chg: [sshd] fix #1 panic on white space / empty user
parent
6746f5ede5
commit
587d418a1a
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@ -40,6 +40,18 @@ var expected = map[int]map[string]string{
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"username": "a.min",
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"src": "185.56.8.191",
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},
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5: map[string]string{
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"date": "Jan 22 11:29:16",
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"host": "sigmund",
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"username": " ",
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"src": "185.56.8.191",
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},
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6: map[string]string{
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"date": "Jan 22 11:29:16",
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"host": "sigmund",
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"username": "",
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"src": "185.56.8.191",
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},
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}
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func TestSshdParser(t *testing.T) {
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@ -53,7 +65,7 @@ func TestSshdParser(t *testing.T) {
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scanner := bufio.NewScanner(f)
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c := 0
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for scanner.Scan() {
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re := regexp.MustCompile(`^(?P<date>[[:alpha:]]{3}\s\d{2}\s\d{2}:\d{2}:\d{2}) (?P<host>[^ ]+) sshd\[[[:alnum:]]+\]: Invalid user (?P<username>[^ ]+) from (?P<src>.*$)`)
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re := regexp.MustCompile(`^(?P<date>[[:alpha:]]{3}\s\d{2}\s\d{2}:\d{2}:\d{2}) (?P<host>[^ ]+) sshd\[[[:alnum:]]+\]: Invalid user (?P<username>.*) from (?P<src>.*$)`)
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n1 := re.SubexpNames()
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r2 := re.FindAllStringSubmatch(scanner.Text(), -1)[0]
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@ -33,7 +33,7 @@ func (s *SshdParser) Set(rconn1 *redis.Conn, rconn2 *redis.Conn) {
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// Parse parses a line of sshd log
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func (s *SshdParser) Parse(logline string) error {
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r := *s.r1
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re := regexp.MustCompile(`^(?P<date>[[:alpha:]]{3}\s\d{2}\s\d{2}:\d{2}:\d{2}) (?P<host>[^ ]+) sshd\[[[:alnum:]]+\]: Invalid user (?P<username>[^ ]+) from (?P<src>.*$)`)
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re := regexp.MustCompile(`^(?P<date>[[:alpha:]]{3}\s\d{2}\s\d{2}:\d{2}:\d{2}) (?P<host>[^ ]+) sshd\[[[:alnum:]]+\]: Invalid user (?P<username>.*) from (?P<src>.*$)`)
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n1 := re.SubexpNames()
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r2 := re.FindAllStringSubmatch(logline, -1)[0]
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@ -3,3 +3,5 @@ Jan 22 11:37:19 si.mund sshd[26143]: Invalid user gestion from 159.89.153.54
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Jan 22 11:34:46 sigmund sshd[26125]: Invalid user atpco from 177.152.124.21
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Jan 22 11:33:07 sigmund sshd[26109]: Invalid user ki from 49.233.183.158
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Jan 22 11:29:16 sigmund sshd[26091]: Invalid user a.min from 185.56.8.191
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Jan 22 11:29:16 sigmund sshd[26091]: Invalid user from 185.56.8.191
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Jan 22 11:29:16 sigmund sshd[26091]: Invalid user from 185.56.8.191
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