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Propagate BPF_Program error message to script land

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This commit is contained in:
Tim Wojtulewicz 2022-05-23 17:36:26 -07:00
parent b30d5702f6
commit f8bc23d3e1
4 changed files with 18 additions and 16 deletions
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11
scripts/base/frameworks/packet-filter/main.zeek
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@ -281,10 +281,17 @@ function install(): bool
NOTICE([$note=Compile_Failure,
$msg=fmt("Compiling packet filter failed"),
$sub=tmp_filter]);
local error_string = fmt("Bad pcap filter '%s'", tmp_filter);
local pkt_src_error : string = Pcap::error();
if ( pkt_src_error != "no error" )
error_string = pkt_src_error;
if ( network_time() == 0.0 )
Reporter::fatal(fmt("Bad pcap filter '%s'", tmp_filter));
Reporter::fatal(error_string);
else
Reporter::warning(fmt("Bad pcap filter '%s'", tmp_filter));
Reporter::warning(error_string);
}
local diff = current_time()-ts;
if ( diff > max_filter_compile_time )