FL-227: Change how /etc/hosts is generated

This is just a minimal port to get Debian up and running; the rest will
be done later.

Makefile.inc

@@ -1,3 +1,3 @@
 NAME=		openrc
-VERSION=	0.12.3
+VERSION=	0.12.4
 PKG=		${NAME}-${VERSION}

conf.d/hostname

@@ -1,2 +1,15 @@
-# Set to the hostname of this machine
+# Set to the fully qualified domain name (e.g. "mybox.example.com") of
+# this machine, if it has one, otherwise set to the machine name
+# (e.g. "mybox").
 hostname="localhost"
+
+# Set to the NIS domain name of this machine, if it has one, otherwise
+# leave commented out.
+#nisdomainname="localdomain.com"
+
+# Set other alias-to-address mappings, if needed, otherwise leave
+# commented out.
+#aliases="127.0.0.1 mybox
+#10.0.0.1	mylaptop
+#172.16.0.1	myserver
+#192.168.0.1	myworkstation"

etc/rc.conf.GNU-kFreeBSD

@@ -0,0 +1,11 @@
+##############################################################################
+# GNU/kFreeBSD SPECIFIC OPTIONS
+
+# This is the subsystem type. Valid options on GNU/kFreeBSD:
+# ""        - nothing special
+# "jail"    - FreeBSD jails (not yet implemented)
+# If this is commented out, automatic detection will be used.
+#
+# This should be set to the value representing the environment this file is
+# PRESENTLY in, not the virtualization the environment is capable of.
+#rc_sys=""

init.d/Makefile

@@ -1,7 +1,7 @@
 include ../mk/net.mk
 
 DIR=	${INITDIR}
-SRCS=	bootmisc.in fsck.in hostname.in local.in localmount.in loopback.in \
+SRCS=	bootmisc.in fsck.in hostname.in local.in localmount.in \
 	netmount.in root.in savecache.in swap.in swapfiles.in \
 	tmpfiles.setup.in swclock.in sysctl.in urandom.in ${SRCS-${OS}}
 BIN=	${OBJS}

init.d/bootmisc.in

@@ -117,6 +117,7 @@ migrate_to_run()
 
 clean_run()
 {
+	[ "$RC_SYS" = VSERVER ] && return 0
 	local dir
 	dir=$(mktemp -d)
 	mount --bind / $dir

init.d/hostname.in

@@ -1,18 +1,57 @@
-#!@SBINDIR@/runscript
+#!@PREFIX@/sbin/runscript
 # Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
 # Released under the 2-clause BSD license.
 
 description="Sets the hostname of the machine."
 
 depend() {
-	keyword -prefix -lxc
+	need root
 }
 
 start()
 {
-	# HOSTNAME variable used to be defined in caps in conf.d/hostname.
-	# It is also a magic variable in bash.
-	hostname=${hostname-${HOSTNAME-localhost}} # checkbashisms: false positive
+	hostname=${hostname-${HOSTNAME-localhost}}
+	out=$hostname
+	short=${hostname%%.*}
+	if [ "$short" != "$hostname" ]; then
+		out="$out $short"
+	fi
+	if [ "$nisdomainname" != "" ]; then
+		ebegin "Setting NIS domain name to $nisdomainname"
+		nisdomainname $nisdomainname
+		eend $? "Failed to set the NIS domain name"
+	fi
+	if [ "$short" != "localhost" ]; then
+		out="$out localhost"
+	fi
+	if [ "$hostname" != "localhost.localdomain" ]; then
+		out="$out localhost.localdomain"
+	fi
+	[ -n "$aliases" ] && out2="$aliases"
+	ebegin "Configuring /etc/hosts"
+	cat << END > /etc/hosts
+# Local Host Database
+#
+# This AUTOMATICALLY-GENERATED file describes a number of aliases-to-address
+# mappings for the local hosts that share this file.
+#
+# In the presence of the domain name service or NIS, this file may not be
+# consulted at all; see /etc/host.conf for the resolution order.
+#
+# DO NOT EDIT THIS FILE BY HAND; YOUR CHANGES WILL BE OVERWRITTEN
+#
+# Define alias-to-address mappings in /etc/conf.d/hostname
+
+# IPv4 and IPv6 localhost aliases
+127.0.0.1	$out
+::1		$out
+
+# Other aliases
+$out2
+END
+	chmod 0644 /etc/hosts
+	eend $?
+	[ "$RC_SYS" = "LXC" ] && return 0
 	ebegin "Setting hostname to $hostname"
 	hostname "$hostname"
 	eend $? "Failed to set the hostname"

init.d/loopback.in

@@ -1,35 +0,0 @@
-#!@SBINDIR@/runscript
-# Copyright (c) 2013 William Hubbs <w.d.hubbs@gmail.com>
-# Released under the 2-clause BSD license.
-
-description="Configures the loopback interface."
-
-depend()
-{
-	return 0
-}
-
-start()
-{
-	if [ "$RC_UNAME" = Linux ]; then
-		ebegin "Bringing up network interface lo"
-		if type ip > /dev/null 2>&1; then
-			ip addr add 127.0.0.1/8 dev lo brd + scope host
-			ip route add 127.0.0.0/8 dev lo scope host
-			ip link set lo up
-		else
-			ifconfig lo 127.0.0.1 netmask 255.0.0.0
-			route add -net 127.0.0.0 netmask 255.0.0.0 gw 127.0.0.1
-		fi
-	else
-		ebegin "Bringing up network interface lo0"
-		ifconfig lo0 127.0.0.1 netmask 255.0.0.0
-		route -q add -inet 127.0.0.0 -netmask 255.0.0.0 127.0.0.1
-	fi
-	eend $?
-}
-
-stop()
-{
-	return 0
-}

init.d/sysctl.Linux.in

@@ -1,11 +1,11 @@
-#!@SBINDIR@/runscript
+#!@PREFIX@/sbin/runscript
 # Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
 # Released under the 2-clause BSD license.
 
 depend()
 {
 	before bootmisc logger
-	keyword -lxc -prefix -vserver
+	keyword -lxc -vserver
 }
 
 start()
@@ -15,6 +15,14 @@ start()
 	ebegin "Configuring kernel parameters"
 	eindent
 
+	# default sysctl System V max shared memory to 1/4 of RAM:
+	mem_bytes=`awk '/MemTotal:/ { printf "%0.f",$2 * 1024}' /proc/meminfo`
+	mem_max=`expr $mem_bytes / 4`
+	page_size=`getconf PAGE_SIZE`
+	shmall=`expr $mem_bytes / $page_size`
+	sysctl kernel.shmmax=$mem_max > /dev/null
+	sysctl kernel.shmall=$shmall > /dev/null
+
 	for conf in @SYSCONFDIR@/sysctl.conf @SYSCONFDIR@/sysctl.d/*.conf; do
 		if [ -r "$conf" ]; then
 			vebegin "applying $conf"

mk/net.mk

@@ -1 +1 @@
-MKNET?= yes
+MKNET?= no

mk/os-GNU-kFreeBSD.mk

@@ -0,0 +1,9 @@
+# Copyright (c) 2008 Roy Marples <roy@marples.name>
+# Released under the 2-clause BSD license.
+
+# Generic definitions
+
+CPPFLAGS+=	-D_BSD_SOURCE -D_XOPEN_SOURCE=700
+LIBDL=		-Wl,-Bdynamic -ldl
+LIBKVM?=
+include ${MK}/os-BSD.mk

mk/os.mk

@@ -3,7 +3,7 @@
 
 # Generic definitions
 
-_OS_SH=		uname -s
+_OS_SH=		uname -s | tr '/' '-'
 _OS:= 		$(shell ${_OS_SH})
 OS?= 		${_OS}
 include ${MK}/os-${OS}.mk

runlevels/Makefile

@@ -1,6 +1,6 @@
 include ../mk/net.mk
 
-BOOT=		bootmisc fsck hostname localmount loopback \
+BOOT=		bootmisc fsck hostname localmount \
 		root swap swapfiles sysctl urandom ${BOOT-${OS}}
 DEFAULT=	local netmount
 SHUTDOWN=	savecache ${SHUTDOWN-${OS}}

src/librc/librc-daemon.c

@@ -30,7 +30,7 @@
 
 #include "librc.h"
 
-#if defined(__linux__)
+#if defined(__linux__) || defined (__GLIBC__)
 static bool
 pid_is_exec(pid_t pid, const char *exec)
 {

src/rc/mountinfo.c

@@ -39,7 +39,7 @@
 #  include <sys/statvfs.h>
 #  define statfs statvfs
 #  define F_FLAGS f_flag
-#elif defined (__linux__)
+#elif defined (__linux__) || defined (__GLIBC__)
 #  include <mntent.h>
 #endif
 
@@ -265,7 +265,7 @@ find_mounts(struct args *args)
 	return list;
 }
 
-#elif defined (__linux__)
+#elif defined (__linux__) || defined (__GLIBC__)
 static struct mntent *
 getmntfile(const char *file)
 {

src/rc/rc-logger.c

@@ -44,7 +44,7 @@
 #include <time.h>
 #include <unistd.h>
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__GLIBC__)
 #  include <pty.h>
 #elif defined(__NetBSD__) || defined(__OpenBSD__)
 #  include <util.h>

src/rc/runscript.c

@@ -52,7 +52,7 @@
 #include <time.h>
 #include <unistd.h>
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__GLIBC__)
 #  include <pty.h>
 #elif defined(__NetBSD__) || defined(__OpenBSD__)
 #  include <util.h>