From c9d1b77034eceb7325fac46b3c3bd2c82171e0ca Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Thu, 13 Dec 2001 17:00:32 +0000
Subject: volinit-netatalk: Improve uid check and fallback to default user and
 group.

---
 volinit-netatalk | 42 +++++++++++++++++++++++++++++-------------
 1 file changed, 29 insertions(+), 13 deletions(-)

(limited to 'volinit-netatalk')

diff --git a/volinit-netatalk b/volinit-netatalk
index f81bad8..3307851 100755
--- a/volinit-netatalk
+++ b/volinit-netatalk
@@ -11,6 +11,10 @@
 # NDIR="/var/local/netatalk"
 #
 
+# Fallback to this uid and gid if group uid doesn't exist
+GRP_UID="admin"
+GRP_GID="admin"
+
 [ -f /etc/local/volumes ] || exit 1
 . /etc/local/volumes
 [ "x$NDIR" = "x" ] && exit 1
@@ -18,28 +22,40 @@
 if [ $# -eq 0 ]; then
 	echo "Usage: $0 <base directory> <read user/group> <write user/group> [create]"
 	exit 1
-	fi
+fi
 
 if [ "x$1" = "x" ]; then
-	echo "$0: base directory missing"
+	echo "$0: base directory missing - exiting..."
 	exit 1
-	fi
+fi
 VOL=$NDIR/$1
 
 if [ "x$2" = "x" ]; then
-	echo "$0: read group missing"
+	echo "$0: read group missing - exiting..."
 	exit 1
-	fi
+fi
 ALL=$2
+#if [ `getent passwd "$ALL" | awk -F: '{print $1}';` ]; then
+if [ `getent passwd "$ALL"` ]; then
+	ALL_UID=$ALL
+	ALL_GID=$ALL
+else
+	echo "$0: User id $ALL doesn't exist - exiting..."
+	exit 1
+fi
 
 if [ "x$3" = "x" ]; then
-	echo "$0: write group missing"
+	echo "$0: write group missing - exiting..."
 	exit 1
-	fi
+fi
 GRP=$3
-
-GRPUSER="admin"
-id $GRP >/dev/null && GRPUSER=$GRP
+#if [ `getent passwd "$GRP" | awk -F: '{print $1}';` = "" ]; then
+if [ `getent passwd "$GRP"` ]; then
+	GRP_UID=$GRP
+	GRP_GID=$GRP
+else
+	echo "User id $GRP doesn't exist - using $GRP_UID:$GRP_GID instead"
+fi
 
 if [ "x$4" != "x" ]; then
 	if [ "x$4" == "xcreate" ]; then
@@ -53,15 +69,15 @@ fi
 test -d $VOL/$ALL/$GRP || exit
 test -d $VOL/$ALL/$GRP/.AppleDouble || mkdir $VOL/$ALL/$GRP/.AppleDouble
 test -d $VOL/$ALL/$GRP/.AppleDesktop || mkdir $VOL/$ALL/$GRP/.AppleDesktop
-chown root:$ALL $VOL/$ALL
-chown $GRPUSER:$ALL $VOL/$ALL/$GRP
+chown root:$ALL_GID $VOL/$ALL
+chown $GRP_UID:$ALL_GID $VOL/$ALL/$GRP
 chmod u=rwX,g=rXs,o= $VOL/$ALL
 chmod u=rwX,g=rXs,o= $VOL/$ALL/$GRP
 echo "People in group $GRP has read/write access through AppleShare"
 test $GRP = $ALL || echo "People in group $ALL has read access through AppleShare"
 echo "Others have no access"
 echo -n "Checking permissions..."
-chown -R :$GRP $VOL/$ALL/$GRP \
+chown -R .$GRP_GID $VOL/$ALL/$GRP \
     && chmod -R u=rwX,g=rwXs,o=rX $VOL/$ALL/$GRP \
     && chmod u=rwX,g=rXs,o=rX $VOL/$ALL/$GRP
 echo "."
-- 
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