fb9911a9bb
Allow zipfuse to signal to microdroid_manager via property when it is ready. Bug: 243513572 Test: atest MicrodroidTests (locally & via acloud) Change-Id: Ifcf3d0924faa61ce87124a5ac55bd6a2b193cd99
53 lines
1.9 KiB
Text
53 lines
1.9 KiB
Text
# zipfuse is a FUSE daemon running in the microdroid. It mounts
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# /dev/block/by-name/microdroid-apk whose content is from an apk file on
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# /mnt/apk so that the entries in the apk file are seen as regular files. See
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# packages/modules/Virtualization/zipfuse.
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type zipfuse, domain, coredomain;
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type zipfuse_exec, exec_type, file_type, system_file_type;
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# zipfuse is using bootstrap bionic
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use_bootstrap_libs(zipfuse)
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# allow basic rules to implement FUSE
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allow zipfuse fuse_device:chr_file rw_file_perms;
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allow zipfuse self:global_capability_class_set sys_admin;
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# allow access to /dev/vd* block device files and also access to the symlinks
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# /dev/block/by-name/*
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allow zipfuse block_device:dir r_dir_perms;
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allow zipfuse block_device:lnk_file r_file_perms;
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# /dev/block/by-name/microdroid-apk is mapped to /dev/block/dm-*
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allow zipfuse dm_device:blk_file r_file_perms;
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# allow mounting on /mnt/apk
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allow zipfuse tmpfs:dir mounton;
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# allow mounting with fscontext=u:object_r:zipfusefs:s0
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type zipfusefs, fs_type, contextmount_type;
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allow zipfuse fuse:filesystem relabelfrom;
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allow zipfuse zipfusefs:filesystem { mount relabelfrom relabelto };
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# allow mounting with context=u:object_r:system_file:s0 so that files provided
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# by zipfuse are treated the same as the other files in /system or /apex
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allow system_file zipfusefs:filesystem associate;
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# allow zipfuse to log to the kernel
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allow zipfuse kmsg_device:chr_file w_file_perms;
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# allow zipfuse to handle extra apks
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r_dir_file(zipfuse, extra_apk_file)
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allow zipfuse extra_apk_file:dir mounton;
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# zipfuse is forked from microdroid_manager
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allow zipfuse microdroid_manager:fd use;
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# allow signalling when the mount is ready
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set_prop(zipfuse, microdroid_manager_zipfuse_prop)
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# Only microdroid_manager can run zipfuse
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neverallow { domain -microdroid_manager } zipfuse:process { transition dyntransition };
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# only zipfuse can mount on extra_apk_file
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neverallow { domain -zipfuse } extra_apk_file:dir mounton;
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