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codeql/python/ql/lib/semmle/python/security/dataflow/LdapInjectionCustomizations.qll
2024-09-26 11:44:24 +02:00

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/**
* Provides default sources, sinks and sanitizers for detecting
* "ldap injection"
* vulnerabilities, as well as extension points for adding your own.
*/
private import python
private import semmle.python.dataflow.new.DataFlow
private import semmle.python.Concepts
private import semmle.python.dataflow.new.RemoteFlowSources
private import semmle.python.dataflow.new.BarrierGuards
/**
* Provides default sources, sinks and sanitizers for detecting
* "ldap injection"
* vulnerabilities, as well as extension points for adding your own.
*/
module LdapInjection {
/**
* A data flow source for "ldap injection" vulnerabilities.
*/
abstract class Source extends DataFlow::Node { }
/**
* A data flow sink for "ldap injection" vulnerabilities.
*/
abstract class DnSink extends DataFlow::Node { }
/**
* A data flow sink for "ldap injection" vulnerabilities.
*/
abstract class FilterSink extends DataFlow::Node { }
/**
* A sanitizer for "ldap injection" vulnerabilities.
*/
abstract class DnSanitizer extends DataFlow::Node { }
/**
* A sanitizer for "ldap injection" vulnerabilities.
*/
abstract class FilterSanitizer extends DataFlow::Node { }
/**
* DEPRECATED: Use `ActiveThreatModelSource` from Concepts instead!
*/
deprecated class RemoteFlowSourceAsSource = ActiveThreatModelSourceAsSource;
/**
* An active threat-model source, considered as a flow source.
*/
private class ActiveThreatModelSourceAsSource extends Source, ActiveThreatModelSource { }
/**
* A logging operation, considered as a flow sink.
*/
class LdapExecutionAsDnSink extends DnSink {
LdapExecutionAsDnSink() { this = any(Ldap::LdapExecution ldap).getBaseDn() }
}
/**
* A logging operation, considered as a flow sink.
*/
class LdapExecutionAsFilterSink extends FilterSink {
LdapExecutionAsFilterSink() { this = any(Ldap::LdapExecution ldap).getFilter() }
}
/**
* A comparison with a constant, considered as a sanitizer-guard.
*/
class ConstCompareAsDnSanitizerGuard extends DnSanitizer, ConstCompareBarrier { }
/** DEPRECATED: Use ConstCompareAsDnSanitizerGuard instead. */
deprecated class StringConstCompareAsSanitizerGuard = ConstCompareAsDnSanitizerGuard;
/**
* A comparison with a constant, considered as a sanitizer-guard.
*/
class ConstCompareAsFilterSanitizerGuard extends FilterSanitizer, ConstCompareBarrier { }
/** DEPRECATED: Use ConstCompareAsFilterSanitizerGuard instead. */
deprecated class StringConstCompareAsFilterSanitizerGuard = ConstCompareAsFilterSanitizerGuard;
/**
* A call to replace line breaks functions as a sanitizer.
*/
class LdapDnEscapingSanitizer extends DnSanitizer, DataFlow::CallCfgNode {
LdapDnEscapingSanitizer() { this = any(LdapDnEscaping ldapDnEsc).getOutput() }
}
/**
* A call to replace line breaks functions as a sanitizer.
*/
class LdapFilterEscapingSanitizer extends FilterSanitizer, DataFlow::CallCfgNode {
LdapFilterEscapingSanitizer() { this = any(LdapFilterEscaping ldapDnEsc).getOutput() }
}
}