On 2 November 2015 at 15:33, Jakob Bohm <jb-openssl at wisemo.com> wrote: > On 02/11/2015 16:13, Richard Moore wrote: > > There have always been special commands making s_client unsuitable for > this usage - for example R followed by a newline will renegotiate, and Q > will quit. According to the docs these can be disabled by -quiet > and -ign_eof though I've never tested that myself. > > Could you point me to where this (non-obvious) relationship > between options ostensibly doing something else and the > desired effect is documented? The 1.0.1* man-page of s_server > certainly doesn't say that. > > ?It's documented in the s_client man page, but I don't see it in s_server (though the commands are listed and it has a few more than s_client). Perhaps there is no way to disable them on s_server - I'd have to check the code. Cheers Rich.? > > On 2 November 2015 at 13:37, Jakob Bohm <jb-openssl at wisemo.com> wrote: > >> As with most other "apps" in the openssl binary, the s_server >> and s_client commands are useful for multiple purposes: >> >> 1. As debug tools >> >> 2. As a way to do one-off operations without writing any >> code. >> >> 3. As back ends for small programs written in scripting >> languages that cannot really call the OpenSSL library >> directly. >> >> This is about the latter two uses of s_server and s_client to >> set up a one-off or scripted secure pipe between two machines. >> >> Unfortunately, the current (1.0.2) version of s_server will >> do special and problematic things when encountering some >> 3-byte sequences (such as "\nq\n") in the data stream. >> >> It would thus be useful for s_server (and if applicable >> s_client) to accept the "-binary" option (already provided >> by the cms/smime commands), to turn off this behavior and >> provide a clean data pass through to/from the other end. >> In "-binary" mode, no byte value or sequence of byte value >> is special, except that explicit use of the "-crlf" option >> still works. >> >> > > Enjoy > > Jakob > -- > Jakob Bohm, CIO, Partner, WiseMo A/S. http://www.wisemo.com > Transformervej 29, 2860 S?borg, Denmark. Direct +45 31 13 16 10 > This public discussion message is non-binding and may contain errors. > WiseMo - Remote Service Management for PCs, Phones and Embedded > > > _______________________________________________ > openssl-users mailing list > To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mta.openssl.org/pipermail/openssl-users/attachments/20151102/88a2e974/attachment-0001.html>
