"Unable to validate certificate"

Dave Warren dw at thedave.ca
Wed Jan 10 13:16:29 EST 2018


Is there any particular reason that pidgin doesn't use the existing 
Windows certificate store? This would seem to alleviate the need to 
juggle with certificates manually.

Or did I miss part of the plot here?

On 2018-01-07 13:36, Eion Robb wrote:
> https://textslashplain.com/2017/10/23/google-internet-authority-g3/ has 
> some info about the new Root CA and Intermediate CA certs that Google 
> are rolling out.  On Pidgin on Windows we don't include the new "Google 
> Trust Services" ca-cert, so it'll keep bugging you about it
> 
> On 7 January 2018 at 04:52, Phil Smith III <phs3stuff at cox.net 
> <mailto:phs3stuff at cox.net>> wrote:
> 
>     And they came back in the evening, though they're gone again now.
>     Very weird. Well, maybe not: if it's ONE server, maybe load is
>     higher in the evening, so that server gets pressed into action, goes
>     idle eventually? If there's some sort of client-server persistence,
>     then that might continue until that server goes idle again and gets
>     dropped from the cluster. Of course I'm making this up as I go
>     along, but it does fit the symptoms...
> 
>     -----Original Message-----
>     From: pidgin at alexoren.com <mailto:pidgin at alexoren.com>
>     [mailto:pidgin at alexoren.com <mailto:pidgin at alexoren.com>]
>     Sent: Friday, January 05, 2018 5:27 PM
>     To: Phil Smith III <phs3stuff at cox.net <mailto:phs3stuff at cox.net>>;
>     Pidgin <support at pidgin.im <mailto:support at pidgin.im>>
>     Subject: Re: "Unable to validate certificate"
> 
>     I am still getting those popups.
> 
>     Why wouldn't Pidgin remember the accepted certificate?
> 
>     On 05/01/2018 10:04 PM, Phil Smith III wrote:
>      > Saw that, but it *seems* slightly different.
>      >
>      > Weirdly, after getting them all evening and night (based on the
>     number of popups I had to close!), I got a few throughout the
>     morning and then they stopped. So maybe it really was a Google
>     problem--maybe one server behind a LB with a bad cert?
>      >
>      > -----Original Message-----
>      > From: pidgin at alexoren.com <mailto:pidgin at alexoren.com>
>     [mailto:pidgin at alexoren.com <mailto:pidgin at alexoren.com>]
>      > Sent: Friday, January 05, 2018 2:57 PM
>      > To: phs3stuff <phs3stuff at cox.net <mailto:phs3stuff at cox.net>>;
>     support at pidgin.im <mailto:support at pidgin.im>
>      > Subject: Re: "Unable to validate certificate"
>      >
>      > Similar issue here:
>      >
>      >       The certificate for 0.client-channel.google.com
>     <http://0.client-channel.google.com> could not be validated.
>      >       The certificate is not trusted because no certificate that
>     can verify it is currently trusted.
>      >
>      > There's an issue on Bitbucket:
>      >
>     https://bitbucket.org/EionRobb/purple-hangouts/issues/168/certificate-issues
>     <https://bitbucket.org/EionRobb/purple-hangouts/issues/168/certificate-issues>
>      >
>      >
>      > On 05/01/2018 3:48 PM, phs3stuff wrote:
>      >> After running flawlessly for a while, I'm suddenly getting:
>      >>
>      >> Unable to validate certificate
>      >>
>      >> The certificate for clients6.google.com
>     <http://clients6.google.com> could not be validated. The certificate
>     chain presented is invalid.
>      >>
>      >> This happens repeatedly at random intervals. Sometimes I get
>     several of these dialogs at once, sometimes just one.
>      >>
>      >> I know what an invalid certificate chain is, just not what to do
>     about it for this. Seems like the server is presenting the invalid
>     chain, which I can't really fix anyway, eh?
>      >>
>      >> Ideas?
>      >>
>      >> Windows 7, fully patched; Help/About says:
>      >> Pidgin 2.12.0 (libpurple 2.12.0)
>      >> Unknown
>      >>
>      >> (what's the "Unknown" about??)
>      >> And I'm using the Hangouts plugin.
>      >
>      >
> 
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