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#
# Common apache code
# (sourced by apache)
#
# Author: Alan Robertson
# Sun Jiang Dong
#
# Support: users@clusterlabs.org
#
# License: GNU General Public License (GPL)
#
# Copyright: (C) 2002-2005 International Business Machines
#
source_envfiles() {
for f; do
[ -f "$f" -a -r "$f" ] &&
. "$f"
done
}
apachecat() {
awk '
function procline() {
split($0,a);
if( a[1]~/^[Ii]nclude$/ ) {
includedir=a[2];
gsub("\"","",includedir);
procinclude(includedir);
} else {
if( a[1]=="ServerRoot" ) {
rootdir=a[2];
gsub("\"","",rootdir);
}
print;
}
}
function printfile(infile, a) {
while( (getline<infile) > 0 ) {
procline();
}
close(infile);
}
function allfiles(dir, cmd,f) {
cmd="find -L "dir" -type f";
while( ( cmd | getline f ) > 0 ) {
printfile(f);
}
close(cmd);
}
function listfiles(pattern, cmd,f) {
cmd="ls "pattern" 2>/dev/null";
while( ( cmd | getline f ) > 0 ) {
printfile(f);
}
close(cmd);
}
function procinclude(spec) {
if( rootdir!="" && spec!~/^\// ) {
spec=rootdir"/"spec;
}
if( isdir(spec) ) {
allfiles(spec); # read all files in a directory (and subdirs)
} else {
listfiles(spec); # there could be jokers
}
}
function isdir(s) {
return !system("test -d \""s"\"");
}
{ procline(); }
' $1 |
sed 's/#.*//;s/[[:blank:]]*$//;s/^[[:blank:]]*//' |
grep -v '^$'
}
#
# set parameters (as shell vars) from our apache config file
#
get_apache_params() {
configfile=$1
shift 1
vars=$(echo "$@" | sed 's/ /,/g')
eval `
apachecat $configfile | awk -v vars="$vars" '
BEGIN{
split(vars,v,",");
for( i in v )
vl[i]=tolower(v[i]);
}
{
for( i in v )
if( tolower($1)==vl[i] ) {
print v[i]"="$2
delete vl[i]
break
}
}
'`
}
#
# Return the location(s) that are handled by the given handler
#
FindLocationForHandler() {
PerlScript='while (<>) {
/<Location "?([^ >"]+)/i && ($loc=$1);
'"/SetHandler +$2"'/i && print "$loc\n";
}'
apachecat $1 | perl -e "$PerlScript"
}
#
# Check if the port is valid
#
CheckPort() {
ocf_is_decimal "$1" && [ $1 -gt 0 ]
}
buildlocalurl() {
[ "x$Listen" != "x" ] &&
echo "http://${Listen}" ||
echo "${LOCALHOST}:${PORT}"
}
# the test url may need a local prefix (as specified in the
# apache Listen directive)
fixtesturl() {
echo $test_url | grep -qs "^http" && return
test_url="`buildlocalurl`$test_url"
}
#
# Get all the parameters we need from the Apache config file
#
GetParams() {
ConfigFile=$1
if [ ! -f $ConfigFile ]; then
return $OCF_ERR_INSTALLED
fi
get_apache_params $ConfigFile ServerRoot PidFile Port Listen
case $PidFile in
/*) ;;
[[:alnum:]]*) PidFile=$ServerRoot/$PidFile;;
*)
# If the PidFile is not set in the config, set
# a default location.
PidFile=$HA_VARRUNDIR/${httpd_basename}-${OCF_RESOURCE_INSTANCE}.pid
# Force the daemon to use this location by using
# the -c option, which adds the PidFile directive
# as if it was in the configuration file to begin with.
PIDFILE_DIRECTIVE="true"
;;
esac
for p in "$PORT" "$Port" 80; do
if CheckPort "$p"; then
PORT="$p"
break
fi
done
echo $Listen | grep ':' >/dev/null || # Listen could be just port spec
Listen="localhost:$Listen"
#
# It's difficult to figure out whether the server supports
# the status operation.
# (we start our server with -DSTATUS - just in case :-))
#
# Typically (but not necessarily) the status URL is /server-status
#
# For us to think status will work, we have to have the following things:
#
# - The server-status handler has to be mapped to some URL somewhere
#
# We assume that:
#
# - the "main" web server at $PORT will also support it if we can find it
# somewhere in the file
# - it will be supported at the same URL as the one we find in the file
#
# If this doesn't work for you, then set the statusurl attribute.
#
if
[ "X$STATUSURL" = "X" ]
then
StatusURL=`FindLocationForHandler $1 server-status | tail -1`
STATUSURL="`buildlocalurl`$StatusURL"
fi
if ! test "$PidFile"; then
return $OCF_ERR_INSTALLED
else
return $OCF_SUCCESS
fi
}

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