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add static uid, but handle squashfs rootfs systems correctly

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SVN-Revision: 469
This commit is contained in:
Waldemar Brodkorb 2005-03-27 21:36:57 +00:00
parent 8c71ede5ef
commit 8b86d7c65f
1 changed files with 32 additions and 22 deletions
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54
openwrt/package/openntpd/ipkg/CONTROL/postinst
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@ -1,25 +1,35 @@
#!/bin/sh
name=ntp
id=50
# do not change below
# check if we are on real system
if [ -z "${IPKG_INSTROOT}" ]; then
# create copies of passwd and group, if we use squashfs
rootfs=`mount |awk '/root/ { print $5 }'`
if [ "$rootfs" = "squashfs" ]; then
if [ -h /etc/group ]; then
rm /etc/group
cp /rom/etc/group /etc/group
fi
if [ -h /etc/passwd ]; then
rm /etc/passwd
cp /rom/etc/passwd /etc/passwd
fi
fi
fi
echo ""
if [ -z "$(grep ^\\${name}: ${IPKG_INSTROOT}/etc/group)" ]; then
echo "adding group $name to /etc/group"
echo "${name}:x:${id}:" >> ${IPKG_INSTROOT}/etc/group
fi
if [ -z "$(grep ^\\${name}: ${IPKG_INSTROOT}/etc/passwd)" ]; then
echo "adding user $name to /etc/passwd"
echo "${name}:x:${id}:${id}:${name}:/tmp/.${name}:/bin/false" >> ${IPKG_INSTROOT}/etc/passwd
fi
grep -q '^ntp[[:space:]]*123/udp' ${IPKG_INSTROOT}/etc/services 2>/dev/null
[ $? -ne 0 ] && echo "ntp 123/udp" >>${IPKG_INSTROOT}/etc/services
NU=ntp
U=`grep "^$NU:" ${IPKG_INSTROOT}/etc/passwd 2>/dev/null | cut -d: -f3`
if [ .$U = . ]; then
U=`cut -d: -f3 ${IPKG_INSTROOT}/etc/passwd 2>/dev/null | sort -n | tail -1`
[ .$U = . ] && U=49
U=`expr $U + 1`
[ $U -lt 50 ] && U=50
G=`grep "^$NU:" ${IPKG_INSTROOT}/etc/group 2>/dev/null | cut -d: -f3`
if [ .$G = . ]; then
G=`cut -d: -f3 ${IPKG_INSTROOT}/etc/group 2>/dev/null | sort -n | tail -1`
[ .$G = . ] && G=49
G=`expr $G + 1`
[ $G -lt 50 ] && G=50
fi
LINE="$NU:x:$U:$G::/tmp/.ntp:/bin/false"
echo "$LINE" >>${IPKG_INSTROOT}/etc/passwd
else
awk -F: '{ if($1=="ntp") printf("%s:%s:%s:%s:%s:/tmp/.ntp:/bin/false\n",$1,$2,$3,$4,$5); else print $0 }' ${IPKG_INSTROOT}/etc/passwd >/tmp/$$
mv /tmp/$$ ${IPKG_INSTROOT}/etc/passwd
chmod 644 ${IPKG_INSTROOT}/etc/passwd
fi