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This PR is similar to my other PRs for [Python](#8595) and [Golang](github/codeql-go#709). This PR aims to detect instances were an initiated PAM Transaction invokes the `pam_authenticate` method but does not invoke a call to the pam_acct_mgmt` method. This is bad as a call to `pam_authenticate` only verifies the users credentials. It does not check if the user account is still is a valid state. If only a call to `pam_authenticate` is used to verify the user, a user with an expired account password would still be able to login. This can be prevented by calling the `pam_acct_mgmt` function after a `pam_authenticate` function.
geoffw0
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This query looks great. I appreciate the effort you've gone to providing tests, documentation and example code to support it.
A couple of real-world results: https://lgtm.com/query/6091759195696304116/
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ghost
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geoffw0
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The failing checks are trivial - you need to correct the file names in the .qhelp and run the auto-formatter on the .ql file (let me know if you don't know how to do that).
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@geoffw0 Changes done! |
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Looks like this should've been merged. |
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Thanks again for the contribution! |
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@geoffw0 Thanks for the quick turnaround. |
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This PR is similar to my other PRs for
Python and
Golang.
This PR aims to detect instances were an initiated PAM Transaction invokes the
pam_authenticatemethod but does not call thepam_acct_mgmtmethod. This is bad as a call topam_authenticateonly verifies the users credentials. It does not check if the user account is still is a valid state.If only a call to
pam_authenticateis used to verify the user, a user with an expired account password would still be able to login. This can be prevented by calling thepam_acct_mgmtfunction after apam_authenticatefunction.