V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

.preseed/preseed.yaml

@@ -507,9 +507,9 @@ network:
     ipv4nameserver_fallback:
       - "176.9.93.198"         # dnsforge.de
       - "176.9.1.117"          # dnsforge.de
-    ipv6address: "2a0a:aaaa:bbbb:cccc:192:168:128:128"
+    ipv6address: ""
-    ipv6netmask: "128"
+    ipv6netmask: ""
-    ipv6gateway: "fe80::1"
+    ipv6gateway: ""
     ipv6nameserver:
       - "2a01:4f9:c012:a813:135:181:207:105"
       - "2a0a:4cc0:1:e6:89:58:62:53"

func/cdi_1250_yaml/1252_yaml_validator.sh

@@ -52,10 +52,10 @@ yaml_validator() {
   ### Declare Arrays, HashMaps, and Variables.
   # shellcheck disable=SC2034
   declare -ag ARY_IPV4_NS=() ARY_IPV6_NS=()
-  declare     var_auto_nic="" var_auto_ipv4="" var_auto_ipv4_ccidr="" var_auto_ipv4_subnet="" var_auto_ipv4_gw="" \
+  declare     var_auto_nic="" var_auto_ipv4="" var_auto_ipv4_cidr="" var_auto_ipv4_subnet="" var_auto_ipv4_gw="" \
-              var_auto_ipv6="" var_auto_ipv6_ccidr="" var_auto_ipv6_gw="" var_link_ipv4="" var_link_ipv6="" var_auto_fqdn=""
+              var_auto_ipv6="" var_auto_ipv6_cidr="" var_auto_ipv6_gw="" var_link_ipv4="" var_link_ipv6="" var_auto_fqdn=""
   declare -gx VAR_FINAL_NIC="" VAR_FINAL_FQDN="" VAR_FINAL_IPV4="" VAR_FINAL_IPV4_GW="" VAR_FINAL_IPV4_SUBNET="" \
-              VAR_FINAL_IPV6="" VAR_LINK_IPV6="" VAR_FINAL_IPV6_GW="" VAR_FINAL_IPV6_SUBNET=""
+              VAR_FINAL_IPV6="" VAR_LINK_IPV6="" VAR_FINAL_IPV6_GW="" VAR_FINAL_IPV6_CIDR=""
 
   ensure_lowercase "network_autoconfig_enable"
   ensure_lowercase "network_choose_interface_auto"
@@ -93,24 +93,24 @@ yaml_validator() {
   var_auto_nic=$(ip -o link show | awk -F': ' '/state UP/ && $2!="lo" {print $2; exit}')
 
   # shellcheck disable=SC2312
-  var_auto_ipv4_ccidr=$(ip -4 -o addr show "${var_auto_nic}" | awk '{print $4; exit}')
+  var_auto_ipv4_cidr=$(ip -4 -o addr show "${var_auto_nic}" | awk '{print $4; exit}')
 
   # shellcheck disable=SC2312
-  var_auto_ipv4_subnet=$(generate_subnetmask "${var_auto_ipv4_ccidr}")
+  var_auto_ipv4_subnet=$(generate_subnetmask "${var_auto_ipv4_cidr}")
 
   # shellcheck disable=SC2312
-  var_auto_ipv4=$(echo "${var_auto_ipv4_ccidr}" | awk -F'/' '{print $1}')
+  var_auto_ipv4=$(echo "${var_auto_ipv4_cidr}" | awk -F'/' '{print $1}')
 
   # shellcheck disable=SC2312
   var_auto_ipv4_gw=$(ip route show default dev "${var_auto_nic}" | awk '/^default/ {print $3; exit}')
 
   # shellcheck disable=SC2312
-  var_auto_ipv6_ccidr=$(ip -6 -o addr show "${var_auto_nic}" | awk '/scope global/ {print $4; exit}')
+  var_auto_ipv6_cidr=$(ip -6 -o addr show "${var_auto_nic}" | awk '/scope global/ {print $4; exit}')
 
-  if [[ -n "${var_auto_ipv6_ccidr}" ]]; then
+  if [[ -n "${var_auto_ipv6_cidr}" ]]; then
 
     # shellcheck disable=SC2312
-    var_auto_ipv6=$(echo "${var_auto_ipv6_ccidr}" | awk -F'/' '{print $1}')
+    var_auto_ipv6=$(echo "${var_auto_ipv6_cidr}" | awk -F'/' '{print $1}')
     # shellcheck disable=SC2312
     var_auto_ipv6_gw=$(ip -6 route show default dev "${var_auto_nic}" | awk '/^default/ {print $3; exit}')
 
@@ -132,18 +132,18 @@ yaml_validator() {
 
   do_log "info" "file_only" "1252() Live environment network check: Auto NIC          ='${var_auto_nic}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto IPv4         ='${var_auto_ipv4}'."
-  do_log "info" "file_only" "1252() Live environment network check: Auto IPv4 CCIDR   ='${var_auto_ipv4_ccidr}'."
+  do_log "info" "file_only" "1252() Live environment network check: Auto IPv4 CCIDR   ='${var_auto_ipv4_cidr}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto IPv4 Subnet  ='${var_auto_ipv4_subnet}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto IPv4 Gateway ='${var_auto_ipv4_gw}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto IPv6         ='${var_auto_ipv6}'."
-  do_log "info" "file_only" "1252() Live environment network check: Auto IPv6 CCIDR   ='${var_auto_ipv6_ccidr}'."
+  do_log "info" "file_only" "1252() Live environment network check: Auto IPv6 CCIDR   ='${var_auto_ipv6_cidr}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto IPv6 Gateway ='${var_auto_ipv6_gw}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto IPv4 Link    ='${var_link_ipv4}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto IPv6 Link    ='${var_link_ipv6}'."
   do_log "info" "file_only" "1252() Live environment network check: Auto FQDN         ='${var_auto_fqdn}'."
 
   ### Export hostname and IPv4 and IPv6 addresses for further processing according to dynamic results and preseed.yaml settings.
-  if [[ "${network_autoconfig_enable}" == "true" ]]; then
+  if [[ "${network_autoconfig_enable}" == "true" && -z "${network_static_ipv4address}" ]]; then
 
     # shellcheck disable=SC2034
     VAR_FINAL_NIC="${var_auto_nic}"
@@ -156,9 +156,9 @@ yaml_validator() {
     # shellcheck disable=SC2034
     VAR_FINAL_IPV4_SUBNET="${var_auto_ipv4_subnet}"
 
-    do_log "info" "file_only" "1252() Network IPv4 autoconfiguration: [${network_autoconfig_enable}]."
+    do_log "info" "file_only" "1252() Network IPv4 auto configuration: [${network_autoconfig_enable}] and IPv4 Link: [${var_link_ipv4}]."
 
-  else
+  elif [[ "${network_autoconfig_enable}" == "false" && -n "${network_static_ipv4address}" ]]; then
 
     # shellcheck disable=SC2034
     VAR_FINAL_NIC="${network_choose_interface_static}"
@@ -171,11 +171,11 @@ yaml_validator() {
     # shellcheck disable=SC2034
     VAR_FINAL_IPV4_SUBNET="${network_static_ipv4netmask}"
 
-    do_log "info" "file_only" "1252() Network IPv4 autoconfiguration: [${network_autoconfig_enable}]."
+    do_log "info" "file_only" "1252() Network IPv4 static configuration: [${network_static_ipv4address}] and IPv4 Link: [${var_link_ipv4}]."
 
   fi
 
-  if [[ "${network_autoconfig_enable}" == "true" ]]; then
+  if [[ "${var_link_ipv6}" == "true" && "${network_autoconfig_enable}" == "true" && "${network_ipv6}" == "true" && -z "${network_static_ipv6address}" ]]; then
 
     # shellcheck disable=SC2034
     VAR_FINAL_IPV6="${var_auto_ipv6}"
@@ -184,28 +184,28 @@ yaml_validator() {
     # shellcheck disable=SC2034
     VAR_FINAL_IPV6_GW="${var_auto_ipv6_gw}"
     # shellcheck disable=SC2034
-    VAR_FINAL_IPV6_SUBNET="${var_auto_ipv6_ccidr}"
+    VAR_FINAL_IPV6_CIDR="${var_auto_ipv6_cidr}"
 
     do_log "info" "file_only" "1252() Network IPv6 auto configuration: [${network_autoconfig_enable}] and IPv6 Link: [${var_link_ipv6}]."
 
-  elif [[ "${network_autoconfig_enable}" == "false" && -n "${network_static_ipv6address}" ]]; then
+  elif [[ -n "${network_static_ipv6address}" ]]; then
 
-    # shellcheck disable=SC2034
-    VAR_LINK_IPV6="${var_link_ipv6}"
     # shellcheck disable=SC2034
     VAR_FINAL_IPV6="${network_static_ipv6address}"
     # shellcheck disable=SC2034
+    VAR_LINK_IPV6="${var_link_ipv6}"
+    # shellcheck disable=SC2034
     VAR_FINAL_IPV6_GW="${network_static_ipv6gateway}"
     # shellcheck disable=SC2034
-    VAR_FINAL_IPV6_SUBNET="${network_static_ipv6netmask}"
+    VAR_FINAL_IPV6_CIDR="${network_static_ipv6address}/${network_static_ipv6netmask}"
 
-    do_log "info" "file_only" "1252() Network IPv6 autoconfiguration: [${network_autoconfig_enable}] and IPv6 static: [${network_static_ipv6address}]."
+    do_log "info" "file_only" "1252() Network IPv6 static configuration: [${network_static_ipv6address}] and IPv6 Link: [${var_link_ipv6}]."
 
   else
 
     # shellcheck disable=SC2034
     VAR_FINAL_IPV6=""
-    do_log "info" "file_only" "1252() Network IPv6 autoconfiguration: no IPv6 configuration applied."
+    do_log "info" "file_only" "1252() Network IPv6: no IPv6 configuration applied."
 
   fi
 

func/cdi_4300_network/4300_installation_network.sh

@@ -21,9 +21,8 @@ guard_sourcing
 #   VAR_FINAL_IPV4
 #   VAR_FINAL_IPV4_GW
 #   VAR_FINAL_IPV4_SUBNET
-#   VAR_FINAL_IPV6
+#   VAR_FINAL_IPV6_CIDR
 #   VAR_FINAL_IPV6_GW
-#   VAR_FINAL_IPV6_SUBNET
 #   VAR_FINAL_NIC
 #   VAR_LINK_IPV6
 #   network_autoconfig_enable
@@ -38,7 +37,8 @@ guard_sourcing
 #######################################
 installation_network() {
   ### Declare Arrays, HashMaps, and Variables.
-  declare     var_supersede="" var_supersede_ipv6=""
+  declare     var_supersede=""
+  declare -a  ary_dns_supersede=()
   declare -r  var_logfile="/root/.ciss/cdi/log/4300_installation_network.log"
 
   chroot_logger "${TARGET}${var_logfile}"
@@ -86,7 +86,7 @@ installation_network() {
 # This file describes the network interfaces available on your system
 # and how to activate them. For more information, see interfaces(5).
 
-source-directory /etc/network/interfaces.d/*
+source-directory /etc/network/interfaces.d
 
 # The loopback network interface
 auto lo
@@ -131,7 +131,6 @@ EOF
 
   if [[ "${network_autoconfig_enable}" == "false" ]]; then
 
-    # shellcheck disable=SC2153
     insert_header   "${TARGET}/etc/network/interfaces.d/10-ipv4-static"
     insert_comments "${TARGET}/etc/network/interfaces.d/10-ipv4-static"
     cat << EOF >>   "${TARGET}/etc/network/interfaces.d/10-ipv4-static"
@@ -173,7 +172,7 @@ EOF
     cat << EOF >>   "${TARGET}/etc/network/interfaces.d/10-ipv6-static"
 # The primary network interface: IPv6 via static IP
 iface ${VAR_FINAL_NIC} inet6 static
-    address ${VAR_FINAL_IPV6}/${VAR_FINAL_IPV6_SUBNET}
+    address ${VAR_FINAL_IPV6_CIDR}
     gateway ${VAR_FINAL_IPV6_GW}
     dns-nameservers ${ARY_IPV6_NS[*]}
 
@@ -185,7 +184,7 @@ EOF
   fi
 
 
-  ### Ensure 'dhcpcd-base' DHCP Client is not overwriting the static nameserver settings.
+  ### Prepare basic 'dhcpcd-base' DHCP Client options.
   if [[ -f "${TARGET}/etc/dhcpcd.conf" ]]; then
 
     mkdir -p "${TARGET}/root/.ciss/cdi/backup/etc"
@@ -218,35 +217,26 @@ fqdn both
 EOF
 
 
-  if [[ -n "${network_static_ipv4nameserver_0}" ]]; then
+  ### Ensure 'dhcpcd-base' DHCP Client is not overwriting the static nameserver settings.
+  ### Collect static DNS from YAML (IPv4 and IPv6).
+  [[ -n "${network_static_ipv4nameserver_0:-}" ]] && ary_dns_supersede+=( "${ARY_IPV4_NS[@]}" )
+  [[ -n "${network_static_ipv6nameserver_0:-}" ]] && ary_dns_supersede+=( "${ARY_IPV6_NS[@]}" )
+
+  if [[ "${#ary_dns_supersede[@]}" -gt 0 ]]; then
 
     cat << EOF >>   "${TARGET}/etc/dhcpcd.conf"
 ### Enforce static DNS
 nooption domain_name_servers
 nohook rdnssd
 
-### Static resolvers (IPv4).
+### Static DNS-resolvers
 interface ${VAR_FINAL_NIC}
 EOF
 
-    var_supersede=$(printf "%s " "${ARY_IPV4_NS[@]}")
+    var_supersede=$(printf "%s " "${ary_dns_supersede[@]}")
     echo "  static domain_name_servers=${var_supersede}" >> "${TARGET}/etc/dhcpcd.conf"
 
-    do_log "info" "file_only" "4300() DHCP client configuration for IPv4: '${TARGET}/etc/dhcpcd.conf' configured."
+    do_log "info" "file_only" "4300() DHCP client configuration: '${TARGET}/etc/dhcpcd.conf' configured."
-
-  fi
-
-
-  if [[ -n "${network_static_ipv6nameserver_0}" ]]; then
-
-    cat << EOF >>   "${TARGET}/etc/dhcpcd.conf"
-
-### Static resolvers (IPv6).
-EOF
-    var_supersede_ipv6=$(printf "%s " "${ARY_IPV6_NS[@]}")
-    echo "  static domain_name_servers=${var_supersede_ipv6}" >> "${TARGET}/etc/dhcpcd.conf"
-
-    do_log "info" "file_only" "4300() DHCP client configuration for IPv6: '${TARGET}/etc/dhcpcd.conf' configured."
 
   fi