diff options
author | Lennart Poettering <lennart@poettering.net> | 2005-11-20 00:56:17 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2005-11-20 00:56:17 +0000 |
commit | 7b69d622fa87217ab85b1dc4879396b65bf75702 (patch) | |
tree | 990cc477dc32dab0c55a30d207f4856ed4fbfe59 | |
parent | ef97e32ba2ed98b791af4504103b5f0378bb6b9b (diff) |
deal with multiple address assigned to one interface
git-svn-id: file:///home/lennart/svn/public/nss-mdns/trunk@88 0ee8848e-81ea-0310-a63a-f631d1a40d77
-rw-r--r-- | doc/README.html.in | 2 | ||||
-rw-r--r-- | src/query.c | 11 |
2 files changed, 10 insertions, 3 deletions
diff --git a/doc/README.html.in b/doc/README.html.in index 28e5402..e7d4443 100644 --- a/doc/README.html.in +++ b/doc/README.html.in @@ -46,7 +46,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</p> href="@PACKAGE_URL@nss-mdns-0.7.tar.gz">Version 0.7</a> released. Changes include: Portability patch for ARM from Philipp Zabel; make sure not to print any messages to STDERR; deal with OOM -situations properly; other cleanups</p> +situations properly; if multiple addresses are assigned to the same interface make sure to send a query packet only once; other cleanups</p> <div class="news-date">Sun Aug 21 2005: </div> <p class="news-text"><a href="@PACKAGE_URL@nss-mdns-0.6.tar.gz">Version 0.6</a> diff --git a/src/query.c b/src/query.c index 7a3e0bd..fe5d541 100644 --- a/src/query.c +++ b/src/query.c @@ -120,6 +120,7 @@ static int send_dns_packet(int fd, struct dns_packet *p) { struct ifreq ifreq[32]; struct ifconf ifconf; int n_sent = 0; + int last_index = -1; assert(fd >= 0 && p); assert(dns_packet_check_valid(p) >= 0); @@ -181,8 +182,14 @@ static int send_dns_packet(int fd, struct dns_packet *p) { if (ioctl(fd, SIOCGIFINDEX, &ifreq[i]) < 0) continue; /* See above why we ignore this error */ - - pkti->ipi_ifindex = ifreq[i].ifr_ifindex; + + /* Only send the the packet once per interface. We assume that + * multiple addresses assigned to the same interface follow + * immediately one after the other.*/ + if (last_index == ifreq[i].ifr_ifindex) + continue; + + last_index = pkti->ipi_ifindex = ifreq[i].ifr_ifindex; for (;;) { |