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authorEmiliano Ciavatta2020-10-16 17:06:05 +0000
committerEmiliano Ciavatta2020-10-16 17:06:05 +0000
commit56f70a72196c777f248038bb2e2e4099e6e1367d (patch)
tree714ad5aed8698dfffbb472b3fa74909acb8cdead /rules_manager.go
parent6204c99e69d1707a79c5e56685b47310106c60b0 (diff)
parent79b8b2fa3e8563c986da8baa3a761f2d4f0c6f47 (diff)
Merge branch 'develop'
Diffstat (limited to 'rules_manager.go')
-rw-r--r--rules_manager.go60
1 files changed, 45 insertions, 15 deletions
diff --git a/rules_manager.go b/rules_manager.go
index a5dc7ce..5d6cded 100644
--- a/rules_manager.go
+++ b/rules_manager.go
@@ -1,3 +1,20 @@
+/*
+ * This file is part of caronte (https://github.com/eciavatta/caronte).
+ * Copyright (c) 2020 Emiliano Ciavatta.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
package main
import (
@@ -7,6 +24,7 @@ import (
"github.com/flier/gohs/hyperscan"
"github.com/go-playground/validator/v10"
log "github.com/sirupsen/logrus"
+ "sort"
"sync"
"time"
)
@@ -104,16 +122,22 @@ func LoadRulesManager(storage Storage, flagRegex string) (RulesManager, error) {
// if there are no rules in database (e.g. first run), set flagRegex as first rule
if len(rulesManager.rules) == 0 {
- if _, err := rulesManager.AddRule(context.Background(), Rule{
- Name: "flag",
- Color: "#E53935",
- Notes: "Mark connections where the flag is stolen",
+ _, _ = rulesManager.AddRule(context.Background(), Rule{
+ Name: "flag_out",
+ Color: "#e53935",
+ Notes: "Mark connections where the flags are stolen",
Patterns: []Pattern{
- {Regex: flagRegex, Direction: DirectionToClient},
+ {Regex: flagRegex, Direction: DirectionToClient, Flags: RegexFlags{Utf8Mode: true}},
},
- }); err != nil {
- return nil, err
- }
+ })
+ _, _ = rulesManager.AddRule(context.Background(), Rule{
+ Name: "flag_in",
+ Color: "#43A047",
+ Notes: "Mark connections where the flags are placed",
+ Patterns: []Pattern{
+ {Regex: flagRegex, Direction: DirectionToServer, Flags: RegexFlags{Utf8Mode: true}},
+ },
+ })
} else {
if err := rulesManager.generateDatabase(rules[len(rules)-1].ID); err != nil {
return nil, err
@@ -190,6 +214,10 @@ func (rm *rulesManagerImpl) GetRules() []Rule {
rules = append(rules, rule)
}
+ sort.Slice(rules, func(i, j int) bool {
+ return rules[i].ID.Timestamp().Before(rules[j].ID.Timestamp())
+ })
+
return rules
}
@@ -305,10 +333,10 @@ func (rm *rulesManagerImpl) validateAndAddRuleLocal(rule *Rule) error {
duplicatePatterns[regex] = true
}
- startId := len(rm.patterns)
+ startID := len(rm.patterns)
for id, pattern := range newPatterns {
rm.patterns = append(rm.patterns, pattern)
- rm.patternsIds[pattern.String()] = uint(startId + id)
+ rm.patternsIds[pattern.String()] = uint(startID + id)
}
rm.rules[rule.ID] = *rule
@@ -323,11 +351,13 @@ func (rm *rulesManagerImpl) generateDatabase(version RowID) error {
return err
}
- rm.databaseUpdated <- RulesDatabase{
- database: database,
- databaseSize: len(rm.patterns),
- version: version,
- }
+ go func() {
+ rm.databaseUpdated <- RulesDatabase{
+ database: database,
+ databaseSize: len(rm.patterns),
+ version: version,
+ }
+ }()
return nil
}