Date: Thu, 16 Aug 2018 13:18:40 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r337904 - in head: lib/libc/resolv share/man/man5 Message-ID: <201808161318.w7GDIesD076962@repo.freebsd.org>
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Author: bz Date: Thu Aug 16 13:18:40 2018 New Revision: 337904 URL: https://svnweb.freebsd.org/changeset/base/337904 Log: Allow the use of TCP instead of UDP for queries by setting options usevc in resolv.conf which sets RES_USEVC. Reviewed by: ume MFC after: 17 days Differential Revision: https://reviews.freebsd.org/D16607 Modified: head/lib/libc/resolv/res_init.c head/share/man/man5/resolver.5 Modified: head/lib/libc/resolv/res_init.c ============================================================================== --- head/lib/libc/resolv/res_init.c Thu Aug 16 10:00:51 2018 (r337903) +++ head/lib/libc/resolv/res_init.c Thu Aug 16 13:18:40 2018 (r337904) @@ -679,6 +679,8 @@ res_setoptions(res_state statp, const char *options, c statp->options |= RES_INSECURE2; } else if (!strncmp(cp, "rotate", sizeof("rotate") - 1)) { statp->options |= RES_ROTATE; + } else if (!strncmp(cp, "usevc", sizeof("usevc") - 1)) { + statp->options |= RES_USEVC; } else if (!strncmp(cp, "no-check-names", sizeof("no-check-names") - 1)) { statp->options |= RES_NOCHECKNAME; Modified: head/share/man/man5/resolver.5 ============================================================================== --- head/share/man/man5/resolver.5 Thu Aug 16 10:00:51 2018 (r337903) +++ head/share/man/man5/resolver.5 Thu Aug 16 13:18:40 2018 (r337904) @@ -28,7 +28,7 @@ .\" @(#)resolver.5 8.1 (Berkeley) 6/5/93 .\" $FreeBSD$ .\" -.Dd October 12, 2015 +.Dd August 16, 2018 .Dt RESOLVER 5 .Os .Sh NAME @@ -127,6 +127,10 @@ is one of the following: sets .Dv RES_DEBUG in _res.options. +.It Sy usevc +sets +.Dv RES_USEVC +to use TCP instead of UDP for queries. .It Sy ndots: Ns Ar n sets a threshold for the number of dots which must appear in a name given to .Fn res_query
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