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|
# common shell scripts functions for packaging list scripts
#
if [ -z "$home" ]
then
echo >&2 "packages.rc: Botch: \$home not set"
exit
fi
if [ ! -x $home/whatami ]
then
echo >&2 "packages.rc: Botch: cannot find executable ../whatami"
exit
fi
_setversions()
{
[ -z "$tmp" ] && tmp=/var/tmp/$$
$home/whatami \
| awk '{ for (i = 3; i <= NF; i++) printf $i " "; print "" }' \
| sed \
-e 's/ \[.*//' \
-e 's/ ([^)]*)//' \
-e 's/RHEL Server/RHEL/' \
-e 's/Arch Linux/ArchLinux /' \
-e '/CentOS/{
s/CentOS Linux/CentOS/
s/CentOS\([0-9]\)/CentOS \1/
}' \
-e '/Debian/{
s;bullseye/sid;11;
s;bookworm/sid;12;
s;trixie/sid;13;
s;forky/sid;14;
}' \
-e '/FreeBSD/{
s/-RELEASE//
s/-p[0-9][0-9]*//
}' \
-e '/SLES\([0-9][0-9]*\) SP/s//\1-SP/' \
-e '/openSUSE/{
s/ Leap//
s/ Alpha//
}' \
-e '/OpenIndiana/s/Hipster //' \
-e '/OpenMandriva/{
s/ Lx//
s/ (Argon)//
}' \
-e 's/^/arch=/' \
-e 's/ /+distro=/' \
-e 's/ / version="/' \
-e 's/+distro/ distro/' \
-e 's/$/"/' \
| tr ' ' '\012' >$tmp.eval
[ "$very_verbose" = "true" ] && echo >&2 "Info: `tr '\012' ' ' <$tmp.eval`"
eval `cat $tmp.eval`
full_version="$version"
full_arch="$arch"
rm -f $tmp.eval
}
# The require, unavailable and skip files have the same format,
# listing packages and package patterns that apply to a particular
# distribution, version and architecture.
#
# This function parses one of these files (specified as $1) and the
# selected packages (if any) are written on std output
#
_parse_file()
{
[ -z "$tmp" ] && tmp=/var/tmp/$$
rm -f $tmp.matches
sed <$1 \
-e 's/#.*//' \
-e '/^[ ]*$/d' \
| while read distro_pat version_pat arch_pat packages
do
if echo "$distro" | grep "^$distro_pat" >/dev/null
then
# Distro matches, check versions
#
_match=true
if [ "X$version_pat" = "X-" -o -z "$full_version" ]
then
:
else
if echo "$full_version" | grep "^$version_pat" >/dev/null
then
:
else
_match=false
fi
fi
if $_match
then
# Distro and version matches, check architecture
if [ "X$arch_pat" = "X-" -o -z "$full_arch" ]
then
:
else
if echo "$full_arch" | grep "^$arch_pat" >/dev/null
then
:
else
_match=false
fi
fi
fi
if $_match
then
echo "$packages" >>$tmp.matches
fi
fi
done
if [ -s $tmp.matches ]
then
tr '\012' ' ' <$tmp.matches
else
$very_verbose && echo >&2 "_parse_file: $1: no matches"
fi
rm -f $tmp.matches
}
# Larry Wall-style sniffing to discover primary IP addr and netmask
#
_getnetworkaddr()
{
__verbose=false
$very_verbose && __verbose=true
if `which hostname >/dev/null 2>&1`
then
host=`hostname`
if `which host >/dev/null 2>&1`
then
host_out=`host $host`
if echo "$host_out" | grep ' has address ' >/dev/null
then
addr=`echo "$host_out" | sed -e 's/.*address //'`
$__verbose && echo "_getnetworkaddr: host -> addr=$addr" >&2
if `which ifconfig >/dev/null 2>&1`
then
# ifconfig line of interest looks like:
# inet 192.168.1.100 netmask 255.255.255.0 ...
# or
# inet addr:192.168.1.224 Bcast:192.168.1.255 Mask:255.255.255.0
# or
# inet 192.168.1.238/24 broadcast 192.168.1.255 flags 0x0
#
__config=`ifconfig | grep "[ :]$addr[ /]"`
if echo "$__config" | grep '[Mm]ask' >/dev/null
then
mask=`echo "$__config" | sed -e 's/.*ask[ :]\([^ ][^ ]*\).*/\1/'`
elif echo "$__config" | grep " $addr/" >/dev/null
then
mask=`echo "$__config" | sed -e '/\/24/s/.*/255.255.255.0/'`
else
echo "_getnetworkaddr: botched config line: $__config" >&2
mask=''
fi
$__verbose && echo "_getnetworkaddr: ifconfig -> mask=$mask" >&2
case "$mask"
in
255.255.255.0|0xffffff00|ffffff00) # /24 network
echo "$addr" | sed -e 's/\.[0-9]*$/.*/'
;;
# pmcd's [access] is not smart enough to handle other
# than /24 networks, so map the other likely options
# to the broader /24 network
#
255.255.255.128|255.255.255.192|255.255.255.224|255.255.255.240|255.255.255.248|255.255.255.252|255.255.255.254)
echo "$addr" | sed -e 's/\.[0-9]*$/.*/'
;;
*)
echo >&2 "_getnetworkaddr: Warning: cannot handle network mask: $mask"
;;
esac
elif `which ip >/dev/null 2>&1`
then
# ip line of interest looks like:
# 4: br0 inet 192.168.1.100/24 ...
#
mask=`ip -f inet -o address | grep " $addr/" | sed -e 's/.*inet //' -e 's/[0-9.][0-9.]*\/\([^ ][^ ]*\) .*/\1/'`
$__verbose && echo "_getnetworkaddr: ip -> mask=$mask" >&2
if [ "$mask" != 24 ]
then
# pmcd's [access] is not smart enough to handle other
# than /24 networks, so map the other likely options
echo >&2 "_getnetworkaddr: Warning: cannot handle network mask: $mask"
fi
# /24 netmask
mask=255.255.255.0
echo "$addr" | sed -e 's/\.[0-9]*$/.*/'
else
echo >&2 "Neither ifconfig(1) nor ip(1)? Not sure how to get primary ip addr and netmask"
fi
elif echo "$host_out" | grep ' not found: ' >/dev/null
then
# container or dodgey network configuration ... see if
# ip(1) can help out with a line like
# 3: eth0 inet 10.88.0.2/16 ...
#
if `which ip >/dev/null 2>&1`
then
ip -f inet -o addr | grep -v ': lo ' >$tmp.ip 2>&1
num_if=`wc -l <$tmp.ip | sed -e 's/ //g'`
if [ "$num_if" = 1 ]
then
addr=`sed <$tmp.ip -e 's/.* inet //' -e 's@/.*@@'`
$__verbose && echo "_getnetworkaddr: ip -> addr=$addr" >&2
echo "$addr"
mask=`sed <$tmp.ip -e 's/.*inet //' -e 's/[0-9.][0-9.]*\/\([^ ][^ ]*\) .*/\1/'`
if [ "$mask" != 24 ]
then
echo >&2 "_getnetworkaddr: Warning: cannot handle network mask: $mask"
fi
# /24 netmask
mask=255.255.255.0
$__verbose && echo "_getnetworkaddr: ip -> mask=$mask" >&2
else
echo >&2 "Unexpected ip(1) output: more than one line ..."
cat >&2 $tmp.ip
fi
else
echo >&2 "host(1) failed and ip(1) not installed ... cannot get ip_addr and netmask"
fi
else
echo >&2 "Unexpected host(1) output: $host_out ... cannot get ip addr and netmask"
fi
else
echo >&2 "No host(1)? Not sure how to get primary ip addr and netmask"
fi
else
echo >&2 "No hostname(1)? Not sure how to get primary ip addr and netmask"
fi
}
|
