3 files changed, 121 insertions, 0 deletions
diff --git a/regress/usr.bin/lastcomm/LICENSE b/regress/usr.bin/lastcomm/LICENSE
new file mode 100644
index 00000000000..fc86159c7c6
--- /dev/null
+++ b/regress/usr.bin/lastcomm/LICENSE
@@ -0,0 +1,13 @@
+# Copyright (c) 2017 Alexander Bluhm <bluhm@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/regress/usr.bin/lastcomm/Makefile b/regress/usr.bin/lastcomm/Makefile
new file mode 100644
index 00000000000..a04efa8cc79
--- /dev/null
+++ b/regress/usr.bin/lastcomm/Makefile
@@ -0,0 +1,82 @@
+# $OpenBSD: Makefile,v 1.1.1.1 2017/06/08 17:29:33 bluhm Exp $
+
+# Start with a clean /var/account/acct accounting file and turn on
+# process accounting with accton(8).  Each test executes a command
+# with a unique name and checks the flags in the lastcomm(1) output.
+# Run tests with fork, su, core, xsig, pledge, trap accounting.
+
+PROG=		crash
+CLEANFILES=	bin-* stamp-*
+
+.if make (regress) || make (all)
+.BEGIN:
+	@echo
+	rm -f stamp-rotate
+.endif
+
+# Rotate accouting files and keep statistics, from /etc/daily.
+stamp-rotate:
+	@echo '\n======== $@ ========'
+	${SUDO} touch /var/account/acct
+	-${SUDO} mv -f /var/account/acct.2 /var/account/acct.3
+	-${SUDO} mv -f /var/account/acct.1 /var/account/acct.2
+	-${SUDO} mv -f /var/account/acct.0 /var/account/acct.1
+	${SUDO} cp -f /var/account/acct /var/account/acct.0
+	${SUDO} sa -sq
+	${SUDO} accton /var/account/acct
+	date >$@
+
+TARGETS+=	fork
+run-regress-fork:
+	@echo '\n======== $@ ========'
+	# Create shell program, fork a sub shell, and check the -F flag.
+	cp -f /bin/sh bin-fork
+	./bin-fork -c '( : ) &'
+	lastcomm bin-fork | grep -q ' -F '
+
+TARGETS+=	su
+run-regress-su:
+	@echo '\n======== $@ ========'
+	# Create shell program, run as super user, and check the -S flag.
+	cp -f /bin/sh bin-su
+	${SUDO} ./bin-su -c ':'
+	lastcomm bin-su | grep -q ' -S '
+
+TARGETS+=	core
+run-regress-core:
+	@echo '\n======== $@ ========'
+	# Create shell program, abort sub shell, and check the -DX flag.
+	cp -f /bin/sh bin-core
+	rm -f bin-core.core
+	ulimit -c 100000; ./bin-core -c '( : ) & kill -SEGV $$!'
+	lastcomm bin-core | grep -q ' -FDX '
+
+TARGETS+=	xsig
+run-regress-xsig:
+	@echo '\n======== $@ ========'
+	# Create shell program, kill sub shell, and check the -X flag.
+	cp -f /bin/sh bin-xsig
+	./bin-xsig -c '( : ) & kill -KILL $$!'
+	lastcomm bin-xsig | grep -q ' -FX '
+
+TARGETS+=	pledge
+run-regress-pledge:
+	@echo '\n======== $@ ========'
+	# Create perl program, kill sub shell, and check the -X flag.
+	cp -f /usr/bin/perl bin-pledge
+	ulimit -c 0; ! ./bin-pledge -MOpenBSD::Pledge -e\
+	    'pledge("stdio") or die $$!; chdir("/")'
+	lastcomm bin-pledge | grep -q ' -S*XP '
+
+TARGETS+=	trap
+run-regress-trap: ${PROG}
+	@echo '\n======== $@ ========'
+	# Create perl program, kill sub shell, and check the -X flag.
+	cp -f ${PROG} bin-trap
+	./bin-trap
+	lastcomm bin-trap | grep -q ' -S*T '
+
+REGRESS_TARGETS=	${TARGETS:S/^/run-regress-/}
+${REGRESS_TARGETS}:	stamp-rotate
+
+.include <bsd.regress.mk>
diff --git a/regress/usr.bin/lastcomm/crash.c b/regress/usr.bin/lastcomm/crash.c
new file mode 100644
index 00000000000..31e7df63d99
--- /dev/null
+++ b/regress/usr.bin/lastcomm/crash.c
@@ -0,0 +1,26 @@
+/*	$OpenBSD: crash.c,v 1.1.1.1 2017/06/08 17:29:33 bluhm Exp $	*/
+
+#include <err.h>
+#include <stdlib.h>
+#include <signal.h>
+
+void handler(int);
+
+int
+main(int argc, char *argv[])
+{
+	int *i;
+
+	if (signal(SIGSEGV, handler) == SIG_ERR)
+		err(1, "signal");
+
+	i = (void *)0x10UL;
+	(*i)++;
+	return *i;
+}
+
+void
+handler(int signum)
+{
+	exit(0);
+}