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authorRod Whitby <rod@whitby.id.au>2006-01-07 08:58:44 +0000
committerOpenEmbedded Project <openembedded-devel@lists.openembedded.org>2006-01-07 08:58:44 +0000
commit8fb6b2d3d410ad2badf0c99ed7a66b698aafaa17 (patch)
tree8a700d795bdf33061b8bccc353fe0aaffa044036 /packages/openslug-init/openslug-init-0.10/functions
parent0b67482ddc4fe571d16fa094627abb447b9a8edb (diff)
slugos: Major rename of common SlugOS files and directories from openslug to slugos.
Diffstat (limited to 'packages/openslug-init/openslug-init-0.10/functions')
-rwxr-xr-xpackages/openslug-init/openslug-init-0.10/functions332
1 files changed, 0 insertions, 332 deletions
diff --git a/packages/openslug-init/openslug-init-0.10/functions b/packages/openslug-init/openslug-init-0.10/functions
deleted file mode 100755
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--- a/packages/openslug-init/openslug-init-0.10/functions
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@@ -1,332 +0,0 @@
-# . this file to load the following utility functions
-#
-# mtdev "name"
-# return (output) the character device name for flash parition "name"
-# /proc/mtd has the general form:
-# dev: size erasesize name
-# mtd5: 00020000 00020000 "FIS directory"
-# use this rather than hard-wiring the device because the partition
-# table can change - looking in /proc/mtd is more reliable.
-mtdev(){
- sed -n 's!^\(mtd[0-9][0-9]*\):[^"]*"'"$1"'"$!/dev/\1!p' /proc/mtd
-}
-#
-# mtblockdev "name"
-# as mtdev but output the name of the block (not character) device
-mtblockdev(){
- sed -n 's!^mtd\([0-9][0-9]*\):[^"]*"'"$1"'"$!/dev/mtdblock\1!p' /proc/mtd
-}
-#
-# mtsize "name"
-# the size of the partition as a hexadecimal value (with 0x at the front)
-mtsize(){
- sed -n 's!^mtd[0-9][0-9]*: \([^ ]*\)[^"]*"'"$1"'"$!0x\1!p' /proc/mtd
-}
-#
-# sysvalmatch "section" "name" 'pattern' "configuration file"
-# sysvalof "section" "name" "configuration file"
-# sysval "section" "name"
-# outputs the value of the SysConf variable 'name' from section 'section',
-# this is a bit gross, when it gets a match it copies the value to the
-# hold space, if no match it jumps over the copy, at the end ($) it copies
-# the hold space to the pattern space and prints the result, thus it only
-# ever prints the last match
-# BUG FIX: busybox sed doesn't initialise the hold space and crashes if it
-# is used before initialisation, so temporarily this script does it's own
-# tail by hand.
-# NOTE: these functions should only be used internally, add entries to 'config'
-# below if necessary. This is because 'config' does the defaulting and in the
-# recovering case (zero or absent SysConf) /etc/default/sysconf only contains
-# the hw_addr entry!
-sysvalmatch(){
- # sed -n '/^\['"$1"'\]$/,/^\[.*\]$/s/^'"$2"'=\('"$3"'\)$/\1/;tH;bE;:H;h;:E;$g;$p' "$4"
- sed -n '/^\['"$1"'\]$/,/^\[.*\]$/s/^'"$2"'=\('"$3"'\)$/\1/p' "$4" | sed -n '$p'
-}
-sysvalof(){
- sysvalmatch "$1" "$2" '.*' "$3"
-}
-sysval(){
- sysvalof "$1" "$2" /etc/default/sysconf
-}
-#
-# config "value"
-# convenience callers for specific values to avoid mis-typing in scripts
-# NOTE: this function does the defaulting, 'sysval' does not! Validity
-# of the sysconf file is determined by the presence of the all important
-# hw_addr.
-config(){
- local mac
- mac=
- test -r /etc/default/sysconf &&
- mac="$(sysvalmatch network hw_addr '[0-9A-Za-z][0-9A-Za-z]:[0-9A-Za-z][0-9A-Za-z]:[0-9A-Za-z][0-9A-Za-z]:[0-9A-Za-z][0-9A-Za-z]:[0-9A-Za-z][0-9A-Za-z]:[0-9A-Za-z][0-9A-Za-z]' /etc/default/sysconf)"
- if test -n "$mac"
- then
- case "$1" in
- mac) echo "$mac";;
- host) if test -n "$(sysval network disk_server_name)"
- then
- sysval network disk_server_name
- elif test -n "$(sysval network default_server_name)"
- then
- sysval network default_server_name
- else
- echo "$mac" | sed -n 's/^..:..:..:\(..\):\(..\):\(..\)$/LKG\1\2\3/p'
- fi;;
- domain) sysval network w_d_name;;
- iface) if test -n "$(sysval network lan_interface)"
- then
- sysval network lan_interface
- else
- echo eth0
- fi;;
- ip) if test -n "$(sysval network ip_addr)"
- then
- sysval network ip_addr
- else
- echo 192.168.1.77
- fi;;
- netmask)sysval network netmask;;
- gateway)sysval network gateway;;
- dns) sysval network dns_server1;;
- dns2) sysval network dns_server2;;
- dns3) sysval network dns_server3;;
- boot) if test -n "$(sysval network bootproto)"
- then
- sysval network bootproto
- else
- echo dhcp
- fi;;
- valid) return 0;;
- *) return 1;;
- esac
- else
- # These are the defaults for an invalid mac address, use the compiled
- # in hardware address.
- case "$1" in
- mac) echo "00:02:B3:02:02:01";;
- host) echo "brokenslug";;
- iface) echo eth0;;
- ip) echo 192.168.1.77;;
- boot) echo dhcp;;
- *) return 1;;
- esac
- fi
-}
-#
-# checkif "iface"
-# Validate an interface name by making sure that it exists
-# in /proc/net/dev (and is not lo). The listing outputs the
-# interface followed by a :, the check function looks for
-# something of the form '$1[a-zA-Z0-9]*:' and outputs the
-# part preceding the ':'
-checkif(){
- sed -n '/^[ ]*lo:/d;s/^[ ]*\('"$1"'[a-zA-Z0-9]*\):.*$/\1/p;tE;d;:E;q' /proc/net/dev
-}
-#
-# checkmount "mountpoint"
-# tests an already mounted mountpoint to see whether to attempt to
-# boot with this as root. Returns success if it appears ok.
-checkmount(){
- # basic test for init (the kernel will try to load this)
- # but require a shell in bin/sh and no .recovery too
- test \( ! -f "$1/.recovery" \) -a \
- \( -d "$1/initrd" -o -d "$1/mnt" \) -a \
- \( -x "$1/bin/sh" -o -h "$1/bin/sh" \) -a \
- \( -x "$1/sbin/init" -o -h "$1/sbin/init" -o \
- -x "$1/etc/init" -o -h "$1/etc/init" -o \
- -x "$1/bin/init" -o -h "$1/bin/init" \)
-}
-#
-# swivel "new root" "old root"
-# NOTE: the arguments must be paths relative to /, bad things
-# will happen if the arguments themselves start with /
-# Pivot to a new root. This does all the fancy pivot_root stuff
-# including closing streams and does a umount /proc - it doesn't
-# matter if this fails (failure codes are ignored), but if /proc
-# was mounted it must be restored by the caller on return.
-# Normally this function never returns!
-# On return 0,1,2 are connected to /dev/console - this may not
-# have been true before!
-swivel() {
- cd "$1"
- exec <&- >&- 2>&-
- # This is just-in-case the called mounted /proc and was
- # unable to close it because of the streams
- umount /proc 2>/dev/null
- if pivot_root . "$2"
- then
- # everything must move out of the old root, this process
- # is $2/bin/sh so it must die, IO is redirected
- # just in case - typically it will be to a device so it
- # won't hold the old root open.
- # the exec here is the first point at which the old root
- # is unused - before the exec regardless of the close of
- # 0,1,2 above ash still has *this* shell script open!
- # (it's on fd 10).
- # init closes all file descriptors, there's no point
- # supplying it with fds.
- # NOTE: this used to use $2/usr/sbin/chroot, however on
- # linux / is already . when the command is executed
- # therefore it is essential to use the local (new root)
- # chroot to ensure it gets the correct shared libraries.
- exec usr/sbin/chroot . bin/sh -c "\
- test -x sbin/init && exec sbin/init
- test -x etc/init && exec etc/init
- test -x bin/init && exec bin/init
- leds -A +gr1 '!g1'
- sleep 10 >/.recovery
- sync;sync;sync
- exit 1"
- fi
- #
- # recovery - must restore the old root
- cd "$2"
- sbin/pivot_root . "$1"
- # cd is back to $1 - either pivot_root doesn't change it and the
- # chroot above was not executed, or pivot_root does change it and
- # has just changed it back!
- exec <>/dev/console >&0 2>&0
-}
-#
-# ifup "interface"
-# bring that interface up with the configured ip and other
-# information
-ifup(){
- local ip hostname router subnet iface HOSTNAME NETMASK BROADCAST
-
- iface="$1"
- ip="$(config ip)"
- hostname="$(config host)"
- router="$(config gateway)"
- broadcast=
-
- if test -n "$ip"
- then
- # only if an ip was specified
- subnet="$(config netmask)"
- else
- ip=192.168.1.77
- fi
-
- # First try udhcpc - note that the /boot/udhcpc.script
- # simply records the values returned and the udhcpc
- # is not left running so this will only work for
- # the lease length time!
- ifconfig "$iface" up
- if test "$(config boot)" != static
- then
- test -n "$hostname" && HOSTNAME="-H $hostname"
- # The script writes the required shell variable assignments
- # to file descriptor 9
- eval $(udhcpc -i "$iface" -n -q -r "$ip" $HOSTNAME -s /boot/udhcpc.script 9>&1 >/dev/null)
- fi
-
- test -n "$broadcast" && BROADCAST="broadcast $broadcast"
- test -n "$subnet" && NETMASK="netmask $subnet"
-
- if ifconfig "$iface" "$ip" $NETMASK $BROADCAST
- then
- for route in $router
- do
- route add default gw "$route" dev "$iface"
- done
- return 0
- else
- ifconfig "$iface" down
- return 1
- fi
-}
-#
-# ifdown "interface"
-# take the interface down
-ifdown(){
- ifconfig "$1" down
-}
-#
-# mountflash "flash device" "flash root directory" {mount options}
-# Finds and mounts the flash file system on the given directory
-mountflash() {
- local ffsdev ffsdir
-
- ffsdev="$1"
- test -n "$ffsdev" -a -b "$ffsdev" || {
- echo "$0: unable to find flash file system to copy ($ffsdev)" >&2
- return 1
- }
- shift
-
- ffsdir="$1"
- test -n "$ffsdir" -a -d "$ffsdir" || {
- echo "$0: mountflash $ffsdir: not a directory (internal error)" >&2
- return 1
- }
- shift
-
- mount -t jffs2 "$@" "$ffsdev" "$ffsdir" || {
- echo "$0: $ffsdev: unable to mount flash file system on $ffsdir" >&2
- return 1
- }
- return 0
-}
-#
-# umountflash [-r] "flash device"
-# unmount any instance of the given flash device, if -r is specified a mount on
-# root is an error, otherwise a mount on root is ignored (and remains).
-umountflash() {
- local rootok ffsno ffsdev
- rootok=1
- case "$1" in
- -r) rootok=
- shift;;
- esac
- #
- # The argument is ffsdev
- ffsdev="$1"
- ffsno="$(devio "<<$ffsdev" prd)"
- test -n "$ffsno" -a "$ffsno" -ge 0 || {
- echo "$0: $ffsdev: device number $ffsno is not valid, cannot continue." >&2
- return 1
- }
- #
- # Make sure that Flashdisk isn't mounted on /
- if test -z "$rootok" -a "$(devio "<</etc/init.d/sysconfsetup" prd)" -eq "$ffsno"
- then
- echo "$0: $ffsdev is mounted on /, use turnup ram" >&2
- return 1
- fi
- #
- # The function is currently always used interactively, so output
- echo "$0: umounting any existing mount of $ffsdev" >&2
- #
- # check each mount point, do this last first because otherwise nested
- # mounts of ffsdev cannot be umounted.
- ffs_umount() {
- local device mp type options stuff
-
- read device mp type options stuff
- test -z "$device" && return 0
-
- # handle following entries first
- ffs_umount || return 1
-
- # handle this entry, since this is currently only used for unmounting
- # the flash root partition we know a file which must exist...
- case "$mp/$type" in
- //jffs2);; # skip /
- */jffs2)test "$(devio "<<$mp/etc/init.d/sysconfsetup" prd 2>/dev/null)" -ne "$ffsno" ||
- umount "$mp" || {
- echo "$0: $mp: unable to umount $ffsdev" >&2
- return 1
- };;
- esac
-
- return 0
- }
- #
- ffs_umount </proc/mounts || {
- echo "$0: umount $ffsdev from all mount points then re-run reflash" >&2
- return 1
- }
-
- return 0
-}