34 lines
1.1 KiB
Plaintext
34 lines
1.1 KiB
Plaintext
Injects allow rules into binary SELinux kernel policies
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Injecting a rule:
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$ ./sepolicy-inject -s shell -t system -c file -p read -P sepolicy -o sepolicy2
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libsepol.policydb_index_others: security: 1 users, 2 roles, 518 types, 14 bools
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libsepol.policydb_index_others: security: 1 sens, 1024 cats
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libsepol.policydb_index_others: security: 84 classes, 4539 rules, 162 cond rules
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$ sesearch -A -s shell -t system -c file sepolicy
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Found 1 semantic av rules:
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allow appdomain domain : file { ioctl read getattr lock open } ;
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$ sesearch -A -s shell -t system -c file sepolicy2
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Found 2 semantic av rules:
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allow shell system : file read ;
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allow appdomain domain : file { ioctl read getattr lock open } ;
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Injecting a permissive domain:
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$ ./sepolicy-inject -Z shell -P sepolicy -o sepolicy2
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$ seinfo sepolicy | grep Permissive
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Permissives: 0 Polcap: 2
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$ seinfo sepolicy2 | grep Permissive
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Permissives: 1 Polcap: 2
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TODO:
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Insert multiple rules at the same time
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Remove rules
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Use attributes
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