Re: [PATCH v2] Add new function ip_get__assigned_addresses_from_net()

Okay, I will merge this one.

Best, -Michael

On Wed, 2018-02-28 at 16:31 +0000, Jonatan Schlag wrote:

This function is neede by IPsec to set the routes correctly. We can now now find a source IP for a given net. This way is ugly because the source IP is unpredictable if we get multiple IPs.

Signed-off-by: Jonatan Schlag jonatan.schlag@ipfire.org

src/functions/functions.ip | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)

diff --git a/src/functions/functions.ip b/src/functions/functions.ip index 3b43da7..70bd92c 100644 --- a/src/functions/functions.ip +++ b/src/functions/functions.ip @@ -205,3 +205,31 @@ ip_address_del() {

return ${EXIT_OK} }

+# Get all currently assigned addresse for a given network +ip_get_assigned_addresses_from_net() {

• local net=${1}
• shift
• local args="$@"
• if ! ip_net_is_valid ${net}; then

• log ERROR "IP net ${net} is invalid"
  

• return ${EXIT_ERROR}
  

• fi
• local line
• local addresses
• # We read the output of $(ip addr show to ${net} ${args})
• while read -r line; do

• # We are only interested in lines which start with inet or inet6
  

• [[ "${line}" =~ ^(inet6 |inet ) ]] || continue
  

• # We need the second word the line
  

• line=(${line})
  

• list_append "addresses" "$(ip_split_prefix "${line[1]}")"
  

• done <<< "$(ip addr show to "${net}" ${args})"
• # We sort the list to get the lowest IP as first item
• list_sort ${addresses}

+}