Hello,
Knowledge Base (KB) is some data which is stored in database,It is is
set by some dependencies
(most of the detect NVT's) NVTs by using function
'set_kb_item(name:"string", value:related value);'
Later if you need the KB value you can retrieve it with
"get_kb_item("string which is set by set kb item"))".
You can have a look at already created CentOS NVTs for example,
gb_CESA-2015_1083_abrt_centos7.nasl, In this case gather-package-list.nasl
To understated clearly how set_kb_item and get_kb_item works, First
have a look
at some simple NVTs for like, gb_google_chrome_detect_lin.nasl,
gb_google_chrome_mult_vuln02_jan15_lin.nasl
Thanks,
Antu Sanadi
On Wednesday 24 June 2015 01:00 AM, Brian Thompson wrote:
I'm new to writing *.nasl but I believe i can look-up information
stored in the knowledge base (KB) and based on the value, I can run
code. The problem is, I'm not sure what's in the KB. Is there a way
to "dump" (or look-up) the contents of the KB for a specific host so I
can get an idea of what I can use in my "if" block?
For example, if my host is running CentOS and has a specific RPM /
product installed I want to check the config file for that product to
make sure it's configured as expected and that the permissions are not
world-writable.
EX:
if(description){
....
}
include("host_details.inc");
if(host_runs("CentOS") == "yes"){
....code block...
}
exit(0);
Brian
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