installd: add fsverity ioctls
installd calls fsverity ioctls FS_IOC_ENABLE_VERITY and FS_IOC_SET_VERITY_MEASUREMENT on APKs in /data/app. Allow it. Addresses the following denials: type=1400 audit(0.0:13): avc: denied { ioctl } for comm="Binder:912_1" path="/data/app/com.android.vending-QZXfga9NZzHdv31lJzPTdQ==/base.apk" dev="dm-3" ino=43887 ioctlcmd=0x6686 scontext=u:r:installd:s0 tcontext=u:object_r:apk_data_file:s0 tclass=file permissive=0 type=1400 audit(0.0:40): avc: denied { ioctl } for comm="Binder:876_1" path="/data/app/com.android.settings-0xUwDcuYseP40L3WMUTGIw==/base.apk" dev="dm-0" ino=6855 ioctlcmd=0x6685 scontext=u:r:installd:s0 tcontext=u:object_r:apk_data_file:s0 tclass=file permissive=0 Test: policy compiles and device boots Bug: 30972906 Change-Id: Ifc88ae6909971c2f2bb24479f5e748fc7900447d
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@ -13,6 +13,12 @@ allow installd apk_data_file:dir { create_dir_perms relabelfrom };
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allow installd apk_data_file:file { create_file_perms relabelfrom link };
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allow installd apk_data_file:lnk_file { create r_file_perms unlink };
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# FS_IOC_ENABLE_VERITY and FS_IOC_SET_VERITY_MEASUREMENT ioctls
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# on APKs in /data/app, to support fsverity
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allowxperm installd apk_data_file:file ioctl {
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FS_IOC_ENABLE_VERITY FS_IOC_SET_VERITY_MEASUREMENT
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};
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allow installd asec_apk_file:file r_file_perms;
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allow installd apk_tmp_file:file { r_file_perms unlink };
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allow installd apk_tmp_file:dir { relabelfrom create_dir_perms };
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@ -801,12 +801,14 @@ define(`FS_IOC32_GETFLAGS', `0x80046601')
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define(`FS_IOC32_GETVERSION', `0x80047601')
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define(`FS_IOC32_SETFLAGS', `0x40046602')
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define(`FS_IOC32_SETVERSION', `0x40047602')
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define(`FS_IOC_ENABLE_VERITY', `0x6685')
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define(`FS_IOC_FIEMAP', `0xc020660b')
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define(`FS_IOC_GET_ENCRYPTION_POLICY', `0x400c6615')
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define(`FS_IOC_GET_ENCRYPTION_PWSALT', `0x40106614')
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define(`FS_IOC_GETFLAGS', `0x80086601')
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define(`FS_IOC_GETVERSION', `0x80087601')
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define(`FS_IOC_SET_ENCRYPTION_POLICY', `0x800c6613')
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define(`FS_IOC_SET_VERITY_MEASUREMENT', `0x6686')
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define(`FS_IOC_SETFLAGS', `0x40086602')
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define(`FS_IOC_SETVERSION', `0x40087602')
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define(`FSL_HV_IOCTL_DOORBELL', `0xc008af06')
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