dns/nss_mdns: getaddrinfo() doesn't return IPv6 address on
getaddrinfo()
Ashish Shukla आशीष शुक्ल
wahjava.ml at gmail.com
Sat Apr 26 21:10:15 UTC 2008
Hi,
Whenever I execute getaddrinfo() function from libc with a 'hostname.local'
address as an argument and AF_INET6 as ai.ai_family, I get an IPv4
address, even when 'avahi-resolve-host-name -6 hostname.local' returns
an IPv6 address.
I've written a test program getaddrinfo.c[1] which does a
getaddrinfo() function call and prints the result on the terminal.
Following is the patch to port dns/nss_mdns which will fix this issue:
---->8---->8-----
diff -urN /usr/ports/dns/nss_mdns/Makefile nss_mdns/Makefile
--- /usr/ports/dns/nss_mdns/Makefile 2008-01-03 17:53:37.000000000 +0530
+++ nss_mdns/Makefile 2008-04-27 01:22:10.000000000 +0530
@@ -7,7 +7,7 @@
PORTNAME= nss_mdns
PORTVERSION= 0.9
-PORTREVISION= 5
+PORTREVISION= 6
CATEGORIES= dns ipv6
MASTER_SITES= http://0pointer.de/lennart/projects/nss-mdns/
DISTNAME= nss-mdns-${PORTVERSION}
diff -urN /usr/ports/dns/nss_mdns/files/patch-src__bsdnss.c nss_mdns/files/patch-src__bsdnss.c
--- /usr/ports/dns/nss_mdns/files/patch-src__bsdnss.c 2007-04-12 16:13:15.000000000 +0530
+++ nss_mdns/files/patch-src__bsdnss.c 2008-04-27 01:19:18.000000000 +0530
@@ -197,7 +197,7 @@
+ * 2. Map hostent to addrinfo.
+ * 3. Hand-off buffer to libc.
+ */
-+ status = _nss_mdns_gethostbyname_r(name, hp, buffer, mbuflen,
++ status = _nss_mdns_gethostbyname2_r(name, pai->ai_family, hp, buffer, mbuflen,
+ &_errno, &_h_errno);
+ status = __nss_compat_result(status, _errno);
+
----8<----8<----
If required I'll submit a PR for this.
References:
[1] - http://pastebin.com/f20d45049
Thanks
--
Ashish Shukla आशीष शुक्ल http://wahjava.wordpress.com/
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