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18 lines
1.0 KiB
18 lines
1.0 KiB
# The tzdatacheck command run by init. |
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type tzdatacheck, domain; |
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type tzdatacheck_exec, exec_type, file_type; |
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allow tzdatacheck zoneinfo_data_file:dir create_dir_perms; |
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allow tzdatacheck zoneinfo_data_file:file unlink; |
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# Below are strong assertion that only init, system_server and tzdatacheck |
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# can modify the /data time zone rules directories. This is to make it very |
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# clear that only these domains should modify the actual time zone rules data. |
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# The tzdatacheck binary itself may be executed by shell for tests but it must |
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# not be able to modify the real rules. |
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# If other users / binaries could modify time zone rules on device this might |
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# have negative implications for users (who may get incorrect local times) |
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# or break assumptions made / invalidate data held by the components actually |
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# responsible for updating time zone rules. |
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neverallow { domain -system_server -init -tzdatacheck } zoneinfo_data_file:file no_w_file_perms; |
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neverallow { domain -system_server -init -tzdatacheck } zoneinfo_data_file:dir no_w_dir_perms;
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