+++ /dev/null
-?RCS: $Id: myhostname.U,v 3.0.1.3 1997/02/28 16:15:55 ram Exp $
-?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS:
-?RCS: You may redistribute only under the terms of the Artistic Licence,
-?RCS: as specified in the README file that comes with the distribution.
-?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
-?RCS:
-?RCS: $Log: myhostname.U,v $
-?RCS: Revision 3.0.1.3 1997/02/28 16:15:55 ram
-?RCS: patch61: improved hostname lookup by using ypmatch when NIS is used
-?RCS:
-?RCS: Revision 3.0.1.2 1994/10/29 16:25:43 ram
-?RCS: patch36: call ./xenix explicitely instead of relying on PATH
-?RCS: patch36: now uses new Tr unit to convert to/from lowercase
-?RCS:
-?RCS: Revision 3.0.1.1 1994/06/20 07:06:20 ram
-?RCS: patch30: now a little more clever for domain name guessing
-?RCS:
-?RCS: Revision 3.0 1993/08/18 12:09:18 ram
-?RCS: Baseline for dist 3.0 netwide release.
-?RCS:
-?MAKE:myhostname phostname mydomain: contains sed test Myread Oldconfig \
- Guess Loc awk echo sort uniq +usrinc rm hostcat Tr
-?MAKE: -pick add $@ %<
-?S:myhostname (hostname):
-?S: This variable contains the eventual value of the MYHOSTNAME symbol,
-?S: which is the name of the host the program is going to run on.
-?S: The domain is not kept with hostname, but must be gotten from mydomain.
-?S: The dot comes with mydomain, and need not be supplied by the program.
-?S:.
-?S:mydomain:
-?S: This variable contains the eventual value of the MYDOMAIN symbol,
-?S: which is the domain of the host the program is going to run on.
-?S: The domain must be appended to myhostname to form a complete host name.
-?S: The dot comes with mydomain, and need not be supplied by the program.
-?S:.
-?S:phostname:
-?S: This variable contains the eventual value of the PHOSTNAME symbol,
-?S: which is a command that can be fed to popen() to get the host name.
-?S: The program should probably not presume that the domain is or isn't
-?S: there already.
-?S:.
-?C:MYHOSTNAME (HOSTNAME):
-?C: This symbol contains name of the host the program is going to run on.
-?C: The domain is not kept with hostname, but must be gotten from MYDOMAIN.
-?C: The dot comes with MYDOMAIN, and need not be supplied by the program.
-?C: If gethostname() or uname() exist, MYHOSTNAME may be ignored. If MYDOMAIN
-?C: is not used, MYHOSTNAME will hold the name derived from PHOSTNAME.
-?C:.
-?C:MYDOMAIN:
-?C: This symbol contains the domain of the host the program is going to
-?C: run on. The domain must be appended to HOSTNAME to form a complete
-?C: host name. The dot comes with MYDOMAIN, and need not be supplied by
-?C: the program. If the host name is derived from PHOSTNAME, the domain
-?C: may or may not already be there, and the program should check.
-?C:.
-?H:#define MYHOSTNAME "$myhostname" /**/
-?H:#define MYDOMAIN "$mydomain" /**/
-?H:.
-?T:cont i tans tmp_re
-: now get the host name
-echo " "
-echo "Figuring out host name..." >&4
-case "$myhostname" in
-'') cont=true
- echo 'Maybe "hostname" will work...'
- if tans=`sh -c hostname 2>&1` ; then
- myhostname=$tans
- phostname=hostname
- cont=''
- fi
- ;;
-*) cont='';;
-esac
-if $test "$cont"; then
- if ./xenix; then
- echo 'Oh, dear. Maybe "/etc/systemid" is the key...'
- if tans=`cat /etc/systemid 2>&1` ; then
- myhostname=$tans
- phostname='cat /etc/systemid'
- echo "Whadyaknow. Xenix always was a bit strange..."
- cont=''
- fi
- elif $test -r /etc/systemid; then
- echo "(What is a non-Xenix system doing with /etc/systemid?)"
- fi
-fi
-if $test "$cont"; then
- echo 'No, maybe "uuname -l" will work...'
- if tans=`sh -c 'uuname -l' 2>&1` ; then
- myhostname=$tans
- phostname='uuname -l'
- else
- echo 'Strange. Maybe "uname -n" will work...'
- if tans=`sh -c 'uname -n' 2>&1` ; then
- myhostname=$tans
- phostname='uname -n'
- else
- echo 'Oh well, maybe I can mine it out of whoami.h...'
- if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then
- myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'`
- phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h"
- else
- case "$myhostname" in
- '') echo "Does this machine have an identity crisis or something?"
- phostname='';;
- *)
- echo "Well, you said $myhostname before..."
- phostname='echo $myhostname';;
- esac
- fi
- fi
- fi
-fi
-: you do not want to know about this
-set $myhostname
-myhostname=$1
-
-: verify guess
-if $test "$myhostname" ; then
- dflt=y
- rp='Your host name appears to be "'$myhostname'".'" Right?"
- . ./myread
- case "$ans" in
- y*) ;;
- *) myhostname='';;
- esac
-fi
-
-: bad guess or no guess
-while $test "X$myhostname" = X ; do
- dflt=''
- rp="Please type the (one word) name of your host:"
- . ./myread
- myhostname="$ans"
-done
-
-: translate upper to lower if necessary
-case "$myhostname" in
-*[A-Z]*)
- echo "(Normalizing case in your host name)"
- myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
- ;;
-esac
-
-?X: Do not ask for domain name if this is not used later on. In that
-?X: case, the hostname may keep its domain name, but it doesn't matter.
-@if MYDOMAIN || mydomain
-case "$myhostname" in
-*.*)
- dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"`
- myhostname=`expr "X$myhostname" : "X\([^.]*\)\."`
- echo "(Trimming domain name from host name--host name is now $myhostname)"
- ;;
-*) case "$mydomain" in
- '')
-?X:
-?X: There is currently no way to say we do not want hostcat if mydomain is not
-?X: used. One way to achieve that would be to put that code in a mydomain.U
-?X: unit. However, we want to stick the sanity checks right after the domain
-?X: name computation, or if none is done, right after the hostname computation.
-?X:
- {
-?X: If we use NIS, try ypmatch.
- test "X$hostcat" = "Xypcat hosts" &&
- ypmatch "$myhostname" hosts 2>/dev/null |\
- $sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \
- $test -s hosts
- } || {
-?X: Extract only the relevant hosts, reducing file size,
-?X: remove comments, insert trailing space for later use.
- $hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ /
- /[ ]$myhostname[ . ]/p" > hosts
- }
- tmp_re="[ . ]"
- $test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ }
- END { print sum }" hosts` = x1 || tmp_re="[ ]"
- dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \
- hosts | $sort | $uniq | \
- $sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"`
- case `$echo X$dflt` in
- X*\ *) echo "(Several hosts in /etc/hosts matched hostname)"
- dflt=.
- ;;
- X.) echo "(You do not have fully-qualified names in /etc/hosts)"
- ;;
- esac
- case "$dflt" in
- .)
- tans=`./loc resolv.conf X /etc /usr/etc`
- if $test -f "$tans"; then
- echo "(Attempting domain name extraction from $tans)"
-?X: Look for either a search or a domain directive.
- dflt=.`$sed -n -e 's/ / /g' \
- -e 's/^search *\([^ ]*\).*/\1/p' $tans \
- | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
- case "$dflt" in
- .) dflt=.`$sed -n -e 's/ / /g' \
- -e 's/^domain *\([^ ]*\).*/\1/p' $tans \
- | ./tr '[A-Z]' '[a-z]' 2>/dev/null`
- ;;
- esac
- fi
- ;;
- esac
- case "$dflt" in
- .) echo "(No help from resolv.conf either -- attempting clever guess)"
- dflt=.`sh -c domainname 2>/dev/null`
- case "$dflt" in
- '') dflt='.';;
- .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
- esac
- ;;
- esac
- case "$dflt" in
- .) echo "(Lost all hope -- silly guess then)"
- dflt='.uucp'
- ;;
- esac
- $rm -f hosts
- ;;
- *) dflt="$mydomain";;
- esac;;
-esac
-echo " "
-rp="What is your domain name?"
-. ./myread
-tans="$ans"
-case "$ans" in
-'') ;;
-.*) ;;
-*) tans=".$tans";;
-esac
-mydomain="$tans"
-
-: translate upper to lower if necessary
-case "$mydomain" in
-*[A-Z]*)
- echo "(Normalizing case in your domain name)"
- mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'`
- ;;
-esac
-
-@end
-: a little sanity check here
-case "$phostname" in
-'') ;;
-*)
- case `$phostname | ./tr '[A-Z]' '[a-z]'` in
- $myhostname$mydomain|$myhostname) ;;
- *)
- case "$phostname" in
- sed*)
- echo "(That doesn't agree with your whoami.h file, by the way.)"
- ;;
- *)
- echo "(That doesn't agree with your $phostname command, by the way.)"
- ;;
- esac
- ;;
- esac
- ;;
-esac
-
https://perl5.git.perl.org / metaconfig.git / blobdiff