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OWASP Orizon Project XML
The Orizon check XML schema
A check contained in a safe coding recipe, follows this schema:
<check id=check identifier code severity=[info | warning | error] impact=[low | medium | high | critical | panic ] description=a short description for this check positive_fail=[yes | no] > [method_check | class_check | attribute_check | compare_check | variable_check | source_check] </check>
... some ideas ...
Security checks can be divided in:
- design_check
- keyword_check
- execution_check
Design check
Design checks are about source file design (how many class are contained in a source? how many methods? what is the scope of the method A?).
source code statistics
<design subj="stats" name=[loc | loC] verb=[lt | gt | le | ge | ne | eq | ratio] [ direct_object= [loc | loC] ] value=numeric value />
where:
- name is the statistics name and can be one of the following:
- loc: line of code
- loC: line of Comment
- verb is the boolean comparison operator between the subject and the value:
- lt: lesser than
- gt: grater than
- le: lesser or equal than
- ge: greater or equal than
- ne: not equal than
- eq: equal than
- ratio: indicates the ratio subj versus direct_object
<design subj=[class|field|attribute] name=the subject name when appliable verb=[contains|count|has_scope] value=the value being checked /> <design subj="class" verb=[extends|implements] value=the value being checked />
- keyword_check, about keyword specific checks
<keyword name=keyword name />
- execution_check: extra care must be taken for parameter in this desing...
<exec caller_class=a class name caller_method=a method name />
The Orizon Input file XML schema
Orizon 1.0 will bring 3 new subsystems in Jericho engine:
- local analisys (control flow graph)
- global analisys (call graph)
- taint propagation analisys (data graph)
Each of this subsystems will use a different input file provided by the translator, so each source file will be translated in 3 different XML files with different schema of course.
Local analisys
Global analisys
Taint propagation analisys
This subsystem is devoted to analyze variable content and how data is managed by the application.
Here is the schema to be used to describe a generic operation over a variable or a socket or a generic I/O operation.
<taint subj="[variable|socket|sql|file]" verb="[created|modified|deleted|read_data|write_data]" value"the value being used to fill the variable" />