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Minor bug fix for Microsoft Access case expressions (like --common-tables) in UNION query SQL injection

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This commit is contained in:
Bernardo Damele 2011-07-08 10:19:01 +00:00
parent 02bfd05b20
commit b5dd4d4a63
3 changed files with 6 additions and 6 deletions
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8
lib/core/agent.py
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@ -283,7 +283,7 @@ class Agent:
if Backend.isDbms(DBMS.SQLITE):
return field
if field.startswith("(CASE"):
if field.startswith("(CASE") or field.startswith("(IIF"):
nulledCastedField = field
else:
nulledCastedField = (queries[Backend.getIdentifiedDbms()].cast.query % field) if not conf.noCast else field
@ -327,7 +327,7 @@ class Agent:
if not Backend.getDbms():
return fields
if fields.startswith("(CASE") or fields.startswith("SUBSTR") or fields.startswith("MID("):
if fields.startswith("(CASE") or fields.startswith("(IIF") or fields.startswith("SUBSTR") or fields.startswith("MID("):
nulledCastedConcatFields = fields
else:
fields = fields.replace(", ", ",")
@ -598,7 +598,7 @@ class Agent:
inbandQuery += query[conditionIndex:]
if Backend.getIdentifiedDbms() in FROM_TABLE:
if " FROM " not in inbandQuery or "(CASE " in inbandQuery:
if " FROM " not in inbandQuery or "(CASE " in inbandQuery or "(IIF" in inbandQuery:
inbandQuery += FROM_TABLE[Backend.getIdentifiedDbms()]
if intoRegExp:
@ -748,7 +748,7 @@ class Agent:
if Backend.getIdentifiedDbms() is not None and hasattr(queries[Backend.getIdentifiedDbms()], "case"):
caseExpression = queries[Backend.getIdentifiedDbms()].case.query % expression
if Backend.getIdentifiedDbms() in FROM_TABLE and not caseExpression.upper().endswith(FROM_TABLE[Backend.getIdentifiedDbms()]):
if "(IIF" not in caseExpression and Backend.getIdentifiedDbms() in FROM_TABLE and not caseExpression.upper().endswith(FROM_TABLE[Backend.getIdentifiedDbms()]):
caseExpression += FROM_TABLE[Backend.getIdentifiedDbms()]
return caseExpression