Mirror/zeek
1
0
Fork 0
mirror of https://github.com/zeek/zeek.git synced 2025-10-11 19:18:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Prefer explicit construction to coercion in record initialization

Browse source 
While we support initializing records via coercion from an expression
list, e.g.,

    local x: X = [$x1=1, $x2=2];

this can sometimes obscure the code to readers, e.g., when assigning to
value declared and typed elsewhere. The language runtime has a similar
overhead since instead of just constructing a known type it needs to
check at runtime that the coercion from the expression list is valid;
this can be slower than just writing the readible code in the first
place, see #4559.

With this patch we use explicit construction, e.g.,

    local x = X($x1=1, $x2=2);
This commit is contained in:
Benjamin Bannier 2025-07-10 09:42:44 +02:00 • committed by Christian Kreibich
parent 54f9e45597
commit d5fd29edcd
139 changed files with 786 additions and 788 deletions
Download patch file Download diff file Expand all files Collapse all files

36
scripts/base/frameworks/netcontrol/main.zeek
View file

@ -383,7 +383,7 @@ global rule_entities: table[Entity, RuleType] of Rule;
event zeek_init() &priority=5
{
Log::create_stream(NetControl::LOG, [$columns=Info, $ev=log_netcontrol, $path="netcontrol", $policy=log_policy]);
Log::create_stream(NetControl::LOG, Log::Stream($columns=Info, $ev=log_netcontrol, $path="netcontrol", $policy=log_policy));
}
function entity_to_info(info: Info, e: Entity)
@ -489,22 +489,22 @@ function rule_to_info(info: Info, r: Rule)
function log_msg(msg: string, p: PluginState)
{
Log::write(LOG, [$ts=network_time(), $category=MESSAGE, $msg=msg, $plugin=p$plugin$name(p)]);
Log::write(LOG, Info($ts=network_time(), $category=MESSAGE, $msg=msg, $plugin=p$plugin$name(p)));
}
function log_error(msg: string, p: PluginState)
{
Log::write(LOG, [$ts=network_time(), $category=ERROR, $msg=msg, $plugin=p$plugin$name(p)]);
Log::write(LOG, Info($ts=network_time(), $category=ERROR, $msg=msg, $plugin=p$plugin$name(p)));
}
function log_msg_no_plugin(msg: string)
{
Log::write(LOG, [$ts=network_time(), $category=MESSAGE, $msg=msg]);
Log::write(LOG, Info($ts=network_time(), $category=MESSAGE, $msg=msg));
}
function log_rule(r: Rule, cmd: string, state: InfoState, p: PluginState, msg: string &default="")
{
local info: Info = [$ts=network_time()];
local info = Info($ts=network_time());
info$category = RULE;
info$cmd = cmd;
info$state = state;
@ -519,14 +519,14 @@ function log_rule(r: Rule, cmd: string, state: InfoState, p: PluginState, msg: s
function log_rule_error(r: Rule, msg: string, p: PluginState)
{
local info: Info = [$ts=network_time(), $category=ERROR, $msg=msg, $plugin=p$plugin$name(p)];
local info = Info($ts=network_time(), $category=ERROR, $msg=msg, $plugin=p$plugin$name(p));
rule_to_info(info, r);
Log::write(LOG, info);
}
function log_rule_no_plugin(r: Rule, state: InfoState, msg: string)
{
local info: Info = [$ts=network_time()];
local info = Info($ts=network_time());
info$category = RULE;
info$state = state;
info$msg = msg;
@ -538,16 +538,16 @@ function log_rule_no_plugin(r: Rule, state: InfoState, msg: string)
function whitelist_address(a: addr, t: interval, location: string &default="") : string
{
local e: Entity = [$ty=ADDRESS, $ip=addr_to_subnet(a)];
local r: Rule = [$ty=WHITELIST, $priority=whitelist_priority, $target=FORWARD, $entity=e, $expire=t, $location=location];
local e = Entity($ty=ADDRESS, $ip=addr_to_subnet(a));
local r = Rule($ty=WHITELIST, $priority=whitelist_priority, $target=FORWARD, $entity=e, $expire=t, $location=location);
return add_rule(r);
}
function whitelist_subnet(s: subnet, t: interval, location: string &default="") : string
{
local e: Entity = [$ty=ADDRESS, $ip=s];
local r: Rule = [$ty=WHITELIST, $priority=whitelist_priority, $target=FORWARD, $entity=e, $expire=t, $location=location];
local e = Entity($ty=ADDRESS, $ip=s);
local r = Rule($ty=WHITELIST, $priority=whitelist_priority, $target=FORWARD, $entity=e, $expire=t, $location=location);
return add_rule(r);
}
@ -561,8 +561,8 @@ function redirect_flow(f: flow_id, out_port: count, t: interval, location: strin
$dst_h=addr_to_subnet(f$dst_h),
$dst_p=f$dst_p
);
local e: Entity = [$ty=FLOW, $flow=flow];
local r: Rule = [$ty=REDIRECT, $target=FORWARD, $entity=e, $expire=t, $location=location, $out_port=out_port];
local e = Entity($ty=FLOW, $flow=flow);
local r = Rule($ty=REDIRECT, $target=FORWARD, $entity=e, $expire=t, $location=location, $out_port=out_port);
return add_rule(r);
}
@ -570,19 +570,19 @@ function redirect_flow(f: flow_id, out_port: count, t: interval, location: strin
function quarantine_host(infected: addr, dns: addr, quarantine: addr, t: interval, location: string &default="") : vector of string
{
local orules: vector of string = vector();
local edrop: Entity = [$ty=FLOW, $flow=Flow($src_h=addr_to_subnet(infected))];
local rdrop: Rule = [$ty=DROP, $target=FORWARD, $entity=edrop, $expire=t, $location=location];
local edrop = Entity($ty=FLOW, $flow=Flow($src_h=addr_to_subnet(infected)));
local rdrop = Rule($ty=DROP, $target=FORWARD, $entity=edrop, $expire=t, $location=location);
orules += add_rule(rdrop);
local todnse: Entity = [$ty=FLOW, $flow=Flow($src_h=addr_to_subnet(infected), $dst_h=addr_to_subnet(dns), $dst_p=53/udp)];
local todnse = Entity($ty=FLOW, $flow=Flow($src_h=addr_to_subnet(infected), $dst_h=addr_to_subnet(dns), $dst_p=53/udp));
local todnsr = Rule($ty=MODIFY, $target=FORWARD, $entity=todnse, $expire=t, $location=location, $mod=FlowMod($dst_h=quarantine), $priority=+5);
orules += add_rule(todnsr);
local fromdnse: Entity = [$ty=FLOW, $flow=Flow($src_h=addr_to_subnet(dns), $src_p=53/udp, $dst_h=addr_to_subnet(infected))];
local fromdnse = Entity($ty=FLOW, $flow=Flow($src_h=addr_to_subnet(dns), $src_p=53/udp, $dst_h=addr_to_subnet(infected)));
local fromdnsr = Rule($ty=MODIFY, $target=FORWARD, $entity=fromdnse, $expire=t, $location=location, $mod=FlowMod($src_h=dns), $priority=+5);
orules += add_rule(fromdnsr);
local wle: Entity = [$ty=FLOW, $flow=Flow($src_h=addr_to_subnet(infected), $dst_h=addr_to_subnet(quarantine), $dst_p=80/tcp)];
local wle = Entity($ty=FLOW, $flow=Flow($src_h=addr_to_subnet(infected), $dst_h=addr_to_subnet(quarantine), $dst_p=80/tcp));
local wlr = Rule($ty=WHITELIST, $target=FORWARD, $entity=wle, $expire=t, $location=location, $priority=+5);
orules += add_rule(wlr);