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Code Issues Releases Activity

Limit nesting depth

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This commit is contained in:
Jordan Liggitt
2019-10-08 11:17:01 -04:00
parent 819acad769
commit eec24895fe
7 changed files with 361 additions and 6 deletions
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10
iter_array.go
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@ -28,26 +28,32 @@ func (iter *Iterator) ReadArray() (ret bool) {
func (iter *Iterator) ReadArrayCB(callback func(*Iterator) bool) (ret bool) {
c := iter.nextToken()
if c == '[' {
if !iter.incrementDepth() {
return false
}
c = iter.nextToken()
if c != ']' {
iter.unreadByte()
if !callback(iter) {
iter.decrementDepth()
return false
}
c = iter.nextToken()
for c == ',' {
if !callback(iter) {
iter.decrementDepth()
return false
}
c = iter.nextToken()
}
if c != ']' {
iter.ReportError("ReadArrayCB", "expect ] in the end, but found "+string([]byte{c}))
iter.decrementDepth()
return false
}
return true
return iter.decrementDepth()
}
return true
return iter.decrementDepth()
}
if c == 'n' {
iter.skipThreeBytes('u', 'l', 'l')