add ssh-wrapper + userkeys config for buildd rsync uploads

[dsa-puppet.git] / modules / roles / files / ssh_upload / rsync-ssh-wrap

diff --git a/modules/roles/files/ssh_upload/rsync-ssh-wrap b/modules/roles/files/ssh_upload/rsync-ssh-wrap
new file mode 100755 (executable)
index 0000000..8f3e8d8
--- /dev/null
+++ b/modules/roles/files/ssh_upload/rsync-ssh-wrap
@@ -0,0 +1,109 @@
+#!/bin/bash
+
+# Copyright (c) 2009, 2010, 2012 Peter Palfrader
+# Copyright (c) 2015 Aurelien Jarno
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+set -e
+set -u
+
+MYLOGNAME="`basename "$0"`[$$]"
+RSYNCDIR="/srv/upload.debian.org/UploadQueue/"
+
+usage() {
+       echo "local Usage: $0 <host>"
+       echo "via ssh orig command: rsync <stuff>"
+}
+
+one_more_arg() {
+       if [ "$#" -lt 1 ]; then
+               usage >&2
+               exit 1
+       fi
+}
+
+info() {
+       logger -p daemon.info -t "$MYLOGNAME" "$1"
+}
+
+croak() {
+       logger -s -p daemon.warn -t "$MYLOGNAME" "$1"
+       exit 1
+}
+
+do_rsync() {
+       local remote_host="$1"
+       shift
+
+       local allowed_rsyncs
+       allowed_rsyncs=()
+
+       if [ -d "$RSYNCDIR" ]; then
+               allowed_rsyncs+=("--server -vlogDtprxze.iLsf --partial . $RSYNCDIR") # wheezy
+               allowed_rsyncs+=("--server -vlogDtprxze.iLsfx --partial . $RSYNCDIR") # jessie
+       fi
+       for cmd_idx in ${!allowed_rsyncs[*]}; do
+               allowed="${allowed_rsyncs[$cmd_idx]}"
+               if [ "$*" = "$allowed" ]; then
+                       info "Running for host $remote_host: rsync $*"
+                       exec rsync "$@"
+                       croak "Exec failed"
+               fi
+       done
+
+       info "NOT allowed for $remote_host: rsync $*"
+       echo >&2 "This rsync command ($@) not allowed."
+       exit 1
+}
+
+if [ "${1:-}" = "-h" ] || [ "${1:-}" = "--help" ]; then
+       usage
+       exit 0
+fi
+
+one_more_arg "$@"
+remote_host="$1"
+shift
+
+
+# check/parse remote command line
+if [ -z "${SSH_ORIGINAL_COMMAND:-}" ] ; then
+       croak "Did not find SSH_ORIGINAL_COMMAND"
+fi
+set "dummy" ${SSH_ORIGINAL_COMMAND}
+shift
+
+info "host $remote_host called with $*"
+
+one_more_arg "$@"
+action="$1"
+shift
+
+case "$action" in
+       # rsync command to upload packages
+       rsync)
+               do_rsync "$remote_host" "$@"
+               ;;
+       # just ignore any other commands (e.g. chmod)
+       *)
+               info "Ignored operation '$action'"
+               ;;
+esac