forked from tfgrid/zosbuilder
fix: Switch to space-separated sources.conf format
- Change from colon to space separation to avoid URL parsing issues - Update sources.conf format: TYPE NAME URL VERSION BUILD_FUNCTION [EXTRA] - Implement awk-based parsing for reliable field extraction - Fix firmware package list (remove unavailable linux-firmware-marvell)
This commit is contained in:
158
initramfs/usr/lib/dhcpcd/dhcpcd-hooks/30-hostname
Normal file
158
initramfs/usr/lib/dhcpcd/dhcpcd-hooks/30-hostname
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@@ -0,0 +1,158 @@
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# Set the hostname from DHCP data if required
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# A hostname can either be a short hostname or a FQDN.
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# hostname_fqdn=true
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# hostname_fqdn=false
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# hostname_fqdn=server
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# A value of server means just what the server says, don't manipulate it.
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# This could lead to an inconsistent hostname on a DHCPv4 and DHCPv6 network
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# where the DHCPv4 hostname is short and the DHCPv6 has an FQDN.
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# DHCPv6 has no hostname option.
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# RFC4702 section 3.1 says FQDN should be prefered over hostname.
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#
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# As such, the default is hostname_fqdn=true so that a consistent hostname
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# is always assigned.
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: ${hostname_fqdn:=true}
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# If we used to set the hostname, but relinquish control of it, we should
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# reset to the default value.
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: ${hostname_default=(none)}
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# Some systems don't have hostname(1)
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_hostname()
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{
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if [ -z "${1+x}" ]; then
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if [ -r /proc/sys/kernel/hostname ]; then
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read name </proc/sys/kernel/hostname && echo "$name"
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elif command -v hostname >/dev/null 2>/dev/null; then
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hostname
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elif sysctl kern.hostname >/dev/null 2>&1; then
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sysctl -n kern.hostname
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elif sysctl kernel.hostname >/dev/null 2>&1; then
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sysctl -n kernel.hostname
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else
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return 1
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fi
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return $?
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fi
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if [ -w /proc/sys/kernel/hostname ]; then
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echo "$1" >/proc/sys/kernel/hostname
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elif [ -n "$1" ] && command -v hostname >/dev/null 2>&1; then
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hostname "$1"
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elif sysctl kern.hostname >/dev/null 2>&1; then
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sysctl -w "kern.hostname=$1" >/dev/null
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elif sysctl kernel.hostname >/dev/null 2>&1; then
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sysctl -w "kernel.hostname=$1" >/dev/null
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else
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# May fail to set a blank hostname
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hostname "$1"
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fi
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}
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is_default_hostname()
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{
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case "$1" in
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""|"$hostname_default"|localhost|localhost.localdomain)
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return 0;;
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esac
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return 1
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}
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need_hostname()
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{
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# Always load the hostname variable for future use
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hostname="$(_hostname)"
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is_default_hostname "$hostname" && return 0
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case "$force_hostname" in
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[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|1) return 0;;
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esac
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if [ -n "$old_fqdn" ]; then
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if ${hfqdn} || ! ${hshort}; then
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[ "$hostname" = "$old_fqdn" ]
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else
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[ "$hostname" = "${old_fqdn%%.*}" ]
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fi
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elif [ -n "$old_host_name" ]; then
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if ${hfqdn}; then
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if [ -n "$old_domain_name" ] &&
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[ "$old_host_name" = "${old_host_name#*.}" ]
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then
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[ "$hostname" = \
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"$old_host_name.$old_domain_name" ]
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else
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[ "$hostname" = "$old_host_name" ]
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fi
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elif ${hshort}; then
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[ "$hostname" = "${old_host_name%%.*}" ]
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else
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[ "$hostname" = "$old_host_name" ]
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fi
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else
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# No old hostname
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false
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fi
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}
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try_hostname()
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{
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[ "$hostname" = "$1" ] && return 0
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if valid_domainname "$1"; then
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syslog info "Setting hostname: $1"
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_hostname "$1"
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else
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syslog err "Invalid hostname: $1"
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fi
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}
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set_hostname()
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{
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hfqdn=false
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hshort=false
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case "$hostname_fqdn" in
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[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|1) hfqdn=true;;
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""|[Ss][Ee][Rr][Vv][Ee][Rr]) ;;
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*) hshort=true;;
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esac
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need_hostname || return 0
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if [ -n "$new_fqdn" ]; then
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if ${hfqdn} || ! ${hshort}; then
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try_hostname "$new_fqdn"
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else
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try_hostname "${new_fqdn%%.*}"
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fi
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elif [ -n "$new_host_name" ]; then
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if ${hfqdn}; then
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if [ -n "$new_domain_name" ] &&
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[ "$new_host_name" = "${new_host_name#*.}" ]
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then
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try_hostname "$new_host_name.$new_domain_name"
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else
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try_hostname "$new_host_name"
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fi
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elif ${hshort}; then
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try_hostname "${new_host_name%%.*}"
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else
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try_hostname "$new_host_name"
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fi
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elif ! is_default_hostname "$hostname"; then
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try_hostname "$hostname_default"
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fi
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}
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# For ease of use, map DHCP6 names onto our DHCP4 names
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case "$reason" in
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BOUND6|RENEW6|REBIND6|REBOOT6|INFORM6)
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new_fqdn="$new_dhcp6_fqdn"
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old_fqdn="$old_dhcp6_fqdn"
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;;
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esac
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if $if_configured && $if_up && [ "$reason" != ROUTERADVERT ]; then
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set_hostname
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fi
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