[OpenWrt-Devel] [PATCH v2] dnsmasq: run as dedicated UID/GID

[Karl Palsson]

Would it be worthwhile keeping these userids in a wiki registry
page maybe? This is a current extract from the packages feed and
the base packages.

22:sshd
22:sshd
51:pulse
52:tor
53:zabbix
54:prosody
56:dmapd
57:bind
59:dovecot
72:ocserv
87:icecast
88:pianod
89:upmpdcli
99:_fdm
105:avahi
121:lldp
123:ntp
200:mosquitto
224:transmission
323:chrony
400:gnunet
400:gnunetdns
5232:radicale
5353:knot
5432:postgres
8118:privoxy
65533:rpc



Daniel Golle <daniel at makrotopia.org> wrote:
> Running dnsmasq in a dedicated user/group allows matching its
> outgoing traffic more easily using iptables' owner match. Add
> UID/GID to the package metadata and append the user/group
> parameters to the init script.
> 
> Signed-off-by: Daniel Golle <daniel at makrotopia.org>
> ---
>  package/network/services/dnsmasq/Makefile           | 3 ++-
>  package/network/services/dnsmasq/files/dnsmasq.init | 4 +++-
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/package/network/services/dnsmasq/Makefile
> b/package/network/services/dnsmasq/Makefile index
> a5c3740..a5b96a3 100644
> --- a/package/network/services/dnsmasq/Makefile
> +++ b/package/network/services/dnsmasq/Makefile
> @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
>  
>  PKG_NAME:=dnsmasq
>  PKG_VERSION:=2.75
> -PKG_RELEASE:=6
> +PKG_RELEASE:=7
>  
>  PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
>  PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq
> @@ -34,6 +34,7 @@ define Package/dnsmasq/Default
>    CATEGORY:=Base system
>    TITLE:=DNS and DHCP server
>    URL:=http://www.thekelleys.org.uk/dnsmasq/
> +  USERID:=dnsmasq=453:dnsmasq=453
>  endef
>  
>  define Package/dnsmasq
> diff --git
> a/package/network/services/dnsmasq/files/dnsmasq.init
> b/package/network/services/dnsmasq/files/dnsmasq.init index
> 61ded6a..83fcbb0 100644
> --- a/package/network/services/dnsmasq/files/dnsmasq.init
> +++ b/package/network/services/dnsmasq/files/dnsmasq.init
> @@ -218,6 +218,8 @@ dnsmasq() {
>  	mkdir -p /tmp/hosts /tmp/dnsmasq.d
>  	xappend "--addn-hosts=/tmp/hosts"
>  	xappend "--conf-dir=/tmp/dnsmasq.d"
> +	xappend "--user=dnsmasq"
> +	xappend "--group=dnsmasq"
>  
>  	echo >> $CONFIGFILE
>  
> @@ -589,7 +591,7 @@ start_service() {
>  
>  	if [ ! -f "$TIMESTAMPFILE" ]; then
>  		touch "$TIMESTAMPFILE"
> -		chown nobody.nogroup "$TIMESTAMPFILE"
> +		chown dnsmasq.dnsmasq "$TIMESTAMPFILE"
>  	fi
>  
>  	echo "# auto-generated config file from /etc/config/dhcp" > $CONFIGFILE
> -- 
> 2.8.0
> _______________________________________________
> openwrt-devel mailing list
> openwrt-devel at lists.openwrt.org
> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
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