (argc != 2)
usage();
- while ((ch = getopt(argc, argv, "nst")) != -1) {
+ while ((ch = getopt(argc, argv, "inst")) != -1) {
switch(ch) {
+ case 'i':
+ trigger = AUDIT_TRIGGER_INITIALIZE;
+ break;
+
case 'n':
trigger = AUDIT_TRIGGER_ROTATE_USER;
break;
diff --git a/contrib/openbsm/bin/auditd/Makefile.am b/contrib/openbsm/bin/auditd/Makefile.am
index f65b1556bdff4..2372fa6e7fd10 100644
--- a/contrib/openbsm/bin/auditd/Makefile.am
+++ b/contrib/openbsm/bin/auditd/Makefile.am
@@ -1,5 +1,5 @@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/Makefile.am#4 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/Makefile.am#5 $
#
if USE_NATIVE_INCLUDES
@@ -9,18 +9,18 @@ INCLUDES = -I$(top_builddir) -I$(top_srcdir) -I$(top_srcdir)/sys
endif
sbin_PROGRAMS = auditd
-auditd_LDADD = $(top_builddir)/libbsm/libbsm.la
+auditd_LDADD = $(top_builddir)/libbsm/libbsm.la $(top_builddir)/libauditd/libauditd.la
man8_MANS = auditd.8
if USE_MACH_IPC
-auditd_SOURCES = auditd_control_server.c audit_triggers_server.c audit_warn.c auditd.c
-CLEANFILES = auditd_control_server.c auditd_control_server.h audit_triggers_server.c audit_triggers_server.h
+auditd_SOURCES = auditd_controlServer.c audit_triggersServer.c audit_warn.c auditd.c auditd_darwin.c
+CLEANFILES = auditd_control_server.c auditd_controlServer.h audit_triggersServer.c audit_triggersServer.h
-auditd_control_server.c: auditd_control.defs
- $(MIG) -user /dev/null -header /dev/null -server auditd_control_server.c -sheader auditd_control_server.h $(top_srcdir)/bin/auditd/auditd_control.defs
+auditd_controlServer.c auditd_controlServer.h: auditd_control.defs
+ $(MIG) -user /dev/null -header /dev/null -server auditd_controlServer.c -sheader auditd_controlServer.h $(top_srcdir)/bin/auditd/auditd_control.defs
-audit_triggers_server.c: audit_triggers.defs
- $(MIG) -user /dev/null -header /dev/null -server audit_triggers_server.c -sheader audit_triggers_server.h $(top_srcdir)/bin/auditd/audit_triggers.defs
+audit_triggersServer.c audit_triggersServer.h: audit_triggers.defs
+ $(MIG) -user /dev/null -header /dev/null -server audit_triggersServer.c -sheader audit_triggersServer.h $(top_srcdir)/bin/auditd/audit_triggers.defs
else
-auditd_SOURCES = audit_warn.c auditd.c
+auditd_SOURCES = audit_warn.c auditd.c auditd_fbsd.c
endif
diff --git a/contrib/openbsm/bin/auditd/Makefile.in b/contrib/openbsm/bin/auditd/Makefile.in
index 731607cc54f4b..44240d6be37c3 100644
--- a/contrib/openbsm/bin/auditd/Makefile.in
+++ b/contrib/openbsm/bin/auditd/Makefile.in
@@ -15,7 +15,7 @@
@SET_MAKE@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/Makefile.in#9 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/Makefile.in#10 $
#
VPATH = @srcdir@
@@ -49,16 +49,17 @@ CONFIG_CLEAN_FILES =
am__installdirs = "$(DESTDIR)$(sbindir)" "$(DESTDIR)$(man8dir)"
sbinPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
PROGRAMS = $(sbin_PROGRAMS)
-am__auditd_SOURCES_DIST = audit_warn.c auditd.c \
- auditd_control_server.c audit_triggers_server.c
+am__auditd_SOURCES_DIST = audit_warn.c auditd.c auditd_fbsd.c \
+ auditd_controlServer.c audit_triggersServer.c auditd_darwin.c
@USE_MACH_IPC_FALSE@am_auditd_OBJECTS = audit_warn.$(OBJEXT) \
-@USE_MACH_IPC_FALSE@ auditd.$(OBJEXT)
-@USE_MACH_IPC_TRUE@am_auditd_OBJECTS = \
-@USE_MACH_IPC_TRUE@ auditd_control_server.$(OBJEXT) \
-@USE_MACH_IPC_TRUE@ audit_triggers_server.$(OBJEXT) \
-@USE_MACH_IPC_TRUE@ audit_warn.$(OBJEXT) auditd.$(OBJEXT)
+@USE_MACH_IPC_FALSE@ auditd.$(OBJEXT) auditd_fbsd.$(OBJEXT)
+@USE_MACH_IPC_TRUE@am_auditd_OBJECTS = auditd_controlServer.$(OBJEXT) \
+@USE_MACH_IPC_TRUE@ audit_triggersServer.$(OBJEXT) \
+@USE_MACH_IPC_TRUE@ audit_warn.$(OBJEXT) auditd.$(OBJEXT) \
+@USE_MACH_IPC_TRUE@ auditd_darwin.$(OBJEXT)
auditd_OBJECTS = $(am_auditd_OBJECTS)
-auditd_DEPENDENCIES = $(top_builddir)/libbsm/libbsm.la
+auditd_DEPENDENCIES = $(top_builddir)/libbsm/libbsm.la \
+ $(top_builddir)/libauditd/libauditd.la
DEFAULT_INCLUDES = -I. -I$(top_builddir)/config@am__isrc@
depcomp = $(SHELL) $(top_srcdir)/config/depcomp
am__depfiles_maybe = depfiles
@@ -189,11 +190,11 @@ top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
@USE_NATIVE_INCLUDES_FALSE@INCLUDES = -I$(top_builddir) -I$(top_srcdir) -I$(top_srcdir)/sys
@USE_NATIVE_INCLUDES_TRUE@INCLUDES = -I$(top_builddir) -I$(top_srcdir)
-auditd_LDADD = $(top_builddir)/libbsm/libbsm.la
+auditd_LDADD = $(top_builddir)/libbsm/libbsm.la $(top_builddir)/libauditd/libauditd.la
man8_MANS = auditd.8
-@USE_MACH_IPC_FALSE@auditd_SOURCES = audit_warn.c auditd.c
-@USE_MACH_IPC_TRUE@auditd_SOURCES = auditd_control_server.c audit_triggers_server.c audit_warn.c auditd.c
-@USE_MACH_IPC_TRUE@CLEANFILES = auditd_control_server.c auditd_control_server.h audit_triggers_server.c audit_triggers_server.h
+@USE_MACH_IPC_FALSE@auditd_SOURCES = audit_warn.c auditd.c auditd_fbsd.c
+@USE_MACH_IPC_TRUE@auditd_SOURCES = auditd_controlServer.c audit_triggersServer.c audit_warn.c auditd.c auditd_darwin.c
+@USE_MACH_IPC_TRUE@CLEANFILES = auditd_control_server.c auditd_controlServer.h audit_triggersServer.c audit_triggersServer.h
all: all-am
.SUFFIXES:
@@ -265,10 +266,12 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audit_triggers_server.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audit_triggersServer.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/audit_warn.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/auditd.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/auditd_control_server.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/auditd_controlServer.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/auditd_darwin.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/auditd_fbsd.Po@am__quote@
.c.o:
@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@@ -527,11 +530,11 @@ uninstall-man: uninstall-man8
uninstall-sbinPROGRAMS
-@USE_MACH_IPC_TRUE@auditd_control_server.c: auditd_control.defs
-@USE_MACH_IPC_TRUE@ $(MIG) -user /dev/null -header /dev/null -server auditd_control_server.c -sheader auditd_control_server.h $(top_srcdir)/bin/auditd/auditd_control.defs
+@USE_MACH_IPC_TRUE@auditd_controlServer.c auditd_controlServer.h: auditd_control.defs
+@USE_MACH_IPC_TRUE@ $(MIG) -user /dev/null -header /dev/null -server auditd_controlServer.c -sheader auditd_controlServer.h $(top_srcdir)/bin/auditd/auditd_control.defs
-@USE_MACH_IPC_TRUE@audit_triggers_server.c: audit_triggers.defs
-@USE_MACH_IPC_TRUE@ $(MIG) -user /dev/null -header /dev/null -server audit_triggers_server.c -sheader audit_triggers_server.h $(top_srcdir)/bin/auditd/audit_triggers.defs
+@USE_MACH_IPC_TRUE@audit_triggersServer.c audit_triggersServer.h: audit_triggers.defs
+@USE_MACH_IPC_TRUE@ $(MIG) -user /dev/null -header /dev/null -server audit_triggersServer.c -sheader audit_triggersServer.h $(top_srcdir)/bin/auditd/audit_triggers.defs
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
diff --git a/contrib/openbsm/bin/auditd/audit_warn.c b/contrib/openbsm/bin/auditd/audit_warn.c
index 7bc7a14572b77..6dfb3bd2f7b05 100644
--- a/contrib/openbsm/bin/auditd/audit_warn.c
+++ b/contrib/openbsm/bin/auditd/audit_warn.c
@@ -26,7 +26,7 @@
* (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/bin/auditd/audit_warn.c#9 $
+ * $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/audit_warn.c#10 $
*/
#include <sys/types.h>
@@ -71,20 +71,15 @@ auditwarnlog(char *args[])
}
/*
- * Indicates that the hard limit for all filesystems has been exceeded count
- * times.
+ * Indicates that the hard limit for all filesystems has been exceeded.
*/
int
-audit_warn_allhard(int count)
+audit_warn_allhard(void)
{
- char intstr[12];
- char *args[3];
-
- snprintf(intstr, 12, "%d", count);
+ char *args[2];
args[0] = HARDLIM_ALL_WARN;
- args[1] = intstr;
- args[2] = NULL;
+ args[1] = NULL;
return (auditwarnlog(args));
}
diff --git a/contrib/openbsm/bin/auditd/auditd.8 b/contrib/openbsm/bin/auditd/auditd.8
index 199b9ccbdbe31..49cf9eaeaf5e5 100644
--- a/contrib/openbsm/bin/auditd/auditd.8
+++ b/contrib/openbsm/bin/auditd/auditd.8
@@ -25,9 +25,9 @@
.\" (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/bin/auditd/auditd.8#14 $
+.\" $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/auditd.8#16 $
.\"
-.Dd October 2, 2006
+.Dd December 11, 2008
.Dt AUDITD 8
.Os
.Sh NAME
@@ -35,7 +35,7 @@
.Nd audit log management daemon
.Sh SYNOPSIS
.Nm
-.Op Fl d
+.Op Fl d | l
.Sh DESCRIPTION
The
.Nm
@@ -50,7 +50,16 @@ The options are as follows:
.Bl -tag -width indent
.It Fl d
Starts the daemon in debug mode \[em] it will not daemonize.
+.It Fl l
+This option is for when
+.Nm
+is configured to start on-demand using
+.Xr launchd 8 .
.El
+.Pp
+Optionally, the audit review group "audit" may be created.
+Non-privileged
+users that are members of this group may read the audit trail log files.
.Sh NOTE
To assure uninterrupted audit support, the
.Nm
@@ -63,20 +72,33 @@ the
.Pa audit_control
file.
.Pp
-.\" Sending a
-.\" .Dv SIGHUP
-.\" to a running
-.\" .Nm
-.\" daemon will force it to exit.
-Sending a
-.Dv SIGTERM
-to a running
+If
+.Nm
+is started on-demand by
+.Xr launchd 8
+then auditing should only be started and stopped with
+.Xr audit 8 .
+.Pp
+On Mac OS X,
.Nm
-daemon will force it to exit.
+uses the
+.Xr asl 3
+API for writing system log messages.
+Therefore, only the audit administrator
+and members of the audit review group will be able to read the
+system log entries.
.Sh FILES
-.Bl -tag -width ".Pa /var/audit" -compact
+.Bl -tag -width ".Pa /etc/security" -compact
.It Pa /var/audit
Default directory for storing audit log files.
+.Pp
+.It Pa /etc/security
+The directory containing the auditing configuration files
+.Xr audit_class 5 ,
+.Xr audit_control 5 ,
+.Xr audit_event 5 ,
+and
+.Xr audit_warn 5 .
.El
.Sh COMPATIBILITY
The historical
@@ -92,9 +114,14 @@ and
and are no longer available as arguments to
.Nm .
.Sh SEE ALSO
+.Xr asl 3 ,
.Xr audit 4 ,
+.Xr audit_class 5 ,
.Xr audit_control 5 ,
-.Xr audit 8
+.Xr audit_event 5 ,
+.Xr audit_warn 5 ,
+.Xr audit 8 ,
+.Xr launchd 8
.Sh HISTORY
The OpenBSM implementation was created by McAfee Research, the security
division of McAfee Inc., under contract to Apple Computer Inc.\& in 2004.
diff --git a/contrib/openbsm/bin/auditd/auditd.c b/contrib/openbsm/bin/auditd/auditd.c
index e0c03d0bf6a17..316402a85b027 100644
--- a/contrib/openbsm/bin/auditd/auditd.c
+++ b/contrib/openbsm/bin/auditd/auditd.c
@@ -26,30 +26,29 @@
* (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/bin/auditd/auditd.c#39 $
+ * $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/auditd.c#40 $
*/
-#include <sys/param.h>
+#include <sys/types.h>
#include <config/config.h>
#include <sys/dirent.h>
-#include <sys/mman.h>
-#include <sys/socket.h>
#ifdef HAVE_FULL_QUEUE_H
#include <sys/queue.h>
#else /* !HAVE_FULL_QUEUE_H */
#include <compat/queue.h>
#endif /* !HAVE_FULL_QUEUE_H */
+#include <sys/mman.h>
+#include <sys/param.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <bsm/audit.h>
#include <bsm/audit_uevents.h>
+#include <bsm/auditd_lib.h>
#include <bsm/libbsm.h>
-#include <netinet/in.h>
-
#include <err.h>
#include <errno.h>
#include <fcntl.h>
@@ -60,115 +59,88 @@
#include <unistd.h>
#include <signal.h>
#include <string.h>
-#include <syslog.h>
-#include <netdb.h>
#include "auditd.h"
-#ifdef USE_MACH_IPC
-#include <notify.h>
-#include <mach/port.h>
-#include <mach/mach_error.h>
-#include <mach/mach_traps.h>
-#include <mach/mach.h>
-#include <mach/host_special_ports.h>
-
-#include "auditd_control_server.h"
-#include "audit_triggers_server.h"
-#endif /* USE_MACH_IPC */
#ifndef HAVE_STRLCPY
#include <compat/strlcpy.h>
#endif
-#define NA_EVENT_STR_SIZE 25
-#define POL_STR_SIZE 128
-static int ret, minval;
-static char *lastfile = NULL;
-static int allhardcount = 0;
-static int sigchlds, sigchlds_handled;
-static int sighups, sighups_handled;
-#ifndef USE_MACH_IPC
-static int sigterms, sigterms_handled;
-static int triggerfd = 0;
-
-#else /* USE_MACH_IPC */
-
-static mach_port_t control_port = MACH_PORT_NULL;
-static mach_port_t signal_port = MACH_PORT_NULL;
-static mach_port_t port_set = MACH_PORT_NULL;
-
-#ifndef __BSM_INTERNAL_NOTIFY_KEY
-#define __BSM_INTERNAL_NOTIFY_KEY "com.apple.audit.change"
-#endif /* __BSM_INTERNAL_NOTIFY_KEY */
-#endif /* USE_MACH_IPC */
-
-static TAILQ_HEAD(, dir_ent) dir_q;
-
-static int config_audit_controls(void);
-
/*
- * Error starting auditd
+ * XXX the following is temporary until this can be added to the kernel
+ * audit.h header.
*/
-static void
-fail_exit(void)
-{
+#ifndef AUDIT_TRIGGER_INITIALIZE
+#define AUDIT_TRIGGER_INITIALIZE 7
+#endif
- audit_warn_nostart();
- exit(1);
-}
+/*
+ * LaunchD flag (Mac OS X and, maybe, FreeBSD only.) See launchd(8) and
+ * http://wiki.freebsd.org/launchd for more information.
+ *
+ * In order for auditd to work "on demand" with launchd(8) it can't:
+ * call daemon(3)
+ * call fork and having the parent process exit
+ * change uids or gids.
+ * set up the current working directory or chroot.
+ * set the session id
+ * change stdio to /dev/null.
+ * call setrusage(2)
+ * call setpriority(2)
+ * Ignore SIGTERM.
+ * auditd (in 'launchd mode') is launched on demand so it must catch
+ * SIGTERM to exit cleanly.
+ */
+static int launchd_flag = 0;
/*
- * Free our local list of directory names.
+ * The GID of the audit review group (if used). The audit trail files and
+ * system logs (Mac OS X only) can only be reviewed by members of this group
+ * or the audit administrator (aka. "root").
*/
-static void
-free_dir_q(void)
-{
- struct dir_ent *dirent;
+static gid_t audit_review_gid = -1;
- while ((dirent = TAILQ_FIRST(&dir_q))) {
- TAILQ_REMOVE(&dir_q, dirent, dirs);
- free(dirent->dirname);
- free(dirent);
- }
-}
+/*
+ * The path and file name of the last audit trail file.
+ */
+static char *lastfile = NULL;
/*
- * Generate the timestamp string.
+ * Error starting auditd. Run warn script and exit.
*/
-static int
-getTSstr(char *buf, int len)
+static void
+fail_exit(void)
{
- struct timeval ts;
- struct timezone tzp;
- time_t tt;
- if (gettimeofday(&ts, &tzp) != 0)
- return (-1);
- tt = (time_t)ts.tv_sec;
- if (!strftime(buf, len, "%Y%m%d%H%M%S", gmtime(&tt)))
- return (-1);
- return (0);
+ audit_warn_nostart();
+ exit(1);
}
/*
- * Concat the directory name to the given file name.
- * XXX We should affix the hostname also
+ * Follow the 'current' symlink to get the active trail file name.
*/
static char *
-affixdir(char *name, struct dir_ent *dirent)
+get_curfile(void)
{
- char *fn = NULL;
+ char *cf;
+ int len;
- syslog(LOG_DEBUG, "dir = %s", dirent->dirname);
- /*
- * Sanity check on file name.
- */
- if (strlen(name) != (FILENAME_LEN - 1)) {
- syslog(LOG_ERR, "Invalid file name: %s", name);
+ cf = malloc(MAXPATHLEN);
+ if (cf == NULL) {
+ auditd_log_err("malloc failed: %m");
+ return (NULL);
+ }
+
+ len = readlink(AUDIT_CURRENT_LINK, cf, MAXPATHLEN - 1);
+ if (len < 0) {
+ free(cf);
return (NULL);
}
- asprintf(&fn, "%s/%s", dirent->dirname, name);
- return (fn);
+
+ /* readlink() doesn't terminate string. */
+ cf[len] = '\0';
+
+ return (cf);
}
/*
@@ -181,6 +153,10 @@ close_lastfile(char *TS)
char *oldname;
size_t len;
+ /* If lastfile is NULL try to get it from the 'current' link. */
+ if (lastfile == NULL)
+ lastfile = get_curfile();
+
if (lastfile != NULL) {
len = strlen(lastfile) + 1;
oldname = (char *)malloc(len);
@@ -192,16 +168,21 @@ close_lastfile(char *TS)
if ((ptr = strstr(lastfile, NOT_TERMINATED)) != NULL) {
strlcpy(ptr, TS, TIMESTAMP_LEN);
if (rename(oldname, lastfile) != 0)
- syslog(LOG_ERR,
+ auditd_log_err(
"Could not rename %s to %s: %m", oldname,
lastfile);
else {
- syslog(LOG_INFO, "renamed %s to %s",
+ /*
+ * Remove the 'current' symlink since the link
+ * is now invalid.
+ */
+ (void) unlink(AUDIT_CURRENT_LINK);
+ auditd_log_notice( "renamed %s to %s",
oldname, lastfile);
audit_warn_closefile(lastfile);
}
} else
- syslog(LOG_ERR, "Could not rename %s to %s", oldname,
+ auditd_log_err( "Could not rename %s to %s", oldname,
lastfile);
free(lastfile);
free(oldname);
@@ -211,168 +192,81 @@ close_lastfile(char *TS)
}
/*
- * Create the new audit file with appropriate permissions and ownership. Try
- * to clean up if something goes wrong.
- */
-static int
-#ifdef AUDIT_REVIEW_GROUP
-open_trail(const char *fname, uid_t uid, gid_t gid)
-#else
-open_trail(const char *fname)
-#endif
-{
- int error, fd;
-
- fd = open(fname, O_RDONLY | O_CREAT, S_IRUSR | S_IRGRP);
- if (fd < 0)
- return (-1);
-#ifdef AUDIT_REVIEW_GROUP
- if (fchown(fd, uid, gid) < 0) {
- error = errno;
- close(fd);
- (void)unlink(fname);
- errno = error;
- return (-1);
- }
-#endif
- return (fd);
-}
-
-/*
* Create the new file name, swap with existing audit file.
*/
static int
swap_audit_file(void)
{
- char timestr[FILENAME_LEN];
- char *fn;
+ int err;
+ char *newfile;
char TS[TIMESTAMP_LEN];
- struct dir_ent *dirent;
-#ifdef AUDIT_REVIEW_GROUP
- struct group *grp;
- gid_t gid;
- uid_t uid;
-#endif
- int error, fd;
+ time_t tt;
- if (getTSstr(TS, TIMESTAMP_LEN) != 0)
+ if (getTSstr(tt, TS, TIMESTAMP_LEN) != 0)
return (-1);
+ err = auditd_swap_trail(TS, &newfile, audit_review_gid,
+ audit_warn_getacdir);
+ if (err != ADE_NOERR) {
+ auditd_log_err( "%s: %m", auditd_strerror(err));
+ if (err != ADE_ACTL)
+ return (-1);
+ }
- snprintf(timestr, FILENAME_LEN, "%s.%s", TS, NOT_TERMINATED);
-
-#ifdef AUDIT_REVIEW_GROUP
/*
- * XXXRW: Currently, this code falls back to the daemon gid, which is
- * likely the wheel group. Is there a better way to deal with this?
+ * Only close the last file if were in an auditing state before
+ * calling swap_audit_file(). We may need to recover from a crash.
*/
- grp = getgrnam(AUDIT_REVIEW_GROUP);
- if (grp == NULL) {
- syslog(LOG_INFO,
- "Audit review group '%s' not available, using daemon gid",
- AUDIT_REVIEW_GROUP);
- gid = -1;
- } else
- gid = grp->gr_gid;
- uid = getuid();
-#endif
+ if (auditd_get_state() == AUD_STATE_ENABLED)
+ close_lastfile(TS);
- /* Try until we succeed. */
- while ((dirent = TAILQ_FIRST(&dir_q))) {
- if ((fn = affixdir(timestr, dirent)) == NULL) {
- syslog(LOG_INFO, "Failed to swap log at time %s",
- timestr);
- return (-1);
- }
- /*
- * Create and open the file; then close and pass to the
- * kernel if all went well.
- */
- syslog(LOG_INFO, "New audit file is %s", fn);
-#ifdef AUDIT_REVIEW_GROUP
- fd = open_trail(fn, uid, gid);
-#else
- fd = open_trail(fn);
-#endif
- if (fd < 0)
- warn("open(%s)", fn);
- if (fd >= 0) {
- error = auditctl(fn);
- if (error) {
- syslog(LOG_ERR,
- "auditctl failed setting log file! : %s",
- strerror(errno));
- close(fd);
- } else {
- /* Success. */
-#ifdef USE_MACH_IPC
- /*
- * auditctl() potentially changes the audit
- * state so post that the audit config (may
- * have) changed.
- */
- notify_post(__BSM_INTERNAL_NOTIFY_KEY);
-#endif
- close_lastfile(TS);
- lastfile = fn;
- close(fd);
- return (0);
- }
- }
+ /*
+ * auditd_swap_trail() potentially enables auditing (if not already
+ * enabled) so updated the cached state as well.
+ */
+ auditd_set_state(AUD_STATE_ENABLED);
+
+ /*
+ * Create 'current' symlink. Recover from crash, if needed.
+ */
+ if (auditd_new_curlink(newfile) != 0)
+ auditd_log_err("auditd_new_curlink(\"%s\") failed: %s: %m",
+ newfile, auditd_strerror(err));
- /*
- * Tell the administrator about lack of permissions for dir.
- */
- audit_warn_getacdir(dirent->dirname);
+ lastfile = newfile;
+ auditd_log_notice("New audit file is %s", newfile);
- /* Try again with a different directory. */
- TAILQ_REMOVE(&dir_q, dirent, dirs);
- free(dirent->dirname);
- free(dirent);
- }
- syslog(LOG_ERR, "Log directories exhausted");
- return (-1);
+ return (0);
}
/*
- * Read the audit_control file contents.
+ * Create a new audit log trail file and swap with the current one, if any.
*/
static int
-read_control_file(void)
+do_trail_file(void)
{
- char cur_dir[MAXNAMLEN];
- struct dir_ent *dirent;
- au_qctrl_t qctrl;
+ int err;
/*
- * Clear old values. Force a re-read of the file the next time.
+ * First, refresh the list of audit log directories.
*/
- free_dir_q();
- endac();
-
- /*
- * Read the list of directories into a local linked list.
- *
- * XXX We should use the reentrant interfaces once they are
- * available.
- */
- while (getacdir(cur_dir, MAXNAMLEN) >= 0) {
- dirent = (struct dir_ent *) malloc(sizeof(struct dir_ent));
- if (dirent == NULL)
- return (-1);
- dirent->softlim = 0;
- dirent->dirname = (char *) malloc(MAXNAMLEN);
- if (dirent->dirname == NULL) {
- free(dirent);
+ err = auditd_read_dirs(audit_warn_soft, audit_warn_hard);
+ if (err) {
+ auditd_log_err("auditd_read_dirs() %s: %m",
+ auditd_strerror(err));
+ if (err == ADE_HARDLIM)
+ audit_warn_allhard();
+ if (err != ADE_SOFTLIM)
return (-1);
- }
- strlcpy(dirent->dirname, cur_dir, MAXNAMLEN);
- TAILQ_INSERT_TAIL(&dir_q, dirent, dirs);
+ else
+ audit_warn_allsoft();
+ /* continue on with soft limit error */
}
- allhardcount = 0;
+ /*
+ * Create a new file and swap with the one being used in kernel.
+ */
if (swap_audit_file() == -1) {
- syslog(LOG_ERR, "Could not swap audit file");
/*
* XXX Faulty directory listing? - user should be given
* XXX an opportunity to change the audit_control file
@@ -381,26 +275,54 @@ read_control_file(void)
return (-1);
}
- /*
- * XXX There are synchronization problems here
- * XXX what should we do if a trigger for the earlier limit
- * XXX is generated here?
- */
- if (0 == (ret = getacmin(&minval))) {
- syslog(LOG_DEBUG, "min free = %d", minval);
- if (auditon(A_GETQCTRL, &qctrl, sizeof(qctrl)) != 0) {
- syslog(LOG_ERR,
- "could not get audit queue settings");
- return (-1);
- }
- qctrl.aq_minfree = minval;
- if (auditon(A_SETQCTRL, &qctrl, sizeof(qctrl)) != 0) {
- syslog(LOG_ERR,
- "could not set audit queue settings");
- return (-1);
- }
+ return (0);
+}
+
+/*
+ * Start up auditing.
+ */
+static void
+audit_setup(void)
+{
+ int err;
+
+ if (do_trail_file() == -1) {
+ auditd_log_err("Error creating audit trail file");
+ fail_exit();
+ }
+
+ /* Generate an audit record. */
+ err = auditd_gen_record(AUE_audit_startup, NULL);
+ if (err)
+ auditd_log_err("auditd_gen_record(AUE_audit_startup) %s: %m",
+ auditd_strerror(err));
+
+ if (auditd_config_controls() == 0)
+ auditd_log_info("Audit controls init successful");
+ else
+ auditd_log_err("Audit controls init failed");
+
+}
+
+
+/*
+ * Close auditd pid file and trigger mechanism.
+ */
+static int
+close_misc(void)
+{
+
+ auditd_close_dirs();
+ if (unlink(AUDITD_PIDFILE) == -1 && errno != ENOENT) {
+ auditd_log_err("Couldn't remove %s: %m", AUDITD_PIDFILE);
+ return (1);
}
+ endac();
+ if (auditd_close_trigger() != 0) {
+ auditd_log_err("Error closing trigger messaging mechanism");
+ return (1);
+ }
return (0);
}
@@ -410,107 +332,48 @@ read_control_file(void)
static int
close_all(void)
{
- struct auditinfo ai;
int err_ret = 0;
char TS[TIMESTAMP_LEN];
- int aufd;
- token_t *tok;
+ int err;
long cond;
+ time_t tt;
- /* Generate an audit record. */
- if ((aufd = au_open()) == -1)
- syslog(LOG_ERR, "Could not create audit shutdown event.");
- else {
- if ((tok = au_to_text("auditd::Audit shutdown")) != NULL)
- au_write(aufd, tok);
- /*
- * XXX we need to implement extended subject tokens so we can
- * effectively represent terminal lines with this token type.
- */
- bzero(&ai, sizeof(ai));
- if ((tok = au_to_subject32(getuid(), geteuid(), getegid(),
- getuid(), getgid(), getpid(), getpid(), &ai.ai_termid))
- != NULL)
- au_write(aufd, tok);
- if ((tok = au_to_return32(0, 0)) != NULL)
- au_write(aufd, tok);
- if (au_close(aufd, 1, AUE_audit_shutdown) == -1)
- syslog(LOG_ERR,
- "Could not close audit shutdown event.");
- }
+ err = auditd_gen_record(AUE_audit_shutdown, NULL);
+ if (err)
+ auditd_log_err("auditd_gen_record(AUE_audit_shutdown) %s: %m",
+ auditd_strerror(err));
/* Flush contents. */
cond = AUC_DISABLED;
err_ret = auditon(A_SETCOND, &cond, sizeof(cond));
if (err_ret != 0) {
- syslog(LOG_ERR, "Disabling audit failed! : %s",
- strerror(errno));
+ auditd_log_err("Disabling audit failed! : %s", strerror(errno));
err_ret = 1;
}
-#ifdef USE_MACH_IPC
- /*
- * Post a notification that the audit config changed.
+
+ /*
+ * Updated the cached state that auditing has been disabled.
*/
- notify_post(__BSM_INTERNAL_NOTIFY_KEY);
-#endif
- if (getTSstr(TS, TIMESTAMP_LEN) == 0)
+ auditd_set_state(AUD_STATE_DISABLED);
+
+ if (getTSstr(tt, TS, TIMESTAMP_LEN) == 0)
close_lastfile(TS);
if (lastfile != NULL)
free(lastfile);
- free_dir_q();
- if ((remove(AUDITD_PIDFILE) == -1) || err_ret) {
- syslog(LOG_ERR, "Could not unregister");
+ err_ret += close_misc();
+
+ if (err_ret) {
+ auditd_log_err("Could not unregister");
audit_warn_postsigterm();
- return (1);
}
- endac();
-
-#ifndef USE_MACH_IPC
- if (close(triggerfd) != 0)
- syslog(LOG_ERR, "Error closing control file");
-#endif
- syslog(LOG_INFO, "Finished");
- return (0);
-}
-/*
- * When we get a signal, we are often not at a clean point. So, little can
- * be done in the signal handler itself. Instead, we send a message to the
- * main servicing loop to do proper handling from a non-signal-handler
- * context.
- */
-#ifdef USE_MACH_IPC
-static void
-relay_signal(int signal)
-{
- mach_msg_empty_send_t msg;
-
- msg.header.msgh_id = signal;
- msg.header.msgh_remote_port = signal_port;
- msg.header.msgh_local_port = MACH_PORT_NULL;
- msg.header.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_MAKE_SEND, 0);
- mach_msg(&(msg.header), MACH_SEND_MSG|MACH_SEND_TIMEOUT, sizeof(msg),
- 0, MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
+ auditd_log_info("Finished");
+ return (err_ret);
}
-#else /* ! USE_MACH_IPC */
-
-static void
-relay_signal(int signal)
-{
-
- if (signal == SIGHUP)
- sighups++;
- if (signal == SIGTERM)
- sigterms++;
- if (signal == SIGCHLD)
- sigchlds++;
-}
-#endif /* ! USE_MACH_IPC */
-
/*
- * Registering the daemon.
+ * Register the daemon with the signal handler and the auditd pid file.
*/
static int
register_daemon(void)
@@ -520,24 +383,29 @@ register_daemon(void)
pid_t pid;
/* Set up the signal hander. */
- if (signal(SIGTERM, relay_signal) == SIG_ERR) {
- syslog(LOG_ERR,
+ if (signal(SIGTERM, auditd_relay_signal) == SIG_ERR) {
+ auditd_log_err(
"Could not set signal handler for SIGTERM");
fail_exit();
}
- if (signal(SIGCHLD, relay_signal) == SIG_ERR) {
- syslog(LOG_ERR,
+ if (signal(SIGCHLD, auditd_relay_signal) == SIG_ERR) {
+ auditd_log_err(
"Could not set signal handler for SIGCHLD");
fail_exit();
}
- if (signal(SIGHUP, relay_signal) == SIG_ERR) {
- syslog(LOG_ERR,
+ if (signal(SIGHUP, auditd_relay_signal) == SIG_ERR) {
+ auditd_log_err(
"Could not set signal handler for SIGHUP");
fail_exit();
}
+ if (signal(SIGALRM, auditd_relay_signal) == SIG_ERR) {
+ auditd_log_err(
+ "Could not set signal handler for SIGALRM");
+ fail_exit();
+ }
if ((pidfile = fopen(AUDITD_PIDFILE, "a")) == NULL) {
- syslog(LOG_ERR, "Could not open PID file");
+ auditd_log_err("Could not open PID file");
audit_warn_tmpfile();
return (-1);
}
@@ -545,7 +413,7 @@ register_daemon(void)
/* Attempt to lock the pid file; if a lock is present, exit. */
fd = fileno(pidfile);
if (flock(fd, LOCK_EX | LOCK_NB) < 0) {
- syslog(LOG_ERR,
+ auditd_log_err(
"PID file is locked (is another auditd running?).");
audit_warn_ebusy();
return (-1);
@@ -562,48 +430,6 @@ register_daemon(void)
return (0);
}
-#ifdef USE_MACH_IPC
-/*
- * Implementation of the auditd_control() MIG simpleroutine.
- *
- * React to input from the audit(1) tool.
- */
-
-/* ARGSUSED */
-kern_return_t
-auditd_control(mach_port_t __unused auditd_port, int trigger)
-{
- int err_ret = 0;
-
- switch (trigger) {
-
- case AUDIT_TRIGGER_ROTATE_USER:
- /*
- * Create a new file and swap with the one
- * being used in kernel.
- */
- if (swap_audit_file() == -1)
- syslog(LOG_ERR, "Error swapping audit file");
- break;
-
- case AUDIT_TRIGGER_READ_FILE:
- if (read_control_file() == -1)
- syslog(LOG_ERR, "Error in audit control file");
- break;
-
- case AUDIT_TRIGGER_CLOSE_AND_DIE:
- err_ret = close_all();
- exit (err_ret);
- break;
-
- default:
- break;
- }
-
- return (KERN_SUCCESS);
-}
-#endif /* USE_MACH_IPC */
-
/*
* Handle the audit trigger event.
*
@@ -615,25 +441,16 @@ auditd_control(mach_port_t __unused auditd_port, int trigger)
* not be retransmitted, and the log file will grow in an unbounded fashion.
*/
#define DUPLICATE_INTERVAL 30
-#ifdef USE_MACH_IPC
-#define AT_SUCCESS KERN_SUCCESS
-
-/* ARGSUSED */
-kern_return_t
-audit_triggers(mach_port_t __unused audit_port, int trigger)
-#else
-#define AT_SUCCESS 0
-
-static int
-handle_audit_trigger(int trigger)
-#endif
+void
+auditd_handle_trigger(int trigger)
{
static int last_trigger, last_warning;
static time_t last_time;
- struct dir_ent *dirent;
struct timeval ts;
struct timezone tzp;
time_t tt;
+ int au_state;
+ int err = 0;
/*
* Suppress duplicate messages from the kernel within the specified
@@ -652,10 +469,10 @@ handle_audit_trigger(int trigger)
if ((trigger == last_trigger) &&
(tt < (last_time + DUPLICATE_INTERVAL))) {
if (tt >= (last_warning + DUPLICATE_INTERVAL))
- syslog(LOG_INFO,
+ auditd_log_info(
"Suppressing duplicate trigger %d",
trigger);
- return (AT_SUCCESS);
+ return;
}
last_warning = tt;
break;
@@ -663,6 +480,8 @@ handle_audit_trigger(int trigger)
case AUDIT_TRIGGER_ROTATE_KERNEL:
case AUDIT_TRIGGER_ROTATE_USER:
case AUDIT_TRIGGER_READ_FILE:
+ case AUDIT_TRIGGER_CLOSE_AND_DIE:
+ case AUDIT_TRIGGER_INITIALIZE:
/*
* Triggers that we cannot suppress.
*/
@@ -678,166 +497,70 @@ handle_audit_trigger(int trigger)
last_time = tt;
}
+ au_state = auditd_get_state();
+
/*
* Message processing is done here.
*/
- dirent = TAILQ_FIRST(&dir_q);
switch(trigger) {
case AUDIT_TRIGGER_LOW_SPACE:
- syslog(LOG_INFO, "Got low space trigger");
- if (dirent && (dirent->softlim != 1)) {
- TAILQ_REMOVE(&dir_q, dirent, dirs);
- /* Add this node to the end of the list. */
- TAILQ_INSERT_TAIL(&dir_q, dirent, dirs);
- audit_warn_soft(dirent->dirname);
- dirent->softlim = 1;
-
- if (TAILQ_NEXT(TAILQ_FIRST(&dir_q), dirs) != NULL &&
- swap_audit_file() == -1)
- syslog(LOG_ERR, "Error swapping audit file");
-
- /*
- * Check if the next dir has already reached its soft
- * limit.
- */
- dirent = TAILQ_FIRST(&dir_q);
- if (dirent->softlim == 1) {
- /* All dirs have reached their soft limit. */
- audit_warn_allsoft();
- }
- } else {
- /*
- * Continue auditing to the current file. Also
- * generate an allsoft warning.
- *
- * XXX do we want to do this ?
- */
- audit_warn_allsoft();
- }
+ auditd_log_notice("Got low space trigger");
+ if (do_trail_file() == -1)
+ auditd_log_err("Error swapping audit file");
break;
case AUDIT_TRIGGER_NO_SPACE:
- syslog(LOG_INFO, "Got no space trigger");
-
- /* Delete current dir, go on to next. */
- TAILQ_REMOVE(&dir_q, dirent, dirs);
- audit_warn_hard(dirent->dirname);
- free(dirent->dirname);
- free(dirent);
-
- if (swap_audit_file() == -1)
- syslog(LOG_ERR, "Error swapping audit file");
-
- /* We are out of log directories. */
- audit_warn_allhard(++allhardcount);
+ auditd_log_notice("Got no space trigger");
+ if (do_trail_file() == -1)
+ auditd_log_err("Error swapping audit file");
break;
case AUDIT_TRIGGER_ROTATE_KERNEL:
case AUDIT_TRIGGER_ROTATE_USER:
- /*
- * Create a new file and swap with the one being used in
- * kernel
- */
- syslog(LOG_INFO, "Got open new trigger from %s", trigger ==
+ auditd_log_info("Got open new trigger from %s", trigger ==
AUDIT_TRIGGER_ROTATE_KERNEL ? "kernel" : "user");
- if (swap_audit_file() == -1)
- syslog(LOG_ERR, "Error swapping audit file");
+ if (au_state == AUD_STATE_ENABLED && do_trail_file() == -1)
+ auditd_log_err("Error swapping audit file");
break;
case AUDIT_TRIGGER_READ_FILE:
- syslog(LOG_INFO, "Got read file trigger");
- if (read_control_file() == -1)
- syslog(LOG_ERR, "Error in audit control file");
- if (config_audit_controls() == -1)
- syslog(LOG_ERR, "Error setting audit controls");
+ auditd_log_info("Got read file trigger");
+ if (au_state == AUD_STATE_ENABLED &&
+ auditd_config_controls() == -1)
+ auditd_log_err("Error setting audit controls");
break;
- default:
- syslog(LOG_ERR, "Got unknown trigger %d", trigger);
- break;
- }
-
- return (AT_SUCCESS);
-}
-
-#undef AT_SUCCESS
-
-static void
-handle_sighup(void)
-{
-
- sighups_handled = sighups;
- config_audit_controls();
-}
-
-static int
-config_audit_host(void)
-{
- char hoststr[MAXHOSTNAMELEN];
- struct sockaddr_in6 *sin6;
- struct sockaddr_in *sin;
- struct addrinfo *res;
- struct auditinfo_addr aia;
- int error;
-
- if (getachost(hoststr, MAXHOSTNAMELEN) != 0) {
- syslog(LOG_WARNING,
- "warning: failed to read 'host' param in control file");
+ case AUDIT_TRIGGER_CLOSE_AND_DIE:
+ auditd_log_info("Got close and die trigger");
+ if (au_state == AUD_STATE_ENABLED)
+ err = close_all();
/*
- * To maintain reverse compatability with older audit_control
- * files, simply drop a warning if the host parameter has not
- * been set. However, we will explicitly disable the
- * generation of extended audit header by passing in a zeroed
- * termid structure.
+ * Running under launchd don't exit. Wait for launchd to
+ * send SIGTERM.
*/
- bzero(&aia, sizeof(aia));
- aia.ai_termid.at_type = AU_IPv4;
- error = auditon(A_SETKAUDIT, &aia, sizeof(aia));
- if (error < 0 && errno == ENOSYS)
- return (0);
- else if (error < 0) {
- syslog(LOG_ERR,
- "Failed to set audit host info");
- return (-1);
+ if (!launchd_flag) {
+ auditd_log_info("auditd exiting.");
+ exit (err);
}
- return (0);
- }
- error = getaddrinfo(hoststr, NULL, NULL, &res);
- if (error) {
- syslog(LOG_ERR, "Failed to lookup hostname: %s", hoststr);
- return (-1);
- }
- switch (res->ai_family) {
- case PF_INET6:
- sin6 = (struct sockaddr_in6 *) res->ai_addr;
- bcopy(&sin6->sin6_addr.s6_addr,
- &aia.ai_termid.at_addr[0], sizeof(struct in6_addr));
- aia.ai_termid.at_type = AU_IPv6;
break;
- case PF_INET:
- sin = (struct sockaddr_in *) res->ai_addr;
- bcopy(&sin->sin_addr.s_addr,
- &aia.ai_termid.at_addr[0], sizeof(struct in_addr));
- aia.ai_termid.at_type = AU_IPv4;
+
+ case AUDIT_TRIGGER_INITIALIZE:
+ auditd_log_info("Got audit initialize trigger");
+ if (au_state == AUD_STATE_DISABLED)
+ audit_setup();
break;
+
default:
- syslog(LOG_ERR,
- "Un-supported address family in host parameter");
- return (-1);
- }
- if (auditon(A_SETKAUDIT, &aia, sizeof(aia)) < 0) {
- syslog(LOG_ERR,
- "auditon: failed to set audit host information");
- return (-1);
+ auditd_log_err("Got unknown trigger %d", trigger);
+ break;
}
- return (0);
}
/*
* Reap our children.
*/
-static void
-reap_children(void)
+void
+auditd_reap_children(void)
{
pid_t child;
int wstatus;
@@ -845,7 +568,7 @@ reap_children(void)
while ((child = waitpid(-1, &wstatus, WNOHANG)) > 0) {
if (!wstatus)
continue;
- syslog(LOG_INFO, "warn process [pid=%d] %s %d.", child,
+ auditd_log_info("warn process [pid=%d] %s %d.", child,
((WIFEXITED(wstatus)) ? "exited with non-zero status" :
"exited as a result of signal"),
((WIFEXITED(wstatus)) ? WEXITSTATUS(wstatus) :
@@ -853,287 +576,121 @@ reap_children(void)
}
}
-static void
-handle_sigchld(void)
-{
-
- sigchlds_handled = sigchlds;
- reap_children();
-}
-
/*
- * Read the control file for triggers/signals and handle appropriately.
+ * Reap any children and terminate. If under launchd don't shutdown auditing
+ * but just the other stuff.
*/
-#ifdef USE_MACH_IPC
-#define MAX_MSG_SIZE 4096
-
-static boolean_t
-auditd_combined_server(mach_msg_header_t *InHeadP,
- mach_msg_header_t *OutHeadP)
-{
- mach_port_t local_port = InHeadP->msgh_local_port;
-
- if (local_port == signal_port) {
- int signo = InHeadP->msgh_id;
- int ret;
-
- switch(signo) {
- case SIGTERM:
- ret = close_all();
- exit(ret);
-
- case SIGCHLD:
- handle_sigchld();
- return (TRUE);
-
- case SIGHUP:
- handle_sighup();
- return (TRUE);
-
- default:
- syslog(LOG_INFO, "Received signal %d", signo);
- return (TRUE);
- }
- } else if (local_port == control_port) {
- boolean_t result;
-
- result = audit_triggers_server(InHeadP, OutHeadP);
- if (!result)
- result = auditd_control_server(InHeadP, OutHeadP);
- return (result);
- }
- syslog(LOG_INFO, "Recevied msg on bad port 0x%x.", local_port);
- return (FALSE);
-}
-
-static int
-wait_for_events(void)
+void
+auditd_terminate(void)
{
- kern_return_t result;
+ int ret;
- result = mach_msg_server(auditd_combined_server, MAX_MSG_SIZE,
- port_set, MACH_MSG_OPTION_NONE);
- syslog(LOG_ERR, "abnormal exit\n");
- return (close_all());
-}
-
-#else /* ! USE_MACH_IPC */
-
-static int
-wait_for_events(void)
-{
- int num;
- unsigned int trigger;
+ auditd_reap_children();
+
+ if (launchd_flag)
+ ret = close_misc();
+ else
+ ret = close_all();
- for (;;) {
- num = read(triggerfd, &trigger, sizeof(trigger));
- if ((num == -1) && (errno != EINTR)) {
- syslog(LOG_ERR, "%s: error %d", __FUNCTION__, errno);
- return (-1);
- }
- if (sigterms != sigterms_handled) {
- syslog(LOG_DEBUG, "%s: SIGTERM", __FUNCTION__);
- break;
- }
- if (sigchlds != sigchlds_handled)
- handle_sigchld();
- if (sighups != sighups_handled) {
- syslog(LOG_DEBUG, "%s: SIGHUP", __FUNCTION__);
- handle_sighup();
- }
- if ((num == -1) && (errno == EINTR))
- continue;
- if (num == 0) {
- syslog(LOG_ERR, "%s: read EOF", __FUNCTION__);
- return (-1);
- }
- if (trigger == AUDIT_TRIGGER_CLOSE_AND_DIE)
- break;
- else
- (void)handle_audit_trigger(trigger);
- }
- return (close_all());
+ exit(ret);
}
-#endif /* ! USE_MACH_IPC */
/*
* Configure the audit controls in the kernel: the event to class mapping,
* kernel preselection mask, etc.
*/
-static int
-config_audit_controls(void)
+int
+auditd_config_controls(void)
{
- au_event_ent_t ev, *evp;
- au_evclass_map_t evc_map;
- au_mask_t aumask;
- int ctr = 0;
- char naeventstr[NA_EVENT_STR_SIZE];
- char polstr[POL_STR_SIZE];
- long policy;
- au_fstat_t au_fstat;
- size_t filesz;
-
- /*
- * Process the audit event file, obtaining a class mapping for each
- * event, and send that mapping into the kernel.
- *
- * XXX There's a risk here that the BSM library will return NULL
- * for an event when it can't properly map it to a class. In that
- * case, we will not process any events beyond the one that failed,
- * but should. We need a way to get a count of the events.
- */
- ev.ae_name = (char *)malloc(AU_EVENT_NAME_MAX);
- ev.ae_desc = (char *)malloc(AU_EVENT_DESC_MAX);
- if ((ev.ae_name == NULL) || (ev.ae_desc == NULL)) {
- if (ev.ae_name != NULL)
- free(ev.ae_name);
- syslog(LOG_ERR,
- "Memory allocation error when configuring audit controls.");
- return (-1);
- }
+ int cnt, err;
+ int ret = 0;
/*
- * XXXRW: Currently we have no way to remove mappings from the kernel
- * when they are removed from the file-based mappings.
- */
- evp = &ev;
- setauevent();
- while ((evp = getauevent_r(evp)) != NULL) {
- evc_map.ec_number = evp->ae_number;
- evc_map.ec_class = evp->ae_class;
- if (auditon(A_SETCLASS, &evc_map, sizeof(au_evclass_map_t))
- != 0)
- syslog(LOG_ERR,
- "Failed to register class mapping for event %s",
- evp->ae_name);
- else
- ctr++;
- }
- endauevent();
- free(ev.ae_name);
- free(ev.ae_desc);
- if (ctr == 0)
- syslog(LOG_ERR, "No events to class mappings registered.");
- else
- syslog(LOG_DEBUG, "Registered %d event to class mappings.",
- ctr);
-
- /*
- * Get the non-attributable event string and set the kernel mask from
- * that.
- */
- if ((getacna(naeventstr, NA_EVENT_STR_SIZE) == 0) &&
- (getauditflagsbin(naeventstr, &aumask) == 0)) {
- if (auditon(A_SETKMASK, &aumask, sizeof(au_mask_t)))
- syslog(LOG_ERR,
- "Failed to register non-attributable event mask.");
- else
- syslog(LOG_DEBUG,
- "Registered non-attributable event mask.");
+ * Configure event to class mappings in kernel.
+ */
+ cnt = auditd_set_evcmap();
+ if (cnt < 0) {
+ auditd_log_err("auditd_set_evcmap() failed: %m");
+ ret = -1;
+ } else if (cnt == 0) {
+ auditd_log_err("No events to class mappings registered.");
+ ret = -1;
} else
- syslog(LOG_ERR,
- "Failed to obtain non-attributable event mask.");
+ auditd_log_debug("Registered %d event to class mappings.", cnt);
/*
- * If a policy is configured in audit_control(5), implement the
- * policy. However, if one isn't defined, set AUDIT_CNT to avoid
- * leaving the system in a fragile state.
+ * Configure non-attributable event mask in kernel.
*/
- if ((getacpol(polstr, POL_STR_SIZE) == 0) &&
- (au_strtopol(polstr, &policy) == 0)) {
- if (auditon(A_SETPOLICY, &policy, sizeof(policy)))
- syslog(LOG_ERR, "Failed to set audit policy: %m");
- } else {
- syslog(LOG_ERR, "Failed to obtain policy flags: %m");
- policy = AUDIT_CNT;
- if (auditon(A_SETPOLICY, &policy, sizeof(policy)))
- syslog(LOG_ERR,
- "Failed to set default audit policy: %m");
- }
+ err = auditd_set_namask();
+ if (err) {
+ auditd_log_err("auditd_set_namask() %s: %m",
+ auditd_strerror(err));
+ ret = -1;
+ } else
+ auditd_log_debug("Registered non-attributable event mask.");
/*
- * Set trail rotation size.
+ * Configure audit policy in kernel.
*/
- if (getacfilesz(&filesz) == 0) {
- bzero(&au_fstat, sizeof(au_fstat));
- au_fstat.af_filesz = filesz;
- if (auditon(A_SETFSIZE, &au_fstat, sizeof(au_fstat)) < 0)
- syslog(LOG_ERR, "Failed to set filesz: %m");
+ err = auditd_set_policy();
+ if (err) {
+ auditd_log_err("auditd_set_policy() %s: %m",
+ auditd_strerror(err));
+ ret = -1;
} else
- syslog(LOG_ERR, "Failed to obtain filesz: %m");
-
- return (config_audit_host());
-}
-
-#ifdef USE_MACH_IPC
-static void
-mach_setup(void)
-{
- mach_msg_type_name_t poly;
-
+ auditd_log_debug("Set audit policy in kernel.");
+
/*
- * Allocate a port set
+ * Configure audit trail log size in kernel.
*/
- if (mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_PORT_SET,
- &port_set) != KERN_SUCCESS) {
- syslog(LOG_ERR, "Allocation of port set failed");
- fail_exit();
- }
-
+ err = auditd_set_fsize();
+ if (err) {
+ auditd_log_err("audit_set_fsize() %s: %m",
+ auditd_strerror(err));
+ ret = -1;
+ } else
+ auditd_log_debug("Set audit trail size in kernel.");
+
/*
- * Allocate a signal reflection port
+ * Configure audit trail volume minimum free percentage of blocks in
+ * kernel.
*/
- if (mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE,
- &signal_port) != KERN_SUCCESS ||
- mach_port_move_member(mach_task_self(), signal_port, port_set) !=
- KERN_SUCCESS) {
- syslog(LOG_ERR, "Allocation of signal port failed");
- fail_exit();
- }
+ err = auditd_set_minfree();
+ if (err) {
+ auditd_log_err("auditd_set_minfree() %s: %m",
+ auditd_strerror(err));
+ ret = -1;
+ } else
+ auditd_log_debug(
+ "Set audit trail min free percent in kernel.");
/*
- * Allocate a trigger port
- */
- if (mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE,
- &control_port) != KERN_SUCCESS ||
- mach_port_move_member(mach_task_self(), control_port, port_set)
- != KERN_SUCCESS)
- syslog(LOG_ERR, "Allocation of trigger port failed");
-
- /*
- * Create a send right on our trigger port.
+ * Configure host address in the audit kernel information.
*/
- mach_port_extract_right(mach_task_self(), control_port,
- MACH_MSG_TYPE_MAKE_SEND, &control_port, &poly);
-
- /*
- * Register the trigger port with the kernel.
- */
- if (host_set_audit_control_port(mach_host_self(), control_port) !=
- KERN_SUCCESS) {
- syslog(LOG_ERR, "Cannot set Mach control port");
- fail_exit();
+ err = auditd_set_host();
+ if (err) {
+ auditd_log_err("auditd_set_host() %s: %m",
+ auditd_strerror(err));
+ ret = -1;
} else
- syslog(LOG_DEBUG, "Mach control port registered");
+ auditd_log_debug(
+ "Set audit host address information in kernel.");
+
+ return (ret);
}
-#endif /* USE_MACH_IPC */
+/*
+ * Setup and initialize auditd.
+ */
static void
setup(void)
{
- struct auditinfo ai;
- auditinfo_t auinfo;
- int aufd;
- token_t *tok;
+ int err;
-#ifdef USE_MACH_IPC
- mach_setup();
-#else
- if ((triggerfd = open(AUDIT_TRIGGER_FILE, O_RDONLY, 0)) < 0) {
- syslog(LOG_ERR, "Error opening trigger file");
+ if (auditd_open_trigger(launchd_flag) < 0) {
+ auditd_log_err("Error opening trigger messaging mechanism");
fail_exit();
}
-#endif
/*
* To prevent event feedback cycles and avoid auditd becoming
@@ -1142,49 +699,25 @@ setup(void)
* mask fields to be implicitly set to zero, but do set the pid. We
* run this after opening the trigger device to avoid configuring
* audit state without audit present in the system.
- *
- * XXXRW: Is there more to it than this?
*/
- bzero(&auinfo, sizeof(auinfo));
- auinfo.ai_asid = getpid();
- if (setaudit(&auinfo) == -1) {
- syslog(LOG_ERR, "Error setting audit stat");
+ err = auditd_prevent_audit();
+ if (err) {
+ auditd_log_err("auditd_prevent_audit() %s: %m",
+ auditd_strerror(err));
fail_exit();
}
- TAILQ_INIT(&dir_q);
- if (read_control_file() == -1) {
- syslog(LOG_ERR, "Error reading control file");
- fail_exit();
- }
-
- /* Generate an audit record. */
- if ((aufd = au_open()) == -1)
- syslog(LOG_ERR, "Could not create audit startup event.");
- else {
- /*
- * XXXCSJP Perhaps we want more robust audit records for
- * audit start up and shutdown. This might include capturing
- * failures to initialize the audit subsystem?
- */
- bzero(&ai, sizeof(ai));
- if ((tok = au_to_subject32(getuid(), geteuid(), getegid(),
- getuid(), getgid(), getpid(), getpid(), &ai.ai_termid))
- != NULL)
- au_write(aufd, tok);
- if ((tok = au_to_text("auditd::Audit startup")) != NULL)
- au_write(aufd, tok);
- if ((tok = au_to_return32(0, 0)) != NULL)
- au_write(aufd, tok);
- if (au_close(aufd, 1, AUE_audit_startup) == -1)
- syslog(LOG_ERR,
- "Could not close audit startup event.");
- }
+ /*
+ * Make sure auditd auditing state is correct.
+ */
+ auditd_set_state(AUD_STATE_INIT);
- if (config_audit_controls() == 0)
- syslog(LOG_INFO, "Audit controls init successful");
- else
- syslog(LOG_ERR, "Audit controls init failed");
+ /*
+ * If under launchd, don't start auditing. Wait for a trigger to
+ * do so.
+ */
+ if (!launchd_flag)
+ audit_setup();
}
int
@@ -1192,48 +725,73 @@ main(int argc, char **argv)
{
int ch;
int debug = 0;
- int rc, logopts;
+#ifdef AUDIT_REVIEW_GROUP
+ struct group *grp;
+#endif
- while ((ch = getopt(argc, argv, "d")) != -1) {
+ while ((ch = getopt(argc, argv, "dl")) != -1) {
switch(ch) {
case 'd':
/* Debug option. */
debug = 1;
break;
+ case 'l':
+ /* Be launchd friendly. */
+ launchd_flag = 1;
+ break;
+
case '?':
default:
(void)fprintf(stderr,
- "usage: auditd [-d] \n");
+ "usage: auditd [-d] [-l]\n");
exit(1);
}
}
- logopts = LOG_CONS | LOG_PID;
- if (debug != 0)
- logopts |= LOG_PERROR;
+ audit_review_gid = getgid();
-#ifdef LOG_SECURITY
- openlog("auditd", logopts, LOG_SECURITY);
-#else
- openlog("auditd", logopts, LOG_AUTH);
+#ifdef AUDIT_REVIEW_GROUP
+ /*
+ * XXXRW: Currently, this code falls back to the daemon gid, which is
+ * likely the wheel group. Is there a better way to deal with this?
+ */
+ grp = getgrnam(AUDIT_REVIEW_GROUP);
+ if (grp != NULL)
+ audit_review_gid = grp->gr_gid;
#endif
- syslog(LOG_INFO, "starting...");
- if (debug == 0 && daemon(0, 0) == -1) {
- syslog(LOG_ERR, "Failed to daemonize");
+ auditd_openlog(debug, audit_review_gid);
+
+ if (launchd_flag)
+ auditd_log_info("started by launchd...");
+ else
+ auditd_log_info("starting...");
+
+#ifdef AUDIT_REVIEW_GROUP
+ if (grp == NULL)
+ auditd_log_info(
+ "Audit review group '%s' not available, using daemon gid (%d)",
+ AUDIT_REVIEW_GROUP, audit_review_gid);
+#endif
+ if (debug == 0 && launchd_flag == 0 && daemon(0, 0) == -1) {
+ auditd_log_err("Failed to daemonize");
exit(1);
}
if (register_daemon() == -1) {
- syslog(LOG_ERR, "Could not register as daemon");
+ auditd_log_err("Could not register as daemon");
exit(1);
}
setup();
- rc = wait_for_events();
- syslog(LOG_INFO, "auditd exiting.");
+ /*
+ * auditd_wait_for_events() shouldn't return unless something is wrong.
+ */
+ auditd_wait_for_events();
- exit(rc);
+ auditd_log_err("abnormal exit.");
+ close_all();
+ exit(-1);
}
diff --git a/contrib/openbsm/bin/auditd/auditd.h b/contrib/openbsm/bin/auditd/auditd.h
index 688aea39400f6..0351a0ec1507b 100644
--- a/contrib/openbsm/bin/auditd/auditd.h
+++ b/contrib/openbsm/bin/auditd/auditd.h
@@ -26,7 +26,7 @@
* (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/bin/auditd/auditd.h#11 $
+ * $P4: //depot/projects/trustedbsd/openbsm/bin/auditd/auditd.h#12 $
*/
#ifndef _AUDITD_H_
@@ -46,17 +46,6 @@
*/
#define AUDIT_REVIEW_GROUP "audit"
-#define NOT_TERMINATED "not_terminated"
-#define POSTFIX_LEN (sizeof("YYYYMMDDhhmmss") - 1)
-#define FILENAME_LEN ((2 * POSTFIX_LEN) + 2)
-#define TIMESTAMP_LEN (POSTFIX_LEN + 1)
-
-struct dir_ent {
- char *dirname;
- char softlim;
- TAILQ_ENTRY(dir_ent) dirs;
-};
-
#define HARDLIM_ALL_WARN "allhard"
#define SOFTLIM_ALL_WARN "allsoft"
#define AUDITOFF_WARN "auditoff"
@@ -72,7 +61,11 @@ struct dir_ent {
#define AUDITWARN_SCRIPT "/etc/security/audit_warn"
#define AUDITD_PIDFILE "/var/run/auditd.pid"
-int audit_warn_allhard(int count);
+#define AUD_STATE_INIT -1
+#define AUD_STATE_DISABLED 0
+#define AUD_STATE_ENABLED 1
+
+int audit_warn_allhard(void);
int audit_warn_allsoft(void);
int audit_warn_auditoff(void);
int audit_warn_closefile(char *filename);
@@ -84,4 +77,24 @@ int audit_warn_postsigterm(void);
int audit_warn_soft(char *filename);
int audit_warn_tmpfile(void);
+void auditd_openlog(int debug, gid_t gid);
+void auditd_log_err(const char *fmt, ...);
+void auditd_log_debug(const char *fmt, ...);
+void auditd_log_info(const char *fmt, ...);
+void auditd_log_notice(const char *fmt, ...);
+
+void auditd_set_state(int state);
+int auditd_get_state(void);
+
+int auditd_open_trigger(int launchd_flag);
+int auditd_close_trigger(void);
+void auditd_handle_trigger(int trigger);
+
+void auditd_wait_for_events(void);
+void auditd_relay_signal(int signal);
+void auditd_terminate(void);
+int auditd_config_controls(void);
+void auditd_reap_children(void);
+
+
#endif /* !_AUDITD_H_ */
diff --git a/contrib/openbsm/bin/auditd/auditd_darwin.c b/contrib/openbsm/bin/auditd/auditd_darwin.c
new file mode 100644
index 0000000000000..55d79f4f155ad
--- /dev/null
+++ b/contrib/openbsm/bin/auditd/auditd_darwin.c
@@ -0,0 +1,484 @@
+/*-
+ * Copyright (c) 2004-2008 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/bin/auditd/auditd_darwin.c#2 $
+ */
+
+#include <sys/types.h>
+
+#include <config/config.h>
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <bsm/audit.h>
+#include <bsm/audit_uevents.h>
+#include <bsm/auditd_lib.h>
+#include <bsm/libbsm.h>
+
+#include <asl.h>
+#include <launch.h>
+#include <notify.h>
+#include <mach/port.h>
+#include <mach/mach_error.h>
+#include <mach/mach_traps.h>
+#include <mach/mach.h>
+#include <mach/host_special_ports.h>
+
+#include "auditd.h"
+
+#include "auditd_controlServer.h"
+#include "audit_triggersServer.h"
+
+/*
+ * Apple System Logger Handles.
+ */
+static aslmsg au_aslmsg = NULL;
+static aslclient au_aslclient = NULL;
+
+static mach_port_t control_port = MACH_PORT_NULL;
+static mach_port_t signal_port = MACH_PORT_NULL;
+static mach_port_t port_set = MACH_PORT_NULL;
+
+/*
+ * Current auditing state (cache).
+ */
+static int auditing_state = AUD_STATE_INIT;
+
+/*
+ * Maximum idle time before auditd terminates under launchd.
+ * If it is zero then auditd does not timeout while idle.
+ */
+static int max_idletime = 0;
+
+#ifndef __BSM_INTERNAL_NOTIFY_KEY
+#define __BSM_INTERNAL_NOTIFY_KEY "com.apple.audit.change"
+#endif /* __BSM_INTERNAL_NOTIFY_KEY */
+
+#ifndef __AUDIT_LAUNCHD_LABEL
+#define __AUDIT_LAUNCHD_LABEL "org.trustedbsd.auditd"
+#endif /* __AUDIT_LAUNCHD_LABEL */
+
+#define MAX_MSG_SIZE 4096
+
+/*
+ * Open and set up system logging.
+ */
+void
+auditd_openlog(int debug, gid_t gid)
+{
+ uint32_t opt = 0;
+ char *cp = NULL;
+
+ if (debug)
+ opt = ASL_OPT_STDERR;
+
+ au_aslclient = asl_open("auditd", "org.trustedbsd.auditd", opt);
+ au_aslmsg = asl_new(ASL_TYPE_MSG);
+
+#ifdef ASL_KEY_READ_UID
+ /*
+ * Make it only so the audit administrator and members of the audit
+ * review group (if used) have access to the auditd system log messages.
+ */
+ asl_set(au_aslmsg, ASL_KEY_READ_UID, "0");
+ asprintf(&cp, "%u", gid);
+ if (cp != NULL) {
+#ifdef ASL_KEY_READ_GID
+ asl_set(au_aslmsg, ASL_KEY_READ_GID, cp);
+#endif
+ free(cp);
+ }
+#endif
+
+ /*
+ * Set the client-side system log filtering.
+ */
+ if (debug)
+ asl_set_filter(au_aslclient,
+ ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG));
+ else
+ asl_set_filter(au_aslclient,
+ ASL_FILTER_MASK_UPTO(ASL_LEVEL_INFO));
+}
+
+/*
+ * Log messages at different priority levels.
+ */
+void
+auditd_log_err(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ asl_vlog(au_aslclient, au_aslmsg, ASL_LEVEL_ERR, fmt, ap);
+ va_end(ap);
+}
+
+void
+auditd_log_notice(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ asl_vlog(au_aslclient, au_aslmsg, ASL_LEVEL_NOTICE, fmt, ap);
+ va_end(ap);
+}
+
+void
+auditd_log_info(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ asl_vlog(au_aslclient, au_aslmsg, ASL_LEVEL_INFO, fmt, ap);
+ va_end(ap);
+}
+
+void
+auditd_log_debug(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ asl_vlog(au_aslclient, au_aslmsg, ASL_LEVEL_DEBUG, fmt, ap);
+ va_end(ap);
+}
+
+/*
+ * Get the auditing state from the kernel and cache it.
+ */
+static void
+init_audit_state(void)
+{
+ long au_cond;
+
+ if (auditon(A_GETCOND, &au_cond, sizeof(long)) < 0) {
+ if (errno != ENOSYS) {
+ auditd_log_err("Audit status check failed (%s)",
+ strerror(errno));
+ }
+ auditing_state = AUD_STATE_DISABLED;
+ } else
+ if (au_cond == AUC_NOAUDIT || au_cond == AUC_DISABLED)
+ auditing_state = AUD_STATE_DISABLED;
+ else
+ auditing_state = AUD_STATE_ENABLED;
+}
+
+/*
+ * Update the cached auditing state. Let other tasks that may be caching it
+ * as well to update their state via notify(3).
+ */
+void
+auditd_set_state(int state)
+{
+ int old_auditing_state = auditing_state;
+
+ if (state == AUD_STATE_INIT)
+ init_audit_state();
+ else
+ auditing_state = state;
+
+ if (auditing_state != old_auditing_state) {
+ notify_post(__BSM_INTERNAL_NOTIFY_KEY);
+
+ if (auditing_state == AUD_STATE_ENABLED)
+ auditd_log_notice("Auditing enabled");
+ if (auditing_state == AUD_STATE_DISABLED)
+ auditd_log_notice("Auditing disabled");
+ }
+}
+
+/*
+ * Get the cached auditing state.
+ */
+int
+auditd_get_state(void)
+{
+
+ if (auditing_state == AUD_STATE_INIT) {
+ init_audit_state();
+ notify_post(__BSM_INTERNAL_NOTIFY_KEY);
+ }
+
+ return (auditing_state);
+}
+
+/*
+ * Lookup the audit mach port in the launchd dictionary.
+ */
+static mach_port_t
+lookup_machport(const char *label)
+{
+ launch_data_t msg, msd, ld, cdict, to;
+ mach_port_t mp = MACH_PORT_NULL;
+
+ msg = launch_data_new_string(LAUNCH_KEY_CHECKIN);
+
+ cdict = launch_msg(msg);
+ if (cdict == NULL) {
+ auditd_log_err("launch_msg(\"" LAUNCH_KEY_CHECKIN
+ "\") IPC failure: %m");
+ return (MACH_PORT_NULL);
+ }
+
+ if (launch_data_get_type(cdict) == LAUNCH_DATA_ERRNO) {
+ errno = launch_data_get_errno(cdict);
+ auditd_log_err("launch_data_get_type() can't get dict: %m");
+ return (MACH_PORT_NULL);
+ }
+
+ to = launch_data_dict_lookup(cdict, LAUNCH_JOBKEY_TIMEOUT);
+ if (to) {
+ max_idletime = launch_data_get_integer(to);
+ auditd_log_debug("launchd timeout set to %d", max_idletime);
+ } else {
+ auditd_log_debug("launchd timeout not set, setting to 60");
+ max_idletime = 60;
+ }
+
+ msd = launch_data_dict_lookup(cdict, LAUNCH_JOBKEY_MACHSERVICES);
+ if (msd == NULL) {
+ auditd_log_err(
+ "launch_data_dict_lookup() can't get mach services");
+ return (MACH_PORT_NULL);
+ }
+
+ ld = launch_data_dict_lookup(msd, label);
+ if (ld == NULL) {
+ auditd_log_err("launch_data_dict_lookup can't find %s", label);
+ return (MACH_PORT_NULL);
+ }
+
+ mp = launch_data_get_machport(ld);
+
+ return (mp);
+}
+
+static int
+mach_setup(int launchd_flag)
+{
+ mach_msg_type_name_t poly;
+
+ /*
+ * Allocate a port set.
+ */
+ if (mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_PORT_SET,
+ &port_set) != KERN_SUCCESS) {
+ auditd_log_err("Allocation of port set failed");
+ return (-1);
+ }
+
+
+ /*
+ * Allocate a signal reflection port.
+ */
+ if (mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE,
+ &signal_port) != KERN_SUCCESS ||
+ mach_port_move_member(mach_task_self(), signal_port, port_set) !=
+ KERN_SUCCESS) {
+ auditd_log_err("Allocation of signal port failed");
+ return (-1);
+ }
+
+ /*
+ * Allocate a trigger port.
+ */
+ if (launchd_flag) {
+ /*
+ * If started under launchd, lookup port in launchd dictionary.
+ */
+ if ((control_port = lookup_machport(__AUDIT_LAUNCHD_LABEL)) ==
+ MACH_PORT_NULL || mach_port_move_member(mach_task_self(),
+ control_port, port_set) != KERN_SUCCESS) {
+ auditd_log_err("Cannot get Mach control port"
+ " via launchd");
+ return (-1);
+ } else
+ auditd_log_debug("Mach control port registered"
+ " via launchd");
+ } else {
+ /*
+ * If not started under launchd, allocate port and register.
+ */
+ if (mach_port_allocate(mach_task_self(),
+ MACH_PORT_RIGHT_RECEIVE, &control_port) != KERN_SUCCESS ||
+ mach_port_move_member(mach_task_self(), control_port,
+ port_set) != KERN_SUCCESS)
+ auditd_log_err("Allocation of trigger port failed");
+
+ /*
+ * Create a send right on our trigger port.
+ */
+ mach_port_extract_right(mach_task_self(), control_port,
+ MACH_MSG_TYPE_MAKE_SEND, &control_port, &poly);
+
+ /*
+ * Register the trigger port with the kernel.
+ */
+ if (host_set_audit_control_port(mach_host_self(),
+ control_port) != KERN_SUCCESS) {
+ auditd_log_err("Cannot set Mach control port");
+ return (-1);
+ } else
+ auditd_log_debug("Mach control port registered");
+ }
+
+ return (0);
+}
+
+/*
+ * Open the trigger messaging mechanism.
+ */
+int
+auditd_open_trigger(int launchd_flag)
+{
+
+ return (mach_setup(launchd_flag));
+}
+
+/*
+ * Close the trigger messaging mechanism.
+ */
+int
+auditd_close_trigger(void)
+{
+
+ return (0);
+}
+
+/*
+ * Combined server handler. Called by the mach message loop when there is
+ * a trigger or signal message.
+ */
+static boolean_t
+auditd_combined_server(mach_msg_header_t *InHeadP, mach_msg_header_t *OutHeadP)
+{
+ mach_port_t local_port = InHeadP->msgh_local_port;
+
+ /* Reset the idle time alarm, if used. */
+ if (max_idletime)
+ alarm(max_idletime);
+
+ if (local_port == signal_port) {
+ int signo = InHeadP->msgh_id;
+
+ switch(signo) {
+ case SIGTERM:
+ case SIGALRM:
+ auditd_terminate();
+ /* Not reached. */
+
+ case SIGCHLD:
+ auditd_reap_children();
+ return (TRUE);
+
+ case SIGHUP:
+ auditd_config_controls();
+ return (TRUE);
+
+ default:
+ auditd_log_info("Received signal %d", signo);
+ return (TRUE);
+ }
+ } else if (local_port == control_port) {
+ boolean_t result;
+
+ result = audit_triggers_server(InHeadP, OutHeadP);
+ if (!result)
+ result = auditd_control_server(InHeadP, OutHeadP);
+ return (result);
+ }
+ auditd_log_info("Recevied msg on bad port 0x%x.", local_port);
+ return (FALSE);
+}
+
+/*
+ * The main event loop. Wait for trigger messages or signals and handle them.
+ * It should not return unless there is a problem.
+ */
+void
+auditd_wait_for_events(void)
+{
+ kern_return_t result;
+
+ /*
+ * Call the mach messaging server loop.
+ */
+ result = mach_msg_server(auditd_combined_server, MAX_MSG_SIZE,
+ port_set, MACH_MSG_OPTION_NONE);
+}
+
+/*
+ * Implementation of the audit_triggers() MIG simpleroutine. Simply a
+ * wrapper function. This handles input from the kernel on the host
+ * special mach port.
+ */
+kern_return_t
+audit_triggers(mach_port_t __unused audit_port, int trigger)
+{
+
+ auditd_handle_trigger(trigger);
+
+ return (KERN_SUCCESS);
+}
+
+/*
+ * Implementation of the auditd_control() MIG simpleroutine. Simply a
+ * wrapper function. This handles input from the audit(1) tool.
+ */
+kern_return_t
+auditd_control(mach_port_t __unused auditd_port, int trigger)
+{
+
+ auditd_handle_trigger(trigger);
+
+ return (KERN_SUCCESS);
+}
+
+/*
+ * When we get a signal, we are often not at a clean point. So, little can
+ * be done in the signal handler itself. Instead, we send a message to the
+ * main servicing loop to do proper handling from a non-signal-handler
+ * context.
+ */
+void
+auditd_relay_signal(int signal)
+{
+ mach_msg_empty_send_t msg;
+
+ msg.header.msgh_id = signal;
+ msg.header.msgh_remote_port = signal_port;
+ msg.header.msgh_local_port = MACH_PORT_NULL;
+ msg.header.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_MAKE_SEND, 0);
+ mach_msg(&(msg.header), MACH_SEND_MSG|MACH_SEND_TIMEOUT, sizeof(msg),
+ 0, MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
+}
diff --git a/contrib/openbsm/bin/auditd/auditd_fbsd.c b/contrib/openbsm/bin/auditd/auditd_fbsd.c
new file mode 100644
index 0000000000000..945e6d2b9e6e9
--- /dev/null
+++ b/contrib/openbsm/bin/auditd/auditd_fbsd.c
@@ -0,0 +1,272 @@
+/*-
+ * Copyright (c) 2004-2008 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/bin/auditd/auditd_fbsd.c#1 $
+ */
+
+#include <sys/types.h>
+
+#include <config/config.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <syslog.h>
+#include <stdarg.h>
+
+#include <bsm/audit.h>
+#include <bsm/audit_uevents.h>
+#include <bsm/auditd_lib.h>
+#include <bsm/libbsm.h>
+
+#include "auditd.h"
+
+/*
+ * Current auditing state (cache).
+ */
+static int auditing_state = AUD_STATE_INIT;
+
+/*
+ * Maximum idle time before auditd terminates under launchd.
+ * If it is zero then auditd does not timeout while idle.
+ */
+static int max_idletime = 0;
+
+static int sigchlds, sigchlds_handled;
+static int sighups, sighups_handled;
+static int sigterms, sigterms_handled;
+static int sigalrms, sigalrms_handled;
+
+static int triggerfd = 0;
+
+/*
+ * Open and set up system logging.
+ */
+void
+auditd_openlog(int debug, gid_t __unused gid)
+{
+ int logopts = LOG_CONS | LOG_PID;
+
+ if (debug)
+ logopts |= LOG_PERROR;
+
+#ifdef LOG_SECURITY
+ openlog("auditd", logopts, LOG_SECURITY);
+#else
+ openlog("auditd", logopts, LOG_AUTH);
+#endif
+}
+
+/*
+ * Log messages at different priority levels.
+ */
+void
+auditd_log_err(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vsyslog(LOG_ERR, fmt, ap);
+ va_end(ap);
+}
+
+void
+auditd_log_notice(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vsyslog(LOG_NOTICE, fmt, ap);
+ va_end(ap);
+}
+
+void
+auditd_log_info(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vsyslog(LOG_INFO, fmt, ap);
+ va_end(ap);
+}
+
+void
+auditd_log_debug(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vsyslog(LOG_DEBUG, fmt, ap);
+ va_end(ap);
+}
+
+/*
+ * Get the auditing state from the kernel and cache it.
+ */
+static void
+init_audit_state(void)
+{
+ long au_cond;
+
+ if (auditon(A_GETCOND, &au_cond, sizeof(long)) < 0) {
+ if (errno != ENOSYS) {
+ auditd_log_err("Audit status check failed (%s)",
+ strerror(errno));
+ }
+ auditing_state = AUD_STATE_DISABLED;
+ } else
+ if (au_cond == AUC_NOAUDIT || au_cond == AUC_DISABLED)
+ auditing_state = AUD_STATE_DISABLED;
+ else
+ auditing_state = AUD_STATE_ENABLED;
+}
+
+/*
+ * Update the cached auditing state.
+ */
+void
+auditd_set_state(int state)
+{
+ int old_auditing_state = auditing_state;
+
+ if (state == AUD_STATE_INIT)
+ init_audit_state();
+ else
+ auditing_state = state;
+
+ if (auditing_state != old_auditing_state) {
+ if (auditing_state == AUD_STATE_ENABLED)
+ auditd_log_notice("Auditing enabled");
+ if (auditing_state == AUD_STATE_DISABLED)
+ auditd_log_notice("Auditing disabled");
+ }
+}
+
+/*
+ * Get the cached auditing state.
+ */
+int
+auditd_get_state(void)
+{
+
+ if (auditing_state == AUD_STATE_INIT)
+ init_audit_state();
+
+ return (auditing_state);
+}
+
+/*
+ * Open the trigger messaging mechanism.
+ */
+int
+auditd_open_trigger(int __unused launchd_flag)
+{
+
+ return ((triggerfd = open(AUDIT_TRIGGER_FILE, O_RDONLY, 0)));
+}
+
+/*
+ * Close the trigger messaging mechanism.
+ */
+int
+auditd_close_trigger(void)
+{
+
+ return (close(triggerfd));
+}
+
+/*
+ * The main event loop. Wait for trigger messages or signals and handle them.
+ * It should not return unless there is a problem.
+ */
+void
+auditd_wait_for_events(void)
+{
+ int num;
+ unsigned int trigger;
+
+ for (;;) {
+ num = read(triggerfd, &trigger, sizeof(trigger));
+ if ((num == -1) && (errno != EINTR)) {
+ auditd_log_err("%s: error %d", __FUNCTION__, errno);
+ return;
+ }
+
+ /* Reset the idle time alarm, if used. */
+ if (max_idletime)
+ alarm(max_idletime);
+
+ if (sigterms != sigterms_handled) {
+ auditd_log_debug("%s: SIGTERM", __FUNCTION__);
+ auditd_terminate();
+ /* not reached */
+ }
+ if (sigalrms != sigalrms_handled) {
+ auditd_log_debug("%s: SIGALRM", __FUNCTION__);
+ auditd_terminate();
+ /* not reached */
+ }
+ if (sigchlds != sigchlds_handled) {
+ sigchlds_handled = sigchlds;
+ auditd_reap_children();
+ }
+ if (sighups != sighups_handled) {
+ auditd_log_debug("%s: SIGHUP", __FUNCTION__);
+ sighups_handled = sighups;
+ auditd_config_controls();
+ }
+
+ if ((num == -1) && (errno == EINTR))
+ continue;
+ if (num == 0) {
+ auditd_log_err("%s: read EOF", __FUNCTION__);
+ return;
+ }
+ auditd_handle_trigger(trigger);
+ }
+}
+
+/*
+ * When we get a signal, we are often not at a clean point. So, little can
+ * be done in the signal handler itself. Instead, we send a message to the
+ * main servicing loop to do proper handling from a non-signal-handler
+ * context.
+ */
+void
+auditd_relay_signal(int signal)
+{
+ if (signal == SIGHUP)
+ sighups++;
+ if (signal == SIGTERM)
+ sigterms++;
+ if (signal == SIGCHLD)
+ sigchlds++;
+ if (signal == SIGALRM)
+ sigalrms++;
+}
+
diff --git a/contrib/openbsm/bin/auditfilterd/Makefile.in b/contrib/openbsm/bin/auditfilterd/Makefile.in
index 874e1062cd466..07926da574e50 100644
--- a/contrib/openbsm/bin/auditfilterd/Makefile.in
+++ b/contrib/openbsm/bin/auditfilterd/Makefile.in
@@ -15,7 +15,7 @@
@SET_MAKE@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/auditfilterd/Makefile.in#6 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/auditfilterd/Makefile.in#7 $
#
VPATH = @srcdir@
diff --git a/contrib/openbsm/bin/auditreduce/Makefile.in b/contrib/openbsm/bin/auditreduce/Makefile.in
index b18513f2c84e6..1030a837a7912 100644
--- a/contrib/openbsm/bin/auditreduce/Makefile.in
+++ b/contrib/openbsm/bin/auditreduce/Makefile.in
@@ -15,7 +15,7 @@
@SET_MAKE@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/auditreduce/Makefile.in#8 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/auditreduce/Makefile.in#9 $
#
VPATH = @srcdir@
diff --git a/contrib/openbsm/bin/auditreduce/auditreduce.c b/contrib/openbsm/bin/auditreduce/auditreduce.c
index f22f4546a4efd..215852563dc81 100644
--- a/contrib/openbsm/bin/auditreduce/auditreduce.c
+++ b/contrib/openbsm/bin/auditreduce/auditreduce.c
@@ -26,7 +26,7 @@
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
- * $P4: //depot/projects/trustedbsd/openbsm/bin/auditreduce/auditreduce.c#28 $
+ * $P4: //depot/projects/trustedbsd/openbsm/bin/auditreduce/auditreduce.c#29 $
*/
/*
@@ -567,7 +567,7 @@ select_records(FILE *fp)
* The -o option has the form object_type=object_value. Identify the object
* components.
*/
-void
+static void
parse_object_type(char *name, char *val)
{
if (val == NULL)
diff --git a/contrib/openbsm/bin/praudit/Makefile.in b/contrib/openbsm/bin/praudit/Makefile.in
index 4472757506442..025b48fbb8627 100644
--- a/contrib/openbsm/bin/praudit/Makefile.in
+++ b/contrib/openbsm/bin/praudit/Makefile.in
@@ -15,7 +15,7 @@
@SET_MAKE@
#
-# $P4: //depot/projects/trustedbsd/openbsm/bin/praudit/Makefile.in#8 $
+# $P4: //depot/projects/trustedbsd/openbsm/bin/praudit/Makefile.in#9 $
#
VPATH = @srcdir@