Dustin J. Mitchell wrote at 15:12 -0400 on May 15, 2008:
> On #amanda, I've been working with Scott Bender, who's trying to build
> Amanda-2.6.0 on HP/UX 11.11. He's gotten all of the prereqs
> installed, but is having some trouble with network communication.
>
> We've boiled the problem down to recvfrom(..) not returning an address
> for incoming UDP packets. I built the attached C "server" to
> duplicate this; the perl script acts as a client. Scott runs the C
> app on the HP/UX machine, and then runs
> perl client.pl $HPUX_IP
> on another box. Here's what he sees:
>
> (sockaddr_in *)800003ffff7f2fa0 = { 2, 1234, 0.0.0.0 }
> Got 2 bytes; return addrlen is 16; sizeof ss is 16
> (sockaddr_in *)800003ffff7f2fa0 = { 2, 1234, 0.0.0.0 }
>
> the second one of those *should* contain the IP address of the box on
> which client.pl was run, and a randomly assigned port. That port 1234
> still appears implies recvfrom() isn't overwriting the address at all.
> The manpage
> (http://www.informatik.uni-frankfurt.de/doc/man/hpux/recv.2.html)
> doesn't mention anything of the sort.
>
> At this point, I'm pretty much stumped. Can you help out with any of
> - thoughts on what I'm doing wrong here
> - pointers to an HP/UX forum or mailing list where I could ask this question
> - an HP/UX box I can play around on for a little while
--- 36203.c 2008-05-15 14:26:51.000000000 -0600
+++ 36203.c.new 2008-05-15 14:26:59.000000000 -0600
@@ -39,7 +39,7 @@
port = SS_GET_PORT(sa);
{
- inet_ntop(AF_INET, &((struct sockaddr_in *)sa)->sin_addr, ipstr,
+ inet_ntop(AF_INET, &((struct sockaddr_in *)sa)->sin_addr.s_addr, ipstr,
sizeof(ipstr));
printf("(sockaddr_in *)%p = { %d, %d, %s }\n",
sa,
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