[Bro] Patch for 1.3? Was: Type conversion and table initialization
Vern Paxson
vern at icir.org
Thu Jul 12 04:01:47 PDT 2007
> Would it be possible to get this added in before the 1.3 release?
Please try the appended and let me know if it works as you need.
Vern
Index: src/bro.bif
===================================================================
--- src/bro.bif (revision 4618)
+++ src/bro.bif (working copy)
@@ -496,6 +496,23 @@
return ret;
%}
+# Interprets the first 4 bytes of 'b' as an IPv4 address in network order.
+function raw_bytes_to_v4_addr%(b: string%): addr
+ %{
+ uint32 a = 0;
+
+ if ( b->Len() < 4 )
+ builtin_run_time("too short a string as input to raw_bytes_to_v4_addr()");
+
+ else
+ {
+ const u_char* bp = b->Bytes();
+ a = (bp[0] << 24) | (bp[1] << 16) | (bp[2] << 8) | bp[3];
+ }
+
+ return new AddrVal(a);
+ %}
+
function to_net%(a: addr%): net
%{
#ifdef BROv6
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