Nmap Development mailing list archives
AIX woes
From: Peter O'Gorman <nmap-dev () mlists thewrittenword com>
Date: Wed, 8 Nov 2006 22:18:25 -0600
Hi, It seeems that when I "tested" nmap-4.03 on AIX, I was actually dreaming. It did not work at all. So we had a look at 4.20ALPHA11 and 4.11. We changed around a bunch of includes so that dnet.h gets included before netinet/ip.h (it does wonderful stuff like #define ip_len ip_ff.ip_flen) see the tcpip.h and nmap.h patches. Due to a similar issue, we had to rename the variables used as arguments for fill_ip_raw in tcpip.cc. These patches applied we got a successful build, but total failure to work, eth_open always fails. While we tried eth-bsd.c, eth-dlpi.c and eth-ndd.c with various patches, the eth-ndd.c method seemed most likely to work. The bind() call always fails with EEXIST "File Exists", which is a rather unusual error for bind(). When NS_ETHERTYPE is changed to NS_TAP, the bind() call succeeds, but unfortunately pcap_open_live then fails. We spent quite a while with this and could not get both pcap and libdnet to open the ethernet device at the same time. It may not be possible. So, at this point, giving up, we disabled the ARP ping check by setting directly_connected=0 for AIX in Target.cc. Would be very interested in better solutions to this. So with that, and eth_open hacked to not return failure whtn bind() fails, we get better results, but can not scan hosts outside the local subnet because route-bsd.c does not actually work on AIX. Turned out that AIX has getkerninfo(KINFO_RT_DUMP,...) which is the same as the sysctl on modern bsd, so we used that. If this is not the best way, please let us know. Also added $(CXXFLAGS) to the link rule, this is similar to the way automake generates rules. Patch attached. Thanks, Peter
Attachment:
nmap-4.20.diff
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- AIX woes Peter O'Gorman (Nov 08)