1#!/bin/sh 2 3# Generate a krb5.conf file in the current directory for testing purposes. 4# Takes one command-line argument: the default realm to use. Strips out the 5# entire [appdefaults] section to avoid picking up any local configuration and 6# sets the default realm as indicated. 7# 8# The canonical version of this file is maintained in the rra-c-util package, 9# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>. 10# 11# Written by Russ Allbery <eagle@eyrie.org> 12# Copyright 2016, 2020 Russ Allbery <eagle@eyrie.org> 13# Copyright 2006-2008, 2010-2011 14# The Board of Trustees of the Leland Stanford Junior University 15# 16# Permission is hereby granted, free of charge, to any person obtaining a copy 17# of this software and associated documentation files (the "Software"), to 18# deal in the Software without restriction, including without limitation the 19# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 20# sell copies of the Software, and to permit persons to whom the Software is 21# furnished to do so, subject to the following conditions: 22# 23# The above copyright notice and this permission notice shall be included in 24# all copies or substantial portions of the Software. 25# 26# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 27# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 28# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 29# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 30# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 31# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 32# IN THE SOFTWARE. 33# 34# SPDX-License-Identifier: MIT 35 36set -e 37 38# Load the test library. 39. "$C_TAP_SOURCE/tap/libtap.sh" 40cd "$C_TAP_BUILD" 41 42# If there is no default realm specified on the command line, we leave the 43# realm information alone. 44realm="$1" 45 46# Locate the krb5.conf file to use as a base. Prefer the one in the test 47# configuration area, if it exists. 48krb5conf=`test_file_path config/krb5.conf` 49if [ -z "$krb5conf" ] ; then 50 for p in /etc/krb5.conf /usr/local/etc/krb5.conf ; do 51 if [ -r "$p" ] ; then 52 krb5conf="$p" 53 break 54 fi 55 done 56fi 57if [ -z "$krb5conf" ] ; then 58 echo 'no krb5.conf found, see test instructions' >&2 59 exit 1 60fi 61 62# We found a krb5.conf file. Generate our munged one. 63mkdir -p tmp 64awk ' 65 BEGIN { skip = 0 } 66 /^ *\[appdefaults\]/ { skip = 1 } 67 !/^ *\[appdefaults\]/ && / *\[/ { skip = 0 } 68 69 { if (skip == 0) print } 70' "$krb5conf" > tmp/krb5.conf.tmp 71if [ -n "$realm" ] ; then 72 pattern='^[ ]*default_realm.*=' 73 if grep "$pattern" tmp/krb5.conf.tmp >/dev/null 2>/dev/null; then 74 sed -e "s/\\(default_realm.*=\\) .*/\\1 $realm/" \ 75 tmp/krb5.conf.tmp >tmp/krb5.conf 76 else 77 ( 78 cat tmp/krb5.conf.tmp 79 echo "[libdefaults]" 80 echo " default_realm = $realm" 81 ) >tmp/krb5.conf 82 fi 83 rm tmp/krb5.conf.tmp 84else 85 mv tmp/krb5.conf.tmp tmp/krb5.conf 86fi 87