/usr/sbin/aideinit is in aide-common 0.16-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | #!/bin/sh
#
# $Id$
# Copyright 2003 Mike Markley <mike@markley.org>
# This script is free for any purpose whatseoever so long as the above
# copyright notice remains in place.
if [ -f /etc/default/aide ]; then
	. /etc/default/aide
fi
# Defaults
MAILTO="${MAILTO:-root}"
# Options
opt_f=0
opt_y=0
opt_c=0
opt_b=0
defaultconfig="/var/lib/aide/aide.conf.autogenerated"
if ! [ -f "/usr/bin/aide" ] && ! [ -f "/usr/sbin/aide" ]; then
  echo >&2 "no /usr/bin/aide found, check your dependencies"
  exit 1
fi
aideinit_usage() {
	echo "Usage: $0 [options] -- [aide options]"
	echo "  -y|--yes         Overwrite output file"
	echo "  -f|--force       Force overwrite of database"
	echo "  -c|--config      Specify alternate config file"
	echo "  -o|--output      Specify alternate output file"
	echo "  -d|--database    Specify alternate database file"
	echo "  -b|--background  Run in the background"
}
while [ -n "$1" ]; do
	case "$1" in
	    -h|--help)
		aideinit_usage
		exit 0
		;;
	    -f|--force)
		opt_f=1
		shift
		;;
	    -y|--yes)
		opt_y=1
		shift
		;;
	    -b|--background)
		opt_b=1
		shift
		;;
	    -o|--output)
		shift
		[ -z "$1" ] && aideinit_usage && exit 1
		outfile=$1
		shift
		;;
	    -d|--database)
		shift
		[ -z "$1" ] && aideinit_usage && exit 1
		dbfile=$1
		shift
		;;
	    -c|--config)
		opt_c=1
		shift
		[ -z "$1" ] && aideinit_usage && exit 1
		config=$1
		shift
		;;
	    --)
	    	shift
		break 2
		;;
	    *)
		echo "Unknown option $1 (use -- to delimit aideinit and aide options)"
		exit
		;;
	esac
done
if [ -z "$config" ]; then
	update-aide.conf
fi
config=${config:-$defaultconfig}
if [ ! -f "$config" ]; then
	echo "$0: $config: file not found"
	exit 1
fi
if [ -z "$outfile" ]; then
	outfile=$(egrep "^[[:space:]]*database_out=file:" $config | cut -d: -f2)
	[ -z "$outfile" ] && outfile="/var/lib/aide/aide.db.new"
fi
if [ -z "$dbfile" ]; then
	dbfile=$(egrep "^[[:space:]]*database=file:" $config | cut -d: -f2)
	[ -z "$dbfile" ] && dbfile="/var/lib/aide/aide.db"
fi
if [ -f $outfile ]; then
	if [ $opt_y -eq 0 ]; then
		echo -n "Overwrite existing $outfile [Yn]? "
		read yn
		case "$yn" in
		    [Nn]*)
			exit 0
			;;
		esac
	fi
fi
extraflags=""
if [ $opt_b -eq 1 ]; then
	(aide.wrapper --init $extraflags $@ >/var/log/aide/aideinit.log 2>/var/log/aide/aideinit.errors
	RET=$?
	printf "AIDE --init return code %d" "$RET" >> /var/log/aide/aideinit.log
	if [ "$RET" != "0" ]; then
	   printf "AIDE --init return code %d" "$RET" >> /var/log/aide/aideinit.errors
	fi
	if [ -f "$dbfile" -a $opt_f -eq 0 ]; then
		echo "$dbfile exists and -f was not specified" >> /var/log/aide/aideinit.errors
	fi
	if [ "$(< /var/log/aide/aideinit.errors wc -l)" -gt 0 ]; then
		(echo "AIDE init errors:"; cat /var/log/aide/aideinit.errors) | /usr/bin/mail -s "AIDE initialization problem" $MAILTO
	else
		cp -f $outfile $dbfile
	fi) &
	exit 0
fi
# this is only reached if we run in foreground
echo "Running aide --init..."
aide.wrapper --init $extraflags $@
RET=$?
if [ "$RET" != "0" ]; then
	echo "AIDE --init return code $RET" >&2
	exit $return
fi
if [ -f "$dbfile" -a $opt_f -eq 0 ]; then
	echo -n "Overwrite $dbfile [yN]? "
	read yn
	case "$yn" in
	    [yY]*)
		cp -f $outfile $dbfile
		;;
	esac
else
	cp -f $outfile $dbfile
fi
 |