Nmap Development mailing list archives
Re: "dnet: Failed to open device" errors on AIX, as root
From: Ben Lentz <ben.lentz () gmail com>
Date: Sat, 8 Dec 2012 11:43:43 -0500
It might help if you can try to compile and run this example code from IBM. If its bind works, but that of eth-ndd.c doesn't, then we can identify what the important differences are. http://pic.dhe.ibm.com/infocenter/aix/v6r1/topic/com.ibm.aix.progcomm/doc/progcomc/skt_sndother_ex.htm David Fifield
I was able to compile the "Sending Packets Over Ethernet Example Program" and I was able to get it to run (I'm not totally clear on what it's supposed to do) against both my local MAC address and the MAC address of another system on the same network (10.0.17.0/24) so long as I specified the ethernet type as 0x0, and not 0x800. As with the problem that Peter reported, if 0x800 is used on AIX, it gives the bind EEXIST error. $ sudo ./sample en2 7e:ef:bb:08:f1:0c 0x800 10 10 src addr = 7EEFBB08F10C dst addr = 7EEFBB08F10C Ethertype: 800 Count: 10 Size: 60 bind: File exists $ sudo ./sample en2 7e:ef:bb:08:f1:0c 0x0 10 10 src addr = 7EEFBB08F10C dst addr = 7EEFBB08F10C Ethertype: 0 Count: 10 Size: 60 $ sudo ./sample en2 9e:8b:f7:e6:00:0b 0x0 10 10 src addr = 7EEFBB08F10C dst addr = 9E8BF7E6000B Ethertype: 0 Count: 10 Size: 60 If I update libdnet-stripped/src/eth-ndd.c as follows: $ /opt/local/diffutils/bin/diff -u libdnet-stripped/src/eth-ndd.c.orig libdnet-stripped/src/eth-ndd.c --- libdnet-stripped/src/eth-ndd.c.orig 2012-12-08 11:41:06.000000000 -0500 +++ libdnet-stripped/src/eth-ndd.c 2012-12-08 11:41:29.000000000 -0500 @@ -42,9 +42,9 @@ sa.sndd_8022_family = AF_NDD; sa.sndd_8022_len = sizeof(sa); sa.sndd_8022_filtertype = NS_ETHERTYPE; - sa.sndd_8022_ethertype = ETH_TYPE_IP; + sa.sndd_8022_ethertype = 0; sa.sndd_8022_filterlen = sizeof(struct ns_8022); - strlcpy(sa.sndd_8022_nddname, device, sizeof(sa.sndd_8022_nddname)); + strlcpy(e->device, device, sizeof(e->device)); if (bind(e->fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) return (eth_close(e)); It results in the following error: $ sudo /opt/local/nmap/bin/nmap -sS 10.0.17.1 Starting Nmap 6.01 ( http://nmap.org ) at 2012-12-08 11:26 EST WARNING: eth_send of ARP packet returned -1 rather than expected 42 (errno=19: No such device) WARNING: eth_send of ARP packet returned -1 rather than expected 42 (errno=19: No such device) Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn Nmap done: 1 IP address (0 hosts up) scanned in 0.46 seconds Thank you for any help you can provide! _______________________________________________ Sent through the dev mailing list http://nmap.org/mailman/listinfo/dev Archived at http://seclists.org/nmap-dev/
Current thread:
- "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 10)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 11)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 12)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 21)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 22)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 22)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 23)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 23)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Nov 12)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Nov 11)
- <Possible follow-ups>
- "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Dec 07)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 08)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Dec 08)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 10)
- Re: "dnet: Failed to open device" errors on AIX, as root Ben Lentz (Dec 10)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 10)
- Re: "dnet: Failed to open device" errors on AIX, as root David Fifield (Dec 08)