Nmap Development: Re: nmap 3.81 crash on XP with pcap 3.01a

[Andreas Ericsson <ae () op5 se>]

Matthew Oelschlaeger wrote:
> Hiya,
>
>    Found weird crash bug in nmap 3.81 binaries and source  for windows 
> with nmap 3.01a.
I suppose you mean pcap 3.01a as in the subject. Fyodor stated that the 
recommended winpcap release is 3.04a. Would an upgrade take care of the 
problem for you?
>    It tries to reference pcap_lib_version in wpcap.dll.  However, there 
> isnt a pcap_lib_version in my wpcap.dll so it fails with
> ERROR_PROC_NOT_FOUND.
> nmap.exe:
> 045C15F:      GetProcAddress(0x390000, "pcap_lib_version") => 0
> 045C168:      GetLastError() => ERROR_PROC_NOT_FOUND
>
> Heres what i used to fix the problem. No idea if its correct though :p.
>
> <nmapsource>/mswin32/winip/winip.c @ LINE 314, FUNCTION winip_postopt_init
>
> //old
> //printf("***WinIP***  winpcap present, dynamic linked to: %s\n", 
> pcap_lib_version());
> //new
> printf("***WinIP***  winpcap present, dynamic linked to: %s\n", 
> PacketGetVersion());
I'm sure there is a reason for the change of functions called here. I 
must say that pcap_lib_version() is a much more intuitive and proper 
name to get the version than PacketGetVersion().
--
Andreas Ericsson                   andreas.ericsson () op5 se
OP5 AB                             www.op5.se
Lead Developer

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