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Always use blocking DNS for resolving bind hosts

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This fixes a bug where ZNC failed to bind to domain names if they weren't
mentioned in /etc/hosts.

Thanks to alturiak for finding and reporting this.
Thanks to Imaginos for finding a quick workaround.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1673 726aef4b-f618-498e-8847-2d620e286838
This commit is contained in:
psychon
2009-12-10 21:29:47 +00:00
parent 10fbcb92a2
commit 3fd82a600c
1 changed files with 3 additions and 1 deletions
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4
Csocket.cpp
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@@ -857,7 +857,9 @@ bool Csock::Listen( u_short iPort, int iMaxConns, const CS_STRING & sBindHost, u
m_sBindHost = sBindHost;
if ( !sBindHost.empty() )
{
if( GetAddrInfo( sBindHost, m_address ) != 0 )
// forcing this to block regardless of resolver overloading, because listen is not currently setup to
// to handle nonblocking operations. This is used to resolve local ip's for binding anyways and should be instant
if( ::GetAddrInfo( sBindHost, this, m_address ) != 0 )
return( false );
}