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fix(query): check for invalid parameters of substr function.

This commit is contained in:
Haojun Liao 2022-05-25 23:09:03 +08:00
parent 3a21c690ee
commit e5bb56752a
1 changed files with 19 additions and 6 deletions
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25
source/libs/function/src/builtins.c
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@ -745,19 +745,32 @@ static int32_t translateSubstr(SFunctionNode* pFunc, char* pErrBuf, int32_t len)
return invaildFuncParaNumErrMsg(pErrBuf, len, pFunc->functionName);
}
SExprNode* pPara1 = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 0);
uint8_t para2Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
if (!IS_VAR_DATA_TYPE(pPara1->resType.type) || !IS_INTEGER_TYPE(para2Type)) {
SExprNode* pPara0 = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 0);
SExprNode* p1 = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 1);
uint8_t para1Type = p1->resType.type;
if (!IS_VAR_DATA_TYPE(pPara0->resType.type) || !IS_INTEGER_TYPE(para1Type)) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
if (((SValueNode*)p1)->datum.i < 1) {
return invaildFuncParaValueErrMsg(pErrBuf, len, pFunc->functionName);
}
if (3 == numOfParams) {
uint8_t para3Type = ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 1))->resType.type;
if (!IS_INTEGER_TYPE(para3Type)) {
SExprNode* p2 = (SExprNode*)nodesListGetNode(pFunc->pParameterList, 2);
uint8_t para2Type = p2->resType.type;
if (!IS_INTEGER_TYPE(para2Type)) {
return invaildFuncParaTypeErrMsg(pErrBuf, len, pFunc->functionName);
}
int64_t v = ((SValueNode*)p1)->datum.i;
if (v < 0 || v > INT16_MAX) {
return invaildFuncParaValueErrMsg(pErrBuf, len, pFunc->functionName);
}
}
pFunc->node.resType = (SDataType){.bytes = pPara1->resType.bytes, .type = pPara1->resType.type};
pFunc->node.resType = (SDataType){.bytes = pPara0->resType.bytes, .type = pPara0->resType.type};
return TSDB_CODE_SUCCESS;
}