From df78914cae2dc2e3da5170cf3f9c7b412aed3afa Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Thu, 3 Sep 2015 16:59:14 -0600
Subject: Use a defer/recover block to have the exit status on panic match LSB.

---
 src/nshd/hackers_git/hackers.go    |  2 ++
 src/nshd/main.go                   |  2 ++
 src/nslcd_systemd/nslcd_systemd.go |  2 ++
 src/sd_daemon/lsb/exit-status.go   | 12 ++++++++++++
 4 files changed, 18 insertions(+)

diff --git a/src/nshd/hackers_git/hackers.go b/src/nshd/hackers_git/hackers.go
index ecbda7a..814e921 100644
--- a/src/nshd/hackers_git/hackers.go
+++ b/src/nshd/hackers_git/hackers.go
@@ -6,6 +6,7 @@ import (
 	"nslcd_proto/util"
 	"nslcd_systemd"
 	"sd_daemon/logger"
+	"sd_daemon/lsb"
 	"sync"
 )
 
@@ -47,6 +48,7 @@ func NewHackers(config Config) *Hackers {
 	}
 	o.workers.Add(1)
 	go func() {
+		defer lsb.Recover()
 		defer o.workers.Done()
 		o.worker()
 	}()
diff --git a/src/nshd/main.go b/src/nshd/main.go
index ebca1a6..bc53711 100644
--- a/src/nshd/main.go
+++ b/src/nshd/main.go
@@ -1,12 +1,14 @@
 package main
 
 import (
+	"sd_daemon/lsb"
 	"nshd/hackers_git"
 	"nslcd_systemd"
 	"os"
 )
 
 func main() {
+	defer lsb.Recover()
 	config := hackers_git.Config{
 		Pam_password_prohibit_message: "",
 		Yamldir: "/var/cache/parabola-hackers/users",
diff --git a/src/nslcd_systemd/nslcd_systemd.go b/src/nslcd_systemd/nslcd_systemd.go
index dd548ad..c4511ef 100644
--- a/src/nslcd_systemd/nslcd_systemd.go
+++ b/src/nslcd_systemd/nslcd_systemd.go
@@ -82,6 +82,7 @@ func Main(backend Backend) uint8 {
 
 	sock := make(chan *net.UnixConn, 1)
 	go func() {
+		defer lsb.Recover()
 		for {
 			conn, err := socket.Accept()
 			if err != nil {
@@ -114,6 +115,7 @@ Loop:
 		case conn := <-sock:
 			wg.Add(1)
 			go func() {
+				defer lsb.Recover()
 				defer wg.Done()
 				handler(conn, backend)
 			}()
diff --git a/src/sd_daemon/lsb/exit-status.go b/src/sd_daemon/lsb/exit-status.go
index ba5b68b..41eaafd 100644
--- a/src/sd_daemon/lsb/exit-status.go
+++ b/src/sd_daemon/lsb/exit-status.go
@@ -1,5 +1,10 @@
 package lsb
 
+import (
+	"os"
+	"sd_daemon/logger"
+)
+
 /* systemd daemon(7) recommends using the exit codes defined in the
  * "LSB recomendations for SysV init scripts"[1].
  *
@@ -60,3 +65,10 @@ const (
 	EXIT_BUS_ENDPOINT        uint8 = 236
 	EXIT_SMACK_PROCESS_LABEL uint8 = 237
 )
+
+func Recover() {
+	if r := recover(); r != nil {
+		logger.Err("panic: %v", r)
+		os.Exit(int(EXIT_FAILURE))
+	}
+}
-- 
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