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ssh_filter_btrbk.sh: adaptions, use mbuffer for rate_limit

pull/293/head
Axel Burri 2019-07-30 21:50:52 +02:00
parent c9fb366d09
commit 8d0d7edda7
1 changed files with 12 additions and 13 deletions
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25
ssh_filter_btrbk.sh
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@ -61,29 +61,28 @@ reject_filtered_cmd()
fi
if [[ -n "$allow_compress" ]]; then
decompress_match="((${compress_list}) -d -c( -[pT][0-9]+)? \| )?"
compress_match="( \| (${compress_list}) -c( -[0-9])?( -[pT][0-9]+)?)?"
decompress_match="(${compress_list}) -d -c( -[pT][0-9]+)?"
compress_match="(${compress_list}) -c( -[0-9])?( -[pT][0-9]+)?"
else
decompress_match=
compress_match=
fi
if [[ -n "$allow_stream_buffer" ]]; then
stream_buffer_match="(mbuffer -q -m [0-9]+[kmg]? \| )?"
# rate_limit_remote and stream_buffer_remote use combined
# "mbuffer" as of btrbk-0.29.0
if [[ -n "$allow_stream_buffer" ]] || [[ -n "$allow_rate_limit" ]]; then
mbuffer_match="mbuffer -v 1 -q( -s [0-9]+[kmgKMG]?)?( -m [0-9]+[kmgKMG]?)?( -[rR] [0-9]+[kmgtKMGT]?)?"
else
stream_buffer_match=
fi
if [[ -n "$allow_rate_limit" ]]; then
rate_limit_match="( \| pv -q -L [0-9]+[kmgt]?)?"
else
rate_limit_match=
mbuffer_match=
fi
# allow multiple paths (e.g. "btrfs subvolume snapshot <src> <dst>")
btrfs_cmd_match="^${decompress_match}${stream_buffer_match}(${allow_list})( ${option_match})*( ${path_match})+${compress_match}${rate_limit_match}$"
allow_cmd_match="(${allow_list})( ${option_match})*( ${path_match})+"
stream_in_match="(${decompress_match} \| )?(${mbuffer_match} \| )?"
stream_out_match="( \| ${mbuffer_match})?( \| ${compress_match}$)?"
if [[ $SSH_ORIGINAL_COMMAND =~ $btrfs_cmd_match ]] ; then
allow_stream_match="^${stream_in_match}${allow_cmd_match}${stream_out_match}"
if [[ $SSH_ORIGINAL_COMMAND =~ $allow_stream_match ]] ; then
return 0
fi