FM / support

/usr/share/doc/rsync/support

Name	Size	Mode	Actions
atomic-rsync	5190	0644	edit dl rm
cvs2includes	1216	0644	edit dl rm
deny-rsync	1005	0644	edit dl rm
file-attr-restore	4936	0644	edit dl rm
files-to-excludes	538	0644	edit dl rm
git-set-file-times	3902	0644	edit dl rm
instant-rsyncd	2791	0644	edit dl rm
logfilter	1104	0644	edit dl rm
lsh	3102	0644	edit dl rm
lsh.sh	1108	0644	edit dl rm
Makefile	80	0644	edit dl rm
mapfrom	633	0644	edit dl rm
mapto	625	0644	edit dl rm
mnt-excl	1848	0644	edit dl rm
munge-symlinks	2617	0644	edit dl rm
nameconvert	1527	0644	edit dl rm
rrsync	12617	0644	edit dl rm
rrsync.1.md	4383	0644	edit dl rm
rsync-no-vanished	593	0644	edit dl rm
rsync-slash-strip	769	0644	edit dl rm
rsyncstats	8691	0644	edit dl rm
savetransfer.c	4560	0644	edit dl rm

Edit: /usr/share/doc/rsync/support/deny-rsync (1005B)

#!/usr/bin/env bash
# Send an error message via the rsync-protocol to a non-daemon client rsync.
#
# Usage:  deny-rsync "message"

protocol_version=29
exit_code=4 # same as a daemon that refuses an option

# e.g. byte_escape 29 => \035
function byte_escape {
    echo -ne "\\0$(printf "%o" $1)"
}

msg="$1"
if [ "${#msg}" -gt 254 ]; then
    # truncate a message that is too long for this naive script to handle
    msg="${msg:0:251}..."
fi
msglen=$(( ${#msg} + 1 )) # add 1 for the newline we append below

# Send protocol version.  All numbers are LSB-first 4-byte ints.
echo -ne "$(byte_escape $protocol_version)\\000\\000\\000"

# Send a zero checksum seed.
echo -ne "\\000\\000\\000\\000"

# The following is equivalent to rprintf(FERROR_XFER, "%s\n", $msg).
# 1. Message header: ((MPLEX_BASE + FERROR_XFER) << 24) + $msglen.
echo -ne "$(byte_escape $msglen)\\000\\000\\010"
# 2. The actual data.
echo -E "$msg"

# Make sure the client gets our message, not a write failure.
sleep 1

exit $exit_code

#!/usr/bin/env bash # Send an error message via the rsync-protocol to a non-daemon client rsync. # # Usage: deny-rsync "message" protocol_version=29 exit_code=4 # same as a daemon that refuses an option # e.g. byte_escape 29 => \035 function byte_escape { echo -ne "\\0$(printf "%o" $1)" } msg="$1" if [ "${#msg}" -gt 254 ]; then # truncate a message that is too long for this naive script to handle msg="${msg:0:251}..." fi msglen=$(( ${#msg} + 1 )) # add 1 for the newline we append below # Send protocol version. All numbers are LSB-first 4-byte ints. echo -ne "$(byte_escape $protocol_version)\\000\\000\\000" # Send a zero checksum seed. echo -ne "\\000\\000\\000\\000" # The following is equivalent to rprintf(FERROR_XFER, "%s\n", $msg). # 1. Message header: ((MPLEX_BASE + FERROR_XFER) << 24) + $msglen. echo -ne "$(byte_escape $msglen)\\000\\000\\010" # 2. The actual data. echo -E "$msg" # Make sure the client gets our message, not a write failure. sleep 1 exit $exit_code