nc-restore: refuse to restore from /var/www/nextcloud

changelog.md

@@ -1,7 +1,9 @@
 
-[v0.56.1](https://github.com/nextcloud/nextcloudpi/commit/ef49d0e) (2018-05-15) nc-update-nextcloud: rollback in case of power cut
+[v0.56.2](https://github.com/nextcloud/nextcloudpi/commit/550f96a) (2018-05-15) nc-restore: refuse to restore from /var/www/nextcloud
 
-[v0.56.0](https://github.com/nextcloud/nextcloudpi/commit/3c56aa8) (2018-05-15) added nc-autoupdate-nc
+[v0.56.1](https://github.com/nextcloud/nextcloudpi/commit/06f1d5c) (2018-05-15) nc-update-nextcloud: rollback in case of power cut
+
+[v0.56.0 ](https://github.com/nextcloud/nextcloudpi/commit/0248ba3) (2018-05-15) added nc-autoupdate-nc
 
 [v0.55.4 ](https://github.com/nextcloud/nextcloudpi/commit/ef88be9) (2018-05-15) nc-autoupdate-ncp: fix wrong user
 

etc/ncp-config.d/nc-restore.sh

@@ -38,9 +38,12 @@ BACKUPFILE="$1"
 DBADMIN=ncadmin
 DBPASSWD="$( grep password /root/.my.cnf | sed 's|password=||' )"
 
-[ $# -eq 0              ] && { echo "missing first argument"; exit 1; }
-[ -f "$BACKUPFILE"      ] || { echo "$BACKUPFILE not found" ; exit 1; }
-[ -d /var/www/nextcloud ] && { echo "INFO: overwriting old instance"; }
+DIR="$( cd "$( dirname "$BACKUPFILE" )" &>/dev/null && pwd )" #abspath
+
+[[ $# -eq 0                       ]] && { echo "missing first argument"                     ; exit 1; }
+[[ -f "$BACKUPFILE"               ]] || { echo "$BACKUPFILE not found"                      ; exit 1; }
+[[ "$DIR" =~ "/var/www/nextcloud" ]] && { echo "Refusing to restore from /var/www/nextcloud"; exit 1; }
+[[ -d /var/www/nextcloud          ]] && { echo "INFO: overwriting old instance"; }
 
 TMPDIR="$( mktemp -d "$( dirname "$BACKUPFILE" )"/ncp-restore.XXXXXX )" || { echo "Failed to create temp dir" >&2; exit 1; }
 TMPDIR="$( cd "$TMPDIR" &>/dev/null && pwd )" || { echo "$TMPDIR not found"; exit 1; } #abspath