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User : georgeto

Name	Size	Permission	Date
Makefile	80 B	-rw-r--r--	2005-01-11 18:37
atomic-rsync	5.07 KB	-rw-r--r--	2021-12-30 20:29
cvs2includes	1.19 KB	-rw-r--r--	2020-06-17 01:27
deny-rsync	1005 B	-rw-r--r--	2020-06-17 01:27
file-attr-restore	4.82 KB	-rw-r--r--	2020-06-17 01:27
files-to-excludes	538 B	-rw-r--r--	2020-06-17 01:27
git-set-file-times	3.81 KB	-rw-r--r--	2022-04-11 15:57
instant-rsyncd	2.73 KB	-rw-r--r--	2020-06-17 01:27
logfilter	1.08 KB	-rw-r--r--	2020-06-17 01:27
lsh	3.03 KB	-rw-r--r--	2021-12-28 01:57
lsh.sh	1.08 KB	-rw-r--r--	2022-01-09 22:03
mapfrom	633 B	-rw-r--r--	2020-06-17 01:27
mapto	625 B	-rw-r--r--	2020-06-17 01:27
mnt-excl	1.8 KB	-rw-r--r--	2020-06-17 01:27
munge-symlinks	2.56 KB	-rw-r--r--	2021-12-21 00:41
nameconvert	1.49 KB	-rw-r--r--	2020-08-06 04:32
rrsync	12.32 KB	-rw-r--r--	2022-01-10 01:47
rrsync.1.md	4.28 KB	-rw-r--r--	2022-05-07 00:42
rsync-no-vanished	593 B	-rw-r--r--	2021-11-13 18:39
rsync-slash-strip	769 B	-rw-r--r--	2021-11-13 18:39
rsyncstats	8.49 KB	-rw-r--r--	2020-06-17 01:27
savetransfer.c	4.45 KB	-rw-r--r--	2006-12-18 07:24

Rename

#!/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