This file is indexed.

/usr/bin/gsmsmsrequeue is in gsm-utils 1.10-13.2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#! /bin/bash
#
# /usr/bin/gsmsmsrequeue: Re-queues failed SMS
#
# written by Matthias Goebl <matthias@goebl.net>

SPOOLDIR=/var/spool/sms
PRIORITIES=3
SMSADMIN=root
SUBJECT="SMS delivery report:"

send_notify()
{
  tmpfile="$SPOOLDIR/tmp/"`basename "$1"`
  status="$2"
  if mv "$1" "$tmpfile" 2>/dev/null; then
    # extract the first tab-separated field after the phone number as
    # email-address to send the notification to
    mailto=` cat "$tmpfile" | sed -ne '1s/^[^	]*	\([^	]*\).*/\1/p' `
    test -z "$mailto" && mailto="$SMSADMIN"
    cat "$tmpfile" | mail -s "$SUBJECT $status" "$mailto"
    rm "$tmpfile"
  fi
}
do_accounting()
{
  true;
}

test -r /etc/default/gsm-utils && . /etc/default/gsm-utils

for p in `seq 1 $PRIORITIES`; do
  ls "$SPOOLDIR/failed$p" | while read file; do
    if expr "$file" : ".*rrrrrrrrrrrr" >/dev/null; then
      send_notify "$SPOOLDIR/failed$p/$file" "failed"
    else
      # re-queue SMS
      mv "$SPOOLDIR/failed$p/$file" "$SPOOLDIR/queue$p/${file}r" 2>/dev/null
    fi
  done
done

for p in `seq 1 $PRIORITIES`; do
  ls "$SPOOLDIR/sent$p" | while read file; do
    do_accounting "$SPOOLDIR/sent$p/$file" "sent"
    send_notify "$SPOOLDIR/sent$p/$file" "sent"
  done
done