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Groups > gnu.bash.bug > #14713
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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: bash sockets: printf \x0a does TCP fragmentation |
| Date | Thu, 11 Oct 2018 15:11:53 -0400 |
| Lines | 20 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.2033.1539285126.1284.bug-bash@gnu.org> (permalink) |
| References | <20180922231240358868037@bob.proulx.com> <20180922111950901701520@bob.proulx.com> <c6de6616-dda0-570d-de56-419e7676be8a@cbii-hh.de> <20180921231101307758654@bob.proulx.com> <714e1ba0-0052-2f2b-676d-778f2b7129c1@testssl.sh> <7769.1537667711@jinx.noi.kre.to> <24434.1537694402@jinx.noi.kre.to> <20180923114607811266911@bob.proulx.com> <151ee01d-66a5-b315-9688-bd1e28b7c587@testssl.sh> |
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| To | Dirk Wetter <dirk+bash@testssl.sh>, bug-bash@gnu.org |
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On 10/11/18 12:53 PM, Dirk Wetter wrote: > This all -- including cat -- sounded reasonable. But it seems using sockets the internal printf > as opposed to the one from coreutils is still causing fragmentation other than expected with > strace PoC: Bash line-buffers stdout, so newlines cause writes and packet fragmentation. http://lists.gnu.org/archive/html/bug-bash/2018-09/msg00086.html http://lists.gnu.org/archive/html/bug-bash/2018-09/msg00095.html http://lists.gnu.org/archive/html/bug-bash/2018-09/msg00102.html http://lists.gnu.org/archive/html/bug-bash/2018-09/msg00118.html Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
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Re: bash sockets: printf \x0a does TCP fragmentation Chet Ramey <chet.ramey@case.edu> - 2018-10-11 15:11 -0400
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