From 312c276483c2277b93ddc79ce51b4b017521e5f1 Mon Sep 17 00:00:00 2001
From: erdgeist <erdgeist@erdgeist.org>
Date: Fri, 23 Mar 2007 16:08:43 +0000
Subject: Stale device link detection completed and tested. More testing
 required.

---
 ezjail-admin | 7 ++++++-
 ezjail.sh    | 4 ++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/ezjail-admin b/ezjail-admin
index aa7b16d..a4e50e1 100755
--- a/ezjail-admin
+++ b/ezjail-admin
@@ -120,7 +120,12 @@ fetchjailinfo () {
   if [ -n "${ezjail_image}" -a -L "${ezjail_rootdir}.device" ]; then
     # Fetch destination of soft link
     ezjail_device=`stat -f "%Y" ${ezjail_rootdir}.device`
-    [ -e "${ezjail_device}" ] && ezjail_attached="YES"
+
+    mount -p -v | grep -q -E "^${ezjail_rootdir}.device.${ezjail_rootdir}" && ezjail_attached="YES"
+    mount -p -v | grep -q -E "^${ezjail_device}.${ezjail_rootdir}" && ezjail_attached="YES"
+
+    # Stale device link detected. Remove and clean.
+    [ -z "${ezjail_attached}" ] && unset ezjail_device && rm -f ${ezjail_rootdir}.device
   fi
 
   [ -f /var/run/jail_${ezjail_safename}.id ] && ezjail_id=`cat /var/run/jail_${ezjail_safename}.id` || return
diff --git a/ezjail.sh b/ezjail.sh
index 9f181f2..5394a63 100755
--- a/ezjail.sh
+++ b/ezjail.sh
@@ -102,8 +102,8 @@ attach_detach_pre ()
       # Fetch destination of soft link
       ezjail_device=`stat -f "%Y" ${ezjail_rootdir}.device`
 
-      mount -p -v | grep -E "^${ezjail_rootdir}.device.${ezjail_rootdir}" && echo "Jail image file ${ezjail} already attached as ${ezjail_device}. 'ezjail-admin config -i detach' it first." && return 1
-      mount -p -v | grep -E "^${ezjail_device}.${ezjail_rootdir}" && echo "Jail image file ${ezjail} already attached as ${ezjail_device}. 'ezjail-admin config -i detach' it first." && return 1
+      mount -p -v | grep -E "^${ezjail_rootdir}.device.${ezjail_rootdir}" && echo "Warning: Skipping jail. Jail image file ${ezjail} already attached as ${ezjail_device}. 'ezjail-admin config -i detach' it first." && return 1
+      mount -p -v | grep -E "^${ezjail_device}.${ezjail_rootdir}" && echo "Warning: Skipping jail. Jail image file ${ezjail} already attached as ${ezjail_device}. 'ezjail-admin config -i detach' it first." && return 1
 
       # Remove stale device link
       rm -f ${ezjail_rootdir}.device
-- 
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