Skip to content

Fix convert processor conversion of string with leading zeros to integer #15557

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
adriansr merged 4 commits into from
Jan 15, 2020
+43 −2
Merged

Fix convert processor conversion of string with leading zeros to integer #15557

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
de47173
Fix convert processor conversion of string to integer
adriansr Jan 14, 2020
733b4e4
Add PR number and fix test
adriansr Jan 14, 2020
bb9436f
Not so-silly hex check
adriansr Jan 14, 2020
defd2b1
Comment
adriansr Jan 14, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions CHANGELOG.next.asciidoc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
- Fix bug with potential concurrent reads and writes from event.Meta map by Kafka output. {issue}14542[14542] {pull}14568[14568]
- Fix spooling to disk blocking infinitely if the lock file can not be acquired. {pull}15338[15338]
- Fix `metricbeat test output` with an ipv6 ES host in the output.hosts. {pull}15368[15368]
- Fix `convert` processor conversion of string to integer with leading zeros. {issue}15513[15513] {pull}15557[15557]

*Auditbeat*

Expand Down
25 changes: 23 additions & 2 deletions libbeat/processors/convert/convert.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,7 @@ func toString(value interface{}) (string, error) {
func toLong(value interface{}) (int64, error) {
switch v := value.(type) {
case string:
return strconv.ParseInt(v, 0, 64)
return strToInt(v, 64)
case int:
return int64(v), nil
case int8:
Expand Down Expand Up @@ -238,7 +238,7 @@ func toLong(value interface{}) (int64, error) {
func toInteger(value interface{}) (int32, error) {
switch v := value.(type) {
case string:
i, err := strconv.ParseInt(v, 0, 32)
i, err := strToInt(v, 32)
return int32(i), err
case int:
return int32(v), nil
Expand Down Expand Up @@ -403,3 +403,24 @@ func cloneValue(value interface{}) interface{} {
return value
}
}

// strToInt is a helper to interpret a string as either base 10 or base 16.
func strToInt(s string, bitSize int) (int64, error) {
base := 10
if hasHexPrefix(s) {
// strconv.ParseInt will accept the '0x' or '0X` prefix only when base is 0.
base = 0
}
return strconv.ParseInt(s, base, bitSize)
}

func hasHexPrefix(s string) bool {
if len(s) < 3 {
return false
}
a, b := s[0], s[1]
if a == '+' || a == '-' {
a, b = b, s[2]
}
return a == '0' && (b == 'x' || b == 'X')
}
19 changes: 19 additions & 0 deletions libbeat/processors/convert/convert_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -276,8 +276,16 @@ var testCases = []testCase{

{Long, nil, nil, true},
{Long, "x", nil, true},
{Long, "0x", nil, true},
{Long, "0b1", nil, true},
{Long, "1x2", nil, true},
{Long, true, nil, true},
{Long, "1", int64(1), false},
{Long, "-1", int64(-1), false},
{Long, "017", int64(17), false},
{Long, "08", int64(8), false},
{Long, "0X0A", int64(10), false},
{Long, "-0x12", int64(-18), false},
{Long, int(1), int64(1), false},
{Long, int8(1), int64(1), false},
{Long, int16(1), int64(1), false},
Expand All @@ -294,6 +302,17 @@ var testCases = []testCase{
{Integer, nil, nil, true},
{Integer, "x", nil, true},
{Integer, true, nil, true},
{Integer, "x", nil, true},
{Integer, "0x", nil, true},
{Integer, "0b1", nil, true},
{Integer, "1x2", nil, true},
{Integer, true, nil, true},
{Integer, "1", int32(1), false},
{Integer, "-1", int32(-1), false},
{Integer, "017", int32(17), false},
{Integer, "08", int32(8), false},
{Integer, "0X0A", int32(10), false},
{Integer, "-0x12", int32(-18), false},
{Integer, "1", int32(1), false},
{Integer, int(1), int32(1), false},
{Integer, int8(1), int32(1), false},
Expand Down