From 265a2deba3bf3984c2246e8b097723f2e79224a8 Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Mon, 17 Jun 2013 11:33:36 +0000 Subject: base-files: network.sh: extend network_get_ipaddr6() / network_get_subnet6() to take ipv6-prefix-assignment into account, add further helper functions to fetch all ips of a given interface SVN-Revision: 36942 --- package/base-files/files/lib/functions/network.sh | 150 +++++++++++++++------- 1 file changed, 107 insertions(+), 43 deletions(-) (limited to 'package/base-files/files') diff --git a/package/base-files/files/lib/functions/network.sh b/package/base-files/files/lib/functions/network.sh index d86a504bf4..5ffe2ca0b9 100644 --- a/package/base-files/files/lib/functions/network.sh +++ b/package/base-files/files/lib/functions/network.sh @@ -13,7 +13,7 @@ __network_set_cache() __network_export() { local __v="__NETWORK_CV_$2" - eval "export -- \"$1=\${$__v:+\$$__v$3}\"; [ -n \"\${$__v+x}\" ]" + eval "export -- \"$1=\${$__v:+\${$__v$4}$3}\"; [ -n \"\${$__v+x}\" ]" } __network_parse_ifstatus() @@ -21,6 +21,8 @@ __network_parse_ifstatus() local __iface="$1" local __key="${__iface}" local __tmp + local __idx + local __list local __old_ns __network_export __tmp "${__key}__parsed" && return 0 @@ -39,36 +41,76 @@ __network_parse_ifstatus() # parse addresses local __family for __family in 4 6; do + + __list="" + if json_is_a "ipv${__family}_address" array; then json_select "ipv${__family}_address" - if json_is_a 1 object; then + __idx=1 - json_select 1 - __network_set_cache "${__key}_address${__family}" address - __network_set_cache "${__key}_mask${__family}" mask + while json_is_a "$__idx" object; do + + json_select "$((__idx++))" + json_get_var __tmp "address" && __list="${__list:+$__list }$__tmp" + json_get_var __tmp "mask" && __list="${__list:+$__list/}$__tmp" json_select ".." - fi + done + + json_select ".." + + fi + + if json_is_a "ipv${__family}_prefix_assignment" array; then + + json_select "ipv${__family}_prefix_assignment" + + __idx=1 + + while json_is_a "$__idx" object; do + + json_select "$((__idx++))" + json_get_var __tmp "address" && __list="${__list:+$__list }${__tmp}1" + json_get_var __tmp "mask" && __list="${__list:+$__list/}$__tmp" + json_select ".." + + done json_select ".." fi + + if [ -n "$__list" ]; then + __network_set_cache "${__key}_address${__family}" "" "$__list" + fi + done # parse prefixes if json_is_a "ipv6_prefix" array; then json_select "ipv6_prefix" - if json_is_a 1 object; then - json_select 1 - __network_set_cache "${__key}_prefix6_address" address - __network_set_cache "${__key}_prefix6_mask" mask + __idx=1 + __list="" + + while json_is_a "$__idx" object; do + + json_select "$((__idx++))" + json_get_var __tmp "address" && __list="${__list:+$__list }$__tmp" + json_get_var __tmp "mask" && __list="${__list:+$__list/}$__tmp" json_select ".." - fi + + done json_select ".." + + + if [ -n "$__list" ]; then + __network_set_cache "${__key}_prefix6" "" "$__list" + fi + fi # parse routes @@ -110,20 +152,20 @@ __network_parse_ifstatus() json_select "$__field" - local __idx=1 - local __dns="" + __idx=1 + __list="" while json_is_a "$__idx" string; do json_get_var __tmp "$((__idx++))" - __dns="${__dns:+$__dns }$__tmp" + __list="${__list:+$__list }$__tmp" done json_select ".." - if [ -n "$__dns" ]; then - __network_set_cache "${__key}_${__field}" "" "$__dns" + if [ -n "$__list" ]; then + __network_set_cache "${__key}_${__field}" "" "$__list" fi fi done @@ -151,55 +193,77 @@ __network_ipaddr() { local __var="$1" local __iface="$2" - local __family="$3" - local __prefix="$4" - local __tmp + local __field="$3" + local __subst="$4" + local __list="$5" + local __tmp="" __network_parse_ifstatus "$__iface" || return 1 - if [ $__prefix -eq 1 ]; then - __network_export __tmp "${__iface}_mask${__family}" && \ - __network_export "$__var" "${__iface}_address${__family}" "/$__tmp" + if [ $__list = 1 ] && [ -n "$__subst" ]; then + __network_export "__list" "${__iface}_${__field}" + + for __list in $__list; do + eval "__tmp=\"${__tmp:+$__tmp }\${__list$__subst}\"" + done + + export -- "$__var=$__tmp"; [ -n "$__tmp" ] return $? fi - __network_export "$__var" "${__iface}_address${__family}" + __network_export "$__var" "${__iface}_${__field}" "" "$__subst" return $? - } -# determine IPv4 address of given logical interface +# determine first IPv4 address of given logical interface # 1: destination variable # 2: interface -network_get_ipaddr() { __network_ipaddr "$1" "$2" 4 0; } +network_get_ipaddr() { __network_ipaddr "$1" "$2" "address4" "%%/*" 0; } -# determine IPv6 address of given logical interface +# determine first IPv6 address of given logical interface # 1: destination variable # 2: interface -network_get_ipaddr6() { __network_ipaddr "$1" "$2" 6 0; } +network_get_ipaddr6() { __network_ipaddr "$1" "$2" "address6" "%%/*" 0; } -# determine IPv4 subnet of given logical interface +# determine first IPv4 subnet of given logical interface # 1: destination variable # 2: interface -network_get_subnet() { __network_ipaddr "$1" "$2" 4 1; } +network_get_subnet() { __network_ipaddr "$1" "$2" "address4" "%% *" 0; } -# determine IPv6 subnet of given logical interface +# determine first IPv6 subnet of given logical interface # 1: destination variable # 2: interface -network_get_subnet6() { __network_ipaddr "$1" "$2" 6 1; } +network_get_subnet6() { __network_ipaddr "$1" "$2" "address6" "%% *" 0; } -# determine IPv6 prefix -network_get_prefix6() { - local __var="$1" - local __iface="$2" - local __address - local __mask +# determine first IPv6 prefix of given logical interface +# 1: destination variable +# 2: interface +network_get_prefix6() { __network_ipaddr "$1" "$2" "prefix6" "%% *" 0; } - __network_parse_ifstatus "$__iface" || return 1 - __network_export __mask "${__iface}_prefix6_mask" || return 1 - __network_export "$__var" "${__iface}_prefix6_address" "/$__mask" - return $? -} +# determine all IPv4 addresses of given logical interface +# 1: destination variable +# 2: interface +network_get_ipaddrs() { __network_ipaddr "$1" "$2" "address4" "%%/*" 1; } + +# determine all IPv6 addresses of given logical interface +# 1: destination variable +# 2: interface +network_get_ipaddrs6() { __network_ipaddr "$1" "$2" "address6" "%%/*" 1; } + +# determine all IPv4 subnets of given logical interface +# 1: destination variable +# 2: interface +network_get_subnets() { __network_ipaddr "$1" "$2" "address4" "" 1; } + +# determine all IPv6 subnets of given logical interface +# 1: destination variable +# 2: interface +network_get_subnets6() { __network_ipaddr "$1" "$2" "address6" "" 1; } + +# determine all IPv6 prefixes of given logical interface +# 1: destination variable +# 2: interface +network_get_prefixes6() { __network_ipaddr "$1" "$2" "prefix6" "" 1; } __network_gateway() -- cgit v1.2.3