Re: nmap errors on *BSDs (noted on NetBSD and MacOSX, so far)

[Fredrik Pettai <pettai () nordu net>]

On Mar 23, 2010, at 7:01 PM, David Fifield wrote:
> On Tue, Mar 23, 2010 at 06:55:30PM +0100, Fredrik Pettai wrote:
> > On Mar 23, 2010, at 5:57 PM, David Fifield wrote:
> > > On Tue, Mar 23, 2010 at 05:28:29PM +0100, Fredrik Pettai wrote:
> > > > I've noted two problems that has surfaced in between the release of
> > > > nmap
> > > > 5.00 (2009-07-15) -> 5.10BETA1 (2009-11-23).

> > > > The other, more problematic error (not present on Mac OS X  
> > > > AFAIK), is
> > > > then you run nmap as root on NetBSD, you get this error:
> > > >
> > > > # ./nmap -A ping.sunet.se
> > > >
> > > > Starting Nmap 5.10BETA1 ( http://nmap.org ) at 2010-03-23 16:35 CET
> > > > WARNING: Unable to find appropriate interface for system route to
> > > > 193.10.5.1
> > > > WARNING: Unable to find appropriate interface for system route to
> > > > 127.0.0.1
> > > > WARNING: Unable to find appropriate interface for system route to
> > > > 127.0.0.1
> > > > Target* nexthost(HostGroupState*, TargetGroup*, scan_lists*, int):
> > > > failed to determine route to ping.sunet.se (192.36.125.18)
> > > > QUITTING!
> > > >
> > > > However, running as a normal user, it works as expected.
> > >
> > > This is probably not an error related to NetBSD, but to the routing
> > > table on this particular host. Please send in the output of
> > > "nmap --iflist". Some bugs related to routing were fixed recently  
> > > and
> > > aren't yet in an official release, and this might be affecting you.
> >
> > I also compiled the SVN version (in pkgsrc on NetBSD), and it fails  
> > the
> > same way as before:
> >
> > bash-4.0# ./work/nmap-5.22/nmap --iflist
> >
> > Starting Nmap 5.21 ( http://nmap.org ) at 2010-03-23 18:52 CET
> > INTERFACES: NONE FOUND(!)
> > WARNING: Unable to find appropriate interface for system route to
> > 193.10.5.1
> > WARNING: Unable to find appropriate interface for system route to
> > 127.0.0.1
> > WARNING: Unable to find appropriate interface for system route to
> > 127.0.0.1
> > ROUTES: NONE FOUND(!)
>
> "INTERFACES: NONE FOUND(!)" is definitely the error here. That's not
> expected. Give me some time to think more about what might be causing
> it.

Btw. these are all new warnings I see during compilation from  
5.10BETA1 -> 5.21. (Current gives even more warnings.)
Maybe those can give hints to something?

Makefile:341: makefile.dep: No such file or directory
intf.c: In function 'intf_loop':
intf.c:733: warning: dereferencing 'void *' pointer
nbase_misc.c: In function 'sockaddr_storage_cmp':
nbase_misc.c:179: warning: control reaches end of non-void function
Makefile:80: makefile.dep: No such file or directory
Makefile:165: makefile.dep: No such file or directory
ncat_proxy.c: In function 'ncat_http_server':
ncat_proxy.c:163: warning: dereferencing type-punned pointer will  
break strict-a
liasing rules
ncat_ssl.c: In function 'setup_ssl_listen':
ncat_ssl.c:137: warning: assignment discards qualifiers from pointer  
target type
test/test-wildcard.c: In function 'test':
test/test-wildcard.c:159: warning: value computed is not used
test/test-wildcard.c: In function 'print_escaped':
test/test-wildcard.c:365: warning: array subscript has type 'char'
test/test-wildcard.c:365: warning: array subscript has type 'char'
output.cc: In function 'void printportoutput(Target*, PortList*)':
output.cc:601: warning: format '%ld' expects type 'long int', but  
argument 4 has
 type 'int'
nmap_dns.cc: In function 'void parse_resolvdotconf()':
nmap_dns.cc:950: warning: format '%u' expects type 'unsigned int', but  
argument
4 has type 'long unsigned int'

Re,
/P
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