[avahi] malformed ARP in avahi-0.6.18 to avahi-0.6.20

[Yeung, Pauline]

I'm new to the lists, and I'm sure which lists should I report bugs.
 
I tested avahi-autoipd from release 0.6.18, 0.6.19 and 0.6.20 in two platforms, x86 running Linux 2.6.20-1.2962.fc6, and MIPS running linux 2.6.14.   In all 6 cases, the ARP packets are malformed when captured with "wireshark".
 
Here is the patch that fixed the problem.
 
--- avahi-0.6.20.orig/avahi-autoipd/main.c 2007-08-05 15:05:19.000000000 -0700
+++ avahi-0.6.20/avahi-autoipd/main.c 2007-08-05 15:05:40.000000000 -0700
@@ -510,7 +510,7 @@
     sa.sll_halen = ETHER_ADDRLEN;
     memset(sa.sll_addr, 0xFF, ETHER_ADDRLEN);
 
-    if (sendto(fd, packet, packet_len, 0, (struct sockaddr*) &sa, sizeof(sa)) < 0) {
+    if (sendto(fd, packet->ether_payload, packet_len, 0, (struct sockaddr*) &sa, sizeof(sa)) < 0) {
         daemon_log(LOG_ERR, "sendto() failed: %s", strerror(errno));
         return -1;
     }

Thanks
Pauline Yeung




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