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Michael Hohn
2024-12-04 12:10:08 -08:00
committed by =Michael Hohn
parent 51f0343af5
commit 445dd2dd81
1 changed files with 29 additions and 28 deletions
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README.org
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@@ -123,7 +123,7 @@
#+END_SRC
* Build CodeQL Database
* NEXT Build CodeQL Database
To get started, build the codeql database (adjust paths to your setup).
The bash version
@@ -197,36 +197,20 @@
#+END_SRC
* TODO Optional: Multiple Builds
#+BEGIN_SRC sh
dotnet sln codeql-intro-csharp.sln list
dotnet build codeql-intro-csharp.sln
#+END_SRC
* TODO CodeQL for Devops and Administrators
- https://docs.github.com/en/code-security/codeql-cli/codeql-cli-manual
- https://github.com/hohn/codeql-visual-guides/blob/master/codeql-system.drawio.pdf
- https://htmlpreview.github.io/?https://github.com/hohn/codeql-cli-end-to-end/blob/master/doc/readme.html
- https://github.com/hohn/codeql-workshop-sql-injection-java
+ https://github.com/hohn/codeql-workshop-sql-injection-java/blob/master/src/README.org
- [[file:~/local/codeql-dataflow-II-cpp/README.org::*Prerequisites and setup instructions][Prerequisites and setup instructions]]
- picking queries via query suites
- /Users/hohn/local/codeql-workshops-staging/java/codeql-java-workshop-notes.md
- /Users/hohn/local/codeql-cli-end-to-end/doc/readme.md
- /Users/hohn/local/codeql-cli-end-to-end/sarif-cli/non-sarif-metadata/README.org
* TODO CodeQL for Query Writers
* CodeQL for Query Writers
** Identify the problem
=./add-user= is reading from =STDIN=, and writing to a database; looking at the code in
[[./add-user.c]] leads to
: count = read(STDIN_FILENO, buf, BUFSIZE - 1);
=./SqliDemo/bin/Debug/net9.0/SqliDemo= is reading from =STDIN=, and writing to
a database; looking at the code in
[[./SqliDemo/Injectable.cs]]
leads to
: Console.ReadLine()
for the read and
: rc = sqlite3_exec(db, query, NULL, 0, &zErrMsg);
: new SqliteCommand(query, connection)
for the write.
This problem is thus a dataflow problem; in codeql terminology we have
- a /source/ at the =read(STDIN_FILENO, buf, BUFSIZE - 1);=
- a /sink/ at the =sqlite3_exec(db, query, NULL, 0, &zErrMsg);=
This problem is thus a dataflow or taintflow problem; in codeql terminology we have
- a /source/ at the =Console.ReadLine()=
- a /sink/ at the =new SqliteCommand(query, connection)=
We write codeql to identify these two, and then connect them via
- a /dataflow configuration/ -- for this problem, the more general /taintflow
@@ -289,5 +273,22 @@
5. Try this with dataflow instead of taintflow, and notice that there are no
results.
* TODO CodeQL for Devops and Administrators
- https://docs.github.com/en/code-security/codeql-cli/codeql-cli-manual
- https://github.com/hohn/codeql-visual-guides/blob/master/codeql-system.drawio.pdf
- https://htmlpreview.github.io/?https://github.com/hohn/codeql-cli-end-to-end/blob/master/doc/readme.html
- https://github.com/hohn/codeql-workshop-sql-injection-java
+ https://github.com/hohn/codeql-workshop-sql-injection-java/blob/master/src/README.org
- [[file:~/local/codeql-dataflow-II-cpp/README.org::*Prerequisites and setup instructions][Prerequisites and setup instructions]]
- picking queries via query suites
- /Users/hohn/local/codeql-workshops-staging/java/codeql-java-workshop-notes.md
- /Users/hohn/local/codeql-cli-end-to-end/doc/readme.md
- /Users/hohn/local/codeql-cli-end-to-end/sarif-cli/non-sarif-metadata/README.org
* TODO Optional: Multiple Builds
#+BEGIN_SRC sh
dotnet sln codeql-intro-csharp.sln list
dotnet build codeql-intro-csharp.sln
#+END_SRC