src/initscripts/networking/dhcpcd.exe

   1 ###############################################################################
   2 #                                                                             #
   3 # IPFire.org - A linux based firewall                                         #
   4 # Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 ###############################################################################
  20
  21 . /etc/sysconfig/rc
  22 . $rc_functions
  23 . /etc/init.d/networking/functions.network
  24
  25 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  26
  27 dhcpcd_up()
  28 {
  29         set | grep "^new_" | sed "s|^new_||g" | \
  30         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  31
  32         #Check if this was the Red device...
  33         if [ ! "$interface" == "$RED_DEV" ]; then
  34                 exit 0;
  35         fi
  36
  37         # Only if RED_TYPE=DHCP update /var/ipfire/red
  38         # Check if we have to restart the services at update
  39         [ ! -e "/var/ipfire/red/active" ] && update=1;
  40         if [ "$old_domain_name_service" != "$new_domain_name_service" ]; then
  41                 update=1;
  42         fi
  43         if [ "$old_ip_address" != "$new_ip_address" ]; then
  44                 update=1;
  45         fi
  46         if [ "$old_routers" != "$new_routers" ]; then
  47                 update=1;
  48         fi
  49
  50         # Get DNS from dhcp
  51         /etc/rc.d/helper/getdnsfromdhcpc.pl 1 > /var/run/dns1
  52         /etc/rc.d/helper/getdnsfromdhcpc.pl 2 > /var/run/dns2
  53
  54         #Get IP Address
  55         echo -n "$new_ip_address"  > /var/ipfire/red/local-ipaddress
  56
  57         #Get default gateway
  58         grep -v -E "\<gateway\>" /etc/hosts > /tmp/hosts
  59         echo "$new_routers      gateway"  >> /tmp/hosts
  60         mv /tmp/hosts /etc/hosts
  61
  62         if [ $update ]; then
  63                 [ -e "/var/ipfire/red/active" ] || touch /var/ipfire/red/active
  64                 echo -n "$new_routers" > /var/ipfire/red/remote-ipaddress
  65                 logger -p local0.info -t dhcpcd.exe[$$] "$interface has been (re)configured with IP=$new_ip_address"
  66                 run_subdir ${rc_base}/init.d/networking/red.up/
  67                 touch /var/ipfire/red/active
  68         fi
  69 }
  70
  71 dhcpcd_down()
  72 {
  73         set | grep "^new_" | sed "s|^new_||g" | \
  74         sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
  75
  76         # Remove DNS servers
  77         rm -f /var/run/dns1 /var/run/dns2
  78
  79         # Only if RED_TYPE=DHCP update /var/ipfire/red
  80         if [ "$RED_TYPE" == "DHCP" ]; then
  81                 rm -f /var/ipfire/red/active
  82                 if [ ! $reason == "PREINIT" ]; then
  83                         logger -p local0.info -t dhcpcd.exe[$$] "${interface} has been brought down ($reason)"
  84                         run_subdir ${rc_base}/init.d/networking/red.down/
  85                 fi
  86         fi
  87 }
  88
  89 # Called when dhcpcd relies on a third party to configure an IP address
  90 dhcpcd_3rdparty() {
  91         local qmi_device="$(qmi_find_device "${interface}")"
  92
  93         if [ -n "${qmi_device}" ]; then
  94                 setup_qmi "${qmi_device}" || return $?
  95         fi
  96
  97         return 0
  98 }
  99
 100 setup_qmi() {
 101         local device="${1}"
 102
 103         local address
 104         local netmask
 105         local gateway
 106         local mtu=1500
 107
 108         local line
 109         while read -r line; do
 110                 # Extract the value
 111                 value="${line#*: }"
 112
 113                 case "${line}" in
 114                         *IPv4\ address:*)
 115                                 address="${value}"
 116                                 ;;
 117                         *IPv4\ subnet\ mask:*)
 118                                 netmask="${value}"
 119                                 ;;
 120                         *IPv4\ gateway\ address:*)
 121                                 gateway="${value}"
 122                                 ;;
 123                         *MTU:*)
 124                                 mtu="${value}"
 125                                 ;;
 126                 esac
 127         done <<< "$(qmicli --device="${device}" --wds-get-current-settings)"
 128
 129         if [ -z "${address}" ] || [ -z "${netmask}" ] || [ -z "${gateway}" ]; then
 130                 logger -p "local0.info" -t "dhcpcd.exe[$$]" \
 131                         "Could not retrieve all information from the QMI interface"
 132                 return 1
 133         fi
 134
 135         # Flush any previous configuration
 136         ip addr flush dev "${interface}"
 137
 138         # Configure the IP address
 139         ip addr add "${address}/${netmask}" dev "${interface}"
 140
 141         # Configure the default route
 142         ip route add default via "${gateway}" #mtu "${mtu}"
 143
 144         return 0
 145 }
 146
 147 case "$reason" in
 148 BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)        dhcpcd_up;;
 149 PREINIT|EXPIRE|FAIL|IPV4LL|NAK|RELEASE|STOP)            dhcpcd_down;;
 150 3RDPARTY)
 151         dhcpcd_3rdparty
 152         ;;
 153 *)
 154         logger -p "local0.info" -t "dhcpcd.exe[$$]" "Unhandled DHCP event: ${reason}"
 155         ;;
 156 esac