Date: Thu, 18 Jun 2009 20:42:13 +0200 From: Andrea 'simplex' Zulato <simplex@twopenguins.it> To: Peter Pentchev <roam@ringlet.net> Cc: admin@aivus.name, freebsd-ports@freebsd.org, gerrit.beine@gmx.de Subject: Re: Unrealircd problems with last patch Message-ID: <4A3A8A85.7020204@twopenguins.it> In-Reply-To: <20090618141343.GB975@straylight.m.ringlet.net> References: <4A388C26.3050900@twopenguins.it> <20090617085202.GA976@straylight.m.ringlet.net> <20090618140708.GA975@straylight.m.ringlet.net> <20090618141343.GB975@straylight.m.ringlet.net>
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It worked for me.
Now irc server is up again, thanks!
Andrea
Peter Pentchev wrote:
> On Thu, Jun 18, 2009 at 05:07:08PM +0300, Peter Pentchev wrote:
>
>> On Wed, Jun 17, 2009 at 11:52:02AM +0300, Peter Pentchev wrote:
>>
>>> On Wed, Jun 17, 2009 at 08:24:38AM +0200, Andrea 'simplex' Zulato wrote:
>>>
>>>> Hi, i've upgraded c-ares and Unreal from ports but Unreal won't work.
>>>> It start without a problem but when someone try to connect to the server
>>>> it crash with a core dump error:
>>>> Jun 16 09:03:33 hazard kernel: pid 57652 (ircd), uid 0: exited on signal
>>>> 11 (core dumped)
>>>> I've tried to recompile unreal and c-ares whitout any result ("make
>>>> install" finish without problems on both ports).
>>>> If there's something that i could try, please tell me...
>>>> I'm on a FreeBSD 7.2-RELEASE-p1 #0.
>>>>
>>> Hi,
>>>
>>> I've CC'd Gerrit Beine (the actual maintainer of the irc/unreal port :)
>>> and Ilya Andreev, who reported the same problem to me yesterday.
>>>
>>> Some time ago, I sent my proposed c-ares update for testing to all
>>> the maintainers of ports that depend on c-ares directly. My patches
>>> made the ports compile, but I didn't have the proper setup to actually
>>> test them working, since I'm not quite familiar with the programs
>>> themselves. Thus, I asked the maintainers for help with testing, and
>>> after nobody replied for a week or so, I went ahead and commited the update.
>>>
>>> Now Ilya Andreev and you have both hit a problem with UnrealIRCd,
>>> and Ilya seems to have found a solution. Could you try putting
>>> the attached patch-res.c into the irc/unreal/files/ directory and
>>> rebuilding UnrealIRCd? If this patch helps, I could commit it if
>>> Gerrit Beine does not mind.
>>>
>> Actually, here's another patch from Ilya who wrote to me privately
>> to say that the previous one didn't quite work.
>>
>
> And once again, with the patch inline this time, mainly for the benefit
> of the ports@ mailing list and other poor souls who might stumble upon
> this problem.
>
> G'luck,
> Peter
>
> --- src/res.c 2006-09-19 15:45:18.000000000 +0300
> +++ src/res.c 2009-06-17 17:50:18.000000000 +0300
> @@ -48,10 +48,15 @@
>
> #include <res.h>
>
> +/* Prevent crashes due to invalid prototype/ABI */
> +#if ARES_VERSION < 0x010600
> + #error "You have an old c-ares version on your system and/or Unreals c-ares failed to compile!"
> +#endif
> +
> /* Forward declerations */
> -void unrealdns_cb_iptoname(void *arg, int status, struct hostent *he);
> -void unrealdns_cb_nametoip_verify(void *arg, int status, struct hostent *he);
> -void unrealdns_cb_nametoip_link(void *arg, int status, struct hostent *he);
> +void unrealdns_cb_iptoname(void *arg, int status, int timeouts, struct hostent *he);
> +void unrealdns_cb_nametoip_verify(void *arg, int status, int timeouts, struct hostent *he);
> +void unrealdns_cb_nametoip_link(void *arg, int status, int timeouts, struct hostent *he);
> void unrealdns_delasyncconnects(void);
> static unsigned int unrealdns_haship(void *binaryip, int length);
> static void unrealdns_addtocache(char *name, void *binaryip, int length);
> @@ -240,7 +245,7 @@
> #endif
> }
>
> -void unrealdns_cb_iptoname(void *arg, int status, struct hostent *he)
> +void unrealdns_cb_iptoname(void *arg, int status, int timeouts, struct hostent *he)
> {
> DNSReq *r = (DNSReq *)arg;
> DNSReq *newr;
> @@ -290,7 +295,7 @@
> }
>
>
> -void unrealdns_cb_nametoip_verify(void *arg, int status, struct hostent *he)
> +void unrealdns_cb_nametoip_verify(void *arg, int status, int timeouts, struct hostent *he)
> {
> DNSReq *r = (DNSReq *)arg;
> aClient *acptr = r->cptr;
> @@ -363,7 +368,7 @@
> unrealdns_freeandremovereq(r);
> }
>
> -void unrealdns_cb_nametoip_link(void *arg, int status, struct hostent *he)
> +void unrealdns_cb_nametoip_link(void *arg, int status, int timeouts, struct hostent *he)
> {
> DNSReq *r = (DNSReq *)arg;
> int n;
> @@ -390,9 +395,11 @@
> /* fatal error while resolving */
> sendto_realops("Unable to resolve hostname '%s', when trying to connect to server %s.",
> r->name, r->linkblock->servername);
> + r->linkblock->refcount--;
> unrealdns_freeandremovereq(r);
> return;
> }
> + r->linkblock->refcount--;
>
> #ifdef INET6
> if (((he->h_length != 4) && (he->h_length != 16)) || !he->h_addr_list[0])
> @@ -715,21 +722,34 @@
> } else
> if (*param == 'i') /* INFORMATION */
> {
> - struct ares_config_info inf;
> + struct ares_options inf;
> int i;
> + int optmask;
>
> - ares_get_config(&inf, resolver_channel);
> + ares_save_options(resolver_channel, &inf, &optmask);
>
> sendtxtnumeric(sptr, "****** DNS Configuration Information ******");
> sendtxtnumeric(sptr, " c-ares version: %s",ares_version(NULL));
> - sendtxtnumeric(sptr, " timeout: %d", inf.timeout);
> - sendtxtnumeric(sptr, " tries: %d", inf.tries);
> - sendtxtnumeric(sptr, " # of servers: %d", inf.numservers);
> - for (i = 0; i < inf.numservers; i++)
> - sendtxtnumeric(sptr, " server #%d: %s", i+1, inf.servers[i] ? inf.servers[i] : "[???]");
> -
> - /* TODO: free or get memleak ! */
> +
> + if(optmask & ARES_OPT_TIMEOUTMS)
> + sendtxtnumeric(sptr, " timeout: %d", inf.timeout);
> + if(optmask & ARES_OPT_TRIES)
> + sendtxtnumeric(sptr, " tries: %d", inf.tries);
> + if(optmask & ARES_OPT_SERVERS)
> + {
> + sendtxtnumeric(sptr, " # of servers: %d", inf.nservers);
> + for (i = 0; i < inf.nservers; i++)
> + sendtxtnumeric(sptr, " server #%d: %s", i+1, inet_ntoa(inf.servers[i]));
> + }
> + if(optmask & ARES_OPT_DOMAINS)
> + {
> + sendtxtnumeric(sptr, " # of search domains: %d", inf.ndomains);
> + for (i = 0; i < inf.ndomains; i++)
> + sendtxtnumeric(sptr, " domain #%d: %s", i+1, inf.domains[i]);
> + }
> sendtxtnumeric(sptr, "****** End of DNS Configuration Info ******");
> +
> + ares_destroy_options(&inf);
> } else /* STATISTICS */
> {
> sendtxtnumeric(sptr, "DNS CACHE Stats:");
>
>
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