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freetds - [freetds] Patch For sspi.c To Use Windows Authentication

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  • From: ken AT metaskills.net
  • To: FreeTDS Development Group <freetds AT lists.ibiblio.org>
  • Subject: [freetds] Patch For sspi.c To Use Windows Authentication
  • Date: Mon, 29 Oct 2012 09:08:14 -0400


A user on my TinyTDS/SQLServer list reported this bug with FreeTDS. They
could not get Windows authentication to work and had to make the following
change to sspi.c

> free(auth_buf);
> // code added start
> if (status == SEC_I_COMPLETE_AND_CONTINUE || status ==
> SEC_I_CONTINUE_NEEDED) {
> if (out_buf.cbBuffer > 0)
> {
> tds_put_n(tds, auth->tds_auth.packet, out_buf.cbBuffer);
> tds_flush_packet(tds);
> return status;
> }
> }
> // code added end
> if (status != SEC_E_OK)
> return TDS_FAIL;

After that change, they got Windows authentication working and saw the
following FreeTDS debug info.

> AUTH
> ENVCHANGE
> INFO
> ENVCHANGE
> ENVCHANGE
> INFO
> LOGINACK
> ENVCHANGE
> DONE
> Finally, there is the LOGINACK and DONE tokens : )

Opinions on doing this patch?


- Ken








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