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75 lines
1.7 KiB
Text
75 lines
1.7 KiB
Text
---
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title: About the postgres_session Resource
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---
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# postgres_session
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Use the `postgres_session` InSpec audit resource to test SQL commands run against a PostgreSQL database.
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## Syntax
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A `postgres_session` resource block declares the username and password to use for the session, and then the command to be run:
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sql = postgres_session('username', 'password')
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describe sql.query('SELECT * FROM pg_shadow WHERE passwd IS NULL;') do
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its('output') { should eq('') }
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end
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where
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* `sql = postgres_session` declares a username and password with permission to run the query
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* `sql.query('')` contains the query to be run
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* `its('output') { should eq('') }` compares the results of the query against the expected result in the test
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## Matchers
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This InSpec audit resource has the following matchers:
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### be
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<%= partial "/shared/matcher_be" %>
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### cmp
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<%= partial "/shared/matcher_cmp" %>
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### eq
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<%= partial "/shared/matcher_eq" %>
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### include
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<%= partial "/shared/matcher_include" %>
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### match
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<%= partial "/shared/matcher_match" %>
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### output
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The `output` matcher tests the results of the query:
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its('output') { should eq(/^0/) }
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## Examples
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The following examples show how to use this InSpec audit resource.
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### Test the PostgreSQL shadow password
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sql = postgres_session('my_user', 'password')
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describe sql.query('SELECT * FROM pg_shadow WHERE passwd IS NULL;') do
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its('output') { should eq('') }
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end
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### Test for risky database entries
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describe postgres_session('my_user', 'password').query('SELECT count (*)
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FROM pg_language
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WHERE lanpltrusted = \'f\'
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AND lanname!=\'internal\'
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AND lanname!=\'c\';') do
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its('output') { should eq '0' }
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end
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