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#!/bin/sh
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# Return the uid of the process being run. If we cannot
# determine what it is, return '?'.
#
# Initially written by Jim Jagielski for the Apache configuration mechanism
# First we try 'id'
if `./src/helpers/PrintPath -s id` ; then
AP_IDPATH=`./src/helpers/PrintPath id`
# See if it's a POSIX 'id'
if `$AP_IDPATH -u >/dev/null 2>&1` ; then
AP_RETVAL=`$AP_IDPATH -u`
echo $AP_RETVAL
exit 0
else
AP_RETVAL=`$AP_IDPATH | \
sed -e 's/^.*uid[ ]*=[ ]*[^0123456789]*//' | \
sed -e 's/[ ]*(.*$//'`
echo $AP_RETVAL
exit 0
fi
fi
#
# Ugg. Now we have to grab the login name of the process, and
# scan /etc/passwd.
#
# Try 'whoami' first, then 'who am i' (making sure to strip away
# the who crud) and finally just copy $LOGNAME
#
if `./src/helpers/PrintPath -s whoami` ; then
AP_WAIPATH=`./src/helpers/PrintPath whoami`
AP_LOGNAME=`$AP_WAIPATH`
else
AP_LOGNAME=`who am i | tail -1 | sed -e 's/[ ][ ]*.*$//'`
fi
#
# See if we have a valid login name.
#
if [ "x$AP_LOGNAME" = "x" ]; then
AP_LOGNAME=$LOGNAME
if [ "x$AP_LOGNAME" = "x" ]; then
echo "?"
exit 1
fi
fi
#
# Ok, now we scan through /etc/passwd
#
AP_RETVAL=`egrep \^${AP_LOGNAME}: /etc/passwd | \
sed -e 's/[^:]*:[^:]*://' | \
sed -e 's/:.*$//'`
if [ "x$AP_RETVAL" = "x" ]; then
echo "?"
exit 1
else
echo $AP_RETVAL
exit 0
fi
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