On Wed, Dec 04, 2013 at 05:25:48PM +0100, Sumit Bose wrote:
> On Tue, Dec 03, 2013 at 03:49:56PM +0100, Jakub Hrozek wrote:
> > On Fri, Nov 29, 2013 at 12:11:03PM +0100, Jakub Hrozek wrote:
> > > On Fri, Nov 29, 2013 at 12:06:37PM +0100, Sumit Bose wrote:
> > > > On Thu, Nov 28, 2013 at 04:02:21PM +0100, Jakub Hrozek wrote:
> > > > > Please see the simple attached patch. To reproduce, start sssd in
> > > > > offline mode and attempt to authenticate as subdomain user.
> > > > 
> > > > The patch is working as expected. I wonder if it would be better to call
> > > > sysdb_update_subdomains() during the initialization of the subdomain
> > > > target?
> > > 
> > > I think you're right, that would protect against any other error as
> > > well. I'll prepare a new version, thanks for the review.
> > 
> > Attached is a new patch. I also filed a ticked, because I suspect we'll
> > want to have the same fix in downstream distributions as well.
> 
> thanks, offline auth is still working with the new version. I just have
> one comment in-line.
> 
> > From 2df203315bc31bab5763d2971928ea94057d1c82 Mon Sep 17 00:00:00 2001
> > From: Jakub Hrozek <[email protected]>
> > Date: Tue, 3 Dec 2013 15:25:25 +0100
> > Subject: [PATCH] SUBDOMAINS: Reuse cached results if DP is offline
> > 
> > If Data Provider was unable to refresh the subdomain list, the
> > sss_domain_info->subdomains list was NULL. Which meant that no DP
> > request matched any known domain and hence offline authentication was
> > not working correctly.
> > 
> > Resolves:
> > https://fedorahosted.org/sssd/ticket/2168
> > ---
> >  src/providers/ad/ad_subdomains.c   | 6 ++++++
> >  src/providers/ipa/ipa_subdomains.c | 6 ++++++
> >  2 files changed, 12 insertions(+)
> > 
> > diff --git a/src/providers/ad/ad_subdomains.c 
> > b/src/providers/ad/ad_subdomains.c
> > index 
> > 73190faa1e7e995123f12e2200ab00fb40f3b256..282875ad38f3d0d3f4b6a3026fa2461f9af6da1f
> >  100644
> > --- a/src/providers/ad/ad_subdomains.c
> > +++ b/src/providers/ad/ad_subdomains.c
> > @@ -652,5 +652,11 @@ int ad_subdom_init(struct be_ctx *be_ctx,
> >          return EFAULT;
> >      }
> >  
> > +    ret = sysdb_update_subdomains(be_ctx->domain);
> > +    if (ret != EOK) {
> > +        DEBUG(SSSDBG_OP_FAILURE, ("sysdb_update_subdomains failed.\n"));
> > +        return ret;
> 
> Since this is only needed if sssd starts offline I wonder if we should
> fail here or, or if it would be better to just print a more detailed log
> message at a more important log level explaining what might happen
> and continue?
> 
> > +    }
> > +
> >      return EOK;
> >  }
> > diff --git a/src/providers/ipa/ipa_subdomains.c 
> > b/src/providers/ipa/ipa_subdomains.c
> > index 
> > 4f7627eddb9c54d68e45be876157057f3c30b422..cc0b5394bb8620abb6da148753c46d38a2eab3fe
> >  100644
> > --- a/src/providers/ipa/ipa_subdomains.c
> > +++ b/src/providers/ipa/ipa_subdomains.c
> > @@ -1291,6 +1291,12 @@ int ipa_subdom_init(struct be_ctx *be_ctx,
> >          DEBUG(SSSDBG_MINOR_FAILURE, ("Failed to add subdom offline 
> > callback"));
> >      }
> >  
> > +    ret = sysdb_update_subdomains(be_ctx->domain);
> > +    if (ret != EOK) {
> > +        DEBUG(SSSDBG_OP_FAILURE, ("sysdb_update_subdomains failed.\n"));
> > +        return ret;
> 
> same here
> 
> bye,
> Sumit

Good idea, see attached patch. I also removed one FIXME since we do what
the FIXME describes now.
>From 733083e27cb81c4f41c38b8c80b9fc59da174f1a Mon Sep 17 00:00:00 2001
From: Jakub Hrozek <[email protected]>
Date: Tue, 3 Dec 2013 15:25:25 +0100
Subject: [PATCH] SUBDOMAINS: Reuse cached results if DP is offline

If Data Provider was unable to refresh the subdomain list, the
sss_domain_info->subdomains list was NULL. Which meant that no DP
request matched any known domain and hence offline authentication was
not working correctly.

Resolves:
https://fedorahosted.org/sssd/ticket/2168
---
 src/providers/ad/ad_subdomains.c   | 6 ++++++
 src/providers/ipa/ipa_subdomains.c | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/providers/ad/ad_subdomains.c b/src/providers/ad/ad_subdomains.c
index 
73190faa1e7e995123f12e2200ab00fb40f3b256..282875ad38f3d0d3f4b6a3026fa2461f9af6da1f
 100644
--- a/src/providers/ad/ad_subdomains.c
+++ b/src/providers/ad/ad_subdomains.c
@@ -652,5 +652,11 @@ int ad_subdom_init(struct be_ctx *be_ctx,
         return EFAULT;
     }
 
+    ret = sysdb_update_subdomains(be_ctx->domain);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_OP_FAILURE, ("sysdb_update_subdomains failed.\n"));
+        return ret;
+    }
+
     return EOK;
 }
diff --git a/src/providers/ipa/ipa_subdomains.c 
b/src/providers/ipa/ipa_subdomains.c
index 
4f7627eddb9c54d68e45be876157057f3c30b422..cc0b5394bb8620abb6da148753c46d38a2eab3fe
 100644
--- a/src/providers/ipa/ipa_subdomains.c
+++ b/src/providers/ipa/ipa_subdomains.c
@@ -1291,6 +1291,12 @@ int ipa_subdom_init(struct be_ctx *be_ctx,
         DEBUG(SSSDBG_MINOR_FAILURE, ("Failed to add subdom offline callback"));
     }
 
+    ret = sysdb_update_subdomains(be_ctx->domain);
+    if (ret != EOK) {
+        DEBUG(SSSDBG_OP_FAILURE, ("sysdb_update_subdomains failed.\n"));
+        return ret;
+    }
+
     return EOK;
 }
 
-- 
1.8.4.2

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